| 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 |