1 /******************************************************************************* 2 * This file contains the configfs implementation for iSCSI Target mode 3 * from the LIO-Target Project. 4 * 5 * (c) Copyright 2007-2013 Datera, Inc. 6 * 7 * Author: Nicholas A. Bellinger <nab@linux-iscsi.org> 8 * 9 * This program is free software; you can redistribute it and/or modify 10 * it under the terms of the GNU General Public License as published by 11 * the Free Software Foundation; either version 2 of the License, or 12 * (at your option) any later version. 13 * 14 * This program is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 * GNU General Public License for more details. 18 ****************************************************************************/ 19 20 #include <linux/configfs.h> 21 #include <linux/ctype.h> 22 #include <linux/export.h> 23 #include <linux/inet.h> 24 #include <target/target_core_base.h> 25 #include <target/target_core_fabric.h> 26 #include <target/iscsi/iscsi_transport.h> 27 28 #include <target/iscsi/iscsi_target_core.h> 29 #include "iscsi_target_parameters.h" 30 #include "iscsi_target_device.h" 31 #include "iscsi_target_erl0.h" 32 #include "iscsi_target_nodeattrib.h" 33 #include "iscsi_target_tpg.h" 34 #include "iscsi_target_util.h" 35 #include "iscsi_target.h" 36 #include <target/iscsi/iscsi_target_stat.h> 37 38 39 /* Start items for lio_target_portal_cit */ 40 41 static inline struct iscsi_tpg_np *to_iscsi_tpg_np(struct config_item *item) 42 { 43 return container_of(to_tpg_np(item), struct iscsi_tpg_np, se_tpg_np); 44 } 45 46 static ssize_t lio_target_np_sctp_show(struct config_item *item, char *page) 47 { 48 struct iscsi_tpg_np *tpg_np = to_iscsi_tpg_np(item); 49 struct iscsi_tpg_np *tpg_np_sctp; 50 ssize_t rb; 51 52 tpg_np_sctp = iscsit_tpg_locate_child_np(tpg_np, ISCSI_SCTP_TCP); 53 if (tpg_np_sctp) 54 rb = sprintf(page, "1\n"); 55 else 56 rb = sprintf(page, "0\n"); 57 58 return rb; 59 } 60 61 static ssize_t lio_target_np_sctp_store(struct config_item *item, 62 const char *page, size_t count) 63 { 64 struct iscsi_tpg_np *tpg_np = to_iscsi_tpg_np(item); 65 struct iscsi_np *np; 66 struct iscsi_portal_group *tpg; 67 struct iscsi_tpg_np *tpg_np_sctp = NULL; 68 u32 op; 69 int ret; 70 71 ret = kstrtou32(page, 0, &op); 72 if (ret) 73 return ret; 74 if ((op != 1) && (op != 0)) { 75 pr_err("Illegal value for tpg_enable: %u\n", op); 76 return -EINVAL; 77 } 78 np = tpg_np->tpg_np; 79 if (!np) { 80 pr_err("Unable to locate struct iscsi_np from" 81 " struct iscsi_tpg_np\n"); 82 return -EINVAL; 83 } 84 85 tpg = tpg_np->tpg; 86 if (iscsit_get_tpg(tpg) < 0) 87 return -EINVAL; 88 89 if (op) { 90 /* 91 * Use existing np->np_sockaddr for SCTP network portal reference 92 */ 93 tpg_np_sctp = iscsit_tpg_add_network_portal(tpg, &np->np_sockaddr, 94 tpg_np, ISCSI_SCTP_TCP); 95 if (!tpg_np_sctp || IS_ERR(tpg_np_sctp)) 96 goto out; 97 } else { 98 tpg_np_sctp = iscsit_tpg_locate_child_np(tpg_np, ISCSI_SCTP_TCP); 99 if (!tpg_np_sctp) 100 goto out; 101 102 ret = iscsit_tpg_del_network_portal(tpg, tpg_np_sctp); 103 if (ret < 0) 104 goto out; 105 } 106 107 iscsit_put_tpg(tpg); 108 return count; 109 out: 110 iscsit_put_tpg(tpg); 111 return -EINVAL; 112 } 113 114 static ssize_t lio_target_np_iser_show(struct config_item *item, char *page) 115 { 116 struct iscsi_tpg_np *tpg_np = to_iscsi_tpg_np(item); 117 struct iscsi_tpg_np *tpg_np_iser; 118 ssize_t rb; 119 120 tpg_np_iser = iscsit_tpg_locate_child_np(tpg_np, ISCSI_INFINIBAND); 121 if (tpg_np_iser) 122 rb = sprintf(page, "1\n"); 123 else 124 rb = sprintf(page, "0\n"); 125 126 return rb; 127 } 128 129 static ssize_t lio_target_np_iser_store(struct config_item *item, 130 const char *page, size_t count) 131 { 132 struct iscsi_tpg_np *tpg_np = to_iscsi_tpg_np(item); 133 struct iscsi_np *np; 134 struct iscsi_portal_group *tpg; 135 struct iscsi_tpg_np *tpg_np_iser = NULL; 136 char *endptr; 137 u32 op; 138 int rc = 0; 139 140 op = simple_strtoul(page, &endptr, 0); 141 if ((op != 1) && (op != 0)) { 142 pr_err("Illegal value for tpg_enable: %u\n", op); 143 return -EINVAL; 144 } 145 np = tpg_np->tpg_np; 146 if (!np) { 147 pr_err("Unable to locate struct iscsi_np from" 148 " struct iscsi_tpg_np\n"); 149 return -EINVAL; 150 } 151 152 tpg = tpg_np->tpg; 153 if (iscsit_get_tpg(tpg) < 0) 154 return -EINVAL; 155 156 if (op) { 157 rc = request_module("ib_isert"); 158 if (rc != 0) { 159 pr_warn("Unable to request_module for ib_isert\n"); 160 rc = 0; 161 } 162 163 tpg_np_iser = iscsit_tpg_add_network_portal(tpg, &np->np_sockaddr, 164 tpg_np, ISCSI_INFINIBAND); 165 if (IS_ERR(tpg_np_iser)) { 166 rc = PTR_ERR(tpg_np_iser); 167 goto out; 168 } 169 } else { 170 tpg_np_iser = iscsit_tpg_locate_child_np(tpg_np, ISCSI_INFINIBAND); 171 if (tpg_np_iser) { 172 rc = iscsit_tpg_del_network_portal(tpg, tpg_np_iser); 173 if (rc < 0) 174 goto out; 175 } 176 } 177 178 iscsit_put_tpg(tpg); 179 return count; 180 out: 181 iscsit_put_tpg(tpg); 182 return rc; 183 } 184 185 CONFIGFS_ATTR(lio_target_np_, sctp); 186 CONFIGFS_ATTR(lio_target_np_, iser); 187 188 static struct configfs_attribute *lio_target_portal_attrs[] = { 189 &lio_target_np_attr_sctp, 190 &lio_target_np_attr_iser, 191 NULL, 192 }; 193 194 /* Stop items for lio_target_portal_cit */ 195 196 /* Start items for lio_target_np_cit */ 197 198 #define MAX_PORTAL_LEN 256 199 200 static struct se_tpg_np *lio_target_call_addnptotpg( 201 struct se_portal_group *se_tpg, 202 struct config_group *group, 203 const char *name) 204 { 205 struct iscsi_portal_group *tpg; 206 struct iscsi_tpg_np *tpg_np; 207 char *str, *str2, *ip_str, *port_str; 208 struct sockaddr_storage sockaddr; 209 struct sockaddr_in *sock_in; 210 struct sockaddr_in6 *sock_in6; 211 unsigned long port; 212 int ret; 213 char buf[MAX_PORTAL_LEN + 1]; 214 215 if (strlen(name) > MAX_PORTAL_LEN) { 216 pr_err("strlen(name): %d exceeds MAX_PORTAL_LEN: %d\n", 217 (int)strlen(name), MAX_PORTAL_LEN); 218 return ERR_PTR(-EOVERFLOW); 219 } 220 memset(buf, 0, MAX_PORTAL_LEN + 1); 221 snprintf(buf, MAX_PORTAL_LEN + 1, "%s", name); 222 223 memset(&sockaddr, 0, sizeof(struct sockaddr_storage)); 224 225 str = strstr(buf, "["); 226 if (str) { 227 const char *end; 228 229 str2 = strstr(str, "]"); 230 if (!str2) { 231 pr_err("Unable to locate trailing \"]\"" 232 " in IPv6 iSCSI network portal address\n"); 233 return ERR_PTR(-EINVAL); 234 } 235 str++; /* Skip over leading "[" */ 236 *str2 = '\0'; /* Terminate the unbracketed IPv6 address */ 237 str2++; /* Skip over the \0 */ 238 port_str = strstr(str2, ":"); 239 if (!port_str) { 240 pr_err("Unable to locate \":port\"" 241 " in IPv6 iSCSI network portal address\n"); 242 return ERR_PTR(-EINVAL); 