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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/*******************************************************************************
2 * Filename: target_core_stat.c
3 *
4 * Modern ConfigFS group context specific statistics based on original
5 * target_core_mib.c code
6 *
7 * (c) Copyright 2006-2013 Datera, Inc.
8 *
9 * Nicholas A. Bellinger <nab@linux-iscsi.org>
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
24 *
25 ******************************************************************************/
26
27#include <linux/kernel.h>
28#include <linux/module.h>
29#include <linux/delay.h>
30#include <linux/timer.h>
31#include <linux/string.h>
32#include <linux/utsname.h>
33#include <linux/proc_fs.h>
34#include <linux/seq_file.h>
35#include <linux/configfs.h>
36#include <scsi/scsi.h>
37#include <scsi/scsi_device.h>
38#include <scsi/scsi_host.h>
39
40#include <target/target_core_base.h>
41#include <target/target_core_backend.h>
42#include <target/target_core_fabric.h>
43#include <target/target_core_configfs.h>
44#include <target/configfs_macros.h>
45
46#include "target_core_internal.h"
47
48#ifndef INITIAL_JIFFIES
49#define INITIAL_JIFFIES ((unsigned long)(unsigned int) (-300*HZ))
50#endif
51
52#define NONE "None"
53#define ISPRINT(a) ((a >= ' ') && (a <= '~'))
54
55#define SCSI_LU_INDEX 1
56#define LU_COUNT 1
57
58/*
59 * SCSI Device Table
60 */
61
62CONFIGFS_EATTR_STRUCT(target_stat_scsi_dev, se_dev_stat_grps);
63#define DEV_STAT_SCSI_DEV_ATTR(_name, _mode) \
64static struct target_stat_scsi_dev_attribute \
65 target_stat_scsi_dev_##_name = \
66 __CONFIGFS_EATTR(_name, _mode, \
67 target_stat_scsi_dev_show_attr_##_name, \
68 target_stat_scsi_dev_store_attr_##_name);
69
70#define DEV_STAT_SCSI_DEV_ATTR_RO(_name) \
71static struct target_stat_scsi_dev_attribute \
72 target_stat_scsi_dev_##_name = \
73 __CONFIGFS_EATTR_RO(_name, \
74 target_stat_scsi_dev_show_attr_##_name);
75
76static ssize_t target_stat_scsi_dev_show_attr_inst(
77 struct se_dev_stat_grps *sgrps, char *page)
78{
79 struct se_device *dev =
80 container_of(sgrps, struct se_device, dev_stat_grps);
81 struct se_hba *hba = dev->se_hba;
82
83 return snprintf(page, PAGE_SIZE, "%u\n", hba->hba_index);
84}
85DEV_STAT_SCSI_DEV_ATTR_RO(inst);
86
87static ssize_t target_stat_scsi_dev_show_attr_indx(
88 struct se_dev_stat_grps *sgrps, char *page)
89{
90 struct se_device *dev =
91 container_of(sgrps, struct se_device, dev_stat_grps);
92
93 return snprintf(page, PAGE_SIZE, "%u\n", dev->dev_index);
94}
95DEV_STAT_SCSI_DEV_ATTR_RO(indx);
96
97static ssize_t target_stat_scsi_dev_show_attr_role(
98 struct se_dev_stat_grps *sgrps, char *page)
99{
100 return snprintf(page, PAGE_SIZE, "Target\n");
101}
102DEV_STAT_SCSI_DEV_ATTR_RO(role);
103
104static ssize_t target_stat_scsi_dev_show_attr_ports(
105 struct se_dev_stat_grps *sgrps, char *page)
106{
107 struct se_device *dev =
108 container_of(sgrps, struct se_device, dev_stat_grps);
109
110 return snprintf(page, PAGE_SIZE, "%u\n", dev->dev_port_count);
111}
112DEV_STAT_SCSI_DEV_ATTR_RO(ports);
113
114CONFIGFS_EATTR_OPS(target_stat_scsi_dev, se_dev_stat_grps, scsi_dev_group);
115
116static struct configfs_attribute *target_stat_scsi_dev_attrs[] = {
117 &target_stat_scsi_dev_inst.attr,
118 &target_stat_scsi_dev_indx.attr,
119 &target_stat_scsi_dev_role.attr,
120 &target_stat_scsi_dev_ports.attr,
121 NULL,
122};
123
124static struct configfs_item_operations target_stat_scsi_dev_attrib_ops = {
125 .show_attribute = target_stat_scsi_dev_attr_show,
126 .store_attribute = target_stat_scsi_dev_attr_store,
127};
128
129static struct config_item_type target_stat_scsi_dev_cit = {
130 .ct_item_ops = &target_stat_scsi_dev_attrib_ops,
131 .ct_attrs = target_stat_scsi_dev_attrs,
132 .ct_owner = THIS_MODULE,
133};
134
135/*
136 * SCSI Target Device Table
137 */
138
139CONFIGFS_EATTR_STRUCT(target_stat_scsi_tgt_dev, se_dev_stat_grps);
140#define DEV_STAT_SCSI_TGT_DEV_ATTR(_name, _mode) \
141static struct target_stat_scsi_tgt_dev_attribute \
142 target_stat_scsi_tgt_dev_##_name = \
143 __CONFIGFS_EATTR(_name, _mode, \
144 target_stat_scsi_tgt_dev_show_attr_##_name, \
145 target_stat_scsi_tgt_dev_store_attr_##_name);
146
147#define DEV_STAT_SCSI_TGT_DEV_ATTR_RO(_name) \
148static struct target_stat_scsi_tgt_dev_attribute \
149 target_stat_scsi_tgt_dev_##_name = \
150 __CONFIGFS_EATTR_RO(_name, \
151 target_stat_scsi_tgt_dev_show_attr_##_name);
152
153static ssize_t target_stat_scsi_tgt_dev_show_attr_inst(
154 struct se_dev_stat_grps *sgrps, char *page)
155{
156 struct se_device *dev =
157 container_of(sgrps, struct se_device, dev_stat_grps);
158 struct se_hba *hba = dev->se_hba;
159
160 return snprintf(page, PAGE_SIZE, "%u\n", hba->hba_index);
161}
162DEV_STAT_SCSI_TGT_DEV_ATTR_RO(inst);
163
164static ssize_t target_stat_scsi_tgt_dev_show_attr_indx(
165 struct se_dev_stat_grps *sgrps, char *page)
166{
167 struct se_device *dev =
168 container_of(sgrps, struct se_device, dev_stat_grps);
169
170 return snprintf(page, PAGE_SIZE, "%u\n", dev->dev_index);
171}
172DEV_STAT_SCSI_TGT_DEV_ATTR_RO(indx);
173
174static ssize_t target_stat_scsi_tgt_dev_show_attr_num_lus(
175 struct se_dev_stat_grps *sgrps, char *page)
176{
177 return snprintf(page, PAGE_SIZE, "%u\n", LU_COUNT);
178}
179DEV_STAT_SCSI_TGT_DEV_ATTR_RO(num_lus);
180
181static ssize_t target_stat_scsi_tgt_dev_show_attr_status(
182 struct se_dev_stat_grps *sgrps, char *page)
183{
184 struct se_device *dev =
185 container_of(sgrps, struct se_device, dev_stat_grps);
186
187 if (dev->export_count)
188 return snprintf(page, PAGE_SIZE, "activated");
189 else
190 return snprintf(page, PAGE_SIZE, "deactivated");
191}
192DEV_STAT_SCSI_TGT_DEV_ATTR_RO(status);
193
194static ssize_t target_stat_scsi_tgt_dev_show_attr_non_access_lus(
195 struct se_dev_stat_grps *sgrps, char *page)
196{
197 struct se_device *dev =
198 container_of(sgrps, struct se_device, dev_stat_grps);
199 int non_accessible_lus;
200
201 if (dev->export_count)
202 non_accessible_lus = 0;
203 else
204 non_accessible_lus = 1;
205
206 return snprintf(page, PAGE_SIZE, "%u\n", non_accessible_lus);
207}
208DEV_STAT_SCSI_TGT_DEV_ATTR_RO(non_access_lus);
209
210static ssize_t target_stat_scsi_tgt_dev_show_attr_resets(
211 struct se_dev_stat_grps *sgrps, char *page)
212{
213 struct se_device *dev =
214 container_of(sgrps, struct se_device, dev_stat_grps);
215
216 return snprintf(page, PAGE_SIZE, "%lu\n",
217 atomic_long_read(&dev->num_resets));
218}
219DEV_STAT_SCSI_TGT_DEV_ATTR_RO(resets);
220
221
222CONFIGFS_EATTR_OPS(target_stat_scsi_tgt_dev, se_dev_stat_grps, scsi_tgt_dev_group);
223
224static struct configfs_attribute *target_stat_scsi_tgt_dev_attrs[] = {
225 &target_stat_scsi_tgt_dev_inst.attr,
