zfcp_sysfs.c File Reference

#include <linux/slab.h>
#include "zfcp_ext.h"

Go to the source code of this file.

Macros
#define	KMSG_COMPONENT   "zfcp"
#define	pr_fmt(fmt)   KMSG_COMPONENT ": " fmt
#define	ZFCP_DEV_ATTR(_feat, _name, _mode, _show, _store)
#define	ZFCP_DEFINE_ATTR(_feat_def, _feat, _name, _format, _value)
#define	ZFCP_DEFINE_A_ATTR(_name, _format, _value)
#define	ZFCP_DEFINE_LATENCY_ATTR(_name)
#define	ZFCP_DEFINE_SCSI_ATTR(_name, _format, _value)
#define	ZFCP_SHOST_ATTR(_name, _format, _arg...)

Functions
	ZFCP_DEFINE_A_ATTR (status,"0x%08x\n", atomic_read(&adapter->status))
	ZFCP_DEFINE_A_ATTR (peer_wwnn,"0x%016llx\n",(unsigned long long) adapter->peer_wwnn)
	ZFCP_DEFINE_A_ATTR (peer_wwpn,"0x%016llx\n",(unsigned long long) adapter->peer_wwpn)
	ZFCP_DEFINE_A_ATTR (peer_d_id,"0x%06x\n", adapter->peer_d_id)
	ZFCP_DEFINE_A_ATTR (card_version,"0x%04x\n", adapter->hydra_version)
	ZFCP_DEFINE_A_ATTR (lic_version,"0x%08x\n", adapter->fsf_lic_version)
	ZFCP_DEFINE_A_ATTR (hardware_version,"0x%08x\n", adapter->hardware_version)
	ZFCP_DEFINE_A_ATTR (in_recovery,"%d\n",(atomic_read(&adapter->status)&ZFCP_STATUS_COMMON_ERP_INUSE)!=0)
	ZFCP_DEFINE_ATTR (zfcp_port, port, status,"0x%08x\n", atomic_read(&port->status))
	ZFCP_DEFINE_ATTR (zfcp_port, port, in_recovery,"%d\n",(atomic_read(&port->status)&ZFCP_STATUS_COMMON_ERP_INUSE)!=0)
	ZFCP_DEFINE_ATTR (zfcp_port, port, access_denied,"%d\n",(atomic_read(&port->status)&ZFCP_STATUS_COMMON_ACCESS_DENIED)!=0)
	ZFCP_DEFINE_ATTR (zfcp_unit, unit, status,"0x%08x\n", zfcp_unit_sdev_status(unit))
	ZFCP_DEFINE_ATTR (zfcp_unit, unit, in_recovery,"%d\n",(zfcp_unit_sdev_status(unit)&ZFCP_STATUS_COMMON_ERP_INUSE)!=0)
	ZFCP_DEFINE_ATTR (zfcp_unit, unit, access_denied,"%d\n",(zfcp_unit_sdev_status(unit)&ZFCP_STATUS_COMMON_ACCESS_DENIED)!=0)
	ZFCP_DEFINE_ATTR (zfcp_unit, unit, access_shared,"%d\n",(zfcp_unit_sdev_status(unit)&ZFCP_STATUS_LUN_SHARED)!=0)
	ZFCP_DEFINE_ATTR (zfcp_unit, unit, access_readonly,"%d\n",(zfcp_unit_sdev_status(unit)&ZFCP_STATUS_LUN_READONLY)!=0)
	DEFINE_MUTEX (zfcp_sysfs_port_units_mutex)
	ZFCP_DEFINE_LATENCY_ATTR (read)
	ZFCP_DEFINE_LATENCY_ATTR (write)
	ZFCP_DEFINE_LATENCY_ATTR (cmd)
	ZFCP_DEFINE_SCSI_ATTR (hba_id,"%s\n", dev_name(&port->adapter->ccw_device->dev))
	ZFCP_DEFINE_SCSI_ATTR (wwpn,"0x%016llx\n",(unsigned long long) port->wwpn)
	ZFCP_SHOST_ATTR (requests,"%llu %llu %llu\n",(unsigned long long) stat_info.input_req,(unsigned long long) stat_info.output_req,(unsigned long long) stat_info.control_req)
	ZFCP_SHOST_ATTR (megabytes,"%llu %llu\n",(unsigned long long) stat_info.input_mb,(unsigned long long) stat_info.output_mb)
	ZFCP_SHOST_ATTR (seconds_active,"%llu\n",(unsigned long long) stat_info.seconds_act)

Variables
struct attribute_group	zfcp_sysfs_adapter_attrs
struct attribute_group	zfcp_sysfs_port_attrs
struct attribute_group	zfcp_sysfs_unit_attrs
struct device_attribute *	zfcp_sysfs_sdev_attrs []
struct device_attribute *	zfcp_sysfs_shost_attrs []

Macro Definition Documentation

#define KMSG_COMPONENT   "zfcp"

Definition at line 9 of file zfcp_sysfs.c.

