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e48354ce NB |
1 | /******************************************************************************* |
2 | * This file contains the configfs implementation for iSCSI Target mode | |
3 | * from the LIO-Target Project. | |
4 | * | |
4c76251e | 5 | * (c) Copyright 2007-2013 Datera, Inc. |
e48354ce NB |
6 | * |
7 | * Author: Nicholas A. Bellinger <nab@linux-iscsi.org> | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License as published by | |
11 | * the Free Software Foundation; either version 2 of the License, or | |
12 | * (at your option) any later version. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | ****************************************************************************/ | |
19 | ||
20 | #include <linux/configfs.h> | |
ad7babd2 | 21 | #include <linux/ctype.h> |
c53181af | 22 | #include <linux/export.h> |
c3bc93da | 23 | #include <linux/inet.h> |
e48354ce | 24 | #include <target/target_core_base.h> |
c4795fb2 | 25 | #include <target/target_core_fabric.h> |
2ec5a8c1 | 26 | #include <target/iscsi/iscsi_transport.h> |
e48354ce | 27 | |
67f091f2 | 28 | #include <target/iscsi/iscsi_target_core.h> |
e48354ce NB |
29 | #include "iscsi_target_parameters.h" |
30 | #include "iscsi_target_device.h" | |
31 | #include "iscsi_target_erl0.h" | |
32 | #include "iscsi_target_nodeattrib.h" | |
33 | #include "iscsi_target_tpg.h" | |
34 | #include "iscsi_target_util.h" | |
35 | #include "iscsi_target.h" | |
67f091f2 | 36 | #include <target/iscsi/iscsi_target_stat.h> |
e48354ce | 37 | |
e48354ce | 38 | |
e48354ce NB |
39 | /* Start items for lio_target_portal_cit */ |
40 | ||
2eafd729 CH |
41 | static inline struct iscsi_tpg_np *to_iscsi_tpg_np(struct config_item *item) |
42 | { | |
43 | return container_of(to_tpg_np(item), struct iscsi_tpg_np, se_tpg_np); | |
44 | } | |
45 | ||
46 | static ssize_t lio_target_np_sctp_show(struct config_item *item, char *page) | |
e48354ce | 47 | { |
2eafd729 | 48 | struct iscsi_tpg_np *tpg_np = to_iscsi_tpg_np(item); |
e48354ce NB |
49 | struct iscsi_tpg_np *tpg_np_sctp; |
50 | ssize_t rb; | |
51 | ||
52 | tpg_np_sctp = iscsit_tpg_locate_child_np(tpg_np, ISCSI_SCTP_TCP); | |
53 | if (tpg_np_sctp) | |
54 | rb = sprintf(page, "1\n"); | |
55 | else | |
56 | rb = sprintf(page, "0\n"); | |
57 | ||
58 | return rb; | |
59 | } | |
60 | ||
2eafd729 CH |
61 | static ssize_t lio_target_np_sctp_store(struct config_item *item, |
62 | const char *page, size_t count) | |
e48354ce | 63 | { |
2eafd729 | 64 | struct iscsi_tpg_np *tpg_np = to_iscsi_tpg_np(item); |
e48354ce NB |
65 | struct iscsi_np *np; |
66 | struct iscsi_portal_group *tpg; | |
e48354ce | 67 | struct iscsi_tpg_np *tpg_np_sctp = NULL; |
e48354ce NB |
68 | u32 op; |
69 | int ret; | |
70 | ||
ad7babd2 JE |
71 | ret = kstrtou32(page, 0, &op); |
72 | if (ret) | |
73 | return ret; | |
e48354ce NB |
74 | if ((op != 1) && (op != 0)) { |
75 | pr_err("Illegal value for tpg_enable: %u\n", op); | |
76 | return -EINVAL; | |
77 | } | |
78 | np = tpg_np->tpg_np; | |
79 | if (!np) { | |
80 | pr_err("Unable to locate struct iscsi_np from" | |
81 | " struct iscsi_tpg_np\n"); | |
82 | return -EINVAL; | |
83 | } | |
84 | ||
85 | tpg = tpg_np->tpg; | |
86 | if (iscsit_get_tpg(tpg) < 0) | |
87 | return -EINVAL; | |
88 | ||
89 | if (op) { | |
90 | /* | |
91 | * Use existing np->np_sockaddr for SCTP network portal reference | |
92 | */ | |
93 | tpg_np_sctp = iscsit_tpg_add_network_portal(tpg, &np->np_sockaddr, | |
76c28f1f | 94 | tpg_np, ISCSI_SCTP_TCP); |
e48354ce NB |
95 | if (!tpg_np_sctp || IS_ERR(tpg_np_sctp)) |
96 | goto out; | |
97 | } else { | |
98 | tpg_np_sctp = iscsit_tpg_locate_child_np(tpg_np, ISCSI_SCTP_TCP); | |
99 | if (!tpg_np_sctp) | |
100 | goto out; | |
101 | ||
102 | ret = iscsit_tpg_del_network_portal(tpg, tpg_np_sctp); | |
103 | if (ret < 0) | |
104 | goto out; | |
105 | } | |
106 | ||
107 | iscsit_put_tpg(tpg); | |
108 | return count; | |
109 | out: | |
110 | iscsit_put_tpg(tpg); | |
111 | return -EINVAL; | |
112 | } | |
113 | ||
2eafd729 | 114 | static ssize_t lio_target_np_iser_show(struct config_item *item, char *page) |
72438cdd | 115 | { |
2eafd729 | 116 | struct iscsi_tpg_np *tpg_np = to_iscsi_tpg_np(item); |
72438cdd NB |
117 | struct iscsi_tpg_np *tpg_np_iser; |
118 | ssize_t rb; | |
119 | ||
120 | tpg_np_iser = iscsit_tpg_locate_child_np(tpg_np, ISCSI_INFINIBAND); | |
121 | if (tpg_np_iser) | |
122 | rb = sprintf(page, "1\n"); | |
123 | else | |
124 | rb = sprintf(page, "0\n"); | |
125 | ||
126 | return rb; | |
127 | } | |
128 | ||
2eafd729 CH |
129 | static ssize_t lio_target_np_iser_store(struct config_item *item, |
130 | const char *page, size_t count) | |
72438cdd | 131 | { |
2eafd729 | 132 | struct iscsi_tpg_np *tpg_np = to_iscsi_tpg_np(item); |
72438cdd NB |
133 | struct iscsi_np *np; |
134 | struct iscsi_portal_group *tpg; | |
72438cdd NB |
135 | struct iscsi_tpg_np *tpg_np_iser = NULL; |
136 | char *endptr; | |
137 | u32 op; | |
58bd0c69 | 138 | int rc = 0; |
72438cdd NB |
139 | |
140 | op = simple_strtoul(page, &endptr, 0); | |
141 | if ((op != 1) && (op != 0)) { | |
142 | pr_err("Illegal value for tpg_enable: %u\n", op); | |
143 | return -EINVAL; | |
144 | } | |
145 | np = tpg_np->tpg_np; | |
146 | if (!np) { | |
147 | pr_err("Unable to locate struct iscsi_np from" | |
148 | " struct iscsi_tpg_np\n"); | |
149 | return -EINVAL; | |
150 | } | |
151 | ||
152 | tpg = tpg_np->tpg; | |
153 | if (iscsit_get_tpg(tpg) < 0) | |
154 | return -EINVAL; | |
155 | ||
156 | if (op) { | |
58bd0c69 AG |
157 | rc = request_module("ib_isert"); |
158 | if (rc != 0) { | |
72438cdd | 159 | pr_warn("Unable to request_module for ib_isert\n"); |
58bd0c69 AG |
160 | rc = 0; |
161 | } | |
72438cdd NB |
162 | |
163 | tpg_np_iser = iscsit_tpg_add_network_portal(tpg, &np->np_sockaddr, | |
76c28f1f | 164 | tpg_np, ISCSI_INFINIBAND); |
58bd0c69 AG |
165 | if (IS_ERR(tpg_np_iser)) { |
166 | rc = PTR_ERR(tpg_np_iser); | |
72438cdd | 167 | goto out; |
58bd0c69 | 168 | } |
72438cdd NB |
169 | } else { |
170 | tpg_np_iser = iscsit_tpg_locate_child_np(tpg_np, ISCSI_INFINIBAND); | |
58bd0c69 AG |
171 | if (tpg_np_iser) { |
172 | rc = iscsit_tpg_del_network_portal(tpg, tpg_np_iser); | |
173 | if (rc < 0) | |
174 | goto out; | |
175 | } | |
72438cdd NB |
176 | } |
177 | ||
72438cdd NB |
178 | iscsit_put_tpg(tpg); |
179 | return count; | |
180 | out: | |
181 | iscsit_put_tpg(tpg); | |
58bd0c69 | 182 | return rc; |
72438cdd NB |
183 | } |
184 | ||
2eafd729 CH |
185 | CONFIGFS_ATTR(lio_target_np_, sctp); |
186 | CONFIGFS_ATTR(lio_target_np_, iser); | |
72438cdd | 187 | |
e48354ce | 188 | static struct configfs_attribute *lio_target_portal_attrs[] = { |
2eafd729 CH |
189 | &lio_target_np_attr_sctp, |
190 | &lio_target_np_attr_iser, | |
e48354ce NB |
191 | NULL, |
192 | }; | |
193 | ||
194 | /* Stop items for lio_target_portal_cit */ | |
195 | ||
196 | /* Start items for lio_target_np_cit */ | |
197 | ||
198 | #define MAX_PORTAL_LEN 256 | |
199 | ||
fceb5bc7 | 200 | static struct se_tpg_np *lio_target_call_addnptotpg( |
e48354ce NB |
201 | struct se_portal_group *se_tpg, |
202 | struct config_group *group, | |
203 | const char *name) | |
204 | { | |
205 | struct iscsi_portal_group *tpg; | |
206 | struct iscsi_tpg_np *tpg_np; | |
207 | char *str, *str2, *ip_str, *port_str; | |
13a3cf08 | 208 | struct sockaddr_storage sockaddr; |
e48354ce NB |
209 | struct sockaddr_in *sock_in; |
210 | struct sockaddr_in6 *sock_in6; | |
211 | unsigned long port; | |
212 | int ret; | |
213 | char buf[MAX_PORTAL_LEN + 1]; | |
214 | ||
215 | if (strlen(name) > MAX_PORTAL_LEN) { | |
216 | pr_err("strlen(name): %d exceeds MAX_PORTAL_LEN: %d\n", | |
217 | (int)strlen(name), MAX_PORTAL_LEN); | |
218 | return ERR_PTR(-EOVERFLOW); | |
219 | } | |
220 | memset(buf, 0, MAX_PORTAL_LEN + 1); | |
7bbb654e | 221 | snprintf(buf, MAX_PORTAL_LEN + 1, "%s", name); |
e48354ce | 222 | |
13a3cf08 | 223 | memset(&sockaddr, 0, sizeof(struct sockaddr_storage)); |
e48354ce NB |
224 | |
225 | str = strstr(buf, "["); | |
226 | if (str) { | |
227 | const char *end; | |
228 | ||
229 | str2 = strstr(str, "]"); | |
230 | if (!str2) { | |
231 | pr_err("Unable to locate trailing \"]\"" | |
232 | " in IPv6 iSCSI network portal address\n"); | |
233 | return ERR_PTR(-EINVAL); | |
234 | } | |
235 | str++; /* Skip over leading "[" */ | |
76c28f1f AG |
236 | *str2 = '\0'; /* Terminate the unbracketed IPv6 address */ |
237 | str2++; /* Skip over the \0 */ | |
e48354ce NB |
