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 += "        .get_fabric_sense_len           = " + fabric_mod_name + "_get_fabric_sense_len,\n"
 406        buf += "        .set_fabric_sense_len           = " + fabric_mod_name + "_set_fabric_sense_len,\n"
 407        buf += "        .is_state_remove                = " + fabric_mod_name + "_is_state_remove,\n"
 408        buf += "        /*\n"
 409        buf += "         * Setup function pointers for generic logic in target_core_fabric_configfs.c\n"
 410        buf += "         */\n"
 411        buf += "        .fabric_make_wwn                = " + fabric_mod_name + "_make_" + fabric_mod_port + ",\n"
 412        buf += "        .fabric_drop_wwn                = " + fabric_mod_name + "_drop_" + fabric_mod_port + ",\n"
 413        buf += "        .fabric_make_tpg                = " + fabric_mod_name + "_make_tpg,\n"
 414        buf += "        .fabric_drop_tpg                = " + fabric_mod_name + "_drop_tpg,\n"
 415        buf += "        .fabric_post_link               = NULL,\n"
 416        buf += "        .fabric_pre_unlink              = NULL,\n"
 417        buf += "        .fabric_make_np                 = NULL,\n"
 418        buf += "        .fabric_drop_np                 = NULL,\n"
 419        buf += "        .fabric_make_nodeacl            = " + fabric_mod_name + "_make_nodeacl,\n"
 420        buf += "        .fabric_drop_nodeacl            = " + fabric_mod_name + "_drop_nodeacl,\n"
 421        buf += "};\n\n"
 422
 423        buf += "static int " + fabric_mod_name + "_register_configfs(void)\n"
 424        buf += "{\n"
 425        buf += "        struct target_fabric_configfs *fabric;\n"
 426        buf += "        int ret;\n\n"
 427        buf += "        printk(KERN_INFO \"" + fabric_mod_name.upper() + " fabric module %s on %s/%s\"\n"
 428        buf += "                \" on \"UTS_RELEASE\"\\n\"," + fabric_mod_name.upper() + "_VERSION, utsname()->sysname,\n"
 429        buf += "                utsname()->machine);\n"
 430        buf += "        /*\n"
 431        buf += "         * Register the top level struct config_item_type with TCM core\n"
 432        buf += "         */\n"
 433        buf += "        fabric = target_fabric_configfs_init(THIS_MODULE, \"" + fabric_mod_name[4:] + "\");\n"
 434        buf += "        if (IS_ERR(fabric)) {\n"
 435        buf += "                printk(KERN_ERR \"target_fabric_configfs_init() failed\\n\");\n"
 436        buf += "                return PTR_ERR(fabric);\n"
 437        buf += "        }\n"
 438        buf += "        /*\n"
 439        buf += "         * Setup fabric->tf_ops from our local " + fabric_mod_name + "_ops\n"
 440        buf += "         */\n"
 441        buf += "        fabric->tf_ops = " + fabric_mod_name + "_ops;\n"
 442        buf += "        /*\n"
 443        buf += "         * Setup default attribute lists for various fabric->tf_cit_tmpl\n"
 444        buf += "         */\n"
 445        buf += "        TF_CIT_TMPL(fabric)->tfc_wwn_cit.ct_attrs = " + fabric_mod_name + "_wwn_attrs;\n"
 446        buf += "        TF_CIT_TMPL(fabric)->tfc_tpg_base_cit.ct_attrs = NULL;\n"
 447        buf += "        TF_CIT_TMPL(fabric)->tfc_tpg_attrib_cit.ct_attrs = NULL;\n"
 448        buf += "        TF_CIT_TMPL(fabric)->tfc_tpg_param_cit.ct_attrs = NULL;\n"
 449        buf += "        TF_CIT_TMPL(fabric)->tfc_tpg_np_base_cit.ct_attrs = NULL;\n"
 450        buf += "        TF_CIT_TMPL(fabric)->tfc_tpg_nacl_base_cit.ct_attrs = NULL;\n"
 451        buf += "        TF_CIT_TMPL(fabric)->tfc_tpg_nacl_attrib_cit.ct_attrs = NULL;\n"
 452        buf += "        TF_CIT_TMPL(fabric)->tfc_tpg_nacl_auth_cit.ct_attrs = NULL;\n"
 453        buf += "        TF_CIT_TMPL(fabric)->tfc_tpg_nacl_param_cit.ct_attrs = NULL;\n"
 454        buf += "        /*\n"
 455        buf += "         * Register the fabric for use within TCM\n"
 456        buf += "         */\n"
 457        buf += "        ret = target_fabric_configfs_register(fabric);\n"
 458        buf += "        if (ret < 0) {\n"
 459        buf += "                printk(KERN_ERR \"target_fabric_configfs_register() failed\"\n"
 460        buf += "                                \" for " + fabric_mod_name.upper() + "\\n\");\n"
 461        buf += "                return ret;\n"
 462        buf += "        }\n"
 463        buf += "        /*\n"
 464        buf += "         * Setup our local pointer to *fabric\n"
 465        buf += "         */\n"
 466        buf += "        " + fabric_mod_name + "_fabric_configfs = fabric;\n"
 467        buf += "        printk(KERN_INFO \"" +  fabric_mod_name.upper() + "[0] - Set fabric -> " + fabric_mod_name + "_fabric_configfs\\n\");\n"
 468        buf += "        return 0;\n"
 469        buf += "};\n\n"
 470        buf += "static void __exit " + fabric_mod_name + "_deregister_configfs(void)\n"
