kernel/Documentation/target/tcm_mod_builder.py

   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 #
   9 import os, sys
  10 import subprocess as sub
  11 import string
  12 import re
  13 import optparse
  14
  15 tcm_dir = ""
  16
  17 fabric_ops = []
  18 fabric_mod_dir = ""
  19 fabric_mod_port = ""
  20 fabric_mod_init_port = ""
  21
  22 def tcm_mod_err(msg):
  23         print msg
  24         sys.exit(1)
  25
  26 def 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
  38 def 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
  93 def 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
 146 def 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
 195 def 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
 209 def 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 += "static const struct target_core_fabric_ops " + fabric_mod_name + "_ops;\n\n"
 241
 242         buf += "static struct se_node_acl *" + fabric_mod_name + "_make_nodeacl(\n"
 243         buf += "        struct se_portal_group *se_tpg,\n"
 244         buf += "        struct config_group *group,\n"
 245         buf += "        const char *name)\n"
 246         buf += "{\n"
 247         buf += "        struct se_node_acl *se_nacl, *se_nacl_new;\n"
 248         buf += "        struct " + fabric_mod_name + "_nacl *nacl;\n"
 249
 250         if proto_ident == "FC" or proto_ident == "SAS":
 251                 buf += "        u64 wwpn = 0;\n"
 252
 253         buf += "        u32 nexus_depth;\n\n"
 254         buf += "        /* " + fabric_mod_name + "_parse_wwn(name, &wwpn, 1) < 0)\n"
 255         buf += "                return ERR_PTR(-EINVAL); */\n"
 256         buf += "        se_nacl_new = " + fabric_mod_name + "_alloc_fabric_acl(se_tpg);\n"
 257         buf += "        if (!se_nacl_new)\n"
 258         buf += "                return ERR_PTR(-ENOMEM);\n"
 259         buf += "//#warning FIXME: Hardcoded nexus depth in " + fabric_mod_name + "_make_nodeacl()\n"
 260         buf += "        nexus_depth = 1;\n"
 261         buf += "        /*\n"
 262         buf += "         * se_nacl_new may be released by core_tpg_add_initiator_node_acl()\n"
 263         buf += "         * when converting a NodeACL from demo mode -> explict\n"
 264         buf += "         */\n"
 265         buf += "        se_nacl = core_tpg_add_initiator_node_acl(se_tpg, se_nacl_new,\n"
 266         buf += "                                name, nexus_depth);\n"
 267         buf += "        if (IS_ERR(se_nacl)) {\n"
 268         buf += "                " + fabric_mod_name + "_release_fabric_acl(se_tpg, se_nacl_new);\n"
 269         buf += "                return se_nacl;\n"
 270         buf += "        }\n"
 271         buf += "        /*\n"
 272         buf += "         * Locate our struct " + fabric_mod_name + "_nacl and set the FC Nport WWPN\n"
 273         buf += "         */\n"
 274         buf += "        nacl = container_of(se_nacl, struct " + fabric_mod_name + "_nacl, se_node_acl);\n"
 275
 276         if proto_ident == "FC" or proto_ident == "SAS":
 277                 buf += "        nacl->" + fabric_mod_init_port + "_wwpn = wwpn;\n"
 278
 279         buf += "        /* " + fabric_mod_name + "_format_wwn(&nacl->" + fabric_mod_init_port + "_name[0], " + fabric_mod_name.upper() + "_NAMELEN, wwpn); */\n\n"
 280         buf += "        return se_nacl;\n"
 281         buf += "}\n\n"
 282         buf += "static void " + fabric_mod_name + "_drop_nodeacl(struct se_node_acl *se_acl)\n"
 283         buf += "{\n"
 284         buf += "        struct " + fabric_mod_name + "_nacl *nacl = container_of(se_acl,\n"
 285         buf += "                                struct " + fabric_mod_name + "_nacl, se_node_acl);\n"
 286         buf += "        core_tpg_del_initiator_node_acl(se_acl->se_tpg, se_acl, 1);\n"
 287         buf += "        kfree(nacl);\n"
 288         buf += "}\n\n"
 289
 290         buf += "static struct se_portal_group *" + fabric_mod_name + "_make_tpg(\n"
 291         buf += "        struct se_wwn *wwn,\n"
 292         buf += "        struct config_group *group,\n"
 293         buf += "        const char *name)\n"
 294         buf += "{\n"
 295         buf += "        struct " + fabric_mod_name + "_" + fabric_mod_port + "*" + fabric_mod_port + " = container_of(wwn,\n"
 296         buf += "                        struct " + fabric_mod_name + "_" + fabric_mod_port + ", " + fabric_mod_port + "_wwn);\n\n"
 297         buf += "        struct " + fabric_mod_name + "_tpg *tpg;\n"
 298         buf += "        unsigned long tpgt;\n"
 299         buf += "        int ret;\n\n"
 300         buf += "        if (strstr(name, \"tpgt_\") != name)\n"
 301         buf += "                return ERR_PTR(-EINVAL);\n"
 302         buf += "        if (kstrtoul(name + 5, 10, &tpgt) || tpgt > UINT_MAX)\n"
 303         buf += "                return ERR_PTR(-EINVAL);\n\n"
 304         buf += "        tpg = kzalloc(sizeof(struct " + fabric_mod_name + "_tpg), GFP_KERNEL);\n"
 305         buf += "        if (!tpg) {\n"
 306         buf += "                printk(KERN_ERR \"Unable to allocate struct " + fabric_mod_name + "_tpg\");\n"
 307         buf += "                return ERR_PTR(-ENOMEM);\n"
 308         buf += "        }\n"
 309         buf += "        tpg->" + fabric_mod_port + " = " + fabric_mod_port + ";\n"
 310         buf += "        tpg->" + fabric_mod_port + "_tpgt = tpgt;\n\n"
 311         buf += "        ret = core_tpg_register(&" + fabric_mod_name + "_ops, wwn,\n"
 312         buf += "                                &tpg->se_tpg, tpg,\n"
