drivers/target/target_core_stat.c

   1 /*******************************************************************************
   2  * Filename:  target_core_stat.c
   3  *
   4  * Modern ConfigFS group context specific statistics based on original
   5  * target_core_mib.c code
   6  *
   7  * (c) Copyright 2006-2013 Datera, Inc.
   8  *
   9  * Nicholas A. Bellinger <nab@linux-iscsi.org>
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License as published by
  13  * the Free Software Foundation; either version 2 of the License, or
  14  * (at your option) any later version.
  15  *
  16  * This program is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with this program; if not, write to the Free Software
  23  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  24  *
  25  ******************************************************************************/
  26
  27 #include <linux/kernel.h>
  28 #include <linux/module.h>
  29 #include <linux/delay.h>
  30 #include <linux/timer.h>
  31 #include <linux/string.h>
  32 #include <linux/utsname.h>
  33 #include <linux/proc_fs.h>
  34 #include <linux/seq_file.h>
  35 #include <linux/configfs.h>
  36 #include <scsi/scsi.h>
  37 #include <scsi/scsi_device.h>
  38 #include <scsi/scsi_host.h>
  39
  40 #include <target/target_core_base.h>
  41 #include <target/target_core_backend.h>
  42 #include <target/target_core_fabric.h>
  43 #include <target/target_core_configfs.h>
  44 #include <target/configfs_macros.h>
  45
  46 #include "target_core_internal.h"
  47
  48 #ifndef INITIAL_JIFFIES
  49 #define INITIAL_JIFFIES ((unsigned long)(unsigned int) (-300*HZ))
  50 #endif
  51
  52 #define NONE            "None"
  53 #define ISPRINT(a)   ((a >= ' ') && (a <= '~'))
  54
  55 #define SCSI_LU_INDEX                   1
  56 #define LU_COUNT                        1
  57
  58 /*
  59  * SCSI Device Table
  60  */
  61
  62 CONFIGFS_EATTR_STRUCT(target_stat_scsi_dev, se_dev_stat_grps);
  63 #define DEV_STAT_SCSI_DEV_ATTR(_name, _mode)                            \
  64 static struct target_stat_scsi_dev_attribute                            \
  65                         target_stat_scsi_dev_##_name =                  \
  66         __CONFIGFS_EATTR(_name, _mode,                                  \
  67         target_stat_scsi_dev_show_attr_##_name,                         \
  68         target_stat_scsi_dev_store_attr_##_name);
  69
  70 #define DEV_STAT_SCSI_DEV_ATTR_RO(_name)                                \
  71 static struct target_stat_scsi_dev_attribute                            \
  72                         target_stat_scsi_dev_##_name =                  \
  73         __CONFIGFS_EATTR_RO(_name,                                      \
  74         target_stat_scsi_dev_show_attr_##_name);
  75
  76 static ssize_t target_stat_scsi_dev_show_attr_inst(
  77         struct se_dev_stat_grps *sgrps, char *page)
  78 {
  79         struct se_device *dev =
  80                 container_of(sgrps, struct se_device, dev_stat_grps);
  81         struct se_hba *hba = dev->se_hba;
  82
  83         return snprintf(page, PAGE_SIZE, "%u\n", hba->hba_index);
  84 }
  85 DEV_STAT_SCSI_DEV_ATTR_RO(inst);
  86
  87 static ssize_t target_stat_scsi_dev_show_attr_indx(
  88         struct se_dev_stat_grps *sgrps, char *page)
  89 {
  90         struct se_device *dev =
  91                 container_of(sgrps, struct se_device, dev_stat_grps);
  92
  93         return snprintf(page, PAGE_SIZE, "%u\n", dev->dev_index);
  94 }
  95 DEV_STAT_SCSI_DEV_ATTR_RO(indx);
  96
  97 static ssize_t target_stat_scsi_dev_show_attr_role(
  98         struct se_dev_stat_grps *sgrps, char *page)
  99 {
 100         return snprintf(page, PAGE_SIZE, "Target\n");
 101 }
 102 DEV_STAT_SCSI_DEV_ATTR_RO(role);
 103
 104 static ssize_t target_stat_scsi_dev_show_attr_ports(
 105         struct se_dev_stat_grps *sgrps, char *page)
 106 {
 107         struct se_device *dev =
 108                 container_of(sgrps, struct se_device, dev_stat_grps);
 109
 110         return snprintf(page, PAGE_SIZE, "%u\n", dev->dev_port_count);
 111 }
 112 DEV_STAT_SCSI_DEV_ATTR_RO(ports);
 113
 114 CONFIGFS_EATTR_OPS(target_stat_scsi_dev, se_dev_stat_grps, scsi_dev_group);
 115
 116 static struct configfs_attribute *target_stat_scsi_dev_attrs[] = {
 117         &target_stat_scsi_dev_inst.attr,
 118         &target_stat_scsi_dev_indx.attr,
 119         &target_stat_scsi_dev_role.attr,
 120         &target_stat_scsi_dev_ports.attr,
 121         NULL,
 122 };
 123
 124 static struct configfs_item_operations target_stat_scsi_dev_attrib_ops = {
 125         .show_attribute         = target_stat_scsi_dev_attr_show,
 126         .store_attribute        = target_stat_scsi_dev_attr_store,
 127 };
 128
 129 static struct config_item_type target_stat_scsi_dev_cit = {
 130         .ct_item_ops            = &target_stat_scsi_dev_attrib_ops,
 131         .ct_attrs               = target_stat_scsi_dev_attrs,
 132         .ct_owner               = THIS_MODULE,
 133 };
 134
 135 /*
 136  * SCSI Target Device Table
 137  */
 138
 139 CONFIGFS_EATTR_STRUCT(target_stat_scsi_tgt_dev, se_dev_stat_grps);
 140 #define DEV_STAT_SCSI_TGT_DEV_ATTR(_name, _mode)                        \
 141 static struct target_stat_scsi_tgt_dev_attribute                        \
 142                         target_stat_scsi_tgt_dev_##_name =              \
 143         __CONFIGFS_EATTR(_name, _mode,                                  \
 144         target_stat_scsi_tgt_dev_show_attr_##_name,                     \
 145         target_stat_scsi_tgt_dev_store_attr_##_name);
 146
 147 #define DEV_STAT_SCSI_TGT_DEV_ATTR_RO(_name)                            \
 148 static struct target_stat_scsi_tgt_dev_attribute                        \
 149                         target_stat_scsi_tgt_dev_##_name =              \
 150         __CONFIGFS_EATTR_RO(_name,                                      \
 151         target_stat_scsi_tgt_dev_show_attr_##_name);
 152
 153 static ssize_t target_stat_scsi_tgt_dev_show_attr_inst(
 154         struct se_dev_stat_grps *sgrps, char *page)
 155 {
 156         struct se_device *dev =
 157                 container_of(sgrps, struct se_device, dev_stat_grps);
 158         struct se_hba *hba = dev->se_hba;
 159
 160         return snprintf(page, PAGE_SIZE, "%u\n", hba->hba_index);
 161 }
 162 DEV_STAT_SCSI_TGT_DEV_ATTR_RO(inst);
 163
 164 static ssize_t target_stat_scsi_tgt_dev_show_attr_indx(
 165         struct se_dev_stat_grps *sgrps, char *page)
 166 {
 167         struct se_device *dev =
 168                 container_of(sgrps, struct se_device, dev_stat_grps);
 169
 170         return snprintf(page, PAGE_SIZE, "%u\n", dev->dev_index);
 171 }
 172 DEV_STAT_SCSI_TGT_DEV_ATTR_RO(indx);
 173
 174 static ssize_t target_stat_scsi_tgt_dev_show_attr_num_lus(
 175         struct se_dev_stat_grps *sgrps, char *page)
 176 {
 177         return snprintf(page, PAGE_SIZE, "%u\n", LU_COUNT);
 178 }
