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 45#endif 46#endif 47