Release 4.7 drivers/target/iscsi/iscsi_target_stat.c

Directory: drivers/target/iscsi
/*******************************************************************************
 * 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/iscsi/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 <target/iscsi/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
 */


static struct iscsi_tiqn *iscsi_instance_tiqn(struct config_item *item)
{
	struct iscsi_wwn_stat_grps *igrps = container_of(to_config_group(item),
			struct iscsi_wwn_stat_grps, iscsi_instance_group);
	return container_of(igrps, struct iscsi_tiqn, tiqn_stat_grps);
}

Contributors
Person Tokens Prop Commits CommitProp
christoph hellwig christoph hellwig 24 57.14% 1 50.00%
nicholas bellinger nicholas bellinger 18 42.86% 1 50.00%
Total 42 100.00% 2 100.00%



static ssize_t iscsi_stat_instance_inst_show(struct config_item *item,
		char *page)
{
	return snprintf(page, PAGE_SIZE, "%u\n",
			iscsi_instance_tiqn(item)->tiqn_index);
}

Contributors
Person Tokens Prop Commits CommitProp
christoph hellwig christoph hellwig 18 56.25% 1 50.00%
nicholas bellinger nicholas bellinger 14 43.75% 1 50.00%
Total 32 100.00% 2 100.00%



static ssize_t iscsi_stat_instance_min_ver_show(struct config_item *item,
		char *page)
{
	return snprintf(page, PAGE_SIZE, "%u\n", ISCSI_DRAFT20_VERSION);
}

Contributors
Person Tokens Prop Commits CommitProp
nicholas bellinger nicholas bellinger 24 88.89% 1 50.00%
christoph hellwig christoph hellwig 3 11.11% 1 50.00%
Total 27 100.00% 2 100.00%



static ssize_t iscsi_stat_instance_max_ver_show(struct config_item *item,
		char *page)
{
	return snprintf(page, PAGE_SIZE, "%u\n", ISCSI_DRAFT20_VERSION);
}

Contributors
Person Tokens Prop Commits CommitProp
nicholas bellinger nicholas bellinger 24 88.89% 1 50.00%
christoph hellwig christoph hellwig 3 11.11% 1 50.00%
Total 27 100.00% 2 100.00%



static ssize_t iscsi_stat_instance_portals_show(struct config_item *item,
		char *page)
{
	return snprintf(page, PAGE_SIZE, "%u\n",
			iscsi_instance_tiqn(item)->tiqn_num_tpg_nps);
}

Contributors
Person Tokens Prop Commits CommitProp
nicholas bellinger nicholas bellinger 25 78.12% 1 50.00%
christoph hellwig christoph hellwig 7 21.88% 1 50.00%
Total 32 100.00% 2 100.00%



static ssize_t iscsi_stat_instance_nodes_show(struct config_item *item,
		char *page)
{
	return snprintf(page, PAGE_SIZE, "%u\n", ISCSI_INST_NUM_NODES);
}

Contributors
Person Tokens Prop Commits CommitProp
nicholas bellinger nicholas bellinger 24 88.89% 1 50.00%
christoph hellwig christoph hellwig 3 11.11% 1 50.00%
Total 27 100.00% 2 100.00%



static ssize_t iscsi_stat_instance_sessions_show(struct config_item *item,
		char *page)
{
	return snprintf(page, PAGE_SIZE, "%u\n",
		iscsi_instance_tiqn(item)->tiqn_nsessions);
}

Contributors
Person Tokens Prop Commits CommitProp
nicholas bellinger nicholas bellinger 25 78.12% 1 50.00%
christoph hellwig christoph hellwig 7 21.88% 1 50.00%
Total 32 100.00% 2 100.00%



static ssize_t iscsi_stat_instance_fail_sess_show(struct config_item *item,
		char *page)
{
	struct iscsi_tiqn *tiqn = iscsi_instance_tiqn(item);
	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);
}

