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 * (c) Copyright 2010-2013 Datera, Inc. 8 * 9 * Nicholas A. Bellinger <nab@linux-iscsi.org> 10 * 11 * This program is free software; you can redistribute it and/or modify 12 * it under the terms of the GNU General Public License as published by 13 * the Free Software Foundation; either version 2 of the License, or 14 * (at your option) any later version. 15 * 16 * This program is distributed in the hope that it will be useful, 17 * but WITHOUT ANY WARRANTY; without even the implied warranty of 18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 19 * GNU General Public License for more details. 20 ****************************************************************************/ 21 22 #include <linux/module.h> 23 #include <linux/moduleparam.h> 24 #include <linux/utsname.h> 25 #include <linux/init.h> 26 #include <linux/fs.h> 27 #include <linux/namei.h> 28 #include <linux/slab.h> 29 #include <linux/types.h> 30 #include <linux/delay.h> 31 #include <linux/unistd.h> 32 #include <linux/string.h> 33 #include <linux/syscalls.h> 34 #include <linux/configfs.h> 35 36 #include <target/target_core_base.h> 37 #include <target/target_core_fabric.h> 38 #include <target/target_core_fabric_configfs.h> 39 #include <target/target_core_configfs.h> 40 #include <target/configfs_macros.h> 41 42 #include "target_core_internal.h" 43 #include "target_core_alua.h" 44 #include "target_core_pr.h" 45 46 #define TF_CIT_SETUP(_name, _item_ops, _group_ops, _attrs) \ 47 static void target_fabric_setup_##_name##_cit(struct target_fabric_configfs *tf) \ 48 { \ 49 struct target_fabric_configfs_template *tfc = &tf->tf_cit_tmpl; \ 50 struct config_item_type *cit = &tfc->tfc_##_name##_cit; \ 51 \ 52 cit->ct_item_ops = _item_ops; \ 53 cit->ct_group_ops = _group_ops; \ 54 cit->ct_attrs = _attrs; \ 55 cit->ct_owner = tf->tf_module; \ 56 pr_debug("Setup generic %s\n", __stringify(_name)); \ 57 } 58 59 /* Start of tfc_tpg_mappedlun_cit */ 60 61 static int target_fabric_mappedlun_link( 62 struct config_item *lun_acl_ci, 63 struct config_item *lun_ci) 64 { 65 struct se_dev_entry *deve; 66 struct se_lun *lun = container_of(to_config_group(lun_ci), 67 struct se_lun, lun_group); 68 struct se_lun_acl *lacl = container_of(to_config_group(lun_acl_ci), 69 struct se_lun_acl, se_lun_group); 70 struct se_portal_group *se_tpg; 71 struct config_item *nacl_ci, *tpg_ci, *tpg_ci_s, *wwn_ci, *wwn_ci_s; 72 int ret = 0, lun_access; 73 74 if (lun->lun_link_magic != SE_LUN_LINK_MAGIC) { 75 pr_err("Bad lun->lun_link_magic, not a valid lun_ci pointer:" 76 " %p to struct lun: %p\n", lun_ci, lun); 77 return -EFAULT; 78 } 79 /* 80 * Ensure that the source port exists 81 */ 82 if (!lun->lun_sep || !lun->lun_sep->sep_tpg) { 83 pr_err("Source se_lun->lun_sep or lun->lun_sep->sep" 84 "_tpg does not exist\n"); 85 return -EINVAL; 86 } 87 se_tpg = lun->lun_sep->sep_tpg; 88 89 nacl_ci = &lun_acl_ci->ci_parent->ci_group->cg_item; 90 tpg_ci = &nacl_ci->ci_group->cg_item; 91 wwn_ci = &tpg_ci->ci_group->cg_item; 92 tpg_ci_s = &lun_ci->ci_parent->ci_group->cg_item; 93 wwn_ci_s = &tpg_ci_s->ci_group->cg_item; 94 /* 95 * Make sure the SymLink is going to the same $FABRIC/$WWN/tpgt_$TPGT 96 */ 97 if (strcmp(config_item_name(wwn_ci), config_item_name(wwn_ci_s))) { 98 pr_err("Illegal Initiator ACL SymLink outside of %s\n", 99 config_item_name(wwn_ci)); 100 return -EINVAL; 101 } 102 if (strcmp(config_item_name(tpg_ci), config_item_name(tpg_ci_s))) { 103 pr_err("Illegal Initiator ACL Symlink outside of %s" 104 " TPGT: %s\n", config_item_name(wwn_ci), 105 config_item_name(tpg_ci)); 106 return -EINVAL; 107 } 108 /* 109 * If this struct se_node_acl was dynamically generated with 110 * tpg_1/attrib/generate_node_acls=1, use the existing deve->lun_flags, 111 * which be will write protected (READ-ONLY) when 112 * tpg_1/attrib/demo_mode_write_protect=1 113 */ 114 spin_lock_irq(&lacl->se_lun_nacl->device_list_lock); 115 deve = lacl->se_lun_nacl->device_list[lacl->mapped_lun]; 116 if (deve->lun_flags & TRANSPORT_LUNFLAGS_INITIATOR_ACCESS) 117 lun_access = deve->lun_flags; 118 else 119 lun_access = 120 (se_tpg->se_tpg_tfo->tpg_check_prod_mode_write_protect( 121 se_tpg)) ? TRANSPORT_LUNFLAGS_READ_ONLY : 122 TRANSPORT_LUNFLAGS_READ_WRITE; 123 spin_unlock_irq(&lacl->se_lun_nacl->device_list_lock); 124 /* 125 * Determine the actual mapped LUN value user wants.. 126 * 127 * This value is what the SCSI Initiator actually sees the 128 * iscsi/$IQN/$TPGT/lun/lun_* as on their SCSI Initiator Ports. 129 */ 130 ret = core_dev_add_initiator_node_lun_acl(se_tpg, lacl, 131 lun->unpacked_lun, lun_access); 132 133 return (ret < 0) ? -EINVAL : 0; 134 } 135 136 static int target_fabric_mappedlun_unlink( 137 struct config_item *lun_acl_ci, 138 struct config_item *lun_ci) 139 { 140 struct se_lun *lun; 141 struct se_lun_acl *lacl = container_of(to_config_group(lun_acl_ci), 142 struct se_lun_acl, se_lun_group); 143 struct se_node_acl *nacl = lacl->se_lun_nacl; 144 struct se_dev_entry *deve = nacl->device_list[lacl->mapped_lun]; 145 struct se_portal_group *se_tpg; 146 /* 147 * Determine if the underlying MappedLUN has already been released.. 