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1/* SPDX-License-Identifier: GPL-2.0 */2/*3 * apei.h - ACPI Platform Error Interface4 */5 6#ifndef ACPI_APEI_H7#define ACPI_APEI_H8 9#include <linux/acpi.h>10#include <linux/cper.h>11#include <asm/ioctls.h>12 13#define APEI_ERST_INVALID_RECORD_ID 0xffffffffffffffffULL14 15#define APEI_ERST_CLEAR_RECORD _IOW('E', 1, u64)16#define APEI_ERST_GET_RECORD_COUNT _IOR('E', 2, u32)17 18#ifdef __KERNEL__19 20enum hest_status {21 HEST_ENABLED,22 HEST_DISABLED,23 HEST_NOT_FOUND,24};25 26extern int hest_disable;27extern int erst_disable;28#ifdef CONFIG_ACPI_APEI_GHES29extern bool ghes_disable;30void __init acpi_ghes_init(void);31#else32#define ghes_disable 133static inline void acpi_ghes_init(void) { }34#endif35 36#ifdef CONFIG_ACPI_APEI37void __init acpi_hest_init(void);38#else39static inline void acpi_hest_init(void) { }40#endif41 42int erst_write(const struct cper_record_header *record);43ssize_t erst_get_record_count(void);44int erst_get_record_id_begin(int *pos);45int erst_get_record_id_next(int *pos, u64 *record_id);46void erst_get_record_id_end(void);47ssize_t erst_read(u64 record_id, struct cper_record_header *record,48 size_t buflen);49ssize_t erst_read_record(u64 record_id, struct cper_record_header *record,50 size_t buflen, size_t recordlen, const guid_t *creatorid);51int erst_clear(u64 record_id);52 53int arch_apei_enable_cmcff(struct acpi_hest_header *hest_hdr, void *data);54void arch_apei_report_mem_error(int sev, struct cper_sec_mem_err *mem_err);55 56#endif57#endif58