Contributors
Person Tokens Prop Commits CommitProp
nicholas bellinger nicholas bellinger 77 93.90% 1 50.00%
christoph hellwig christoph hellwig 5 6.10% 1 50.00%
Total 82 100.00% 2 100.00%



static ssize_t iscsi_stat_instance_fail_type_show(struct config_item *item,
		char *page)
{
	struct iscsi_tiqn *tiqn = iscsi_instance_tiqn(item);
	struct iscsi_sess_err_stats *sess_err = &tiqn->sess_err_stats;

	return snprintf(page, PAGE_SIZE, "%u\n",
			sess_err->last_sess_failure_type);
}

Contributors
Person Tokens Prop Commits CommitProp
nicholas bellinger nicholas bellinger 44 89.80% 1 50.00%
christoph hellwig christoph hellwig 5 10.20% 1 50.00%
Total 49 100.00% 2 100.00%



static ssize_t iscsi_stat_instance_fail_rem_name_show(struct config_item *item,
		char *page)
{
	struct iscsi_tiqn *tiqn = iscsi_instance_tiqn(item);
	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);
}

Contributors
Person Tokens Prop Commits CommitProp
nicholas bellinger nicholas bellinger 53 91.38% 1 50.00%
christoph hellwig christoph hellwig 5 8.62% 1 50.00%
Total 58 100.00% 2 100.00%



static ssize_t iscsi_stat_instance_disc_time_show(struct config_item *item,
		char *page)
{
	return snprintf(page, PAGE_SIZE, "%u\n", ISCSI_DISCONTINUITY_TIME);
}

Contributors
Person Tokens Prop Commits CommitProp
nicholas bellinger nicholas bellinger 24 88.89% 1 50.00%
christoph hellwig christoph hellwig 3 11.11% 1 50.00%
Total 27 100.00% 2 100.00%



static ssize_t iscsi_stat_instance_description_show(struct config_item *item,
		char *page)
{
	return snprintf(page, PAGE_SIZE, "%s\n", ISCSI_INST_DESCR);
}

Contributors
Person Tokens Prop Commits CommitProp
nicholas bellinger nicholas bellinger 24 88.89% 1 50.00%
christoph hellwig christoph hellwig 3 11.11% 1 50.00%
Total 27 100.00% 2 100.00%



static ssize_t iscsi_stat_instance_vendor_show(struct config_item *item,
		char *page)
{
	return snprintf(page, PAGE_SIZE, "Datera, Inc. iSCSI-Target\n");
}

Contributors
Person Tokens Prop Commits CommitProp
nicholas bellinger nicholas bellinger 22 88.00% 2 66.67%
christoph hellwig christoph hellwig 3 12.00% 1 33.33%
Total 25 100.00% 3 100.00%



static ssize_t iscsi_stat_instance_version_show(struct config_item *item,
		char *page)
{
	return snprintf(page, PAGE_SIZE, "%s\n", ISCSIT_VERSION);
}

Contributors
Person Tokens Prop Commits CommitProp
nicholas bellinger nicholas bellinger 24 88.89% 1 50.00%
christoph hellwig christoph hellwig 3 11.11% 1 50.00%
Total 27 100.00% 2 100.00%

CONFIGFS_ATTR_RO(iscsi_stat_instance_, inst);
CONFIGFS_ATTR_RO(iscsi_stat_instance_, min_ver);
CONFIGFS_ATTR_RO(iscsi_stat_instance_, max_ver);
CONFIGFS_ATTR_RO(iscsi_stat_instance_, portals);
CONFIGFS_ATTR_RO(iscsi_stat_instance_, nodes);
CONFIGFS_ATTR_RO(iscsi_stat_instance_, sessions);
CONFIGFS_ATTR_RO(iscsi_stat_instance_, fail_sess);
CONFIGFS_ATTR_RO(iscsi_stat_instance_, fail_type);
CONFIGFS_ATTR_RO(iscsi_stat_instance_, fail_rem_name);
CONFIGFS_ATTR_RO(iscsi_stat_instance_, disc_time);
CONFIGFS_ATTR_RO(iscsi_stat_instance_, description);
CONFIGFS_ATTR_RO(iscsi_stat_instance_, vendor);
CONFIGFS_ATTR_RO(iscsi_stat_instance_, version);


