linux/Documentation/target/tcm_mod_builder.py
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   1#!/usr/bin/python
   2# The TCM v4 multi-protocol fabric module generation script for drivers/target/$NEW_MOD
   3#
   4# Copyright (c) 2010 Rising Tide Systems
   5# Copyright (c) 2010 Linux-iSCSI.org
   6#
   7# Author: nab@kernel.org
   8#
   9import os, sys
  10import subprocess as sub
  11import string
  12import re
  13import optparse
  14
  15tcm_dir = ""
  16
  17fabric_ops = []
  18fabric_mod_dir = ""
  19fabric_mod_port = ""
  20fabric_mod_init_port = ""
  21
  22def tcm_mod_err(msg):
  23        print msg
  24        sys.exit(1)
  25
  26def tcm_mod_create_module_subdir(fabric_mod_dir_var):
  27
  28        if os.path.isdir(fabric_mod_dir_var) == True:
  29                return 1
  30
  31        print "Creating fabric_mod_dir: " + fabric_mod_dir_var
  32        ret = os.mkdir(fabric_mod_dir_var)
  33        if ret:
  34                tcm_mod_err("Unable to mkdir " + fabric_mod_dir_var)
  35
  36        return
  37
  38def tcm_mod_build_FC_include(fabric_mod_dir_var, fabric_mod_name):
  39        global fabric_mod_port
  40        global fabric_mod_init_port
  41        buf = ""
  42
  43        f = fabric_mod_dir_var + "/" + fabric_mod_name + "_base.h"
  44        print "Writing file: " + f
  45
  46        p = open(f, 'w');
  47        if not p:
  48                tcm_mod_err("Unable to open file: " + f)
  49
  50        buf = "#define " + fabric_mod_name.upper() + "_VERSION  \"v0.1\"\n"
  51        buf += "#define " + fabric_mod_name.upper() + "_NAMELEN 32\n"
  52        buf += "\n"
  53        buf += "struct " + fabric_mod_name + "_nacl {\n"
  54        buf += "        /* Binary World Wide unique Port Name for FC Initiator Nport */\n"
  55        buf += "        u64 nport_wwpn;\n"
  56        buf += "        /* ASCII formatted WWPN for FC Initiator Nport */\n"
  57        buf += "        char nport_name[" + fabric_mod_name.upper() + "_NAMELEN];\n"
  58        buf += "        /* Returned by " + fabric_mod_name + "_make_nodeacl() */\n"
  59        buf += "        struct se_node_acl se_node_acl;\n"
  60        buf += "};\n"
  61        buf += "\n"
  62        buf += "struct " + fabric_mod_name + "_tpg {\n"
  63        buf += "        /* FC lport target portal group tag for TCM */\n"
  64        buf += "        u16 lport_tpgt;\n"
  65        buf += "        /* Pointer back to " + fabric_mod_name + "_lport */\n"
  66        buf += "        struct " + fabric_mod_name + "_lport *lport;\n"
  67        buf += "        /* Returned by " + fabric_mod_name + "_make_tpg() */\n"
  68        buf += "        struct se_portal_group se_tpg;\n"
  69        buf += "};\n"
  70        buf += "\n"
  71        buf += "struct " + fabric_mod_name + "_lport {\n"
  72        buf += "        /* SCSI protocol the lport is providing */\n"
  73        buf += "        u8 lport_proto_id;\n"
  74        buf += "        /* Binary World Wide unique Port Name for FC Target Lport */\n"
  75        buf += "        u64 lport_wwpn;\n"
  76        buf += "        /* ASCII formatted WWPN for FC Target Lport */\n"
  77        buf += "        char lport_name[" + fabric_mod_name.upper() + "_NAMELEN];\n"
  78        buf += "        /* Returned by " + fabric_mod_name + "_make_lport() */\n"
  79        buf += "        struct se_wwn lport_wwn;\n"
  80        buf += "};\n"
  81
  82        ret = p.write(buf)
  83        if ret:
  84                tcm_mod_err("Unable to write f: " + f)
  85
  86        p.close()
  87
  88        fabric_mod_port = "lport"
  89        fabric_mod_init_port = "nport"
  90
  91        return
  92
  93def tcm_mod_build_SAS_include(fabric_mod_dir_var, fabric_mod_name):
  94        global fabric_mod_port
  95        global fabric_mod_init_port
  96        buf = ""
  97
  98        f = fabric_mod_dir_var + "/" + fabric_mod_name + "_base.h"
  99        print "Writing file: " + f
 100
 101        p = open(f, 'w');
 102        if not p:
 103                tcm_mod_err("Unable to open file: " + f)
 104
 105        buf = "#define " + fabric_mod_name.upper() + "_VERSION  \"v0.1\"\n"
 106        buf += "#define " + fabric_mod_name.upper() + "_NAMELEN 32\n"
 107        buf += "\n"
 108        buf += "struct " + fabric_mod_name + "_nacl {\n"
 109        buf += "        /* Binary World Wide unique Port Name for SAS Initiator port */\n"
 110        buf += "        u64 iport_wwpn;\n"
 111        buf += "        /* ASCII formatted WWPN for Sas Initiator port */\n"
 112        buf += "        char iport_name[" + fabric_mod_name.upper() + "_NAMELEN];\n"
 113        buf += "        /* Returned by " + fabric_mod_name + "_make_nodeacl() */\n"
 114        buf += "        struct se_node_acl se_node_acl;\n"
 115        buf += "};\n\n"
 116        buf += "struct " + fabric_mod_name + "_tpg {\n"
 117        buf += "        /* SAS port target portal group tag for TCM */\n"
 118        buf += "        u16 tport_tpgt;\n"
 119        buf += "        /* Pointer back to " + fabric_mod_name + "_tport */\n"
 120        buf += "        struct " + fabric_mod_name + "_tport *tport;\n"
 121        buf += "        /* Returned by " + fabric_mod_name + "_make_tpg() */\n"
 122        buf += "        struct se_portal_group se_tpg;\n"
 123        buf += "};\n\n"
 124        buf += "struct " + fabric_mod_name + "_tport {\n"
 125        buf += "        /* SCSI protocol the tport is providing */\n"
 126        buf += "        u8 tport_proto_id;\n"
 127        buf += "        /* Binary World Wide unique Port Name for SAS Target port */\n"
 128        buf += "        u64 tport_wwpn;\n"
 129        buf += "        /* ASCII formatted WWPN for SAS Target port */\n"
 130        buf += "        char tport_name[" + fabric_mod_name.upper() + "_NAMELEN];\n"
 131        buf += "        /* Returned by " + fabric_mod_name + "_make_tport() */\n"
 132        buf += "        struct se_wwn tport_wwn;\n"
 133        buf += "};\n"
 134
 135        ret = p.write(buf)
 136        if ret:
 137                tcm_mod_err("Unable to write f: " + f)
 138
 139        p.close()
 140
 141        fabric_mod_port = "tport"
 142        fabric_mod_init_port = "iport"
 143
 144        return
 145
 146def tcm_mod_build_iSCSI_include(fabric_mod_dir_var, fabric_mod_name):
 147        global fabric_mod_port
 148        global fabric_mod_init_port
 149        buf = ""
 150
 151        f = fabric_mod_dir_var + "/" + fabric_mod_name + "_base.h"
 152        print "Writing file: " + f
 153
 154        p = open(f, 'w');
 155        if not p:
 156                tcm_mod_err("Unable to open file: " + f)
 157
 158        buf = "#define " + fabric_mod_name.upper() + "_VERSION  \"v0.1\"\n"
 159        buf += "#define " + fabric_mod_name.upper() + "_NAMELEN 32\n"
 160        buf += "\n"
 161        buf += "struct " + fabric_mod_name + "_nacl {\n"
 162        buf += "        /* ASCII formatted InitiatorName */\n"
 163        buf += "        char iport_name[" + fabric_mod_name.upper() + "_NAMELEN];\n"
 164        buf += "        /* Returned by " + fabric_mod_name + "_make_nodeacl() */\n"
 165        buf += "        struct se_node_acl se_node_acl;\n"
 166        buf += "};\n\n"
 167        buf += "struct " + fabric_mod_name + "_tpg {\n"
 168        buf += "        /* iSCSI target portal group tag for TCM */\n"
 169        buf += "        u16 tport_tpgt;\n"
 170        buf += "        /* Pointer back to " + fabric_mod_name + "_tport */\n"
