Nicholas Bellinger | e48354c | 2011-07-23 06:43:04 +0000 | [diff] [blame] | 1 | /******************************************************************************* |
| 2 | * This file contains the configfs implementation for iSCSI Target mode |
| 3 | * from the LIO-Target Project. |
| 4 | * |
| 5 | * \u00a9 Copyright 2007-2011 RisingTide Systems LLC. |
| 6 | * |
| 7 | * Licensed to the Linux Foundation under the General Public License (GPL) version 2. |
| 8 | * |
| 9 | * Author: 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/configfs.h> |
Paul Gortmaker | c53181a | 2011-08-30 18:16:43 -0400 | [diff] [blame^] | 23 | #include <linux/export.h> |
Nicholas Bellinger | e48354c | 2011-07-23 06:43:04 +0000 | [diff] [blame] | 24 | #include <target/target_core_base.h> |
| 25 | #include <target/target_core_transport.h> |
| 26 | #include <target/target_core_fabric_ops.h> |
| 27 | #include <target/target_core_fabric_configfs.h> |
| 28 | #include <target/target_core_fabric_lib.h> |
| 29 | #include <target/target_core_device.h> |
| 30 | #include <target/target_core_tpg.h> |
| 31 | #include <target/target_core_configfs.h> |
| 32 | #include <target/configfs_macros.h> |
| 33 | |
| 34 | #include "iscsi_target_core.h" |
| 35 | #include "iscsi_target_parameters.h" |
| 36 | #include "iscsi_target_device.h" |
| 37 | #include "iscsi_target_erl0.h" |
| 38 | #include "iscsi_target_nodeattrib.h" |
| 39 | #include "iscsi_target_tpg.h" |
| 40 | #include "iscsi_target_util.h" |
| 41 | #include "iscsi_target.h" |
| 42 | #include "iscsi_target_stat.h" |
| 43 | #include "iscsi_target_configfs.h" |
| 44 | |
| 45 | struct target_fabric_configfs *lio_target_fabric_configfs; |
| 46 | |
| 47 | struct lio_target_configfs_attribute { |
| 48 | struct configfs_attribute attr; |
| 49 | ssize_t (*show)(void *, char *); |
| 50 | ssize_t (*store)(void *, const char *, size_t); |
| 51 | }; |
| 52 | |
| 53 | struct iscsi_portal_group *lio_get_tpg_from_tpg_item( |
| 54 | struct config_item *item, |
| 55 | struct iscsi_tiqn **tiqn_out) |
| 56 | { |
| 57 | struct se_portal_group *se_tpg = container_of(to_config_group(item), |
| 58 | struct se_portal_group, tpg_group); |
| 59 | struct iscsi_portal_group *tpg = |
| 60 | (struct iscsi_portal_group *)se_tpg->se_tpg_fabric_ptr; |
| 61 | int ret; |
| 62 | |
| 63 | if (!tpg) { |
| 64 | pr_err("Unable to locate struct iscsi_portal_group " |
| 65 | "pointer\n"); |
| 66 | return NULL; |
| 67 | } |
| 68 | ret = iscsit_get_tpg(tpg); |
| 69 | if (ret < 0) |
| 70 | return NULL; |
| 71 | |
| 72 | *tiqn_out = tpg->tpg_tiqn; |
| 73 | return tpg; |
| 74 | } |
| 75 | |
| 76 | /* Start items for lio_target_portal_cit */ |
| 77 | |
| 78 | static ssize_t lio_target_np_show_sctp( |
| 79 | struct se_tpg_np *se_tpg_np, |
| 80 | char *page) |
| 81 | { |
| 82 | struct iscsi_tpg_np *tpg_np = container_of(se_tpg_np, |
| 83 | struct iscsi_tpg_np, se_tpg_np); |
| 84 | struct iscsi_tpg_np *tpg_np_sctp; |
| 85 | ssize_t rb; |
| 86 | |
| 87 | tpg_np_sctp = iscsit_tpg_locate_child_np(tpg_np, ISCSI_SCTP_TCP); |
| 88 | if (tpg_np_sctp) |
| 89 | rb = sprintf(page, "1\n"); |
| 90 | else |
| 91 | rb = sprintf(page, "0\n"); |
| 92 | |
| 93 | return rb; |
| 94 | } |
| 95 | |
| 96 | static ssize_t lio_target_np_store_sctp( |
| 97 | struct se_tpg_np *se_tpg_np, |
| 98 | const char *page, |
| 99 | size_t count) |
| 100 | { |
| 101 | struct iscsi_np *np; |
| 102 | struct iscsi_portal_group *tpg; |
| 103 | struct iscsi_tpg_np *tpg_np = container_of(se_tpg_np, |
| 104 | struct iscsi_tpg_np, se_tpg_np); |
| 105 | struct iscsi_tpg_np *tpg_np_sctp = NULL; |
| 106 | char *endptr; |
| 107 | u32 op; |
| 108 | int ret; |
| 109 | |
| 110 | op = simple_strtoul(page, &endptr, 0); |
| 111 | if ((op != 1) && (op != 0)) { |
| 112 | pr_err("Illegal value for tpg_enable: %u\n", op); |
| 113 | return -EINVAL; |
| 114 | } |
| 115 | np = tpg_np->tpg_np; |
| 116 | if (!np) { |
| 117 | pr_err("Unable to locate struct iscsi_np from" |
| 118 | " struct iscsi_tpg_np\n"); |
| 119 | return -EINVAL; |
| 120 | } |
| 121 | |
| 122 | tpg = tpg_np->tpg; |
| 123 | if (iscsit_get_tpg(tpg) < 0) |
| 124 | return -EINVAL; |
| 125 | |
| 126 | if (op) { |
| 127 | /* |
| 128 | * Use existing np->np_sockaddr for SCTP network portal reference |
| 129 | */ |
| 130 | tpg_np_sctp = iscsit_tpg_add_network_portal(tpg, &np->np_sockaddr, |
| 131 | np->np_ip, tpg_np, ISCSI_SCTP_TCP); |
| 132 | if (!tpg_np_sctp || IS_ERR(tpg_np_sctp)) |
| 133 | goto out; |
| 134 | } else { |
| 135 | tpg_np_sctp = iscsit_tpg_locate_child_np(tpg_np, ISCSI_SCTP_TCP); |
| 136 | if (!tpg_np_sctp) |
| 137 | goto out; |
| 138 | |
| 139 | ret = iscsit_tpg_del_network_portal(tpg, tpg_np_sctp); |
| 140 | if (ret < 0) |
| 141 | goto out; |
| 142 | } |
| 143 | |
| 144 | iscsit_put_tpg(tpg); |
| 145 | return count; |
| 146 | out: |
| 147 | iscsit_put_tpg(tpg); |
| 148 | return -EINVAL; |
| 149 | } |
| 150 | |
| 151 | TF_NP_BASE_ATTR(lio_target, sctp, S_IRUGO | S_IWUSR); |
| 152 | |
| 153 | static struct configfs_attribute *lio_target_portal_attrs[] = { |
| 154 | &lio_target_np_sctp.attr, |
| 155 | NULL, |
| 156 | }; |
| 157 | |
| 158 | /* Stop items for lio_target_portal_cit */ |
| 159 | |
| 160 | /* Start items for lio_target_np_cit */ |
| 161 | |
| 162 | #define MAX_PORTAL_LEN 256 |
| 163 | |
| 164 | struct se_tpg_np *lio_target_call_addnptotpg( |
| 165 | struct se_portal_group *se_tpg, |
| 166 | struct config_group *group, |
| 167 | const char *name) |
| 168 | { |
| 169 | struct iscsi_portal_group *tpg; |
| 170 | struct iscsi_tpg_np *tpg_np; |
| 171 | char *str, *str2, *ip_str, *port_str; |
| 172 | struct __kernel_sockaddr_storage sockaddr; |
| 173 | struct sockaddr_in *sock_in; |
| 174 | struct sockaddr_in6 *sock_in6; |
| 175 | unsigned long port; |
| 176 | int ret; |
| 177 | char buf[MAX_PORTAL_LEN + 1]; |
| 178 | |
| 179 | if (strlen(name) > MAX_PORTAL_LEN) { |
| 180 | pr_err("strlen(name): %d exceeds MAX_PORTAL_LEN: %d\n", |
| 181 | (int)strlen(name), MAX_PORTAL_LEN); |
| 182 | return ERR_PTR(-EOVERFLOW); |
| 183 | } |
| 184 | memset(buf, 0, MAX_PORTAL_LEN + 1); |
Nicholas Bellinger | 7bbb654 | 2011-07-27 12:37:03 -0700 | [diff] [blame] | 185 | snprintf(buf, MAX_PORTAL_LEN + 1, "%s", name); |
Nicholas Bellinger | e48354c | 2011-07-23 06:43:04 +0000 | [diff] [blame] | 186 | |
| 187 | memset(&sockaddr, 0, sizeof(struct __kernel_sockaddr_storage)); |
| 188 | |
| 189 | str = strstr(buf, "["); |
| 190 | if (str) { |
| 191 | const char *end; |
| 192 | |
| 193 | str2 = strstr(str, "]"); |
| 194 | if (!str2) { |
| 195 | pr_err("Unable to locate trailing \"]\"" |
| 196 | " in IPv6 iSCSI network portal address\n"); |
| 197 | return ERR_PTR(-EINVAL); |
| 198 | } |
| 199 | str++; /* Skip over leading "[" */ |
| 200 | *str2 = '\0'; /* Terminate the IPv6 address */ |
| 201 | str2++; /* Skip over the "]" */ |
| 202 | port_str = strstr(str2, ":"); |
| 203 | if (!port_str) { |
| 204 | pr_err("Unable to locate \":port\"" |
| 205 | " in IPv6 iSCSI network portal address\n"); |
| 206 | return ERR_PTR(-EINVAL); |
| 207 | } |
| 208 | *port_str = '\0'; /* Terminate string for IP */ |
| 209 | port_str++; /* Skip over ":" */ |
| 210 | |
| 211 | ret = strict_strtoul(port_str, 0, &port); |
| 212 | if (ret < 0) { |
| 213 | pr_err("strict_strtoul() failed for port_str: %d\n", ret); |
| 214 | return ERR_PTR(ret); |
| 215 | } |
| 216 | sock_in6 = (struct sockaddr_in6 *)&sockaddr; |
| 217 | sock_in6->sin6_family = AF_INET6; |
| 218 | sock_in6->sin6_port = htons((unsigned short)port); |
| 219 | ret = in6_pton(str, IPV6_ADDRESS_SPACE, |
| 220 | (void *)&sock_in6->sin6_addr.in6_u, -1, &end); |
| 221 | if (ret <= 0) { |
| 222 | pr_err("in6_pton returned: %d\n", ret); |
| 223 | return ERR_PTR(-EINVAL); |
| 224 | } |
| 225 | } else { |
| 226 | str = ip_str = &buf[0]; |
| 227 | port_str = strstr(ip_str, ":"); |
| 228 | if (!port_str) { |
| 229 | pr_err("Unable to locate \":port\"" |
| 230 | " in IPv4 iSCSI network portal address\n"); |
| 231 | return ERR_PTR(-EINVAL); |
| 232 | } |
| 233 | *port_str = '\0'; /* Terminate string for IP */ |
| 234 | port_str++; /* Skip over ":" */ |
| 235 | |
| 236 | ret = strict_strtoul(port_str, 0, &port); |
| 237 | if (ret < 0) { |
| 238 | pr_err("strict_strtoul() failed for port_str: %d\n", ret); |
| 239 | return ERR_PTR(ret); |
| 240 | } |
| 241 | sock_in = (struct sockaddr_in *)&sockaddr; |
| 242 | sock_in->sin_family = AF_INET; |
| 243 | sock_in->sin_port = htons((unsigned short)port); |
| 244 | sock_in->sin_addr.s_addr = in_aton(ip_str); |
| 245 | } |
| 246 | tpg = container_of(se_tpg, struct iscsi_portal_group, tpg_se_tpg); |
| 247 | ret = iscsit_get_tpg(tpg); |
| 248 | if (ret < 0) |
| 249 | return ERR_PTR(-EINVAL); |
| 250 | |
