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