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 <generated/utsrelease.h>
  26#include <linux/utsname.h>
  27#include <linux/init.h>
  28#include <linux/fs.h>
  29#include <linux/namei.h>
  30#include <linux/slab.h>
  31#include <linux/types.h>
  32#include <linux/delay.h>
  33#include <linux/unistd.h>
  34#include <linux/string.h>
  35#include <linux/syscalls.h>
  36#include <linux/configfs.h>
  37
  38#include <target/target_core_base.h>
  39#include <target/target_core_fabric.h>
  40#include <target/target_core_fabric_configfs.h>
  41#include <target/target_core_configfs.h>
  42#include <target/configfs_macros.h>
  43
  44#include "target_core_internal.h"
  45#include "target_core_alua.h"
  46#include "target_core_pr.h"
  47
  48#define TF_CIT_SETUP(_name, _item_ops, _group_ops, _attrs)              \
  49static void target_fabric_setup_##_name##_cit(struct target_fabric_configfs *tf) \
  50{                                                                       \
  51        struct target_fabric_configfs_template *tfc = &tf->tf_cit_tmpl; \
  52        struct config_item_type *cit = &tfc->tfc_##_name##_cit;         \
  53                                                                        \
  54        cit->ct_item_ops = _item_ops;                                   \
  55        cit->ct_group_ops = _group_ops;                                 \
  56        cit->ct_attrs = _attrs;                                         \
  57        cit->ct_owner = tf->tf_module;                                  \
  58        pr_debug("Setup generic %s\n", __stringify(_name));             \
  59}
  60
  61/* Start of tfc_tpg_mappedlun_cit */
  62
  63static int target_fabric_mappedlun_link(
  64        struct config_item *lun_acl_ci,
  65        struct config_item *lun_ci)
  66{
  67        struct se_dev_entry *deve;
  68        struct se_lun *lun = container_of(to_config_group(lun_ci),
  69                        struct se_lun, lun_group);
  70        struct se_lun_acl *lacl = container_of(to_config_group(lun_acl_ci),
  71                        struct se_lun_acl, se_lun_group);
  72        struct se_portal_group *se_tpg;
  73        struct config_item *nacl_ci, *tpg_ci, *tpg_ci_s, *wwn_ci, *wwn_ci_s;
  74        int ret = 0, lun_access;
  75        /*
  76         * Ensure that the source port exists
  77         */
  78        if (!lun->lun_sep || !lun->lun_sep->sep_tpg) {
  79                pr_err("Source se_lun->lun_sep or lun->lun_sep->sep"
  80                                "_tpg does not exist\n");
  81                return -EINVAL;
  82        }
  83        se_tpg = lun->lun_sep->sep_tpg;
  84
  85        nacl_ci = &lun_acl_ci->ci_parent->ci_group->cg_item;
  86        tpg_ci = &nacl_ci->ci_group->cg_item;
  87        wwn_ci = &tpg_ci->ci_group->cg_item;
  88        tpg_ci_s = &lun_ci->ci_parent->ci_group->cg_item;
  89        wwn_ci_s = &tpg_ci_s->ci_group->cg_item;
  90        /*
  91         * Make sure the SymLink is going to the same $FABRIC/$WWN/tpgt_$TPGT
  92         */
  93        if (strcmp(config_item_name(wwn_ci), config_item_name(wwn_ci_s))) {
  94                pr_err("Illegal Initiator ACL SymLink outside of %s\n",
  95                        config_item_name(wwn_ci));
  96                return -EINVAL;
  97        }
  98        if (strcmp(config_item_name(tpg_ci), config_item_name(tpg_ci_s))) {
  99                pr_err("Illegal Initiator ACL Symlink outside of %s"
 100                        " TPGT: %s\n", config_item_name(wwn_ci),
 101                        config_item_name(tpg_ci));
 102                return -EINVAL;
 103        }
 104        /*
 105         * If this struct se_node_acl was dynamically generated with
 106         * tpg_1/attrib/generate_node_acls=1, use the existing deve->lun_flags,
 107         * which be will write protected (READ-ONLY) when
 108         * tpg_1/attrib/demo_mode_write_protect=1
 109         */
 110        spin_lock_irq(&lacl->se_lun_nacl->device_list_lock);
 111        deve = lacl->se_lun_nacl->device_list[lacl->mapped_lun];
 112        if (deve->lun_flags & TRANSPORT_LUNFLAGS_INITIATOR_ACCESS)
 113                lun_access = deve->lun_flags;
 114        else
 115                lun_access =
 116                        (se_tpg->se_tpg_tfo->tpg_check_prod_mode_write_protect(
 117                                se_tpg)) ? TRANSPORT_LUNFLAGS_READ_ONLY :
 118                                           TRANSPORT_LUNFLAGS_READ_WRITE;
 119        spin_unlock_irq(&lacl->se_lun_nacl->device_list_lock);
 120        /*
 121         * Determine the actual mapped LUN value user wants..
 122         *
 123         * This value is what the SCSI Initiator actually sees the
 124         * iscsi/$IQN/$TPGT/lun/lun_* as on their SCSI Initiator Ports.
 125         */
 126        ret = core_dev_add_initiator_node_lun_acl(se_tpg, lacl,
 127                        lun->unpacked_lun, lun_access);
 128
 129        return (ret < 0) ? -EINVAL : 0;
 130}
 131
 132static int target_fabric_mappedlun_unlink(
 133        struct config_item *lun_acl_ci,
 134        struct config_item *lun_ci)
 135{
 136        struct se_lun *lun;
 137        struct se_lun_acl *lacl = container_of(to_config_group(lun_acl_ci),
 138                        struct se_lun_acl, se_lun_group);
 139        struct se_node_acl *nacl = lacl->se_lun_nacl;
 140        struct se_dev_entry *deve = nacl->device_list[lacl->mapped_lun];
 141        struct se_portal_group *se_tpg;
 142        /*
 143         * Determine if the underlying MappedLUN has already been released..
