mce-internal.h 1.7 KB
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#include <linux/device.h>
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#include <asm/mce.h>

enum severity_level {
	MCE_NO_SEVERITY,
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	MCE_DEFERRED_SEVERITY,
	MCE_UCNA_SEVERITY = MCE_DEFERRED_SEVERITY,
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	MCE_KEEP_SEVERITY,
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	MCE_SOME_SEVERITY,
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	MCE_AO_SEVERITY,
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	MCE_UC_SEVERITY,
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	MCE_AR_SEVERITY,
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	MCE_PANIC_SEVERITY,
};

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#define ATTR_LEN		16

/* One object for each MCE bank, shared by all CPUs */
struct mce_bank {
	u64			ctl;			/* subevents to enable */
	unsigned char init;				/* initialise bank? */
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	struct device_attribute attr;			/* device attribute */
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	char			attrname[ATTR_LEN];	/* attribute name */
};

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int mce_severity(struct mce *a, int tolerant, char **msg, bool is_excp);
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struct dentry *mce_get_debugfs_dir(void);
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extern struct mce_bank *mce_banks;
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extern mce_banks_t mce_banks_ce_disabled;
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#ifdef CONFIG_X86_MCE_INTEL
unsigned long mce_intel_adjust_timer(unsigned long interval);
void mce_intel_cmci_poll(void);
void mce_intel_hcpu_update(unsigned long cpu);
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void cmci_disable_bank(int bank);
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#else
# define mce_intel_adjust_timer mce_adjust_timer_default
static inline void mce_intel_cmci_poll(void) { }
static inline void mce_intel_hcpu_update(unsigned long cpu) { }
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static inline void cmci_disable_bank(int bank) { }
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#endif

void mce_timer_kick(unsigned long interval);

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#ifdef CONFIG_ACPI_APEI
int apei_write_mce(struct mce *m);
ssize_t apei_read_mce(struct mce *m, u64 *record_id);
int apei_check_mce(void);
int apei_clear_mce(u64 record_id);
#else
static inline int apei_write_mce(struct mce *m)
{
	return -EINVAL;
}
static inline ssize_t apei_read_mce(struct mce *m, u64 *record_id)
{
	return 0;
}
static inline int apei_check_mce(void)
{
	return 0;
}
static inline int apei_clear_mce(u64 record_id)
{
	return -EINVAL;
}
#endif