linux/drivers/target/target_core_fabric_configfs.c
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   1/*******************************************************************************
   2* Filename: target_core_fabric_configfs.c
   3 *
   4 * This file contains generic fabric module configfs infrastructure for
   5 * TCM v4.x code
   6 *
   7 * Copyright (c) 2010,2011 Rising Tide Systems
   8 * Copyright (c) 2010,2011 Linux-iSCSI.org
   9 *
  10 * Copyright (c) Nicholas A. Bellinger <nab@linux-iscsi.org>
  11*
  12 * This program is free software; you can redistribute it and/or modify
  13 * it under the terms of the GNU General Public License as published by
  14 * the Free Software Foundation; either version 2 of the License, or
  15 * (at your option) any later version.
  16 *
  17 * This program is distributed in the hope that it will be useful,
  18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20 * GNU General Public License for more details.
  21 ****************************************************************************/
  22
  23#include <linux/module.h>
  24#include <linux/moduleparam.h>
  25#include <linux/utsname.h>
  26#include <linux/init.h>
  27#include <linux/fs.h>
  28#include <linux/namei.h>
  29#include <linux/slab.h>
  30#include <linux/types.h>
  31#include <linux/delay.h>
  32#include <linux/unistd.h>
  33#include <linux/string.h>
  34#include <linux/syscalls.h>
  35#include <linux/configfs.h>
  36
  37#include <target/target_core_base.h>
  38#include <target/target_core_fabric.h>
  39#include <target/target_core_fabric_configfs.h>
  40#include <target/target_core_configfs.h>
  41#include <target/configfs_macros.h>
  42
  43#include "target_core_internal.h"
  44#include "target_core_alua.h"
  45#include "target_core_pr.h"
  46
  47#define TF_CIT_SETUP(_name, _item_ops, _group_ops, _attrs)              \
  48static void target_fabric_setup_##_name##_cit(struct target_fabric_configfs *tf) \
  49{                                                                       \
  50        struct target_fabric_configfs_template *tfc = &tf->tf_cit_tmpl; \
  51        struct config_item_type *cit = &tfc->tfc_##_name##_cit;         \
  52                                                                        \
  53        cit->ct_item_ops = _item_ops;                                   \
  54        cit->ct_group_ops = _group_ops;                                 \
  55        cit->ct_attrs = _attrs;                                         \
  56        cit->ct_owner = tf->tf_module;                                  \
  57        pr_debug("Setup generic %s\n", __stringify(_name));             \
  58}
  59
  60/* Start of tfc_tpg_mappedlun_cit */
  61
  62static int target_fabric_mappedlun_link(
  63        struct config_item *lun_acl_ci,
  64        struct config_item *lun_ci)
  65{
  66        struct se_dev_entry *deve;
  67        struct se_lun *lun = container_of(to_config_group(lun_ci),
  68                        struct se_lun, lun_group);
  69        struct se_lun_acl *lacl = container_of(to_config_group(lun_acl_ci),
  70                        struct se_lun_acl, se_lun_group);
  71        struct se_portal_group *se_tpg;
  72        struct config_item *nacl_ci, *tpg_ci, *tpg_ci_s, *wwn_ci, *wwn_ci_s;
  73        int ret = 0, lun_access;
  74        /*
  75         * Ensure that the source port exists
  76         */
  77        if (!lun->lun_sep || !lun->lun_sep->sep_tpg) {
  78                pr_err("Source se_lun->lun_sep or lun->lun_sep->sep"
  79                                "_tpg does not exist\n");
  80                return -EINVAL;
  81        }
  82        se_tpg = lun->lun_sep->sep_tpg;
  83
  84        nacl_ci = &lun_acl_ci->ci_parent->ci_group->cg_item;
  85        tpg_ci = &nacl_ci->ci_group->cg_item;
  86        wwn_ci = &tpg_ci->ci_group->cg_item;
  87        tpg_ci_s = &lun_ci->ci_parent->ci_group->cg_item;
  88        wwn_ci_s = &tpg_ci_s->ci_group->cg_item;
  89        /*
  90         * Make sure the SymLink is going to the same $FABRIC/$WWN/tpgt_$TPGT
  91         */
  92        if (strcmp(config_item_name(wwn_ci), config_item_name(wwn_ci_s))) {
  93                pr_err("Illegal Initiator ACL SymLink outside of %s\n",
  94                        config_item_name(wwn_ci));
  95                return -EINVAL;
  96        }
  97        if (strcmp(config_item_name(tpg_ci), config_item_name(tpg_ci_s))) {
  98                pr_err("Illegal Initiator ACL Symlink outside of %s"
  99                        " TPGT: %s\n", config_item_name(wwn_ci),
 100                        config_item_name(tpg_ci));
 101                return -EINVAL;
 102        }
 103        /*
 104         * If this struct se_node_acl was dynamically generated with
 105         * tpg_1/attrib/generate_node_acls=1, use the existing deve->lun_flags,
 106         * which be will write protected (READ-ONLY) when
 107         * tpg_1/attrib/demo_mode_write_protect=1
 108         */
 109        spin_lock_irq(&lacl->se_lun_nacl->device_list_lock);
 110        deve = lacl->se_lun_nacl->device_list[lacl->mapped_lun];
 111        if (deve->lun_flags & TRANSPORT_LUNFLAGS_INITIATOR_ACCESS)
 112                lun_access = deve->lun_flags;
 113        else
 114                lun_access =
 115                        (se_tpg->se_tpg_tfo->tpg_check_prod_mode_write_protect(
 116                                se_tpg)) ? TRANSPORT_LUNFLAGS_READ_ONLY :
 117                                           TRANSPORT_LUNFLAGS_READ_WRITE;
 118        spin_unlock_irq(&lacl->se_lun_nacl->device_list_lock);
 119        /*
 120         * Determine the actual mapped LUN value user wants..
 121         *
 122         * This value is what the SCSI Initiator actually sees the
 123         * iscsi/$IQN/$TPGT/lun/lun_* as on their SCSI Initiator Ports.
 124         */
 125        ret = core_dev_add_initiator_node_lun_acl(se_tpg, lacl,
 126                        lun->unpacked_lun, lun_access);
 127
 128        return (ret < 0) ? -EINVAL : 0;
 129}
 130
 131static int target_fabric_mappedlun_unlink(
 132        struct config_item *lun_acl_ci,
 133        struct config_item *lun_ci)
 134{
 135        struct se_lun *lun;
 136        struct se_lun_acl *lacl = container_of(to_config_group(lun_acl_ci),
 137                        struct se_lun_acl, se_lun_group);
 138        struct se_node_acl *nacl = lacl->se_lun_nacl;
 139        struct se_dev_entry *deve = nacl->device_list[lacl->mapped_lun];
 140        struct se_portal_group *se_tpg;
 141        /*
 142         * Determine if the underlying MappedLUN has already been released..
