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1/*******************************************************************************
2 * Filename: target_core_stat.c
3 *
4 * Modern ConfigFS group context specific statistics based on original
5 * target_core_mib.c code
6 *
7 * (c) Copyright 2006-2013 Datera, Inc.
8 *
9 * Nicholas A. Bellinger <nab@linux-iscsi.org>
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
24 *
25 ******************************************************************************/
26
27#include <linux/kernel.h>
28#include <linux/module.h>
29#include <linux/delay.h>
30#include <linux/timer.h>
31#include <linux/string.h>
32#include <linux/utsname.h>
33#include <linux/proc_fs.h>
34#include <linux/seq_file.h>
35#include <linux/configfs.h>
36
37#include <target/target_core_base.h>
38#include <target/target_core_backend.h>
39#include <target/target_core_fabric.h>
40
41#include "target_core_internal.h"
42
43#ifndef INITIAL_JIFFIES
44#define INITIAL_JIFFIES ((unsigned long)(unsigned int) (-300*HZ))
45#endif
46
47#define NONE "None"
48#define ISPRINT(a) ((a >= ' ') && (a <= '~'))
49
50#define SCSI_LU_INDEX 1
51#define LU_COUNT 1
52
53/*
54 * SCSI Device Table
55 */
56
57static struct se_device *to_stat_dev(struct config_item *item)
58{
59 struct se_dev_stat_grps *sgrps = container_of(to_config_group(item),
60 struct se_dev_stat_grps, scsi_dev_group);
61 return container_of(sgrps, struct se_device, dev_stat_grps);
62}
63
64static ssize_t target_stat_inst_show(struct config_item *item, char *page)
65{
66 struct se_hba *hba = to_stat_dev(item)->se_hba;
67
68 return snprintf(page, PAGE_SIZE, "%u\n", hba->hba_index);
69}
70
71static ssize_t target_stat_indx_show(struct config_item *item, char *page)
72{
73 return snprintf(page, PAGE_SIZE, "%u\n", to_stat_dev(item)->dev_index);
74}
75
76static ssize_t target_stat_role_show(struct config_item *item, char *page)
77{
78 return snprintf(page, PAGE_SIZE, "Target\n");
79}
80
81static ssize_t target_stat_ports_show(struct config_item *item, char *page)
82{
83 return snprintf(page, PAGE_SIZE, "%u\n", to_stat_dev(item)->export_count);
84}
85
86CONFIGFS_ATTR_RO(target_stat_, inst);
87CONFIGFS_ATTR_RO(target_stat_, indx);
88CONFIGFS_ATTR_RO(target_stat_, role);
89CONFIGFS_ATTR_RO(target_stat_, ports);
90
91static struct configfs_attribute *target_stat_scsi_dev_attrs[] = {
92 &target_stat_attr_inst,
93 &target_stat_attr_indx,
94 &target_stat_attr_role,
95 &target_stat_attr_ports,
96 NULL,
97};
98
99static struct config_item_type target_stat_scsi_dev_cit = {
100 .ct_attrs = target_stat_scsi_dev_attrs,
101 .ct_owner = THIS_MODULE,
102};
103
104/*
105 * SCSI Target Device Table
106 */
107static struct se_device *to_stat_tgt_dev(struct config_item *item)
108{
109 struct se_dev_stat_grps *sgrps = container_of(to_config_group(item),
110 struct se_dev_stat_grps, scsi_tgt_dev_group);
111 return container_of(sgrps, struct se_device, dev_stat_grps);
112}
113
114static ssize_t target_stat_tgt_inst_show(struct config_item *item, char *page)
115{
116 struct se_hba *hba = to_stat_tgt_dev(item)->se_hba;
117
118 return snprintf(page, PAGE_SIZE, "%u\n", hba->hba_index);
119}
120
121static ssize_t target_stat_tgt_indx_show(struct config_item *item, char *page)
122{
123 return snprintf(page, PAGE_SIZE, "%u\n", to_stat_tgt_dev(item)->dev_index);
124}
125
126static ssize_t target_stat_tgt_num_lus_show(struct config_item *item,
127 char *page)
128{
129 return snprintf(page, PAGE_SIZE, "%u\n", LU_COUNT);
130}
131
132static ssize_t target_stat_tgt_status_show(struct config_item *item,
133 char *page)
134{
135 if (to_stat_tgt_dev(item)->export_count)
136 return snprintf(page, PAGE_SIZE, "activated");
137 else
138 return snprintf(page, PAGE_SIZE, "deactivated");
139}
140
141static ssize_t target_stat_tgt_non_access_lus_show(struct config_item *item,
142 char *page)
143{
144 int non_accessible_lus;
145
146 if (to_stat_tgt_dev(item)->export_count)
147 non_accessible_lus = 0;
148 else
149 non_accessible_lus = 1;
150
151 return snprintf(page, PAGE_SIZE, "%u\n", non_accessible_lus);
152}
153
154static ssize_t target_stat_tgt_resets_show(struct config_item *item,
155 char *page)
156{
157 return snprintf(page, PAGE_SIZE, "%lu\n",
158 atomic_long_read(&to_stat_tgt_dev(item)->num_resets));
159}
160
161CONFIGFS_ATTR_RO(target_stat_tgt_, inst);
162CONFIGFS_ATTR_RO(target_stat_tgt_, indx);
163CONFIGFS_ATTR_RO(target_stat_tgt_, num_lus);
164CONFIGFS_ATTR_RO(target_stat_tgt_, status);
165CONFIGFS_ATTR_RO(target_stat_tgt_, non_access_lus);
166CONFIGFS_ATTR_RO(target_stat_tgt_, resets);
167
168static struct configfs_attribute *target_stat_scsi_tgt_dev_attrs[] = {
169 &target_stat_tgt_attr_inst,
170 &target_stat_tgt_attr_indx,
171 &target_stat_tgt_attr_num_lus,
172 &target_stat_tgt_attr_status,
173 &target_stat_tgt_attr_non_access_lus,
174 &target_stat_tgt_attr_resets,
175 NULL,
176};
177
178static struct config_item_type target_stat_scsi_tgt_dev_cit = {
179 .ct_attrs = target_stat_scsi_tgt_dev_attrs,
180 .ct_owner = THIS_MODULE,
181};
182
183/*
184 * SCSI Logical Unit Table
185 */
186
187static struct se_device *to_stat_lu_dev(struct config_item *item)
188{
189 struct se_dev_stat_grps *sgrps = container_of(to_config_group(item),
190 struct se_dev_stat_grps, scsi_lu_group);
191 return container_of(sgrps, struct se_device, dev_stat_grps);
192}
193
194static ssize_t target_stat_lu_inst_show(struct config_item *item, char *page)
195{
196 struct se_hba *hba = to_stat_lu_dev(item)->se_hba;
197
198 return snprintf(page, PAGE_SIZE, "%u\n", hba->hba_index);
199}
200
201static ssize_t target_stat_lu_dev_show(struct config_item *item, char *page)
202{
203 return snprintf(page, PAGE_SIZE, "%u\n",
204 to_stat_lu_dev(item)->dev_index);
205}
206
207static ssize_t target_stat_lu_indx_show(struct config_item *item, char *page)
208{
209 return snprintf(page, PAGE_SIZE, "%u\n", SCSI_LU_INDEX);
210}
211
212static ssize_t target_stat_lu_lun_show(struct config_item *item, char *page)
213{
214 /* FIXME: scsiLuDefaultLun */
215 return snprintf(page, PAGE_SIZE, "%llu\n", (unsigned long long)0);
216}
217
218static ssize_t target_stat_lu_lu_name_show(struct config_item *item, char *page)
219{
220 struct se_device *dev = to_stat_lu_dev(item);
221
222 /* scsiLuWwnName */
223 return snprintf(page, PAGE_SIZE, "%s\n",
224 (strlen(dev->t10_wwn.unit_serial)) ?
225 dev->t10_wwn.unit_serial : "None");
226}
227
228static ssize_t target_stat_lu_vend_show(struct config_item *item, char *page)
229{
230 struct se_device *dev = to_stat_lu_dev(item);
231 int i;
232 char str[sizeof(dev->t10_wwn.vendor)+1];
233
234 /* scsiLuVendorId */
235 for (i = 0; i < sizeof(dev->t10_wwn.vendor); i++)
236 str[i] = ISPRINT(dev->t10_wwn.vendor[i]) ?
237 dev->t10_wwn.vendor[i] : ' ';
238 str[i] = '\0';
239 return snprintf(page, PAGE_SIZE, "%s\n", str);
240}
241
242static ssize_t target_stat_lu_prod_show(struct config_item *item, char *page)
243{
244 struct se_device *dev = to_stat_lu_dev(item);
245 int i;
246 char str[sizeof(dev->t10_wwn.model)+1];
247
248 /* scsiLuProductId */
249 for (i = 0; i < sizeof(dev->t10_wwn.model); i++)
250 str[i] = ISPRINT(dev->t10_wwn.model[i]) ?
251 dev->t10_wwn.model[i] : ' ';
252 str[i] = '\0';
253 return snprintf(page, PAGE_SIZE, "%s\n", str);
254}
255
256static ssize_t target_stat_lu_rev_show(struct config_item *item, char *page)
257{
258 struct se_device *dev = to_stat_lu_dev(item);
259 int i;
260 char str[sizeof(dev->t10_wwn.revision)+1];
261
262 /* scsiLuRevisionId */
263 for (i = 0; i < sizeof(dev->t10_wwn.revision); i++)
264 str[i] = ISPRINT(dev->t10_wwn.revision[i]) ?
