target/tcm_fc: fix the lockdep warning due to inconsistent lock state
[linux-2.6.git] / drivers / target / target_core_stat.c
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 <generated/utsrelease.h>
36 #include <linux/utsname.h>
37 #include <linux/proc_fs.h>
38 #include <linux/seq_file.h>
39 #include <linux/blkdev.h>
40 #include <linux/configfs.h>
41 #include <scsi/scsi.h>
42 #include <scsi/scsi_device.h>
43 #include <scsi/scsi_host.h>
44
45 #include <target/target_core_base.h>
46 #include <target/target_core_backend.h>
47 #include <target/target_core_fabric.h>
48 #include <target/target_core_configfs.h>
49 #include <target/configfs_macros.h>
50
51 #include "target_core_internal.h"
52
53 #ifndef INITIAL_JIFFIES
54 #define INITIAL_JIFFIES ((unsigned long)(unsigned int) (-300*HZ))
55 #endif
56
57 #define NONE            "None"
58 #define ISPRINT(a)   ((a >= ' ') && (a <= '~'))
59
60 #define SCSI_LU_INDEX                   1
61 #define LU_COUNT                        1
62
63 /*
64  * SCSI Device Table
65  */
66
67 CONFIGFS_EATTR_STRUCT(target_stat_scsi_dev, se_dev_stat_grps);
68 #define DEV_STAT_SCSI_DEV_ATTR(_name, _mode)                            \
69 static struct target_stat_scsi_dev_attribute                            \
70                         target_stat_scsi_dev_##_name =                  \
71         __CONFIGFS_EATTR(_name, _mode,                                  \
72         target_stat_scsi_dev_show_attr_##_name,                         \
73         target_stat_scsi_dev_store_attr_##_name);
74
75 #define DEV_STAT_SCSI_DEV_ATTR_RO(_name)                                \
76 static struct target_stat_scsi_dev_attribute                            \
77                         target_stat_scsi_dev_##_name =                  \
78         __CONFIGFS_EATTR_RO(_name,                                      \
79         target_stat_scsi_dev_show_attr_##_name);
80
81 static ssize_t target_stat_scsi_dev_show_attr_inst(
82         struct se_dev_stat_grps *sgrps, char *page)
83 {
84         struct se_subsystem_dev *se_subdev = container_of(sgrps,
85                         struct se_subsystem_dev, dev_stat_grps);
86         struct se_hba *hba = se_subdev->se_dev_hba;
87         struct se_device *dev = se_subdev->se_dev_ptr;
88
89         if (!dev)
90                 return -ENODEV;
91
92         return snprintf(page, PAGE_SIZE, "%u\n", hba->hba_index);
93 }
94 DEV_STAT_SCSI_DEV_ATTR_RO(inst);
95
96 static ssize_t target_stat_scsi_dev_show_attr_indx(
97         struct se_dev_stat_grps *sgrps, char *page)
98 {
99         struct se_subsystem_dev *se_subdev = container_of(sgrps,
100                         struct se_subsystem_dev, dev_stat_grps);
101         struct se_device *dev = se_subdev->se_dev_ptr;
102
103         if (!dev)
104                 return -ENODEV;
105
106         return snprintf(page, PAGE_SIZE, "%u\n", dev->dev_index);
107 }
108 DEV_STAT_SCSI_DEV_ATTR_RO(indx);
109
110 static ssize_t target_stat_scsi_dev_show_attr_role(
111         struct se_dev_stat_grps *sgrps, char *page)
112 {
113         struct se_subsystem_dev *se_subdev = container_of(sgrps,
114                         struct se_subsystem_dev, dev_stat_grps);
115         struct se_device *dev = se_subdev->se_dev_ptr;
116
117         if (!dev)
118                 return -ENODEV;
119
120         return snprintf(page, PAGE_SIZE, "Target\n");
121 }
122 DEV_STAT_SCSI_DEV_ATTR_RO(role);
123
124 static ssize_t target_stat_scsi_dev_show_attr_ports(
125         struct se_dev_stat_grps *sgrps, char *page)
126 {
127         struct se_subsystem_dev *se_subdev = container_of(sgrps,
128                         struct se_subsystem_dev, dev_stat_grps);
129         struct se_device *dev = se_subdev->se_dev_ptr;
130
131         if (!dev)
132                 return -ENODEV;
133
134         return snprintf(page, PAGE_SIZE, "%u\n", dev->dev_port_count);
135 }
136 DEV_STAT_SCSI_DEV_ATTR_RO(ports);
137
138 CONFIGFS_EATTR_OPS(target_stat_scsi_dev, se_dev_stat_grps, scsi_dev_group);
139
140 static struct configfs_attribute *target_stat_scsi_dev_attrs[] = {
141         &target_stat_scsi_dev_inst.attr,
142         &target_stat_scsi_dev_indx.attr,
143         &target_stat_scsi_dev_role.attr,
144         &target_stat_scsi_dev_ports.attr,
145         NULL,
146 };
147
148 static struct configfs_item_operations target_stat_scsi_dev_attrib_ops = {
149         .show_attribute         = target_stat_scsi_dev_attr_show,
150         .store_attribute        = target_stat_scsi_dev_attr_store,
151 };
152
153 static struct config_item_type target_stat_scsi_dev_cit = {
154         .ct_item_ops            = &target_stat_scsi_dev_attrib_ops,
155         .ct_attrs               = target_stat_scsi_dev_attrs,
156         .ct_owner               = THIS_MODULE,
157 };
158
159 /*
160  * SCSI Target Device Table
161  */
162
163 CONFIGFS_EATTR_STRUCT(target_stat_scsi_tgt_dev, se_dev_stat_grps);
164 #define DEV_STAT_SCSI_TGT_DEV_ATTR(_name, _mode)                        \
165 static struct target_stat_scsi_tgt_dev_attribute                        \
166                         target_stat_scsi_tgt_dev_##_name =              \
167         __CONFIGFS_EATTR(_name, _mode,                                  \
168         target_stat_scsi_tgt_dev_show_attr_##_name,                     \
169         target_stat_scsi_tgt_dev_store_attr_##_name);
170
171 #define DEV_STAT_SCSI_TGT_DEV_ATTR_RO(_name)                            \
172 static struct target_stat_scsi_tgt_dev_attribute                        \
173                         target_stat_scsi_tgt_dev_##_name =              \
174         __CONFIGFS_EATTR_RO(_name,                                      \
175         target_stat_scsi_tgt_dev_show_attr_##_name);
176
177 static ssize_t target_stat_scsi_tgt_dev_show_attr_inst(
178         struct se_dev_stat_grps *sgrps, char *page)
179 {
180         struct se_subsystem_dev *se_subdev = container_of(sgrps,
181                         struct se_subsystem_dev, dev_stat_grps);
182         struct se_hba *hba = se_subdev->se_dev_hba;
183         struct se_device *dev = se_subdev->se_dev_ptr;
184
185         if (!dev)
186                 return -ENODEV;
187
188         return snprintf(page, PAGE_SIZE, "%u\n", hba->hba_index);
189 }
190 DEV_STAT_SCSI_TGT_DEV_ATTR_RO(inst);
191
192 static ssize_t target_stat_scsi_tgt_dev_show_attr_indx(
193         struct se_dev_stat_grps *sgrps, char *page)
194 {
195         struct se_subsystem_dev *se_subdev = container_of(sgrps,
196                         struct se_subsystem_dev, dev_stat_grps);
197         struct se_device *dev = se_subdev->se_dev_ptr;
198
199         if (!dev)
200                 return -ENODEV;
201
202         return snprintf(page, PAGE_SIZE, "%u\n", dev->dev_index);
203 }
204 DEV_STAT_SCSI_TGT_DEV_ATTR_RO(indx);
205
206 static ssize_t target_stat_scsi_tgt_dev_show_attr_num_lus(
207         struct se_dev_stat_grps *sgrps, char *page)
208 {
209         struct se_subsystem_dev *se_subdev = container_of(sgrps,
210                         struct se_subsystem_dev, dev_stat_grps);
211         struct se_device *dev = se_subdev->se_dev_ptr;
212
213         if (!dev)
214                 return -ENODEV;
215
216         return snprintf(page, PAGE_SIZE, "%u\n", LU_COUNT);
217 }
218 DEV_STAT_SCSI_TGT_DEV_ATTR_RO(num_lus);
219
220 static ssize_t target_stat_scsi_tgt_dev_show_attr_status(
221         struct se_dev_stat_grps *sgrps, char *page)
222 {
223         struct se_subsystem_dev *se_subdev = container_of(sgrps,
224                         struct se_subsystem_dev, dev_stat_grps);
225         struct se_device *dev = se_subdev->se_dev_ptr;
226         char status[16];
227
228         if (!dev)
229                 return -ENODEV;
230
231         switch (dev->dev_status) {
232         case TRANSPORT_DEVICE_ACTIVATED:
233                 strcpy(status, "activated");
234                 break;
235         case TRANSPORT_DEVICE_DEACTIVATED:
236                 strcpy(status, "deactivated");
237                 break;
238         case TRANSPORT_DEVICE_SHUTDOWN:
239                 strcpy(status, "shutdown");
240                 break;
241         case TRANSPORT_DEVICE_OFFLINE_ACTIVATED:
242         case TRANSPORT_DEVICE_OFFLINE_DEACTIVATED:
243                 strcpy(status, "offline");
244                 break;
245         default:
246                 sprintf(status, "unknown(%d)", dev->dev_status);
247                 break;
248         }
249
250         return snprintf(page, PAGE_SIZE, "%s\n", status);
