Merge branch 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...
[linux-2.6.git] / drivers / target / target_core_stat.c
1 /*******************************************************************************
2  * Filename:  target_core_stat.c
3  *
4  * Copyright (c) 2011 Rising Tide Systems
5  * Copyright (c) 2011 Linux-iSCSI.org
6  *
7  * Modern ConfigFS group context specific statistics based on original
8  * target_core_mib.c code
9  *
10  * Copyright (c) 2006-2007 SBE, Inc.  All Rights Reserved.
11  *
12  * Nicholas A. Bellinger <nab@linux-iscsi.org>
13  *
14  * This program is free software; you can redistribute it and/or modify
15  * it under the terms of the GNU General Public License as published by
16  * the Free Software Foundation; either version 2 of the License, or
17  * (at your option) any later version.
18  *
19  * This program is distributed in the hope that it will be useful,
20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
22  * GNU General Public License for more details.
23  *
24  * You should have received a copy of the GNU General Public License
25  * along with this program; if not, write to the Free Software
26  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
27  *
28  ******************************************************************************/
29
30 #include <linux/kernel.h>
31 #include <linux/module.h>
32 #include <linux/delay.h>
33 #include <linux/timer.h>
34 #include <linux/string.h>
35 #include <linux/version.h>
36 #include <generated/utsrelease.h>
37 #include <linux/utsname.h>
38 #include <linux/proc_fs.h>
39 #include <linux/seq_file.h>
40 #include <linux/blkdev.h>
41 #include <linux/configfs.h>
42 #include <scsi/scsi.h>
43 #include <scsi/scsi_device.h>
44 #include <scsi/scsi_host.h>
45
46 #include <target/target_core_base.h>
47 #include <target/target_core_transport.h>
48 #include <target/target_core_fabric_ops.h>
49 #include <target/target_core_configfs.h>
50 #include <target/configfs_macros.h>
51
52 #include "target_core_hba.h"
53
54 #ifndef INITIAL_JIFFIES
55 #define INITIAL_JIFFIES ((unsigned long)(unsigned int) (-300*HZ))
56 #endif
57
58 #define NONE            "None"
59 #define ISPRINT(a)   ((a >= ' ') && (a <= '~'))
60
61 #define SCSI_LU_INDEX                   1
62 #define LU_COUNT                        1
63
64 /*
65  * SCSI Device Table
66  */
67
68 CONFIGFS_EATTR_STRUCT(target_stat_scsi_dev, se_dev_stat_grps);
69 #define DEV_STAT_SCSI_DEV_ATTR(_name, _mode)                            \
70 static struct target_stat_scsi_dev_attribute                            \
71                         target_stat_scsi_dev_##_name =                  \
72         __CONFIGFS_EATTR(_name, _mode,                                  \
73         target_stat_scsi_dev_show_attr_##_name,                         \
74         target_stat_scsi_dev_store_attr_##_name);
75
76 #define DEV_STAT_SCSI_DEV_ATTR_RO(_name)                                \
77 static struct target_stat_scsi_dev_attribute                            \
78                         target_stat_scsi_dev_##_name =                  \
79         __CONFIGFS_EATTR_RO(_name,                                      \
80         target_stat_scsi_dev_show_attr_##_name);
81
82 static ssize_t target_stat_scsi_dev_show_attr_inst(
83         struct se_dev_stat_grps *sgrps, char *page)
84 {
85         struct se_subsystem_dev *se_subdev = container_of(sgrps,
86                         struct se_subsystem_dev, dev_stat_grps);
87         struct se_hba *hba = se_subdev->se_dev_hba;
88         struct se_device *dev = se_subdev->se_dev_ptr;
89
90         if (!dev)
91                 return -ENODEV;
92
93         return snprintf(page, PAGE_SIZE, "%u\n", hba->hba_index);
94 }
95 DEV_STAT_SCSI_DEV_ATTR_RO(inst);
96
97 static ssize_t target_stat_scsi_dev_show_attr_indx(
98         struct se_dev_stat_grps *sgrps, char *page)
99 {
100         struct se_subsystem_dev *se_subdev = container_of(sgrps,
101                         struct se_subsystem_dev, dev_stat_grps);
102         struct se_device *dev = se_subdev->se_dev_ptr;
103
104         if (!dev)
105                 return -ENODEV;
106
107         return snprintf(page, PAGE_SIZE, "%u\n", dev->dev_index);
108 }
109 DEV_STAT_SCSI_DEV_ATTR_RO(indx);
110
111 static ssize_t target_stat_scsi_dev_show_attr_role(
112         struct se_dev_stat_grps *sgrps, char *page)
113 {
114         struct se_subsystem_dev *se_subdev = container_of(sgrps,
115                         struct se_subsystem_dev, dev_stat_grps);
116         struct se_device *dev = se_subdev->se_dev_ptr;
117
118         if (!dev)
119                 return -ENODEV;
120
121         return snprintf(page, PAGE_SIZE, "Target\n");
122 }
123 DEV_STAT_SCSI_DEV_ATTR_RO(role);
124
125 static ssize_t target_stat_scsi_dev_show_attr_ports(
126         struct se_dev_stat_grps *sgrps, char *page)
127 {
128         struct se_subsystem_dev *se_subdev = container_of(sgrps,
129                         struct se_subsystem_dev, dev_stat_grps);
130         struct se_device *dev = se_subdev->se_dev_ptr;
131
132         if (!dev)
133                 return -ENODEV;
134
135         return snprintf(page, PAGE_SIZE, "%u\n", dev->dev_port_count);
136 }
137 DEV_STAT_SCSI_DEV_ATTR_RO(ports);
138
139 CONFIGFS_EATTR_OPS(target_stat_scsi_dev, se_dev_stat_grps, scsi_dev_group);
140
141 static struct configfs_attribute *target_stat_scsi_dev_attrs[] = {
142         &target_stat_scsi_dev_inst.attr,
143         &target_stat_scsi_dev_indx.attr,
144         &target_stat_scsi_dev_role.attr,
145         &target_stat_scsi_dev_ports.attr,
146         NULL,
147 };
148
149 static struct configfs_item_operations target_stat_scsi_dev_attrib_ops = {
150         .show_attribute         = target_stat_scsi_dev_attr_show,
151         .store_attribute        = target_stat_scsi_dev_attr_store,
152 };
153
154 static struct config_item_type target_stat_scsi_dev_cit = {
155         .ct_item_ops            = &target_stat_scsi_dev_attrib_ops,
156         .ct_attrs               = target_stat_scsi_dev_attrs,
157         .ct_owner               = THIS_MODULE,
158 };
159
160 /*
161  * SCSI Target Device Table
162  */
163
164 CONFIGFS_EATTR_STRUCT(target_stat_scsi_tgt_dev, se_dev_stat_grps);
165 #define DEV_STAT_SCSI_TGT_DEV_ATTR(_name, _mode)                        \
166 static struct target_stat_scsi_tgt_dev_attribute                        \
167                         target_stat_scsi_tgt_dev_##_name =              \
168         __CONFIGFS_EATTR(_name, _mode,                                  \
169         target_stat_scsi_tgt_dev_show_attr_##_name,                     \
170         target_stat_scsi_tgt_dev_store_attr_##_name);
171
172 #define DEV_STAT_SCSI_TGT_DEV_ATTR_RO(_name)                            \
173 static struct target_stat_scsi_tgt_dev_attribute                        \
174                         target_stat_scsi_tgt_dev_##_name =              \
175         __CONFIGFS_EATTR_RO(_name,                                      \
176         target_stat_scsi_tgt_dev_show_attr_##_name);
177
178 static ssize_t target_stat_scsi_tgt_dev_show_attr_inst(
179         struct se_dev_stat_grps *sgrps, char *page)
180 {
181         struct se_subsystem_dev *se_subdev = container_of(sgrps,
182                         struct se_subsystem_dev, dev_stat_grps);
183         struct se_hba *hba = se_subdev->se_dev_hba;
184         struct se_device *dev = se_subdev->se_dev_ptr;
185
186         if (!dev)
187                 return -ENODEV;
188
189         return snprintf(page, PAGE_SIZE, "%u\n", hba->hba_index);
190 }
191 DEV_STAT_SCSI_TGT_DEV_ATTR_RO(inst);
192
193 static ssize_t target_stat_scsi_tgt_dev_show_attr_indx(
194         struct se_dev_stat_grps *sgrps, char *page)
195 {
196         struct se_subsystem_dev *se_subdev = container_of(sgrps,
197                         struct se_subsystem_dev, dev_stat_grps);
198         struct se_device *dev = se_subdev->se_dev_ptr;
199
200         if (!dev)
201                 return -ENODEV;
202
203         return snprintf(page, PAGE_SIZE, "%u\n", dev->dev_index);
204 }
205 DEV_STAT_SCSI_TGT_DEV_ATTR_RO(indx);
206
207 static ssize_t target_stat_scsi_tgt_dev_show_attr_num_lus(
208         struct se_dev_stat_grps *sgrps, char *page)
209 {
210         struct se_subsystem_dev *se_subdev = container_of(sgrps,
211                         struct se_subsystem_dev, dev_stat_grps);
212         struct se_device *dev = se_subdev->se_dev_ptr;
213
214         if (!dev)
215                 return -ENODEV;
216
217         return snprintf(page, PAGE_SIZE, "%u\n", LU_COUNT);
218 }
219 DEV_STAT_SCSI_TGT_DEV_ATTR_RO(num_lus);
220
221 static ssize_t target_stat_scsi_tgt_dev_show_attr_status(
222         struct se_dev_stat_grps *sgrps, char *page)
223 {
224         struct se_subsystem_dev *se_subdev = container_of(sgrps,
225                         struct se_subsystem_dev, dev_stat_grps);
226         struct se_device *dev = se_subdev->se_dev_ptr;
227         char status[16];
228
229         if (!dev)
230                 return -ENODEV;
231
232         switch (dev->dev_status) {
233         case TRANSPORT_DEVICE_ACTIVATED:
234                 strcpy(status, "activated");
