[SCSI] target: add initial statistics
[linux-3.10.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_T10_WWN(dev)->unit_serial)) ?
406                         (char *)&DEV_T10_WWN(dev)->unit_serial[0] : "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 j;
417         char str[28];
418
419         if (!dev)
420                 return -ENODEV;
421         /* scsiLuVendorId */
422         memcpy(&str[0], (void *)DEV_T10_WWN(dev), 28);
423         for (j = 0; j < 8; j++)
424                 str[j] = ISPRINT(DEV_T10_WWN(dev)->vendor[j]) ?
425                                 DEV_T10_WWN(dev)->vendor[j] : 0x20;
426         str[8] = 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 j;
438         char str[28];
439
440         if (!dev)
441                 return -ENODEV;
442
443         /* scsiLuProductId */
444         memcpy(&str[0], (void *)DEV_T10_WWN(dev), 28);
445         for (j = 0; j < 16; j++)
446                 str[j] = ISPRINT(DEV_T10_WWN(dev)->model[j]) ?
447                                 DEV_T10_WWN(dev)->model[j] : 0x20;
448         str[16] = 0;
449         return snprintf(page, PAGE_SIZE, "%s\n", str);
450 }
451 DEV_STAT_SCSI_LU_ATTR_RO(prod);
452
453 static ssize_t target_stat_scsi_lu_show_attr_rev(
454         struct se_dev_stat_grps *sgrps, char *page)
455 {
456         struct se_subsystem_dev *se_subdev = container_of(sgrps,
457                         struct se_subsystem_dev, dev_stat_grps);
458         struct se_device *dev = se_subdev->se_dev_ptr;
459         int j;
460         char str[28];
461
462         if (!dev)
463                 return -ENODEV;
464
465         /* scsiLuRevisionId */
466         memcpy(&str[0], (void *)DEV_T10_WWN(dev), 28);
467         for (j = 0; j < 4; j++)
468                 str[j] = ISPRINT(DEV_T10_WWN(dev)->revision[j]) ?
469                                 DEV_T10_WWN(dev)->revision[j] : 0x20;
470         str[4] = 0;
471         return snprintf(page, PAGE_SIZE, "%s\n", str);
472 }
473 DEV_STAT_SCSI_LU_ATTR_RO(rev);
474
475 static ssize_t target_stat_scsi_lu_show_attr_dev_type(
476         struct se_dev_stat_grps *sgrps, char *page)
477 {
478         struct se_subsystem_dev *se_subdev = container_of(sgrps,
479                         struct se_subsystem_dev, dev_stat_grps);
480         struct se_device *dev = se_subdev->se_dev_ptr;
481
482         if (!dev)
483                 return -ENODEV;
484
485         /* scsiLuPeripheralType */
486         return snprintf(page, PAGE_SIZE, "%u\n",
487                         TRANSPORT(dev)->get_device_type(dev));
488 }
489 DEV_STAT_SCSI_LU_ATTR_RO(dev_type);
490
491 static ssize_t target_stat_scsi_lu_show_attr_status(
492         struct se_dev_stat_grps *sgrps, char *page)
493 {
494         struct se_subsystem_dev *se_subdev = container_of(sgrps,
495                         struct se_subsystem_dev, dev_stat_grps);
496         struct se_device *dev = se_subdev->se_dev_ptr;
497
498         if (!dev)
499                 return -ENODEV;
500
501         /* scsiLuStatus */
502         return snprintf(page, PAGE_SIZE, "%s\n",
503                 (dev->dev_status == TRANSPORT_DEVICE_ACTIVATED) ?
504                 "available" : "notavailable");
505 }
506 DEV_STAT_SCSI_LU_ATTR_RO(status);
507
508 static ssize_t target_stat_scsi_lu_show_attr_state_bit(
509         struct se_dev_stat_grps *sgrps, char *page)
510 {
511         struct se_subsystem_dev *se_subdev = container_of(sgrps,
512                         struct se_subsystem_dev, dev_stat_grps);
513         struct se_device *dev = se_subdev->se_dev_ptr;
514
515         if (!dev)
516                 return -ENODEV;
517
518         /* scsiLuState */
519         return snprintf(page, PAGE_SIZE, "exposed\n");
520 }
521 DEV_STAT_SCSI_LU_ATTR_RO(state_bit);
522
523 static ssize_t target_stat_scsi_lu_show_attr_num_cmds(
524         struct se_dev_stat_grps *sgrps, char *page)
525 {
526         struct se_subsystem_dev *se_subdev = container_of(sgrps,
527                         struct se_subsystem_dev, dev_stat_grps);
528         struct se_device *dev = se_subdev->se_dev_ptr;
529
530         if (!dev)
531                 return -ENODEV;
532
533         /* scsiLuNumCommands */
534         return snprintf(page, PAGE_SIZE, "%llu\n",
535                         (unsigned long long)dev->num_cmds);
536 }
537 DEV_STAT_SCSI_LU_ATTR_RO(num_cmds);
538
539 static ssize_t target_stat_scsi_lu_show_attr_read_mbytes(
540         struct se_dev_stat_grps *sgrps, char *page)
541 {
542         struct se_subsystem_dev *se_subdev = container_of(sgrps,
543                         struct se_subsystem_dev, dev_stat_grps);
544         struct se_device *dev = se_subdev->se_dev_ptr;
545
546         if (!dev)
547                 return -ENODEV;
548
549         /* scsiLuReadMegaBytes */
550         return snprintf(page, PAGE_SIZE, "%u\n", (u32)(dev->read_bytes >> 20));
551 }
552 DEV_STAT_SCSI_LU_ATTR_RO(read_mbytes);
553
554 static ssize_t target_stat_scsi_lu_show_attr_write_mbytes(
555         struct se_dev_stat_grps *sgrps, char *page)
556 {
557         struct se_subsystem_dev *se_subdev = container_of(sgrps,
558                         struct se_subsystem_dev, dev_stat_grps);
559         struct se_device *dev = se_subdev->se_dev_ptr;
560
561         if (!dev)
562                 return -ENODEV;
563
564         /* scsiLuWrittenMegaBytes */
565         return snprintf(page, PAGE_SIZE, "%u\n", (u32)(dev->write_bytes >> 20));
566 }
567 DEV_STAT_SCSI_LU_ATTR_RO(write_mbytes);
568
569 static ssize_t target_stat_scsi_lu_show_attr_resets(
570         struct se_dev_stat_grps *sgrps, char *page)
571 {
572         struct se_subsystem_dev *se_subdev = container_of(sgrps,
573                         struct se_subsystem_dev, dev_stat_grps);
574         struct se_device *dev = se_subdev->se_dev_ptr;
575
576         if (!dev)
577                 return -ENODEV;
578
579         /* scsiLuInResets */
580         return snprintf(page, PAGE_SIZE, "%u\n", dev->num_resets);
581 }
582 DEV_STAT_SCSI_LU_ATTR_RO(resets);
583
584 static ssize_t target_stat_scsi_lu_show_attr_full_stat(
585         struct se_dev_stat_grps *sgrps, char *page)
586 {
587         struct se_subsystem_dev *se_subdev = container_of(sgrps,
588                         struct se_subsystem_dev, dev_stat_grps);
589         struct se_device *dev = se_subdev->se_dev_ptr;
590
591         if (!dev)
592                 return -ENODEV;
593
594         /* FIXME: scsiLuOutTaskSetFullStatus */
595         return snprintf(page, PAGE_SIZE, "%u\n", 0);
596 }
597 DEV_STAT_SCSI_LU_ATTR_RO(full_stat);
598
599 static ssize_t target_stat_scsi_lu_show_attr_hs_num_cmds(
600         struct se_dev_stat_grps *sgrps, char *page)
601 {
602         struct se_subsystem_dev *se_subdev = container_of(sgrps,
603                         struct se_subsystem_dev, dev_stat_grps);
604         struct se_device *dev = se_subdev->se_dev_ptr;
605
606         if (!dev)
607                 return -ENODEV;
608
609         /* FIXME: scsiLuHSInCommands */
610         return snprintf(page, PAGE_SIZE, "%u\n", 0);
611 }
612 DEV_STAT_SCSI_LU_ATTR_RO(hs_num_cmds);
613
614 static ssize_t target_stat_scsi_lu_show_attr_creation_time(