 471        buf += "{\n"
 472        buf += "        if (!" + fabric_mod_name + "_fabric_configfs)\n"
 473        buf += "                return;\n\n"
 474        buf += "        target_fabric_configfs_deregister(" + fabric_mod_name + "_fabric_configfs);\n"
 475        buf += "        " + fabric_mod_name + "_fabric_configfs = NULL;\n"
 476        buf += "        printk(KERN_INFO \"" +  fabric_mod_name.upper() + "[0] - Cleared " + fabric_mod_name + "_fabric_configfs\\n\");\n"
 477        buf += "};\n\n"
 478
 479        buf += "static int __init " + fabric_mod_name + "_init(void)\n"
 480        buf += "{\n"
 481        buf += "        int ret;\n\n"
 482        buf += "        ret = " + fabric_mod_name + "_register_configfs();\n"
 483        buf += "        if (ret < 0)\n"
 484        buf += "                return ret;\n\n"
 485        buf += "        return 0;\n"
 486        buf += "};\n\n"
 487        buf += "static void __exit " + fabric_mod_name + "_exit(void)\n"
 488        buf += "{\n"
 489        buf += "        " + fabric_mod_name + "_deregister_configfs();\n"
 490        buf += "};\n\n"
 491
 492        buf += "MODULE_DESCRIPTION(\"" + fabric_mod_name.upper() + " series fabric driver\");\n"
 493        buf += "MODULE_LICENSE(\"GPL\");\n"
 494        buf += "module_init(" + fabric_mod_name + "_init);\n"
 495        buf += "module_exit(" + fabric_mod_name + "_exit);\n"
 496
 497        ret = p.write(buf)
 498        if ret:
 499                tcm_mod_err("Unable to write f: " + f)
 500
 501        p.close()
 502
 503        return
 504
 505def tcm_mod_scan_fabric_ops(tcm_dir):
 506
 507        fabric_ops_api = tcm_dir + "include/target/target_core_fabric.h"
 508
 509        print "Using tcm_mod_scan_fabric_ops: " + fabric_ops_api
 510        process_fo = 0;
 511
 512        p = open(fabric_ops_api, 'r')
 513
 514        line = p.readline()
 515        while line:
 516                if process_fo == 0 and re.search('struct target_core_fabric_ops {', line):
 517                        line = p.readline()
 518                        continue
 519
 520                if process_fo == 0:
 521                        process_fo = 1;
 522                        line = p.readline()
 523                        # Search for function pointer
 524                        if not re.search('\(\*', line):
 525                                continue
 526
 527                        fabric_ops.append(line.rstrip())
 528                        continue
 529
 530                line = p.readline()
 531                # Search for function pointer
 532                if not re.search('\(\*', line):
 533                        continue
 534
 535                fabric_ops.append(line.rstrip())
 536
 537        p.close()
 538        return
 539
 540def tcm_mod_dump_fabric_ops(proto_ident, fabric_mod_dir_var, fabric_mod_name):
 541        buf = ""
 542        bufi = ""
 543
 544        f = fabric_mod_dir_var + "/" + fabric_mod_name + "_fabric.c"
 545        print "Writing file: " + f
 546
 547        p = open(f, 'w')
 548        if not p:
 549                tcm_mod_err("Unable to open file: " + f)
 550
 551        fi = fabric_mod_dir_var + "/" + fabric_mod_name + "_fabric.h"
 552        print "Writing file: " + fi
 553
 554        pi = open(fi, 'w')
 555        if not pi:
 556                tcm_mod_err("Unable to open file: " + fi)
 557
 558        buf = "#include <linux/slab.h>\n"
 559        buf += "#include <linux/kthread.h>\n"
 560        buf += "#include <linux/types.h>\n"
 561        buf += "#include <linux/list.h>\n"
 562        buf += "#include <linux/types.h>\n"
 563        buf += "#include <linux/string.h>\n"
 564        buf += "#include <linux/ctype.h>\n"
 565        buf += "#include <asm/unaligned.h>\n"
 566        buf += "#include <scsi/scsi.h>\n"
 567        buf += "#include <scsi/scsi_host.h>\n"
 568        buf += "#include <scsi/scsi_device.h>\n"
 569        buf += "#include <scsi/scsi_cmnd.h>\n"
 570        buf += "#include <scsi/libfc.h>\n\n"
 571        buf += "#include <target/target_core_base.h>\n"
 572        buf += "#include <target/target_core_fabric.h>\n"
 573        buf += "#include <target/target_core_configfs.h>\n\n"
 574        buf += "#include \"" + fabric_mod_name + "_base.h\"\n"
 575        buf += "#include \"" + fabric_mod_name + "_fabric.h\"\n\n"
 576
 577        buf += "int " + fabric_mod_name + "_check_true(struct se_portal_group *se_tpg)\n"
 578        buf += "{\n"
 579        buf += "        return 1;\n"
 580        buf += "}\n\n"
 581        bufi += "int " + fabric_mod_name + "_check_true(struct se_portal_group *);\n"
 582
 583        buf += "int " + fabric_mod_name + "_check_false(struct se_portal_group *se_tpg)\n"
 584        buf += "{\n"
 585        buf += "        return 0;\n"
