1 /* SPDX-License-Identifier: GPL-2.0 */
9 * One struct ghes is created for each generic hardware error source.
10 * It provides the context for APEI hardware error timer/IRQ/SCI/NMI
13 * estatus: memory buffer for error status block, allocated during
16 #define GHES_TO_CLEAR 0x0001
17 #define GHES_EXITING 0x0002
21 struct acpi_hest_generic *generic;
22 struct acpi_hest_generic_v2 *generic_v2;
24 struct acpi_hest_generic_status *estatus;
28 struct list_head list;
29 struct timer_list timer;
34 struct ghes_estatus_node {
35 struct llist_node llnode;
36 struct acpi_hest_generic *generic;
40 struct ghes_estatus_cache {
43 struct acpi_hest_generic *generic;
44 unsigned long long time_in;
50 GHES_SEV_CORRECTED = 0x1,
51 GHES_SEV_RECOVERABLE = 0x2,
55 /* From drivers/edac/ghes_edac.c */
57 #ifdef CONFIG_EDAC_GHES
58 void ghes_edac_report_mem_error(int sev, struct cper_sec_mem_err *mem_err);
60 int ghes_edac_register(struct ghes *ghes, struct device *dev);
62 void ghes_edac_unregister(struct ghes *ghes);
65 static inline void ghes_edac_report_mem_error(int sev,
66 struct cper_sec_mem_err *mem_err)
70 static inline int ghes_edac_register(struct ghes *ghes, struct device *dev)
75 static inline void ghes_edac_unregister(struct ghes *ghes)
80 static inline int acpi_hest_get_version(struct acpi_hest_generic_data *gdata)
82 return gdata->revision >> 8;
85 static inline void *acpi_hest_get_payload(struct acpi_hest_generic_data *gdata)
87 if (acpi_hest_get_version(gdata) >= 3)
88 return (void *)(((struct acpi_hest_generic_data_v300 *)(gdata)) + 1);
93 static inline int acpi_hest_get_error_length(struct acpi_hest_generic_data *gdata)
95 return ((struct acpi_hest_generic_data *)(gdata))->error_data_length;
98 static inline int acpi_hest_get_size(struct acpi_hest_generic_data *gdata)
100 if (acpi_hest_get_version(gdata) >= 3)
101 return sizeof(struct acpi_hest_generic_data_v300);
103 return sizeof(struct acpi_hest_generic_data);
106 static inline int acpi_hest_get_record_size(struct acpi_hest_generic_data *gdata)
108 return (acpi_hest_get_size(gdata) + acpi_hest_get_error_length(gdata));
111 static inline void *acpi_hest_get_next(struct acpi_hest_generic_data *gdata)
113 return (void *)(gdata) + acpi_hest_get_record_size(gdata);
116 #define apei_estatus_for_each_section(estatus, section) \
117 for (section = (struct acpi_hest_generic_data *)(estatus + 1); \
118 (void *)section - (void *)(estatus + 1) < estatus->data_length; \
119 section = acpi_hest_get_next(section))
121 #ifdef CONFIG_ACPI_APEI_SEA
122 int ghes_notify_sea(void);
124 static inline int ghes_notify_sea(void) { return -ENOENT; }