615         struct se_dev_stat_grps *sgrps, char *page)
616 {
617         struct se_subsystem_dev *se_subdev = container_of(sgrps,
618                         struct se_subsystem_dev, dev_stat_grps);
619         struct se_device *dev = se_subdev->se_dev_ptr;
620
621         if (!dev)
622                 return -ENODEV;
623
624         /* scsiLuCreationTime */
625         return snprintf(page, PAGE_SIZE, "%u\n", (u32)(((u32)dev->creation_time -
626                                 INITIAL_JIFFIES) * 100 / HZ));
627 }
628 DEV_STAT_SCSI_LU_ATTR_RO(creation_time);
629
630 CONFIGFS_EATTR_OPS(target_stat_scsi_lu, se_dev_stat_grps, scsi_lu_group);
631
632 static struct configfs_attribute *target_stat_scsi_lu_attrs[] = {
633         &target_stat_scsi_lu_inst.attr,
634         &target_stat_scsi_lu_dev.attr,
635         &target_stat_scsi_lu_indx.attr,
636         &target_stat_scsi_lu_lun.attr,
637         &target_stat_scsi_lu_lu_name.attr,
638         &target_stat_scsi_lu_vend.attr,
639         &target_stat_scsi_lu_prod.attr,
640         &target_stat_scsi_lu_rev.attr,
641         &target_stat_scsi_lu_dev_type.attr,
642         &target_stat_scsi_lu_status.attr,
643         &target_stat_scsi_lu_state_bit.attr,
644         &target_stat_scsi_lu_num_cmds.attr,
645         &target_stat_scsi_lu_read_mbytes.attr,
646         &target_stat_scsi_lu_write_mbytes.attr,
647         &target_stat_scsi_lu_resets.attr,
648         &target_stat_scsi_lu_full_stat.attr,
649         &target_stat_scsi_lu_hs_num_cmds.attr,
650         &target_stat_scsi_lu_creation_time.attr,
651         NULL,
652 };
653
654 static struct configfs_item_operations target_stat_scsi_lu_attrib_ops = {
655         .show_attribute         = target_stat_scsi_lu_attr_show,
656         .store_attribute        = target_stat_scsi_lu_attr_store,
657 };
658
659 static struct config_item_type target_stat_scsi_lu_cit = {
660         .ct_item_ops            = &target_stat_scsi_lu_attrib_ops,
661         .ct_attrs               = target_stat_scsi_lu_attrs,
662         .ct_owner               = THIS_MODULE,
663 };
664
665 /*
666  * Called from target_core_configfs.c:target_core_make_subdev() to setup
667  * the target statistics groups + configfs CITs located in target_core_stat.c
668  */
669 void target_stat_setup_dev_default_groups(struct se_subsystem_dev *se_subdev)
670 {
671         struct config_group *dev_stat_grp = &DEV_STAT_GRP(se_subdev)->stat_group;
672
673         config_group_init_type_name(&DEV_STAT_GRP(se_subdev)->scsi_dev_group,
674                         "scsi_dev", &target_stat_scsi_dev_cit);
675         config_group_init_type_name(&DEV_STAT_GRP(se_subdev)->scsi_tgt_dev_group,
676                         "scsi_tgt_dev", &target_stat_scsi_tgt_dev_cit);
677         config_group_init_type_name(&DEV_STAT_GRP(se_subdev)->scsi_lu_group,
678                         "scsi_lu", &target_stat_scsi_lu_cit);
679
680         dev_stat_grp->default_groups[0] = &DEV_STAT_GRP(se_subdev)->scsi_dev_group;
681         dev_stat_grp->default_groups[1] = &DEV_STAT_GRP(se_subdev)->scsi_tgt_dev_group;
682         dev_stat_grp->default_groups[2] = &DEV_STAT_GRP(se_subdev)->scsi_lu_group;
683         dev_stat_grp->default_groups[3] = NULL;
684 }
685
686 /*
687  * SCSI Port Table
688  */
689
690 CONFIGFS_EATTR_STRUCT(target_stat_scsi_port, se_port_stat_grps);
691 #define DEV_STAT_SCSI_PORT_ATTR(_name, _mode)                           \
692 static struct target_stat_scsi_port_attribute                           \
693                         target_stat_scsi_port_##_name =                 \
694         __CONFIGFS_EATTR(_name, _mode,                                  \
695         target_stat_scsi_port_show_attr_##_name,                        \
696         target_stat_scsi_port_store_attr_##_name);
697
698 #define DEV_STAT_SCSI_PORT_ATTR_RO(_name)                               \
699 static struct target_stat_scsi_port_attribute                           \
700                         target_stat_scsi_port_##_name =                 \
701         __CONFIGFS_EATTR_RO(_name,                                      \
702         target_stat_scsi_port_show_attr_##_name);
703
704 static ssize_t target_stat_scsi_port_show_attr_inst(
705         struct se_port_stat_grps *pgrps, char *page)
706 {
707         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
708         struct se_port *sep;
709         struct se_device *dev = lun->lun_se_dev;
710         struct se_hba *hba;
711         ssize_t ret;
712
713         spin_lock(&lun->lun_sep_lock);
714         sep = lun->lun_sep;
715         if (!sep) {
716                 spin_unlock(&lun->lun_sep_lock);
717                 return -ENODEV;
718         }
719         hba = dev->se_hba;
720         ret = snprintf(page, PAGE_SIZE, "%u\n", hba->hba_index);
721         spin_unlock(&lun->lun_sep_lock);
722         return ret;
723 }
724 DEV_STAT_SCSI_PORT_ATTR_RO(inst);
725
726 static ssize_t target_stat_scsi_port_show_attr_dev(
727         struct se_port_stat_grps *pgrps, char *page)
728 {
729         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
730         struct se_port *sep;
731         struct se_device *dev = lun->lun_se_dev;
732         ssize_t ret;
733
734         spin_lock(&lun->lun_sep_lock);
735         sep = lun->lun_sep;
736         if (!sep) {
737                 spin_unlock(&lun->lun_sep_lock);
738                 return -ENODEV;
739         }
740         ret = snprintf(page, PAGE_SIZE, "%u\n", dev->dev_index);
741         spin_unlock(&lun->lun_sep_lock);
742         return ret;
743 }
744 DEV_STAT_SCSI_PORT_ATTR_RO(dev);
745
746 static ssize_t target_stat_scsi_port_show_attr_indx(
747         struct se_port_stat_grps *pgrps, char *page)
748 {
749         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
750         struct se_port *sep;
751         ssize_t ret;
752
753         spin_lock(&lun->lun_sep_lock);
754         sep = lun->lun_sep;
755         if (!sep) {
756                 spin_unlock(&lun->lun_sep_lock);
757                 return -ENODEV;
758         }
759         ret = snprintf(page, PAGE_SIZE, "%u\n", sep->sep_index);
760         spin_unlock(&lun->lun_sep_lock);
761         return ret;
762 }
763 DEV_STAT_SCSI_PORT_ATTR_RO(indx);
764
765 static ssize_t target_stat_scsi_port_show_attr_role(
766         struct se_port_stat_grps *pgrps, char *page)
767 {
768         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
769         struct se_device *dev = lun->lun_se_dev;
770         struct se_port *sep;
771         ssize_t ret;
772
773         if (!dev)
774                 return -ENODEV;
775
776         spin_lock(&lun->lun_sep_lock);
777         sep = lun->lun_sep;
778         if (!sep) {
779                 spin_unlock(&lun->lun_sep_lock);
780                 return -ENODEV;
781         }
782         ret = snprintf(page, PAGE_SIZE, "%s%u\n", "Device", dev->dev_index);
783         spin_unlock(&lun->lun_sep_lock);
784         return ret;
785 }
786 DEV_STAT_SCSI_PORT_ATTR_RO(role);
787
788 static ssize_t target_stat_scsi_port_show_attr_busy_count(
789         struct se_port_stat_grps *pgrps, char *page)
790 {
