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Huang Ying9dc96662010-05-18 14:35:13 +08001/*
2 * apei.h - ACPI Platform Error Interface
3 */
4
5#ifndef ACPI_APEI_H
6#define ACPI_APEI_H
7
Huang Yinga08f82d2010-05-18 14:35:21 +08008#include <linux/acpi.h>
9#include <linux/cper.h>
10#include <asm/ioctls.h>
11
12#define APEI_ERST_INVALID_RECORD_ID 0xffffffffffffffffULL
13
14#define APEI_ERST_CLEAR_RECORD _IOW('E', 1, u64)
15#define APEI_ERST_GET_RECORD_COUNT _IOR('E', 2, u32)
16
17#ifdef __KERNEL__
18
Huang Ying9dc96662010-05-18 14:35:13 +080019extern int hest_disable;
Huang Yinga08f82d2010-05-18 14:35:21 +080020extern int erst_disable;
Len Browna7e09d42011-07-16 18:14:21 -040021#ifdef CONFIG_ACPI_APEI_GHES
Huang Yingb6a95012011-07-13 13:14:19 +080022extern int ghes_disable;
Len Browna7e09d42011-07-16 18:14:21 -040023#else
24#define ghes_disable 1
25#endif
Huang Ying9dc96662010-05-18 14:35:13 +080026
Rafael J. Wysocki415e12b2011-01-07 00:55:09 +010027#ifdef CONFIG_ACPI_APEI
28void __init acpi_hest_init(void);
29#else
30static inline void acpi_hest_init(void) { return; }
31#endif
32
Huang Ying9dc96662010-05-18 14:35:13 +080033typedef int (*apei_hest_func_t)(struct acpi_hest_header *hest_hdr, void *data);
34int apei_hest_parse(apei_hest_func_t func, void *data);
35
Huang Yinga08f82d2010-05-18 14:35:21 +080036int erst_write(const struct cper_record_header *record);
37ssize_t erst_get_record_count(void);
Huang Ying885b9762011-02-21 13:54:41 +080038int erst_get_record_id_begin(int *pos);
39int erst_get_record_id_next(int *pos, u64 *record_id);
40void erst_get_record_id_end(void);
Huang Yinga08f82d2010-05-18 14:35:21 +080041ssize_t erst_read(u64 record_id, struct cper_record_header *record,
42 size_t buflen);
Huang Yinga08f82d2010-05-18 14:35:21 +080043int erst_clear(u64 record_id);
44
45#endif
Huang Ying9dc96662010-05-18 14:35:13 +080046#endif