238 | port_str = strstr(str2, ":"); |
239 | if (!port_str) { | |
240 | pr_err("Unable to locate \":port\"" | |
241 | " in IPv6 iSCSI network portal address\n"); | |
242 | return ERR_PTR(-EINVAL); | |
243 | } | |
244 | *port_str = '\0'; /* Terminate string for IP */ | |
245 | port_str++; /* Skip over ":" */ | |
246 | ||
57103d7f | 247 | ret = kstrtoul(port_str, 0, &port); |
e48354ce | 248 | if (ret < 0) { |
57103d7f | 249 | pr_err("kstrtoul() failed for port_str: %d\n", ret); |
e48354ce NB |
250 | return ERR_PTR(ret); |
251 | } | |
252 | sock_in6 = (struct sockaddr_in6 *)&sockaddr; | |
253 | sock_in6->sin6_family = AF_INET6; | |
254 | sock_in6->sin6_port = htons((unsigned short)port); | |
dc58f760 | 255 | ret = in6_pton(str, -1, |
e48354ce NB |
256 | (void *)&sock_in6->sin6_addr.in6_u, -1, &end); |
257 | if (ret <= 0) { | |
258 | pr_err("in6_pton returned: %d\n", ret); | |
259 | return ERR_PTR(-EINVAL); | |
260 | } | |
261 | } else { | |
262 | str = ip_str = &buf[0]; | |
263 | port_str = strstr(ip_str, ":"); | |
264 | if (!port_str) { | |
265 | pr_err("Unable to locate \":port\"" | |
266 | " in IPv4 iSCSI network portal address\n"); | |
267 | return ERR_PTR(-EINVAL); | |
268 | } | |
269 | *port_str = '\0'; /* Terminate string for IP */ | |
270 | port_str++; /* Skip over ":" */ | |
271 | ||
57103d7f | 272 | ret = kstrtoul(port_str, 0, &port); |
e48354ce | 273 | if (ret < 0) { |
57103d7f | 274 | pr_err("kstrtoul() failed for port_str: %d\n", ret); |
e48354ce NB |
275 | return ERR_PTR(ret); |
276 | } | |
277 | sock_in = (struct sockaddr_in *)&sockaddr; | |
278 | sock_in->sin_family = AF_INET; | |
279 | sock_in->sin_port = htons((unsigned short)port); | |
280 | sock_in->sin_addr.s_addr = in_aton(ip_str); | |
281 | } | |
282 | tpg = container_of(se_tpg, struct iscsi_portal_group, tpg_se_tpg); | |
283 | ret = iscsit_get_tpg(tpg); | |
284 | if (ret < 0) | |
285 | return ERR_PTR(-EINVAL); | |
286 | ||
287 | pr_debug("LIO_Target_ConfigFS: REGISTER -> %s TPGT: %hu" | |
288 | " PORTAL: %s\n", | |
289 | config_item_name(&se_tpg->se_tpg_wwn->wwn_group.cg_item), | |
290 | tpg->tpgt, name); | |
291 | /* | |
292 | * Assume ISCSI_TCP by default. Other network portals for other | |
293 | * iSCSI fabrics: | |
294 | * | |
295 | * Traditional iSCSI over SCTP (initial support) | |
296 | * iSER/TCP (TODO, hardware available) | |
297 | * iSER/SCTP (TODO, software emulation with osc-iwarp) | |
298 | * iSER/IB (TODO, hardware available) | |
299 | * | |
20879696 | 300 | * can be enabled with attributes under |
e48354ce NB |
301 | * sys/kernel/config/iscsi/$IQN/$TPG/np/$IP:$PORT/ |
302 | * | |
303 | */ | |
76c28f1f | 304 | tpg_np = iscsit_tpg_add_network_portal(tpg, &sockaddr, NULL, |
e48354ce NB |
305 | ISCSI_TCP); |
306 | if (IS_ERR(tpg_np)) { | |
307 | iscsit_put_tpg(tpg); | |
e1750ba2 | 308 | return ERR_CAST(tpg_np); |
e48354ce NB |
309 | } |
310 | pr_debug("LIO_Target_ConfigFS: addnptotpg done!\n"); | |
311 | ||
312 | iscsit_put_tpg(tpg); | |
313 | return &tpg_np->se_tpg_np; | |
314 | } | |
315 | ||
316 | static void lio_target_call_delnpfromtpg( | |
317 | struct se_tpg_np *se_tpg_np) | |
318 | { | |
319 | struct iscsi_portal_group *tpg; | |
320 | struct iscsi_tpg_np *tpg_np; | |
321 | struct se_portal_group *se_tpg; | |
322 | int ret; | |
323 | ||
324 | tpg_np = container_of(se_tpg_np, struct iscsi_tpg_np, se_tpg_np); | |
325 | tpg = tpg_np->tpg; | |
326 | ret = iscsit_get_tpg(tpg); | |
327 | if (ret < 0) | |
328 | return; | |
329 | ||
330 | se_tpg = &tpg->tpg_se_tpg; | |
331 | pr_debug("LIO_Target_ConfigFS: DEREGISTER -> %s TPGT: %hu" | |
69d75574 AG |
332 | " PORTAL: %pISpc\n", config_item_name(&se_tpg->se_tpg_wwn->wwn_group.cg_item), |
333 | tpg->tpgt, &tpg_np->tpg_np->np_sockaddr); | |
e48354ce NB |
334 | |
335 | ret = iscsit_tpg_del_network_portal(tpg, tpg_np); | |
336 | if (ret < 0) | |
337 | goto out; | |
338 | ||
339 | pr_debug("LIO_Target_ConfigFS: delnpfromtpg done!\n"); | |
340 | out: | |
341 | iscsit_put_tpg(tpg); | |
342 | } | |
343 | ||
344 | /* End items for lio_target_np_cit */ | |
345 | ||
346 | /* Start items for lio_target_nacl_attrib_cit */ | |
347 | ||
2eafd729 CH |
348 | #define ISCSI_NACL_ATTR(name) \ |
349 | static ssize_t iscsi_nacl_attrib_##name##_show(struct config_item *item,\ | |
350 | char *page) \ | |
e48354ce | 351 | { \ |
2eafd729 | 352 | struct se_node_acl *se_nacl = attrib_to_nacl(item); \ |
e48354ce NB |
353 | struct iscsi_node_acl *nacl = container_of(se_nacl, struct iscsi_node_acl, \ |
354 | se_node_acl); \ | |
355 | \ | |
b7eec2cd | 356 | return sprintf(page, "%u\n", nacl->node_attrib.name); \ |
e48354ce NB |
357 | } \ |
358 | \ | |
2eafd729 CH |
359 | static ssize_t iscsi_nacl_attrib_##name##_store(struct config_item *item,\ |
360 | const char *page, size_t count) \ | |
e48354ce | 361 | { \ |
2eafd729 | 362 | struct se_node_acl *se_nacl = attrib_to_nacl(item); \ |
e48354ce NB |
363 | struct iscsi_node_acl *nacl = container_of(se_nacl, struct iscsi_node_acl, \ |
364 | se_node_acl); \ | |
e48354ce NB |
365 | u32 val; \ |
366 | int ret; \ | |
367 | \ | |
ad7babd2 JE |
368 | ret = kstrtou32(page, 0, &val); \ |
369 | if (ret) \ | |
370 | return ret; \ | |
e48354ce NB |
371 | ret = iscsit_na_##name(nacl, val); \ |
372 | if (ret < 0) \ | |
373 | return ret; \ | |
374 | \ | |
375 | return count; \ | |
2eafd729 CH |
376 | } \ |
377 | \ | |
378 | CONFIGFS_ATTR(iscsi_nacl_attrib_, name) | |
e48354ce | 379 | |
2eafd729 CH |
380 | ISCSI_NACL_ATTR(dataout_timeout); |
381 | ISCSI_NACL_ATTR(dataout_timeout_retries); | |
382 | ISCSI_NACL_ATTR(default_erl); | |
383 | ISCSI_NACL_ATTR(nopin_timeout); | |
384 | ISCSI_NACL_ATTR(nopin_response_timeout); | |
385 | ISCSI_NACL_ATTR(random_datain_pdu_offsets); | |
386 | ISCSI_NACL_ATTR(random_datain_seq_offsets); | |
387 | ISCSI_NACL_ATTR(random_r2t_offsets); | |
e48354ce NB |
388 | |
389 | static struct configfs_attribute *lio_target_nacl_attrib_attrs[] = { | |
2eafd729 CH |
390 | &iscsi_nacl_attrib_attr_dataout_timeout, |
391 | &iscsi_nacl_attrib_attr_dataout_timeout_retries, | |
392 | &iscsi_nacl_attrib_attr_default_erl, | |
393 | &iscsi_nacl_attrib_attr_nopin_timeout, | |
394 | &iscsi_nacl_attrib_attr_nopin_response_timeout, | |
395 | &iscsi_nacl_attrib_attr_random_datain_pdu_offsets, | |
396 | &iscsi_nacl_attrib_attr_random_datain_seq_offsets, | |
397 | &iscsi_nacl_attrib_attr_random_r2t_offsets, | |
e48354ce NB |
398 | NULL, |
399 | }; | |
400 | ||
401 | /* End items for lio_target_nacl_attrib_cit */ | |
402 | ||
403 | /* Start items for lio_target_nacl_auth_cit */ | |
404 | ||
405 | #define __DEF_NACL_AUTH_STR(prefix, name, flags) \ | |
2eafd729 | 406 | static ssize_t __iscsi_##prefix##_##name##_show( \ |
e48354ce NB |
407 | struct iscsi_node_acl *nacl, \ |
408 | char *page) \ | |
409 | { \ | |
410 | struct iscsi_node_auth *auth = &nacl->node_auth; \ | |
411 | \ | |
412 | if (!capable(CAP_SYS_ADMIN)) \ | |
413 | return -EPERM; \ | |
414 | return snprintf(page, PAGE_SIZE, "%s\n", auth->name); \ | |
415 | } \ | |
416 | \ | |
2eafd729 | 417 | static ssize_t __iscsi_##prefix##_##name##_store( \ |
e48354ce NB |
418 | struct iscsi_node_acl *nacl, \ |
419 | const char *page, \ | |
420 | size_t count) \ | |
421 | { \ | |
422 | struct iscsi_node_auth *auth = &nacl->node_auth; \ | |
423 | \ | |
424 | if (!capable(CAP_SYS_ADMIN)) \ | |
425 | return -EPERM; \ | |
2306bfb2 ES |
426 | if (count >= sizeof(auth->name)) \ |
427 | return -EINVAL; \ | |
0fbfc46f | 428 | snprintf(auth->name, sizeof(auth->name), "%s", page); \ |
e48354ce NB |
429 | if (!strncmp("NULL", auth->name, 4)) \ |
430 | auth->naf_flags &= ~flags; \ | |
431 | else \ | |
432 | auth->naf_flags |= flags; \ | |
433 | \ | |
434 | if ((auth->naf_flags & NAF_USERID_IN_SET) && \ | |
435 | (auth->naf_flags & NAF_PASSWORD_IN_SET)) \ | |
436 | auth->authenticate_target = 1; \ | |
437 | else \ | |
438 | auth->authenticate_target = 0; \ | |
439 | \ | |
440 | return count; \ | |
441 | } | |
442 | ||
2eafd729 CH |
443 | #define DEF_NACL_AUTH_STR(name, flags) \ |
444 | __DEF_NACL_AUTH_STR(nacl_auth, name, flags) \ | |
445 | static ssize_t iscsi_nacl_auth_##name##_show(struct config_item *item, \ | |
446 | char *page) \ | |
447 | { \ | |
448 | struct se_node_acl *nacl = auth_to_nacl(item); \ | |
449 | return __iscsi_nacl_auth_##name##_show(container_of(nacl, \ | |
450 | struct iscsi_node_acl, se_node_acl), page); \ | |
451 | } \ | |
452 | static ssize_t iscsi_nacl_auth_##name##_store(struct config_item *item, \ | |
453 | const char *page, size_t count) \ | |
454 | { \ | |
