diff --git a/Documentation/target/tcm_mod_builder.py b/Documentation/target/tcm_mod_builder.py
index 6085e1f19c9d59fa49b5a3d4d369da6426ae526e..949de191fcdc1939c9b160eb7a809afcdbc847af 100755
--- a/Documentation/target/tcm_mod_builder.py
+++ b/Documentation/target/tcm_mod_builder.py
@@ -50,15 +50,6 @@ def tcm_mod_build_FC_include(fabric_mod_dir_var, fabric_mod_name):
buf = "#define " + fabric_mod_name.upper() + "_VERSION \"v0.1\"\n"
buf += "#define " + fabric_mod_name.upper() + "_NAMELEN 32\n"
buf += "\n"
- buf += "struct " + fabric_mod_name + "_nacl {\n"
- buf += " /* Binary World Wide unique Port Name for FC Initiator Nport */\n"
- buf += " u64 nport_wwpn;\n"
- buf += " /* ASCII formatted WWPN for FC Initiator Nport */\n"
- buf += " char nport_name[" + fabric_mod_name.upper() + "_NAMELEN];\n"
- buf += " /* Returned by " + fabric_mod_name + "_make_nodeacl() */\n"
- buf += " struct se_node_acl se_node_acl;\n"
- buf += "};\n"
- buf += "\n"
buf += "struct " + fabric_mod_name + "_tpg {\n"
buf += " /* FC lport target portal group tag for TCM */\n"
buf += " u16 lport_tpgt;\n"
@@ -69,8 +60,6 @@ def tcm_mod_build_FC_include(fabric_mod_dir_var, fabric_mod_name):
buf += "};\n"
buf += "\n"
buf += "struct " + fabric_mod_name + "_lport {\n"
- buf += " /* SCSI protocol the lport is providing */\n"
- buf += " u8 lport_proto_id;\n"
buf += " /* Binary World Wide unique Port Name for FC Target Lport */\n"
buf += " u64 lport_wwpn;\n"
buf += " /* ASCII formatted WWPN for FC Target Lport */\n"
@@ -105,14 +94,6 @@ def tcm_mod_build_SAS_include(fabric_mod_dir_var, fabric_mod_name):
buf = "#define " + fabric_mod_name.upper() + "_VERSION \"v0.1\"\n"
buf += "#define " + fabric_mod_name.upper() + "_NAMELEN 32\n"
buf += "\n"
- buf += "struct " + fabric_mod_name + "_nacl {\n"
- buf += " /* Binary World Wide unique Port Name for SAS Initiator port */\n"
- buf += " u64 iport_wwpn;\n"
- buf += " /* ASCII formatted WWPN for Sas Initiator port */\n"
- buf += " char iport_name[" + fabric_mod_name.upper() + "_NAMELEN];\n"
- buf += " /* Returned by " + fabric_mod_name + "_make_nodeacl() */\n"
- buf += " struct se_node_acl se_node_acl;\n"
- buf += "};\n\n"
buf += "struct " + fabric_mod_name + "_tpg {\n"
buf += " /* SAS port target portal group tag for TCM */\n"
buf += " u16 tport_tpgt;\n"
@@ -122,8 +103,6 @@ def tcm_mod_build_SAS_include(fabric_mod_dir_var, fabric_mod_name):
buf += " struct se_portal_group se_tpg;\n"
buf += "};\n\n"
buf += "struct " + fabric_mod_name + "_tport {\n"
- buf += " /* SCSI protocol the tport is providing */\n"
- buf += " u8 tport_proto_id;\n"
buf += " /* Binary World Wide unique Port Name for SAS Target port */\n"
buf += " u64 tport_wwpn;\n"
buf += " /* ASCII formatted WWPN for SAS Target port */\n"
@@ -158,12 +137,6 @@ def tcm_mod_build_iSCSI_include(fabric_mod_dir_var, fabric_mod_name):
buf = "#define " + fabric_mod_name.upper() + "_VERSION \"v0.1\"\n"
buf += "#define " + fabric_mod_name.upper() + "_NAMELEN 32\n"
buf += "\n"
- buf += "struct " + fabric_mod_name + "_nacl {\n"
- buf += " /* ASCII formatted InitiatorName */\n"
- buf += " char iport_name[" + fabric_mod_name.upper() + "_NAMELEN];\n"
- buf += " /* Returned by " + fabric_mod_name + "_make_nodeacl() */\n"
- buf += " struct se_node_acl se_node_acl;\n"
- buf += "};\n\n"
buf += "struct " + fabric_mod_name + "_tpg {\n"
buf += " /* iSCSI target portal group tag for TCM */\n"
buf += " u16 tport_tpgt;\n"
@@ -173,8 +146,6 @@ def tcm_mod_build_iSCSI_include(fabric_mod_dir_var, fabric_mod_name):
buf += " struct se_portal_group se_tpg;\n"
buf += "};\n\n"
buf += "struct " + fabric_mod_name + "_tport {\n"
- buf += " /* SCSI protocol the tport is providing */\n"
- buf += " u8 tport_proto_id;\n"
buf += " /* ASCII formatted TargetName for IQN */\n"
buf += " char tport_name[" + fabric_mod_name.upper() + "_NAMELEN];\n"
buf += " /* Returned by " + fabric_mod_name + "_make_tport() */\n"
@@ -232,61 +203,12 @@ def tcm_mod_build_configfs(proto_ident, fabric_mod_dir_var, fabric_mod_name):
buf += "#include <target/target_core_base.h>\n"
buf += "#include <target/target_core_fabric.h>\n"
buf += "#include <target/target_core_fabric_configfs.h>\n"
- buf += "#include <target/target_core_configfs.h>\n"
buf += "#include <target/configfs_macros.h>\n\n"
buf += "#include \"" + fabric_mod_name + "_base.h\"\n"
buf += "#include \"" + fabric_mod_name + "_fabric.h\"\n\n"
buf += "static const struct target_core_fabric_ops " + fabric_mod_name + "_ops;\n\n"
- buf += "static struct se_node_acl *" + fabric_mod_name + "_make_nodeacl(\n"
- buf += " struct se_portal_group *se_tpg,\n"
- buf += " struct config_group *group,\n"
- buf += " const char *name)\n"
- buf += "{\n"
- buf += " struct se_node_acl *se_nacl, *se_nacl_new;\n"
- buf += " struct " + fabric_mod_name + "_nacl *nacl;\n"
-
- if proto_ident == "FC" or proto_ident == "SAS":
- buf += " u64 wwpn = 0;\n"
-
- buf += " u32 nexus_depth;\n\n"
- buf += " /* " + fabric_mod_name + "_parse_wwn(name, &wwpn, 1) < 0)\n"
- buf += " return ERR_PTR(-EINVAL); */\n"
- buf += " se_nacl_new = " + fabric_mod_name + "_alloc_fabric_acl(se_tpg);\n"
- buf += " if (!se_nacl_new)\n"
- buf += " return ERR_PTR(-ENOMEM);\n"
- buf += "//#warning FIXME: Hardcoded nexus depth in " + fabric_mod_name + "_make_nodeacl()\n"
- buf += " nexus_depth = 1;\n"
- buf += " /*\n"
- buf += " * se_nacl_new may be released by core_tpg_add_initiator_node_acl()\n"
- buf += " * when converting a NodeACL from demo mode -> explict\n"
- buf += " */\n"
- buf += " se_nacl = core_tpg_add_initiator_node_acl(se_tpg, se_nacl_new,\n"
- buf += " name, nexus_depth);\n"
- buf += " if (IS_ERR(se_nacl)) {\n"
- buf += " " + fabric_mod_name + "_release_fabric_acl(se_tpg, se_nacl_new);\n"
- buf += " return se_nacl;\n"
- buf += " }\n"
- buf += " /*\n"
- buf += " * Locate our struct " + fabric_mod_name + "_nacl and set the FC Nport WWPN\n"
- buf += " */\n"
- buf += " nacl = container_of(se_nacl, struct " + fabric_mod_name + "_nacl, se_node_acl);\n"
-
- if proto_ident == "FC" or proto_ident == "SAS":
- buf += " nacl->" + fabric_mod_init_port + "_wwpn = wwpn;\n"
-
- buf += " /* " + fabric_mod_name + "_format_wwn(&nacl->" + fabric_mod_init_port + "_name[0], " + fabric_mod_name.upper() + "_NAMELEN, wwpn); */\n\n"
- buf += " return se_nacl;\n"
- buf += "}\n\n"
- buf += "static void " + fabric_mod_name + "_drop_nodeacl(struct se_node_acl *se_acl)\n"
- buf += "{\n"
- buf += " struct " + fabric_mod_name + "_nacl *nacl = container_of(se_acl,\n"
- buf += " struct " + fabric_mod_name + "_nacl, se_node_acl);\n"
- buf += " core_tpg_del_initiator_node_acl(se_acl->se_tpg, se_acl, 1);\n"
- buf += " kfree(nacl);\n"
- buf += "}\n\n"
-
buf += "static struct se_portal_group *" + fabric_mod_name + "_make_tpg(\n"
buf += " struct se_wwn *wwn,\n"
buf += " struct config_group *group,\n"
@@ -309,8 +231,7 @@ def tcm_mod_build_configfs(proto_ident, fabric_mod_dir_var, fabric_mod_name):
buf += " tpg->" + fabric_mod_port + " = " + fabric_mod_port + ";\n"
buf += " tpg->" + fabric_mod_port + "_tpgt = tpgt;\n\n"
buf += " ret = core_tpg_register(&" + fabric_mod_name + "_ops, wwn,\n"
- buf += " &tpg->se_tpg, tpg,\n"
- buf += " TRANSPORT_TPG_TYPE_NORMAL);\n"
+ buf += " &tpg->se_tpg, SCSI_PROTOCOL_SAS);\n"
buf += " if (ret < 0) {\n"
buf += " kfree(tpg);\n"
buf += " return NULL;\n"
@@ -372,21 +293,13 @@ def tcm_mod_build_configfs(proto_ident, fabric_mod_dir_var, fabric_mod_name):
buf += "static const struct target_core_fabric_ops " + fabric_mod_name + "_ops = {\n"
buf += " .module = THIS_MODULE,\n"
buf += " .name = " + fabric_mod_name + ",\n"
- buf += " .get_fabric_proto_ident = " + fabric_mod_name + "_get_fabric_proto_ident,\n"
buf += " .get_fabric_name = " + fabric_mod_name + "_get_fabric_name,\n"
- buf += " .get_fabric_proto_ident = " + fabric_mod_name + "_get_fabric_proto_ident,\n"
buf += " .tpg_get_wwn = " + fabric_mod_name + "_get_fabric_wwn,\n"
buf += " .tpg_get_tag = " + fabric_mod_name + "_get_tag,\n"
- buf += " .tpg_get_default_depth = " + fabric_mod_name + "_get_default_depth,\n"
- buf += " .tpg_get_pr_transport_id = " + fabric_mod_name + "_get_pr_transport_id,\n"
- buf += " .tpg_get_pr_transport_id_len = " + fabric_mod_name + "_get_pr_transport_id_len,\n"
- buf += " .tpg_parse_pr_out_transport_id = " + fabric_mod_name + "_parse_pr_out_transport_id,\n"
buf += " .tpg_check_demo_mode = " + fabric_mod_name + "_check_false,\n"
buf += " .tpg_check_demo_mode_cache = " + fabric_mod_name + "_check_true,\n"
buf += " .tpg_check_demo_mode_write_protect = " + fabric_mod_name + "_check_true,\n"
buf += " .tpg_check_prod_mode_write_protect = " + fabric_mod_name + "_check_false,\n"
- buf += " .tpg_alloc_fabric_acl = " + fabric_mod_name + "_alloc_fabric_acl,\n"
- buf += " .tpg_release_fabric_acl = " + fabric_mod_name + "_release_fabric_acl,\n"
buf += " .tpg_get_inst_index = " + fabric_mod_name + "_tpg_get_inst_index,\n"
buf += " .release_cmd = " + fabric_mod_name + "_release_cmd,\n"
buf += " .shutdown_session = " + fabric_mod_name + "_shutdown_session,\n"
@@ -396,7 +309,6 @@ def tcm_mod_build_configfs(proto_ident, fabric_mod_dir_var, fabric_mod_name):
buf += " .write_pending = " + fabric_mod_name + "_write_pending,\n"
buf += " .write_pending_status = " + fabric_mod_name + "_write_pending_status,\n"
buf += " .set_default_node_attributes = " + fabric_mod_name + "_set_default_node_attrs,\n"
- buf += " .get_task_tag = " + fabric_mod_name + "_get_task_tag,\n"
buf += " .get_cmd_state = " + fabric_mod_name + "_get_cmd_state,\n"
buf += " .queue_data_in = " + fabric_mod_name + "_queue_data_in,\n"
buf += " .queue_status = " + fabric_mod_name + "_queue_status,\n"
@@ -409,12 +321,6 @@ def tcm_mod_build_configfs(proto_ident, fabric_mod_dir_var, fabric_mod_name):
buf += " .fabric_drop_wwn = " + fabric_mod_name + "_drop_" + fabric_mod_port + ",\n"
buf += " .fabric_make_tpg = " + fabric_mod_name + "_make_tpg,\n"
buf += " .fabric_drop_tpg = " + fabric_mod_name + "_drop_tpg,\n"
- buf += " .fabric_post_link = NULL,\n"
- buf += " .fabric_pre_unlink = NULL,\n"
- buf += " .fabric_make_np = NULL,\n"
- buf += " .fabric_drop_np = NULL,\n"
- buf += " .fabric_make_nodeacl = " + fabric_mod_name + "_make_nodeacl,\n"
- buf += " .fabric_drop_nodeacl = " + fabric_mod_name + "_drop_nodeacl,\n"
buf += "\n"
buf += " .tfc_wwn_attrs = " + fabric_mod_name + "_wwn_attrs;\n"
buf += "};\n\n"
@@ -507,7 +413,6 @@ def tcm_mod_dump_fabric_ops(proto_ident, fabric_mod_dir_var, fabric_mod_name):
buf += "#include <scsi/scsi_proto.h>\n"
buf += "#include <target/target_core_base.h>\n"
buf += "#include <target/target_core_fabric.h>\n"
- buf += "#include <target/target_core_configfs.h>\n\n"
buf += "#include \"" + fabric_mod_name + "_base.h\"\n"
buf += "#include \"" + fabric_mod_name + "_fabric.h\"\n\n"
@@ -539,35 +444,6 @@ def tcm_mod_dump_fabric_ops(proto_ident, fabric_mod_dir_var, fabric_mod_name):
bufi += "char *" + fabric_mod_name + "_get_fabric_name(void);\n"
continue
- if re.search('get_fabric_proto_ident', fo):
- buf += "u8 " + fabric_mod_name + "_get_fabric_proto_ident(struct se_portal_group *se_tpg)\n"
- buf += "{\n"
- buf += " struct " + fabric_mod_name + "_tpg *tpg = container_of(se_tpg,\n"
- buf += " struct " + fabric_mod_name + "_tpg, se_tpg);\n"
- buf += " struct " + fabric_mod_name + "_" + fabric_mod_port + " *" + fabric_mod_port + " = tpg->" + fabric_mod_port + ";\n"
- buf += " u8 proto_id;\n\n"
- buf += " switch (" + fabric_mod_port + "->" + fabric_mod_port + "_proto_id) {\n"
- if proto_ident == "FC":
- buf += " case SCSI_PROTOCOL_FCP:\n"
- buf += " default:\n"
- buf += " proto_id = fc_get_fabric_proto_ident(se_tpg);\n"
- buf += " break;\n"
- elif proto_ident == "SAS":
- buf += " case SCSI_PROTOCOL_SAS:\n"
- buf += " default:\n"
- buf += " proto_id = sas_get_fabric_proto_ident(se_tpg);\n"
- buf += " break;\n"
- elif proto_ident == "iSCSI":
- buf += " case SCSI_PROTOCOL_ISCSI:\n"
- buf += " default:\n"
- buf += " proto_id = iscsi_get_fabric_proto_ident(se_tpg);\n"
- buf += " break;\n"
-
- buf += " }\n\n"
- buf += " return proto_id;\n"
- buf += "}\n\n"
- bufi += "u8 " + fabric_mod_name + "_get_fabric_proto_ident(struct se_portal_group *);\n"
-
if re.search('get_wwn', fo):
buf += "char *" + fabric_mod_name + "_get_fabric_wwn(struct se_portal_group *se_tpg)\n"
buf += "{\n"
@@ -587,150 +463,6 @@ def tcm_mod_dump_fabric_ops(proto_ident, fabric_mod_dir_var, fabric_mod_name):
buf += "}\n\n"
bufi += "u16 " + fabric_mod_name + "_get_tag(struct se_portal_group *);\n"
- if re.search('get_default_depth', fo):
- buf += "u32 " + fabric_mod_name + "_get_default_depth(struct se_portal_group *se_tpg)\n"
- buf += "{\n"
- buf += " return 1;\n"
- buf += "}\n\n"
- bufi += "u32 " + fabric_mod_name + "_get_default_depth(struct se_portal_group *);\n"
-
- if re.search('get_pr_transport_id\)\(', fo):
- buf += "u32 " + fabric_mod_name + "_get_pr_transport_id(\n"
- buf += " struct se_portal_group *se_tpg,\n"
- buf += " struct se_node_acl *se_nacl,\n"
- buf += " struct t10_pr_registration *pr_reg,\n"
- buf += " int *format_code,\n"
- buf += " unsigned char *buf)\n"
- buf += "{\n"
- buf += " struct " + fabric_mod_name + "_tpg *tpg = container_of(se_tpg,\n"
- buf += " struct " + fabric_mod_name + "_tpg, se_tpg);\n"
- buf += " struct " + fabric_mod_name + "_" + fabric_mod_port + " *" + fabric_mod_port + " = tpg->" + fabric_mod_port + ";\n"
- buf += " int ret = 0;\n\n"
- buf += " switch (" + fabric_mod_port + "->" + fabric_mod_port + "_proto_id) {\n"
- if proto_ident == "FC":
- buf += " case SCSI_PROTOCOL_FCP:\n"
- buf += " default:\n"
- buf += " ret = fc_get_pr_transport_id(se_tpg, se_nacl, pr_reg,\n"
- buf += " format_code, buf);\n"
- buf += " break;\n"
- elif proto_ident == "SAS":
- buf += " case SCSI_PROTOCOL_SAS:\n"
- buf += " default:\n"
- buf += " ret = sas_get_pr_transport_id(se_tpg, se_nacl, pr_reg,\n"
- buf += " format_code, buf);\n"
- buf += " break;\n"
- elif proto_ident == "iSCSI":
- buf += " case SCSI_PROTOCOL_ISCSI:\n"
- buf += " default:\n"
- buf += " ret = iscsi_get_pr_transport_id(se_tpg, se_nacl, pr_reg,\n"
- buf += " format_code, buf);\n"
- buf += " break;\n"
-
- buf += " }\n\n"
- buf += " return ret;\n"
- buf += "}\n\n"
- bufi += "u32 " + fabric_mod_name + "_get_pr_transport_id(struct se_portal_group *,\n"
- bufi += " struct se_node_acl *, struct t10_pr_registration *,\n"
- bufi += " int *, unsigned char *);\n"
-
- if re.search('get_pr_transport_id_len\)\(', fo):
- buf += "u32 " + fabric_mod_name + "_get_pr_transport_id_len(\n"
- buf += " struct se_portal_group *se_tpg,\n"
- buf += " struct se_node_acl *se_nacl,\n"
- buf += " struct t10_pr_registration *pr_reg,\n"
- buf += " int *format_code)\n"
- buf += "{\n"
- buf += " struct " + fabric_mod_name + "_tpg *tpg = container_of(se_tpg,\n"
- buf += " struct " + fabric_mod_name + "_tpg, se_tpg);\n"
- buf += " struct " + fabric_mod_name + "_" + fabric_mod_port + " *" + fabric_mod_port + " = tpg->" + fabric_mod_port + ";\n"
- buf += " int ret = 0;\n\n"
- buf += " switch (" + fabric_mod_port + "->" + fabric_mod_port + "_proto_id) {\n"
- if proto_ident == "FC":
- buf += " case SCSI_PROTOCOL_FCP:\n"
- buf += " default:\n"
- buf += " ret = fc_get_pr_transport_id_len(se_tpg, se_nacl, pr_reg,\n"
- buf += " format_code);\n"
- buf += " break;\n"
- elif proto_ident == "SAS":
- buf += " case SCSI_PROTOCOL_SAS:\n"
- buf += " default:\n"
- buf += " ret = sas_get_pr_transport_id_len(se_tpg, se_nacl, pr_reg,\n"
- buf += " format_code);\n"
- buf += " break;\n"
- elif proto_ident == "iSCSI":
- buf += " case SCSI_PROTOCOL_ISCSI:\n"
- buf += " default:\n"
- buf += " ret = iscsi_get_pr_transport_id_len(se_tpg, se_nacl, pr_reg,\n"
- buf += " format_code);\n"
- buf += " break;\n"
-
-
- buf += " }\n\n"
- buf += " return ret;\n"
- buf += "}\n\n"
- bufi += "u32 " + fabric_mod_name + "_get_pr_transport_id_len(struct se_portal_group *,\n"
- bufi += " struct se_node_acl *, struct t10_pr_registration *,\n"
- bufi += " int *);\n"
-
- if re.search('parse_pr_out_transport_id\)\(', fo):
- buf += "char *" + fabric_mod_name + "_parse_pr_out_transport_id(\n"
- buf += " struct se_portal_group *se_tpg,\n"
- buf += " const char *buf,\n"
- buf += " u32 *out_tid_len,\n"
- buf += " char **port_nexus_ptr)\n"
- buf += "{\n"
- buf += " struct " + fabric_mod_name + "_tpg *tpg = container_of(se_tpg,\n"
- buf += " struct " + fabric_mod_name + "_tpg, se_tpg);\n"
- buf += " struct " + fabric_mod_name + "_" + fabric_mod_port + " *" + fabric_mod_port + " = tpg->" + fabric_mod_port + ";\n"
- buf += " char *tid = NULL;\n\n"
- buf += " switch (" + fabric_mod_port + "->" + fabric_mod_port + "_proto_id) {\n"
- if proto_ident == "FC":
- buf += " case SCSI_PROTOCOL_FCP:\n"
- buf += " default:\n"
- buf += " tid = fc_parse_pr_out_transport_id(se_tpg, buf, out_tid_len,\n"
- buf += " port_nexus_ptr);\n"
- elif proto_ident == "SAS":
- buf += " case SCSI_PROTOCOL_SAS:\n"
- buf += " default:\n"
- buf += " tid = sas_parse_pr_out_transport_id(se_tpg, buf, out_tid_len,\n"
- buf += " port_nexus_ptr);\n"
- elif proto_ident == "iSCSI":
- buf += " case SCSI_PROTOCOL_ISCSI:\n"
- buf += " default:\n"
- buf += " tid = iscsi_parse_pr_out_transport_id(se_tpg, buf, out_tid_len,\n"
- buf += " port_nexus_ptr);\n"
-
- buf += " }\n\n"
- buf += " return tid;\n"
- buf += "}\n\n"
- bufi += "char *" + fabric_mod_name + "_parse_pr_out_transport_id(struct se_portal_group *,\n"
- bufi += " const char *, u32 *, char **);\n"
-
- if re.search('alloc_fabric_acl\)\(', fo):
- buf += "struct se_node_acl *" + fabric_mod_name + "_alloc_fabric_acl(struct se_portal_group *se_tpg)\n"
- buf += "{\n"
- buf += " struct " + fabric_mod_name + "_nacl *nacl;\n\n"
- buf += " nacl = kzalloc(sizeof(struct " + fabric_mod_name + "_nacl), GFP_KERNEL);\n"
- buf += " if (!nacl) {\n"
- buf += " printk(KERN_ERR \"Unable to allocate struct " + fabric_mod_name + "_nacl\\n\");\n"
- buf += " return NULL;\n"
- buf += " }\n\n"
- buf += " return &nacl->se_node_acl;\n"
- buf += "}\n\n"
- bufi += "struct se_node_acl *" + fabric_mod_name + "_alloc_fabric_acl(struct se_portal_group *);\n"
-
- if re.search('release_fabric_acl\)\(', fo):
- buf += "void " + fabric_mod_name + "_release_fabric_acl(\n"
- buf += " struct se_portal_group *se_tpg,\n"
- buf += " struct se_node_acl *se_nacl)\n"
- buf += "{\n"
- buf += " struct " + fabric_mod_name + "_nacl *nacl = container_of(se_nacl,\n"
- buf += " struct " + fabric_mod_name + "_nacl, se_node_acl);\n"
- buf += " kfree(nacl);\n"
- buf += "}\n\n"
- bufi += "void " + fabric_mod_name + "_release_fabric_acl(struct se_portal_group *,\n"
- bufi += " struct se_node_acl *);\n"
-
if re.search('tpg_get_inst_index\)\(', fo):
buf += "u32 " + fabric_mod_name + "_tpg_get_inst_index(struct se_portal_group *se_tpg)\n"
buf += "{\n"
@@ -787,13 +519,6 @@ def tcm_mod_dump_fabric_ops(proto_ident, fabric_mod_dir_var, fabric_mod_name):
buf += "}\n\n"
bufi += "void " + fabric_mod_name + "_set_default_node_attrs(struct se_node_acl *);\n"
- if re.search('get_task_tag\)\(', fo):
- buf += "u32 " + fabric_mod_name + "_get_task_tag(struct se_cmd *se_cmd)\n"
- buf += "{\n"
- buf += " return 0;\n"
- buf += "}\n\n"
- bufi += "u32 " + fabric_mod_name + "_get_task_tag(struct se_cmd *);\n"
-
if re.search('get_cmd_state\)\(', fo):
buf += "int " + fabric_mod_name + "_get_cmd_state(struct se_cmd *se_cmd)\n"
buf += "{\n"
diff --git a/Documentation/target/tcm_mod_builder.txt b/Documentation/target/tcm_mod_builder.txt
index 84533d8e747f298d557a4d18159a8a01a96db141..ae22f70055403d70425711e5fbda19eeea823a94 100644
--- a/Documentation/target/tcm_mod_builder.txt
+++ b/Documentation/target/tcm_mod_builder.txt
@@ -13,8 +13,8 @@ fabric skeleton, by simply using:
This script will create a new drivers/target/$TCM_NEW_MOD/, and will do the following
*) Generate new API callers for drivers/target/target_core_fabric_configs.c logic
- ->make_nodeacl(), ->drop_nodeacl(), ->make_tpg(), ->drop_tpg()
- ->make_wwn(), ->drop_wwn(). These are created into $TCM_NEW_MOD/$TCM_NEW_MOD_configfs.c
+ ->make_tpg(), ->drop_tpg(), ->make_wwn(), ->drop_wwn(). These are created
+ into $TCM_NEW_MOD/$TCM_NEW_MOD_configfs.c
*) Generate basic infrastructure for loading/unloading LKMs and TCM/ConfigFS fabric module
using a skeleton struct target_core_fabric_ops API template.
*) Based on user defined T10 Proto_Ident for the new fabric module being built,
diff --git a/Documentation/target/tcmu-design.txt b/Documentation/target/tcmu-design.txt
index 263b907517ac2cd14e3b8472f4bc23f4aa8aae07..bef81e42788f2b8e48238b63318afd556e843979 100644
--- a/Documentation/target/tcmu-design.txt
+++ b/Documentation/target/tcmu-design.txt
@@ -152,7 +152,7 @@ overall shared memory region, not the entry. The data in/out buffers
are accessible via tht req.iov[] array. iov_cnt contains the number of
entries in iov[] needed to describe either the Data-In or Data-Out
buffers. For bidirectional commands, iov_cnt specifies how many iovec
-entries cover the Data-Out area, and iov_bidi_count specifies how many
+entries cover the Data-Out area, and iov_bidi_cnt specifies how many
iovec entries immediately after that in iov[] cover the Data-In
area. Just like other fields, iov.iov_base is an offset from the start
of the region.
diff --git a/drivers/infiniband/ulp/isert/ib_isert.c b/drivers/infiniband/ulp/isert/ib_isert.c
index f3b7a34e10d81c019217917ac6ebce0462278b50..7717009631271ea6965a7d60b9dcf3f74acdd1d6 100644
--- a/drivers/infiniband/ulp/isert/ib_isert.c
+++ b/drivers/infiniband/ulp/isert/ib_isert.c
@@ -1356,7 +1356,7 @@ isert_handle_scsi_cmd(struct isert_conn *isert_conn,
if (!rc && dump_payload == false && unsol_data)
iscsit_set_unsoliticed_dataout(cmd);
else if (dump_payload && imm_data)
- target_put_sess_cmd(conn->sess->se_sess, &cmd->se_cmd);
+ target_put_sess_cmd(&cmd->se_cmd);
return 0;
}
@@ -1781,7 +1781,7 @@ isert_put_cmd(struct isert_cmd *isert_cmd, bool comp_err)
cmd->se_cmd.t_state == TRANSPORT_WRITE_PENDING) {
struct se_cmd *se_cmd = &cmd->se_cmd;
- target_put_sess_cmd(se_cmd->se_sess, se_cmd);
+ target_put_sess_cmd(se_cmd);
}
}
@@ -1954,7 +1954,7 @@ isert_completion_rdma_read(struct iser_tx_desc *tx_desc,
spin_unlock_bh(&cmd->istate_lock);
if (ret) {
- target_put_sess_cmd(se_cmd->se_sess, se_cmd);
+ target_put_sess_cmd(se_cmd);
transport_send_check_condition_and_sense(se_cmd,
se_cmd->pi_err, 0);
} else {
diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.c b/drivers/infiniband/ulp/srpt/ib_srpt.c
index 4556cd11288e755a348cc8553cdf28af38f08880..82897ca17f32349df3e3cc332b9b0204bbc524a3 100644
--- a/drivers/infiniband/ulp/srpt/ib_srpt.c
+++ b/drivers/infiniband/ulp/srpt/ib_srpt.c
@@ -47,7 +47,6 @@
#include <target/target_core_base.h>
#include <target/target_core_fabric_configfs.h>
#include <target/target_core_fabric.h>
-#include <target/target_core_configfs.h>
#include "ib_srpt.h"
/* Name of this kernel module. */
@@ -94,7 +93,6 @@ MODULE_PARM_DESC(srpt_service_guid,
" instead of using the node_guid of the first HCA.");
static struct ib_client srpt_client;
-static const struct target_core_fabric_ops srpt_template;
static void srpt_release_channel(struct srpt_rdma_ch *ch);
static int srpt_queue_status(struct se_cmd *cmd);
@@ -1336,12 +1334,12 @@ static int srpt_abort_cmd(struct srpt_send_ioctx *ioctx)
BUG_ON(ch->sess == NULL);
- target_put_sess_cmd(ch->sess, &ioctx->cmd);
+ target_put_sess_cmd(&ioctx->cmd);
goto out;
}
pr_debug("Aborting cmd with state %d and tag %lld\n", state,
- ioctx->tag);
+ ioctx->cmd.tag);
switch (state) {
case SRPT_STATE_NEW:
@@ -1367,11 +1365,11 @@ static int srpt_abort_cmd(struct srpt_send_ioctx *ioctx)
* not been received in time.
*/
srpt_unmap_sg_to_ib_sge(ioctx->ch, ioctx);
- target_put_sess_cmd(ioctx->ch->sess, &ioctx->cmd);
+ target_put_sess_cmd(&ioctx->cmd);
break;
case SRPT_STATE_MGMT_RSP_SENT:
srpt_set_cmd_state(ioctx, SRPT_STATE_DONE);
- target_put_sess_cmd(ioctx->ch->sess, &ioctx->cmd);
+ target_put_sess_cmd(&ioctx->cmd);
break;
default:
WARN(1, "Unexpected command state (%d)", state);
@@ -1389,7 +1387,6 @@ static void srpt_handle_send_err_comp(struct srpt_rdma_ch *ch, u64 wr_id)
{
struct srpt_send_ioctx *ioctx;
enum srpt_command_state state;
- struct se_cmd *cmd;
u32 index;
atomic_inc(&ch->sq_wr_avail);
@@ -1397,7 +1394,6 @@ static void srpt_handle_send_err_comp(struct srpt_rdma_ch *ch, u64 wr_id)
index = idx_from_wr_id(wr_id);
ioctx = ch->ioctx_ring[index];
state = srpt_get_cmd_state(ioctx);
- cmd = &ioctx->cmd;
WARN_ON(state != SRPT_STATE_CMD_RSP_SENT
&& state != SRPT_STATE_MGMT_RSP_SENT
@@ -1474,10 +1470,8 @@ static void srpt_handle_rdma_err_comp(struct srpt_rdma_ch *ch,
struct srpt_send_ioctx *ioctx,
enum srpt_opcode opcode)
{
- struct se_cmd *cmd;
enum srpt_command_state state;
- cmd = &ioctx->cmd;
state = srpt_get_cmd_state(ioctx);
switch (opcode) {
case SRPT_RDMA_READ_LAST:
@@ -1681,7 +1675,7 @@ static int srpt_check_stop_free(struct se_cmd *cmd)
struct srpt_send_ioctx *ioctx = container_of(cmd,
struct srpt_send_ioctx, cmd);
- return target_put_sess_cmd(ioctx->ch->sess, &ioctx->cmd);
+ return target_put_sess_cmd(&ioctx->cmd);
}
/**
@@ -1703,7 +1697,7 @@ static int srpt_handle_cmd(struct srpt_rdma_ch *ch,
srp_cmd = recv_ioctx->ioctx.buf;
cmd = &send_ioctx->cmd;
- send_ioctx->tag = srp_cmd->tag;
+ cmd->tag = srp_cmd->tag;
switch (srp_cmd->task_attr) {
case SRP_CMD_SIMPLE_Q:
@@ -1774,7 +1768,7 @@ static int srpt_rx_mgmt_fn_tag(struct srpt_send_ioctx *ioctx, u64 tag)
for (i = 0; i < ch->rq_size; ++i) {
target = ch->ioctx_ring[i];
if (target->cmd.se_lun == ioctx->cmd.se_lun &&
- target->tag == tag &&
+ target->cmd.tag == tag &&
srpt_get_cmd_state(target) != SRPT_STATE_DONE) {
ret = 0;
/* now let the target core abort &target->cmd; */
@@ -1833,7 +1827,7 @@ static void srpt_handle_tsk_mgmt(struct srpt_rdma_ch *ch,
srp_tsk->task_tag, srp_tsk->tag, ch->cm_id, ch->sess);
srpt_set_cmd_state(send_ioctx, SRPT_STATE_MGMT);
- send_ioctx->tag = srp_tsk->tag;
+ send_ioctx->cmd.tag = srp_tsk->tag;
tcm_tmr = srp_tmr_to_tcm(srp_tsk->tsk_mgmt_func);
if (tcm_tmr < 0) {
send_ioctx->cmd.se_tmr_req->response =
@@ -2180,12 +2174,9 @@ static void srpt_destroy_ch_ib(struct srpt_rdma_ch *ch)
*/
static void __srpt_close_ch(struct srpt_rdma_ch *ch)
{
- struct srpt_device *sdev;
enum rdma_ch_state prev_state;
unsigned long flags;
- sdev = ch->sport->sdev;
-
spin_lock_irqsave(&ch->spinlock, flags);
prev_state = ch->state;
switch (prev_state) {
@@ -2983,7 +2974,7 @@ static int srpt_write_pending(struct se_cmd *se_cmd)
case CH_DRAINING:
case CH_RELEASING:
pr_debug("cmd with tag %lld: channel disconnecting\n",
- ioctx->tag);
+ ioctx->cmd.tag);
srpt_set_cmd_state(ioctx, SRPT_STATE_DATA_IN);
ret = -EINVAL;
goto out;
@@ -3058,27 +3049,27 @@ static void srpt_queue_response(struct se_cmd *cmd)
ret = srpt_xfer_data(ch, ioctx);
if (ret) {
pr_err("xfer_data failed for tag %llu\n",
- ioctx->tag);
+ ioctx->cmd.tag);
return;
}
}
if (state != SRPT_STATE_MGMT)
- resp_len = srpt_build_cmd_rsp(ch, ioctx, ioctx->tag,
+ resp_len = srpt_build_cmd_rsp(ch, ioctx, ioctx->cmd.tag,
cmd->scsi_status);
else {
srp_tm_status
= tcm_to_srp_tsk_mgmt_status(cmd->se_tmr_req->response);
resp_len = srpt_build_tskmgmt_rsp(ch, ioctx, srp_tm_status,
- ioctx->tag);
+ ioctx->cmd.tag);
}
ret = srpt_post_send(ch, ioctx, resp_len);
if (ret) {
pr_err("sending cmd response failed for tag %llu\n",
- ioctx->tag);
+ ioctx->cmd.tag);
srpt_unmap_sg_to_ib_sge(ch, ioctx);
srpt_set_cmd_state(ioctx, SRPT_STATE_DONE);
- target_put_sess_cmd(ioctx->ch->sess, &ioctx->cmd);
+ target_put_sess_cmd(&ioctx->cmd);
}
}
@@ -3398,11 +3389,6 @@ static char *srpt_get_fabric_name(void)
return "srpt";
}
-static u8 srpt_get_fabric_proto_ident(struct se_portal_group *se_tpg)
-{
- return SCSI_TRANSPORTID_PROTOCOLID_SRP;
-}
-
static char *srpt_get_fabric_wwn(struct se_portal_group *tpg)
{
struct srpt_port *sport = container_of(tpg, struct srpt_port, port_tpg_1);
@@ -3415,69 +3401,6 @@ static u16 srpt_get_tag(struct se_portal_group *tpg)
return 1;
}
-static u32 srpt_get_default_depth(struct se_portal_group *se_tpg)
-{
- return 1;
-}
-
-static u32 srpt_get_pr_transport_id(struct se_portal_group *se_tpg,
- struct se_node_acl *se_nacl,
- struct t10_pr_registration *pr_reg,
- int *format_code, unsigned char *buf)
-{
- struct srpt_node_acl *nacl;
- struct spc_rdma_transport_id *tr_id;
-
- nacl = container_of(se_nacl, struct srpt_node_acl, nacl);
- tr_id = (void *)buf;
- tr_id->protocol_identifier = SCSI_TRANSPORTID_PROTOCOLID_SRP;
- memcpy(tr_id->i_port_id, nacl->i_port_id, sizeof(tr_id->i_port_id));
- return sizeof(*tr_id);
-}
-
-static u32 srpt_get_pr_transport_id_len(struct se_portal_group *se_tpg,
- struct se_node_acl *se_nacl,
- struct t10_pr_registration *pr_reg,
- int *format_code)
-{
- *format_code = 0;
- return sizeof(struct spc_rdma_transport_id);
-}
-
-static char *srpt_parse_pr_out_transport_id(struct se_portal_group *se_tpg,
- const char *buf, u32 *out_tid_len,
- char **port_nexus_ptr)
-{
- struct spc_rdma_transport_id *tr_id;
-
- *port_nexus_ptr = NULL;
- *out_tid_len = sizeof(struct spc_rdma_transport_id);
- tr_id = (void *)buf;
- return (char *)tr_id->i_port_id;
-}
-
-static struct se_node_acl *srpt_alloc_fabric_acl(struct se_portal_group *se_tpg)
-{
- struct srpt_node_acl *nacl;
-
- nacl = kzalloc(sizeof(struct srpt_node_acl), GFP_KERNEL);
- if (!nacl) {
- pr_err("Unable to allocate struct srpt_node_acl\n");
- return NULL;
- }
-
- return &nacl->nacl;
-}
-
-static void srpt_release_fabric_acl(struct se_portal_group *se_tpg,
- struct se_node_acl *se_nacl)
-{
- struct srpt_node_acl *nacl;
-
- nacl = container_of(se_nacl, struct srpt_node_acl, nacl);
- kfree(nacl);
-}
-
static u32 srpt_tpg_get_inst_index(struct se_portal_group *se_tpg)
{
return 1;
@@ -3551,14 +3474,6 @@ static void srpt_set_default_node_attrs(struct se_node_acl *nacl)
{
}
-static u32 srpt_get_task_tag(struct se_cmd *se_cmd)
-{
- struct srpt_send_ioctx *ioctx;
-
- ioctx = container_of(se_cmd, struct srpt_send_ioctx, cmd);
- return ioctx->tag;
-}
-
/* Note: only used from inside debug printk's by the TCM core. */
static int srpt_get_tcm_cmd_state(struct se_cmd *se_cmd)
{
@@ -3601,40 +3516,19 @@ static int srpt_parse_i_port_id(u8 i_port_id[16], const char *name)
* configfs callback function invoked for
* mkdir /sys/kernel/config/target/$driver/$port/$tpg/acls/$i_port_id
*/
-static struct se_node_acl *srpt_make_nodeacl(struct se_portal_group *tpg,
- struct config_group *group,
- const char *name)
+static int srpt_init_nodeacl(struct se_node_acl *se_nacl, const char *name)
{
- struct srpt_port *sport = container_of(tpg, struct srpt_port, port_tpg_1);
- struct se_node_acl *se_nacl, *se_nacl_new;
- struct srpt_node_acl *nacl;
- int ret = 0;
- u32 nexus_depth = 1;
+ struct srpt_port *sport =
+ container_of(se_nacl->se_tpg, struct srpt_port, port_tpg_1);
+ struct srpt_node_acl *nacl =
+ container_of(se_nacl, struct srpt_node_acl, nacl);
u8 i_port_id[16];
if (srpt_parse_i_port_id(i_port_id, name) < 0) {
pr_err("invalid initiator port ID %s\n", name);
- ret = -EINVAL;
- goto err;
+ return -EINVAL;
}
- se_nacl_new = srpt_alloc_fabric_acl(tpg);
- if (!se_nacl_new) {
- ret = -ENOMEM;
- goto err;
- }
- /*
- * nacl_new may be released by core_tpg_add_initiator_node_acl()
- * when converting a node ACL from demo mode to explict
- */
- se_nacl = core_tpg_add_initiator_node_acl(tpg, se_nacl_new, name,
- nexus_depth);
- if (IS_ERR(se_nacl)) {
- ret = PTR_ERR(se_nacl);
- goto err;
- }
- /* Locate our struct srpt_node_acl and set sdev and i_port_id. */
- nacl = container_of(se_nacl, struct srpt_node_acl, nacl);
memcpy(&nacl->i_port_id[0], &i_port_id[0], 16);
nacl->sport = sport;
@@ -3642,29 +3536,22 @@ static struct se_node_acl *srpt_make_nodeacl(struct se_portal_group *tpg,
list_add_tail(&nacl->list, &sport->port_acl_list);
spin_unlock_irq(&sport->port_acl_lock);
- return se_nacl;
-err:
- return ERR_PTR(ret);
+ return 0;
}
/*
* configfs callback function invoked for
* rmdir /sys/kernel/config/target/$driver/$port/$tpg/acls/$i_port_id
*/
-static void srpt_drop_nodeacl(struct se_node_acl *se_nacl)
+static void srpt_cleanup_nodeacl(struct se_node_acl *se_nacl)
{
- struct srpt_node_acl *nacl;
- struct srpt_device *sdev;
- struct srpt_port *sport;
+ struct srpt_node_acl *nacl =
+ container_of(se_nacl, struct srpt_node_acl, nacl);
+ struct srpt_port *sport = nacl->sport;
- nacl = container_of(se_nacl, struct srpt_node_acl, nacl);
- sport = nacl->sport;
- sdev = sport->sdev;
spin_lock_irq(&sport->port_acl_lock);
list_del(&nacl->list);
spin_unlock_irq(&sport->port_acl_lock);
- core_tpg_del_initiator_node_acl(&sport->port_tpg_1, se_nacl, 1);
- srpt_release_fabric_acl(NULL, se_nacl);
}
static ssize_t srpt_tpg_attrib_show_srp_max_rdma_size(
@@ -3849,8 +3736,7 @@ static struct se_portal_group *srpt_make_tpg(struct se_wwn *wwn,
int res;
/* Initialize sport->port_wwn and sport->port_tpg_1 */
- res = core_tpg_register(&srpt_template, &sport->port_wwn,
- &sport->port_tpg_1, sport, TRANSPORT_TPG_TYPE_NORMAL);
+ res = core_tpg_register(&sport->port_wwn, &sport->port_tpg_1, SCSI_PROTOCOL_SRP);
if (res)
return ERR_PTR(res);
@@ -3920,20 +3806,14 @@ static struct configfs_attribute *srpt_wwn_attrs[] = {
static const struct target_core_fabric_ops srpt_template = {
.module = THIS_MODULE,
.name = "srpt",
+ .node_acl_size = sizeof(struct srpt_node_acl),
.get_fabric_name = srpt_get_fabric_name,
- .get_fabric_proto_ident = srpt_get_fabric_proto_ident,
.tpg_get_wwn = srpt_get_fabric_wwn,
.tpg_get_tag = srpt_get_tag,
- .tpg_get_default_depth = srpt_get_default_depth,
- .tpg_get_pr_transport_id = srpt_get_pr_transport_id,
- .tpg_get_pr_transport_id_len = srpt_get_pr_transport_id_len,
- .tpg_parse_pr_out_transport_id = srpt_parse_pr_out_transport_id,
.tpg_check_demo_mode = srpt_check_false,
.tpg_check_demo_mode_cache = srpt_check_true,
.tpg_check_demo_mode_write_protect = srpt_check_true,
.tpg_check_prod_mode_write_protect = srpt_check_false,
- .tpg_alloc_fabric_acl = srpt_alloc_fabric_acl,
- .tpg_release_fabric_acl = srpt_release_fabric_acl,
.tpg_get_inst_index = srpt_tpg_get_inst_index,
.release_cmd = srpt_release_cmd,
.check_stop_free = srpt_check_stop_free,
@@ -3944,7 +3824,6 @@ static const struct target_core_fabric_ops srpt_template = {
.write_pending = srpt_write_pending,
.write_pending_status = srpt_write_pending_status,
.set_default_node_attributes = srpt_set_default_node_attrs,
- .get_task_tag = srpt_get_task_tag,
.get_cmd_state = srpt_get_tcm_cmd_state,
.queue_data_in = srpt_queue_data_in,
.queue_status = srpt_queue_status,
@@ -3958,12 +3837,8 @@ static const struct target_core_fabric_ops srpt_template = {
.fabric_drop_wwn = srpt_drop_tport,
.fabric_make_tpg = srpt_make_tpg,
.fabric_drop_tpg = srpt_drop_tpg,
- .fabric_post_link = NULL,
- .fabric_pre_unlink = NULL,
- .fabric_make_np = NULL,
- .fabric_drop_np = NULL,
- .fabric_make_nodeacl = srpt_make_nodeacl,
- .fabric_drop_nodeacl = srpt_drop_nodeacl,
+ .fabric_init_nodeacl = srpt_init_nodeacl,
+ .fabric_cleanup_nodeacl = srpt_cleanup_nodeacl,
.tfc_wwn_attrs = srpt_wwn_attrs,
.tfc_tpg_base_attrs = srpt_tpg_attrs,
diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.h b/drivers/infiniband/ulp/srpt/ib_srpt.h
index d85c0c2056257b0ffa9a19e49aa96dba0e33399e..21f8df67522ab5131c43c5447ed4e3b57002badb 100644
--- a/drivers/infiniband/ulp/srpt/ib_srpt.h
+++ b/drivers/infiniband/ulp/srpt/ib_srpt.h
@@ -238,7 +238,6 @@ struct srpt_send_ioctx {
bool rdma_aborted;
struct se_cmd cmd;
struct completion tx_done;
- u64 tag;
int sg_cnt;
int mapped_sg_count;
u16 n_rdma_ius;
@@ -410,34 +409,16 @@ struct srpt_device {
/**
* struct srpt_node_acl - Per-initiator ACL data (managed via configfs).
+ * @nacl: Target core node ACL information.
* @i_port_id: 128-bit SRP initiator port ID.
* @sport: port information.
- * @nacl: Target core node ACL information.
* @list: Element of the per-HCA ACL list.
*/
struct srpt_node_acl {
+ struct se_node_acl nacl;
u8 i_port_id[16];
struct srpt_port *sport;
- struct se_node_acl nacl;
struct list_head list;
};
-/*
- * SRP-releated SCSI persistent reservation definitions.
- *
- * See also SPC4r28, section 7.6.1 (Protocol specific parameters introduction).
- * See also SPC4r28, section 7.6.4.5 (TransportID for initiator ports using
- * SCSI over an RDMA interface).
- */
-
-enum {
- SCSI_TRANSPORTID_PROTOCOLID_SRP = 4,
-};
-
-struct spc_rdma_transport_id {
- uint8_t protocol_identifier;
- uint8_t reserved[7];
- uint8_t i_port_id[16];
-};
-
#endif /* IB_SRPT_H */
diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c
index 4a484d60be0d4db6449bde1e77af21fe58c3639b..b749026aa592445d70dd51056314ff29965578ca 100644
--- a/drivers/scsi/qla2xxx/qla_target.c
+++ b/drivers/scsi/qla2xxx/qla_target.c
@@ -1191,7 +1191,7 @@ static int __qlt_24xx_handle_abts(struct scsi_qla_host *vha,
list_for_each_entry(se_cmd, &se_sess->sess_cmd_list, se_cmd_list) {
struct qla_tgt_cmd *cmd =
container_of(se_cmd, struct qla_tgt_cmd, se_cmd);
- if (cmd->tag == abts->exchange_addr_to_abort) {
+ if (se_cmd->tag == abts->exchange_addr_to_abort) {
lun = cmd->unpacked_lun;
found_lun = true;
break;
@@ -1728,9 +1728,8 @@ static int qlt_pre_xmit_response(struct qla_tgt_cmd *cmd,
if (unlikely(cmd->aborted)) {
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf014,
- "qla_target(%d): terminating exchange "
- "for aborted cmd=%p (se_cmd=%p, tag=%d)", vha->vp_idx, cmd,
- se_cmd, cmd->tag);
+ "qla_target(%d): terminating exchange for aborted cmd=%p (se_cmd=%p, tag=%lld)",
+ vha->vp_idx, cmd, se_cmd, se_cmd->tag);
cmd->state = QLA_TGT_STATE_ABORTED;
cmd->cmd_flags |= BIT_6;
@@ -1765,18 +1764,17 @@ static int qlt_pre_xmit_response(struct qla_tgt_cmd *cmd,
if (se_cmd->se_cmd_flags & SCF_UNDERFLOW_BIT) {
prm->residual = se_cmd->residual_count;
ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x305c,
- "Residual underflow: %d (tag %d, "
- "op %x, bufflen %d, rq_result %x)\n", prm->residual,
- cmd->tag, se_cmd->t_task_cdb ? se_cmd->t_task_cdb[0] : 0,
- cmd->bufflen, prm->rq_result);
+ "Residual underflow: %d (tag %lld, op %x, bufflen %d, rq_result %x)\n",
+ prm->residual, se_cmd->tag,
+ se_cmd->t_task_cdb ? se_cmd->t_task_cdb[0] : 0,
+ cmd->bufflen, prm->rq_result);
prm->rq_result |= SS_RESIDUAL_UNDER;
} else if (se_cmd->se_cmd_flags & SCF_OVERFLOW_BIT) {
prm->residual = se_cmd->residual_count;
ql_dbg(ql_dbg_io, vha, 0x305d,
- "Residual overflow: %d (tag %d, "
- "op %x, bufflen %d, rq_result %x)\n", prm->residual,
- cmd->tag, se_cmd->t_task_cdb ? se_cmd->t_task_cdb[0] : 0,
- cmd->bufflen, prm->rq_result);
+ "Residual overflow: %d (tag %lld, op %x, bufflen %d, rq_result %x)\n",
+ prm->residual, se_cmd->tag, se_cmd->t_task_cdb ?
+ se_cmd->t_task_cdb[0] : 0, cmd->bufflen, prm->rq_result);
prm->rq_result |= SS_RESIDUAL_OVER;
}
@@ -1849,7 +1847,7 @@ static void qlt_check_srr_debug(struct qla_tgt_cmd *cmd, int *xmit_type)
== 50) {
*xmit_type &= ~QLA_TGT_XMIT_STATUS;
ql_dbg(ql_dbg_tgt_mgt, cmd->vha, 0xf015,
- "Dropping cmd %p (tag %d) status", cmd, cmd->tag);
+ "Dropping cmd %p (tag %d) status", cmd, se_cmd->tag);
}
#endif
/*
@@ -1873,7 +1871,7 @@ static void qlt_check_srr_debug(struct qla_tgt_cmd *cmd, int *xmit_type)
ql_dbg(ql_dbg_tgt_mgt, cmd->vha, 0xf016,
"Cutting cmd %p (tag %d) buffer"
" tail to len %d, sg_cnt %d (cmd->bufflen %d,"
- " cmd->sg_cnt %d)", cmd, cmd->tag, tot_len, leave,
+ " cmd->sg_cnt %d)", cmd, se_cmd->tag, tot_len, leave,
cmd->bufflen, cmd->sg_cnt);
cmd->bufflen = tot_len;
@@ -1885,13 +1883,13 @@ static void qlt_check_srr_debug(struct qla_tgt_cmd *cmd, int *xmit_type)
ql_dbg(ql_dbg_tgt_mgt, cmd->vha, 0xf017,
"Cutting cmd %p (tag %d) buffer head "
- "to offset %d (cmd->bufflen %d)", cmd, cmd->tag, offset,
+ "to offset %d (cmd->bufflen %d)", cmd, se_cmd->tag, offset,
cmd->bufflen);
if (offset == 0)
*xmit_type &= ~QLA_TGT_XMIT_DATA;
else if (qlt_set_data_offset(cmd, offset)) {
ql_dbg(ql_dbg_tgt_mgt, cmd->vha, 0xf018,
- "qlt_set_data_offset() failed (tag %d)", cmd->tag);
+ "qlt_set_data_offset() failed (tag %d)", se_cmd->tag);
}
}
}
@@ -3194,7 +3192,7 @@ static void qlt_do_ctio_completion(struct scsi_qla_host *vha, uint32_t handle,
return;
} else if (cmd->state == QLA_TGT_STATE_ABORTED) {
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf01e,
- "Aborted command %p (tag %d) finished\n", cmd, cmd->tag);
+ "Aborted command %p (tag %lld) finished\n", cmd, se_cmd->tag);
} else {
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf05c,
"qla_target(%d): A command in state (%d) should "
@@ -3266,7 +3264,7 @@ static void __qlt_do_work(struct qla_tgt_cmd *cmd)
goto out_term;
cdb = &atio->u.isp24.fcp_cmnd.cdb[0];
- cmd->tag = atio->u.isp24.exchange_addr;
+ cmd->se_cmd.tag = atio->u.isp24.exchange_addr;
cmd->unpacked_lun = scsilun_to_int(
(struct scsi_lun *)&atio->u.isp24.fcp_cmnd.lun);
@@ -3893,9 +3891,8 @@ static void qlt_handle_srr(struct scsi_qla_host *vha,
resp = 1;
} else {
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf064,
- "qla_target(%d): SRR for in data for cmd "
- "without them (tag %d, SCSI status %d), "
- "reject", vha->vp_idx, cmd->tag,
+ "qla_target(%d): SRR for in data for cmd without them (tag %lld, SCSI status %d), reject",
+ vha->vp_idx, se_cmd->tag,
cmd->se_cmd.scsi_status);
goto out_reject;
}
@@ -3929,10 +3926,8 @@ static void qlt_handle_srr(struct scsi_qla_host *vha,
}
} else {
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf066,
- "qla_target(%d): SRR for out data for cmd "
- "without them (tag %d, SCSI status %d), "
- "reject", vha->vp_idx, cmd->tag,
- cmd->se_cmd.scsi_status);
+ "qla_target(%d): SRR for out data for cmd without them (tag %lld, SCSI status %d), reject",
+ vha->vp_idx, se_cmd->tag, cmd->se_cmd.scsi_status);
goto out_reject;
}
break;
@@ -4053,10 +4048,9 @@ static void qlt_handle_srr_work(struct work_struct *work)
cmd->sg = se_cmd->t_data_sg;
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf02c,
- "SRR cmd %p (se_cmd %p, tag %d, op %x), "
- "sg_cnt=%d, offset=%d", cmd, &cmd->se_cmd, cmd->tag,
- se_cmd->t_task_cdb ? se_cmd->t_task_cdb[0] : 0,
- cmd->sg_cnt, cmd->offset);
+ "SRR cmd %p (se_cmd %p, tag %lld, op %x), sg_cnt=%d, offset=%d",
+ cmd, &cmd->se_cmd, se_cmd->tag, se_cmd->t_task_cdb ?
+ se_cmd->t_task_cdb[0] : 0, cmd->sg_cnt, cmd->offset);
qlt_handle_srr(vha, sctio, imm);
diff --git a/drivers/scsi/qla2xxx/qla_target.h b/drivers/scsi/qla2xxx/qla_target.h
index 332086776dfe94db4be404cca5c621518d600b1f..985d76dd706b71b3da1b3685169a21c24af90fa0 100644
--- a/drivers/scsi/qla2xxx/qla_target.h
+++ b/drivers/scsi/qla2xxx/qla_target.h
@@ -924,7 +924,6 @@ struct qla_tgt_cmd {
int sg_cnt; /* SG segments count */
int bufflen; /* cmd buffer length */
int offset;
- uint32_t tag;
uint32_t unpacked_lun;
enum dma_data_direction dma_data_direction;
uint32_t reset_count;
diff --git a/drivers/scsi/qla2xxx/tcm_qla2xxx.c b/drivers/scsi/qla2xxx/tcm_qla2xxx.c
index e32d24ec7a11516a79a40b23ac850da5120a3301..d9a8c6084346759778c5cd8506c42d4ead19e2cc 100644
--- a/drivers/scsi/qla2xxx/tcm_qla2xxx.c
+++ b/drivers/scsi/qla2xxx/tcm_qla2xxx.c
@@ -44,7 +44,6 @@
#include <target/target_core_base.h>
#include <target/target_core_fabric.h>
#include <target/target_core_fabric_configfs.h>
-#include <target/target_core_configfs.h>
#include <target/configfs_macros.h>
#include "qla_def.h"
@@ -54,9 +53,6 @@
static struct workqueue_struct *tcm_qla2xxx_free_wq;
static struct workqueue_struct *tcm_qla2xxx_cmd_wq;
-static const struct target_core_fabric_ops tcm_qla2xxx_ops;
-static const struct target_core_fabric_ops tcm_qla2xxx_npiv_ops;
-
/*
* Parse WWN.
* If strict, we require lower-case hex and colon separators to be sure
@@ -191,23 +187,6 @@ static char *tcm_qla2xxx_npiv_get_fabric_name(void)
return "qla2xxx_npiv";
}
-static u8 tcm_qla2xxx_get_fabric_proto_ident(struct se_portal_group *se_tpg)
-{
- struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg,
- struct tcm_qla2xxx_tpg, se_tpg);
- struct tcm_qla2xxx_lport *lport = tpg->lport;
- u8 proto_id;
-
- switch (lport->lport_proto_id) {
- case SCSI_PROTOCOL_FCP:
- default:
- proto_id = fc_get_fabric_proto_ident(se_tpg);
- break;
- }
-
- return proto_id;
-}
-
static char *tcm_qla2xxx_get_fabric_wwn(struct se_portal_group *se_tpg)
{
struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg,
@@ -224,78 +203,6 @@ static u16 tcm_qla2xxx_get_tag(struct se_portal_group *se_tpg)
return tpg->lport_tpgt;
}
-static u32 tcm_qla2xxx_get_default_depth(struct se_portal_group *se_tpg)
-{
- return 1;
-}
-
-static u32 tcm_qla2xxx_get_pr_transport_id(
- struct se_portal_group *se_tpg,
- struct se_node_acl *se_nacl,
- struct t10_pr_registration *pr_reg,
- int *format_code,
- unsigned char *buf)
-{
- struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg,
- struct tcm_qla2xxx_tpg, se_tpg);
- struct tcm_qla2xxx_lport *lport = tpg->lport;
- int ret = 0;
-
- switch (lport->lport_proto_id) {
- case SCSI_PROTOCOL_FCP:
- default:
- ret = fc_get_pr_transport_id(se_tpg, se_nacl, pr_reg,
- format_code, buf);
- break;
- }
-
- return ret;
-}
-
-static u32 tcm_qla2xxx_get_pr_transport_id_len(
- struct se_portal_group *se_tpg,
- struct se_node_acl *se_nacl,
- struct t10_pr_registration *pr_reg,
- int *format_code)
-{
- struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg,
- struct tcm_qla2xxx_tpg, se_tpg);
- struct tcm_qla2xxx_lport *lport = tpg->lport;
- int ret = 0;
-
- switch (lport->lport_proto_id) {
- case SCSI_PROTOCOL_FCP:
- default:
- ret = fc_get_pr_transport_id_len(se_tpg, se_nacl, pr_reg,
- format_code);
- break;
- }
-
- return ret;
-}
-
-static char *tcm_qla2xxx_parse_pr_out_transport_id(
- struct se_portal_group *se_tpg,
- const char *buf,
- u32 *out_tid_len,
- char **port_nexus_ptr)
-{
- struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg,
- struct tcm_qla2xxx_tpg, se_tpg);
- struct tcm_qla2xxx_lport *lport = tpg->lport;
- char *tid = NULL;
-
- switch (lport->lport_proto_id) {
- case SCSI_PROTOCOL_FCP:
- default:
- tid = fc_parse_pr_out_transport_id(se_tpg, buf, out_tid_len,
- port_nexus_ptr);
- break;
- }
-
- return tid;
-}
-
static int tcm_qla2xxx_check_demo_mode(struct se_portal_group *se_tpg)
{
struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg,
@@ -344,29 +251,6 @@ static int tcm_qla2xxx_check_prot_fabric_only(struct se_portal_group *se_tpg)
return tpg->tpg_attrib.fabric_prot_type;
}
-static struct se_node_acl *tcm_qla2xxx_alloc_fabric_acl(
- struct se_portal_group *se_tpg)
-{
- struct tcm_qla2xxx_nacl *nacl;
-
- nacl = kzalloc(sizeof(struct tcm_qla2xxx_nacl), GFP_KERNEL);
- if (!nacl) {
- pr_err("Unable to allocate struct tcm_qla2xxx_nacl\n");
- return NULL;
- }
-
- return &nacl->se_node_acl;
-}
-
-static void tcm_qla2xxx_release_fabric_acl(
- struct se_portal_group *se_tpg,
- struct se_node_acl *se_nacl)
-{
- struct tcm_qla2xxx_nacl *nacl = container_of(se_nacl,
- struct tcm_qla2xxx_nacl, se_node_acl);
- kfree(nacl);
-}
-
static u32 tcm_qla2xxx_tpg_get_inst_index(struct se_portal_group *se_tpg)
{
struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg,
@@ -430,7 +314,7 @@ static int tcm_qla2xxx_check_stop_free(struct se_cmd *se_cmd)
cmd->cmd_flags |= BIT_14;
}
- return target_put_sess_cmd(se_cmd->se_sess, se_cmd);
+ return target_put_sess_cmd(se_cmd);
}
/* tcm_qla2xxx_release_cmd - Callback from TCM Core to release underlying
@@ -534,19 +418,6 @@ static void tcm_qla2xxx_set_default_node_attrs(struct se_node_acl *nacl)
return;
}
-static u32 tcm_qla2xxx_get_task_tag(struct se_cmd *se_cmd)
-{
- struct qla_tgt_cmd *cmd;
-
- /* check for task mgmt cmd */
- if (se_cmd->se_cmd_flags & SCF_SCSI_TMR_CDB)
- return 0xffffffff;
-
- cmd = container_of(se_cmd, struct qla_tgt_cmd, se_cmd);
-
- return cmd->tag;
-}
-
static int tcm_qla2xxx_get_cmd_state(struct se_cmd *se_cmd)
{
return 0;
@@ -827,17 +698,6 @@ static void tcm_qla2xxx_release_session(struct kref *kref)
qlt_unreg_sess(se_sess->fabric_sess_ptr);
}
-static void tcm_qla2xxx_put_session(struct se_session *se_sess)
-{
- struct qla_tgt_sess *sess = se_sess->fabric_sess_ptr;
- struct qla_hw_data *ha = sess->vha->hw;
- unsigned long flags;
-
- spin_lock_irqsave(&ha->hardware_lock, flags);
- kref_put(&se_sess->sess_kref, tcm_qla2xxx_release_session);
- spin_unlock_irqrestore(&ha->hardware_lock, flags);
-}
-
static void tcm_qla2xxx_put_sess(struct qla_tgt_sess *sess)
{
if (!sess)
@@ -853,53 +713,20 @@ static void tcm_qla2xxx_shutdown_sess(struct qla_tgt_sess *sess)
target_sess_cmd_list_set_waiting(sess->se_sess);
}
-static struct se_node_acl *tcm_qla2xxx_make_nodeacl(
- struct se_portal_group *se_tpg,
- struct config_group *group,
- const char *name)
+static int tcm_qla2xxx_init_nodeacl(struct se_node_acl *se_nacl,
+ const char *name)
{
- struct se_node_acl *se_nacl, *se_nacl_new;
- struct tcm_qla2xxx_nacl *nacl;
+ struct tcm_qla2xxx_nacl *nacl =
+ container_of(se_nacl, struct tcm_qla2xxx_nacl, se_node_acl);
u64 wwnn;
- u32 qla2xxx_nexus_depth;
if (tcm_qla2xxx_parse_wwn(name, &wwnn, 1) < 0)
- return ERR_PTR(-EINVAL);
-
- se_nacl_new = tcm_qla2xxx_alloc_fabric_acl(se_tpg);
- if (!se_nacl_new)
- return ERR_PTR(-ENOMEM);
-/* #warning FIXME: Hardcoded qla2xxx_nexus depth in tcm_qla2xxx_make_nodeacl */
- qla2xxx_nexus_depth = 1;
+ return -EINVAL;
- /*
- * se_nacl_new may be released by core_tpg_add_initiator_node_acl()
- * when converting a NodeACL from demo mode -> explict
- */
- se_nacl = core_tpg_add_initiator_node_acl(se_tpg, se_nacl_new,
- name, qla2xxx_nexus_depth);
- if (IS_ERR(se_nacl)) {
- tcm_qla2xxx_release_fabric_acl(se_tpg, se_nacl_new);
- return se_nacl;
- }
- /*
- * Locate our struct tcm_qla2xxx_nacl and set the FC Nport WWPN
- */
- nacl = container_of(se_nacl, struct tcm_qla2xxx_nacl, se_node_acl);
nacl->nport_wwnn = wwnn;
tcm_qla2xxx_format_wwn(&nacl->nport_name[0], TCM_QLA2XXX_NAMELEN, wwnn);
- return se_nacl;
-}
-
-static void tcm_qla2xxx_drop_nodeacl(struct se_node_acl *se_acl)
-{
- struct se_portal_group *se_tpg = se_acl->se_tpg;
- struct tcm_qla2xxx_nacl *nacl = container_of(se_acl,
- struct tcm_qla2xxx_nacl, se_node_acl);
-
- core_tpg_del_initiator_node_acl(se_tpg, se_acl, 1);
- kfree(nacl);
+ return 0;
}
/* Start items for tcm_qla2xxx_tpg_attrib_cit */
@@ -1175,8 +1002,7 @@ static struct se_portal_group *tcm_qla2xxx_make_tpg(
tpg->tpg_attrib.cache_dynamic_acls = 1;
tpg->tpg_attrib.demo_mode_login_only = 1;
- ret = core_tpg_register(&tcm_qla2xxx_ops, wwn,
- &tpg->se_tpg, tpg, TRANSPORT_TPG_TYPE_NORMAL);
+ ret = core_tpg_register(wwn, &tpg->se_tpg, SCSI_PROTOCOL_FCP);
if (ret < 0) {
kfree(tpg);
return NULL;
@@ -1295,8 +1121,7 @@ static struct se_portal_group *tcm_qla2xxx_npiv_make_tpg(
tpg->tpg_attrib.cache_dynamic_acls = 1;
tpg->tpg_attrib.demo_mode_login_only = 1;
- ret = core_tpg_register(&tcm_qla2xxx_npiv_ops, wwn,
- &tpg->se_tpg, tpg, TRANSPORT_TPG_TYPE_NORMAL);
+ ret = core_tpg_register(wwn, &tpg->se_tpg, SCSI_PROTOCOL_FCP);
if (ret < 0) {
kfree(tpg);
return NULL;
@@ -1988,14 +1813,10 @@ static struct configfs_attribute *tcm_qla2xxx_wwn_attrs[] = {
static const struct target_core_fabric_ops tcm_qla2xxx_ops = {
.module = THIS_MODULE,
.name = "qla2xxx",
+ .node_acl_size = sizeof(struct tcm_qla2xxx_nacl),
.get_fabric_name = tcm_qla2xxx_get_fabric_name,
- .get_fabric_proto_ident = tcm_qla2xxx_get_fabric_proto_ident,
.tpg_get_wwn = tcm_qla2xxx_get_fabric_wwn,
.tpg_get_tag = tcm_qla2xxx_get_tag,
- .tpg_get_default_depth = tcm_qla2xxx_get_default_depth,
- .tpg_get_pr_transport_id = tcm_qla2xxx_get_pr_transport_id,
- .tpg_get_pr_transport_id_len = tcm_qla2xxx_get_pr_transport_id_len,
- .tpg_parse_pr_out_transport_id = tcm_qla2xxx_parse_pr_out_transport_id,
.tpg_check_demo_mode = tcm_qla2xxx_check_demo_mode,
.tpg_check_demo_mode_cache = tcm_qla2xxx_check_demo_mode_cache,
.tpg_check_demo_mode_write_protect =
@@ -2004,12 +1825,9 @@ static const struct target_core_fabric_ops tcm_qla2xxx_ops = {
tcm_qla2xxx_check_prod_write_protect,
.tpg_check_prot_fabric_only = tcm_qla2xxx_check_prot_fabric_only,
.tpg_check_demo_mode_login_only = tcm_qla2xxx_check_demo_mode_login_only,
- .tpg_alloc_fabric_acl = tcm_qla2xxx_alloc_fabric_acl,
- .tpg_release_fabric_acl = tcm_qla2xxx_release_fabric_acl,
.tpg_get_inst_index = tcm_qla2xxx_tpg_get_inst_index,
.check_stop_free = tcm_qla2xxx_check_stop_free,
.release_cmd = tcm_qla2xxx_release_cmd,
- .put_session = tcm_qla2xxx_put_session,
.shutdown_session = tcm_qla2xxx_shutdown_session,
.close_session = tcm_qla2xxx_close_session,
.sess_get_index = tcm_qla2xxx_sess_get_index,
@@ -2017,7 +1835,6 @@ static const struct target_core_fabric_ops tcm_qla2xxx_ops = {
.write_pending = tcm_qla2xxx_write_pending,
.write_pending_status = tcm_qla2xxx_write_pending_status,
.set_default_node_attributes = tcm_qla2xxx_set_default_node_attrs,
- .get_task_tag = tcm_qla2xxx_get_task_tag,
.get_cmd_state = tcm_qla2xxx_get_cmd_state,
.queue_data_in = tcm_qla2xxx_queue_data_in,
.queue_status = tcm_qla2xxx_queue_status,
@@ -2031,12 +1848,7 @@ static const struct target_core_fabric_ops tcm_qla2xxx_ops = {
.fabric_drop_wwn = tcm_qla2xxx_drop_lport,
.fabric_make_tpg = tcm_qla2xxx_make_tpg,
.fabric_drop_tpg = tcm_qla2xxx_drop_tpg,
- .fabric_post_link = NULL,
- .fabric_pre_unlink = NULL,
- .fabric_make_np = NULL,
- .fabric_drop_np = NULL,
- .fabric_make_nodeacl = tcm_qla2xxx_make_nodeacl,
- .fabric_drop_nodeacl = tcm_qla2xxx_drop_nodeacl,
+ .fabric_init_nodeacl = tcm_qla2xxx_init_nodeacl,
.tfc_wwn_attrs = tcm_qla2xxx_wwn_attrs,
.tfc_tpg_base_attrs = tcm_qla2xxx_tpg_attrs,
@@ -2046,26 +1858,19 @@ static const struct target_core_fabric_ops tcm_qla2xxx_ops = {
static const struct target_core_fabric_ops tcm_qla2xxx_npiv_ops = {
.module = THIS_MODULE,
.name = "qla2xxx_npiv",
+ .node_acl_size = sizeof(struct tcm_qla2xxx_nacl),
.get_fabric_name = tcm_qla2xxx_npiv_get_fabric_name,
- .get_fabric_proto_ident = tcm_qla2xxx_get_fabric_proto_ident,
.tpg_get_wwn = tcm_qla2xxx_get_fabric_wwn,
.tpg_get_tag = tcm_qla2xxx_get_tag,
- .tpg_get_default_depth = tcm_qla2xxx_get_default_depth,
- .tpg_get_pr_transport_id = tcm_qla2xxx_get_pr_transport_id,
- .tpg_get_pr_transport_id_len = tcm_qla2xxx_get_pr_transport_id_len,
- .tpg_parse_pr_out_transport_id = tcm_qla2xxx_parse_pr_out_transport_id,
.tpg_check_demo_mode = tcm_qla2xxx_check_demo_mode,
.tpg_check_demo_mode_cache = tcm_qla2xxx_check_demo_mode_cache,
.tpg_check_demo_mode_write_protect = tcm_qla2xxx_check_demo_mode,
.tpg_check_prod_mode_write_protect =
tcm_qla2xxx_check_prod_write_protect,
.tpg_check_demo_mode_login_only = tcm_qla2xxx_check_demo_mode_login_only,
- .tpg_alloc_fabric_acl = tcm_qla2xxx_alloc_fabric_acl,
- .tpg_release_fabric_acl = tcm_qla2xxx_release_fabric_acl,
.tpg_get_inst_index = tcm_qla2xxx_tpg_get_inst_index,
.check_stop_free = tcm_qla2xxx_check_stop_free,
.release_cmd = tcm_qla2xxx_release_cmd,
- .put_session = tcm_qla2xxx_put_session,
.shutdown_session = tcm_qla2xxx_shutdown_session,
.close_session = tcm_qla2xxx_close_session,
.sess_get_index = tcm_qla2xxx_sess_get_index,
@@ -2073,7 +1878,6 @@ static const struct target_core_fabric_ops tcm_qla2xxx_npiv_ops = {
.write_pending = tcm_qla2xxx_write_pending,
.write_pending_status = tcm_qla2xxx_write_pending_status,
.set_default_node_attributes = tcm_qla2xxx_set_default_node_attrs,
- .get_task_tag = tcm_qla2xxx_get_task_tag,
.get_cmd_state = tcm_qla2xxx_get_cmd_state,
.queue_data_in = tcm_qla2xxx_queue_data_in,
.queue_status = tcm_qla2xxx_queue_status,
@@ -2087,12 +1891,7 @@ static const struct target_core_fabric_ops tcm_qla2xxx_npiv_ops = {
.fabric_drop_wwn = tcm_qla2xxx_npiv_drop_lport,
.fabric_make_tpg = tcm_qla2xxx_npiv_make_tpg,
.fabric_drop_tpg = tcm_qla2xxx_drop_tpg,
- .fabric_post_link = NULL,
- .fabric_pre_unlink = NULL,
- .fabric_make_np = NULL,
- .fabric_drop_np = NULL,
- .fabric_make_nodeacl = tcm_qla2xxx_make_nodeacl,
- .fabric_drop_nodeacl = tcm_qla2xxx_drop_nodeacl,
+ .fabric_init_nodeacl = tcm_qla2xxx_init_nodeacl,
.tfc_wwn_attrs = tcm_qla2xxx_wwn_attrs,
.tfc_tpg_base_attrs = tcm_qla2xxx_npiv_tpg_attrs,
diff --git a/drivers/scsi/qla2xxx/tcm_qla2xxx.h b/drivers/scsi/qla2xxx/tcm_qla2xxx.h
index 23295115c9fc60d7ece0b7448e99fe31c2acf6cc..3bbf4cb6fd97e5c9f68fb61e633c7a222f76422c 100644
--- a/drivers/scsi/qla2xxx/tcm_qla2xxx.h
+++ b/drivers/scsi/qla2xxx/tcm_qla2xxx.h
@@ -13,6 +13,8 @@
#include "qla_target.h"
struct tcm_qla2xxx_nacl {
+ struct se_node_acl se_node_acl;
+
/* From libfc struct fc_rport->port_id */
u32 nport_id;
/* Binary World Wide unique Node Name for remote FC Initiator Nport */
@@ -23,8 +25,6 @@ struct tcm_qla2xxx_nacl {
struct qla_tgt_sess *qla_tgt_sess;
/* Pointer to TCM FC nexus */
struct se_session *nport_nexus;
- /* Returned by tcm_qla2xxx_make_nodeacl() */
- struct se_node_acl se_node_acl;
};
struct tcm_qla2xxx_tpg_attrib {
@@ -57,8 +57,6 @@ struct tcm_qla2xxx_fc_loopid {
};
struct tcm_qla2xxx_lport {
- /* SCSI protocol the lport is providing */
- u8 lport_proto_id;
/* Binary World Wide unique Port Name for FC Target Lport */
u64 lport_wwpn;
/* Binary World Wide unique Port Name for FC NPIV Target Lport */
diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c
index a3fba366cebe457bc1a59a5006ff5290752d667a..4e68b62193ed7781d3c32f4160878809acfc546d 100644
--- a/drivers/target/iscsi/iscsi_target.c
+++ b/drivers/target/iscsi/iscsi_target.c
@@ -29,7 +29,6 @@
#include <scsi/scsi_tcq.h>
#include <target/target_core_base.h>
#include <target/target_core_fabric.h>
-#include <target/target_core_configfs.h>
#include <target/iscsi/iscsi_target_core.h>
#include "iscsi_target_parameters.h"
@@ -716,7 +715,7 @@ static int iscsit_add_reject_from_cmd(
*/
if (cmd->se_cmd.se_tfo != NULL) {
pr_debug("iscsi reject: calling target_put_sess_cmd >>>>>>\n");
- target_put_sess_cmd(conn->sess->se_sess, &cmd->se_cmd);
+ target_put_sess_cmd(&cmd->se_cmd);
}
return -1;
}
@@ -1002,13 +1001,15 @@ int iscsit_setup_scsi_cmd(struct iscsi_conn *conn, struct iscsi_cmd *cmd,
hdr->cmdsn, be32_to_cpu(hdr->data_length), payload_length,
conn->cid);
- target_get_sess_cmd(conn->sess->se_sess, &cmd->se_cmd, true);
+ target_get_sess_cmd(&cmd->se_cmd, true);
cmd->sense_reason = transport_lookup_cmd_lun(&cmd->se_cmd,
scsilun_to_int(&hdr->lun));
if (cmd->sense_reason)
goto attach_cmd;
+ /* only used for printks or comparing with ->ref_task_tag */
+ cmd->se_cmd.tag = (__force u32)cmd->init_task_tag;
cmd->sense_reason = target_setup_cmd_from_cdb(&cmd->se_cmd, hdr->cdb);
if (cmd->sense_reason) {
if (cmd->sense_reason == TCM_OUT_OF_RESOURCES) {
@@ -1068,7 +1069,7 @@ int iscsit_process_scsi_cmd(struct iscsi_conn *conn, struct iscsi_cmd *cmd,
if (cmdsn_ret == CMDSN_ERROR_CANNOT_RECOVER)
return -1;
else if (cmdsn_ret == CMDSN_LOWER_THAN_EXP) {
- target_put_sess_cmd(conn->sess->se_sess, &cmd->se_cmd);
+ target_put_sess_cmd(&cmd->se_cmd);
return 0;
}
}
@@ -1084,7 +1085,7 @@ int iscsit_process_scsi_cmd(struct iscsi_conn *conn, struct iscsi_cmd *cmd,
if (!cmd->sense_reason)
return 0;
- target_put_sess_cmd(conn->sess->se_sess, &cmd->se_cmd);
+ target_put_sess_cmd(&cmd->se_cmd);
return 0;
}
@@ -1115,7 +1116,6 @@ static int
iscsit_get_immediate_data(struct iscsi_cmd *cmd, struct iscsi_scsi_req *hdr,
bool dump_payload)
{
- struct iscsi_conn *conn = cmd->conn;
int cmdsn_ret = 0, immed_ret = IMMEDIATE_DATA_NORMAL_OPERATION;
/*
* Special case for Unsupported SAM WRITE Opcodes and ImmediateData=Yes.
@@ -1142,7 +1142,7 @@ iscsit_get_immediate_data(struct iscsi_cmd *cmd, struct iscsi_scsi_req *hdr,
rc = iscsit_dump_data_payload(cmd->conn,
cmd->first_burst_len, 1);
- target_put_sess_cmd(conn->sess->se_sess, &cmd->se_cmd);
+ target_put_sess_cmd(&cmd->se_cmd);
return rc;
} else if (cmd->unsolicited_data)
iscsit_set_unsoliticed_dataout(cmd);
@@ -1811,7 +1811,7 @@ iscsit_handle_task_mgt_cmd(struct iscsi_conn *conn, struct iscsi_cmd *cmd,
conn->sess->se_sess, 0, DMA_NONE,
TCM_SIMPLE_TAG, cmd->sense_buffer + 2);
- target_get_sess_cmd(conn->sess->se_sess, &cmd->se_cmd, true);
+ target_get_sess_cmd(&cmd->se_cmd, true);
sess_ref = true;
switch (function) {
@@ -1953,7 +1953,7 @@ iscsit_handle_task_mgt_cmd(struct iscsi_conn *conn, struct iscsi_cmd *cmd,
*/
if (sess_ref) {
pr_debug("Handle TMR, using sess_ref=true check\n");
- target_put_sess_cmd(conn->sess->se_sess, &cmd->se_cmd);
+ target_put_sess_cmd(&cmd->se_cmd);
}
iscsit_add_cmd_to_response_queue(cmd, conn, cmd->i_state);
@@ -2737,11 +2737,7 @@ static int iscsit_send_datain(struct iscsi_cmd *cmd, struct iscsi_conn *conn)
cmd->iov_data_count = iov_count;
cmd->tx_size = tx_size;
- /* sendpage is preferred but can't insert markers */
- if (!conn->conn_ops->IFMarker)
- ret = iscsit_fe_sendpage_sg(cmd, conn);
- else
- ret = iscsit_send_tx_data(cmd, conn, 0);
+ ret = iscsit_fe_sendpage_sg(cmd, conn);
iscsit_unmap_iovec(cmd);
@@ -4073,17 +4069,9 @@ static int iscsi_target_rx_opcode(struct iscsi_conn *conn, unsigned char *buf)
" opcode while ERL=0, closing iSCSI connection.\n");
return -1;
}
- if (!conn->conn_ops->OFMarker) {
- pr_err("Unable to recover from unknown"
- " opcode while OFMarker=No, closing iSCSI"
- " connection.\n");
- return -1;
- }
- if (iscsit_recover_from_unknown_opcode(conn) < 0) {
- pr_err("Unable to recover from unknown"
- " opcode, closing iSCSI connection.\n");
- return -1;
- }
+ pr_err("Unable to recover from unknown opcode while OFMarker=No,"
+ " closing iSCSI connection.\n");
+ ret = -1;
break;
}
diff --git a/drivers/target/iscsi/iscsi_target_configfs.c b/drivers/target/iscsi/iscsi_target_configfs.c
index 469fce44ebad50a9efda5345fa6135af733d74ca..c1898c84b3d25e3630c012d97d9cfa6270e7d414 100644
--- a/drivers/target/iscsi/iscsi_target_configfs.c
+++ b/drivers/target/iscsi/iscsi_target_configfs.c
@@ -24,7 +24,6 @@
#include <target/target_core_base.h>
#include <target/target_core_fabric.h>
#include <target/target_core_fabric_configfs.h>
-#include <target/target_core_configfs.h>
#include <target/configfs_macros.h>
#include <target/iscsi/iscsi_transport.h>
@@ -860,57 +859,19 @@ static struct configfs_attribute *lio_target_initiator_attrs[] = {
NULL,
};
-static struct se_node_acl *lio_tpg_alloc_fabric_acl(
- struct se_portal_group *se_tpg)
+static int lio_target_init_nodeacl(struct se_node_acl *se_nacl,
+ const char *name)
{
- struct iscsi_node_acl *acl;
-
- acl = kzalloc(sizeof(struct iscsi_node_acl), GFP_KERNEL);
- if (!acl) {
- pr_err("Unable to allocate memory for struct iscsi_node_acl\n");
- return NULL;
- }
-
- return &acl->se_node_acl;
-}
-
-static struct se_node_acl *lio_target_make_nodeacl(
- struct se_portal_group *se_tpg,
- struct config_group *group,
- const char *name)
-{
- struct config_group *stats_cg;
- struct iscsi_node_acl *acl;
- struct se_node_acl *se_nacl_new, *se_nacl;
- struct iscsi_portal_group *tpg = container_of(se_tpg,
- struct iscsi_portal_group, tpg_se_tpg);
- u32 cmdsn_depth;
-
- se_nacl_new = lio_tpg_alloc_fabric_acl(se_tpg);
- if (!se_nacl_new)
- return ERR_PTR(-ENOMEM);
-
- cmdsn_depth = tpg->tpg_attrib.default_cmdsn_depth;
- /*
- * se_nacl_new may be released by core_tpg_add_initiator_node_acl()
- * when converting a NdoeACL from demo mode -> explict
- */
- se_nacl = core_tpg_add_initiator_node_acl(se_tpg, se_nacl_new,
- name, cmdsn_depth);
- if (IS_ERR(se_nacl))
- return se_nacl;
-
- acl = container_of(se_nacl, struct iscsi_node_acl, se_node_acl);
- stats_cg = &se_nacl->acl_fabric_stat_group;
+ struct iscsi_node_acl *acl =
+ container_of(se_nacl, struct iscsi_node_acl, se_node_acl);
+ struct config_group *stats_cg = &se_nacl->acl_fabric_stat_group;
stats_cg->default_groups = kmalloc(sizeof(struct config_group *) * 2,
GFP_KERNEL);
if (!stats_cg->default_groups) {
pr_err("Unable to allocate memory for"
" stats_cg->default_groups\n");
- core_tpg_del_initiator_node_acl(se_tpg, se_nacl, 1);
- kfree(acl);
- return ERR_PTR(-ENOMEM);
+ return -ENOMEM;
}
stats_cg->default_groups[0] = &acl->node_stat_grps.iscsi_sess_stats_group;
@@ -918,13 +879,11 @@ static struct se_node_acl *lio_target_make_nodeacl(
config_group_init_type_name(&acl->node_stat_grps.iscsi_sess_stats_group,
"iscsi_sess_stats", &iscsi_stat_sess_cit);
- return se_nacl;
+ return 0;
}
-static void lio_target_drop_nodeacl(
- struct se_node_acl *se_nacl)
+static void lio_target_cleanup_nodeacl( struct se_node_acl *se_nacl)
{
- struct se_portal_group *se_tpg = se_nacl->se_tpg;
struct iscsi_node_acl *acl = container_of(se_nacl,
struct iscsi_node_acl, se_node_acl);
struct config_item *df_item;
@@ -938,9 +897,6 @@ static void lio_target_drop_nodeacl(
config_item_put(df_item);
}
kfree(stats_cg->default_groups);
-
- core_tpg_del_initiator_node_acl(se_tpg, se_nacl, 1);
- kfree(acl);
}
/* End items for lio_target_acl_cit */
@@ -1463,8 +1419,7 @@ static struct se_portal_group *lio_target_tiqn_addtpg(
if (!tpg)
return NULL;
- ret = core_tpg_register(&iscsi_ops, wwn, &tpg->tpg_se_tpg,
- tpg, TRANSPORT_TPG_TYPE_NORMAL);
+ ret = core_tpg_register(wwn, &tpg->tpg_se_tpg, SCSI_PROTOCOL_ISCSI);
if (ret < 0)
return NULL;
@@ -1735,14 +1690,6 @@ static char *iscsi_get_fabric_name(void)
return "iSCSI";
}
-static u32 iscsi_get_task_tag(struct se_cmd *se_cmd)
-{
- struct iscsi_cmd *cmd = container_of(se_cmd, struct iscsi_cmd, se_cmd);
-
- /* only used for printks or comparism with ->ref_task_tag */
- return (__force u32)cmd->init_task_tag;
-}
-
static int iscsi_get_cmd_state(struct se_cmd *se_cmd)
{
struct iscsi_cmd *cmd = container_of(se_cmd, struct iscsi_cmd, se_cmd);
@@ -1832,78 +1779,58 @@ static void lio_aborted_task(struct se_cmd *se_cmd)
cmd->conn->conn_transport->iscsit_aborted_task(cmd->conn, cmd);
}
-static char *lio_tpg_get_endpoint_wwn(struct se_portal_group *se_tpg)
+static inline struct iscsi_portal_group *iscsi_tpg(struct se_portal_group *se_tpg)
{
- struct iscsi_portal_group *tpg = se_tpg->se_tpg_fabric_ptr;
+ return container_of(se_tpg, struct iscsi_portal_group, tpg_se_tpg);
+}
- return &tpg->tpg_tiqn->tiqn[0];
+static char *lio_tpg_get_endpoint_wwn(struct se_portal_group *se_tpg)
+{
+ return iscsi_tpg(se_tpg)->tpg_tiqn->tiqn;
}
static u16 lio_tpg_get_tag(struct se_portal_group *se_tpg)
{
- struct iscsi_portal_group *tpg = se_tpg->se_tpg_fabric_ptr;
-
- return tpg->tpgt;
+ return iscsi_tpg(se_tpg)->tpgt;
}
static u32 lio_tpg_get_default_depth(struct se_portal_group *se_tpg)
{
- struct iscsi_portal_group *tpg = se_tpg->se_tpg_fabric_ptr;
-
- return tpg->tpg_attrib.default_cmdsn_depth;
+ return iscsi_tpg(se_tpg)->tpg_attrib.default_cmdsn_depth;
}
static int lio_tpg_check_demo_mode(struct se_portal_group *se_tpg)
{
- struct iscsi_portal_group *tpg = se_tpg->se_tpg_fabric_ptr;
-
- return tpg->tpg_attrib.generate_node_acls;
+ return iscsi_tpg(se_tpg)->tpg_attrib.generate_node_acls;
}
static int lio_tpg_check_demo_mode_cache(struct se_portal_group *se_tpg)
{
- struct iscsi_portal_group *tpg = se_tpg->se_tpg_fabric_ptr;
-
- return tpg->tpg_attrib.cache_dynamic_acls;
+ return iscsi_tpg(se_tpg)->tpg_attrib.cache_dynamic_acls;
}
static int lio_tpg_check_demo_mode_write_protect(
struct se_portal_group *se_tpg)
{
- struct iscsi_portal_group *tpg = se_tpg->se_tpg_fabric_ptr;
-
- return tpg->tpg_attrib.demo_mode_write_protect;
+ return iscsi_tpg(se_tpg)->tpg_attrib.demo_mode_write_protect;
}
static int lio_tpg_check_prod_mode_write_protect(
struct se_portal_group *se_tpg)
{
- struct iscsi_portal_group *tpg = se_tpg->se_tpg_fabric_ptr;
-
- return tpg->tpg_attrib.prod_mode_write_protect;
+ return iscsi_tpg(se_tpg)->tpg_attrib.prod_mode_write_protect;
}
static int lio_tpg_check_prot_fabric_only(
struct se_portal_group *se_tpg)
{
- struct iscsi_portal_group *tpg = se_tpg->se_tpg_fabric_ptr;
/*
* Only report fabric_prot_type if t10_pi has also been enabled
* for incoming ib_isert sessions.