 144         */
 145        if (!deve->se_lun)
 146                return 0;
 147
 148        lun = container_of(to_config_group(lun_ci), struct se_lun, lun_group);
 149        se_tpg = lun->lun_sep->sep_tpg;
 150
 151        core_dev_del_initiator_node_lun_acl(se_tpg, lun, lacl);
 152        return 0;
 153}
 154
 155CONFIGFS_EATTR_STRUCT(target_fabric_mappedlun, se_lun_acl);
 156#define TCM_MAPPEDLUN_ATTR(_name, _mode)                                \
 157static struct target_fabric_mappedlun_attribute target_fabric_mappedlun_##_name = \
 158        __CONFIGFS_EATTR(_name, _mode,                                  \
 159        target_fabric_mappedlun_show_##_name,                           \
 160        target_fabric_mappedlun_store_##_name);
 161
 162static ssize_t target_fabric_mappedlun_show_write_protect(
 163        struct se_lun_acl *lacl,
 164        char *page)
 165{
 166        struct se_node_acl *se_nacl = lacl->se_lun_nacl;
 167        struct se_dev_entry *deve;
 168        ssize_t len;
 169
 170        spin_lock_irq(&se_nacl->device_list_lock);
 171        deve = se_nacl->device_list[lacl->mapped_lun];
 172        len = sprintf(page, "%d\n",
 173                        (deve->lun_flags & TRANSPORT_LUNFLAGS_READ_ONLY) ?
 174                        1 : 0);
 175        spin_unlock_irq(&se_nacl->device_list_lock);
 176
 177        return len;
 178}
 179
 180static ssize_t target_fabric_mappedlun_store_write_protect(
 181        struct se_lun_acl *lacl,
 182        const char *page,
 183        size_t count)
 184{
 185        struct se_node_acl *se_nacl = lacl->se_lun_nacl;
 186        struct se_portal_group *se_tpg = se_nacl->se_tpg;
 187        unsigned long op;
 188
 189        if (strict_strtoul(page, 0, &op))
 190                return -EINVAL;
 191
 192        if ((op != 1) && (op != 0))
 193                return -EINVAL;
 194
 195        core_update_device_list_access(lacl->mapped_lun, (op) ?
 196                        TRANSPORT_LUNFLAGS_READ_ONLY :
 197                        TRANSPORT_LUNFLAGS_READ_WRITE,
 198                        lacl->se_lun_nacl);
 199
 200        pr_debug("%s_ConfigFS: Changed Initiator ACL: %s"
 201                " Mapped LUN: %u Write Protect bit to %s\n",
 202                se_tpg->se_tpg_tfo->get_fabric_name(),
 203                lacl->initiatorname, lacl->mapped_lun, (op) ? "ON" : "OFF");
 204
 205        return count;
 206
 207}
 208
 209TCM_MAPPEDLUN_ATTR(write_protect, S_IRUGO | S_IWUSR);
 210
 211CONFIGFS_EATTR_OPS(target_fabric_mappedlun, se_lun_acl, se_lun_group);
 212
 213static void target_fabric_mappedlun_release(struct config_item *item)
 214{
 215        struct se_lun_acl *lacl = container_of(to_config_group(item),
 216                                struct se_lun_acl, se_lun_group);
 217        struct se_portal_group *se_tpg = lacl->se_lun_nacl->se_tpg;
 218
 219        core_dev_free_initiator_node_lun_acl(se_tpg, lacl);
 220}
 221
 222static struct configfs_attribute *target_fabric_mappedlun_attrs[] = {
 223        &target_fabric_mappedlun_write_protect.attr,
 224        NULL,
 225};
 226
 227static struct configfs_item_operations target_fabric_mappedlun_item_ops = {
 228        .release                = target_fabric_mappedlun_release,
 229        .show_attribute         = target_fabric_mappedlun_attr_show,
 230        .store_attribute        = target_fabric_mappedlun_attr_store,
 231        .allow_link             = target_fabric_mappedlun_link,
 232        .drop_link              = target_fabric_mappedlun_unlink,
 233};
 234
 235TF_CIT_SETUP(tpg_mappedlun, &target_fabric_mappedlun_item_ops, NULL,
 236                target_fabric_mappedlun_attrs);
 237
 238/* End of tfc_tpg_mappedlun_cit */
 239
 240/* Start of tfc_tpg_mappedlun_port_cit */
 241
 242static struct config_group *target_core_mappedlun_stat_mkdir(
 243        struct config_group *group,
 244        const char *name)
 245{
 246        return ERR_PTR(-ENOSYS);
 247}
 248
 249static void target_core_mappedlun_stat_rmdir(
 250        struct config_group *group,
 251        struct config_item *item)
 252{
 253        return;
 254}
 255
 256static struct configfs_group_operations target_fabric_mappedlun_stat_group_ops = {
 257        .make_group             = target_core_mappedlun_stat_mkdir,
 258        .drop_item              = target_core_mappedlun_stat_rmdir,
 259};
 260
 261TF_CIT_SETUP(tpg_mappedlun_stat, NULL, &target_fabric_mappedlun_stat_group_ops,
 262                NULL);
 263
 264/* End of tfc_tpg_mappedlun_port_cit */
 265
 266/* Start of tfc_tpg_nacl_attrib_cit */
 267
 268CONFIGFS_EATTR_OPS(target_fabric_nacl_attrib, se_node_acl, acl_attrib_group);
 269
 270static struct configfs_item_operations target_fabric_nacl_attrib_item_ops = {
 271        .show_attribute         = target_fabric_nacl_attrib_attr_show,
 272        .store_attribute        = target_fabric_nacl_attrib_attr_store,
 273};
 274
 275TF_CIT_SETUP(tpg_nacl_attrib, &target_fabric_nacl_attrib_item_ops, NULL, NULL);
 276
 277/* End of tfc_tpg_nacl_attrib_cit */
 278
 279/* Start of tfc_tpg_nacl_auth_cit */
 280
 281CONFIGFS_EATTR_OPS(target_fabric_nacl_auth, se_node_acl, acl_auth_group);
 282
 283static struct configfs_item_operations target_fabric_nacl_auth_item_ops = {
 284        .show_attribute         = target_fabric_nacl_auth_attr_show,
 285        .store_attribute        = target_fabric_nacl_auth_attr_store,
 286};
 287
 288TF_CIT_SETUP(tpg_nacl_auth, &target_fabric_nacl_auth_item_ops, NULL, NULL);
 289
 290/* End of tfc_tpg_nacl_auth_cit */
 291
 292/* Start of tfc_tpg_nacl_param_cit */
 293
 294CONFIGFS_EATTR_OPS(target_fabric_nacl_param, se_node_acl, acl_param_group);
 295
 296static struct configfs_item_operations target_fabric_nacl_param_item_ops = {
 297        .show_attribute         = target_fabric_nacl_param_attr_show,
 298        .store_attribute        = target_fabric_nacl_param_attr_store,
 299};
 300
 301TF_CIT_SETUP(tpg_nacl_param, &target_fabric_nacl_param_item_ops, NULL, NULL);
 302
 303/* End of tfc_tpg_nacl_param_cit */
 304
 305/* Start of tfc_tpg_nacl_base_cit */
 306
 307CONFIGFS_EATTR_OPS(target_fabric_nacl_base, se_node_acl, acl_group);
 308
 309static struct config_group *target_fabric_make_mappedlun(
 310        struct config_group *group,
 311        const char *name)
 312{
 313        struct se_node_acl *se_nacl = container_of(group,
 314                        struct se_node_acl, acl_group);
 315        struct se_portal_group *se_tpg = se_nacl->se_tpg;
 316        struct target_fabric_configfs *tf = se_tpg->se_tpg_wwn->wwn_tf;
 317        struct se_lun_acl *lacl;
 318        struct config_item *acl_ci;
 319        struct config_group *lacl_cg = NULL, *ml_stat_grp = NULL;
 320        char *buf;
 321        unsigned long mapped_lun;
 322        int ret = 0;
 323
 324        acl_ci = &group->cg_item;
 325        if (!acl_ci) {
 326                pr_err("Unable to locatel acl_ci\n");
 327                return NULL;
 328        }
 329
 330        buf = kzalloc(strlen(name) + 1, GFP_KERNEL);
 331        if (!buf) {
 332                pr_err("Unable to allocate memory for name buf\n");
 333                return ERR_PTR(-ENOMEM);
 334        }
 335        snprintf(buf, strlen(name) + 1, "%s", name);
 336        /*
 337         * Make sure user is creating iscsi/$IQN/$TPGT/acls/$INITIATOR/lun_$ID.
