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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}
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 NONE "None"
35#define ISPRINT(a) ((a >= ' ') && (a <= '~'))
36
37#define SCSI_LU_INDEX 1
38#define LU_COUNT 1
39
40/*
41 * SCSI Device Table
42 */
43
44static struct se_device *to_stat_dev(struct config_item *item)
45{
46 struct se_dev_stat_grps *sgrps = container_of(to_config_group(item),
47 struct se_dev_stat_grps, scsi_dev_group);
48 return container_of(sgrps, struct se_device, dev_stat_grps);
49}
50
51static ssize_t target_stat_inst_show(struct config_item *item, char *page)
52{
53 struct se_hba *hba = to_stat_dev(item)->se_hba;
54
55 return snprintf(page, PAGE_SIZE, "%u\n", hba->hba_index);
56}
57
58static ssize_t target_stat_indx_show(struct config_item *item, char *page)
59{
60 return snprintf(page, PAGE_SIZE, "%u\n", to_stat_dev(item)->dev_index);
61}
62
63static ssize_t target_stat_role_show(struct config_item *item, char *page)
64{
65 return snprintf(page, PAGE_SIZE, "Target\n");
66}
67
68static ssize_t target_stat_ports_show(struct config_item *item, char *page)
69{
70 return snprintf(page, PAGE_SIZE, "%u\n", to_stat_dev(item)->export_count);
71}
72
73CONFIGFS_ATTR_RO(target_stat_, inst);
74CONFIGFS_ATTR_RO(target_stat_, indx);
75CONFIGFS_ATTR_RO(target_stat_, role);
76CONFIGFS_ATTR_RO(target_stat_, ports);
77
78static struct configfs_attribute *target_stat_scsi_dev_attrs[] = {
79 &target_stat_attr_inst,
80 &target_stat_attr_indx,
81 &target_stat_attr_role,
82 &target_stat_attr_ports,
83 NULL,
84};
85
86static const struct config_item_type target_stat_scsi_dev_cit = {
87 .ct_attrs = target_stat_scsi_dev_attrs,
88 .ct_owner = THIS_MODULE,
89};
90
91/*
92 * SCSI Target Device Table
93 */
94static struct se_device *to_stat_tgt_dev(struct config_item *item)
95{
96 struct se_dev_stat_grps *sgrps = container_of(to_config_group(item),
97 struct se_dev_stat_grps, scsi_tgt_dev_group);
98 return container_of(sgrps, struct se_device, dev_stat_grps);
99}
100
101static ssize_t target_stat_tgt_inst_show(struct config_item *item, char *page)
102{
103 struct se_hba *hba = to_stat_tgt_dev(item)->se_hba;
104
105 return snprintf(page, PAGE_SIZE, "%u\n", hba->hba_index);
106}
107
108static ssize_t target_stat_tgt_indx_show(struct config_item *item, char *page)
109{
110 return snprintf(page, PAGE_SIZE, "%u\n", to_stat_tgt_dev(item)->dev_index);
111}
112
113static ssize_t target_stat_tgt_num_lus_show(struct config_item *item,
114 char *page)
115{
116 return snprintf(page, PAGE_SIZE, "%u\n", LU_COUNT);
117}
118
119static ssize_t target_stat_tgt_status_show(struct config_item *item,
120 char *page)
121{
122 if (to_stat_tgt_dev(item)->export_count)
123 return snprintf(page, PAGE_SIZE, "activated");
124 else
125 return snprintf(page, PAGE_SIZE, "deactivated");
126}
127
128static ssize_t target_stat_tgt_non_access_lus_show(struct config_item *item,
129 char *page)
130{
131 int non_accessible_lus;
132
133 if (to_stat_tgt_dev(item)->export_count)
134 non_accessible_lus = 0;
135 else
136 non_accessible_lus = 1;
137
138 return snprintf(page, PAGE_SIZE, "%u\n", non_accessible_lus);
139}
140
141static ssize_t target_stat_tgt_resets_show(struct config_item *item,
142 char *page)
143{
144 return snprintf(page, PAGE_SIZE, "%lu\n",
145 atomic_long_read(&to_stat_tgt_dev(item)->num_resets));
146}
147
148static ssize_t target_stat_tgt_aborts_complete_show(struct config_item *item,
149 char *page)
150{
151 return snprintf(page, PAGE_SIZE, "%lu\n",
152 atomic_long_read(&to_stat_tgt_dev(item)->aborts_complete));
153}
154
155static ssize_t target_stat_tgt_aborts_no_task_show(struct config_item *item,
156 char *page)
157{
158 return snprintf(page, PAGE_SIZE, "%lu\n",
159 atomic_long_read(&to_stat_tgt_dev(item)->aborts_no_task));
160}
161
162CONFIGFS_ATTR_RO(target_stat_tgt_, inst);
163CONFIGFS_ATTR_RO(target_stat_tgt_, indx);
164CONFIGFS_ATTR_RO(target_stat_tgt_, num_lus);
165CONFIGFS_ATTR_RO(target_stat_tgt_, status);
166CONFIGFS_ATTR_RO(target_stat_tgt_, non_access_lus);
167CONFIGFS_ATTR_RO(target_stat_tgt_, resets);
168CONFIGFS_ATTR_RO(target_stat_tgt_, aborts_complete);
169CONFIGFS_ATTR_RO(target_stat_tgt_, aborts_no_task);
170
171static struct configfs_attribute *target_stat_scsi_tgt_dev_attrs[] = {
172 &target_stat_tgt_attr_inst,
173 &target_stat_tgt_attr_indx,
174 &target_stat_tgt_attr_num_lus,
175 &target_stat_tgt_attr_status,
176 &target_stat_tgt_attr_non_access_lus,
177 &target_stat_tgt_attr_resets,
178 &target_stat_tgt_attr_aborts_complete,
179 &target_stat_tgt_attr_aborts_no_task,
180 NULL,
181};
182
183static const struct config_item_type target_stat_scsi_tgt_dev_cit = {
184 .ct_attrs = target_stat_scsi_tgt_dev_attrs,
185 .ct_owner = THIS_MODULE,
186};
187
188/*
189 * SCSI Logical Unit Table
190 */
191
192static struct se_device *to_stat_lu_dev(struct config_item *item)
193{
194 struct se_dev_stat_grps *sgrps = container_of(to_config_group(item),
195 struct se_dev_stat_grps, scsi_lu_group);
196 return container_of(sgrps, struct se_device, dev_stat_grps);
197}
198
199static ssize_t target_stat_lu_inst_show(struct config_item *item, char *page)
200{
201 struct se_hba *hba = to_stat_lu_dev(item)->se_hba;
202
203 return snprintf(page, PAGE_SIZE, "%u\n", hba->hba_index);
204}
205
206static ssize_t target_stat_lu_dev_show(struct config_item *item, char *page)
207{
208 return snprintf(page, PAGE_SIZE, "%u\n",
209 to_stat_lu_dev(item)->dev_index);
210}
211
212static ssize_t target_stat_lu_indx_show(struct config_item *item, char *page)
213{
214 return snprintf(page, PAGE_SIZE, "%u\n", SCSI_LU_INDEX);
215}
216
217static ssize_t target_stat_lu_lun_show(struct config_item *item, char *page)
218{
219 /* FIXME: scsiLuDefaultLun */
220 return snprintf(page, PAGE_SIZE, "%llu\n", (unsigned long long)0);
221}
222
223static ssize_t target_stat_lu_lu_name_show(struct config_item *item, char *page)
224{
225 struct se_device *dev = to_stat_lu_dev(item);
226
227 /* scsiLuWwnName */
228 return snprintf(page, PAGE_SIZE, "%s\n",
229 (strlen(dev->t10_wwn.unit_serial)) ?
