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c66ac9db NB |
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 | * | |
4c76251e | 7 | * (c) Copyright 2010-2013 Datera, Inc. |
c66ac9db | 8 | * |
fd9a11d7 | 9 | * Nicholas A. Bellinger <nab@linux-iscsi.org> |
c66ac9db NB |
10 | * |
11 | * This program is free software; you can redistribute it and/or modify | |
12 | * it under the terms of the GNU General Public License as published by | |
13 | * the Free Software Foundation; either version 2 of the License, or | |
14 | * (at your option) any later version. | |
15 | * | |
16 | * This program is distributed in the hope that it will be useful, | |
17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 | * GNU General Public License for more details. | |
20 | ****************************************************************************/ | |
21 | ||
22 | #include <linux/module.h> | |
23 | #include <linux/moduleparam.h> | |
c66ac9db NB |
24 | #include <linux/utsname.h> |
25 | #include <linux/init.h> | |
26 | #include <linux/fs.h> | |
27 | #include <linux/namei.h> | |
28 | #include <linux/slab.h> | |
29 | #include <linux/types.h> | |
30 | #include <linux/delay.h> | |
31 | #include <linux/unistd.h> | |
32 | #include <linux/string.h> | |
33 | #include <linux/syscalls.h> | |
34 | #include <linux/configfs.h> | |
35 | ||
36 | #include <target/target_core_base.h> | |
c4795fb2 | 37 | #include <target/target_core_fabric.h> |
c66ac9db | 38 | |
e26d99ae | 39 | #include "target_core_internal.h" |
c66ac9db | 40 | #include "target_core_alua.h" |
c66ac9db NB |
41 | #include "target_core_pr.h" |
42 | ||
43 | #define TF_CIT_SETUP(_name, _item_ops, _group_ops, _attrs) \ | |
44 | static void target_fabric_setup_##_name##_cit(struct target_fabric_configfs *tf) \ | |
45 | { \ | |
968ebe75 | 46 | struct config_item_type *cit = &tf->tf_##_name##_cit; \ |
c66ac9db NB |
47 | \ |
48 | cit->ct_item_ops = _item_ops; \ | |
49 | cit->ct_group_ops = _group_ops; \ | |
50 | cit->ct_attrs = _attrs; \ | |
0dc2e8d1 | 51 | cit->ct_owner = tf->tf_ops->module; \ |
6708bb27 | 52 | pr_debug("Setup generic %s\n", __stringify(_name)); \ |
c66ac9db NB |
53 | } |
54 | ||
9ac8928e CH |
55 | #define TF_CIT_SETUP_DRV(_name, _item_ops, _group_ops) \ |
56 | static void target_fabric_setup_##_name##_cit(struct target_fabric_configfs *tf) \ | |
57 | { \ | |
968ebe75 | 58 | struct config_item_type *cit = &tf->tf_##_name##_cit; \ |
ef0caf8d | 59 | struct configfs_attribute **attrs = tf->tf_ops->tfc_##_name##_attrs; \ |
9ac8928e CH |
60 | \ |
61 | cit->ct_item_ops = _item_ops; \ | |
62 | cit->ct_group_ops = _group_ops; \ | |
63 | cit->ct_attrs = attrs; \ | |
0dc2e8d1 | 64 | cit->ct_owner = tf->tf_ops->module; \ |
9ac8928e CH |
65 | pr_debug("Setup generic %s\n", __stringify(_name)); \ |
66 | } | |
67 | ||
9ae0e9ad NB |
68 | static struct configfs_item_operations target_fabric_port_item_ops; |
69 | ||
c66ac9db NB |
70 | /* Start of tfc_tpg_mappedlun_cit */ |
71 | ||
72 | static int target_fabric_mappedlun_link( | |
73 | struct config_item *lun_acl_ci, | |
74 | struct config_item *lun_ci) | |
75 | { | |
76 | struct se_dev_entry *deve; | |
9ae0e9ad | 77 | struct se_lun *lun; |
c66ac9db NB |
78 | struct se_lun_acl *lacl = container_of(to_config_group(lun_acl_ci), |
79 | struct se_lun_acl, se_lun_group); | |
80 | struct se_portal_group *se_tpg; | |
81 | struct config_item *nacl_ci, *tpg_ci, *tpg_ci_s, *wwn_ci, *wwn_ci_s; | |
03a68b44 | 82 | bool lun_access_ro; |
0ff87549 | 83 | |
9ae0e9ad NB |
84 | if (!lun_ci->ci_type || |
85 | lun_ci->ci_type->ct_item_ops != &target_fabric_port_item_ops) { | |
86 | pr_err("Bad lun_ci, not a valid lun_ci pointer: %p\n", lun_ci); | |
0ff87549 NB |
87 | return -EFAULT; |
88 | } | |
9ae0e9ad NB |
89 | lun = container_of(to_config_group(lun_ci), struct se_lun, lun_group); |
90 | ||
c66ac9db NB |
91 | /* |
92 | * Ensure that the source port exists | |
93 | */ | |
adf653f9 CH |
94 | if (!lun->lun_se_dev) { |
95 | pr_err("Source se_lun->lun_se_dev does not exist\n"); | |
c66ac9db NB |
96 | return -EINVAL; |
97 | } | |
49cb77e2 NB |
98 | if (lun->lun_shutdown) { |
99 | pr_err("Unable to create mappedlun symlink because" | |
100 | " lun->lun_shutdown=true\n"); | |
101 | return -EINVAL; | |
102 | } | |
adf653f9 | 103 | se_tpg = lun->lun_tpg; |
c66ac9db NB |
104 | |
105 | nacl_ci = &lun_acl_ci->ci_parent->ci_group->cg_item; | |
106 | tpg_ci = &nacl_ci->ci_group->cg_item; | |
107 | wwn_ci = &tpg_ci->ci_group->cg_item; | |
108 | tpg_ci_s = &lun_ci->ci_parent->ci_group->cg_item; | |
109 | wwn_ci_s = &tpg_ci_s->ci_group->cg_item; | |
110 | /* | |
111 | * Make sure the SymLink is going to the same $FABRIC/$WWN/tpgt_$TPGT | |
112 | */ | |
113 | if (strcmp(config_item_name(wwn_ci), config_item_name(wwn_ci_s))) { | |
6708bb27 | 114 | pr_err("Illegal Initiator ACL SymLink outside of %s\n", |
c66ac9db NB |
115 | config_item_name(wwn_ci)); |
116 | return -EINVAL; | |
117 | } | |
118 | if (strcmp(config_item_name(tpg_ci), config_item_name(tpg_ci_s))) { | |
6708bb27 | 119 | pr_err("Illegal Initiator ACL Symlink outside of %s" |
c66ac9db NB |
