![Bhumika Goyal](/assets/img/avatar_default.png)
Make these structures const as they are either passed to the functions having the argument as const or stored as a reference in the "ci_type" const field of a config_item structure. Done using Coccinelle. Signed-off-by: Bhumika Goyal <bhumirks@gmail.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
808 lines
23 KiB
C
808 lines
23 KiB
C
/*******************************************************************************
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* Modern ConfigFS group context specific iSCSI statistics based on original
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* iscsi_target_mib.c code
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*
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* Copyright (c) 2011-2013 Datera, Inc.
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*
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* Author: 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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#include <linux/configfs.h>
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#include <linux/export.h>
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#include <scsi/iscsi_proto.h>
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#include <target/target_core_base.h>
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#include <target/iscsi/iscsi_target_core.h>
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#include "iscsi_target_parameters.h"
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#include "iscsi_target_device.h"
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#include "iscsi_target_tpg.h"
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#include "iscsi_target_util.h"
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#include <target/iscsi/iscsi_target_stat.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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/* Instance Attributes Table */
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#define ISCSI_INST_NUM_NODES 1
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#define ISCSI_INST_DESCR "Storage Engine Target"
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#define ISCSI_INST_LAST_FAILURE_TYPE 0
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#define ISCSI_DISCONTINUITY_TIME 0
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#define ISCSI_NODE_INDEX 1
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#define ISPRINT(a) ((a >= ' ') && (a <= '~'))
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/****************************************************************************
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* iSCSI MIB Tables
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****************************************************************************/
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/*
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* Instance Attributes Table
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*/
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static struct iscsi_tiqn *iscsi_instance_tiqn(struct config_item *item)
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{
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struct iscsi_wwn_stat_grps *igrps = container_of(to_config_group(item),
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struct iscsi_wwn_stat_grps, iscsi_instance_group);
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return container_of(igrps, struct iscsi_tiqn, tiqn_stat_grps);
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}
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static ssize_t iscsi_stat_instance_inst_show(struct config_item *item,
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char *page)
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{
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return snprintf(page, PAGE_SIZE, "%u\n",
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iscsi_instance_tiqn(item)->tiqn_index);
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}
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static ssize_t iscsi_stat_instance_min_ver_show(struct config_item *item,
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char *page)
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{
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return snprintf(page, PAGE_SIZE, "%u\n", ISCSI_DRAFT20_VERSION);
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}
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static ssize_t iscsi_stat_instance_max_ver_show(struct config_item *item,
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char *page)
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{
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return snprintf(page, PAGE_SIZE, "%u\n", ISCSI_DRAFT20_VERSION);
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}
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static ssize_t iscsi_stat_instance_portals_show(struct config_item *item,
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char *page)
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{
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return snprintf(page, PAGE_SIZE, "%u\n",
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iscsi_instance_tiqn(item)->tiqn_num_tpg_nps);
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}
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static ssize_t iscsi_stat_instance_nodes_show(struct config_item *item,
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char *page)
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{
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return snprintf(page, PAGE_SIZE, "%u\n", ISCSI_INST_NUM_NODES);
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}
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static ssize_t iscsi_stat_instance_sessions_show(struct config_item *item,
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char *page)
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{
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return snprintf(page, PAGE_SIZE, "%u\n",
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iscsi_instance_tiqn(item)->tiqn_nsessions);
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}
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static ssize_t iscsi_stat_instance_fail_sess_show(struct config_item *item,
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char *page)
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{
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struct iscsi_tiqn *tiqn = iscsi_instance_tiqn(item);
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struct iscsi_sess_err_stats *sess_err = &tiqn->sess_err_stats;
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u32 sess_err_count;
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spin_lock_bh(&sess_err->lock);
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sess_err_count = (sess_err->digest_errors +
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sess_err->cxn_timeout_errors +
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sess_err->pdu_format_errors);
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spin_unlock_bh(&sess_err->lock);
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return snprintf(page, PAGE_SIZE, "%u\n", sess_err_count);
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}
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static ssize_t iscsi_stat_instance_fail_type_show(struct config_item *item,
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char *page)
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{
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struct iscsi_tiqn *tiqn = iscsi_instance_tiqn(item);
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struct iscsi_sess_err_stats *sess_err = &tiqn->sess_err_stats;
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return snprintf(page, PAGE_SIZE, "%u\n",
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sess_err->last_sess_failure_type);
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}
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static ssize_t iscsi_stat_instance_fail_rem_name_show(struct config_item *item,
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char *page)
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{
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struct iscsi_tiqn *tiqn = iscsi_instance_tiqn(item);
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struct iscsi_sess_err_stats *sess_err = &tiqn->sess_err_stats;
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return snprintf(page, PAGE_SIZE, "%s\n",
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sess_err->last_sess_fail_rem_name[0] ?
