]> git.karo-electronics.de Git - mv-sheeva.git/blobdiff - Documentation/target/tcm_mod_builder.py
Merge tag 'v2.6.38' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
[mv-sheeva.git] / Documentation / target / tcm_mod_builder.py
diff --git a/Documentation/target/tcm_mod_builder.py b/Documentation/target/tcm_mod_builder.py
new file mode 100755 (executable)
index 0000000..dbeb8a0
--- /dev/null
@@ -0,0 +1,1094 @@
+#!/usr/bin/python
+# The TCM v4 multi-protocol fabric module generation script for drivers/target/$NEW_MOD
+#
+# Copyright (c) 2010 Rising Tide Systems
+# Copyright (c) 2010 Linux-iSCSI.org
+#
+# Author: nab@kernel.org
+#
+import os, sys
+import subprocess as sub
+import string
+import re
+import optparse
+
+tcm_dir = ""
+
+fabric_ops = []
+fabric_mod_dir = ""
+fabric_mod_port = ""
+fabric_mod_init_port = ""
+
+def tcm_mod_err(msg):
+       print msg
+       sys.exit(1)
+
+def tcm_mod_create_module_subdir(fabric_mod_dir_var):
+
+       if os.path.isdir(fabric_mod_dir_var) == True:
+               return 1
+
+       print "Creating fabric_mod_dir: " + fabric_mod_dir_var
+       ret = os.mkdir(fabric_mod_dir_var)
+       if ret:
+               tcm_mod_err("Unable to mkdir " + fabric_mod_dir_var)
+
+       return
+
+def tcm_mod_build_FC_include(fabric_mod_dir_var, fabric_mod_name):
+       global fabric_mod_port
+       global fabric_mod_init_port
+       buf = ""
+
+       f = fabric_mod_dir_var + "/" + fabric_mod_name + "_base.h"
+       print "Writing file: " + f
+
+       p = open(f, 'w');
+       if not p:
+               tcm_mod_err("Unable to open file: " + f)
+
+       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"
+       buf += "        /* Pointer back to " + fabric_mod_name + "_lport */\n"
+       buf += "        struct " + fabric_mod_name + "_lport *lport;\n"
+       buf += "        /* Returned by " + fabric_mod_name + "_make_tpg() */\n"
+       buf += "        struct se_portal_group se_tpg;\n"
+       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"
+       buf += "        char lport_name[" + fabric_mod_name.upper() + "_NAMELEN];\n"
+       buf += "        /* Returned by " + fabric_mod_name + "_make_lport() */\n"
+       buf += "        struct se_wwn lport_wwn;\n"
+       buf += "};\n"
+
+       ret = p.write(buf)
+       if ret:
+               tcm_mod_err("Unable to write f: " + f)
+
+       p.close()
+
+       fabric_mod_port = "lport"
+       fabric_mod_init_port = "nport"
+
+       return
+
+def tcm_mod_build_SAS_include(fabric_mod_dir_var, fabric_mod_name):
+       global fabric_mod_port
+       global fabric_mod_init_port
+       buf = ""
+
+       f = fabric_mod_dir_var + "/" + fabric_mod_name + "_base.h"
+       print "Writing file: " + f
+
+       p = open(f, 'w');
+       if not p:
+               tcm_mod_err("Unable to open file: " + f)
+
+       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"
+       buf += "        /* Pointer back to " + fabric_mod_name + "_tport */\n"
+       buf += "        struct " + fabric_mod_name + "_tport *tport;\n"
+       buf += "        /* Returned by " + fabric_mod_name + "_make_tpg() */\n"
+       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"
+       buf += "        char tport_name[" + fabric_mod_name.upper() + "_NAMELEN];\n"
+       buf += "        /* Returned by " + fabric_mod_name + "_make_tport() */\n"
+       buf += "        struct se_wwn tport_wwn;\n"
+       buf += "};\n"
+
+       ret = p.write(buf)
+       if ret:
+               tcm_mod_err("Unable to write f: " + f)
+
+       p.close()
+
+       fabric_mod_port = "tport"
+       fabric_mod_init_port = "iport"
+
+       return
+
+def tcm_mod_build_iSCSI_include(fabric_mod_dir_var, fabric_mod_name):
+       global fabric_mod_port
+       global fabric_mod_init_port
+       buf = ""
+
+       f = fabric_mod_dir_var + "/" + fabric_mod_name + "_base.h"
+       print "Writing file: " + f
+
+       p = open(f, 'w');
+       if not p:
+               tcm_mod_err("Unable to open file: " + f)
+
+       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"
+       buf += "        /* Pointer back to " + fabric_mod_name + "_tport */\n"
+       buf += "        struct " + fabric_mod_name + "_tport *tport;\n"
+       buf += "        /* Returned by " + fabric_mod_name + "_make_tpg() */\n"
+       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"
+       buf += "        struct se_wwn tport_wwn;\n"
+       buf += "};\n"
+
+       ret = p.write(buf)
+       if ret:
+               tcm_mod_err("Unable to write f: " + f)
+
+       p.close()
+
+       fabric_mod_port = "tport"
+       fabric_mod_init_port = "iport"
+
+       return
+
+def tcm_mod_build_base_includes(proto_ident, fabric_mod_dir_val, fabric_mod_name):