 586        buf += "}\n\n"
 587        bufi += "int " + fabric_mod_name + "_check_false(struct se_portal_group *);\n"
 588
 589        total_fabric_ops = len(fabric_ops)
 590        i = 0
 591
 592        while i < total_fabric_ops:
 593                fo = fabric_ops[i]
 594                i += 1
 595#               print "fabric_ops: " + fo
 596
 597                if re.search('get_fabric_name', fo):
 598                        buf += "char *" + fabric_mod_name + "_get_fabric_name(void)\n"
 599                        buf += "{\n"
 600                        buf += "        return \"" + fabric_mod_name[4:] + "\";\n"
 601                        buf += "}\n\n"
 602                        bufi += "char *" + fabric_mod_name + "_get_fabric_name(void);\n"
 603                        continue
 604
 605                if re.search('get_fabric_proto_ident', fo):
 606                        buf += "u8 " + fabric_mod_name + "_get_fabric_proto_ident(struct se_portal_group *se_tpg)\n"
 607                        buf += "{\n"
 608                        buf += "        struct " + fabric_mod_name + "_tpg *tpg = container_of(se_tpg,\n"
 609                        buf += "                                struct " + fabric_mod_name + "_tpg, se_tpg);\n"
 610                        buf += "        struct " + fabric_mod_name + "_" + fabric_mod_port + " *" + fabric_mod_port + " = tpg->" + fabric_mod_port + ";\n"
 611                        buf += "        u8 proto_id;\n\n"
 612                        buf += "        switch (" + fabric_mod_port + "->" + fabric_mod_port + "_proto_id) {\n"
 613                        if proto_ident == "FC":
 614                                buf += "        case SCSI_PROTOCOL_FCP:\n"
 615                                buf += "        default:\n"
 616                                buf += "                proto_id = fc_get_fabric_proto_ident(se_tpg);\n"
 617                                buf += "                break;\n"
 618                        elif proto_ident == "SAS":
 619                                buf += "        case SCSI_PROTOCOL_SAS:\n"
 620                                buf += "        default:\n"
 621                                buf += "                proto_id = sas_get_fabric_proto_ident(se_tpg);\n"
 622                                buf += "                break;\n"
 623                        elif proto_ident == "iSCSI":
 624                                buf += "        case SCSI_PROTOCOL_ISCSI:\n"
 625                                buf += "        default:\n"
 626                                buf += "                proto_id = iscsi_get_fabric_proto_ident(se_tpg);\n"
 627                                buf += "                break;\n"
 628
 629                        buf += "        }\n\n"
 630                        buf += "        return proto_id;\n"
 631                        buf += "}\n\n"
 632                        bufi += "u8 " + fabric_mod_name + "_get_fabric_proto_ident(struct se_portal_group *);\n"
 633
 634                if re.search('get_wwn', fo):
 635                        buf += "char *" + fabric_mod_name + "_get_fabric_wwn(struct se_portal_group *se_tpg)\n"
 636                        buf += "{\n"
 637                        buf += "        struct " + fabric_mod_name + "_tpg *tpg = container_of(se_tpg,\n"
 638                        buf += "                                struct " + fabric_mod_name + "_tpg, se_tpg);\n"
 639                        buf += "        struct " + fabric_mod_name + "_" + fabric_mod_port + " *" + fabric_mod_port + " = tpg->" + fabric_mod_port + ";\n\n"
 640                        buf += "        return &" + fabric_mod_port + "->" + fabric_mod_port + "_name[0];\n"
 641                        buf += "}\n\n"
 642                        bufi += "char *" + fabric_mod_name + "_get_fabric_wwn(struct se_portal_group *);\n"
 643
 644                if re.search('get_tag', fo):
 645                        buf += "u16 " + fabric_mod_name + "_get_tag(struct se_portal_group *se_tpg)\n"
 646                        buf += "{\n"
 647                        buf += "        struct " + fabric_mod_name + "_tpg *tpg = container_of(se_tpg,\n"
 648                        buf += "                                struct " + fabric_mod_name + "_tpg, se_tpg);\n"
 649                        buf += "        return tpg->" + fabric_mod_port + "_tpgt;\n"
 650                        buf += "}\n\n"
 651                        bufi += "u16 " + fabric_mod_name + "_get_tag(struct se_portal_group *);\n"
 652
 653                if re.search('get_default_depth', fo):
 654                        buf += "u32 " + fabric_mod_name + "_get_default_depth(struct se_portal_group *se_tpg)\n"
 655                        buf += "{\n"
 656                        buf += "        return 1;\n"