251 }
252 DEV_STAT_SCSI_TGT_DEV_ATTR_RO(status);
253
254 static ssize_t target_stat_scsi_tgt_dev_show_attr_non_access_lus(
255         struct se_dev_stat_grps *sgrps, char *page)
256 {
257         struct se_subsystem_dev *se_subdev = container_of(sgrps,
258                         struct se_subsystem_dev, dev_stat_grps);
259         struct se_device *dev = se_subdev->se_dev_ptr;
260         int non_accessible_lus;
261
262         if (!dev)
263                 return -ENODEV;
264
265         switch (dev->dev_status) {
266         case TRANSPORT_DEVICE_ACTIVATED:
267                 non_accessible_lus = 0;
268                 break;
269         case TRANSPORT_DEVICE_DEACTIVATED:
270         case TRANSPORT_DEVICE_SHUTDOWN:
271         case TRANSPORT_DEVICE_OFFLINE_ACTIVATED:
272         case TRANSPORT_DEVICE_OFFLINE_DEACTIVATED:
273         default:
274                 non_accessible_lus = 1;
275                 break;
276         }
277
278         return snprintf(page, PAGE_SIZE, "%u\n", non_accessible_lus);
279 }
280 DEV_STAT_SCSI_TGT_DEV_ATTR_RO(non_access_lus);
281
282 static ssize_t target_stat_scsi_tgt_dev_show_attr_resets(
283         struct se_dev_stat_grps *sgrps, char *page)
284 {
285         struct se_subsystem_dev *se_subdev = container_of(sgrps,
286                         struct se_subsystem_dev, dev_stat_grps);
287         struct se_device *dev = se_subdev->se_dev_ptr;
288
289         if (!dev)
290                 return -ENODEV;
291
292         return snprintf(page, PAGE_SIZE, "%u\n", dev->num_resets);
293 }
294 DEV_STAT_SCSI_TGT_DEV_ATTR_RO(resets);
295
296
297 CONFIGFS_EATTR_OPS(target_stat_scsi_tgt_dev, se_dev_stat_grps, scsi_tgt_dev_group);
298
299 static struct configfs_attribute *target_stat_scsi_tgt_dev_attrs[] = {
300         &target_stat_scsi_tgt_dev_inst.attr,
301         &target_stat_scsi_tgt_dev_indx.attr,
302         &target_stat_scsi_tgt_dev_num_lus.attr,
303         &target_stat_scsi_tgt_dev_status.attr,
304         &target_stat_scsi_tgt_dev_non_access_lus.attr,
305         &target_stat_scsi_tgt_dev_resets.attr,
306         NULL,
307 };
308
309 static struct configfs_item_operations target_stat_scsi_tgt_dev_attrib_ops = {
310         .show_attribute         = target_stat_scsi_tgt_dev_attr_show,
311         .store_attribute        = target_stat_scsi_tgt_dev_attr_store,
312 };
313
314 static struct config_item_type target_stat_scsi_tgt_dev_cit = {
315         .ct_item_ops            = &target_stat_scsi_tgt_dev_attrib_ops,
316         .ct_attrs               = target_stat_scsi_tgt_dev_attrs,
317         .ct_owner               = THIS_MODULE,
318 };
319
320 /*
321  * SCSI Logical Unit Table
322  */
323
324 CONFIGFS_EATTR_STRUCT(target_stat_scsi_lu, se_dev_stat_grps);
325 #define DEV_STAT_SCSI_LU_ATTR(_name, _mode)                             \
326 static struct target_stat_scsi_lu_attribute target_stat_scsi_lu_##_name = \
327         __CONFIGFS_EATTR(_name, _mode,                                  \
328         target_stat_scsi_lu_show_attr_##_name,                          \
329         target_stat_scsi_lu_store_attr_##_name);
330
331 #define DEV_STAT_SCSI_LU_ATTR_RO(_name)                                 \
332 static struct target_stat_scsi_lu_attribute target_stat_scsi_lu_##_name = \
333         __CONFIGFS_EATTR_RO(_name,                                      \
334         target_stat_scsi_lu_show_attr_##_name);
335
336 static ssize_t target_stat_scsi_lu_show_attr_inst(
337         struct se_dev_stat_grps *sgrps, char *page)
338 {
339         struct se_subsystem_dev *se_subdev = container_of(sgrps,
340                         struct se_subsystem_dev, dev_stat_grps);
341         struct se_hba *hba = se_subdev->se_dev_hba;
342         struct se_device *dev = se_subdev->se_dev_ptr;
343
344         if (!dev)
345                 return -ENODEV;
346
347         return snprintf(page, PAGE_SIZE, "%u\n", hba->hba_index);
348 }
349 DEV_STAT_SCSI_LU_ATTR_RO(inst);
350
351 static ssize_t target_stat_scsi_lu_show_attr_dev(
352         struct se_dev_stat_grps *sgrps, char *page)
353 {
354         struct se_subsystem_dev *se_subdev = container_of(sgrps,
355                         struct se_subsystem_dev, dev_stat_grps);
356         struct se_device *dev = se_subdev->se_dev_ptr;
357
358         if (!dev)
359                 return -ENODEV;
360
361         return snprintf(page, PAGE_SIZE, "%u\n", dev->dev_index);
362 }
363 DEV_STAT_SCSI_LU_ATTR_RO(dev);
364
365 static ssize_t target_stat_scsi_lu_show_attr_indx(
366         struct se_dev_stat_grps *sgrps, char *page)
367 {
368         struct se_subsystem_dev *se_subdev = container_of(sgrps,
369                         struct se_subsystem_dev, dev_stat_grps);
370         struct se_device *dev = se_subdev->se_dev_ptr;
371
372         if (!dev)
373                 return -ENODEV;
374
375         return snprintf(page, PAGE_SIZE, "%u\n", SCSI_LU_INDEX);
376 }
377 DEV_STAT_SCSI_LU_ATTR_RO(indx);
378
379 static ssize_t target_stat_scsi_lu_show_attr_lun(
380         struct se_dev_stat_grps *sgrps, char *page)
381 {
382         struct se_subsystem_dev *se_subdev = container_of(sgrps,
383                         struct se_subsystem_dev, dev_stat_grps);
384         struct se_device *dev = se_subdev->se_dev_ptr;
385
386         if (!dev)
387                 return -ENODEV;
388         /* FIXME: scsiLuDefaultLun */
389         return snprintf(page, PAGE_SIZE, "%llu\n", (unsigned long long)0);
390 }
391 DEV_STAT_SCSI_LU_ATTR_RO(lun);
392
393 static ssize_t target_stat_scsi_lu_show_attr_lu_name(
394         struct se_dev_stat_grps *sgrps, char *page)
395 {
396         struct se_subsystem_dev *se_subdev = container_of(sgrps,
397                         struct se_subsystem_dev, dev_stat_grps);
398         struct se_device *dev = se_subdev->se_dev_ptr;
399
400         if (!dev)
401                 return -ENODEV;
402         /* scsiLuWwnName */
403         return snprintf(page, PAGE_SIZE, "%s\n",
404                         (strlen(dev->se_sub_dev->t10_wwn.unit_serial)) ?
405                         dev->se_sub_dev->t10_wwn.unit_serial : "None");
406 }
407 DEV_STAT_SCSI_LU_ATTR_RO(lu_name);
408
409 static ssize_t target_stat_scsi_lu_show_attr_vend(
410         struct se_dev_stat_grps *sgrps, char *page)
411 {
412         struct se_subsystem_dev *se_subdev = container_of(sgrps,
413                         struct se_subsystem_dev, dev_stat_grps);
414         struct se_device *dev = se_subdev->se_dev_ptr;
415         int i;
416         char str[sizeof(dev->se_sub_dev->t10_wwn.vendor)+1];
417
418         if (!dev)
419                 return -ENODEV;
420
421         /* scsiLuVendorId */
422         for (i = 0; i < sizeof(dev->se_sub_dev->t10_wwn.vendor); i++)
423                 str[i] = ISPRINT(dev->se_sub_dev->t10_wwn.vendor[i]) ?
424                         dev->se_sub_dev->t10_wwn.vendor[i] : ' ';
425         str[i] = '\0';
426         return snprintf(page, PAGE_SIZE, "%s\n", str);
427 }
428 DEV_STAT_SCSI_LU_ATTR_RO(vend);
429
430 static ssize_t target_stat_scsi_lu_show_attr_prod(
431         struct se_dev_stat_grps *sgrps, char *page)
432 {
433         struct se_subsystem_dev *se_subdev = container_of(sgrps,
434                         struct se_subsystem_dev, dev_stat_grps);
435         struct se_device *dev = se_subdev->se_dev_ptr;
436         int i;
437         char str[sizeof(dev->se_sub_dev->t10_wwn.model)+1];
438
439         if (!dev)
440                 return -ENODEV;
441
442         /* scsiLuProductId */
443         for (i = 0; i < sizeof(dev->se_sub_dev->t10_wwn.vendor); i++)
444                 str[i] = ISPRINT(dev->se_sub_dev->t10_wwn.model[i]) ?
445                         dev->se_sub_dev->t10_wwn.model[i] : ' ';
446         str[i] = '\0';
447         return snprintf(page, PAGE_SIZE, "%s\n", str);
448 }
449 DEV_STAT_SCSI_LU_ATTR_RO(prod);
450
451 static ssize_t target_stat_scsi_lu_show_attr_rev(
452         struct se_dev_stat_grps *sgrps, char *page)
453 {
454         struct se_subsystem_dev *se_subdev = container_of(sgrps,
455                         struct se_subsystem_dev, dev_stat_grps);
456         struct se_device *dev = se_subdev->se_dev_ptr;
457         int i;
458         char str[sizeof(dev->se_sub_dev->t10_wwn.revision)+1];
459
460         if (!dev)
461                 return -ENODEV;
462
463         /* scsiLuRevisionId */
464         for (i = 0; i < sizeof(dev->se_sub_dev->t10_wwn.revision); i++)
465                 str[i] = ISPRINT(dev->se_sub_dev->t10_wwn.revision[i]) ?