*/
- if (!tpg->tpg_attrib.t10_pi)
+ if (!iscsi_tpg(se_tpg)->tpg_attrib.t10_pi)
return 0;
-
- return tpg->tpg_attrib.fabric_prot_type;
-}
-
-static void lio_tpg_release_fabric_acl(
- struct se_portal_group *se_tpg,
- struct se_node_acl *se_acl)
-{
- struct iscsi_node_acl *acl = container_of(se_acl,
- struct iscsi_node_acl, se_node_acl);
- kfree(acl);
+ return iscsi_tpg(se_tpg)->tpg_attrib.fabric_prot_type;
}
/*
@@ -1948,9 +1875,7 @@ static void lio_tpg_close_session(struct se_session *se_sess)
static u32 lio_tpg_get_inst_index(struct se_portal_group *se_tpg)
{
- struct iscsi_portal_group *tpg = se_tpg->se_tpg_fabric_ptr;
-
- return tpg->tpg_tiqn->tiqn_index;
+ return iscsi_tpg(se_tpg)->tpg_tiqn->tiqn_index;
}
static void lio_set_default_node_attributes(struct se_node_acl *se_acl)
@@ -1967,7 +1892,7 @@ static void lio_set_default_node_attributes(struct se_node_acl *se_acl)
static int lio_check_stop_free(struct se_cmd *se_cmd)
{
- return target_put_sess_cmd(se_cmd->se_sess, se_cmd);
+ return target_put_sess_cmd(se_cmd);
}
static void lio_release_cmd(struct se_cmd *se_cmd)
@@ -1981,14 +1906,11 @@ static void lio_release_cmd(struct se_cmd *se_cmd)
const struct target_core_fabric_ops iscsi_ops = {
.module = THIS_MODULE,
.name = "iscsi",
+ .node_acl_size = sizeof(struct iscsi_node_acl),
.get_fabric_name = iscsi_get_fabric_name,
- .get_fabric_proto_ident = iscsi_get_fabric_proto_ident,
.tpg_get_wwn = lio_tpg_get_endpoint_wwn,
.tpg_get_tag = lio_tpg_get_tag,
.tpg_get_default_depth = lio_tpg_get_default_depth,
- .tpg_get_pr_transport_id = iscsi_get_pr_transport_id,
- .tpg_get_pr_transport_id_len = iscsi_get_pr_transport_id_len,
- .tpg_parse_pr_out_transport_id = iscsi_parse_pr_out_transport_id,
.tpg_check_demo_mode = lio_tpg_check_demo_mode,
.tpg_check_demo_mode_cache = lio_tpg_check_demo_mode_cache,
.tpg_check_demo_mode_write_protect =
@@ -1996,8 +1918,6 @@ const struct target_core_fabric_ops iscsi_ops = {
.tpg_check_prod_mode_write_protect =
lio_tpg_check_prod_mode_write_protect,
.tpg_check_prot_fabric_only = &lio_tpg_check_prot_fabric_only,
- .tpg_alloc_fabric_acl = lio_tpg_alloc_fabric_acl,
- .tpg_release_fabric_acl = lio_tpg_release_fabric_acl,
.tpg_get_inst_index = lio_tpg_get_inst_index,
.check_stop_free = lio_check_stop_free,
.release_cmd = lio_release_cmd,
@@ -2008,7 +1928,6 @@ const struct target_core_fabric_ops iscsi_ops = {
.write_pending = lio_write_pending,
.write_pending_status = lio_write_pending_status,
.set_default_node_attributes = lio_set_default_node_attributes,
- .get_task_tag = iscsi_get_task_tag,
.get_cmd_state = iscsi_get_cmd_state,
.queue_data_in = lio_queue_data_in,
.queue_status = lio_queue_status,
@@ -2020,8 +1939,8 @@ const struct target_core_fabric_ops iscsi_ops = {
.fabric_drop_tpg = lio_target_tiqn_deltpg,
.fabric_make_np = lio_target_call_addnptotpg,
.fabric_drop_np = lio_target_call_delnpfromtpg,
- .fabric_make_nodeacl = lio_target_make_nodeacl,
- .fabric_drop_nodeacl = lio_target_drop_nodeacl,
+ .fabric_init_nodeacl = lio_target_init_nodeacl,
+ .fabric_cleanup_nodeacl = lio_target_cleanup_nodeacl,
.tfc_discovery_attrs = lio_target_discovery_auth_attrs,
.tfc_wwn_attrs = lio_target_wwn_attrs,
diff --git a/drivers/target/iscsi/iscsi_target_erl0.c b/drivers/target/iscsi/iscsi_target_erl0.c
index 959a14c9dd5d65f1cbd3ff4e37a8d3480ee9f177..210f6e4830e37a4341fd5e611a87168521932b7a 100644
--- a/drivers/target/iscsi/iscsi_target_erl0.c
+++ b/drivers/target/iscsi/iscsi_target_erl0.c
@@ -956,56 +956,3 @@ void iscsit_take_action_for_connection_exit(struct iscsi_conn *conn)
iscsit_handle_connection_cleanup(conn);
}
-
-/*
- * This is the simple function that makes the magic of
- * sync and steering happen in the follow paradoxical order:
- *
- * 0) Receive conn->of_marker (bytes left until next OFMarker)
- * bytes into an offload buffer. When we pass the exact number
- * of bytes in conn->of_marker, iscsit_dump_data_payload() and hence
- * rx_data() will automatically receive the identical u32 marker
- * values and store it in conn->of_marker_offset;
- * 1) Now conn->of_marker_offset will contain the offset to the start
- * of the next iSCSI PDU. Dump these remaining bytes into another
- * offload buffer.
- * 2) We are done!
- * Next byte in the TCP stream will contain the next iSCSI PDU!
- * Cool Huh?!
- */
-int iscsit_recover_from_unknown_opcode(struct iscsi_conn *conn)
-{
- /*
- * Make sure the remaining bytes to next maker is a sane value.
- */
- if (conn->of_marker > (conn->conn_ops->OFMarkInt * 4)) {
- pr_err("Remaining bytes to OFMarker: %u exceeds"
- " OFMarkInt bytes: %u.\n", conn->of_marker,
- conn->conn_ops->OFMarkInt * 4);
- return -1;
- }
-
- pr_debug("Advancing %u bytes in TCP stream to get to the"
- " next OFMarker.\n", conn->of_marker);
-
- if (iscsit_dump_data_payload(conn, conn->of_marker, 0) < 0)
- return -1;
-
- /*
- * Make sure the offset marker we retrived is a valid value.
- */
- if (conn->of_marker_offset > (ISCSI_HDR_LEN + (ISCSI_CRC_LEN * 2) +
- conn->conn_ops->MaxRecvDataSegmentLength)) {
- pr_err("OfMarker offset value: %u exceeds limit.\n",
- conn->of_marker_offset);
- return -1;
- }
-
- pr_debug("Discarding %u bytes of TCP stream to get to the"
- " next iSCSI Opcode.\n", conn->of_marker_offset);
-
- if (iscsit_dump_data_payload(conn, conn->of_marker_offset, 0) < 0)
- return -1;
-
- return 0;
-}
diff --git a/drivers/target/iscsi/iscsi_target_erl0.h b/drivers/target/iscsi/iscsi_target_erl0.h
index 21acc9a063763b50a3b1029dcb02d4990f50461c..a9e2f9497fb22a1734ae27393e63fa351533f2d8 100644
--- a/drivers/target/iscsi/iscsi_target_erl0.h
+++ b/drivers/target/iscsi/iscsi_target_erl0.h
@@ -10,6 +10,5 @@ extern void iscsit_connection_reinstatement_rcfr(struct iscsi_conn *);
extern void iscsit_cause_connection_reinstatement(struct iscsi_conn *, int);
extern void iscsit_fall_back_to_erl0(struct iscsi_session *);
extern void iscsit_take_action_for_connection_exit(struct iscsi_conn *);
-extern int iscsit_recover_from_unknown_opcode(struct iscsi_conn *);
#endif /*** ISCSI_TARGET_ERL0_H ***/
diff --git a/drivers/target/iscsi/iscsi_target_login.c b/drivers/target/iscsi/iscsi_target_login.c
index 70d799dfab03c2e3b616b06a635c2a63e8941fda..3d0fe4ff55904d00a702958a82413a33873de888 100644
--- a/drivers/target/iscsi/iscsi_target_login.c
+++ b/drivers/target/iscsi/iscsi_target_login.c
@@ -410,8 +410,6 @@ static int iscsi_login_zero_tsih_s2(
if (iscsi_change_param_sprintf(conn, "ErrorRecoveryLevel=%d", na->default_erl))
return -1;
- if (iscsi_login_disable_FIM_keys(conn->param_list, conn) < 0)
- return -1;
/*
* Set RDMAExtensions=Yes by default for iSER enabled network portals
*/
@@ -477,59 +475,6 @@ static int iscsi_login_zero_tsih_s2(
return 0;
}
-/*
- * Remove PSTATE_NEGOTIATE for the four FIM related keys.
- * The Initiator node will be able to enable FIM by proposing them itself.
- */
-int iscsi_login_disable_FIM_keys(
- struct iscsi_param_list *param_list,
- struct iscsi_conn *conn)
-{
- struct iscsi_param *param;
-
- param = iscsi_find_param_from_key("OFMarker", param_list);
- if (!param) {
- pr_err("iscsi_find_param_from_key() for"
- " OFMarker failed\n");
- iscsit_tx_login_rsp(conn, ISCSI_STATUS_CLS_TARGET_ERR,
- ISCSI_LOGIN_STATUS_NO_RESOURCES);
- return -1;
- }
- param->state &= ~PSTATE_NEGOTIATE;
-
- param = iscsi_find_param_from_key("OFMarkInt", param_list);
- if (!param) {
- pr_err("iscsi_find_param_from_key() for"
- " IFMarker failed\n");
- iscsit_tx_login_rsp(conn, ISCSI_STATUS_CLS_TARGET_ERR,
- ISCSI_LOGIN_STATUS_NO_RESOURCES);
- return -1;
- }
- param->state &= ~PSTATE_NEGOTIATE;
-
- param = iscsi_find_param_from_key("IFMarker", param_list);
- if (!param) {
- pr_err("iscsi_find_param_from_key() for"
- " IFMarker failed\n");
- iscsit_tx_login_rsp(conn, ISCSI_STATUS_CLS_TARGET_ERR,
- ISCSI_LOGIN_STATUS_NO_RESOURCES);
- return -1;
- }
- param->state &= ~PSTATE_NEGOTIATE;
-
- param = iscsi_find_param_from_key("IFMarkInt", param_list);
- if (!param) {
- pr_err("iscsi_find_param_from_key() for"
- " IFMarker failed\n");
- iscsit_tx_login_rsp(conn, ISCSI_STATUS_CLS_TARGET_ERR,
- ISCSI_LOGIN_STATUS_NO_RESOURCES);
- return -1;
- }
- param->state &= ~PSTATE_NEGOTIATE;
-
- return 0;
-}
-
static int iscsi_login_non_zero_tsih_s1(
struct iscsi_conn *conn,
unsigned char *buf)
@@ -616,7 +561,7 @@ static int iscsi_login_non_zero_tsih_s2(
if (iscsi_change_param_sprintf(conn, "TargetPortalGroupTag=%hu", sess->tpg->tpgt))
return -1;
- return iscsi_login_disable_FIM_keys(conn->param_list, conn);
+ return 0;
}
int iscsi_login_post_auth_non_zero_tsih(
@@ -765,7 +710,6 @@ int iscsi_post_login_handler(
conn->conn_state = TARG_CONN_STATE_LOGGED_IN;
iscsi_set_connection_parameters(conn->conn_ops, conn->param_list);
- iscsit_set_sync_and_steering_values(conn);
/*
* SCSI Initiator -> SCSI Target Port Mapping
*/
diff --git a/drivers/target/iscsi/iscsi_target_login.h b/drivers/target/iscsi/iscsi_target_login.h
index 29d098324b7f947e553eade28ad2ccbecc8b887b..1c7358081533ad1e3fb0533f424fa7749feda7d5 100644
--- a/drivers/target/iscsi/iscsi_target_login.h
+++ b/drivers/target/iscsi/iscsi_target_login.h
@@ -16,6 +16,5 @@ extern int iscsi_post_login_handler(struct iscsi_np *, struct iscsi_conn *, u8);
extern void iscsi_target_login_sess_out(struct iscsi_conn *, struct iscsi_np *,
bool, bool);
extern int iscsi_target_login_thread(void *);
-extern int iscsi_login_disable_FIM_keys(struct iscsi_param_list *, struct iscsi_conn *);
#endif /*** ISCSI_TARGET_LOGIN_H ***/
diff --git a/drivers/target/iscsi/iscsi_target_parameters.c b/drivers/target/iscsi/iscsi_target_parameters.c
index d4f9e96456978eab75e280e123308db09f6e95d2..e8a52f7d6204fc7c3e68fe5ad24f8e393ed0e16b 100644
--- a/drivers/target/iscsi/iscsi_target_parameters.c
+++ b/drivers/target/iscsi/iscsi_target_parameters.c
@@ -34,13 +34,6 @@ int iscsi_login_rx_data(
iov.iov_len = length;
iov.iov_base = buf;
- /*
- * Initial Marker-less Interval.
- * Add the values regardless of IFMarker/OFMarker, considering
- * it may not be negoitated yet.
- */
- conn->of_marker += length;
-
rx_got = rx_data(conn, &iov, 1, length);
if (rx_got != length) {
pr_err("rx_data returned %d, expecting %d.\n",
@@ -72,13 +65,6 @@ int iscsi_login_tx_data(
iov_cnt++;
}
- /*
- * Initial Marker-less Interval.
- * Add the values regardless of IFMarker/OFMarker, considering
- * it may not be negoitated yet.
- */
- conn->if_marker += length;
-
tx_sent = tx_data(conn, &iov[0], iov_cnt, length);
if (tx_sent != length) {
pr_err("tx_data returned %d, expecting %d.\n",
@@ -97,12 +83,6 @@ void iscsi_dump_conn_ops(struct iscsi_conn_ops *conn_ops)
"CRC32C" : "None");
pr_debug("MaxRecvDataSegmentLength: %u\n",
conn_ops->MaxRecvDataSegmentLength);
- pr_debug("OFMarker: %s\n", (conn_ops->OFMarker) ? "Yes" : "No");
- pr_debug("IFMarker: %s\n", (conn_ops->IFMarker) ? "Yes" : "No");
- if (conn_ops->OFMarker)
- pr_debug("OFMarkInt: %u\n", conn_ops->OFMarkInt);
- if (conn_ops->IFMarker)
- pr_debug("IFMarkInt: %u\n", conn_ops->IFMarkInt);
}
void iscsi_dump_sess_ops(struct iscsi_sess_ops *sess_ops)
@@ -194,10 +174,6 @@ static struct iscsi_param *iscsi_set_default_param(struct iscsi_param_list *para
case TYPERANGE_DIGEST:
param->type = TYPE_VALUE_LIST | TYPE_STRING;
break;
- case TYPERANGE_MARKINT:
- param->type = TYPE_NUMBER_RANGE;
- param->type_range |= TYPERANGE_1_TO_65535;
- break;
case TYPERANGE_ISCSINAME:
case TYPERANGE_SESSIONTYPE:
case TYPERANGE_TARGETADDRESS:
@@ -422,13 +398,13 @@ int iscsi_create_default_params(struct iscsi_param_list **param_list_ptr)
param = iscsi_set_default_param(pl, IFMARKINT, INITIAL_IFMARKINT,
PHASE_OPERATIONAL, SCOPE_CONNECTION_ONLY, SENDER_BOTH,
- TYPERANGE_MARKINT, USE_INITIAL_ONLY);
+ TYPERANGE_UTF8, USE_INITIAL_ONLY);
if (!param)
goto out;
param = iscsi_set_default_param(pl, OFMARKINT, INITIAL_OFMARKINT,
PHASE_OPERATIONAL, SCOPE_CONNECTION_ONLY, SENDER_BOTH,
- TYPERANGE_MARKINT, USE_INITIAL_ONLY);
+ TYPERANGE_UTF8, USE_INITIAL_ONLY);
if (!param)
goto out;
/*
@@ -524,9 +500,9 @@ int iscsi_set_keys_to_negotiate(
} else if (!strcmp(param->name, OFMARKER)) {
SET_PSTATE_NEGOTIATE(param);
} else if (!strcmp(param->name, IFMARKINT)) {
- SET_PSTATE_NEGOTIATE(param);
+ SET_PSTATE_REJECT(param);
} else if (!strcmp(param->name, OFMARKINT)) {
- SET_PSTATE_NEGOTIATE(param);
+ SET_PSTATE_REJECT(param);
} else if (!strcmp(param->name, RDMAEXTENSIONS)) {
if (iser)
SET_PSTATE_NEGOTIATE(param);
@@ -906,91 +882,6 @@ static int iscsi_check_numerical_value(struct iscsi_param *param, char *value_pt
return 0;
}
-static int iscsi_check_numerical_range_value(struct iscsi_param *param, char *value)
-{
- char *left_val_ptr = NULL, *right_val_ptr = NULL;
- char *tilde_ptr = NULL;
- u32 left_val, right_val, local_left_val;
-
- if (strcmp(param->name, IFMARKINT) &&
- strcmp(param->name, OFMARKINT)) {
- pr_err("Only parameters \"%s\" or \"%s\" may contain a"
- " numerical range value.\n", IFMARKINT, OFMARKINT);
- return -1;
- }
-
- if (IS_PSTATE_PROPOSER(param))
- return 0;
-
- tilde_ptr = strchr(value, '~');
- if (!tilde_ptr) {
- pr_err("Unable to locate numerical range indicator"
- " \"~\" for \"%s\".\n", param->name);
- return -1;
- }
- *tilde_ptr = '\0';
-
- left_val_ptr = value;
- right_val_ptr = value + strlen(left_val_ptr) + 1;
-
- if (iscsi_check_numerical_value(param, left_val_ptr) < 0)
- return -1;
- if (iscsi_check_numerical_value(param, right_val_ptr) < 0)
- return -1;
-
- left_val = simple_strtoul(left_val_ptr, NULL, 0);
- right_val = simple_strtoul(right_val_ptr, NULL, 0);
- *tilde_ptr = '~';
-
- if (right_val < left_val) {
- pr_err("Numerical range for parameter \"%s\" contains"
- " a right value which is less than the left.\n",
- param->name);
- return -1;
- }
-
- /*
- * For now, enforce reasonable defaults for [I,O]FMarkInt.
- */
- tilde_ptr = strchr(param->value, '~');
- if (!tilde_ptr) {
- pr_err("Unable to locate numerical range indicator"
- " \"~\" for \"%s\".\n", param->name);
- return -1;
- }
- *tilde_ptr = '\0';
-
- left_val_ptr = param->value;
- right_val_ptr = param->value + strlen(left_val_ptr) + 1;
-
- local_left_val = simple_strtoul(left_val_ptr, NULL, 0);
- *tilde_ptr = '~';
-
- if (param->set_param) {
- if ((left_val < local_left_val) ||
- (right_val < local_left_val)) {
- pr_err("Passed value range \"%u~%u\" is below"
- " minimum left value \"%u\" for key \"%s\","
- " rejecting.\n", left_val, right_val,
- local_left_val, param->name);
- return -1;
- }
- } else {
- if ((left_val < local_left_val) &&
- (right_val < local_left_val)) {
- pr_err("Received value range \"%u~%u\" is"
- " below minimum left value \"%u\" for key"
- " \"%s\", rejecting.\n", left_val, right_val,
- local_left_val, param->name);
- SET_PSTATE_REJECT(param);
- if (iscsi_update_param_value(param, REJECT) < 0)
- return -1;
- }
- }
-
- return 0;
-}
-
static int iscsi_check_string_or_list_value(struct iscsi_param *param, char *value)
{
if (IS_PSTATE_PROPOSER(param))
@@ -1027,33 +918,6 @@ static int iscsi_check_string_or_list_value(struct iscsi_param *param, char *val
return 0;
}
-/*
- * This function is used to pick a value range number, currently just
- * returns the lesser of both right values.
- */
-static char *iscsi_get_value_from_number_range(
- struct iscsi_param *param,
- char *value)
-{
- char *end_ptr, *tilde_ptr1 = NULL, *tilde_ptr2 = NULL;
- u32 acceptor_right_value, proposer_right_value;
-
- tilde_ptr1 = strchr(value, '~');
- if (!tilde_ptr1)
- return NULL;
- *tilde_ptr1++ = '\0';
- proposer_right_value = simple_strtoul(tilde_ptr1, &end_ptr, 0);
-
- tilde_ptr2 = strchr(param->value, '~');
- if (!tilde_ptr2)
- return NULL;
- *tilde_ptr2++ = '\0';
- acceptor_right_value = simple_strtoul(tilde_ptr2, &end_ptr, 0);
-
- return (acceptor_right_value >= proposer_right_value) ?
- tilde_ptr1 : tilde_ptr2;
-}
-
static char *iscsi_check_valuelist_for_support(
struct iscsi_param *param,
char *value)
@@ -1103,7 +967,7 @@ static int iscsi_check_acceptor_state(struct iscsi_param *param, char *value,
struct iscsi_conn *conn)
{
u8 acceptor_boolean_value = 0, proposer_boolean_value = 0;
- char *negoitated_value = NULL;
+ char *negotiated_value = NULL;
if (IS_PSTATE_ACCEPTOR(param)) {
pr_err("Received key \"%s\" twice, protocol error.\n",
@@ -1203,24 +1067,16 @@ static int iscsi_check_acceptor_state(struct iscsi_param *param, char *value,
pr_debug("Updated %s to target MXDSL value: %s\n",
param->name, param->value);
}
-
- } else if (IS_TYPE_NUMBER_RANGE(param)) {
- negoitated_value = iscsi_get_value_from_number_range(
- param, value);
- if (!negoitated_value)
- return -1;
- if (iscsi_update_param_value(param, negoitated_value) < 0)
- return -1;
} else if (IS_TYPE_VALUE_LIST(param)) {
- negoitated_value = iscsi_check_valuelist_for_support(
+ negotiated_value = iscsi_check_valuelist_for_support(
param, value);
- if (!negoitated_value) {
+ if (!negotiated_value) {
pr_err("Proposer's value list \"%s\" contains"
" no valid values from Acceptor's value list"
" \"%s\".\n", value, param->value);
return -1;
}
- if (iscsi_update_param_value(param, negoitated_value) < 0)
+ if (iscsi_update_param_value(param, negotiated_value) < 0)
return -1;
} else if (IS_PHASE_DECLARATIVE(param)) {
if (iscsi_update_param_value(param, value) < 0)
@@ -1239,47 +1095,7 @@ static int iscsi_check_proposer_state(struct iscsi_param *param, char *value)
return -1;
}
- if (IS_TYPE_NUMBER_RANGE(param)) {
- u32 left_val = 0, right_val = 0, recieved_value = 0;
- char *left_val_ptr = NULL, *right_val_ptr = NULL;
- char *tilde_ptr = NULL;
-
- if (!strcmp(value, IRRELEVANT) || !strcmp(value, REJECT)) {
- if (iscsi_update_param_value(param, value) < 0)
- return -1;
- return 0;
- }
-
- tilde_ptr = strchr(value, '~');
- if (tilde_ptr) {
- pr_err("Illegal \"~\" in response for \"%s\".\n",
- param->name);
- return -1;
- }
- tilde_ptr = strchr(param->value, '~');
- if (!tilde_ptr) {
- pr_err("Unable to locate numerical range"
- " indicator \"~\" for \"%s\".\n", param->name);
- return -1;
- }
- *tilde_ptr = '\0';
-
- left_val_ptr = param->value;
- right_val_ptr = param->value + strlen(left_val_ptr) + 1;
- left_val = simple_strtoul(left_val_ptr, NULL, 0);
- right_val = simple_strtoul(right_val_ptr, NULL, 0);
- recieved_value = simple_strtoul(value, NULL, 0);
-
- *tilde_ptr = '~';
-
- if ((recieved_value < left_val) ||
- (recieved_value > right_val)) {
- pr_err("Illegal response \"%s=%u\", value must"
- " be between %u and %u.\n", param->name,
- recieved_value, left_val, right_val);
- return -1;
- }
- } else if (IS_TYPE_VALUE_LIST(param)) {
+ if (IS_TYPE_VALUE_LIST(param)) {
char *comma_ptr = NULL, *tmp_ptr = NULL;
comma_ptr = strchr(value, ',');
@@ -1361,9 +1177,6 @@ static int iscsi_check_value(struct iscsi_param *param, char *value)
} else if (IS_TYPE_NUMBER(param)) {
if (iscsi_check_numerical_value(param, value) < 0)
return -1;
- } else if (IS_TYPE_NUMBER_RANGE(param)) {
- if (iscsi_check_numerical_range_value(param, value) < 0)
- return -1;
} else if (IS_TYPE_STRING(param) || IS_TYPE_VALUE_LIST(param)) {
if (iscsi_check_string_or_list_value(param, value) < 0)
return -1;
@@ -1483,8 +1296,6 @@ static int iscsi_enforce_integrity_rules(
char *tmpptr;
u8 DataSequenceInOrder = 0;
u8 ErrorRecoveryLevel = 0, SessionType = 0;
- u8 IFMarker = 0, OFMarker = 0;
- u8 IFMarkInt_Reject = 1, OFMarkInt_Reject = 1;
u32 FirstBurstLength = 0, MaxBurstLength = 0;
struct iscsi_param *param = NULL;
@@ -1503,28 +1314,12 @@ static int iscsi_enforce_integrity_rules(
if (!strcmp(param->name, MAXBURSTLENGTH))
MaxBurstLength = simple_strtoul(param->value,
&tmpptr, 0);
- if (!strcmp(param->name, IFMARKER))
- if (!strcmp(param->value, YES))
- IFMarker = 1;
- if (!strcmp(param->name, OFMARKER))
- if (!strcmp(param->value, YES))
- OFMarker = 1;
- if (!strcmp(param->name, IFMARKINT))
- if (!strcmp(param->value, REJECT))
- IFMarkInt_Reject = 1;
- if (!strcmp(param->name, OFMARKINT))
- if (!strcmp(param->value, REJECT))
- OFMarkInt_Reject = 1;
}
list_for_each_entry(param, ¶m_list->param_list, p_list) {
if (!(param->phase & phase))
continue;
- if (!SessionType && (!IS_PSTATE_ACCEPTOR(param) &&
- (strcmp(param->name, IFMARKER) &&
- strcmp(param->name, OFMARKER) &&
- strcmp(param->name, IFMARKINT) &&
- strcmp(param->name, OFMARKINT))))
+ if (!SessionType && !IS_PSTATE_ACCEPTOR(param))
continue;
if (!strcmp(param->name, MAXOUTSTANDINGR2T) &&
DataSequenceInOrder && (ErrorRecoveryLevel > 0)) {
@@ -1556,38 +1351,6 @@ static int iscsi_enforce_integrity_rules(
param->name, param->value);
}
}
- if (!strcmp(param->name, IFMARKER) && IFMarkInt_Reject) {
- if (iscsi_update_param_value(param, NO) < 0)
- return -1;
- IFMarker = 0;
- pr_debug("Reset \"%s\" to \"%s\".\n",
- param->name, param->value);
- }
- if (!strcmp(param->name, OFMARKER) && OFMarkInt_Reject) {
- if (iscsi_update_param_value(param, NO) < 0)
- return -1;
- OFMarker = 0;
- pr_debug("Reset \"%s\" to \"%s\".\n",
- param->name, param->value);
- }
- if (!strcmp(param->name, IFMARKINT) && !IFMarker) {
- if (!strcmp(param->value, REJECT))
- continue;
- param->state &= ~PSTATE_NEGOTIATE;
- if (iscsi_update_param_value(param, IRRELEVANT) < 0)
- return -1;
- pr_debug("Reset \"%s\" to \"%s\".\n",
- param->name, param->value);
- }
- if (!strcmp(param->name, OFMARKINT) && !OFMarker) {
- if (!strcmp(param->value, REJECT))
- continue;
- param->state &= ~PSTATE_NEGOTIATE;
- if (iscsi_update_param_value(param, IRRELEVANT) < 0)
- return -1;
- pr_debug("Reset \"%s\" to \"%s\".\n",
- param->name, param->value);
- }
}
return 0;
@@ -1824,24 +1587,6 @@ void iscsi_set_connection_parameters(
*/
pr_debug("MaxRecvDataSegmentLength: %u\n",
ops->MaxRecvDataSegmentLength);
- } else if (!strcmp(param->name, OFMARKER)) {
- ops->OFMarker = !strcmp(param->value, YES);
- pr_debug("OFMarker: %s\n",
- param->value);
- } else if (!strcmp(param->name, IFMARKER)) {
- ops->IFMarker = !strcmp(param->value, YES);
- pr_debug("IFMarker: %s\n",
- param->value);
- } else if (!strcmp(param->name, OFMARKINT)) {
- ops->OFMarkInt =
- simple_strtoul(param->value, &tmpptr, 0);
- pr_debug("OFMarkInt: %s\n",
- param->value);
- } else if (!strcmp(param->name, IFMARKINT)) {
- ops->IFMarkInt =
- simple_strtoul(param->value, &tmpptr, 0);
- pr_debug("IFMarkInt: %s\n",
- param->value);
} else if (!strcmp(param->name, INITIATORRECVDATASEGMENTLENGTH)) {
ops->InitiatorRecvDataSegmentLength =
simple_strtoul(param->value, &tmpptr, 0);
diff --git a/drivers/target/iscsi/iscsi_target_parameters.h b/drivers/target/iscsi/iscsi_target_parameters.h
index a47046a752aac7ccdabbdf4e41c936d53a13569b..a0751e3f0813429bd5c87c2ecab16780cfbfa1c7 100644
--- a/drivers/target/iscsi/iscsi_target_parameters.h
+++ b/drivers/target/iscsi/iscsi_target_parameters.h
@@ -138,8 +138,8 @@ extern void iscsi_set_session_parameters(struct iscsi_sess_ops *,
#define INITIAL_SESSIONTYPE NORMAL
#define INITIAL_IFMARKER NO
#define INITIAL_OFMARKER NO
-#define INITIAL_IFMARKINT "2048~65535"
-#define INITIAL_OFMARKINT "2048~65535"
+#define INITIAL_IFMARKINT REJECT
+#define INITIAL_OFMARKINT REJECT
/*
* Initial values for iSER parameters following RFC-5046 Section 6
@@ -239,10 +239,9 @@ extern void iscsi_set_session_parameters(struct iscsi_sess_ops *,
#define TYPERANGE_AUTH 0x0200
#define TYPERANGE_DIGEST 0x0400
#define TYPERANGE_ISCSINAME 0x0800
-#define TYPERANGE_MARKINT 0x1000
-#define TYPERANGE_SESSIONTYPE 0x2000
-#define TYPERANGE_TARGETADDRESS 0x4000
-#define TYPERANGE_UTF8 0x8000
+#define TYPERANGE_SESSIONTYPE 0x1000
+#define TYPERANGE_TARGETADDRESS 0x2000
+#define TYPERANGE_UTF8 0x4000
#define IS_TYPERANGE_0_TO_2(p) ((p)->type_range & TYPERANGE_0_TO_2)
#define IS_TYPERANGE_0_TO_3600(p) ((p)->type_range & TYPERANGE_0_TO_3600)
diff --git a/drivers/target/iscsi/iscsi_target_tmr.c b/drivers/target/iscsi/iscsi_target_tmr.c
index fe9a582ca6af4f4e83410dab6ecd22e28d74ff96..cf59c397007bd0d9a48665f34a07c5bf3226e650 100644
--- a/drivers/target/iscsi/iscsi_target_tmr.c
+++ b/drivers/target/iscsi/iscsi_target_tmr.c
@@ -120,7 +120,7 @@ u8 iscsit_tmr_task_reassign(
struct iscsi_tmr_req *tmr_req = cmd->tmr_req;
struct se_tmr_req *se_tmr = cmd->se_cmd.se_tmr_req;
struct iscsi_tm *hdr = (struct iscsi_tm *) buf;
- int ret, ref_lun;
+ u64 ret, ref_lun;
pr_debug("Got TASK_REASSIGN TMR ITT: 0x%08x,"
" RefTaskTag: 0x%08x, ExpDataSN: 0x%08x, CID: %hu\n",
@@ -164,7 +164,7 @@ u8 iscsit_tmr_task_reassign(
ref_lun = scsilun_to_int(&hdr->lun);
if (ref_lun != ref_cmd->se_cmd.orig_fe_lun) {
pr_err("Unable to perform connection recovery for"
- " differing ref_lun: %d ref_cmd orig_fe_lun: %u\n",
+ " differing ref_lun: %llu ref_cmd orig_fe_lun: %llu\n",
ref_lun, ref_cmd->se_cmd.orig_fe_lun);
return ISCSI_TMF_RSP_REJECTED;
}
diff --git a/drivers/target/iscsi/iscsi_target_tpg.c b/drivers/target/iscsi/iscsi_target_tpg.c
index 5e3295fe404d7cc93aae6354f2578bcbca55ee23..968068ffcb1c87a7ce7d218f8faf0a900dbc517b 100644
--- a/drivers/target/iscsi/iscsi_target_tpg.c
+++ b/drivers/target/iscsi/iscsi_target_tpg.c
@@ -18,7 +18,6 @@
#include <target/target_core_base.h>
#include <target/target_core_fabric.h>
-#include <target/target_core_configfs.h>
#include <target/iscsi/iscsi_target_core.h>
#include "iscsi_target_erl0.h"
@@ -67,9 +66,12 @@ int iscsit_load_discovery_tpg(void)
pr_err("Unable to allocate struct iscsi_portal_group\n");
return -1;
}
-
- ret = core_tpg_register(&iscsi_ops, NULL, &tpg->tpg_se_tpg,
- tpg, TRANSPORT_TPG_TYPE_DISCOVERY);
+ /*
+ * Save iscsi_ops pointer for special case discovery TPG that
+ * doesn't exist as se_wwn->wwn_group within configfs.
+ */
+ tpg->tpg_se_tpg.se_tpg_tfo = &iscsi_ops;
+ ret = core_tpg_register(NULL, &tpg->tpg_se_tpg, -1);
if (ret < 0) {
kfree(tpg);
return -1;
@@ -280,8 +282,6 @@ int iscsit_tpg_del_portal_group(
return -EPERM;
}
- core_tpg_clear_object_luns(&tpg->tpg_se_tpg);
-
if (tpg->param_list) {
iscsi_release_param_list(tpg->param_list);
tpg->param_list = NULL;
diff --git a/drivers/target/iscsi/iscsi_target_util.c b/drivers/target/iscsi/iscsi_target_util.c
index b18edda3e8af8a6f4b6edba747dbf725bf36a21a..a2bff0702eb25bc4d10bac935d4888b2df131c41 100644
--- a/drivers/target/iscsi/iscsi_target_util.c
+++ b/drivers/target/iscsi/iscsi_target_util.c
@@ -22,7 +22,6 @@
#include <scsi/iscsi_proto.h>
#include <target/target_core_base.h>
#include <target/target_core_fabric.h>
-#include <target/target_core_configfs.h>
#include <target/iscsi/iscsi_transport.h>
#include <target/iscsi/iscsi_target_core.h>
@@ -746,7 +745,7 @@ void iscsit_free_cmd(struct iscsi_cmd *cmd, bool shutdown)
rc = transport_generic_free_cmd(&cmd->se_cmd, shutdown);
if (!rc && shutdown && se_cmd && se_cmd->se_sess) {
__iscsit_free_cmd(cmd, true, shutdown);
- target_put_sess_cmd(se_cmd->se_sess, se_cmd);
+ target_put_sess_cmd(se_cmd);
}
break;
case ISCSI_OP_REJECT:
@@ -762,7 +761,7 @@ void iscsit_free_cmd(struct iscsi_cmd *cmd, bool shutdown)
rc = transport_generic_free_cmd(&cmd->se_cmd, shutdown);
if (!rc && shutdown && se_cmd->se_sess) {
__iscsit_free_cmd(cmd, true, shutdown);
- target_put_sess_cmd(se_cmd->se_sess, se_cmd);
+ target_put_sess_cmd(se_cmd);
}
break;
}
@@ -809,54 +808,6 @@ void iscsit_inc_session_usage_count(struct iscsi_session *sess)
spin_unlock_bh(&sess->session_usage_lock);
}
-/*
- * Setup conn->if_marker and conn->of_marker values based upon
- * the initial marker-less interval. (see iSCSI v19 A.2)
- */
-int iscsit_set_sync_and_steering_values(struct iscsi_conn *conn)
-{
- int login_ifmarker_count = 0, login_ofmarker_count = 0, next_marker = 0;
- /*
- * IFMarkInt and OFMarkInt are negotiated as 32-bit words.
- */
- u32 IFMarkInt = (conn->conn_ops->IFMarkInt * 4);
- u32 OFMarkInt = (conn->conn_ops->OFMarkInt * 4);
-
- if (conn->conn_ops->OFMarker) {
- /*
- * Account for the first Login Command received not
- * via iscsi_recv_msg().
- */
- conn->of_marker += ISCSI_HDR_LEN;
- if (conn->of_marker <= OFMarkInt) {
- conn->of_marker = (OFMarkInt - conn->of_marker);
- } else {
- login_ofmarker_count = (conn->of_marker / OFMarkInt);
- next_marker = (OFMarkInt * (login_ofmarker_count + 1)) +
- (login_ofmarker_count * MARKER_SIZE);
- conn->of_marker = (next_marker - conn->of_marker);
- }
- conn->of_marker_offset = 0;
- pr_debug("Setting OFMarker value to %u based on Initial"
- " Markerless Interval.\n", conn->of_marker);
- }
-
- if (conn->conn_ops->IFMarker) {
- if (conn->if_marker <= IFMarkInt) {
- conn->if_marker = (IFMarkInt - conn->if_marker);
- } else {
- login_ifmarker_count = (conn->if_marker / IFMarkInt);
- next_marker = (IFMarkInt * (login_ifmarker_count + 1)) +
- (login_ifmarker_count * MARKER_SIZE);
- conn->if_marker = (next_marker - conn->if_marker);
- }
- pr_debug("Setting IFMarker value to %u based on Initial"
- " Markerless Interval.\n", conn->if_marker);
- }
-
- return 0;
-}
-
struct iscsi_conn *iscsit_get_conn_from_cid(struct iscsi_session *sess, u16 cid)
{
struct iscsi_conn *conn;
diff --git a/drivers/target/iscsi/iscsi_target_util.h b/drivers/target/iscsi/iscsi_target_util.h
index 1ab754a671ff301977a90c90246ae5a223352051..995f1cb29d0e08268acf9f3547494d23498dc87b 100644
--- a/drivers/target/iscsi/iscsi_target_util.h
+++ b/drivers/target/iscsi/iscsi_target_util.h
@@ -34,7 +34,6 @@ extern void iscsit_free_cmd(struct iscsi_cmd *, bool);
extern int iscsit_check_session_usage_count(struct iscsi_session *);
extern void iscsit_dec_session_usage_count(struct iscsi_session *);
extern void iscsit_inc_session_usage_count(struct iscsi_session *);
-extern int iscsit_set_sync_and_steering_values(struct iscsi_conn *);
extern struct iscsi_conn *iscsit_get_conn_from_cid(struct iscsi_session *, u16);
extern struct iscsi_conn *iscsit_get_conn_from_cid_rcfr(struct iscsi_session *, u16);
extern void iscsit_check_conn_usage_count(struct iscsi_conn *);
diff --git a/drivers/target/loopback/tcm_loop.c b/drivers/target/loopback/tcm_loop.c
index 51f0c895c6a58fd1e93badf13a52e5eae4b64877..a556bdebd775dbc4ecbef99b1a9153493916a9f3 100644
--- a/drivers/target/loopback/tcm_loop.c
+++ b/drivers/target/loopback/tcm_loop.c
@@ -35,14 +35,11 @@
#include <target/target_core_base.h>
#include <target/target_core_fabric.h>
#include <target/target_core_fabric_configfs.h>
-#include <target/target_core_configfs.h>
#include "tcm_loop.h"
#define to_tcm_loop_hba(hba) container_of(hba, struct tcm_loop_hba, dev)
-static const struct target_core_fabric_ops loop_ops;
-
static struct workqueue_struct *tcm_loop_workqueue;
static struct kmem_cache *tcm_loop_cmd_cache;
@@ -165,6 +162,7 @@ static void tcm_loop_submission_work(struct work_struct *work)
transfer_length = scsi_bufflen(sc);
}
+ se_cmd->tag = tl_cmd->sc_cmd_tag;
rc = target_submit_cmd_map_sgls(se_cmd, tl_nexus->se_sess, sc->cmnd,
&tl_cmd->tl_sense_buf[0], tl_cmd->sc->device->lun,
transfer_length, TCM_SIMPLE_TAG,
@@ -217,7 +215,7 @@ static int tcm_loop_queuecommand(struct Scsi_Host *sh, struct scsi_cmnd *sc)
* to struct scsi_device
*/
static int tcm_loop_issue_tmr(struct tcm_loop_tpg *tl_tpg,
- int lun, int task, enum tcm_tmreq_table tmr)
+ u64 lun, int task, enum tcm_tmreq_table tmr)
{
struct se_cmd *se_cmd = NULL;
struct se_session *se_sess;
@@ -409,7 +407,7 @@ static int tcm_loop_driver_probe(struct device *dev)
sh->max_id = 2;
sh->max_lun = 0;
sh->max_channel = 0;
- sh->max_cmd_len = TL_SCSI_MAX_CMD_LEN;
+ sh->max_cmd_len = SCSI_MAX_VARLEN_CDB_SIZE;
host_prot = SHOST_DIF_TYPE1_PROTECTION | SHOST_DIF_TYPE2_PROTECTION |
SHOST_DIF_TYPE3_PROTECTION | SHOST_DIX_TYPE1_PROTECTION |
@@ -520,147 +518,26 @@ static char *tcm_loop_get_fabric_name(void)
return "loopback";
}
-static u8 tcm_loop_get_fabric_proto_ident(struct se_portal_group *se_tpg)
+static inline struct tcm_loop_tpg *tl_tpg(struct se_portal_group *se_tpg)
{
- struct tcm_loop_tpg *tl_tpg = se_tpg->se_tpg_fabric_ptr;
- struct tcm_loop_hba *tl_hba = tl_tpg->tl_hba;
- /*
- * tl_proto_id is set at tcm_loop_configfs.c:tcm_loop_make_scsi_hba()
- * time based on the protocol dependent prefix of the passed configfs group.
- *
- * Based upon tl_proto_id, TCM_Loop emulates the requested fabric
- * ProtocolID using target_core_fabric_lib.c symbols.
- */
- switch (tl_hba->tl_proto_id) {
- case SCSI_PROTOCOL_SAS:
- return sas_get_fabric_proto_ident(se_tpg);
- case SCSI_PROTOCOL_FCP:
- return fc_get_fabric_proto_ident(se_tpg);
- case SCSI_PROTOCOL_ISCSI:
- return iscsi_get_fabric_proto_ident(se_tpg);
- default:
- pr_err("Unknown tl_proto_id: 0x%02x, using"
- " SAS emulation\n", tl_hba->tl_proto_id);
- break;
- }
-
- return sas_get_fabric_proto_ident(se_tpg);
+ return container_of(se_tpg, struct tcm_loop_tpg, tl_se_tpg);
}
static char *tcm_loop_get_endpoint_wwn(struct se_portal_group *se_tpg)
{
- struct tcm_loop_tpg *tl_tpg = se_tpg->se_tpg_fabric_ptr;
/*
* Return the passed NAA identifier for the SAS Target Port
*/
- return &tl_tpg->tl_hba->tl_wwn_address[0];
+ return &tl_tpg(se_tpg)->tl_hba->tl_wwn_address[0];
}
static u16 tcm_loop_get_tag(struct se_portal_group *se_tpg)
{
- struct tcm_loop_tpg *tl_tpg = se_tpg->se_tpg_fabric_ptr;
/*
* This Tag is used when forming SCSI Name identifier in EVPD=1 0x83
* to represent the SCSI Target Port.
*/
- return tl_tpg->tl_tpgt;
-}
-
-static u32 tcm_loop_get_default_depth(struct se_portal_group *se_tpg)
-{
- return 1;
-}
-
-static u32 tcm_loop_get_pr_transport_id(
- struct se_portal_group *se_tpg,
- struct se_node_acl *se_nacl,
- struct t10_pr_registration *pr_reg,
- int *format_code,
- unsigned char *buf)
-{
- struct tcm_loop_tpg *tl_tpg = se_tpg->se_tpg_fabric_ptr;
- struct tcm_loop_hba *tl_hba = tl_tpg->tl_hba;
-
- switch (tl_hba->tl_proto_id) {
- case SCSI_PROTOCOL_SAS:
- return sas_get_pr_transport_id(se_tpg, se_nacl, pr_reg,
- format_code, buf);
- case SCSI_PROTOCOL_FCP:
- return fc_get_pr_transport_id(se_tpg, se_nacl, pr_reg,
- format_code, buf);
- case SCSI_PROTOCOL_ISCSI:
- return iscsi_get_pr_transport_id(se_tpg, se_nacl, pr_reg,
- format_code, buf);
- default:
- pr_err("Unknown tl_proto_id: 0x%02x, using"
- " SAS emulation\n", tl_hba->tl_proto_id);
- break;
- }
-
- return sas_get_pr_transport_id(se_tpg, se_nacl, pr_reg,
- format_code, buf);
-}
-
-static u32 tcm_loop_get_pr_transport_id_len(
- struct se_portal_group *se_tpg,
- struct se_node_acl *se_nacl,
- struct t10_pr_registration *pr_reg,
- int *format_code)
-{
- struct tcm_loop_tpg *tl_tpg = se_tpg->se_tpg_fabric_ptr;
- struct tcm_loop_hba *tl_hba = tl_tpg->tl_hba;
-
- switch (tl_hba->tl_proto_id) {
- case SCSI_PROTOCOL_SAS:
- return sas_get_pr_transport_id_len(se_tpg, se_nacl, pr_reg,
- format_code);
- case SCSI_PROTOCOL_FCP:
- return fc_get_pr_transport_id_len(se_tpg, se_nacl, pr_reg,
- format_code);
- case SCSI_PROTOCOL_ISCSI:
- return iscsi_get_pr_transport_id_len(se_tpg, se_nacl, pr_reg,
- format_code);
- default:
- pr_err("Unknown tl_proto_id: 0x%02x, using"
- " SAS emulation\n", tl_hba->tl_proto_id);
- break;
- }
-
- return sas_get_pr_transport_id_len(se_tpg, se_nacl, pr_reg,
- format_code);
-}
-
-/*
- * Used for handling SCSI fabric dependent TransportIDs in SPC-3 and above
- * Persistent Reservation SPEC_I_PT=1 and PROUT REGISTER_AND_MOVE operations.
- */
-static char *tcm_loop_parse_pr_out_transport_id(
- struct se_portal_group *se_tpg,
- const char *buf,
- u32 *out_tid_len,
- char **port_nexus_ptr)
-{
- struct tcm_loop_tpg *tl_tpg = se_tpg->se_tpg_fabric_ptr;
- struct tcm_loop_hba *tl_hba = tl_tpg->tl_hba;
-
- switch (tl_hba->tl_proto_id) {
- case SCSI_PROTOCOL_SAS:
- return sas_parse_pr_out_transport_id(se_tpg, buf, out_tid_len,
- port_nexus_ptr);
- case SCSI_PROTOCOL_FCP:
- return fc_parse_pr_out_transport_id(se_tpg, buf, out_tid_len,
- port_nexus_ptr);
- case SCSI_PROTOCOL_ISCSI:
- return iscsi_parse_pr_out_transport_id(se_tpg, buf, out_tid_len,
- port_nexus_ptr);
- default:
- pr_err("Unknown tl_proto_id: 0x%02x, using"
- " SAS emulation\n", tl_hba->tl_proto_id);
- break;
- }
-
- return sas_parse_pr_out_transport_id(se_tpg, buf, out_tid_len,
- port_nexus_ptr);
+ return tl_tpg(se_tpg)->tl_tpgt;
}
/*
@@ -703,30 +580,6 @@ static int tcm_loop_check_prot_fabric_only(struct se_portal_group *se_tpg)
return tl_tpg->tl_fabric_prot_type;
}
-static struct se_node_acl *tcm_loop_tpg_alloc_fabric_acl(
- struct se_portal_group *se_tpg)
-{
- struct tcm_loop_nacl *tl_nacl;
-
- tl_nacl = kzalloc(sizeof(struct tcm_loop_nacl), GFP_KERNEL);
- if (!tl_nacl) {
- pr_err("Unable to allocate struct tcm_loop_nacl\n");
- return NULL;
- }
-
- return &tl_nacl->se_node_acl;
-}
-
-static void tcm_loop_tpg_release_fabric_acl(
- struct se_portal_group *se_tpg,
- struct se_node_acl *se_nacl)
-{
- struct tcm_loop_nacl *tl_nacl = container_of(se_nacl,
- struct tcm_loop_nacl, se_node_acl);
-
- kfree(tl_nacl);
-}
-
static u32 tcm_loop_get_inst_index(struct se_portal_group *se_tpg)
{
return 1;
@@ -742,14 +595,6 @@ static void tcm_loop_set_default_node_attributes(struct se_node_acl *se_acl)
return;
}
-static u32 tcm_loop_get_task_tag(struct se_cmd *se_cmd)
-{
- struct tcm_loop_cmd *tl_cmd = container_of(se_cmd,
- struct tcm_loop_cmd, tl_se_cmd);
-
- return tl_cmd->sc_cmd_tag;
-}
-
static int tcm_loop_get_cmd_state(struct se_cmd *se_cmd)
{
struct tcm_loop_cmd *tl_cmd = container_of(se_cmd,
@@ -902,7 +747,7 @@ static void tcm_loop_port_unlink(
se_lun->unpacked_lun);
if (!sd) {
pr_err("Unable to locate struct scsi_device for %d:%d:"
- "%d\n", 0, tl_tpg->tl_tpgt, se_lun->unpacked_lun);
+ "%llu\n", 0, tl_tpg->tl_tpgt, se_lun->unpacked_lun);
return;
}
/*
@@ -1234,8 +1079,7 @@ static struct se_portal_group *tcm_loop_make_naa_tpg(
/*
* Register the tl_tpg as a emulated SAS TCM Target Endpoint
*/
- ret = core_tpg_register(&loop_ops, wwn, &tl_tpg->tl_se_tpg, tl_tpg,
- TRANSPORT_TPG_TYPE_NORMAL);
+ ret = core_tpg_register(wwn, &tl_tpg->tl_se_tpg, tl_hba->tl_proto_id);
if (ret < 0)
return ERR_PTR(-ENOMEM);
@@ -1386,13 +1230,8 @@ static const struct target_core_fabric_ops loop_ops = {
.module = THIS_MODULE,
.name = "loopback",
.get_fabric_name = tcm_loop_get_fabric_name,
- .get_fabric_proto_ident = tcm_loop_get_fabric_proto_ident,
.tpg_get_wwn = tcm_loop_get_endpoint_wwn,
.tpg_get_tag = tcm_loop_get_tag,
- .tpg_get_default_depth = tcm_loop_get_default_depth,
- .tpg_get_pr_transport_id = tcm_loop_get_pr_transport_id,
- .tpg_get_pr_transport_id_len = tcm_loop_get_pr_transport_id_len,
- .tpg_parse_pr_out_transport_id = tcm_loop_parse_pr_out_transport_id,
.tpg_check_demo_mode = tcm_loop_check_demo_mode,
.tpg_check_demo_mode_cache = tcm_loop_check_demo_mode_cache,
.tpg_check_demo_mode_write_protect =
@@ -1400,8 +1239,6 @@ static const struct target_core_fabric_ops loop_ops = {
.tpg_check_prod_mode_write_protect =
tcm_loop_check_prod_mode_write_protect,
.tpg_check_prot_fabric_only = tcm_loop_check_prot_fabric_only,
- .tpg_alloc_fabric_acl = tcm_loop_tpg_alloc_fabric_acl,
- .tpg_release_fabric_acl = tcm_loop_tpg_release_fabric_acl,
.tpg_get_inst_index = tcm_loop_get_inst_index,
.check_stop_free = tcm_loop_check_stop_free,
.release_cmd = tcm_loop_release_cmd,
@@ -1411,7 +1248,6 @@ static const struct target_core_fabric_ops loop_ops = {
.write_pending = tcm_loop_write_pending,
.write_pending_status = tcm_loop_write_pending_status,
.set_default_node_attributes = tcm_loop_set_default_node_attributes,
- .get_task_tag = tcm_loop_get_task_tag,
.get_cmd_state = tcm_loop_get_cmd_state,
.queue_data_in = tcm_loop_queue_data_in,
.queue_status = tcm_loop_queue_status,
diff --git a/drivers/target/loopback/tcm_loop.h b/drivers/target/loopback/tcm_loop.h
index 1e72ff77cac9c3eab83e933d2c5d675edfea483b..4346462094a1af4e4ce778abd41a0f1da1d0a559 100644
--- a/drivers/target/loopback/tcm_loop.h
+++ b/drivers/target/loopback/tcm_loop.h
@@ -2,11 +2,6 @@
#define TL_WWN_ADDR_LEN 256
#define TL_TPGS_PER_HBA 32
-/*
- * Used in tcm_loop_driver_probe() for struct Scsi_Host->max_cmd_len
- */
-#define TL_SCSI_MAX_CMD_LEN 32
-
struct tcm_loop_cmd {
/* State of Linux/SCSI CDB+Data descriptor */
u32 sc_cmd_state;
@@ -33,10 +28,6 @@ struct tcm_loop_nexus {
struct se_session *se_sess;
};
-struct tcm_loop_nacl {
- struct se_node_acl se_node_acl;
-};
-
#define TCM_TRANSPORT_ONLINE 0
#define TCM_TRANSPORT_OFFLINE 1
diff --git a/drivers/target/sbp/sbp_target.c b/drivers/target/sbp/sbp_target.c
index ce81f17ad1ba5f97595ada370d8de40429eb9e0c..0edf320fb68547a4f4c6d0b8d46687727d47c557 100644
--- a/drivers/target/sbp/sbp_target.c
+++ b/drivers/target/sbp/sbp_target.c
@@ -36,7 +36,6 @@
#include <target/target_core_backend.h>
#include <target/target_core_fabric.h>
#include <target/target_core_fabric_configfs.h>
-#include <target/target_core_configfs.h>
#include <target/configfs_macros.h>
#include <asm/unaligned.h>
@@ -109,13 +108,13 @@ static struct sbp_session *sbp_session_find_by_guid(
}
static struct sbp_login_descriptor *sbp_login_find_by_lun(
- struct sbp_session *session, struct se_lun *lun)
+ struct sbp_session *session, u32 unpacked_lun)
{
struct sbp_login_descriptor *login, *found = NULL;
spin_lock_bh(&session->lock);
list_for_each_entry(login, &session->login_list, link) {
- if (login->lun == lun)
+ if (login->login_lun == unpacked_lun)
found = login;
}
spin_unlock_bh(&session->lock);
@@ -125,7 +124,7 @@ static struct sbp_login_descriptor *sbp_login_find_by_lun(
static int sbp_login_count_all_by_lun(
struct sbp_tpg *tpg,
- struct se_lun *lun,
+ u32 unpacked_lun,
int exclusive)
{
struct se_session *se_sess;
@@ -139,7 +138,7 @@ static int sbp_login_count_all_by_lun(
spin_lock_bh(&sess->lock);
list_for_each_entry(login, &sess->login_list, link) {
- if (login->lun != lun)
+ if (login->login_lun != unpacked_lun)
continue;
if (!exclusive || login->exclusive)
@@ -175,23 +174,23 @@ static struct sbp_login_descriptor *sbp_login_find_by_id(
return found;
}
-static struct se_lun *sbp_get_lun_from_tpg(struct sbp_tpg *tpg, int lun)
+static u32 sbp_get_lun_from_tpg(struct sbp_tpg *tpg, u32 login_lun, int *err)
{
struct se_portal_group *se_tpg = &tpg->se_tpg;
struct se_lun *se_lun;
- if (lun >= TRANSPORT_MAX_LUNS_PER_TPG)
- return ERR_PTR(-EINVAL);
-
- spin_lock(&se_tpg->tpg_lun_lock);
- se_lun = se_tpg->tpg_lun_list[lun];
-
- if (se_lun->lun_status != TRANSPORT_LUN_STATUS_ACTIVE)
- se_lun = ERR_PTR(-ENODEV);
-
- spin_unlock(&se_tpg->tpg_lun_lock);
+ rcu_read_lock();
+ hlist_for_each_entry_rcu(se_lun, &se_tpg->tpg_lun_hlist, link) {
+ if (se_lun->unpacked_lun == login_lun) {
+ rcu_read_unlock();
+ *err = 0;
+ return login_lun;
+ }
+ }
+ rcu_read_unlock();
- return se_lun;
+ *err = -ENODEV;
+ return login_lun;
}
static struct sbp_session *sbp_session_create(
@@ -295,17 +294,16 @@ static void sbp_management_request_login(
{
struct sbp_tport *tport = agent->tport;
struct sbp_tpg *tpg = tport->tpg;
- struct se_lun *se_lun;
- int ret;
- u64 guid;
struct sbp_session *sess;
struct sbp_login_descriptor *login;
struct sbp_login_response_block *response;
- int login_response_len;
+ u64 guid;
+ u32 unpacked_lun;
+ int login_response_len, ret;
- se_lun = sbp_get_lun_from_tpg(tpg,
- LOGIN_ORB_LUN(be32_to_cpu(req->orb.misc)));
- if (IS_ERR(se_lun)) {
+ unpacked_lun = sbp_get_lun_from_tpg(tpg,
+ LOGIN_ORB_LUN(be32_to_cpu(req->orb.misc)), &ret);
+ if (ret) {
pr_notice("login to unknown LUN: %d\n",
LOGIN_ORB_LUN(be32_to_cpu(req->orb.misc)));
@@ -326,11 +324,11 @@ static void sbp_management_request_login(
}
pr_notice("mgt_agent LOGIN to LUN %d from %016llx\n",
- se_lun->unpacked_lun, guid);
+ unpacked_lun, guid);
sess = sbp_session_find_by_guid(tpg, guid);
if (sess) {
- login = sbp_login_find_by_lun(sess, se_lun);
+ login = sbp_login_find_by_lun(sess, unpacked_lun);
if (login) {
pr_notice("initiator already logged-in\n");
@@ -358,7 +356,7 @@ static void sbp_management_request_login(
* reject with access_denied if any logins present
*/
if (LOGIN_ORB_EXCLUSIVE(be32_to_cpu(req->orb.misc)) &&
- sbp_login_count_all_by_lun(tpg, se_lun, 0)) {
+ sbp_login_count_all_by_lun(tpg, unpacked_lun, 0)) {
pr_warn("refusing exclusive login with other active logins\n");
req->status.status = cpu_to_be32(
@@ -371,7 +369,7 @@ static void sbp_management_request_login(
* check exclusive bit in any existing login descriptor
* reject with access_denied if any exclusive logins present
*/
- if (sbp_login_count_all_by_lun(tpg, se_lun, 1)) {
+ if (sbp_login_count_all_by_lun(tpg, unpacked_lun, 1)) {
pr_warn("refusing login while another exclusive login present\n");
req->status.status = cpu_to_be32(
@@ -384,7 +382,7 @@ static void sbp_management_request_login(
* check we haven't exceeded the number of allowed logins
* reject with resources_unavailable if we have
*/
- if (sbp_login_count_all_by_lun(tpg, se_lun, 0) >=
+ if (sbp_login_count_all_by_lun(tpg, unpacked_lun, 0) >=
tport->max_logins_per_lun) {
pr_warn("max number of logins reached\n");
@@ -440,7 +438,7 @@ static void sbp_management_request_login(
}
login->sess = sess;
- login->lun = se_lun;
+ login->login_lun = unpacked_lun;
login->status_fifo_addr = sbp2_pointer_to_addr(&req->orb.status_fifo);
login->exclusive = LOGIN_ORB_EXCLUSIVE(be32_to_cpu(req->orb.misc));
login->login_id = atomic_inc_return(&login_id);
@@ -602,7 +600,7 @@ static void sbp_management_request_logout(
}
pr_info("mgt_agent LOGOUT from LUN %d session %d\n",
- login->lun->unpacked_lun, login->login_id);
+ login->login_lun, login->login_id);
if (req->node_addr != login->sess->node_id) {
pr_warn("logout from different node ID\n");
@@ -1228,12 +1226,14 @@ static void sbp_handle_command(struct sbp_target_request *req)
goto err;
}
- unpacked_lun = req->login->lun->unpacked_lun;
+ unpacked_lun = req->login->login_lun;
sbp_calc_data_length_direction(req, &data_length, &data_dir);
pr_debug("sbp_handle_command ORB:0x%llx unpacked_lun:%d data_len:%d data_dir:%d\n",
req->orb_pointer, unpacked_lun, data_length, data_dir);
+ /* only used for printk until we do TMRs */
+ req->se_cmd.tag = req->orb_pointer;
if (target_submit_cmd(&req->se_cmd, sess->se_sess, req->cmd_buf,
req->sense_buf, unpacked_lun, data_length,
TCM_SIMPLE_TAG, data_dir, 0))
@@ -1707,33 +1707,6 @@ static u16 sbp_get_tag(struct se_portal_group *se_tpg)
return tpg->tport_tpgt;
}
-static u32 sbp_get_default_depth(struct se_portal_group *se_tpg)
-{
- return 1;
-}
-
-static struct se_node_acl *sbp_alloc_fabric_acl(struct se_portal_group *se_tpg)
-{
- struct sbp_nacl *nacl;
-
- nacl = kzalloc(sizeof(struct sbp_nacl), GFP_KERNEL);
- if (!nacl) {
- pr_err("Unable to allocate struct sbp_nacl\n");
- return NULL;
- }
-
- return &nacl->se_node_acl;
-}
-
-static void sbp_release_fabric_acl(
- struct se_portal_group *se_tpg,
- struct se_node_acl *se_nacl)
-{
- struct sbp_nacl *nacl =
- container_of(se_nacl, struct sbp_nacl, se_node_acl);
- kfree(nacl);
-}
-
static u32 sbp_tpg_get_inst_index(struct se_portal_group *se_tpg)
{
return 1;
@@ -1795,15 +1768,6 @@ static void sbp_set_default_node_attrs(struct se_node_acl *nacl)
return;
}
-static u32 sbp_get_task_tag(struct se_cmd *se_cmd)
-{
- struct sbp_target_request *req = container_of(se_cmd,
- struct sbp_target_request, se_cmd);
-
- /* only used for printk until we do TMRs */
- return (u32)req->orb_pointer;
-}
-
static int sbp_get_cmd_state(struct se_cmd *se_cmd)
{
return 0;
@@ -1859,106 +1823,23 @@ static int sbp_check_stop_free(struct se_cmd *se_cmd)
return 1;
}
-/*
- * Handlers for Serial Bus Protocol 2/3 (SBP-2 / SBP-3)
- */
-static u8 sbp_get_fabric_proto_ident(struct se_portal_group *se_tpg)
-{
- /*
- * Return a IEEE 1394 SCSI Protocol identifier for loopback operations
- * This is defined in section 7.5.1 Table 362 in spc4r17
- */
- return SCSI_PROTOCOL_SBP;
-}
-
-static u32 sbp_get_pr_transport_id(
- struct se_portal_group *se_tpg,
- struct se_node_acl *se_nacl,
- struct t10_pr_registration *pr_reg,
- int *format_code,
- unsigned char *buf)
-{
- int ret;
-
- /*
- * Set PROTOCOL IDENTIFIER to 3h for SBP
- */
- buf[0] = SCSI_PROTOCOL_SBP;
- /*
- * From spc4r17, 7.5.4.4 TransportID for initiator ports using SCSI
- * over IEEE 1394
- */
- ret = hex2bin(&buf[8], se_nacl->initiatorname, 8);
- if (ret < 0)
- pr_debug("sbp transport_id: invalid hex string\n");
-
- /*
- * The IEEE 1394 Transport ID is a hardcoded 24-byte length
- */
- return 24;
-}
-
-static u32 sbp_get_pr_transport_id_len(
- struct se_portal_group *se_tpg,
- struct se_node_acl *se_nacl,
- struct t10_pr_registration *pr_reg,
- int *format_code)
-{
- *format_code = 0;
- /*
- * From spc4r17, 7.5.4.4 TransportID for initiator ports using SCSI
- * over IEEE 1394
- *
- * The SBP Transport ID is a hardcoded 24-byte length
- */
- return 24;
-}
-
-/*
- * Used for handling SCSI fabric dependent TransportIDs in SPC-3 and above
- * Persistent Reservation SPEC_I_PT=1 and PROUT REGISTER_AND_MOVE operations.
- */
-static char *sbp_parse_pr_out_transport_id(
- struct se_portal_group *se_tpg,
- const char *buf,
- u32 *out_tid_len,
- char **port_nexus_ptr)
-{
- /*
- * Assume the FORMAT CODE 00b from spc4r17, 7.5.4.4 TransportID
- * for initiator ports using SCSI over SBP Serial SCSI Protocol
- *
- * The TransportID for a IEEE 1394 Initiator Port is of fixed size of
- * 24 bytes, and IEEE 1394 does not contain a I_T nexus identifier,
- * so we return the **port_nexus_ptr set to NULL.
- */
- *port_nexus_ptr = NULL;
- *out_tid_len = 24;
-
- return (char *)&buf[8];
-}
-
static int sbp_count_se_tpg_luns(struct se_portal_group *tpg)
{
- int i, count = 0;
-
- spin_lock(&tpg->tpg_lun_lock);
- for (i = 0; i < TRANSPORT_MAX_LUNS_PER_TPG; i++) {
- struct se_lun *se_lun = tpg->tpg_lun_list[i];
-
- if (se_lun->lun_status == TRANSPORT_LUN_STATUS_FREE)
- continue;
+ struct se_lun *lun;
+ int count = 0;
+ rcu_read_lock();
+ hlist_for_each_entry_rcu(lun, &tpg->tpg_lun_hlist, link)
count++;
- }
- spin_unlock(&tpg->tpg_lun_lock);
+ rcu_read_unlock();
return count;
}
static int sbp_update_unit_directory(struct sbp_tport *tport)
{
- int num_luns, num_entries, idx = 0, mgt_agt_addr, ret, i;
+ struct se_lun *lun;
+ int num_luns, num_entries, idx = 0, mgt_agt_addr, ret;
u32 *data;
if (tport->unit_directory.data) {
@@ -2020,28 +1901,23 @@ static int sbp_update_unit_directory(struct sbp_tport *tport)
/* unit unique ID (leaf is just after LUNs) */
data[idx++] = 0x8d000000 | (num_luns + 1);
- spin_lock(&tport->tpg->se_tpg.tpg_lun_lock);
- for (i = 0; i < TRANSPORT_MAX_LUNS_PER_TPG; i++) {
- struct se_lun *se_lun = tport->tpg->se_tpg.tpg_lun_list[i];
+ rcu_read_lock();
+ hlist_for_each_entry_rcu(lun, &tport->tpg->se_tpg.tpg_lun_hlist, link) {
struct se_device *dev;
int type;
-
- if (se_lun->lun_status == TRANSPORT_LUN_STATUS_FREE)
- continue;
-
- spin_unlock(&tport->tpg->se_tpg.tpg_lun_lock);
-
- dev = se_lun->lun_se_dev;
+ /*
+ * rcu_dereference_raw protected by se_lun->lun_group symlink
+ * reference to se_device->dev_group.
+ */
+ dev = rcu_dereference_raw(lun->lun_se_dev);
type = dev->transport->get_device_type(dev);
/* logical_unit_number */
data[idx++] = 0x14000000 |
((type << 16) & 0x1f0000) |
- (se_lun->unpacked_lun & 0xffff);
-
- spin_lock(&tport->tpg->se_tpg.tpg_lun_lock);
+ (lun->unpacked_lun & 0xffff);
}
- spin_unlock(&tport->tpg->se_tpg.tpg_lun_lock);
+ rcu_read_unlock();
/* unit unique ID leaf */
data[idx++] = 2 << 16;
@@ -2100,48 +1976,13 @@ static ssize_t sbp_format_wwn(char *buf, size_t len, u64 wwn)
return snprintf(buf, len, "%016llx", wwn);
}
-static struct se_node_acl *sbp_make_nodeacl(
- struct se_portal_group *se_tpg,
- struct config_group *group,
- const char *name)
+static int sbp_init_nodeacl(struct se_node_acl *se_nacl, const char *name)
{
- struct se_node_acl *se_nacl, *se_nacl_new;
- struct sbp_nacl *nacl;
u64 guid = 0;
- u32 nexus_depth = 1;
if (sbp_parse_wwn(name, &guid) < 0)
- return ERR_PTR(-EINVAL);
-
- se_nacl_new = sbp_alloc_fabric_acl(se_tpg);
- if (!se_nacl_new)
- return ERR_PTR(-ENOMEM);
-
- /*
- * se_nacl_new may be released by core_tpg_add_initiator_node_acl()
- * when converting a NodeACL from demo mode -> explict
- */
- se_nacl = core_tpg_add_initiator_node_acl(se_tpg, se_nacl_new,
- name, nexus_depth);
- if (IS_ERR(se_nacl)) {
- sbp_release_fabric_acl(se_tpg, se_nacl_new);
- return se_nacl;
- }
-
- nacl = container_of(se_nacl, struct sbp_nacl, se_node_acl);
- nacl->guid = guid;
- sbp_format_wwn(nacl->iport_name, SBP_NAMELEN, guid);
-
- return se_nacl;
-}
-
-static void sbp_drop_nodeacl(struct se_node_acl *se_acl)
-{
- struct sbp_nacl *nacl =
- container_of(se_acl, struct sbp_nacl, se_node_acl);
-
- core_tpg_del_initiator_node_acl(se_acl->se_tpg, se_acl, 1);
- kfree(nacl);
+ return -EINVAL;
+ return 0;
}
static int sbp_post_link_lun(
@@ -2214,8 +2055,7 @@ static struct se_portal_group *sbp_make_tpg(
goto out_free_tpg;
}
- ret = core_tpg_register(&sbp_ops, wwn, &tpg->se_tpg, tpg,
- TRANSPORT_TPG_TYPE_NORMAL);
+ ret = core_tpg_register(wwn, &tpg->se_tpg, SCSI_PROTOCOL_SBP);
if (ret < 0)
goto out_unreg_mgt_agt;
@@ -2505,19 +2345,12 @@ static const struct target_core_fabric_ops sbp_ops = {
.module = THIS_MODULE,
.name = "sbp",
.get_fabric_name = sbp_get_fabric_name,
- .get_fabric_proto_ident = sbp_get_fabric_proto_ident,
.tpg_get_wwn = sbp_get_fabric_wwn,
.tpg_get_tag = sbp_get_tag,
- .tpg_get_default_depth = sbp_get_default_depth,
- .tpg_get_pr_transport_id = sbp_get_pr_transport_id,
- .tpg_get_pr_transport_id_len = sbp_get_pr_transport_id_len,
- .tpg_parse_pr_out_transport_id = sbp_parse_pr_out_transport_id,
.tpg_check_demo_mode = sbp_check_true,
.tpg_check_demo_mode_cache = sbp_check_true,
.tpg_check_demo_mode_write_protect = sbp_check_false,
.tpg_check_prod_mode_write_protect = sbp_check_false,
- .tpg_alloc_fabric_acl = sbp_alloc_fabric_acl,
- .tpg_release_fabric_acl = sbp_release_fabric_acl,
.tpg_get_inst_index = sbp_tpg_get_inst_index,
.release_cmd = sbp_release_cmd,
.shutdown_session = sbp_shutdown_session,
@@ -2526,7 +2359,6 @@ static const struct target_core_fabric_ops sbp_ops = {
.write_pending = sbp_write_pending,
.write_pending_status = sbp_write_pending_status,
.set_default_node_attributes = sbp_set_default_node_attrs,
- .get_task_tag = sbp_get_task_tag,
.get_cmd_state = sbp_get_cmd_state,
.queue_data_in = sbp_queue_data_in,
.queue_status = sbp_queue_status,
@@ -2542,8 +2374,7 @@ static const struct target_core_fabric_ops sbp_ops = {
.fabric_pre_unlink = sbp_pre_unlink_lun,
.fabric_make_np = NULL,
.fabric_drop_np = NULL,
- .fabric_make_nodeacl = sbp_make_nodeacl,
- .fabric_drop_nodeacl = sbp_drop_nodeacl,
+ .fabric_init_nodeacl = sbp_init_nodeacl,
.tfc_wwn_attrs = sbp_wwn_attrs,
.tfc_tpg_base_attrs = sbp_tpg_base_attrs,
diff --git a/drivers/target/sbp/sbp_target.h b/drivers/target/sbp/sbp_target.h
index 6d0d74a2c54522cdbd277943c2a38291efd2c81a..73bcb12088322779ebcf8a325830859d2f29a672 100644
--- a/drivers/target/sbp/sbp_target.h
+++ b/drivers/target/sbp/sbp_target.h
@@ -125,7 +125,7 @@ struct sbp_login_descriptor {
struct sbp_session *sess;
struct list_head link;
- struct se_lun *lun;
+ u32 login_lun;
u64 status_fifo_addr;
int exclusive;
@@ -151,15 +151,6 @@ struct sbp_session {
u64 reconnect_expires;
};
-struct sbp_nacl {
- /* Initiator EUI-64 */
- u64 guid;
- /* ASCII formatted GUID for SBP Initiator port */
- char iport_name[SBP_NAMELEN];
- /* Returned by sbp_make_nodeacl() */
- struct se_node_acl se_node_acl;
-};
-
struct sbp_tpg {
/* Target portal group tag for TCM */
u16 tport_tpgt;
diff --git a/drivers/target/target_core_alua.c b/drivers/target/target_core_alua.c
index 8ca3737742765a9aca58c2890a9d11a0cfe50237..49aba4a31747c275dd51ab057808ec2b60202ca9 100644
--- a/drivers/target/target_core_alua.c
+++ b/drivers/target/target_core_alua.c
@@ -34,7 +34,6 @@
#include <target/target_core_base.h>
#include <target/target_core_backend.h>
#include <target/target_core_fabric.h>
-#include <target/target_core_configfs.h>
#include "target_core_internal.h"
#include "target_core_alua.h"
@@ -43,11 +42,13 @@
static sense_reason_t core_alua_check_transition(int state, int valid,
int *primary);
static int core_alua_set_tg_pt_secondary_state(
- struct t10_alua_tg_pt_gp_member *tg_pt_gp_mem,
- struct se_port *port, int explicit, int offline);
+ struct se_lun *lun, int explicit, int offline);
static char *core_alua_dump_state(int state);
+static void __target_attach_tg_pt_gp(struct se_lun *lun,
+ struct t10_alua_tg_pt_gp *tg_pt_gp);
+
static u16 alua_lu_gps_counter;
static u32 alua_lu_gps_count;
@@ -145,9 +146,8 @@ sense_reason_t
target_emulate_report_target_port_groups(struct se_cmd *cmd)
{
struct se_device *dev = cmd->se_dev;
- struct se_port *port;
struct t10_alua_tg_pt_gp *tg_pt_gp;
- struct t10_alua_tg_pt_gp_member *tg_pt_gp_mem;
+ struct se_lun *lun;
unsigned char *buf;
u32 rd_len = 0, off;
int ext_hdr = (cmd->t_task_cdb[1] & 0x20);
@@ -222,9 +222,8 @@ target_emulate_report_target_port_groups(struct se_cmd *cmd)
rd_len += 8;
spin_lock(&tg_pt_gp->tg_pt_gp_lock);
- list_for_each_entry(tg_pt_gp_mem, &tg_pt_gp->tg_pt_gp_mem_list,
- tg_pt_gp_mem_list) {
- port = tg_pt_gp_mem->tg_pt;
+ list_for_each_entry(lun, &tg_pt_gp->tg_pt_gp_lun_list,
+ lun_tg_pt_gp_link) {
/*
* Start Target Port descriptor format
*
@@ -234,8 +233,8 @@ target_emulate_report_target_port_groups(struct se_cmd *cmd)
/*
* Set RELATIVE TARGET PORT IDENTIFIER
*/
- buf[off++] = ((port->sep_rtpi >> 8) & 0xff);
- buf[off++] = (port->sep_rtpi & 0xff);
+ buf[off++] = ((lun->lun_rtpi >> 8) & 0xff);
+ buf[off++] = (lun->lun_rtpi & 0xff);
rd_len += 4;
}
spin_unlock(&tg_pt_gp->tg_pt_gp_lock);
@@ -259,15 +258,11 @@ target_emulate_report_target_port_groups(struct se_cmd *cmd)
* this CDB was received upon to determine this value individually
* for ALUA target port group.
*/
- port = cmd->se_lun->lun_sep;
- tg_pt_gp_mem = port->sep_alua_tg_pt_gp_mem;
- if (tg_pt_gp_mem) {
- spin_lock(&tg_pt_gp_mem->tg_pt_gp_mem_lock);
- tg_pt_gp = tg_pt_gp_mem->tg_pt_gp;
- if (tg_pt_gp)
- buf[5] = tg_pt_gp->tg_pt_gp_implicit_trans_secs;
- spin_unlock(&tg_pt_gp_mem->tg_pt_gp_mem_lock);
- }
+ spin_lock(&cmd->se_lun->lun_tg_pt_gp_lock);
+ tg_pt_gp = cmd->se_lun->lun_tg_pt_gp;
+ if (tg_pt_gp)
+ buf[5] = tg_pt_gp->tg_pt_gp_implicit_trans_secs;
+ spin_unlock(&cmd->se_lun->lun_tg_pt_gp_lock);
}
transport_kunmap_data_sg(cmd);
@@ -284,10 +279,9 @@ sense_reason_t
target_emulate_set_target_port_groups(struct se_cmd *cmd)
{
struct se_device *dev = cmd->se_dev;
- struct se_port *port, *l_port = cmd->se_lun->lun_sep;
+ struct se_lun *l_lun = cmd->se_lun;
struct se_node_acl *nacl = cmd->se_sess->se_node_acl;
struct t10_alua_tg_pt_gp *tg_pt_gp = NULL, *l_tg_pt_gp;
- struct t10_alua_tg_pt_gp_member *tg_pt_gp_mem, *l_tg_pt_gp_mem;
unsigned char *buf;
unsigned char *ptr;
sense_reason_t rc = TCM_NO_SENSE;
@@ -295,9 +289,6 @@ target_emulate_set_target_port_groups(struct se_cmd *cmd)
int alua_access_state, primary = 0, valid_states;
u16 tg_pt_id, rtpi;
- if (!l_port)
- return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
-
if (cmd->data_length < 4) {
pr_warn("SET TARGET PORT GROUPS parameter list length %u too"
" small\n", cmd->data_length);
@@ -312,29 +303,24 @@ target_emulate_set_target_port_groups(struct se_cmd *cmd)
* Determine if explicit ALUA via SET_TARGET_PORT_GROUPS is allowed
* for the local tg_pt_gp.
*/
- l_tg_pt_gp_mem = l_port->sep_alua_tg_pt_gp_mem;
- if (!l_tg_pt_gp_mem) {
- pr_err("Unable to access l_port->sep_alua_tg_pt_gp_mem\n");
- rc = TCM_UNSUPPORTED_SCSI_OPCODE;
- goto out;
- }
- spin_lock(&l_tg_pt_gp_mem->tg_pt_gp_mem_lock);
- l_tg_pt_gp = l_tg_pt_gp_mem->tg_pt_gp;
+ spin_lock(&l_lun->lun_tg_pt_gp_lock);
+ l_tg_pt_gp = l_lun->lun_tg_pt_gp;
if (!l_tg_pt_gp) {
- spin_unlock(&l_tg_pt_gp_mem->tg_pt_gp_mem_lock);
- pr_err("Unable to access *l_tg_pt_gp_mem->tg_pt_gp\n");
+ spin_unlock(&l_lun->lun_tg_pt_gp_lock);
+ pr_err("Unable to access l_lun->tg_pt_gp\n");
rc = TCM_UNSUPPORTED_SCSI_OPCODE;
goto out;
}
- spin_unlock(&l_tg_pt_gp_mem->tg_pt_gp_mem_lock);
if (!(l_tg_pt_gp->tg_pt_gp_alua_access_type & TPGS_EXPLICIT_ALUA)) {
+ spin_unlock(&l_lun->lun_tg_pt_gp_lock);
pr_debug("Unable to process SET_TARGET_PORT_GROUPS"
" while TPGS_EXPLICIT_ALUA is disabled\n");
rc = TCM_UNSUPPORTED_SCSI_OPCODE;
goto out;
}
valid_states = l_tg_pt_gp->tg_pt_gp_alua_supported_states;
+ spin_unlock(&l_lun->lun_tg_pt_gp_lock);
ptr = &buf[4]; /* Skip over RESERVED area in header */
@@ -396,7 +382,7 @@ target_emulate_set_target_port_groups(struct se_cmd *cmd)
spin_unlock(&dev->t10_alua.tg_pt_gps_lock);
if (!core_alua_do_port_transition(tg_pt_gp,
- dev, l_port, nacl,
+ dev, l_lun, nacl,
alua_access_state, 1))
found = true;
@@ -406,6 +392,8 @@ target_emulate_set_target_port_groups(struct se_cmd *cmd)
}
spin_unlock(&dev->t10_alua.tg_pt_gps_lock);
} else {
+ struct se_lun *lun;
+
/*
* Extract the RELATIVE TARGET PORT IDENTIFIER to identify
* the Target Port in question for the the incoming
@@ -417,17 +405,16 @@ target_emulate_set_target_port_groups(struct se_cmd *cmd)
* for the struct se_device storage object.
*/
spin_lock(&dev->se_port_lock);
- list_for_each_entry(port, &dev->dev_sep_list,
- sep_list) {
- if (port->sep_rtpi != rtpi)
+ list_for_each_entry(lun, &dev->dev_sep_list,
+ lun_dev_link) {
+ if (lun->lun_rtpi != rtpi)
continue;
- tg_pt_gp_mem = port->sep_alua_tg_pt_gp_mem;
-
+ // XXX: racy unlock
spin_unlock(&dev->se_port_lock);
if (!core_alua_set_tg_pt_secondary_state(
- tg_pt_gp_mem, port, 1, 1))
+ lun, 1, 1))
found = true;
spin_lock(&dev->se_port_lock);
@@ -696,9 +683,7 @@ target_alua_state_check(struct se_cmd *cmd)
struct se_device *dev = cmd->se_dev;
unsigned char *cdb = cmd->t_task_cdb;
struct se_lun *lun = cmd->se_lun;
- struct se_port *port = lun->lun_sep;
struct t10_alua_tg_pt_gp *tg_pt_gp;
- struct t10_alua_tg_pt_gp_member *tg_pt_gp_mem;
int out_alua_state, nonop_delay_msecs;
if (dev->se_hba->hba_flags & HBA_FLAGS_INTERNAL_USE)
@@ -706,33 +691,27 @@ target_alua_state_check(struct se_cmd *cmd)
if (dev->transport->transport_flags & TRANSPORT_FLAG_PASSTHROUGH)
return 0;
- if (!port)
- return 0;
/*
* First, check for a struct se_port specific secondary ALUA target port
* access state: OFFLINE
*/
- if (atomic_read(&port->sep_tg_pt_secondary_offline)) {
+ if (atomic_read(&lun->lun_tg_pt_secondary_offline)) {
pr_debug("ALUA: Got secondary offline status for local"
" target port\n");
set_ascq(cmd, ASCQ_04H_ALUA_OFFLINE);
return TCM_CHECK_CONDITION_NOT_READY;
}
- /*
- * Second, obtain the struct t10_alua_tg_pt_gp_member pointer to the
- * ALUA target port group, to obtain current ALUA access state.
- * Otherwise look for the underlying struct se_device association with
- * a ALUA logical unit group.
- */
- tg_pt_gp_mem = port->sep_alua_tg_pt_gp_mem;
- if (!tg_pt_gp_mem)
+
+ if (!lun->lun_tg_pt_gp)
return 0;
- spin_lock(&tg_pt_gp_mem->tg_pt_gp_mem_lock);
- tg_pt_gp = tg_pt_gp_mem->tg_pt_gp;
+ spin_lock(&lun->lun_tg_pt_gp_lock);
+ tg_pt_gp = lun->lun_tg_pt_gp;
out_alua_state = atomic_read(&tg_pt_gp->tg_pt_gp_alua_access_state);
nonop_delay_msecs = tg_pt_gp->tg_pt_gp_nonop_delay_msecs;
- spin_unlock(&tg_pt_gp_mem->tg_pt_gp_mem_lock);
+
+ // XXX: keeps using tg_pt_gp witout reference after unlock
+ spin_unlock(&lun->lun_tg_pt_gp_lock);
/*
* Process ALUA_ACCESS_STATE_ACTIVE_OPTIMIZED in a separate conditional
* statement so the compiler knows explicitly to check this case first.
@@ -764,7 +743,7 @@ target_alua_state_check(struct se_cmd *cmd)
break;
/*
* OFFLINE is a secondary ALUA target port group access state, that is
- * handled above with struct se_port->sep_tg_pt_secondary_offline=1
+ * handled above with struct se_lun->lun_tg_pt_secondary_offline=1
*/
case ALUA_ACCESS_STATE_OFFLINE:
default:
@@ -906,10 +885,6 @@ int core_alua_check_nonop_delay(
}
EXPORT_SYMBOL(core_alua_check_nonop_delay);
-/*
- * Called with tg_pt_gp->tg_pt_gp_md_mutex or tg_pt_gp_mem->sep_tg_pt_md_mutex
- *
- */
static int core_alua_write_tpg_metadata(
const char *path,
unsigned char *md_buf,
@@ -965,22 +940,15 @@ static int core_alua_update_tpg_primary_metadata(
return rc;
}
-static void core_alua_do_transition_tg_pt_work(struct work_struct *work)
+static void core_alua_queue_state_change_ua(struct t10_alua_tg_pt_gp *tg_pt_gp)
{
- struct t10_alua_tg_pt_gp *tg_pt_gp = container_of(work,
- struct t10_alua_tg_pt_gp, tg_pt_gp_transition_work.work);
- struct se_device *dev = tg_pt_gp->tg_pt_gp_dev;
struct se_dev_entry *se_deve;
+ struct se_lun *lun;
struct se_lun_acl *lacl;
- struct se_port *port;
- struct t10_alua_tg_pt_gp_member *mem;
- bool explicit = (tg_pt_gp->tg_pt_gp_alua_access_status ==
- ALUA_STATUS_ALTERED_BY_EXPLICIT_STPG);
spin_lock(&tg_pt_gp->tg_pt_gp_lock);
- list_for_each_entry(mem, &tg_pt_gp->tg_pt_gp_mem_list,
- tg_pt_gp_mem_list) {
- port = mem->tg_pt;
+ list_for_each_entry(lun, &tg_pt_gp->tg_pt_gp_lun_list,
+ lun_tg_pt_gp_link) {
/*
* After an implicit target port asymmetric access state
* change, a device server shall establish a unit attention
@@ -995,38 +963,58 @@ static void core_alua_do_transition_tg_pt_work(struct work_struct *work)
* every I_T nexus other than the I_T nexus on which the SET
* TARGET PORT GROUPS command
*/
- atomic_inc_mb(&mem->tg_pt_gp_mem_ref_cnt);
+ if (!percpu_ref_tryget_live(&lun->lun_ref))
+ continue;
spin_unlock(&tg_pt_gp->tg_pt_gp_lock);
- spin_lock_bh(&port->sep_alua_lock);
- list_for_each_entry(se_deve, &port->sep_alua_list,
- alua_port_list) {
- lacl = se_deve->se_lun_acl;
+ spin_lock(&lun->lun_deve_lock);
+ list_for_each_entry(se_deve, &lun->lun_deve_list, lun_link) {
+ lacl = rcu_dereference_check(se_deve->se_lun_acl,
+ lockdep_is_held(&lun->lun_deve_lock));
+
/*
- * se_deve->se_lun_acl pointer may be NULL for a
- * entry created without explicit Node+MappedLUN ACLs
+ * spc4r37 p.242:
+ * After an explicit target port asymmetric access
+ * state change, a device server shall establish a
+ * unit attention condition with the additional sense
+ * code set to ASYMMETRIC ACCESS STATE CHANGED for
+ * the initiator port associated with every I_T nexus
+ * other than the I_T nexus on which the SET TARGET
+ * PORT GROUPS command was received.
*/
- if (!lacl)
- continue;
-
if ((tg_pt_gp->tg_pt_gp_alua_access_status ==
ALUA_STATUS_ALTERED_BY_EXPLICIT_STPG) &&
- (tg_pt_gp->tg_pt_gp_alua_nacl != NULL) &&
- (tg_pt_gp->tg_pt_gp_alua_nacl == lacl->se_lun_nacl) &&
- (tg_pt_gp->tg_pt_gp_alua_port != NULL) &&
- (tg_pt_gp->tg_pt_gp_alua_port == port))
+ (tg_pt_gp->tg_pt_gp_alua_lun != NULL) &&
+ (tg_pt_gp->tg_pt_gp_alua_lun == lun))
continue;
- core_scsi3_ua_allocate(lacl->se_lun_nacl,
- se_deve->mapped_lun, 0x2A,
+ /*
+ * se_deve->se_lun_acl pointer may be NULL for a
+ * entry created without explicit Node+MappedLUN ACLs
+ */
+ if (lacl && (tg_pt_gp->tg_pt_gp_alua_nacl != NULL) &&
+ (tg_pt_gp->tg_pt_gp_alua_nacl == lacl->se_lun_nacl))
+ continue;
+
+ core_scsi3_ua_allocate(se_deve, 0x2A,
ASCQ_2AH_ASYMMETRIC_ACCESS_STATE_CHANGED);
}
- spin_unlock_bh(&port->sep_alua_lock);
+ spin_unlock(&lun->lun_deve_lock);
spin_lock(&tg_pt_gp->tg_pt_gp_lock);
- atomic_dec_mb(&mem->tg_pt_gp_mem_ref_cnt);
+ percpu_ref_put(&lun->lun_ref);
}
spin_unlock(&tg_pt_gp->tg_pt_gp_lock);
+}
+
+static void core_alua_do_transition_tg_pt_work(struct work_struct *work)
+{
+ struct t10_alua_tg_pt_gp *tg_pt_gp = container_of(work,
+ struct t10_alua_tg_pt_gp, tg_pt_gp_transition_work.work);
+ struct se_device *dev = tg_pt_gp->tg_pt_gp_dev;
+ bool explicit = (tg_pt_gp->tg_pt_gp_alua_access_status ==
+ ALUA_STATUS_ALTERED_BY_EXPLICIT_STPG);
+
/*
* Update the ALUA metadata buf that has been allocated in
* core_alua_do_port_transition(), this metadata will be written
@@ -1056,6 +1044,9 @@ static void core_alua_do_transition_tg_pt_work(struct work_struct *work)
tg_pt_gp->tg_pt_gp_id,
core_alua_dump_state(tg_pt_gp->tg_pt_gp_alua_previous_state),
core_alua_dump_state(tg_pt_gp->tg_pt_gp_alua_pending_state));
+
+ core_alua_queue_state_change_ua(tg_pt_gp);
+
spin_lock(&dev->t10_alua.tg_pt_gps_lock);
atomic_dec(&tg_pt_gp->tg_pt_gp_ref_cnt);
spin_unlock(&dev->t10_alua.tg_pt_gps_lock);
@@ -1108,6 +1099,8 @@ static int core_alua_do_transition_tg_pt(
ALUA_STATUS_ALTERED_BY_EXPLICIT_STPG :
ALUA_STATUS_ALTERED_BY_IMPLICIT_ALUA;
+ core_alua_queue_state_change_ua(tg_pt_gp);
+
/*
* Check for the optional ALUA primary state transition delay
*/
@@ -1142,7 +1135,7 @@ static int core_alua_do_transition_tg_pt(
int core_alua_do_port_transition(
struct t10_alua_tg_pt_gp *l_tg_pt_gp,
struct se_device *l_dev,
- struct se_port *l_port,
+ struct se_lun *l_lun,
struct se_node_acl *l_nacl,
int new_state,
int explicit)
@@ -1172,7 +1165,7 @@ int core_alua_do_port_transition(
* core_alua_do_transition_tg_pt() will always return
* success.