230 dev->t10_wwn.unit_serial : "None");
231}
232
233static ssize_t target_stat_lu_vend_show(struct config_item *item, char *page)
234{
235 struct se_device *dev = to_stat_lu_dev(item);
236
237 return snprintf(page, PAGE_SIZE, "%-" __stringify(INQUIRY_VENDOR_LEN)
238 "s\n", dev->t10_wwn.vendor);
239}
240
241static ssize_t target_stat_lu_prod_show(struct config_item *item, char *page)
242{
243 struct se_device *dev = to_stat_lu_dev(item);
244
245 return snprintf(page, PAGE_SIZE, "%-" __stringify(INQUIRY_MODEL_LEN)
246 "s\n", dev->t10_wwn.model);
247}
248
249static ssize_t target_stat_lu_rev_show(struct config_item *item, char *page)
250{
251 struct se_device *dev = to_stat_lu_dev(item);
252
253 return snprintf(page, PAGE_SIZE, "%-" __stringify(INQUIRY_REVISION_LEN)
254 "s\n", dev->t10_wwn.revision);
255}
256
257static ssize_t target_stat_lu_dev_type_show(struct config_item *item, char *page)
258{
259 struct se_device *dev = to_stat_lu_dev(item);
260
261 /* scsiLuPeripheralType */
262 return snprintf(page, PAGE_SIZE, "%u\n",
263 dev->transport->get_device_type(dev));
264}
265
266static ssize_t target_stat_lu_status_show(struct config_item *item, char *page)
267{
268 struct se_device *dev = to_stat_lu_dev(item);
269
270 /* scsiLuStatus */
271 return snprintf(page, PAGE_SIZE, "%s\n",
272 (dev->export_count) ? "available" : "notavailable");
273}
274
275static ssize_t target_stat_lu_state_bit_show(struct config_item *item,
276 char *page)
277{
278 /* scsiLuState */
279 return snprintf(page, PAGE_SIZE, "exposed\n");
280}
281
282static ssize_t target_stat_lu_num_cmds_show(struct config_item *item,
283 char *page)
284{
285 struct se_device *dev = to_stat_lu_dev(item);
286
287 /* scsiLuNumCommands */
288 return snprintf(page, PAGE_SIZE, "%lu\n",
289 atomic_long_read(&dev->num_cmds));
290}
291
292static ssize_t target_stat_lu_read_mbytes_show(struct config_item *item,
293 char *page)
294{
295 struct se_device *dev = to_stat_lu_dev(item);
296
297 /* scsiLuReadMegaBytes */
298 return snprintf(page, PAGE_SIZE, "%lu\n",
299 atomic_long_read(&dev->read_bytes) >> 20);
300}
301
302static ssize_t target_stat_lu_write_mbytes_show(struct config_item *item,
303 char *page)
304{
305 struct se_device *dev = to_stat_lu_dev(item);
306
307 /* scsiLuWrittenMegaBytes */
308 return snprintf(page, PAGE_SIZE, "%lu\n",
309 atomic_long_read(&dev->write_bytes) >> 20);
310}
311
312static ssize_t target_stat_lu_resets_show(struct config_item *item, char *page)
313{
314 struct se_device *dev = to_stat_lu_dev(item);
315
316 /* scsiLuInResets */
317 return snprintf(page, PAGE_SIZE, "%lu\n",
318 atomic_long_read(&dev->num_resets));
319}
320
321static ssize_t target_stat_lu_full_stat_show(struct config_item *item,
322 char *page)
323{
324 /* FIXME: scsiLuOutTaskSetFullStatus */
325 return snprintf(page, PAGE_SIZE, "%u\n", 0);
326}
327
328static ssize_t target_stat_lu_hs_num_cmds_show(struct config_item *item,
329 char *page)
330{
331 /* FIXME: scsiLuHSInCommands */
332 return snprintf(page, PAGE_SIZE, "%u\n", 0);
333}
334
335static ssize_t target_stat_lu_creation_time_show(struct config_item *item,
336 char *page)
337{
338 struct se_device *dev = to_stat_lu_dev(item);
339
340 /* scsiLuCreationTime */
341 return snprintf(page, PAGE_SIZE, "%u\n", (u32)(((u32)dev->creation_time -
342 INITIAL_JIFFIES) * 100 / HZ));
343}
344
345CONFIGFS_ATTR_RO(target_stat_lu_, inst);
346CONFIGFS_ATTR_RO(target_stat_lu_, dev);
347CONFIGFS_ATTR_RO(target_stat_lu_, indx);
348CONFIGFS_ATTR_RO(target_stat_lu_, lun);
349CONFIGFS_ATTR_RO(target_stat_lu_, lu_name);
350CONFIGFS_ATTR_RO(target_stat_lu_, vend);
351CONFIGFS_ATTR_RO(target_stat_lu_, prod);
352CONFIGFS_ATTR_RO(target_stat_lu_, rev);
353CONFIGFS_ATTR_RO(target_stat_lu_, dev_type);
354CONFIGFS_ATTR_RO(target_stat_lu_, status);
355CONFIGFS_ATTR_RO(target_stat_lu_, state_bit);
356CONFIGFS_ATTR_RO(target_stat_lu_, num_cmds);
357CONFIGFS_ATTR_RO(target_stat_lu_, read_mbytes);
358CONFIGFS_ATTR_RO(target_stat_lu_, write_mbytes);
359CONFIGFS_ATTR_RO(target_stat_lu_, resets);
360CONFIGFS_ATTR_RO(target_stat_lu_, full_stat);
361CONFIGFS_ATTR_RO(target_stat_lu_, hs_num_cmds);
362CONFIGFS_ATTR_RO(target_stat_lu_, creation_time);
363
364static struct configfs_attribute *target_stat_scsi_lu_attrs[] = {
365 &target_stat_lu_attr_inst,
366 &target_stat_lu_attr_dev,
367 &target_stat_lu_attr_indx,
368 &target_stat_lu_attr_lun,
369 &target_stat_lu_attr_lu_name,
370 &target_stat_lu_attr_vend,
371 &target_stat_lu_attr_prod,
372 &target_stat_lu_attr_rev,
373 &target_stat_lu_attr_dev_type,
374 &target_stat_lu_attr_status,
375 &target_stat_lu_attr_state_bit,
376 &target_stat_lu_attr_num_cmds,
377 &target_stat_lu_attr_read_mbytes,
378 &target_stat_lu_attr_write_mbytes,
379 &target_stat_lu_attr_resets,
380 &target_stat_lu_attr_full_stat,
381 &target_stat_lu_attr_hs_num_cmds,
382 &target_stat_lu_attr_creation_time,
383 NULL,
384};
385
386static const struct config_item_type target_stat_scsi_lu_cit = {