 171        buf += "        struct " + fabric_mod_name + "_tport *tport;\n"
 172        buf += "        /* Returned by " + fabric_mod_name + "_make_tpg() */\n"
 173        buf += "        struct se_portal_group se_tpg;\n"
 174        buf += "};\n\n"
 175        buf += "struct " + fabric_mod_name + "_tport {\n"
 176        buf += "        /* SCSI protocol the tport is providing */\n"
 177        buf += "        u8 tport_proto_id;\n"
 178        buf += "        /* ASCII formatted TargetName for IQN */\n"
 179        buf += "        char tport_name[" + fabric_mod_name.upper() + "_NAMELEN];\n"
 180        buf += "        /* Returned by " + fabric_mod_name + "_make_tport() */\n"
 181        buf += "        struct se_wwn tport_wwn;\n"
 182        buf += "};\n"
 183
 184        ret = p.write(buf)
 185        if ret:
 186                tcm_mod_err("Unable to write f: " + f)
 187
 188        p.close()
 189
 190        fabric_mod_port = "tport"
 191        fabric_mod_init_port = "iport"
 192
 193        return
 194
 195def tcm_mod_build_base_includes(proto_ident, fabric_mod_dir_val, fabric_mod_name):
 196
 197        if proto_ident == "FC":
 198                tcm_mod_build_FC_include(fabric_mod_dir_val, fabric_mod_name)
 199        elif proto_ident == "SAS":
 200                tcm_mod_build_SAS_include(fabric_mod_dir_val, fabric_mod_name)
 201        elif proto_ident == "iSCSI":
 202                tcm_mod_build_iSCSI_include(fabric_mod_dir_val, fabric_mod_name)
 203        else:
 204                print "Unsupported proto_ident: " + proto_ident
 205                sys.exit(1)
 206
 207        return
 208
 209def tcm_mod_build_configfs(proto_ident, fabric_mod_dir_var, fabric_mod_name):
 210        buf = ""
 211
 212        f = fabric_mod_dir_var + "/" + fabric_mod_name + "_configfs.c"
 213        print "Writing file: " + f
 214
 215        p = open(f, 'w');
 216        if not p:
 217                tcm_mod_err("Unable to open file: " + f)
 218
 219        buf = "#include <linux/module.h>\n"
 220        buf += "#include <linux/moduleparam.h>\n"
 221        buf += "#include <linux/version.h>\n"
 222        buf += "#include <generated/utsrelease.h>\n"
 223        buf += "#include <linux/utsname.h>\n"
 224        buf += "#include <linux/init.h>\n"
 225        buf += "#include <linux/slab.h>\n"
 226        buf += "#include <linux/kthread.h>\n"
 227        buf += "#include <linux/types.h>\n"
 228        buf += "#include <linux/string.h>\n"
 229        buf += "#include <linux/configfs.h>\n"
 230        buf += "#include <linux/ctype.h>\n"
 231        buf += "#include <asm/unaligned.h>\n\n"
 232        buf += "#include <target/target_core_base.h>\n"
 233        buf += "#include <target/target_core_fabric.h>\n"
 234        buf += "#include <target/target_core_fabric_configfs.h>\n"
 235        buf += "#include <target/target_core_configfs.h>\n"
 236        buf += "#include <target/configfs_macros.h>\n\n"
 237        buf += "#include \"" + fabric_mod_name + "_base.h\"\n"
 238        buf += "#include \"" + fabric_mod_name + "_fabric.h\"\n\n"
 239
 240        buf += "/* Local pointer to allocated TCM configfs fabric module */\n"
 241        buf += "struct target_fabric_configfs *" + fabric_mod_name + "_fabric_configfs;\n\n"
 242
 243        buf += "static struct se_node_acl *" + fabric_mod_name + "_make_nodeacl(\n"
 244        buf += "        struct se_portal_group *se_tpg,\n"
 245        buf += "        struct config_group *group,\n"
 246        buf += "        const char *name)\n"
 247        buf += "{\n"
 248        buf += "        struct se_node_acl *se_nacl, *se_nacl_new;\n"
 249        buf += "        struct " + fabric_mod_name + "_nacl *nacl;\n"
 250
 251        if proto_ident == "FC" or proto_ident == "SAS":
 252                buf += "        u64 wwpn = 0;\n"
 253
 254        buf += "        u32 nexus_depth;\n\n"
 255        buf += "        /* " + fabric_mod_name + "_parse_wwn(name, &wwpn, 1) < 0)\n"
 256        buf += "                return ERR_PTR(-EINVAL); */\n"
 257        buf += "        se_nacl_new = " + fabric_mod_name + "_alloc_fabric_acl(se_tpg);\n"
 258        buf += "        if (!se_nacl_new)\n"
 259        buf += "                return ERR_PTR(-ENOMEM);\n"
 260        buf += "//#warning FIXME: Hardcoded nexus depth in " + fabric_mod_name + "_make_nodeacl()\n"
 261        buf += "        nexus_depth = 1;\n"
 262        buf += "        /*\n"
 263        buf += "         * se_nacl_new may be released by core_tpg_add_initiator_node_acl()\n"
 264        buf += "         * when converting a NodeACL from demo mode -> explict\n"
 265        buf += "         */\n"
 266        buf += "        se_nacl = core_tpg_add_initiator_node_acl(se_tpg, se_nacl_new,\n"
 267        buf += "                                name, nexus_depth);\n"
 268        buf += "        if (IS_ERR(se_nacl)) {\n"
 269        buf += "                " + fabric_mod_name + "_release_fabric_acl(se_tpg, se_nacl_new);\n"
 270        buf += "                return se_nacl;\n"
 271        buf += "        }\n"
 272        buf += "        /*\n"
 273        buf += "         * Locate our struct " + fabric_mod_name + "_nacl and set the FC Nport WWPN\n"
 274        buf += "         */\n"
 275        buf += "        nacl = container_of(se_nacl, struct " + fabric_mod_name + "_nacl, se_node_acl);\n"
 276
 277        if proto_ident == "FC" or proto_ident == "SAS":
 278                buf += "        nacl->" + fabric_mod_init_port + "_wwpn = wwpn;\n"
 279
 280        buf += "        /* " + fabric_mod_name + "_format_wwn(&nacl->" + fabric_mod_init_port + "_name[0], " + fabric_mod_name.upper() + "_NAMELEN, wwpn); */\n\n"
 281        buf += "        return se_nacl;\n"
 282        buf += "}\n\n"
 283        buf += "static void " + fabric_mod_name + "_drop_nodeacl(struct se_node_acl *se_acl)\n"
 284        buf += "{\n"
 285        buf += "        struct " + fabric_mod_name + "_nacl *nacl = container_of(se_acl,\n"
 286        buf += "                                struct " + fabric_mod_name + "_nacl, se_node_acl);\n"
 287        buf += "        core_tpg_del_initiator_node_acl(se_acl->se_tpg, se_acl, 1);\n"
 288        buf += "        kfree(nacl);\n"
 289        buf += "}\n\n"
 290
 291        buf += "static struct se_portal_group *" + fabric_mod_name + "_make_tpg(\n"
 292        buf += "        struct se_wwn *wwn,\n"
 293        buf += "        struct config_group *group,\n"
 294        buf += "        const char *name)\n"
 295        buf += "{\n"
 296        buf += "        struct " + fabric_mod_name + "_" + fabric_mod_port + "*" + fabric_mod_port + " = container_of(wwn,\n"
 297        buf += "                        struct " + fabric_mod_name + "_" + fabric_mod_port + ", " + fabric_mod_port + "_wwn);\n\n"
 298        buf += "        struct " + fabric_mod_name + "_tpg *tpg;\n"
 299        buf += "        unsigned long tpgt;\n"
 300        buf += "        int ret;\n\n"
 301        buf += "        if (strstr(name, \"tpgt_\") != name)\n"
 302        buf += "                return ERR_PTR(-EINVAL);\n"
 303        buf += "        if (strict_strtoul(name + 5, 10, &tpgt) || tpgt > UINT_MAX)\n"
 304        buf += "                return ERR_PTR(-EINVAL);\n\n"
 305        buf += "        tpg = kzalloc(sizeof(struct " + fabric_mod_name + "_tpg), GFP_KERNEL);\n"
 306        buf += "        if (!tpg) {\n"
 307        buf += "                printk(KERN_ERR \"Unable to allocate struct " + fabric_mod_name + "_tpg\");\n"
 308        buf += "                return ERR_PTR(-ENOMEM);\n"