265 dev->t10_wwn.revision[i] : ' ';
266 str[i] = '\0';
267 return snprintf(page, PAGE_SIZE, "%s\n", str);
268}
269
270static ssize_t target_stat_lu_dev_type_show(struct config_item *item, char *page)
271{
272 struct se_device *dev = to_stat_lu_dev(item);
273
274 /* scsiLuPeripheralType */
275 return snprintf(page, PAGE_SIZE, "%u\n",
276 dev->transport->get_device_type(dev));
277}
278
279static ssize_t target_stat_lu_status_show(struct config_item *item, char *page)
280{
281 struct se_device *dev = to_stat_lu_dev(item);
282
283 /* scsiLuStatus */
284 return snprintf(page, PAGE_SIZE, "%s\n",
285 (dev->export_count) ? "available" : "notavailable");
286}
287
288static ssize_t target_stat_lu_state_bit_show(struct config_item *item,
289 char *page)
290{
291 /* scsiLuState */
292 return snprintf(page, PAGE_SIZE, "exposed\n");
293}
294
295static ssize_t target_stat_lu_num_cmds_show(struct config_item *item,
296 char *page)
297{
298 struct se_device *dev = to_stat_lu_dev(item);
299
300 /* scsiLuNumCommands */
301 return snprintf(page, PAGE_SIZE, "%lu\n",
302 atomic_long_read(&dev->num_cmds));
303}
304
305static ssize_t target_stat_lu_read_mbytes_show(struct config_item *item,
306 char *page)
307{
308 struct se_device *dev = to_stat_lu_dev(item);
309
310 /* scsiLuReadMegaBytes */
311 return snprintf(page, PAGE_SIZE, "%lu\n",
312 atomic_long_read(&dev->read_bytes) >> 20);
313}
314
315static ssize_t target_stat_lu_write_mbytes_show(struct config_item *item,
316 char *page)
317{
318 struct se_device *dev = to_stat_lu_dev(item);
319
320 /* scsiLuWrittenMegaBytes */
321 return snprintf(page, PAGE_SIZE, "%lu\n",
322 atomic_long_read(&dev->write_bytes) >> 20);
323}
324
325static ssize_t target_stat_lu_resets_show(struct config_item *item, char *page)
326{
327 struct se_device *dev = to_stat_lu_dev(item);
328
329 /* scsiLuInResets */
330 return snprintf(page, PAGE_SIZE, "%lu\n",
331 atomic_long_read(&dev->num_resets));
332}
333
334static ssize_t target_stat_lu_full_stat_show(struct config_item *item,
335 char *page)
336{
337 /* FIXME: scsiLuOutTaskSetFullStatus */
338 return snprintf(page, PAGE_SIZE, "%u\n", 0);
339}
340
341static ssize_t target_stat_lu_hs_num_cmds_show(struct config_item *item,
342 char *page)
343{
344 /* FIXME: scsiLuHSInCommands */
345 return snprintf(page, PAGE_SIZE, "%u\n", 0);
346}
347
348static ssize_t target_stat_lu_creation_time_show(struct config_item *item,
349 char *page)
350{
351 struct se_device *dev = to_stat_lu_dev(item);
352
353 /* scsiLuCreationTime */
354 return snprintf(page, PAGE_SIZE, "%u\n", (u32)(((u32)dev->creation_time -
355 INITIAL_JIFFIES) * 100 / HZ));
356}
357
358CONFIGFS_ATTR_RO(target_stat_lu_, inst);
359CONFIGFS_ATTR_RO(target_stat_lu_, dev);
360CONFIGFS_ATTR_RO(target_stat_lu_, indx);
361CONFIGFS_ATTR_RO(target_stat_lu_, lun);
362CONFIGFS_ATTR_RO(target_stat_lu_, lu_name);
363CONFIGFS_ATTR_RO(target_stat_lu_, vend);
364CONFIGFS_ATTR_RO(target_stat_lu_, prod);
365CONFIGFS_ATTR_RO(target_stat_lu_, rev);
366CONFIGFS_ATTR_RO(target_stat_lu_, dev_type);
367CONFIGFS_ATTR_RO(target_stat_lu_, status);
368CONFIGFS_ATTR_RO(target_stat_lu_, state_bit);
369CONFIGFS_ATTR_RO(target_stat_lu_, num_cmds);
370CONFIGFS_ATTR_RO(target_stat_lu_, read_mbytes);
371CONFIGFS_ATTR_RO(target_stat_lu_, write_mbytes);
372CONFIGFS_ATTR_RO(target_stat_lu_, resets);
373CONFIGFS_ATTR_RO(target_stat_lu_, full_stat);
374CONFIGFS_ATTR_RO(target_stat_lu_, hs_num_cmds);
375CONFIGFS_ATTR_RO(target_stat_lu_, creation_time);
376
377static struct configfs_attribute *target_stat_scsi_lu_attrs[] = {
378 &target_stat_lu_attr_inst,
379 &target_stat_lu_attr_dev,
380 &target_stat_lu_attr_indx,
381 &target_stat_lu_attr_lun,
382 &target_stat_lu_attr_lu_name,
383 &target_stat_lu_attr_vend,
384 &target_stat_lu_attr_prod,
385 &target_stat_lu_attr_rev,
386 &target_stat_lu_attr_dev_type,
387 &target_stat_lu_attr_status,
388 &target_stat_lu_attr_state_bit,
389 &target_stat_lu_attr_num_cmds,
390 &target_stat_lu_attr_read_mbytes,
391 &target_stat_lu_attr_write_mbytes,
392 &target_stat_lu_attr_resets,
393 &target_stat_lu_attr_full_stat,
394 &target_stat_lu_attr_hs_num_cmds,
395 &target_stat_lu_attr_creation_time,
396 NULL,
397};
398
399static struct config_item_type target_stat_scsi_lu_cit = {
400 .ct_attrs = target_stat_scsi_lu_attrs,
401 .ct_owner = THIS_MODULE,
402};
403
404/*
405 * Called from target_core_configfs.c:target_core_make_subdev() to setup
406 * the target statistics groups + configfs CITs located in target_core_stat.c
407 */
408void target_stat_setup_dev_default_groups(struct se_device *dev)
409{
410 config_group_init_type_name(&dev->dev_stat_grps.scsi_dev_group,
411 "scsi_dev", &target_stat_scsi_dev_cit);
412 configfs_add_default_group(&dev->dev_stat_grps.scsi_dev_group,
413 &dev->dev_stat_grps.stat_group);
414
415 config_group_init_type_name(&dev->dev_stat_grps.scsi_tgt_dev_group,
416 "scsi_tgt_dev", &target_stat_scsi_tgt_dev_cit);
417 configfs_add_default_group(&dev->dev_stat_grps.scsi_tgt_dev_group,
418 &dev->dev_stat_grps.stat_group);
419
420 config_group_init_type_name(&dev->dev_stat_grps.scsi_lu_group,
421 "scsi_lu", &target_stat_scsi_lu_cit);
422 configfs_add_default_group(&dev->dev_stat_grps.scsi_lu_group,
423 &dev->dev_stat_grps.stat_group);
424}
425
426/*
427 * SCSI Port Table
428 */
429
430static struct se_lun *to_stat_port(struct config_item *item)
431{
432 struct se_port_stat_grps *pgrps = container_of(to_config_group(item),
433 struct se_port_stat_grps, scsi_port_group);
434 return container_of(pgrps, struct se_lun, port_stat_grps);
435}
436
437static ssize_t target_stat_port_inst_show(struct config_item *item, char *page)
438{
439 struct se_lun *lun = to_stat_port(item);
440 struct se_device *dev;
441 ssize_t ret = -ENODEV;
442
443 rcu_read_lock();
444 dev = rcu_dereference(lun->lun_se_dev);
445 if (dev)
446 ret = snprintf(page, PAGE_SIZE, "%u\n", dev->hba_index);
447 rcu_read_unlock();
448 return ret;
449}
450
451static ssize_t target_stat_port_dev_show(struct config_item *item, char *page)
452{
453 struct se_lun *lun = to_stat_port(item);
454 struct se_device *dev;
455 ssize_t ret = -ENODEV;
456
457 rcu_read_lock();
458 dev = rcu_dereference(lun->lun_se_dev);
459 if (dev)
460 ret = snprintf(page, PAGE_SIZE, "%u\n", dev->dev_index);
461 rcu_read_unlock();
462 return ret;
463}
464
465static ssize_t target_stat_port_indx_show(struct config_item *item, char *page)
466{
467 struct se_lun *lun = to_stat_port(item);
468 struct se_device *dev;
469 ssize_t ret = -ENODEV;
470
471 rcu_read_lock();
472 dev = rcu_dereference(lun->lun_se_dev);
473 if (dev)
474 ret = snprintf(page, PAGE_SIZE, "%u\n", lun->lun_rtpi);
475 rcu_read_unlock();
476 return ret;
477}
478
479static ssize_t target_stat_port_role_show(struct config_item *item, char *page)
480{
481 struct se_lun *lun = to_stat_port(item);
482 struct se_device *dev;
483 ssize_t ret = -ENODEV;
484
485 rcu_read_lock();
486 dev = rcu_dereference(lun->lun_se_dev);
487 if (dev)
488 ret = snprintf(page, PAGE_SIZE, "%s%u\n", "Device", dev->dev_index);
489 rcu_read_unlock();
490 return ret;
491}
492
493static ssize_t target_stat_port_busy_count_show(struct config_item *item,
494 char *page)
495{
496 struct se_lun *lun = to_stat_port(item);
497 struct se_device *dev;
498 ssize_t ret = -ENODEV;
499
500 rcu_read_lock();
501 dev = rcu_dereference(lun->lun_se_dev);
502 if (dev) {
503 /* FIXME: scsiPortBusyStatuses */
504 ret = snprintf(page, PAGE_SIZE, "%u\n", 0);
505 }
506 rcu_read_unlock();
507 return ret;
508}
509
510CONFIGFS_ATTR_RO(target_stat_port_, inst);
511CONFIGFS_ATTR_RO(target_stat_port_, dev);
512CONFIGFS_ATTR_RO(target_stat_port_, indx);
513CONFIGFS_ATTR_RO(target_stat_port_, role);
514CONFIGFS_ATTR_RO(target_stat_port_, busy_count);
515
516static struct configfs_attribute *target_stat_scsi_port_attrs[] = {
517 &target_stat_port_attr_inst,
518 &target_stat_port_attr_dev,
519 &target_stat_port_attr_indx,
520 &target_stat_port_attr_role,
521 &target_stat_port_attr_busy_count,
522 NULL,
523};
524
525static struct config_item_type target_stat_scsi_port_cit = {
526 .ct_attrs = target_stat_scsi_port_attrs,
527 .ct_owner = THIS_MODULE,
528};
529
530/*
531 * SCSI Target Port Table
532 */
533static struct se_lun *to_stat_tgt_port(struct config_item *item)
534{
535 struct se_port_stat_grps *pgrps = container_of(to_config_group(item),
536 struct se_port_stat_grps, scsi_tgt_port_group);
537 return container_of(pgrps, struct se_lun, port_stat_grps);
538}
539
540static ssize_t target_stat_tgt_port_inst_show(struct config_item *item,
541 char *page)
542{
543 struct se_lun *lun = to_stat_tgt_port(item);
544 struct se_device *dev;
545 ssize_t ret = -ENODEV;
546
547 rcu_read_lock();
548 dev = rcu_dereference(lun->lun_se_dev);
549 if (dev)
550 ret = snprintf(page, PAGE_SIZE, "%u\n", dev->hba_index);
551 rcu_read_unlock();
552 return ret;
553}
554
555static ssize_t target_stat_tgt_port_dev_show(struct config_item *item,
556 char *page)
557{
558 struct se_lun *lun = to_stat_tgt_port(item);
559 struct se_device *dev;
560 ssize_t ret = -ENODEV;
561
562 rcu_read_lock();
563 dev = rcu_dereference(lun->lun_se_dev);
564 if (dev)
565 ret = snprintf(page, PAGE_SIZE, "%u\n", dev->dev_index);
566 rcu_read_unlock();
567 return ret;
568}
569
570static ssize_t target_stat_tgt_port_indx_show(struct config_item *item,
571 char *page)
572{
573 struct se_lun *lun = to_stat_tgt_port(item);
574 struct se_device *dev;
575 ssize_t ret = -ENODEV;
576
577 rcu_read_lock();
578 dev = rcu_dereference(lun->lun_se_dev);
579 if (dev)
580 ret = snprintf(page, PAGE_SIZE, "%u\n", lun->lun_rtpi);
581 rcu_read_unlock();
582 return ret;
583}
584
585static ssize_t target_stat_tgt_port_name_show(struct config_item *item,
586 char *page)
587{
588 struct se_lun *lun = to_stat_tgt_port(item);
589 struct se_portal_group *tpg = lun->lun_tpg;
590 struct se_device *dev;
591 ssize_t ret = -ENODEV;
592
593 rcu_read_lock();
594 dev = rcu_dereference(lun->lun_se_dev);
595 if (dev)
596 ret = snprintf(page, PAGE_SIZE, "%sPort#%u\n",
597 tpg->se_tpg_tfo->get_fabric_name(),
598 lun->lun_rtpi);
599 rcu_read_unlock();
600 return ret;
601}
602
603static ssize_t target_stat_tgt_port_port_index_show(struct config_item *item,
604 char *page)
605{
606 struct se_lun *lun = to_stat_tgt_port(item);
607 struct se_portal_group *tpg = lun->lun_tpg;
608 struct se_device *dev;
609 ssize_t ret = -ENODEV;
610
611 rcu_read_lock();
612 dev = rcu_dereference(lun->lun_se_dev);
613 if (dev)
614 ret = snprintf(page, PAGE_SIZE, "%s%s%d\n",
615 tpg->se_tpg_tfo->tpg_get_wwn(tpg), "+t+",
616 tpg->se_tpg_tfo->tpg_get_tag(tpg));
617 rcu_read_unlock();
618 return ret;
619}
620
621static ssize_t target_stat_tgt_port_in_cmds_show(struct config_item *item,
622 char *page)
623{
624 struct se_lun *lun = to_stat_tgt_port(item);
625 struct se_device *dev;
626 ssize_t ret = -ENODEV;
627
628 rcu_read_lock();
629 dev = rcu_dereference(lun->lun_se_dev);
630 if (dev)
631 ret = snprintf(page, PAGE_SIZE, "%lu\n",
632 atomic_long_read(&lun->lun_stats.cmd_pdus));
633 rcu_read_unlock();
634 return ret;
635}
636
637static ssize_t target_stat_tgt_port_write_mbytes_show(struct config_item *item,
638 char *page)
639{
