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_transport.h>
  47 #include <target/target_core_fabric_ops.h>
  48 #include <target/target_core_configfs.h>
  49 #include <target/configfs_macros.h>
  50
  51 #include "target_core_hba.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         struct se_portal_group *tpg;
 958         ssize_t ret;
 959
 960         spin_lock(&lun->lun_sep_lock);
 961         sep = lun->lun_sep;
 962         if (!sep) {
 963                 spin_unlock(&lun->lun_sep_lock);
 964                 return -ENODEV;
 965         }
 966         tpg = sep->sep_tpg;
 967
 968         ret = snprintf(page, PAGE_SIZE, "%llu\n", sep->sep_stats.cmd_pdus);
 969         spin_unlock(&lun->lun_sep_lock);
 970         return ret;
 971 }
 972 DEV_STAT_SCSI_TGT_PORT_ATTR_RO(in_cmds);
 973
 974 static ssize_t target_stat_scsi_tgt_port_show_attr_write_mbytes(
 975         struct se_port_stat_grps *pgrps, char *page)
 976 {
 977         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
 978         struct se_port *sep;
 979         struct se_portal_group *tpg;
 980         ssize_t ret;
 981
 982         spin_lock(&lun->lun_sep_lock);
 983         sep = lun->lun_sep;
 984         if (!sep) {
 985                 spin_unlock(&lun->lun_sep_lock);
 986                 return -ENODEV;
 987         }
 988         tpg = sep->sep_tpg;
 989
 990         ret = snprintf(page, PAGE_SIZE, "%u\n",
 991                         (u32)(sep->sep_stats.rx_data_octets >> 20));
 992         spin_unlock(&lun->lun_sep_lock);
 993         return ret;
 994 }
 995 DEV_STAT_SCSI_TGT_PORT_ATTR_RO(write_mbytes);
 996
 997 static ssize_t target_stat_scsi_tgt_port_show_attr_read_mbytes(
 998         struct se_port_stat_grps *pgrps, char *page)
 999 {
1000         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
1001         struct se_port *sep;
1002         struct se_portal_group *tpg;
1003         ssize_t ret;
1004
1005         spin_lock(&lun->lun_sep_lock);
1006         sep = lun->lun_sep;
1007         if (!sep) {
1008                 spin_unlock(&lun->lun_sep_lock);
1009                 return -ENODEV;
1010         }
1011         tpg = sep->sep_tpg;
1012
1013         ret = snprintf(page, PAGE_SIZE, "%u\n",
1014                         (u32)(sep->sep_stats.tx_data_octets >> 20));
1015         spin_unlock(&lun->lun_sep_lock);
1016         return ret;
1017 }
1018 DEV_STAT_SCSI_TGT_PORT_ATTR_RO(read_mbytes);
1019
1020 static ssize_t target_stat_scsi_tgt_port_show_attr_hs_in_cmds(
1021         struct se_port_stat_grps *pgrps, char *page)
1022 {
1023         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
1024         struct se_port *sep;
1025         struct se_portal_group *tpg;
1026         ssize_t ret;
1027
1028         spin_lock(&lun->lun_sep_lock);
1029         sep = lun->lun_sep;
1030         if (!sep) {
1031                 spin_unlock(&lun->lun_sep_lock);
1032                 return -ENODEV;
1033         }
1034         tpg = sep->sep_tpg;
1035
1036         /* FIXME: scsiTgtPortHsInCommands */
1037         ret = snprintf(page, PAGE_SIZE, "%u\n", 0);
1038         spin_unlock(&lun->lun_sep_lock);
1039         return ret;
1040 }
1041 DEV_STAT_SCSI_TGT_PORT_ATTR_RO(hs_in_cmds);
1042
1043 CONFIGFS_EATTR_OPS(target_stat_scsi_tgt_port, se_port_stat_grps,
1044                 scsi_tgt_port_group);
1045
1046 static struct configfs_attribute *target_stat_scsi_tgt_port_attrs[] = {
1047         &target_stat_scsi_tgt_port_inst.attr,
1048         &target_stat_scsi_tgt_port_dev.attr,
1049         &target_stat_scsi_tgt_port_indx.attr,
1050         &target_stat_scsi_tgt_port_name.attr,
1051         &target_stat_scsi_tgt_port_port_index.attr,
1052         &target_stat_scsi_tgt_port_in_cmds.attr,
1053         &target_stat_scsi_tgt_port_write_mbytes.attr,
1054         &target_stat_scsi_tgt_port_read_mbytes.attr,
1055         &target_stat_scsi_tgt_port_hs_in_cmds.attr,
1056         NULL,
1057 };
1058
1059 static struct configfs_item_operations target_stat_scsi_tgt_port_attrib_ops = {
1060         .show_attribute         = target_stat_scsi_tgt_port_attr_show,
1061         .store_attribute        = target_stat_scsi_tgt_port_attr_store,
1062 };
1063
1064 static struct config_item_type target_stat_scsi_tgt_port_cit = {
1065         .ct_item_ops            = &target_stat_scsi_tgt_port_attrib_ops,
1066         .ct_attrs               = target_stat_scsi_tgt_port_attrs,
1067         .ct_owner               = THIS_MODULE,
1068 };
1069
1070 /*
1071  * SCSI Transport Table
1072 o */
1073
1074 CONFIGFS_EATTR_STRUCT(target_stat_scsi_transport, se_port_stat_grps);