387 .ct_attrs = target_stat_scsi_lu_attrs,
388 .ct_owner = THIS_MODULE,
389};
390
391/*
392 * Called from target_core_configfs.c:target_core_make_subdev() to setup
393 * the target statistics groups + configfs CITs located in target_core_stat.c
394 */
395void target_stat_setup_dev_default_groups(struct se_device *dev)
396{
397 config_group_init_type_name(&dev->dev_stat_grps.scsi_dev_group,
398 "scsi_dev", &target_stat_scsi_dev_cit);
399 configfs_add_default_group(&dev->dev_stat_grps.scsi_dev_group,
400 &dev->dev_stat_grps.stat_group);
401
402 config_group_init_type_name(&dev->dev_stat_grps.scsi_tgt_dev_group,
403 "scsi_tgt_dev", &target_stat_scsi_tgt_dev_cit);
404 configfs_add_default_group(&dev->dev_stat_grps.scsi_tgt_dev_group,
405 &dev->dev_stat_grps.stat_group);
406
407 config_group_init_type_name(&dev->dev_stat_grps.scsi_lu_group,
408 "scsi_lu", &target_stat_scsi_lu_cit);
409 configfs_add_default_group(&dev->dev_stat_grps.scsi_lu_group,
410 &dev->dev_stat_grps.stat_group);
411}
412
413/*
414 * SCSI Port Table
415 */
416
417static struct se_lun *to_stat_port(struct config_item *item)
418{
419 struct se_port_stat_grps *pgrps = container_of(to_config_group(item),
420 struct se_port_stat_grps, scsi_port_group);
421 return container_of(pgrps, struct se_lun, port_stat_grps);
422}
423
424static ssize_t target_stat_port_inst_show(struct config_item *item, char *page)
425{
426 struct se_lun *lun = to_stat_port(item);
427 struct se_device *dev;
428 ssize_t ret = -ENODEV;
429
430 rcu_read_lock();
431 dev = rcu_dereference(lun->lun_se_dev);
432 if (dev)
433 ret = snprintf(page, PAGE_SIZE, "%u\n", dev->hba_index);
434 rcu_read_unlock();
435 return ret;
436}
437
438static ssize_t target_stat_port_dev_show(struct config_item *item, char *page)
439{
440 struct se_lun *lun = to_stat_port(item);
441 struct se_device *dev;
442 ssize_t ret = -ENODEV;
443
444 rcu_read_lock();
445 dev = rcu_dereference(lun->lun_se_dev);
446 if (dev)
447 ret = snprintf(page, PAGE_SIZE, "%u\n", dev->dev_index);
448 rcu_read_unlock();
449 return ret;
450}
451
452static ssize_t target_stat_port_indx_show(struct config_item *item, char *page)
453{
454 struct se_lun *lun = to_stat_port(item);
455 struct se_device *dev;
456 ssize_t ret = -ENODEV;
457
458 rcu_read_lock();
459 dev = rcu_dereference(lun->lun_se_dev);
460 if (dev)
461 ret = snprintf(page, PAGE_SIZE, "%u\n", lun->lun_rtpi);
462 rcu_read_unlock();
463 return ret;
464}
465
466static ssize_t target_stat_port_role_show(struct config_item *item, char *page)
467{
468 struct se_lun *lun = to_stat_port(item);
469 struct se_device *dev;
470 ssize_t ret = -ENODEV;
471
472 rcu_read_lock();
473 dev = rcu_dereference(lun->lun_se_dev);
474 if (dev)
475 ret = snprintf(page, PAGE_SIZE, "%s%u\n", "Device", dev->dev_index);
476 rcu_read_unlock();
477 return ret;
478}
479
480static ssize_t target_stat_port_busy_count_show(struct config_item *item,
481 char *page)
482{
483 struct se_lun *lun = to_stat_port(item);
484 struct se_device *dev;
485 ssize_t ret = -ENODEV;
486
487 rcu_read_lock();
488 dev = rcu_dereference(lun->lun_se_dev);
489 if (dev) {
490 /* FIXME: scsiPortBusyStatuses */
491 ret = snprintf(page, PAGE_SIZE, "%u\n", 0);
492 }
493 rcu_read_unlock();
494 return ret;
495}
496
497CONFIGFS_ATTR_RO(target_stat_port_, inst);
498CONFIGFS_ATTR_RO(target_stat_port_, dev);
499CONFIGFS_ATTR_RO(target_stat_port_, indx);
500CONFIGFS_ATTR_RO(target_stat_port_, role);
501CONFIGFS_ATTR_RO(target_stat_port_, busy_count);
502
503static struct configfs_attribute *target_stat_scsi_port_attrs[] = {
504 &target_stat_port_attr_inst,
505 &target_stat_port_attr_dev,
506 &target_stat_port_attr_indx,
507 &target_stat_port_attr_role,
508 &target_stat_port_attr_busy_count,
509 NULL,
510};
511
512static const struct config_item_type target_stat_scsi_port_cit = {
513 .ct_attrs = target_stat_scsi_port_attrs,
514 .ct_owner = THIS_MODULE,
515};
516
517/*
518 * SCSI Target Port Table
519 */
520static struct se_lun *to_stat_tgt_port(struct config_item *item)
521{
522 struct se_port_stat_grps *pgrps = container_of(to_config_group(item),
523 struct se_port_stat_grps, scsi_tgt_port_group);
524 return container_of(pgrps, struct se_lun, port_stat_grps);
525}
526
527static ssize_t target_stat_tgt_port_inst_show(struct config_item *item,
528 char *page)
529{
530 struct se_lun *lun = to_stat_tgt_port(item);
531 struct se_device *dev;
532 ssize_t ret = -ENODEV;
533
534 rcu_read_lock();
535 dev = rcu_dereference(lun->lun_se_dev);
536 if (dev)
537 ret = snprintf(page, PAGE_SIZE, "%u\n", dev->hba_index);
538 rcu_read_unlock();
539 return ret;
540}
541
542static ssize_t target_stat_tgt_port_dev_show(struct config_item *item,
543 char *page)
544{
545 struct se_lun *lun = to_stat_tgt_port(item);
546 struct se_device *dev;
547 ssize_t ret = -ENODEV;
548
549 rcu_read_lock();
550 dev = rcu_dereference(lun->lun_se_dev);
551 if (dev)