| 251 | pr_debug("LIO_Target_ConfigFS: REGISTER -> %s TPGT: %hu" |
| 252 | " PORTAL: %s\n", |
| 253 | config_item_name(&se_tpg->se_tpg_wwn->wwn_group.cg_item), |
| 254 | tpg->tpgt, name); |
| 255 | /* |
| 256 | * Assume ISCSI_TCP by default. Other network portals for other |
| 257 | * iSCSI fabrics: |
| 258 | * |
| 259 | * Traditional iSCSI over SCTP (initial support) |
| 260 | * iSER/TCP (TODO, hardware available) |
| 261 | * iSER/SCTP (TODO, software emulation with osc-iwarp) |
| 262 | * iSER/IB (TODO, hardware available) |
| 263 | * |
| 264 | * can be enabled with atributes under |
| 265 | * sys/kernel/config/iscsi/$IQN/$TPG/np/$IP:$PORT/ |
| 266 | * |
| 267 | */ |
| 268 | tpg_np = iscsit_tpg_add_network_portal(tpg, &sockaddr, str, NULL, |
| 269 | ISCSI_TCP); |
| 270 | if (IS_ERR(tpg_np)) { |
| 271 | iscsit_put_tpg(tpg); |
Thomas Meyer | e1750ba | 2011-08-01 23:58:18 +0200 | [diff] [blame] | 272 | return ERR_CAST(tpg_np); |
Nicholas Bellinger | e48354c | 2011-07-23 06:43:04 +0000 | [diff] [blame] | 273 | } |
| 274 | pr_debug("LIO_Target_ConfigFS: addnptotpg done!\n"); |
| 275 | |
| 276 | iscsit_put_tpg(tpg); |
| 277 | return &tpg_np->se_tpg_np; |
| 278 | } |
| 279 | |
| 280 | static void lio_target_call_delnpfromtpg( |
| 281 | struct se_tpg_np *se_tpg_np) |
| 282 | { |
| 283 | struct iscsi_portal_group *tpg; |
| 284 | struct iscsi_tpg_np *tpg_np; |
| 285 | struct se_portal_group *se_tpg; |
| 286 | int ret; |
| 287 | |
| 288 | tpg_np = container_of(se_tpg_np, struct iscsi_tpg_np, se_tpg_np); |
| 289 | tpg = tpg_np->tpg; |
| 290 | ret = iscsit_get_tpg(tpg); |
| 291 | if (ret < 0) |
| 292 | return; |
| 293 | |
| 294 | se_tpg = &tpg->tpg_se_tpg; |
| 295 | pr_debug("LIO_Target_ConfigFS: DEREGISTER -> %s TPGT: %hu" |
| 296 | " PORTAL: %s:%hu\n", config_item_name(&se_tpg->se_tpg_wwn->wwn_group.cg_item), |
| 297 | tpg->tpgt, tpg_np->tpg_np->np_ip, tpg_np->tpg_np->np_port); |
| 298 | |
| 299 | ret = iscsit_tpg_del_network_portal(tpg, tpg_np); |
| 300 | if (ret < 0) |
| 301 | goto out; |
| 302 | |
| 303 | pr_debug("LIO_Target_ConfigFS: delnpfromtpg done!\n"); |
| 304 | out: |
| 305 | iscsit_put_tpg(tpg); |
| 306 | } |
| 307 | |
| 308 | /* End items for lio_target_np_cit */ |
| 309 | |
| 310 | /* Start items for lio_target_nacl_attrib_cit */ |
| 311 | |
| 312 | #define DEF_NACL_ATTRIB(name) \ |
| 313 | static ssize_t iscsi_nacl_attrib_show_##name( \ |
| 314 | struct se_node_acl *se_nacl, \ |
| 315 | char *page) \ |
| 316 | { \ |
| 317 | struct iscsi_node_acl *nacl = container_of(se_nacl, struct iscsi_node_acl, \ |
| 318 | se_node_acl); \ |
| 319 | \ |
| 320 | return sprintf(page, "%u\n", ISCSI_NODE_ATTRIB(nacl)->name); \ |
| 321 | } \ |
| 322 | \ |
| 323 | static ssize_t iscsi_nacl_attrib_store_##name( \ |
| 324 | struct se_node_acl *se_nacl, \ |
| 325 | const char *page, \ |
| 326 | size_t count) \ |
| 327 | { \ |
| 328 | struct iscsi_node_acl *nacl = container_of(se_nacl, struct iscsi_node_acl, \ |
| 329 | se_node_acl); \ |
| 330 | char *endptr; \ |
| 331 | u32 val; \ |
| 332 | int ret; \ |
| 333 | \ |
| 334 | val = simple_strtoul(page, &endptr, 0); \ |
| 335 | ret = iscsit_na_##name(nacl, val); \ |
| 336 | if (ret < 0) \ |
| 337 | return ret; \ |
| 338 | \ |
| 339 | return count; \ |
| 340 | } |
| 341 | |
| 342 | #define NACL_ATTR(_name, _mode) TF_NACL_ATTRIB_ATTR(iscsi, _name, _mode); |
| 343 | /* |
| 344 | * Define iscsi_node_attrib_s_dataout_timeout |
| 345 | */ |
| 346 | DEF_NACL_ATTRIB(dataout_timeout); |
| 347 | NACL_ATTR(dataout_timeout, S_IRUGO | S_IWUSR); |
| 348 | /* |
| 349 | * Define iscsi_node_attrib_s_dataout_timeout_retries |
| 350 | */ |
| 351 | DEF_NACL_ATTRIB(dataout_timeout_retries); |
| 352 | NACL_ATTR(dataout_timeout_retries, S_IRUGO | S_IWUSR); |
| 353 | /* |
| 354 | * Define iscsi_node_attrib_s_default_erl |
| 355 | */ |
| 356 | DEF_NACL_ATTRIB(default_erl); |
| 357 | NACL_ATTR(default_erl, S_IRUGO | S_IWUSR); |
| 358 | /* |
| 359 | * Define iscsi_node_attrib_s_nopin_timeout |
| 360 | */ |
| 361 | DEF_NACL_ATTRIB(nopin_timeout); |
| 362 | NACL_ATTR(nopin_timeout, S_IRUGO | S_IWUSR); |
| 363 | /* |
| 364 | * Define iscsi_node_attrib_s_nopin_response_timeout |
| 365 | */ |
| 366 | DEF_NACL_ATTRIB(nopin_response_timeout); |
| 367 | NACL_ATTR(nopin_response_timeout, S_IRUGO | S_IWUSR); |
| 368 | /* |
| 369 | * Define iscsi_node_attrib_s_random_datain_pdu_offsets |
| 370 | */ |
| 371 | DEF_NACL_ATTRIB(random_datain_pdu_offsets); |
| 372 | NACL_ATTR(random_datain_pdu_offsets, S_IRUGO | S_IWUSR); |
| 373 | /* |
| 374 | * Define iscsi_node_attrib_s_random_datain_seq_offsets |
| 375 | */ |
| 376 | DEF_NACL_ATTRIB(random_datain_seq_offsets); |
| 377 | NACL_ATTR(random_datain_seq_offsets, S_IRUGO | S_IWUSR); |
| 378 | /* |
| 379 | * Define iscsi_node_attrib_s_random_r2t_offsets |
| 380 | */ |
| 381 | DEF_NACL_ATTRIB(random_r2t_offsets); |
| 382 | NACL_ATTR(random_r2t_offsets, S_IRUGO | S_IWUSR); |
| 383 | |
| 384 | static struct configfs_attribute *lio_target_nacl_attrib_attrs[] = { |
| 385 | &iscsi_nacl_attrib_dataout_timeout.attr, |
| 386 | &iscsi_nacl_attrib_dataout_timeout_retries.attr, |
| 387 | &iscsi_nacl_attrib_default_erl.attr, |
| 388 | &iscsi_nacl_attrib_nopin_timeout.attr, |
| 389 | &iscsi_nacl_attrib_nopin_response_timeout.attr, |
| 390 | &iscsi_nacl_attrib_random_datain_pdu_offsets.attr, |
| 391 | &iscsi_nacl_attrib_random_datain_seq_offsets.attr, |
| 392 | &iscsi_nacl_attrib_random_r2t_offsets.attr, |
| 393 | NULL, |
| 394 | }; |
| 395 | |
| 396 | /* End items for lio_target_nacl_attrib_cit */ |
| 397 | |
| 398 | /* Start items for lio_target_nacl_auth_cit */ |
| 399 | |
| 400 | #define __DEF_NACL_AUTH_STR(prefix, name, flags) \ |
| 401 | static ssize_t __iscsi_##prefix##_show_##name( \ |
| 402 | struct iscsi_node_acl *nacl, \ |
| 403 | char *page) \ |
| 404 | { \ |
| 405 | struct iscsi_node_auth *auth = &nacl->node_auth; \ |
| 406 | \ |
| 407 | if (!capable(CAP_SYS_ADMIN)) \ |
| 408 | return -EPERM; \ |
| 409 | return snprintf(page, PAGE_SIZE, "%s\n", auth->name); \ |
| 410 | } \ |
| 411 | \ |
| 412 | static ssize_t __iscsi_##prefix##_store_##name( \ |
| 413 | struct iscsi_node_acl *nacl, \ |
| 414 | const char *page, \ |
| 415 | size_t count) \ |
| 416 | { \ |
| 417 | struct iscsi_node_auth *auth = &nacl->node_auth; \ |
| 418 | \ |
| 419 | if (!capable(CAP_SYS_ADMIN)) \ |
| 420 | return -EPERM; \ |
| 421 | \ |
| 422 | snprintf(auth->name, PAGE_SIZE, "%s", page); \ |
| 423 | if (!strncmp("NULL", auth->name, 4)) \ |
| 424 | auth->naf_flags &= ~flags; \ |
| 425 | else \ |
| 426 | auth->naf_flags |= flags; \ |
| 427 | \ |
| 428 | if ((auth->naf_flags & NAF_USERID_IN_SET) && \ |
| 429 | (auth->naf_flags & NAF_PASSWORD_IN_SET)) \ |
| 430 | auth->authenticate_target = 1; \ |
| 431 | else \ |
| 432 | auth->authenticate_target = 0; \ |
| 433 | \ |
| 434 | return count; \ |
| 435 | } |
| 436 | |
| 437 | #define __DEF_NACL_AUTH_INT(prefix, name) \ |
| 438 | static ssize_t __iscsi_##prefix##_show_##name( \ |
| 439 | struct iscsi_node_acl *nacl, \ |
| 440 | char *page) \ |
| 441 | { \ |
| 442 | struct iscsi_node_auth *auth = &nacl->node_auth; \ |
| 443 | \ |
| 444 | if (!capable(CAP_SYS_ADMIN)) \ |
| 445 | return -EPERM; \ |
| 446 | \ |
| 447 | return snprintf(page, PAGE_SIZE, "%d\n", auth->name); \ |
| 448 | } |
| 449 | |
| 450 | #define DEF_NACL_AUTH_STR(name, flags) \ |
| 451 | __DEF_NACL_AUTH_STR(nacl_auth, name, flags) \ |
| 452 | static ssize_t iscsi_nacl_auth_show_##name( \ |
| 453 | struct se_node_acl *nacl, \ |
| 454 | char *page) \ |
| 455 | { \ |
| 456 | return __iscsi_nacl_auth_show_##name(container_of(nacl, \ |
| 457 | struct iscsi_node_acl, se_node_acl), page); \ |
| 458 | } \ |
| 459 | static ssize_t iscsi_nacl_auth_store_##name( \ |
| 460 | struct se_node_acl *nacl, \ |
| 461 | const char *page, \ |
| 462 | size_t count) \ |
| 463 | { \ |
| 464 | return __iscsi_nacl_auth_store_##name(container_of(nacl, \ |
| 465 | struct iscsi_node_acl, se_node_acl), page, count); \ |
| 466 | } |
| 467 | |
| 468 | #define DEF_NACL_AUTH_INT(name) \ |
| 469 | __DEF_NACL_AUTH_INT(nacl_auth, name) \ |
| 470 | static ssize_t iscsi_nacl_auth_show_##name( \ |
| 471 | struct se_node_acl *nacl, \ |
| 472 | char *page) \ |
| 473 | { \ |
| 474 | return __iscsi_nacl_auth_show_##name(container_of(nacl, \ |
| 475 | struct iscsi_node_acl, se_node_acl), page); \ |
| 476 | } |
| 477 | |
| 478 | #define AUTH_ATTR(_name, _mode) TF_NACL_AUTH_ATTR(iscsi, _name, _mode); |
| 479 | #define AUTH_ATTR_RO(_name) TF_NACL_AUTH_ATTR_RO(iscsi, _name); |
| 480 | |
| 481 | /* |
| 482 | * One-way authentication userid |
| 483 | */ |
| 484 | DEF_NACL_AUTH_STR(userid, NAF_USERID_SET); |
| 485 | AUTH_ATTR(userid, S_IRUGO | S_IWUSR); |
| 486 | /* |
| 487 | * One-way authentication password |