1075 #define DEV_STAT_SCSI_TRANSPORT_ATTR(_name, _mode)                      \
1076 static struct target_stat_scsi_transport_attribute                      \
1077                         target_stat_scsi_transport_##_name =            \
1078         __CONFIGFS_EATTR(_name, _mode,                                  \
1079         target_stat_scsi_transport_show_attr_##_name,                   \
1080         target_stat_scsi_transport_store_attr_##_name);
1081
1082 #define DEV_STAT_SCSI_TRANSPORT_ATTR_RO(_name)                          \
1083 static struct target_stat_scsi_transport_attribute                      \
1084                         target_stat_scsi_transport_##_name =            \
1085         __CONFIGFS_EATTR_RO(_name,                                      \
1086         target_stat_scsi_transport_show_attr_##_name);
1087
1088 static ssize_t target_stat_scsi_transport_show_attr_inst(
1089         struct se_port_stat_grps *pgrps, char *page)
1090 {
1091         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
1092         struct se_device *dev = lun->lun_se_dev;
1093         struct se_port *sep;
1094         struct se_hba *hba;
1095         ssize_t ret;
1096
1097         spin_lock(&lun->lun_sep_lock);
1098         sep = lun->lun_sep;
1099         if (!sep) {
1100                 spin_unlock(&lun->lun_sep_lock);
1101                 return -ENODEV;
1102         }
1103
1104         hba = dev->se_hba;
1105         ret = snprintf(page, PAGE_SIZE, "%u\n", hba->hba_index);
1106         spin_unlock(&lun->lun_sep_lock);
1107         return ret;
1108 }
1109 DEV_STAT_SCSI_TRANSPORT_ATTR_RO(inst);
1110
1111 static ssize_t target_stat_scsi_transport_show_attr_device(
1112         struct se_port_stat_grps *pgrps, char *page)
1113 {
1114         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
1115         struct se_port *sep;
1116         struct se_portal_group *tpg;
1117         ssize_t ret;
1118
1119         spin_lock(&lun->lun_sep_lock);
1120         sep = lun->lun_sep;
1121         if (!sep) {
1122                 spin_unlock(&lun->lun_sep_lock);
1123                 return -ENODEV;
1124         }
1125         tpg = sep->sep_tpg;
1126         /* scsiTransportType */
1127         ret = snprintf(page, PAGE_SIZE, "scsiTransport%s\n",
1128                         tpg->se_tpg_tfo->get_fabric_name());
1129         spin_unlock(&lun->lun_sep_lock);
1130         return ret;
1131 }
1132 DEV_STAT_SCSI_TRANSPORT_ATTR_RO(device);
1133
1134 static ssize_t target_stat_scsi_transport_show_attr_indx(
1135         struct se_port_stat_grps *pgrps, char *page)
1136 {
1137         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
1138         struct se_port *sep;
1139         struct se_portal_group *tpg;
1140         ssize_t ret;
1141
1142         spin_lock(&lun->lun_sep_lock);
1143         sep = lun->lun_sep;
1144         if (!sep) {
1145                 spin_unlock(&lun->lun_sep_lock);
1146                 return -ENODEV;
1147         }
1148         tpg = sep->sep_tpg;
1149         ret = snprintf(page, PAGE_SIZE, "%u\n",
1150                         tpg->se_tpg_tfo->tpg_get_inst_index(tpg));
1151         spin_unlock(&lun->lun_sep_lock);
1152         return ret;
1153 }
1154 DEV_STAT_SCSI_TRANSPORT_ATTR_RO(indx);
1155
1156 static ssize_t target_stat_scsi_transport_show_attr_dev_name(
1157         struct se_port_stat_grps *pgrps, char *page)
1158 {
1159         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
1160         struct se_device *dev = lun->lun_se_dev;
1161         struct se_port *sep;
1162         struct se_portal_group *tpg;
1163         struct t10_wwn *wwn;
1164         ssize_t ret;
1165
1166         spin_lock(&lun->lun_sep_lock);
1167         sep = lun->lun_sep;
1168         if (!sep) {
1169                 spin_unlock(&lun->lun_sep_lock);
1170                 return -ENODEV;
1171         }
1172         tpg = sep->sep_tpg;
1173         wwn = &dev->se_sub_dev->t10_wwn;
1174         /* scsiTransportDevName */
1175         ret = snprintf(page, PAGE_SIZE, "%s+%s\n",
1176                         tpg->se_tpg_tfo->tpg_get_wwn(tpg),
1177                         (strlen(wwn->unit_serial)) ? wwn->unit_serial :
1178                         wwn->vendor);
1179         spin_unlock(&lun->lun_sep_lock);
1180         return ret;
1181 }
1182 DEV_STAT_SCSI_TRANSPORT_ATTR_RO(dev_name);
1183
1184 CONFIGFS_EATTR_OPS(target_stat_scsi_transport, se_port_stat_grps,
1185                 scsi_transport_group);
1186
1187 static struct configfs_attribute *target_stat_scsi_transport_attrs[] = {
1188         &target_stat_scsi_transport_inst.attr,
