Add in the 1st version of ECP.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2832 6f19259b-4bc3-4df7-8a09-765794883524

EdkCompatibilityPkg/Foundation/Framework/Ppi/BlockIo/BlockIo.h

@@ -0,0 +1,88 @@
+/*++
+
+Copyright (c) 1999 - 2002, Intel Corporation
+All rights reserved. This program and the accompanying materials
+are licensed and made available under the terms and conditions of the BSD License
+which accompanies this distribution.  The full text of the license may be found at
+http://opensource.org/licenses/bsd-license.php
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+
+Module Name:
+
+  BlockIo.h
+
+Abstract:
+
+  BlockIo PPI as defined in EFI 2.0
+
+  Used to access block-oriented storage devices
+
+--*/
+
+#ifndef _PEI_BLOCK_IO_H_
+#define _PEI_BLOCK_IO_H_
+
+#define PEI_BLOCK_IO_PPI_GUID \
+  { \
+    0x695d8aa1, 0x42ee, 0x4c46, 0x80, 0x5c, 0x6e, 0xa6, 0xbc, 0xe7, 0x99, 0xe3 \
+  }
+
+EFI_FORWARD_DECLARATION (PEI_RECOVERY_BLOCK_IO_INTERFACE);
+
+typedef UINT64  PEI_LBA;
+
+typedef enum {
+  LegacyFloppy  = 0,
+  IdeCDROM      = 1,
+  IdeLS120      = 2,
+  UsbMassStorage= 3,
+  MaxDeviceType
+} PEI_BLOCK_DEVICE_TYPE;
+
+typedef struct {
+  PEI_BLOCK_DEVICE_TYPE DeviceType;
+  BOOLEAN               MediaPresent;
+  UINTN                 LastBlock;
+  UINTN                 BlockSize;
+} PEI_BLOCK_IO_MEDIA;
+
+typedef
+EFI_STATUS
+(EFIAPI *PEI_GET_NUMBER_BLOCK_DEVICES) (
+  IN  EFI_PEI_SERVICES                         **PeiServices,
+  IN PEI_RECOVERY_BLOCK_IO_INTERFACE           * This,
+  OUT UINTN                                    *NumberBlockDevices
+  );
+
+typedef
+EFI_STATUS
+(EFIAPI *PEI_GET_DEVICE_MEDIA_INFORMATION) (
+  IN  EFI_PEI_SERVICES                         **PeiServices,
+  IN PEI_RECOVERY_BLOCK_IO_INTERFACE           * This,
+  IN UINTN                                     DeviceIndex,
+  OUT PEI_BLOCK_IO_MEDIA                       * MediaInfo
+  );
+
+typedef
+EFI_STATUS
+(EFIAPI *PEI_READ_BLOCKS) (
+  IN  EFI_PEI_SERVICES                         **PeiServices,
+  IN PEI_RECOVERY_BLOCK_IO_INTERFACE           * This,
+  IN UINTN                                     DeviceIndex,
+  IN PEI_LBA                                   StartLBA,
+  IN UINTN                                     BufferSize,
+  OUT VOID                                     *Buffer
+  );
+
+typedef struct _PEI_RECOVERY_BLOCK_IO_INTERFACE {
+  PEI_GET_NUMBER_BLOCK_DEVICES      GetNumberOfBlockDevices;
+  PEI_GET_DEVICE_MEDIA_INFORMATION  GetBlockDeviceMediaInfo;
+  PEI_READ_BLOCKS                   ReadBlocks;
+} PEI_RECOVERY_BLOCK_IO_INTERFACE;
+
+extern EFI_GUID gPeiBlockIoPpiGuid;
+
+#endif