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sess_err->last_sess_fail_rem_name : NONE);
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}
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static ssize_t iscsi_stat_instance_disc_time_show(struct config_item *item,
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char *page)
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{
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return snprintf(page, PAGE_SIZE, "%u\n", ISCSI_DISCONTINUITY_TIME);
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}
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static ssize_t iscsi_stat_instance_description_show(struct config_item *item,
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char *page)
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{
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return snprintf(page, PAGE_SIZE, "%s\n", ISCSI_INST_DESCR);
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}
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static ssize_t iscsi_stat_instance_vendor_show(struct config_item *item,
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char *page)
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{
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return snprintf(page, PAGE_SIZE, "Datera, Inc. iSCSI-Target\n");
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}
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static ssize_t iscsi_stat_instance_version_show(struct config_item *item,
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char *page)
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{
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return snprintf(page, PAGE_SIZE, "%s\n", ISCSIT_VERSION);
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}
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CONFIGFS_ATTR_RO(iscsi_stat_instance_, inst);
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CONFIGFS_ATTR_RO(iscsi_stat_instance_, min_ver);
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CONFIGFS_ATTR_RO(iscsi_stat_instance_, max_ver);
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CONFIGFS_ATTR_RO(iscsi_stat_instance_, portals);
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CONFIGFS_ATTR_RO(iscsi_stat_instance_, nodes);
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CONFIGFS_ATTR_RO(iscsi_stat_instance_, sessions);
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CONFIGFS_ATTR_RO(iscsi_stat_instance_, fail_sess);
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CONFIGFS_ATTR_RO(iscsi_stat_instance_, fail_type);
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CONFIGFS_ATTR_RO(iscsi_stat_instance_, fail_rem_name);
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CONFIGFS_ATTR_RO(iscsi_stat_instance_, disc_time);
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CONFIGFS_ATTR_RO(iscsi_stat_instance_, description);
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CONFIGFS_ATTR_RO(iscsi_stat_instance_, vendor);
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CONFIGFS_ATTR_RO(iscsi_stat_instance_, version);
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static struct configfs_attribute *iscsi_stat_instance_attrs[] = {
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&iscsi_stat_instance_attr_inst,
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&iscsi_stat_instance_attr_min_ver,
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&iscsi_stat_instance_attr_max_ver,
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&iscsi_stat_instance_attr_portals,
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&iscsi_stat_instance_attr_nodes,
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&iscsi_stat_instance_attr_sessions,
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&iscsi_stat_instance_attr_fail_sess,
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&iscsi_stat_instance_attr_fail_type,
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&iscsi_stat_instance_attr_fail_rem_name,
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&iscsi_stat_instance_attr_disc_time,
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&iscsi_stat_instance_attr_description,
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&iscsi_stat_instance_attr_vendor,
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&iscsi_stat_instance_attr_version,
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NULL,
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};
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const struct config_item_type iscsi_stat_instance_cit = {
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.ct_attrs = iscsi_stat_instance_attrs,
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.ct_owner = THIS_MODULE,
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};
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/*
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* Instance Session Failure Stats Table
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*/
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static struct iscsi_tiqn *iscsi_sess_err_tiqn(struct config_item *item)
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{
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struct iscsi_wwn_stat_grps *igrps = container_of(to_config_group(item),
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struct iscsi_wwn_stat_grps, iscsi_sess_err_group);
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return container_of(igrps, struct iscsi_tiqn, tiqn_stat_grps);
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}
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static ssize_t iscsi_stat_sess_err_inst_show(struct config_item *item,
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char *page)
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{
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return snprintf(page, PAGE_SIZE, "%u\n",
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iscsi_sess_err_tiqn(item)->tiqn_index);
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}
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static ssize_t iscsi_stat_sess_err_digest_errors_show(struct config_item *item,
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char *page)
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{
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struct iscsi_tiqn *tiqn = iscsi_sess_err_tiqn(item);