791         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
792         struct se_port *sep;
793         ssize_t ret;
794
795         spin_lock(&lun->lun_sep_lock);
796         sep = lun->lun_sep;
797         if (!sep) {
798                 spin_unlock(&lun->lun_sep_lock);
799                 return -ENODEV;
800         }
801         /* FIXME: scsiPortBusyStatuses  */
802         ret = snprintf(page, PAGE_SIZE, "%u\n", 0);
803         spin_unlock(&lun->lun_sep_lock);
804         return ret;
805 }
806 DEV_STAT_SCSI_PORT_ATTR_RO(busy_count);
807
808 CONFIGFS_EATTR_OPS(target_stat_scsi_port, se_port_stat_grps, scsi_port_group);
809
810 static struct configfs_attribute *target_stat_scsi_port_attrs[] = {
811         &target_stat_scsi_port_inst.attr,
812         &target_stat_scsi_port_dev.attr,
813         &target_stat_scsi_port_indx.attr,
814         &target_stat_scsi_port_role.attr,
815         &target_stat_scsi_port_busy_count.attr,
816         NULL,
817 };
818
819 static struct configfs_item_operations target_stat_scsi_port_attrib_ops = {
820         .show_attribute         = target_stat_scsi_port_attr_show,
821         .store_attribute        = target_stat_scsi_port_attr_store,
822 };
823
824 static struct config_item_type target_stat_scsi_port_cit = {
825         .ct_item_ops            = &target_stat_scsi_port_attrib_ops,
826         .ct_attrs               = target_stat_scsi_port_attrs,
827         .ct_owner               = THIS_MODULE,
828 };
829
830 /*
831  * SCSI Target Port Table
832  */
833 CONFIGFS_EATTR_STRUCT(target_stat_scsi_tgt_port, se_port_stat_grps);
834 #define DEV_STAT_SCSI_TGT_PORT_ATTR(_name, _mode)                       \
835 static struct target_stat_scsi_tgt_port_attribute                       \
836                         target_stat_scsi_tgt_port_##_name =             \
837         __CONFIGFS_EATTR(_name, _mode,                                  \
838         target_stat_scsi_tgt_port_show_attr_##_name,                    \
839         target_stat_scsi_tgt_port_store_attr_##_name);
840
841 #define DEV_STAT_SCSI_TGT_PORT_ATTR_RO(_name)                           \
842 static struct target_stat_scsi_tgt_port_attribute                       \
843                         target_stat_scsi_tgt_port_##_name =             \
844         __CONFIGFS_EATTR_RO(_name,                                      \
845         target_stat_scsi_tgt_port_show_attr_##_name);
846
847 static ssize_t target_stat_scsi_tgt_port_show_attr_inst(
848         struct se_port_stat_grps *pgrps, char *page)
849 {
850         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
851         struct se_device *dev = lun->lun_se_dev;
852         struct se_port *sep;
853         struct se_hba *hba;
854         ssize_t ret;
855
856         spin_lock(&lun->lun_sep_lock);
857         sep = lun->lun_sep;
858         if (!sep) {
859                 spin_unlock(&lun->lun_sep_lock);
860                 return -ENODEV;
861         }
862         hba = dev->se_hba;
863         ret = snprintf(page, PAGE_SIZE, "%u\n", hba->hba_index);
864         spin_unlock(&lun->lun_sep_lock);
865         return ret;
866 }
867 DEV_STAT_SCSI_TGT_PORT_ATTR_RO(inst);
868
869 static ssize_t target_stat_scsi_tgt_port_show_attr_dev(
870         struct se_port_stat_grps *pgrps, char *page)
871 {
872         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
873         struct se_device *dev = lun->lun_se_dev;
874         struct se_port *sep;
875         ssize_t ret;
876
877         spin_lock(&lun->lun_sep_lock);
878         sep = lun->lun_sep;
879         if (!sep) {
880                 spin_unlock(&lun->lun_sep_lock);
881                 return -ENODEV;
882         }
883         ret = snprintf(page, PAGE_SIZE, "%u\n", dev->dev_index);
884         spin_unlock(&lun->lun_sep_lock);
885         return ret;
886 }
887 DEV_STAT_SCSI_TGT_PORT_ATTR_RO(dev);
888
889 static ssize_t target_stat_scsi_tgt_port_show_attr_indx(
890         struct se_port_stat_grps *pgrps, char *page)
891 {
892         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
893         struct se_port *sep;
894         ssize_t ret;
895
896         spin_lock(&lun->lun_sep_lock);
897         sep = lun->lun_sep;
898         if (!sep) {
899                 spin_unlock(&lun->lun_sep_lock);
900                 return -ENODEV;
901         }
902         ret = snprintf(page, PAGE_SIZE, "%u\n", sep->sep_index);
903         spin_unlock(&lun->lun_sep_lock);
904         return ret;
905 }
906 DEV_STAT_SCSI_TGT_PORT_ATTR_RO(indx);
907
908 static ssize_t target_stat_scsi_tgt_port_show_attr_name(
909         struct se_port_stat_grps *pgrps, char *page)
910 {
911         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
912         struct se_port *sep;
913         struct se_portal_group *tpg;
914         ssize_t ret;
915
916         spin_lock(&lun->lun_sep_lock);
917         sep = lun->lun_sep;
918         if (!sep) {
919                 spin_unlock(&lun->lun_sep_lock);
920                 return -ENODEV;
921         }
922         tpg = sep->sep_tpg;
923
924         ret = snprintf(page, PAGE_SIZE, "%sPort#%u\n",
925                 TPG_TFO(tpg)->get_fabric_name(), sep->sep_index);
926         spin_unlock(&lun->lun_sep_lock);
927         return ret;
928 }
929 DEV_STAT_SCSI_TGT_PORT_ATTR_RO(name);
930
931 static ssize_t target_stat_scsi_tgt_port_show_attr_port_index(
932         struct se_port_stat_grps *pgrps, char *page)
933 {
934         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
935         struct se_port *sep;
936         struct se_portal_group *tpg;
937         ssize_t ret;
938
939         spin_lock(&lun->lun_sep_lock);
940         sep = lun->lun_sep;
941         if (!sep) {
942                 spin_unlock(&lun->lun_sep_lock);
943                 return -ENODEV;
944         }
945         tpg = sep->sep_tpg;
946
947         ret = snprintf(page, PAGE_SIZE, "%s%s%d\n",
948                 TPG_TFO(tpg)->tpg_get_wwn(tpg), "+t+",
949                 TPG_TFO(tpg)->tpg_get_tag(tpg));
950         spin_unlock(&lun->lun_sep_lock);
951         return ret;
952 }
953 DEV_STAT_SCSI_TGT_PORT_ATTR_RO(port_index);
954
955 static ssize_t target_stat_scsi_tgt_port_show_attr_in_cmds(
956         struct se_port_stat_grps *pgrps, char *page)
957 {
958         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
959         struct se_port *sep;
960         struct se_portal_group *tpg;
961         ssize_t ret;
962
963         spin_lock(&lun->lun_sep_lock);
964         sep = lun->lun_sep;
965         if (!sep) {
966                 spin_unlock(&lun->lun_sep_lock);
967                 return -ENODEV;
968         }
969         tpg = sep->sep_tpg;
970
971         ret = snprintf(page, PAGE_SIZE, "%llu\n", sep->sep_stats.cmd_pdus);
972         spin_unlock(&lun->lun_sep_lock);
973         return ret;
974 }
975 DEV_STAT_SCSI_TGT_PORT_ATTR_RO(in_cmds);
976
977 static ssize_t target_stat_scsi_tgt_port_show_attr_write_mbytes(
978         struct se_port_stat_grps *pgrps, char *page)
979 {
980         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
981         struct se_port *sep;
982         struct se_portal_group *tpg;
