Release 4.11 drivers/target/target_core_stat.c

/*******************************************************************************
 * Filename:  target_core_stat.c
 *
 * Modern ConfigFS group context specific statistics based on original
 * target_core_mib.c code
 *
 * (c) Copyright 2006-2013 Datera, Inc.
 *
 * Nicholas A. Bellinger <nab@linux-iscsi.org>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 *
 ******************************************************************************/

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/delay.h>
#include <linux/timer.h>
#include <linux/string.h>
#include <linux/utsname.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#include <linux/configfs.h>

#include <target/target_core_base.h>
#include <target/target_core_backend.h>
#include <target/target_core_fabric.h>

#include "target_core_internal.h"

#ifndef INITIAL_JIFFIES

#define INITIAL_JIFFIES ((unsigned long)(unsigned int) (-300*HZ))
#endif


#define NONE		"None"

#define ISPRINT(a)   ((a >= ' ') && (a <= '~'))


#define SCSI_LU_INDEX			1

#define LU_COUNT			1

/*
 * SCSI Device Table
 */



static struct se_device *to_stat_dev(struct config_item *item)
{
	struct se_dev_stat_grps *sgrps = container_of(to_config_group(item),
			struct se_dev_stat_grps, scsi_dev_group);
	return container_of(sgrps, struct se_device, dev_stat_grps);
}

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Christoph Hellwig
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59.52%
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66.67%
Nicholas Bellinger
17
40.48%
1
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42
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static ssize_t target_stat_inst_show(struct config_item *item, char *page)
{
	struct se_hba *hba = to_stat_dev(item)->se_hba;

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

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Nicholas Bellinger
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33.33%
Christoph Hellwig
19
46.34%
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41
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static ssize_t target_stat_indx_show(struct config_item *item, char *page)
{
	return snprintf(page, PAGE_SIZE, "%u\n", to_stat_dev(item)->dev_index);
}

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Nicholas Bellinger
25
78.12%
1
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Christoph Hellwig
7
21.88%
1
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32
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2
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static ssize_t target_stat_role_show(struct config_item *item, char *page)
{
	return snprintf(page, PAGE_SIZE, "Target\n");
}

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22
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Christoph Hellwig
3
12.00%
1
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25
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2
100.00%



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

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Nicholas Bellinger
24
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33.33%
Christoph Hellwig
8
25.00%
2
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32
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3
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CONFIGFS_ATTR_RO(target_stat_, inst);
CONFIGFS_ATTR_RO(target_stat_, indx);
CONFIGFS_ATTR_RO(target_stat_, role);
CONFIGFS_ATTR_RO(target_stat_, ports);


static struct configfs_attribute *target_stat_scsi_dev_attrs[] = {
	&target_stat_attr_inst,
	&target_stat_attr_indx,
	&target_stat_attr_role,
	&target_stat_attr_ports,
	NULL,
};


static struct config_item_type target_stat_scsi_dev_cit = {
	.ct_attrs		= target_stat_scsi_dev_attrs,
	.ct_owner		= THIS_MODULE,
};

/*
 * SCSI Target Device Table
 */


static struct se_device *to_stat_tgt_dev(struct config_item *item)
{
	struct se_dev_stat_grps *sgrps = container_of(to_config_group(item),
			struct se_dev_stat_grps, scsi_tgt_dev_group);
	return container_of(sgrps, struct se_device, dev_stat_grps);
}

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25
59.52%
2
66.67%
Nicholas Bellinger
17
40.48%
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42
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3
100.00%



static ssize_t target_stat_tgt_inst_show(struct config_item *item, char *page)
{
	struct se_hba *hba = to_stat_tgt_dev(item)->se_hba;

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

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Nicholas Bellinger
22
53.66%
1
33.33%
Christoph Hellwig
19
46.34%
2
66.67%
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41
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static ssize_t target_stat_tgt_indx_show(struct config_item *item, char *page)
{
	return snprintf(page, PAGE_SIZE, "%u\n", to_stat_tgt_dev(item)->dev_index);
}

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Nicholas Bellinger
25
78.12%
1
50.00%
Christoph Hellwig
7
21.88%
1
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32
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2
100.00%



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

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Nicholas Bellinger
24
88.89%
1
50.00%
Christoph Hellwig
3
11.11%
1
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27
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2
100.00%



static ssize_t target_stat_tgt_status_show(struct config_item *item,
		char *page)
{
	if (to_stat_tgt_dev(item)->export_count)
		return snprintf(page, PAGE_SIZE, "activated");
	else
		return snprintf(page, PAGE_SIZE, "deactivated");
}

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Nicholas Bellinger
29
64.44%
1
33.33%
Christoph Hellwig
16
35.56%
2
66.67%
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45
100.00%
3
100.00%



static ssize_t target_stat_tgt_non_access_lus_show(struct config_item *item,
		char *page)
{
	int non_accessible_lus;

	if (to_stat_tgt_dev(item)->export_count)
		non_accessible_lus = 0;
	else
		non_accessible_lus = 1;

	return snprintf(page, PAGE_SIZE, "%u\n", non_accessible_lus);
}

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Nicholas Bellinger
37
77.08%
1
33.33%
Christoph Hellwig
11
22.92%
2
66.67%
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48
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3
100.00%



static ssize_t target_stat_tgt_resets_show(struct config_item *item,
		char *page)
{
	return snprintf(page, PAGE_SIZE, "%lu\n",
			atomic_long_read(&to_stat_tgt_dev(item)->num_resets));
}

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Nicholas Bellinger
29
80.56%
2
66.67%
Christoph Hellwig
7
19.44%
1
33.33%
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36
100.00%
3
100.00%



static ssize_t target_stat_tgt_aborts_complete_show(struct config_item *item,
		char *page)
{
	return snprintf(page, PAGE_SIZE, "%lu\n",
			atomic_long_read(&to_stat_tgt_dev(item)->aborts_complete));
}

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36
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static ssize_t target_stat_tgt_aborts_no_task_show(struct config_item *item,
		char *page)
{
	return snprintf(page, PAGE_SIZE, "%lu\n",
			atomic_long_read(&to_stat_tgt_dev(item)->aborts_no_task));
}

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36
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CONFIGFS_ATTR_RO(target_stat_tgt_, inst);
CONFIGFS_ATTR_RO(target_stat_tgt_, indx);
CONFIGFS_ATTR_RO(target_stat_tgt_, num_lus);
CONFIGFS_ATTR_RO(target_stat_tgt_, status);
CONFIGFS_ATTR_RO(target_stat_tgt_, non_access_lus);
CONFIGFS_ATTR_RO(target_stat_tgt_, resets);
CONFIGFS_ATTR_RO(target_stat_tgt_, aborts_complete);
CONFIGFS_ATTR_RO(target_stat_tgt_, aborts_no_task);


static struct configfs_attribute *target_stat_scsi_tgt_dev_attrs[] = {
	&target_stat_tgt_attr_inst,
	&target_stat_tgt_attr_indx,
	&target_stat_tgt_attr_num_lus,
	&target_stat_tgt_attr_status,
	&target_stat_tgt_attr_non_access_lus,
	&target_stat_tgt_attr_resets,
	&target_stat_tgt_attr_aborts_complete,
	&target_stat_tgt_attr_aborts_no_task,
	NULL,
};


static struct config_item_type target_stat_scsi_tgt_dev_cit = {
	.ct_attrs		= target_stat_scsi_tgt_dev_attrs,
	.ct_owner		= THIS_MODULE,
};

/*
 * SCSI Logical Unit Table
 */



static struct se_device *to_stat_lu_dev(struct config_item *item)
{
	struct se_dev_stat_grps *sgrps = container_of(to_config_group(item),
			struct se_dev_stat_grps, scsi_lu_group);
	return container_of(sgrps, struct se_device, dev_stat_grps);
}