 179 DEV_STAT_SCSI_TGT_DEV_ATTR_RO(num_lus);
 180
 181 static ssize_t target_stat_scsi_tgt_dev_show_attr_status(
 182         struct se_dev_stat_grps *sgrps, char *page)
 183 {
 184         struct se_device *dev =
 185                 container_of(sgrps, struct se_device, dev_stat_grps);
 186
 187         if (dev->export_count)
 188                 return snprintf(page, PAGE_SIZE, "activated");
 189         else
 190                 return snprintf(page, PAGE_SIZE, "deactivated");
 191 }
 192 DEV_STAT_SCSI_TGT_DEV_ATTR_RO(status);
 193
 194 static ssize_t target_stat_scsi_tgt_dev_show_attr_non_access_lus(
 195         struct se_dev_stat_grps *sgrps, char *page)
 196 {
 197         struct se_device *dev =
 198                 container_of(sgrps, struct se_device, dev_stat_grps);
 199         int non_accessible_lus;
 200
 201         if (dev->export_count)
 202                 non_accessible_lus = 0;
 203         else
 204                 non_accessible_lus = 1;
 205
 206         return snprintf(page, PAGE_SIZE, "%u\n", non_accessible_lus);
 207 }
 208 DEV_STAT_SCSI_TGT_DEV_ATTR_RO(non_access_lus);
 209
 210 static ssize_t target_stat_scsi_tgt_dev_show_attr_resets(
 211         struct se_dev_stat_grps *sgrps, char *page)
 212 {
 213         struct se_device *dev =
 214                 container_of(sgrps, struct se_device, dev_stat_grps);
 215
 216         return snprintf(page, PAGE_SIZE, "%lu\n",
 217                         atomic_long_read(&dev->num_resets));
 218 }
 219 DEV_STAT_SCSI_TGT_DEV_ATTR_RO(resets);
 220
 221
 222 CONFIGFS_EATTR_OPS(target_stat_scsi_tgt_dev, se_dev_stat_grps, scsi_tgt_dev_group);
 223
 224 static struct configfs_attribute *target_stat_scsi_tgt_dev_attrs[] = {
 225         &target_stat_scsi_tgt_dev_inst.attr,
 226         &target_stat_scsi_tgt_dev_indx.attr,
 227         &target_stat_scsi_tgt_dev_num_lus.attr,
 228         &target_stat_scsi_tgt_dev_status.attr,
 229         &target_stat_scsi_tgt_dev_non_access_lus.attr,
 230         &target_stat_scsi_tgt_dev_resets.attr,
 231         NULL,
 232 };
 233
 234 static struct configfs_item_operations target_stat_scsi_tgt_dev_attrib_ops = {
 235         .show_attribute         = target_stat_scsi_tgt_dev_attr_show,
 236         .store_attribute        = target_stat_scsi_tgt_dev_attr_store,
 237 };
 238
 239 static struct config_item_type target_stat_scsi_tgt_dev_cit = {
 240         .ct_item_ops            = &target_stat_scsi_tgt_dev_attrib_ops,
 241         .ct_attrs               = target_stat_scsi_tgt_dev_attrs,
 242         .ct_owner               = THIS_MODULE,
 243 };
 244
 245 /*
 246  * SCSI Logical Unit Table
 247  */
 248
 249 CONFIGFS_EATTR_STRUCT(target_stat_scsi_lu, se_dev_stat_grps);
 250 #define DEV_STAT_SCSI_LU_ATTR(_name, _mode)                             \
 251 static struct target_stat_scsi_lu_attribute target_stat_scsi_lu_##_name = \
 252         __CONFIGFS_EATTR(_name, _mode,                                  \
 253         target_stat_scsi_lu_show_attr_##_name,                          \
 254         target_stat_scsi_lu_store_attr_##_name);
 255
 256 #define DEV_STAT_SCSI_LU_ATTR_RO(_name)                                 \
 257 static struct target_stat_scsi_lu_attribute target_stat_scsi_lu_##_name = \
 258         __CONFIGFS_EATTR_RO(_name,                                      \
 259         target_stat_scsi_lu_show_attr_##_name);
 260
 261 static ssize_t target_stat_scsi_lu_show_attr_inst(
 262         struct se_dev_stat_grps *sgrps, char *page)
 263 {
 264         struct se_device *dev =
 265                 container_of(sgrps, struct se_device, dev_stat_grps);
 266         struct se_hba *hba = dev->se_hba;
 267
 268         return snprintf(page, PAGE_SIZE, "%u\n", hba->hba_index);
 269 }
 270 DEV_STAT_SCSI_LU_ATTR_RO(inst);
 271
 272 static ssize_t target_stat_scsi_lu_show_attr_dev(
 273         struct se_dev_stat_grps *sgrps, char *page)
 274 {
 275         struct se_device *dev =
 276                 container_of(sgrps, struct se_device, dev_stat_grps);
 277
 278         return snprintf(page, PAGE_SIZE, "%u\n", dev->dev_index);
 279 }
 280 DEV_STAT_SCSI_LU_ATTR_RO(dev);
 281
 282 static ssize_t target_stat_scsi_lu_show_attr_indx(
 283         struct se_dev_stat_grps *sgrps, char *page)
 284 {
 285         return snprintf(page, PAGE_SIZE, "%u\n", SCSI_LU_INDEX);
 286 }
 287 DEV_STAT_SCSI_LU_ATTR_RO(indx);
 288
 289 static ssize_t target_stat_scsi_lu_show_attr_lun(
 290         struct se_dev_stat_grps *sgrps, char *page)
 291 {
 292         /* FIXME: scsiLuDefaultLun */
 293         return snprintf(page, PAGE_SIZE, "%llu\n", (unsigned long long)0);
 294 }
 295 DEV_STAT_SCSI_LU_ATTR_RO(lun);
 296
 297 static ssize_t target_stat_scsi_lu_show_attr_lu_name(
 298         struct se_dev_stat_grps *sgrps, char *page)
 299 {
 300         struct se_device *dev =
 301                 container_of(sgrps, struct se_device, dev_stat_grps);
 302
 303         /* scsiLuWwnName */
 304         return snprintf(page, PAGE_SIZE, "%s\n",
 305                         (strlen(dev->t10_wwn.unit_serial)) ?
 306                         dev->t10_wwn.unit_serial : "None");
 307 }
 308 DEV_STAT_SCSI_LU_ATTR_RO(lu_name);
 309
 310 static ssize_t target_stat_scsi_lu_show_attr_vend(
 311         struct se_dev_stat_grps *sgrps, char *page)
 312 {
 313         struct se_device *dev =
 314                 container_of(sgrps, struct se_device, dev_stat_grps);
 315         int i;
 316         char str[sizeof(dev->t10_wwn.vendor)+1];
 317
 318         /* scsiLuVendorId */
 319         for (i = 0; i < sizeof(dev->t10_wwn.vendor); i++)
 320                 str[i] = ISPRINT(dev->t10_wwn.vendor[i]) ?
 321                         dev->t10_wwn.vendor[i] : ' ';
 322         str[i] = '\0';
 323         return snprintf(page, PAGE_SIZE, "%s\n", str);
 324 }
 325 DEV_STAT_SCSI_LU_ATTR_RO(vend);
 326
 327 static ssize_t target_stat_scsi_lu_show_attr_prod(
 328         struct se_dev_stat_grps *sgrps, char *page)
 329 {
 330         struct se_device *dev =
 331                 container_of(sgrps, struct se_device, dev_stat_grps);
 332         int i;
 333         char str[sizeof(dev->t10_wwn.model)+1];
 334
 335         /* scsiLuProductId */
 336         for (i = 0; i < sizeof(dev->t10_wwn.vendor); i++)
 337                 str[i] = ISPRINT(dev->t10_wwn.model[i]) ?
 338                         dev->t10_wwn.model[i] : ' ';
 339         str[i] = '\0';
 340         return snprintf(page, PAGE_SIZE, "%s\n", str);
 341 }
 342 DEV_STAT_SCSI_LU_ATTR_RO(prod);
 343
 344 static ssize_t target_stat_scsi_lu_show_attr_rev(
 345         struct se_dev_stat_grps *sgrps, char *page)
 346 {
 347         struct se_device *dev =
 348                 container_of(sgrps, struct se_device, dev_stat_grps);
 349         int i;
 350         char str[sizeof(dev->t10_wwn.revision)+1];
 351
 352         /* scsiLuRevisionId */
 353         for (i = 0; i < sizeof(dev->t10_wwn.revision); i++)
 354                 str[i] = ISPRINT(dev->t10_wwn.revision[i]) ?
