1559 lines
45 KiB
C
1559 lines
45 KiB
C
/*******************************************************************************
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* Filename: target_core_stat.c
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*
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* Modern ConfigFS group context specific statistics based on original
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* target_core_mib.c code
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*
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* (c) Copyright 2006-2013 Datera, Inc.
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*
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* Nicholas A. Bellinger <nab@linux-iscsi.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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******************************************************************************/
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/delay.h>
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#include <linux/timer.h>
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#include <linux/string.h>
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#include <linux/utsname.h>
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#include <linux/proc_fs.h>
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#include <linux/seq_file.h>
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#include <linux/configfs.h>
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#include <target/target_core_base.h>
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#include <target/target_core_backend.h>
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#include <target/target_core_fabric.h>
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#include <target/configfs_macros.h>
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#include "target_core_internal.h"
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#ifndef INITIAL_JIFFIES
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#define INITIAL_JIFFIES ((unsigned long)(unsigned int) (-300*HZ))
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#endif
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#define NONE "None"
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#define ISPRINT(a) ((a >= ' ') && (a <= '~'))
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#define SCSI_LU_INDEX 1
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#define LU_COUNT 1
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/*
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* SCSI Device Table
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*/
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CONFIGFS_EATTR_STRUCT(target_stat_scsi_dev, se_dev_stat_grps);
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#define DEV_STAT_SCSI_DEV_ATTR(_name, _mode) \
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static struct target_stat_scsi_dev_attribute \
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target_stat_scsi_dev_##_name = \
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__CONFIGFS_EATTR(_name, _mode, \
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target_stat_scsi_dev_show_attr_##_name, \
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target_stat_scsi_dev_store_attr_##_name);
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#define DEV_STAT_SCSI_DEV_ATTR_RO(_name) \
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static struct target_stat_scsi_dev_attribute \
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target_stat_scsi_dev_##_name = \
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__CONFIGFS_EATTR_RO(_name, \
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target_stat_scsi_dev_show_attr_##_name);
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static ssize_t target_stat_scsi_dev_show_attr_inst(
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struct se_dev_stat_grps *sgrps, char *page)
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{
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struct se_device *dev =
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container_of(sgrps, struct se_device, dev_stat_grps);
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struct se_hba *hba = dev->se_hba;
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return snprintf(page, PAGE_SIZE, "%u\n", hba->hba_index);
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}
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DEV_STAT_SCSI_DEV_ATTR_RO(inst);
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static ssize_t target_stat_scsi_dev_show_attr_indx(
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struct se_dev_stat_grps *sgrps, char *page)
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{
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struct se_device *dev =
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container_of(sgrps, struct se_device, dev_stat_grps);
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return snprintf(page, PAGE_SIZE, "%u\n", dev->dev_index);
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}
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DEV_STAT_SCSI_DEV_ATTR_RO(indx);
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static ssize_t target_stat_scsi_dev_show_attr_role(
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struct se_dev_stat_grps *sgrps, char *page)
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{
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return snprintf(page, PAGE_SIZE, "Target\n");
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}
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DEV_STAT_SCSI_DEV_ATTR_RO(role);
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static ssize_t target_stat_scsi_dev_show_attr_ports(
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struct se_dev_stat_grps *sgrps, char *page)
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{
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struct se_device *dev =
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container_of(sgrps, struct se_device, dev_stat_grps);
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return snprintf(page, PAGE_SIZE, "%u\n", dev->export_count);
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}
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DEV_STAT_SCSI_DEV_ATTR_RO(ports);
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CONFIGFS_EATTR_OPS(target_stat_scsi_dev, se_dev_stat_grps, scsi_dev_group);
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static struct configfs_attribute *target_stat_scsi_dev_attrs[] = {
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&target_stat_scsi_dev_inst.attr,
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&target_stat_scsi_dev_indx.attr,
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&target_stat_scsi_dev_role.attr,
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&target_stat_scsi_dev_ports.attr,
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NULL,
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};
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static struct configfs_item_operations target_stat_scsi_dev_attrib_ops = {
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.show_attribute = target_stat_scsi_dev_attr_show,
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.store_attribute = target_stat_scsi_dev_attr_store,
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};
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static struct config_item_type target_stat_scsi_dev_cit = {
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.ct_item_ops = &target_stat_scsi_dev_attrib_ops,
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.ct_attrs = target_stat_scsi_dev_attrs,
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.ct_owner = THIS_MODULE,
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};
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/*
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* SCSI Target Device Table
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*/
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CONFIGFS_EATTR_STRUCT(target_stat_scsi_tgt_dev, se_dev_stat_grps);
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#define DEV_STAT_SCSI_TGT_DEV_ATTR(_name, _mode) \
