swh:1:snp:3c665ee4f67729f27f2e40193ab88e7298cf0fef
Tip revision: 52721d9d3334c1cb1f76219a161084094ec634dc authored by Linus Torvalds on 19 July 2015, 21:45:02 UTC
Linux 4.2-rc3
Linux 4.2-rc3
Tip revision: 52721d9
target_core_stat.c
/*******************************************************************************
* 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/configfs_macros.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
*/
CONFIGFS_EATTR_STRUCT(target_stat_scsi_dev, se_dev_stat_grps);
#define DEV_STAT_SCSI_DEV_ATTR(_name, _mode) \
static struct target_stat_scsi_dev_attribute \
target_stat_scsi_dev_##_name = \
__CONFIGFS_EATTR(_name, _mode, \
target_stat_scsi_dev_show_attr_##_name, \
target_stat_scsi_dev_store_attr_##_name);
#define DEV_STAT_SCSI_DEV_ATTR_RO(_name) \
static struct target_stat_scsi_dev_attribute \
target_stat_scsi_dev_##_name = \
__CONFIGFS_EATTR_RO(_name, \
target_stat_scsi_dev_show_attr_##_name);
static ssize_t target_stat_scsi_dev_show_attr_inst(
struct se_dev_stat_grps *sgrps, char *page)
{
struct se_device *dev =
container_of(sgrps, struct se_device, dev_stat_grps);
struct se_hba *hba = dev->se_hba;
return snprintf(page, PAGE_SIZE, "%u\n", hba->hba_index);
}
DEV_STAT_SCSI_DEV_ATTR_RO(inst);
static ssize_t target_stat_scsi_dev_show_attr_indx(
struct se_dev_stat_grps *sgrps, char *page)
{
struct se_device *dev =
container_of(sgrps, struct se_device, dev_stat_grps);
return snprintf(page, PAGE_SIZE, "%u\n", dev->dev_index);
}
DEV_STAT_SCSI_DEV_ATTR_RO(indx);
static ssize_t target_stat_scsi_dev_show_attr_role(
struct se_dev_stat_grps *sgrps, char *page)
{
return snprintf(page, PAGE_SIZE, "Target\n");
}
DEV_STAT_SCSI_DEV_ATTR_RO(role);
static ssize_t target_stat_scsi_dev_show_attr_ports(
struct se_dev_stat_grps *sgrps, char *page)
{
struct se_device *dev =
container_of(sgrps, struct se_device, dev_stat_grps);
return snprintf(page, PAGE_SIZE, "%u\n", dev->export_count);
}
DEV_STAT_SCSI_DEV_ATTR_RO(ports);
CONFIGFS_EATTR_OPS(target_stat_scsi_dev, se_dev_stat_grps, scsi_dev_group);
static struct configfs_attribute *target_stat_scsi_dev_attrs[] = {
&target_stat_scsi_dev_inst.attr,
&target_stat_scsi_dev_indx.attr,
&target_stat_scsi_dev_role.attr,
&target_stat_scsi_dev_ports.attr,
NULL,
};
static struct configfs_item_operations target_stat_scsi_dev_attrib_ops = {
.show_attribute = target_stat_scsi_dev_attr_show,
.store_attribute = target_stat_scsi_dev_attr_store,
};
static struct config_item_type target_stat_scsi_dev_cit = {
.ct_item_ops = &target_stat_scsi_dev_attrib_ops,
.ct_attrs = target_stat_scsi_dev_attrs,
.ct_owner = THIS_MODULE,
};
/*
* SCSI Target Device Table
*/
CONFIGFS_EATTR_STRUCT(target_stat_scsi_tgt_dev, se_dev_stat_grps);
#define DEV_STAT_SCSI_TGT_DEV_ATTR(_name, _mode) \
static struct target_stat_scsi_tgt_dev_attribute \
