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Diffstat (limited to 'OldMdePkg/Include/Protocol/FirmwareVolumeBlock.h')
| -rw-r--r-- | OldMdePkg/Include/Protocol/FirmwareVolumeBlock.h | 251 |
1 files changed, 251 insertions, 0 deletions
diff --git a/OldMdePkg/Include/Protocol/FirmwareVolumeBlock.h b/OldMdePkg/Include/Protocol/FirmwareVolumeBlock.h new file mode 100644 index 0000000000..0c3d03276b --- /dev/null +++ b/OldMdePkg/Include/Protocol/FirmwareVolumeBlock.h @@ -0,0 +1,251 @@ +/** @file
+ This file declares Firmware Volume Block protocol.
+
+ Low level firmware device access routines to abstract firmware device
+ hardware.
+
+ Copyright (c) 2006, 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: FirmwareVolumeBlock.h
+
+ @par Revision Reference:
+ This protocol is defined in Framework of EFI Firmware Volume Block specification.
+ Version 0.9
+
+**/
+
+#ifndef __FIRMWARE_VOLUME_BLOCK_H__
+#define __FIRMWARE_VOLUME_BLOCK_H__
+
+
+#define EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL_GUID \
+ { \
+ 0xDE28BC59, 0x6228, 0x41BD, {0xBD, 0xF6, 0xA3, 0xB9, 0xAD, 0xB5, 0x8D, 0xA1 } \
+ }
+
+typedef struct _EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL;
+
+/**
+ Retrieves Volume attributes. No polarity translations are done.
+
+ @param This Calling context
+ @param Attributes output buffer which contains attributes
+
+ @retval EFI_INVALID_PARAMETER
+ @retval EFI_SUCCESS
+
+**/
+typedef
+EFI_STATUS
+(EFIAPI *EFI_FVB_GET_ATTRIBUTES) (
+ IN EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,
+ OUT EFI_FVB_ATTRIBUTES *Attributes
+ )
+;
+
+/**
+ Sets Volume attributes. No polarity translations are done.
+
+ @param This Calling context
+ @param Attributes On input: contains new attributes
+ On output: contains current attributes of FV
+
+ @retval EFI_INVALID_PARAMETER
+ @retval EFI_SUCCESS
+
+**/
+typedef
+EFI_STATUS
+(EFIAPI *EFI_FVB_SET_ATTRIBUTES) (
+ IN EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,
+ IN OUT EFI_FVB_ATTRIBUTES *Attributes
+ )
+;
+
+/**
+ Retrieves the physical address of a memory mapped FV.
+
+ @param This Calling context
+ @param Attributes Address is a pointer to a caller allocated EFI_PHYSICAL_ADDRESS
+ that on successful return from GetPhysicalAddress() contains the
+ base address of the firmware volume.
+
+ @retval EFI_UNSUPPORTED
+ @retval EFI_SUCCESS
+
+**/
+typedef
+EFI_STATUS
+(EFIAPI *EFI_FVB_GET_PHYSICAL_ADDRESS) (
+ IN EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,
+ OUT EFI_PHYSICAL_ADDRESS *Address
+ )
+;
+
+/**
+ Retrieves the size in bytes of a specific block within an FV.
+
+ @param This Calling context.
+ @param Lba Indicates which block to return the size for.
+ @param BlockSize BlockSize is a pointer to a caller allocated
+ UINTN in which the size of the block is returned.
+ @param NumberOfBlocks NumberOfBlocks is a pointer to a caller allocated
+ UINTN in which the number of consecutive blocks
+ starting with Lba is returned. All blocks in this
+ range have a size of BlockSize.
+
+ @retval EFI_INVALID_PARAMETER
+ @retval EFI_SUCCESS
+
+**/
+typedef
+EFI_STATUS
+(EFIAPI *EFI_FVB_GET_BLOCK_SIZE) (
+ IN EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,
+ IN EFI_LBA Lba,
+ OUT UINTN *BlockSize,
+ OUT UINTN *NumberOfBlocks
+ )
+;
+
+/**
+ Reads data beginning at Lba:Offset from FV and places the data in Buffer.
+ The read terminates either when *NumBytes of data have been read, or when
+ a block boundary is reached. *NumBytes is updated to reflect the actual
+ number of bytes read.
+
+ @param This Calling context
+ @param Lba Block in which to begin read
+ @param Offset Offset in the block at which to begin read
+ @param NumBytes At input, indicates the requested read size. At output, indicates
+ the actual number of bytes read.