| 488 | */ |
| 489 | DEF_NACL_AUTH_STR(password, NAF_PASSWORD_SET); |
| 490 | AUTH_ATTR(password, S_IRUGO | S_IWUSR); |
| 491 | /* |
| 492 | * Enforce mutual authentication |
| 493 | */ |
| 494 | DEF_NACL_AUTH_INT(authenticate_target); |
| 495 | AUTH_ATTR_RO(authenticate_target); |
| 496 | /* |
| 497 | * Mutual authentication userid |
| 498 | */ |
| 499 | DEF_NACL_AUTH_STR(userid_mutual, NAF_USERID_IN_SET); |
| 500 | AUTH_ATTR(userid_mutual, S_IRUGO | S_IWUSR); |
| 501 | /* |
| 502 | * Mutual authentication password |
| 503 | */ |
| 504 | DEF_NACL_AUTH_STR(password_mutual, NAF_PASSWORD_IN_SET); |
| 505 | AUTH_ATTR(password_mutual, S_IRUGO | S_IWUSR); |
| 506 | |
| 507 | static struct configfs_attribute *lio_target_nacl_auth_attrs[] = { |
| 508 | &iscsi_nacl_auth_userid.attr, |
| 509 | &iscsi_nacl_auth_password.attr, |
| 510 | &iscsi_nacl_auth_authenticate_target.attr, |
| 511 | &iscsi_nacl_auth_userid_mutual.attr, |
| 512 | &iscsi_nacl_auth_password_mutual.attr, |
| 513 | NULL, |
| 514 | }; |
| 515 | |
| 516 | /* End items for lio_target_nacl_auth_cit */ |
| 517 | |
| 518 | /* Start items for lio_target_nacl_param_cit */ |
| 519 | |
| 520 | #define DEF_NACL_PARAM(name) \ |
| 521 | static ssize_t iscsi_nacl_param_show_##name( \ |
| 522 | struct se_node_acl *se_nacl, \ |
| 523 | char *page) \ |
| 524 | { \ |
| 525 | struct iscsi_session *sess; \ |
| 526 | struct se_session *se_sess; \ |
| 527 | ssize_t rb; \ |
| 528 | \ |
| 529 | spin_lock_bh(&se_nacl->nacl_sess_lock); \ |
| 530 | se_sess = se_nacl->nacl_sess; \ |
| 531 | if (!se_sess) { \ |
| 532 | rb = snprintf(page, PAGE_SIZE, \ |
| 533 | "No Active iSCSI Session\n"); \ |
| 534 | } else { \ |
| 535 | sess = se_sess->fabric_sess_ptr; \ |
| 536 | rb = snprintf(page, PAGE_SIZE, "%u\n", \ |
| 537 | (u32)sess->sess_ops->name); \ |
| 538 | } \ |
| 539 | spin_unlock_bh(&se_nacl->nacl_sess_lock); \ |
| 540 | \ |
| 541 | return rb; \ |
| 542 | } |
| 543 | |
| 544 | #define NACL_PARAM_ATTR(_name) TF_NACL_PARAM_ATTR_RO(iscsi, _name); |
| 545 | |
| 546 | DEF_NACL_PARAM(MaxConnections); |
| 547 | NACL_PARAM_ATTR(MaxConnections); |
| 548 | |
| 549 | DEF_NACL_PARAM(InitialR2T); |
| 550 | NACL_PARAM_ATTR(InitialR2T); |
| 551 | |
| 552 | DEF_NACL_PARAM(ImmediateData); |
| 553 | NACL_PARAM_ATTR(ImmediateData); |
| 554 | |
| 555 | DEF_NACL_PARAM(MaxBurstLength); |
| 556 | NACL_PARAM_ATTR(MaxBurstLength); |
| 557 | |
| 558 | DEF_NACL_PARAM(FirstBurstLength); |
| 559 | NACL_PARAM_ATTR(FirstBurstLength); |
| 560 | |
| 561 | DEF_NACL_PARAM(DefaultTime2Wait); |
| 562 | NACL_PARAM_ATTR(DefaultTime2Wait); |
| 563 | |
| 564 | DEF_NACL_PARAM(DefaultTime2Retain); |
| 565 | NACL_PARAM_ATTR(DefaultTime2Retain); |
| 566 | |
| 567 | DEF_NACL_PARAM(MaxOutstandingR2T); |
| 568 | NACL_PARAM_ATTR(MaxOutstandingR2T); |
| 569 | |
| 570 | DEF_NACL_PARAM(DataPDUInOrder); |
| 571 | NACL_PARAM_ATTR(DataPDUInOrder); |
| 572 | |
| 573 | DEF_NACL_PARAM(DataSequenceInOrder); |
| 574 | NACL_PARAM_ATTR(DataSequenceInOrder); |
| 575 | |
| 576 | DEF_NACL_PARAM(ErrorRecoveryLevel); |
| 577 | NACL_PARAM_ATTR(ErrorRecoveryLevel); |
| 578 | |
| 579 | static struct configfs_attribute *lio_target_nacl_param_attrs[] = { |
| 580 | &iscsi_nacl_param_MaxConnections.attr, |
| 581 | &iscsi_nacl_param_InitialR2T.attr, |
| 582 | &iscsi_nacl_param_ImmediateData.attr, |
| 583 | &iscsi_nacl_param_MaxBurstLength.attr, |
| 584 | &iscsi_nacl_param_FirstBurstLength.attr, |
| 585 | &iscsi_nacl_param_DefaultTime2Wait.attr, |
| 586 | &iscsi_nacl_param_DefaultTime2Retain.attr, |
| 587 | &iscsi_nacl_param_MaxOutstandingR2T.attr, |
| 588 | &iscsi_nacl_param_DataPDUInOrder.attr, |
| 589 | &iscsi_nacl_param_DataSequenceInOrder.attr, |
| 590 | &iscsi_nacl_param_ErrorRecoveryLevel.attr, |
| 591 | NULL, |
| 592 | }; |
| 593 | |
| 594 | /* End items for lio_target_nacl_param_cit */ |
| 595 | |
| 596 | /* Start items for lio_target_acl_cit */ |
| 597 | |
| 598 | static ssize_t lio_target_nacl_show_info( |
| 599 | struct se_node_acl *se_nacl, |
| 600 | char *page) |
| 601 | { |
| 602 | struct iscsi_session *sess; |
| 603 | struct iscsi_conn *conn; |
| 604 | struct se_session *se_sess; |
| 605 | ssize_t rb = 0; |
| 606 | |
| 607 | spin_lock_bh(&se_nacl->nacl_sess_lock); |
| 608 | se_sess = se_nacl->nacl_sess; |
| 609 | if (!se_sess) { |
| 610 | rb += sprintf(page+rb, "No active iSCSI Session for Initiator" |
| 611 | " Endpoint: %s\n", se_nacl->initiatorname); |
| 612 | } else { |
| 613 | sess = se_sess->fabric_sess_ptr; |
| 614 | |
| 615 | if (sess->sess_ops->InitiatorName) |
| 616 | rb += sprintf(page+rb, "InitiatorName: %s\n", |
| 617 | sess->sess_ops->InitiatorName); |
| 618 | if (sess->sess_ops->InitiatorAlias) |
| 619 | rb += sprintf(page+rb, "InitiatorAlias: %s\n", |
| 620 | sess->sess_ops->InitiatorAlias); |
| 621 | |
| 622 | rb += sprintf(page+rb, "LIO Session ID: %u " |
| 623 | "ISID: 0x%02x %02x %02x %02x %02x %02x " |
| 624 | "TSIH: %hu ", sess->sid, |
| 625 | sess->isid[0], sess->isid[1], sess->isid[2], |
| 626 | sess->isid[3], sess->isid[4], sess->isid[5], |
| 627 | sess->tsih); |
| 628 | rb += sprintf(page+rb, "SessionType: %s\n", |
| 629 | (sess->sess_ops->SessionType) ? |
| 630 | "Discovery" : "Normal"); |
| 631 | rb += sprintf(page+rb, "Session State: "); |
| 632 | switch (sess->session_state) { |
| 633 | case TARG_SESS_STATE_FREE: |
| 634 | rb += sprintf(page+rb, "TARG_SESS_FREE\n"); |
| 635 | break; |
| 636 | case TARG_SESS_STATE_ACTIVE: |
| 637 | rb += sprintf(page+rb, "TARG_SESS_STATE_ACTIVE\n"); |
| 638 | break; |
| 639 | case TARG_SESS_STATE_LOGGED_IN: |
| 640 | rb += sprintf(page+rb, "TARG_SESS_STATE_LOGGED_IN\n"); |
| 641 | break; |
| 642 | case TARG_SESS_STATE_FAILED: |
| 643 | rb += sprintf(page+rb, "TARG_SESS_STATE_FAILED\n"); |
| 644 | break; |
| 645 | case TARG_SESS_STATE_IN_CONTINUE: |
| 646 | rb += sprintf(page+rb, "TARG_SESS_STATE_IN_CONTINUE\n"); |
| 647 | break; |
| 648 | default: |
| 649 | rb += sprintf(page+rb, "ERROR: Unknown Session" |
| 650 | " State!\n"); |
| 651 | break; |
| 652 | } |
| 653 | |
| 654 | rb += sprintf(page+rb, "---------------------[iSCSI Session" |
| 655 | " Values]-----------------------\n"); |
| 656 | rb += sprintf(page+rb, " CmdSN/WR : CmdSN/WC : ExpCmdSN" |
| 657 | " : MaxCmdSN : ITT : TTT\n"); |
| 658 | rb += sprintf(page+rb, " 0x%08x 0x%08x 0x%08x 0x%08x" |
| 659 | " 0x%08x 0x%08x\n", |
| 660 | sess->cmdsn_window, |
| 661 | (sess->max_cmd_sn - sess->exp_cmd_sn) + 1, |
| 662 | sess->exp_cmd_sn, sess->max_cmd_sn, |
| 663 | sess->init_task_tag, sess->targ_xfer_tag); |
| 664 | rb += sprintf(page+rb, "----------------------[iSCSI" |
| 665 | " Connections]-------------------------\n"); |
| 666 | |
| 667 | spin_lock(&sess->conn_lock); |
| 668 | list_for_each_entry(conn, &sess->sess_conn_list, conn_list) { |
| 669 | rb += sprintf(page+rb, "CID: %hu Connection" |
| 670 | " State: ", conn->cid); |
| 671 | switch (conn->conn_state) { |
| 672 | case TARG_CONN_STATE_FREE: |
| 673 | rb += sprintf(page+rb, |
| 674 | "TARG_CONN_STATE_FREE\n"); |
| 675 | break; |
| 676 | case TARG_CONN_STATE_XPT_UP: |
| 677 | rb += sprintf(page+rb, |
| 678 | "TARG_CONN_STATE_XPT_UP\n"); |
| 679 | break; |
| 680 | case TARG_CONN_STATE_IN_LOGIN: |
| 681 | rb += sprintf(page+rb, |
| 682 | "TARG_CONN_STATE_IN_LOGIN\n"); |
| 683 | break; |
| 684 | case TARG_CONN_STATE_LOGGED_IN: |
| 685 | rb += sprintf(page+rb, |
| 686 | "TARG_CONN_STATE_LOGGED_IN\n"); |
| 687 | break; |
| 688 | case TARG_CONN_STATE_IN_LOGOUT: |
| 689 | rb += sprintf(page+rb, |
| 690 | "TARG_CONN_STATE_IN_LOGOUT\n"); |
| 691 | break; |
| 692 | case TARG_CONN_STATE_LOGOUT_REQUESTED: |
| 693 | rb += sprintf(page+rb, |
| 694 | "TARG_CONN_STATE_LOGOUT_REQUESTED\n"); |
| 695 | break; |
| 696 | case TARG_CONN_STATE_CLEANUP_WAIT: |
| 697 | rb += sprintf(page+rb, |
| 698 | "TARG_CONN_STATE_CLEANUP_WAIT\n"); |
| 699 | break; |
| 700 | default: |
| 701 | rb += sprintf(page+rb, |
| 702 | "ERROR: Unknown Connection State!\n"); |
| 703 | break; |
| 704 | } |
| 705 | |
| 706 | rb += sprintf(page+rb, " Address %s %s", conn->login_ip, |
| 707 | (conn->network_transport == ISCSI_TCP) ? |
| 708 | "TCP" : "SCTP"); |
| 709 | rb += sprintf(page+rb, " StatSN: 0x%08x\n", |
| 710 | conn->stat_sn); |
| 711 | } |
| 712 | spin_unlock(&sess->conn_lock); |
| 713 | } |
| 714 | spin_unlock_bh(&se_nacl->nacl_sess_lock); |
| 715 | |
| 716 | return rb; |
| 717 | } |
| 718 | |
| 719 | TF_NACL_BASE_ATTR_RO(lio_target, info); |
| 720 | |
| 721 | static ssize_t lio_target_nacl_show_cmdsn_depth( |
| 722 | struct se_node_acl *se_nacl, |
| 723 | char *page) |
| 724 | { |
| 725 | return sprintf(page, "%u\n", se_nacl->queue_depth); |
| 726 | } |
| 727 | |
| 728 | static ssize_t lio_target_nacl_store_cmdsn_depth( |