 309        buf += "        }\n"
 310        buf += "        tpg->" + fabric_mod_port + " = " + fabric_mod_port + ";\n"
 311        buf += "        tpg->" + fabric_mod_port + "_tpgt = tpgt;\n\n"
 312        buf += "        ret = core_tpg_register(&" + fabric_mod_name + "_fabric_configfs->tf_ops, wwn,\n"
 313        buf += "                                &tpg->se_tpg, (void *)tpg,\n"
 314        buf += "                                TRANSPORT_TPG_TYPE_NORMAL);\n"
 315        buf += "        if (ret < 0) {\n"
 316        buf += "                kfree(tpg);\n"
 317        buf += "                return NULL;\n"
 318        buf += "        }\n"
 319        buf += "        return &tpg->se_tpg;\n"
 320        buf += "}\n\n"
 321        buf += "static void " + fabric_mod_name + "_drop_tpg(struct se_portal_group *se_tpg)\n"
 322        buf += "{\n"
 323        buf += "        struct " + fabric_mod_name + "_tpg *tpg = container_of(se_tpg,\n"
 324        buf += "                                struct " + fabric_mod_name + "_tpg, se_tpg);\n\n"
 325        buf += "        core_tpg_deregister(se_tpg);\n"
 326        buf += "        kfree(tpg);\n"
 327        buf += "}\n\n"
 328
 329        buf += "static struct se_wwn *" + fabric_mod_name + "_make_" + fabric_mod_port + "(\n"
 330        buf += "        struct target_fabric_configfs *tf,\n"
 331        buf += "        struct config_group *group,\n"
 332        buf += "        const char *name)\n"
 333        buf += "{\n"
 334        buf += "        struct " + fabric_mod_name + "_" + fabric_mod_port + " *" + fabric_mod_port + ";\n"
 335
 336        if proto_ident == "FC" or proto_ident == "SAS":
 337                buf += "        u64 wwpn = 0;\n\n"
 338
 339        buf += "        /* if (" + fabric_mod_name + "_parse_wwn(name, &wwpn, 1) < 0)\n"
 340        buf += "                return ERR_PTR(-EINVAL); */\n\n"
 341        buf += "        " + fabric_mod_port + " = kzalloc(sizeof(struct " + fabric_mod_name + "_" + fabric_mod_port + "), GFP_KERNEL);\n"
 342        buf += "        if (!" + fabric_mod_port + ") {\n"
 343        buf += "                printk(KERN_ERR \"Unable to allocate struct " + fabric_mod_name + "_" + fabric_mod_port + "\");\n"
 344        buf += "                return ERR_PTR(-ENOMEM);\n"
 345        buf += "        }\n"
 346
 347        if proto_ident == "FC" or proto_ident == "SAS":
 348                buf += "        " + fabric_mod_port + "->" + fabric_mod_port + "_wwpn = wwpn;\n"
 349
 350        buf += "        /* " + fabric_mod_name + "_format_wwn(&" + fabric_mod_port + "->" + fabric_mod_port + "_name[0], " + fabric_mod_name.upper() + "_NAMELEN, wwpn); */\n\n"
 351        buf += "        return &" + fabric_mod_port + "->" + fabric_mod_port + "_wwn;\n"
 352        buf += "}\n\n"
 353        buf += "static void " + fabric_mod_name + "_drop_" + fabric_mod_port + "(struct se_wwn *wwn)\n"
 354        buf += "{\n"
 355        buf += "        struct " + fabric_mod_name + "_" + fabric_mod_port + " *" + fabric_mod_port + " = container_of(wwn,\n"
 356        buf += "                                struct " + fabric_mod_name + "_" + fabric_mod_port + ", " + fabric_mod_port + "_wwn);\n"
 357        buf += "        kfree(" + fabric_mod_port + ");\n"
 358        buf += "}\n\n"
 359        buf += "static ssize_t " + fabric_mod_name + "_wwn_show_attr_version(\n"
 360        buf += "        struct target_fabric_configfs *tf,\n"
 361        buf += "        char *page)\n"
 362        buf += "{\n"
 363        buf += "        return sprintf(page, \"" + fabric_mod_name.upper() + " fabric module %s on %s/%s\"\n"
 364        buf += "                \"on \"UTS_RELEASE\"\\n\", " + fabric_mod_name.upper() + "_VERSION, utsname()->sysname,\n"
 365        buf += "                utsname()->machine);\n"
 366        buf += "}\n\n"
 367        buf += "TF_WWN_ATTR_RO(" + fabric_mod_name + ", version);\n\n"
 368        buf += "static struct configfs_attribute *" + fabric_mod_name + "_wwn_attrs[] = {\n"
 369        buf += "        &" + fabric_mod_name + "_wwn_version.attr,\n"
 370        buf += "        NULL,\n"
 371        buf += "};\n\n"
 372
 373        buf += "static struct target_core_fabric_ops " + fabric_mod_name + "_ops = {\n"
 374        buf += "        .get_fabric_name                = " + fabric_mod_name + "_get_fabric_name,\n"
 375        buf += "        .get_fabric_proto_ident         = " + fabric_mod_name + "_get_fabric_proto_ident,\n"
 376        buf += "        .tpg_get_wwn                    = " + fabric_mod_name + "_get_fabric_wwn,\n"
 377        buf += "        .tpg_get_tag                    = " + fabric_mod_name + "_get_tag,\n"
 378        buf += "        .tpg_get_default_depth          = " + fabric_mod_name + "_get_default_depth,\n"
 379        buf += "        .tpg_get_pr_transport_id        = " + fabric_mod_name + "_get_pr_transport_id,\n"
 380        buf += "        .tpg_get_pr_transport_id_len    = " + fabric_mod_name + "_get_pr_transport_id_len,\n"
 381        buf += "        .tpg_parse_pr_out_transport_id  = " + fabric_mod_name + "_parse_pr_out_transport_id,\n"
 382        buf += "        .tpg_check_demo_mode            = " + fabric_mod_name + "_check_false,\n"
 383        buf += "        .tpg_check_demo_mode_cache      = " + fabric_mod_name + "_check_true,\n"
 384        buf += "        .tpg_check_demo_mode_write_protect = " + fabric_mod_name + "_check_true,\n"
 385        buf += "        .tpg_check_prod_mode_write_protect = " + fabric_mod_name + "_check_false,\n"
 386        buf += "        .tpg_alloc_fabric_acl           = " + fabric_mod_name + "_alloc_fabric_acl,\n"
 387        buf += "        .tpg_release_fabric_acl         = " + fabric_mod_name + "_release_fabric_acl,\n"
 388        buf += "        .tpg_get_inst_index             = " + fabric_mod_name + "_tpg_get_inst_index,\n"
 389        buf += "        .release_cmd                    = " + fabric_mod_name + "_release_cmd,\n"
 390        buf += "        .shutdown_session               = " + fabric_mod_name + "_shutdown_session,\n"
 391        buf += "        .close_session                  = " + fabric_mod_name + "_close_session,\n"
 392        buf += "        .stop_session                   = " + fabric_mod_name + "_stop_session,\n"
 393        buf += "        .fall_back_to_erl0              = " + fabric_mod_name + "_reset_nexus,\n"
 394        buf += "        .sess_logged_in                 = " + fabric_mod_name + "_sess_logged_in,\n"
 395        buf += "        .sess_get_index                 = " + fabric_mod_name + "_sess_get_index,\n"
 396        buf += "        .sess_get_initiator_sid         = NULL,\n"
 397        buf += "        .write_pending                  = " + fabric_mod_name + "_write_pending,\n"
 398        buf += "        .write_pending_status           = " + fabric_mod_name + "_write_pending_status,\n"
 399        buf += "        .set_default_node_attributes    = " + fabric_mod_name + "_set_default_node_attrs,\n"
 400        buf += "        .get_task_tag                   = " + fabric_mod_name + "_get_task_tag,\n"
 401        buf += "        .get_cmd_state                  = " + fabric_mod_name + "_get_cmd_state,\n"
 402        buf += "        .queue_data_in                  = " + fabric_mod_name + "_queue_data_in,\n"
 403        buf += "        .queue_status                   = " + fabric_mod_name + "_queue_status,\n"
 404        buf += "        .queue_tm_rsp                   = " + fabric_mod_name + "_queue_tm_rsp,\n"
