--- /dev/null
+/** @file\r
+ Block IO (memory mapped)\r
+\r
+ Copyright (c) 2006 - 2010, Intel Corporation \r
+ All rights reserved. This program and the accompanying materials \r
+ are licensed and made available under the terms and conditions of the BSD License \r
+ which accompanies this distribution. The full text of the license may be found at \r
+ http://opensource.org/licenses/bsd-license.php \r
+\r
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r
+\r
+**/\r
+\r
+#ifndef __BLOCK_MMIO_H__\r
+#define __BLOCK_MMIO_H__\r
+\r
+#include <Protocol/BlockIo.h>\r
+\r
+#define BLOCK_MMIO_PROTOCOL_GUID \\r
+ { \\r
+ 0x6b558ce3, 0x69e5, 0x4c67, {0xa6, 0x34, 0xf7, 0xfe, 0x72, 0xad, 0xbe, 0x84 } \\r
+ }\r
+\r
+typedef struct _BLOCK_MMIO_PROTOCOL BLOCK_MMIO_PROTOCOL;\r
+\r
+\r
+///\r
+/// This protocol provides control over block devices.\r
+///\r
+struct _BLOCK_MMIO_PROTOCOL {\r
+ ///\r
+ /// The revision to which the block IO interface adheres. All future\r
+ /// revisions must be backwards compatible. If a future version is not\r
+ /// back wards compatible, it is not the same GUID.\r
+ ///\r
+ UINT64 Revision;\r
+ ///\r
+ /// Pointer to the EFI_BLOCK_IO_MEDIA data for this device.\r
+ ///\r
+ EFI_BLOCK_IO_MEDIA *Media;\r
+\r
+ EFI_PHYSICAL_ADDRESS BaseAddress;\r
+\r
+};\r
+\r
+extern EFI_GUID gBlockMmioProtocolGuid;\r
+\r
+#endif\r
+\r