linux/drivers/target/iscsi/iscsi_target_stat.c

950 lines
28 KiB
C

/*******************************************************************************
* Modern ConfigFS group context specific iSCSI statistics based on original
* iscsi_target_mib.c code
*
* Copyright (c) 2011-2013 Datera, Inc.
*
* Author: 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.
******************************************************************************/
#include <linux/configfs.h>
#include <linux/export.h>
#include <scsi/iscsi_proto.h>
#include <target/target_core_base.h>
#include <target/configfs_macros.h>
#include "iscsi_target_core.h"
#include "iscsi_target_parameters.h"
#include "iscsi_target_device.h"
#include "iscsi_target_tpg.h"
#include "iscsi_target_util.h"
#include "iscsi_target_stat.h"
#ifndef INITIAL_JIFFIES
#define INITIAL_JIFFIES ((unsigned long)(unsigned int) (-300*HZ))
#endif
/* Instance Attributes Table */
#define ISCSI_INST_NUM_NODES 1
#define ISCSI_INST_DESCR "Storage Engine Target"
#define ISCSI_INST_LAST_FAILURE_TYPE 0
#define ISCSI_DISCONTINUITY_TIME 0
#define ISCSI_NODE_INDEX 1
#define ISPRINT(a) ((a >= ' ') && (a <= '~'))
/****************************************************************************
* iSCSI MIB Tables
****************************************************************************/
/*
* Instance Attributes Table
*/
CONFIGFS_EATTR_STRUCT(iscsi_stat_instance, iscsi_wwn_stat_grps);
#define ISCSI_STAT_INSTANCE_ATTR(_name, _mode) \
static struct iscsi_stat_instance_attribute \
iscsi_stat_instance_##_name = \
__CONFIGFS_EATTR(_name, _mode, \
iscsi_stat_instance_show_attr_##_name, \
iscsi_stat_instance_store_attr_##_name);
#define ISCSI_STAT_INSTANCE_ATTR_RO(_name) \
static struct iscsi_stat_instance_attribute \
iscsi_stat_instance_##_name = \
__CONFIGFS_EATTR_RO(_name, \
iscsi_stat_instance_show_attr_##_name);
static ssize_t iscsi_stat_instance_show_attr_inst(
struct iscsi_wwn_stat_grps *igrps, char *page)
{
struct iscsi_tiqn *tiqn = container_of(igrps,
struct iscsi_tiqn, tiqn_stat_grps);
return snprintf(page, PAGE_SIZE, "%u\n", tiqn->tiqn_index);
}
ISCSI_STAT_INSTANCE_ATTR_RO(inst);
static ssize_t iscsi_stat_instance_show_attr_min_ver(
struct iscsi_wwn_stat_grps *igrps, char *page)
{
return snprintf(page, PAGE_SIZE, "%u\n", ISCSI_DRAFT20_VERSION);
}
ISCSI_STAT_INSTANCE_ATTR_RO(min_ver);
static ssize_t iscsi_stat_instance_show_attr_max_ver(
struct iscsi_wwn_stat_grps *igrps, char *page)
{
return snprintf(page, PAGE_SIZE, "%u\n", ISCSI_DRAFT20_VERSION);
}
ISCSI_STAT_INSTANCE_ATTR_RO(max_ver);
static ssize_t iscsi_stat_instance_show_attr_portals(
struct iscsi_wwn_stat_grps *igrps, char *page)
{
struct iscsi_tiqn *tiqn = container_of(igrps,
struct iscsi_tiqn, tiqn_stat_grps);
return snprintf(page, PAGE_SIZE, "%u\n", tiqn->tiqn_num_tpg_nps);
}
ISCSI_STAT_INSTANCE_ATTR_RO(portals);
static ssize_t iscsi_stat_instance_show_attr_nodes(
struct iscsi_wwn_stat_grps *igrps, char *page)
{
return snprintf(page, PAGE_SIZE, "%u\n", ISCSI_INST_NUM_NODES);
}
ISCSI_STAT_INSTANCE_ATTR_RO(nodes);
static ssize_t iscsi_stat_instance_show_attr_sessions(
struct iscsi_wwn_stat_grps *igrps, char *page)
{
struct iscsi_tiqn *tiqn = container_of(igrps,
struct iscsi_tiqn, tiqn_stat_grps);
return snprintf(page, PAGE_SIZE, "%u\n", tiqn->tiqn_nsessions);
}
ISCSI_STAT_INSTANCE_ATTR_RO(sessions);
static ssize_t iscsi_stat_instance_show_attr_fail_sess(
struct iscsi_wwn_stat_grps *igrps, char *page)
{
struct iscsi_tiqn *tiqn = container_of(igrps,
struct iscsi_tiqn, tiqn_stat_grps);
struct iscsi_sess_err_stats *sess_err = &tiqn->sess_err_stats;
u32 sess_err_count;
spin_lock_bh(&sess_err->lock);
sess_err_count = (sess_err->digest_errors +
sess_err->cxn_timeout_errors +
sess_err->pdu_format_errors);
spin_unlock_bh(&sess_err->lock);
return snprintf(page, PAGE_SIZE, "%u\n", sess_err_count);
}
ISCSI_STAT_INSTANCE_ATTR_RO(fail_sess);
static ssize_t iscsi_stat_instance_show_attr_fail_type(
struct iscsi_wwn_stat_grps *igrps, char *page)
{
struct iscsi_tiqn *tiqn = container_of(igrps,
struct iscsi_tiqn, tiqn_stat_grps);
struct iscsi_sess_err_stats *sess_err = &tiqn->sess_err_stats;
return snprintf(page, PAGE_SIZE, "%u\n",
sess_err->last_sess_failure_type);
}
ISCSI_STAT_INSTANCE_ATTR_RO(fail_type);
static ssize_t iscsi_stat_instance_show_attr_fail_rem_name(
struct iscsi_wwn_stat_grps *igrps, char *page)
{
struct iscsi_tiqn *tiqn = container_of(igrps,
struct iscsi_tiqn, tiqn_stat_grps);
struct iscsi_sess_err_stats *sess_err = &tiqn->sess_err_stats;
return snprintf(page, PAGE_SIZE, "%s\n",
sess_err->last_sess_fail_rem_name[0] ?