243 } 244 *port_str = '\0'; /* Terminate string for IP */ 245 port_str++; /* Skip over ":" */ 246 247 ret = kstrtoul(port_str, 0, &port); 248 if (ret < 0) { 249 pr_err("kstrtoul() failed for port_str: %d\n", ret); 250 return ERR_PTR(ret); 251 } 252 sock_in6 = (struct sockaddr_in6 *)&sockaddr; 253 sock_in6->sin6_family = AF_INET6; 254 sock_in6->sin6_port = htons((unsigned short)port); 255 ret = in6_pton(str, -1, 256 (void *)&sock_in6->sin6_addr.in6_u, -1, &end); 257 if (ret <= 0) { 258 pr_err("in6_pton returned: %d\n", ret); 259 return ERR_PTR(-EINVAL); 260 } 261 } else { 262 str = ip_str = &buf[0]; 263 port_str = strstr(ip_str, ":"); 264 if (!port_str) { 265 pr_err("Unable to locate \":port\"" 266 " in IPv4 iSCSI network portal address\n"); 267 return ERR_PTR(-EINVAL); 268 } 269 *port_str = '\0'; /* Terminate string for IP */ 270 port_str++; /* Skip over ":" */ 271 272 ret = kstrtoul(port_str, 0, &port); 273 if (ret < 0) { 274 pr_err("kstrtoul() failed for port_str: %d\n", ret); 275 return ERR_PTR(ret); 276 } 277 sock_in = (struct sockaddr_in *)&sockaddr; 278 sock_in->sin_family = AF_INET; 279 sock_in->sin_port = htons((unsigned short)port); 280 sock_in->sin_addr.s_addr = in_aton(ip_str); 281 } 282 tpg = container_of(se_tpg, struct iscsi_portal_group, tpg_se_tpg); 283 ret = iscsit_get_tpg(tpg); 284 if (ret < 0) 285 return ERR_PTR(-EINVAL); 286 287 pr_debug("LIO_Target_ConfigFS: REGISTER -> %s TPGT: %hu" 288 " PORTAL: %s\n", 289 config_item_name(&se_tpg->se_tpg_wwn->wwn_group.cg_item), 290 tpg->tpgt, name); 291 /* 292 * Assume ISCSI_TCP by default. Other network portals for other 293 * iSCSI fabrics: 294 * 295 * Traditional iSCSI over SCTP (initial support) 296 * iSER/TCP (TODO, hardware available) 297 * iSER/SCTP (TODO, software emulation with osc-iwarp) 298 * iSER/IB (TODO, hardware available) 299 * 300 * can be enabled with attributes under 301 * sys/kernel/config/iscsi/$IQN/$TPG/np/$IP:$PORT/ 302 * 303 */ 304 tpg_np = iscsit_tpg_add_network_portal(tpg, &sockaddr, NULL, 305 ISCSI_TCP); 306 if (IS_ERR(tpg_np)) { 307 iscsit_put_tpg(tpg); 308 return ERR_CAST(tpg_np); 309 } 310 pr_debug("LIO_Target_ConfigFS: addnptotpg done!\n"); 311 312 iscsit_put_tpg(tpg); 313 return &tpg_np->se_tpg_np; 314 } 315 316 static void lio_target_call_delnpfromtpg( 317 struct se_tpg_np *se_tpg_np) 318 { 319 struct iscsi_portal_group *tpg; 320 struct iscsi_tpg_np *tpg_np; 321 struct se_portal_group *se_tpg; 322 int ret; 323 324 tpg_np = container_of(se_tpg_np, struct iscsi_tpg_np, se_tpg_np); 325 tpg = tpg_np->tpg; 326 ret = iscsit_get_tpg(tpg); 327 if (ret < 0) 328 return; 329 330 se_tpg = &tpg->tpg_se_tpg; 331 pr_debug("LIO_Target_ConfigFS: DEREGISTER -> %s TPGT: %hu" 332 " PORTAL: %pISpc\n", config_item_name(&se_tpg->se_tpg_wwn->wwn_group.cg_item), 333 tpg->tpgt, &tpg_np->tpg_np->np_sockaddr); 334 335 ret = iscsit_tpg_del_network_portal(tpg, tpg_np); 336 if (ret < 0) 337 goto out; 338 339 pr_debug("LIO_Target_ConfigFS: delnpfromtpg done!\n"); 340 out: 341 iscsit_put_tpg(tpg); 342 } 343 344 /* End items for lio_target_np_cit */ 345 346 /* Start items for lio_target_nacl_attrib_cit */ 347 348 #define ISCSI_NACL_ATTR(name) \ 349 static ssize_t iscsi_nacl_attrib_##name##_show(struct config_item *item,\ 350 char *page) \ 351 { \ 352 struct se_node_acl *se_nacl = attrib_to_nacl(item); \ 353 struct iscsi_node_acl *nacl = container_of(se_nacl, struct iscsi_node_acl, \ 354 se_node_acl); \ 355 \ 356 return sprintf(page, "%u\n", nacl->node_attrib.name); \ 357 } \ 358 \ 359 static ssize_t iscsi_nacl_attrib_##name##_store(struct config_item *item,\ 360 const char *page, size_t count) \ 361 { \ 362 struct se_node_acl *se_nacl = attrib_to_nacl(item); \ 363 struct iscsi_node_acl *nacl = container_of(se_nacl, struct iscsi_node_acl, \ 364 se_node_acl); \ 365 u32 val; \ 366 int ret; \ 367 \ 368 ret = kstrtou32(page, 0, &val); \ 369 if (ret) \ 370 return ret; \ 371 ret = iscsit_na_##name(nacl, val); \ 372 if (ret < 0) \ 373 return ret; \ 374 \ 375 return count; \ 376 } \ 377 \ 378 CONFIGFS_ATTR(iscsi_nacl_attrib_, name) 379 380 ISCSI_NACL_ATTR(dataout_timeout); 381 ISCSI_NACL_ATTR(dataout_timeout_retries); 382 ISCSI_NACL_ATTR(default_erl); 383 ISCSI_NACL_ATTR(nopin_timeout); 384 ISCSI_NACL_ATTR(nopin_response_timeout); 385 ISCSI_NACL_ATTR(random_datain_pdu_offsets); 386 ISCSI_NACL_ATTR(random_datain_seq_offsets); 387 ISCSI_NACL_ATTR(random_r2t_offsets); 388 389 static struct configfs_attribute *lio_target_nacl_attrib_attrs[] = { 390 &iscsi_nacl_attrib_attr_dataout_timeout, 391 &iscsi_nacl_attrib_attr_dataout_timeout_retries, 392 &iscsi_nacl_attrib_attr_default_erl, 393 &iscsi_nacl_attrib_attr_nopin_timeout, 394 &iscsi_nacl_attrib_attr_nopin_response_timeout, 395 &iscsi_nacl_attrib_attr_random_datain_pdu_offsets, 396 &iscsi_nacl_attrib_attr_random_datain_seq_offsets, 397 &iscsi_nacl_attrib_attr_random_r2t_offsets, 398 NULL, 399 }; 400 401 /* End items for lio_target_nacl_attrib_cit */ 402 403 /* Start items for lio_target_nacl_auth_cit */ 404 405 #define __DEF_NACL_AUTH_STR(prefix, name, flags) \ 406 static ssize_t __iscsi_##prefix##_##name##_show( \ 407 struct iscsi_node_acl *nacl, \ 408 char *page) \ 409 { \ 410 struct iscsi_node_auth *auth = &nacl->node_auth; \ 411 \ 412 if (!capable(CAP_SYS_ADMIN)) \ 413 return -EPERM; \ 414 return snprintf(page, PAGE_SIZE, "%s\n", auth->name); \ 415 } \ 416 \ 417 static ssize_t __iscsi_##prefix##_##name##_store( \ 418 struct iscsi_node_acl *nacl, \ 419 const char *page, \ 420 size_t count) \ 421 { \ 422 struct iscsi_node_auth *auth = &nacl->node_auth; \ 423 \ 424 if (!capable(CAP_SYS_ADMIN)) \ 425 return -EPERM; \ 426 if (count >= sizeof(auth->name)) \ 427 return -EINVAL; \ 428 snprintf(auth->name, sizeof(auth->name), "%s", page); \ 429 if (!strncmp("NULL", auth->name, 4)) \ 430 auth->naf_flags &= ~flags; \ 431 else \ 432 auth->naf_flags |= flags; \ 433 \ 434 if ((auth->naf_flags & NAF_USERID_IN_SET) && \ 435 (auth->naf_flags & NAF_PASSWORD_IN_SET)) \ 436 auth->authenticate_target = 1; \ 437 else \ 438 auth->authenticate_target = 0; \ 439 \ 440 return count; \ 441 } 442 443 #define DEF_NACL_AUTH_STR(name, flags) \ 444 __DEF_NACL_AUTH_STR(nacl_auth, name, flags) \ 445 static ssize_t iscsi_nacl_auth_##name##_show(struct config_item *item, \ 446 char *page) \ 447 { \ 448 struct se_node_acl *nacl = auth_to_nacl(item); \ 449 return __iscsi_nacl_auth_##name##_show(container_of(nacl, \ 450 struct iscsi_node_acl, se_node_acl), page); \ 451 } \ 452 static ssize_t iscsi_nacl_auth_##name##_store(struct config_item *item, \ 453 const char *page, size_t count) \ 454 { \ 455 struct se_node_acl *nacl = auth_to_nacl(item); \ 456 return __iscsi_nacl_auth_##name##_store(container_of(nacl, \ 457 struct iscsi_node_acl, se_node_acl), page, count); \ 458 } \ 459 \ 460 CONFIGFS_ATTR(iscsi_nacl_auth_, name) 461 462 /* 463 * One-way authentication userid 464 */ 465 DEF_NACL_AUTH_STR(userid, NAF_USERID_SET); 466 DEF_NACL_AUTH_STR(password, NAF_PASSWORD_SET); 467 DEF_NACL_AUTH_STR(userid_mutual, NAF_USERID_IN_SET); 468 DEF_NACL_AUTH_STR(password_mutual, NAF_PASSWORD_IN_SET); 469 470 #define __DEF_NACL_AUTH_INT(prefix, name) \ 471 static ssize_t __iscsi_##prefix##_##name##_show( \ 472 struct iscsi_node_acl *nacl, \ 473 char *page) \ 474 { \ 475 struct iscsi_node_auth *auth = &nacl->node_auth; \ 476 \ 477 if (!capable(CAP_SYS_ADMIN)) \ 478 return -EPERM; \ 479 \ 480 return snprintf(page, PAGE_SIZE, "%d\n", auth->name); \ 481 } 482 483 #define DEF_NACL_AUTH_INT(name) \ 484 __DEF_NACL_AUTH_INT(nacl_auth, name) \ 485 static ssize_t iscsi_nacl_auth_##name##_show(struct config_item *item, \ 486 char *page) \ 487 { \ 488 struct se_node_acl *nacl = auth_to_nacl(item); \ 489 return __iscsi_nacl_auth_##name##_show(container_of(nacl, \ 490 struct iscsi_node_acl, se_node_acl), page); \ 491 } \ 492 \ 493 CONFIGFS_ATTR_RO(iscsi_nacl_auth_, name) 494 495 DEF_NACL_AUTH_INT(authenticate_target); 496 497 static struct configfs_attribute *lio_target_nacl_auth_attrs[] = { 498 &iscsi_nacl_auth_attr_userid, 499 &iscsi_nacl_auth_attr_password, 500 &iscsi_nacl_auth_attr_authenticate_target, 501 &iscsi_nacl_auth_attr_userid_mutual, 502 &iscsi_nacl_auth_attr_password_mutual, 503 NULL, 504 }; 505 506 /* End items for lio_target_nacl_auth_cit */ 507 508 /* Start items for lio_target_nacl_param_cit */ 509 510 #define ISCSI_NACL_PARAM(name) \ 511 static ssize_t iscsi_nacl_param_##name##_show(struct config_item *item, \ 512 char *page) \ 513 { \ 514 struct se_node_acl *se_nacl = param_to_nacl(item); \ 515 struct iscsi_session *sess; \ 516 struct se_session *se_sess; \ 517 ssize_t rb; \ 518 \ 519 spin_lock_bh(&se_nacl->nacl_sess_lock); \ 520 se_sess = se_nacl->nacl_sess; \ 521 if (!se_sess) { \ 522 rb = snprintf(page, PAGE_SIZE, \ 523 "No Active iSCSI Session\n"); \ 524 } else { \ 525 sess = se_sess->fabric_sess_ptr; \ 526 rb = snprintf(page, PAGE_SIZE, "%u\n", \ 527 (u32)sess->sess_ops->name); \ 528 } \ 529 spin_unlock_bh(&se_nacl->nacl_sess_lock); \ 530 \ 531 return rb; \ 532 } \ 533 \ 534 CONFIGFS_ATTR_RO(iscsi_nacl_param_, name) 535 536 ISCSI_NACL_PARAM(MaxConnections); 537 ISCSI_NACL_PARAM(InitialR2T); 538 ISCSI_NACL_PARAM(ImmediateData); 539 ISCSI_NACL_PARAM(MaxBurstLength); 540 ISCSI_NACL_PARAM(FirstBurstLength); 541 ISCSI_NACL_PARAM(DefaultTime2Wait); 542 ISCSI_NACL_PARAM(DefaultTime2Retain); 543 ISCSI_NACL_PARAM(MaxOutstandingR2T); 544 ISCSI_NACL_PARAM(DataPDUInOrder); 545 ISCSI_NACL_PARAM(DataSequenceInOrder); 546 ISCSI_NACL_PARAM(ErrorRecoveryLevel); 547 548 static struct configfs_attribute *lio_target_nacl_param_attrs[] = { 549 &iscsi_nacl_param_attr_MaxConnections, 550 &iscsi_nacl_param_attr_InitialR2T, 551 &iscsi_nacl_param_attr_ImmediateData, 552 &iscsi_nacl_param_attr_MaxBurstLength, 553 &iscsi_nacl_param_attr_FirstBurstLength, 554 &iscsi_nacl_param_attr_DefaultTime2Wait, 555 &iscsi_nacl_param_attr_DefaultTime2Retain, 556 &iscsi_nacl_param_attr_MaxOutstandingR2T, 557 &iscsi_nacl_param_attr_DataPDUInOrder, 558 &iscsi_nacl_param_attr_DataSequenceInOrder, 559 &iscsi_nacl_param_attr_ErrorRecoveryLevel, 560 NULL, 561 }; 562 563 /* End items for lio_target_nacl_param_cit */ 564 565 /* Start items for lio_target_acl_cit */ 566 567 static ssize_t lio_target_nacl_info_show(struct config_item *item, char *page) 568 { 569 struct se_node_acl *se_nacl = acl_to_nacl(item); 570 struct iscsi_session *sess; 571 struct iscsi_conn *conn; 572 struct se_session *se_sess; 573 ssize_t rb = 0; 574 u32 max_cmd_sn; 575 576 spin_lock_bh(&se_nacl->nacl_sess_lock); 577 se_sess = se_nacl->nacl_sess; 578 if (!se_sess) { 579 rb += sprintf(page+rb, "No active iSCSI Session for Initiator" 580 " Endpoint: %s\n", se_nacl->initiatorname); 581 } else { 582 sess = se_sess->fabric_sess_ptr; 583 584 rb += sprintf(page+rb, "InitiatorName: %s\n", 585 sess->sess_ops->InitiatorName); 586 rb += sprintf(page+rb, "InitiatorAlias: %s\n", 587 sess->sess_ops->InitiatorAlias); 588 589 rb += sprintf(page+rb, 590 "LIO Session ID: %u ISID: 0x%6ph TSIH: %hu ", 591 sess->sid, sess->isid, sess->tsih); 592 rb += sprintf(page+rb, "SessionType: %s\n", 593 (sess->sess_ops->SessionType) ? 594 "Discovery" : "Normal"); 595 rb += sprintf(page+rb, "Session State: "); 596 switch (sess->session_state) { 597 case TARG_SESS_STATE_FREE: 598 rb += sprintf(page+rb, "TARG_SESS_FREE\n"); 599 break; 600 case TARG_SESS_STATE_ACTIVE: 601 rb += sprintf(page+rb, "TARG_SESS_STATE_ACTIVE\n"); 602 break; 603 case TARG_SESS_STATE_LOGGED_IN: 604 rb += sprintf(page+rb, "TARG_SESS_STATE_LOGGED_IN\n"); 605 break; 606 case TARG_SESS_STATE_FAILED: 607 rb += sprintf(page+rb, "TARG_SESS_STATE_FAILED\n"); 608 break; 609 case TARG_SESS_STATE_IN_CONTINUE: 610 rb += sprintf(page+rb, "TARG_SESS_STATE_IN_CONTINUE\n"); 611 break; 612 default: 613 rb += sprintf(page+rb, "ERROR: Unknown Session" 614 " State!\n"); 615 break; 616 } 617 618 rb += sprintf(page+rb, "---------------------[iSCSI Session" 619 " Values]-----------------------\n"); 620 rb += sprintf(page+rb, " CmdSN/WR : CmdSN/WC : ExpCmdSN" 621 " : MaxCmdSN : ITT : TTT\n"); 622 max_cmd_sn = (u32) atomic_read(&sess->max_cmd_sn); 623 rb += sprintf(page+rb, " 0x%08x 0x%08x 0x%08x 0x%08x" 624 " 0x%08x 0x%08x\n", 625 sess->cmdsn_window, 626 (max_cmd_sn - sess->exp_cmd_sn) + 1, 627 sess->exp_cmd_sn, max_cmd_sn, 628 sess->init_task_tag, sess->targ_xfer_tag); 629 rb += sprintf(page+rb, "----------------------[iSCSI" 630 " Connections]-------------------------\n"); 631 632 spin_lock(&sess->conn_lock); 633 list_for_each_entry(conn, &sess->sess_conn_list, conn_list) { 634 rb += sprintf(page+rb, "CID: %hu Connection" 635 " State: ", conn->cid); 636 switch (conn->conn_state) { 637 case TARG_CONN_STATE_FREE: 638 rb += sprintf(page+rb, 639 "TARG_CONN_STATE_FREE\n"); 640 break; 641 case TARG_CONN_STATE_XPT_UP: 642 rb += sprintf(page+rb, 643 "TARG_CONN_STATE_XPT_UP\n"); 644 break; 645 case TARG_CONN_STATE_IN_LOGIN: 646 rb += sprintf(page+rb, 647 "TARG_CONN_STATE_IN_LOGIN\n"); 648 break; 649 case TARG_CONN_STATE_LOGGED_IN: 650 rb += sprintf(page+rb, 651 "TARG_CONN_STATE_LOGGED_IN\n"); 652 break; 653 case TARG_CONN_STATE_IN_LOGOUT: 654 rb += sprintf(page+rb, 655 "TARG_CONN_STATE_IN_LOGOUT\n"); 656 break; 657 case TARG_CONN_STATE_LOGOUT_REQUESTED: 658 rb += sprintf(page+rb, 659 "TARG_CONN_STATE_LOGOUT_REQUESTED\n"); 660 break; 661 case TARG_CONN_STATE_CLEANUP_WAIT: 662 rb += sprintf(page+rb, 663 "TARG_CONN_STATE_CLEANUP_WAIT\n"); 664 break; 665 default: 666 rb += sprintf(page+rb, 667 "ERROR: Unknown Connection State!