 338         */
 339        if (strstr(buf, "lun_") != buf) {
 340                pr_err("Unable to locate \"lun_\" from buf: %s"
 341                        " name: %s\n", buf, name);
 342                ret = -EINVAL;
 343                goto out;
 344        }
 345        /*
 346         * Determine the Mapped LUN value.  This is what the SCSI Initiator
 347         * Port will actually see.
 348         */
 349        if (strict_strtoul(buf + 4, 0, &mapped_lun) || mapped_lun > UINT_MAX) {
 350                ret = -EINVAL;
 351                goto out;
 352        }
 353
 354        lacl = core_dev_init_initiator_node_lun_acl(se_tpg, mapped_lun,
 355                        config_item_name(acl_ci), &ret);
 356        if (!lacl) {
 357                ret = -EINVAL;
 358                goto out;
 359        }
 360
 361        lacl_cg = &lacl->se_lun_group;
 362        lacl_cg->default_groups = kzalloc(sizeof(struct config_group) * 2,
 363                                GFP_KERNEL);
 364        if (!lacl_cg->default_groups) {
 365                pr_err("Unable to allocate lacl_cg->default_groups\n");
 366                ret = -ENOMEM;
 367                goto out;
 368        }
 369
 370        config_group_init_type_name(&lacl->se_lun_group, name,
 371                        &TF_CIT_TMPL(tf)->tfc_tpg_mappedlun_cit);
 372        config_group_init_type_name(&lacl->ml_stat_grps.stat_group,
 373                        "statistics", &TF_CIT_TMPL(tf)->tfc_tpg_mappedlun_stat_cit);
 374        lacl_cg->default_groups[0] = &lacl->ml_stat_grps.stat_group;
 375        lacl_cg->default_groups[1] = NULL;
 376
 377        ml_stat_grp = &lacl->ml_stat_grps.stat_group;
 378        ml_stat_grp->default_groups = kzalloc(sizeof(struct config_group) * 3,
 379                                GFP_KERNEL);
 380        if (!ml_stat_grp->default_groups) {
 381                pr_err("Unable to allocate ml_stat_grp->default_groups\n");
 382                ret = -ENOMEM;
 383                goto out;
 384        }
 385        target_stat_setup_mappedlun_default_groups(lacl);
 386
 387        kfree(buf);
 388        return &lacl->se_lun_group;
 389out:
 390        if (lacl_cg)
 391                kfree(lacl_cg->default_groups);
 392        kfree(buf);
 393        return ERR_PTR(ret);
 394}
 395
 396static void target_fabric_drop_mappedlun(
 397        struct config_group *group,
 398        struct config_item *item)
 399{
 400        struct se_lun_acl *lacl = container_of(to_config_group(item),
 401                        struct se_lun_acl, se_lun_group);
 402        struct config_item *df_item;
 403        struct config_group *lacl_cg = NULL, *ml_stat_grp = NULL;
 404        int i;
 405
 406        ml_stat_grp = &lacl->ml_stat_grps.stat_group;
 407        for (i = 0; ml_stat_grp->default_groups[i]; i++) {
 408                df_item = &ml_stat_grp->default_groups[i]->cg_item;
 409                ml_stat_grp->default_groups[i] = NULL;
 410                config_item_put(df_item);
 411        }
 412        kfree(ml_stat_grp->default_groups);
 413
 414        lacl_cg = &lacl->se_lun_group;
 415        for (i = 0; lacl_cg->default_groups[i]; i++) {
 416                df_item = &lacl_cg->default_groups[i]->cg_item;
 417                lacl_cg->default_groups[i] = NULL;
 418                config_item_put(df_item);
 419        }
 420        kfree(lacl_cg->default_groups);
 421
 422        config_item_put(item);
 423}
 424
 425static void target_fabric_nacl_base_release(struct config_item *item)
 426{
 427        struct se_node_acl *se_nacl = container_of(to_config_group(item),
 428                        struct se_node_acl, acl_group);
 429        struct se_portal_group *se_tpg = se_nacl->se_tpg;
 430        struct target_fabric_configfs *tf = se_tpg->se_tpg_wwn->wwn_tf;
 431
 432        tf->tf_ops.fabric_drop_nodeacl(se_nacl);
 433}
 434
 435static struct configfs_item_operations target_fabric_nacl_base_item_ops = {
 436        .release                = target_fabric_nacl_base_release,
 437        .show_attribute         = target_fabric_nacl_base_attr_show,
 438        .store_attribute        = target_fabric_nacl_base_attr_store,
 439};
 440
 441static struct configfs_group_operations target_fabric_nacl_base_group_ops = {
 442        .make_group             = target_fabric_make_mappedlun,
 443        .drop_item              = target_fabric_drop_mappedlun,
 444};
 445
 446TF_CIT_SETUP(tpg_nacl_base, &target_fabric_nacl_base_item_ops,
 447                &target_fabric_nacl_base_group_ops, NULL);
 448
 449/* End of tfc_tpg_nacl_base_cit */
 450
 451/* Start of tfc_node_fabric_stats_cit */
 452/*
 453 * This is used as a placeholder for struct se_node_acl->acl_fabric_stat_group
 454 * to allow fabrics access to ->acl_fabric_stat_group->default_groups[]
 455 */
 456TF_CIT_SETUP(tpg_nacl_stat, NULL, NULL, NULL);
 457
 458/* End of tfc_wwn_fabric_stats_cit */
 459
 460/* Start of tfc_tpg_nacl_cit */
 461
 462static struct config_group *target_fabric_make_nodeacl(
 463        struct config_group *group,
 464        const char *name)
 465{
 466        struct se_portal_group *se_tpg = container_of(group,
 467                        struct se_portal_group, tpg_acl_group);
 468        struct target_fabric_configfs *tf = se_tpg->se_tpg_wwn->wwn_tf;
 469        struct se_node_acl *se_nacl;
 470        struct config_group *nacl_cg;
 471
 472        if (!tf->tf_ops.fabric_make_nodeacl) {
 473                pr_err("tf->tf_ops.fabric_make_nodeacl is NULL\n");