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struct iscsi_sess_err_stats *sess_err = &tiqn->sess_err_stats;
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return snprintf(page, PAGE_SIZE, "%u\n", sess_err->digest_errors);
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}
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static ssize_t iscsi_stat_sess_err_cxn_errors_show(struct config_item *item,
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char *page)
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{
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struct iscsi_tiqn *tiqn = iscsi_sess_err_tiqn(item);
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struct iscsi_sess_err_stats *sess_err = &tiqn->sess_err_stats;
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return snprintf(page, PAGE_SIZE, "%u\n", sess_err->cxn_timeout_errors);
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}
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static ssize_t iscsi_stat_sess_err_format_errors_show(struct config_item *item,
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char *page)
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{
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struct iscsi_tiqn *tiqn = iscsi_sess_err_tiqn(item);
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struct iscsi_sess_err_stats *sess_err = &tiqn->sess_err_stats;
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return snprintf(page, PAGE_SIZE, "%u\n", sess_err->pdu_format_errors);
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}
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CONFIGFS_ATTR_RO(iscsi_stat_sess_err_, inst);
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CONFIGFS_ATTR_RO(iscsi_stat_sess_err_, digest_errors);
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CONFIGFS_ATTR_RO(iscsi_stat_sess_err_, cxn_errors);
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CONFIGFS_ATTR_RO(iscsi_stat_sess_err_, format_errors);
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static struct configfs_attribute *iscsi_stat_sess_err_attrs[] = {
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&iscsi_stat_sess_err_attr_inst,
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&iscsi_stat_sess_err_attr_digest_errors,
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&iscsi_stat_sess_err_attr_cxn_errors,
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&iscsi_stat_sess_err_attr_format_errors,
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NULL,
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};
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const struct config_item_type iscsi_stat_sess_err_cit = {
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.ct_attrs = iscsi_stat_sess_err_attrs,
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.ct_owner = THIS_MODULE,
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};
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/*
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* Target Attributes Table
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*/
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static struct iscsi_tiqn *iscsi_tgt_attr_tiqn(struct config_item *item)
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{
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struct iscsi_wwn_stat_grps *igrps = container_of(to_config_group(item),
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struct iscsi_wwn_stat_grps, iscsi_tgt_attr_group);
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return container_of(igrps, struct iscsi_tiqn, tiqn_stat_grps);
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}
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static ssize_t iscsi_stat_tgt_attr_inst_show(struct config_item *item,
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char *page)
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{
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return snprintf(page, PAGE_SIZE, "%u\n",
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iscsi_tgt_attr_tiqn(item)->tiqn_index);
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}
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static ssize_t iscsi_stat_tgt_attr_indx_show(struct config_item *item,
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char *page)
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{
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return snprintf(page, PAGE_SIZE, "%u\n", ISCSI_NODE_INDEX);
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}
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static ssize_t iscsi_stat_tgt_attr_login_fails_show(struct config_item *item,
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char *page)
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{
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struct iscsi_tiqn *tiqn = iscsi_tgt_attr_tiqn(item);
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struct iscsi_login_stats *lstat = &tiqn->login_stats;
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u32 fail_count;
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spin_lock(&lstat->lock);
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fail_count = (lstat->redirects + lstat->authorize_fails +
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lstat->authenticate_fails + lstat->negotiate_fails +
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lstat->other_fails);
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spin_unlock(&lstat->lock);
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return snprintf(page, PAGE_SIZE, "%u\n", fail_count);
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}
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static ssize_t iscsi_stat_tgt_attr_last_fail_time_show(struct config_item *item,
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char *page)
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{
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struct iscsi_tiqn *tiqn = iscsi_tgt_attr_tiqn(item);
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struct iscsi_login_stats *lstat = &tiqn->login_stats;
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u32 last_fail_time;
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spin_lock(&lstat->lock);
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last_fail_time = lstat->last_fail_time ?
