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