\n"); 668 break; 669 } 670 671 rb += sprintf(page+rb, " Address %pISc %s", &conn->login_sockaddr, 672 (conn->network_transport == ISCSI_TCP) ? 673 "TCP" : "SCTP"); 674 rb += sprintf(page+rb, " StatSN: 0x%08x\n", 675 conn->stat_sn); 676 } 677 spin_unlock(&sess->conn_lock); 678 } 679 spin_unlock_bh(&se_nacl->nacl_sess_lock); 680 681 return rb; 682 } 683 684 static ssize_t lio_target_nacl_cmdsn_depth_show(struct config_item *item, 685 char *page) 686 { 687 return sprintf(page, "%u\n", acl_to_nacl(item)->queue_depth); 688 } 689 690 static ssize_t lio_target_nacl_cmdsn_depth_store(struct config_item *item, 691 const char *page, size_t count) 692 { 693 struct se_node_acl *se_nacl = acl_to_nacl(item); 694 struct se_portal_group *se_tpg = se_nacl->se_tpg; 695 struct iscsi_portal_group *tpg = container_of(se_tpg, 696 struct iscsi_portal_group, tpg_se_tpg); 697 struct config_item *acl_ci, *tpg_ci, *wwn_ci; 698 u32 cmdsn_depth = 0; 699 int ret; 700 701 ret = kstrtou32(page, 0, &cmdsn_depth); 702 if (ret) 703 return ret; 704 if (cmdsn_depth > TA_DEFAULT_CMDSN_DEPTH_MAX) { 705 pr_err("Passed cmdsn_depth: %u exceeds" 706 " TA_DEFAULT_CMDSN_DEPTH_MAX: %u\n", cmdsn_depth, 707 TA_DEFAULT_CMDSN_DEPTH_MAX); 708 return -EINVAL; 709 } 710 acl_ci = &se_nacl->acl_group.cg_item; 711 if (!acl_ci) { 712 pr_err("Unable to locatel acl_ci\n"); 713 return -EINVAL; 714 } 715 tpg_ci = &acl_ci->ci_parent->ci_group->cg_item; 716 if (!tpg_ci) { 717 pr_err("Unable to locate tpg_ci\n"); 718 return -EINVAL; 719 } 720 wwn_ci = &tpg_ci->ci_group->cg_item; 721 if (!wwn_ci) { 722 pr_err("Unable to locate config_item wwn_ci\n"); 723 return -EINVAL; 724 } 725 726 if (iscsit_get_tpg(tpg) < 0) 727 return -EINVAL; 728 729 ret = core_tpg_set_initiator_node_queue_depth(se_nacl, cmdsn_depth); 730 731 pr_debug("LIO_Target_ConfigFS: %s/%s Set CmdSN Window: %u for" 732 "InitiatorName: %s\n", config_item_name(wwn_ci), 733 config_item_name(tpg_ci), cmdsn_depth, 734 config_item_name(acl_ci)); 735 736 iscsit_put_tpg(tpg); 737 return (!ret) ? count : (ssize_t)ret; 738 } 739 740 static ssize_t lio_target_nacl_tag_show(struct config_item *item, char *page) 741 { 742 return snprintf(page, PAGE_SIZE, "%s", acl_to_nacl(item)->acl_tag); 743 } 744 745 static ssize_t lio_target_nacl_tag_store(struct config_item *item, 746 const char *page, size_t count) 747 { 748 struct se_node_acl *se_nacl = acl_to_nacl(item); 749 int ret; 750 751 ret = core_tpg_set_initiator_node_tag(se_nacl->se_tpg, se_nacl, page); 752 753 if (ret < 0) 754 return ret; 755 return count; 756 } 757 758 CONFIGFS_ATTR_RO(lio_target_nacl_, info); 759 CONFIGFS_ATTR(lio_target_nacl_, cmdsn_depth); 760 CONFIGFS_ATTR(lio_target_nacl_, tag); 761 762 static struct configfs_attribute *lio_target_initiator_attrs[] = { 763 &lio_target_nacl_attr_info, 764 &lio_target_nacl_attr_cmdsn_depth, 765 &lio_target_nacl_attr_tag, 766 NULL, 767 }; 768 769 static int lio_target_init_nodeacl(struct se_node_acl *se_nacl, 770 const char *name) 771 { 772 struct iscsi_node_acl *acl = 773 container_of(se_nacl, struct iscsi_node_acl, se_node_acl); 774 struct config_group *stats_cg = &se_nacl->acl_fabric_stat_group; 775 776 stats_cg->default_groups = kmalloc(sizeof(struct config_group *) * 2, 777 GFP_KERNEL); 778 if (!stats_cg->default_groups) { 779 pr_err("Unable to allocate memory for" 780 " stats_cg->default_groups\n"); 781 return -ENOMEM; 782 } 783 784 stats_cg->default_groups[0] = &acl->node_stat_grps.iscsi_sess_stats_group; 785 stats_cg->default_groups[1] = NULL; 786 config_group_init_type_name(&acl->node_stat_grps.iscsi_sess_stats_group, 787 "iscsi_sess_stats", &iscsi_stat_sess_cit); 788 789 return 0; 790 } 791 792 static void lio_target_cleanup_nodeacl( struct se_node_acl *se_nacl) 793 { 794 struct iscsi_node_acl *acl = container_of(se_nacl, 795 struct iscsi_node_acl, se_node_acl); 796 struct config_item *df_item; 797 struct config_group *stats_cg; 798 int i; 799 800 stats_cg = &acl->se_node_acl.acl_fabric_stat_group; 801 for (i = 0; stats_cg->default_groups[i]; i++) { 802 df_item = &stats_cg->default_groups[i]->cg_item; 803 stats_cg->default_groups[i] = NULL; 804 config_item_put(df_item); 805 } 806 kfree(stats_cg->default_groups); 807 } 808 809 /* End items for lio_target_acl_cit */ 810 811 /* Start items for lio_target_tpg_attrib_cit */ 812 813 #define DEF_TPG_ATTRIB(name) \ 814 \ 815 static ssize_t iscsi_tpg_attrib_##name##_show(struct config_item *item, \ 816 char *page) \ 817 { \ 818 struct se_portal_group *se_tpg = attrib_to_tpg(item); \ 819 struct iscsi_portal_group *tpg = container_of(se_tpg, \ 820 struct iscsi_portal_group, tpg_se_tpg); \ 821 ssize_t rb; \ 822 \ 823 if (iscsit_get_tpg(tpg) < 0) \ 824 return -EINVAL; \ 825 \ 826 rb = sprintf(page, "%u\n", tpg->tpg_attrib.name); \ 827 iscsit_put_tpg(tpg); \ 828 return rb; \ 829 } \ 830 \ 831 static ssize_t iscsi_tpg_attrib_##name##_store(struct config_item *item,\ 832 const char *page, size_t count) \ 833 { \ 834 struct se_portal_group *se_tpg = attrib_to_tpg(item); \ 835 struct iscsi_portal_group *tpg = container_of(se_tpg, \ 836 struct iscsi_portal_group, tpg_se_tpg); \ 837 u32 val; \ 838 int ret; \ 839 \ 840 if (iscsit_get_tpg(tpg) < 0) \ 841 return -EINVAL; \ 842 \ 843 ret = kstrtou32(page, 0, &val); \ 844 if (ret) \ 845 goto out; \ 846 ret = iscsit_ta_##name(tpg, val); \ 847 if (ret < 0) \ 848 goto out; \ 849 \ 850 iscsit_put_tpg(tpg); \ 851 return count; \ 852 out: \ 853 iscsit_put_tpg(tpg); \ 854 return ret; \ 855 } \ 856 CONFIGFS_ATTR(iscsi_tpg_attrib_, name) 857 858 DEF_TPG_ATTRIB(authentication); 859 DEF_TPG_ATTRIB(login_timeout); 860 DEF_TPG_ATTRIB(netif_timeout); 861 DEF_TPG_ATTRIB(generate_node_acls); 862 DEF_TPG_ATTRIB(default_cmdsn_depth); 863 DEF_TPG_ATTRIB(cache_dynamic_acls); 864 DEF_TPG_ATTRIB(demo_mode_write_protect); 865 DEF_TPG_ATTRIB(prod_mode_write_protect); 866 DEF_TPG_ATTRIB(demo_mode_discovery); 867 DEF_TPG_ATTRIB(default_erl); 868 DEF_TPG_ATTRIB(t10_pi); 869 DEF_TPG_ATTRIB(fabric_prot_type); 870 DEF_TPG_ATTRIB(tpg_enabled_sendtargets); 871 872 static struct configfs_attribute *lio_target_tpg_attrib_attrs[] = { 873 &iscsi_tpg_attrib_attr_authentication, 874 &iscsi_tpg_attrib_attr_login_timeout, 875 &iscsi_tpg_attrib_attr_netif_timeout, 876 &iscsi_tpg_attrib_attr_generate_node_acls, 877 &iscsi_tpg_attrib_attr_default_cmdsn_depth, 878 &iscsi_tpg_attrib_attr_cache_dynamic_acls, 879 &iscsi_tpg_attrib_attr_demo_mode_write_protect, 880 &iscsi_tpg_attrib_attr_prod_mode_write_protect, 881 &iscsi_tpg_attrib_attr_demo_mode_discovery, 882 &iscsi_tpg_attrib_attr_default_erl, 883 &iscsi_tpg_attrib_attr_t10_pi, 884 &iscsi_tpg_attrib_attr_fabric_prot_type, 885 &iscsi_tpg_attrib_attr_tpg_enabled_sendtargets, 886 NULL, 887 }; 888 889 /* End items for lio_target_tpg_attrib_cit */ 890 891 /* Start items for lio_target_tpg_auth_cit */ 892 893 #define __DEF_TPG_AUTH_STR(prefix, name, flags) \ 894 static ssize_t __iscsi_##prefix##_##name##_show(struct se_portal_group *se_tpg, \ 895 char *page) \ 896 { \ 897 struct iscsi_portal_group *tpg = container_of(se_tpg, \ 898 struct iscsi_portal_group, tpg_se_tpg); \ 899 struct iscsi_node_auth *auth = &tpg->tpg_demo_auth; \ 900 \ 901 if (!capable(CAP_SYS_ADMIN)) \ 902 return -EPERM; \ 903 \ 904 return snprintf(page, PAGE_SIZE, "%s\n", auth->name); \ 905 } \ 906 \ 907 static ssize_t __iscsi_##prefix##_##name##_store(struct se_portal_group *se_tpg,\ 908 const char *page, size_t count) \ 909 { \ 910 struct iscsi_portal_group *tpg = container_of(se_tpg, \ 911 struct iscsi_portal_group, tpg_se_tpg); \ 912 struct iscsi_node_auth *auth = &tpg->tpg_demo_auth; \ 913 \ 914 if (!capable(CAP_SYS_ADMIN)) \ 915 return -EPERM; \ 916 \ 917 snprintf(auth->name, sizeof(auth->name), "%s", page); \ 918 if (!(strncmp("NULL", auth->name, 4))) \ 919 auth->naf_flags &= ~flags; \ 920 else \ 921 auth->naf_flags |= flags; \ 922 \ 923 if ((auth->naf_flags & NAF_USERID_IN_SET) && \ 924 (auth->naf_flags & NAF_PASSWORD_IN_SET)) \ 925 auth->authenticate_target = 1; \ 926 else \ 927 auth->authenticate_target = 0; \ 928 \ 929 return count; \ 930 } 931 932 #define DEF_TPG_AUTH_STR(name, flags) \ 933 __DEF_TPG_AUTH_STR(tpg_auth, name, flags) \ 934 static ssize_t iscsi_tpg_auth_##name##_show(struct config_item *item, \ 935 char *page) \ 936 { \ 937 return __iscsi_tpg_auth_##name##_show(auth_to_tpg(item), page); \ 938 } \ 939 \ 940 static ssize_t iscsi_tpg_auth_##name##_store(struct config_item *item, \ 941 const char *page, size_t count) \ 942 { \ 943 return __iscsi_tpg_auth_##name##_store(auth_to_tpg(item), page, count); \ 944 } \ 945 \ 946 CONFIGFS_ATTR(iscsi_tpg_auth_, name); 947 948 949 DEF_TPG_AUTH_STR(userid, NAF_USERID_SET); 950 DEF_TPG_AUTH_STR(password, NAF_PASSWORD_SET); 951 DEF_TPG_AUTH_STR(userid_mutual, NAF_USERID_IN_SET); 952 DEF_TPG_AUTH_STR(password_mutual, NAF_PASSWORD_IN_SET); 953 954 #define __DEF_TPG_AUTH_INT(prefix, name) \ 955 static ssize_t __iscsi_##prefix##_##name##_show(struct se_portal_group *se_tpg, \ 956 char *page) \ 957 { \ 958 struct iscsi_portal_group *tpg = container_of(se_tpg, \ 959 struct iscsi_portal_group, tpg_se_tpg); \ 960 struct iscsi_node_auth *auth = &tpg->tpg_demo_auth; \ 961 \ 962 if (!capable(CAP_SYS_ADMIN)) \ 963 return -EPERM; \ 964 \ 965 return snprintf(page, PAGE_SIZE, "%d\n", auth->name); \ 966 } 967 968 #define DEF_TPG_AUTH_INT(name) \ 969 __DEF_TPG_AUTH_INT(tpg_auth, name) \ 970 static ssize_t iscsi_tpg_auth_##name##_show(struct config_item *item, \ 971 char *page) \ 972 { \ 973 return __iscsi_tpg_auth_##name##_show(auth_to_tpg(item), page); \ 974 } \ 975 CONFIGFS_ATTR_RO(iscsi_tpg_auth_, name); 976 977 DEF_TPG_AUTH_INT(authenticate_target); 978 979 static struct configfs_attribute *lio_target_tpg_auth_attrs[] = { 980 &iscsi_tpg_auth_attr_userid, 981 &iscsi_tpg_auth_attr_password, 982 &iscsi_tpg_auth_attr_authenticate_target, 983 &iscsi_tpg_auth_attr_userid_mutual, 984 &iscsi_tpg_auth_attr_password_mutual, 985 NULL, 986 }; 987 988 /* End items for lio_target_tpg_auth_cit */ 989 990 /* Start items for lio_target_tpg_param_cit */ 991 992 #define DEF_TPG_PARAM(name) \ 993 static ssize_t iscsi_tpg_param_##name##_show(struct config_item *item, \ 994 char *page) \ 995 { \ 996 struct se_portal_group *se_tpg = param_to_tpg(item); \ 997 struct iscsi_portal_group *tpg = container_of(se_tpg, \ 998 struct iscsi_portal_group, tpg_se_tpg); \ 999 struct iscsi_param *param; \ 1000 ssize_t rb; \ 1001 \ 1002 if (iscsit_get_tpg(tpg) < 0) \ 1003 return -EINVAL; \ 1004 \ 1005 param = iscsi_find_param_from_key(__stringify(name), \ 1006 tpg->param_list); \ 1007 if (!param) { \ 1008 iscsit_put_tpg(tpg); \ 1009 return -EINVAL; \ 1010 } \ 1011 rb = snprintf(page, PAGE_SIZE, "%s\n", param->value); \ 1012 \ 1013 iscsit_put_tpg(tpg); \ 1014 return rb; \ 1015 } \ 1016 static ssize_t iscsi_tpg_param_##name##_store(struct config_item *item, \ 1017 const char *page, size_t count) \ 1018 { \ 1019 struct se_portal_group *se_tpg = param_to_tpg(item); \ 1020 struct iscsi_portal_group *tpg = container_of(se_tpg, \ 1021 struct iscsi_portal_group, tpg_se_tpg); \ 1022 char *buf; \ 1023 int ret, len; \ 1024 \ 1025 buf = kzalloc(PAGE_SIZE, GFP_KERNEL); \ 1026 if (!buf) \ 1027 return -ENOMEM; \ 1028 len = snprintf(buf, PAGE_SIZE, "%s=%s", __stringify(name), page); \ 1029 if (isspace(buf[len-1])) \ 1030 buf[len-1] = '\0'; /* Kill newline */ \ 1031 \ 1032 if (iscsit_get_tpg(tpg) < 0) { \ 1033 kfree(buf); \ 1034 return -EINVAL; \ 1035 } \ 1036 \ 1037 ret = iscsi_change_param_value(buf, tpg->param_list, 1); \ 1038 if (ret < 0) \ 1039 goto out; \ 1040 \ 1041 kfree(buf); \ 1042 iscsit_put_tpg(tpg); \ 1043 return count; \ 1044 out: \ 1045 kfree(buf); \ 1046 iscsit_put_tpg(tpg); \ 1047 return -EINVAL; \ 1048 } \ 1049 CONFIGFS_ATTR(iscsi_tpg_param_, name) 1050 1051 DEF_TPG_PARAM(AuthMethod); 1052 DEF_TPG_PARAM(HeaderDigest); 1053 DEF_TPG_PARAM(DataDigest); 1054 DEF_TPG_PARAM(MaxConnections); 1055 DEF_TPG_PARAM(TargetAlias); 1056 DEF_TPG_PARAM(InitialR2T); 1057 DEF_TPG_PARAM(ImmediateData); 1058 DEF_TPG_PARAM(MaxRecvDataSegmentLength); 1059 DEF_TPG_PARAM(MaxXmitDataSegmentLength); 1060 DEF_TPG_PARAM(MaxBurstLength); 1061 DEF_TPG_PARAM(FirstBurstLength); 1062 DEF_TPG_PARAM(DefaultTime2Wait); 1063 DEF_TPG_PARAM(DefaultTime2Retain); 1064 DEF_TPG_PARAM(MaxOutstandingR2T); 1065 DEF_TPG_PARAM(DataPDUInOrder); 1066 DEF_TPG_PARAM(DataSequenceInOrder); 1067 DEF_TPG_PARAM(ErrorRecoveryLevel); 1068 DEF_TPG_PARAM(IFMarker); 1069 DEF_TPG_PARAM(OFMarker); 1070 DEF_TPG_PARAM(IFMarkInt); 1071 DEF_TPG_PARAM(OFMarkInt); 1072 1073 static struct configfs_attribute *lio_target_tpg_param_attrs[] = { 1074 &iscsi_tpg_param_attr_AuthMethod, 1075 &iscsi_tpg_param_attr_HeaderDigest, 1076 &iscsi_tpg_param_attr_DataDigest, 1077 &iscsi_tpg_param_attr_MaxConnections, 1078 &iscsi_tpg_param_attr_TargetAlias, 1079 &iscsi_tpg_param_attr_InitialR2T, 1080 &iscsi_tpg_param_attr_ImmediateData, 1081 &iscsi_tpg_param_attr_MaxRecvDataSegmentLength, 1082 &iscsi_tpg_param_attr_MaxXmitDataSegmentLength, 1083 &iscsi_tpg_param_attr_MaxBurstLength, 1084 &iscsi_tpg_param_attr_FirstBurstLength, 1085 &iscsi_tpg_param_attr_DefaultTime2Wait, 1086 &iscsi_tpg_param_attr_DefaultTime2Retain, 1087 &iscsi_tpg_param_attr_MaxOutstandingR2T, 1088 &iscsi_tpg_param_attr_DataPDUInOrder, 1089 &iscsi_tpg_param_attr_DataSequenceInOrder, 1090 &iscsi_tpg_param_attr_ErrorRecoveryLevel, 1091 &iscsi_tpg_param_attr_IFMarker, 1092 &iscsi_tpg_param_attr_OFMarker, 1093 &iscsi_tpg_param_attr_IFMarkInt, 1094 &iscsi_tpg_param_attr_OFMarkInt, 1095 NULL, 1096 }; 1097 1098 /* End items for lio_target_tpg_param_cit */ 1099 1100 /* Start items for lio_target_tpg_cit */ 1101 1102 static ssize_t lio_target_tpg_enable_show(struct config_item *item, char *page) 1103 { 1104 struct se_portal_group *se_tpg = to_tpg(item); 1105 struct iscsi_portal_group *tpg = container_of(se_tpg, 1106 struct iscsi_portal_group, tpg_se_tpg); 1107 ssize_t len; 1108 1109 spin_lock(&tpg->tpg_state_lock); 1110 len = sprintf(page, "%d\n", 1111 (tpg->tpg_state == TPG_STATE_ACTIVE) ? 