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Christoph Hellwig
25
59.52%
2
66.67%
Nicholas Bellinger
17
40.48%
1
33.33%
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42
100.00%
3
100.00%



static ssize_t target_stat_lu_inst_show(struct config_item *item, char *page)
{
	struct se_hba *hba = to_stat_lu_dev(item)->se_hba;

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

Contributors
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Nicholas Bellinger
22
53.66%
1
33.33%
Christoph Hellwig
19
46.34%
2
66.67%
Total
41
100.00%
3
100.00%



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

Contributors
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Nicholas Bellinger
25
78.12%
1
50.00%
Christoph Hellwig
7
21.88%
1
50.00%
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32
100.00%
2
100.00%



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

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Nicholas Bellinger
24
88.89%
1
50.00%
Christoph Hellwig
3
11.11%
1
50.00%
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27
100.00%
2
100.00%



static ssize_t target_stat_lu_lun_show(struct config_item *item, char *page)
{
	/* FIXME: scsiLuDefaultLun */
	return snprintf(page, PAGE_SIZE, "%llu\n", (unsigned long long)0);
}

Contributors
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Nicholas Bellinger
30
90.91%
1
50.00%
Christoph Hellwig
3
9.09%
1
50.00%
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33
100.00%
2
100.00%



static ssize_t target_stat_lu_lu_name_show(struct config_item *item, char *page)
{
	struct se_device *dev = to_stat_lu_dev(item);

	/* scsiLuWwnName */
	return snprintf(page, PAGE_SIZE, "%s\n",
			(strlen(dev->t10_wwn.unit_serial)) ?
			dev->t10_wwn.unit_serial : "None");
}

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Nicholas Bellinger
44
80.00%
1
25.00%
Christoph Hellwig
7
12.73%
2
50.00%
Andy Grover
4
7.27%
1
25.00%
Total
55
100.00%
4
100.00%



static ssize_t target_stat_lu_vend_show(struct config_item *item, char *page)
{
	struct se_device *dev = to_stat_lu_dev(item);
	int i;
	char str[sizeof(dev->t10_wwn.vendor)+1];

	/* scsiLuVendorId */
	for (i = 0; i < sizeof(dev->t10_wwn.vendor); i++)
		str[i] = ISPRINT(dev->t10_wwn.vendor[i]) ?
			dev->t10_wwn.vendor[i] : ' ';
	str[i] = '\0';
	return snprintf(page, PAGE_SIZE, "%s\n", str);
}

Contributors
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Nicholas Bellinger
72
64.86%
1
25.00%
Andy Grover
32
28.83%
1
25.00%
Christoph Hellwig
7
6.31%
2
50.00%
Total
111
100.00%
4
100.00%



static ssize_t target_stat_lu_prod_show(struct config_item *item, char *page)
{
	struct se_device *dev = to_stat_lu_dev(item);
	int i;
	char str[sizeof(dev->t10_wwn.model)+1];

	/* scsiLuProductId */
	for (i = 0; i < sizeof(dev->t10_wwn.model); i++)
		str[i] = ISPRINT(dev->t10_wwn.model[i]) ?
			dev->t10_wwn.model[i] : ' ';
	str[i] = '\0';
	return snprintf(page, PAGE_SIZE, "%s\n", str);
}

Contributors
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Nicholas Bellinger
70
63.06%
1
20.00%
Andy Grover
30
27.03%
1
20.00%
Christoph Hellwig
10
9.01%
2
40.00%
David Disseldorp
1
0.90%
1
20.00%
Total
111
100.00%
5
100.00%



static ssize_t target_stat_lu_rev_show(struct config_item *item, char *page)
{
	struct se_device *dev = to_stat_lu_dev(item);
	int i;
	char str[sizeof(dev->t10_wwn.revision)+1];

	/* scsiLuRevisionId */
	for (i = 0; i < sizeof(dev->t10_wwn.revision); i++)
		str[i] = ISPRINT(dev->t10_wwn.revision[i]) ?
			dev->t10_wwn.revision[i] : ' ';
	str[i] = '\0';
	return snprintf(page, PAGE_SIZE, "%s\n", str);
}

Contributors
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Nicholas Bellinger
69
62.16%
1
25.00%
Andy Grover
32
28.83%
1
25.00%
Christoph Hellwig
10
9.01%
2
50.00%
Total
111
100.00%
4
100.00%



static ssize_t target_stat_lu_dev_type_show(struct config_item *item, char *page)
{
	struct se_device *dev = to_stat_lu_dev(item);

	/* scsiLuPeripheralType */
	return snprintf(page, PAGE_SIZE, "%u\n",
			dev->transport->get_device_type(dev));
}

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Nicholas Bellinger
36
80.00%
1
25.00%
Christoph Hellwig
7
15.56%
2
50.00%
Andy Grover
2
4.44%
1
25.00%
Total
45
100.00%
4
100.00%



static ssize_t target_stat_lu_status_show(struct config_item *item, char *page)
{
	struct se_device *dev = to_stat_lu_dev(item);

	/* scsiLuStatus */
	return snprintf(page, PAGE_SIZE, "%s\n",
		(dev->export_count) ? "available" : "notavailable");
}

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Nicholas Bellinger
38
82.61%
1
33.33%
Christoph Hellwig
8
17.39%
2
66.67%
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46
100.00%
3
100.00%



static ssize_t target_stat_lu_state_bit_show(struct config_item *item,
		char *page)
{
	/* scsiLuState */
	return snprintf(page, PAGE_SIZE, "exposed\n");
}

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Nicholas Bellinger
23
88.46%
1
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Christoph Hellwig
3
11.54%
1
50.00%
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26
100.00%
2
100.00%



static ssize_t target_stat_lu_num_cmds_show(struct config_item *item,
		char *page)
{
	struct se_device *dev = to_stat_lu_dev(item);

	/* scsiLuNumCommands */
	return snprintf(page, PAGE_SIZE, "%lu\n",
			atomic_long_read(&dev->num_cmds));
}

Contributors
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Nicholas Bellinger
37
84.09%
2
50.00%
Christoph Hellwig
7
15.91%
2
50.00%
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44
100.00%
4
100.00%



static ssize_t target_stat_lu_read_mbytes_show(struct config_item *item,
		char *page)
{
	struct se_device *dev = to_stat_lu_dev(item);

	/* scsiLuReadMegaBytes */
	return snprintf(page, PAGE_SIZE, "%lu\n",
			atomic_long_read(&dev->read_bytes) >> 20);
}

Contributors
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Nicholas Bellinger
39
84.78%
2
50.00%
Christoph Hellwig
7
15.22%
2
50.00%
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46
100.00%
4
100.00%



static ssize_t target_stat_lu_write_mbytes_show(struct config_item *item,
		char *page)
{
	struct se_device *dev = to_stat_lu_dev(item);

	/* scsiLuWrittenMegaBytes */
	return snprintf(page, PAGE_SIZE, "%lu\n",
			atomic_long_read(&dev->write_bytes) >> 20);
}

Contributors
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Nicholas Bellinger
39
84.78%
2
50.00%
Christoph Hellwig
7
15.22%
2
50.00%
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46
100.00%
4
100.00%



static ssize_t target_stat_lu_resets_show(struct config_item *item, char *page)
{
	struct se_device *dev = to_stat_lu_dev(item);

	/* scsiLuInResets */
	return snprintf(page, PAGE_SIZE, "%lu\n",
		atomic_long_read(&dev->num_resets));
}

Contributors
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Nicholas Bellinger
37
84.09%
2
50.00%
Christoph Hellwig
7
15.91%
2
50.00%
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44
100.00%
4
100.00%



static ssize_t target_stat_lu_full_stat_show(struct config_item *item,
		char *page)
{
	/* FIXME: scsiLuOutTaskSetFullStatus */
	return snprintf(page, PAGE_SIZE, "%u\n", 0);
}

