Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 1 | /******************************************************************************* |
| 2 | * Filename: target_core_fabric_configfs.c |
| 3 | * |
| 4 | * This file contains generic fabric module configfs infrastructure for |
| 5 | * TCM v4.x code |
| 6 | * |
Nicholas Bellinger | 12d233842 | 2011-03-14 04:06:11 -0700 | [diff] [blame] | 7 | * Copyright (c) 2010,2011 Rising Tide Systems |
| 8 | * Copyright (c) 2010,2011 Linux-iSCSI.org |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 9 | * |
Nicholas Bellinger | 12d233842 | 2011-03-14 04:06:11 -0700 | [diff] [blame] | 10 | * Copyright (c) Nicholas A. Bellinger <nab@linux-iscsi.org> |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 11 | * |
| 12 | * This program is free software; you can redistribute it and/or modify |
| 13 | * it under the terms of the GNU General Public License as published by |
| 14 | * the Free Software Foundation; either version 2 of the License, or |
| 15 | * (at your option) any later version. |
| 16 | * |
| 17 | * This program is distributed in the hope that it will be useful, |
| 18 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 20 | * GNU General Public License for more details. |
| 21 | ****************************************************************************/ |
| 22 | |
| 23 | #include <linux/module.h> |
| 24 | #include <linux/moduleparam.h> |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 25 | #include <generated/utsrelease.h> |
| 26 | #include <linux/utsname.h> |
| 27 | #include <linux/init.h> |
| 28 | #include <linux/fs.h> |
| 29 | #include <linux/namei.h> |
| 30 | #include <linux/slab.h> |
| 31 | #include <linux/types.h> |
| 32 | #include <linux/delay.h> |
| 33 | #include <linux/unistd.h> |
| 34 | #include <linux/string.h> |
| 35 | #include <linux/syscalls.h> |
| 36 | #include <linux/configfs.h> |
| 37 | |
| 38 | #include <target/target_core_base.h> |
| 39 | #include <target/target_core_device.h> |
| 40 | #include <target/target_core_tpg.h> |
| 41 | #include <target/target_core_transport.h> |
| 42 | #include <target/target_core_fabric_ops.h> |
| 43 | #include <target/target_core_fabric_configfs.h> |
| 44 | #include <target/target_core_configfs.h> |
| 45 | #include <target/configfs_macros.h> |
| 46 | |
| 47 | #include "target_core_alua.h" |
| 48 | #include "target_core_hba.h" |
| 49 | #include "target_core_pr.h" |
Nicholas Bellinger | 12d233842 | 2011-03-14 04:06:11 -0700 | [diff] [blame] | 50 | #include "target_core_stat.h" |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 51 | |
| 52 | #define TF_CIT_SETUP(_name, _item_ops, _group_ops, _attrs) \ |
| 53 | static void target_fabric_setup_##_name##_cit(struct target_fabric_configfs *tf) \ |
| 54 | { \ |
| 55 | struct target_fabric_configfs_template *tfc = &tf->tf_cit_tmpl; \ |
| 56 | struct config_item_type *cit = &tfc->tfc_##_name##_cit; \ |
| 57 | \ |
| 58 | cit->ct_item_ops = _item_ops; \ |
| 59 | cit->ct_group_ops = _group_ops; \ |
| 60 | cit->ct_attrs = _attrs; \ |
| 61 | cit->ct_owner = tf->tf_module; \ |
Andy Grover | 6708bb2 | 2011-06-08 10:36:43 -0700 | [diff] [blame] | 62 | pr_debug("Setup generic %s\n", __stringify(_name)); \ |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 63 | } |
| 64 | |
| 65 | /* Start of tfc_tpg_mappedlun_cit */ |
| 66 | |
| 67 | static int target_fabric_mappedlun_link( |
| 68 | struct config_item *lun_acl_ci, |
| 69 | struct config_item *lun_ci) |
| 70 | { |
| 71 | struct se_dev_entry *deve; |
| 72 | struct se_lun *lun = container_of(to_config_group(lun_ci), |
| 73 | struct se_lun, lun_group); |
| 74 | struct se_lun_acl *lacl = container_of(to_config_group(lun_acl_ci), |
| 75 | struct se_lun_acl, se_lun_group); |
| 76 | struct se_portal_group *se_tpg; |
| 77 | struct config_item *nacl_ci, *tpg_ci, *tpg_ci_s, *wwn_ci, *wwn_ci_s; |
| 78 | int ret = 0, lun_access; |
| 79 | /* |
| 80 | * Ensure that the source port exists |
| 81 | */ |
Andy Grover | 6708bb2 | 2011-06-08 10:36:43 -0700 | [diff] [blame] | 82 | if (!lun->lun_sep || !lun->lun_sep->sep_tpg) { |
| 83 | pr_err("Source se_lun->lun_sep or lun->lun_sep->sep" |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 84 | "_tpg does not exist\n"); |
| 85 | return -EINVAL; |
| 86 | } |
| 87 | se_tpg = lun->lun_sep->sep_tpg; |
| 88 | |
| 89 | nacl_ci = &lun_acl_ci->ci_parent->ci_group->cg_item; |
| 90 | tpg_ci = &nacl_ci->ci_group->cg_item; |
| 91 | wwn_ci = &tpg_ci->ci_group->cg_item; |
| 92 | tpg_ci_s = &lun_ci->ci_parent->ci_group->cg_item; |
| 93 | wwn_ci_s = &tpg_ci_s->ci_group->cg_item; |
| 94 | /* |
| 95 | * Make sure the SymLink is going to the same $FABRIC/$WWN/tpgt_$TPGT |
| 96 | */ |
| 97 | if (strcmp(config_item_name(wwn_ci), config_item_name(wwn_ci_s))) { |
Andy Grover | 6708bb2 | 2011-06-08 10:36:43 -0700 | [diff] [blame] | 98 | pr_err("Illegal Initiator ACL SymLink outside of %s\n", |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 99 | config_item_name(wwn_ci)); |
| 100 | return -EINVAL; |
| 101 | } |
| 102 | if (strcmp(config_item_name(tpg_ci), config_item_name(tpg_ci_s))) { |
Andy Grover | 6708bb2 | 2011-06-08 10:36:43 -0700 | [diff] [blame] | 103 | pr_err("Illegal Initiator ACL Symlink outside of %s" |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 104 | " TPGT: %s\n", config_item_name(wwn_ci), |
| 105 | config_item_name(tpg_ci)); |
| 106 | return -EINVAL; |
| 107 | } |
| 108 | /* |
| 109 | * If this struct se_node_acl was dynamically generated with |
| 110 | * tpg_1/attrib/generate_node_acls=1, use the existing deve->lun_flags, |
| 111 | * which be will write protected (READ-ONLY) when |
| 112 | * tpg_1/attrib/demo_mode_write_protect=1 |
| 113 | */ |
| 114 | spin_lock_irq(&lacl->se_lun_nacl->device_list_lock); |
| 115 | deve = &lacl->se_lun_nacl->device_list[lacl->mapped_lun]; |
| 116 | if (deve->lun_flags & TRANSPORT_LUNFLAGS_INITIATOR_ACCESS) |
| 117 | lun_access = deve->lun_flags; |
| 118 | else |
| 119 | lun_access = |
Andy Grover | e3d6f90 | 2011-07-19 08:55:10 +0000 | [diff] [blame] | 120 | (se_tpg->se_tpg_tfo->tpg_check_prod_mode_write_protect( |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 121 | se_tpg)) ? TRANSPORT_LUNFLAGS_READ_ONLY : |
| 122 | TRANSPORT_LUNFLAGS_READ_WRITE; |
| 123 | spin_unlock_irq(&lacl->se_lun_nacl->device_list_lock); |
| 124 | /* |
| 125 | * Determine the actual mapped LUN value user wants.. |
| 126 | * |
| 127 | * This value is what the SCSI Initiator actually sees the |
| 128 | * iscsi/$IQN/$TPGT/lun/lun_* as on their SCSI Initiator Ports. |
| 129 | */ |
| 130 | ret = core_dev_add_initiator_node_lun_acl(se_tpg, lacl, |
| 131 | lun->unpacked_lun, lun_access); |
| 132 | |
| 133 | return (ret < 0) ? -EINVAL : 0; |
| 134 | } |
| 135 | |
| 136 | static int target_fabric_mappedlun_unlink( |
| 137 | struct config_item *lun_acl_ci, |
| 138 | struct config_item *lun_ci) |
| 139 | { |
| 140 | struct se_lun *lun; |
| 141 | struct se_lun_acl *lacl = container_of(to_config_group(lun_acl_ci), |
| 142 | struct se_lun_acl, se_lun_group); |
| 143 | struct se_node_acl *nacl = lacl->se_lun_nacl; |