 313         buf += "                                TRANSPORT_TPG_TYPE_NORMAL);\n"
 314         buf += "        if (ret < 0) {\n"
 315         buf += "                kfree(tpg);\n"
 316         buf += "                return NULL;\n"
 317         buf += "        }\n"
 318         buf += "        return &tpg->se_tpg;\n"
 319         buf += "}\n\n"
 320         buf += "static void " + fabric_mod_name + "_drop_tpg(struct se_portal_group *se_tpg)\n"
 321         buf += "{\n"
 322         buf += "        struct " + fabric_mod_name + "_tpg *tpg = container_of(se_tpg,\n"
 323         buf += "                                struct " + fabric_mod_name + "_tpg, se_tpg);\n\n"
 324         buf += "        core_tpg_deregister(se_tpg);\n"
 325         buf += "        kfree(tpg);\n"
 326         buf += "}\n\n"
 327
 328         buf += "static struct se_wwn *" + fabric_mod_name + "_make_" + fabric_mod_port + "(\n"
 329         buf += "        struct target_fabric_configfs *tf,\n"
 330         buf += "        struct config_group *group,\n"
 331         buf += "        const char *name)\n"
 332         buf += "{\n"
 333         buf += "        struct " + fabric_mod_name + "_" + fabric_mod_port + " *" + fabric_mod_port + ";\n"
 334
 335         if proto_ident == "FC" or proto_ident == "SAS":
 336                 buf += "        u64 wwpn = 0;\n\n"
 337
 338         buf += "        /* if (" + fabric_mod_name + "_parse_wwn(name, &wwpn, 1) < 0)\n"
 339         buf += "                return ERR_PTR(-EINVAL); */\n\n"
 340         buf += "        " + fabric_mod_port + " = kzalloc(sizeof(struct " + fabric_mod_name + "_" + fabric_mod_port + "), GFP_KERNEL);\n"
 341         buf += "        if (!" + fabric_mod_port + ") {\n"
 342         buf += "                printk(KERN_ERR \"Unable to allocate struct " + fabric_mod_name + "_" + fabric_mod_port + "\");\n"
 343         buf += "                return ERR_PTR(-ENOMEM);\n"
 344         buf += "        }\n"
 345
 346         if proto_ident == "FC" or proto_ident == "SAS":
 347                 buf += "        " + fabric_mod_port + "->" + fabric_mod_port + "_wwpn = wwpn;\n"
 348
 349         buf += "        /* " + fabric_mod_name + "_format_wwn(&" + fabric_mod_port + "->" + fabric_mod_port + "_name[0], " + fabric_mod_name.upper() + "_NAMELEN, wwpn); */\n\n"
 350         buf += "        return &" + fabric_mod_port + "->" + fabric_mod_port + "_wwn;\n"
 351         buf += "}\n\n"
 352         buf += "static void " + fabric_mod_name + "_drop_" + fabric_mod_port + "(struct se_wwn *wwn)\n"
 353         buf += "{\n"
 354         buf += "        struct " + fabric_mod_name + "_" + fabric_mod_port + " *" + fabric_mod_port + " = container_of(wwn,\n"
 355         buf += "                                struct " + fabric_mod_name + "_" + fabric_mod_port + ", " + fabric_mod_port + "_wwn);\n"
 356         buf += "        kfree(" + fabric_mod_port + ");\n"
 357         buf += "}\n\n"
 358         buf += "static ssize_t " + fabric_mod_name + "_wwn_show_attr_version(\n"
 359         buf += "        struct target_fabric_configfs *tf,\n"
 360         buf += "        char *page)\n"
 361         buf += "{\n"
 362         buf += "        return sprintf(page, \"" + fabric_mod_name.upper() + " fabric module %s on %s/%s\"\n"
 363         buf += "                \"on \"UTS_RELEASE\"\\n\", " + fabric_mod_name.upper() + "_VERSION, utsname()->sysname,\n"
 364         buf += "                utsname()->machine);\n"
 365         buf += "}\n\n"
 366         buf += "TF_WWN_ATTR_RO(" + fabric_mod_name + ", version);\n\n"
 367         buf += "static struct configfs_attribute *" + fabric_mod_name + "_wwn_attrs[] = {\n"
 368         buf += "        &" + fabric_mod_name + "_wwn_version.attr,\n"
 369         buf += "        NULL,\n"
 370         buf += "};\n\n"
 371
 372         buf += "static const struct target_core_fabric_ops " + fabric_mod_name + "_ops = {\n"
 373         buf += "        .module                         = THIS_MODULE,\n"
 374         buf += "        .name                           = " + fabric_mod_name + ",\n"
 375         buf += "        .get_fabric_proto_ident         = " + fabric_mod_name + "_get_fabric_proto_ident,\n"
 376         buf += "        .get_fabric_name                = " + fabric_mod_name + "_get_fabric_name,\n"
 377         buf += "        .get_fabric_proto_ident         = " + fabric_mod_name + "_get_fabric_proto_ident,\n"
 378         buf += "        .tpg_get_wwn                    = " + fabric_mod_name + "_get_fabric_wwn,\n"
 379         buf += "        .tpg_get_tag                    = " + fabric_mod_name + "_get_tag,\n"
 380         buf += "        .tpg_get_default_depth          = " + fabric_mod_name + "_get_default_depth,\n"
 381         buf += "        .tpg_get_pr_transport_id        = " + fabric_mod_name + "_get_pr_transport_id,\n"
 382         buf += "        .tpg_get_pr_transport_id_len    = " + fabric_mod_name + "_get_pr_transport_id_len,\n"
 383         buf += "        .tpg_parse_pr_out_transport_id  = " + fabric_mod_name + "_parse_pr_out_transport_id,\n"
 384         buf += "        .tpg_check_demo_mode            = " + fabric_mod_name + "_check_false,\n"
 385         buf += "        .tpg_check_demo_mode_cache      = " + fabric_mod_name + "_check_true,\n"
 386         buf += "        .tpg_check_demo_mode_write_protect = " + fabric_mod_name + "_check_true,\n"
 387         buf += "        .tpg_check_prod_mode_write_protect = " + fabric_mod_name + "_check_false,\n"
 388         buf += "        .tpg_alloc_fabric_acl           = " + fabric_mod_name + "_alloc_fabric_acl,\n"
