diff options
| author | bbahnsen <bbahnsen@6f19259b-4bc3-4df7-8a09-765794883524> | 2006-04-21 22:54:32 +0000 |
|---|---|---|
| committer | bbahnsen <bbahnsen@6f19259b-4bc3-4df7-8a09-765794883524> | 2006-04-21 22:54:32 +0000 |
| commit | 878ddf1fc3540a715f63594ed22b6929e881afb4 (patch) | |
| tree | c56c44dac138137b510e1fba7c3efe5e4d84bea2 /EdkNt32Pkg/RuntimeDxe | |
| download | edk2-platforms-878ddf1fc3540a715f63594ed22b6929e881afb4.tar.xz | |
Initial import.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@3 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'EdkNt32Pkg/RuntimeDxe')
| -rw-r--r-- | EdkNt32Pkg/RuntimeDxe/FvbServices/Common/FWBlockService.c | 1939 | ||||
| -rw-r--r-- | EdkNt32Pkg/RuntimeDxe/FvbServices/Common/FwBlockService.h | 324 | ||||
| -rw-r--r-- | EdkNt32Pkg/RuntimeDxe/FvbServices/Common/ia32/Ia32Fwh.c | 42 | ||||
| -rw-r--r-- | EdkNt32Pkg/RuntimeDxe/FvbServices/Nt32Fwh.dxs | 27 | ||||
| -rw-r--r-- | EdkNt32Pkg/RuntimeDxe/FvbServices/Nt32Fwh.mbd | 47 | ||||
| -rw-r--r-- | EdkNt32Pkg/RuntimeDxe/FvbServices/Nt32Fwh.msa | 89 | ||||
| -rw-r--r-- | EdkNt32Pkg/RuntimeDxe/FvbServices/build.xml | 47 | ||||
| -rw-r--r-- | EdkNt32Pkg/RuntimeDxe/FvbServices/nt32/FWBlockService.c | 1493 | ||||
| -rw-r--r-- | EdkNt32Pkg/RuntimeDxe/FvbServices/nt32/FvbInfo.c | 125 | ||||
| -rw-r--r-- | EdkNt32Pkg/RuntimeDxe/FvbServices/nt32/FwBlockService.h | 238 |
10 files changed, 4371 insertions, 0 deletions
diff --git a/EdkNt32Pkg/RuntimeDxe/FvbServices/Common/FWBlockService.c b/EdkNt32Pkg/RuntimeDxe/FvbServices/Common/FWBlockService.c new file mode 100644 index 0000000000..e22a3233c4 --- /dev/null +++ b/EdkNt32Pkg/RuntimeDxe/FvbServices/Common/FWBlockService.c @@ -0,0 +1,1939 @@ +/*++
+
+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:
+
+ FWBlockService.c
+
+Abstract:
+
+Revision History
+
+--*/
+
+#include "FWBlockService.h"
+#include "EfiFlashMap.h"
+#include EFI_GUID_DEFINITION (FlashMapHob)
+
+ESAL_FWB_GLOBAL *mFvbModuleGlobal;
+
+EFI_FW_VOL_BLOCK_DEVICE mFvbDeviceTemplate = {
+ FVB_DEVICE_SIGNATURE,
+ {
+ {
+ {
+ HARDWARE_DEVICE_PATH,
+ HW_MEMMAP_DP,
+ {
+ sizeof (MEMMAP_DEVICE_PATH),
+ 0
+ }
+ },
+ EfiMemoryMappedIO,
+ 0,
+ 0,
+ },
+ {
+ END_DEVICE_PATH_TYPE,
+ END_ENTIRE_DEVICE_PATH_SUBTYPE,
+ {
+ sizeof (EFI_DEVICE_PATH_PROTOCOL),
+ 0
+ }
+ }
+ },
+ 0,
+ {
+ FvbProtocolGetAttributes,
+ FvbProtocolSetAttributes,
+ FvbProtocolGetPhysicalAddress,
+ FvbProtocolGetBlockSize,
+ FvbProtocolRead,
+ FvbProtocolWrite,
+ FvbProtocolEraseBlocks,
+ NULL
+ },
+ {
+ FvbExtendProtocolEraseCustomBlockRange
+ }
+};
+
+EFI_DRIVER_ENTRY_POINT (FvbInitialize)
+
+
+VOID
+EFIAPI
+FvbVirtualddressChangeEvent (
+ IN EFI_EVENT Event,
+ IN VOID *Context
+ )
+/*++
+
+Routine Description:
+
+ Fixup internal data so that EFI and SAL can be call in virtual mode.