 355                         dev->t10_wwn.revision[i] : ' ';
 356         str[i] = '\0';
 357         return snprintf(page, PAGE_SIZE, "%s\n", str);
 358 }
 359 DEV_STAT_SCSI_LU_ATTR_RO(rev);
 360
 361 static ssize_t target_stat_scsi_lu_show_attr_dev_type(
 362         struct se_dev_stat_grps *sgrps, char *page)
 363 {
 364         struct se_device *dev =
 365                 container_of(sgrps, struct se_device, dev_stat_grps);
 366
 367         /* scsiLuPeripheralType */
 368         return snprintf(page, PAGE_SIZE, "%u\n",
 369                         dev->transport->get_device_type(dev));
 370 }
 371 DEV_STAT_SCSI_LU_ATTR_RO(dev_type);
 372
 373 static ssize_t target_stat_scsi_lu_show_attr_status(
 374         struct se_dev_stat_grps *sgrps, char *page)
 375 {
 376         struct se_device *dev =
 377                 container_of(sgrps, struct se_device, dev_stat_grps);
 378
 379         /* scsiLuStatus */
 380         return snprintf(page, PAGE_SIZE, "%s\n",
 381                 (dev->export_count) ? "available" : "notavailable");
 382 }
 383 DEV_STAT_SCSI_LU_ATTR_RO(status);
 384
 385 static ssize_t target_stat_scsi_lu_show_attr_state_bit(
 386         struct se_dev_stat_grps *sgrps, char *page)
 387 {
 388         /* scsiLuState */
 389         return snprintf(page, PAGE_SIZE, "exposed\n");
 390 }
 391 DEV_STAT_SCSI_LU_ATTR_RO(state_bit);
 392
 393 static ssize_t target_stat_scsi_lu_show_attr_num_cmds(
 394         struct se_dev_stat_grps *sgrps, char *page)
 395 {
 396         struct se_device *dev =
 397                 container_of(sgrps, struct se_device, dev_stat_grps);
 398
 399         /* scsiLuNumCommands */
 400         return snprintf(page, PAGE_SIZE, "%lu\n",
 401                         atomic_long_read(&dev->num_cmds));
 402 }
 403 DEV_STAT_SCSI_LU_ATTR_RO(num_cmds);
 404
 405 static ssize_t target_stat_scsi_lu_show_attr_read_mbytes(
 406         struct se_dev_stat_grps *sgrps, char *page)
 407 {
 408         struct se_device *dev =
 409                 container_of(sgrps, struct se_device, dev_stat_grps);
 410
 411         /* scsiLuReadMegaBytes */
 412         return snprintf(page, PAGE_SIZE, "%lu\n",
 413                         atomic_long_read(&dev->read_bytes) >> 20);
 414 }
 415 DEV_STAT_SCSI_LU_ATTR_RO(read_mbytes);
 416
 417 static ssize_t target_stat_scsi_lu_show_attr_write_mbytes(
 418         struct se_dev_stat_grps *sgrps, char *page)
 419 {
 420         struct se_device *dev =
 421                 container_of(sgrps, struct se_device, dev_stat_grps);
 422
 423         /* scsiLuWrittenMegaBytes */
 424         return snprintf(page, PAGE_SIZE, "%lu\n",
 425                         atomic_long_read(&dev->write_bytes) >> 20);
 426 }
 427 DEV_STAT_SCSI_LU_ATTR_RO(write_mbytes);
 428
 429 static ssize_t target_stat_scsi_lu_show_attr_resets(
 430         struct se_dev_stat_grps *sgrps, char *page)
 431 {
 432         struct se_device *dev =
 433                 container_of(sgrps, struct se_device, dev_stat_grps);
 434
 435         /* scsiLuInResets */
 436         return snprintf(page, PAGE_SIZE, "%lu\n", atomic_long_read(&dev->num_resets));
 437 }
 438 DEV_STAT_SCSI_LU_ATTR_RO(resets);
 439
 440 static ssize_t target_stat_scsi_lu_show_attr_full_stat(
 441         struct se_dev_stat_grps *sgrps, char *page)
 442 {
 443         /* FIXME: scsiLuOutTaskSetFullStatus */
 444         return snprintf(page, PAGE_SIZE, "%u\n", 0);
 445 }
 446 DEV_STAT_SCSI_LU_ATTR_RO(full_stat);
 447
 448 static ssize_t target_stat_scsi_lu_show_attr_hs_num_cmds(
 449         struct se_dev_stat_grps *sgrps, char *page)
 450 {
 451         /* FIXME: scsiLuHSInCommands */
 452         return snprintf(page, PAGE_SIZE, "%u\n", 0);
 453 }
 454 DEV_STAT_SCSI_LU_ATTR_RO(hs_num_cmds);
 455
 456 static ssize_t target_stat_scsi_lu_show_attr_creation_time(
 457         struct se_dev_stat_grps *sgrps, char *page)
 458 {
 459         struct se_device *dev =
 460                 container_of(sgrps, struct se_device, dev_stat_grps);
 461
 462         /* scsiLuCreationTime */
 463         return snprintf(page, PAGE_SIZE, "%u\n", (u32)(((u32)dev->creation_time -
 464                                 INITIAL_JIFFIES) * 100 / HZ));
 465 }
 466 DEV_STAT_SCSI_LU_ATTR_RO(creation_time);
 467
 468 CONFIGFS_EATTR_OPS(target_stat_scsi_lu, se_dev_stat_grps, scsi_lu_group);
 469
 470 static struct configfs_attribute *target_stat_scsi_lu_attrs[] = {
 471         &target_stat_scsi_lu_inst.attr,
 472         &target_stat_scsi_lu_dev.attr,
 473         &target_stat_scsi_lu_indx.attr,
 474         &target_stat_scsi_lu_lun.attr,
 475         &target_stat_scsi_lu_lu_name.attr,
 476         &target_stat_scsi_lu_vend.attr,
 477         &target_stat_scsi_lu_prod.attr,
 478         &target_stat_scsi_lu_rev.attr,
 479         &target_stat_scsi_lu_dev_type.attr,
 480         &target_stat_scsi_lu_status.attr,
 481         &target_stat_scsi_lu_state_bit.attr,
 482         &target_stat_scsi_lu_num_cmds.attr,
 483         &target_stat_scsi_lu_read_mbytes.attr,
 484         &target_stat_scsi_lu_write_mbytes.attr,
 485         &target_stat_scsi_lu_resets.attr,
 486         &target_stat_scsi_lu_full_stat.attr,
 487         &target_stat_scsi_lu_hs_num_cmds.attr,
 488         &target_stat_scsi_lu_creation_time.attr,
 489         NULL,
 490 };
 491
 492 static struct configfs_item_operations target_stat_scsi_lu_attrib_ops = {
 493         .show_attribute         = target_stat_scsi_lu_attr_show,
 494         .store_attribute        = target_stat_scsi_lu_attr_store,
 495 };
 496
 497 static struct config_item_type target_stat_scsi_lu_cit = {
 498         .ct_item_ops            = &target_stat_scsi_lu_attrib_ops,
 499         .ct_attrs               = target_stat_scsi_lu_attrs,
 500         .ct_owner               = THIS_MODULE,
 501 };
 502
 503 /*
 504  * Called from target_core_configfs.c:target_core_make_subdev() to setup
 505  * the target statistics groups + configfs CITs located in target_core_stat.c
 506  */
 507 void target_stat_setup_dev_default_groups(struct se_device *dev)
 508 {
 509         struct config_group *dev_stat_grp = &dev->dev_stat_grps.stat_group;
 510
 511         config_group_init_type_name(&dev->dev_stat_grps.scsi_dev_group,
 512                         "scsi_dev", &target_stat_scsi_dev_cit);
 513         config_group_init_type_name(&dev->dev_stat_grps.scsi_tgt_dev_group,
 514                         "scsi_tgt_dev", &target_stat_scsi_tgt_dev_cit);
 515         config_group_init_type_name(&dev->dev_stat_grps.scsi_lu_group,
 516                         "scsi_lu", &target_stat_scsi_lu_cit);
 517
 518         dev_stat_grp->default_groups[0] = &dev->dev_stat_grps.scsi_dev_group;
 519         dev_stat_grp->default_groups[1] = &dev->dev_stat_grps.scsi_tgt_dev_group;
 520         dev_stat_grp->default_groups[2] = &dev->dev_stat_grps.scsi_lu_group;
 521         dev_stat_grp->default_groups[3] = NULL;
 522 }
 523
 524 /*
 525  * SCSI Port Table
 526  */
 527
 528 CONFIGFS_EATTR_STRUCT(target_stat_scsi_port, se_port_stat_grps);
 529 #define DEV_STAT_SCSI_PORT_ATTR(_name, _mode)                           \
 530 static struct target_stat_scsi_port_attribute                           \
 531                         target_stat_scsi_port_##_name =                 \
 532         __CONFIGFS_EATTR(_name, _mode,                                  \
 533         target_stat_scsi_port_show_attr_##_name,                        \
 534         target_stat_scsi_port_store_attr_##_name);
 535
 536 #define DEV_STAT_SCSI_PORT_ATTR_RO(_name)                               \
 537 static struct target_stat_scsi_port_attribute                           \
 538                         target_stat_scsi_port_##_name =                 \
 539         __CONFIGFS_EATTR_RO(_name,                                      \
 540         target_stat_scsi_port_show_attr_##_name);
 541
 542 static ssize_t target_stat_scsi_port_show_attr_inst(
 543         struct se_port_stat_grps *pgrps, char *page)
 544 {
 545         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
 546         struct se_port *sep;
 547         struct se_device *dev = lun->lun_se_dev;
 548         struct se_hba *hba;
 549         ssize_t ret;
 550
 551         spin_lock(&lun->lun_sep_lock);
 552         sep = lun->lun_sep;
 553         if (!sep) {
 554                 spin_unlock(&lun->lun_sep_lock);
 555                 return -ENODEV;
 556         }
 557         hba = dev->se_hba;
 558         ret = snprintf(page, PAGE_SIZE, "%u\n", hba->hba_index);
 559         spin_unlock(&lun->lun_sep_lock);
 560         return ret;
 561 }
 562 DEV_STAT_SCSI_PORT_ATTR_RO(inst);
 563
 564 static ssize_t target_stat_scsi_port_show_attr_dev(
 565         struct se_port_stat_grps *pgrps, char *page)
 566 {
 567         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
 568         struct se_port *sep;
 569         struct se_device *dev = lun->lun_se_dev;