148 */ 149 if (!deve->se_lun) 150 return 0; 151 152 lun = container_of(to_config_group(lun_ci), struct se_lun, lun_group); 153 se_tpg = lun->lun_sep->sep_tpg; 154 155 core_dev_del_initiator_node_lun_acl(se_tpg, lun, lacl); 156 return 0; 157 } 158 159 CONFIGFS_EATTR_STRUCT(target_fabric_mappedlun, se_lun_acl); 160 #define TCM_MAPPEDLUN_ATTR(_name, _mode) \ 161 static struct target_fabric_mappedlun_attribute target_fabric_mappedlun_##_name = \ 162 __CONFIGFS_EATTR(_name, _mode, \ 163 target_fabric_mappedlun_show_##_name, \ 164 target_fabric_mappedlun_store_##_name); 165 166 static ssize_t target_fabric_mappedlun_show_write_protect( 167 struct se_lun_acl *lacl, 168 char *page) 169 { 170 struct se_node_acl *se_nacl = lacl->se_lun_nacl; 171 struct se_dev_entry *deve; 172 ssize_t len; 173 174 spin_lock_irq(&se_nacl->device_list_lock); 175 deve = se_nacl->device_list[lacl->mapped_lun]; 176 len = sprintf(page, "%d\n", 177 (deve->lun_flags & TRANSPORT_LUNFLAGS_READ_ONLY) ? 178 1 : 0); 179 spin_unlock_irq(&se_nacl->device_list_lock); 180 181 return len; 182 } 183 184 static ssize_t target_fabric_mappedlun_store_write_protect( 185 struct se_lun_acl *lacl, 186 const char *page, 187 size_t count) 188 { 189 struct se_node_acl *se_nacl = lacl->se_lun_nacl; 190 struct se_portal_group *se_tpg = se_nacl->se_tpg; 191 unsigned long op; 192 int ret; 193 194 ret = kstrtoul(page, 0, &op); 195 if (ret) 196 return ret; 197 198 if ((op != 1) && (op != 0)) 199 return -EINVAL; 200 201 core_update_device_list_access(lacl->mapped_lun, (op) ? 202 TRANSPORT_LUNFLAGS_READ_ONLY : 203 TRANSPORT_LUNFLAGS_READ_WRITE, 204 lacl->se_lun_nacl); 205 206 pr_debug("%s_ConfigFS: Changed Initiator ACL: %s" 207 " Mapped LUN: %u Write Protect bit to %s\n", 208 se_tpg->se_tpg_tfo->get_fabric_name(), 209 lacl->initiatorname, lacl->mapped_lun, (op) ? "ON" : "OFF"); 210 211 return count; 212 213 } 214 215 TCM_MAPPEDLUN_ATTR(write_protect, S_IRUGO | S_IWUSR); 216 217 CONFIGFS_EATTR_OPS(target_fabric_mappedlun, se_lun_acl, se_lun_group); 218 219 static void target_fabric_mappedlun_release(struct config_item *item) 220 { 221 struct se_lun_acl *lacl = container_of(to_config_group(item), 222 struct se_lun_acl, se_lun_group); 223 struct se_portal_group *se_tpg = lacl->se_lun_nacl->se_tpg; 224 225 core_dev_free_initiator_node_lun_acl(se_tpg, lacl); 226 } 227 228 static struct configfs_attribute *target_fabric_mappedlun_attrs[] = { 229 &target_fabric_mappedlun_write_protect.attr, 230 NULL, 231 }; 232 233 static struct configfs_item_operations target_fabric_mappedlun_item_ops = { 234 .release = target_fabric_mappedlun_release, 235 .show_attribute = target_fabric_mappedlun_attr_show, 236 .store_attribute = target_fabric_mappedlun_attr_store, 237 .allow_link = target_fabric_mappedlun_link, 238 .drop_link = target_fabric_mappedlun_unlink, 239 }; 240 241 TF_CIT_SETUP(tpg_mappedlun, &target_fabric_mappedlun_item_ops, NULL, 242 target_fabric_mappedlun_attrs); 243 244 /* End of tfc_tpg_mappedlun_cit */ 245 246 /* Start of tfc_tpg_mappedlun_port_cit */ 247 248 static struct config_group *target_core_mappedlun_stat_mkdir( 249 struct config_group *group, 250 const char *name) 251 { 252 return ERR_PTR(-ENOSYS); 253 } 254 255 static void target_core_mappedlun_stat_rmdir( 256 struct config_group *group, 257 struct config_item *item) 258 { 259 return; 260 } 261 262 static struct configfs_group_operations target_fabric_mappedlun_stat_group_ops = { 263 .make_group = target_core_mappedlun_stat_mkdir, 264 .drop_item = target_core_mappedlun_stat_rmdir, 265 }; 266 267 TF_CIT_SETUP(tpg_mappedlun_stat, NULL, &target_fabric_mappedlun_stat_group_ops, 268 NULL); 269 270 /* End of tfc_tpg_mappedlun_port_cit */ 271 272 /* Start of tfc_tpg_nacl_attrib_cit */ 273 274 CONFIGFS_EATTR_OPS(target_fabric_nacl_attrib, se_node_acl, acl_attrib_group); 275 276 static struct configfs_item_operations target_fabric_nacl_attrib_item_ops = { 277 .show_attribute = target_fabric_nacl_attrib_attr_show, 278 .store_attribute = target_fabric_nacl_attrib_attr_store, 279 }; 280 281 TF_CIT_SETUP(tpg_nacl_attrib, &target_fabric_nacl_attrib_item_ops, NULL, NULL); 282 283 /* End of tfc_tpg_nacl_attrib_cit */ 284 285 /* Start of tfc_tpg_nacl_auth_cit */ 286 287 CONFIGFS_EATTR_OPS(target_fabric_nacl_auth, se_node_acl, acl_auth_group); 288 289 static struct configfs_item_operations target_fabric_nacl_auth_item_ops = { 290 .show_attribute = target_fabric_nacl_auth_attr_show, 291 .store_attribute = target_fabric_nacl_auth_attr_store, 292 }; 293 294 TF_CIT_SETUP(tpg_nacl_auth, &target_fabric_nacl_auth_item_ops, NULL, NULL); 295 296 /* End of tfc_tpg_nacl_auth_cit */ 297 298 /* Start of tfc_tpg_nacl_param_cit */ 299 300 CONFIGFS_EATTR_OPS(target_fabric_nacl_param, se_node_acl, acl_param_group); 301 302 