235                 break;
236         case TRANSPORT_DEVICE_DEACTIVATED:
237                 strcpy(status, "deactivated");
238                 break;
239         case TRANSPORT_DEVICE_SHUTDOWN:
240                 strcpy(status, "shutdown");
241                 break;
242         case TRANSPORT_DEVICE_OFFLINE_ACTIVATED:
243         case TRANSPORT_DEVICE_OFFLINE_DEACTIVATED:
244                 strcpy(status, "offline");
245                 break;
246         default:
247                 sprintf(status, "unknown(%d)", dev->dev_status);
248                 break;
249         }
250
251         return snprintf(page, PAGE_SIZE, "%s\n", status);
252 }
253 DEV_STAT_SCSI_TGT_DEV_ATTR_RO(status);
254
255 static ssize_t target_stat_scsi_tgt_dev_show_attr_non_access_lus(
256         struct se_dev_stat_grps *sgrps, char *page)
257 {
258         struct se_subsystem_dev *se_subdev = container_of(sgrps,
259                         struct se_subsystem_dev, dev_stat_grps);
260         struct se_device *dev = se_subdev->se_dev_ptr;
261         int non_accessible_lus;
262
263         if (!dev)
264                 return -ENODEV;
265
266         switch (dev->dev_status) {
267         case TRANSPORT_DEVICE_ACTIVATED:
268                 non_accessible_lus = 0;
269                 break;
270         case TRANSPORT_DEVICE_DEACTIVATED:
271         case TRANSPORT_DEVICE_SHUTDOWN:
272         case TRANSPORT_DEVICE_OFFLINE_ACTIVATED:
273         case TRANSPORT_DEVICE_OFFLINE_DEACTIVATED:
274         default:
275                 non_accessible_lus = 1;
276                 break;
277         }
278
279         return snprintf(page, PAGE_SIZE, "%u\n", non_accessible_lus);
280 }
281 DEV_STAT_SCSI_TGT_DEV_ATTR_RO(non_access_lus);
282
283 static ssize_t target_stat_scsi_tgt_dev_show_attr_resets(
284         struct se_dev_stat_grps *sgrps, char *page)
285 {
286         struct se_subsystem_dev *se_subdev = container_of(sgrps,
287                         struct se_subsystem_dev, dev_stat_grps);
288         struct se_device *dev = se_subdev->se_dev_ptr;
289
290         if (!dev)
291                 return -ENODEV;
292
293         return snprintf(page, PAGE_SIZE, "%u\n", dev->num_resets);
294 }
295 DEV_STAT_SCSI_TGT_DEV_ATTR_RO(resets);
296
297
298 CONFIGFS_EATTR_OPS(target_stat_scsi_tgt_dev, se_dev_stat_grps, scsi_tgt_dev_group);
299
300 static struct configfs_attribute *target_stat_scsi_tgt_dev_attrs[] = {
301         &target_stat_scsi_tgt_dev_inst.attr,
302         &target_stat_scsi_tgt_dev_indx.attr,
303         &target_stat_scsi_tgt_dev_num_lus.attr,
304         &target_stat_scsi_tgt_dev_status.attr,
305         &target_stat_scsi_tgt_dev_non_access_lus.attr,
306         &target_stat_scsi_tgt_dev_resets.attr,
307         NULL,
308 };
309
310 static struct configfs_item_operations target_stat_scsi_tgt_dev_attrib_ops = {
311         .show_attribute         = target_stat_scsi_tgt_dev_attr_show,
312         .store_attribute        = target_stat_scsi_tgt_dev_attr_store,
313 };
314
315 static struct config_item_type target_stat_scsi_tgt_dev_cit = {
316         .ct_item_ops            = &target_stat_scsi_tgt_dev_attrib_ops,
317         .ct_attrs               = target_stat_scsi_tgt_dev_attrs,
318         .ct_owner               = THIS_MODULE,
319 };
320
321 /*
322  * SCSI Logical Unit Table
323  */
324
325 CONFIGFS_EATTR_STRUCT(target_stat_scsi_lu, se_dev_stat_grps);
326 #define DEV_STAT_SCSI_LU_ATTR(_name, _mode)                             \
327 static struct target_stat_scsi_lu_attribute target_stat_scsi_lu_##_name = \
328         __CONFIGFS_EATTR(_name, _mode,                                  \
329         target_stat_scsi_lu_show_attr_##_name,                          \
330         target_stat_scsi_lu_store_attr_##_name);
331
332 #define DEV_STAT_SCSI_LU_ATTR_RO(_name)                                 \
333 static struct target_stat_scsi_lu_attribute target_stat_scsi_lu_##_name = \
334         __CONFIGFS_EATTR_RO(_name,                                      \
335         target_stat_scsi_lu_show_attr_##_name);
336
337 static ssize_t target_stat_scsi_lu_show_attr_inst(
338         struct se_dev_stat_grps *sgrps, char *page)
339 {
340         struct se_subsystem_dev *se_subdev = container_of(sgrps,
341                         struct se_subsystem_dev, dev_stat_grps);
342         struct se_hba *hba = se_subdev->se_dev_hba;
343         struct se_device *dev = se_subdev->se_dev_ptr;
344
345         if (!dev)
346                 return -ENODEV;
347
348         return snprintf(page, PAGE_SIZE, "%u\n", hba->hba_index);
349 }
350 DEV_STAT_SCSI_LU_ATTR_RO(inst);
351
352 static ssize_t target_stat_scsi_lu_show_attr_dev(
353         struct se_dev_stat_grps *sgrps, char *page)
354 {
355         struct se_subsystem_dev *se_subdev = container_of(sgrps,
356                         struct se_subsystem_dev, dev_stat_grps);
357         struct se_device *dev = se_subdev->se_dev_ptr;
358
359         if (!dev)
360                 return -ENODEV;
361
362         return snprintf(page, PAGE_SIZE, "%u\n", dev->dev_index);
363 }
364 DEV_STAT_SCSI_LU_ATTR_RO(dev);
365
366 static ssize_t target_stat_scsi_lu_show_attr_indx(
367         struct se_dev_stat_grps *sgrps, char *page)
368 {
369         struct se_subsystem_dev *se_subdev = container_of(sgrps,
370                         struct se_subsystem_dev, dev_stat_grps);
371         struct se_device *dev = se_subdev->se_dev_ptr;
372
373         if (!dev)
374                 return -ENODEV;
375
376         return snprintf(page, PAGE_SIZE, "%u\n", SCSI_LU_INDEX);
377 }
378 DEV_STAT_SCSI_LU_ATTR_RO(indx);
379
380 static ssize_t target_stat_scsi_lu_show_attr_lun(
381         struct se_dev_stat_grps *sgrps, char *page)
382 {
383         struct se_subsystem_dev *se_subdev = container_of(sgrps,
384                         struct se_subsystem_dev, dev_stat_grps);
385         struct se_device *dev = se_subdev->se_dev_ptr;
386
387         if (!dev)
388                 return -ENODEV;
389         /* FIXME: scsiLuDefaultLun */
390         return snprintf(page, PAGE_SIZE, "%llu\n", (unsigned long long)0);
391 }
392 DEV_STAT_SCSI_LU_ATTR_RO(lun);
393
394 static ssize_t target_stat_scsi_lu_show_attr_lu_name(
395         struct se_dev_stat_grps *sgrps, char *page)
396 {
397         struct se_subsystem_dev *se_subdev = container_of(sgrps,
398                         struct se_subsystem_dev, dev_stat_grps);
399         struct se_device *dev = se_subdev->se_dev_ptr;
400
401         if (!dev)
402                 return -ENODEV;
403         /* scsiLuWwnName */
404         return snprintf(page, PAGE_SIZE, "%s\n",
405                         (strlen(dev->se_sub_dev->t10_wwn.unit_serial)) ?
406                         dev->se_sub_dev->t10_wwn.unit_serial : "None");
407 }
408 DEV_STAT_SCSI_LU_ATTR_RO(lu_name);
409
410 static ssize_t target_stat_scsi_lu_show_attr_vend(
411         struct se_dev_stat_grps *sgrps, char *page)
412 {
413         struct se_subsystem_dev *se_subdev = container_of(sgrps,
414                         struct se_subsystem_dev, dev_stat_grps);
415         struct se_device *dev = se_subdev->se_dev_ptr;
416         int i;
417         char str[sizeof(dev->se_sub_dev->t10_wwn.vendor)+1];
418
419         if (!dev)
420                 return -ENODEV;
421
422         /* scsiLuVendorId */
423         for (i = 0; i < sizeof(dev->se_sub_dev->t10_wwn.vendor); i++)
424                 str[i] = ISPRINT(dev->se_sub_dev->t10_wwn.vendor[i]) ?
425                         dev->se_sub_dev->t10_wwn.vendor[i] : ' ';
426         str[i] = '\0';
427         return snprintf(page, PAGE_SIZE, "%s\n", str);
428 }
429 DEV_STAT_SCSI_LU_ATTR_RO(vend);
430
431 static ssize_t target_stat_scsi_lu_show_attr_prod(
432         struct se_dev_stat_grps *sgrps, char *page)
433 {
434         struct se_subsystem_dev *se_subdev = container_of(sgrps,
435                         struct se_subsystem_dev, dev_stat_grps);
436         struct se_device *dev = se_subdev->se_dev_ptr;
437         int i;
438         char str[sizeof(dev->se_sub_dev->t10_wwn.model)+1];
439
440         if (!dev)
441                 return -ENODEV;
442
443         /* scsiLuProductId */
444         for (i = 0; i < sizeof(dev->se_sub_dev->t10_wwn.vendor); i++)
445                 str[i] = ISPRINT(dev->se_sub_dev->t10_wwn.model[i]) ?
446                         dev->se_sub_dev->t10_wwn.model[i] : ' ';
447         str[i] = '\0';
448         return snprintf(page, PAGE_SIZE, "%s\n", str);
449 }
450 DEV_STAT_SCSI_LU_ATTR_RO(prod);
451
452 static ssize_t target_stat_scsi_lu_show_attr_rev(
453         struct se_dev_stat_grps *sgrps, char *page)
454 {
455         struct se_subsystem_dev *se_subdev = container_of(sgrps,
456                         struct se_subsystem_dev, dev_stat_grps);
457         struct se_device *dev = se_subdev->se_dev_ptr;
458         int i;
459         char str[sizeof(dev->se_sub_dev->t10_wwn.revision)+1];
460
461         if (!dev)
462                 return -ENODEV;
463
464         /* scsiLuRevisionId */
465         for (i = 0; i < sizeof(dev->se_sub_dev->t10_wwn.revision); i++)
466                 str[i] = ISPRINT(dev->se_sub_dev->t10_wwn.revision[i]) ?