static struct configfs_attribute *iscsi_stat_instance_attrs[] = {
	&iscsi_stat_instance_attr_inst,
	&iscsi_stat_instance_attr_min_ver,
	&iscsi_stat_instance_attr_max_ver,
	&iscsi_stat_instance_attr_portals,
	&iscsi_stat_instance_attr_nodes,
	&iscsi_stat_instance_attr_sessions,
	&iscsi_stat_instance_attr_fail_sess,
	&iscsi_stat_instance_attr_fail_type,
	&iscsi_stat_instance_attr_fail_rem_name,
	&iscsi_stat_instance_attr_disc_time,
	&iscsi_stat_instance_attr_description,
	&iscsi_stat_instance_attr_vendor,
	&iscsi_stat_instance_attr_version,
	NULL,
};


struct config_item_type iscsi_stat_instance_cit = {
	.ct_attrs		= iscsi_stat_instance_attrs,
	.ct_owner		= THIS_MODULE,
};

/*
 * Instance Session Failure Stats Table
 */


static struct iscsi_tiqn *iscsi_sess_err_tiqn(struct config_item *item)
{
	struct iscsi_wwn_stat_grps *igrps = container_of(to_config_group(item),
			struct iscsi_wwn_stat_grps, iscsi_sess_err_group);
	return container_of(igrps, struct iscsi_tiqn, tiqn_stat_grps);
}

Contributors
Person Tokens Prop Commits CommitProp
christoph hellwig christoph hellwig 24 57.14% 1 50.00%
nicholas bellinger nicholas bellinger 18 42.86% 1 50.00%
Total 42 100.00% 2 100.00%



static ssize_t iscsi_stat_sess_err_inst_show(struct config_item *item,
		char *page)
{
	return snprintf(page, PAGE_SIZE, "%u\n",
		iscsi_sess_err_tiqn(item)->tiqn_index);
}

Contributors
Person Tokens Prop Commits CommitProp
christoph hellwig christoph hellwig 18 56.25% 1 50.00%
nicholas bellinger nicholas bellinger 14 43.75% 1 50.00%
Total 32 100.00% 2 100.00%



static ssize_t iscsi_stat_sess_err_digest_errors_show(struct config_item *item,
		char *page)
{
	struct iscsi_tiqn *tiqn = iscsi_sess_err_tiqn(item);
	struct iscsi_sess_err_stats *sess_err = &tiqn->sess_err_stats;

	return snprintf(page, PAGE_SIZE, "%u\n", sess_err->digest_errors);
}

Contributors
Person Tokens Prop Commits CommitProp
nicholas bellinger nicholas bellinger 44 89.80% 1 50.00%
christoph hellwig christoph hellwig 5 10.20% 1 50.00%
Total 49 100.00% 2 100.00%



static ssize_t iscsi_stat_sess_err_cxn_errors_show(struct config_item *item,
		char *page)
{
	struct iscsi_tiqn *tiqn = iscsi_sess_err_tiqn(item);
	struct iscsi_sess_err_stats *sess_err = &tiqn->sess_err_stats;

	return snprintf(page, PAGE_SIZE, "%u\n", sess_err->cxn_timeout_errors);
}

Contributors
Person Tokens Prop Commits CommitProp
nicholas bellinger nicholas bellinger 44 89.80% 1 50.00%
christoph hellwig christoph hellwig 5 10.20% 1 50.00%
Total 49 100.00% 2 100.00%



static ssize_t iscsi_stat_sess_err_format_errors_show(struct config_item *item,
		char *page)
{
	struct iscsi_tiqn *tiqn = iscsi_sess_err_tiqn(item);
	struct iscsi_sess_err_stats *sess_err = &tiqn->sess_err_stats;

	return snprintf(page, PAGE_SIZE, "%u\n", sess_err->pdu_format_errors);
}

Contributors
Person Tokens Prop Commits CommitProp
nicholas bellinger nicholas bellinger 44 89.80% 1 50.00%
christoph hellwig christoph hellwig 5 10.20% 1 50.00%
Total 49 100.00% 2 100.00%