static struct configfs_item_operations target_fabric_nacl_param_item_ops = { 303 .show_attribute = target_fabric_nacl_param_attr_show, 304 .store_attribute = target_fabric_nacl_param_attr_store, 305 }; 306 307 TF_CIT_SETUP(tpg_nacl_param, &target_fabric_nacl_param_item_ops, NULL, NULL); 308 309 /* End of tfc_tpg_nacl_param_cit */ 310 311 /* Start of tfc_tpg_nacl_base_cit */ 312 313 CONFIGFS_EATTR_OPS(target_fabric_nacl_base, se_node_acl, acl_group); 314 315 static struct config_group *target_fabric_make_mappedlun( 316 struct config_group *group, 317 const char *name) 318 { 319 struct se_node_acl *se_nacl = container_of(group, 320 struct se_node_acl, acl_group); 321 struct se_portal_group *se_tpg = se_nacl->se_tpg; 322 struct target_fabric_configfs *tf = se_tpg->se_tpg_wwn->wwn_tf; 323 struct se_lun_acl *lacl; 324 struct config_item *acl_ci; 325 struct config_group *lacl_cg = NULL, *ml_stat_grp = NULL; 326 char *buf; 327 unsigned long mapped_lun; 328 int ret = 0; 329 330 acl_ci = &group->cg_item; 331 if (!acl_ci) { 332 pr_err("Unable to locatel acl_ci\n"); 333 return NULL; 334 } 335 336 buf = kzalloc(strlen(name) + 1, GFP_KERNEL); 337 if (!buf) { 338 pr_err("Unable to allocate memory for name buf\n"); 339 return ERR_PTR(-ENOMEM); 340 } 341 snprintf(buf, strlen(name) + 1, "%s", name); 342 /* 343 * Make sure user is creating iscsi/$IQN/$TPGT/acls/$INITIATOR/lun_$ID. 344 */ 345 if (strstr(buf, "lun_") != buf) { 346 pr_err("Unable to locate \"lun_\" from buf: %s" 347 " name: %s\n", buf, name); 348 ret = -EINVAL; 349 goto out; 350 } 351 /* 352 * Determine the Mapped LUN value. This is what the SCSI Initiator 353 * Port will actually see. 354 */ 355 ret = kstrtoul(buf + 4, 0, &mapped_lun); 356 if (ret) 357 goto out; 358 if (mapped_lun > UINT_MAX) { 359 ret = -EINVAL; 360 goto out; 361 } 362 if (mapped_lun > (TRANSPORT_MAX_LUNS_PER_TPG-1)) { 363 pr_err("Mapped LUN: %lu exceeds TRANSPORT_MAX_LUNS_PER_TPG" 364 "-1: %u for Target Portal Group: %u\n", mapped_lun, 365 TRANSPORT_MAX_LUNS_PER_TPG-1, 366 se_tpg->se_tpg_tfo->tpg_get_tag(se_tpg)); 367 ret = -EINVAL; 368 goto out; 369 } 370 371 lacl = core_dev_init_initiator_node_lun_acl(se_tpg, se_nacl, 372 mapped_lun, &ret); 373 if (!lacl) { 374 ret = -EINVAL; 375 goto out; 376 } 377 378 lacl_cg = &lacl->se_lun_group; 379 lacl_cg->default_groups = kmalloc(sizeof(struct config_group *) * 2, 380 GFP_KERNEL); 381 if (!lacl_cg->default_groups) { 382 pr_err("Unable to allocate lacl_cg->default_groups\n"); 383 ret = -ENOMEM; 384 goto out; 385 } 386 387 config_group_init_type_name(&lacl->se_lun_group, name, 388 &TF_CIT_TMPL(tf)->tfc_tpg_mappedlun_cit); 389 config_group_init_type_name(&lacl->ml_stat_grps.stat_group, 390 "statistics", &TF_CIT_TMPL(tf)->tfc_tpg_mappedlun_stat_cit); 391 lacl_cg->default_groups[0] = &lacl->ml_stat_grps.stat_group; 392 lacl_cg->default_groups[1] = NULL; 393 394 ml_stat_grp = &lacl->ml_stat_grps.stat_group; 395 ml_stat_grp->default_groups = kmalloc(sizeof(struct config_group *) * 3, 396 GFP_KERNEL); 397 if (!ml_stat_grp->default_groups) { 398 pr_err("Unable to allocate ml_stat_grp->default_groups\n"); 399 ret = -ENOMEM; 400 goto out; 401 } 402 target_stat_setup_mappedlun_default_groups(lacl); 403 404 kfree(buf); 405 return &lacl->se_lun_group; 406 out: 407 if (lacl_cg) 408 kfree(lacl_cg->default_groups); 409 kfree(buf); 410 return ERR_PTR(ret); 411 } 412 413 static void target_fabric_drop_mappedlun( 414 struct config_group *group, 415 struct config_item *item) 416 { 417 struct se_lun_acl *lacl = container_of(to_config_group(item), 418 struct se_lun_acl, se_lun_group); 419 struct config_item *df_item; 420 struct config_group *lacl_cg = NULL, *ml_stat_grp = NULL; 421 int i; 422 423 ml_stat_grp = &lacl->ml_stat_grps.stat_group; 424 for (i = 0; ml_stat_grp->default_groups[i]; i++) { 425 df_item = &ml_stat_grp->default_groups[i]->cg_item; 426 ml_stat_grp->default_groups[i] = NULL; 427 config_item_put(df_item); 428 } 429 kfree(ml_stat_grp->default_groups); 430 431 lacl_cg = &lacl->se_lun_group; 432 for (i = 0; lacl_cg->default_groups[i]; i++) { 433 df_item = &lacl_cg->default_groups[i]->cg_item; 434 lacl_cg->default_groups[i] = NULL; 435 config_item_put(df_item); 436 } 437 kfree(lacl_cg->default_groups); 438 439 config_item_put(item); 440 } 441 442 static void target_fabric_nacl_base_release(struct config_item *item) 443 { 444 struct se_node_acl *se_nacl = container_of(to_config_group(item), 445 struct se_node_acl, acl_group); 446 struct se_portal_group *se_tpg = se_nacl->se_tpg; 447 struct target_fabric_configfs *tf = se_tpg->se_tpg_wwn->wwn_tf; 448 449 tf->tf_ops.fabric_drop_nodeacl(se_nacl); 450 } 451 452 static struct configfs_item_operations target_fabric_nacl_base_item_ops = { 453 .release = target_fabric_nacl_base_release, 454 .show_attribute = target_fabric_nacl_base_attr_show, 455 .store_attribute = target_fabric_nacl_base_attr_store, 456 }; 457 458 static struct configfs_group_operations target_fabric_nacl_base_group_ops = { 459 .make_group = target_fabric_make_mappedlun, 460 .drop_item = target_fabric_drop_mappedlun, 461 }; 462 463 TF_CIT_SETUP(tpg_nacl_base, &target_fabric_nacl_base_item_ops, 464 &target_fabric_nacl_base_group_ops, NULL); 465 466 /* End of tfc_tpg_nacl_base_cit */ 467 468 /* Start of tfc_node_fabric_stats_cit */ 469 /* 470 * This is used as a placeholder for struct se_node_acl->acl_fabric_stat_group 471 * to allow fabrics access to ->acl_fabric_stat_group->default_groups[] 472 */ 473 TF_CIT_SETUP(tpg_nacl_stat, NULL, NULL, NULL); 474 475 /* End of tfc_wwn_fabric_stats_cit */ 476 477 /* Start of tfc_tpg_nacl_cit */ 478 479 static struct config_group *target_fabric_make_nodeacl( 480 struct config_group *group, 481 const char *name) 482 { 483 struct se_portal_group *se_tpg = container_of(group, 484 struct se_portal_group, tpg_acl_group); 485 struct target_fabric_configfs *tf = se_tpg->se_tpg_wwn->wwn_tf; 486 struct se_node_acl *se_nacl; 487 struct config_group *nacl_cg; 488 489 if (!tf->tf_ops.fabric_make_nodeacl) { 490 pr_err("tf->tf_ops.fabric_make_nodeacl is NULL\n"); 491 return ERR_PTR(-ENOSYS); 492 } 493 494 se_nacl = tf->tf_ops.fabric_make_nodeacl(se_tpg, group, name); 495 if (IS_ERR(se_nacl)) 496 return ERR_CAST(se_nacl); 497 498 nacl_cg = &se_nacl->acl_group; 499 nacl_cg->default_groups = se_nacl->acl_default_groups; 500 nacl_cg->default_groups[0] = &se_nacl->acl_attrib_group; 501 nacl_cg->default_groups[1] = &se_nacl->acl_auth_group; 502 nacl_cg->default_groups[2] = &se_nacl->acl_param_group; 503 nacl_cg->default_groups[3] = &se_nacl->acl_fabric_stat_group; 504 nacl_cg->default_groups[4] = NULL; 505 506 config_group_init_type_name(&se_nacl->acl_group, name, 507 &TF_CIT_TMPL(tf)->tfc_tpg_nacl_base_cit); 508 config_group_init_type_name(&se_nacl->acl_attrib_group, "attrib", 509 &TF_CIT_TMPL(tf)->tfc_tpg_nacl_attrib_cit); 510 config_group_init_type_name(&se_nacl->acl_auth_group, "auth", 511 &TF_CIT_TMPL(tf)->tfc_tpg_nacl_auth_cit); 512 config_group_init_type_name(&se_nacl->acl_param_group, "param", 513 &TF_CIT_TMPL(tf)->tfc_tpg_nacl_param_cit); 514 config_group_init_type_name(&se_nacl->acl_fabric_stat_group, 515 "fabric_statistics", 516 &TF_CIT_TMPL(tf)->tfc_tpg_nacl_stat_cit); 517 518 return &se_nacl->acl_group; 519 } 520 521 static void target_fabric_drop_nodeacl( 522 struct config_group *group, 523 struct config_item *item) 524 { 525 struct se_node_acl *se_nacl = container_of(to_config_group(item), 526 struct se_node_acl, acl_group); 527 struct config_item *df_item; 528 struct config_group *nacl_cg; 529 int i; 530 531 nacl_cg = &se_nacl->acl_group; 532 for (i = 0; nacl_cg->default_groups[i]; i++) { 533 df_item = &nacl_cg->default_groups[i]->cg_item; 534 nacl_cg->default_groups[i] = NULL; 535 config_item_put(df_item); 536 } 537 /* 538 * struct se_node_acl free is done in target_fabric_nacl_base_release() 539 */ 540 config_item_put(item); 541 } 542 543 static struct configfs_group_operations target_fabric_nacl_group_ops = { 544 .make_group = target_fabric_make_nodeacl, 545 .drop_item = target_fabric_drop_nodeacl, 546 }; 547 548 TF_CIT_SETUP(tpg_nacl, NULL, &target_fabric_nacl_group_ops, NULL); 549 550 /* End of tfc_tpg_nacl_cit */ 551 552 /* Start of tfc_tpg_np_base_cit */ 553 554 CONFIGFS_EATTR_OPS(target_fabric_np_base, se_tpg_np, tpg_np_group); 555 556 static void target_fabric_np_base_release(struct config_item *item) 557 { 558 struct se_tpg_np *se_tpg_np = container_of(to_config_group(item), 559 struct se_tpg_np, tpg_np_group); 560 struct se_portal_group *se_tpg = se_tpg_np->tpg_np_parent; 561 struct target_fabric_configfs *tf = se_tpg->se_tpg_wwn->wwn_tf; 562 563 tf->tf_ops.fabric_drop_np(se_tpg_np); 564 } 565 566 static struct configfs_item_operations target_fabric_np_base_item_ops = { 567 .release = target_fabric_np_base_release, 568 .show_attribute = target_fabric_np_base_attr_show, 569 .store_attribute = target_fabric_np_base_attr_store, 570 }; 571 572 TF_CIT_SETUP(tpg_np_base, &target_fabric_np_base_item_ops, NULL, NULL); 573 574 /* End of tfc_tpg_np_base_cit */ 575 576 /* Start of tfc_tpg_np_cit */ 577 578 static struct config_group *target_fabric_make_np( 579 struct config_group *group, 580 const char *name) 581 { 582 struct se_portal_group *se_tpg = container_of(group, 583 struct se_portal_group, tpg_np_group); 584 struct target_fabric_configfs *tf = se_tpg->se_tpg_wwn->wwn_tf; 585 struct se_tpg_np *se_tpg_np; 586 587 if (!tf->tf_ops.fabric_make_np) { 588 pr_err("tf->tf_ops.fabric_make_np is NULL\n"); 589 return ERR_PTR(-ENOSYS); 590 } 591 592 se_tpg_np = tf->tf_ops.fabric_make_np(se_tpg, group, name); 593 if (!se_tpg_np || IS_ERR(se_tpg_np)) 594 return ERR_PTR(-EINVAL); 595 596 se_tpg_np->tpg_np_parent = se_tpg; 597 config_group_init_type_name(&se_tpg_np->tpg_np_group, name, 598 &TF_CIT_TMPL(tf)->tfc_tpg_np_base_cit); 599 600 return &se_tpg_np->tpg_np_group; 601 } 602 603 static void target_fabric_drop_np( 604 struct config_group *group, 605 struct