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(u32)(((u32)lstat->last_fail_time -
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INITIAL_JIFFIES) * 100 / HZ) : 0;
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spin_unlock(&lstat->lock);
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return snprintf(page, PAGE_SIZE, "%u\n", last_fail_time);
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}
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static ssize_t iscsi_stat_tgt_attr_last_fail_type_show(struct config_item *item,
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char *page)
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{
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struct iscsi_tiqn *tiqn = iscsi_tgt_attr_tiqn(item);
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struct iscsi_login_stats *lstat = &tiqn->login_stats;
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u32 last_fail_type;
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spin_lock(&lstat->lock);
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last_fail_type = lstat->last_fail_type;
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spin_unlock(&lstat->lock);
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return snprintf(page, PAGE_SIZE, "%u\n", last_fail_type);
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}
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static ssize_t iscsi_stat_tgt_attr_fail_intr_name_show(struct config_item *item,
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char *page)
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{
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struct iscsi_tiqn *tiqn = iscsi_tgt_attr_tiqn(item);
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struct iscsi_login_stats *lstat = &tiqn->login_stats;
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unsigned char buf[224];
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spin_lock(&lstat->lock);
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snprintf(buf, 224, "%s", lstat->last_intr_fail_name[0] ?
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lstat->last_intr_fail_name : NONE);
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spin_unlock(&lstat->lock);
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return snprintf(page, PAGE_SIZE, "%s\n", buf);
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}
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static ssize_t iscsi_stat_tgt_attr_fail_intr_addr_type_show(struct config_item *item,
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char *page)
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{
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struct iscsi_tiqn *tiqn = iscsi_tgt_attr_tiqn(item);
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struct iscsi_login_stats *lstat = &tiqn->login_stats;
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int ret;
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spin_lock(&lstat->lock);
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if (lstat->last_intr_fail_ip_family == AF_INET6)
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ret = snprintf(page, PAGE_SIZE, "ipv6\n");
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else
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ret = snprintf(page, PAGE_SIZE, "ipv4\n");
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spin_unlock(&lstat->lock);
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return ret;
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}
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static ssize_t iscsi_stat_tgt_attr_fail_intr_addr_show(struct config_item *item,
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char *page)
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{
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struct iscsi_tiqn *tiqn = iscsi_tgt_attr_tiqn(item);
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struct iscsi_login_stats *lstat = &tiqn->login_stats;
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int ret;
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spin_lock(&lstat->lock);