120 | " TPGT: %s\n", config_item_name(wwn_ci), |
121 | config_item_name(tpg_ci)); | |
122 | return -EINVAL; | |
123 | } | |
124 | /* | |
125 | * If this struct se_node_acl was dynamically generated with | |
03a68b44 AG |
126 | * tpg_1/attrib/generate_node_acls=1, use the existing |
127 | * deve->lun_access_ro value, which will be true when | |
c66ac9db NB |
128 | * tpg_1/attrib/demo_mode_write_protect=1 |
129 | */ | |
29a05dee NB |
130 | rcu_read_lock(); |
131 | deve = target_nacl_find_deve(lacl->se_lun_nacl, lacl->mapped_lun); | |
132 | if (deve) | |
03a68b44 | 133 | lun_access_ro = deve->lun_access_ro; |
c66ac9db | 134 | else |
03a68b44 | 135 | lun_access_ro = |
e3d6f909 | 136 | (se_tpg->se_tpg_tfo->tpg_check_prod_mode_write_protect( |
03a68b44 | 137 | se_tpg)) ? true : false; |
29a05dee | 138 | rcu_read_unlock(); |
c66ac9db NB |
139 | /* |
140 | * Determine the actual mapped LUN value user wants.. | |
141 | * | |
142 | * This value is what the SCSI Initiator actually sees the | |
6bb82612 | 143 | * $FABRIC/$WWPN/$TPGT/lun/lun_* as on their SCSI Initiator Ports. |
c66ac9db | 144 | */ |
03a68b44 | 145 | return core_dev_add_initiator_node_lun_acl(se_tpg, lacl, lun, lun_access_ro); |
c66ac9db NB |
146 | } |
147 | ||
e16769d4 | 148 | static void target_fabric_mappedlun_unlink( |
c66ac9db NB |
149 | struct config_item *lun_acl_ci, |
150 | struct config_item *lun_ci) | |
151 | { | |
c66ac9db NB |
152 | struct se_lun_acl *lacl = container_of(to_config_group(lun_acl_ci), |
153 | struct se_lun_acl, se_lun_group); | |
29a05dee NB |
154 | struct se_lun *lun = container_of(to_config_group(lun_ci), |
155 | struct se_lun, lun_group); | |
c66ac9db | 156 | |
e16769d4 | 157 | core_dev_del_initiator_node_lun_acl(lun, lacl); |
c66ac9db NB |
158 | } |
159 | ||
2eafd729 CH |
160 | static struct se_lun_acl *item_to_lun_acl(struct config_item *item) |
161 | { | |
162 | return container_of(to_config_group(item), struct se_lun_acl, | |
163 | se_lun_group); | |
164 | } | |
c66ac9db | 165 | |
2eafd729 CH |
166 | static ssize_t target_fabric_mappedlun_write_protect_show( |
167 | struct config_item *item, char *page) | |
c66ac9db | 168 | { |
2eafd729 | 169 | struct se_lun_acl *lacl = item_to_lun_acl(item); |
c66ac9db NB |
170 | struct se_node_acl *se_nacl = lacl->se_lun_nacl; |
171 | struct se_dev_entry *deve; | |
29a05dee NB |
172 | ssize_t len = 0; |
173 | ||
174 | rcu_read_lock(); | |
175 | deve = target_nacl_find_deve(se_nacl, lacl->mapped_lun); | |
176 | if (deve) { | |
03a68b44 | 177 | len = sprintf(page, "%d\n", deve->lun_access_ro); |
29a05dee NB |
178 | } |
179 | rcu_read_unlock(); | |
c66ac9db NB |
180 | |
181 | return len; | |
182 | } | |
183 | ||
2eafd729 CH |
184 | static ssize_t target_fabric_mappedlun_write_protect_store( |
185 | struct config_item *item, const char *page, size_t count) | |
c66ac9db | 186 | { |
2eafd729 | 187 | struct se_lun_acl *lacl = item_to_lun_acl(item); |
c66ac9db NB |
188 | struct se_node_acl *se_nacl = lacl->se_lun_nacl; |
189 | struct se_portal_group *se_tpg = se_nacl->se_tpg; | |
03a68b44 | 190 | unsigned long wp; |
57103d7f | 191 | int ret; |
c66ac9db | 192 | |
03a68b44 | 193 | ret = kstrtoul(page, 0, &wp); |
57103d7f JH |
194 | if (ret) |
195 | return ret; | |
c66ac9db | 196 | |
03a68b44 | 197 | if ((wp != 1) && (wp != 0)) |
c66ac9db NB |
198 | return -EINVAL; |
199 | ||
03a68b44 AG |
200 | /* wp=1 means lun_access_ro=true */ |
201 | core_update_device_list_access(lacl->mapped_lun, wp, lacl->se_lun_nacl); | |
c66ac9db | 202 | |
6708bb27 | 203 | pr_debug("%s_ConfigFS: Changed Initiator ACL: %s" |
f2d30680 | 204 | " Mapped LUN: %llu Write Protect bit to %s\n", |
e3d6f909 | 205 | se_tpg->se_tpg_tfo->get_fabric_name(), |
03a68b44 | 206 | se_nacl->initiatorname, lacl->mapped_lun, (wp) ? "ON" : "OFF"); |
c66ac9db NB |
207 | |
208 | return count; | |
209 | ||
210 | } | |
211 | ||
2eafd729 | 212 | CONFIGFS_ATTR(target_fabric_mappedlun_, write_protect); |
c66ac9db | 213 | |
2eafd729 CH |
214 | static struct configfs_attribute *target_fabric_mappedlun_attrs[] = { |
215 | &target_fabric_mappedlun_attr_write_protect, | |
216 | NULL, | |
217 | }; | |
c66ac9db | 218 | |
1f6fe7cb NB |
219 | static void target_fabric_mappedlun_release(struct config_item *item) |
220 | { | |
221 | struct se_lun_acl *lacl = container_of(to_config_group(item), | |
222 | struct se_lun_acl, se_lun_group); | |
223 | struct se_portal_group *se_tpg = lacl->se_lun_nacl->se_tpg; | |
224 | ||
225 | core_dev_free_initiator_node_lun_acl(se_tpg, lacl); | |
226 | } | |
227 | ||
c66ac9db | 228 | static struct configfs_item_operations target_fabric_mappedlun_item_ops = { |
1f6fe7cb | 229 | .release = target_fabric_mappedlun_release, |
c66ac9db NB |
230 | .allow_link = target_fabric_mappedlun_link, |
231 | .drop_link = target_fabric_mappedlun_unlink, | |
232 | }; | |
233 | ||
234 | TF_CIT_SETUP(tpg_mappedlun, &target_fabric_mappedlun_item_ops, NULL, | |
235 | target_fabric_mappedlun_attrs); | |
236 | ||
237 | /* End of tfc_tpg_mappedlun_cit */ | |
238 | ||
12d23384 NB |
239 | /* Start of tfc_tpg_mappedlun_port_cit */ |
240 | ||