552 ret = snprintf(page, PAGE_SIZE, "%u\n", dev->dev_index);
553 rcu_read_unlock();
554 return ret;
555}
556
557static ssize_t target_stat_tgt_port_indx_show(struct config_item *item,
558 char *page)
559{
560 struct se_lun *lun = to_stat_tgt_port(item);
561 struct se_device *dev;
562 ssize_t ret = -ENODEV;
563
564 rcu_read_lock();
565 dev = rcu_dereference(lun->lun_se_dev);
566 if (dev)
567 ret = snprintf(page, PAGE_SIZE, "%u\n", lun->lun_rtpi);
568 rcu_read_unlock();
569 return ret;
570}
571
572static ssize_t target_stat_tgt_port_name_show(struct config_item *item,
573 char *page)
574{
575 struct se_lun *lun = to_stat_tgt_port(item);
576 struct se_portal_group *tpg = lun->lun_tpg;
577 struct se_device *dev;
578 ssize_t ret = -ENODEV;
579
580 rcu_read_lock();
581 dev = rcu_dereference(lun->lun_se_dev);
582 if (dev)
583 ret = snprintf(page, PAGE_SIZE, "%sPort#%u\n",
584 tpg->se_tpg_tfo->fabric_name,
585 lun->lun_rtpi);
586 rcu_read_unlock();
587 return ret;
588}
589
590static ssize_t target_stat_tgt_port_port_index_show(struct config_item *item,
591 char *page)
592{
593 struct se_lun *lun = to_stat_tgt_port(item);
594 struct se_portal_group *tpg = lun->lun_tpg;
595 struct se_device *dev;
596 ssize_t ret = -ENODEV;
597
598 rcu_read_lock();
599 dev = rcu_dereference(lun->lun_se_dev);
600 if (dev)
601 ret = snprintf(page, PAGE_SIZE, "%s%s%d\n",
602 tpg->se_tpg_tfo->tpg_get_wwn(tpg), "+t+",
603 tpg->se_tpg_tfo->tpg_get_tag(tpg));
604 rcu_read_unlock();
605 return ret;
606}
607
608static ssize_t target_stat_tgt_port_in_cmds_show(struct config_item *item,
609 char *page)
610{
611 struct se_lun *lun = to_stat_tgt_port(item);
612 struct se_device *dev;
613 ssize_t ret = -ENODEV;
614
615 rcu_read_lock();
616 dev = rcu_dereference(lun->lun_se_dev);
617 if (dev)
618 ret = snprintf(page, PAGE_SIZE, "%lu\n",
619 atomic_long_read(&lun->lun_stats.cmd_pdus));
620 rcu_read_unlock();
621 return ret;
622}
623
624static ssize_t target_stat_tgt_port_write_mbytes_show(struct config_item *item,
625 char *page)
626{
627 struct se_lun *lun = to_stat_tgt_port(item);
628 struct se_device *dev;
629 ssize_t ret = -ENODEV;
630
631 rcu_read_lock();
632 dev = rcu_dereference(lun->lun_se_dev);
633 if (dev)
634 ret = snprintf(page, PAGE_SIZE, "%u\n",
635 (u32)(atomic_long_read(&lun->lun_stats.rx_data_octets) >> 20));
636 rcu_read_unlock();
637 return ret;
638}
639
640static ssize_t target_stat_tgt_port_read_mbytes_show(struct config_item *item,
641 char *page)
642{
643 struct se_lun *lun = to_stat_tgt_port(item);
644 struct se_device *dev;
645 ssize_t ret = -ENODEV;
646
647 rcu_read_lock();
648 dev = rcu_dereference(lun->lun_se_dev);
649 if (dev)
650 ret = snprintf(page, PAGE_SIZE, "%u\n",
651 (u32)(atomic_long_read(&lun->lun_stats.tx_data_octets) >> 20));
652 rcu_read_unlock();
653 return ret;
654}
655
656static ssize_t target_stat_tgt_port_hs_in_cmds_show(struct config_item *item,
657 char *page)
658{
659 struct se_lun *lun = to_stat_tgt_port(item);
660 struct se_device *dev;
661 ssize_t ret = -ENODEV;
662
663 rcu_read_lock();
664 dev = rcu_dereference(lun->lun_se_dev);
665 if (dev) {
666 /* FIXME: scsiTgtPortHsInCommands */
667 ret = snprintf(page, PAGE_SIZE, "%u\n", 0);
668 }
669 rcu_read_unlock();
670 return ret;
671}
672
673CONFIGFS_ATTR_RO(target_stat_tgt_port_, inst);
674CONFIGFS_ATTR_RO(target_stat_tgt_port_, dev);
675CONFIGFS_ATTR_RO(target_stat_tgt_port_, indx);
676CONFIGFS_ATTR_RO(target_stat_tgt_port_, name);
677CONFIGFS_ATTR_RO(target_stat_tgt_port_, port_index);
678CONFIGFS_ATTR_RO(target_stat_tgt_port_, in_cmds);
679CONFIGFS_ATTR_RO(target_stat_tgt_port_, write_mbytes);
680CONFIGFS_ATTR_RO(target_stat_tgt_port_, read_mbytes);
681CONFIGFS_ATTR_RO(target_stat_tgt_port_, hs_in_cmds);
682
683static struct configfs_attribute *target_stat_scsi_tgt_port_attrs[] = {
684 &target_stat_tgt_port_attr_inst,
685 &target_stat_tgt_port_attr_dev,
686 &target_stat_tgt_port_attr_indx,
687 &target_stat_tgt_port_attr_name,
688 &target_stat_tgt_port_attr_port_index,
689 &target_stat_tgt_port_attr_in_cmds,
690 &target_stat_tgt_port_attr_write_mbytes,
691 &target_stat_tgt_port_attr_read_mbytes,
692 &target_stat_tgt_port_attr_hs_in_cmds,
693 NULL,
694};
695
696static const struct config_item_type target_stat_scsi_tgt_port_cit = {
697 .ct_attrs = target_stat_scsi_tgt_port_attrs,
698 .ct_owner = THIS_MODULE,
699};
700
701/*
702 * SCSI Transport Table
703 */
704static struct se_lun *to_transport_stat(struct config_item *item)
705{
706 struct se_port_stat_grps *pgrps = container_of(to_config_group(item),
707 struct se_port_stat_grps, scsi_transport_group);
708 return container_of(pgrps, struct se_lun, port_stat_grps);
709}
710
711static ssize_t target_stat_transport_inst_show(struct config_item *item,
712 char *page)
713{
714 struct se_lun *lun = to_transport_stat(item);
715 struct se_device *dev;
716 ssize_t ret = -ENODEV;
717
718 rcu_read_lock();
719 dev = rcu_dereference(lun->lun_se_dev);
