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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 { | |
42aa5604 TB |
16 | union { |
17 | struct acpi_hest_generic *generic; | |
18 | struct acpi_hest_generic_v2 *generic_v2; | |
19 | }; | |
0a00fd5e | 20 | struct acpi_hest_generic_status *estatus; |
40e06415 MCC |
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; | |
21480547 | 33 | struct ghes *ghes; |
40e06415 MCC |
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 | }; | |
21480547 MCC |
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 | |
bbcc2e7b TB |
76 | |
77 | static inline int acpi_hest_get_version(struct acpi_hest_generic_data *gdata) | |
78 | { | |
79 | return gdata->revision >> 8; | |
80 | } | |
81 | ||
82 | static inline void *acpi_hest_get_payload(struct acpi_hest_generic_data *gdata) | |
83 | { | |
84 | if (acpi_hest_get_version(gdata) >= 3) | |
85 | return (void *)(((struct acpi_hest_generic_data_v300 *)(gdata)) + 1); | |
86 | ||
87 | return gdata + 1; | |
88 | } | |
89 | ||
90 | static inline int acpi_hest_get_error_length(struct acpi_hest_generic_data *gdata) | |
91 | { | |
92 | return ((struct acpi_hest_generic_data *)(gdata))->error_data_length; | |
93 | } | |
94 | ||
95 | static inline int acpi_hest_get_size(struct acpi_hest_generic_data *gdata) | |
96 | { | |
97 | if (acpi_hest_get_version(gdata) >= 3) | |
98 | return sizeof(struct acpi_hest_generic_data_v300); | |
99 | ||
100 | return sizeof(struct acpi_hest_generic_data); | |
101 | } | |
102 | ||
103 | static inline int acpi_hest_get_record_size(struct acpi_hest_generic_data *gdata) | |
104 | { | |
105 | return (acpi_hest_get_size(gdata) + acpi_hest_get_error_length(gdata)); | |
106 | } | |
107 | ||
108 | static inline void *acpi_hest_get_next(struct acpi_hest_generic_data *gdata) | |
109 | { | |
110 | return (void *)(gdata) + acpi_hest_get_record_size(gdata); | |
111 | } |