 474                return ERR_PTR(-ENOSYS);
 475        }
 476
 477        se_nacl = tf->tf_ops.fabric_make_nodeacl(se_tpg, group, name);
 478        if (IS_ERR(se_nacl))
 479                return ERR_CAST(se_nacl);
 480
 481        nacl_cg = &se_nacl->acl_group;
 482        nacl_cg->default_groups = se_nacl->acl_default_groups;
 483        nacl_cg->default_groups[0] = &se_nacl->acl_attrib_group;
 484        nacl_cg->default_groups[1] = &se_nacl->acl_auth_group;
 485        nacl_cg->default_groups[2] = &se_nacl->acl_param_group;
 486        nacl_cg->default_groups[3] = &se_nacl->acl_fabric_stat_group;
 487        nacl_cg->default_groups[4] = NULL;
 488
 489        config_group_init_type_name(&se_nacl->acl_group, name,
 490                        &TF_CIT_TMPL(tf)->tfc_tpg_nacl_base_cit);
 491        config_group_init_type_name(&se_nacl->acl_attrib_group, "attrib",
 492                        &TF_CIT_TMPL(tf)->tfc_tpg_nacl_attrib_cit);
 493        config_group_init_type_name(&se_nacl->acl_auth_group, "auth",
 494                        &TF_CIT_TMPL(tf)->tfc_tpg_nacl_auth_cit);
 495        config_group_init_type_name(&se_nacl->acl_param_group, "param",
 496                        &TF_CIT_TMPL(tf)->tfc_tpg_nacl_param_cit);
 497        config_group_init_type_name(&se_nacl->acl_fabric_stat_group,
 498                        "fabric_statistics",
 499                        &TF_CIT_TMPL(tf)->tfc_tpg_nacl_stat_cit);
 500
 501        return &se_nacl->acl_group;
 502}
 503
 504static void target_fabric_drop_nodeacl(
 505        struct config_group *group,
 506        struct config_item *item)
 507{
 508        struct se_node_acl *se_nacl = container_of(to_config_group(item),
 509                        struct se_node_acl, acl_group);
 510        struct config_item *df_item;
 511        struct config_group *nacl_cg;
 512        int i;
 513
 514        nacl_cg = &se_nacl->acl_group;
 515        for (i = 0; nacl_cg->default_groups[i]; i++) {
 516                df_item = &nacl_cg->default_groups[i]->cg_item;
 517                nacl_cg->default_groups[i] = NULL;
 518                config_item_put(df_item);
 519        }
 520        /*
 521         * struct se_node_acl free is done in target_fabric_nacl_base_release()
 522         */
 523        config_item_put(item);
 524}
 525
 526static struct configfs_group_operations target_fabric_nacl_group_ops = {
 527        .make_group     = target_fabric_make_nodeacl,
 528        .drop_item      = target_fabric_drop_nodeacl,
 529};
 530
 531TF_CIT_SETUP(tpg_nacl, NULL, &target_fabric_nacl_group_ops, NULL);
 532
 533/* End of tfc_tpg_nacl_cit */
 534
 535/* Start of tfc_tpg_np_base_cit */
 536
 537CONFIGFS_EATTR_OPS(target_fabric_np_base, se_tpg_np, tpg_np_group);
 538
 539static void target_fabric_np_base_release(struct config_item *item)
 540{
 541        struct se_tpg_np *se_tpg_np = container_of(to_config_group(item),
 542                                struct se_tpg_np, tpg_np_group);
 543        struct se_portal_group *se_tpg = se_tpg_np->tpg_np_parent;
 544        struct target_fabric_configfs *tf = se_tpg->se_tpg_wwn->wwn_tf;
 545
 546        tf->tf_ops.fabric_drop_np(se_tpg_np);
 547}
 548
 549static struct configfs_item_operations target_fabric_np_base_item_ops = {
 550        .release                = target_fabric_np_base_release,
 551        .show_attribute         = target_fabric_np_base_attr_show,
 552        .store_attribute        = target_fabric_np_base_attr_store,
 553};
 554
 555TF_CIT_SETUP(tpg_np_base, &target_fabric_np_base_item_ops, NULL, NULL);
 556
 557/* End of tfc_tpg_np_base_cit */
 558
 559/* Start of tfc_tpg_np_cit */
 560
 561static struct config_group *target_fabric_make_np(
 562        struct config_group *group,
 563        const char *name)
 564{
 565        struct se_portal_group *se_tpg = container_of(group,
 566                                struct se_portal_group, tpg_np_group);
 567        struct target_fabric_configfs *tf = se_tpg->se_tpg_wwn->wwn_tf;
 568        struct se_tpg_np *se_tpg_np;
 569
 570        if (!tf->tf_ops.fabric_make_np) {
 571                pr_err("tf->tf_ops.fabric_make_np is NULL\n");
 572                return ERR_PTR(-ENOSYS);
 573        }
 574
 575        se_tpg_np = tf->tf_ops.fabric_make_np(se_tpg, group, name);
 576        if (!se_tpg_np || IS_ERR(se_tpg_np))
 577                return ERR_PTR(-EINVAL);
 578
 579        se_tpg_np->tpg_np_parent = se_tpg;
 580        config_group_init_type_name(&se_tpg_np->tpg_np_group, name,
 581                        &TF_CIT_TMPL(tf)->tfc_tpg_np_base_cit);
 582
 583        return &se_tpg_np->tpg_np_group;
 584}
 585
 586static void target_fabric_drop_np(
 587        struct config_group *group,
 588        struct config_item *item)
 589{
 590        /*
 591         * struct se_tpg_np is released via target_fabric_np_base_release()
 592         */
 593        config_item_put(item);
 594}
 595
 596static struct configfs_group_operations target_fabric_np_group_ops = {
 597        .make_group     = &target_fabric_make_np,
 598        .drop_item      = &target_fabric_drop_np,
 599};
 600
 601TF_CIT_SETUP(tpg_np, NULL, &target_fabric_np_group_ops, NULL);
 602
 603/* End of tfc_tpg_np_cit */
 604
 605/* Start of tfc_tpg_port_cit */
 606
 607CONFIGFS_EATTR_STRUCT(target_fabric_port, se_lun);
 608#define TCM_PORT_ATTR(_name, _mode)                                     \
 609static struct target_fabric_port_attribute target_fabric_port_##_name = \
 610        __CONFIGFS_EATTR(_name, _mode,                                  \