CONFIGFS_ATTR_RO(iscsi_stat_sess_err_, inst);
CONFIGFS_ATTR_RO(iscsi_stat_sess_err_, digest_errors);
CONFIGFS_ATTR_RO(iscsi_stat_sess_err_, cxn_errors);
CONFIGFS_ATTR_RO(iscsi_stat_sess_err_, format_errors);


static struct configfs_attribute *iscsi_stat_sess_err_attrs[] = {
	&iscsi_stat_sess_err_attr_inst,
	&iscsi_stat_sess_err_attr_digest_errors,
	&iscsi_stat_sess_err_attr_cxn_errors,
	&iscsi_stat_sess_err_attr_format_errors,
	NULL,
};


struct config_item_type iscsi_stat_sess_err_cit = {
	.ct_attrs		= iscsi_stat_sess_err_attrs,
	.ct_owner		= THIS_MODULE,
};

/*
 * Target Attributes Table
 */


static struct iscsi_tiqn *iscsi_tgt_attr_tiqn(struct config_item *item)
{
	struct iscsi_wwn_stat_grps *igrps = container_of(to_config_group(item),
			struct iscsi_wwn_stat_grps, iscsi_tgt_attr_group);
	return container_of(igrps, struct iscsi_tiqn, tiqn_stat_grps);
}

Contributors
Person Tokens Prop Commits CommitProp
christoph hellwig christoph hellwig 24 57.14% 1 50.00%
nicholas bellinger nicholas bellinger 18 42.86% 1 50.00%
Total 42 100.00% 2 100.00%



static ssize_t iscsi_stat_tgt_attr_inst_show(struct config_item *item,
		char *page)
{
	return snprintf(page, PAGE_SIZE, "%u\n",
			iscsi_tgt_attr_tiqn(item)->tiqn_index);
}

Contributors
Person Tokens Prop Commits CommitProp
christoph hellwig christoph hellwig 18 56.25% 1 50.00%
nicholas bellinger nicholas bellinger 14 43.75% 1 50.00%
Total 32 100.00% 2 100.00%



static ssize_t iscsi_stat_tgt_attr_indx_show(struct config_item *item,
		char *page)
{
	return snprintf(page, PAGE_SIZE, "%u\n", ISCSI_NODE_INDEX);
}

Contributors
Person Tokens Prop Commits CommitProp
nicholas bellinger nicholas bellinger 24 88.89% 1 50.00%
christoph hellwig christoph hellwig 3 11.11% 1 50.00%
Total 27 100.00% 2 100.00%



static ssize_t iscsi_stat_tgt_attr_login_fails_show(struct config_item *item,
		char *page)
{
	struct iscsi_tiqn *tiqn = iscsi_tgt_attr_tiqn(item);
	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);
}

Contributors
Person Tokens Prop Commits CommitProp
nicholas bellinger nicholas bellinger 85 94.44% 1 50.00%
christoph hellwig christoph hellwig 5 5.56% 1 50.00%
Total 90 100.00% 2 100.00%



static ssize_t iscsi_stat_tgt_attr_last_fail_time_show(struct config_item *item,
		char *page)
{
	struct iscsi_tiqn *tiqn = iscsi_tgt_attr_tiqn(item);
	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);
}

Contributors
Person Tokens Prop Commits CommitProp
nicholas bellinger nicholas bellinger 86 91.49% 1 50.00%
christoph hellwig christoph hellwig 8 8.51% 1 50.00%
Total 94 100.00% 2 100.00%



static ssize_t iscsi_stat_tgt_attr_last_fail_type_show(struct config_item *item,
		char *page)
{
	struct iscsi_tiqn *tiqn = iscsi_tgt_attr_tiqn(item);
	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);
}

Contributors
Person Tokens Prop Commits CommitProp
nicholas bellinger nicholas bellinger 67 93.06% 1 50.00%
christoph hellwig christoph hellwig 5 6.94% 1 50.00%
Total 72 100.00% 2 100.00%



static ssize_t iscsi_stat_tgt_attr_fail_intr_name_show(struct config_item *item,
		char *page)
{
	struct iscsi_tiqn *tiqn = iscsi_tgt_attr_tiqn(item);
	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);
}