Contributors
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Nicholas Bellinger
25
89.29%
1
50.00%
Christoph Hellwig
3
10.71%
1
50.00%
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28
100.00%
2
100.00%



static ssize_t target_stat_lu_hs_num_cmds_show(struct config_item *item,
		char *page)
{
	/* FIXME: scsiLuHSInCommands */
	return snprintf(page, PAGE_SIZE, "%u\n", 0);
}

Contributors
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Nicholas Bellinger
25
89.29%
1
50.00%
Christoph Hellwig
3
10.71%
1
50.00%
Total
28
100.00%
2
100.00%



static ssize_t target_stat_lu_creation_time_show(struct config_item *item,
		char *page)
{
	struct se_device *dev = to_stat_lu_dev(item);

	/* scsiLuCreationTime */
	return snprintf(page, PAGE_SIZE, "%u\n", (u32)(((u32)dev->creation_time -
				INITIAL_JIFFIES) * 100 / HZ));
}

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CONFIGFS_ATTR_RO(target_stat_lu_, inst);
CONFIGFS_ATTR_RO(target_stat_lu_, dev);
CONFIGFS_ATTR_RO(target_stat_lu_, indx);
CONFIGFS_ATTR_RO(target_stat_lu_, lun);
CONFIGFS_ATTR_RO(target_stat_lu_, lu_name);
CONFIGFS_ATTR_RO(target_stat_lu_, vend);
CONFIGFS_ATTR_RO(target_stat_lu_, prod);
CONFIGFS_ATTR_RO(target_stat_lu_, rev);
CONFIGFS_ATTR_RO(target_stat_lu_, dev_type);
CONFIGFS_ATTR_RO(target_stat_lu_, status);
CONFIGFS_ATTR_RO(target_stat_lu_, state_bit);
CONFIGFS_ATTR_RO(target_stat_lu_, num_cmds);
CONFIGFS_ATTR_RO(target_stat_lu_, read_mbytes);
CONFIGFS_ATTR_RO(target_stat_lu_, write_mbytes);
CONFIGFS_ATTR_RO(target_stat_lu_, resets);
CONFIGFS_ATTR_RO(target_stat_lu_, full_stat);
CONFIGFS_ATTR_RO(target_stat_lu_, hs_num_cmds);
CONFIGFS_ATTR_RO(target_stat_lu_, creation_time);


static struct configfs_attribute *target_stat_scsi_lu_attrs[] = {
	&target_stat_lu_attr_inst,
	&target_stat_lu_attr_dev,
	&target_stat_lu_attr_indx,
	&target_stat_lu_attr_lun,
	&target_stat_lu_attr_lu_name,
	&target_stat_lu_attr_vend,
	&target_stat_lu_attr_prod,
	&target_stat_lu_attr_rev,
	&target_stat_lu_attr_dev_type,
	&target_stat_lu_attr_status,
	&target_stat_lu_attr_state_bit,
	&target_stat_lu_attr_num_cmds,
	&target_stat_lu_attr_read_mbytes,
	&target_stat_lu_attr_write_mbytes,
	&target_stat_lu_attr_resets,
	&target_stat_lu_attr_full_stat,
	&target_stat_lu_attr_hs_num_cmds,
	&target_stat_lu_attr_creation_time,
	NULL,
};


static struct config_item_type target_stat_scsi_lu_cit = {
	.ct_attrs		= target_stat_scsi_lu_attrs,
	.ct_owner		= THIS_MODULE,
};

/*
 * Called from target_core_configfs.c:target_core_make_subdev() to setup
 * the target statistics groups + configfs CITs located in target_core_stat.c
 */


void target_stat_setup_dev_default_groups(struct se_device *dev)
{
	config_group_init_type_name(&dev->dev_stat_grps.scsi_dev_group,
			"scsi_dev", &target_stat_scsi_dev_cit);
	configfs_add_default_group(&dev->dev_stat_grps.scsi_dev_group,
			&dev->dev_stat_grps.stat_group);

	config_group_init_type_name(&dev->dev_stat_grps.scsi_tgt_dev_group,
			"scsi_tgt_dev", &target_stat_scsi_tgt_dev_cit);
	configfs_add_default_group(&dev->dev_stat_grps.scsi_tgt_dev_group,
			&dev->dev_stat_grps.stat_group);

	config_group_init_type_name(&dev->dev_stat_grps.scsi_lu_group,
			"scsi_lu", &target_stat_scsi_lu_cit);
	configfs_add_default_group(&dev->dev_stat_grps.scsi_lu_group,
			&dev->dev_stat_grps.stat_group);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Nicholas Bellinger
48
45.28%
1
25.00%
Christoph Hellwig
46
43.40%
2
50.00%
Andy Grover
12
11.32%
1
25.00%
Total
106
100.00%
4
100.00%

/*
 * SCSI Port Table
 */



static struct se_lun *to_stat_port(struct config_item *item)
{
	struct se_port_stat_grps *pgrps = container_of(to_config_group(item),
			struct se_port_stat_grps, scsi_port_group);
	return container_of(pgrps, struct se_lun, port_stat_grps);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Christoph Hellwig
38
90.48%
1
50.00%
Nicholas Bellinger
4
9.52%
1
50.00%
Total
42
100.00%
2
100.00%



static ssize_t target_stat_port_inst_show(struct config_item *item, char *page)
{
	struct se_lun *lun = to_stat_port(item);
	struct se_device *dev;
	ssize_t ret = -ENODEV;

	rcu_read_lock();
	dev = rcu_dereference(lun->lun_se_dev);
	if (dev)
		ret = snprintf(page, PAGE_SIZE, "%u\n", dev->hba_index);
	rcu_read_unlock();
	return ret;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Nicholas Bellinger
61
83.56%
2
50.00%
Christoph Hellwig
12
16.44%
2
50.00%
Total
73
100.00%
4
100.00%



static ssize_t target_stat_port_dev_show(struct config_item *item, char *page)
{
	struct se_lun *lun = to_stat_port(item);
	struct se_device *dev;
	ssize_t ret = -ENODEV;

	rcu_read_lock();
	dev = rcu_dereference(lun->lun_se_dev);
	if (dev)
		ret = snprintf(page, PAGE_SIZE, "%u\n", dev->dev_index);
	rcu_read_unlock();
	return ret;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Nicholas Bellinger
62
84.93%
2
50.00%
Christoph Hellwig
11
15.07%
2
50.00%
Total
73
100.00%
4
100.00%



static ssize_t target_stat_port_indx_show(struct config_item *item, char *page)
{
	struct se_lun *lun = to_stat_port(item);
	struct se_device *dev;
	ssize_t ret = -ENODEV;

	rcu_read_lock();
	dev = rcu_dereference(lun->lun_se_dev);
	if (dev)
		ret = snprintf(page, PAGE_SIZE, "%u\n", lun->lun_rtpi);
	rcu_read_unlock();
	return ret;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Nicholas Bellinger
59
80.82%
2
50.00%
Christoph Hellwig
14
19.18%
2
50.00%
Total
73
100.00%
4
100.00%



static ssize_t target_stat_port_role_show(struct config_item *item, char *page)
{
	struct se_lun *lun = to_stat_port(item);
	struct se_device *dev;
	ssize_t ret = -ENODEV;

	rcu_read_lock();
	dev = rcu_dereference(lun->lun_se_dev);
	if (dev)
		ret = snprintf(page, PAGE_SIZE, "%s%u\n", "Device", dev->dev_index);
	rcu_read_unlock();
	return ret;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Nicholas Bellinger
65
86.67%
2
50.00%
Christoph Hellwig
10
13.33%
2
50.00%
Total
75
100.00%
4
100.00%



static ssize_t target_stat_port_busy_count_show(struct config_item *item,
		char *page)
{
	struct se_lun *lun = to_stat_port(item);
	struct se_device *dev;
	ssize_t ret = -ENODEV;

	rcu_read_lock();
	dev = rcu_dereference(lun->lun_se_dev);
	if (dev) {
		/* FIXME: scsiPortBusyStatuses  */
		ret = snprintf(page, PAGE_SIZE, "%u\n", 0);
	}
	rcu_read_unlock();
	return ret;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Nicholas Bellinger
60
81.08%
2
50.00%
Christoph Hellwig
14
18.92%
2
50.00%
Total
74
100.00%
4
100.00%