+ Call the passed in Child Notify event and convert the mFvbModuleGlobal
+ date items to there virtual address.
+
+ mFvbModuleGlobal->FvInstance[FVB_PHYSICAL] - Physical copy of instance data
+ mFvbModuleGlobal->FvInstance[FVB_VIRTUAL] - Virtual pointer to common
+ instance data.
+
+Arguments:
+
+ (Standard EFI notify event - EFI_EVENT_NOTIFY)
+
+Returns:
+
+ None
+
+--*/
+{
+ EFI_FW_VOL_INSTANCE *FwhInstance;
+ UINTN Index;
+
+ EfiConvertPointer (EFI_INTERNAL_POINTER, (VOID **) &mFvbModuleGlobal->FvInstance[FVB_VIRTUAL]);
+
+ //
+ // Convert the base address of all the instances
+ //
+ Index = 0;
+ FwhInstance = mFvbModuleGlobal->FvInstance[FVB_PHYSICAL];
+ while (Index < mFvbModuleGlobal->NumFv) {
+ EfiConvertPointer (EFI_INTERNAL_POINTER, (VOID **) &FwhInstance->FvBase[FVB_VIRTUAL]);
+ EfiConvertPointer (EFI_INTERNAL_POINTER, (VOID **) &FwhInstance->FvWriteBase[FVB_VIRTUAL]);
+ FwhInstance = (EFI_FW_VOL_INSTANCE *) ((UINTN)((UINT8 *)FwhInstance) + FwhInstance->VolumeHeader.HeaderLength
+ + (sizeof (EFI_FW_VOL_INSTANCE) - sizeof (EFI_FIRMWARE_VOLUME_HEADER)));
+ Index++;
+ }
+
+ EfiConvertPointer (EFI_INTERNAL_POINTER, (VOID **) &mFvbModuleGlobal->FvbScratchSpace[FVB_VIRTUAL]);
+ EfiConvertPointer (EFI_INTERNAL_POINTER, (VOID **) &mFvbModuleGlobal);
+}
+
+VOID
+FvbMemWrite8 (
+ IN UINT64 Dest,
+ IN UINT8 Byte
+ )
+{
+ EfiMemWrite (EfiCpuIoWidthUint8, Dest, 1, &Byte);
+
+ return ;
+}
+
+EFI_STATUS
+GetFvbInstance (
+ IN UINTN Instance,
+ IN ESAL_FWB_GLOBAL *Global,
+ OUT EFI_FW_VOL_INSTANCE **FwhInstance,
+ IN BOOLEAN Virtual
+ )
+/*++
+
+Routine Description:
+ Retrieves the physical address of a memory mapped FV
+
+Arguments:
+ Instance - The FV instance whose base address is going to be
+ returned
+ Global - Pointer to ESAL_FWB_GLOBAL that contains all
+ instance data
+ FwhInstance - The EFI_FW_VOL_INSTANCE fimrware instance structure
+ Virtual - Whether CPU is in virtual or physical mode
+
+Returns:
+ EFI_SUCCESS - Successfully returns
+ EFI_INVALID_PARAMETER - Instance not found
+
+--*/
+{
+ EFI_FW_VOL_INSTANCE *FwhRecord;
+
+ if (Instance >= Global->NumFv) {
+ return EFI_INVALID_PARAMETER;
+ }
+ //
+ // Find the right instance of the FVB private data
+ //
+ FwhRecord = Global->FvInstance[Virtual];
+ while (Instance > 0) {
+ FwhRecord = (EFI_FW_VOL_INSTANCE *) ((UINTN)((UINT8 *)FwhRecord) + FwhRecord->VolumeHeader.HeaderLength
+ + (sizeof (EFI_FW_VOL_INSTANCE) - sizeof (EFI_FIRMWARE_VOLUME_HEADER)));
+ Instance--;
+ }
+
+ *FwhInstance = FwhRecord;
+
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS
+FvbGetPhysicalAddress (
+ IN UINTN Instance,
+ OUT EFI_PHYSICAL_ADDRESS *Address,
+ IN ESAL_FWB_GLOBAL *Global,
+ IN BOOLEAN Virtual
+ )
+/*++
+
+Routine Description:
+ Retrieves the physical address of a memory mapped FV
+
+Arguments:
+ Instance - The FV instance whose base address is going to be
+ returned
+ Address - Pointer to a caller allocated EFI_PHYSICAL_ADDRESS
+ that on successful return, contains the base address
+ of the firmware volume.