 389         buf += "        .tpg_release_fabric_acl         = " + fabric_mod_name + "_release_fabric_acl,\n"
 390         buf += "        .tpg_get_inst_index             = " + fabric_mod_name + "_tpg_get_inst_index,\n"
 391         buf += "        .release_cmd                    = " + fabric_mod_name + "_release_cmd,\n"
 392         buf += "        .shutdown_session               = " + fabric_mod_name + "_shutdown_session,\n"
 393         buf += "        .close_session                  = " + fabric_mod_name + "_close_session,\n"
 394         buf += "        .sess_get_index                 = " + fabric_mod_name + "_sess_get_index,\n"
 395         buf += "        .sess_get_initiator_sid         = NULL,\n"
 396         buf += "        .write_pending                  = " + fabric_mod_name + "_write_pending,\n"
 397         buf += "        .write_pending_status           = " + fabric_mod_name + "_write_pending_status,\n"
 398         buf += "        .set_default_node_attributes    = " + fabric_mod_name + "_set_default_node_attrs,\n"
 399         buf += "        .get_task_tag                   = " + fabric_mod_name + "_get_task_tag,\n"
 400         buf += "        .get_cmd_state                  = " + fabric_mod_name + "_get_cmd_state,\n"
 401         buf += "        .queue_data_in                  = " + fabric_mod_name + "_queue_data_in,\n"
 402         buf += "        .queue_status                   = " + fabric_mod_name + "_queue_status,\n"
 403         buf += "        .queue_tm_rsp                   = " + fabric_mod_name + "_queue_tm_rsp,\n"
 404         buf += "        .aborted_task                   = " + fabric_mod_name + "_aborted_task,\n"
 405         buf += "        /*\n"
 406         buf += "         * Setup function pointers for generic logic in target_core_fabric_configfs.c\n"
 407         buf += "         */\n"
 408         buf += "        .fabric_make_wwn                = " + fabric_mod_name + "_make_" + fabric_mod_port + ",\n"
 409         buf += "        .fabric_drop_wwn                = " + fabric_mod_name + "_drop_" + fabric_mod_port + ",\n"
 410         buf += "        .fabric_make_tpg                = " + fabric_mod_name + "_make_tpg,\n"
 411         buf += "        .fabric_drop_tpg                = " + fabric_mod_name + "_drop_tpg,\n"
 412         buf += "        .fabric_post_link               = NULL,\n"
 413         buf += "        .fabric_pre_unlink              = NULL,\n"
 414         buf += "        .fabric_make_np                 = NULL,\n"
 415         buf += "        .fabric_drop_np                 = NULL,\n"
 416         buf += "        .fabric_make_nodeacl            = " + fabric_mod_name + "_make_nodeacl,\n"
 417         buf += "        .fabric_drop_nodeacl            = " + fabric_mod_name + "_drop_nodeacl,\n"
 418         buf += "\n"
 419         buf += "        .tfc_wwn_attrs                  = " + fabric_mod_name + "_wwn_attrs;\n"
 420         buf += "};\n\n"
 421
 422         buf += "static int __init " + fabric_mod_name + "_init(void)\n"
 423         buf += "{\n"
 424         buf += "        return target_register_template(" + fabric_mod_name + "_ops);\n"
 425         buf += "};\n\n"
 426
 427         buf += "static void __exit " + fabric_mod_name + "_exit(void)\n"
 428         buf += "{\n"
 429         buf += "        target_unregister_template(" + fabric_mod_name + "_ops);\n"
 430         buf += "};\n\n"
 431
 432         buf += "MODULE_DESCRIPTION(\"" + fabric_mod_name.upper() + " series fabric driver\");\n"
 433         buf += "MODULE_LICENSE(\"GPL\");\n"
 434         buf += "module_init(" + fabric_mod_name + "_init);\n"
 435         buf += "module_exit(" + fabric_mod_name + "_exit);\n"
 436
 437         ret = p.write(buf)
 438         if ret:
 439                 tcm_mod_err("Unable to write f: " + f)
 440
 441         p.close()
 442
 443         return
 444
 445 def tcm_mod_scan_fabric_ops(tcm_dir):
 446
 447         fabric_ops_api = tcm_dir + "include/target/target_core_fabric.h"
 448
 449         print "Using tcm_mod_scan_fabric_ops: " + fabric_ops_api
 450         process_fo = 0;
 451
 452         p = open(fabric_ops_api, 'r')
 453
 454         line = p.readline()
 455         while line:
 456                 if process_fo == 0 and re.search('struct target_core_fabric_ops {', line):
 457                         line = p.readline()
 458                         continue
 459
 460                 if process_fo == 0:
 461                         process_fo = 1;
 462                         line = p.readline()
 463                         # Search for function pointer
 464                         if not re.search('\(\*', line):
 465                                 continue
 466
 467                         fabric_ops.append(line.rstrip())
 468                         continue
 469
 470                 line = p.readline()
 471                 # Search for function pointer
 472                 if not re.search('\(\*', line):
 473                         continue
 474
 475                 fabric_ops.append(line.rstrip())
 476
 477         p.close()
 478         return
 479
 480 def tcm_mod_dump_fabric_ops(proto_ident, fabric_mod_dir_var, fabric_mod_name):
 481         buf = ""
 482         bufi = ""
 483
 484         f = fabric_mod_dir_var + "/" + fabric_mod_name + "_fabric.c"
 485         print "Writing file: " + f
 486
 487         p = open(f, 'w')
 488         if not p:
 489                 tcm_mod_err("Unable to open file: " + f)
 490
 491         fi = fabric_mod_dir_var + "/" + fabric_mod_name + "_fabric.h"
 492         print "Writing file: " + fi