1 : 0); 1112 spin_unlock(&tpg->tpg_state_lock); 1113 1114 return len; 1115 } 1116 1117 static ssize_t lio_target_tpg_enable_store(struct config_item *item, 1118 const char *page, size_t count) 1119 { 1120 struct se_portal_group *se_tpg = to_tpg(item); 1121 struct iscsi_portal_group *tpg = container_of(se_tpg, 1122 struct iscsi_portal_group, tpg_se_tpg); 1123 u32 op; 1124 int ret; 1125 1126 ret = kstrtou32(page, 0, &op); 1127 if (ret) 1128 return ret; 1129 if ((op != 1) && (op != 0)) { 1130 pr_err("Illegal value for tpg_enable: %u\n", op); 1131 return -EINVAL; 1132 } 1133 1134 ret = iscsit_get_tpg(tpg); 1135 if (ret < 0) 1136 return -EINVAL; 1137 1138 if (op) { 1139 ret = iscsit_tpg_enable_portal_group(tpg); 1140 if (ret < 0) 1141 goto out; 1142 } else { 1143 /* 1144 * iscsit_tpg_disable_portal_group() assumes force=1 1145 */ 1146 ret = iscsit_tpg_disable_portal_group(tpg, 1); 1147 if (ret < 0) 1148 goto out; 1149 } 1150 1151 iscsit_put_tpg(tpg); 1152 return count; 1153 out: 1154 iscsit_put_tpg(tpg); 1155 return -EINVAL; 1156 } 1157 1158 1159 static ssize_t lio_target_tpg_dynamic_sessions_show(struct config_item *item, 1160 char *page) 1161 { 1162 return target_show_dynamic_sessions(to_tpg(item), page); 1163 } 1164 1165 CONFIGFS_ATTR(lio_target_tpg_, enable); 1166 CONFIGFS_ATTR_RO(lio_target_tpg_, dynamic_sessions); 1167 1168 static struct configfs_attribute *lio_target_tpg_attrs[] = { 1169 &lio_target_tpg_attr_enable, 1170 &lio_target_tpg_attr_dynamic_sessions, 1171 NULL, 1172 }; 1173 1174 /* End items for lio_target_tpg_cit */ 1175 1176 /* Start items for lio_target_tiqn_cit */ 1177 1178 static struct se_portal_group *lio_target_tiqn_addtpg( 1179 struct se_wwn *wwn, 1180 struct config_group *group, 1181 const char *name) 1182 { 1183 struct iscsi_portal_group *tpg; 1184 struct iscsi_tiqn *tiqn; 1185 char *tpgt_str; 1186 int ret; 1187 u16 tpgt; 1188 1189 tiqn = container_of(wwn, struct iscsi_tiqn, tiqn_wwn); 1190 /* 1191 * Only tpgt_# directory groups can be created below 1192 * target/iscsi/iqn.superturodiskarry/ 1193 */ 1194 tpgt_str = strstr(name, "tpgt_"); 1195 if (!tpgt_str) { 1196 pr_err("Unable to locate \"tpgt_#\" directory" 1197 " group\n"); 1198 return NULL; 1199 } 1200 tpgt_str += 5; /* Skip ahead of "tpgt_" */ 1201 ret = kstrtou16(tpgt_str, 0, &tpgt); 1202 if (ret) 1203 return NULL; 1204 1205 tpg = iscsit_alloc_portal_group(tiqn, tpgt); 1206 if (!tpg) 1207 return NULL; 1208 1209 ret = core_tpg_register(wwn, &tpg->tpg_se_tpg, SCSI_PROTOCOL_ISCSI); 1210 if (ret < 0) 1211 return NULL; 1212 1213 ret = iscsit_tpg_add_portal_group(tiqn, tpg); 1214 if (ret != 0) 1215 goto out; 1216 1217 pr_debug("LIO_Target_ConfigFS: REGISTER -> %s\n", tiqn->tiqn); 1218 pr_debug("LIO_Target_ConfigFS: REGISTER -> Allocated TPG: %s\n", 1219 name); 1220 return &tpg->tpg_se_tpg; 1221 out: 1222 core_tpg_deregister(&tpg->tpg_se_tpg); 1223 kfree(tpg); 1224 return NULL; 1225 } 1226 1227 static void lio_target_tiqn_deltpg(struct se_portal_group *se_tpg) 1228 { 1229 struct iscsi_portal_group *tpg; 1230 struct iscsi_tiqn *tiqn; 1231 1232 tpg = container_of(se_tpg, struct iscsi_portal_group, tpg_se_tpg); 1233 tiqn = tpg->tpg_tiqn; 1234 /* 1235 * iscsit_tpg_del_portal_group() assumes force=1 1236 */ 1237 pr_debug("LIO_Target_ConfigFS: DEREGISTER -> Releasing TPG\n"); 1238 iscsit_tpg_del_portal_group(tiqn, tpg, 1); 1239 } 1240 1241 /* End items for lio_target_tiqn_cit */ 1242 1243 /* Start LIO-Target TIQN struct contig_item lio_target_cit */ 1244 1245 static ssize_t lio_target_wwn_lio_version_show(struct config_item *item, 1246 char *page) 1247 { 1248 return sprintf(page, "Datera Inc. iSCSI Target "ISCSIT_VERSION"\n"); 1249 } 1250 1251 CONFIGFS_ATTR_RO(lio_target_wwn_, lio_version); 1252 1253 static struct configfs_attribute *lio_target_wwn_attrs[] = { 1254 &lio_target_wwn_attr_lio_version, 1255 NULL, 1256 }; 1257 1258 static struct se_wwn *lio_target_call_coreaddtiqn( 1259 struct target_fabric_configfs *tf, 1260 struct config_group *group, 1261 const char *name) 1262 { 1263 struct config_group *stats_cg; 1264 struct iscsi_tiqn *tiqn; 1265 1266 tiqn = iscsit_add_tiqn((unsigned char *)name); 1267 if (IS_ERR(tiqn)) 1268 return ERR_CAST(tiqn); 1269 /* 1270 * Setup struct iscsi_wwn_stat_grps for se_wwn->fabric_stat_group. 1271 */ 1272 stats_cg = &tiqn->tiqn_wwn.fabric_stat_group; 1273 1274 stats_cg->default_groups = kmalloc(sizeof(struct config_group *) * 6, 1275 GFP_KERNEL); 1276 if (!stats_cg->default_groups) { 1277 pr_err("Unable to allocate memory for" 1278 " stats_cg->default_groups\n"); 1279 iscsit_del_tiqn(tiqn); 1280 return ERR_PTR(-ENOMEM); 1281 } 1282 1283 stats_cg->default_groups[0] = &tiqn->tiqn_stat_grps.iscsi_instance_group; 1284 stats_cg->default_groups[1] = &tiqn->tiqn_stat_grps.iscsi_sess_err_group; 1285 stats_cg->default_groups[2] = &tiqn->tiqn_stat_grps.iscsi_tgt_attr_group; 1286 stats_cg->default_groups[3] = &tiqn->tiqn_stat_grps.iscsi_login_stats_group; 1287 stats_cg->default_groups[4] = &tiqn->tiqn_stat_grps.iscsi_logout_stats_group; 1288 stats_cg->default_groups[5] = NULL; 1289 config_group_init_type_name(&tiqn->tiqn_stat_grps.iscsi_instance_group, 1290 "iscsi_instance", &iscsi_stat_instance_cit); 1291 config_group_init_type_name(&tiqn->tiqn_stat_grps.iscsi_sess_err_group, 1292 "iscsi_sess_err", &iscsi_stat_sess_err_cit); 1293 config_group_init_type_name(&tiqn->tiqn_stat_grps.iscsi_tgt_attr_group, 1294 "iscsi_tgt_attr", &iscsi_stat_tgt_attr_cit); 1295 config_group_init_type_name(&tiqn->tiqn_stat_grps.iscsi_login_stats_group, 1296 "iscsi_login_stats", &iscsi_stat_login_cit); 1297 config_group_init_type_name(&tiqn->tiqn_stat_grps.iscsi_logout_stats_group, 1298 "iscsi_logout_stats", &iscsi_stat_logout_cit); 1299 1300 pr_debug("LIO_Target_ConfigFS: REGISTER -> %s\n", tiqn->tiqn); 1301 pr_debug("LIO_Target_ConfigFS: REGISTER -> Allocated Node:" 1302 " %s\n", name); 1303 