+ Global - Pointer to ESAL_FWB_GLOBAL that contains all
+ instance data
+ Virtual - Whether CPU is in virtual or physical mode
+
+Returns:
+ EFI_SUCCESS - Successfully returns
+ EFI_INVALID_PARAMETER - Instance not found
+
+--*/
+{
+ EFI_FW_VOL_INSTANCE *FwhInstance;
+ EFI_STATUS Status;
+
+ //
+ // Find the right instance of the FVB private data
+ //
+ Status = GetFvbInstance (Instance, Global, &FwhInstance, Virtual);
+ ASSERT_EFI_ERROR (Status);
+ *Address = FwhInstance->FvBase[Virtual];
+
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS
+FvbGetVolumeAttributes (
+ IN UINTN Instance,
+ OUT EFI_FVB_ATTRIBUTES *Attributes,
+ IN ESAL_FWB_GLOBAL *Global,
+ IN BOOLEAN Virtual
+ )
+/*++
+
+Routine Description:
+ Retrieves attributes, insures positive polarity of attribute bits, returns
+ resulting attributes in output parameter
+
+Arguments:
+ Instance - The FV instance whose attributes is going to be
+ returned
+ Attributes - Output buffer which contains attributes
+ Global - Pointer to ESAL_FWB_GLOBAL that contains all
+ instance data
+ Virtual - Whether CPU is in virtual or physical mode
+
+Returns:
+ EFI_SUCCESS - Successfully returns
+ EFI_INVALID_PARAMETER - Instance not found
+
+--*/
+{
+ EFI_FW_VOL_INSTANCE *FwhInstance;
+ EFI_STATUS Status;
+
+ //
+ // Find the right instance of the FVB private data
+ //
+ Status = GetFvbInstance (Instance, Global, &FwhInstance, Virtual);
+ ASSERT_EFI_ERROR (Status);
+ *Attributes = FwhInstance->VolumeHeader.Attributes;
+
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS
+FvbGetLbaAddress (
+ IN UINTN Instance,
+ IN EFI_LBA Lba,
+ OUT UINTN *LbaAddress,
+ OUT UINTN *LbaWriteAddress,
+ OUT UINTN *LbaLength,
+ OUT UINTN *NumOfBlocks,
+ IN ESAL_FWB_GLOBAL *Global,
+ IN BOOLEAN Virtual
+ )
+/*++
+
+Routine Description:
+ Retrieves the starting address of an LBA in an FV
+
+Arguments:
+ Instance - The FV instance which the Lba belongs to
+ Lba - The logical block address
+ LbaAddress - On output, contains the physical starting address
+ of the Lba
+ LbaWriteAddress - On output, contains the physical starting address
+ of the Lba for writing
+ LbaLength - On output, contains the length of the block
+ NumOfBlocks - 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
+ Global - Pointer to ESAL_FWB_GLOBAL that contains all
+ instance data
+ Virtual - Whether CPU is in virtual or physical mode
+
+Returns:
+ EFI_SUCCESS - Successfully returns
+ EFI_INVALID_PARAMETER - Instance not found
+
+--*/
+{
+ UINT32 NumBlocks;
+ UINT32 BlockLength;
+ UINTN Offset;
+ EFI_LBA StartLba;
+ EFI_LBA NextLba;
+ EFI_FW_VOL_INSTANCE *FwhInstance;
+ EFI_FV_BLOCK_MAP_ENTRY *BlockMap;
+ EFI_STATUS Status;
+
+ //
+ // Find the right instance of the FVB private data
+ //
+ Status = GetFvbInstance (Instance, Global, &FwhInstance, Virtual);
+ ASSERT_EFI_ERROR (Status);
+
+ StartLba = 0;
+ Offset = 0;
+ BlockMap = &(FwhInstance->VolumeHeader.FvBlockMap[0]);
+
+ //
+ // Parse the blockmap of the FV to find which map entry the Lba belongs to
+ //
+ while (TRUE) {
+ NumBlocks = BlockMap->NumBlocks;
+ BlockLength = BlockMap->BlockLength;
+
+ if (NumBlocks == 0 || BlockLength == 0) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ NextLba = StartLba + NumBlocks;
+
+ //
+ // The map entry found
+ //
+ if (Lba >= StartLba && Lba < NextLba) {
+ Offset = Offset + (UINTN) MultU64x32 ((Lba - StartLba), BlockLength);
+ if (LbaAddress) {