 405        buf += "        .is_state_remove                = " + fabric_mod_name + "_is_state_remove,\n"
 406        buf += "        /*\n"
 407        buf += "         * Setup function pointers for generic logic in target_core_fabric_configfs.c\n"
 408        buf += "         */\n"
 409        buf += "        .fabric_make_wwn                = " + fabric_mod_name + "_make_" + fabric_mod_port + ",\n"
 410        buf += "        .fabric_drop_wwn                = " + fabric_mod_name + "_drop_" + fabric_mod_port + ",\n"
 411        buf += "        .fabric_make_tpg                = " + fabric_mod_name + "_make_tpg,\n"
 412        buf += "        .fabric_drop_tpg                = " + fabric_mod_name + "_drop_tpg,\n"
 413        buf += "        .fabric_post_link               = NULL,\n"
 414        buf += "        .fabric_pre_unlink              = NULL,\n"
 415        buf += "        .fabric_make_np                 = NULL,\n"
 416        buf += "        .fabric_drop_np                 = NULL,\n"
 417        buf += "        .fabric_make_nodeacl            = " + fabric_mod_name + "_make_nodeacl,\n"
 418        buf += "        .fabric_drop_nodeacl            = " + fabric_mod_name + "_drop_nodeacl,\n"
 419        buf += "};\n\n"
 420
 421        buf += "static int " + fabric_mod_name + "_register_configfs(void)\n"
 422        buf += "{\n"
 423        buf += "        struct target_fabric_configfs *fabric;\n"
 424        buf += "        int ret;\n\n"
 425        buf += "        printk(KERN_INFO \"" + fabric_mod_name.upper() + " fabric module %s on %s/%s\"\n"
 426        buf += "                \" on \"UTS_RELEASE\"\\n\"," + fabric_mod_name.upper() + "_VERSION, utsname()->sysname,\n"
 427        buf += "                utsname()->machine);\n"
 428        buf += "        /*\n"
 429        buf += "         * Register the top level struct config_item_type with TCM core\n"
 430        buf += "         */\n"
 431        buf += "        fabric = target_fabric_configfs_init(THIS_MODULE, \"" + fabric_mod_name[4:] + "\");\n"
 432        buf += "        if (IS_ERR(fabric)) {\n"
 433        buf += "                printk(KERN_ERR \"target_fabric_configfs_init() failed\\n\");\n"
 434        buf += "                return PTR_ERR(fabric);\n"
 435        buf += "        }\n"
 436        buf += "        /*\n"
 437        buf += "         * Setup fabric->tf_ops from our local " + fabric_mod_name + "_ops\n"
 438        buf += "         */\n"
 439        buf += "        fabric->tf_ops = " + fabric_mod_name + "_ops;\n"
 440        buf += "        /*\n"
 441        buf += "         * Setup default attribute lists for various fabric->tf_cit_tmpl\n"
 442        buf += "         */\n"
 443        buf += "        TF_CIT_TMPL(fabric)->tfc_wwn_cit.ct_attrs = " + fabric_mod_name + "_wwn_attrs;\n"
 444        buf += "        TF_CIT_TMPL(fabric)->tfc_tpg_base_cit.ct_attrs = NULL;\n"
 445        buf += "        TF_CIT_TMPL(fabric)->tfc_tpg_attrib_cit.ct_attrs = NULL;\n"
 446        buf += "        TF_CIT_TMPL(fabric)->tfc_tpg_param_cit.ct_attrs = NULL;\n"
 447        buf += "        TF_CIT_TMPL(fabric)->tfc_tpg_np_base_cit.ct_attrs = NULL;\n"
 448        buf += "        TF_CIT_TMPL(fabric)->tfc_tpg_nacl_base_cit.ct_attrs = NULL;\n"
 449        buf += "        TF_CIT_TMPL(fabric)->tfc_tpg_nacl_attrib_cit.ct_attrs = NULL;\n"
 450        buf += "        TF_CIT_TMPL(fabric)->tfc_tpg_nacl_auth_cit.ct_attrs = NULL;\n"
 451        buf += "        TF_CIT_TMPL(fabric)->tfc_tpg_nacl_param_cit.ct_attrs = NULL;\n"
 452        buf += "        /*\n"
 453        buf += "         * Register the fabric for use within TCM\n"
 454        buf += "         */\n"
 455        buf += "        ret = target_fabric_configfs_register(fabric);\n"
 456        buf += "        if (ret < 0) {\n"
 457        buf += "                printk(KERN_ERR \"target_fabric_configfs_register() failed\"\n"
 458        buf += "                                \" for " + fabric_mod_name.upper() + "\\n\");\n"
 459        buf += "                return ret;\n"
 460        buf += "        }\n"
 461        buf += "        /*\n"
 462        buf += "         * Setup our local pointer to *fabric\n"
 463        buf += "         */\n"
 464        buf += "        " + fabric_mod_name + "_fabric_configfs = fabric;\n"
 465        buf += "        printk(KERN_INFO \"" +  fabric_mod_name.upper() + "[0] - Set fabric -> " + fabric_mod_name + "_fabric_configfs\\n\");\n"
 466        buf += "        return 0;\n"
 467        buf += "};\n\n"
 468        buf += "static void __exit " + fabric_mod_name + "_deregister_configfs(void)\n"
 469        buf += "{\n"
 470        buf += "        if (!" + fabric_mod_name + "_fabric_configfs)\n"
 471        buf += "                return;\n\n"
 472        buf += "        target_fabric_configfs_deregister(" + fabric_mod_name + "_fabric_configfs);\n"
 473        buf += "        " + fabric_mod_name + "_fabric_configfs = NULL;\n"
 474        buf += "        printk(KERN_INFO \"" +  fabric_mod_name.upper() + "[0] - Cleared " + fabric_mod_name + "_fabric_configfs\\n\");\n"
 475        buf += "};\n\n"
 476
 477        buf += "static int __init " + fabric_mod_name + "_init(void)\n"
 478        buf += "{\n"
 479        buf += "        int ret;\n\n"
 480        buf += "        ret = " + fabric_mod_name + "_register_configfs();\n"
 481        buf += "        if (ret < 0)\n"
 482        buf += "                return ret;\n\n"
 483        buf += "        return 0;\n"
 484        buf += "};\n\n"
 485        buf += "static void __exit " + fabric_mod_name + "_exit(void)\n"
 486        buf += "{\n"
 487        buf += "        " + fabric_mod_name + "_deregister_configfs();\n"
 488        buf += "};\n\n"
 489
 490        buf += "MODULE_DESCRIPTION(\"" + fabric_mod_name.upper() + " series fabric driver\");\n"
 491        buf += "MODULE_LICENSE(\"GPL\");\n"
 492        buf += "module_init(" + fabric_mod_name + "_init);\n"
 493        buf += "module_exit(" + fabric_mod_name + "_exit);\n"
 494
 495        ret = p.write(buf)
 496        if ret:
 497                tcm_mod_err("Unable to write f: " + f)
 498
 499        p.close()
 500
 501        return
 502
 503def tcm_mod_scan_fabric_ops(tcm_dir):
 504
 505        fabric_ops_api = tcm_dir + "include/target/target_core_fabric.h"
 506
 507        print "Using tcm_mod_scan_fabric_ops: " + fabric_ops_api
 508        process_fo = 0;
 509
 510        p = open(fabric_ops_api, 'r')
 511
 512        line = p.readline()
 513        while line:
 514                if process_fo == 0 and re.search('struct target_core_fabric_ops {', line):
 515                        line = p.readline()
 516                        continue
 517
 518                if process_fo == 0:
 519                        process_fo = 1;
 520                        line = p.readline()
 521                        # Search for function pointer
 522                        if not re.search('\(\*', line):
 523                                continue
 524
 525                        fabric_ops.append(line.rstrip())
 526                        continue
 527
 528                line = p.readline()
 529                # Search for function pointer
 530                if not re.search('\(\*', line):
 531                        continue
 532
 533                fabric_ops.append(line.rstrip())
 534
 535        p.close()
 536        return
 537
 538def tcm_mod_dump_fabric_ops(proto_ident, fabric_mod_dir_var, fabric_mod_name):