455 | struct se_node_acl *nacl = auth_to_nacl(item); \ | |
456 | return __iscsi_nacl_auth_##name##_store(container_of(nacl, \ | |
457 | struct iscsi_node_acl, se_node_acl), page, count); \ | |
458 | } \ | |
459 | \ | |
460 | CONFIGFS_ATTR(iscsi_nacl_auth_, name) | |
461 | ||
462 | /* | |
463 | * One-way authentication userid | |
464 | */ | |
465 | DEF_NACL_AUTH_STR(userid, NAF_USERID_SET); | |
466 | DEF_NACL_AUTH_STR(password, NAF_PASSWORD_SET); | |
467 | DEF_NACL_AUTH_STR(userid_mutual, NAF_USERID_IN_SET); | |
468 | DEF_NACL_AUTH_STR(password_mutual, NAF_PASSWORD_IN_SET); | |
469 | ||
e48354ce | 470 | #define __DEF_NACL_AUTH_INT(prefix, name) \ |
2eafd729 | 471 | static ssize_t __iscsi_##prefix##_##name##_show( \ |
e48354ce NB |
472 | struct iscsi_node_acl *nacl, \ |
473 | char *page) \ | |
474 | { \ | |
475 | struct iscsi_node_auth *auth = &nacl->node_auth; \ | |
476 | \ | |
477 | if (!capable(CAP_SYS_ADMIN)) \ | |
478 | return -EPERM; \ | |
479 | \ | |
480 | return snprintf(page, PAGE_SIZE, "%d\n", auth->name); \ | |
481 | } | |
482 | ||
e48354ce NB |
483 | #define DEF_NACL_AUTH_INT(name) \ |
484 | __DEF_NACL_AUTH_INT(nacl_auth, name) \ | |
2eafd729 CH |
485 | static ssize_t iscsi_nacl_auth_##name##_show(struct config_item *item, \ |
486 | char *page) \ | |
e48354ce | 487 | { \ |
2eafd729 CH |
488 | struct se_node_acl *nacl = auth_to_nacl(item); \ |
489 | return __iscsi_nacl_auth_##name##_show(container_of(nacl, \ | |
490 | struct iscsi_node_acl, se_node_acl), page); \ | |
491 | } \ | |
492 | \ | |
493 | CONFIGFS_ATTR_RO(iscsi_nacl_auth_, name) | |
e48354ce | 494 | |
e48354ce | 495 | DEF_NACL_AUTH_INT(authenticate_target); |
e48354ce NB |
496 | |
497 | static struct configfs_attribute *lio_target_nacl_auth_attrs[] = { | |
2eafd729 CH |
498 | &iscsi_nacl_auth_attr_userid, |
499 | &iscsi_nacl_auth_attr_password, | |
500 | &iscsi_nacl_auth_attr_authenticate_target, | |
501 | &iscsi_nacl_auth_attr_userid_mutual, | |
502 | &iscsi_nacl_auth_attr_password_mutual, | |
e48354ce NB |
503 | NULL, |
504 | }; | |
505 | ||
506 | /* End items for lio_target_nacl_auth_cit */ | |
507 | ||
508 | /* Start items for lio_target_nacl_param_cit */ | |
509 | ||
2eafd729 CH |
510 | #define ISCSI_NACL_PARAM(name) \ |
511 | static ssize_t iscsi_nacl_param_##name##_show(struct config_item *item, \ | |
512 | char *page) \ | |
e48354ce | 513 | { \ |
2eafd729 | 514 | struct se_node_acl *se_nacl = param_to_nacl(item); \ |
e48354ce NB |
515 | struct iscsi_session *sess; \ |
516 | struct se_session *se_sess; \ | |
517 | ssize_t rb; \ | |
518 | \ | |
519 | spin_lock_bh(&se_nacl->nacl_sess_lock); \ | |
520 | se_sess = se_nacl->nacl_sess; \ | |
521 | if (!se_sess) { \ | |
522 | rb = snprintf(page, PAGE_SIZE, \ | |
523 | "No Active iSCSI Session\n"); \ | |
524 | } else { \ | |
525 | sess = se_sess->fabric_sess_ptr; \ | |
526 | rb = snprintf(page, PAGE_SIZE, "%u\n", \ | |
527 | (u32)sess->sess_ops->name); \ | |
528 | } \ | |
529 | spin_unlock_bh(&se_nacl->nacl_sess_lock); \ | |
530 | \ | |
531 | return rb; \ | |
2eafd729 CH |
532 | } \ |
533 | \ | |
534 | CONFIGFS_ATTR_RO(iscsi_nacl_param_, name) | |
535 | ||
536 | ISCSI_NACL_PARAM(MaxConnections); | |
537 | ISCSI_NACL_PARAM(InitialR2T); | |
538 | ISCSI_NACL_PARAM(ImmediateData); | |
539 | ISCSI_NACL_PARAM(MaxBurstLength); | |
540 | ISCSI_NACL_PARAM(FirstBurstLength); | |
541 | ISCSI_NACL_PARAM(DefaultTime2Wait); | |
542 | ISCSI_NACL_PARAM(DefaultTime2Retain); | |
543 | ISCSI_NACL_PARAM(MaxOutstandingR2T); | |
544 | ISCSI_NACL_PARAM(DataPDUInOrder); | |
545 | ISCSI_NACL_PARAM(DataSequenceInOrder); | |
546 | ISCSI_NACL_PARAM(ErrorRecoveryLevel); | |
e48354ce NB |
547 | |
548 | static struct configfs_attribute *lio_target_nacl_param_attrs[] = { | |
2eafd729 CH |
549 | &iscsi_nacl_param_attr_MaxConnections, |
550 | &iscsi_nacl_param_attr_InitialR2T, | |
551 | &iscsi_nacl_param_attr_ImmediateData, | |
552 | &iscsi_nacl_param_attr_MaxBurstLength, | |
553 | &iscsi_nacl_param_attr_FirstBurstLength, | |
554 | &iscsi_nacl_param_attr_DefaultTime2Wait, | |
555 | &iscsi_nacl_param_attr_DefaultTime2Retain, | |
556 | &iscsi_nacl_param_attr_MaxOutstandingR2T, | |
557 | &iscsi_nacl_param_attr_DataPDUInOrder, | |
558 | &iscsi_nacl_param_attr_DataSequenceInOrder, | |
559 | &iscsi_nacl_param_attr_ErrorRecoveryLevel, | |
e48354ce NB |
560 | NULL, |
561 | }; | |
562 | ||
563 | /* End items for lio_target_nacl_param_cit */ | |
564 | ||
565 | /* Start items for lio_target_acl_cit */ | |
566 | ||
2eafd729 | 567 | static ssize_t lio_target_nacl_info_show(struct config_item *item, char *page) |
e48354ce | 568 | { |
2eafd729 | 569 | struct se_node_acl *se_nacl = acl_to_nacl(item); |
e48354ce NB |
570 | struct iscsi_session *sess; |
571 | struct iscsi_conn *conn; | |
572 | struct se_session *se_sess; | |
573 | ssize_t rb = 0; | |
109e2381 | 574 | u32 max_cmd_sn; |
e48354ce NB |
575 | |
576 | spin_lock_bh(&se_nacl->nacl_sess_lock); | |
577 | se_sess = se_nacl->nacl_sess; | |
578 | if (!se_sess) { | |
579 | rb += sprintf(page+rb, "No active iSCSI Session for Initiator" | |
580 | " Endpoint: %s\n", se_nacl->initiatorname); | |
581 | } else { | |
582 | sess = se_sess->fabric_sess_ptr; | |
583 | ||
cb354842 JE |
584 | rb += sprintf(page+rb, "InitiatorName: %s\n", |
585 | sess->sess_ops->InitiatorName); | |
586 | rb += sprintf(page+rb, "InitiatorAlias: %s\n", | |
587 | sess->sess_ops->InitiatorAlias); | |
e48354ce | 588 | |
5cdf5a87 AS |
589 | rb += sprintf(page+rb, |
590 | "LIO Session ID: %u ISID: 0x%6ph TSIH: %hu ", | |
591 | sess->sid, sess->isid, sess->tsih); | |
e48354ce NB |
592 | rb += sprintf(page+rb, "SessionType: %s\n", |
593 | (sess->sess_ops->SessionType) ? | |
594 | "Discovery" : "Normal"); | |
595 | rb += sprintf(page+rb, "Session State: "); | |
596 | switch (sess->session_state) { | |
597 | case TARG_SESS_STATE_FREE: | |
598 | rb += sprintf(page+rb, "TARG_SESS_FREE\n"); | |
599 | break; | |
600 | case TARG_SESS_STATE_ACTIVE: | |
601 | rb += sprintf(page+rb, "TARG_SESS_STATE_ACTIVE\n"); | |
602 | break; | |
603 | case TARG_SESS_STATE_LOGGED_IN: | |
604 | rb += sprintf(page+rb, "TARG_SESS_STATE_LOGGED_IN\n"); | |
605 | break; | |
606 | case TARG_SESS_STATE_FAILED: | |
607 | rb += sprintf(page+rb, "TARG_SESS_STATE_FAILED\n"); | |
608 | break; | |
609 | case TARG_SESS_STATE_IN_CONTINUE: | |
610 | rb += sprintf(page+rb, "TARG_SESS_STATE_IN_CONTINUE\n"); | |
611 | break; | |
612 | default: | |
613 | rb += sprintf(page+rb, "ERROR: Unknown Session" | |
614 | " State!\n"); | |
615 | break; | |
616 | } | |
617 | ||
618 | rb += sprintf(page+rb, "---------------------[iSCSI Session" | |
619 | " Values]-----------------------\n"); | |
620 | rb += sprintf(page+rb, " CmdSN/WR : CmdSN/WC : ExpCmdSN" | |
621 | " : MaxCmdSN : ITT : TTT\n"); | |
109e2381 | 622 | max_cmd_sn = (u32) atomic_read(&sess->max_cmd_sn); |
e48354ce NB |
623 | rb += sprintf(page+rb, " 0x%08x 0x%08x 0x%08x 0x%08x" |
624 | " 0x%08x 0x%08x\n", | |
625 | sess->cmdsn_window, | |
109e2381 RD |
626 | (max_cmd_sn - sess->exp_cmd_sn) + 1, |
627 | sess->exp_cmd_sn, max_cmd_sn, | |
e48354ce NB |
628 | sess->init_task_tag, sess->targ_xfer_tag); |
629 | rb += sprintf(page+rb, "----------------------[iSCSI" | |
630 | " Connections]-------------------------\n"); | |
631 | ||
632 | spin_lock(&sess->conn_lock); | |
633 | list_for_each_entry(conn, &sess->sess_conn_list, conn_list) { | |
634 | rb += sprintf(page+rb, "CID: %hu Connection" | |
635 | " State: ", conn->cid); | |
636 | switch (conn->conn_state) { | |
637 | case TARG_CONN_STATE_FREE: | |
638 | rb += sprintf(page+rb, | |
639 | "TARG_CONN_STATE_FREE\n"); | |
640 | break; | |
641 | case TARG_CONN_STATE_XPT_UP: | |
642 | rb += sprintf(page+rb, | |
643 | "TARG_CONN_STATE_XPT_UP\n"); | |
644 | break; | |
645 | case TARG_CONN_STATE_IN_LOGIN: | |
646 | rb += sprintf(page+rb, | |
647 | "TARG_CONN_STATE_IN_LOGIN\n"); | |
648 | break; | |
649 | case TARG_CONN_STATE_LOGGED_IN: | |
650 | rb += sprintf(page+rb, | |
651 | "TARG_CONN_STATE_LOGGED_IN\n"); | |
652 | break; | |
653 | case TARG_CONN_STATE_IN_LOGOUT: | |
654 | rb += sprintf(page+rb, | |
655 | "TARG_CONN_STATE_IN_LOGOUT\n"); | |
656 | break; | |
657 | case TARG_CONN_STATE_LOGOUT_REQUESTED: | |
658 | rb += sprintf(page+rb, | |
659 | "TARG_CONN_STATE_LOGOUT_REQUESTED\n"); | |
660 | break; | |
661 | case TARG_CONN_STATE_CLEANUP_WAIT: | |
662 | rb += sprintf(page+rb, | |
663 | "TARG_CONN_STATE_CLEANUP_WAIT\n"); | |
664 | break; | |
665 | default: | |
666 | rb += sprintf(page+rb, | |