sess_err->last_sess_fail_rem_name : NONE);
}
ISCSI_STAT_INSTANCE_ATTR_RO(fail_rem_name);
static ssize_t iscsi_stat_instance_show_attr_disc_time(
struct iscsi_wwn_stat_grps *igrps, char *page)
{
return snprintf(page, PAGE_SIZE, "%u\n", ISCSI_DISCONTINUITY_TIME);
}
ISCSI_STAT_INSTANCE_ATTR_RO(disc_time);
static ssize_t iscsi_stat_instance_show_attr_description(
struct iscsi_wwn_stat_grps *igrps, char *page)
{
return snprintf(page, PAGE_SIZE, "%s\n", ISCSI_INST_DESCR);
}
ISCSI_STAT_INSTANCE_ATTR_RO(description);
static ssize_t iscsi_stat_instance_show_attr_vendor(
struct iscsi_wwn_stat_grps *igrps, char *page)
{
return snprintf(page, PAGE_SIZE, "Datera, Inc. iSCSI-Target\n");
}
ISCSI_STAT_INSTANCE_ATTR_RO(vendor);
static ssize_t iscsi_stat_instance_show_attr_version(
struct iscsi_wwn_stat_grps *igrps, char *page)
{
return snprintf(page, PAGE_SIZE, "%s\n", ISCSIT_VERSION);
}
ISCSI_STAT_INSTANCE_ATTR_RO(version);
CONFIGFS_EATTR_OPS(iscsi_stat_instance, iscsi_wwn_stat_grps,
iscsi_instance_group);
static struct configfs_attribute *iscsi_stat_instance_attrs[] = {
&iscsi_stat_instance_inst.attr,
&iscsi_stat_instance_min_ver.attr,
&iscsi_stat_instance_max_ver.attr,
&iscsi_stat_instance_portals.attr,
&iscsi_stat_instance_nodes.attr,
&iscsi_stat_instance_sessions.attr,
&iscsi_stat_instance_fail_sess.attr,
&iscsi_stat_instance_fail_type.attr,
&iscsi_stat_instance_fail_rem_name.attr,
&iscsi_stat_instance_disc_time.attr,
&iscsi_stat_instance_description.attr,
&iscsi_stat_instance_vendor.attr,
&iscsi_stat_instance_version.attr,
NULL,
};
static struct configfs_item_operations iscsi_stat_instance_item_ops = {
.show_attribute = iscsi_stat_instance_attr_show,
.store_attribute = iscsi_stat_instance_attr_store,
};
struct config_item_type iscsi_stat_instance_cit = {
.ct_item_ops = &iscsi_stat_instance_item_ops,
.ct_attrs = iscsi_stat_instance_attrs,
.ct_owner = THIS_MODULE,
};
/*
* Instance Session Failure Stats Table
*/
CONFIGFS_EATTR_STRUCT(iscsi_stat_sess_err, iscsi_wwn_stat_grps);
#define ISCSI_STAT_SESS_ERR_ATTR(_name, _mode) \
static struct iscsi_stat_sess_err_attribute \
iscsi_stat_sess_err_##_name = \
__CONFIGFS_EATTR(_name, _mode, \
iscsi_stat_sess_err_show_attr_##_name, \
iscsi_stat_sess_err_store_attr_##_name);
#define ISCSI_STAT_SESS_ERR_ATTR_RO(_name) \
static struct iscsi_stat_sess_err_attribute \
iscsi_stat_sess_err_##_name = \
__CONFIGFS_EATTR_RO(_name, \
iscsi_stat_sess_err_show_attr_##_name);
static ssize_t iscsi_stat_sess_err_show_attr_inst(
struct iscsi_wwn_stat_grps *igrps, char *page)
{
struct iscsi_tiqn *tiqn = container_of(igrps,
struct iscsi_tiqn, tiqn_stat_grps);
return snprintf(page, PAGE_SIZE, "%u\n", tiqn->tiqn_index);
}
ISCSI_STAT_SESS_ERR_ATTR_RO(inst);
static ssize_t iscsi_stat_sess_err_show_attr_digest_errors(
struct iscsi_wwn_stat_grps *igrps, char *page)
{
struct iscsi_tiqn *tiqn = container_of(igrps,
struct iscsi_tiqn, tiqn_stat_grps);
struct iscsi_sess_err_stats *sess_err = &tiqn->sess_err_stats;
return snprintf(page, PAGE_SIZE, "%u\n", sess_err->digest_errors);
}
ISCSI_STAT_SESS_ERR_ATTR_RO(digest_errors);
static ssize_t iscsi_stat_sess_err_show_attr_cxn_errors(
struct iscsi_wwn_stat_grps *igrps, char *page)