 539        buf = ""
 540        bufi = ""
 541
 542        f = fabric_mod_dir_var + "/" + fabric_mod_name + "_fabric.c"
 543        print "Writing file: " + f
 544
 545        p = open(f, 'w')
 546        if not p:
 547                tcm_mod_err("Unable to open file: " + f)
 548
 549        fi = fabric_mod_dir_var + "/" + fabric_mod_name + "_fabric.h"
 550        print "Writing file: " + fi
 551
 552        pi = open(fi, 'w')
 553        if not pi:
 554                tcm_mod_err("Unable to open file: " + fi)
 555
 556        buf = "#include <linux/slab.h>\n"
 557        buf += "#include <linux/kthread.h>\n"
 558        buf += "#include <linux/types.h>\n"
 559        buf += "#include <linux/list.h>\n"
 560        buf += "#include <linux/types.h>\n"
 561        buf += "#include <linux/string.h>\n"
 562        buf += "#include <linux/ctype.h>\n"
 563        buf += "#include <asm/unaligned.h>\n"
 564        buf += "#include <scsi/scsi.h>\n"
 565        buf += "#include <scsi/scsi_host.h>\n"
 566        buf += "#include <scsi/scsi_device.h>\n"
 567        buf += "#include <scsi/scsi_cmnd.h>\n"
 568        buf += "#include <scsi/libfc.h>\n\n"
 569        buf += "#include <target/target_core_base.h>\n"
 570        buf += "#include <target/target_core_fabric.h>\n"
 571        buf += "#include <target/target_core_configfs.h>\n\n"
 572        buf += "#include \"" + fabric_mod_name + "_base.h\"\n"
 573        buf += "#include \"" + fabric_mod_name + "_fabric.h\"\n\n"
 574
 575        buf += "int " + fabric_mod_name + "_check_true(struct se_portal_group *se_tpg)\n"
 576        buf += "{\n"
 577        buf += "        return 1;\n"
 578        buf += "}\n\n"
 579        bufi += "int " + fabric_mod_name + "_check_true(struct se_portal_group *);\n"
 580
 581        buf += "int " + fabric_mod_name + "_check_false(struct se_portal_group *se_tpg)\n"
 582        buf += "{\n"
 583        buf += "        return 0;\n"
 584        buf += "}\n\n"
 585        bufi += "int " + fabric_mod_name + "_check_false(struct se_portal_group *);\n"
 586
 587        total_fabric_ops = len(fabric_ops)
 588        i = 0
 589
 590        while i < total_fabric_ops:
 591                fo = fabric_ops[i]
 592                i += 1
 593#               print "fabric_ops: " + fo
 594
 595                if re.search('get_fabric_name', fo):
 596                        buf += "char *" + fabric_mod_name + "_get_fabric_name(void)\n"
 597                        buf += "{\n"
 598                        buf += "        return \"" + fabric_mod_name[4:] + "\";\n"
 599                        buf += "}\n\n"
 600                        bufi += "char *" + fabric_mod_name + "_get_fabric_name(void);\n"
 601                        continue
 602
 603                if re.search('get_fabric_proto_ident', fo):
 604                        buf += "u8 " + fabric_mod_name + "_get_fabric_proto_ident(struct se_portal_group *se_tpg)\n"
 605                        buf += "{\n"
 606                        buf += "        struct " + fabric_mod_name + "_tpg *tpg = container_of(se_tpg,\n"
 607                        buf += "                                struct " + fabric_mod_name + "_tpg, se_tpg);\n"
 608                        buf += "        struct " + fabric_mod_name + "_" + fabric_mod_port + " *" + fabric_mod_port + " = tpg->" + fabric_mod_port + ";\n"
 609                        buf += "        u8 proto_id;\n\n"
 610                        buf += "        switch (" + fabric_mod_port + "->" + fabric_mod_port + "_proto_id) {\n"
 611                        if proto_ident == "FC":
 612                                buf += "        case SCSI_PROTOCOL_FCP:\n"
 613                                buf += "        default:\n"
 614                                buf += "                proto_id = fc_get_fabric_proto_ident(se_tpg);\n"
 615                                buf += "                break;\n"
 616                        elif proto_ident == "SAS":
 617                                buf += "        case SCSI_PROTOCOL_SAS:\n"
 618                                buf += "        default:\n"
 619                                buf += "                proto_id = sas_get_fabric_proto_ident(se_tpg);\n"
 620                                buf += "                break;\n"
 621                        elif proto_ident == "iSCSI":
 622                                buf += "        case SCSI_PROTOCOL_ISCSI:\n"
 623                                buf += "        default:\n"
 624                                buf += "                proto_id = iscsi_get_fabric_proto_ident(se_tpg);\n"
 625                                buf += "                break;\n"
 626
 627                        buf += "        }\n\n"
 628                        buf += "        return proto_id;\n"
 629                        buf += "}\n\n"
 630                        bufi += "u8 " + fabric_mod_name + "_get_fabric_proto_ident(struct se_portal_group *);\n"
 631
 632                if re.search('get_wwn', fo):
 633                        buf += "char *" + fabric_mod_name + "_get_fabric_wwn(struct se_portal_group *se_tpg)\n"
 634                        buf += "{\n"
 635                        buf += "        struct " + fabric_mod_name + "_tpg *tpg = container_of(se_tpg,\n"
 636                        buf += "                                struct " + fabric_mod_name + "_tpg, se_tpg);\n"
 637                        buf += "        struct " + fabric_mod_name + "_" + fabric_mod_port + " *" + fabric_mod_port + " = tpg->" + fabric_mod_port + ";\n\n"
 638                        buf += "        return &" + fabric_mod_port + "->" + fabric_mod_port + "_name[0];\n"
 639                        buf += "}\n\n"
 640                        bufi += "char *" + fabric_mod_name + "_get_fabric_wwn(struct se_portal_group *);\n"
 641
 642                if re.search('get_tag', fo):
 643                        buf += "u16 " + fabric_mod_name + "_get_tag(struct se_portal_group *se_tpg)\n"
 644                        buf += "{\n"
 645                        buf += "        struct " + fabric_mod_name + "_tpg *tpg = container_of(se_tpg,\n"
 646                        buf += "                                struct " + fabric_mod_name + "_tpg, se_tpg);\n"
 647                        buf += "        return tpg->" + fabric_mod_port + "_tpgt;\n"
 648                        buf += "}\n\n"
 649                        bufi += "u16 " + fabric_mod_name + "_get_tag(struct se_portal_group *);\n"
 650
 651                if re.search('get_default_depth', fo):
 652                        buf += "u32 " + fabric_mod_name + "_get_default_depth(struct se_portal_group *se_tpg)\n"
 653                        buf += "{\n"
 654                        buf += "        return 1;\n"
 655                        buf += "}\n\n"
 656                        bufi += "u32 " + fabric_mod_name + "_get_default_depth(struct se_portal_group *);\n"
 657
 658                if re.search('get_pr_transport_id\)\(', fo):
 659                        buf += "u32 " + fabric_mod_name + "_get_pr_transport_id(\n"
 660                        buf += "        struct se_portal_group *se_tpg,\n"
 661                        buf += "        struct se_node_acl *se_nacl,\n"
 662                        buf += "        struct t10_pr_registration *pr_reg,\n"
 663                        buf += "        int *format_code,\n"
 664                        buf += "        unsigned char *buf)\n"
 665                        buf += "{\n"