 493
 494         pi = open(fi, 'w')
 495         if not pi:
 496                 tcm_mod_err("Unable to open file: " + fi)
 497
 498         buf = "#include <linux/slab.h>\n"
 499         buf += "#include <linux/kthread.h>\n"
 500         buf += "#include <linux/types.h>\n"
 501         buf += "#include <linux/list.h>\n"
 502         buf += "#include <linux/types.h>\n"
 503         buf += "#include <linux/string.h>\n"
 504         buf += "#include <linux/ctype.h>\n"
 505         buf += "#include <asm/unaligned.h>\n"
 506         buf += "#include <scsi/scsi.h>\n"
 507         buf += "#include <scsi/scsi_host.h>\n"
 508         buf += "#include <scsi/scsi_device.h>\n"
 509         buf += "#include <scsi/scsi_cmnd.h>\n"
 510         buf += "#include <scsi/libfc.h>\n\n"
 511         buf += "#include <target/target_core_base.h>\n"
 512         buf += "#include <target/target_core_fabric.h>\n"
 513         buf += "#include <target/target_core_configfs.h>\n\n"
 514         buf += "#include \"" + fabric_mod_name + "_base.h\"\n"
 515         buf += "#include \"" + fabric_mod_name + "_fabric.h\"\n\n"
 516
 517         buf += "int " + fabric_mod_name + "_check_true(struct se_portal_group *se_tpg)\n"
 518         buf += "{\n"
 519         buf += "        return 1;\n"
 520         buf += "}\n\n"
 521         bufi += "int " + fabric_mod_name + "_check_true(struct se_portal_group *);\n"
 522
 523         buf += "int " + fabric_mod_name + "_check_false(struct se_portal_group *se_tpg)\n"
 524         buf += "{\n"
 525         buf += "        return 0;\n"
 526         buf += "}\n\n"
 527         bufi += "int " + fabric_mod_name + "_check_false(struct se_portal_group *);\n"
 528
 529         total_fabric_ops = len(fabric_ops)
 530         i = 0
 531
 532         while i < total_fabric_ops:
 533                 fo = fabric_ops[i]
 534                 i += 1
 535 #               print "fabric_ops: " + fo
 536
 537                 if re.search('get_fabric_name', fo):
 538                         buf += "char *" + fabric_mod_name + "_get_fabric_name(void)\n"
 539                         buf += "{\n"
 540                         buf += "        return \"" + fabric_mod_name + "\";\n"
 541                         buf += "}\n\n"
 542                         bufi += "char *" + fabric_mod_name + "_get_fabric_name(void);\n"
 543                         continue
 544
 545                 if re.search('get_fabric_proto_ident', fo):
 546                         buf += "u8 " + fabric_mod_name + "_get_fabric_proto_ident(struct se_portal_group *se_tpg)\n"
 547                         buf += "{\n"
 548                         buf += "        struct " + fabric_mod_name + "_tpg *tpg = container_of(se_tpg,\n"
 549                         buf += "                                struct " + fabric_mod_name + "_tpg, se_tpg);\n"
 550                         buf += "        struct " + fabric_mod_name + "_" + fabric_mod_port + " *" + fabric_mod_port + " = tpg->" + fabric_mod_port + ";\n"
 551                         buf += "        u8 proto_id;\n\n"
 552                         buf += "        switch (" + fabric_mod_port + "->" + fabric_mod_port + "_proto_id) {\n"
 553                         if proto_ident == "FC":
 554                                 buf += "        case SCSI_PROTOCOL_FCP:\n"
 555                                 buf += "        default:\n"
 556                                 buf += "                proto_id = fc_get_fabric_proto_ident(se_tpg);\n"
 557                                 buf += "                break;\n"
 558                         elif proto_ident == "SAS":
 559                                 buf += "        case SCSI_PROTOCOL_SAS:\n"
 560                                 buf += "        default:\n"
 561                                 buf += "                proto_id = sas_get_fabric_proto_ident(se_tpg);\n"
 562                                 buf += "                break;\n"
 563                         elif proto_ident == "iSCSI":
 564                                 buf += "        case SCSI_PROTOCOL_ISCSI:\n"
 565                                 buf += "        default:\n"
 566                                 buf += "                proto_id = iscsi_get_fabric_proto_ident(se_tpg);\n"
 567                                 buf += "                break;\n"
 568
 569                         buf += "        }\n\n"
 570                         buf += "        return proto_id;\n"
 571                         buf += "}\n\n"
 572                         bufi += "u8 " + fabric_mod_name + "_get_fabric_proto_ident(struct se_portal_group *);\n"
 573
 574                 if re.search('get_wwn', fo):
 575                         buf += "char *" + fabric_mod_name + "_get_fabric_wwn(struct se_portal_group *se_tpg)\n"
 576                         buf += "{\n"
 577                         buf += "        struct " + fabric_mod_name + "_tpg *tpg = container_of(se_tpg,\n"
 578                         buf += "                                struct " + fabric_mod_name + "_tpg, se_tpg);\n"
 579                         buf += "        struct " + fabric_mod_name + "_" + fabric_mod_port + " *" + fabric_mod_port + " = tpg->" + fabric_mod_port + ";\n\n"
 580                         buf += "        return &" + fabric_mod_port + "->" + fabric_mod_port + "_name[0];\n"
 581                         buf += "}\n\n"
 582                         bufi += "char *" + fabric_mod_name + "_get_fabric_wwn(struct se_portal_group *);\n"
 583
 584                 if re.search('get_tag', fo):