226 &target_stat_scsi_tgt_dev_indx.attr,
227 &target_stat_scsi_tgt_dev_num_lus.attr,
228 &target_stat_scsi_tgt_dev_status.attr,
229 &target_stat_scsi_tgt_dev_non_access_lus.attr,
230 &target_stat_scsi_tgt_dev_resets.attr,
231 NULL,
232};
233
234static struct configfs_item_operations target_stat_scsi_tgt_dev_attrib_ops = {
235 .show_attribute = target_stat_scsi_tgt_dev_attr_show,
236 .store_attribute = target_stat_scsi_tgt_dev_attr_store,
237};
238
239static struct config_item_type target_stat_scsi_tgt_dev_cit = {
240 .ct_item_ops = &target_stat_scsi_tgt_dev_attrib_ops,
241 .ct_attrs = target_stat_scsi_tgt_dev_attrs,
242 .ct_owner = THIS_MODULE,
243};
244
245/*
246 * SCSI Logical Unit Table
247 */
248
249CONFIGFS_EATTR_STRUCT(target_stat_scsi_lu, se_dev_stat_grps);
250#define DEV_STAT_SCSI_LU_ATTR(_name, _mode) \
251static struct target_stat_scsi_lu_attribute target_stat_scsi_lu_##_name = \
252 __CONFIGFS_EATTR(_name, _mode, \
253 target_stat_scsi_lu_show_attr_##_name, \
254 target_stat_scsi_lu_store_attr_##_name);
255
256#define DEV_STAT_SCSI_LU_ATTR_RO(_name) \
257static struct target_stat_scsi_lu_attribute target_stat_scsi_lu_##_name = \
258 __CONFIGFS_EATTR_RO(_name, \
259 target_stat_scsi_lu_show_attr_##_name);
260
261static ssize_t target_stat_scsi_lu_show_attr_inst(
262 struct se_dev_stat_grps *sgrps, char *page)
263{
264 struct se_device *dev =
265 container_of(sgrps, struct se_device, dev_stat_grps);
266 struct se_hba *hba = dev->se_hba;
267
268 return snprintf(page, PAGE_SIZE, "%u\n", hba->hba_index);
269}
270DEV_STAT_SCSI_LU_ATTR_RO(inst);
271
272static ssize_t target_stat_scsi_lu_show_attr_dev(
273 struct se_dev_stat_grps *sgrps, char *page)
274{
275 struct se_device *dev =
276 container_of(sgrps, struct se_device, dev_stat_grps);
277
278 return snprintf(page, PAGE_SIZE, "%u\n", dev->dev_index);
279}
280DEV_STAT_SCSI_LU_ATTR_RO(dev);
281
282static ssize_t target_stat_scsi_lu_show_attr_indx(
283 struct se_dev_stat_grps *sgrps, char *page)
284{
285 return snprintf(page, PAGE_SIZE, "%u\n", SCSI_LU_INDEX);
286}
287DEV_STAT_SCSI_LU_ATTR_RO(indx);
288
289static ssize_t target_stat_scsi_lu_show_attr_lun(
290 struct se_dev_stat_grps *sgrps, char *page)
291{
292 /* FIXME: scsiLuDefaultLun */
293 return snprintf(page, PAGE_SIZE, "%llu\n", (unsigned long long)0);
294}
295DEV_STAT_SCSI_LU_ATTR_RO(lun);
296
297static ssize_t target_stat_scsi_lu_show_attr_lu_name(
298 struct se_dev_stat_grps *sgrps, char *page)
299{
300 struct se_device *dev =
301 container_of(sgrps, struct se_device, dev_stat_grps);
302
303 /* scsiLuWwnName */
304 return snprintf(page, PAGE_SIZE, "%s\n",
305 (strlen(dev->t10_wwn.unit_serial)) ?
306 dev->t10_wwn.unit_serial : "None");
307}
308DEV_STAT_SCSI_LU_ATTR_RO(lu_name);
309
310static ssize_t target_stat_scsi_lu_show_attr_vend(
311 struct se_dev_stat_grps *sgrps, char *page)
312{
313 struct se_device *dev =
314 container_of(sgrps, struct se_device, dev_stat_grps);
315 int i;
316 char str[sizeof(dev->t10_wwn.vendor)+1];
317
318 /* scsiLuVendorId */
319 for (i = 0; i < sizeof(dev->t10_wwn.vendor); i++)
320 str[i] = ISPRINT(dev->t10_wwn.vendor[i]) ?
321 dev->t10_wwn.vendor[i] : ' ';
322 str[i] = '\0';
323 return snprintf(page, PAGE_SIZE, "%s\n", str);
324}
325DEV_STAT_SCSI_LU_ATTR_RO(vend);
326
327static ssize_t target_stat_scsi_lu_show_attr_prod(
328 struct se_dev_stat_grps *sgrps, char *page)
329{
330 struct se_device *dev =
331 container_of(sgrps, struct se_device, dev_stat_grps);
332 int i;
333 char str[sizeof(dev->t10_wwn.model)+1];
334
335 /* scsiLuProductId */
336 for (i = 0; i < sizeof(dev->t10_wwn.vendor); i++)
337 str[i] = ISPRINT(dev->t10_wwn.model[i]) ?
338 dev->t10_wwn.model[i] : ' ';
339 str[i] = '\0';
340 return snprintf(page, PAGE_SIZE, "%s\n", str);
341}
342DEV_STAT_SCSI_LU_ATTR_RO(prod);
343
344static ssize_t target_stat_scsi_lu_show_attr_rev(
345 struct se_dev_stat_grps *sgrps, char *page)
346{
347 struct se_device *dev =
348 container_of(sgrps, struct se_device, dev_stat_grps);
349 int i;
350 char str[sizeof(dev->t10_wwn.revision)+1];
351
352 /* scsiLuRevisionId */
353 for (i = 0; i < sizeof(dev->t10_wwn.revision); i++)
354 str[i] = ISPRINT(dev->t10_wwn.revision[i]) ?
355 dev->t10_wwn.revision[i] : ' ';
356 str[i] = '\0';
357 return snprintf(page, PAGE_SIZE, "%s\n", str);
358}
359DEV_STAT_SCSI_LU_ATTR_RO(rev);
360
361static ssize_t target_stat_scsi_lu_show_attr_dev_type(
362 struct se_dev_stat_grps *sgrps, char *page)
363{
364 struct se_device *dev =
365 container_of(sgrps, struct se_device, dev_stat_grps);
366
367 /* scsiLuPeripheralType */
368 return snprintf(page, PAGE_SIZE, "%u\n",
369 dev->transport->get_device_type(dev));
370}
371DEV_STAT_SCSI_LU_ATTR_RO(dev_type);
372
373static ssize_t target_stat_scsi_lu_show_attr_status(
374 struct se_dev_stat_grps *sgrps, char *page)
375{
376 struct se_device *dev =
377 container_of(sgrps, struct se_device, dev_stat_grps);
378
379 /* scsiLuStatus */
380 return snprintf(page, PAGE_SIZE, "%s\n",
381 (dev->export_count) ? "available" : "notavailable");
382}
383DEV_STAT_SCSI_LU_ATTR_RO(status);
384
385static ssize_t target_stat_scsi_lu_show_attr_state_bit(
386 struct se_dev_stat_grps *sgrps, char *page)
387{
388 /* scsiLuState */
389 return snprintf(page, PAGE_SIZE, "exposed\n");
390}
391DEV_STAT_SCSI_LU_ATTR_RO(state_bit);
392
393static ssize_t target_stat_scsi_lu_show_attr_num_cmds(
394 struct se_dev_stat_grps *sgrps, char *page)
395{
396 struct se_device *dev =
397 container_of(sgrps, struct se_device, dev_stat_grps);
398
399 /* scsiLuNumCommands */
400 return snprintf(page, PAGE_SIZE, "%lu\n",
401 atomic_long_read(&dev->num_cmds));
402}
403DEV_STAT_SCSI_LU_ATTR_RO(num_cmds);
404
405static ssize_t target_stat_scsi_lu_show_attr_read_mbytes(
406 struct se_dev_stat_grps *sgrps, char *page)
407{
408 struct se_device *dev =
409 container_of(sgrps, struct se_device, dev_stat_grps);
410
411 /* scsiLuReadMegaBytes */
412 return snprintf(page, PAGE_SIZE, "%lu\n",
413 atomic_long_read(&dev->read_bytes) >> 20);
414}
415DEV_STAT_SCSI_LU_ATTR_RO(read_mbytes);
416
417static ssize_t target_stat_scsi_lu_show_attr_write_mbytes(
418 struct se_dev_stat_grps *sgrps, char *page)
419{
420 struct se_device *dev =
421 container_of(sgrps, struct se_device, dev_stat_grps);
422
423 /* scsiLuWrittenMegaBytes */
424 return snprintf(page, PAGE_SIZE, "%lu\n",
425 atomic_long_read(&dev->write_bytes) >> 20);
426}
427DEV_STAT_SCSI_LU_ATTR_RO(write_mbytes);
428
429static ssize_t target_stat_scsi_lu_show_attr_resets(
430 struct se_dev_stat_grps *sgrps, char *page)
431{
432 struct se_device *dev =
433 container_of(sgrps, struct se_device, dev_stat_grps);
434
435 /* scsiLuInResets */
436 return snprintf(page, PAGE_SIZE, "%lu\n", atomic_long_read(&dev->num_resets));