983         ssize_t ret;
984
985         spin_lock(&lun->lun_sep_lock);
986         sep = lun->lun_sep;
987         if (!sep) {
988                 spin_unlock(&lun->lun_sep_lock);
989                 return -ENODEV;
990         }
991         tpg = sep->sep_tpg;
992
993         ret = snprintf(page, PAGE_SIZE, "%u\n",
994                         (u32)(sep->sep_stats.rx_data_octets >> 20));
995         spin_unlock(&lun->lun_sep_lock);
996         return ret;
997 }
998 DEV_STAT_SCSI_TGT_PORT_ATTR_RO(write_mbytes);
999
1000 static ssize_t target_stat_scsi_tgt_port_show_attr_read_mbytes(
1001         struct se_port_stat_grps *pgrps, char *page)
1002 {
1003         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
1004         struct se_port *sep;
1005         struct se_portal_group *tpg;
1006         ssize_t ret;
1007
1008         spin_lock(&lun->lun_sep_lock);
1009         sep = lun->lun_sep;
1010         if (!sep) {
1011                 spin_unlock(&lun->lun_sep_lock);
1012                 return -ENODEV;
1013         }
1014         tpg = sep->sep_tpg;
1015
1016         ret = snprintf(page, PAGE_SIZE, "%u\n",
1017                         (u32)(sep->sep_stats.tx_data_octets >> 20));
1018         spin_unlock(&lun->lun_sep_lock);
1019         return ret;
1020 }
1021 DEV_STAT_SCSI_TGT_PORT_ATTR_RO(read_mbytes);
1022
1023 static ssize_t target_stat_scsi_tgt_port_show_attr_hs_in_cmds(
1024         struct se_port_stat_grps *pgrps, char *page)
1025 {
1026         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
1027         struct se_port *sep;
1028         struct se_portal_group *tpg;
1029         ssize_t ret;
1030
1031         spin_lock(&lun->lun_sep_lock);
1032         sep = lun->lun_sep;
1033         if (!sep) {
1034                 spin_unlock(&lun->lun_sep_lock);
1035                 return -ENODEV;
1036         }
1037         tpg = sep->sep_tpg;
1038
1039         /* FIXME: scsiTgtPortHsInCommands */
1040         ret = snprintf(page, PAGE_SIZE, "%u\n", 0);
1041         spin_unlock(&lun->lun_sep_lock);
1042         return ret;
1043 }
1044 DEV_STAT_SCSI_TGT_PORT_ATTR_RO(hs_in_cmds);
1045
1046 CONFIGFS_EATTR_OPS(target_stat_scsi_tgt_port, se_port_stat_grps,
1047                 scsi_tgt_port_group);
1048
1049 static struct configfs_attribute *target_stat_scsi_tgt_port_attrs[] = {
1050         &target_stat_scsi_tgt_port_inst.attr,
1051         &target_stat_scsi_tgt_port_dev.attr,
1052         &target_stat_scsi_tgt_port_indx.attr,
1053         &target_stat_scsi_tgt_port_name.attr,
1054         &target_stat_scsi_tgt_port_port_index.attr,
1055         &target_stat_scsi_tgt_port_in_cmds.attr,
1056         &target_stat_scsi_tgt_port_write_mbytes.attr,
1057         &target_stat_scsi_tgt_port_read_mbytes.attr,
1058         &target_stat_scsi_tgt_port_hs_in_cmds.attr,
1059         NULL,
1060 };
1061
1062 static struct configfs_item_operations target_stat_scsi_tgt_port_attrib_ops = {
1063         .show_attribute         = target_stat_scsi_tgt_port_attr_show,
1064         .store_attribute        = target_stat_scsi_tgt_port_attr_store,
1065 };
1066
1067 static struct config_item_type target_stat_scsi_tgt_port_cit = {
1068         .ct_item_ops            = &target_stat_scsi_tgt_port_attrib_ops,
1069         .ct_attrs               = target_stat_scsi_tgt_port_attrs,
1070         .ct_owner               = THIS_MODULE,
1071 };
1072
1073 /*
1074  * SCSI Transport Table
1075 o */
1076
1077 CONFIGFS_EATTR_STRUCT(target_stat_scsi_transport, se_port_stat_grps);
1078 #define DEV_STAT_SCSI_TRANSPORT_ATTR(_name, _mode)                      \
1079 static struct target_stat_scsi_transport_attribute                      \
1080                         target_stat_scsi_transport_##_name =            \
1081         __CONFIGFS_EATTR(_name, _mode,                                  \
1082         target_stat_scsi_transport_show_attr_##_name,                   \
1083         target_stat_scsi_transport_store_attr_##_name);
1084
1085 #define DEV_STAT_SCSI_TRANSPORT_ATTR_RO(_name)                          \
1086 static struct target_stat_scsi_transport_attribute                      \
1087                         target_stat_scsi_transport_##_name =            \
1088         __CONFIGFS_EATTR_RO(_name,                                      \
1089         target_stat_scsi_transport_show_attr_##_name);
1090
1091 static ssize_t target_stat_scsi_transport_show_attr_inst(
1092         struct se_port_stat_grps *pgrps, char *page)
1093 {
1094         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
1095         struct se_device *dev = lun->lun_se_dev;
1096         struct se_port *sep;
1097         struct se_hba *hba;
1098         ssize_t ret;
1099
1100         spin_lock(&lun->lun_sep_lock);
1101         sep = lun->lun_sep;
1102         if (!sep) {
1103                 spin_unlock(&lun->lun_sep_lock);
1104                 return -ENODEV;
1105         }
1106
1107         hba = dev->se_hba;
1108         ret = snprintf(page, PAGE_SIZE, "%u\n", hba->hba_index);
1109         spin_unlock(&lun->lun_sep_lock);
1110         return ret;
1111 }
1112 DEV_STAT_SCSI_TRANSPORT_ATTR_RO(inst);
1113
1114 static ssize_t target_stat_scsi_transport_show_attr_device(
1115         struct se_port_stat_grps *pgrps, char *page)
1116 {
1117         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
1118         struct se_port *sep;
1119         struct se_portal_group *tpg;
1120         ssize_t ret;
1121
1122         spin_lock(&lun->lun_sep_lock);
1123         sep = lun->lun_sep;
1124         if (!sep) {
1125                 spin_unlock(&lun->lun_sep_lock);
1126                 return -ENODEV;
1127         }
1128         tpg = sep->sep_tpg;
1129         /* scsiTransportType */
1130         ret = snprintf(page, PAGE_SIZE, "scsiTransport%s\n",
1131                         TPG_TFO(tpg)->get_fabric_name());
1132         spin_unlock(&lun->lun_sep_lock);
1133         return ret;
1134 }
1135 DEV_STAT_SCSI_TRANSPORT_ATTR_RO(device);
1136
1137 static ssize_t target_stat_scsi_transport_show_attr_indx(
1138         struct se_port_stat_grps *pgrps, char *page)
1139 {
1140         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
1141         struct se_port *sep;
1142         struct se_portal_group *tpg;
1143         ssize_t ret;
1144
1145         spin_lock(&lun->lun_sep_lock);
1146         sep = lun->lun_sep;
1147         if (!sep) {
1148                 spin_unlock(&lun->lun_sep_lock);
1149                 return -ENODEV;
1150         }
1151         tpg = sep->sep_tpg;
1152         ret = snprintf(page, PAGE_SIZE, "%u\n",
1153                         TPG_TFO(tpg)->tpg_get_inst_index(tpg));
1154         spin_unlock(&lun->lun_sep_lock);
1155         return ret;
1156 }
1157 DEV_STAT_SCSI_TRANSPORT_ATTR_RO(indx);
1158
1159 static ssize_t target_stat_scsi_transport_show_attr_dev_name(
1160         struct se_port_stat_grps *pgrps, char *page)
1161 {
1162         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
1163         struct se_device *dev = lun->lun_se_dev;
1164         struct se_port *sep;
1165         struct se_portal_group *tpg;
1166         struct t10_wwn *wwn;
1167         ssize_t ret;