640 struct se_lun *lun = to_stat_tgt_port(item);
641 struct se_device *dev;
642 ssize_t ret = -ENODEV;
643
644 rcu_read_lock();
645 dev = rcu_dereference(lun->lun_se_dev);
646 if (dev)
647 ret = snprintf(page, PAGE_SIZE, "%u\n",
648 (u32)(atomic_long_read(&lun->lun_stats.rx_data_octets) >> 20));
649 rcu_read_unlock();
650 return ret;
651}
652
653static ssize_t target_stat_tgt_port_read_mbytes_show(struct config_item *item,
654 char *page)
655{
656 struct se_lun *lun = to_stat_tgt_port(item);
657 struct se_device *dev;
658 ssize_t ret = -ENODEV;
659
660 rcu_read_lock();
661 dev = rcu_dereference(lun->lun_se_dev);
662 if (dev)
663 ret = snprintf(page, PAGE_SIZE, "%u\n",
664 (u32)(atomic_long_read(&lun->lun_stats.tx_data_octets) >> 20));
665 rcu_read_unlock();
666 return ret;
667}
668
669static ssize_t target_stat_tgt_port_hs_in_cmds_show(struct config_item *item,
670 char *page)
671{
672 struct se_lun *lun = to_stat_tgt_port(item);
673 struct se_device *dev;
674 ssize_t ret = -ENODEV;
675
676 rcu_read_lock();
677 dev = rcu_dereference(lun->lun_se_dev);
678 if (dev) {
679 /* FIXME: scsiTgtPortHsInCommands */
680 ret = snprintf(page, PAGE_SIZE, "%u\n", 0);
681 }
682 rcu_read_unlock();
683 return ret;
684}
685
686CONFIGFS_ATTR_RO(target_stat_tgt_port_, inst);
687CONFIGFS_ATTR_RO(target_stat_tgt_port_, dev);
688CONFIGFS_ATTR_RO(target_stat_tgt_port_, indx);
689CONFIGFS_ATTR_RO(target_stat_tgt_port_, name);
690CONFIGFS_ATTR_RO(target_stat_tgt_port_, port_index);
691CONFIGFS_ATTR_RO(target_stat_tgt_port_, in_cmds);
692CONFIGFS_ATTR_RO(target_stat_tgt_port_, write_mbytes);
693CONFIGFS_ATTR_RO(target_stat_tgt_port_, read_mbytes);
694CONFIGFS_ATTR_RO(target_stat_tgt_port_, hs_in_cmds);
695
696static struct configfs_attribute *target_stat_scsi_tgt_port_attrs[] = {
697 &target_stat_tgt_port_attr_inst,
698 &target_stat_tgt_port_attr_dev,
699 &target_stat_tgt_port_attr_indx,
700 &target_stat_tgt_port_attr_name,
701 &target_stat_tgt_port_attr_port_index,
702 &target_stat_tgt_port_attr_in_cmds,
703 &target_stat_tgt_port_attr_write_mbytes,
704 &target_stat_tgt_port_attr_read_mbytes,
705 &target_stat_tgt_port_attr_hs_in_cmds,
706 NULL,
707};
708
709static struct config_item_type target_stat_scsi_tgt_port_cit = {
710 .ct_attrs = target_stat_scsi_tgt_port_attrs,
711 .ct_owner = THIS_MODULE,
712};
713
714/*
715 * SCSI Transport Table
716 */
717static struct se_lun *to_transport_stat(struct config_item *item)
718{
719 struct se_port_stat_grps *pgrps = container_of(to_config_group(item),
720 struct se_port_stat_grps, scsi_transport_group);
721 return container_of(pgrps, struct se_lun, port_stat_grps);
722}
723
724static ssize_t target_stat_transport_inst_show(struct config_item *item,
725 char *page)
726{
727 struct se_lun *lun = to_transport_stat(item);
728 struct se_device *dev;
729 ssize_t ret = -ENODEV;
730
731 rcu_read_lock();
732 dev = rcu_dereference(lun->lun_se_dev);
733 if (dev)
734 ret = snprintf(page, PAGE_SIZE, "%u\n", dev->hba_index);
735 rcu_read_unlock();
736 return ret;
737}
738
739static ssize_t target_stat_transport_device_show(struct config_item *item,
740 char *page)
741{
742 struct se_lun *lun = to_transport_stat(item);
743 struct se_device *dev;
744 struct se_portal_group *tpg = lun->lun_tpg;
745 ssize_t ret = -ENODEV;
746
747 rcu_read_lock();
748 dev = rcu_dereference(lun->lun_se_dev);
749 if (dev) {
750 /* scsiTransportType */
751 ret = snprintf(page, PAGE_SIZE, "scsiTransport%s\n",
752 tpg->se_tpg_tfo->get_fabric_name());
753 }
754 rcu_read_unlock();
755 return ret;
756}
757
758static ssize_t target_stat_transport_indx_show(struct config_item *item,
759 char *page)
760{
761 struct se_lun *lun = to_transport_stat(item);
762 struct se_device *dev;
763 struct se_portal_group *tpg = lun->lun_tpg;
764 ssize_t ret = -ENODEV;
765
766 rcu_read_lock();
767 dev = rcu_dereference(lun->lun_se_dev);
768 if (dev)
769 ret = snprintf(page, PAGE_SIZE, "%u\n",
770 tpg->se_tpg_tfo->tpg_get_inst_index(tpg));
771 rcu_read_unlock();
772 return ret;
773}
774
775static ssize_t target_stat_transport_dev_name_show(struct config_item *item,
776 char *page)
777{
778 struct se_lun *lun = to_transport_stat(item);
779 struct se_device *dev;
780 struct se_portal_group *tpg = lun->lun_tpg;
781 struct t10_wwn *wwn;
782 ssize_t ret = -ENODEV;
783
784 rcu_read_lock();
785 dev = rcu_dereference(lun->lun_se_dev);
786 if (dev) {
787 wwn = &dev->t10_wwn;
788 /* scsiTransportDevName */
789 ret = snprintf(page, PAGE_SIZE, "%s+%s\n",
790 tpg->se_tpg_tfo->tpg_get_wwn(tpg),
791 (strlen(wwn->unit_serial)) ? wwn->unit_serial :
792 wwn->vendor);
793 }
794 rcu_read_unlock();
795 return ret;
796}
797
798CONFIGFS_ATTR_RO(target_stat_transport_, inst);
799CONFIGFS_ATTR_RO(target_stat_transport_, device);
800CONFIGFS_ATTR_RO(target_stat_transport_, indx);
801CONFIGFS_ATTR_RO(target_stat_transport_, dev_name);
802
803static struct configfs_attribute *target_stat_scsi_transport_attrs[] = {
804 &target_stat_transport_attr_inst,
805 &target_stat_transport_attr_device,
806 &target_stat_transport_attr_indx,
807 &target_stat_transport_attr_dev_name,
808 NULL,
809};
810
811static struct config_item_type target_stat_scsi_transport_cit = {
812 .ct_attrs = target_stat_scsi_transport_attrs,
813 .ct_owner = THIS_MODULE,
814};
815
816/*
817 * Called from target_core_fabric_configfs.c:target_fabric_make_lun() to setup
818 * the target port statistics groups + configfs CITs located in target_core_stat.c
819 */
820void target_stat_setup_port_default_groups(struct se_lun *lun)
821{
822 config_group_init_type_name(&lun->port_stat_grps.scsi_port_group,
823 "scsi_port", &target_stat_scsi_port_cit);
824 configfs_add_default_group(&lun->port_stat_grps.scsi_port_group,
825 &lun->port_stat_grps.stat_group);
826
827 config_group_init_type_name(&lun->port_stat_grps.scsi_tgt_port_group,
828 "scsi_tgt_port", &target_stat_scsi_tgt_port_cit);
829 configfs_add_default_group(&lun->port_stat_grps.scsi_tgt_port_group,
830 &lun->port_stat_grps.stat_group);
831
832 config_group_init_type_name(&lun->port_stat_grps.scsi_transport_group,
833 "scsi_transport", &target_stat_scsi_transport_cit);
834 configfs_add_default_group(&lun->port_stat_grps.scsi_transport_group,
835 &lun->port_stat_grps.stat_group);
836}
837
838/*
839 * SCSI Authorized Initiator Table
840 */
841
842static struct se_lun_acl *auth_to_lacl(struct config_item *item)
843{
844 struct se_ml_stat_grps *lgrps = container_of(to_config_group(item),
845 struct se_ml_stat_grps, scsi_auth_intr_group);
846 return container_of(lgrps, struct se_lun_acl, ml_stat_grps);
847}
848
849static ssize_t target_stat_auth_inst_show(struct config_item *item,
850 char *page)
851{
852 struct se_lun_acl *lacl = auth_to_lacl(item);
853 struct se_node_acl *nacl = lacl->se_lun_nacl;
854 struct se_dev_entry *deve;
855 struct se_portal_group *tpg;
856 ssize_t ret;
857
858 rcu_read_lock();
859 deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
860 if (!deve) {
861 rcu_read_unlock();
862 return -ENODEV;
863 }
864 tpg = nacl->se_tpg;
865 /* scsiInstIndex */
866 ret = snprintf(page, PAGE_SIZE, "%u\n",
867 tpg->se_tpg_tfo->tpg_get_inst_index(tpg));
868 rcu_read_unlock();
869 return ret;
870}
871
872static ssize_t target_stat_auth_dev_show(struct config_item *item,
873 char *page)
874{
875 struct se_lun_acl *lacl = auth_to_lacl(item);
876 struct se_node_acl *nacl = lacl->se_lun_nacl;
877 struct se_dev_entry *deve;
878 struct se_lun *lun;
879 ssize_t ret;
880
881 rcu_read_lock();
882 deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
883 if (!deve) {
884 rcu_read_unlock();
885 return -ENODEV;
886 }
887 lun = rcu_dereference(deve->se_lun);
888 /* scsiDeviceIndex */
889 ret = snprintf(page, PAGE_SIZE, "%u\n", lun->lun_index);
890 rcu_read_unlock();
891 return ret;
892}
893
894static ssize_t target_stat_auth_port_show(struct config_item *item,
895 char *page)
896{
897 struct se_lun_acl *lacl = auth_to_lacl(item);
898 struct se_node_acl *nacl = lacl->se_lun_nacl;
899 struct se_dev_entry *deve;
900 struct se_portal_group *tpg;
901 ssize_t ret;
902
903 rcu_read_lock();
904 deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
905 if (!deve) {
906 rcu_read_unlock();
907 return -ENODEV;
908 }
909 tpg = nacl->se_tpg;
910 /* scsiAuthIntrTgtPortIndex */
911 ret = snprintf(page, PAGE_SIZE, "%u\n", tpg->se_tpg_tfo->tpg_get_tag(tpg));
912 rcu_read_unlock();
913 return ret;
914}
915
916static ssize_t target_stat_auth_indx_show(struct config_item *item,
917 char *page)
918{
919 struct se_lun_acl *lacl = auth_to_lacl(item);
920 struct se_node_acl *nacl = lacl->se_lun_nacl;
921 struct se_dev_entry *deve;
922 ssize_t ret;
923
924 rcu_read_lock();
925 deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
926 if (!deve) {
927 rcu_read_unlock();
928 return -ENODEV;
929 }
930 /* scsiAuthIntrIndex */
931 ret = snprintf(page, PAGE_SIZE, "%u\n", nacl->acl_index);
932 rcu_read_unlock();
933 return ret;
934}
935
936static ssize_t target_stat_auth_dev_or_port_show(struct config_item *item,
937 char *page)
938{
939 struct se_lun_acl *lacl = auth_to_lacl(item);
940 struct se_node_acl *nacl = lacl->se_lun_nacl;
941 struct se_dev_entry *deve;
942 ssize_t ret;
943
944 rcu_read_lock();
945 deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
946 if (!deve) {
947 rcu_read_unlock();
948 return -ENODEV;
949 }
950 /* scsiAuthIntrDevOrPort */
951 ret = snprintf(page, PAGE_SIZE, "%u\n", 1);
952 rcu_read_unlock();
953 return ret;
954}
955
956static ssize_t target_stat_auth_intr_name_show(struct config_item *item,
957 char *page)
958{
959 struct se_lun_acl *lacl = auth_to_lacl(item);
960 struct se_node_acl *nacl = lacl->se_lun_nacl;
961 struct se_dev_entry *deve;
962 ssize_t ret;
963
964 rcu_read_lock();
965 deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
966 if (!deve) {
967 rcu_read_unlock();
968 return -ENODEV;
969 }
970 /* scsiAuthIntrName */
971 ret = snprintf(page, PAGE_SIZE, "%s\n", nacl->initiatorname);
972 rcu_read_unlock();
973 return ret;
974}
975
976static ssize_t target_stat_auth_map_indx_show(struct config_item *item,
977 char *page)
978{
979 struct se_lun_acl *lacl = auth_to_lacl(item);
980 struct se_node_acl *nacl = lacl->se_lun_nacl;
981 struct se_dev_entry *deve;
982 ssize_t ret;
983
984 rcu_read_lock();
985 deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
986 if (!deve) {
987 rcu_read_unlock();
988 return -ENODEV;
989 }
990 /* FIXME: scsiAuthIntrLunMapIndex */
991 ret = snprintf(page, PAGE_SIZE, "%u\n", 0);
992 rcu_read_unlock();
993 return ret;
994}
995
996static ssize_t target_stat_auth_att_count_show(struct config_item *item,
997 char *page)
998{
999 struct se_lun_acl *lacl = auth_to_lacl(item);
1000 struct se_node_acl *nacl = lacl->se_lun_nacl;
1001 struct se_dev_entry *deve;
1002 ssize_t ret;
1003
1004 rcu_read_lock();
1005 deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
1006 if (!deve) {
1007 rcu_read_unlock();
1008 return -ENODEV;
1009 }
1010 /* scsiAuthIntrAttachedTimes */
1011 ret = snprintf(page, PAGE_SIZE, "%u\n", deve->attach_count);
1012 rcu_read_unlock();
1013 return ret;
1014}
1015
1016static ssize_t target_stat_auth_num_cmds_show(struct config_item *item,
1017 char *page)
1018{
1019 struct se_lun_acl *lacl = auth_to_lacl(item);
