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