 666                        buf += "        struct " + fabric_mod_name + "_tpg *tpg = container_of(se_tpg,\n"
 667                        buf += "                                struct " + fabric_mod_name + "_tpg, se_tpg);\n"
 668                        buf += "        struct " + fabric_mod_name + "_" + fabric_mod_port + " *" + fabric_mod_port + " = tpg->" + fabric_mod_port + ";\n"
 669                        buf += "        int ret = 0;\n\n"
 670                        buf += "        switch (" + fabric_mod_port + "->" + fabric_mod_port + "_proto_id) {\n"
 671                        if proto_ident == "FC":
 672                                buf += "        case SCSI_PROTOCOL_FCP:\n"
 673                                buf += "        default:\n"
 674                                buf += "                ret = fc_get_pr_transport_id(se_tpg, se_nacl, pr_reg,\n"
 675                                buf += "                                        format_code, buf);\n"
 676                                buf += "                break;\n"
 677                        elif proto_ident == "SAS":
 678                                buf += "        case SCSI_PROTOCOL_SAS:\n"
 679                                buf += "        default:\n"
 680                                buf += "                ret = sas_get_pr_transport_id(se_tpg, se_nacl, pr_reg,\n"
 681                                buf += "                                        format_code, buf);\n"
 682                                buf += "                break;\n"
 683                        elif proto_ident == "iSCSI":
 684                                buf += "        case SCSI_PROTOCOL_ISCSI:\n"
 685                                buf += "        default:\n"
 686                                buf += "                ret = iscsi_get_pr_transport_id(se_tpg, se_nacl, pr_reg,\n"
 687                                buf += "                                        format_code, buf);\n"
 688                                buf += "                break;\n"
 689
 690                        buf += "        }\n\n"
 691                        buf += "        return ret;\n"
 692                        buf += "}\n\n"
 693                        bufi += "u32 " + fabric_mod_name + "_get_pr_transport_id(struct se_portal_group *,\n"
 694                        bufi += "                       struct se_node_acl *, struct t10_pr_registration *,\n"
 695                        bufi += "                       int *, unsigned char *);\n"
 696
 697                if re.search('get_pr_transport_id_len\)\(', fo):
 698                        buf += "u32 " + fabric_mod_name + "_get_pr_transport_id_len(\n"
 699                        buf += "        struct se_portal_group *se_tpg,\n"
 700                        buf += "        struct se_node_acl *se_nacl,\n"
 701                        buf += "        struct t10_pr_registration *pr_reg,\n"
 702                        buf += "        int *format_code)\n"
 703                        buf += "{\n"
 704                        buf += "        struct " + fabric_mod_name + "_tpg *tpg = container_of(se_tpg,\n"
 705                        buf += "                                struct " + fabric_mod_name + "_tpg, se_tpg);\n"
 706                        buf += "        struct " + fabric_mod_name + "_" + fabric_mod_port + " *" + fabric_mod_port + " = tpg->" + fabric_mod_port + ";\n"
 707                        buf += "        int ret = 0;\n\n"
 708                        buf += "        switch (" + fabric_mod_port + "->" + fabric_mod_port + "_proto_id) {\n"
 709                        if proto_ident == "FC":
 710                                buf += "        case SCSI_PROTOCOL_FCP:\n"
 711                                buf += "        default:\n"
 712                                buf += "                ret = fc_get_pr_transport_id_len(se_tpg, se_nacl, pr_reg,\n"
 713                                buf += "                                        format_code);\n"
 714                                buf += "                break;\n"
 715                        elif proto_ident == "SAS":
 716                                buf += "        case SCSI_PROTOCOL_SAS:\n"
 717                                buf += "        default:\n"
 718                                buf += "                ret = sas_get_pr_transport_id_len(se_tpg, se_nacl, pr_reg,\n"
 719                                buf += "                                        format_code);\n"
 720                                buf += "                break;\n"
 721                        elif proto_ident == "iSCSI":
 722                                buf += "        case SCSI_PROTOCOL_ISCSI:\n"
 723                                buf += "        default:\n"
 724                                buf += "                ret = iscsi_get_pr_transport_id_len(se_tpg, se_nacl, pr_reg,\n"
 725                                buf += "                                        format_code);\n"
 726                                buf += "                break;\n"
 727
 728
 729                        buf += "        }\n\n"
 730                        buf += "        return ret;\n"
 731                        buf += "}\n\n"
 732                        bufi += "u32 " + fabric_mod_name + "_get_pr_transport_id_len(struct se_portal_group *,\n"
 733                        bufi += "                       struct se_node_acl *, struct t10_pr_registration *,\n"
 734                        bufi += "                       int *);\n"
 735
 736                if re.search('parse_pr_out_transport_id\)\(', fo):
 737                        buf += "char *" + fabric_mod_name + "_parse_pr_out_transport_id(\n"
 738                        buf += "        struct se_portal_group *se_tpg,\n"
 739                        buf += "        const char *buf,\n"
 740                        buf += "        u32 *out_tid_len,\n"
 741                        buf += "        char **port_nexus_ptr)\n"
 742                        buf += "{\n"
 743                        buf += "        struct " + fabric_mod_name + "_tpg *tpg = container_of(se_tpg,\n"
 744                        buf += "                                struct " + fabric_mod_name + "_tpg, se_tpg);\n"
 745                        buf += "        struct " + fabric_mod_name + "_" + fabric_mod_port + " *" + fabric_mod_port + " = tpg->" + fabric_mod_port + ";\n"
 746                        buf += "        char *tid = NULL;\n\n"
 747                        buf += "        switch (" + fabric_mod_port + "->" + fabric_mod_port + "_proto_id) {\n"
 748                        if proto_ident == "FC":
 749                                buf += "        case SCSI_PROTOCOL_FCP:\n"
 750                                buf += "        default:\n"
 751                                buf += "                tid = fc_parse_pr_out_transport_id(se_tpg, buf, out_tid_len,\n"
 752                                buf += "                                        port_nexus_ptr);\n"
 753                        elif proto_ident == "SAS":
 754                                buf += "        case SCSI_PROTOCOL_SAS:\n"
 755                                buf += "        default:\n"
 756                                buf += "                tid = sas_parse_pr_out_transport_id(se_tpg, buf, out_tid_len,\n"
 757                                buf += "                                        port_nexus_ptr);\n"
 758                        elif proto_ident == "iSCSI":
