LXR linux/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
  15struct ghes {
  16        struct acpi_hest_generic *generic;
  17        struct acpi_hest_generic_status *estatus;
  18        u64 buffer_paddr;
  19        unsigned long flags;
  20        union {
  21                struct list_head list;
  22                struct timer_list timer;
  23                unsigned int irq;
  24        };
  25};
  26
  27struct ghes_estatus_node {
  28        struct llist_node llnode;
  29        struct acpi_hest_generic *generic;
  30        struct ghes *ghes;
  31};
  32
  33struct ghes_estatus_cache {
  34        u32 estatus_len;
  35        atomic_t count;
  36        struct acpi_hest_generic *generic;
  37        unsigned long long time_in;
  38        struct rcu_head rcu;
  39};
  40
  41enum {
  42        GHES_SEV_NO = 0x0,
  43        GHES_SEV_CORRECTED = 0x1,
  44        GHES_SEV_RECOVERABLE = 0x2,
  45        GHES_SEV_PANIC = 0x3,
  46};
  47
  48/* From drivers/edac/ghes_edac.c */
  49
  50#ifdef CONFIG_EDAC_GHES
  51void ghes_edac_report_mem_error(struct ghes *ghes, int sev,
  52                                struct cper_sec_mem_err *mem_err);
  53
  54int ghes_edac_register(struct ghes *ghes, struct device *dev);
  55
  56void ghes_edac_unregister(struct ghes *ghes);
  57
  58#else
  59static inline void ghes_edac_report_mem_error(struct ghes *ghes, int sev,
  60                                       struct cper_sec_mem_err *mem_err)
  61{
  62}
  63
  64static inline int ghes_edac_register(struct ghes *ghes, struct device *dev)
  65{
  66        return 0;
  67}
  68
  69static inline void ghes_edac_unregister(struct ghes *ghes)
  70{
  71}
  72#endif
  73