1 /* 2 * apei.h - ACPI Platform Error Interface 3 */ 4 5 #ifndef ACPI_APEI_H 6 #define ACPI_APEI_H 7 8 #include <xen/acpi.h> 9 #include <xen/cper.h> 10 11 #define APEI_ERST_INVALID_RECORD_ID 0xffffffffffffffffULL 12 13 #define FIX_APEI_RANGE_MAX 64 14 15 typedef int (*apei_hest_func_t)(const struct acpi_hest_header *, void *); 16 int apei_hest_parse(apei_hest_func_t, void *); 17 18 int erst_write(const struct cper_record_header *record); 19 ssize_t erst_get_record_count(void); 20 int erst_get_next_record_id(u64 *record_id); 21 ssize_t erst_read(u64 record_id, struct cper_record_header *record, 22 size_t buflen); 23 ssize_t erst_read_next(struct cper_record_header *record, size_t buflen); 24 int erst_clear(u64 record_id); 25 26 void __iomem *apei_pre_map(paddr_t paddr, unsigned long size); 27 28 int apei_pre_map_gar(struct acpi_generic_address *reg); 29 int apei_post_unmap_gar(struct acpi_generic_address *reg); 30 31 int apei_read(u64 *val, struct acpi_generic_address *reg); 32 int apei_write(u64 val, struct acpi_generic_address *reg); 33 34 #endif 35