include/acpi/ghes.h

   1 #include <acpi/apei.h>
   2 #include <acpi/hed.h>
   3
   4 /*
   5  * One struct ghes is created for each generic hardware error source.
   6  * It provides the context for APEI hardware error timer/IRQ/SCI/NMI
   7  * handler.
   8  *
   9  * estatus: memory buffer for error status block, allocated during
  10  * HEST parsing.
  11  */
  12 #define GHES_TO_CLEAR           0x0001
  13 #define GHES_EXITING            0x0002
  14
  15 struct ghes {
  16         union {
  17                 struct acpi_hest_generic *generic;
  18                 struct acpi_hest_generic_v2 *generic_v2;
  19         };
  20         struct acpi_hest_generic_status *estatus;
  21         u64 buffer_paddr;
  22         unsigned long flags;
  23         union {
  24                 struct list_head list;
  25                 struct timer_list timer;
  26                 unsigned int irq;
  27         };
  28 };
  29
  30 struct ghes_estatus_node {
  31         struct llist_node llnode;
  32         struct acpi_hest_generic *generic;
  33         struct ghes *ghes;
  34 };
  35
  36 struct ghes_estatus_cache {
  37         u32 estatus_len;
  38         atomic_t count;
  39         struct acpi_hest_generic *generic;
  40         unsigned long long time_in;
  41         struct rcu_head rcu;
  42 };
  43
  44 enum {
  45         GHES_SEV_NO = 0x0,
  46         GHES_SEV_CORRECTED = 0x1,
  47         GHES_SEV_RECOVERABLE = 0x2,
  48         GHES_SEV_PANIC = 0x3,
  49 };
  50
  51 /* From drivers/edac/ghes_edac.c */
  52
  53 #ifdef CONFIG_EDAC_GHES
  54 void ghes_edac_report_mem_error(struct ghes *ghes, int sev,
  55                                 struct cper_sec_mem_err *mem_err);
  56
  57 int ghes_edac_register(struct ghes *ghes, struct device *dev);
  58
  59 void ghes_edac_unregister(struct ghes *ghes);
  60
  61 #else
  62 static inline void ghes_edac_report_mem_error(struct ghes *ghes, int sev,
  63                                        struct cper_sec_mem_err *mem_err)
  64 {
  65 }
  66
  67 static inline int ghes_edac_register(struct ghes *ghes, struct device *dev)
  68 {
  69         return 0;
  70 }
  71
  72 static inline void ghes_edac_unregister(struct ghes *ghes)
  73 {
  74 }
  75 #endif