Contributors
Person Tokens Prop Commits CommitProp
nicholas bellinger nicholas bellinger 87 94.57% 1 50.00%
christoph hellwig christoph hellwig 5 5.43% 1 50.00%
Total 92 100.00% 2 100.00%



static ssize_t iscsi_stat_tgt_attr_fail_intr_addr_type_show(struct config_item *item,
		char *page)
{
	struct iscsi_tiqn *tiqn = iscsi_tgt_attr_tiqn(item);
	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;
}

Contributors
Person Tokens Prop Commits CommitProp
nicholas bellinger nicholas bellinger 56 63.64% 1 33.33%
dan carpenter dan carpenter 27 30.68% 1 33.33%
christoph hellwig christoph hellwig 5 5.68% 1 33.33%
Total 88 100.00% 3 100.00%



static ssize_t iscsi_stat_tgt_attr_fail_intr_addr_show(struct config_item *item,
		char *page)
{
	struct iscsi_tiqn *tiqn = iscsi_tgt_attr_tiqn(item);
	struct iscsi_login_stats *lstat = &tiqn->login_stats;
	int ret;

	spin_lock(&lstat->lock);
	ret = snprintf(page, PAGE_SIZE, "%pISc\n", &lstat->last_intr_fail_sockaddr);
	spin_unlock(&lstat->lock);

	return ret;
}

Contributors
Person Tokens Prop Commits CommitProp
nicholas bellinger nicholas bellinger 58 79.45% 1 25.00%
dan carpenter dan carpenter 7 9.59% 1 25.00%
christoph hellwig christoph hellwig 5 6.85% 1 25.00%
andy grover andy grover 3 4.11% 1 25.00%
Total 73 100.00% 4 100.00%

CONFIGFS_ATTR_RO(iscsi_stat_tgt_attr_, inst);
CONFIGFS_ATTR_RO(iscsi_stat_tgt_attr_, indx);
CONFIGFS_ATTR_RO(iscsi_stat_tgt_attr_, login_fails);
CONFIGFS_ATTR_RO(iscsi_stat_tgt_attr_, last_fail_time);
CONFIGFS_ATTR_RO(iscsi_stat_tgt_attr_, last_fail_type);
CONFIGFS_ATTR_RO(iscsi_stat_tgt_attr_, fail_intr_name);
CONFIGFS_ATTR_RO(iscsi_stat_tgt_attr_, fail_intr_addr_type);
CONFIGFS_ATTR_RO(iscsi_stat_tgt_attr_, fail_intr_addr);


static struct configfs_attribute *iscsi_stat_tgt_attr_attrs[] = {
	&iscsi_stat_tgt_attr_attr_inst,
	&iscsi_stat_tgt_attr_attr_indx,
	&iscsi_stat_tgt_attr_attr_login_fails,
	&iscsi_stat_tgt_attr_attr_last_fail_time,
	&iscsi_stat_tgt_attr_attr_last_fail_type,
	&iscsi_stat_tgt_attr_attr_fail_intr_name,
	&iscsi_stat_tgt_attr_attr_fail_intr_addr_type,
	&iscsi_stat_tgt_attr_attr_fail_intr_addr,
	NULL,
};


struct config_item_type iscsi_stat_tgt_attr_cit = {
	.ct_attrs		= iscsi_stat_tgt_attr_attrs,
	.ct_owner		= THIS_MODULE,
};

/*
 * Target Login Stats Table
 */


static struct iscsi_tiqn *iscsi_login_stat_tiqn(struct config_item *item)
{
	struct iscsi_wwn_stat_grps *igrps = container_of(to_config_group(item),
			struct iscsi_wwn_stat_grps, iscsi_login_stats_group);
	return container_of(igrps, struct iscsi_tiqn, tiqn_stat_grps);
}