437}
438DEV_STAT_SCSI_LU_ATTR_RO(resets);
439
440static ssize_t target_stat_scsi_lu_show_attr_full_stat(
441 struct se_dev_stat_grps *sgrps, char *page)
442{
443 /* FIXME: scsiLuOutTaskSetFullStatus */
444 return snprintf(page, PAGE_SIZE, "%u\n", 0);
445}
446DEV_STAT_SCSI_LU_ATTR_RO(full_stat);
447
448static ssize_t target_stat_scsi_lu_show_attr_hs_num_cmds(
449 struct se_dev_stat_grps *sgrps, char *page)
450{
451 /* FIXME: scsiLuHSInCommands */
452 return snprintf(page, PAGE_SIZE, "%u\n", 0);
453}
454DEV_STAT_SCSI_LU_ATTR_RO(hs_num_cmds);
455
456static ssize_t target_stat_scsi_lu_show_attr_creation_time(
457 struct se_dev_stat_grps *sgrps, char *page)
458{
459 struct se_device *dev =
460 container_of(sgrps, struct se_device, dev_stat_grps);
461
462 /* scsiLuCreationTime */
463 return snprintf(page, PAGE_SIZE, "%u\n", (u32)(((u32)dev->creation_time -
464 INITIAL_JIFFIES) * 100 / HZ));
465}
466DEV_STAT_SCSI_LU_ATTR_RO(creation_time);
467
468CONFIGFS_EATTR_OPS(target_stat_scsi_lu, se_dev_stat_grps, scsi_lu_group);
469
470static struct configfs_attribute *target_stat_scsi_lu_attrs[] = {
471 &target_stat_scsi_lu_inst.attr,
472 &target_stat_scsi_lu_dev.attr,
473 &target_stat_scsi_lu_indx.attr,
474 &target_stat_scsi_lu_lun.attr,
475 &target_stat_scsi_lu_lu_name.attr,
476 &target_stat_scsi_lu_vend.attr,
477 &target_stat_scsi_lu_prod.attr,
478 &target_stat_scsi_lu_rev.attr,
479 &target_stat_scsi_lu_dev_type.attr,
480 &target_stat_scsi_lu_status.attr,
481 &target_stat_scsi_lu_state_bit.attr,
482 &target_stat_scsi_lu_num_cmds.attr,
483 &target_stat_scsi_lu_read_mbytes.attr,
484 &target_stat_scsi_lu_write_mbytes.attr,
485 &target_stat_scsi_lu_resets.attr,
486 &target_stat_scsi_lu_full_stat.attr,
487 &target_stat_scsi_lu_hs_num_cmds.attr,
488 &target_stat_scsi_lu_creation_time.attr,
489 NULL,
490};
491
492static struct configfs_item_operations target_stat_scsi_lu_attrib_ops = {
493 .show_attribute = target_stat_scsi_lu_attr_show,
494 .store_attribute = target_stat_scsi_lu_attr_store,
495};
496
497static struct config_item_type target_stat_scsi_lu_cit = {
498 .ct_item_ops = &target_stat_scsi_lu_attrib_ops,
499 .ct_attrs = target_stat_scsi_lu_attrs,
500 .ct_owner = THIS_MODULE,
501};
502
503/*
504 * Called from target_core_configfs.c:target_core_make_subdev() to setup
505 * the target statistics groups + configfs CITs located in target_core_stat.c
506 */
507void target_stat_setup_dev_default_groups(struct se_device *dev)
508{
509 struct config_group *dev_stat_grp = &dev->dev_stat_grps.stat_group;
510
511 config_group_init_type_name(&dev->dev_stat_grps.scsi_dev_group,
512 "scsi_dev", &target_stat_scsi_dev_cit);
513 config_group_init_type_name(&dev->dev_stat_grps.scsi_tgt_dev_group,
514 "scsi_tgt_dev", &target_stat_scsi_tgt_dev_cit);
515 config_group_init_type_name(&dev->dev_stat_grps.scsi_lu_group,
516 "scsi_lu", &target_stat_scsi_lu_cit);
517
518 dev_stat_grp->default_groups[0] = &dev->dev_stat_grps.scsi_dev_group;
519 dev_stat_grp->default_groups[1] = &dev->dev_stat_grps.scsi_tgt_dev_group;
520 dev_stat_grp->default_groups[2] = &dev->dev_stat_grps.scsi_lu_group;
521 dev_stat_grp->default_groups[3] = NULL;
522}
523
524/*
525 * SCSI Port Table
526 */
527
528CONFIGFS_EATTR_STRUCT(target_stat_scsi_port, se_port_stat_grps);
529#define DEV_STAT_SCSI_PORT_ATTR(_name, _mode) \
530static struct target_stat_scsi_port_attribute \
531 target_stat_scsi_port_##_name = \
532 __CONFIGFS_EATTR(_name, _mode, \
533 target_stat_scsi_port_show_attr_##_name, \
534 target_stat_scsi_port_store_attr_##_name);
535
536#define DEV_STAT_SCSI_PORT_ATTR_RO(_name) \
537static struct target_stat_scsi_port_attribute \
538 target_stat_scsi_port_##_name = \
539 __CONFIGFS_EATTR_RO(_name, \
540 target_stat_scsi_port_show_attr_##_name);
541
542static ssize_t target_stat_scsi_port_show_attr_inst(
543 struct se_port_stat_grps *pgrps, char *page)
544{
545 struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
546 struct se_port *sep;
547 struct se_device *dev = lun->lun_se_dev;
548 struct se_hba *hba;
549 ssize_t ret;
550
551 spin_lock(&lun->lun_sep_lock);
552 sep = lun->lun_sep;
553 if (!sep) {
554 spin_unlock(&lun->lun_sep_lock);
555 return -ENODEV;
556 }
557 hba = dev->se_hba;
558 ret = snprintf(page, PAGE_SIZE, "%u\n", hba->hba_index);
559 spin_unlock(&lun->lun_sep_lock);
560 return ret;
561}
562DEV_STAT_SCSI_PORT_ATTR_RO(inst);
563
564static ssize_t target_stat_scsi_port_show_attr_dev(
565 struct se_port_stat_grps *pgrps, char *page)
566{
567 struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
568 struct se_port *sep;
569 struct se_device *dev = lun->lun_se_dev;
570 ssize_t ret;
571
572 spin_lock(&lun->lun_sep_lock);
573 sep = lun->lun_sep;
574 if (!sep) {
575 spin_unlock(&lun->lun_sep_lock);
576 return -ENODEV;
577 }
578 ret = snprintf(page, PAGE_SIZE, "%u\n", dev->dev_index);
579 spin_unlock(&lun->lun_sep_lock);
580 return ret;
581}
582DEV_STAT_SCSI_PORT_ATTR_RO(dev);
583
584static ssize_t target_stat_scsi_port_show_attr_indx(
585 struct se_port_stat_grps *pgrps, char *page)
586{
587 struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
588 struct se_port *sep;
589 ssize_t ret;
590
591 spin_lock(&lun->lun_sep_lock);
592 sep = lun->lun_sep;
593 if (!sep) {
594 spin_unlock(&lun->lun_sep_lock);
595 return -ENODEV;
596 }
597 ret = snprintf(page, PAGE_SIZE, "%u\n", sep->sep_index);
598 spin_unlock(&lun->lun_sep_lock);
599 return ret;
600}
601DEV_STAT_SCSI_PORT_ATTR_RO(indx);
602
603static ssize_t target_stat_scsi_port_show_attr_role(
604 struct se_port_stat_grps *pgrps, char *page)
605{
606 struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
607 struct se_device *dev = lun->lun_se_dev;
608 struct se_port *sep;
609 ssize_t ret;
610
611 if (!dev)
612 return -ENODEV;
613
614 spin_lock(&lun->lun_sep_lock);
615 sep = lun->lun_sep;
616 if (!sep) {
617 spin_unlock(&lun->lun_sep_lock);
618 return -ENODEV;
619 }
620 ret = snprintf(page, PAGE_SIZE, "%s%u\n", "Device", dev->dev_index);
621 spin_unlock(&lun->lun_sep_lock);
622 return ret;
623}
624DEV_STAT_SCSI_PORT_ATTR_RO(role);
625
626static ssize_t target_stat_scsi_port_show_attr_busy_count(
627 struct se_port_stat_grps *pgrps, char *page)
628{
629 struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
630 struct se_port *sep;
631 ssize_t ret;
632
633 spin_lock(&lun->lun_sep_lock);
634 sep = lun->lun_sep;
635 if (!sep) {
636 spin_unlock(&lun->lun_sep_lock);
637 return -ENODEV;
638 }
639 /* FIXME: scsiPortBusyStatuses */
640 ret = snprintf(page, PAGE_SIZE, "%u\n", 0);
641 spin_unlock(&lun->lun_sep_lock);
642 return ret;
643}
644DEV_STAT_SCSI_PORT_ATTR_RO(busy_count);
645
646CONFIGFS_EATTR_OPS(target_stat_scsi_port, se_port_stat_grps, scsi_port_group);
647
648static struct configfs_attribute *target_stat_scsi_port_attrs[] = {
