summaryrefslogtreecommitdiff
path: root/MdePkg
diff options
context:
space:
mode:
Diffstat (limited to 'MdePkg')
-rw-r--r--MdePkg/Include/Protocol/SerialIo.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/MdePkg/Include/Protocol/SerialIo.h b/MdePkg/Include/Protocol/SerialIo.h
index 51eaa53809..e2e0c61eeb 100644
--- a/MdePkg/Include/Protocol/SerialIo.h
+++ b/MdePkg/Include/Protocol/SerialIo.h
@@ -263,6 +263,7 @@ typedef struct {
} EFI_SERIAL_IO_MODE;
#define EFI_SERIAL_IO_PROTOCOL_REVISION 0x00010000
+#define EFI_SERIAL_IO_PROTOCOL_REVISION1p1 0x00010001
#define SERIAL_IO_INTERFACE_REVISION EFI_SERIAL_IO_PROTOCOL_REVISION
///
@@ -287,6 +288,14 @@ struct _EFI_SERIAL_IO_PROTOCOL {
/// Pointer to SERIAL_IO_MODE data.
///
EFI_SERIAL_IO_MODE *Mode;
+ ///
+ /// Pointer to a GUID identifying the device connected to the serial port.
+ /// This field is NULL when the protocol is installed by the serial port
+ /// driver and may be populated by a platform driver for a serial port
+ /// with a known device attached. The field will remain NULL if there is
+ /// no platform serial device identification information available.
+ ///
+ CONST EFI_GUID *DeviceTypeGuid; // Revision 1.1
};
extern EFI_GUID gEfiSerialIoProtocolGuid;