720 if (dev)
721 ret = snprintf(page, PAGE_SIZE, "%u\n", dev->hba_index);
722 rcu_read_unlock();
723 return ret;
724}
725
726static ssize_t target_stat_transport_device_show(struct config_item *item,
727 char *page)
728{
729 struct se_lun *lun = to_transport_stat(item);
730 struct se_device *dev;
731 struct se_portal_group *tpg = lun->lun_tpg;
732 ssize_t ret = -ENODEV;
733
734 rcu_read_lock();
735 dev = rcu_dereference(lun->lun_se_dev);
736 if (dev) {
737 /* scsiTransportType */
738 ret = snprintf(page, PAGE_SIZE, "scsiTransport%s\n",
739 tpg->se_tpg_tfo->fabric_name);
740 }
741 rcu_read_unlock();
742 return ret;
743}
744
745static ssize_t target_stat_transport_indx_show(struct config_item *item,
746 char *page)
747{
748 struct se_lun *lun = to_transport_stat(item);
749 struct se_device *dev;
750 struct se_portal_group *tpg = lun->lun_tpg;
751 ssize_t ret = -ENODEV;
752
753 rcu_read_lock();
754 dev = rcu_dereference(lun->lun_se_dev);
755 if (dev)
756 ret = snprintf(page, PAGE_SIZE, "%u\n",
757 tpg->se_tpg_tfo->tpg_get_inst_index(tpg));
758 rcu_read_unlock();
759 return ret;
760}
761
762static ssize_t target_stat_transport_dev_name_show(struct config_item *item,
763 char *page)
764{
765 struct se_lun *lun = to_transport_stat(item);
766 struct se_device *dev;
767 struct se_portal_group *tpg = lun->lun_tpg;
768 struct t10_wwn *wwn;
769 ssize_t ret = -ENODEV;
770
771 rcu_read_lock();
772 dev = rcu_dereference(lun->lun_se_dev);
773 if (dev) {
774 wwn = &dev->t10_wwn;
775 /* scsiTransportDevName */
776 ret = snprintf(page, PAGE_SIZE, "%s+%s\n",
777 tpg->se_tpg_tfo->tpg_get_wwn(tpg),
778 (strlen(wwn->unit_serial)) ? wwn->unit_serial :
779 wwn->vendor);
780 }
781 rcu_read_unlock();
782 return ret;
783}
784
785static ssize_t target_stat_transport_proto_id_show(struct config_item *item,
786 char *page)
787{
788 struct se_lun *lun = to_transport_stat(item);
789 struct se_device *dev;
790 struct se_portal_group *tpg = lun->lun_tpg;
791 ssize_t ret = -ENODEV;
792
793 rcu_read_lock();
794 dev = rcu_dereference(lun->lun_se_dev);
795 if (dev)
796 ret = snprintf(page, PAGE_SIZE, "%u\n", tpg->proto_id);
797 rcu_read_unlock();
798 return ret;
799}
800
801CONFIGFS_ATTR_RO(target_stat_transport_, inst);
802CONFIGFS_ATTR_RO(target_stat_transport_, device);
803CONFIGFS_ATTR_RO(target_stat_transport_, indx);
804CONFIGFS_ATTR_RO(target_stat_transport_, dev_name);
805CONFIGFS_ATTR_RO(target_stat_transport_, proto_id);
806
807static struct configfs_attribute *target_stat_scsi_transport_attrs[] = {
808 &target_stat_transport_attr_inst,
809 &target_stat_transport_attr_device,
810 &target_stat_transport_attr_indx,
811 &target_stat_transport_attr_dev_name,
812 &target_stat_transport_attr_proto_id,
813 NULL,
814};
815
816static const struct config_item_type target_stat_scsi_transport_cit = {
817 .ct_attrs = target_stat_scsi_transport_attrs,
818 .ct_owner = THIS_MODULE,
819};
820
821/*
822 * Called from target_core_fabric_configfs.c:target_fabric_make_lun() to setup
823 * the target port statistics groups + configfs CITs located in target_core_stat.c
824 */
825void target_stat_setup_port_default_groups(struct se_lun *lun)
826{
827 config_group_init_type_name(&lun->port_stat_grps.scsi_port_group,
828 "scsi_port", &target_stat_scsi_port_cit);
829 configfs_add_default_group(&lun->port_stat_grps.scsi_port_group,
830 &lun->port_stat_grps.stat_group);
831
832 config_group_init_type_name(&lun->port_stat_grps.scsi_tgt_port_group,
833 "scsi_tgt_port", &target_stat_scsi_tgt_port_cit);
834 configfs_add_default_group(&lun->port_stat_grps.scsi_tgt_port_group,
835 &lun->port_stat_grps.stat_group);
836
837 config_group_init_type_name(&lun->port_stat_grps.scsi_transport_group,
838 "scsi_transport", &target_stat_scsi_transport_cit);
839 configfs_add_default_group(&lun->port_stat_grps.scsi_transport_group,
840 &lun->port_stat_grps.stat_group);
841}
842
843/*
844 * SCSI Authorized Initiator Table
845 */
846
847static struct se_lun_acl *auth_to_lacl(struct config_item *item)
848{
849 struct se_ml_stat_grps *lgrps = container_of(to_config_group(item),
850 struct se_ml_stat_grps, scsi_auth_intr_group);
851 return container_of(lgrps, struct se_lun_acl, ml_stat_grps);
852}
853
854static ssize_t target_stat_auth_inst_show(struct config_item *item,
855 char *page)
856{
857 struct se_lun_acl *lacl = auth_to_lacl(item);
858 struct se_node_acl *nacl = lacl->se_lun_nacl;
859 struct se_dev_entry *deve;
860 struct se_portal_group *tpg;
861 ssize_t ret;
862
863 rcu_read_lock();
864 deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
865 if (!deve) {
866 rcu_read_unlock();
867 return -ENODEV;
868 }
869 tpg = nacl->se_tpg;
870 /* scsiInstIndex */
871 ret = snprintf(page, PAGE_SIZE, "%u\n",
872 tpg->se_tpg_tfo->tpg_get_inst_index(tpg));
873 rcu_read_unlock();
874 return ret;
875}
876
877static ssize_t target_stat_auth_dev_show(struct config_item *item,
878 char *page)
879{
880 struct se_lun_acl *lacl = auth_to_lacl(item);