*/
- l_tg_pt_gp->tg_pt_gp_alua_port = l_port;
+ l_tg_pt_gp->tg_pt_gp_alua_lun = l_lun;
l_tg_pt_gp->tg_pt_gp_alua_nacl = l_nacl;
rc = core_alua_do_transition_tg_pt(l_tg_pt_gp,
new_state, explicit);
@@ -1211,10 +1204,10 @@ int core_alua_do_port_transition(
continue;
if (l_tg_pt_gp == tg_pt_gp) {
- tg_pt_gp->tg_pt_gp_alua_port = l_port;
+ tg_pt_gp->tg_pt_gp_alua_lun = l_lun;
tg_pt_gp->tg_pt_gp_alua_nacl = l_nacl;
} else {
- tg_pt_gp->tg_pt_gp_alua_port = NULL;
+ tg_pt_gp->tg_pt_gp_alua_lun = NULL;
tg_pt_gp->tg_pt_gp_alua_nacl = NULL;
}
atomic_inc_mb(&tg_pt_gp->tg_pt_gp_ref_cnt);
@@ -1251,22 +1244,20 @@ int core_alua_do_port_transition(
return rc;
}
-/*
- * Called with tg_pt_gp_mem->sep_tg_pt_md_mutex held
- */
-static int core_alua_update_tpg_secondary_metadata(
- struct t10_alua_tg_pt_gp_member *tg_pt_gp_mem,
- struct se_port *port)
+static int core_alua_update_tpg_secondary_metadata(struct se_lun *lun)
{
+ struct se_portal_group *se_tpg = lun->lun_tpg;
unsigned char *md_buf;
- struct se_portal_group *se_tpg = port->sep_tpg;
char path[ALUA_METADATA_PATH_LEN], wwn[ALUA_SECONDARY_METADATA_WWN_LEN];
int len, rc;
+ mutex_lock(&lun->lun_tg_pt_md_mutex);
+
md_buf = kzalloc(ALUA_MD_BUF_LEN, GFP_KERNEL);
if (!md_buf) {
pr_err("Unable to allocate buf for ALUA metadata\n");
- return -ENOMEM;
+ rc = -ENOMEM;
+ goto out_unlock;
}
memset(path, 0, ALUA_METADATA_PATH_LEN);
@@ -1281,32 +1272,33 @@ static int core_alua_update_tpg_secondary_metadata(
len = snprintf(md_buf, ALUA_MD_BUF_LEN, "alua_tg_pt_offline=%d\n"
"alua_tg_pt_status=0x%02x\n",
- atomic_read(&port->sep_tg_pt_secondary_offline),
- port->sep_tg_pt_secondary_stat);
+ atomic_read(&lun->lun_tg_pt_secondary_offline),
+ lun->lun_tg_pt_secondary_stat);
- snprintf(path, ALUA_METADATA_PATH_LEN, "/var/target/alua/%s/%s/lun_%u",
+ snprintf(path, ALUA_METADATA_PATH_LEN, "/var/target/alua/%s/%s/lun_%llu",
se_tpg->se_tpg_tfo->get_fabric_name(), wwn,
- port->sep_lun->unpacked_lun);
+ lun->unpacked_lun);
rc = core_alua_write_tpg_metadata(path, md_buf, len);
kfree(md_buf);
+out_unlock:
+ mutex_unlock(&lun->lun_tg_pt_md_mutex);
return rc;
}
static int core_alua_set_tg_pt_secondary_state(
- struct t10_alua_tg_pt_gp_member *tg_pt_gp_mem,
- struct se_port *port,
+ struct se_lun *lun,
int explicit,
int offline)
{
struct t10_alua_tg_pt_gp *tg_pt_gp;
int trans_delay_msecs;
- spin_lock(&tg_pt_gp_mem->tg_pt_gp_mem_lock);
- tg_pt_gp = tg_pt_gp_mem->tg_pt_gp;
+ spin_lock(&lun->lun_tg_pt_gp_lock);
+ tg_pt_gp = lun->lun_tg_pt_gp;
if (!tg_pt_gp) {
- spin_unlock(&tg_pt_gp_mem->tg_pt_gp_mem_lock);
+ spin_unlock(&lun->lun_tg_pt_gp_lock);
pr_err("Unable to complete secondary state"
" transition\n");
return -EINVAL;
@@ -1314,14 +1306,14 @@ static int core_alua_set_tg_pt_secondary_state(
trans_delay_msecs = tg_pt_gp->tg_pt_gp_trans_delay_msecs;
/*
* Set the secondary ALUA target port access state to OFFLINE
- * or release the previously secondary state for struct se_port
+ * or release the previously secondary state for struct se_lun
*/
if (offline)
- atomic_set(&port->sep_tg_pt_secondary_offline, 1);
+ atomic_set(&lun->lun_tg_pt_secondary_offline, 1);
else
- atomic_set(&port->sep_tg_pt_secondary_offline, 0);
+ atomic_set(&lun->lun_tg_pt_secondary_offline, 0);
- port->sep_tg_pt_secondary_stat = (explicit) ?
+ lun->lun_tg_pt_secondary_stat = (explicit) ?
ALUA_STATUS_ALTERED_BY_EXPLICIT_STPG :
ALUA_STATUS_ALTERED_BY_IMPLICIT_ALUA;
@@ -1330,7 +1322,7 @@ static int core_alua_set_tg_pt_secondary_state(
"implicit", config_item_name(&tg_pt_gp->tg_pt_gp_group.cg_item),
tg_pt_gp->tg_pt_gp_id, (offline) ? "OFFLINE" : "ONLINE");
- spin_unlock(&tg_pt_gp_mem->tg_pt_gp_mem_lock);
+ spin_unlock(&lun->lun_tg_pt_gp_lock);
/*
* Do the optional transition delay after we set the secondary
* ALUA access state.
@@ -1341,11 +1333,8 @@ static int core_alua_set_tg_pt_secondary_state(
* See if we need to update the ALUA fabric port metadata for
* secondary state and status
*/
- if (port->sep_tg_pt_secondary_write_md) {
- mutex_lock(&port->sep_tg_pt_md_mutex);
- core_alua_update_tpg_secondary_metadata(tg_pt_gp_mem, port);
- mutex_unlock(&port->sep_tg_pt_md_mutex);
- }
+ if (lun->lun_tg_pt_secondary_write_md)
+ core_alua_update_tpg_secondary_metadata(lun);
return 0;
}
@@ -1699,7 +1688,7 @@ struct t10_alua_tg_pt_gp *core_alua_allocate_tg_pt_gp(struct se_device *dev,
return NULL;
}
INIT_LIST_HEAD(&tg_pt_gp->tg_pt_gp_list);
- INIT_LIST_HEAD(&tg_pt_gp->tg_pt_gp_mem_list);
+ INIT_LIST_HEAD(&tg_pt_gp->tg_pt_gp_lun_list);
mutex_init(&tg_pt_gp->tg_pt_gp_md_mutex);
spin_lock_init(&tg_pt_gp->tg_pt_gp_lock);
atomic_set(&tg_pt_gp->tg_pt_gp_ref_cnt, 0);
@@ -1793,32 +1782,11 @@ int core_alua_set_tg_pt_gp_id(
return 0;
}
-struct t10_alua_tg_pt_gp_member *core_alua_allocate_tg_pt_gp_mem(
- struct se_port *port)
-{
- struct t10_alua_tg_pt_gp_member *tg_pt_gp_mem;
-
- tg_pt_gp_mem = kmem_cache_zalloc(t10_alua_tg_pt_gp_mem_cache,
- GFP_KERNEL);
- if (!tg_pt_gp_mem) {
- pr_err("Unable to allocate struct t10_alua_tg_pt_gp_member\n");
- return ERR_PTR(-ENOMEM);
- }
- INIT_LIST_HEAD(&tg_pt_gp_mem->tg_pt_gp_mem_list);
- spin_lock_init(&tg_pt_gp_mem->tg_pt_gp_mem_lock);
- atomic_set(&tg_pt_gp_mem->tg_pt_gp_mem_ref_cnt, 0);
-
- tg_pt_gp_mem->tg_pt = port;
- port->sep_alua_tg_pt_gp_mem = tg_pt_gp_mem;
-
- return tg_pt_gp_mem;
-}
-
void core_alua_free_tg_pt_gp(
struct t10_alua_tg_pt_gp *tg_pt_gp)
{
struct se_device *dev = tg_pt_gp->tg_pt_gp_dev;
- struct t10_alua_tg_pt_gp_member *tg_pt_gp_mem, *tg_pt_gp_mem_tmp;
+ struct se_lun *lun, *next;
/*
* Once we have reached this point, config_item_put() has already
@@ -1849,30 +1817,24 @@ void core_alua_free_tg_pt_gp(
* struct se_port.
*/
spin_lock(&tg_pt_gp->tg_pt_gp_lock);
- list_for_each_entry_safe(tg_pt_gp_mem, tg_pt_gp_mem_tmp,
- &tg_pt_gp->tg_pt_gp_mem_list, tg_pt_gp_mem_list) {
- if (tg_pt_gp_mem->tg_pt_gp_assoc) {
- list_del(&tg_pt_gp_mem->tg_pt_gp_mem_list);
- tg_pt_gp->tg_pt_gp_members--;
- tg_pt_gp_mem->tg_pt_gp_assoc = 0;
- }
+ list_for_each_entry_safe(lun, next,
+ &tg_pt_gp->tg_pt_gp_lun_list, lun_tg_pt_gp_link) {
+ list_del_init(&lun->lun_tg_pt_gp_link);
+ tg_pt_gp->tg_pt_gp_members--;
+
spin_unlock(&tg_pt_gp->tg_pt_gp_lock);
/*
- * tg_pt_gp_mem is associated with a single
- * se_port->sep_alua_tg_pt_gp_mem, and is released via
- * core_alua_free_tg_pt_gp_mem().
- *
* If the passed tg_pt_gp does NOT match the default_tg_pt_gp,
* assume we want to re-associate a given tg_pt_gp_mem with
* default_tg_pt_gp.
*/
- spin_lock(&tg_pt_gp_mem->tg_pt_gp_mem_lock);
+ spin_lock(&lun->lun_tg_pt_gp_lock);
if (tg_pt_gp != dev->t10_alua.default_tg_pt_gp) {
- __core_alua_attach_tg_pt_gp_mem(tg_pt_gp_mem,
+ __target_attach_tg_pt_gp(lun,
dev->t10_alua.default_tg_pt_gp);
} else
- tg_pt_gp_mem->tg_pt_gp = NULL;
- spin_unlock(&tg_pt_gp_mem->tg_pt_gp_mem_lock);
+ lun->lun_tg_pt_gp = NULL;
+ spin_unlock(&lun->lun_tg_pt_gp_lock);
spin_lock(&tg_pt_gp->tg_pt_gp_lock);
}
@@ -1881,35 +1843,6 @@ void core_alua_free_tg_pt_gp(
kmem_cache_free(t10_alua_tg_pt_gp_cache, tg_pt_gp);
}
-void core_alua_free_tg_pt_gp_mem(struct se_port *port)
-{
- struct t10_alua_tg_pt_gp *tg_pt_gp;
- struct t10_alua_tg_pt_gp_member *tg_pt_gp_mem;
-
- tg_pt_gp_mem = port->sep_alua_tg_pt_gp_mem;
- if (!tg_pt_gp_mem)
- return;
-
- while (atomic_read(&tg_pt_gp_mem->tg_pt_gp_mem_ref_cnt))
- cpu_relax();
-
- spin_lock(&tg_pt_gp_mem->tg_pt_gp_mem_lock);
- tg_pt_gp = tg_pt_gp_mem->tg_pt_gp;
- if (tg_pt_gp) {
- spin_lock(&tg_pt_gp->tg_pt_gp_lock);
- if (tg_pt_gp_mem->tg_pt_gp_assoc) {
- list_del(&tg_pt_gp_mem->tg_pt_gp_mem_list);
- tg_pt_gp->tg_pt_gp_members--;
- tg_pt_gp_mem->tg_pt_gp_assoc = 0;
- }
- spin_unlock(&tg_pt_gp->tg_pt_gp_lock);
- tg_pt_gp_mem->tg_pt_gp = NULL;
- }
- spin_unlock(&tg_pt_gp_mem->tg_pt_gp_mem_lock);
-
- kmem_cache_free(t10_alua_tg_pt_gp_mem_cache, tg_pt_gp_mem);
-}
-
static struct t10_alua_tg_pt_gp *core_alua_get_tg_pt_gp_by_name(
struct se_device *dev, const char *name)
{
@@ -1943,50 +1876,65 @@ static void core_alua_put_tg_pt_gp_from_name(
spin_unlock(&dev->t10_alua.tg_pt_gps_lock);
}
-/*
- * Called with struct t10_alua_tg_pt_gp_member->tg_pt_gp_mem_lock held
- */
-void __core_alua_attach_tg_pt_gp_mem(
- struct t10_alua_tg_pt_gp_member *tg_pt_gp_mem,
- struct t10_alua_tg_pt_gp *tg_pt_gp)
+static void __target_attach_tg_pt_gp(struct se_lun *lun,
+ struct t10_alua_tg_pt_gp *tg_pt_gp)
{
+ struct se_dev_entry *se_deve;
+
+ assert_spin_locked(&lun->lun_tg_pt_gp_lock);
+
spin_lock(&tg_pt_gp->tg_pt_gp_lock);
- tg_pt_gp_mem->tg_pt_gp = tg_pt_gp;
- tg_pt_gp_mem->tg_pt_gp_assoc = 1;
- list_add_tail(&tg_pt_gp_mem->tg_pt_gp_mem_list,
- &tg_pt_gp->tg_pt_gp_mem_list);
+ lun->lun_tg_pt_gp = tg_pt_gp;
+ list_add_tail(&lun->lun_tg_pt_gp_link, &tg_pt_gp->tg_pt_gp_lun_list);
tg_pt_gp->tg_pt_gp_members++;
+ spin_lock(&lun->lun_deve_lock);
+ list_for_each_entry(se_deve, &lun->lun_deve_list, lun_link)
+ core_scsi3_ua_allocate(se_deve, 0x3f,
+ ASCQ_3FH_INQUIRY_DATA_HAS_CHANGED);
+ spin_unlock(&lun->lun_deve_lock);
spin_unlock(&tg_pt_gp->tg_pt_gp_lock);
}
-/*
- * Called with struct t10_alua_tg_pt_gp_member->tg_pt_gp_mem_lock held
- */
-static void __core_alua_drop_tg_pt_gp_mem(
- struct t10_alua_tg_pt_gp_member *tg_pt_gp_mem,
- struct t10_alua_tg_pt_gp *tg_pt_gp)
+void target_attach_tg_pt_gp(struct se_lun *lun,
+ struct t10_alua_tg_pt_gp *tg_pt_gp)
{
+ spin_lock(&lun->lun_tg_pt_gp_lock);
+ __target_attach_tg_pt_gp(lun, tg_pt_gp);
+ spin_unlock(&lun->lun_tg_pt_gp_lock);
+}
+
+static void __target_detach_tg_pt_gp(struct se_lun *lun,
+ struct t10_alua_tg_pt_gp *tg_pt_gp)
+{
+ assert_spin_locked(&lun->lun_tg_pt_gp_lock);
+
spin_lock(&tg_pt_gp->tg_pt_gp_lock);
- list_del(&tg_pt_gp_mem->tg_pt_gp_mem_list);
- tg_pt_gp_mem->tg_pt_gp = NULL;
- tg_pt_gp_mem->tg_pt_gp_assoc = 0;
+ list_del_init(&lun->lun_tg_pt_gp_link);
tg_pt_gp->tg_pt_gp_members--;
spin_unlock(&tg_pt_gp->tg_pt_gp_lock);
+
+ lun->lun_tg_pt_gp = NULL;
}
-ssize_t core_alua_show_tg_pt_gp_info(struct se_port *port, char *page)
+void target_detach_tg_pt_gp(struct se_lun *lun)
+{
+ struct t10_alua_tg_pt_gp *tg_pt_gp;
+
+ spin_lock(&lun->lun_tg_pt_gp_lock);
+ tg_pt_gp = lun->lun_tg_pt_gp;
+ if (tg_pt_gp)
+ __target_detach_tg_pt_gp(lun, tg_pt_gp);
+ spin_unlock(&lun->lun_tg_pt_gp_lock);
+}
+
+ssize_t core_alua_show_tg_pt_gp_info(struct se_lun *lun, char *page)
{
struct config_item *tg_pt_ci;
struct t10_alua_tg_pt_gp *tg_pt_gp;
- struct t10_alua_tg_pt_gp_member *tg_pt_gp_mem;
ssize_t len = 0;
- tg_pt_gp_mem = port->sep_alua_tg_pt_gp_mem;
- if (!tg_pt_gp_mem)
- return len;
-
- spin_lock(&tg_pt_gp_mem->tg_pt_gp_mem_lock);
- tg_pt_gp = tg_pt_gp_mem->tg_pt_gp;
+ spin_lock(&lun->lun_tg_pt_gp_lock);
+ tg_pt_gp = lun->lun_tg_pt_gp;
if (tg_pt_gp) {
tg_pt_ci = &tg_pt_gp->tg_pt_gp_group.cg_item;
len += sprintf(page, "TG Port Alias: %s\nTG Port Group ID:"
@@ -1998,34 +1946,33 @@ ssize_t core_alua_show_tg_pt_gp_info(struct se_port *port, char *page)
&tg_pt_gp->tg_pt_gp_alua_access_state)),
core_alua_dump_status(
tg_pt_gp->tg_pt_gp_alua_access_status),
- (atomic_read(&port->sep_tg_pt_secondary_offline)) ?
+ atomic_read(&lun->lun_tg_pt_secondary_offline) ?
"Offline" : "None",
- core_alua_dump_status(port->sep_tg_pt_secondary_stat));
+ core_alua_dump_status(lun->lun_tg_pt_secondary_stat));
}
- spin_unlock(&tg_pt_gp_mem->tg_pt_gp_mem_lock);
+ spin_unlock(&lun->lun_tg_pt_gp_lock);
return len;
}
ssize_t core_alua_store_tg_pt_gp_info(
- struct se_port *port,
+ struct se_lun *lun,
const char *page,
size_t count)
{
- struct se_portal_group *tpg;
- struct se_lun *lun;
- struct se_device *dev = port->sep_lun->lun_se_dev;
+ struct se_portal_group *tpg = lun->lun_tpg;
+ /*
+ * rcu_dereference_raw protected by se_lun->lun_group symlink
+ * reference to se_device->dev_group.
+ */
+ struct se_device *dev = rcu_dereference_raw(lun->lun_se_dev);
struct t10_alua_tg_pt_gp *tg_pt_gp = NULL, *tg_pt_gp_new = NULL;
- struct t10_alua_tg_pt_gp_member *tg_pt_gp_mem;
unsigned char buf[TG_PT_GROUP_NAME_BUF];
int move = 0;
- tpg = port->sep_tpg;
- lun = port->sep_lun;
-
- tg_pt_gp_mem = port->sep_alua_tg_pt_gp_mem;
- if (!tg_pt_gp_mem)
- return 0;
+ if (dev->transport->transport_flags & TRANSPORT_FLAG_PASSTHROUGH ||
+ (dev->se_hba->hba_flags & HBA_FLAGS_INTERNAL_USE))
+ return -ENODEV;
if (count > TG_PT_GROUP_NAME_BUF) {
pr_err("ALUA Target Port Group alias too large!\n");
@@ -2049,8 +1996,8 @@ ssize_t core_alua_store_tg_pt_gp_info(
return -ENODEV;
}
- spin_lock(&tg_pt_gp_mem->tg_pt_gp_mem_lock);
- tg_pt_gp = tg_pt_gp_mem->tg_pt_gp;
+ spin_lock(&lun->lun_tg_pt_gp_lock);
+ tg_pt_gp = lun->lun_tg_pt_gp;
if (tg_pt_gp) {
/*
* Clearing an existing tg_pt_gp association, and replacing
@@ -2068,24 +2015,19 @@ ssize_t core_alua_store_tg_pt_gp_info(
&tg_pt_gp->tg_pt_gp_group.cg_item),
tg_pt_gp->tg_pt_gp_id);
- __core_alua_drop_tg_pt_gp_mem(tg_pt_gp_mem, tg_pt_gp);
- __core_alua_attach_tg_pt_gp_mem(tg_pt_gp_mem,
+ __target_detach_tg_pt_gp(lun, tg_pt_gp);
+ __target_attach_tg_pt_gp(lun,
dev->t10_alua.default_tg_pt_gp);
- spin_unlock(&tg_pt_gp_mem->tg_pt_gp_mem_lock);
+ spin_unlock(&lun->lun_tg_pt_gp_lock);
return count;
}
- /*
- * Removing existing association of tg_pt_gp_mem with tg_pt_gp
- */
- __core_alua_drop_tg_pt_gp_mem(tg_pt_gp_mem, tg_pt_gp);
+ __target_detach_tg_pt_gp(lun, tg_pt_gp);
move = 1;
}
- /*
- * Associate tg_pt_gp_mem with tg_pt_gp_new.
- */
- __core_alua_attach_tg_pt_gp_mem(tg_pt_gp_mem, tg_pt_gp_new);
- spin_unlock(&tg_pt_gp_mem->tg_pt_gp_mem_lock);
+
+ __target_attach_tg_pt_gp(lun, tg_pt_gp_new);
+ spin_unlock(&lun->lun_tg_pt_gp_lock);
pr_debug("Target_Core_ConfigFS: %s %s/tpgt_%hu/%s to ALUA"
" Target Port Group: alua/%s, ID: %hu\n", (move) ?
"Moving" : "Adding", tpg->se_tpg_tfo->tpg_get_wwn(tpg),
@@ -2268,11 +2210,8 @@ ssize_t core_alua_store_preferred_bit(
ssize_t core_alua_show_offline_bit(struct se_lun *lun, char *page)
{
- if (!lun->lun_sep)
- return -ENODEV;
-
return sprintf(page, "%d\n",
- atomic_read(&lun->lun_sep->sep_tg_pt_secondary_offline));
+ atomic_read(&lun->lun_tg_pt_secondary_offline));
}
ssize_t core_alua_store_offline_bit(
@@ -2280,11 +2219,16 @@ ssize_t core_alua_store_offline_bit(
const char *page,
size_t count)
{
- struct t10_alua_tg_pt_gp_member *tg_pt_gp_mem;
+ /*
+ * rcu_dereference_raw protected by se_lun->lun_group symlink
+ * reference to se_device->dev_group.
+ */
+ struct se_device *dev = rcu_dereference_raw(lun->lun_se_dev);
unsigned long tmp;
int ret;
- if (!lun->lun_sep)
+ if (dev->transport->transport_flags & TRANSPORT_FLAG_PASSTHROUGH ||
+ (dev->se_hba->hba_flags & HBA_FLAGS_INTERNAL_USE))
return -ENODEV;
ret = kstrtoul(page, 0, &tmp);
@@ -2297,14 +2241,8 @@ ssize_t core_alua_store_offline_bit(
tmp);
return -EINVAL;
}
- tg_pt_gp_mem = lun->lun_sep->sep_alua_tg_pt_gp_mem;
- if (!tg_pt_gp_mem) {
- pr_err("Unable to locate *tg_pt_gp_mem\n");
- return -EINVAL;
- }
- ret = core_alua_set_tg_pt_secondary_state(tg_pt_gp_mem,
- lun->lun_sep, 0, (int)tmp);
+ ret = core_alua_set_tg_pt_secondary_state(lun, 0, (int)tmp);
if (ret < 0)
return -EINVAL;
@@ -2315,7 +2253,7 @@ ssize_t core_alua_show_secondary_status(
struct se_lun *lun,
char *page)
{
- return sprintf(page, "%d\n", lun->lun_sep->sep_tg_pt_secondary_stat);
+ return sprintf(page, "%d\n", lun->lun_tg_pt_secondary_stat);
}
ssize_t core_alua_store_secondary_status(
@@ -2338,7 +2276,7 @@ ssize_t core_alua_store_secondary_status(
tmp);
return -EINVAL;
}
- lun->lun_sep->sep_tg_pt_secondary_stat = (int)tmp;
+ lun->lun_tg_pt_secondary_stat = (int)tmp;
return count;
}
@@ -2347,8 +2285,7 @@ ssize_t core_alua_show_secondary_write_metadata(
struct se_lun *lun,
char *page)
{
- return sprintf(page, "%d\n",
- lun->lun_sep->sep_tg_pt_secondary_write_md);
+ return sprintf(page, "%d\n", lun->lun_tg_pt_secondary_write_md);
}
ssize_t core_alua_store_secondary_write_metadata(
@@ -2369,7 +2306,7 @@ ssize_t core_alua_store_secondary_write_metadata(
" %lu\n", tmp);
return -EINVAL;
}
- lun->lun_sep->sep_tg_pt_secondary_write_md = (int)tmp;
+ lun->lun_tg_pt_secondary_write_md = (int)tmp;
return count;
}
diff --git a/drivers/target/target_core_alua.h b/drivers/target/target_core_alua.h
index 0a7d65e804045e465a488ae52c521a4669d4b9ba..9b250f9b33bfb830ff194e3b0bf028f9e0ff02fb 100644
--- a/drivers/target/target_core_alua.h
+++ b/drivers/target/target_core_alua.h
@@ -85,7 +85,6 @@
extern struct kmem_cache *t10_alua_lu_gp_cache;
extern struct kmem_cache *t10_alua_lu_gp_mem_cache;
extern struct kmem_cache *t10_alua_tg_pt_gp_cache;
-extern struct kmem_cache *t10_alua_tg_pt_gp_mem_cache;
extern struct kmem_cache *t10_alua_lba_map_cache;
extern struct kmem_cache *t10_alua_lba_map_mem_cache;
@@ -94,7 +93,7 @@ extern sense_reason_t target_emulate_set_target_port_groups(struct se_cmd *);
extern sense_reason_t target_emulate_report_referrals(struct se_cmd *);
extern int core_alua_check_nonop_delay(struct se_cmd *);
extern int core_alua_do_port_transition(struct t10_alua_tg_pt_gp *,
- struct se_device *, struct se_port *,
+ struct se_device *, struct se_lun *,
struct se_node_acl *, int, int);
extern char *core_alua_dump_status(int);
extern struct t10_alua_lba_map *core_alua_allocate_lba_map(
@@ -117,14 +116,11 @@ extern void core_alua_drop_lu_gp_dev(struct se_device *);
extern struct t10_alua_tg_pt_gp *core_alua_allocate_tg_pt_gp(
struct se_device *, const char *, int);
extern int core_alua_set_tg_pt_gp_id(struct t10_alua_tg_pt_gp *, u16);
-extern struct t10_alua_tg_pt_gp_member *core_alua_allocate_tg_pt_gp_mem(
- struct se_port *);
extern void core_alua_free_tg_pt_gp(struct t10_alua_tg_pt_gp *);
-extern void core_alua_free_tg_pt_gp_mem(struct se_port *);
-extern void __core_alua_attach_tg_pt_gp_mem(struct t10_alua_tg_pt_gp_member *,
- struct t10_alua_tg_pt_gp *);
-extern ssize_t core_alua_show_tg_pt_gp_info(struct se_port *, char *);
-extern ssize_t core_alua_store_tg_pt_gp_info(struct se_port *, const char *,
+extern void target_detach_tg_pt_gp(struct se_lun *);
+extern void target_attach_tg_pt_gp(struct se_lun *, struct t10_alua_tg_pt_gp *);
+extern ssize_t core_alua_show_tg_pt_gp_info(struct se_lun *, char *);
+extern ssize_t core_alua_store_tg_pt_gp_info(struct se_lun *, const char *,
size_t);
extern ssize_t core_alua_show_access_type(struct t10_alua_tg_pt_gp *, char *);
extern ssize_t core_alua_store_access_type(struct t10_alua_tg_pt_gp *,
diff --git a/drivers/target/target_core_configfs.c b/drivers/target/target_core_configfs.c
index e7b0430a0575d0403dbb38b0fd4d41df1ccce79d..0b0de36474784987c781906243eabbed27ecab00 100644
--- a/drivers/target/target_core_configfs.c
+++ b/drivers/target/target_core_configfs.c
@@ -41,7 +41,6 @@
#include <target/target_core_backend.h>
#include <target/target_core_fabric.h>
#include <target/target_core_fabric_configfs.h>
-#include <target/target_core_configfs.h>
#include <target/configfs_macros.h>
#include "target_core_internal.h"
@@ -51,15 +50,26 @@
#include "target_core_xcopy.h"
#define TB_CIT_SETUP(_name, _item_ops, _group_ops, _attrs) \
-static void target_core_setup_##_name##_cit(struct se_subsystem_api *sa) \
+static void target_core_setup_##_name##_cit(struct target_backend *tb) \
{ \
- struct target_backend_cits *tbc = &sa->tb_cits; \
- struct config_item_type *cit = &tbc->tb_##_name##_cit; \
+ struct config_item_type *cit = &tb->tb_##_name##_cit; \
\
cit->ct_item_ops = _item_ops; \
cit->ct_group_ops = _group_ops; \
cit->ct_attrs = _attrs; \
- cit->ct_owner = sa->owner; \
+ cit->ct_owner = tb->ops->owner; \
+ pr_debug("Setup generic %s\n", __stringify(_name)); \
+}
+
+#define TB_CIT_SETUP_DRV(_name, _item_ops, _group_ops) \
+static void target_core_setup_##_name##_cit(struct target_backend *tb) \
+{ \
+ struct config_item_type *cit = &tb->tb_##_name##_cit; \
+ \
+ cit->ct_item_ops = _item_ops; \
+ cit->ct_group_ops = _group_ops; \
+ cit->ct_attrs = tb->ops->tb_##_name##_attrs; \
+ cit->ct_owner = tb->ops->owner; \
pr_debug("Setup generic %s\n", __stringify(_name)); \
}
@@ -92,7 +102,7 @@ static ssize_t target_core_attr_show(struct config_item *item,
char *page)
{
return sprintf(page, "Target Engine Core ConfigFS Infrastructure %s"
- " on %s/%s on "UTS_RELEASE"\n", TARGET_CORE_CONFIGFS_VERSION,
+ " on %s/%s on "UTS_RELEASE"\n", TARGET_CORE_VERSION,
utsname()->sysname, utsname()->machine);
}
@@ -116,7 +126,7 @@ static struct target_fabric_configfs *target_core_get_fabric(
mutex_lock(&g_tf_lock);
list_for_each_entry(tf, &g_tf_list, tf_list) {
- if (!strcmp(tf->tf_name, name)) {
+ if (!strcmp(tf->tf_ops->name, name)) {
atomic_inc(&tf->tf_access_cnt);
mutex_unlock(&g_tf_lock);
return tf;
@@ -193,29 +203,24 @@ static struct config_group *target_core_register_fabric(
return ERR_PTR(-EINVAL);
}
pr_debug("Target_Core_ConfigFS: REGISTER -> Located fabric:"
- " %s\n", tf->tf_name);
+ " %s\n", tf->tf_ops->name);
/*
* On a successful target_core_get_fabric() look, the returned
* struct target_fabric_configfs *tf will contain a usage reference.
*/
pr_debug("Target_Core_ConfigFS: REGISTER tfc_wwn_cit -> %p\n",
- &tf->tf_cit_tmpl.tfc_wwn_cit);
+ &tf->tf_wwn_cit);
tf->tf_group.default_groups = tf->tf_default_groups;
tf->tf_group.default_groups[0] = &tf->tf_disc_group;
tf->tf_group.default_groups[1] = NULL;
- config_group_init_type_name(&tf->tf_group, name,
- &tf->tf_cit_tmpl.tfc_wwn_cit);
+ config_group_init_type_name(&tf->tf_group, name, &tf->tf_wwn_cit);
config_group_init_type_name(&tf->tf_disc_group, "discovery_auth",
- &tf->tf_cit_tmpl.tfc_discovery_cit);
+ &tf->tf_discovery_cit);
pr_debug("Target_Core_ConfigFS: REGISTER -> Allocated Fabric:"
" %s\n", tf->tf_group.cg_item.ci_name);
- tf->tf_fabric = &tf->tf_group.cg_item;
- pr_debug("Target_Core_ConfigFS: REGISTER -> Set tf->tf_fabric"
- " for %s\n", name);
-
return &tf->tf_group;
}
@@ -236,13 +241,9 @@ static void target_core_deregister_fabric(
" tf list\n", config_item_name(item));
pr_debug("Target_Core_ConfigFS: DEREGISTER -> located fabric:"
- " %s\n", tf->tf_name);
+ " %s\n", tf->tf_ops->name);
atomic_dec(&tf->tf_access_cnt);
- pr_debug("Target_Core_ConfigFS: DEREGISTER -> Releasing"
- " tf->tf_fabric for %s\n", tf->tf_name);
- tf->tf_fabric = NULL;
-
pr_debug("Target_Core_ConfigFS: DEREGISTER -> Releasing ci"
" %s\n", config_item_name(item));
@@ -318,10 +319,6 @@ static int target_fabric_tf_ops_check(const struct target_core_fabric_ops *tfo)
pr_err("Missing tfo->get_fabric_name()\n");
return -EINVAL;
}
- if (!tfo->get_fabric_proto_ident) {
- pr_err("Missing tfo->get_fabric_proto_ident()\n");
- return -EINVAL;
- }
if (!tfo->tpg_get_wwn) {
pr_err("Missing tfo->tpg_get_wwn()\n");
return -EINVAL;
@@ -330,18 +327,6 @@ static int target_fabric_tf_ops_check(const struct target_core_fabric_ops *tfo)
pr_err("Missing tfo->tpg_get_tag()\n");
return -EINVAL;
}
- if (!tfo->tpg_get_default_depth) {
- pr_err("Missing tfo->tpg_get_default_depth()\n");
- return -EINVAL;
- }
- if (!tfo->tpg_get_pr_transport_id) {
- pr_err("Missing tfo->tpg_get_pr_transport_id()\n");
- return -EINVAL;
- }
- if (!tfo->tpg_get_pr_transport_id_len) {
- pr_err("Missing tfo->tpg_get_pr_transport_id_len()\n");
- return -EINVAL;
- }
if (!tfo->tpg_check_demo_mode) {
pr_err("Missing tfo->tpg_check_demo_mode()\n");
return -EINVAL;
@@ -358,14 +343,6 @@ static int target_fabric_tf_ops_check(const struct target_core_fabric_ops *tfo)
pr_err("Missing tfo->tpg_check_prod_mode_write_protect()\n");
return -EINVAL;
}
- if (!tfo->tpg_alloc_fabric_acl) {
- pr_err("Missing tfo->tpg_alloc_fabric_acl()\n");
- return -EINVAL;
- }
- if (!tfo->tpg_release_fabric_acl) {
- pr_err("Missing tfo->tpg_release_fabric_acl()\n");
- return -EINVAL;
- }
if (!tfo->tpg_get_inst_index) {
pr_err("Missing tfo->tpg_get_inst_index()\n");
return -EINVAL;
@@ -398,10 +375,6 @@ static int target_fabric_tf_ops_check(const struct target_core_fabric_ops *tfo)
pr_err("Missing tfo->set_default_node_attributes()\n");
return -EINVAL;
}
- if (!tfo->get_task_tag) {
- pr_err("Missing tfo->get_task_tag()\n");
- return -EINVAL;
- }
if (!tfo->get_cmd_state) {
pr_err("Missing tfo->get_cmd_state()\n");
return -EINVAL;
@@ -464,15 +437,7 @@ int target_register_template(const struct target_core_fabric_ops *fo)
INIT_LIST_HEAD(&tf->tf_list);
atomic_set(&tf->tf_access_cnt, 0);
-
- /*
- * Setup the default generic struct config_item_type's (cits) in
- * struct target_fabric_configfs->tf_cit_tmpl
- */
- tf->tf_module = fo->module;
- snprintf(tf->tf_name, TARGET_FABRIC_NAME_SIZE, "%s", fo->name);
-
- tf->tf_ops = *fo;
+ tf->tf_ops = fo;
target_fabric_setup_cits(tf);
mutex_lock(&g_tf_lock);
@@ -489,7 +454,7 @@ void target_unregister_template(const struct target_core_fabric_ops *fo)
mutex_lock(&g_tf_lock);
list_for_each_entry(t, &g_tf_list, tf_list) {
- if (!strcmp(t->tf_name, fo->name)) {
+ if (!strcmp(t->tf_ops->name, fo->name)) {
BUG_ON(atomic_read(&t->tf_access_cnt));
list_del(&t->tf_list);
kfree(t);
@@ -505,16 +470,605 @@ EXPORT_SYMBOL(target_unregister_template);
//############################################################################*/
/* Start functions for struct config_item_type tb_dev_attrib_cit */
+#define DEF_TB_DEV_ATTRIB_SHOW(_name) \
+static ssize_t show_##_name(struct se_dev_attrib *da, char *page) \
+{ \
+ return snprintf(page, PAGE_SIZE, "%u\n", da->_name); \
+}
+
+DEF_TB_DEV_ATTRIB_SHOW(emulate_model_alias);
+DEF_TB_DEV_ATTRIB_SHOW(emulate_dpo);
+DEF_TB_DEV_ATTRIB_SHOW(emulate_fua_write);
+DEF_TB_DEV_ATTRIB_SHOW(emulate_fua_read);
+DEF_TB_DEV_ATTRIB_SHOW(emulate_write_cache);
+DEF_TB_DEV_ATTRIB_SHOW(emulate_ua_intlck_ctrl);
+DEF_TB_DEV_ATTRIB_SHOW(emulate_tas);
+DEF_TB_DEV_ATTRIB_SHOW(emulate_tpu);
+DEF_TB_DEV_ATTRIB_SHOW(emulate_tpws);
+DEF_TB_DEV_ATTRIB_SHOW(emulate_caw);
+DEF_TB_DEV_ATTRIB_SHOW(emulate_3pc);
+DEF_TB_DEV_ATTRIB_SHOW(pi_prot_type);
+DEF_TB_DEV_ATTRIB_SHOW(hw_pi_prot_type);
+DEF_TB_DEV_ATTRIB_SHOW(pi_prot_format);
+DEF_TB_DEV_ATTRIB_SHOW(enforce_pr_isids);
+DEF_TB_DEV_ATTRIB_SHOW(is_nonrot);
+DEF_TB_DEV_ATTRIB_SHOW(emulate_rest_reord);
+DEF_TB_DEV_ATTRIB_SHOW(force_pr_aptpl);
+DEF_TB_DEV_ATTRIB_SHOW(hw_block_size);
+DEF_TB_DEV_ATTRIB_SHOW(block_size);
+DEF_TB_DEV_ATTRIB_SHOW(hw_max_sectors);
+DEF_TB_DEV_ATTRIB_SHOW(optimal_sectors);
+DEF_TB_DEV_ATTRIB_SHOW(hw_queue_depth);
+DEF_TB_DEV_ATTRIB_SHOW(queue_depth);
+DEF_TB_DEV_ATTRIB_SHOW(max_unmap_lba_count);
+DEF_TB_DEV_ATTRIB_SHOW(max_unmap_block_desc_count);
+DEF_TB_DEV_ATTRIB_SHOW(unmap_granularity);
+DEF_TB_DEV_ATTRIB_SHOW(unmap_granularity_alignment);
+DEF_TB_DEV_ATTRIB_SHOW(max_write_same_len);
+
+#define DEF_TB_DEV_ATTRIB_STORE_U32(_name) \
+static ssize_t store_##_name(struct se_dev_attrib *da, const char *page,\
+ size_t count) \
+{ \
+ u32 val; \
+ int ret; \
+ \
+ ret = kstrtou32(page, 0, &val); \
+ if (ret < 0) \
+ return ret; \
+ da->_name = val; \
+ return count; \
+}
+
+DEF_TB_DEV_ATTRIB_STORE_U32(max_unmap_lba_count);
+DEF_TB_DEV_ATTRIB_STORE_U32(max_unmap_block_desc_count);
+DEF_TB_DEV_ATTRIB_STORE_U32(unmap_granularity);
+DEF_TB_DEV_ATTRIB_STORE_U32(unmap_granularity_alignment);
+DEF_TB_DEV_ATTRIB_STORE_U32(max_write_same_len);
+
+#define DEF_TB_DEV_ATTRIB_STORE_BOOL(_name) \
+static ssize_t store_##_name(struct se_dev_attrib *da, const char *page,\
+ size_t count) \
+{ \
+ bool flag; \
+ int ret; \
+ \
+ ret = strtobool(page, &flag); \
+ if (ret < 0) \
+ return ret; \
+ da->_name = flag; \
+ return count; \
+}
+
+DEF_TB_DEV_ATTRIB_STORE_BOOL(emulate_fua_write);
+DEF_TB_DEV_ATTRIB_STORE_BOOL(emulate_caw);
+DEF_TB_DEV_ATTRIB_STORE_BOOL(emulate_3pc);
+DEF_TB_DEV_ATTRIB_STORE_BOOL(enforce_pr_isids);
+DEF_TB_DEV_ATTRIB_STORE_BOOL(is_nonrot);
+
+#define DEF_TB_DEV_ATTRIB_STORE_STUB(_name) \
+static ssize_t store_##_name(struct se_dev_attrib *da, const char *page,\
+ size_t count) \
+{ \
+ printk_once(KERN_WARNING \
+ "ignoring deprecated ##_name## attribute\n"); \
+ return count; \
+}
+
+DEF_TB_DEV_ATTRIB_STORE_STUB(emulate_dpo);
+DEF_TB_DEV_ATTRIB_STORE_STUB(emulate_fua_read);
+
+static void dev_set_t10_wwn_model_alias(struct se_device *dev)
+{
+ const char *configname;
+
+ configname = config_item_name(&dev->dev_group.cg_item);
+ if (strlen(configname) >= 16) {
+ pr_warn("dev[%p]: Backstore name '%s' is too long for "
+ "INQUIRY_MODEL, truncating to 16 bytes\n", dev,
+ configname);
+ }
+ snprintf(&dev->t10_wwn.model[0], 16, "%s", configname);
+}
+
+static ssize_t store_emulate_model_alias(struct se_dev_attrib *da,
+ const char *page, size_t count)
+{
+ struct se_device *dev = da->da_dev;
+ bool flag;
+ int ret;
+
+ if (dev->export_count) {
+ pr_err("dev[%p]: Unable to change model alias"
+ " while export_count is %d\n",
+ dev, dev->export_count);
+ return -EINVAL;
+ }
+
+ ret = strtobool(page, &flag);
+ if (ret < 0)
+ return ret;
+
+ if (flag) {
+ dev_set_t10_wwn_model_alias(dev);
+ } else {
+ strncpy(&dev->t10_wwn.model[0],
+ dev->transport->inquiry_prod, 16);
+ }
+ da->emulate_model_alias = flag;
+ return count;
+}
+
+static ssize_t store_emulate_write_cache(struct se_dev_attrib *da,
+ const char *page, size_t count)
+{
+ bool flag;
+ int ret;
+
+ ret = strtobool(page, &flag);
+ if (ret < 0)
+ return ret;
+
+ if (flag && da->da_dev->transport->get_write_cache) {
+ pr_err("emulate_write_cache not supported for this device\n");
+ return -EINVAL;
+ }
+
+ da->emulate_write_cache = flag;
+ pr_debug("dev[%p]: SE Device WRITE_CACHE_EMULATION flag: %d\n",
+ da->da_dev, flag);
+ return count;
+}
+
+static ssize_t store_emulate_ua_intlck_ctrl(struct se_dev_attrib *da,
+ const char *page, size_t count)
+{
+ u32 val;
+ int ret;
+
+ ret = kstrtou32(page, 0, &val);
+ if (ret < 0)
+ return ret;
+
+ if (val != 0 && val != 1 && val != 2) {
+ pr_err("Illegal value %d\n", val);
+ return -EINVAL;
+ }
+
+ if (da->da_dev->export_count) {
+ pr_err("dev[%p]: Unable to change SE Device"
+ " UA_INTRLCK_CTRL while export_count is %d\n",
+ da->da_dev, da->da_dev->export_count);
+ return -EINVAL;
+ }
+ da->emulate_ua_intlck_ctrl = val;
+ pr_debug("dev[%p]: SE Device UA_INTRLCK_CTRL flag: %d\n",
+ da->da_dev, val);
+ return count;
+}
+
+static ssize_t store_emulate_tas(struct se_dev_attrib *da,
+ const char *page, size_t count)
+{
+ bool flag;
+ int ret;
+
+ ret = strtobool(page, &flag);
+ if (ret < 0)
+ return ret;
+
+ if (da->da_dev->export_count) {
+ pr_err("dev[%p]: Unable to change SE Device TAS while"
+ " export_count is %d\n",
+ da->da_dev, da->da_dev->export_count);
+ return -EINVAL;
+ }
+ da->emulate_tas = flag;
+ pr_debug("dev[%p]: SE Device TASK_ABORTED status bit: %s\n",
+ da->da_dev, flag ? "Enabled" : "Disabled");
+
+ return count;
+}
+
+static ssize_t store_emulate_tpu(struct se_dev_attrib *da,
+ const char *page, size_t count)
+{
+ bool flag;
+ int ret;
+
+ ret = strtobool(page, &flag);
+ if (ret < 0)
+ return ret;
+
+ /*
+ * We expect this value to be non-zero when generic Block Layer
+ * Discard supported is detected iblock_create_virtdevice().
+ */
+ if (flag && !da->max_unmap_block_desc_count) {
+ pr_err("Generic Block Discard not supported\n");
+ return -ENOSYS;
+ }
+
+ da->emulate_tpu = flag;
+ pr_debug("dev[%p]: SE Device Thin Provisioning UNMAP bit: %d\n",
+ da->da_dev, flag);
+ return count;
+}
+
+static ssize_t store_emulate_tpws(struct se_dev_attrib *da,
+ const char *page, size_t count)
+{
+ bool flag;
+ int ret;
+
+ ret = strtobool(page, &flag);
+ if (ret < 0)
+ return ret;
+
+ /*
+ * We expect this value to be non-zero when generic Block Layer
+ * Discard supported is detected iblock_create_virtdevice().
+ */
+ if (flag && !da->max_unmap_block_desc_count) {
+ pr_err("Generic Block Discard not supported\n");
+ return -ENOSYS;
+ }
+
+ da->emulate_tpws = flag;
+ pr_debug("dev[%p]: SE Device Thin Provisioning WRITE_SAME: %d\n",
+ da->da_dev, flag);
+ return count;
+}
+
+static ssize_t store_pi_prot_type(struct se_dev_attrib *da,
+ const char *page, size_t count)
+{
+ int old_prot = da->pi_prot_type, ret;
+ struct se_device *dev = da->da_dev;
+ u32 flag;
+
+ ret = kstrtou32(page, 0, &flag);
+ if (ret < 0)
+ return ret;
+
+ if (flag != 0 && flag != 1 && flag != 2 && flag != 3) {
+ pr_err("Illegal value %d for pi_prot_type\n", flag);
+ return -EINVAL;
+ }
+ if (flag == 2) {
+ pr_err("DIF TYPE2 protection currently not supported\n");
+ return -ENOSYS;
+ }
+ if (da->hw_pi_prot_type) {
+ pr_warn("DIF protection enabled on underlying hardware,"
+ " ignoring\n");
+ return count;
+ }
+ if (!dev->transport->init_prot || !dev->transport->free_prot) {
+ /* 0 is only allowed value for non-supporting backends */
+ if (flag == 0)
+ return 0;
+
+ pr_err("DIF protection not supported by backend: %s\n",
+ dev->transport->name);
+ return -ENOSYS;
+ }
+ if (!(dev->dev_flags & DF_CONFIGURED)) {
+ pr_err("DIF protection requires device to be configured\n");
+ return -ENODEV;
+ }
+ if (dev->export_count) {
+ pr_err("dev[%p]: Unable to change SE Device PROT type while"
+ " export_count is %d\n", dev, dev->export_count);
+ return -EINVAL;
+ }
+
+ da->pi_prot_type = flag;
+
+ if (flag && !old_prot) {
+ ret = dev->transport->init_prot(dev);
+ if (ret) {
+ da->pi_prot_type = old_prot;
+ return ret;
+ }
+
+ } else if (!flag && old_prot) {
+ dev->transport->free_prot(dev);
+ }
+
+ pr_debug("dev[%p]: SE Device Protection Type: %d\n", dev, flag);
+ return count;
+}
+
+static ssize_t store_pi_prot_format(struct se_dev_attrib *da,
+ const char *page, size_t count)
+{
+ struct se_device *dev = da->da_dev;
+ bool flag;
+ int ret;
+
+ ret = strtobool(page, &flag);
+ if (ret < 0)
+ return ret;
+
+ if (!flag)
+ return count;
+
+ if (!dev->transport->format_prot) {
+ pr_err("DIF protection format not supported by backend %s\n",
+ dev->transport->name);
+ return -ENOSYS;
+ }
+ if (!(dev->dev_flags & DF_CONFIGURED)) {
+ pr_err("DIF protection format requires device to be configured\n");
+ return -ENODEV;
+ }
+ if (dev->export_count) {
+ pr_err("dev[%p]: Unable to format SE Device PROT type while"
+ " export_count is %d\n", dev, dev->export_count);
+ return -EINVAL;
+ }
+
+ ret = dev->transport->format_prot(dev);
+ if (ret)
+ return ret;
+
+ pr_debug("dev[%p]: SE Device Protection Format complete\n", dev);
+ return count;
+}
+
+static ssize_t store_force_pr_aptpl(struct se_dev_attrib *da,
+ const char *page, size_t count)
+{
+ bool flag;
+ int ret;
+
+ ret = strtobool(page, &flag);
+ if (ret < 0)
+ return ret;
+ if (da->da_dev->export_count) {
+ pr_err("dev[%p]: Unable to set force_pr_aptpl while"
+ " export_count is %d\n",
+ da->da_dev, da->da_dev->export_count);
+ return -EINVAL;
+ }
+
+ da->force_pr_aptpl = flag;
+ pr_debug("dev[%p]: SE Device force_pr_aptpl: %d\n", da->da_dev, flag);
+ return count;
+}
+
+static ssize_t store_emulate_rest_reord(struct se_dev_attrib *da,
+ const char *page, size_t count)
+{
+ bool flag;
+ int ret;
+
+ ret = strtobool(page, &flag);
+ if (ret < 0)
+ return ret;
+
+ if (flag != 0) {
+ printk(KERN_ERR "dev[%p]: SE Device emulation of restricted"
+ " reordering not implemented\n", da->da_dev);
+ return -ENOSYS;
+ }
+ da->emulate_rest_reord = flag;
+ pr_debug("dev[%p]: SE Device emulate_rest_reord: %d\n",
+ da->da_dev, flag);
+ return count;
+}
+
+/*
+ * Note, this can only be called on unexported SE Device Object.
+ */
+static ssize_t store_queue_depth(struct se_dev_attrib *da,
+ const char *page, size_t count)
+{
+ struct se_device *dev = da->da_dev;
+ u32 val;
+ int ret;
+
+ ret = kstrtou32(page, 0, &val);
+ if (ret < 0)
+ return ret;
+
+ if (dev->export_count) {
+ pr_err("dev[%p]: Unable to change SE Device TCQ while"
+ " export_count is %d\n",
+ dev, dev->export_count);
+ return -EINVAL;
+ }
+ if (!val) {
+ pr_err("dev[%p]: Illegal ZERO value for queue_depth\n", dev);
+ return -EINVAL;
+ }
+
+ if (val > dev->dev_attrib.queue_depth) {
+ if (val > dev->dev_attrib.hw_queue_depth) {
+ pr_err("dev[%p]: Passed queue_depth:"
+ " %u exceeds TCM/SE_Device MAX"
+ " TCQ: %u\n", dev, val,
+ dev->dev_attrib.hw_queue_depth);
+ return -EINVAL;
+ }
+ }
+ da->queue_depth = dev->queue_depth = val;
+ pr_debug("dev[%p]: SE Device TCQ Depth changed to: %u\n", dev, val);
+ return count;
+}
+
+static ssize_t store_optimal_sectors(struct se_dev_attrib *da,
+ const char *page, size_t count)
+{
+ u32 val;
+ int ret;
+
+ ret = kstrtou32(page, 0, &val);
+ if (ret < 0)
+ return ret;
+
+ if (da->da_dev->export_count) {
+ pr_err("dev[%p]: Unable to change SE Device"
+ " optimal_sectors while export_count is %d\n",
+ da->da_dev, da->da_dev->export_count);
+ return -EINVAL;
+ }
+ if (val > da->hw_max_sectors) {
+ pr_err("dev[%p]: Passed optimal_sectors %u cannot be"
+ " greater than hw_max_sectors: %u\n",
+ da->da_dev, val, da->hw_max_sectors);
+ return -EINVAL;
+ }
+
+ da->optimal_sectors = val;
+ pr_debug("dev[%p]: SE Device optimal_sectors changed to %u\n",
+ da->da_dev, val);
+ return count;
+}
+
+static ssize_t store_block_size(struct se_dev_attrib *da,
+ const char *page, size_t count)
+{
+ u32 val;
+ int ret;
+
+ ret = kstrtou32(page, 0, &val);
+ if (ret < 0)
+ return ret;
+
+ if (da->da_dev->export_count) {
+ pr_err("dev[%p]: Unable to change SE Device block_size"
+ " while export_count is %d\n",
+ da->da_dev, da->da_dev->export_count);
+ return -EINVAL;
+ }
+
+ if (val != 512 && val != 1024 && val != 2048 && val != 4096) {
+ pr_err("dev[%p]: Illegal value for block_device: %u"
+ " for SE device, must be 512, 1024, 2048 or 4096\n",
+ da->da_dev, val);
+ return -EINVAL;
+ }
+
+ da->block_size = val;
+ if (da->max_bytes_per_io)
+ da->hw_max_sectors = da->max_bytes_per_io / val;
+
+ pr_debug("dev[%p]: SE Device block_size changed to %u\n",
+ da->da_dev, val);
+ return count;
+}
+
+CONFIGFS_EATTR_STRUCT(target_backend_dev_attrib, se_dev_attrib);
+#define TB_DEV_ATTR(_backend, _name, _mode) \
+static struct target_backend_dev_attrib_attribute _backend##_dev_attrib_##_name = \
+ __CONFIGFS_EATTR(_name, _mode, \
+ show_##_name, \
+ store_##_name);
+
+#define TB_DEV_ATTR_RO(_backend, _name) \
+static struct target_backend_dev_attrib_attribute _backend##_dev_attrib_##_name = \
+ __CONFIGFS_EATTR_RO(_name, \
+ show_##_name);
+
+TB_DEV_ATTR(target_core, emulate_model_alias, S_IRUGO | S_IWUSR);
+TB_DEV_ATTR(target_core, emulate_dpo, S_IRUGO | S_IWUSR);
+TB_DEV_ATTR(target_core, emulate_fua_write, S_IRUGO | S_IWUSR);
+TB_DEV_ATTR(target_core, emulate_fua_read, S_IRUGO | S_IWUSR);
+TB_DEV_ATTR(target_core, emulate_write_cache, S_IRUGO | S_IWUSR);
+TB_DEV_ATTR(target_core, emulate_ua_intlck_ctrl, S_IRUGO | S_IWUSR);
+TB_DEV_ATTR(target_core, emulate_tas, S_IRUGO | S_IWUSR);
+TB_DEV_ATTR(target_core, emulate_tpu, S_IRUGO | S_IWUSR);
+TB_DEV_ATTR(target_core, emulate_tpws, S_IRUGO | S_IWUSR);
+TB_DEV_ATTR(target_core, emulate_caw, S_IRUGO | S_IWUSR);
+TB_DEV_ATTR(target_core, emulate_3pc, S_IRUGO | S_IWUSR);
+TB_DEV_ATTR(target_core, pi_prot_type, S_IRUGO | S_IWUSR);
+TB_DEV_ATTR_RO(target_core, hw_pi_prot_type);
+TB_DEV_ATTR(target_core, pi_prot_format, S_IRUGO | S_IWUSR);
+TB_DEV_ATTR(target_core, enforce_pr_isids, S_IRUGO | S_IWUSR);
+TB_DEV_ATTR(target_core, is_nonrot, S_IRUGO | S_IWUSR);
+TB_DEV_ATTR(target_core, emulate_rest_reord, S_IRUGO | S_IWUSR);
+TB_DEV_ATTR(target_core, force_pr_aptpl, S_IRUGO | S_IWUSR)
+TB_DEV_ATTR_RO(target_core, hw_block_size);
+TB_DEV_ATTR(target_core, block_size, S_IRUGO | S_IWUSR)
+TB_DEV_ATTR_RO(target_core, hw_max_sectors);
+TB_DEV_ATTR(target_core, optimal_sectors, S_IRUGO | S_IWUSR);
+TB_DEV_ATTR_RO(target_core, hw_queue_depth);
+TB_DEV_ATTR(target_core, queue_depth, S_IRUGO | S_IWUSR);
+TB_DEV_ATTR(target_core, max_unmap_lba_count, S_IRUGO | S_IWUSR);
+TB_DEV_ATTR(target_core, max_unmap_block_desc_count, S_IRUGO | S_IWUSR);
+TB_DEV_ATTR(target_core, unmap_granularity, S_IRUGO | S_IWUSR);
+TB_DEV_ATTR(target_core, unmap_granularity_alignment, S_IRUGO | S_IWUSR);
+TB_DEV_ATTR(target_core, max_write_same_len, S_IRUGO | S_IWUSR);
CONFIGFS_EATTR_STRUCT(target_core_dev_attrib, se_dev_attrib);
CONFIGFS_EATTR_OPS(target_core_dev_attrib, se_dev_attrib, da_group);
+/*
+ * dev_attrib attributes for devices using the target core SBC/SPC
+ * interpreter. Any backend using spc_parse_cdb should be using
+ * these.
+ */
+struct configfs_attribute *sbc_attrib_attrs[] = {
+ &target_core_dev_attrib_emulate_model_alias.attr,
+ &target_core_dev_attrib_emulate_dpo.attr,
+ &target_core_dev_attrib_emulate_fua_write.attr,
+ &target_core_dev_attrib_emulate_fua_read.attr,
+ &target_core_dev_attrib_emulate_write_cache.attr,
+ &target_core_dev_attrib_emulate_ua_intlck_ctrl.attr,
+ &target_core_dev_attrib_emulate_tas.attr,
+ &target_core_dev_attrib_emulate_tpu.attr,
+ &target_core_dev_attrib_emulate_tpws.attr,
+ &target_core_dev_attrib_emulate_caw.attr,
+ &target_core_dev_attrib_emulate_3pc.attr,
+ &target_core_dev_attrib_pi_prot_type.attr,
+ &target_core_dev_attrib_hw_pi_prot_type.attr,
+ &target_core_dev_attrib_pi_prot_format.attr,
+ &target_core_dev_attrib_enforce_pr_isids.attr,
+ &target_core_dev_attrib_is_nonrot.attr,
+ &target_core_dev_attrib_emulate_rest_reord.attr,
+ &target_core_dev_attrib_force_pr_aptpl.attr,
+ &target_core_dev_attrib_hw_block_size.attr,
+ &target_core_dev_attrib_block_size.attr,
+ &target_core_dev_attrib_hw_max_sectors.attr,
+ &target_core_dev_attrib_optimal_sectors.attr,
+ &target_core_dev_attrib_hw_queue_depth.attr,
+ &target_core_dev_attrib_queue_depth.attr,
+ &target_core_dev_attrib_max_unmap_lba_count.attr,
+ &target_core_dev_attrib_max_unmap_block_desc_count.attr,
+ &target_core_dev_attrib_unmap_granularity.attr,
+ &target_core_dev_attrib_unmap_granularity_alignment.attr,
+ &target_core_dev_attrib_max_write_same_len.attr,
+ NULL,
+};
+EXPORT_SYMBOL(sbc_attrib_attrs);
+
+TB_DEV_ATTR_RO(target_pt, hw_pi_prot_type);
+TB_DEV_ATTR_RO(target_pt, hw_block_size);
+TB_DEV_ATTR_RO(target_pt, hw_max_sectors);
+TB_DEV_ATTR_RO(target_pt, hw_queue_depth);
+
+/*
+ * Minimal dev_attrib attributes for devices passing through CDBs.
+ * In this case we only provide a few read-only attributes for
+ * backwards compatibility.
+ */
+struct configfs_attribute *passthrough_attrib_attrs[] = {
+ &target_pt_dev_attrib_hw_pi_prot_type.attr,
+ &target_pt_dev_attrib_hw_block_size.attr,
+ &target_pt_dev_attrib_hw_max_sectors.attr,
+ &target_pt_dev_attrib_hw_queue_depth.attr,
+ NULL,
+};
+EXPORT_SYMBOL(passthrough_attrib_attrs);
+
static struct configfs_item_operations target_core_dev_attrib_ops = {
.show_attribute = target_core_dev_attrib_attr_show,
.store_attribute = target_core_dev_attrib_attr_store,
};
-TB_CIT_SETUP(dev_attrib, &target_core_dev_attrib_ops, NULL, NULL);
+TB_CIT_SETUP_DRV(dev_attrib, &target_core_dev_attrib_ops, NULL);
/* End functions for struct config_item_type tb_dev_attrib_cit */
@@ -862,7 +1416,6 @@ static ssize_t target_core_dev_pr_show_attr_res_pr_holder_tg_port(
struct se_device *dev, char *page)
{
struct se_node_acl *se_nacl;
- struct se_lun *lun;
struct se_portal_group *se_tpg;
struct t10_pr_registration *pr_reg;
const struct target_core_fabric_ops *tfo;
@@ -877,7 +1430,6 @@ static ssize_t target_core_dev_pr_show_attr_res_pr_holder_tg_port(
se_nacl = pr_reg->pr_reg_nacl;
se_tpg = se_nacl->se_tpg;
- lun = pr_reg->pr_reg_tg_pt_lun;
tfo = se_tpg->se_tpg_tfo;
len += sprintf(page+len, "SPC-3 Reservation: %s"
@@ -885,9 +1437,9 @@ static ssize_t target_core_dev_pr_show_attr_res_pr_holder_tg_port(
tfo->tpg_get_wwn(se_tpg));
len += sprintf(page+len, "SPC-3 Reservation: Relative Port"
" Identifier Tag: %hu %s Portal Group Tag: %hu"
- " %s Logical Unit: %u\n", lun->lun_sep->sep_rtpi,
+ " %s Logical Unit: %llu\n", pr_reg->tg_pt_sep_rtpi,
tfo->get_fabric_name(), tfo->tpg_get_tag(se_tpg),
- tfo->get_fabric_name(), lun->unpacked_lun);
+ tfo->get_fabric_name(), pr_reg->pr_aptpl_target_lun);
out_unlock:
spin_unlock(&dev->dev_reservation_lock);
@@ -1012,12 +1564,12 @@ static match_table_t tokens = {
{Opt_res_type, "res_type=%d"},
{Opt_res_scope, "res_scope=%d"},
{Opt_res_all_tg_pt, "res_all_tg_pt=%d"},
- {Opt_mapped_lun, "mapped_lun=%d"},
+ {Opt_mapped_lun, "mapped_lun=%lld"},
{Opt_target_fabric, "target_fabric=%s"},
{Opt_target_node, "target_node=%s"},
{Opt_tpgt, "tpgt=%d"},
{Opt_port_rtpi, "port_rtpi=%d"},
- {Opt_target_lun, "target_lun=%d"},
+ {Opt_target_lun, "target_lun=%lld"},
{Opt_err, NULL}
};
@@ -1032,10 +1584,10 @@ static ssize_t target_core_dev_pr_store_attr_res_aptpl_metadata(
substring_t args[MAX_OPT_ARGS];
unsigned long long tmp_ll;
u64 sa_res_key = 0;
- u32 mapped_lun = 0, target_lun = 0;
+ u64 mapped_lun = 0, target_lun = 0;
int ret = -1, res_holder = 0, all_tg_pt = 0, arg, token;
- u16 port_rpti = 0, tpgt = 0;
- u8 type = 0, scope;
+ u16 tpgt = 0;
+ u8 type = 0;
if (dev->transport->transport_flags & TRANSPORT_FLAG_PASSTHROUGH)
return 0;
@@ -1115,7 +1667,6 @@ static ssize_t target_core_dev_pr_store_attr_res_aptpl_metadata(
break;
case Opt_res_scope:
match_int(args, &arg);
- scope = (u8)arg;
break;
case Opt_res_all_tg_pt:
match_int(args, &arg);
@@ -1123,7 +1674,7 @@ static ssize_t target_core_dev_pr_store_attr_res_aptpl_metadata(
break;
case Opt_mapped_lun:
match_int(args, &arg);
- mapped_lun = (u32)arg;
+ mapped_lun = (u64)arg;
break;
/*
* PR APTPL Metadata for Target Port
@@ -1155,11 +1706,10 @@ static ssize_t target_core_dev_pr_store_attr_res_aptpl_metadata(
break;
case Opt_port_rtpi:
match_int(args, &arg);
- port_rpti = (u16)arg;
break;
case Opt_target_lun:
match_int(args, &arg);
- target_lun = (u32)arg;
+ target_lun = (u64)arg;
break;
default:
break;
@@ -1223,13 +1773,13 @@ TB_CIT_SETUP(dev_pr, &target_core_dev_pr_ops, NULL, target_core_dev_pr_attrs);
static ssize_t target_core_show_dev_info(void *p, char *page)
{
struct se_device *dev = p;
- struct se_subsystem_api *t = dev->transport;
int bl = 0;
ssize_t read_bytes = 0;
transport_dump_dev_state(dev, page, &bl);
read_bytes += bl;
- read_bytes += t->show_configfs_dev_params(dev, page+read_bytes);
+ read_bytes += dev->transport->show_configfs_dev_params(dev,
+ page+read_bytes);
return read_bytes;
}
@@ -1247,9 +1797,8 @@ static ssize_t target_core_store_dev_control(
size_t count)
{
struct se_device *dev = p;
- struct se_subsystem_api *t = dev->transport;
- return t->set_configfs_dev_params(dev, page, count);
+ return dev->transport->set_configfs_dev_params(dev, page, count);
}
static struct target_core_configfs_attribute target_core_attr_dev_control = {
@@ -2339,21 +2888,16 @@ static ssize_t target_core_alua_tg_pt_gp_show_attr_members(
struct t10_alua_tg_pt_gp *tg_pt_gp,
char *page)
{
- struct se_port *port;
- struct se_portal_group *tpg;
struct se_lun *lun;
- struct t10_alua_tg_pt_gp_member *tg_pt_gp_mem;
ssize_t len = 0, cur_len;
unsigned char buf[TG_PT_GROUP_NAME_BUF];
memset(buf, 0, TG_PT_GROUP_NAME_BUF);
spin_lock(&tg_pt_gp->tg_pt_gp_lock);
- list_for_each_entry(tg_pt_gp_mem, &tg_pt_gp->tg_pt_gp_mem_list,
- tg_pt_gp_mem_list) {
- port = tg_pt_gp_mem->tg_pt;
- tpg = port->sep_tpg;
- lun = port->sep_lun;
+ list_for_each_entry(lun, &tg_pt_gp->tg_pt_gp_lun_list,
+ lun_tg_pt_gp_link) {
+ struct se_portal_group *tpg = lun->lun_tpg;
cur_len = snprintf(buf, TG_PT_GROUP_NAME_BUF, "%s/%s/tpgt_%hu"
"/%s\n", tpg->se_tpg_tfo->get_fabric_name(),
@@ -2526,9 +3070,9 @@ static struct config_group *target_core_make_subdev(
const char *name)
{
struct t10_alua_tg_pt_gp *tg_pt_gp;
- struct se_subsystem_api *t;
struct config_item *hba_ci = &group->cg_item;
struct se_hba *hba = item_to_hba(hba_ci);
+ struct target_backend *tb = hba->backend;
struct se_device *dev;
struct config_group *dev_cg = NULL, *tg_pt_gp_cg = NULL;
struct config_group *dev_stat_grp = NULL;
@@ -2537,10 +3081,6 @@ static struct config_group *target_core_make_subdev(
ret = mutex_lock_interruptible(&hba->hba_access_mutex);
if (ret)
return ERR_PTR(ret);
- /*
- * Locate the struct se_subsystem_api from parent's struct se_hba.
- */
- t = hba->transport;
dev = target_alloc_device(hba, name);
if (!dev)
@@ -2553,17 +3093,17 @@ static struct config_group *target_core_make_subdev(
if (!dev_cg->default_groups)
goto out_free_device;
- config_group_init_type_name(dev_cg, name, &t->tb_cits.tb_dev_cit);
+ config_group_init_type_name(dev_cg, name, &tb->tb_dev_cit);
config_group_init_type_name(&dev->dev_attrib.da_group, "attrib",
- &t->tb_cits.tb_dev_attrib_cit);
+ &tb->tb_dev_attrib_cit);
config_group_init_type_name(&dev->dev_pr_group, "pr",
- &t->tb_cits.tb_dev_pr_cit);
+ &tb->tb_dev_pr_cit);
config_group_init_type_name(&dev->t10_wwn.t10_wwn_group, "wwn",
- &t->tb_cits.tb_dev_wwn_cit);
+ &tb->tb_dev_wwn_cit);
config_group_init_type_name(&dev->t10_alua.alua_tg_pt_gps_group,
- "alua", &t->tb_cits.tb_dev_alua_tg_pt_gps_cit);
+ "alua", &tb->tb_dev_alua_tg_pt_gps_cit);
config_group_init_type_name(&dev->dev_stat_grps.stat_group,
- "statistics", &t->tb_cits.tb_dev_stat_cit);
+ "statistics", &tb->tb_dev_stat_cit);
dev_cg->default_groups[0] = &dev->dev_attrib.da_group;
dev_cg->default_groups[1] = &dev->dev_pr_group;
@@ -2693,8 +3233,8 @@ static ssize_t target_core_hba_show_attr_hba_info(
char *page)
{
return sprintf(page, "HBA Index: %d plugin: %s version: %s\n",
- hba->hba_id, hba->transport->name,
- TARGET_CORE_CONFIGFS_VERSION);
+ hba->hba_id, hba->backend->ops->name,
+ TARGET_CORE_VERSION);
}
SE_HBA_ATTR_RO(hba_info);
@@ -2713,11 +3253,10 @@ static ssize_t target_core_hba_show_attr_hba_mode(struct se_hba *hba,
static ssize_t target_core_hba_store_attr_hba_mode(struct se_hba *hba,
const char *page, size_t count)
{
- struct se_subsystem_api *transport = hba->transport;
unsigned long mode_flag;
int ret;
- if (transport->pmode_enable_hba == NULL)
+ if (hba->backend->ops->pmode_enable_hba == NULL)
return -EINVAL;
ret = kstrtoul(page, 0, &mode_flag);
@@ -2731,7 +3270,7 @@ static ssize_t target_core_hba_store_attr_hba_mode(struct se_hba *hba,
return -EINVAL;
}
- ret = transport->pmode_enable_hba(hba, mode_flag);
+ ret = hba->backend->ops->pmode_enable_hba(hba, mode_flag);
if (ret < 0)
return -EINVAL;
if (ret > 0)
@@ -2857,16 +3396,15 @@ static struct config_item_type target_core_cit = {
/* Stop functions for struct config_item_type target_core_hba_cit */
-void target_core_setup_sub_cits(struct se_subsystem_api *sa)
+void target_setup_backend_cits(struct target_backend *tb)
{
- target_core_setup_dev_cit(sa);
- target_core_setup_dev_attrib_cit(sa);
- target_core_setup_dev_pr_cit(sa);
- target_core_setup_dev_wwn_cit(sa);
- target_core_setup_dev_alua_tg_pt_gps_cit(sa);
- target_core_setup_dev_stat_cit(sa);
+ target_core_setup_dev_cit(tb);
+ target_core_setup_dev_attrib_cit(tb);
+ target_core_setup_dev_pr_cit(tb);
+ target_core_setup_dev_wwn_cit(tb);
+ target_core_setup_dev_alua_tg_pt_gps_cit(tb);
+ target_core_setup_dev_stat_cit(tb);
}
-EXPORT_SYMBOL(target_core_setup_sub_cits);
static int __init target_core_init_configfs(void)
{
@@ -2968,7 +3506,7 @@ static int __init target_core_init_configfs(void)
goto out_global;
}
pr_debug("TARGET_CORE[0]: Initialized ConfigFS Fabric"
- " Infrastructure: "TARGET_CORE_CONFIGFS_VERSION" on %s/%s"
+ " Infrastructure: "TARGET_CORE_VERSION" on %s/%s"
" on "UTS_RELEASE"\n", utsname()->sysname, utsname()->machine);
/*
* Register built-in RAMDISK subsystem logic for virtual LUN 0
diff --git a/drivers/target/target_core_device.c b/drivers/target/target_core_device.c
index 417f88b498c72585570398f6f783850c5473bd67..09e682b1c54953477a59057a6b3f3098c5dfbbf5 100644
--- a/drivers/target/target_core_device.c
+++ b/drivers/target/target_core_device.c
@@ -56,40 +56,37 @@ static struct se_hba *lun0_hba;
struct se_device *g_lun0_dev;
sense_reason_t
-transport_lookup_cmd_lun(struct se_cmd *se_cmd, u32 unpacked_lun)
+transport_lookup_cmd_lun(struct se_cmd *se_cmd, u64 unpacked_lun)
{
struct se_lun *se_lun = NULL;
struct se_session *se_sess = se_cmd->se_sess;
- struct se_device *dev;
- unsigned long flags;
-
- if (unpacked_lun >= TRANSPORT_MAX_LUNS_PER_TPG)
- return TCM_NON_EXISTENT_LUN;
-
- spin_lock_irqsave(&se_sess->se_node_acl->device_list_lock, flags);
- se_cmd->se_deve = se_sess->se_node_acl->device_list[unpacked_lun];
- if (se_cmd->se_deve->lun_flags & TRANSPORT_LUNFLAGS_INITIATOR_ACCESS) {
- struct se_dev_entry *deve = se_cmd->se_deve;
+ struct se_node_acl *nacl = se_sess->se_node_acl;
+ struct se_dev_entry *deve;
- deve->total_cmds++;
+ rcu_read_lock();
+ deve = target_nacl_find_deve(nacl, unpacked_lun);
+ if (deve) {
+ atomic_long_inc(&deve->total_cmds);
if ((se_cmd->data_direction == DMA_TO_DEVICE) &&
(deve->lun_flags & TRANSPORT_LUNFLAGS_READ_ONLY)) {
pr_err("TARGET_CORE[%s]: Detected WRITE_PROTECTED LUN"
- " Access for 0x%08x\n",
+ " Access for 0x%08llx\n",
se_cmd->se_tfo->get_fabric_name(),
unpacked_lun);
- spin_unlock_irqrestore(&se_sess->se_node_acl->device_list_lock, flags);
+ rcu_read_unlock();
return TCM_WRITE_PROTECTED;
}
if (se_cmd->data_direction == DMA_TO_DEVICE)
- deve->write_bytes += se_cmd->data_length;
+ atomic_long_add(se_cmd->data_length,
+ &deve->write_bytes);
else if (se_cmd->data_direction == DMA_FROM_DEVICE)
- deve->read_bytes += se_cmd->data_length;
+ atomic_long_add(se_cmd->data_length,
+ &deve->read_bytes);
- se_lun = deve->se_lun;
- se_cmd->se_lun = deve->se_lun;
+ se_lun = rcu_dereference(deve->se_lun);
+ se_cmd->se_lun = rcu_dereference(deve->se_lun);
se_cmd->pr_res_key = deve->pr_res_key;
se_cmd->orig_fe_lun = unpacked_lun;
se_cmd->se_cmd_flags |= SCF_SE_LUN_CMD;
@@ -97,7 +94,7 @@ transport_lookup_cmd_lun(struct se_cmd *se_cmd, u32 unpacked_lun)
percpu_ref_get(&se_lun->lun_ref);
se_cmd->lun_ref_active = true;
}
- spin_unlock_irqrestore(&se_sess->se_node_acl->device_list_lock, flags);
+ rcu_read_unlock();
if (!se_lun) {
/*
@@ -107,7 +104,7 @@ transport_lookup_cmd_lun(struct se_cmd *se_cmd, u32 unpacked_lun)
*/
if (unpacked_lun != 0) {
pr_err("TARGET_CORE[%s]: Detected NON_EXISTENT_LUN"
- " Access for 0x%08x\n",
+ " Access for 0x%08llx\n",
se_cmd->se_tfo->get_fabric_name(),
unpacked_lun);
return TCM_NON_EXISTENT_LUN;
@@ -119,64 +116,66 @@ transport_lookup_cmd_lun(struct se_cmd *se_cmd, u32 unpacked_lun)
(se_cmd->data_direction != DMA_NONE))
return TCM_WRITE_PROTECTED;
- se_lun = &se_sess->se_tpg->tpg_virt_lun0;
- se_cmd->se_lun = &se_sess->se_tpg->tpg_virt_lun0;
+ se_lun = se_sess->se_tpg->tpg_virt_lun0;
+ se_cmd->se_lun = se_sess->se_tpg->tpg_virt_lun0;
se_cmd->orig_fe_lun = 0;
se_cmd->se_cmd_flags |= SCF_SE_LUN_CMD;
percpu_ref_get(&se_lun->lun_ref);
se_cmd->lun_ref_active = true;
}
+ /*
+ * RCU reference protected by percpu se_lun->lun_ref taken above that
+ * must drop to zero (including initial reference) before this se_lun
+ * pointer can be kfree_rcu() by the final se_lun->lun_group put via
+ * target_core_fabric_configfs.c:target_fabric_port_release
+ */
+ se_cmd->se_dev = rcu_dereference_raw(se_lun->lun_se_dev);
+ atomic_long_inc(&se_cmd->se_dev->num_cmds);
- /* Directly associate cmd with se_dev */
- se_cmd->se_dev = se_lun->lun_se_dev;
-
- dev = se_lun->lun_se_dev;
- atomic_long_inc(&dev->num_cmds);
if (se_cmd->data_direction == DMA_TO_DEVICE)
- atomic_long_add(se_cmd->data_length, &dev->write_bytes);
+ atomic_long_add(se_cmd->data_length,
+ &se_cmd->se_dev->write_bytes);
else if (se_cmd->data_direction == DMA_FROM_DEVICE)
- atomic_long_add(se_cmd->data_length, &dev->read_bytes);
+ atomic_long_add(se_cmd->data_length,
+ &se_cmd->se_dev->read_bytes);
return 0;
}
EXPORT_SYMBOL(transport_lookup_cmd_lun);
-int transport_lookup_tmr_lun(struct se_cmd *se_cmd, u32 unpacked_lun)
+int transport_lookup_tmr_lun(struct se_cmd *se_cmd, u64 unpacked_lun)
{
struct se_dev_entry *deve;
struct se_lun *se_lun = NULL;
struct se_session *se_sess = se_cmd->se_sess;
+ struct se_node_acl *nacl = se_sess->se_node_acl;
struct se_tmr_req *se_tmr = se_cmd->se_tmr_req;
unsigned long flags;
- if (unpacked_lun >= TRANSPORT_MAX_LUNS_PER_TPG)
- return -ENODEV;
-
- spin_lock_irqsave(&se_sess->se_node_acl->device_list_lock, flags);
- se_cmd->se_deve = se_sess->se_node_acl->device_list[unpacked_lun];
- deve = se_cmd->se_deve;
-
- if (deve->lun_flags & TRANSPORT_LUNFLAGS_INITIATOR_ACCESS) {
- se_tmr->tmr_lun = deve->se_lun;
- se_cmd->se_lun = deve->se_lun;
- se_lun = deve->se_lun;
+ rcu_read_lock();
+ deve = target_nacl_find_deve(nacl, unpacked_lun);
+ if (deve) {
+ se_tmr->tmr_lun = rcu_dereference(deve->se_lun);
+ se_cmd->se_lun = rcu_dereference(deve->se_lun);
+ se_lun = rcu_dereference(deve->se_lun);
se_cmd->pr_res_key = deve->pr_res_key;
se_cmd->orig_fe_lun = unpacked_lun;
}
- spin_unlock_irqrestore(&se_sess->se_node_acl->device_list_lock, flags);
+ rcu_read_unlock();
if (!se_lun) {
pr_debug("TARGET_CORE[%s]: Detected NON_EXISTENT_LUN"
- " Access for 0x%08x\n",
+ " Access for 0x%08llx\n",
se_cmd->se_tfo->get_fabric_name(),
unpacked_lun);
return -ENODEV;
}
-
- /* Directly associate cmd with se_dev */
- se_cmd->se_dev = se_lun->lun_se_dev;
- se_tmr->tmr_dev = se_lun->lun_se_dev;
+ /*
+ * XXX: Add percpu se_lun->lun_ref reference count for TMR
+ */
+ se_cmd->se_dev = rcu_dereference_raw(se_lun->lun_se_dev);
+ se_tmr->tmr_dev = rcu_dereference_raw(se_lun->lun_se_dev);
spin_lock_irqsave(&se_tmr->tmr_dev->se_tmr_lock, flags);
list_add_tail(&se_tmr->tmr_list, &se_tmr->tmr_dev->dev_tmr_list);
@@ -186,9 +185,24 @@ int transport_lookup_tmr_lun(struct se_cmd *se_cmd, u32 unpacked_lun)
}
EXPORT_SYMBOL(transport_lookup_tmr_lun);
+bool target_lun_is_rdonly(struct se_cmd *cmd)
+{
+ struct se_session *se_sess = cmd->se_sess;
+ struct se_dev_entry *deve;
+ bool ret;
+
+ rcu_read_lock();
+ deve = target_nacl_find_deve(se_sess->se_node_acl, cmd->orig_fe_lun);
+ ret = (deve && deve->lun_flags & TRANSPORT_LUNFLAGS_READ_ONLY);
+ rcu_read_unlock();
+
+ return ret;
+}
+EXPORT_SYMBOL(target_lun_is_rdonly);
+
/*
* This function is called from core_scsi3_emulate_pro_register_and_move()
- * and core_scsi3_decode_spec_i_port(), and will increment &deve->pr_ref_count
+ * and core_scsi3_decode_spec_i_port(), and will increment &deve->pr_kref
* when a matching rtpi is found.
*/
struct se_dev_entry *core_get_se_deve_from_rtpi(
@@ -197,231 +211,238 @@ struct se_dev_entry *core_get_se_deve_from_rtpi(
{
struct se_dev_entry *deve;
struct se_lun *lun;
- struct se_port *port;
struct se_portal_group *tpg = nacl->se_tpg;
- u32 i;
-
- spin_lock_irq(&nacl->device_list_lock);
- for (i = 0; i < TRANSPORT_MAX_LUNS_PER_TPG; i++) {
- deve = nacl->device_list[i];
- if (!(deve->lun_flags & TRANSPORT_LUNFLAGS_INITIATOR_ACCESS))
- continue;
-
- lun = deve->se_lun;
+ rcu_read_lock();
+ hlist_for_each_entry_rcu(deve, &nacl->lun_entry_hlist, link) {
+ lun = rcu_dereference(deve->se_lun);
if (!lun) {
pr_err("%s device entries device pointer is"
" NULL, but Initiator has access.\n",
tpg->se_tpg_tfo->get_fabric_name());
continue;
}
- port = lun->lun_sep;
- if (!port) {
- pr_err("%s device entries device pointer is"
- " NULL, but Initiator has access.\n",
- tpg->se_tpg_tfo->get_fabric_name());
- continue;
- }
- if (port->sep_rtpi != rtpi)
+ if (lun->lun_rtpi != rtpi)
continue;
- atomic_inc_mb(&deve->pr_ref_count);
- spin_unlock_irq(&nacl->device_list_lock);
+ kref_get(&deve->pr_kref);
+ rcu_read_unlock();
return deve;
}
- spin_unlock_irq(&nacl->device_list_lock);
+ rcu_read_unlock();
return NULL;
}
-int core_free_device_list_for_node(
+void core_free_device_list_for_node(
struct se_node_acl *nacl,
struct se_portal_group *tpg)
{
struct se_dev_entry *deve;
- struct se_lun *lun;
- u32 i;
-
- if (!nacl->device_list)
- return 0;
-
- spin_lock_irq(&nacl->device_list_lock);
- for (i = 0; i < TRANSPORT_MAX_LUNS_PER_TPG; i++) {
- deve = nacl->device_list[i];
-
- if (!(deve->lun_flags & TRANSPORT_LUNFLAGS_INITIATOR_ACCESS))
- continue;
-
- if (!deve->se_lun) {
- pr_err("%s device entries device pointer is"
- " NULL, but Initiator has access.\n",
- tpg->se_tpg_tfo->get_fabric_name());
- continue;
- }
- lun = deve->se_lun;
- spin_unlock_irq(&nacl->device_list_lock);
- core_disable_device_list_for_node(lun, NULL, deve->mapped_lun,
- TRANSPORT_LUNFLAGS_NO_ACCESS, nacl, tpg);
- spin_lock_irq(&nacl->device_list_lock);
+ mutex_lock(&nacl->lun_entry_mutex);
+ hlist_for_each_entry_rcu(deve, &nacl->lun_entry_hlist, link) {
+ struct se_lun *lun = rcu_dereference_check(deve->se_lun,
+ lockdep_is_held(&nacl->lun_entry_mutex));
+ core_disable_device_list_for_node(lun, deve, nacl, tpg);
}
- spin_unlock_irq(&nacl->device_list_lock);
-
- array_free(nacl->device_list, TRANSPORT_MAX_LUNS_PER_TPG);
- nacl->device_list = NULL;
-
- return 0;
+ mutex_unlock(&nacl->lun_entry_mutex);
}
void core_update_device_list_access(
- u32 mapped_lun,
+ u64 mapped_lun,
u32 lun_access,
struct se_node_acl *nacl)
{
struct se_dev_entry *deve;
- spin_lock_irq(&nacl->device_list_lock);
- deve = nacl->device_list[mapped_lun];
- if (lun_access & TRANSPORT_LUNFLAGS_READ_WRITE) {
- deve->lun_flags &= ~TRANSPORT_LUNFLAGS_READ_ONLY;
- deve->lun_flags |= TRANSPORT_LUNFLAGS_READ_WRITE;
- } else {
- deve->lun_flags &= ~TRANSPORT_LUNFLAGS_READ_WRITE;
- deve->lun_flags |= TRANSPORT_LUNFLAGS_READ_ONLY;
+ mutex_lock(&nacl->lun_entry_mutex);
+ deve = target_nacl_find_deve(nacl, mapped_lun);
+ if (deve) {
+ if (lun_access & TRANSPORT_LUNFLAGS_READ_WRITE) {
+ deve->lun_flags &= ~TRANSPORT_LUNFLAGS_READ_ONLY;
+ deve->lun_flags |= TRANSPORT_LUNFLAGS_READ_WRITE;
+ } else {
+ deve->lun_flags &= ~TRANSPORT_LUNFLAGS_READ_WRITE;
+ deve->lun_flags |= TRANSPORT_LUNFLAGS_READ_ONLY;
+ }
}
- spin_unlock_irq(&nacl->device_list_lock);
+ mutex_unlock(&nacl->lun_entry_mutex);
}
-/* core_enable_device_list_for_node():
- *
- *
+/*
+ * Called with rcu_read_lock or nacl->device_list_lock held.
*/
+struct se_dev_entry *target_nacl_find_deve(struct se_node_acl *nacl, u64 mapped_lun)
+{
+ struct se_dev_entry *deve;
+
+ hlist_for_each_entry_rcu(deve, &nacl->lun_entry_hlist, link)
+ if (deve->mapped_lun == mapped_lun)
+ return deve;
+
+ return NULL;
+}
+EXPORT_SYMBOL(target_nacl_find_deve);
+
+void target_pr_kref_release(struct kref *kref)
+{
+ struct se_dev_entry *deve = container_of(kref, struct se_dev_entry,
+ pr_kref);
+ complete(&deve->pr_comp);
+}
+
+static void
+target_luns_data_has_changed(struct se_node_acl *nacl, struct se_dev_entry *new,
+ bool skip_new)
+{
+ struct se_dev_entry *tmp;
+
+ rcu_read_lock();
+ hlist_for_each_entry_rcu(tmp, &nacl->lun_entry_hlist, link) {
+ if (skip_new && tmp == new)
+ continue;
+ core_scsi3_ua_allocate(tmp, 0x3F,
+ ASCQ_3FH_REPORTED_LUNS_DATA_HAS_CHANGED);
+ }
+ rcu_read_unlock();
+}
+
int core_enable_device_list_for_node(
struct se_lun *lun,
struct se_lun_acl *lun_acl,
- u32 mapped_lun,
+ u64 mapped_lun,
u32 lun_access,
struct se_node_acl *nacl,
struct se_portal_group *tpg)
{
- struct se_port *port = lun->lun_sep;
- struct se_dev_entry *deve;
-
- spin_lock_irq(&nacl->device_list_lock);
-
- deve = nacl->device_list[mapped_lun];
-
- /*
- * Check if the call is handling demo mode -> explicit LUN ACL
- * transition. This transition must be for the same struct se_lun
- * + mapped_lun that was setup in demo mode..