 585                         buf += "u16 " + fabric_mod_name + "_get_tag(struct se_portal_group *se_tpg)\n"
 586                         buf += "{\n"
 587                         buf += "        struct " + fabric_mod_name + "_tpg *tpg = container_of(se_tpg,\n"
 588                         buf += "                                struct " + fabric_mod_name + "_tpg, se_tpg);\n"
 589                         buf += "        return tpg->" + fabric_mod_port + "_tpgt;\n"
 590                         buf += "}\n\n"
 591                         bufi += "u16 " + fabric_mod_name + "_get_tag(struct se_portal_group *);\n"
 592
 593                 if re.search('get_default_depth', fo):
 594                         buf += "u32 " + fabric_mod_name + "_get_default_depth(struct se_portal_group *se_tpg)\n"
 595                         buf += "{\n"
 596                         buf += "        return 1;\n"
 597                         buf += "}\n\n"
 598                         bufi += "u32 " + fabric_mod_name + "_get_default_depth(struct se_portal_group *);\n"
 599
 600                 if re.search('get_pr_transport_id\)\(', fo):
 601                         buf += "u32 " + fabric_mod_name + "_get_pr_transport_id(\n"
 602                         buf += "        struct se_portal_group *se_tpg,\n"
 603                         buf += "        struct se_node_acl *se_nacl,\n"
 604                         buf += "        struct t10_pr_registration *pr_reg,\n"
 605                         buf += "        int *format_code,\n"
 606                         buf += "        unsigned char *buf)\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 += "        int ret = 0;\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 += "                ret = fc_get_pr_transport_id(se_tpg, se_nacl, pr_reg,\n"
 617                                 buf += "                                        format_code, buf);\n"
 618                                 buf += "                break;\n"
 619                         elif proto_ident == "SAS":
 620                                 buf += "        case SCSI_PROTOCOL_SAS:\n"
 621                                 buf += "        default:\n"
 622                                 buf += "                ret = sas_get_pr_transport_id(se_tpg, se_nacl, pr_reg,\n"
 623                                 buf += "                                        format_code, buf);\n"
 624                                 buf += "                break;\n"
 625                         elif proto_ident == "iSCSI":
 626                                 buf += "        case SCSI_PROTOCOL_ISCSI:\n"
 627                                 buf += "        default:\n"
 628                                 buf += "                ret = iscsi_get_pr_transport_id(se_tpg, se_nacl, pr_reg,\n"
 629                                 buf += "                                        format_code, buf);\n"
 630                                 buf += "                break;\n"
 631
 632                         buf += "        }\n\n"
 633                         buf += "        return ret;\n"
 634                         buf += "}\n\n"
 635                         bufi += "u32 " + fabric_mod_name + "_get_pr_transport_id(struct se_portal_group *,\n"
 636                         bufi += "                       struct se_node_acl *, struct t10_pr_registration *,\n"
 637                         bufi += "                       int *, unsigned char *);\n"
 638
 639                 if re.search('get_pr_transport_id_len\)\(', fo):
 640                         buf += "u32 " + fabric_mod_name + "_get_pr_transport_id_len(\n"
 641                         buf += "        struct se_portal_group *se_tpg,\n"
 642                         buf += "        struct se_node_acl *se_nacl,\n"
 643                         buf += "        struct t10_pr_registration *pr_reg,\n"
 644                         buf += "        int *format_code)\n"
 645                         buf += "{\n"
 646                         buf += "        struct " + fabric_mod_name + "_tpg *tpg = container_of(se_tpg,\n"
 647                         buf += "                                struct " + fabric_mod_name + "_tpg, se_tpg);\n"
 648                         buf += "        struct " + fabric_mod_name + "_" + fabric_mod_port + " *" + fabric_mod_port + " = tpg->" + fabric_mod_port + ";\n"
 649                         buf += "        int ret = 0;\n\n"
 650                         buf += "        switch (" + fabric_mod_port + "->" + fabric_mod_port + "_proto_id) {\n"
 651                         if proto_ident == "FC":
 652                                 buf += "        case SCSI_PROTOCOL_FCP:\n"
 653                                 buf += "        default:\n"
 654                                 buf += "                ret = fc_get_pr_transport_id_len(se_tpg, se_nacl, pr_reg,\n"
 655                                 buf += "                                        format_code);\n"
 656                                 buf += "                break;\n"
 657                         elif proto_ident == "SAS":
 658                                 buf += "        case SCSI_PROTOCOL_SAS:\n"
 659                                 buf += "        default:\n"
 660                                 buf += "                ret = sas_get_pr_transport_id_len(se_tpg, se_nacl, pr_reg,\n"
 661                                 buf += "                                        format_code);\n"
 662                                 buf += "                break;\n"
 663                         elif proto_ident == "iSCSI":
