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3699d92a KP |
1 | /******************************************************************************* |
2 | * Filename: tcm_fc.c | |
3 | * | |
4 | * This file contains the configfs implementation for TCM_fc fabric node. | |
5 | * Based on tcm_loop_configfs.c | |
6 | * | |
7 | * Copyright (c) 2010 Cisco Systems, Inc. | |
8 | * Copyright (c) 2009,2010 Rising Tide, Inc. | |
9 | * Copyright (c) 2009,2010 Linux-iSCSI.org | |
10 | * | |
11 | * Copyright (c) 2009,2010 Nicholas A. Bellinger <nab@linux-iscsi.org> | |
12 | * | |
13 | * This program is free software; you can redistribute it and/or modify | |
14 | * it under the terms of the GNU General Public License as published by | |
15 | * the Free Software Foundation; either version 2 of the License, or | |
16 | * (at your option) any later version. | |
17 | * | |
18 | * This program is distributed in the hope that it will be useful, | |
19 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
20 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
21 | * GNU General Public License for more details. | |
22 | ****************************************************************************/ | |
23 | ||
24 | #include <linux/module.h> | |
25 | #include <linux/moduleparam.h> | |
3699d92a KP |
26 | #include <generated/utsrelease.h> |
27 | #include <linux/utsname.h> | |
28 | #include <linux/init.h> | |
29 | #include <linux/slab.h> | |
30 | #include <linux/kthread.h> | |
31 | #include <linux/types.h> | |
32 | #include <linux/string.h> | |
33 | #include <linux/configfs.h> | |
635a2b3f | 34 | #include <linux/kernel.h> |
3699d92a KP |
35 | #include <linux/ctype.h> |
36 | #include <asm/unaligned.h> | |
37 | #include <scsi/scsi.h> | |
38 | #include <scsi/scsi_host.h> | |
39 | #include <scsi/scsi_device.h> | |
40 | #include <scsi/scsi_cmnd.h> | |
41 | #include <scsi/libfc.h> | |
42 | ||
43 | #include <target/target_core_base.h> | |
c4795fb2 | 44 | #include <target/target_core_fabric.h> |
3699d92a | 45 | #include <target/target_core_fabric_configfs.h> |
3699d92a | 46 | #include <target/target_core_configfs.h> |
3699d92a KP |
47 | #include <target/configfs_macros.h> |
48 | ||
49 | #include "tcm_fc.h" | |
50 | ||
9ac8928e | 51 | static const struct target_core_fabric_ops ft_fabric_ops; |
3699d92a | 52 | |
705665da | 53 | static LIST_HEAD(ft_wwn_list); |
3699d92a KP |
54 | DEFINE_MUTEX(ft_lport_lock); |
55 | ||
56 | unsigned int ft_debug_logging; | |
57 | module_param_named(debug_logging, ft_debug_logging, int, S_IRUGO|S_IWUSR); | |
58 | MODULE_PARM_DESC(debug_logging, "a bit mask of logging levels"); | |
59 | ||
60 | /* | |
61 | * Parse WWN. | |
62 | * If strict, we require lower-case hex and colon separators to be sure | |
63 | * the name is the same as what would be generated by ft_format_wwn() | |
64 | * so the name and wwn are mapped one-to-one. | |
65 | */ | |
66 | static ssize_t ft_parse_wwn(const char *name, u64 *wwn, int strict) | |
67 | { | |
68 | const char *cp; | |
69 | char c; | |
3699d92a KP |
70 | u32 byte = 0; |
71 | u32 pos = 0; | |
72 | u32 err; | |
635a2b3f | 73 | int val; |
3699d92a KP |
74 | |
75 | *wwn = 0; | |