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ret = snprintf(page, PAGE_SIZE, "%pISc\n", &lstat->last_intr_fail_sockaddr);
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spin_unlock(&lstat->lock);
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return ret;
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}
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CONFIGFS_ATTR_RO(iscsi_stat_tgt_attr_, inst);
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CONFIGFS_ATTR_RO(iscsi_stat_tgt_attr_, indx);
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CONFIGFS_ATTR_RO(iscsi_stat_tgt_attr_, login_fails);
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CONFIGFS_ATTR_RO(iscsi_stat_tgt_attr_, last_fail_time);
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CONFIGFS_ATTR_RO(iscsi_stat_tgt_attr_, last_fail_type);
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CONFIGFS_ATTR_RO(iscsi_stat_tgt_attr_, fail_intr_name);
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CONFIGFS_ATTR_RO(iscsi_stat_tgt_attr_, fail_intr_addr_type);
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CONFIGFS_ATTR_RO(iscsi_stat_tgt_attr_, fail_intr_addr);
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static struct configfs_attribute *iscsi_stat_tgt_attr_attrs[] = {
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&iscsi_stat_tgt_attr_attr_inst,
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&iscsi_stat_tgt_attr_attr_indx,
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&iscsi_stat_tgt_attr_attr_login_fails,
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&iscsi_stat_tgt_attr_attr_last_fail_time,
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&iscsi_stat_tgt_attr_attr_last_fail_type,
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&iscsi_stat_tgt_attr_attr_fail_intr_name,
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&iscsi_stat_tgt_attr_attr_fail_intr_addr_type,
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&iscsi_stat_tgt_attr_attr_fail_intr_addr,
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NULL,
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};
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const struct config_item_type iscsi_stat_tgt_attr_cit = {
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.ct_attrs = iscsi_stat_tgt_attr_attrs,
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.ct_owner = THIS_MODULE,
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};
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/*
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* Target Login Stats Table
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*/
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static struct iscsi_tiqn *iscsi_login_stat_tiqn(struct config_item *item)
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{
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struct iscsi_wwn_stat_grps *igrps = container_of(to_config_group(item),
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struct iscsi_wwn_stat_grps, iscsi_login_stats_group);
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return container_of(igrps, struct iscsi_tiqn, tiqn_stat_grps);
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}
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static ssize_t iscsi_stat_login_inst_show(struct config_item *item, char *page)
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{
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return snprintf(page, PAGE_SIZE, "%u\n",
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iscsi_login_stat_tiqn(item)->tiqn_index);
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}
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static ssize_t iscsi_stat_login_indx_show(struct config_item *item,
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char *page)
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{
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return snprintf(page, PAGE_SIZE, "%u\n", ISCSI_NODE_INDEX);
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}
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static ssize_t iscsi_stat_login_accepts_show(struct config_item *item,