 611        target_fabric_port_show_attr_##_name,                           \
 612        target_fabric_port_store_attr_##_name);
 613
 614#define TCM_PORT_ATTOR_RO(_name)                                        \
 615        __CONFIGFS_EATTR_RO(_name,                                      \
 616        target_fabric_port_show_attr_##_name);
 617
 618/*
 619 * alua_tg_pt_gp
 620 */
 621static ssize_t target_fabric_port_show_attr_alua_tg_pt_gp(
 622        struct se_lun *lun,
 623        char *page)
 624{
 625        if (!lun || !lun->lun_sep)
 626                return -ENODEV;
 627
 628        return core_alua_show_tg_pt_gp_info(lun->lun_sep, page);
 629}
 630
 631static ssize_t target_fabric_port_store_attr_alua_tg_pt_gp(
 632        struct se_lun *lun,
 633        const char *page,
 634        size_t count)
 635{
 636        if (!lun || !lun->lun_sep)
 637                return -ENODEV;
 638
 639        return core_alua_store_tg_pt_gp_info(lun->lun_sep, page, count);
 640}
 641
 642TCM_PORT_ATTR(alua_tg_pt_gp, S_IRUGO | S_IWUSR);
 643
 644/*
 645 * alua_tg_pt_offline
 646 */
 647static ssize_t target_fabric_port_show_attr_alua_tg_pt_offline(
 648        struct se_lun *lun,
 649        char *page)
 650{
 651        if (!lun || !lun->lun_sep)
 652                return -ENODEV;
 653
 654        return core_alua_show_offline_bit(lun, page);
 655}
 656
 657static ssize_t target_fabric_port_store_attr_alua_tg_pt_offline(
 658        struct se_lun *lun,
 659        const char *page,
 660        size_t count)
 661{
 662        if (!lun || !lun->lun_sep)
 663                return -ENODEV;
 664
 665        return core_alua_store_offline_bit(lun, page, count);
 666}
 667
 668TCM_PORT_ATTR(alua_tg_pt_offline, S_IRUGO | S_IWUSR);
 669
 670/*
 671 * alua_tg_pt_status
 672 */
 673static ssize_t target_fabric_port_show_attr_alua_tg_pt_status(
 674        struct se_lun *lun,
 675        char *page)
 676{
 677        if (!lun || !lun->lun_sep)
 678                return -ENODEV;
 679
 680        return core_alua_show_secondary_status(lun, page);
 681}
 682
 683static ssize_t target_fabric_port_store_attr_alua_tg_pt_status(
 684        struct se_lun *lun,
 685        const char *page,
 686        size_t count)
 687{
 688        if (!lun || !lun->lun_sep)
 689                return -ENODEV;
 690
 691        return core_alua_store_secondary_status(lun, page, count);
 692}
 693
 694TCM_PORT_ATTR(alua_tg_pt_status, S_IRUGO | S_IWUSR);
 695
 696/*
 697 * alua_tg_pt_write_md
 698 */
 699static ssize_t target_fabric_port_show_attr_alua_tg_pt_write_md(
 700        struct se_lun *lun,
 701        char *page)
 702{
 703        if (!lun || !lun->lun_sep)
 704                return -ENODEV;
 705
 706        return core_alua_show_secondary_write_metadata(lun, page);
 707}
 708
 709static ssize_t target_fabric_port_store_attr_alua_tg_pt_write_md(
 710        struct se_lun *lun,
 711        const char *page,
 712        size_t count)
 713{
 714        if (!lun || !lun->lun_sep)
 715                return -ENODEV;
 716
 717        return core_alua_store_secondary_write_metadata(lun, page, count);
 718}
 719
 720TCM_PORT_ATTR(alua_tg_pt_write_md, S_IRUGO | S_IWUSR);
 721
 722
 723static struct configfs_attribute *target_fabric_port_attrs[] = {
 724        &target_fabric_port_alua_tg_pt_gp.attr,
 725        &target_fabric_port_alua_tg_pt_offline.attr,
 726        &target_fabric_port_alua_tg_pt_status.attr,
 727        &target_fabric_port_alua_tg_pt_write_md.attr,
 728        NULL,
 729};
 730
 731CONFIGFS_EATTR_OPS(target_fabric_port, se_lun, lun_group);
 732
 733static int target_fabric_port_link(
 734        struct config_item *lun_ci,
 735        struct config_item *se_dev_ci)
 736{
 737        struct config_item *tpg_ci;
 738        struct se_device *dev;
 739        struct se_lun *lun = container_of(to_config_group(lun_ci),
 740                                struct se_lun, lun_group);
 741        struct se_lun *lun_p;
 742        struct se_portal_group *se_tpg;
 743        struct se_subsystem_dev *se_dev = container_of(
 744                                to_config_group(se_dev_ci), struct se_subsystem_dev,
 745                                se_dev_group);
 746        struct target_fabric_configfs *tf;
 747        int ret;
 748
 749        tpg_ci = &lun_ci->ci_parent->ci_group->cg_item;
 750        se_tpg = container_of(to_config_group(tpg_ci),
 751                                struct se_portal_group, tpg_group);
 752        tf = se_tpg->se_tpg_wwn->wwn_tf;
 753
 754        if (lun->lun_se_dev !=  NULL) {
 755                pr_err("Port Symlink already exists\n");
 756                return -EEXIST;
 757        }
 758
 759        dev = se_dev->se_dev_ptr;
 760        if (!dev) {
 761                pr_err("Unable to locate struct se_device pointer from"
 762                        " %s\n", config_item_name(se_dev_ci));
 763                ret = -ENODEV;
 764                goto out;
 765        }
 766
 767        lun_p = core_dev_add_lun(se_tpg, dev, lun->unpacked_lun);
 768        if (IS_ERR(lun_p)) {
 769                pr_err("core_dev_add_lun() failed\n");
 770                ret = PTR_ERR(lun_p);
 771                goto out;
 772        }
 773
 774        if (tf->tf_ops.fabric_post_link) {
 775                /*
 776                 * Call the optional fabric_post_link() to allow a
 777                 * fabric module to setup any additional state once
 778                 * core_dev_add_lun() has been called..