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static struct target_stat_scsi_tgt_dev_attribute \
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target_stat_scsi_tgt_dev_##_name = \
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__CONFIGFS_EATTR(_name, _mode, \
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target_stat_scsi_tgt_dev_show_attr_##_name, \
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target_stat_scsi_tgt_dev_store_attr_##_name);
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#define DEV_STAT_SCSI_TGT_DEV_ATTR_RO(_name) \
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static struct target_stat_scsi_tgt_dev_attribute \
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target_stat_scsi_tgt_dev_##_name = \
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__CONFIGFS_EATTR_RO(_name, \
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target_stat_scsi_tgt_dev_show_attr_##_name);
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static ssize_t target_stat_scsi_tgt_dev_show_attr_inst(
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struct se_dev_stat_grps *sgrps, char *page)
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{
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struct se_device *dev =
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container_of(sgrps, struct se_device, dev_stat_grps);
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struct se_hba *hba = dev->se_hba;
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return snprintf(page, PAGE_SIZE, "%u\n", hba->hba_index);
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}
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DEV_STAT_SCSI_TGT_DEV_ATTR_RO(inst);
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static ssize_t target_stat_scsi_tgt_dev_show_attr_indx(
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struct se_dev_stat_grps *sgrps, char *page)
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{
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struct se_device *dev =
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container_of(sgrps, struct se_device, dev_stat_grps);
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return snprintf(page, PAGE_SIZE, "%u\n", dev->dev_index);
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}
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DEV_STAT_SCSI_TGT_DEV_ATTR_RO(indx);
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static ssize_t target_stat_scsi_tgt_dev_show_attr_num_lus(
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struct se_dev_stat_grps *sgrps, char *page)
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{
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return snprintf(page, PAGE_SIZE, "%u\n", LU_COUNT);
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}
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DEV_STAT_SCSI_TGT_DEV_ATTR_RO(num_lus);
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static ssize_t target_stat_scsi_tgt_dev_show_attr_status(
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struct se_dev_stat_grps *sgrps, char *page)
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{
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struct se_device *dev =
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container_of(sgrps, struct se_device, dev_stat_grps);
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if (dev->export_count)
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return snprintf(page, PAGE_SIZE, "activated");
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else
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return snprintf(page, PAGE_SIZE, "deactivated");
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}
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DEV_STAT_SCSI_TGT_DEV_ATTR_RO(status);
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static ssize_t target_stat_scsi_tgt_dev_show_attr_non_access_lus(
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struct se_dev_stat_grps *sgrps, char *page)
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{
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struct se_device *dev =
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container_of(sgrps, struct se_device, dev_stat_grps);
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int non_accessible_lus;
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if (dev->export_count)
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non_accessible_lus = 0;
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else
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non_accessible_lus = 1;
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return snprintf(page, PAGE_SIZE, "%u\n", non_accessible_lus);
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}
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DEV_STAT_SCSI_TGT_DEV_ATTR_RO(non_access_lus);
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static ssize_t target_stat_scsi_tgt_dev_show_attr_resets(
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struct se_dev_stat_grps *sgrps, char *page)
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{
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struct se_device *dev =
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container_of(sgrps, struct se_device, dev_stat_grps);
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return snprintf(page, PAGE_SIZE, "%lu\n",
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atomic_long_read(&dev->num_resets));
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}
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DEV_STAT_SCSI_TGT_DEV_ATTR_RO(resets);
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CONFIGFS_EATTR_OPS(target_stat_scsi_tgt_dev, se_dev_stat_grps, scsi_tgt_dev_group);
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static struct configfs_attribute *target_stat_scsi_tgt_dev_attrs[] = {
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&target_stat_scsi_tgt_dev_inst.attr,
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&target_stat_scsi_tgt_dev_indx.attr,
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&target_stat_scsi_tgt_dev_num_lus.attr,
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&target_stat_scsi_tgt_dev_status.attr,
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&target_stat_scsi_tgt_dev_non_access_lus.attr,
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&target_stat_scsi_tgt_dev_resets.attr,
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NULL,
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};
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static struct configfs_item_operations target_stat_scsi_tgt_dev_attrib_ops = {
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.show_attribute = target_stat_scsi_tgt_dev_attr_show,
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.store_attribute = target_stat_scsi_tgt_dev_attr_store,
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};
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static struct config_item_type target_stat_scsi_tgt_dev_cit = {
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.ct_item_ops = &target_stat_scsi_tgt_dev_attrib_ops,
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.ct_attrs = target_stat_scsi_tgt_dev_attrs,
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.ct_owner = THIS_MODULE,
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};
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/*
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* SCSI Logical Unit Table
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*/
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CONFIGFS_EATTR_STRUCT(target_stat_scsi_lu, se_dev_stat_grps);
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#define DEV_STAT_SCSI_LU_ATTR(_name, _mode) \
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static struct target_stat_scsi_lu_attribute target_stat_scsi_lu_##_name = \
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__CONFIGFS_EATTR(_name, _mode, \
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target_stat_scsi_lu_show_attr_##_name, \
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target_stat_scsi_lu_store_attr_##_name);