241 | static struct config_group *target_core_mappedlun_stat_mkdir( | |
242 | struct config_group *group, | |
243 | const char *name) | |
244 | { | |
245 | return ERR_PTR(-ENOSYS); | |
246 | } | |
247 | ||
248 | static void target_core_mappedlun_stat_rmdir( | |
249 | struct config_group *group, | |
250 | struct config_item *item) | |
251 | { | |
252 | return; | |
253 | } | |
254 | ||
255 | static struct configfs_group_operations target_fabric_mappedlun_stat_group_ops = { | |
256 | .make_group = target_core_mappedlun_stat_mkdir, | |
257 | .drop_item = target_core_mappedlun_stat_rmdir, | |
258 | }; | |
259 | ||
260 | TF_CIT_SETUP(tpg_mappedlun_stat, NULL, &target_fabric_mappedlun_stat_group_ops, | |
261 | NULL); | |
262 | ||
263 | /* End of tfc_tpg_mappedlun_port_cit */ | |
264 | ||
2eafd729 CH |
265 | TF_CIT_SETUP_DRV(tpg_nacl_attrib, NULL, NULL); |
266 | TF_CIT_SETUP_DRV(tpg_nacl_auth, NULL, NULL); | |
267 | TF_CIT_SETUP_DRV(tpg_nacl_param, NULL, NULL); | |
c66ac9db NB |
268 | |
269 | /* Start of tfc_tpg_nacl_base_cit */ | |
270 | ||
c66ac9db NB |
271 | static struct config_group *target_fabric_make_mappedlun( |
272 | struct config_group *group, | |
273 | const char *name) | |
274 | { | |
275 | struct se_node_acl *se_nacl = container_of(group, | |
276 | struct se_node_acl, acl_group); | |
277 | struct se_portal_group *se_tpg = se_nacl->se_tpg; | |
278 | struct target_fabric_configfs *tf = se_tpg->se_tpg_wwn->wwn_tf; | |
da0abaee | 279 | struct se_lun_acl *lacl = NULL; |
c66ac9db | 280 | char *buf; |
f2d30680 | 281 | unsigned long long mapped_lun; |
c66ac9db NB |
282 | int ret = 0; |
283 | ||
c66ac9db | 284 | buf = kzalloc(strlen(name) + 1, GFP_KERNEL); |
6708bb27 AG |
285 | if (!buf) { |
286 | pr_err("Unable to allocate memory for name buf\n"); | |
c66ac9db NB |
287 | return ERR_PTR(-ENOMEM); |
288 | } | |
289 | snprintf(buf, strlen(name) + 1, "%s", name); | |
290 | /* | |
291 | * Make sure user is creating iscsi/$IQN/$TPGT/acls/$INITIATOR/lun_$ID. | |
292 | */ | |
293 | if (strstr(buf, "lun_") != buf) { | |
6708bb27 | 294 | pr_err("Unable to locate \"lun_\" from buf: %s" |
c66ac9db NB |
295 | " name: %s\n", buf, name); |
296 | ret = -EINVAL; | |
297 | goto out; | |
298 | } | |
299 | /* | |
300 | * Determine the Mapped LUN value. This is what the SCSI Initiator | |
301 | * Port will actually see. | |
302 | */ | |
f2d30680 | 303 | ret = kstrtoull(buf + 4, 0, &mapped_lun); |
57103d7f JH |
304 | if (ret) |
305 | goto out; | |
c66ac9db | 306 | |
fcf29481 NB |
307 | lacl = core_dev_init_initiator_node_lun_acl(se_tpg, se_nacl, |
308 | mapped_lun, &ret); | |
6708bb27 | 309 | if (!lacl) { |
12d23384 | 310 | ret = -EINVAL; |
c66ac9db | 311 | goto out; |
12d23384 NB |
312 | } |
313 | ||
c66ac9db | 314 | config_group_init_type_name(&lacl->se_lun_group, name, |
968ebe75 | 315 | &tf->tf_tpg_mappedlun_cit); |
1ae1602d | 316 | |
12d23384 | 317 | config_group_init_type_name(&lacl->ml_stat_grps.stat_group, |
968ebe75 | 318 | "statistics", &tf->tf_tpg_mappedlun_stat_cit); |
1ae1602d CH |
319 | configfs_add_default_group(&lacl->ml_stat_grps.stat_group, |
320 | &lacl->se_lun_group); | |
321 | ||
12d23384 | 322 | target_stat_setup_mappedlun_default_groups(lacl); |
c66ac9db NB |
323 | |
324 | kfree(buf); | |
325 | return &lacl->se_lun_group; | |
326 | out: | |
da0abaee | 327 | kfree(lacl); |
c66ac9db NB |
328 | kfree(buf); |
329 | return ERR_PTR(ret); | |
330 | } | |
331 | ||
332 | static void target_fabric_drop_mappedlun( | |
333 | struct config_group *group, | |
334 | struct config_item *item) | |
335 | { | |
12d23384 NB |
336 | struct se_lun_acl *lacl = container_of(to_config_group(item), |
337 | struct se_lun_acl, se_lun_group); | |
12d23384 | 338 | |
1ae1602d CH |
339 | configfs_remove_default_groups(&lacl->ml_stat_grps.stat_group); |
340 | configfs_remove_default_groups(&lacl->se_lun_group); | |
12d23384 | 341 | |
c66ac9db | 342 | config_item_put(item); |
1f6fe7cb NB |
343 | } |
344 | ||
345 | static void target_fabric_nacl_base_release(struct config_item *item) | |
346 | { | |
347 | struct se_node_acl *se_nacl = container_of(to_config_group(item), | |
348 | struct se_node_acl, acl_group); | |
1f6fe7cb | 349 | |
ce7043fd | 350 | configfs_remove_default_groups(&se_nacl->acl_fabric_stat_group); |
c7d6a803 | 351 | core_tpg_del_initiator_node_acl(se_nacl); |
c66ac9db NB |
352 | } |
353 | ||
354 | static struct configfs_item_operations target_fabric_nacl_base_item_ops = { | |
1f6fe7cb | 355 | .release = target_fabric_nacl_base_release, |
c66ac9db NB |
356 | }; |
357 | ||
358 | static struct configfs_group_operations target_fabric_nacl_base_group_ops = { | |
359 | .make_group = target_fabric_make_mappedlun, | |
360 | .drop_item = target_fabric_drop_mappedlun, | |
361 | }; | |
362 | ||
9ac8928e CH |
363 | TF_CIT_SETUP_DRV(tpg_nacl_base, &target_fabric_nacl_base_item_ops, |
364 | &target_fabric_nacl_base_group_ops); | |
c66ac9db NB |
365 | |
366 | /* End of tfc_tpg_nacl_base_cit */ | |
367 | ||
12d23384 NB |
368 | /* Start of tfc_node_fabric_stats_cit */ |
369 | /* | |
370 | * This is used as a placeholder for struct se_node_acl->acl_fabric_stat_group | |
