linux/drivers/target/target_core_stat.c
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   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
  62CONFIGFS_EATTR_STRUCT(target_stat_scsi_dev, se_dev_stat_grps);
  63#define DEV_STAT_SCSI_DEV_ATTR(_name, _mode)                            \
  64static 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)                                \
  71static 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
  76static 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}
  85DEV_STAT_SCSI_DEV_ATTR_RO(inst);
  86
  87static 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}
  95DEV_STAT_SCSI_DEV_ATTR_RO(indx);
  96
  97static 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}
 102DEV_STAT_SCSI_DEV_ATTR_RO(role);
 103
 104static 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}
 112DEV_STAT_SCSI_DEV_ATTR_RO(ports);
 113
 114CONFIGFS_EATTR_OPS(target_stat_scsi_dev, se_dev_stat_grps, scsi_dev_group);
 115
 116static 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
 124static 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
 129static 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
 139CONFIGFS_EATTR_STRUCT(target_stat_scsi_tgt_dev, se_dev_stat_grps);
 140#define DEV_STAT_SCSI_TGT_DEV_ATTR(_name, _mode)                        \
 141static 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)                            \
 148static 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
 153static 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}
 162DEV_STAT_SCSI_TGT_DEV_ATTR_RO(inst);
 163
 164static 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}
 172DEV_STAT_SCSI_TGT_DEV_ATTR_RO(indx);
 173
 174static 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}
 179DEV_STAT_SCSI_TGT_DEV_ATTR_RO(num_lus);
 180
 181static 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}
 192DEV_STAT_SCSI_TGT_DEV_ATTR_RO(status);
 193
 194static 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}
 208DEV_STAT_SCSI_TGT_DEV_ATTR_RO(non_access_lus);
 209
 210static 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}
 219DEV_STAT_SCSI_TGT_DEV_ATTR_RO(resets);
 220
 221
 222CONFIGFS_EATTR_OPS(target_stat_scsi_tgt_dev, se_dev_stat_grps, scsi_tgt_dev_group);
 223
 224static 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
 234static 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
 239static 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
 249CONFIGFS_EATTR_STRUCT(target_stat_scsi_lu, se_dev_stat_grps);
 250#define DEV_STAT_SCSI_LU_ATTR(_name, _mode)                             \
 251static 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)                                 \
 257static 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
 261static 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}
 270DEV_STAT_SCSI_LU_ATTR_RO(inst);
 271
 272static 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}
 280DEV_STAT_SCSI_LU_ATTR_RO(dev);
 281
 282static 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}
 287DEV_STAT_SCSI_LU_ATTR_RO(indx);
 288
 289static 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}
 295DEV_STAT_SCSI_LU_ATTR_RO(lun);
 296
 297static 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}
 308DEV_STAT_SCSI_LU_ATTR_RO(lu_name);
 309
 310static 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}
 325DEV_STAT_SCSI_LU_ATTR_RO(vend);
 326
 327static 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}
 342DEV_STAT_SCSI_LU_ATTR_RO(prod);
 343
 344static 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}
 359DEV_STAT_SCSI_LU_ATTR_RO(rev);
 360
 361static 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}
 371DEV_STAT_SCSI_LU_ATTR_RO(dev_type);
 372
 373static 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}
 383DEV_STAT_SCSI_LU_ATTR_RO(status);
 384
 385static 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}
 391DEV_STAT_SCSI_LU_ATTR_RO(state_bit);
 392
 393static 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}
 403DEV_STAT_SCSI_LU_ATTR_RO(num_cmds);
 404
 405static 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}
 415DEV_STAT_SCSI_LU_ATTR_RO(read_mbytes);
 416
 417static 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}
 427DEV_STAT_SCSI_LU_ATTR_RO(write_mbytes);
 428
 429static 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}
 438DEV_STAT_SCSI_LU_ATTR_RO(resets);
 439
 440static 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}
 446DEV_STAT_SCSI_LU_ATTR_RO(full_stat);
 447
 448static 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}
 454DEV_STAT_SCSI_LU_ATTR_RO(hs_num_cmds);
 455
 456static 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}
 466DEV_STAT_SCSI_LU_ATTR_RO(creation_time);
 467
 468CONFIGFS_EATTR_OPS(target_stat_scsi_lu, se_dev_stat_grps, scsi_lu_group);
 469
 470static 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
 492static 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
 497static 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 */
 507void 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
 528CONFIGFS_EATTR_STRUCT(target_stat_scsi_port, se_port_stat_grps);
 529#define DEV_STAT_SCSI_PORT_ATTR(_name, _mode)                           \
 530static 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)                               \
 537static 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
 542static 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}
 562DEV_STAT_SCSI_PORT_ATTR_RO(inst);
 563
 564static 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}
 582DEV_STAT_SCSI_PORT_ATTR_RO(dev);
 583
 584static 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}
 601DEV_STAT_SCSI_PORT_ATTR_RO(indx);
 602
 603static 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}
 624DEV_STAT_SCSI_PORT_ATTR_RO(role);
 625
 626static 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}
 644DEV_STAT_SCSI_PORT_ATTR_RO(busy_count);
 645
 646CONFIGFS_EATTR_OPS(target_stat_scsi_port, se_port_stat_grps, scsi_port_group);
 647
 648static 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
 657static 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
 662static 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 */
 671CONFIGFS_EATTR_STRUCT(target_stat_scsi_tgt_port, se_port_stat_grps);
 672#define DEV_STAT_SCSI_TGT_PORT_ATTR(_name, _mode)                       \
 673static 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)                           \
 680static 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
 685static 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}