+ *LbaAddress = FwhInstance->FvBase[Virtual] + Offset;
+ }
+
+ if (LbaWriteAddress) {
+ *LbaWriteAddress = FwhInstance->FvWriteBase[Virtual] + Offset;
+ }
+
+ if (LbaLength) {
+ *LbaLength = BlockLength;
+ }
+
+ if (NumOfBlocks) {
+ *NumOfBlocks = (UINTN) (NextLba - Lba);
+ }
+
+ return EFI_SUCCESS;
+ }
+
+ StartLba = NextLba;
+ Offset = Offset + NumBlocks * BlockLength;
+ BlockMap++;
+ }
+}
+
+EFI_STATUS
+FvbReadBlock (
+ IN UINTN Instance,
+ IN EFI_LBA Lba,
+ IN UINTN BlockOffset,
+ IN OUT UINTN *NumBytes,
+ IN UINT8 *Buffer,
+ IN ESAL_FWB_GLOBAL *Global,
+ IN BOOLEAN Virtual
+ )
+/*++
+
+Routine Description:
+ Reads specified number of bytes into a buffer from the specified block
+
+Arguments:
+ Instance - The FV instance to be read from
+ Lba - The logical block address to be read from
+ BlockOffset - Offset into the block at which to begin reading
+ NumBytes - Pointer that on input contains the total size of
+ the buffer. On output, it contains the total number
+ of bytes read
+ Buffer - Pointer to a caller allocated buffer that will be
+ used to hold the data read
+ Global - Pointer to ESAL_FWB_GLOBAL that contains all
+ instance data
+ Virtual - Whether CPU is in virtual or physical mode
+
+Returns:
+ EFI_SUCCESS - The firmware volume was read successfully and
+ contents are in Buffer
+ EFI_BAD_BUFFER_SIZE - Read attempted across a LBA boundary. On output,
+ NumBytes contains the total number of bytes returned
+ in Buffer
+ EFI_ACCESS_DENIED - The firmware volume is in the ReadDisabled state
+ EFI_DEVICE_ERROR - The block device is not functioning correctly and
+ could not be read
+ EFI_INVALID_PARAMETER - Instance not found, or NumBytes, Buffer are NULL
+
+--*/
+{
+ EFI_FVB_ATTRIBUTES Attributes;
+ UINTN LbaAddress;
+ UINTN LbaLength;
+ EFI_STATUS Status;
+
+ //
+ // Check for invalid conditions
+ //
+ if ((NumBytes == NULL) || (Buffer == NULL)) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ if (*NumBytes == 0) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ Status = FvbGetLbaAddress (Instance, Lba, &LbaAddress, NULL, &LbaLength, NULL, Global, Virtual);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+ //
+ // Check if the FV is read enabled
+ //
+ FvbGetVolumeAttributes (Instance, &Attributes, Global, Virtual);
+
+ if ((Attributes & EFI_FVB_READ_STATUS) == 0) {
+ return EFI_ACCESS_DENIED;
+ }
+ //
+ // Perform boundary checks and adjust NumBytes
+ //
+ if (BlockOffset > LbaLength) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ if (LbaLength < (*NumBytes + BlockOffset)) {
+ *NumBytes = (UINT32) (LbaLength - BlockOffset);
+ Status = EFI_BAD_BUFFER_SIZE;
+ }
+
+ EfiMemRead (EfiCpuIoWidthUint8, LbaAddress + BlockOffset, (UINTN) *NumBytes, Buffer);
+
+ return Status;
+}
+
+EFI_STATUS
+FlashFdWrite (
+ IN UINTN WriteAddress,
+ IN UINTN Address,
+ IN OUT UINTN *NumBytes,
+ IN UINT8 *Buffer,
+ IN UINTN LbaLength
+ )
+/*++
+
+Routine Description:
+ Writes specified number of bytes from the input buffer to the address
+
+Arguments:
+
+Returns:
+
+--*/
+{
+ UINT8 *Src;
+ UINT8 *Dest;
+ UINTN Count;
+ EFI_STATUS Status;
+ UINT8 HubCommand;
+ UINT8 HubData;
+ UINTN RetryTimes;
+
+ Status = EFI_SUCCESS;
+
+ EnableFvbWrites (TRUE);
+
+ //
+ // Grab the lock before entering critical code section
+ //
+ // bugbug
+ // Commented out since locking mechanisium is not correctly implemented
+ // on IA32 so that it will assert in runtime environment.