667 | "ERROR: Unknown Connection State!\n"); | |
668 | break; | |
669 | } | |
670 | ||
dc58f760 | 671 | rb += sprintf(page+rb, " Address %pISc %s", &conn->login_sockaddr, |
e48354ce NB |
672 | (conn->network_transport == ISCSI_TCP) ? |
673 | "TCP" : "SCTP"); | |
674 | rb += sprintf(page+rb, " StatSN: 0x%08x\n", | |
675 | conn->stat_sn); | |
676 | } | |
677 | spin_unlock(&sess->conn_lock); | |
678 | } | |
679 | spin_unlock_bh(&se_nacl->nacl_sess_lock); | |
680 | ||
681 | return rb; | |
682 | } | |
683 | ||
2eafd729 CH |
684 | static ssize_t lio_target_nacl_cmdsn_depth_show(struct config_item *item, |
685 | char *page) | |
e48354ce | 686 | { |
2eafd729 | 687 | return sprintf(page, "%u\n", acl_to_nacl(item)->queue_depth); |
e48354ce NB |
688 | } |
689 | ||
2eafd729 CH |
690 | static ssize_t lio_target_nacl_cmdsn_depth_store(struct config_item *item, |
691 | const char *page, size_t count) | |
e48354ce | 692 | { |
2eafd729 | 693 | struct se_node_acl *se_nacl = acl_to_nacl(item); |
e48354ce NB |
694 | struct se_portal_group *se_tpg = se_nacl->se_tpg; |
695 | struct iscsi_portal_group *tpg = container_of(se_tpg, | |
696 | struct iscsi_portal_group, tpg_se_tpg); | |
697 | struct config_item *acl_ci, *tpg_ci, *wwn_ci; | |
e48354ce NB |
698 | u32 cmdsn_depth = 0; |
699 | int ret; | |
700 | ||
ad7babd2 JE |
701 | ret = kstrtou32(page, 0, &cmdsn_depth); |
702 | if (ret) | |
703 | return ret; | |
e48354ce NB |
704 | if (cmdsn_depth > TA_DEFAULT_CMDSN_DEPTH_MAX) { |
705 | pr_err("Passed cmdsn_depth: %u exceeds" | |
706 | " TA_DEFAULT_CMDSN_DEPTH_MAX: %u\n", cmdsn_depth, | |
707 | TA_DEFAULT_CMDSN_DEPTH_MAX); | |
708 | return -EINVAL; | |
709 | } | |
710 | acl_ci = &se_nacl->acl_group.cg_item; | |
711 | if (!acl_ci) { | |
712 | pr_err("Unable to locatel acl_ci\n"); | |
713 | return -EINVAL; | |
714 | } | |
715 | tpg_ci = &acl_ci->ci_parent->ci_group->cg_item; | |
716 | if (!tpg_ci) { | |
717 | pr_err("Unable to locate tpg_ci\n"); | |
718 | return -EINVAL; | |
719 | } | |
720 | wwn_ci = &tpg_ci->ci_group->cg_item; | |
721 | if (!wwn_ci) { | |
722 | pr_err("Unable to locate config_item wwn_ci\n"); | |
723 | return -EINVAL; | |
724 | } | |
725 | ||
726 | if (iscsit_get_tpg(tpg) < 0) | |
727 | return -EINVAL; | |
728 | /* | |
729 | * iscsit_tpg_set_initiator_node_queue_depth() assumes force=1 | |
730 | */ | |
731 | ret = iscsit_tpg_set_initiator_node_queue_depth(tpg, | |
732 | config_item_name(acl_ci), cmdsn_depth, 1); | |
733 | ||
734 | pr_debug("LIO_Target_ConfigFS: %s/%s Set CmdSN Window: %u for" | |
735 | "InitiatorName: %s\n", config_item_name(wwn_ci), | |
736 | config_item_name(tpg_ci), cmdsn_depth, | |
737 | config_item_name(acl_ci)); | |
738 | ||
739 | iscsit_put_tpg(tpg); | |
740 | return (!ret) ? count : (ssize_t)ret; | |
741 | } | |
742 | ||
2eafd729 | 743 | static ssize_t lio_target_nacl_tag_show(struct config_item *item, char *page) |
79e62fc3 | 744 | { |
2eafd729 | 745 | return snprintf(page, PAGE_SIZE, "%s", acl_to_nacl(item)->acl_tag); |
79e62fc3 AG |
746 | } |
747 | ||
2eafd729 CH |
748 | static ssize_t lio_target_nacl_tag_store(struct config_item *item, |
749 | const char *page, size_t count) | |
79e62fc3 | 750 | { |
2eafd729 | 751 | struct se_node_acl *se_nacl = acl_to_nacl(item); |
79e62fc3 AG |
752 | int ret; |
753 | ||
754 | ret = core_tpg_set_initiator_node_tag(se_nacl->se_tpg, se_nacl, page); | |
755 | ||
756 | if (ret < 0) | |
757 | return ret; | |
758 | return count; | |
759 | } | |
760 | ||
2eafd729 CH |
761 | CONFIGFS_ATTR_RO(lio_target_nacl_, info); |
762 | CONFIGFS_ATTR(lio_target_nacl_, cmdsn_depth); | |
763 | CONFIGFS_ATTR(lio_target_nacl_, tag); | |
79e62fc3 | 764 | |
e48354ce | 765 | static struct configfs_attribute *lio_target_initiator_attrs[] = { |
2eafd729 CH |
766 | &lio_target_nacl_attr_info, |
767 | &lio_target_nacl_attr_cmdsn_depth, | |
768 | &lio_target_nacl_attr_tag, | |
e48354ce NB |
769 | NULL, |
770 | }; | |
771 | ||
c7d6a803 CH |
772 | static int lio_target_init_nodeacl(struct se_node_acl *se_nacl, |
773 | const char *name) | |
e48354ce | 774 | { |
c7d6a803 CH |
775 | struct iscsi_node_acl *acl = |
776 | container_of(se_nacl, struct iscsi_node_acl, se_node_acl); | |
777 | struct config_group *stats_cg = &se_nacl->acl_fabric_stat_group; | |
e48354ce | 778 | |
13f6a914 | 779 | stats_cg->default_groups = kmalloc(sizeof(struct config_group *) * 2, |
e48354ce NB |
780 | GFP_KERNEL); |
781 | if (!stats_cg->default_groups) { | |
782 | pr_err("Unable to allocate memory for" | |
783 | " stats_cg->default_groups\n"); | |
c7d6a803 | 784 | return -ENOMEM; |
e48354ce NB |
785 | } |
786 | ||
b7eec2cd | 787 | stats_cg->default_groups[0] = &acl->node_stat_grps.iscsi_sess_stats_group; |
e48354ce | 788 | stats_cg->default_groups[1] = NULL; |
b7eec2cd | 789 | config_group_init_type_name(&acl->node_stat_grps.iscsi_sess_stats_group, |
e48354ce NB |
790 | "iscsi_sess_stats", &iscsi_stat_sess_cit); |
791 | ||
c7d6a803 | 792 | return 0; |
e48354ce NB |
793 | } |
794 | ||
c7d6a803 | 795 | static void lio_target_cleanup_nodeacl( struct se_node_acl *se_nacl) |
e48354ce | 796 | { |
e48354ce NB |
797 | struct iscsi_node_acl *acl = container_of(se_nacl, |
798 | struct iscsi_node_acl, se_node_acl); | |
799 | struct config_item *df_item; | |
800 | struct config_group *stats_cg; | |
801 | int i; | |
802 | ||
803 | stats_cg = &acl->se_node_acl.acl_fabric_stat_group; | |
804 | for (i = 0; stats_cg->default_groups[i]; i++) { | |
805 | df_item = &stats_cg->default_groups[i]->cg_item; | |
806 | stats_cg->default_groups[i] = NULL; | |
807 | config_item_put(df_item); | |
808 | } | |
809 | kfree(stats_cg->default_groups); | |
e48354ce NB |
810 | } |
811 | ||
812 | /* End items for lio_target_acl_cit */ | |
813 | ||
814 | /* Start items for lio_target_tpg_attrib_cit */ | |
815 | ||
816 | #define DEF_TPG_ATTRIB(name) \ | |
817 | \ | |
2eafd729 CH |
818 | static ssize_t iscsi_tpg_attrib_##name##_show(struct config_item *item, \ |
819 | char *page) \ | |
e48354ce | 820 | { \ |
2eafd729 | 821 | struct se_portal_group *se_tpg = attrib_to_tpg(item); \ |
e48354ce NB |
822 | struct iscsi_portal_group *tpg = container_of(se_tpg, \ |
823 | struct iscsi_portal_group, tpg_se_tpg); \ | |
824 | ssize_t rb; \ | |
825 | \ | |
826 | if (iscsit_get_tpg(tpg) < 0) \ | |
827 | return -EINVAL; \ | |
828 | \ | |
b7eec2cd | 829 | rb = sprintf(page, "%u\n", tpg->tpg_attrib.name); \ |
e48354ce NB |
830 | iscsit_put_tpg(tpg); \ |
831 | return rb; \ | |
832 | } \ | |
833 | \ | |
2eafd729 CH |
834 | static ssize_t iscsi_tpg_attrib_##name##_store(struct config_item *item,\ |
835 | const char *page, size_t count) \ | |
e48354ce | 836 | { \ |
2eafd729 | 837 | struct se_portal_group *se_tpg = attrib_to_tpg(item); \ |
e48354ce NB |
838 | struct iscsi_portal_group *tpg = container_of(se_tpg, \ |
839 | struct iscsi_portal_group, tpg_se_tpg); \ | |
e48354ce NB |
840 | u32 val; \ |
841 | int ret; \ | |
842 | \ | |
843 | if (iscsit_get_tpg(tpg) < 0) \ | |
844 | return -EINVAL; \ | |
845 | \ | |
ad7babd2 JE |
846 | ret = kstrtou32(page, 0, &val); \ |
847 | if (ret) \ | |
848 | goto out; \ | |
e48354ce NB |
849 | ret = iscsit_ta_##name(tpg, val); \ |
850 | if (ret < 0) \ | |
851 | goto out; \ | |
852 | \ | |
853 | iscsit_put_tpg(tpg); \ | |
854 | return count; \ | |
855 | out: \ | |
856 | iscsit_put_tpg(tpg); \ | |
857 | return ret; \ | |
2eafd729 CH |
858 | } \ |
859 | CONFIGFS_ATTR(iscsi_tpg_attrib_, name) | |
e48354ce | 860 | |
e48354ce | 861 | DEF_TPG_ATTRIB(authentication); |
e48354ce | 862 | DEF_TPG_ATTRIB(login_timeout); |
e48354ce | 863 | DEF_TPG_ATTRIB(netif_timeout); |
e48354ce | 864 | DEF_TPG_ATTRIB(generate_node_acls); |
e48354ce | 865 | DEF_TPG_ATTRIB(default_cmdsn_depth); |
e48354ce | 866 | DEF_TPG_ATTRIB(cache_dynamic_acls); |
e48354ce | 867 | DEF_TPG_ATTRIB(demo_mode_write_protect); |
e48354ce | 868 | DEF_TPG_ATTRIB(prod_mode_write_protect); |
4c54b6cf | 869 | DEF_TPG_ATTRIB(demo_mode_discovery); |
d1fa7a1d | 870 | DEF_TPG_ATTRIB(default_erl); |
8085176f | 871 | DEF_TPG_ATTRIB(t10_pi); |
901c04a3 | 872 | DEF_TPG_ATTRIB(fabric_prot_type); |
a6415cdd | 873 | DEF_TPG_ATTRIB(tpg_enabled_sendtargets); |
e48354ce NB |
874 | |
875 | static struct configfs_attribute *lio_target_tpg_attrib_attrs[] = { | |
2eafd729 CH |
876 | &iscsi_tpg_attrib_attr_authentication, |
877 | &iscsi_tpg_attrib_attr_login_timeout, | |
878 | &iscsi_tpg_attrib_attr_netif_timeout, | |
879 | &iscsi_tpg_attrib_attr_generate_node_acls, | |
880 | &iscsi_tpg_attrib_attr_default_cmdsn_depth, | |
881 | &iscsi_tpg_attrib_attr_cache_dynamic_acls, | |