 657                        buf += "}\n\n"
 658                        bufi += "u32 " + fabric_mod_name + "_get_default_depth(struct se_portal_group *);\n"
 659
 660                if re.search('get_pr_transport_id\)\(', fo):
 661                        buf += "u32 " + fabric_mod_name + "_get_pr_transport_id(\n"
 662                        buf += "        struct se_portal_group *se_tpg,\n"
 663                        buf += "        struct se_node_acl *se_nacl,\n"
 664                        buf += "        struct t10_pr_registration *pr_reg,\n"
 665                        buf += "        int *format_code,\n"
 666                        buf += "        unsigned char *buf)\n"
 667                        buf += "{\n"
 668                        buf += "        struct " + fabric_mod_name + "_tpg *tpg = container_of(se_tpg,\n"
 669                        buf += "                                struct " + fabric_mod_name + "_tpg, se_tpg);\n"
 670                        buf += "        struct " + fabric_mod_name + "_" + fabric_mod_port + " *" + fabric_mod_port + " = tpg->" + fabric_mod_port + ";\n"
 671                        buf += "        int ret = 0;\n\n"
 672                        buf += "        switch (" + fabric_mod_port + "->" + fabric_mod_port + "_proto_id) {\n"
 673                        if proto_ident == "FC":
 674                                buf += "        case SCSI_PROTOCOL_FCP:\n"
 675                                buf += "        default:\n"
 676                                buf += "                ret = fc_get_pr_transport_id(se_tpg, se_nacl, pr_reg,\n"
 677                                buf += "                                        format_code, buf);\n"
 678                                buf += "                break;\n"
 679                        elif proto_ident == "SAS":
 680                                buf += "        case SCSI_PROTOCOL_SAS:\n"
 681                                buf += "        default:\n"
 682                                buf += "                ret = sas_get_pr_transport_id(se_tpg, se_nacl, pr_reg,\n"
 683                                buf += "                                        format_code, buf);\n"
 684                                buf += "                break;\n"
 685                        elif proto_ident == "iSCSI":
 686                                buf += "        case SCSI_PROTOCOL_ISCSI:\n"
 687                                buf += "        default:\n"
 688                                buf += "                ret = iscsi_get_pr_transport_id(se_tpg, se_nacl, pr_reg,\n"
 689                                buf += "                                        format_code, buf);\n"
 690                                buf += "                break;\n"
 691
 692                        buf += "        }\n\n"
 693                        buf += "        return ret;\n"
 694                        buf += "}\n\n"
 695                        bufi += "u32 " + fabric_mod_name + "_get_pr_transport_id(struct se_portal_group *,\n"
 696                        bufi += "                       struct se_node_acl *, struct t10_pr_registration *,\n"
 697                        bufi += "                       int *, unsigned char *);\n"
 698
 699                if re.search('get_pr_transport_id_len\)\(', fo):
 700                        buf += "u32 " + fabric_mod_name + "_get_pr_transport_id_len(\n"
 701                        buf += "        struct se_portal_group *se_tpg,\n"
 702                        buf += "        struct se_node_acl *se_nacl,\n"
 703                        buf += "        struct t10_pr_registration *pr_reg,\n"
 704                        buf += "        int *format_code)\n"
 705                        buf += "{\n"
 706                        buf += "        struct " + fabric_mod_name + "_tpg *tpg = container_of(se_tpg,\n"
 707                        buf += "                                struct " + fabric_mod_name + "_tpg, se_tpg);\n"
 708                        buf += "        struct " + fabric_mod_name + "_" + fabric_mod_port + " *" + fabric_mod_port + " = tpg->" + fabric_mod_port + ";\n"
 709                        buf += "        int ret = 0;\n\n"
 710                        buf += "        switch (" + fabric_mod_port + "->" + fabric_mod_port + "_proto_id) {\n"
 711                        if proto_ident == "FC":
 712                                buf += "        case SCSI_PROTOCOL_FCP:\n"
 713                                buf += "        default:\n"
 714                                buf += "                ret = fc_get_pr_transport_id_len(se_tpg, se_nacl, pr_reg,\n"
 715                                buf += "                                        format_code);\n"
 716                                buf += "                break;\n"
