[deliverable/linux.git] / include / acpi / ghes.h

#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_hest_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
Commit	Line	Data
40e06415 MCC	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	struct acpi_hest_generic *generic;
0a00fd5e	17	struct acpi_hest_generic_status *estatus;
40e06415 MCC	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
	27	struct ghes_estatus_node {
	28	struct llist_node llnode;
	29	struct acpi_hest_generic *generic;
21480547	30	struct ghes *ghes;
40e06415 MCC	31	};
	32
	33	struct 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
	41	enum {
	42	GHES_SEV_NO = 0x0,
	43	GHES_SEV_CORRECTED = 0x1,
	44	GHES_SEV_RECOVERABLE = 0x2,
	45	GHES_SEV_PANIC = 0x3,
	46	};
21480547 MCC	47
	48	/* From drivers/edac/ghes_edac.c */
	49
	50	#ifdef CONFIG_EDAC_GHES
	51	void ghes_edac_report_mem_error(struct ghes *ghes, int sev,
	52	struct cper_sec_mem_err *mem_err);
	53
	54	int ghes_edac_register(struct ghes ghes, struct device dev);
	55
	56	void ghes_edac_unregister(struct ghes *ghes);
	57
	58	#else
	59	static inline void ghes_edac_report_mem_error(struct ghes *ghes, int sev,
	60	struct cper_sec_mem_err *mem_err)
	61	{
	62	}
	63
	64	static inline int ghes_edac_register(struct ghes ghes, struct device dev)
	65	{
	66	return 0;
	67	}
	68
	69	static inline void ghes_edac_unregister(struct ghes *ghes)
	70	{
	71	}
	72	#endif