 570         ssize_t ret;
 571
 572         spin_lock(&lun->lun_sep_lock);
 573         sep = lun->lun_sep;
 574         if (!sep) {
 575                 spin_unlock(&lun->lun_sep_lock);
 576                 return -ENODEV;
 577         }
 578         ret = snprintf(page, PAGE_SIZE, "%u\n", dev->dev_index);
 579         spin_unlock(&lun->lun_sep_lock);
 580         return ret;
 581 }
 582 DEV_STAT_SCSI_PORT_ATTR_RO(dev);
 583
 584 static ssize_t target_stat_scsi_port_show_attr_indx(
 585         struct se_port_stat_grps *pgrps, char *page)
 586 {
 587         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
 588         struct se_port *sep;
 589         ssize_t ret;
 590
 591         spin_lock(&lun->lun_sep_lock);
 592         sep = lun->lun_sep;
 593         if (!sep) {
 594                 spin_unlock(&lun->lun_sep_lock);
 595                 return -ENODEV;
 596         }
 597         ret = snprintf(page, PAGE_SIZE, "%u\n", sep->sep_index);
 598         spin_unlock(&lun->lun_sep_lock);
 599         return ret;
 600 }
 601 DEV_STAT_SCSI_PORT_ATTR_RO(indx);
 602
 603 static ssize_t target_stat_scsi_port_show_attr_role(
 604         struct se_port_stat_grps *pgrps, char *page)
 605 {
 606         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
 607         struct se_device *dev = lun->lun_se_dev;
 608         struct se_port *sep;
 609         ssize_t ret;
 610
 611         if (!dev)
 612                 return -ENODEV;
 613
 614         spin_lock(&lun->lun_sep_lock);
 615         sep = lun->lun_sep;
 616         if (!sep) {
 617                 spin_unlock(&lun->lun_sep_lock);
 618                 return -ENODEV;
 619         }
 620         ret = snprintf(page, PAGE_SIZE, "%s%u\n", "Device", dev->dev_index);
 621         spin_unlock(&lun->lun_sep_lock);
 622         return ret;
 623 }
 624 DEV_STAT_SCSI_PORT_ATTR_RO(role);
 625
 626 static ssize_t target_stat_scsi_port_show_attr_busy_count(
 627         struct se_port_stat_grps *pgrps, char *page)
 628 {
 629         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
 630         struct se_port *sep;
 631         ssize_t ret;
 632
 633         spin_lock(&lun->lun_sep_lock);
 634         sep = lun->lun_sep;
 635         if (!sep) {
 636                 spin_unlock(&lun->lun_sep_lock);
 637                 return -ENODEV;
 638         }
 639         /* FIXME: scsiPortBusyStatuses  */
 640         ret = snprintf(page, PAGE_SIZE, "%u\n", 0);
 641         spin_unlock(&lun->lun_sep_lock);
 642         return ret;
 643 }
 644 DEV_STAT_SCSI_PORT_ATTR_RO(busy_count);
 645
 646 CONFIGFS_EATTR_OPS(target_stat_scsi_port, se_port_stat_grps, scsi_port_group);
 647
 648 static struct configfs_attribute *target_stat_scsi_port_attrs[] = {
 649         &target_stat_scsi_port_inst.attr,
 650         &target_stat_scsi_port_dev.attr,
 651         &target_stat_scsi_port_indx.attr,
 652         &target_stat_scsi_port_role.attr,
 653         &target_stat_scsi_port_busy_count.attr,
 654         NULL,
 655 };
 656
 657 static struct configfs_item_operations target_stat_scsi_port_attrib_ops = {
 658         .show_attribute         = target_stat_scsi_port_attr_show,
 659         .store_attribute        = target_stat_scsi_port_attr_store,
 660 };
 661
 662 static struct config_item_type target_stat_scsi_port_cit = {
 663         .ct_item_ops            = &target_stat_scsi_port_attrib_ops,
 664         .ct_attrs               = target_stat_scsi_port_attrs,
 665         .ct_owner               = THIS_MODULE,
 666 };
 667
 668 /*
 669  * SCSI Target Port Table
 670  */
 671 CONFIGFS_EATTR_STRUCT(target_stat_scsi_tgt_port, se_port_stat_grps);
 672 #define DEV_STAT_SCSI_TGT_PORT_ATTR(_name, _mode)                       \
 673 static struct target_stat_scsi_tgt_port_attribute                       \
 674                         target_stat_scsi_tgt_port_##_name =             \
 675         __CONFIGFS_EATTR(_name, _mode,                                  \
 676         target_stat_scsi_tgt_port_show_attr_##_name,                    \
 677         target_stat_scsi_tgt_port_store_attr_##_name);
 678
 679 #define DEV_STAT_SCSI_TGT_PORT_ATTR_RO(_name)                           \
 680 static struct target_stat_scsi_tgt_port_attribute                       \
 681                         target_stat_scsi_tgt_port_##_name =             \
 682         __CONFIGFS_EATTR_RO(_name,                                      \
 683         target_stat_scsi_tgt_port_show_attr_##_name);
 684
 685 static ssize_t target_stat_scsi_tgt_port_show_attr_inst(
 686         struct se_port_stat_grps *pgrps, char *page)
 687 {
 688         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
 689         struct se_device *dev = lun->lun_se_dev;
 690         struct se_port *sep;
 691         struct se_hba *hba;
 692         ssize_t ret;
 693
 694         spin_lock(&lun->lun_sep_lock);
 695         sep = lun->lun_sep;
 696         if (!sep) {
 697                 spin_unlock(&lun->lun_sep_lock);
 698                 return -ENODEV;
 699         }
 700         hba = dev->se_hba;
 701         ret = snprintf(page, PAGE_SIZE, "%u\n", hba->hba_index);
 702         spin_unlock(&lun->lun_sep_lock);
 703         return ret;
 704 }
 705 DEV_STAT_SCSI_TGT_PORT_ATTR_RO(inst);
 706
 707 static ssize_t target_stat_scsi_tgt_port_show_attr_dev(
 708         struct se_port_stat_grps *pgrps, char *page)
 709 {
 710         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
 711         struct se_device *dev = lun->lun_se_dev;
 712         struct se_port *sep;
 713         ssize_t ret;
 714
 715         spin_lock(&lun->lun_sep_lock);
 716         sep = lun->lun_sep;
 717         if (!sep) {
 718                 spin_unlock(&lun->lun_sep_lock);
 719                 return -ENODEV;
 720         }
 721         ret = snprintf(page, PAGE_SIZE, "%u\n", dev->dev_index);
 722         spin_unlock(&lun->lun_sep_lock);
 723         return ret;
 724 }
 725 DEV_STAT_SCSI_TGT_PORT_ATTR_RO(dev);
 726
 727 static ssize_t target_stat_scsi_tgt_port_show_attr_indx(
 728         struct se_port_stat_grps *pgrps, char *page)
 729 {
 730         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
 731         struct se_port *sep;
 732         ssize_t ret;
 733
 734         spin_lock(&lun->lun_sep_lock);
 735         sep = lun->lun_sep;
 736         if (!sep) {
 737                 spin_unlock(&lun->lun_sep_lock);
 738                 return -ENODEV;
 739         }
 740         ret = snprintf(page, PAGE_SIZE, "%u\n", sep->sep_index);
 741         spin_unlock(&lun->lun_sep_lock);
 742         return ret;
 743 }
 744 DEV_STAT_SCSI_TGT_PORT_ATTR_RO(indx);
 745
 746 static ssize_t target_stat_scsi_tgt_port_show_attr_name(
 747         struct se_port_stat_grps *pgrps, char *page)
 748 {
 749         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
 750         struct se_port *sep;
 751         struct se_portal_group *tpg;
 752         ssize_t ret;
 753
 754         spin_lock(&lun->lun_sep_lock);
 755         sep = lun->lun_sep;
 756         if (!sep) {
 757                 spin_unlock(&lun->lun_sep_lock);
 758                 return -ENODEV;
 759         }
 760         tpg = sep->sep_tpg;
 761
 762         ret = snprintf(page, PAGE_SIZE, "%sPort#%u\n",
 763                 tpg->se_tpg_tfo->get_fabric_name(), sep->sep_index);
 764         spin_unlock(&lun->lun_sep_lock);
 765         return ret;
 766 }
 767 DEV_STAT_SCSI_TGT_PORT_ATTR_RO(name);
 768
 769 static ssize_t target_stat_scsi_tgt_port_show_attr_port_index(
 770         struct se_port_stat_grps *pgrps, char *page)
 771 {
 772         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
 773         struct se_port *sep;
 774         struct se_portal_group *tpg;
 775         ssize_t ret;
 776
 777         spin_lock(&lun->lun_sep_lock);
 778         sep = lun->lun_sep;
 779         if (!sep) {
 780                 spin_unlock(&lun->lun_sep_lock);
 781                 return -ENODEV;
 782         }
 783         tpg = sep->sep_tpg;
 784
 785         ret = snprintf(page, PAGE_SIZE, "%s%s%d\n",
 786                 tpg->se_tpg_tfo->tpg_get_wwn(tpg), "+t+",
 787                 tpg->se_tpg_tfo->tpg_get_tag(tpg));
 788         spin_unlock(&lun->lun_sep_lock);
 789         return ret;
 790 }
 791 DEV_STAT_SCSI_TGT_PORT_ATTR_RO(port_index);
 792
 793 static ssize_t target_stat_scsi_tgt_port_show_attr_in_cmds(
 794         struct se_port_stat_grps *pgrps, char *page)
 795 {
 796         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
 797         struct se_port *sep;
 798         ssize_t ret;
 799
 800         spin_lock(&lun->lun_sep_lock);
 801         sep = lun->lun_sep;
 802         if (!sep) {
 803                 spin_unlock(&lun->lun_sep_lock);
 804                 return -ENODEV;
 805         }
 806
 807         ret = snprintf(page, PAGE_SIZE, "%llu\n", sep->sep_stats.cmd_pdus);
 808         spin_unlock(&lun->lun_sep_lock);