- */
- if (deve->lun_flags & TRANSPORT_LUNFLAGS_INITIATOR_ACCESS) {
- if (deve->se_lun_acl != NULL) {
- pr_err("struct se_dev_entry->se_lun_acl"
- " already set for demo mode -> explicit"
- " LUN ACL transition\n");
- spin_unlock_irq(&nacl->device_list_lock);
+ struct se_dev_entry *orig, *new;
+
+ new = kzalloc(sizeof(*new), GFP_KERNEL);
+ if (!new) {
+ pr_err("Unable to allocate se_dev_entry memory\n");
+ return -ENOMEM;
+ }
+
+ atomic_set(&new->ua_count, 0);
+ spin_lock_init(&new->ua_lock);
+ INIT_LIST_HEAD(&new->ua_list);
+ INIT_LIST_HEAD(&new->lun_link);
+
+ new->mapped_lun = mapped_lun;
+ kref_init(&new->pr_kref);
+ init_completion(&new->pr_comp);
+
+ if (lun_access & TRANSPORT_LUNFLAGS_READ_WRITE)
+ new->lun_flags |= TRANSPORT_LUNFLAGS_READ_WRITE;
+ else
+ new->lun_flags |= TRANSPORT_LUNFLAGS_READ_ONLY;
+
+ new->creation_time = get_jiffies_64();
+ new->attach_count++;
+
+ mutex_lock(&nacl->lun_entry_mutex);
+ orig = target_nacl_find_deve(nacl, mapped_lun);
+ if (orig && orig->se_lun) {
+ struct se_lun *orig_lun = rcu_dereference_check(orig->se_lun,
+ lockdep_is_held(&nacl->lun_entry_mutex));
+
+ if (orig_lun != lun) {
+ pr_err("Existing orig->se_lun doesn't match new lun"
+ " for dynamic -> explicit NodeACL conversion:"
+ " %s\n", nacl->initiatorname);
+ mutex_unlock(&nacl->lun_entry_mutex);
+ kfree(new);
return -EINVAL;
}
- if (deve->se_lun != lun) {
- pr_err("struct se_dev_entry->se_lun does"
- " match passed struct se_lun for demo mode"
- " -> explicit LUN ACL transition\n");
- spin_unlock_irq(&nacl->device_list_lock);
- return -EINVAL;
- }
- deve->se_lun_acl = lun_acl;
+ BUG_ON(orig->se_lun_acl != NULL);
- if (lun_access & TRANSPORT_LUNFLAGS_READ_WRITE) {
- deve->lun_flags &= ~TRANSPORT_LUNFLAGS_READ_ONLY;
- deve->lun_flags |= TRANSPORT_LUNFLAGS_READ_WRITE;
- } else {
- deve->lun_flags &= ~TRANSPORT_LUNFLAGS_READ_WRITE;
- deve->lun_flags |= TRANSPORT_LUNFLAGS_READ_ONLY;
- }
+ rcu_assign_pointer(new->se_lun, lun);
+ rcu_assign_pointer(new->se_lun_acl, lun_acl);
+ hlist_del_rcu(&orig->link);
+ hlist_add_head_rcu(&new->link, &nacl->lun_entry_hlist);
+ mutex_unlock(&nacl->lun_entry_mutex);
- spin_unlock_irq(&nacl->device_list_lock);
- return 0;
- }
+ spin_lock(&lun->lun_deve_lock);
+ list_del(&orig->lun_link);
+ list_add_tail(&new->lun_link, &lun->lun_deve_list);
+ spin_unlock(&lun->lun_deve_lock);
+
+ kref_put(&orig->pr_kref, target_pr_kref_release);
+ wait_for_completion(&orig->pr_comp);
- deve->se_lun = lun;
- deve->se_lun_acl = lun_acl;
- deve->mapped_lun = mapped_lun;
- deve->lun_flags |= TRANSPORT_LUNFLAGS_INITIATOR_ACCESS;
-
- if (lun_access & TRANSPORT_LUNFLAGS_READ_WRITE) {
- deve->lun_flags &= ~TRANSPORT_LUNFLAGS_READ_ONLY;
- deve->lun_flags |= TRANSPORT_LUNFLAGS_READ_WRITE;
- } else {
- deve->lun_flags &= ~TRANSPORT_LUNFLAGS_READ_WRITE;
- deve->lun_flags |= TRANSPORT_LUNFLAGS_READ_ONLY;
+ target_luns_data_has_changed(nacl, new, true);
+ kfree_rcu(orig, rcu_head);
+ return 0;
}
- deve->creation_time = get_jiffies_64();
- deve->attach_count++;
- spin_unlock_irq(&nacl->device_list_lock);
+ rcu_assign_pointer(new->se_lun, lun);
+ rcu_assign_pointer(new->se_lun_acl, lun_acl);
+ hlist_add_head_rcu(&new->link, &nacl->lun_entry_hlist);
+ mutex_unlock(&nacl->lun_entry_mutex);
- spin_lock_bh(&port->sep_alua_lock);
- list_add_tail(&deve->alua_port_list, &port->sep_alua_list);
- spin_unlock_bh(&port->sep_alua_lock);
+ spin_lock(&lun->lun_deve_lock);
+ list_add_tail(&new->lun_link, &lun->lun_deve_list);
+ spin_unlock(&lun->lun_deve_lock);
+ target_luns_data_has_changed(nacl, new, true);
return 0;
}
-/* core_disable_device_list_for_node():
- *
- *
+/*
+ * Called with se_node_acl->lun_entry_mutex held.
*/
-int core_disable_device_list_for_node(
+void core_disable_device_list_for_node(
struct se_lun *lun,
- struct se_lun_acl *lun_acl,
- u32 mapped_lun,
- u32 lun_access,
+ struct se_dev_entry *orig,
struct se_node_acl *nacl,
struct se_portal_group *tpg)
{
- struct se_port *port = lun->lun_sep;
- struct se_dev_entry *deve = nacl->device_list[mapped_lun];
-
+ /*
+ * rcu_dereference_raw protected by se_lun->lun_group symlink
+ * reference to se_device->dev_group.
+ */
+ struct se_device *dev = rcu_dereference_raw(lun->lun_se_dev);
/*
* If the MappedLUN entry is being disabled, the entry in
- * port->sep_alua_list must be removed now before clearing the
+ * lun->lun_deve_list must be removed now before clearing the
* struct se_dev_entry pointers below as logic in
* core_alua_do_transition_tg_pt() depends on these being present.
*
* deve->se_lun_acl will be NULL for demo-mode created LUNs
* that have not been explicitly converted to MappedLUNs ->
- * struct se_lun_acl, but we remove deve->alua_port_list from
- * port->sep_alua_list. This also means that active UAs and
+ * struct se_lun_acl, but we remove deve->lun_link from
+ * lun->lun_deve_list. This also means that active UAs and
* NodeACL context specific PR metadata for demo-mode
* MappedLUN *deve will be released below..
*/
- spin_lock_bh(&port->sep_alua_lock);
- list_del(&deve->alua_port_list);
- spin_unlock_bh(&port->sep_alua_lock);
+ spin_lock(&lun->lun_deve_lock);
+ list_del(&orig->lun_link);
+ spin_unlock(&lun->lun_deve_lock);
/*
- * Wait for any in process SPEC_I_PT=1 or REGISTER_AND_MOVE
- * PR operation to complete.
+ * Disable struct se_dev_entry LUN ACL mapping
*/
- while (atomic_read(&deve->pr_ref_count) != 0)
- cpu_relax();
-
- spin_lock_irq(&nacl->device_list_lock);
+ core_scsi3_ua_release_all(orig);
+
+ hlist_del_rcu(&orig->link);
+ clear_bit(DEF_PR_REG_ACTIVE, &orig->deve_flags);
+ rcu_assign_pointer(orig->se_lun, NULL);
+ rcu_assign_pointer(orig->se_lun_acl, NULL);
+ orig->lun_flags = 0;
+ orig->creation_time = 0;
+ orig->attach_count--;
/*
- * Disable struct se_dev_entry LUN ACL mapping
+ * Before firing off RCU callback, wait for any in process SPEC_I_PT=1
+ * or REGISTER_AND_MOVE PR operation to complete.
*/
- core_scsi3_ua_release_all(deve);
- deve->se_lun = NULL;
- deve->se_lun_acl = NULL;
- deve->lun_flags = 0;
- deve->creation_time = 0;
- deve->attach_count--;
- spin_unlock_irq(&nacl->device_list_lock);
-
- core_scsi3_free_pr_reg_from_nacl(lun->lun_se_dev, nacl);
- return 0;
+ kref_put(&orig->pr_kref, target_pr_kref_release);
+ wait_for_completion(&orig->pr_comp);
+
+ kfree_rcu(orig, rcu_head);
+
+ core_scsi3_free_pr_reg_from_nacl(dev, nacl);
+ target_luns_data_has_changed(nacl, NULL, false);
}
/* core_clear_lun_from_tpg():
@@ -432,53 +453,35 @@ void core_clear_lun_from_tpg(struct se_lun *lun, struct se_portal_group *tpg)
{
struct se_node_acl *nacl;
struct se_dev_entry *deve;
- u32 i;
- spin_lock_irq(&tpg->acl_node_lock);
+ mutex_lock(&tpg->acl_node_mutex);
list_for_each_entry(nacl, &tpg->acl_node_list, acl_list) {
- spin_unlock_irq(&tpg->acl_node_lock);
- spin_lock_irq(&nacl->device_list_lock);
- for (i = 0; i < TRANSPORT_MAX_LUNS_PER_TPG; i++) {
- deve = nacl->device_list[i];
- if (lun != deve->se_lun)
- continue;
- spin_unlock_irq(&nacl->device_list_lock);
+ mutex_lock(&nacl->lun_entry_mutex);
+ hlist_for_each_entry_rcu(deve, &nacl->lun_entry_hlist, link) {
+ struct se_lun *tmp_lun = rcu_dereference_check(deve->se_lun,
+ lockdep_is_held(&nacl->lun_entry_mutex));
- core_disable_device_list_for_node(lun, NULL,
- deve->mapped_lun, TRANSPORT_LUNFLAGS_NO_ACCESS,
- nacl, tpg);
+ if (lun != tmp_lun)
+ continue;
- spin_lock_irq(&nacl->device_list_lock);
+ core_disable_device_list_for_node(lun, deve, nacl, tpg);
}
- spin_unlock_irq(&nacl->device_list_lock);
-
- spin_lock_irq(&tpg->acl_node_lock);
+ mutex_unlock(&nacl->lun_entry_mutex);
}
- spin_unlock_irq(&tpg->acl_node_lock);
+ mutex_unlock(&tpg->acl_node_mutex);
}
-static struct se_port *core_alloc_port(struct se_device *dev)
+int core_alloc_rtpi(struct se_lun *lun, struct se_device *dev)
{
- struct se_port *port, *port_tmp;
-
- port = kzalloc(sizeof(struct se_port), GFP_KERNEL);
- if (!port) {
- pr_err("Unable to allocate struct se_port\n");
- return ERR_PTR(-ENOMEM);
- }
- INIT_LIST_HEAD(&port->sep_alua_list);
- INIT_LIST_HEAD(&port->sep_list);
- atomic_set(&port->sep_tg_pt_secondary_offline, 0);
- spin_lock_init(&port->sep_alua_lock);
- mutex_init(&port->sep_tg_pt_md_mutex);
+ struct se_lun *tmp;
spin_lock(&dev->se_port_lock);
- if (dev->dev_port_count == 0x0000ffff) {
+ if (dev->export_count == 0x0000ffff) {
pr_warn("Reached dev->dev_port_count =="
" 0x0000ffff\n");
spin_unlock(&dev->se_port_lock);
- return ERR_PTR(-ENOSPC);
+ return -ENOSPC;
}
again:
/*
@@ -493,133 +496,23 @@ static struct se_port *core_alloc_port(struct se_device *dev)
* 2h Relative port 2, historically known as port B
* 3h to FFFFh Relative port 3 through 65 535
*/
- port->sep_rtpi = dev->dev_rpti_counter++;
- if (!port->sep_rtpi)
+ lun->lun_rtpi = dev->dev_rpti_counter++;
+ if (!lun->lun_rtpi)
goto again;
- list_for_each_entry(port_tmp, &dev->dev_sep_list, sep_list) {
+ list_for_each_entry(tmp, &dev->dev_sep_list, lun_dev_link) {
/*
* Make sure RELATIVE TARGET PORT IDENTIFIER is unique
* for 16-bit wrap..
*/
- if (port->sep_rtpi == port_tmp->sep_rtpi)
+ if (lun->lun_rtpi == tmp->lun_rtpi)
goto again;
}
spin_unlock(&dev->se_port_lock);
- return port;
-}
-
-static void core_export_port(
- struct se_device *dev,
- struct se_portal_group *tpg,
- struct se_port *port,
- struct se_lun *lun)
-{
- struct t10_alua_tg_pt_gp_member *tg_pt_gp_mem = NULL;
-
- spin_lock(&dev->se_port_lock);
- spin_lock(&lun->lun_sep_lock);
- port->sep_tpg = tpg;
- port->sep_lun = lun;
- lun->lun_sep = port;
- spin_unlock(&lun->lun_sep_lock);
-
- list_add_tail(&port->sep_list, &dev->dev_sep_list);
- spin_unlock(&dev->se_port_lock);
-
- if (!(dev->transport->transport_flags & TRANSPORT_FLAG_PASSTHROUGH) &&
- !(dev->se_hba->hba_flags & HBA_FLAGS_INTERNAL_USE)) {
- tg_pt_gp_mem = core_alua_allocate_tg_pt_gp_mem(port);
- if (IS_ERR(tg_pt_gp_mem) || !tg_pt_gp_mem) {
- pr_err("Unable to allocate t10_alua_tg_pt"
- "_gp_member_t\n");
- return;
- }
- spin_lock(&tg_pt_gp_mem->tg_pt_gp_mem_lock);
- __core_alua_attach_tg_pt_gp_mem(tg_pt_gp_mem,
- dev->t10_alua.default_tg_pt_gp);
- spin_unlock(&tg_pt_gp_mem->tg_pt_gp_mem_lock);
- pr_debug("%s/%s: Adding to default ALUA Target Port"
- " Group: alua/default_tg_pt_gp\n",
- dev->transport->name, tpg->se_tpg_tfo->get_fabric_name());
- }
-
- dev->dev_port_count++;
- port->sep_index = port->sep_rtpi; /* RELATIVE TARGET PORT IDENTIFIER */
-}
-
-/*
- * Called with struct se_device->se_port_lock spinlock held.
- */
-static void core_release_port(struct se_device *dev, struct se_port *port)
- __releases(&dev->se_port_lock) __acquires(&dev->se_port_lock)
-{
- /*
- * Wait for any port reference for PR ALL_TG_PT=1 operation
- * to complete in __core_scsi3_alloc_registration()
- */
- spin_unlock(&dev->se_port_lock);
- if (atomic_read(&port->sep_tg_pt_ref_cnt))
- cpu_relax();
- spin_lock(&dev->se_port_lock);
-
- core_alua_free_tg_pt_gp_mem(port);
-
- list_del(&port->sep_list);
- dev->dev_port_count--;
- kfree(port);
-}
-
-int core_dev_export(
- struct se_device *dev,
- struct se_portal_group *tpg,
- struct se_lun *lun)
-{
- struct se_hba *hba = dev->se_hba;
- struct se_port *port;
-
- port = core_alloc_port(dev);
- if (IS_ERR(port))
- return PTR_ERR(port);
-
- lun->lun_se_dev = dev;
-
- spin_lock(&hba->device_lock);
- dev->export_count++;
- spin_unlock(&hba->device_lock);
-
- core_export_port(dev, tpg, port, lun);
return 0;
}
-void core_dev_unexport(
- struct se_device *dev,
- struct se_portal_group *tpg,
- struct se_lun *lun)
-{
- struct se_hba *hba = dev->se_hba;
- struct se_port *port = lun->lun_sep;
-
- spin_lock(&lun->lun_sep_lock);
- if (lun->lun_se_dev == NULL) {
- spin_unlock(&lun->lun_sep_lock);
- return;
- }
- spin_unlock(&lun->lun_sep_lock);
-
- spin_lock(&dev->se_port_lock);
- core_release_port(dev, port);
- spin_unlock(&dev->se_port_lock);
-
- spin_lock(&hba->device_lock);
- dev->export_count--;
- spin_unlock(&hba->device_lock);
-
- lun->lun_sep = NULL;
- lun->lun_se_dev = NULL;
-}
-
static void se_release_vpd_for_dev(struct se_device *dev)
{
struct t10_vpd *vpd, *vpd_tmp;
@@ -651,556 +544,19 @@ static u32 se_dev_align_max_sectors(u32 max_sectors, u32 block_size)
return aligned_max_sectors;
}
-bool se_dev_check_wce(struct se_device *dev)
-{
- bool wce = false;
-
- if (dev->transport->get_write_cache)
- wce = dev->transport->get_write_cache(dev);
- else if (dev->dev_attrib.emulate_write_cache > 0)
- wce = true;
-
- return wce;
-}
-
-int se_dev_set_max_unmap_lba_count(
- struct se_device *dev,
- u32 max_unmap_lba_count)
-{
- dev->dev_attrib.max_unmap_lba_count = max_unmap_lba_count;
- pr_debug("dev[%p]: Set max_unmap_lba_count: %u\n",
- dev, dev->dev_attrib.max_unmap_lba_count);
- return 0;
-}
-EXPORT_SYMBOL(se_dev_set_max_unmap_lba_count);
-
-int se_dev_set_max_unmap_block_desc_count(
- struct se_device *dev,
- u32 max_unmap_block_desc_count)
-{
- dev->dev_attrib.max_unmap_block_desc_count =
- max_unmap_block_desc_count;
- pr_debug("dev[%p]: Set max_unmap_block_desc_count: %u\n",
- dev, dev->dev_attrib.max_unmap_block_desc_count);
- return 0;
-}
-EXPORT_SYMBOL(se_dev_set_max_unmap_block_desc_count);
-
-int se_dev_set_unmap_granularity(
- struct se_device *dev,
- u32 unmap_granularity)
-{
- dev->dev_attrib.unmap_granularity = unmap_granularity;
- pr_debug("dev[%p]: Set unmap_granularity: %u\n",
- dev, dev->dev_attrib.unmap_granularity);
- return 0;
-}
-EXPORT_SYMBOL(se_dev_set_unmap_granularity);
-
-int se_dev_set_unmap_granularity_alignment(
- struct se_device *dev,
- u32 unmap_granularity_alignment)
-{
- dev->dev_attrib.unmap_granularity_alignment = unmap_granularity_alignment;
- pr_debug("dev[%p]: Set unmap_granularity_alignment: %u\n",
- dev, dev->dev_attrib.unmap_granularity_alignment);
- return 0;
-}
-EXPORT_SYMBOL(se_dev_set_unmap_granularity_alignment);
-
-int se_dev_set_max_write_same_len(
- struct se_device *dev,
- u32 max_write_same_len)
-{
- dev->dev_attrib.max_write_same_len = max_write_same_len;
- pr_debug("dev[%p]: Set max_write_same_len: %u\n",
- dev, dev->dev_attrib.max_write_same_len);
- return 0;
-}
-EXPORT_SYMBOL(se_dev_set_max_write_same_len);
-
-static void dev_set_t10_wwn_model_alias(struct se_device *dev)
-{
- const char *configname;
-
- configname = config_item_name(&dev->dev_group.cg_item);
- if (strlen(configname) >= 16) {
- pr_warn("dev[%p]: Backstore name '%s' is too long for "
- "INQUIRY_MODEL, truncating to 16 bytes\n", dev,
- configname);
- }
- snprintf(&dev->t10_wwn.model[0], 16, "%s", configname);
-}
-
-int se_dev_set_emulate_model_alias(struct se_device *dev, int flag)
-{
- if (dev->export_count) {
- pr_err("dev[%p]: Unable to change model alias"
- " while export_count is %d\n",
- dev, dev->export_count);
- return -EINVAL;
- }
-
- if (flag != 0 && flag != 1) {
- pr_err("Illegal value %d\n", flag);
- return -EINVAL;
- }
-
- if (flag) {
- dev_set_t10_wwn_model_alias(dev);
- } else {
- strncpy(&dev->t10_wwn.model[0],
- dev->transport->inquiry_prod, 16);
- }
- dev->dev_attrib.emulate_model_alias = flag;
-
- return 0;
-}
-EXPORT_SYMBOL(se_dev_set_emulate_model_alias);
-
-int se_dev_set_emulate_dpo(struct se_device *dev, int flag)
-{
- if (flag != 0 && flag != 1) {
- pr_err("Illegal value %d\n", flag);
- return -EINVAL;
- }
-
- if (flag) {
- pr_err("dpo_emulated not supported\n");
- return -EINVAL;
- }
-
- return 0;
-}
-EXPORT_SYMBOL(se_dev_set_emulate_dpo);
-
-int se_dev_set_emulate_fua_write(struct se_device *dev, int flag)
-{
- if (flag != 0 && flag != 1) {
- pr_err("Illegal value %d\n", flag);
- return -EINVAL;
- }
- if (flag &&
- dev->transport->get_write_cache) {
- pr_warn("emulate_fua_write not supported for this device, ignoring\n");
- return 0;
- }
- if (dev->export_count) {
- pr_err("emulate_fua_write cannot be changed with active"
- " exports: %d\n", dev->export_count);
- return -EINVAL;
- }
- dev->dev_attrib.emulate_fua_write = flag;
- pr_debug("dev[%p]: SE Device Forced Unit Access WRITEs: %d\n",
- dev, dev->dev_attrib.emulate_fua_write);
- return 0;
-}
-EXPORT_SYMBOL(se_dev_set_emulate_fua_write);
-
-int se_dev_set_emulate_fua_read(struct se_device *dev, int flag)
-{
- if (flag != 0 && flag != 1) {
- pr_err("Illegal value %d\n", flag);
- return -EINVAL;
- }
-
- if (flag) {
- pr_err("ua read emulated not supported\n");
- return -EINVAL;
- }
-
- return 0;
-}
-EXPORT_SYMBOL(se_dev_set_emulate_fua_read);
-
-int se_dev_set_emulate_write_cache(struct se_device *dev, int flag)
-{
- if (flag != 0 && flag != 1) {
- pr_err("Illegal value %d\n", flag);
- return -EINVAL;
- }
- if (flag &&
- dev->transport->get_write_cache) {
- pr_err("emulate_write_cache not supported for this device\n");
- return -EINVAL;
- }
- if (dev->export_count) {
- pr_err("emulate_write_cache cannot be changed with active"
- " exports: %d\n", dev->export_count);
- return -EINVAL;
- }
- dev->dev_attrib.emulate_write_cache = flag;
- pr_debug("dev[%p]: SE Device WRITE_CACHE_EMULATION flag: %d\n",
- dev, dev->dev_attrib.emulate_write_cache);
- return 0;
-}
-EXPORT_SYMBOL(se_dev_set_emulate_write_cache);
-
-int se_dev_set_emulate_ua_intlck_ctrl(struct se_device *dev, int flag)
-{
- if ((flag != 0) && (flag != 1) && (flag != 2)) {
- pr_err("Illegal value %d\n", flag);
- return -EINVAL;
- }
-
- if (dev->export_count) {
- pr_err("dev[%p]: Unable to change SE Device"
- " UA_INTRLCK_CTRL while export_count is %d\n",
- dev, dev->export_count);
- return -EINVAL;
- }
- dev->dev_attrib.emulate_ua_intlck_ctrl = flag;
- pr_debug("dev[%p]: SE Device UA_INTRLCK_CTRL flag: %d\n",
- dev, dev->dev_attrib.emulate_ua_intlck_ctrl);
-
- return 0;
-}
-EXPORT_SYMBOL(se_dev_set_emulate_ua_intlck_ctrl);
-
-int se_dev_set_emulate_tas(struct se_device *dev, int flag)
-{
- if ((flag != 0) && (flag != 1)) {
- pr_err("Illegal value %d\n", flag);
- return -EINVAL;
- }
-
- if (dev->export_count) {
- pr_err("dev[%p]: Unable to change SE Device TAS while"
- " export_count is %d\n",
- dev, dev->export_count);
- return -EINVAL;
- }
- dev->dev_attrib.emulate_tas = flag;
- pr_debug("dev[%p]: SE Device TASK_ABORTED status bit: %s\n",
- dev, (dev->dev_attrib.emulate_tas) ? "Enabled" : "Disabled");
-
- return 0;
-}
-EXPORT_SYMBOL(se_dev_set_emulate_tas);
-
-int se_dev_set_emulate_tpu(struct se_device *dev, int flag)
-{
- if ((flag != 0) && (flag != 1)) {
- pr_err("Illegal value %d\n", flag);
- return -EINVAL;
- }
- /*
- * We expect this value to be non-zero when generic Block Layer
- * Discard supported is detected iblock_create_virtdevice().
- */
- if (flag && !dev->dev_attrib.max_unmap_block_desc_count) {
- pr_err("Generic Block Discard not supported\n");
- return -ENOSYS;
- }
-
- dev->dev_attrib.emulate_tpu = flag;
- pr_debug("dev[%p]: SE Device Thin Provisioning UNMAP bit: %d\n",
- dev, flag);
- return 0;
-}
-EXPORT_SYMBOL(se_dev_set_emulate_tpu);
-
-int se_dev_set_emulate_tpws(struct se_device *dev, int flag)
-{
- if ((flag != 0) && (flag != 1)) {
- pr_err("Illegal value %d\n", flag);
- return -EINVAL;
- }
- /*
- * We expect this value to be non-zero when generic Block Layer
- * Discard supported is detected iblock_create_virtdevice().
- */
- if (flag && !dev->dev_attrib.max_unmap_block_desc_count) {
- pr_err("Generic Block Discard not supported\n");
- return -ENOSYS;
- }
-
- dev->dev_attrib.emulate_tpws = flag;
- pr_debug("dev[%p]: SE Device Thin Provisioning WRITE_SAME: %d\n",
- dev, flag);
- return 0;
-}
-EXPORT_SYMBOL(se_dev_set_emulate_tpws);
-
-int se_dev_set_emulate_caw(struct se_device *dev, int flag)
-{
- if (flag != 0 && flag != 1) {
- pr_err("Illegal value %d\n", flag);
- return -EINVAL;
- }
- dev->dev_attrib.emulate_caw = flag;
- pr_debug("dev[%p]: SE Device CompareAndWrite (AtomicTestandSet): %d\n",
- dev, flag);
-
- return 0;
-}
-EXPORT_SYMBOL(se_dev_set_emulate_caw);
-
-int se_dev_set_emulate_3pc(struct se_device *dev, int flag)
-{
- if (flag != 0 && flag != 1) {
- pr_err("Illegal value %d\n", flag);
- return -EINVAL;
- }
- dev->dev_attrib.emulate_3pc = flag;
- pr_debug("dev[%p]: SE Device 3rd Party Copy (EXTENDED_COPY): %d\n",
- dev, flag);
-
- return 0;
-}
-EXPORT_SYMBOL(se_dev_set_emulate_3pc);
-
-int se_dev_set_pi_prot_type(struct se_device *dev, int flag)
-{
- int rc, old_prot = dev->dev_attrib.pi_prot_type;
-
- if (flag != 0 && flag != 1 && flag != 2 && flag != 3) {
- pr_err("Illegal value %d for pi_prot_type\n", flag);
- return -EINVAL;
- }
- if (flag == 2) {
- pr_err("DIF TYPE2 protection currently not supported\n");
- return -ENOSYS;
- }
- if (dev->dev_attrib.hw_pi_prot_type) {
- pr_warn("DIF protection enabled on underlying hardware,"
- " ignoring\n");
- return 0;
- }
- if (!dev->transport->init_prot || !dev->transport->free_prot) {
- /* 0 is only allowed value for non-supporting backends */
- if (flag == 0)
- return 0;
-
- pr_err("DIF protection not supported by backend: %s\n",
- dev->transport->name);
- return -ENOSYS;
- }
- if (!(dev->dev_flags & DF_CONFIGURED)) {
- pr_err("DIF protection requires device to be configured\n");
- return -ENODEV;
- }
- if (dev->export_count) {
- pr_err("dev[%p]: Unable to change SE Device PROT type while"
- " export_count is %d\n", dev, dev->export_count);
- return -EINVAL;
- }
-
- dev->dev_attrib.pi_prot_type = flag;
-
- if (flag && !old_prot) {
- rc = dev->transport->init_prot(dev);
- if (rc) {
- dev->dev_attrib.pi_prot_type = old_prot;
- return rc;
- }
-
- } else if (!flag && old_prot) {
- dev->transport->free_prot(dev);
- }
- pr_debug("dev[%p]: SE Device Protection Type: %d\n", dev, flag);
-
- return 0;
-}
-EXPORT_SYMBOL(se_dev_set_pi_prot_type);
-
-int se_dev_set_pi_prot_format(struct se_device *dev, int flag)
-{
- int rc;
-
- if (!flag)
- return 0;
-
- if (flag != 1) {
- pr_err("Illegal value %d for pi_prot_format\n", flag);
- return -EINVAL;
- }
- if (!dev->transport->format_prot) {
- pr_err("DIF protection format not supported by backend %s\n",
- dev->transport->name);
- return -ENOSYS;
- }
- if (!(dev->dev_flags & DF_CONFIGURED)) {
- pr_err("DIF protection format requires device to be configured\n");
- return -ENODEV;
- }
- if (dev->export_count) {
- pr_err("dev[%p]: Unable to format SE Device PROT type while"
- " export_count is %d\n", dev, dev->export_count);
- return -EINVAL;
- }
-
- rc = dev->transport->format_prot(dev);
- if (rc)
- return rc;
-
- pr_debug("dev[%p]: SE Device Protection Format complete\n", dev);
-
- return 0;
-}
-EXPORT_SYMBOL(se_dev_set_pi_prot_format);
-
-int se_dev_set_enforce_pr_isids(struct se_device *dev, int flag)
-{
- if ((flag != 0) && (flag != 1)) {
- pr_err("Illegal value %d\n", flag);
- return -EINVAL;
- }
- dev->dev_attrib.enforce_pr_isids = flag;
- pr_debug("dev[%p]: SE Device enforce_pr_isids bit: %s\n", dev,
- (dev->dev_attrib.enforce_pr_isids) ? "Enabled" : "Disabled");
- return 0;
-}
-EXPORT_SYMBOL(se_dev_set_enforce_pr_isids);
-
-int se_dev_set_force_pr_aptpl(struct se_device *dev, int flag)
-{
- if ((flag != 0) && (flag != 1)) {
- printk(KERN_ERR "Illegal value %d\n", flag);
- return -EINVAL;
- }
- if (dev->export_count) {
- pr_err("dev[%p]: Unable to set force_pr_aptpl while"
- " export_count is %d\n", dev, dev->export_count);
- return -EINVAL;
- }
-
- dev->dev_attrib.force_pr_aptpl = flag;
- pr_debug("dev[%p]: SE Device force_pr_aptpl: %d\n", dev, flag);
- return 0;
-}
-EXPORT_SYMBOL(se_dev_set_force_pr_aptpl);
-
-int se_dev_set_is_nonrot(struct se_device *dev, int flag)
-{
- if ((flag != 0) && (flag != 1)) {
- printk(KERN_ERR "Illegal value %d\n", flag);
- return -EINVAL;
- }
- dev->dev_attrib.is_nonrot = flag;
- pr_debug("dev[%p]: SE Device is_nonrot bit: %d\n",
- dev, flag);
- return 0;
-}
-EXPORT_SYMBOL(se_dev_set_is_nonrot);
-
-int se_dev_set_emulate_rest_reord(struct se_device *dev, int flag)
-{
- if (flag != 0) {
- printk(KERN_ERR "dev[%p]: SE Device emulatation of restricted"
- " reordering not implemented\n", dev);
- return -ENOSYS;
- }
- dev->dev_attrib.emulate_rest_reord = flag;
- pr_debug("dev[%p]: SE Device emulate_rest_reord: %d\n", dev, flag);
- return 0;
-}
-EXPORT_SYMBOL(se_dev_set_emulate_rest_reord);
-
-/*
- * Note, this can only be called on unexported SE Device Object.
- */
-int se_dev_set_queue_depth(struct se_device *dev, u32 queue_depth)
-{
- if (dev->export_count) {
- pr_err("dev[%p]: Unable to change SE Device TCQ while"
- " export_count is %d\n",
- dev, dev->export_count);
- return -EINVAL;
- }
- if (!queue_depth) {
- pr_err("dev[%p]: Illegal ZERO value for queue"
- "_depth\n", dev);
- return -EINVAL;
- }
-
- if (queue_depth > dev->dev_attrib.queue_depth) {
- if (queue_depth > dev->dev_attrib.hw_queue_depth) {
- pr_err("dev[%p]: Passed queue_depth:"
- " %u exceeds TCM/SE_Device MAX"
- " TCQ: %u\n", dev, queue_depth,
- dev->dev_attrib.hw_queue_depth);
- return -EINVAL;
- }
- }
- dev->dev_attrib.queue_depth = dev->queue_depth = queue_depth;
- pr_debug("dev[%p]: SE Device TCQ Depth changed to: %u\n",
- dev, queue_depth);
- return 0;
-}
-EXPORT_SYMBOL(se_dev_set_queue_depth);
-
-int se_dev_set_optimal_sectors(struct se_device *dev, u32 optimal_sectors)
-{
- if (dev->export_count) {
- pr_err("dev[%p]: Unable to change SE Device"
- " optimal_sectors while export_count is %d\n",
- dev, dev->export_count);
- return -EINVAL;
- }
- if (optimal_sectors > dev->dev_attrib.hw_max_sectors) {
- pr_err("dev[%p]: Passed optimal_sectors %u cannot be"
- " greater than hw_max_sectors: %u\n", dev,
- optimal_sectors, dev->dev_attrib.hw_max_sectors);
- return -EINVAL;
- }
-
- dev->dev_attrib.optimal_sectors = optimal_sectors;
- pr_debug("dev[%p]: SE Device optimal_sectors changed to %u\n",
- dev, optimal_sectors);
- return 0;
-}
-EXPORT_SYMBOL(se_dev_set_optimal_sectors);
-
-int se_dev_set_block_size(struct se_device *dev, u32 block_size)
-{
- if (dev->export_count) {
- pr_err("dev[%p]: Unable to change SE Device block_size"
- " while export_count is %d\n",
- dev, dev->export_count);
- return -EINVAL;
- }
-
- if ((block_size != 512) &&
- (block_size != 1024) &&
- (block_size != 2048) &&
- (block_size != 4096)) {
- pr_err("dev[%p]: Illegal value for block_device: %u"
- " for SE device, must be 512, 1024, 2048 or 4096\n",
- dev, block_size);
- return -EINVAL;
- }
-
- dev->dev_attrib.block_size = block_size;
- pr_debug("dev[%p]: SE Device block_size changed to %u\n",
- dev, block_size);
-
- if (dev->dev_attrib.max_bytes_per_io)
- dev->dev_attrib.hw_max_sectors =
- dev->dev_attrib.max_bytes_per_io / block_size;
-
- return 0;
-}
-EXPORT_SYMBOL(se_dev_set_block_size);
-
-struct se_lun *core_dev_add_lun(
+int core_dev_add_lun(
struct se_portal_group *tpg,
struct se_device *dev,
- u32 unpacked_lun)
+ struct se_lun *lun)
{
- struct se_lun *lun;
int rc;
- lun = core_tpg_alloc_lun(tpg, unpacked_lun);
- if (IS_ERR(lun))
- return lun;
-
rc = core_tpg_add_lun(tpg, lun,
TRANSPORT_LUNFLAGS_READ_WRITE, dev);
if (rc < 0)
- return ERR_PTR(rc);
+ return rc;
- pr_debug("%s_TPG[%u]_LUN[%u] - Activated %s Logical Unit from"
+ pr_debug("%s_TPG[%u]_LUN[%llu] - Activated %s Logical Unit from"
" CORE HBA: %u\n", tpg->se_tpg_tfo->get_fabric_name(),
tpg->se_tpg_tfo->tpg_get_tag(tpg), lun->unpacked_lun,
tpg->se_tpg_tfo->get_fabric_name(), dev->se_hba->hba_id);
@@ -1210,20 +566,19 @@ struct se_lun *core_dev_add_lun(
*/
if (tpg->se_tpg_tfo->tpg_check_demo_mode(tpg)) {
struct se_node_acl *acl;
- spin_lock_irq(&tpg->acl_node_lock);
+
+ mutex_lock(&tpg->acl_node_mutex);
list_for_each_entry(acl, &tpg->acl_node_list, acl_list) {
if (acl->dynamic_node_acl &&
(!tpg->se_tpg_tfo->tpg_check_demo_mode_login_only ||
!tpg->se_tpg_tfo->tpg_check_demo_mode_login_only(tpg))) {
- spin_unlock_irq(&tpg->acl_node_lock);
- core_tpg_add_node_to_devs(acl, tpg);
- spin_lock_irq(&tpg->acl_node_lock);
+ core_tpg_add_node_to_devs(acl, tpg, lun);
}
}
- spin_unlock_irq(&tpg->acl_node_lock);
+ mutex_unlock(&tpg->acl_node_mutex);
}
- return lun;
+ return 0;
}
/* core_dev_del_lun():
@@ -1234,7 +589,7 @@ void core_dev_del_lun(
struct se_portal_group *tpg,
struct se_lun *lun)
{
- pr_debug("%s_TPG[%u]_LUN[%u] - Deactivating %s Logical Unit from"
+ pr_debug("%s_TPG[%u]_LUN[%llu] - Deactivating %s Logical Unit from"
" device object\n", tpg->se_tpg_tfo->get_fabric_name(),
tpg->se_tpg_tfo->tpg_get_tag(tpg), lun->unpacked_lun,
tpg->se_tpg_tfo->get_fabric_name());
@@ -1242,72 +597,10 @@ void core_dev_del_lun(
core_tpg_remove_lun(tpg, lun);
}
-struct se_lun *core_get_lun_from_tpg(struct se_portal_group *tpg, u32 unpacked_lun)
-{
- struct se_lun *lun;
-
- spin_lock(&tpg->tpg_lun_lock);
- if (unpacked_lun > (TRANSPORT_MAX_LUNS_PER_TPG-1)) {
- pr_err("%s LUN: %u exceeds TRANSPORT_MAX_LUNS"
- "_PER_TPG-1: %u for Target Portal Group: %hu\n",
- tpg->se_tpg_tfo->get_fabric_name(), unpacked_lun,
- TRANSPORT_MAX_LUNS_PER_TPG-1,
- tpg->se_tpg_tfo->tpg_get_tag(tpg));
- spin_unlock(&tpg->tpg_lun_lock);
- return NULL;
- }
- lun = tpg->tpg_lun_list[unpacked_lun];
-
- if (lun->lun_status != TRANSPORT_LUN_STATUS_FREE) {
- pr_err("%s Logical Unit Number: %u is not free on"
- " Target Portal Group: %hu, ignoring request.\n",
- tpg->se_tpg_tfo->get_fabric_name(), unpacked_lun,
- tpg->se_tpg_tfo->tpg_get_tag(tpg));
- spin_unlock(&tpg->tpg_lun_lock);
- return NULL;
- }
- spin_unlock(&tpg->tpg_lun_lock);
-
- return lun;
-}
-
-/* core_dev_get_lun():
- *
- *
- */
-static struct se_lun *core_dev_get_lun(struct se_portal_group *tpg, u32 unpacked_lun)
-{
- struct se_lun *lun;
-
- spin_lock(&tpg->tpg_lun_lock);
- if (unpacked_lun > (TRANSPORT_MAX_LUNS_PER_TPG-1)) {
- pr_err("%s LUN: %u exceeds TRANSPORT_MAX_LUNS_PER"
- "_TPG-1: %u for Target Portal Group: %hu\n",
- tpg->se_tpg_tfo->get_fabric_name(), unpacked_lun,
- TRANSPORT_MAX_LUNS_PER_TPG-1,
- tpg->se_tpg_tfo->tpg_get_tag(tpg));
- spin_unlock(&tpg->tpg_lun_lock);
- return NULL;
- }
- lun = tpg->tpg_lun_list[unpacked_lun];
-
- if (lun->lun_status != TRANSPORT_LUN_STATUS_ACTIVE) {
- pr_err("%s Logical Unit Number: %u is not active on"
- " Target Portal Group: %hu, ignoring request.\n",
- tpg->se_tpg_tfo->get_fabric_name(), unpacked_lun,
- tpg->se_tpg_tfo->tpg_get_tag(tpg));
- spin_unlock(&tpg->tpg_lun_lock);
- return NULL;
- }
- spin_unlock(&tpg->tpg_lun_lock);
-
- return lun;
-}
-
struct se_lun_acl *core_dev_init_initiator_node_lun_acl(
struct se_portal_group *tpg,
struct se_node_acl *nacl,
- u32 mapped_lun,
+ u64 mapped_lun,
int *ret)
{
struct se_lun_acl *lacl;
@@ -1325,7 +618,6 @@ struct se_lun_acl *core_dev_init_initiator_node_lun_acl(
return NULL;
}
- INIT_LIST_HEAD(&lacl->lacl_list);
lacl->mapped_lun = mapped_lun;
lacl->se_lun_nacl = nacl;
snprintf(lacl->initiatorname, TRANSPORT_IQN_LEN, "%s",
@@ -1337,22 +629,16 @@ struct se_lun_acl *core_dev_init_initiator_node_lun_acl(
int core_dev_add_initiator_node_lun_acl(
struct se_portal_group *tpg,
struct se_lun_acl *lacl,
- u32 unpacked_lun,
+ struct se_lun *lun,
u32 lun_access)
{
- struct se_lun *lun;
- struct se_node_acl *nacl;
-
- lun = core_dev_get_lun(tpg, unpacked_lun);
- if (!lun) {
- pr_err("%s Logical Unit Number: %u is not active on"
- " Target Portal Group: %hu, ignoring request.\n",
- tpg->se_tpg_tfo->get_fabric_name(), unpacked_lun,
- tpg->se_tpg_tfo->tpg_get_tag(tpg));
- return -EINVAL;
- }
+ struct se_node_acl *nacl = lacl->se_lun_nacl;
+ /*
+ * rcu_dereference_raw protected by se_lun->lun_group symlink
+ * reference to se_device->dev_group.
+ */
+ struct se_device *dev = rcu_dereference_raw(lun->lun_se_dev);
- nacl = lacl->se_lun_nacl;
if (!nacl)
return -EINVAL;
@@ -1366,52 +652,40 @@ int core_dev_add_initiator_node_lun_acl(
lun_access, nacl, tpg) < 0)
return -EINVAL;
- spin_lock(&lun->lun_acl_lock);
- list_add_tail(&lacl->lacl_list, &lun->lun_acl_list);
- atomic_inc_mb(&lun->lun_acl_count);
- spin_unlock(&lun->lun_acl_lock);
-
- pr_debug("%s_TPG[%hu]_LUN[%u->%u] - Added %s ACL for "
+ pr_debug("%s_TPG[%hu]_LUN[%llu->%llu] - Added %s ACL for "
" InitiatorNode: %s\n", tpg->se_tpg_tfo->get_fabric_name(),
- tpg->se_tpg_tfo->tpg_get_tag(tpg), unpacked_lun, lacl->mapped_lun,
+ tpg->se_tpg_tfo->tpg_get_tag(tpg), lun->unpacked_lun, lacl->mapped_lun,
(lun_access & TRANSPORT_LUNFLAGS_READ_WRITE) ? "RW" : "RO",
lacl->initiatorname);
/*
* Check to see if there are any existing persistent reservation APTPL
* pre-registrations that need to be enabled for this LUN ACL..
*/
- core_scsi3_check_aptpl_registration(lun->lun_se_dev, tpg, lun, nacl,
+ core_scsi3_check_aptpl_registration(dev, tpg, lun, nacl,
lacl->mapped_lun);
return 0;
}
-/* core_dev_del_initiator_node_lun_acl():
- *
- *
- */
int core_dev_del_initiator_node_lun_acl(
- struct se_portal_group *tpg,
struct se_lun *lun,
struct se_lun_acl *lacl)
{
+ struct se_portal_group *tpg = lun->lun_tpg;
struct se_node_acl *nacl;
+ struct se_dev_entry *deve;
nacl = lacl->se_lun_nacl;
if (!nacl)
return -EINVAL;
- spin_lock(&lun->lun_acl_lock);
- list_del(&lacl->lacl_list);
- atomic_dec_mb(&lun->lun_acl_count);
- spin_unlock(&lun->lun_acl_lock);
-
- core_disable_device_list_for_node(lun, NULL, lacl->mapped_lun,
- TRANSPORT_LUNFLAGS_NO_ACCESS, nacl, tpg);
-
- lacl->se_lun = NULL;
+ mutex_lock(&nacl->lun_entry_mutex);
+ deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
+ if (deve)
+ core_disable_device_list_for_node(lun, deve, nacl, tpg);
+ mutex_unlock(&nacl->lun_entry_mutex);
- pr_debug("%s_TPG[%hu]_LUN[%u] - Removed ACL for"
- " InitiatorNode: %s Mapped LUN: %u\n",
+ pr_debug("%s_TPG[%hu]_LUN[%llu] - Removed ACL for"
+ " InitiatorNode: %s Mapped LUN: %llu\n",
tpg->se_tpg_tfo->get_fabric_name(),
tpg->se_tpg_tfo->tpg_get_tag(tpg), lun->unpacked_lun,
lacl->initiatorname, lacl->mapped_lun);
@@ -1424,7 +698,7 @@ void core_dev_free_initiator_node_lun_acl(
struct se_lun_acl *lacl)
{
pr_debug("%s_TPG[%hu] - Freeing ACL for %s InitiatorNode: %s"
- " Mapped LUN: %u\n", tpg->se_tpg_tfo->get_fabric_name(),
+ " Mapped LUN: %llu\n", tpg->se_tpg_tfo->get_fabric_name(),
tpg->se_tpg_tfo->tpg_get_tag(tpg),
tpg->se_tpg_tfo->get_fabric_name(),
lacl->initiatorname, lacl->mapped_lun);
@@ -1473,14 +747,15 @@ struct se_device *target_alloc_device(struct se_hba *hba, const char *name)
struct se_device *dev;
struct se_lun *xcopy_lun;
- dev = hba->transport->alloc_device(hba, name);
+ dev = hba->backend->ops->alloc_device(hba, name);
if (!dev)
return NULL;
dev->dev_link_magic = SE_DEV_LINK_MAGIC;
dev->se_hba = hba;
- dev->transport = hba->transport;
+ dev->transport = hba->backend->ops;
dev->prot_length = sizeof(struct se_dif_v1_tuple);
+ dev->hba_index = hba->hba_index;
INIT_LIST_HEAD(&dev->dev_list);
INIT_LIST_HEAD(&dev->dev_sep_list);
@@ -1513,9 +788,9 @@ struct se_device *target_alloc_device(struct se_hba *hba, const char *name)
dev->dev_attrib.da_dev = dev;
dev->dev_attrib.emulate_model_alias = DA_EMULATE_MODEL_ALIAS;
- dev->dev_attrib.emulate_dpo = DA_EMULATE_DPO;
- dev->dev_attrib.emulate_fua_write = DA_EMULATE_FUA_WRITE;
- dev->dev_attrib.emulate_fua_read = DA_EMULATE_FUA_READ;
+ dev->dev_attrib.emulate_dpo = 1;
+ dev->dev_attrib.emulate_fua_write = 1;
+ dev->dev_attrib.emulate_fua_read = 1;
dev->dev_attrib.emulate_write_cache = DA_EMULATE_WRITE_CACHE;
dev->dev_attrib.emulate_ua_intlck_ctrl = DA_EMULATE_UA_INTLLCK_CTRL;
dev->dev_attrib.emulate_tas = DA_EMULATE_TAS;
@@ -1537,12 +812,12 @@ struct se_device *target_alloc_device(struct se_hba *hba, const char *name)
dev->dev_attrib.max_write_same_len = DA_MAX_WRITE_SAME_LEN;
xcopy_lun = &dev->xcopy_lun;
- xcopy_lun->lun_se_dev = dev;
- init_completion(&xcopy_lun->lun_shutdown_comp);
- INIT_LIST_HEAD(&xcopy_lun->lun_acl_list);
- spin_lock_init(&xcopy_lun->lun_acl_lock);
- spin_lock_init(&xcopy_lun->lun_sep_lock);
+ rcu_assign_pointer(xcopy_lun->lun_se_dev, dev);
init_completion(&xcopy_lun->lun_ref_comp);
+ INIT_LIST_HEAD(&xcopy_lun->lun_deve_list);
+ INIT_LIST_HEAD(&xcopy_lun->lun_dev_link);
+ mutex_init(&xcopy_lun->lun_tg_pt_md_mutex);
+ xcopy_lun->lun_tpg = &xcopy_pt_tpg;
return dev;
}
@@ -1679,7 +954,7 @@ int core_dev_setup_virtual_lun0(void)
goto out_free_hba;
}
- hba->transport->set_configfs_dev_params(dev, buf, sizeof(buf));
+ hba->backend->ops->set_configfs_dev_params(dev, buf, sizeof(buf));
ret = target_configure_device(dev);
if (ret)
diff --git a/drivers/target/target_core_fabric_configfs.c b/drivers/target/target_core_fabric_configfs.c
index 1f7886bb16bfc213bad718ac45c2aff3a8ee5f97..48a36989c1a659408b5a1a58bbb97a0989576055 100644
--- a/drivers/target/target_core_fabric_configfs.c
+++ b/drivers/target/target_core_fabric_configfs.c
@@ -36,7 +36,6 @@
#include <target/target_core_base.h>
#include <target/target_core_fabric.h>
#include <target/target_core_fabric_configfs.h>
-#include <target/target_core_configfs.h>
#include <target/configfs_macros.h>
#include "target_core_internal.h"
@@ -46,27 +45,25 @@
#define TF_CIT_SETUP(_name, _item_ops, _group_ops, _attrs) \
static void target_fabric_setup_##_name##_cit(struct target_fabric_configfs *tf) \
{ \
- struct target_fabric_configfs_template *tfc = &tf->tf_cit_tmpl; \
- struct config_item_type *cit = &tfc->tfc_##_name##_cit; \
+ struct config_item_type *cit = &tf->tf_##_name##_cit; \
\
cit->ct_item_ops = _item_ops; \
cit->ct_group_ops = _group_ops; \
cit->ct_attrs = _attrs; \
- cit->ct_owner = tf->tf_module; \
+ cit->ct_owner = tf->tf_ops->module; \
pr_debug("Setup generic %s\n", __stringify(_name)); \
}
#define TF_CIT_SETUP_DRV(_name, _item_ops, _group_ops) \
static void target_fabric_setup_##_name##_cit(struct target_fabric_configfs *tf) \
{ \
- struct target_fabric_configfs_template *tfc = &tf->tf_cit_tmpl; \
- struct config_item_type *cit = &tfc->tfc_##_name##_cit; \
- struct configfs_attribute **attrs = tf->tf_ops.tfc_##_name##_attrs; \
+ struct config_item_type *cit = &tf->tf_##_name##_cit; \
+ struct configfs_attribute **attrs = tf->tf_ops->tfc_##_name##_attrs; \
\
cit->ct_item_ops = _item_ops; \
cit->ct_group_ops = _group_ops; \
cit->ct_attrs = attrs; \
- cit->ct_owner = tf->tf_module; \
+ cit->ct_owner = tf->tf_ops->module; \
pr_debug("Setup generic %s\n", __stringify(_name)); \
}
@@ -83,7 +80,7 @@ static int target_fabric_mappedlun_link(
struct se_lun_acl, se_lun_group);
struct se_portal_group *se_tpg;
struct config_item *nacl_ci, *tpg_ci, *tpg_ci_s, *wwn_ci, *wwn_ci_s;
- int ret = 0, lun_access;
+ int lun_access;
if (lun->lun_link_magic != SE_LUN_LINK_MAGIC) {
pr_err("Bad lun->lun_link_magic, not a valid lun_ci pointer:"
@@ -93,12 +90,11 @@ static int target_fabric_mappedlun_link(
/*
* Ensure that the source port exists
*/
- if (!lun->lun_sep || !lun->lun_sep->sep_tpg) {
- pr_err("Source se_lun->lun_sep or lun->lun_sep->sep"
- "_tpg does not exist\n");
+ if (!lun->lun_se_dev) {
+ pr_err("Source se_lun->lun_se_dev does not exist\n");
return -EINVAL;
}
- se_tpg = lun->lun_sep->sep_tpg;
+ se_tpg = lun->lun_tpg;
nacl_ci = &lun_acl_ci->ci_parent->ci_group->cg_item;
tpg_ci = &nacl_ci->ci_group->cg_item;
@@ -125,49 +121,35 @@ static int target_fabric_mappedlun_link(
* which be will write protected (READ-ONLY) when
* tpg_1/attrib/demo_mode_write_protect=1
*/
- spin_lock_irq(&lacl->se_lun_nacl->device_list_lock);
- deve = lacl->se_lun_nacl->device_list[lacl->mapped_lun];
- if (deve->lun_flags & TRANSPORT_LUNFLAGS_INITIATOR_ACCESS)
+ rcu_read_lock();
+ deve = target_nacl_find_deve(lacl->se_lun_nacl, lacl->mapped_lun);
+ if (deve)
lun_access = deve->lun_flags;
else
lun_access =
(se_tpg->se_tpg_tfo->tpg_check_prod_mode_write_protect(
se_tpg)) ? TRANSPORT_LUNFLAGS_READ_ONLY :
TRANSPORT_LUNFLAGS_READ_WRITE;
- spin_unlock_irq(&lacl->se_lun_nacl->device_list_lock);
+ rcu_read_unlock();
/*
* Determine the actual mapped LUN value user wants..
*
* This value is what the SCSI Initiator actually sees the
- * iscsi/$IQN/$TPGT/lun/lun_* as on their SCSI Initiator Ports.
+ * $FABRIC/$WWPN/$TPGT/lun/lun_* as on their SCSI Initiator Ports.
*/
- ret = core_dev_add_initiator_node_lun_acl(se_tpg, lacl,
- lun->unpacked_lun, lun_access);
-
- return (ret < 0) ? -EINVAL : 0;
+ return core_dev_add_initiator_node_lun_acl(se_tpg, lacl, lun, lun_access);
}
static int target_fabric_mappedlun_unlink(
struct config_item *lun_acl_ci,
struct config_item *lun_ci)
{
- struct se_lun *lun;
struct se_lun_acl *lacl = container_of(to_config_group(lun_acl_ci),
struct se_lun_acl, se_lun_group);
- struct se_node_acl *nacl = lacl->se_lun_nacl;
- struct se_dev_entry *deve = nacl->device_list[lacl->mapped_lun];
- struct se_portal_group *se_tpg;
- /*
- * Determine if the underlying MappedLUN has already been released..
- */
- if (!deve->se_lun)
- return 0;
-
- lun = container_of(to_config_group(lun_ci), struct se_lun, lun_group);
- se_tpg = lun->lun_sep->sep_tpg;
+ struct se_lun *lun = container_of(to_config_group(lun_ci),
+ struct se_lun, lun_group);
- core_dev_del_initiator_node_lun_acl(se_tpg, lun, lacl);
- return 0;
+ return core_dev_del_initiator_node_lun_acl(lun, lacl);
}
CONFIGFS_EATTR_STRUCT(target_fabric_mappedlun, se_lun_acl);
@@ -183,14 +165,15 @@ static ssize_t target_fabric_mappedlun_show_write_protect(
{
struct se_node_acl *se_nacl = lacl->se_lun_nacl;
struct se_dev_entry *deve;
- ssize_t len;
+ ssize_t len = 0;
- spin_lock_irq(&se_nacl->device_list_lock);
- deve = se_nacl->device_list[lacl->mapped_lun];
- len = sprintf(page, "%d\n",
- (deve->lun_flags & TRANSPORT_LUNFLAGS_READ_ONLY) ?
- 1 : 0);
- spin_unlock_irq(&se_nacl->device_list_lock);
+ rcu_read_lock();
+ deve = target_nacl_find_deve(se_nacl, lacl->mapped_lun);
+ if (deve) {
+ len = sprintf(page, "%d\n",
+ (deve->lun_flags & TRANSPORT_LUNFLAGS_READ_ONLY) ? 1 : 0);
+ }
+ rcu_read_unlock();
return len;
}
@@ -218,7 +201,7 @@ static ssize_t target_fabric_mappedlun_store_write_protect(
lacl->se_lun_nacl);
pr_debug("%s_ConfigFS: Changed Initiator ACL: %s"
- " Mapped LUN: %u Write Protect bit to %s\n",
+ " Mapped LUN: %llu Write Protect bit to %s\n",
se_tpg->se_tpg_tfo->get_fabric_name(),
lacl->initiatorname, lacl->mapped_lun, (op) ? "ON" : "OFF");
@@ -338,7 +321,7 @@ static struct config_group *target_fabric_make_mappedlun(
struct config_item *acl_ci;
struct config_group *lacl_cg = NULL, *ml_stat_grp = NULL;
char *buf;
- unsigned long mapped_lun;
+ unsigned long long mapped_lun;
int ret = 0;
acl_ci = &group->cg_item;
@@ -366,21 +349,9 @@ static struct config_group *target_fabric_make_mappedlun(
* Determine the Mapped LUN value. This is what the SCSI Initiator
* Port will actually see.
*/
- ret = kstrtoul(buf + 4, 0, &mapped_lun);
+ ret = kstrtoull(buf + 4, 0, &mapped_lun);
if (ret)
goto out;
- if (mapped_lun > UINT_MAX) {
- ret = -EINVAL;
- goto out;
- }
- if (mapped_lun > (TRANSPORT_MAX_LUNS_PER_TPG-1)) {
- pr_err("Mapped LUN: %lu exceeds TRANSPORT_MAX_LUNS_PER_TPG"
- "-1: %u for Target Portal Group: %u\n", mapped_lun,
- TRANSPORT_MAX_LUNS_PER_TPG-1,
- se_tpg->se_tpg_tfo->tpg_get_tag(se_tpg));
- ret = -EINVAL;
- goto out;
- }
lacl = core_dev_init_initiator_node_lun_acl(se_tpg, se_nacl,
mapped_lun, &ret);
@@ -399,9 +370,9 @@ static struct config_group *target_fabric_make_mappedlun(
}
config_group_init_type_name(&lacl->se_lun_group, name,
- &tf->tf_cit_tmpl.tfc_tpg_mappedlun_cit);
+ &tf->tf_tpg_mappedlun_cit);
config_group_init_type_name(&lacl->ml_stat_grps.stat_group,
- "statistics", &tf->tf_cit_tmpl.tfc_tpg_mappedlun_stat_cit);
+ "statistics", &tf->tf_tpg_mappedlun_stat_cit);
lacl_cg->default_groups[0] = &lacl->ml_stat_grps.stat_group;
lacl_cg->default_groups[1] = NULL;
@@ -458,10 +429,11 @@ static void target_fabric_nacl_base_release(struct config_item *item)
{
struct se_node_acl *se_nacl = container_of(to_config_group(item),
struct se_node_acl, acl_group);
- struct se_portal_group *se_tpg = se_nacl->se_tpg;
- struct target_fabric_configfs *tf = se_tpg->se_tpg_wwn->wwn_tf;
+ struct target_fabric_configfs *tf = se_nacl->se_tpg->se_tpg_wwn->wwn_tf;
- tf->tf_ops.fabric_drop_nodeacl(se_nacl);
+ if (tf->tf_ops->fabric_cleanup_nodeacl)
+ tf->tf_ops->fabric_cleanup_nodeacl(se_nacl);
+ core_tpg_del_initiator_node_acl(se_nacl);
}
static struct configfs_item_operations target_fabric_nacl_base_item_ops = {
@@ -501,15 +473,18 @@ static struct config_group *target_fabric_make_nodeacl(
struct se_node_acl *se_nacl;
struct config_group *nacl_cg;
- if (!tf->tf_ops.fabric_make_nodeacl) {
- pr_err("tf->tf_ops.fabric_make_nodeacl is NULL\n");
- return ERR_PTR(-ENOSYS);
- }
-
- se_nacl = tf->tf_ops.fabric_make_nodeacl(se_tpg, group, name);
+ se_nacl = core_tpg_add_initiator_node_acl(se_tpg, name);
if (IS_ERR(se_nacl))
return ERR_CAST(se_nacl);
+ if (tf->tf_ops->fabric_init_nodeacl) {
+ int ret = tf->tf_ops->fabric_init_nodeacl(se_nacl, name);
+ if (ret) {
+ core_tpg_del_initiator_node_acl(se_nacl);
+ return ERR_PTR(ret);
+ }
+ }
+
nacl_cg = &se_nacl->acl_group;
nacl_cg->default_groups = se_nacl->acl_default_groups;
nacl_cg->default_groups[0] = &se_nacl->acl_attrib_group;
@@ -519,16 +494,15 @@ static struct config_group *target_fabric_make_nodeacl(
nacl_cg->default_groups[4] = NULL;
config_group_init_type_name(&se_nacl->acl_group, name,
- &tf->tf_cit_tmpl.tfc_tpg_nacl_base_cit);
+ &tf->tf_tpg_nacl_base_cit);
config_group_init_type_name(&se_nacl->acl_attrib_group, "attrib",
- &tf->tf_cit_tmpl.tfc_tpg_nacl_attrib_cit);
+ &tf->tf_tpg_nacl_attrib_cit);
config_group_init_type_name(&se_nacl->acl_auth_group, "auth",
- &tf->tf_cit_tmpl.tfc_tpg_nacl_auth_cit);
+ &tf->tf_tpg_nacl_auth_cit);
config_group_init_type_name(&se_nacl->acl_param_group, "param",
- &tf->tf_cit_tmpl.tfc_tpg_nacl_param_cit);
+ &tf->tf_tpg_nacl_param_cit);
config_group_init_type_name(&se_nacl->acl_fabric_stat_group,
- "fabric_statistics",
- &tf->tf_cit_tmpl.tfc_tpg_nacl_stat_cit);
+ "fabric_statistics", &tf->tf_tpg_nacl_stat_cit);
return &se_nacl->acl_group;
}
@@ -575,7 +549,7 @@ static void target_fabric_np_base_release(struct config_item *item)
struct se_portal_group *se_tpg = se_tpg_np->tpg_np_parent;
struct target_fabric_configfs *tf = se_tpg->se_tpg_wwn->wwn_tf;
- tf->tf_ops.fabric_drop_np(se_tpg_np);
+ tf->tf_ops->fabric_drop_np(se_tpg_np);
}
static struct configfs_item_operations target_fabric_np_base_item_ops = {
@@ -599,18 +573,18 @@ static struct config_group *target_fabric_make_np(
struct target_fabric_configfs *tf = se_tpg->se_tpg_wwn->wwn_tf;
struct se_tpg_np *se_tpg_np;
- if (!tf->tf_ops.fabric_make_np) {
+ if (!tf->tf_ops->fabric_make_np) {
pr_err("tf->tf_ops.fabric_make_np is NULL\n");
return ERR_PTR(-ENOSYS);
}
- se_tpg_np = tf->tf_ops.fabric_make_np(se_tpg, group, name);
+ se_tpg_np = tf->tf_ops->fabric_make_np(se_tpg, group, name);
if (!se_tpg_np || IS_ERR(se_tpg_np))
return ERR_PTR(-EINVAL);
se_tpg_np->tpg_np_parent = se_tpg;
config_group_init_type_name(&se_tpg_np->tpg_np_group, name,
- &tf->tf_cit_tmpl.tfc_tpg_np_base_cit);
+ &tf->tf_tpg_np_base_cit);
return &se_tpg_np->tpg_np_group;
}
@@ -654,10 +628,10 @@ static ssize_t target_fabric_port_show_attr_alua_tg_pt_gp(
struct se_lun *lun,
char *page)
{
- if (!lun || !lun->lun_sep)
+ if (!lun || !lun->lun_se_dev)
return -ENODEV;
- return core_alua_show_tg_pt_gp_info(lun->lun_sep, page);
+ return core_alua_show_tg_pt_gp_info(lun, page);
}
static ssize_t target_fabric_port_store_attr_alua_tg_pt_gp(
@@ -665,10 +639,10 @@ static ssize_t target_fabric_port_store_attr_alua_tg_pt_gp(
const char *page,
size_t count)
{
- if (!lun || !lun->lun_sep)
+ if (!lun || !lun->lun_se_dev)
return -ENODEV;
- return core_alua_store_tg_pt_gp_info(lun->lun_sep, page, count);
+ return core_alua_store_tg_pt_gp_info(lun, page, count);
}
TCM_PORT_ATTR(alua_tg_pt_gp, S_IRUGO | S_IWUSR);
@@ -680,7 +654,7 @@ static ssize_t target_fabric_port_show_attr_alua_tg_pt_offline(
struct se_lun *lun,
char *page)
{
- if (!lun || !lun->lun_sep)
+ if (!lun || !lun->lun_se_dev)
return -ENODEV;
return core_alua_show_offline_bit(lun, page);
@@ -691,7 +665,7 @@ static ssize_t target_fabric_port_store_attr_alua_tg_pt_offline(
const char *page,
size_t count)
{
- if (!lun || !lun->lun_sep)
+ if (!lun || !lun->lun_se_dev)
return -ENODEV;
return core_alua_store_offline_bit(lun, page, count);
@@ -706,7 +680,7 @@ static ssize_t target_fabric_port_show_attr_alua_tg_pt_status(
struct se_lun *lun,
char *page)
{
- if (!lun || !lun->lun_sep)
+ if (!lun || !lun->lun_se_dev)
return -ENODEV;
return core_alua_show_secondary_status(lun, page);
@@ -717,7 +691,7 @@ static ssize_t target_fabric_port_store_attr_alua_tg_pt_status(
const char *page,
size_t count)
{
- if (!lun || !lun->lun_sep)
+ if (!lun || !lun->lun_se_dev)
return -ENODEV;
return core_alua_store_secondary_status(lun, page, count);
@@ -732,7 +706,7 @@ static ssize_t target_fabric_port_show_attr_alua_tg_pt_write_md(
struct se_lun *lun,
char *page)
{
- if (!lun || !lun->lun_sep)
+ if (!lun || !lun->lun_se_dev)
return -ENODEV;
return core_alua_show_secondary_write_metadata(lun, page);
@@ -743,7 +717,7 @@ static ssize_t target_fabric_port_store_attr_alua_tg_pt_write_md(
const char *page,
size_t count)
{
- if (!lun || !lun->lun_sep)
+ if (!lun || !lun->lun_se_dev)
return -ENODEV;
return core_alua_store_secondary_write_metadata(lun, page, count);
@@ -769,7 +743,6 @@ static int target_fabric_port_link(
struct config_item *tpg_ci;
struct se_lun *lun = container_of(to_config_group(lun_ci),
struct se_lun, lun_group);
- struct se_lun *lun_p;
struct se_portal_group *se_tpg;
struct se_device *dev =
container_of(to_config_group(se_dev_ci), struct se_device, dev_group);
@@ -797,20 +770,19 @@ static int target_fabric_port_link(
return -EEXIST;
}
- lun_p = core_dev_add_lun(se_tpg, dev, lun->unpacked_lun);
- if (IS_ERR(lun_p)) {
- pr_err("core_dev_add_lun() failed\n");
- ret = PTR_ERR(lun_p);
+ ret = core_dev_add_lun(se_tpg, dev, lun);
+ if (ret) {
+ pr_err("core_dev_add_lun() failed: %d\n", ret);
goto out;
}
- if (tf->tf_ops.fabric_post_link) {
+ if (tf->tf_ops->fabric_post_link) {
/*
* Call the optional fabric_post_link() to allow a
* fabric module to setup any additional state once
* core_dev_add_lun() has been called..
*/
- tf->tf_ops.fabric_post_link(se_tpg, lun);
+ tf->tf_ops->fabric_post_link(se_tpg, lun);
}
return 0;
@@ -824,25 +796,34 @@ static int target_fabric_port_unlink(
{
struct se_lun *lun = container_of(to_config_group(lun_ci),
struct se_lun, lun_group);
- struct se_portal_group *se_tpg = lun->lun_sep->sep_tpg;
+ struct se_portal_group *se_tpg = lun->lun_tpg;
struct target_fabric_configfs *tf = se_tpg->se_tpg_wwn->wwn_tf;
- if (tf->tf_ops.fabric_pre_unlink) {
+ if (tf->tf_ops->fabric_pre_unlink) {
/*
* Call the optional fabric_pre_unlink() to allow a
* fabric module to release any additional stat before
* core_dev_del_lun() is called.
*/
- tf->tf_ops.fabric_pre_unlink(se_tpg, lun);
+ tf->tf_ops->fabric_pre_unlink(se_tpg, lun);
}
core_dev_del_lun(se_tpg, lun);
return 0;
}
+static void target_fabric_port_release(struct config_item *item)
+{
+ struct se_lun *lun = container_of(to_config_group(item),
+ struct se_lun, lun_group);
+
+ kfree_rcu(lun, rcu_head);
+}
+
static struct configfs_item_operations target_fabric_port_item_ops = {
.show_attribute = target_fabric_port_attr_show,
.store_attribute = target_fabric_port_attr_store,
+ .release = target_fabric_port_release,
.allow_link = target_fabric_port_link,
.drop_link = target_fabric_port_unlink,
};
@@ -887,7 +868,7 @@ static struct config_group *target_fabric_make_lun(
struct se_portal_group, tpg_lun_group);
struct target_fabric_configfs *tf = se_tpg->se_tpg_wwn->wwn_tf;
struct config_group *lun_cg = NULL, *port_stat_grp = NULL;
- unsigned long unpacked_lun;
+ unsigned long long unpacked_lun;
int errno;
if (strstr(name, "lun_") != name) {
@@ -895,28 +876,27 @@ static struct config_group *target_fabric_make_lun(
" \"lun_$LUN_NUMBER\"\n");
return ERR_PTR(-EINVAL);
}
- errno = kstrtoul(name + 4, 0, &unpacked_lun);
+ errno = kstrtoull(name + 4, 0, &unpacked_lun);
if (errno)
return ERR_PTR(errno);
- if (unpacked_lun > UINT_MAX)
- return ERR_PTR(-EINVAL);
- lun = core_get_lun_from_tpg(se_tpg, unpacked_lun);
- if (!lun)
- return ERR_PTR(-EINVAL);
+ lun = core_tpg_alloc_lun(se_tpg, unpacked_lun);
+ if (IS_ERR(lun))
+ return ERR_CAST(lun);
lun_cg = &lun->lun_group;
lun_cg->default_groups = kmalloc(sizeof(struct config_group *) * 2,
GFP_KERNEL);
if (!lun_cg->default_groups) {
pr_err("Unable to allocate lun_cg->default_groups\n");
+ kfree(lun);
return ERR_PTR(-ENOMEM);
}
config_group_init_type_name(&lun->lun_group, name,
- &tf->tf_cit_tmpl.tfc_tpg_port_cit);
+ &tf->tf_tpg_port_cit);
config_group_init_type_name(&lun->port_stat_grps.stat_group,
- "statistics", &tf->tf_cit_tmpl.tfc_tpg_port_stat_cit);
+ "statistics", &tf->tf_tpg_port_stat_cit);
lun_cg->default_groups[0] = &lun->port_stat_grps.stat_group;
lun_cg->default_groups[1] = NULL;
@@ -926,6 +906,7 @@ static struct config_group *target_fabric_make_lun(
if (!port_stat_grp->default_groups) {
pr_err("Unable to allocate port_stat_grp->default_groups\n");
kfree(lun_cg->default_groups);
+ kfree(lun);
return ERR_PTR(-ENOMEM);
}
target_stat_setup_port_default_groups(lun);
@@ -1023,7 +1004,7 @@ static void target_fabric_tpg_release(struct config_item *item)
struct se_wwn *wwn = se_tpg->se_tpg_wwn;
struct target_fabric_configfs *tf = wwn->wwn_tf;
- tf->tf_ops.fabric_drop_tpg(se_tpg);
+ tf->tf_ops->fabric_drop_tpg(se_tpg);
}
static struct configfs_item_operations target_fabric_tpg_base_item_ops = {
@@ -1046,12 +1027,12 @@ static struct config_group *target_fabric_make_tpg(
struct target_fabric_configfs *tf = wwn->wwn_tf;
struct se_portal_group *se_tpg;
- if (!tf->tf_ops.fabric_make_tpg) {
- pr_err("tf->tf_ops.fabric_make_tpg is NULL\n");
+ if (!tf->tf_ops->fabric_make_tpg) {
+ pr_err("tf->tf_ops->fabric_make_tpg is NULL\n");
return ERR_PTR(-ENOSYS);
}
- se_tpg = tf->tf_ops.fabric_make_tpg(wwn, group, name);
+ se_tpg = tf->tf_ops->fabric_make_tpg(wwn, group, name);
if (!se_tpg || IS_ERR(se_tpg))
return ERR_PTR(-EINVAL);
/*
@@ -1067,19 +1048,19 @@ static struct config_group *target_fabric_make_tpg(
se_tpg->tpg_group.default_groups[6] = NULL;
config_group_init_type_name(&se_tpg->tpg_group, name,
- &tf->tf_cit_tmpl.tfc_tpg_base_cit);
+ &tf->tf_tpg_base_cit);
config_group_init_type_name(&se_tpg->tpg_lun_group, "lun",
- &tf->tf_cit_tmpl.tfc_tpg_lun_cit);
+ &tf->tf_tpg_lun_cit);
config_group_init_type_name(&se_tpg->tpg_np_group, "np",
- &tf->tf_cit_tmpl.tfc_tpg_np_cit);
+ &tf->tf_tpg_np_cit);
config_group_init_type_name(&se_tpg->tpg_acl_group, "acls",
- &tf->tf_cit_tmpl.tfc_tpg_nacl_cit);
+ &tf->tf_tpg_nacl_cit);
config_group_init_type_name(&se_tpg->tpg_attrib_group, "attrib",
- &tf->tf_cit_tmpl.tfc_tpg_attrib_cit);
+ &tf->tf_tpg_attrib_cit);
config_group_init_type_name(&se_tpg->tpg_auth_group, "auth",
- &tf->tf_cit_tmpl.tfc_tpg_auth_cit);
+ &tf->tf_tpg_auth_cit);
config_group_init_type_name(&se_tpg->tpg_param_group, "param",
- &tf->tf_cit_tmpl.tfc_tpg_param_cit);
+ &tf->tf_tpg_param_cit);
return &se_tpg->tpg_group;
}
@@ -1112,7 +1093,7 @@ static void target_fabric_release_wwn(struct config_item *item)
struct se_wwn, wwn_group);
struct target_fabric_configfs *tf = wwn->wwn_tf;
- tf->tf_ops.fabric_drop_wwn(wwn);
+ tf->tf_ops->fabric_drop_wwn(wwn);
}
static struct configfs_item_operations target_fabric_tpg_item_ops = {
@@ -1148,12 +1129,12 @@ static struct config_group *target_fabric_make_wwn(
struct target_fabric_configfs, tf_group);
struct se_wwn *wwn;
- if (!tf->tf_ops.fabric_make_wwn) {
+ if (!tf->tf_ops->fabric_make_wwn) {
pr_err("tf->tf_ops.fabric_make_wwn is NULL\n");
return ERR_PTR(-ENOSYS);
}
- wwn = tf->tf_ops.fabric_make_wwn(tf, group, name);
+ wwn = tf->tf_ops->fabric_make_wwn(tf, group, name);
if (!wwn || IS_ERR(wwn))
return ERR_PTR(-EINVAL);
@@ -1165,10 +1146,9 @@ static struct config_group *target_fabric_make_wwn(
wwn->wwn_group.default_groups[0] = &wwn->fabric_stat_group;
wwn->wwn_group.default_groups[1] = NULL;
- config_group_init_type_name(&wwn->wwn_group, name,
- &tf->tf_cit_tmpl.tfc_tpg_cit);
+ config_group_init_type_name(&wwn->wwn_group, name, &tf->tf_tpg_cit);
config_group_init_type_name(&wwn->fabric_stat_group, "fabric_statistics",
- &tf->tf_cit_tmpl.tfc_wwn_fabric_stats_cit);
+ &tf->tf_wwn_fabric_stats_cit);
return &wwn->wwn_group;
}
diff --git a/drivers/target/target_core_fabric_lib.c b/drivers/target/target_core_fabric_lib.c
index 41f4f270f91982746e8ce237f22bd1680d51722e..cb6497ce4b61a81cbb9eba00bd79d0ecbc08f847 100644
--- a/drivers/target/target_core_fabric_lib.c
+++ b/drivers/target/target_core_fabric_lib.c
@@ -24,6 +24,11 @@
*
******************************************************************************/
+/*
+ * See SPC4, section 7.5 "Protocol specific parameters" for details
+ * on the formats implemented in this file.
+ */
+
#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/ctype.h>
@@ -34,124 +39,30 @@
#include <target/target_core_base.h>
#include <target/target_core_fabric.h>
-#include <target/target_core_configfs.h>
#include "target_core_internal.h"
#include "target_core_pr.h"
-/*
- * Handlers for Serial Attached SCSI (SAS)
- */
-u8 sas_get_fabric_proto_ident(struct se_portal_group *se_tpg)
-{
- /*
- * Return a SAS Serial SCSI Protocol identifier for loopback operations
- * This is defined in section 7.5.1 Table 362 in spc4r17
- */
- return 0x6;
-}
-EXPORT_SYMBOL(sas_get_fabric_proto_ident);
-u32 sas_get_pr_transport_id(
- struct se_portal_group *se_tpg,
- struct se_node_acl *se_nacl,
- struct t10_pr_registration *pr_reg,
+static int sas_get_pr_transport_id(
+ struct se_node_acl *nacl,
int *format_code,
unsigned char *buf)
{
- unsigned char *ptr;
int ret;
- /*
- * Set PROTOCOL IDENTIFIER to 6h for SAS
- */
- buf[0] = 0x06;
- /*
- * From spc4r17, 7.5.4.7 TransportID for initiator ports using SCSI
- * over SAS Serial SCSI Protocol
- */
- ptr = &se_nacl->initiatorname[4]; /* Skip over 'naa. prefix */
-
- ret = hex2bin(&buf[4], ptr, 8);
- if (ret < 0)
- pr_debug("sas transport_id: invalid hex string\n");
-
- /*
- * The SAS Transport ID is a hardcoded 24-byte length
- */
- return 24;
-}
-EXPORT_SYMBOL(sas_get_pr_transport_id);
-
-u32 sas_get_pr_transport_id_len(
- struct se_portal_group *se_tpg,
- struct se_node_acl *se_nacl,
- struct t10_pr_registration *pr_reg,
- int *format_code)
-{
- *format_code = 0;
- /*
- * From spc4r17, 7.5.4.7 TransportID for initiator ports using SCSI
- * over SAS Serial SCSI Protocol
- *
- * The SAS Transport ID is a hardcoded 24-byte length
- */
- return 24;
-}
-EXPORT_SYMBOL(sas_get_pr_transport_id_len);
-
-/*
- * Used for handling SCSI fabric dependent TransportIDs in SPC-3 and above
- * Persistent Reservation SPEC_I_PT=1 and PROUT REGISTER_AND_MOVE operations.
- */
-char *sas_parse_pr_out_transport_id(
- struct se_portal_group *se_tpg,
- const char *buf,
- u32 *out_tid_len,
- char **port_nexus_ptr)
-{
- /*
- * Assume the FORMAT CODE 00b from spc4r17, 7.5.4.7 TransportID
- * for initiator ports using SCSI over SAS Serial SCSI Protocol
- *
- * The TransportID for a SAS Initiator Port is of fixed size of
- * 24 bytes, and SAS does not contain a I_T nexus identifier,
- * so we return the **port_nexus_ptr set to NULL.
- */
- *port_nexus_ptr = NULL;
- *out_tid_len = 24;
-
- return (char *)&buf[4];
-}
-EXPORT_SYMBOL(sas_parse_pr_out_transport_id);
-
-/*
- * Handlers for Fibre Channel Protocol (FCP)
- */
-u8 fc_get_fabric_proto_ident(struct se_portal_group *se_tpg)
-{
- return 0x0; /* 0 = fcp-2 per SPC4 section 7.5.1 */
-}
-EXPORT_SYMBOL(fc_get_fabric_proto_ident);
+ /* Skip over 'naa. prefix */
+ ret = hex2bin(&buf[4], &nacl->initiatorname[4], 8);
+ if (ret) {
+ pr_debug("%s: invalid hex string\n", __func__);
+ return ret;
+ }
-u32 fc_get_pr_transport_id_len(
- struct se_portal_group *se_tpg,
- struct se_node_acl *se_nacl,
- struct t10_pr_registration *pr_reg,
- int *format_code)
-{
- *format_code = 0;
- /*
- * The FC Transport ID is a hardcoded 24-byte length
- */
return 24;
}
-EXPORT_SYMBOL(fc_get_pr_transport_id_len);
-u32 fc_get_pr_transport_id(
- struct se_portal_group *se_tpg,
+static int fc_get_pr_transport_id(
struct se_node_acl *se_nacl,
- struct t10_pr_registration *pr_reg,
int *format_code,
unsigned char *buf)
{
@@ -160,24 +71,20 @@ u32 fc_get_pr_transport_id(
u32 off = 8;
/*
- * PROTOCOL IDENTIFIER is 0h for FCP-2
- *
- * From spc4r17, 7.5.4.2 TransportID for initiator ports using
- * SCSI over Fibre Channel
- *
* We convert the ASCII formatted N Port name into a binary
* encoded TransportID.
*/
ptr = &se_nacl->initiatorname[0];
-
for (i = 0; i < 24; ) {
if (!strncmp(&ptr[i], ":", 1)) {
i++;
continue;
}
ret = hex2bin(&buf[off++], &ptr[i], 1);
- if (ret < 0)
- pr_debug("fc transport_id: invalid hex string\n");
+ if (ret < 0) {
+ pr_debug("%s: invalid hex string\n", __func__);
+ return ret;
+ }
i += 2;
}
/*
@@ -185,42 +92,52 @@ u32 fc_get_pr_transport_id(
*/
return 24;
}
-EXPORT_SYMBOL(fc_get_pr_transport_id);
-char *fc_parse_pr_out_transport_id(
- struct se_portal_group *se_tpg,
- const char *buf,
- u32 *out_tid_len,
- char **port_nexus_ptr)
+static int sbp_get_pr_transport_id(
+ struct se_node_acl *nacl,
+ int *format_code,
+ unsigned char *buf)
{
- /*
- * The TransportID for a FC N Port is of fixed size of
- * 24 bytes, and FC does not contain a I_T nexus identifier,
- * so we return the **port_nexus_ptr set to NULL.
- */
- *port_nexus_ptr = NULL;
- *out_tid_len = 24;
+ int ret;
- return (char *)&buf[8];
-}
-EXPORT_SYMBOL(fc_parse_pr_out_transport_id);
+ ret = hex2bin(&buf[8], nacl->initiatorname, 8);
+ if (ret) {
+ pr_debug("%s: invalid hex string\n", __func__);
+ return ret;
+ }
-/*
- * Handlers for Internet Small Computer Systems Interface (iSCSI)
- */
+ return 24;
+}
-u8 iscsi_get_fabric_proto_ident(struct se_portal_group *se_tpg)
+static int srp_get_pr_transport_id(
+ struct se_node_acl *nacl,
+ int *format_code,
+ unsigned char *buf)
{
- /*
- * This value is defined for "Internet SCSI (iSCSI)"
- * in spc4r17 section 7.5.1 Table 362
- */
- return 0x5;
+ const char *p;
+ unsigned len, count, leading_zero_bytes;
+ int rc;
+
+ p = nacl->initiatorname;
+ if (strncasecmp(p, "0x", 2) == 0)
+ p += 2;
+ len = strlen(p);
+ if (len % 2)
+ return -EINVAL;
+
+ count = min(len / 2, 16U);
+ leading_zero_bytes = 16 - count;
+ memset(buf + 8, 0, leading_zero_bytes);
+ rc = hex2bin(buf + 8 + leading_zero_bytes, p, count);
+ if (rc < 0) {
+ pr_debug("hex2bin failed for %s: %d\n", __func__, rc);
+ return rc;
+ }
+
+ return 24;
}
-EXPORT_SYMBOL(iscsi_get_fabric_proto_ident);
-u32 iscsi_get_pr_transport_id(
- struct se_portal_group *se_tpg,
+static int iscsi_get_pr_transport_id(
struct se_node_acl *se_nacl,
struct t10_pr_registration *pr_reg,
int *format_code,
@@ -230,10 +147,6 @@ u32 iscsi_get_pr_transport_id(
u16 len = 0;
spin_lock_irq(&se_nacl->nacl_sess_lock);
- /*
- * Set PROTOCOL IDENTIFIER to 5h for iSCSI
- */
- buf[0] = 0x05;
/*
* From spc4r17 Section 7.5.4.6: TransportID for initiator
* ports using SCSI over iSCSI.
@@ -313,10 +226,8 @@ u32 iscsi_get_pr_transport_id(
return len;
}
-EXPORT_SYMBOL(iscsi_get_pr_transport_id);
-u32 iscsi_get_pr_transport_id_len(
- struct se_portal_group *se_tpg,
+static int iscsi_get_pr_transport_id_len(
struct se_node_acl *se_nacl,
struct t10_pr_registration *pr_reg,
int *format_code)
@@ -359,9 +270,8 @@ u32 iscsi_get_pr_transport_id_len(
return len;
}
-EXPORT_SYMBOL(iscsi_get_pr_transport_id_len);
-char *iscsi_parse_pr_out_transport_id(
+static char *iscsi_parse_pr_out_transport_id(
struct se_portal_group *se_tpg,
const char *buf,
u32 *out_tid_len,
@@ -448,4 +358,79 @@ char *iscsi_parse_pr_out_transport_id(
return (char *)&buf[4];
}
-EXPORT_SYMBOL(iscsi_parse_pr_out_transport_id);
+
+int target_get_pr_transport_id_len(struct se_node_acl *nacl,
+ struct t10_pr_registration *pr_reg, int *format_code)
+{
+ switch (nacl->se_tpg->proto_id) {
+ case SCSI_PROTOCOL_FCP:
+ case SCSI_PROTOCOL_SBP:
+ case SCSI_PROTOCOL_SRP:
+ case SCSI_PROTOCOL_SAS:
+ break;
+ case SCSI_PROTOCOL_ISCSI:
+ return iscsi_get_pr_transport_id_len(nacl, pr_reg, format_code);
+ default:
+ pr_err("Unknown proto_id: 0x%02x\n", nacl->se_tpg->proto_id);
+ return -EINVAL;
+ }
+
+ /*
+ * Most transports use a fixed length 24 byte identifier.
+ */
+ *format_code = 0;
+ return 24;
+}
+
+int target_get_pr_transport_id(struct se_node_acl *nacl,
+ struct t10_pr_registration *pr_reg, int *format_code,
+ unsigned char *buf)
+{
+ switch (nacl->se_tpg->proto_id) {
+ case SCSI_PROTOCOL_SAS:
+ return sas_get_pr_transport_id(nacl, format_code, buf);
+ case SCSI_PROTOCOL_SBP:
+ return sbp_get_pr_transport_id(nacl, format_code, buf);
+ case SCSI_PROTOCOL_SRP:
+ return srp_get_pr_transport_id(nacl, format_code, buf);
+ case SCSI_PROTOCOL_FCP:
+ return fc_get_pr_transport_id(nacl, format_code, buf);
+ case SCSI_PROTOCOL_ISCSI:
+ return iscsi_get_pr_transport_id(nacl, pr_reg, format_code,
+ buf);
+ default:
+ pr_err("Unknown proto_id: 0x%02x\n", nacl->se_tpg->proto_id);
+ return -EINVAL;
+ }
+}
+
+const char *target_parse_pr_out_transport_id(struct se_portal_group *tpg,
+ const char *buf, u32 *out_tid_len, char **port_nexus_ptr)
+{
+ u32 offset;
+
+ switch (tpg->proto_id) {
+ case SCSI_PROTOCOL_SAS:
+ /*
+ * Assume the FORMAT CODE 00b from spc4r17, 7.5.4.7 TransportID
+ * for initiator ports using SCSI over SAS Serial SCSI Protocol.
+ */
+ offset = 4;
+ break;
+ case SCSI_PROTOCOL_SBP:
+ case SCSI_PROTOCOL_SRP:
+ case SCSI_PROTOCOL_FCP:
+ offset = 8;
+ break;
+ case SCSI_PROTOCOL_ISCSI:
+ return iscsi_parse_pr_out_transport_id(tpg, buf, out_tid_len,
+ port_nexus_ptr);
+ default:
+ pr_err("Unknown proto_id: 0x%02x\n", tpg->proto_id);
+ return NULL;
+ }
+
+ *port_nexus_ptr = NULL;
+ *out_tid_len = 24;
+ return buf + offset;
+}
diff --git a/drivers/target/target_core_file.c b/drivers/target/target_core_file.c
index 66417135328964d589023346b80d64b31f6a6925..e3195700211a3ebc38192391bf6488ed6ae86099 100644
--- a/drivers/target/target_core_file.c
+++ b/drivers/target/target_core_file.c
@@ -37,7 +37,6 @@
#include <target/target_core_base.h>
#include <target/target_core_backend.h>
-#include <target/target_core_backend_configfs.h>
#include "target_core_file.h"
@@ -46,10 +45,6 @@ static inline struct fd_dev *FD_DEV(struct se_device *dev)
return container_of(dev, struct fd_dev, dev);
}
-/* fd_attach_hba(): (Part of se_subsystem_api_t template)
- *
- *
- */
static int fd_attach_hba(struct se_hba *hba, u32 host_id)
{
struct fd_host *fd_host;
@@ -66,7 +61,7 @@ static int fd_attach_hba(struct se_hba *hba, u32 host_id)
pr_debug("CORE_HBA[%d] - TCM FILEIO HBA Driver %s on Generic"
" Target Core Stack %s\n", hba->hba_id, FD_VERSION,
- TARGET_CORE_MOD_VERSION);
+ TARGET_CORE_VERSION);
pr_debug("CORE_HBA[%d] - Attached FILEIO HBA: %u to Generic\n",
hba->hba_id, fd_host->fd_host_id);
@@ -246,87 +241,34 @@ static int fd_configure_device(struct se_device *dev)
return ret;
}
-static void fd_free_device(struct se_device *dev)
+static void fd_dev_call_rcu(struct rcu_head *p)
{
+ struct se_device *dev = container_of(p, struct se_device, rcu_head);
struct fd_dev *fd_dev = FD_DEV(dev);
- if (fd_dev->fd_file) {
- filp_close(fd_dev->fd_file, NULL);
- fd_dev->fd_file = NULL;
- }
-
kfree(fd_dev);
}
-static int fd_do_prot_rw(struct se_cmd *cmd, struct fd_prot *fd_prot,
- int is_write)
+static void fd_free_device(struct se_device *dev)
{
- struct se_device *se_dev = cmd->se_dev;
- struct fd_dev *dev = FD_DEV(se_dev);
- struct file *prot_fd = dev->fd_prot_file;
- loff_t pos = (cmd->t_task_lba * se_dev->prot_length);
- unsigned char *buf;
- u32 prot_size;
- int rc, ret = 1;
-
- prot_size = (cmd->data_length / se_dev->dev_attrib.block_size) *
- se_dev->prot_length;
-
- if (!is_write) {
- fd_prot->prot_buf = kzalloc(prot_size, GFP_KERNEL);
- if (!fd_prot->prot_buf) {
- pr_err("Unable to allocate fd_prot->prot_buf\n");
- return -ENOMEM;
- }
- buf = fd_prot->prot_buf;
-
- fd_prot->prot_sg_nents = 1;
- fd_prot->prot_sg = kzalloc(sizeof(struct scatterlist),
- GFP_KERNEL);
- if (!fd_prot->prot_sg) {
- pr_err("Unable to allocate fd_prot->prot_sg\n");
- kfree(fd_prot->prot_buf);
- return -ENOMEM;
- }
- sg_init_table(fd_prot->prot_sg, fd_prot->prot_sg_nents);
- sg_set_buf(fd_prot->prot_sg, buf, prot_size);
- }
-
- if (is_write) {
- rc = kernel_write(prot_fd, fd_prot->prot_buf, prot_size, pos);
- if (rc < 0 || prot_size != rc) {
- pr_err("kernel_write() for fd_do_prot_rw failed:"
- " %d\n", rc);
- ret = -EINVAL;
- }
- } else {
- rc = kernel_read(prot_fd, pos, fd_prot->prot_buf, prot_size);
- if (rc < 0) {
- pr_err("kernel_read() for fd_do_prot_rw failed:"
- " %d\n", rc);
- ret = -EINVAL;
- }
- }
+ struct fd_dev *fd_dev = FD_DEV(dev);
- if (is_write || ret < 0) {
- kfree(fd_prot->prot_sg);
- kfree(fd_prot->prot_buf);
+ if (fd_dev->fd_file) {
+ filp_close(fd_dev->fd_file, NULL);
+ fd_dev->fd_file = NULL;
}
-
- return ret;
+ call_rcu(&dev->rcu_head, fd_dev_call_rcu);
}
-static int fd_do_rw(struct se_cmd *cmd, struct scatterlist *sgl,
- u32 sgl_nents, int is_write)
+static int fd_do_rw(struct se_cmd *cmd, struct file *fd,
+ u32 block_size, struct scatterlist *sgl,
+ u32 sgl_nents, u32 data_length, int is_write)
{
- struct se_device *se_dev = cmd->se_dev;
- struct fd_dev *dev = FD_DEV(se_dev);
- struct file *fd = dev->fd_file;
struct scatterlist *sg;
struct iov_iter iter;
struct bio_vec *bvec;
ssize_t len = 0;
- loff_t pos = (cmd->t_task_lba * se_dev->dev_attrib.block_size);
+ loff_t pos = (cmd->t_task_lba * block_size);
int ret = 0, i;
bvec = kcalloc(sgl_nents, sizeof(struct bio_vec), GFP_KERNEL);
@@ -352,7 +294,7 @@ static int fd_do_rw(struct se_cmd *cmd, struct scatterlist *sgl,
kfree(bvec);
if (is_write) {
- if (ret < 0 || ret != cmd->data_length) {
+ if (ret < 0 || ret != data_length) {
pr_err("%s() write returned %d\n", __func__, ret);
return (ret < 0 ? ret : -EINVAL);
}
@@ -363,10 +305,10 @@ static int fd_do_rw(struct se_cmd *cmd, struct scatterlist *sgl,
* block_device.
