Merge branch 'pm-tools'
[firefly-linux-kernel-4.4.55.git] / drivers / target / iscsi / iscsi_target_configfs.c
1 /*******************************************************************************
2  * This file contains the configfs implementation for iSCSI Target mode
3  * from the LIO-Target Project.
4  *
5  * (c) Copyright 2007-2013 Datera, Inc.
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>
21 #include <linux/ctype.h>
22 #include <linux/export.h>
23 #include <linux/inet.h>
24 #include <target/target_core_base.h>
25 #include <target/target_core_fabric.h>
26 #include <target/iscsi/iscsi_transport.h>
27
28 #include <target/iscsi/iscsi_target_core.h>
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"
36 #include <target/iscsi/iscsi_target_stat.h>
37
38
39 /* Start items for lio_target_portal_cit */
40
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)
47 {
48         struct iscsi_tpg_np *tpg_np = to_iscsi_tpg_np(item);
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
61 static ssize_t lio_target_np_sctp_store(struct config_item *item,
62                 const char *page, size_t count)
63 {
64         struct iscsi_tpg_np *tpg_np = to_iscsi_tpg_np(item);
65         struct iscsi_np *np;
66         struct iscsi_portal_group *tpg;
67         struct iscsi_tpg_np *tpg_np_sctp = NULL;
68         u32 op;
69         int ret;
70
71         ret = kstrtou32(page, 0, &op);
72         if (ret)
73                 return ret;
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,
94                                         tpg_np, ISCSI_SCTP_TCP);
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
114 static ssize_t lio_target_np_iser_show(struct config_item *item, char *page)
115 {
116         struct iscsi_tpg_np *tpg_np = to_iscsi_tpg_np(item);
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
129 static ssize_t lio_target_np_iser_store(struct config_item *item,
130                 const char *page, size_t count)
131 {
132         struct iscsi_tpg_np *tpg_np = to_iscsi_tpg_np(item);
133         struct iscsi_np *np;
134         struct iscsi_portal_group *tpg;
135         struct iscsi_tpg_np *tpg_np_iser = NULL;
136         char *endptr;
137         u32 op;
138         int rc = 0;
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) {
157                 rc = request_module("ib_isert");
158                 if (rc != 0) {
159                         pr_warn("Unable to request_module for ib_isert\n");
160                         rc = 0;
161                 }
162
163                 tpg_np_iser = iscsit_tpg_add_network_portal(tpg, &np->np_sockaddr,
164                                 tpg_np, ISCSI_INFINIBAND);
165                 if (IS_ERR(tpg_np_iser)) {
166                         rc = PTR_ERR(tpg_np_iser);
167                         goto out;
168                 }
169         } else {
170                 tpg_np_iser = iscsit_tpg_locate_child_np(tpg_np, ISCSI_INFINIBAND);
171                 if (tpg_np_iser) {
172                         rc = iscsit_tpg_del_network_portal(tpg, tpg_np_iser);
173                         if (rc < 0)
174                                 goto out;
175                 }
176         }
177
178         iscsit_put_tpg(tpg);
179         return count;
180 out:
181         iscsit_put_tpg(tpg);
182         return rc;
183 }
184
185 CONFIGFS_ATTR(lio_target_np_, sctp);
186 CONFIGFS_ATTR(lio_target_np_, iser);
187
188 static struct configfs_attribute *lio_target_portal_attrs[] = {
189         &lio_target_np_attr_sctp,
190         &lio_target_np_attr_iser,
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
200 static struct se_tpg_np *lio_target_call_addnptotpg(
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;
208         struct sockaddr_storage sockaddr;
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);
221         snprintf(buf, MAX_PORTAL_LEN + 1, "%s", name);
222
223         memset(&sockaddr, 0, sizeof(struct sockaddr_storage));
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 "[" */
236                 *str2 = '\0'; /* Terminate the unbracketed IPv6 address */
237                 str2++; /* Skip over the \0 */
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
247                 ret = kstrtoul(port_str, 0, &port);
248                 if (ret < 0) {
249                         pr_err("kstrtoul() failed for port_str: %d\n", ret);
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);
255                 ret = in6_pton(str, -1,
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
272                 ret = kstrtoul(port_str, 0, &port);
273                 if (ret < 0) {
274                         pr_err("kstrtoul() failed for port_str: %d\n", ret);
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          *