76 | for (cp = name; cp < &name[FT_NAMELEN - 1]; cp++) { | |
77 | c = *cp; | |
78 | if (c == '\n' && cp[1] == '\0') | |
79 | continue; | |
80 | if (strict && pos++ == 2 && byte++ < 7) { | |
81 | pos = 0; | |
82 | if (c == ':') | |
83 | continue; | |
84 | err = 1; | |
85 | goto fail; | |
86 | } | |
87 | if (c == '\0') { | |
88 | err = 2; | |
89 | if (strict && byte != 8) | |
90 | goto fail; | |
91 | return cp - name; | |
92 | } | |
93 | err = 3; | |
635a2b3f AS |
94 | val = hex_to_bin(c); |
95 | if (val < 0 || (strict && isupper(c))) | |
3699d92a | 96 | goto fail; |
635a2b3f | 97 | *wwn = (*wwn << 4) | val; |
3699d92a KP |
98 | } |
99 | err = 4; | |
100 | fail: | |
6708bb27 | 101 | pr_debug("err %u len %zu pos %u byte %u\n", |
3699d92a KP |
102 | err, cp - name, pos, byte); |
103 | return -1; | |
104 | } | |
105 | ||
106 | ssize_t ft_format_wwn(char *buf, size_t len, u64 wwn) | |
107 | { | |
108 | u8 b[8]; | |
109 | ||
110 | put_unaligned_be64(wwn, b); | |
111 | return snprintf(buf, len, | |
112 | "%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x", | |
113 | b[0], b[1], b[2], b[3], b[4], b[5], b[6], b[7]); | |
114 | } | |
115 | ||
116 | static ssize_t ft_wwn_show(void *arg, char *buf) | |
117 | { | |
118 | u64 *wwn = arg; | |
119 | ssize_t len; | |
120 | ||
121 | len = ft_format_wwn(buf, PAGE_SIZE - 2, *wwn); | |
122 | buf[len++] = '\n'; | |
123 | return len; | |
124 | } | |
125 | ||
126 | static ssize_t ft_wwn_store(void *arg, const char *buf, size_t len) | |
127 | { | |
128 | ssize_t ret; | |
129 | u64 wwn; | |
130 | ||
131 | ret = ft_parse_wwn(buf, &wwn, 0); | |
132 | if (ret > 0) | |
133 | *(u64 *)arg = wwn; | |
134 | return ret; | |
135 | } | |
136 | ||
137 | /* | |
138 | * ACL auth ops. | |
139 | */ | |
140 | ||
141 | static ssize_t ft_nacl_show_port_name( | |
142 | struct se_node_acl *se_nacl, | |
143 | char *page) | |
144 | { | |
145 | struct ft_node_acl *acl = container_of(se_nacl, | |
146 | struct ft_node_acl, se_node_acl); | |
147 | ||
148 | return ft_wwn_show(&acl->node_auth.port_name, page); | |
149 | } | |
150 | ||
151 | static ssize_t ft_nacl_store_port_name( | |
152 | struct se_node_acl *se_nacl, | |
153 | const char *page, | |
154 | size_t count) | |
155 | { | |
156 | struct ft_node_acl *acl = container_of(se_nacl, | |
157 | struct ft_node_acl, se_node_acl); | |
158 | ||
159 | return ft_wwn_store(&acl->node_auth.port_name, page, count); | |
160 | } | |
161 | ||
162 | TF_NACL_BASE_ATTR(ft, port_name, S_IRUGO | S_IWUSR); | |
163 | ||
164 | static ssize_t ft_nacl_show_node_name( | |
165 | struct se_node_acl *se_nacl, | |
166 | char *page) | |
167 | { | |
168 | struct ft_node_acl *acl = container_of(se_nacl, | |
169 | struct ft_node_acl, se_node_acl); | |
170 | ||
171 | return ft_wwn_show(&acl->node_auth.node_name, page); | |
172 | } | |
173 | ||
174 | static ssize_t ft_nacl_store_node_name( | |
175 | struct se_node_acl *se_nacl, | |
176 | const char *page, | |
177 | size_t count) | |
178 | { | |
179 | struct ft_node_acl *acl = container_of(se_nacl, | |
180 | struct ft_node_acl, se_node_acl); | |
181 | ||
182 | return ft_wwn_store(&acl->node_auth.node_name, page, count); | |
183 | } | |
184 | ||
