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

   1 #include <linux/sysdev.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 sysdev_attribute attr;                   /* sysdev 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 int mce_ser;
  28
  29 extern struct mce_bank *mce_banks;
  30
  31 #ifdef CONFIG_ACPI_APEI
  32 int apei_write_mce(struct mce *m);
  33 ssize_t apei_read_mce(struct mce *m, u64 *record_id);
  34 int apei_check_mce(void);
  35 int apei_clear_mce(u64 record_id);
  36 #else
  37 static inline int apei_write_mce(struct mce *m)
  38 {
  39         return -EINVAL;
  40 }
  41 static inline ssize_t apei_read_mce(struct mce *m, u64 *record_id)
  42 {
  43         return 0;
  44 }
  45 static inline int apei_check_mce(void)
  46 {
  47         return 0;
  48 }
  49 static inline int apei_clear_mce(u64 record_id)
  50 {
  51         return -EINVAL;
  52 }
  53 #endif