+
+       if proto_ident == "FC":
+               tcm_mod_build_FC_include(fabric_mod_dir_val, fabric_mod_name)
+       elif proto_ident == "SAS":
+               tcm_mod_build_SAS_include(fabric_mod_dir_val, fabric_mod_name)
+       elif proto_ident == "iSCSI":
+               tcm_mod_build_iSCSI_include(fabric_mod_dir_val, fabric_mod_name)
+       else:
+               print "Unsupported proto_ident: " + proto_ident
+               sys.exit(1)
+
+       return
+
+def tcm_mod_build_configfs(proto_ident, fabric_mod_dir_var, fabric_mod_name):
+       buf = ""
+
+       f = fabric_mod_dir_var + "/" + fabric_mod_name + "_configfs.c"
+       print "Writing file: " + f
+
+        p = open(f, 'w');
+        if not p:
+                tcm_mod_err("Unable to open file: " + f)
+
+       buf = "#include <linux/module.h>\n"
+       buf += "#include <linux/moduleparam.h>\n"
+       buf += "#include <linux/version.h>\n"
+       buf += "#include <generated/utsrelease.h>\n"
+       buf += "#include <linux/utsname.h>\n"
+       buf += "#include <linux/init.h>\n"
+       buf += "#include <linux/slab.h>\n"
+       buf += "#include <linux/kthread.h>\n"
+       buf += "#include <linux/types.h>\n"
+       buf += "#include <linux/string.h>\n"
+       buf += "#include <linux/configfs.h>\n"
+       buf += "#include <linux/ctype.h>\n"
+       buf += "#include <asm/unaligned.h>\n\n"
+       buf += "#include <target/target_core_base.h>\n"
+       buf += "#include <target/target_core_transport.h>\n"
+       buf += "#include <target/target_core_fabric_ops.h>\n"
+       buf += "#include <target/target_core_fabric_configfs.h>\n"
+       buf += "#include <target/target_core_fabric_lib.h>\n"
+       buf += "#include <target/target_core_device.h>\n"
+       buf += "#include <target/target_core_tpg.h>\n"
+       buf += "#include <target/target_core_configfs.h>\n"
+       buf += "#include <target/target_core_base.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 += "/* Local pointer to allocated TCM configfs fabric module */\n"
+       buf += "struct target_fabric_configfs *" + fabric_mod_name + "_fabric_configfs;\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 += "        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"
+       buf += "        const char *name)\n"
+       buf += "{\n"
+       buf += "        struct " + fabric_mod_name + "_" + fabric_mod_port + "*" + fabric_mod_port + " = container_of(wwn,\n"
+       buf += "                        struct " + fabric_mod_name + "_" + fabric_mod_port + ", " + fabric_mod_port + "_wwn);\n\n"
+       buf += "        struct " + fabric_mod_name + "_tpg *tpg;\n"
+       buf += "        unsigned long tpgt;\n"
+       buf += "        int ret;\n\n"
+       buf += "        if (strstr(name, \"tpgt_\") != name)\n"
+       buf += "                return ERR_PTR(-EINVAL);\n"
+       buf += "        if (strict_strtoul(name + 5, 10, &tpgt) || tpgt > UINT_MAX)\n"
+       buf += "                return ERR_PTR(-EINVAL);\n\n"
+       buf += "        tpg = kzalloc(sizeof(struct " + fabric_mod_name + "_tpg), GFP_KERNEL);\n"
+       buf += "        if (!(tpg)) {\n"
+       buf += "                printk(KERN_ERR \"Unable to allocate struct " + fabric_mod_name + "_tpg\");\n"
+       buf += "                return ERR_PTR(-ENOMEM);\n"
+       buf += "        }\n"
+       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 + "_fabric_configfs->tf_ops, wwn,\n"
+       buf += "                                &tpg->se_tpg, (void *)tpg,\n"
+       buf += "                                TRANSPORT_TPG_TYPE_NORMAL);\n"
+       buf += "        if (ret < 0) {\n"
+       buf += "                kfree(tpg);\n"
+       buf += "                return NULL;\n"
+       buf += "        }\n"
+       buf += "        return &tpg->se_tpg;\n"
+       buf += "}\n\n"
+       buf += "static void " + fabric_mod_name + "_drop_tpg(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\n"
+       buf += "        core_tpg_deregister(se_tpg);\n"
+       buf += "        kfree(tpg);\n"
+       buf += "}\n\n"
+
+       buf += "static struct se_wwn *" + fabric_mod_name + "_make_" + fabric_mod_port + "(\n"
+       buf += "        struct target_fabric_configfs *tf,\n"
+       buf += "        struct config_group *group,\n"
+       buf += "        const char *name)\n"
+       buf += "{\n"
+       buf += "        struct " + fabric_mod_name + "_" + fabric_mod_port + " *" + fabric_mod_port + ";\n"
+
+       if proto_ident == "FC" or proto_ident == "SAS":
+               buf += "        u64 wwpn = 0;\n\n"
+
+       buf += "        /* if (" + fabric_mod_name + "_parse_wwn(name, &wwpn, 1) < 0)\n"
+       buf += "                return ERR_PTR(-EINVAL); */\n\n"