 809         return ret;
 810 }
 811 DEV_STAT_SCSI_TGT_PORT_ATTR_RO(in_cmds);
 812
 813 static ssize_t target_stat_scsi_tgt_port_show_attr_write_mbytes(
 814         struct se_port_stat_grps *pgrps, char *page)
 815 {
 816         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
 817         struct se_port *sep;
 818         ssize_t ret;
 819
 820         spin_lock(&lun->lun_sep_lock);
 821         sep = lun->lun_sep;
 822         if (!sep) {
 823                 spin_unlock(&lun->lun_sep_lock);
 824                 return -ENODEV;
 825         }
 826
 827         ret = snprintf(page, PAGE_SIZE, "%u\n",
 828                         (u32)(sep->sep_stats.rx_data_octets >> 20));
 829         spin_unlock(&lun->lun_sep_lock);
 830         return ret;
 831 }
 832 DEV_STAT_SCSI_TGT_PORT_ATTR_RO(write_mbytes);
 833
 834 static ssize_t target_stat_scsi_tgt_port_show_attr_read_mbytes(
 835         struct se_port_stat_grps *pgrps, char *page)
 836 {
 837         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
 838         struct se_port *sep;
 839         ssize_t ret;
 840
 841         spin_lock(&lun->lun_sep_lock);
 842         sep = lun->lun_sep;
 843         if (!sep) {
 844                 spin_unlock(&lun->lun_sep_lock);
 845                 return -ENODEV;
 846         }
 847
 848         ret = snprintf(page, PAGE_SIZE, "%u\n",
 849                         (u32)(sep->sep_stats.tx_data_octets >> 20));
 850         spin_unlock(&lun->lun_sep_lock);
 851         return ret;
 852 }
 853 DEV_STAT_SCSI_TGT_PORT_ATTR_RO(read_mbytes);
 854
 855 static ssize_t target_stat_scsi_tgt_port_show_attr_hs_in_cmds(
 856         struct se_port_stat_grps *pgrps, char *page)
 857 {
 858         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
 859         struct se_port *sep;
 860         ssize_t ret;
 861
 862         spin_lock(&lun->lun_sep_lock);
 863         sep = lun->lun_sep;
 864         if (!sep) {
 865                 spin_unlock(&lun->lun_sep_lock);
 866                 return -ENODEV;
 867         }
 868
 869         /* FIXME: scsiTgtPortHsInCommands */
 870         ret = snprintf(page, PAGE_SIZE, "%u\n", 0);
 871         spin_unlock(&lun->lun_sep_lock);
 872         return ret;
 873 }
 874 DEV_STAT_SCSI_TGT_PORT_ATTR_RO(hs_in_cmds);
 875
 876 CONFIGFS_EATTR_OPS(target_stat_scsi_tgt_port, se_port_stat_grps,
 877                 scsi_tgt_port_group);
 878
 879 static struct configfs_attribute *target_stat_scsi_tgt_port_attrs[] = {
 880         &target_stat_scsi_tgt_port_inst.attr,
 881         &target_stat_scsi_tgt_port_dev.attr,
 882         &target_stat_scsi_tgt_port_indx.attr,
 883         &target_stat_scsi_tgt_port_name.attr,
 884         &target_stat_scsi_tgt_port_port_index.attr,
 885         &target_stat_scsi_tgt_port_in_cmds.attr,
 886         &target_stat_scsi_tgt_port_write_mbytes.attr,
 887         &target_stat_scsi_tgt_port_read_mbytes.attr,
 888         &target_stat_scsi_tgt_port_hs_in_cmds.attr,
 889         NULL,
 890 };
 891
 892 static struct configfs_item_operations target_stat_scsi_tgt_port_attrib_ops = {
 893         .show_attribute         = target_stat_scsi_tgt_port_attr_show,
 894         .store_attribute        = target_stat_scsi_tgt_port_attr_store,
 895 };
 896
 897 static struct config_item_type target_stat_scsi_tgt_port_cit = {
 898         .ct_item_ops            = &target_stat_scsi_tgt_port_attrib_ops,
 899         .ct_attrs               = target_stat_scsi_tgt_port_attrs,
 900         .ct_owner               = THIS_MODULE,
 901 };
 902
 903 /*
 904  * SCSI Transport Table
 905 o */
 906
 907 CONFIGFS_EATTR_STRUCT(target_stat_scsi_transport, se_port_stat_grps);
 908 #define DEV_STAT_SCSI_TRANSPORT_ATTR(_name, _mode)                      \
 909 static struct target_stat_scsi_transport_attribute                      \
 910                         target_stat_scsi_transport_##_name =            \
 911         __CONFIGFS_EATTR(_name, _mode,                                  \
 912         target_stat_scsi_transport_show_attr_##_name,                   \
 913         target_stat_scsi_transport_store_attr_##_name);
 914
 915 #define DEV_STAT_SCSI_TRANSPORT_ATTR_RO(_name)                          \
 916 static struct target_stat_scsi_transport_attribute                      \
 917                         target_stat_scsi_transport_##_name =            \
 918         __CONFIGFS_EATTR_RO(_name,                                      \
 919         target_stat_scsi_transport_show_attr_##_name);
 920
 921 static ssize_t target_stat_scsi_transport_show_attr_inst(
 922         struct se_port_stat_grps *pgrps, char *page)
 923 {
 924         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
 925         struct se_device *dev = lun->lun_se_dev;
 926         struct se_port *sep;
 927         struct se_hba *hba;
 928         ssize_t ret;
 929
 930         spin_lock(&lun->lun_sep_lock);
 931         sep = lun->lun_sep;
 932         if (!sep) {
 933                 spin_unlock(&lun->lun_sep_lock);
 934                 return -ENODEV;
 935         }
 936
 937         hba = dev->se_hba;
 938         ret = snprintf(page, PAGE_SIZE, "%u\n", hba->hba_index);
 939         spin_unlock(&lun->lun_sep_lock);
 940         return ret;
 941 }
 942 DEV_STAT_SCSI_TRANSPORT_ATTR_RO(inst);
 943
 944 static ssize_t target_stat_scsi_transport_show_attr_device(
 945         struct se_port_stat_grps *pgrps, char *page)
 946 {
 947         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
 948         struct se_port *sep;
 949         struct se_portal_group *tpg;
 950         ssize_t ret;
 951
 952         spin_lock(&lun->lun_sep_lock);
 953         sep = lun->lun_sep;
 954         if (!sep) {
 955                 spin_unlock(&lun->lun_sep_lock);
 956                 return -ENODEV;
 957         }
 958         tpg = sep->sep_tpg;
 959         /* scsiTransportType */
 960         ret = snprintf(page, PAGE_SIZE, "scsiTransport%s\n",
 961                         tpg->se_tpg_tfo->get_fabric_name());
 962         spin_unlock(&lun->lun_sep_lock);
 963         return ret;
 964 }
 965 DEV_STAT_SCSI_TRANSPORT_ATTR_RO(device);
 966
 967 static ssize_t target_stat_scsi_transport_show_attr_indx(
 968         struct se_port_stat_grps *pgrps, char *page)
 969 {
 970         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
 971         struct se_port *sep;
 972         struct se_portal_group *tpg;
 973         ssize_t ret;
 974
 975         spin_lock(&lun->lun_sep_lock);
 976         sep = lun->lun_sep;
 977         if (!sep) {
 978                 spin_unlock(&lun->lun_sep_lock);
 979                 return -ENODEV;
 980         }
 981         tpg = sep->sep_tpg;
 982         ret = snprintf(page, PAGE_SIZE, "%u\n",
 983                         tpg->se_tpg_tfo->tpg_get_inst_index(tpg));
 984         spin_unlock(&lun->lun_sep_lock);
 985         return ret;
 986 }
 987 DEV_STAT_SCSI_TRANSPORT_ATTR_RO(indx);
 988
 989 static ssize_t target_stat_scsi_transport_show_attr_dev_name(
 990         struct se_port_stat_grps *pgrps, char *page)
 991 {
 992         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
 993         struct se_device *dev = lun->lun_se_dev;
 994         struct se_port *sep;
 995         struct se_portal_group *tpg;
 996         struct t10_wwn *wwn;
 997         ssize_t ret;
 998
 999         spin_lock(&lun->lun_sep_lock);
1000         sep = lun->lun_sep;
1001         if (!sep) {
1002                 spin_unlock(&lun->lun_sep_lock);
1003                 return -ENODEV;
1004         }
1005         tpg = sep->sep_tpg;
1006         wwn = &dev->t10_wwn;
1007         /* scsiTransportDevName */
1008         ret = snprintf(page, PAGE_SIZE, "%s+%s\n",
1009                         tpg->se_tpg_tfo->tpg_get_wwn(tpg),
1010                         (strlen(wwn->unit_serial)) ? wwn->unit_serial :
1011                         wwn->vendor);
1012         spin_unlock(&lun->lun_sep_lock);
1013         return ret;
1014 }
1015 DEV_STAT_SCSI_TRANSPORT_ATTR_RO(dev_name);
1016
1017 CONFIGFS_EATTR_OPS(target_stat_scsi_transport, se_port_stat_grps,
1018                 scsi_transport_group);
1019
1020 static struct configfs_attribute *target_stat_scsi_transport_attrs[] = {
1021         &target_stat_scsi_transport_inst.attr,
1022         &target_stat_scsi_transport_device.attr,
1023         &target_stat_scsi_transport_indx.attr,
1024         &target_stat_scsi_transport_dev_name.attr,
1025         NULL,
1026 };
1027
1028 static struct configfs_item_operations target_stat_scsi_transport_attrib_ops = {
1029         .show_attribute         = target_stat_scsi_transport_attr_show,
1030         .store_attribute        = target_stat_scsi_transport_attr_store,
1031 };
1032
1033 static struct config_item_type target_stat_scsi_transport_cit = {
1034         .ct_item_ops            = &target_stat_scsi_transport_attrib_ops,
1035         .ct_attrs               = target_stat_scsi_transport_attrs,