466                         dev->se_sub_dev->t10_wwn.revision[i] : ' ';
467         str[i] = '\0';
468         return snprintf(page, PAGE_SIZE, "%s\n", str);
469 }
470 DEV_STAT_SCSI_LU_ATTR_RO(rev);
471
472 static ssize_t target_stat_scsi_lu_show_attr_dev_type(
473         struct se_dev_stat_grps *sgrps, char *page)
474 {
475         struct se_subsystem_dev *se_subdev = container_of(sgrps,
476                         struct se_subsystem_dev, dev_stat_grps);
477         struct se_device *dev = se_subdev->se_dev_ptr;
478
479         if (!dev)
480                 return -ENODEV;
481
482         /* scsiLuPeripheralType */
483         return snprintf(page, PAGE_SIZE, "%u\n",
484                         dev->transport->get_device_type(dev));
485 }
486 DEV_STAT_SCSI_LU_ATTR_RO(dev_type);
487
488 static ssize_t target_stat_scsi_lu_show_attr_status(
489         struct se_dev_stat_grps *sgrps, char *page)
490 {
491         struct se_subsystem_dev *se_subdev = container_of(sgrps,
492                         struct se_subsystem_dev, dev_stat_grps);
493         struct se_device *dev = se_subdev->se_dev_ptr;
494
495         if (!dev)
496                 return -ENODEV;
497
498         /* scsiLuStatus */
499         return snprintf(page, PAGE_SIZE, "%s\n",
500                 (dev->dev_status == TRANSPORT_DEVICE_ACTIVATED) ?
501                 "available" : "notavailable");
502 }
503 DEV_STAT_SCSI_LU_ATTR_RO(status);
504
505 static ssize_t target_stat_scsi_lu_show_attr_state_bit(
506         struct se_dev_stat_grps *sgrps, char *page)
507 {
508         struct se_subsystem_dev *se_subdev = container_of(sgrps,
509                         struct se_subsystem_dev, dev_stat_grps);
510         struct se_device *dev = se_subdev->se_dev_ptr;
511
512         if (!dev)
513                 return -ENODEV;
514
515         /* scsiLuState */
516         return snprintf(page, PAGE_SIZE, "exposed\n");
517 }
518 DEV_STAT_SCSI_LU_ATTR_RO(state_bit);
519
520 static ssize_t target_stat_scsi_lu_show_attr_num_cmds(
521         struct se_dev_stat_grps *sgrps, char *page)
522 {
523         struct se_subsystem_dev *se_subdev = container_of(sgrps,
524                         struct se_subsystem_dev, dev_stat_grps);
525         struct se_device *dev = se_subdev->se_dev_ptr;
526
527         if (!dev)
528                 return -ENODEV;
529
530         /* scsiLuNumCommands */
531         return snprintf(page, PAGE_SIZE, "%llu\n",
532                         (unsigned long long)dev->num_cmds);
533 }
534 DEV_STAT_SCSI_LU_ATTR_RO(num_cmds);
535
536 static ssize_t target_stat_scsi_lu_show_attr_read_mbytes(
537         struct se_dev_stat_grps *sgrps, char *page)
538 {
539         struct se_subsystem_dev *se_subdev = container_of(sgrps,
540                         struct se_subsystem_dev, dev_stat_grps);
541         struct se_device *dev = se_subdev->se_dev_ptr;
542
543         if (!dev)
544                 return -ENODEV;
545
546         /* scsiLuReadMegaBytes */
547         return snprintf(page, PAGE_SIZE, "%u\n", (u32)(dev->read_bytes >> 20));
548 }
549 DEV_STAT_SCSI_LU_ATTR_RO(read_mbytes);
550
551 static ssize_t target_stat_scsi_lu_show_attr_write_mbytes(
552         struct se_dev_stat_grps *sgrps, char *page)
553 {
554         struct se_subsystem_dev *se_subdev = container_of(sgrps,
555                         struct se_subsystem_dev, dev_stat_grps);
556         struct se_device *dev = se_subdev->se_dev_ptr;
557
558         if (!dev)
559                 return -ENODEV;
560
561         /* scsiLuWrittenMegaBytes */
562         return snprintf(page, PAGE_SIZE, "%u\n", (u32)(dev->write_bytes >> 20));
563 }
564 DEV_STAT_SCSI_LU_ATTR_RO(write_mbytes);
565
566 static ssize_t target_stat_scsi_lu_show_attr_resets(
567         struct se_dev_stat_grps *sgrps, char *page)
568 {
569         struct se_subsystem_dev *se_subdev = container_of(sgrps,
570                         struct se_subsystem_dev, dev_stat_grps);
571         struct se_device *dev = se_subdev->se_dev_ptr;
572
573         if (!dev)
574                 return -ENODEV;
575
576         /* scsiLuInResets */
577         return snprintf(page, PAGE_SIZE, "%u\n", dev->num_resets);
578 }
579 DEV_STAT_SCSI_LU_ATTR_RO(resets);
580
581 static ssize_t target_stat_scsi_lu_show_attr_full_stat(
582         struct se_dev_stat_grps *sgrps, char *page)
583 {
584         struct se_subsystem_dev *se_subdev = container_of(sgrps,
585                         struct se_subsystem_dev, dev_stat_grps);
586         struct se_device *dev = se_subdev->se_dev_ptr;
587
588         if (!dev)
589                 return -ENODEV;
590
591         /* FIXME: scsiLuOutTaskSetFullStatus */
592         return snprintf(page, PAGE_SIZE, "%u\n", 0);
593 }
594 DEV_STAT_SCSI_LU_ATTR_RO(full_stat);
595
596 static ssize_t target_stat_scsi_lu_show_attr_hs_num_cmds(
597         struct se_dev_stat_grps *sgrps, char *page)
598 {
599         struct se_subsystem_dev *se_subdev = container_of(sgrps,
600                         struct se_subsystem_dev, dev_stat_grps);
601         struct se_device *dev = se_subdev->se_dev_ptr;
602
603         if (!dev)
604                 return -ENODEV;
605
606         /* FIXME: scsiLuHSInCommands */
607         return snprintf(page, PAGE_SIZE, "%u\n", 0);
608 }
609 DEV_STAT_SCSI_LU_ATTR_RO(hs_num_cmds);
610
611 static ssize_t target_stat_scsi_lu_show_attr_creation_time(
612         struct se_dev_stat_grps *sgrps, char *page)
613 {
614         struct se_subsystem_dev *se_subdev = container_of(sgrps,
615                         struct se_subsystem_dev, dev_stat_grps);
616         struct se_device *dev = se_subdev->se_dev_ptr;
617
618         if (!dev)
619                 return -ENODEV;
620
621         /* scsiLuCreationTime */
622         return snprintf(page, PAGE_SIZE, "%u\n", (u32)(((u32)dev->creation_time -
623                                 INITIAL_JIFFIES) * 100 / HZ));
624 }
625 DEV_STAT_SCSI_LU_ATTR_RO(creation_time);
626
627 CONFIGFS_EATTR_OPS(target_stat_scsi_lu, se_dev_stat_grps, scsi_lu_group);
628
629 static struct configfs_attribute *target_stat_scsi_lu_attrs[] = {
630         &target_stat_scsi_lu_inst.attr,
631         &target_stat_scsi_lu_dev.attr,
632         &target_stat_scsi_lu_indx.attr,
633         &target_stat_scsi_lu_lun.attr,
634         &target_stat_scsi_lu_lu_name.attr,
635         &target_stat_scsi_lu_vend.attr,
636         &target_stat_scsi_lu_prod.attr,
637         &target_stat_scsi_lu_rev.attr,
638         &target_stat_scsi_lu_dev_type.attr,
639         &target_stat_scsi_lu_status.attr,
640         &target_stat_scsi_lu_state_bit.attr,
641         &target_stat_scsi_lu_num_cmds.attr,
642         &target_stat_scsi_lu_read_mbytes.attr,
643         &target_stat_scsi_lu_write_mbytes.attr,
644         &target_stat_scsi_lu_resets.attr,
645         &target_stat_scsi_lu_full_stat.attr,
646         &target_stat_scsi_lu_hs_num_cmds.attr,
647         &target_stat_scsi_lu_creation_time.attr,
648         NULL,
649 };
650
651 static struct configfs_item_operations target_stat_scsi_lu_attrib_ops = {
652         .show_attribute         = target_stat_scsi_lu_attr_show,
653         .store_attribute        = target_stat_scsi_lu_attr_store,
654 };
655
656 static struct config_item_type target_stat_scsi_lu_cit = {
657         .ct_item_ops            = &target_stat_scsi_lu_attrib_ops,
658         .ct_attrs               = target_stat_scsi_lu_attrs,
659         .ct_owner               = THIS_MODULE,
660 };
661
662 /*
663  * Called from target_core_configfs.c:target_core_make_subdev() to setup
664  * the target statistics groups + configfs CITs located in target_core_stat.c
665  */
666 void target_stat_setup_dev_default_groups(struct se_subsystem_dev *se_subdev)
667 {
668         struct config_group *dev_stat_grp = &se_subdev->dev_stat_grps.stat_group;
669
670         config_group_init_type_name(&se_subdev->dev_stat_grps.scsi_dev_group,
671                         "scsi_dev", &target_stat_scsi_dev_cit);
672         config_group_init_type_name(&se_subdev->dev_stat_grps.scsi_tgt_dev_group,
673                         "scsi_tgt_dev", &target_stat_scsi_tgt_dev_cit);
674         config_group_init_type_name(&se_subdev->dev_stat_grps.scsi_lu_group,
675                         "scsi_lu", &target_stat_scsi_lu_cit);
676
677         dev_stat_grp->default_groups[0] = &se_subdev->dev_stat_grps.scsi_dev_group;
678         dev_stat_grp->default_groups[1] = &se_subdev->dev_stat_grps.scsi_tgt_dev_group;
679         dev_stat_grp->default_groups[2] = &se_subdev->dev_stat_grps.scsi_lu_group;
680         dev_stat_grp->default_groups[3] = NULL;
681 }
682
683 /*
684  * SCSI Port Table
685  */
686
687 CONFIGFS_EATTR_STRUCT(target_stat_scsi_port, se_port_stat_grps);
688 #define DEV_STAT_SCSI_PORT_ATTR(_name, _mode)                           \
689 static struct target_stat_scsi_port_attribute                           \
690                         target_stat_scsi_port_##_name =                 \
691         __CONFIGFS_EATTR(_name, _mode,                                  \
692         target_stat_scsi_port_show_attr_##_name,                        \
693         target_stat_scsi_port_store_attr_##_name);