+       buf += "        " + fabric_mod_port + " = kzalloc(sizeof(struct " + fabric_mod_name + "_" + fabric_mod_port + "), GFP_KERNEL);\n"
+       buf += "        if (!(" + fabric_mod_port + ")) {\n"
+       buf += "                printk(KERN_ERR \"Unable to allocate struct " + fabric_mod_name + "_" + fabric_mod_port + "\");\n"
+       buf += "                return ERR_PTR(-ENOMEM);\n"
+       buf += "        }\n"
+
+       if proto_ident == "FC" or proto_ident == "SAS":
+               buf += "        " + fabric_mod_port + "->" + fabric_mod_port + "_wwpn = wwpn;\n"
+
+       buf += "        /* " + fabric_mod_name + "_format_wwn(&" + fabric_mod_port + "->" + fabric_mod_port + "_name[0], " + fabric_mod_name.upper() + "__NAMELEN, wwpn); */\n\n"
+       buf += "        return &" + fabric_mod_port + "->" + fabric_mod_port + "_wwn;\n"
+       buf += "}\n\n"
+       buf += "static void " + fabric_mod_name + "_drop_" + fabric_mod_port + "(struct se_wwn *wwn)\n"
+       buf += "{\n"
+       buf += "        struct " + fabric_mod_name + "_" + fabric_mod_port + " *" + fabric_mod_port + " = container_of(wwn,\n"
+       buf += "                                struct " + fabric_mod_name + "_" + fabric_mod_port + ", " + fabric_mod_port + "_wwn);\n"
+       buf += "        kfree(" + fabric_mod_port + ");\n"
+       buf += "}\n\n"
+       buf += "static ssize_t " + fabric_mod_name + "_wwn_show_attr_version(\n"
+       buf += "        struct target_fabric_configfs *tf,\n"
+       buf += "        char *page)\n"
+       buf += "{\n"
+       buf += "        return sprintf(page, \"" + fabric_mod_name.upper() + " fabric module %s on %s/%s\"\n"
+       buf += "                \"on \"UTS_RELEASE\"\\n\", " + fabric_mod_name.upper() + "_VERSION, utsname()->sysname,\n"
+       buf += "                utsname()->machine);\n"
+       buf += "}\n\n"
+       buf += "TF_WWN_ATTR_RO(" + fabric_mod_name + ", version);\n\n"
+       buf += "static struct configfs_attribute *" + fabric_mod_name + "_wwn_attrs[] = {\n"
+       buf += "        &" + fabric_mod_name + "_wwn_version.attr,\n"
+       buf += "        NULL,\n"
+       buf += "};\n\n"
+
+       buf += "static struct target_core_fabric_ops " + fabric_mod_name + "_ops = {\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_to_pool            = " + fabric_mod_name + "_release_cmd,\n"
+       buf += "        .release_cmd_direct             = " + fabric_mod_name + "_release_cmd,\n"
+       buf += "        .shutdown_session               = " + fabric_mod_name + "_shutdown_session,\n"
+       buf += "        .close_session                  = " + fabric_mod_name + "_close_session,\n"
+       buf += "        .stop_session                   = " + fabric_mod_name + "_stop_session,\n"
+       buf += "        .fall_back_to_erl0              = " + fabric_mod_name + "_reset_nexus,\n"
+       buf += "        .sess_logged_in                 = " + fabric_mod_name + "_sess_logged_in,\n"
+       buf += "        .sess_get_index                 = " + fabric_mod_name + "_sess_get_index,\n"
+       buf += "        .sess_get_initiator_sid         = NULL,\n"
+       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 += "        .new_cmd_failure                = " + fabric_mod_name + "_new_cmd_failure,\n"
+       buf += "        .queue_data_in                  = " + fabric_mod_name + "_queue_data_in,\n"
+       buf += "        .queue_status                   = " + fabric_mod_name + "_queue_status,\n"
+       buf += "        .queue_tm_rsp                   = " + fabric_mod_name + "_queue_tm_rsp,\n"
+       buf += "        .get_fabric_sense_len           = " + fabric_mod_name + "_get_fabric_sense_len,\n"
+       buf += "        .set_fabric_sense_len           = " + fabric_mod_name + "_set_fabric_sense_len,\n"
+       buf += "        .is_state_remove                = " + fabric_mod_name + "_is_state_remove,\n"
+       buf += "        .pack_lun                       = " + fabric_mod_name + "_pack_lun,\n"
+       buf += "        /*\n"
+       buf += "         * Setup function pointers for generic logic in target_core_fabric_configfs.c\n"
+       buf += "         */\n"
+       buf += "        .fabric_make_wwn                = " + fabric_mod_name + "_make_" + fabric_mod_port + ",\n"
+       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\n"
+
+       buf += "static int " + fabric_mod_name + "_register_configfs(void)\n"
+       buf += "{\n"
+       buf += "        struct target_fabric_configfs *fabric;\n"
+       buf += "        int ret;\n\n"
+       buf += "        printk(KERN_INFO \"" + fabric_mod_name.upper() + " fabric module %s on %s/%s\"\n"
+       buf += "                \" on \"UTS_RELEASE\"\\n\"," + fabric_mod_name.upper() + "_VERSION, utsname()->sysname,\n"