 143         */
 144        if (!deve->se_lun)
 145                return 0;
 146
 147        lun = container_of(to_config_group(lun_ci), struct se_lun, lun_group);
 148        se_tpg = lun->lun_sep->sep_tpg;
 149
 150        core_dev_del_initiator_node_lun_acl(se_tpg, lun, lacl);
 151        return 0;
 152}
 153
 154CONFIGFS_EATTR_STRUCT(target_fabric_mappedlun, se_lun_acl);
 155#define TCM_MAPPEDLUN_ATTR(_name, _mode)                                \
 156static struct target_fabric_mappedlun_attribute target_fabric_mappedlun_##_name = \
 157        __CONFIGFS_EATTR(_name, _mode,                                  \
 158        target_fabric_mappedlun_show_##_name,                           \
 159        target_fabric_mappedlun_store_##_name);
 160
 161static ssize_t target_fabric_mappedlun_show_write_protect(
 162        struct se_lun_acl *lacl,
 163        char *page)
 164{
 165        struct se_node_acl *se_nacl = lacl->se_lun_nacl;
 166        struct se_dev_entry *deve;
 167        ssize_t len;
 168
 169        spin_lock_irq(&se_nacl->device_list_lock);
 170        deve = se_nacl->device_list[lacl->mapped_lun];
 171        len = sprintf(page, "%d\n",
 172                        (deve->lun_flags & TRANSPORT_LUNFLAGS_READ_ONLY) ?
 173                        1 : 0);
 174        spin_unlock_irq(&se_nacl->device_list_lock);
 175
 176        return len;
 177}
 178
 179static ssize_t target_fabric_mappedlun_store_write_protect(
 180        struct se_lun_acl *lacl,
 181        const char *page,
 182        size_t count)
 183{
 184        struct se_node_acl *se_nacl = lacl->se_lun_nacl;
 185        struct se_portal_group *se_tpg = se_nacl->se_tpg;
 186        unsigned long op;
 187
 188        if (strict_strtoul(page, 0, &op))
 189                return -EINVAL;
 190
 191        if ((op != 1) && (op != 0))
 192                return -EINVAL;
 193
 194        core_update_device_list_access(lacl->mapped_lun, (op) ?
 195                        TRANSPORT_LUNFLAGS_READ_ONLY :
 196                        TRANSPORT_LUNFLAGS_READ_WRITE,
 197                        lacl->se_lun_nacl);
 198
 199        pr_debug("%s_ConfigFS: Changed Initiator ACL: %s"
 200                " Mapped LUN: %u Write Protect bit to %s\n",
 201                se_tpg->se_tpg_tfo->get_fabric_name(),
 202                lacl->initiatorname, lacl->mapped_lun, (op) ? "ON" : "OFF");
 203
 204        return count;
 205
 206}
 207
 208TCM_MAPPEDLUN_ATTR(write_protect, S_IRUGO | S_IWUSR);
 209
 210CONFIGFS_EATTR_OPS(target_fabric_mappedlun, se_lun_acl, se_lun_group);
 211
 212static void target_fabric_mappedlun_release(struct config_item *item)
 213{
 214        struct se_lun_acl *lacl = container_of(to_config_group(item),
 215                                struct se_lun_acl, se_lun_group);
 216        struct se_portal_group *se_tpg = lacl->se_lun_nacl->se_tpg;
 217
 218        core_dev_free_initiator_node_lun_acl(se_tpg, lacl);
 219}
 220
 221static struct configfs_attribute *target_fabric_mappedlun_attrs[] = {
 222        &target_fabric_mappedlun_write_protect.attr,
 223        NULL,
 224};
 225
 226static struct configfs_item_operations target_fabric_mappedlun_item_ops = {
 227        .release                = target_fabric_mappedlun_release,
 228        .show_attribute         = target_fabric_mappedlun_attr_show,
 229        .store_attribute        = target_fabric_mappedlun_attr_store,
 230        .allow_link             = target_fabric_mappedlun_link,
 231        .drop_link              = target_fabric_mappedlun_unlink,
 232};
 233
 234TF_CIT_SETUP(tpg_mappedlun, &target_fabric_mappedlun_item_ops, NULL,
 235                target_fabric_mappedlun_attrs);
 236
 237/* End of tfc_tpg_mappedlun_cit */
 238
 239/* Start of tfc_tpg_mappedlun_port_cit */
 240
 241static struct config_group *target_core_mappedlun_stat_mkdir(
 242        struct config_group *group,
 243        const char *name)
 244{
 245        return ERR_PTR(-ENOSYS);
 246}
 247
 248static void target_core_mappedlun_stat_rmdir(
 249        struct config_group *group,
 250        struct config_item *item)
 251{
 252        return;
 253}
 254
 255static struct configfs_group_operations target_fabric_mappedlun_stat_group_ops = {
 256        .make_group             = target_core_mappedlun_stat_mkdir,
 257        .drop_item              = target_core_mappedlun_stat_rmdir,
 258};
 259
 260TF_CIT_SETUP(tpg_mappedlun_stat, NULL, &target_fabric_mappedlun_stat_group_ops,
 261                NULL);
 262
 263/* End of tfc_tpg_mappedlun_port_cit */
 264
 265/* Start of tfc_tpg_nacl_attrib_cit */
 266
 267CONFIGFS_EATTR_OPS(target_fabric_nacl_attrib, se_node_acl, acl_attrib_group);
 268
 269static struct configfs_item_operations target_fabric_nacl_attrib_item_ops = {
 270        .show_attribute         = target_fabric_nacl_attrib_attr_show,
 271        .store_attribute        = target_fabric_nacl_attrib_attr_store,
 272};
 273
 274TF_CIT_SETUP(tpg_nacl_attrib, &target_fabric_nacl_attrib_item_ops, NULL, NULL);
 275
 276/* End of tfc_tpg_nacl_attrib_cit */
 277
 278/* Start of tfc_tpg_nacl_auth_cit */
 279
 280CONFIGFS_EATTR_OPS(target_fabric_nacl_auth, se_node_acl, acl_auth_group);
 281
 282static struct configfs_item_operations target_fabric_nacl_auth_item_ops = {
 283        .show_attribute         = target_fabric_nacl_auth_attr_show,
 284        .store_attribute        = target_fabric_nacl_auth_attr_store,
 285};
 286
 287TF_CIT_SETUP(tpg_nacl_auth, &target_fabric_nacl_auth_item_ops, NULL, NULL);
 288
 289/* End of tfc_tpg_nacl_auth_cit */
 290
 291/* Start of tfc_tpg_nacl_param_cit */
 292
 293CONFIGFS_EATTR_OPS(target_fabric_nacl_param, se_node_acl, acl_param_group);
 294
 295static struct configfs_item_operations target_fabric_nacl_param_item_ops = {
 296        .show_attribute         = target_fabric_nacl_param_attr_show,
 297        .store_attribute        = target_fabric_nacl_param_attr_store,
 298};
 299
 300TF_CIT_SETUP(tpg_nacl_param, &target_fabric_nacl_param_item_ops, NULL, NULL);