694
695 #define DEV_STAT_SCSI_PORT_ATTR_RO(_name)                               \
696 static struct target_stat_scsi_port_attribute                           \
697                         target_stat_scsi_port_##_name =                 \
698         __CONFIGFS_EATTR_RO(_name,                                      \
699         target_stat_scsi_port_show_attr_##_name);
700
701 static ssize_t target_stat_scsi_port_show_attr_inst(
702         struct se_port_stat_grps *pgrps, char *page)
703 {
704         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
705         struct se_port *sep;
706         struct se_device *dev = lun->lun_se_dev;
707         struct se_hba *hba;
708         ssize_t ret;
709
710         spin_lock(&lun->lun_sep_lock);
711         sep = lun->lun_sep;
712         if (!sep) {
713                 spin_unlock(&lun->lun_sep_lock);
714                 return -ENODEV;
715         }
716         hba = dev->se_hba;
717         ret = snprintf(page, PAGE_SIZE, "%u\n", hba->hba_index);
718         spin_unlock(&lun->lun_sep_lock);
719         return ret;
720 }
721 DEV_STAT_SCSI_PORT_ATTR_RO(inst);
722
723 static ssize_t target_stat_scsi_port_show_attr_dev(
724         struct se_port_stat_grps *pgrps, char *page)
725 {
726         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
727         struct se_port *sep;
728         struct se_device *dev = lun->lun_se_dev;
729         ssize_t ret;
730
731         spin_lock(&lun->lun_sep_lock);
732         sep = lun->lun_sep;
733         if (!sep) {
734                 spin_unlock(&lun->lun_sep_lock);
735                 return -ENODEV;
736         }
737         ret = snprintf(page, PAGE_SIZE, "%u\n", dev->dev_index);
738         spin_unlock(&lun->lun_sep_lock);
739         return ret;
740 }
741 DEV_STAT_SCSI_PORT_ATTR_RO(dev);
742
743 static ssize_t target_stat_scsi_port_show_attr_indx(
744         struct se_port_stat_grps *pgrps, char *page)
745 {
746         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
747         struct se_port *sep;
748         ssize_t ret;
749
750         spin_lock(&lun->lun_sep_lock);
751         sep = lun->lun_sep;
752         if (!sep) {
753                 spin_unlock(&lun->lun_sep_lock);
754                 return -ENODEV;
755         }
756         ret = snprintf(page, PAGE_SIZE, "%u\n", sep->sep_index);
757         spin_unlock(&lun->lun_sep_lock);
758         return ret;
759 }
760 DEV_STAT_SCSI_PORT_ATTR_RO(indx);
761
762 static ssize_t target_stat_scsi_port_show_attr_role(
763         struct se_port_stat_grps *pgrps, char *page)
764 {
765         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
766         struct se_device *dev = lun->lun_se_dev;
767         struct se_port *sep;
768         ssize_t ret;
769
770         if (!dev)
771                 return -ENODEV;
772
773         spin_lock(&lun->lun_sep_lock);
774         sep = lun->lun_sep;
775         if (!sep) {
776                 spin_unlock(&lun->lun_sep_lock);
777                 return -ENODEV;
778         }
779         ret = snprintf(page, PAGE_SIZE, "%s%u\n", "Device", dev->dev_index);
780         spin_unlock(&lun->lun_sep_lock);
781         return ret;
782 }
783 DEV_STAT_SCSI_PORT_ATTR_RO(role);
784
785 static ssize_t target_stat_scsi_port_show_attr_busy_count(
786         struct se_port_stat_grps *pgrps, char *page)
787 {
788         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
789         struct se_port *sep;
790         ssize_t ret;
791
792         spin_lock(&lun->lun_sep_lock);
793         sep = lun->lun_sep;
794         if (!sep) {
795                 spin_unlock(&lun->lun_sep_lock);
796                 return -ENODEV;
797         }
798         /* FIXME: scsiPortBusyStatuses  */
799         ret = snprintf(page, PAGE_SIZE, "%u\n", 0);
800         spin_unlock(&lun->lun_sep_lock);
801         return ret;
802 }
803 DEV_STAT_SCSI_PORT_ATTR_RO(busy_count);
804
805 CONFIGFS_EATTR_OPS(target_stat_scsi_port, se_port_stat_grps, scsi_port_group);
806
807 static struct configfs_attribute *target_stat_scsi_port_attrs[] = {
808         &target_stat_scsi_port_inst.attr,
809         &target_stat_scsi_port_dev.attr,
810         &target_stat_scsi_port_indx.attr,
811         &target_stat_scsi_port_role.attr,
812         &target_stat_scsi_port_busy_count.attr,
813         NULL,
814 };
815
816 static struct configfs_item_operations target_stat_scsi_port_attrib_ops = {
817         .show_attribute         = target_stat_scsi_port_attr_show,
818         .store_attribute        = target_stat_scsi_port_attr_store,
819 };
820
821 static struct config_item_type target_stat_scsi_port_cit = {
822         .ct_item_ops            = &target_stat_scsi_port_attrib_ops,
823         .ct_attrs               = target_stat_scsi_port_attrs,
824         .ct_owner               = THIS_MODULE,
825 };
826
827 /*
828  * SCSI Target Port Table
829  */
830 CONFIGFS_EATTR_STRUCT(target_stat_scsi_tgt_port, se_port_stat_grps);
831 #define DEV_STAT_SCSI_TGT_PORT_ATTR(_name, _mode)                       \
832 static struct target_stat_scsi_tgt_port_attribute                       \
833                         target_stat_scsi_tgt_port_##_name =             \
834         __CONFIGFS_EATTR(_name, _mode,                                  \
835         target_stat_scsi_tgt_port_show_attr_##_name,                    \
836         target_stat_scsi_tgt_port_store_attr_##_name);
837
838 #define DEV_STAT_SCSI_TGT_PORT_ATTR_RO(_name)                           \
839 static struct target_stat_scsi_tgt_port_attribute                       \
840                         target_stat_scsi_tgt_port_##_name =             \
841         __CONFIGFS_EATTR_RO(_name,                                      \
842         target_stat_scsi_tgt_port_show_attr_##_name);
843
844 static ssize_t target_stat_scsi_tgt_port_show_attr_inst(
845         struct se_port_stat_grps *pgrps, char *page)
846 {
847         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
848         struct se_device *dev = lun->lun_se_dev;
849         struct se_port *sep;
850         struct se_hba *hba;
851         ssize_t ret;
852
853         spin_lock(&lun->lun_sep_lock);
854         sep = lun->lun_sep;
855         if (!sep) {
856                 spin_unlock(&lun->lun_sep_lock);
857                 return -ENODEV;
858         }
859         hba = dev->se_hba;
860         ret = snprintf(page, PAGE_SIZE, "%u\n", hba->hba_index);
861         spin_unlock(&lun->lun_sep_lock);
862         return ret;
863 }
864 DEV_STAT_SCSI_TGT_PORT_ATTR_RO(inst);
865
866 static ssize_t target_stat_scsi_tgt_port_show_attr_dev(
867         struct se_port_stat_grps *pgrps, char *page)
868 {
869         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
870         struct se_device *dev = lun->lun_se_dev;
871         struct se_port *sep;
872         ssize_t ret;
873
874         spin_lock(&lun->lun_sep_lock);
875         sep = lun->lun_sep;
876         if (!sep) {
877                 spin_unlock(&lun->lun_sep_lock);
878                 return -ENODEV;
879         }
880         ret = snprintf(page, PAGE_SIZE, "%u\n", dev->dev_index);
881         spin_unlock(&lun->lun_sep_lock);
882         return ret;
883 }
884 DEV_STAT_SCSI_TGT_PORT_ATTR_RO(dev);
885
886 static ssize_t target_stat_scsi_tgt_port_show_attr_indx(
887         struct se_port_stat_grps *pgrps, char *page)
888 {
889         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
890         struct se_port *sep;
891         ssize_t ret;
892
893         spin_lock(&lun->lun_sep_lock);
894         sep = lun->lun_sep;
895         if (!sep) {
896                 spin_unlock(&lun->lun_sep_lock);
897                 return -ENODEV;
898         }
899         ret = snprintf(page, PAGE_SIZE, "%u\n", sep->sep_index);
900         spin_unlock(&lun->lun_sep_lock);
901         return ret;
902 }
903 DEV_STAT_SCSI_TGT_PORT_ATTR_RO(indx);
904
905 static ssize_t target_stat_scsi_tgt_port_show_attr_name(
906         struct se_port_stat_grps *pgrps, char *page)
907 {
908         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
909         struct se_port *sep;
910         struct se_portal_group *tpg;
911         ssize_t ret;
912
913         spin_lock(&lun->lun_sep_lock);
914         sep = lun->lun_sep;
915         if (!sep) {
916                 spin_unlock(&lun->lun_sep_lock);
917                 return -ENODEV;
918         }
919         tpg = sep->sep_tpg;
920
921         ret = snprintf(page, PAGE_SIZE, "%sPort#%u\n",
922                 tpg->se_tpg_tfo->get_fabric_name(), sep->sep_index);
923         spin_unlock(&lun->lun_sep_lock);
924         return ret;
925 }
926 DEV_STAT_SCSI_TGT_PORT_ATTR_RO(name);
927
928 static ssize_t target_stat_scsi_tgt_port_show_attr_port_index(
929         struct se_port_stat_grps *pgrps, char *page)
930 {
931         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
932         struct se_port *sep;
933         struct se_portal_group *tpg;
934         ssize_t ret;
935
936         spin_lock(&lun->lun_sep_lock);
937         sep = lun->lun_sep;
938         if (!sep) {
939                 spin_unlock(&lun->lun_sep_lock);
940                 return -ENODEV;
941         }