+ @param Buffer Data buffer in which to place data read.
+
+ @retval EFI_INVALID_PARAMETER
+ @retval EFI_NOT_FOUND
+ @retval EFI_DEVICE_ERROR
+ @retval EFI_SUCCESS
+
+**/
+typedef
+EFI_STATUS
+(EFIAPI *EFI_FVB_READ) (
+ IN EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,
+ IN EFI_LBA Lba,
+ IN UINTN Offset,
+ IN OUT UINTN *NumBytes,
+ OUT UINT8 *Buffer
+ )
+;
+
+/**
+ Writes data beginning at Lba:Offset from FV. The write terminates either
+ when *NumBytes of data have been written, or when a block boundary is
+ reached. *NumBytes is updated to reflect the actual number of bytes
+ written.
+
+ @param This Calling context
+ @param Lba Block in which to begin write
+ @param Offset Offset in the block at which to begin write
+ @param NumBytes At input, indicates the requested write size. At output, indicates
+ the actual number of bytes written.
+ @param Buffer Buffer containing source data for the write.
+
+ @retval EFI_INVALID_PARAMETER
+ @retval EFI_NOT_FOUND
+ @retval EFI_DEVICE_ERROR
+ @retval EFI_SUCCESS
+
+**/
+typedef
+EFI_STATUS
+(EFIAPI *EFI_FVB_WRITE) (
+ IN EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,
+ IN EFI_LBA Lba,
+ IN UINTN Offset,
+ IN OUT UINTN *NumBytes,
+ IN UINT8 *Buffer
+ )
+;
+
+#define EFI_LBA_LIST_TERMINATOR 0xFFFFFFFFFFFFFFFFULL
+
+/**
+ The EraseBlock() function erases one or more blocks as denoted by the
+ variable argument list. The entire parameter list of blocks must be verified
+ prior to erasing any blocks. If a block is requested that does not exist
+ within the associated firmware volume (it has a larger index than the last
+ block of the firmware volume), the EraseBlock() function must return
+ EFI_INVALID_PARAMETER without modifying the contents of the firmware volume.
+
+ @param This Calling context
+ @param ... Starting LBA followed by Number of Lba to erase. a -1 to terminate
+ the list.
+
+ @retval EFI_INVALID_PARAMETER
+ @retval EFI_DEVICE_ERROR
+ @retval EFI_SUCCESS
+ @retval EFI_ACCESS_DENIED
+
+**/
+typedef
+EFI_STATUS
+(EFIAPI *EFI_FVB_ERASE_BLOCKS) (
+ IN EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,
+ ...
+ )
+;
+
+/**
+ @par Protocol Description:
+ This protocol provides control over block-oriented firmware devices.
+ Typically, the FFS (or an alternate file system) driver consumes the
+ Firmware Volume Block Protocol and produces the Firmware Volume Protocol.
+
+ @param GetAttributes
+ Retrieves the current volume attributes.
+
+ @param SetAttributes
+ Sets the current volume attributes.
+
+ @param GetPhysicalAddress
+ Retrieves the memory-mapped address of the firmware volume.
+
+ @param GetBlockSize
+ Retrieves the size for a specific block.
+
+ @param Read
+ Reads n bytes into a buffer from the firmware volume hardware.
+
+ @param Write
+ Writes n bytes from a buffer into the firmware volume hardware.
+
+ @param EraseBlocks
+ Erases specified block(s) and sets all values as indicated by
+ the EFI_FVB_ERASE_POLARITY bit.
+
+ @param ParentHandle
+ Handle of the parent firmware volume.
+
+**/
+struct _EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL {
+ EFI_FVB_GET_ATTRIBUTES GetVolumeAttributes;
+ EFI_FVB_SET_ATTRIBUTES SetVolumeAttributes;
+ EFI_FVB_GET_PHYSICAL_ADDRESS GetPhysicalAddress;
+ EFI_FVB_GET_BLOCK_SIZE GetBlockSize;
+ EFI_FVB_READ Read;
+ EFI_FVB_WRITE Write;
+ EFI_FVB_ERASE_BLOCKS EraseBlocks;
+ EFI_HANDLE ParentHandle;
+};
+
+extern EFI_GUID gEfiFirmwareVolumeBlockProtocolGuid;
+
+#endif
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