 301
 302/* End of tfc_tpg_nacl_param_cit */
 303
 304/* Start of tfc_tpg_nacl_base_cit */
 305
 306CONFIGFS_EATTR_OPS(target_fabric_nacl_base, se_node_acl, acl_group);
 307
 308static struct config_group *target_fabric_make_mappedlun(
 309        struct config_group *group,
 310        const char *name)
 311{
 312        struct se_node_acl *se_nacl = container_of(group,
 313                        struct se_node_acl, acl_group);
 314        struct se_portal_group *se_tpg = se_nacl->se_tpg;
 315        struct target_fabric_configfs *tf = se_tpg->se_tpg_wwn->wwn_tf;
 316        struct se_lun_acl *lacl;
 317        struct config_item *acl_ci;
 318        struct config_group *lacl_cg = NULL, *ml_stat_grp = NULL;
 319        char *buf;
 320        unsigned long mapped_lun;
 321        int ret = 0;
 322
 323        acl_ci = &group->cg_item;
 324        if (!acl_ci) {
 325                pr_err("Unable to locatel acl_ci\n");
 326                return NULL;
 327        }
 328
 329        buf = kzalloc(strlen(name) + 1, GFP_KERNEL);
 330        if (!buf) {
 331                pr_err("Unable to allocate memory for name buf\n");
 332                return ERR_PTR(-ENOMEM);
 333        }
 334        snprintf(buf, strlen(name) + 1, "%s", name);
 335        /*
 336         * Make sure user is creating iscsi/$IQN/$TPGT/acls/$INITIATOR/lun_$ID.
 337         */
 338        if (strstr(buf, "lun_") != buf) {
 339                pr_err("Unable to locate \"lun_\" from buf: %s"
 340                        " name: %s\n", buf, name);
 341                ret = -EINVAL;
 342                goto out;
 343        }
 344        /*
 345         * Determine the Mapped LUN value.  This is what the SCSI Initiator
 346         * Port will actually see.
 347         */
 348        if (strict_strtoul(buf + 4, 0, &mapped_lun) || mapped_lun > UINT_MAX) {
 349                ret = -EINVAL;
 350                goto out;
 351        }
 352
 353        lacl = core_dev_init_initiator_node_lun_acl(se_tpg, mapped_lun,
 354                        config_item_name(acl_ci), &ret);
 355        if (!lacl) {
 356                ret = -EINVAL;
 357                goto out;
 358        }
 359
 360        lacl_cg = &lacl->se_lun_group;
 361        lacl_cg->default_groups = kzalloc(sizeof(struct config_group) * 2,
 362                                GFP_KERNEL);
 363        if (!lacl_cg->default_groups) {
 364                pr_err("Unable to allocate lacl_cg->default_groups\n");
 365                ret = -ENOMEM;
 366                goto out;
 367        }
 368
 369        config_group_init_type_name(&lacl->se_lun_group, name,
 370                        &TF_CIT_TMPL(tf)->tfc_tpg_mappedlun_cit);
 371        config_group_init_type_name(&lacl->ml_stat_grps.stat_group,
 372                        "statistics", &TF_CIT_TMPL(tf)->tfc_tpg_mappedlun_stat_cit);
 373        lacl_cg->default_groups[0] = &lacl->ml_stat_grps.stat_group;
 374        lacl_cg->default_groups[1] = NULL;
 375
 376        ml_stat_grp = &lacl->ml_stat_grps.stat_group;
 377        ml_stat_grp->default_groups = kzalloc(sizeof(struct config_group) * 3,
 378                                GFP_KERNEL);
 379        if (!ml_stat_grp->default_groups) {
 380                pr_err("Unable to allocate ml_stat_grp->default_groups\n");
 381                ret = -ENOMEM;
 382                goto out;
 383        }
 384        target_stat_setup_mappedlun_default_groups(lacl);
 385
 386        kfree(buf);
 387        return &lacl->se_lun_group;
 388out:
 389        if (lacl_cg)
 390                kfree(lacl_cg->default_groups);
 391        kfree(buf);
 392        return ERR_PTR(ret);
 393}
 394
 395static void target_fabric_drop_mappedlun(
 396        struct config_group *group,
 397        struct config_item *item)
 398{
 399        struct se_lun_acl *lacl = container_of(to_config_group(item),
 400                        struct se_lun_acl, se_lun_group);
 401        struct config_item *df_item;
 402        struct config_group *lacl_cg = NULL, *ml_stat_grp = NULL;
 403        int i;
 404
 405        ml_stat_grp = &lacl->ml_stat_grps.stat_group;
 406        for (i = 0; ml_stat_grp->default_groups[i]; i++) {
 407                df_item = &ml_stat_grp->default_groups[i]->cg_item;
 408                ml_stat_grp->default_groups[i] = NULL;
 409                config_item_put(df_item);
 410        }
 411        kfree(ml_stat_grp->default_groups);
 412
 413        lacl_cg = &lacl->se_lun_group;
 414        for (i = 0; lacl_cg->default_groups[i]; i++) {
 415                df_item = &lacl_cg->default_groups[i]->cg_item;
 416                lacl_cg->default_groups[i] = NULL;
 417                config_item_put(df_item);
 418        }
 419        kfree(lacl_cg->default_groups);
 420
 421        config_item_put(item);
 422}
 423
 424static void target_fabric_nacl_base_release(struct config_item *item)
 425{
 426        struct se_node_acl *se_nacl = container_of(to_config_group(item),
 427                        struct se_node_acl, acl_group);
 428        struct se_portal_group *se_tpg = se_nacl->se_tpg;
 429        struct target_fabric_configfs *tf = se_tpg->se_tpg_wwn->wwn_tf;
 430
 431        tf->tf_ops.fabric_drop_nodeacl(se_nacl);
 432}
 433
 434static struct configfs_item_operations target_fabric_nacl_base_item_ops = {
 435        .release                = target_fabric_nacl_base_release,
 436        .show_attribute         = target_fabric_nacl_base_attr_show,
 437        .store_attribute        = target_fabric_nacl_base_attr_store,
 438};
 439
 440static struct configfs_group_operations target_fabric_nacl_base_group_ops = {
 441        .make_group             = target_fabric_make_mappedlun,
 442        .drop_item              = target_fabric_drop_mappedlun,
 443};
 444
 445TF_CIT_SETUP(tpg_nacl_base, &target_fabric_nacl_base_item_ops,
 446                &target_fabric_nacl_base_group_ops, NULL);
 447
 448/* End of tfc_tpg_nacl_base_cit */
 449