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#define DEV_STAT_SCSI_LU_ATTR_RO(_name) \
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static struct target_stat_scsi_lu_attribute target_stat_scsi_lu_##_name = \
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__CONFIGFS_EATTR_RO(_name, \
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target_stat_scsi_lu_show_attr_##_name);
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static ssize_t target_stat_scsi_lu_show_attr_inst(
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struct se_dev_stat_grps *sgrps, char *page)
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{
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struct se_device *dev =
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container_of(sgrps, struct se_device, dev_stat_grps);
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struct se_hba *hba = dev->se_hba;
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return snprintf(page, PAGE_SIZE, "%u\n", hba->hba_index);
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}
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DEV_STAT_SCSI_LU_ATTR_RO(inst);
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static ssize_t target_stat_scsi_lu_show_attr_dev(
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struct se_dev_stat_grps *sgrps, char *page)
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{
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struct se_device *dev =
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container_of(sgrps, struct se_device, dev_stat_grps);
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return snprintf(page, PAGE_SIZE, "%u\n", dev->dev_index);
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}
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DEV_STAT_SCSI_LU_ATTR_RO(dev);
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static ssize_t target_stat_scsi_lu_show_attr_indx(
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struct se_dev_stat_grps *sgrps, char *page)
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{
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return snprintf(page, PAGE_SIZE, "%u\n", SCSI_LU_INDEX);
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}
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DEV_STAT_SCSI_LU_ATTR_RO(indx);
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static ssize_t target_stat_scsi_lu_show_attr_lun(
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struct se_dev_stat_grps *sgrps, char *page)
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{
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/* FIXME: scsiLuDefaultLun */
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return snprintf(page, PAGE_SIZE, "%llu\n", (unsigned long long)0);
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}
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DEV_STAT_SCSI_LU_ATTR_RO(lun);
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static ssize_t target_stat_scsi_lu_show_attr_lu_name(
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struct se_dev_stat_grps *sgrps, char *page)
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{
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struct se_device *dev =
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container_of(sgrps, struct se_device, dev_stat_grps);
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/* scsiLuWwnName */
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return snprintf(page, PAGE_SIZE, "%s\n",
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(strlen(dev->t10_wwn.unit_serial)) ?
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dev->t10_wwn.unit_serial : "None");
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}
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DEV_STAT_SCSI_LU_ATTR_RO(lu_name);
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static ssize_t target_stat_scsi_lu_show_attr_vend(
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struct se_dev_stat_grps *sgrps, char *page)
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{
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struct se_device *dev =
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container_of(sgrps, struct se_device, dev_stat_grps);
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int i;
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char str[sizeof(dev->t10_wwn.vendor)+1];
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/* scsiLuVendorId */
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for (i = 0; i < sizeof(dev->t10_wwn.vendor); i++)
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str[i] = ISPRINT(dev->t10_wwn.vendor[i]) ?
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dev->t10_wwn.vendor[i] : ' ';
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str[i] = '\0';
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return snprintf(page, PAGE_SIZE, "%s\n", str);
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}
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DEV_STAT_SCSI_LU_ATTR_RO(vend);
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static ssize_t target_stat_scsi_lu_show_attr_prod(
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struct se_dev_stat_grps *sgrps, char *page)
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{
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struct se_device *dev =
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container_of(sgrps, struct se_device, dev_stat_grps);
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int i;
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char str[sizeof(dev->t10_wwn.model)+1];
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/* scsiLuProductId */
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for (i = 0; i < sizeof(dev->t10_wwn.vendor); i++)
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str[i] = ISPRINT(dev->t10_wwn.model[i]) ?
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dev->t10_wwn.model[i] : ' ';
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str[i] = '\0';
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return snprintf(page, PAGE_SIZE, "%s\n", str);
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}
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DEV_STAT_SCSI_LU_ATTR_RO(prod);
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static ssize_t target_stat_scsi_lu_show_attr_rev(
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struct se_dev_stat_grps *sgrps, char *page)
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{
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struct se_device *dev =
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container_of(sgrps, struct se_device, dev_stat_grps);
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int i;
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char str[sizeof(dev->t10_wwn.revision)+1];
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/* scsiLuRevisionId */
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for (i = 0; i < sizeof(dev->t10_wwn.revision); i++)
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str[i] = ISPRINT(dev->t10_wwn.revision[i]) ?
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dev->t10_wwn.revision[i] : ' ';
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str[i] = '\0';
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return snprintf(page, PAGE_SIZE, "%s\n", str);
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}
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DEV_STAT_SCSI_LU_ATTR_RO(rev);
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static ssize_t target_stat_scsi_lu_show_attr_dev_type(
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struct se_dev_stat_grps *sgrps, char *page)
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{
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struct se_device *dev =
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container_of(sgrps, struct se_device, dev_stat_grps);
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/* scsiLuPeripheralType */
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return snprintf(page, PAGE_SIZE, "%u\n",
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dev->transport->get_device_type(dev));
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}