{
struct iscsi_tiqn *tiqn = container_of(igrps,
struct iscsi_tiqn, tiqn_stat_grps);
struct iscsi_sess_err_stats *sess_err = &tiqn->sess_err_stats;
return snprintf(page, PAGE_SIZE, "%u\n", sess_err->cxn_timeout_errors);
}
ISCSI_STAT_SESS_ERR_ATTR_RO(cxn_errors);
static ssize_t iscsi_stat_sess_err_show_attr_format_errors(
struct iscsi_wwn_stat_grps *igrps, char *page)
{
struct iscsi_tiqn *tiqn = container_of(igrps,
struct iscsi_tiqn, tiqn_stat_grps);
struct iscsi_sess_err_stats *sess_err = &tiqn->sess_err_stats;
return snprintf(page, PAGE_SIZE, "%u\n", sess_err->pdu_format_errors);
}
ISCSI_STAT_SESS_ERR_ATTR_RO(format_errors);
CONFIGFS_EATTR_OPS(iscsi_stat_sess_err, iscsi_wwn_stat_grps,
iscsi_sess_err_group);
static struct configfs_attribute *iscsi_stat_sess_err_attrs[] = {
&iscsi_stat_sess_err_inst.attr,
&iscsi_stat_sess_err_digest_errors.attr,
&iscsi_stat_sess_err_cxn_errors.attr,
&iscsi_stat_sess_err_format_errors.attr,
NULL,
};
static struct configfs_item_operations iscsi_stat_sess_err_item_ops = {
.show_attribute = iscsi_stat_sess_err_attr_show,
.store_attribute = iscsi_stat_sess_err_attr_store,
};
struct config_item_type iscsi_stat_sess_err_cit = {
.ct_item_ops = &iscsi_stat_sess_err_item_ops,
.ct_attrs = iscsi_stat_sess_err_attrs,
.ct_owner = THIS_MODULE,
};
/*
* Target Attributes Table
*/
CONFIGFS_EATTR_STRUCT(iscsi_stat_tgt_attr, iscsi_wwn_stat_grps);
#define ISCSI_STAT_TGT_ATTR(_name, _mode) \
static struct iscsi_stat_tgt_attr_attribute \
iscsi_stat_tgt_attr_##_name = \
__CONFIGFS_EATTR(_name, _mode, \
iscsi_stat_tgt-attr_show_attr_##_name, \
iscsi_stat_tgt_attr_store_attr_##_name);
#define ISCSI_STAT_TGT_ATTR_RO(_name) \
static struct iscsi_stat_tgt_attr_attribute \
iscsi_stat_tgt_attr_##_name = \
__CONFIGFS_EATTR_RO(_name, \
iscsi_stat_tgt_attr_show_attr_##_name);
static ssize_t iscsi_stat_tgt_attr_show_attr_inst(
struct iscsi_wwn_stat_grps *igrps, char *page)
{
struct iscsi_tiqn *tiqn = container_of(igrps,
struct iscsi_tiqn, tiqn_stat_grps);
return snprintf(page, PAGE_SIZE, "%u\n", tiqn->tiqn_index);
}
ISCSI_STAT_TGT_ATTR_RO(inst);
static ssize_t iscsi_stat_tgt_attr_show_attr_indx(
struct iscsi_wwn_stat_grps *igrps, char *page)
{
return snprintf(page, PAGE_SIZE, "%u\n", ISCSI_NODE_INDEX);
}
ISCSI_STAT_TGT_ATTR_RO(indx);
static ssize_t iscsi_stat_tgt_attr_show_attr_login_fails(
struct iscsi_wwn_stat_grps *igrps, char *page)
{
struct iscsi_tiqn *tiqn = container_of(igrps,
struct iscsi_tiqn, tiqn_stat_grps);
struct iscsi_login_stats *lstat = &tiqn->login_stats;
u32 fail_count;
spin_lock(&lstat->lock);
fail_count = (lstat->redirects + lstat->authorize_fails +
lstat->authenticate_fails + lstat->negotiate_fails +
lstat->other_fails);
spin_unlock(&lstat->lock);
return snprintf(page, PAGE_SIZE, "%u\n", fail_count);
}
ISCSI_STAT_TGT_ATTR_RO(login_fails);
static ssize_t iscsi_stat_tgt_attr_show_attr_last_fail_time(
struct iscsi_wwn_stat_grps *igrps, char *page)
{
struct iscsi_tiqn *tiqn = container_of(igrps,
struct iscsi_tiqn, tiqn_stat_grps);
struct iscsi_login_stats *lstat = &tiqn->login_stats;
u32 last_fail_time;
spin_lock(&lstat->lock);
last_fail_time = lstat->last_fail_time ?