881 struct se_node_acl *nacl = lacl->se_lun_nacl;
882 struct se_dev_entry *deve;
883 struct se_lun *lun;
884 ssize_t ret;
885
886 rcu_read_lock();
887 deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
888 if (!deve) {
889 rcu_read_unlock();
890 return -ENODEV;
891 }
892 lun = rcu_dereference(deve->se_lun);
893 /* scsiDeviceIndex */
894 ret = snprintf(page, PAGE_SIZE, "%u\n", lun->lun_index);
895 rcu_read_unlock();
896 return ret;
897}
898
899static ssize_t target_stat_auth_port_show(struct config_item *item,
900 char *page)
901{
902 struct se_lun_acl *lacl = auth_to_lacl(item);
903 struct se_node_acl *nacl = lacl->se_lun_nacl;
904 struct se_dev_entry *deve;
905 struct se_portal_group *tpg;
906 ssize_t ret;
907
908 rcu_read_lock();
909 deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
910 if (!deve) {
911 rcu_read_unlock();
912 return -ENODEV;
913 }
914 tpg = nacl->se_tpg;
915 /* scsiAuthIntrTgtPortIndex */
916 ret = snprintf(page, PAGE_SIZE, "%u\n", tpg->se_tpg_tfo->tpg_get_tag(tpg));
917 rcu_read_unlock();
918 return ret;
919}
920
921static ssize_t target_stat_auth_indx_show(struct config_item *item,
922 char *page)
923{
924 struct se_lun_acl *lacl = auth_to_lacl(item);
925 struct se_node_acl *nacl = lacl->se_lun_nacl;
926 struct se_dev_entry *deve;
927 ssize_t ret;
928
929 rcu_read_lock();
930 deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
931 if (!deve) {
932 rcu_read_unlock();
933 return -ENODEV;
934 }
935 /* scsiAuthIntrIndex */
936 ret = snprintf(page, PAGE_SIZE, "%u\n", nacl->acl_index);
937 rcu_read_unlock();
938 return ret;
939}
940
941static ssize_t target_stat_auth_dev_or_port_show(struct config_item *item,
942 char *page)
943{
944 struct se_lun_acl *lacl = auth_to_lacl(item);
945 struct se_node_acl *nacl = lacl->se_lun_nacl;
946 struct se_dev_entry *deve;
947 ssize_t ret;
948
949 rcu_read_lock();
950 deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
951 if (!deve) {
952 rcu_read_unlock();
953 return -ENODEV;
954 }
955 /* scsiAuthIntrDevOrPort */
956 ret = snprintf(page, PAGE_SIZE, "%u\n", 1);
957 rcu_read_unlock();
958 return ret;
959}
960
961static ssize_t target_stat_auth_intr_name_show(struct config_item *item,
962 char *page)
963{
964 struct se_lun_acl *lacl = auth_to_lacl(item);
965 struct se_node_acl *nacl = lacl->se_lun_nacl;
966 struct se_dev_entry *deve;
967 ssize_t ret;
968
969 rcu_read_lock();
970 deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
971 if (!deve) {
972 rcu_read_unlock();
973 return -ENODEV;
974 }
975 /* scsiAuthIntrName */
976 ret = snprintf(page, PAGE_SIZE, "%s\n", nacl->initiatorname);
977 rcu_read_unlock();
978 return ret;
979}
980
981static ssize_t target_stat_auth_map_indx_show(struct config_item *item,
982 char *page)
983{
984 struct se_lun_acl *lacl = auth_to_lacl(item);
985 struct se_node_acl *nacl = lacl->se_lun_nacl;
986 struct se_dev_entry *deve;
987 ssize_t ret;
988
989 rcu_read_lock();
990 deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
991 if (!deve) {
992 rcu_read_unlock();
993 return -ENODEV;
994 }
995 /* FIXME: scsiAuthIntrLunMapIndex */
996 ret = snprintf(page, PAGE_SIZE, "%u\n", 0);
997 rcu_read_unlock();
998 return ret;
999}
1000
1001static ssize_t target_stat_auth_att_count_show(struct config_item *item,
1002 char *page)
1003{
1004 struct se_lun_acl *lacl = auth_to_lacl(item);
1005 struct se_node_acl *nacl = lacl->se_lun_nacl;
1006 struct se_dev_entry *deve;
1007 ssize_t ret;
1008
1009 rcu_read_lock();
1010 deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
1011 if (!deve) {
1012 rcu_read_unlock();
1013 return -ENODEV;
1014 }
1015 /* scsiAuthIntrAttachedTimes */
1016 ret = snprintf(page, PAGE_SIZE, "%u\n", deve->attach_count);
1017 rcu_read_unlock();
1018 return ret;
1019}
1020
1021static ssize_t target_stat_auth_num_cmds_show(struct config_item *item,
1022 char *page)
1023{
1024 struct se_lun_acl *lacl = auth_to_lacl(item);
1025 struct se_node_acl *nacl = lacl->se_lun_nacl;
1026 struct se_dev_entry *deve;
1027 ssize_t ret;
1028
1029 rcu_read_lock();
1030 deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
1031 if (!deve) {
1032 rcu_read_unlock();
1033 return -ENODEV;
1034 }
1035 /* scsiAuthIntrOutCommands */
1036 ret = snprintf(page, PAGE_SIZE, "%lu\n",
1037 atomic_long_read(&deve->total_cmds));
1038 rcu_read_unlock();
1039 return ret;
1040}
1041
1042static ssize_t target_stat_auth_read_mbytes_show(struct config_item *item,
1043 char *page)
1044{
1045 struct se_lun_acl *lacl = auth_to_lacl(item);
1046 struct se_node_acl *nacl = lacl->se_lun_nacl;
1047 struct se_dev_entry *deve;
1048 ssize_t ret;
1049
1050 rcu_read_lock();
1051 deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
1052 if (!deve) {
1053 rcu_read_unlock();
1054 return -ENODEV;
1055 }
1056 /* scsiAuthIntrReadMegaBytes */
1057 ret = snprintf(page, PAGE_SIZE, "%u\n",
1058 (u32)(atomic_long_read(&deve->read_bytes) >> 20));
1059 rcu_read_unlock();