300          * can be enabled with attributes under
301          * sys/kernel/config/iscsi/$IQN/$TPG/np/$IP:$PORT/
302          *
303          */
304         tpg_np = iscsit_tpg_add_network_portal(tpg, &sockaddr, NULL,
305                                 ISCSI_TCP);
306         if (IS_ERR(tpg_np)) {
307                 iscsit_put_tpg(tpg);
308                 return ERR_CAST(tpg_np);
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"
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);
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
348 #define ISCSI_NACL_ATTR(name)                                           \
349 static ssize_t iscsi_nacl_attrib_##name##_show(struct config_item *item,\
350                 char *page)                                             \
351 {                                                                       \
352         struct se_node_acl *se_nacl = attrib_to_nacl(item);             \
353         struct iscsi_node_acl *nacl = container_of(se_nacl, struct iscsi_node_acl, \
354                                         se_node_acl);                   \
355                                                                         \
356         return sprintf(page, "%u\n", nacl->node_attrib.name);           \
357 }                                                                       \
358                                                                         \
359 static ssize_t iscsi_nacl_attrib_##name##_store(struct config_item *item,\
360                 const char *page, size_t count)                         \
361 {                                                                       \
362         struct se_node_acl *se_nacl = attrib_to_nacl(item);             \
363         struct iscsi_node_acl *nacl = container_of(se_nacl, struct iscsi_node_acl, \
364                                         se_node_acl);                   \
365         u32 val;                                                        \
366         int ret;                                                        \
367                                                                         \
368         ret = kstrtou32(page, 0, &val);                                 \
369         if (ret)                                                        \
370                 return ret;                                             \
371         ret = iscsit_na_##name(nacl, val);                              \
372         if (ret < 0)                                                    \
373                 return ret;                                             \
374                                                                         \
375         return count;                                                   \
376 }                                                                       \
377                                                                         \
378 CONFIGFS_ATTR(iscsi_nacl_attrib_, name)
379
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);
388
389 static struct configfs_attribute *lio_target_nacl_attrib_attrs[] = {
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,
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)                        \
406 static ssize_t __iscsi_##prefix##_##name##_show(                        \
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                                                                         \
417 static ssize_t __iscsi_##prefix##_##name##_store(                       \
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;                                          \
426         if (count >= sizeof(auth->name))                                \
427                 return -EINVAL;                                         \
428         snprintf(auth->name, sizeof(auth->name), "%s", page);           \
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
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
470 #define __DEF_NACL_AUTH_INT(prefix, name)                               \
471 static ssize_t __iscsi_##prefix##_##name##_show(                                \
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
483 #define DEF_NACL_AUTH_INT(name)                                         \
484         __DEF_NACL_AUTH_INT(nacl_auth, name)                            \
485 static ssize_t iscsi_nacl_auth_##name##_show(struct config_item *item,  \
486                 char *page)                                             \
487 {                                                                       \
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)
494
495 DEF_NACL_AUTH_INT(authenticate_target);
496
497 static struct configfs_attribute *lio_target_nacl_auth_attrs[] = {
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,
