forked from luck/tmp_suning_uos_patched
9fb0bfe140
APEI firmware first mode must be turned on explicitly on some machines, otherwise there may be no GHES hardware error record for hardware error notification. APEI bit in generic _OSC call can be used to do that, but on some machine, a special WHEA _OSC call must be used. This patch adds the support to that WHEA _OSC call. Signed-off-by: Huang Ying <ying.huang@intel.com> Reviewed-by: Andi Kleen <ak@linux.intel.com> Reviewed-by: Matthew Garrett <mjg@redhat.com> Signed-off-by: Len Brown <len.brown@intel.com>
130 lines
3.7 KiB
C
130 lines
3.7 KiB
C
/*
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* apei-internal.h - ACPI Platform Error Interface internal
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* definations.
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*/
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#ifndef APEI_INTERNAL_H
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#define APEI_INTERNAL_H
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#include <linux/cper.h>
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struct apei_exec_context;
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typedef int (*apei_exec_ins_func_t)(struct apei_exec_context *ctx,
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struct acpi_whea_header *entry);
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#define APEI_EXEC_INS_ACCESS_REGISTER 0x0001
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struct apei_exec_ins_type {
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u32 flags;
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apei_exec_ins_func_t run;
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};
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struct apei_exec_context {
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u32 ip;
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u64 value;
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u64 var1;
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u64 var2;
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u64 src_base;
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u64 dst_base;
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struct apei_exec_ins_type *ins_table;
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u32 instructions;
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struct acpi_whea_header *action_table;
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u32 entries;
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};
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void apei_exec_ctx_init(struct apei_exec_context *ctx,
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struct apei_exec_ins_type *ins_table,
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u32 instructions,
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struct acpi_whea_header *action_table,
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u32 entries);
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static inline void apei_exec_ctx_set_input(struct apei_exec_context *ctx,
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u64 input)
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{
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ctx->value = input;
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}
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static inline u64 apei_exec_ctx_get_output(struct apei_exec_context *ctx)
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{
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return ctx->value;
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}
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int __apei_exec_run(struct apei_exec_context *ctx, u8 action, bool optional);
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static inline int apei_exec_run(struct apei_exec_context *ctx, u8 action)
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{
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return __apei_exec_run(ctx, action, 0);
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}
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/* It is optional whether the firmware provides the action */
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static inline int apei_exec_run_optional(struct apei_exec_context *ctx, u8 action)
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{
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return __apei_exec_run(ctx, action, 1);
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}
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/* Common instruction implementation */
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/* IP has been set in instruction function */
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#define APEI_EXEC_SET_IP 1
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int __apei_exec_read_register(struct acpi_whea_header *entry, u64 *val);
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int __apei_exec_write_register(struct acpi_whea_header *entry, u64 val);
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int apei_exec_read_register(struct apei_exec_context *ctx,
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struct acpi_whea_header *entry);
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int apei_exec_read_register_value(struct apei_exec_context *ctx,
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struct acpi_whea_header *entry);
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int apei_exec_write_register(struct apei_exec_context *ctx,
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struct acpi_whea_header *entry);
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int apei_exec_write_register_value(struct apei_exec_context *ctx,
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struct acpi_whea_header *entry);
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int apei_exec_noop(struct apei_exec_context *ctx,
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struct acpi_whea_header *entry);
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int apei_exec_pre_map_gars(struct apei_exec_context *ctx);
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int apei_exec_post_unmap_gars(struct apei_exec_context *ctx);
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struct apei_resources {
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struct list_head iomem;
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struct list_head ioport;
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};
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static inline void apei_resources_init(struct apei_resources *resources)
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{
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INIT_LIST_HEAD(&resources->iomem);
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INIT_LIST_HEAD(&resources->ioport);
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}
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void apei_resources_fini(struct apei_resources *resources);
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int apei_resources_sub(struct apei_resources *resources1,
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struct apei_resources *resources2);
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int apei_resources_request(struct apei_resources *resources,
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const char *desc);
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void apei_resources_release(struct apei_resources *resources);
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int apei_exec_collect_resources(struct apei_exec_context *ctx,
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struct apei_resources *resources);
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struct dentry;
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struct dentry *apei_get_debugfs_dir(void);
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#define apei_estatus_for_each_section(estatus, section) \
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for (section = (struct acpi_hest_generic_data *)(estatus + 1); \
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(void *)section - (void *)estatus < estatus->data_length; \
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section = (void *)(section+1) + section->error_data_length)
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static inline u32 apei_estatus_len(struct acpi_hest_generic_status *estatus)
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{
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if (estatus->raw_data_length)
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return estatus->raw_data_offset + \
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estatus->raw_data_length;
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else
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return sizeof(*estatus) + estatus->data_length;
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}
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void apei_estatus_print(const char *pfx,
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const struct acpi_hest_generic_status *estatus);
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int apei_estatus_check_header(const struct acpi_hest_generic_status *estatus);
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int apei_estatus_check(const struct acpi_hest_generic_status *estatus);
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int apei_osc_setup(void);
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#endif
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