config_item *item) 606 { 607 /* 608 * struct se_tpg_np is released via target_fabric_np_base_release() 609 */ 610 config_item_put(item); 611 } 612 613 static struct configfs_group_operations target_fabric_np_group_ops = { 614 .make_group = &target_fabric_make_np, 615 .drop_item = &target_fabric_drop_np, 616 }; 617 618 TF_CIT_SETUP(tpg_np, NULL, &target_fabric_np_group_ops, NULL); 619 620 /* End of tfc_tpg_np_cit */ 621 622 /* Start of tfc_tpg_port_cit */ 623 624 CONFIGFS_EATTR_STRUCT(target_fabric_port, se_lun); 625 #define TCM_PORT_ATTR(_name, _mode) \ 626 static struct target_fabric_port_attribute target_fabric_port_##_name = \ 627 __CONFIGFS_EATTR(_name, _mode, \ 628 target_fabric_port_show_attr_##_name, \ 629 target_fabric_port_store_attr_##_name); 630 631 #define TCM_PORT_ATTOR_RO(_name) \ 632 __CONFIGFS_EATTR_RO(_name, \ 633 target_fabric_port_show_attr_##_name); 634 635 /* 636 * alua_tg_pt_gp 637 */ 638 static ssize_t target_fabric_port_show_attr_alua_tg_pt_gp( 639 struct se_lun *lun, 640 char *page) 641 { 642 if (!lun || !lun->lun_sep) 643 return -ENODEV; 644 645 return core_alua_show_tg_pt_gp_info(lun->lun_sep, page); 646 } 647 648 static ssize_t target_fabric_port_store_attr_alua_tg_pt_gp( 649 struct se_lun *lun, 650 const char *page, 651 size_t count) 652 { 653 if (!lun || !lun->lun_sep) 654 return -ENODEV; 655 656 return core_alua_store_tg_pt_gp_info(lun->lun_sep, page, count); 657 } 658 659 TCM_PORT_ATTR(alua_tg_pt_gp, S_IRUGO | S_IWUSR); 660 661 /* 662 * alua_tg_pt_offline 663 */ 664 static ssize_t target_fabric_port_show_attr_alua_tg_pt_offline( 665 struct se_lun *lun, 666 char *page) 667 { 668 if (!lun || !lun->lun_sep) 669 return -ENODEV; 670 671 return core_alua_show_offline_bit(lun, page); 672 } 673 674 static ssize_t target_fabric_port_store_attr_alua_tg_pt_offline( 675 struct se_lun *lun, 676 const char *page, 677 size_t count) 678 { 679 if (!lun || !lun->lun_sep) 680 return -ENODEV; 681 682 return core_alua_store_offline_bit(lun, page, count); 683 } 684 685 TCM_PORT_ATTR(alua_tg_pt_offline, S_IRUGO | S_IWUSR); 686 687 /* 688 * alua_tg_pt_status 689 */ 690 static ssize_t target_fabric_port_show_attr_alua_tg_pt_status( 691 struct se_lun *lun, 692 char *page) 693 { 694 if (!lun || !lun->lun_sep) 695 return -ENODEV; 696 697 return core_alua_show_secondary_status(lun, page); 698 } 699 700 static ssize_t target_fabric_port_store_attr_alua_tg_pt_status( 701 struct se_lun *lun, 702 const char *page, 703 size_t count) 704 { 705 if (!lun || !lun->lun_sep) 706 return -ENODEV; 707 708 return core_alua_store_secondary_status(lun, page, count); 709 } 710 711 TCM_PORT_ATTR(alua_tg_pt_status, S_IRUGO | S_IWUSR); 712 713 /* 714 * alua_tg_pt_write_md 715 */ 716 static ssize_t target_fabric_port_show_attr_alua_tg_pt_write_md( 717 struct se_lun *lun, 718 char *page) 719 { 720 if (!lun || !lun->lun_sep) 721 return -ENODEV; 722 723 return core_alua_show_secondary_write_metadata(lun, page); 724 } 725 726 static ssize_t target_fabric_port_store_attr_alua_tg_pt_write_md( 727 struct se_lun *lun, 728 const char *page, 729 size_t count) 730 { 731 if (!lun || !lun->lun_sep) 732 return -ENODEV; 733 734 return core_alua_store_secondary_write_metadata(lun, page, count); 735 } 736 737 TCM_PORT_ATTR(alua_tg_pt_write_md, S_IRUGO | S_IWUSR); 738 739 740 static struct configfs_attribute *target_fabric_port_attrs[] = { 741 &target_fabric_port_alua_tg_pt_gp.attr, 742 &target_fabric_port_alua_tg_pt_offline.attr, 743 &target_fabric_port_alua_tg_pt_status.attr, 744 &target_fabric_port_alua_tg_pt_write_md.attr, 745 NULL, 746 }; 747 748 CONFIGFS_EATTR_OPS(target_fabric_port, se_lun, lun_group); 749 750 static int target_fabric_port_link( 751 struct config_item *lun_ci, 752 struct config_item *se_dev_ci) 753 { 754 struct config_item *tpg_ci; 755 struct se_lun *lun = container_of(to_config_group(lun_ci), 756 struct se_lun, lun_group); 757 struct se_lun *lun_p; 758 struct se_portal_group *se_tpg; 759 struct se_device *dev = 760 container_of(to_config_group(se_dev_ci), struct se_device, dev_group); 761 struct target_fabric_configfs *tf; 762 int ret; 763 764 if (dev->dev_link_magic != SE_DEV_LINK_MAGIC) { 765 pr_err("Bad dev->dev_link_magic, not a valid se_dev_ci pointer:" 766 " %p to struct se_device: %p\n", se_dev_ci, dev); 767 return -EFAULT; 768 } 769 770 if (!(dev->dev_flags & DF_CONFIGURED)) { 771 pr_err("se_device not configured yet, cannot port link\n"); 772 return -ENODEV; 773 } 774 775 tpg_ci = &lun_ci->ci_parent->ci_group->cg_item; 776 se_tpg = container_of(to_config_group(tpg_ci), 777 struct se_portal_group, tpg_group); 778 tf = se_tpg->se_tpg_wwn->wwn_tf; 779 780 if (lun->lun_se_dev != NULL) { 781 pr_err("Port Symlink already exists\n"); 782 return -EEXIST; 783 } 784 785 lun_p = core_dev_add_lun(se_tpg, dev, lun->unpacked_lun); 786 if (IS_ERR(lun_p)) { 787 pr_err("core_dev_add_lun() failed\n"); 788 ret = PTR_ERR(lun_p); 789 goto out; 790 } 791 792 if (tf->tf_ops.fabric_post_link) { 793 /* 794 * Call the optional fabric_post_link() to allow a 795 * fabric module to setup any additional state once 796 * core_dev_add_lun() has been called.. 