503         NULL,
504 };
505
506 /* End items for lio_target_nacl_auth_cit */
507
508 /* Start items for lio_target_nacl_param_cit */
509
510 #define ISCSI_NACL_PARAM(name)                                          \
511 static ssize_t iscsi_nacl_param_##name##_show(struct config_item *item, \
512                 char *page)                                             \
513 {                                                                       \
514         struct se_node_acl *se_nacl = param_to_nacl(item);              \
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;                                                      \
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);
547
548 static struct configfs_attribute *lio_target_nacl_param_attrs[] = {
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,
560         NULL,
561 };
562
563 /* End items for lio_target_nacl_param_cit */
564
565 /* Start items for lio_target_acl_cit */
566
567 static ssize_t lio_target_nacl_info_show(struct config_item *item, char *page)
568 {
569         struct se_node_acl *se_nacl = acl_to_nacl(item);
570         struct iscsi_session *sess;
571         struct iscsi_conn *conn;
572         struct se_session *se_sess;
573         ssize_t rb = 0;
574         u32 max_cmd_sn;
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
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);
588
589                 rb += sprintf(page+rb,
590                               "LIO Session ID: %u   ISID: 0x%6ph  TSIH: %hu  ",
591                               sess->sid, sess->isid, sess->tsih);
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");
622                 max_cmd_sn = (u32) atomic_read(&sess->max_cmd_sn);
623                 rb += sprintf(page+rb, " 0x%08x   0x%08x   0x%08x   0x%08x"
624                                 "   0x%08x   0x%08x\n",
625                         sess->cmdsn_window,
626                         (max_cmd_sn - sess->exp_cmd_sn) + 1,
627                         sess->exp_cmd_sn, max_cmd_sn,
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
671                         rb += sprintf(page+rb, "   Address %pISc %s", &conn->login_sockaddr,
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
684 static ssize_t lio_target_nacl_cmdsn_depth_show(struct config_item *item,
685                 char *page)
686 {
687         return sprintf(page, "%u\n", acl_to_nacl(item)->queue_depth);
688 }
689
690 static ssize_t lio_target_nacl_cmdsn_depth_store(struct config_item *item,
691                 const char *page, size_t count)
692 {
693         struct se_node_acl *se_nacl = acl_to_nacl(item);
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;
698         u32 cmdsn_depth = 0;
699         int ret;
700
701         ret = kstrtou32(page, 0, &cmdsn_depth);
702         if (ret)
703                 return ret;
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
743 static ssize_t lio_target_nacl_tag_show(struct config_item *item, char *page)
744 {
745         return snprintf(page, PAGE_SIZE, "%s", acl_to_nacl(item)->acl_tag);
746 }
747
748 static ssize_t lio_target_nacl_tag_store(struct config_item *item,
749                 const char *page, size_t count)
750 {
751         struct se_node_acl *se_nacl = acl_to_nacl(item);
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
761 CONFIGFS_ATTR_RO(lio_target_nacl_, info);
762 CONFIGFS_ATTR(lio_target_nacl_, cmdsn_depth);
763 CONFIGFS_ATTR(lio_target_nacl_, tag);
764
765 static struct configfs_attribute *lio_target_initiator_attrs[] = {
766         &lio_target_nacl_attr_info,
767         &lio_target_nacl_attr_cmdsn_depth,
768         &lio_target_nacl_attr_tag,
769         NULL,
770 };
771
772 static int lio_target_init_nodeacl(struct se_node_acl *se_nacl,
773                 const char *name)
774 {
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;
778
779         stats_cg->default_groups = kmalloc(sizeof(struct config_group *) * 2,
780                                 GFP_KERNEL);
781         if (!stats_cg->default_groups) {
782                 pr_err("Unable to allocate memory for"
783                                 " stats_cg->default_groups\n");
784                 return -ENOMEM;
785         }
786
787         stats_cg->default_groups[0] = &acl->node_stat_grps.iscsi_sess_stats_group;
788         stats_cg->default_groups[1] = NULL;
789         config_group_init_type_name(&acl->node_stat_grps.iscsi_sess_stats_group,
790                         "iscsi_sess_stats", &iscsi_stat_sess_cit);
791
792         return 0;
793 }
794
795 static void lio_target_cleanup_nodeacl( struct se_node_acl *se_nacl)
796 {
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);