467                         dev->se_sub_dev->t10_wwn.revision[i] : ' ';
468         str[i] = '\0';
469         return snprintf(page, PAGE_SIZE, "%s\n", str);
470 }
471 DEV_STAT_SCSI_LU_ATTR_RO(rev);
472
473 static ssize_t target_stat_scsi_lu_show_attr_dev_type(
474         struct se_dev_stat_grps *sgrps, char *page)
475 {
476         struct se_subsystem_dev *se_subdev = container_of(sgrps,
477                         struct se_subsystem_dev, dev_stat_grps);
478         struct se_device *dev = se_subdev->se_dev_ptr;
479
480         if (!dev)
481                 return -ENODEV;
482
483         /* scsiLuPeripheralType */
484         return snprintf(page, PAGE_SIZE, "%u\n",
485                         dev->transport->get_device_type(dev));
486 }
487 DEV_STAT_SCSI_LU_ATTR_RO(dev_type);
488
489 static ssize_t target_stat_scsi_lu_show_attr_status(
490         struct se_dev_stat_grps *sgrps, char *page)
491 {
492         struct se_subsystem_dev *se_subdev = container_of(sgrps,
493                         struct se_subsystem_dev, dev_stat_grps);
494         struct se_device *dev = se_subdev->se_dev_ptr;
495
496         if (!dev)
497                 return -ENODEV;
498
499         /* scsiLuStatus */
500         return snprintf(page, PAGE_SIZE, "%s\n",
501                 (dev->dev_status == TRANSPORT_DEVICE_ACTIVATED) ?
502                 "available" : "notavailable");
503 }
504 DEV_STAT_SCSI_LU_ATTR_RO(status);
505
506 static ssize_t target_stat_scsi_lu_show_attr_state_bit(
507         struct se_dev_stat_grps *sgrps, char *page)
508 {
509         struct se_subsystem_dev *se_subdev = container_of(sgrps,
510                         struct se_subsystem_dev, dev_stat_grps);
511         struct se_device *dev = se_subdev->se_dev_ptr;
512
513         if (!dev)
514                 return -ENODEV;
515
516         /* scsiLuState */
517         return snprintf(page, PAGE_SIZE, "exposed\n");
518 }
519 DEV_STAT_SCSI_LU_ATTR_RO(state_bit);
520
521 static ssize_t target_stat_scsi_lu_show_attr_num_cmds(
522         struct se_dev_stat_grps *sgrps, char *page)
523 {
524         struct se_subsystem_dev *se_subdev = container_of(sgrps,
525                         struct se_subsystem_dev, dev_stat_grps);
526         struct se_device *dev = se_subdev->se_dev_ptr;
527
528         if (!dev)
529                 return -ENODEV;
530
531         /* scsiLuNumCommands */
532         return snprintf(page, PAGE_SIZE, "%llu\n",
533                         (unsigned long long)dev->num_cmds);
534 }
535 DEV_STAT_SCSI_LU_ATTR_RO(num_cmds);
536
537 static ssize_t target_stat_scsi_lu_show_attr_read_mbytes(
538         struct se_dev_stat_grps *sgrps, char *page)
539 {
540         struct se_subsystem_dev *se_subdev = container_of(sgrps,
541                         struct se_subsystem_dev, dev_stat_grps);
542         struct se_device *dev = se_subdev->se_dev_ptr;
543
544         if (!dev)
545                 return -ENODEV;
546
547         /* scsiLuReadMegaBytes */
548         return snprintf(page, PAGE_SIZE, "%u\n", (u32)(dev->read_bytes >> 20));
549 }
550 DEV_STAT_SCSI_LU_ATTR_RO(read_mbytes);
551
552 static ssize_t target_stat_scsi_lu_show_attr_write_mbytes(
553         struct se_dev_stat_grps *sgrps, char *page)
554 {
555         struct se_subsystem_dev *se_subdev = container_of(sgrps,
556                         struct se_subsystem_dev, dev_stat_grps);
557         struct se_device *dev = se_subdev->se_dev_ptr;
558
559         if (!dev)
560                 return -ENODEV;
561
562         /* scsiLuWrittenMegaBytes */
563         return snprintf(page, PAGE_SIZE, "%u\n", (u32)(dev->write_bytes >> 20));
564 }
565 DEV_STAT_SCSI_LU_ATTR_RO(write_mbytes);
566
567 static ssize_t target_stat_scsi_lu_show_attr_resets(
568         struct se_dev_stat_grps *sgrps, char *page)
569 {
570         struct se_subsystem_dev *se_subdev = container_of(sgrps,
571                         struct se_subsystem_dev, dev_stat_grps);
572         struct se_device *dev = se_subdev->se_dev_ptr;
573
574         if (!dev)
575                 return -ENODEV;
576
577         /* scsiLuInResets */
578         return snprintf(page, PAGE_SIZE, "%u\n", dev->num_resets);
579 }
580 DEV_STAT_SCSI_LU_ATTR_RO(resets);
581
582 static ssize_t target_stat_scsi_lu_show_attr_full_stat(
583         struct se_dev_stat_grps *sgrps, char *page)
584 {
585         struct se_subsystem_dev *se_subdev = container_of(sgrps,
586                         struct se_subsystem_dev, dev_stat_grps);
587         struct se_device *dev = se_subdev->se_dev_ptr;
588
589         if (!dev)
590                 return -ENODEV;
591
592         /* FIXME: scsiLuOutTaskSetFullStatus */
593         return snprintf(page, PAGE_SIZE, "%u\n", 0);
594 }
595 DEV_STAT_SCSI_LU_ATTR_RO(full_stat);
596
597 static ssize_t target_stat_scsi_lu_show_attr_hs_num_cmds(
598         struct se_dev_stat_grps *sgrps, char *page)
599 {
600         struct se_subsystem_dev *se_subdev = container_of(sgrps,
601                         struct se_subsystem_dev, dev_stat_grps);
602         struct se_device *dev = se_subdev->se_dev_ptr;
603
604         if (!dev)
605                 return -ENODEV;
606
607         /* FIXME: scsiLuHSInCommands */
608         return snprintf(page, PAGE_SIZE, "%u\n", 0);
609 }
610 DEV_STAT_SCSI_LU_ATTR_RO(hs_num_cmds);
611
612 static ssize_t target_stat_scsi_lu_show_attr_creation_time(
613         struct se_dev_stat_grps *sgrps, char *page)
614 {
615         struct se_subsystem_dev *se_subdev = container_of(sgrps,
616                         struct se_subsystem_dev, dev_stat_grps);
617         struct se_device *dev = se_subdev->se_dev_ptr;
618
619         if (!dev)
620                 return -ENODEV;
621
622         /* scsiLuCreationTime */
623         return snprintf(page, PAGE_SIZE, "%u\n", (u32)(((u32)dev->creation_time -
624                                 INITIAL_JIFFIES) * 100 / HZ));
625 }
626 DEV_STAT_SCSI_LU_ATTR_RO(creation_time);
627
628 CONFIGFS_EATTR_OPS(target_stat_scsi_lu, se_dev_stat_grps, scsi_lu_group);
629
630 static struct configfs_attribute *target_stat_scsi_lu_attrs[] = {
631         &target_stat_scsi_lu_inst.attr,
632         &target_stat_scsi_lu_dev.attr,
633         &target_stat_scsi_lu_indx.attr,
634         &target_stat_scsi_lu_lun.attr,
635         &target_stat_scsi_lu_lu_name.attr,
636         &target_stat_scsi_lu_vend.attr,
637         &target_stat_scsi_lu_prod.attr,
638         &target_stat_scsi_lu_rev.attr,
639         &target_stat_scsi_lu_dev_type.attr,
640         &target_stat_scsi_lu_status.attr,
641         &target_stat_scsi_lu_state_bit.attr,
642         &target_stat_scsi_lu_num_cmds.attr,
643         &target_stat_scsi_lu_read_mbytes.attr,
644         &target_stat_scsi_lu_write_mbytes.attr,
645         &target_stat_scsi_lu_resets.attr,
646         &target_stat_scsi_lu_full_stat.attr,
647         &target_stat_scsi_lu_hs_num_cmds.attr,
648         &target_stat_scsi_lu_creation_time.attr,
649         NULL,
650 };
651
652 static struct configfs_item_operations target_stat_scsi_lu_attrib_ops = {
653         .show_attribute         = target_stat_scsi_lu_attr_show,
654         .store_attribute        = target_stat_scsi_lu_attr_store,
655 };
656
657 static struct config_item_type target_stat_scsi_lu_cit = {
658         .ct_item_ops            = &target_stat_scsi_lu_attrib_ops,
659         .ct_attrs               = target_stat_scsi_lu_attrs,
660         .ct_owner               = THIS_MODULE,
661 };
662
663 /*
664  * Called from target_core_configfs.c:target_core_make_subdev() to setup
665  * the target statistics groups + configfs CITs located in target_core_stat.c
666  */
667 void target_stat_setup_dev_default_groups(struct se_subsystem_dev *se_subdev)
668 {
669         struct config_group *dev_stat_grp = &se_subdev->dev_stat_grps.stat_group;
670
671         config_group_init_type_name(&se_subdev->dev_stat_grps.scsi_dev_group,
672                         "scsi_dev", &target_stat_scsi_dev_cit);
673         config_group_init_type_name(&se_subdev->dev_stat_grps.scsi_tgt_dev_group,
674                         "scsi_tgt_dev", &target_stat_scsi_tgt_dev_cit);
675         config_group_init_type_name(&se_subdev->dev_stat_grps.scsi_lu_group,
676                         "scsi_lu", &target_stat_scsi_lu_cit);
677
678         dev_stat_grp->default_groups[0] = &se_subdev->dev_stat_grps.scsi_dev_group;
679         dev_stat_grp->default_groups[1] = &se_subdev->dev_stat_grps.scsi_tgt_dev_group;
680         dev_stat_grp->default_groups[2] = &se_subdev->dev_stat_grps.scsi_lu_group;
681         dev_stat_grp->default_groups[3] = NULL;
682 }
683
684 /*
685  * SCSI Port Table
686  */
687
688 CONFIGFS_EATTR_STRUCT(target_stat_scsi_port, se_port_stat_grps);
689 #define DEV_STAT_SCSI_PORT_ATTR(_name, _mode)                           \
690 static struct target_stat_scsi_port_attribute                           \
691                         target_stat_scsi_port_##_name =                 \
692         __CONFIGFS_EATTR(_name, _mode,                                  \
693         target_stat_scsi_port_show_attr_##_name,                        \
694         target_stat_scsi_port_store_attr_##_name);
695
696 #define DEV_STAT_SCSI_PORT_ATTR_RO(_name)                               \