| 144 | struct se_dev_entry *deve = &nacl->device_list[lacl->mapped_lun]; |
| 145 | struct se_portal_group *se_tpg; |
| 146 | /* |
| 147 | * Determine if the underlying MappedLUN has already been released.. |
| 148 | */ |
Andy Grover | 6708bb2 | 2011-06-08 10:36:43 -0700 | [diff] [blame] | 149 | if (!deve->se_lun) |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 150 | return 0; |
| 151 | |
| 152 | lun = container_of(to_config_group(lun_ci), struct se_lun, lun_group); |
| 153 | se_tpg = lun->lun_sep->sep_tpg; |
| 154 | |
| 155 | core_dev_del_initiator_node_lun_acl(se_tpg, lun, lacl); |
| 156 | return 0; |
| 157 | } |
| 158 | |
| 159 | CONFIGFS_EATTR_STRUCT(target_fabric_mappedlun, se_lun_acl); |
| 160 | #define TCM_MAPPEDLUN_ATTR(_name, _mode) \ |
| 161 | static struct target_fabric_mappedlun_attribute target_fabric_mappedlun_##_name = \ |
| 162 | __CONFIGFS_EATTR(_name, _mode, \ |
| 163 | target_fabric_mappedlun_show_##_name, \ |
| 164 | target_fabric_mappedlun_store_##_name); |
| 165 | |
| 166 | static ssize_t target_fabric_mappedlun_show_write_protect( |
| 167 | struct se_lun_acl *lacl, |
| 168 | char *page) |
| 169 | { |
| 170 | struct se_node_acl *se_nacl = lacl->se_lun_nacl; |
| 171 | struct se_dev_entry *deve; |
| 172 | ssize_t len; |
| 173 | |
| 174 | spin_lock_irq(&se_nacl->device_list_lock); |
| 175 | deve = &se_nacl->device_list[lacl->mapped_lun]; |
| 176 | len = sprintf(page, "%d\n", |
| 177 | (deve->lun_flags & TRANSPORT_LUNFLAGS_READ_ONLY) ? |
| 178 | 1 : 0); |
| 179 | spin_unlock_irq(&se_nacl->device_list_lock); |
| 180 | |
| 181 | return len; |
| 182 | } |
| 183 | |
| 184 | static ssize_t target_fabric_mappedlun_store_write_protect( |
| 185 | struct se_lun_acl *lacl, |
| 186 | const char *page, |
| 187 | size_t count) |
| 188 | { |
| 189 | struct se_node_acl *se_nacl = lacl->se_lun_nacl; |
| 190 | struct se_portal_group *se_tpg = se_nacl->se_tpg; |
| 191 | unsigned long op; |
| 192 | |
| 193 | if (strict_strtoul(page, 0, &op)) |
| 194 | return -EINVAL; |
| 195 | |
| 196 | if ((op != 1) && (op != 0)) |
| 197 | return -EINVAL; |
| 198 | |
| 199 | core_update_device_list_access(lacl->mapped_lun, (op) ? |
| 200 | TRANSPORT_LUNFLAGS_READ_ONLY : |
| 201 | TRANSPORT_LUNFLAGS_READ_WRITE, |
| 202 | lacl->se_lun_nacl); |
| 203 | |
Andy Grover | 6708bb2 | 2011-06-08 10:36:43 -0700 | [diff] [blame] | 204 | pr_debug("%s_ConfigFS: Changed Initiator ACL: %s" |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 205 | " Mapped LUN: %u Write Protect bit to %s\n", |
Andy Grover | e3d6f90 | 2011-07-19 08:55:10 +0000 | [diff] [blame] | 206 | se_tpg->se_tpg_tfo->get_fabric_name(), |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 207 | lacl->initiatorname, lacl->mapped_lun, (op) ? "ON" : "OFF"); |
| 208 | |
| 209 | return count; |
| 210 | |
| 211 | } |
| 212 | |
| 213 | TCM_MAPPEDLUN_ATTR(write_protect, S_IRUGO | S_IWUSR); |
| 214 | |
| 215 | CONFIGFS_EATTR_OPS(target_fabric_mappedlun, se_lun_acl, se_lun_group); |
| 216 | |
Nicholas Bellinger | 1f6fe7c | 2011-02-09 15:34:54 -0800 | [diff] [blame] | 217 | static void target_fabric_mappedlun_release(struct config_item *item) |
| 218 | { |
| 219 | struct se_lun_acl *lacl = container_of(to_config_group(item), |
| 220 | struct se_lun_acl, se_lun_group); |
| 221 | struct se_portal_group *se_tpg = lacl->se_lun_nacl->se_tpg; |
| 222 | |
| 223 | core_dev_free_initiator_node_lun_acl(se_tpg, lacl); |
| 224 | } |
| 225 | |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 226 | static struct configfs_attribute *target_fabric_mappedlun_attrs[] = { |
| 227 | &target_fabric_mappedlun_write_protect.attr, |
| 228 | NULL, |
| 229 | }; |
| 230 | |
| 231 | static struct configfs_item_operations target_fabric_mappedlun_item_ops = { |
Nicholas Bellinger | 1f6fe7c | 2011-02-09 15:34:54 -0800 | [diff] [blame] | 232 | .release = target_fabric_mappedlun_release, |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 233 | .show_attribute = target_fabric_mappedlun_attr_show, |
| 234 | .store_attribute = target_fabric_mappedlun_attr_store, |
| 235 | .allow_link = target_fabric_mappedlun_link, |
| 236 | .drop_link = target_fabric_mappedlun_unlink, |
| 237 | }; |
| 238 | |
| 239 | TF_CIT_SETUP(tpg_mappedlun, &target_fabric_mappedlun_item_ops, NULL, |
| 240 | target_fabric_mappedlun_attrs); |
| 241 | |
| 242 | /* End of tfc_tpg_mappedlun_cit */ |
| 243 | |
Nicholas Bellinger | 12d233842 | 2011-03-14 04:06:11 -0700 | [diff] [blame] | 244 | /* Start of tfc_tpg_mappedlun_port_cit */ |
| 245 | |
| 246 | static struct config_group *target_core_mappedlun_stat_mkdir( |
| 247 | struct config_group *group, |
| 248 | const char *name) |
| 249 | { |
| 250 | return ERR_PTR(-ENOSYS); |
| 251 | } |
| 252 | |
| 253 | static void target_core_mappedlun_stat_rmdir( |
| 254 | struct config_group *group, |
| 255 | struct config_item *item) |
| 256 | { |
| 257 | return; |
| 258 | } |
| 259 | |
| 260 | static struct configfs_group_operations target_fabric_mappedlun_stat_group_ops = { |
| 261 | .make_group = target_core_mappedlun_stat_mkdir, |
| 262 | .drop_item = target_core_mappedlun_stat_rmdir, |
| 263 | }; |
| 264 | |
| 265 | TF_CIT_SETUP(tpg_mappedlun_stat, NULL, &target_fabric_mappedlun_stat_group_ops, |
| 266 | NULL); |
| 267 | |
| 268 | /* End of tfc_tpg_mappedlun_port_cit */ |
| 269 | |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 270 | /* Start of tfc_tpg_nacl_attrib_cit */ |
| 271 | |
| 272 | CONFIGFS_EATTR_OPS(target_fabric_nacl_attrib, se_node_acl, acl_attrib_group); |
| 273 | |
| 274 | static struct configfs_item_operations target_fabric_nacl_attrib_item_ops = { |
| 275 | .show_attribute = target_fabric_nacl_attrib_attr_show, |
| 276 | .store_attribute = target_fabric_nacl_attrib_attr_store, |
| 277 | }; |
| 278 | |
| 279 | TF_CIT_SETUP(tpg_nacl_attrib, &target_fabric_nacl_attrib_item_ops, NULL, NULL); |
| 280 | |
| 281 | /* End of tfc_tpg_nacl_attrib_cit */ |
| 282 | |
| 283 | /* Start of tfc_tpg_nacl_auth_cit */ |
| 284 | |
| 285 | CONFIGFS_EATTR_OPS(target_fabric_nacl_auth, se_node_acl, acl_auth_group); |
| 286 | |
| 287 | static struct configfs_item_operations target_fabric_nacl_auth_item_ops = { |
| 288 | .show_attribute = target_fabric_nacl_auth_attr_show, |
| 289 | .store_attribute = target_fabric_nacl_auth_attr_store, |
| 290 | }; |
| 291 | |
| 292 | TF_CIT_SETUP(tpg_nacl_auth, &target_fabric_nacl_auth_item_ops, NULL, NULL); |
| 293 | |
| 294 | /* End of tfc_tpg_nacl_auth_cit */ |
| 295 | |
| 296 | /* Start of tfc_tpg_nacl_param_cit */ |
| 297 | |
| 298 | CONFIGFS_EATTR_OPS(target_fabric_nacl_param, se_node_acl, acl_param_group); |
| 299 | |
| 300 | static struct configfs_item_operations target_fabric_nacl_param_item_ops = { |
| 301 | .show_attribute = target_fabric_nacl_param_attr_show, |
| 302 | .store_attribute = target_fabric_nacl_param_attr_store, |
| 303 | }; |
| 304 | |
| 305 | TF_CIT_SETUP(tpg_nacl_param, &target_fabric_nacl_param_item_ops, NULL, NULL); |
| 306 | |
| 307 | /* End of tfc_tpg_nacl_param_cit */ |
| 308 | |
| 309 | /* Start of tfc_tpg_nacl_base_cit */ |
| 310 | |