1168
1169         spin_lock(&lun->lun_sep_lock);
1170         sep = lun->lun_sep;
1171         if (!sep) {
1172                 spin_unlock(&lun->lun_sep_lock);
1173                 return -ENODEV;
1174         }
1175         tpg = sep->sep_tpg;
1176         wwn = DEV_T10_WWN(dev);
1177         /* scsiTransportDevName */
1178         ret = snprintf(page, PAGE_SIZE, "%s+%s\n",
1179                         TPG_TFO(tpg)->tpg_get_wwn(tpg),
1180                         (strlen(wwn->unit_serial)) ? wwn->unit_serial :
1181                         wwn->vendor);
1182         spin_unlock(&lun->lun_sep_lock);
1183         return ret;
1184 }
1185 DEV_STAT_SCSI_TRANSPORT_ATTR_RO(dev_name);
1186
1187 CONFIGFS_EATTR_OPS(target_stat_scsi_transport, se_port_stat_grps,
1188                 scsi_transport_group);
1189
1190 static struct configfs_attribute *target_stat_scsi_transport_attrs[] = {
1191         &target_stat_scsi_transport_inst.attr,
1192         &target_stat_scsi_transport_device.attr,
1193         &target_stat_scsi_transport_indx.attr,
1194         &target_stat_scsi_transport_dev_name.attr,
1195         NULL,
1196 };
1197
1198 static struct configfs_item_operations target_stat_scsi_transport_attrib_ops = {
1199         .show_attribute         = target_stat_scsi_transport_attr_show,
1200         .store_attribute        = target_stat_scsi_transport_attr_store,
1201 };
1202
1203 static struct config_item_type target_stat_scsi_transport_cit = {
1204         .ct_item_ops            = &target_stat_scsi_transport_attrib_ops,
1205         .ct_attrs               = target_stat_scsi_transport_attrs,
1206         .ct_owner               = THIS_MODULE,
1207 };
1208
1209 /*
1210  * Called from target_core_fabric_configfs.c:target_fabric_make_lun() to setup
1211  * the target port statistics groups + configfs CITs located in target_core_stat.c
1212  */
1213 void target_stat_setup_port_default_groups(struct se_lun *lun)
1214 {
1215         struct config_group *port_stat_grp = &PORT_STAT_GRP(lun)->stat_group;
1216
1217         config_group_init_type_name(&PORT_STAT_GRP(lun)->scsi_port_group,
1218                         "scsi_port", &target_stat_scsi_port_cit);
1219         config_group_init_type_name(&PORT_STAT_GRP(lun)->scsi_tgt_port_group,
1220                         "scsi_tgt_port", &target_stat_scsi_tgt_port_cit);
1221         config_group_init_type_name(&PORT_STAT_GRP(lun)->scsi_transport_group,
1222                         "scsi_transport", &target_stat_scsi_transport_cit);
1223
1224         port_stat_grp->default_groups[0] = &PORT_STAT_GRP(lun)->scsi_port_group;
1225         port_stat_grp->default_groups[1] = &PORT_STAT_GRP(lun)->scsi_tgt_port_group;
1226         port_stat_grp->default_groups[2] = &PORT_STAT_GRP(lun)->scsi_transport_group;
1227         port_stat_grp->default_groups[3] = NULL;
1228 }
1229
1230 /*
1231  * SCSI Authorized Initiator Table
1232  */
1233
1234 CONFIGFS_EATTR_STRUCT(target_stat_scsi_auth_intr, se_ml_stat_grps);
1235 #define DEV_STAT_SCSI_AUTH_INTR_ATTR(_name, _mode)                      \
1236 static struct target_stat_scsi_auth_intr_attribute                      \
1237                         target_stat_scsi_auth_intr_##_name =            \
1238         __CONFIGFS_EATTR(_name, _mode,                                  \
1239         target_stat_scsi_auth_intr_show_attr_##_name,                   \
1240         target_stat_scsi_auth_intr_store_attr_##_name);
1241
1242 #define DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(_name)                          \
1243 static struct target_stat_scsi_auth_intr_attribute                      \
1244                         target_stat_scsi_auth_intr_##_name =            \
1245         __CONFIGFS_EATTR_RO(_name,                                      \
1246         target_stat_scsi_auth_intr_show_attr_##_name);
1247
1248 static ssize_t target_stat_scsi_auth_intr_show_attr_inst(
1249         struct se_ml_stat_grps *lgrps, char *page)
1250 {
1251         struct se_lun_acl *lacl = container_of(lgrps,
1252                         struct se_lun_acl, ml_stat_grps);
1253         struct se_node_acl *nacl = lacl->se_lun_nacl;
1254         struct se_dev_entry *deve;
1255         struct se_portal_group *tpg;
1256         ssize_t ret;
1257
1258         spin_lock_irq(&nacl->device_list_lock);
1259         deve = &nacl->device_list[lacl->mapped_lun];
1260         if (!deve->se_lun || !deve->se_lun_acl) {
1261                 spin_unlock_irq(&nacl->device_list_lock);
1262                 return -ENODEV;
1263         }
1264         tpg = nacl->se_tpg;
1265         /* scsiInstIndex */
1266         ret = snprintf(page, PAGE_SIZE, "%u\n",
1267                         TPG_TFO(tpg)->tpg_get_inst_index(tpg));
1268         spin_unlock_irq(&nacl->device_list_lock);
1269         return ret;
1270 }
1271 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(inst);
1272
1273 static ssize_t target_stat_scsi_auth_intr_show_attr_dev(
1274         struct se_ml_stat_grps *lgrps, char *page)
1275 {
1276         struct se_lun_acl *lacl = container_of(lgrps,
1277                         struct se_lun_acl, ml_stat_grps);
1278         struct se_node_acl *nacl = lacl->se_lun_nacl;
1279         struct se_dev_entry *deve;
1280         struct se_lun *lun;
1281         struct se_portal_group *tpg;
1282         ssize_t ret;
1283
1284         spin_lock_irq(&nacl->device_list_lock);
1285         deve = &nacl->device_list[lacl->mapped_lun];
1286         if (!deve->se_lun || !deve->se_lun_acl) {
1287                 spin_unlock_irq(&nacl->device_list_lock);
1288                 return -ENODEV;
1289         }
1290         tpg = nacl->se_tpg;
1291         lun = deve->se_lun;
1292         /* scsiDeviceIndex */
1293         ret = snprintf(page, PAGE_SIZE, "%u\n", lun->lun_se_dev->dev_index);
1294         spin_unlock_irq(&nacl->device_list_lock);
1295         return ret;
1296 }
1297 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(dev);
1298
1299 static ssize_t target_stat_scsi_auth_intr_show_attr_port(
1300         struct se_ml_stat_grps *lgrps, char *page)
1301 {
1302         struct se_lun_acl *lacl = container_of(lgrps,
1303                         struct se_lun_acl, ml_stat_grps);
1304         struct se_node_acl *nacl = lacl->se_lun_nacl;
1305         struct se_dev_entry *deve;
1306         struct se_portal_group *tpg;
1307         ssize_t ret;
1308
1309         spin_lock_irq(&nacl->device_list_lock);
1310         deve = &nacl->device_list[lacl->mapped_lun];
1311         if (!deve->se_lun || !deve->se_lun_acl) {
1312                 spin_unlock_irq(&nacl->device_list_lock);
1313                 return -ENODEV;
1314         }
1315         tpg = nacl->se_tpg;
1316         /* scsiAuthIntrTgtPortIndex */
1317         ret = snprintf(page, PAGE_SIZE, "%u\n", TPG_TFO(tpg)->tpg_get_tag(tpg));
1318         spin_unlock_irq(&nacl->device_list_lock);
1319         return ret;
1320 }
1321 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(port);
1322
1323 static ssize_t target_stat_scsi_auth_intr_show_attr_indx(
1324         struct se_ml_stat_grps *lgrps, char *page)
1325 {