target_stat_scsi_tgt_dev_##_name = \
__CONFIGFS_EATTR(_name, _mode, \
target_stat_scsi_tgt_dev_show_attr_##_name, \
target_stat_scsi_tgt_dev_store_attr_##_name);
#define DEV_STAT_SCSI_TGT_DEV_ATTR_RO(_name) \
static struct target_stat_scsi_tgt_dev_attribute \
target_stat_scsi_tgt_dev_##_name = \
__CONFIGFS_EATTR_RO(_name, \
target_stat_scsi_tgt_dev_show_attr_##_name);
static ssize_t target_stat_scsi_tgt_dev_show_attr_inst(
struct se_dev_stat_grps *sgrps, char *page)
{
struct se_device *dev =
container_of(sgrps, struct se_device, dev_stat_grps);
struct se_hba *hba = dev->se_hba;
return snprintf(page, PAGE_SIZE, "%u\n", hba->hba_index);
}
DEV_STAT_SCSI_TGT_DEV_ATTR_RO(inst);
static ssize_t target_stat_scsi_tgt_dev_show_attr_indx(
struct se_dev_stat_grps *sgrps, char *page)
{
struct se_device *dev =
container_of(sgrps, struct se_device, dev_stat_grps);
return snprintf(page, PAGE_SIZE, "%u\n", dev->dev_index);
}
DEV_STAT_SCSI_TGT_DEV_ATTR_RO(indx);
static ssize_t target_stat_scsi_tgt_dev_show_attr_num_lus(
struct se_dev_stat_grps *sgrps, char *page)
{
return snprintf(page, PAGE_SIZE, "%u\n", LU_COUNT);
}
DEV_STAT_SCSI_TGT_DEV_ATTR_RO(num_lus);
static ssize_t target_stat_scsi_tgt_dev_show_attr_status(
struct se_dev_stat_grps *sgrps, char *page)
{
struct se_device *dev =
container_of(sgrps, struct se_device, dev_stat_grps);
if (dev->export_count)
return snprintf(page, PAGE_SIZE, "activated");
else
return snprintf(page, PAGE_SIZE, "deactivated");
}
DEV_STAT_SCSI_TGT_DEV_ATTR_RO(status);
static ssize_t target_stat_scsi_tgt_dev_show_attr_non_access_lus(
struct se_dev_stat_grps *sgrps, char *page)
{
struct se_device *dev =
container_of(sgrps, struct se_device, dev_stat_grps);
int non_accessible_lus;
if (dev->export_count)
non_accessible_lus = 0;
else
non_accessible_lus = 1;
return snprintf(page, PAGE_SIZE, "%u\n", non_accessible_lus);
}
DEV_STAT_SCSI_TGT_DEV_ATTR_RO(non_access_lus);
static ssize_t target_stat_scsi_tgt_dev_show_attr_resets(
struct se_dev_stat_grps *sgrps, char *page)
{
struct se_device *dev =
container_of(sgrps, struct se_device, dev_stat_grps);
return snprintf(page, PAGE_SIZE, "%lu\n",
atomic_long_read(&dev->num_resets));
}
DEV_STAT_SCSI_TGT_DEV_ATTR_RO(resets);
CONFIGFS_EATTR_OPS(target_stat_scsi_tgt_dev, se_dev_stat_grps, scsi_tgt_dev_group);
static struct configfs_attribute *target_stat_scsi_tgt_dev_attrs[] = {
&target_stat_scsi_tgt_dev_inst.attr,
&target_stat_scsi_tgt_dev_indx.attr,
&target_stat_scsi_tgt_dev_num_lus.attr,
&target_stat_scsi_tgt_dev_status.attr,
&target_stat_scsi_tgt_dev_non_access_lus.attr,
&target_stat_scsi_tgt_dev_resets.attr,
NULL,
};
static struct configfs_item_operations target_stat_scsi_tgt_dev_attrib_ops = {
.show_attribute = target_stat_scsi_tgt_dev_attr_show,
.store_attribute = target_stat_scsi_tgt_dev_attr_store,
};