| 311 | CONFIGFS_EATTR_OPS(target_fabric_nacl_base, se_node_acl, acl_group); |
| 312 | |
| 313 | static struct config_group *target_fabric_make_mappedlun( |
| 314 | struct config_group *group, |
| 315 | const char *name) |
| 316 | { |
| 317 | struct se_node_acl *se_nacl = container_of(group, |
| 318 | struct se_node_acl, acl_group); |
| 319 | struct se_portal_group *se_tpg = se_nacl->se_tpg; |
| 320 | struct target_fabric_configfs *tf = se_tpg->se_tpg_wwn->wwn_tf; |
| 321 | struct se_lun_acl *lacl; |
| 322 | struct config_item *acl_ci; |
Nicholas Bellinger | 12d233842 | 2011-03-14 04:06:11 -0700 | [diff] [blame] | 323 | struct config_group *lacl_cg = NULL, *ml_stat_grp = NULL; |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 324 | char *buf; |
| 325 | unsigned long mapped_lun; |
| 326 | int ret = 0; |
| 327 | |
| 328 | acl_ci = &group->cg_item; |
Andy Grover | 6708bb2 | 2011-06-08 10:36:43 -0700 | [diff] [blame] | 329 | if (!acl_ci) { |
| 330 | pr_err("Unable to locatel acl_ci\n"); |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 331 | return NULL; |
| 332 | } |
| 333 | |
| 334 | buf = kzalloc(strlen(name) + 1, GFP_KERNEL); |
Andy Grover | 6708bb2 | 2011-06-08 10:36:43 -0700 | [diff] [blame] | 335 | if (!buf) { |
| 336 | pr_err("Unable to allocate memory for name buf\n"); |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 337 | return ERR_PTR(-ENOMEM); |
| 338 | } |
| 339 | snprintf(buf, strlen(name) + 1, "%s", name); |
| 340 | /* |
| 341 | * Make sure user is creating iscsi/$IQN/$TPGT/acls/$INITIATOR/lun_$ID. |
| 342 | */ |
| 343 | if (strstr(buf, "lun_") != buf) { |
Andy Grover | 6708bb2 | 2011-06-08 10:36:43 -0700 | [diff] [blame] | 344 | pr_err("Unable to locate \"lun_\" from buf: %s" |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 345 | " name: %s\n", buf, name); |
| 346 | ret = -EINVAL; |
| 347 | goto out; |
| 348 | } |
| 349 | /* |
| 350 | * Determine the Mapped LUN value. This is what the SCSI Initiator |
| 351 | * Port will actually see. |
| 352 | */ |
| 353 | if (strict_strtoul(buf + 4, 0, &mapped_lun) || mapped_lun > UINT_MAX) { |
| 354 | ret = -EINVAL; |
| 355 | goto out; |
| 356 | } |
| 357 | |
| 358 | lacl = core_dev_init_initiator_node_lun_acl(se_tpg, mapped_lun, |
| 359 | config_item_name(acl_ci), &ret); |
Andy Grover | 6708bb2 | 2011-06-08 10:36:43 -0700 | [diff] [blame] | 360 | if (!lacl) { |
Nicholas Bellinger | 12d233842 | 2011-03-14 04:06:11 -0700 | [diff] [blame] | 361 | ret = -EINVAL; |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 362 | goto out; |
Nicholas Bellinger | 12d233842 | 2011-03-14 04:06:11 -0700 | [diff] [blame] | 363 | } |
| 364 | |
| 365 | lacl_cg = &lacl->se_lun_group; |
| 366 | lacl_cg->default_groups = kzalloc(sizeof(struct config_group) * 2, |
| 367 | GFP_KERNEL); |
| 368 | if (!lacl_cg->default_groups) { |
Andy Grover | 6708bb2 | 2011-06-08 10:36:43 -0700 | [diff] [blame] | 369 | pr_err("Unable to allocate lacl_cg->default_groups\n"); |
Nicholas Bellinger | 12d233842 | 2011-03-14 04:06:11 -0700 | [diff] [blame] | 370 | ret = -ENOMEM; |
| 371 | goto out; |
| 372 | } |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 373 | |
| 374 | config_group_init_type_name(&lacl->se_lun_group, name, |
| 375 | &TF_CIT_TMPL(tf)->tfc_tpg_mappedlun_cit); |
Nicholas Bellinger | 12d233842 | 2011-03-14 04:06:11 -0700 | [diff] [blame] | 376 | config_group_init_type_name(&lacl->ml_stat_grps.stat_group, |
| 377 | "statistics", &TF_CIT_TMPL(tf)->tfc_tpg_mappedlun_stat_cit); |
| 378 | lacl_cg->default_groups[0] = &lacl->ml_stat_grps.stat_group; |
| 379 | lacl_cg->default_groups[1] = NULL; |
| 380 | |
Andy Grover | e3d6f90 | 2011-07-19 08:55:10 +0000 | [diff] [blame] | 381 | ml_stat_grp = &lacl->ml_stat_grps.stat_group; |
Nicholas Bellinger | 12d233842 | 2011-03-14 04:06:11 -0700 | [diff] [blame] | 382 | ml_stat_grp->default_groups = kzalloc(sizeof(struct config_group) * 3, |
| 383 | GFP_KERNEL); |
| 384 | if (!ml_stat_grp->default_groups) { |
Andy Grover | 6708bb2 | 2011-06-08 10:36:43 -0700 | [diff] [blame] | 385 | pr_err("Unable to allocate ml_stat_grp->default_groups\n"); |
Nicholas Bellinger | 12d233842 | 2011-03-14 04:06:11 -0700 | [diff] [blame] | 386 | ret = -ENOMEM; |
| 387 | goto out; |
| 388 | } |
| 389 | target_stat_setup_mappedlun_default_groups(lacl); |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 390 | |
| 391 | kfree(buf); |
| 392 | return &lacl->se_lun_group; |
| 393 | out: |
Nicholas Bellinger | 12d233842 | 2011-03-14 04:06:11 -0700 | [diff] [blame] | 394 | if (lacl_cg) |
| 395 | kfree(lacl_cg->default_groups); |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 396 | kfree(buf); |
| 397 | return ERR_PTR(ret); |
| 398 | } |
| 399 | |
| 400 | static void target_fabric_drop_mappedlun( |
| 401 | struct config_group *group, |
| 402 | struct config_item *item) |
| 403 | { |
Nicholas Bellinger | 12d233842 | 2011-03-14 04:06:11 -0700 | [diff] [blame] | 404 | struct se_lun_acl *lacl = container_of(to_config_group(item), |
| 405 | struct se_lun_acl, se_lun_group); |
| 406 | struct config_item *df_item; |
| 407 | struct config_group *lacl_cg = NULL, *ml_stat_grp = NULL; |
| 408 | int i; |
| 409 | |
Andy Grover | e3d6f90 | 2011-07-19 08:55:10 +0000 | [diff] [blame] | 410 | ml_stat_grp = &lacl->ml_stat_grps.stat_group; |
Nicholas Bellinger | 12d233842 | 2011-03-14 04:06:11 -0700 | [diff] [blame] | 411 | for (i = 0; ml_stat_grp->default_groups[i]; i++) { |
| 412 | df_item = &ml_stat_grp->default_groups[i]->cg_item; |
| 413 | ml_stat_grp->default_groups[i] = NULL; |
| 414 | config_item_put(df_item); |
| 415 | } |
| 416 | kfree(ml_stat_grp->default_groups); |
| 417 | |
| 418 | lacl_cg = &lacl->se_lun_group; |
| 419 | for (i = 0; lacl_cg->default_groups[i]; i++) { |
| 420 | df_item = &lacl_cg->default_groups[i]->cg_item; |
| 421 | lacl_cg->default_groups[i] = NULL; |
| 422 | config_item_put(df_item); |
| 423 | } |
| 424 | kfree(lacl_cg->default_groups); |
| 425 | |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 426 | config_item_put(item); |
Nicholas Bellinger | 1f6fe7c | 2011-02-09 15:34:54 -0800 | [diff] [blame] | 427 | } |
| 428 | |
| 429 | static void target_fabric_nacl_base_release(struct config_item *item) |
| 430 | { |
| 431 | struct se_node_acl *se_nacl = container_of(to_config_group(item), |
| 432 | struct se_node_acl, acl_group); |
| 433 | struct se_portal_group *se_tpg = se_nacl->se_tpg; |
| 434 | struct target_fabric_configfs *tf = se_tpg->se_tpg_wwn->wwn_tf; |
| 435 | |
| 436 | tf->tf_ops.fabric_drop_nodeacl(se_nacl); |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 437 | } |
| 438 | |
| 439 | static struct configfs_item_operations target_fabric_nacl_base_item_ops = { |
Nicholas Bellinger | 1f6fe7c | 2011-02-09 15:34:54 -0800 | [diff] [blame] | 440 | .release = target_fabric_nacl_base_release, |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 441 | .show_attribute = target_fabric_nacl_base_attr_show, |
| 442 | .store_attribute = target_fabric_nacl_base_attr_store, |
| 443 | }; |
| 444 | |
| 445 | static struct configfs_group_operations target_fabric_nacl_base_group_ops = { |