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                                                                         \
818 static ssize_t iscsi_tpg_attrib_##name##_show(struct config_item *item, \
819                 char *page)                                             \
820 {                                                                       \
821         struct se_portal_group *se_tpg = attrib_to_tpg(item);           \
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                                                                         \
829         rb = sprintf(page, "%u\n", tpg->tpg_attrib.name);               \
830         iscsit_put_tpg(tpg);                                            \
831         return rb;                                                      \
832 }                                                                       \
833                                                                         \
834 static ssize_t iscsi_tpg_attrib_##name##_store(struct config_item *item,\
835                 const char *page, size_t count)                         \
836 {                                                                       \
837         struct se_portal_group *se_tpg = attrib_to_tpg(item);           \
838         struct iscsi_portal_group *tpg = container_of(se_tpg,           \
839                         struct iscsi_portal_group, tpg_se_tpg); \
840         u32 val;                                                        \
841         int ret;                                                        \
842                                                                         \
843         if (iscsit_get_tpg(tpg) < 0)                                    \
844                 return -EINVAL;                                         \
845                                                                         \
846         ret = kstrtou32(page, 0, &val);                                 \
847         if (ret)                                                        \
848                 goto out;                                               \
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;                                                     \
858 }                                                                       \
859 CONFIGFS_ATTR(iscsi_tpg_attrib_, name)
860
861 DEF_TPG_ATTRIB(authentication);
862 DEF_TPG_ATTRIB(login_timeout);
863 DEF_TPG_ATTRIB(netif_timeout);
864 DEF_TPG_ATTRIB(generate_node_acls);
865 DEF_TPG_ATTRIB(default_cmdsn_depth);
866 DEF_TPG_ATTRIB(cache_dynamic_acls);
867 DEF_TPG_ATTRIB(demo_mode_write_protect);
868 DEF_TPG_ATTRIB(prod_mode_write_protect);
869 DEF_TPG_ATTRIB(demo_mode_discovery);
870 DEF_TPG_ATTRIB(default_erl);
871 DEF_TPG_ATTRIB(t10_pi);
872 DEF_TPG_ATTRIB(fabric_prot_type);
873 DEF_TPG_ATTRIB(tpg_enabled_sendtargets);
874
875 static struct configfs_attribute *lio_target_tpg_attrib_attrs[] = {
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,
889         NULL,
890 };
891
892 /* End items for lio_target_tpg_attrib_cit */
893
894 /* Start items for lio_target_tpg_auth_cit */
895
896 #define __DEF_TPG_AUTH_STR(prefix, name, flags)                                 \
897 static ssize_t __iscsi_##prefix##_##name##_show(struct se_portal_group *se_tpg, \
898                 char *page)                                                     \
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                                                                                 \
910 static ssize_t __iscsi_##prefix##_##name##_store(struct se_portal_group *se_tpg,\
911                 const char *page, size_t count)                                 \
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                                                                                 \
920         snprintf(auth->name, sizeof(auth->name), "%s", page);                   \
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
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
957 #define __DEF_TPG_AUTH_INT(prefix, name)                                        \
958 static ssize_t __iscsi_##prefix##_##name##_show(struct se_portal_group *se_tpg, \
959                 char *page)                                                             \
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
971 #define DEF_TPG_AUTH_INT(name)                                                  \
972         __DEF_TPG_AUTH_INT(tpg_auth, name)                                      \
973 static ssize_t iscsi_tpg_auth_##name##_show(struct config_item *item,           \
974                 char *page) \
975 {                                                                               \
976         return __iscsi_tpg_auth_##name##_show(auth_to_tpg(item), page);         \
