erst.c File Reference

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/io.h>
#include <linux/acpi.h>
#include <linux/uaccess.h>
#include <linux/cper.h>
#include <linux/nmi.h>
#include <linux/hardirq.h>
#include <linux/pstore.h>
#include <acpi/apei.h>
#include "apei-internal.h"

Go to the source code of this file.

Data Structures
struct	erst_erange
struct	erst_record_id_cache
struct	cper_pstore_record

Macros
#define	ERST_PFX   "ERST: "
#define	ERST_STATUS_SUCCESS   0x0
#define	ERST_STATUS_NOT_ENOUGH_SPACE   0x1
#define	ERST_STATUS_HARDWARE_NOT_AVAILABLE   0x2
#define	ERST_STATUS_FAILED   0x3
#define	ERST_STATUS_RECORD_STORE_EMPTY   0x4
#define	ERST_STATUS_RECORD_NOT_FOUND   0x5
#define	ERST_TAB_ENTRY(tab)
#define	SPIN_UNIT   100 /* 100ns */
#define	FIRMWARE_TIMEOUT   (1 * NSEC_PER_MSEC)
#define	FIRMWARE_MAX_STALL   50 /* 50us */
#define	ERST_RANGE_RESERVED   0x0001
#define	ERST_RANGE_NVRAM   0x0002
#define	ERST_RANGE_SLOW   0x0004
#define	ERST_RECORD_ID_CACHE_SIZE_MIN   16
#define	ERST_RECORD_ID_CACHE_SIZE_MAX   1024
#define	CPER_CREATOR_PSTORE
#define	CPER_SECTION_TYPE_DMESG
#define	CPER_SECTION_TYPE_MCE

Functions
	EXPORT_SYMBOL_GPL (erst_disable)
ssize_t	erst_get_record_count (void)
	EXPORT_SYMBOL_GPL (erst_get_record_count)
int	erst_get_record_id_begin (int *pos)
	EXPORT_SYMBOL_GPL (erst_get_record_id_begin)
int	erst_get_record_id_next (int *pos, u64 *record_id)
	EXPORT_SYMBOL_GPL (erst_get_record_id_next)
void	erst_get_record_id_end (void)
	EXPORT_SYMBOL_GPL (erst_get_record_id_end)
int	erst_write (const struct cper_record_header *record)
	EXPORT_SYMBOL_GPL (erst_write)
ssize_t	erst_read (u64 record_id, struct cper_record_header *record, size_t buflen)
	EXPORT_SYMBOL_GPL (erst_read)
int	erst_clear (u64 record_id)
	EXPORT_SYMBOL_GPL (erst_clear)
	__setup ("erst_disable", setup_erst_disable)
	device_initcall (erst_init)

Variables
int	erst_disable
struct cper_pstore_record	__packed

Macro Definition Documentation

#define CPER_CREATOR_PSTORE

Value:

UUID_LE(0x75a574e3, 0x5052, 0x4b29, 0x8a, 0x8e, 0xbe, 0x2c, \
        0x64, 0x90, 0xb8, 0x9d)

Definition at line 953 of file erst.c.

#define CPER_SECTION_TYPE_DMESG

Value:

UUID_LE(0xc197e04e, 0xd545, 0x4a70, 0x9c, 0x17, 0xa5, 0x54, \
        0x94, 0x19, 0xeb, 0x12)

Definition at line 956 of file erst.c.

#define CPER_SECTION_TYPE_MCE

Value:

UUID_LE(0xfe08ffbe, 0x95e4, 0x4be7, 0xbc, 0x73, 0x40, 0x96, \
        0x04, 0x4a, 0x38, 0xfc)

Definition at line 959 of file erst.c.

#define ERST_PFX   "ERST: "

Definition at line 42 of file erst.c.

#define ERST_RANGE_NVRAM   0x0002

Definition at line 68 of file erst.c.

#define ERST_RANGE_RESERVED   0x0001

Definition at line 67 of file erst.c.

#define ERST_RANGE_SLOW   0x0004

Definition at line 69 of file erst.c.

#define ERST_RECORD_ID_CACHE_SIZE_MAX   1024

Definition at line 434 of file erst.c.

#define ERST_RECORD_ID_CACHE_SIZE_MIN   16

Definition at line 433 of file erst.c.

#define ERST_STATUS_FAILED   0x3

Definition at line 48 of file erst.c.

#define ERST_STATUS_HARDWARE_NOT_AVAILABLE   0x2

Definition at line 47 of file erst.c.

#define ERST_STATUS_NOT_ENOUGH_SPACE   0x1

Definition at line 46 of file erst.c.

#define ERST_STATUS_RECORD_NOT_FOUND   0x5

Definition at line 50 of file erst.c.

#define ERST_STATUS_RECORD_STORE_EMPTY   0x4

Definition at line 49 of file erst.c.

#define ERST_STATUS_SUCCESS   0x0

Definition at line 45 of file erst.c.

#define ERST_TAB_ENTRY

(

tab

)

Value:

((struct acpi_whea_header *)((char *)(tab) +            \
                     sizeof(struct acpi_table_erst)))

Definition at line 52 of file erst.c.

#define FIRMWARE_MAX_STALL   50 /* 50us */

Definition at line 59 of file erst.c.

#define FIRMWARE_TIMEOUT   (1 * NSEC_PER_MSEC)

Definition at line 58 of file erst.c.

#define SPIN_UNIT   100 /* 100ns */

Definition at line 56 of file erst.c.

Function Documentation

__setup	(	"erst_disable"	,
		setup_erst_disable
	)

device_initcall

(

erst_init

)

int erst_clear

(

u64

record_id

)

Definition at line 876 of file erst.c.

ssize_t erst_get_record_count

(

void

)

Definition at line 417 of file erst.c.

int erst_get_record_id_begin

(

int *

pos

)

Definition at line 463 of file erst.c.

void erst_get_record_id_end

(

void

)

Definition at line 620 of file erst.c.

int erst_get_record_id_next	(	int *	pos,
		u64 *	record_id
	)

Definition at line 556 of file erst.c.

ssize_t erst_read	(	u64	record_id,
		struct cper_record_header *	record,
		size_t	buflen
	)

Definition at line 860 of file erst.c.

int erst_write

(

const struct cper_record_header *

record

)

Definition at line 784 of file erst.c.

EXPORT_SYMBOL_GPL

(

erst_disable

)

EXPORT_SYMBOL_GPL

(

erst_get_record_count

)

EXPORT_SYMBOL_GPL

(

erst_get_record_id_begin

)

EXPORT_SYMBOL_GPL

(

erst_get_record_id_next

)

EXPORT_SYMBOL_GPL

(

erst_get_record_id_end

)

EXPORT_SYMBOL_GPL

(

erst_write

)

EXPORT_SYMBOL_GPL

(

erst_read

)

EXPORT_SYMBOL_GPL

(

erst_clear

)

Variable Documentation

struct cper_pstore_record __packed

int erst_disable

Definition at line 61 of file erst.c.