 717                        elif proto_ident == "SAS":
 718                                buf += "        case SCSI_PROTOCOL_SAS:\n"
 719                                buf += "        default:\n"
 720                                buf += "                ret = sas_get_pr_transport_id_len(se_tpg, se_nacl, pr_reg,\n"
 721                                buf += "                                        format_code);\n"
 722                                buf += "                break;\n"
 723                        elif proto_ident == "iSCSI":
 724                                buf += "        case SCSI_PROTOCOL_ISCSI:\n"
 725                                buf += "        default:\n"
 726                                buf += "                ret = iscsi_get_pr_transport_id_len(se_tpg, se_nacl, pr_reg,\n"
 727                                buf += "                                        format_code);\n"
 728                                buf += "                break;\n"
 729
 730
 731                        buf += "        }\n\n"
 732                        buf += "        return ret;\n"
 733                        buf += "}\n\n"
 734                        bufi += "u32 " + fabric_mod_name + "_get_pr_transport_id_len(struct se_portal_group *,\n"
 735                        bufi += "                       struct se_node_acl *, struct t10_pr_registration *,\n"
 736                        bufi += "                       int *);\n"
 737
 738                if re.search('parse_pr_out_transport_id\)\(', fo):
 739                        buf += "char *" + fabric_mod_name + "_parse_pr_out_transport_id(\n"
 740                        buf += "        struct se_portal_group *se_tpg,\n"
 741                        buf += "        const char *buf,\n"
 742                        buf += "        u32 *out_tid_len,\n"
 743                        buf += "        char **port_nexus_ptr)\n"
 744                        buf += "{\n"
 745                        buf += "        struct " + fabric_mod_name + "_tpg *tpg = container_of(se_tpg,\n"
 746                        buf += "                                struct " + fabric_mod_name + "_tpg, se_tpg);\n"
 747                        buf += "        struct " + fabric_mod_name + "_" + fabric_mod_port + " *" + fabric_mod_port + " = tpg->" + fabric_mod_port + ";\n"
 748                        buf += "        char *tid = NULL;\n\n"
 749                        buf += "        switch (" + fabric_mod_port + "->" + fabric_mod_port + "_proto_id) {\n"
 750                        if proto_ident == "FC":
 751                                buf += "        case SCSI_PROTOCOL_FCP:\n"
 752                                buf += "        default:\n"
 753                                buf += "                tid = fc_parse_pr_out_transport_id(se_tpg, buf, out_tid_len,\n"
 754                                buf += "                                        port_nexus_ptr);\n"
 755                        elif proto_ident == "SAS":
 756                                buf += "        case SCSI_PROTOCOL_SAS:\n"
 757                                buf += "        default:\n"
 758                                buf += "                tid = sas_parse_pr_out_transport_id(se_tpg, buf, out_tid_len,\n"
 759                                buf += "                                        port_nexus_ptr);\n"
 760                        elif proto_ident == "iSCSI":
 761                                buf += "        case SCSI_PROTOCOL_ISCSI:\n"
 762                                buf += "        default:\n"
 763                                buf += "                tid = iscsi_parse_pr_out_transport_id(se_tpg, buf, out_tid_len,\n"
 764                                buf += "                                        port_nexus_ptr);\n"
 765
 766                        buf += "        }\n\n"
 767                        buf += "        return tid;\n"
 768                        buf += "}\n\n"
 769                        bufi += "char *" + fabric_mod_name + "_parse_pr_out_transport_id(struct se_portal_group *,\n"
 770                        bufi += "                       const char *, u32 *, char **);\n"
 771
 772                if re.search('alloc_fabric_acl\)\(', fo):
 773                        buf += "struct se_node_acl *" + fabric_mod_name + "_alloc_fabric_acl(struct se_portal_group *se_tpg)\n"
 774                        buf += "{\n"
 775                        buf += "        struct " + fabric_mod_name + "_nacl *nacl;\n\n"
 776                        buf += "        nacl = kzalloc(sizeof(struct " + fabric_mod_name + "_nacl), GFP_KERNEL);\n"
 777                        buf += "        if (!nacl) {\n"
 778                        buf += "                printk(KERN_ERR \"Unable to allocate struct " + fabric_mod_name + "_nacl\\n\");\n"