371 | * to allow fabrics access to ->acl_fabric_stat_group->default_groups[] | |
372 | */ | |
373 | TF_CIT_SETUP(tpg_nacl_stat, NULL, NULL, NULL); | |
374 | ||
375 | /* End of tfc_wwn_fabric_stats_cit */ | |
376 | ||
c66ac9db NB |
377 | /* Start of tfc_tpg_nacl_cit */ |
378 | ||
379 | static struct config_group *target_fabric_make_nodeacl( | |
380 | struct config_group *group, | |
381 | const char *name) | |
382 | { | |
383 | struct se_portal_group *se_tpg = container_of(group, | |
384 | struct se_portal_group, tpg_acl_group); | |
385 | struct target_fabric_configfs *tf = se_tpg->se_tpg_wwn->wwn_tf; | |
386 | struct se_node_acl *se_nacl; | |
c66ac9db | 387 | |
c7d6a803 | 388 | se_nacl = core_tpg_add_initiator_node_acl(se_tpg, name); |
c66ac9db | 389 | if (IS_ERR(se_nacl)) |
e1750ba2 | 390 | return ERR_CAST(se_nacl); |
c66ac9db | 391 | |
c66ac9db | 392 | config_group_init_type_name(&se_nacl->acl_group, name, |
968ebe75 | 393 | &tf->tf_tpg_nacl_base_cit); |
1ae1602d | 394 | |
c66ac9db | 395 | config_group_init_type_name(&se_nacl->acl_attrib_group, "attrib", |
968ebe75 | 396 | &tf->tf_tpg_nacl_attrib_cit); |
1ae1602d CH |
397 | configfs_add_default_group(&se_nacl->acl_attrib_group, |
398 | &se_nacl->acl_group); | |
399 | ||
c66ac9db | 400 | config_group_init_type_name(&se_nacl->acl_auth_group, "auth", |
968ebe75 | 401 | &tf->tf_tpg_nacl_auth_cit); |
1ae1602d CH |
402 | configfs_add_default_group(&se_nacl->acl_auth_group, |
403 | &se_nacl->acl_group); | |
404 | ||
c66ac9db | 405 | config_group_init_type_name(&se_nacl->acl_param_group, "param", |
968ebe75 | 406 | &tf->tf_tpg_nacl_param_cit); |
1ae1602d CH |
407 | configfs_add_default_group(&se_nacl->acl_param_group, |
408 | &se_nacl->acl_group); | |
409 | ||
12d23384 | 410 | config_group_init_type_name(&se_nacl->acl_fabric_stat_group, |
968ebe75 | 411 | "fabric_statistics", &tf->tf_tpg_nacl_stat_cit); |
1ae1602d CH |
412 | configfs_add_default_group(&se_nacl->acl_fabric_stat_group, |
413 | &se_nacl->acl_group); | |
c66ac9db | 414 | |
e6e202ed CH |
415 | if (tf->tf_ops->fabric_init_nodeacl) { |
416 | int ret = tf->tf_ops->fabric_init_nodeacl(se_nacl, name); | |
417 | if (ret) { | |
418 | configfs_remove_default_groups(&se_nacl->acl_fabric_stat_group); | |
419 | core_tpg_del_initiator_node_acl(se_nacl); | |
420 | return ERR_PTR(ret); | |
421 | } | |
422 | } | |
423 | ||
c66ac9db NB |
424 | return &se_nacl->acl_group; |
425 | } | |
426 | ||
427 | static void target_fabric_drop_nodeacl( | |
428 | struct config_group *group, | |
429 | struct config_item *item) | |
430 | { | |
c66ac9db NB |
431 | struct se_node_acl *se_nacl = container_of(to_config_group(item), |
432 | struct se_node_acl, acl_group); | |
1ae1602d CH |
433 | |
434 | configfs_remove_default_groups(&se_nacl->acl_group); | |
435 | ||
1f6fe7cb NB |
436 | /* |
437 | * struct se_node_acl free is done in target_fabric_nacl_base_release() | |
438 | */ | |
c66ac9db | 439 | config_item_put(item); |
c66ac9db NB |
440 | } |
441 | ||
442 | static struct configfs_group_operations target_fabric_nacl_group_ops = { | |
443 | .make_group = target_fabric_make_nodeacl, | |
444 | .drop_item = target_fabric_drop_nodeacl, | |
445 | }; | |
446 | ||
447 | TF_CIT_SETUP(tpg_nacl, NULL, &target_fabric_nacl_group_ops, NULL); | |
448 | ||
449 | /* End of tfc_tpg_nacl_cit */ | |
450 | ||
451 | /* Start of tfc_tpg_np_base_cit */ | |
452 | ||
1f6fe7cb NB |
453 | static void target_fabric_np_base_release(struct config_item *item) |
454 | { | |
455 | struct se_tpg_np *se_tpg_np = container_of(to_config_group(item), | |
456 | struct se_tpg_np, tpg_np_group); | |
457 | struct se_portal_group *se_tpg = se_tpg_np->tpg_np_parent; | |
458 | struct target_fabric_configfs *tf = se_tpg->se_tpg_wwn->wwn_tf; | |
459 | ||
ef0caf8d | 460 | tf->tf_ops->fabric_drop_np(se_tpg_np); |
1f6fe7cb NB |
461 | } |
462 | ||
c66ac9db | 463 | static struct configfs_item_operations target_fabric_np_base_item_ops = { |
1f6fe7cb | 464 | .release = target_fabric_np_base_release, |
c66ac9db NB |
465 | }; |
466 | ||
9ac8928e | 467 | TF_CIT_SETUP_DRV(tpg_np_base, &target_fabric_np_base_item_ops, NULL); |
c66ac9db NB |
468 | |
469 | /* End of tfc_tpg_np_base_cit */ | |
470 | ||
471 | /* Start of tfc_tpg_np_cit */ | |
472 | ||
473 | static struct config_group *target_fabric_make_np( | |
474 | struct config_group *group, | |
475 | const char *name) | |
476 | { | |
477 | struct se_portal_group *se_tpg = container_of(group, | |
478 | struct se_portal_group, tpg_np_group); | |
479 | struct target_fabric_configfs *tf = se_tpg->se_tpg_wwn->wwn_tf; | |
480 | struct se_tpg_np *se_tpg_np; | |
481 | ||
ef0caf8d | 482 | if (!tf->tf_ops->fabric_make_np) { |
6708bb27 | 483 | pr_err("tf->tf_ops.fabric_make_np is NULL\n"); |
c66ac9db NB |
484 | return ERR_PTR(-ENOSYS); |
485 | } | |
486 | ||
ef0caf8d | 487 | se_tpg_np = tf->tf_ops->fabric_make_np(se_tpg, group, name); |
6708bb27 | 488 | if (!se_tpg_np || IS_ERR(se_tpg_np)) |
c66ac9db NB |
489 | return ERR_PTR(-EINVAL); |
490 | ||
1f6fe7cb | 491 | se_tpg_np->tpg_np_parent = se_tpg; |