697 static struct target_stat_scsi_port_attribute                           \
698                         target_stat_scsi_port_##_name =                 \
699         __CONFIGFS_EATTR_RO(_name,                                      \
700         target_stat_scsi_port_show_attr_##_name);
701
702 static ssize_t target_stat_scsi_port_show_attr_inst(
703         struct se_port_stat_grps *pgrps, char *page)
704 {
705         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
706         struct se_port *sep;
707         struct se_device *dev = lun->lun_se_dev;
708         struct se_hba *hba;
709         ssize_t ret;
710
711         spin_lock(&lun->lun_sep_lock);
712         sep = lun->lun_sep;
713         if (!sep) {
714                 spin_unlock(&lun->lun_sep_lock);
715                 return -ENODEV;
716         }
717         hba = dev->se_hba;
718         ret = snprintf(page, PAGE_SIZE, "%u\n", hba->hba_index);
719         spin_unlock(&lun->lun_sep_lock);
720         return ret;
721 }
722 DEV_STAT_SCSI_PORT_ATTR_RO(inst);
723
724 static ssize_t target_stat_scsi_port_show_attr_dev(
725         struct se_port_stat_grps *pgrps, char *page)
726 {
727         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
728         struct se_port *sep;
729         struct se_device *dev = lun->lun_se_dev;
730         ssize_t ret;
731
732         spin_lock(&lun->lun_sep_lock);
733         sep = lun->lun_sep;
734         if (!sep) {
735                 spin_unlock(&lun->lun_sep_lock);
736                 return -ENODEV;
737         }
738         ret = snprintf(page, PAGE_SIZE, "%u\n", dev->dev_index);
739         spin_unlock(&lun->lun_sep_lock);
740         return ret;
741 }
742 DEV_STAT_SCSI_PORT_ATTR_RO(dev);
743
744 static ssize_t target_stat_scsi_port_show_attr_indx(
745         struct se_port_stat_grps *pgrps, char *page)
746 {
747         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
748         struct se_port *sep;
749         ssize_t ret;
750
751         spin_lock(&lun->lun_sep_lock);
752         sep = lun->lun_sep;
753         if (!sep) {
754                 spin_unlock(&lun->lun_sep_lock);
755                 return -ENODEV;
756         }
757         ret = snprintf(page, PAGE_SIZE, "%u\n", sep->sep_index);
758         spin_unlock(&lun->lun_sep_lock);
759         return ret;
760 }
761 DEV_STAT_SCSI_PORT_ATTR_RO(indx);
762
763 static ssize_t target_stat_scsi_port_show_attr_role(
764         struct se_port_stat_grps *pgrps, char *page)
765 {
766         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
767         struct se_device *dev = lun->lun_se_dev;
768         struct se_port *sep;
769         ssize_t ret;
770
771         if (!dev)
772                 return -ENODEV;
773
774         spin_lock(&lun->lun_sep_lock);
775         sep = lun->lun_sep;
776         if (!sep) {
777                 spin_unlock(&lun->lun_sep_lock);
778                 return -ENODEV;
779         }
780         ret = snprintf(page, PAGE_SIZE, "%s%u\n", "Device", dev->dev_index);
781         spin_unlock(&lun->lun_sep_lock);
782         return ret;
783 }
784 DEV_STAT_SCSI_PORT_ATTR_RO(role);
785
786 static ssize_t target_stat_scsi_port_show_attr_busy_count(
787         struct se_port_stat_grps *pgrps, char *page)
788 {
789         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
790         struct se_port *sep;
791         ssize_t ret;
792
793         spin_lock(&lun->lun_sep_lock);
794         sep = lun->lun_sep;
795         if (!sep) {
796                 spin_unlock(&lun->lun_sep_lock);
797                 return -ENODEV;
798         }
799         /* FIXME: scsiPortBusyStatuses  */
800         ret = snprintf(page, PAGE_SIZE, "%u\n", 0);
801         spin_unlock(&lun->lun_sep_lock);
802         return ret;
803 }
804 DEV_STAT_SCSI_PORT_ATTR_RO(busy_count);
805
806 CONFIGFS_EATTR_OPS(target_stat_scsi_port, se_port_stat_grps, scsi_port_group);
807
808 static struct configfs_attribute *target_stat_scsi_port_attrs[] = {
809         &target_stat_scsi_port_inst.attr,
810         &target_stat_scsi_port_dev.attr,
811         &target_stat_scsi_port_indx.attr,
812         &target_stat_scsi_port_role.attr,
813         &target_stat_scsi_port_busy_count.attr,
814         NULL,
815 };
816
817 static struct configfs_item_operations target_stat_scsi_port_attrib_ops = {
818         .show_attribute         = target_stat_scsi_port_attr_show,
819         .store_attribute        = target_stat_scsi_port_attr_store,
820 };
821
822 static struct config_item_type target_stat_scsi_port_cit = {
823         .ct_item_ops            = &target_stat_scsi_port_attrib_ops,
824         .ct_attrs               = target_stat_scsi_port_attrs,
825         .ct_owner               = THIS_MODULE,
826 };
827
828 /*
829  * SCSI Target Port Table
830  */
831 CONFIGFS_EATTR_STRUCT(target_stat_scsi_tgt_port, se_port_stat_grps);
832 #define DEV_STAT_SCSI_TGT_PORT_ATTR(_name, _mode)                       \
833 static struct target_stat_scsi_tgt_port_attribute                       \
834                         target_stat_scsi_tgt_port_##_name =             \
835         __CONFIGFS_EATTR(_name, _mode,                                  \
836         target_stat_scsi_tgt_port_show_attr_##_name,                    \
837         target_stat_scsi_tgt_port_store_attr_##_name);
838
839 #define DEV_STAT_SCSI_TGT_PORT_ATTR_RO(_name)                           \
840 static struct target_stat_scsi_tgt_port_attribute                       \
841                         target_stat_scsi_tgt_port_##_name =             \
842         __CONFIGFS_EATTR_RO(_name,                                      \
843         target_stat_scsi_tgt_port_show_attr_##_name);
844
845 static ssize_t target_stat_scsi_tgt_port_show_attr_inst(
846         struct se_port_stat_grps *pgrps, char *page)
847 {
848         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
849         struct se_device *dev = lun->lun_se_dev;
850         struct se_port *sep;
851         struct se_hba *hba;
852         ssize_t ret;
853
854         spin_lock(&lun->lun_sep_lock);
855         sep = lun->lun_sep;
856         if (!sep) {
857                 spin_unlock(&lun->lun_sep_lock);
858                 return -ENODEV;
859         }
860         hba = dev->se_hba;
861         ret = snprintf(page, PAGE_SIZE, "%u\n", hba->hba_index);
862         spin_unlock(&lun->lun_sep_lock);
863         return ret;
864 }
865 DEV_STAT_SCSI_TGT_PORT_ATTR_RO(inst);
866
867 static ssize_t target_stat_scsi_tgt_port_show_attr_dev(
868         struct se_port_stat_grps *pgrps, char *page)
869 {
870         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
871         struct se_device *dev = lun->lun_se_dev;
872         struct se_port *sep;
873         ssize_t ret;
874
875         spin_lock(&lun->lun_sep_lock);
876         sep = lun->lun_sep;
877         if (!sep) {
878                 spin_unlock(&lun->lun_sep_lock);
879                 return -ENODEV;
880         }
881         ret = snprintf(page, PAGE_SIZE, "%u\n", dev->dev_index);
882         spin_unlock(&lun->lun_sep_lock);
883         return ret;
884 }
885 DEV_STAT_SCSI_TGT_PORT_ATTR_RO(dev);
886
887 static ssize_t target_stat_scsi_tgt_port_show_attr_indx(
888         struct se_port_stat_grps *pgrps, char *page)
889 {
890         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
891         struct se_port *sep;
892         ssize_t ret;
893
894         spin_lock(&lun->lun_sep_lock);
895         sep = lun->lun_sep;
896         if (!sep) {
897                 spin_unlock(&lun->lun_sep_lock);
898                 return -ENODEV;
899         }
900         ret = snprintf(page, PAGE_SIZE, "%u\n", sep->sep_index);
901         spin_unlock(&lun->lun_sep_lock);
902         return ret;
903 }
904 DEV_STAT_SCSI_TGT_PORT_ATTR_RO(indx);
905
906 static ssize_t target_stat_scsi_tgt_port_show_attr_name(
907         struct se_port_stat_grps *pgrps, char *page)
908 {
909         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
910         struct se_port *sep;
911         struct se_portal_group *tpg;
912         ssize_t ret;
913
914         spin_lock(&lun->lun_sep_lock);
915         sep = lun->lun_sep;
916         if (!sep) {
917                 spin_unlock(&lun->lun_sep_lock);
918                 return -ENODEV;
919         }
920         tpg = sep->sep_tpg;
921
922         ret = snprintf(page, PAGE_SIZE, "%sPort#%u\n",
923                 tpg->se_tpg_tfo->get_fabric_name(), sep->sep_index);
924         spin_unlock(&lun->lun_sep_lock);
925         return ret;
926 }
927 DEV_STAT_SCSI_TGT_PORT_ATTR_RO(name);
928
929 static ssize_t target_stat_scsi_tgt_port_show_attr_port_index(
930         struct se_port_stat_grps *pgrps, char *page)
931 {
932         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
933         struct se_port *sep;
934         struct se_portal_group *tpg;
935         ssize_t ret;
936
937         spin_lock(&lun->lun_sep_lock);
938         sep = lun->lun_sep;
939         if (!sep) {
940                 spin_unlock(&lun->lun_sep_lock);
941                 return -ENODEV;
942         }
943         tpg = sep->sep_tpg;
944
945         ret = snprintf(page, PAGE_SIZE, "%s%s%d\n",
946                 tpg->se_tpg_tfo->tpg_get_wwn(tpg), "+t+",
