1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * apei.h - ACPI Platform Error Interface
4*4882a593Smuzhiyun */
5*4882a593Smuzhiyun
6*4882a593Smuzhiyun #ifndef ACPI_APEI_H
7*4882a593Smuzhiyun #define ACPI_APEI_H
8*4882a593Smuzhiyun
9*4882a593Smuzhiyun #include <linux/acpi.h>
10*4882a593Smuzhiyun #include <linux/cper.h>
11*4882a593Smuzhiyun #include <asm/ioctls.h>
12*4882a593Smuzhiyun
13*4882a593Smuzhiyun #define APEI_ERST_INVALID_RECORD_ID 0xffffffffffffffffULL
14*4882a593Smuzhiyun
15*4882a593Smuzhiyun #define APEI_ERST_CLEAR_RECORD _IOW('E', 1, u64)
16*4882a593Smuzhiyun #define APEI_ERST_GET_RECORD_COUNT _IOR('E', 2, u32)
17*4882a593Smuzhiyun
18*4882a593Smuzhiyun #ifdef __KERNEL__
19*4882a593Smuzhiyun
20*4882a593Smuzhiyun enum hest_status {
21*4882a593Smuzhiyun HEST_ENABLED,
22*4882a593Smuzhiyun HEST_DISABLED,
23*4882a593Smuzhiyun HEST_NOT_FOUND,
24*4882a593Smuzhiyun };
25*4882a593Smuzhiyun
26*4882a593Smuzhiyun extern int hest_disable;
27*4882a593Smuzhiyun extern int erst_disable;
28*4882a593Smuzhiyun #ifdef CONFIG_ACPI_APEI_GHES
29*4882a593Smuzhiyun extern bool ghes_disable;
30*4882a593Smuzhiyun #else
31*4882a593Smuzhiyun #define ghes_disable 1
32*4882a593Smuzhiyun #endif
33*4882a593Smuzhiyun
34*4882a593Smuzhiyun #ifdef CONFIG_ACPI_APEI
35*4882a593Smuzhiyun void __init acpi_hest_init(void);
36*4882a593Smuzhiyun #else
acpi_hest_init(void)37*4882a593Smuzhiyun static inline void acpi_hest_init(void) { return; }
38*4882a593Smuzhiyun #endif
39*4882a593Smuzhiyun
40*4882a593Smuzhiyun typedef int (*apei_hest_func_t)(struct acpi_hest_header *hest_hdr, void *data);
41*4882a593Smuzhiyun int apei_hest_parse(apei_hest_func_t func, void *data);
42*4882a593Smuzhiyun
43*4882a593Smuzhiyun int erst_write(const struct cper_record_header *record);
44*4882a593Smuzhiyun ssize_t erst_get_record_count(void);
45*4882a593Smuzhiyun int erst_get_record_id_begin(int *pos);
46*4882a593Smuzhiyun int erst_get_record_id_next(int *pos, u64 *record_id);
47*4882a593Smuzhiyun void erst_get_record_id_end(void);
48*4882a593Smuzhiyun ssize_t erst_read(u64 record_id, struct cper_record_header *record,
49*4882a593Smuzhiyun size_t buflen);
50*4882a593Smuzhiyun int erst_clear(u64 record_id);
51*4882a593Smuzhiyun
52*4882a593Smuzhiyun int arch_apei_enable_cmcff(struct acpi_hest_header *hest_hdr, void *data);
53*4882a593Smuzhiyun void arch_apei_report_mem_error(int sev, struct cper_sec_mem_err *mem_err);
54*4882a593Smuzhiyun
55*4882a593Smuzhiyun #endif
56*4882a593Smuzhiyun #endif
57