1189         &target_stat_scsi_transport_device.attr,
1190         &target_stat_scsi_transport_indx.attr,
1191         &target_stat_scsi_transport_dev_name.attr,
1192         NULL,
1193 };
1194
1195 static struct configfs_item_operations target_stat_scsi_transport_attrib_ops = {
1196         .show_attribute         = target_stat_scsi_transport_attr_show,
1197         .store_attribute        = target_stat_scsi_transport_attr_store,
1198 };
1199
1200 static struct config_item_type target_stat_scsi_transport_cit = {
1201         .ct_item_ops            = &target_stat_scsi_transport_attrib_ops,
1202         .ct_attrs               = target_stat_scsi_transport_attrs,
1203         .ct_owner               = THIS_MODULE,
1204 };
1205
1206 /*
1207  * Called from target_core_fabric_configfs.c:target_fabric_make_lun() to setup
1208  * the target port statistics groups + configfs CITs located in target_core_stat.c
1209  */
1210 void target_stat_setup_port_default_groups(struct se_lun *lun)
1211 {
1212         struct config_group *port_stat_grp = &lun->port_stat_grps.stat_group;
1213
1214         config_group_init_type_name(&lun->port_stat_grps.scsi_port_group,
1215                         "scsi_port", &target_stat_scsi_port_cit);
1216         config_group_init_type_name(&lun->port_stat_grps.scsi_tgt_port_group,
1217                         "scsi_tgt_port", &target_stat_scsi_tgt_port_cit);
1218         config_group_init_type_name(&lun->port_stat_grps.scsi_transport_group,
1219                         "scsi_transport", &target_stat_scsi_transport_cit);
1220
1221         port_stat_grp->default_groups[0] = &lun->port_stat_grps.scsi_port_group;
1222         port_stat_grp->default_groups[1] = &lun->port_stat_grps.scsi_tgt_port_group;
1223         port_stat_grp->default_groups[2] = &lun->port_stat_grps.scsi_transport_group;
1224         port_stat_grp->default_groups[3] = NULL;
1225 }
1226
1227 /*
1228  * SCSI Authorized Initiator Table
1229  */
1230
1231 CONFIGFS_EATTR_STRUCT(target_stat_scsi_auth_intr, se_ml_stat_grps);
1232 #define DEV_STAT_SCSI_AUTH_INTR_ATTR(_name, _mode)                      \
1233 static struct target_stat_scsi_auth_intr_attribute                      \
1234                         target_stat_scsi_auth_intr_##_name =            \
1235         __CONFIGFS_EATTR(_name, _mode,                                  \
1236         target_stat_scsi_auth_intr_show_attr_##_name,                   \
1237         target_stat_scsi_auth_intr_store_attr_##_name);
1238
1239 #define DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(_name)                          \
1240 static struct target_stat_scsi_auth_intr_attribute                      \
1241                         target_stat_scsi_auth_intr_##_name =            \
1242         __CONFIGFS_EATTR_RO(_name,                                      \
1243         target_stat_scsi_auth_intr_show_attr_##_name);
1244
1245 static ssize_t target_stat_scsi_auth_intr_show_attr_inst(
1246         struct se_ml_stat_grps *lgrps, char *page)
1247 {
1248         struct se_lun_acl *lacl = container_of(lgrps,
1249                         struct se_lun_acl, ml_stat_grps);
1250         struct se_node_acl *nacl = lacl->se_lun_nacl;
1251         struct se_dev_entry *deve;
1252         struct se_portal_group *tpg;
1253         ssize_t ret;
1254
1255         spin_lock_irq(&nacl->device_list_lock);
1256         deve = &nacl->device_list[lacl->mapped_lun];
1257         if (!deve->se_lun || !deve->se_lun_acl) {
1258                 spin_unlock_irq(&nacl->device_list_lock);
1259                 return -ENODEV;
1260         }
1261         tpg = nacl->se_tpg;
1262         /* scsiInstIndex */
1263         ret = snprintf(page, PAGE_SIZE, "%u\n",
1264                         tpg->se_tpg_tfo->tpg_get_inst_index(tpg));
1265         spin_unlock_irq(&nacl->device_list_lock);
1266         return ret;
1267 }
1268 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(inst);
1269
1270 static ssize_t target_stat_scsi_auth_intr_show_attr_dev(
1271         struct se_ml_stat_grps *lgrps, char *page)
1272 {
1273         struct se_lun_acl *lacl = container_of(lgrps,
1274                         struct se_lun_acl, ml_stat_grps);
1275         struct se_node_acl *nacl = lacl->se_lun_nacl;
1276         struct se_dev_entry *deve;
1277         struct se_lun *lun;
1278         struct se_portal_group *tpg;
1279         ssize_t ret;
1280
1281         spin_lock_irq(&nacl->device_list_lock);
1282         deve = &nacl->device_list[lacl->mapped_lun];
1283         if (!deve->se_lun || !deve->se_lun_acl) {