| 446 | .make_group = target_fabric_make_mappedlun, |
| 447 | .drop_item = target_fabric_drop_mappedlun, |
| 448 | }; |
| 449 | |
| 450 | TF_CIT_SETUP(tpg_nacl_base, &target_fabric_nacl_base_item_ops, |
| 451 | &target_fabric_nacl_base_group_ops, NULL); |
| 452 | |
| 453 | /* End of tfc_tpg_nacl_base_cit */ |
| 454 | |
Nicholas Bellinger | 12d233842 | 2011-03-14 04:06:11 -0700 | [diff] [blame] | 455 | /* Start of tfc_node_fabric_stats_cit */ |
| 456 | /* |
| 457 | * This is used as a placeholder for struct se_node_acl->acl_fabric_stat_group |
| 458 | * to allow fabrics access to ->acl_fabric_stat_group->default_groups[] |
| 459 | */ |
| 460 | TF_CIT_SETUP(tpg_nacl_stat, NULL, NULL, NULL); |
| 461 | |
| 462 | /* End of tfc_wwn_fabric_stats_cit */ |
| 463 | |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 464 | /* Start of tfc_tpg_nacl_cit */ |
| 465 | |
| 466 | static struct config_group *target_fabric_make_nodeacl( |
| 467 | struct config_group *group, |
| 468 | const char *name) |
| 469 | { |
| 470 | struct se_portal_group *se_tpg = container_of(group, |
| 471 | struct se_portal_group, tpg_acl_group); |
| 472 | struct target_fabric_configfs *tf = se_tpg->se_tpg_wwn->wwn_tf; |
| 473 | struct se_node_acl *se_nacl; |
| 474 | struct config_group *nacl_cg; |
| 475 | |
Andy Grover | 6708bb2 | 2011-06-08 10:36:43 -0700 | [diff] [blame] | 476 | if (!tf->tf_ops.fabric_make_nodeacl) { |
| 477 | pr_err("tf->tf_ops.fabric_make_nodeacl is NULL\n"); |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 478 | return ERR_PTR(-ENOSYS); |
| 479 | } |
| 480 | |
| 481 | se_nacl = tf->tf_ops.fabric_make_nodeacl(se_tpg, group, name); |
| 482 | if (IS_ERR(se_nacl)) |
Thomas Meyer | e1750ba | 2011-08-01 23:58:18 +0200 | [diff] [blame] | 483 | return ERR_CAST(se_nacl); |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 484 | |
| 485 | nacl_cg = &se_nacl->acl_group; |
| 486 | nacl_cg->default_groups = se_nacl->acl_default_groups; |
| 487 | nacl_cg->default_groups[0] = &se_nacl->acl_attrib_group; |
| 488 | nacl_cg->default_groups[1] = &se_nacl->acl_auth_group; |
| 489 | nacl_cg->default_groups[2] = &se_nacl->acl_param_group; |
Nicholas Bellinger | 12d233842 | 2011-03-14 04:06:11 -0700 | [diff] [blame] | 490 | nacl_cg->default_groups[3] = &se_nacl->acl_fabric_stat_group; |
| 491 | nacl_cg->default_groups[4] = NULL; |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 492 | |
| 493 | config_group_init_type_name(&se_nacl->acl_group, name, |
| 494 | &TF_CIT_TMPL(tf)->tfc_tpg_nacl_base_cit); |
| 495 | config_group_init_type_name(&se_nacl->acl_attrib_group, "attrib", |
| 496 | &TF_CIT_TMPL(tf)->tfc_tpg_nacl_attrib_cit); |
| 497 | config_group_init_type_name(&se_nacl->acl_auth_group, "auth", |
| 498 | &TF_CIT_TMPL(tf)->tfc_tpg_nacl_auth_cit); |
| 499 | config_group_init_type_name(&se_nacl->acl_param_group, "param", |
| 500 | &TF_CIT_TMPL(tf)->tfc_tpg_nacl_param_cit); |
Nicholas Bellinger | 12d233842 | 2011-03-14 04:06:11 -0700 | [diff] [blame] | 501 | config_group_init_type_name(&se_nacl->acl_fabric_stat_group, |
| 502 | "fabric_statistics", |
| 503 | &TF_CIT_TMPL(tf)->tfc_tpg_nacl_stat_cit); |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 504 | |
| 505 | return &se_nacl->acl_group; |
| 506 | } |
| 507 | |
| 508 | static void target_fabric_drop_nodeacl( |
| 509 | struct config_group *group, |
| 510 | struct config_item *item) |
| 511 | { |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 512 | struct se_node_acl *se_nacl = container_of(to_config_group(item), |
| 513 | struct se_node_acl, acl_group); |
| 514 | struct config_item *df_item; |
| 515 | struct config_group *nacl_cg; |
| 516 | int i; |
| 517 | |
| 518 | nacl_cg = &se_nacl->acl_group; |
| 519 | for (i = 0; nacl_cg->default_groups[i]; i++) { |
| 520 | df_item = &nacl_cg->default_groups[i]->cg_item; |
| 521 | nacl_cg->default_groups[i] = NULL; |
| 522 | config_item_put(df_item); |
| 523 | } |
Nicholas Bellinger | 1f6fe7c | 2011-02-09 15:34:54 -0800 | [diff] [blame] | 524 | /* |
| 525 | * struct se_node_acl free is done in target_fabric_nacl_base_release() |
| 526 | */ |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 527 | config_item_put(item); |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 528 | } |
| 529 | |
| 530 | static struct configfs_group_operations target_fabric_nacl_group_ops = { |
| 531 | .make_group = target_fabric_make_nodeacl, |
| 532 | .drop_item = target_fabric_drop_nodeacl, |
| 533 | }; |
| 534 | |
| 535 | TF_CIT_SETUP(tpg_nacl, NULL, &target_fabric_nacl_group_ops, NULL); |
| 536 | |
| 537 | /* End of tfc_tpg_nacl_cit */ |
| 538 | |
| 539 | /* Start of tfc_tpg_np_base_cit */ |
| 540 | |
| 541 | CONFIGFS_EATTR_OPS(target_fabric_np_base, se_tpg_np, tpg_np_group); |
| 542 | |
Nicholas Bellinger | 1f6fe7c | 2011-02-09 15:34:54 -0800 | [diff] [blame] | 543 | static void target_fabric_np_base_release(struct config_item *item) |
| 544 | { |
| 545 | struct se_tpg_np *se_tpg_np = container_of(to_config_group(item), |
| 546 | struct se_tpg_np, tpg_np_group); |
| 547 | struct se_portal_group *se_tpg = se_tpg_np->tpg_np_parent; |
| 548 | struct target_fabric_configfs *tf = se_tpg->se_tpg_wwn->wwn_tf; |
| 549 | |
| 550 | tf->tf_ops.fabric_drop_np(se_tpg_np); |
| 551 | } |
| 552 | |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 553 | static struct configfs_item_operations target_fabric_np_base_item_ops = { |
Nicholas Bellinger | 1f6fe7c | 2011-02-09 15:34:54 -0800 | [diff] [blame] | 554 | .release = target_fabric_np_base_release, |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 555 | .show_attribute = target_fabric_np_base_attr_show, |
| 556 | .store_attribute = target_fabric_np_base_attr_store, |
| 557 | }; |
| 558 | |
| 559 | TF_CIT_SETUP(tpg_np_base, &target_fabric_np_base_item_ops, NULL, NULL); |
| 560 | |
| 561 | /* End of tfc_tpg_np_base_cit */ |
| 562 | |
| 563 | /* Start of tfc_tpg_np_cit */ |
| 564 | |
| 565 | static struct config_group *target_fabric_make_np( |
| 566 | struct config_group *group, |
| 567 | const char *name) |
| 568 | { |
| 569 | struct se_portal_group *se_tpg = container_of(group, |
| 570 | struct se_portal_group, tpg_np_group); |
| 571 | struct target_fabric_configfs *tf = se_tpg->se_tpg_wwn->wwn_tf; |
| 572 | struct se_tpg_np *se_tpg_np; |
| 573 | |
Andy Grover | 6708bb2 | 2011-06-08 10:36:43 -0700 | [diff] [blame] | 574 | if (!tf->tf_ops.fabric_make_np) { |
| 575 | pr_err("tf->tf_ops.fabric_make_np is NULL\n"); |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 576 | return ERR_PTR(-ENOSYS); |
| 577 | } |
| 578 | |
| 579 | se_tpg_np = tf->tf_ops.fabric_make_np(se_tpg, group, name); |
Andy Grover | 6708bb2 | 2011-06-08 10:36:43 -0700 | [diff] [blame] | 580 | if (!se_tpg_np || IS_ERR(se_tpg_np)) |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 581 | return ERR_PTR(-EINVAL); |
| 582 | |
Nicholas Bellinger | 1f6fe7c | 2011-02-09 15:34:54 -0800 | [diff] [blame] | 583 | se_tpg_np->tpg_np_parent = se_tpg; |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 584 | config_group_init_type_name(&se_tpg_np->tpg_np_group, name, |
