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