1036         .ct_owner               = THIS_MODULE,
1037 };
1038
1039 /*
1040  * Called from target_core_fabric_configfs.c:target_fabric_make_lun() to setup
1041  * the target port statistics groups + configfs CITs located in target_core_stat.c
1042  */
1043 void target_stat_setup_port_default_groups(struct se_lun *lun)
1044 {
1045         struct config_group *port_stat_grp = &lun->port_stat_grps.stat_group;
1046
1047         config_group_init_type_name(&lun->port_stat_grps.scsi_port_group,
1048                         "scsi_port", &target_stat_scsi_port_cit);
1049         config_group_init_type_name(&lun->port_stat_grps.scsi_tgt_port_group,
1050                         "scsi_tgt_port", &target_stat_scsi_tgt_port_cit);
1051         config_group_init_type_name(&lun->port_stat_grps.scsi_transport_group,
1052                         "scsi_transport", &target_stat_scsi_transport_cit);
1053
1054         port_stat_grp->default_groups[0] = &lun->port_stat_grps.scsi_port_group;
1055         port_stat_grp->default_groups[1] = &lun->port_stat_grps.scsi_tgt_port_group;
1056         port_stat_grp->default_groups[2] = &lun->port_stat_grps.scsi_transport_group;
1057         port_stat_grp->default_groups[3] = NULL;
1058 }
1059
1060 /*
1061  * SCSI Authorized Initiator Table
1062  */
1063
1064 CONFIGFS_EATTR_STRUCT(target_stat_scsi_auth_intr, se_ml_stat_grps);
1065 #define DEV_STAT_SCSI_AUTH_INTR_ATTR(_name, _mode)                      \
1066 static struct target_stat_scsi_auth_intr_attribute                      \
1067                         target_stat_scsi_auth_intr_##_name =            \
1068         __CONFIGFS_EATTR(_name, _mode,                                  \
1069         target_stat_scsi_auth_intr_show_attr_##_name,                   \
1070         target_stat_scsi_auth_intr_store_attr_##_name);
1071
1072 #define DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(_name)                          \
1073 static struct target_stat_scsi_auth_intr_attribute                      \
1074                         target_stat_scsi_auth_intr_##_name =            \
1075         __CONFIGFS_EATTR_RO(_name,                                      \
1076         target_stat_scsi_auth_intr_show_attr_##_name);
1077
1078 static ssize_t target_stat_scsi_auth_intr_show_attr_inst(
1079         struct se_ml_stat_grps *lgrps, char *page)
1080 {
1081         struct se_lun_acl *lacl = container_of(lgrps,
1082                         struct se_lun_acl, ml_stat_grps);
1083         struct se_node_acl *nacl = lacl->se_lun_nacl;
1084         struct se_dev_entry *deve;
1085         struct se_portal_group *tpg;
1086         ssize_t ret;
1087
1088         spin_lock_irq(&nacl->device_list_lock);
1089         deve = nacl->device_list[lacl->mapped_lun];
1090         if (!deve->se_lun || !deve->se_lun_acl) {
1091                 spin_unlock_irq(&nacl->device_list_lock);
1092                 return -ENODEV;
1093         }
1094         tpg = nacl->se_tpg;
1095         /* scsiInstIndex */
1096         ret = snprintf(page, PAGE_SIZE, "%u\n",
1097                         tpg->se_tpg_tfo->tpg_get_inst_index(tpg));
1098         spin_unlock_irq(&nacl->device_list_lock);
1099         return ret;
1100 }
1101 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(inst);
1102
1103 static ssize_t target_stat_scsi_auth_intr_show_attr_dev(
1104         struct se_ml_stat_grps *lgrps, char *page)
1105 {
1106         struct se_lun_acl *lacl = container_of(lgrps,
1107                         struct se_lun_acl, ml_stat_grps);
1108         struct se_node_acl *nacl = lacl->se_lun_nacl;
1109         struct se_dev_entry *deve;
1110         struct se_lun *lun;
1111         ssize_t ret;
1112
1113         spin_lock_irq(&nacl->device_list_lock);
1114         deve = nacl->device_list[lacl->mapped_lun];
1115         if (!deve->se_lun || !deve->se_lun_acl) {
1116                 spin_unlock_irq(&nacl->device_list_lock);
1117                 return -ENODEV;
1118         }
1119         lun = deve->se_lun;
1120         /* scsiDeviceIndex */
1121         ret = snprintf(page, PAGE_SIZE, "%u\n", lun->lun_se_dev->dev_index);
1122         spin_unlock_irq(&nacl->device_list_lock);
1123         return ret;
1124 }
1125 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(dev);
1126
1127 static ssize_t target_stat_scsi_auth_intr_show_attr_port(
1128         struct se_ml_stat_grps *lgrps, char *page)
1129 {
1130         struct se_lun_acl *lacl = container_of(lgrps,
1131                         struct se_lun_acl, ml_stat_grps);
1132         struct se_node_acl *nacl = lacl->se_lun_nacl;
1133         struct se_dev_entry *deve;
1134         struct se_portal_group *tpg;
1135         ssize_t ret;
1136
1137         spin_lock_irq(&nacl->device_list_lock);
1138         deve = nacl->device_list[lacl->mapped_lun];
1139         if (!deve->se_lun || !deve->se_lun_acl) {
1140                 spin_unlock_irq(&nacl->device_list_lock);
1141                 return -ENODEV;
1142         }
1143         tpg = nacl->se_tpg;
1144         /* scsiAuthIntrTgtPortIndex */
1145         ret = snprintf(page, PAGE_SIZE, "%u\n", tpg->se_tpg_tfo->tpg_get_tag(tpg));
1146         spin_unlock_irq(&nacl->device_list_lock);
1147         return ret;
1148 }
1149 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(port);
1150
1151 static ssize_t target_stat_scsi_auth_intr_show_attr_indx(
1152         struct se_ml_stat_grps *lgrps, char *page)
1153 {
1154         struct se_lun_acl *lacl = container_of(lgrps,
1155                         struct se_lun_acl, ml_stat_grps);
1156         struct se_node_acl *nacl = lacl->se_lun_nacl;
1157         struct se_dev_entry *deve;
1158         ssize_t ret;
1159
1160         spin_lock_irq(&nacl->device_list_lock);
1161         deve = nacl->device_list[lacl->mapped_lun];
1162         if (!deve->se_lun || !deve->se_lun_acl) {
1163                 spin_unlock_irq(&nacl->device_list_lock);
1164                 return -ENODEV;
1165         }
1166         /* scsiAuthIntrIndex */
1167         ret = snprintf(page, PAGE_SIZE, "%u\n", nacl->acl_index);
1168         spin_unlock_irq(&nacl->device_list_lock);
1169         return ret;
1170 }
1171 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(indx);
1172
1173 static ssize_t target_stat_scsi_auth_intr_show_attr_dev_or_port(
1174         struct se_ml_stat_grps *lgrps, char *page)
1175 {
1176         struct se_lun_acl *lacl = container_of(lgrps,
1177                         struct se_lun_acl, ml_stat_grps);
1178         struct se_node_acl *nacl = lacl->se_lun_nacl;
1179         struct se_dev_entry *deve;
1180         ssize_t ret;
1181
1182         spin_lock_irq(&nacl->device_list_lock);
1183         deve = nacl->device_list[lacl->mapped_lun];
1184         if (!deve->se_lun || !deve->se_lun_acl) {
1185                 spin_unlock_irq(&nacl->device_list_lock);
1186                 return -ENODEV;
1187         }
1188         /* scsiAuthIntrDevOrPort */
1189         ret = snprintf(page, PAGE_SIZE, "%u\n", 1);
1190         spin_unlock_irq(&nacl->device_list_lock);
1191         return ret;
1192 }
1193 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(dev_or_port);
1194
1195 static ssize_t target_stat_scsi_auth_intr_show_attr_intr_name(
1196         struct se_ml_stat_grps *lgrps, char *page)
1197 {
1198         struct se_lun_acl *lacl = container_of(lgrps,
1199                         struct se_lun_acl, ml_stat_grps);
1200         struct se_node_acl *nacl = lacl->se_lun_nacl;
1201         struct se_dev_entry *deve;
1202         ssize_t ret;
1203
1204         spin_lock_irq(&nacl->device_list_lock);
1205         deve = nacl->device_list[lacl->mapped_lun];
1206         if (!deve->se_lun || !deve->se_lun_acl) {
1207                 spin_unlock_irq(&nacl->device_list_lock);
1208                 return -ENODEV;
1209         }
1210         /* scsiAuthIntrName */
1211         ret = snprintf(page, PAGE_SIZE, "%s\n", nacl->initiatorname);
1212         spin_unlock_irq(&nacl->device_list_lock);
1213         return ret;
1214 }
1215 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(intr_name);
1216
1217 static ssize_t target_stat_scsi_auth_intr_show_attr_map_indx(
1218         struct se_ml_stat_grps *lgrps, char *page)
1219 {
1220         struct se_lun_acl *lacl = container_of(lgrps,
1221                         struct se_lun_acl, ml_stat_grps);
1222         struct se_node_acl *nacl = lacl->se_lun_nacl;
1223         struct se_dev_entry *deve;
1224         ssize_t ret;
1225
1226         spin_lock_irq(&nacl->device_list_lock);
1227         deve = nacl->device_list[lacl->mapped_lun];
1228         if (!deve->se_lun || !deve->se_lun_acl) {
1229                 spin_unlock_irq(&nacl->device_list_lock);
1230                 return -ENODEV;
1231         }
1232         /* FIXME: scsiAuthIntrLunMapIndex */
1233         ret = snprintf(page, PAGE_SIZE, "%u\n", 0);
1234         spin_unlock_irq(&nacl->device_list_lock);