*/
if (S_ISBLK(file_inode(fd)->i_mode)) {
- if (ret < 0 || ret != cmd->data_length) {
+ if (ret < 0 || ret != data_length) {
pr_err("%s() returned %d, expecting %u for "
"S_ISBLK\n", __func__, ret,
- cmd->data_length);
+ data_length);
return (ret < 0 ? ret : -EINVAL);
}
} else {
@@ -533,9 +475,9 @@ fd_do_prot_unmap(struct se_cmd *cmd, sector_t lba, sector_t nolb)
}
static sense_reason_t
-fd_do_unmap(struct se_cmd *cmd, void *priv, sector_t lba, sector_t nolb)
+fd_execute_unmap(struct se_cmd *cmd, sector_t lba, sector_t nolb)
{
- struct file *file = priv;
+ struct file *file = FD_DEV(cmd->se_dev)->fd_file;
struct inode *inode = file->f_mapping->host;
int ret;
@@ -576,43 +518,14 @@ fd_do_unmap(struct se_cmd *cmd, void *priv, sector_t lba, sector_t nolb)
return 0;
}
-static sense_reason_t
-fd_execute_write_same_unmap(struct se_cmd *cmd)
-{
- struct se_device *se_dev = cmd->se_dev;
- struct fd_dev *fd_dev = FD_DEV(se_dev);
- struct file *file = fd_dev->fd_file;
- sector_t lba = cmd->t_task_lba;
- sector_t nolb = sbc_get_write_same_sectors(cmd);
- sense_reason_t ret;
-
- if (!nolb) {
- target_complete_cmd(cmd, SAM_STAT_GOOD);
- return 0;
- }
-
- ret = fd_do_unmap(cmd, file, lba, nolb);
- if (ret)
- return ret;
-
- target_complete_cmd(cmd, GOOD);
- return 0;
-}
-
-static sense_reason_t
-fd_execute_unmap(struct se_cmd *cmd)
-{
- struct file *file = FD_DEV(cmd->se_dev)->fd_file;
-
- return sbc_execute_unmap(cmd, fd_do_unmap, file);
-}
-
static sense_reason_t
fd_execute_rw(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents,
enum dma_data_direction data_direction)
{
struct se_device *dev = cmd->se_dev;
- struct fd_prot fd_prot;
+ struct fd_dev *fd_dev = FD_DEV(dev);
+ struct file *file = fd_dev->fd_file;
+ struct file *pfile = fd_dev->fd_prot_file;
sense_reason_t rc;
int ret = 0;
/*
@@ -630,58 +543,45 @@ fd_execute_rw(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents,
* physical memory addresses to struct iovec virtual memory.
*/
if (data_direction == DMA_FROM_DEVICE) {
- memset(&fd_prot, 0, sizeof(struct fd_prot));
-
if (cmd->prot_type && dev->dev_attrib.pi_prot_type) {
- ret = fd_do_prot_rw(cmd, &fd_prot, false);
+ ret = fd_do_rw(cmd, pfile, dev->prot_length,
+ cmd->t_prot_sg, cmd->t_prot_nents,
+ cmd->prot_length, 0);
if (ret < 0)
return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
}
- ret = fd_do_rw(cmd, sgl, sgl_nents, 0);
+ ret = fd_do_rw(cmd, file, dev->dev_attrib.block_size,
+ sgl, sgl_nents, cmd->data_length, 0);
if (ret > 0 && cmd->prot_type && dev->dev_attrib.pi_prot_type) {
- u32 sectors = cmd->data_length / dev->dev_attrib.block_size;
+ u32 sectors = cmd->data_length >>
+ ilog2(dev->dev_attrib.block_size);
- rc = sbc_dif_verify_read(cmd, cmd->t_task_lba, sectors,
- 0, fd_prot.prot_sg, 0);
- if (rc) {
- kfree(fd_prot.prot_sg);
- kfree(fd_prot.prot_buf);
+ rc = sbc_dif_verify(cmd, cmd->t_task_lba, sectors,
+ 0, cmd->t_prot_sg, 0);
+ if (rc)
return rc;
- }
- kfree(fd_prot.prot_sg);
- kfree(fd_prot.prot_buf);
}
} else {
- memset(&fd_prot, 0, sizeof(struct fd_prot));
-
if (cmd->prot_type && dev->dev_attrib.pi_prot_type) {
- u32 sectors = cmd->data_length / dev->dev_attrib.block_size;
+ u32 sectors = cmd->data_length >>
+ ilog2(dev->dev_attrib.block_size);
- ret = fd_do_prot_rw(cmd, &fd_prot, false);
- if (ret < 0)
- return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
-
- rc = sbc_dif_verify_write(cmd, cmd->t_task_lba, sectors,
- 0, fd_prot.prot_sg, 0);
- if (rc) {
- kfree(fd_prot.prot_sg);
- kfree(fd_prot.prot_buf);
+ rc = sbc_dif_verify(cmd, cmd->t_task_lba, sectors,
+ 0, cmd->t_prot_sg, 0);
+ if (rc)
return rc;
- }
}
- ret = fd_do_rw(cmd, sgl, sgl_nents, 1);
+ ret = fd_do_rw(cmd, file, dev->dev_attrib.block_size,
+ sgl, sgl_nents, cmd->data_length, 1);
/*
* Perform implicit vfs_fsync_range() for fd_do_writev() ops
* for SCSI WRITEs with Forced Unit Access (FUA) set.
* Allow this to happen independent of WCE=0 setting.
*/
- if (ret > 0 &&
- dev->dev_attrib.emulate_fua_write > 0 &&
- (cmd->se_cmd_flags & SCF_FUA)) {
- struct fd_dev *fd_dev = FD_DEV(dev);
+ if (ret > 0 && (cmd->se_cmd_flags & SCF_FUA)) {
loff_t start = cmd->t_task_lba *
dev->dev_attrib.block_size;
loff_t end;
@@ -695,17 +595,16 @@ fd_execute_rw(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents,
}
if (ret > 0 && cmd->prot_type && dev->dev_attrib.pi_prot_type) {
- ret = fd_do_prot_rw(cmd, &fd_prot, true);
+ ret = fd_do_rw(cmd, pfile, dev->prot_length,
+ cmd->t_prot_sg, cmd->t_prot_nents,
+ cmd->prot_length, 1);
if (ret < 0)
return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
}
}
- if (ret < 0) {
- kfree(fd_prot.prot_sg);
- kfree(fd_prot.prot_buf);
+ if (ret < 0)
return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
- }
if (ret)
target_complete_cmd(cmd, SAM_STAT_GOOD);
@@ -908,7 +807,6 @@ static struct sbc_ops fd_sbc_ops = {
.execute_rw = fd_execute_rw,
.execute_sync_cache = fd_execute_sync_cache,
.execute_write_same = fd_execute_write_same,
- .execute_write_same_unmap = fd_execute_write_same_unmap,
.execute_unmap = fd_execute_unmap,
};
@@ -918,42 +816,7 @@ fd_parse_cdb(struct se_cmd *cmd)
return sbc_parse_cdb(cmd, &fd_sbc_ops);
}
-DEF_TB_DEFAULT_ATTRIBS(fileio);
-
-static struct configfs_attribute *fileio_backend_dev_attrs[] = {
- &fileio_dev_attrib_emulate_model_alias.attr,
- &fileio_dev_attrib_emulate_dpo.attr,
- &fileio_dev_attrib_emulate_fua_write.attr,
- &fileio_dev_attrib_emulate_fua_read.attr,
- &fileio_dev_attrib_emulate_write_cache.attr,
- &fileio_dev_attrib_emulate_ua_intlck_ctrl.attr,
- &fileio_dev_attrib_emulate_tas.attr,
- &fileio_dev_attrib_emulate_tpu.attr,
- &fileio_dev_attrib_emulate_tpws.attr,
- &fileio_dev_attrib_emulate_caw.attr,
- &fileio_dev_attrib_emulate_3pc.attr,
- &fileio_dev_attrib_pi_prot_type.attr,
- &fileio_dev_attrib_hw_pi_prot_type.attr,
- &fileio_dev_attrib_pi_prot_format.attr,
- &fileio_dev_attrib_enforce_pr_isids.attr,
- &fileio_dev_attrib_is_nonrot.attr,
- &fileio_dev_attrib_emulate_rest_reord.attr,
- &fileio_dev_attrib_force_pr_aptpl.attr,
- &fileio_dev_attrib_hw_block_size.attr,
- &fileio_dev_attrib_block_size.attr,
- &fileio_dev_attrib_hw_max_sectors.attr,
- &fileio_dev_attrib_optimal_sectors.attr,
- &fileio_dev_attrib_hw_queue_depth.attr,
- &fileio_dev_attrib_queue_depth.attr,
- &fileio_dev_attrib_max_unmap_lba_count.attr,
- &fileio_dev_attrib_max_unmap_block_desc_count.attr,
- &fileio_dev_attrib_unmap_granularity.attr,
- &fileio_dev_attrib_unmap_granularity_alignment.attr,
- &fileio_dev_attrib_max_write_same_len.attr,
- NULL,
-};
-
-static struct se_subsystem_api fileio_template = {
+static const struct target_backend_ops fileio_ops = {
.name = "fileio",
.inquiry_prod = "FILEIO",
.inquiry_rev = FD_VERSION,
@@ -971,21 +834,17 @@ static struct se_subsystem_api fileio_template = {
.init_prot = fd_init_prot,
.format_prot = fd_format_prot,
.free_prot = fd_free_prot,
+ .tb_dev_attrib_attrs = sbc_attrib_attrs,
};
static int __init fileio_module_init(void)
{
- struct target_backend_cits *tbc = &fileio_template.tb_cits;
-
- target_core_setup_sub_cits(&fileio_template);
- tbc->tb_dev_attrib_cit.ct_attrs = fileio_backend_dev_attrs;
-
- return transport_subsystem_register(&fileio_template);
+ return transport_backend_register(&fileio_ops);
}
static void __exit fileio_module_exit(void)
{
- transport_subsystem_release(&fileio_template);
+ target_backend_unregister(&fileio_ops);
}
MODULE_DESCRIPTION("TCM FILEIO subsystem plugin");
diff --git a/drivers/target/target_core_file.h b/drivers/target/target_core_file.h
index 182cbb2950395efa43630364ba3d3f78aca3f925..068966fce3089527fb7f14dd7bd3aa0fafdd1041 100644
--- a/drivers/target/target_core_file.h
+++ b/drivers/target/target_core_file.h
@@ -21,12 +21,6 @@
#define FDBD_HAS_BUFFERED_IO_WCE 0x04
#define FDBD_FORMAT_UNIT_SIZE 2048
-struct fd_prot {
- unsigned char *prot_buf;
- struct scatterlist *prot_sg;
- u32 prot_sg_nents;
-};
-
struct fd_dev {
struct se_device dev;
diff --git a/drivers/target/target_core_hba.c b/drivers/target/target_core_hba.c
index ff95f95dcd13d571a59c70b7f6a7b1c6d0a6120d..62ea4e8e70a8935398f2a0e86fc44627dfa3368e 100644
--- a/drivers/target/target_core_hba.c
+++ b/drivers/target/target_core_hba.c
@@ -36,67 +36,78 @@
#include <target/target_core_base.h>
#include <target/target_core_backend.h>
#include <target/target_core_fabric.h>
-#include <target/target_core_configfs.h>
#include "target_core_internal.h"
-static LIST_HEAD(subsystem_list);
-static DEFINE_MUTEX(subsystem_mutex);
+static LIST_HEAD(backend_list);
+static DEFINE_MUTEX(backend_mutex);
static u32 hba_id_counter;
static DEFINE_SPINLOCK(hba_lock);
static LIST_HEAD(hba_list);
-int transport_subsystem_register(struct se_subsystem_api *sub_api)
-{
- struct se_subsystem_api *s;
-
- INIT_LIST_HEAD(&sub_api->sub_api_list);
- mutex_lock(&subsystem_mutex);
- list_for_each_entry(s, &subsystem_list, sub_api_list) {
- if (!strcmp(s->name, sub_api->name)) {
- pr_err("%p is already registered with"
- " duplicate name %s, unable to process"
- " request\n", s, s->name);
- mutex_unlock(&subsystem_mutex);
+int transport_backend_register(const struct target_backend_ops *ops)
+{
+ struct target_backend *tb, *old;
+
+ tb = kzalloc(sizeof(*tb), GFP_KERNEL);
+ if (!tb)
+ return -ENOMEM;
+ tb->ops = ops;
+
+ mutex_lock(&backend_mutex);
+ list_for_each_entry(old, &backend_list, list) {
+ if (!strcmp(old->ops->name, ops->name)) {
+ pr_err("backend %s already registered.\n", ops->name);
+ mutex_unlock(&backend_mutex);
+ kfree(tb);
return -EEXIST;
}
}
- list_add_tail(&sub_api->sub_api_list, &subsystem_list);
- mutex_unlock(&subsystem_mutex);
+ target_setup_backend_cits(tb);
+ list_add_tail(&tb->list, &backend_list);
+ mutex_unlock(&backend_mutex);
- pr_debug("TCM: Registered subsystem plugin: %s struct module:"
- " %p\n", sub_api->name, sub_api->owner);
+ pr_debug("TCM: Registered subsystem plugin: %s struct module: %p\n",
+ ops->name, ops->owner);
return 0;
}
-EXPORT_SYMBOL(transport_subsystem_register);
+EXPORT_SYMBOL(transport_backend_register);
-void transport_subsystem_release(struct se_subsystem_api *sub_api)
+void target_backend_unregister(const struct target_backend_ops *ops)
{
- mutex_lock(&subsystem_mutex);
- list_del(&sub_api->sub_api_list);
- mutex_unlock(&subsystem_mutex);
+ struct target_backend *tb;
+
+ mutex_lock(&backend_mutex);
+ list_for_each_entry(tb, &backend_list, list) {
+ if (tb->ops == ops) {
+ list_del(&tb->list);
+ kfree(tb);
+ break;
+ }
+ }
+ mutex_unlock(&backend_mutex);
}
-EXPORT_SYMBOL(transport_subsystem_release);
+EXPORT_SYMBOL(target_backend_unregister);
-static struct se_subsystem_api *core_get_backend(const char *sub_name)
+static struct target_backend *core_get_backend(const char *name)
{
- struct se_subsystem_api *s;
+ struct target_backend *tb;
- mutex_lock(&subsystem_mutex);
- list_for_each_entry(s, &subsystem_list, sub_api_list) {
- if (!strcmp(s->name, sub_name))
+ mutex_lock(&backend_mutex);
+ list_for_each_entry(tb, &backend_list, list) {
+ if (!strcmp(tb->ops->name, name))
goto found;
}
- mutex_unlock(&subsystem_mutex);
+ mutex_unlock(&backend_mutex);
return NULL;
found:
- if (s->owner && !try_module_get(s->owner))
- s = NULL;
- mutex_unlock(&subsystem_mutex);
- return s;
+ if (tb->ops->owner && !try_module_get(tb->ops->owner))
+ tb = NULL;
+ mutex_unlock(&backend_mutex);
+ return tb;
}
struct se_hba *
@@ -117,13 +128,13 @@ core_alloc_hba(const char *plugin_name, u32 plugin_dep_id, u32 hba_flags)
hba->hba_index = scsi_get_new_index(SCSI_INST_INDEX);
hba->hba_flags |= hba_flags;
- hba->transport = core_get_backend(plugin_name);
- if (!hba->transport) {
+ hba->backend = core_get_backend(plugin_name);
+ if (!hba->backend) {
ret = -EINVAL;
goto out_free_hba;
}
- ret = hba->transport->attach_hba(hba, plugin_dep_id);
+ ret = hba->backend->ops->attach_hba(hba, plugin_dep_id);
if (ret < 0)
goto out_module_put;
@@ -138,8 +149,8 @@ core_alloc_hba(const char *plugin_name, u32 plugin_dep_id, u32 hba_flags)
return hba;
out_module_put:
- module_put(hba->transport->owner);
- hba->transport = NULL;
+ module_put(hba->backend->ops->owner);
+ hba->backend = NULL;
out_free_hba:
kfree(hba);
return ERR_PTR(ret);
@@ -150,7 +161,7 @@ core_delete_hba(struct se_hba *hba)
{
WARN_ON(hba->dev_count);
- hba->transport->detach_hba(hba);
+ hba->backend->ops->detach_hba(hba);
spin_lock(&hba_lock);
list_del(&hba->hba_node);
@@ -159,9 +170,9 @@ core_delete_hba(struct se_hba *hba)
pr_debug("CORE_HBA[%d] - Detached HBA from Generic Target"
" Core\n", hba->hba_id);
- module_put(hba->transport->owner);
+ module_put(hba->backend->ops->owner);
- hba->transport = NULL;
+ hba->backend = NULL;
kfree(hba);
return 0;
}
diff --git a/drivers/target/target_core_iblock.c b/drivers/target/target_core_iblock.c
index 972ed1781ae2f0ad08c5671d7f8cc535cf12cde9..6d88d24e6cce97ab3cca4078d3fb41a2ae0c0220 100644
--- a/drivers/target/target_core_iblock.c
+++ b/drivers/target/target_core_iblock.c
@@ -40,7 +40,6 @@
#include <target/target_core_base.h>
#include <target/target_core_backend.h>
-#include <target/target_core_backend_configfs.h>
#include "target_core_iblock.h"
@@ -53,17 +52,11 @@ static inline struct iblock_dev *IBLOCK_DEV(struct se_device *dev)
}
-static struct se_subsystem_api iblock_template;
-
-/* iblock_attach_hba(): (Part of se_subsystem_api_t template)
- *
- *
- */
static int iblock_attach_hba(struct se_hba *hba, u32 host_id)
{
pr_debug("CORE_HBA[%d] - TCM iBlock HBA Driver %s on"
" Generic Target Core Stack %s\n", hba->hba_id,
- IBLOCK_VERSION, TARGET_CORE_MOD_VERSION);
+ IBLOCK_VERSION, TARGET_CORE_VERSION);
return 0;
}
@@ -197,6 +190,14 @@ static int iblock_configure_device(struct se_device *dev)
return ret;
}
+static void iblock_dev_call_rcu(struct rcu_head *p)
+{
+ struct se_device *dev = container_of(p, struct se_device, rcu_head);
+ struct iblock_dev *ib_dev = IBLOCK_DEV(dev);
+
+ kfree(ib_dev);
+}
+
static void iblock_free_device(struct se_device *dev)
{
struct iblock_dev *ib_dev = IBLOCK_DEV(dev);
@@ -206,7 +207,7 @@ static void iblock_free_device(struct se_device *dev)
if (ib_dev->ibd_bio_set != NULL)
bioset_free(ib_dev->ibd_bio_set);
- kfree(ib_dev);
+ call_rcu(&dev->rcu_head, iblock_dev_call_rcu);
}
static unsigned long long iblock_emulate_read_cap_with_block_size(
@@ -414,10 +415,9 @@ iblock_execute_sync_cache(struct se_cmd *cmd)
}
static sense_reason_t
-iblock_do_unmap(struct se_cmd *cmd, void *priv,
- sector_t lba, sector_t nolb)
+iblock_execute_unmap(struct se_cmd *cmd, sector_t lba, sector_t nolb)
{
- struct block_device *bdev = priv;
+ struct block_device *bdev = IBLOCK_DEV(cmd->se_dev)->ibd_bd;
int ret;
ret = blkdev_issue_discard(bdev, lba, nolb, GFP_KERNEL, 0);
@@ -429,30 +429,6 @@ iblock_do_unmap(struct se_cmd *cmd, void *priv,
return 0;
}
-static sense_reason_t
-iblock_execute_unmap(struct se_cmd *cmd)
-{
- struct block_device *bdev = IBLOCK_DEV(cmd->se_dev)->ibd_bd;
-
- return sbc_execute_unmap(cmd, iblock_do_unmap, bdev);
-}
-
-static sense_reason_t
-iblock_execute_write_same_unmap(struct se_cmd *cmd)
-{
- struct block_device *bdev = IBLOCK_DEV(cmd->se_dev)->ibd_bd;
- sector_t lba = cmd->t_task_lba;
- sector_t nolb = sbc_get_write_same_sectors(cmd);
- sense_reason_t ret;
-
- ret = iblock_do_unmap(cmd, bdev, lba, nolb);
- if (ret)
- return ret;
-
- target_complete_cmd(cmd, GOOD);
- return 0;
-}
-
static sense_reason_t
iblock_execute_write_same(struct se_cmd *cmd)
{
@@ -844,7 +820,6 @@ static struct sbc_ops iblock_sbc_ops = {
.execute_rw = iblock_execute_rw,
.execute_sync_cache = iblock_execute_sync_cache,
.execute_write_same = iblock_execute_write_same,
- .execute_write_same_unmap = iblock_execute_write_same_unmap,
.execute_unmap = iblock_execute_unmap,
};
@@ -863,42 +838,7 @@ static bool iblock_get_write_cache(struct se_device *dev)
return q->flush_flags & REQ_FLUSH;
}
-DEF_TB_DEFAULT_ATTRIBS(iblock);
-
-static struct configfs_attribute *iblock_backend_dev_attrs[] = {
- &iblock_dev_attrib_emulate_model_alias.attr,
- &iblock_dev_attrib_emulate_dpo.attr,
- &iblock_dev_attrib_emulate_fua_write.attr,
- &iblock_dev_attrib_emulate_fua_read.attr,
- &iblock_dev_attrib_emulate_write_cache.attr,
- &iblock_dev_attrib_emulate_ua_intlck_ctrl.attr,
- &iblock_dev_attrib_emulate_tas.attr,
- &iblock_dev_attrib_emulate_tpu.attr,
- &iblock_dev_attrib_emulate_tpws.attr,
- &iblock_dev_attrib_emulate_caw.attr,
- &iblock_dev_attrib_emulate_3pc.attr,
- &iblock_dev_attrib_pi_prot_type.attr,
- &iblock_dev_attrib_hw_pi_prot_type.attr,
- &iblock_dev_attrib_pi_prot_format.attr,
- &iblock_dev_attrib_enforce_pr_isids.attr,
- &iblock_dev_attrib_is_nonrot.attr,
- &iblock_dev_attrib_emulate_rest_reord.attr,
- &iblock_dev_attrib_force_pr_aptpl.attr,
- &iblock_dev_attrib_hw_block_size.attr,
- &iblock_dev_attrib_block_size.attr,
- &iblock_dev_attrib_hw_max_sectors.attr,
- &iblock_dev_attrib_optimal_sectors.attr,
- &iblock_dev_attrib_hw_queue_depth.attr,
- &iblock_dev_attrib_queue_depth.attr,
- &iblock_dev_attrib_max_unmap_lba_count.attr,
- &iblock_dev_attrib_max_unmap_block_desc_count.attr,
- &iblock_dev_attrib_unmap_granularity.attr,
- &iblock_dev_attrib_unmap_granularity_alignment.attr,
- &iblock_dev_attrib_max_write_same_len.attr,
- NULL,
-};
-
-static struct se_subsystem_api iblock_template = {
+static const struct target_backend_ops iblock_ops = {
.name = "iblock",
.inquiry_prod = "IBLOCK",
.inquiry_rev = IBLOCK_VERSION,
@@ -918,21 +858,17 @@ static struct se_subsystem_api iblock_template = {
.get_io_min = iblock_get_io_min,
.get_io_opt = iblock_get_io_opt,
.get_write_cache = iblock_get_write_cache,
+ .tb_dev_attrib_attrs = sbc_attrib_attrs,
};
static int __init iblock_module_init(void)
{
- struct target_backend_cits *tbc = &iblock_template.tb_cits;
-
- target_core_setup_sub_cits(&iblock_template);
- tbc->tb_dev_attrib_cit.ct_attrs = iblock_backend_dev_attrs;
-
- return transport_subsystem_register(&iblock_template);
+ return transport_backend_register(&iblock_ops);
}
static void __exit iblock_module_exit(void)
{
- transport_subsystem_release(&iblock_template);
+ target_backend_unregister(&iblock_ops);
}
MODULE_DESCRIPTION("TCM IBLOCK subsystem plugin");
diff --git a/drivers/target/target_core_internal.h b/drivers/target/target_core_internal.h
index 68bd7f5d9f73cf6feacd2dfefb951db99dd21c4f..99c24acfe6761797fc9788f4f233d1c8c94a0e1d 100644
--- a/drivers/target/target_core_internal.h
+++ b/drivers/target/target_core_internal.h
@@ -1,6 +1,53 @@
#ifndef TARGET_CORE_INTERNAL_H
#define TARGET_CORE_INTERNAL_H
+#define TARGET_CORE_NAME_MAX_LEN 64
+#define TARGET_FABRIC_NAME_SIZE 32
+
+struct target_backend {
+ struct list_head list;
+
+ const struct target_backend_ops *ops;
+
+ struct config_item_type tb_dev_cit;
+ struct config_item_type tb_dev_attrib_cit;
+ struct config_item_type tb_dev_pr_cit;
+ struct config_item_type tb_dev_wwn_cit;
+ struct config_item_type tb_dev_alua_tg_pt_gps_cit;
+ struct config_item_type tb_dev_stat_cit;
+};
+
+struct target_fabric_configfs {
+ atomic_t tf_access_cnt;
+ struct list_head tf_list;
+ struct config_group tf_group;
+ struct config_group tf_disc_group;
+ struct config_group *tf_default_groups[2];
+ const struct target_core_fabric_ops *tf_ops;
+
+ struct config_item_type tf_discovery_cit;
+ struct config_item_type tf_wwn_cit;
+ struct config_item_type tf_wwn_fabric_stats_cit;
+ struct config_item_type tf_tpg_cit;
+ struct config_item_type tf_tpg_base_cit;
+ struct config_item_type tf_tpg_lun_cit;
+ struct config_item_type tf_tpg_port_cit;
+ struct config_item_type tf_tpg_port_stat_cit;
+ struct config_item_type tf_tpg_np_cit;
+ struct config_item_type tf_tpg_np_base_cit;
+ struct config_item_type tf_tpg_attrib_cit;
+ struct config_item_type tf_tpg_auth_cit;
+ struct config_item_type tf_tpg_param_cit;
+ struct config_item_type tf_tpg_nacl_cit;
+ struct config_item_type tf_tpg_nacl_base_cit;
+ struct config_item_type tf_tpg_nacl_attrib_cit;
+ struct config_item_type tf_tpg_nacl_auth_cit;
+ struct config_item_type tf_tpg_nacl_param_cit;
+ struct config_item_type tf_tpg_nacl_stat_cit;
+ struct config_item_type tf_tpg_mappedlun_cit;
+ struct config_item_type tf_tpg_mappedlun_stat_cit;
+};
+
/* target_core_alua.c */
extern struct t10_alua_lu_gp *default_lu_gp;
@@ -8,28 +55,27 @@ extern struct t10_alua_lu_gp *default_lu_gp;
extern struct mutex g_device_mutex;
extern struct list_head g_device_list;
+int core_alloc_rtpi(struct se_lun *lun, struct se_device *dev);
struct se_dev_entry *core_get_se_deve_from_rtpi(struct se_node_acl *, u16);
-int core_free_device_list_for_node(struct se_node_acl *,
+void target_pr_kref_release(struct kref *);
+void core_free_device_list_for_node(struct se_node_acl *,
struct se_portal_group *);
-void core_update_device_list_access(u32, u32, struct se_node_acl *);
+void core_update_device_list_access(u64, u32, struct se_node_acl *);
+struct se_dev_entry *target_nacl_find_deve(struct se_node_acl *, u64);
int core_enable_device_list_for_node(struct se_lun *, struct se_lun_acl *,
- u32, u32, struct se_node_acl *, struct se_portal_group *);
-int core_disable_device_list_for_node(struct se_lun *, struct se_lun_acl *,
- u32, u32, struct se_node_acl *, struct se_portal_group *);
+ u64, u32, struct se_node_acl *, struct se_portal_group *);
+void core_disable_device_list_for_node(struct se_lun *, struct se_dev_entry *,
+ struct se_node_acl *, struct se_portal_group *);
void core_clear_lun_from_tpg(struct se_lun *, struct se_portal_group *);
-int core_dev_export(struct se_device *, struct se_portal_group *,
- struct se_lun *);
-void core_dev_unexport(struct se_device *, struct se_portal_group *,
- struct se_lun *);
-struct se_lun *core_dev_add_lun(struct se_portal_group *, struct se_device *, u32);
+int core_dev_add_lun(struct se_portal_group *, struct se_device *,
+ struct se_lun *lun);
void core_dev_del_lun(struct se_portal_group *, struct se_lun *);
-struct se_lun *core_get_lun_from_tpg(struct se_portal_group *, u32);
struct se_lun_acl *core_dev_init_initiator_node_lun_acl(struct se_portal_group *,
- struct se_node_acl *, u32, int *);
+ struct se_node_acl *, u64, int *);
int core_dev_add_initiator_node_lun_acl(struct se_portal_group *,
- struct se_lun_acl *, u32, u32);
-int core_dev_del_initiator_node_lun_acl(struct se_portal_group *,
- struct se_lun *, struct se_lun_acl *);
+ struct se_lun_acl *, struct se_lun *lun, u32);
+int core_dev_del_initiator_node_lun_acl(struct se_lun *,
+ struct se_lun_acl *);
void core_dev_free_initiator_node_lun_acl(struct se_portal_group *,
struct se_lun_acl *lacl);
int core_dev_setup_virtual_lun0(void);
@@ -38,6 +84,18 @@ struct se_device *target_alloc_device(struct se_hba *hba, const char *name);
int target_configure_device(struct se_device *dev);
void target_free_device(struct se_device *);
+/* target_core_configfs.c */
+void target_setup_backend_cits(struct target_backend *);
+
+/* target_core_fabric_lib.c */
+int target_get_pr_transport_id_len(struct se_node_acl *nacl,
+ struct t10_pr_registration *pr_reg, int *format_code);
+int target_get_pr_transport_id(struct se_node_acl *nacl,
+ struct t10_pr_registration *pr_reg, int *format_code,
+ unsigned char *buf);
+const char *target_parse_pr_out_transport_id(struct se_portal_group *tpg,
+ const char *buf, u32 *out_tid_len, char **port_nexus_ptr);
+
/* target_core_hba.c */
struct se_hba *core_alloc_hba(const char *, u32, u32);
int core_delete_hba(struct se_hba *);
@@ -53,12 +111,16 @@ extern struct se_device *g_lun0_dev;
struct se_node_acl *__core_tpg_get_initiator_node_acl(struct se_portal_group *tpg,
const char *);
-void core_tpg_add_node_to_devs(struct se_node_acl *, struct se_portal_group *);
+void core_tpg_add_node_to_devs(struct se_node_acl *, struct se_portal_group *,
+ struct se_lun *);
void core_tpg_wait_for_nacl_pr_ref(struct se_node_acl *);
-struct se_lun *core_tpg_alloc_lun(struct se_portal_group *, u32);
+struct se_lun *core_tpg_alloc_lun(struct se_portal_group *, u64);
int core_tpg_add_lun(struct se_portal_group *, struct se_lun *,
u32, struct se_device *);
void core_tpg_remove_lun(struct se_portal_group *, struct se_lun *);
+struct se_node_acl *core_tpg_add_initiator_node_acl(struct se_portal_group *tpg,
+ const char *initiatorname);
+void core_tpg_del_initiator_node_acl(struct se_node_acl *acl);
/* target_core_transport.c */
extern struct kmem_cache *se_tmr_req_cache;
@@ -77,14 +139,19 @@ int transport_dump_vpd_assoc(struct t10_vpd *, unsigned char *, int);
int transport_dump_vpd_ident_type(struct t10_vpd *, unsigned char *, int);
int transport_dump_vpd_ident(struct t10_vpd *, unsigned char *, int);
bool target_stop_cmd(struct se_cmd *cmd, unsigned long *flags);
-int transport_clear_lun_ref(struct se_lun *);
+void transport_clear_lun_ref(struct se_lun *);
void transport_send_task_abort(struct se_cmd *);
sense_reason_t target_cmd_size_check(struct se_cmd *cmd, unsigned int size);
void target_qf_do_work(struct work_struct *work);
+bool target_check_wce(struct se_device *dev);
+bool target_check_fua(struct se_device *dev);
/* target_core_stat.c */
void target_stat_setup_dev_default_groups(struct se_device *);
void target_stat_setup_port_default_groups(struct se_lun *);
void target_stat_setup_mappedlun_default_groups(struct se_lun_acl *);
+/* target_core_xcopy.c */
+extern struct se_portal_group xcopy_pt_tpg;
+
#endif /* TARGET_CORE_INTERNAL_H */
diff --git a/drivers/target/target_core_pr.c b/drivers/target/target_core_pr.c
index 8e5fa291f87803ac9bccd92e3ea006112426b086..0fdbe43b7dad99479f7288584a0d95815c4dab72 100644
--- a/drivers/target/target_core_pr.c
+++ b/drivers/target/target_core_pr.c
@@ -35,7 +35,6 @@
#include <target/target_core_base.h>
#include <target/target_core_backend.h>
#include <target/target_core_fabric.h>
-#include <target/target_core_configfs.h>
#include "target_core_internal.h"
#include "target_core_pr.h"
@@ -45,7 +44,6 @@
* Used for Specify Initiator Ports Capable Bit (SPEC_I_PT)
*/
struct pr_transport_id_holder {
- int dest_local_nexus;
struct t10_pr_registration *dest_pr_reg;
struct se_portal_group *dest_tpg;
struct se_node_acl *dest_node_acl;
@@ -231,9 +229,10 @@ target_scsi2_reservation_release(struct se_cmd *cmd)
dev->dev_reservation_flags &= ~DRF_SPC2_RESERVATIONS_WITH_ISID;
}
tpg = sess->se_tpg;
- pr_debug("SCSI-2 Released reservation for %s LUN: %u ->"
- " MAPPED LUN: %u for %s\n", tpg->se_tpg_tfo->get_fabric_name(),
- cmd->se_lun->unpacked_lun, cmd->se_deve->mapped_lun,
+ pr_debug("SCSI-2 Released reservation for %s LUN: %llu ->"
+ " MAPPED LUN: %llu for %s\n",
+ tpg->se_tpg_tfo->get_fabric_name(),
+ cmd->se_lun->unpacked_lun, cmd->orig_fe_lun,
sess->se_node_acl->initiatorname);
out_unlock:
@@ -277,12 +276,12 @@ target_scsi2_reservation_reserve(struct se_cmd *cmd)
(dev->dev_reserved_node_acl != sess->se_node_acl)) {
pr_err("SCSI-2 RESERVATION CONFLIFT for %s fabric\n",
tpg->se_tpg_tfo->get_fabric_name());
- pr_err("Original reserver LUN: %u %s\n",
+ pr_err("Original reserver LUN: %llu %s\n",
cmd->se_lun->unpacked_lun,
dev->dev_reserved_node_acl->initiatorname);
- pr_err("Current attempt - LUN: %u -> MAPPED LUN: %u"
+ pr_err("Current attempt - LUN: %llu -> MAPPED LUN: %llu"
" from %s \n", cmd->se_lun->unpacked_lun,
- cmd->se_deve->mapped_lun,
+ cmd->orig_fe_lun,
sess->se_node_acl->initiatorname);
ret = TCM_RESERVATION_CONFLICT;
goto out_unlock;
@@ -294,9 +293,9 @@ target_scsi2_reservation_reserve(struct se_cmd *cmd)
dev->dev_res_bin_isid = sess->sess_bin_isid;
dev->dev_reservation_flags |= DRF_SPC2_RESERVATIONS_WITH_ISID;
}
- pr_debug("SCSI-2 Reserved %s LUN: %u -> MAPPED LUN: %u"
+ pr_debug("SCSI-2 Reserved %s LUN: %llu -> MAPPED LUN: %llu"
" for %s\n", tpg->se_tpg_tfo->get_fabric_name(),
- cmd->se_lun->unpacked_lun, cmd->se_deve->mapped_lun,
+ cmd->se_lun->unpacked_lun, cmd->orig_fe_lun,
sess->se_node_acl->initiatorname);
out_unlock:
@@ -314,28 +313,31 @@ target_scsi2_reservation_reserve(struct se_cmd *cmd)
* This function is called by those initiator ports who are *NOT*
* the active PR reservation holder when a reservation is present.
*/
-static int core_scsi3_pr_seq_non_holder(
- struct se_cmd *cmd,
- u32 pr_reg_type)
+static int core_scsi3_pr_seq_non_holder(struct se_cmd *cmd, u32 pr_reg_type,
+ bool isid_mismatch)
{
unsigned char *cdb = cmd->t_task_cdb;
- struct se_dev_entry *se_deve;
struct se_session *se_sess = cmd->se_sess;
- int other_cdb = 0, ignore_reg;
+ struct se_node_acl *nacl = se_sess->se_node_acl;
+ int other_cdb = 0;
int registered_nexus = 0, ret = 1; /* Conflict by default */
int all_reg = 0, reg_only = 0; /* ALL_REG, REG_ONLY */
int we = 0; /* Write Exclusive */
int legacy = 0; /* Act like a legacy device and return
* RESERVATION CONFLICT on some CDBs */
- se_deve = se_sess->se_node_acl->device_list[cmd->orig_fe_lun];
- /*
- * Determine if the registration should be ignored due to
- * non-matching ISIDs in target_scsi3_pr_reservation_check().
- */
- ignore_reg = (pr_reg_type & 0x80000000);
- if (ignore_reg)
- pr_reg_type &= ~0x80000000;
+ if (isid_mismatch) {
+ registered_nexus = 0;
+ } else {
+ struct se_dev_entry *se_deve;
+
+ rcu_read_lock();
+ se_deve = target_nacl_find_deve(nacl, cmd->orig_fe_lun);
+ if (se_deve)
+ registered_nexus = test_bit(DEF_PR_REG_ACTIVE,
+ &se_deve->deve_flags);
+ rcu_read_unlock();
+ }
switch (pr_reg_type) {
case PR_TYPE_WRITE_EXCLUSIVE:
@@ -345,8 +347,6 @@ static int core_scsi3_pr_seq_non_holder(
* Some commands are only allowed for the persistent reservation
* holder.
*/
- if ((se_deve->def_pr_registered) && !(ignore_reg))
- registered_nexus = 1;
break;
case PR_TYPE_WRITE_EXCLUSIVE_REGONLY:
we = 1;
@@ -355,8 +355,6 @@ static int core_scsi3_pr_seq_non_holder(
* Some commands are only allowed for registered I_T Nexuses.
*/
reg_only = 1;
- if ((se_deve->def_pr_registered) && !(ignore_reg))
- registered_nexus = 1;
break;
case PR_TYPE_WRITE_EXCLUSIVE_ALLREG:
we = 1;
@@ -365,8 +363,6 @@ static int core_scsi3_pr_seq_non_holder(
* Each registered I_T Nexus is a reservation holder.
*/
all_reg = 1;
- if ((se_deve->def_pr_registered) && !(ignore_reg))
- registered_nexus = 1;
break;
default:
return -EINVAL;
@@ -572,6 +568,7 @@ target_scsi3_pr_reservation_check(struct se_cmd *cmd)
struct se_device *dev = cmd->se_dev;
struct se_session *sess = cmd->se_sess;
u32 pr_reg_type;
+ bool isid_mismatch = false;
if (!dev->dev_pr_res_holder)
return 0;
@@ -584,7 +581,7 @@ target_scsi3_pr_reservation_check(struct se_cmd *cmd)
if (dev->dev_pr_res_holder->isid_present_at_reg) {
if (dev->dev_pr_res_holder->pr_reg_bin_isid !=
sess->sess_bin_isid) {
- pr_reg_type |= 0x80000000;
+ isid_mismatch = true;
goto check_nonholder;
}
}
@@ -592,7 +589,7 @@ target_scsi3_pr_reservation_check(struct se_cmd *cmd)
return 0;
check_nonholder:
- if (core_scsi3_pr_seq_non_holder(cmd, pr_reg_type))
+ if (core_scsi3_pr_seq_non_holder(cmd, pr_reg_type, isid_mismatch))
return TCM_RESERVATION_CONFLICT;
return 0;
}
@@ -620,7 +617,9 @@ static u32 core_scsi3_pr_generation(struct se_device *dev)
static struct t10_pr_registration *__core_scsi3_do_alloc_registration(
struct se_device *dev,
struct se_node_acl *nacl,
+ struct se_lun *lun,
struct se_dev_entry *deve,
+ u64 mapped_lun,
unsigned char *isid,
u64 sa_res_key,
int all_tg_pt,
@@ -642,12 +641,12 @@ static struct t10_pr_registration *__core_scsi3_do_alloc_registration(
atomic_set(&pr_reg->pr_res_holders, 0);
pr_reg->pr_reg_nacl = nacl;
pr_reg->pr_reg_deve = deve;
- pr_reg->pr_res_mapped_lun = deve->mapped_lun;
- pr_reg->pr_aptpl_target_lun = deve->se_lun->unpacked_lun;
+ pr_reg->pr_res_mapped_lun = mapped_lun;
+ pr_reg->pr_aptpl_target_lun = lun->unpacked_lun;
+ pr_reg->tg_pt_sep_rtpi = lun->lun_rtpi;
pr_reg->pr_res_key = sa_res_key;
pr_reg->pr_reg_all_tg_pt = all_tg_pt;
pr_reg->pr_reg_aptpl = aptpl;
- pr_reg->pr_reg_tg_pt_lun = deve->se_lun;
/*
* If an ISID value for this SCSI Initiator Port exists,
* save it to the registration now.
@@ -671,7 +670,9 @@ static void core_scsi3_lunacl_undepend_item(struct se_dev_entry *);
static struct t10_pr_registration *__core_scsi3_alloc_registration(
struct se_device *dev,
struct se_node_acl *nacl,
+ struct se_lun *lun,
struct se_dev_entry *deve,
+ u64 mapped_lun,
unsigned char *isid,
u64 sa_res_key,
int all_tg_pt,
@@ -679,7 +680,8 @@ static struct t10_pr_registration *__core_scsi3_alloc_registration(
{
struct se_dev_entry *deve_tmp;
struct se_node_acl *nacl_tmp;
- struct se_port *port, *port_tmp;
+ struct se_lun_acl *lacl_tmp;
+ struct se_lun *lun_tmp, *next, *dest_lun;
const struct target_core_fabric_ops *tfo = nacl->se_tpg->se_tpg_tfo;
struct t10_pr_registration *pr_reg, *pr_reg_atp, *pr_reg_tmp, *pr_reg_tmp_safe;
int ret;
@@ -687,8 +689,9 @@ static struct t10_pr_registration *__core_scsi3_alloc_registration(
* Create a registration for the I_T Nexus upon which the
* PROUT REGISTER was received.
*/
- pr_reg = __core_scsi3_do_alloc_registration(dev, nacl, deve, isid,
- sa_res_key, all_tg_pt, aptpl);
+ pr_reg = __core_scsi3_do_alloc_registration(dev, nacl, lun, deve, mapped_lun,
+ isid, sa_res_key, all_tg_pt,
+ aptpl);
if (!pr_reg)
return NULL;
/*
@@ -701,13 +704,13 @@ static struct t10_pr_registration *__core_scsi3_alloc_registration(
* for ALL_TG_PT=1
*/
spin_lock(&dev->se_port_lock);
- list_for_each_entry_safe(port, port_tmp, &dev->dev_sep_list, sep_list) {
- atomic_inc_mb(&port->sep_tg_pt_ref_cnt);
+ list_for_each_entry_safe(lun_tmp, next, &dev->dev_sep_list, lun_dev_link) {
+ if (!percpu_ref_tryget_live(&lun_tmp->lun_ref))
+ continue;
spin_unlock(&dev->se_port_lock);
- spin_lock_bh(&port->sep_alua_lock);
- list_for_each_entry(deve_tmp, &port->sep_alua_list,
- alua_port_list) {
+ spin_lock(&lun_tmp->lun_deve_lock);
+ list_for_each_entry(deve_tmp, &lun_tmp->lun_deve_list, lun_link) {
/*
* This pointer will be NULL for demo mode MappedLUNs
* that have not been make explicit via a ConfigFS
@@ -716,7 +719,9 @@ static struct t10_pr_registration *__core_scsi3_alloc_registration(
if (!deve_tmp->se_lun_acl)
continue;
- nacl_tmp = deve_tmp->se_lun_acl->se_lun_nacl;
+ lacl_tmp = rcu_dereference_check(deve_tmp->se_lun_acl,
+ lockdep_is_held(&lun_tmp->lun_deve_lock));
+ nacl_tmp = lacl_tmp->se_lun_nacl;
/*
* Skip the matching struct se_node_acl that is allocated
* above..
@@ -736,8 +741,8 @@ static struct t10_pr_registration *__core_scsi3_alloc_registration(
if (strcmp(nacl->initiatorname, nacl_tmp->initiatorname))
continue;
- atomic_inc_mb(&deve_tmp->pr_ref_count);
- spin_unlock_bh(&port->sep_alua_lock);
+ kref_get(&deve_tmp->pr_kref);
+ spin_unlock(&lun_tmp->lun_deve_lock);
/*
* Grab a configfs group dependency that is released
* for the exception path at label out: below, or upon
@@ -748,8 +753,8 @@ static struct t10_pr_registration *__core_scsi3_alloc_registration(
if (ret < 0) {
pr_err("core_scsi3_lunacl_depend"
"_item() failed\n");
- atomic_dec_mb(&port->sep_tg_pt_ref_cnt);
- atomic_dec_mb(&deve_tmp->pr_ref_count);
+ percpu_ref_put(&lun_tmp->lun_ref);
+ kref_put(&deve_tmp->pr_kref, target_pr_kref_release);
goto out;
}
/*
@@ -759,24 +764,27 @@ static struct t10_pr_registration *__core_scsi3_alloc_registration(
* the original *pr_reg is processed in
* __core_scsi3_add_registration()
*/
+ dest_lun = rcu_dereference_check(deve_tmp->se_lun,
+ atomic_read(&deve_tmp->pr_kref.refcount) != 0);
+
pr_reg_atp = __core_scsi3_do_alloc_registration(dev,
- nacl_tmp, deve_tmp, NULL,
+ nacl_tmp, dest_lun, deve_tmp,
+ deve_tmp->mapped_lun, NULL,
sa_res_key, all_tg_pt, aptpl);
if (!pr_reg_atp) {
- atomic_dec_mb(&port->sep_tg_pt_ref_cnt);
- atomic_dec_mb(&deve_tmp->pr_ref_count);
+ percpu_ref_put(&lun_tmp->lun_ref);
core_scsi3_lunacl_undepend_item(deve_tmp);
goto out;
}
list_add_tail(&pr_reg_atp->pr_reg_atp_mem_list,
&pr_reg->pr_reg_atp_list);
- spin_lock_bh(&port->sep_alua_lock);
+ spin_lock(&lun_tmp->lun_deve_lock);
}
- spin_unlock_bh(&port->sep_alua_lock);
+ spin_unlock(&lun_tmp->lun_deve_lock);
spin_lock(&dev->se_port_lock);
- atomic_dec_mb(&port->sep_tg_pt_ref_cnt);
+ percpu_ref_put(&lun_tmp->lun_ref);
}
spin_unlock(&dev->se_port_lock);
@@ -797,10 +805,10 @@ int core_scsi3_alloc_aptpl_registration(
u64 sa_res_key,
unsigned char *i_port,
unsigned char *isid,
- u32 mapped_lun,
+ u64 mapped_lun,
unsigned char *t_port,
u16 tpgt,
- u32 target_lun,
+ u64 target_lun,
int res_holder,
int all_tg_pt,
u8 type)
@@ -831,7 +839,6 @@ int core_scsi3_alloc_aptpl_registration(
pr_reg->pr_res_key = sa_res_key;
pr_reg->pr_reg_all_tg_pt = all_tg_pt;
pr_reg->pr_reg_aptpl = 1;
- pr_reg->pr_reg_tg_pt_lun = NULL;
pr_reg->pr_res_scope = 0; /* Always LUN_SCOPE */
pr_reg->pr_res_type = type;
/*
@@ -895,9 +902,9 @@ static int __core_scsi3_check_aptpl_registration(
struct se_device *dev,
struct se_portal_group *tpg,
struct se_lun *lun,
- u32 target_lun,
+ u64 target_lun,
struct se_node_acl *nacl,
- struct se_dev_entry *deve)
+ u64 mapped_lun)
{
struct t10_pr_registration *pr_reg, *pr_reg_tmp;
struct t10_reservation *pr_tmpl = &dev->t10_pr;
@@ -925,14 +932,13 @@ static int __core_scsi3_check_aptpl_registration(
pr_reg_aptpl_list) {
if (!strcmp(pr_reg->pr_iport, i_port) &&
- (pr_reg->pr_res_mapped_lun == deve->mapped_lun) &&
+ (pr_reg->pr_res_mapped_lun == mapped_lun) &&
!(strcmp(pr_reg->pr_tport, t_port)) &&
(pr_reg->pr_reg_tpgt == tpgt) &&
(pr_reg->pr_aptpl_target_lun == target_lun)) {
pr_reg->pr_reg_nacl = nacl;
- pr_reg->pr_reg_deve = deve;
- pr_reg->pr_reg_tg_pt_lun = lun;
+ pr_reg->tg_pt_sep_rtpi = lun->lun_rtpi;
list_del(&pr_reg->pr_reg_aptpl_list);
spin_unlock(&pr_tmpl->aptpl_reg_lock);
@@ -967,15 +973,14 @@ int core_scsi3_check_aptpl_registration(
struct se_portal_group *tpg,
struct se_lun *lun,
struct se_node_acl *nacl,
- u32 mapped_lun)
+ u64 mapped_lun)
{
- struct se_dev_entry *deve = nacl->device_list[mapped_lun];
-
if (dev->dev_reservation_flags & DRF_SPC2_RESERVATIONS)
return 0;
return __core_scsi3_check_aptpl_registration(dev, tpg, lun,
- lun->unpacked_lun, nacl, deve);
+ lun->unpacked_lun, nacl,
+ mapped_lun);
}
static void __core_scsi3_dump_registration(
@@ -1009,10 +1014,6 @@ static void __core_scsi3_dump_registration(
pr_reg->pr_reg_aptpl);
}
-/*
- * this function can be called with struct se_device->dev_reservation_lock
- * when register_move = 1
- */
static void __core_scsi3_add_registration(
struct se_device *dev,
struct se_node_acl *nacl,
@@ -1023,6 +1024,7 @@ static void __core_scsi3_add_registration(
const struct target_core_fabric_ops *tfo = nacl->se_tpg->se_tpg_tfo;
struct t10_pr_registration *pr_reg_tmp, *pr_reg_tmp_safe;
struct t10_reservation *pr_tmpl = &dev->t10_pr;
+ struct se_dev_entry *deve;
/*
* Increment PRgeneration counter for struct se_device upon a successful
@@ -1039,10 +1041,16 @@ static void __core_scsi3_add_registration(
spin_lock(&pr_tmpl->registration_lock);
list_add_tail(&pr_reg->pr_reg_list, &pr_tmpl->registration_list);
- pr_reg->pr_reg_deve->def_pr_registered = 1;
__core_scsi3_dump_registration(tfo, dev, nacl, pr_reg, register_type);
spin_unlock(&pr_tmpl->registration_lock);
+
+ rcu_read_lock();
+ deve = pr_reg->pr_reg_deve;
+ if (deve)
+ set_bit(DEF_PR_REG_ACTIVE, &deve->deve_flags);
+ rcu_read_unlock();
+
/*
* Skip extra processing for ALL_TG_PT=0 or REGISTER_AND_MOVE.
*/
@@ -1054,6 +1062,8 @@ static void __core_scsi3_add_registration(
*/
list_for_each_entry_safe(pr_reg_tmp, pr_reg_tmp_safe,
&pr_reg->pr_reg_atp_list, pr_reg_atp_mem_list) {
+ struct se_node_acl *nacl_tmp = pr_reg_tmp->pr_reg_nacl;
+
list_del(&pr_reg_tmp->pr_reg_atp_mem_list);
pr_reg_tmp->pr_res_generation = core_scsi3_pr_generation(dev);
@@ -1061,12 +1071,17 @@ static void __core_scsi3_add_registration(
spin_lock(&pr_tmpl->registration_lock);
list_add_tail(&pr_reg_tmp->pr_reg_list,
&pr_tmpl->registration_list);
- pr_reg_tmp->pr_reg_deve->def_pr_registered = 1;
- __core_scsi3_dump_registration(tfo, dev,
- pr_reg_tmp->pr_reg_nacl, pr_reg_tmp,
- register_type);
+ __core_scsi3_dump_registration(tfo, dev, nacl_tmp, pr_reg_tmp,
+ register_type);
spin_unlock(&pr_tmpl->registration_lock);
+
+ rcu_read_lock();
+ deve = pr_reg_tmp->pr_reg_deve;
+ if (deve)
+ set_bit(DEF_PR_REG_ACTIVE, &deve->deve_flags);
+ rcu_read_unlock();
+
/*
* Drop configfs group dependency reference from
* __core_scsi3_alloc_registration()
@@ -1078,7 +1093,9 @@ static void __core_scsi3_add_registration(
static int core_scsi3_alloc_registration(
struct se_device *dev,
struct se_node_acl *nacl,
+ struct se_lun *lun,
struct se_dev_entry *deve,
+ u64 mapped_lun,
unsigned char *isid,
u64 sa_res_key,
int all_tg_pt,
@@ -1088,8 +1105,9 @@ static int core_scsi3_alloc_registration(
{
struct t10_pr_registration *pr_reg;
- pr_reg = __core_scsi3_alloc_registration(dev, nacl, deve, isid,
- sa_res_key, all_tg_pt, aptpl);
+ pr_reg = __core_scsi3_alloc_registration(dev, nacl, lun, deve, mapped_lun,
+ isid, sa_res_key, all_tg_pt,
+ aptpl);
if (!pr_reg)
return -EPERM;
@@ -1242,13 +1260,13 @@ static void __core_scsi3_free_registration(
const struct target_core_fabric_ops *tfo =
pr_reg->pr_reg_nacl->se_tpg->se_tpg_tfo;
struct t10_reservation *pr_tmpl = &dev->t10_pr;
+ struct se_node_acl *nacl = pr_reg->pr_reg_nacl;
+ struct se_dev_entry *deve;
char i_buf[PR_REG_ISID_ID_LEN];
memset(i_buf, 0, PR_REG_ISID_ID_LEN);
core_pr_dump_initiator_port(pr_reg, i_buf, PR_REG_ISID_ID_LEN);
- pr_reg->pr_reg_deve->def_pr_registered = 0;
- pr_reg->pr_reg_deve->pr_res_key = 0;
if (!list_empty(&pr_reg->pr_reg_list))
list_del(&pr_reg->pr_reg_list);
/*
@@ -1257,6 +1275,8 @@ static void __core_scsi3_free_registration(
*/
if (dec_holders)
core_scsi3_put_pr_reg(pr_reg);
+
+ spin_unlock(&pr_tmpl->registration_lock);
/*
* Wait until all reference from any other I_T nexuses for this
* *pr_reg have been released. Because list_del() is called above,
@@ -1264,13 +1284,18 @@ static void __core_scsi3_free_registration(
* count back to zero, and we release *pr_reg.
*/
while (atomic_read(&pr_reg->pr_res_holders) != 0) {
- spin_unlock(&pr_tmpl->registration_lock);
pr_debug("SPC-3 PR [%s] waiting for pr_res_holders\n",
tfo->get_fabric_name());
cpu_relax();
- spin_lock(&pr_tmpl->registration_lock);
}
+ rcu_read_lock();
+ deve = target_nacl_find_deve(nacl, pr_reg->pr_res_mapped_lun);
+ if (deve)
+ clear_bit(DEF_PR_REG_ACTIVE, &deve->deve_flags);
+ rcu_read_unlock();
+
+ spin_lock(&pr_tmpl->registration_lock);
pr_debug("SPC-3 PR [%s] Service Action: UNREGISTER Initiator"
" Node: %s%s\n", tfo->get_fabric_name(),
pr_reg->pr_reg_nacl->initiatorname,
@@ -1392,12 +1417,14 @@ static void core_scsi3_nodeacl_undepend_item(struct se_node_acl *nacl)
static int core_scsi3_lunacl_depend_item(struct se_dev_entry *se_deve)
{
- struct se_lun_acl *lun_acl = se_deve->se_lun_acl;
+ struct se_lun_acl *lun_acl;
struct se_node_acl *nacl;
struct se_portal_group *tpg;
/*
* For nacl->dynamic_node_acl=1
*/
+ lun_acl = rcu_dereference_check(se_deve->se_lun_acl,
+ atomic_read(&se_deve->pr_kref.refcount) != 0);
if (!lun_acl)
return 0;
@@ -1409,21 +1436,23 @@ static int core_scsi3_lunacl_depend_item(struct se_dev_entry *se_deve)
static void core_scsi3_lunacl_undepend_item(struct se_dev_entry *se_deve)
{
- struct se_lun_acl *lun_acl = se_deve->se_lun_acl;
+ struct se_lun_acl *lun_acl;
struct se_node_acl *nacl;
struct se_portal_group *tpg;
/*
* For nacl->dynamic_node_acl=1
*/
+ lun_acl = rcu_dereference_check(se_deve->se_lun_acl,
+ atomic_read(&se_deve->pr_kref.refcount) != 0);
if (!lun_acl) {
- atomic_dec_mb(&se_deve->pr_ref_count);
+ kref_put(&se_deve->pr_kref, target_pr_kref_release);
return;
}
nacl = lun_acl->se_lun_nacl;
tpg = nacl->se_tpg;
target_undepend_item(&lun_acl->se_lun_group.cg_item);
- atomic_dec_mb(&se_deve->pr_ref_count);
+ kref_put(&se_deve->pr_kref, target_pr_kref_release);
}
static sense_reason_t
@@ -1436,30 +1465,25 @@ core_scsi3_decode_spec_i_port(
int aptpl)
{
struct se_device *dev = cmd->se_dev;
- struct se_port *tmp_port;
struct se_portal_group *dest_tpg = NULL, *tmp_tpg;
struct se_session *se_sess = cmd->se_sess;
struct se_node_acl *dest_node_acl = NULL;
- struct se_dev_entry *dest_se_deve = NULL, *local_se_deve;
+ struct se_dev_entry *dest_se_deve = NULL;
struct t10_pr_registration *dest_pr_reg, *local_pr_reg, *pr_reg_e;
struct t10_pr_registration *pr_reg_tmp, *pr_reg_tmp_safe;
LIST_HEAD(tid_dest_list);
struct pr_transport_id_holder *tidh_new, *tidh, *tidh_tmp;
- const struct target_core_fabric_ops *tmp_tf_ops;
- unsigned char *buf;
- unsigned char *ptr, *i_str = NULL, proto_ident, tmp_proto_ident;
+ unsigned char *buf, *ptr, proto_ident;
+ const unsigned char *i_str;
char *iport_ptr = NULL, i_buf[PR_REG_ISID_ID_LEN];
sense_reason_t ret;
u32 tpdl, tid_len = 0;
- int dest_local_nexus;
u32 dest_rtpi = 0;
- local_se_deve = se_sess->se_node_acl->device_list[cmd->orig_fe_lun];
/*
* Allocate a struct pr_transport_id_holder and setup the
- * local_node_acl and local_se_deve pointers and add to
- * struct list_head tid_dest_list for add registration
- * processing in the loop of tid_dest_list below.
+ * local_node_acl pointer and add to struct list_head tid_dest_list
+ * for add registration processing in the loop of tid_dest_list below.
*/
tidh_new = kzalloc(sizeof(struct pr_transport_id_holder), GFP_KERNEL);
if (!tidh_new) {
@@ -1469,10 +1493,10 @@ core_scsi3_decode_spec_i_port(
INIT_LIST_HEAD(&tidh_new->dest_list);
tidh_new->dest_tpg = tpg;
tidh_new->dest_node_acl = se_sess->se_node_acl;
- tidh_new->dest_se_deve = local_se_deve;
local_pr_reg = __core_scsi3_alloc_registration(cmd->se_dev,
- se_sess->se_node_acl, local_se_deve, l_isid,
+ se_sess->se_node_acl, cmd->se_lun,
+ NULL, cmd->orig_fe_lun, l_isid,
sa_res_key, all_tg_pt, aptpl);
if (!local_pr_reg) {
kfree(tidh_new);
@@ -1481,10 +1505,10 @@ core_scsi3_decode_spec_i_port(
tidh_new->dest_pr_reg = local_pr_reg;
/*
* The local I_T nexus does not hold any configfs dependances,
- * so we set tid_h->dest_local_nexus=1 to prevent the
+ * so we set tidh_new->dest_se_deve to NULL to prevent the
* configfs_undepend_item() calls in the tid_dest_list loops below.
*/
- tidh_new->dest_local_nexus = 1;
+ tidh_new->dest_se_deve = NULL;
list_add_tail(&tidh_new->dest_list, &tid_dest_list);
if (cmd->data_length < 28) {
@@ -1525,32 +1549,25 @@ core_scsi3_decode_spec_i_port(
ptr = &buf[28];
while (tpdl > 0) {
+ struct se_lun *dest_lun, *tmp_lun;
+
proto_ident = (ptr[0] & 0x0f);
dest_tpg = NULL;
spin_lock(&dev->se_port_lock);
- list_for_each_entry(tmp_port, &dev->dev_sep_list, sep_list) {
- tmp_tpg = tmp_port->sep_tpg;
- if (!tmp_tpg)
- continue;
- tmp_tf_ops = tmp_tpg->se_tpg_tfo;
- if (!tmp_tf_ops)
- continue;
- if (!tmp_tf_ops->get_fabric_proto_ident ||
- !tmp_tf_ops->tpg_parse_pr_out_transport_id)
- continue;
+ list_for_each_entry(tmp_lun, &dev->dev_sep_list, lun_dev_link) {
+ tmp_tpg = tmp_lun->lun_tpg;
+
/*
* Look for the matching proto_ident provided by
* the received TransportID
*/
- tmp_proto_ident = tmp_tf_ops->get_fabric_proto_ident(tmp_tpg);
- if (tmp_proto_ident != proto_ident)
+ if (tmp_tpg->proto_id != proto_ident)
continue;
- dest_rtpi = tmp_port->sep_rtpi;
+ dest_rtpi = tmp_lun->lun_rtpi;
- i_str = tmp_tf_ops->tpg_parse_pr_out_transport_id(
- tmp_tpg, (const char *)ptr, &tid_len,
- &iport_ptr);
+ i_str = target_parse_pr_out_transport_id(tmp_tpg,
+ (const char *)ptr, &tid_len, &iport_ptr);
if (!i_str)
continue;
@@ -1569,12 +1586,12 @@ core_scsi3_decode_spec_i_port(
* from the decoded fabric module specific TransportID
* at *i_str.
*/
- spin_lock_irq(&tmp_tpg->acl_node_lock);
+ mutex_lock(&tmp_tpg->acl_node_mutex);
dest_node_acl = __core_tpg_get_initiator_node_acl(
tmp_tpg, i_str);
if (dest_node_acl)
atomic_inc_mb(&dest_node_acl->acl_pr_ref_count);
- spin_unlock_irq(&tmp_tpg->acl_node_lock);
+ mutex_unlock(&tmp_tpg->acl_node_mutex);
if (!dest_node_acl) {
core_scsi3_tpg_undepend_item(tmp_tpg);
@@ -1644,7 +1661,7 @@ core_scsi3_decode_spec_i_port(
if (core_scsi3_lunacl_depend_item(dest_se_deve)) {
pr_err("core_scsi3_lunacl_depend_item()"
" failed\n");
- atomic_dec_mb(&dest_se_deve->pr_ref_count);
+ kref_put(&dest_se_deve->pr_kref, target_pr_kref_release);
core_scsi3_nodeacl_undepend_item(dest_node_acl);
core_scsi3_tpg_undepend_item(dest_tpg);
ret = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
@@ -1652,7 +1669,7 @@ core_scsi3_decode_spec_i_port(
}
pr_debug("SPC-3 PR SPEC_I_PT: Located %s Node: %s"
- " dest_se_deve mapped_lun: %u\n",
+ " dest_se_deve mapped_lun: %llu\n",
dest_tpg->se_tpg_tfo->get_fabric_name(),
dest_node_acl->initiatorname, dest_se_deve->mapped_lun);
@@ -1708,9 +1725,13 @@ core_scsi3_decode_spec_i_port(
* and then call __core_scsi3_add_registration() in the
* 2nd loop which will never fail.
*/
+ dest_lun = rcu_dereference_check(dest_se_deve->se_lun,
+ atomic_read(&dest_se_deve->pr_kref.refcount) != 0);
+
dest_pr_reg = __core_scsi3_alloc_registration(cmd->se_dev,
- dest_node_acl, dest_se_deve, iport_ptr,
- sa_res_key, all_tg_pt, aptpl);
+ dest_node_acl, dest_lun, dest_se_deve,
+ dest_se_deve->mapped_lun, iport_ptr,
+ sa_res_key, all_tg_pt, aptpl);
if (!dest_pr_reg) {
core_scsi3_lunacl_undepend_item(dest_se_deve);
core_scsi3_nodeacl_undepend_item(dest_node_acl);
@@ -1748,7 +1769,6 @@ core_scsi3_decode_spec_i_port(
dest_node_acl = tidh->dest_node_acl;
dest_se_deve = tidh->dest_se_deve;
dest_pr_reg = tidh->dest_pr_reg;
- dest_local_nexus = tidh->dest_local_nexus;
list_del(&tidh->dest_list);
kfree(tidh);
@@ -1761,10 +1781,11 @@ core_scsi3_decode_spec_i_port(
pr_debug("SPC-3 PR [%s] SPEC_I_PT: Successfully"
" registered Transport ID for Node: %s%s Mapped LUN:"
- " %u\n", dest_tpg->se_tpg_tfo->get_fabric_name(),
- dest_node_acl->initiatorname, i_buf, dest_se_deve->mapped_lun);
+ " %llu\n", dest_tpg->se_tpg_tfo->get_fabric_name(),
+ dest_node_acl->initiatorname, i_buf, (dest_se_deve) ?
+ dest_se_deve->mapped_lun : 0);
- if (dest_local_nexus)
+ if (!dest_se_deve)
continue;
core_scsi3_lunacl_undepend_item(dest_se_deve);
@@ -1785,7 +1806,6 @@ core_scsi3_decode_spec_i_port(
dest_node_acl = tidh->dest_node_acl;
dest_se_deve = tidh->dest_se_deve;
dest_pr_reg = tidh->dest_pr_reg;
- dest_local_nexus = tidh->dest_local_nexus;
list_del(&tidh->dest_list);
kfree(tidh);
@@ -1803,7 +1823,7 @@ core_scsi3_decode_spec_i_port(
kmem_cache_free(t10_pr_reg_cache, dest_pr_reg);
- if (dest_local_nexus)
+ if (!dest_se_deve)
continue;
core_scsi3_lunacl_undepend_item(dest_se_deve);
@@ -1818,7 +1838,6 @@ static int core_scsi3_update_aptpl_buf(
unsigned char *buf,
u32 pr_aptpl_buf_len)
{
- struct se_lun *lun;
struct se_portal_group *tpg;
struct t10_pr_registration *pr_reg;
unsigned char tmp[512], isid_buf[32];
@@ -1837,7 +1856,6 @@ static int core_scsi3_update_aptpl_buf(
tmp[0] = '\0';
isid_buf[0] = '\0';
tpg = pr_reg->pr_reg_nacl->se_tpg;
- lun = pr_reg->pr_reg_tg_pt_lun;
/*
* Write out any ISID value to APTPL metadata that was included
* in the original registration.
@@ -1856,7 +1874,7 @@ static int core_scsi3_update_aptpl_buf(
"sa_res_key=%llu\n"
"res_holder=1\nres_type=%02x\n"
"res_scope=%02x\nres_all_tg_pt=%d\n"
- "mapped_lun=%u\n", reg_count,
+ "mapped_lun=%llu\n", reg_count,
tpg->se_tpg_tfo->get_fabric_name(),
pr_reg->pr_reg_nacl->initiatorname, isid_buf,
pr_reg->pr_res_key, pr_reg->pr_res_type,
@@ -1866,7 +1884,7 @@ static int core_scsi3_update_aptpl_buf(
snprintf(tmp, 512, "PR_REG_START: %d\n"
"initiator_fabric=%s\ninitiator_node=%s\n%s"
"sa_res_key=%llu\nres_holder=0\n"
- "res_all_tg_pt=%d\nmapped_lun=%u\n",
+ "res_all_tg_pt=%d\nmapped_lun=%llu\n",
reg_count, tpg->se_tpg_tfo->get_fabric_name(),
pr_reg->pr_reg_nacl->initiatorname, isid_buf,
pr_reg->pr_res_key, pr_reg->pr_reg_all_tg_pt,
@@ -1885,11 +1903,12 @@ static int core_scsi3_update_aptpl_buf(
* Include information about the associated SCSI target port.
*/
snprintf(tmp, 512, "target_fabric=%s\ntarget_node=%s\n"
- "tpgt=%hu\nport_rtpi=%hu\ntarget_lun=%u\nPR_REG_END:"
+ "tpgt=%hu\nport_rtpi=%hu\ntarget_lun=%llu\nPR_REG_END:"
" %d\n", tpg->se_tpg_tfo->get_fabric_name(),
tpg->se_tpg_tfo->tpg_get_wwn(tpg),
tpg->se_tpg_tfo->tpg_get_tag(tpg),
- lun->lun_sep->sep_rtpi, lun->unpacked_lun, reg_count);
+ pr_reg->tg_pt_sep_rtpi, pr_reg->pr_aptpl_target_lun,
+ reg_count);
if ((len + strlen(tmp) >= pr_aptpl_buf_len)) {
pr_err("Unable to update renaming APTPL metadata,"
@@ -2000,7 +2019,6 @@ core_scsi3_emulate_pro_register(struct se_cmd *cmd, u64 res_key, u64 sa_res_key,
{
struct se_session *se_sess = cmd->se_sess;
struct se_device *dev = cmd->se_dev;
- struct se_dev_entry *se_deve;
struct se_lun *se_lun = cmd->se_lun;
struct se_portal_group *se_tpg;
struct t10_pr_registration *pr_reg, *pr_reg_p, *pr_reg_tmp;
@@ -2014,7 +2032,6 @@ core_scsi3_emulate_pro_register(struct se_cmd *cmd, u64 res_key, u64 sa_res_key,
return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
}
se_tpg = se_sess->se_tpg;
- se_deve = se_sess->se_node_acl->device_list[cmd->orig_fe_lun];
if (se_tpg->se_tpg_tfo->sess_get_initiator_sid) {
memset(&isid_buf[0], 0, PR_REG_ISID_LEN);
@@ -2045,7 +2062,8 @@ core_scsi3_emulate_pro_register(struct se_cmd *cmd, u64 res_key, u64 sa_res_key,
* Logical Unit of the SCSI device server.
*/
if (core_scsi3_alloc_registration(cmd->se_dev,
- se_sess->se_node_acl, se_deve, isid_ptr,
+ se_sess->se_node_acl, cmd->se_lun,
+ NULL, cmd->orig_fe_lun, isid_ptr,
sa_res_key, all_tg_pt, aptpl,
register_type, 0)) {
pr_err("Unable to allocate"
@@ -2066,7 +2084,6 @@ core_scsi3_emulate_pro_register(struct se_cmd *cmd, u64 res_key, u64 sa_res_key,
if (ret != 0)
return ret;
}
-
return core_scsi3_update_and_write_aptpl(dev, aptpl);
}
@@ -2180,7 +2197,7 @@ core_scsi3_emulate_pro_register(struct se_cmd *cmd, u64 res_key, u64 sa_res_key,
&pr_tmpl->registration_list,
pr_reg_list) {
- core_scsi3_ua_allocate(
+ target_ua_allocate_lun(
pr_reg_p->pr_reg_nacl,
pr_reg_p->pr_res_mapped_lun,
0x2A,
@@ -2607,7 +2624,7 @@ core_scsi3_emulate_pro_release(struct se_cmd *cmd, int type, int scope,
if (pr_reg_p == pr_reg)
continue;
- core_scsi3_ua_allocate(pr_reg_p->pr_reg_nacl,
+ target_ua_allocate_lun(pr_reg_p->pr_reg_nacl,
pr_reg_p->pr_res_mapped_lun,
0x2A, ASCQ_2AH_RESERVATIONS_RELEASED);
}
@@ -2630,7 +2647,7 @@ core_scsi3_emulate_pro_clear(struct se_cmd *cmd, u64 res_key)
struct se_session *se_sess = cmd->se_sess;
struct t10_reservation *pr_tmpl = &dev->t10_pr;
struct t10_pr_registration *pr_reg, *pr_reg_tmp, *pr_reg_n, *pr_res_holder;
- u32 pr_res_mapped_lun = 0;
+ u64 pr_res_mapped_lun = 0;
int calling_it_nexus = 0;
/*
* Locate the existing *pr_reg via struct se_node_acl pointers
@@ -2692,7 +2709,7 @@ core_scsi3_emulate_pro_clear(struct se_cmd *cmd, u64 res_key)
* additional sense code set to RESERVATIONS PREEMPTED.
*/
if (!calling_it_nexus)
- core_scsi3_ua_allocate(pr_reg_nacl, pr_res_mapped_lun,
+ target_ua_allocate_lun(pr_reg_nacl, pr_res_mapped_lun,
0x2A, ASCQ_2AH_RESERVATIONS_PREEMPTED);
}
spin_unlock(&pr_tmpl->registration_lock);
@@ -2786,7 +2803,7 @@ core_scsi3_pro_preempt(struct se_cmd *cmd, int type, int scope, u64 res_key,
LIST_HEAD(preempt_and_abort_list);
struct t10_pr_registration *pr_reg, *pr_reg_tmp, *pr_reg_n, *pr_res_holder;
struct t10_reservation *pr_tmpl = &dev->t10_pr;
- u32 pr_res_mapped_lun = 0;
+ u64 pr_res_mapped_lun = 0;
int all_reg = 0, calling_it_nexus = 0;
bool sa_res_key_unmatched = sa_res_key != 0;
int prh_type = 0, prh_scope = 0;
@@ -2901,7 +2918,7 @@ core_scsi3_pro_preempt(struct se_cmd *cmd, int type, int scope, u64 res_key,
NULL, 0);
}
if (!calling_it_nexus)
- core_scsi3_ua_allocate(pr_reg_nacl,
+ target_ua_allocate_lun(pr_reg_nacl,
pr_res_mapped_lun, 0x2A,
ASCQ_2AH_REGISTRATIONS_PREEMPTED);
}
@@ -3007,7 +3024,7 @@ core_scsi3_pro_preempt(struct se_cmd *cmd, int type, int scope, u64 res_key,
* persistent reservation and/or registration, with the
* additional sense code set to REGISTRATIONS PREEMPTED;
*/
- core_scsi3_ua_allocate(pr_reg_nacl, pr_res_mapped_lun, 0x2A,
+ target_ua_allocate_lun(pr_reg_nacl, pr_res_mapped_lun, 0x2A,
ASCQ_2AH_REGISTRATIONS_PREEMPTED);
}
spin_unlock(&pr_tmpl->registration_lock);
@@ -3040,7 +3057,7 @@ core_scsi3_pro_preempt(struct se_cmd *cmd, int type, int scope, u64 res_key,
if (calling_it_nexus)
continue;
- core_scsi3_ua_allocate(pr_reg->pr_reg_nacl,
+ target_ua_allocate_lun(pr_reg->pr_reg_nacl,
pr_reg->pr_res_mapped_lun, 0x2A,
ASCQ_2AH_RESERVATIONS_RELEASED);
}
@@ -3099,15 +3116,14 @@ core_scsi3_emulate_pro_register_and_move(struct se_cmd *cmd, u64 res_key,
struct se_session *se_sess = cmd->se_sess;
struct se_device *dev = cmd->se_dev;
struct se_dev_entry *dest_se_deve = NULL;
- struct se_lun *se_lun = cmd->se_lun;
+ struct se_lun *se_lun = cmd->se_lun, *tmp_lun;
struct se_node_acl *pr_res_nacl, *pr_reg_nacl, *dest_node_acl = NULL;
- struct se_port *se_port;
struct se_portal_group *se_tpg, *dest_se_tpg = NULL;
const struct target_core_fabric_ops *dest_tf_ops = NULL, *tf_ops;
struct t10_pr_registration *pr_reg, *pr_res_holder, *dest_pr_reg;
struct t10_reservation *pr_tmpl = &dev->t10_pr;
unsigned char *buf;
- unsigned char *initiator_str;
+ const unsigned char *initiator_str;
char *iport_ptr = NULL, i_buf[PR_REG_ISID_ID_LEN];
u32 tid_len, tmp_tid_len;
int new_reg = 0, type, scope, matching_iname;
@@ -3186,12 +3202,10 @@ core_scsi3_emulate_pro_register_and_move(struct se_cmd *cmd, u64 res_key,
}
spin_lock(&dev->se_port_lock);
- list_for_each_entry(se_port, &dev->dev_sep_list, sep_list) {
- if (se_port->sep_rtpi != rtpi)
- continue;
- dest_se_tpg = se_port->sep_tpg;
- if (!dest_se_tpg)
+ list_for_each_entry(tmp_lun, &dev->dev_sep_list, lun_dev_link) {
+ if (tmp_lun->lun_rtpi != rtpi)
continue;
+ dest_se_tpg = tmp_lun->lun_tpg;
dest_tf_ops = dest_se_tpg->se_tpg_tfo;
if (!dest_tf_ops)
continue;
@@ -3230,23 +3244,16 @@ core_scsi3_emulate_pro_register_and_move(struct se_cmd *cmd, u64 res_key,
pr_debug("SPC-3 PR REGISTER_AND_MOVE: Extracted Protocol Identifier:"
" 0x%02x\n", proto_ident);
- if (proto_ident != dest_tf_ops->get_fabric_proto_ident(dest_se_tpg)) {
+ if (proto_ident != dest_se_tpg->proto_id) {
pr_err("SPC-3 PR REGISTER_AND_MOVE: Received"
" proto_ident: 0x%02x does not match ident: 0x%02x"
" from fabric: %s\n", proto_ident,
- dest_tf_ops->get_fabric_proto_ident(dest_se_tpg),
+ dest_se_tpg->proto_id,
dest_tf_ops->get_fabric_name());
ret = TCM_INVALID_PARAMETER_LIST;
goto out;
}
- if (dest_tf_ops->tpg_parse_pr_out_transport_id == NULL) {
- pr_err("SPC-3 PR REGISTER_AND_MOVE: Fabric does not"
- " containg a valid tpg_parse_pr_out_transport_id"
- " function pointer\n");
- ret = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
- goto out;
- }
- initiator_str = dest_tf_ops->tpg_parse_pr_out_transport_id(dest_se_tpg,
+ initiator_str = target_parse_pr_out_transport_id(dest_se_tpg,
(const char *)&buf[24], &tmp_tid_len, &iport_ptr);
if (!initiator_str) {
pr_err("SPC-3 PR REGISTER_AND_MOVE: Unable to locate"
@@ -3295,12 +3302,12 @@ core_scsi3_emulate_pro_register_and_move(struct se_cmd *cmd, u64 res_key,
/*
* Locate the destination struct se_node_acl from the received Transport ID
*/
- spin_lock_irq(&dest_se_tpg->acl_node_lock);
+ mutex_lock(&dest_se_tpg->acl_node_mutex);
dest_node_acl = __core_tpg_get_initiator_node_acl(dest_se_tpg,
initiator_str);
if (dest_node_acl)
atomic_inc_mb(&dest_node_acl->acl_pr_ref_count);
- spin_unlock_irq(&dest_se_tpg->acl_node_lock);
+ mutex_unlock(&dest_se_tpg->acl_node_mutex);
if (!dest_node_acl) {
pr_err("Unable to locate %s dest_node_acl for"
@@ -3337,14 +3344,14 @@ core_scsi3_emulate_pro_register_and_move(struct se_cmd *cmd, u64 res_key,
if (core_scsi3_lunacl_depend_item(dest_se_deve)) {
pr_err("core_scsi3_lunacl_depend_item() failed\n");
- atomic_dec_mb(&dest_se_deve->pr_ref_count);
+ kref_put(&dest_se_deve->pr_kref, target_pr_kref_release);
dest_se_deve = NULL;
ret = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
goto out;
}
pr_debug("SPC-3 PR REGISTER_AND_MOVE: Located %s node %s LUN"
- " ACL for dest_se_deve->mapped_lun: %u\n",
+ " ACL for dest_se_deve->mapped_lun: %llu\n",
dest_tf_ops->get_fabric_name(), dest_node_acl->initiatorname,
dest_se_deve->mapped_lun);
@@ -3421,13 +3428,17 @@ core_scsi3_emulate_pro_register_and_move(struct se_cmd *cmd, u64 res_key,
dest_pr_reg = __core_scsi3_locate_pr_reg(dev, dest_node_acl,
iport_ptr);
if (!dest_pr_reg) {
- if (core_scsi3_alloc_registration(cmd->se_dev,
- dest_node_acl, dest_se_deve, iport_ptr,
- sa_res_key, 0, aptpl, 2, 1)) {
- spin_unlock(&dev->dev_reservation_lock);
+ struct se_lun *dest_lun = rcu_dereference_check(dest_se_deve->se_lun,
+ atomic_read(&dest_se_deve->pr_kref.refcount) != 0);
+
+ spin_unlock(&dev->dev_reservation_lock);
+ if (core_scsi3_alloc_registration(cmd->se_dev, dest_node_acl,
+ dest_lun, dest_se_deve, dest_se_deve->mapped_lun,
+ iport_ptr, sa_res_key, 0, aptpl, 2, 1)) {
ret = TCM_INVALID_PARAMETER_LIST;
goto out;
}
+ spin_lock(&dev->dev_reservation_lock);
dest_pr_reg = __core_scsi3_locate_pr_reg(dev, dest_node_acl,
iport_ptr);
new_reg = 1;
@@ -3883,9 +3894,10 @@ core_scsi3_pri_read_full_status(struct se_cmd *cmd)
struct t10_pr_registration *pr_reg, *pr_reg_tmp;
struct t10_reservation *pr_tmpl = &dev->t10_pr;
unsigned char *buf;
- u32 add_desc_len = 0, add_len = 0, desc_len, exp_desc_len;
+ u32 add_desc_len = 0, add_len = 0;
u32 off = 8; /* off into first Full Status descriptor */
int format_code = 0, pr_res_type = 0, pr_res_scope = 0;
+ int exp_desc_len, desc_len;
bool all_reg = false;
if (cmd->data_length < 8) {
@@ -3930,10 +3942,10 @@ core_scsi3_pri_read_full_status(struct se_cmd *cmd)
* Determine expected length of $FABRIC_MOD specific
* TransportID full status descriptor..
*/
- exp_desc_len = se_tpg->se_tpg_tfo->tpg_get_pr_transport_id_len(
- se_tpg, se_nacl, pr_reg, &format_code);
-
- if ((exp_desc_len + add_len) > cmd->data_length) {
+ exp_desc_len = target_get_pr_transport_id_len(se_nacl, pr_reg,
+ &format_code);
+ if (exp_desc_len < 0 ||
+ exp_desc_len + add_len > cmd->data_length) {
pr_warn("SPC-3 PRIN READ_FULL_STATUS ran"
" out of buffer: %d\n", cmd->data_length);
spin_lock(&pr_tmpl->registration_lock);
@@ -3990,21 +4002,26 @@ core_scsi3_pri_read_full_status(struct se_cmd *cmd)
* IDENTIFIER field are not defined by this standard.
*/
if (!pr_reg->pr_reg_all_tg_pt) {
- struct se_port *port = pr_reg->pr_reg_tg_pt_lun->lun_sep;
+ u16 sep_rtpi = pr_reg->tg_pt_sep_rtpi;
- buf[off++] = ((port->sep_rtpi >> 8) & 0xff);
- buf[off++] = (port->sep_rtpi & 0xff);
+ buf[off++] = ((sep_rtpi >> 8) & 0xff);
+ buf[off++] = (sep_rtpi & 0xff);
} else
off += 2; /* Skip over RELATIVE TARGET PORT IDENTIFIER */
+ buf[off+4] = se_tpg->proto_id;
+
/*
- * Now, have the $FABRIC_MOD fill in the protocol identifier
+ * Now, have the $FABRIC_MOD fill in the transport ID.
*/
- desc_len = se_tpg->se_tpg_tfo->tpg_get_pr_transport_id(se_tpg,
- se_nacl, pr_reg, &format_code, &buf[off+4]);
+ desc_len = target_get_pr_transport_id(se_nacl, pr_reg,
+ &format_code, &buf[off+4]);
spin_lock(&pr_tmpl->registration_lock);
atomic_dec_mb(&pr_reg->pr_res_holders);
+
+ if (desc_len < 0)
+ break;
/*
* Set the ADDITIONAL DESCRIPTOR LENGTH
*/
diff --git a/drivers/target/target_core_pr.h b/drivers/target/target_core_pr.h
index 749fd7bb7510d0d7d9dcfcbc223c1169b0b3b5ae..e3d26e9126a01fa860693d4ecb6852b0c7de3d36 100644
--- a/drivers/target/target_core_pr.h
+++ b/drivers/target/target_core_pr.h
@@ -56,11 +56,11 @@ extern sense_reason_t target_scsi2_reservation_release(struct se_cmd *);
extern sense_reason_t target_scsi2_reservation_reserve(struct se_cmd *);
extern int core_scsi3_alloc_aptpl_registration(
struct t10_reservation *, u64,
- unsigned char *, unsigned char *, u32,
- unsigned char *, u16, u32, int, int, u8);
+ unsigned char *, unsigned char *, u64,
+ unsigned char *, u16, u64, int, int, u8);
extern int core_scsi3_check_aptpl_registration(struct se_device *,
struct se_portal_group *, struct se_lun *,
- struct se_node_acl *, u32);
+ struct se_node_acl *, u64);
extern void core_scsi3_free_pr_reg_from_nacl(struct se_device *,
struct se_node_acl *);
extern void core_scsi3_free_all_registrations(struct se_device *);
diff --git a/drivers/target/target_core_pscsi.c b/drivers/target/target_core_pscsi.c
index 26581e2151415563996f5d2ceaedb96c789749d1..08e9084ee615bed5a65e5fb66d0a6bc2d50efd5b 100644
--- a/drivers/target/target_core_pscsi.c
+++ b/drivers/target/target_core_pscsi.c
@@ -42,9 +42,9 @@
#include <target/target_core_base.h>
#include <target/target_core_backend.h>
-#include <target/target_core_backend_configfs.h>
#include "target_core_alua.h"
+#include "target_core_internal.h"
#include "target_core_pscsi.h"
#define ISPRINT(a) ((a >= ' ') && (a <= '~'))
@@ -54,8 +54,6 @@ static inline struct pscsi_dev_virt *PSCSI_DEV(struct se_device *dev)
return container_of(dev, struct pscsi_dev_virt, dev);
}
-static struct se_subsystem_api pscsi_template;
-
static sense_reason_t pscsi_execute_cmd(struct se_cmd *cmd);
static void pscsi_req_done(struct request *, int);
@@ -80,7 +78,7 @@ static int pscsi_attach_hba(struct se_hba *hba, u32 host_id)
pr_debug("CORE_HBA[%d] - TCM SCSI HBA Driver %s on"
" Generic Target Core Stack %s\n", hba->hba_id,
- PSCSI_VERSION, TARGET_CORE_MOD_VERSION);
+ PSCSI_VERSION, TARGET_CORE_VERSION);
pr_debug("CORE_HBA[%d] - Attached SCSI HBA to Generic\n",
hba->hba_id);
@@ -579,6 +577,14 @@ static int pscsi_configure_device(struct se_device *dev)
return -ENODEV;
}
+static void pscsi_dev_call_rcu(struct rcu_head *p)
+{
+ struct se_device *dev = container_of(p, struct se_device, rcu_head);
+ struct pscsi_dev_virt *pdv = PSCSI_DEV(dev);
+
+ kfree(pdv);
+}
+
static void pscsi_free_device(struct se_device *dev)
{
struct pscsi_dev_virt *pdv = PSCSI_DEV(dev);
@@ -610,8 +616,7 @@ static void pscsi_free_device(struct se_device *dev)
pdv->pdv_sd = NULL;
}
-
- kfree(pdv);
+ call_rcu(&dev->rcu_head, pscsi_dev_call_rcu);
}
static void pscsi_transport_complete(struct se_cmd *cmd, struct scatterlist *sg,
@@ -635,12 +640,14 @@ static void pscsi_transport_complete(struct se_cmd *cmd, struct scatterlist *sg,
* Hack to make sure that Write-Protect modepage is set if R/O mode is
* forced.