 664                                 buf += "        case SCSI_PROTOCOL_ISCSI:\n"
 665                                 buf += "        default:\n"
 666                                 buf += "                ret = iscsi_get_pr_transport_id_len(se_tpg, se_nacl, pr_reg,\n"
 667                                 buf += "                                        format_code);\n"
 668                                 buf += "                break;\n"
 669
 670
 671                         buf += "        }\n\n"
 672                         buf += "        return ret;\n"
 673                         buf += "}\n\n"
 674                         bufi += "u32 " + fabric_mod_name + "_get_pr_transport_id_len(struct se_portal_group *,\n"
 675                         bufi += "                       struct se_node_acl *, struct t10_pr_registration *,\n"
 676                         bufi += "                       int *);\n"
 677
 678                 if re.search('parse_pr_out_transport_id\)\(', fo):
 679                         buf += "char *" + fabric_mod_name + "_parse_pr_out_transport_id(\n"
 680                         buf += "        struct se_portal_group *se_tpg,\n"
 681                         buf += "        const char *buf,\n"
 682                         buf += "        u32 *out_tid_len,\n"
 683                         buf += "        char **port_nexus_ptr)\n"
 684                         buf += "{\n"
 685                         buf += "        struct " + fabric_mod_name + "_tpg *tpg = container_of(se_tpg,\n"
 686                         buf += "                                struct " + fabric_mod_name + "_tpg, se_tpg);\n"
 687                         buf += "        struct " + fabric_mod_name + "_" + fabric_mod_port + " *" + fabric_mod_port + " = tpg->" + fabric_mod_port + ";\n"
 688                         buf += "        char *tid = NULL;\n\n"
 689                         buf += "        switch (" + fabric_mod_port + "->" + fabric_mod_port + "_proto_id) {\n"
 690                         if proto_ident == "FC":
 691                                 buf += "        case SCSI_PROTOCOL_FCP:\n"
 692                                 buf += "        default:\n"
 693                                 buf += "                tid = fc_parse_pr_out_transport_id(se_tpg, buf, out_tid_len,\n"
 694                                 buf += "                                        port_nexus_ptr);\n"
 695                         elif proto_ident == "SAS":
 696                                 buf += "        case SCSI_PROTOCOL_SAS:\n"
 697                                 buf += "        default:\n"
 698                                 buf += "                tid = sas_parse_pr_out_transport_id(se_tpg, buf, out_tid_len,\n"
 699                                 buf += "                                        port_nexus_ptr);\n"
 700                         elif proto_ident == "iSCSI":
 701                                 buf += "        case SCSI_PROTOCOL_ISCSI:\n"
 702                                 buf += "        default:\n"
 703                                 buf += "                tid = iscsi_parse_pr_out_transport_id(se_tpg, buf, out_tid_len,\n"
 704                                 buf += "                                        port_nexus_ptr);\n"
 705
 706                         buf += "        }\n\n"
 707                         buf += "        return tid;\n"
 708                         buf += "}\n\n"
 709                         bufi += "char *" + fabric_mod_name + "_parse_pr_out_transport_id(struct se_portal_group *,\n"
 710                         bufi += "                       const char *, u32 *, char **);\n"
 711
 712                 if re.search('alloc_fabric_acl\)\(', fo):
 713                         buf += "struct se_node_acl *" + fabric_mod_name + "_alloc_fabric_acl(struct se_portal_group *se_tpg)\n"
 714                         buf += "{\n"
 715                         buf += "        struct " + fabric_mod_name + "_nacl *nacl;\n\n"
 716                         buf += "        nacl = kzalloc(sizeof(struct " + fabric_mod_name + "_nacl), GFP_KERNEL);\n"
 717                         buf += "        if (!nacl) {\n"
 718                         buf += "                printk(KERN_ERR \"Unable to allocate struct " + fabric_mod_name + "_nacl\\n\");\n"
 719                         buf += "                return NULL;\n"
 720                         buf += "        }\n\n"
 721                         buf += "        return &nacl->se_node_acl;\n"
 722                         buf += "}\n\n"
 723                         bufi += "struct se_node_acl *" + fabric_mod_name + "_alloc_fabric_acl(struct se_portal_group *);\n"
 724
 725                 if re.search('release_fabric_acl\)\(', fo):
 726                         buf += "void " + fabric_mod_name + "_release_fabric_acl(\n"
 727                         buf += "        struct se_portal_group *se_tpg,\n"
 728                         buf += "        struct se_node_acl *se_nacl)\n"
 729                         buf += "{\n"
 730                         buf += "        struct " + fabric_mod_name + "_nacl *nacl = container_of(se_nacl,\n"
 731                         buf += "                        struct " + fabric_mod_name + "_nacl, se_node_acl);\n"
 732                         buf += "        kfree(nacl);\n"
 733                         buf += "}\n\n"
 734                         bufi += "void " + fabric_mod_name + "_release_fabric_acl(struct se_portal_group *,\n"
 735                         bufi += "                       struct se_node_acl *);\n"
 736