977 }                                                                               \
978 CONFIGFS_ATTR_RO(iscsi_tpg_auth_, name);
979
980 DEF_TPG_AUTH_INT(authenticate_target);
981
982 static struct configfs_attribute *lio_target_tpg_auth_attrs[] = {
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,
988         NULL,
989 };
990
991 /* End items for lio_target_tpg_auth_cit */
992
993 /* Start items for lio_target_tpg_param_cit */
994
995 #define DEF_TPG_PARAM(name)                                             \
996 static ssize_t iscsi_tpg_param_##name##_show(struct config_item *item,  \
997                 char *page)                                             \
998 {                                                                       \
999         struct se_portal_group *se_tpg = param_to_tpg(item);            \
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 }                                                                       \
1019 static ssize_t iscsi_tpg_param_##name##_store(struct config_item *item, \
1020                 const char *page, size_t count)                         \
1021 {                                                                       \
1022         struct se_portal_group *se_tpg = param_to_tpg(item);            \
1023         struct iscsi_portal_group *tpg = container_of(se_tpg,           \
1024                         struct iscsi_portal_group, tpg_se_tpg);         \
1025         char *buf;                                                      \
1026         int ret, len;                                                   \
1027                                                                         \
1028         buf = kzalloc(PAGE_SIZE, GFP_KERNEL);                           \
1029         if (!buf)                                                       \
1030                 return -ENOMEM;                                         \
1031         len = snprintf(buf, PAGE_SIZE, "%s=%s", __stringify(name), page);       \
1032         if (isspace(buf[len-1]))                                        \
1033                 buf[len-1] = '\0'; /* Kill newline */                   \
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);                                            \
1050         return -EINVAL;                                                 \
1051 }                                                                       \
1052 CONFIGFS_ATTR(iscsi_tpg_param_, name)
1053
1054 DEF_TPG_PARAM(AuthMethod);
1055 DEF_TPG_PARAM(HeaderDigest);
1056 DEF_TPG_PARAM(DataDigest);
1057 DEF_TPG_PARAM(MaxConnections);
1058 DEF_TPG_PARAM(TargetAlias);
1059 DEF_TPG_PARAM(InitialR2T);
1060 DEF_TPG_PARAM(ImmediateData);
1061 DEF_TPG_PARAM(MaxRecvDataSegmentLength);
1062 DEF_TPG_PARAM(MaxXmitDataSegmentLength);
1063 DEF_TPG_PARAM(MaxBurstLength);
1064 DEF_TPG_PARAM(FirstBurstLength);
1065 DEF_TPG_PARAM(DefaultTime2Wait);
1066 DEF_TPG_PARAM(DefaultTime2Retain);
1067 DEF_TPG_PARAM(MaxOutstandingR2T);
1068 DEF_TPG_PARAM(DataPDUInOrder);
1069 DEF_TPG_PARAM(DataSequenceInOrder);
1070 DEF_TPG_PARAM(ErrorRecoveryLevel);
1071 DEF_TPG_PARAM(IFMarker);
1072 DEF_TPG_PARAM(OFMarker);
1073 DEF_TPG_PARAM(IFMarkInt);
1074 DEF_TPG_PARAM(OFMarkInt);
1075
1076 static struct configfs_attribute *lio_target_tpg_param_attrs[] = {
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,
1098         NULL,
1099 };
1100
1101 /* End items for lio_target_tpg_param_cit */
1102
1103 /* Start items for lio_target_tpg_cit */
1104
1105 static ssize_t lio_target_tpg_enable_show(struct config_item *item, char *page)
1106 {
1107         struct se_portal_group *se_tpg = to_tpg(item);
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
1120 static ssize_t lio_target_tpg_enable_store(struct config_item *item,
1121                 const char *page, size_t count)
1122 {
1123         struct se_portal_group *se_tpg = to_tpg(item);
1124         struct iscsi_portal_group *tpg = container_of(se_tpg,
1125                         struct iscsi_portal_group, tpg_se_tpg);
1126         u32 op;
1127         int ret;
1128
1129         ret = kstrtou32(page, 0, &op);
1130         if (ret)
1131                 return ret;
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
1161
1162 static ssize_t lio_target_tpg_dynamic_sessions_show(struct config_item *item,
1163                 char *page)
1164 {
1165         return target_show_dynamic_sessions(to_tpg(item), page);
1166 }
1167
1168 CONFIGFS_ATTR(lio_target_tpg_, enable);
1169 CONFIGFS_ATTR_RO(lio_target_tpg_, dynamic_sessions);
1170
1171 static struct configfs_attribute *lio_target_tpg_attrs[] = {
1172         &lio_target_tpg_attr_enable,
1173         &lio_target_tpg_attr_dynamic_sessions,
1174         NULL,
1175 };
1176
1177 /* End items for lio_target_tpg_cit */