 779                 */
 780                tf->tf_ops.fabric_post_link(se_tpg, lun);
 781        }
 782
 783        return 0;
 784out:
 785        return ret;
 786}
 787
 788static int target_fabric_port_unlink(
 789        struct config_item *lun_ci,
 790        struct config_item *se_dev_ci)
 791{
 792        struct se_lun *lun = container_of(to_config_group(lun_ci),
 793                                struct se_lun, lun_group);
 794        struct se_portal_group *se_tpg = lun->lun_sep->sep_tpg;
 795        struct target_fabric_configfs *tf = se_tpg->se_tpg_wwn->wwn_tf;
 796
 797        if (tf->tf_ops.fabric_pre_unlink) {
 798                /*
 799                 * Call the optional fabric_pre_unlink() to allow a
 800                 * fabric module to release any additional stat before
 801                 * core_dev_del_lun() is called.
 802                */
 803                tf->tf_ops.fabric_pre_unlink(se_tpg, lun);
 804        }
 805
 806        core_dev_del_lun(se_tpg, lun->unpacked_lun);
 807        return 0;
 808}
 809
 810static struct configfs_item_operations target_fabric_port_item_ops = {
 811        .show_attribute         = target_fabric_port_attr_show,
 812        .store_attribute        = target_fabric_port_attr_store,
 813        .allow_link             = target_fabric_port_link,
 814        .drop_link              = target_fabric_port_unlink,
 815};
 816
 817TF_CIT_SETUP(tpg_port, &target_fabric_port_item_ops, NULL, target_fabric_port_attrs);
 818
 819/* End of tfc_tpg_port_cit */
 820
 821/* Start of tfc_tpg_port_stat_cit */
 822
 823static struct config_group *target_core_port_stat_mkdir(
 824        struct config_group *group,
 825        const char *name)
 826{
 827        return ERR_PTR(-ENOSYS);
 828}
 829
 830static void target_core_port_stat_rmdir(
 831        struct config_group *group,
 832        struct config_item *item)
 833{
 834        return;
 835}
 836
 837static struct configfs_group_operations target_fabric_port_stat_group_ops = {
 838        .make_group             = target_core_port_stat_mkdir,
 839        .drop_item              = target_core_port_stat_rmdir,
 840};
 841
 842TF_CIT_SETUP(tpg_port_stat, NULL, &target_fabric_port_stat_group_ops, NULL);
 843
 844/* End of tfc_tpg_port_stat_cit */
 845
 846/* Start of tfc_tpg_lun_cit */
 847
 848static struct config_group *target_fabric_make_lun(
 849        struct config_group *group,
 850        const char *name)
 851{
 852        struct se_lun *lun;
 853        struct se_portal_group *se_tpg = container_of(group,
 854                        struct se_portal_group, tpg_lun_group);
 855        struct target_fabric_configfs *tf = se_tpg->se_tpg_wwn->wwn_tf;
 856        struct config_group *lun_cg = NULL, *port_stat_grp = NULL;
 857        unsigned long unpacked_lun;
 858        int errno;
 859
 860        if (strstr(name, "lun_") != name) {
 861                pr_err("Unable to locate \'_\" in"
 862                                " \"lun_$LUN_NUMBER\"\n");
 863                return ERR_PTR(-EINVAL);
 864        }
 865        if (strict_strtoul(name + 4, 0, &unpacked_lun) || unpacked_lun > UINT_MAX)
 866                return ERR_PTR(-EINVAL);
 867
 868        lun = core_get_lun_from_tpg(se_tpg, unpacked_lun);
 869        if (!lun)
 870                return ERR_PTR(-EINVAL);
 871
 872        lun_cg = &lun->lun_group;
 873        lun_cg->default_groups = kzalloc(sizeof(struct config_group) * 2,
 874                                GFP_KERNEL);
 875        if (!lun_cg->default_groups) {
 876                pr_err("Unable to allocate lun_cg->default_groups\n");
 877                return ERR_PTR(-ENOMEM);
 878        }
 879
 880        config_group_init_type_name(&lun->lun_group, name,
 881                        &TF_CIT_TMPL(tf)->tfc_tpg_port_cit);
 882        config_group_init_type_name(&lun->port_stat_grps.stat_group,
 883                        "statistics", &TF_CIT_TMPL(tf)->tfc_tpg_port_stat_cit);
 884        lun_cg->default_groups[0] = &lun->port_stat_grps.stat_group;
 885        lun_cg->default_groups[1] = NULL;
 886
 887        port_stat_grp = &lun->port_stat_grps.stat_group;
 888        port_stat_grp->default_groups =  kzalloc(sizeof(struct config_group) * 3,
 889                                GFP_KERNEL);
 890        if (!port_stat_grp->default_groups) {
 891                pr_err("Unable to allocate port_stat_grp->default_groups\n");
 892                errno = -ENOMEM;
 893                goto out;
 894        }
 895        target_stat_setup_port_default_groups(lun);
 896
 897        return &lun->lun_group;
 898out:
 899        if (lun_cg)
 900                kfree(lun_cg->default_groups);
 901        return ERR_PTR(errno);
 902}
 903
 904static void target_fabric_drop_lun(
 905        struct config_group *group,
 906        struct config_item *item)
 907{
 908        struct se_lun *lun = container_of(to_config_group(item),
 909                                struct se_lun, lun_group);
 910        struct config_item *df_item;
 911        struct config_group *lun_cg, *port_stat_grp;
 912        int i;
 913
 914        port_stat_grp = &lun->port_stat_grps.stat_group;
 915        for (i = 0; port_stat_grp->default_groups[i]; i++) {
 916                df_item = &port_stat_grp->default_groups[i]->cg_item;
 917                port_stat_grp->default_groups[i] = NULL;
 918                config_item_put(df_item);
 919        }
 920        kfree(port_stat_grp->default_groups);