947                 tpg->se_tpg_tfo->tpg_get_tag(tpg));
948         spin_unlock(&lun->lun_sep_lock);
949         return ret;
950 }
951 DEV_STAT_SCSI_TGT_PORT_ATTR_RO(port_index);
952
953 static ssize_t target_stat_scsi_tgt_port_show_attr_in_cmds(
954         struct se_port_stat_grps *pgrps, char *page)
955 {
956         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
957         struct se_port *sep;
958         struct se_portal_group *tpg;
959         ssize_t ret;
960
961         spin_lock(&lun->lun_sep_lock);
962         sep = lun->lun_sep;
963         if (!sep) {
964                 spin_unlock(&lun->lun_sep_lock);
965                 return -ENODEV;
966         }
967         tpg = sep->sep_tpg;
968
969         ret = snprintf(page, PAGE_SIZE, "%llu\n", sep->sep_stats.cmd_pdus);
970         spin_unlock(&lun->lun_sep_lock);
971         return ret;
972 }
973 DEV_STAT_SCSI_TGT_PORT_ATTR_RO(in_cmds);
974
975 static ssize_t target_stat_scsi_tgt_port_show_attr_write_mbytes(
976         struct se_port_stat_grps *pgrps, char *page)
977 {
978         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
979         struct se_port *sep;
980         struct se_portal_group *tpg;
981         ssize_t ret;
982
983         spin_lock(&lun->lun_sep_lock);
984         sep = lun->lun_sep;
985         if (!sep) {
986                 spin_unlock(&lun->lun_sep_lock);
987                 return -ENODEV;
988         }
989         tpg = sep->sep_tpg;
990
991         ret = snprintf(page, PAGE_SIZE, "%u\n",
992                         (u32)(sep->sep_stats.rx_data_octets >> 20));
993         spin_unlock(&lun->lun_sep_lock);
994         return ret;
995 }
996 DEV_STAT_SCSI_TGT_PORT_ATTR_RO(write_mbytes);
997
998 static ssize_t target_stat_scsi_tgt_port_show_attr_read_mbytes(
999         struct se_port_stat_grps *pgrps, char *page)
1000 {
1001         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
1002         struct se_port *sep;
1003         struct se_portal_group *tpg;
1004         ssize_t ret;
1005
1006         spin_lock(&lun->lun_sep_lock);
1007         sep = lun->lun_sep;
1008         if (!sep) {
1009                 spin_unlock(&lun->lun_sep_lock);
1010                 return -ENODEV;
1011         }
1012         tpg = sep->sep_tpg;
1013
1014         ret = snprintf(page, PAGE_SIZE, "%u\n",
1015                         (u32)(sep->sep_stats.tx_data_octets >> 20));
1016         spin_unlock(&lun->lun_sep_lock);
1017         return ret;
1018 }
1019 DEV_STAT_SCSI_TGT_PORT_ATTR_RO(read_mbytes);
1020
1021 static ssize_t target_stat_scsi_tgt_port_show_attr_hs_in_cmds(
1022         struct se_port_stat_grps *pgrps, char *page)
1023 {
1024         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
1025         struct se_port *sep;
1026         struct se_portal_group *tpg;
1027         ssize_t ret;
1028
1029         spin_lock(&lun->lun_sep_lock);
1030         sep = lun->lun_sep;
1031         if (!sep) {
1032                 spin_unlock(&lun->lun_sep_lock);
1033                 return -ENODEV;
1034         }
1035         tpg = sep->sep_tpg;
1036
1037         /* FIXME: scsiTgtPortHsInCommands */
1038         ret = snprintf(page, PAGE_SIZE, "%u\n", 0);
1039         spin_unlock(&lun->lun_sep_lock);
1040         return ret;
1041 }
1042 DEV_STAT_SCSI_TGT_PORT_ATTR_RO(hs_in_cmds);
1043
1044 CONFIGFS_EATTR_OPS(target_stat_scsi_tgt_port, se_port_stat_grps,
1045                 scsi_tgt_port_group);
1046
1047 static struct configfs_attribute *target_stat_scsi_tgt_port_attrs[] = {
1048         &target_stat_scsi_tgt_port_inst.attr,
1049         &target_stat_scsi_tgt_port_dev.attr,
1050         &target_stat_scsi_tgt_port_indx.attr,
1051         &target_stat_scsi_tgt_port_name.attr,
1052         &target_stat_scsi_tgt_port_port_index.attr,
1053         &target_stat_scsi_tgt_port_in_cmds.attr,
1054         &target_stat_scsi_tgt_port_write_mbytes.attr,
1055         &target_stat_scsi_tgt_port_read_mbytes.attr,
1056         &target_stat_scsi_tgt_port_hs_in_cmds.attr,
1057         NULL,
1058 };
1059
1060 static struct configfs_item_operations target_stat_scsi_tgt_port_attrib_ops = {
1061         .show_attribute         = target_stat_scsi_tgt_port_attr_show,
1062         .store_attribute        = target_stat_scsi_tgt_port_attr_store,
1063 };
1064
1065 static struct config_item_type target_stat_scsi_tgt_port_cit = {
1066         .ct_item_ops            = &target_stat_scsi_tgt_port_attrib_ops,
1067         .ct_attrs               = target_stat_scsi_tgt_port_attrs,
1068         .ct_owner               = THIS_MODULE,
1069 };
1070
1071 /*
1072  * SCSI Transport Table
1073 o */
1074
1075 CONFIGFS_EATTR_STRUCT(target_stat_scsi_transport, se_port_stat_grps);
1076 #define DEV_STAT_SCSI_TRANSPORT_ATTR(_name, _mode)                      \
1077 static struct target_stat_scsi_transport_attribute                      \
1078                         target_stat_scsi_transport_##_name =            \
1079         __CONFIGFS_EATTR(_name, _mode,                                  \
1080         target_stat_scsi_transport_show_attr_##_name,                   \
1081         target_stat_scsi_transport_store_attr_##_name);
1082
1083 #define DEV_STAT_SCSI_TRANSPORT_ATTR_RO(_name)                          \
1084 static struct target_stat_scsi_transport_attribute                      \
1085                         target_stat_scsi_transport_##_name =            \
1086         __CONFIGFS_EATTR_RO(_name,                                      \
1087         target_stat_scsi_transport_show_attr_##_name);
1088
1089 static ssize_t target_stat_scsi_transport_show_attr_inst(
1090         struct se_port_stat_grps *pgrps, char *page)
1091 {
1092         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
1093         struct se_device *dev = lun->lun_se_dev;
1094         struct se_port *sep;
1095         struct se_hba *hba;
1096         ssize_t ret;
1097
1098         spin_lock(&lun->lun_sep_lock);
1099         sep = lun->lun_sep;
1100         if (!sep) {
1101                 spin_unlock(&lun->lun_sep_lock);
1102                 return -ENODEV;
1103         }
1104
1105         hba = dev->se_hba;
1106         ret = snprintf(page, PAGE_SIZE, "%u\n", hba->hba_index);
1107         spin_unlock(&lun->lun_sep_lock);
1108         return ret;
1109 }
1110 DEV_STAT_SCSI_TRANSPORT_ATTR_RO(inst);
1111
1112 static ssize_t target_stat_scsi_transport_show_attr_device(
1113         struct se_port_stat_grps *pgrps, char *page)
1114 {
1115         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
1116         struct se_port *sep;
1117         struct se_portal_group *tpg;
1118         ssize_t ret;
1119
1120         spin_lock(&lun->lun_sep_lock);
1121         sep = lun->lun_sep;
1122         if (!sep) {
1123                 spin_unlock(&lun->lun_sep_lock);
1124                 return -ENODEV;
1125         }
1126         tpg = sep->sep_tpg;
1127         /* scsiTransportType */
1128         ret = snprintf(page, PAGE_SIZE, "scsiTransport%s\n",
1129                         tpg->se_tpg_tfo->get_fabric_name());
1130         spin_unlock(&lun->lun_sep_lock);
1131         return ret;
1132 }
1133 DEV_STAT_SCSI_TRANSPORT_ATTR_RO(device);
1134
1135 static ssize_t target_stat_scsi_transport_show_attr_indx(
1136         struct se_port_stat_grps *pgrps, char *page)
1137 {
1138         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
1139         struct se_port *sep;
1140         struct se_portal_group *tpg;
1141         ssize_t ret;
1142
1143         spin_lock(&lun->lun_sep_lock);
1144         sep = lun->lun_sep;
1145         if (!sep) {
1146                 spin_unlock(&lun->lun_sep_lock);
1147                 return -ENODEV;
1148         }
1149         tpg = sep->sep_tpg;
1150         ret = snprintf(page, PAGE_SIZE, "%u\n",
1151                         tpg->se_tpg_tfo->tpg_get_inst_index(tpg));
1152         spin_unlock(&lun->lun_sep_lock);
1153         return ret;
1154 }
1155 DEV_STAT_SCSI_TRANSPORT_ATTR_RO(indx);
1156
1157 static ssize_t target_stat_scsi_transport_show_attr_dev_name(
1158         struct se_port_stat_grps *pgrps, char *page)
1159 {
1160         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
1161         struct se_device *dev = lun->lun_se_dev;
1162         struct se_port *sep;
1163         struct se_portal_group *tpg;
1164         struct t10_wwn *wwn;
1165         ssize_t ret;
1166
1167         spin_lock(&lun->lun_sep_lock);
1168         sep = lun->lun_sep;
1169         if (!sep) {
1170                 spin_unlock(&lun->lun_sep_lock);
1171                 return -ENODEV;
1172         }
1173         tpg = sep->sep_tpg;
1174         wwn = &dev->se_sub_dev->t10_wwn;
1175         /* scsiTransportDevName */
1176         ret = snprintf(page, PAGE_SIZE, "%s+%s\n",
1177                         tpg->se_tpg_tfo->tpg_get_wwn(tpg),
1178                         (strlen(wwn->unit_serial)) ? wwn->unit_serial :
1179                         wwn->vendor);
1180         spin_unlock(&lun->lun_sep_lock);
1181         return ret;
1182 }
1183 DEV_STAT_SCSI_TRANSPORT_ATTR_RO(dev_name);
1184
1185 CONFIGFS_EATTR_OPS(target_stat_scsi_transport, se_port_stat_grps,
1186                 scsi_transport_group);
1187
1188 static struct configfs_attribute *target_stat_scsi_transport_attrs[] = {