1235         return ret;
1236 }
1237 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(map_indx);
1238
1239 static ssize_t target_stat_scsi_auth_intr_show_attr_att_count(
1240         struct se_ml_stat_grps *lgrps, char *page)
1241 {
1242         struct se_lun_acl *lacl = container_of(lgrps,
1243                         struct se_lun_acl, ml_stat_grps);
1244         struct se_node_acl *nacl = lacl->se_lun_nacl;
1245         struct se_dev_entry *deve;
1246         ssize_t ret;
1247
1248         spin_lock_irq(&nacl->device_list_lock);
1249         deve = nacl->device_list[lacl->mapped_lun];
1250         if (!deve->se_lun || !deve->se_lun_acl) {
1251                 spin_unlock_irq(&nacl->device_list_lock);
1252                 return -ENODEV;
1253         }
1254         /* scsiAuthIntrAttachedTimes */
1255         ret = snprintf(page, PAGE_SIZE, "%u\n", deve->attach_count);
1256         spin_unlock_irq(&nacl->device_list_lock);
1257         return ret;
1258 }
1259 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(att_count);
1260
1261 static ssize_t target_stat_scsi_auth_intr_show_attr_num_cmds(
1262         struct se_ml_stat_grps *lgrps, char *page)
1263 {
1264         struct se_lun_acl *lacl = container_of(lgrps,
1265                         struct se_lun_acl, ml_stat_grps);
1266         struct se_node_acl *nacl = lacl->se_lun_nacl;
1267         struct se_dev_entry *deve;
1268         ssize_t ret;
1269
1270         spin_lock_irq(&nacl->device_list_lock);
1271         deve = nacl->device_list[lacl->mapped_lun];
1272         if (!deve->se_lun || !deve->se_lun_acl) {
1273                 spin_unlock_irq(&nacl->device_list_lock);
1274                 return -ENODEV;
1275         }
1276         /* scsiAuthIntrOutCommands */
1277         ret = snprintf(page, PAGE_SIZE, "%u\n", deve->total_cmds);
1278         spin_unlock_irq(&nacl->device_list_lock);
1279         return ret;
1280 }
1281 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(num_cmds);
1282
1283 static ssize_t target_stat_scsi_auth_intr_show_attr_read_mbytes(
1284         struct se_ml_stat_grps *lgrps, char *page)
1285 {
1286         struct se_lun_acl *lacl = container_of(lgrps,
1287                         struct se_lun_acl, ml_stat_grps);
1288         struct se_node_acl *nacl = lacl->se_lun_nacl;
1289         struct se_dev_entry *deve;
1290         ssize_t ret;
1291
1292         spin_lock_irq(&nacl->device_list_lock);
1293         deve = nacl->device_list[lacl->mapped_lun];
1294         if (!deve->se_lun || !deve->se_lun_acl) {
1295                 spin_unlock_irq(&nacl->device_list_lock);
1296                 return -ENODEV;
1297         }
1298         /* scsiAuthIntrReadMegaBytes */
1299         ret = snprintf(page, PAGE_SIZE, "%u\n", (u32)(deve->read_bytes >> 20));
1300         spin_unlock_irq(&nacl->device_list_lock);
1301         return ret;
1302 }
1303 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(read_mbytes);
1304
1305 static ssize_t target_stat_scsi_auth_intr_show_attr_write_mbytes(
1306         struct se_ml_stat_grps *lgrps, char *page)
1307 {
1308         struct se_lun_acl *lacl = container_of(lgrps,
1309                         struct se_lun_acl, ml_stat_grps);
1310         struct se_node_acl *nacl = lacl->se_lun_nacl;
1311         struct se_dev_entry *deve;
1312         ssize_t ret;
1313
1314         spin_lock_irq(&nacl->device_list_lock);
1315         deve = nacl->device_list[lacl->mapped_lun];
1316         if (!deve->se_lun || !deve->se_lun_acl) {
1317                 spin_unlock_irq(&nacl->device_list_lock);
1318                 return -ENODEV;
1319         }
1320         /* scsiAuthIntrWrittenMegaBytes */
1321         ret = snprintf(page, PAGE_SIZE, "%u\n", (u32)(deve->write_bytes >> 20));
1322         spin_unlock_irq(&nacl->device_list_lock);
1323         return ret;
1324 }
1325 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(write_mbytes);
1326
1327 static ssize_t target_stat_scsi_auth_intr_show_attr_hs_num_cmds(
1328         struct se_ml_stat_grps *lgrps, char *page)
1329 {
1330         struct se_lun_acl *lacl = container_of(lgrps,
1331                         struct se_lun_acl, ml_stat_grps);
1332         struct se_node_acl *nacl = lacl->se_lun_nacl;
1333         struct se_dev_entry *deve;
1334         ssize_t ret;
1335
1336         spin_lock_irq(&nacl->device_list_lock);
1337         deve = nacl->device_list[lacl->mapped_lun];
1338         if (!deve->se_lun || !deve->se_lun_acl) {
1339                 spin_unlock_irq(&nacl->device_list_lock);
1340                 return -ENODEV;
1341         }
1342         /* FIXME: scsiAuthIntrHSOutCommands */
1343         ret = snprintf(page, PAGE_SIZE, "%u\n", 0);
1344         spin_unlock_irq(&nacl->device_list_lock);
1345         return ret;
1346 }
1347 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(hs_num_cmds);
1348
1349 static ssize_t target_stat_scsi_auth_intr_show_attr_creation_time(
1350         struct se_ml_stat_grps *lgrps, char *page)
1351 {
1352         struct se_lun_acl *lacl = container_of(lgrps,
1353                         struct se_lun_acl, ml_stat_grps);
1354         struct se_node_acl *nacl = lacl->se_lun_nacl;
1355         struct se_dev_entry *deve;
1356         ssize_t ret;
1357
1358         spin_lock_irq(&nacl->device_list_lock);
1359         deve = nacl->device_list[lacl->mapped_lun];
1360         if (!deve->se_lun || !deve->se_lun_acl) {
1361                 spin_unlock_irq(&nacl->device_list_lock);
1362                 return -ENODEV;
1363         }
1364         /* scsiAuthIntrLastCreation */
1365         ret = snprintf(page, PAGE_SIZE, "%u\n", (u32)(((u32)deve->creation_time -
1366                                 INITIAL_JIFFIES) * 100 / HZ));
1367         spin_unlock_irq(&nacl->device_list_lock);
1368         return ret;
1369 }
1370 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(creation_time);
1371
1372 static ssize_t target_stat_scsi_auth_intr_show_attr_row_status(
1373         struct se_ml_stat_grps *lgrps, char *page)
1374 {
1375         struct se_lun_acl *lacl = container_of(lgrps,
1376                         struct se_lun_acl, ml_stat_grps);
1377         struct se_node_acl *nacl = lacl->se_lun_nacl;
1378         struct se_dev_entry *deve;
1379         ssize_t ret;
1380
1381         spin_lock_irq(&nacl->device_list_lock);
1382         deve = nacl->device_list[lacl->mapped_lun];
1383         if (!deve->se_lun || !deve->se_lun_acl) {
1384                 spin_unlock_irq(&nacl->device_list_lock);
1385                 return -ENODEV;
1386         }
1387         /* FIXME: scsiAuthIntrRowStatus */
1388         ret = snprintf(page, PAGE_SIZE, "Ready\n");
1389         spin_unlock_irq(&nacl->device_list_lock);
1390         return ret;
1391 }
1392 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(row_status);
1393
1394 CONFIGFS_EATTR_OPS(target_stat_scsi_auth_intr, se_ml_stat_grps,
1395                 scsi_auth_intr_group);
1396
1397 static struct configfs_attribute *target_stat_scsi_auth_intr_attrs[] = {
1398         &target_stat_scsi_auth_intr_inst.attr,
1399         &target_stat_scsi_auth_intr_dev.attr,
1400         &target_stat_scsi_auth_intr_port.attr,
1401         &target_stat_scsi_auth_intr_indx.attr,
1402         &target_stat_scsi_auth_intr_dev_or_port.attr,
1403         &target_stat_scsi_auth_intr_intr_name.attr,
1404         &target_stat_scsi_auth_intr_map_indx.attr,
1405         &target_stat_scsi_auth_intr_att_count.attr,
1406         &target_stat_scsi_auth_intr_num_cmds.attr,
1407         &target_stat_scsi_auth_intr_read_mbytes.attr,
1408         &target_stat_scsi_auth_intr_write_mbytes.attr,
1409         &target_stat_scsi_auth_intr_hs_num_cmds.attr,
1410         &target_stat_scsi_auth_intr_creation_time.attr,
1411         &target_stat_scsi_auth_intr_row_status.attr,
1412         NULL,
1413 };
1414
1415 static struct configfs_item_operations target_stat_scsi_auth_intr_attrib_ops = {
1416         .show_attribute         = target_stat_scsi_auth_intr_attr_show,
1417         .store_attribute        = target_stat_scsi_auth_intr_attr_store,
1418 };
1419
1420 static struct config_item_type target_stat_scsi_auth_intr_cit = {
1421         .ct_item_ops            = &target_stat_scsi_auth_intr_attrib_ops,
1422         .ct_attrs               = target_stat_scsi_auth_intr_attrs,
1423         .ct_owner               = THIS_MODULE,
1424 };
1425
1426 /*
1427  * SCSI Attached Initiator Port Table
1428  */
1429
1430 CONFIGFS_EATTR_STRUCT(target_stat_scsi_att_intr_port, se_ml_stat_grps);
1431 #define DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR(_name, _mode)                 \
1432 static struct target_stat_scsi_att_intr_port_attribute                  \
1433                 target_stat_scsi_att_intr_port_##_name =                \
1434         __CONFIGFS_EATTR(_name, _mode,                                  \
1435         target_stat_scsi_att_intr_port_show_attr_##_name,               \