CONFIGFS_ATTR_RO(target_stat_port_, inst);
CONFIGFS_ATTR_RO(target_stat_port_, dev);
CONFIGFS_ATTR_RO(target_stat_port_, indx);
CONFIGFS_ATTR_RO(target_stat_port_, role);
CONFIGFS_ATTR_RO(target_stat_port_, busy_count);


static struct configfs_attribute *target_stat_scsi_port_attrs[] = {
	&target_stat_port_attr_inst,
	&target_stat_port_attr_dev,
	&target_stat_port_attr_indx,
	&target_stat_port_attr_role,
	&target_stat_port_attr_busy_count,
	NULL,
};


static struct config_item_type target_stat_scsi_port_cit = {
	.ct_attrs		= target_stat_scsi_port_attrs,
	.ct_owner		= THIS_MODULE,
};

/*
 * SCSI Target Port Table
 */


static struct se_lun *to_stat_tgt_port(struct config_item *item)
{
	struct se_port_stat_grps *pgrps = container_of(to_config_group(item),
			struct se_port_stat_grps, scsi_tgt_port_group);
	return container_of(pgrps, struct se_lun, port_stat_grps);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Christoph Hellwig
38
90.48%
1
50.00%
Nicholas Bellinger
4
9.52%
1
50.00%
Total
42
100.00%
2
100.00%



static ssize_t target_stat_tgt_port_inst_show(struct config_item *item,
		char *page)
{
	struct se_lun *lun = to_stat_tgt_port(item);
	struct se_device *dev;
	ssize_t ret = -ENODEV;

	rcu_read_lock();
	dev = rcu_dereference(lun->lun_se_dev);
	if (dev)
		ret = snprintf(page, PAGE_SIZE, "%u\n", dev->hba_index);
	rcu_read_unlock();
	return ret;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Nicholas Bellinger
62
84.93%
2
50.00%
Christoph Hellwig
11
15.07%
2
50.00%
Total
73
100.00%
4
100.00%



static ssize_t target_stat_tgt_port_dev_show(struct config_item *item,
		char *page)
{
	struct se_lun *lun = to_stat_tgt_port(item);
	struct se_device *dev;
	ssize_t ret = -ENODEV;

	rcu_read_lock();
	dev = rcu_dereference(lun->lun_se_dev);
	if (dev)
		ret = snprintf(page, PAGE_SIZE, "%u\n", dev->dev_index);
	rcu_read_unlock();
	return ret;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Nicholas Bellinger
62
84.93%
2
50.00%
Christoph Hellwig
11
15.07%
2
50.00%
Total
73
100.00%
4
100.00%



static ssize_t target_stat_tgt_port_indx_show(struct config_item *item,
		char *page)
{
	struct se_lun *lun = to_stat_tgt_port(item);
	struct se_device *dev;
	ssize_t ret = -ENODEV;

	rcu_read_lock();
	dev = rcu_dereference(lun->lun_se_dev);
	if (dev)
		ret = snprintf(page, PAGE_SIZE, "%u\n", lun->lun_rtpi);
	rcu_read_unlock();
	return ret;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Nicholas Bellinger
59
80.82%
2
50.00%
Christoph Hellwig
14
19.18%
2
50.00%
Total
73
100.00%
4
100.00%



static ssize_t target_stat_tgt_port_name_show(struct config_item *item,
		char *page)
{
	struct se_lun *lun = to_stat_tgt_port(item);
	struct se_portal_group *tpg = lun->lun_tpg;
	struct se_device *dev;
	ssize_t ret = -ENODEV;

	rcu_read_lock();
	dev = rcu_dereference(lun->lun_se_dev);
	if (dev)
		ret = snprintf(page, PAGE_SIZE, "%sPort#%u\n",
			tpg->se_tpg_tfo->get_fabric_name(),
			lun->lun_rtpi);
	rcu_read_unlock();
	return ret;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Nicholas Bellinger
67
75.28%
2
40.00%
Christoph Hellwig
20
22.47%
2
40.00%
Andy Grover
2
2.25%
1
20.00%
Total
89
100.00%
5
100.00%



static ssize_t target_stat_tgt_port_port_index_show(struct config_item *item,
		char *page)
{
	struct se_lun *lun = to_stat_tgt_port(item);
	struct se_portal_group *tpg = lun->lun_tpg;
	struct se_device *dev;
	ssize_t ret = -ENODEV;

	rcu_read_lock();
	dev = rcu_dereference(lun->lun_se_dev);
	if (dev)
		ret = snprintf(page, PAGE_SIZE, "%s%s%d\n",
			tpg->se_tpg_tfo->tpg_get_wwn(tpg), "+t+",
			tpg->se_tpg_tfo->tpg_get_tag(tpg));
	rcu_read_unlock();
	return ret;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Nicholas Bellinger
75
76.53%
2
40.00%
Christoph Hellwig
19
19.39%
2
40.00%
Andy Grover
4
4.08%
1
20.00%
Total
98
100.00%
5
100.00%



static ssize_t target_stat_tgt_port_in_cmds_show(struct config_item *item,
		char *page)
{
	struct se_lun *lun = to_stat_tgt_port(item);
	struct se_device *dev;
	ssize_t ret = -ENODEV;

	rcu_read_lock();
	dev = rcu_dereference(lun->lun_se_dev);
	if (dev)
		ret = snprintf(page, PAGE_SIZE, "%lu\n",
			       atomic_long_read(&lun->lun_stats.cmd_pdus));
	rcu_read_unlock();
	return ret;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Nicholas Bellinger
65
82.28%
2
50.00%
Christoph Hellwig
14
17.72%
2
50.00%
Total
79
100.00%
4
100.00%



static ssize_t target_stat_tgt_port_write_mbytes_show(struct config_item *item,
		char *page)
{
	struct se_lun *lun = to_stat_tgt_port(item);
	struct se_device *dev;
	ssize_t ret = -ENODEV;

	rcu_read_lock();
	dev = rcu_dereference(lun->lun_se_dev);
	if (dev)
		ret = snprintf(page, PAGE_SIZE, "%u\n",
			(u32)(atomic_long_read(&lun->lun_stats.rx_data_octets) >> 20));
	rcu_read_unlock();
	return ret;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Nicholas Bellinger
71
82.56%
2
50.00%
Christoph Hellwig
15
17.44%
2
50.00%
Total
86
100.00%
4
100.00%



static ssize_t target_stat_tgt_port_read_mbytes_show(struct config_item *item,
		char *page)
{
	struct se_lun *lun = to_stat_tgt_port(item);
	struct se_device *dev;
	ssize_t ret = -ENODEV;

	rcu_read_lock();
	dev = rcu_dereference(lun->lun_se_dev);
	if (dev)
		ret = snprintf(page, PAGE_SIZE, "%u\n",
				(u32)(atomic_long_read(&lun->lun_stats.tx_data_octets) >> 20));
	rcu_read_unlock();
	return ret;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Nicholas Bellinger
71
82.56%
2
50.00%
Christoph Hellwig
15
17.44%
2
50.00%
Total
86
100.00%
4
100.00%



static ssize_t target_stat_tgt_port_hs_in_cmds_show(struct config_item *item,
		char *page)
{
	struct se_lun *lun = to_stat_tgt_port(item);
	struct se_device *dev;
	ssize_t ret = -ENODEV;

	rcu_read_lock();
	dev = rcu_dereference(lun->lun_se_dev);
	if (dev) {
		/* FIXME: scsiTgtPortHsInCommands */
		ret = snprintf(page, PAGE_SIZE, "%u\n", 0);
	}
	rcu_read_unlock();
	return ret;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Nicholas Bellinger
60
81.08%
2
50.00%
Christoph Hellwig
14
18.92%
2
50.00%
Total
74
100.00%
4
100.00%