1284                 spin_unlock_irq(&nacl->device_list_lock);
1285                 return -ENODEV;
1286         }
1287         tpg = nacl->se_tpg;
1288         lun = deve->se_lun;
1289         /* scsiDeviceIndex */
1290         ret = snprintf(page, PAGE_SIZE, "%u\n", lun->lun_se_dev->dev_index);
1291         spin_unlock_irq(&nacl->device_list_lock);
1292         return ret;
1293 }
1294 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(dev);
1295
1296 static ssize_t target_stat_scsi_auth_intr_show_attr_port(
1297         struct se_ml_stat_grps *lgrps, char *page)
1298 {
1299         struct se_lun_acl *lacl = container_of(lgrps,
1300                         struct se_lun_acl, ml_stat_grps);
1301         struct se_node_acl *nacl = lacl->se_lun_nacl;
1302         struct se_dev_entry *deve;
1303         struct se_portal_group *tpg;
1304         ssize_t ret;
1305
1306         spin_lock_irq(&nacl->device_list_lock);
1307         deve = &nacl->device_list[lacl->mapped_lun];
1308         if (!deve->se_lun || !deve->se_lun_acl) {
1309                 spin_unlock_irq(&nacl->device_list_lock);
1310                 return -ENODEV;
1311         }
1312         tpg = nacl->se_tpg;
1313         /* scsiAuthIntrTgtPortIndex */
1314         ret = snprintf(page, PAGE_SIZE, "%u\n", tpg->se_tpg_tfo->tpg_get_tag(tpg));
1315         spin_unlock_irq(&nacl->device_list_lock);
1316         return ret;
1317 }
1318 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(port);
1319
1320 static ssize_t target_stat_scsi_auth_intr_show_attr_indx(
1321         struct se_ml_stat_grps *lgrps, char *page)
1322 {
1323         struct se_lun_acl *lacl = container_of(lgrps,
1324                         struct se_lun_acl, ml_stat_grps);
1325         struct se_node_acl *nacl = lacl->se_lun_nacl;
1326         struct se_dev_entry *deve;
1327         ssize_t ret;
1328
1329         spin_lock_irq(&nacl->device_list_lock);
1330         deve = &nacl->device_list[lacl->mapped_lun];
1331         if (!deve->se_lun || !deve->se_lun_acl) {
1332                 spin_unlock_irq(&nacl->device_list_lock);
1333                 return -ENODEV;
1334         }
1335         /* scsiAuthIntrIndex */
1336         ret = snprintf(page, PAGE_SIZE, "%u\n", nacl->acl_index);
1337         spin_unlock_irq(&nacl->device_list_lock);
1338         return ret;
1339 }
1340 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(indx);
1341
1342 static ssize_t target_stat_scsi_auth_intr_show_attr_dev_or_port(
1343         struct se_ml_stat_grps *lgrps, char *page)
1344 {
1345         struct se_lun_acl *lacl = container_of(lgrps,
1346                         struct se_lun_acl, ml_stat_grps);
1347         struct se_node_acl *nacl = lacl->se_lun_nacl;
1348         struct se_dev_entry *deve;
1349         ssize_t ret;
1350
1351         spin_lock_irq(&nacl->device_list_lock);
1352         deve = &nacl->device_list[lacl->mapped_lun];
1353         if (!deve->se_lun || !deve->se_lun_acl) {
1354                 spin_unlock_irq(&nacl->device_list_lock);
1355                 return -ENODEV;
1356         }
1357         /* scsiAuthIntrDevOrPort */
1358         ret = snprintf(page, PAGE_SIZE, "%u\n", 1);
1359         spin_unlock_irq(&nacl->device_list_lock);
1360         return ret;
1361 }
1362 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(dev_or_port);
1363
1364 static ssize_t target_stat_scsi_auth_intr_show_attr_intr_name(
1365         struct se_ml_stat_grps *lgrps, char *page)
1366 {
1367         struct se_lun_acl *lacl = container_of(lgrps,
1368                         struct se_lun_acl, ml_stat_grps);
1369         struct se_node_acl *nacl = lacl->se_lun_nacl;
1370         struct se_dev_entry *deve;
1371         ssize_t ret;
1372
1373         spin_lock_irq(&nacl->device_list_lock);
1374         deve = &nacl->device_list[lacl->mapped_lun];
1375         if (!deve->se_lun || !deve->se_lun_acl) {
1376                 spin_unlock_irq(&nacl->device_list_lock);
1377                 return -ENODEV;
1378         }
1379         /* scsiAuthIntrName */
1380         ret = snprintf(page, PAGE_SIZE, "%s\n", nacl->initiatorname);
1381         spin_unlock_irq(&nacl->device_list_lock);
1382         return ret;
1383 }
1384 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(intr_name);
1385
1386 static ssize_t target_stat_scsi_auth_intr_show_attr_map_indx(
1387         struct se_ml_stat_grps *lgrps, char *page)
1388 {
1389         struct se_lun_acl *lacl = container_of(lgrps,
1390                         struct se_lun_acl, ml_stat_grps);
1391         struct se_node_acl *nacl = lacl->se_lun_nacl;
1392         struct se_dev_entry *deve;
1393         ssize_t ret;