882 | &iscsi_tpg_attrib_attr_demo_mode_write_protect, | |
883 | &iscsi_tpg_attrib_attr_prod_mode_write_protect, | |
884 | &iscsi_tpg_attrib_attr_demo_mode_discovery, | |
885 | &iscsi_tpg_attrib_attr_default_erl, | |
886 | &iscsi_tpg_attrib_attr_t10_pi, | |
887 | &iscsi_tpg_attrib_attr_fabric_prot_type, | |
888 | &iscsi_tpg_attrib_attr_tpg_enabled_sendtargets, | |
e48354ce NB |
889 | NULL, |
890 | }; | |
891 | ||
892 | /* End items for lio_target_tpg_attrib_cit */ | |
893 | ||
c3e51442 NB |
894 | /* Start items for lio_target_tpg_auth_cit */ |
895 | ||
896 | #define __DEF_TPG_AUTH_STR(prefix, name, flags) \ | |
2eafd729 CH |
897 | static ssize_t __iscsi_##prefix##_##name##_show(struct se_portal_group *se_tpg, \ |
898 | char *page) \ | |
c3e51442 NB |
899 | { \ |
900 | struct iscsi_portal_group *tpg = container_of(se_tpg, \ | |
901 | struct iscsi_portal_group, tpg_se_tpg); \ | |
902 | struct iscsi_node_auth *auth = &tpg->tpg_demo_auth; \ | |
903 | \ | |
904 | if (!capable(CAP_SYS_ADMIN)) \ | |
905 | return -EPERM; \ | |
906 | \ | |
907 | return snprintf(page, PAGE_SIZE, "%s\n", auth->name); \ | |
908 | } \ | |
909 | \ | |
2eafd729 CH |
910 | static ssize_t __iscsi_##prefix##_##name##_store(struct se_portal_group *se_tpg,\ |
911 | const char *page, size_t count) \ | |
c3e51442 NB |
912 | { \ |
913 | struct iscsi_portal_group *tpg = container_of(se_tpg, \ | |
914 | struct iscsi_portal_group, tpg_se_tpg); \ | |
915 | struct iscsi_node_auth *auth = &tpg->tpg_demo_auth; \ | |
916 | \ | |
917 | if (!capable(CAP_SYS_ADMIN)) \ | |
918 | return -EPERM; \ | |
919 | \ | |
37b32c6f | 920 | snprintf(auth->name, sizeof(auth->name), "%s", page); \ |
c3e51442 NB |
921 | if (!(strncmp("NULL", auth->name, 4))) \ |
922 | auth->naf_flags &= ~flags; \ | |
923 | else \ | |
924 | auth->naf_flags |= flags; \ | |
925 | \ | |
926 | if ((auth->naf_flags & NAF_USERID_IN_SET) && \ | |
927 | (auth->naf_flags & NAF_PASSWORD_IN_SET)) \ | |
928 | auth->authenticate_target = 1; \ | |
929 | else \ | |
930 | auth->authenticate_target = 0; \ | |
931 | \ | |
932 | return count; \ | |
933 | } | |
934 | ||
2eafd729 CH |
935 | #define DEF_TPG_AUTH_STR(name, flags) \ |
936 | __DEF_TPG_AUTH_STR(tpg_auth, name, flags) \ | |
937 | static ssize_t iscsi_tpg_auth_##name##_show(struct config_item *item, \ | |
938 | char *page) \ | |
939 | { \ | |
940 | return __iscsi_tpg_auth_##name##_show(auth_to_tpg(item), page); \ | |
941 | } \ | |
942 | \ | |
943 | static ssize_t iscsi_tpg_auth_##name##_store(struct config_item *item, \ | |
944 | const char *page, size_t count) \ | |
945 | { \ | |
946 | return __iscsi_tpg_auth_##name##_store(auth_to_tpg(item), page, count); \ | |
947 | } \ | |
948 | \ | |
949 | CONFIGFS_ATTR(iscsi_tpg_auth_, name); | |
950 | ||
951 | ||
952 | DEF_TPG_AUTH_STR(userid, NAF_USERID_SET); | |
953 | DEF_TPG_AUTH_STR(password, NAF_PASSWORD_SET); | |
954 | DEF_TPG_AUTH_STR(userid_mutual, NAF_USERID_IN_SET); | |
955 | DEF_TPG_AUTH_STR(password_mutual, NAF_PASSWORD_IN_SET); | |
956 | ||
c3e51442 | 957 | #define __DEF_TPG_AUTH_INT(prefix, name) \ |
2eafd729 CH |
958 | static ssize_t __iscsi_##prefix##_##name##_show(struct se_portal_group *se_tpg, \ |
959 | char *page) \ | |
c3e51442 NB |
960 | { \ |
961 | struct iscsi_portal_group *tpg = container_of(se_tpg, \ | |
962 | struct iscsi_portal_group, tpg_se_tpg); \ | |
963 | struct iscsi_node_auth *auth = &tpg->tpg_demo_auth; \ | |
964 | \ | |
965 | if (!capable(CAP_SYS_ADMIN)) \ | |
966 | return -EPERM; \ | |
967 | \ | |
968 | return snprintf(page, PAGE_SIZE, "%d\n", auth->name); \ | |
969 | } | |
970 | ||
c3e51442 NB |
971 | #define DEF_TPG_AUTH_INT(name) \ |
972 | __DEF_TPG_AUTH_INT(tpg_auth, name) \ | |
2eafd729 CH |
973 | static ssize_t iscsi_tpg_auth_##name##_show(struct config_item *item, \ |
974 | char *page) \ | |
c3e51442 | 975 | { \ |
2eafd729 CH |
976 | return __iscsi_tpg_auth_##name##_show(auth_to_tpg(item), page); \ |
977 | } \ | |
978 | CONFIGFS_ATTR_RO(iscsi_tpg_auth_, name); | |
c3e51442 | 979 | |
c3e51442 | 980 | DEF_TPG_AUTH_INT(authenticate_target); |
c3e51442 NB |
981 | |
982 | static struct configfs_attribute *lio_target_tpg_auth_attrs[] = { | |
2eafd729 CH |
983 | &iscsi_tpg_auth_attr_userid, |
984 | &iscsi_tpg_auth_attr_password, | |
985 | &iscsi_tpg_auth_attr_authenticate_target, | |
986 | &iscsi_tpg_auth_attr_userid_mutual, | |
987 | &iscsi_tpg_auth_attr_password_mutual, | |
c3e51442 NB |
988 | NULL, |
989 | }; | |
990 | ||
991 | /* End items for lio_target_tpg_auth_cit */ | |
992 | ||
e48354ce NB |
993 | /* Start items for lio_target_tpg_param_cit */ |
994 | ||
995 | #define DEF_TPG_PARAM(name) \ | |
2eafd729 CH |
996 | static ssize_t iscsi_tpg_param_##name##_show(struct config_item *item, \ |
997 | char *page) \ | |
e48354ce | 998 | { \ |
2eafd729 | 999 | struct se_portal_group *se_tpg = param_to_tpg(item); \ |
e48354ce NB |
1000 | struct iscsi_portal_group *tpg = container_of(se_tpg, \ |
1001 | struct iscsi_portal_group, tpg_se_tpg); \ | |
1002 | struct iscsi_param *param; \ | |
1003 | ssize_t rb; \ | |
1004 | \ | |
1005 | if (iscsit_get_tpg(tpg) < 0) \ | |
1006 | return -EINVAL; \ | |
1007 | \ | |
1008 | param = iscsi_find_param_from_key(__stringify(name), \ | |
1009 | tpg->param_list); \ | |
1010 | if (!param) { \ | |
1011 | iscsit_put_tpg(tpg); \ | |
1012 | return -EINVAL; \ | |
1013 | } \ | |
1014 | rb = snprintf(page, PAGE_SIZE, "%s\n", param->value); \ | |
1015 | \ | |
1016 | iscsit_put_tpg(tpg); \ | |
1017 | return rb; \ | |
1018 | } \ | |
2eafd729 CH |
1019 | static ssize_t iscsi_tpg_param_##name##_store(struct config_item *item, \ |
1020 | const char *page, size_t count) \ | |
e48354ce | 1021 | { \ |
2eafd729 | 1022 | struct se_portal_group *se_tpg = param_to_tpg(item); \ |
e48354ce NB |
1023 | struct iscsi_portal_group *tpg = container_of(se_tpg, \ |
1024 | struct iscsi_portal_group, tpg_se_tpg); \ | |
1025 | char *buf; \ | |
ad7babd2 | 1026 | int ret, len; \ |
e48354ce NB |
1027 | \ |
1028 | buf = kzalloc(PAGE_SIZE, GFP_KERNEL); \ | |
1029 | if (!buf) \ | |
1030 | return -ENOMEM; \ | |
ad7babd2 JE |
1031 | len = snprintf(buf, PAGE_SIZE, "%s=%s", __stringify(name), page); \ |
1032 | if (isspace(buf[len-1])) \ | |
1033 | buf[len-1] = '\0'; /* Kill newline */ \ | |
e48354ce NB |
1034 | \ |
1035 | if (iscsit_get_tpg(tpg) < 0) { \ | |
1036 | kfree(buf); \ | |
1037 | return -EINVAL; \ | |
1038 | } \ | |
1039 | \ | |
1040 | ret = iscsi_change_param_value(buf, tpg->param_list, 1); \ | |
1041 | if (ret < 0) \ | |
1042 | goto out; \ | |
1043 | \ | |
1044 | kfree(buf); \ | |
1045 | iscsit_put_tpg(tpg); \ | |
1046 | return count; \ | |
1047 | out: \ | |
1048 | kfree(buf); \ | |
1049 | iscsit_put_tpg(tpg); \ | |
2eafd729 CH |
1050 | return -EINVAL; \ |
1051 | } \ | |
1052 | CONFIGFS_ATTR(iscsi_tpg_param_, name) | |
e48354ce NB |
1053 | |
1054 | DEF_TPG_PARAM(AuthMethod); | |
e48354ce | 1055 | DEF_TPG_PARAM(HeaderDigest); |
e48354ce | 1056 | DEF_TPG_PARAM(DataDigest); |
e48354ce | 1057 | DEF_TPG_PARAM(MaxConnections); |
e48354ce | 1058 | DEF_TPG_PARAM(TargetAlias); |
e48354ce | 1059 | DEF_TPG_PARAM(InitialR2T); |
e48354ce | 1060 | DEF_TPG_PARAM(ImmediateData); |
e48354ce | 1061 | DEF_TPG_PARAM(MaxRecvDataSegmentLength); |
e004cb25 | 1062 | DEF_TPG_PARAM(MaxXmitDataSegmentLength); |
e48354ce | 1063 | DEF_TPG_PARAM(MaxBurstLength); |
e48354ce | 1064 | DEF_TPG_PARAM(FirstBurstLength); |
e48354ce | 1065 | DEF_TPG_PARAM(DefaultTime2Wait); |
e48354ce | 1066 | DEF_TPG_PARAM(DefaultTime2Retain); |
e48354ce | 1067 | DEF_TPG_PARAM(MaxOutstandingR2T); |
e48354ce | 1068 | DEF_TPG_PARAM(DataPDUInOrder); |
e48354ce | 1069 | DEF_TPG_PARAM(DataSequenceInOrder); |
e48354ce | 1070 | DEF_TPG_PARAM(ErrorRecoveryLevel); |
e48354ce | 1071 | DEF_TPG_PARAM(IFMarker); |
e48354ce | 1072 | DEF_TPG_PARAM(OFMarker); |
e48354ce | 1073 | DEF_TPG_PARAM(IFMarkInt); |
e48354ce | 1074 | DEF_TPG_PARAM(OFMarkInt); |
e48354ce NB |
1075 | |
1076 | static struct configfs_attribute *lio_target_tpg_param_attrs[] = { | |
2eafd729 CH |
1077 | &iscsi_tpg_param_attr_AuthMethod, |
1078 | &iscsi_tpg_param_attr_HeaderDigest, | |
1079 | &iscsi_tpg_param_attr_DataDigest, | |
1080 | &iscsi_tpg_param_attr_MaxConnections, | |
1081 | &iscsi_tpg_param_attr_TargetAlias, | |
1082 | &iscsi_tpg_param_attr_InitialR2T, | |
1083 | &iscsi_tpg_param_attr_ImmediateData, | |
1084 | &iscsi_tpg_param_attr_MaxRecvDataSegmentLength, | |
1085 | &iscsi_tpg_param_attr_MaxXmitDataSegmentLength, | |
1086 | &iscsi_tpg_param_attr_MaxBurstLength, | |