| 585 | &TF_CIT_TMPL(tf)->tfc_tpg_np_base_cit); |
| 586 | |
| 587 | return &se_tpg_np->tpg_np_group; |
| 588 | } |
| 589 | |
| 590 | static void target_fabric_drop_np( |
| 591 | struct config_group *group, |
| 592 | struct config_item *item) |
| 593 | { |
Nicholas Bellinger | 1f6fe7c | 2011-02-09 15:34:54 -0800 | [diff] [blame] | 594 | /* |
| 595 | * struct se_tpg_np is released via target_fabric_np_base_release() |
| 596 | */ |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 597 | config_item_put(item); |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 598 | } |
| 599 | |
| 600 | static struct configfs_group_operations target_fabric_np_group_ops = { |
| 601 | .make_group = &target_fabric_make_np, |
| 602 | .drop_item = &target_fabric_drop_np, |
| 603 | }; |
| 604 | |
| 605 | TF_CIT_SETUP(tpg_np, NULL, &target_fabric_np_group_ops, NULL); |
| 606 | |
| 607 | /* End of tfc_tpg_np_cit */ |
| 608 | |
| 609 | /* Start of tfc_tpg_port_cit */ |
| 610 | |
| 611 | CONFIGFS_EATTR_STRUCT(target_fabric_port, se_lun); |
| 612 | #define TCM_PORT_ATTR(_name, _mode) \ |
| 613 | static struct target_fabric_port_attribute target_fabric_port_##_name = \ |
| 614 | __CONFIGFS_EATTR(_name, _mode, \ |
| 615 | target_fabric_port_show_attr_##_name, \ |
| 616 | target_fabric_port_store_attr_##_name); |
| 617 | |
| 618 | #define TCM_PORT_ATTOR_RO(_name) \ |
| 619 | __CONFIGFS_EATTR_RO(_name, \ |
| 620 | target_fabric_port_show_attr_##_name); |
| 621 | |
| 622 | /* |
| 623 | * alua_tg_pt_gp |
| 624 | */ |
| 625 | static ssize_t target_fabric_port_show_attr_alua_tg_pt_gp( |
| 626 | struct se_lun *lun, |
| 627 | char *page) |
| 628 | { |
Andy Grover | 6708bb2 | 2011-06-08 10:36:43 -0700 | [diff] [blame] | 629 | if (!lun || !lun->lun_sep) |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 630 | return -ENODEV; |
| 631 | |
| 632 | return core_alua_show_tg_pt_gp_info(lun->lun_sep, page); |
| 633 | } |
| 634 | |
| 635 | static ssize_t target_fabric_port_store_attr_alua_tg_pt_gp( |
| 636 | struct se_lun *lun, |
| 637 | const char *page, |
| 638 | size_t count) |
| 639 | { |
Andy Grover | 6708bb2 | 2011-06-08 10:36:43 -0700 | [diff] [blame] | 640 | if (!lun || !lun->lun_sep) |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 641 | return -ENODEV; |
| 642 | |
| 643 | return core_alua_store_tg_pt_gp_info(lun->lun_sep, page, count); |
| 644 | } |
| 645 | |
| 646 | TCM_PORT_ATTR(alua_tg_pt_gp, S_IRUGO | S_IWUSR); |
| 647 | |
| 648 | /* |
| 649 | * alua_tg_pt_offline |
| 650 | */ |
| 651 | static ssize_t target_fabric_port_show_attr_alua_tg_pt_offline( |
| 652 | struct se_lun *lun, |
| 653 | char *page) |
| 654 | { |
Andy Grover | 6708bb2 | 2011-06-08 10:36:43 -0700 | [diff] [blame] | 655 | if (!lun || !lun->lun_sep) |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 656 | return -ENODEV; |
| 657 | |
| 658 | return core_alua_show_offline_bit(lun, page); |
| 659 | } |
| 660 | |
| 661 | static ssize_t target_fabric_port_store_attr_alua_tg_pt_offline( |
| 662 | struct se_lun *lun, |
| 663 | const char *page, |
| 664 | size_t count) |
| 665 | { |
Andy Grover | 6708bb2 | 2011-06-08 10:36:43 -0700 | [diff] [blame] | 666 | if (!lun || !lun->lun_sep) |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 667 | return -ENODEV; |
| 668 | |
| 669 | return core_alua_store_offline_bit(lun, page, count); |
| 670 | } |
| 671 | |
| 672 | TCM_PORT_ATTR(alua_tg_pt_offline, S_IRUGO | S_IWUSR); |
| 673 | |
| 674 | /* |
| 675 | * alua_tg_pt_status |
| 676 | */ |
| 677 | static ssize_t target_fabric_port_show_attr_alua_tg_pt_status( |
| 678 | struct se_lun *lun, |
| 679 | char *page) |
| 680 | { |
Andy Grover | 6708bb2 | 2011-06-08 10:36:43 -0700 | [diff] [blame] | 681 | if (!lun || !lun->lun_sep) |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 682 | return -ENODEV; |
| 683 | |
| 684 | return core_alua_show_secondary_status(lun, page); |
| 685 | } |
| 686 | |
| 687 | static ssize_t target_fabric_port_store_attr_alua_tg_pt_status( |
| 688 | struct se_lun *lun, |
| 689 | const char *page, |
| 690 | size_t count) |
| 691 | { |
Andy Grover | 6708bb2 | 2011-06-08 10:36:43 -0700 | [diff] [blame] | 692 | if (!lun || !lun->lun_sep) |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 693 | return -ENODEV; |
| 694 | |
| 695 | return core_alua_store_secondary_status(lun, page, count); |
| 696 | } |
| 697 | |
| 698 | TCM_PORT_ATTR(alua_tg_pt_status, S_IRUGO | S_IWUSR); |
| 699 | |
| 700 | /* |
| 701 | * alua_tg_pt_write_md |
| 702 | */ |
| 703 | static ssize_t target_fabric_port_show_attr_alua_tg_pt_write_md( |
| 704 | struct se_lun *lun, |
| 705 | char *page) |
| 706 | { |
Andy Grover | 6708bb2 | 2011-06-08 10:36:43 -0700 | [diff] [blame] | 707 | if (!lun || !lun->lun_sep) |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 708 | return -ENODEV; |
| 709 | |
| 710 | return core_alua_show_secondary_write_metadata(lun, page); |
| 711 | } |
| 712 | |
| 713 | static ssize_t target_fabric_port_store_attr_alua_tg_pt_write_md( |
| 714 | struct se_lun *lun, |
| 715 | const char *page, |
| 716 | size_t count) |
| 717 | { |
Andy Grover | 6708bb2 | 2011-06-08 10:36:43 -0700 | [diff] [blame] | 718 | if (!lun || !lun->lun_sep) |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 719 | return -ENODEV; |
| 720 | |
| 721 | return core_alua_store_secondary_write_metadata(lun, page, count); |
| 722 | } |
| 723 | |
| 724 | TCM_PORT_ATTR(alua_tg_pt_write_md, S_IRUGO | S_IWUSR); |
| 725 | |
| 726 | |
| 727 | static struct configfs_attribute *target_fabric_port_attrs[] = { |
| 728 | &target_fabric_port_alua_tg_pt_gp.attr, |
| 729 | &target_fabric_port_alua_tg_pt_offline.attr, |
| 730 | &target_fabric_port_alua_tg_pt_status.attr, |
| 731 | &target_fabric_port_alua_tg_pt_write_md.attr, |
| 732 | NULL, |
| 733 | }; |
| 734 | |
| 735 | CONFIGFS_EATTR_OPS(target_fabric_port, se_lun, lun_group); |
| 736 | |
| 737 | static int target_fabric_port_link( |
| 738 | struct config_item *lun_ci, |
| 739 | struct config_item *se_dev_ci) |
| 740 | { |
| 741 | struct config_item *tpg_ci; |
| 742 | struct se_device *dev; |
| 743 | struct se_lun *lun = container_of(to_config_group(lun_ci), |
| 744 | struct se_lun, lun_group); |
| 745 | struct se_lun *lun_p; |
| 746 | struct se_portal_group *se_tpg; |
| 747 | struct se_subsystem_dev *se_dev = container_of( |
| 748 | to_config_group(se_dev_ci), struct se_subsystem_dev, |
| 749 | se_dev_group); |
| 750 | struct target_fabric_configfs *tf; |
| 751 | int ret; |
| 752 | |
| 753 | tpg_ci = &lun_ci->ci_parent->ci_group->cg_item; |
| 754 | se_tpg = container_of(to_config_group(tpg_ci), |
| 755 | struct se_portal_group, tpg_group); |
| 756 | tf = se_tpg->se_tpg_wwn->wwn_tf; |
| 757 | |
| 758 | if (lun->lun_se_dev != NULL) { |
Andy Grover | 6708bb2 | 2011-06-08 10:36:43 -0700 | [diff] [blame] | 759 | pr_err("Port Symlink already exists\n"); |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 760 | return -EEXIST; |
| 761 | } |
| 762 | |
| 763 | dev = se_dev->se_dev_ptr; |
Andy Grover | 6708bb2 | 2011-06-08 10:36:43 -0700 | [diff] [blame] | 764 | if (!dev) { |
