1 files changed, 114 insertions, 0 deletions

diff --git a/drivers/acpi/apei/apei-internal.h b/drivers/acpi/apei/apei-internal.h
new file mode 100644
index 000000000000..18df1e940276
--- /dev/null
+++ b/drivers/acpi/apei/apei-internal.h
@@ -0,0 +1,114 @@
+/*
+ * apei-internal.h - ACPI Platform Error Interface internal
+ * definations.
+ */
+
+#ifndef APEI_INTERNAL_H
+#define APEI_INTERNAL_H
+
+#include <linux/cper.h>
+
+struct apei_exec_context;
+
+typedef int (*apei_exec_ins_func_t)(struct apei_exec_context *ctx,
+                                    struct acpi_whea_header *entry);
+
+#define APEI_EXEC_INS_ACCESS_REGISTER   0x0001
+
+struct apei_exec_ins_type {
+        u32 flags;
+        apei_exec_ins_func_t run;
+};
+
+struct apei_exec_context {
+        u32 ip;
+        u64 value;
+        u64 var1;
+        u64 var2;
+        u64 src_base;
+        u64 dst_base;
+        struct apei_exec_ins_type *ins_table;
+        u32 instructions;
+        struct acpi_whea_header *action_table;
+        u32 entries;
+};
+
+void apei_exec_ctx_init(struct apei_exec_context *ctx,
+                        struct apei_exec_ins_type *ins_table,
+                        u32 instructions,
+                        struct acpi_whea_header *action_table,
+                        u32 entries);
+
+static inline void apei_exec_ctx_set_input(struct apei_exec_context *ctx,
+                                           u64 input)
+{
+        ctx->value = input;
+}
+
+static inline u64 apei_exec_ctx_get_output(struct apei_exec_context *ctx)
+{
+        return ctx->value;
+}
+
+int apei_exec_run(struct apei_exec_context *ctx, u8 action);
+
+/* Common instruction implementation */
+
+/* IP has been set in instruction function */
+#define APEI_EXEC_SET_IP        1
+
+int __apei_exec_read_register(struct acpi_whea_header *entry, u64 *val);
+int __apei_exec_write_register(struct acpi_whea_header *entry, u64 val);
+int apei_exec_read_register(struct apei_exec_context *ctx,
+                            struct acpi_whea_header *entry);
+int apei_exec_read_register_value(struct apei_exec_context *ctx,
+                                  struct acpi_whea_header *entry);
+int apei_exec_write_register(struct apei_exec_context *ctx,
+                             struct acpi_whea_header *entry);
+int apei_exec_write_register_value(struct apei_exec_context *ctx,
+                                   struct acpi_whea_header *entry);
+int apei_exec_noop(struct apei_exec_context *ctx,
+                   struct acpi_whea_header *entry);
+int apei_exec_pre_map_gars(struct apei_exec_context *ctx);
+int apei_exec_post_unmap_gars(struct apei_exec_context *ctx);
+
+struct apei_resources {
+        struct list_head iomem;
+        struct list_head ioport;
+};
+
+static inline void apei_resources_init(struct apei_resources *resources)
+{
+        INIT_LIST_HEAD(&resources->iomem);
+        INIT_LIST_HEAD(&resources->ioport);
+}
+
+void apei_resources_fini(struct apei_resources *resources);
+int apei_resources_sub(struct apei_resources *resources1,
+                       struct apei_resources *resources2);
+int apei_resources_request(struct apei_resources *resources,
+                           const char *desc);
+void apei_resources_release(struct apei_resources *resources);
+int apei_exec_collect_resources(struct apei_exec_context *ctx,
+                                struct apei_resources *resources);
+
+struct dentry;
+struct dentry *apei_get_debugfs_dir(void);
+
+#define apei_estatus_for_each_section(estatus, section)                 \
+        for (section = (struct acpi_hest_generic_data *)(estatus + 1);  \
+             (void *)section - (void *)estatus < estatus->data_length;  \
+             section = (void *)(section+1) + section->error_data_length)
+
+static inline u32 apei_estatus_len(struct acpi_hest_generic_status *estatus)
+{
+        if (estatus->raw_data_length)
+                return estatus->raw_data_offset + \
+                        estatus->raw_data_length;
+        else
+                return sizeof(*estatus) + estatus->data_length;
+}
+
+int apei_estatus_check_header(const struct acpi_hest_generic_status *estatus);
+int apei_estatus_check(const struct acpi_hest_generic_status *estatus);
+#endif