arch/x86/kernel/cpu/mcheck/mce-internal.h

   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 struct mce_bank *mce_banks;
  28
  29 #ifdef CONFIG_X86_MCE_INTEL
  30 unsigned long mce_intel_adjust_timer(unsigned long interval);
  31 void mce_intel_cmci_poll(void);
  32 void mce_intel_hcpu_update(unsigned long cpu);
  33 #else
  34 # define mce_intel_adjust_timer mce_adjust_timer_default
  35 static inline void mce_intel_cmci_poll(void) { }
  36 static inline void mce_intel_hcpu_update(unsigned long cpu) { }
  37 #endif
  38
  39 void mce_timer_kick(unsigned long interval);
  40
  41 #ifdef CONFIG_ACPI_APEI
  42 int apei_write_mce(struct mce *m);
  43 ssize_t apei_read_mce(struct mce *m, u64 *record_id);
  44 int apei_check_mce(void);
  45 int apei_clear_mce(u64 record_id);
  46 #else
  47 static inline int apei_write_mce(struct mce *m)
  48 {
  49         return -EINVAL;
  50 }
  51 static inline ssize_t apei_read_mce(struct mce *m, u64 *record_id)
  52 {
  53         return 0;
  54 }
  55 static inline int apei_check_mce(void)
  56 {
  57         return 0;
  58 }
  59 static inline int apei_clear_mce(u64 record_id)
  60 {
  61         return -EINVAL;
  62 }
  63 #endif