185 | TF_NACL_BASE_ATTR(ft, node_name, S_IRUGO | S_IWUSR); | |
186 | ||
187 | static struct configfs_attribute *ft_nacl_base_attrs[] = { | |
188 | &ft_nacl_port_name.attr, | |
189 | &ft_nacl_node_name.attr, | |
190 | NULL, | |
191 | }; | |
192 | ||
193 | /* | |
194 | * ACL ops. | |
195 | */ | |
196 | ||
197 | /* | |
198 | * Add ACL for an initiator. The ACL is named arbitrarily. | |
199 | * The port_name and/or node_name are attributes. | |
200 | */ | |
c7d6a803 | 201 | static int ft_init_nodeacl(struct se_node_acl *nacl, const char *name) |
3699d92a | 202 | { |
c7d6a803 CH |
203 | struct ft_node_acl *acl = |
204 | container_of(nacl, struct ft_node_acl, se_node_acl); | |
3699d92a | 205 | u64 wwpn; |
3699d92a KP |
206 | |
207 | if (ft_parse_wwn(name, &wwpn, 1) < 0) | |
c7d6a803 | 208 | return -EINVAL; |
3699d92a | 209 | |
3699d92a | 210 | acl->node_auth.port_name = wwpn; |
c7d6a803 | 211 | return 0; |
3699d92a KP |
212 | } |
213 | ||
214 | struct ft_node_acl *ft_acl_get(struct ft_tpg *tpg, struct fc_rport_priv *rdata) | |
215 | { | |
216 | struct ft_node_acl *found = NULL; | |
217 | struct ft_node_acl *acl; | |
218 | struct se_portal_group *se_tpg = &tpg->se_tpg; | |
219 | struct se_node_acl *se_acl; | |
220 | ||
28638887 | 221 | spin_lock_irq(&se_tpg->acl_node_lock); |
3699d92a KP |
222 | list_for_each_entry(se_acl, &se_tpg->acl_node_list, acl_list) { |
223 | acl = container_of(se_acl, struct ft_node_acl, se_node_acl); | |
6708bb27 | 224 | pr_debug("acl %p port_name %llx\n", |
3699d92a KP |
225 | acl, (unsigned long long)acl->node_auth.port_name); |
226 | if (acl->node_auth.port_name == rdata->ids.port_name || | |
227 | acl->node_auth.node_name == rdata->ids.node_name) { | |
6708bb27 | 228 | pr_debug("acl %p port_name %llx matched\n", acl, |
3699d92a KP |
229 | (unsigned long long)rdata->ids.port_name); |
230 | found = acl; | |
231 | /* XXX need to hold onto ACL */ | |
232 | break; | |
233 | } | |
234 | } | |
28638887 | 235 | spin_unlock_irq(&se_tpg->acl_node_lock); |
3699d92a KP |
236 | return found; |
237 | } | |
238 | ||
3699d92a KP |
239 | /* |
240 | * local_port port_group (tpg) ops. | |
241 | */ | |
242 | static struct se_portal_group *ft_add_tpg( | |
243 | struct se_wwn *wwn, | |
244 | struct config_group *group, | |
245 | const char *name) | |
246 | { | |
705665da | 247 | struct ft_lport_wwn *ft_wwn; |
3699d92a | 248 | struct ft_tpg *tpg; |
06383f10 | 249 | struct workqueue_struct *wq; |
3699d92a KP |
250 | unsigned long index; |
251 | int ret; | |
252 | ||
6708bb27 | 253 | pr_debug("tcm_fc: add tpg %s\n", name); |
3699d92a KP |
254 | |
255 | /* | |
256 | * Name must be "tpgt_" followed by the index. | |
257 | */ | |
258 | if (strstr(name, "tpgt_") != name) | |
259 | return NULL; | |
57103d7f JH |
260 | |
261 | ret = kstrtoul(name + 5, 10, &index); | |
262 | if (ret) | |
263 | return NULL; | |
264 | if (index > UINT_MAX) | |
3699d92a KP |
265 | return NULL; |
266 | ||
d242c1d7 AG |
267 | if ((index != 1)) { |
268 | pr_err("Error, a single TPG=1 is used for HW port mappings\n"); | |
269 | return ERR_PTR(-ENOSYS); | |
270 | } | |
271 | ||
705665da | 272 | ft_wwn = container_of(wwn, struct ft_lport_wwn, se_wwn); |
