Release 4.10 arch/x86/kernel/cpu/mcheck/mce-internal.h
#include <linux/device.h>
#include <asm/mce.h>
enum severity_level {
MCE_NO_SEVERITY,
MCE_DEFERRED_SEVERITY,
MCE_UCNA_SEVERITY = MCE_DEFERRED_SEVERITY,
MCE_KEEP_SEVERITY,
MCE_SOME_SEVERITY,
MCE_AO_SEVERITY,
MCE_UC_SEVERITY,
MCE_AR_SEVERITY,
MCE_PANIC_SEVERITY,
};
extern struct atomic_notifier_head x86_mce_decoder_chain;
#define ATTR_LEN 16
#define INITIAL_CHECK_INTERVAL 5 * 60
/* 5 minutes */
/* One object for each MCE bank, shared by all CPUs */
struct mce_bank {
u64 ctl; /* subevents to enable */
unsigned char init; /* initialise bank? */
struct device_attribute attr; /* device attribute */
char attrname[ATTR_LEN]; /* attribute name */
};
struct mce_evt_llist {
struct llist_node llnode;
struct mce mce;
};
void mce_gen_pool_process(void);
bool mce_gen_pool_empty(void);
int mce_gen_pool_add(struct mce *mce);
int mce_gen_pool_init(void);
struct llist_node *mce_gen_pool_prepare_records(void);
extern int (*mce_severity)(struct mce *a, int tolerant, char **msg, bool is_excp);
struct dentry *mce_get_debugfs_dir(void);
extern struct mce_bank *mce_banks;
extern mce_banks_t mce_banks_ce_disabled;
#ifdef CONFIG_X86_MCE_INTEL
unsigned long cmci_intel_adjust_timer(unsigned long interval);
bool mce_intel_cmci_poll(void);
void mce_intel_hcpu_update(unsigned long cpu);
void cmci_disable_bank(int bank);
#else
# define cmci_intel_adjust_timer mce_adjust_timer_default
static inline bool mce_intel_cmci_poll(void) { return false; }
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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);
#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;
}
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static inline ssize_t apei_read_mce(struct mce *m, u64 *record_id)
{
return 0;
}
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static inline int apei_check_mce(void)
{
return 0;
}
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static inline int apei_clear_mce(u64 record_id)
{
return -EINVAL;
}
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#endif
void mce_inject_log(struct mce *m);
/*
* We consider records to be equivalent if bank+status+addr+misc all match.
* This is only used when the system is going down because of a fatal error
* to avoid cluttering the console log with essentially repeated information.
* In normal processing all errors seen are logged.
*/
static inline bool mce_cmp(struct mce *m1, struct mce *m2)
{
return m1->bank != m2->bank ||
m1->status != m2->status ||
m1->addr != m2->addr ||
m1->misc != m2->misc;
}
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