797 */ 798 tf->tf_ops.fabric_post_link(se_tpg, lun); 799 } 800 801 return 0; 802 out: 803 return ret; 804 } 805 806 static int target_fabric_port_unlink( 807 struct config_item *lun_ci, 808 struct config_item *se_dev_ci) 809 { 810 struct se_lun *lun = container_of(to_config_group(lun_ci), 811 struct se_lun, lun_group); 812 struct se_portal_group *se_tpg = lun->lun_sep->sep_tpg; 813 struct target_fabric_configfs *tf = se_tpg->se_tpg_wwn->wwn_tf; 814 815 if (tf->tf_ops.fabric_pre_unlink) { 816 /* 817 * Call the optional fabric_pre_unlink() to allow a 818 * fabric module to release any additional stat before 819 * core_dev_del_lun() is called. 820 */ 821 tf->tf_ops.fabric_pre_unlink(se_tpg, lun); 822 } 823 824 core_dev_del_lun(se_tpg, lun->unpacked_lun); 825 return 0; 826 } 827 828 static struct configfs_item_operations target_fabric_port_item_ops = { 829 .show_attribute = target_fabric_port_attr_show, 830 .store_attribute = target_fabric_port_attr_store, 831 .allow_link = target_fabric_port_link, 832 .drop_link = target_fabric_port_unlink, 833 }; 834 835 TF_CIT_SETUP(tpg_port, &target_fabric_port_item_ops, NULL, target_fabric_port_attrs); 836 837 /* End of tfc_tpg_port_cit */ 838 839 /* Start of tfc_tpg_port_stat_cit */ 840 841 static struct config_group *target_core_port_stat_mkdir( 842 struct config_group *group, 843 const char *name) 844 { 845 return ERR_PTR(-ENOSYS); 846 } 847 848 static void target_core_port_stat_rmdir( 849 struct config_group *group, 850 struct config_item *item) 851 { 852 return; 853 } 854 855 static struct configfs_group_operations target_fabric_port_stat_group_ops = { 856 .make_group = target_core_port_stat_mkdir, 857 .drop_item = target_core_port_stat_rmdir, 858 }; 859 860 TF_CIT_SETUP(tpg_port_stat, NULL, &target_fabric_port_stat_group_ops, NULL); 861 862 /* End of tfc_tpg_port_stat_cit */ 863 864 /* Start of tfc_tpg_lun_cit */ 865 866 static struct config_group *target_fabric_make_lun( 867 struct config_group *group, 868 const char *name) 869 { 870 struct se_lun *lun; 871 struct se_portal_group *se_tpg = container_of(group, 872 struct se_portal_group, tpg_lun_group); 873 struct target_fabric_configfs *tf = se_tpg->se_tpg_wwn->wwn_tf; 874 struct config_group *lun_cg = NULL, *port_stat_grp = NULL; 875 unsigned long unpacked_lun; 876 int errno; 877 878 if (strstr(name, "lun_") != name) { 879 pr_err("Unable to locate \'_\" in" 880 " \"lun_$LUN_NUMBER\"\n"); 881 return ERR_PTR(-EINVAL); 882 } 883 errno = kstrtoul(name + 4, 0, &unpacked_lun); 884 if (errno) 885 return ERR_PTR(errno); 886 if (unpacked_lun > UINT_MAX) 887 return ERR_PTR(-EINVAL); 888 889 lun = core_get_lun_from_tpg(se_tpg, unpacked_lun); 890 if (!lun) 891 return ERR_PTR(-EINVAL); 892 893 lun_cg = &lun->lun_group; 894 lun_cg->default_groups = kmalloc(sizeof(struct config_group *) * 2, 895 GFP_KERNEL); 896 if (!lun_cg->default_groups) { 897 pr_err("Unable to allocate lun_cg->default_groups\n"); 898 return ERR_PTR(-ENOMEM); 899 } 900 901 config_group_init_type_name(&lun->lun_group, name, 902 &TF_CIT_TMPL(tf)->tfc_tpg_port_cit); 903 config_group_init_type_name(&lun->port_stat_grps.stat_group, 904 "statistics", &TF_CIT_TMPL(tf)->tfc_tpg_port_stat_cit); 905 lun_cg->default_groups[0] = &lun->port_stat_grps.stat_group; 906 lun_cg->default_groups[1] = NULL; 907 908 port_stat_grp = &lun->port_stat_grps.stat_group; 909 port_stat_grp->default_groups = kzalloc(sizeof(struct config_group) * 3, 910 GFP_KERNEL); 911 if (!port_stat_grp->default_groups) { 912 pr_err("Unable to allocate port_stat_grp->default_groups\n"); 913 errno = -ENOMEM; 914 goto out; 915 } 916 target_stat_setup_port_default_groups(lun); 917 918 return &lun->lun_group; 919 out: 920 if (lun_cg) 921 kfree(lun_cg->default_groups); 922 return ERR_PTR(errno); 923 } 924 925 static void target_fabric_drop_lun( 926 struct config_group *group, 927 struct config_item *item) 928 { 929 struct se_lun *lun = container_of(to_config_group(item), 930 struct se_lun, lun_group); 931 struct config_item *df_item; 932 struct config_group *lun_cg, *port_stat_grp; 933 int i; 934 935 port_stat_grp = &lun->port_stat_grps.stat_group; 936 for (i = 0; port_stat_grp->default_groups[i]; i++) { 937 df_item = &port_stat_grp->default_groups[i]->cg_item; 938 port_stat_grp->default_groups[i] = NULL; 939 config_item_put(df_item); 940 } 941 kfree(port_stat_grp->default_groups); 942 943 lun_cg = &lun->lun_group; 944 for (i = 0; lun_cg->default_groups[i]; i++) { 945 df_item = &lun_cg->default_groups[i]->cg_item; 946 lun_cg->default_groups[i] = NULL; 947 config_item_put(df_item); 948 } 949 kfree(lun_cg->default_groups); 950 951 config_item_put(item); 952 } 953 954 static struct configfs_group_operations target_fabric_lun_group_ops = { 955 .make_group = &target_fabric_make_lun, 956 .drop_item = &target_fabric_drop_lun, 957 }; 958 