+++ /dev/null
-/*++\r
-\r
-Copyright (c) 2006, 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
-Module Name:\r
-\r
- FwVolBlock.h\r
-\r
-Abstract:\r
-\r
- Firmware Volume Block protocol.. Consumes FV hobs and creates\r
- appropriate block protocols.\r
-\r
- Also consumes NT_NON_MM_FV envinronment variable and produces appropriate\r
- block protocols fro them also... (this is TBD)\r
-\r
---*/\r
-\r
-#ifndef _FWVOL_BLOCK_H_\r
-#define _FWVOL_BLOCK_H_\r
-\r
-\r
-#define FVB_DEVICE_SIGNATURE EFI_SIGNATURE_32('_','F','V','B')\r
-\r
-typedef struct {\r
- UINTN Base;\r
- UINTN Length;\r
-} LBA_CACHE;\r
-\r
-typedef struct {\r
- MEMMAP_DEVICE_PATH MemMapDevPath;\r
- EFI_DEVICE_PATH_PROTOCOL EndDevPath;\r
-} FV_DEVICE_PATH;\r
-\r
-\r
-typedef struct {\r
- UINTN Signature;\r
- EFI_HANDLE Handle;\r
- FV_DEVICE_PATH DevicePath;\r
- EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL FwVolBlockInstance;\r
- UINTN NumBlocks;\r
- LBA_CACHE *LbaCache;\r
- UINT32 FvbAttributes;\r
- EFI_PHYSICAL_ADDRESS BaseAddress;\r
-} EFI_FW_VOL_BLOCK_DEVICE;\r
-\r
-#define FVB_DEVICE_FROM_THIS(a) \\r
- CR(a, EFI_FW_VOL_BLOCK_DEVICE, FwVolBlockInstance, FVB_DEVICE_SIGNATURE)\r
-\r
-\r
-\r
-EFI_STATUS\r
-EFIAPI\r
-FwVolBlockDriverInit (\r
- IN EFI_HANDLE ImageHandle,\r
- IN EFI_SYSTEM_TABLE *SystemTable\r
- )\r
-/*++\r
-\r
-Routine Description:\r
- This routine is the driver initialization entry point. It initializes the\r
- libraries, consumes FV hobs and NT_NON_MM_FV environment variable and\r
- produces instances of FW_VOL_BLOCK_PROTOCOL as appropriate.\r
-Arguments:\r
- ImageHandle - The image handle.\r
- SystemTable - The system table.\r
-Returns:\r
- EFI_SUCCESS - Successfully initialized firmware volume block driver.\r
---*/\r
-;\r
-\r
-\r
-EFI_STATUS\r
-EFIAPI\r
-FwVolBlockGetAttributes (\r
- IN EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,\r
- OUT EFI_FVB_ATTRIBUTES *Attributes\r
- )\r
-/*++\r
-\r
-Routine Description:\r
- Retrieves Volume attributes. No polarity translations are done.\r
-\r
-Arguments:\r
- This - Calling context\r
- Attributes - output buffer which contains attributes\r
-\r
-Returns:\r
- EFI_SUCCESS - The firmware volume attributes were returned.\r
-\r
---*/\r
-;\r
-\r
-\r
-EFI_STATUS\r
-EFIAPI\r
-FwVolBlockSetAttributes (\r
- IN EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,\r
- OUT EFI_FVB_ATTRIBUTES *Attributes\r
- )\r
-/*++\r
-\r
-Routine Description:\r
- Modifies the current settings of the firmware volume according to the input parameter.\r
-\r
-Arguments:\r
- This - Calling context\r
- Attributes - input buffer which contains attributes\r
-\r
-Returns:\r
- EFI_SUCCESS - The firmware volume attributes were returned.\r
- EFI_INVALID_PARAMETER - The attributes requested are in conflict with the capabilities as\r
- declared in the firmware volume header.\r
- EFI_UNSUPPORTED - Not supported.\r
---*/\r
-;\r
-\r
-\r
-EFI_STATUS\r
-EFIAPI\r
-FwVolBlockEraseBlock (\r
- IN EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,\r
- ...\r
- )\r
-/*++\r
-\r
-Routine Description:\r
- The EraseBlock() function erases one or more blocks as denoted by the \r
-variable argument list. The entire parameter list of blocks must be verified\r
-prior to erasing any blocks. If a block is requested that does not exist \r
-within the associated firmware volume (it has a larger index than the last \r
-block of the firmware volume), the EraseBlock() function must return\r
-EFI_INVALID_PARAMETER without modifying the contents of the firmware volume.\r
-\r
-Arguments:\r
- This - Calling context\r
- ... - Starting LBA followed by Number of Lba to erase. a -1 to terminate\r
- the list.\r
- \r
-Returns:\r
- EFI_SUCCESS - The erase request was successfully completed.\r
- EFI_ACCESS_DENIED - The firmware volume is in the WriteDisabled state.\r
- EFI_DEVICE_ERROR - The block device is not functioning correctly and could not be\r
- written. The firmware device may have been partially erased.\r
- EFI_INVALID_PARAMETER - One or more of the LBAs listed in the variable argument list do\r
- EFI_UNSUPPORTED - Not supported.\r
- \r
---*/\r
-;\r
-\r
-\r
-EFI_STATUS\r
-EFIAPI\r
-FwVolBlockReadBlock (\r
- IN EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,\r
- IN EFI_LBA Lba,\r
- IN UINTN Offset,\r
- IN OUT UINTN *NumBytes,\r
- IN UINT8 *Buffer\r
- )\r
-/*++\r
-\r
-Routine Description:\r
- Read the specified number of bytes from the block to the input buffer.\r
-\r
-Arguments:\r
- This - Indicates the calling context.\r
- Lba - The starting logical block index to read.\r