| 765 | pr_err("Unable to locate struct se_device pointer from" |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 766 | " %s\n", config_item_name(se_dev_ci)); |
| 767 | ret = -ENODEV; |
| 768 | goto out; |
| 769 | } |
| 770 | |
| 771 | lun_p = core_dev_add_lun(se_tpg, dev->se_hba, dev, |
| 772 | lun->unpacked_lun); |
Andy Grover | 6708bb2 | 2011-06-08 10:36:43 -0700 | [diff] [blame] | 773 | if (IS_ERR(lun_p) || !lun_p) { |
| 774 | pr_err("core_dev_add_lun() failed\n"); |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 775 | ret = -EINVAL; |
| 776 | goto out; |
| 777 | } |
| 778 | |
| 779 | if (tf->tf_ops.fabric_post_link) { |
| 780 | /* |
| 781 | * Call the optional fabric_post_link() to allow a |
| 782 | * fabric module to setup any additional state once |
| 783 | * core_dev_add_lun() has been called.. |
| 784 | */ |
| 785 | tf->tf_ops.fabric_post_link(se_tpg, lun); |
| 786 | } |
| 787 | |
| 788 | return 0; |
| 789 | out: |
| 790 | return ret; |
| 791 | } |
| 792 | |
| 793 | static int target_fabric_port_unlink( |
| 794 | struct config_item *lun_ci, |
| 795 | struct config_item *se_dev_ci) |
| 796 | { |
| 797 | struct se_lun *lun = container_of(to_config_group(lun_ci), |
| 798 | struct se_lun, lun_group); |
| 799 | struct se_portal_group *se_tpg = lun->lun_sep->sep_tpg; |
| 800 | struct target_fabric_configfs *tf = se_tpg->se_tpg_wwn->wwn_tf; |
| 801 | |
| 802 | if (tf->tf_ops.fabric_pre_unlink) { |
| 803 | /* |
| 804 | * Call the optional fabric_pre_unlink() to allow a |
| 805 | * fabric module to release any additional stat before |
| 806 | * core_dev_del_lun() is called. |
| 807 | */ |
| 808 | tf->tf_ops.fabric_pre_unlink(se_tpg, lun); |
| 809 | } |
| 810 | |
| 811 | core_dev_del_lun(se_tpg, lun->unpacked_lun); |
| 812 | return 0; |
| 813 | } |
| 814 | |
| 815 | static struct configfs_item_operations target_fabric_port_item_ops = { |
| 816 | .show_attribute = target_fabric_port_attr_show, |
| 817 | .store_attribute = target_fabric_port_attr_store, |
| 818 | .allow_link = target_fabric_port_link, |
| 819 | .drop_link = target_fabric_port_unlink, |
| 820 | }; |
| 821 | |
| 822 | TF_CIT_SETUP(tpg_port, &target_fabric_port_item_ops, NULL, target_fabric_port_attrs); |
| 823 | |
| 824 | /* End of tfc_tpg_port_cit */ |
| 825 | |
Nicholas Bellinger | 12d233842 | 2011-03-14 04:06:11 -0700 | [diff] [blame] | 826 | /* Start of tfc_tpg_port_stat_cit */ |
| 827 | |
| 828 | static struct config_group *target_core_port_stat_mkdir( |
| 829 | struct config_group *group, |
| 830 | const char *name) |
| 831 | { |
| 832 | return ERR_PTR(-ENOSYS); |
| 833 | } |
| 834 | |
| 835 | static void target_core_port_stat_rmdir( |
| 836 | struct config_group *group, |
| 837 | struct config_item *item) |
| 838 | { |
| 839 | return; |
| 840 | } |
| 841 | |
| 842 | static struct configfs_group_operations target_fabric_port_stat_group_ops = { |
| 843 | .make_group = target_core_port_stat_mkdir, |
| 844 | .drop_item = target_core_port_stat_rmdir, |
| 845 | }; |
| 846 | |
| 847 | TF_CIT_SETUP(tpg_port_stat, NULL, &target_fabric_port_stat_group_ops, NULL); |
| 848 | |
| 849 | /* End of tfc_tpg_port_stat_cit */ |
| 850 | |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 851 | /* Start of tfc_tpg_lun_cit */ |
| 852 | |
| 853 | static struct config_group *target_fabric_make_lun( |
| 854 | struct config_group *group, |
| 855 | const char *name) |
| 856 | { |
| 857 | struct se_lun *lun; |
| 858 | struct se_portal_group *se_tpg = container_of(group, |
| 859 | struct se_portal_group, tpg_lun_group); |
| 860 | struct target_fabric_configfs *tf = se_tpg->se_tpg_wwn->wwn_tf; |
Nicholas Bellinger | 12d233842 | 2011-03-14 04:06:11 -0700 | [diff] [blame] | 861 | struct config_group *lun_cg = NULL, *port_stat_grp = NULL; |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 862 | unsigned long unpacked_lun; |
Nicholas Bellinger | 12d233842 | 2011-03-14 04:06:11 -0700 | [diff] [blame] | 863 | int errno; |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 864 | |
| 865 | if (strstr(name, "lun_") != name) { |
Andy Grover | 6708bb2 | 2011-06-08 10:36:43 -0700 | [diff] [blame] | 866 | pr_err("Unable to locate \'_\" in" |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 867 | " \"lun_$LUN_NUMBER\"\n"); |
| 868 | return ERR_PTR(-EINVAL); |
| 869 | } |
| 870 | if (strict_strtoul(name + 4, 0, &unpacked_lun) || unpacked_lun > UINT_MAX) |
| 871 | return ERR_PTR(-EINVAL); |
| 872 | |
| 873 | lun = core_get_lun_from_tpg(se_tpg, unpacked_lun); |
Andy Grover | 6708bb2 | 2011-06-08 10:36:43 -0700 | [diff] [blame] | 874 | if (!lun) |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 875 | return ERR_PTR(-EINVAL); |
| 876 | |
Nicholas Bellinger | 12d233842 | 2011-03-14 04:06:11 -0700 | [diff] [blame] | 877 | lun_cg = &lun->lun_group; |
| 878 | lun_cg->default_groups = kzalloc(sizeof(struct config_group) * 2, |
| 879 | GFP_KERNEL); |
| 880 | if (!lun_cg->default_groups) { |
Andy Grover | 6708bb2 | 2011-06-08 10:36:43 -0700 | [diff] [blame] | 881 | pr_err("Unable to allocate lun_cg->default_groups\n"); |
Nicholas Bellinger | 12d233842 | 2011-03-14 04:06:11 -0700 | [diff] [blame] | 882 | return ERR_PTR(-ENOMEM); |
| 883 | } |
| 884 | |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 885 | config_group_init_type_name(&lun->lun_group, name, |
| 886 | &TF_CIT_TMPL(tf)->tfc_tpg_port_cit); |
Nicholas Bellinger | 12d233842 | 2011-03-14 04:06:11 -0700 | [diff] [blame] | 887 | config_group_init_type_name(&lun->port_stat_grps.stat_group, |
| 888 | "statistics", &TF_CIT_TMPL(tf)->tfc_tpg_port_stat_cit); |
| 889 | lun_cg->default_groups[0] = &lun->port_stat_grps.stat_group; |
| 890 | lun_cg->default_groups[1] = NULL; |
| 891 | |
Andy Grover | e3d6f90 | 2011-07-19 08:55:10 +0000 | [diff] [blame] | 892 | port_stat_grp = &lun->port_stat_grps.stat_group; |
Nicholas Bellinger | 12d233842 | 2011-03-14 04:06:11 -0700 | [diff] [blame] | 893 | port_stat_grp->default_groups = kzalloc(sizeof(struct config_group) * 3, |
| 894 | GFP_KERNEL); |
| 895 | if (!port_stat_grp->default_groups) { |
Andy Grover | 6708bb2 | 2011-06-08 10:36:43 -0700 | [diff] [blame] | 896 | pr_err("Unable to allocate port_stat_grp->default_groups\n"); |
Nicholas Bellinger | 12d233842 | 2011-03-14 04:06:11 -0700 | [diff] [blame] | 897 | errno = -ENOMEM; |
| 898 | goto out; |
| 899 | } |
| 900 | target_stat_setup_port_default_groups(lun); |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 901 | |
| 902 | return &lun->lun_group; |
Nicholas Bellinger | 12d233842 | 2011-03-14 04:06:11 -0700 | [diff] [blame] | 903 | out: |
| 904 | if (lun_cg) |
| 905 | kfree(lun_cg->default_groups); |
| 906 | return ERR_PTR(errno); |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 907 | } |
| 908 | |
| 909 | static void target_fabric_drop_lun( |
| 910 | struct config_group *group, |
| 911 | struct config_item *item) |
| 912 | { |
Nicholas Bellinger | 12d233842 | 2011-03-14 04:06:11 -0700 | [diff] [blame] | 913 | struct se_lun *lun = container_of(to_config_group(item), |
| 914 | struct se_lun, lun_group); |
| 915 | struct config_item *df_item; |
