1/*
2 * apei.h - ACPI Platform Error Interface
3 */
4
5#ifndef ACPI_APEI_H
6#define ACPI_APEI_H
7
8#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
19extern bool hest_disable;
20extern int erst_disable;
21#ifdef CONFIG_ACPI_APEI_GHES
22extern bool ghes_disable;
23#else
24#define ghes_disable 1
25#endif
26
27#ifdef CONFIG_ACPI_APEI
28void __init acpi_hest_init(void);
29#else
30static inline void acpi_hest_init(void) { return; }
31#endif
32
33typedef 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
36int erst_write(const struct cper_record_header *record);
37ssize_t erst_get_record_count(void);
38int 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);
41ssize_t erst_read(u64 record_id, struct cper_record_header *record,
42		  size_t buflen);
43int erst_clear(u64 record_id);
44
45int arch_apei_enable_cmcff(struct acpi_hest_header *hest_hdr, void *data);
46void arch_apei_report_mem_error(int sev, struct cper_sec_mem_err *mem_err);
47void arch_apei_flush_tlb_one(unsigned long addr);
48
49#endif
50#endif
51