1#include <linux/sysdev.h>
 2#include <asm/mce.h>
 3
 4enum 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 */
17struct mce_bank {
18	u64			ctl;			/* subevents to enable */
19	unsigned char init;				/* initialise bank? */
20	struct sysdev_attribute attr;			/* sysdev attribute */
21	char			attrname[ATTR_LEN];	/* attribute name */
22};
23
24int mce_severity(struct mce *a, int tolerant, char **msg);
25struct dentry *mce_get_debugfs_dir(void);
26
27extern int mce_ser;
28
29extern struct mce_bank *mce_banks;
30
31#ifdef CONFIG_ACPI_APEI
32int apei_write_mce(struct mce *m);
33ssize_t apei_read_mce(struct mce *m, u64 *record_id);
34int apei_check_mce(void);
35int apei_clear_mce(u64 record_id);
36#else
37static inline int apei_write_mce(struct mce *m)
38{
39	return -EINVAL;
40}
41static inline ssize_t apei_read_mce(struct mce *m, u64 *record_id)
42{
43	return 0;
44}
45static inline int apei_check_mce(void)
46{
47	return 0;
48}
49static inline int apei_clear_mce(u64 record_id)
50{
51	return -EINVAL;
52}
53#endif