1189         &target_stat_scsi_transport_inst.attr,
1190         &target_stat_scsi_transport_device.attr,
1191         &target_stat_scsi_transport_indx.attr,
1192         &target_stat_scsi_transport_dev_name.attr,
1193         NULL,
1194 };
1195
1196 static struct configfs_item_operations target_stat_scsi_transport_attrib_ops = {
1197         .show_attribute         = target_stat_scsi_transport_attr_show,
1198         .store_attribute        = target_stat_scsi_transport_attr_store,
1199 };
1200
1201 static struct config_item_type target_stat_scsi_transport_cit = {
1202         .ct_item_ops            = &target_stat_scsi_transport_attrib_ops,
1203         .ct_attrs               = target_stat_scsi_transport_attrs,
1204         .ct_owner               = THIS_MODULE,
1205 };
1206
1207 /*
1208  * Called from target_core_fabric_configfs.c:target_fabric_make_lun() to setup
1209  * the target port statistics groups + configfs CITs located in target_core_stat.c
1210  */
1211 void target_stat_setup_port_default_groups(struct se_lun *lun)
1212 {
1213         struct config_group *port_stat_grp = &lun->port_stat_grps.stat_group;
1214
1215         config_group_init_type_name(&lun->port_stat_grps.scsi_port_group,
1216                         "scsi_port", &target_stat_scsi_port_cit);
1217         config_group_init_type_name(&lun->port_stat_grps.scsi_tgt_port_group,
1218                         "scsi_tgt_port", &target_stat_scsi_tgt_port_cit);
1219         config_group_init_type_name(&lun->port_stat_grps.scsi_transport_group,
1220                         "scsi_transport", &target_stat_scsi_transport_cit);
1221
1222         port_stat_grp->default_groups[0] = &lun->port_stat_grps.scsi_port_group;
1223         port_stat_grp->default_groups[1] = &lun->port_stat_grps.scsi_tgt_port_group;
1224         port_stat_grp->default_groups[2] = &lun->port_stat_grps.scsi_transport_group;
1225         port_stat_grp->default_groups[3] = NULL;
1226 }
1227
1228 /*
1229  * SCSI Authorized Initiator Table
1230  */
1231
1232 CONFIGFS_EATTR_STRUCT(target_stat_scsi_auth_intr, se_ml_stat_grps);
1233 #define DEV_STAT_SCSI_AUTH_INTR_ATTR(_name, _mode)                      \
1234 static struct target_stat_scsi_auth_intr_attribute                      \
1235                         target_stat_scsi_auth_intr_##_name =            \
1236         __CONFIGFS_EATTR(_name, _mode,                                  \
1237         target_stat_scsi_auth_intr_show_attr_##_name,                   \
1238         target_stat_scsi_auth_intr_store_attr_##_name);
1239
1240 #define DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(_name)                          \
1241 static struct target_stat_scsi_auth_intr_attribute                      \
1242                         target_stat_scsi_auth_intr_##_name =            \
1243         __CONFIGFS_EATTR_RO(_name,                                      \
1244         target_stat_scsi_auth_intr_show_attr_##_name);
1245
1246 static ssize_t target_stat_scsi_auth_intr_show_attr_inst(
1247         struct se_ml_stat_grps *lgrps, char *page)
1248 {
1249         struct se_lun_acl *lacl = container_of(lgrps,
1250                         struct se_lun_acl, ml_stat_grps);
1251         struct se_node_acl *nacl = lacl->se_lun_nacl;
1252         struct se_dev_entry *deve;
1253         struct se_portal_group *tpg;
1254         ssize_t ret;
1255
1256         spin_lock_irq(&nacl->device_list_lock);
1257         deve = &nacl->device_list[lacl->mapped_lun];
1258         if (!deve->se_lun || !deve->se_lun_acl) {
1259                 spin_unlock_irq(&nacl->device_list_lock);
1260                 return -ENODEV;
1261         }
1262         tpg = nacl->se_tpg;
1263         /* scsiInstIndex */
1264         ret = snprintf(page, PAGE_SIZE, "%u\n",
1265                         tpg->se_tpg_tfo->tpg_get_inst_index(tpg));
1266         spin_unlock_irq(&nacl->device_list_lock);
1267         return ret;
1268 }
1269 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(inst);
1270
1271 static ssize_t target_stat_scsi_auth_intr_show_attr_dev(
1272         struct se_ml_stat_grps *lgrps, char *page)
1273 {
1274         struct se_lun_acl *lacl = container_of(lgrps,
1275                         struct se_lun_acl, ml_stat_grps);
1276         struct se_node_acl *nacl = lacl->se_lun_nacl;
1277         struct se_dev_entry *deve;
1278         struct se_lun *lun;
1279         struct se_portal_group *tpg;
1280         ssize_t ret;
1281
1282         spin_lock_irq(&nacl->device_list_lock);
1283         deve = &nacl->device_list[lacl->mapped_lun];
1284         if (!deve->se_lun || !deve->se_lun_acl) {
1285                 spin_unlock_irq(&nacl->device_list_lock);
1286                 return -ENODEV;
1287         }
1288         tpg = nacl->se_tpg;
1289         lun = deve->se_lun;
1290         /* scsiDeviceIndex */
1291         ret = snprintf(page, PAGE_SIZE, "%u\n", lun->lun_se_dev->dev_index);
1292         spin_unlock_irq(&nacl->device_list_lock);
1293         return ret;
1294 }
1295 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(dev);
1296
1297 static ssize_t target_stat_scsi_auth_intr_show_attr_port(
1298         struct se_ml_stat_grps *lgrps, char *page)
1299 {
1300         struct se_lun_acl *lacl = container_of(lgrps,
1301                         struct se_lun_acl, ml_stat_grps);
1302         struct se_node_acl *nacl = lacl->se_lun_nacl;
1303         struct se_dev_entry *deve;
1304         struct se_portal_group *tpg;
1305         ssize_t ret;
1306
1307         spin_lock_irq(&nacl->device_list_lock);
1308         deve = &nacl->device_list[lacl->mapped_lun];
1309         if (!deve->se_lun || !deve->se_lun_acl) {
1310                 spin_unlock_irq(&nacl->device_list_lock);
1311                 return -ENODEV;
1312         }
1313         tpg = nacl->se_tpg;
1314         /* scsiAuthIntrTgtPortIndex */
1315         ret = snprintf(page, PAGE_SIZE, "%u\n", tpg->se_tpg_tfo->tpg_get_tag(tpg));
1316         spin_unlock_irq(&nacl->device_list_lock);
1317         return ret;
1318 }
1319 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(port);
1320
1321 static ssize_t target_stat_scsi_auth_intr_show_attr_indx(
1322         struct se_ml_stat_grps *lgrps, char *page)
1323 {
1324         struct se_lun_acl *lacl = container_of(lgrps,
1325                         struct se_lun_acl, ml_stat_grps);
1326         struct se_node_acl *nacl = lacl->se_lun_nacl;
1327         struct se_dev_entry *deve;
1328         ssize_t ret;
1329
1330         spin_lock_irq(&nacl->device_list_lock);
1331         deve = &nacl->device_list[lacl->mapped_lun];
1332         if (!deve->se_lun || !deve->se_lun_acl) {
1333                 spin_unlock_irq(&nacl->device_list_lock);
1334                 return -ENODEV;
1335         }
1336         /* scsiAuthIntrIndex */
1337         ret = snprintf(page, PAGE_SIZE, "%u\n", nacl->acl_index);
1338         spin_unlock_irq(&nacl->device_list_lock);
1339         return ret;
1340 }
1341 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(indx);
1342
1343 static ssize_t target_stat_scsi_auth_intr_show_attr_dev_or_port(
1344         struct se_ml_stat_grps *lgrps, char *page)
1345 {
1346         struct se_lun_acl *lacl = container_of(lgrps,
1347                         struct se_lun_acl, ml_stat_grps);
1348         struct se_node_acl *nacl = lacl->se_lun_nacl;
1349         struct se_dev_entry *deve;
1350         ssize_t ret;
1351
1352         spin_lock_irq(&nacl->device_list_lock);
1353         deve = &nacl->device_list[lacl->mapped_lun];
1354         if (!deve->se_lun || !deve->se_lun_acl) {
1355                 spin_unlock_irq(&nacl->device_list_lock);
1356                 return -ENODEV;
1357         }
1358         /* scsiAuthIntrDevOrPort */
1359         ret = snprintf(page, PAGE_SIZE, "%u\n", 1);
1360         spin_unlock_irq(&nacl->device_list_lock);
1361         return ret;
1362 }
1363 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(dev_or_port);
1364
1365 static ssize_t target_stat_scsi_auth_intr_show_attr_intr_name(
1366         struct se_ml_stat_grps *lgrps, char *page)
1367 {
1368         struct se_lun_acl *lacl = container_of(lgrps,
1369                         struct se_lun_acl, ml_stat_grps);
1370         struct se_node_acl *nacl = lacl->se_lun_nacl;
1371         struct se_dev_entry *deve;
1372         ssize_t ret;
1373
1374         spin_lock_irq(&nacl->device_list_lock);
1375         deve = &nacl->device_list[lacl->mapped_lun];
1376         if (!deve->se_lun || !deve->se_lun_acl) {
1377                 spin_unlock_irq(&nacl->device_list_lock);
1378                 return -ENODEV;
1379         }
1380         /* scsiAuthIntrName */
1381         ret = snprintf(page, PAGE_SIZE, "%s\n", nacl->initiatorname);
1382         spin_unlock_irq(&nacl->device_list_lock);
1383         return ret;
1384 }
1385 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(intr_name);
1386
1387 static ssize_t target_stat_scsi_auth_intr_show_attr_map_indx(
1388         struct se_ml_stat_grps *lgrps, char *page)
1389 {
1390         struct se_lun_acl *lacl = container_of(lgrps,
1391                         struct se_lun_acl, ml_stat_grps);
1392         struct se_node_acl *nacl = lacl->se_lun_nacl;
1393         struct se_dev_entry *deve;