return &tiqn->tiqn_wwn; 1304 } 1305 1306 static void lio_target_call_coredeltiqn( 1307 struct se_wwn *wwn) 1308 { 1309 struct iscsi_tiqn *tiqn = container_of(wwn, struct iscsi_tiqn, tiqn_wwn); 1310 struct config_item *df_item; 1311 struct config_group *stats_cg; 1312 int i; 1313 1314 stats_cg = &tiqn->tiqn_wwn.fabric_stat_group; 1315 for (i = 0; stats_cg->default_groups[i]; i++) { 1316 df_item = &stats_cg->default_groups[i]->cg_item; 1317 stats_cg->default_groups[i] = NULL; 1318 config_item_put(df_item); 1319 } 1320 kfree(stats_cg->default_groups); 1321 1322 pr_debug("LIO_Target_ConfigFS: DEREGISTER -> %s\n", 1323 tiqn->tiqn); 1324 iscsit_del_tiqn(tiqn); 1325 } 1326 1327 /* End LIO-Target TIQN struct contig_lio_target_cit */ 1328 1329 /* Start lio_target_discovery_auth_cit */ 1330 1331 #define DEF_DISC_AUTH_STR(name, flags) \ 1332 __DEF_NACL_AUTH_STR(disc, name, flags) \ 1333 static ssize_t iscsi_disc_##name##_show(struct config_item *item, char *page) \ 1334 { \ 1335 return __iscsi_disc_##name##_show(&iscsit_global->discovery_acl,\ 1336 page); \ 1337 } \ 1338 static ssize_t iscsi_disc_##name##_store(struct config_item *item, \ 1339 const char *page, size_t count) \ 1340 { \ 1341 return __iscsi_disc_##name##_store(&iscsit_global->discovery_acl, \ 1342 page, count); \ 1343 \ 1344 } \ 1345 CONFIGFS_ATTR(iscsi_disc_, name) 1346 1347 DEF_DISC_AUTH_STR(userid, NAF_USERID_SET); 1348 DEF_DISC_AUTH_STR(password, NAF_PASSWORD_SET); 1349 DEF_DISC_AUTH_STR(userid_mutual, NAF_USERID_IN_SET); 1350 DEF_DISC_AUTH_STR(password_mutual, NAF_PASSWORD_IN_SET); 1351 1352 #define DEF_DISC_AUTH_INT(name) \ 1353 __DEF_NACL_AUTH_INT(disc, name) \ 1354 static ssize_t iscsi_disc_##name##_show(struct config_item *item, char *page) \ 1355 { \ 1356 return __iscsi_disc_##name##_show(&iscsit_global->discovery_acl, \ 1357 page); \ 1358 } \ 1359 CONFIGFS_ATTR_RO(iscsi_disc_, name) 1360 1361 DEF_DISC_AUTH_INT(authenticate_target); 1362 1363 1364 static ssize_t iscsi_disc_enforce_discovery_auth_show(struct config_item *item, 1365 char *page) 1366 { 1367 struct iscsi_node_auth *discovery_auth = &iscsit_global->discovery_acl.node_auth; 1368 1369 return sprintf(page, "%d\n", discovery_auth->enforce_discovery_auth); 1370 } 1371 1372 static ssize_t iscsi_disc_enforce_discovery_auth_store(struct config_item *item, 1373 const char *page, size_t count) 1374 { 1375 struct iscsi_param *param; 1376 struct iscsi_portal_group *discovery_tpg = iscsit_global->discovery_tpg; 1377 u32 op; 1378 int err; 1379 1380 err = kstrtou32(page, 0, &op); 1381 if (err) 1382 return -EINVAL; 1383 if ((op != 1) && (op != 0)) { 1384 pr_err("Illegal value for enforce_discovery_auth:" 1385 " %u\n", op); 1386 return -EINVAL; 1387 } 1388 1389 if (!discovery_tpg) { 1390 pr_err("iscsit_global->discovery_tpg is NULL\n"); 1391 return -EINVAL; 1392 } 1393 1394 param = iscsi_find_param_from_key(AUTHMETHOD, 1395 discovery_tpg->param_list); 1396 if (!param) 1397 return -EINVAL; 1398 1399 if (op) { 1400 /* 1401 * Reset the AuthMethod key to CHAP. 1402 */ 1403 if (iscsi_update_param_value(param, CHAP) < 0) 1404 return -EINVAL; 1405 1406 discovery_tpg->tpg_attrib.authentication = 1; 1407 iscsit_global->discovery_acl.node_auth.enforce_discovery_auth = 1; 1408 pr_debug("LIO-CORE[0] Successfully enabled" 1409 " authentication enforcement for iSCSI" 1410 " Discovery TPG\n"); 1411 } else { 1412 /* 1413 * Reset the AuthMethod key to CHAP,None 1414 */ 1415 if (iscsi_update_param_value(param, "CHAP,None") < 0) 1416 return -EINVAL; 1417 1418 discovery_tpg->tpg_attrib.authentication = 0; 1419 iscsit_global->discovery_acl.node_auth.enforce_discovery_auth = 0; 1420 pr_debug("LIO-CORE[0] Successfully disabled" 1421 " authentication enforcement for iSCSI" 1422 " Discovery TPG\n"); 1423 } 1424 1425 return count; 1426 } 1427 1428 CONFIGFS_ATTR(iscsi_disc_, enforce_discovery_auth); 1429 1430 static struct configfs_attribute *lio_target_discovery_auth_attrs[] = { 1431 &iscsi_disc_attr_userid, 1432 &iscsi_disc_attr_password, 1433 &iscsi_disc_attr_authenticate_target, 1434 &iscsi_disc_attr_userid_mutual, 1435 &iscsi_disc_attr_password_mutual, 1436 &iscsi_disc_attr_enforce_discovery_auth, 1437 NULL, 1438 }; 1439 1440 /* End lio_target_discovery_auth_cit */ 1441 1442 /* Start functions for target_core_fabric_ops */ 1443 1444 static char *iscsi_get_fabric_name(void) 1445 { 1446 return "iSCSI"; 1447 } 1448 1449 static int iscsi_get_cmd_state(struct se_cmd *se_cmd) 1450 { 1451 struct iscsi_cmd *cmd = container_of(se_cmd, struct iscsi_cmd, se_cmd); 1452 1453 return cmd->i_state; 1454 } 1455 1456 static u32 lio_sess_get_index(struct se_session *se_sess) 1457 { 1458 struct iscsi_session *sess = se_sess->fabric_sess_ptr; 1459 1460 return sess->session_index; 1461 } 1462 1463 static u32 lio_sess_get_initiator_sid( 1464 struct se_session *se_sess, 1465 unsigned char *buf, 1466 u32 size) 1467 { 1468 struct iscsi_session *sess = se_sess->fabric_sess_ptr; 1469 /* 1470 * iSCSI Initiator Session Identifier from RFC-3720. 1471 */ 1472 return snprintf(buf, size, "%6phN", sess->isid); 1473 } 1474 1475 static int lio_queue_data_in(struct se_cmd *se_cmd) 1476 { 1477 struct iscsi_cmd *cmd = container_of(se_cmd, struct iscsi_cmd, se_cmd); 1478 1479 cmd->i_state = ISTATE_SEND_DATAIN; 1480 cmd->conn->conn_transport->iscsit_queue_data_in(cmd->conn, cmd); 1481 1482 return 0; 1483 } 1484 1485 static int lio_write_pending(struct se_cmd *se_cmd) 1486 { 1487 struct iscsi_cmd *cmd = container_of(se_cmd, struct iscsi_cmd, se_cmd); 1488 struct iscsi_conn *conn = cmd->conn; 1489 1490 if (!cmd->immediate_data && !cmd->unsolicited_data) 1491 return conn->conn_transport->iscsit_get_dataout(conn, cmd, false); 1492 1493 return 0; 1494 } 1495 1496 static int lio_write_pending_status(struct se_cmd *se_cmd) 1497 { 1498 struct iscsi_cmd *cmd = container_of(se_cmd, struct iscsi_cmd, se_cmd); 1499 int ret; 1500 1501 spin_lock_bh(&cmd->istate_lock); 1502 ret = !