c66ac9db | 492 | config_group_init_type_name(&se_tpg_np->tpg_np_group, name, |
968ebe75 | 493 | &tf->tf_tpg_np_base_cit); |
c66ac9db NB |
494 | |
495 | return &se_tpg_np->tpg_np_group; | |
496 | } | |
497 | ||
498 | static void target_fabric_drop_np( | |
499 | struct config_group *group, | |
500 | struct config_item *item) | |
501 | { | |
1f6fe7cb NB |
502 | /* |
503 | * struct se_tpg_np is released via target_fabric_np_base_release() | |
504 | */ | |
c66ac9db | 505 | config_item_put(item); |
c66ac9db NB |
506 | } |
507 | ||
508 | static struct configfs_group_operations target_fabric_np_group_ops = { | |
509 | .make_group = &target_fabric_make_np, | |
510 | .drop_item = &target_fabric_drop_np, | |
511 | }; | |
512 | ||
513 | TF_CIT_SETUP(tpg_np, NULL, &target_fabric_np_group_ops, NULL); | |
514 | ||
515 | /* End of tfc_tpg_np_cit */ | |
516 | ||
517 | /* Start of tfc_tpg_port_cit */ | |
518 | ||
2eafd729 CH |
519 | static struct se_lun *item_to_lun(struct config_item *item) |
520 | { | |
521 | return container_of(to_config_group(item), struct se_lun, | |
522 | lun_group); | |
523 | } | |
c66ac9db | 524 | |
2eafd729 CH |
525 | static ssize_t target_fabric_port_alua_tg_pt_gp_show(struct config_item *item, |
526 | char *page) | |
c66ac9db | 527 | { |
2eafd729 CH |
528 | struct se_lun *lun = item_to_lun(item); |
529 | ||
adf653f9 | 530 | if (!lun || !lun->lun_se_dev) |
c66ac9db NB |
531 | return -ENODEV; |
532 | ||
adf653f9 | 533 | return core_alua_show_tg_pt_gp_info(lun, page); |
c66ac9db NB |
534 | } |
535 | ||
2eafd729 CH |
536 | static ssize_t target_fabric_port_alua_tg_pt_gp_store(struct config_item *item, |
537 | const char *page, size_t count) | |
c66ac9db | 538 | { |
2eafd729 CH |
539 | struct se_lun *lun = item_to_lun(item); |
540 | ||
adf653f9 | 541 | if (!lun || !lun->lun_se_dev) |
c66ac9db NB |
542 | return -ENODEV; |
543 | ||
adf653f9 | 544 | return core_alua_store_tg_pt_gp_info(lun, page, count); |
c66ac9db NB |
545 | } |
546 | ||
2eafd729 CH |
547 | static ssize_t target_fabric_port_alua_tg_pt_offline_show( |
548 | struct config_item *item, char *page) | |
c66ac9db | 549 | { |
2eafd729 CH |
550 | struct se_lun *lun = item_to_lun(item); |
551 | ||
adf653f9 | 552 | if (!lun || !lun->lun_se_dev) |
c66ac9db NB |
553 | return -ENODEV; |
554 | ||
555 | return core_alua_show_offline_bit(lun, page); | |
556 | } | |
557 | ||
2eafd729 CH |
558 | static ssize_t target_fabric_port_alua_tg_pt_offline_store( |
559 | struct config_item *item, const char *page, size_t count) | |
c66ac9db | 560 | { |
2eafd729 CH |
561 | struct se_lun *lun = item_to_lun(item); |
562 | ||
adf653f9 | 563 | if (!lun || !lun->lun_se_dev) |
c66ac9db NB |
564 | return -ENODEV; |
565 | ||
566 | return core_alua_store_offline_bit(lun, page, count); | |
567 | } | |
568 | ||
2eafd729 CH |
569 | static ssize_t target_fabric_port_alua_tg_pt_status_show( |
570 | struct config_item *item, char *page) | |
c66ac9db | 571 | { |
2eafd729 CH |
572 | struct se_lun *lun = item_to_lun(item); |
573 | ||
adf653f9 | 574 | if (!lun || !lun->lun_se_dev) |
c66ac9db NB |
575 | return -ENODEV; |
576 | ||
577 | return core_alua_show_secondary_status(lun, page); | |
578 | } | |
579 | ||
2eafd729 CH |
580 | static ssize_t target_fabric_port_alua_tg_pt_status_store( |
581 | struct config_item *item, const char *page, size_t count) | |
c66ac9db | 582 | { |
2eafd729 CH |
583 | struct se_lun *lun = item_to_lun(item); |
584 | ||
adf653f9 | 585 | if (!lun || !lun->lun_se_dev) |
c66ac9db NB |
586 | return -ENODEV; |
587 | ||
588 | return core_alua_store_secondary_status(lun, page, count); | |
589 | } | |
590 | ||
2eafd729 CH |
591 | static ssize_t target_fabric_port_alua_tg_pt_write_md_show( |
592 | struct config_item *item, char *page) | |
c66ac9db | 593 | { |
2eafd729 CH |
594 | struct se_lun *lun = item_to_lun(item); |
595 | ||
adf653f9 | 596 | if (!lun || !lun->lun_se_dev) |
c66ac9db NB |
597 | return -ENODEV; |
598 | ||
599 | return core_alua_show_secondary_write_metadata(lun, page); | |
600 | } | |
601 | ||
2eafd729 CH |
602 | static ssize_t target_fabric_port_alua_tg_pt_write_md_store( |
603 | struct config_item *item, const char *page, size_t count) | |
c66ac9db | 604 | { |
2eafd729 CH |
605 | struct se_lun *lun = item_to_lun(item); |
606 | ||
adf653f9 | 607 | if (!lun || !lun->lun_se_dev) |
c66ac9db NB |
608 | return -ENODEV; |
609 | ||
610 | return core_alua_store_secondary_write_metadata(lun, page, count); | |
611 | } | |
612 | ||
2eafd729 CH |
613 | CONFIGFS_ATTR(target_fabric_port_, alua_tg_pt_gp); |
614 | CONFIGFS_ATTR(target_fabric_port_, alua_tg_pt_offline); | |
615 | CONFIGFS_ATTR(target_fabric_port_, alua_tg_pt_status); | |
616 | CONFIGFS_ATTR(target_fabric_port_, alua_tg_pt_write_md); | |
c66ac9db NB |
617 | |
618 | static struct configfs_attribute *target_fabric_port_attrs[] = { | |
2eafd729 CH |
619 | &target_fabric_port_attr_alua_tg_pt_gp, |
620 | &target_fabric_port_attr_alua_tg_pt_offline, | |
621 | &target_fabric_port_attr_alua_tg_pt_status, | |
622 | &target_fabric_port_attr_alua_tg_pt_write_md, | |
c66ac9db NB |
623 | NULL, |
624 | }; | |
625 | ||
c66ac9db NB |