*/
- if (!cmd->se_deve || !cmd->data_length)
+ if (!cmd->data_length)
goto after_mode_sense;
if (((cdb[0] == MODE_SENSE) || (cdb[0] == MODE_SENSE_10)) &&
(status_byte(result) << 1) == SAM_STAT_GOOD) {
- if (cmd->se_deve->lun_flags & TRANSPORT_LUNFLAGS_READ_ONLY) {
+ bool read_only = target_lun_is_rdonly(cmd);
+
+ if (read_only) {
unsigned char *buf;
buf = transport_kmap_data_sg(cmd);
@@ -1116,27 +1123,7 @@ static void pscsi_req_done(struct request *req, int uptodate)
kfree(pt);
}
-DEF_TB_DEV_ATTRIB_RO(pscsi, hw_pi_prot_type);
-TB_DEV_ATTR_RO(pscsi, hw_pi_prot_type);
-
-DEF_TB_DEV_ATTRIB_RO(pscsi, hw_block_size);
-TB_DEV_ATTR_RO(pscsi, hw_block_size);
-
-DEF_TB_DEV_ATTRIB_RO(pscsi, hw_max_sectors);
-TB_DEV_ATTR_RO(pscsi, hw_max_sectors);
-
-DEF_TB_DEV_ATTRIB_RO(pscsi, hw_queue_depth);
-TB_DEV_ATTR_RO(pscsi, hw_queue_depth);
-
-static struct configfs_attribute *pscsi_backend_dev_attrs[] = {
- &pscsi_dev_attrib_hw_pi_prot_type.attr,
- &pscsi_dev_attrib_hw_block_size.attr,
- &pscsi_dev_attrib_hw_max_sectors.attr,
- &pscsi_dev_attrib_hw_queue_depth.attr,
- NULL,
-};
-
-static struct se_subsystem_api pscsi_template = {
+static const struct target_backend_ops pscsi_ops = {
.name = "pscsi",
.owner = THIS_MODULE,
.transport_flags = TRANSPORT_FLAG_PASSTHROUGH,
@@ -1152,21 +1139,17 @@ static struct se_subsystem_api pscsi_template = {
.show_configfs_dev_params = pscsi_show_configfs_dev_params,
.get_device_type = pscsi_get_device_type,
.get_blocks = pscsi_get_blocks,
+ .tb_dev_attrib_attrs = passthrough_attrib_attrs,
};
static int __init pscsi_module_init(void)
{
- struct target_backend_cits *tbc = &pscsi_template.tb_cits;
-
- target_core_setup_sub_cits(&pscsi_template);
- tbc->tb_dev_attrib_cit.ct_attrs = pscsi_backend_dev_attrs;
-
- return transport_subsystem_register(&pscsi_template);
+ return transport_backend_register(&pscsi_ops);
}
static void __exit pscsi_module_exit(void)
{
- transport_subsystem_release(&pscsi_template);
+ target_backend_unregister(&pscsi_ops);
}
MODULE_DESCRIPTION("TCM PSCSI subsystem plugin");
diff --git a/drivers/target/target_core_rd.c b/drivers/target/target_core_rd.c
index b2d8f6f9163336a7f17ce3107e447476c4729994..4703f403f31c0dd6cc9b4d31422bbc16387b20e7 100644
--- a/drivers/target/target_core_rd.c
+++ b/drivers/target/target_core_rd.c
@@ -33,7 +33,6 @@
#include <target/target_core_base.h>
#include <target/target_core_backend.h>
-#include <target/target_core_backend_configfs.h>
#include "target_core_rd.h"
@@ -42,10 +41,6 @@ static inline struct rd_dev *RD_DEV(struct se_device *dev)
return container_of(dev, struct rd_dev, dev);
}
-/* rd_attach_hba(): (Part of se_subsystem_api_t template)
- *
- *
- */
static int rd_attach_hba(struct se_hba *hba, u32 host_id)
{
struct rd_host *rd_host;
@@ -62,7 +57,7 @@ static int rd_attach_hba(struct se_hba *hba, u32 host_id)
pr_debug("CORE_HBA[%d] - TCM Ramdisk HBA Driver %s on"
" Generic Target Core Stack %s\n", hba->hba_id,
- RD_HBA_VERSION, TARGET_CORE_MOD_VERSION);
+ RD_HBA_VERSION, TARGET_CORE_VERSION);
return 0;
}
@@ -354,12 +349,20 @@ static int rd_configure_device(struct se_device *dev)
return ret;
}
+static void rd_dev_call_rcu(struct rcu_head *p)
+{
+ struct se_device *dev = container_of(p, struct se_device, rcu_head);
+ struct rd_dev *rd_dev = RD_DEV(dev);
+
+ kfree(rd_dev);
+}
+
static void rd_free_device(struct se_device *dev)
{
struct rd_dev *rd_dev = RD_DEV(dev);
rd_release_device_space(rd_dev);
- kfree(rd_dev);
+ call_rcu(&dev->rcu_head, rd_dev_call_rcu);
}
static struct rd_dev_sg_table *rd_get_sg_table(struct rd_dev *rd_dev, u32 page)
@@ -402,10 +405,7 @@ static struct rd_dev_sg_table *rd_get_prot_table(struct rd_dev *rd_dev, u32 page
return NULL;
}
-typedef sense_reason_t (*dif_verify)(struct se_cmd *, sector_t, unsigned int,
- unsigned int, struct scatterlist *, int);
-
-static sense_reason_t rd_do_prot_rw(struct se_cmd *cmd, dif_verify dif_verify)
+static sense_reason_t rd_do_prot_rw(struct se_cmd *cmd, bool is_read)
{
struct se_device *se_dev = cmd->se_dev;
struct rd_dev *dev = RD_DEV(se_dev);
@@ -465,7 +465,16 @@ static sense_reason_t rd_do_prot_rw(struct se_cmd *cmd, dif_verify dif_verify)
#endif /* !CONFIG_ARCH_HAS_SG_CHAIN */
- rc = dif_verify(cmd, cmd->t_task_lba, sectors, 0, prot_sg, prot_offset);
+ if (is_read)
+ rc = sbc_dif_verify(cmd, cmd->t_task_lba, sectors, 0,
+ prot_sg, prot_offset);
+ else
+ rc = sbc_dif_verify(cmd, cmd->t_task_lba, sectors, 0,
+ cmd->t_prot_sg, 0);
+
+ if (!rc)
+ sbc_dif_copy_prot(cmd, sectors, is_read, prot_sg, prot_offset);
+
if (need_to_release)
kfree(prot_sg);
@@ -511,7 +520,7 @@ rd_execute_rw(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents,
if (cmd->prot_type && se_dev->dev_attrib.pi_prot_type &&
data_direction == DMA_TO_DEVICE) {
- rc = rd_do_prot_rw(cmd, sbc_dif_verify_write);
+ rc = rd_do_prot_rw(cmd, false);
if (rc)
return rc;
}
@@ -579,7 +588,7 @@ rd_execute_rw(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents,
if (cmd->prot_type && se_dev->dev_attrib.pi_prot_type &&
data_direction == DMA_FROM_DEVICE) {
- rc = rd_do_prot_rw(cmd, sbc_dif_verify_read);
+ rc = rd_do_prot_rw(cmd, true);
if (rc)
return rc;
}
@@ -693,42 +702,7 @@ rd_parse_cdb(struct se_cmd *cmd)
return sbc_parse_cdb(cmd, &rd_sbc_ops);
}
-DEF_TB_DEFAULT_ATTRIBS(rd_mcp);
-
-static struct configfs_attribute *rd_mcp_backend_dev_attrs[] = {
- &rd_mcp_dev_attrib_emulate_model_alias.attr,
- &rd_mcp_dev_attrib_emulate_dpo.attr,
- &rd_mcp_dev_attrib_emulate_fua_write.attr,
- &rd_mcp_dev_attrib_emulate_fua_read.attr,
- &rd_mcp_dev_attrib_emulate_write_cache.attr,
- &rd_mcp_dev_attrib_emulate_ua_intlck_ctrl.attr,
- &rd_mcp_dev_attrib_emulate_tas.attr,
- &rd_mcp_dev_attrib_emulate_tpu.attr,
- &rd_mcp_dev_attrib_emulate_tpws.attr,
- &rd_mcp_dev_attrib_emulate_caw.attr,
- &rd_mcp_dev_attrib_emulate_3pc.attr,
- &rd_mcp_dev_attrib_pi_prot_type.attr,
- &rd_mcp_dev_attrib_hw_pi_prot_type.attr,
- &rd_mcp_dev_attrib_pi_prot_format.attr,
- &rd_mcp_dev_attrib_enforce_pr_isids.attr,
- &rd_mcp_dev_attrib_is_nonrot.attr,
- &rd_mcp_dev_attrib_emulate_rest_reord.attr,
- &rd_mcp_dev_attrib_force_pr_aptpl.attr,
- &rd_mcp_dev_attrib_hw_block_size.attr,
- &rd_mcp_dev_attrib_block_size.attr,
- &rd_mcp_dev_attrib_hw_max_sectors.attr,
- &rd_mcp_dev_attrib_optimal_sectors.attr,
- &rd_mcp_dev_attrib_hw_queue_depth.attr,
- &rd_mcp_dev_attrib_queue_depth.attr,
- &rd_mcp_dev_attrib_max_unmap_lba_count.attr,
- &rd_mcp_dev_attrib_max_unmap_block_desc_count.attr,
- &rd_mcp_dev_attrib_unmap_granularity.attr,
- &rd_mcp_dev_attrib_unmap_granularity_alignment.attr,
- &rd_mcp_dev_attrib_max_write_same_len.attr,
- NULL,
-};
-
-static struct se_subsystem_api rd_mcp_template = {
+static const struct target_backend_ops rd_mcp_ops = {
.name = "rd_mcp",
.inquiry_prod = "RAMDISK-MCP",
.inquiry_rev = RD_MCP_VERSION,
@@ -744,25 +718,15 @@ static struct se_subsystem_api rd_mcp_template = {
.get_blocks = rd_get_blocks,
.init_prot = rd_init_prot,
.free_prot = rd_free_prot,
+ .tb_dev_attrib_attrs = sbc_attrib_attrs,
};
int __init rd_module_init(void)
{
- struct target_backend_cits *tbc = &rd_mcp_template.tb_cits;
- int ret;
-
- target_core_setup_sub_cits(&rd_mcp_template);
- tbc->tb_dev_attrib_cit.ct_attrs = rd_mcp_backend_dev_attrs;
-
- ret = transport_subsystem_register(&rd_mcp_template);
- if (ret < 0) {
- return ret;
- }
-
- return 0;
+ return transport_backend_register(&rd_mcp_ops);
}
void rd_module_exit(void)
{
- transport_subsystem_release(&rd_mcp_template);
+ target_backend_unregister(&rd_mcp_ops);
}
diff --git a/drivers/target/target_core_sbc.c b/drivers/target/target_core_sbc.c
index 43719b393ca9e607912693ee5b14525ad8830266..e318ddbe15da05338a2af842d4975d2958a0abab 100644
--- a/drivers/target/target_core_sbc.c
+++ b/drivers/target/target_core_sbc.c
@@ -38,6 +38,7 @@
static sense_reason_t
sbc_check_prot(struct se_device *, struct se_cmd *, unsigned char *, u32, bool);
+static sense_reason_t sbc_execute_unmap(struct se_cmd *cmd);
static sense_reason_t
sbc_emulate_readcapacity(struct se_cmd *cmd)
@@ -176,6 +177,23 @@ sector_t sbc_get_write_same_sectors(struct se_cmd *cmd)
}
EXPORT_SYMBOL(sbc_get_write_same_sectors);
+static sense_reason_t
+sbc_execute_write_same_unmap(struct se_cmd *cmd)
+{
+ struct sbc_ops *ops = cmd->protocol_data;
+ sector_t nolb = sbc_get_write_same_sectors(cmd);
+ sense_reason_t ret;
+
+ if (nolb) {
+ ret = ops->execute_unmap(cmd, cmd->t_task_lba, nolb);
+ if (ret)
+ return ret;
+ }
+
+ target_complete_cmd(cmd, GOOD);
+ return 0;
+}
+
static sense_reason_t
sbc_emulate_noop(struct se_cmd *cmd)
{
@@ -299,7 +317,7 @@ sbc_setup_write_same(struct se_cmd *cmd, unsigned char *flags, struct sbc_ops *o
* translated into block discard requests within backend code.
*/
if (flags[0] & 0x08) {
- if (!ops->execute_write_same_unmap)
+ if (!ops->execute_unmap)
return TCM_UNSUPPORTED_SCSI_OPCODE;
if (!dev->dev_attrib.emulate_tpws) {
@@ -307,7 +325,7 @@ sbc_setup_write_same(struct se_cmd *cmd, unsigned char *flags, struct sbc_ops *o
" has emulate_tpws disabled\n");
return TCM_UNSUPPORTED_SCSI_OPCODE;
}
- cmd->execute_cmd = ops->execute_write_same_unmap;
+ cmd->execute_cmd = sbc_execute_write_same_unmap;
return 0;
}
if (!ops->execute_write_same)
@@ -381,7 +399,9 @@ static sense_reason_t xdreadwrite_callback(struct se_cmd *cmd, bool success)
static sense_reason_t
sbc_execute_rw(struct se_cmd *cmd)
{
- return cmd->execute_rw(cmd, cmd->t_data_sg, cmd->t_data_nents,
+ struct sbc_ops *ops = cmd->protocol_data;
+
+ return ops->execute_rw(cmd, cmd->t_data_sg, cmd->t_data_nents,
cmd->data_direction);
}
@@ -560,6 +580,7 @@ static sense_reason_t compare_and_write_callback(struct se_cmd *cmd, bool succes
static sense_reason_t
sbc_compare_and_write(struct se_cmd *cmd)
{
+ struct sbc_ops *ops = cmd->protocol_data;
struct se_device *dev = cmd->se_dev;
sense_reason_t ret;
int rc;
@@ -579,7 +600,7 @@ sbc_compare_and_write(struct se_cmd *cmd)
*/
cmd->data_length = cmd->t_task_nolb * dev->dev_attrib.block_size;
- ret = cmd->execute_rw(cmd, cmd->t_bidi_data_sg, cmd->t_bidi_data_nents,
+ ret = ops->execute_rw(cmd, cmd->t_bidi_data_sg, cmd->t_bidi_data_nents,
DMA_FROM_DEVICE);
if (ret) {
cmd->transport_complete_callback = NULL;
@@ -738,14 +759,15 @@ static int
sbc_check_dpofua(struct se_device *dev, struct se_cmd *cmd, unsigned char *cdb)
{
if (cdb[1] & 0x10) {
- if (!dev->dev_attrib.emulate_dpo) {
+ /* see explanation in spc_emulate_modesense */
+ if (!target_check_fua(dev)) {
pr_err("Got CDB: 0x%02x with DPO bit set, but device"
" does not advertise support for DPO\n", cdb[0]);
return -EINVAL;
}
}
if (cdb[1] & 0x8) {
- if (!dev->dev_attrib.emulate_fua_write || !se_dev_check_wce(dev)) {
+ if (!target_check_fua(dev)) {
pr_err("Got CDB: 0x%02x with FUA bit set, but device"
" does not advertise support for FUA write\n",
cdb[0]);
@@ -765,12 +787,13 @@ sbc_parse_cdb(struct se_cmd *cmd, struct sbc_ops *ops)
u32 sectors = 0;
sense_reason_t ret;
+ cmd->protocol_data = ops;
+
switch (cdb[0]) {
case READ_6:
sectors = transport_get_sectors_6(cdb);
cmd->t_task_lba = transport_lba_21(cdb);
cmd->se_cmd_flags |= SCF_SCSI_DATA_CDB;
- cmd->execute_rw = ops->execute_rw;
cmd->execute_cmd = sbc_execute_rw;
break;
case READ_10:
@@ -785,7 +808,6 @@ sbc_parse_cdb(struct se_cmd *cmd, struct sbc_ops *ops)
return ret;
cmd->se_cmd_flags |= SCF_SCSI_DATA_CDB;
- cmd->execute_rw = ops->execute_rw;
cmd->execute_cmd = sbc_execute_rw;
break;
case READ_12:
@@ -800,7 +822,6 @@ sbc_parse_cdb(struct se_cmd *cmd, struct sbc_ops *ops)
return ret;
cmd->se_cmd_flags |= SCF_SCSI_DATA_CDB;
- cmd->execute_rw = ops->execute_rw;
cmd->execute_cmd = sbc_execute_rw;
break;
case READ_16:
@@ -815,14 +836,12 @@ sbc_parse_cdb(struct se_cmd *cmd, struct sbc_ops *ops)
return ret;
cmd->se_cmd_flags |= SCF_SCSI_DATA_CDB;
- cmd->execute_rw = ops->execute_rw;
cmd->execute_cmd = sbc_execute_rw;
break;
case WRITE_6:
sectors = transport_get_sectors_6(cdb);
cmd->t_task_lba = transport_lba_21(cdb);
cmd->se_cmd_flags |= SCF_SCSI_DATA_CDB;
- cmd->execute_rw = ops->execute_rw;
cmd->execute_cmd = sbc_execute_rw;
break;
case WRITE_10:
@@ -838,7 +857,6 @@ sbc_parse_cdb(struct se_cmd *cmd, struct sbc_ops *ops)
return ret;
cmd->se_cmd_flags |= SCF_SCSI_DATA_CDB;
- cmd->execute_rw = ops->execute_rw;
cmd->execute_cmd = sbc_execute_rw;
break;
case WRITE_12:
@@ -853,7 +871,6 @@ sbc_parse_cdb(struct se_cmd *cmd, struct sbc_ops *ops)
return ret;
cmd->se_cmd_flags |= SCF_SCSI_DATA_CDB;
- cmd->execute_rw = ops->execute_rw;
cmd->execute_cmd = sbc_execute_rw;
break;
case WRITE_16:
@@ -868,7 +885,6 @@ sbc_parse_cdb(struct se_cmd *cmd, struct sbc_ops *ops)
return ret;
cmd->se_cmd_flags |= SCF_SCSI_DATA_CDB;
- cmd->execute_rw = ops->execute_rw;
cmd->execute_cmd = sbc_execute_rw;
break;
case XDWRITEREAD_10:
@@ -886,7 +902,6 @@ sbc_parse_cdb(struct se_cmd *cmd, struct sbc_ops *ops)
/*
* Setup BIDI XOR callback to be run after I/O completion.
*/
- cmd->execute_rw = ops->execute_rw;
cmd->execute_cmd = sbc_execute_rw;
cmd->transport_complete_callback = &xdreadwrite_callback;
break;
@@ -910,7 +925,6 @@ sbc_parse_cdb(struct se_cmd *cmd, struct sbc_ops *ops)
* Setup BIDI XOR callback to be run during after I/O
* completion.
*/
- cmd->execute_rw = ops->execute_rw;
cmd->execute_cmd = sbc_execute_rw;
cmd->transport_complete_callback = &xdreadwrite_callback;
break;
@@ -954,7 +968,6 @@ sbc_parse_cdb(struct se_cmd *cmd, struct sbc_ops *ops)
cmd->t_task_lba = get_unaligned_be64(&cdb[2]);
cmd->t_task_nolb = sectors;
cmd->se_cmd_flags |= SCF_SCSI_DATA_CDB | SCF_COMPARE_AND_WRITE;
- cmd->execute_rw = ops->execute_rw;
cmd->execute_cmd = sbc_compare_and_write;
cmd->transport_complete_callback = compare_and_write_callback;
break;
@@ -1004,7 +1017,7 @@ sbc_parse_cdb(struct se_cmd *cmd, struct sbc_ops *ops)
return TCM_UNSUPPORTED_SCSI_OPCODE;
}
size = get_unaligned_be16(&cdb[7]);
- cmd->execute_cmd = ops->execute_unmap;
+ cmd->execute_cmd = sbc_execute_unmap;
break;
case WRITE_SAME_16:
sectors = transport_get_sectors_16(cdb);
@@ -1092,12 +1105,10 @@ u32 sbc_get_device_type(struct se_device *dev)
}
EXPORT_SYMBOL(sbc_get_device_type);
-sense_reason_t
-sbc_execute_unmap(struct se_cmd *cmd,
- sense_reason_t (*do_unmap_fn)(struct se_cmd *, void *,
- sector_t, sector_t),
- void *priv)
+static sense_reason_t
+sbc_execute_unmap(struct se_cmd *cmd)
{
+ struct sbc_ops *ops = cmd->protocol_data;
struct se_device *dev = cmd->se_dev;
unsigned char *buf, *ptr = NULL;
sector_t lba;
@@ -1161,7 +1172,7 @@ sbc_execute_unmap(struct se_cmd *cmd,
goto err;
}
- ret = do_unmap_fn(cmd, priv, lba, range);
+ ret = ops->execute_unmap(cmd, lba, range);
if (ret)
goto err;
@@ -1175,34 +1186,56 @@ sbc_execute_unmap(struct se_cmd *cmd,
target_complete_cmd(cmd, GOOD);
return ret;
}
-EXPORT_SYMBOL(sbc_execute_unmap);
void
sbc_dif_generate(struct se_cmd *cmd)
{
struct se_device *dev = cmd->se_dev;
struct se_dif_v1_tuple *sdt;
- struct scatterlist *dsg, *psg = cmd->t_prot_sg;
+ struct scatterlist *dsg = cmd->t_data_sg, *psg;
sector_t sector = cmd->t_task_lba;
void *daddr, *paddr;
int i, j, offset = 0;
+ unsigned int block_size = dev->dev_attrib.block_size;
- for_each_sg(cmd->t_data_sg, dsg, cmd->t_data_nents, i) {
- daddr = kmap_atomic(sg_page(dsg)) + dsg->offset;
+ for_each_sg(cmd->t_prot_sg, psg, cmd->t_prot_nents, i) {
paddr = kmap_atomic(sg_page(psg)) + psg->offset;
+ daddr = kmap_atomic(sg_page(dsg)) + dsg->offset;
- for (j = 0; j < dsg->length; j += dev->dev_attrib.block_size) {
+ for (j = 0; j < psg->length;
+ j += sizeof(struct se_dif_v1_tuple)) {
+ __u16 crc;
+ unsigned int avail;
+
+ if (offset >= dsg->length) {
+ offset -= dsg->length;
+ kunmap_atomic(daddr - dsg->offset);
+ dsg = sg_next(dsg);
+ if (!dsg) {
+ kunmap_atomic(paddr - psg->offset);
+ return;
+ }
+ daddr = kmap_atomic(sg_page(dsg)) + dsg->offset;
+ }
- if (offset >= psg->length) {
- kunmap_atomic(paddr);
- psg = sg_next(psg);
- paddr = kmap_atomic(sg_page(psg)) + psg->offset;
- offset = 0;
+ sdt = paddr + j;
+ avail = min(block_size, dsg->length - offset);
+ crc = crc_t10dif(daddr + offset, avail);
+ if (avail < block_size) {
+ kunmap_atomic(daddr - dsg->offset);
+ dsg = sg_next(dsg);
+ if (!dsg) {
+ kunmap_atomic(paddr - psg->offset);
+ return;
+ }
+ daddr = kmap_atomic(sg_page(dsg)) + dsg->offset;
+ offset = block_size - avail;
+ crc = crc_t10dif_update(crc, daddr, offset);
+ } else {
+ offset += block_size;
}
- sdt = paddr + offset;
- sdt->guard_tag = cpu_to_be16(crc_t10dif(daddr + j,
- dev->dev_attrib.block_size));
+ sdt->guard_tag = cpu_to_be16(crc);
if (cmd->prot_type == TARGET_DIF_TYPE1_PROT)
sdt->ref_tag = cpu_to_be32(sector & 0xffffffff);
sdt->app_tag = 0;
@@ -1215,26 +1248,23 @@ sbc_dif_generate(struct se_cmd *cmd)
be32_to_cpu(sdt->ref_tag));
sector++;
- offset += sizeof(struct se_dif_v1_tuple);
}
- kunmap_atomic(paddr);
- kunmap_atomic(daddr);
+ kunmap_atomic(daddr - dsg->offset);
+ kunmap_atomic(paddr - psg->offset);
}
}
static sense_reason_t
sbc_dif_v1_verify(struct se_cmd *cmd, struct se_dif_v1_tuple *sdt,
- const void *p, sector_t sector, unsigned int ei_lba)
+ __u16 crc, sector_t sector, unsigned int ei_lba)
{
- struct se_device *dev = cmd->se_dev;
- int block_size = dev->dev_attrib.block_size;
__be16 csum;
if (!(cmd->prot_checks & TARGET_DIF_CHECK_GUARD))
goto check_ref;
- csum = cpu_to_be16(crc_t10dif(p, block_size));
+ csum = cpu_to_be16(crc);
if (sdt->guard_tag != csum) {
pr_err("DIFv1 checksum failed on sector %llu guard tag 0x%04x"
@@ -1266,9 +1296,8 @@ sbc_dif_v1_verify(struct se_cmd *cmd, struct se_dif_v1_tuple *sdt,
return 0;
}
-static void
-sbc_dif_copy_prot(struct se_cmd *cmd, unsigned int sectors, bool read,
- struct scatterlist *sg, int sg_off)
+void sbc_dif_copy_prot(struct se_cmd *cmd, unsigned int sectors, bool read,
+ struct scatterlist *sg, int sg_off)
{
struct se_device *dev = cmd->se_dev;
struct scatterlist *psg;
@@ -1300,100 +1329,54 @@ sbc_dif_copy_prot(struct se_cmd *cmd, unsigned int sectors, bool read,
copied += len;
psg_len -= len;
+ kunmap_atomic(addr - sg->offset - offset);
+
if (offset >= sg->length) {
sg = sg_next(sg);
offset = 0;
}
- kunmap_atomic(addr);
}
- kunmap_atomic(paddr);
+ kunmap_atomic(paddr - psg->offset);
}
}
+EXPORT_SYMBOL(sbc_dif_copy_prot);
sense_reason_t
-sbc_dif_verify_write(struct se_cmd *cmd, sector_t start, unsigned int sectors,
- unsigned int ei_lba, struct scatterlist *sg, int sg_off)
+sbc_dif_verify(struct se_cmd *cmd, sector_t start, unsigned int sectors,
+ unsigned int ei_lba, struct scatterlist *psg, int psg_off)
{
struct se_device *dev = cmd->se_dev;
struct se_dif_v1_tuple *sdt;
- struct scatterlist *dsg, *psg = cmd->t_prot_sg;
+ struct scatterlist *dsg = cmd->t_data_sg;
sector_t sector = start;
void *daddr, *paddr;
- int i, j, offset = 0;
+ int i;
sense_reason_t rc;
+ int dsg_off = 0;
+ unsigned int block_size = dev->dev_attrib.block_size;
- for_each_sg(cmd->t_data_sg, dsg, cmd->t_data_nents, i) {
- daddr = kmap_atomic(sg_page(dsg)) + dsg->offset;
+ for (; psg && sector < start + sectors; psg = sg_next(psg)) {
paddr = kmap_atomic(sg_page(psg)) + psg->offset;
-
- for (j = 0; j < dsg->length; j += dev->dev_attrib.block_size) {
-
- if (offset >= psg->length) {
- kunmap_atomic(paddr);
- psg = sg_next(psg);
- paddr = kmap_atomic(sg_page(psg)) + psg->offset;
- offset = 0;
- }
-
- sdt = paddr + offset;
-
- pr_debug("DIF WRITE sector: %llu guard_tag: 0x%04x"
- " app_tag: 0x%04x ref_tag: %u\n",
- (unsigned long long)sector, sdt->guard_tag,
- sdt->app_tag, be32_to_cpu(sdt->ref_tag));
-
- rc = sbc_dif_v1_verify(cmd, sdt, daddr + j, sector,
- ei_lba);
- if (rc) {
- kunmap_atomic(paddr);
- kunmap_atomic(daddr);
- cmd->bad_sector = sector;
- return rc;
- }
-
- sector++;
- ei_lba++;
- offset += sizeof(struct se_dif_v1_tuple);
- }
-
- kunmap_atomic(paddr);
- kunmap_atomic(daddr);
- }
- if (!sg)
- return 0;
-
- sbc_dif_copy_prot(cmd, sectors, false, sg, sg_off);
-
- return 0;
-}
-EXPORT_SYMBOL(sbc_dif_verify_write);
-
-static sense_reason_t
-__sbc_dif_verify_read(struct se_cmd *cmd, sector_t start, unsigned int sectors,
- unsigned int ei_lba, struct scatterlist *sg, int sg_off)
-{
- struct se_device *dev = cmd->se_dev;
- struct se_dif_v1_tuple *sdt;
- struct scatterlist *dsg, *psg = sg;
- sector_t sector = start;
- void *daddr, *paddr;
- int i, j, offset = sg_off;
- sense_reason_t rc;
-
- for_each_sg(cmd->t_data_sg, dsg, cmd->t_data_nents, i) {
daddr = kmap_atomic(sg_page(dsg)) + dsg->offset;
- paddr = kmap_atomic(sg_page(psg)) + sg->offset;
-
- for (j = 0; j < dsg->length; j += dev->dev_attrib.block_size) {
- if (offset >= psg->length) {
- kunmap_atomic(paddr);
- psg = sg_next(psg);
- paddr = kmap_atomic(sg_page(psg)) + psg->offset;
- offset = 0;
+ for (i = psg_off; i < psg->length &&
+ sector < start + sectors;
+ i += sizeof(struct se_dif_v1_tuple)) {
+ __u16 crc;
+ unsigned int avail;
+
+ if (dsg_off >= dsg->length) {
+ dsg_off -= dsg->length;
+ kunmap_atomic(daddr - dsg->offset);
+ dsg = sg_next(dsg);
+ if (!dsg) {
+ kunmap_atomic(paddr - psg->offset);
+ return 0;
+ }
+ daddr = kmap_atomic(sg_page(dsg)) + dsg->offset;
}
- sdt = paddr + offset;
+ sdt = paddr + i;
pr_debug("DIF READ sector: %llu guard_tag: 0x%04x"
" app_tag: 0x%04x ref_tag: %u\n",
@@ -1401,53 +1384,43 @@ __sbc_dif_verify_read(struct se_cmd *cmd, sector_t start, unsigned int sectors,
sdt->app_tag, be32_to_cpu(sdt->ref_tag));
if (sdt->app_tag == cpu_to_be16(0xffff)) {
- sector++;
- offset += sizeof(struct se_dif_v1_tuple);
- continue;
+ dsg_off += block_size;
+ goto next;
+ }
+
+ avail = min(block_size, dsg->length - dsg_off);
+ crc = crc_t10dif(daddr + dsg_off, avail);
+ if (avail < block_size) {
+ kunmap_atomic(daddr - dsg->offset);
+ dsg = sg_next(dsg);
+ if (!dsg) {
+ kunmap_atomic(paddr - psg->offset);
+ return 0;
+ }
+ daddr = kmap_atomic(sg_page(dsg)) + dsg->offset;
+ dsg_off = block_size - avail;
+ crc = crc_t10dif_update(crc, daddr, dsg_off);
+ } else {
+ dsg_off += block_size;
}
- rc = sbc_dif_v1_verify(cmd, sdt, daddr + j, sector,
- ei_lba);
+ rc = sbc_dif_v1_verify(cmd, sdt, crc, sector, ei_lba);
if (rc) {
- kunmap_atomic(paddr);
- kunmap_atomic(daddr);
+ kunmap_atomic(daddr - dsg->offset);
+ kunmap_atomic(paddr - psg->offset);
cmd->bad_sector = sector;
return rc;
}
-
+next:
sector++;
ei_lba++;
- offset += sizeof(struct se_dif_v1_tuple);
}
- kunmap_atomic(paddr);
- kunmap_atomic(daddr);
+ psg_off = 0;
+ kunmap_atomic(daddr - dsg->offset);
+ kunmap_atomic(paddr - psg->offset);
}
return 0;
}
-
-sense_reason_t
-sbc_dif_read_strip(struct se_cmd *cmd)
-{
- struct se_device *dev = cmd->se_dev;
- u32 sectors = cmd->prot_length / dev->prot_length;
-
- return __sbc_dif_verify_read(cmd, cmd->t_task_lba, sectors, 0,
- cmd->t_prot_sg, 0);
-}
-
-sense_reason_t
-sbc_dif_verify_read(struct se_cmd *cmd, sector_t start, unsigned int sectors,
- unsigned int ei_lba, struct scatterlist *sg, int sg_off)
-{
- sense_reason_t rc;
-
- rc = __sbc_dif_verify_read(cmd, start, sectors, ei_lba, sg, sg_off);
- if (rc)
- return rc;
-
- sbc_dif_copy_prot(cmd, sectors, true, sg, sg_off);
- return 0;
-}
-EXPORT_SYMBOL(sbc_dif_verify_read);
+EXPORT_SYMBOL(sbc_dif_verify);
diff --git a/drivers/target/target_core_spc.c b/drivers/target/target_core_spc.c
index 52ea640274f4fde0dd387866842c3aac3fcf77a3..b0744433315a80496a84d8d6f49e01300471f463 100644
--- a/drivers/target/target_core_spc.c
+++ b/drivers/target/target_core_spc.c
@@ -38,10 +38,9 @@
#include "target_core_ua.h"
#include "target_core_xcopy.h"
-static void spc_fill_alua_data(struct se_port *port, unsigned char *buf)
+static void spc_fill_alua_data(struct se_lun *lun, unsigned char *buf)
{
struct t10_alua_tg_pt_gp *tg_pt_gp;
- struct t10_alua_tg_pt_gp_member *tg_pt_gp_mem;
/*
* Set SCCS for MAINTENANCE_IN + REPORT_TARGET_PORT_GROUPS.
@@ -54,17 +53,11 @@ static void spc_fill_alua_data(struct se_port *port, unsigned char *buf)
*
* See spc4r17 section 6.4.2 Table 135
*/
- if (!port)
- return;
- tg_pt_gp_mem = port->sep_alua_tg_pt_gp_mem;
- if (!tg_pt_gp_mem)
- return;
-
- spin_lock(&tg_pt_gp_mem->tg_pt_gp_mem_lock);
- tg_pt_gp = tg_pt_gp_mem->tg_pt_gp;
+ spin_lock(&lun->lun_tg_pt_gp_lock);
+ tg_pt_gp = lun->lun_tg_pt_gp;
if (tg_pt_gp)
buf[5] |= tg_pt_gp->tg_pt_gp_alua_access_type;
- spin_unlock(&tg_pt_gp_mem->tg_pt_gp_mem_lock);
+ spin_unlock(&lun->lun_tg_pt_gp_lock);
}
sense_reason_t
@@ -95,7 +88,7 @@ spc_emulate_inquiry_std(struct se_cmd *cmd, unsigned char *buf)
/*
* Enable SCCS and TPGS fields for Emulated ALUA
*/
- spc_fill_alua_data(lun->lun_sep, buf);
+ spc_fill_alua_data(lun, buf);
/*
* Set Third-Party Copy (3PC) bit to indicate support for EXTENDED_COPY
@@ -182,11 +175,9 @@ spc_emulate_evpd_83(struct se_cmd *cmd, unsigned char *buf)
{
struct se_device *dev = cmd->se_dev;
struct se_lun *lun = cmd->se_lun;
- struct se_port *port = NULL;
struct se_portal_group *tpg = NULL;
struct t10_alua_lu_gp_member *lu_gp_mem;
struct t10_alua_tg_pt_gp *tg_pt_gp;
- struct t10_alua_tg_pt_gp_member *tg_pt_gp_mem;
unsigned char *prod = &dev->t10_wwn.model[0];
u32 prod_len;
u32 unit_serial_len, off = 0;
@@ -268,18 +259,15 @@ spc_emulate_evpd_83(struct se_cmd *cmd, unsigned char *buf)
/* Header size for Designation descriptor */
len += (id_len + 4);
off += (id_len + 4);
- /*
- * struct se_port is only set for INQUIRY VPD=1 through $FABRIC_MOD
- */
- port = lun->lun_sep;
- if (port) {
+
+ if (1) {
struct t10_alua_lu_gp *lu_gp;
u32 padding, scsi_name_len, scsi_target_len;
u16 lu_gp_id = 0;
u16 tg_pt_gp_id = 0;
u16 tpgt;
- tpg = port->sep_tpg;
+ tpg = lun->lun_tpg;
/*
* Relative target port identifer, see spc4r17
* section 7.7.3.7
@@ -287,8 +275,7 @@ spc_emulate_evpd_83(struct se_cmd *cmd, unsigned char *buf)
* Get the PROTOCOL IDENTIFIER as defined by spc4r17
* section 7.5.1 Table 362
*/
- buf[off] =
- (tpg->se_tpg_tfo->get_fabric_proto_ident(tpg) << 4);
+ buf[off] = tpg->proto_id << 4;
buf[off++] |= 0x1; /* CODE SET == Binary */
buf[off] = 0x80; /* Set PIV=1 */
/* Set ASSOCIATION == target port: 01b */
@@ -300,8 +287,8 @@ spc_emulate_evpd_83(struct se_cmd *cmd, unsigned char *buf)
/* Skip over Obsolete field in RTPI payload
* in Table 472 */
off += 2;
- buf[off++] = ((port->sep_rtpi >> 8) & 0xff);
- buf[off++] = (port->sep_rtpi & 0xff);
+ buf[off++] = ((lun->lun_rtpi >> 8) & 0xff);
+ buf[off++] = (lun->lun_rtpi & 0xff);
len += 8; /* Header size + Designation descriptor */
/*
* Target port group identifier, see spc4r17
@@ -310,21 +297,16 @@ spc_emulate_evpd_83(struct se_cmd *cmd, unsigned char *buf)
* Get the PROTOCOL IDENTIFIER as defined by spc4r17
* section 7.5.1 Table 362
*/
- tg_pt_gp_mem = port->sep_alua_tg_pt_gp_mem;
- if (!tg_pt_gp_mem)
- goto check_lu_gp;
-
- spin_lock(&tg_pt_gp_mem->tg_pt_gp_mem_lock);
- tg_pt_gp = tg_pt_gp_mem->tg_pt_gp;
+ spin_lock(&lun->lun_tg_pt_gp_lock);
+ tg_pt_gp = lun->lun_tg_pt_gp;
if (!tg_pt_gp) {
- spin_unlock(&tg_pt_gp_mem->tg_pt_gp_mem_lock);
+ spin_unlock(&lun->lun_tg_pt_gp_lock);
goto check_lu_gp;
}
tg_pt_gp_id = tg_pt_gp->tg_pt_gp_id;
- spin_unlock(&tg_pt_gp_mem->tg_pt_gp_mem_lock);
+ spin_unlock(&lun->lun_tg_pt_gp_lock);
- buf[off] =
- (tpg->se_tpg_tfo->get_fabric_proto_ident(tpg) << 4);
+ buf[off] = tpg->proto_id << 4;
buf[off++] |= 0x1; /* CODE SET == Binary */
buf[off] = 0x80; /* Set PIV=1 */
/* Set ASSOCIATION == target port: 01b */
@@ -372,8 +354,7 @@ spc_emulate_evpd_83(struct se_cmd *cmd, unsigned char *buf)
* section 7.5.1 Table 362
*/
check_scsi_name:
- buf[off] =
- (tpg->se_tpg_tfo->get_fabric_proto_ident(tpg) << 4);
+ buf[off] = tpg->proto_id << 4;
buf[off++] |= 0x3; /* CODE SET == UTF-8 */
buf[off] = 0x80; /* Set PIV=1 */
/* Set ASSOCIATION == target port: 01b */
@@ -413,8 +394,7 @@ spc_emulate_evpd_83(struct se_cmd *cmd, unsigned char *buf)
/*
* Target device designator
*/
- buf[off] =
- (tpg->se_tpg_tfo->get_fabric_proto_ident(tpg) << 4);
+ buf[off] = tpg->proto_id << 4;
buf[off++] |= 0x3; /* CODE SET == UTF-8 */
buf[off] = 0x80; /* Set PIV=1 */
/* Set ASSOCIATION == target device: 10b */
@@ -482,7 +462,7 @@ spc_emulate_evpd_86(struct se_cmd *cmd, unsigned char *buf)
buf[5] = 0x07;
/* If WriteCache emulation is enabled, set V_SUP */
- if (se_dev_check_wce(dev))
+ if (target_check_wce(dev))
buf[6] = 0x01;
/* If an LBA map is present set R_SUP */
spin_lock(&cmd->se_dev->t10_alua.lba_map_lock);
@@ -699,7 +679,7 @@ static sense_reason_t
spc_emulate_inquiry(struct se_cmd *cmd)
{
struct se_device *dev = cmd->se_dev;
- struct se_portal_group *tpg = cmd->se_lun->lun_sep->sep_tpg;
+ struct se_portal_group *tpg = cmd->se_lun->lun_tpg;
unsigned char *rbuf;
unsigned char *cdb = cmd->t_task_cdb;
unsigned char *buf;
@@ -713,7 +693,7 @@ spc_emulate_inquiry(struct se_cmd *cmd)
return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
}
- if (dev == tpg->tpg_virt_lun0.lun_se_dev)
+ if (dev == rcu_access_pointer(tpg->tpg_virt_lun0->lun_se_dev))
buf[0] = 0x3f; /* Not connected */
else
buf[0] = dev->transport->get_device_type(dev);
@@ -889,7 +869,7 @@ static int spc_modesense_caching(struct se_cmd *cmd, u8 pc, u8 *p)
if (pc == 1)
goto out;
- if (se_dev_check_wce(dev))
+ if (target_check_wce(dev))
p[2] = 0x04; /* Write Cache Enable */
p[12] = 0x20; /* Disabled Read Ahead */
@@ -986,6 +966,7 @@ static sense_reason_t spc_emulate_modesense(struct se_cmd *cmd)
int length = 0;
int ret;
int i;
+ bool read_only = target_lun_is_rdonly(cmd);;
memset(buf, 0, SE_MODE_PAGE_BUF);
@@ -996,13 +977,15 @@ static sense_reason_t spc_emulate_modesense(struct se_cmd *cmd)
length = ten ? 3 : 2;
/* DEVICE-SPECIFIC PARAMETER */
- if ((cmd->se_lun->lun_access & TRANSPORT_LUNFLAGS_READ_ONLY) ||
- (cmd->se_deve &&
- (cmd->se_deve->lun_flags & TRANSPORT_LUNFLAGS_READ_ONLY)))
+ if ((cmd->se_lun->lun_access & TRANSPORT_LUNFLAGS_READ_ONLY) || read_only)
spc_modesense_write_protect(&buf[length], type);
- if ((se_dev_check_wce(dev)) &&
- (dev->dev_attrib.emulate_fua_write > 0))
+ /*
+ * SBC only allows us to enable FUA and DPO together. Fortunately
+ * DPO is explicitly specified as a hint, so a noop is a perfectly
+ * valid implementation.
+ */
+ if (target_check_fua(dev))
spc_modesense_dpofua(&buf[length], type);
++length;
@@ -1212,8 +1195,9 @@ sense_reason_t spc_emulate_report_luns(struct se_cmd *cmd)
{
struct se_dev_entry *deve;
struct se_session *sess = cmd->se_sess;
+ struct se_node_acl *nacl;
unsigned char *buf;
- u32 lun_count = 0, offset = 8, i;
+ u32 lun_count = 0, offset = 8;
if (cmd->data_length < 16) {
pr_warn("REPORT LUNS allocation length %u too small\n",
@@ -1235,12 +1219,10 @@ sense_reason_t spc_emulate_report_luns(struct se_cmd *cmd)
lun_count = 1;
goto done;
}
+ nacl = sess->se_node_acl;
- spin_lock_irq(&sess->se_node_acl->device_list_lock);
- for (i = 0; i < TRANSPORT_MAX_LUNS_PER_TPG; i++) {
- deve = sess->se_node_acl->device_list[i];
- if (!(deve->lun_flags & TRANSPORT_LUNFLAGS_INITIATOR_ACCESS))
- continue;
+ rcu_read_lock();
+ hlist_for_each_entry_rcu(deve, &nacl->lun_entry_hlist, link) {
/*
* We determine the correct LUN LIST LENGTH even once we
* have reached the initial allocation length.
@@ -1253,7 +1235,7 @@ sense_reason_t spc_emulate_report_luns(struct se_cmd *cmd)
int_to_scsilun(deve->mapped_lun, (struct scsi_lun *)&buf[offset]);
offset += 8;
}
- spin_unlock_irq(&sess->se_node_acl->device_list_lock);
+ rcu_read_unlock();
/*
* See SPC3 r07, page 159.
diff --git a/drivers/target/target_core_stat.c b/drivers/target/target_core_stat.c
index 40f6c13780414894a636cc43ef5b7eb6e0fea0d8..20ed5d2e151a6f50211273967e2cc107ba2b5bce 100644
--- a/drivers/target/target_core_stat.c
+++ b/drivers/target/target_core_stat.c
@@ -37,7 +37,6 @@
#include <target/target_core_base.h>
#include <target/target_core_backend.h>
#include <target/target_core_fabric.h>
-#include <target/target_core_configfs.h>
#include <target/configfs_macros.h>
#include "target_core_internal.h"
@@ -104,7 +103,7 @@ static ssize_t target_stat_scsi_dev_show_attr_ports(
struct se_device *dev =
container_of(sgrps, struct se_device, dev_stat_grps);
- return snprintf(page, PAGE_SIZE, "%u\n", dev->dev_port_count);
+ return snprintf(page, PAGE_SIZE, "%u\n", dev->export_count);
}
DEV_STAT_SCSI_DEV_ATTR_RO(ports);
@@ -540,20 +539,14 @@ static ssize_t target_stat_scsi_port_show_attr_inst(
struct se_port_stat_grps *pgrps, char *page)
{
struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
- struct se_port *sep;
- struct se_device *dev = lun->lun_se_dev;
- struct se_hba *hba;
- ssize_t ret;
-
- spin_lock(&lun->lun_sep_lock);
- sep = lun->lun_sep;
- if (!sep) {
- spin_unlock(&lun->lun_sep_lock);
- return -ENODEV;
- }
- hba = dev->se_hba;
- ret = snprintf(page, PAGE_SIZE, "%u\n", hba->hba_index);
- spin_unlock(&lun->lun_sep_lock);
+ struct se_device *dev;
+ ssize_t ret = -ENODEV;
+
+ rcu_read_lock();
+ dev = rcu_dereference(lun->lun_se_dev);
+ if (dev)
+ ret = snprintf(page, PAGE_SIZE, "%u\n", dev->hba_index);
+ rcu_read_unlock();
return ret;
}
DEV_STAT_SCSI_PORT_ATTR_RO(inst);
@@ -562,18 +555,14 @@ static ssize_t target_stat_scsi_port_show_attr_dev(
struct se_port_stat_grps *pgrps, char *page)
{
struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
- struct se_port *sep;
- struct se_device *dev = lun->lun_se_dev;
- ssize_t ret;
-
- spin_lock(&lun->lun_sep_lock);
- sep = lun->lun_sep;
- if (!sep) {
- spin_unlock(&lun->lun_sep_lock);
- return -ENODEV;
- }
- ret = snprintf(page, PAGE_SIZE, "%u\n", dev->dev_index);
- spin_unlock(&lun->lun_sep_lock);
+ struct se_device *dev;
+ ssize_t ret = -ENODEV;
+
+ rcu_read_lock();
+ dev = rcu_dereference(lun->lun_se_dev);
+ if (dev)
+ ret = snprintf(page, PAGE_SIZE, "%u\n", dev->dev_index);
+ rcu_read_unlock();
return ret;
}
DEV_STAT_SCSI_PORT_ATTR_RO(dev);
@@ -582,17 +571,14 @@ static ssize_t target_stat_scsi_port_show_attr_indx(
struct se_port_stat_grps *pgrps, char *page)
{
struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
- struct se_port *sep;
- ssize_t ret;
-
- spin_lock(&lun->lun_sep_lock);
- sep = lun->lun_sep;
- if (!sep) {
- spin_unlock(&lun->lun_sep_lock);
- return -ENODEV;
- }
- ret = snprintf(page, PAGE_SIZE, "%u\n", sep->sep_index);
- spin_unlock(&lun->lun_sep_lock);
+ struct se_device *dev;
+ ssize_t ret = -ENODEV;
+
+ rcu_read_lock();
+ dev = rcu_dereference(lun->lun_se_dev);
+ if (dev)
+ ret = snprintf(page, PAGE_SIZE, "%u\n", lun->lun_rtpi);
+ rcu_read_unlock();
return ret;
}
DEV_STAT_SCSI_PORT_ATTR_RO(indx);
@@ -601,21 +587,14 @@ static ssize_t target_stat_scsi_port_show_attr_role(
struct se_port_stat_grps *pgrps, char *page)
{
struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
- struct se_device *dev = lun->lun_se_dev;
- struct se_port *sep;
- ssize_t ret;
-
- if (!dev)
- return -ENODEV;
-
- spin_lock(&lun->lun_sep_lock);
- sep = lun->lun_sep;
- if (!sep) {
- spin_unlock(&lun->lun_sep_lock);
- return -ENODEV;
- }
- ret = snprintf(page, PAGE_SIZE, "%s%u\n", "Device", dev->dev_index);
- spin_unlock(&lun->lun_sep_lock);
+ struct se_device *dev;
+ ssize_t ret = -ENODEV;
+
+ rcu_read_lock();
+ dev = rcu_dereference(lun->lun_se_dev);
+ if (dev)
+ ret = snprintf(page, PAGE_SIZE, "%s%u\n", "Device", dev->dev_index);
+ rcu_read_unlock();
return ret;
}
DEV_STAT_SCSI_PORT_ATTR_RO(role);
@@ -624,18 +603,16 @@ static ssize_t target_stat_scsi_port_show_attr_busy_count(
struct se_port_stat_grps *pgrps, char *page)
{
struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
- struct se_port *sep;
- ssize_t ret;
-
- spin_lock(&lun->lun_sep_lock);
- sep = lun->lun_sep;
- if (!sep) {
- spin_unlock(&lun->lun_sep_lock);
- return -ENODEV;
+ struct se_device *dev;
+ ssize_t ret = -ENODEV;
+
+ rcu_read_lock();
+ dev = rcu_dereference(lun->lun_se_dev);
+ if (dev) {
+ /* FIXME: scsiPortBusyStatuses */
+ ret = snprintf(page, PAGE_SIZE, "%u\n", 0);
}
- /* FIXME: scsiPortBusyStatuses */
- ret = snprintf(page, PAGE_SIZE, "%u\n", 0);
- spin_unlock(&lun->lun_sep_lock);
+ rcu_read_unlock();
return ret;
}
DEV_STAT_SCSI_PORT_ATTR_RO(busy_count);
@@ -683,20 +660,14 @@ static ssize_t target_stat_scsi_tgt_port_show_attr_inst(
struct se_port_stat_grps *pgrps, char *page)
{
struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
- struct se_device *dev = lun->lun_se_dev;
- struct se_port *sep;
- struct se_hba *hba;
- ssize_t ret;
-
- spin_lock(&lun->lun_sep_lock);
- sep = lun->lun_sep;
- if (!sep) {
- spin_unlock(&lun->lun_sep_lock);
- return -ENODEV;
- }
- hba = dev->se_hba;
- ret = snprintf(page, PAGE_SIZE, "%u\n", hba->hba_index);
- spin_unlock(&lun->lun_sep_lock);
+ struct se_device *dev;
+ ssize_t ret = -ENODEV;
+
+ rcu_read_lock();
+ dev = rcu_dereference(lun->lun_se_dev);
+ if (dev)
+ ret = snprintf(page, PAGE_SIZE, "%u\n", dev->hba_index);
+ rcu_read_unlock();
return ret;
}
DEV_STAT_SCSI_TGT_PORT_ATTR_RO(inst);
@@ -705,18 +676,14 @@ static ssize_t target_stat_scsi_tgt_port_show_attr_dev(
struct se_port_stat_grps *pgrps, char *page)
{
struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
- struct se_device *dev = lun->lun_se_dev;
- struct se_port *sep;
- ssize_t ret;
-
- spin_lock(&lun->lun_sep_lock);
- sep = lun->lun_sep;
- if (!sep) {
- spin_unlock(&lun->lun_sep_lock);
- return -ENODEV;
- }
- ret = snprintf(page, PAGE_SIZE, "%u\n", dev->dev_index);
- spin_unlock(&lun->lun_sep_lock);
+ struct se_device *dev;
+ ssize_t ret = -ENODEV;
+
+ rcu_read_lock();
+ dev = rcu_dereference(lun->lun_se_dev);
+ if (dev)
+ ret = snprintf(page, PAGE_SIZE, "%u\n", dev->dev_index);
+ rcu_read_unlock();
return ret;
}
DEV_STAT_SCSI_TGT_PORT_ATTR_RO(dev);
@@ -725,17 +692,14 @@ static ssize_t target_stat_scsi_tgt_port_show_attr_indx(
struct se_port_stat_grps *pgrps, char *page)
{
struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
- struct se_port *sep;
- ssize_t ret;
-
- spin_lock(&lun->lun_sep_lock);
- sep = lun->lun_sep;
- if (!sep) {
- spin_unlock(&lun->lun_sep_lock);
- return -ENODEV;
- }
- ret = snprintf(page, PAGE_SIZE, "%u\n", sep->sep_index);
- spin_unlock(&lun->lun_sep_lock);
+ struct se_device *dev;
+ ssize_t ret = -ENODEV;
+
+ rcu_read_lock();
+ dev = rcu_dereference(lun->lun_se_dev);
+ if (dev)
+ ret = snprintf(page, PAGE_SIZE, "%u\n", lun->lun_rtpi);
+ rcu_read_unlock();
return ret;
}
DEV_STAT_SCSI_TGT_PORT_ATTR_RO(indx);
@@ -744,21 +708,17 @@ static ssize_t target_stat_scsi_tgt_port_show_attr_name(
struct se_port_stat_grps *pgrps, char *page)
{
struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
- struct se_port *sep;
- struct se_portal_group *tpg;
- ssize_t ret;
-
- spin_lock(&lun->lun_sep_lock);
- sep = lun->lun_sep;
- if (!sep) {
- spin_unlock(&lun->lun_sep_lock);
- return -ENODEV;
- }
- tpg = sep->sep_tpg;
-
- ret = snprintf(page, PAGE_SIZE, "%sPort#%u\n",
- tpg->se_tpg_tfo->get_fabric_name(), sep->sep_index);
- spin_unlock(&lun->lun_sep_lock);
+ struct se_portal_group *tpg = lun->lun_tpg;
+ struct se_device *dev;
+ ssize_t ret = -ENODEV;
+
+ rcu_read_lock();
+ dev = rcu_dereference(lun->lun_se_dev);
+ if (dev)
+ ret = snprintf(page, PAGE_SIZE, "%sPort#%u\n",
+ tpg->se_tpg_tfo->get_fabric_name(),
+ lun->lun_rtpi);
+ rcu_read_unlock();
return ret;
}
DEV_STAT_SCSI_TGT_PORT_ATTR_RO(name);
@@ -767,22 +727,17 @@ static ssize_t target_stat_scsi_tgt_port_show_attr_port_index(
struct se_port_stat_grps *pgrps, char *page)
{
struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
- struct se_port *sep;
- struct se_portal_group *tpg;
- ssize_t ret;
-
- spin_lock(&lun->lun_sep_lock);
- sep = lun->lun_sep;
- if (!sep) {
- spin_unlock(&lun->lun_sep_lock);
- return -ENODEV;
- }
- tpg = sep->sep_tpg;
-
- ret = snprintf(page, PAGE_SIZE, "%s%s%d\n",
- tpg->se_tpg_tfo->tpg_get_wwn(tpg), "+t+",
- tpg->se_tpg_tfo->tpg_get_tag(tpg));
- spin_unlock(&lun->lun_sep_lock);
+ struct se_portal_group *tpg = lun->lun_tpg;
+ struct se_device *dev;
+ ssize_t ret = -ENODEV;
+
+ rcu_read_lock();
+ dev = rcu_dereference(lun->lun_se_dev);
+ if (dev)
+ ret = snprintf(page, PAGE_SIZE, "%s%s%d\n",
+ tpg->se_tpg_tfo->tpg_get_wwn(tpg), "+t+",
+ tpg->se_tpg_tfo->tpg_get_tag(tpg));
+ rcu_read_unlock();
return ret;
}
DEV_STAT_SCSI_TGT_PORT_ATTR_RO(port_index);
@@ -791,18 +746,15 @@ static ssize_t target_stat_scsi_tgt_port_show_attr_in_cmds(
struct se_port_stat_grps *pgrps, char *page)
{
struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
- struct se_port *sep;
- ssize_t ret;
-
- spin_lock(&lun->lun_sep_lock);
- sep = lun->lun_sep;
- if (!sep) {
- spin_unlock(&lun->lun_sep_lock);
- return -ENODEV;
- }
-
- ret = snprintf(page, PAGE_SIZE, "%llu\n", sep->sep_stats.cmd_pdus);
- spin_unlock(&lun->lun_sep_lock);
+ struct se_device *dev;
+ ssize_t ret = -ENODEV;
+
+ rcu_read_lock();
+ dev = rcu_dereference(lun->lun_se_dev);
+ if (dev)
+ ret = snprintf(page, PAGE_SIZE, "%lu\n",
+ atomic_long_read(&lun->lun_stats.cmd_pdus));
+ rcu_read_unlock();
return ret;
}
DEV_STAT_SCSI_TGT_PORT_ATTR_RO(in_cmds);
@@ -811,19 +763,15 @@ static ssize_t target_stat_scsi_tgt_port_show_attr_write_mbytes(
struct se_port_stat_grps *pgrps, char *page)
{
struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
- struct se_port *sep;
- ssize_t ret;
-
- spin_lock(&lun->lun_sep_lock);
- sep = lun->lun_sep;
- if (!sep) {
- spin_unlock(&lun->lun_sep_lock);
- return -ENODEV;
- }
-
- ret = snprintf(page, PAGE_SIZE, "%u\n",
- (u32)(sep->sep_stats.rx_data_octets >> 20));
- spin_unlock(&lun->lun_sep_lock);
+ struct se_device *dev;
+ ssize_t ret = -ENODEV;
+
+ rcu_read_lock();
+ dev = rcu_dereference(lun->lun_se_dev);
+ if (dev)
+ ret = snprintf(page, PAGE_SIZE, "%u\n",
+ (u32)(atomic_long_read(&lun->lun_stats.rx_data_octets) >> 20));
+ rcu_read_unlock();
return ret;
}
DEV_STAT_SCSI_TGT_PORT_ATTR_RO(write_mbytes);
@@ -832,19 +780,15 @@ static ssize_t target_stat_scsi_tgt_port_show_attr_read_mbytes(
struct se_port_stat_grps *pgrps, char *page)
{
struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
- struct se_port *sep;
- ssize_t ret;
-
- spin_lock(&lun->lun_sep_lock);
- sep = lun->lun_sep;
- if (!sep) {
- spin_unlock(&lun->lun_sep_lock);
- return -ENODEV;
- }
-
- ret = snprintf(page, PAGE_SIZE, "%u\n",
- (u32)(sep->sep_stats.tx_data_octets >> 20));
- spin_unlock(&lun->lun_sep_lock);
+ struct se_device *dev;
+ ssize_t ret = -ENODEV;
+
+ rcu_read_lock();
+ dev = rcu_dereference(lun->lun_se_dev);
+ if (dev)
+ ret = snprintf(page, PAGE_SIZE, "%u\n",
+ (u32)(atomic_long_read(&lun->lun_stats.tx_data_octets) >> 20));
+ rcu_read_unlock();
return ret;
}
DEV_STAT_SCSI_TGT_PORT_ATTR_RO(read_mbytes);
@@ -853,19 +797,16 @@ static ssize_t target_stat_scsi_tgt_port_show_attr_hs_in_cmds(
struct se_port_stat_grps *pgrps, char *page)
{
struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
- struct se_port *sep;
- ssize_t ret;
-
- spin_lock(&lun->lun_sep_lock);
- sep = lun->lun_sep;
- if (!sep) {
- spin_unlock(&lun->lun_sep_lock);
- return -ENODEV;
+ struct se_device *dev;
+ ssize_t ret = -ENODEV;
+
+ rcu_read_lock();
+ dev = rcu_dereference(lun->lun_se_dev);
+ if (dev) {
+ /* FIXME: scsiTgtPortHsInCommands */
+ ret = snprintf(page, PAGE_SIZE, "%u\n", 0);
}
-
- /* FIXME: scsiTgtPortHsInCommands */
- ret = snprintf(page, PAGE_SIZE, "%u\n", 0);
- spin_unlock(&lun->lun_sep_lock);
+ rcu_read_unlock();
return ret;
}
DEV_STAT_SCSI_TGT_PORT_ATTR_RO(hs_in_cmds);
@@ -919,21 +860,14 @@ static ssize_t target_stat_scsi_transport_show_attr_inst(
struct se_port_stat_grps *pgrps, char *page)
{
struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
- struct se_device *dev = lun->lun_se_dev;
- struct se_port *sep;
- struct se_hba *hba;
- ssize_t ret;
-
- spin_lock(&lun->lun_sep_lock);
- sep = lun->lun_sep;
- if (!sep) {
- spin_unlock(&lun->lun_sep_lock);
- return -ENODEV;
- }
-
- hba = dev->se_hba;
- ret = snprintf(page, PAGE_SIZE, "%u\n", hba->hba_index);
- spin_unlock(&lun->lun_sep_lock);
+ struct se_device *dev;
+ ssize_t ret = -ENODEV;
+
+ rcu_read_lock();
+ dev = rcu_dereference(lun->lun_se_dev);
+ if (dev)
+ ret = snprintf(page, PAGE_SIZE, "%u\n", dev->hba_index);
+ rcu_read_unlock();
return ret;
}
DEV_STAT_SCSI_TRANSPORT_ATTR_RO(inst);
@@ -942,21 +876,18 @@ static ssize_t target_stat_scsi_transport_show_attr_device(
struct se_port_stat_grps *pgrps, char *page)
{
struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
- struct se_port *sep;
- struct se_portal_group *tpg;
- ssize_t ret;
-
- spin_lock(&lun->lun_sep_lock);
- sep = lun->lun_sep;
- if (!sep) {
- spin_unlock(&lun->lun_sep_lock);
- return -ENODEV;
+ struct se_device *dev;
+ struct se_portal_group *tpg = lun->lun_tpg;
+ ssize_t ret = -ENODEV;
+
+ rcu_read_lock();
+ dev = rcu_dereference(lun->lun_se_dev);
+ if (dev) {
+ /* scsiTransportType */
+ ret = snprintf(page, PAGE_SIZE, "scsiTransport%s\n",
+ tpg->se_tpg_tfo->get_fabric_name());
}
- tpg = sep->sep_tpg;
- /* scsiTransportType */
- ret = snprintf(page, PAGE_SIZE, "scsiTransport%s\n",
- tpg->se_tpg_tfo->get_fabric_name());
- spin_unlock(&lun->lun_sep_lock);
+ rcu_read_unlock();
return ret;
}
DEV_STAT_SCSI_TRANSPORT_ATTR_RO(device);
@@ -965,20 +896,16 @@ static ssize_t target_stat_scsi_transport_show_attr_indx(
struct se_port_stat_grps *pgrps, char *page)
{
struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
- struct se_port *sep;
- struct se_portal_group *tpg;
- ssize_t ret;
-
- spin_lock(&lun->lun_sep_lock);
- sep = lun->lun_sep;
- if (!sep) {
- spin_unlock(&lun->lun_sep_lock);
- return -ENODEV;
- }
- tpg = sep->sep_tpg;
- ret = snprintf(page, PAGE_SIZE, "%u\n",
- tpg->se_tpg_tfo->tpg_get_inst_index(tpg));
- spin_unlock(&lun->lun_sep_lock);
+ struct se_device *dev;
+ struct se_portal_group *tpg = lun->lun_tpg;
+ ssize_t ret = -ENODEV;
+
+ rcu_read_lock();
+ dev = rcu_dereference(lun->lun_se_dev);
+ if (dev)
+ ret = snprintf(page, PAGE_SIZE, "%u\n",
+ tpg->se_tpg_tfo->tpg_get_inst_index(tpg));
+ rcu_read_unlock();
return ret;
}
DEV_STAT_SCSI_TRANSPORT_ATTR_RO(indx);
@@ -987,26 +914,22 @@ static ssize_t target_stat_scsi_transport_show_attr_dev_name(
struct se_port_stat_grps *pgrps, char *page)
{
struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
- struct se_device *dev = lun->lun_se_dev;
- struct se_port *sep;
- struct se_portal_group *tpg;
+ struct se_device *dev;
+ struct se_portal_group *tpg = lun->lun_tpg;
struct t10_wwn *wwn;
- ssize_t ret;
-
- spin_lock(&lun->lun_sep_lock);
- sep = lun->lun_sep;
- if (!sep) {
- spin_unlock(&lun->lun_sep_lock);
- return -ENODEV;
+ ssize_t ret = -ENODEV;
+
+ rcu_read_lock();
+ dev = rcu_dereference(lun->lun_se_dev);
+ if (dev) {
+ wwn = &dev->t10_wwn;
+ /* scsiTransportDevName */
+ ret = snprintf(page, PAGE_SIZE, "%s+%s\n",
+ tpg->se_tpg_tfo->tpg_get_wwn(tpg),
+ (strlen(wwn->unit_serial)) ? wwn->unit_serial :
+ wwn->vendor);
}
- tpg = sep->sep_tpg;
- wwn = &dev->t10_wwn;
- /* scsiTransportDevName */
- ret = snprintf(page, PAGE_SIZE, "%s+%s\n",
- tpg->se_tpg_tfo->tpg_get_wwn(tpg),
- (strlen(wwn->unit_serial)) ? wwn->unit_serial :
- wwn->vendor);
- spin_unlock(&lun->lun_sep_lock);
+ rcu_read_unlock();
return ret;
}
DEV_STAT_SCSI_TRANSPORT_ATTR_RO(dev_name);
@@ -1082,17 +1005,17 @@ static ssize_t target_stat_scsi_auth_intr_show_attr_inst(
struct se_portal_group *tpg;
ssize_t ret;
- spin_lock_irq(&nacl->device_list_lock);
- deve = nacl->device_list[lacl->mapped_lun];
- if (!deve->se_lun || !deve->se_lun_acl) {
- spin_unlock_irq(&nacl->device_list_lock);
+ rcu_read_lock();
+ deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
+ if (!deve) {
+ rcu_read_unlock();
return -ENODEV;
}
tpg = nacl->se_tpg;
/* scsiInstIndex */
ret = snprintf(page, PAGE_SIZE, "%u\n",
tpg->se_tpg_tfo->tpg_get_inst_index(tpg));
- spin_unlock_irq(&nacl->device_list_lock);
+ rcu_read_unlock();
return ret;
}
DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(inst);
@@ -1107,16 +1030,16 @@ static ssize_t target_stat_scsi_auth_intr_show_attr_dev(
struct se_lun *lun;
ssize_t ret;
- spin_lock_irq(&nacl->device_list_lock);
- deve = nacl->device_list[lacl->mapped_lun];
- if (!deve->se_lun || !deve->se_lun_acl) {
- spin_unlock_irq(&nacl->device_list_lock);
+ rcu_read_lock();
+ deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
+ if (!deve) {
+ rcu_read_unlock();
return -ENODEV;
}
- lun = deve->se_lun;
+ lun = rcu_dereference(deve->se_lun);
/* scsiDeviceIndex */
- ret = snprintf(page, PAGE_SIZE, "%u\n", lun->lun_se_dev->dev_index);
- spin_unlock_irq(&nacl->device_list_lock);
+ ret = snprintf(page, PAGE_SIZE, "%u\n", lun->lun_index);
+ rcu_read_unlock();
return ret;
}
DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(dev);
@@ -1131,16 +1054,16 @@ static ssize_t target_stat_scsi_auth_intr_show_attr_port(
struct se_portal_group *tpg;
ssize_t ret;
- spin_lock_irq(&nacl->device_list_lock);
- deve = nacl->device_list[lacl->mapped_lun];
- if (!deve->se_lun || !deve->se_lun_acl) {
- spin_unlock_irq(&nacl->device_list_lock);
+ rcu_read_lock();
+ deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
+ if (!deve) {
+ rcu_read_unlock();
return -ENODEV;
}
tpg = nacl->se_tpg;
/* scsiAuthIntrTgtPortIndex */
ret = snprintf(page, PAGE_SIZE, "%u\n", tpg->se_tpg_tfo->tpg_get_tag(tpg));
- spin_unlock_irq(&nacl->device_list_lock);
+ rcu_read_unlock();
return ret;
}
DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(port);
@@ -1154,15 +1077,15 @@ static ssize_t target_stat_scsi_auth_intr_show_attr_indx(
struct se_dev_entry *deve;
ssize_t ret;
- spin_lock_irq(&nacl->device_list_lock);
- deve = nacl->device_list[lacl->mapped_lun];
- if (!deve->se_lun || !deve->se_lun_acl) {
- spin_unlock_irq(&nacl->device_list_lock);
+ rcu_read_lock();
+ deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
+ if (!deve) {
+ rcu_read_unlock();
return -ENODEV;
}
/* scsiAuthIntrIndex */
ret = snprintf(page, PAGE_SIZE, "%u\n", nacl->acl_index);
- spin_unlock_irq(&nacl->device_list_lock);
+ rcu_read_unlock();
return ret;
}
DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(indx);
@@ -1176,15 +1099,15 @@ static ssize_t target_stat_scsi_auth_intr_show_attr_dev_or_port(
struct se_dev_entry *deve;
ssize_t ret;
- spin_lock_irq(&nacl->device_list_lock);
- deve = nacl->device_list[lacl->mapped_lun];
- if (!deve->se_lun || !deve->se_lun_acl) {
- spin_unlock_irq(&nacl->device_list_lock);
+ rcu_read_lock();
+ deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
+ if (!deve) {
+ rcu_read_unlock();
return -ENODEV;
}
/* scsiAuthIntrDevOrPort */
ret = snprintf(page, PAGE_SIZE, "%u\n", 1);
- spin_unlock_irq(&nacl->device_list_lock);
+ rcu_read_unlock();
return ret;
}
DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(dev_or_port);
@@ -1198,15 +1121,15 @@ static ssize_t target_stat_scsi_auth_intr_show_attr_intr_name(
struct se_dev_entry *deve;
ssize_t ret;
- spin_lock_irq(&nacl->device_list_lock);
- deve = nacl->device_list[lacl->mapped_lun];
- if (!deve->se_lun || !deve->se_lun_acl) {
- spin_unlock_irq(&nacl->device_list_lock);
+ rcu_read_lock();
+ deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
+ if (!deve) {
+ rcu_read_unlock();
return -ENODEV;
}
/* scsiAuthIntrName */
ret = snprintf(page, PAGE_SIZE, "%s\n", nacl->initiatorname);
- spin_unlock_irq(&nacl->device_list_lock);
+ rcu_read_unlock();
return ret;
}
DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(intr_name);
@@ -1220,15 +1143,15 @@ static ssize_t target_stat_scsi_auth_intr_show_attr_map_indx(
struct se_dev_entry *deve;
ssize_t ret;
- spin_lock_irq(&nacl->device_list_lock);
- deve = nacl->device_list[lacl->mapped_lun];
- if (!deve->se_lun || !deve->se_lun_acl) {
- spin_unlock_irq(&nacl->device_list_lock);
+ rcu_read_lock();
+ deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
+ if (!deve) {
+ rcu_read_unlock();
return -ENODEV;
}
/* FIXME: scsiAuthIntrLunMapIndex */
ret = snprintf(page, PAGE_SIZE, "%u\n", 0);
- spin_unlock_irq(&nacl->device_list_lock);
+ rcu_read_unlock();
return ret;
}
DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(map_indx);
@@ -1242,15 +1165,15 @@ static ssize_t target_stat_scsi_auth_intr_show_attr_att_count(
struct se_dev_entry *deve;
ssize_t ret;
- spin_lock_irq(&nacl->device_list_lock);
- deve = nacl->device_list[lacl->mapped_lun];
- if (!deve->se_lun || !deve->se_lun_acl) {
- spin_unlock_irq(&nacl->device_list_lock);
+ rcu_read_lock();
+ deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
+ if (!deve) {
+ rcu_read_unlock();
return -ENODEV;
}
/* scsiAuthIntrAttachedTimes */
ret = snprintf(page, PAGE_SIZE, "%u\n", deve->attach_count);
- spin_unlock_irq(&nacl->device_list_lock);
+ rcu_read_unlock();
return ret;
}
DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(att_count);
@@ -1264,15 +1187,16 @@ static ssize_t target_stat_scsi_auth_intr_show_attr_num_cmds(
struct se_dev_entry *deve;
ssize_t ret;
- spin_lock_irq(&nacl->device_list_lock);
- deve = nacl->device_list[lacl->mapped_lun];
- if (!deve->se_lun || !deve->se_lun_acl) {
- spin_unlock_irq(&nacl->device_list_lock);
+ rcu_read_lock();
+ deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
+ if (!deve) {
+ rcu_read_unlock();
return -ENODEV;
}
/* scsiAuthIntrOutCommands */
- ret = snprintf(page, PAGE_SIZE, "%u\n", deve->total_cmds);
- spin_unlock_irq(&nacl->device_list_lock);
+ ret = snprintf(page, PAGE_SIZE, "%lu\n",
+ atomic_long_read(&deve->total_cmds));
+ rcu_read_unlock();
return ret;
}
DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(num_cmds);
@@ -1286,15 +1210,16 @@ static ssize_t target_stat_scsi_auth_intr_show_attr_read_mbytes(
struct se_dev_entry *deve;
ssize_t ret;
- spin_lock_irq(&nacl->device_list_lock);
- deve = nacl->device_list[lacl->mapped_lun];
- if (!deve->se_lun || !deve->se_lun_acl) {
- spin_unlock_irq(&nacl->device_list_lock);
+ rcu_read_lock();
+ deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
+ if (!deve) {
+ rcu_read_unlock();
return -ENODEV;
}
/* scsiAuthIntrReadMegaBytes */
- ret = snprintf(page, PAGE_SIZE, "%u\n", (u32)(deve->read_bytes >> 20));
- spin_unlock_irq(&nacl->device_list_lock);
+ ret = snprintf(page, PAGE_SIZE, "%u\n",
+ (u32)(atomic_long_read(&deve->read_bytes) >> 20));
+ rcu_read_unlock();
return ret;
}
DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(read_mbytes);
@@ -1308,15 +1233,16 @@ static ssize_t target_stat_scsi_auth_intr_show_attr_write_mbytes(
struct se_dev_entry *deve;
ssize_t ret;
- spin_lock_irq(&nacl->device_list_lock);
- deve = nacl->device_list[lacl->mapped_lun];
- if (!deve->se_lun || !deve->se_lun_acl) {
- spin_unlock_irq(&nacl->device_list_lock);
+ rcu_read_lock();
+ deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
+ if (!deve) {
+ rcu_read_unlock();
return -ENODEV;
}
/* scsiAuthIntrWrittenMegaBytes */
- ret = snprintf(page, PAGE_SIZE, "%u\n", (u32)(deve->write_bytes >> 20));
- spin_unlock_irq(&nacl->device_list_lock);
+ ret = snprintf(page, PAGE_SIZE, "%u\n",
+ (u32)(atomic_long_read(&deve->write_bytes) >> 20));
+ rcu_read_unlock();
return ret;
}
DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(write_mbytes);
@@ -1330,15 +1256,15 @@ static ssize_t target_stat_scsi_auth_intr_show_attr_hs_num_cmds(
struct se_dev_entry *deve;
ssize_t ret;
- spin_lock_irq(&nacl->device_list_lock);
- deve = nacl->device_list[lacl->mapped_lun];
- if (!deve->se_lun || !deve->se_lun_acl) {
- spin_unlock_irq(&nacl->device_list_lock);
+ rcu_read_lock();
+ deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
+ if (!deve) {
+ rcu_read_unlock();
return -ENODEV;
}
/* FIXME: scsiAuthIntrHSOutCommands */
ret = snprintf(page, PAGE_SIZE, "%u\n", 0);
- spin_unlock_irq(&nacl->device_list_lock);
+ rcu_read_unlock();
return ret;
}
DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(hs_num_cmds);
@@ -1352,16 +1278,16 @@ static ssize_t target_stat_scsi_auth_intr_show_attr_creation_time(
struct se_dev_entry *deve;
ssize_t ret;
- spin_lock_irq(&nacl->device_list_lock);
- deve = nacl->device_list[lacl->mapped_lun];
- if (!deve->se_lun || !deve->se_lun_acl) {
- spin_unlock_irq(&nacl->device_list_lock);
+ rcu_read_lock();
+ deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
+ if (!deve) {
+ rcu_read_unlock();
return -ENODEV;
}
/* scsiAuthIntrLastCreation */
ret = snprintf(page, PAGE_SIZE, "%u\n", (u32)(((u32)deve->creation_time -
INITIAL_JIFFIES) * 100 / HZ));
- spin_unlock_irq(&nacl->device_list_lock);
+ rcu_read_unlock();
return ret;
}
DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(creation_time);
@@ -1375,15 +1301,15 @@ static ssize_t target_stat_scsi_auth_intr_show_attr_row_status(
struct se_dev_entry *deve;
ssize_t ret;
- spin_lock_irq(&nacl->device_list_lock);
- deve = nacl->device_list[lacl->mapped_lun];
- if (!deve->se_lun || !deve->se_lun_acl) {
- spin_unlock_irq(&nacl->device_list_lock);
+ rcu_read_lock();
+ deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
+ if (!deve) {
+ rcu_read_unlock();
return -ENODEV;
}
/* FIXME: scsiAuthIntrRowStatus */
ret = snprintf(page, PAGE_SIZE, "Ready\n");
- spin_unlock_irq(&nacl->device_list_lock);
+ rcu_read_unlock();
return ret;
}
DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(row_status);
@@ -1448,17 +1374,17 @@ static ssize_t target_stat_scsi_att_intr_port_show_attr_inst(
struct se_portal_group *tpg;
ssize_t ret;
- spin_lock_irq(&nacl->device_list_lock);
- deve = nacl->device_list[lacl->mapped_lun];
- if (!deve->se_lun || !deve->se_lun_acl) {
- spin_unlock_irq(&nacl->device_list_lock);
+ rcu_read_lock();
+ deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
+ if (!deve) {
+ rcu_read_unlock();
return -ENODEV;
}
tpg = nacl->se_tpg;
/* scsiInstIndex */
ret = snprintf(page, PAGE_SIZE, "%u\n",
tpg->se_tpg_tfo->tpg_get_inst_index(tpg));
- spin_unlock_irq(&nacl->device_list_lock);
+ rcu_read_unlock();
return ret;
}
DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR_RO(inst);
@@ -1473,16 +1399,16 @@ static ssize_t target_stat_scsi_att_intr_port_show_attr_dev(
struct se_lun *lun;
ssize_t ret;
- spin_lock_irq(&nacl->device_list_lock);
- deve = nacl->device_list[lacl->mapped_lun];
- if (!deve->se_lun || !deve->se_lun_acl) {
- spin_unlock_irq(&nacl->device_list_lock);
+ rcu_read_lock();
+ deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
+ if (!deve) {
+ rcu_read_unlock();
return -ENODEV;
}
- lun = deve->se_lun;
+ lun = rcu_dereference(deve->se_lun);
/* scsiDeviceIndex */
- ret = snprintf(page, PAGE_SIZE, "%u\n", lun->lun_se_dev->dev_index);
- spin_unlock_irq(&nacl->device_list_lock);
+ ret = snprintf(page, PAGE_SIZE, "%u\n", lun->lun_index);
+ rcu_read_unlock();
return ret;
}
DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR_RO(dev);
@@ -1497,16 +1423,16 @@ static ssize_t target_stat_scsi_att_intr_port_show_attr_port(
struct se_portal_group *tpg;
ssize_t ret;
- spin_lock_irq(&nacl->device_list_lock);
- deve = nacl->device_list[lacl->mapped_lun];
- if (!deve->se_lun || !deve->se_lun_acl) {
- spin_unlock_irq(&nacl->device_list_lock);
+ rcu_read_lock();
+ deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
+ if (!deve) {
+ rcu_read_unlock();
return -ENODEV;
}
tpg = nacl->se_tpg;
/* scsiPortIndex */
ret = snprintf(page, PAGE_SIZE, "%u\n", tpg->se_tpg_tfo->tpg_get_tag(tpg));
- spin_unlock_irq(&nacl->device_list_lock);
+ rcu_read_unlock();
return ret;
}
DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR_RO(port);
@@ -1546,15 +1472,15 @@ static ssize_t target_stat_scsi_att_intr_port_show_attr_port_auth_indx(
struct se_dev_entry *deve;
ssize_t ret;
- spin_lock_irq(&nacl->device_list_lock);
- deve = nacl->device_list[lacl->mapped_lun];
- if (!deve->se_lun || !deve->se_lun_acl) {
- spin_unlock_irq(&nacl->device_list_lock);
+ rcu_read_lock();
+ deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
+ if (!deve) {
+ rcu_read_unlock();
return -ENODEV;
}
/* scsiAttIntrPortAuthIntrIdx */
ret = snprintf(page, PAGE_SIZE, "%u\n", nacl->acl_index);
- spin_unlock_irq(&nacl->device_list_lock);
+ rcu_read_unlock();
return ret;
}
DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR_RO(port_auth_indx);
diff --git a/drivers/target/target_core_tmr.c b/drivers/target/target_core_tmr.c
index a5bb0c46e57e5c6398903141dcab6075ede4a1f8..5b2820312310ec21bf83824efa318caab132e046 100644
--- a/drivers/target/target_core_tmr.c
+++ b/drivers/target/target_core_tmr.c
@@ -31,7 +31,6 @@
#include <target/target_core_base.h>
#include <target/target_core_backend.h>
#include <target/target_core_fabric.h>
-#include <target/target_core_configfs.h>
#include "target_core_internal.h"
#include "target_core_alua.h"
@@ -115,7 +114,7 @@ void core_tmr_abort_task(
{
struct se_cmd *se_cmd;
unsigned long flags;
- int ref_tag;
+ u64 ref_tag;
spin_lock_irqsave(&se_sess->sess_cmd_lock, flags);
list_for_each_entry(se_cmd, &se_sess->sess_cmd_list, se_cmd_list) {
@@ -127,16 +126,17 @@ void core_tmr_abort_task(
if (se_cmd->se_cmd_flags & SCF_SCSI_TMR_CDB)
continue;
- ref_tag = se_cmd->se_tfo->get_task_tag(se_cmd);
+ ref_tag = se_cmd->tag;
if (tmr->ref_task_tag != ref_tag)
continue;
- printk("ABORT_TASK: Found referenced %s task_tag: %u\n",
+ printk("ABORT_TASK: Found referenced %s task_tag: %llu\n",
se_cmd->se_tfo->get_fabric_name(), ref_tag);
spin_lock(&se_cmd->t_state_lock);
if (se_cmd->transport_state & CMD_T_COMPLETE) {
- printk("ABORT_TASK: ref_tag: %u already complete, skipping\n", ref_tag);
+ printk("ABORT_TASK: ref_tag: %llu already complete,"
+ " skipping\n", ref_tag);
spin_unlock(&se_cmd->t_state_lock);
spin_unlock_irqrestore(&se_sess->sess_cmd_lock, flags);
goto out;
@@ -151,18 +151,18 @@ void core_tmr_abort_task(
cancel_work_sync(&se_cmd->work);
transport_wait_for_tasks(se_cmd);
- target_put_sess_cmd(se_sess, se_cmd);
+ target_put_sess_cmd(se_cmd);
transport_cmd_finish_abort(se_cmd, true);
printk("ABORT_TASK: Sending TMR_FUNCTION_COMPLETE for"
- " ref_tag: %d\n", ref_tag);
+ " ref_tag: %llu\n", ref_tag);
tmr->response = TMR_FUNCTION_COMPLETE;
return;
}
spin_unlock_irqrestore(&se_sess->sess_cmd_lock, flags);
out:
- printk("ABORT_TASK: Sending TMR_TASK_DOES_NOT_EXIST for ref_tag: %d\n",
+ printk("ABORT_TASK: Sending TMR_TASK_DOES_NOT_EXIST for ref_tag: %lld\n",
tmr->ref_task_tag);
tmr->response = TMR_TASK_DOES_NOT_EXIST;
}
@@ -287,16 +287,16 @@ static void core_tmr_drain_state_list(
list_del(&cmd->state_list);
pr_debug("LUN_RESET: %s cmd: %p"
- " ITT/CmdSN: 0x%08x/0x%08x, i_state: %d, t_state: %d"
+ " ITT/CmdSN: 0x%08llx/0x%08x, i_state: %d, t_state: %d"
"cdb: 0x%02x\n",
(preempt_and_abort_list) ? "Preempt" : "", cmd,
- cmd->se_tfo->get_task_tag(cmd), 0,
+ cmd->tag, 0,
cmd->se_tfo->get_cmd_state(cmd), cmd->t_state,
cmd->t_task_cdb[0]);
- pr_debug("LUN_RESET: ITT[0x%08x] - pr_res_key: 0x%016Lx"
+ pr_debug("LUN_RESET: ITT[0x%08llx] - pr_res_key: 0x%016Lx"
" -- CMD_T_ACTIVE: %d"
" CMD_T_STOP: %d CMD_T_SENT: %d\n",
- cmd->se_tfo->get_task_tag(cmd), cmd->pr_res_key,
+ cmd->tag, cmd->pr_res_key,
(cmd->transport_state & CMD_T_ACTIVE) != 0,
(cmd->transport_state & CMD_T_STOP) != 0,
(cmd->transport_state & CMD_T_SENT) != 0);
diff --git a/drivers/target/target_core_tpg.c b/drivers/target/target_core_tpg.c
index 84de757bd4580b04b1519934e71eb24606bbd3a6..babde4ad841f18a7956c7d56b1d23ff1f075e3d3 100644
--- a/drivers/target/target_core_tpg.c
+++ b/drivers/target/target_core_tpg.c
@@ -39,6 +39,7 @@
#include <target/target_core_fabric.h>
#include "target_core_internal.h"
+#include "target_core_alua.h"
#include "target_core_pr.h"
extern struct se_device *g_lun0_dev;
@@ -46,45 +47,9 @@ extern struct se_device *g_lun0_dev;
static DEFINE_SPINLOCK(tpg_lock);
static LIST_HEAD(tpg_list);
-/* core_clear_initiator_node_from_tpg():
- *
- *
- */
-static void core_clear_initiator_node_from_tpg(
- struct se_node_acl *nacl,
- struct se_portal_group *tpg)
-{
- int i;
- struct se_dev_entry *deve;
- struct se_lun *lun;
-
- spin_lock_irq(&nacl->device_list_lock);
- for (i = 0; i < TRANSPORT_MAX_LUNS_PER_TPG; i++) {
- deve = nacl->device_list[i];
-
- if (!(deve->lun_flags & TRANSPORT_LUNFLAGS_INITIATOR_ACCESS))
- continue;
-
- if (!deve->se_lun) {
- pr_err("%s device entries device pointer is"
- " NULL, but Initiator has access.\n",
- tpg->se_tpg_tfo->get_fabric_name());
- continue;
- }
-
- lun = deve->se_lun;
- spin_unlock_irq(&nacl->device_list_lock);
- core_disable_device_list_for_node(lun, NULL, deve->mapped_lun,
- TRANSPORT_LUNFLAGS_NO_ACCESS, nacl, tpg);
-
- spin_lock_irq(&nacl->device_list_lock);
- }
- spin_unlock_irq(&nacl->device_list_lock);
-}
-
/* __core_tpg_get_initiator_node_acl():
*
- * spin_lock_bh(&tpg->acl_node_lock); must be held when calling
+ * mutex_lock(&tpg->acl_node_mutex); must be held when calling
*/
struct se_node_acl *__core_tpg_get_initiator_node_acl(
struct se_portal_group *tpg,
@@ -110,9 +75,9 @@ struct se_node_acl *core_tpg_get_initiator_node_acl(
{
struct se_node_acl *acl;
- spin_lock_irq(&tpg->acl_node_lock);
+ mutex_lock(&tpg->acl_node_mutex);
acl = __core_tpg_get_initiator_node_acl(tpg, initiatorname);
- spin_unlock_irq(&tpg->acl_node_lock);
+ mutex_unlock(&tpg->acl_node_mutex);
return acl;
}
@@ -124,22 +89,20 @@ EXPORT_SYMBOL(core_tpg_get_initiator_node_acl);
*/
void core_tpg_add_node_to_devs(
struct se_node_acl *acl,
- struct se_portal_group *tpg)
+ struct se_portal_group *tpg,
+ struct se_lun *lun_orig)
{
- int i = 0;
u32 lun_access = 0;
struct se_lun *lun;
struct se_device *dev;
- spin_lock(&tpg->tpg_lun_lock);
- for (i = 0; i < TRANSPORT_MAX_LUNS_PER_TPG; i++) {
- lun = tpg->tpg_lun_list[i];
- if (lun->lun_status != TRANSPORT_LUN_STATUS_ACTIVE)
+ mutex_lock(&tpg->tpg_lun_mutex);
+ hlist_for_each_entry_rcu(lun, &tpg->tpg_lun_hlist, link) {
+ if (lun_orig && lun != lun_orig)
continue;
- spin_unlock(&tpg->tpg_lun_lock);
-
- dev = lun->lun_se_dev;
+ dev = rcu_dereference_check(lun->lun_se_dev,
+ lockdep_is_held(&tpg->tpg_lun_mutex));
/*
* By default in LIO-Target $FABRIC_MOD,
* demo_mode_write_protect is ON, or READ_ONLY;
@@ -157,7 +120,7 @@ void core_tpg_add_node_to_devs(
lun_access = TRANSPORT_LUNFLAGS_READ_WRITE;
}
- pr_debug("TARGET_CORE[%s]->TPG[%u]_LUN[%u] - Adding %s"
+ pr_debug("TARGET_CORE[%s]->TPG[%u]_LUN[%llu] - Adding %s"
" access for LUN in Demo Mode\n",
tpg->se_tpg_tfo->get_fabric_name(),
tpg->se_tpg_tfo->tpg_get_tag(tpg), lun->unpacked_lun,
@@ -165,7 +128,7 @@ void core_tpg_add_node_to_devs(
"READ-WRITE" : "READ-ONLY");
core_enable_device_list_for_node(lun, NULL, lun->unpacked_lun,
- lun_access, acl, tpg);
+ lun_access, acl, tpg);
/*
* Check to see if there are any existing persistent reservation
* APTPL pre-registrations that need to be enabled for this dynamic
@@ -173,9 +136,8 @@ void core_tpg_add_node_to_devs(
*/
core_scsi3_check_aptpl_registration(dev, tpg, lun, acl,
lun->unpacked_lun);
- spin_lock(&tpg->tpg_lun_lock);
}
- spin_unlock(&tpg->tpg_lun_lock);
+ mutex_unlock(&tpg->tpg_lun_mutex);
}
/* core_set_queue_depth_for_node():
@@ -196,67 +158,63 @@ static int core_set_queue_depth_for_node(
return 0;
}
-void array_free(void *array, int n)
+static struct se_node_acl *target_alloc_node_acl(struct se_portal_group *tpg,
+ const unsigned char *initiatorname)
{
- void **a = array;
- int i;
+ struct se_node_acl *acl;
- for (i = 0; i < n; i++)
- kfree(a[i]);
- kfree(a);
-}
+ acl = kzalloc(max(sizeof(*acl), tpg->se_tpg_tfo->node_acl_size),
+ GFP_KERNEL);
+ if (!acl)
+ return NULL;
-static void *array_zalloc(int n, size_t size, gfp_t flags)
-{
- void **a;
- int i;
+ INIT_LIST_HEAD(&acl->acl_list);
+ INIT_LIST_HEAD(&acl->acl_sess_list);
+ INIT_HLIST_HEAD(&acl->lun_entry_hlist);
+ kref_init(&acl->acl_kref);
+ init_completion(&acl->acl_free_comp);
+ spin_lock_init(&acl->nacl_sess_lock);
+ mutex_init(&acl->lun_entry_mutex);
+ atomic_set(&acl->acl_pr_ref_count, 0);
+ if (tpg->se_tpg_tfo->tpg_get_default_depth)
+ acl->queue_depth = tpg->se_tpg_tfo->tpg_get_default_depth(tpg);
+ else
+ acl->queue_depth = 1;
+ snprintf(acl->initiatorname, TRANSPORT_IQN_LEN, "%s", initiatorname);
+ acl->se_tpg = tpg;
+ acl->acl_index = scsi_get_new_index(SCSI_AUTH_INTR_INDEX);
- a = kzalloc(n * sizeof(void*), flags);
- if (!a)
- return NULL;
- for (i = 0; i < n; i++) {
- a[i] = kzalloc(size, flags);
- if (!a[i]) {
- array_free(a, n);
- return NULL;
- }
- }
- return a;
+ tpg->se_tpg_tfo->set_default_node_attributes(acl);
+
+ if (core_set_queue_depth_for_node(tpg, acl) < 0)
+ goto out_free_acl;
+
+ return acl;
+
+out_free_acl:
+ kfree(acl);
+ return NULL;
}
-/* core_create_device_list_for_node():
- *
- *
- */
-static int core_create_device_list_for_node(struct se_node_acl *nacl)
+static void target_add_node_acl(struct se_node_acl *acl)
{
- struct se_dev_entry *deve;
- int i;
-
- nacl->device_list = array_zalloc(TRANSPORT_MAX_LUNS_PER_TPG,
- sizeof(struct se_dev_entry), GFP_KERNEL);
- if (!nacl->device_list) {
- pr_err("Unable to allocate memory for"
- " struct se_node_acl->device_list\n");
- return -ENOMEM;
- }
- for (i = 0; i < TRANSPORT_MAX_LUNS_PER_TPG; i++) {
- deve = nacl->device_list[i];
-
- atomic_set(&deve->ua_count, 0);
- atomic_set(&deve->pr_ref_count, 0);
- spin_lock_init(&deve->ua_lock);
- INIT_LIST_HEAD(&deve->alua_port_list);
- INIT_LIST_HEAD(&deve->ua_list);
- }
+ struct se_portal_group *tpg = acl->se_tpg;
- return 0;
+ mutex_lock(&tpg->acl_node_mutex);
+ list_add_tail(&acl->acl_list, &tpg->acl_node_list);
+ tpg->num_node_acls++;
+ mutex_unlock(&tpg->acl_node_mutex);
+
+ pr_debug("%s_TPG[%hu] - Added %s ACL with TCQ Depth: %d for %s"
+ " Initiator Node: %s\n",
+ tpg->se_tpg_tfo->get_fabric_name(),
+ tpg->se_tpg_tfo->tpg_get_tag(tpg),
+ acl->dynamic_node_acl ? "DYNAMIC" : "",
+ acl->queue_depth,
+ tpg->se_tpg_tfo->get_fabric_name(),
+ acl->initiatorname);
}
-/* core_tpg_check_initiator_node_acl()
- *
- *
- */
struct se_node_acl *core_tpg_check_initiator_node_acl(
struct se_portal_group *tpg,
unsigned char *initiatorname)
@@ -270,35 +228,11 @@ struct se_node_acl *core_tpg_check_initiator_node_acl(
if (!tpg->se_tpg_tfo->tpg_check_demo_mode(tpg))
return NULL;
- acl = tpg->se_tpg_tfo->tpg_alloc_fabric_acl(tpg);
+ acl = target_alloc_node_acl(tpg, initiatorname);
if (!acl)
return NULL;
-
- INIT_LIST_HEAD(&acl->acl_list);
- INIT_LIST_HEAD(&acl->acl_sess_list);
- kref_init(&acl->acl_kref);
- init_completion(&acl->acl_free_comp);
- spin_lock_init(&acl->device_list_lock);
- spin_lock_init(&acl->nacl_sess_lock);
- atomic_set(&acl->acl_pr_ref_count, 0);
- acl->queue_depth = tpg->se_tpg_tfo->tpg_get_default_depth(tpg);
- snprintf(acl->initiatorname, TRANSPORT_IQN_LEN, "%s", initiatorname);
- acl->se_tpg = tpg;
- acl->acl_index = scsi_get_new_index(SCSI_AUTH_INTR_INDEX);
acl->dynamic_node_acl = 1;
- tpg->se_tpg_tfo->set_default_node_attributes(acl);
-
- if (core_create_device_list_for_node(acl) < 0) {
- tpg->se_tpg_tfo->tpg_release_fabric_acl(tpg, acl);
- return NULL;
- }
-
- if (core_set_queue_depth_for_node(tpg, acl) < 0) {
- core_free_device_list_for_node(acl, tpg);
- tpg->se_tpg_tfo->tpg_release_fabric_acl(tpg, acl);
- return NULL;
- }
/*
* Here we only create demo-mode MappedLUNs from the active
* TPG LUNs if the fabric is not explicitly asking for
@@ -306,18 +240,9 @@ struct se_node_acl *core_tpg_check_initiator_node_acl(
*/
if ((tpg->se_tpg_tfo->tpg_check_demo_mode_login_only == NULL) ||
(tpg->se_tpg_tfo->tpg_check_demo_mode_login_only(tpg) != 1))
- core_tpg_add_node_to_devs(acl, tpg);
-
- spin_lock_irq(&tpg->acl_node_lock);
- list_add_tail(&acl->acl_list, &tpg->acl_node_list);
- tpg->num_node_acls++;
- spin_unlock_irq(&tpg->acl_node_lock);
-
- pr_debug("%s_TPG[%u] - Added DYNAMIC ACL with TCQ Depth: %d for %s"
- " Initiator Node: %s\n", tpg->se_tpg_tfo->get_fabric_name(),
- tpg->se_tpg_tfo->tpg_get_tag(tpg), acl->queue_depth,
- tpg->se_tpg_tfo->get_fabric_name(), initiatorname);
+ core_tpg_add_node_to_devs(acl, tpg, NULL);
+ target_add_node_acl(acl);
return acl;
}
EXPORT_SYMBOL(core_tpg_check_initiator_node_acl);
@@ -328,40 +253,13 @@ void core_tpg_wait_for_nacl_pr_ref(struct se_node_acl *nacl)
cpu_relax();
}
-void core_tpg_clear_object_luns(struct se_portal_group *tpg)
-{
- int i;
- struct se_lun *lun;
-
- spin_lock(&tpg->tpg_lun_lock);
- for (i = 0; i < TRANSPORT_MAX_LUNS_PER_TPG; i++) {
- lun = tpg->tpg_lun_list[i];
-
- if ((lun->lun_status != TRANSPORT_LUN_STATUS_ACTIVE) ||
- (lun->lun_se_dev == NULL))
- continue;
-
- spin_unlock(&tpg->tpg_lun_lock);
- core_dev_del_lun(tpg, lun);
- spin_lock(&tpg->tpg_lun_lock);
- }
- spin_unlock(&tpg->tpg_lun_lock);
-}
-EXPORT_SYMBOL(core_tpg_clear_object_luns);
-
-/* core_tpg_add_initiator_node_acl():
- *
- *
- */
struct se_node_acl *core_tpg_add_initiator_node_acl(
struct se_portal_group *tpg,
- struct se_node_acl *se_nacl,
- const char *initiatorname,
- u32 queue_depth)
+ const char *initiatorname)
{
- struct se_node_acl *acl = NULL;
+ struct se_node_acl *acl;
- spin_lock_irq(&tpg->acl_node_lock);
+ mutex_lock(&tpg->acl_node_mutex);
acl = __core_tpg_get_initiator_node_acl(tpg, initiatorname);
if (acl) {
if (acl->dynamic_node_acl) {
@@ -369,99 +267,42 @@ struct se_node_acl *core_tpg_add_initiator_node_acl(
pr_debug("%s_TPG[%u] - Replacing dynamic ACL"
" for %s\n", tpg->se_tpg_tfo->get_fabric_name(),
tpg->se_tpg_tfo->tpg_get_tag(tpg), initiatorname);
- spin_unlock_irq(&tpg->acl_node_lock);
- /*
- * Release the locally allocated struct se_node_acl
- * because * core_tpg_add_initiator_node_acl() returned
- * a pointer to an existing demo mode node ACL.