942         tpg = sep->sep_tpg;
943
944         ret = snprintf(page, PAGE_SIZE, "%s%s%d\n",
945                 tpg->se_tpg_tfo->tpg_get_wwn(tpg), "+t+",
946                 tpg->se_tpg_tfo->tpg_get_tag(tpg));
947         spin_unlock(&lun->lun_sep_lock);
948         return ret;
949 }
950 DEV_STAT_SCSI_TGT_PORT_ATTR_RO(port_index);
951
952 static ssize_t target_stat_scsi_tgt_port_show_attr_in_cmds(
953         struct se_port_stat_grps *pgrps, char *page)
954 {
955         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
956         struct se_port *sep;
957         ssize_t ret;
958
959         spin_lock(&lun->lun_sep_lock);
960         sep = lun->lun_sep;
961         if (!sep) {
962                 spin_unlock(&lun->lun_sep_lock);
963                 return -ENODEV;
964         }
965
966         ret = snprintf(page, PAGE_SIZE, "%llu\n", sep->sep_stats.cmd_pdus);
967         spin_unlock(&lun->lun_sep_lock);
968         return ret;
969 }
970 DEV_STAT_SCSI_TGT_PORT_ATTR_RO(in_cmds);
971
972 static ssize_t target_stat_scsi_tgt_port_show_attr_write_mbytes(
973         struct se_port_stat_grps *pgrps, char *page)
974 {
975         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
976         struct se_port *sep;
977         ssize_t ret;
978
979         spin_lock(&lun->lun_sep_lock);
980         sep = lun->lun_sep;
981         if (!sep) {
982                 spin_unlock(&lun->lun_sep_lock);
983                 return -ENODEV;
984         }
985
986         ret = snprintf(page, PAGE_SIZE, "%u\n",
987                         (u32)(sep->sep_stats.rx_data_octets >> 20));
988         spin_unlock(&lun->lun_sep_lock);
989         return ret;
990 }
991 DEV_STAT_SCSI_TGT_PORT_ATTR_RO(write_mbytes);
992
993 static ssize_t target_stat_scsi_tgt_port_show_attr_read_mbytes(
994         struct se_port_stat_grps *pgrps, char *page)
995 {
996         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
997         struct se_port *sep;
998         ssize_t ret;
999
1000         spin_lock(&lun->lun_sep_lock);
1001         sep = lun->lun_sep;
1002         if (!sep) {
1003                 spin_unlock(&lun->lun_sep_lock);
1004                 return -ENODEV;
1005         }
1006
1007         ret = snprintf(page, PAGE_SIZE, "%u\n",
1008                         (u32)(sep->sep_stats.tx_data_octets >> 20));
1009         spin_unlock(&lun->lun_sep_lock);
1010         return ret;
1011 }
1012 DEV_STAT_SCSI_TGT_PORT_ATTR_RO(read_mbytes);
1013
1014 static ssize_t target_stat_scsi_tgt_port_show_attr_hs_in_cmds(
1015         struct se_port_stat_grps *pgrps, char *page)
1016 {
1017         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
1018         struct se_port *sep;
1019         ssize_t ret;
1020
1021         spin_lock(&lun->lun_sep_lock);
1022         sep = lun->lun_sep;
1023         if (!sep) {
1024                 spin_unlock(&lun->lun_sep_lock);
1025                 return -ENODEV;
1026         }
1027
1028         /* FIXME: scsiTgtPortHsInCommands */
1029         ret = snprintf(page, PAGE_SIZE, "%u\n", 0);
1030         spin_unlock(&lun->lun_sep_lock);
1031         return ret;
1032 }
1033 DEV_STAT_SCSI_TGT_PORT_ATTR_RO(hs_in_cmds);
1034
1035 CONFIGFS_EATTR_OPS(target_stat_scsi_tgt_port, se_port_stat_grps,
1036                 scsi_tgt_port_group);
1037
1038 static struct configfs_attribute *target_stat_scsi_tgt_port_attrs[] = {
1039         &target_stat_scsi_tgt_port_inst.attr,
1040         &target_stat_scsi_tgt_port_dev.attr,
1041         &target_stat_scsi_tgt_port_indx.attr,
1042         &target_stat_scsi_tgt_port_name.attr,
1043         &target_stat_scsi_tgt_port_port_index.attr,
1044         &target_stat_scsi_tgt_port_in_cmds.attr,
1045         &target_stat_scsi_tgt_port_write_mbytes.attr,
1046         &target_stat_scsi_tgt_port_read_mbytes.attr,
1047         &target_stat_scsi_tgt_port_hs_in_cmds.attr,
1048         NULL,
1049 };
1050
1051 static struct configfs_item_operations target_stat_scsi_tgt_port_attrib_ops = {
1052         .show_attribute         = target_stat_scsi_tgt_port_attr_show,
1053         .store_attribute        = target_stat_scsi_tgt_port_attr_store,
1054 };
1055
1056 static struct config_item_type target_stat_scsi_tgt_port_cit = {
1057         .ct_item_ops            = &target_stat_scsi_tgt_port_attrib_ops,
1058         .ct_attrs               = target_stat_scsi_tgt_port_attrs,
1059         .ct_owner               = THIS_MODULE,
1060 };
1061
1062 /*
1063  * SCSI Transport Table
1064 o */
1065
1066 CONFIGFS_EATTR_STRUCT(target_stat_scsi_transport, se_port_stat_grps);
1067 #define DEV_STAT_SCSI_TRANSPORT_ATTR(_name, _mode)                      \
1068 static struct target_stat_scsi_transport_attribute                      \
1069                         target_stat_scsi_transport_##_name =            \
1070         __CONFIGFS_EATTR(_name, _mode,                                  \
1071         target_stat_scsi_transport_show_attr_##_name,                   \
1072         target_stat_scsi_transport_store_attr_##_name);
1073
1074 #define DEV_STAT_SCSI_TRANSPORT_ATTR_RO(_name)                          \
1075 static struct target_stat_scsi_transport_attribute                      \
1076                         target_stat_scsi_transport_##_name =            \
1077         __CONFIGFS_EATTR_RO(_name,                                      \
1078         target_stat_scsi_transport_show_attr_##_name);
1079
1080 static ssize_t target_stat_scsi_transport_show_attr_inst(
1081         struct se_port_stat_grps *pgrps, char *page)
1082 {
1083         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
1084         struct se_device *dev = lun->lun_se_dev;
1085         struct se_port *sep;
1086         struct se_hba *hba;
1087         ssize_t ret;
1088
1089         spin_lock(&lun->lun_sep_lock);
1090         sep = lun->lun_sep;
1091         if (!sep) {
1092                 spin_unlock(&lun->lun_sep_lock);
1093                 return -ENODEV;
1094         }
1095
1096         hba = dev->se_hba;
1097         ret = snprintf(page, PAGE_SIZE, "%u\n", hba->hba_index);
1098         spin_unlock(&lun->lun_sep_lock);
1099         return ret;
1100 }
1101 DEV_STAT_SCSI_TRANSPORT_ATTR_RO(inst);
1102
1103 static ssize_t target_stat_scsi_transport_show_attr_device(
1104         struct se_port_stat_grps *pgrps, char *page)
1105 {
1106         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
1107         struct se_port *sep;
1108         struct se_portal_group *tpg;
1109         ssize_t ret;
1110
1111         spin_lock(&lun->lun_sep_lock);
1112         sep = lun->lun_sep;
1113         if (!sep) {
1114                 spin_unlock(&lun->lun_sep_lock);
1115                 return -ENODEV;
1116         }
1117         tpg = sep->sep_tpg;
1118         /* scsiTransportType */
1119         ret = snprintf(page, PAGE_SIZE, "scsiTransport%s\n",
1120                         tpg->se_tpg_tfo->get_fabric_name());
1121         spin_unlock(&lun->lun_sep_lock);
1122         return ret;
1123 }
1124 DEV_STAT_SCSI_TRANSPORT_ATTR_RO(device);
1125
1126 static ssize_t target_stat_scsi_transport_show_attr_indx(
1127         struct se_port_stat_grps *pgrps, char *page)
1128 {
1129         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
1130         struct se_port *sep;
1131         struct se_portal_group *tpg;
1132         ssize_t ret;
1133
1134         spin_lock(&lun->lun_sep_lock);
1135         sep = lun->lun_sep;
1136         if (!sep) {
1137                 spin_unlock(&lun->lun_sep_lock);
1138                 return -ENODEV;
1139         }
1140         tpg = sep->sep_tpg;
1141         ret = snprintf(page, PAGE_SIZE, "%u\n",
1142                         tpg->se_tpg_tfo->tpg_get_inst_index(tpg));
1143         spin_unlock(&lun->lun_sep_lock);
1144         return ret;
1145 }
1146 DEV_STAT_SCSI_TRANSPORT_ATTR_RO(indx);
1147
1148 static ssize_t target_stat_scsi_transport_show_attr_dev_name(
1149         struct se_port_stat_grps *pgrps, char *page)
1150 {
1151         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
1152         struct se_device *dev = lun->lun_se_dev;
1153         struct se_port *sep;
1154         struct se_portal_group *tpg;
1155         struct t10_wwn *wwn;
1156         ssize_t ret;
1157
1158         spin_lock(&lun->lun_sep_lock);
1159         sep = lun->lun_sep;
1160         if (!sep) {
1161                 spin_unlock(&lun->lun_sep_lock);
1162                 return -ENODEV;
1163         }
1164         tpg = sep->sep_tpg;
1165         wwn = &dev->se_sub_dev->t10_wwn;
1166         /* scsiTransportDevName */
1167         ret = snprintf(page, PAGE_SIZE, "%s+%s\n",
1168                         tpg->se_tpg_tfo->tpg_get_wwn(tpg),
1169                         (strlen(wwn->unit_serial)) ? wwn->unit_serial :
1170                         wwn->vendor);
1171         spin_unlock(&lun->lun_sep_lock);
1172         return ret;
1173 }
1174 DEV_STAT_SCSI_TRANSPORT_ATTR_RO(dev_name);
1175
1176 CONFIGFS_EATTR_OPS(target_stat_scsi_transport, se_port_stat_grps,
1177                 scsi_transport_group);
1178
1179 static struct configfs_attribute *target_stat_scsi_transport_attrs[] = {
1180         &target_stat_scsi_transport_inst.attr,