1020 struct se_node_acl *nacl = lacl->se_lun_nacl;
1021 struct se_dev_entry *deve;
1022 ssize_t ret;
1023
1024 rcu_read_lock();
1025 deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
1026 if (!deve) {
1027 rcu_read_unlock();
1028 return -ENODEV;
1029 }
1030 /* scsiAuthIntrOutCommands */
1031 ret = snprintf(page, PAGE_SIZE, "%lu\n",
1032 atomic_long_read(&deve->total_cmds));
1033 rcu_read_unlock();
1034 return ret;
1035}
1036
1037static ssize_t target_stat_auth_read_mbytes_show(struct config_item *item,
1038 char *page)
1039{
1040 struct se_lun_acl *lacl = auth_to_lacl(item);
1041 struct se_node_acl *nacl = lacl->se_lun_nacl;
1042 struct se_dev_entry *deve;
1043 ssize_t ret;
1044
1045 rcu_read_lock();
1046 deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
1047 if (!deve) {
1048 rcu_read_unlock();
1049 return -ENODEV;
1050 }
1051 /* scsiAuthIntrReadMegaBytes */
1052 ret = snprintf(page, PAGE_SIZE, "%u\n",
1053 (u32)(atomic_long_read(&deve->read_bytes) >> 20));
1054 rcu_read_unlock();
1055 return ret;
1056}
1057
1058static ssize_t target_stat_auth_write_mbytes_show(struct config_item *item,
1059 char *page)
1060{
1061 struct se_lun_acl *lacl = auth_to_lacl(item);
1062 struct se_node_acl *nacl = lacl->se_lun_nacl;
1063 struct se_dev_entry *deve;
1064 ssize_t ret;
1065
1066 rcu_read_lock();
1067 deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
1068 if (!deve) {
1069 rcu_read_unlock();
1070 return -ENODEV;
1071 }
1072 /* scsiAuthIntrWrittenMegaBytes */
1073 ret = snprintf(page, PAGE_SIZE, "%u\n",
1074 (u32)(atomic_long_read(&deve->write_bytes) >> 20));
1075 rcu_read_unlock();
1076 return ret;
1077}
1078
1079static ssize_t target_stat_auth_hs_num_cmds_show(struct config_item *item,
1080 char *page)
1081{
1082 struct se_lun_acl *lacl = auth_to_lacl(item);
1083 struct se_node_acl *nacl = lacl->se_lun_nacl;
1084 struct se_dev_entry *deve;
1085 ssize_t ret;
1086
1087 rcu_read_lock();
1088 deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
1089 if (!deve) {
1090 rcu_read_unlock();
1091 return -ENODEV;
1092 }
1093 /* FIXME: scsiAuthIntrHSOutCommands */
1094 ret = snprintf(page, PAGE_SIZE, "%u\n", 0);
1095 rcu_read_unlock();
1096 return ret;
1097}
1098
1099static ssize_t target_stat_auth_creation_time_show(struct config_item *item,
1100 char *page)
1101{
1102 struct se_lun_acl *lacl = auth_to_lacl(item);
1103 struct se_node_acl *nacl = lacl->se_lun_nacl;
1104 struct se_dev_entry *deve;
1105 ssize_t ret;
1106
1107 rcu_read_lock();
1108 deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
1109 if (!deve) {
1110 rcu_read_unlock();
1111 return -ENODEV;
1112 }
1113 /* scsiAuthIntrLastCreation */
1114 ret = snprintf(page, PAGE_SIZE, "%u\n", (u32)(((u32)deve->creation_time -
1115 INITIAL_JIFFIES) * 100 / HZ));
1116 rcu_read_unlock();
1117 return ret;
1118}
1119
1120static ssize_t target_stat_auth_row_status_show(struct config_item *item,
1121 char *page)
1122{
1123 struct se_lun_acl *lacl = auth_to_lacl(item);
1124 struct se_node_acl *nacl = lacl->se_lun_nacl;
1125 struct se_dev_entry *deve;
1126 ssize_t ret;
1127
1128 rcu_read_lock();
1129 deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
1130 if (!deve) {
1131 rcu_read_unlock();
1132 return -ENODEV;
1133 }
1134 /* FIXME: scsiAuthIntrRowStatus */
1135 ret = snprintf(page, PAGE_SIZE, "Ready\n");
1136 rcu_read_unlock();
1137 return ret;
1138}
1139
1140CONFIGFS_ATTR_RO(target_stat_auth_, inst);
1141CONFIGFS_ATTR_RO(target_stat_auth_, dev);
1142CONFIGFS_ATTR_RO(target_stat_auth_, port);
1143CONFIGFS_ATTR_RO(target_stat_auth_, indx);
1144CONFIGFS_ATTR_RO(target_stat_auth_, dev_or_port);
1145CONFIGFS_ATTR_RO(target_stat_auth_, intr_name);
1146CONFIGFS_ATTR_RO(target_stat_auth_, map_indx);
1147CONFIGFS_ATTR_RO(target_stat_auth_, att_count);
1148CONFIGFS_ATTR_RO(target_stat_auth_, num_cmds);
1149CONFIGFS_ATTR_RO(target_stat_auth_, read_mbytes);
1150CONFIGFS_ATTR_RO(target_stat_auth_, write_mbytes);
1151CONFIGFS_ATTR_RO(target_stat_auth_, hs_num_cmds);
1152CONFIGFS_ATTR_RO(target_stat_auth_, creation_time);
1153CONFIGFS_ATTR_RO(target_stat_auth_, row_status);
1154
1155static struct configfs_attribute *target_stat_scsi_auth_intr_attrs[] = {
1156 &target_stat_auth_attr_inst,
1157 &target_stat_auth_attr_dev,
1158 &target_stat_auth_attr_port,
1159 &target_stat_auth_attr_indx,
1160 &target_stat_auth_attr_dev_or_port,
1161 &target_stat_auth_attr_intr_name,
1162 &target_stat_auth_attr_map_indx,
1163 &target_stat_auth_attr_att_count,
1164 &target_stat_auth_attr_num_cmds,
1165 &target_stat_auth_attr_read_mbytes,
1166 &target_stat_auth_attr_write_mbytes,
1167 &target_stat_auth_attr_hs_num_cmds,
1168 &target_stat_auth_attr_creation_time,
1169 &target_stat_auth_attr_row_status,
1170 NULL,
1171};
1172
1173static struct config_item_type target_stat_scsi_auth_intr_cit = {
1174 .ct_attrs = target_stat_scsi_auth_intr_attrs,
1175 .ct_owner = THIS_MODULE,
1176};
1177
1178/*
1179 * SCSI Attached Initiator Port Table
1180 */
1181
1182static struct se_lun_acl *iport_to_lacl(struct config_item *item)
1183{
1184 struct se_ml_stat_grps *lgrps = container_of(to_config_group(item),
1185 struct se_ml_stat_grps, scsi_att_intr_port_group);
1186 return container_of(lgrps, struct se_lun_acl, ml_stat_grps);
1187}
1188
1189static ssize_t target_stat_iport_inst_show(struct config_item *item,
1190 char *page)
1191{
1192 struct se_lun_acl *lacl = iport_to_lacl(item);
1193 struct se_node_acl *nacl = lacl->se_lun_nacl;
1194 struct se_dev_entry *deve;
1195 struct se_portal_group *tpg;
1196 ssize_t ret;
1197
1198 rcu_read_lock();
1199 deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
1200 if (!deve) {
1201 rcu_read_unlock();
1202 return -ENODEV;
1203 }
1204 tpg = nacl->se_tpg;
1205 /* scsiInstIndex */
1206 ret = snprintf(page, PAGE_SIZE, "%u\n",
1207 tpg->se_tpg_tfo->tpg_get_inst_index(tpg));
1208 rcu_read_unlock();
1209 return ret;
1210}
1211
1212static ssize_t target_stat_iport_dev_show(struct config_item *item,
1213 char *page)
1214{
1215 struct se_lun_acl *lacl = iport_to_lacl(item);
1216 struct se_node_acl *nacl = lacl->se_lun_nacl;
1217 struct se_dev_entry *deve;
1218 struct se_lun *lun;
1219 ssize_t ret;
1220
1221 rcu_read_lock();
1222 deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
1223 if (!deve) {
1224 rcu_read_unlock();
1225 return -ENODEV;
1226 }
1227 lun = rcu_dereference(deve->se_lun);
1228 /* scsiDeviceIndex */
1229 ret = snprintf(page, PAGE_SIZE, "%u\n", lun->lun_index);
1230 rcu_read_unlock();
1231 return ret;
1232}
1233
1234static ssize_t target_stat_iport_port_show(struct config_item *item,
1235 char *page)
1236{
1237 struct se_lun_acl *lacl = iport_to_lacl(item);
1238 struct se_node_acl *nacl = lacl->se_lun_nacl;
1239 struct se_dev_entry *deve;
1240 struct se_portal_group *tpg;
1241 ssize_t ret;
1242
1243 rcu_read_lock();
1244 deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
1245 if (!deve) {
1246 rcu_read_unlock();
1247 return -ENODEV;
1248 }
1249 tpg = nacl->se_tpg;
1250 /* scsiPortIndex */
1251 ret = snprintf(page, PAGE_SIZE, "%u\n", tpg->se_tpg_tfo->tpg_get_tag(tpg));
1252 rcu_read_unlock();
1253 return ret;
1254}
1255
1256static ssize_t target_stat_iport_indx_show(struct config_item *item,
1257 char *page)
1258{
1259 struct se_lun_acl *lacl = iport_to_lacl(item);
1260 struct se_node_acl *nacl = lacl->se_lun_nacl;
1261 struct se_session *se_sess;
1262 struct se_portal_group *tpg;
1263 ssize_t ret;
1264
1265 spin_lock_irq(&nacl->nacl_sess_lock);
1266 se_sess = nacl->nacl_sess;
1267 if (!se_sess) {
1268 spin_unlock_irq(&nacl->nacl_sess_lock);
1269 return -ENODEV;
1270 }
1271
1272 tpg = nacl->se_tpg;
1273 /* scsiAttIntrPortIndex */
1274 ret = snprintf(page, PAGE_SIZE, "%u\n",
1275 tpg->se_tpg_tfo->sess_get_index(se_sess));
1276 spin_unlock_irq(&nacl->nacl_sess_lock);
1277 return ret;
1278}
1279
1280static ssize_t target_stat_iport_port_auth_indx_show(struct config_item *item,
1281 char *page)
1282{
1283 struct se_lun_acl *lacl = iport_to_lacl(item);
1284 struct se_node_acl *nacl = lacl->se_lun_nacl;
1285 struct se_dev_entry *deve;
1286 ssize_t ret;
1287
1288 rcu_read_lock();
1289 deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
1290 if (!deve) {
1291 rcu_read_unlock();
1292 return -ENODEV;
1293 }
1294 /* scsiAttIntrPortAuthIntrIdx */
1295 ret = snprintf(page, PAGE_SIZE, "%u\n", nacl->acl_index);
1296 rcu_read_unlock();
1297 return ret;
1298}
1299
1300static ssize_t target_stat_iport_port_ident_show(struct config_item *item,
1301 char *page)
1302{
1303 struct se_lun_acl *lacl = iport_to_lacl(item);
1304 struct se_node_acl *nacl = lacl->se_lun_nacl;
1305 struct se_session *se_sess;
1306 struct se_portal_group *tpg;
1307 ssize_t ret;
1308 unsigned char buf[64];
1309
1310 spin_lock_irq(&nacl->nacl_sess_lock);
1311 se_sess = nacl->nacl_sess;
1312 if (!se_sess) {
1313 spin_unlock_irq(&nacl->nacl_sess_lock);
1314 return -ENODEV;
1315 }
1316
1317 tpg = nacl->se_tpg;
1318 /* scsiAttIntrPortName+scsiAttIntrPortIdentifier */
1319 memset(buf, 0, 64);
1320 if (tpg->se_tpg_tfo->sess_get_initiator_sid != NULL)
1321 tpg->se_tpg_tfo->sess_get_initiator_sid(se_sess, buf, 64);
1322
1323 ret = snprintf(page, PAGE_SIZE, "%s+i+%s\n", nacl->initiatorname, buf);
1324 spin_unlock_irq(&nacl->nacl_sess_lock);
1325 return ret;
1326}
1327
1328CONFIGFS_ATTR_RO(target_stat_iport_, inst);
1329CONFIGFS_ATTR_RO(target_stat_iport_, dev);
1330CONFIGFS_ATTR_RO(target_stat_iport_, port);
1331CONFIGFS_ATTR_RO(target_stat_iport_, indx);
1332CONFIGFS_ATTR_RO(target_stat_iport_, port_auth_indx);
1333CONFIGFS_ATTR_RO(target_stat_iport_, port_ident);
1334
1335static struct configfs_attribute *target_stat_scsi_ath_intr_port_attrs[] = {
1336 &target_stat_iport_attr_inst,
1337 &target_stat_iport_attr_dev,
1338 &target_stat_iport_attr_port,
1339 &target_stat_iport_attr_indx,
1340 &target_stat_iport_attr_port_auth_indx,
1341 &target_stat_iport_attr_port_ident,
1342 NULL,
1343};
1344
1345static struct config_item_type target_stat_scsi_att_intr_port_cit = {
1346 .ct_attrs = target_stat_scsi_ath_intr_port_attrs,
1347 .ct_owner = THIS_MODULE,
1348};
1349
1350/*
1351 * Called from target_core_fabric_configfs.c:target_fabric_make_mappedlun() to setup
1352 * the target MappedLUN statistics groups + configfs CITs located in target_core_stat.c
1353 */
1354void target_stat_setup_mappedlun_default_groups(struct se_lun_acl *lacl)
1355{
1356 config_group_init_type_name(&lacl->ml_stat_grps.scsi_auth_intr_group,
1357 "scsi_auth_intr", &target_stat_scsi_auth_intr_cit);
1358 configfs_add_default_group(&lacl->ml_stat_grps.scsi_auth_intr_group,
1359 &lacl->ml_stat_grps.stat_group);
1360
1361 config_group_init_type_name(&lacl->ml_stat_grps.scsi_att_intr_port_group,
1362 "scsi_att_intr_port", &target_stat_scsi_att_intr_port_cit);
1363 configfs_add_default_group(&lacl->ml_stat_grps.scsi_att_intr_port_group,
1364 &lacl->ml_stat_grps.stat_group);
1365}
1// SPDX-License-Identifier: GPL-2.0-or-later
2/*******************************************************************************
3 * Filename: target_core_stat.c
4 *
5 * Modern ConfigFS group context specific statistics based on original
6 * target_core_mib.c code
7 *
8 * (c) Copyright 2006-2013 Datera, Inc.