 779                        buf += "                return NULL;\n"
 780                        buf += "        }\n\n"
 781                        buf += "        return &nacl->se_node_acl;\n"
 782                        buf += "}\n\n"
 783                        bufi += "struct se_node_acl *" + fabric_mod_name + "_alloc_fabric_acl(struct se_portal_group *);\n"
 784
 785                if re.search('release_fabric_acl\)\(', fo):
 786                        buf += "void " + fabric_mod_name + "_release_fabric_acl(\n"
 787                        buf += "        struct se_portal_group *se_tpg,\n"
 788                        buf += "        struct se_node_acl *se_nacl)\n"
 789                        buf += "{\n"
 790                        buf += "        struct " + fabric_mod_name + "_nacl *nacl = container_of(se_nacl,\n"
 791                        buf += "                        struct " + fabric_mod_name + "_nacl, se_node_acl);\n"
 792                        buf += "        kfree(nacl);\n"
 793                        buf += "}\n\n"
 794                        bufi += "void " + fabric_mod_name + "_release_fabric_acl(struct se_portal_group *,\n"
 795                        bufi += "                       struct se_node_acl *);\n"
 796
 797                if re.search('tpg_get_inst_index\)\(', fo):
 798                        buf += "u32 " + fabric_mod_name + "_tpg_get_inst_index(struct se_portal_group *se_tpg)\n"
 799                        buf += "{\n"
 800                        buf += "        return 1;\n"
 801                        buf += "}\n\n"
 802                        bufi += "u32 " + fabric_mod_name + "_tpg_get_inst_index(struct se_portal_group *);\n"
 803
 804                if re.search('\*release_cmd\)\(', fo):
 805                        buf += "void " + fabric_mod_name + "_release_cmd(struct se_cmd *se_cmd)\n"
 806                        buf += "{\n"
 807                        buf += "        return;\n"
 808                        buf += "}\n\n"
 809                        bufi += "void " + fabric_mod_name + "_release_cmd(struct se_cmd *);\n"
 810
 811                if re.search('shutdown_session\)\(', fo):
 812                        buf += "int " + fabric_mod_name + "_shutdown_session(struct se_session *se_sess)\n"
 813                        buf += "{\n"
 814                        buf += "        return 0;\n"
 815                        buf += "}\n\n"
 816                        bufi += "int " + fabric_mod_name + "_shutdown_session(struct se_session *);\n"
 817
 818                if re.search('close_session\)\(', fo):
 819                        buf += "void " + fabric_mod_name + "_close_session(struct se_session *se_sess)\n"
 820                        buf += "{\n"
 821                        buf += "        return;\n"
 822                        buf += "}\n\n"
 823                        bufi += "void " + fabric_mod_name + "_close_session(struct se_session *);\n"
 824
 825                if re.search('stop_session\)\(', fo):
 826                        buf += "void " + fabric_mod_name + "_stop_session(struct se_session *se_sess, int sess_sleep , int conn_sleep)\n"
 827                        buf += "{\n"
 828                        buf += "        return;\n"
 829                        buf += "}\n\n"
 830                        bufi += "void " + fabric_mod_name + "_stop_session(struct se_session *, int, int);\n"
 831
 832                if re.search('fall_back_to_erl0\)\(', fo):
 833                        buf += "void " + fabric_mod_name + "_reset_nexus(struct se_session *se_sess)\n"
 834                        buf += "{\n"
 835                        buf += "        return;\n"
 836                        buf += "}\n\n"
 837                        bufi += "void " + fabric_mod_name + "_reset_nexus(struct se_session *);\n"
 838
 839                if re.search('sess_logged_in\)\(', fo):
 840                        buf += "int " + fabric_mod_name + "_sess_logged_in(struct se_session *se_sess)\n"
 841                        buf += "{\n"
 842                        buf += "        return 0;\n"
 843                        buf += "}\n\n"
 844                        bufi += "int " + fabric_mod_name + "_sess_logged_in(struct se_session *);\n"
 845
 846                if re.search('sess_get_index\)\(', fo):
 847                        buf += "u32 " + fabric_mod_name + "_sess_get_index(struct se_session *se_sess)\n"
 848                        buf += "{\n"
 849                        buf += "        return 0;\n"
 850                        buf += "}\n\n"
 851                        bufi += "u32 " + fabric_mod_name + "_sess_get_index(struct se_session *);\n"
 852
 853                if re.search('write_pending\)\(', fo):
 854                        buf += "int " + fabric_mod_name + "_write_pending(struct se_cmd *se_cmd)\n"
 855                        buf += "{\n"