 450/* Start of tfc_node_fabric_stats_cit */
 451/*
 452 * This is used as a placeholder for struct se_node_acl->acl_fabric_stat_group
 453 * to allow fabrics access to ->acl_fabric_stat_group->default_groups[]
 454 */
 455TF_CIT_SETUP(tpg_nacl_stat, NULL, NULL, NULL);
 456
 457/* End of tfc_wwn_fabric_stats_cit */
 458
 459/* Start of tfc_tpg_nacl_cit */
 460
 461static struct config_group *target_fabric_make_nodeacl(
 462        struct config_group *group,
 463        const char *name)
 464{
 465        struct se_portal_group *se_tpg = container_of(group,
 466                        struct se_portal_group, tpg_acl_group);
 467        struct target_fabric_configfs *tf = se_tpg->se_tpg_wwn->wwn_tf;
 468        struct se_node_acl *se_nacl;
 469        struct config_group *nacl_cg;
 470
 471        if (!tf->tf_ops.fabric_make_nodeacl) {
 472                pr_err("tf->tf_ops.fabric_make_nodeacl is NULL\n");
 473                return ERR_PTR(-ENOSYS);
 474        }
 475
 476        se_nacl = tf->tf_ops.fabric_make_nodeacl(se_tpg, group, name);
 477        if (IS_ERR(se_nacl))
 478                return ERR_CAST(se_nacl);
 479
 480        nacl_cg = &se_nacl->acl_group;
 481        nacl_cg->default_groups = se_nacl->acl_default_groups;
 482        nacl_cg->default_groups[0] = &se_nacl->acl_attrib_group;
 483        nacl_cg->default_groups[1] = &se_nacl->acl_auth_group;
 484        nacl_cg->default_groups[2] = &se_nacl->acl_param_group;
 485        nacl_cg->default_groups[3] = &se_nacl->acl_fabric_stat_group;
 486        nacl_cg->default_groups[4] = NULL;
 487
 488        config_group_init_type_name(&se_nacl->acl_group, name,
 489                        &TF_CIT_TMPL(tf)->tfc_tpg_nacl_base_cit);
 490        config_group_init_type_name(&se_nacl->acl_attrib_group, "attrib",
 491                        &TF_CIT_TMPL(tf)->tfc_tpg_nacl_attrib_cit);
 492        config_group_init_type_name(&se_nacl->acl_auth_group, "auth",
 493                        &TF_CIT_TMPL(tf)->tfc_tpg_nacl_auth_cit);
 494        config_group_init_type_name(&se_nacl->acl_param_group, "param",
 495                        &TF_CIT_TMPL(tf)->tfc_tpg_nacl_param_cit);
 496        config_group_init_type_name(&se_nacl->acl_fabric_stat_group,
 497                        "fabric_statistics",
 498                        &TF_CIT_TMPL(tf)->tfc_tpg_nacl_stat_cit);
 499
 500        return &se_nacl->acl_group;
 501}
 502
 503static void target_fabric_drop_nodeacl(
 504        struct config_group *group,
 505        struct config_item *item)
 506{
 507        struct se_node_acl *se_nacl = container_of(to_config_group(item),
 508                        struct se_node_acl, acl_group);
 509        struct config_item *df_item;
 510        struct config_group *nacl_cg;
 511        int i;
 512
 513        nacl_cg = &se_nacl->acl_group;
 514        for (i = 0; nacl_cg->default_groups[i]; i++) {
 515                df_item = &nacl_cg->default_groups[i]->cg_item;
 516                nacl_cg->default_groups[i] = NULL;
 517                config_item_put(df_item);
 518        }
 519        /*
 520         * struct se_node_acl free is done in target_fabric_nacl_base_release()
 521         */
 522        config_item_put(item);
 523}
 524
 525static struct configfs_group_operations target_fabric_nacl_group_ops = {
 526        .make_group     = target_fabric_make_nodeacl,
 527        .drop_item      = target_fabric_drop_nodeacl,
 528};
 529
 530TF_CIT_SETUP(tpg_nacl, NULL, &target_fabric_nacl_group_ops, NULL);
 531
 532/* End of tfc_tpg_nacl_cit */
 533
 534/* Start of tfc_tpg_np_base_cit */
 535
 536CONFIGFS_EATTR_OPS(target_fabric_np_base, se_tpg_np, tpg_np_group);
 537
 538static void target_fabric_np_base_release(struct config_item *item)
 539{
 540        struct se_tpg_np *se_tpg_np = container_of(to_config_group(item),
 541                                struct se_tpg_np, tpg_np_group);
 542        struct se_portal_group *se_tpg = se_tpg_np->tpg_np_parent;
 543        struct target_fabric_configfs *tf = se_tpg->se_tpg_wwn->wwn_tf;
 544
 545        tf->tf_ops.fabric_drop_np(se_tpg_np);
 546}
 547
 548static struct configfs_item_operations target_fabric_np_base_item_ops = {
 549        .release                = target_fabric_np_base_release,
 550        .show_attribute         = target_fabric_np_base_attr_show,
 551        .store_attribute        = target_fabric_np_base_attr_store,
 552};
 553
 554TF_CIT_SETUP(tpg_np_base, &target_fabric_np_base_item_ops, NULL, NULL);
 555
 556/* End of tfc_tpg_np_base_cit */
 557
 558/* Start of tfc_tpg_np_cit */
 559
 560static struct config_group *target_fabric_make_np(
 561        struct config_group *group,
 562        const char *name)
 563{
 564        struct se_portal_group *se_tpg = container_of(group,
 565                                struct se_portal_group, tpg_np_group);
 566        struct target_fabric_configfs *tf = se_tpg->se_tpg_wwn->wwn_tf;
 567        struct se_tpg_np *se_tpg_np;
 568
 569        if (!tf->tf_ops.fabric_make_np) {
 570                pr_err("tf->tf_ops.fabric_make_np is NULL\n");
 571                return ERR_PTR(-ENOSYS);
 572        }
 573
 574        se_tpg_np = tf->tf_ops.fabric_make_np(se_tpg, group, name);
 575        if (!se_tpg_np || IS_ERR(se_tpg_np))
 576                return ERR_PTR(-EINVAL);
 577
 578        se_tpg_np->tpg_np_parent = se_tpg;
 579        config_group_init_type_name(&se_tpg_np->tpg_np_group, name,
 580                        &TF_CIT_TMPL(tf)->tfc_tpg_np_base_cit);
 581
 582        return &se_tpg_np->tpg_np_group;
 583}
 584
 585static void target_fabric_drop_np(
 586        struct config_group *group,
 587        struct config_item *item)
 588{
 589        /*
 590         * struct se_tpg_np is released via target_fabric_np_base_release()
 591         */
 592        config_item_put(item);
 593}
 594
 595static struct configfs_group_operations target_fabric_np_group_ops = {
 596        .make_group     = &target_fabric_make_np,