| 729 | struct se_node_acl *se_nacl, |
| 730 | const char *page, |
| 731 | size_t count) |
| 732 | { |
| 733 | struct se_portal_group *se_tpg = se_nacl->se_tpg; |
| 734 | struct iscsi_portal_group *tpg = container_of(se_tpg, |
| 735 | struct iscsi_portal_group, tpg_se_tpg); |
| 736 | struct config_item *acl_ci, *tpg_ci, *wwn_ci; |
| 737 | char *endptr; |
| 738 | u32 cmdsn_depth = 0; |
| 739 | int ret; |
| 740 | |
| 741 | cmdsn_depth = simple_strtoul(page, &endptr, 0); |
| 742 | if (cmdsn_depth > TA_DEFAULT_CMDSN_DEPTH_MAX) { |
| 743 | pr_err("Passed cmdsn_depth: %u exceeds" |
| 744 | " TA_DEFAULT_CMDSN_DEPTH_MAX: %u\n", cmdsn_depth, |
| 745 | TA_DEFAULT_CMDSN_DEPTH_MAX); |
| 746 | return -EINVAL; |
| 747 | } |
| 748 | acl_ci = &se_nacl->acl_group.cg_item; |
| 749 | if (!acl_ci) { |
| 750 | pr_err("Unable to locatel acl_ci\n"); |
| 751 | return -EINVAL; |
| 752 | } |
| 753 | tpg_ci = &acl_ci->ci_parent->ci_group->cg_item; |
| 754 | if (!tpg_ci) { |
| 755 | pr_err("Unable to locate tpg_ci\n"); |
| 756 | return -EINVAL; |
| 757 | } |
| 758 | wwn_ci = &tpg_ci->ci_group->cg_item; |
| 759 | if (!wwn_ci) { |
| 760 | pr_err("Unable to locate config_item wwn_ci\n"); |
| 761 | return -EINVAL; |
| 762 | } |
| 763 | |
| 764 | if (iscsit_get_tpg(tpg) < 0) |
| 765 | return -EINVAL; |
| 766 | /* |
| 767 | * iscsit_tpg_set_initiator_node_queue_depth() assumes force=1 |
| 768 | */ |
| 769 | ret = iscsit_tpg_set_initiator_node_queue_depth(tpg, |
| 770 | config_item_name(acl_ci), cmdsn_depth, 1); |
| 771 | |
| 772 | pr_debug("LIO_Target_ConfigFS: %s/%s Set CmdSN Window: %u for" |
| 773 | "InitiatorName: %s\n", config_item_name(wwn_ci), |
| 774 | config_item_name(tpg_ci), cmdsn_depth, |
| 775 | config_item_name(acl_ci)); |
| 776 | |
| 777 | iscsit_put_tpg(tpg); |
| 778 | return (!ret) ? count : (ssize_t)ret; |
| 779 | } |
| 780 | |
| 781 | TF_NACL_BASE_ATTR(lio_target, cmdsn_depth, S_IRUGO | S_IWUSR); |
| 782 | |
| 783 | static struct configfs_attribute *lio_target_initiator_attrs[] = { |
| 784 | &lio_target_nacl_info.attr, |
| 785 | &lio_target_nacl_cmdsn_depth.attr, |
| 786 | NULL, |
| 787 | }; |
| 788 | |
| 789 | static struct se_node_acl *lio_tpg_alloc_fabric_acl( |
| 790 | struct se_portal_group *se_tpg) |
| 791 | { |
| 792 | struct iscsi_node_acl *acl; |
| 793 | |
| 794 | acl = kzalloc(sizeof(struct iscsi_node_acl), GFP_KERNEL); |
| 795 | if (!acl) { |
| 796 | pr_err("Unable to allocate memory for struct iscsi_node_acl\n"); |
| 797 | return NULL; |
| 798 | } |
| 799 | |
| 800 | return &acl->se_node_acl; |
| 801 | } |
| 802 | |
| 803 | static struct se_node_acl *lio_target_make_nodeacl( |
| 804 | struct se_portal_group *se_tpg, |
| 805 | struct config_group *group, |
| 806 | const char *name) |
| 807 | { |
| 808 | struct config_group *stats_cg; |
| 809 | struct iscsi_node_acl *acl; |
| 810 | struct se_node_acl *se_nacl_new, *se_nacl; |
| 811 | struct iscsi_portal_group *tpg = container_of(se_tpg, |
| 812 | struct iscsi_portal_group, tpg_se_tpg); |
| 813 | u32 cmdsn_depth; |
| 814 | |
| 815 | se_nacl_new = lio_tpg_alloc_fabric_acl(se_tpg); |
| 816 | if (!se_nacl_new) |
| 817 | return ERR_PTR(-ENOMEM); |
| 818 | |
| 819 | acl = container_of(se_nacl_new, struct iscsi_node_acl, |
| 820 | se_node_acl); |
| 821 | |
| 822 | cmdsn_depth = ISCSI_TPG_ATTRIB(tpg)->default_cmdsn_depth; |
| 823 | /* |
| 824 | * se_nacl_new may be released by core_tpg_add_initiator_node_acl() |
| 825 | * when converting a NdoeACL from demo mode -> explict |
| 826 | */ |
| 827 | se_nacl = core_tpg_add_initiator_node_acl(se_tpg, se_nacl_new, |
| 828 | name, cmdsn_depth); |
| 829 | if (IS_ERR(se_nacl)) |
| 830 | return se_nacl; |
| 831 | |
| 832 | stats_cg = &acl->se_node_acl.acl_fabric_stat_group; |
| 833 | |
| 834 | stats_cg->default_groups = kzalloc(sizeof(struct config_group) * 2, |
| 835 | GFP_KERNEL); |
| 836 | if (!stats_cg->default_groups) { |
| 837 | pr_err("Unable to allocate memory for" |
| 838 | " stats_cg->default_groups\n"); |
| 839 | core_tpg_del_initiator_node_acl(se_tpg, se_nacl, 1); |
| 840 | kfree(acl); |
| 841 | return ERR_PTR(-ENOMEM); |
| 842 | } |
| 843 | |
| 844 | stats_cg->default_groups[0] = &NODE_STAT_GRPS(acl)->iscsi_sess_stats_group; |
| 845 | stats_cg->default_groups[1] = NULL; |
| 846 | config_group_init_type_name(&NODE_STAT_GRPS(acl)->iscsi_sess_stats_group, |
| 847 | "iscsi_sess_stats", &iscsi_stat_sess_cit); |
| 848 | |
| 849 | return se_nacl; |
| 850 | } |
| 851 | |
| 852 | static void lio_target_drop_nodeacl( |
| 853 | struct se_node_acl *se_nacl) |
| 854 | { |
| 855 | struct se_portal_group *se_tpg = se_nacl->se_tpg; |
| 856 | struct iscsi_node_acl *acl = container_of(se_nacl, |
| 857 | struct iscsi_node_acl, se_node_acl); |
| 858 | struct config_item *df_item; |
| 859 | struct config_group *stats_cg; |
| 860 | int i; |
| 861 | |
| 862 | stats_cg = &acl->se_node_acl.acl_fabric_stat_group; |
| 863 | for (i = 0; stats_cg->default_groups[i]; i++) { |
| 864 | df_item = &stats_cg->default_groups[i]->cg_item; |
| 865 | stats_cg->default_groups[i] = NULL; |
| 866 | config_item_put(df_item); |
| 867 | } |
| 868 | kfree(stats_cg->default_groups); |
| 869 | |
| 870 | core_tpg_del_initiator_node_acl(se_tpg, se_nacl, 1); |
| 871 | kfree(acl); |
| 872 | } |
| 873 | |
| 874 | /* End items for lio_target_acl_cit */ |
| 875 | |
| 876 | /* Start items for lio_target_tpg_attrib_cit */ |
| 877 | |
| 878 | #define DEF_TPG_ATTRIB(name) \ |
| 879 | \ |
| 880 | static ssize_t iscsi_tpg_attrib_show_##name( \ |
| 881 | struct se_portal_group *se_tpg, \ |
| 882 | char *page) \ |
| 883 | { \ |
| 884 | struct iscsi_portal_group *tpg = container_of(se_tpg, \ |
| 885 | struct iscsi_portal_group, tpg_se_tpg); \ |
| 886 | ssize_t rb; \ |
| 887 | \ |
| 888 | if (iscsit_get_tpg(tpg) < 0) \ |
| 889 | return -EINVAL; \ |
| 890 | \ |
| 891 | rb = sprintf(page, "%u\n", ISCSI_TPG_ATTRIB(tpg)->name); \ |
| 892 | iscsit_put_tpg(tpg); \ |
| 893 | return rb; \ |
| 894 | } \ |
| 895 | \ |
| 896 | static ssize_t iscsi_tpg_attrib_store_##name( \ |
| 897 | struct se_portal_group *se_tpg, \ |
| 898 | const char *page, \ |
| 899 | size_t count) \ |
| 900 | { \ |
| 901 | struct iscsi_portal_group *tpg = container_of(se_tpg, \ |
| 902 | struct iscsi_portal_group, tpg_se_tpg); \ |
| 903 | char *endptr; \ |
| 904 | u32 val; \ |
| 905 | int ret; \ |
| 906 | \ |
| 907 | if (iscsit_get_tpg(tpg) < 0) \ |
| 908 | return -EINVAL; \ |
| 909 | \ |
| 910 | val = simple_strtoul(page, &endptr, 0); \ |
| 911 | ret = iscsit_ta_##name(tpg, val); \ |
| 912 | if (ret < 0) \ |
| 913 | goto out; \ |
| 914 | \ |
| 915 | iscsit_put_tpg(tpg); \ |
| 916 | return count; \ |
| 917 | out: \ |
| 918 | iscsit_put_tpg(tpg); \ |
| 919 | return ret; \ |
| 920 | } |
| 921 | |
| 922 | #define TPG_ATTR(_name, _mode) TF_TPG_ATTRIB_ATTR(iscsi, _name, _mode); |
| 923 | |
| 924 | /* |
| 925 | * Define iscsi_tpg_attrib_s_authentication |
| 926 | */ |
| 927 | DEF_TPG_ATTRIB(authentication); |
| 928 | TPG_ATTR(authentication, S_IRUGO | S_IWUSR); |
| 929 | /* |
| 930 | * Define iscsi_tpg_attrib_s_login_timeout |
| 931 | */ |
| 932 | DEF_TPG_ATTRIB(login_timeout); |
| 933 | TPG_ATTR(login_timeout, S_IRUGO | S_IWUSR); |
| 934 | /* |
| 935 | * Define iscsi_tpg_attrib_s_netif_timeout |
| 936 | */ |
| 937 | DEF_TPG_ATTRIB(netif_timeout); |
| 938 | TPG_ATTR(netif_timeout, S_IRUGO | S_IWUSR); |
| 939 | /* |
| 940 | * Define iscsi_tpg_attrib_s_generate_node_acls |
| 941 | */ |
| 942 | DEF_TPG_ATTRIB(generate_node_acls); |
| 943 | TPG_ATTR(generate_node_acls, S_IRUGO | S_IWUSR); |
| 944 | /* |
| 945 | * Define iscsi_tpg_attrib_s_default_cmdsn_depth |
| 946 | */ |
| 947 | DEF_TPG_ATTRIB(default_cmdsn_depth); |
| 948 | TPG_ATTR(default_cmdsn_depth, S_IRUGO | S_IWUSR); |
| 949 | /* |
| 950 | Define iscsi_tpg_attrib_s_cache_dynamic_acls |
| 951 | */ |
| 952 | DEF_TPG_ATTRIB(cache_dynamic_acls); |
| 953 | TPG_ATTR(cache_dynamic_acls, S_IRUGO | S_IWUSR); |
| 954 | /* |
| 955 | * Define iscsi_tpg_attrib_s_demo_mode_write_protect |
| 956 | */ |
| 957 | DEF_TPG_ATTRIB(demo_mode_write_protect); |
| 958 | TPG_ATTR(demo_mode_write_protect, S_IRUGO | S_IWUSR); |
| 959 | /* |
| 960 | * Define iscsi_tpg_attrib_s_prod_mode_write_protect |
| 961 | */ |
| 962 | DEF_TPG_ATTRIB(prod_mode_write_protect); |
| 963 | TPG_ATTR(prod_mode_write_protect, S_IRUGO | S_IWUSR); |
| 964 | |
| 965 | static struct configfs_attribute *lio_target_tpg_attrib_attrs[] = { |
| 966 | &iscsi_tpg_attrib_authentication.attr, |
| 967 | &iscsi_tpg_attrib_login_timeout.attr, |
| 968 | &iscsi_tpg_attrib_netif_timeout.attr, |
| 969 | &iscsi_tpg_attrib_generate_node_acls.attr, |
| 970 | &iscsi_tpg_attrib_default_cmdsn_depth.attr, |
| 971 | &iscsi_tpg_attrib_cache_dynamic_acls.attr, |