+ //
+ // EfiAcquireLock(&(FwhInstance->FvbDevLock));
+ //
+ // Write data one byte at a time, don't write if the src and dest bytes match
+ //
+ Dest = (UINT8 *) WriteAddress;
+ Src = Buffer;
+
+ for (Count = 0; Count < *NumBytes; Count++, Dest++, Src++) {
+
+ HubCommand = FWH_WRITE_SETUP_COMMAND;
+ FvbMemWrite8 ((UINT64) ((UINTN) Dest), HubCommand);
+ FvbMemWrite8 ((UINT64) ((UINTN) Dest), *Src);
+ HubCommand = FWH_READ_STATUS_COMMAND;
+ FvbMemWrite8 ((UINT64) ((UINTN) Dest), HubCommand);
+
+ //
+ // Device error if time out occurs
+ //
+ RetryTimes = 0;
+ while (RetryTimes < FVB_MAX_RETRY_TIMES) {
+ EfiMemRead (EfiCpuIoWidthUint8, (UINT64) ((UINTN) Dest), 0x1, &HubData);
+ if (HubData & FWH_WRITE_STATE_STATUS) {
+ break;
+ }
+
+ RetryTimes++;
+ }
+
+ if (RetryTimes >= FVB_MAX_RETRY_TIMES) {
+ *NumBytes = Count;
+ Status = EFI_DEVICE_ERROR;
+ break;
+ }
+ }
+ //
+ // Clear status register
+ //
+ HubCommand = FWH_CLEAR_STATUS_COMMAND;
+ FvbMemWrite8 ((UINT64) ((UINTN) Dest), HubCommand);
+
+ //
+ // Issue read array command to return the FWH state machine to the
+ // normal operational state
+ //
+ HubCommand = FWH_READ_ARRAY_COMMAND;
+ FvbMemWrite8 ((UINT64) ((UINTN) WriteAddress), HubCommand);
+ //
+ // Flush the changed area to make the cache consistent
+ //
+ EfiCpuFlushCache (WriteAddress, *NumBytes);
+
+ //
+ // End of critical code section, release lock.
+ //
+ // EfiReleaseLock(&(FwhInstance->FvbDevLock));
+ //
+ EnableFvbWrites (FALSE);
+
+ return Status;
+}
+
+EFI_STATUS
+FlashFdErase (
+ IN UINTN WriteAddress,
+ IN UINTN Address,
+ IN UINTN LbaLength
+ )
+/*++
+
+Routine Description:
+ Erase a certain block from address LbaWriteAddress
+
+Arguments:
+
+Returns:
+
+--*/
+{
+ EFI_STATUS Status;
+ UINT8 HubCommand;
+ UINT8 HubData;
+ UINTN RetryTimes;
+
+ Status = EFI_SUCCESS;
+
+ EnableFvbWrites (TRUE);
+
+ //
+ // Grab the lock before entering critical code section
+ //
+ // EfiAcquireLock(&(FwhInstance->FvbDevLock));
+ //
+ // Send erase commands to FWH
+ //
+ HubCommand = FWH_BLOCK_ERASE_SETUP_COMMAND;
+ FvbMemWrite8 ((UINT64) WriteAddress, HubCommand);
+ HubCommand = FWH_BLOCK_ERASE_CONFIRM_COMMAND;
+ FvbMemWrite8 ((UINT64) WriteAddress, HubCommand);
+ HubCommand = FWH_READ_STATUS_COMMAND;
+ FvbMemWrite8 ((UINT64) WriteAddress, HubCommand);
+
+ //
+ // Wait for completion. Indicated by FWH_WRITE_STATE_STATUS bit becoming 0
+ // Device error if time out occurs
+ //
+ RetryTimes = 0;
+ while (RetryTimes < FVB_MAX_RETRY_TIMES) {
+ EfiMemRead (EfiCpuIoWidthUint8, (UINT64) WriteAddress, 0x1, &HubData);
+ if (HubData & FWH_WRITE_STATE_STATUS) {
+ break;
+ }
+
+ RetryTimes++;
+ }
+
+ if (RetryTimes >= FVB_MAX_RETRY_TIMES) {
+ Status = EFI_DEVICE_ERROR;
+ }
+ //
+ // Clear status register
+ //
+ HubCommand = FWH_CLEAR_STATUS_COMMAND;
+ FvbMemWrite8 ((UINT64) WriteAddress, HubCommand);
+
+ //
+ // Issue read array command to return the FWH state machine to the normal op state
+ //
+ HubCommand = FWH_READ_ARRAY_COMMAND;
+ FvbMemWrite8 ((UINT64) ((UINTN) WriteAddress), HubCommand);
+
+ EfiCpuFlushCache (Address, LbaLength);
+
+ //
+ // End of critical code section, release lock.