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char *page)
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{
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struct iscsi_tiqn *tiqn = iscsi_login_stat_tiqn(item);
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struct iscsi_login_stats *lstat = &tiqn->login_stats;
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ssize_t ret;
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spin_lock(&lstat->lock);
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ret = snprintf(page, PAGE_SIZE, "%u\n", lstat->accepts);
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spin_unlock(&lstat->lock);
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return ret;
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}
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static ssize_t iscsi_stat_login_other_fails_show(struct config_item *item,
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|
char *page)
|
|
{
|
|
struct iscsi_tiqn *tiqn = iscsi_login_stat_tiqn(item);
|
|
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;
|
|
}
|
|
|
|
static ssize_t iscsi_stat_login_redirects_show(struct config_item *item,
|
|
char *page)
|
|
{
|
|
struct iscsi_tiqn *tiqn = iscsi_login_stat_tiqn(item);
|
|
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;
|
|
}
|
|
|
|
static ssize_t iscsi_stat_login_authorize_fails_show(struct config_item *item,
|
|
char *page)
|
|
{
|
|
struct iscsi_tiqn *tiqn = iscsi_login_stat_tiqn(item);
|
|
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;
|
|
}
|
|
|
|
static ssize_t iscsi_stat_login_authenticate_fails_show(
|
|
struct config_item *item, char *page)
|
|
{
|
|
struct iscsi_tiqn *tiqn = iscsi_login_stat_tiqn(item);
|
|
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;
|
|
}
|
|
|
|
static ssize_t iscsi_stat_login_negotiate_fails_show(struct config_item *item,
|
|
char *page)
|
|
{
|
|
struct iscsi_tiqn *tiqn = iscsi_login_stat_tiqn(item);
|
|
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;
|
|
}
|
|
|
|
CONFIGFS_ATTR_RO(iscsi_stat_login_, inst);
|
|
CONFIGFS_ATTR_RO(iscsi_stat_login_, indx);
|
|
CONFIGFS_ATTR_RO(iscsi_stat_login_, accepts);
|
|
CONFIGFS_ATTR_RO(iscsi_stat_login_, other_fails);
|
|
CONFIGFS_ATTR_RO(iscsi_stat_login_, redirects);
|
|
CONFIGFS_ATTR_RO(iscsi_stat_login_, authorize_fails);
|
|
CONFIGFS_ATTR_RO(iscsi_stat_login_, authenticate_fails);
|
|
CONFIGFS_ATTR_RO(iscsi_stat_login_, negotiate_fails);
|
|
|
|
static struct configfs_attribute *iscsi_stat_login_stats_attrs[] = {
|
|
&iscsi_stat_login_attr_inst,
|
|
&iscsi_stat_login_attr_indx,
|
|
&iscsi_stat_login_attr_accepts,
|
|
&iscsi_stat_login_attr_other_fails,
|
|
&iscsi_stat_login_attr_redirects,
|
|
&iscsi_stat_login_attr_authorize_fails,
|
|
&iscsi_stat_login_attr_authenticate_fails,
|
|
&iscsi_stat_login_attr_negotiate_fails,
|
|
NULL,
|
|
};
|
|
|
|
const struct config_item_type iscsi_stat_login_cit = {
|
|
.ct_attrs = iscsi_stat_login_stats_attrs,
|
|
.ct_owner = THIS_MODULE,
|
|
};
|
|
|
|
/*
|
|
* Target Logout Stats Table
|
|
*/
|
|
static struct iscsi_tiqn *iscsi_logout_stat_tiqn(struct config_item *item)
|
|
{
|
|
struct iscsi_wwn_stat_grps *igrps = container_of(to_config_group(item),
|
|
struct iscsi_wwn_stat_grps, iscsi_logout_stats_group);
|
|
return container_of(igrps, struct iscsi_tiqn, tiqn_stat_grps);
|
|
}
|
|
|
|
static ssize_t iscsi_stat_logout_inst_show(struct config_item *item, char *page)
|
|
{
|
|
return snprintf(page, PAGE_SIZE, "%u\n",
|
|
iscsi_logout_stat_tiqn(item)->tiqn_index);
|
|
}
|
|
|
|
static ssize_t iscsi_stat_logout_indx_show(struct config_item *item, char *page)
|
|
{
|
|
return snprintf(page, PAGE_SIZE, "%u\n", ISCSI_NODE_INDEX);
|
|
}
|
|
|
|
static ssize_t iscsi_stat_logout_normal_logouts_show(struct config_item *item,
|
|
char *page)
|
|
{
|
|
struct iscsi_tiqn *tiqn = iscsi_logout_stat_tiqn(item);
|
|
struct iscsi_logout_stats *lstats = &tiqn->logout_stats;
|
|
|
|
return snprintf(page, PAGE_SIZE, "%u\n", lstats->normal_logouts);
|
|
}
|
|
|
|
static ssize_t iscsi_stat_logout_abnormal_logouts_show(struct config_item *item,
|
|
char *page)
|
|
{
|
|
