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