| 972 | &iscsi_tpg_attrib_demo_mode_write_protect.attr, |
| 973 | &iscsi_tpg_attrib_prod_mode_write_protect.attr, |
| 974 | NULL, |
| 975 | }; |
| 976 | |
| 977 | /* End items for lio_target_tpg_attrib_cit */ |
| 978 | |
| 979 | /* Start items for lio_target_tpg_param_cit */ |
| 980 | |
| 981 | #define DEF_TPG_PARAM(name) \ |
| 982 | static ssize_t iscsi_tpg_param_show_##name( \ |
| 983 | struct se_portal_group *se_tpg, \ |
| 984 | char *page) \ |
| 985 | { \ |
| 986 | struct iscsi_portal_group *tpg = container_of(se_tpg, \ |
| 987 | struct iscsi_portal_group, tpg_se_tpg); \ |
| 988 | struct iscsi_param *param; \ |
| 989 | ssize_t rb; \ |
| 990 | \ |
| 991 | if (iscsit_get_tpg(tpg) < 0) \ |
| 992 | return -EINVAL; \ |
| 993 | \ |
| 994 | param = iscsi_find_param_from_key(__stringify(name), \ |
| 995 | tpg->param_list); \ |
| 996 | if (!param) { \ |
| 997 | iscsit_put_tpg(tpg); \ |
| 998 | return -EINVAL; \ |
| 999 | } \ |
| 1000 | rb = snprintf(page, PAGE_SIZE, "%s\n", param->value); \ |
| 1001 | \ |
| 1002 | iscsit_put_tpg(tpg); \ |
| 1003 | return rb; \ |
| 1004 | } \ |
| 1005 | static ssize_t iscsi_tpg_param_store_##name( \ |
| 1006 | struct se_portal_group *se_tpg, \ |
| 1007 | const char *page, \ |
| 1008 | size_t count) \ |
| 1009 | { \ |
| 1010 | struct iscsi_portal_group *tpg = container_of(se_tpg, \ |
| 1011 | struct iscsi_portal_group, tpg_se_tpg); \ |
| 1012 | char *buf; \ |
| 1013 | int ret; \ |
| 1014 | \ |
| 1015 | buf = kzalloc(PAGE_SIZE, GFP_KERNEL); \ |
| 1016 | if (!buf) \ |
| 1017 | return -ENOMEM; \ |
| 1018 | snprintf(buf, PAGE_SIZE, "%s=%s", __stringify(name), page); \ |
| 1019 | buf[strlen(buf)-1] = '\0'; /* Kill newline */ \ |
| 1020 | \ |
| 1021 | if (iscsit_get_tpg(tpg) < 0) { \ |
| 1022 | kfree(buf); \ |
| 1023 | return -EINVAL; \ |
| 1024 | } \ |
| 1025 | \ |
| 1026 | ret = iscsi_change_param_value(buf, tpg->param_list, 1); \ |
| 1027 | if (ret < 0) \ |
| 1028 | goto out; \ |
| 1029 | \ |
| 1030 | kfree(buf); \ |
| 1031 | iscsit_put_tpg(tpg); \ |
| 1032 | return count; \ |
| 1033 | out: \ |
| 1034 | kfree(buf); \ |
| 1035 | iscsit_put_tpg(tpg); \ |
| 1036 | return -EINVAL; \ |
| 1037 | } |
| 1038 | |
| 1039 | #define TPG_PARAM_ATTR(_name, _mode) TF_TPG_PARAM_ATTR(iscsi, _name, _mode); |
| 1040 | |
| 1041 | DEF_TPG_PARAM(AuthMethod); |
| 1042 | TPG_PARAM_ATTR(AuthMethod, S_IRUGO | S_IWUSR); |
| 1043 | |
| 1044 | DEF_TPG_PARAM(HeaderDigest); |
| 1045 | TPG_PARAM_ATTR(HeaderDigest, S_IRUGO | S_IWUSR); |
| 1046 | |
| 1047 | DEF_TPG_PARAM(DataDigest); |
| 1048 | TPG_PARAM_ATTR(DataDigest, S_IRUGO | S_IWUSR); |
| 1049 | |
| 1050 | DEF_TPG_PARAM(MaxConnections); |
| 1051 | TPG_PARAM_ATTR(MaxConnections, S_IRUGO | S_IWUSR); |
| 1052 | |
| 1053 | DEF_TPG_PARAM(TargetAlias); |
| 1054 | TPG_PARAM_ATTR(TargetAlias, S_IRUGO | S_IWUSR); |
| 1055 | |
| 1056 | DEF_TPG_PARAM(InitialR2T); |
| 1057 | TPG_PARAM_ATTR(InitialR2T, S_IRUGO | S_IWUSR); |
| 1058 | |
| 1059 | DEF_TPG_PARAM(ImmediateData); |
| 1060 | TPG_PARAM_ATTR(ImmediateData, S_IRUGO | S_IWUSR); |
| 1061 | |
| 1062 | DEF_TPG_PARAM(MaxRecvDataSegmentLength); |
| 1063 | TPG_PARAM_ATTR(MaxRecvDataSegmentLength, S_IRUGO | S_IWUSR); |
| 1064 | |
| 1065 | DEF_TPG_PARAM(MaxBurstLength); |
| 1066 | TPG_PARAM_ATTR(MaxBurstLength, S_IRUGO | S_IWUSR); |
| 1067 | |
| 1068 | DEF_TPG_PARAM(FirstBurstLength); |
| 1069 | TPG_PARAM_ATTR(FirstBurstLength, S_IRUGO | S_IWUSR); |
| 1070 | |
| 1071 | DEF_TPG_PARAM(DefaultTime2Wait); |
| 1072 | TPG_PARAM_ATTR(DefaultTime2Wait, S_IRUGO | S_IWUSR); |
| 1073 | |
| 1074 | DEF_TPG_PARAM(DefaultTime2Retain); |
| 1075 | TPG_PARAM_ATTR(DefaultTime2Retain, S_IRUGO | S_IWUSR); |
| 1076 | |
| 1077 | DEF_TPG_PARAM(MaxOutstandingR2T); |
| 1078 | TPG_PARAM_ATTR(MaxOutstandingR2T, S_IRUGO | S_IWUSR); |
| 1079 | |
| 1080 | DEF_TPG_PARAM(DataPDUInOrder); |
| 1081 | TPG_PARAM_ATTR(DataPDUInOrder, S_IRUGO | S_IWUSR); |
| 1082 | |
| 1083 | DEF_TPG_PARAM(DataSequenceInOrder); |
| 1084 | TPG_PARAM_ATTR(DataSequenceInOrder, S_IRUGO | S_IWUSR); |
| 1085 | |
| 1086 | DEF_TPG_PARAM(ErrorRecoveryLevel); |
| 1087 | TPG_PARAM_ATTR(ErrorRecoveryLevel, S_IRUGO | S_IWUSR); |
| 1088 | |
| 1089 | DEF_TPG_PARAM(IFMarker); |
| 1090 | TPG_PARAM_ATTR(IFMarker, S_IRUGO | S_IWUSR); |
| 1091 | |
| 1092 | DEF_TPG_PARAM(OFMarker); |
| 1093 | TPG_PARAM_ATTR(OFMarker, S_IRUGO | S_IWUSR); |
| 1094 | |
| 1095 | DEF_TPG_PARAM(IFMarkInt); |
| 1096 | TPG_PARAM_ATTR(IFMarkInt, S_IRUGO | S_IWUSR); |
| 1097 | |
| 1098 | DEF_TPG_PARAM(OFMarkInt); |
| 1099 | TPG_PARAM_ATTR(OFMarkInt, S_IRUGO | S_IWUSR); |
| 1100 | |
| 1101 | static struct configfs_attribute *lio_target_tpg_param_attrs[] = { |
| 1102 | &iscsi_tpg_param_AuthMethod.attr, |
| 1103 | &iscsi_tpg_param_HeaderDigest.attr, |
| 1104 | &iscsi_tpg_param_DataDigest.attr, |
| 1105 | &iscsi_tpg_param_MaxConnections.attr, |
| 1106 | &iscsi_tpg_param_TargetAlias.attr, |
| 1107 | &iscsi_tpg_param_InitialR2T.attr, |
| 1108 | &iscsi_tpg_param_ImmediateData.attr, |
| 1109 | &iscsi_tpg_param_MaxRecvDataSegmentLength.attr, |
| 1110 | &iscsi_tpg_param_MaxBurstLength.attr, |
| 1111 | &iscsi_tpg_param_FirstBurstLength.attr, |
| 1112 | &iscsi_tpg_param_DefaultTime2Wait.attr, |
| 1113 | &iscsi_tpg_param_DefaultTime2Retain.attr, |
| 1114 | &iscsi_tpg_param_MaxOutstandingR2T.attr, |
| 1115 | &iscsi_tpg_param_DataPDUInOrder.attr, |
| 1116 | &iscsi_tpg_param_DataSequenceInOrder.attr, |
| 1117 | &iscsi_tpg_param_ErrorRecoveryLevel.attr, |
| 1118 | &iscsi_tpg_param_IFMarker.attr, |
| 1119 | &iscsi_tpg_param_OFMarker.attr, |
| 1120 | &iscsi_tpg_param_IFMarkInt.attr, |
| 1121 | &iscsi_tpg_param_OFMarkInt.attr, |
| 1122 | NULL, |
| 1123 | }; |
| 1124 | |
| 1125 | /* End items for lio_target_tpg_param_cit */ |
| 1126 | |
| 1127 | /* Start items for lio_target_tpg_cit */ |
| 1128 | |
| 1129 | static ssize_t lio_target_tpg_show_enable( |
| 1130 | struct se_portal_group *se_tpg, |
| 1131 | char *page) |
| 1132 | { |
| 1133 | struct iscsi_portal_group *tpg = container_of(se_tpg, |
| 1134 | struct iscsi_portal_group, tpg_se_tpg); |
| 1135 | ssize_t len; |
| 1136 | |
| 1137 | spin_lock(&tpg->tpg_state_lock); |
| 1138 | len = sprintf(page, "%d\n", |
| 1139 | (tpg->tpg_state == TPG_STATE_ACTIVE) ? 1 : 0); |
| 1140 | spin_unlock(&tpg->tpg_state_lock); |
| 1141 | |
| 1142 | return len; |
| 1143 | } |
| 1144 | |
| 1145 | static ssize_t lio_target_tpg_store_enable( |
| 1146 | struct se_portal_group *se_tpg, |
| 1147 | const char *page, |
| 1148 | size_t count) |
| 1149 | { |
| 1150 | struct iscsi_portal_group *tpg = container_of(se_tpg, |
| 1151 | struct iscsi_portal_group, tpg_se_tpg); |
| 1152 | char *endptr; |
| 1153 | u32 op; |
| 1154 | int ret = 0; |
| 1155 | |
| 1156 | op = simple_strtoul(page, &endptr, 0); |
| 1157 | if ((op != 1) && (op != 0)) { |
| 1158 | pr_err("Illegal value for tpg_enable: %u\n", op); |
| 1159 | return -EINVAL; |
| 1160 | } |
| 1161 | |
| 1162 | ret = iscsit_get_tpg(tpg); |
| 1163 | if (ret < 0) |
| 1164 | return -EINVAL; |
| 1165 | |
| 1166 | if (op) { |
| 1167 | ret = iscsit_tpg_enable_portal_group(tpg); |
| 1168 | if (ret < 0) |
| 1169 | goto out; |
| 1170 | } else { |
| 1171 | /* |
| 1172 | * iscsit_tpg_disable_portal_group() assumes force=1 |
| 1173 | */ |
| 1174 | ret = iscsit_tpg_disable_portal_group(tpg, 1); |
| 1175 | if (ret < 0) |
| 1176 | goto out; |
| 1177 | } |
| 1178 | |
| 1179 | iscsit_put_tpg(tpg); |
| 1180 | return count; |
| 1181 | out: |
| 1182 | iscsit_put_tpg(tpg); |
| 1183 | return -EINVAL; |
| 1184 | } |
| 1185 | |
| 1186 | TF_TPG_BASE_ATTR(lio_target, enable, S_IRUGO | S_IWUSR); |
| 1187 | |
| 1188 | static struct configfs_attribute *lio_target_tpg_attrs[] = { |
| 1189 | &lio_target_tpg_enable.attr, |
| 1190 | NULL, |
| 1191 | }; |
| 1192 | |
| 1193 | /* End items for lio_target_tpg_cit */ |
| 1194 | |
| 1195 | /* Start items for lio_target_tiqn_cit */ |
| 1196 | |
| 1197 | struct se_portal_group *lio_target_tiqn_addtpg( |
| 1198 | struct se_wwn *wwn, |
| 1199 | struct config_group *group, |
| 1200 | const char *name) |
| 1201 | { |
| 1202 | struct iscsi_portal_group *tpg; |
| 1203 | struct iscsi_tiqn *tiqn; |
| 1204 | char *tpgt_str, *end_ptr; |
| 1205 | int ret = 0; |
| 1206 | unsigned short int tpgt; |
| 1207 | |
| 1208 | tiqn = container_of(wwn, struct iscsi_tiqn, tiqn_wwn); |
| 1209 | /* |
| 1210 | * Only tpgt_# directory groups can be created below |
| 1211 | * target/iscsi/iqn.superturodiskarry/ |
| 1212 | */ |
| 1213 | tpgt_str = strstr(name, "tpgt_"); |
| 1214 | if (!tpgt_str) { |
| 1215 | pr_err("Unable to locate \"tpgt_#\" directory" |
| 1216 | " group\n"); |
| 1217 | return NULL; |
| 1218 | } |
| 1219 | tpgt_str += 5; /* Skip ahead of "tpgt_" */ |
| 1220 | tpgt = (unsigned short int) simple_strtoul(tpgt_str, &end_ptr, 0); |