1181         &target_stat_scsi_transport_device.attr,
1182         &target_stat_scsi_transport_indx.attr,
1183         &target_stat_scsi_transport_dev_name.attr,
1184         NULL,
1185 };
1186
1187 static struct configfs_item_operations target_stat_scsi_transport_attrib_ops = {
1188         .show_attribute         = target_stat_scsi_transport_attr_show,
1189         .store_attribute        = target_stat_scsi_transport_attr_store,
1190 };
1191
1192 static struct config_item_type target_stat_scsi_transport_cit = {
1193         .ct_item_ops            = &target_stat_scsi_transport_attrib_ops,
1194         .ct_attrs               = target_stat_scsi_transport_attrs,
1195         .ct_owner               = THIS_MODULE,
1196 };
1197
1198 /*
1199  * Called from target_core_fabric_configfs.c:target_fabric_make_lun() to setup
1200  * the target port statistics groups + configfs CITs located in target_core_stat.c
1201  */
1202 void target_stat_setup_port_default_groups(struct se_lun *lun)
1203 {
1204         struct config_group *port_stat_grp = &lun->port_stat_grps.stat_group;
1205
1206         config_group_init_type_name(&lun->port_stat_grps.scsi_port_group,
1207                         "scsi_port", &target_stat_scsi_port_cit);
1208         config_group_init_type_name(&lun->port_stat_grps.scsi_tgt_port_group,
1209                         "scsi_tgt_port", &target_stat_scsi_tgt_port_cit);
1210         config_group_init_type_name(&lun->port_stat_grps.scsi_transport_group,
1211                         "scsi_transport", &target_stat_scsi_transport_cit);
1212
1213         port_stat_grp->default_groups[0] = &lun->port_stat_grps.scsi_port_group;
1214         port_stat_grp->default_groups[1] = &lun->port_stat_grps.scsi_tgt_port_group;
1215         port_stat_grp->default_groups[2] = &lun->port_stat_grps.scsi_transport_group;
1216         port_stat_grp->default_groups[3] = NULL;
1217 }
1218
1219 /*
1220  * SCSI Authorized Initiator Table
1221  */
1222
1223 CONFIGFS_EATTR_STRUCT(target_stat_scsi_auth_intr, se_ml_stat_grps);
1224 #define DEV_STAT_SCSI_AUTH_INTR_ATTR(_name, _mode)                      \
1225 static struct target_stat_scsi_auth_intr_attribute                      \
1226                         target_stat_scsi_auth_intr_##_name =            \
1227         __CONFIGFS_EATTR(_name, _mode,                                  \
1228         target_stat_scsi_auth_intr_show_attr_##_name,                   \
1229         target_stat_scsi_auth_intr_store_attr_##_name);
1230
1231 #define DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(_name)                          \
1232 static struct target_stat_scsi_auth_intr_attribute                      \
1233                         target_stat_scsi_auth_intr_##_name =            \
1234         __CONFIGFS_EATTR_RO(_name,                                      \
1235         target_stat_scsi_auth_intr_show_attr_##_name);
1236
1237 static ssize_t target_stat_scsi_auth_intr_show_attr_inst(
1238         struct se_ml_stat_grps *lgrps, char *page)
1239 {
1240         struct se_lun_acl *lacl = container_of(lgrps,
1241                         struct se_lun_acl, ml_stat_grps);
1242         struct se_node_acl *nacl = lacl->se_lun_nacl;
1243         struct se_dev_entry *deve;
1244         struct se_portal_group *tpg;
1245         ssize_t ret;
1246
1247         spin_lock_irq(&nacl->device_list_lock);
1248         deve = nacl->device_list[lacl->mapped_lun];
1249         if (!deve->se_lun || !deve->se_lun_acl) {
1250                 spin_unlock_irq(&nacl->device_list_lock);
1251                 return -ENODEV;
1252         }
1253         tpg = nacl->se_tpg;
1254         /* scsiInstIndex */
1255         ret = snprintf(page, PAGE_SIZE, "%u\n",
1256                         tpg->se_tpg_tfo->tpg_get_inst_index(tpg));
1257         spin_unlock_irq(&nacl->device_list_lock);
1258         return ret;
1259 }
1260 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(inst);
1261
1262 static ssize_t target_stat_scsi_auth_intr_show_attr_dev(
1263         struct se_ml_stat_grps *lgrps, char *page)
1264 {
1265         struct se_lun_acl *lacl = container_of(lgrps,
1266                         struct se_lun_acl, ml_stat_grps);
1267         struct se_node_acl *nacl = lacl->se_lun_nacl;
1268         struct se_dev_entry *deve;
1269         struct se_lun *lun;
1270         ssize_t ret;
1271
1272         spin_lock_irq(&nacl->device_list_lock);
1273         deve = nacl->device_list[lacl->mapped_lun];
1274         if (!deve->se_lun || !deve->se_lun_acl) {
1275                 spin_unlock_irq(&nacl->device_list_lock);
1276                 return -ENODEV;
1277         }
1278         lun = deve->se_lun;
1279         /* scsiDeviceIndex */
1280         ret = snprintf(page, PAGE_SIZE, "%u\n", lun->lun_se_dev->dev_index);
1281         spin_unlock_irq(&nacl->device_list_lock);
1282         return ret;
1283 }
1284 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(dev);
1285
1286 static ssize_t target_stat_scsi_auth_intr_show_attr_port(
1287         struct se_ml_stat_grps *lgrps, char *page)
1288 {
1289         struct se_lun_acl *lacl = container_of(lgrps,
1290                         struct se_lun_acl, ml_stat_grps);
1291         struct se_node_acl *nacl = lacl->se_lun_nacl;
1292         struct se_dev_entry *deve;
1293         struct se_portal_group *tpg;
1294         ssize_t ret;
1295
1296         spin_lock_irq(&nacl->device_list_lock);
1297         deve = nacl->device_list[lacl->mapped_lun];
1298         if (!deve->se_lun || !deve->se_lun_acl) {
1299                 spin_unlock_irq(&nacl->device_list_lock);
1300                 return -ENODEV;
1301         }
1302         tpg = nacl->se_tpg;
1303         /* scsiAuthIntrTgtPortIndex */
1304         ret = snprintf(page, PAGE_SIZE, "%u\n", tpg->se_tpg_tfo->tpg_get_tag(tpg));
1305         spin_unlock_irq(&nacl->device_list_lock);
1306         return ret;
1307 }
1308 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(port);
1309
1310 static ssize_t target_stat_scsi_auth_intr_show_attr_indx(
1311         struct se_ml_stat_grps *lgrps, char *page)
1312 {
1313         struct se_lun_acl *lacl = container_of(lgrps,
1314                         struct se_lun_acl, ml_stat_grps);
1315         struct se_node_acl *nacl = lacl->se_lun_nacl;
1316         struct se_dev_entry *deve;
1317         ssize_t ret;
1318
1319         spin_lock_irq(&nacl->device_list_lock);
1320         deve = nacl->device_list[lacl->mapped_lun];
1321         if (!deve->se_lun || !deve->se_lun_acl) {
1322                 spin_unlock_irq(&nacl->device_list_lock);
1323                 return -ENODEV;
1324         }
1325         /* scsiAuthIntrIndex */
1326         ret = snprintf(page, PAGE_SIZE, "%u\n", nacl->acl_index);
1327         spin_unlock_irq(&nacl->device_list_lock);
1328         return ret;
1329 }
1330 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(indx);
1331
1332 static ssize_t target_stat_scsi_auth_intr_show_attr_dev_or_port(
1333         struct se_ml_stat_grps *lgrps, char *page)
1334 {
1335         struct se_lun_acl *lacl = container_of(lgrps,
1336                         struct se_lun_acl, ml_stat_grps);
1337         struct se_node_acl *nacl = lacl->se_lun_nacl;
1338         struct se_dev_entry *deve;
1339         ssize_t ret;
1340
1341         spin_lock_irq(&nacl->device_list_lock);
1342         deve = nacl->device_list[lacl->mapped_lun];
1343         if (!deve->se_lun || !deve->se_lun_acl) {
1344                 spin_unlock_irq(&nacl->device_list_lock);
1345                 return -ENODEV;
1346         }
1347         /* scsiAuthIntrDevOrPort */
1348         ret = snprintf(page, PAGE_SIZE, "%u\n", 1);
1349         spin_unlock_irq(&nacl->device_list_lock);
1350         return ret;
1351 }
1352 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(dev_or_port);
1353
1354 static ssize_t target_stat_scsi_auth_intr_show_attr_intr_name(
1355         struct se_ml_stat_grps *lgrps, char *page)
1356 {
1357         struct se_lun_acl *lacl = container_of(lgrps,
1358                         struct se_lun_acl, ml_stat_grps);
1359         struct se_node_acl *nacl = lacl->se_lun_nacl;
1360         struct se_dev_entry *deve;
1361         ssize_t ret;
1362
1363         spin_lock_irq(&nacl->device_list_lock);
1364         deve = nacl->device_list[lacl->mapped_lun];
1365         if (!deve->se_lun || !deve->se_lun_acl) {
1366                 spin_unlock_irq(&nacl->device_list_lock);
1367                 return -ENODEV;
1368         }
1369         /* scsiAuthIntrName */
1370         ret = snprintf(page, PAGE_SIZE, "%s\n", nacl->initiatorname);
1371         spin_unlock_irq(&nacl->device_list_lock);
1372         return ret;
1373 }
1374 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(intr_name);
1375
1376 static ssize_t target_stat_scsi_auth_intr_show_attr_map_indx(
1377         struct se_ml_stat_grps *lgrps, char *page)
1378 {
1379         struct se_lun_acl *lacl = container_of(lgrps,
1380                         struct se_lun_acl, ml_stat_grps);
1381         struct se_node_acl *nacl = lacl->se_lun_nacl;
1382         struct se_dev_entry *deve;
1383         ssize_t ret;