 705DEV_STAT_SCSI_TGT_PORT_ATTR_RO(inst);
 706
 707static 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}
 725DEV_STAT_SCSI_TGT_PORT_ATTR_RO(dev);
 726
 727static 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}
 744DEV_STAT_SCSI_TGT_PORT_ATTR_RO(indx);
 745
 746static 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}
 767DEV_STAT_SCSI_TGT_PORT_ATTR_RO(name);
 768
 769static 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}
 791DEV_STAT_SCSI_TGT_PORT_ATTR_RO(port_index);
 792
 793static 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}
 811DEV_STAT_SCSI_TGT_PORT_ATTR_RO(in_cmds);
 812
 813static 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}
 832DEV_STAT_SCSI_TGT_PORT_ATTR_RO(write_mbytes);
 833
 834static 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}
 853DEV_STAT_SCSI_TGT_PORT_ATTR_RO(read_mbytes);
 854
 855static 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}
 874DEV_STAT_SCSI_TGT_PORT_ATTR_RO(hs_in_cmds);
 875
 876CONFIGFS_EATTR_OPS(target_stat_scsi_tgt_port, se_port_stat_grps,
 877                scsi_tgt_port_group);
 878
 879static 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
 892static 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
 897static 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
 905o */
 906
 907CONFIGFS_EATTR_STRUCT(target_stat_scsi_transport, se_port_stat_grps);
 908#define DEV_STAT_SCSI_TRANSPORT_ATTR(_name, _mode)                      \
 909static 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)                          \
 916static 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
 921static 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}
 942DEV_STAT_SCSI_TRANSPORT_ATTR_RO(inst);
 943
 944static 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}
 965DEV_STAT_SCSI_TRANSPORT_ATTR_RO(device);
 966
 967static 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}
 987DEV_STAT_SCSI_TRANSPORT_ATTR_RO(indx);
 988
 989static 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}
1015DEV_STAT_SCSI_TRANSPORT_ATTR_RO(dev_name);
1016
1017CONFIGFS_EATTR_OPS(target_stat_scsi_transport, se_port_stat_grps,
1018                scsi_transport_group);
1019
1020static 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
1028static 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
1033static 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 */
1043void 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
1064CONFIGFS_EATTR_STRUCT(target_stat_scsi_auth_intr, se_ml_stat_grps);
1065#define DEV_STAT_SCSI_AUTH_INTR_ATTR(_name, _mode)                      \
1066static 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)                          \
1073static 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
1078static 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}
1101DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(inst);
1102
1103static 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}
1125DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(dev);
1126
1127static 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}
1149DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(port);
1150
1151static 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}
1171DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(indx);
1172
1173static 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}
1193DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(dev_or_port);
1194
1195static 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}
1215DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(intr_name);
1216
1217static 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}
1237DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(map_indx);
1238
1239static 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}
1259DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(att_count);
1260
1261static 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}
1281DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(num_cmds);
1282
1283static 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}
1303DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(read_mbytes);
1304
1305static 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}
1325DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(write_mbytes);
1326
1327static 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}
1347DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(hs_num_cmds);
1348
1349static 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}
1370DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(creation_time);
1371
1372static 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}
1392DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(row_status);
1393
1394CONFIGFS_EATTR_OPS(target_stat_scsi_auth_intr, se_ml_stat_grps,
1395                scsi_auth_intr_group);
1396
1397static 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
1415static 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
1420static 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
1430CONFIGFS_EATTR_STRUCT(target_stat_scsi_att_intr_port, se_ml_stat_grps);
1431#define DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR(_name, _mode)                 \
1432static 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)                     \
1439static 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
1444static 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}
1467DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR_RO(inst);
1468
1469static 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}
1491DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR_RO(dev);
1492
1493static 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}
1515DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR_RO(port);
1516
1517static 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}
1541DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR_RO(indx);
1542
1543static 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}
1563DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR_RO(port_auth_indx);
1564
1565static 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}
1593DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR_RO(port_ident);
1594
1595CONFIGFS_EATTR_OPS(target_stat_scsi_att_intr_port, se_ml_stat_grps,
1596                scsi_att_intr_port_group);
1597
1598static 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
1608static 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
1613static 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 */
1623void 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}
1636