include/acpi/apei.h

   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