649 &target_stat_scsi_port_inst.attr,
650 &target_stat_scsi_port_dev.attr,
651 &target_stat_scsi_port_indx.attr,
652 &target_stat_scsi_port_role.attr,
653 &target_stat_scsi_port_busy_count.attr,
654 NULL,
655};
656
657static struct configfs_item_operations target_stat_scsi_port_attrib_ops = {
658 .show_attribute = target_stat_scsi_port_attr_show,
659 .store_attribute = target_stat_scsi_port_attr_store,
660};
661
662static struct config_item_type target_stat_scsi_port_cit = {
663 .ct_item_ops = &target_stat_scsi_port_attrib_ops,
664 .ct_attrs = target_stat_scsi_port_attrs,
665 .ct_owner = THIS_MODULE,
666};
667
668/*
669 * SCSI Target Port Table
670 */
671CONFIGFS_EATTR_STRUCT(target_stat_scsi_tgt_port, se_port_stat_grps);
672#define DEV_STAT_SCSI_TGT_PORT_ATTR(_name, _mode) \
673static struct target_stat_scsi_tgt_port_attribute \
674 target_stat_scsi_tgt_port_##_name = \
675 __CONFIGFS_EATTR(_name, _mode, \
676 target_stat_scsi_tgt_port_show_attr_##_name, \
677 target_stat_scsi_tgt_port_store_attr_##_name);
678
679#define DEV_STAT_SCSI_TGT_PORT_ATTR_RO(_name) \
680static struct target_stat_scsi_tgt_port_attribute \
681 target_stat_scsi_tgt_port_##_name = \
682 __CONFIGFS_EATTR_RO(_name, \
683 target_stat_scsi_tgt_port_show_attr_##_name);
684
685static ssize_t target_stat_scsi_tgt_port_show_attr_inst(
686 struct se_port_stat_grps *pgrps, char *page)
687{
688 struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
689 struct se_device *dev = lun->lun_se_dev;
690 struct se_port *sep;
691 struct se_hba *hba;
692 ssize_t ret;
693
694 spin_lock(&lun->lun_sep_lock);
695 sep = lun->lun_sep;
696 if (!sep) {
697 spin_unlock(&lun->lun_sep_lock);
698 return -ENODEV;
699 }
700 hba = dev->se_hba;
701 ret = snprintf(page, PAGE_SIZE, "%u\n", hba->hba_index);
702 spin_unlock(&lun->lun_sep_lock);
703 return ret;
704}
705DEV_STAT_SCSI_TGT_PORT_ATTR_RO(inst);
706
707static ssize_t target_stat_scsi_tgt_port_show_attr_dev(
708 struct se_port_stat_grps *pgrps, char *page)
709{
710 struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
711 struct se_device *dev = lun->lun_se_dev;
712 struct se_port *sep;
713 ssize_t ret;
714
715 spin_lock(&lun->lun_sep_lock);
716 sep = lun->lun_sep;
717 if (!sep) {
718 spin_unlock(&lun->lun_sep_lock);
719 return -ENODEV;
720 }
721 ret = snprintf(page, PAGE_SIZE, "%u\n", dev->dev_index);
722 spin_unlock(&lun->lun_sep_lock);
723 return ret;
724}
725DEV_STAT_SCSI_TGT_PORT_ATTR_RO(dev);
726
727static ssize_t target_stat_scsi_tgt_port_show_attr_indx(
728 struct se_port_stat_grps *pgrps, char *page)
729{
730 struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
731 struct se_port *sep;
732 ssize_t ret;
733
734 spin_lock(&lun->lun_sep_lock);
735 sep = lun->lun_sep;
736 if (!sep) {
737 spin_unlock(&lun->lun_sep_lock);
738 return -ENODEV;
739 }
740 ret = snprintf(page, PAGE_SIZE, "%u\n", sep->sep_index);
741 spin_unlock(&lun->lun_sep_lock);
742 return ret;
743}
744DEV_STAT_SCSI_TGT_PORT_ATTR_RO(indx);
745
746static ssize_t target_stat_scsi_tgt_port_show_attr_name(
747 struct se_port_stat_grps *pgrps, char *page)
748{
749 struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
750 struct se_port *sep;
751 struct se_portal_group *tpg;
752 ssize_t ret;
753
754 spin_lock(&lun->lun_sep_lock);
755 sep = lun->lun_sep;
756 if (!sep) {
757 spin_unlock(&lun->lun_sep_lock);
758 return -ENODEV;
759 }
760 tpg = sep->sep_tpg;
761
762 ret = snprintf(page, PAGE_SIZE, "%sPort#%u\n",
763 tpg->se_tpg_tfo->get_fabric_name(), sep->sep_index);
764 spin_unlock(&lun->lun_sep_lock);
765 return ret;
766}
767DEV_STAT_SCSI_TGT_PORT_ATTR_RO(name);
768
769static ssize_t target_stat_scsi_tgt_port_show_attr_port_index(
770 struct se_port_stat_grps *pgrps, char *page)
771{
772 struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
773 struct se_port *sep;
774 struct se_portal_group *tpg;
775 ssize_t ret;
776
777 spin_lock(&lun->lun_sep_lock);
778 sep = lun->lun_sep;
779 if (!sep) {
780 spin_unlock(&lun->lun_sep_lock);
781 return -ENODEV;
782 }
783 tpg = sep->sep_tpg;
784
785 ret = snprintf(page, PAGE_SIZE, "%s%s%d\n",
786 tpg->se_tpg_tfo->tpg_get_wwn(tpg), "+t+",
787 tpg->se_tpg_tfo->tpg_get_tag(tpg));
788 spin_unlock(&lun->lun_sep_lock);
789 return ret;
790}
791DEV_STAT_SCSI_TGT_PORT_ATTR_RO(port_index);
792
793static ssize_t target_stat_scsi_tgt_port_show_attr_in_cmds(
794 struct se_port_stat_grps *pgrps, char *page)
795{
796 struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
797 struct se_port *sep;
798 ssize_t ret;
799
800 spin_lock(&lun->lun_sep_lock);
801 sep = lun->lun_sep;
802 if (!sep) {
803 spin_unlock(&lun->lun_sep_lock);
804 return -ENODEV;
805 }
806
807 ret = snprintf(page, PAGE_SIZE, "%llu\n", sep->sep_stats.cmd_pdus);
808 spin_unlock(&lun->lun_sep_lock);
809 return ret;
810}
811DEV_STAT_SCSI_TGT_PORT_ATTR_RO(in_cmds);
812
813static ssize_t target_stat_scsi_tgt_port_show_attr_write_mbytes(
814 struct se_port_stat_grps *pgrps, char *page)
815{
816 struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
817 struct se_port *sep;
818 ssize_t ret;
819
820 spin_lock(&lun->lun_sep_lock);
821 sep = lun->lun_sep;
822 if (!sep) {
823 spin_unlock(&lun->lun_sep_lock);
824 return -ENODEV;
825 }
826
827 ret = snprintf(page, PAGE_SIZE, "%u\n",
828 (u32)(sep->sep_stats.rx_data_octets >> 20));
829 spin_unlock(&lun->lun_sep_lock);
830 return ret;
831}
832DEV_STAT_SCSI_TGT_PORT_ATTR_RO(write_mbytes);
833
834static ssize_t target_stat_scsi_tgt_port_show_attr_read_mbytes(
835 struct se_port_stat_grps *pgrps, char *page)
836{
837 struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
838 struct se_port *sep;
839 ssize_t ret;
840
841 spin_lock(&lun->lun_sep_lock);
842 sep = lun->lun_sep;
843 if (!sep) {
844 spin_unlock(&lun->lun_sep_lock);
845 return -ENODEV;
846 }
847
848 ret = snprintf(page, PAGE_SIZE, "%u\n",
849 (u32)(sep->sep_stats.tx_data_octets >> 20));
850 spin_unlock(&lun->lun_sep_lock);
851 return ret;
852}
853DEV_STAT_SCSI_TGT_PORT_ATTR_RO(read_mbytes);
854
855static ssize_t target_stat_scsi_tgt_port_show_attr_hs_in_cmds(
856 struct se_port_stat_grps *pgrps, char *page)
857{
858 struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
859 struct se_port *sep;
860 ssize_t ret;
861
862 spin_lock(&lun->lun_sep_lock);
863 sep = lun->lun_sep;
864 if (!sep) {
865 spin_unlock(&lun->lun_sep_lock);
866 return -ENODEV;
867 }
868
869 /* FIXME: scsiTgtPortHsInCommands */
870 ret = snprintf(page, PAGE_SIZE, "%u\n", 0);
871 spin_unlock(&lun->lun_sep_lock);
872 return ret;
873}
874DEV_STAT_SCSI_TGT_PORT_ATTR_RO(hs_in_cmds);
875
876CONFIGFS_EATTR_OPS(target_stat_scsi_tgt_port, se_port_stat_grps,
877 scsi_tgt_port_group);
878
879static struct configfs_attribute *target_stat_scsi_tgt_port_attrs[] = {