+ //
+ // EfiReleaseLock(&(FwhInstance->FvbDevLock));
+ //
+ EnableFvbWrites (FALSE);
+
+ return Status;
+}
+
+EFI_STATUS
+FvbWriteBlock (
+ IN UINTN Instance,
+ IN EFI_LBA Lba,
+ IN UINTN BlockOffset,
+ IN OUT UINTN *NumBytes,
+ IN UINT8 *Buffer,
+ IN ESAL_FWB_GLOBAL *Global,
+ IN BOOLEAN Virtual
+ )
+/*++
+
+Routine Description:
+ Writes specified number of bytes from the input buffer to the block
+
+Arguments:
+ Instance - The FV instance to be written to
+ Lba - The starting logical block index to write to
+ BlockOffset - Offset into the block at which to begin writing
+ NumBytes - Pointer that on input contains the total size of
+ the buffer. On output, it contains the total number
+ of bytes actually written
+ Buffer - Pointer to a caller allocated buffer that contains
+ the source for the write
+ Global - Pointer to ESAL_FWB_GLOBAL that contains all
+ instance data
+ Virtual - Whether CPU is in virtual or physical mode
+
+Returns:
+ EFI_SUCCESS - The firmware volume was written successfully
+ EFI_BAD_BUFFER_SIZE - Write attempted across a LBA boundary. On output,
+ NumBytes contains the total number of bytes
+ actually written
+ EFI_ACCESS_DENIED - The firmware volume is in the WriteDisabled state
+ EFI_DEVICE_ERROR - The block device is not functioning correctly and
+ could not be written
+ EFI_INVALID_PARAMETER - Instance not found, or NumBytes, Buffer are NULL
+
+--*/
+{
+ EFI_FVB_ATTRIBUTES Attributes;
+ UINTN LbaAddress;
+ UINTN LbaWriteAddress;
+ UINTN LbaLength;
+ EFI_FW_VOL_INSTANCE *FwhInstance;
+ EFI_STATUS Status;
+ EFI_STATUS ReturnStatus;
+
+ //
+ // Find the right instance of the FVB private data
+ //
+ Status = GetFvbInstance (Instance, Global, &FwhInstance, Virtual);
+ ASSERT_EFI_ERROR (Status);
+
+ //
+ // Writes are enabled in the init routine itself
+ //
+ if (!FwhInstance->WriteEnabled) {
+ return EFI_ACCESS_DENIED;
+ }
+ //
+ // Check for invalid conditions
+ //
+ if ((NumBytes == NULL) || (Buffer == NULL)) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ if (*NumBytes == 0) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ Status = FvbGetLbaAddress (Instance, Lba, &LbaAddress, &LbaWriteAddress, &LbaLength, NULL, Global, Virtual);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+ //
+ // Check if the FV is write enabled
+ //
+ FvbGetVolumeAttributes (Instance, &Attributes, Global, Virtual);
+
+ if ((Attributes & EFI_FVB_WRITE_STATUS) == 0) {
+ return EFI_ACCESS_DENIED;
+ }
+ //
+ // Perform boundary checks and adjust NumBytes
+ //
+ if (BlockOffset > LbaLength) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ if (LbaLength < (*NumBytes + BlockOffset)) {
+ *NumBytes = (UINT32) (LbaLength - BlockOffset);
+ Status = EFI_BAD_BUFFER_SIZE;
+ }
+
+ ReturnStatus = FlashFdWrite (
+ LbaWriteAddress + BlockOffset,
+ LbaAddress,
+ NumBytes,
+ Buffer,
+ LbaLength
+ );
+ if (EFI_ERROR (ReturnStatus)) {
+ return ReturnStatus;
+ }
+
+ return Status;
+}
+
+EFI_STATUS
+FvbEraseBlock (
+ IN UINTN Instance,
+ IN EFI_LBA Lba,
+ IN ESAL_FWB_GLOBAL *Global,
+ IN BOOLEAN Virtual
+ )