1394
1395         spin_lock_irq(&nacl->device_list_lock);
1396         deve = &nacl->device_list[lacl->mapped_lun];
1397         if (!deve->se_lun || !deve->se_lun_acl) {
1398                 spin_unlock_irq(&nacl->device_list_lock);
1399                 return -ENODEV;
1400         }
1401         /* FIXME: scsiAuthIntrLunMapIndex */
1402         ret = snprintf(page, PAGE_SIZE, "%u\n", 0);
1403         spin_unlock_irq(&nacl->device_list_lock);
1404         return ret;
1405 }
1406 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(map_indx);
1407
1408 static ssize_t target_stat_scsi_auth_intr_show_attr_att_count(
1409         struct se_ml_stat_grps *lgrps, char *page)
1410 {
1411         struct se_lun_acl *lacl = container_of(lgrps,
1412                         struct se_lun_acl, ml_stat_grps);
1413         struct se_node_acl *nacl = lacl->se_lun_nacl;
1414         struct se_dev_entry *deve;
1415         ssize_t ret;
1416
1417         spin_lock_irq(&nacl->device_list_lock);
1418         deve = &nacl->device_list[lacl->mapped_lun];
1419         if (!deve->se_lun || !deve->se_lun_acl) {
1420                 spin_unlock_irq(&nacl->device_list_lock);
1421                 return -ENODEV;
1422         }
1423         /* scsiAuthIntrAttachedTimes */
1424         ret = snprintf(page, PAGE_SIZE, "%u\n", deve->attach_count);
1425         spin_unlock_irq(&nacl->device_list_lock);
1426         return ret;
1427 }
1428 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(att_count);
1429
1430 static ssize_t target_stat_scsi_auth_intr_show_attr_num_cmds(
1431         struct se_ml_stat_grps *lgrps, char *page)
1432 {
1433         struct se_lun_acl *lacl = container_of(lgrps,
1434                         struct se_lun_acl, ml_stat_grps);
1435         struct se_node_acl *nacl = lacl->se_lun_nacl;
1436         struct se_dev_entry *deve;
1437         ssize_t ret;
1438
1439         spin_lock_irq(&nacl->device_list_lock);
1440         deve = &nacl->device_list[lacl->mapped_lun];
1441         if (!deve->se_lun || !deve->se_lun_acl) {
1442                 spin_unlock_irq(&nacl->device_list_lock);
1443                 return -ENODEV;
1444         }
1445         /* scsiAuthIntrOutCommands */
1446         ret = snprintf(page, PAGE_SIZE, "%u\n", deve->total_cmds);
1447         spin_unlock_irq(&nacl->device_list_lock);
1448         return ret;
1449 }
1450 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(num_cmds);
1451
1452 static ssize_t target_stat_scsi_auth_intr_show_attr_read_mbytes(
1453         struct se_ml_stat_grps *lgrps, char *page)
1454 {
1455         struct se_lun_acl *lacl = container_of(lgrps,
1456                         struct se_lun_acl, ml_stat_grps);
1457         struct se_node_acl *nacl = lacl->se_lun_nacl;
1458         struct se_dev_entry *deve;
1459         ssize_t ret;
1460
1461         spin_lock_irq(&nacl->device_list_lock);
1462         deve = &nacl->device_list[lacl->mapped_lun];
1463         if (!deve->se_lun || !deve->se_lun_acl) {
1464                 spin_unlock_irq(&nacl->device_list_lock);
1465                 return -ENODEV;
1466         }
1467         /* scsiAuthIntrReadMegaBytes */
1468         ret = snprintf(page, PAGE_SIZE, "%u\n", (u32)(deve->read_bytes >> 20));
1469         spin_unlock_irq(&nacl->device_list_lock);
1470         return ret;
1471 }
1472 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(read_mbytes);
1473
1474 static ssize_t target_stat_scsi_auth_intr_show_attr_write_mbytes(
1475         struct se_ml_stat_grps *lgrps, char *page)
1476 {
1477         struct se_lun_acl *lacl = container_of(lgrps,
1478                         struct se_lun_acl, ml_stat_grps);
1479         struct se_node_acl *nacl = lacl->se_lun_nacl;
1480         struct se_dev_entry *deve;
1481         ssize_t ret;
1482
1483         spin_lock_irq(&nacl->device_list_lock);
1484         deve = &nacl->device_list[lacl->mapped_lun];
1485         if (!deve->se_lun || !deve->se_lun_acl) {
1486                 spin_unlock_irq(&nacl->device_list_lock);
1487                 return -ENODEV;
1488         }
1489         /* scsiAuthIntrWrittenMegaBytes */
1490         ret = snprintf(page, PAGE_SIZE, "%u\n", (u32)(deve->write_bytes >> 20));
1491         spin_unlock_irq(&nacl->device_list_lock);
1492         return ret;
1493 }
1494 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(write_mbytes);
1495
1496 static ssize_t target_stat_scsi_auth_intr_show_attr_hs_num_cmds(
1497         struct se_ml_stat_grps *lgrps, char *page)
1498 {
1499         struct se_lun_acl *lacl = container_of(lgrps,
1500                         struct se_lun_acl, ml_stat_grps);
