efi_loader: support for Ctrl() device path node
* Add the definitions for Ctrl() device path nodes.
* Implement Ctrl() nodes in the device path to text protocol.
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
diff --git a/include/efi_api.h b/include/efi_api.h
index 2d18d25..c57868a 100644
--- a/include/efi_api.h
+++ b/include/efi_api.h
@@ -570,6 +570,7 @@
#define DEVICE_PATH_TYPE_HARDWARE_DEVICE 0x01
# define DEVICE_PATH_SUB_TYPE_MEMORY 0x03
# define DEVICE_PATH_SUB_TYPE_VENDOR 0x04
+# define DEVICE_PATH_SUB_TYPE_CONTROLLER 0x05
struct efi_device_path_memory {
struct efi_device_path dp;
@@ -584,6 +585,11 @@
u8 vendor_data[];
} __packed;
+struct efi_device_path_controller {
+ struct efi_device_path dp;
+ u32 controller_number;
+} __packed;
+
#define DEVICE_PATH_TYPE_ACPI_DEVICE 0x02
# define DEVICE_PATH_SUB_TYPE_ACPI_DEVICE 0x01