880 &target_stat_scsi_tgt_port_inst.attr,
881 &target_stat_scsi_tgt_port_dev.attr,
882 &target_stat_scsi_tgt_port_indx.attr,
883 &target_stat_scsi_tgt_port_name.attr,
884 &target_stat_scsi_tgt_port_port_index.attr,
885 &target_stat_scsi_tgt_port_in_cmds.attr,
886 &target_stat_scsi_tgt_port_write_mbytes.attr,
887 &target_stat_scsi_tgt_port_read_mbytes.attr,
888 &target_stat_scsi_tgt_port_hs_in_cmds.attr,
889 NULL,
890};
891
892static struct configfs_item_operations target_stat_scsi_tgt_port_attrib_ops = {
893 .show_attribute = target_stat_scsi_tgt_port_attr_show,
894 .store_attribute = target_stat_scsi_tgt_port_attr_store,
895};
896
897static struct config_item_type target_stat_scsi_tgt_port_cit = {
898 .ct_item_ops = &target_stat_scsi_tgt_port_attrib_ops,
899 .ct_attrs = target_stat_scsi_tgt_port_attrs,
900 .ct_owner = THIS_MODULE,
901};
902
903/*
904 * SCSI Transport Table
905o */
906
907CONFIGFS_EATTR_STRUCT(target_stat_scsi_transport, se_port_stat_grps);
908#define DEV_STAT_SCSI_TRANSPORT_ATTR(_name, _mode) \
909static struct target_stat_scsi_transport_attribute \
910 target_stat_scsi_transport_##_name = \
911 __CONFIGFS_EATTR(_name, _mode, \
912 target_stat_scsi_transport_show_attr_##_name, \
913 target_stat_scsi_transport_store_attr_##_name);
914
915#define DEV_STAT_SCSI_TRANSPORT_ATTR_RO(_name) \
916static struct target_stat_scsi_transport_attribute \
917 target_stat_scsi_transport_##_name = \
918 __CONFIGFS_EATTR_RO(_name, \
919 target_stat_scsi_transport_show_attr_##_name);
920
921static ssize_t target_stat_scsi_transport_show_attr_inst(
922 struct se_port_stat_grps *pgrps, char *page)
923{
924 struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
925 struct se_device *dev = lun->lun_se_dev;
926 struct se_port *sep;
927 struct se_hba *hba;
928 ssize_t ret;
929
930 spin_lock(&lun->lun_sep_lock);
931 sep = lun->lun_sep;
932 if (!sep) {
933 spin_unlock(&lun->lun_sep_lock);
934 return -ENODEV;
935 }
936
937 hba = dev->se_hba;
938 ret = snprintf(page, PAGE_SIZE, "%u\n", hba->hba_index);
939 spin_unlock(&lun->lun_sep_lock);
940 return ret;
941}
942DEV_STAT_SCSI_TRANSPORT_ATTR_RO(inst);
943
944static ssize_t target_stat_scsi_transport_show_attr_device(
945 struct se_port_stat_grps *pgrps, char *page)
946{
947 struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
948 struct se_port *sep;
949 struct se_portal_group *tpg;
950 ssize_t ret;
951
952 spin_lock(&lun->lun_sep_lock);
953 sep = lun->lun_sep;
954 if (!sep) {
955 spin_unlock(&lun->lun_sep_lock);
956 return -ENODEV;
957 }
958 tpg = sep->sep_tpg;
959 /* scsiTransportType */
960 ret = snprintf(page, PAGE_SIZE, "scsiTransport%s\n",
961 tpg->se_tpg_tfo->get_fabric_name());
962 spin_unlock(&lun->lun_sep_lock);
963 return ret;
964}
965DEV_STAT_SCSI_TRANSPORT_ATTR_RO(device);
966
967static ssize_t target_stat_scsi_transport_show_attr_indx(
968 struct se_port_stat_grps *pgrps, char *page)
969{
970 struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
971 struct se_port *sep;
972 struct se_portal_group *tpg;
973 ssize_t ret;
974
975 spin_lock(&lun->lun_sep_lock);
976 sep = lun->lun_sep;
977 if (!sep) {
978 spin_unlock(&lun->lun_sep_lock);
979 return -ENODEV;
980 }
981 tpg = sep->sep_tpg;
982 ret = snprintf(page, PAGE_SIZE, "%u\n",
983 tpg->se_tpg_tfo->tpg_get_inst_index(tpg));
984 spin_unlock(&lun->lun_sep_lock);
985 return ret;
986}
987DEV_STAT_SCSI_TRANSPORT_ATTR_RO(indx);
988
989static ssize_t target_stat_scsi_transport_show_attr_dev_name(
990 struct se_port_stat_grps *pgrps, char *page)
991{
992 struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
993 struct se_device *dev = lun->lun_se_dev;
994 struct se_port *sep;
995 struct se_portal_group *tpg;
996 struct t10_wwn *wwn;
997 ssize_t ret;
998
999 spin_lock(&lun->lun_sep_lock);
1000 sep = lun->lun_sep;
1001 if (!sep) {
1002 spin_unlock(&lun->lun_sep_lock);
1003 return -ENODEV;
1004 }
1005 tpg = sep->sep_tpg;
1006 wwn = &dev->t10_wwn;
1007 /* scsiTransportDevName */
1008 ret = snprintf(page, PAGE_SIZE, "%s+%s\n",
1009 tpg->se_tpg_tfo->tpg_get_wwn(tpg),
1010 (strlen(wwn->unit_serial)) ? wwn->unit_serial :
1011 wwn->vendor);
1012 spin_unlock(&lun->lun_sep_lock);
1013 return ret;
1014}
1015DEV_STAT_SCSI_TRANSPORT_ATTR_RO(dev_name);
1016
1017CONFIGFS_EATTR_OPS(target_stat_scsi_transport, se_port_stat_grps,
1018 scsi_transport_group);
1019
1020static struct configfs_attribute *target_stat_scsi_transport_attrs[] = {
1021 &target_stat_scsi_transport_inst.attr,
1022 &target_stat_scsi_transport_device.attr,
1023 &target_stat_scsi_transport_indx.attr,
1024 &target_stat_scsi_transport_dev_name.attr,
1025 NULL,
1026};
1027
1028static struct configfs_item_operations target_stat_scsi_transport_attrib_ops = {
1029 .show_attribute = target_stat_scsi_transport_attr_show,
1030 .store_attribute = target_stat_scsi_transport_attr_store,
1031};
1032
1033static struct config_item_type target_stat_scsi_transport_cit = {
1034 .ct_item_ops = &target_stat_scsi_transport_attrib_ops,
1035 .ct_attrs = target_stat_scsi_transport_attrs,
1036 .ct_owner = THIS_MODULE,
1037};
1038
1039/*
1040 * Called from target_core_fabric_configfs.c:target_fabric_make_lun() to setup
1041 * the target port statistics groups + configfs CITs located in target_core_stat.c
1042 */
1043void target_stat_setup_port_default_groups(struct se_lun *lun)
1044{
1045 struct config_group *port_stat_grp = &lun->port_stat_grps.stat_group;
1046
1047 config_group_init_type_name(&lun->port_stat_grps.scsi_port_group,
1048 "scsi_port", &target_stat_scsi_port_cit);
1049 config_group_init_type_name(&lun->port_stat_grps.scsi_tgt_port_group,
1050 "scsi_tgt_port", &target_stat_scsi_tgt_port_cit);
1051 config_group_init_type_name(&lun->port_stat_grps.scsi_transport_group,
1052 "scsi_transport", &target_stat_scsi_transport_cit);
1053
1054 port_stat_grp->default_groups[0] = &lun->port_stat_grps.scsi_port_group;
1055 port_stat_grp->default_groups[1] = &lun->port_stat_grps.scsi_tgt_port_group;
1056 port_stat_grp->default_groups[2] = &lun->port_stat_grps.scsi_transport_group;
1057 port_stat_grp->default_groups[3] = NULL;
1058}
1059
1060/*
1061 * SCSI Authorized Initiator Table
1062 */
1063
1064CONFIGFS_EATTR_STRUCT(target_stat_scsi_auth_intr, se_ml_stat_grps);
1065#define DEV_STAT_SCSI_AUTH_INTR_ATTR(_name, _mode) \
1066static struct target_stat_scsi_auth_intr_attribute \
1067 target_stat_scsi_auth_intr_##_name = \
1068 __CONFIGFS_EATTR(_name, _mode, \
1069 target_stat_scsi_auth_intr_show_attr_##_name, \
1070 target_stat_scsi_auth_intr_store_attr_##_name);
1071
1072#define DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(_name) \
1073static struct target_stat_scsi_auth_intr_attribute \
1074 target_stat_scsi_auth_intr_##_name = \
1075 __CONFIGFS_EATTR_RO(_name, \
1076 target_stat_scsi_auth_intr_show_attr_##_name);