626 | static int target_fabric_port_link( |
627 | struct config_item *lun_ci, | |
628 | struct config_item *se_dev_ci) | |
629 | { | |
630 | struct config_item *tpg_ci; | |
c66ac9db NB |
631 | struct se_lun *lun = container_of(to_config_group(lun_ci), |
632 | struct se_lun, lun_group); | |
c66ac9db | 633 | struct se_portal_group *se_tpg; |
c17cd249 | 634 | struct se_device *dev; |
c66ac9db NB |
635 | struct target_fabric_configfs *tf; |
636 | int ret; | |
637 | ||
c17cd249 NB |
638 | if (!se_dev_ci->ci_type || |
639 | se_dev_ci->ci_type->ct_item_ops != &target_core_dev_item_ops) { | |
640 | pr_err("Bad se_dev_ci, not a valid se_dev_ci pointer: %p\n", se_dev_ci); | |
0ff87549 NB |
641 | return -EFAULT; |
642 | } | |
c17cd249 | 643 | dev = container_of(to_config_group(se_dev_ci), struct se_device, dev_group); |
0ff87549 | 644 | |
faa06ab9 NB |
645 | if (!(dev->dev_flags & DF_CONFIGURED)) { |
646 | pr_err("se_device not configured yet, cannot port link\n"); | |
647 | return -ENODEV; | |
648 | } | |
649 | ||
c66ac9db NB |
650 | tpg_ci = &lun_ci->ci_parent->ci_group->cg_item; |
651 | se_tpg = container_of(to_config_group(tpg_ci), | |
652 | struct se_portal_group, tpg_group); | |
653 | tf = se_tpg->se_tpg_wwn->wwn_tf; | |
654 | ||
655 | if (lun->lun_se_dev != NULL) { | |
6708bb27 | 656 | pr_err("Port Symlink already exists\n"); |
c66ac9db NB |
657 | return -EEXIST; |
658 | } | |
659 | ||
6bb82612 NB |
660 | ret = core_dev_add_lun(se_tpg, dev, lun); |
661 | if (ret) { | |
662 | pr_err("core_dev_add_lun() failed: %d\n", ret); | |
c66ac9db NB |
663 | goto out; |
664 | } | |
665 | ||
ef0caf8d | 666 | if (tf->tf_ops->fabric_post_link) { |
c66ac9db NB |
667 | /* |
668 | * Call the optional fabric_post_link() to allow a | |
669 | * fabric module to setup any additional state once | |
670 | * core_dev_add_lun() has been called.. | |
671 | */ | |
ef0caf8d | 672 | tf->tf_ops->fabric_post_link(se_tpg, lun); |
c66ac9db NB |
673 | } |
674 | ||
675 | return 0; | |
676 | out: | |
677 | return ret; | |
678 | } | |
679 | ||
e16769d4 | 680 | static void target_fabric_port_unlink( |
c66ac9db NB |
681 | struct config_item *lun_ci, |
682 | struct config_item *se_dev_ci) | |
683 | { | |
684 | struct se_lun *lun = container_of(to_config_group(lun_ci), | |
685 | struct se_lun, lun_group); | |
adf653f9 | 686 | struct se_portal_group *se_tpg = lun->lun_tpg; |
c66ac9db NB |
687 | struct target_fabric_configfs *tf = se_tpg->se_tpg_wwn->wwn_tf; |
688 | ||
ef0caf8d | 689 | if (tf->tf_ops->fabric_pre_unlink) { |
c66ac9db NB |
690 | /* |
691 | * Call the optional fabric_pre_unlink() to allow a | |
692 | * fabric module to release any additional stat before | |
693 | * core_dev_del_lun() is called. | |
694 | */ | |
ef0caf8d | 695 | tf->tf_ops->fabric_pre_unlink(se_tpg, lun); |
c66ac9db NB |
696 | } |
697 | ||
cd9d7cba | 698 | core_dev_del_lun(se_tpg, lun); |
c66ac9db NB |
699 | } |
700 | ||
6bb82612 NB |
701 | static void target_fabric_port_release(struct config_item *item) |
702 | { | |
703 | struct se_lun *lun = container_of(to_config_group(item), | |
704 | struct se_lun, lun_group); | |
705 | ||
706 | kfree_rcu(lun, rcu_head); | |
707 | } | |
708 | ||
c66ac9db | 709 | static struct configfs_item_operations target_fabric_port_item_ops = { |
6bb82612 | 710 | .release = target_fabric_port_release, |
c66ac9db NB |
711 | .allow_link = target_fabric_port_link, |
712 | .drop_link = target_fabric_port_unlink, | |
713 | }; | |
714 | ||
715 | TF_CIT_SETUP(tpg_port, &target_fabric_port_item_ops, NULL, target_fabric_port_attrs); | |
716 | ||
717 | /* End of tfc_tpg_port_cit */ | |
718 | ||
12d23384 NB |
719 | /* Start of tfc_tpg_port_stat_cit */ |
720 | ||
721 | static struct config_group *target_core_port_stat_mkdir( | |
722 | struct config_group *group, | |
723 | const char *name) | |
724 | { | |
725 | return ERR_PTR(-ENOSYS); | |
726 | } | |
727 | ||
728 | static void target_core_port_stat_rmdir( | |
729 | struct config_group *group, | |
730 | struct config_item *item) | |
731 | { | |
732 | return; | |
733 | } | |
734 | ||
735 | static struct configfs_group_operations target_fabric_port_stat_group_ops = { | |
736 | .make_group = target_core_port_stat_mkdir, | |
737 | .drop_item = target_core_port_stat_rmdir, | |
738 | }; | |
739 | ||
740 | TF_CIT_SETUP(tpg_port_stat, NULL, &target_fabric_port_stat_group_ops, NULL); | |
741 | ||
742 | /* End of tfc_tpg_port_stat_cit */ | |
743 | ||
c66ac9db NB |
744 | /* Start of tfc_tpg_lun_cit */ |
745 | ||
746 | static struct config_group *target_fabric_make_lun( | |
747 | struct config_group *group, | |
748 | const char *name) | |
749 | { | |
750 | struct se_lun *lun; | |
751 | struct se_portal_group *se_tpg = container_of(group, | |
752 | struct se_portal_group, tpg_lun_group); | |
753 | struct target_fabric_configfs *tf = se_tpg->se_tpg_wwn->wwn_tf; | |
f2d30680 | 754 | unsigned long long unpacked_lun; |
12d23384 | 755 | int errno; |
c66ac9db NB |
756 | |
757 | if (strstr(name, "lun_") != name) { | |
6708bb27 | 758 | pr_err("Unable to locate \'_\" in" |
c66ac9db NB |
759 | " \"lun_$LUN_NUMBER\"\n"); |