 759                                buf += "        case SCSI_PROTOCOL_ISCSI:\n"
 760                                buf += "        default:\n"
 761                                buf += "                tid = iscsi_parse_pr_out_transport_id(se_tpg, buf, out_tid_len,\n"
 762                                buf += "                                        port_nexus_ptr);\n"
 763
 764                        buf += "        }\n\n"
 765                        buf += "        return tid;\n"
 766                        buf += "}\n\n"
 767                        bufi += "char *" + fabric_mod_name + "_parse_pr_out_transport_id(struct se_portal_group *,\n"
 768                        bufi += "                       const char *, u32 *, char **);\n"
 769
 770                if re.search('alloc_fabric_acl\)\(', fo):
 771                        buf += "struct se_node_acl *" + fabric_mod_name + "_alloc_fabric_acl(struct se_portal_group *se_tpg)\n"
 772                        buf += "{\n"
 773                        buf += "        struct " + fabric_mod_name + "_nacl *nacl;\n\n"
 774                        buf += "        nacl = kzalloc(sizeof(struct " + fabric_mod_name + "_nacl), GFP_KERNEL);\n"
 775                        buf += "        if (!nacl) {\n"
 776                        buf += "                printk(KERN_ERR \"Unable to allocate struct " + fabric_mod_name + "_nacl\\n\");\n"
 777                        buf += "                return NULL;\n"
 778                        buf += "        }\n\n"
 779                        buf += "        return &nacl->se_node_acl;\n"
 780                        buf += "}\n\n"
 781                        bufi += "struct se_node_acl *" + fabric_mod_name + "_alloc_fabric_acl(struct se_portal_group *);\n"
 782
 783                if re.search('release_fabric_acl\)\(', fo):
 784                        buf += "void " + fabric_mod_name + "_release_fabric_acl(\n"
 785                        buf += "        struct se_portal_group *se_tpg,\n"
 786                        buf += "        struct se_node_acl *se_nacl)\n"
 787                        buf += "{\n"
 788                        buf += "        struct " + fabric_mod_name + "_nacl *nacl = container_of(se_nacl,\n"
 789                        buf += "                        struct " + fabric_mod_name + "_nacl, se_node_acl);\n"
 790                        buf += "        kfree(nacl);\n"
 791                        buf += "}\n\n"
 792                        bufi += "void " + fabric_mod_name + "_release_fabric_acl(struct se_portal_group *,\n"
 793                        bufi += "                       struct se_node_acl *);\n"
 794
 795                if re.search('tpg_get_inst_index\)\(', fo):
 796                        buf += "u32 " + fabric_mod_name + "_tpg_get_inst_index(struct se_portal_group *se_tpg)\n"
 797                        buf += "{\n"
 798                        buf += "        return 1;\n"
 799                        buf += "}\n\n"
 800                        bufi += "u32 " + fabric_mod_name + "_tpg_get_inst_index(struct se_portal_group *);\n"
 801
 802                if re.search('\*release_cmd\)\(', fo):
 803                        buf += "void " + fabric_mod_name + "_release_cmd(struct se_cmd *se_cmd)\n"
 804                        buf += "{\n"
 805                        buf += "        return;\n"
 806                        buf += "}\n\n"
 807                        bufi += "void " + fabric_mod_name + "_release_cmd(struct se_cmd *);\n"
 808
 809                if re.search('shutdown_session\)\(', fo):
 810                        buf += "int " + fabric_mod_name + "_shutdown_session(struct se_session *se_sess)\n"
 811                        buf += "{\n"
 812                        buf += "        return 0;\n"
 813                        buf += "}\n\n"
 814                        bufi += "int " + fabric_mod_name + "_shutdown_session(struct se_session *);\n"
 815
 816                if re.search('close_session\)\(', fo):
 817                        buf += "void " + fabric_mod_name + "_close_session(struct se_session *se_sess)\n"
 818                        buf += "{\n"
 819                        buf += "        return;\n"
 820                        buf += "}\n\n"
 821                        bufi += "void " + fabric_mod_name + "_close_session(struct se_session *);\n"
 822
 823                if re.search('stop_session\)\(', fo):
 824                        buf += "void " + fabric_mod_name + "_stop_session(struct se_session *se_sess, int sess_sleep , int conn_sleep)\n"
 825                        buf += "{\n"
 826                        buf += "        return;\n"
 827                        buf += "}\n\n"
 828                        bufi += "void " + fabric_mod_name + "_stop_session(struct se_session *, int, int);\n"
 829
 830                if re.search('fall_back_to_erl0\)\(', fo):
 831                        buf += "void " + fabric_mod_name + "_reset_nexus(struct se_session *se_sess)\n"
 832                        buf += "{\n"
 833                        buf += "        return;\n"
 834                        buf += "}\n\n"
 835                        bufi += "void " + fabric_mod_name + "_reset_nexus(struct se_session *);\n"
 836
 837                if re.search('sess_logged_in\)\(', fo):
 838                        buf += "int " + fabric_mod_name + "_sess_logged_in(struct se_session *se_sess)\n"
 839                        buf += "{\n"
 840                        buf += "        return 0;\n"
 841                        buf += "}\n\n"
 842                        bufi += "int " + fabric_mod_name + "_sess_logged_in(struct se_session *);\n"
 843
 844                if re.search('sess_get_index\)\(', fo):
 845                        buf += "u32 " + fabric_mod_name + "_sess_get_index(struct se_session *se_sess)\n"
 846                        buf += "{\n"
 847                        buf += "        return 0;\n"
 848                        buf += "}\n\n"
 849                        bufi += "u32 " + fabric_mod_name + "_sess_get_index(struct se_session *);\n"
 850
 851                if re.search('write_pending\)\(', fo):
 852                        buf += "int " + fabric_mod_name + "_write_pending(struct se_cmd *se_cmd)\n"
 853                        buf += "{\n"
 854                        buf += "        return 0;\n"
 855                        buf += "}\n\n"
 856                        bufi += "int " + fabric_mod_name + "_write_pending(struct se_cmd *);\n"
 857
 858                if re.search('write_pending_status\)\(', fo):
 859                        buf += "int " + fabric_mod_name + "_write_pending_status(struct se_cmd *se_cmd)\n"
 860                        buf += "{\n"
 861                        buf += "        return 0;\n"
 862                        buf += "}\n\n"
 863                        bufi += "int " + fabric_mod_name + "_write_pending_status(struct se_cmd *);\n"
 864
 865                if re.search('set_default_node_attributes\)\(', fo):
 866                        buf += "void " + fabric_mod_name + "_set_default_node_attrs(struct se_node_acl *nacl)\n"
 867                        buf += "{\n"
 868                        buf += "        return;\n"
 869                        buf += "}\n\n"
 870                        bufi += "void " + fabric_mod_name + "_set_default_node_attrs(struct se_node_acl *);\n"
 871
 872                if re.search('get_task_tag\)\(', fo):
 873                        buf += "u32 " + fabric_mod_name + "_get_task_tag(struct se_cmd *se_cmd)\n"
 874                        buf += "{\n"
