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