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 20enum hest_status { 21 HEST_ENABLED, 22 HEST_DISABLED, 23 HEST_NOT_FOUND, 24}; 25 26extern int hest_disable; 27extern int erst_disable; 28#ifdef CONFIG_ACPI_APEI_GHES 29extern bool ghes_disable; 30void __init ghes_init(void); 31#else 32#define ghes_disable 1 33static inline void ghes_init(void) { } 34#endif 35 36#ifdef CONFIG_ACPI_APEI 37void __init acpi_hest_init(void); 38#else 39static inline void acpi_hest_init(void) { } 40#endif 41 42typedef int (*apei_hest_func_t)(struct acpi_hest_header *hest_hdr, void *data); 43int apei_hest_parse(apei_hest_func_t func, void *data); 44 45int erst_write(const struct cper_record_header *record); 46ssize_t erst_get_record_count(void); 47int erst_get_record_id_begin(int *pos); 48int erst_get_record_id_next(int *pos, u64 *record_id); 49void erst_get_record_id_end(void); 50ssize_t erst_read(u64 record_id, struct cper_record_header *record, 51 size_t buflen); 52int erst_clear(u64 record_id); 53 54int arch_apei_enable_cmcff(struct acpi_hest_header *hest_hdr, void *data); 55void arch_apei_report_mem_error(int sev, struct cper_sec_mem_err *mem_err); 56 57#endif 58#endif 59