1501         struct se_node_acl *nacl = lacl->se_lun_nacl;
1502         struct se_dev_entry *deve;
1503         ssize_t ret;
1504
1505         spin_lock_irq(&nacl->device_list_lock);
1506         deve = &nacl->device_list[lacl->mapped_lun];
1507         if (!deve->se_lun || !deve->se_lun_acl) {
1508                 spin_unlock_irq(&nacl->device_list_lock);
1509                 return -ENODEV;
1510         }
1511         /* FIXME: scsiAuthIntrHSOutCommands */
1512         ret = snprintf(page, PAGE_SIZE, "%u\n", 0);
1513         spin_unlock_irq(&nacl->device_list_lock);
1514         return ret;
1515 }
1516 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(hs_num_cmds);
1517
1518 static ssize_t target_stat_scsi_auth_intr_show_attr_creation_time(
1519         struct se_ml_stat_grps *lgrps, char *page)
1520 {
1521         struct se_lun_acl *lacl = container_of(lgrps,
1522                         struct se_lun_acl, ml_stat_grps);
1523         struct se_node_acl *nacl = lacl->se_lun_nacl;
1524         struct se_dev_entry *deve;
1525         ssize_t ret;
1526
1527         spin_lock_irq(&nacl->device_list_lock);
1528         deve = &nacl->device_list[lacl->mapped_lun];
1529         if (!deve->se_lun || !deve->se_lun_acl) {
1530                 spin_unlock_irq(&nacl->device_list_lock);
1531                 return -ENODEV;
1532         }
1533         /* scsiAuthIntrLastCreation */
1534         ret = snprintf(page, PAGE_SIZE, "%u\n", (u32)(((u32)deve->creation_time -
1535                                 INITIAL_JIFFIES) * 100 / HZ));
1536         spin_unlock_irq(&nacl->device_list_lock);
1537         return ret;
1538 }
1539 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(creation_time);
1540
1541 static ssize_t target_stat_scsi_auth_intr_show_attr_row_status(
1542         struct se_ml_stat_grps *lgrps, char *page)
1543 {
1544         struct se_lun_acl *lacl = container_of(lgrps,
1545                         struct se_lun_acl, ml_stat_grps);
1546         struct se_node_acl *nacl = lacl->se_lun_nacl;
1547         struct se_dev_entry *deve;
1548         ssize_t ret;
1549
1550         spin_lock_irq(&nacl->device_list_lock);
1551         deve = &nacl->device_list[lacl->mapped_lun];
1552         if (!deve->se_lun || !deve->se_lun_acl) {
1553                 spin_unlock_irq(&nacl->device_list_lock);
1554                 return -ENODEV;
1555         }
1556         /* FIXME: scsiAuthIntrRowStatus */
1557         ret = snprintf(page, PAGE_SIZE, "Ready\n");
1558         spin_unlock_irq(&nacl->device_list_lock);
1559         return ret;
1560 }
1561 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(row_status);
1562
1563 CONFIGFS_EATTR_OPS(target_stat_scsi_auth_intr, se_ml_stat_grps,
1564                 scsi_auth_intr_group);
1565
1566 static struct configfs_attribute *target_stat_scsi_auth_intr_attrs[] = {
1567         &target_stat_scsi_auth_intr_inst.attr,
1568         &target_stat_scsi_auth_intr_dev.attr,
1569         &target_stat_scsi_auth_intr_port.attr,
1570         &target_stat_scsi_auth_intr_indx.attr,
1571         &target_stat_scsi_auth_intr_dev_or_port.attr,
1572         &target_stat_scsi_auth_intr_intr_name.attr,
1573         &target_stat_scsi_auth_intr_map_indx.attr,
1574         &target_stat_scsi_auth_intr_att_count.attr,
1575         &target_stat_scsi_auth_intr_num_cmds.attr,
1576         &target_stat_scsi_auth_intr_read_mbytes.attr,
1577         &target_stat_scsi_auth_intr_write_mbytes.attr,
1578         &target_stat_scsi_auth_intr_hs_num_cmds.attr,
1579         &target_stat_scsi_auth_intr_creation_time.attr,
1580         &target_stat_scsi_auth_intr_row_status.attr,
1581         NULL,
1582 };
1583
1584 static struct configfs_item_operations target_stat_scsi_auth_intr_attrib_ops = {
1585         .show_attribute         = target_stat_scsi_auth_intr_attr_show,
1586         .store_attribute        = target_stat_scsi_auth_intr_attr_store,
1587 };
1588
1589 static struct config_item_type target_stat_scsi_auth_intr_cit = {
1590         .ct_item_ops            = &target_stat_scsi_auth_intr_attrib_ops,
1591         .ct_attrs               = target_stat_scsi_auth_intr_attrs,
1592         .ct_owner               = THIS_MODULE,
1593 };
1594
1595 /*
1596  * SCSI Attached Initiator Port Table
1597  */
1598
1599 CONFIGFS_EATTR_STRUCT(target_stat_scsi_att_intr_port, se_ml_stat_grps);
1600 #define DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR(_name, _mode)                 \
1601 static struct target_stat_scsi_att_intr_port_attribute                  \
1602                 target_stat_scsi_att_intr_port_##_name =                \