Contributors
Person Tokens Prop Commits CommitProp
christoph hellwig christoph hellwig 24 57.14% 1 50.00%
nicholas bellinger nicholas bellinger 18 42.86% 1 50.00%
Total 42 100.00% 2 100.00%



static ssize_t iscsi_stat_login_inst_show(struct config_item *item, char *page)
{
	return snprintf(page, PAGE_SIZE, "%u\n",
		iscsi_login_stat_tiqn(item)->tiqn_index);
}

Contributors
Person Tokens Prop Commits CommitProp
christoph hellwig christoph hellwig 18 56.25% 1 50.00%
nicholas bellinger nicholas bellinger 14 43.75% 1 50.00%
Total 32 100.00% 2 100.00%



static ssize_t iscsi_stat_login_indx_show(struct config_item *item,
		char *page)
{
	return snprintf(page, PAGE_SIZE, "%u\n", ISCSI_NODE_INDEX);
}

Contributors
Person Tokens Prop Commits CommitProp
nicholas bellinger nicholas bellinger 24 88.89% 1 50.00%
christoph hellwig christoph hellwig 3 11.11% 1 50.00%
Total 27 100.00% 2 100.00%



static ssize_t iscsi_stat_login_accepts_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->accepts);
	spin_unlock(&lstat->lock);

	return ret;
}

Contributors
Person Tokens Prop Commits CommitProp
nicholas bellinger nicholas bellinger 67 93.06% 1 50.00%
christoph hellwig christoph hellwig 5 6.94% 1 50.00%
Total 72 100.00% 2 100.00%



static ssize_t iscsi_stat_login_other_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->other_fails);
	spin_unlock(&lstat->lock);

	return ret;
}

Contributors
Person Tokens Prop Commits CommitProp
nicholas bellinger nicholas bellinger 67 93.06% 1 50.00%
christoph hellwig christoph hellwig 5 6.94% 1 50.00%
Total 72 100.00% 2 100.00%



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;
}

Contributors
Person Tokens Prop Commits CommitProp
nicholas bellinger nicholas bellinger 67 93.06% 1 50.00%
christoph hellwig christoph hellwig 5 6.94% 1 50.00%
Total 72 100.00% 2 100.00%



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;
}

Contributors
Person Tokens Prop Commits CommitProp
nicholas bellinger nicholas bellinger 67 93.06% 1 50.00%
christoph hellwig christoph hellwig 5 6.94% 1 50.00%
Total 72 100.00% 2 100.00%



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;
}

Contributors
Person Tokens Prop Commits CommitProp
nicholas bellinger nicholas bellinger 67 93.06% 1 50.00%
christoph hellwig christoph hellwig 5 6.94% 1 50.00%
Total 72 100.00% 2 100.00%



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;
}

Contributors
Person Tokens Prop Commits CommitProp
nicholas bellinger nicholas bellinger 67 93.06% 1 50.00%
christoph hellwig christoph hellwig 5 6.94% 1 50.00%
Total 72 100.00% 2 100.00%

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,
};


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);
}

Contributors
Person Tokens Prop Commits CommitProp
christoph hellwig christoph hellwig 24 57.14% 1 50.00%
nicholas bellinger nicholas bellinger 18 42.86% 1 50.00%
Total 42 100.00% 2 100.00%



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);
}

Contributors
Person Tokens Prop Commits CommitProp
christoph hellwig christoph hellwig 18 56.25% 1 50.00%
nicholas bellinger nicholas bellinger 14 43.75% 1 50.00%
Total 32 100.00% 2 100.00%



static ssize_t iscsi_stat_logout_indx_show(struct config_item *item, char *page)
{
	return snprintf(page, PAGE_SIZE, "%u\n", ISCSI_NODE_INDEX);
}

Contributors
Person Tokens Prop Commits CommitProp
nicholas bellinger nicholas bellinger 24 88.89% 1 50.00%
christoph hellwig christoph hellwig 3 11.11% 1 50.00%
Total 27 100.00% 2 100.00%



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);
}

Contributors
Person Tokens Prop Commits CommitProp
nicholas bellinger nicholas bellinger 44 89.80% 1 50.00%
christoph hellwig christoph hellwig 5 10.20% 1 50.00%
Total 49 100.00% 2 100.00%