1436         target_stat_scsi_att_intr_port_store_attr_##_name);
1437
1438 #define DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR_RO(_name)                     \
1439 static struct target_stat_scsi_att_intr_port_attribute                  \
1440                 target_stat_scsi_att_intr_port_##_name =                \
1441         __CONFIGFS_EATTR_RO(_name,                                      \
1442         target_stat_scsi_att_intr_port_show_attr_##_name);
1443
1444 static ssize_t target_stat_scsi_att_intr_port_show_attr_inst(
1445         struct se_ml_stat_grps *lgrps, char *page)
1446 {
1447         struct se_lun_acl *lacl = container_of(lgrps,
1448                         struct se_lun_acl, ml_stat_grps);
1449         struct se_node_acl *nacl = lacl->se_lun_nacl;
1450         struct se_dev_entry *deve;
1451         struct se_portal_group *tpg;
1452         ssize_t ret;
1453
1454         spin_lock_irq(&nacl->device_list_lock);
1455         deve = nacl->device_list[lacl->mapped_lun];
1456         if (!deve->se_lun || !deve->se_lun_acl) {
1457                 spin_unlock_irq(&nacl->device_list_lock);
1458                 return -ENODEV;
1459         }
1460         tpg = nacl->se_tpg;
1461         /* scsiInstIndex */
1462         ret = snprintf(page, PAGE_SIZE, "%u\n",
1463                         tpg->se_tpg_tfo->tpg_get_inst_index(tpg));
1464         spin_unlock_irq(&nacl->device_list_lock);
1465         return ret;
1466 }
1467 DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR_RO(inst);
1468
1469 static ssize_t target_stat_scsi_att_intr_port_show_attr_dev(
1470         struct se_ml_stat_grps *lgrps, char *page)
1471 {
1472         struct se_lun_acl *lacl = container_of(lgrps,
1473                         struct se_lun_acl, ml_stat_grps);
1474         struct se_node_acl *nacl = lacl->se_lun_nacl;
1475         struct se_dev_entry *deve;
1476         struct se_lun *lun;
1477         ssize_t ret;
1478
1479         spin_lock_irq(&nacl->device_list_lock);
1480         deve = nacl->device_list[lacl->mapped_lun];
1481         if (!deve->se_lun || !deve->se_lun_acl) {
1482                 spin_unlock_irq(&nacl->device_list_lock);
1483                 return -ENODEV;
1484         }
1485         lun = deve->se_lun;
1486         /* scsiDeviceIndex */
1487         ret = snprintf(page, PAGE_SIZE, "%u\n", lun->lun_se_dev->dev_index);
1488         spin_unlock_irq(&nacl->device_list_lock);
1489         return ret;
1490 }
1491 DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR_RO(dev);
1492
1493 static ssize_t target_stat_scsi_att_intr_port_show_attr_port(
1494         struct se_ml_stat_grps *lgrps, char *page)
1495 {
1496         struct se_lun_acl *lacl = container_of(lgrps,
1497                         struct se_lun_acl, ml_stat_grps);
1498         struct se_node_acl *nacl = lacl->se_lun_nacl;
1499         struct se_dev_entry *deve;
1500         struct se_portal_group *tpg;
1501         ssize_t ret;
1502
1503         spin_lock_irq(&nacl->device_list_lock);
1504         deve = nacl->device_list[lacl->mapped_lun];
1505         if (!deve->se_lun || !deve->se_lun_acl) {
1506                 spin_unlock_irq(&nacl->device_list_lock);
1507                 return -ENODEV;
1508         }
1509         tpg = nacl->se_tpg;
1510         /* scsiPortIndex */
1511         ret = snprintf(page, PAGE_SIZE, "%u\n", tpg->se_tpg_tfo->tpg_get_tag(tpg));
1512         spin_unlock_irq(&nacl->device_list_lock);
1513         return ret;
1514 }
1515 DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR_RO(port);
1516
1517 static ssize_t target_stat_scsi_att_intr_port_show_attr_indx(
1518         struct se_ml_stat_grps *lgrps, char *page)
1519 {
1520         struct se_lun_acl *lacl = container_of(lgrps,
1521                         struct se_lun_acl, ml_stat_grps);
1522         struct se_node_acl *nacl = lacl->se_lun_nacl;
1523         struct se_session *se_sess;
1524         struct se_portal_group *tpg;
1525         ssize_t ret;
1526
1527         spin_lock_irq(&nacl->nacl_sess_lock);
1528         se_sess = nacl->nacl_sess;
1529         if (!se_sess) {
1530                 spin_unlock_irq(&nacl->nacl_sess_lock);
1531                 return -ENODEV;
1532         }
1533
1534         tpg = nacl->se_tpg;
1535         /* scsiAttIntrPortIndex */
1536         ret = snprintf(page, PAGE_SIZE, "%u\n",
1537                         tpg->se_tpg_tfo->sess_get_index(se_sess));
1538         spin_unlock_irq(&nacl->nacl_sess_lock);
1539         return ret;
1540 }
1541 DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR_RO(indx);
1542
1543 static ssize_t target_stat_scsi_att_intr_port_show_attr_port_auth_indx(
1544         struct se_ml_stat_grps *lgrps, char *page)
1545 {
1546         struct se_lun_acl *lacl = container_of(lgrps,
1547                         struct se_lun_acl, ml_stat_grps);
1548         struct se_node_acl *nacl = lacl->se_lun_nacl;
1549         struct se_dev_entry *deve;
1550         ssize_t ret;
1551
1552         spin_lock_irq(&nacl->device_list_lock);
1553         deve = nacl->device_list[lacl->mapped_lun];
1554         if (!deve->se_lun || !deve->se_lun_acl) {
1555                 spin_unlock_irq(&nacl->device_list_lock);
1556                 return -ENODEV;
1557         }
1558         /* scsiAttIntrPortAuthIntrIdx */
1559         ret = snprintf(page, PAGE_SIZE, "%u\n", nacl->acl_index);
1560         spin_unlock_irq(&nacl->device_list_lock);
1561         return ret;
1562 }
1563 DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR_RO(port_auth_indx);
1564
1565 static ssize_t target_stat_scsi_att_intr_port_show_attr_port_ident(
1566         struct se_ml_stat_grps *lgrps, char *page)
1567 {
1568         struct se_lun_acl *lacl = container_of(lgrps,
1569                         struct se_lun_acl, ml_stat_grps);
1570         struct se_node_acl *nacl = lacl->se_lun_nacl;
1571         struct se_session *se_sess;
1572         struct se_portal_group *tpg;
1573         ssize_t ret;
1574         unsigned char buf[64];
1575
1576         spin_lock_irq(&nacl->nacl_sess_lock);
1577         se_sess = nacl->nacl_sess;
1578         if (!se_sess) {
1579                 spin_unlock_irq(&nacl->nacl_sess_lock);
1580                 return -ENODEV;
1581         }
1582
1583         tpg = nacl->se_tpg;
1584         /* scsiAttIntrPortName+scsiAttIntrPortIdentifier */
1585         memset(buf, 0, 64);
1586         if (tpg->se_tpg_tfo->sess_get_initiator_sid != NULL)
1587                 tpg->se_tpg_tfo->sess_get_initiator_sid(se_sess, buf, 64);
1588
1589         ret = snprintf(page, PAGE_SIZE, "%s+i+%s\n", nacl->initiatorname, buf);
1590         spin_unlock_irq(&nacl->nacl_sess_lock);
1591         return ret;
1592 }
1593 DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR_RO(port_ident);
1594
1595 CONFIGFS_EATTR_OPS(target_stat_scsi_att_intr_port, se_ml_stat_grps,
1596                 scsi_att_intr_port_group);
1597
1598 static struct configfs_attribute *target_stat_scsi_ath_intr_port_attrs[] = {
1599         &target_stat_scsi_att_intr_port_inst.attr,
1600         &target_stat_scsi_att_intr_port_dev.attr,
1601         &target_stat_scsi_att_intr_port_port.attr,
1602         &target_stat_scsi_att_intr_port_indx.attr,
1603         &target_stat_scsi_att_intr_port_port_auth_indx.attr,
1604         &target_stat_scsi_att_intr_port_port_ident.attr,
1605         NULL,
1606 };
1607
1608 static struct configfs_item_operations target_stat_scsi_att_intr_port_attrib_ops = {
1609         .show_attribute         = target_stat_scsi_att_intr_port_attr_show,
1610         .store_attribute        = target_stat_scsi_att_intr_port_attr_store,
1611 };
1612
1613 static struct config_item_type target_stat_scsi_att_intr_port_cit = {
1614         .ct_item_ops            = &target_stat_scsi_att_intr_port_attrib_ops,
1615         .ct_attrs               = target_stat_scsi_ath_intr_port_attrs,
1616         .ct_owner               = THIS_MODULE,
1617 };
1618
1619 /*
1620  * Called from target_core_fabric_configfs.c:target_fabric_make_mappedlun() to setup
1621  * the target MappedLUN statistics groups + configfs CITs located in target_core_stat.c
1622  */
1623 void target_stat_setup_mappedlun_default_groups(struct se_lun_acl *lacl)
1624 {
1625         struct config_group *ml_stat_grp = &lacl->ml_stat_grps.stat_group;
1626
1627         config_group_init_type_name(&lacl->ml_stat_grps.scsi_auth_intr_group,
1628                         "scsi_auth_intr", &target_stat_scsi_auth_intr_cit);
1629         config_group_init_type_name(&lacl->ml_stat_grps.scsi_att_intr_port_group,
1630                         "scsi_att_intr_port", &target_stat_scsi_att_intr_port_cit);
1631
1632         ml_stat_grp->default_groups[0] = &lacl->ml_stat_grps.scsi_auth_intr_group;
1633         ml_stat_grp->default_groups[1] = &lacl->ml_stat_grps.scsi_att_intr_port_group;
1634         ml_stat_grp->default_groups[2] = NULL;
1635 }