+       buf += "                utsname()->machine);\n"
+       buf += "        /*\n"
+       buf += "         * Register the top level struct config_item_type with TCM core\n"
+       buf += "         */\n"
+       buf += "        fabric = target_fabric_configfs_init(THIS_MODULE, \"" + fabric_mod_name[4:] + "\");\n"
+       buf += "        if (!(fabric)) {\n"
+       buf += "                printk(KERN_ERR \"target_fabric_configfs_init() failed\\n\");\n"
+       buf += "                return -ENOMEM;\n"
+       buf += "        }\n"
+       buf += "        /*\n"
+       buf += "         * Setup fabric->tf_ops from our local " + fabric_mod_name + "_ops\n"
+       buf += "         */\n"
+       buf += "        fabric->tf_ops = " + fabric_mod_name + "_ops;\n"
+       buf += "        /*\n"
+       buf += "         * Setup default attribute lists for various fabric->tf_cit_tmpl\n"
+       buf += "         */\n"
+       buf += "        TF_CIT_TMPL(fabric)->tfc_wwn_cit.ct_attrs = " + fabric_mod_name + "_wwn_attrs;\n"
+       buf += "        TF_CIT_TMPL(fabric)->tfc_tpg_base_cit.ct_attrs = NULL;\n"
+       buf += "        TF_CIT_TMPL(fabric)->tfc_tpg_attrib_cit.ct_attrs = NULL;\n"
+       buf += "        TF_CIT_TMPL(fabric)->tfc_tpg_param_cit.ct_attrs = NULL;\n"
+       buf += "        TF_CIT_TMPL(fabric)->tfc_tpg_np_base_cit.ct_attrs = NULL;\n"
+       buf += "        TF_CIT_TMPL(fabric)->tfc_tpg_nacl_base_cit.ct_attrs = NULL;\n"
+       buf += "        TF_CIT_TMPL(fabric)->tfc_tpg_nacl_attrib_cit.ct_attrs = NULL;\n"
+       buf += "        TF_CIT_TMPL(fabric)->tfc_tpg_nacl_auth_cit.ct_attrs = NULL;\n"
+       buf += "        TF_CIT_TMPL(fabric)->tfc_tpg_nacl_param_cit.ct_attrs = NULL;\n"
+       buf += "        /*\n"
+       buf += "         * Register the fabric for use within TCM\n"
+       buf += "         */\n"
+       buf += "        ret = target_fabric_configfs_register(fabric);\n"
+       buf += "        if (ret < 0) {\n"
+       buf += "                printk(KERN_ERR \"target_fabric_configfs_register() failed\"\n"
+       buf += "                                \" for " + fabric_mod_name.upper() + "\\n\");\n"
+       buf += "                return ret;\n"
+       buf += "        }\n"
+       buf += "        /*\n"
+       buf += "         * Setup our local pointer to *fabric\n"
+       buf += "         */\n"
+       buf += "        " + fabric_mod_name + "_fabric_configfs = fabric;\n"
+       buf += "        printk(KERN_INFO \"" +  fabric_mod_name.upper() + "[0] - Set fabric -> " + fabric_mod_name + "_fabric_configfs\\n\");\n"
+       buf += "        return 0;\n"
+       buf += "};\n\n"
+       buf += "static void " + fabric_mod_name + "_deregister_configfs(void)\n"
+       buf += "{\n"
+       buf += "        if (!(" + fabric_mod_name + "_fabric_configfs))\n"
+       buf += "                return;\n\n"
+       buf += "        target_fabric_configfs_deregister(" + fabric_mod_name + "_fabric_configfs);\n"
+       buf += "        " + fabric_mod_name + "_fabric_configfs = NULL;\n"
+       buf += "        printk(KERN_INFO \"" +  fabric_mod_name.upper() + "[0] - Cleared " + fabric_mod_name + "_fabric_configfs\\n\");\n"
+       buf += "};\n\n"
+
+       buf += "static int __init " + fabric_mod_name + "_init(void)\n"
+       buf += "{\n"
+       buf += "        int ret;\n\n"
+       buf += "        ret = " + fabric_mod_name + "_register_configfs();\n"
+       buf += "        if (ret < 0)\n"
+       buf += "                return ret;\n\n"
+       buf += "        return 0;\n"
+       buf += "};\n\n"
+       buf += "static void " + fabric_mod_name + "_exit(void)\n"
+       buf += "{\n"
+       buf += "        " + fabric_mod_name + "_deregister_configfs();\n"
+       buf += "};\n\n"
+
+       buf += "#ifdef MODULE\n"
+       buf += "MODULE_DESCRIPTION(\"" + fabric_mod_name.upper() + " series fabric driver\");\n"
+       buf += "MODULE_LICENSE(\"GPL\");\n"
+       buf += "module_init(" + fabric_mod_name + "_init);\n"
+       buf += "module_exit(" + fabric_mod_name + "_exit);\n"
+       buf += "#endif\n"
+
+       ret = p.write(buf)
+       if ret:
+               tcm_mod_err("Unable to write f: " + f)
+
+       p.close()
+
+       return
+
+def tcm_mod_scan_fabric_ops(tcm_dir):
+
+       fabric_ops_api = tcm_dir + "include/target/target_core_fabric_ops.h"
+
+       print "Using tcm_mod_scan_fabric_ops: " + fabric_ops_api
+       process_fo = 0;
+
+       p = open(fabric_ops_api, 'r')
+
+       line = p.readline()
+       while line:
+               if process_fo == 0 and re.search('struct target_core_fabric_ops {', line):
+                       line = p.readline()
+                       continue
+
+               if process_fo == 0:
+                       process_fo = 1;