1077
1078static ssize_t target_stat_scsi_auth_intr_show_attr_inst(
1079 struct se_ml_stat_grps *lgrps, char *page)
1080{
1081 struct se_lun_acl *lacl = container_of(lgrps,
1082 struct se_lun_acl, ml_stat_grps);
1083 struct se_node_acl *nacl = lacl->se_lun_nacl;
1084 struct se_dev_entry *deve;
1085 struct se_portal_group *tpg;
1086 ssize_t ret;
1087
1088 spin_lock_irq(&nacl->device_list_lock);
1089 deve = nacl->device_list[lacl->mapped_lun];
1090 if (!deve->se_lun || !deve->se_lun_acl) {
1091 spin_unlock_irq(&nacl->device_list_lock);
1092 return -ENODEV;
1093 }
1094 tpg = nacl->se_tpg;
1095 /* scsiInstIndex */
1096 ret = snprintf(page, PAGE_SIZE, "%u\n",
1097 tpg->se_tpg_tfo->tpg_get_inst_index(tpg));
1098 spin_unlock_irq(&nacl->device_list_lock);
1099 return ret;
1100}
1101DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(inst);
1102
1103static ssize_t target_stat_scsi_auth_intr_show_attr_dev(
1104 struct se_ml_stat_grps *lgrps, char *page)
1105{
1106 struct se_lun_acl *lacl = container_of(lgrps,
1107 struct se_lun_acl, ml_stat_grps);
1108 struct se_node_acl *nacl = lacl->se_lun_nacl;
1109 struct se_dev_entry *deve;
1110 struct se_lun *lun;
1111 ssize_t ret;
1112
1113 spin_lock_irq(&nacl->device_list_lock);
1114 deve = nacl->device_list[lacl->mapped_lun];
1115 if (!deve->se_lun || !deve->se_lun_acl) {
1116 spin_unlock_irq(&nacl->device_list_lock);
1117 return -ENODEV;
1118 }
1119 lun = deve->se_lun;
1120 /* scsiDeviceIndex */
1121 ret = snprintf(page, PAGE_SIZE, "%u\n", lun->lun_se_dev->dev_index);
1122 spin_unlock_irq(&nacl->device_list_lock);
1123 return ret;
1124}
1125DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(dev);
1126
1127static ssize_t target_stat_scsi_auth_intr_show_attr_port(
1128 struct se_ml_stat_grps *lgrps, char *page)
1129{
1130 struct se_lun_acl *lacl = container_of(lgrps,
1131 struct se_lun_acl, ml_stat_grps);
1132 struct se_node_acl *nacl = lacl->se_lun_nacl;
1133 struct se_dev_entry *deve;
1134 struct se_portal_group *tpg;
1135 ssize_t ret;
1136
1137 spin_lock_irq(&nacl->device_list_lock);
1138 deve = nacl->device_list[lacl->mapped_lun];
1139 if (!deve->se_lun || !deve->se_lun_acl) {
1140 spin_unlock_irq(&nacl->device_list_lock);
1141 return -ENODEV;
1142 }
1143 tpg = nacl->se_tpg;
1144 /* scsiAuthIntrTgtPortIndex */
1145 ret = snprintf(page, PAGE_SIZE, "%u\n", tpg->se_tpg_tfo->tpg_get_tag(tpg));
1146 spin_unlock_irq(&nacl->device_list_lock);
1147 return ret;
1148}
1149DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(port);
1150
1151static ssize_t target_stat_scsi_auth_intr_show_attr_indx(
1152 struct se_ml_stat_grps *lgrps, char *page)
1153{
1154 struct se_lun_acl *lacl = container_of(lgrps,
1155 struct se_lun_acl, ml_stat_grps);
1156 struct se_node_acl *nacl = lacl->se_lun_nacl;
1157 struct se_dev_entry *deve;
1158 ssize_t ret;
1159
1160 spin_lock_irq(&nacl->device_list_lock);
1161 deve = nacl->device_list[lacl->mapped_lun];
1162 if (!deve->se_lun || !deve->se_lun_acl) {
1163 spin_unlock_irq(&nacl->device_list_lock);
1164 return -ENODEV;
1165 }
1166 /* scsiAuthIntrIndex */
1167 ret = snprintf(page, PAGE_SIZE, "%u\n", nacl->acl_index);
1168 spin_unlock_irq(&nacl->device_list_lock);
1169 return ret;
1170}
1171DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(indx);
1172
1173static ssize_t target_stat_scsi_auth_intr_show_attr_dev_or_port(
1174 struct se_ml_stat_grps *lgrps, char *page)
1175{
1176 struct se_lun_acl *lacl = container_of(lgrps,
1177 struct se_lun_acl, ml_stat_grps);
1178 struct se_node_acl *nacl = lacl->se_lun_nacl;
1179 struct se_dev_entry *deve;
1180 ssize_t ret;
1181
1182 spin_lock_irq(&nacl->device_list_lock);
1183 deve = nacl->device_list[lacl->mapped_lun];
1184 if (!deve->se_lun || !deve->se_lun_acl) {
1185 spin_unlock_irq(&nacl->device_list_lock);
1186 return -ENODEV;
1187 }
1188 /* scsiAuthIntrDevOrPort */
1189 ret = snprintf(page, PAGE_SIZE, "%u\n", 1);
1190 spin_unlock_irq(&nacl->device_list_lock);
1191 return ret;
1192}
1193DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(dev_or_port);
1194
1195static ssize_t target_stat_scsi_auth_intr_show_attr_intr_name(
1196 struct se_ml_stat_grps *lgrps, char *page)
1197{
1198 struct se_lun_acl *lacl = container_of(lgrps,
1199 struct se_lun_acl, ml_stat_grps);
1200 struct se_node_acl *nacl = lacl->se_lun_nacl;
1201 struct se_dev_entry *deve;
1202 ssize_t ret;
1203
1204 spin_lock_irq(&nacl->device_list_lock);
1205 deve = nacl->device_list[lacl->mapped_lun];
1206 if (!deve->se_lun || !deve->se_lun_acl) {
1207 spin_unlock_irq(&nacl->device_list_lock);
1208 return -ENODEV;
1209 }
1210 /* scsiAuthIntrName */
1211 ret = snprintf(page, PAGE_SIZE, "%s\n", nacl->initiatorname);
1212 spin_unlock_irq(&nacl->device_list_lock);
1213 return ret;
1214}
1215DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(intr_name);
1216
1217static ssize_t target_stat_scsi_auth_intr_show_attr_map_indx(
1218 struct se_ml_stat_grps *lgrps, char *page)
1219{
1220 struct se_lun_acl *lacl = container_of(lgrps,
1221 struct se_lun_acl, ml_stat_grps);
1222 struct se_node_acl *nacl = lacl->se_lun_nacl;
1223 struct se_dev_entry *deve;
1224 ssize_t ret;
1225
1226 spin_lock_irq(&nacl->device_list_lock);
1227 deve = nacl->device_list[lacl->mapped_lun];
1228 if (!deve->se_lun || !deve->se_lun_acl) {
1229 spin_unlock_irq(&nacl->device_list_lock);
1230 return -ENODEV;
1231 }
1232 /* FIXME: scsiAuthIntrLunMapIndex */
1233 ret = snprintf(page, PAGE_SIZE, "%u\n", 0);
1234 spin_unlock_irq(&nacl->device_list_lock);
1235 return ret;
1236}
1237DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(map_indx);
1238
1239static ssize_t target_stat_scsi_auth_intr_show_attr_att_count(
1240 struct se_ml_stat_grps *lgrps, char *page)
1241{
1242 struct se_lun_acl *lacl = container_of(lgrps,
1243 struct se_lun_acl, ml_stat_grps);
1244 struct se_node_acl *nacl = lacl->se_lun_nacl;
1245 struct se_dev_entry *deve;
1246 ssize_t ret;
1247
1248 spin_lock_irq(&nacl->device_list_lock);
1249 deve = nacl->device_list[lacl->mapped_lun];
1250 if (!deve->se_lun || !deve->se_lun_acl) {
1251 spin_unlock_irq(&nacl->device_list_lock);
1252 return -ENODEV;
1253 }
1254 /* scsiAuthIntrAttachedTimes */
1255 ret = snprintf(page, PAGE_SIZE, "%u\n", deve->attach_count);
1256 spin_unlock_irq(&nacl->device_list_lock);
1257 return ret;
1258}
1259DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(att_count);
1260
1261static ssize_t target_stat_scsi_auth_intr_show_attr_num_cmds(
1262 struct se_ml_stat_grps *lgrps, char *page)
1263{
1264 struct se_lun_acl *lacl = container_of(lgrps,
1265 struct se_lun_acl, ml_stat_grps);
1266 struct se_node_acl *nacl = lacl->se_lun_nacl;
1267 struct se_dev_entry *deve;
1268 ssize_t ret;
1269
1270 spin_lock_irq(&nacl->device_list_lock);