static struct config_item_type target_stat_scsi_tgt_dev_cit = {
.ct_item_ops = &target_stat_scsi_tgt_dev_attrib_ops,
.ct_attrs = target_stat_scsi_tgt_dev_attrs,
.ct_owner = THIS_MODULE,
};
/*
* SCSI Logical Unit Table
*/
CONFIGFS_EATTR_STRUCT(target_stat_scsi_lu, se_dev_stat_grps);
#define DEV_STAT_SCSI_LU_ATTR(_name, _mode) \
static struct target_stat_scsi_lu_attribute target_stat_scsi_lu_##_name = \
__CONFIGFS_EATTR(_name, _mode, \
target_stat_scsi_lu_show_attr_##_name, \
target_stat_scsi_lu_store_attr_##_name);
#define DEV_STAT_SCSI_LU_ATTR_RO(_name) \
static struct target_stat_scsi_lu_attribute target_stat_scsi_lu_##_name = \
__CONFIGFS_EATTR_RO(_name, \
target_stat_scsi_lu_show_attr_##_name);
static ssize_t target_stat_scsi_lu_show_attr_inst(
struct se_dev_stat_grps *sgrps, char *page)
{
struct se_device *dev =
container_of(sgrps, struct se_device, dev_stat_grps);
struct se_hba *hba = dev->se_hba;
return snprintf(page, PAGE_SIZE, "%u\n", hba->hba_index);
}
DEV_STAT_SCSI_LU_ATTR_RO(inst);
static ssize_t target_stat_scsi_lu_show_attr_dev(
struct se_dev_stat_grps *sgrps, char *page)
{
struct se_device *dev =
container_of(sgrps, struct se_device, dev_stat_grps);
return snprintf(page, PAGE_SIZE, "%u\n", dev->dev_index);
}
DEV_STAT_SCSI_LU_ATTR_RO(dev);
static ssize_t target_stat_scsi_lu_show_attr_indx(
struct se_dev_stat_grps *sgrps, char *page)
{
return snprintf(page, PAGE_SIZE, "%u\n", SCSI_LU_INDEX);
}
DEV_STAT_SCSI_LU_ATTR_RO(indx);
static ssize_t target_stat_scsi_lu_show_attr_lun(
struct se_dev_stat_grps *sgrps, char *page)
{
/* FIXME: scsiLuDefaultLun */
return snprintf(page, PAGE_SIZE, "%llu\n", (unsigned long long)0);
}
DEV_STAT_SCSI_LU_ATTR_RO(lun);
static ssize_t target_stat_scsi_lu_show_attr_lu_name(
struct se_dev_stat_grps *sgrps, char *page)
{
struct se_device *dev =
container_of(sgrps, struct se_device, dev_stat_grps);
/* scsiLuWwnName */
return snprintf(page, PAGE_SIZE, "%s\n",
(strlen(dev->t10_wwn.unit_serial)) ?
dev->t10_wwn.unit_serial : "None");
}
DEV_STAT_SCSI_LU_ATTR_RO(lu_name);
static ssize_t target_stat_scsi_lu_show_attr_vend(
struct se_dev_stat_grps *sgrps, char *page)
{
struct se_device *dev =
container_of(sgrps, struct se_device, dev_stat_grps);
int i;
char str[sizeof(dev->t10_wwn.vendor)+1];
/* scsiLuVendorId */
for (i = 0; i < sizeof(dev->t10_wwn.vendor); i++)
str[i] = ISPRINT(dev->t10_wwn.vendor[i]) ?
dev->t10_wwn.vendor[i] : ' ';
str[i] = '\0';
return snprintf(page, PAGE_SIZE, "%s\n", str);
}
DEV_STAT_SCSI_LU_ATTR_RO(vend);
static ssize_t target_stat_scsi_lu_show_attr_prod(
struct se_dev_stat_grps *sgrps, char *page)
{
struct se_device *dev =
container_of(sgrps, struct se_device, dev_stat_grps);
int i;
char str[sizeof(dev->t10_wwn.model)+1];
/* scsiLuProductId */
for (i = 0; i < sizeof(dev->t10_wwn.vendor); i++)
str[i] = ISPRINT(dev->t10_wwn.model[i]) ?