1087 | &iscsi_tpg_param_attr_FirstBurstLength, | |
1088 | &iscsi_tpg_param_attr_DefaultTime2Wait, | |
1089 | &iscsi_tpg_param_attr_DefaultTime2Retain, | |
1090 | &iscsi_tpg_param_attr_MaxOutstandingR2T, | |
1091 | &iscsi_tpg_param_attr_DataPDUInOrder, | |
1092 | &iscsi_tpg_param_attr_DataSequenceInOrder, | |
1093 | &iscsi_tpg_param_attr_ErrorRecoveryLevel, | |
1094 | &iscsi_tpg_param_attr_IFMarker, | |
1095 | &iscsi_tpg_param_attr_OFMarker, | |
1096 | &iscsi_tpg_param_attr_IFMarkInt, | |
1097 | &iscsi_tpg_param_attr_OFMarkInt, | |
e48354ce NB |
1098 | NULL, |
1099 | }; | |
1100 | ||
1101 | /* End items for lio_target_tpg_param_cit */ | |
1102 | ||
1103 | /* Start items for lio_target_tpg_cit */ | |
1104 | ||
2eafd729 | 1105 | static ssize_t lio_target_tpg_enable_show(struct config_item *item, char *page) |
e48354ce | 1106 | { |
2eafd729 | 1107 | struct se_portal_group *se_tpg = to_tpg(item); |
e48354ce NB |
1108 | struct iscsi_portal_group *tpg = container_of(se_tpg, |
1109 | struct iscsi_portal_group, tpg_se_tpg); | |
1110 | ssize_t len; | |
1111 | ||
1112 | spin_lock(&tpg->tpg_state_lock); | |
1113 | len = sprintf(page, "%d\n", | |
1114 | (tpg->tpg_state == TPG_STATE_ACTIVE) ? 1 : 0); | |
1115 | spin_unlock(&tpg->tpg_state_lock); | |
1116 | ||
1117 | return len; | |
1118 | } | |
1119 | ||
2eafd729 CH |
1120 | static ssize_t lio_target_tpg_enable_store(struct config_item *item, |
1121 | const char *page, size_t count) | |
e48354ce | 1122 | { |
2eafd729 | 1123 | struct se_portal_group *se_tpg = to_tpg(item); |
e48354ce NB |
1124 | struct iscsi_portal_group *tpg = container_of(se_tpg, |
1125 | struct iscsi_portal_group, tpg_se_tpg); | |
e48354ce | 1126 | u32 op; |
ad7babd2 | 1127 | int ret; |
e48354ce | 1128 | |
ad7babd2 JE |
1129 | ret = kstrtou32(page, 0, &op); |
1130 | if (ret) | |
1131 | return ret; | |
e48354ce NB |
1132 | if ((op != 1) && (op != 0)) { |
1133 | pr_err("Illegal value for tpg_enable: %u\n", op); | |
1134 | return -EINVAL; | |
1135 | } | |
1136 | ||
1137 | ret = iscsit_get_tpg(tpg); | |
1138 | if (ret < 0) | |
1139 | return -EINVAL; | |
1140 | ||
1141 | if (op) { | |
1142 | ret = iscsit_tpg_enable_portal_group(tpg); | |
1143 | if (ret < 0) | |
1144 | goto out; | |
1145 | } else { | |
1146 | /* | |
1147 | * iscsit_tpg_disable_portal_group() assumes force=1 | |
1148 | */ | |
1149 | ret = iscsit_tpg_disable_portal_group(tpg, 1); | |
1150 | if (ret < 0) | |
1151 | goto out; | |
1152 | } | |
1153 | ||
1154 | iscsit_put_tpg(tpg); | |
1155 | return count; | |
1156 | out: | |
1157 | iscsit_put_tpg(tpg); | |
1158 | return -EINVAL; | |
1159 | } | |
1160 | ||
e48354ce | 1161 | |
2eafd729 CH |
1162 | static ssize_t lio_target_tpg_dynamic_sessions_show(struct config_item *item, |
1163 | char *page) | |
d4ee46ff | 1164 | { |
2eafd729 | 1165 | return target_show_dynamic_sessions(to_tpg(item), page); |
d4ee46ff NB |
1166 | } |
1167 | ||
2eafd729 CH |
1168 | CONFIGFS_ATTR(lio_target_tpg_, enable); |
1169 | CONFIGFS_ATTR_RO(lio_target_tpg_, dynamic_sessions); | |
d4ee46ff | 1170 | |
e48354ce | 1171 | static struct configfs_attribute *lio_target_tpg_attrs[] = { |
2eafd729 CH |
1172 | &lio_target_tpg_attr_enable, |
1173 | &lio_target_tpg_attr_dynamic_sessions, | |
e48354ce NB |
1174 | NULL, |
1175 | }; | |
1176 | ||
1177 | /* End items for lio_target_tpg_cit */ | |
1178 | ||
1179 | /* Start items for lio_target_tiqn_cit */ | |
1180 | ||
fceb5bc7 | 1181 | static struct se_portal_group *lio_target_tiqn_addtpg( |
e48354ce NB |
1182 | struct se_wwn *wwn, |
1183 | struct config_group *group, | |
1184 | const char *name) | |
1185 | { | |
1186 | struct iscsi_portal_group *tpg; | |
1187 | struct iscsi_tiqn *tiqn; | |
ad7babd2 JE |
1188 | char *tpgt_str; |
1189 | int ret; | |
1190 | u16 tpgt; | |
e48354ce NB |
1191 | |
1192 | tiqn = container_of(wwn, struct iscsi_tiqn, tiqn_wwn); | |
1193 | /* | |
1194 | * Only tpgt_# directory groups can be created below | |
1195 | * target/iscsi/iqn.superturodiskarry/ | |
ad7babd2 | 1196 | */ |
e48354ce NB |
1197 | tpgt_str = strstr(name, "tpgt_"); |
1198 | if (!tpgt_str) { | |
1199 | pr_err("Unable to locate \"tpgt_#\" directory" | |
1200 | " group\n"); | |
1201 | return NULL; | |
1202 | } | |
1203 | tpgt_str += 5; /* Skip ahead of "tpgt_" */ | |
ad7babd2 JE |
1204 | ret = kstrtou16(tpgt_str, 0, &tpgt); |
1205 | if (ret) | |
1206 | return NULL; | |
e48354ce NB |
1207 | |
1208 | tpg = iscsit_alloc_portal_group(tiqn, tpgt); | |
1209 | if (!tpg) | |
1210 | return NULL; | |
1211 | ||
bc0c94b1 | 1212 | ret = core_tpg_register(wwn, &tpg->tpg_se_tpg, SCSI_PROTOCOL_ISCSI); |
e48354ce NB |
1213 | if (ret < 0) |
1214 | return NULL; | |
1215 | ||
1216 | ret = iscsit_tpg_add_portal_group(tiqn, tpg); | |
1217 | if (ret != 0) | |
1218 | goto out; | |
1219 | ||
1220 | pr_debug("LIO_Target_ConfigFS: REGISTER -> %s\n", tiqn->tiqn); | |
1221 | pr_debug("LIO_Target_ConfigFS: REGISTER -> Allocated TPG: %s\n", | |
1222 | name); | |
1223 | return &tpg->tpg_se_tpg; | |
1224 | out: | |
1225 | core_tpg_deregister(&tpg->tpg_se_tpg); | |
1226 | kfree(tpg); | |
1227 | return NULL; | |
1228 | } | |
1229 | ||
fceb5bc7 | 1230 | static void lio_target_tiqn_deltpg(struct se_portal_group *se_tpg) |
e48354ce NB |
1231 | { |
1232 | struct iscsi_portal_group *tpg; | |
1233 | struct iscsi_tiqn *tiqn; | |
1234 | ||
1235 | tpg = container_of(se_tpg, struct iscsi_portal_group, tpg_se_tpg); | |
1236 | tiqn = tpg->tpg_tiqn; | |
1237 | /* | |
1238 | * iscsit_tpg_del_portal_group() assumes force=1 | |
1239 | */ | |
1240 | pr_debug("LIO_Target_ConfigFS: DEREGISTER -> Releasing TPG\n"); | |
1241 | iscsit_tpg_del_portal_group(tiqn, tpg, 1); | |
1242 | } | |
1243 | ||
1244 | /* End items for lio_target_tiqn_cit */ | |
1245 | ||
1246 | /* Start LIO-Target TIQN struct contig_item lio_target_cit */ | |
1247 | ||
2eafd729 CH |
1248 | static ssize_t lio_target_wwn_lio_version_show(struct config_item *item, |
1249 | char *page) | |
e48354ce | 1250 | { |
4c76251e | 1251 | return sprintf(page, "Datera Inc. iSCSI Target "ISCSIT_VERSION"\n"); |
e48354ce NB |
1252 | } |
1253 | ||
2eafd729 | 1254 | CONFIGFS_ATTR_RO(lio_target_wwn_, lio_version); |
e48354ce NB |
1255 | |
1256 | static struct configfs_attribute *lio_target_wwn_attrs[] = { | |
2eafd729 | 1257 | &lio_target_wwn_attr_lio_version, |
e48354ce NB |
1258 | NULL, |
1259 | }; | |
1260 | ||
fceb5bc7 | 1261 | static struct se_wwn *lio_target_call_coreaddtiqn( |
e48354ce NB |
1262 | struct target_fabric_configfs *tf, |
1263 | struct config_group *group, | |
1264 | const char *name) | |
1265 | { | |
1266 | struct config_group *stats_cg; | |
1267 | struct iscsi_tiqn *tiqn; | |
1268 | ||
1269 | tiqn = iscsit_add_tiqn((unsigned char *)name); | |
1270 | if (IS_ERR(tiqn)) | |
e1750ba2 | 1271 | return ERR_CAST(tiqn); |
e48354ce NB |
1272 | /* |
1273 | * Setup struct iscsi_wwn_stat_grps for se_wwn->fabric_stat_group. | |
1274 | */ | |
1275 | stats_cg = &tiqn->tiqn_wwn.fabric_stat_group; | |
1276 | ||
13f6a914 | 1277 | stats_cg->default_groups = kmalloc(sizeof(struct config_group *) * 6, |
e48354ce NB |
1278 | GFP_KERNEL); |
1279 | if (!stats_cg->default_groups) { | |
1280 | pr_err("Unable to allocate memory for" | |
1281 | " stats_cg->default_groups\n"); | |
1282 | iscsit_del_tiqn(tiqn); | |
1283 | return ERR_PTR(-ENOMEM); | |
1284 | } | |
1285 | ||
b7eec2cd AG |
1286 | stats_cg->default_groups[0] = &tiqn->tiqn_stat_grps.iscsi_instance_group; |
1287 | stats_cg->default_groups[1] = &tiqn->tiqn_stat_grps.iscsi_sess_err_group; | |
1288 | stats_cg->default_groups[2] = &tiqn->tiqn_stat_grps.iscsi_tgt_attr_group; | |
1289 | stats_cg->default_groups[3] = &tiqn->tiqn_stat_grps.iscsi_login_stats_group; | |
1290 | stats_cg->default_groups[4] = &tiqn->tiqn_stat_grps.iscsi_logout_stats_group; | |
e48354ce | 1291 | stats_cg->default_groups[5] = NULL; |
b7eec2cd | 1292 | config_group_init_type_name(&tiqn->tiqn_stat_grps.iscsi_instance_group, |
e48354ce | 1293 | "iscsi_instance", &iscsi_stat_instance_cit); |
b7eec2cd | 1294 | config_group_init_type_name(&tiqn->tiqn_stat_grps.iscsi_sess_err_group, |
e48354ce | 1295 | "iscsi_sess_err", &iscsi_stat_sess_err_cit); |
b7eec2cd | 1296 | config_group_init_type_name(&tiqn->tiqn_stat_grps.iscsi_tgt_attr_group, |
e48354ce | 1297 | "iscsi_tgt_attr", &iscsi_stat_tgt_attr_cit); |
b7eec2cd | 1298 | config_group_init_type_name(&tiqn->tiqn_stat_grps.iscsi_login_stats_group, |
e48354ce | 1299 | "iscsi_login_stats", &iscsi_stat_login_cit); |
b7eec2cd | 1300 | config_group_init_type_name(&tiqn->tiqn_stat_grps.iscsi_logout_stats_group, |