1271 deve = nacl->device_list[lacl->mapped_lun];
1272 if (!deve->se_lun || !deve->se_lun_acl) {
1273 spin_unlock_irq(&nacl->device_list_lock);
1274 return -ENODEV;
1275 }
1276 /* scsiAuthIntrOutCommands */
1277 ret = snprintf(page, PAGE_SIZE, "%u\n", deve->total_cmds);
1278 spin_unlock_irq(&nacl->device_list_lock);
1279 return ret;
1280}
1281DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(num_cmds);
1282
1283static ssize_t target_stat_scsi_auth_intr_show_attr_read_mbytes(
1284 struct se_ml_stat_grps *lgrps, char *page)
1285{
1286 struct se_lun_acl *lacl = container_of(lgrps,
1287 struct se_lun_acl, ml_stat_grps);
1288 struct se_node_acl *nacl = lacl->se_lun_nacl;
1289 struct se_dev_entry *deve;
1290 ssize_t ret;
1291
1292 spin_lock_irq(&nacl->device_list_lock);
1293 deve = nacl->device_list[lacl->mapped_lun];
1294 if (!deve->se_lun || !deve->se_lun_acl) {
1295 spin_unlock_irq(&nacl->device_list_lock);
1296 return -ENODEV;
1297 }
1298 /* scsiAuthIntrReadMegaBytes */
1299 ret = snprintf(page, PAGE_SIZE, "%u\n", (u32)(deve->read_bytes >> 20));
1300 spin_unlock_irq(&nacl->device_list_lock);
1301 return ret;
1302}
1303DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(read_mbytes);
1304
1305static ssize_t target_stat_scsi_auth_intr_show_attr_write_mbytes(
1306 struct se_ml_stat_grps *lgrps, char *page)
1307{
1308 struct se_lun_acl *lacl = container_of(lgrps,
1309 struct se_lun_acl, ml_stat_grps);
1310 struct se_node_acl *nacl = lacl->se_lun_nacl;
1311 struct se_dev_entry *deve;
1312 ssize_t ret;
1313
1314 spin_lock_irq(&nacl->device_list_lock);
1315 deve = nacl->device_list[lacl->mapped_lun];
1316 if (!deve->se_lun || !deve->se_lun_acl) {
1317 spin_unlock_irq(&nacl->device_list_lock);
1318 return -ENODEV;
1319 }
1320 /* scsiAuthIntrWrittenMegaBytes */
1321 ret = snprintf(page, PAGE_SIZE, "%u\n", (u32)(deve->write_bytes >> 20));
1322 spin_unlock_irq(&nacl->device_list_lock);
1323 return ret;
1324}
1325DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(write_mbytes);
1326
1327static ssize_t target_stat_scsi_auth_intr_show_attr_hs_num_cmds(
1328 struct se_ml_stat_grps *lgrps, char *page)
1329{
1330 struct se_lun_acl *lacl = container_of(lgrps,
1331 struct se_lun_acl, ml_stat_grps);
1332 struct se_node_acl *nacl = lacl->se_lun_nacl;
1333 struct se_dev_entry *deve;
1334 ssize_t ret;
1335
1336 spin_lock_irq(&nacl->device_list_lock);
1337 deve = nacl->device_list[lacl->mapped_lun];
1338 if (!deve->se_lun || !deve->se_lun_acl) {
1339 spin_unlock_irq(&nacl->device_list_lock);
1340 return -ENODEV;
1341 }
1342 /* FIXME: scsiAuthIntrHSOutCommands */
1343 ret = snprintf(page, PAGE_SIZE, "%u\n", 0);
1344 spin_unlock_irq(&nacl->device_list_lock);
1345 return ret;
1346}
1347DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(hs_num_cmds);
1348
1349static ssize_t target_stat_scsi_auth_intr_show_attr_creation_time(
1350 struct se_ml_stat_grps *lgrps, char *page)
1351{
1352 struct se_lun_acl *lacl = container_of(lgrps,
1353 struct se_lun_acl, ml_stat_grps);
1354 struct se_node_acl *nacl = lacl->se_lun_nacl;
1355 struct se_dev_entry *deve;
1356 ssize_t ret;
1357
1358 spin_lock_irq(&nacl->device_list_lock);
1359 deve = nacl->device_list[lacl->mapped_lun];
1360 if (!deve->se_lun || !deve->se_lun_acl) {
1361 spin_unlock_irq(&nacl->device_list_lock);
1362 return -ENODEV;
1363 }
1364 /* scsiAuthIntrLastCreation */
1365 ret = snprintf(page, PAGE_SIZE, "%u\n", (u32)(((u32)deve->creation_time -
1366 INITIAL_JIFFIES) * 100 / HZ));
1367 spin_unlock_irq(&nacl->device_list_lock);
1368 return ret;
1369}
1370DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(creation_time);
1371
1372static ssize_t target_stat_scsi_auth_intr_show_attr_row_status(
1373 struct se_ml_stat_grps *lgrps, char *page)
1374{
1375 struct se_lun_acl *lacl = container_of(lgrps,
1376 struct se_lun_acl, ml_stat_grps);
1377 struct se_node_acl *nacl = lacl->se_lun_nacl;
1378 struct se_dev_entry *deve;
1379 ssize_t ret;
1380
1381 spin_lock_irq(&nacl->device_list_lock);
1382 deve = nacl->device_list[lacl->mapped_lun];
1383 if (!deve->se_lun || !deve->se_lun_acl) {
1384 spin_unlock_irq(&nacl->device_list_lock);
1385 return -ENODEV;
1386 }
1387 /* FIXME: scsiAuthIntrRowStatus */
1388 ret = snprintf(page, PAGE_SIZE, "Ready\n");
1389 spin_unlock_irq(&nacl->device_list_lock);
1390 return ret;
1391}
1392DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(row_status);
1393
1394CONFIGFS_EATTR_OPS(target_stat_scsi_auth_intr, se_ml_stat_grps,
1395 scsi_auth_intr_group);
1396
1397static struct configfs_attribute *target_stat_scsi_auth_intr_attrs[] = {
1398 &target_stat_scsi_auth_intr_inst.attr,
1399 &target_stat_scsi_auth_intr_dev.attr,
1400 &target_stat_scsi_auth_intr_port.attr,
1401 &target_stat_scsi_auth_intr_indx.attr,
1402 &target_stat_scsi_auth_intr_dev_or_port.attr,
1403 &target_stat_scsi_auth_intr_intr_name.attr,
1404 &target_stat_scsi_auth_intr_map_indx.attr,
1405 &target_stat_scsi_auth_intr_att_count.attr,
1406 &target_stat_scsi_auth_intr_num_cmds.attr,
1407 &target_stat_scsi_auth_intr_read_mbytes.attr,
1408 &target_stat_scsi_auth_intr_write_mbytes.attr,
1409 &target_stat_scsi_auth_intr_hs_num_cmds.attr,
1410 &target_stat_scsi_auth_intr_creation_time.attr,
1411 &target_stat_scsi_auth_intr_row_status.attr,
1412 NULL,
1413};
1414
1415static struct configfs_item_operations target_stat_scsi_auth_intr_attrib_ops = {
1416 .show_attribute = target_stat_scsi_auth_intr_attr_show,
1417 .store_attribute = target_stat_scsi_auth_intr_attr_store,
1418};
1419
1420static struct config_item_type target_stat_scsi_auth_intr_cit = {
1421 .ct_item_ops = &target_stat_scsi_auth_intr_attrib_ops,
1422 .ct_attrs = target_stat_scsi_auth_intr_attrs,
1423 .ct_owner = THIS_MODULE,
1424};
1425
1426/*
1427 * SCSI Attached Initiator Port Table
1428 */
1429
1430CONFIGFS_EATTR_STRUCT(target_stat_scsi_att_intr_port, se_ml_stat_grps);
1431#define DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR(_name, _mode) \
1432static struct target_stat_scsi_att_intr_port_attribute \
1433 target_stat_scsi_att_intr_port_##_name = \
1434 __CONFIGFS_EATTR(_name, _mode, \
1435 target_stat_scsi_att_intr_port_show_attr_##_name, \
1436 target_stat_scsi_att_intr_port_store_attr_##_name);
1437
1438#define DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR_RO(_name) \
1439static struct target_stat_scsi_att_intr_port_attribute \
1440 target_stat_scsi_att_intr_port_##_name = \
1441 __CONFIGFS_EATTR_RO(_name, \
1442 target_stat_scsi_att_intr_port_show_attr_##_name);
1443
1444static ssize_t target_stat_scsi_att_intr_port_show_attr_inst(
1445 struct se_ml_stat_grps *lgrps, char *page)
1446{
1447 struct se_lun_acl *lacl = container_of(lgrps,
1448 struct se_lun_acl, ml_stat_grps);
1449 struct se_node_acl *nacl = lacl->se_lun_nacl;
