projects / mirror_ubuntu-zesty-kernel.git / blame
| 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 { | |
| 87400177 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 | |
| 244af8fc 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 | } |