959 TF_CIT_SETUP(tpg_lun, NULL, &target_fabric_lun_group_ops, NULL); 960 961 /* End of tfc_tpg_lun_cit */ 962 963 /* Start of tfc_tpg_attrib_cit */ 964 965 CONFIGFS_EATTR_OPS(target_fabric_tpg_attrib, se_portal_group, tpg_attrib_group); 966 967 static struct configfs_item_operations target_fabric_tpg_attrib_item_ops = { 968 .show_attribute = target_fabric_tpg_attrib_attr_show, 969 .store_attribute = target_fabric_tpg_attrib_attr_store, 970 }; 971 972 TF_CIT_SETUP(tpg_attrib, &target_fabric_tpg_attrib_item_ops, NULL, NULL); 973 974 /* End of tfc_tpg_attrib_cit */ 975 976 /* Start of tfc_tpg_auth_cit */ 977 978 CONFIGFS_EATTR_OPS(target_fabric_tpg_auth, se_portal_group, tpg_auth_group); 979 980 static struct configfs_item_operations target_fabric_tpg_auth_item_ops = { 981 .show_attribute = target_fabric_tpg_auth_attr_show, 982 .store_attribute = target_fabric_tpg_auth_attr_store, 983 }; 984 985 TF_CIT_SETUP(tpg_auth, &target_fabric_tpg_auth_item_ops, NULL, NULL); 986 987 /* End of tfc_tpg_attrib_cit */ 988 989 /* Start of tfc_tpg_param_cit */ 990 991 CONFIGFS_EATTR_OPS(target_fabric_tpg_param, se_portal_group, tpg_param_group); 992 993 static struct configfs_item_operations target_fabric_tpg_param_item_ops = { 994 .show_attribute = target_fabric_tpg_param_attr_show, 995 .store_attribute = target_fabric_tpg_param_attr_store, 996 }; 997 998 TF_CIT_SETUP(tpg_param, &target_fabric_tpg_param_item_ops, NULL, NULL); 999 1000 /* End of tfc_tpg_param_cit */ 1001 1002 /* Start of tfc_tpg_base_cit */ 1003 /* 1004 * For use with TF_TPG_ATTR() and TF_TPG_ATTR_RO() 1005 */ 1006 CONFIGFS_EATTR_OPS(target_fabric_tpg, se_portal_group, tpg_group); 1007 1008 static void target_fabric_tpg_release(struct config_item *item) 1009 { 1010 struct se_portal_group *se_tpg = container_of(to_config_group(item), 1011 struct se_portal_group, tpg_group); 1012 struct se_wwn *wwn = se_tpg->se_tpg_wwn; 1013 struct target_fabric_configfs *tf = wwn->wwn_tf; 1014 1015 tf->tf_ops.fabric_drop_tpg(se_tpg); 1016 } 1017 1018 static struct configfs_item_operations target_fabric_tpg_base_item_ops = { 1019 .release = target_fabric_tpg_release, 1020 .show_attribute = target_fabric_tpg_attr_show, 1021 .store_attribute = target_fabric_tpg_attr_store, 1022 }; 1023 1024 TF_CIT_SETUP(tpg_base, &target_fabric_tpg_base_item_ops, NULL, NULL); 1025 1026 /* End of tfc_tpg_base_cit */ 1027 1028 /* Start of tfc_tpg_cit */ 1029 1030 static struct config_group *target_fabric_make_tpg( 1031 struct config_group *group, 1032 const char *name) 1033 { 1034 struct se_wwn *wwn = container_of(group, struct se_wwn, wwn_group); 1035 struct target_fabric_configfs *tf = wwn->wwn_tf; 1036 struct se_portal_group *se_tpg; 1037 1038 if (!tf->tf_ops.fabric_make_tpg) { 1039 pr_err("tf->tf_ops.fabric_make_tpg is NULL\n"); 1040 return ERR_PTR(-ENOSYS); 1041 } 1042 1043 se_tpg = tf->tf_ops.fabric_make_tpg(wwn, group, name); 1044 if (!se_tpg || IS_ERR(se_tpg)) 1045 return ERR_PTR(-EINVAL); 1046 /* 1047 * Setup default groups from pre-allocated se_tpg->tpg_default_groups 1048 */ 1049 se_tpg->tpg_group.default_groups = se_tpg->tpg_default_groups; 1050 se_tpg->tpg_group.default_groups[0] = &se_tpg->tpg_lun_group; 1051 se_tpg->tpg_group.default_groups[1] = &se_tpg->tpg_np_group; 1052 se_tpg->tpg_group.default_groups[2] = &se_tpg->tpg_acl_group; 1053 se_tpg->tpg_group.default_groups[3] = &se_tpg->tpg_attrib_group; 1054 se_tpg->tpg_group.default_groups[4] = &se_tpg->tpg_auth_group; 1055 se_tpg->tpg_group.default_groups[5] = &se_tpg->tpg_param_group; 1056 se_tpg->tpg_group.default_groups[6] = NULL; 1057 1058 config_group_init_type_name(&se_tpg->tpg_group, name, 1059 &TF_CIT_TMPL(tf)->tfc_tpg_base_cit); 1060 config_group_init_type_name(&se_tpg->tpg_lun_group, "lun", 1061 &TF_CIT_TMPL(tf)->tfc_tpg_lun_cit); 1062 config_group_init_type_name(&se_tpg->tpg_np_group, "np", 1063 &TF_CIT_TMPL(tf)->tfc_tpg_np_cit); 1064 config_group_init_type_name(&se_tpg->tpg_acl_group, "acls", 1065 &TF_CIT_TMPL(tf)->tfc_tpg_nacl_cit); 1066 config_group_init_type_name(&se_tpg->tpg_attrib_group, "attrib", 1067 &TF_CIT_TMPL(tf)->tfc_tpg_attrib_cit); 1068 config_group_init_type_name(&se_tpg->tpg_auth_group, "auth", 1069 &TF_CIT_TMPL(tf)->tfc_tpg_auth_cit); 1070 config_group_init_type_name(&se_tpg->tpg_param_group, "param", 1071 &TF_CIT_TMPL(tf)->tfc_tpg_param_cit); 1072 1073 return &se_tpg->tpg_group; 1074 } 1075 1076 static void target_fabric_drop_tpg( 1077 struct config_group *group, 1078 struct config_item *item) 1079 { 1080 struct se_portal_group *se_tpg = container_of(to_config_group(item), 1081 struct se_portal_group, tpg_group); 1082 struct config_group *tpg_cg = &se_tpg->tpg_group; 1083 struct config_item *df_item; 1084 int i; 1085 /* 1086 * Release default groups, but do not release tpg_cg->default_groups 1087 * memory as it is statically allocated at se_tpg->tpg_default_groups. 