-/**\r
- @par Protocol Description:\r
- This protocol is used to abstract Block I/O interfaces.\r
-\r
- @param Revision \r
- The revision to which the disk I/O interface adheres. All future\r
- revisions must be backwards compatible. If a future version is not\r
- backwards compatible, it is not the same GUID.\r
-\r
- @param ReadDisk \r
- Reads data from the disk.\r
- \r
- @param WriteDisk \r
- Writes data to the disk.\r
-\r
-**/\r