| 916 | struct config_group *lun_cg, *port_stat_grp; |
| 917 | int i; |
| 918 | |
Andy Grover | e3d6f90 | 2011-07-19 08:55:10 +0000 | [diff] [blame] | 919 | port_stat_grp = &lun->port_stat_grps.stat_group; |
Nicholas Bellinger | 12d233842 | 2011-03-14 04:06:11 -0700 | [diff] [blame] | 920 | for (i = 0; port_stat_grp->default_groups[i]; i++) { |
| 921 | df_item = &port_stat_grp->default_groups[i]->cg_item; |
| 922 | port_stat_grp->default_groups[i] = NULL; |
| 923 | config_item_put(df_item); |
| 924 | } |
| 925 | kfree(port_stat_grp->default_groups); |
| 926 | |
| 927 | lun_cg = &lun->lun_group; |
| 928 | for (i = 0; lun_cg->default_groups[i]; i++) { |
| 929 | df_item = &lun_cg->default_groups[i]->cg_item; |
| 930 | lun_cg->default_groups[i] = NULL; |
| 931 | config_item_put(df_item); |
| 932 | } |
| 933 | kfree(lun_cg->default_groups); |
| 934 | |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 935 | config_item_put(item); |
| 936 | } |
| 937 | |
| 938 | static struct configfs_group_operations target_fabric_lun_group_ops = { |
| 939 | .make_group = &target_fabric_make_lun, |
| 940 | .drop_item = &target_fabric_drop_lun, |
| 941 | }; |
| 942 | |
| 943 | TF_CIT_SETUP(tpg_lun, NULL, &target_fabric_lun_group_ops, NULL); |
| 944 | |
| 945 | /* End of tfc_tpg_lun_cit */ |
| 946 | |
| 947 | /* Start of tfc_tpg_attrib_cit */ |
| 948 | |
| 949 | CONFIGFS_EATTR_OPS(target_fabric_tpg_attrib, se_portal_group, tpg_attrib_group); |
| 950 | |
| 951 | static struct configfs_item_operations target_fabric_tpg_attrib_item_ops = { |
| 952 | .show_attribute = target_fabric_tpg_attrib_attr_show, |
| 953 | .store_attribute = target_fabric_tpg_attrib_attr_store, |
| 954 | }; |
| 955 | |
| 956 | TF_CIT_SETUP(tpg_attrib, &target_fabric_tpg_attrib_item_ops, NULL, NULL); |
| 957 | |
| 958 | /* End of tfc_tpg_attrib_cit */ |
| 959 | |
| 960 | /* Start of tfc_tpg_param_cit */ |
| 961 | |
| 962 | CONFIGFS_EATTR_OPS(target_fabric_tpg_param, se_portal_group, tpg_param_group); |
| 963 | |
| 964 | static struct configfs_item_operations target_fabric_tpg_param_item_ops = { |
| 965 | .show_attribute = target_fabric_tpg_param_attr_show, |
| 966 | .store_attribute = target_fabric_tpg_param_attr_store, |
| 967 | }; |
| 968 | |
| 969 | TF_CIT_SETUP(tpg_param, &target_fabric_tpg_param_item_ops, NULL, NULL); |
| 970 | |
| 971 | /* End of tfc_tpg_param_cit */ |
| 972 | |
| 973 | /* Start of tfc_tpg_base_cit */ |
| 974 | /* |
| 975 | * For use with TF_TPG_ATTR() and TF_TPG_ATTR_RO() |
| 976 | */ |
| 977 | CONFIGFS_EATTR_OPS(target_fabric_tpg, se_portal_group, tpg_group); |
| 978 | |
Nicholas Bellinger | 1f6fe7c | 2011-02-09 15:34:54 -0800 | [diff] [blame] | 979 | static void target_fabric_tpg_release(struct config_item *item) |
| 980 | { |
| 981 | struct se_portal_group *se_tpg = container_of(to_config_group(item), |
| 982 | struct se_portal_group, tpg_group); |
| 983 | struct se_wwn *wwn = se_tpg->se_tpg_wwn; |
| 984 | struct target_fabric_configfs *tf = wwn->wwn_tf; |
| 985 | |
| 986 | tf->tf_ops.fabric_drop_tpg(se_tpg); |
| 987 | } |
| 988 | |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 989 | static struct configfs_item_operations target_fabric_tpg_base_item_ops = { |
Nicholas Bellinger | 1f6fe7c | 2011-02-09 15:34:54 -0800 | [diff] [blame] | 990 | .release = target_fabric_tpg_release, |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 991 | .show_attribute = target_fabric_tpg_attr_show, |
| 992 | .store_attribute = target_fabric_tpg_attr_store, |
| 993 | }; |
| 994 | |
| 995 | TF_CIT_SETUP(tpg_base, &target_fabric_tpg_base_item_ops, NULL, NULL); |
| 996 | |
| 997 | /* End of tfc_tpg_base_cit */ |
| 998 | |
| 999 | /* Start of tfc_tpg_cit */ |
| 1000 | |
| 1001 | static struct config_group *target_fabric_make_tpg( |
| 1002 | struct config_group *group, |
| 1003 | const char *name) |
| 1004 | { |
| 1005 | struct se_wwn *wwn = container_of(group, struct se_wwn, wwn_group); |
| 1006 | struct target_fabric_configfs *tf = wwn->wwn_tf; |
| 1007 | struct se_portal_group *se_tpg; |
| 1008 | |
Andy Grover | 6708bb2 | 2011-06-08 10:36:43 -0700 | [diff] [blame] | 1009 | if (!tf->tf_ops.fabric_make_tpg) { |
| 1010 | pr_err("tf->tf_ops.fabric_make_tpg is NULL\n"); |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 1011 | return ERR_PTR(-ENOSYS); |
| 1012 | } |
| 1013 | |
| 1014 | se_tpg = tf->tf_ops.fabric_make_tpg(wwn, group, name); |
Andy Grover | 6708bb2 | 2011-06-08 10:36:43 -0700 | [diff] [blame] | 1015 | if (!se_tpg || IS_ERR(se_tpg)) |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 1016 | return ERR_PTR(-EINVAL); |
| 1017 | /* |
| 1018 | * Setup default groups from pre-allocated se_tpg->tpg_default_groups |
| 1019 | */ |
| 1020 | se_tpg->tpg_group.default_groups = se_tpg->tpg_default_groups; |
| 1021 | se_tpg->tpg_group.default_groups[0] = &se_tpg->tpg_lun_group; |
| 1022 | se_tpg->tpg_group.default_groups[1] = &se_tpg->tpg_np_group; |
| 1023 | se_tpg->tpg_group.default_groups[2] = &se_tpg->tpg_acl_group; |
| 1024 | se_tpg->tpg_group.default_groups[3] = &se_tpg->tpg_attrib_group; |
| 1025 | se_tpg->tpg_group.default_groups[4] = &se_tpg->tpg_param_group; |
| 1026 | se_tpg->tpg_group.default_groups[5] = NULL; |
| 1027 | |
| 1028 | config_group_init_type_name(&se_tpg->tpg_group, name, |
| 1029 | &TF_CIT_TMPL(tf)->tfc_tpg_base_cit); |
| 1030 | config_group_init_type_name(&se_tpg->tpg_lun_group, "lun", |
| 1031 | &TF_CIT_TMPL(tf)->tfc_tpg_lun_cit); |
| 1032 | config_group_init_type_name(&se_tpg->tpg_np_group, "np", |
| 1033 | &TF_CIT_TMPL(tf)->tfc_tpg_np_cit); |
| 1034 | config_group_init_type_name(&se_tpg->tpg_acl_group, "acls", |
| 1035 | &TF_CIT_TMPL(tf)->tfc_tpg_nacl_cit); |
| 1036 | config_group_init_type_name(&se_tpg->tpg_attrib_group, "attrib", |
| 1037 | &TF_CIT_TMPL(tf)->tfc_tpg_attrib_cit); |
| 1038 | config_group_init_type_name(&se_tpg->tpg_param_group, "param", |
| 1039 | &TF_CIT_TMPL(tf)->tfc_tpg_param_cit); |
| 1040 | |
| 1041 | return &se_tpg->tpg_group; |
| 1042 | } |
| 1043 | |
| 1044 | static void target_fabric_drop_tpg( |
| 1045 | struct config_group *group, |
| 1046 | struct config_item *item) |
| 1047 | { |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 1048 | struct se_portal_group *se_tpg = container_of(to_config_group(item), |
| 1049 | struct se_portal_group, tpg_group); |
| 1050 | struct config_group *tpg_cg = &se_tpg->tpg_group; |
| 1051 | struct config_item *df_item; |
| 1052 | int i; |
| 1053 | /* |
| 1054 | * Release default groups, but do not release tpg_cg->default_groups |
| 1055 | * memory as it is statically allocated at se_tpg->tpg_default_groups. |
| 1056 | */ |
| 1057 | for (i = 0; tpg_cg->default_groups[i]; i++) { |
| 1058 | df_item = &tpg_cg->default_groups[i]->cg_item; |
| 1059 | tpg_cg->default_groups[i] = NULL; |
| 1060 | config_item_put(df_item); |
| 1061 | } |
| 1062 | |
| 1063 | config_item_put(item); |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 1064 | } |
| 1065 | |
Nicholas Bellinger | 1f6fe7c | 2011-02-09 15:34:54 -0800 | [diff] [blame] | 1066 | static void target_fabric_release_wwn(struct config_item *item) |