+                       line = p.readline()
+                       # Search for function pointer
+                       if not re.search('\(\*', line):
+                               continue
+
+                       fabric_ops.append(line.rstrip())
+                       continue
+
+               line = p.readline()
+               # Search for function pointer
+               if not re.search('\(\*', line):
+                       continue
+
+               fabric_ops.append(line.rstrip())
+
+       p.close()
+       return
+
+def tcm_mod_dump_fabric_ops(proto_ident, fabric_mod_dir_var, fabric_mod_name):
+       buf = ""
+       bufi = ""
+
+       f = fabric_mod_dir_var + "/" + fabric_mod_name + "_fabric.c"
+       print "Writing file: " + f
+
+       p = open(f, 'w')
+       if not p:
+               tcm_mod_err("Unable to open file: " + f)
+
+       fi = fabric_mod_dir_var + "/" + fabric_mod_name + "_fabric.h"
+       print "Writing file: " + fi
+
+       pi = open(fi, 'w')
+       if not pi:
+               tcm_mod_err("Unable to open file: " + fi)
+
+       buf = "#include <linux/slab.h>\n"
+       buf += "#include <linux/kthread.h>\n"
+       buf += "#include <linux/types.h>\n"
+       buf += "#include <linux/list.h>\n"
+       buf += "#include <linux/types.h>\n"
+       buf += "#include <linux/string.h>\n"
+       buf += "#include <linux/ctype.h>\n"
+       buf += "#include <asm/unaligned.h>\n"
+       buf += "#include <scsi/scsi.h>\n"
+       buf += "#include <scsi/scsi_host.h>\n"
+       buf += "#include <scsi/scsi_device.h>\n"
+       buf += "#include <scsi/scsi_cmnd.h>\n"
+       buf += "#include <scsi/libfc.h>\n\n"
+       buf += "#include <target/target_core_base.h>\n"
+       buf += "#include <target/target_core_transport.h>\n"
+       buf += "#include <target/target_core_fabric_ops.h>\n"
+       buf += "#include <target/target_core_fabric_lib.h>\n"
+       buf += "#include <target/target_core_device.h>\n"
+       buf += "#include <target/target_core_tpg.h>\n"
+       buf += "#include <target/target_core_configfs.h>\n"
+       buf += "#include <" + fabric_mod_name + "_base.h>\n"
+       buf += "#include <" + fabric_mod_name + "_fabric.h>\n\n"
+
+       buf += "int " + fabric_mod_name + "_check_true(struct se_portal_group *se_tpg)\n"
+       buf += "{\n"
+       buf += "        return 1;\n"
+       buf += "}\n\n"
+       bufi += "int " + fabric_mod_name + "_check_true(struct se_portal_group *);\n"
+
+       buf += "int " + fabric_mod_name + "_check_false(struct se_portal_group *se_tpg)\n"
+       buf += "{\n"
+       buf += "        return 0;\n"
+       buf += "}\n\n"
+       bufi += "int " + fabric_mod_name + "_check_false(struct se_portal_group *);\n"
+
+       total_fabric_ops = len(fabric_ops)
+       i = 0
+
+       while i < total_fabric_ops:
+               fo = fabric_ops[i]
+               i += 1
+#              print "fabric_ops: " + fo
+
+               if re.search('get_fabric_name', fo):
+                       buf += "char *" + fabric_mod_name + "_get_fabric_name(void)\n"
+                       buf += "{\n"
+                       buf += "        return \"" + fabric_mod_name[4:] + "\";\n"
+                       buf += "}\n\n"
+                       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"
+                       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\n"
+                       buf += "        return &" + fabric_mod_port + "->" + fabric_mod_port + "_name[0];\n"
+                       buf += "}\n\n"
+                       bufi += "char *" + fabric_mod_name + "_get_fabric_wwn(struct se_portal_group *);\n"
+
+               if re.search('get_tag', fo):
+                       buf += "u16 " + fabric_mod_name + "_get_tag(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 += "        return tpg->" + fabric_mod_port + "_tpgt;\n"
+                       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\)\(', fo):
+                       buf += "struct se_node_acl *" + fabric_mod_name + "_alloc_fabric_acl(struct se_portal_group *se_tpg)\n"
+                       buf += "{\n"
+                       buf += "        struct " + fabric_mod_name + "_nacl *nacl;\n\n"
+                       buf += "        nacl = kzalloc(sizeof(struct " + fabric_mod_name + "_nacl), GFP_KERNEL);\n"
+                       buf += "        if (!(nacl)) {\n"
+                       buf += "                printk(KERN_ERR \"Unable to alocate struct " + fabric_mod_name + "_nacl\\n\");\n"
+                       buf += "                return NULL;\n"
+                       buf += "        }\n\n"
+                       buf += "        return &nacl->se_node_acl;\n"
+                       buf += "}\n\n"