1394         ssize_t ret;
1395
1396         spin_lock_irq(&nacl->device_list_lock);
1397         deve = &nacl->device_list[lacl->mapped_lun];
1398         if (!deve->se_lun || !deve->se_lun_acl) {
1399                 spin_unlock_irq(&nacl->device_list_lock);
1400                 return -ENODEV;
1401         }
1402         /* FIXME: scsiAuthIntrLunMapIndex */
1403         ret = snprintf(page, PAGE_SIZE, "%u\n", 0);
1404         spin_unlock_irq(&nacl->device_list_lock);
1405         return ret;
1406 }
1407 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(map_indx);
1408
1409 static ssize_t target_stat_scsi_auth_intr_show_attr_att_count(
1410         struct se_ml_stat_grps *lgrps, char *page)
1411 {
1412         struct se_lun_acl *lacl = container_of(lgrps,
1413                         struct se_lun_acl, ml_stat_grps);
1414         struct se_node_acl *nacl = lacl->se_lun_nacl;
1415         struct se_dev_entry *deve;
1416         ssize_t ret;
1417
1418         spin_lock_irq(&nacl->device_list_lock);
1419         deve = &nacl->device_list[lacl->mapped_lun];
1420         if (!deve->se_lun || !deve->se_lun_acl) {
1421                 spin_unlock_irq(&nacl->device_list_lock);
1422                 return -ENODEV;
1423         }
1424         /* scsiAuthIntrAttachedTimes */
1425         ret = snprintf(page, PAGE_SIZE, "%u\n", deve->attach_count);
1426         spin_unlock_irq(&nacl->device_list_lock);
1427         return ret;
1428 }
1429 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(att_count);
1430
1431 static ssize_t target_stat_scsi_auth_intr_show_attr_num_cmds(
1432         struct se_ml_stat_grps *lgrps, char *page)
1433 {
1434         struct se_lun_acl *lacl = container_of(lgrps,
1435                         struct se_lun_acl, ml_stat_grps);
1436         struct se_node_acl *nacl = lacl->se_lun_nacl;
1437         struct se_dev_entry *deve;
1438         ssize_t ret;
1439
1440         spin_lock_irq(&nacl->device_list_lock);
1441         deve = &nacl->device_list[lacl->mapped_lun];
1442         if (!deve->se_lun || !deve->se_lun_acl) {
1443                 spin_unlock_irq(&nacl->device_list_lock);
1444                 return -ENODEV;
1445         }
1446         /* scsiAuthIntrOutCommands */
1447         ret = snprintf(page, PAGE_SIZE, "%u\n", deve->total_cmds);
1448         spin_unlock_irq(&nacl->device_list_lock);
1449         return ret;
1450 }
1451 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(num_cmds);
1452
1453 static ssize_t target_stat_scsi_auth_intr_show_attr_read_mbytes(
1454         struct se_ml_stat_grps *lgrps, char *page)
1455 {
1456         struct se_lun_acl *lacl = container_of(lgrps,
1457                         struct se_lun_acl, ml_stat_grps);
1458         struct se_node_acl *nacl = lacl->se_lun_nacl;
1459         struct se_dev_entry *deve;
1460         ssize_t ret;
1461
1462         spin_lock_irq(&nacl->device_list_lock);
1463         deve = &nacl->device_list[lacl->mapped_lun];
1464         if (!deve->se_lun || !deve->se_lun_acl) {
1465                 spin_unlock_irq(&nacl->device_list_lock);
1466                 return -ENODEV;
1467         }
1468         /* scsiAuthIntrReadMegaBytes */
1469         ret = snprintf(page, PAGE_SIZE, "%u\n", (u32)(deve->read_bytes >> 20));
1470         spin_unlock_irq(&nacl->device_list_lock);
1471         return ret;
1472 }
1473 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(read_mbytes);
1474
1475 static ssize_t target_stat_scsi_auth_intr_show_attr_write_mbytes(
1476         struct se_ml_stat_grps *lgrps, char *page)
1477 {
1478         struct se_lun_acl *lacl = container_of(lgrps,
1479                         struct se_lun_acl, ml_stat_grps);
1480         struct se_node_acl *nacl = lacl->se_lun_nacl;
1481         struct se_dev_entry *deve;
1482         ssize_t ret;
1483
1484         spin_lock_irq(&nacl->device_list_lock);
1485         deve = &nacl->device_list[lacl->mapped_lun];
1486         if (!deve->se_lun || !deve->se_lun_acl) {
1487                 spin_unlock_irq(&nacl->device_list_lock);
1488                 return -ENODEV;
1489         }
1490         /* scsiAuthIntrWrittenMegaBytes */
1491         ret = snprintf(page, PAGE_SIZE, "%u\n", (u32)(deve->write_bytes >> 20));
1492         spin_unlock_irq(&nacl->device_list_lock);
1493         return ret;
1494 }
1495 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(write_mbytes);
1496
1497 static ssize_t target_stat_scsi_auth_intr_show_attr_hs_num_cmds(
1498         struct se_ml_stat_grps *lgrps, char *page)
1499 {
1500         struct se_lun_acl *lacl = container_of(lgrps,
1501                         struct se_lun_acl, ml_stat_grps);
1502         struct se_node_acl *nacl = lacl->se_lun_nacl;
1503         struct se_dev_entry *deve;
1504         ssize_t ret;
1505
1506         spin_lock_irq(&nacl->device_list_lock);
1507         deve = &nacl->device_list[lacl->mapped_lun];
1508         if (!deve->se_lun || !deve->se_lun_acl) {
1509                 spin_unlock_irq(&nacl->device_list_lock);
1510                 return -ENODEV;
1511         }
1512         /* FIXME: scsiAuthIntrHSOutCommands */
1513         ret = snprintf(page, PAGE_SIZE, "%u\n", 0);
1514         spin_unlock_irq(&nacl->device_list_lock);
1515         return ret;
1516 }
1517 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(hs_num_cmds);
1518
1519 static ssize_t target_stat_scsi_auth_intr_show_attr_creation_time(
1520         struct se_ml_stat_grps *lgrps, char *page)
1521 {
1522         struct se_lun_acl *lacl = container_of(lgrps,
1523                         struct se_lun_acl, ml_stat_grps);
1524         struct se_node_acl *nacl = lacl->se_lun_nacl;
1525         struct se_dev_entry *deve;
1526         ssize_t ret;
1527
1528         spin_lock_irq(&nacl->device_list_lock);
1529         deve = &nacl->device_list[lacl->mapped_lun];
1530         if (!deve->se_lun || !deve->se_lun_acl) {
1531                 spin_unlock_irq(&nacl->device_list_lock);
1532                 return -ENODEV;
1533         }
1534         /* scsiAuthIntrLastCreation */
1535         ret = snprintf(page, PAGE_SIZE, "%u\n", (u32)(((u32)deve->creation_time -
1536                                 INITIAL_JIFFIES) * 100 / HZ));
1537         spin_unlock_irq(&nacl->device_list_lock);
1538         return ret;
1539 }
1540 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(creation_time);
1541
1542 static ssize_t target_stat_scsi_auth_intr_show_attr_row_status(
1543         struct se_ml_stat_grps *lgrps, char *page)
1544 {
1545         struct se_lun_acl *lacl = container_of(lgrps,
1546                         struct se_lun_acl, ml_stat_grps);
1547         struct se_node_acl *nacl = lacl->se_lun_nacl;
1548         struct se_dev_entry *deve;
1549         ssize_t ret;
1550
1551         spin_lock_irq(&nacl->device_list_lock);
1552         deve = &nacl->device_list[lacl->mapped_lun];
1553         if (!deve->se_lun || !deve->se_lun_acl) {
1554                 spin_unlock_irq(&nacl->device_list_lock);
1555                 return -ENODEV;
1556         }
1557         /* FIXME: scsiAuthIntrRowStatus */
1558         ret = snprintf(page, PAGE_SIZE, "Ready\n");
1559         spin_unlock_irq(&nacl->device_list_lock);
1560         return ret;
1561 }
1562 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(row_status);
1563
1564 CONFIGFS_EATTR_OPS(target_stat_scsi_auth_intr, se_ml_stat_grps,
1565                 scsi_auth_intr_group);
1566
1567 static struct configfs_attribute *target_stat_scsi_auth_intr_attrs[] = {
1568         &target_stat_scsi_auth_intr_inst.attr,
1569         &target_stat_scsi_auth_intr_dev.attr,
1570         &target_stat_scsi_auth_intr_port.attr,
1571         &target_stat_scsi_auth_intr_indx.attr,
1572         &target_stat_scsi_auth_intr_dev_or_port.attr,
1573         &target_stat_scsi_auth_intr_intr_name.attr,
1574         &target_stat_scsi_auth_intr_map_indx.attr,
1575         &target_stat_scsi_auth_intr_att_count.attr,
1576         &target_stat_scsi_auth_intr_num_cmds.attr,
1577         &target_stat_scsi_auth_intr_read_mbytes.attr,
1578         &target_stat_scsi_auth_intr_write_mbytes.attr,
1579         &target_stat_scsi_auth_intr_hs_num_cmds.attr,
1580         &target_stat_scsi_auth_intr_creation_time.attr,
1581         &target_stat_scsi_auth_intr_row_status.attr,
1582         NULL,
1583 };
1584
1585 static struct configfs_item_operations target_stat_scsi_auth_intr_attrib_ops = {
1586         .show_attribute         = target_stat_scsi_auth_intr_attr_show,
1587         .store_attribute        = target_stat_scsi_auth_intr_attr_store,
1588 };
1589
1590 static struct config_item_type target_stat_scsi_auth_intr_cit = {
1591         .ct_item_ops            = &target_stat_scsi_auth_intr_attrib_ops,
1592         .ct_attrs               = target_stat_scsi_auth_intr_attrs,
1593         .ct_owner               = THIS_MODULE,
1594 };
1595
1596 /*
1597  * SCSI Attached Initiator Port Table
1598  */
1599
1600 CONFIGFS_EATTR_STRUCT(target_stat_scsi_att_intr_port, se_ml_stat_grps);
1601 #define DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR(_name, _mode)                 \
1602 static struct target_stat_scsi_att_intr_port_attribute                  \
