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kernel/linux-imx6_3.14.28/include/acpi/ghes.h 1.48 KB
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  #include <acpi/apei.h>
  #include <acpi/hed.h>
  
  /*
   * One struct ghes is created for each generic hardware error source.
   * It provides the context for APEI hardware error timer/IRQ/SCI/NMI
   * handler.
   *
   * estatus: memory buffer for error status block, allocated during
   * HEST parsing.
   */
  #define GHES_TO_CLEAR		0x0001
  #define GHES_EXITING		0x0002
  
  struct ghes {
  	struct acpi_hest_generic *generic;
  	struct acpi_generic_status *estatus;
  	u64 buffer_paddr;
  	unsigned long flags;
  	union {
  		struct list_head list;
  		struct timer_list timer;
  		unsigned int irq;
  	};
  };
  
  struct ghes_estatus_node {
  	struct llist_node llnode;
  	struct acpi_hest_generic *generic;
  	struct ghes *ghes;
  };
  
  struct ghes_estatus_cache {
  	u32 estatus_len;
  	atomic_t count;
  	struct acpi_hest_generic *generic;
  	unsigned long long time_in;
  	struct rcu_head rcu;
  };
  
  enum {
  	GHES_SEV_NO = 0x0,
  	GHES_SEV_CORRECTED = 0x1,
  	GHES_SEV_RECOVERABLE = 0x2,
  	GHES_SEV_PANIC = 0x3,
  };
  
  /* From drivers/edac/ghes_edac.c */
  
  #ifdef CONFIG_EDAC_GHES
  void ghes_edac_report_mem_error(struct ghes *ghes, int sev,
  				struct cper_sec_mem_err *mem_err);
  
  int ghes_edac_register(struct ghes *ghes, struct device *dev);
  
  void ghes_edac_unregister(struct ghes *ghes);
  
  #else
  static inline void ghes_edac_report_mem_error(struct ghes *ghes, int sev,
  				       struct cper_sec_mem_err *mem_err)
  {
  }
  
  static inline int ghes_edac_register(struct ghes *ghes, struct device *dev)
  {
  	return 0;
  }
  
  static inline void ghes_edac_unregister(struct ghes *ghes)
  {
  }
  #endif