1384
1385         spin_lock_irq(&nacl->device_list_lock);
1386         deve = nacl->device_list[lacl->mapped_lun];
1387         if (!deve->se_lun || !deve->se_lun_acl) {
1388                 spin_unlock_irq(&nacl->device_list_lock);
1389                 return -ENODEV;
1390         }
1391         /* FIXME: scsiAuthIntrLunMapIndex */
1392         ret = snprintf(page, PAGE_SIZE, "%u\n", 0);
1393         spin_unlock_irq(&nacl->device_list_lock);
1394         return ret;
1395 }
1396 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(map_indx);
1397
1398 static ssize_t target_stat_scsi_auth_intr_show_attr_att_count(
1399         struct se_ml_stat_grps *lgrps, char *page)
1400 {
1401         struct se_lun_acl *lacl = container_of(lgrps,
1402                         struct se_lun_acl, ml_stat_grps);
1403         struct se_node_acl *nacl = lacl->se_lun_nacl;
1404         struct se_dev_entry *deve;
1405         ssize_t ret;
1406
1407         spin_lock_irq(&nacl->device_list_lock);
1408         deve = nacl->device_list[lacl->mapped_lun];
1409         if (!deve->se_lun || !deve->se_lun_acl) {
1410                 spin_unlock_irq(&nacl->device_list_lock);
1411                 return -ENODEV;
1412         }
1413         /* scsiAuthIntrAttachedTimes */
1414         ret = snprintf(page, PAGE_SIZE, "%u\n", deve->attach_count);
1415         spin_unlock_irq(&nacl->device_list_lock);
1416         return ret;
1417 }
1418 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(att_count);
1419
1420 static ssize_t target_stat_scsi_auth_intr_show_attr_num_cmds(
1421         struct se_ml_stat_grps *lgrps, char *page)
1422 {
1423         struct se_lun_acl *lacl = container_of(lgrps,
1424                         struct se_lun_acl, ml_stat_grps);
1425         struct se_node_acl *nacl = lacl->se_lun_nacl;
1426         struct se_dev_entry *deve;
1427         ssize_t ret;
1428
1429         spin_lock_irq(&nacl->device_list_lock);
1430         deve = nacl->device_list[lacl->mapped_lun];
1431         if (!deve->se_lun || !deve->se_lun_acl) {
1432                 spin_unlock_irq(&nacl->device_list_lock);
1433                 return -ENODEV;
1434         }
1435         /* scsiAuthIntrOutCommands */
1436         ret = snprintf(page, PAGE_SIZE, "%u\n", deve->total_cmds);
1437         spin_unlock_irq(&nacl->device_list_lock);
1438         return ret;
1439 }
1440 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(num_cmds);
1441
1442 static ssize_t target_stat_scsi_auth_intr_show_attr_read_mbytes(
1443         struct se_ml_stat_grps *lgrps, char *page)
1444 {
1445         struct se_lun_acl *lacl = container_of(lgrps,
1446                         struct se_lun_acl, ml_stat_grps);
1447         struct se_node_acl *nacl = lacl->se_lun_nacl;
1448         struct se_dev_entry *deve;
1449         ssize_t ret;
1450
1451         spin_lock_irq(&nacl->device_list_lock);
1452         deve = nacl->device_list[lacl->mapped_lun];
1453         if (!deve->se_lun || !deve->se_lun_acl) {
1454                 spin_unlock_irq(&nacl->device_list_lock);
1455                 return -ENODEV;
1456         }
1457         /* scsiAuthIntrReadMegaBytes */
1458         ret = snprintf(page, PAGE_SIZE, "%u\n", (u32)(deve->read_bytes >> 20));
1459         spin_unlock_irq(&nacl->device_list_lock);
1460         return ret;
1461 }
1462 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(read_mbytes);
1463
1464 static ssize_t target_stat_scsi_auth_intr_show_attr_write_mbytes(
1465         struct se_ml_stat_grps *lgrps, char *page)
1466 {
1467         struct se_lun_acl *lacl = container_of(lgrps,
1468                         struct se_lun_acl, ml_stat_grps);
1469         struct se_node_acl *nacl = lacl->se_lun_nacl;
1470         struct se_dev_entry *deve;
1471         ssize_t ret;
1472
1473         spin_lock_irq(&nacl->device_list_lock);
1474         deve = nacl->device_list[lacl->mapped_lun];
1475         if (!deve->se_lun || !deve->se_lun_acl) {
1476                 spin_unlock_irq(&nacl->device_list_lock);
1477                 return -ENODEV;
1478         }
1479         /* scsiAuthIntrWrittenMegaBytes */
1480         ret = snprintf(page, PAGE_SIZE, "%u\n", (u32)(deve->write_bytes >> 20));
1481         spin_unlock_irq(&nacl->device_list_lock);
1482         return ret;
1483 }
1484 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(write_mbytes);
1485
1486 static ssize_t target_stat_scsi_auth_intr_show_attr_hs_num_cmds(
1487         struct se_ml_stat_grps *lgrps, char *page)
1488 {
1489         struct se_lun_acl *lacl = container_of(lgrps,
1490                         struct se_lun_acl, ml_stat_grps);
1491         struct se_node_acl *nacl = lacl->se_lun_nacl;
1492         struct se_dev_entry *deve;
1493         ssize_t ret;
1494
1495         spin_lock_irq(&nacl->device_list_lock);
1496         deve = nacl->device_list[lacl->mapped_lun];
1497         if (!deve->se_lun || !deve->se_lun_acl) {
1498                 spin_unlock_irq(&nacl->device_list_lock);
1499                 return -ENODEV;
1500         }
1501         /* FIXME: scsiAuthIntrHSOutCommands */
1502         ret = snprintf(page, PAGE_SIZE, "%u\n", 0);
1503         spin_unlock_irq(&nacl->device_list_lock);
1504         return ret;
1505 }
1506 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(hs_num_cmds);
1507
1508 static ssize_t target_stat_scsi_auth_intr_show_attr_creation_time(
1509         struct se_ml_stat_grps *lgrps, char *page)
1510 {
1511         struct se_lun_acl *lacl = container_of(lgrps,
1512                         struct se_lun_acl, ml_stat_grps);
1513         struct se_node_acl *nacl = lacl->se_lun_nacl;
1514         struct se_dev_entry *deve;
1515         ssize_t ret;
1516
1517         spin_lock_irq(&nacl->device_list_lock);
1518         deve = nacl->device_list[lacl->mapped_lun];
1519         if (!deve->se_lun || !deve->se_lun_acl) {
1520                 spin_unlock_irq(&nacl->device_list_lock);
1521                 return -ENODEV;
1522         }
1523         /* scsiAuthIntrLastCreation */
1524         ret = snprintf(page, PAGE_SIZE, "%u\n", (u32)(((u32)deve->creation_time -
1525                                 INITIAL_JIFFIES) * 100 / HZ));
1526         spin_unlock_irq(&nacl->device_list_lock);
1527         return ret;
1528 }
1529 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(creation_time);
1530
1531 static ssize_t target_stat_scsi_auth_intr_show_attr_row_status(
1532         struct se_ml_stat_grps *lgrps, char *page)
1533 {
1534         struct se_lun_acl *lacl = container_of(lgrps,
1535                         struct se_lun_acl, ml_stat_grps);
1536         struct se_node_acl *nacl = lacl->se_lun_nacl;
1537         struct se_dev_entry *deve;
1538         ssize_t ret;
1539
1540         spin_lock_irq(&nacl->device_list_lock);
1541         deve = nacl->device_list[lacl->mapped_lun];
1542         if (!deve->se_lun || !deve->se_lun_acl) {
1543                 spin_unlock_irq(&nacl->device_list_lock);
1544                 return -ENODEV;
1545         }
1546         /* FIXME: scsiAuthIntrRowStatus */
1547         ret = snprintf(page, PAGE_SIZE, "Ready\n");
1548         spin_unlock_irq(&nacl->device_list_lock);
1549         return ret;
1550 }
1551 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(row_status);
1552
1553 CONFIGFS_EATTR_OPS(target_stat_scsi_auth_intr, se_ml_stat_grps,
1554                 scsi_auth_intr_group);
1555
1556 static struct configfs_attribute *target_stat_scsi_auth_intr_attrs[] = {
1557         &target_stat_scsi_auth_intr_inst.attr,
1558         &target_stat_scsi_auth_intr_dev.attr,
1559         &target_stat_scsi_auth_intr_port.attr,
1560         &target_stat_scsi_auth_intr_indx.attr,
1561         &target_stat_scsi_auth_intr_dev_or_port.attr,
1562         &target_stat_scsi_auth_intr_intr_name.attr,
1563         &target_stat_scsi_auth_intr_map_indx.attr,
1564         &target_stat_scsi_auth_intr_att_count.attr,
1565         &target_stat_scsi_auth_intr_num_cmds.attr,
1566         &target_stat_scsi_auth_intr_read_mbytes.attr,
1567         &target_stat_scsi_auth_intr_write_mbytes.attr,
1568         &target_stat_scsi_auth_intr_hs_num_cmds.attr,
1569         &target_stat_scsi_auth_intr_creation_time.attr,
1570         &target_stat_scsi_auth_intr_row_status.attr,
1571         NULL,
1572 };
1573
1574 static struct configfs_item_operations target_stat_scsi_auth_intr_attrib_ops = {
1575         .show_attribute         = target_stat_scsi_auth_intr_attr_show,
1576         .store_attribute        = target_stat_scsi_auth_intr_attr_store,
1577 };
1578
1579 static struct config_item_type target_stat_scsi_auth_intr_cit = {
1580         .ct_item_ops            = &target_stat_scsi_auth_intr_attrib_ops,
1581         .ct_attrs               = target_stat_scsi_auth_intr_attrs,
1582         .ct_owner               = THIS_MODULE,
1583 };
1584
1585 /*
1586  * SCSI Attached Initiator Port Table
1587  */
1588
1589 CONFIGFS_EATTR_STRUCT(target_stat_scsi_att_intr_port, se_ml_stat_grps);
1590 #define DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR(_name, _mode)                 \
1591 static struct target_stat_scsi_att_intr_port_attribute                  \