e48354ce NB |
1301 | "iscsi_logout_stats", &iscsi_stat_logout_cit); |
1302 | ||
1303 | pr_debug("LIO_Target_ConfigFS: REGISTER -> %s\n", tiqn->tiqn); | |
1304 | pr_debug("LIO_Target_ConfigFS: REGISTER -> Allocated Node:" | |
1305 | " %s\n", name); | |
1306 | return &tiqn->tiqn_wwn; | |
1307 | } | |
1308 | ||
fceb5bc7 | 1309 | static void lio_target_call_coredeltiqn( |
e48354ce NB |
1310 | struct se_wwn *wwn) |
1311 | { | |
1312 | struct iscsi_tiqn *tiqn = container_of(wwn, struct iscsi_tiqn, tiqn_wwn); | |
1313 | struct config_item *df_item; | |
1314 | struct config_group *stats_cg; | |
1315 | int i; | |
1316 | ||
1317 | stats_cg = &tiqn->tiqn_wwn.fabric_stat_group; | |
1318 | for (i = 0; stats_cg->default_groups[i]; i++) { | |
1319 | df_item = &stats_cg->default_groups[i]->cg_item; | |
1320 | stats_cg->default_groups[i] = NULL; | |
1321 | config_item_put(df_item); | |
1322 | } | |
1323 | kfree(stats_cg->default_groups); | |
1324 | ||
1325 | pr_debug("LIO_Target_ConfigFS: DEREGISTER -> %s\n", | |
1326 | tiqn->tiqn); | |
1327 | iscsit_del_tiqn(tiqn); | |
1328 | } | |
1329 | ||
1330 | /* End LIO-Target TIQN struct contig_lio_target_cit */ | |
1331 | ||
1332 | /* Start lio_target_discovery_auth_cit */ | |
1333 | ||
1334 | #define DEF_DISC_AUTH_STR(name, flags) \ | |
1335 | __DEF_NACL_AUTH_STR(disc, name, flags) \ | |
2eafd729 | 1336 | static ssize_t iscsi_disc_##name##_show(struct config_item *item, char *page) \ |
e48354ce | 1337 | { \ |
2eafd729 | 1338 | return __iscsi_disc_##name##_show(&iscsit_global->discovery_acl,\ |
e48354ce NB |
1339 | page); \ |
1340 | } \ | |
2eafd729 CH |
1341 | static ssize_t iscsi_disc_##name##_store(struct config_item *item, \ |
1342 | const char *page, size_t count) \ | |
e48354ce | 1343 | { \ |
2eafd729 | 1344 | return __iscsi_disc_##name##_store(&iscsit_global->discovery_acl, \ |
e48354ce | 1345 | page, count); \ |
2eafd729 CH |
1346 | \ |
1347 | } \ | |
1348 | CONFIGFS_ATTR(iscsi_disc_, name) | |
1349 | ||
1350 | DEF_DISC_AUTH_STR(userid, NAF_USERID_SET); | |
1351 | DEF_DISC_AUTH_STR(password, NAF_PASSWORD_SET); | |
1352 | DEF_DISC_AUTH_STR(userid_mutual, NAF_USERID_IN_SET); | |
1353 | DEF_DISC_AUTH_STR(password_mutual, NAF_PASSWORD_IN_SET); | |
e48354ce NB |
1354 | |
1355 | #define DEF_DISC_AUTH_INT(name) \ | |
1356 | __DEF_NACL_AUTH_INT(disc, name) \ | |
2eafd729 | 1357 | static ssize_t iscsi_disc_##name##_show(struct config_item *item, char *page) \ |
e48354ce | 1358 | { \ |
2eafd729 | 1359 | return __iscsi_disc_##name##_show(&iscsit_global->discovery_acl, \ |
e48354ce | 1360 | page); \ |
2eafd729 CH |
1361 | } \ |
1362 | CONFIGFS_ATTR_RO(iscsi_disc_, name) | |
e48354ce | 1363 | |
e48354ce | 1364 | DEF_DISC_AUTH_INT(authenticate_target); |
e48354ce | 1365 | |
2eafd729 CH |
1366 | |
1367 | static ssize_t iscsi_disc_enforce_discovery_auth_show(struct config_item *item, | |
1368 | char *page) | |
e48354ce NB |
1369 | { |
1370 | struct iscsi_node_auth *discovery_auth = &iscsit_global->discovery_acl.node_auth; | |
1371 | ||
1372 | return sprintf(page, "%d\n", discovery_auth->enforce_discovery_auth); | |
1373 | } | |
1374 | ||
2eafd729 CH |
1375 | static ssize_t iscsi_disc_enforce_discovery_auth_store(struct config_item *item, |
1376 | const char *page, size_t count) | |
e48354ce NB |
1377 | { |
1378 | struct iscsi_param *param; | |
1379 | struct iscsi_portal_group *discovery_tpg = iscsit_global->discovery_tpg; | |
e48354ce | 1380 | u32 op; |
ad7babd2 | 1381 | int err; |
e48354ce | 1382 | |
ad7babd2 JE |
1383 | err = kstrtou32(page, 0, &op); |
1384 | if (err) | |
1385 | return -EINVAL; | |
e48354ce NB |
1386 | if ((op != 1) && (op != 0)) { |
1387 | pr_err("Illegal value for enforce_discovery_auth:" | |
1388 | " %u\n", op); | |
1389 | return -EINVAL; | |
1390 | } | |
1391 | ||
1392 | if (!discovery_tpg) { | |
1393 | pr_err("iscsit_global->discovery_tpg is NULL\n"); | |
1394 | return -EINVAL; | |
1395 | } | |
1396 | ||
1397 | param = iscsi_find_param_from_key(AUTHMETHOD, | |
1398 | discovery_tpg->param_list); | |
1399 | if (!param) | |
1400 | return -EINVAL; | |
1401 | ||
1402 | if (op) { | |
1403 | /* | |
1404 | * Reset the AuthMethod key to CHAP. | |
1405 | */ | |
1406 | if (iscsi_update_param_value(param, CHAP) < 0) | |
1407 | return -EINVAL; | |
1408 | ||
1409 | discovery_tpg->tpg_attrib.authentication = 1; | |
1410 | iscsit_global->discovery_acl.node_auth.enforce_discovery_auth = 1; | |
1411 | pr_debug("LIO-CORE[0] Successfully enabled" | |
1412 | " authentication enforcement for iSCSI" | |
1413 | " Discovery TPG\n"); | |
1414 | } else { | |
1415 | /* | |
1416 | * Reset the AuthMethod key to CHAP,None | |
1417 | */ | |
1418 | if (iscsi_update_param_value(param, "CHAP,None") < 0) | |
1419 | return -EINVAL; | |
1420 | ||
1421 | discovery_tpg->tpg_attrib.authentication = 0; | |
1422 | iscsit_global->discovery_acl.node_auth.enforce_discovery_auth = 0; | |
1423 | pr_debug("LIO-CORE[0] Successfully disabled" | |
1424 | " authentication enforcement for iSCSI" | |
1425 | " Discovery TPG\n"); | |
1426 | } | |
1427 | ||
1428 | return count; | |
1429 | } | |
1430 | ||
2eafd729 | 1431 | CONFIGFS_ATTR(iscsi_disc_, enforce_discovery_auth); |
e48354ce NB |
1432 | |
1433 | static struct configfs_attribute *lio_target_discovery_auth_attrs[] = { | |
2eafd729 CH |
1434 | &iscsi_disc_attr_userid, |
1435 | &iscsi_disc_attr_password, | |
1436 | &iscsi_disc_attr_authenticate_target, | |
1437 | &iscsi_disc_attr_userid_mutual, | |
1438 | &iscsi_disc_attr_password_mutual, | |
1439 | &iscsi_disc_attr_enforce_discovery_auth, | |
e48354ce NB |
1440 | NULL, |
1441 | }; | |
1442 | ||
1443 | /* End lio_target_discovery_auth_cit */ | |
1444 | ||
1445 | /* Start functions for target_core_fabric_ops */ | |
1446 | ||
1447 | static char *iscsi_get_fabric_name(void) | |
1448 | { | |
1449 | return "iSCSI"; | |
1450 | } | |
1451 | ||
e48354ce NB |
1452 | static int iscsi_get_cmd_state(struct se_cmd *se_cmd) |
1453 | { | |
1454 | struct iscsi_cmd *cmd = container_of(se_cmd, struct iscsi_cmd, se_cmd); | |
1455 | ||
1456 | return cmd->i_state; | |
1457 | } | |
1458 | ||
e48354ce NB |
1459 | static u32 lio_sess_get_index(struct se_session *se_sess) |
1460 | { | |
1461 | struct iscsi_session *sess = se_sess->fabric_sess_ptr; | |
1462 | ||
1463 | return sess->session_index; | |
1464 | } | |
1465 | ||
1466 | static u32 lio_sess_get_initiator_sid( | |
1467 | struct se_session *se_sess, | |
1468 | unsigned char *buf, | |
1469 | u32 size) | |
1470 | { | |
1471 | struct iscsi_session *sess = se_sess->fabric_sess_ptr; | |
1472 | /* | |
1473 | * iSCSI Initiator Session Identifier from RFC-3720. | |
1474 | */ | |
5cdf5a87 | 1475 | return snprintf(buf, size, "%6phN", sess->isid); |
e48354ce NB |
1476 | } |
1477 | ||
1478 | static int lio_queue_data_in(struct se_cmd *se_cmd) | |
1479 | { | |
1480 | struct iscsi_cmd *cmd = container_of(se_cmd, struct iscsi_cmd, se_cmd); | |
1481 | ||
1482 | cmd->i_state = ISTATE_SEND_DATAIN; | |
2ec5a8c1 NB |
1483 | cmd->conn->conn_transport->iscsit_queue_data_in(cmd->conn, cmd); |
1484 | ||
e48354ce NB |
1485 | return 0; |
1486 | } | |
1487 | ||
1488 | static int lio_write_pending(struct se_cmd *se_cmd) | |
1489 | { | |
1490 | struct iscsi_cmd *cmd = container_of(se_cmd, struct iscsi_cmd, se_cmd); | |
3e1c81a9 | 1491 | struct iscsi_conn *conn = cmd->conn; |
e48354ce NB |
1492 | |
1493 | if (!cmd->immediate_data && !cmd->unsolicited_data) | |
3e1c81a9 | 1494 | return conn->conn_transport->iscsit_get_dataout(conn, cmd, false); |
e48354ce NB |
1495 | |
1496 | return 0; | |
1497 | } | |
1498 | ||
1499 | static int lio_write_pending_status(struct se_cmd *se_cmd) | |
1500 | { | |
1501 | struct iscsi_cmd *cmd = container_of(se_cmd, struct iscsi_cmd, se_cmd); | |
1502 | int ret; | |
1503 | ||
1504 | spin_lock_bh(&cmd->istate_lock); | |
1505 | ret = !(cmd->cmd_flags & ICF_GOT_LAST_DATAOUT); | |
1506 | spin_unlock_bh(&cmd->istate_lock); | |
1507 | ||
1508 | return ret; | |
1509 | } | |
1510 | ||
1511 | static int lio_queue_status(struct se_cmd *se_cmd) | |
1512 | { | |
1513 | struct iscsi_cmd *cmd = container_of(se_cmd, struct iscsi_cmd, se_cmd); | |
1514 | ||
1515 | cmd->i_state = ISTATE_SEND_STATUS; | |
5e8e6b4b NB |
1516 | |
1517 | if (cmd->se_cmd.scsi_status || cmd->sense_reason) { | |
1518 | iscsit_add_cmd_to_response_queue(cmd, cmd->conn, cmd->i_state); | |
1519 | return 0; | |
1520 | } | |
2ec5a8c1 NB |
1521 | cmd->conn->conn_transport->iscsit_queue_status(cmd->conn, cmd); |
1522 | ||
e48354ce NB |
1523 | return 0; |