1326         struct se_lun_acl *lacl = container_of(lgrps,
1327                         struct se_lun_acl, ml_stat_grps);
1328         struct se_node_acl *nacl = lacl->se_lun_nacl;
1329         struct se_dev_entry *deve;
1330         ssize_t ret;
1331
1332         spin_lock_irq(&nacl->device_list_lock);
1333         deve = &nacl->device_list[lacl->mapped_lun];
1334         if (!deve->se_lun || !deve->se_lun_acl) {
1335                 spin_unlock_irq(&nacl->device_list_lock);
1336                 return -ENODEV;
1337         }
1338         /* scsiAuthIntrIndex */
1339         ret = snprintf(page, PAGE_SIZE, "%u\n", nacl->acl_index);
1340         spin_unlock_irq(&nacl->device_list_lock);
1341         return ret;
1342 }
1343 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(indx);
1344
1345 static ssize_t target_stat_scsi_auth_intr_show_attr_dev_or_port(
1346         struct se_ml_stat_grps *lgrps, char *page)
1347 {
1348         struct se_lun_acl *lacl = container_of(lgrps,
1349                         struct se_lun_acl, ml_stat_grps);
1350         struct se_node_acl *nacl = lacl->se_lun_nacl;
1351         struct se_dev_entry *deve;
1352         ssize_t ret;
1353
1354         spin_lock_irq(&nacl->device_list_lock);
1355         deve = &nacl->device_list[lacl->mapped_lun];
1356         if (!deve->se_lun || !deve->se_lun_acl) {
1357                 spin_unlock_irq(&nacl->device_list_lock);
1358                 return -ENODEV;
1359         }
1360         /* scsiAuthIntrDevOrPort */
1361         ret = snprintf(page, PAGE_SIZE, "%u\n", 1);
1362         spin_unlock_irq(&nacl->device_list_lock);
1363         return ret;
1364 }
1365 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(dev_or_port);
1366
1367 static ssize_t target_stat_scsi_auth_intr_show_attr_intr_name(
1368         struct se_ml_stat_grps *lgrps, char *page)
1369 {
1370         struct se_lun_acl *lacl = container_of(lgrps,
1371                         struct se_lun_acl, ml_stat_grps);
1372         struct se_node_acl *nacl = lacl->se_lun_nacl;
1373         struct se_dev_entry *deve;
1374         ssize_t ret;
1375
1376         spin_lock_irq(&nacl->device_list_lock);
1377         deve = &nacl->device_list[lacl->mapped_lun];
1378         if (!deve->se_lun || !deve->se_lun_acl) {
1379                 spin_unlock_irq(&nacl->device_list_lock);
1380                 return -ENODEV;
1381         }
1382         /* scsiAuthIntrName */
1383         ret = snprintf(page, PAGE_SIZE, "%s\n", nacl->initiatorname);
1384         spin_unlock_irq(&nacl->device_list_lock);
1385         return ret;
1386 }
1387 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(intr_name);
1388
1389 static ssize_t target_stat_scsi_auth_intr_show_attr_map_indx(
1390         struct se_ml_stat_grps *lgrps, char *page)
1391 {
1392         struct se_lun_acl *lacl = container_of(lgrps,
1393                         struct se_lun_acl, ml_stat_grps);
1394         struct se_node_acl *nacl = lacl->se_lun_nacl;
1395         struct se_dev_entry *deve;
1396         ssize_t ret;
1397
1398         spin_lock_irq(&nacl->device_list_lock);
1399         deve = &nacl->device_list[lacl->mapped_lun];
1400         if (!deve->se_lun || !deve->se_lun_acl) {
1401                 spin_unlock_irq(&nacl->device_list_lock);
1402                 return -ENODEV;
1403         }
1404         /* FIXME: scsiAuthIntrLunMapIndex */
1405         ret = snprintf(page, PAGE_SIZE, "%u\n", 0);
1406         spin_unlock_irq(&nacl->device_list_lock);
1407         return ret;
1408 }
1409 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(map_indx);
1410
1411 static ssize_t target_stat_scsi_auth_intr_show_attr_att_count(
1412         struct se_ml_stat_grps *lgrps, char *page)
1413 {
1414         struct se_lun_acl *lacl = container_of(lgrps,
1415                         struct se_lun_acl, ml_stat_grps);
1416         struct se_node_acl *nacl = lacl->se_lun_nacl;
1417         struct se_dev_entry *deve;
1418         ssize_t ret;
1419
1420         spin_lock_irq(&nacl->device_list_lock);
1421         deve = &nacl->device_list[lacl->mapped_lun];
1422         if (!deve->se_lun || !deve->se_lun_acl) {
1423                 spin_unlock_irq(&nacl->device_list_lock);
1424                 return -ENODEV;
1425         }
1426         /* scsiAuthIntrAttachedTimes */
1427         ret = snprintf(page, PAGE_SIZE, "%u\n", deve->attach_count);
1428         spin_unlock_irq(&nacl->device_list_lock);
1429         return ret;
1430 }
1431 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(att_count);
1432
1433 static ssize_t target_stat_scsi_auth_intr_show_attr_num_cmds(
1434         struct se_ml_stat_grps *lgrps, char *page)
1435 {
1436         struct se_lun_acl *lacl = container_of(lgrps,
1437                         struct se_lun_acl, ml_stat_grps);
1438         struct se_node_acl *nacl = lacl->se_lun_nacl;
1439         struct se_dev_entry *deve;
1440         ssize_t ret;
1441
1442         spin_lock_irq(&nacl->device_list_lock);
1443         deve = &nacl->device_list[lacl->mapped_lun];
1444         if (!deve->se_lun || !deve->se_lun_acl) {
1445                 spin_unlock_irq(&nacl->device_list_lock);
1446                 return -ENODEV;
1447         }
1448         /* scsiAuthIntrOutCommands */
1449         ret = snprintf(page, PAGE_SIZE, "%u\n", deve->total_cmds);
1450         spin_unlock_irq(&nacl->device_list_lock);
1451         return ret;
1452 }
1453 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(num_cmds);
1454
1455 static ssize_t target_stat_scsi_auth_intr_show_attr_read_mbytes(
1456         struct se_ml_stat_grps *lgrps, char *page)
1457 {
1458         struct se_lun_acl *lacl = container_of(lgrps,
1459                         struct se_lun_acl, ml_stat_grps);
1460         struct se_node_acl *nacl = lacl->se_lun_nacl;
1461         struct se_dev_entry *deve;
1462         ssize_t ret;
1463
1464         spin_lock_irq(&nacl->device_list_lock);
1465         deve = &nacl->device_list[lacl->mapped_lun];
1466         if (!deve->se_lun || !deve->se_lun_acl) {
1467                 spin_unlock_irq(&nacl->device_list_lock);
1468                 return -ENODEV;
1469         }
1470         /* scsiAuthIntrReadMegaBytes */
1471         ret = snprintf(page, PAGE_SIZE, "%u\n", (u32)(deve->read_bytes >> 20));
1472         spin_unlock_irq(&nacl->device_list_lock);
1473         return ret;
1474 }
1475 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(read_mbytes);
1476
1477 static ssize_t target_stat_scsi_auth_intr_show_attr_write_mbytes(
1478         struct se_ml_stat_grps *lgrps, char *page)
1479 {
1480         struct se_lun_acl *lacl = container_of(lgrps,
1481                         struct se_lun_acl, ml_stat_grps);
1482         struct se_node_acl *nacl = lacl->se_lun_nacl;
1483         struct se_dev_entry *deve;
1484         ssize_t ret;
1485
1486         spin_lock_irq(&nacl->device_list_lock);
1487         deve = &nacl->device_list[lacl->mapped_lun];
1488         if (!deve->se_lun || !deve->se_lun_acl) {
1489                 spin_unlock_irq(&nacl->device_list_lock);
1490                 return -ENODEV;
1491         }
1492         /* scsiAuthIntrWrittenMegaBytes */