9 *
10 * Nicholas A. Bellinger <nab@linux-iscsi.org>
11 *
12 ******************************************************************************/
13
14#include <linux/kernel.h>
15#include <linux/module.h>
16#include <linux/delay.h>
17#include <linux/timer.h>
18#include <linux/string.h>
19#include <linux/utsname.h>
20#include <linux/proc_fs.h>
21#include <linux/seq_file.h>
22#include <linux/configfs.h>
23
24#include <target/target_core_base.h>
25#include <target/target_core_backend.h>
26#include <target/target_core_fabric.h>
27
28#include "target_core_internal.h"
29
30#ifndef INITIAL_JIFFIES
31#define INITIAL_JIFFIES ((unsigned long)(unsigned int) (-300*HZ))
32#endif
33
34#define SCSI_LU_INDEX 1
35#define LU_COUNT 1
36
37/*
38 * SCSI Device Table
39 */
40
41static struct se_device *to_stat_dev(struct config_item *item)
42{
43 struct se_dev_stat_grps *sgrps = container_of(to_config_group(item),
44 struct se_dev_stat_grps, scsi_dev_group);
45 return container_of(sgrps, struct se_device, dev_stat_grps);
46}
47
48static ssize_t target_stat_inst_show(struct config_item *item, char *page)
49{
50 struct se_hba *hba = to_stat_dev(item)->se_hba;
51
52 return snprintf(page, PAGE_SIZE, "%u\n", hba->hba_index);
53}
54
55static ssize_t target_stat_indx_show(struct config_item *item, char *page)
56{
57 return snprintf(page, PAGE_SIZE, "%u\n", to_stat_dev(item)->dev_index);
58}
59
60static ssize_t target_stat_role_show(struct config_item *item, char *page)
61{
62 return snprintf(page, PAGE_SIZE, "Target\n");
63}
64
65static ssize_t target_stat_ports_show(struct config_item *item, char *page)
66{
67 return snprintf(page, PAGE_SIZE, "%u\n", to_stat_dev(item)->export_count);
68}
69
70CONFIGFS_ATTR_RO(target_stat_, inst);
71CONFIGFS_ATTR_RO(target_stat_, indx);
72CONFIGFS_ATTR_RO(target_stat_, role);
73CONFIGFS_ATTR_RO(target_stat_, ports);
74
75static struct configfs_attribute *target_stat_scsi_dev_attrs[] = {
76 &target_stat_attr_inst,
77 &target_stat_attr_indx,
78 &target_stat_attr_role,
79 &target_stat_attr_ports,
80 NULL,
81};
82
83static const struct config_item_type target_stat_scsi_dev_cit = {
84 .ct_attrs = target_stat_scsi_dev_attrs,
85 .ct_owner = THIS_MODULE,
86};
87
88/*
89 * SCSI Target Device Table
90 */
91static struct se_device *to_stat_tgt_dev(struct config_item *item)
92{
93 struct se_dev_stat_grps *sgrps = container_of(to_config_group(item),
94 struct se_dev_stat_grps, scsi_tgt_dev_group);
95 return container_of(sgrps, struct se_device, dev_stat_grps);
96}
97
98static ssize_t target_stat_tgt_inst_show(struct config_item *item, char *page)
99{
100 struct se_hba *hba = to_stat_tgt_dev(item)->se_hba;
101
102 return snprintf(page, PAGE_SIZE, "%u\n", hba->hba_index);
103}
104
105static ssize_t target_stat_tgt_indx_show(struct config_item *item, char *page)
106{
107 return snprintf(page, PAGE_SIZE, "%u\n", to_stat_tgt_dev(item)->dev_index);
108}
109
110static ssize_t target_stat_tgt_num_lus_show(struct config_item *item,
111 char *page)
112{
113 return snprintf(page, PAGE_SIZE, "%u\n", LU_COUNT);
114}
115
116static ssize_t target_stat_tgt_status_show(struct config_item *item,
117 char *page)
118{
119 if (to_stat_tgt_dev(item)->export_count)
120 return snprintf(page, PAGE_SIZE, "activated");
121 else
122 return snprintf(page, PAGE_SIZE, "deactivated");
123}
124
125static ssize_t target_stat_tgt_non_access_lus_show(struct config_item *item,
126 char *page)
127{
128 int non_accessible_lus;
129
130 if (to_stat_tgt_dev(item)->export_count)
131 non_accessible_lus = 0;
132 else
133 non_accessible_lus = 1;
134
135 return snprintf(page, PAGE_SIZE, "%u\n", non_accessible_lus);
136}
137
138static ssize_t target_stat_tgt_resets_show(struct config_item *item,
139 char *page)
140{
141 return snprintf(page, PAGE_SIZE, "%lu\n",
142 atomic_long_read(&to_stat_tgt_dev(item)->num_resets));
143}
144
145static ssize_t target_stat_tgt_aborts_complete_show(struct config_item *item,
146 char *page)
147{
148 return snprintf(page, PAGE_SIZE, "%lu\n",
149 atomic_long_read(&to_stat_tgt_dev(item)->aborts_complete));
150}
151
152static ssize_t target_stat_tgt_aborts_no_task_show(struct config_item *item,
153 char *page)
154{
155 return snprintf(page, PAGE_SIZE, "%lu\n",
156 atomic_long_read(&to_stat_tgt_dev(item)->aborts_no_task));
157}
158
159CONFIGFS_ATTR_RO(target_stat_tgt_, inst);
160CONFIGFS_ATTR_RO(target_stat_tgt_, indx);
161CONFIGFS_ATTR_RO(target_stat_tgt_, num_lus);
162CONFIGFS_ATTR_RO(target_stat_tgt_, status);
163CONFIGFS_ATTR_RO(target_stat_tgt_, non_access_lus);
164CONFIGFS_ATTR_RO(target_stat_tgt_, resets);
165CONFIGFS_ATTR_RO(target_stat_tgt_, aborts_complete);
166CONFIGFS_ATTR_RO(target_stat_tgt_, aborts_no_task);
167
168static struct configfs_attribute *target_stat_scsi_tgt_dev_attrs[] = {
169 &target_stat_tgt_attr_inst,
170 &target_stat_tgt_attr_indx,
171 &target_stat_tgt_attr_num_lus,
172 &target_stat_tgt_attr_status,
173 &target_stat_tgt_attr_non_access_lus,
174 &target_stat_tgt_attr_resets,
175 &target_stat_tgt_attr_aborts_complete,
176 &target_stat_tgt_attr_aborts_no_task,
177 NULL,
178};
179
180static const struct config_item_type target_stat_scsi_tgt_dev_cit = {
181 .ct_attrs = target_stat_scsi_tgt_dev_attrs,
182 .ct_owner = THIS_MODULE,
183};
184
185/*
186 * SCSI Logical Unit Table
187 */
188
189static struct se_device *to_stat_lu_dev(struct config_item *item)
190{
191 struct se_dev_stat_grps *sgrps = container_of(to_config_group(item),
192 struct se_dev_stat_grps, scsi_lu_group);
193 return container_of(sgrps, struct se_device, dev_stat_grps);
194}
195
196static ssize_t target_stat_lu_inst_show(struct config_item *item, char *page)
197{
198 struct se_hba *hba = to_stat_lu_dev(item)->se_hba;
199
200 return snprintf(page, PAGE_SIZE, "%u\n", hba->hba_index);
201}
202
203static ssize_t target_stat_lu_dev_show(struct config_item *item, char *page)
204{
205 return snprintf(page, PAGE_SIZE, "%u\n",
206 to_stat_lu_dev(item)->dev_index);
207}
208
209static ssize_t target_stat_lu_indx_show(struct config_item *item, char *page)
210{
211 return snprintf(page, PAGE_SIZE, "%u\n", SCSI_LU_INDEX);
212}
213
214static ssize_t target_stat_lu_lun_show(struct config_item *item, char *page)
215{
216 /* FIXME: scsiLuDefaultLun */
217 return snprintf(page, PAGE_SIZE, "%llu\n", (unsigned long long)0);
218}
219
220static ssize_t target_stat_lu_lu_name_show(struct config_item *item, char *page)
221{
222 struct se_device *dev = to_stat_lu_dev(item);
223
224 /* scsiLuWwnName */
225 return snprintf(page, PAGE_SIZE, "%s\n",
226 (strlen(dev->t10_wwn.unit_serial)) ?
227 dev->t10_wwn.unit_serial : "None");
228}
229
230static ssize_t target_stat_lu_vend_show(struct config_item *item, char *page)
231{
232 struct se_device *dev = to_stat_lu_dev(item);
233
234 return snprintf(page, PAGE_SIZE, "%-" __stringify(INQUIRY_VENDOR_LEN)
235 "s\n", dev->t10_wwn.vendor);
236}
237
238static ssize_t target_stat_lu_prod_show(struct config_item *item, char *page)
239{
240 struct se_device *dev = to_stat_lu_dev(item);
241
242 return snprintf(page, PAGE_SIZE, "%-" __stringify(INQUIRY_MODEL_LEN)
243 "s\n", dev->t10_wwn.model);
244}
245
246static ssize_t target_stat_lu_rev_show(struct config_item *item, char *page)
247{
248 struct se_device *dev = to_stat_lu_dev(item);
249
250 return snprintf(page, PAGE_SIZE, "%-" __stringify(INQUIRY_REVISION_LEN)
251 "s\n", dev->t10_wwn.revision);
252}
253
254static ssize_t target_stat_lu_dev_type_show(struct config_item *item, char *page)
255{
256 struct se_device *dev = to_stat_lu_dev(item);
257
258 /* scsiLuPeripheralType */
259 return snprintf(page, PAGE_SIZE, "%u\n",
260 dev->transport->get_device_type(dev));
261}
262
263static ssize_t target_stat_lu_status_show(struct config_item *item, char *page)
264{
265 struct se_device *dev = to_stat_lu_dev(item);
266
267 /* scsiLuStatus */
268 return snprintf(page, PAGE_SIZE, "%s\n",
269 (dev->export_count) ? "available" : "notavailable");
270}
271
272static ssize_t target_stat_lu_state_bit_show(struct config_item *item,
273 char *page)
274{
275 /* scsiLuState */
276 return snprintf(page, PAGE_SIZE, "exposed\n");
277}
278
279static ssize_t target_stat_lu_num_cmds_show(struct config_item *item,
280 char *page)
281{
282 struct se_device *dev = to_stat_lu_dev(item);
283
284 /* scsiLuNumCommands */
285 return snprintf(page, PAGE_SIZE, "%lu\n",
286 atomic_long_read(&dev->num_cmds));
287}
288
289static ssize_t target_stat_lu_read_mbytes_show(struct config_item *item,
290 char *page)
291{
292 struct se_device *dev = to_stat_lu_dev(item);
293
294 /* scsiLuReadMegaBytes */
295 return snprintf(page, PAGE_SIZE, "%lu\n",
296 atomic_long_read(&dev->read_bytes) >> 20);
297}
298
299static ssize_t target_stat_lu_write_mbytes_show(struct config_item *item,
300 char *page)
301{
302 struct se_device *dev = to_stat_lu_dev(item);
303
304 /* scsiLuWrittenMegaBytes */
305 return snprintf(page, PAGE_SIZE, "%lu\n",
306 atomic_long_read(&dev->write_bytes) >> 20);
307}
308
309static ssize_t target_stat_lu_resets_show(struct config_item *item, char *page)
310{
311 struct se_device *dev = to_stat_lu_dev(item);
312
313 /* scsiLuInResets */
314 return snprintf(page, PAGE_SIZE, "%lu\n",
315 atomic_long_read(&dev->num_resets));
316}
317
318static ssize_t target_stat_lu_full_stat_show(struct config_item *item,
319 char *page)
320{
321 /* FIXME: scsiLuOutTaskSetFullStatus */
322 return snprintf(page, PAGE_SIZE, "%u\n", 0);
323}
324
325static ssize_t target_stat_lu_hs_num_cmds_show(struct config_item *item,
326 char *page)
327{
328 /* FIXME: scsiLuHSInCommands */
329 return snprintf(page, PAGE_SIZE, "%u\n", 0);
330}
331
332static ssize_t target_stat_lu_creation_time_show(struct config_item *item,
333 char *page)
334{
335 struct se_device *dev = to_stat_lu_dev(item);
336
337 /* scsiLuCreationTime */
338 return snprintf(page, PAGE_SIZE, "%u\n", (u32)(((u32)dev->creation_time -
339 INITIAL_JIFFIES) * 100 / HZ));
340}
341
342CONFIGFS_ATTR_RO(target_stat_lu_, inst);
343CONFIGFS_ATTR_RO(target_stat_lu_, dev);
344CONFIGFS_ATTR_RO(target_stat_lu_, indx);
345CONFIGFS_ATTR_RO(target_stat_lu_, lun);
346CONFIGFS_ATTR_RO(target_stat_lu_, lu_name);
347CONFIGFS_ATTR_RO(target_stat_lu_, vend);
348CONFIGFS_ATTR_RO(target_stat_lu_, prod);
349CONFIGFS_ATTR_RO(target_stat_lu_, rev);