 597        .drop_item      = &target_fabric_drop_np,
 598};
 599
 600TF_CIT_SETUP(tpg_np, NULL, &target_fabric_np_group_ops, NULL);
 601
 602/* End of tfc_tpg_np_cit */
 603
 604/* Start of tfc_tpg_port_cit */
 605
 606CONFIGFS_EATTR_STRUCT(target_fabric_port, se_lun);
 607#define TCM_PORT_ATTR(_name, _mode)                                     \
 608static struct target_fabric_port_attribute target_fabric_port_##_name = \
 609        __CONFIGFS_EATTR(_name, _mode,                                  \
 610        target_fabric_port_show_attr_##_name,                           \
 611        target_fabric_port_store_attr_##_name);
 612
 613#define TCM_PORT_ATTOR_RO(_name)                                        \
 614        __CONFIGFS_EATTR_RO(_name,                                      \
 615        target_fabric_port_show_attr_##_name);
 616
 617/*
 618 * alua_tg_pt_gp
 619 */
 620static ssize_t target_fabric_port_show_attr_alua_tg_pt_gp(
 621        struct se_lun *lun,
 622        char *page)
 623{
 624        if (!lun || !lun->lun_sep)
 625                return -ENODEV;
 626
 627        return core_alua_show_tg_pt_gp_info(lun->lun_sep, page);
 628}
 629
 630static ssize_t target_fabric_port_store_attr_alua_tg_pt_gp(
 631        struct se_lun *lun,
 632        const char *page,
 633        size_t count)
 634{
 635        if (!lun || !lun->lun_sep)
 636                return -ENODEV;
 637
 638        return core_alua_store_tg_pt_gp_info(lun->lun_sep, page, count);
 639}
 640
 641TCM_PORT_ATTR(alua_tg_pt_gp, S_IRUGO | S_IWUSR);
 642
 643/*
 644 * alua_tg_pt_offline
 645 */
 646static ssize_t target_fabric_port_show_attr_alua_tg_pt_offline(
 647        struct se_lun *lun,
 648        char *page)
 649{
 650        if (!lun || !lun->lun_sep)
 651                return -ENODEV;
 652
 653        return core_alua_show_offline_bit(lun, page);
 654}
 655
 656static ssize_t target_fabric_port_store_attr_alua_tg_pt_offline(
 657        struct se_lun *lun,
 658        const char *page,
 659        size_t count)
 660{
 661        if (!lun || !lun->lun_sep)
 662                return -ENODEV;
 663
 664        return core_alua_store_offline_bit(lun, page, count);
 665}
 666
 667TCM_PORT_ATTR(alua_tg_pt_offline, S_IRUGO | S_IWUSR);
 668
 669/*
 670 * alua_tg_pt_status
 671 */
 672static ssize_t target_fabric_port_show_attr_alua_tg_pt_status(
 673        struct se_lun *lun,
 674        char *page)
 675{
 676        if (!lun || !lun->lun_sep)
 677                return -ENODEV;
 678
 679        return core_alua_show_secondary_status(lun, page);
 680}
 681
 682static ssize_t target_fabric_port_store_attr_alua_tg_pt_status(
 683        struct se_lun *lun,
 684        const char *page,
 685        size_t count)
 686{
 687        if (!lun || !lun->lun_sep)
 688                return -ENODEV;
 689
 690        return core_alua_store_secondary_status(lun, page, count);
 691}
 692
 693TCM_PORT_ATTR(alua_tg_pt_status, S_IRUGO | S_IWUSR);
 694
 695/*
 696 * alua_tg_pt_write_md
 697 */
 698static ssize_t target_fabric_port_show_attr_alua_tg_pt_write_md(
 699        struct se_lun *lun,
 700        char *page)
 701{
 702        if (!lun || !lun->lun_sep)
 703                return -ENODEV;
 704
 705        return core_alua_show_secondary_write_metadata(lun, page);
 706}
 707
 708static ssize_t target_fabric_port_store_attr_alua_tg_pt_write_md(
 709        struct se_lun *lun,
 710        const char *page,
 711        size_t count)
 712{
 713        if (!lun || !lun->lun_sep)
 714                return -ENODEV;
 715
 716        return core_alua_store_secondary_write_metadata(lun, page, count);
 717}
 718
 719TCM_PORT_ATTR(alua_tg_pt_write_md, S_IRUGO | S_IWUSR);
 720
 721
 722static struct configfs_attribute *target_fabric_port_attrs[] = {
 723        &target_fabric_port_alua_tg_pt_gp.attr,
 724        &target_fabric_port_alua_tg_pt_offline.attr,
 725        &target_fabric_port_alua_tg_pt_status.attr,
 726        &target_fabric_port_alua_tg_pt_write_md.attr,
 727        NULL,
 728};
 729
 730CONFIGFS_EATTR_OPS(target_fabric_port, se_lun, lun_group);
 731
 732static int target_fabric_port_link(
 733        struct config_item *lun_ci,
 734        struct config_item *se_dev_ci)
 735{
 736        struct config_item *tpg_ci;
 737        struct se_device *dev;
 738        struct se_lun *lun = container_of(to_config_group(lun_ci),
 739                                struct se_lun, lun_group);
 740        struct se_lun *lun_p;
 741        struct se_portal_group *se_tpg;
 742        struct se_subsystem_dev *se_dev = container_of(
 743                                to_config_group(se_dev_ci), struct se_subsystem_dev,
 744                                se_dev_group);
 745        struct target_fabric_configfs *tf;
 746        int ret;
 747
 748        tpg_ci = &lun_ci->ci_parent->ci_group->cg_item;
 749        se_tpg = container_of(to_config_group(tpg_ci),
 750                                struct se_portal_group, tpg_group);
 751        tf = se_tpg->se_tpg_wwn->wwn_tf;
 752
 753        if (lun->lun_se_dev !=  NULL) {
 754                pr_err("Port Symlink already exists\n");
 755                return -EEXIST;
 756        }
 757
 758        dev = se_dev->se_dev_ptr;
 759        if (!dev) {
 760                pr_err("Unable to locate struct se_device pointer from"
 761                        " %s\n", config_item_name(se_dev_ci));
 762                ret = -ENODEV;
 763                goto out;
 764        }
 765
 766        lun_p = core_dev_add_lun(se_tpg, dev, lun->unpacked_lun);
 767        if (IS_ERR(lun_p)) {
 768                pr_err("core_dev_add_lun() failed\n");
 769                ret = PTR_ERR(lun_p);
 770                goto out;
 771        }
 772
 773        if (tf->tf_ops.fabric_post_link) {
 774                /*
 775                 * Call the optional fabric_post_link() to allow a
 776                 * fabric module to setup any additional state once
 777                 * core_dev_add_lun() has been called..