3699d92a KP |
273 | tpg = kzalloc(sizeof(*tpg), GFP_KERNEL); |
274 | if (!tpg) | |
275 | return NULL; | |
276 | tpg->index = index; | |
705665da | 277 | tpg->lport_wwn = ft_wwn; |
3699d92a | 278 | INIT_LIST_HEAD(&tpg->lun_list); |
3699d92a | 279 | |
06383f10 MR |
280 | wq = alloc_workqueue("tcm_fc", 0, 1); |
281 | if (!wq) { | |
3699d92a KP |
282 | kfree(tpg); |
283 | return NULL; | |
284 | } | |
285 | ||
9ac8928e | 286 | ret = core_tpg_register(&ft_fabric_ops, wwn, &tpg->se_tpg, |
06383f10 MR |
287 | tpg, TRANSPORT_TPG_TYPE_NORMAL); |
288 | if (ret < 0) { | |
289 | destroy_workqueue(wq); | |
3699d92a KP |
290 | kfree(tpg); |
291 | return NULL; | |
292 | } | |
06383f10 | 293 | tpg->workqueue = wq; |
3699d92a KP |
294 | |
295 | mutex_lock(&ft_lport_lock); | |
705665da | 296 | ft_wwn->tpg = tpg; |
3699d92a KP |
297 | mutex_unlock(&ft_lport_lock); |
298 | ||
299 | return &tpg->se_tpg; | |
300 | } | |
301 | ||
302 | static void ft_del_tpg(struct se_portal_group *se_tpg) | |
303 | { | |
304 | struct ft_tpg *tpg = container_of(se_tpg, struct ft_tpg, se_tpg); | |
705665da | 305 | struct ft_lport_wwn *ft_wwn = tpg->lport_wwn; |
3699d92a | 306 | |
6708bb27 | 307 | pr_debug("del tpg %s\n", |
3699d92a KP |
308 | config_item_name(&tpg->se_tpg.tpg_group.cg_item)); |
309 | ||
58fc73d1 | 310 | destroy_workqueue(tpg->workqueue); |
3699d92a KP |
311 | |
312 | /* Wait for sessions to be freed thru RCU, for BUG_ON below */ | |
313 | synchronize_rcu(); | |
314 | ||
315 | mutex_lock(&ft_lport_lock); | |
705665da | 316 | ft_wwn->tpg = NULL; |
3699d92a KP |
317 | if (tpg->tport) { |
318 | tpg->tport->tpg = NULL; | |
319 | tpg->tport = NULL; | |
320 | } | |
321 | mutex_unlock(&ft_lport_lock); | |
322 | ||
323 | core_tpg_deregister(se_tpg); | |
324 | kfree(tpg); | |
325 | } | |
326 | ||
327 | /* | |
328 | * Verify that an lport is configured to use the tcm_fc module, and return | |
329 | * the target port group that should be used. | |
330 | * | |
331 | * The caller holds ft_lport_lock. | |
332 | */ | |
333 | struct ft_tpg *ft_lport_find_tpg(struct fc_lport *lport) | |
334 | { | |
705665da | 335 | struct ft_lport_wwn *ft_wwn; |
3699d92a | 336 | |
705665da AG |
337 | list_for_each_entry(ft_wwn, &ft_wwn_list, ft_wwn_node) { |
338 | if (ft_wwn->wwpn == lport->wwpn) | |
339 | return ft_wwn->tpg; | |
3699d92a KP |
340 | } |
341 | return NULL; | |
342 | } | |
343 | ||
344 | /* | |
345 | * target config instance ops. | |
346 | */ | |
347 | ||
348 | /* | |
349 | * Add lport to allowed config. | |
350 | * The name is the WWPN in lower-case ASCII, colon-separated bytes. | |
351 | */ | |
0d7cb932 | 352 | static struct se_wwn *ft_add_wwn( |
3699d92a KP |
353 | struct target_fabric_configfs *tf, |
354 | struct config_group *group, | |
355 | const char *name) | |
356 | { | |
705665da AG |
357 | struct ft_lport_wwn *ft_wwn; |
358 | struct ft_lport_wwn *old_ft_wwn; | |
3699d92a KP |
359 | u64 wwpn; |
360 | ||
0d7cb932 | 361 | pr_debug("add wwn %s\n", name); |
3699d92a KP |
362 | if (ft_parse_wwn(name, &wwpn, 1) < 0) |
363 | return NULL; | |
705665da AG |
364 | ft_wwn = kzalloc(sizeof(*ft_wwn), GFP_KERNEL); |
365 | if (!ft_wwn) | |
3699d92a | 366 | return NULL; |