1450 struct se_dev_entry *deve;
1451 struct se_portal_group *tpg;
1452 ssize_t ret;
1453
1454 spin_lock_irq(&nacl->device_list_lock);
1455 deve = nacl->device_list[lacl->mapped_lun];
1456 if (!deve->se_lun || !deve->se_lun_acl) {
1457 spin_unlock_irq(&nacl->device_list_lock);
1458 return -ENODEV;
1459 }
1460 tpg = nacl->se_tpg;
1461 /* scsiInstIndex */
1462 ret = snprintf(page, PAGE_SIZE, "%u\n",
1463 tpg->se_tpg_tfo->tpg_get_inst_index(tpg));
1464 spin_unlock_irq(&nacl->device_list_lock);
1465 return ret;
1466}
1467DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR_RO(inst);
1468
1469static ssize_t target_stat_scsi_att_intr_port_show_attr_dev(
1470 struct se_ml_stat_grps *lgrps, char *page)
1471{
1472 struct se_lun_acl *lacl = container_of(lgrps,
1473 struct se_lun_acl, ml_stat_grps);
1474 struct se_node_acl *nacl = lacl->se_lun_nacl;
1475 struct se_dev_entry *deve;
1476 struct se_lun *lun;
1477 ssize_t ret;
1478
1479 spin_lock_irq(&nacl->device_list_lock);
1480 deve = nacl->device_list[lacl->mapped_lun];
1481 if (!deve->se_lun || !deve->se_lun_acl) {
1482 spin_unlock_irq(&nacl->device_list_lock);
1483 return -ENODEV;
1484 }
1485 lun = deve->se_lun;
1486 /* scsiDeviceIndex */
1487 ret = snprintf(page, PAGE_SIZE, "%u\n", lun->lun_se_dev->dev_index);
1488 spin_unlock_irq(&nacl->device_list_lock);
1489 return ret;
1490}
1491DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR_RO(dev);
1492
1493static ssize_t target_stat_scsi_att_intr_port_show_attr_port(
1494 struct se_ml_stat_grps *lgrps, char *page)
1495{
1496 struct se_lun_acl *lacl = container_of(lgrps,
1497 struct se_lun_acl, ml_stat_grps);
1498 struct se_node_acl *nacl = lacl->se_lun_nacl;
1499 struct se_dev_entry *deve;
1500 struct se_portal_group *tpg;
1501 ssize_t ret;
1502
1503 spin_lock_irq(&nacl->device_list_lock);
1504 deve = nacl->device_list[lacl->mapped_lun];
1505 if (!deve->se_lun || !deve->se_lun_acl) {
1506 spin_unlock_irq(&nacl->device_list_lock);
1507 return -ENODEV;
1508 }
1509 tpg = nacl->se_tpg;
1510 /* scsiPortIndex */
1511 ret = snprintf(page, PAGE_SIZE, "%u\n", tpg->se_tpg_tfo->tpg_get_tag(tpg));
1512 spin_unlock_irq(&nacl->device_list_lock);
1513 return ret;
1514}
1515DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR_RO(port);
1516
1517static ssize_t target_stat_scsi_att_intr_port_show_attr_indx(
1518 struct se_ml_stat_grps *lgrps, char *page)
1519{
1520 struct se_lun_acl *lacl = container_of(lgrps,
1521 struct se_lun_acl, ml_stat_grps);
1522 struct se_node_acl *nacl = lacl->se_lun_nacl;
1523 struct se_session *se_sess;
1524 struct se_portal_group *tpg;
1525 ssize_t ret;
1526
1527 spin_lock_irq(&nacl->nacl_sess_lock);
1528 se_sess = nacl->nacl_sess;
1529 if (!se_sess) {
1530 spin_unlock_irq(&nacl->nacl_sess_lock);
1531 return -ENODEV;
1532 }
1533
1534 tpg = nacl->se_tpg;
1535 /* scsiAttIntrPortIndex */
1536 ret = snprintf(page, PAGE_SIZE, "%u\n",
1537 tpg->se_tpg_tfo->sess_get_index(se_sess));
1538 spin_unlock_irq(&nacl->nacl_sess_lock);
1539 return ret;
1540}
1541DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR_RO(indx);
1542
1543static ssize_t target_stat_scsi_att_intr_port_show_attr_port_auth_indx(
1544 struct se_ml_stat_grps *lgrps, char *page)
1545{
1546 struct se_lun_acl *lacl = container_of(lgrps,
1547 struct se_lun_acl, ml_stat_grps);
1548 struct se_node_acl *nacl = lacl->se_lun_nacl;
1549 struct se_dev_entry *deve;
1550 ssize_t ret;
1551
1552 spin_lock_irq(&nacl->device_list_lock);
1553 deve = nacl->device_list[lacl->mapped_lun];
1554 if (!deve->se_lun || !deve->se_lun_acl) {
1555 spin_unlock_irq(&nacl->device_list_lock);
1556 return -ENODEV;
1557 }
1558 /* scsiAttIntrPortAuthIntrIdx */
1559 ret = snprintf(page, PAGE_SIZE, "%u\n", nacl->acl_index);
1560 spin_unlock_irq(&nacl->device_list_lock);
1561 return ret;
1562}
1563DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR_RO(port_auth_indx);
1564
1565static ssize_t target_stat_scsi_att_intr_port_show_attr_port_ident(
1566 struct se_ml_stat_grps *lgrps, char *page)
1567{
1568 struct se_lun_acl *lacl = container_of(lgrps,
1569 struct se_lun_acl, ml_stat_grps);
1570 struct se_node_acl *nacl = lacl->se_lun_nacl;
1571 struct se_session *se_sess;
1572 struct se_portal_group *tpg;
1573 ssize_t ret;
1574 unsigned char buf[64];
1575
1576 spin_lock_irq(&nacl->nacl_sess_lock);
1577 se_sess = nacl->nacl_sess;
1578 if (!se_sess) {
1579 spin_unlock_irq(&nacl->nacl_sess_lock);
1580 return -ENODEV;
1581 }
1582
1583 tpg = nacl->se_tpg;
1584 /* scsiAttIntrPortName+scsiAttIntrPortIdentifier */
1585 memset(buf, 0, 64);
1586 if (tpg->se_tpg_tfo->sess_get_initiator_sid != NULL)
1587 tpg->se_tpg_tfo->sess_get_initiator_sid(se_sess, buf, 64);
1588
1589 ret = snprintf(page, PAGE_SIZE, "%s+i+%s\n", nacl->initiatorname, buf);
1590 spin_unlock_irq(&nacl->nacl_sess_lock);
1591 return ret;
1592}
1593DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR_RO(port_ident);
1594
1595CONFIGFS_EATTR_OPS(target_stat_scsi_att_intr_port, se_ml_stat_grps,
1596 scsi_att_intr_port_group);
1597
1598static struct configfs_attribute *target_stat_scsi_ath_intr_port_attrs[] = {
1599 &target_stat_scsi_att_intr_port_inst.attr,
1600 &target_stat_scsi_att_intr_port_dev.attr,
1601 &target_stat_scsi_att_intr_port_port.attr,
1602 &target_stat_scsi_att_intr_port_indx.attr,
1603 &target_stat_scsi_att_intr_port_port_auth_indx.attr,
1604 &target_stat_scsi_att_intr_port_port_ident.attr,
1605 NULL,
1606};
1607
1608static struct configfs_item_operations target_stat_scsi_att_intr_port_attrib_ops = {
1609 .show_attribute = target_stat_scsi_att_intr_port_attr_show,
1610 .store_attribute = target_stat_scsi_att_intr_port_attr_store,
1611};
1612
1613static struct config_item_type target_stat_scsi_att_intr_port_cit = {
1614 .ct_item_ops = &target_stat_scsi_att_intr_port_attrib_ops,
1615 .ct_attrs = target_stat_scsi_ath_intr_port_attrs,
1616 .ct_owner = THIS_MODULE,
1617};
1618
1619/*
1620 * Called from target_core_fabric_configfs.c:target_fabric_make_mappedlun() to setup
1621 * the target MappedLUN statistics groups + configfs CITs located in target_core_stat.c
1622 */
1623void target_stat_setup_mappedlun_default_groups(struct se_lun_acl *lacl)
1624{
1625 struct config_group *ml_stat_grp = &lacl->ml_stat_grps.stat_group;
1626
1627 config_group_init_type_name(&lacl->ml_stat_grps.scsi_auth_intr_group,
1628 "scsi_auth_intr", &target_stat_scsi_auth_intr_cit);
1629 config_group_init_type_name(&lacl->ml_stat_grps.scsi_att_intr_port_group,
1630 "scsi_att_intr_port", &target_stat_scsi_att_intr_port_cit);
1631
1632 ml_stat_grp->default_groups[0] = &lacl->ml_stat_grps.scsi_auth_intr_group;
1633 ml_stat_grp->default_groups[1] = &lacl->ml_stat_grps.scsi_att_intr_port_group;
1634 ml_stat_grp->default_groups[2] = NULL;
1635}