diff options
Diffstat (limited to 'EdkCompatibilityPkg/Foundation/Framework/Ppi/BlockIo/BlockIo.h')
-rw-r--r-- | EdkCompatibilityPkg/Foundation/Framework/Ppi/BlockIo/BlockIo.h | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/EdkCompatibilityPkg/Foundation/Framework/Ppi/BlockIo/BlockIo.h b/EdkCompatibilityPkg/Foundation/Framework/Ppi/BlockIo/BlockIo.h new file mode 100644 index 0000000000..5433edb370 --- /dev/null +++ b/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
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