 921
 922        lun_cg = &lun->lun_group;
 923        for (i = 0; lun_cg->default_groups[i]; i++) {
 924                df_item = &lun_cg->default_groups[i]->cg_item;
 925                lun_cg->default_groups[i] = NULL;
 926                config_item_put(df_item);
 927        }
 928        kfree(lun_cg->default_groups);
 929
 930        config_item_put(item);
 931}
 932
 933static struct configfs_group_operations target_fabric_lun_group_ops = {
 934        .make_group     = &target_fabric_make_lun,
 935        .drop_item      = &target_fabric_drop_lun,
 936};
 937
 938TF_CIT_SETUP(tpg_lun, NULL, &target_fabric_lun_group_ops, NULL);
 939
 940/* End of tfc_tpg_lun_cit */
 941
 942/* Start of tfc_tpg_attrib_cit */
 943
 944CONFIGFS_EATTR_OPS(target_fabric_tpg_attrib, se_portal_group, tpg_attrib_group);
 945
 946static struct configfs_item_operations target_fabric_tpg_attrib_item_ops = {
 947        .show_attribute         = target_fabric_tpg_attrib_attr_show,
 948        .store_attribute        = target_fabric_tpg_attrib_attr_store,
 949};
 950
 951TF_CIT_SETUP(tpg_attrib, &target_fabric_tpg_attrib_item_ops, NULL, NULL);
 952
 953/* End of tfc_tpg_attrib_cit */
 954
 955/* Start of tfc_tpg_param_cit */
 956
 957CONFIGFS_EATTR_OPS(target_fabric_tpg_param, se_portal_group, tpg_param_group);
 958
 959static struct configfs_item_operations target_fabric_tpg_param_item_ops = {
 960        .show_attribute         = target_fabric_tpg_param_attr_show,
 961        .store_attribute        = target_fabric_tpg_param_attr_store,
 962};
 963
 964TF_CIT_SETUP(tpg_param, &target_fabric_tpg_param_item_ops, NULL, NULL);
 965
 966/* End of tfc_tpg_param_cit */
 967
 968/* Start of tfc_tpg_base_cit */
 969/*
 970 * For use with TF_TPG_ATTR() and TF_TPG_ATTR_RO()
 971 */
 972CONFIGFS_EATTR_OPS(target_fabric_tpg, se_portal_group, tpg_group);
 973
 974static void target_fabric_tpg_release(struct config_item *item)
 975{
 976        struct se_portal_group *se_tpg = container_of(to_config_group(item),
 977                        struct se_portal_group, tpg_group);
 978        struct se_wwn *wwn = se_tpg->se_tpg_wwn;
 979        struct target_fabric_configfs *tf = wwn->wwn_tf;
 980
 981        tf->tf_ops.fabric_drop_tpg(se_tpg);
 982}
 983
 984static struct configfs_item_operations target_fabric_tpg_base_item_ops = {
 985        .release                = target_fabric_tpg_release,
 986        .show_attribute         = target_fabric_tpg_attr_show,
 987        .store_attribute        = target_fabric_tpg_attr_store,
 988};
 989
 990TF_CIT_SETUP(tpg_base, &target_fabric_tpg_base_item_ops, NULL, NULL);
 991
 992/* End of tfc_tpg_base_cit */
 993
 994/* Start of tfc_tpg_cit */
 995
 996static struct config_group *target_fabric_make_tpg(
 997        struct config_group *group,
 998        const char *name)
 999{
1000        struct se_wwn *wwn = container_of(group, struct se_wwn, wwn_group);
1001        struct target_fabric_configfs *tf = wwn->wwn_tf;
1002        struct se_portal_group *se_tpg;
1003
1004        if (!tf->tf_ops.fabric_make_tpg) {
1005                pr_err("tf->tf_ops.fabric_make_tpg is NULL\n");
1006                return ERR_PTR(-ENOSYS);
1007        }
1008
1009        se_tpg = tf->tf_ops.fabric_make_tpg(wwn, group, name);
1010        if (!se_tpg || IS_ERR(se_tpg))
1011                return ERR_PTR(-EINVAL);
1012        /*
1013         * Setup default groups from pre-allocated se_tpg->tpg_default_groups
1014         */
1015        se_tpg->tpg_group.default_groups = se_tpg->tpg_default_groups;
1016        se_tpg->tpg_group.default_groups[0] = &se_tpg->tpg_lun_group;
1017        se_tpg->tpg_group.default_groups[1] = &se_tpg->tpg_np_group;
1018        se_tpg->tpg_group.default_groups[2] = &se_tpg->tpg_acl_group;
1019        se_tpg->tpg_group.default_groups[3] = &se_tpg->tpg_attrib_group;
1020        se_tpg->tpg_group.default_groups[4] = &se_tpg->tpg_param_group;
1021        se_tpg->tpg_group.default_groups[5] = NULL;
1022
1023        config_group_init_type_name(&se_tpg->tpg_group, name,
1024                        &TF_CIT_TMPL(tf)->tfc_tpg_base_cit);
1025        config_group_init_type_name(&se_tpg->tpg_lun_group, "lun",
1026                        &TF_CIT_TMPL(tf)->tfc_tpg_lun_cit);
1027        config_group_init_type_name(&se_tpg->tpg_np_group, "np",
1028                        &TF_CIT_TMPL(tf)->tfc_tpg_np_cit);
1029        config_group_init_type_name(&se_tpg->tpg_acl_group, "acls",
1030                        &TF_CIT_TMPL(tf)->tfc_tpg_nacl_cit);
1031        config_group_init_type_name(&se_tpg->tpg_attrib_group, "attrib",
1032                        &TF_CIT_TMPL(tf)->tfc_tpg_attrib_cit);
1033        config_group_init_type_name(&se_tpg->tpg_param_group, "param",
1034                        &TF_CIT_TMPL(tf)->tfc_tpg_param_cit);
1035
1036        return &se_tpg->tpg_group;
1037}
1038
1039static void target_fabric_drop_tpg(
1040        struct config_group *group,
1041        struct config_item *item)
1042{
1043        struct se_portal_group *se_tpg = container_of(to_config_group(item),
1044                                struct se_portal_group, tpg_group);
1045        struct config_group *tpg_cg = &se_tpg->tpg_group;
1046        struct config_item *df_item;
1047        int i;
1048        /*
1049         * Release default groups, but do not release tpg_cg->default_groups
1050         * memory as it is statically allocated at se_tpg->tpg_default_groups.