1603         __CONFIGFS_EATTR(_name, _mode,                                  \
1604         target_stat_scsi_att_intr_port_show_attr_##_name,               \
1605         target_stat_scsi_att_intr_port_store_attr_##_name);
1606
1607 #define DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR_RO(_name)                     \
1608 static struct target_stat_scsi_att_intr_port_attribute                  \
1609                 target_stat_scsi_att_intr_port_##_name =                \
1610         __CONFIGFS_EATTR_RO(_name,                                      \
1611         target_stat_scsi_att_intr_port_show_attr_##_name);
1612
1613 static ssize_t target_stat_scsi_att_intr_port_show_attr_inst(
1614         struct se_ml_stat_grps *lgrps, char *page)
1615 {
1616         struct se_lun_acl *lacl = container_of(lgrps,
1617                         struct se_lun_acl, ml_stat_grps);
1618         struct se_node_acl *nacl = lacl->se_lun_nacl;
1619         struct se_dev_entry *deve;
1620         struct se_portal_group *tpg;
1621         ssize_t ret;
1622
1623         spin_lock_irq(&nacl->device_list_lock);
1624         deve = &nacl->device_list[lacl->mapped_lun];
1625         if (!deve->se_lun || !deve->se_lun_acl) {
1626                 spin_unlock_irq(&nacl->device_list_lock);
1627                 return -ENODEV;
1628         }
1629         tpg = nacl->se_tpg;
1630         /* scsiInstIndex */
1631         ret = snprintf(page, PAGE_SIZE, "%u\n",
1632                         tpg->se_tpg_tfo->tpg_get_inst_index(tpg));
1633         spin_unlock_irq(&nacl->device_list_lock);
1634         return ret;
1635 }
1636 DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR_RO(inst);
1637
1638 static ssize_t target_stat_scsi_att_intr_port_show_attr_dev(
1639         struct se_ml_stat_grps *lgrps, char *page)
1640 {
1641         struct se_lun_acl *lacl = container_of(lgrps,
1642                         struct se_lun_acl, ml_stat_grps);
1643         struct se_node_acl *nacl = lacl->se_lun_nacl;
1644         struct se_dev_entry *deve;
1645         struct se_lun *lun;
1646         struct se_portal_group *tpg;
1647         ssize_t ret;
1648
1649         spin_lock_irq(&nacl->device_list_lock);
1650         deve = &nacl->device_list[lacl->mapped_lun];
1651         if (!deve->se_lun || !deve->se_lun_acl) {
1652                 spin_unlock_irq(&nacl->device_list_lock);
1653                 return -ENODEV;
1654         }
1655         tpg = nacl->se_tpg;
1656         lun = deve->se_lun;
1657         /* scsiDeviceIndex */
1658         ret = snprintf(page, PAGE_SIZE, "%u\n", lun->lun_se_dev->dev_index);
1659         spin_unlock_irq(&nacl->device_list_lock);
1660         return ret;
1661 }
1662 DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR_RO(dev);
1663
1664 static ssize_t target_stat_scsi_att_intr_port_show_attr_port(
1665         struct se_ml_stat_grps *lgrps, char *page)
1666 {
1667         struct se_lun_acl *lacl = container_of(lgrps,
1668                         struct se_lun_acl, ml_stat_grps);
1669         struct se_node_acl *nacl = lacl->se_lun_nacl;
1670         struct se_dev_entry *deve;
1671         struct se_portal_group *tpg;
1672         ssize_t ret;
1673
1674         spin_lock_irq(&nacl->device_list_lock);
1675         deve = &nacl->device_list[lacl->mapped_lun];
1676         if (!deve->se_lun || !deve->se_lun_acl) {
1677                 spin_unlock_irq(&nacl->device_list_lock);
1678                 return -ENODEV;
1679         }
1680         tpg = nacl->se_tpg;
1681         /* scsiPortIndex */
1682         ret = snprintf(page, PAGE_SIZE, "%u\n", tpg->se_tpg_tfo->tpg_get_tag(tpg));
1683         spin_unlock_irq(&nacl->device_list_lock);
1684         return ret;
1685 }
1686 DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR_RO(port);
1687
1688 static ssize_t target_stat_scsi_att_intr_port_show_attr_indx(
1689         struct se_ml_stat_grps *lgrps, char *page)
1690 {
1691         struct se_lun_acl *lacl = container_of(lgrps,
1692                         struct se_lun_acl, ml_stat_grps);
1693         struct se_node_acl *nacl = lacl->se_lun_nacl;
1694         struct se_session *se_sess;
1695         struct se_portal_group *tpg;
1696         ssize_t ret;
1697
1698         spin_lock_irq(&nacl->nacl_sess_lock);
1699         se_sess = nacl->nacl_sess;
1700         if (!se_sess) {
1701                 spin_unlock_irq(&nacl->nacl_sess_lock);
1702                 return -ENODEV;
1703         }
1704
1705         tpg = nacl->se_tpg;
1706         /* scsiAttIntrPortIndex */
1707         ret = snprintf(page, PAGE_SIZE, "%u\n",