705665da | 367 | ft_wwn->wwpn = wwpn; |
3699d92a KP |
368 | |
369 | mutex_lock(&ft_lport_lock); | |
705665da AG |
370 | list_for_each_entry(old_ft_wwn, &ft_wwn_list, ft_wwn_node) { |
371 | if (old_ft_wwn->wwpn == wwpn) { | |
3699d92a | 372 | mutex_unlock(&ft_lport_lock); |
705665da | 373 | kfree(ft_wwn); |
3699d92a KP |
374 | return NULL; |
375 | } | |
376 | } | |
705665da AG |
377 | list_add_tail(&ft_wwn->ft_wwn_node, &ft_wwn_list); |
378 | ft_format_wwn(ft_wwn->name, sizeof(ft_wwn->name), wwpn); | |
3699d92a KP |
379 | mutex_unlock(&ft_lport_lock); |
380 | ||
705665da | 381 | return &ft_wwn->se_wwn; |
3699d92a KP |
382 | } |
383 | ||
0d7cb932 | 384 | static void ft_del_wwn(struct se_wwn *wwn) |
3699d92a | 385 | { |
705665da AG |
386 | struct ft_lport_wwn *ft_wwn = container_of(wwn, |
387 | struct ft_lport_wwn, se_wwn); | |
3699d92a | 388 | |
0d7cb932 | 389 | pr_debug("del wwn %s\n", ft_wwn->name); |
3699d92a | 390 | mutex_lock(&ft_lport_lock); |
705665da | 391 | list_del(&ft_wwn->ft_wwn_node); |
3699d92a KP |
392 | mutex_unlock(&ft_lport_lock); |
393 | ||
705665da | 394 | kfree(ft_wwn); |
3699d92a KP |
395 | } |
396 | ||
397 | static ssize_t ft_wwn_show_attr_version( | |
398 | struct target_fabric_configfs *tf, | |
399 | char *page) | |
400 | { | |
401 | return sprintf(page, "TCM FC " FT_VERSION " on %s/%s on " | |
402 | ""UTS_RELEASE"\n", utsname()->sysname, utsname()->machine); | |
403 | } | |
404 | ||
405 | TF_WWN_ATTR_RO(ft, version); | |
406 | ||
407 | static struct configfs_attribute *ft_wwn_attrs[] = { | |
408 | &ft_wwn_version.attr, | |
409 | NULL, | |
410 | }; | |
411 | ||
412 | static char *ft_get_fabric_name(void) | |
413 | { | |
414 | return "fc"; | |
415 | } | |
416 | ||
417 | static char *ft_get_fabric_wwn(struct se_portal_group *se_tpg) | |
418 | { | |
419 | struct ft_tpg *tpg = se_tpg->se_tpg_fabric_ptr; | |
420 | ||
705665da | 421 | return tpg->lport_wwn->name; |
3699d92a KP |
422 | } |
423 | ||
424 | static u16 ft_get_tag(struct se_portal_group *se_tpg) | |
425 | { | |
426 | struct ft_tpg *tpg = se_tpg->se_tpg_fabric_ptr; | |
427 | ||
428 | /* | |
429 | * This tag is used when forming SCSI Name identifier in EVPD=1 0x83 | |
430 | * to represent the SCSI Target Port. | |
431 | */ | |
432 | return tpg->index; | |
433 | } | |
434 | ||
3699d92a KP |
435 | static int ft_check_false(struct se_portal_group *se_tpg) |
436 | { | |
437 | return 0; | |
438 | } | |
439 | ||
440 | static void ft_set_default_node_attr(struct se_node_acl *se_nacl) | |
441 | { | |
442 | } | |
443 | ||
3699d92a KP |
444 | static u32 ft_tpg_get_inst_index(struct se_portal_group *se_tpg) |
445 | { | |
446 | struct ft_tpg *tpg = se_tpg->se_tpg_fabric_ptr; | |
447 | ||
448 | return tpg->index; | |
449 | } | |
450 | ||
9ac8928e CH |
451 | static const struct target_core_fabric_ops ft_fabric_ops = { |
452 | .module = THIS_MODULE, | |
453 | .name = "fc", | |
144bc4c2 | 454 | .node_acl_size = sizeof(struct ft_node_acl), |
3699d92a KP |
455 | .get_fabric_name = ft_get_fabric_name, |
456 | .get_fabric_proto_ident = fc_get_fabric_proto_ident, | |
457 | .tpg_get_wwn = ft_get_fabric_wwn, | |
458 | .tpg_get_tag = ft_get_tag, | |