1051         */
1052        for (i = 0; tpg_cg->default_groups[i]; i++) {
1053                df_item = &tpg_cg->default_groups[i]->cg_item;
1054                tpg_cg->default_groups[i] = NULL;
1055                config_item_put(df_item);
1056        }
1057
1058        config_item_put(item);
1059}
1060
1061static void target_fabric_release_wwn(struct config_item *item)
1062{
1063        struct se_wwn *wwn = container_of(to_config_group(item),
1064                                struct se_wwn, wwn_group);
1065        struct target_fabric_configfs *tf = wwn->wwn_tf;
1066
1067        tf->tf_ops.fabric_drop_wwn(wwn);
1068}
1069
1070static struct configfs_item_operations target_fabric_tpg_item_ops = {
1071        .release        = target_fabric_release_wwn,
1072};
1073
1074static struct configfs_group_operations target_fabric_tpg_group_ops = {
1075        .make_group     = target_fabric_make_tpg,
1076        .drop_item      = target_fabric_drop_tpg,
1077};
1078
1079TF_CIT_SETUP(tpg, &target_fabric_tpg_item_ops, &target_fabric_tpg_group_ops,
1080                NULL);
1081
1082/* End of tfc_tpg_cit */
1083
1084/* Start of tfc_wwn_fabric_stats_cit */
1085/*
1086 * This is used as a placeholder for struct se_wwn->fabric_stat_group
1087 * to allow fabrics access to ->fabric_stat_group->default_groups[]
1088 */
1089TF_CIT_SETUP(wwn_fabric_stats, NULL, NULL, NULL);
1090
1091/* End of tfc_wwn_fabric_stats_cit */
1092
1093/* Start of tfc_wwn_cit */
1094
1095static struct config_group *target_fabric_make_wwn(
1096        struct config_group *group,
1097        const char *name)
1098{
1099        struct target_fabric_configfs *tf = container_of(group,
1100                                struct target_fabric_configfs, tf_group);
1101        struct se_wwn *wwn;
1102
1103        if (!tf->tf_ops.fabric_make_wwn) {
1104                pr_err("tf->tf_ops.fabric_make_wwn is NULL\n");
1105                return ERR_PTR(-ENOSYS);
1106        }
1107
1108        wwn = tf->tf_ops.fabric_make_wwn(tf, group, name);
1109        if (!wwn || IS_ERR(wwn))
1110                return ERR_PTR(-EINVAL);
1111
1112        wwn->wwn_tf = tf;
1113        /*
1114         * Setup default groups from pre-allocated wwn->wwn_default_groups
1115         */
1116        wwn->wwn_group.default_groups = wwn->wwn_default_groups;
1117        wwn->wwn_group.default_groups[0] = &wwn->fabric_stat_group;
1118        wwn->wwn_group.default_groups[1] = NULL;
1119
1120        config_group_init_type_name(&wwn->wwn_group, name,
1121                        &TF_CIT_TMPL(tf)->tfc_tpg_cit);
1122        config_group_init_type_name(&wwn->fabric_stat_group, "fabric_statistics",
1123                        &TF_CIT_TMPL(tf)->tfc_wwn_fabric_stats_cit);
1124
1125        return &wwn->wwn_group;
1126}
1127
1128static void target_fabric_drop_wwn(
1129        struct config_group *group,
1130        struct config_item *item)
1131{
1132        struct se_wwn *wwn = container_of(to_config_group(item),
1133                                struct se_wwn, wwn_group);
1134        struct config_item *df_item;
1135        struct config_group *cg = &wwn->wwn_group;
1136        int i;
1137
1138        for (i = 0; cg->default_groups[i]; i++) {
1139                df_item = &cg->default_groups[i]->cg_item;
1140                cg->default_groups[i] = NULL;
1141                config_item_put(df_item);
1142        }
1143
1144        config_item_put(item);
1145}
1146
1147static struct configfs_group_operations target_fabric_wwn_group_ops = {
1148        .make_group     = target_fabric_make_wwn,
1149        .drop_item      = target_fabric_drop_wwn,
1150};
1151/*
1152 * For use with TF_WWN_ATTR() and TF_WWN_ATTR_RO()
1153 */
1154CONFIGFS_EATTR_OPS(target_fabric_wwn, target_fabric_configfs, tf_group);
1155
1156static struct configfs_item_operations target_fabric_wwn_item_ops = {
1157        .show_attribute         = target_fabric_wwn_attr_show,
1158        .store_attribute        = target_fabric_wwn_attr_store,
1159};
1160
1161TF_CIT_SETUP(wwn, &target_fabric_wwn_item_ops, &target_fabric_wwn_group_ops, NULL);
1162
1163/* End of tfc_wwn_cit */
1164
1165/* Start of tfc_discovery_cit */
1166
1167CONFIGFS_EATTR_OPS(target_fabric_discovery, target_fabric_configfs,
1168                tf_disc_group);
1169
1170static struct configfs_item_operations target_fabric_discovery_item_ops = {
1171        .show_attribute         = target_fabric_discovery_attr_show,
1172        .store_attribute        = target_fabric_discovery_attr_store,
1173};
1174
1175TF_CIT_SETUP(discovery, &target_fabric_discovery_item_ops, NULL, NULL);
1176
1177/* End of tfc_discovery_cit */
1178
1179int target_fabric_setup_cits(struct target_fabric_configfs *tf)
1180{
1181        target_fabric_setup_discovery_cit(tf);
1182        target_fabric_setup_wwn_cit(tf);
1183        target_fabric_setup_wwn_fabric_stats_cit(tf);
1184        target_fabric_setup_tpg_cit(tf);
1185        target_fabric_setup_tpg_base_cit(tf);
1186        target_fabric_setup_tpg_port_cit(tf);
1187        target_fabric_setup_tpg_port_stat_cit(tf);
1188        target_fabric_setup_tpg_lun_cit(tf);
1189        target_fabric_setup_tpg_np_cit(tf);
1190        target_fabric_setup_tpg_np_base_cit(tf);
1191        target_fabric_setup_tpg_attrib_cit(tf);
1192        target_fabric_setup_tpg_param_cit(tf);
1193        target_fabric_setup_tpg_nacl_cit(tf);
1194        target_fabric_setup_tpg_nacl_base_cit(tf);
1195        target_fabric_setup_tpg_nacl_attrib_cit(tf);
1196        target_fabric_setup_tpg_nacl_auth_cit(tf);
1197        target_fabric_setup_tpg_nacl_param_cit(tf);
1198        target_fabric_setup_tpg_nacl_stat_cit(tf);
1199        target_fabric_setup_tpg_mappedlun_cit(tf);
1200        target_fabric_setup_tpg_mappedlun_stat_cit(tf);
1201
1202        return 0;
1203}
1204
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