/*******************************************************************************
* Filename: target_core_stat.c
*
* Modern ConfigFS group context specific statistics based on original
* target_core_mib.c code
*
* (c) Copyright 2006-2013 Datera, Inc.
*
* Nicholas A. Bellinger <nab@linux-iscsi.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
******************************************************************************/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/delay.h>
#include <linux/timer.h>
#include <linux/string.h>
#include <linux/utsname.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#include <linux/configfs.h>
#include <target/target_core_base.h>
#include <target/target_core_backend.h>
#include <target/target_core_fabric.h>
#include "target_core_internal.h"
#ifndef INITIAL_JIFFIES
#define INITIAL_JIFFIES ((unsigned long)(unsigned int) (-300*HZ))
#endif
#define NONE "None"
#define ISPRINT(a) ((a >= ' ') && (a <= '~'))
#define SCSI_LU_INDEX 1
#define LU_COUNT 1
/*
* SCSI Device Table
*/
static struct se_device *to_stat_dev(struct config_item *item)
{
struct se_dev_stat_grps *sgrps = container_of(to_config_group(item),
struct se_dev_stat_grps, scsi_dev_group);
return container_of(sgrps, struct se_device, dev_stat_grps);
}
static ssize_t target_stat_inst_show(struct config_item *item, char *page)
{
struct se_hba *hba = to_stat_dev(item)->se_hba;
return snprintf(page, PAGE_SIZE, "%u\n", hba->hba_index);
}
static ssize_t target_stat_indx_show(struct config_item *item, char *page)
{
return snprintf(page, PAGE_SIZE, "%u\n", to_stat_dev(item)->dev_index);
}
static ssize_t target_stat_role_show(struct config_item *item, char *page)
{
return snprintf(page, PAGE_SIZE, "Target\n");
}
static 