 875                        buf += "        return 0;\n"
 876                        buf += "}\n\n"
 877                        bufi += "u32 " + fabric_mod_name + "_get_task_tag(struct se_cmd *);\n"
 878
 879                if re.search('get_cmd_state\)\(', fo):
 880                        buf += "int " + fabric_mod_name + "_get_cmd_state(struct se_cmd *se_cmd)\n"
 881                        buf += "{\n"
 882                        buf += "        return 0;\n"
 883                        buf += "}\n\n"
 884                        bufi += "int " + fabric_mod_name + "_get_cmd_state(struct se_cmd *);\n"
 885
 886                if re.search('queue_data_in\)\(', fo):
 887                        buf += "int " + fabric_mod_name + "_queue_data_in(struct se_cmd *se_cmd)\n"
 888                        buf += "{\n"
 889                        buf += "        return 0;\n"
 890                        buf += "}\n\n"
 891                        bufi += "int " + fabric_mod_name + "_queue_data_in(struct se_cmd *);\n"
 892
 893                if re.search('queue_status\)\(', fo):
 894                        buf += "int " + fabric_mod_name + "_queue_status(struct se_cmd *se_cmd)\n"
 895                        buf += "{\n"
 896                        buf += "        return 0;\n"
 897                        buf += "}\n\n"
 898                        bufi += "int " + fabric_mod_name + "_queue_status(struct se_cmd *);\n"
 899
 900                if re.search('queue_tm_rsp\)\(', fo):
 901                        buf += "int " + fabric_mod_name + "_queue_tm_rsp(struct se_cmd *se_cmd)\n"
 902                        buf += "{\n"
 903                        buf += "        return 0;\n"
 904                        buf += "}\n\n"
 905                        bufi += "int " + fabric_mod_name + "_queue_tm_rsp(struct se_cmd *);\n"
 906
 907                if re.search('is_state_remove\)\(', fo):
 908                        buf += "int " + fabric_mod_name + "_is_state_remove(struct se_cmd *se_cmd)\n"
 909                        buf += "{\n"
 910                        buf += "        return 0;\n"
 911                        buf += "}\n\n"
 912                        bufi += "int " + fabric_mod_name + "_is_state_remove(struct se_cmd *);\n"
 913
 914
 915        ret = p.write(buf)
 916        if ret:
 917                tcm_mod_err("Unable to write f: " + f)
 918
 919        p.close()
 920
 921        ret = pi.write(bufi)
 922        if ret:
 923                tcm_mod_err("Unable to write fi: " + fi)
 924
 925        pi.close()
 926        return
 927
 928def tcm_mod_build_kbuild(fabric_mod_dir_var, fabric_mod_name):
 929
 930        buf = ""
 931        f = fabric_mod_dir_var + "/Makefile"
 932        print "Writing file: " + f
 933
 934        p = open(f, 'w')
 935        if not p:
 936                tcm_mod_err("Unable to open file: " + f)
 937
 938        buf += fabric_mod_name + "-objs                 := " + fabric_mod_name + "_fabric.o \\\n"
 939        buf += "                                           " + fabric_mod_name + "_configfs.o\n"
 940        buf += "obj-$(CONFIG_" + fabric_mod_name.upper() + ")           += " + fabric_mod_name + ".o\n"
 941
 942        ret = p.write(buf)
 943        if ret:
 944                tcm_mod_err("Unable to write f: " + f)
 945
 946        p.close()
 947        return
 948
 949def tcm_mod_build_kconfig(fabric_mod_dir_var, fabric_mod_name):
 950
 951        buf = ""
 952        f = fabric_mod_dir_var + "/Kconfig"
 953        print "Writing file: " + f
 954
 955        p = open(f, 'w')
 956        if not p:
 957                tcm_mod_err("Unable to open file: " + f)
 958
 959        buf = "config " + fabric_mod_name.upper() + "\n"
 960        buf += "        tristate \"" + fabric_mod_name.upper() + " fabric module\"\n"
 961        buf += "        depends on TARGET_CORE && CONFIGFS_FS\n"
 962        buf += "        default n\n"
 963        buf += "        ---help---\n"
 964        buf += "        Say Y here to enable the " + fabric_mod_name.upper() + " fabric module\n"
 965
 966        ret = p.write(buf)
 967        if ret:
 968                tcm_mod_err("Unable to write f: " + f)
 969
 970        p.close()
 971        return
 972
 973def tcm_mod_add_kbuild(tcm_dir, fabric_mod_name):
 974        buf = "obj-$(CONFIG_" + fabric_mod_name.upper() + ")    += " + fabric_mod_name.lower() + "/\n"
 975        kbuild = tcm_dir + "/drivers/target/Makefile"
 976
 977        f = open(kbuild, 'a')
 978        f.write(buf)
 979        f.close()
 980        return
 981
 982def tcm_mod_add_kconfig(tcm_dir, fabric_mod_name):
 983        buf = "source \"drivers/target/" + fabric_mod_name.lower() + "/Kconfig\"\n"
 984        kconfig = tcm_dir + "/drivers/target/Kconfig"
 985
 986        f = open(kconfig, 'a')
 987        f.write(buf)
 988        f.close()
 989        return
 990
 991def main(modname, proto_ident):
 992#       proto_ident = "FC"
 993#       proto_ident = "SAS"
 994#       proto_ident = "iSCSI"
 995
 996        tcm_dir = os.getcwd();
 997        tcm_dir += "/../../"
 998        print "tcm_dir: " + tcm_dir
 999        fabric_mod_name = modname
1000        fabric_mod_dir = tcm_dir + "drivers/target/" + fabric_mod_name
1001        print "Set fabric_mod_name: " + fabric_mod_name
1002        print "Set fabric_mod_dir: " + fabric_mod_dir
1003        print "Using proto_ident: " + proto_ident
1004
1005        if proto_ident != "FC" and proto_ident != "SAS" and proto_ident != "iSCSI":
1006                print "Unsupported proto_ident: " + proto_ident
1007                sys.exit(1)
1008
1009        ret = tcm_mod_create_module_subdir(fabric_mod_dir)
1010        if ret:
1011                print "tcm_mod_create_module_subdir() failed because module already exists!"
1012                sys.exit(1)
1013
1014        tcm_mod_build_base_includes(proto_ident, fabric_mod_dir, fabric_mod_name)
1015        tcm_mod_scan_fabric_ops(tcm_dir)
1016        tcm_mod_dump_fabric_ops(proto_ident, fabric_mod_dir, fabric_mod_name)
1017        tcm_mod_build_configfs(proto_ident, fabric_mod_dir, fabric_mod_name)
1018        tcm_mod_build_kbuild(fabric_mod_dir, fabric_mod_name)
1019        tcm_mod_build_kconfig(fabric_mod_dir, fabric_mod_name)
1020
1021        input = raw_input("Would you like to add " + fabric_mod_name + "to drivers/target/Makefile..? [yes,no]: ")
1022        if input == "yes" or input == "y":
1023                tcm_mod_add_kbuild(tcm_dir, fabric_mod_name)
1024
1025        input = raw_input("Would you like to add " + fabric_mod_name + "to drivers/target/Kconfig..? [yes,no]: ")
1026        if input == "yes" or input == "y":
1027                tcm_mod_add_kconfig(tcm_dir, fabric_mod_name)
1028
1029        return
1030
1031parser = optparse.OptionParser()
1032parser.add_option('-m', '--modulename', help='Module name', dest='modname',
1033                action='store', nargs=1, type='string')
1034parser.add_option('-p', '--protoident', help='Protocol Ident', dest='protoident',
1035                action='store', nargs=1, type='string')
1036
1037(opts, args) = parser.parse_args()
1038
1039mandatories = ['modname', 'protoident']
1040for m in mandatories:
1041        if not opts.__dict__[m]:
1042                print "mandatory option is missing\n"
1043                parser.print_help()
1044                exit(-1)
1045
1046if __name__ == "__main__":
1047
1048        main(str(opts.modname), opts.protoident)
1049
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