 737                 if re.search('tpg_get_inst_index\)\(', fo):
 738                         buf += "u32 " + fabric_mod_name + "_tpg_get_inst_index(struct se_portal_group *se_tpg)\n"
 739                         buf += "{\n"
 740                         buf += "        return 1;\n"
 741                         buf += "}\n\n"
 742                         bufi += "u32 " + fabric_mod_name + "_tpg_get_inst_index(struct se_portal_group *);\n"
 743
 744                 if re.search('\*release_cmd\)\(', fo):
 745                         buf += "void " + fabric_mod_name + "_release_cmd(struct se_cmd *se_cmd)\n"
 746                         buf += "{\n"
 747                         buf += "        return;\n"
 748                         buf += "}\n\n"
 749                         bufi += "void " + fabric_mod_name + "_release_cmd(struct se_cmd *);\n"
 750
 751                 if re.search('shutdown_session\)\(', fo):
 752                         buf += "int " + fabric_mod_name + "_shutdown_session(struct se_session *se_sess)\n"
 753                         buf += "{\n"
 754                         buf += "        return 0;\n"
 755                         buf += "}\n\n"
 756                         bufi += "int " + fabric_mod_name + "_shutdown_session(struct se_session *);\n"
 757
 758                 if re.search('close_session\)\(', fo):
 759                         buf += "void " + fabric_mod_name + "_close_session(struct se_session *se_sess)\n"
 760                         buf += "{\n"
 761                         buf += "        return;\n"
 762                         buf += "}\n\n"
 763                         bufi += "void " + fabric_mod_name + "_close_session(struct se_session *);\n"
 764
 765                 if re.search('sess_get_index\)\(', fo):
 766                         buf += "u32 " + fabric_mod_name + "_sess_get_index(struct se_session *se_sess)\n"
 767                         buf += "{\n"
 768                         buf += "        return 0;\n"
 769                         buf += "}\n\n"
 770                         bufi += "u32 " + fabric_mod_name + "_sess_get_index(struct se_session *);\n"
 771
 772                 if re.search('write_pending\)\(', fo):
 773                         buf += "int " + fabric_mod_name + "_write_pending(struct se_cmd *se_cmd)\n"
 774                         buf += "{\n"
 775                         buf += "        return 0;\n"
 776                         buf += "}\n\n"
 777                         bufi += "int " + fabric_mod_name + "_write_pending(struct se_cmd *);\n"
 778
 779                 if re.search('write_pending_status\)\(', fo):
 780                         buf += "int " + fabric_mod_name + "_write_pending_status(struct se_cmd *se_cmd)\n"
 781                         buf += "{\n"
 782                         buf += "        return 0;\n"
 783                         buf += "}\n\n"
 784                         bufi += "int " + fabric_mod_name + "_write_pending_status(struct se_cmd *);\n"
 785
 786                 if re.search('set_default_node_attributes\)\(', fo):
 787                         buf += "void " + fabric_mod_name + "_set_default_node_attrs(struct se_node_acl *nacl)\n"
 788                         buf += "{\n"
 789                         buf += "        return;\n"
 790                         buf += "}\n\n"
 791                         bufi += "void " + fabric_mod_name + "_set_default_node_attrs(struct se_node_acl *);\n"
 792
 793                 if re.search('get_task_tag\)\(', fo):
 794                         buf += "u32 " + fabric_mod_name + "_get_task_tag(struct se_cmd *se_cmd)\n"
 795                         buf += "{\n"
 796                         buf += "        return 0;\n"
 797                         buf += "}\n\n"
 798                         bufi += "u32 " + fabric_mod_name + "_get_task_tag(struct se_cmd *);\n"
 799
 800                 if re.search('get_cmd_state\)\(', fo):
 801                         buf += "int " + fabric_mod_name + "_get_cmd_state(struct se_cmd *se_cmd)\n"
 802                         buf += "{\n"
 803                         buf += "        return 0;\n"
 804                         buf += "}\n\n"
 805                         bufi += "int " + fabric_mod_name + "_get_cmd_state(struct se_cmd *);\n"
 806
 807                 if re.search('queue_data_in\)\(', fo):
 808                         buf += "int " + fabric_mod_name + "_queue_data_in(struct se_cmd *se_cmd)\n"
 809                         buf += "{\n"
 810                         buf += "        return 0;\n"
 811                         buf += "}\n\n"
 812                         bufi += "int " + fabric_mod_name + "_queue_data_in(struct se_cmd *);\n"
 813
 814                 if re.search('queue_status\)\(', fo):
 815                         buf += "int " + fabric_mod_name + "_queue_status(struct se_cmd *se_cmd)\n"
 816                         buf += "{\n"
 817                         buf += "        return 0;\n"
 818                         buf += "}\n\n"
 819                         bufi += "int " + fabric_mod_name + "_queue_status(struct se_cmd *);\n"
 820
 821                 if re.search('queue_tm_rsp\)\(', fo):
 822                         buf += "void " + fabric_mod_name + "_queue_tm_rsp(struct se_cmd *se_cmd)\n"
 823                         buf += "{\n"
 824                         buf += "        return;\n"
 825                         buf += "}\n\n"
 826                         bufi += "void " + fabric_mod_name + "_queue_tm_rsp(struct se_cmd *);\n"
 827
 828                 if re.search('aborted_task\)\(', fo):