 778                 */
 779                tf->tf_ops.fabric_post_link(se_tpg, lun);
 780        }
 781
 782        return 0;
 783out:
 784        return ret;
 785}
 786
 787static int target_fabric_port_unlink(
 788        struct config_item *lun_ci,
 789        struct config_item *se_dev_ci)
 790{
 791        struct se_lun *lun = container_of(to_config_group(lun_ci),
 792                                struct se_lun, lun_group);
 793        struct se_portal_group *se_tpg = lun->lun_sep->sep_tpg;
 794        struct target_fabric_configfs *tf = se_tpg->se_tpg_wwn->wwn_tf;
 795
 796        if (tf->tf_ops.fabric_pre_unlink) {
 797                /*
 798                 * Call the optional fabric_pre_unlink() to allow a
 799                 * fabric module to release any additional stat before
 800                 * core_dev_del_lun() is called.
 801                */
 802                tf->tf_ops.fabric_pre_unlink(se_tpg, lun);
 803        }
 804
 805        core_dev_del_lun(se_tpg, lun->unpacked_lun);
 806        return 0;
 807}
 808
 809static struct configfs_item_operations target_fabric_port_item_ops = {
 810        .show_attribute         = target_fabric_port_attr_show,
 811        .store_attribute        = target_fabric_port_attr_store,
 812        .allow_link             = target_fabric_port_link,
 813        .drop_link              = target_fabric_port_unlink,
 814};
 815
 816TF_CIT_SETUP(tpg_port, &target_fabric_port_item_ops, NULL, target_fabric_port_attrs);
 817
 818/* End of tfc_tpg_port_cit */
 819
 820/* Start of tfc_tpg_port_stat_cit */
 821
 822static struct config_group *target_core_port_stat_mkdir(
 823        struct config_group *group,
 824        const char *name)
 825{
 826        return ERR_PTR(-ENOSYS);
 827}
 828
 829static void target_core_port_stat_rmdir(
 830        struct config_group *group,
 831        struct config_item *item)
 832{
 833        return;
 834}
 835
 836static struct configfs_group_operations target_fabric_port_stat_group_ops = {
 837        .make_group             = target_core_port_stat_mkdir,
 838        .drop_item              = target_core_port_stat_rmdir,
 839};
 840
 841TF_CIT_SETUP(tpg_port_stat, NULL, &target_fabric_port_stat_group_ops, NULL);
 842
 843/* End of tfc_tpg_port_stat_cit */
 844
 845/* Start of tfc_tpg_lun_cit */
 846
 847static struct config_group *target_fabric_make_lun(
 848        struct config_group *group,
 849        const char *name)
 850{
 851        struct se_lun *lun;
 852        struct se_portal_group *se_tpg = container_of(group,
 853                        struct se_portal_group, tpg_lun_group);
 854        struct target_fabric_configfs *tf = se_tpg->se_tpg_wwn->wwn_tf;
 855        struct config_group *lun_cg = NULL, *port_stat_grp = NULL;
 856        unsigned long unpacked_lun;
 857        int errno;
 858
 859        if (strstr(name, "lun_") != name) {
 860                pr_err("Unable to locate \'_\" in"
 861                                " \"lun_$LUN_NUMBER\"\n");
 862                return ERR_PTR(-EINVAL);
 863        }
 864        if (strict_strtoul(name + 4, 0, &unpacked_lun) || unpacked_lun > UINT_MAX)
 865                return ERR_PTR(-EINVAL);
 866
 867        lun = core_get_lun_from_tpg(se_tpg, unpacked_lun);
 868        if (!lun)
 869                return ERR_PTR(-EINVAL);
 870
 871        lun_cg = &lun->lun_group;
 872        lun_cg->default_groups = kzalloc(sizeof(struct config_group) * 2,
 873                                GFP_KERNEL);
 874        if (!lun_cg->default_groups) {
 875                pr_err("Unable to allocate lun_cg->default_groups\n");
 876                return ERR_PTR(-ENOMEM);
 877        }
 878
 879        config_group_init_type_name(&lun->lun_group, name,
 880                        &TF_CIT_TMPL(tf)->tfc_tpg_port_cit);
 881        config_group_init_type_name(&lun->port_stat_grps.stat_group,
 882                        "statistics", &TF_CIT_TMPL(tf)->tfc_tpg_port_stat_cit);
 883        lun_cg->default_groups[0] = &lun->port_stat_grps.stat_group;
 884        lun_cg->default_groups[1] = NULL;
 885
 886        port_stat_grp = &lun->port_stat_grps.stat_group;
 887        port_stat_grp->default_groups =  kzalloc(sizeof(struct config_group) * 3,
 888                                GFP_KERNEL);
 889        if (!port_stat_grp->default_groups) {
 890                pr_err("Unable to allocate port_stat_grp->default_groups\n");
 891                errno = -ENOMEM;
 892                goto out;
 893        }
 894        target_stat_setup_port_default_groups(lun);
 895
 896        return &lun->lun_group;
 897out:
 898        if (lun_cg)
 899                kfree(lun_cg->default_groups);
 900        return ERR_PTR(errno);
 901}
 902
 903static void target_fabric_drop_lun(
 904        struct config_group *group,
 905        struct config_item *item)
 906{
 907        struct se_lun *lun = container_of(to_config_group(item),
 908                                struct se_lun, lun_group);
 909        struct config_item *df_item;
 910        struct config_group *lun_cg, *port_stat_grp;
 911        int i;
 912
 913        port_stat_grp = &lun->port_stat_grps.stat_group;
 914        for (i = 0; port_stat_grp->default_groups[i]; i++) {
 915                df_item = &port_stat_grp->default_groups[i]->cg_item;
 916                port_stat_grp->default_groups[i] = NULL;
 917                config_item_put(df_item);
 918        }
 919        kfree(port_stat_grp->default_groups);