(u32)(((u32)lstat->last_fail_time -
INITIAL_JIFFIES) * 100 / HZ) : 0;
spin_unlock(&lstat->lock);
return snprintf(page, PAGE_SIZE, "%u\n", last_fail_time);
}
ISCSI_STAT_TGT_ATTR_RO(last_fail_time);
static ssize_t iscsi_stat_tgt_attr_show_attr_last_fail_type(
struct iscsi_wwn_stat_grps *igrps, char *page)
{
struct iscsi_tiqn *tiqn = container_of(igrps,
struct iscsi_tiqn, tiqn_stat_grps);
struct iscsi_login_stats *lstat = &tiqn->login_stats;
u32 last_fail_type;
spin_lock(&lstat->lock);
last_fail_type = lstat->last_fail_type;
spin_unlock(&lstat->lock);
return snprintf(page, PAGE_SIZE, "%u\n", last_fail_type);
}
ISCSI_STAT_TGT_ATTR_RO(last_fail_type);
static ssize_t iscsi_stat_tgt_attr_show_attr_fail_intr_name(
struct iscsi_wwn_stat_grps *igrps, char *page)
{
struct iscsi_tiqn *tiqn = container_of(igrps,
struct iscsi_tiqn, tiqn_stat_grps);
struct iscsi_login_stats *lstat = &tiqn->login_stats;
unsigned char buf[224];
spin_lock(&lstat->lock);
snprintf(buf, 224, "%s", lstat->last_intr_fail_name[0] ?
lstat->last_intr_fail_name : NONE);
spin_unlock(&lstat->lock);
return snprintf(page, PAGE_SIZE, "%s\n", buf);
}
ISCSI_STAT_TGT_ATTR_RO(fail_intr_name);
static ssize_t iscsi_stat_tgt_attr_show_attr_fail_intr_addr_type(
struct iscsi_wwn_stat_grps *igrps, char *page)
{
struct iscsi_tiqn *tiqn = container_of(igrps,
struct iscsi_tiqn, tiqn_stat_grps);
struct iscsi_login_stats *lstat = &tiqn->login_stats;
int ret;
spin_lock(&lstat->lock);
if (lstat->last_intr_fail_ip_family == AF_INET6)
ret = snprintf(page, PAGE_SIZE, "ipv6\n");
else
ret = snprintf(page, PAGE_SIZE, "ipv4\n");
spin_unlock(&lstat->lock);
return ret;
}
ISCSI_STAT_TGT_ATTR_RO(fail_intr_addr_type);
static ssize_t iscsi_stat_tgt_attr_show_attr_fail_intr_addr(
struct iscsi_wwn_stat_grps *igrps, char *page)
{
struct iscsi_tiqn *tiqn = container_of(igrps,
struct iscsi_tiqn, tiqn_stat_grps);
struct iscsi_login_stats *lstat = &tiqn->login_stats;
int ret;
spin_lock(&lstat->lock);
ret = snprintf(page, PAGE_SIZE, "%s\n", lstat->last_intr_fail_ip_addr);
spin_unlock(&lstat->lock);
return ret;
}
ISCSI_STAT_TGT_ATTR_RO(fail_intr_addr);
CONFIGFS_EATTR_OPS(iscsi_stat_tgt_attr, iscsi_wwn_stat_grps,
iscsi_tgt_attr_group);
static struct configfs_attribute *iscsi_stat_tgt_attr_attrs[] = {
&iscsi_stat_tgt_attr_inst.attr,
&iscsi_stat_tgt_attr_indx.attr,
&iscsi_stat_tgt_attr_login_fails.attr,
&iscsi_stat_tgt_attr_last_fail_time.attr,
&iscsi_stat_tgt_attr_last_fail_type.attr,
&iscsi_stat_tgt_attr_fail_intr_name.attr,
&iscsi_stat_tgt_attr_fail_intr_addr_type.attr,
&iscsi_stat_tgt_attr_fail_intr_addr.attr,
NULL,
};
static struct configfs_item_operations iscsi_stat_tgt_attr_item_ops = {
.show_attribute = iscsi_stat_tgt_attr_attr_show,
.store_attribute = iscsi_stat_tgt_attr_attr_store,
};
struct config_item_type iscsi_stat_tgt_attr_cit = {
.ct_item_ops = &iscsi_stat_tgt_attr_item_ops,
.ct_attrs = iscsi_stat_tgt_attr_attrs,
.ct_owner = THIS_MODULE,
};
/*
* Target Login Stats Table
*/
CONFIGFS_EATTR_STRUCT(iscsi_stat_login, iscsi_wwn_stat_grps);
#define ISCSI_STAT_LOGIN(_name, _mode) \
static struct iscsi_stat_login_attribute \
iscsi_stat_login_##_name = \
__CONFIGFS_EATTR(_name, _mode, \
iscsi_stat_login_show_attr_##_name, \
