1 | /* SPDX-License-Identifier: GPL-2.0 */ |
2 | /* |
3 | * apei.h - ACPI Platform Error Interface |
4 | */ |
5 | |
6 | #ifndef ACPI_APEI_H |
7 | #define ACPI_APEI_H |
8 | |
9 | #include <linux/acpi.h> |
10 | #include <linux/cper.h> |
11 | #include <asm/ioctls.h> |
12 | |
13 | #define APEI_ERST_INVALID_RECORD_ID 0xffffffffffffffffULL |
14 | |
15 | #define APEI_ERST_CLEAR_RECORD _IOW('E', 1, u64) |
16 | #define APEI_ERST_GET_RECORD_COUNT _IOR('E', 2, u32) |
17 | |
18 | #ifdef __KERNEL__ |
19 | |
20 | enum hest_status { |
21 | HEST_ENABLED, |
22 | HEST_DISABLED, |
23 | HEST_NOT_FOUND, |
24 | }; |
25 | |
26 | extern int hest_disable; |
27 | extern int erst_disable; |
28 | #ifdef CONFIG_ACPI_APEI_GHES |
29 | extern bool ghes_disable; |
30 | void __init acpi_ghes_init(void); |
31 | #else |
32 | #define ghes_disable 1 |
33 | static inline void acpi_ghes_init(void) { } |
34 | #endif |
35 | |
36 | #ifdef CONFIG_ACPI_APEI |
37 | void __init acpi_hest_init(void); |
38 | #else |
39 | static inline void acpi_hest_init(void) { } |
40 | #endif |
41 | |
42 | int erst_write(const struct cper_record_header *record); |
43 | ssize_t erst_get_record_count(void); |
44 | int erst_get_record_id_begin(int *pos); |
45 | int erst_get_record_id_next(int *pos, u64 *record_id); |
46 | void erst_get_record_id_end(void); |
47 | ssize_t erst_read(u64 record_id, struct cper_record_header *record, |
48 | size_t buflen); |
49 | ssize_t erst_read_record(u64 record_id, struct cper_record_header *record, |
50 | size_t buflen, size_t recordlen, const guid_t *creatorid); |
51 | int erst_clear(u64 record_id); |
52 | |
53 | int arch_apei_enable_cmcff(struct acpi_hest_header *hest_hdr, void *data); |
54 | void arch_apei_report_mem_error(int sev, struct cper_sec_mem_err *mem_err); |
55 | |
56 | #endif |
57 | #endif |
58 | |