+                       bufi += "struct se_node_acl *" + fabric_mod_name + "_alloc_fabric_acl(struct se_portal_group *);\n"
+
+               if re.search('release_fabric_acl\)\(', fo):
+                       buf += "void " + fabric_mod_name + "_release_fabric_acl(\n"
+                       buf += "        struct se_portal_group *se_tpg,\n"
+                       buf += "        struct se_node_acl *se_nacl)\n"
+                       buf += "{\n"
+                       buf += "        struct " + fabric_mod_name + "_nacl *nacl = container_of(se_nacl,\n"
+                       buf += "                        struct " + fabric_mod_name + "_nacl, se_node_acl);\n"
+                       buf += "        kfree(nacl);\n"
+                       buf += "}\n\n"
+                       bufi += "void " + fabric_mod_name + "_release_fabric_acl(struct se_portal_group *,\n"
+                       bufi += "                       struct se_node_acl *);\n"
+
+               if re.search('tpg_get_inst_index\)\(', fo):
+                       buf += "u32 " + fabric_mod_name + "_tpg_get_inst_index(struct se_portal_group *se_tpg)\n"
+                       buf += "{\n"
+                       buf += "        return 1;\n"
+                       buf += "}\n\n"
+                       bufi += "u32 " + fabric_mod_name + "_tpg_get_inst_index(struct se_portal_group *);\n"
+
+               if re.search('release_cmd_to_pool', fo):
+                       buf += "void " + fabric_mod_name + "_release_cmd(struct se_cmd *se_cmd)\n"
+                       buf += "{\n"
+                       buf += "        return;\n"
+                       buf += "}\n\n"
+                       bufi += "void " + fabric_mod_name + "_release_cmd(struct se_cmd *);\n"
+
+               if re.search('shutdown_session\)\(', fo):
+                       buf += "int " + fabric_mod_name + "_shutdown_session(struct se_session *se_sess)\n"
+                       buf += "{\n"
+                       buf += "        return 0;\n"
+                       buf += "}\n\n"
+                       bufi += "int " + fabric_mod_name + "_shutdown_session(struct se_session *);\n"
+
+               if re.search('close_session\)\(', fo):
+                       buf += "void " + fabric_mod_name + "_close_session(struct se_session *se_sess)\n"
+                       buf += "{\n"
+                       buf += "        return;\n"
+                       buf += "}\n\n"
+                       bufi += "void " + fabric_mod_name + "_close_session(struct se_session *);\n"
+
+               if re.search('stop_session\)\(', fo):
+                       buf += "void " + fabric_mod_name + "_stop_session(struct se_session *se_sess, int sess_sleep , int conn_sleep)\n"
+                       buf += "{\n"
+                       buf += "        return;\n"
+                       buf += "}\n\n"
+                       bufi += "void " + fabric_mod_name + "_stop_session(struct se_session *, int, int);\n"
+
+               if re.search('fall_back_to_erl0\)\(', fo):
+                       buf += "void " + fabric_mod_name + "_reset_nexus(struct se_session *se_sess)\n"
+                       buf += "{\n"
+                       buf += "        return;\n"
+                       buf += "}\n\n"
+                       bufi += "void " + fabric_mod_name + "_reset_nexus(struct se_session *);\n"
+
+               if re.search('sess_logged_in\)\(', fo):
+                       buf += "int " + fabric_mod_name + "_sess_logged_in(struct se_session *se_sess)\n"
+                       buf += "{\n"
+                       buf += "        return 0;\n"
+                       buf += "}\n\n"
+                       bufi += "int " + fabric_mod_name + "_sess_logged_in(struct se_session *);\n"
+
+               if re.search('sess_get_index\)\(', fo):
+                       buf += "u32 " + fabric_mod_name + "_sess_get_index(struct se_session *se_sess)\n"
+                       buf += "{\n"
+                       buf += "        return 0;\n"
+                       buf += "}\n\n"
+                       bufi += "u32 " + fabric_mod_name + "_sess_get_index(struct se_session *);\n"
+
+               if re.search('write_pending\)\(', fo):
+                       buf += "int " + fabric_mod_name + "_write_pending(struct se_cmd *se_cmd)\n"
+                       buf += "{\n"
+                       buf += "        return 0;\n"
+                       buf += "}\n\n"
+                       bufi += "int " + fabric_mod_name + "_write_pending(struct se_cmd *);\n"
+
+               if re.search('write_pending_status\)\(', fo):
+                       buf += "int " + fabric_mod_name + "_write_pending_status(struct se_cmd *se_cmd)\n"
+                       buf += "{\n"