350CONFIGFS_ATTR_RO(target_stat_lu_, dev_type);
351CONFIGFS_ATTR_RO(target_stat_lu_, status);
352CONFIGFS_ATTR_RO(target_stat_lu_, state_bit);
353CONFIGFS_ATTR_RO(target_stat_lu_, num_cmds);
354CONFIGFS_ATTR_RO(target_stat_lu_, read_mbytes);
355CONFIGFS_ATTR_RO(target_stat_lu_, write_mbytes);
356CONFIGFS_ATTR_RO(target_stat_lu_, resets);
357CONFIGFS_ATTR_RO(target_stat_lu_, full_stat);
358CONFIGFS_ATTR_RO(target_stat_lu_, hs_num_cmds);
359CONFIGFS_ATTR_RO(target_stat_lu_, creation_time);
360
361static struct configfs_attribute *target_stat_scsi_lu_attrs[] = {
362 &target_stat_lu_attr_inst,
363 &target_stat_lu_attr_dev,
364 &target_stat_lu_attr_indx,
365 &target_stat_lu_attr_lun,
366 &target_stat_lu_attr_lu_name,
367 &target_stat_lu_attr_vend,
368 &target_stat_lu_attr_prod,
369 &target_stat_lu_attr_rev,
370 &target_stat_lu_attr_dev_type,
371 &target_stat_lu_attr_status,
372 &target_stat_lu_attr_state_bit,
373 &target_stat_lu_attr_num_cmds,
374 &target_stat_lu_attr_read_mbytes,
375 &target_stat_lu_attr_write_mbytes,
376 &target_stat_lu_attr_resets,
377 &target_stat_lu_attr_full_stat,
378 &target_stat_lu_attr_hs_num_cmds,
379 &target_stat_lu_attr_creation_time,
380 NULL,
381};
382
383static const struct config_item_type target_stat_scsi_lu_cit = {
384 .ct_attrs = target_stat_scsi_lu_attrs,
385 .ct_owner = THIS_MODULE,
386};
387
388/*
389 * Called from target_core_configfs.c:target_core_make_subdev() to setup
390 * the target statistics groups + configfs CITs located in target_core_stat.c
391 */
392void target_stat_setup_dev_default_groups(struct se_device *dev)
393{
394 config_group_init_type_name(&dev->dev_stat_grps.scsi_dev_group,
395 "scsi_dev", &target_stat_scsi_dev_cit);
396 configfs_add_default_group(&dev->dev_stat_grps.scsi_dev_group,
397 &dev->dev_stat_grps.stat_group);
398
399 config_group_init_type_name(&dev->dev_stat_grps.scsi_tgt_dev_group,
400 "scsi_tgt_dev", &target_stat_scsi_tgt_dev_cit);
401 configfs_add_default_group(&dev->dev_stat_grps.scsi_tgt_dev_group,
402 &dev->dev_stat_grps.stat_group);
403
404 config_group_init_type_name(&dev->dev_stat_grps.scsi_lu_group,
405 "scsi_lu", &target_stat_scsi_lu_cit);
406 configfs_add_default_group(&dev->dev_stat_grps.scsi_lu_group,
407 &dev->dev_stat_grps.stat_group);
408}
409
410/*
411 * SCSI Port Table
412 */
413
414static struct se_lun *to_stat_port(struct config_item *item)
415{
416 struct se_port_stat_grps *pgrps = container_of(to_config_group(item),
417 struct se_port_stat_grps, scsi_port_group);
418 return container_of(pgrps, struct se_lun, port_stat_grps);
419}
420
421static ssize_t target_stat_port_inst_show(struct config_item *item, char *page)
422{
423 struct se_lun *lun = to_stat_port(item);
424 struct se_device *dev;
425 ssize_t ret = -ENODEV;
426
427 rcu_read_lock();
428 dev = rcu_dereference(lun->lun_se_dev);
429 if (dev)
430 ret = snprintf(page, PAGE_SIZE, "%u\n", dev->hba_index);
431 rcu_read_unlock();
432 return ret;
433}
434
435static ssize_t target_stat_port_dev_show(struct config_item *item, char *page)
436{
437 struct se_lun *lun = to_stat_port(item);
438 struct se_device *dev;
439 ssize_t ret = -ENODEV;
440
441 rcu_read_lock();
442 dev = rcu_dereference(lun->lun_se_dev);
443 if (dev)
444 ret = snprintf(page, PAGE_SIZE, "%u\n", dev->dev_index);
445 rcu_read_unlock();
446 return ret;
447}
448
449static ssize_t target_stat_port_indx_show(struct config_item *item, char *page)
450{
451 struct se_lun *lun = to_stat_port(item);
452 struct se_device *dev;
453 ssize_t ret = -ENODEV;
454
455 rcu_read_lock();
456 dev = rcu_dereference(lun->lun_se_dev);
457 if (dev)
458 ret = snprintf(page, PAGE_SIZE, "%u\n", lun->lun_tpg->tpg_rtpi);
459 rcu_read_unlock();
460 return ret;
461}
462
463static ssize_t target_stat_port_role_show(struct config_item *item, char *page)
464{
465 struct se_lun *lun = to_stat_port(item);
466 struct se_device *dev;
467 ssize_t ret = -ENODEV;
468
469 rcu_read_lock();
470 dev = rcu_dereference(lun->lun_se_dev);
471 if (dev)
472 ret = snprintf(page, PAGE_SIZE, "%s%u\n", "Device", dev->dev_index);
473 rcu_read_unlock();
474 return ret;
475}
476
477static ssize_t target_stat_port_busy_count_show(struct config_item *item,
478 char *page)
479{
480 struct se_lun *lun = to_stat_port(item);
481 struct se_device *dev;
482 ssize_t ret = -ENODEV;
483
484 rcu_read_lock();
485 dev = rcu_dereference(lun->lun_se_dev);
486 if (dev) {
487 /* FIXME: scsiPortBusyStatuses */
488 ret = snprintf(page, PAGE_SIZE, "%u\n", 0);
489 }
490 rcu_read_unlock();
491 return ret;
492}
493
494CONFIGFS_ATTR_RO(target_stat_port_, inst);
495CONFIGFS_ATTR_RO(target_stat_port_, dev);
496CONFIGFS_ATTR_RO(target_stat_port_, indx);
497CONFIGFS_ATTR_RO(target_stat_port_, role);
498CONFIGFS_ATTR_RO(target_stat_port_, busy_count);
499
500static struct configfs_attribute *target_stat_scsi_port_attrs[] = {
501 &target_stat_port_attr_inst,
502 &target_stat_port_attr_dev,
503 &target_stat_port_attr_indx,
504 &target_stat_port_attr_role,
505 &target_stat_port_attr_busy_count,
506 NULL,
507};
508
509static const struct config_item_type target_stat_scsi_port_cit = {
510 .ct_attrs = target_stat_scsi_port_attrs,
511 .ct_owner = THIS_MODULE,
512};
513
514/*
515 * SCSI Target Port Table
516 */
517static struct se_lun *to_stat_tgt_port(struct config_item *item)
518{
519 struct se_port_stat_grps *pgrps = container_of(to_config_group(item),
520 struct se_port_stat_grps, scsi_tgt_port_group);
521 return container_of(pgrps, struct se_lun, port_stat_grps);
522}
523
524static ssize_t target_stat_tgt_port_inst_show(struct config_item *item,
525 char *page)
526{
527 struct se_lun *lun = to_stat_tgt_port(item);
528 struct se_device *dev;
529 ssize_t ret = -ENODEV;
530
531 rcu_read_lock();
532 dev = rcu_dereference(lun->lun_se_dev);
533 if (dev)
534 ret = snprintf(page, PAGE_SIZE, "%u\n", dev->hba_index);
535 rcu_read_unlock();
536 return ret;
537}
538
539static ssize_t target_stat_tgt_port_dev_show(struct config_item *item,
540 char *page)
541{
542 struct se_lun *lun = to_stat_tgt_port(item);
543 struct se_device *dev;
544 ssize_t ret = -ENODEV;
545
546 rcu_read_lock();
547 dev = rcu_dereference(lun->lun_se_dev);
548 if (dev)
549 ret = snprintf(page, PAGE_SIZE, "%u\n", dev->dev_index);
550 rcu_read_unlock();
551 return ret;
552}
553
554static ssize_t target_stat_tgt_port_indx_show(struct config_item *item,
555 char *page)
556{
557 struct se_lun *lun = to_stat_tgt_port(item);
558 struct se_device *dev;
559 ssize_t ret = -ENODEV;
560
561 rcu_read_lock();
562 dev = rcu_dereference(lun->lun_se_dev);
563 if (dev)
564 ret = snprintf(page, PAGE_SIZE, "%u\n", lun->lun_tpg->tpg_rtpi);
565 rcu_read_unlock();
566 return ret;
567}
568
569static ssize_t target_stat_tgt_port_name_show(struct config_item *item,
570 char *page)
571{
572 struct se_lun *lun = to_stat_tgt_port(item);
573 struct se_portal_group *tpg = lun->lun_tpg;
574 struct se_device *dev;
575 ssize_t ret = -ENODEV;
576
577 rcu_read_lock();
578 dev = rcu_dereference(lun->lun_se_dev);
579 if (dev)
580 ret = snprintf(page, PAGE_SIZE, "%sPort#%u\n",
581 tpg->se_tpg_tfo->fabric_name,
582 lun->lun_tpg->tpg_rtpi);
583 rcu_read_unlock();
584 return ret;
585}
586
587static ssize_t target_stat_tgt_port_port_index_show(struct config_item *item,
588 char *page)
589{
590 struct se_lun *lun = to_stat_tgt_port(item);
591 struct se_portal_group *tpg = lun->lun_tpg;
592 struct se_device *dev;
593 ssize_t ret = -ENODEV;
594
595 rcu_read_lock();
596 dev = rcu_dereference(lun->lun_se_dev);
597 if (dev)
598 ret = snprintf(page, PAGE_SIZE, "%s%s%d\n",
599 tpg->se_tpg_tfo->tpg_get_wwn(tpg), "+t+",
600 tpg->se_tpg_tfo->tpg_get_tag(tpg));
601 rcu_read_unlock();
602 return ret;
603}
604
605static ssize_t target_stat_tgt_port_in_cmds_show(struct config_item *item,
606 char *page)
607{
608 struct se_lun *lun = to_stat_tgt_port(item);
609 struct se_device *dev;
610 ssize_t ret = -ENODEV;
611
612 rcu_read_lock();
613 dev = rcu_dereference(lun->lun_se_dev);
614 if (dev)
615 ret = snprintf(page, PAGE_SIZE, "%lu\n",
616 atomic_long_read(&lun->lun_stats.cmd_pdus));
617 rcu_read_unlock();
618 return ret;
619}
620
621static ssize_t target_stat_tgt_port_write_mbytes_show(struct config_item *item,
622 char *page)
623{
624 struct se_lun *lun = to_stat_tgt_port(item);
625 struct se_device *dev;
626 ssize_t ret = -ENODEV;
627
628 rcu_read_lock();
629 dev = rcu_dereference(lun->lun_se_dev);
630 if (dev)
631 ret = snprintf(page, PAGE_SIZE, "%u\n",
632 (u32)(atomic_long_read(&lun->lun_stats.rx_data_octets) >> 20));
633 rcu_read_unlock();
634 return ret;
635}
636
637static ssize_t target_stat_tgt_port_read_mbytes_show(struct config_item *item,
638 char *page)
639{
640 struct se_lun *lun = to_stat_tgt_port(item);
641 struct se_device *dev;
642 ssize_t ret = -ENODEV;
643
644 rcu_read_lock();
645 dev = rcu_dereference(lun->lun_se_dev);
646 if (dev)
647 ret = snprintf(page, PAGE_SIZE, "%u\n",
648 (u32)(atomic_long_read(&lun->lun_stats.tx_data_octets) >> 20));
649 rcu_read_unlock();
650 return ret;
651}
652
653static ssize_t target_stat_tgt_port_hs_in_cmds_show(struct config_item *item,
654 char *page)
655{
656 struct se_lun *lun = to_stat_tgt_port(item);
657 struct se_device *dev;
658 ssize_t ret = -ENODEV;
659
660 rcu_read_lock();
661 dev = rcu_dereference(lun->lun_se_dev);
662 if (dev) {
663 /* FIXME: scsiTgtPortHsInCommands */
664 ret = snprintf(page, PAGE_SIZE, "%u\n", 0);
665 }
666 rcu_read_unlock();
667 return ret;
668}
669
670CONFIGFS_ATTR_RO(target_stat_tgt_port_, inst);
671CONFIGFS_ATTR_RO(target_stat_tgt_port_, dev);
672CONFIGFS_ATTR_RO(target_stat_tgt_port_, indx);
673CONFIGFS_ATTR_RO(target_stat_tgt_port_, name);
674CONFIGFS_ATTR_RO(target_stat_tgt_port_, port_index);
675CONFIGFS_ATTR_RO(target_stat_tgt_port_, in_cmds);
676CONFIGFS_ATTR_RO(target_stat_tgt_port_, write_mbytes);
677CONFIGFS_ATTR_RO(target_stat_tgt_port_, read_mbytes);
678CONFIGFS_ATTR_RO(target_stat_tgt_port_, hs_in_cmds);
679
680static struct configfs_attribute *target_stat_scsi_tgt_port_attrs[] = {
681 &target_stat_tgt_port_attr_inst,
682 &target_stat_tgt_port_attr_dev,
683 &target_stat_tgt_port_attr_indx,
684 &target_stat_tgt_port_attr_name,
685 &target_stat_tgt_port_attr_port_index,
686 &target_stat_tgt_port_attr_in_cmds,
687 &target_stat_tgt_port_attr_write_mbytes,