dev->t10_wwn.model[i] : ' ';
str[i] = '\0';
return snprintf(page, PAGE_SIZE, "%s\n", str);
}
DEV_STAT_SCSI_LU_ATTR_RO(prod);
static ssize_t target_stat_scsi_lu_show_attr_rev(
struct se_dev_stat_grps *sgrps, char *page)
{
struct se_device *dev =
container_of(sgrps, struct se_device, dev_stat_grps);
int i;
char str[sizeof(dev->t10_wwn.revision)+1];
/* scsiLuRevisionId */
for (i = 0; i < sizeof(dev->t10_wwn.revision); i++)
str[i] = ISPRINT(dev->t10_wwn.revision[i]) ?
dev->t10_wwn.revision[i] : ' ';
str[i] = '\0';
return snprintf(page, PAGE_SIZE, "%s\n", str);
}
DEV_STAT_SCSI_LU_ATTR_RO(rev);
static ssize_t target_stat_scsi_lu_show_attr_dev_type(
struct se_dev_stat_grps *sgrps, char *page)
{
struct se_device *dev =
container_of(sgrps, struct se_device, dev_stat_grps);
/* scsiLuPeripheralType */
return snprintf(page, PAGE_SIZE, "%u\n",
dev->transport->get_device_type(dev));
}
DEV_STAT_SCSI_LU_ATTR_RO(dev_type);
static ssize_t target_stat_scsi_lu_show_attr_status(
struct se_dev_stat_grps *sgrps, char *page)
{
struct se_device *dev =
container_of(sgrps, struct se_device, dev_stat_grps);
/* scsiLuStatus */
return snprintf(page, PAGE_SIZE, "%s\n",
(dev->export_count) ? "available" : "notavailable");
}
DEV_STAT_SCSI_LU_ATTR_RO(status);
static ssize_t target_stat_scsi_lu_show_attr_state_bit(
struct se_dev_stat_grps *sgrps, char *page)
{
/* scsiLuState */
return snprintf(page, PAGE_SIZE, "exposed\n");
}
DEV_STAT_SCSI_LU_ATTR_RO(state_bit);
static ssize_t target_stat_scsi_lu_show_attr_num_cmds(
struct se_dev_stat_grps *sgrps, char *page)
{
struct se_device *dev =
container_of(sgrps, struct se_device, dev_stat_grps);
/* scsiLuNumCommands */
return snprintf(page, PAGE_SIZE, "%lu\n",
atomic_long_read(&dev->num_cmds));
}
DEV_STAT_SCSI_LU_ATTR_RO(num_cmds);
static ssize_t target_stat_scsi_lu_show_attr_read_mbytes(
struct se_dev_stat_grps *sgrps, char *page)
{
struct se_device *dev =
container_of(sgrps, struct se_device, dev_stat_grps);
/* scsiLuReadMegaBytes */
return snprintf(page, PAGE_SIZE, "%lu\n",
atomic_long_read(&dev->read_bytes) >> 20);
}
DEV_STAT_SCSI_LU_ATTR_RO(read_mbytes);
static ssize_t target_stat_scsi_lu_show_attr_write_mbytes(
struct se_dev_stat_grps *sgrps, char *page)
{
struct se_device *dev =
container_of(sgrps, struct se_device, dev_stat_grps);
/* scsiLuWrittenMegaBytes */
return snprintf(page, PAGE_SIZE, "%lu\n",
atomic_long_read(&dev->write_bytes) >> 20);
}
DEV_STAT_SCSI_LU_ATTR_RO(write_mbytes);
static ssize_t target_stat_scsi_lu_show_attr_resets(
struct se_dev_stat_grps *sgrps, char *page)
{
struct se_device *dev =
container_of(sgrps, struct se_device, dev_stat_grps);
/* scsiLuInResets */
return snprintf(page, PAGE_SIZE, "%lu\n", atomic_long_read(&dev->num_resets));
}
DEV_STAT_SCSI_LU_ATTR_RO(resets);
static ssize_t target_stat_scsi_lu_show_attr_full_stat(
struct se_dev_stat_grps *sgrps, char *page)
{
/* FIXME: scsiLuOutTaskSetFullStatus */
return snprintf(page, PAGE_SIZE, "%u\n", 0);
}
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;
}