1592                 target_stat_scsi_att_intr_port_##_name =                \
1593         __CONFIGFS_EATTR(_name, _mode,                                  \
1594         target_stat_scsi_att_intr_port_show_attr_##_name,               \
1595         target_stat_scsi_att_intr_port_store_attr_##_name);
1596
1597 #define DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR_RO(_name)                     \
1598 static struct target_stat_scsi_att_intr_port_attribute                  \
1599                 target_stat_scsi_att_intr_port_##_name =                \
1600         __CONFIGFS_EATTR_RO(_name,                                      \
1601         target_stat_scsi_att_intr_port_show_attr_##_name);
1602
1603 static ssize_t target_stat_scsi_att_intr_port_show_attr_inst(
1604         struct se_ml_stat_grps *lgrps, char *page)
1605 {
1606         struct se_lun_acl *lacl = container_of(lgrps,
1607                         struct se_lun_acl, ml_stat_grps);
1608         struct se_node_acl *nacl = lacl->se_lun_nacl;
1609         struct se_dev_entry *deve;
1610         struct se_portal_group *tpg;
1611         ssize_t ret;
1612
1613         spin_lock_irq(&nacl->device_list_lock);
1614         deve = nacl->device_list[lacl->mapped_lun];
1615         if (!deve->se_lun || !deve->se_lun_acl) {
1616                 spin_unlock_irq(&nacl->device_list_lock);
1617                 return -ENODEV;
1618         }
1619         tpg = nacl->se_tpg;
1620         /* scsiInstIndex */
1621         ret = snprintf(page, PAGE_SIZE, "%u\n",
1622                         tpg->se_tpg_tfo->tpg_get_inst_index(tpg));
1623         spin_unlock_irq(&nacl->device_list_lock);
1624         return ret;
1625 }
1626 DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR_RO(inst);
1627
1628 static ssize_t target_stat_scsi_att_intr_port_show_attr_dev(
1629         struct se_ml_stat_grps *lgrps, char *page)
1630 {
1631         struct se_lun_acl *lacl = container_of(lgrps,
1632                         struct se_lun_acl, ml_stat_grps);
1633         struct se_node_acl *nacl = lacl->se_lun_nacl;
1634         struct se_dev_entry *deve;
1635         struct se_lun *lun;
1636         ssize_t ret;
1637
1638         spin_lock_irq(&nacl->device_list_lock);
1639         deve = nacl->device_list[lacl->mapped_lun];
1640         if (!deve->se_lun || !deve->se_lun_acl) {
1641                 spin_unlock_irq(&nacl->device_list_lock);
1642                 return -ENODEV;
1643         }
1644         lun = deve->se_lun;
1645         /* scsiDeviceIndex */
1646         ret = snprintf(page, PAGE_SIZE, "%u\n", lun->lun_se_dev->dev_index);
1647         spin_unlock_irq(&nacl->device_list_lock);
1648         return ret;
1649 }
1650 DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR_RO(dev);
1651
1652 static ssize_t target_stat_scsi_att_intr_port_show_attr_port(
1653         struct se_ml_stat_grps *lgrps, char *page)
1654 {
1655         struct se_lun_acl *lacl = container_of(lgrps,
1656                         struct se_lun_acl, ml_stat_grps);
1657         struct se_node_acl *nacl = lacl->se_lun_nacl;
1658         struct se_dev_entry *deve;
1659         struct se_portal_group *tpg;
1660         ssize_t ret;
1661
1662         spin_lock_irq(&nacl->device_list_lock);
1663         deve = nacl->device_list[lacl->mapped_lun];
1664         if (!deve->se_lun || !deve->se_lun_acl) {
1665                 spin_unlock_irq(&nacl->device_list_lock);
1666                 return -ENODEV;
1667         }
1668         tpg = nacl->se_tpg;
1669         /* scsiPortIndex */
1670         ret = snprintf(page, PAGE_SIZE, "%u\n", tpg->se_tpg_tfo->tpg_get_tag(tpg));
1671         spin_unlock_irq(&nacl->device_list_lock);
1672         return ret;
1673 }
1674 DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR_RO(port);
1675
1676 static ssize_t target_stat_scsi_att_intr_port_show_attr_indx(
1677         struct se_ml_stat_grps *lgrps, char *page)
1678 {
1679         struct se_lun_acl *lacl = container_of(lgrps,
1680                         struct se_lun_acl, ml_stat_grps);
1681         struct se_node_acl *nacl = lacl->se_lun_nacl;
1682         struct se_session *se_sess;
1683         struct se_portal_group *tpg;
1684         ssize_t ret;
1685
1686         spin_lock_irq(&nacl->nacl_sess_lock);
1687         se_sess = nacl->nacl_sess;
1688         if (!se_sess) {
1689                 spin_unlock_irq(&nacl->nacl_sess_lock);
1690                 return -ENODEV;
1691         }
1692
1693         tpg = nacl->se_tpg;
1694         /* scsiAttIntrPortIndex */
1695         ret = snprintf(page, PAGE_SIZE, "%u\n",
1696                         tpg->se_tpg_tfo->sess_get_index(se_sess));
1697         spin_unlock_irq(&nacl->nacl_sess_lock);
1698         return ret;
1699 }
1700 DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR_RO(indx);
1701
1702 static ssize_t target_stat_scsi_att_intr_port_show_attr_port_auth_indx(
1703         struct se_ml_stat_grps *lgrps, char *page)
1704 {
1705         struct se_lun_acl *lacl = container_of(lgrps,
1706                         struct se_lun_acl, ml_stat_grps);
1707         struct se_node_acl *nacl = lacl->se_lun_nacl;
1708         struct se_dev_entry *deve;
1709         ssize_t ret;
1710
1711         spin_lock_irq(&nacl->device_list_lock);
1712         deve = nacl->device_list[lacl->mapped_lun];
1713         if (!deve->se_lun || !deve->se_lun_acl) {
1714                 spin_unlock_irq(&nacl->device_list_lock);
1715                 return -ENODEV;
1716         }
1717         /* scsiAttIntrPortAuthIntrIdx */
1718         ret = snprintf(page, PAGE_SIZE, "%u\n", nacl->acl_index);
1719         spin_unlock_irq(&nacl->device_list_lock);
1720         return ret;
1721 }
1722 DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR_RO(port_auth_indx);
1723
1724 static ssize_t target_stat_scsi_att_intr_port_show_attr_port_ident(
1725         struct se_ml_stat_grps *lgrps, char *page)
1726 {
1727         struct se_lun_acl *lacl = container_of(lgrps,
1728                         struct se_lun_acl, ml_stat_grps);
1729         struct se_node_acl *nacl = lacl->se_lun_nacl;
1730         struct se_session *se_sess;
1731         struct se_portal_group *tpg;
1732         ssize_t ret;
1733         unsigned char buf[64];
1734
1735         spin_lock_irq(&nacl->nacl_sess_lock);
1736         se_sess = nacl->nacl_sess;
1737         if (!se_sess) {
1738                 spin_unlock_irq(&nacl->nacl_sess_lock);
1739                 return -ENODEV;
1740         }
1741
1742         tpg = nacl->se_tpg;
1743         /* scsiAttIntrPortName+scsiAttIntrPortIdentifier */
1744         memset(buf, 0, 64);
1745         if (tpg->se_tpg_tfo->sess_get_initiator_sid != NULL)
1746                 tpg->se_tpg_tfo->sess_get_initiator_sid(se_sess, buf, 64);
1747
1748         ret = snprintf(page, PAGE_SIZE, "%s+i+%s\n", nacl->initiatorname, buf);
1749         spin_unlock_irq(&nacl->nacl_sess_lock);
1750         return ret;
1751 }
1752 DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR_RO(port_ident);
1753
1754 CONFIGFS_EATTR_OPS(target_stat_scsi_att_intr_port, se_ml_stat_grps,
1755                 scsi_att_intr_port_group);
1756
1757 static struct configfs_attribute *target_stat_scsi_ath_intr_port_attrs[] = {
1758         &target_stat_scsi_att_intr_port_inst.attr,
1759         &target_stat_scsi_att_intr_port_dev.attr,
1760         &target_stat_scsi_att_intr_port_port.attr,
1761         &target_stat_scsi_att_intr_port_indx.attr,
1762         &target_stat_scsi_att_intr_port_port_auth_indx.attr,
1763         &target_stat_scsi_att_intr_port_port_ident.attr,
1764         NULL,
1765 };
1766
1767 static struct configfs_item_operations target_stat_scsi_att_intr_port_attrib_ops = {
1768         .show_attribute         = target_stat_scsi_att_intr_port_attr_show,
1769         .store_attribute        = target_stat_scsi_att_intr_port_attr_store,
1770 };
1771
1772 static struct config_item_type target_stat_scsi_att_intr_port_cit = {
1773         .ct_item_ops            = &target_stat_scsi_att_intr_port_attrib_ops,
1774         .ct_attrs               = target_stat_scsi_ath_intr_port_attrs,
1775         .ct_owner               = THIS_MODULE,
1776 };
1777
1778 /*
1779  * Called from target_core_fabric_configfs.c:target_fabric_make_mappedlun() to setup
1780  * the target MappedLUN statistics groups + configfs CITs located in target_core_stat.c
1781  */
1782 void target_stat_setup_mappedlun_default_groups(struct se_lun_acl *lacl)
1783 {
1784         struct config_group *ml_stat_grp = &lacl->ml_stat_grps.stat_group;
1785
1786         config_group_init_type_name(&lacl->ml_stat_grps.scsi_auth_intr_group,
1787                         "scsi_auth_intr", &target_stat_scsi_auth_intr_cit);
1788         config_group_init_type_name(&lacl->ml_stat_grps.scsi_att_intr_port_group,
1789                         "scsi_att_intr_port", &target_stat_scsi_att_intr_port_cit);
1790
1791         ml_stat_grp->default_groups[0] = &lacl->ml_stat_grps.scsi_auth_intr_group;
1792         ml_stat_grp->default_groups[1] = &lacl->ml_stat_grps.scsi_att_intr_port_group;
1793         ml_stat_grp->default_groups[2] = NULL;
1794 }