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DEV_STAT_SCSI_LU_ATTR_RO(dev_type);
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static ssize_t target_stat_scsi_lu_show_attr_status(
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struct se_dev_stat_grps *sgrps, char *page)
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{
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struct se_device *dev =
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container_of(sgrps, struct se_device, dev_stat_grps);
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/* scsiLuStatus */
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return snprintf(page, PAGE_SIZE, "%s\n",
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(dev->export_count) ? "available" : "notavailable");
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}
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DEV_STAT_SCSI_LU_ATTR_RO(status);
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static ssize_t target_stat_scsi_lu_show_attr_state_bit(
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struct se_dev_stat_grps *sgrps, char *page)
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{
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/* scsiLuState */
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return snprintf(page, PAGE_SIZE, "exposed\n");
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}
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DEV_STAT_SCSI_LU_ATTR_RO(state_bit);
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static ssize_t target_stat_scsi_lu_show_attr_num_cmds(
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struct se_dev_stat_grps *sgrps, char *page)
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{
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struct se_device *dev =
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container_of(sgrps, struct se_device, dev_stat_grps);
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/* scsiLuNumCommands */
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return snprintf(page, PAGE_SIZE, "%lu\n",
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atomic_long_read(&dev->num_cmds));
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}
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DEV_STAT_SCSI_LU_ATTR_RO(num_cmds);
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static ssize_t target_stat_scsi_lu_show_attr_read_mbytes(
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struct se_dev_stat_grps *sgrps, char *page)
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{
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struct se_device *dev =
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container_of(sgrps, struct se_device, dev_stat_grps);
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/* scsiLuReadMegaBytes */
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return snprintf(page, PAGE_SIZE, "%lu\n",
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atomic_long_read(&dev->read_bytes) >> 20);
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}
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DEV_STAT_SCSI_LU_ATTR_RO(read_mbytes);
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static ssize_t target_stat_scsi_lu_show_attr_write_mbytes(
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struct se_dev_stat_grps *sgrps, char *page)
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{
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struct se_device *dev =
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container_of(sgrps, struct se_device, dev_stat_grps);
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/* scsiLuWrittenMegaBytes */
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return snprintf(page, PAGE_SIZE, "%lu\n",
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atomic_long_read(&dev->write_bytes) >> 20);
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}
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DEV_STAT_SCSI_LU_ATTR_RO(write_mbytes);
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static ssize_t target_stat_scsi_lu_show_attr_resets(
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struct se_dev_stat_grps *sgrps, char *page)
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{
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struct se_device *dev =
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container_of(sgrps, struct se_device, dev_stat_grps);
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/* scsiLuInResets */
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return snprintf(page, PAGE_SIZE, "%lu\n", atomic_long_read(&dev->num_resets));
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}
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DEV_STAT_SCSI_LU_ATTR_RO(resets);
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static ssize_t target_stat_scsi_lu_show_attr_full_stat(
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struct se_dev_stat_grps *sgrps, char *page)
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{
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/* FIXME: scsiLuOutTaskSetFullStatus */
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return snprintf(page, PAGE_SIZE, "%u\n", 0);
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}
|
|
DEV_STAT_SCSI_LU_ATTR_RO(full_stat);
|
|
|
|
static ssize_t target_stat_scsi_lu_show_attr_hs_num_cmds(
|
|
struct se_dev_stat_grps *sgrps, char *page)
|
|
{
|
|
/* FIXME: scsiLuHSInCommands */
|
|
return snprintf(page, PAGE_SIZE, "%u\n", 0);
|
|
}
|
|
DEV_STAT_SCSI_LU_ATTR_RO(hs_num_cmds);
|
|
|
|
static ssize_t target_stat_scsi_lu_show_attr_creation_time(
|
|
struct se_dev_stat_grps *sgrps, char *page)
|
|
{
|
|
struct se_device *dev =
|
|
container_of(sgrps, struct se_device, dev_stat_grps);
|
|
|
|
/* scsiLuCreationTime */
|
|
return snprintf(page, PAGE_SIZE, "%u\n", (u32)(((u32)dev->creation_time -
|
|
INITIAL_JIFFIES) * 100 / HZ));
|
|
}
|
|
DEV_STAT_SCSI_LU_ATTR_RO(creation_time);
|
|
|
|
CONFIGFS_EATTR_OPS(target_stat_scsi_lu, se_dev_stat_grps, scsi_lu_group);
|
|
|
|
static struct configfs_attribute *target_stat_scsi_lu_attrs[] = {
|
|
&target_stat_scsi_lu_inst.attr,
|
|
&target_stat_scsi_lu_dev.attr,
|
|
&target_stat_scsi_lu_indx.attr,
|
|
&target_stat_scsi_lu_lun.attr,
|
|
&target_stat_scsi_lu_lu_name.attr,
|
|
&target_stat_scsi_lu_vend.attr,
|
|
&target_stat_scsi_lu_prod.attr,
|
|
&target_stat_scsi_lu_rev.attr,
|
|
&target_stat_scsi_lu_dev_type.attr,
|
|
&target_stat_scsi_lu_status.attr,
|
|
&target_stat_scsi_lu_state_bit.attr,
|
|
&target_stat_scsi_lu_num_cmds.attr,
|
|
&target_stat_scsi_lu_read_mbytes.attr,
|
|
&target_stat_scsi_lu_write_mbytes.attr,
|
|
&target_stat_scsi_lu_resets.attr,
|
|
&target_stat_scsi_lu_full_stat.attr,
|
|
&target_stat_scsi_lu_hs_num_cmds.attr,
|
|
&target_stat_scsi_lu_creation_time.attr,
|
|
NULL,
|
|
};
|
|
|
|
static struct configfs_item_operations target_stat_scsi_lu_attrib_ops = {
|
|
.show_attribute = target_stat_scsi_lu_attr_show,
|
|
.store_attribute = target_stat_scsi_lu_attr_store,
|
|
};
|
|
|
|
static struct config_item_type target_stat_scsi_lu_cit = {
|
|
.ct_item_ops = &target_stat_scsi_lu_attrib_ops,
|
|
.ct_attrs = target_stat_scsi_lu_attrs,
|
|
.ct_owner = THIS_MODULE,
|
|
};
|
|
|
|
/*
|
|
* Called from target_core_configfs.c:target_core_make_subdev() to setup
|
|
* the target statistics groups + configfs CITs located in target_core_stat.c
|
|
*/
|
|
void target_stat_setup_dev_default_groups(struct se_device *dev)
|
|
{
|
|
struct config_group *dev_stat_grp = &dev->dev_stat_grps.stat_group;
|
|
|
|
config_group_init_type_name(&dev->dev_stat_grps.scsi_dev_group,
|
|
"scsi_dev", &target_stat_scsi_dev_cit);
|
|
config_group_init_type_name(&dev->dev_stat_grps.scsi_tgt_dev_group,
|
|
"scsi_tgt_dev", &target_stat_scsi_tgt_dev_cit);
|
|
config_group_init_type_name(&dev->dev_stat_grps.scsi_lu_group,
|
|
"scsi_lu", &target_stat_scsi_lu_cit);
|
|
|
|
dev_stat_grp->default_groups[0] = &dev->dev_stat_grps.scsi_dev_group;
|
|
dev_stat_grp->default_groups[1] = &dev->dev_stat_grps.scsi_tgt_dev_group;
|
|
dev_stat_grp->default_groups[2] = &dev->dev_stat_grps.scsi_lu_group;
|
|
dev_stat_grp->default_groups[3] = NULL;
|
|
}
|
|
|
|
/*
|
|
* SCSI Port Table
|
|
*/
|
|
|
|
CONFIGFS_EATTR_STRUCT(target_stat_scsi_port, se_port_stat_grps);
|
|