 856                        buf += "        return 0;\n"
 857                        buf += "}\n\n"
 858                        bufi += "int " + fabric_mod_name + "_write_pending(struct se_cmd *);\n"
 859
 860                if re.search('write_pending_status\)\(', fo):
 861                        buf += "int " + fabric_mod_name + "_write_pending_status(struct se_cmd *se_cmd)\n"
 862                        buf += "{\n"
 863                        buf += "        return 0;\n"
 864                        buf += "}\n\n"
 865                        bufi += "int " + fabric_mod_name + "_write_pending_status(struct se_cmd *);\n"
 866
 867                if re.search('set_default_node_attributes\)\(', fo):
 868                        buf += "void " + fabric_mod_name + "_set_default_node_attrs(struct se_node_acl *nacl)\n"
 869                        buf += "{\n"
 870                        buf += "        return;\n"
 871                        buf += "}\n\n"
 872                        bufi += "void " + fabric_mod_name + "_set_default_node_attrs(struct se_node_acl *);\n"
 873
 874                if re.search('get_task_tag\)\(', fo):
 875                        buf += "u32 " + fabric_mod_name + "_get_task_tag(struct se_cmd *se_cmd)\n"
 876                        buf += "{\n"
 877                        buf += "        return 0;\n"
 878                        buf += "}\n\n"
 879                        bufi += "u32 " + fabric_mod_name + "_get_task_tag(struct se_cmd *);\n"
 880
 881                if re.search('get_cmd_state\)\(', fo):
 882                        buf += "int " + fabric_mod_name + "_get_cmd_state(struct se_cmd *se_cmd)\n"
 883                        buf += "{\n"
 884                        buf += "        return 0;\n"
 885                        buf += "}\n\n"
 886                        bufi += "int " + fabric_mod_name + "_get_cmd_state(struct se_cmd *);\n"
 887
 888                if re.search('queue_data_in\)\(', fo):
 889                        buf += "int " + fabric_mod_name + "_queue_data_in(struct se_cmd *se_cmd)\n"
 890                        buf += "{\n"
 891                        buf += "        return 0;\n"
 892                        buf += "}\n\n"
 893                        bufi += "int " + fabric_mod_name + "_queue_data_in(struct se_cmd *);\n"
 894
 895                if re.search('queue_status\)\(', fo):
 896                        buf += "int " + fabric_mod_name + "_queue_status(struct se_cmd *se_cmd)\n"
 897                        buf += "{\n"
 898                        buf += "        return 0;\n"
 899                        buf += "}\n\n"
 900                        bufi += "int " + fabric_mod_name + "_queue_status(struct se_cmd *);\n"
 901
 902                if re.search('queue_tm_rsp\)\(', fo):
 903                        buf += "int " + fabric_mod_name + "_queue_tm_rsp(struct se_cmd *se_cmd)\n"
 904                        buf += "{\n"
 905                        buf += "        return 0;\n"
 906                        buf += "}\n\n"
 907                        bufi += "int " + fabric_mod_name + "_queue_tm_rsp(struct se_cmd *);\n"
 908
 909                if re.search('get_fabric_sense_len\)\(', fo):
 910                        buf += "u16 " + fabric_mod_name + "_get_fabric_sense_len(void)\n"
 911                        buf += "{\n"
 912                        buf += "        return 0;\n"
 913                        buf += "}\n\n"
 914                        bufi += "u16 " + fabric_mod_name + "_get_fabric_sense_len(void);\n"
 915
 916                if re.search('set_fabric_sense_len\)\(', fo):
 917                        buf += "u16 " + fabric_mod_name + "_set_fabric_sense_len(struct se_cmd *se_cmd, u32 sense_length)\n"
 918                        buf += "{\n"
 919                        buf += "        return 0;\n"
 920                        buf += "}\n\n"
 921                        bufi += "u16 " + fabric_mod_name + "_set_fabric_sense_len(struct se_cmd *, u32);\n"
 922
 923                if re.search('is_state_remove\)\(', fo):
 924                        buf += "int " + fabric_mod_name + "_is_state_remove(struct se_cmd *se_cmd)\n"
 925                        buf += "{\n"
 926                        buf += "        return 0;\n"
 927                        buf += "}\n\n"
 928                        bufi += "int " + fabric_mod_name + "_is_state_remove(struct se_cmd *);\n"
 929
 930
 931        ret = p.write(buf)
 932        if ret:
 933                tcm_mod_err("Unable to write f: " + f)
 934
 935        p.close()
 936
 937        ret = pi.write(bufi)
 938        if ret:
 939                tcm_mod_err("Unable to write fi: " + fi)
 940
 941        pi.close()
 942        return
 943
 944def tcm_mod_build_kbuild(fabric_mod_dir_var, fabric_mod_name):
 945
 946        buf = ""