| 1221 | |
| 1222 | tpg = iscsit_alloc_portal_group(tiqn, tpgt); |
| 1223 | if (!tpg) |
| 1224 | return NULL; |
| 1225 | |
| 1226 | ret = core_tpg_register( |
| 1227 | &lio_target_fabric_configfs->tf_ops, |
| 1228 | wwn, &tpg->tpg_se_tpg, (void *)tpg, |
| 1229 | TRANSPORT_TPG_TYPE_NORMAL); |
| 1230 | if (ret < 0) |
| 1231 | return NULL; |
| 1232 | |
| 1233 | ret = iscsit_tpg_add_portal_group(tiqn, tpg); |
| 1234 | if (ret != 0) |
| 1235 | goto out; |
| 1236 | |
| 1237 | pr_debug("LIO_Target_ConfigFS: REGISTER -> %s\n", tiqn->tiqn); |
| 1238 | pr_debug("LIO_Target_ConfigFS: REGISTER -> Allocated TPG: %s\n", |
| 1239 | name); |
| 1240 | return &tpg->tpg_se_tpg; |
| 1241 | out: |
| 1242 | core_tpg_deregister(&tpg->tpg_se_tpg); |
| 1243 | kfree(tpg); |
| 1244 | return NULL; |
| 1245 | } |
| 1246 | |
| 1247 | void lio_target_tiqn_deltpg(struct se_portal_group *se_tpg) |
| 1248 | { |
| 1249 | struct iscsi_portal_group *tpg; |
| 1250 | struct iscsi_tiqn *tiqn; |
| 1251 | |
| 1252 | tpg = container_of(se_tpg, struct iscsi_portal_group, tpg_se_tpg); |
| 1253 | tiqn = tpg->tpg_tiqn; |
| 1254 | /* |
| 1255 | * iscsit_tpg_del_portal_group() assumes force=1 |
| 1256 | */ |
| 1257 | pr_debug("LIO_Target_ConfigFS: DEREGISTER -> Releasing TPG\n"); |
| 1258 | iscsit_tpg_del_portal_group(tiqn, tpg, 1); |
| 1259 | } |
| 1260 | |
| 1261 | /* End items for lio_target_tiqn_cit */ |
| 1262 | |
| 1263 | /* Start LIO-Target TIQN struct contig_item lio_target_cit */ |
| 1264 | |
| 1265 | static ssize_t lio_target_wwn_show_attr_lio_version( |
| 1266 | struct target_fabric_configfs *tf, |
| 1267 | char *page) |
| 1268 | { |
| 1269 | return sprintf(page, "RisingTide Systems Linux-iSCSI Target "ISCSIT_VERSION"\n"); |
| 1270 | } |
| 1271 | |
| 1272 | TF_WWN_ATTR_RO(lio_target, lio_version); |
| 1273 | |
| 1274 | static struct configfs_attribute *lio_target_wwn_attrs[] = { |
| 1275 | &lio_target_wwn_lio_version.attr, |
| 1276 | NULL, |
| 1277 | }; |
| 1278 | |
| 1279 | struct se_wwn *lio_target_call_coreaddtiqn( |
| 1280 | struct target_fabric_configfs *tf, |
| 1281 | struct config_group *group, |
| 1282 | const char *name) |
| 1283 | { |
| 1284 | struct config_group *stats_cg; |
| 1285 | struct iscsi_tiqn *tiqn; |
| 1286 | |
| 1287 | tiqn = iscsit_add_tiqn((unsigned char *)name); |
| 1288 | if (IS_ERR(tiqn)) |
Thomas Meyer | e1750ba | 2011-08-01 23:58:18 +0200 | [diff] [blame] | 1289 | return ERR_CAST(tiqn); |
Nicholas Bellinger | e48354c | 2011-07-23 06:43:04 +0000 | [diff] [blame] | 1290 | /* |
| 1291 | * Setup struct iscsi_wwn_stat_grps for se_wwn->fabric_stat_group. |
| 1292 | */ |
| 1293 | stats_cg = &tiqn->tiqn_wwn.fabric_stat_group; |
| 1294 | |
| 1295 | stats_cg->default_groups = kzalloc(sizeof(struct config_group) * 6, |
| 1296 | GFP_KERNEL); |
| 1297 | if (!stats_cg->default_groups) { |
| 1298 | pr_err("Unable to allocate memory for" |
| 1299 | " stats_cg->default_groups\n"); |
| 1300 | iscsit_del_tiqn(tiqn); |
| 1301 | return ERR_PTR(-ENOMEM); |
| 1302 | } |
| 1303 | |
| 1304 | stats_cg->default_groups[0] = &WWN_STAT_GRPS(tiqn)->iscsi_instance_group; |
| 1305 | stats_cg->default_groups[1] = &WWN_STAT_GRPS(tiqn)->iscsi_sess_err_group; |
| 1306 | stats_cg->default_groups[2] = &WWN_STAT_GRPS(tiqn)->iscsi_tgt_attr_group; |
| 1307 | stats_cg->default_groups[3] = &WWN_STAT_GRPS(tiqn)->iscsi_login_stats_group; |
| 1308 | stats_cg->default_groups[4] = &WWN_STAT_GRPS(tiqn)->iscsi_logout_stats_group; |
| 1309 | stats_cg->default_groups[5] = NULL; |
| 1310 | config_group_init_type_name(&WWN_STAT_GRPS(tiqn)->iscsi_instance_group, |
| 1311 | "iscsi_instance", &iscsi_stat_instance_cit); |
| 1312 | config_group_init_type_name(&WWN_STAT_GRPS(tiqn)->iscsi_sess_err_group, |
| 1313 | "iscsi_sess_err", &iscsi_stat_sess_err_cit); |
| 1314 | config_group_init_type_name(&WWN_STAT_GRPS(tiqn)->iscsi_tgt_attr_group, |
| 1315 | "iscsi_tgt_attr", &iscsi_stat_tgt_attr_cit); |
| 1316 | config_group_init_type_name(&WWN_STAT_GRPS(tiqn)->iscsi_login_stats_group, |
| 1317 | "iscsi_login_stats", &iscsi_stat_login_cit); |
| 1318 | config_group_init_type_name(&WWN_STAT_GRPS(tiqn)->iscsi_logout_stats_group, |
| 1319 | "iscsi_logout_stats", &iscsi_stat_logout_cit); |
| 1320 | |
| 1321 | pr_debug("LIO_Target_ConfigFS: REGISTER -> %s\n", tiqn->tiqn); |
| 1322 | pr_debug("LIO_Target_ConfigFS: REGISTER -> Allocated Node:" |
| 1323 | " %s\n", name); |
| 1324 | return &tiqn->tiqn_wwn; |
| 1325 | } |
| 1326 | |
| 1327 | void lio_target_call_coredeltiqn( |
| 1328 | struct se_wwn *wwn) |
| 1329 | { |
| 1330 | struct iscsi_tiqn *tiqn = container_of(wwn, struct iscsi_tiqn, tiqn_wwn); |
| 1331 | struct config_item *df_item; |
| 1332 | struct config_group *stats_cg; |
| 1333 | int i; |
| 1334 | |
| 1335 | stats_cg = &tiqn->tiqn_wwn.fabric_stat_group; |
| 1336 | for (i = 0; stats_cg->default_groups[i]; i++) { |
| 1337 | df_item = &stats_cg->default_groups[i]->cg_item; |
| 1338 | stats_cg->default_groups[i] = NULL; |
| 1339 | config_item_put(df_item); |
| 1340 | } |
| 1341 | kfree(stats_cg->default_groups); |
| 1342 | |
| 1343 | pr_debug("LIO_Target_ConfigFS: DEREGISTER -> %s\n", |
| 1344 | tiqn->tiqn); |
| 1345 | iscsit_del_tiqn(tiqn); |
| 1346 | } |
| 1347 | |
| 1348 | /* End LIO-Target TIQN struct contig_lio_target_cit */ |
| 1349 | |
| 1350 | /* Start lio_target_discovery_auth_cit */ |
| 1351 | |
| 1352 | #define DEF_DISC_AUTH_STR(name, flags) \ |
| 1353 | __DEF_NACL_AUTH_STR(disc, name, flags) \ |
| 1354 | static ssize_t iscsi_disc_show_##name( \ |
| 1355 | struct target_fabric_configfs *tf, \ |
| 1356 | char *page) \ |
| 1357 | { \ |
| 1358 | return __iscsi_disc_show_##name(&iscsit_global->discovery_acl, \ |
| 1359 | page); \ |
| 1360 | } \ |
| 1361 | static ssize_t iscsi_disc_store_##name( \ |
| 1362 | struct target_fabric_configfs *tf, \ |
| 1363 | const char *page, \ |
| 1364 | size_t count) \ |
| 1365 | { \ |
| 1366 | return __iscsi_disc_store_##name(&iscsit_global->discovery_acl, \ |
| 1367 | page, count); \ |
| 1368 | } |
| 1369 | |
| 1370 | #define DEF_DISC_AUTH_INT(name) \ |
| 1371 | __DEF_NACL_AUTH_INT(disc, name) \ |
| 1372 | static ssize_t iscsi_disc_show_##name( \ |
| 1373 | struct target_fabric_configfs *tf, \ |
| 1374 | char *page) \ |
| 1375 | { \ |
| 1376 | return __iscsi_disc_show_##name(&iscsit_global->discovery_acl, \ |
| 1377 | page); \ |
| 1378 | } |
| 1379 | |
| 1380 | #define DISC_AUTH_ATTR(_name, _mode) TF_DISC_ATTR(iscsi, _name, _mode) |
| 1381 | #define DISC_AUTH_ATTR_RO(_name) TF_DISC_ATTR_RO(iscsi, _name) |
| 1382 | |
| 1383 | /* |
| 1384 | * One-way authentication userid |
| 1385 | */ |
| 1386 | DEF_DISC_AUTH_STR(userid, NAF_USERID_SET); |
| 1387 | DISC_AUTH_ATTR(userid, S_IRUGO | S_IWUSR); |
| 1388 | /* |
| 1389 | * One-way authentication password |
| 1390 | */ |
| 1391 | DEF_DISC_AUTH_STR(password, NAF_PASSWORD_SET); |
| 1392 | DISC_AUTH_ATTR(password, S_IRUGO | S_IWUSR); |
| 1393 | /* |
| 1394 | * Enforce mutual authentication |
| 1395 | */ |
| 1396 | DEF_DISC_AUTH_INT(authenticate_target); |
| 1397 | DISC_AUTH_ATTR_RO(authenticate_target); |
| 1398 | /* |
| 1399 | * Mutual authentication userid |
| 1400 | */ |
| 1401 | DEF_DISC_AUTH_STR(userid_mutual, NAF_USERID_IN_SET); |
| 1402 | DISC_AUTH_ATTR(userid_mutual, S_IRUGO | S_IWUSR); |
| 1403 | /* |
| 1404 | * Mutual authentication password |
| 1405 | */ |
| 1406 | DEF_DISC_AUTH_STR(password_mutual, NAF_PASSWORD_IN_SET); |
| 1407 | DISC_AUTH_ATTR(password_mutual, S_IRUGO | S_IWUSR); |
| 1408 | |
| 1409 | /* |
| 1410 | * enforce_discovery_auth |
| 1411 | */ |
| 1412 | static ssize_t iscsi_disc_show_enforce_discovery_auth( |
| 1413 | struct target_fabric_configfs *tf, |
| 1414 | char *page) |
| 1415 | { |
| 1416 | struct iscsi_node_auth *discovery_auth = &iscsit_global->discovery_acl.node_auth; |
| 1417 | |
| 1418 | return sprintf(page, "%d\n", discovery_auth->enforce_discovery_auth); |
| 1419 | } |
| 1420 | |
| 1421 | static ssize_t iscsi_disc_store_enforce_discovery_auth( |
| 1422 | struct target_fabric_configfs *tf, |
| 1423 | const char *page, |
| 1424 | size_t count) |
| 1425 | { |
| 1426 | struct iscsi_param *param; |
| 1427 | struct iscsi_portal_group *discovery_tpg = iscsit_global->discovery_tpg; |
| 1428 | char *endptr; |
| 1429 | u32 op; |
| 1430 | |
| 1431 | op = simple_strtoul(page, &endptr, 0); |
| 1432 | if ((op != 1) && (op != 0)) { |
| 1433 | pr_err("Illegal value for enforce_discovery_auth:" |
| 1434 | " %u\n", op); |
| 1435 | return -EINVAL; |
| 1436 | } |
| 1437 | |
| 1438 | if (!discovery_tpg) { |
| 1439 | pr_err("iscsit_global->discovery_tpg is NULL\n"); |
| 1440 | return -EINVAL; |
| 1441 | } |
| 1442 | |
| 1443 | param = iscsi_find_param_from_key(AUTHMETHOD, |
| 1444 | discovery_tpg->param_list); |