CONFIGFS_ATTR_RO(target_stat_tgt_port_, inst);
CONFIGFS_ATTR_RO(target_stat_tgt_port_, dev);
CONFIGFS_ATTR_RO(target_stat_tgt_port_, indx);
CONFIGFS_ATTR_RO(target_stat_tgt_port_, name);
CONFIGFS_ATTR_RO(target_stat_tgt_port_, port_index);
CONFIGFS_ATTR_RO(target_stat_tgt_port_, in_cmds);
CONFIGFS_ATTR_RO(target_stat_tgt_port_, write_mbytes);
CONFIGFS_ATTR_RO(target_stat_tgt_port_, read_mbytes);
CONFIGFS_ATTR_RO(target_stat_tgt_port_, hs_in_cmds);


static struct configfs_attribute *target_stat_scsi_tgt_port_attrs[] = {
	&target_stat_tgt_port_attr_inst,
	&target_stat_tgt_port_attr_dev,
	&target_stat_tgt_port_attr_indx,
	&target_stat_tgt_port_attr_name,
	&target_stat_tgt_port_attr_port_index,
	&target_stat_tgt_port_attr_in_cmds,
	&target_stat_tgt_port_attr_write_mbytes,
	&target_stat_tgt_port_attr_read_mbytes,
	&target_stat_tgt_port_attr_hs_in_cmds,
	NULL,
};


static struct config_item_type target_stat_scsi_tgt_port_cit = {
	.ct_attrs		= target_stat_scsi_tgt_port_attrs,
	.ct_owner		= THIS_MODULE,
};

/*
 * SCSI Transport Table
 */


static struct se_lun *to_transport_stat(struct config_item *item)
{
	struct se_port_stat_grps *pgrps = container_of(to_config_group(item),
			struct se_port_stat_grps, scsi_transport_group);
	return container_of(pgrps, struct se_lun, port_stat_grps);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Christoph Hellwig
38
90.48%
1
50.00%
Nicholas Bellinger
4
9.52%
1
50.00%
Total
42
100.00%
2
100.00%



static ssize_t target_stat_transport_inst_show(struct config_item *item,
		char *page)
{
	struct se_lun *lun = to_transport_stat(item);
	struct se_device *dev;
	ssize_t ret = -ENODEV;

	rcu_read_lock();
	dev = rcu_dereference(lun->lun_se_dev);
	if (dev)
		ret = snprintf(page, PAGE_SIZE, "%u\n", dev->hba_index);
	rcu_read_unlock();
	return ret;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Nicholas Bellinger
61
83.56%
2
50.00%
Christoph Hellwig
12
16.44%
2
50.00%
Total
73
100.00%
4
100.00%



static ssize_t target_stat_transport_device_show(struct config_item *item,
		char *page)
{
	struct se_lun *lun = to_transport_stat(item);
	struct se_device *dev;
	struct se_portal_group *tpg = lun->lun_tpg;
	ssize_t ret = -ENODEV;

	rcu_read_lock();
	dev = rcu_dereference(lun->lun_se_dev);
	if (dev) {
		/* scsiTransportType */
		ret = snprintf(page, PAGE_SIZE, "scsiTransport%s\n",
			       tpg->se_tpg_tfo->get_fabric_name());
	}
	rcu_read_unlock();
	return ret;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Nicholas Bellinger
68
77.27%
2
40.00%
Christoph Hellwig
18
20.45%
2
40.00%
Andy Grover
2
2.27%
1
20.00%
Total
88
100.00%
5
100.00%



static ssize_t target_stat_transport_indx_show(struct config_item *item,
		char *page)
{
	struct se_lun *lun = to_transport_stat(item);
	struct se_device *dev;
	struct se_portal_group *tpg = lun->lun_tpg;
	ssize_t ret = -ENODEV;

	rcu_read_lock();
	dev = rcu_dereference(lun->lun_se_dev);
	if (dev)
		ret = snprintf(page, PAGE_SIZE, "%u\n",
			       tpg->se_tpg_tfo->tpg_get_inst_index(tpg));
	rcu_read_unlock();
	return ret;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Nicholas Bellinger
68
78.16%
2
40.00%
Christoph Hellwig
17
19.54%
2
40.00%
Andy Grover
2
2.30%
1
20.00%
Total
87
100.00%
5
100.00%



static ssize_t target_stat_transport_dev_name_show(struct config_item *item,
		char *page)
{
	struct se_lun *lun = to_transport_stat(item);
	struct se_device *dev;
	struct se_portal_group *tpg = lun->lun_tpg;
	struct t10_wwn *wwn;
	ssize_t ret = -ENODEV;

	rcu_read_lock();
	dev = rcu_dereference(lun->lun_se_dev);
	if (dev) {
		wwn = &dev->t10_wwn;
		/* scsiTransportDevName */
		ret = snprintf(page, PAGE_SIZE, "%s+%s\n",
				tpg->se_tpg_tfo->tpg_get_wwn(tpg),
				(strlen(wwn->unit_serial)) ? wwn->unit_serial :
				wwn->vendor);
	}
	rcu_read_unlock();
	return ret;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Nicholas Bellinger
98
82.35%
2
40.00%
Christoph Hellwig
16
13.45%
2
40.00%
Andy Grover
5
4.20%
1
20.00%
Total
119
100.00%
5
100.00%



static ssize_t target_stat_transport_proto_id_show(struct config_item *item,
		char *page)
{
	struct se_lun *lun = to_transport_stat(item);
	struct se_device *dev;
	struct se_portal_group *tpg = lun->lun_tpg;
	ssize_t ret = -ENODEV;

	rcu_read_lock();
	dev = rcu_dereference(lun->lun_se_dev);
	if (dev)
		ret = snprintf(page, PAGE_SIZE, "%u\n", tpg->proto_id);
	rcu_read_unlock();
	return ret;
}

Contributors
Person
Tokens
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Commits
CommitProp
Michael Christie
82
100.00%
1
100.00%
Total
82
100.00%
1
100.00%

CONFIGFS_ATTR_RO(target_stat_transport_, inst);
CONFIGFS_ATTR_RO(target_stat_transport_, device);
CONFIGFS_ATTR_RO(target_stat_transport_, indx);
CONFIGFS_ATTR_RO(target_stat_transport_, dev_name);
CONFIGFS_ATTR_RO(target_stat_transport_, proto_id);


static struct configfs_attribute *target_stat_scsi_transport_attrs[] = {
	&target_stat_transport_attr_inst,
	&target_stat_transport_attr_device,
	&target_stat_transport_attr_indx,
	&target_stat_transport_attr_dev_name,
	&target_stat_transport_attr_proto_id,
	NULL,
};


static struct config_item_type target_stat_scsi_transport_cit = {
	.ct_attrs		= target_stat_scsi_transport_attrs,
	.ct_owner		= THIS_MODULE,
};

/*
 * Called from target_core_fabric_configfs.c:target_fabric_make_lun() to setup
 * the target port statistics groups + configfs CITs located in target_core_stat.c
 */


void target_stat_setup_port_default_groups(struct se_lun *lun)
{
	config_group_init_type_name(&lun->port_stat_grps.scsi_port_group,
			"scsi_port", &target_stat_scsi_port_cit);
	configfs_add_default_group(&lun->port_stat_grps.scsi_port_group,
			&lun->port_stat_grps.stat_group);

	config_group_init_type_name(&lun->port_stat_grps.scsi_tgt_port_group,
			"scsi_tgt_port", &target_stat_scsi_tgt_port_cit);
	configfs_add_default_group(&lun->port_stat_grps.scsi_tgt_port_group,
			&lun->port_stat_grps.stat_group);

	config_group_init_type_name(&lun->port_stat_grps.scsi_transport_group,
			"scsi_transport", &target_stat_scsi_transport_cit);
	configfs_add_default_group(&lun->port_stat_grps.scsi_transport_group,
			&lun->port_stat_grps.stat_group);
}