- */
- if (se_nacl)
- tpg->se_tpg_tfo->tpg_release_fabric_acl(tpg,
- se_nacl);
- goto done;
+ mutex_unlock(&tpg->acl_node_mutex);
+ return acl;
}
pr_err("ACL entry for %s Initiator"
" Node %s already exists for TPG %u, ignoring"
" request.\n", tpg->se_tpg_tfo->get_fabric_name(),
initiatorname, tpg->se_tpg_tfo->tpg_get_tag(tpg));
- spin_unlock_irq(&tpg->acl_node_lock);
+ mutex_unlock(&tpg->acl_node_mutex);
return ERR_PTR(-EEXIST);
}
- spin_unlock_irq(&tpg->acl_node_lock);
-
- if (!se_nacl) {
- pr_err("struct se_node_acl pointer is NULL\n");
- return ERR_PTR(-EINVAL);
- }
- /*
- * For v4.x logic the se_node_acl_s is hanging off a fabric
- * dependent structure allocated via
- * struct target_core_fabric_ops->fabric_make_nodeacl()
- */
- acl = se_nacl;
+ mutex_unlock(&tpg->acl_node_mutex);
- INIT_LIST_HEAD(&acl->acl_list);
- INIT_LIST_HEAD(&acl->acl_sess_list);
- kref_init(&acl->acl_kref);
- init_completion(&acl->acl_free_comp);
- spin_lock_init(&acl->device_list_lock);
- spin_lock_init(&acl->nacl_sess_lock);
- atomic_set(&acl->acl_pr_ref_count, 0);
- acl->queue_depth = queue_depth;
- snprintf(acl->initiatorname, TRANSPORT_IQN_LEN, "%s", initiatorname);
- acl->se_tpg = tpg;
- acl->acl_index = scsi_get_new_index(SCSI_AUTH_INTR_INDEX);
-
- tpg->se_tpg_tfo->set_default_node_attributes(acl);
-
- if (core_create_device_list_for_node(acl) < 0) {
- tpg->se_tpg_tfo->tpg_release_fabric_acl(tpg, acl);
+ acl = target_alloc_node_acl(tpg, initiatorname);
+ if (!acl)
return ERR_PTR(-ENOMEM);
- }
-
- if (core_set_queue_depth_for_node(tpg, acl) < 0) {
- core_free_device_list_for_node(acl, tpg);
- tpg->se_tpg_tfo->tpg_release_fabric_acl(tpg, acl);
- return ERR_PTR(-EINVAL);
- }
-
- spin_lock_irq(&tpg->acl_node_lock);
- list_add_tail(&acl->acl_list, &tpg->acl_node_list);
- tpg->num_node_acls++;
- spin_unlock_irq(&tpg->acl_node_lock);
-
-done:
- pr_debug("%s_TPG[%hu] - Added ACL with TCQ Depth: %d for %s"
- " Initiator Node: %s\n", tpg->se_tpg_tfo->get_fabric_name(),
- tpg->se_tpg_tfo->tpg_get_tag(tpg), acl->queue_depth,
- tpg->se_tpg_tfo->get_fabric_name(), initiatorname);
+ target_add_node_acl(acl);
return acl;
}
-EXPORT_SYMBOL(core_tpg_add_initiator_node_acl);
-/* core_tpg_del_initiator_node_acl():
- *
- *
- */
-int core_tpg_del_initiator_node_acl(
- struct se_portal_group *tpg,
- struct se_node_acl *acl,
- int force)
+void core_tpg_del_initiator_node_acl(struct se_node_acl *acl)
{
+ struct se_portal_group *tpg = acl->se_tpg;
LIST_HEAD(sess_list);
struct se_session *sess, *sess_tmp;
unsigned long flags;
int rc;
- spin_lock_irq(&tpg->acl_node_lock);
+ mutex_lock(&tpg->acl_node_mutex);
if (acl->dynamic_node_acl) {
acl->dynamic_node_acl = 0;
}
list_del(&acl->acl_list);
tpg->num_node_acls--;
- spin_unlock_irq(&tpg->acl_node_lock);
+ mutex_unlock(&tpg->acl_node_mutex);
spin_lock_irqsave(&acl->nacl_sess_lock, flags);
acl->acl_stop = 1;
@@ -493,7 +334,6 @@ int core_tpg_del_initiator_node_acl(
wait_for_completion(&acl->acl_free_comp);
core_tpg_wait_for_nacl_pr_ref(acl);
- core_clear_initiator_node_from_tpg(acl, tpg);
core_free_device_list_for_node(acl, tpg);
pr_debug("%s_TPG[%hu] - Deleted ACL with TCQ Depth: %d for %s"
@@ -501,9 +341,8 @@ int core_tpg_del_initiator_node_acl(
tpg->se_tpg_tfo->tpg_get_tag(tpg), acl->queue_depth,
tpg->se_tpg_tfo->get_fabric_name(), acl->initiatorname);
- return 0;
+ kfree(acl);
}
-EXPORT_SYMBOL(core_tpg_del_initiator_node_acl);
/* core_tpg_set_initiator_node_queue_depth():
*
@@ -520,21 +359,21 @@ int core_tpg_set_initiator_node_queue_depth(
unsigned long flags;
int dynamic_acl = 0;
- spin_lock_irq(&tpg->acl_node_lock);
+ mutex_lock(&tpg->acl_node_mutex);
acl = __core_tpg_get_initiator_node_acl(tpg, initiatorname);
if (!acl) {
pr_err("Access Control List entry for %s Initiator"
" Node %s does not exists for TPG %hu, ignoring"
" request.\n", tpg->se_tpg_tfo->get_fabric_name(),
initiatorname, tpg->se_tpg_tfo->tpg_get_tag(tpg));
- spin_unlock_irq(&tpg->acl_node_lock);
+ mutex_unlock(&tpg->acl_node_mutex);
return -ENODEV;
}
if (acl->dynamic_node_acl) {
acl->dynamic_node_acl = 0;
dynamic_acl = 1;
}
- spin_unlock_irq(&tpg->acl_node_lock);
+ mutex_unlock(&tpg->acl_node_mutex);
spin_lock_irqsave(&tpg->session_lock, flags);
list_for_each_entry(sess, &tpg->tpg_sess_list, sess_list) {
@@ -550,10 +389,10 @@ int core_tpg_set_initiator_node_queue_depth(
tpg->se_tpg_tfo->get_fabric_name(), initiatorname);
spin_unlock_irqrestore(&tpg->session_lock, flags);
- spin_lock_irq(&tpg->acl_node_lock);
+ mutex_lock(&tpg->acl_node_mutex);
if (dynamic_acl)
acl->dynamic_node_acl = 1;
- spin_unlock_irq(&tpg->acl_node_lock);
+ mutex_unlock(&tpg->acl_node_mutex);
return -EEXIST;
}
/*
@@ -588,10 +427,10 @@ int core_tpg_set_initiator_node_queue_depth(
if (init_sess)
tpg->se_tpg_tfo->close_session(init_sess);
- spin_lock_irq(&tpg->acl_node_lock);
+ mutex_lock(&tpg->acl_node_mutex);
if (dynamic_acl)
acl->dynamic_node_acl = 1;
- spin_unlock_irq(&tpg->acl_node_lock);
+ mutex_unlock(&tpg->acl_node_mutex);
return -EINVAL;
}
spin_unlock_irqrestore(&tpg->session_lock, flags);
@@ -607,10 +446,10 @@ int core_tpg_set_initiator_node_queue_depth(
initiatorname, tpg->se_tpg_tfo->get_fabric_name(),
tpg->se_tpg_tfo->tpg_get_tag(tpg));
- spin_lock_irq(&tpg->acl_node_lock);
+ mutex_lock(&tpg->acl_node_mutex);
if (dynamic_acl)
acl->dynamic_node_acl = 1;
- spin_unlock_irq(&tpg->acl_node_lock);
+ mutex_unlock(&tpg->acl_node_mutex);
return 0;
}
@@ -646,78 +485,54 @@ static void core_tpg_lun_ref_release(struct percpu_ref *ref)
complete(&lun->lun_ref_comp);
}
-static int core_tpg_setup_virtual_lun0(struct se_portal_group *se_tpg)
-{
- /* Set in core_dev_setup_virtual_lun0() */
- struct se_device *dev = g_lun0_dev;
- struct se_lun *lun = &se_tpg->tpg_virt_lun0;
- u32 lun_access = TRANSPORT_LUNFLAGS_READ_ONLY;
- int ret;
-
- lun->unpacked_lun = 0;
- lun->lun_status = TRANSPORT_LUN_STATUS_FREE;
- atomic_set(&lun->lun_acl_count, 0);
- init_completion(&lun->lun_shutdown_comp);
- INIT_LIST_HEAD(&lun->lun_acl_list);
- spin_lock_init(&lun->lun_acl_lock);
- spin_lock_init(&lun->lun_sep_lock);
- init_completion(&lun->lun_ref_comp);
-
- ret = core_tpg_add_lun(se_tpg, lun, lun_access, dev);
- if (ret < 0)
- return ret;
-
- return 0;
-}
-
int core_tpg_register(
- const struct target_core_fabric_ops *tfo,
struct se_wwn *se_wwn,
struct se_portal_group *se_tpg,
- void *tpg_fabric_ptr,
- int se_tpg_type)
+ int proto_id)
{
- struct se_lun *lun;
- u32 i;
-
- se_tpg->tpg_lun_list = array_zalloc(TRANSPORT_MAX_LUNS_PER_TPG,
- sizeof(struct se_lun), GFP_KERNEL);
- if (!se_tpg->tpg_lun_list) {
- pr_err("Unable to allocate struct se_portal_group->"
- "tpg_lun_list\n");
- return -ENOMEM;
- }
+ int ret;
+
+ if (!se_tpg)
+ return -EINVAL;
+ /*
+ * For the typical case where core_tpg_register() is called by a
+ * fabric driver from target_core_fabric_ops->fabric_make_tpg()
+ * configfs context, use the original tf_ops pointer already saved
+ * by target-core in target_fabric_make_wwn().
+ *
+ * Otherwise, for special cases like iscsi-target discovery TPGs
+ * the caller is responsible for setting ->se_tpg_tfo ahead of
+ * calling core_tpg_register().
+ */
+ if (se_wwn)
+ se_tpg->se_tpg_tfo = se_wwn->wwn_tf->tf_ops;
- for (i = 0; i < TRANSPORT_MAX_LUNS_PER_TPG; i++) {
- lun = se_tpg->tpg_lun_list[i];
- lun->unpacked_lun = i;
- lun->lun_link_magic = SE_LUN_LINK_MAGIC;
- lun->lun_status = TRANSPORT_LUN_STATUS_FREE;
- atomic_set(&lun->lun_acl_count, 0);
- init_completion(&lun->lun_shutdown_comp);
- INIT_LIST_HEAD(&lun->lun_acl_list);
- spin_lock_init(&lun->lun_acl_lock);
- spin_lock_init(&lun->lun_sep_lock);
- init_completion(&lun->lun_ref_comp);
+ if (!se_tpg->se_tpg_tfo) {
+ pr_err("Unable to locate se_tpg->se_tpg_tfo pointer\n");
+ return -EINVAL;
}
- se_tpg->se_tpg_type = se_tpg_type;
- se_tpg->se_tpg_fabric_ptr = tpg_fabric_ptr;
- se_tpg->se_tpg_tfo = tfo;
+ INIT_HLIST_HEAD(&se_tpg->tpg_lun_hlist);
+ se_tpg->proto_id = proto_id;
se_tpg->se_tpg_wwn = se_wwn;
atomic_set(&se_tpg->tpg_pr_ref_count, 0);
INIT_LIST_HEAD(&se_tpg->acl_node_list);
INIT_LIST_HEAD(&se_tpg->se_tpg_node);
INIT_LIST_HEAD(&se_tpg->tpg_sess_list);
- spin_lock_init(&se_tpg->acl_node_lock);
spin_lock_init(&se_tpg->session_lock);
- spin_lock_init(&se_tpg->tpg_lun_lock);
-
- if (se_tpg->se_tpg_type == TRANSPORT_TPG_TYPE_NORMAL) {
- if (core_tpg_setup_virtual_lun0(se_tpg) < 0) {
- array_free(se_tpg->tpg_lun_list,
- TRANSPORT_MAX_LUNS_PER_TPG);
- return -ENOMEM;
+ mutex_init(&se_tpg->tpg_lun_mutex);
+ mutex_init(&se_tpg->acl_node_mutex);
+
+ if (se_tpg->proto_id >= 0) {
+ se_tpg->tpg_virt_lun0 = core_tpg_alloc_lun(se_tpg, 0);
+ if (IS_ERR(se_tpg->tpg_virt_lun0))
+ return PTR_ERR(se_tpg->tpg_virt_lun0);
+
+ ret = core_tpg_add_lun(se_tpg, se_tpg->tpg_virt_lun0,
+ TRANSPORT_LUNFLAGS_READ_ONLY, g_lun0_dev);
+ if (ret < 0) {
+ kfree(se_tpg->tpg_virt_lun0);
+ return ret;
}
}
@@ -725,11 +540,11 @@ int core_tpg_register(
list_add_tail(&se_tpg->se_tpg_node, &tpg_list);
spin_unlock_bh(&tpg_lock);
- pr_debug("TARGET_CORE[%s]: Allocated %s struct se_portal_group for"
- " endpoint: %s, Portal Tag: %u\n", tfo->get_fabric_name(),
- (se_tpg->se_tpg_type == TRANSPORT_TPG_TYPE_NORMAL) ?
- "Normal" : "Discovery", (tfo->tpg_get_wwn(se_tpg) == NULL) ?
- "None" : tfo->tpg_get_wwn(se_tpg), tfo->tpg_get_tag(se_tpg));
+ pr_debug("TARGET_CORE[%s]: Allocated portal_group for endpoint: %s, "
+ "Proto: %d, Portal Tag: %u\n", se_tpg->se_tpg_tfo->get_fabric_name(),
+ se_tpg->se_tpg_tfo->tpg_get_wwn(se_tpg) ?
+ se_tpg->se_tpg_tfo->tpg_get_wwn(se_tpg) : NULL,
+ se_tpg->proto_id, se_tpg->se_tpg_tfo->tpg_get_tag(se_tpg));
return 0;
}
@@ -737,14 +552,14 @@ EXPORT_SYMBOL(core_tpg_register);
int core_tpg_deregister(struct se_portal_group *se_tpg)
{
+ const struct target_core_fabric_ops *tfo = se_tpg->se_tpg_tfo;
struct se_node_acl *nacl, *nacl_tmp;
+ LIST_HEAD(node_list);
- pr_debug("TARGET_CORE[%s]: Deallocating %s struct se_portal_group"
- " for endpoint: %s Portal Tag %u\n",
- (se_tpg->se_tpg_type == TRANSPORT_TPG_TYPE_NORMAL) ?
- "Normal" : "Discovery", se_tpg->se_tpg_tfo->get_fabric_name(),
- se_tpg->se_tpg_tfo->tpg_get_wwn(se_tpg),
- se_tpg->se_tpg_tfo->tpg_get_tag(se_tpg));
+ pr_debug("TARGET_CORE[%s]: Deallocating portal_group for endpoint: %s, "
+ "Proto: %d, Portal Tag: %u\n", tfo->get_fabric_name(),
+ tfo->tpg_get_wwn(se_tpg) ? tfo->tpg_get_wwn(se_tpg) : NULL,
+ se_tpg->proto_id, tfo->tpg_get_tag(se_tpg));
spin_lock_bh(&tpg_lock);
list_del(&se_tpg->se_tpg_node);
@@ -752,61 +567,56 @@ int core_tpg_deregister(struct se_portal_group *se_tpg)
while (atomic_read(&se_tpg->tpg_pr_ref_count) != 0)
cpu_relax();
+
+ mutex_lock(&se_tpg->acl_node_mutex);
+ list_splice_init(&se_tpg->acl_node_list, &node_list);
+ mutex_unlock(&se_tpg->acl_node_mutex);
/*
* Release any remaining demo-mode generated se_node_acl that have
* not been released because of TFO->tpg_check_demo_mode_cache() == 1
* in transport_deregister_session().
*/
- spin_lock_irq(&se_tpg->acl_node_lock);
- list_for_each_entry_safe(nacl, nacl_tmp, &se_tpg->acl_node_list,
- acl_list) {
+ list_for_each_entry_safe(nacl, nacl_tmp, &node_list, acl_list) {
list_del(&nacl->acl_list);
se_tpg->num_node_acls--;
- spin_unlock_irq(&se_tpg->acl_node_lock);
core_tpg_wait_for_nacl_pr_ref(nacl);
core_free_device_list_for_node(nacl, se_tpg);
- se_tpg->se_tpg_tfo->tpg_release_fabric_acl(se_tpg, nacl);
-
- spin_lock_irq(&se_tpg->acl_node_lock);
+ kfree(nacl);
}
- spin_unlock_irq(&se_tpg->acl_node_lock);
- if (se_tpg->se_tpg_type == TRANSPORT_TPG_TYPE_NORMAL)
- core_tpg_remove_lun(se_tpg, &se_tpg->tpg_virt_lun0);
+ if (se_tpg->proto_id >= 0) {
+ core_tpg_remove_lun(se_tpg, se_tpg->tpg_virt_lun0);
+ kfree_rcu(se_tpg->tpg_virt_lun0, rcu_head);
+ }
- se_tpg->se_tpg_fabric_ptr = NULL;
- array_free(se_tpg->tpg_lun_list, TRANSPORT_MAX_LUNS_PER_TPG);
return 0;
}
EXPORT_SYMBOL(core_tpg_deregister);
struct se_lun *core_tpg_alloc_lun(
struct se_portal_group *tpg,
- u32 unpacked_lun)
+ u64 unpacked_lun)
{
struct se_lun *lun;
- if (unpacked_lun > (TRANSPORT_MAX_LUNS_PER_TPG-1)) {
- pr_err("%s LUN: %u exceeds TRANSPORT_MAX_LUNS_PER_TPG"
- "-1: %u for Target Portal Group: %u\n",
- tpg->se_tpg_tfo->get_fabric_name(),
- unpacked_lun, TRANSPORT_MAX_LUNS_PER_TPG-1,
- tpg->se_tpg_tfo->tpg_get_tag(tpg));
- return ERR_PTR(-EOVERFLOW);
- }
-
- spin_lock(&tpg->tpg_lun_lock);
- lun = tpg->tpg_lun_list[unpacked_lun];
- if (lun->lun_status == TRANSPORT_LUN_STATUS_ACTIVE) {
- pr_err("TPG Logical Unit Number: %u is already active"
- " on %s Target Portal Group: %u, ignoring request.\n",
- unpacked_lun, tpg->se_tpg_tfo->get_fabric_name(),
- tpg->se_tpg_tfo->tpg_get_tag(tpg));
- spin_unlock(&tpg->tpg_lun_lock);
- return ERR_PTR(-EINVAL);
+ lun = kzalloc(sizeof(*lun), GFP_KERNEL);
+ if (!lun) {
+ pr_err("Unable to allocate se_lun memory\n");
+ return ERR_PTR(-ENOMEM);
}
- spin_unlock(&tpg->tpg_lun_lock);
+ lun->unpacked_lun = unpacked_lun;
+ lun->lun_link_magic = SE_LUN_LINK_MAGIC;
+ atomic_set(&lun->lun_acl_count, 0);
+ init_completion(&lun->lun_ref_comp);
+ INIT_LIST_HEAD(&lun->lun_deve_list);
+ INIT_LIST_HEAD(&lun->lun_dev_link);
+ atomic_set(&lun->lun_tg_pt_secondary_offline, 0);
+ spin_lock_init(&lun->lun_deve_lock);
+ mutex_init(&lun->lun_tg_pt_md_mutex);
+ INIT_LIST_HEAD(&lun->lun_tg_pt_gp_link);
+ spin_lock_init(&lun->lun_tg_pt_gp_lock);
+ lun->lun_tpg = tpg;
return lun;
}
@@ -822,34 +632,70 @@ int core_tpg_add_lun(
ret = percpu_ref_init(&lun->lun_ref, core_tpg_lun_ref_release, 0,
GFP_KERNEL);
if (ret < 0)
- return ret;
+ goto out;
- ret = core_dev_export(dev, tpg, lun);
- if (ret < 0) {
- percpu_ref_exit(&lun->lun_ref);
- return ret;
- }
+ ret = core_alloc_rtpi(lun, dev);
+ if (ret)
+ goto out_kill_ref;
+
+ if (!(dev->transport->transport_flags & TRANSPORT_FLAG_PASSTHROUGH) &&
+ !(dev->se_hba->hba_flags & HBA_FLAGS_INTERNAL_USE))
+ target_attach_tg_pt_gp(lun, dev->t10_alua.default_tg_pt_gp);
+
+ mutex_lock(&tpg->tpg_lun_mutex);
+
+ spin_lock(&dev->se_port_lock);
+ lun->lun_index = dev->dev_index;
+ rcu_assign_pointer(lun->lun_se_dev, dev);
+ dev->export_count++;
+ list_add_tail(&lun->lun_dev_link, &dev->dev_sep_list);
+ spin_unlock(&dev->se_port_lock);
- spin_lock(&tpg->tpg_lun_lock);
lun->lun_access = lun_access;
- lun->lun_status = TRANSPORT_LUN_STATUS_ACTIVE;
- spin_unlock(&tpg->tpg_lun_lock);
+ if (!(dev->se_hba->hba_flags & HBA_FLAGS_INTERNAL_USE))
+ hlist_add_head_rcu(&lun->link, &tpg->tpg_lun_hlist);
+ mutex_unlock(&tpg->tpg_lun_mutex);
return 0;
+
+out_kill_ref:
+ percpu_ref_exit(&lun->lun_ref);
+out:
+ return ret;
}
void core_tpg_remove_lun(
struct se_portal_group *tpg,
struct se_lun *lun)
{
+ /*
+ * rcu_dereference_raw protected by se_lun->lun_group symlink
+ * reference to se_device->dev_group.
+ */
+ struct se_device *dev = rcu_dereference_raw(lun->lun_se_dev);
+
core_clear_lun_from_tpg(lun, tpg);
+ /*
+ * Wait for any active I/O references to percpu se_lun->lun_ref to
+ * be released. Also, se_lun->lun_ref is now used by PR and ALUA
+ * logic when referencing a remote target port during ALL_TGT_PT=1
+ * and generating UNIT_ATTENTIONs for ALUA access state transition.
+ */
transport_clear_lun_ref(lun);
- core_dev_unexport(lun->lun_se_dev, tpg, lun);
+ mutex_lock(&tpg->tpg_lun_mutex);
+ if (lun->lun_se_dev) {
+ target_detach_tg_pt_gp(lun);
- spin_lock(&tpg->tpg_lun_lock);
- lun->lun_status = TRANSPORT_LUN_STATUS_FREE;
- spin_unlock(&tpg->tpg_lun_lock);
+ spin_lock(&dev->se_port_lock);
+ list_del(&lun->lun_dev_link);
+ dev->export_count--;
+ rcu_assign_pointer(lun->lun_se_dev, NULL);
+ spin_unlock(&dev->se_port_lock);
+ }
+ if (!(dev->se_hba->hba_flags & HBA_FLAGS_INTERNAL_USE))
+ hlist_del_rcu(&lun->link);
+ mutex_unlock(&tpg->tpg_lun_mutex);
percpu_ref_exit(&lun->lun_ref);
}
diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index cd3bfc16d25f6eeaf79f757ebf7031e7cbee8ca2..ce8574b7220ced193e969e46141c411156e7e9a7 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -43,7 +43,6 @@
#include <target/target_core_base.h>
#include <target/target_core_backend.h>
#include <target/target_core_fabric.h>
-#include <target/target_core_configfs.h>
#include "target_core_internal.h"
#include "target_core_alua.h"
@@ -60,7 +59,6 @@ struct kmem_cache *t10_pr_reg_cache;
struct kmem_cache *t10_alua_lu_gp_cache;
struct kmem_cache *t10_alua_lu_gp_mem_cache;
struct kmem_cache *t10_alua_tg_pt_gp_cache;
-struct kmem_cache *t10_alua_tg_pt_gp_mem_cache;
struct kmem_cache *t10_alua_lba_map_cache;
struct kmem_cache *t10_alua_lba_map_mem_cache;
@@ -119,16 +117,6 @@ int init_se_kmem_caches(void)
"cache failed\n");
goto out_free_lu_gp_mem_cache;
}
- t10_alua_tg_pt_gp_mem_cache = kmem_cache_create(
- "t10_alua_tg_pt_gp_mem_cache",
- sizeof(struct t10_alua_tg_pt_gp_member),
- __alignof__(struct t10_alua_tg_pt_gp_member),
- 0, NULL);
- if (!t10_alua_tg_pt_gp_mem_cache) {
- pr_err("kmem_cache_create() for t10_alua_tg_pt_gp_"
- "mem_t failed\n");
- goto out_free_tg_pt_gp_cache;
- }
t10_alua_lba_map_cache = kmem_cache_create(
"t10_alua_lba_map_cache",
sizeof(struct t10_alua_lba_map),
@@ -136,7 +124,7 @@ int init_se_kmem_caches(void)
if (!t10_alua_lba_map_cache) {
pr_err("kmem_cache_create() for t10_alua_lba_map_"
"cache failed\n");
- goto out_free_tg_pt_gp_mem_cache;
+ goto out_free_tg_pt_gp_cache;
}
t10_alua_lba_map_mem_cache = kmem_cache_create(
"t10_alua_lba_map_mem_cache",
@@ -159,8 +147,6 @@ int init_se_kmem_caches(void)
kmem_cache_destroy(t10_alua_lba_map_mem_cache);
out_free_lba_map_cache:
kmem_cache_destroy(t10_alua_lba_map_cache);
-out_free_tg_pt_gp_mem_cache:
- kmem_cache_destroy(t10_alua_tg_pt_gp_mem_cache);
out_free_tg_pt_gp_cache:
kmem_cache_destroy(t10_alua_tg_pt_gp_cache);
out_free_lu_gp_mem_cache:
@@ -186,7 +172,6 @@ void release_se_kmem_caches(void)
kmem_cache_destroy(t10_alua_lu_gp_cache);
kmem_cache_destroy(t10_alua_lu_gp_mem_cache);
kmem_cache_destroy(t10_alua_tg_pt_gp_cache);
- kmem_cache_destroy(t10_alua_tg_pt_gp_mem_cache);
kmem_cache_destroy(t10_alua_lba_map_cache);
kmem_cache_destroy(t10_alua_lba_map_mem_cache);
}
@@ -406,12 +391,6 @@ EXPORT_SYMBOL(target_get_session);
void target_put_session(struct se_session *se_sess)
{
- struct se_portal_group *tpg = se_sess->se_tpg;
-
- if (tpg->se_tpg_tfo->put_session != NULL) {
- tpg->se_tpg_tfo->put_session(se_sess);
- return;
- }
kref_put(&se_sess->sess_kref, target_release_session);
}
EXPORT_SYMBOL(target_put_session);
@@ -498,7 +477,7 @@ void transport_deregister_session(struct se_session *se_sess)
const struct target_core_fabric_ops *se_tfo;
struct se_node_acl *se_nacl;
unsigned long flags;
- bool comp_nacl = true;
+ bool comp_nacl = true, drop_nacl = false;
if (!se_tpg) {
transport_free_session(se_sess);
@@ -518,22 +497,22 @@ void transport_deregister_session(struct se_session *se_sess)
*/
se_nacl = se_sess->se_node_acl;
- spin_lock_irqsave(&se_tpg->acl_node_lock, flags);
+ mutex_lock(&se_tpg->acl_node_mutex);
if (se_nacl && se_nacl->dynamic_node_acl) {
if (!se_tfo->tpg_check_demo_mode_cache(se_tpg)) {
list_del(&se_nacl->acl_list);
se_tpg->num_node_acls--;
- spin_unlock_irqrestore(&se_tpg->acl_node_lock, flags);
- core_tpg_wait_for_nacl_pr_ref(se_nacl);
- core_free_device_list_for_node(se_nacl, se_tpg);
- se_tfo->tpg_release_fabric_acl(se_tpg, se_nacl);
-
- comp_nacl = false;
- spin_lock_irqsave(&se_tpg->acl_node_lock, flags);
+ drop_nacl = true;
}
}
- spin_unlock_irqrestore(&se_tpg->acl_node_lock, flags);
+ mutex_unlock(&se_tpg->acl_node_mutex);
+ if (drop_nacl) {
+ core_tpg_wait_for_nacl_pr_ref(se_nacl);
+ core_free_device_list_for_node(se_nacl, se_tpg);
+ kfree(se_nacl);
+ comp_nacl = false;
+ }
pr_debug("TARGET_CORE[%s]: Deregistered fabric_sess\n",
se_tpg->se_tpg_tfo->get_fabric_name());
/*
@@ -593,9 +572,8 @@ static int transport_cmd_check_stop(struct se_cmd *cmd, bool remove_from_lists,
* this command for frontend exceptions.
*/
if (cmd->transport_state & CMD_T_STOP) {
- pr_debug("%s:%d CMD_T_STOP for ITT: 0x%08x\n",
- __func__, __LINE__,
- cmd->se_tfo->get_task_tag(cmd));
+ pr_debug("%s:%d CMD_T_STOP for ITT: 0x%08llx\n",
+ __func__, __LINE__, cmd->tag);
spin_unlock_irqrestore(&cmd->t_state_lock, flags);
@@ -1148,6 +1126,8 @@ target_cmd_size_check(struct se_cmd *cmd, unsigned int size)
/*
* Used by fabric modules containing a local struct se_cmd within their
* fabric dependent per I/O descriptor.
+ *
+ * Preserves the value of @cmd->tag.
*/
void transport_init_se_cmd(
struct se_cmd *cmd,
@@ -1274,11 +1254,7 @@ target_setup_cmd_from_cdb(struct se_cmd *cmd, unsigned char *cdb)
return ret;
cmd->se_cmd_flags |= SCF_SUPPORTED_SAM_OPCODE;
-
- spin_lock(&cmd->se_lun->lun_sep_lock);
- if (cmd->se_lun->lun_sep)
- cmd->se_lun->lun_sep->sep_stats.cmd_pdus++;
- spin_unlock(&cmd->se_lun->lun_sep_lock);
+ atomic_long_inc(&cmd->se_lun->lun_stats.cmd_pdus);
return 0;
}
EXPORT_SYMBOL(target_setup_cmd_from_cdb);
@@ -1346,11 +1322,9 @@ transport_generic_map_mem_to_cmd(struct se_cmd *cmd, struct scatterlist *sgl,
cmd->t_data_sg = sgl;
cmd->t_data_nents = sgl_count;
+ cmd->t_bidi_data_sg = sgl_bidi;
+ cmd->t_bidi_data_nents = sgl_bidi_count;
- if (sgl_bidi && sgl_bidi_count) {
- cmd->t_bidi_data_sg = sgl_bidi;
- cmd->t_bidi_data_nents = sgl_bidi_count;
- }
cmd->se_cmd_flags |= SCF_PASSTHROUGH_SG_TO_MEM_NOALLOC;
return 0;
}
@@ -1375,6 +1349,8 @@ transport_generic_map_mem_to_cmd(struct se_cmd *cmd, struct scatterlist *sgl,
* @sgl_prot: struct scatterlist memory protection information
* @sgl_prot_count: scatterlist count for protection information
*
+ * Task tags are supported if the caller has set @se_cmd->tag.
+ *
* Returns non zero to signal active I/O shutdown failure. All other
* setup exceptions will be returned as a SCSI CHECK_CONDITION response,
* but still return zero here.
@@ -1383,7 +1359,7 @@ transport_generic_map_mem_to_cmd(struct se_cmd *cmd, struct scatterlist *sgl,
* assumes internal allocation of fabric payload buffer by target-core.
*/
int target_submit_cmd_map_sgls(struct se_cmd *se_cmd, struct se_session *se_sess,
- unsigned char *cdb, unsigned char *sense, u32 unpacked_lun,
+ unsigned char *cdb, unsigned char *sense, u64 unpacked_lun,
u32 data_length, int task_attr, int data_dir, int flags,
struct scatterlist *sgl, u32 sgl_count,
struct scatterlist *sgl_bidi, u32 sgl_bidi_count,
@@ -1412,7 +1388,7 @@ int target_submit_cmd_map_sgls(struct se_cmd *se_cmd, struct se_session *se_sess
* for fabrics using TARGET_SCF_ACK_KREF that expect a second
* kref_put() to happen during fabric packet acknowledgement.
*/
- ret = target_get_sess_cmd(se_sess, se_cmd, (flags & TARGET_SCF_ACK_KREF));
+ ret = target_get_sess_cmd(se_cmd, flags & TARGET_SCF_ACK_KREF);
if (ret)
return ret;
/*
@@ -1426,7 +1402,7 @@ int target_submit_cmd_map_sgls(struct se_cmd *se_cmd, struct se_session *se_sess
rc = transport_lookup_cmd_lun(se_cmd, unpacked_lun);
if (rc) {
transport_send_check_condition_and_sense(se_cmd, rc, 0);
- target_put_sess_cmd(se_sess, se_cmd);
+ target_put_sess_cmd(se_cmd);
return 0;
}
@@ -1443,6 +1419,7 @@ int target_submit_cmd_map_sgls(struct se_cmd *se_cmd, struct se_session *se_sess
if (sgl_prot_count) {
se_cmd->t_prot_sg = sgl_prot;
se_cmd->t_prot_nents = sgl_prot_count;
+ se_cmd->se_cmd_flags |= SCF_PASSTHROUGH_PROT_SG_TO_MEM_NOALLOC;
}
/*
@@ -1506,6 +1483,8 @@ EXPORT_SYMBOL(target_submit_cmd_map_sgls);
* @data_dir: DMA data direction
* @flags: flags for command submission from target_sc_flags_tables
*
+ * Task tags are supported if the caller has set @se_cmd->tag.
+ *
* Returns non zero to signal active I/O shutdown failure. All other
* setup exceptions will be returned as a SCSI CHECK_CONDITION response,
* but still return zero here.
@@ -1516,7 +1495,7 @@ EXPORT_SYMBOL(target_submit_cmd_map_sgls);
* It also assumes interal target core SGL memory allocation.
*/
int target_submit_cmd(struct se_cmd *se_cmd, struct se_session *se_sess,
- unsigned char *cdb, unsigned char *sense, u32 unpacked_lun,
+ unsigned char *cdb, unsigned char *sense, u64 unpacked_lun,
u32 data_length, int task_attr, int data_dir, int flags)
{
return target_submit_cmd_map_sgls(se_cmd, se_sess, cdb, sense,
@@ -1553,7 +1532,7 @@ static void target_complete_tmr_failure(struct work_struct *work)
**/
int target_submit_tmr(struct se_cmd *se_cmd, struct se_session *se_sess,
- unsigned char *sense, u32 unpacked_lun,
+ unsigned char *sense, u64 unpacked_lun,
void *fabric_tmr_ptr, unsigned char tm_type,
gfp_t gfp, unsigned int tag, int flags)
{
@@ -1577,7 +1556,7 @@ int target_submit_tmr(struct se_cmd *se_cmd, struct se_session *se_sess,
se_cmd->se_tmr_req->ref_task_tag = tag;
/* See target_submit_cmd for commentary */
- ret = target_get_sess_cmd(se_sess, se_cmd, (flags & TARGET_SCF_ACK_KREF));
+ ret = target_get_sess_cmd(se_cmd, flags & TARGET_SCF_ACK_KREF);
if (ret) {
core_tmr_release_req(se_cmd->se_tmr_req);
return ret;
@@ -1633,9 +1612,8 @@ void transport_generic_request_failure(struct se_cmd *cmd,
{
int ret = 0;
- pr_debug("-----[ Storage Engine Exception for cmd: %p ITT: 0x%08x"
- " CDB: 0x%02x\n", cmd, cmd->se_tfo->get_task_tag(cmd),
- cmd->t_task_cdb[0]);
+ pr_debug("-----[ Storage Engine Exception for cmd: %p ITT: 0x%08llx"
+ " CDB: 0x%02x\n", cmd, cmd->tag, cmd->t_task_cdb[0]);
pr_debug("-----[ i_state: %d t_state: %d sense_reason: %d\n",
cmd->se_tfo->get_cmd_state(cmd),
cmd->t_state, sense_reason);
@@ -1692,13 +1670,13 @@ void transport_generic_request_failure(struct se_cmd *cmd,
* See spc4r17, section 7.4.6 Control Mode Page, Table 349
*/
if (cmd->se_sess &&
- cmd->se_dev->dev_attrib.emulate_ua_intlck_ctrl == 2)
- core_scsi3_ua_allocate(cmd->se_sess->se_node_acl,
- cmd->orig_fe_lun, 0x2C,
- ASCQ_2CH_PREVIOUS_RESERVATION_CONFLICT_STATUS);
-
+ cmd->se_dev->dev_attrib.emulate_ua_intlck_ctrl == 2) {
+ target_ua_allocate_lun(cmd->se_sess->se_node_acl,
+ cmd->orig_fe_lun, 0x2C,
+ ASCQ_2CH_PREVIOUS_RESERVATION_CONFLICT_STATUS);
+ }
trace_target_cmd_complete(cmd);
- ret = cmd->se_tfo-> queue_status(cmd);
+ ret = cmd->se_tfo->queue_status(cmd);
if (ret == -EAGAIN || ret == -ENOMEM)
goto queue_full;
goto check_stop;
@@ -1759,8 +1737,8 @@ static int target_write_prot_action(struct se_cmd *cmd)
break;
sectors = cmd->data_length >> ilog2(cmd->se_dev->dev_attrib.block_size);
- cmd->pi_err = sbc_dif_verify_write(cmd, cmd->t_task_lba,
- sectors, 0, NULL, 0);
+ cmd->pi_err = sbc_dif_verify(cmd, cmd->t_task_lba,
+ sectors, 0, cmd->t_prot_sg, 0);
if (unlikely(cmd->pi_err)) {
spin_lock_irq(&cmd->t_state_lock);
cmd->transport_state &= ~(CMD_T_BUSY|CMD_T_SENT);
@@ -1843,9 +1821,8 @@ void target_execute_cmd(struct se_cmd *cmd)
*/
spin_lock_irq(&cmd->t_state_lock);
if (cmd->transport_state & CMD_T_STOP) {
- pr_debug("%s:%d CMD_T_STOP for ITT: 0x%08x\n",
- __func__, __LINE__,
- cmd->se_tfo->get_task_tag(cmd));
+ pr_debug("%s:%d CMD_T_STOP for ITT: 0x%08llx\n",
+ __func__, __LINE__, cmd->tag);
spin_unlock_irq(&cmd->t_state_lock);
complete_all(&cmd->t_transport_stop_comp);
@@ -1984,16 +1961,17 @@ static void transport_handle_queue_full(
static bool target_read_prot_action(struct se_cmd *cmd)
{
- sense_reason_t rc;
-
switch (cmd->prot_op) {
case TARGET_PROT_DIN_STRIP:
if (!(cmd->se_sess->sup_prot_ops & TARGET_PROT_DIN_STRIP)) {
- rc = sbc_dif_read_strip(cmd);
- if (rc) {
- cmd->pi_err = rc;
+ u32 sectors = cmd->data_length >>
+ ilog2(cmd->se_dev->dev_attrib.block_size);
+
+ cmd->pi_err = sbc_dif_verify(cmd, cmd->t_task_lba,
+ sectors, 0, cmd->t_prot_sg,
+ 0);
+ if (cmd->pi_err)
return true;
- }
}
break;
case TARGET_PROT_DIN_INSERT:
@@ -2072,12 +2050,8 @@ static void target_complete_ok_work(struct work_struct *work)
queue_rsp:
switch (cmd->data_direction) {
case DMA_FROM_DEVICE:
- spin_lock(&cmd->se_lun->lun_sep_lock);
- if (cmd->se_lun->lun_sep) {
- cmd->se_lun->lun_sep->sep_stats.tx_data_octets +=
- cmd->data_length;
- }
- spin_unlock(&cmd->se_lun->lun_sep_lock);
+ atomic_long_add(cmd->data_length,
+ &cmd->se_lun->lun_stats.tx_data_octets);
/*
* Perform READ_STRIP of PI using software emulation when
* backend had PI enabled, if the transport will not be
@@ -2100,22 +2074,14 @@ static void target_complete_ok_work(struct work_struct *work)
goto queue_full;
break;
case DMA_TO_DEVICE:
- spin_lock(&cmd->se_lun->lun_sep_lock);
- if (cmd->se_lun->lun_sep) {
- cmd->se_lun->lun_sep->sep_stats.rx_data_octets +=
- cmd->data_length;
- }
- spin_unlock(&cmd->se_lun->lun_sep_lock);
+ atomic_long_add(cmd->data_length,
+ &cmd->se_lun->lun_stats.rx_data_octets);
/*
* Check if we need to send READ payload for BIDI-COMMAND
*/
if (cmd->se_cmd_flags & SCF_BIDI) {
- spin_lock(&cmd->se_lun->lun_sep_lock);
- if (cmd->se_lun->lun_sep) {
- cmd->se_lun->lun_sep->sep_stats.tx_data_octets +=
- cmd->data_length;
- }
- spin_unlock(&cmd->se_lun->lun_sep_lock);
+ atomic_long_add(cmd->data_length,
+ &cmd->se_lun->lun_stats.tx_data_octets);
ret = cmd->se_tfo->queue_data_in(cmd);
if (ret == -EAGAIN || ret == -ENOMEM)
goto queue_full;
@@ -2172,6 +2138,12 @@ static inline void transport_reset_sgl_orig(struct se_cmd *cmd)
static inline void transport_free_pages(struct se_cmd *cmd)
{
+ if (!(cmd->se_cmd_flags & SCF_PASSTHROUGH_PROT_SG_TO_MEM_NOALLOC)) {
+ transport_free_sgl(cmd->t_prot_sg, cmd->t_prot_nents);
+ cmd->t_prot_sg = NULL;
+ cmd->t_prot_nents = 0;
+ }
+
if (cmd->se_cmd_flags & SCF_PASSTHROUGH_SG_TO_MEM_NOALLOC) {
/*
* Release special case READ buffer payload required for
@@ -2195,10 +2167,6 @@ static inline void transport_free_pages(struct se_cmd *cmd)
transport_free_sgl(cmd->t_bidi_data_sg, cmd->t_bidi_data_nents);
cmd->t_bidi_data_sg = NULL;
cmd->t_bidi_data_nents = 0;
-
- transport_free_sgl(cmd->t_prot_sg, cmd->t_prot_nents);
- cmd->t_prot_sg = NULL;
- cmd->t_prot_nents = 0;
}
/**
@@ -2220,7 +2188,7 @@ static int transport_release_cmd(struct se_cmd *cmd)
* If this cmd has been setup with target_get_sess_cmd(), drop
* the kref and call ->release_cmd() in kref callback.
*/
- return target_put_sess_cmd(cmd->se_sess, cmd);
+ return target_put_sess_cmd(cmd);
}
/**
@@ -2337,6 +2305,14 @@ transport_generic_new_cmd(struct se_cmd *cmd)
int ret = 0;
bool zero_flag = !(cmd->se_cmd_flags & SCF_SCSI_DATA_CDB);
+ if (cmd->prot_op != TARGET_PROT_NORMAL &&
+ !(cmd->se_cmd_flags & SCF_PASSTHROUGH_PROT_SG_TO_MEM_NOALLOC)) {
+ ret = target_alloc_sgl(&cmd->t_prot_sg, &cmd->t_prot_nents,
+ cmd->prot_length, true);
+ if (ret < 0)
+ return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+ }
+
/*
* Determine is the TCM fabric module has already allocated physical
* memory, and is directly calling transport_generic_map_mem_to_cmd()
@@ -2362,14 +2338,6 @@ transport_generic_new_cmd(struct se_cmd *cmd)
return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
}
- if (cmd->prot_op != TARGET_PROT_NORMAL) {
- ret = target_alloc_sgl(&cmd->t_prot_sg,
- &cmd->t_prot_nents,
- cmd->prot_length, true);
- if (ret < 0)
- return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
- }
-
ret = target_alloc_sgl(&cmd->t_data_sg, &cmd->t_data_nents,
cmd->data_length, zero_flag);
if (ret < 0)
@@ -2464,13 +2432,12 @@ int transport_generic_free_cmd(struct se_cmd *cmd, int wait_for_tasks)
EXPORT_SYMBOL(transport_generic_free_cmd);
/* target_get_sess_cmd - Add command to active ->sess_cmd_list
- * @se_sess: session to reference
* @se_cmd: command descriptor to add
* @ack_kref: Signal that fabric will perform an ack target_put_sess_cmd()
*/
-int target_get_sess_cmd(struct se_session *se_sess, struct se_cmd *se_cmd,
- bool ack_kref)
+int target_get_sess_cmd(struct se_cmd *se_cmd, bool ack_kref)
{
+ struct se_session *se_sess = se_cmd->se_sess;
unsigned long flags;
int ret = 0;
@@ -2492,7 +2459,7 @@ int target_get_sess_cmd(struct se_session *se_sess, struct se_cmd *se_cmd,
spin_unlock_irqrestore(&se_sess->sess_cmd_lock, flags);
if (ret && ack_kref)
- target_put_sess_cmd(se_sess, se_cmd);
+ target_put_sess_cmd(se_cmd);
return ret;
}
@@ -2521,11 +2488,12 @@ static void target_release_cmd_kref(struct kref *kref)
}
/* target_put_sess_cmd - Check for active I/O shutdown via kref_put
- * @se_sess: session to reference
* @se_cmd: command descriptor to drop
*/
-int target_put_sess_cmd(struct se_session *se_sess, struct se_cmd *se_cmd)
+int target_put_sess_cmd(struct se_cmd *se_cmd)
{
+ struct se_session *se_sess = se_cmd->se_sess;
+
if (!se_sess) {
se_cmd->se_tfo->release_cmd(se_cmd);
return 1;
@@ -2591,31 +2559,10 @@ void target_wait_for_sess_cmds(struct se_session *se_sess)
}
EXPORT_SYMBOL(target_wait_for_sess_cmds);
-static int transport_clear_lun_ref_thread(void *p)
+void transport_clear_lun_ref(struct se_lun *lun)
{
- struct se_lun *lun = p;
-
percpu_ref_kill(&lun->lun_ref);
-
wait_for_completion(&lun->lun_ref_comp);
- complete(&lun->lun_shutdown_comp);
-
- return 0;
-}
-
-int transport_clear_lun_ref(struct se_lun *lun)
-{
- struct task_struct *kt;
-
- kt = kthread_run(transport_clear_lun_ref_thread, lun,
- "tcm_cl_%u", lun->unpacked_lun);
- if (IS_ERR(kt)) {
- pr_err("Unable to start clear_lun thread\n");
- return PTR_ERR(kt);
- }
- wait_for_completion(&lun->lun_shutdown_comp);
-
- return 0;
}
/**
@@ -2649,10 +2596,8 @@ bool transport_wait_for_tasks(struct se_cmd *cmd)
cmd->transport_state |= CMD_T_STOP;
- pr_debug("wait_for_tasks: Stopping %p ITT: 0x%08x"
- " i_state: %d, t_state: %d, CMD_T_STOP\n",
- cmd, cmd->se_tfo->get_task_tag(cmd),
- cmd->se_tfo->get_cmd_state(cmd), cmd->t_state);
+ pr_debug("wait_for_tasks: Stopping %p ITT: 0x%08llx i_state: %d, t_state: %d, CMD_T_STOP\n",
+ cmd, cmd->tag, cmd->se_tfo->get_cmd_state(cmd), cmd->t_state);
spin_unlock_irqrestore(&cmd->t_state_lock, flags);
@@ -2661,9 +2606,8 @@ bool transport_wait_for_tasks(struct se_cmd *cmd)
spin_lock_irqsave(&cmd->t_state_lock, flags);
cmd->transport_state &= ~(CMD_T_ACTIVE | CMD_T_STOP);
- pr_debug("wait_for_tasks: Stopped wait_for_completion("
- "&cmd->t_transport_stop_comp) for ITT: 0x%08x\n",
- cmd->se_tfo->get_task_tag(cmd));
+ pr_debug("wait_for_tasks: Stopped wait_for_completion(&cmd->t_transport_stop_comp) for ITT: 0x%08llx\n",
+ cmd->tag);
spin_unlock_irqrestore(&cmd->t_state_lock, flags);
@@ -2965,8 +2909,8 @@ int transport_check_aborted_status(struct se_cmd *cmd, int send_status)
if (!send_status || !(cmd->se_cmd_flags & SCF_SEND_DELAYED_TAS))
return 1;
- pr_debug("Sending delayed SAM_STAT_TASK_ABORTED status for CDB: 0x%02x ITT: 0x%08x\n",
- cmd->t_task_cdb[0], cmd->se_tfo->get_task_tag(cmd));
+ pr_debug("Sending delayed SAM_STAT_TASK_ABORTED status for CDB: 0x%02x ITT: 0x%08llx\n",
+ cmd->t_task_cdb[0], cmd->tag);
cmd->se_cmd_flags &= ~SCF_SEND_DELAYED_TAS;
cmd->scsi_status = SAM_STAT_TASK_ABORTED;
@@ -3005,9 +2949,8 @@ void transport_send_task_abort(struct se_cmd *cmd)
transport_lun_remove_cmd(cmd);
- pr_debug("Setting SAM_STAT_TASK_ABORTED status for CDB: 0x%02x,"
- " ITT: 0x%08x\n", cmd->t_task_cdb[0],
- cmd->se_tfo->get_task_tag(cmd));
+ pr_debug("Setting SAM_STAT_TASK_ABORTED status for CDB: 0x%02x, ITT: 0x%08llx\n",
+ cmd->t_task_cdb[0], cmd->tag);
trace_target_cmd_complete(cmd);
cmd->se_tfo->queue_status(cmd);
@@ -3033,6 +2976,11 @@ static void target_tmr_work(struct work_struct *work)
ret = core_tmr_lun_reset(dev, tmr, NULL, NULL);
tmr->response = (!ret) ? TMR_FUNCTION_COMPLETE :
TMR_FUNCTION_REJECTED;
+ if (tmr->response == TMR_FUNCTION_COMPLETE) {
+ target_ua_allocate_lun(cmd->se_sess->se_node_acl,
+ cmd->orig_fe_lun, 0x29,
+ ASCQ_29H_BUS_DEVICE_RESET_FUNCTION_OCCURRED);
+ }
break;
case TMR_TARGET_WARM_RESET:
tmr->response = TMR_FUNCTION_REJECTED;
@@ -3067,3 +3015,22 @@ int transport_generic_handle_tmr(
return 0;
}
EXPORT_SYMBOL(transport_generic_handle_tmr);
+
+bool
+target_check_wce(struct se_device *dev)
+{
+ bool wce = false;
+
+ if (dev->transport->get_write_cache)
+ wce = dev->transport->get_write_cache(dev);
+ else if (dev->dev_attrib.emulate_write_cache > 0)
+ wce = true;
+
+ return wce;
+}
+
+bool
+target_check_fua(struct se_device *dev)
+{
+ return target_check_wce(dev) && dev->dev_attrib.emulate_fua_write > 0;
+}
diff --git a/drivers/target/target_core_ua.c b/drivers/target/target_core_ua.c
index e44cc94b12cb1b10ae3670f053fc0456255ac515..be25eb807a5fd5dbda381165ac15f4dd1285bb59 100644
--- a/drivers/target/target_core_ua.c
+++ b/drivers/target/target_core_ua.c
@@ -29,7 +29,6 @@
#include <target/target_core_base.h>
#include <target/target_core_fabric.h>
-#include <target/target_core_configfs.h>
#include "target_core_internal.h"
#include "target_core_alua.h"
@@ -50,9 +49,17 @@ target_scsi3_ua_check(struct se_cmd *cmd)
if (!nacl)
return 0;
- deve = nacl->device_list[cmd->orig_fe_lun];
- if (!atomic_read(&deve->ua_count))
+ rcu_read_lock();
+ deve = target_nacl_find_deve(nacl, cmd->orig_fe_lun);
+ if (!deve) {
+ rcu_read_unlock();
return 0;
+ }
+ if (!atomic_read(&deve->ua_count)) {
+ rcu_read_unlock();
+ return 0;
+ }
+ rcu_read_unlock();
/*
* From sam4r14, section 5.14 Unit attention condition:
*
@@ -79,18 +86,11 @@ target_scsi3_ua_check(struct se_cmd *cmd)
}
int core_scsi3_ua_allocate(
- struct se_node_acl *nacl,
- u32 unpacked_lun,
+ struct se_dev_entry *deve,
u8 asc,
u8 ascq)
{
- struct se_dev_entry *deve;
struct se_ua *ua, *ua_p, *ua_tmp;
- /*
- * PASSTHROUGH OPS
- */
- if (!nacl)
- return -EINVAL;
ua = kmem_cache_zalloc(se_ua_cache, GFP_ATOMIC);
if (!ua) {
@@ -99,13 +99,9 @@ int core_scsi3_ua_allocate(
}
INIT_LIST_HEAD(&ua->ua_nacl_list);
- ua->ua_nacl = nacl;
ua->ua_asc = asc;
ua->ua_ascq = ascq;
- spin_lock_irq(&nacl->device_list_lock);
- deve = nacl->device_list[unpacked_lun];
-
spin_lock(&deve->ua_lock);
list_for_each_entry_safe(ua_p, ua_tmp, &deve->ua_list, ua_nacl_list) {
/*
@@ -113,7 +109,6 @@ int core_scsi3_ua_allocate(
*/
if ((ua_p->ua_asc == asc) && (ua_p->ua_ascq == ascq)) {
spin_unlock(&deve->ua_lock);
- spin_unlock_irq(&nacl->device_list_lock);
kmem_cache_free(se_ua_cache, ua);
return 0;
}
@@ -158,24 +153,40 @@ int core_scsi3_ua_allocate(
list_add_tail(&ua->ua_nacl_list,
&deve->ua_list);
spin_unlock(&deve->ua_lock);
- spin_unlock_irq(&nacl->device_list_lock);
atomic_inc_mb(&deve->ua_count);
return 0;
}
list_add_tail(&ua->ua_nacl_list, &deve->ua_list);
spin_unlock(&deve->ua_lock);
- spin_unlock_irq(&nacl->device_list_lock);
- pr_debug("[%s]: Allocated UNIT ATTENTION, mapped LUN: %u, ASC:"
- " 0x%02x, ASCQ: 0x%02x\n",
- nacl->se_tpg->se_tpg_tfo->get_fabric_name(), unpacked_lun,
+ pr_debug("Allocated UNIT ATTENTION, mapped LUN: %llu, ASC:"
+ " 0x%02x, ASCQ: 0x%02x\n", deve->mapped_lun,
asc, ascq);
atomic_inc_mb(&deve->ua_count);
return 0;
}
+void target_ua_allocate_lun(struct se_node_acl *nacl,
+ u32 unpacked_lun, u8 asc, u8 ascq)
+{
+ struct se_dev_entry *deve;
+
+ if (!nacl)
+ return;
+
+ rcu_read_lock();
+ deve = target_nacl_find_deve(nacl, unpacked_lun);
+ if (!deve) {
+ rcu_read_unlock();
+ return;
+ }
+
+ core_scsi3_ua_allocate(deve, asc, ascq);
+ rcu_read_unlock();
+}
+
void core_scsi3_ua_release_all(
struct se_dev_entry *deve)
{
@@ -210,10 +221,14 @@ void core_scsi3_ua_for_check_condition(
if (!nacl)
return;
- spin_lock_irq(&nacl->device_list_lock);
- deve = nacl->device_list[cmd->orig_fe_lun];
+ rcu_read_lock();
+ deve = target_nacl_find_deve(nacl, cmd->orig_fe_lun);
+ if (!deve) {
+ rcu_read_unlock();
+ return;
+ }
if (!atomic_read(&deve->ua_count)) {
- spin_unlock_irq(&nacl->device_list_lock);
+ rcu_read_unlock();
return;
}
/*
@@ -249,10 +264,10 @@ void core_scsi3_ua_for_check_condition(
atomic_dec_mb(&deve->ua_count);
}
spin_unlock(&deve->ua_lock);
- spin_unlock_irq(&nacl->device_list_lock);
+ rcu_read_unlock();
pr_debug("[%s]: %s UNIT ATTENTION condition with"
- " INTLCK_CTRL: %d, mapped LUN: %u, got CDB: 0x%02x"
+ " INTLCK_CTRL: %d, mapped LUN: %llu, got CDB: 0x%02x"
" reported ASC: 0x%02x, ASCQ: 0x%02x\n",
nacl->se_tpg->se_tpg_tfo->get_fabric_name(),
(dev->dev_attrib.emulate_ua_intlck_ctrl != 0) ? "Reporting" :
@@ -278,10 +293,14 @@ int core_scsi3_ua_clear_for_request_sense(
if (!nacl)
return -EINVAL;
- spin_lock_irq(&nacl->device_list_lock);
- deve = nacl->device_list[cmd->orig_fe_lun];
+ rcu_read_lock();
+ deve = target_nacl_find_deve(nacl, cmd->orig_fe_lun);
+ if (!deve) {
+ rcu_read_unlock();
+ return -EINVAL;
+ }
if (!atomic_read(&deve->ua_count)) {
- spin_unlock_irq(&nacl->device_list_lock);
+ rcu_read_unlock();
return -EPERM;
}
/*
@@ -307,10 +326,10 @@ int core_scsi3_ua_clear_for_request_sense(
atomic_dec_mb(&deve->ua_count);
}
spin_unlock(&deve->ua_lock);
- spin_unlock_irq(&nacl->device_list_lock);
+ rcu_read_unlock();
pr_debug("[%s]: Released UNIT ATTENTION condition, mapped"
- " LUN: %u, got REQUEST_SENSE reported ASC: 0x%02x,"
+ " LUN: %llu, got REQUEST_SENSE reported ASC: 0x%02x,"
" ASCQ: 0x%02x\n", nacl->se_tpg->se_tpg_tfo->get_fabric_name(),
cmd->orig_fe_lun, *asc, *ascq);
diff --git a/drivers/target/target_core_ua.h b/drivers/target/target_core_ua.h
index a6b56b364e7af5b7895df6f8b955c3d3d053f296..bd6e78ba153d68bd37b784ba7ebd52290932906c 100644
--- a/drivers/target/target_core_ua.h
+++ b/drivers/target/target_core_ua.h
@@ -25,10 +25,14 @@
#define ASCQ_2CH_PREVIOUS_RESERVATION_CONFLICT_STATUS 0x09
+#define ASCQ_3FH_INQUIRY_DATA_HAS_CHANGED 0x03
+#define ASCQ_3FH_REPORTED_LUNS_DATA_HAS_CHANGED 0x0E
+
extern struct kmem_cache *se_ua_cache;
extern sense_reason_t target_scsi3_ua_check(struct se_cmd *);
-extern int core_scsi3_ua_allocate(struct se_node_acl *, u32, u8, u8);
+extern int core_scsi3_ua_allocate(struct se_dev_entry *, u8, u8);
+extern void target_ua_allocate_lun(struct se_node_acl *, u32, u8, u8);
extern void core_scsi3_ua_release_all(struct se_dev_entry *);
extern void core_scsi3_ua_for_check_condition(struct se_cmd *, u8 *, u8 *);
extern int core_scsi3_ua_clear_for_request_sense(struct se_cmd *,
diff --git a/drivers/target/target_core_user.c b/drivers/target/target_core_user.c
index 549af9847c2826ae8e11d6291bf8ca1715dd6a0a..c448ef421ce779347973579654b36fb7107043f6 100644
--- a/drivers/target/target_core_user.c
+++ b/drivers/target/target_core_user.c
@@ -1,6 +1,7 @@
/*
* Copyright (C) 2013 Shaohua Li <shli@kernel.org>
* Copyright (C) 2014 Red Hat, Inc.
+ * Copyright (C) 2015 Arrikto, Inc.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
@@ -30,7 +31,6 @@
#include <target/target_core_base.h>
#include <target/target_core_fabric.h>
#include <target/target_core_backend.h>
-#include <target/target_core_backend_configfs.h>
#include <linux/target_core_user.h>
@@ -168,6 +168,11 @@ static struct tcmu_cmd *tcmu_alloc_cmd(struct se_cmd *se_cmd)
tcmu_cmd->tcmu_dev = udev;
tcmu_cmd->data_length = se_cmd->data_length;
+ if (se_cmd->se_cmd_flags & SCF_BIDI) {
+ BUG_ON(!(se_cmd->t_bidi_data_sg && se_cmd->t_bidi_data_nents));
+ tcmu_cmd->data_length += se_cmd->t_bidi_data_sg->length;
+ }
+
tcmu_cmd->deadline = jiffies + msecs_to_jiffies(TCMU_TIME_OUT);
idr_preload(GFP_KERNEL);
@@ -226,9 +231,106 @@ static inline size_t head_to_end(size_t head, size_t size)
#define UPDATE_HEAD(head, used, size) smp_store_release(&head, ((head % size) + used) % size)
+static void alloc_and_scatter_data_area(struct tcmu_dev *udev,
+ struct scatterlist *data_sg, unsigned int data_nents,
+ struct iovec **iov, int *iov_cnt, bool copy_data)
+{
+ int i;
+ void *from, *to;
+ size_t copy_bytes;
+ struct scatterlist *sg;
+
+ for_each_sg(data_sg, sg, data_nents, i) {
+ copy_bytes = min_t(size_t, sg->length,
+ head_to_end(udev->data_head, udev->data_size));
+ from = kmap_atomic(sg_page(sg)) + sg->offset;
+ to = (void *) udev->mb_addr + udev->data_off + udev->data_head;
+
+ if (copy_data) {
+ memcpy(to, from, copy_bytes);
+ tcmu_flush_dcache_range(to, copy_bytes);
+ }
+
+ /* Even iov_base is relative to mb_addr */
+ (*iov)->iov_len = copy_bytes;
+ (*iov)->iov_base = (void __user *) udev->data_off +
+ udev->data_head;
+ (*iov_cnt)++;
+ (*iov)++;
+
+ UPDATE_HEAD(udev->data_head, copy_bytes, udev->data_size);
+
+ /* Uh oh, we wrapped the buffer. Must split sg across 2 iovs. */
+ if (sg->length != copy_bytes) {
+ void *from_skip = from + copy_bytes;
+
+ copy_bytes = sg->length - copy_bytes;
+
+ (*iov)->iov_len = copy_bytes;
+ (*iov)->iov_base = (void __user *) udev->data_off +
+ udev->data_head;
+
+ if (copy_data) {
+ to = (void *) udev->mb_addr +
+ udev->data_off + udev->data_head;
+ memcpy(to, from_skip, copy_bytes);
+ tcmu_flush_dcache_range(to, copy_bytes);
+ }
+
+ (*iov_cnt)++;
+ (*iov)++;
+
+ UPDATE_HEAD(udev->data_head,
+ copy_bytes, udev->data_size);
+ }
+
+ kunmap_atomic(from - sg->offset);
+ }
+}
+
+static void gather_and_free_data_area(struct tcmu_dev *udev,
+ struct scatterlist *data_sg, unsigned int data_nents)
+{
+ int i;
+ void *from, *to;
+ size_t copy_bytes;
+ struct scatterlist *sg;
+
+ /* It'd be easier to look at entry's iovec again, but UAM */
+ for_each_sg(data_sg, sg, data_nents, i) {
+ copy_bytes = min_t(size_t, sg->length,
+ head_to_end(udev->data_tail, udev->data_size));
+
+ to = kmap_atomic(sg_page(sg)) + sg->offset;
+ WARN_ON(sg->length + sg->offset > PAGE_SIZE);
+ from = (void *) udev->mb_addr +
+ udev->data_off + udev->data_tail;
+ tcmu_flush_dcache_range(from, copy_bytes);
+ memcpy(to, from, copy_bytes);
+
+ UPDATE_HEAD(udev->data_tail, copy_bytes, udev->data_size);
+
+ /* Uh oh, wrapped the data buffer for this sg's data */
+ if (sg->length != copy_bytes) {
+ void *to_skip = to + copy_bytes;
+
+ from = (void *) udev->mb_addr +
+ udev->data_off + udev->data_tail;
+ WARN_ON(udev->data_tail);
+ copy_bytes = sg->length - copy_bytes;
+ tcmu_flush_dcache_range(from, copy_bytes);
+ memcpy(to_skip, from, copy_bytes);
+
+ UPDATE_HEAD(udev->data_tail,
+ copy_bytes, udev->data_size);
+ }
+ kunmap_atomic(to - sg->offset);
+ }
+}
+
/*
- * We can't queue a command until we have space available on the cmd ring *and* space
- * space avail on the data ring.
+ * We can't queue a command until we have space available on the cmd ring *and*
+ * space available on the data ring.
*
* Called with ring lock held.
*/
@@ -276,12 +378,11 @@ static int tcmu_queue_cmd_ring(struct tcmu_cmd *tcmu_cmd)
size_t base_command_size, command_size;
struct tcmu_mailbox *mb;
struct tcmu_cmd_entry *entry;
- int i;
- struct scatterlist *sg;
struct iovec *iov;
- int iov_cnt = 0;
+ int iov_cnt;
uint32_t cmd_head;
uint64_t cdb_off;
+ bool copy_to_data_area;
if (test_bit(TCMU_DEV_BIT_BROKEN, &udev->flags))
return -EINVAL;
@@ -294,7 +395,8 @@ static int tcmu_queue_cmd_ring(struct tcmu_cmd *tcmu_cmd)
* b/c size == offsetof one-past-element.
*/
base_command_size = max(offsetof(struct tcmu_cmd_entry,
- req.iov[se_cmd->t_data_nents + 2]),
+ req.iov[se_cmd->t_bidi_data_nents +
+ se_cmd->t_data_nents + 2]),
sizeof(struct tcmu_cmd_entry));
command_size = base_command_size
+ round_up(scsi_command_size(se_cmd->t_task_cdb), TCMU_OP_ALIGN_SIZE);
@@ -362,53 +464,20 @@ static int tcmu_queue_cmd_ring(struct tcmu_cmd *tcmu_cmd)
* Fix up iovecs, and handle if allocation in data ring wrapped.
*/
iov = &entry->req.iov[0];
- for_each_sg(se_cmd->t_data_sg, sg, se_cmd->t_data_nents, i) {
- size_t copy_bytes = min((size_t)sg->length,
- head_to_end(udev->data_head, udev->data_size));
- void *from = kmap_atomic(sg_page(sg)) + sg->offset;
- void *to = (void *) mb + udev->data_off + udev->data_head;
-
- if (tcmu_cmd->se_cmd->data_direction == DMA_TO_DEVICE) {
- memcpy(to, from, copy_bytes);
- tcmu_flush_dcache_range(to, copy_bytes);
- }
-
- /* Even iov_base is relative to mb_addr */
- iov->iov_len = copy_bytes;
- iov->iov_base = (void __user *) udev->data_off +
- udev->data_head;
- iov_cnt++;
- iov++;
-
- UPDATE_HEAD(udev->data_head, copy_bytes, udev->data_size);
-
- /* Uh oh, we wrapped the buffer. Must split sg across 2 iovs. */
- if (sg->length != copy_bytes) {
- from += copy_bytes;
- copy_bytes = sg->length - copy_bytes;
-
- iov->iov_len = copy_bytes;
- iov->iov_base = (void __user *) udev->data_off +
- udev->data_head;
-
- if (se_cmd->data_direction == DMA_TO_DEVICE) {
- to = (void *) mb + udev->data_off + udev->data_head;
- memcpy(to, from, copy_bytes);
- tcmu_flush_dcache_range(to, copy_bytes);
- }
-
- iov_cnt++;
- iov++;
-
- UPDATE_HEAD(udev->data_head, copy_bytes, udev->data_size);
- }
-
- kunmap_atomic(from);
- }
+ iov_cnt = 0;
+ copy_to_data_area = (se_cmd->data_direction == DMA_TO_DEVICE
+ || se_cmd->se_cmd_flags & SCF_BIDI);
+ alloc_and_scatter_data_area(udev, se_cmd->t_data_sg,
+ se_cmd->t_data_nents, &iov, &iov_cnt, copy_to_data_area);
entry->req.iov_cnt = iov_cnt;
- entry->req.iov_bidi_cnt = 0;
entry->req.iov_dif_cnt = 0;
+ /* Handle BIDI commands */
+ iov_cnt = 0;
+ alloc_and_scatter_data_area(udev, se_cmd->t_bidi_data_sg,
+ se_cmd->t_bidi_data_nents, &iov, &iov_cnt, false);
+ entry->req.iov_bidi_cnt = iov_cnt;
+
/* All offsets relative to mb_addr, not start of entry! */
cdb_off = CMDR_OFF + cmd_head + base_command_size;
memcpy((void *) mb + cdb_off, se_cmd->t_task_cdb, scsi_command_size(se_cmd->t_task_cdb));
@@ -481,47 +550,22 @@ static void tcmu_handle_completion(struct tcmu_cmd *cmd, struct tcmu_cmd_entry *
se_cmd->scsi_sense_length);
UPDATE_HEAD(udev->data_tail, cmd->data_length, udev->data_size);
- }
- else if (se_cmd->data_direction == DMA_FROM_DEVICE) {
- struct scatterlist *sg;
- int i;
-
- /* It'd be easier to look at entry's iovec again, but UAM */
- for_each_sg(se_cmd->t_data_sg, sg, se_cmd->t_data_nents, i) {
- size_t copy_bytes;
- void *to;
- void *from;
-
- copy_bytes = min((size_t)sg->length,
- head_to_end(udev->data_tail, udev->data_size));
-
- to = kmap_atomic(sg_page(sg)) + sg->offset;
- WARN_ON(sg->length + sg->offset > PAGE_SIZE);
- from = (void *) udev->mb_addr + udev->data_off + udev->data_tail;
- tcmu_flush_dcache_range(from, copy_bytes);
- memcpy(to, from, copy_bytes);
-
- UPDATE_HEAD(udev->data_tail, copy_bytes, udev->data_size);
-
- /* Uh oh, wrapped the data buffer for this sg's data */
- if (sg->length != copy_bytes) {
- from = (void *) udev->mb_addr + udev->data_off + udev->data_tail;
- WARN_ON(udev->data_tail);
- to += copy_bytes;
- copy_bytes = sg->length - copy_bytes;
- tcmu_flush_dcache_range(from, copy_bytes);
- memcpy(to, from, copy_bytes);
-
- UPDATE_HEAD(udev->data_tail, copy_bytes, udev->data_size);
- }
-
- kunmap_atomic(to);
- }
-
+ } else if (se_cmd->se_cmd_flags & SCF_BIDI) {
+ /* Discard data_out buffer */
+ UPDATE_HEAD(udev->data_tail,
+ (size_t)se_cmd->t_data_sg->length, udev->data_size);
+
+ /* Get Data-In buffer */
+ gather_and_free_data_area(udev,
+ se_cmd->t_bidi_data_sg, se_cmd->t_bidi_data_nents);
+ } else if (se_cmd->data_direction == DMA_FROM_DEVICE) {
+ gather_and_free_data_area(udev,
+ se_cmd->t_data_sg, se_cmd->t_data_nents);
} else if (se_cmd->data_direction == DMA_TO_DEVICE) {
UPDATE_HEAD(udev->data_tail, cmd->data_length, udev->data_size);
- } else {
- pr_warn("TCMU: data direction was %d!\n", se_cmd->data_direction);
+ } else if (se_cmd->data_direction != DMA_NONE) {
+ pr_warn("TCMU: data direction was %d!\n",
+ se_cmd->data_direction);
}
target_complete_cmd(cmd->se_cmd, entry->rsp.scsi_status);
@@ -910,6 +954,14 @@ static int tcmu_check_pending_cmd(int id, void *p, void *data)
return -EINVAL;
}
+static void tcmu_dev_call_rcu(struct rcu_head *p)
+{
+ struct se_device *dev = container_of(p, struct se_device, rcu_head);
+ struct tcmu_dev *udev = TCMU_DEV(dev);
+
+ kfree(udev);
+}
+
static void tcmu_free_device(struct se_device *dev)
{
struct tcmu_dev *udev = TCMU_DEV(dev);
@@ -935,8 +987,7 @@ static void tcmu_free_device(struct se_device *dev)
kfree(udev->uio_info.name);
kfree(udev->name);
}
-
- kfree(udev);
+ call_rcu(&dev->rcu_head, tcmu_dev_call_rcu);
}
enum {
@@ -1054,27 +1105,7 @@ tcmu_parse_cdb(struct se_cmd *cmd)
return passthrough_parse_cdb(cmd, tcmu_pass_op);
}
-DEF_TB_DEV_ATTRIB_RO(tcmu, hw_pi_prot_type);
-TB_DEV_ATTR_RO(tcmu, hw_pi_prot_type);
-
-DEF_TB_DEV_ATTRIB_RO(tcmu, hw_block_size);
-TB_DEV_ATTR_RO(tcmu, hw_block_size);
-
-DEF_TB_DEV_ATTRIB_RO(tcmu, hw_max_sectors);
-TB_DEV_ATTR_RO(tcmu, hw_max_sectors);
-
-DEF_TB_DEV_ATTRIB_RO(tcmu, hw_queue_depth);
-TB_DEV_ATTR_RO(tcmu, hw_queue_depth);
-
-static struct configfs_attribute *tcmu_backend_dev_attrs[] = {
- &tcmu_dev_attrib_hw_pi_prot_type.attr,
- &tcmu_dev_attrib_hw_block_size.attr,
- &tcmu_dev_attrib_hw_max_sectors.attr,
- &tcmu_dev_attrib_hw_queue_depth.attr,
- NULL,
-};
-
-static struct se_subsystem_api tcmu_template = {
+static const struct target_backend_ops tcmu_ops = {
.name = "user",
.inquiry_prod = "USER",
.inquiry_rev = TCMU_VERSION,
@@ -1090,11 +1121,11 @@ static struct se_subsystem_api tcmu_template = {
.show_configfs_dev_params = tcmu_show_configfs_dev_params,
.get_device_type = sbc_get_device_type,
.get_blocks = tcmu_get_blocks,
+ .tb_dev_attrib_attrs = passthrough_attrib_attrs,
};
static int __init tcmu_module_init(void)
{
- struct target_backend_cits *tbc = &tcmu_template.tb_cits;
int ret;
BUILD_BUG_ON((sizeof(struct tcmu_cmd_entry) % TCMU_OP_ALIGN_SIZE) != 0);
@@ -1117,10 +1148,7 @@ static int __init tcmu_module_init(void)
goto out_unreg_device;
}
- target_core_setup_sub_cits(&tcmu_template);
- tbc->tb_dev_attrib_cit.ct_attrs = tcmu_backend_dev_attrs;
-
- ret = transport_subsystem_register(&tcmu_template);
+ ret = transport_backend_register(&tcmu_ops);
if (ret)
goto out_unreg_genl;
@@ -1138,7 +1166,7 @@ static int __init tcmu_module_init(void)
static void __exit tcmu_module_exit(void)
{
- transport_subsystem_release(&tcmu_template);
+ target_backend_unregister(&tcmu_ops);
genl_unregister_family(&tcmu_genl_family);
root_device_unregister(tcmu_root_device);
kmem_cache_destroy(tcmu_cmd_cache);
diff --git a/drivers/target/target_core_xcopy.c b/drivers/target/target_core_xcopy.c
index 5ec0d00edaa3412591eebd4fae6a0bd435005a1a..4515f52546f83c5cd0d4ade575f3a006d9ce3683 100644
--- a/drivers/target/target_core_xcopy.c
+++ b/drivers/target/target_core_xcopy.c
@@ -31,7 +31,6 @@
#include <target/target_core_base.h>
#include <target/target_core_backend.h>
#include <target/target_core_fabric.h>
-#include <target/target_core_configfs.h>
#include "target_core_internal.h"
#include "target_core_pr.h"
@@ -348,8 +347,7 @@ struct xcopy_pt_cmd {
unsigned char sense_buffer[TRANSPORT_SENSE_BUFFER];
};
-static struct se_port xcopy_pt_port;
-static struct se_portal_group xcopy_pt_tpg;
+struct se_portal_group xcopy_pt_tpg;
static struct se_session xcopy_pt_sess;
static struct se_node_acl xcopy_pt_nacl;
@@ -358,11 +356,6 @@ static char *xcopy_pt_get_fabric_name(void)
return "xcopy-pt";
}
-static u32 xcopy_pt_get_tag(struct se_cmd *se_cmd)
-{
- return 0;
-}
-
static int xcopy_pt_get_cmd_state(struct se_cmd *se_cmd)
{
return 0;
@@ -423,7 +416,6 @@ static int xcopy_pt_queue_status(struct se_cmd *se_cmd)
static const struct target_core_fabric_ops xcopy_pt_tfo = {
.get_fabric_name = xcopy_pt_get_fabric_name,
- .get_task_tag = xcopy_pt_get_tag,
.get_cmd_state = xcopy_pt_get_cmd_state,
.release_cmd = xcopy_pt_release_cmd,
.check_stop_free = xcopy_pt_check_stop_free,
@@ -445,17 +437,11 @@ int target_xcopy_setup_pt(void)
return -ENOMEM;
}
- memset(&xcopy_pt_port, 0, sizeof(struct se_port));
- INIT_LIST_HEAD(&xcopy_pt_port.sep_alua_list);
- INIT_LIST_HEAD(&xcopy_pt_port.sep_list);
- mutex_init(&xcopy_pt_port.sep_tg_pt_md_mutex);
-
memset(&xcopy_pt_tpg, 0, sizeof(struct se_portal_group));
INIT_LIST_HEAD(&xcopy_pt_tpg.se_tpg_node);
INIT_LIST_HEAD(&xcopy_pt_tpg.acl_node_list);
INIT_LIST_HEAD(&xcopy_pt_tpg.tpg_sess_list);
- xcopy_pt_port.sep_tpg = &xcopy_pt_tpg;
xcopy_pt_tpg.se_tpg_tfo = &xcopy_pt_tfo;
memset(&xcopy_pt_nacl, 0, sizeof(struct se_node_acl));
@@ -496,10 +482,6 @@ static void target_xcopy_setup_pt_port(
*/
if (remote_port) {
xpt_cmd->remote_port = remote_port;
- pt_cmd->se_lun->lun_sep = &xcopy_pt_port;
- pr_debug("Setup emulated remote DEST xcopy_pt_port: %p to"
- " cmd->se_lun->lun_sep for X-COPY data PUSH\n",
- pt_cmd->se_lun->lun_sep);
} else {
pt_cmd->se_lun = ec_cmd->se_lun;
pt_cmd->se_dev = ec_cmd->se_dev;
@@ -519,10 +501,6 @@ static void target_xcopy_setup_pt_port(
*/
if (remote_port) {
xpt_cmd->remote_port = remote_port;
- pt_cmd->se_lun->lun_sep = &xcopy_pt_port;
- pr_debug("Setup emulated remote SRC xcopy_pt_port: %p to"
- " cmd->se_lun->lun_sep for X-COPY data PULL\n",
- pt_cmd->se_lun->lun_sep);
} else {
pt_cmd->se_lun = ec_cmd->se_lun;
pt_cmd->se_dev = ec_cmd->se_dev;
@@ -574,6 +552,7 @@ static int target_xcopy_setup_pt_cmd(
xpt_cmd->xcopy_op = xop;
target_xcopy_setup_pt_port(xpt_cmd, xop, remote_port);
+ cmd->tag = 0;
sense_rc = target_setup_cmd_from_cdb(cmd, cdb);
if (sense_rc) {
ret = -EINVAL;
diff --git a/drivers/target/tcm_fc/tcm_fc.h b/drivers/target/tcm_fc/tcm_fc.h
index 881deb3d499adc57e578ce9af9890953f9281f2a..39909dadef3e82476ad2747aa42974ee6647162d 100644
--- a/drivers/target/tcm_fc/tcm_fc.h
+++ b/drivers/target/tcm_fc/tcm_fc.h
@@ -80,8 +80,8 @@ struct ft_node_auth {
* Node ACL for FC remote port session.
*/
struct ft_node_acl {
- struct ft_node_auth node_auth;
struct se_node_acl se_node_acl;
+ struct ft_node_auth node_auth;
};
struct ft_lun {
@@ -157,7 +157,6 @@ int ft_queue_status(struct se_cmd *);
int ft_queue_data_in(struct se_cmd *);
int ft_write_pending(struct se_cmd *);
int ft_write_pending_status(struct se_cmd *);
-u32 ft_get_task_tag(struct se_cmd *);
int ft_get_cmd_state(struct se_cmd *);
void ft_queue_tm_resp(struct se_cmd *);
void ft_aborted_task(struct se_cmd *);
diff --git a/drivers/target/tcm_fc/tfc_cmd.c b/drivers/target/tcm_fc/tfc_cmd.c
index 1bf78e7c994c8ef7ec3ecc58cbd7b6a2e3dfa782..68031723e5be33c97742acc286fb4217279cb2d4 100644
--- a/drivers/target/tcm_fc/tfc_cmd.c
+++ b/drivers/target/tcm_fc/tfc_cmd.c
@@ -36,7 +36,6 @@
#include <target/target_core_base.h>
#include <target/target_core_fabric.h>
-#include <target/target_core_configfs.h>
#include <target/configfs_macros.h>
#include "tcm_fc.h"
@@ -243,15 +242,6 @@ int ft_write_pending(struct se_cmd *se_cmd)
return 0;
}
-u32 ft_get_task_tag(struct se_cmd *se_cmd)
-{
- struct ft_cmd *cmd = container_of(se_cmd, struct ft_cmd, se_cmd);
-
- if (cmd->aborted)
- return ~0;
- return fc_seq_exch(cmd->seq)->rxid;
-}
-
int ft_get_cmd_state(struct se_cmd *se_cmd)
{
return 0;
@@ -564,6 +554,7 @@ static void ft_send_work(struct work_struct *work)
}
fc_seq_exch(cmd->seq)->lp->tt.seq_set_resp(cmd->seq, ft_recv_seq, cmd);
+ cmd->se_cmd.tag = fc_seq_exch(cmd->seq)->rxid;
/*
* Use a single se_cmd->cmd_kref as we expect to release se_cmd
* directly from ft_check_stop_free callback in response path.
diff --git a/drivers/target/tcm_fc/tfc_conf.c b/drivers/target/tcm_fc/tfc_conf.c
index 86b699b94c7b615836ac38383554e1c83ff27af2..16670933013bf6b7d803471a73de3c87b79459a1 100644
--- a/drivers/target/tcm_fc/tfc_conf.c
+++ b/drivers/target/tcm_fc/tfc_conf.c
@@ -39,13 +39,10 @@
#include <target/target_core_base.h>
#include <target/target_core_fabric.h>
#include <target/target_core_fabric_configfs.h>
-#include <target/target_core_configfs.h>
#include <target/configfs_macros.h>
#include "tcm_fc.h"
-static const struct target_core_fabric_ops ft_fabric_ops;
-
static LIST_HEAD(ft_wwn_list);
DEFINE_MUTEX(ft_lport_lock);
@@ -194,48 +191,17 @@ static struct configfs_attribute *ft_nacl_base_attrs[] = {
* Add ACL for an initiator. The ACL is named arbitrarily.
* The port_name and/or node_name are attributes.
*/
-static struct se_node_acl *ft_add_acl(
- struct se_portal_group *se_tpg,
- struct config_group *group,
- const char *name)
+static int ft_init_nodeacl(struct se_node_acl *nacl, const char *name)
{
- struct ft_node_acl *acl;
- struct ft_tpg *tpg;
+ struct ft_node_acl *acl =
+ container_of(nacl, struct ft_node_acl, se_node_acl);
u64 wwpn;
- u32 q_depth;
-
- pr_debug("add acl %s\n", name);
- tpg = container_of(se_tpg, struct ft_tpg, se_tpg);
if (ft_parse_wwn(name, &wwpn, 1) < 0)
- return ERR_PTR(-EINVAL);
+ return -EINVAL;
- acl = kzalloc(sizeof(struct ft_node_acl), GFP_KERNEL);
- if (!acl)
- return ERR_PTR(-ENOMEM);
acl->node_auth.port_name = wwpn;
-
- q_depth = 32; /* XXX bogus default - get from tpg? */
- return core_tpg_add_initiator_node_acl(&tpg->se_tpg,
- &acl->se_node_acl, name, q_depth);
-}
-
-static void ft_del_acl(struct se_node_acl *se_acl)
-{
- struct se_portal_group *se_tpg = se_acl->se_tpg;
- struct ft_tpg *tpg;
- struct ft_node_acl *acl = container_of(se_acl,
- struct ft_node_acl, se_node_acl);
-
- pr_debug("del acl %s\n",
- config_item_name(&se_acl->acl_group.cg_item));
-
- tpg = container_of(se_tpg, struct ft_tpg, se_tpg);
- pr_debug("del acl %p se_acl %p tpg %p se_tpg %p\n",
- acl, se_acl, tpg, &tpg->se_tpg);
-
- core_tpg_del_initiator_node_acl(&tpg->se_tpg, se_acl, 1);
- kfree(acl);
+ return 0;
}
struct ft_node_acl *ft_acl_get(struct ft_tpg *tpg, struct fc_rport_priv *rdata)
@@ -245,7 +211,7 @@ struct ft_node_acl *ft_acl_get(struct ft_tpg *tpg, struct fc_rport_priv *rdata)
struct se_portal_group *se_tpg = &tpg->se_tpg;
struct se_node_acl *se_acl;
- spin_lock_irq(&se_tpg->acl_node_lock);
+ mutex_lock(&se_tpg->acl_node_mutex);
list_for_each_entry(se_acl, &se_tpg->acl_node_list, acl_list) {
acl = container_of(se_acl, struct ft_node_acl, se_node_acl);
pr_debug("acl %p port_name %llx\n",
@@ -259,33 +225,10 @@ struct ft_node_acl *ft_acl_get(struct ft_tpg *tpg, struct fc_rport_priv *rdata)
break;
}
}
- spin_unlock_irq(&se_tpg->acl_node_lock);
+ mutex_unlock(&se_tpg->acl_node_mutex);
return found;
}
-static struct se_node_acl *ft_tpg_alloc_fabric_acl(struct se_portal_group *se_tpg)
-{
- struct ft_node_acl *acl;
-
- acl = kzalloc(sizeof(*acl), GFP_KERNEL);
- if (!acl) {
- pr_err("Unable to allocate struct ft_node_acl\n");
- return NULL;
- }
- pr_debug("acl %p\n", acl);
- return &acl->se_node_acl;
-}
-
-static void ft_tpg_release_fabric_acl(struct se_portal_group *se_tpg,
- struct se_node_acl *se_acl)
-{
- struct ft_node_acl *acl = container_of(se_acl,
- struct ft_node_acl, se_node_acl);
-
- pr_debug("acl %p\n", acl);
- kfree(acl);
-}
-
/*
* local_port port_group (tpg) ops.