#define DEV_STAT_SCSI_PORT_ATTR(_name, _mode) \
|
|
static struct target_stat_scsi_port_attribute \
|
|
target_stat_scsi_port_##_name = \
|
|
__CONFIGFS_EATTR(_name, _mode, \
|
|
target_stat_scsi_port_show_attr_##_name, \
|
|
target_stat_scsi_port_store_attr_##_name);
|
|
|
|
#define DEV_STAT_SCSI_PORT_ATTR_RO(_name) \
|
|
static struct target_stat_scsi_port_attribute \
|
|
target_stat_scsi_port_##_name = \
|
|
__CONFIGFS_EATTR_RO(_name, \
|
|
target_stat_scsi_port_show_attr_##_name);
|
|
|
|
static ssize_t target_stat_scsi_port_show_attr_inst(
|
|
struct se_port_stat_grps *pgrps, char *page)
|
|
{
|
|
struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
|
|
struct se_device *dev;
|
|
ssize_t ret = -ENODEV;
|
|
|
|
rcu_read_lock();
|
|
dev = rcu_dereference(lun->lun_se_dev);
|
|
if (dev)
|
|
ret = snprintf(page, PAGE_SIZE, "%u\n", dev->hba_index);
|
|
rcu_read_unlock();
|
|
return ret;
|
|
}
|
|
DEV_STAT_SCSI_PORT_ATTR_RO(inst);
|
|
|
|
static ssize_t target_stat_scsi_port_show_attr_dev(
|
|
struct se_port_stat_grps *pgrps, char *page)
|
|
{
|
|
struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
|
|
struct se_device *dev;
|
|
ssize_t ret = -ENODEV;
|
|
|
|
rcu_read_lock();
|
|
dev = rcu_dereference(lun->lun_se_dev);
|
|
if (dev)
|
|
ret = snprintf(page, PAGE_SIZE, "%u\n", dev->dev_index);
|
|
rcu_read_unlock();
|
|
return ret;
|
|
}
|
|
DEV_STAT_SCSI_PORT_ATTR_RO(dev);
|
|
|
|
static ssize_t target_stat_scsi_port_show_attr_indx(
|
|
struct se_port_stat_grps *pgrps, char *page)
|
|
{
|
|
struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
|
|
struct se_device *dev;
|
|
ssize_t ret = -ENODEV;
|
|
|
|
rcu_read_lock();
|
|
dev = rcu_dereference(lun->lun_se_dev);
|
|
if (dev)
|
|
ret = snprintf(page, PAGE_SIZE, "%u\n", lun->lun_rtpi);
|
|
rcu_read_unlock();
|
|
return ret;
|
|
}
|
|
DEV_STAT_SCSI_PORT_ATTR_RO(indx);
|
|
|
|
static ssize_t target_stat_scsi_port_show_attr_role(
|
|
struct se_port_stat_grps *pgrps, char *page)
|
|
{
|
|
struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
|
|
struct se_device *dev;
|
|
ssize_t ret = -ENODEV;
|
|
|
|
rcu_read_lock();
|
|
dev = rcu_dereference(lun->lun_se_dev);
|
|
if (dev)
|
|
ret = snprintf(page, PAGE_SIZE, "%s%u\n", "Device", dev->dev_index);
|
|
rcu_read_unlock();
|
|
return ret;
|
|
}
|
|
DEV_STAT_SCSI_PORT_ATTR_RO(role);
|
|
|
|
static ssize_t target_stat_scsi_port_show_attr_busy_count(
|
|
struct se_port_stat_grps *pgrps, char *page)
|
|
{
|
|
struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
|
|
struct se_device *dev;
|
|
ssize_t ret = -ENODEV;
|
|
|
|
rcu_read_lock();
|
|
dev = rcu_dereference(lun->lun_se_dev);
|
|
if (dev) {
|
|
/* FIXME: scsiPortBusyStatuses */
|
|
ret = snprintf(page, PAGE_SIZE, "%u\n", 0);
|
|
}
|
|
rcu_read_unlock();
|
|
return ret;
|
|
}
|
|
DEV_STAT_SCSI_PORT_ATTR_RO(busy_count);
|
|
|
|
CONFIGFS_EATTR_OPS(target_stat_scsi_port, se_port_stat_grps, scsi_port_group);
|
|
|
|
static struct configfs_attribute *target_stat_scsi_port_attrs[] = {
|
|
&target_stat_scsi_port_inst.attr,
|
|
&target_stat_scsi_port_dev.attr,
|
|
&target_stat_scsi_port_indx.attr,
|
|
&target_stat_scsi_port_role.attr,
|
|
&target_stat_scsi_port_busy_count.attr,
|
|
NULL,
|
|
};
|
|
|
|
static struct configfs_item_operations target_stat_scsi_port_attrib_ops = {
|
|
.show_attribute = target_stat_scsi_port_attr_show,
|
|
.store_attribute = target_stat_scsi_port_attr_store,
|
|
};
|
|
|
|
static struct config_item_type target_stat_scsi_port_cit = {
|
|
.ct_item_ops = &target_stat_scsi_port_attrib_ops,
|
|
.ct_attrs = target_stat_scsi_port_attrs,
|
|
.ct_owner = THIS_MODULE,
|
|
};
|
|
|
|
/*
|
|
* SCSI Target Port Table
|
|
*/
|
|
CONFIGFS_EATTR_STRUCT(target_stat_scsi_tgt_port, se_port_stat_grps);
|
|
#define DEV_STAT_SCSI_TGT_PORT_ATTR(_name, _mode) \
|
|
static struct target_stat_scsi_tgt_port_attribute \
|
|
target_stat_scsi_tgt_port_##_name = \
|
|
__CONFIGFS_EATTR(_name, _mode, \
|
|
target_stat_scsi_tgt_port_show_attr_##_name, \
|
|
target_stat_scsi_tgt_port_store_attr_##_name);
|
|
|
|
#define DEV_STAT_SCSI_TGT_PORT_ATTR_RO(_name) \
|
|
static struct target_stat_scsi_tgt_port_attribute \
|
|
target_stat_scsi_tgt_port_##_name = \
|
|
__CONFIGFS_EATTR_RO(_name, \
|
|
target_stat_scsi_tgt_port_show_attr_##_name);
|
|
|
|
static ssize_t target_stat_scsi_tgt_port_show_attr_inst(
|
|
struct se_port_stat_grps *pgrps, char *page)
|
|
{
|
|
struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
|
|
struct se_device *dev;
|
|
ssize_t ret = -ENODEV;
|
|
|
|
rcu_read_lock();
|
|
dev = rcu_dereference(lun->lun_se_dev);
|
|
if (dev)
|
|
ret = snprintf(page, PAGE_SIZE, "%u\n", dev->hba_index);
|
|
rcu_read_unlock();
|
|
return ret;
|
|
}
|
|
DEV_STAT_SCSI_TGT_PORT_ATTR_RO(inst);
|
|
|
|
static ssize_t target_stat_scsi_tgt_port_show_attr_dev(
|
|
struct se_port_stat_grps *pgrps, char *page)
|
|
{
|
|
struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
|
|
struct se_device *dev;
|
|
ssize_t ret = -ENODEV;
|
|
|
|
rcu_read_lock();
|
|
dev = rcu_dereference(lun->lun_se_dev);
|
|
if (dev)
|
|
ret = snprintf(page, PAGE_SIZE, "%u\n", dev->dev_index);
|
|
rcu_read_unlock();
|
|
return ret;
|
|
}
|
|
DEV_STAT_SCSI_TGT_PORT_ATTR_RO(dev);
|
|
|
|
static ssize_t target_stat_scsi_tgt_port_show_attr_indx(
|
|
struct se_port_stat_grps *pgrps, char *page)
|
|
{
|
|
struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
|
|
struct se_device *dev;
|
|
ssize_t ret = -ENODEV;
|
|
|
|
rcu_read_lock();
|
|
dev = rcu_dereference(lun->lun_se_dev);
|
|
if (dev)
|
|
ret = snprintf(page, PAGE_SIZE, "%u\n", lun->lun_rtpi);
|
|
rcu_read_unlock();
|
|
return ret;
|
|
}
|
|
DEV_STAT_SCSI_TGT_PORT_ATTR_RO(indx);
|
|
|
|
static ssize_t target_stat_scsi_tgt_port_show_attr_name(
|
|
struct se_port_stat_grps *pgrps, char *page)
|
|
{
|
|
struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
|
|
struct se_portal_group *tpg = lun->lun_tpg;
|
|
struct se_device *dev;
|
|
ssize_t ret = -ENODEV;
|
|
|
|
rcu_read_lock();
|
|
dev = rcu_dereference(lun->lun_se_dev);
|
|
if (dev)
|
|
ret = snprintf(page, PAGE_SIZE, "%sPort#%u\n",
|
|
tpg->se_tpg_tfo->get_fabric_name(),
|
|
lun->lun_rtpi);
|
|
rcu_read_unlock();
|
|
return ret;
|
|
}
|
|
DEV_STAT_SCSI_TGT_PORT_ATTR_RO(name);
|
|
|
|
static ssize_t target_stat_scsi_tgt_port_show_attr_port_index(
|
|
struct se_port_stat_grps *pgrps, char *page)
|
|
{
|
|
struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
|
|
struct se_portal_group *tpg = lun->lun_tpg;
|
|
struct se_device *dev;
|
|
ssize_t ret = -ENODEV;
|
|
|
|
rcu_read_lock();
|
|
dev = rcu_dereference(lun->lun_se_dev);
|
|
if (dev)
|
|
ret = snprintf(page, PAGE_SIZE, "%s%s%d\n",
|
|
tpg->se_tpg_tfo->tpg_get_wwn(tpg), "+t+",
|
|
tpg->se_tpg_tfo->tpg_get_tag(tpg));
|
|
rcu_read_unlock();
|
|
return ret;
|
|
}
|
|
DEV_STAT_SCSI_TGT_PORT_ATTR_RO(port_index);
|
|
|
|
static ssize_t target_stat_scsi_tgt_port_show_attr_in_cmds(
|
|
struct se_port_stat_grps *pgrps, char *page)
|
|
{
|
|
struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
|
|
struct se_device *dev;
|
|
ssize_t ret = -ENODEV;
|
|
|
|
rcu_read_lock();
|
|
dev = rcu_dereference(lun->lun_se_dev);
|
|
if (dev)
|
|
ret = snprintf(page, PAGE_SIZE, "%lu\n",
|
|
atomic_long_read(&lun->lun_stats.cmd_pdus));
|
|
rcu_read_unlock();
|
|
return ret;
|
|
}
|
|
DEV_STAT_SCSI_TGT_PORT_ATTR_RO(in_cmds);
|
|
|
|
static ssize_t target_stat_scsi_tgt_port_show_attr_write_mbytes(
|
|
struct se_port_stat_grps *pgrps, char *page)
|
|
{
|
|
struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
|
|
struct se_device *dev;
|
|
ssize_t ret = -ENODEV;
|
|
|
|
rcu_read_lock();
|
|
dev = rcu_dereference(lun->lun_se_dev);
|
|
if (dev)
|
|
ret = snprintf(page, PAGE_SIZE, "%u\n",
|
|
(u32)(atomic_long_read(&lun->lun_stats.rx_data_octets) >> 20));
|
|
rcu_read_unlock();
|
|
return ret;
|
|
}
|
|
DEV_STAT_SCSI_TGT_PORT_ATTR_RO(write_mbytes);
|
|
|
|
static ssize_t target_stat_scsi_tgt_port_show_attr_read_mbytes(
|
|
struct se_port_stat_grps *pgrps, char *page)
|
|
{
|
|
struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
|
|
struct se_device *dev;
|
|
ssize_t ret = -ENODEV;
|
|
|
|
rcu_read_lock();
|
|
dev = rcu_dereference(lun->lun_se_dev);
|
|
if (dev)
|
|
ret = snprintf(page, PAGE_SIZE, "%u\n",
|
|
(u32)(atomic_long_read(&lun->lun_stats.tx_data_octets) >> 20));
|
|
rcu_read_unlock();
|
|
return ret;
|
|
}
|
|
DEV_STAT_SCSI_TGT_PORT_ATTR_RO(read_mbytes);
|
|
|
|
static ssize_t target_stat_scsi_tgt_port_show_attr_hs_in_cmds(