1088 */ 1089 for (i = 0; tpg_cg->default_groups[i]; i++) { 1090 df_item = &tpg_cg->default_groups[i]->cg_item; 1091 tpg_cg->default_groups[i] = NULL; 1092 config_item_put(df_item); 1093 } 1094 1095 config_item_put(item); 1096 } 1097 1098 static void target_fabric_release_wwn(struct config_item *item) 1099 { 1100 struct se_wwn *wwn = container_of(to_config_group(item), 1101 struct se_wwn, wwn_group); 1102 struct target_fabric_configfs *tf = wwn->wwn_tf; 1103 1104 tf->tf_ops.fabric_drop_wwn(wwn); 1105 } 1106 1107 static struct configfs_item_operations target_fabric_tpg_item_ops = { 1108 .release = target_fabric_release_wwn, 1109 }; 1110 1111 static struct configfs_group_operations target_fabric_tpg_group_ops = { 1112 .make_group = target_fabric_make_tpg, 1113 .drop_item = target_fabric_drop_tpg, 1114 }; 1115 1116 TF_CIT_SETUP(tpg, &target_fabric_tpg_item_ops, &target_fabric_tpg_group_ops, 1117 NULL); 1118 1119 /* End of tfc_tpg_cit */ 1120 1121 /* Start of tfc_wwn_fabric_stats_cit */ 1122 /* 1123 * This is used as a placeholder for struct se_wwn->fabric_stat_group 1124 * to allow fabrics access to ->fabric_stat_group->default_groups[] 1125 */ 1126 TF_CIT_SETUP(wwn_fabric_stats, NULL, NULL, NULL); 1127 1128 /* End of tfc_wwn_fabric_stats_cit */ 1129 1130 /* Start of tfc_wwn_cit */ 1131 1132 static struct config_group *target_fabric_make_wwn( 1133 struct config_group *group, 1134 const char *name) 1135 { 1136 struct target_fabric_configfs *tf = container_of(group, 1137 struct target_fabric_configfs, tf_group); 1138 struct se_wwn *wwn; 1139 1140 if (!tf->tf_ops.fabric_make_wwn) { 1141 pr_err("tf->tf_ops.fabric_make_wwn is NULL\n"); 1142 return ERR_PTR(-ENOSYS); 1143 } 1144 1145 wwn = tf->tf_ops.fabric_make_wwn(tf, group, name); 1146 if (!wwn || IS_ERR(wwn)) 1147 return ERR_PTR(-EINVAL); 1148 1149 wwn->wwn_tf = tf; 1150 /* 1151 * Setup default groups from pre-allocated wwn->wwn_default_groups 1152 */ 1153 wwn->wwn_group.default_groups = wwn->wwn_default_groups; 1154 wwn->wwn_group.default_groups[0] = &wwn->fabric_stat_group; 1155 wwn->wwn_group.default_groups[1] = NULL; 1156 1157 config_group_init_type_name(&wwn->wwn_group, name, 1158 &TF_CIT_TMPL(tf)->tfc_tpg_cit); 1159 config_group_init_type_name(&wwn->fabric_stat_group, "fabric_statistics", 1160 &TF_CIT_TMPL(tf)->tfc_wwn_fabric_stats_cit); 1161 1162 return &wwn->wwn_group; 1163 } 1164 1165 static void target_fabric_drop_wwn( 1166 struct config_group *group, 1167 struct config_item *item) 1168 { 1169 struct se_wwn *wwn = container_of(to_config_group(item), 1170 struct se_wwn, wwn_group); 1171 struct config_item *df_item; 1172 struct config_group *cg = &wwn->wwn_group; 1173 int i; 1174 1175 for (i = 0; cg->default_groups[i]; i++) { 1176 df_item = &cg->default_groups[i]->cg_item; 1177 cg->default_groups[i] = NULL; 1178 config_item_put(df_item); 1179 } 1180 1181 config_item_put(item); 1182 } 1183 1184 static struct configfs_group_operations target_fabric_wwn_group_ops = { 1185 .make_group = target_fabric_make_wwn, 1186 .drop_item = target_fabric_drop_wwn, 1187 }; 1188 /* 1189 * For use with TF_WWN_ATTR() and TF_WWN_ATTR_RO() 1190 */ 1191 CONFIGFS_EATTR_OPS(target_fabric_wwn, target_fabric_configfs, tf_group); 1192 1193 static struct configfs_item_operations target_fabric_wwn_item_ops = { 1194 .show_attribute = target_fabric_wwn_attr_show, 1195 .store_attribute = target_fabric_wwn_attr_store, 1196 }; 1197 1198 TF_CIT_SETUP(wwn, &target_fabric_wwn_item_ops, &target_fabric_wwn_group_ops, NULL); 1199 1200 /* End of tfc_wwn_cit */ 1201 1202 /* Start of tfc_discovery_cit */ 1203 1204 CONFIGFS_EATTR_OPS(target_fabric_discovery, target_fabric_configfs, 1205 tf_disc_group); 1206 1207 static struct configfs_item_operations target_fabric_discovery_item_ops = { 1208 .show_attribute = target_fabric_discovery_attr_show, 1209 .store_attribute = target_fabric_discovery_attr_store, 1210 }; 1211 1212 TF_CIT_SETUP(discovery, &target_fabric_discovery_item_ops, NULL, NULL); 1213 1214 /* End of tfc_discovery_cit */ 1215 1216 int target_fabric_setup_cits(struct target_fabric_configfs *tf) 1217 { 1218 target_fabric_setup_discovery_cit(tf); 1219 target_fabric_setup_wwn_cit(tf); 1220 target_fabric_setup_wwn_fabric_stats_cit(tf); 1221 target_fabric_setup_tpg_cit(tf); 1222 target_fabric_setup_tpg_base_cit(tf); 1223 target_fabric_setup_tpg_port_cit(tf); 1224 target_fabric_setup_tpg_port_stat_cit(tf); 1225 target_fabric_setup_tpg_lun_cit(tf); 1226 target_fabric_setup_tpg_np_cit(tf); 1227 target_fabric_setup_tpg_np_base_cit(tf); 1228 target_fabric_setup_tpg_attrib_cit(tf); 1229 target_fabric_setup_tpg_auth_cit(tf); 1230 target_fabric_setup_tpg_param_cit(tf); 1231 target_fabric_setup_tpg_nacl_cit(tf); 1232 target_fabric_setup_tpg_nacl_base_cit(tf); 1233 target_fabric_setup_tpg_nacl_attrib_cit(tf); 1234 target_fabric_setup_tpg_nacl_auth_cit(tf); 1235 target_fabric_setup_tpg_nacl_param_cit(tf); 1236 target_fabric_setup_tpg_nacl_stat_cit(tf); 1237 target_fabric_setup_tpg_mappedlun_cit(tf); 1238 target_fabric_setup_tpg_mappedlun_stat_cit(tf); 1239 1240 return 0; 1241 } 1242