1 #include <linux/device.h>
2 #include <asm/mce.h>
3
4 enum severity_level {
5 MCE_NO_SEVERITY,
6 MCE_KEEP_SEVERITY,
7 MCE_SOME_SEVERITY,
8 MCE_AO_SEVERITY,
9 MCE_UC_SEVERITY,
10 MCE_AR_SEVERITY,
11 MCE_PANIC_SEVERITY,
12 };
13
14 #define ATTR_LEN 16
15
16 /* One object for each MCE bank, shared by all CPUs */
17 struct mce_bank {
18 u64 ctl; /* subevents to enable */
19 unsigned char init; /* initialise bank? */
20 struct device_attribute attr; /* device attribute */
21 char attrname[ATTR_LEN]; /* attribute name */
22 };
23
24 int mce_severity(struct mce *a, int tolerant, char **msg);
25 struct dentry *mce_get_debugfs_dir(void);
26
27 extern int mce_ser;
28
29 extern struct mce_bank *mce_banks;
30
31 #ifdef CONFIG_ACPI_APEI
32 int apei_write_mce(struct mce *m);
33 ssize_t apei_read_mce(struct mce *m, u64 *record_id);
34 int apei_check_mce(void);
35 int apei_clear_mce(u64 record_id);
36 #else
apei_write_mce(struct mce * m)37 static inline int apei_write_mce(struct mce *m)
38 {
39 return -EINVAL;
40 }
apei_read_mce(struct mce * m,u64 * record_id)41 static inline ssize_t apei_read_mce(struct mce *m, u64 *record_id)
42 {
43 return 0;
44 }
apei_check_mce(void)45 static inline int apei_check_mce(void)
46 {
47 return 0;
48 }
apei_clear_mce(u64 record_id)49 static inline int apei_clear_mce(u64 record_id)
50 {
51 return -EINVAL;
52 }
53 #endif
54