760 | return ERR_PTR(-EINVAL); | |
761 | } | |
f2d30680 | 762 | errno = kstrtoull(name + 4, 0, &unpacked_lun); |
57103d7f JH |
763 | if (errno) |
764 | return ERR_PTR(errno); | |
c66ac9db | 765 | |
6bb82612 NB |
766 | lun = core_tpg_alloc_lun(se_tpg, unpacked_lun); |
767 | if (IS_ERR(lun)) | |
768 | return ERR_CAST(lun); | |
c66ac9db NB |
769 | |
770 | config_group_init_type_name(&lun->lun_group, name, | |
968ebe75 | 771 | &tf->tf_tpg_port_cit); |
1ae1602d | 772 | |
12d23384 | 773 | config_group_init_type_name(&lun->port_stat_grps.stat_group, |
968ebe75 | 774 | "statistics", &tf->tf_tpg_port_stat_cit); |
1ae1602d CH |
775 | configfs_add_default_group(&lun->port_stat_grps.stat_group, |
776 | &lun->lun_group); | |
777 | ||
12d23384 | 778 | target_stat_setup_port_default_groups(lun); |
c66ac9db NB |
779 | |
780 | return &lun->lun_group; | |
781 | } | |
782 | ||
783 | static void target_fabric_drop_lun( | |
784 | struct config_group *group, | |
785 | struct config_item *item) | |
786 | { | |
12d23384 NB |
787 | struct se_lun *lun = container_of(to_config_group(item), |
788 | struct se_lun, lun_group); | |
12d23384 | 789 | |
1ae1602d CH |
790 | configfs_remove_default_groups(&lun->port_stat_grps.stat_group); |
791 | configfs_remove_default_groups(&lun->lun_group); | |
12d23384 | 792 | |
c66ac9db NB |
793 | config_item_put(item); |
794 | } | |
795 | ||
796 | static struct configfs_group_operations target_fabric_lun_group_ops = { | |
797 | .make_group = &target_fabric_make_lun, | |
798 | .drop_item = &target_fabric_drop_lun, | |
799 | }; | |
800 | ||
801 | TF_CIT_SETUP(tpg_lun, NULL, &target_fabric_lun_group_ops, NULL); | |
802 | ||
803 | /* End of tfc_tpg_lun_cit */ | |
804 | ||
2eafd729 CH |
805 | TF_CIT_SETUP_DRV(tpg_attrib, NULL, NULL); |
806 | TF_CIT_SETUP_DRV(tpg_auth, NULL, NULL); | |
807 | TF_CIT_SETUP_DRV(tpg_param, NULL, NULL); | |
c66ac9db NB |
808 | |
809 | /* Start of tfc_tpg_base_cit */ | |
c66ac9db | 810 | |
1f6fe7cb NB |
811 | static void target_fabric_tpg_release(struct config_item *item) |
812 | { | |
813 | struct se_portal_group *se_tpg = container_of(to_config_group(item), | |
814 | struct se_portal_group, tpg_group); | |
815 | struct se_wwn *wwn = se_tpg->se_tpg_wwn; | |
816 | struct target_fabric_configfs *tf = wwn->wwn_tf; | |
817 | ||
ef0caf8d | 818 | tf->tf_ops->fabric_drop_tpg(se_tpg); |
1f6fe7cb NB |
819 | } |
820 | ||
c66ac9db | 821 | static struct configfs_item_operations target_fabric_tpg_base_item_ops = { |
1f6fe7cb | 822 | .release = target_fabric_tpg_release, |
c66ac9db NB |
823 | }; |
824 | ||
9ac8928e | 825 | TF_CIT_SETUP_DRV(tpg_base, &target_fabric_tpg_base_item_ops, NULL); |
c66ac9db NB |
826 | |
827 | /* End of tfc_tpg_base_cit */ | |
828 | ||
829 | /* Start of tfc_tpg_cit */ | |
830 | ||
831 | static struct config_group *target_fabric_make_tpg( | |
832 | struct config_group *group, | |
833 | const char *name) | |
834 | { | |
835 | struct se_wwn *wwn = container_of(group, struct se_wwn, wwn_group); | |
836 | struct target_fabric_configfs *tf = wwn->wwn_tf; | |
837 | struct se_portal_group *se_tpg; | |
838 | ||
ef0caf8d CH |
839 | if (!tf->tf_ops->fabric_make_tpg) { |
840 | pr_err("tf->tf_ops->fabric_make_tpg is NULL\n"); | |
c66ac9db NB |
841 | return ERR_PTR(-ENOSYS); |
842 | } | |
843 | ||
ef0caf8d | 844 | se_tpg = tf->tf_ops->fabric_make_tpg(wwn, group, name); |
6708bb27 | 845 | if (!se_tpg || IS_ERR(se_tpg)) |
c66ac9db | 846 | return ERR_PTR(-EINVAL); |
c66ac9db NB |
847 | |
848 | config_group_init_type_name(&se_tpg->tpg_group, name, | |
968ebe75 | 849 | &tf->tf_tpg_base_cit); |
1ae1602d | 850 | |
c66ac9db | 851 | config_group_init_type_name(&se_tpg->tpg_lun_group, "lun", |
968ebe75 | 852 | &tf->tf_tpg_lun_cit); |
1ae1602d CH |
853 | configfs_add_default_group(&se_tpg->tpg_lun_group, |
854 | &se_tpg->tpg_group); | |
855 | ||
c66ac9db | 856 | config_group_init_type_name(&se_tpg->tpg_np_group, "np", |
968ebe75 | 857 | &tf->tf_tpg_np_cit); |
1ae1602d CH |
858 | configfs_add_default_group(&se_tpg->tpg_np_group, |
859 | &se_tpg->tpg_group); | |
860 | ||
c66ac9db | 861 | config_group_init_type_name(&se_tpg->tpg_acl_group, "acls", |
968ebe75 | 862 | &tf->tf_tpg_nacl_cit); |
1ae1602d CH |
863 | configfs_add_default_group(&se_tpg->tpg_acl_group, |
864 | &se_tpg->tpg_group); | |
865 | ||
c66ac9db | 866 | config_group_init_type_name(&se_tpg->tpg_attrib_group, "attrib", |
968ebe75 | 867 | &tf->tf_tpg_attrib_cit); |
1ae1602d CH |
868 | configfs_add_default_group(&se_tpg->tpg_attrib_group, |
869 | &se_tpg->tpg_group); | |
870 | ||
e4b512e7 | 871 | config_group_init_type_name(&se_tpg->tpg_auth_group, "auth", |
968ebe75 | 872 | &tf->tf_tpg_auth_cit); |
1ae1602d CH |
873 | configfs_add_default_group(&se_tpg->tpg_auth_group, |
874 | &se_tpg->tpg_group); | |
875 | ||
c66ac9db | 876 | config_group_init_type_name(&se_tpg->tpg_param_group, "param", |
968ebe75 | 877 | &tf->tf_tpg_param_cit); |
1ae1602d CH |
878 | configfs_add_default_group(&se_tpg->tpg_param_group, |
879 | &se_tpg->tpg_group); | |
c66ac9db NB |
880 | |
881 | return &se_tpg->tpg_group; | |
882 | } | |
883 | ||
884 | static void target_fabric_drop_tpg( | |