*/
@@ -333,8 +276,7 @@ static struct se_portal_group *ft_add_tpg(
return NULL;
}
- ret = core_tpg_register(&ft_fabric_ops, wwn, &tpg->se_tpg,
- tpg, TRANSPORT_TPG_TYPE_NORMAL);
+ ret = core_tpg_register(wwn, &tpg->se_tpg, SCSI_PROTOCOL_FCP);
if (ret < 0) {
destroy_workqueue(wq);
kfree(tpg);
@@ -459,6 +401,11 @@ static struct configfs_attribute *ft_wwn_attrs[] = {
NULL,
};
+static inline struct ft_tpg *ft_tpg(struct se_portal_group *se_tpg)
+{
+ return container_of(se_tpg, struct ft_tpg, se_tpg);
+}
+
static char *ft_get_fabric_name(void)
{
return "fc";
@@ -466,25 +413,16 @@ static char *ft_get_fabric_name(void)
static char *ft_get_fabric_wwn(struct se_portal_group *se_tpg)
{
- struct ft_tpg *tpg = se_tpg->se_tpg_fabric_ptr;
-
- return tpg->lport_wwn->name;
+ return ft_tpg(se_tpg)->lport_wwn->name;
}
static u16 ft_get_tag(struct se_portal_group *se_tpg)
{
- struct ft_tpg *tpg = se_tpg->se_tpg_fabric_ptr;
-
/*
* This tag is used when forming SCSI Name identifier in EVPD=1 0x83
* to represent the SCSI Target Port.
*/
- return tpg->index;
-}
-
-static u32 ft_get_default_depth(struct se_portal_group *se_tpg)
-{
- return 1;
+ return ft_tpg(se_tpg)->index;
}
static int ft_check_false(struct se_portal_group *se_tpg)
@@ -498,28 +436,20 @@ static void ft_set_default_node_attr(struct se_node_acl *se_nacl)
static u32 ft_tpg_get_inst_index(struct se_portal_group *se_tpg)
{
- struct ft_tpg *tpg = se_tpg->se_tpg_fabric_ptr;
-
- return tpg->index;
+ return ft_tpg(se_tpg)->index;
}
static const struct target_core_fabric_ops ft_fabric_ops = {
.module = THIS_MODULE,
.name = "fc",
+ .node_acl_size = sizeof(struct ft_node_acl),
.get_fabric_name = ft_get_fabric_name,
- .get_fabric_proto_ident = fc_get_fabric_proto_ident,
.tpg_get_wwn = ft_get_fabric_wwn,
.tpg_get_tag = ft_get_tag,
- .tpg_get_default_depth = ft_get_default_depth,
- .tpg_get_pr_transport_id = fc_get_pr_transport_id,
- .tpg_get_pr_transport_id_len = fc_get_pr_transport_id_len,
- .tpg_parse_pr_out_transport_id = fc_parse_pr_out_transport_id,
.tpg_check_demo_mode = ft_check_false,
.tpg_check_demo_mode_cache = ft_check_false,
.tpg_check_demo_mode_write_protect = ft_check_false,
.tpg_check_prod_mode_write_protect = ft_check_false,
- .tpg_alloc_fabric_acl = ft_tpg_alloc_fabric_acl,
- .tpg_release_fabric_acl = ft_tpg_release_fabric_acl,
.tpg_get_inst_index = ft_tpg_get_inst_index,
.check_stop_free = ft_check_stop_free,
.release_cmd = ft_release_cmd,
@@ -530,7 +460,6 @@ static const struct target_core_fabric_ops ft_fabric_ops = {
.write_pending = ft_write_pending,
.write_pending_status = ft_write_pending_status,
.set_default_node_attributes = ft_set_default_node_attr,
- .get_task_tag = ft_get_task_tag,
.get_cmd_state = ft_get_cmd_state,
.queue_data_in = ft_queue_data_in,
.queue_status = ft_queue_status,
@@ -544,12 +473,7 @@ static const struct target_core_fabric_ops ft_fabric_ops = {
.fabric_drop_wwn = &ft_del_wwn,
.fabric_make_tpg = &ft_add_tpg,
.fabric_drop_tpg = &ft_del_tpg,
- .fabric_post_link = NULL,
- .fabric_pre_unlink = NULL,
- .fabric_make_np = NULL,
- .fabric_drop_np = NULL,
- .fabric_make_nodeacl = &ft_add_acl,
- .fabric_drop_nodeacl = &ft_del_acl,
+ .fabric_init_nodeacl = &ft_init_nodeacl,
.tfc_wwn_attrs = ft_wwn_attrs,
.tfc_tpg_nacl_base_attrs = ft_nacl_base_attrs,
diff --git a/drivers/target/tcm_fc/tfc_io.c b/drivers/target/tcm_fc/tfc_io.c
index fe585d1cce231c246150d5d639837fab68bbb09f..4b0fedd6bd4be2236f2beb636e05251345687c60 100644
--- a/drivers/target/tcm_fc/tfc_io.c
+++ b/drivers/target/tcm_fc/tfc_io.c
@@ -44,7 +44,6 @@
#include <target/target_core_base.h>
#include <target/target_core_fabric.h>
-#include <target/target_core_configfs.h>
#include <target/configfs_macros.h>
#include "tcm_fc.h"
diff --git a/drivers/target/tcm_fc/tfc_sess.c b/drivers/target/tcm_fc/tfc_sess.c
index f2a616d4f2c481ef568abfa5faff1a0063ebf36e..31a9e3fb98c5321de2e6b774c875845638c81862 100644
--- a/drivers/target/tcm_fc/tfc_sess.c
+++ b/drivers/target/tcm_fc/tfc_sess.c
@@ -36,7 +36,6 @@
#include <target/target_core_base.h>
#include <target/target_core_fabric.h>
-#include <target/target_core_configfs.h>
#include <target/configfs_macros.h>
#include "tcm_fc.h"
diff --git a/drivers/usb/gadget/legacy/tcm_usb_gadget.c b/drivers/usb/gadget/legacy/tcm_usb_gadget.c
index 6ce932f90ef84ee961eee50dd95ec4cc83bfacad..c3c48088fced7b90703b068b2527635a6a5e01ea 100644
--- a/drivers/usb/gadget/legacy/tcm_usb_gadget.c
+++ b/drivers/usb/gadget/legacy/tcm_usb_gadget.c
@@ -20,7 +20,6 @@
#include <target/target_core_base.h>
#include <target/target_core_fabric.h>
#include <target/target_core_fabric_configfs.h>
-#include <target/target_core_configfs.h>
#include <target/configfs_macros.h>
#include <asm/unaligned.h>
@@ -28,8 +27,6 @@
USB_GADGET_COMPOSITE_OPTIONS();
-static const struct target_core_fabric_ops usbg_ops;
-
static inline struct f_uas *to_f_uas(struct usb_function *f)
{
return container_of(f, struct f_uas, function);
@@ -1111,6 +1108,7 @@ static int usbg_submit_command(struct f_uas *fu,
memcpy(cmd->cmd_buf, cmd_iu->cdb, cmd_len);
cmd->tag = be16_to_cpup(&cmd_iu->tag);
+ cmd->se_cmd.tag = cmd->tag;
if (fu->flags & USBG_USE_STREAMS) {
if (cmd->tag > UASP_SS_EP_COMP_NUM_STREAMS)
goto err;
@@ -1244,6 +1242,7 @@ static int bot_submit_command(struct f_uas *fu,
cmd->unpacked_lun = cbw->Lun;
cmd->is_read = cbw->Flags & US_BULK_FLAG_IN ? 1 : 0;
cmd->data_len = le32_to_cpu(cbw->DataTransferLength);
+ cmd->se_cmd.tag = le32_to_cpu(cmd->bot_tag);
INIT_WORK(&cmd->work, bot_cmd_work);
ret = queue_work(tpg->workqueue, &cmd->work);
@@ -1273,23 +1272,6 @@ static char *usbg_get_fabric_name(void)
return "usb_gadget";
}
-static u8 usbg_get_fabric_proto_ident(struct se_portal_group *se_tpg)
-{
- struct usbg_tpg *tpg = container_of(se_tpg,
- struct usbg_tpg, se_tpg);
- struct usbg_tport *tport = tpg->tport;
- u8 proto_id;
-
- switch (tport->tport_proto_id) {
- case SCSI_PROTOCOL_SAS:
- default:
- proto_id = sas_get_fabric_proto_ident(se_tpg);
- break;
- }
-
- return proto_id;
-}
-
static char *usbg_get_fabric_wwn(struct se_portal_group *se_tpg)
{
struct usbg_tpg *tpg = container_of(se_tpg,
@@ -1306,97 +1288,6 @@ static u16 usbg_get_tag(struct se_portal_group *se_tpg)
return tpg->tport_tpgt;
}
-static u32 usbg_get_default_depth(struct se_portal_group *se_tpg)
-{
- return 1;
-}
-
-static u32 usbg_get_pr_transport_id(
- struct se_portal_group *se_tpg,
- struct se_node_acl *se_nacl,
- struct t10_pr_registration *pr_reg,
- int *format_code,
- unsigned char *buf)
-{
- struct usbg_tpg *tpg = container_of(se_tpg,
- struct usbg_tpg, se_tpg);
- struct usbg_tport *tport = tpg->tport;
- int ret = 0;
-
- switch (tport->tport_proto_id) {
- case SCSI_PROTOCOL_SAS:
- default:
- ret = sas_get_pr_transport_id(se_tpg, se_nacl, pr_reg,
- format_code, buf);
- break;
- }
-
- return ret;
-}
-
-static u32 usbg_get_pr_transport_id_len(
- struct se_portal_group *se_tpg,
- struct se_node_acl *se_nacl,
- struct t10_pr_registration *pr_reg,
- int *format_code)
-{
- struct usbg_tpg *tpg = container_of(se_tpg,
- struct usbg_tpg, se_tpg);
- struct usbg_tport *tport = tpg->tport;
- int ret = 0;
-
- switch (tport->tport_proto_id) {
- case SCSI_PROTOCOL_SAS:
- default:
- ret = sas_get_pr_transport_id_len(se_tpg, se_nacl, pr_reg,
- format_code);
- break;
- }
-
- return ret;
-}
-
-static char *usbg_parse_pr_out_transport_id(
- struct se_portal_group *se_tpg,
- const char *buf,
- u32 *out_tid_len,
- char **port_nexus_ptr)
-{
- struct usbg_tpg *tpg = container_of(se_tpg,
- struct usbg_tpg, se_tpg);
- struct usbg_tport *tport = tpg->tport;
- char *tid = NULL;
-
- switch (tport->tport_proto_id) {
- case SCSI_PROTOCOL_SAS:
- default:
- tid = sas_parse_pr_out_transport_id(se_tpg, buf, out_tid_len,
- port_nexus_ptr);
- }
-
- return tid;
-}
-
-static struct se_node_acl *usbg_alloc_fabric_acl(struct se_portal_group *se_tpg)
-{
- struct usbg_nacl *nacl;
-
- nacl = kzalloc(sizeof(struct usbg_nacl), GFP_KERNEL);
- if (!nacl)
- return NULL;
-
- return &nacl->se_node_acl;
-}
-
-static void usbg_release_fabric_acl(
- struct se_portal_group *se_tpg,
- struct se_node_acl *se_nacl)
-{
- struct usbg_nacl *nacl = container_of(se_nacl,
- struct usbg_nacl, se_node_acl);
- kfree(nacl);
-}
-
static u32 usbg_tpg_get_inst_index(struct se_portal_group *se_tpg)
{
return 1;
@@ -1447,18 +1338,6 @@ static void usbg_set_default_node_attrs(struct se_node_acl *nacl)
return;
}
-static u32 usbg_get_task_tag(struct se_cmd *se_cmd)
-{
- struct usbg_cmd *cmd = container_of(se_cmd, struct usbg_cmd,
- se_cmd);
- struct f_uas *fu = cmd->fu;
-
- if (fu->flags & USBG_IS_BOT)
- return le32_to_cpu(cmd->bot_tag);
- else
- return cmd->tag;
-}
-
static int usbg_get_cmd_state(struct se_cmd *se_cmd)
{
return 0;
@@ -1488,50 +1367,11 @@ static const char *usbg_check_wwn(const char *name)
return n;
}
-static struct se_node_acl *usbg_make_nodeacl(
- struct se_portal_group *se_tpg,
- struct config_group *group,
- const char *name)
-{
- struct se_node_acl *se_nacl, *se_nacl_new;
- struct usbg_nacl *nacl;
- u64 wwpn = 0;
- u32 nexus_depth;
- const char *wnn_name;
-
- wnn_name = usbg_check_wwn(name);
- if (!wnn_name)
- return ERR_PTR(-EINVAL);
- se_nacl_new = usbg_alloc_fabric_acl(se_tpg);
- if (!(se_nacl_new))
- return ERR_PTR(-ENOMEM);
-
- nexus_depth = 1;
- /*
- * se_nacl_new may be released by core_tpg_add_initiator_node_acl()
- * when converting a NodeACL from demo mode -> explict
- */
- se_nacl = core_tpg_add_initiator_node_acl(se_tpg, se_nacl_new,
- name, nexus_depth);
- if (IS_ERR(se_nacl)) {
- usbg_release_fabric_acl(se_tpg, se_nacl_new);
- return se_nacl;
- }
- /*
- * Locate our struct usbg_nacl and set the FC Nport WWPN
- */
- nacl = container_of(se_nacl, struct usbg_nacl, se_node_acl);
- nacl->iport_wwpn = wwpn;
- snprintf(nacl->iport_name, sizeof(nacl->iport_name), "%s", name);
- return se_nacl;
-}
-
-static void usbg_drop_nodeacl(struct se_node_acl *se_acl)
+static int usbg_init_nodeacl(struct se_node_acl *se_nacl, const char *name)
{
- struct usbg_nacl *nacl = container_of(se_acl,
- struct usbg_nacl, se_node_acl);
- core_tpg_del_initiator_node_acl(se_acl->se_tpg, se_acl, 1);
- kfree(nacl);
+ if (!usbg_check_wwn(name))
+ return -EINVAL;
+ return 0;
}
struct usbg_tpg *the_only_tpg_I_currently_have;
@@ -1571,8 +1411,11 @@ static struct se_portal_group *usbg_make_tpg(
tpg->tport = tport;
tpg->tport_tpgt = tpgt;
- ret = core_tpg_register(&usbg_ops, wwn, &tpg->se_tpg, tpg,
- TRANSPORT_TPG_TYPE_NORMAL);
+ /*
+ * SPC doesn't assign a protocol identifier for USB-SCSI, so we
+ * pretend to be SAS..
+ */
+ ret = core_tpg_register(wwn, &tpg->se_tpg, SCSI_PROTOCOL_SAS);
if (ret < 0) {
destroy_workqueue(tpg->workqueue);
kfree(tpg);
@@ -1866,19 +1709,12 @@ static const struct target_core_fabric_ops usbg_ops = {
.module = THIS_MODULE,
.name = "usb_gadget",
.get_fabric_name = usbg_get_fabric_name,
- .get_fabric_proto_ident = usbg_get_fabric_proto_ident,
.tpg_get_wwn = usbg_get_fabric_wwn,
.tpg_get_tag = usbg_get_tag,
- .tpg_get_default_depth = usbg_get_default_depth,
- .tpg_get_pr_transport_id = usbg_get_pr_transport_id,
- .tpg_get_pr_transport_id_len = usbg_get_pr_transport_id_len,
- .tpg_parse_pr_out_transport_id = usbg_parse_pr_out_transport_id,
.tpg_check_demo_mode = usbg_check_true,
.tpg_check_demo_mode_cache = usbg_check_false,
.tpg_check_demo_mode_write_protect = usbg_check_false,
.tpg_check_prod_mode_write_protect = usbg_check_false,
- .tpg_alloc_fabric_acl = usbg_alloc_fabric_acl,
- .tpg_release_fabric_acl = usbg_release_fabric_acl,
.tpg_get_inst_index = usbg_tpg_get_inst_index,
.release_cmd = usbg_release_cmd,
.shutdown_session = usbg_shutdown_session,
@@ -1888,7 +1724,6 @@ static const struct target_core_fabric_ops usbg_ops = {
.write_pending = usbg_send_write_request,
.write_pending_status = usbg_write_pending_status,
.set_default_node_attributes = usbg_set_default_node_attrs,
- .get_task_tag = usbg_get_task_tag,
.get_cmd_state = usbg_get_cmd_state,
.queue_data_in = usbg_send_read_response,
.queue_status = usbg_send_status_response,
@@ -1902,10 +1737,7 @@ static const struct target_core_fabric_ops usbg_ops = {
.fabric_drop_tpg = usbg_drop_tpg,
.fabric_post_link = usbg_port_link,
.fabric_pre_unlink = usbg_port_unlink,
- .fabric_make_np = NULL,
- .fabric_drop_np = NULL,
- .fabric_make_nodeacl = usbg_make_nodeacl,
- .fabric_drop_nodeacl = usbg_drop_nodeacl,
+ .fabric_init_nodeacl = usbg_init_nodeacl,
.tfc_wwn_attrs = usbg_wwn_attrs,
.tfc_tpg_base_attrs = usbg_base_attrs,
diff --git a/drivers/usb/gadget/legacy/tcm_usb_gadget.h b/drivers/usb/gadget/legacy/tcm_usb_gadget.h
index 9fb3544cc80f088d547d264945944043508418e3..0b749e1aa2f10e56ac667c19145f09446627ad66 100644
--- a/drivers/usb/gadget/legacy/tcm_usb_gadget.h
+++ b/drivers/usb/gadget/legacy/tcm_usb_gadget.h
@@ -24,15 +24,6 @@ enum {
#define USB_G_ALT_INT_BBB 0
#define USB_G_ALT_INT_UAS 1
-struct usbg_nacl {
- /* Binary World Wide unique Port Name for SAS Initiator port */
- u64 iport_wwpn;
- /* ASCII formatted WWPN for Sas Initiator port */
- char iport_name[USBG_NAMELEN];
- /* Returned by usbg_make_nodeacl() */
- struct se_node_acl se_node_acl;
-};
-
struct tcm_usbg_nexus {
struct se_session *tvn_se_sess;
};
@@ -52,8 +43,6 @@ struct usbg_tpg {
};
struct usbg_tport {
- /* SCSI protocol the tport is providing */
- u8 tport_proto_id;
/* Binary World Wide unique Port Name for SAS Target port */
u64 tport_wwpn;
/* ASCII formatted WWPN for SAS Target port */
diff --git a/drivers/vhost/scsi.c b/drivers/vhost/scsi.c
index 55722feeb898d12c7724bb3142ced1bf3691ee91..dfcc02c936485199c44d1545bf95b73bfe23ff97 100644
--- a/drivers/vhost/scsi.c
+++ b/drivers/vhost/scsi.c
@@ -43,7 +43,6 @@
#include <target/target_core_base.h>
#include <target/target_core_fabric.h>
#include <target/target_core_fabric_configfs.h>
-#include <target/target_core_configfs.h>
#include <target/configfs_macros.h>
#include <linux/vhost.h>
#include <linux/virtio_scsi.h>
@@ -117,15 +116,6 @@ struct vhost_scsi_nexus {
struct se_session *tvn_se_sess;
};
-struct vhost_scsi_nacl {
- /* Binary World Wide unique Port Name for Vhost Initiator port */
- u64 iport_wwpn;
- /* ASCII formatted WWPN for Sas Initiator port */
- char iport_name[VHOST_SCSI_NAMELEN];
- /* Returned by vhost_scsi_make_nodeacl() */
- struct se_node_acl se_node_acl;
-};
-
struct vhost_scsi_tpg {
/* Vhost port target portal group tag for TCM */
u16 tport_tpgt;
@@ -218,7 +208,6 @@ struct vhost_scsi {
int vs_events_nr; /* num of pending events, protected by vq->mutex */
};
-static struct target_core_fabric_ops vhost_scsi_ops;
static struct workqueue_struct *vhost_scsi_workqueue;
/* Global spinlock to protect vhost_scsi TPG list for vhost IOCTL access */
@@ -299,28 +288,6 @@ static char *vhost_scsi_get_fabric_name(void)
return "vhost";
}
-static u8 vhost_scsi_get_fabric_proto_ident(struct se_portal_group *se_tpg)
-{
- struct vhost_scsi_tpg *tpg = container_of(se_tpg,
- struct vhost_scsi_tpg, se_tpg);
- struct vhost_scsi_tport *tport = tpg->tport;
-
- switch (tport->tport_proto_id) {
- case SCSI_PROTOCOL_SAS:
- return sas_get_fabric_proto_ident(se_tpg);
- case SCSI_PROTOCOL_FCP:
- return fc_get_fabric_proto_ident(se_tpg);
- case SCSI_PROTOCOL_ISCSI:
- return iscsi_get_fabric_proto_ident(se_tpg);
- default:
- pr_err("Unknown tport_proto_id: 0x%02x, using"
- " SAS emulation\n", tport->tport_proto_id);
- break;
- }
-
- return sas_get_fabric_proto_ident(se_tpg);
-}
-
static char *vhost_scsi_get_fabric_wwn(struct se_portal_group *se_tpg)
{
struct vhost_scsi_tpg *tpg = container_of(se_tpg,
@@ -337,102 +304,6 @@ static u16 vhost_scsi_get_tpgt(struct se_portal_group *se_tpg)
return tpg->tport_tpgt;
}
-static u32 vhost_scsi_get_default_depth(struct se_portal_group *se_tpg)
-{
- return 1;
-}
-
-static u32
-vhost_scsi_get_pr_transport_id(struct se_portal_group *se_tpg,
- struct se_node_acl *se_nacl,
- struct t10_pr_registration *pr_reg,
- int *format_code,
- unsigned char *buf)
-{
- struct vhost_scsi_tpg *tpg = container_of(se_tpg,
- struct vhost_scsi_tpg, se_tpg);
- struct vhost_scsi_tport *tport = tpg->tport;
-
- switch (tport->tport_proto_id) {
- case SCSI_PROTOCOL_SAS:
- return sas_get_pr_transport_id(se_tpg, se_nacl, pr_reg,
- format_code, buf);
- case SCSI_PROTOCOL_FCP:
- return fc_get_pr_transport_id(se_tpg, se_nacl, pr_reg,
- format_code, buf);
- case SCSI_PROTOCOL_ISCSI:
- return iscsi_get_pr_transport_id(se_tpg, se_nacl, pr_reg,
- format_code, buf);
- default:
- pr_err("Unknown tport_proto_id: 0x%02x, using"
- " SAS emulation\n", tport->tport_proto_id);
- break;
- }
-
- return sas_get_pr_transport_id(se_tpg, se_nacl, pr_reg,
- format_code, buf);
-}
-
-static u32
-vhost_scsi_get_pr_transport_id_len(struct se_portal_group *se_tpg,
- struct se_node_acl *se_nacl,
- struct t10_pr_registration *pr_reg,
- int *format_code)
-{
- struct vhost_scsi_tpg *tpg = container_of(se_tpg,
- struct vhost_scsi_tpg, se_tpg);
- struct vhost_scsi_tport *tport = tpg->tport;
-
- switch (tport->tport_proto_id) {
- case SCSI_PROTOCOL_SAS:
- return sas_get_pr_transport_id_len(se_tpg, se_nacl, pr_reg,
- format_code);
- case SCSI_PROTOCOL_FCP:
- return fc_get_pr_transport_id_len(se_tpg, se_nacl, pr_reg,
- format_code);
- case SCSI_PROTOCOL_ISCSI:
- return iscsi_get_pr_transport_id_len(se_tpg, se_nacl, pr_reg,
- format_code);
- default:
- pr_err("Unknown tport_proto_id: 0x%02x, using"
- " SAS emulation\n", tport->tport_proto_id);
- break;
- }
-
- return sas_get_pr_transport_id_len(se_tpg, se_nacl, pr_reg,
- format_code);
-}
-
-static char *
-vhost_scsi_parse_pr_out_transport_id(struct se_portal_group *se_tpg,
- const char *buf,
- u32 *out_tid_len,
- char **port_nexus_ptr)
-{
- struct vhost_scsi_tpg *tpg = container_of(se_tpg,
- struct vhost_scsi_tpg, se_tpg);
- struct vhost_scsi_tport *tport = tpg->tport;
-
- switch (tport->tport_proto_id) {
- case SCSI_PROTOCOL_SAS:
- return sas_parse_pr_out_transport_id(se_tpg, buf, out_tid_len,
- port_nexus_ptr);
- case SCSI_PROTOCOL_FCP:
- return fc_parse_pr_out_transport_id(se_tpg, buf, out_tid_len,
- port_nexus_ptr);
- case SCSI_PROTOCOL_ISCSI:
- return iscsi_parse_pr_out_transport_id(se_tpg, buf, out_tid_len,
- port_nexus_ptr);
- default:
- pr_err("Unknown tport_proto_id: 0x%02x, using"
- " SAS emulation\n", tport->tport_proto_id);
- break;
- }
-
- return sas_parse_pr_out_transport_id(se_tpg, buf, out_tid_len,
- port_nexus_ptr);
-}
-
static int vhost_scsi_check_prot_fabric_only(struct se_portal_group *se_tpg)
{
struct vhost_scsi_tpg *tpg = container_of(se_tpg,
@@ -441,29 +312,6 @@ static int vhost_scsi_check_prot_fabric_only(struct se_portal_group *se_tpg)
return tpg->tv_fabric_prot_type;
}
-static struct se_node_acl *
-vhost_scsi_alloc_fabric_acl(struct se_portal_group *se_tpg)
-{
- struct vhost_scsi_nacl *nacl;
-
- nacl = kzalloc(sizeof(struct vhost_scsi_nacl), GFP_KERNEL);
- if (!nacl) {
- pr_err("Unable to allocate struct vhost_scsi_nacl\n");
- return NULL;
- }
-
- return &nacl->se_node_acl;
-}
-
-static void
-vhost_scsi_release_fabric_acl(struct se_portal_group *se_tpg,
- struct se_node_acl *se_nacl)
-{
- struct vhost_scsi_nacl *nacl = container_of(se_nacl,
- struct vhost_scsi_nacl, se_node_acl);
- kfree(nacl);
-}
-
static u32 vhost_scsi_tpg_get_inst_index(struct se_portal_group *se_tpg)
{
return 1;
@@ -521,11 +369,6 @@ static void vhost_scsi_set_default_node_attrs(struct se_node_acl *nacl)
return;
}
-static u32 vhost_scsi_get_task_tag(struct se_cmd *se_cmd)
-{
- return 0;
-}
-
static int vhost_scsi_get_cmd_state(struct se_cmd *se_cmd)
{
return 0;
@@ -609,7 +452,7 @@ static void vhost_scsi_free_cmd(struct vhost_scsi_cmd *cmd)
static int vhost_scsi_check_stop_free(struct se_cmd *se_cmd)
{
- return target_put_sess_cmd(se_cmd->se_sess, se_cmd);
+ return target_put_sess_cmd(se_cmd);
}
static void
@@ -970,6 +813,7 @@ static void vhost_scsi_submission_work(struct work_struct *work)
}
tv_nexus = cmd->tvc_nexus;
+ se_cmd->tag = 0;
rc = target_submit_cmd_map_sgls(se_cmd, tv_nexus->tvn_se_sess,
cmd->tvc_cdb, &cmd->tvc_sense_buf[0],
cmd->tvc_lun, cmd->tvc_exp_data_len,
@@ -1824,50 +1668,6 @@ static void vhost_scsi_port_unlink(struct se_portal_group *se_tpg,
mutex_unlock(&vhost_scsi_mutex);
}
-static struct se_node_acl *
-vhost_scsi_make_nodeacl(struct se_portal_group *se_tpg,
- struct config_group *group,
- const char *name)
-{
- struct se_node_acl *se_nacl, *se_nacl_new;
- struct vhost_scsi_nacl *nacl;
- u64 wwpn = 0;
- u32 nexus_depth;
-
- /* vhost_scsi_parse_wwn(name, &wwpn, 1) < 0)
- return ERR_PTR(-EINVAL); */
- se_nacl_new = vhost_scsi_alloc_fabric_acl(se_tpg);
- if (!se_nacl_new)
- return ERR_PTR(-ENOMEM);
-
- nexus_depth = 1;
- /*
- * se_nacl_new may be released by core_tpg_add_initiator_node_acl()
- * when converting a NodeACL from demo mode -> explict
- */
- se_nacl = core_tpg_add_initiator_node_acl(se_tpg, se_nacl_new,
- name, nexus_depth);
- if (IS_ERR(se_nacl)) {
- vhost_scsi_release_fabric_acl(se_tpg, se_nacl_new);
- return se_nacl;
- }
- /*
- * Locate our struct vhost_scsi_nacl and set the FC Nport WWPN
- */
- nacl = container_of(se_nacl, struct vhost_scsi_nacl, se_node_acl);
- nacl->iport_wwpn = wwpn;
-
- return se_nacl;
-}
-
-static void vhost_scsi_drop_nodeacl(struct se_node_acl *se_acl)
-{
- struct vhost_scsi_nacl *nacl = container_of(se_acl,
- struct vhost_scsi_nacl, se_node_acl);
- core_tpg_del_initiator_node_acl(se_acl->se_tpg, se_acl, 1);
- kfree(nacl);
-}
-
static void vhost_scsi_free_cmd_map_res(struct vhost_scsi_nexus *nexus,
struct se_session *se_sess)
{
@@ -2202,8 +2002,7 @@ vhost_scsi_make_tpg(struct se_wwn *wwn,
tpg->tport = tport;
tpg->tport_tpgt = tpgt;
- ret = core_tpg_register(&vhost_scsi_ops, wwn,
- &tpg->se_tpg, tpg, TRANSPORT_TPG_TYPE_NORMAL);
+ ret = core_tpg_register(wwn, &tpg->se_tpg, tport->tport_proto_id);
if (ret < 0) {
kfree(tpg);
return NULL;
@@ -2327,20 +2126,13 @@ static struct target_core_fabric_ops vhost_scsi_ops = {
.module = THIS_MODULE,
.name = "vhost",
.get_fabric_name = vhost_scsi_get_fabric_name,
- .get_fabric_proto_ident = vhost_scsi_get_fabric_proto_ident,
.tpg_get_wwn = vhost_scsi_get_fabric_wwn,
.tpg_get_tag = vhost_scsi_get_tpgt,
- .tpg_get_default_depth = vhost_scsi_get_default_depth,
- .tpg_get_pr_transport_id = vhost_scsi_get_pr_transport_id,
- .tpg_get_pr_transport_id_len = vhost_scsi_get_pr_transport_id_len,
- .tpg_parse_pr_out_transport_id = vhost_scsi_parse_pr_out_transport_id,
.tpg_check_demo_mode = vhost_scsi_check_true,
.tpg_check_demo_mode_cache = vhost_scsi_check_true,
.tpg_check_demo_mode_write_protect = vhost_scsi_check_false,
.tpg_check_prod_mode_write_protect = vhost_scsi_check_false,
.tpg_check_prot_fabric_only = vhost_scsi_check_prot_fabric_only,
- .tpg_alloc_fabric_acl = vhost_scsi_alloc_fabric_acl,
- .tpg_release_fabric_acl = vhost_scsi_release_fabric_acl,
.tpg_get_inst_index = vhost_scsi_tpg_get_inst_index,
.release_cmd = vhost_scsi_release_cmd,
.check_stop_free = vhost_scsi_check_stop_free,
@@ -2351,7 +2143,6 @@ static struct target_core_fabric_ops vhost_scsi_ops = {
.write_pending = vhost_scsi_write_pending,
.write_pending_status = vhost_scsi_write_pending_status,
.set_default_node_attributes = vhost_scsi_set_default_node_attrs,
- .get_task_tag = vhost_scsi_get_task_tag,
.get_cmd_state = vhost_scsi_get_cmd_state,
.queue_data_in = vhost_scsi_queue_data_in,
.queue_status = vhost_scsi_queue_status,
@@ -2366,10 +2157,6 @@ static struct target_core_fabric_ops vhost_scsi_ops = {
.fabric_drop_tpg = vhost_scsi_drop_tpg,
.fabric_post_link = vhost_scsi_port_link,
.fabric_pre_unlink = vhost_scsi_port_unlink,
- .fabric_make_np = NULL,
- .fabric_drop_np = NULL,
- .fabric_make_nodeacl = vhost_scsi_make_nodeacl,
- .fabric_drop_nodeacl = vhost_scsi_drop_nodeacl,
.tfc_wwn_attrs = vhost_scsi_wwn_attrs,
.tfc_tpg_base_attrs = vhost_scsi_tpg_attrs,
diff --git a/drivers/xen/xen-scsiback.c b/drivers/xen/xen-scsiback.c
index 39223c3e99ad5277a3bc525647b7a58f7df668f8..9eeefd7cad41127dcade5d81c06647218abeaccc 100644
--- a/drivers/xen/xen-scsiback.c
+++ b/drivers/xen/xen-scsiback.c
@@ -53,7 +53,6 @@
#include <target/target_core_base.h>
#include <target/target_core_fabric.h>
-#include <target/target_core_configfs.h>
#include <target/target_core_fabric_configfs.h>
#include <asm/hypervisor.h>
@@ -201,8 +200,6 @@ static LIST_HEAD(scsiback_free_pages);
static DEFINE_MUTEX(scsiback_mutex);
static LIST_HEAD(scsiback_list);
-static const struct target_core_fabric_ops scsiback_ops;
-
static void scsiback_get(struct vscsibk_info *info)
{
atomic_inc(&info->nr_unreplied_reqs);
@@ -397,6 +394,7 @@ static void scsiback_cmd_exec(struct vscsibk_pend *pending_req)
memset(se_cmd, 0, sizeof(*se_cmd));
scsiback_get(pending_req->info);
+ se_cmd->tag = pending_req->rqid;
rc = target_submit_cmd_map_sgls(se_cmd, sess, pending_req->cmnd,
pending_req->sense_buffer, pending_req->v2p->lun,
pending_req->data_len, 0,
@@ -863,7 +861,8 @@ static int scsiback_add_translation_entry(struct vscsibk_info *info,
struct list_head *head = &(info->v2p_entry_lists);
unsigned long flags;
char *lunp;
- unsigned int lun;
+ unsigned long long unpacked_lun;
+ struct se_lun *se_lun;
struct scsiback_tpg *tpg_entry, *tpg = NULL;
char *error = "doesn't exist";
@@ -874,24 +873,27 @@ static int scsiback_add_translation_entry(struct vscsibk_info *info,
}
*lunp = 0;
lunp++;
- if (kstrtouint(lunp, 10, &lun) || lun >= TRANSPORT_MAX_LUNS_PER_TPG) {
+ err = kstrtoull(lunp, 10, &unpacked_lun);
+ if (err < 0) {
pr_err("lun number not valid: %s\n", lunp);
- return -EINVAL;
+ return err;
}
mutex_lock(&scsiback_mutex);
list_for_each_entry(tpg_entry, &scsiback_list, tv_tpg_list) {
if (!strcmp(phy, tpg_entry->tport->tport_name) ||
!strcmp(phy, tpg_entry->param_alias)) {
- spin_lock(&tpg_entry->se_tpg.tpg_lun_lock);
- if (tpg_entry->se_tpg.tpg_lun_list[lun]->lun_status ==
- TRANSPORT_LUN_STATUS_ACTIVE) {
- if (!tpg_entry->tpg_nexus)
- error = "nexus undefined";
- else
- tpg = tpg_entry;
+ mutex_lock(&tpg_entry->se_tpg.tpg_lun_mutex);
+ hlist_for_each_entry(se_lun, &tpg_entry->se_tpg.tpg_lun_hlist, link) {
+ if (se_lun->unpacked_lun == unpacked_lun) {
+ if (!tpg_entry->tpg_nexus)
+ error = "nexus undefined";
+ else
+ tpg = tpg_entry;
+ break;
+ }
}
- spin_unlock(&tpg_entry->se_tpg.tpg_lun_lock);
+ mutex_unlock(&tpg_entry->se_tpg.tpg_lun_mutex);
break;
}
}
@@ -903,7 +905,7 @@ static int scsiback_add_translation_entry(struct vscsibk_info *info,
mutex_unlock(&scsiback_mutex);
if (!tpg) {
- pr_err("%s:%d %s\n", phy, lun, error);
+ pr_err("%s:%llu %s\n", phy, unpacked_lun, error);
return -ENODEV;
}
@@ -931,7 +933,7 @@ static int scsiback_add_translation_entry(struct vscsibk_info *info,
kref_init(&new->kref);
new->v = *v;
new->tpg = tpg;
- new->lun = lun;
+ new->lun = unpacked_lun;
list_add_tail(&new->l, head);
out:
@@ -1251,28 +1253,6 @@ static char *scsiback_dump_proto_id(struct scsiback_tport *tport)
return "Unknown";
}
-static u8 scsiback_get_fabric_proto_ident(struct se_portal_group *se_tpg)
-{
- struct scsiback_tpg *tpg = container_of(se_tpg,
- struct scsiback_tpg, se_tpg);
- struct scsiback_tport *tport = tpg->tport;
-
- switch (tport->tport_proto_id) {
- case SCSI_PROTOCOL_SAS:
- return sas_get_fabric_proto_ident(se_tpg);
- case SCSI_PROTOCOL_FCP:
- return fc_get_fabric_proto_ident(se_tpg);
- case SCSI_PROTOCOL_ISCSI:
- return iscsi_get_fabric_proto_ident(se_tpg);
- default:
- pr_err("Unknown tport_proto_id: 0x%02x, using SAS emulation\n",
- tport->tport_proto_id);
- break;
- }
-
- return sas_get_fabric_proto_ident(se_tpg);
-}
-
static char *scsiback_get_fabric_wwn(struct se_portal_group *se_tpg)
{
struct scsiback_tpg *tpg = container_of(se_tpg,
@@ -1289,102 +1269,6 @@ static u16 scsiback_get_tag(struct se_portal_group *se_tpg)
return tpg->tport_tpgt;
}
-static u32 scsiback_get_default_depth(struct se_portal_group *se_tpg)
-{
- return 1;
-}
-
-static u32
-scsiback_get_pr_transport_id(struct se_portal_group *se_tpg,
- struct se_node_acl *se_nacl,
- struct t10_pr_registration *pr_reg,
- int *format_code,
- unsigned char *buf)
-{
- struct scsiback_tpg *tpg = container_of(se_tpg,
- struct scsiback_tpg, se_tpg);
- struct scsiback_tport *tport = tpg->tport;
-
- switch (tport->tport_proto_id) {
- case SCSI_PROTOCOL_SAS:
- return sas_get_pr_transport_id(se_tpg, se_nacl, pr_reg,
- format_code, buf);
- case SCSI_PROTOCOL_FCP:
- return fc_get_pr_transport_id(se_tpg, se_nacl, pr_reg,
- format_code, buf);
- case SCSI_PROTOCOL_ISCSI:
- return iscsi_get_pr_transport_id(se_tpg, se_nacl, pr_reg,
- format_code, buf);
- default:
- pr_err("Unknown tport_proto_id: 0x%02x, using SAS emulation\n",
- tport->tport_proto_id);
- break;
- }
-
- return sas_get_pr_transport_id(se_tpg, se_nacl, pr_reg,
- format_code, buf);
-}
-
-static u32
-scsiback_get_pr_transport_id_len(struct se_portal_group *se_tpg,
- struct se_node_acl *se_nacl,
- struct t10_pr_registration *pr_reg,
- int *format_code)
-{
- struct scsiback_tpg *tpg = container_of(se_tpg,
- struct scsiback_tpg, se_tpg);
- struct scsiback_tport *tport = tpg->tport;
-
- switch (tport->tport_proto_id) {
- case SCSI_PROTOCOL_SAS:
- return sas_get_pr_transport_id_len(se_tpg, se_nacl, pr_reg,
- format_code);
- case SCSI_PROTOCOL_FCP:
- return fc_get_pr_transport_id_len(se_tpg, se_nacl, pr_reg,
- format_code);
- case SCSI_PROTOCOL_ISCSI:
- return iscsi_get_pr_transport_id_len(se_tpg, se_nacl, pr_reg,
- format_code);
- default:
- pr_err("Unknown tport_proto_id: 0x%02x, using SAS emulation\n",
- tport->tport_proto_id);
- break;
- }
-
- return sas_get_pr_transport_id_len(se_tpg, se_nacl, pr_reg,
- format_code);
-}
-
-static char *
-scsiback_parse_pr_out_transport_id(struct se_portal_group *se_tpg,
- const char *buf,
- u32 *out_tid_len,
- char **port_nexus_ptr)
-{
- struct scsiback_tpg *tpg = container_of(se_tpg,
- struct scsiback_tpg, se_tpg);
- struct scsiback_tport *tport = tpg->tport;
-
- switch (tport->tport_proto_id) {
- case SCSI_PROTOCOL_SAS:
- return sas_parse_pr_out_transport_id(se_tpg, buf, out_tid_len,
- port_nexus_ptr);
- case SCSI_PROTOCOL_FCP:
- return fc_parse_pr_out_transport_id(se_tpg, buf, out_tid_len,
- port_nexus_ptr);
- case SCSI_PROTOCOL_ISCSI:
- return iscsi_parse_pr_out_transport_id(se_tpg, buf, out_tid_len,
- port_nexus_ptr);
- default:
- pr_err("Unknown tport_proto_id: 0x%02x, using SAS emulation\n",
- tport->tport_proto_id);
- break;
- }
-
- return sas_parse_pr_out_transport_id(se_tpg, buf, out_tid_len,
- port_nexus_ptr);
-}
-
static struct se_wwn *
scsiback_make_tport(struct target_fabric_configfs *tf,
struct config_group *group,
@@ -1451,19 +1335,6 @@ static void scsiback_drop_tport(struct se_wwn *wwn)
kfree(tport);
}
-static struct se_node_acl *
-scsiback_alloc_fabric_acl(struct se_portal_group *se_tpg)
-{
- return kzalloc(sizeof(struct se_node_acl), GFP_KERNEL);
-}
-
-static void
-scsiback_release_fabric_acl(struct se_portal_group *se_tpg,
- struct se_node_acl *se_nacl)
-{
- kfree(se_nacl);
-}
-
static u32 scsiback_tpg_get_inst_index(struct se_portal_group *se_tpg)
{
return 1;
@@ -1522,14 +1393,6 @@ static void scsiback_set_default_node_attrs(struct se_node_acl *nacl)
{
}
-static u32 scsiback_get_task_tag(struct se_cmd *se_cmd)
-{
- struct vscsibk_pend *pending_req = container_of(se_cmd,
- struct vscsibk_pend, se_cmd);
-
- return pending_req->rqid;
-}
-
static int scsiback_get_cmd_state(struct se_cmd *se_cmd)
{
return 0;
@@ -1898,8 +1761,7 @@ scsiback_make_tpg(struct se_wwn *wwn,
tpg->tport = tport;
tpg->tport_tpgt = tpgt;
- ret = core_tpg_register(&scsiback_ops, wwn,
- &tpg->se_tpg, tpg, TRANSPORT_TPG_TYPE_NORMAL);
+ ret = core_tpg_register(wwn, &tpg->se_tpg, tport->tport_proto_id);
if (ret < 0) {
kfree(tpg);
return NULL;
@@ -1944,23 +1806,15 @@ static const struct target_core_fabric_ops scsiback_ops = {
.module = THIS_MODULE,
.name = "xen-pvscsi",
.get_fabric_name = scsiback_get_fabric_name,
- .get_fabric_proto_ident = scsiback_get_fabric_proto_ident,
.tpg_get_wwn = scsiback_get_fabric_wwn,
.tpg_get_tag = scsiback_get_tag,
- .tpg_get_default_depth = scsiback_get_default_depth,
- .tpg_get_pr_transport_id = scsiback_get_pr_transport_id,
- .tpg_get_pr_transport_id_len = scsiback_get_pr_transport_id_len,
- .tpg_parse_pr_out_transport_id = scsiback_parse_pr_out_transport_id,
.tpg_check_demo_mode = scsiback_check_true,
.tpg_check_demo_mode_cache = scsiback_check_true,
.tpg_check_demo_mode_write_protect = scsiback_check_false,
.tpg_check_prod_mode_write_protect = scsiback_check_false,
- .tpg_alloc_fabric_acl = scsiback_alloc_fabric_acl,
- .tpg_release_fabric_acl = scsiback_release_fabric_acl,
.tpg_get_inst_index = scsiback_tpg_get_inst_index,
.check_stop_free = scsiback_check_stop_free,
.release_cmd = scsiback_release_cmd,
- .put_session = NULL,
.shutdown_session = scsiback_shutdown_session,
.close_session = scsiback_close_session,
.sess_get_index = scsiback_sess_get_index,
@@ -1968,7 +1822,6 @@ static const struct target_core_fabric_ops scsiback_ops = {
.write_pending = scsiback_write_pending,
.write_pending_status = scsiback_write_pending_status,
.set_default_node_attributes = scsiback_set_default_node_attrs,
- .get_task_tag = scsiback_get_task_tag,
.get_cmd_state = scsiback_get_cmd_state,
.queue_data_in = scsiback_queue_data_in,
.queue_status = scsiback_queue_status,
@@ -1983,12 +1836,6 @@ static const struct target_core_fabric_ops scsiback_ops = {
.fabric_drop_tpg = scsiback_drop_tpg,
.fabric_post_link = scsiback_port_link,
.fabric_pre_unlink = scsiback_port_unlink,
- .fabric_make_np = NULL,
- .fabric_drop_np = NULL,
-#if 0
- .fabric_make_nodeacl = scsiback_make_nodeacl,
- .fabric_drop_nodeacl = scsiback_drop_nodeacl,
-#endif
.tfc_wwn_attrs = scsiback_wwn_attrs,
.tfc_tpg_base_attrs = scsiback_tpg_attrs,
diff --git a/include/linux/crc-t10dif.h b/include/linux/crc-t10dif.h
index cf53d0773ce3a24623354fd16dee2b3b17597a9b..d81961e9e37daf04456f36a1cedd607ca0dcdf8a 100644
--- a/include/linux/crc-t10dif.h
+++ b/include/linux/crc-t10dif.h
@@ -9,5 +9,6 @@
extern __u16 crc_t10dif_generic(__u16 crc, const unsigned char *buffer,
size_t len);
extern __u16 crc_t10dif(unsigned char const *, size_t);
+extern __u16 crc_t10dif_update(__u16 crc, unsigned char const *, size_t);
#endif
diff --git a/include/target/iscsi/iscsi_target_core.h b/include/target/iscsi/iscsi_target_core.h
index 006983b296dd6da3afa466e43f40ec0699cad36f..34117b8b72e49d84fb9477326ad10a490de1060a 100644
--- a/include/target/iscsi/iscsi_target_core.h
+++ b/include/target/iscsi/iscsi_target_core.h
@@ -247,10 +247,6 @@ struct iscsi_conn_ops {
u8 DataDigest; /* [0,1] == [None,CRC32C] */
u32 MaxRecvDataSegmentLength; /* [512..2**24-1] */
u32 MaxXmitDataSegmentLength; /* [512..2**24-1] */
- u8 OFMarker; /* [0,1] == [No,Yes] */
- u8 IFMarker; /* [0,1] == [No,Yes] */
- u32 OFMarkInt; /* [1..65535] */
- u32 IFMarkInt; /* [1..65535] */
/*
* iSER specific connection parameters
*/
@@ -531,12 +527,6 @@ struct iscsi_conn {
u32 exp_statsn;
/* Per connection status sequence number */
u32 stat_sn;
- /* IFMarkInt's Current Value */
- u32 if_marker;
- /* OFMarkInt's Current Value */
- u32 of_marker;
- /* Used for calculating OFMarker offset to next PDU */
- u32 of_marker_offset;
#define IPV6_ADDRESS_SPACE 48
unsigned char login_ip[IPV6_ADDRESS_SPACE];
unsigned char local_ip[IPV6_ADDRESS_SPACE];
@@ -754,10 +744,10 @@ struct iscsi_node_stat_grps {
};
struct iscsi_node_acl {
+ struct se_node_acl se_node_acl;
struct iscsi_node_attrib node_attrib;
struct iscsi_node_auth node_auth;
struct iscsi_node_stat_grps node_stat_grps;
- struct se_node_acl se_node_acl;
};
struct iscsi_tpg_attrib {
diff --git a/include/target/target_core_backend.h b/include/target/target_core_backend.h
index 5f122570699339f5f5cf85fb14a90e2ad9fc51b7..1e5c8f949bae4947b8645bd1cf9d7d8966708713 100644
--- a/include/target/target_core_backend.h
+++ b/include/target/target_core_backend.h
@@ -3,18 +3,7 @@
#define TRANSPORT_FLAG_PASSTHROUGH 1
-struct target_backend_cits {
- struct config_item_type tb_dev_cit;
- struct config_item_type tb_dev_attrib_cit;
- struct config_item_type tb_dev_pr_cit;
- struct config_item_type tb_dev_wwn_cit;
- struct config_item_type tb_dev_alua_tg_pt_gps_cit;
- struct config_item_type tb_dev_stat_cit;
-};
-
-struct se_subsystem_api {
- struct list_head sub_api_list;
-
+struct target_backend_ops {
char name[16];
char inquiry_prod[16];
char inquiry_rev[4];
@@ -52,7 +41,7 @@ struct se_subsystem_api {
int (*format_prot)(struct se_device *);
void (*free_prot)(struct se_device *);
- struct target_backend_cits tb_cits;
+ struct configfs_attribute **tb_dev_attrib_attrs;
};
struct sbc_ops {
@@ -60,12 +49,12 @@ struct sbc_ops {
u32, enum dma_data_direction);
sense_reason_t (*execute_sync_cache)(struct se_cmd *cmd);
sense_reason_t (*execute_write_same)(struct se_cmd *cmd);
- sense_reason_t (*execute_write_same_unmap)(struct se_cmd *cmd);
- sense_reason_t (*execute_unmap)(struct se_cmd *cmd);
+ sense_reason_t (*execute_unmap)(struct se_cmd *cmd,
+ sector_t lba, sector_t nolb);
};
-int transport_subsystem_register(struct se_subsystem_api *);
-void transport_subsystem_release(struct se_subsystem_api *);
+int transport_backend_register(const struct target_backend_ops *);
+void target_backend_unregister(const struct target_backend_ops *);
void target_complete_cmd(struct se_cmd *, u8);
void target_complete_cmd_with_length(struct se_cmd *, u8, int);
@@ -79,22 +68,19 @@ sense_reason_t sbc_parse_cdb(struct se_cmd *cmd, struct sbc_ops *ops);
u32 sbc_get_device_rev(struct se_device *dev);
u32 sbc_get_device_type(struct se_device *dev);
sector_t sbc_get_write_same_sectors(struct se_cmd *cmd);
-sense_reason_t sbc_execute_unmap(struct se_cmd *cmd,
- sense_reason_t (*do_unmap_fn)(struct se_cmd *cmd, void *priv,
- sector_t lba, sector_t nolb),
- void *priv);
void sbc_dif_generate(struct se_cmd *);
-sense_reason_t sbc_dif_verify_write(struct se_cmd *, sector_t, unsigned int,
+sense_reason_t sbc_dif_verify(struct se_cmd *, sector_t, unsigned int,
unsigned int, struct scatterlist *, int);
-sense_reason_t sbc_dif_verify_read(struct se_cmd *, sector_t, unsigned int,
- unsigned int, struct scatterlist *, int);
-sense_reason_t sbc_dif_read_strip(struct se_cmd *);
-
+void sbc_dif_copy_prot(struct se_cmd *, unsigned int, bool,
+ struct scatterlist *, int);
void transport_set_vpd_proto_id(struct t10_vpd *, unsigned char *);
int transport_set_vpd_assoc(struct t10_vpd *, unsigned char *);
int transport_set_vpd_ident_type(struct t10_vpd *, unsigned char *);
int transport_set_vpd_ident(struct t10_vpd *, unsigned char *);
+extern struct configfs_attribute *sbc_attrib_attrs[];
+extern struct configfs_attribute *passthrough_attrib_attrs[];
+
/* core helpers also used by command snooping in pscsi */
void *transport_kmap_data_sg(struct se_cmd *);
void transport_kunmap_data_sg(struct se_cmd *);
@@ -103,39 +89,7 @@ int target_alloc_sgl(struct scatterlist **, unsigned int *, u32, bool);
sense_reason_t transport_generic_map_mem_to_cmd(struct se_cmd *,
struct scatterlist *, u32, struct scatterlist *, u32);
-void array_free(void *array, int n);
-
-/* From target_core_configfs.c to setup default backend config_item_types */
-void target_core_setup_sub_cits(struct se_subsystem_api *);
-
-/* attribute helpers from target_core_device.c for backend drivers */
-bool se_dev_check_wce(struct se_device *);
-int se_dev_set_max_unmap_lba_count(struct se_device *, u32);
-int se_dev_set_max_unmap_block_desc_count(struct se_device *, u32);
-int se_dev_set_unmap_granularity(struct se_device *, u32);
-int se_dev_set_unmap_granularity_alignment(struct se_device *, u32);
-int se_dev_set_max_write_same_len(struct se_device *, u32);
-int se_dev_set_emulate_model_alias(struct se_device *, int);
-int se_dev_set_emulate_dpo(struct se_device *, int);
-int se_dev_set_emulate_fua_write(struct se_device *, int);
-int se_dev_set_emulate_fua_read(struct se_device *, int);
-int se_dev_set_emulate_write_cache(struct se_device *, int);
-int se_dev_set_emulate_ua_intlck_ctrl(struct se_device *, int);
-int se_dev_set_emulate_tas(struct se_device *, int);
-int se_dev_set_emulate_tpu(struct se_device *, int);
-int se_dev_set_emulate_tpws(struct se_device *, int);
-int se_dev_set_emulate_caw(struct se_device *, int);
-int se_dev_set_emulate_3pc(struct se_device *, int);
-int se_dev_set_pi_prot_type(struct se_device *, int);
-int se_dev_set_pi_prot_format(struct se_device *, int);
-int se_dev_set_enforce_pr_isids(struct se_device *, int);
-int se_dev_set_force_pr_aptpl(struct se_device *, int);
-int se_dev_set_is_nonrot(struct se_device *, int);
-int se_dev_set_emulate_rest_reord(struct se_device *dev, int);
-int se_dev_set_queue_depth(struct se_device *, u32);
-int se_dev_set_max_sectors(struct se_device *, u32);
-int se_dev_set_optimal_sectors(struct se_device *, u32);
-int se_dev_set_block_size(struct se_device *, u32);
+bool target_lun_is_rdonly(struct se_cmd *);
sense_reason_t passthrough_parse_cdb(struct se_cmd *cmd,
sense_reason_t (*exec_cmd)(struct se_cmd *cmd));
diff --git a/include/target/target_core_backend_configfs.h b/include/target/target_core_backend_configfs.h
deleted file mode 100644
index 186f7a92357094fbb4735043b2a2b8c8cd884af8..0000000000000000000000000000000000000000
--- a/include/target/target_core_backend_configfs.h
+++ /dev/null
@@ -1,118 +0,0 @@
-#ifndef TARGET_CORE_BACKEND_CONFIGFS_H
-#define TARGET_CORE_BACKEND_CONFIGFS_H
-
-#include <target/configfs_macros.h>
-
-#define DEF_TB_DEV_ATTRIB_SHOW(_backend, _name) \
-static ssize_t _backend##_dev_show_attr_##_name( \
- struct se_dev_attrib *da, \
- char *page) \
-{ \
- return snprintf(page, PAGE_SIZE, "%u\n", \
- (u32)da->da_dev->dev_attrib._name); \
-}
-
-#define DEF_TB_DEV_ATTRIB_STORE(_backend, _name) \
-static ssize_t _backend##_dev_store_attr_##_name( \
- struct se_dev_attrib *da, \
- const char *page, \
- size_t count) \
-{ \
- unsigned long val; \
- int ret; \
- \
- ret = kstrtoul(page, 0, &val); \
- if (ret < 0) { \
- pr_err("kstrtoul() failed with ret: %d\n", ret); \
- return -EINVAL; \
- } \
- ret = se_dev_set_##_name(da->da_dev, (u32)val); \
- \
- return (!ret) ? count : -EINVAL; \
-}
-
-#define DEF_TB_DEV_ATTRIB(_backend, _name) \
-DEF_TB_DEV_ATTRIB_SHOW(_backend, _name); \
-DEF_TB_DEV_ATTRIB_STORE(_backend, _name);
-
-#define DEF_TB_DEV_ATTRIB_RO(_backend, name) \
-DEF_TB_DEV_ATTRIB_SHOW(_backend, name);
-
-CONFIGFS_EATTR_STRUCT(target_backend_dev_attrib, se_dev_attrib);
-#define TB_DEV_ATTR(_backend, _name, _mode) \
-static struct target_backend_dev_attrib_attribute _backend##_dev_attrib_##_name = \
- __CONFIGFS_EATTR(_name, _mode, \
- _backend##_dev_show_attr_##_name, \
- _backend##_dev_store_attr_##_name);
-
-#define TB_DEV_ATTR_RO(_backend, _name) \
-static struct target_backend_dev_attrib_attribute _backend##_dev_attrib_##_name = \
- __CONFIGFS_EATTR_RO(_name, \
- _backend##_dev_show_attr_##_name);
-
-/*
- * Default list of target backend device attributes as defined by
- * struct se_dev_attrib
- */
-
-#define DEF_TB_DEFAULT_ATTRIBS(_backend) \
- DEF_TB_DEV_ATTRIB(_backend, emulate_model_alias); \
- TB_DEV_ATTR(_backend, emulate_model_alias, S_IRUGO | S_IWUSR); \
- DEF_TB_DEV_ATTRIB(_backend, emulate_dpo); \
- TB_DEV_ATTR(_backend, emulate_dpo, S_IRUGO | S_IWUSR); \
- DEF_TB_DEV_ATTRIB(_backend, emulate_fua_write); \
- TB_DEV_ATTR(_backend, emulate_fua_write, S_IRUGO | S_IWUSR); \
- DEF_TB_DEV_ATTRIB(_backend, emulate_fua_read); \
- TB_DEV_ATTR(_backend, emulate_fua_read, S_IRUGO | S_IWUSR); \
- DEF_TB_DEV_ATTRIB(_backend, emulate_write_cache); \
- TB_DEV_ATTR(_backend, emulate_write_cache, S_IRUGO | S_IWUSR); \
- DEF_TB_DEV_ATTRIB(_backend, emulate_ua_intlck_ctrl); \
- TB_DEV_ATTR(_backend, emulate_ua_intlck_ctrl, S_IRUGO | S_IWUSR); \
- DEF_TB_DEV_ATTRIB(_backend, emulate_tas); \
- TB_DEV_ATTR(_backend, emulate_tas, S_IRUGO | S_IWUSR); \
- DEF_TB_DEV_ATTRIB(_backend, emulate_tpu); \
- TB_DEV_ATTR(_backend, emulate_tpu, S_IRUGO | S_IWUSR); \
- DEF_TB_DEV_ATTRIB(_backend, emulate_tpws); \
- TB_DEV_ATTR(_backend, emulate_tpws, S_IRUGO | S_IWUSR); \
- DEF_TB_DEV_ATTRIB(_backend, emulate_caw); \
- TB_DEV_ATTR(_backend, emulate_caw, S_IRUGO | S_IWUSR); \
- DEF_TB_DEV_ATTRIB(_backend, emulate_3pc); \
- TB_DEV_ATTR(_backend, emulate_3pc, S_IRUGO | S_IWUSR); \
- DEF_TB_DEV_ATTRIB(_backend, pi_prot_type); \
- TB_DEV_ATTR(_backend, pi_prot_type, S_IRUGO | S_IWUSR); \
- DEF_TB_DEV_ATTRIB_RO(_backend, hw_pi_prot_type); \
- TB_DEV_ATTR_RO(_backend, hw_pi_prot_type); \
- DEF_TB_DEV_ATTRIB(_backend, pi_prot_format); \
- TB_DEV_ATTR(_backend, pi_prot_format, S_IRUGO | S_IWUSR); \
- DEF_TB_DEV_ATTRIB(_backend, enforce_pr_isids); \
- TB_DEV_ATTR(_backend, enforce_pr_isids, S_IRUGO | S_IWUSR); \
- DEF_TB_DEV_ATTRIB(_backend, is_nonrot); \
- TB_DEV_ATTR(_backend, is_nonrot, S_IRUGO | S_IWUSR); \
- DEF_TB_DEV_ATTRIB(_backend, emulate_rest_reord); \
- TB_DEV_ATTR(_backend, emulate_rest_reord, S_IRUGO | S_IWUSR); \
- DEF_TB_DEV_ATTRIB(_backend, force_pr_aptpl); \
- TB_DEV_ATTR(_backend, force_pr_aptpl, S_IRUGO | S_IWUSR); \
- DEF_TB_DEV_ATTRIB_RO(_backend, hw_block_size); \
- TB_DEV_ATTR_RO(_backend, hw_block_size); \
- DEF_TB_DEV_ATTRIB(_backend, block_size); \
- TB_DEV_ATTR(_backend, block_size, S_IRUGO | S_IWUSR); \
- DEF_TB_DEV_ATTRIB_RO(_backend, hw_max_sectors); \
- TB_DEV_ATTR_RO(_backend, hw_max_sectors); \
- DEF_TB_DEV_ATTRIB(_backend, optimal_sectors); \
- TB_DEV_ATTR(_backend, optimal_sectors, S_IRUGO | S_IWUSR); \
- DEF_TB_DEV_ATTRIB_RO(_backend, hw_queue_depth); \
- TB_DEV_ATTR_RO(_backend, hw_queue_depth); \
- DEF_TB_DEV_ATTRIB(_backend, queue_depth); \
- TB_DEV_ATTR(_backend, queue_depth, S_IRUGO | S_IWUSR); \
- DEF_TB_DEV_ATTRIB(_backend, max_unmap_lba_count); \
- TB_DEV_ATTR(_backend, max_unmap_lba_count, S_IRUGO | S_IWUSR); \
- DEF_TB_DEV_ATTRIB(_backend, max_unmap_block_desc_count); \
- TB_DEV_ATTR(_backend, max_unmap_block_desc_count, S_IRUGO | S_IWUSR); \
- DEF_TB_DEV_ATTRIB(_backend, unmap_granularity); \
- TB_DEV_ATTR(_backend, unmap_granularity, S_IRUGO | S_IWUSR); \
- DEF_TB_DEV_ATTRIB(_backend, unmap_granularity_alignment); \
- TB_DEV_ATTR(_backend, unmap_granularity_alignment, S_IRUGO | S_IWUSR); \
- DEF_TB_DEV_ATTRIB(_backend, max_write_same_len); \
- TB_DEV_ATTR(_backend, max_write_same_len, S_IRUGO | S_IWUSR);
-
-#endif /* TARGET_CORE_BACKEND_CONFIGFS_H */
diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h
index aec6f6a4477c79454af758817537dd8d3a3300b8..17ae2d6a4891e57245c16fbeb4e2a8a6462d32d0 100644
--- a/include/target/target_core_base.h
+++ b/include/target/target_core_base.h
@@ -9,12 +9,8 @@
#include <net/sock.h>
#include <net/tcp.h>
-#define TARGET_CORE_MOD_VERSION "v4.1.0"
-#define TARGET_CORE_VERSION TARGET_CORE_MOD_VERSION
+#define TARGET_CORE_VERSION "v5.0"
-/* Maximum Number of LUNs per Target Portal Group */
-/* Don't raise above 511 or REPORT_LUNS needs to handle >1 page */
-#define TRANSPORT_MAX_LUNS_PER_TPG 256
/*
* Maximum size of a CDB that can be stored in se_cmd without allocating
* memory dynamically for the CDB.
@@ -70,12 +66,6 @@
#define DA_MAX_WRITE_SAME_LEN 0
/* Use a model alias based on the configfs backend device name */
#define DA_EMULATE_MODEL_ALIAS 0
-/* Emulation for Direct Page Out */
-#define DA_EMULATE_DPO 0
-/* Emulation for Forced Unit Access WRITEs */
-#define DA_EMULATE_FUA_WRITE 1
-/* Emulation for Forced Unit Access READs */
-#define DA_EMULATE_FUA_READ 0
/* Emulation for WriteCache and SYNCHRONIZE_CACHE */
#define DA_EMULATE_WRITE_CACHE 0
/* Emulation for UNIT ATTENTION Interlock Control */
@@ -116,18 +106,6 @@ enum hba_flags_table {
HBA_FLAGS_PSCSI_MODE = 0x02,
};
-/* struct se_lun->lun_status */
-enum transport_lun_status_table {
- TRANSPORT_LUN_STATUS_FREE = 0,
- TRANSPORT_LUN_STATUS_ACTIVE = 1,
-};
-
-/* struct se_portal_group->se_tpg_type */
-enum transport_tpg_type_table {
- TRANSPORT_TPG_TYPE_NORMAL = 0,
- TRANSPORT_TPG_TYPE_DISCOVERY = 1,
-};
-
/* Special transport agnostic struct se_cmd->t_states */
enum transport_state_table {
TRANSPORT_NO_STATE = 0,
@@ -158,14 +136,13 @@ enum se_cmd_flags_table {
SCF_PASSTHROUGH_SG_TO_MEM_NOALLOC = 0x00020000,
SCF_COMPARE_AND_WRITE = 0x00080000,
SCF_COMPARE_AND_WRITE_POST = 0x00100000,
+ SCF_PASSTHROUGH_PROT_SG_TO_MEM_NOALLOC = 0x00200000,
};
/* struct se_dev_entry->lun_flags and struct se_lun->lun_access */
enum transport_lunflags_table {
- TRANSPORT_LUNFLAGS_NO_ACCESS = 0x00,
- TRANSPORT_LUNFLAGS_INITIATOR_ACCESS = 0x01,
- TRANSPORT_LUNFLAGS_READ_ONLY = 0x02,
- TRANSPORT_LUNFLAGS_READ_WRITE = 0x04,
+ TRANSPORT_LUNFLAGS_READ_ONLY = 0x01,
+ TRANSPORT_LUNFLAGS_READ_WRITE = 0x02,
};
/*
@@ -314,22 +291,13 @@ struct t10_alua_tg_pt_gp {
struct se_device *tg_pt_gp_dev;
struct config_group tg_pt_gp_group;
struct list_head tg_pt_gp_list;
- struct list_head tg_pt_gp_mem_list;
- struct se_port *tg_pt_gp_alua_port;
+ struct list_head tg_pt_gp_lun_list;
+ struct se_lun *tg_pt_gp_alua_lun;
struct se_node_acl *tg_pt_gp_alua_nacl;
struct delayed_work tg_pt_gp_transition_work;
struct completion *tg_pt_gp_transition_complete;
};
-struct t10_alua_tg_pt_gp_member {
- bool tg_pt_gp_assoc;
- atomic_t tg_pt_gp_mem_ref_cnt;
- spinlock_t tg_pt_gp_mem_lock;
- struct t10_alua_tg_pt_gp *tg_pt_gp;
- struct se_port *tg_pt;
- struct list_head tg_pt_gp_mem_list;
-};
-
struct t10_vpd {
unsigned char device_identifier[INQUIRY_VPD_DEVICE_IDENTIFIER_LEN];
int protocol_identifier_set;
@@ -374,15 +342,16 @@ struct t10_pr_registration {
int pr_res_scope;
/* Used for fabric initiator WWPNs using a ISID */
bool isid_present_at_reg;
- u32 pr_res_mapped_lun;
- u32 pr_aptpl_target_lun;
+ u64 pr_res_mapped_lun;
+ u64 pr_aptpl_target_lun;
+ u16 tg_pt_sep_rtpi;
u32 pr_res_generation;
u64 pr_reg_bin_isid;
u64 pr_res_key;
atomic_t pr_res_holders;
struct se_node_acl *pr_reg_nacl;
+ /* Used by ALL_TG_PT=1 registration with deve->pr_ref taken */
struct se_dev_entry *pr_reg_deve;
- struct se_lun *pr_reg_tg_pt_lun;
struct list_head pr_reg_list;
struct list_head pr_reg_abort_list;
struct list_head pr_reg_aptpl_list;
@@ -422,7 +391,7 @@ struct se_tmr_req {
u8 response;
int call_transport;
/* Reference to ITT that Task Mgmt should be performed */
- u32 ref_task_tag;
+ u64 ref_task_tag;
void *fabric_tmr_ptr;
struct se_cmd *task_cmd;
struct se_device *tmr_dev;
@@ -475,6 +444,7 @@ struct se_cmd {
u8 scsi_asc;
u8 scsi_ascq;
u16 scsi_sense_length;
+ u64 tag; /* SAM command identifier aka task tag */
/* Delay for ALUA Active/NonOptimized state access in milliseconds */
int alua_nonop_delay;
/* See include/linux/dma-mapping.h */
@@ -493,7 +463,7 @@ struct se_cmd {
/* Total size in bytes associated with command */
u32 data_length;
u32 residual_count;
- u32 orig_fe_lun;
+ u64 orig_fe_lun;
/* Persistent Reservation key */
u64 pr_res_key;
/* Used for sense data */
@@ -501,7 +471,6 @@ struct se_cmd {
struct list_head se_delayed_node;
struct list_head se_qf_node;
struct se_device *se_dev;
- struct se_dev_entry *se_deve;
struct se_lun *se_lun;
/* Only used for internal passthrough and legacy TCM fabric modules */
struct se_session *se_sess;
@@ -511,9 +480,8 @@ struct se_cmd {
struct kref cmd_kref;
const struct target_core_fabric_ops *se_tfo;
sense_reason_t (*execute_cmd)(struct se_cmd *);
- sense_reason_t (*execute_rw)(struct se_cmd *, struct scatterlist *,
- u32, enum dma_data_direction);
sense_reason_t (*transport_complete_callback)(struct se_cmd *, bool);
+ void *protocol_data;
unsigned char *t_task_cdb;
unsigned char __t_task_cdb[TCM_MAX_COMMAND_SIZE];
@@ -569,7 +537,6 @@ struct se_cmd {
struct se_ua {
u8 ua_asc;
u8 ua_ascq;
- struct se_node_acl *ua_nacl;
struct list_head ua_nacl_list;
};
@@ -585,10 +552,10 @@ struct se_node_acl {
char acl_tag[MAX_ACL_TAG_SIZE];
/* Used for PR SPEC_I_PT=1 and REGISTER_AND_MOVE */
atomic_t acl_pr_ref_count;
- struct se_dev_entry **device_list;
+ struct hlist_head lun_entry_hlist;
struct se_session *nacl_sess;
struct se_portal_group *se_tpg;
- spinlock_t device_list_lock;
+ struct mutex lun_entry_mutex;
spinlock_t nacl_sess_lock;
struct config_group acl_group;
struct config_group acl_attrib_group;
@@ -632,33 +599,37 @@ struct se_ml_stat_grps {
struct se_lun_acl {
char initiatorname[TRANSPORT_IQN_LEN];
- u32 mapped_lun;
+ u64 mapped_lun;
struct se_node_acl *se_lun_nacl;
struct se_lun *se_lun;
- struct list_head lacl_list;
struct config_group se_lun_group;
struct se_ml_stat_grps ml_stat_grps;
};
struct se_dev_entry {
- bool def_pr_registered;
/* See transport_lunflags_table */
- u32 lun_flags;
- u32 mapped_lun;
- u32 total_cmds;
+ u64 mapped_lun;
u64 pr_res_key;
u64 creation_time;
+ u32 lun_flags;
u32 attach_count;
- u64 read_bytes;
- u64 write_bytes;
+ atomic_long_t total_cmds;
+ atomic_long_t read_bytes;
+ atomic_long_t write_bytes;
atomic_t ua_count;
/* Used for PR SPEC_I_PT=1 and REGISTER_AND_MOVE */
- atomic_t pr_ref_count;
- struct se_lun_acl *se_lun_acl;
+ struct kref pr_kref;
+ struct completion pr_comp;
+ struct se_lun_acl __rcu *se_lun_acl;
spinlock_t ua_lock;
- struct se_lun *se_lun;
+ struct se_lun __rcu *se_lun;
+#define DEF_PR_REG_ACTIVE 1
+ unsigned long deve_flags;
struct list_head alua_port_list;
+ struct list_head lun_link;
struct list_head ua_list;
+ struct hlist_node link;
+ struct rcu_head rcu_head;
};
struct se_dev_attrib {
@@ -703,25 +674,48 @@ struct se_port_stat_grps {
struct config_group scsi_transport_group;
};
+struct scsi_port_stats {
+ atomic_long_t cmd_pdus;
+ atomic_long_t tx_data_octets;
+ atomic_long_t rx_data_octets;
+};
+
struct se_lun {
+ u64 unpacked_lun;
#define SE_LUN_LINK_MAGIC 0xffff7771
u32 lun_link_magic;
- /* See transport_lun_status_table */
- enum transport_lun_status_table lun_status;
u32 lun_access;
u32 lun_flags;
- u32 unpacked_lun;
+ u32 lun_index;
+
+ /* RELATIVE TARGET PORT IDENTIFER */
+ u16 lun_rtpi;
atomic_t lun_acl_count;
- spinlock_t lun_acl_lock;
- spinlock_t lun_sep_lock;
- struct completion lun_shutdown_comp;
- struct list_head lun_acl_list;
- struct se_device *lun_se_dev;
- struct se_port *lun_sep;
+ struct se_device __rcu *lun_se_dev;
+
+ struct list_head lun_deve_list;
+ spinlock_t lun_deve_lock;
+
+ /* ALUA state */
+ int lun_tg_pt_secondary_stat;
+ int lun_tg_pt_secondary_write_md;
+ atomic_t lun_tg_pt_secondary_offline;
+ struct mutex lun_tg_pt_md_mutex;
+
+ /* ALUA target port group linkage */
+ struct list_head lun_tg_pt_gp_link;
+ struct t10_alua_tg_pt_gp *lun_tg_pt_gp;
+ spinlock_t lun_tg_pt_gp_lock;
+
+ struct se_portal_group *lun_tpg;
+ struct scsi_port_stats lun_stats;
struct config_group lun_group;
struct se_port_stat_grps port_stat_grps;
struct completion lun_ref_comp;
struct percpu_ref lun_ref;
+ struct list_head lun_dev_link;
+ struct hlist_node link;
+ struct rcu_head rcu_head;
};
struct se_dev_stat_grps {
@@ -744,7 +738,6 @@ struct se_device {
#define DF_EMULATED_VPD_UNIT_SERIAL 0x00000004
#define DF_USING_UDEV_PATH 0x00000008
#define DF_USING_ALIAS 0x00000010
- u32 dev_port_count;
/* Physical device queue depth */
u32 queue_depth;
/* Used for SPC-2 reservations enforce of ISIDs */
@@ -761,7 +754,7 @@ struct se_device {
atomic_t dev_ordered_id;
atomic_t dev_ordered_sync;
atomic_t dev_qf_count;
- int export_count;
+ u32 export_count;
spinlock_t delayed_cmd_lock;
spinlock_t execute_task_lock;
spinlock_t dev_reservation_lock;
@@ -803,12 +796,15 @@ struct se_device {
#define SE_UDEV_PATH_LEN 512 /* must be less than PAGE_SIZE */
unsigned char udev_path[SE_UDEV_PATH_LEN];
/* Pointer to template of function pointers for transport */
- struct se_subsystem_api *transport;
+ const struct target_backend_ops *transport;
/* Linked list for struct se_hba struct se_device list */
struct list_head dev_list;
struct se_lun xcopy_lun;
/* Protection Information */
int prot_length;
+ /* For se_lun->lun_se_dev RCU read-side critical access */
+ u32 hba_index;
+ struct rcu_head rcu_head;
};
struct se_hba {
@@ -825,33 +821,7 @@ struct se_hba {
spinlock_t device_lock;
struct config_group hba_group;
struct mutex hba_access_mutex;
- struct se_subsystem_api *transport;
-};
-
-struct scsi_port_stats {
- u64 cmd_pdus;
- u64 tx_data_octets;
- u64 rx_data_octets;
-};
-
-struct se_port {
- /* RELATIVE TARGET PORT IDENTIFER */
- u16 sep_rtpi;
- int sep_tg_pt_secondary_stat;
- int sep_tg_pt_secondary_write_md;
- u32 sep_index;
- struct scsi_port_stats sep_stats;
- /* Used for ALUA Target Port Groups membership */
- atomic_t sep_tg_pt_secondary_offline;
- /* Used for PR ALL_TG_PT=1 */
- atomic_t sep_tg_pt_ref_cnt;
- spinlock_t sep_alua_lock;
- struct mutex sep_tg_pt_md_mutex;
- struct t10_alua_tg_pt_gp_member *sep_alua_tg_pt_gp_mem;
- struct se_lun *sep_lun;
- struct se_portal_group *sep_tpg;
- struct list_head sep_alua_list;
- struct list_head sep_list;
+ struct target_backend *backend;
};
struct se_tpg_np {
@@ -860,24 +830,26 @@ struct se_tpg_np {
};
struct se_portal_group {
- /* Type of target portal group, see transport_tpg_type_table */
- enum transport_tpg_type_table se_tpg_type;
+ /*
+ * PROTOCOL IDENTIFIER value per SPC4, 7.5.1.
+ *
+ * Negative values can be used by fabric drivers for internal use TPGs.
+ */
+ int proto_id;
/* Number of ACLed Initiator Nodes for this TPG */
u32 num_node_acls;
/* Used for PR SPEC_I_PT=1 and REGISTER_AND_MOVE */
atomic_t tpg_pr_ref_count;
/* Spinlock for adding/removing ACLed Nodes */
- spinlock_t acl_node_lock;
+ struct mutex acl_node_mutex;
/* Spinlock for adding/removing sessions */
spinlock_t session_lock;
- spinlock_t tpg_lun_lock;
- /* Pointer to $FABRIC_MOD portal group */
- void *se_tpg_fabric_ptr;
+ struct mutex tpg_lun_mutex;
struct list_head se_tpg_node;
/* linked list for initiator ACL list */
struct list_head acl_node_list;
- struct se_lun **tpg_lun_list;
- struct se_lun tpg_virt_lun0;
+ struct hlist_head tpg_lun_hlist;
+ struct se_lun *tpg_virt_lun0;
/* List of TCM sessions associated wth this TPG */
struct list_head tpg_sess_list;
/* Pointer to $FABRIC_MOD dependent code */
diff --git a/include/target/target_core_configfs.h b/include/target/target_core_configfs.h
deleted file mode 100644
index b99c01170392abff3978b6c96d7c1763f06bcc27..0000000000000000000000000000000000000000
--- a/include/target/target_core_configfs.h
+++ /dev/null
@@ -1,48 +0,0 @@
-#define TARGET_CORE_CONFIGFS_VERSION TARGET_CORE_MOD_VERSION
-
-#define TARGET_CORE_CONFIG_ROOT "/sys/kernel/config"
-
-#define TARGET_CORE_NAME_MAX_LEN 64
-#define TARGET_FABRIC_NAME_SIZE 32
-
-struct target_fabric_configfs_template {
- struct config_item_type tfc_discovery_cit;
- struct config_item_type tfc_wwn_cit;
- struct config_item_type tfc_wwn_fabric_stats_cit;
- struct config_item_type tfc_tpg_cit;
- struct config_item_type tfc_tpg_base_cit;
- struct config_item_type tfc_tpg_lun_cit;
- struct config_item_type tfc_tpg_port_cit;
- struct config_item_type tfc_tpg_port_stat_cit;
- struct config_item_type tfc_tpg_np_cit;
- struct config_item_type tfc_tpg_np_base_cit;
- struct config_item_type tfc_tpg_attrib_cit;
- struct config_item_type tfc_tpg_auth_cit;
- struct config_item_type tfc_tpg_param_cit;
- struct config_item_type tfc_tpg_nacl_cit;
- struct config_item_type tfc_tpg_nacl_base_cit;
- struct config_item_type tfc_tpg_nacl_attrib_cit;
- struct config_item_type tfc_tpg_nacl_auth_cit;
- struct config_item_type tfc_tpg_nacl_param_cit;
- struct config_item_type tfc_tpg_nacl_stat_cit;
- struct config_item_type tfc_tpg_mappedlun_cit;
- struct config_item_type tfc_tpg_mappedlun_stat_cit;
-};
-
-struct target_fabric_configfs {
- char tf_name[TARGET_FABRIC_NAME_SIZE];
- atomic_t tf_access_cnt;
- struct list_head tf_list;
- struct config_group tf_group;
- struct config_group tf_disc_group;
- struct config_group *tf_default_groups[2];
- /* Pointer to fabric's config_item */
- struct config_item *tf_fabric;
- /* Passed from fabric modules */
- struct config_item_type *tf_fabric_cit;
- /* Pointer to fabric's struct module */
- struct module *tf_module;
- struct target_core_fabric_ops tf_ops;
- struct target_fabric_configfs_template tf_cit_tmpl;
-};
-
diff --git a/include/target/target_core_fabric.h b/include/target/target_core_fabric.h
index 0f4dc3768587bc2d41370d015c69502757322324..18afef91b447f950cb5f78b022355a1db6664af0 100644
--- a/include/target/target_core_fabric.h
+++ b/include/target/target_core_fabric.h
@@ -4,20 +4,11 @@
struct target_core_fabric_ops {
struct module *module;
const char *name;
+ size_t node_acl_size;
char *(*get_fabric_name)(void);
- u8 (*get_fabric_proto_ident)(struct se_portal_group *);
char *(*tpg_get_wwn)(struct se_portal_group *);
u16 (*tpg_get_tag)(struct se_portal_group *);
u32 (*tpg_get_default_depth)(struct se_portal_group *);
- u32 (*tpg_get_pr_transport_id)(struct se_portal_group *,
- struct se_node_acl *,
- struct t10_pr_registration *, int *,
- unsigned char *);
- u32 (*tpg_get_pr_transport_id_len)(struct se_portal_group *,
- struct se_node_acl *,
- struct t10_pr_registration *, int *);
- char *(*tpg_parse_pr_out_transport_id)(struct se_portal_group *,
- const char *, u32 *, char **);
int (*tpg_check_demo_mode)(struct se_portal_group *);
int (*tpg_check_demo_mode_cache)(struct se_portal_group *);
int (*tpg_check_demo_mode_write_protect)(struct se_portal_group *);
@@ -36,10 +27,6 @@ struct target_core_fabric_ops {
* WRITE_STRIP and READ_INSERT operations.
*/
int (*tpg_check_prot_fabric_only)(struct se_portal_group *);
- struct se_node_acl *(*tpg_alloc_fabric_acl)(
- struct se_portal_group *);
- void (*tpg_release_fabric_acl)(struct se_portal_group *,
- struct se_node_acl *);
u32 (*tpg_get_inst_index)(struct se_portal_group *);
/*
* Optional to release struct se_cmd and fabric dependent allocated
@@ -50,7 +37,6 @@ struct target_core_fabric_ops {
*/
int (*check_stop_free)(struct se_cmd *);
void (*release_cmd)(struct se_cmd *);
- void (*put_session)(struct se_session *);
/*
* Called with spin_lock_bh(struct se_portal_group->session_lock held.
*/
@@ -66,7 +52,6 @@ struct target_core_fabric_ops {
int (*write_pending)(struct se_cmd *);
int (*write_pending_status)(struct se_cmd *);
void (*set_default_node_attributes)(struct se_node_acl *);
- u32 (*get_task_tag)(struct se_cmd *);
int (*get_cmd_state)(struct se_cmd *);
int (*queue_data_in)(struct se_cmd *);
int (*queue_status)(struct se_cmd *);
@@ -88,9 +73,8 @@ struct target_core_fabric_ops {
struct se_tpg_np *(*fabric_make_np)(struct se_portal_group *,
struct config_group *, const char *);
void (*fabric_drop_np)(struct se_tpg_np *);
- struct se_node_acl *(*fabric_make_nodeacl)(struct se_portal_group *,
- struct config_group *, const char *);
- void (*fabric_drop_nodeacl)(struct se_node_acl *);
+ int (*fabric_init_nodeacl)(struct se_node_acl *, const char *);
+ void (*fabric_cleanup_nodeacl)(struct se_node_acl *);
struct configfs_attribute **tfc_discovery_attrs;
struct configfs_attribute **tfc_wwn_attrs;
@@ -132,16 +116,16 @@ void transport_deregister_session(struct se_session *);
void transport_init_se_cmd(struct se_cmd *,
const struct target_core_fabric_ops *,
struct se_session *, u32, int, int, unsigned char *);
-sense_reason_t transport_lookup_cmd_lun(struct se_cmd *, u32);
+sense_reason_t transport_lookup_cmd_lun(struct se_cmd *, u64);
sense_reason_t target_setup_cmd_from_cdb(struct se_cmd *, unsigned char *);
int target_submit_cmd_map_sgls(struct se_cmd *, struct se_session *,
- unsigned char *, unsigned char *, u32, u32, int, int, int,
+ unsigned char *, unsigned char *, u64, u32, int, int, int,
struct scatterlist *, u32, struct scatterlist *, u32,
struct scatterlist *, u32);
int target_submit_cmd(struct se_cmd *, struct se_session *, unsigned char *,
- unsigned char *, u32, u32, int, int, int);
+ unsigned char *, u64, u32, int, int, int);
int target_submit_tmr(struct se_cmd *se_cmd, struct se_session *se_sess,
- unsigned char *sense, u32 unpacked_lun,
+ unsigned char *sense, u64 unpacked_lun,
void *fabric_tmr_ptr, unsigned char tm_type,
gfp_t, unsigned int, int);
int transport_handle_cdb_direct(struct se_cmd *);
@@ -155,8 +139,8 @@ bool transport_wait_for_tasks(struct se_cmd *);
int transport_check_aborted_status(struct se_cmd *, int);
int transport_send_check_condition_and_sense(struct se_cmd *,
sense_reason_t, int);
-int target_get_sess_cmd(struct se_session *, struct se_cmd *, bool);
-int target_put_sess_cmd(struct se_session *, struct se_cmd *);
+int target_get_sess_cmd(struct se_cmd *, bool);
+int target_put_sess_cmd(struct se_cmd *);
void target_sess_cmd_list_set_waiting(struct se_session *);
void target_wait_for_sess_cmds(struct se_session *);
@@ -167,52 +151,19 @@ void core_tmr_release_req(struct se_tmr_req *);
int transport_generic_handle_tmr(struct se_cmd *);
void transport_generic_request_failure(struct se_cmd *, sense_reason_t);
void __target_execute_cmd(struct se_cmd *);
-int transport_lookup_tmr_lun(struct se_cmd *, u32);
+int transport_lookup_tmr_lun(struct se_cmd *, u64);
struct se_node_acl *core_tpg_get_initiator_node_acl(struct se_portal_group *tpg,
unsigned char *);
struct se_node_acl *core_tpg_check_initiator_node_acl(struct se_portal_group *,
unsigned char *);
-void core_tpg_clear_object_luns(struct se_portal_group *);
-struct se_node_acl *core_tpg_add_initiator_node_acl(struct se_portal_group *,
- struct se_node_acl *, const char *, u32);
-int core_tpg_del_initiator_node_acl(struct se_portal_group *,
- struct se_node_acl *, int);
int core_tpg_set_initiator_node_queue_depth(struct se_portal_group *,
unsigned char *, u32, int);
int core_tpg_set_initiator_node_tag(struct se_portal_group *,
struct se_node_acl *, const char *);
-int core_tpg_register(const struct target_core_fabric_ops *,
- struct se_wwn *, struct se_portal_group *, void *, int);
+int core_tpg_register(struct se_wwn *, struct se_portal_group *, int);
int core_tpg_deregister(struct se_portal_group *);
-/* SAS helpers */
-u8 sas_get_fabric_proto_ident(struct se_portal_group *);
-u32 sas_get_pr_transport_id(struct se_portal_group *, struct se_node_acl *,
- struct t10_pr_registration *, int *, unsigned char *);
-u32 sas_get_pr_transport_id_len(struct se_portal_group *, struct se_node_acl *,
- struct t10_pr_registration *, int *);
-char *sas_parse_pr_out_transport_id(struct se_portal_group *, const char *,
- u32 *, char **);
-
-/* FC helpers */
-u8 fc_get_fabric_proto_ident(struct se_portal_group *);
-u32 fc_get_pr_transport_id(struct se_portal_group *, struct se_node_acl *,
- struct t10_pr_registration *, int *, unsigned char *);
-u32 fc_get_pr_transport_id_len(struct se_portal_group *, struct se_node_acl *,
- struct t10_pr_registration *, int *);
-char *fc_parse_pr_out_transport_id(struct se_portal_group *, const char *,
- u32 *, char **);
-
-/* iSCSI helpers */
-u8 iscsi_get_fabric_proto_ident(struct se_portal_group *);
-u32 iscsi_get_pr_transport_id(struct se_portal_group *, struct se_node_acl *,
- struct t10_pr_registration *, int *, unsigned char *);
-u32 iscsi_get_pr_transport_id_len(struct se_portal_group *, struct se_node_acl *,
- struct t10_pr_registration *, int *);
-char *iscsi_parse_pr_out_transport_id(struct se_portal_group *, const char *,
- u32 *, char **);
-
/*
* The LIO target core uses DMA_TO_DEVICE to mean that data is going
* to the target (eg handling a WRITE) and DMA_FROM_DEVICE to mean
diff --git a/lib/crc-t10dif.c b/lib/crc-t10dif.c
index dfe6ec17c0a5fa774ec34d23de696be7b99a6182..1ad33e555805a22cc901d4ed029826eea0b78250 100644
--- a/lib/crc-t10dif.c
+++ b/lib/crc-t10dif.c
@@ -19,7 +19,7 @@
static struct crypto_shash *crct10dif_tfm;
static struct static_key crct10dif_fallback __read_mostly;
-__u16 crc_t10dif(const unsigned char *buffer, size_t len)
+__u16 crc_t10dif_update(__u16 crc, const unsigned char *buffer, size_t len)
{
struct {
struct shash_desc shash;
@@ -28,17 +28,23 @@ __u16 crc_t10dif(const unsigned char *buffer, size_t len)
int err;
if (static_key_false(&crct10dif_fallback))
- return crc_t10dif_generic(0, buffer, len);
+ return crc_t10dif_generic(crc, buffer, len);
desc.shash.tfm = crct10dif_tfm;
desc.shash.flags = 0;
- *(__u16 *)desc.ctx = 0;
+ *(__u16 *)desc.ctx = crc;
err = crypto_shash_update(&desc.shash, buffer, len);
BUG_ON(err);
return *(__u16 *)desc.ctx;
}
+EXPORT_SYMBOL(crc_t10dif_update);
+
+__u16 crc_t10dif(const unsigned char *buffer, size_t len)
+{
+ return crc_t10dif_update(0, buffer, len);
+}
EXPORT_SYMBOL(crc_t10dif);
static int __init crc_t10dif_mod_init(void)