688 &target_stat_tgt_port_attr_read_mbytes,
689 &target_stat_tgt_port_attr_hs_in_cmds,
690 NULL,
691};
692
693static const struct config_item_type target_stat_scsi_tgt_port_cit = {
694 .ct_attrs = target_stat_scsi_tgt_port_attrs,
695 .ct_owner = THIS_MODULE,
696};
697
698/*
699 * SCSI Transport Table
700 */
701static struct se_lun *to_transport_stat(struct config_item *item)
702{
703 struct se_port_stat_grps *pgrps = container_of(to_config_group(item),
704 struct se_port_stat_grps, scsi_transport_group);
705 return container_of(pgrps, struct se_lun, port_stat_grps);
706}
707
708static ssize_t target_stat_transport_inst_show(struct config_item *item,
709 char *page)
710{
711 struct se_lun *lun = to_transport_stat(item);
712 struct se_device *dev;
713 ssize_t ret = -ENODEV;
714
715 rcu_read_lock();
716 dev = rcu_dereference(lun->lun_se_dev);
717 if (dev)
718 ret = snprintf(page, PAGE_SIZE, "%u\n", dev->hba_index);
719 rcu_read_unlock();
720 return ret;
721}
722
723static ssize_t target_stat_transport_device_show(struct config_item *item,
724 char *page)
725{
726 struct se_lun *lun = to_transport_stat(item);
727 struct se_device *dev;
728 struct se_portal_group *tpg = lun->lun_tpg;
729 ssize_t ret = -ENODEV;
730
731 rcu_read_lock();
732 dev = rcu_dereference(lun->lun_se_dev);
733 if (dev) {
734 /* scsiTransportType */
735 ret = snprintf(page, PAGE_SIZE, "scsiTransport%s\n",
736 tpg->se_tpg_tfo->fabric_name);
737 }
738 rcu_read_unlock();
739 return ret;
740}
741
742static ssize_t target_stat_transport_indx_show(struct config_item *item,
743 char *page)
744{
745 struct se_lun *lun = to_transport_stat(item);
746 struct se_device *dev;
747 struct se_portal_group *tpg = lun->lun_tpg;
748 ssize_t ret = -ENODEV;
749
750 rcu_read_lock();
751 dev = rcu_dereference(lun->lun_se_dev);
752 if (dev)
753 ret = snprintf(page, PAGE_SIZE, "%u\n",
754 tpg->se_tpg_tfo->tpg_get_inst_index(tpg));
755 rcu_read_unlock();
756 return ret;
757}
758
759static ssize_t target_stat_transport_dev_name_show(struct config_item *item,
760 char *page)
761{
762 struct se_lun *lun = to_transport_stat(item);
763 struct se_device *dev;
764 struct se_portal_group *tpg = lun->lun_tpg;
765 struct t10_wwn *wwn;
766 ssize_t ret = -ENODEV;
767
768 rcu_read_lock();
769 dev = rcu_dereference(lun->lun_se_dev);
770 if (dev) {
771 wwn = &dev->t10_wwn;
772 /* scsiTransportDevName */
773 ret = snprintf(page, PAGE_SIZE, "%s+%s\n",
774 tpg->se_tpg_tfo->tpg_get_wwn(tpg),
775 (strlen(wwn->unit_serial)) ? wwn->unit_serial :
776 wwn->vendor);
777 }
778 rcu_read_unlock();
779 return ret;
780}
781
782static ssize_t target_stat_transport_proto_id_show(struct config_item *item,
783 char *page)
784{
785 struct se_lun *lun = to_transport_stat(item);
786 struct se_device *dev;
787 struct se_portal_group *tpg = lun->lun_tpg;
788 ssize_t ret = -ENODEV;
789
790 rcu_read_lock();
791 dev = rcu_dereference(lun->lun_se_dev);
792 if (dev)
793 ret = snprintf(page, PAGE_SIZE, "%u\n", tpg->proto_id);
794 rcu_read_unlock();
795 return ret;
796}
797
798CONFIGFS_ATTR_RO(target_stat_transport_, inst);
799CONFIGFS_ATTR_RO(target_stat_transport_, device);
800CONFIGFS_ATTR_RO(target_stat_transport_, indx);
801CONFIGFS_ATTR_RO(target_stat_transport_, dev_name);
802CONFIGFS_ATTR_RO(target_stat_transport_, proto_id);
803
804static struct configfs_attribute *target_stat_scsi_transport_attrs[] = {
805 &target_stat_transport_attr_inst,
806 &target_stat_transport_attr_device,
807 &target_stat_transport_attr_indx,
808 &target_stat_transport_attr_dev_name,
809 &target_stat_transport_attr_proto_id,
810 NULL,
811};
812
813static const struct config_item_type target_stat_scsi_transport_cit = {
814 .ct_attrs = target_stat_scsi_transport_attrs,
815 .ct_owner = THIS_MODULE,
816};
817
818/*
819 * Called from target_core_fabric_configfs.c:target_fabric_make_lun() to setup
820 * the target port statistics groups + configfs CITs located in target_core_stat.c
821 */
822void target_stat_setup_port_default_groups(struct se_lun *lun)
823{
824 config_group_init_type_name(&lun->port_stat_grps.scsi_port_group,
825 "scsi_port", &target_stat_scsi_port_cit);
826 configfs_add_default_group(&lun->port_stat_grps.scsi_port_group,
827 &lun->port_stat_grps.stat_group);
828
829 config_group_init_type_name(&lun->port_stat_grps.scsi_tgt_port_group,
830 "scsi_tgt_port", &target_stat_scsi_tgt_port_cit);
831 configfs_add_default_group(&lun->port_stat_grps.scsi_tgt_port_group,
832 &lun->port_stat_grps.stat_group);
833
834 config_group_init_type_name(&lun->port_stat_grps.scsi_transport_group,
835 "scsi_transport", &target_stat_scsi_transport_cit);
836 configfs_add_default_group(&lun->port_stat_grps.scsi_transport_group,
837 &lun->port_stat_grps.stat_group);
838}
839
840/*
841 * SCSI Authorized Initiator Table
842 */
843
844static struct se_lun_acl *auth_to_lacl(struct config_item *item)
845{
846 struct se_ml_stat_grps *lgrps = container_of(to_config_group(item),
847 struct se_ml_stat_grps, scsi_auth_intr_group);
848 return container_of(lgrps, struct se_lun_acl, ml_stat_grps);
849}
850
851static ssize_t target_stat_auth_inst_show(struct config_item *item,
852 char *page)
853{
854 struct se_lun_acl *lacl = auth_to_lacl(item);
855 struct se_node_acl *nacl = lacl->se_lun_nacl;
856 struct se_dev_entry *deve;
857 struct se_portal_group *tpg;
858 ssize_t ret;
859
860 rcu_read_lock();
861 deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
862 if (!deve) {
863 rcu_read_unlock();
864 return -ENODEV;
865 }
866 tpg = nacl->se_tpg;
867 /* scsiInstIndex */
868 ret = snprintf(page, PAGE_SIZE, "%u\n",
869 tpg->se_tpg_tfo->tpg_get_inst_index(tpg));
870 rcu_read_unlock();
871 return ret;
872}
873
874static ssize_t target_stat_auth_dev_show(struct config_item *item,
875 char *page)
876{
877 struct se_lun_acl *lacl = auth_to_lacl(item);
878 struct se_node_acl *nacl = lacl->se_lun_nacl;
879 struct se_dev_entry *deve;
880 ssize_t ret;
881
882 rcu_read_lock();
883 deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
884 if (!deve) {
885 rcu_read_unlock();
886 return -ENODEV;
887 }
888
889 /* scsiDeviceIndex */
890 ret = snprintf(page, PAGE_SIZE, "%u\n", deve->se_lun->lun_index);
891 rcu_read_unlock();
892 return ret;
893}
894
895static ssize_t target_stat_auth_port_show(struct config_item *item,
896 char *page)
897{
898 struct se_lun_acl *lacl = auth_to_lacl(item);
899 struct se_node_acl *nacl = lacl->se_lun_nacl;
900 struct se_dev_entry *deve;
901 struct se_portal_group *tpg;
902 ssize_t ret;
903
904 rcu_read_lock();
905 deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
906 if (!deve) {
907 rcu_read_unlock();
908 return -ENODEV;
909 }
910 tpg = nacl->se_tpg;
911 /* scsiAuthIntrTgtPortIndex */
912 ret = snprintf(page, PAGE_SIZE, "%u\n", tpg->se_tpg_tfo->tpg_get_tag(tpg));
913 rcu_read_unlock();
914 return ret;
915}
916
917static ssize_t target_stat_auth_indx_show(struct config_item *item,
918 char *page)
919{
920 struct se_lun_acl *lacl = auth_to_lacl(item);
921 struct se_node_acl *nacl = lacl->se_lun_nacl;
922 struct se_dev_entry *deve;
923 ssize_t ret;
924
925 rcu_read_lock();
926 deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
927 if (!deve) {
928 rcu_read_unlock();
929 return -ENODEV;
930 }
931 /* scsiAuthIntrIndex */
932 ret = snprintf(page, PAGE_SIZE, "%u\n", nacl->acl_index);
933 rcu_read_unlock();
934 return ret;
935}
936
937static ssize_t target_stat_auth_dev_or_port_show(struct config_item *item,
938 char *page)
939{
940 struct se_lun_acl *lacl = auth_to_lacl(item);
941 struct se_node_acl *nacl = lacl->se_lun_nacl;
942 struct se_dev_entry *deve;
943 ssize_t ret;
944
945 rcu_read_lock();
946 deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
947 if (!deve) {
948 rcu_read_unlock();
949 return -ENODEV;
950 }
951 /* scsiAuthIntrDevOrPort */
952 ret = snprintf(page, PAGE_SIZE, "%u\n", 1);
953 rcu_read_unlock();
954 return ret;
955}
956
957static ssize_t target_stat_auth_intr_name_show(struct config_item *item,
958 char *page)
959{
960 struct se_lun_acl *lacl = auth_to_lacl(item);
961 struct se_node_acl *nacl = lacl->se_lun_nacl;
962 struct se_dev_entry *deve;
963 ssize_t ret;
964
965 rcu_read_lock();
966 deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
967 if (!deve) {
968 rcu_read_unlock();
969 return -ENODEV;
970 }
971 /* scsiAuthIntrName */
972 ret = snprintf(page, PAGE_SIZE, "%s\n", nacl->initiatorname);
973 rcu_read_unlock();
974 return ret;
975}
976
977static ssize_t target_stat_auth_map_indx_show(struct config_item *item,
978 char *page)
979{
980 struct se_lun_acl *lacl = auth_to_lacl(item);
981 struct se_node_acl *nacl = lacl->se_lun_nacl;
982 struct se_dev_entry *deve;
983 ssize_t ret;
984
985 rcu_read_lock();
986 deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
987 if (!deve) {
988 rcu_read_unlock();
989 return -ENODEV;
990 }
991 /* FIXME: scsiAuthIntrLunMapIndex */
992 ret = snprintf(page, PAGE_SIZE, "%u\n", 0);
993 rcu_read_unlock();
994 return ret;
995}
996
997static ssize_t target_stat_auth_att_count_show(struct config_item *item,
998 char *page)
999{
1000 struct se_lun_acl *lacl = auth_to_lacl(item);
1001 struct se_node_acl *nacl = lacl->se_lun_nacl;
1002 struct se_dev_entry *deve;
1003 ssize_t ret;
1004
1005 rcu_read_lock();
1006 deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
1007 if (!deve) {
1008 rcu_read_unlock();
1009 return -ENODEV;
1010 }
1011 /* scsiAuthIntrAttachedTimes */
1012 ret = snprintf(page, PAGE_SIZE, "%u\n", deve->attach_count);
1013 rcu_read_unlock();
1014 return ret;
1015}
1016
1017static ssize_t target_stat_auth_num_cmds_show(struct config_item *item,
1018 char *page)
1019{
1020 struct se_lun_acl *lacl = auth_to_lacl(item);
1021 struct se_node_acl *nacl = lacl->se_lun_nacl;
1022 struct se_dev_entry *deve;
1023 ssize_t ret;
1024
1025 rcu_read_lock();
1026 deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
1027 if (!deve) {
1028 rcu_read_unlock();
1029 return -ENODEV;
1030 }
1031 /* scsiAuthIntrOutCommands */
1032 ret = snprintf(page, PAGE_SIZE, "%lu\n",
1033 atomic_long_read(&deve->total_cmds));
1034 rcu_read_unlock();
1035 return ret;
1036}
1037
1038static ssize_t target_stat_auth_read_mbytes_show(struct config_item *item,
1039 char *page)
1040{
1041 struct se_lun_acl *lacl = auth_to_lacl(item);