1524 | } | |
1525 | ||
b79fafac | 1526 | static void lio_queue_tm_rsp(struct se_cmd *se_cmd) |
e48354ce NB |
1527 | { |
1528 | struct iscsi_cmd *cmd = container_of(se_cmd, struct iscsi_cmd, se_cmd); | |
1529 | ||
1530 | cmd->i_state = ISTATE_SEND_TASKMGTRSP; | |
1531 | iscsit_add_cmd_to_response_queue(cmd, cmd->conn, cmd->i_state); | |
e48354ce NB |
1532 | } |
1533 | ||
131e6abc NB |
1534 | static void lio_aborted_task(struct se_cmd *se_cmd) |
1535 | { | |
1536 | struct iscsi_cmd *cmd = container_of(se_cmd, struct iscsi_cmd, se_cmd); | |
1537 | ||
1538 | cmd->conn->conn_transport->iscsit_aborted_task(cmd->conn, cmd); | |
1539 | } | |
1540 | ||
2b6eb609 | 1541 | static inline struct iscsi_portal_group *iscsi_tpg(struct se_portal_group *se_tpg) |
e48354ce | 1542 | { |
2b6eb609 CH |
1543 | return container_of(se_tpg, struct iscsi_portal_group, tpg_se_tpg); |
1544 | } | |
e48354ce | 1545 | |
2b6eb609 CH |
1546 | static char *lio_tpg_get_endpoint_wwn(struct se_portal_group *se_tpg) |
1547 | { | |
1548 | return iscsi_tpg(se_tpg)->tpg_tiqn->tiqn; | |
e48354ce NB |
1549 | } |
1550 | ||
1551 | static u16 lio_tpg_get_tag(struct se_portal_group *se_tpg) | |
1552 | { | |
2b6eb609 | 1553 | return iscsi_tpg(se_tpg)->tpgt; |
e48354ce NB |
1554 | } |
1555 | ||
1556 | static u32 lio_tpg_get_default_depth(struct se_portal_group *se_tpg) | |
1557 | { | |
2b6eb609 | 1558 | return iscsi_tpg(se_tpg)->tpg_attrib.default_cmdsn_depth; |
e48354ce NB |
1559 | } |
1560 | ||
1561 | static int lio_tpg_check_demo_mode(struct se_portal_group *se_tpg) | |
1562 | { | |
2b6eb609 | 1563 | return iscsi_tpg(se_tpg)->tpg_attrib.generate_node_acls; |
e48354ce NB |
1564 | } |
1565 | ||
1566 | static int lio_tpg_check_demo_mode_cache(struct se_portal_group *se_tpg) | |
1567 | { | |
2b6eb609 | 1568 | return iscsi_tpg(se_tpg)->tpg_attrib.cache_dynamic_acls; |
e48354ce NB |
1569 | } |
1570 | ||
1571 | static int lio_tpg_check_demo_mode_write_protect( | |
1572 | struct se_portal_group *se_tpg) | |
1573 | { | |
2b6eb609 | 1574 | return iscsi_tpg(se_tpg)->tpg_attrib.demo_mode_write_protect; |
e48354ce NB |
1575 | } |
1576 | ||
1577 | static int lio_tpg_check_prod_mode_write_protect( | |
1578 | struct se_portal_group *se_tpg) | |
1579 | { | |
2b6eb609 | 1580 | return iscsi_tpg(se_tpg)->tpg_attrib.prod_mode_write_protect; |
e48354ce NB |
1581 | } |
1582 | ||
901c04a3 NB |
1583 | static int lio_tpg_check_prot_fabric_only( |
1584 | struct se_portal_group *se_tpg) | |
1585 | { | |
901c04a3 NB |
1586 | /* |
1587 | * Only report fabric_prot_type if t10_pi has also been enabled | |
1588 | * for incoming ib_isert sessions. | |
1589 | */ | |
2b6eb609 | 1590 | if (!iscsi_tpg(se_tpg)->tpg_attrib.t10_pi) |
901c04a3 | 1591 | return 0; |
2b6eb609 | 1592 | return iscsi_tpg(se_tpg)->tpg_attrib.fabric_prot_type; |
901c04a3 NB |
1593 | } |
1594 | ||
e48354ce NB |
1595 | /* |
1596 | * Called with spin_lock_bh(struct se_portal_group->session_lock) held.. | |
1597 | * | |
1598 | * Also, this function calls iscsit_inc_session_usage_count() on the | |
1599 | * struct iscsi_session in question. | |
1600 | */ | |
1601 | static int lio_tpg_shutdown_session(struct se_session *se_sess) | |
1602 | { | |
1603 | struct iscsi_session *sess = se_sess->fabric_sess_ptr; | |
1604 | ||
1605 | spin_lock(&sess->conn_lock); | |
1606 | if (atomic_read(&sess->session_fall_back_to_erl0) || | |
1607 | atomic_read(&sess->session_logout) || | |
1608 | (sess->time2retain_timer_flags & ISCSI_TF_EXPIRED)) { | |
1609 | spin_unlock(&sess->conn_lock); | |
1610 | return 0; | |
1611 | } | |
1612 | atomic_set(&sess->session_reinstatement, 1); | |
1613 | spin_unlock(&sess->conn_lock); | |
1614 | ||
e48354ce | 1615 | iscsit_stop_time2retain_timer(sess); |
99367f01 | 1616 | iscsit_stop_session(sess, 1, 1); |
e48354ce NB |
1617 | |
1618 | return 1; | |
1619 | } | |
1620 | ||
1621 | /* | |
1622 | * Calls iscsit_dec_session_usage_count() as inverse of | |
1623 | * lio_tpg_shutdown_session() | |
1624 | */ | |
1625 | static void lio_tpg_close_session(struct se_session *se_sess) | |
1626 | { | |
1627 | struct iscsi_session *sess = se_sess->fabric_sess_ptr; | |
1628 | /* | |
1629 | * If the iSCSI Session for the iSCSI Initiator Node exists, | |
1630 | * forcefully shutdown the iSCSI NEXUS. | |
1631 | */ | |
e48354ce NB |
1632 | iscsit_close_session(sess); |
1633 | } | |
1634 | ||
e48354ce NB |
1635 | static u32 lio_tpg_get_inst_index(struct se_portal_group *se_tpg) |
1636 | { | |
2b6eb609 | 1637 | return iscsi_tpg(se_tpg)->tpg_tiqn->tiqn_index; |
e48354ce NB |
1638 | } |
1639 | ||
1640 | static void lio_set_default_node_attributes(struct se_node_acl *se_acl) | |
1641 | { | |
1642 | struct iscsi_node_acl *acl = container_of(se_acl, struct iscsi_node_acl, | |
1643 | se_node_acl); | |
d1fa7a1d NB |
1644 | struct se_portal_group *se_tpg = se_acl->se_tpg; |
1645 | struct iscsi_portal_group *tpg = container_of(se_tpg, | |
1646 | struct iscsi_portal_group, tpg_se_tpg); | |
e48354ce | 1647 | |
b7eec2cd | 1648 | acl->node_attrib.nacl = acl; |
d1fa7a1d | 1649 | iscsit_set_default_node_attribues(acl, tpg); |
e48354ce NB |
1650 | } |
1651 | ||
3e1c81a9 NB |
1652 | static int lio_check_stop_free(struct se_cmd *se_cmd) |
1653 | { | |
afc16604 | 1654 | return target_put_sess_cmd(se_cmd); |
3e1c81a9 NB |
1655 | } |
1656 | ||
e48354ce NB |
1657 | static void lio_release_cmd(struct se_cmd *se_cmd) |
1658 | { | |
1659 | struct iscsi_cmd *cmd = container_of(se_cmd, struct iscsi_cmd, se_cmd); | |
1660 | ||
cdb72665 | 1661 | pr_debug("Entering lio_release_cmd for se_cmd: %p\n", se_cmd); |
d703ce2f | 1662 | iscsit_release_cmd(cmd); |
e48354ce NB |
1663 | } |
1664 | ||
9ac8928e CH |
1665 | const struct target_core_fabric_ops iscsi_ops = { |
1666 | .module = THIS_MODULE, | |
1667 | .name = "iscsi", | |
144bc4c2 | 1668 | .node_acl_size = sizeof(struct iscsi_node_acl), |
9ac8928e | 1669 | .get_fabric_name = iscsi_get_fabric_name, |
9ac8928e CH |
1670 | .tpg_get_wwn = lio_tpg_get_endpoint_wwn, |
1671 | .tpg_get_tag = lio_tpg_get_tag, | |
1672 | .tpg_get_default_depth = lio_tpg_get_default_depth, | |
9ac8928e CH |
1673 | .tpg_check_demo_mode = lio_tpg_check_demo_mode, |
1674 | .tpg_check_demo_mode_cache = lio_tpg_check_demo_mode_cache, | |
1675 | .tpg_check_demo_mode_write_protect = | |
1676 | lio_tpg_check_demo_mode_write_protect, | |
1677 | .tpg_check_prod_mode_write_protect = | |
1678 | lio_tpg_check_prod_mode_write_protect, | |
1679 | .tpg_check_prot_fabric_only = &lio_tpg_check_prot_fabric_only, | |
9ac8928e CH |
1680 | .tpg_get_inst_index = lio_tpg_get_inst_index, |
1681 | .check_stop_free = lio_check_stop_free, | |
1682 | .release_cmd = lio_release_cmd, | |
1683 | .shutdown_session = lio_tpg_shutdown_session, | |
1684 | .close_session = lio_tpg_close_session, | |
1685 | .sess_get_index = lio_sess_get_index, | |
1686 | .sess_get_initiator_sid = lio_sess_get_initiator_sid, | |
1687 | .write_pending = lio_write_pending, | |
1688 | .write_pending_status = lio_write_pending_status, | |
1689 | .set_default_node_attributes = lio_set_default_node_attributes, | |
9ac8928e CH |
1690 | .get_cmd_state = iscsi_get_cmd_state, |
1691 | .queue_data_in = lio_queue_data_in, | |
1692 | .queue_status = lio_queue_status, | |
1693 | .queue_tm_rsp = lio_queue_tm_rsp, | |
1694 | .aborted_task = lio_aborted_task, | |
1695 | .fabric_make_wwn = lio_target_call_coreaddtiqn, | |
1696 | .fabric_drop_wwn = lio_target_call_coredeltiqn, | |
1697 | .fabric_make_tpg = lio_target_tiqn_addtpg, | |
1698 | .fabric_drop_tpg = lio_target_tiqn_deltpg, | |
1699 | .fabric_make_np = lio_target_call_addnptotpg, | |
1700 | .fabric_drop_np = lio_target_call_delnpfromtpg, | |
c7d6a803 CH |
1701 | .fabric_init_nodeacl = lio_target_init_nodeacl, |
1702 | .fabric_cleanup_nodeacl = lio_target_cleanup_nodeacl, | |
9ac8928e CH |
1703 | |
1704 | .tfc_discovery_attrs = lio_target_discovery_auth_attrs, | |
1705 | .tfc_wwn_attrs = lio_target_wwn_attrs, | |
1706 | .tfc_tpg_base_attrs = lio_target_tpg_attrs, | |
1707 | .tfc_tpg_attrib_attrs = lio_target_tpg_attrib_attrs, | |
1708 | .tfc_tpg_auth_attrs = lio_target_tpg_auth_attrs, | |
1709 | .tfc_tpg_param_attrs = lio_target_tpg_param_attrs, | |
1710 | .tfc_tpg_np_base_attrs = lio_target_portal_attrs, | |
1711 | .tfc_tpg_nacl_base_attrs = lio_target_initiator_attrs, | |
1712 | .tfc_tpg_nacl_attrib_attrs = lio_target_nacl_attrib_attrs, | |
1713 | .tfc_tpg_nacl_auth_attrs = lio_target_nacl_auth_attrs, | |
1714 | .tfc_tpg_nacl_param_attrs = lio_target_nacl_param_attrs, | |
1715 | }; |