apei.h 1.3 KB

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  1. /* SPDX-License-Identifier: GPL-2.0 */
  2. /*
  3. * apei.h - ACPI Platform Error Interface
  4. */
  5. #ifndef ACPI_APEI_H
  6. #define ACPI_APEI_H
  7. #include <linux/acpi.h>
  8. #include <linux/cper.h>
  9. #include <asm/ioctls.h>
  10. #define APEI_ERST_INVALID_RECORD_ID 0xffffffffffffffffULL
  11. #define APEI_ERST_CLEAR_RECORD _IOW('E', 1, u64)
  12. #define APEI_ERST_GET_RECORD_COUNT _IOR('E', 2, u32)
  13. #ifdef __KERNEL__
  14. enum hest_status {
  15. HEST_ENABLED,
  16. HEST_DISABLED,
  17. HEST_NOT_FOUND,
  18. };
  19. extern int 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. #ifdef CONFIG_ACPI_APEI
  27. void __init acpi_hest_init(void);
  28. #else
  29. static inline void acpi_hest_init(void) { return; }
  30. #endif
  31. typedef int (*apei_hest_func_t)(struct acpi_hest_header *hest_hdr, void *data);
  32. int apei_hest_parse(apei_hest_func_t func, void *data);
  33. int erst_write(const struct cper_record_header *record);
  34. ssize_t erst_get_record_count(void);
  35. int erst_get_record_id_begin(int *pos);
  36. int erst_get_record_id_next(int *pos, u64 *record_id);
  37. void erst_get_record_id_end(void);
  38. ssize_t erst_read(u64 record_id, struct cper_record_header *record,
  39. size_t buflen);
  40. int erst_clear(u64 record_id);
  41. int arch_apei_enable_cmcff(struct acpi_hest_header *hest_hdr, void *data);
  42. void arch_apei_report_mem_error(int sev, struct cper_sec_mem_err *mem_err);
  43. #endif
  44. #endif