1493         ret = snprintf(page, PAGE_SIZE, "%u\n", (u32)(deve->write_bytes >> 20));
1494         spin_unlock_irq(&nacl->device_list_lock);
1495         return ret;
1496 }
1497 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(write_mbytes);
1498
1499 static ssize_t target_stat_scsi_auth_intr_show_attr_hs_num_cmds(
1500         struct se_ml_stat_grps *lgrps, char *page)
1501 {
1502         struct se_lun_acl *lacl = container_of(lgrps,
1503                         struct se_lun_acl, ml_stat_grps);
1504         struct se_node_acl *nacl = lacl->se_lun_nacl;
1505         struct se_dev_entry *deve;
1506         ssize_t ret;
1507
1508         spin_lock_irq(&nacl->device_list_lock);
1509         deve = &nacl->device_list[lacl->mapped_lun];
1510         if (!deve->se_lun || !deve->se_lun_acl) {
1511                 spin_unlock_irq(&nacl->device_list_lock);
1512                 return -ENODEV;
1513         }
1514         /* FIXME: scsiAuthIntrHSOutCommands */
1515         ret = snprintf(page, PAGE_SIZE, "%u\n", 0);
1516         spin_unlock_irq(&nacl->device_list_lock);
1517         return ret;
1518 }
1519 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(hs_num_cmds);
1520
1521 static ssize_t target_stat_scsi_auth_intr_show_attr_creation_time(
1522         struct se_ml_stat_grps *lgrps, char *page)
1523 {
1524         struct se_lun_acl *lacl = container_of(lgrps,
1525                         struct se_lun_acl, ml_stat_grps);
1526         struct se_node_acl *nacl = lacl->se_lun_nacl;
1527         struct se_dev_entry *deve;
1528         ssize_t ret;
1529
1530         spin_lock_irq(&nacl->device_list_lock);
1531         deve = &nacl->device_list[lacl->mapped_lun];
1532         if (!deve->se_lun || !deve->se_lun_acl) {
1533                 spin_unlock_irq(&nacl->device_list_lock);
1534                 return -ENODEV;
1535         }
1536         /* scsiAuthIntrLastCreation */
1537         ret = snprintf(page, PAGE_SIZE, "%u\n", (u32)(((u32)deve->creation_time -
1538                                 INITIAL_JIFFIES) * 100 / HZ));
1539         spin_unlock_irq(&nacl->device_list_lock);
1540         return ret;
1541 }
1542 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(creation_time);
1543
1544 static ssize_t target_stat_scsi_auth_intr_show_attr_row_status(
1545         struct se_ml_stat_grps *lgrps, char *page)
1546 {
1547         struct se_lun_acl *lacl = container_of(lgrps,
1548                         struct se_lun_acl, ml_stat_grps);
1549         struct se_node_acl *nacl = lacl->se_lun_nacl;
1550         struct se_dev_entry *deve;
1551         ssize_t ret;
1552
1553         spin_lock_irq(&nacl->device_list_lock);
1554         deve = &nacl->device_list[lacl->mapped_lun];
1555         if (!deve->se_lun || !deve->se_lun_acl) {
1556                 spin_unlock_irq(&nacl->device_list_lock);
1557                 return -ENODEV;
1558         }
1559         /* FIXME: scsiAuthIntrRowStatus */
1560         ret = snprintf(page, PAGE_SIZE, "Ready\n");
1561         spin_unlock_irq(&nacl->device_list_lock);
1562         return ret;
1563 }
1564 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(row_status);
1565
1566 CONFIGFS_EATTR_OPS(target_stat_scsi_auth_intr, se_ml_stat_grps,
1567                 scsi_auth_intr_group);
1568
1569 static struct configfs_attribute *target_stat_scsi_auth_intr_attrs[] = {
1570         &target_stat_scsi_auth_intr_inst.attr,
1571         &target_stat_scsi_auth_intr_dev.attr,
1572         &target_stat_scsi_auth_intr_port.attr,
1573         &target_stat_scsi_auth_intr_indx.attr,
1574         &target_stat_scsi_auth_intr_dev_or_port.attr,
1575         &target_stat_scsi_auth_intr_intr_name.attr,
1576         &target_stat_scsi_auth_intr_map_indx.attr,
1577         &target_stat_scsi_auth_intr_att_count.attr,
1578         &target_stat_scsi_auth_intr_num_cmds.attr,
1579         &target_stat_scsi_auth_intr_read_mbytes.attr,
1580         &target_stat_scsi_auth_intr_write_mbytes.attr,
1581         &target_stat_scsi_auth_intr_hs_num_cmds.attr,
1582         &target_stat_scsi_auth_intr_creation_time.attr,
1583         &target_stat_scsi_auth_intr_row_status.attr,
1584         NULL,
1585 };
1586
1587 static struct configfs_item_operations target_stat_scsi_auth_intr_attrib_ops = {
1588         .show_attribute         = target_stat_scsi_auth_intr_attr_show,
1589         .store_attribute        = target_stat_scsi_auth_intr_attr_store,
1590 };
1591
1592 static struct config_item_type target_stat_scsi_auth_intr_cit = {
1593         .ct_item_ops            = &target_stat_scsi_auth_intr_attrib_ops,
1594         .ct_attrs               = target_stat_scsi_auth_intr_attrs,
1595         .ct_owner               = THIS_MODULE,
1596 };
1597
1598 /*
1599  * SCSI Attached Initiator Port Table
1600  */
1601
1602 CONFIGFS_EATTR_STRUCT(target_stat_scsi_att_intr_port, se_ml_stat_grps);
1603 #define DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR(_name, _mode)                 \
1604 static struct target_stat_scsi_att_intr_port_attribute                  \
1605                 target_stat_scsi_att_intr_port_##_name =                \
1606         __CONFIGFS_EATTR(_name, _mode,                                  \
1607         target_stat_scsi_att_intr_port_show_attr_##_name,               \
1608         target_stat_scsi_att_intr_port_store_attr_##_name);
1609
1610 #define DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR_RO(_name)                     \
1611 static struct target_stat_scsi_att_intr_port_attribute                  \
1612                 target_stat_scsi_att_intr_port_##_name =                \
1613         __CONFIGFS_EATTR_RO(_name,                                      \
1614         target_stat_scsi_att_intr_port_show_attr_##_name);
1615
1616 static ssize_t target_stat_scsi_att_intr_port_show_attr_inst(
1617         struct se_ml_stat_grps *lgrps, char *page)
1618 {
1619         struct se_lun_acl *lacl = container_of(lgrps,
1620                         struct se_lun_acl, ml_stat_grps);
1621         struct se_node_acl *nacl = lacl->se_lun_nacl;
1622         struct se_dev_entry *deve;
1623         struct se_portal_group *tpg;
1624         ssize_t ret;
1625
1626         spin_lock_irq(&nacl->device_list_lock);
1627         deve = &nacl->device_list[lacl->mapped_lun];
1628         if (!deve->se_lun || !deve->se_lun_acl) {
1629                 spin_unlock_irq(&nacl->device_list_lock);
1630                 return -ENODEV;
1631         }
1632         tpg = nacl->se_tpg;
1633         /* scsiInstIndex */
1634         ret = snprintf(page, PAGE_SIZE, "%u\n",
1635                         TPG_TFO(tpg)->tpg_get_inst_index(tpg));
1636         spin_unlock_irq(&nacl->device_list_lock);
1637         return ret;
1638 }
1639 DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR_RO(inst);
1640
1641 static ssize_t target_stat_scsi_att_intr_port_show_attr_dev(
1642         struct se_ml_stat_grps *lgrps, char *page)
1643 {
1644         struct se_lun_acl *lacl = container_of(lgrps,
1645                         struct se_lun_acl, ml_stat_grps);
1646         struct se_node_acl *nacl = lacl->se_lun_nacl;
1647         struct se_dev_entry *deve;