1178
1179 /* Start items for lio_target_tiqn_cit */
1180
1181 static struct se_portal_group *lio_target_tiqn_addtpg(
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;
1188         char *tpgt_str;
1189         int ret;
1190         u16 tpgt;
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/
1196          */
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_" */
1204         ret = kstrtou16(tpgt_str, 0, &tpgt);
1205         if (ret)
1206                 return NULL;
1207
1208         tpg = iscsit_alloc_portal_group(tiqn, tpgt);
1209         if (!tpg)
1210                 return NULL;
1211
1212         ret = core_tpg_register(wwn, &tpg->tpg_se_tpg, SCSI_PROTOCOL_ISCSI);
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
1230 static void lio_target_tiqn_deltpg(struct se_portal_group *se_tpg)
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
1248 static ssize_t lio_target_wwn_lio_version_show(struct config_item *item,
1249                 char *page)
1250 {
1251         return sprintf(page, "Datera Inc. iSCSI Target "ISCSIT_VERSION"\n");
1252 }
1253
1254 CONFIGFS_ATTR_RO(lio_target_wwn_, lio_version);
1255
1256 static struct configfs_attribute *lio_target_wwn_attrs[] = {
1257         &lio_target_wwn_attr_lio_version,
1258         NULL,
1259 };
1260
1261 static struct se_wwn *lio_target_call_coreaddtiqn(
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))
1271                 return ERR_CAST(tiqn);
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
1277         stats_cg->default_groups = kmalloc(sizeof(struct config_group *) * 6,
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
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;
1291         stats_cg->default_groups[5] = NULL;
1292         config_group_init_type_name(&tiqn->tiqn_stat_grps.iscsi_instance_group,
1293                         "iscsi_instance", &iscsi_stat_instance_cit);
1294         config_group_init_type_name(&tiqn->tiqn_stat_grps.iscsi_sess_err_group,
1295                         "iscsi_sess_err", &iscsi_stat_sess_err_cit);
1296         config_group_init_type_name(&tiqn->tiqn_stat_grps.iscsi_tgt_attr_group,
1297                         "iscsi_tgt_attr", &iscsi_stat_tgt_attr_cit);
1298         config_group_init_type_name(&tiqn->tiqn_stat_grps.iscsi_login_stats_group,
1299                         "iscsi_login_stats", &iscsi_stat_login_cit);
1300         config_group_init_type_name(&tiqn->tiqn_stat_grps.iscsi_logout_stats_group,
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
1309 static void lio_target_call_coredeltiqn(
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)                          \
1336 static ssize_t iscsi_disc_##name##_show(struct config_item *item, char *page) \
1337 {                                                                       \
1338         return __iscsi_disc_##name##_show(&iscsit_global->discovery_acl,\
1339                 page);                                                  \
1340 }                                                                       \
1341 static ssize_t iscsi_disc_##name##_store(struct config_item *item,      \
1342                 const char *page, size_t count)                         \
1343 {                                                                       \
1344         return __iscsi_disc_##name##_store(&iscsit_global->discovery_acl,       \
1345                 page, count);                                           \
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);
1354
1355 #define DEF_DISC_AUTH_INT(name)                                         \
1356         __DEF_NACL_AUTH_INT(disc, name)                                 \
1357 static ssize_t iscsi_disc_##name##_show(struct config_item *item, char *page) \
1358 {                                                                       \
1359         return __iscsi_disc_##name##_show(&iscsit_global->discovery_acl, \
1360                         page);                                          \
1361 }                                                                       \
1362 CONFIGFS_ATTR_RO(iscsi_disc_, name)
1363
1364 DEF_DISC_AUTH_INT(authenticate_target);
1365
1366
1367 static ssize_t iscsi_disc_enforce_discovery_auth_show(struct config_item *item,
1368                 char *page)
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
1375 static ssize_t iscsi_disc_enforce_discovery_auth_store(struct config_item *item,
1376                 const char *page, size_t count)
1377 {
1378         struct iscsi_param *param;
1379         struct iscsi_portal_group *discovery_tpg = iscsit_global->discovery_tpg;
1380         u32 op;
1381         int err;
1382
1383         err = kstrtou32(page, 0, &op);
1384         if (err)
1385                 return -EINVAL;