- Offset - Offset into the block at which to begin reading.\r
- NumBytes - Pointer to a UINT32. At entry, *NumBytes contains the\r
- total size of the buffer. At exit, *NumBytes contains the\r
- total number of bytes actually read.\r
- Buffer - Pinter to a caller-allocated buffer that contains the destine\r
- for the read. \r
-\r
-Returns: \r
- EFI_SUCCESS - The firmware volume was read successfully.\r
- EFI_BAD_BUFFER_SIZE - The read was attempted across an LBA boundary.\r
- EFI_ACCESS_DENIED - Access denied.\r
- EFI_DEVICE_ERROR - The block device is malfunctioning and could not be read.\r
---*/\r
-;\r
-\r
- \r
-EFI_STATUS\r
-EFIAPI\r
-FwVolBlockWriteBlock (\r
- IN EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,\r
- IN EFI_LBA Lba,\r
- IN UINTN Offset,\r
- IN OUT UINTN *NumBytes,\r
- IN UINT8 *Buffer\r
- )\r
-/*++\r
-\r
-Routine Description:\r
- Writes the specified number of bytes from the input buffer to the block.\r
-\r
-Arguments:\r
- This - Indicates the calling context.\r
- Lba - The starting logical block index to write to.\r
- Offset - Offset into the block at which to begin writing.\r
- NumBytes - Pointer to a UINT32. At entry, *NumBytes contains the\r
- total size of the buffer. At exit, *NumBytes contains the\r
- total number of bytes actually written.\r
- Buffer - Pinter to a caller-allocated buffer that contains the source\r
- for the write. \r
-\r
-Returns: \r
- EFI_SUCCESS - The firmware volume was written successfully.\r
- EFI_BAD_BUFFER_SIZE - The write was attempted across an LBA boundary. On output,\r
- NumBytes contains the total number of bytes actually written.\r
- EFI_ACCESS_DENIED - The firmware volume is in the WriteDisabled state.\r
- EFI_DEVICE_ERROR - The block device is malfunctioning and could not be written.\r
- EFI_UNSUPPORTED - Not supported.\r
---*/\r
-;\r
-\r
- \r
-EFI_STATUS\r
-EFIAPI\r
-FwVolBlockGetPhysicalAddress (\r
- IN EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,\r
- OUT EFI_PHYSICAL_ADDRESS *Address\r
- )\r
-/*++\r
-\r
-Routine Description:\r
- Get Fvb's base address.\r
-\r
-Arguments:\r
- This - Indicates the calling context.\r
- Address - Fvb device base address.\r
-\r
-Returns: \r
- EFI_SUCCESS - Successfully got Fvb's base address.\r
- EFI_UNSUPPORTED - Not supported.\r
---*/\r
-;\r
-\r
-\r
-EFI_STATUS\r
-EFIAPI\r
-FwVolBlockGetBlockSize (\r
- IN EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,\r
- IN EFI_LBA Lba,\r
- OUT UINTN *BlockSize,\r
- OUT UINTN *NumberOfBlocks\r
- )\r
-/*++\r
-\r
-Routine Description:\r
- Retrieves the size in bytes of a specific block within a firmware volume.\r
-\r
-Arguments:\r
- This - Indicates the calling context.\r
- Lba - Indicates the block for which to return the size.\r
- BlockSize - Pointer to a caller-allocated UINTN in which the size of the\r
- block is returned.\r
- NumberOfBlocks - Pointer to a caller-allocated UINTN in which the number of\r
- consecutive blocks starting with Lba is returned. All blocks\r
- in this range have a size of BlockSize. \r
-Returns:\r
- EFI_SUCCESS - The firmware volume base address is returned.\r
- EFI_INVALID_PARAMETER - The requested LBA is out of range.\r
---*/\r
-;\r
-EFI_STATUS\r
-FwVolBlockDriverInit (\r
- IN EFI_HANDLE ImageHandle,\r
- IN EFI_SYSTEM_TABLE *SystemTable\r
- )\r
-/*++\r
-\r
-Routine Description:\r
- This routine is the driver initialization entry point. It initializes the\r
- libraries, consumes FV hobs and NT_NON_MM_FV environment variable and\r
- produces instances of FW_VOL_BLOCK_PROTOCOL as appropriate.\r
-Arguments:\r
- ImageHandle - The image handle.\r
- SystemTable - The system table.\r
-Returns:\r
- Status code\r
-\r
---*/\r
-;\r
-\r
-EFI_STATUS\r
-ProduceFVBProtocolOnBuffer (\r
- IN EFI_PHYSICAL_ADDRESS BaseAddress,\r
- IN UINT64 Length,\r
- IN EFI_HANDLE ParentHandle,\r
- OUT EFI_HANDLE *FvProtocolHandle OPTIONAL\r
- )\r
-/*++\r
-\r
-Routine Description:\r
- This routine produces a firmware volume block protocol on a given\r
- buffer. \r
-\r
-Arguments:\r
- BaseAddress - base address of the firmware volume image\r
- Length - length of the firmware volume image\r
- ParentHandle - handle of parent firmware volume, if this\r
- image came from an FV image file in another\r
- firmware volume (ala capsules)\r
- FvProtocolHandle - Firmware volume block protocol produced.\r
- \r
-Returns:\r
- EFI_VOLUME_CORRUPTED - Volume corrupted.\r
- EFI_OUT_OF_RESOURCES - No enough buffer to be allocated.\r
- EFI_SUCCESS - Successfully produced a FVB protocol on given buffer.\r
- \r
---*/\r
-;\r
-\r
-#endif\r
projects / mirror_edk2.git / blobdiff