3699d92a KP |
459 | .tpg_get_pr_transport_id = fc_get_pr_transport_id, |
460 | .tpg_get_pr_transport_id_len = fc_get_pr_transport_id_len, | |
461 | .tpg_parse_pr_out_transport_id = fc_parse_pr_out_transport_id, | |
462 | .tpg_check_demo_mode = ft_check_false, | |
463 | .tpg_check_demo_mode_cache = ft_check_false, | |
464 | .tpg_check_demo_mode_write_protect = ft_check_false, | |
465 | .tpg_check_prod_mode_write_protect = ft_check_false, | |
3699d92a KP |
466 | .tpg_get_inst_index = ft_tpg_get_inst_index, |
467 | .check_stop_free = ft_check_stop_free, | |
35462975 | 468 | .release_cmd = ft_release_cmd, |
3699d92a KP |
469 | .shutdown_session = ft_sess_shutdown, |
470 | .close_session = ft_sess_close, | |
3699d92a KP |
471 | .sess_get_index = ft_sess_get_index, |
472 | .sess_get_initiator_sid = NULL, | |
473 | .write_pending = ft_write_pending, | |
474 | .write_pending_status = ft_write_pending_status, | |
475 | .set_default_node_attributes = ft_set_default_node_attr, | |
476 | .get_task_tag = ft_get_task_tag, | |
477 | .get_cmd_state = ft_get_cmd_state, | |
3699d92a KP |
478 | .queue_data_in = ft_queue_data_in, |
479 | .queue_status = ft_queue_status, | |
480 | .queue_tm_rsp = ft_queue_tm_resp, | |
131e6abc | 481 | .aborted_task = ft_aborted_task, |
3699d92a KP |
482 | /* |
483 | * Setup function pointers for generic logic in | |
484 | * target_core_fabric_configfs.c | |
485 | */ | |
0d7cb932 AG |
486 | .fabric_make_wwn = &ft_add_wwn, |
487 | .fabric_drop_wwn = &ft_del_wwn, | |
3699d92a KP |
488 | .fabric_make_tpg = &ft_add_tpg, |
489 | .fabric_drop_tpg = &ft_del_tpg, | |
c7d6a803 | 490 | .fabric_init_nodeacl = &ft_init_nodeacl, |
3699d92a | 491 | |
9ac8928e CH |
492 | .tfc_wwn_attrs = ft_wwn_attrs, |
493 | .tfc_tpg_nacl_base_attrs = ft_nacl_base_attrs, | |
494 | }; | |
3699d92a KP |
495 | |
496 | static struct notifier_block ft_notifier = { | |
497 | .notifier_call = ft_lport_notify | |
498 | }; | |
499 | ||
500 | static int __init ft_init(void) | |
501 | { | |
9ac8928e CH |
502 | int ret; |
503 | ||
504 | ret = target_register_template(&ft_fabric_ops); | |
505 | if (ret) | |
506 | goto out; | |
507 | ||
508 | ret = fc_fc4_register_provider(FC_TYPE_FCP, &ft_prov); | |
509 | if (ret) | |
510 | goto out_unregister_template; | |
511 | ||
3699d92a KP |
512 | blocking_notifier_chain_register(&fc_lport_notifier_head, &ft_notifier); |
513 | fc_lport_iterate(ft_lport_add, NULL); | |
514 | return 0; | |
9ac8928e CH |
515 | |
516 | out_unregister_template: | |
517 | target_unregister_template(&ft_fabric_ops); | |
518 | out: | |
519 | return ret; | |
3699d92a KP |
520 | } |
521 | ||
522 | static void __exit ft_exit(void) | |
523 | { | |
524 | blocking_notifier_chain_unregister(&fc_lport_notifier_head, | |
525 | &ft_notifier); | |
526 | fc_fc4_deregister_provider(FC_TYPE_FCP, &ft_prov); | |
527 | fc_lport_iterate(ft_lport_del, NULL); | |
9ac8928e | 528 | target_unregister_template(&ft_fabric_ops); |
3699d92a KP |
529 | synchronize_rcu(); |
530 | } | |
531 | ||
3699d92a KP |
532 | MODULE_DESCRIPTION("FC TCM fabric driver " FT_VERSION); |
533 | MODULE_LICENSE("GPL"); | |
534 | module_init(ft_init); | |
535 | module_exit(ft_exit); |