| 1067 | { |
| 1068 | struct se_wwn *wwn = container_of(to_config_group(item), |
| 1069 | struct se_wwn, wwn_group); |
| 1070 | struct target_fabric_configfs *tf = wwn->wwn_tf; |
| 1071 | |
| 1072 | tf->tf_ops.fabric_drop_wwn(wwn); |
| 1073 | } |
| 1074 | |
| 1075 | static struct configfs_item_operations target_fabric_tpg_item_ops = { |
| 1076 | .release = target_fabric_release_wwn, |
| 1077 | }; |
| 1078 | |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 1079 | static struct configfs_group_operations target_fabric_tpg_group_ops = { |
| 1080 | .make_group = target_fabric_make_tpg, |
| 1081 | .drop_item = target_fabric_drop_tpg, |
| 1082 | }; |
| 1083 | |
Nicholas Bellinger | 1f6fe7c | 2011-02-09 15:34:54 -0800 | [diff] [blame] | 1084 | TF_CIT_SETUP(tpg, &target_fabric_tpg_item_ops, &target_fabric_tpg_group_ops, |
| 1085 | NULL); |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 1086 | |
| 1087 | /* End of tfc_tpg_cit */ |
| 1088 | |
Nicholas Bellinger | 12d233842 | 2011-03-14 04:06:11 -0700 | [diff] [blame] | 1089 | /* Start of tfc_wwn_fabric_stats_cit */ |
| 1090 | /* |
| 1091 | * This is used as a placeholder for struct se_wwn->fabric_stat_group |
| 1092 | * to allow fabrics access to ->fabric_stat_group->default_groups[] |
| 1093 | */ |
| 1094 | TF_CIT_SETUP(wwn_fabric_stats, NULL, NULL, NULL); |
| 1095 | |
| 1096 | /* End of tfc_wwn_fabric_stats_cit */ |
| 1097 | |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 1098 | /* Start of tfc_wwn_cit */ |
| 1099 | |
| 1100 | static struct config_group *target_fabric_make_wwn( |
| 1101 | struct config_group *group, |
| 1102 | const char *name) |
| 1103 | { |
| 1104 | struct target_fabric_configfs *tf = container_of(group, |
| 1105 | struct target_fabric_configfs, tf_group); |
| 1106 | struct se_wwn *wwn; |
| 1107 | |
Andy Grover | 6708bb2 | 2011-06-08 10:36:43 -0700 | [diff] [blame] | 1108 | if (!tf->tf_ops.fabric_make_wwn) { |
| 1109 | pr_err("tf->tf_ops.fabric_make_wwn is NULL\n"); |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 1110 | return ERR_PTR(-ENOSYS); |
| 1111 | } |
| 1112 | |
| 1113 | wwn = tf->tf_ops.fabric_make_wwn(tf, group, name); |
Andy Grover | 6708bb2 | 2011-06-08 10:36:43 -0700 | [diff] [blame] | 1114 | if (!wwn || IS_ERR(wwn)) |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 1115 | return ERR_PTR(-EINVAL); |
| 1116 | |
| 1117 | wwn->wwn_tf = tf; |
Nicholas Bellinger | 12d233842 | 2011-03-14 04:06:11 -0700 | [diff] [blame] | 1118 | /* |
| 1119 | * Setup default groups from pre-allocated wwn->wwn_default_groups |
| 1120 | */ |
| 1121 | wwn->wwn_group.default_groups = wwn->wwn_default_groups; |
| 1122 | wwn->wwn_group.default_groups[0] = &wwn->fabric_stat_group; |
| 1123 | wwn->wwn_group.default_groups[1] = NULL; |
| 1124 | |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 1125 | config_group_init_type_name(&wwn->wwn_group, name, |
| 1126 | &TF_CIT_TMPL(tf)->tfc_tpg_cit); |
Nicholas Bellinger | 12d233842 | 2011-03-14 04:06:11 -0700 | [diff] [blame] | 1127 | config_group_init_type_name(&wwn->fabric_stat_group, "fabric_statistics", |
| 1128 | &TF_CIT_TMPL(tf)->tfc_wwn_fabric_stats_cit); |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 1129 | |
| 1130 | return &wwn->wwn_group; |
| 1131 | } |
| 1132 | |
| 1133 | static void target_fabric_drop_wwn( |
| 1134 | struct config_group *group, |
| 1135 | struct config_item *item) |
| 1136 | { |
Nicholas Bellinger | 12d233842 | 2011-03-14 04:06:11 -0700 | [diff] [blame] | 1137 | struct se_wwn *wwn = container_of(to_config_group(item), |
| 1138 | struct se_wwn, wwn_group); |
| 1139 | struct config_item *df_item; |
| 1140 | struct config_group *cg = &wwn->wwn_group; |
| 1141 | int i; |
| 1142 | |
| 1143 | for (i = 0; cg->default_groups[i]; i++) { |
| 1144 | df_item = &cg->default_groups[i]->cg_item; |
| 1145 | cg->default_groups[i] = NULL; |
| 1146 | config_item_put(df_item); |
| 1147 | } |
| 1148 | |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 1149 | config_item_put(item); |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 1150 | } |
| 1151 | |
| 1152 | static struct configfs_group_operations target_fabric_wwn_group_ops = { |
| 1153 | .make_group = target_fabric_make_wwn, |
| 1154 | .drop_item = target_fabric_drop_wwn, |
| 1155 | }; |
| 1156 | /* |
| 1157 | * For use with TF_WWN_ATTR() and TF_WWN_ATTR_RO() |
| 1158 | */ |
| 1159 | CONFIGFS_EATTR_OPS(target_fabric_wwn, target_fabric_configfs, tf_group); |
| 1160 | |
| 1161 | static struct configfs_item_operations target_fabric_wwn_item_ops = { |
| 1162 | .show_attribute = target_fabric_wwn_attr_show, |
| 1163 | .store_attribute = target_fabric_wwn_attr_store, |
| 1164 | }; |
| 1165 | |
| 1166 | TF_CIT_SETUP(wwn, &target_fabric_wwn_item_ops, &target_fabric_wwn_group_ops, NULL); |
| 1167 | |
| 1168 | /* End of tfc_wwn_cit */ |
| 1169 | |
| 1170 | /* Start of tfc_discovery_cit */ |
| 1171 | |
| 1172 | CONFIGFS_EATTR_OPS(target_fabric_discovery, target_fabric_configfs, |
| 1173 | tf_disc_group); |
| 1174 | |
| 1175 | static struct configfs_item_operations target_fabric_discovery_item_ops = { |
| 1176 | .show_attribute = target_fabric_discovery_attr_show, |
| 1177 | .store_attribute = target_fabric_discovery_attr_store, |
| 1178 | }; |
| 1179 | |
| 1180 | TF_CIT_SETUP(discovery, &target_fabric_discovery_item_ops, NULL, NULL); |
| 1181 | |
| 1182 | /* End of tfc_discovery_cit */ |
| 1183 | |
| 1184 | int target_fabric_setup_cits(struct target_fabric_configfs *tf) |
| 1185 | { |
| 1186 | target_fabric_setup_discovery_cit(tf); |
| 1187 | target_fabric_setup_wwn_cit(tf); |
Nicholas Bellinger | 12d233842 | 2011-03-14 04:06:11 -0700 | [diff] [blame] | 1188 | target_fabric_setup_wwn_fabric_stats_cit(tf); |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 1189 | target_fabric_setup_tpg_cit(tf); |
| 1190 | target_fabric_setup_tpg_base_cit(tf); |
| 1191 | target_fabric_setup_tpg_port_cit(tf); |
Nicholas Bellinger | 12d233842 | 2011-03-14 04:06:11 -0700 | [diff] [blame] | 1192 | target_fabric_setup_tpg_port_stat_cit(tf); |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 1193 | target_fabric_setup_tpg_lun_cit(tf); |
| 1194 | target_fabric_setup_tpg_np_cit(tf); |
| 1195 | target_fabric_setup_tpg_np_base_cit(tf); |
| 1196 | target_fabric_setup_tpg_attrib_cit(tf); |
| 1197 | target_fabric_setup_tpg_param_cit(tf); |
| 1198 | target_fabric_setup_tpg_nacl_cit(tf); |
| 1199 | target_fabric_setup_tpg_nacl_base_cit(tf); |
| 1200 | target_fabric_setup_tpg_nacl_attrib_cit(tf); |
| 1201 | target_fabric_setup_tpg_nacl_auth_cit(tf); |
| 1202 | target_fabric_setup_tpg_nacl_param_cit(tf); |
Nicholas Bellinger | 12d233842 | 2011-03-14 04:06:11 -0700 | [diff] [blame] | 1203 | target_fabric_setup_tpg_nacl_stat_cit(tf); |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 1204 | target_fabric_setup_tpg_mappedlun_cit(tf); |
Nicholas Bellinger | 12d233842 | 2011-03-14 04:06:11 -0700 | [diff] [blame] | 1205 | target_fabric_setup_tpg_mappedlun_stat_cit(tf); |
Nicholas Bellinger | c66ac9d | 2010-12-17 11:11:26 -0800 | [diff] [blame] | 1206 | |
| 1207 | return 0; |
| 1208 | } |