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 enum hest_status { 20 HEST_ENABLED, 21 HEST_DISABLED, 22 HEST_NOT_FOUND, 23 }; 24 25 extern int hest_disable; 26 extern int erst_disable; 27 #ifdef CONFIG_ACPI_APEI_GHES 28 extern bool ghes_disable; 29 #else 30 #define ghes_disable 1 31 #endif 32 33 #ifdef CONFIG_ACPI_APEI 34 void __init acpi_hest_init(void); 35 #else 36 static inline void acpi_hest_init(void) { return; } 37 #endif 38 39 typedef int (*apei_hest_func_t)(struct acpi_hest_header *hest_hdr, void *data); 40 int apei_hest_parse(apei_hest_func_t func, void *data); 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 int erst_clear(u64 record_id); 50 51 int arch_apei_enable_cmcff(struct acpi_hest_header *hest_hdr, void *data); 52 void arch_apei_report_mem_error(int sev, struct cper_sec_mem_err *mem_err); 53 void arch_apei_flush_tlb_one(unsigned long addr); 54 55 #endif 56 #endif 57