 947        f = fabric_mod_dir_var + "/Makefile"
 948        print "Writing file: " + f
 949
 950        p = open(f, 'w')
 951        if not p:
 952                tcm_mod_err("Unable to open file: " + f)
 953
 954        buf += fabric_mod_name + "-objs                 := " + fabric_mod_name + "_fabric.o \\\n"
 955        buf += "                                           " + fabric_mod_name + "_configfs.o\n"
 956        buf += "obj-$(CONFIG_" + fabric_mod_name.upper() + ")           += " + fabric_mod_name + ".o\n"
 957
 958        ret = p.write(buf)
 959        if ret:
 960                tcm_mod_err("Unable to write f: " + f)
 961
 962        p.close()
 963        return
 964
 965def tcm_mod_build_kconfig(fabric_mod_dir_var, fabric_mod_name):
 966
 967        buf = ""
 968        f = fabric_mod_dir_var + "/Kconfig"
 969        print "Writing file: " + f
 970
 971        p = open(f, 'w')
 972        if not p:
 973                tcm_mod_err("Unable to open file: " + f)
 974
 975        buf = "config " + fabric_mod_name.upper() + "\n"
 976        buf += "        tristate \"" + fabric_mod_name.upper() + " fabric module\"\n"
 977        buf += "        depends on TARGET_CORE && CONFIGFS_FS\n"
 978        buf += "        default n\n"
 979        buf += "        ---help---\n"
 980        buf += "        Say Y here to enable the " + fabric_mod_name.upper() + " fabric module\n"
 981
 982        ret = p.write(buf)
 983        if ret:
 984                tcm_mod_err("Unable to write f: " + f)
 985
 986        p.close()
 987        return
 988
 989def tcm_mod_add_kbuild(tcm_dir, fabric_mod_name):
 990        buf = "obj-$(CONFIG_" + fabric_mod_name.upper() + ")    += " + fabric_mod_name.lower() + "/\n"
 991        kbuild = tcm_dir + "/drivers/target/Makefile"
 992
 993        f = open(kbuild, 'a')
 994        f.write(buf)
 995        f.close()
 996        return
 997
 998def tcm_mod_add_kconfig(tcm_dir, fabric_mod_name):
 999        buf = "source \"drivers/target/" + fabric_mod_name.lower() + "/Kconfig\"\n"
1000        kconfig = tcm_dir + "/drivers/target/Kconfig"
1001
1002        f = open(kconfig, 'a')
1003        f.write(buf)
1004        f.close()
1005        return
1006
1007def main(modname, proto_ident):
1008#       proto_ident = "FC"
1009#       proto_ident = "SAS"
1010#       proto_ident = "iSCSI"
1011
1012        tcm_dir = os.getcwd();
1013        tcm_dir += "/../../"
1014        print "tcm_dir: " + tcm_dir
1015        fabric_mod_name = modname
1016        fabric_mod_dir = tcm_dir + "drivers/target/" + fabric_mod_name
1017        print "Set fabric_mod_name: " + fabric_mod_name
1018        print "Set fabric_mod_dir: " + fabric_mod_dir
1019        print "Using proto_ident: " + proto_ident
1020
1021        if proto_ident != "FC" and proto_ident != "SAS" and proto_ident != "iSCSI":
1022                print "Unsupported proto_ident: " + proto_ident
1023                sys.exit(1)
1024
1025        ret = tcm_mod_create_module_subdir(fabric_mod_dir)
1026        if ret:
1027                print "tcm_mod_create_module_subdir() failed because module already exists!"
1028                sys.exit(1)
1029
1030        tcm_mod_build_base_includes(proto_ident, fabric_mod_dir, fabric_mod_name)
1031        tcm_mod_scan_fabric_ops(tcm_dir)
1032        tcm_mod_dump_fabric_ops(proto_ident, fabric_mod_dir, fabric_mod_name)
1033        tcm_mod_build_configfs(proto_ident, fabric_mod_dir, fabric_mod_name)
1034        tcm_mod_build_kbuild(fabric_mod_dir, fabric_mod_name)
1035        tcm_mod_build_kconfig(fabric_mod_dir, fabric_mod_name)
1036
1037        input = raw_input("Would you like to add " + fabric_mod_name + "to drivers/target/Makefile..? [yes,no]: ")
1038        if input == "yes" or input == "y":
1039                tcm_mod_add_kbuild(tcm_dir, fabric_mod_name)
1040
1041        input = raw_input("Would you like to add " + fabric_mod_name + "to drivers/target/Kconfig..? [yes,no]: ")
1042        if input == "yes" or input == "y":
1043                tcm_mod_add_kconfig(tcm_dir, fabric_mod_name)
1044
1045        return
1046
1047parser = optparse.OptionParser()
1048parser.add_option('-m', '--modulename', help='Module name', dest='modname',
1049                action='store', nargs=1, type='string')
1050parser.add_option('-p', '--protoident', help='Protocol Ident', dest='protoident',
1051                action='store', nargs=1, type='string')
1052
1053(opts, args) = parser.parse_args()
1054
1055mandatories = ['modname', 'protoident']
1056for m in mandatories:
1057        if not opts.__dict__[m]:
1058                print "mandatory option is missing\n"
1059                parser.print_help()
1060                exit(-1)
1061
1062if __name__ == "__main__":
1063
1064        main(str(opts.modname), opts.protoident)
1065
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