+                       buf += "        return 0;\n"
+                       buf += "}\n\n"
+                       bufi += "int " + fabric_mod_name + "_write_pending_status(struct se_cmd *);\n"
+
+               if re.search('set_default_node_attributes\)\(', fo):
+                       buf += "void " + fabric_mod_name + "_set_default_node_attrs(struct se_node_acl *nacl)\n"
+                       buf += "{\n"
+                       buf += "        return;\n"
+                       buf += "}\n\n"
+                       bufi += "void " + fabric_mod_name + "_set_default_node_attrs(struct se_node_acl *);\n"
+
+               if re.search('get_task_tag\)\(', fo):
+                       buf += "u32 " + fabric_mod_name + "_get_task_tag(struct se_cmd *se_cmd)\n"
+                       buf += "{\n"
+                       buf += "        return 0;\n"
+                       buf += "}\n\n"
+                       bufi += "u32 " + fabric_mod_name + "_get_task_tag(struct se_cmd *);\n"
+
+               if re.search('get_cmd_state\)\(', fo):
+                       buf += "int " + fabric_mod_name + "_get_cmd_state(struct se_cmd *se_cmd)\n"
+                       buf += "{\n"
+                       buf += "        return 0;\n"
+                       buf += "}\n\n"
+                       bufi += "int " + fabric_mod_name + "_get_cmd_state(struct se_cmd *);\n"
+
+               if re.search('new_cmd_failure\)\(', fo):
+                       buf += "void " + fabric_mod_name + "_new_cmd_failure(struct se_cmd *se_cmd)\n"
+                       buf += "{\n"
+                       buf += "        return;\n"
+                       buf += "}\n\n"
+                       bufi += "void " + fabric_mod_name + "_new_cmd_failure(struct se_cmd *);\n"
+
+               if re.search('queue_data_in\)\(', fo):
+                       buf += "int " + fabric_mod_name + "_queue_data_in(struct se_cmd *se_cmd)\n"
+                       buf += "{\n"
+                       buf += "        return 0;\n"
+                       buf += "}\n\n"
+                       bufi += "int " + fabric_mod_name + "_queue_data_in(struct se_cmd *);\n"
+
+               if re.search('queue_status\)\(', fo):
+                       buf += "int " + fabric_mod_name + "_queue_status(struct se_cmd *se_cmd)\n"
+                       buf += "{\n"
+                       buf += "        return 0;\n"
+                       buf += "}\n\n"
+                       bufi += "int " + fabric_mod_name + "_queue_status(struct se_cmd *);\n"
+
+               if re.search('queue_tm_rsp\)\(', fo):
+                       buf += "int " + fabric_mod_name + "_queue_tm_rsp(struct se_cmd *se_cmd)\n"
+                       buf += "{\n"
+                       buf += "        return 0;\n"
+                       buf += "}\n\n"
+                       bufi += "int " + fabric_mod_name + "_queue_tm_rsp(struct se_cmd *);\n"
+
+               if re.search('get_fabric_sense_len\)\(', fo):
+                       buf += "u16 " + fabric_mod_name + "_get_fabric_sense_len(void)\n"
+                       buf += "{\n"
+                       buf += "        return 0;\n"
+                       buf += "}\n\n"
+                       bufi += "u16 " + fabric_mod_name + "_get_fabric_sense_len(void);\n"
+
+               if re.search('set_fabric_sense_len\)\(', fo):
+                       buf += "u16 " + fabric_mod_name + "_set_fabric_sense_len(struct se_cmd *se_cmd, u32 sense_length)\n"
+                       buf += "{\n"
+                       buf += "        return 0;\n"
+                       buf += "}\n\n"
+                       bufi += "u16 " + fabric_mod_name + "_set_fabric_sense_len(struct se_cmd *, u32);\n"
+
+               if re.search('is_state_remove\)\(', fo):
+                       buf += "int " + fabric_mod_name + "_is_state_remove(struct se_cmd *se_cmd)\n"
+                       buf += "{\n"
+                       buf += "        return 0;\n"
+                       buf += "}\n\n"
+                       bufi += "int " + fabric_mod_name + "_is_state_remove(struct se_cmd *);\n"
+
+               if re.search('pack_lun\)\(', fo):
+                       buf += "u64 " + fabric_mod_name + "_pack_lun(unsigned int lun)\n"
+                       buf += "{\n"
+                       buf += "        WARN_ON(lun >= 256);\n"
+                       buf += "        /* Caller wants this byte-swapped */\n"
+                       buf += "        return cpu_to_le64((lun & 0xff) << 8);\n"
+                       buf += "}\n\n"
+                       bufi += "u64 " + fabric_mod_name + "_pack_lun(unsigned int);\n"
+
+
+       ret = p.write(buf)
+       if ret:
+               tcm_mod_err("Unable to write f: " + f)
+
+       p.close()
+
