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 int hest_disable; 20extern int erst_disable; 21 22#ifdef CONFIG_ACPI_APEI 23void __init acpi_hest_init(void); 24#else 25static inline void acpi_hest_init(void) { return; } 26#endif 27 28typedef int (*apei_hest_func_t)(struct acpi_hest_header *hest_hdr, void *data); 29int apei_hest_parse(apei_hest_func_t func, void *data); 30 31int erst_write(const struct cper_record_header *record); 32ssize_t erst_get_record_count(void); 33int erst_get_record_id_begin(int *pos); 34int erst_get_record_id_next(int *pos, u64 *record_id); 35void erst_get_record_id_end(void); 36ssize_t erst_read(u64 record_id, struct cper_record_header *record, 37 size_t buflen); 38int erst_clear(u64 record_id); 39 40#endif 41#endif 42