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