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Commits
CommitProp
Nicholas Bellinger
56
52.83%
1
33.33%
Christoph Hellwig
38
35.85%
1
33.33%
Andy Grover
12
11.32%
1
33.33%
Total
106
100.00%
3
100.00%

/*
 * SCSI Authorized Initiator Table
 */



static struct se_lun_acl *auth_to_lacl(struct config_item *item)
{
	struct se_ml_stat_grps *lgrps = container_of(to_config_group(item),
			struct se_ml_stat_grps, scsi_auth_intr_group);
	return container_of(lgrps, struct se_lun_acl, ml_stat_grps);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Christoph Hellwig
38
90.48%
1
50.00%
Nicholas Bellinger
4
9.52%
1
50.00%
Total
42
100.00%
2
100.00%



static ssize_t target_stat_auth_inst_show(struct config_item *item,
		char *page)
{
	struct se_lun_acl *lacl = auth_to_lacl(item);
	struct se_node_acl *nacl = lacl->se_lun_nacl;
	struct se_dev_entry *deve;
	struct se_portal_group *tpg;
	ssize_t ret;

	rcu_read_lock();
	deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
	if (!deve) {
		rcu_read_unlock();
		return -ENODEV;
	}
	tpg = nacl->se_tpg;
	/* scsiInstIndex */
	ret = snprintf(page, PAGE_SIZE, "%u\n",
			tpg->se_tpg_tfo->tpg_get_inst_index(tpg));
	rcu_read_unlock();
	return ret;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Nicholas Bellinger
101
93.52%
2
50.00%
Christoph Hellwig
5
4.63%
1
25.00%
Andy Grover
2
1.85%
1
25.00%
Total
108
100.00%
4
100.00%



static ssize_t target_stat_auth_dev_show(struct config_item *item,
		char *page)
{
	struct se_lun_acl *lacl = auth_to_lacl(item);
	struct se_node_acl *nacl = lacl->se_lun_nacl;
	struct se_dev_entry *deve;
	struct se_lun *lun;
	ssize_t ret;

	rcu_read_lock();
	deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
	if (!deve) {
		rcu_read_unlock();
		return -ENODEV;
	}
	lun = rcu_dereference(deve->se_lun);
	/* scsiDeviceIndex */
	ret = snprintf(page, PAGE_SIZE, "%u\n", lun->lun_index);
	rcu_read_unlock();
	return ret;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Nicholas Bellinger
97
91.51%
2
66.67%
Christoph Hellwig
9
8.49%
1
33.33%
Total
106
100.00%
3
100.00%



static ssize_t target_stat_auth_port_show(struct config_item *item,
		char *page)
{
	struct se_lun_acl *lacl = auth_to_lacl(item);
	struct se_node_acl *nacl = lacl->se_lun_nacl;
	struct se_dev_entry *deve;
	struct se_portal_group *tpg;
	ssize_t ret;

	rcu_read_lock();
	deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
	if (!deve) {
		rcu_read_unlock();
		return -ENODEV;
	}
	tpg = nacl->se_tpg;
	/* scsiAuthIntrTgtPortIndex */
	ret = snprintf(page, PAGE_SIZE, "%u\n", tpg->se_tpg_tfo->tpg_get_tag(tpg));
	rcu_read_unlock();
	return ret;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Nicholas Bellinger
101
93.52%
2
50.00%
Christoph Hellwig
5
4.63%
1
25.00%
Andy Grover
2
1.85%
1
25.00%
Total
108
100.00%
4
100.00%



static ssize_t target_stat_auth_indx_show(struct config_item *item,
		char *page)
{
	struct se_lun_acl *lacl = auth_to_lacl(item);
	struct se_node_acl *nacl = lacl->se_lun_nacl;
	struct se_dev_entry *deve;
	ssize_t ret;

	rcu_read_lock();
	deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
	if (!deve) {
		rcu_read_unlock();
		return -ENODEV;
	}
	/* scsiAuthIntrIndex */
	ret = snprintf(page, PAGE_SIZE, "%u\n", nacl->acl_index);
	rcu_read_unlock();
	return ret;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Nicholas Bellinger
87
94.57%
2
66.67%
Christoph Hellwig
5
5.43%
1
33.33%
Total
92
100.00%
3
100.00%



static ssize_t target_stat_auth_dev_or_port_show(struct config_item *item,
		char *page)
{
	struct se_lun_acl *lacl = auth_to_lacl(item);
	struct se_node_acl *nacl = lacl->se_lun_nacl;
	struct se_dev_entry *deve;
	ssize_t ret;

	rcu_read_lock();
	deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
	if (!deve) {
		rcu_read_unlock();
		return -ENODEV;
	}
	/* scsiAuthIntrDevOrPort */
	ret = snprintf(page, PAGE_SIZE, "%u\n", 1);
	rcu_read_unlock();
	return ret;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Nicholas Bellinger
85
94.44%
2
66.67%
Christoph Hellwig
5
5.56%
1
33.33%
Total
90
100.00%
3
100.00%



static ssize_t target_stat_auth_intr_name_show(struct config_item *item,
		char *page)
{
	struct se_lun_acl *lacl = auth_to_lacl(item);
	struct se_node_acl *nacl = lacl->se_lun_nacl;
	struct se_dev_entry *deve;
	ssize_t ret;

	rcu_read_lock();
	deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
	if (!deve) {
		rcu_read_unlock();
		return -ENODEV;
	}
	/* scsiAuthIntrName */
	ret = snprintf(page, PAGE_SIZE, "%s\n", nacl->initiatorname);
	rcu_read_unlock();
	return ret;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Nicholas Bellinger
87
94.57%
2
66.67%
Christoph Hellwig
5
5.43%
1
33.33%
Total
92
100.00%
3
100.00%



static ssize_t target_stat_auth_map_indx_show(struct config_item *item,
		char *page)
{
	struct se_lun_acl *lacl = auth_to_lacl(item);
	struct se_node_acl *nacl = lacl->se_lun_nacl;
	struct se_dev_entry *deve;
	ssize_t ret;

	rcu_read_lock();
	deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
	if (!deve) {
		rcu_read_unlock();
		return -ENODEV;
	}
	/* FIXME: scsiAuthIntrLunMapIndex */
	ret = snprintf(page, PAGE_SIZE, "%u\n", 0);
	rcu_read_unlock();
	return ret;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Nicholas Bellinger
85
94.44%
2
66.67%
Christoph Hellwig
5
5.56%
1
33.33%
Total
90
100.00%
3
100.00%



static ssize_t target_stat_auth_att_count_show(struct config_item *item,
		char *page)
{
	struct se_lun_acl *lacl = auth_to_lacl(item);
	struct se_node_acl *nacl = lacl->se_lun_nacl;
	struct se_dev_entry *deve;
	ssize_t ret;

	rcu_read_lock();
	deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
	if (!deve) {
		rcu_read_unlock();
		return -ENODEV;
	}
	/* scsiAuthIntrAttachedTimes */
	ret = snprintf(page, PAGE_SIZE, "%u\n", deve->attach_count);
	rcu_read_unlock();
	return ret;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Nicholas Bellinger
87
94.57%
2
66.67%
Christoph Hellwig
5
5.43%
1
33.33%
Total
92
100.00%
3
100.00%



static ssize_t target_stat_auth_num_cmds_show(struct config_item *item,
		char *page)
{
	struct se_lun_acl *lacl = auth_to_lacl(item);
	struct se_node_acl *nacl = lacl->se_lun_nacl;
	struct se_dev_entry *deve;
	ssize_t ret;