|
|
struct se_port_stat_grps *pgrps, char *page)
|
|
{
|
|
struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
|
|
struct se_device *dev;
|
|
ssize_t ret = -ENODEV;
|
|
|
|
rcu_read_lock();
|
|
dev = rcu_dereference(lun->lun_se_dev);
|
|
if (dev) {
|
|
/* FIXME: scsiTgtPortHsInCommands */
|
|
ret = snprintf(page, PAGE_SIZE, "%u\n", 0);
|
|
}
|
|
rcu_read_unlock();
|
|
return ret;
|
|
}
|
|
DEV_STAT_SCSI_TGT_PORT_ATTR_RO(hs_in_cmds);
|
|
|
|
CONFIGFS_EATTR_OPS(target_stat_scsi_tgt_port, se_port_stat_grps,
|
|
scsi_tgt_port_group);
|
|
|
|
static struct configfs_attribute *target_stat_scsi_tgt_port_attrs[] = {
|
|
&target_stat_scsi_tgt_port_inst.attr,
|
|
&target_stat_scsi_tgt_port_dev.attr,
|
|
&target_stat_scsi_tgt_port_indx.attr,
|
|
&target_stat_scsi_tgt_port_name.attr,
|
|
&target_stat_scsi_tgt_port_port_index.attr,
|
|
&target_stat_scsi_tgt_port_in_cmds.attr,
|
|
&target_stat_scsi_tgt_port_write_mbytes.attr,
|
|
&target_stat_scsi_tgt_port_read_mbytes.attr,
|
|
&target_stat_scsi_tgt_port_hs_in_cmds.attr,
|
|
NULL,
|
|
};
|
|
|
|
static struct configfs_item_operations target_stat_scsi_tgt_port_attrib_ops = {
|
|
.show_attribute = target_stat_scsi_tgt_port_attr_show,
|
|
.store_attribute = target_stat_scsi_tgt_port_attr_store,
|
|
};
|
|
|
|
static struct config_item_type target_stat_scsi_tgt_port_cit = {
|
|
.ct_item_ops = &target_stat_scsi_tgt_port_attrib_ops,
|
|
.ct_attrs = target_stat_scsi_tgt_port_attrs,
|
|
.ct_owner = THIS_MODULE,
|
|
};
|
|
|
|
/*
|
|
* SCSI Transport Table
|
|
o */
|
|
|
|
CONFIGFS_EATTR_STRUCT(target_stat_scsi_transport, se_port_stat_grps);
|
|
#define DEV_STAT_SCSI_TRANSPORT_ATTR(_name, _mode) \
|
|
static struct target_stat_scsi_transport_attribute \
|
|
target_stat_scsi_transport_##_name = \
|
|
__CONFIGFS_EATTR(_name, _mode, \
|
|
target_stat_scsi_transport_show_attr_##_name, \
|
|
target_stat_scsi_transport_store_attr_##_name);
|
|
|
|
#define DEV_STAT_SCSI_TRANSPORT_ATTR_RO(_name) \
|
|
static struct target_stat_scsi_transport_attribute \
|
|
target_stat_scsi_transport_##_name = \
|
|
__CONFIGFS_EATTR_RO(_name, \
|
|
target_stat_scsi_transport_show_attr_##_name);
|
|
|
|
static ssize_t target_stat_scsi_transport_show_attr_inst(
|
|
struct se_port_stat_grps *pgrps, char *page)
|
|
{
|
|
struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
|
|
struct se_device *dev;
|
|
ssize_t ret = -ENODEV;
|
|
|
|
rcu_read_lock();
|
|
dev = rcu_dereference(lun->lun_se_dev);
|
|
if (dev)
|
|
ret = snprintf(page, PAGE_SIZE, "%u\n", dev->hba_index);
|
|
rcu_read_unlock();
|
|
return ret;
|
|
}
|
|
DEV_STAT_SCSI_TRANSPORT_ATTR_RO(inst);
|
|
|
|
static ssize_t target_stat_scsi_transport_show_attr_device(
|
|
struct se_port_stat_grps *pgrps, char *page)
|
|
{
|
|
struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
|
|
struct se_device *dev;
|
|
struct se_portal_group *tpg = lun->lun_tpg;
|
|
ssize_t ret = -ENODEV;
|
|
|
|
rcu_read_lock();
|
|
dev = rcu_dereference(lun->lun_se_dev);
|
|
if (dev) {
|
|
/* scsiTransportType */
|
|
ret = snprintf(page, PAGE_SIZE, "scsiTransport%s\n",
|
|
tpg->se_tpg_tfo->get_fabric_name());
|
|
}
|
|
rcu_read_unlock();
|
|
return ret;
|
|
}
|
|
DEV_STAT_SCSI_TRANSPORT_ATTR_RO(device);
|
|
|
|
static ssize_t target_stat_scsi_transport_show_attr_indx(
|
|
struct se_port_stat_grps *pgrps, char *page)
|
|
{
|
|
struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
|
|
struct se_device *dev;
|
|
struct se_portal_group *tpg = lun->lun_tpg;
|
|
ssize_t ret = -ENODEV;
|
|
|
|
rcu_read_lock();
|
|
dev = rcu_dereference(lun->lun_se_dev);
|
|
if (dev)
|
|
ret = snprintf(page, PAGE_SIZE, "%u\n",
|
|
tpg->se_tpg_tfo->tpg_get_inst_index(tpg));
|
|
rcu_read_unlock();
|
|
return ret;
|
|
}
|
|
DEV_STAT_SCSI_TRANSPORT_ATTR_RO(indx);
|
|
|
|
static ssize_t target_stat_scsi_transport_show_attr_dev_name(
|
|
struct se_port_stat_grps *pgrps, char *page)
|
|
{
|
|
struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
|
|
struct se_device *dev;
|
|
struct se_portal_group *tpg = lun->lun_tpg;
|
|
struct t10_wwn *wwn;
|
|
ssize_t ret = -ENODEV;
|
|
|
|
rcu_read_lock();
|
|
dev = rcu_dereference(lun->lun_se_dev);
|
|
if (dev) {
|
|
wwn = &dev->t10_wwn;
|
|
/* scsiTransportDevName */
|
|
ret = snprintf(page, PAGE_SIZE, "%s+%s\n",
|
|
tpg->se_tpg_tfo->tpg_get_wwn(tpg),
|
|
(strlen(wwn->unit_serial)) ? wwn->unit_serial :
|
|
wwn->vendor);
|
|
}
|
|
rcu_read_unlock();
|
|
return ret;
|
|
}
|
|
DEV_STAT_SCSI_TRANSPORT_ATTR_RO(dev_name);
|
|
|
|
CONFIGFS_EATTR_OPS(target_stat_scsi_transport, se_port_stat_grps,
|
|
scsi_transport_group);
|
|
|
|
static struct configfs_attribute *target_stat_scsi_transport_attrs[] = {
|
|
&target_stat_scsi_transport_inst.attr,
|
|
&target_stat_scsi_transport_device.attr,
|
|
&target_stat_scsi_transport_indx.attr,
|
|
&target_stat_scsi_transport_dev_name.attr,
|
|
NULL,
|
|
};
|
|
|
|
static struct configfs_item_operations target_stat_scsi_transport_attrib_ops = {
|
|
.show_attribute = target_stat_scsi_transport_attr_show,
|
|
.store_attribute = target_stat_scsi_transport_attr_store,
|
|
};
|
|
|
|
static struct config_item_type target_stat_scsi_transport_cit = {
|
|
.ct_item_ops = &target_stat_scsi_transport_attrib_ops,
|
|
.ct_attrs = target_stat_scsi_transport_attrs,
|
|
.ct_owner = THIS_MODULE,
|
|
};
|
|
|
|
/*
|
|
* Called from target_core_fabric_configfs.c:target_fabric_make_lun() to setup
|
|
* the target port statistics groups + configfs CITs located in target_core_stat.c
|
|
*/
|
|
void target_stat_setup_port_default_groups(struct se_lun *lun)
|
|
{
|
|
struct config_group *port_stat_grp = &lun->port_stat_grps.stat_group;
|
|
|
|
config_group_init_type_name(&lun->port_stat_grps.scsi_port_group,
|
|
"scsi_port", &target_stat_scsi_port_cit);
|
|
config_group_init_type_name(&lun->port_stat_grps.scsi_tgt_port_group,
|
|
"scsi_tgt_port", &target_stat_scsi_tgt_port_cit);
|
|
config_group_init_type_name(&lun->port_stat_grps.scsi_transport_group,
|
|
"scsi_transport", &target_stat_scsi_transport_cit);
|
|
|
|
port_stat_grp->default_groups[0] = &lun->port_stat_grps.scsi_port_group;
|
|
port_stat_grp->default_groups[1] = &lun->port_stat_grps.scsi_tgt_port_group;
|
|
port_stat_grp->default_groups[2] = &lun->port_stat_grps.scsi_transport_group;
|
|
port_stat_grp->default_groups[3] = NULL;
|
|
}
|
|
|
|
/*
|
|
* SCSI Authorized Initiator Table
|
|
*/
|
|
|
|
CONFIGFS_EATTR_STRUCT(target_stat_scsi_auth_intr, se_ml_stat_grps);
|
|
#define DEV_STAT_SCSI_AUTH_INTR_ATTR(_name, _mode) \
|
|
static struct target_stat_scsi_auth_intr_attribute \
|
|
target_stat_scsi_auth_intr_##_name = \
|
|
__CONFIGFS_EATTR(_name, _mode, \
|
|
target_stat_scsi_auth_intr_show_attr_##_name, \
|
|
target_stat_scsi_auth_intr_store_attr_##_name);
|
|
|
|
#define DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(_name) \
|
|
static struct target_stat_scsi_auth_intr_attribute \
|
|
target_stat_scsi_auth_intr_##_name = \
|
|
__CONFIGFS_EATTR_RO(_name, \
|
|
target_stat_scsi_auth_intr_show_attr_##_name);
|
|
|
|
static ssize_t target_stat_scsi_auth_intr_show_attr_inst(
|
|
struct se_ml_stat_grps *lgrps, char *page)
|
|
{
|
|
struct se_lun_acl *lacl = container_of(lgrps,
|
|
struct se_lun_acl, ml_stat_grps);
|
|
struct se_node_acl *nacl = lacl->se_lun_nacl;
|
|
struct se_dev_entry *deve;
|
|
struct se_portal_group *tpg;
|
|
ssize_t ret;
|
|
|
|
rcu_read_lock();
|
|
deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
|
|
if (!deve) {
|
|
rcu_read_unlock();
|
|
return -ENODEV;
|
|
}
|
|
tpg = nacl->se_tpg;
|
|
/* scsiInstIndex */
|
|
ret = snprintf(page, PAGE_SIZE, "%u\n",
|
|
tpg->se_tpg_tfo->tpg_get_inst_index(tpg));
|
|
rcu_read_unlock();
|
|
return ret;
|
|
}
|
|
DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(inst);
|
|
|
|
static ssize_t target_stat_scsi_auth_intr_show_attr_dev(
|
|
struct se_ml_stat_grps *lgrps, char *page)
|
|
{
|
|
struct se_lun_acl *lacl = container_of(lgrps,
|
|
struct se_lun_acl, ml_stat_grps);
|
|
struct se_node_acl *nacl = lacl->se_lun_nacl;
|
|
struct se_dev_entry *deve;
|
|
struct se_lun *lun;
|
|
ssize_t ret;
|
|
|
|
rcu_read_lock();
|
|
deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
|
|
if (!deve) {
|
|
rcu_read_unlock();
|
|
return -ENODEV;
|
|
}
|
|
lun = rcu_dereference(deve->se_lun);
|
|
/* scsiDeviceIndex */
|
|
ret = snprintf(page, PAGE_SIZE, "%u\n", lun->lun_index);
|
|
rcu_read_unlock();
|
|
return ret;
|
|
}
|
|
DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(dev);
