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 int arch_apei_enable_cmcff(struct acpi_hest_header *hest_hdr, void *data);
46 void arch_apei_report_mem_error(int sev, struct cper_sec_mem_err *mem_err);
47 void arch_apei_flush_tlb_one(unsigned long addr);
48
49 #endif
50 #endif
51
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