| 1445 | if (!param) |
| 1446 | return -EINVAL; |
| 1447 | |
| 1448 | if (op) { |
| 1449 | /* |
| 1450 | * Reset the AuthMethod key to CHAP. |
| 1451 | */ |
| 1452 | if (iscsi_update_param_value(param, CHAP) < 0) |
| 1453 | return -EINVAL; |
| 1454 | |
| 1455 | discovery_tpg->tpg_attrib.authentication = 1; |
| 1456 | iscsit_global->discovery_acl.node_auth.enforce_discovery_auth = 1; |
| 1457 | pr_debug("LIO-CORE[0] Successfully enabled" |
| 1458 | " authentication enforcement for iSCSI" |
| 1459 | " Discovery TPG\n"); |
| 1460 | } else { |
| 1461 | /* |
| 1462 | * Reset the AuthMethod key to CHAP,None |
| 1463 | */ |
| 1464 | if (iscsi_update_param_value(param, "CHAP,None") < 0) |
| 1465 | return -EINVAL; |
| 1466 | |
| 1467 | discovery_tpg->tpg_attrib.authentication = 0; |
| 1468 | iscsit_global->discovery_acl.node_auth.enforce_discovery_auth = 0; |
| 1469 | pr_debug("LIO-CORE[0] Successfully disabled" |
| 1470 | " authentication enforcement for iSCSI" |
| 1471 | " Discovery TPG\n"); |
| 1472 | } |
| 1473 | |
| 1474 | return count; |
| 1475 | } |
| 1476 | |
| 1477 | DISC_AUTH_ATTR(enforce_discovery_auth, S_IRUGO | S_IWUSR); |
| 1478 | |
| 1479 | static struct configfs_attribute *lio_target_discovery_auth_attrs[] = { |
| 1480 | &iscsi_disc_userid.attr, |
| 1481 | &iscsi_disc_password.attr, |
| 1482 | &iscsi_disc_authenticate_target.attr, |
| 1483 | &iscsi_disc_userid_mutual.attr, |
| 1484 | &iscsi_disc_password_mutual.attr, |
| 1485 | &iscsi_disc_enforce_discovery_auth.attr, |
| 1486 | NULL, |
| 1487 | }; |
| 1488 | |
| 1489 | /* End lio_target_discovery_auth_cit */ |
| 1490 | |
| 1491 | /* Start functions for target_core_fabric_ops */ |
| 1492 | |
| 1493 | static char *iscsi_get_fabric_name(void) |
| 1494 | { |
| 1495 | return "iSCSI"; |
| 1496 | } |
| 1497 | |
| 1498 | static u32 iscsi_get_task_tag(struct se_cmd *se_cmd) |
| 1499 | { |
| 1500 | struct iscsi_cmd *cmd = container_of(se_cmd, struct iscsi_cmd, se_cmd); |
| 1501 | |
| 1502 | return cmd->init_task_tag; |
| 1503 | } |
| 1504 | |
| 1505 | static int iscsi_get_cmd_state(struct se_cmd *se_cmd) |
| 1506 | { |
| 1507 | struct iscsi_cmd *cmd = container_of(se_cmd, struct iscsi_cmd, se_cmd); |
| 1508 | |
| 1509 | return cmd->i_state; |
| 1510 | } |
| 1511 | |
| 1512 | static int iscsi_is_state_remove(struct se_cmd *se_cmd) |
| 1513 | { |
| 1514 | struct iscsi_cmd *cmd = container_of(se_cmd, struct iscsi_cmd, se_cmd); |
| 1515 | |
| 1516 | return (cmd->i_state == ISTATE_REMOVE); |
| 1517 | } |
| 1518 | |
| 1519 | static int lio_sess_logged_in(struct se_session *se_sess) |
| 1520 | { |
| 1521 | struct iscsi_session *sess = se_sess->fabric_sess_ptr; |
| 1522 | int ret; |
| 1523 | /* |
| 1524 | * Called with spin_lock_bh(&tpg_lock); and |
| 1525 | * spin_lock(&se_tpg->session_lock); held. |
| 1526 | */ |
| 1527 | spin_lock(&sess->conn_lock); |
| 1528 | ret = (sess->session_state != TARG_SESS_STATE_LOGGED_IN); |
| 1529 | spin_unlock(&sess->conn_lock); |
| 1530 | |
| 1531 | return ret; |
| 1532 | } |
| 1533 | |
| 1534 | static u32 lio_sess_get_index(struct se_session *se_sess) |
| 1535 | { |
| 1536 | struct iscsi_session *sess = se_sess->fabric_sess_ptr; |
| 1537 | |
| 1538 | return sess->session_index; |
| 1539 | } |
| 1540 | |
| 1541 | static u32 lio_sess_get_initiator_sid( |
| 1542 | struct se_session *se_sess, |
| 1543 | unsigned char *buf, |
| 1544 | u32 size) |
| 1545 | { |
| 1546 | struct iscsi_session *sess = se_sess->fabric_sess_ptr; |
| 1547 | /* |
| 1548 | * iSCSI Initiator Session Identifier from RFC-3720. |
| 1549 | */ |
| 1550 | return snprintf(buf, size, "%02x%02x%02x%02x%02x%02x", |
| 1551 | sess->isid[0], sess->isid[1], sess->isid[2], |
| 1552 | sess->isid[3], sess->isid[4], sess->isid[5]); |
| 1553 | } |
| 1554 | |
| 1555 | static int lio_queue_data_in(struct se_cmd *se_cmd) |
| 1556 | { |
| 1557 | struct iscsi_cmd *cmd = container_of(se_cmd, struct iscsi_cmd, se_cmd); |
| 1558 | |
| 1559 | cmd->i_state = ISTATE_SEND_DATAIN; |
| 1560 | iscsit_add_cmd_to_response_queue(cmd, cmd->conn, cmd->i_state); |
| 1561 | return 0; |
| 1562 | } |
| 1563 | |
| 1564 | static int lio_write_pending(struct se_cmd *se_cmd) |
| 1565 | { |
| 1566 | struct iscsi_cmd *cmd = container_of(se_cmd, struct iscsi_cmd, se_cmd); |
| 1567 | |
| 1568 | if (!cmd->immediate_data && !cmd->unsolicited_data) |
| 1569 | return iscsit_build_r2ts_for_cmd(cmd, cmd->conn, 1); |
| 1570 | |
| 1571 | return 0; |
| 1572 | } |
| 1573 | |
| 1574 | static int lio_write_pending_status(struct se_cmd *se_cmd) |
| 1575 | { |
| 1576 | struct iscsi_cmd *cmd = container_of(se_cmd, struct iscsi_cmd, se_cmd); |
| 1577 | int ret; |
| 1578 | |
| 1579 | spin_lock_bh(&cmd->istate_lock); |
| 1580 | ret = !(cmd->cmd_flags & ICF_GOT_LAST_DATAOUT); |
| 1581 | spin_unlock_bh(&cmd->istate_lock); |
| 1582 | |
| 1583 | return ret; |
| 1584 | } |
| 1585 | |
| 1586 | static int lio_queue_status(struct se_cmd *se_cmd) |
| 1587 | { |
| 1588 | struct iscsi_cmd *cmd = container_of(se_cmd, struct iscsi_cmd, se_cmd); |
| 1589 | |
| 1590 | cmd->i_state = ISTATE_SEND_STATUS; |
| 1591 | iscsit_add_cmd_to_response_queue(cmd, cmd->conn, cmd->i_state); |
| 1592 | return 0; |
| 1593 | } |
| 1594 | |
| 1595 | static u16 lio_set_fabric_sense_len(struct se_cmd *se_cmd, u32 sense_length) |
| 1596 | { |
| 1597 | unsigned char *buffer = se_cmd->sense_buffer; |
| 1598 | /* |
| 1599 | * From RFC-3720 10.4.7. Data Segment - Sense and Response Data Segment |
| 1600 | * 16-bit SenseLength. |
| 1601 | */ |
| 1602 | buffer[0] = ((sense_length >> 8) & 0xff); |
| 1603 | buffer[1] = (sense_length & 0xff); |
| 1604 | /* |
| 1605 | * Return two byte offset into allocated sense_buffer. |
| 1606 | */ |
| 1607 | return 2; |
| 1608 | } |
| 1609 | |
| 1610 | static u16 lio_get_fabric_sense_len(void) |
| 1611 | { |
| 1612 | /* |
| 1613 | * Return two byte offset into allocated sense_buffer. |
| 1614 | */ |
| 1615 | return 2; |
| 1616 | } |
| 1617 | |
| 1618 | static int lio_queue_tm_rsp(struct se_cmd *se_cmd) |
| 1619 | { |
| 1620 | struct iscsi_cmd *cmd = container_of(se_cmd, struct iscsi_cmd, se_cmd); |
| 1621 | |
| 1622 | cmd->i_state = ISTATE_SEND_TASKMGTRSP; |
| 1623 | iscsit_add_cmd_to_response_queue(cmd, cmd->conn, cmd->i_state); |
| 1624 | return 0; |
| 1625 | } |
| 1626 | |
| 1627 | static char *lio_tpg_get_endpoint_wwn(struct se_portal_group *se_tpg) |
| 1628 | { |
| 1629 | struct iscsi_portal_group *tpg = se_tpg->se_tpg_fabric_ptr; |
| 1630 | |
| 1631 | return &tpg->tpg_tiqn->tiqn[0]; |
| 1632 | } |
| 1633 | |
| 1634 | static u16 lio_tpg_get_tag(struct se_portal_group *se_tpg) |
| 1635 | { |
| 1636 | struct iscsi_portal_group *tpg = se_tpg->se_tpg_fabric_ptr; |
| 1637 | |
| 1638 | return tpg->tpgt; |
| 1639 | } |
| 1640 | |
| 1641 | static u32 lio_tpg_get_default_depth(struct se_portal_group *se_tpg) |
| 1642 | { |
| 1643 | struct iscsi_portal_group *tpg = se_tpg->se_tpg_fabric_ptr; |
| 1644 | |
| 1645 | return ISCSI_TPG_ATTRIB(tpg)->default_cmdsn_depth; |
| 1646 | } |
| 1647 | |
| 1648 | static int lio_tpg_check_demo_mode(struct se_portal_group *se_tpg) |
| 1649 | { |
| 1650 | struct iscsi_portal_group *tpg = se_tpg->se_tpg_fabric_ptr; |
| 1651 | |
| 1652 | return ISCSI_TPG_ATTRIB(tpg)->generate_node_acls; |
| 1653 | } |
| 1654 | |
| 1655 | static int lio_tpg_check_demo_mode_cache(struct se_portal_group *se_tpg) |
| 1656 | { |
| 1657 | struct iscsi_portal_group *tpg = se_tpg->se_tpg_fabric_ptr; |
| 1658 | |
| 1659 | return ISCSI_TPG_ATTRIB(tpg)->cache_dynamic_acls; |
| 1660 | } |
| 1661 | |
| 1662 | static int lio_tpg_check_demo_mode_write_protect( |
| 1663 | struct se_portal_group *se_tpg) |
| 1664 | { |
| 1665 | struct iscsi_portal_group *tpg = se_tpg->se_tpg_fabric_ptr; |
| 1666 | |
| 1667 | return ISCSI_TPG_ATTRIB(tpg)->demo_mode_write_protect; |
| 1668 | } |
| 1669 | |
| 1670 | static int lio_tpg_check_prod_mode_write_protect( |
| 1671 | struct se_portal_group *se_tpg) |
| 1672 | { |
| 1673 | struct iscsi_portal_group *tpg = se_tpg->se_tpg_fabric_ptr; |
| 1674 | |
| 1675 | return ISCSI_TPG_ATTRIB(tpg)->prod_mode_write_protect; |
| 1676 | } |
| 1677 | |
| 1678 | static void lio_tpg_release_fabric_acl( |
| 1679 | struct se_portal_group *se_tpg, |
| 1680 | struct se_node_acl *se_acl) |
| 1681 | { |
| 1682 | struct iscsi_node_acl *acl = container_of(se_acl, |
| 1683 | struct iscsi_node_acl, se_node_acl); |
| 1684 | kfree(acl); |
| 1685 | } |
| 1686 | |
| 1687 | /* |
| 1688 | * Called with spin_lock_bh(struct se_portal_group->session_lock) held.. |
| 1689 | * |
| 1690 | * Also, this function calls iscsit_inc_session_usage_count() on the |
| 1691 | * struct iscsi_session in question. |
| 1692 | */ |
| 1693 | static int lio_tpg_shutdown_session(struct se_session *se_sess) |