1042 struct se_node_acl *nacl = lacl->se_lun_nacl;
1043 struct se_dev_entry *deve;
1044 ssize_t ret;
1045
1046 rcu_read_lock();
1047 deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
1048 if (!deve) {
1049 rcu_read_unlock();
1050 return -ENODEV;
1051 }
1052 /* scsiAuthIntrReadMegaBytes */
1053 ret = snprintf(page, PAGE_SIZE, "%u\n",
1054 (u32)(atomic_long_read(&deve->read_bytes) >> 20));
1055 rcu_read_unlock();
1056 return ret;
1057}
1058
1059static ssize_t target_stat_auth_write_mbytes_show(struct config_item *item,
1060 char *page)
1061{
1062 struct se_lun_acl *lacl = auth_to_lacl(item);
1063 struct se_node_acl *nacl = lacl->se_lun_nacl;
1064 struct se_dev_entry *deve;
1065 ssize_t ret;
1066
1067 rcu_read_lock();
1068 deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
1069 if (!deve) {
1070 rcu_read_unlock();
1071 return -ENODEV;
1072 }
1073 /* scsiAuthIntrWrittenMegaBytes */
1074 ret = snprintf(page, PAGE_SIZE, "%u\n",
1075 (u32)(atomic_long_read(&deve->write_bytes) >> 20));
1076 rcu_read_unlock();
1077 return ret;
1078}
1079
1080static ssize_t target_stat_auth_hs_num_cmds_show(struct config_item *item,
1081 char *page)
1082{
1083 struct se_lun_acl *lacl = auth_to_lacl(item);
1084 struct se_node_acl *nacl = lacl->se_lun_nacl;
1085 struct se_dev_entry *deve;
1086 ssize_t ret;
1087
1088 rcu_read_lock();
1089 deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
1090 if (!deve) {
1091 rcu_read_unlock();
1092 return -ENODEV;
1093 }
1094 /* FIXME: scsiAuthIntrHSOutCommands */
1095 ret = snprintf(page, PAGE_SIZE, "%u\n", 0);
1096 rcu_read_unlock();
1097 return ret;
1098}
1099
1100static ssize_t target_stat_auth_creation_time_show(struct config_item *item,
1101 char *page)
1102{
1103 struct se_lun_acl *lacl = auth_to_lacl(item);
1104 struct se_node_acl *nacl = lacl->se_lun_nacl;
1105 struct se_dev_entry *deve;
1106 ssize_t ret;
1107
1108 rcu_read_lock();
1109 deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
1110 if (!deve) {
1111 rcu_read_unlock();
1112 return -ENODEV;
1113 }
1114 /* scsiAuthIntrLastCreation */
1115 ret = snprintf(page, PAGE_SIZE, "%u\n", (u32)(((u32)deve->creation_time -
1116 INITIAL_JIFFIES) * 100 / HZ));
1117 rcu_read_unlock();
1118 return ret;
1119}
1120
1121static ssize_t target_stat_auth_row_status_show(struct config_item *item,
1122 char *page)
1123{
1124 struct se_lun_acl *lacl = auth_to_lacl(item);
1125 struct se_node_acl *nacl = lacl->se_lun_nacl;
1126 struct se_dev_entry *deve;
1127 ssize_t ret;
1128
1129 rcu_read_lock();
1130 deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
1131 if (!deve) {
1132 rcu_read_unlock();
1133 return -ENODEV;
1134 }
1135 /* FIXME: scsiAuthIntrRowStatus */
1136 ret = snprintf(page, PAGE_SIZE, "Ready\n");
1137 rcu_read_unlock();
1138 return ret;
1139}
1140
1141CONFIGFS_ATTR_RO(target_stat_auth_, inst);
1142CONFIGFS_ATTR_RO(target_stat_auth_, dev);
1143CONFIGFS_ATTR_RO(target_stat_auth_, port);
1144CONFIGFS_ATTR_RO(target_stat_auth_, indx);
1145CONFIGFS_ATTR_RO(target_stat_auth_, dev_or_port);
1146CONFIGFS_ATTR_RO(target_stat_auth_, intr_name);
1147CONFIGFS_ATTR_RO(target_stat_auth_, map_indx);
1148CONFIGFS_ATTR_RO(target_stat_auth_, att_count);
1149CONFIGFS_ATTR_RO(target_stat_auth_, num_cmds);
1150CONFIGFS_ATTR_RO(target_stat_auth_, read_mbytes);
1151CONFIGFS_ATTR_RO(target_stat_auth_, write_mbytes);
1152CONFIGFS_ATTR_RO(target_stat_auth_, hs_num_cmds);
1153CONFIGFS_ATTR_RO(target_stat_auth_, creation_time);
1154CONFIGFS_ATTR_RO(target_stat_auth_, row_status);
1155
1156static struct configfs_attribute *target_stat_scsi_auth_intr_attrs[] = {
1157 &target_stat_auth_attr_inst,
1158 &target_stat_auth_attr_dev,
1159 &target_stat_auth_attr_port,
1160 &target_stat_auth_attr_indx,
1161 &target_stat_auth_attr_dev_or_port,
1162 &target_stat_auth_attr_intr_name,
1163 &target_stat_auth_attr_map_indx,
1164 &target_stat_auth_attr_att_count,
1165 &target_stat_auth_attr_num_cmds,
1166 &target_stat_auth_attr_read_mbytes,
1167 &target_stat_auth_attr_write_mbytes,
1168 &target_stat_auth_attr_hs_num_cmds,
1169 &target_stat_auth_attr_creation_time,
1170 &target_stat_auth_attr_row_status,
1171 NULL,
1172};
1173
1174static const struct config_item_type target_stat_scsi_auth_intr_cit = {
1175 .ct_attrs = target_stat_scsi_auth_intr_attrs,
1176 .ct_owner = THIS_MODULE,
1177};
1178
1179/*
1180 * SCSI Attached Initiator Port Table
1181 */
1182
1183static struct se_lun_acl *iport_to_lacl(struct config_item *item)
1184{
1185 struct se_ml_stat_grps *lgrps = container_of(to_config_group(item),
1186 struct se_ml_stat_grps, scsi_att_intr_port_group);
1187 return container_of(lgrps, struct se_lun_acl, ml_stat_grps);
1188}
1189
1190static ssize_t target_stat_iport_inst_show(struct config_item *item,
1191 char *page)
1192{
1193 struct se_lun_acl *lacl = iport_to_lacl(item);
1194 struct se_node_acl *nacl = lacl->se_lun_nacl;
1195 struct se_dev_entry *deve;
1196 struct se_portal_group *tpg;
1197 ssize_t ret;
1198
1199 rcu_read_lock();
1200 deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
1201 if (!deve) {
1202 rcu_read_unlock();
1203 return -ENODEV;
1204 }
1205 tpg = nacl->se_tpg;
1206 /* scsiInstIndex */
1207 ret = snprintf(page, PAGE_SIZE, "%u\n",
1208 tpg->se_tpg_tfo->tpg_get_inst_index(tpg));
1209 rcu_read_unlock();
1210 return ret;
1211}
1212
1213static ssize_t target_stat_iport_dev_show(struct config_item *item,
1214 char *page)
1215{
1216 struct se_lun_acl *lacl = iport_to_lacl(item);
1217 struct se_node_acl *nacl = lacl->se_lun_nacl;
1218 struct se_dev_entry *deve;
1219 ssize_t ret;
1220
1221 rcu_read_lock();
1222 deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
1223 if (!deve) {
1224 rcu_read_unlock();
1225 return -ENODEV;
1226 }
1227
1228 /* scsiDeviceIndex */
1229 ret = snprintf(page, PAGE_SIZE, "%u\n", deve->se_lun->lun_index);
1230 rcu_read_unlock();
1231 return ret;
1232}
1233
1234static ssize_t target_stat_iport_port_show(struct config_item *item,
1235 char *page)
1236{
1237 struct se_lun_acl *lacl = iport_to_lacl(item);
1238 struct se_node_acl *nacl = lacl->se_lun_nacl;
1239 struct se_dev_entry *deve;
1240 struct se_portal_group *tpg;
1241 ssize_t ret;
1242
1243 rcu_read_lock();
1244 deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
1245 if (!deve) {
1246 rcu_read_unlock();
1247 return -ENODEV;
1248 }
1249 tpg = nacl->se_tpg;
1250 /* scsiPortIndex */
1251 ret = snprintf(page, PAGE_SIZE, "%u\n", tpg->se_tpg_tfo->tpg_get_tag(tpg));
1252 rcu_read_unlock();
1253 return ret;
1254}
1255
1256static ssize_t target_stat_iport_indx_show(struct config_item *item,
1257 char *page)
1258{
1259 struct se_lun_acl *lacl = iport_to_lacl(item);
1260 struct se_node_acl *nacl = lacl->se_lun_nacl;
1261 struct se_session *se_sess;
1262 struct se_portal_group *tpg;
1263 ssize_t ret;
1264
1265 spin_lock_irq(&nacl->nacl_sess_lock);
1266 se_sess = nacl->nacl_sess;
1267 if (!se_sess) {
1268 spin_unlock_irq(&nacl->nacl_sess_lock);
1269 return -ENODEV;
1270 }
1271
1272 tpg = nacl->se_tpg;
1273 /* scsiAttIntrPortIndex */
1274 ret = snprintf(page, PAGE_SIZE, "%u\n",
1275 tpg->se_tpg_tfo->sess_get_index(se_sess));
1276 spin_unlock_irq(&nacl->nacl_sess_lock);
1277 return ret;
1278}
1279
1280static ssize_t target_stat_iport_port_auth_indx_show(struct config_item *item,
1281 char *page)
1282{
1283 struct se_lun_acl *lacl = iport_to_lacl(item);
1284 struct se_node_acl *nacl = lacl->se_lun_nacl;
1285 struct se_dev_entry *deve;
1286 ssize_t ret;
1287
1288 rcu_read_lock();
1289 deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
1290 if (!deve) {
1291 rcu_read_unlock();
1292 return -ENODEV;
1293 }
1294 /* scsiAttIntrPortAuthIntrIdx */
1295 ret = snprintf(page, PAGE_SIZE, "%u\n", nacl->acl_index);
1296 rcu_read_unlock();
1297 return ret;
1298}
1299
1300static ssize_t target_stat_iport_port_ident_show(struct config_item *item,
1301 char *page)
1302{
1303 struct se_lun_acl *lacl = iport_to_lacl(item);
1304 struct se_node_acl *nacl = lacl->se_lun_nacl;
1305 struct se_session *se_sess;
1306 struct se_portal_group *tpg;
1307 ssize_t ret;
1308 unsigned char buf[64];
1309
1310 spin_lock_irq(&nacl->nacl_sess_lock);
1311 se_sess = nacl->nacl_sess;
1312 if (!se_sess) {
1313 spin_unlock_irq(&nacl->nacl_sess_lock);
1314 return -ENODEV;
1315 }
1316
1317 tpg = nacl->se_tpg;
1318 /* scsiAttIntrPortName+scsiAttIntrPortIdentifier */
1319 memset(buf, 0, 64);
1320 if (tpg->se_tpg_tfo->sess_get_initiator_sid != NULL)
1321 tpg->se_tpg_tfo->sess_get_initiator_sid(se_sess, buf, 64);
1322
1323 ret = snprintf(page, PAGE_SIZE, "%s+i+%s\n", nacl->initiatorname, buf);
1324 spin_unlock_irq(&nacl->nacl_sess_lock);
1325 return ret;
1326}
1327
1328CONFIGFS_ATTR_RO(target_stat_iport_, inst);
1329CONFIGFS_ATTR_RO(target_stat_iport_, dev);
1330CONFIGFS_ATTR_RO(target_stat_iport_, port);
1331CONFIGFS_ATTR_RO(target_stat_iport_, indx);
1332CONFIGFS_ATTR_RO(target_stat_iport_, port_auth_indx);
1333CONFIGFS_ATTR_RO(target_stat_iport_, port_ident);
1334
1335static struct configfs_attribute *target_stat_scsi_ath_intr_port_attrs[] = {
1336 &target_stat_iport_attr_inst,
1337 &target_stat_iport_attr_dev,
1338 &target_stat_iport_attr_port,
1339 &target_stat_iport_attr_indx,
1340 &target_stat_iport_attr_port_auth_indx,
1341 &target_stat_iport_attr_port_ident,
1342 NULL,
1343};
1344
1345static const struct config_item_type target_stat_scsi_att_intr_port_cit = {
1346 .ct_attrs = target_stat_scsi_ath_intr_port_attrs,
1347 .ct_owner = THIS_MODULE,
1348};
1349
1350/*
1351 * Called from target_core_fabric_configfs.c:target_fabric_make_mappedlun() to setup
1352 * the target MappedLUN statistics groups + configfs CITs located in target_core_stat.c
1353 */
1354void target_stat_setup_mappedlun_default_groups(struct se_lun_acl *lacl)
1355{
1356 config_group_init_type_name(&lacl->ml_stat_grps.scsi_auth_intr_group,
1357 "scsi_auth_intr", &target_stat_scsi_auth_intr_cit);
1358 configfs_add_default_group(&lacl->ml_stat_grps.scsi_auth_intr_group,
1359 &lacl->ml_stat_grps.stat_group);
1360
1361 config_group_init_type_name(&lacl->ml_stat_grps.scsi_att_intr_port_group,
1362 "scsi_att_intr_port", &target_stat_scsi_att_intr_port_cit);
1363 configfs_add_default_group(&lacl->ml_stat_grps.scsi_att_intr_port_group,
1364 &lacl->ml_stat_grps.stat_group);
1365}