|
|
|
|
static ssize_t target_stat_scsi_auth_intr_show_attr_port(
|
|
struct se_ml_stat_grps *lgrps, char *page)
|
|
{
|
|
struct se_lun_acl *lacl = container_of(lgrps,
|
|
struct se_lun_acl, ml_stat_grps);
|
|
struct se_node_acl *nacl = lacl->se_lun_nacl;
|
|
struct se_dev_entry *deve;
|
|
struct se_portal_group *tpg;
|
|
ssize_t ret;
|
|
|
|
rcu_read_lock();
|
|
deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
|
|
if (!deve) {
|
|
rcu_read_unlock();
|
|
return -ENODEV;
|
|
}
|
|
tpg = nacl->se_tpg;
|
|
/* scsiAuthIntrTgtPortIndex */
|
|
ret = snprintf(page, PAGE_SIZE, "%u\n", tpg->se_tpg_tfo->tpg_get_tag(tpg));
|
|
rcu_read_unlock();
|
|
return ret;
|
|
}
|
|
DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(port);
|
|
|
|
static ssize_t target_stat_scsi_auth_intr_show_attr_indx(
|
|
struct se_ml_stat_grps *lgrps, char *page)
|
|
{
|
|
struct se_lun_acl *lacl = container_of(lgrps,
|
|
struct se_lun_acl, ml_stat_grps);
|
|
struct se_node_acl *nacl = lacl->se_lun_nacl;
|
|
struct se_dev_entry *deve;
|
|
ssize_t ret;
|
|
|
|
rcu_read_lock();
|
|
deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
|
|
if (!deve) {
|
|
rcu_read_unlock();
|
|
return -ENODEV;
|
|
}
|
|
/* scsiAuthIntrIndex */
|
|
ret = snprintf(page, PAGE_SIZE, "%u\n", nacl->acl_index);
|
|
rcu_read_unlock();
|
|
return ret;
|
|
}
|
|
DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(indx);
|
|
|
|
static ssize_t target_stat_scsi_auth_intr_show_attr_dev_or_port(
|
|
struct se_ml_stat_grps *lgrps, char *page)
|
|
{
|
|
struct se_lun_acl *lacl = container_of(lgrps,
|
|
struct se_lun_acl, ml_stat_grps);
|
|
struct se_node_acl *nacl = lacl->se_lun_nacl;
|
|
struct se_dev_entry *deve;
|
|
ssize_t ret;
|
|
|
|
rcu_read_lock();
|
|
deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
|
|
if (!deve) {
|
|
rcu_read_unlock();
|
|
return -ENODEV;
|
|
}
|
|
/* scsiAuthIntrDevOrPort */
|
|
ret = snprintf(page, PAGE_SIZE, "%u\n", 1);
|
|
rcu_read_unlock();
|
|
return ret;
|
|
}
|
|
DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(dev_or_port);
|
|
|
|
static ssize_t target_stat_scsi_auth_intr_show_attr_intr_name(
|
|
struct se_ml_stat_grps *lgrps, char *page)
|
|
{
|
|
struct se_lun_acl *lacl = container_of(lgrps,
|
|
struct se_lun_acl, ml_stat_grps);
|
|
struct se_node_acl *nacl = lacl->se_lun_nacl;
|
|
struct se_dev_entry *deve;
|
|
ssize_t ret;
|
|
|
|
rcu_read_lock();
|
|
deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
|
|
if (!deve) {
|
|
rcu_read_unlock();
|
|
return -ENODEV;
|
|
}
|
|
/* scsiAuthIntrName */
|
|
ret = snprintf(page, PAGE_SIZE, "%s\n", nacl->initiatorname);
|
|
rcu_read_unlock();
|
|
return ret;
|
|
}
|
|
DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(intr_name);
|
|
|
|
static ssize_t target_stat_scsi_auth_intr_show_attr_map_indx(
|
|
struct se_ml_stat_grps *lgrps, char *page)
|
|
{
|
|
struct se_lun_acl *lacl = container_of(lgrps,
|
|
struct se_lun_acl, ml_stat_grps);
|
|
struct se_node_acl *nacl = lacl->se_lun_nacl;
|
|
struct se_dev_entry *deve;
|
|
ssize_t ret;
|
|
|
|
rcu_read_lock();
|
|
deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
|
|
if (!deve) {
|
|
rcu_read_unlock();
|
|
return -ENODEV;
|
|
}
|
|
/* FIXME: scsiAuthIntrLunMapIndex */
|
|
ret = snprintf(page, PAGE_SIZE, "%u\n", 0);
|
|
rcu_read_unlock();
|
|
return ret;
|
|
}
|
|
DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(map_indx);
|
|
|
|
static ssize_t target_stat_scsi_auth_intr_show_attr_att_count(
|
|
struct se_ml_stat_grps *lgrps, char *page)
|
|
{
|
|
struct se_lun_acl *lacl = container_of(lgrps,
|
|
struct se_lun_acl, ml_stat_grps);
|
|
struct se_node_acl *nacl = lacl->se_lun_nacl;
|
|
struct se_dev_entry *deve;
|
|
ssize_t ret;
|
|
|
|
rcu_read_lock();
|
|
deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
|
|
if (!deve) {
|
|
rcu_read_unlock();
|
|
return -ENODEV;
|
|
}
|
|
/* scsiAuthIntrAttachedTimes */
|
|
ret = snprintf(page, PAGE_SIZE, "%u\n", deve->attach_count);
|
|
rcu_read_unlock();
|
|
return ret;
|
|
}
|
|
DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(att_count);
|
|
|
|
static ssize_t target_stat_scsi_auth_intr_show_attr_num_cmds(
|
|
struct se_ml_stat_grps *lgrps, char *page)
|
|
{
|
|
struct se_lun_acl *lacl = container_of(lgrps,
|
|
struct se_lun_acl, ml_stat_grps);
|
|
struct se_node_acl *nacl = lacl->se_lun_nacl;
|
|
struct se_dev_entry *deve;
|
|
ssize_t ret;
|
|
|
|
rcu_read_lock();
|
|
deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
|
|
if (!deve) {
|
|
rcu_read_unlock();
|
|
return -ENODEV;
|
|
}
|
|
/* scsiAuthIntrOutCommands */
|
|
ret = snprintf(page, PAGE_SIZE, "%lu\n",
|
|
atomic_long_read(&deve->total_cmds));
|
|
rcu_read_unlock();
|
|
return ret;
|
|
}
|
|
DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(num_cmds);
|
|
|
|
static ssize_t target_stat_scsi_auth_intr_show_attr_read_mbytes(
|
|
struct se_ml_stat_grps *lgrps, char *page)
|
|
{
|
|
struct se_lun_acl *lacl = container_of(lgrps,
|
|
struct se_lun_acl, ml_stat_grps);
|
|
struct se_node_acl *nacl = lacl->se_lun_nacl;
|
|
struct se_dev_entry *deve;
|
|
ssize_t ret;
|
|
|
|
rcu_read_lock();
|
|
deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
|
|
if (!deve) {
|
|
rcu_read_unlock();
|
|
return -ENODEV;
|
|
}
|
|
/* scsiAuthIntrReadMegaBytes */
|
|
ret = snprintf(page, PAGE_SIZE, "%u\n",
|
|
(u32)(atomic_long_read(&deve->read_bytes) >> 20));
|
|
rcu_read_unlock();
|
|
return ret;
|
|
}
|
|
DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(read_mbytes);
|
|
|
|
static ssize_t target_stat_scsi_auth_intr_show_attr_write_mbytes(
|
|
struct se_ml_stat_grps *lgrps, char *page)
|
|
{
|
|
struct se_lun_acl *lacl = container_of(lgrps,
|
|
struct se_lun_acl, ml_stat_grps);
|
|
struct se_node_acl *nacl = lacl->se_lun_nacl;
|
|
struct se_dev_entry *deve;
|
|
ssize_t ret;
|
|
|
|
rcu_read_lock();
|
|
deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
|
|
if (!deve) {
|
|
rcu_read_unlock();
|
|
return -ENODEV;
|
|
}
|
|
/* scsiAuthIntrWrittenMegaBytes */
|
|
ret = snprintf(page, PAGE_SIZE, "%u\n",
|
|
(u32)(atomic_long_read(&deve->write_bytes) >> 20));
|
|
rcu_read_unlock();
|
|
return ret;
|
|
}
|
|
DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(write_mbytes);
|
|
|
|
static ssize_t target_stat_scsi_auth_intr_show_attr_hs_num_cmds(
|
|
struct se_ml_stat_grps *lgrps, char *page)
|
|
{
|
|
struct se_lun_acl *lacl = container_of(lgrps,
|
|
struct se_lun_acl, ml_stat_grps);
|
|
struct se_node_acl *nacl = lacl->se_lun_nacl;
|
|
struct se_dev_entry *deve;
|
|
ssize_t ret;
|
|
|
|
rcu_read_lock();
|
|
deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
|
|
if (!deve) {
|
|
rcu_read_unlock();
|
|
return -ENODEV;
|
|
}
|
|
/* FIXME: scsiAuthIntrHSOutCommands */
|
|
ret = snprintf(page, PAGE_SIZE, "%u\n", 0);
|
|
rcu_read_unlock();
|
|
return ret;
|
|
}
|
|
DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(hs_num_cmds);
|
|
|
|
static ssize_t target_stat_scsi_auth_intr_show_attr_creation_time(
|
|
struct se_ml_stat_grps *lgrps, char *page)
|
|
{
|
|
struct se_lun_acl *lacl = container_of(lgrps,
|
|
struct se_lun_acl, ml_stat_grps);
|
|
struct se_node_acl *nacl = lacl->se_lun_nacl;
|
|
struct se_dev_entry *deve;
|
|
ssize_t ret;
|
|
|
|
rcu_read_lock();
|
|
deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
|
|
if (!deve) {
|
|
rcu_read_unlock();
|
|
return -ENODEV;
|
|
}
|
|
/* scsiAuthIntrLastCreation */
|
|
ret = snprintf(page, PAGE_SIZE, "%u\n", (u32)(((u32)deve->creation_time -
|
|
INITIAL_JIFFIES) * 100 / HZ));
|
|
rcu_read_unlock();
|
|
return ret;
|
|
}
|
|
DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(creation_time);
|
|
|
|
static ssize_t target_stat_scsi_auth_intr_show_attr_row_status(
|
|
struct se_ml_stat_grps *lgrps, char *page)
|
|
{
|
|
struct se_lun_acl *lacl = container_of(lgrps,
|
|
struct se_lun_acl, ml_stat_grps);
|
|
struct se_node_acl *nacl = lacl->se_lun_nacl;
|
|
struct se_dev_entry *deve;
|
|
ssize_t ret;
|
|
|
|
rcu_read_lock();
|
|
deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
|
|
if (!deve) {
|
|
rcu_read_unlock();
|
|
return -ENODEV;
|
|
}
|
|
/* FIXME: scsiAuthIntrRowStatus */
|
|
ret = snprintf(page, PAGE_SIZE, "Ready\n");
|
|
rcu_read_unlock();
|
|
return ret;
|
|
}
|
|
DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(row_status);
|
|
|
|
CONFIGFS_EATTR_OPS(target_stat_scsi_auth_intr, se_ml_stat_grps,
|
|
scsi_auth_intr_group);
|
|
|
|