#define pr_fmt

(

fmt

)

KMSG_COMPONENT ": " fmt

Definition at line 10 of file zfcp_sysfs.c.

#define ZFCP_DEFINE_A_ATTR	(		_name,
			_format,
			_value
	)

Value:

static ssize_t zfcp_sysfs_adapter_##_name##_show(struct device *dev,         \
                         struct device_attribute *at,\
                         char *buf)          \
{                                        \
	struct ccw_device *cdev = to_ccwdev(dev);               \
	struct zfcp_adapter *adapter = zfcp_ccw_adapter_by_cdev(cdev);      \
    int i;                                   \
									     \
	if (!adapter)                               \
        return -ENODEV;                          \
                                         \
    i = sprintf(buf, _format, _value);                   \
    zfcp_ccw_adapter_put(adapter);                       \
    return i;                                \
}                                        \
static ZFCP_DEV_ATTR(adapter, _name, S_IRUGO,                    \
             zfcp_sysfs_adapter_##_name##_show, NULL);

Definition at line 30 of file zfcp_sysfs.c.

#define ZFCP_DEFINE_ATTR	(		_feat_def,
			_feat,
			_name,
			_format,
			_value
	)

Value:

static ssize_t zfcp_sysfs_##_feat##_##_name##_show(struct device *dev,         \
                           struct device_attribute *at,\
                           char *buf)              \
{                                          \
	struct _feat_def *_feat = container_of(dev, struct _feat_def, dev);    \
                                           \
    return sprintf(buf, _format, _value);                      \
}                                          \
static ZFCP_DEV_ATTR(_feat, _name, S_IRUGO,                    \
             zfcp_sysfs_##_feat##_##_name##_show, NULL);

Definition at line 18 of file zfcp_sysfs.c.

#define ZFCP_DEFINE_LATENCY_ATTR

(

_name

)

Definition at line 365 of file zfcp_sysfs.c.

#define ZFCP_DEFINE_SCSI_ATTR	(		_name,
			_format,
			_value
	)

Value:

static ssize_t zfcp_sysfs_scsi_##_name##_show(struct device *dev,   \
                          struct device_attribute *attr,\
                          char *buf)                 \
{                                                                        \
	struct scsi_device *sdev = to_scsi_device(dev);             \
	struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(sdev);       \
	struct zfcp_port *port = zfcp_sdev->port;           \
                                     \
    return sprintf(buf, _format, _value);                            \
}                                                                        \
static DEVICE_ATTR(_name, S_IRUGO, zfcp_sysfs_scsi_##_name##_show, NULL);

Definition at line 426 of file zfcp_sysfs.c.

#define ZFCP_DEV_ATTR	(		_feat,
			_name,
			_mode,
			_show,
			_store
	)

Value:

struct device_attribute dev_attr_##_feat##_##_name = __ATTR(_name, _mode,\
                                _show, _store)

Definition at line 15 of file zfcp_sysfs.c.

#define ZFCP_SHOST_ATTR	(		_name,
			_format,
			_arg...
	)

Value:

static ssize_t zfcp_sysfs_adapter_##_name##_show(struct device *dev,    \
                         struct device_attribute *attr,\
                         char *buf)     \
{                                   \
	struct fsf_statistics_info stat_info;              \
    int retval;                         \
                                    \
    retval = zfcp_sysfs_adapter_ex_config(dev, &stat_info);     \
    if (retval)                         \
        return retval;                      \
                                    \
    return sprintf(buf, _format, ## _arg);              \
}                                   \
static DEVICE_ATTR(_name, S_IRUGO, zfcp_sysfs_adapter_##_name##_show, NULL);

Definition at line 515 of file zfcp_sysfs.c.

Function Documentation

DEFINE_MUTEX

(

zfcp_sysfs_port_units_mutex

)

ZFCP_DEFINE_A_ATTR	(	status	,
		"0x%08x\n"	,
		atomic_read &->	status
	)

ZFCP_DEFINE_A_ATTR	(	peer_wwnn	,
		"0x%016llx\n"	,
		(unsigned long long) adapter->	peer_wwnn
	)

ZFCP_DEFINE_A_ATTR	(	peer_wwpn	,
		"0x%016llx\n"	,
		(unsigned long long) adapter->	peer_wwpn
	)

ZFCP_DEFINE_A_ATTR	(	peer_d_id	,
		"0x%06x\n"	,
		adapter->	peer_d_id
	)

ZFCP_DEFINE_A_ATTR	(	card_version	,
		"0x%04x\n"	,
		adapter->	hydra_version
	)

ZFCP_DEFINE_A_ATTR	(	lic_version	,
		"0x%08x\n"	,
		adapter->	fsf_lic_version
	)