 920
 921        lun_cg = &lun->lun_group;
 922        for (i = 0; lun_cg->default_groups[i]; i++) {
 923                df_item = &lun_cg->default_groups[i]->cg_item;
 924                lun_cg->default_groups[i] = NULL;
 925                config_item_put(df_item);
 926        }
 927        kfree(lun_cg->default_groups);
 928
 929        config_item_put(item);
 930}
 931
 932static struct configfs_group_operations target_fabric_lun_group_ops = {
 933        .make_group     = &target_fabric_make_lun,
 934        .drop_item      = &target_fabric_drop_lun,
 935};
 936
 937TF_CIT_SETUP(tpg_lun, NULL, &target_fabric_lun_group_ops, NULL);
 938
 939/* End of tfc_tpg_lun_cit */
 940
 941/* Start of tfc_tpg_attrib_cit */
 942
 943CONFIGFS_EATTR_OPS(target_fabric_tpg_attrib, se_portal_group, tpg_attrib_group);
 944
 945static struct configfs_item_operations target_fabric_tpg_attrib_item_ops = {
 946        .show_attribute         = target_fabric_tpg_attrib_attr_show,
 947        .store_attribute        = target_fabric_tpg_attrib_attr_store,
 948};
 949
 950TF_CIT_SETUP(tpg_attrib, &target_fabric_tpg_attrib_item_ops, NULL, NULL);
 951
 952/* End of tfc_tpg_attrib_cit */
 953
 954/* Start of tfc_tpg_param_cit */
 955
 956CONFIGFS_EATTR_OPS(target_fabric_tpg_param, se_portal_group, tpg_param_group);
 957
 958static struct configfs_item_operations target_fabric_tpg_param_item_ops = {
 959        .show_attribute         = target_fabric_tpg_param_attr_show,
 960        .store_attribute        = target_fabric_tpg_param_attr_store,
 961};
 962
 963TF_CIT_SETUP(tpg_param, &target_fabric_tpg_param_item_ops, NULL, NULL);
 964
 965/* End of tfc_tpg_param_cit */
 966
 967/* Start of tfc_tpg_base_cit */
 968/*
 969 * For use with TF_TPG_ATTR() and TF_TPG_ATTR_RO()
 970 */
 971CONFIGFS_EATTR_OPS(target_fabric_tpg, se_portal_group, tpg_group);
 972
 973static void target_fabric_tpg_release(struct config_item *item)
 974{
 975        struct se_portal_group *se_tpg = container_of(to_config_group(item),
 976                        struct se_portal_group, tpg_group);
 977        struct se_wwn *wwn = se_tpg->se_tpg_wwn;
 978        struct target_fabric_configfs *tf = wwn->wwn_tf;
 979
 980        tf->tf_ops.fabric_drop_tpg(se_tpg);
 981}
 982
 983static struct configfs_item_operations target_fabric_tpg_base_item_ops = {
 984        .release                = target_fabric_tpg_release,
 985        .show_attribute         = target_fabric_tpg_attr_show,
 986        .store_attribute        = target_fabric_tpg_attr_store,
 987};
 988
 989TF_CIT_SETUP(tpg_base, &target_fabric_tpg_base_item_ops, NULL, NULL);
 990
 991/* End of tfc_tpg_base_cit */
 992
 993/* Start of tfc_tpg_cit */
 994
 995static struct config_group *target_fabric_make_tpg(
 996        struct config_group *group,
 997        const char *name)
 998{
 999        struct se_wwn *wwn = container_of(group, struct se_wwn, wwn_group);
1000        struct target_fabric_configfs *tf = wwn->wwn_tf;
1001        struct se_portal_group *se_tpg;
1002
1003        if (!tf->tf_ops.fabric_make_tpg) {
1004                pr_err("tf->tf_ops.fabric_make_tpg is NULL\n");
1005                return ERR_PTR(-ENOSYS);
1006        }
1007
1008        se_tpg = tf->tf_ops.fabric_make_tpg(wwn, group, name);
1009        if (!se_tpg || IS_ERR(se_tpg))
1010                return ERR_PTR(-EINVAL);
1011        /*
1012         * Setup default groups from pre-allocated se_tpg->tpg_default_groups
1013         */
1014        se_tpg->tpg_group.default_groups = se_tpg->tpg_default_groups;
1015        se_tpg->tpg_group.default_groups[0] = &se_tpg->tpg_lun_group;
1016        se_tpg->tpg_group.default_groups[1] = &se_tpg->tpg_np_group;
1017        se_tpg->tpg_group.default_groups[2] = &se_tpg->tpg_acl_group;
1018        se_tpg->tpg_group.default_groups[3] = &se_tpg->tpg_attrib_group;
1019        se_tpg->tpg_group.default_groups[4] = &se_tpg->tpg_param_group;
1020        se_tpg->tpg_group.default_groups[5] = NULL;
1021
1022        config_group_init_type_name(&se_tpg->tpg_group, name,
1023                        &TF_CIT_TMPL(tf)->tfc_tpg_base_cit);
1024        config_group_init_type_name(&se_tpg->tpg_lun_group, "lun",
1025                        &TF_CIT_TMPL(tf)->tfc_tpg_lun_cit);
1026        config_group_init_type_name(&se_tpg->tpg_np_group, "np",
1027                        &TF_CIT_TMPL(tf)->tfc_tpg_np_cit);
1028        config_group_init_type_name(&se_tpg->tpg_acl_group, "acls",
1029                        &TF_CIT_TMPL(tf)->tfc_tpg_nacl_cit);
1030        config_group_init_type_name(&se_tpg->tpg_attrib_group, "attrib",
1031                        &TF_CIT_TMPL(tf)->tfc_tpg_attrib_cit);
1032        config_group_init_type_name(&se_tpg->tpg_param_group, "param",
1033                        &TF_CIT_TMPL(tf)->tfc_tpg_param_cit);
1034
1035        return &se_tpg->tpg_group;
1036}
1037
1038static void target_fabric_drop_tpg(
1039        struct config_group *group,
1040        struct config_item *item)
1041{
1042        struct se_portal_group *se_tpg = container_of(to_config_group(item),
1043                                struct se_portal_group, tpg_group);
1044        struct config_group *tpg_cg = &se_tpg->tpg_group;
1045        struct config_item *df_item;
1046        int i;
1047        /*
1048         * Release default groups, but do not release tpg_cg->default_groups
1049         * memory as it is statically allocated at se_tpg->tpg_default_groups.