static struct configfs_attribute *target_stat_scsi_auth_intr_attrs[] = {
|
|
&target_stat_scsi_auth_intr_inst.attr,
|
|
&target_stat_scsi_auth_intr_dev.attr,
|
|
&target_stat_scsi_auth_intr_port.attr,
|
|
&target_stat_scsi_auth_intr_indx.attr,
|
|
&target_stat_scsi_auth_intr_dev_or_port.attr,
|
|
&target_stat_scsi_auth_intr_intr_name.attr,
|
|
&target_stat_scsi_auth_intr_map_indx.attr,
|
|
&target_stat_scsi_auth_intr_att_count.attr,
|
|
&target_stat_scsi_auth_intr_num_cmds.attr,
|
|
&target_stat_scsi_auth_intr_read_mbytes.attr,
|
|
&target_stat_scsi_auth_intr_write_mbytes.attr,
|
|
&target_stat_scsi_auth_intr_hs_num_cmds.attr,
|
|
&target_stat_scsi_auth_intr_creation_time.attr,
|
|
&target_stat_scsi_auth_intr_row_status.attr,
|
|
NULL,
|
|
};
|
|
|
|
static struct configfs_item_operations target_stat_scsi_auth_intr_attrib_ops = {
|
|
.show_attribute = target_stat_scsi_auth_intr_attr_show,
|
|
.store_attribute = target_stat_scsi_auth_intr_attr_store,
|
|
};
|
|
|
|
static struct config_item_type target_stat_scsi_auth_intr_cit = {
|
|
.ct_item_ops = &target_stat_scsi_auth_intr_attrib_ops,
|
|
.ct_attrs = target_stat_scsi_auth_intr_attrs,
|
|
.ct_owner = THIS_MODULE,
|
|
};
|
|
|
|
/*
|
|
* SCSI Attached Initiator Port Table
|
|
*/
|
|
|
|
CONFIGFS_EATTR_STRUCT(target_stat_scsi_att_intr_port, se_ml_stat_grps);
|
|
#define DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR(_name, _mode) \
|
|
static struct target_stat_scsi_att_intr_port_attribute \
|
|
target_stat_scsi_att_intr_port_##_name = \
|
|
__CONFIGFS_EATTR(_name, _mode, \
|
|
target_stat_scsi_att_intr_port_show_attr_##_name, \
|
|
target_stat_scsi_att_intr_port_store_attr_##_name);
|
|
|
|
#define DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR_RO(_name) \
|
|
static struct target_stat_scsi_att_intr_port_attribute \
|
|
target_stat_scsi_att_intr_port_##_name = \
|
|
__CONFIGFS_EATTR_RO(_name, \
|
|
target_stat_scsi_att_intr_port_show_attr_##_name);
|
|
|
|
static ssize_t target_stat_scsi_att_intr_port_show_attr_inst(
|
|
struct se_ml_stat_grps *lgrps, char *page)
|
|
{
|
|
struct se_lun_acl *lacl = container_of(lgrps,
|
|
struct se_lun_acl, ml_stat_grps);
|
|
struct se_node_acl *nacl = lacl->se_lun_nacl;
|
|
struct se_dev_entry *deve;
|
|
struct se_portal_group *tpg;
|
|
ssize_t ret;
|
|
|
|
rcu_read_lock();
|
|
deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
|
|
if (!deve) {
|
|
rcu_read_unlock();
|
|
return -ENODEV;
|
|
}
|
|
tpg = nacl->se_tpg;
|
|
/* scsiInstIndex */
|
|
ret = snprintf(page, PAGE_SIZE, "%u\n",
|
|
tpg->se_tpg_tfo->tpg_get_inst_index(tpg));
|
|
rcu_read_unlock();
|
|
return ret;
|
|
}
|
|
DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR_RO(inst);
|
|
|
|
static ssize_t target_stat_scsi_att_intr_port_show_attr_dev(
|
|
struct se_ml_stat_grps *lgrps, char *page)
|
|
{
|
|
struct se_lun_acl *lacl = container_of(lgrps,
|
|
struct se_lun_acl, ml_stat_grps);
|
|
struct se_node_acl *nacl = lacl->se_lun_nacl;
|
|
struct se_dev_entry *deve;
|
|
struct se_lun *lun;
|
|
ssize_t ret;
|
|
|
|
rcu_read_lock();
|
|
deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
|
|
if (!deve) {
|
|
rcu_read_unlock();
|
|
return -ENODEV;
|
|
}
|
|
lun = rcu_dereference(deve->se_lun);
|
|
/* scsiDeviceIndex */
|
|
ret = snprintf(page, PAGE_SIZE, "%u\n", lun->lun_index);
|
|
rcu_read_unlock();
|
|
return ret;
|
|
}
|
|
DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR_RO(dev);
|
|
|
|
static ssize_t target_stat_scsi_att_intr_port_show_attr_port(
|
|
struct se_ml_stat_grps *lgrps, char *page)
|
|
{
|
|
struct se_lun_acl *lacl = container_of(lgrps,
|
|
struct se_lun_acl, ml_stat_grps);
|
|
struct se_node_acl *nacl = lacl->se_lun_nacl;
|
|
struct se_dev_entry *deve;
|
|
struct se_portal_group *tpg;
|
|
ssize_t ret;
|
|
|
|
rcu_read_lock();
|
|
deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
|
|
if (!deve) {
|
|
rcu_read_unlock();
|
|
return -ENODEV;
|
|
}
|
|
tpg = nacl->se_tpg;
|
|
/* scsiPortIndex */
|
|
ret = snprintf(page, PAGE_SIZE, "%u\n", tpg->se_tpg_tfo->tpg_get_tag(tpg));
|
|
rcu_read_unlock();
|
|
return ret;
|
|
}
|
|
DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR_RO(port);
|
|
|
|
static ssize_t target_stat_scsi_att_intr_port_show_attr_indx(
|
|
struct se_ml_stat_grps *lgrps, char *page)
|
|
{
|
|
struct se_lun_acl *lacl = container_of(lgrps,
|
|
struct se_lun_acl, ml_stat_grps);
|
|
struct se_node_acl *nacl = lacl->se_lun_nacl;
|
|
struct se_session *se_sess;
|
|
struct se_portal_group *tpg;
|
|
ssize_t ret;
|
|
|
|
spin_lock_irq(&nacl->nacl_sess_lock);
|
|
se_sess = nacl->nacl_sess;
|
|
if (!se_sess) {
|
|
spin_unlock_irq(&nacl->nacl_sess_lock);
|
|
return -ENODEV;
|
|
}
|
|
|
|
tpg = nacl->se_tpg;
|
|
/* scsiAttIntrPortIndex */
|
|
ret = snprintf(page, PAGE_SIZE, "%u\n",
|
|
tpg->se_tpg_tfo->sess_get_index(se_sess));
|
|
spin_unlock_irq(&nacl->nacl_sess_lock);
|
|
return ret;
|
|
}
|
|
DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR_RO(indx);
|
|
|
|
static ssize_t target_stat_scsi_att_intr_port_show_attr_port_auth_indx(
|
|
struct se_ml_stat_grps *lgrps, char *page)
|
|
{
|
|
struct se_lun_acl *lacl = container_of(lgrps,
|
|
struct se_lun_acl, ml_stat_grps);
|
|
struct se_node_acl *nacl = lacl->se_lun_nacl;
|
|
struct se_dev_entry *deve;
|
|
ssize_t ret;
|
|
|
|
rcu_read_lock();
|
|
deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
|
|
if (!deve) {
|
|
rcu_read_unlock();
|
|
return -ENODEV;
|
|
}
|
|
/* scsiAttIntrPortAuthIntrIdx */
|
|
ret = snprintf(page, PAGE_SIZE, "%u\n", nacl->acl_index);
|
|
rcu_read_unlock();
|
|
return ret;
|
|
}
|
|
DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR_RO(port_auth_indx);
|
|
|
|
static ssize_t target_stat_scsi_att_intr_port_show_attr_port_ident(
|
|
struct se_ml_stat_grps *lgrps, char *page)
|
|
{
|
|
struct se_lun_acl *lacl = container_of(lgrps,
|
|
struct se_lun_acl, ml_stat_grps);
|
|
struct se_node_acl *nacl = lacl->se_lun_nacl;
|
|
struct se_session *se_sess;
|
|
struct se_portal_group *tpg;
|
|
ssize_t ret;
|
|
unsigned char buf[64];
|
|
|
|
spin_lock_irq(&nacl->nacl_sess_lock);
|
|
se_sess = nacl->nacl_sess;
|
|
if (!se_sess) {
|
|
spin_unlock_irq(&nacl->nacl_sess_lock);
|
|
return -ENODEV;
|
|
}
|
|
|
|
tpg = nacl->se_tpg;
|
|
/* scsiAttIntrPortName+scsiAttIntrPortIdentifier */
|
|
memset(buf, 0, 64);
|
|
if (tpg->se_tpg_tfo->sess_get_initiator_sid != NULL)
|
|
tpg->se_tpg_tfo->sess_get_initiator_sid(se_sess, buf, 64);
|
|
|
|
ret = snprintf(page, PAGE_SIZE, "%s+i+%s\n", nacl->initiatorname, buf);
|
|
spin_unlock_irq(&nacl->nacl_sess_lock);
|
|
return ret;
|
|
}
|
|
DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR_RO(port_ident);
|
|
|
|
CONFIGFS_EATTR_OPS(target_stat_scsi_att_intr_port, se_ml_stat_grps,
|
|
scsi_att_intr_port_group);
|
|
|
|
static struct configfs_attribute *target_stat_scsi_ath_intr_port_attrs[] = {
|
|
&target_stat_scsi_att_intr_port_inst.attr,
|
|
&target_stat_scsi_att_intr_port_dev.attr,
|
|
&target_stat_scsi_att_intr_port_port.attr,
|
|
&target_stat_scsi_att_intr_port_indx.attr,
|
|
&target_stat_scsi_att_intr_port_port_auth_indx.attr,
|
|
&target_stat_scsi_att_intr_port_port_ident.attr,
|
|
NULL,
|
|
};
|
|
|
|
static struct configfs_item_operations target_stat_scsi_att_intr_port_attrib_ops = {
|
|
.show_attribute = target_stat_scsi_att_intr_port_attr_show,
|
|
.store_attribute = target_stat_scsi_att_intr_port_attr_store,
|
|
};
|
|
|
|
static struct config_item_type target_stat_scsi_att_intr_port_cit = {
|
|
.ct_item_ops = &target_stat_scsi_att_intr_port_attrib_ops,
|
|
.ct_attrs = target_stat_scsi_ath_intr_port_attrs,
|
|
.ct_owner = THIS_MODULE,
|
|
};
|
|
|
|
/*
|
|
* Called from target_core_fabric_configfs.c:target_fabric_make_mappedlun() to setup
|
|
* the target MappedLUN statistics groups + configfs CITs located in target_core_stat.c
|
|
*/
|
|
void target_stat_setup_mappedlun_default_groups(struct se_lun_acl *lacl)
|
|
{
|
|
struct config_group *ml_stat_grp = &lacl->ml_stat_grps.stat_group;
|
|
|
|
config_group_init_type_name(&lacl->ml_stat_grps.scsi_auth_intr_group,
|
|
"scsi_auth_intr", &target_stat_scsi_auth_intr_cit);
|
|
config_group_init_type_name(&lacl->ml_stat_grps.scsi_att_intr_port_group,
|
|
"scsi_att_intr_port", &target_stat_scsi_att_intr_port_cit);
|
|
|
|
ml_stat_grp->default_groups[0] = &lacl->ml_stat_grps.scsi_auth_intr_group;
|
|
ml_stat_grp->default_groups[1] = &lacl->ml_stat_grps.scsi_att_intr_port_group;
|
|
ml_stat_grp->default_groups[2] = NULL;
|
|
}
|