iscsi_stat_login_store_attr_##_name);
#define ISCSI_STAT_LOGIN_RO(_name) \
static struct iscsi_stat_login_attribute \
iscsi_stat_login_##_name = \
__CONFIGFS_EATTR_RO(_name, \
iscsi_stat_login_show_attr_##_name);
static ssize_t iscsi_stat_login_show_attr_inst(
struct iscsi_wwn_stat_grps *igrps, char *page)
{
struct iscsi_tiqn *tiqn = container_of(igrps,
struct iscsi_tiqn, tiqn_stat_grps);
return snprintf(page, PAGE_SIZE, "%u\n", tiqn->tiqn_index);
}
ISCSI_STAT_LOGIN_RO(inst);
static ssize_t iscsi_stat_login_show_attr_indx(
struct iscsi_wwn_stat_grps *igrps, char *page)
{
return snprintf(page, PAGE_SIZE, "%u\n", ISCSI_NODE_INDEX);
}
ISCSI_STAT_LOGIN_RO(indx);
static ssize_t iscsi_stat_login_show_attr_accepts(
struct iscsi_wwn_stat_grps *igrps, char *page)
{
struct iscsi_tiqn *tiqn = container_of(igrps,
struct iscsi_tiqn, tiqn_stat_grps);
struct iscsi_login_stats *lstat = &tiqn->login_stats;
ssize_t ret;
spin_lock(&lstat->lock);
ret = snprintf(page, PAGE_SIZE, "%u\n", lstat->accepts);
spin_unlock(&lstat->lock);
return ret;
}
ISCSI_STAT_LOGIN_RO(accepts);
static ssize_t iscsi_stat_login_show_attr_other_fails(
struct iscsi_wwn_stat_grps *igrps, char *page)
{
struct iscsi_tiqn *tiqn = container_of(igrps,
struct iscsi_tiqn, tiqn_stat_grps);
struct iscsi_login_stats *lstat = &tiqn->login_stats;
ssize_t ret;
spin_lock(&lstat->lock);
ret = snprintf(page, PAGE_SIZE, "%u\n", lstat->other_fails);
spin_unlock(&lstat->lock);
return ret;
}
ISCSI_STAT_LOGIN_RO(other_fails);
static ssize_t iscsi_stat_login_show_attr_redirects(
struct iscsi_wwn_stat_grps *igrps, char *page)
{
struct iscsi_tiqn *tiqn = container_of(igrps,
struct iscsi_tiqn, tiqn_stat_grps);
struct iscsi_login_stats *lstat = &tiqn->login_stats;
ssize_t ret;
spin_lock(&lstat->lock);
ret = snprintf(page, PAGE_SIZE, "%u\n", lstat->redirects);
spin_unlock(&lstat->lock);
return ret;
}
ISCSI_STAT_LOGIN_RO(redirects);
static ssize_t iscsi_stat_login_show_attr_authorize_fails(
struct iscsi_wwn_stat_grps *igrps, char *page)
{
struct iscsi_tiqn *tiqn = container_of(igrps,
struct iscsi_tiqn, tiqn_stat_grps);
struct iscsi_login_stats *lstat = &tiqn->login_stats;
ssize_t ret;
spin_lock(&lstat->lock);
ret = snprintf(page, PAGE_SIZE, "%u\n", lstat->authorize_fails);
spin_unlock(&lstat->lock);
return ret;
}
ISCSI_STAT_LOGIN_RO(authorize_fails);
static ssize_t iscsi_stat_login_show_attr_authenticate_fails(
struct iscsi_wwn_stat_grps *igrps, char *page)
{
struct iscsi_tiqn *tiqn = container_of(igrps,
struct iscsi_tiqn, tiqn_stat_grps);
struct iscsi_login_stats *lstat = &tiqn->login_stats;
ssize_t ret;
spin_lock(&lstat->lock);
ret = snprintf(page, PAGE_SIZE, "%u\n", lstat->authenticate_fails);
spin_unlock(&lstat->lock);
return ret;
}
ISCSI_STAT_LOGIN_RO(authenticate_fails);
static ssize_t iscsi_stat_login_show_attr_negotiate_fails(
struct iscsi_wwn_stat_grps *igrps, char *page)
{
struct iscsi_tiqn *tiqn = container_of(igrps,
struct iscsi_tiqn, tiqn_stat_grps);
struct iscsi_login_stats *lstat = &tiqn->login_stats;
ssize_t ret;
spin_lock(&lstat->lock);
ret = snprintf(page, PAGE_SIZE, "%u\n", lstat->negotiate_fails);
spin_unlock(&lstat->lock);
return ret;
}
ISCSI_STAT_LOGIN_RO(negotiate_fails);
CONFIGFS_EATTR_OPS(iscsi_stat_login, iscsi_wwn_stat_grps,