| 1694 | { |
| 1695 | struct iscsi_session *sess = se_sess->fabric_sess_ptr; |
| 1696 | |
| 1697 | spin_lock(&sess->conn_lock); |
| 1698 | if (atomic_read(&sess->session_fall_back_to_erl0) || |
| 1699 | atomic_read(&sess->session_logout) || |
| 1700 | (sess->time2retain_timer_flags & ISCSI_TF_EXPIRED)) { |
| 1701 | spin_unlock(&sess->conn_lock); |
| 1702 | return 0; |
| 1703 | } |
| 1704 | atomic_set(&sess->session_reinstatement, 1); |
| 1705 | spin_unlock(&sess->conn_lock); |
| 1706 | |
| 1707 | iscsit_inc_session_usage_count(sess); |
| 1708 | iscsit_stop_time2retain_timer(sess); |
| 1709 | |
| 1710 | return 1; |
| 1711 | } |
| 1712 | |
| 1713 | /* |
| 1714 | * Calls iscsit_dec_session_usage_count() as inverse of |
| 1715 | * lio_tpg_shutdown_session() |
| 1716 | */ |
| 1717 | static void lio_tpg_close_session(struct se_session *se_sess) |
| 1718 | { |
| 1719 | struct iscsi_session *sess = se_sess->fabric_sess_ptr; |
| 1720 | /* |
| 1721 | * If the iSCSI Session for the iSCSI Initiator Node exists, |
| 1722 | * forcefully shutdown the iSCSI NEXUS. |
| 1723 | */ |
| 1724 | iscsit_stop_session(sess, 1, 1); |
| 1725 | iscsit_dec_session_usage_count(sess); |
| 1726 | iscsit_close_session(sess); |
| 1727 | } |
| 1728 | |
| 1729 | static void lio_tpg_stop_session( |
| 1730 | struct se_session *se_sess, |
| 1731 | int sess_sleep, |
| 1732 | int conn_sleep) |
| 1733 | { |
| 1734 | struct iscsi_session *sess = se_sess->fabric_sess_ptr; |
| 1735 | |
| 1736 | iscsit_stop_session(sess, sess_sleep, conn_sleep); |
| 1737 | } |
| 1738 | |
| 1739 | static void lio_tpg_fall_back_to_erl0(struct se_session *se_sess) |
| 1740 | { |
| 1741 | struct iscsi_session *sess = se_sess->fabric_sess_ptr; |
| 1742 | |
| 1743 | iscsit_fall_back_to_erl0(sess); |
| 1744 | } |
| 1745 | |
| 1746 | static u32 lio_tpg_get_inst_index(struct se_portal_group *se_tpg) |
| 1747 | { |
| 1748 | struct iscsi_portal_group *tpg = se_tpg->se_tpg_fabric_ptr; |
| 1749 | |
| 1750 | return tpg->tpg_tiqn->tiqn_index; |
| 1751 | } |
| 1752 | |
| 1753 | static void lio_set_default_node_attributes(struct se_node_acl *se_acl) |
| 1754 | { |
| 1755 | struct iscsi_node_acl *acl = container_of(se_acl, struct iscsi_node_acl, |
| 1756 | se_node_acl); |
| 1757 | |
| 1758 | ISCSI_NODE_ATTRIB(acl)->nacl = acl; |
| 1759 | iscsit_set_default_node_attribues(acl); |
| 1760 | } |
| 1761 | |
| 1762 | static void lio_release_cmd(struct se_cmd *se_cmd) |
| 1763 | { |
| 1764 | struct iscsi_cmd *cmd = container_of(se_cmd, struct iscsi_cmd, se_cmd); |
| 1765 | |
| 1766 | iscsit_release_cmd(cmd); |
| 1767 | } |
| 1768 | |
| 1769 | /* End functions for target_core_fabric_ops */ |
| 1770 | |
| 1771 | int iscsi_target_register_configfs(void) |
| 1772 | { |
| 1773 | struct target_fabric_configfs *fabric; |
| 1774 | int ret; |
| 1775 | |
| 1776 | lio_target_fabric_configfs = NULL; |
| 1777 | fabric = target_fabric_configfs_init(THIS_MODULE, "iscsi"); |
| 1778 | if (IS_ERR(fabric)) { |
| 1779 | pr_err("target_fabric_configfs_init() for" |
| 1780 | " LIO-Target failed!\n"); |
| 1781 | return PTR_ERR(fabric); |
| 1782 | } |
| 1783 | /* |
| 1784 | * Setup the fabric API of function pointers used by target_core_mod.. |
| 1785 | */ |
| 1786 | fabric->tf_ops.get_fabric_name = &iscsi_get_fabric_name; |
| 1787 | fabric->tf_ops.get_fabric_proto_ident = &iscsi_get_fabric_proto_ident; |
| 1788 | fabric->tf_ops.tpg_get_wwn = &lio_tpg_get_endpoint_wwn; |
| 1789 | fabric->tf_ops.tpg_get_tag = &lio_tpg_get_tag; |
| 1790 | fabric->tf_ops.tpg_get_default_depth = &lio_tpg_get_default_depth; |
| 1791 | fabric->tf_ops.tpg_get_pr_transport_id = &iscsi_get_pr_transport_id; |
| 1792 | fabric->tf_ops.tpg_get_pr_transport_id_len = |
| 1793 | &iscsi_get_pr_transport_id_len; |
| 1794 | fabric->tf_ops.tpg_parse_pr_out_transport_id = |
| 1795 | &iscsi_parse_pr_out_transport_id; |
| 1796 | fabric->tf_ops.tpg_check_demo_mode = &lio_tpg_check_demo_mode; |
| 1797 | fabric->tf_ops.tpg_check_demo_mode_cache = |
| 1798 | &lio_tpg_check_demo_mode_cache; |
| 1799 | fabric->tf_ops.tpg_check_demo_mode_write_protect = |
| 1800 | &lio_tpg_check_demo_mode_write_protect; |
| 1801 | fabric->tf_ops.tpg_check_prod_mode_write_protect = |
| 1802 | &lio_tpg_check_prod_mode_write_protect; |
| 1803 | fabric->tf_ops.tpg_alloc_fabric_acl = &lio_tpg_alloc_fabric_acl; |
| 1804 | fabric->tf_ops.tpg_release_fabric_acl = &lio_tpg_release_fabric_acl; |
| 1805 | fabric->tf_ops.tpg_get_inst_index = &lio_tpg_get_inst_index; |
| 1806 | fabric->tf_ops.release_cmd = &lio_release_cmd; |
| 1807 | fabric->tf_ops.shutdown_session = &lio_tpg_shutdown_session; |
| 1808 | fabric->tf_ops.close_session = &lio_tpg_close_session; |
| 1809 | fabric->tf_ops.stop_session = &lio_tpg_stop_session; |
| 1810 | fabric->tf_ops.fall_back_to_erl0 = &lio_tpg_fall_back_to_erl0; |
| 1811 | fabric->tf_ops.sess_logged_in = &lio_sess_logged_in; |
| 1812 | fabric->tf_ops.sess_get_index = &lio_sess_get_index; |
| 1813 | fabric->tf_ops.sess_get_initiator_sid = &lio_sess_get_initiator_sid; |
| 1814 | fabric->tf_ops.write_pending = &lio_write_pending; |
| 1815 | fabric->tf_ops.write_pending_status = &lio_write_pending_status; |
| 1816 | fabric->tf_ops.set_default_node_attributes = |
| 1817 | &lio_set_default_node_attributes; |
| 1818 | fabric->tf_ops.get_task_tag = &iscsi_get_task_tag; |
| 1819 | fabric->tf_ops.get_cmd_state = &iscsi_get_cmd_state; |
| 1820 | fabric->tf_ops.queue_data_in = &lio_queue_data_in; |
| 1821 | fabric->tf_ops.queue_status = &lio_queue_status; |
| 1822 | fabric->tf_ops.queue_tm_rsp = &lio_queue_tm_rsp; |
| 1823 | fabric->tf_ops.set_fabric_sense_len = &lio_set_fabric_sense_len; |
| 1824 | fabric->tf_ops.get_fabric_sense_len = &lio_get_fabric_sense_len; |
| 1825 | fabric->tf_ops.is_state_remove = &iscsi_is_state_remove; |
| 1826 | /* |
| 1827 | * Setup function pointers for generic logic in target_core_fabric_configfs.c |
| 1828 | */ |
| 1829 | fabric->tf_ops.fabric_make_wwn = &lio_target_call_coreaddtiqn; |
| 1830 | fabric->tf_ops.fabric_drop_wwn = &lio_target_call_coredeltiqn; |
| 1831 | fabric->tf_ops.fabric_make_tpg = &lio_target_tiqn_addtpg; |
| 1832 | fabric->tf_ops.fabric_drop_tpg = &lio_target_tiqn_deltpg; |
| 1833 | fabric->tf_ops.fabric_post_link = NULL; |
| 1834 | fabric->tf_ops.fabric_pre_unlink = NULL; |
| 1835 | fabric->tf_ops.fabric_make_np = &lio_target_call_addnptotpg; |
| 1836 | fabric->tf_ops.fabric_drop_np = &lio_target_call_delnpfromtpg; |
| 1837 | fabric->tf_ops.fabric_make_nodeacl = &lio_target_make_nodeacl; |
| 1838 | fabric->tf_ops.fabric_drop_nodeacl = &lio_target_drop_nodeacl; |
| 1839 | /* |
| 1840 | * Setup default attribute lists for various fabric->tf_cit_tmpl |
| 1841 | * sturct config_item_type's |
| 1842 | */ |
| 1843 | TF_CIT_TMPL(fabric)->tfc_discovery_cit.ct_attrs = lio_target_discovery_auth_attrs; |
| 1844 | TF_CIT_TMPL(fabric)->tfc_wwn_cit.ct_attrs = lio_target_wwn_attrs; |
| 1845 | TF_CIT_TMPL(fabric)->tfc_tpg_base_cit.ct_attrs = lio_target_tpg_attrs; |
| 1846 | TF_CIT_TMPL(fabric)->tfc_tpg_attrib_cit.ct_attrs = lio_target_tpg_attrib_attrs; |
| 1847 | TF_CIT_TMPL(fabric)->tfc_tpg_param_cit.ct_attrs = lio_target_tpg_param_attrs; |
| 1848 | TF_CIT_TMPL(fabric)->tfc_tpg_np_base_cit.ct_attrs = lio_target_portal_attrs; |
| 1849 | TF_CIT_TMPL(fabric)->tfc_tpg_nacl_base_cit.ct_attrs = lio_target_initiator_attrs; |
| 1850 | TF_CIT_TMPL(fabric)->tfc_tpg_nacl_attrib_cit.ct_attrs = lio_target_nacl_attrib_attrs; |
| 1851 | TF_CIT_TMPL(fabric)->tfc_tpg_nacl_auth_cit.ct_attrs = lio_target_nacl_auth_attrs; |
| 1852 | TF_CIT_TMPL(fabric)->tfc_tpg_nacl_param_cit.ct_attrs = lio_target_nacl_param_attrs; |
| 1853 | |
| 1854 | ret = target_fabric_configfs_register(fabric); |
| 1855 | if (ret < 0) { |
| 1856 | pr_err("target_fabric_configfs_register() for" |
| 1857 | " LIO-Target failed!\n"); |
| 1858 | target_fabric_configfs_free(fabric); |
| 1859 | return ret; |
| 1860 | } |
| 1861 | |
| 1862 | lio_target_fabric_configfs = fabric; |
| 1863 | pr_debug("LIO_TARGET[0] - Set fabric ->" |
| 1864 | " lio_target_fabric_configfs\n"); |
| 1865 | return 0; |
| 1866 | } |
| 1867 | |
| 1868 | |
| 1869 | void iscsi_target_deregister_configfs(void) |
| 1870 | { |
| 1871 | if (!lio_target_fabric_configfs) |
| 1872 | return; |
| 1873 | /* |
| 1874 | * Shutdown discovery sessions and disable discovery TPG |
| 1875 | */ |
| 1876 | if (iscsit_global->discovery_tpg) |
| 1877 | iscsit_tpg_disable_portal_group(iscsit_global->discovery_tpg, 1); |
| 1878 | |
| 1879 | target_fabric_configfs_deregister(lio_target_fabric_configfs); |
| 1880 | lio_target_fabric_configfs = NULL; |
| 1881 | pr_debug("LIO_TARGET[0] - Cleared" |
| 1882 | " lio_target_fabric_configfs\n"); |
| 1883 | } |