ZFCP_DEFINE_A_ATTR	(	hardware_version	,
		"0x%08x\n"	,
		adapter->	hardware_version
	)

ZFCP_DEFINE_A_ATTR	(	in_recovery	,
		"%d\n"	,
		(atomic_read(&adapter->status)&ZFCP_STATUS_COMMON_ERP_INUSE)!	= 0
	)

ZFCP_DEFINE_ATTR	(	zfcp_port	,
		port	,
		status	,
		"0x%08x\n"	,
		atomic_read &->	status
	)

ZFCP_DEFINE_ATTR	(	zfcp_port	,
		port	,
		in_recovery	,
		"%d\n"	,
		(atomic_read(&port->status)&ZFCP_STATUS_COMMON_ERP_INUSE)!	= 0
	)

ZFCP_DEFINE_ATTR	(	zfcp_port	,
		port	,
		access_denied	,
		"%d\n"	,
		(atomic_read(&port->status)&ZFCP_STATUS_COMMON_ACCESS_DENIED)!	= 0
	)

ZFCP_DEFINE_ATTR	(	zfcp_unit	,
		unit	,
		status	,
		"0x%08x\n"	,
		zfcp_unit_sdev_status(unit)
	)

ZFCP_DEFINE_ATTR	(	zfcp_unit	,
		unit	,
		in_recovery	,
		"%d\n"	,
		(zfcp_unit_sdev_status(unit)&ZFCP_STATUS_COMMON_ERP_INUSE)!	= 0
	)

ZFCP_DEFINE_ATTR	(	zfcp_unit	,
		unit	,
		access_denied	,
		"%d\n"	,
		(zfcp_unit_sdev_status(unit)&ZFCP_STATUS_COMMON_ACCESS_DENIED)!	= 0
	)

ZFCP_DEFINE_ATTR	(	zfcp_unit	,
		unit	,
		access_shared	,
		"%d\n"	,
		(zfcp_unit_sdev_status(unit)&ZFCP_STATUS_LUN_SHARED)!	= 0
	)

ZFCP_DEFINE_ATTR	(	zfcp_unit	,
		unit	,
		access_readonly	,
		"%d\n"	,
		(zfcp_unit_sdev_status(unit)&ZFCP_STATUS_LUN_READONLY)!	= 0
	)

ZFCP_DEFINE_LATENCY_ATTR

(

read

)

ZFCP_DEFINE_LATENCY_ATTR

(

write

)

ZFCP_DEFINE_LATENCY_ATTR

(

cmd

)

ZFCP_DEFINE_SCSI_ATTR	(	hba_id	,
		"%s\n"	,
		dev_name &->->->	dev
	)

ZFCP_DEFINE_SCSI_ATTR	(	wwpn	,
		"0x%016llx\n"	,
		(unsigned long long) port->	wwpn
	)

ZFCP_SHOST_ATTR	(	requests	,
		"%llu %llu %llu\n"	,
		(unsigned long long) stat_info.	input_req,
		(unsigned long long) stat_info.	output_req,
		(unsigned long long) stat_info.	control_req
	)

ZFCP_SHOST_ATTR	(	megabytes	,
		"%llu %llu\n"	,
		(unsigned long long) stat_info.	input_mb,
		(unsigned long long) stat_info.	output_mb
	)

ZFCP_SHOST_ATTR	(	seconds_active	,
		"%llu\n"	,
		(unsigned long long) stat_info.	seconds_act
	)

Variable Documentation

struct attribute_group zfcp_sysfs_adapter_attrs

Initial value:

= {
    .attrs = zfcp_adapter_attrs,
}

Definition at line 294 of file zfcp_sysfs.c.

struct attribute_group zfcp_sysfs_port_attrs

Initial value:

= {
    .attrs = zfcp_port_attrs,
}

zfcp_sysfs_port_attrs - sysfs attributes for all other ports

Definition at line 347 of file zfcp_sysfs.c.

struct device_attribute* zfcp_sysfs_sdev_attrs[]

Initial value:

= {
    &dev_attr_fcp_lun,
    &dev_attr_wwpn,
    &dev_attr_hba_id,
    &dev_attr_read_latency,
    &dev_attr_write_latency,
    &dev_attr_cmd_latency,
    NULL
}

Definition at line 454 of file zfcp_sysfs.c.

struct device_attribute* zfcp_sysfs_shost_attrs[]

Initial value:

= {
    &dev_attr_utilization,
    &dev_attr_requests,
    &dev_attr_megabytes,
    &dev_attr_seconds_active,
    &dev_attr_queue_full,
    NULL
}

Definition at line 561 of file zfcp_sysfs.c.

struct attribute_group zfcp_sysfs_unit_attrs

Initial value:

= {
    .attrs = zfcp_unit_attrs,
}

Definition at line 361 of file zfcp_sysfs.c.