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 bool hest_disable;
  20 extern int erst_disable;
  21 #ifdef CONFIG_ACPI_APEI_GHES
  22 extern bool ghes_disable;
  23 #else
  24 #define ghes_disable 1
  25 #endif
  26
  27 #ifdef CONFIG_ACPI_APEI
  28 void __init acpi_hest_init(void);
  29 #else
  30 static inline void acpi_hest_init(void) { return; }
  31 #endif
  32
  33 typedef int (*apei_hest_func_t)(struct acpi_hest_header *hest_hdr, void *data);
  34 int apei_hest_parse(apei_hest_func_t func, void *data);
  35
  36 int erst_write(const struct cper_record_header *record);
  37 ssize_t erst_get_record_count(void);
  38 int erst_get_record_id_begin(int *pos);
  39 int erst_get_record_id_next(int *pos, u64 *record_id);
  40 void erst_get_record_id_end(void);
  41 ssize_t erst_read(u64 record_id, struct cper_record_header *record,
  42                   size_t buflen);
  43 int erst_clear(u64 record_id);
  44
  45 #endif
  46 #endif