	rcu_read_lock();
	deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
	if (!deve) {
		rcu_read_unlock();
		return -ENODEV;
	}
	/* scsiAuthIntrOutCommands */
	ret = snprintf(page, PAGE_SIZE, "%lu\n",
		       atomic_long_read(&deve->total_cmds));
	rcu_read_unlock();
	return ret;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Nicholas Bellinger
91
94.79%
2
66.67%
Christoph Hellwig
5
5.21%
1
33.33%
Total
96
100.00%
3
100.00%



static ssize_t target_stat_auth_read_mbytes_show(struct config_item *item,
		char *page)
{
	struct se_lun_acl *lacl = auth_to_lacl(item);
	struct se_node_acl *nacl = lacl->se_lun_nacl;
	struct se_dev_entry *deve;
	ssize_t ret;

	rcu_read_lock();
	deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
	if (!deve) {
		rcu_read_unlock();
		return -ENODEV;
	}
	/* scsiAuthIntrReadMegaBytes */
	ret = snprintf(page, PAGE_SIZE, "%u\n",
		      (u32)(atomic_long_read(&deve->read_bytes) >> 20));
	rcu_read_unlock();
	return ret;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Nicholas Bellinger
98
95.15%
2
66.67%
Christoph Hellwig
5
4.85%
1
33.33%
Total
103
100.00%
3
100.00%



static ssize_t target_stat_auth_write_mbytes_show(struct config_item *item,
		char *page)
{
	struct se_lun_acl *lacl = auth_to_lacl(item);
	struct se_node_acl *nacl = lacl->se_lun_nacl;
	struct se_dev_entry *deve;
	ssize_t ret;

	rcu_read_lock();
	deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
	if (!deve) {
		rcu_read_unlock();
		return -ENODEV;
	}
	/* scsiAuthIntrWrittenMegaBytes */
	ret = snprintf(page, PAGE_SIZE, "%u\n",
		      (u32)(atomic_long_read(&deve->write_bytes) >> 20));
	rcu_read_unlock();
	return ret;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Nicholas Bellinger
98
95.15%
2
66.67%
Christoph Hellwig
5
4.85%
1
33.33%
Total
103
100.00%
3
100.00%



static ssize_t target_stat_auth_hs_num_cmds_show(struct config_item *item,
		char *page)
{
	struct se_lun_acl *lacl = auth_to_lacl(item);
	struct se_node_acl *nacl = lacl->se_lun_nacl;
	struct se_dev_entry *deve;
	ssize_t ret;

	rcu_read_lock();
	deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
	if (!deve) {
		rcu_read_unlock();
		return -ENODEV;
	}
	/* FIXME: scsiAuthIntrHSOutCommands */
	ret = snprintf(page, PAGE_SIZE, "%u\n", 0);
	rcu_read_unlock();
	return ret;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Nicholas Bellinger
85
94.44%
2
66.67%
Christoph Hellwig
5
5.56%
1
33.33%
Total
90
100.00%
3
100.00%



static ssize_t target_stat_auth_creation_time_show(struct config_item *item,
		char *page)
{
	struct se_lun_acl *lacl = auth_to_lacl(item);
	struct se_node_acl *nacl = lacl->se_lun_nacl;
	struct se_dev_entry *deve;
	ssize_t ret;

	rcu_read_lock();
	deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
	if (!deve) {
		rcu_read_unlock();
		return -ENODEV;
	}
	/* scsiAuthIntrLastCreation */
	ret = snprintf(page, PAGE_SIZE, "%u\n", (u32)(((u32)deve->creation_time -
				INITIAL_JIFFIES) * 100 / HZ));
	rcu_read_unlock();
	return ret;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Nicholas Bellinger
103
95.37%
2
66.67%
Christoph Hellwig
5
4.63%
1
33.33%
Total
108
100.00%
3
100.00%



static ssize_t target_stat_auth_row_status_show(struct config_item *item,
		char *page)
{
	struct se_lun_acl *lacl = auth_to_lacl(item);
	struct se_node_acl *nacl = lacl->se_lun_nacl;
	struct se_dev_entry *deve;
	ssize_t ret;

	rcu_read_lock();
	deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
	if (!deve) {
		rcu_read_unlock();
		return -ENODEV;
	}
	/* FIXME: scsiAuthIntrRowStatus */
	ret = snprintf(page, PAGE_SIZE, "Ready\n");
	rcu_read_unlock();
	return ret;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Nicholas Bellinger
69
78.41%
2
66.67%
Christoph Hellwig
19
21.59%
1
33.33%
Total
88
100.00%
3
100.00%

CONFIGFS_ATTR_RO(target_stat_auth_, inst);
CONFIGFS_ATTR_RO(target_stat_auth_, dev);
CONFIGFS_ATTR_RO(target_stat_auth_, port);
CONFIGFS_ATTR_RO(target_stat_auth_, indx);
CONFIGFS_ATTR_RO(target_stat_auth_, dev_or_port);
CONFIGFS_ATTR_RO(target_stat_auth_, intr_name);
CONFIGFS_ATTR_RO(target_stat_auth_, map_indx);
CONFIGFS_ATTR_RO(target_stat_auth_, att_count);
CONFIGFS_ATTR_RO(target_stat_auth_, num_cmds);
CONFIGFS_ATTR_RO(target_stat_auth_, read_mbytes);
CONFIGFS_ATTR_RO(target_stat_auth_, write_mbytes);
CONFIGFS_ATTR_RO(target_stat_auth_, hs_num_cmds);
CONFIGFS_ATTR_RO(target_stat_auth_, creation_time);
CONFIGFS_ATTR_RO(target_stat_auth_, row_status);


static struct configfs_attribute *target_stat_scsi_auth_intr_attrs[] = {
	&target_stat_auth_attr_inst,
	&target_stat_auth_attr_dev,
	&target_stat_auth_attr_port,
	&target_stat_auth_attr_indx,
	&target_stat_auth_attr_dev_or_port,
	&target_stat_auth_attr_intr_name,
	&target_stat_auth_attr_map_indx,
	&target_stat_auth_attr_att_count,
	&target_stat_auth_attr_num_cmds,
	&target_stat_auth_attr_read_mbytes,
	&target_stat_auth_attr_write_mbytes,
	&target_stat_auth_attr_hs_num_cmds,
	&target_stat_auth_attr_creation_time,
	&target_stat_auth_attr_row_status,
	NULL,
};


static struct config_item_type target_stat_scsi_auth_intr_cit = {
	.ct_attrs		= target_stat_scsi_auth_intr_attrs,
	.ct_owner		= THIS_MODULE,
};

/*
 * SCSI Attached Initiator Port Table
 */



static struct se_lun_acl *iport_to_lacl(struct config_item *item)
{
	struct se_ml_stat_grps *lgrps = container_of(to_config_group(item),
			struct se_ml_stat_grps, scsi_att_intr_port_group);
	return container_of(lgrps, struct se_lun_acl, ml_stat_grps);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Christoph Hellwig
38
90.48%
1
50.00%
Nicholas Bellinger
4
9.52%
1
50.00%
Total
42
100.00%
2
100.00%



static ssize_t target_stat_iport_inst_show(struct config_item *item,
		char *page)
{
	struct se_lun_acl *lacl = iport_to_lacl(item);
	struct se_node_acl *nacl = lacl->se_lun_nacl;
	struct se_dev_entry *deve;
	struct se_portal_group *tpg;
	ssize_t ret;

	rcu_read_lock();
	deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
	if (!deve) {
		rcu_read_unlock();
		return -ENODEV;
	}
	tpg = nacl->se_tpg;
	/* scsiInstIndex */
	ret = snprintf(page, PAGE_SIZE, "%u\n",
			tpg->se_tpg_tfo->tpg_get_inst_index(tpg));
	rcu_read_unlock();
	return ret;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Nicholas Bellinger
101
93.52%
2
50.00%
Christoph Hellwig
5
4.63%
1
25.00%
Andy Grover
2
1.85%
1
25.00%
Total
108
100.00%
4
100.00%