1708                         tpg->se_tpg_tfo->sess_get_index(se_sess));
1709         spin_unlock_irq(&nacl->nacl_sess_lock);
1710         return ret;
1711 }
1712 DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR_RO(indx);
1713
1714 static ssize_t target_stat_scsi_att_intr_port_show_attr_port_auth_indx(
1715         struct se_ml_stat_grps *lgrps, char *page)
1716 {
1717         struct se_lun_acl *lacl = container_of(lgrps,
1718                         struct se_lun_acl, ml_stat_grps);
1719         struct se_node_acl *nacl = lacl->se_lun_nacl;
1720         struct se_dev_entry *deve;
1721         ssize_t ret;
1722
1723         spin_lock_irq(&nacl->device_list_lock);
1724         deve = &nacl->device_list[lacl->mapped_lun];
1725         if (!deve->se_lun || !deve->se_lun_acl) {
1726                 spin_unlock_irq(&nacl->device_list_lock);
1727                 return -ENODEV;
1728         }
1729         /* scsiAttIntrPortAuthIntrIdx */
1730         ret = snprintf(page, PAGE_SIZE, "%u\n", nacl->acl_index);
1731         spin_unlock_irq(&nacl->device_list_lock);
1732         return ret;
1733 }
1734 DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR_RO(port_auth_indx);
1735
1736 static ssize_t target_stat_scsi_att_intr_port_show_attr_port_ident(
1737         struct se_ml_stat_grps *lgrps, char *page)
1738 {
1739         struct se_lun_acl *lacl = container_of(lgrps,
1740                         struct se_lun_acl, ml_stat_grps);
1741         struct se_node_acl *nacl = lacl->se_lun_nacl;
1742         struct se_session *se_sess;
1743         struct se_portal_group *tpg;
1744         ssize_t ret;
1745         unsigned char buf[64];
1746
1747         spin_lock_irq(&nacl->nacl_sess_lock);
1748         se_sess = nacl->nacl_sess;
1749         if (!se_sess) {
1750                 spin_unlock_irq(&nacl->nacl_sess_lock);
1751                 return -ENODEV;
1752         }
1753
1754         tpg = nacl->se_tpg;
1755         /* scsiAttIntrPortName+scsiAttIntrPortIdentifier */
1756         memset(buf, 0, 64);
1757         if (tpg->se_tpg_tfo->sess_get_initiator_sid != NULL)
1758                 tpg->se_tpg_tfo->sess_get_initiator_sid(se_sess,
1759                                 (unsigned char *)&buf[0], 64);
1760
1761         ret = snprintf(page, PAGE_SIZE, "%s+i+%s\n", nacl->initiatorname, buf);
1762         spin_unlock_irq(&nacl->nacl_sess_lock);
1763         return ret;
1764 }
1765 DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR_RO(port_ident);
1766
1767 CONFIGFS_EATTR_OPS(target_stat_scsi_att_intr_port, se_ml_stat_grps,
1768                 scsi_att_intr_port_group);
1769
1770 static struct configfs_attribute *target_stat_scsi_ath_intr_port_attrs[] = {
1771         &target_stat_scsi_att_intr_port_inst.attr,
1772         &target_stat_scsi_att_intr_port_dev.attr,
1773         &target_stat_scsi_att_intr_port_port.attr,
1774         &target_stat_scsi_att_intr_port_indx.attr,
1775         &target_stat_scsi_att_intr_port_port_auth_indx.attr,
1776         &target_stat_scsi_att_intr_port_port_ident.attr,
1777         NULL,
1778 };
1779
1780 static struct configfs_item_operations target_stat_scsi_att_intr_port_attrib_ops = {
1781         .show_attribute         = target_stat_scsi_att_intr_port_attr_show,
1782         .store_attribute        = target_stat_scsi_att_intr_port_attr_store,
1783 };
1784
1785 static struct config_item_type target_stat_scsi_att_intr_port_cit = {
1786         .ct_item_ops            = &target_stat_scsi_att_intr_port_attrib_ops,
1787         .ct_attrs               = target_stat_scsi_ath_intr_port_attrs,
1788         .ct_owner               = THIS_MODULE,
1789 };
1790
1791 /*
1792  * Called from target_core_fabric_configfs.c:target_fabric_make_mappedlun() to setup
1793  * the target MappedLUN statistics groups + configfs CITs located in target_core_stat.c
1794  */
1795 void target_stat_setup_mappedlun_default_groups(struct se_lun_acl *lacl)
1796 {
1797         struct config_group *ml_stat_grp = &lacl->ml_stat_grps.stat_group;
1798
1799         config_group_init_type_name(&lacl->ml_stat_grps.scsi_auth_intr_group,
1800                         "scsi_auth_intr", &target_stat_scsi_auth_intr_cit);
1801         config_group_init_type_name(&lacl->ml_stat_grps.scsi_att_intr_port_group,
1802                         "scsi_att_intr_port", &target_stat_scsi_att_intr_port_cit);
1803
1804         ml_stat_grp->default_groups[0] = &lacl->ml_stat_grps.scsi_auth_intr_group;
1805         ml_stat_grp->default_groups[1] = &lacl->ml_stat_grps.scsi_att_intr_port_group;
1806         ml_stat_grp->default_groups[2] = NULL;
1807 }