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 extern mce_banks_t mce_banks_ce_disabled;
  29
  30 #ifdef CONFIG_X86_MCE_INTEL
  31 unsigned long mce_intel_adjust_timer(unsigned long interval);
  32 void mce_intel_cmci_poll(void);
  33 void mce_intel_hcpu_update(unsigned long cpu);
  34 void cmci_disable_bank(int bank);
  35 #else
  36 # define mce_intel_adjust_timer mce_adjust_timer_default
  37 static inline void mce_intel_cmci_poll(void) { }
  38 static inline void mce_intel_hcpu_update(unsigned long cpu) { }
  39 static inline void cmci_disable_bank(int bank) { }
  40 #endif
  41
  42 void mce_timer_kick(unsigned long interval);
  43
  44 #ifdef CONFIG_ACPI_APEI
  45 int apei_write_mce(struct mce *m);
  46 ssize_t apei_read_mce(struct mce *m, u64 *record_id);
  47 int apei_check_mce(void);
  48 int apei_clear_mce(u64 record_id);
  49 #else
  50 static inline int apei_write_mce(struct mce *m)
  51 {
  52         return -EINVAL;
  53 }
  54 static inline ssize_t apei_read_mce(struct mce *m, u64 *record_id)
  55 {
  56         return 0;
  57 }
  58 static inline int apei_check_mce(void)
  59 {
  60         return 0;
  61 }
  62 static inline int apei_clear_mce(u64 record_id)
  63 {
  64         return -EINVAL;
  65 }
  66 #endif