1060 return ret;
1061}
1062
1063static ssize_t target_stat_auth_write_mbytes_show(struct config_item *item,
1064 char *page)
1065{
1066 struct se_lun_acl *lacl = auth_to_lacl(item);
1067 struct se_node_acl *nacl = lacl->se_lun_nacl;
1068 struct se_dev_entry *deve;
1069 ssize_t ret;
1070
1071 rcu_read_lock();
1072 deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
1073 if (!deve) {
1074 rcu_read_unlock();
1075 return -ENODEV;
1076 }
1077 /* scsiAuthIntrWrittenMegaBytes */
1078 ret = snprintf(page, PAGE_SIZE, "%u\n",
1079 (u32)(atomic_long_read(&deve->write_bytes) >> 20));
1080 rcu_read_unlock();
1081 return ret;
1082}
1083
1084static ssize_t target_stat_auth_hs_num_cmds_show(struct config_item *item,
1085 char *page)
1086{
1087 struct se_lun_acl *lacl = auth_to_lacl(item);
1088 struct se_node_acl *nacl = lacl->se_lun_nacl;
1089 struct se_dev_entry *deve;
1090 ssize_t ret;
1091
1092 rcu_read_lock();
1093 deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
1094 if (!deve) {
1095 rcu_read_unlock();
1096 return -ENODEV;
1097 }
1098 /* FIXME: scsiAuthIntrHSOutCommands */
1099 ret = snprintf(page, PAGE_SIZE, "%u\n", 0);
1100 rcu_read_unlock();
1101 return ret;
1102}
1103
1104static ssize_t target_stat_auth_creation_time_show(struct config_item *item,
1105 char *page)
1106{
1107 struct se_lun_acl *lacl = auth_to_lacl(item);
1108 struct se_node_acl *nacl = lacl->se_lun_nacl;
1109 struct se_dev_entry *deve;
1110 ssize_t ret;
1111
1112 rcu_read_lock();
1113 deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
1114 if (!deve) {
1115 rcu_read_unlock();
1116 return -ENODEV;
1117 }
1118 /* scsiAuthIntrLastCreation */
1119 ret = snprintf(page, PAGE_SIZE, "%u\n", (u32)(((u32)deve->creation_time -
1120 INITIAL_JIFFIES) * 100 / HZ));
1121 rcu_read_unlock();
1122 return ret;
1123}
1124
1125static ssize_t target_stat_auth_row_status_show(struct config_item *item,
1126 char *page)
1127{
1128 struct se_lun_acl *lacl = auth_to_lacl(item);
1129 struct se_node_acl *nacl = lacl->se_lun_nacl;
1130 struct se_dev_entry *deve;
1131 ssize_t ret;
1132
1133 rcu_read_lock();
1134 deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
1135 if (!deve) {
1136 rcu_read_unlock();
1137 return -ENODEV;
1138 }
1139 /* FIXME: scsiAuthIntrRowStatus */
1140 ret = snprintf(page, PAGE_SIZE, "Ready\n");
1141 rcu_read_unlock();
1142 return ret;
1143}
1144
1145CONFIGFS_ATTR_RO(target_stat_auth_, inst);
1146CONFIGFS_ATTR_RO(target_stat_auth_, dev);
1147CONFIGFS_ATTR_RO(target_stat_auth_, port);
1148CONFIGFS_ATTR_RO(target_stat_auth_, indx);
1149CONFIGFS_ATTR_RO(target_stat_auth_, dev_or_port);
1150CONFIGFS_ATTR_RO(target_stat_auth_, intr_name);
1151CONFIGFS_ATTR_RO(target_stat_auth_, map_indx);
1152CONFIGFS_ATTR_RO(target_stat_auth_, att_count);
1153CONFIGFS_ATTR_RO(target_stat_auth_, num_cmds);
1154CONFIGFS_ATTR_RO(target_stat_auth_, read_mbytes);
1155CONFIGFS_ATTR_RO(target_stat_auth_, write_mbytes);
1156CONFIGFS_ATTR_RO(target_stat_auth_, hs_num_cmds);
1157CONFIGFS_ATTR_RO(target_stat_auth_, creation_time);
1158CONFIGFS_ATTR_RO(target_stat_auth_, row_status);
1159
1160static struct configfs_attribute *target_stat_scsi_auth_intr_attrs[] = {
1161 &target_stat_auth_attr_inst,
1162 &target_stat_auth_attr_dev,
1163 &target_stat_auth_attr_port,
1164 &target_stat_auth_attr_indx,
1165 &target_stat_auth_attr_dev_or_port,
1166 &target_stat_auth_attr_intr_name,
1167 &target_stat_auth_attr_map_indx,
1168 &target_stat_auth_attr_att_count,
1169 &target_stat_auth_attr_num_cmds,
1170 &target_stat_auth_attr_read_mbytes,
1171 &target_stat_auth_attr_write_mbytes,
1172 &target_stat_auth_attr_hs_num_cmds,
1173 &target_stat_auth_attr_creation_time,
1174 &target_stat_auth_attr_row_status,
1175 NULL,
1176};
1177
1178static const struct config_item_type target_stat_scsi_auth_intr_cit = {
1179 .ct_attrs = target_stat_scsi_auth_intr_attrs,
1180 .ct_owner = THIS_MODULE,
1181};
1182
1183/*
1184 * SCSI Attached Initiator Port Table
1185 */
1186
1187static struct se_lun_acl *iport_to_lacl(struct config_item *item)
1188{
1189 struct se_ml_stat_grps *lgrps = container_of(to_config_group(item),
1190 struct se_ml_stat_grps, scsi_att_intr_port_group);
1191 return container_of(lgrps, struct se_lun_acl, ml_stat_grps);
1192}
1193
1194static ssize_t target_stat_iport_inst_show(struct config_item *item,
1195 char *page)
1196{
1197 struct se_lun_acl *lacl = iport_to_lacl(item);
1198 struct se_node_acl *nacl = lacl->se_lun_nacl;
1199 struct se_dev_entry *deve;
1200 struct se_portal_group *tpg;
1201 ssize_t ret;
1202
1203 rcu_read_lock();
1204 deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
1205 if (!deve) {
1206 rcu_read_unlock();
1207 return -ENODEV;
1208 }
1209 tpg = nacl->se_tpg;
1210 /* scsiInstIndex */
1211 ret = snprintf(page, PAGE_SIZE, "%u\n",
1212 tpg->se_tpg_tfo->tpg_get_inst_index(tpg));
1213 rcu_read_unlock();
1214 return ret;
1215}
1216
1217static ssize_t target_stat_iport_dev_show(struct config_item *item,