static ssize_t target_stat_iport_dev_show(struct config_item *item,
		char *page)
{
	struct se_lun_acl *lacl = iport_to_lacl(item);
	struct se_node_acl *nacl = lacl->se_lun_nacl;
	struct se_dev_entry *deve;
	struct se_lun *lun;
	ssize_t ret;

	rcu_read_lock();
	deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
	if (!deve) {
		rcu_read_unlock();
		return -ENODEV;
	}
	lun = rcu_dereference(deve->se_lun);
	/* scsiDeviceIndex */
	ret = snprintf(page, PAGE_SIZE, "%u\n", lun->lun_index);
	rcu_read_unlock();
	return ret;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Nicholas Bellinger
101
95.28%
2
66.67%
Christoph Hellwig
5
4.72%
1
33.33%
Total
106
100.00%
3
100.00%



static ssize_t target_stat_iport_port_show(struct config_item *item,
		char *page)
{
	struct se_lun_acl *lacl = iport_to_lacl(item);
	struct se_node_acl *nacl = lacl->se_lun_nacl;
	struct se_dev_entry *deve;
	struct se_portal_group *tpg;
	ssize_t ret;

	rcu_read_lock();
	deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
	if (!deve) {
		rcu_read_unlock();
		return -ENODEV;
	}
	tpg = nacl->se_tpg;
	/* scsiPortIndex */
	ret = snprintf(page, PAGE_SIZE, "%u\n", tpg->se_tpg_tfo->tpg_get_tag(tpg));
	rcu_read_unlock();
	return ret;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Nicholas Bellinger
101
93.52%
2
50.00%
Christoph Hellwig
5
4.63%
1
25.00%
Andy Grover
2
1.85%
1
25.00%
Total
108
100.00%
4
100.00%



static ssize_t target_stat_iport_indx_show(struct config_item *item,
		char *page)
{
	struct se_lun_acl *lacl = iport_to_lacl(item);
	struct se_node_acl *nacl = lacl->se_lun_nacl;
	struct se_session *se_sess;
	struct se_portal_group *tpg;
	ssize_t ret;

	spin_lock_irq(&nacl->nacl_sess_lock);
	se_sess = nacl->nacl_sess;
	if (!se_sess) {
		spin_unlock_irq(&nacl->nacl_sess_lock);
		return -ENODEV;
	}

	tpg = nacl->se_tpg;
	/* scsiAttIntrPortIndex */
	ret = snprintf(page, PAGE_SIZE, "%u\n",
			tpg->se_tpg_tfo->sess_get_index(se_sess));
	spin_unlock_irq(&nacl->nacl_sess_lock);
	return ret;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Nicholas Bellinger
111
94.07%
1
33.33%
Christoph Hellwig
5
4.24%
1
33.33%
Andy Grover
2
1.69%
1
33.33%
Total
118
100.00%
3
100.00%



static ssize_t target_stat_iport_port_auth_indx_show(struct config_item *item,
		char *page)
{
	struct se_lun_acl *lacl = iport_to_lacl(item);
	struct se_node_acl *nacl = lacl->se_lun_nacl;
	struct se_dev_entry *deve;
	ssize_t ret;

	rcu_read_lock();
	deve = target_nacl_find_deve(nacl, lacl->mapped_lun);
	if (!deve) {
		rcu_read_unlock();
		return -ENODEV;
	}
	/* scsiAttIntrPortAuthIntrIdx */
	ret = snprintf(page, PAGE_SIZE, "%u\n", nacl->acl_index);
	rcu_read_unlock();
	return ret;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Nicholas Bellinger
87
94.57%
2
66.67%
Christoph Hellwig
5
5.43%
1
33.33%
Total
92
100.00%
3
100.00%



static ssize_t target_stat_iport_port_ident_show(struct config_item *item,
		char *page)
{
	struct se_lun_acl *lacl = iport_to_lacl(item);
	struct se_node_acl *nacl = lacl->se_lun_nacl;
	struct se_session *se_sess;
	struct se_portal_group *tpg;
	ssize_t ret;
	unsigned char buf[64];

	spin_lock_irq(&nacl->nacl_sess_lock);
	se_sess = nacl->nacl_sess;
	if (!se_sess) {
		spin_unlock_irq(&nacl->nacl_sess_lock);
		return -ENODEV;
	}

	tpg = nacl->se_tpg;
	/* scsiAttIntrPortName+scsiAttIntrPortIdentifier */
	memset(buf, 0, 64);
	if (tpg->se_tpg_tfo->sess_get_initiator_sid != NULL)
		tpg->se_tpg_tfo->sess_get_initiator_sid(se_sess, buf, 64);

	ret = snprintf(page, PAGE_SIZE, "%s+i+%s\n", nacl->initiatorname, buf);
	spin_unlock_irq(&nacl->nacl_sess_lock);
	return ret;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Nicholas Bellinger
145
94.16%
1
33.33%
Christoph Hellwig
5
3.25%
1
33.33%
Andy Grover
4
2.60%
1
33.33%
Total
154
100.00%
3
100.00%

CONFIGFS_ATTR_RO(target_stat_iport_, inst);
CONFIGFS_ATTR_RO(target_stat_iport_, dev);
CONFIGFS_ATTR_RO(target_stat_iport_, port);
CONFIGFS_ATTR_RO(target_stat_iport_, indx);
CONFIGFS_ATTR_RO(target_stat_iport_, port_auth_indx);
CONFIGFS_ATTR_RO(target_stat_iport_, port_ident);


static struct configfs_attribute *target_stat_scsi_ath_intr_port_attrs[] = {
	&target_stat_iport_attr_inst,
	&target_stat_iport_attr_dev,
	&target_stat_iport_attr_port,
	&target_stat_iport_attr_indx,
	&target_stat_iport_attr_port_auth_indx,
	&target_stat_iport_attr_port_ident,
	NULL,
};


static struct config_item_type target_stat_scsi_att_intr_port_cit = {
	.ct_attrs		= target_stat_scsi_ath_intr_port_attrs,
	.ct_owner		= THIS_MODULE,
};

/*
 * Called from target_core_fabric_configfs.c:target_fabric_make_mappedlun() to setup
 * the target MappedLUN statistics groups + configfs CITs located in target_core_stat.c
 */


void target_stat_setup_mappedlun_default_groups(struct se_lun_acl *lacl)
{
	config_group_init_type_name(&lacl->ml_stat_grps.scsi_auth_intr_group,
			"scsi_auth_intr", &target_stat_scsi_auth_intr_cit);
	configfs_add_default_group(&lacl->ml_stat_grps.scsi_auth_intr_group,
			&lacl->ml_stat_grps.stat_group);

	config_group_init_type_name(&lacl->ml_stat_grps.scsi_att_intr_port_group,
			"scsi_att_intr_port", &target_stat_scsi_att_intr_port_cit);
	configfs_add_default_group(&lacl->ml_stat_grps.scsi_att_intr_port_group,
			&lacl->ml_stat_grps.stat_group);
}
Contributors
Person
Tokens
Prop
Commits
CommitProp
Nicholas Bellinger
42
56.76%
1
33.33%
Christoph Hellwig
22
29.73%
1
33.33%
Andy Grover
10
13.51%
1
33.33%
Total
74
100.00%
3
100.00%

Overall Contributors
Person
Tokens
Prop
Commits
CommitProp
Nicholas Bellinger
4844
73.66%
6
40.00%
Christoph Hellwig
1476
22.45%
6
40.00%
Andy Grover
163
2.48%
1
6.67%
Michael Christie
92
1.40%
1
6.67%
David Disseldorp
1
0.02%
1
6.67%
Total
6576
100.00%
15
100.00%
Directory: drivers/target

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