iscsi_login_stats_group);
static struct configfs_attribute *iscsi_stat_login_stats_attrs[] = {
&iscsi_stat_login_inst.attr,
&iscsi_stat_login_indx.attr,
&iscsi_stat_login_accepts.attr,
&iscsi_stat_login_other_fails.attr,
&iscsi_stat_login_redirects.attr,
&iscsi_stat_login_authorize_fails.attr,
&iscsi_stat_login_authenticate_fails.attr,
&iscsi_stat_login_negotiate_fails.attr,
NULL,
};
static struct configfs_item_operations iscsi_stat_login_stats_item_ops = {
.show_attribute = iscsi_stat_login_attr_show,
.store_attribute = iscsi_stat_login_attr_store,
};
struct config_item_type iscsi_stat_login_cit = {
.ct_item_ops = &iscsi_stat_login_stats_item_ops,
.ct_attrs = iscsi_stat_login_stats_attrs,
.ct_owner = THIS_MODULE,
};
/*
* Target Logout Stats Table
*/
CONFIGFS_EATTR_STRUCT(iscsi_stat_logout, iscsi_wwn_stat_grps);
#define ISCSI_STAT_LOGOUT(_name, _mode) \
static struct iscsi_stat_logout_attribute \
iscsi_stat_logout_##_name = \
__CONFIGFS_EATTR(_name, _mode, \
iscsi_stat_logout_show_attr_##_name, \
iscsi_stat_logout_store_attr_##_name);
#define ISCSI_STAT_LOGOUT_RO(_name) \
static struct iscsi_stat_logout_attribute \
iscsi_stat_logout_##_name = \
__CONFIGFS_EATTR_RO(_name, \
iscsi_stat_logout_show_attr_##_name);
static ssize_t iscsi_stat_logout_show_attr_inst(
struct iscsi_wwn_stat_grps *igrps, char *page)
{
struct iscsi_tiqn *tiqn = container_of(igrps,
struct iscsi_tiqn, tiqn_stat_grps);
return snprintf(page, PAGE_SIZE, "%u\n", tiqn->tiqn_index);
}
ISCSI_STAT_LOGOUT_RO(inst);
static ssize_t iscsi_stat_logout_show_attr_indx(
struct iscsi_wwn_stat_grps *igrps, char *page)
{
return snprintf(page, PAGE_SIZE, "%u\n", ISCSI_NODE_INDEX);
}
ISCSI_STAT_LOGOUT_RO(indx);
static ssize_t iscsi_stat_logout_show_attr_normal_logouts(
struct iscsi_wwn_stat_grps *igrps, char *page)
{
struct iscsi_tiqn *tiqn = container_of(igrps,
struct iscsi_tiqn, tiqn_stat_grps);
struct iscsi_logout_stats *lstats = &tiqn->logout_stats;
return snprintf(page, PAGE_SIZE, "%u\n", lstats->normal_logouts);
}
ISCSI_STAT_LOGOUT_RO(normal_logouts);
static ssize_t iscsi_stat_logout_show_attr_abnormal_logouts(
struct iscsi_wwn_stat_grps *igrps, char *page)
{
struct iscsi_tiqn *tiqn = container_of(igrps,
struct iscsi_tiqn, tiqn_stat_grps);
struct iscsi_logout_stats *lstats = &tiqn->logout_stats;
return snprintf(page, PAGE_SIZE, "%u\n", lstats->abnormal_logouts);
}
ISCSI_STAT_LOGOUT_RO(abnormal_logouts);
CONFIGFS_EATTR_OPS(iscsi_stat_logout, iscsi_wwn_stat_grps,
iscsi_logout_stats_group);
static struct configfs_attribute *iscsi_stat_logout_stats_attrs[] = {
&iscsi_stat_logout_inst.attr,
&iscsi_stat_logout_indx.attr,
&iscsi_stat_logout_normal_logouts.attr,
&iscsi_stat_logout_abnormal_logouts.attr,
NULL,
};
static struct configfs_item_operations iscsi_stat_logout_stats_item_ops = {
.show_attribute = iscsi_stat_logout_attr_show,
.store_attribute = iscsi_stat_logout_attr_store,
};
struct config_item_type iscsi_stat_logout_cit = {
.ct_item_ops = &iscsi_stat_logout_stats_item_ops,
.ct_attrs = iscsi_stat_logout_stats_attrs,
.ct_owner = THIS_MODULE,
};
/*
* Session Stats Table
*/
CONFIGFS_EATTR_STRUCT(iscsi_stat_sess, iscsi_node_stat_grps);
#define ISCSI_STAT_SESS(_name, _mode) \
static struct iscsi_stat_sess_attribute \
