dmi-sysfs.c File Reference

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/types.h>
#include <linux/kobject.h>
#include <linux/dmi.h>
#include <linux/capability.h>
#include <linux/slab.h>
#include <linux/list.h>
#include <linux/io.h>

Go to the source code of this file.

Data Structures
struct	dmi_sysfs_entry
struct	dmi_sysfs_attribute
struct	dmi_sysfs_mapped_attribute
struct	find_dmi_data
struct	dmi_read_state
struct	dmi_entry_attr_show_data
struct	dmi_system_event_log

Macros
#define	MAX_ENTRY_TYPE
#define	DMI_SYSFS_ATTR(_entry, _name)
#define	DMI_SYSFS_MAPPED_ATTR(_entry, _name)
#define	DMI_SEL_ACCESS_METHOD_IO8   0x00
#define	DMI_SEL_ACCESS_METHOD_IO2x8   0x01
#define	DMI_SEL_ACCESS_METHOD_IO16   0x02
#define	DMI_SEL_ACCESS_METHOD_PHYS32   0x03
#define	DMI_SEL_ACCESS_METHOD_GPNV   0x04
#define	DMI_SYSFS_SEL_FIELD(_field)

Typedefs
typedef ssize_t(*	dmi_callback )(struct dmi_sysfs_entry *, const struct dmi_header *dh, void *)
typedef u8(*	sel_io_reader )(const struct dmi_system_event_log *sel, loff_t offset)

Functions
	DMI_SYSFS_SEL_FIELD (area_length)
	DMI_SYSFS_SEL_FIELD (header_start_offset)
	DMI_SYSFS_SEL_FIELD (data_start_offset)
	DMI_SYSFS_SEL_FIELD (access_method)
	DMI_SYSFS_SEL_FIELD (status)
	DMI_SYSFS_SEL_FIELD (change_token)
	DMI_SYSFS_SEL_FIELD (access_method_address)
	DMI_SYSFS_SEL_FIELD (header_format)
	DMI_SYSFS_SEL_FIELD (type_descriptors_supported_count)
	DMI_SYSFS_SEL_FIELD (per_log_type_descriptor_length)
	module_init (dmi_sysfs_init)
	module_exit (dmi_sysfs_exit)
	MODULE_AUTHOR ("Mike Waychison <[email protected]>")
	MODULE_DESCRIPTION ("DMI sysfs support")
	MODULE_LICENSE ("GPL")

Variables
struct dmi_system_event_log	__packed

Macro Definition Documentation

#define DMI_SEL_ACCESS_METHOD_GPNV   0x04

Definition at line 240 of file dmi-sysfs.c.

#define DMI_SEL_ACCESS_METHOD_IO16   0x02

Definition at line 238 of file dmi-sysfs.c.

#define DMI_SEL_ACCESS_METHOD_IO2x8   0x01

Definition at line 237 of file dmi-sysfs.c.

#define DMI_SEL_ACCESS_METHOD_IO8   0x00

Definition at line 236 of file dmi-sysfs.c.

#define DMI_SEL_ACCESS_METHOD_PHYS32   0x03

Definition at line 239 of file dmi-sysfs.c.

#define DMI_SYSFS_ATTR	(		_entry,
			_name
	)

Value:

struct dmi_sysfs_attribute dmi_sysfs_attr_##_entry##_##_name = { \
    .attr = {.name = __stringify(_name), .mode = 0400}, \
    .show = dmi_sysfs_##_entry##_##_name, \
}

Definition at line 54 of file dmi-sysfs.c.

#define DMI_SYSFS_MAPPED_ATTR	(		_entry,
			_name
	)

Value:

struct dmi_sysfs_mapped_attribute dmi_sysfs_attr_##_entry##_##_name = { \
    .attr = {.name = __stringify(_name), .mode = 0400}, \
    .show = dmi_sysfs_##_entry##_##_name, \
}

Definition at line 71 of file dmi-sysfs.c.

#define DMI_SYSFS_SEL_FIELD

(

_field

)

Value:

static ssize_t dmi_sysfs_sel_##_field(struct dmi_sysfs_entry *entry, \
                      const struct dmi_header *dh, \
                      char *buf) \
{ \
	struct dmi_system_event_log sel; \
    if (sizeof(sel) > dmi_entry_length(dh)) \
        return -EIO; \
    memcpy(&sel, dh, sizeof(sel)); \
    return sprintf(buf, "%u\n", sel._field); \
} \
static DMI_SYSFS_MAPPED_ATTR(sel, _field)

Definition at line 265 of file dmi-sysfs.c.

#define MAX_ENTRY_TYPE

Value:

255 /* Most of these aren't used, but we consider
                  the top entry type is only 8 bits */

Definition at line 29 of file dmi-sysfs.c.

Typedef Documentation

typedef ssize_t(* dmi_callback)(struct dmi_sysfs_entry *, const struct dmi_header *dh, void *)

Definition at line 112 of file dmi-sysfs.c.

typedef u8(* sel_io_reader)(const struct dmi_system_event_log *sel, loff_t offset)

Definition at line 310 of file dmi-sysfs.c.

Function Documentation

DMI_SYSFS_SEL_FIELD

(

area_length

)

DMI_SYSFS_SEL_FIELD

(

header_start_offset

)

DMI_SYSFS_SEL_FIELD

(

data_start_offset

)

DMI_SYSFS_SEL_FIELD

(

access_method

)

DMI_SYSFS_SEL_FIELD

(

status

)

DMI_SYSFS_SEL_FIELD

(

change_token

)

DMI_SYSFS_SEL_FIELD

(

access_method_address

)

DMI_SYSFS_SEL_FIELD

(

header_format

)

DMI_SYSFS_SEL_FIELD

(

type_descriptors_supported_count

)

DMI_SYSFS_SEL_FIELD

(

per_log_type_descriptor_length

)

MODULE_AUTHOR

(

"Mike Waychison <[email protected]>"

)

MODULE_DESCRIPTION

(

"DMI sysfs support"

)

module_exit

(

dmi_sysfs_exit

)

module_init

(

dmi_sysfs_init

)

MODULE_LICENSE

(

"GPL"

)

Variable Documentation

struct dmi_system_event_log __packed