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-rw-r--r--include/acpi/actypes.h29
1 files changed, 17 insertions, 12 deletions
diff --git a/include/acpi/actypes.h b/include/acpi/actypes.h
index 599657eac2d..75ec153338e 100644
--- a/include/acpi/actypes.h
+++ b/include/acpi/actypes.h
@@ -639,46 +639,51 @@ typedef u8 acpi_adr_space_type;
/*
* External ACPI object definition
*/
+
+/*
+ * Note: Type == ACPI_TYPE_ANY (0) is used to indicate a NULL package element
+ * or an unresolved named reference.
+ */
union acpi_object {
acpi_object_type type; /* See definition of acpi_ns_type for values */
struct {
- acpi_object_type type;
+ acpi_object_type type; /* ACPI_TYPE_INTEGER */
acpi_integer value; /* The actual number */
} integer;
struct {
- acpi_object_type type;
+ acpi_object_type type; /* ACPI_TYPE_STRING */
u32 length; /* # of bytes in string, excluding trailing null */
char *pointer; /* points to the string value */
} string;
struct {
- acpi_object_type type;
+ acpi_object_type type; /* ACPI_TYPE_BUFFER */
u32 length; /* # of bytes in buffer */
u8 *pointer; /* points to the buffer */
} buffer;
struct {
- acpi_object_type type;
- u32 fill1;
- acpi_handle handle; /* object reference */
- } reference;
-
- struct {
- acpi_object_type type;
+ acpi_object_type type; /* ACPI_TYPE_PACKAGE */
u32 count; /* # of elements in package */
union acpi_object *elements; /* Pointer to an array of ACPI_OBJECTs */
} package;
struct {
- acpi_object_type type;
+ acpi_object_type type; /* ACPI_TYPE_LOCAL_REFERENCE */
+ acpi_object_type actual_type; /* Type associated with the Handle */
+ acpi_handle handle; /* object reference */
+ } reference;
+
+ struct {
+ acpi_object_type type; /* ACPI_TYPE_PROCESSOR */
u32 proc_id;
acpi_io_address pblk_address;
u32 pblk_length;
} processor;
struct {
- acpi_object_type type;
+ acpi_object_type type; /* ACPI_TYPE_POWER */
u32 system_level;
u32 resource_order;
} power_resource;