iscsi_stat_sess_##_name = \
__CONFIGFS_EATTR(_name, _mode, \
iscsi_stat_sess_show_attr_##_name, \
iscsi_stat_sess_store_attr_##_name);
#define ISCSI_STAT_SESS_RO(_name) \
static struct iscsi_stat_sess_attribute \
iscsi_stat_sess_##_name = \
__CONFIGFS_EATTR_RO(_name, \
iscsi_stat_sess_show_attr_##_name);
static ssize_t iscsi_stat_sess_show_attr_inst(
struct iscsi_node_stat_grps *igrps, char *page)
{
struct iscsi_node_acl *acl = container_of(igrps,
struct iscsi_node_acl, node_stat_grps);
struct se_wwn *wwn = acl->se_node_acl.se_tpg->se_tpg_wwn;
struct iscsi_tiqn *tiqn = container_of(wwn,
struct iscsi_tiqn, tiqn_wwn);
return snprintf(page, PAGE_SIZE, "%u\n", tiqn->tiqn_index);
}
ISCSI_STAT_SESS_RO(inst);
static ssize_t iscsi_stat_sess_show_attr_node(
struct iscsi_node_stat_grps *igrps, char *page)
{
struct iscsi_node_acl *acl = container_of(igrps,
struct iscsi_node_acl, node_stat_grps);
struct se_node_acl *se_nacl = &acl->se_node_acl;
struct iscsi_session *sess;
struct se_session *se_sess;
ssize_t ret = 0;
spin_lock_bh(&se_nacl->nacl_sess_lock);
se_sess = se_nacl->nacl_sess;
if (se_sess) {
sess = se_sess->fabric_sess_ptr;
if (sess)
ret = snprintf(page, PAGE_SIZE, "%u\n",
sess->sess_ops->SessionType ? 0 : ISCSI_NODE_INDEX);
}
spin_unlock_bh(&se_nacl->nacl_sess_lock);
return ret;
}
ISCSI_STAT_SESS_RO(node);
static ssize_t iscsi_stat_sess_show_attr_indx(
struct iscsi_node_stat_grps *igrps, char *page)
{
struct iscsi_node_acl *acl = container_of(igrps,
struct iscsi_node_acl, node_stat_grps);
struct se_node_acl *se_nacl = &acl->se_node_acl;
struct iscsi_session *sess;
struct se_session *se_sess;
ssize_t ret = 0;
spin_lock_bh(&se_nacl->nacl_sess_lock);
se_sess = se_nacl->nacl_sess;
if (se_sess) {
sess = se_sess->fabric_sess_ptr;
if (sess)
ret = snprintf(page, PAGE_SIZE, "%u\n",
sess->session_index);
}
spin_unlock_bh(&se_nacl->nacl_sess_lock);
return ret;
}
ISCSI_STAT_SESS_RO(indx);
static ssize_t iscsi_stat_sess_show_attr_cmd_pdus(
struct iscsi_node_stat_grps *igrps, char *page)
{
struct iscsi_node_acl *acl = container_of(igrps,
struct iscsi_node_acl, node_stat_grps);
struct se_node_acl *se_nacl = &acl->se_node_acl;
struct iscsi_session *sess;
struct se_session *se_sess;
ssize_t ret = 0;
spin_lock_bh(&se_nacl->nacl_sess_lock);
se_sess = se_nacl->nacl_sess;
if (se_sess) {
sess = se_sess->fabric_sess_ptr;
if (sess)
ret = snprintf(page, PAGE_SIZE, "%lu\n",
atomic_long_read(&sess->cmd_pdus));
}
spin_unlock_bh(&se_nacl->nacl_sess_lock);
return ret;
}
ISCSI_STAT_SESS_RO(cmd_pdus);
static ssize_t iscsi_stat_sess_show_attr_rsp_pdus(
struct iscsi_node_stat_grps *igrps, char *page)
{
struct iscsi_node_acl *acl = container_of(igrps,
struct iscsi_node_acl, node_stat_grps);
struct se_node_acl *se_nacl = &acl->se_node_acl;
struct iscsi_session *sess;
struct se_session *se_sess;
ssize_t ret = 0;
spin_lock_bh(&se_nacl->nacl_sess_lock);
se_sess = se_nacl->nacl_sess;
if (se_sess) {
sess = se_sess->fabric_sess_ptr;
if (sess)
ret = snprintf(page, PAGE_SIZE, "%lu\n",
atomic_long_read(&sess->rsp_pdus));
}
spin_unlock_bh(&se_nacl->nacl_sess_lock);
return ret;
}
ISCSI_STAT_SESS_RO(rsp_pdus);
static ssize_t iscsi_stat_sess_show_attr_txdata_octs(
struct iscsi_node_stat_grps *igrps, char *page)