1648         struct se_lun *lun;
1649         struct se_portal_group *tpg;
1650         ssize_t ret;
1651
1652         spin_lock_irq(&nacl->device_list_lock);
1653         deve = &nacl->device_list[lacl->mapped_lun];
1654         if (!deve->se_lun || !deve->se_lun_acl) {
1655                 spin_unlock_irq(&nacl->device_list_lock);
1656                 return -ENODEV;
1657         }
1658         tpg = nacl->se_tpg;
1659         lun = deve->se_lun;
1660         /* scsiDeviceIndex */
1661         ret = snprintf(page, PAGE_SIZE, "%u\n", lun->lun_se_dev->dev_index);
1662         spin_unlock_irq(&nacl->device_list_lock);
1663         return ret;
1664 }
1665 DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR_RO(dev);
1666
1667 static ssize_t target_stat_scsi_att_intr_port_show_attr_port(
1668         struct se_ml_stat_grps *lgrps, char *page)
1669 {
1670         struct se_lun_acl *lacl = container_of(lgrps,
1671                         struct se_lun_acl, ml_stat_grps);
1672         struct se_node_acl *nacl = lacl->se_lun_nacl;
1673         struct se_dev_entry *deve;
1674         struct se_portal_group *tpg;
1675         ssize_t ret;
1676
1677         spin_lock_irq(&nacl->device_list_lock);
1678         deve = &nacl->device_list[lacl->mapped_lun];
1679         if (!deve->se_lun || !deve->se_lun_acl) {
1680                 spin_unlock_irq(&nacl->device_list_lock);
1681                 return -ENODEV;
1682         }
1683         tpg = nacl->se_tpg;
1684         /* scsiPortIndex */
1685         ret = snprintf(page, PAGE_SIZE, "%u\n", TPG_TFO(tpg)->tpg_get_tag(tpg));
1686         spin_unlock_irq(&nacl->device_list_lock);
1687         return ret;
1688 }
1689 DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR_RO(port);
1690
1691 static ssize_t target_stat_scsi_att_intr_port_show_attr_indx(
1692         struct se_ml_stat_grps *lgrps, char *page)
1693 {
1694         struct se_lun_acl *lacl = container_of(lgrps,
1695                         struct se_lun_acl, ml_stat_grps);
1696         struct se_node_acl *nacl = lacl->se_lun_nacl;
1697         struct se_session *se_sess;
1698         struct se_portal_group *tpg;
1699         ssize_t ret;
1700
1701         spin_lock_irq(&nacl->nacl_sess_lock);
1702         se_sess = nacl->nacl_sess;
1703         if (!se_sess) {
1704                 spin_unlock_irq(&nacl->nacl_sess_lock);
1705                 return -ENODEV;
1706         }
1707
1708         tpg = nacl->se_tpg;
1709         /* scsiAttIntrPortIndex */
1710         ret = snprintf(page, PAGE_SIZE, "%u\n",
1711                         TPG_TFO(tpg)->sess_get_index(se_sess));
1712         spin_unlock_irq(&nacl->nacl_sess_lock);
1713         return ret;
1714 }
1715 DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR_RO(indx);
1716
1717 static ssize_t target_stat_scsi_att_intr_port_show_attr_port_auth_indx(
1718         struct se_ml_stat_grps *lgrps, char *page)
1719 {
1720         struct se_lun_acl *lacl = container_of(lgrps,
1721                         struct se_lun_acl, ml_stat_grps);
1722         struct se_node_acl *nacl = lacl->se_lun_nacl;
1723         struct se_dev_entry *deve;
1724         ssize_t ret;
1725
1726         spin_lock_irq(&nacl->device_list_lock);
1727         deve = &nacl->device_list[lacl->mapped_lun];
1728         if (!deve->se_lun || !deve->se_lun_acl) {
1729                 spin_unlock_irq(&nacl->device_list_lock);
1730                 return -ENODEV;
1731         }
1732         /* scsiAttIntrPortAuthIntrIdx */
1733         ret = snprintf(page, PAGE_SIZE, "%u\n", nacl->acl_index);
1734         spin_unlock_irq(&nacl->device_list_lock);
1735         return ret;
1736 }
1737 DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR_RO(port_auth_indx);
1738
1739 static ssize_t target_stat_scsi_att_intr_port_show_attr_port_ident(
1740         struct se_ml_stat_grps *lgrps, char *page)
1741 {
1742         struct se_lun_acl *lacl = container_of(lgrps,
1743                         struct se_lun_acl, ml_stat_grps);
1744         struct se_node_acl *nacl = lacl->se_lun_nacl;
1745         struct se_session *se_sess;
1746         struct se_portal_group *tpg;
1747         ssize_t ret;
1748         unsigned char buf[64];
1749
1750         spin_lock_irq(&nacl->nacl_sess_lock);
1751         se_sess = nacl->nacl_sess;
1752         if (!se_sess) {
1753                 spin_unlock_irq(&nacl->nacl_sess_lock);
1754                 return -ENODEV;
1755         }
1756
1757         tpg = nacl->se_tpg;
1758         /* scsiAttIntrPortName+scsiAttIntrPortIdentifier */
1759         memset(buf, 0, 64);
1760         if (TPG_TFO(tpg)->sess_get_initiator_sid != NULL)
1761                 TPG_TFO(tpg)->sess_get_initiator_sid(se_sess,
1762                                 (unsigned char *)&buf[0], 64);
1763
1764         ret = snprintf(page, PAGE_SIZE, "%s+i+%s\n", nacl->initiatorname, buf);
1765         spin_unlock_irq(&nacl->nacl_sess_lock);
1766         return ret;
1767 }
1768 DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR_RO(port_ident);
1769
1770 CONFIGFS_EATTR_OPS(target_stat_scsi_att_intr_port, se_ml_stat_grps,
1771                 scsi_att_intr_port_group);
1772
1773 static struct configfs_attribute *target_stat_scsi_ath_intr_port_attrs[] = {
1774         &target_stat_scsi_att_intr_port_inst.attr,
1775         &target_stat_scsi_att_intr_port_dev.attr,
1776         &target_stat_scsi_att_intr_port_port.attr,
1777         &target_stat_scsi_att_intr_port_indx.attr,
1778         &target_stat_scsi_att_intr_port_port_auth_indx.attr,
1779         &target_stat_scsi_att_intr_port_port_ident.attr,
1780         NULL,
1781 };
1782
1783 static struct configfs_item_operations target_stat_scsi_att_intr_port_attrib_ops = {
1784         .show_attribute         = target_stat_scsi_att_intr_port_attr_show,
1785         .store_attribute        = target_stat_scsi_att_intr_port_attr_store,
1786 };
1787
1788 static struct config_item_type target_stat_scsi_att_intr_port_cit = {
1789         .ct_item_ops            = &target_stat_scsi_att_intr_port_attrib_ops,
1790         .ct_attrs               = target_stat_scsi_ath_intr_port_attrs,
1791         .ct_owner               = THIS_MODULE,
1792 };
1793
1794 /*
1795  * Called from target_core_fabric_configfs.c:target_fabric_make_mappedlun() to setup
1796  * the target MappedLUN statistics groups + configfs CITs located in target_core_stat.c
1797  */
1798 void target_stat_setup_mappedlun_default_groups(struct se_lun_acl *lacl)
1799 {
1800         struct config_group *ml_stat_grp = &ML_STAT_GRPS(lacl)->stat_group;
1801
1802         config_group_init_type_name(&ML_STAT_GRPS(lacl)->scsi_auth_intr_group,
1803                         "scsi_auth_intr", &target_stat_scsi_auth_intr_cit);
1804         config_group_init_type_name(&ML_STAT_GRPS(lacl)->scsi_att_intr_port_group,
1805                         "scsi_att_intr_port", &target_stat_scsi_att_intr_port_cit);
1806
1807         ml_stat_grp->default_groups[0] = &ML_STAT_GRPS(lacl)->scsi_auth_intr_group;
1808         ml_stat_grp->default_groups[1] = &ML_STAT_GRPS(lacl)->scsi_att_intr_port_group;
1809         ml_stat_grp->default_groups[2] = NULL;
1810 }