1603                 target_stat_scsi_att_intr_port_##_name =                \
1604         __CONFIGFS_EATTR(_name, _mode,                                  \
1605         target_stat_scsi_att_intr_port_show_attr_##_name,               \
1606         target_stat_scsi_att_intr_port_store_attr_##_name);
1607
1608 #define DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR_RO(_name)                     \
1609 static struct target_stat_scsi_att_intr_port_attribute                  \
1610                 target_stat_scsi_att_intr_port_##_name =                \
1611         __CONFIGFS_EATTR_RO(_name,                                      \
1612         target_stat_scsi_att_intr_port_show_attr_##_name);
1613
1614 static ssize_t target_stat_scsi_att_intr_port_show_attr_inst(
1615         struct se_ml_stat_grps *lgrps, char *page)
1616 {
1617         struct se_lun_acl *lacl = container_of(lgrps,
1618                         struct se_lun_acl, ml_stat_grps);
1619         struct se_node_acl *nacl = lacl->se_lun_nacl;
1620         struct se_dev_entry *deve;
1621         struct se_portal_group *tpg;
1622         ssize_t ret;
1623
1624         spin_lock_irq(&nacl->device_list_lock);
1625         deve = &nacl->device_list[lacl->mapped_lun];
1626         if (!deve->se_lun || !deve->se_lun_acl) {
1627                 spin_unlock_irq(&nacl->device_list_lock);
1628                 return -ENODEV;
1629         }
1630         tpg = nacl->se_tpg;
1631         /* scsiInstIndex */
1632         ret = snprintf(page, PAGE_SIZE, "%u\n",
1633                         tpg->se_tpg_tfo->tpg_get_inst_index(tpg));
1634         spin_unlock_irq(&nacl->device_list_lock);
1635         return ret;
1636 }
1637 DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR_RO(inst);
1638
1639 static ssize_t target_stat_scsi_att_intr_port_show_attr_dev(
1640         struct se_ml_stat_grps *lgrps, char *page)
1641 {
1642         struct se_lun_acl *lacl = container_of(lgrps,
1643                         struct se_lun_acl, ml_stat_grps);
1644         struct se_node_acl *nacl = lacl->se_lun_nacl;
1645         struct se_dev_entry *deve;
1646         struct se_lun *lun;
1647         struct se_portal_group *tpg;
1648         ssize_t ret;
1649
1650         spin_lock_irq(&nacl->device_list_lock);
1651         deve = &nacl->device_list[lacl->mapped_lun];
1652         if (!deve->se_lun || !deve->se_lun_acl) {
1653                 spin_unlock_irq(&nacl->device_list_lock);
1654                 return -ENODEV;
1655         }
1656         tpg = nacl->se_tpg;
1657         lun = deve->se_lun;
1658         /* scsiDeviceIndex */
1659         ret = snprintf(page, PAGE_SIZE, "%u\n", lun->lun_se_dev->dev_index);
1660         spin_unlock_irq(&nacl->device_list_lock);
1661         return ret;
1662 }
1663 DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR_RO(dev);
1664
1665 static ssize_t target_stat_scsi_att_intr_port_show_attr_port(
1666         struct se_ml_stat_grps *lgrps, char *page)
1667 {
1668         struct se_lun_acl *lacl = container_of(lgrps,
1669                         struct se_lun_acl, ml_stat_grps);
1670         struct se_node_acl *nacl = lacl->se_lun_nacl;
1671         struct se_dev_entry *deve;
1672         struct se_portal_group *tpg;
1673         ssize_t ret;
1674
1675         spin_lock_irq(&nacl->device_list_lock);
1676         deve = &nacl->device_list[lacl->mapped_lun];
1677         if (!deve->se_lun || !deve->se_lun_acl) {
1678                 spin_unlock_irq(&nacl->device_list_lock);
1679                 return -ENODEV;
1680         }
1681         tpg = nacl->se_tpg;
1682         /* scsiPortIndex */
1683         ret = snprintf(page, PAGE_SIZE, "%u\n", tpg->se_tpg_tfo->tpg_get_tag(tpg));
1684         spin_unlock_irq(&nacl->device_list_lock);
1685         return ret;
1686 }
1687 DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR_RO(port);
1688
1689 static ssize_t target_stat_scsi_att_intr_port_show_attr_indx(
1690         struct se_ml_stat_grps *lgrps, char *page)
1691 {
1692         struct se_lun_acl *lacl = container_of(lgrps,
1693                         struct se_lun_acl, ml_stat_grps);
1694         struct se_node_acl *nacl = lacl->se_lun_nacl;
1695         struct se_session *se_sess;
1696         struct se_portal_group *tpg;
1697         ssize_t ret;
1698
1699         spin_lock_irq(&nacl->nacl_sess_lock);
1700         se_sess = nacl->nacl_sess;
1701         if (!se_sess) {
1702                 spin_unlock_irq(&nacl->nacl_sess_lock);
1703                 return -ENODEV;
1704         }
1705
1706         tpg = nacl->se_tpg;
1707         /* scsiAttIntrPortIndex */
1708         ret = snprintf(page, PAGE_SIZE, "%u\n",
1709                         tpg->se_tpg_tfo->sess_get_index(se_sess));
1710         spin_unlock_irq(&nacl->nacl_sess_lock);
1711         return ret;
1712 }
1713 DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR_RO(indx);
1714
1715 static ssize_t target_stat_scsi_att_intr_port_show_attr_port_auth_indx(
1716         struct se_ml_stat_grps *lgrps, char *page)
1717 {
1718         struct se_lun_acl *lacl = container_of(lgrps,
1719                         struct se_lun_acl, ml_stat_grps);
1720         struct se_node_acl *nacl = lacl->se_lun_nacl;
1721         struct se_dev_entry *deve;
1722         ssize_t ret;
1723
1724         spin_lock_irq(&nacl->device_list_lock);
1725         deve = &nacl->device_list[lacl->mapped_lun];
1726         if (!deve->se_lun || !deve->se_lun_acl) {
1727                 spin_unlock_irq(&nacl->device_list_lock);
1728                 return -ENODEV;
1729         }
1730         /* scsiAttIntrPortAuthIntrIdx */
1731         ret = snprintf(page, PAGE_SIZE, "%u\n", nacl->acl_index);
1732         spin_unlock_irq(&nacl->device_list_lock);
1733         return ret;
1734 }
1735 DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR_RO(port_auth_indx);
1736
1737 static ssize_t target_stat_scsi_att_intr_port_show_attr_port_ident(
1738         struct se_ml_stat_grps *lgrps, char *page)
1739 {
1740         struct se_lun_acl *lacl = container_of(lgrps,
1741                         struct se_lun_acl, ml_stat_grps);
1742         struct se_node_acl *nacl = lacl->se_lun_nacl;
1743         struct se_session *se_sess;
1744         struct se_portal_group *tpg;
1745         ssize_t ret;
1746         unsigned char buf[64];
1747
1748         spin_lock_irq(&nacl->nacl_sess_lock);
1749         se_sess = nacl->nacl_sess;
1750         if (!se_sess) {
1751                 spin_unlock_irq(&nacl->nacl_sess_lock);
1752                 return -ENODEV;
1753         }
1754
1755         tpg = nacl->se_tpg;
1756         /* scsiAttIntrPortName+scsiAttIntrPortIdentifier */
1757         memset(buf, 0, 64);
1758         if (tpg->se_tpg_tfo->sess_get_initiator_sid != NULL)
1759                 tpg->se_tpg_tfo->sess_get_initiator_sid(se_sess,
1760                                 (unsigned char *)&buf[0], 64);
1761
1762         ret = snprintf(page, PAGE_SIZE, "%s+i+%s\n", nacl->initiatorname, buf);
1763         spin_unlock_irq(&nacl->nacl_sess_lock);
1764         return ret;
1765 }
1766 DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR_RO(port_ident);
1767
1768 CONFIGFS_EATTR_OPS(target_stat_scsi_att_intr_port, se_ml_stat_grps,
1769                 scsi_att_intr_port_group);
1770
1771 static struct configfs_attribute *target_stat_scsi_ath_intr_port_attrs[] = {
1772         &target_stat_scsi_att_intr_port_inst.attr,
1773         &target_stat_scsi_att_intr_port_dev.attr,
1774         &target_stat_scsi_att_intr_port_port.attr,
1775         &target_stat_scsi_att_intr_port_indx.attr,
1776         &target_stat_scsi_att_intr_port_port_auth_indx.attr,
1777         &target_stat_scsi_att_intr_port_port_ident.attr,
1778         NULL,
1779 };
1780
1781 static struct configfs_item_operations target_stat_scsi_att_intr_port_attrib_ops = {
1782         .show_attribute         = target_stat_scsi_att_intr_port_attr_show,
1783         .store_attribute        = target_stat_scsi_att_intr_port_attr_store,
1784 };
1785
1786 static struct config_item_type target_stat_scsi_att_intr_port_cit = {
1787         .ct_item_ops            = &target_stat_scsi_att_intr_port_attrib_ops,
1788         .ct_attrs               = target_stat_scsi_ath_intr_port_attrs,
1789         .ct_owner               = THIS_MODULE,
1790 };
1791
1792 /*
1793  * Called from target_core_fabric_configfs.c:target_fabric_make_mappedlun() to setup
1794  * the target MappedLUN statistics groups + configfs CITs located in target_core_stat.c
1795  */
1796 void target_stat_setup_mappedlun_default_groups(struct se_lun_acl *lacl)
1797 {
1798         struct config_group *ml_stat_grp = &lacl->ml_stat_grps.stat_group;
1799
1800         config_group_init_type_name(&lacl->ml_stat_grps.scsi_auth_intr_group,
1801                         "scsi_auth_intr", &target_stat_scsi_auth_intr_cit);
1802         config_group_init_type_name(&lacl->ml_stat_grps.scsi_att_intr_port_group,
1803                         "scsi_att_intr_port", &target_stat_scsi_att_intr_port_cit);
1804
1805         ml_stat_grp->default_groups[0] = &lacl->ml_stat_grps.scsi_auth_intr_group;
1806         ml_stat_grp->default_groups[1] = &lacl->ml_stat_grps.scsi_att_intr_port_group;
1807         ml_stat_grp->default_groups[2] = NULL;
1808 }