1050         */
1051        for (i = 0; tpg_cg->default_groups[i]; i++) {
1052                df_item = &tpg_cg->default_groups[i]->cg_item;
1053                tpg_cg->default_groups[i] = NULL;
1054                config_item_put(df_item);
1055        }
1056
1057        config_item_put(item);
1058}
1059
1060static void target_fabric_release_wwn(struct config_item *item)
1061{
1062        struct se_wwn *wwn = container_of(to_config_group(item),
1063                                struct se_wwn, wwn_group);
1064        struct target_fabric_configfs *tf = wwn->wwn_tf;
1065
1066        tf->tf_ops.fabric_drop_wwn(wwn);
1067}
1068
1069static struct configfs_item_operations target_fabric_tpg_item_ops = {
1070        .release        = target_fabric_release_wwn,
1071};
1072
1073static struct configfs_group_operations target_fabric_tpg_group_ops = {
1074        .make_group     = target_fabric_make_tpg,
1075        .drop_item      = target_fabric_drop_tpg,
1076};
1077
1078TF_CIT_SETUP(tpg, &target_fabric_tpg_item_ops, &target_fabric_tpg_group_ops,
1079                NULL);
1080
1081/* End of tfc_tpg_cit */
1082
1083/* Start of tfc_wwn_fabric_stats_cit */
1084/*
1085 * This is used as a placeholder for struct se_wwn->fabric_stat_group
1086 * to allow fabrics access to ->fabric_stat_group->default_groups[]
1087 */
1088TF_CIT_SETUP(wwn_fabric_stats, NULL, NULL, NULL);
1089
1090/* End of tfc_wwn_fabric_stats_cit */
1091
1092/* Start of tfc_wwn_cit */
1093
1094static struct config_group *target_fabric_make_wwn(
1095        struct config_group *group,
1096        const char *name)
1097{
1098        struct target_fabric_configfs *tf = container_of(group,
1099                                struct target_fabric_configfs, tf_group);
1100        struct se_wwn *wwn;
1101
1102        if (!tf->tf_ops.fabric_make_wwn) {
1103                pr_err("tf->tf_ops.fabric_make_wwn is NULL\n");
1104                return ERR_PTR(-ENOSYS);
1105        }
1106
1107        wwn = tf->tf_ops.fabric_make_wwn(tf, group, name);
1108        if (!wwn || IS_ERR(wwn))
1109                return ERR_PTR(-EINVAL);
1110
1111        wwn->wwn_tf = tf;
1112        /*
1113         * Setup default groups from pre-allocated wwn->wwn_default_groups
1114         */
1115        wwn->wwn_group.default_groups = wwn->wwn_default_groups;
1116        wwn->wwn_group.default_groups[0] = &wwn->fabric_stat_group;
1117        wwn->wwn_group.default_groups[1] = NULL;
1118
1119        config_group_init_type_name(&wwn->wwn_group, name,
1120                        &TF_CIT_TMPL(tf)->tfc_tpg_cit);
1121        config_group_init_type_name(&wwn->fabric_stat_group, "fabric_statistics",
1122                        &TF_CIT_TMPL(tf)->tfc_wwn_fabric_stats_cit);
1123
1124        return &wwn->wwn_group;
1125}
1126
1127static void target_fabric_drop_wwn(
1128        struct config_group *group,
1129        struct config_item *item)
1130{
1131        struct se_wwn *wwn = container_of(to_config_group(item),
1132                                struct se_wwn, wwn_group);
1133        struct config_item *df_item;
1134        struct config_group *cg = &wwn->wwn_group;
1135        int i;
1136
1137        for (i = 0; cg->default_groups[i]; i++) {
1138                df_item = &cg->default_groups[i]->cg_item;
1139                cg->default_groups[i] = NULL;
1140                config_item_put(df_item);
1141        }
1142
1143        config_item_put(item);
1144}
1145
1146static struct configfs_group_operations target_fabric_wwn_group_ops = {
1147        .make_group     = target_fabric_make_wwn,
1148        .drop_item      = target_fabric_drop_wwn,
1149};
1150/*
1151 * For use with TF_WWN_ATTR() and TF_WWN_ATTR_RO()
1152 */
1153CONFIGFS_EATTR_OPS(target_fabric_wwn, target_fabric_configfs, tf_group);
1154
1155static struct configfs_item_operations target_fabric_wwn_item_ops = {
1156        .show_attribute         = target_fabric_wwn_attr_show,
1157        .store_attribute        = target_fabric_wwn_attr_store,
1158};
1159
1160TF_CIT_SETUP(wwn, &target_fabric_wwn_item_ops, &target_fabric_wwn_group_ops, NULL);
1161
1162/* End of tfc_wwn_cit */
1163
1164/* Start of tfc_discovery_cit */
1165
1166CONFIGFS_EATTR_OPS(target_fabric_discovery, target_fabric_configfs,
1167                tf_disc_group);
1168
1169static struct configfs_item_operations target_fabric_discovery_item_ops = {
1170        .show_attribute         = target_fabric_discovery_attr_show,
1171        .store_attribute        = target_fabric_discovery_attr_store,
1172};
1173
1174TF_CIT_SETUP(discovery, &target_fabric_discovery_item_ops, NULL, NULL);
1175
1176/* End of tfc_discovery_cit */
1177
1178int target_fabric_setup_cits(struct target_fabric_configfs *tf)
1179{
1180        target_fabric_setup_discovery_cit(tf);
1181        target_fabric_setup_wwn_cit(tf);
1182        target_fabric_setup_wwn_fabric_stats_cit(tf);
1183        target_fabric_setup_tpg_cit(tf);
1184        target_fabric_setup_tpg_base_cit(tf);
1185        target_fabric_setup_tpg_port_cit(tf);
1186        target_fabric_setup_tpg_port_stat_cit(tf);
1187        target_fabric_setup_tpg_lun_cit(tf);
1188        target_fabric_setup_tpg_np_cit(tf);
1189        target_fabric_setup_tpg_np_base_cit(tf);
1190        target_fabric_setup_tpg_attrib_cit(tf);
1191        target_fabric_setup_tpg_param_cit(tf);
1192        target_fabric_setup_tpg_nacl_cit(tf);
1193        target_fabric_setup_tpg_nacl_base_cit(tf);
1194        target_fabric_setup_tpg_nacl_attrib_cit(tf);
1195        target_fabric_setup_tpg_nacl_auth_cit(tf);
1196        target_fabric_setup_tpg_nacl_param_cit(tf);
1197        target_fabric_setup_tpg_nacl_stat_cit(tf);
1198        target_fabric_setup_tpg_mappedlun_cit(tf);
1199        target_fabric_setup_tpg_mappedlun_stat_cit(tf);
1200
1201        return 0;
1202}
1203
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