(cmd->cmd_flags & ICF_GOT_LAST_DATAOUT); 1503 spin_unlock_bh(&cmd->istate_lock); 1504 1505 return ret; 1506 } 1507 1508 static int lio_queue_status(struct se_cmd *se_cmd) 1509 { 1510 struct iscsi_cmd *cmd = container_of(se_cmd, struct iscsi_cmd, se_cmd); 1511 1512 cmd->i_state = ISTATE_SEND_STATUS; 1513 1514 if (cmd->se_cmd.scsi_status || cmd->sense_reason) { 1515 iscsit_add_cmd_to_response_queue(cmd, cmd->conn, cmd->i_state); 1516 return 0; 1517 } 1518 cmd->conn->conn_transport->iscsit_queue_status(cmd->conn, cmd); 1519 1520 return 0; 1521 } 1522 1523 static void lio_queue_tm_rsp(struct se_cmd *se_cmd) 1524 { 1525 struct iscsi_cmd *cmd = container_of(se_cmd, struct iscsi_cmd, se_cmd); 1526 1527 cmd->i_state = ISTATE_SEND_TASKMGTRSP; 1528 iscsit_add_cmd_to_response_queue(cmd, cmd->conn, cmd->i_state); 1529 } 1530 1531 static void lio_aborted_task(struct se_cmd *se_cmd) 1532 { 1533 struct iscsi_cmd *cmd = container_of(se_cmd, struct iscsi_cmd, se_cmd); 1534 1535 cmd->conn->conn_transport->iscsit_aborted_task(cmd->conn, cmd); 1536 } 1537 1538 static inline struct iscsi_portal_group *iscsi_tpg(struct se_portal_group *se_tpg) 1539 { 1540 return container_of(se_tpg, struct iscsi_portal_group, tpg_se_tpg); 1541 } 1542 1543 static char *lio_tpg_get_endpoint_wwn(struct se_portal_group *se_tpg) 1544 { 1545 return iscsi_tpg(se_tpg)->tpg_tiqn->tiqn; 1546 } 1547 1548 static u16 lio_tpg_get_tag(struct se_portal_group *se_tpg) 1549 { 1550 return iscsi_tpg(se_tpg)->tpgt; 1551 } 1552 1553 static u32 lio_tpg_get_default_depth(struct se_portal_group *se_tpg) 1554 { 1555 return iscsi_tpg(se_tpg)->tpg_attrib.default_cmdsn_depth; 1556 } 1557 1558 static int lio_tpg_check_demo_mode(struct se_portal_group *se_tpg) 1559 { 1560 return iscsi_tpg(se_tpg)->tpg_attrib.generate_node_acls; 1561 } 1562 1563 static int lio_tpg_check_demo_mode_cache(struct se_portal_group *se_tpg) 1564 { 1565 return iscsi_tpg(se_tpg)->tpg_attrib.cache_dynamic_acls; 1566 } 1567 1568 static int lio_tpg_check_demo_mode_write_protect( 1569 struct se_portal_group *se_tpg) 1570 { 1571 return iscsi_tpg(se_tpg)->tpg_attrib.demo_mode_write_protect; 1572 } 1573 1574 static int lio_tpg_check_prod_mode_write_protect( 1575 struct se_portal_group *se_tpg) 1576 { 1577 return iscsi_tpg(se_tpg)->tpg_attrib.prod_mode_write_protect; 1578 } 1579 1580 static int lio_tpg_check_prot_fabric_only( 1581 struct se_portal_group *se_tpg) 1582 { 1583 /* 1584 * Only report fabric_prot_type if t10_pi has also been enabled 1585 * for incoming ib_isert sessions. 1586 */ 1587 if (!iscsi_tpg(se_tpg)->tpg_attrib.t10_pi) 1588 return 0; 1589 return iscsi_tpg(se_tpg)->tpg_attrib.fabric_prot_type; 1590 } 1591 1592 /* 1593 * This function calls iscsit_inc_session_usage_count() on the 1594 * struct iscsi_session in question. 1595 */ 1596 static int lio_tpg_shutdown_session(struct se_session *se_sess) 1597 { 1598 struct iscsi_session *sess = se_sess->fabric_sess_ptr; 1599 struct se_portal_group *se_tpg = &sess->tpg->tpg_se_tpg; 1600 1601 spin_lock_bh(&se_tpg->session_lock); 1602 spin_lock(&sess->conn_lock); 1603 if (atomic_read(&sess->session_fall_back_to_erl0) || 1604 atomic_read(&sess->session_logout) || 1605 (sess->time2retain_timer_flags & ISCSI_TF_EXPIRED)) { 1606 spin_unlock(&sess->conn_lock); 1607 spin_unlock_bh(&se_tpg->session_lock); 1608 return 0; 1609 } 1610 atomic_set(&sess->session_reinstatement, 1); 1611 spin_unlock(&sess->conn_lock); 1612 1613 iscsit_stop_time2retain_timer(sess); 1614 spin_unlock_bh(&se_tpg->session_lock); 1615 1616 iscsit_stop_session(sess, 1, 1); 1617 return 1; 1618 } 1619 1620 /* 1621 * Calls iscsit_dec_session_usage_count() as inverse of 1622 * lio_tpg_shutdown_session() 1623 */ 1624 static void lio_tpg_close_session(struct se_session *se_sess) 1625 { 1626 struct iscsi_session *sess = se_sess->fabric_sess_ptr; 1627 /* 1628 * If the iSCSI Session for the iSCSI Initiator Node exists, 1629 * forcefully shutdown the iSCSI NEXUS. 1630 */ 1631 iscsit_close_session(sess); 1632 } 1633 1634 static u32 lio_tpg_get_inst_index(struct se_portal_group *se_tpg) 1635 { 1636 return iscsi_tpg(se_tpg)->tpg_tiqn->tiqn_index; 1637 } 1638 1639 static void lio_set_default_node_attributes(struct se_node_acl *se_acl) 1640 { 1641 struct iscsi_node_acl *acl = container_of(se_acl, struct iscsi_node_acl, 1642 se_node_acl); 1643 struct se_portal_group *se_tpg = se_acl->se_tpg; 1644 struct iscsi_portal_group *tpg = container_of(se_tpg, 1645 struct iscsi_portal_group, tpg_se_tpg); 1646 1647 acl->node_attrib.nacl = acl; 1648 iscsit_set_default_node_attribues(acl, tpg); 1649 } 1650 1651 static int lio_check_stop_free(struct se_cmd *se_cmd) 1652 { 1653 return target_put_sess_cmd(se_cmd); 1654 } 1655 1656 static void lio_release_cmd(struct se_cmd *se_cmd) 1657 { 1658 struct iscsi_cmd *cmd = container_of(se_cmd, struct iscsi_cmd, se_cmd); 1659 1660 pr_debug("Entering lio_release_cmd for se_cmd: %p\n", se_cmd); 1661 iscsit_release_cmd(cmd); 1662 } 1663 1664 const struct target_core_fabric_ops iscsi_ops = { 1665 .module = THIS_MODULE, 1666 .name = "iscsi", 1667 .node_acl_size = sizeof(struct iscsi_node_acl), 1668 .get_fabric_name = iscsi_get_fabric_name, 1669 .tpg_get_wwn = lio_tpg_get_endpoint_wwn, 1670 .tpg_get_tag = lio_tpg_get_tag, 1671 .tpg_get_default_depth = lio_tpg_get_default_depth, 1672 .tpg_check_demo_mode = lio_tpg_check_demo_mode, 1673 .tpg_check_demo_mode_cache = lio_tpg_check_demo_mode_cache, 1674 .tpg_check_demo_mode_write_protect = 1675 lio_tpg_check_demo_mode_write_protect, 1676 .tpg_check_prod_mode_write_protect = 1677 lio_tpg_check_prod_mode_write_protect, 1678 .tpg_check_prot_fabric_only = &lio_tpg_check_prot_fabric_only, 1679 .tpg_get_inst_index = lio_tpg_get_inst_index, 1680 .check_stop_free = lio_check_stop_free, 1681 .release_cmd = lio_release_cmd, 1682 .shutdown_session = lio_tpg_shutdown_session, 1683 .close_session = lio_tpg_close_session, 1684 .sess_get_index = lio_sess_get_index, 1685 .sess_get_initiator_sid = lio_sess_get_initiator_sid, 1686 .write_pending = lio_write_pending, 1687 .write_pending_status = lio_write_pending_status, 1688 .set_default_node_attributes = lio_set_default_node_attributes, 1689 .get_cmd_state = iscsi_get_cmd_state, 1690 .queue_data_in = lio_queue_data_in, 1691 .queue_status = lio_queue_status, 1692 .queue_tm_rsp = lio_queue_tm_rsp, 1693 .aborted_task = lio_aborted_task, 1694 .fabric_make_wwn = lio_target_call_coreaddtiqn, 1695 .fabric_drop_wwn = lio_target_call_coredeltiqn, 1696 .fabric_make_tpg = lio_target_tiqn_addtpg, 1697 .fabric_drop_tpg = lio_target_tiqn_deltpg, 1698 .fabric_make_np = lio_target_call_addnptotpg, 1699 .fabric_drop_np = lio_target_call_delnpfromtpg, 1700 .fabric_init_nodeacl = lio_target_init_nodeacl, 1701 .fabric_cleanup_nodeacl = lio_target_cleanup_nodeacl, 1702 1703 .tfc_discovery_attrs = lio_target_discovery_auth_attrs, 1704 .tfc_wwn_attrs = lio_target_wwn_attrs, 1705 .tfc_tpg_base_attrs = lio_target_tpg_attrs, 1706 .tfc_tpg_attrib_attrs = lio_target_tpg_attrib_attrs, 1707 .tfc_tpg_auth_attrs = lio_target_tpg_auth_attrs, 1708 .tfc_tpg_param_attrs = lio_target_tpg_param_attrs, 1709 .tfc_tpg_np_base_attrs = lio_target_portal_attrs, 1710 .tfc_tpg_nacl_base_attrs = lio_target_initiator_attrs, 1711 .tfc_tpg_nacl_attrib_attrs = lio_target_nacl_attrib_attrs, 1712 .tfc_tpg_nacl_auth_attrs = lio_target_nacl_auth_attrs, 1713 .tfc_tpg_nacl_param_attrs = lio_target_nacl_param_attrs, 1714 }; 1715