struct iscsi_tiqn *tiqn = iscsi_logout_stat_tiqn(item);
|
|
struct iscsi_logout_stats *lstats = &tiqn->logout_stats;
|
|
|
|
return snprintf(page, PAGE_SIZE, "%u\n", lstats->abnormal_logouts);
|
|
}
|
|
|
|
CONFIGFS_ATTR_RO(iscsi_stat_logout_, inst);
|
|
CONFIGFS_ATTR_RO(iscsi_stat_logout_, indx);
|
|
CONFIGFS_ATTR_RO(iscsi_stat_logout_, normal_logouts);
|
|
CONFIGFS_ATTR_RO(iscsi_stat_logout_, abnormal_logouts);
|
|
|
|
static struct configfs_attribute *iscsi_stat_logout_stats_attrs[] = {
|
|
&iscsi_stat_logout_attr_inst,
|
|
&iscsi_stat_logout_attr_indx,
|
|
&iscsi_stat_logout_attr_normal_logouts,
|
|
&iscsi_stat_logout_attr_abnormal_logouts,
|
|
NULL,
|
|
};
|
|
|
|
const struct config_item_type iscsi_stat_logout_cit = {
|
|
.ct_attrs = iscsi_stat_logout_stats_attrs,
|
|
.ct_owner = THIS_MODULE,
|
|
};
|
|
|
|
/*
|
|
* Session Stats Table
|
|
*/
|
|
static struct iscsi_node_acl *iscsi_stat_nacl(struct config_item *item)
|
|
{
|
|
struct iscsi_node_stat_grps *igrps = container_of(to_config_group(item),
|
|
struct iscsi_node_stat_grps, iscsi_sess_stats_group);
|
|
return container_of(igrps, struct iscsi_node_acl, node_stat_grps);
|
|
}
|
|
|
|
static ssize_t iscsi_stat_sess_inst_show(struct config_item *item, char *page)
|
|
{
|
|
struct iscsi_node_acl *acl = iscsi_stat_nacl(item);
|
|
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);
|
|
}
|
|
|
|
static ssize_t iscsi_stat_sess_node_show(struct config_item *item, char *page)
|
|
{
|
|
struct iscsi_node_acl *acl = iscsi_stat_nacl(item);
|
|
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;
|
|
}
|
|
|
|
static ssize_t iscsi_stat_sess_indx_show(struct config_item *item, char *page)
|
|
{
|
|
struct iscsi_node_acl *acl = iscsi_stat_nacl(item);
|
|
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;
|
|
}
|
|
|
|
static ssize_t iscsi_stat_sess_cmd_pdus_show(struct config_item *item,
|
|
char *page)
|
|
{
|
|
struct iscsi_node_acl *acl = iscsi_stat_nacl(item);
|
|
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;
|
|
}
|
|
|
|
static ssize_t iscsi_stat_sess_rsp_pdus_show(struct config_item *item,
|
|
char *page)
|
|
{
|
|
struct iscsi_node_acl *acl = iscsi_stat_nacl(item);
|
|
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;
|
|
}
|
|
|
|
static ssize_t iscsi_stat_sess_txdata_octs_show(struct config_item *item,
|
|
char *page)
|
|
{
|
|
struct iscsi_node_acl *acl = iscsi_stat_nacl(item);
|
|
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;
|
|
}
|
|
|
|
static ssize_t iscsi_stat_sess_rxdata_octs_show(struct config_item *item,
|
|
char *page)
|
|
{
|
|
struct iscsi_node_acl *acl = iscsi_stat_nacl(item);
|
|
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;
|
|
}
|
|
|
|
static ssize_t iscsi_stat_sess_conn_digest_errors_show(struct config_item *item,
|
|
char *page)
|
|
{
|
|
struct iscsi_node_acl *acl = iscsi_stat_nacl(item);
|
|
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;
|
|
}
|
|
|
|
static ssize_t iscsi_stat_sess_conn_timeout_errors_show(
|
|
struct config_item *item, char *page)
|
|
{
|
|
struct iscsi_node_acl *acl = iscsi_stat_nacl(item);
|
|
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;
|
|
}
|
|
|
|
CONFIGFS_ATTR_RO(iscsi_stat_sess_, inst);
|
|
CONFIGFS_ATTR_RO(iscsi_stat_sess_, node);
|
|
CONFIGFS_ATTR_RO(iscsi_stat_sess_, indx);
|
|
CONFIGFS_ATTR_RO(iscsi_stat_sess_, cmd_pdus);
|
|
CONFIGFS_ATTR_RO(iscsi_stat_sess_, rsp_pdus);
|
|
CONFIGFS_ATTR_RO(iscsi_stat_sess_, txdata_octs);
|
|
CONFIGFS_ATTR_RO(iscsi_stat_sess_, rxdata_octs);
|
|
CONFIGFS_ATTR_RO(iscsi_stat_sess_, conn_digest_errors);
|
|
CONFIGFS_ATTR_RO(iscsi_stat_sess_, conn_timeout_errors);
|
|
|
|
static struct configfs_attribute *iscsi_stat_sess_stats_attrs[] = {
|
|
&iscsi_stat_sess_attr_inst,
|
|
&iscsi_stat_sess_attr_node,
|
|
&iscsi_stat_sess_attr_indx,
|
|
&iscsi_stat_sess_attr_cmd_pdus,
|
|
&iscsi_stat_sess_attr_rsp_pdus,
|
|
&iscsi_stat_sess_attr_txdata_octs,
|
|
&iscsi_stat_sess_attr_rxdata_octs,
|
|
&iscsi_stat_sess_attr_conn_digest_errors,
|
|
&iscsi_stat_sess_attr_conn_timeout_errors,
|
|
NULL,
|
|
};
|
|
|
|
const struct config_item_type iscsi_stat_sess_cit = {
|
|
.ct_attrs = iscsi_stat_sess_stats_attrs,
|
|
.ct_owner = THIS_MODULE,
|
|
};
|