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);
}

Contributors
Person Tokens Prop Commits CommitProp
nicholas bellinger nicholas bellinger 44 89.80% 1 50.00%
christoph hellwig christoph hellwig 5 10.20% 1 50.00%
Total 49 100.00% 2 100.00%

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,
};


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);
}

Contributors
Person Tokens Prop Commits CommitProp
christoph hellwig christoph hellwig 38 90.48% 1 50.00%
nicholas bellinger nicholas bellinger 4 9.52% 1 50.00%
Total 42 100.00% 2 100.00%



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);
}

Contributors
Person Tokens Prop Commits CommitProp
nicholas bellinger nicholas bellinger 62 92.54% 1 50.00%
christoph hellwig christoph hellwig 5 7.46% 1 50.00%
Total 67 100.00% 2 100.00%



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;
}

Contributors
Person Tokens Prop Commits CommitProp
nicholas bellinger nicholas bellinger 107 95.54% 1 50.00%
christoph hellwig christoph hellwig 5 4.46% 1 50.00%
Total 112 100.00% 2 100.00%



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;
}

Contributors
Person Tokens Prop Commits CommitProp
nicholas bellinger nicholas bellinger 101 95.28% 1 50.00%
christoph hellwig christoph hellwig 5 4.72% 1 50.00%
Total 106 100.00% 2 100.00%



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;
}

Contributors
Person Tokens Prop Commits CommitProp
nicholas bellinger nicholas bellinger 105 95.45% 2 66.67%
christoph hellwig christoph hellwig 5 4.55% 1 33.33%
Total 110 100.00% 3 100.00%



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;
}

Contributors
Person Tokens Prop Commits CommitProp
nicholas bellinger nicholas bellinger 105 95.45% 2 66.67%
christoph hellwig christoph hellwig 5 4.55% 1 33.33%
Total 110 100.00% 3 100.00%



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;
}

Contributors
Person Tokens Prop Commits CommitProp
nicholas bellinger nicholas bellinger 105 95.45% 2 66.67%
christoph hellwig christoph hellwig 5 4.55% 1 33.33%
Total 110 100.00% 3 100.00%



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;
}

Contributors
Person Tokens Prop Commits CommitProp
nicholas bellinger nicholas bellinger 105 95.45% 2 66.67%
christoph hellwig christoph hellwig 5 4.55% 1 33.33%
Total 110 100.00% 3 100.00%



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;
}

Contributors
Person Tokens Prop Commits CommitProp
nicholas bellinger nicholas bellinger 105 95.45% 2 66.67%
christoph hellwig christoph hellwig 5 4.55% 1 33.33%
Total 110 100.00% 3 100.00%



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;
}

Contributors
Person Tokens Prop Commits CommitProp
nicholas bellinger nicholas bellinger 105 95.45% 2 66.67%
christoph hellwig christoph hellwig 5 4.55% 1 33.33%
Total 110 100.00% 3 100.00%

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,
};


struct config_item_type iscsi_stat_sess_cit = {
	.ct_attrs		= iscsi_stat_sess_stats_attrs,
	.ct_owner		= THIS_MODULE,
};
Overall Contributors
Person Tokens Prop Commits CommitProp
nicholas bellinger nicholas bellinger 2943 78.25% 3 33.33%
christoph hellwig christoph hellwig 776 20.63% 1 11.11%
dan carpenter dan carpenter 34 0.90% 2 22.22%
andy grover andy grover 3 0.08% 1 11.11%
paul gortmaker paul gortmaker 3 0.08% 1 11.11%
sagi grimberg sagi grimberg 2 0.05% 1 11.11%
Total 3761 100.00% 9 100.00%
  Directory: drivers/target/iscsi

Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
	Person	Tokens	Prop	Commits	CommitProp
christoph hellwig	christoph hellwig	24	57.14%	1	50.00%
nicholas bellinger	nicholas bellinger	18	42.86%	1	50.00%
	Total	42	100.00%	2	100.00%
cregit-Linux how code gets into the kernel

Release 4.7 drivers/target/iscsi/iscsi_target_stat.c

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