1218 char *page)
1219{
1220 struct se_lun_acl *lacl = iport_to_lacl(item);
1221 struct se_node_acl *nacl = lacl->se_lun_nacl;
1222 struct se_dev_entry *deve;
1223 struct se_lun *lun;
1224 ssize_t ret;
1225
1226 rcu_read_lock();
1227 deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
1228 if (!deve) {
1229 rcu_read_unlock();
1230 return -ENODEV;
1231 }
1232 lun = rcu_dereference(deve->se_lun);
1233 /* scsiDeviceIndex */
1234 ret = snprintf(page, PAGE_SIZE, "%u\n", lun->lun_index);
1235 rcu_read_unlock();
1236 return ret;
1237}
1238
1239static ssize_t target_stat_iport_port_show(struct config_item *item,
1240 char *page)
1241{
1242 struct se_lun_acl *lacl = iport_to_lacl(item);
1243 struct se_node_acl *nacl = lacl->se_lun_nacl;
1244 struct se_dev_entry *deve;
1245 struct se_portal_group *tpg;
1246 ssize_t ret;
1247
1248 rcu_read_lock();
1249 deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
1250 if (!deve) {
1251 rcu_read_unlock();
1252 return -ENODEV;
1253 }
1254 tpg = nacl->se_tpg;
1255 /* scsiPortIndex */
1256 ret = snprintf(page, PAGE_SIZE, "%u\n", tpg->se_tpg_tfo->tpg_get_tag(tpg));
1257 rcu_read_unlock();
1258 return ret;
1259}
1260
1261static ssize_t target_stat_iport_indx_show(struct config_item *item,
1262 char *page)
1263{
1264 struct se_lun_acl *lacl = iport_to_lacl(item);
1265 struct se_node_acl *nacl = lacl->se_lun_nacl;
1266 struct se_session *se_sess;
1267 struct se_portal_group *tpg;
1268 ssize_t ret;
1269
1270 spin_lock_irq(&nacl->nacl_sess_lock);
1271 se_sess = nacl->nacl_sess;
1272 if (!se_sess) {
1273 spin_unlock_irq(&nacl->nacl_sess_lock);
1274 return -ENODEV;
1275 }
1276
1277 tpg = nacl->se_tpg;
1278 /* scsiAttIntrPortIndex */
1279 ret = snprintf(page, PAGE_SIZE, "%u\n",
1280 tpg->se_tpg_tfo->sess_get_index(se_sess));
1281 spin_unlock_irq(&nacl->nacl_sess_lock);
1282 return ret;
1283}
1284
1285static ssize_t target_stat_iport_port_auth_indx_show(struct config_item *item,
1286 char *page)
1287{
1288 struct se_lun_acl *lacl = iport_to_lacl(item);
1289 struct se_node_acl *nacl = lacl->se_lun_nacl;
1290 struct se_dev_entry *deve;
1291 ssize_t ret;
1292
1293 rcu_read_lock();
1294 deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
1295 if (!deve) {
1296 rcu_read_unlock();
1297 return -ENODEV;
1298 }
1299 /* scsiAttIntrPortAuthIntrIdx */
1300 ret = snprintf(page, PAGE_SIZE, "%u\n", nacl->acl_index);
1301 rcu_read_unlock();
1302 return ret;
1303}
1304
1305static ssize_t target_stat_iport_port_ident_show(struct config_item *item,
1306 char *page)
1307{
1308 struct se_lun_acl *lacl = iport_to_lacl(item);
1309 struct se_node_acl *nacl = lacl->se_lun_nacl;
1310 struct se_session *se_sess;
1311 struct se_portal_group *tpg;
1312 ssize_t ret;
1313 unsigned char buf[64];
1314
1315 spin_lock_irq(&nacl->nacl_sess_lock);
1316 se_sess = nacl->nacl_sess;
1317 if (!se_sess) {
1318 spin_unlock_irq(&nacl->nacl_sess_lock);
1319 return -ENODEV;
1320 }
1321
1322 tpg = nacl->se_tpg;
1323 /* scsiAttIntrPortName+scsiAttIntrPortIdentifier */
1324 memset(buf, 0, 64);
1325 if (tpg->se_tpg_tfo->sess_get_initiator_sid != NULL)
1326 tpg->se_tpg_tfo->sess_get_initiator_sid(se_sess, buf, 64);
1327
1328 ret = snprintf(page, PAGE_SIZE, "%s+i+%s\n", nacl->initiatorname, buf);
1329 spin_unlock_irq(&nacl->nacl_sess_lock);
1330 return ret;
1331}
1332
1333CONFIGFS_ATTR_RO(target_stat_iport_, inst);
1334CONFIGFS_ATTR_RO(target_stat_iport_, dev);
1335CONFIGFS_ATTR_RO(target_stat_iport_, port);
1336CONFIGFS_ATTR_RO(target_stat_iport_, indx);
1337CONFIGFS_ATTR_RO(target_stat_iport_, port_auth_indx);
1338CONFIGFS_ATTR_RO(target_stat_iport_, port_ident);
1339
1340static struct configfs_attribute *target_stat_scsi_ath_intr_port_attrs[] = {
1341 &target_stat_iport_attr_inst,
1342 &target_stat_iport_attr_dev,
1343 &target_stat_iport_attr_port,
1344 &target_stat_iport_attr_indx,
1345 &target_stat_iport_attr_port_auth_indx,
1346 &target_stat_iport_attr_port_ident,
1347 NULL,
1348};
1349
1350static const struct config_item_type target_stat_scsi_att_intr_port_cit = {
1351 .ct_attrs = target_stat_scsi_ath_intr_port_attrs,
1352 .ct_owner = THIS_MODULE,
1353};
1354
1355/*
1356 * Called from target_core_fabric_configfs.c:target_fabric_make_mappedlun() to setup
1357 * the target MappedLUN statistics groups + configfs CITs located in target_core_stat.c
1358 */
1359void target_stat_setup_mappedlun_default_groups(struct se_lun_acl *lacl)
1360{
1361 config_group_init_type_name(&lacl->ml_stat_grps.scsi_auth_intr_group,
1362 "scsi_auth_intr", &target_stat_scsi_auth_intr_cit);
1363 configfs_add_default_group(&lacl->ml_stat_grps.scsi_auth_intr_group,
1364 &lacl->ml_stat_grps.stat_group);
1365
1366 config_group_init_type_name(&lacl->ml_stat_grps.scsi_att_intr_port_group,
1367 "scsi_att_intr_port", &target_stat_scsi_att_intr_port_cit);
1368 configfs_add_default_group(&lacl->ml_stat_grps.scsi_att_intr_port_group,
1369 &lacl->ml_stat_grps.stat_group);
1370}