{
struct iscsi_node_acl *acl = container_of(igrps,
struct iscsi_node_acl, node_stat_grps);
struct se_node_acl *se_nacl = &acl->se_node_acl;
struct iscsi_session *sess;
struct se_session *se_sess;
ssize_t ret = 0;
spin_lock_bh(&se_nacl->nacl_sess_lock);
se_sess = se_nacl->nacl_sess;
if (se_sess) {
sess = se_sess->fabric_sess_ptr;
if (sess)
ret = snprintf(page, PAGE_SIZE, "%lu\n",
atomic_long_read(&sess->tx_data_octets));
}
spin_unlock_bh(&se_nacl->nacl_sess_lock);
return ret;
}
ISCSI_STAT_SESS_RO(txdata_octs);
static ssize_t iscsi_stat_sess_show_attr_rxdata_octs(
struct iscsi_node_stat_grps *igrps, char *page)
{
struct iscsi_node_acl *acl = container_of(igrps,
struct iscsi_node_acl, node_stat_grps);
struct se_node_acl *se_nacl = &acl->se_node_acl;
struct iscsi_session *sess;
struct se_session *se_sess;
ssize_t ret = 0;
spin_lock_bh(&se_nacl->nacl_sess_lock);
se_sess = se_nacl->nacl_sess;
if (se_sess) {
sess = se_sess->fabric_sess_ptr;
if (sess)
ret = snprintf(page, PAGE_SIZE, "%lu\n",
atomic_long_read(&sess->rx_data_octets));
}
spin_unlock_bh(&se_nacl->nacl_sess_lock);
return ret;
}
ISCSI_STAT_SESS_RO(rxdata_octs);
static ssize_t iscsi_stat_sess_show_attr_conn_digest_errors(
struct iscsi_node_stat_grps *igrps, char *page)
{
struct iscsi_node_acl *acl = container_of(igrps,
struct iscsi_node_acl, node_stat_grps);
struct se_node_acl *se_nacl = &acl->se_node_acl;
struct iscsi_session *sess;
struct se_session *se_sess;
ssize_t ret = 0;
spin_lock_bh(&se_nacl->nacl_sess_lock);
se_sess = se_nacl->nacl_sess;
if (se_sess) {
sess = se_sess->fabric_sess_ptr;
if (sess)
ret = snprintf(page, PAGE_SIZE, "%lu\n",
atomic_long_read(&sess->conn_digest_errors));
}
spin_unlock_bh(&se_nacl->nacl_sess_lock);
return ret;
}
ISCSI_STAT_SESS_RO(conn_digest_errors);
static ssize_t iscsi_stat_sess_show_attr_conn_timeout_errors(
struct iscsi_node_stat_grps *igrps, char *page)
{
struct iscsi_node_acl *acl = container_of(igrps,
struct iscsi_node_acl, node_stat_grps);
struct se_node_acl *se_nacl = &acl->se_node_acl;
struct iscsi_session *sess;
struct se_session *se_sess;
ssize_t ret = 0;
spin_lock_bh(&se_nacl->nacl_sess_lock);
se_sess = se_nacl->nacl_sess;
if (se_sess) {
sess = se_sess->fabric_sess_ptr;
if (sess)
ret = snprintf(page, PAGE_SIZE, "%lu\n",
atomic_long_read(&sess->conn_timeout_errors));
}
spin_unlock_bh(&se_nacl->nacl_sess_lock);
return ret;
}
ISCSI_STAT_SESS_RO(conn_timeout_errors);
CONFIGFS_EATTR_OPS(iscsi_stat_sess, iscsi_node_stat_grps,
iscsi_sess_stats_group);
static struct configfs_attribute *iscsi_stat_sess_stats_attrs[] = {
&iscsi_stat_sess_inst.attr,
&iscsi_stat_sess_node.attr,
&iscsi_stat_sess_indx.attr,
&iscsi_stat_sess_cmd_pdus.attr,
&iscsi_stat_sess_rsp_pdus.attr,
&iscsi_stat_sess_txdata_octs.attr,
&iscsi_stat_sess_rxdata_octs.attr,
&iscsi_stat_sess_conn_digest_errors.attr,
&iscsi_stat_sess_conn_timeout_errors.attr,
NULL,
};
static struct configfs_item_operations iscsi_stat_sess_stats_item_ops = {
.show_attribute = iscsi_stat_sess_attr_show,
.store_attribute = iscsi_stat_sess_attr_store,
};
struct config_item_type iscsi_stat_sess_cit = {
.ct_item_ops = &iscsi_stat_sess_stats_item_ops,
.ct_attrs = iscsi_stat_sess_stats_attrs,
.ct_owner = THIS_MODULE,
};