Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / acpi / apei / apei-internal.h

diff --git a/kernel/drivers/acpi/apei/apei-internal.h b/kernel/drivers/acpi/apei/apei-internal.h
new file mode 100644 (file)
index 0000000..16129c7
--- /dev/null
+++ b/kernel/drivers/acpi/apei/apei-internal.h
@@ -0,0 +1,143 @@
+/*
+ * apei-internal.h - ACPI Platform Error Interface internal
+ * definations.
+ */
+
+#ifndef APEI_INTERNAL_H
+#define APEI_INTERNAL_H
+
+#include <linux/cper.h>
+#include <linux/acpi.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, bool optional);
+
+static inline int apei_exec_run(struct apei_exec_context *ctx, u8 action)
+{
+       return __apei_exec_run(ctx, action, 0);
+}
+
+/* It is optional whether the firmware provides the action */
+static inline int apei_exec_run_optional(struct apei_exec_context *ctx, u8 action)
+{
+       return __apei_exec_run(ctx, action, 1);
+}
+
+/* Common instruction implementation */
+
+/* IP has been set in instruction function */
+#define APEI_EXEC_SET_IP       1
+
+int apei_map_generic_address(struct acpi_generic_address *reg);
+
+static inline void apei_unmap_generic_address(struct acpi_generic_address *reg)
+{
+       acpi_os_unmap_generic_address(reg);
+}
+
+int apei_read(u64 *val, struct acpi_generic_address *reg);
+int apei_write(u64 val, struct acpi_generic_address *reg);
+
+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_add(struct apei_resources *resources,
+                      unsigned long start, unsigned long size,
+                      bool iomem);
+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 cper_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;
+}
+
+void cper_estatus_print(const char *pfx,
+                       const struct acpi_hest_generic_status *estatus);
+int cper_estatus_check_header(const struct acpi_hest_generic_status *estatus);
+int cper_estatus_check(const struct acpi_hest_generic_status *estatus);
+
+int apei_osc_setup(void);
+#endif