885 | struct config_group *group, | |
886 | struct config_item *item) | |
887 | { | |
c66ac9db NB |
888 | struct se_portal_group *se_tpg = container_of(to_config_group(item), |
889 | struct se_portal_group, tpg_group); | |
c66ac9db | 890 | |
1ae1602d | 891 | configfs_remove_default_groups(&se_tpg->tpg_group); |
c66ac9db | 892 | config_item_put(item); |
c66ac9db NB |
893 | } |
894 | ||
1f6fe7cb NB |
895 | static void target_fabric_release_wwn(struct config_item *item) |
896 | { | |
897 | struct se_wwn *wwn = container_of(to_config_group(item), | |
898 | struct se_wwn, wwn_group); | |
899 | struct target_fabric_configfs *tf = wwn->wwn_tf; | |
900 | ||
839559e1 | 901 | configfs_remove_default_groups(&wwn->fabric_stat_group); |
ef0caf8d | 902 | tf->tf_ops->fabric_drop_wwn(wwn); |
1f6fe7cb NB |
903 | } |
904 | ||
905 | static struct configfs_item_operations target_fabric_tpg_item_ops = { | |
906 | .release = target_fabric_release_wwn, | |
907 | }; | |
908 | ||
c66ac9db NB |
909 | static struct configfs_group_operations target_fabric_tpg_group_ops = { |
910 | .make_group = target_fabric_make_tpg, | |
911 | .drop_item = target_fabric_drop_tpg, | |
912 | }; | |
913 | ||
1f6fe7cb NB |
914 | TF_CIT_SETUP(tpg, &target_fabric_tpg_item_ops, &target_fabric_tpg_group_ops, |
915 | NULL); | |
c66ac9db NB |
916 | |
917 | /* End of tfc_tpg_cit */ | |
918 | ||
12d23384 NB |
919 | /* Start of tfc_wwn_fabric_stats_cit */ |
920 | /* | |
921 | * This is used as a placeholder for struct se_wwn->fabric_stat_group | |
922 | * to allow fabrics access to ->fabric_stat_group->default_groups[] | |
923 | */ | |
924 | TF_CIT_SETUP(wwn_fabric_stats, NULL, NULL, NULL); | |
925 | ||
926 | /* End of tfc_wwn_fabric_stats_cit */ | |
927 | ||
c66ac9db NB |
928 | /* Start of tfc_wwn_cit */ |
929 | ||
930 | static struct config_group *target_fabric_make_wwn( | |
931 | struct config_group *group, | |
932 | const char *name) | |
933 | { | |
934 | struct target_fabric_configfs *tf = container_of(group, | |
935 | struct target_fabric_configfs, tf_group); | |
936 | struct se_wwn *wwn; | |
937 | ||
ef0caf8d | 938 | if (!tf->tf_ops->fabric_make_wwn) { |
6708bb27 | 939 | pr_err("tf->tf_ops.fabric_make_wwn is NULL\n"); |
c66ac9db NB |
940 | return ERR_PTR(-ENOSYS); |
941 | } | |
942 | ||
ef0caf8d | 943 | wwn = tf->tf_ops->fabric_make_wwn(tf, group, name); |
6708bb27 | 944 | if (!wwn || IS_ERR(wwn)) |
c66ac9db NB |
945 | return ERR_PTR(-EINVAL); |
946 | ||
947 | wwn->wwn_tf = tf; | |
12d23384 | 948 | |
968ebe75 | 949 | config_group_init_type_name(&wwn->wwn_group, name, &tf->tf_tpg_cit); |
1ae1602d | 950 | |
12d23384 | 951 | config_group_init_type_name(&wwn->fabric_stat_group, "fabric_statistics", |
968ebe75 | 952 | &tf->tf_wwn_fabric_stats_cit); |
1ae1602d | 953 | configfs_add_default_group(&wwn->fabric_stat_group, &wwn->wwn_group); |
c66ac9db | 954 | |
839559e1 CH |
955 | if (tf->tf_ops->add_wwn_groups) |
956 | tf->tf_ops->add_wwn_groups(wwn); | |
c66ac9db NB |
957 | return &wwn->wwn_group; |
958 | } | |
959 | ||
960 | static void target_fabric_drop_wwn( | |
961 | struct config_group *group, | |
962 | struct config_item *item) | |
963 | { | |
12d23384 NB |
964 | struct se_wwn *wwn = container_of(to_config_group(item), |
965 | struct se_wwn, wwn_group); | |
12d23384 | 966 | |
1ae1602d | 967 | configfs_remove_default_groups(&wwn->wwn_group); |
c66ac9db | 968 | config_item_put(item); |
c66ac9db NB |
969 | } |
970 | ||
971 | static struct configfs_group_operations target_fabric_wwn_group_ops = { | |
972 | .make_group = target_fabric_make_wwn, | |
973 | .drop_item = target_fabric_drop_wwn, | |
974 | }; | |
c66ac9db | 975 | |
2eafd729 CH |
976 | TF_CIT_SETUP_DRV(wwn, NULL, &target_fabric_wwn_group_ops); |
977 | TF_CIT_SETUP_DRV(discovery, NULL, NULL); | |
c66ac9db NB |
978 | |
979 | int target_fabric_setup_cits(struct target_fabric_configfs *tf) | |
980 | { | |
981 | target_fabric_setup_discovery_cit(tf); | |
982 | target_fabric_setup_wwn_cit(tf); | |
12d23384 | 983 | target_fabric_setup_wwn_fabric_stats_cit(tf); |
c66ac9db NB |
984 | target_fabric_setup_tpg_cit(tf); |
985 | target_fabric_setup_tpg_base_cit(tf); | |
986 | target_fabric_setup_tpg_port_cit(tf); | |
12d23384 | 987 | target_fabric_setup_tpg_port_stat_cit(tf); |
c66ac9db NB |
988 | target_fabric_setup_tpg_lun_cit(tf); |
989 | target_fabric_setup_tpg_np_cit(tf); | |
990 | target_fabric_setup_tpg_np_base_cit(tf); | |
991 | target_fabric_setup_tpg_attrib_cit(tf); | |
e4b512e7 | 992 | target_fabric_setup_tpg_auth_cit(tf); |
c66ac9db NB |
993 | target_fabric_setup_tpg_param_cit(tf); |
994 | target_fabric_setup_tpg_nacl_cit(tf); | |
995 | target_fabric_setup_tpg_nacl_base_cit(tf); | |
996 | target_fabric_setup_tpg_nacl_attrib_cit(tf); | |
997 | target_fabric_setup_tpg_nacl_auth_cit(tf); | |
998 | target_fabric_setup_tpg_nacl_param_cit(tf); | |
12d23384 | 999 | target_fabric_setup_tpg_nacl_stat_cit(tf); |
c66ac9db | 1000 | target_fabric_setup_tpg_mappedlun_cit(tf); |
12d23384 | 1001 | target_fabric_setup_tpg_mappedlun_stat_cit(tf); |
c66ac9db NB |
1002 | |
1003 | return 0; | |
1004 | } |