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
1431 CONFIGFS_ATTR(iscsi_disc_, enforce_discovery_auth);
1432
1433 static struct configfs_attribute *lio_target_discovery_auth_attrs[] = {
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,
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
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
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          */
1475         return snprintf(buf, size, "%6phN", sess->isid);
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;
1483         cmd->conn->conn_transport->iscsit_queue_data_in(cmd->conn, cmd);
1484
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);
1491         struct iscsi_conn *conn = cmd->conn;
1492
1493         if (!cmd->immediate_data && !cmd->unsolicited_data)
1494                 return conn->conn_transport->iscsit_get_dataout(conn, cmd, false);
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;
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         }
1521         cmd->conn->conn_transport->iscsit_queue_status(cmd->conn, cmd);
1522
1523         return 0;
1524 }
1525
1526 static void lio_queue_tm_rsp(struct se_cmd *se_cmd)
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);
1532 }
1533
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
1541 static inline struct iscsi_portal_group *iscsi_tpg(struct se_portal_group *se_tpg)
1542 {
1543         return container_of(se_tpg, struct iscsi_portal_group, tpg_se_tpg);
1544 }
1545
1546 static char *lio_tpg_get_endpoint_wwn(struct se_portal_group *se_tpg)
1547 {
1548         return iscsi_tpg(se_tpg)->tpg_tiqn->tiqn;
1549 }
1550
1551 static u16 lio_tpg_get_tag(struct se_portal_group *se_tpg)
1552 {
1553         return iscsi_tpg(se_tpg)->tpgt;
1554 }
1555
1556 static u32 lio_tpg_get_default_depth(struct se_portal_group *se_tpg)
1557 {
1558         return iscsi_tpg(se_tpg)->tpg_attrib.default_cmdsn_depth;
1559 }
1560
1561 static int lio_tpg_check_demo_mode(struct se_portal_group *se_tpg)
1562 {
1563         return iscsi_tpg(se_tpg)->tpg_attrib.generate_node_acls;
1564 }
1565
1566 static int lio_tpg_check_demo_mode_cache(struct se_portal_group *se_tpg)
1567 {
1568         return iscsi_tpg(se_tpg)->tpg_attrib.cache_dynamic_acls;
1569 }
1570
1571 static int lio_tpg_check_demo_mode_write_protect(
1572         struct se_portal_group *se_tpg)
1573 {
1574         return iscsi_tpg(se_tpg)->tpg_attrib.demo_mode_write_protect;
1575 }
1576
1577 static int lio_tpg_check_prod_mode_write_protect(
1578         struct se_portal_group *se_tpg)
1579 {
1580         return iscsi_tpg(se_tpg)->tpg_attrib.prod_mode_write_protect;
1581 }
1582
1583 static int lio_tpg_check_prot_fabric_only(
1584         struct se_portal_group *se_tpg)
1585 {
1586         /*
1587          * Only report fabric_prot_type if t10_pi has also been enabled
1588          * for incoming ib_isert sessions.
1589          */
1590         if (!iscsi_tpg(se_tpg)->tpg_attrib.t10_pi)
1591                 return 0;
1592         return iscsi_tpg(se_tpg)->tpg_attrib.fabric_prot_type;
1593 }
1594
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
1615         iscsit_stop_time2retain_timer(sess);
1616         iscsit_stop_session(sess, 1, 1);
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          */
1632         iscsit_close_session(sess);
1633 }
1634
1635 static u32 lio_tpg_get_inst_index(struct se_portal_group *se_tpg)
1636 {
1637         return iscsi_tpg(se_tpg)->tpg_tiqn->tiqn_index;
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);
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);
1647
1648         acl->node_attrib.nacl = acl;
1649         iscsit_set_default_node_attribues(acl, tpg);
1650 }
1651
1652 static int lio_check_stop_free(struct se_cmd *se_cmd)
1653 {
1654         return target_put_sess_cmd(se_cmd);
1655 }
1656
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
1661         pr_debug("Entering lio_release_cmd for se_cmd: %p\n", se_cmd);
1662         iscsit_release_cmd(cmd);
1663 }
1664
1665 const struct target_core_fabric_ops iscsi_ops = {
1666         .module                         = THIS_MODULE,
1667         .name                           = "iscsi",
1668         .node_acl_size                  = sizeof(struct iscsi_node_acl),
1669         .get_fabric_name                = iscsi_get_fabric_name,
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,
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,
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,
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,
1701         .fabric_init_nodeacl            = lio_target_init_nodeacl,
1702         .fabric_cleanup_nodeacl         = lio_target_cleanup_nodeacl,
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 };