 829                         buf += "void " + fabric_mod_name + "_aborted_task(struct se_cmd *se_cmd)\n"
 830                         buf += "{\n"
 831                         buf += "        return;\n"
 832                         buf += "}\n\n"
 833                         bufi += "void " + fabric_mod_name + "_aborted_task(struct se_cmd *);\n"
 834
 835         ret = p.write(buf)
 836         if ret:
 837                 tcm_mod_err("Unable to write f: " + f)
 838
 839         p.close()
 840
 841         ret = pi.write(bufi)
 842         if ret:
 843                 tcm_mod_err("Unable to write fi: " + fi)
 844
 845         pi.close()
 846         return
 847
 848 def tcm_mod_build_kbuild(fabric_mod_dir_var, fabric_mod_name):
 849
 850         buf = ""
 851         f = fabric_mod_dir_var + "/Makefile"
 852         print "Writing file: " + f
 853
 854         p = open(f, 'w')
 855         if not p:
 856                 tcm_mod_err("Unable to open file: " + f)
 857
 858         buf += fabric_mod_name + "-objs                 := " + fabric_mod_name + "_fabric.o \\\n"
 859         buf += "                                           " + fabric_mod_name + "_configfs.o\n"
 860         buf += "obj-$(CONFIG_" + fabric_mod_name.upper() + ")           += " + fabric_mod_name + ".o\n"
 861
 862         ret = p.write(buf)
 863         if ret:
 864                 tcm_mod_err("Unable to write f: " + f)
 865
 866         p.close()
 867         return
 868
 869 def tcm_mod_build_kconfig(fabric_mod_dir_var, fabric_mod_name):
 870
 871         buf = ""
 872         f = fabric_mod_dir_var + "/Kconfig"
 873         print "Writing file: " + f
 874
 875         p = open(f, 'w')
 876         if not p:
 877                 tcm_mod_err("Unable to open file: " + f)
 878
 879         buf = "config " + fabric_mod_name.upper() + "\n"
 880         buf += "        tristate \"" + fabric_mod_name.upper() + " fabric module\"\n"
 881         buf += "        depends on TARGET_CORE && CONFIGFS_FS\n"
 882         buf += "        default n\n"
 883         buf += "        ---help---\n"
 884         buf += "        Say Y here to enable the " + fabric_mod_name.upper() + " fabric module\n"
 885
 886         ret = p.write(buf)
 887         if ret:
 888                 tcm_mod_err("Unable to write f: " + f)
 889
 890         p.close()
 891         return
 892
 893 def tcm_mod_add_kbuild(tcm_dir, fabric_mod_name):
 894         buf = "obj-$(CONFIG_" + fabric_mod_name.upper() + ")    += " + fabric_mod_name.lower() + "/\n"
 895         kbuild = tcm_dir + "/drivers/target/Makefile"
 896
 897         f = open(kbuild, 'a')
 898         f.write(buf)
 899         f.close()
 900         return
 901
 902 def tcm_mod_add_kconfig(tcm_dir, fabric_mod_name):
 903         buf = "source \"drivers/target/" + fabric_mod_name.lower() + "/Kconfig\"\n"
 904         kconfig = tcm_dir + "/drivers/target/Kconfig"
 905
 906         f = open(kconfig, 'a')
 907         f.write(buf)
 908         f.close()
 909         return
 910
 911 def main(modname, proto_ident):
 912 #       proto_ident = "FC"
 913 #       proto_ident = "SAS"
 914 #       proto_ident = "iSCSI"
 915
 916         tcm_dir = os.getcwd();
 917         tcm_dir += "/../../"
 918         print "tcm_dir: " + tcm_dir
 919         fabric_mod_name = modname
 920         fabric_mod_dir = tcm_dir + "drivers/target/" + fabric_mod_name
 921         print "Set fabric_mod_name: " + fabric_mod_name
 922         print "Set fabric_mod_dir: " + fabric_mod_dir
 923         print "Using proto_ident: " + proto_ident
 924
 925         if proto_ident != "FC" and proto_ident != "SAS" and proto_ident != "iSCSI":
 926                 print "Unsupported proto_ident: " + proto_ident
 927                 sys.exit(1)
 928
 929         ret = tcm_mod_create_module_subdir(fabric_mod_dir)
 930         if ret:
 931                 print "tcm_mod_create_module_subdir() failed because module already exists!"
 932                 sys.exit(1)
 933
 934         tcm_mod_build_base_includes(proto_ident, fabric_mod_dir, fabric_mod_name)
 935         tcm_mod_scan_fabric_ops(tcm_dir)
 936         tcm_mod_dump_fabric_ops(proto_ident, fabric_mod_dir, fabric_mod_name)
 937         tcm_mod_build_configfs(proto_ident, fabric_mod_dir, fabric_mod_name)
 938         tcm_mod_build_kbuild(fabric_mod_dir, fabric_mod_name)
 939         tcm_mod_build_kconfig(fabric_mod_dir, fabric_mod_name)
 940
 941         input = raw_input("Would you like to add " + fabric_mod_name + " to drivers/target/Makefile..? [yes,no]: ")
 942         if input == "yes" or input == "y":
 943                 tcm_mod_add_kbuild(tcm_dir, fabric_mod_name)
 944
 945         input = raw_input("Would you like to add " + fabric_mod_name + " to drivers/target/Kconfig..? [yes,no]: ")
 946         if input == "yes" or input == "y":
 947                 tcm_mod_add_kconfig(tcm_dir, fabric_mod_name)
 948
 949         return
 950
 951 parser = optparse.OptionParser()
 952 parser.add_option('-m', '--modulename', help='Module name', dest='modname',
 953                 action='store', nargs=1, type='string')
 954 parser.add_option('-p', '--protoident', help='Protocol Ident', dest='protoident',
 955                 action='store', nargs=1, type='string')
 956
 957 (opts, args) = parser.parse_args()
 958
 959 mandatories = ['modname', 'protoident']
 960 for m in mandatories:
 961         if not opts.__dict__[m]:
 962                 print "mandatory option is missing\n"
 963                 parser.print_help()
 964                 exit(-1)
 965
 966 if __name__ == "__main__":
 967
 968         main(str(opts.modname), opts.protoident)