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 }