+       ret = pi.write(bufi)
+       if ret:
+               tcm_mod_err("Unable to write fi: " + fi)
+
+       pi.close()
+       return
+
+def tcm_mod_build_kbuild(fabric_mod_dir_var, fabric_mod_name):
+
+       buf = ""
+       f = fabric_mod_dir_var + "/Kbuild"
+       print "Writing file: " + f
+
+       p = open(f, 'w')
+       if not p:
+               tcm_mod_err("Unable to open file: " + f)
+
+       buf = "EXTRA_CFLAGS += -I$(srctree)/drivers/target/ -I$(srctree)/include/ -I$(srctree)/drivers/scsi/ -I$(srctree)/include/scsi/ -I$(srctree)/drivers/target/" + fabric_mod_name + "\n\n"
+       buf += fabric_mod_name + "-objs                 := " + fabric_mod_name + "_fabric.o \\\n"
+       buf += "                                           " + fabric_mod_name + "_configfs.o\n"
+       buf += "obj-$(CONFIG_" + fabric_mod_name.upper() + ")           += " + fabric_mod_name + ".o\n"
+
+       ret = p.write(buf)
+       if ret:
+               tcm_mod_err("Unable to write f: " + f)
+
+       p.close()
+       return
+
+def tcm_mod_build_kconfig(fabric_mod_dir_var, fabric_mod_name):
+
+       buf = ""
+       f = fabric_mod_dir_var + "/Kconfig"
+       print "Writing file: " + f
+
+       p = open(f, 'w')
+       if not p:
+               tcm_mod_err("Unable to open file: " + f)
+
+       buf = "config " + fabric_mod_name.upper() + "\n"
+       buf += "        tristate \"" + fabric_mod_name.upper() + " fabric module\"\n"
+       buf += "        depends on TARGET_CORE && CONFIGFS_FS\n"
+       buf += "        default n\n"
+       buf += "        ---help---\n"
+       buf += "        Say Y here to enable the " + fabric_mod_name.upper() + " fabric module\n"
+
+       ret = p.write(buf)
+       if ret:
+               tcm_mod_err("Unable to write f: " + f)
+
+       p.close()
+       return
+
+def tcm_mod_add_kbuild(tcm_dir, fabric_mod_name):
+       buf = "obj-$(CONFIG_" + fabric_mod_name.upper() + ")    += " + fabric_mod_name.lower() + "/\n"
+       kbuild = tcm_dir + "/drivers/target/Kbuild"
+
+       f = open(kbuild, 'a')
+       f.write(buf)
+       f.close()
+       return
+
+def tcm_mod_add_kconfig(tcm_dir, fabric_mod_name):
+       buf = "source \"drivers/target/" + fabric_mod_name.lower() + "/Kconfig\"\n"
+       kconfig = tcm_dir + "/drivers/target/Kconfig"
+
+       f = open(kconfig, 'a')
+       f.write(buf)
+       f.close()
+       return
+
+def main(modname, proto_ident):
+#      proto_ident = "FC"
+#      proto_ident = "SAS"
+#      proto_ident = "iSCSI"
+
+       tcm_dir = os.getcwd();
+       tcm_dir += "/../../"
+       print "tcm_dir: " + tcm_dir
+       fabric_mod_name = modname
+       fabric_mod_dir = tcm_dir + "drivers/target/" + fabric_mod_name
+       print "Set fabric_mod_name: " + fabric_mod_name
+       print "Set fabric_mod_dir: " + fabric_mod_dir
+       print "Using proto_ident: " + proto_ident
+
+       if proto_ident != "FC" and proto_ident != "SAS" and proto_ident != "iSCSI":
+               print "Unsupported proto_ident: " + proto_ident
+               sys.exit(1)
+
+       ret = tcm_mod_create_module_subdir(fabric_mod_dir)
+       if ret:
+               print "tcm_mod_create_module_subdir() failed because module already exists!"
+               sys.exit(1)
+
+       tcm_mod_build_base_includes(proto_ident, fabric_mod_dir, fabric_mod_name)
+       tcm_mod_scan_fabric_ops(tcm_dir)
+       tcm_mod_dump_fabric_ops(proto_ident, fabric_mod_dir, fabric_mod_name)
+       tcm_mod_build_configfs(proto_ident, fabric_mod_dir, fabric_mod_name)
+       tcm_mod_build_kbuild(fabric_mod_dir, fabric_mod_name)
+       tcm_mod_build_kconfig(fabric_mod_dir, fabric_mod_name)
+
+       input = raw_input("Would you like to add " + fabric_mod_name + "to drivers/target/Kbuild..? [yes,no]: ")
+       if input == "yes" or input == "y":
+               tcm_mod_add_kbuild(tcm_dir, fabric_mod_name)
+
+       input = raw_input("Would you like to add " + fabric_mod_name + "to drivers/target/Kconfig..? [yes,no]: ")
+       if input == "yes" or input == "y":
+               tcm_mod_add_kconfig(tcm_dir, fabric_mod_name)
+
+       return
+
+parser = optparse.OptionParser()
+parser.add_option('-m', '--modulename', help='Module name', dest='modname',
+               action='store', nargs=1, type='string')
+parser.add_option('-p', '--protoident', help='Protocol Ident', dest='protoident',
+               action='store', nargs=1, type='string')
+
+(opts, args) = parser.parse_args()
+
+mandatories = ['modname', 'protoident']
+for m in mandatories:
+       if not opts.__dict__[m]:
+               print "mandatory option is missing\n"
+               parser.print_help()
+               exit(-1)
+
+if __name__ == "__main__":
+
+       main(str(opts.modname), opts.protoident)