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-rw-r--r--include/acpi/acstruct.h90
1 files changed, 54 insertions, 36 deletions
diff --git a/include/acpi/acstruct.h b/include/acpi/acstruct.h
index b8a6d6110d57..5e8095f0f78f 100644
--- a/include/acpi/acstruct.h
+++ b/include/acpi/acstruct.h
@@ -53,17 +53,25 @@
****************************************************************************/
/*
- * Walk state - current state of a parse tree walk. Used for both a leisurely stroll through
- * the tree (for whatever reason), and for control method execution.
+ * Walk state - current state of a parse tree walk. Used for both a leisurely
+ * stroll through the tree (for whatever reason), and for control method
+ * execution.
*/
#define ACPI_NEXT_OP_DOWNWARD 1
#define ACPI_NEXT_OP_UPWARD 2
+/*
+ * Groups of definitions for walk_type used for different implementations of
+ * walkers (never simultaneously) - flags for interpreter:
+ */
#define ACPI_WALK_NON_METHOD 0
-#define ACPI_WALK_METHOD 1
-#define ACPI_WALK_METHOD_RESTART 2
-#define ACPI_WALK_CONST_REQUIRED 3
-#define ACPI_WALK_CONST_OPTIONAL 4
+#define ACPI_WALK_METHOD 0x01
+#define ACPI_WALK_METHOD_RESTART 0x02
+
+/* Flags for i_aSL compiler only */
+
+#define ACPI_WALK_CONST_REQUIRED 0x10
+#define ACPI_WALK_CONST_OPTIONAL 0x20
struct acpi_walk_state {
struct acpi_walk_state *next; /* Next walk_state in list */
@@ -134,32 +142,6 @@ struct acpi_init_walk_info {
struct acpi_table_desc *table_desc;
};
-/* Info used by acpi_ns_initialize_devices */
-
-struct acpi_device_walk_info {
- u16 device_count;
- u16 num_STA;
- u16 num_INI;
- struct acpi_table_desc *table_desc;
-};
-
-/* TBD: [Restructure] Merge with struct above */
-
-struct acpi_walk_info {
- u32 debug_level;
- u32 count;
- acpi_owner_id owner_id;
- u8 display_type;
-};
-
-/* Display Types */
-
-#define ACPI_DISPLAY_SUMMARY (u8) 0
-#define ACPI_DISPLAY_OBJECTS (u8) 1
-#define ACPI_DISPLAY_MASK (u8) 1
-
-#define ACPI_DISPLAY_SHORT (u8) 2
-
struct acpi_get_devices_info {
acpi_walk_callback user_function;
void *context;
@@ -192,16 +174,21 @@ union acpi_aml_operands {
} mid;
};
-/* Internal method parameter list */
-
-struct acpi_parameter_info {
- struct acpi_namespace_node *node;
+/*
+ * Structure used to pass object evaluation parameters.
+ * Purpose is to reduce CPU stack use.
+ */
+struct acpi_evaluate_info {
+ struct acpi_namespace_node *prefix_node;
+ char *pathname;
union acpi_operand_object *obj_desc;
union acpi_operand_object **parameters;
+ struct acpi_namespace_node *resolved_node;
union acpi_operand_object *return_object;
u8 pass_number;
u8 parameter_type;
u8 return_object_type;
+ u8 flags;
};
/* Types for parameter_type above */
@@ -209,4 +196,35 @@ struct acpi_parameter_info {
#define ACPI_PARAM_ARGS 0
#define ACPI_PARAM_GPE 1
+/* Values for Flags above */
+
+#define ACPI_IGNORE_RETURN_VALUE 1
+
+/* Info used by acpi_ns_initialize_devices */
+
+struct acpi_device_walk_info {
+ u16 device_count;
+ u16 num_STA;
+ u16 num_INI;
+ struct acpi_table_desc *table_desc;
+ struct acpi_evaluate_info *evaluate_info;
+};
+
+/* TBD: [Restructure] Merge with struct above */
+
+struct acpi_walk_info {
+ u32 debug_level;
+ u32 count;
+ acpi_owner_id owner_id;
+ u8 display_type;
+};
+
+/* Display Types */
+
+#define ACPI_DISPLAY_SUMMARY (u8) 0
+#define ACPI_DISPLAY_OBJECTS (u8) 1
+#define ACPI_DISPLAY_MASK (u8) 1
+
+#define ACPI_DISPLAY_SHORT (u8) 2
+
#endif