+/*++
+
+Routine Description:
+ Erases and initializes a firmware volume block
+
+Arguments:
+ Instance - The FV instance to be erased
+ Lba - The logical block index to be erased
+ Global - Pointer to ESAL_FWB_GLOBAL that contains all
+ instance data
+ Virtual - Whether CPU is in virtual or physical mode
+
+Returns:
+ EFI_SUCCESS - The erase request was successfully completed
+ EFI_ACCESS_DENIED - The firmware volume is in the WriteDisabled state
+ EFI_DEVICE_ERROR - The block device is not functioning correctly and
+ could not be written. Firmware device may have been
+ partially erased
+ EFI_INVALID_PARAMETER - Instance not found
+
+--*/
+{
+
+ EFI_FVB_ATTRIBUTES Attributes;
+ UINTN LbaAddress;
+ UINTN LbaWriteAddress;
+ EFI_FW_VOL_INSTANCE *FwhInstance;
+ UINTN LbaLength;
+ EFI_STATUS Status;
+
+ //
+ // Find the right instance of the FVB private data
+ //
+ Status = GetFvbInstance (Instance, Global, &FwhInstance, Virtual);
+ ASSERT_EFI_ERROR (Status);
+
+ //
+ // Writes are enabled in the init routine itself
+ //
+ if (!FwhInstance->WriteEnabled) {
+ return EFI_ACCESS_DENIED;
+ }
+ //
+ // Check if the FV is write enabled
+ //
+ FvbGetVolumeAttributes (Instance, &Attributes, Global, Virtual);
+
+ if ((Attributes & EFI_FVB_WRITE_STATUS) == 0) {
+ return EFI_ACCESS_DENIED;
+ }
+ //
+ // Get the starting address of the block for erase. For debug reasons,
+ // LbaWriteAddress may not be the same as LbaAddress.
+ //
+ Status = FvbGetLbaAddress (Instance, Lba, &LbaAddress, &LbaWriteAddress, &LbaLength, NULL, Global, Virtual);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ return FlashFdErase (
+ LbaWriteAddress,
+ LbaAddress,
+ LbaLength
+ );
+}
+
+EFI_STATUS
+FvbEraseCustomBlockRange (
+ IN UINTN Instance,
+ IN EFI_LBA StartLba,
+ IN UINTN OffsetStartLba,
+ IN EFI_LBA LastLba,
+ IN UINTN OffsetLastLba,
+ IN ESAL_FWB_GLOBAL *Global,
+ IN BOOLEAN Virtual
+ )
+/*++
+
+Routine Description:
+ Erases and initializes a specified range of a firmware volume
+
+Arguments:
+ Instance - The FV instance to be erased
+ StartLba - The starting logical block index to be erased
+ OffsetStartLba - Offset into the starting block at which to
+ begin erasing
+ LastLba - The last logical block index to be erased
+ OffsetStartLba - Offset into the last block at which to end erasing
+ Global - Pointer to ESAL_FWB_GLOBAL that contains all
+ instance data
+ Virtual - Whether CPU is in virtual or physical mode
+
+Returns:
+ EFI_SUCCESS - The firmware volume was erased successfully
+ EFI_ACCESS_DENIED - The firmware volume is in the WriteDisabled state
+ EFI_DEVICE_ERROR - The block device is not functioning correctly and
+ could not be written. Firmware device may have been
+ partially erased
+ EFI_INVALID_PARAMETER - Instance not found
+
+--*/
+{
+ EFI_LBA Index;
+ UINTN LbaSize;
+ UINTN ScratchLbaSizeData;
+
+ //
+ // First LBA.
+ //
+ FvbGetLbaAddress (Instance, StartLba, NULL, NULL, &LbaSize, NULL, Global, Virtual);
+
+ //
+ // Use the scratch space as the intermediate buffer to transfer data
+ // Back up the first LBA in scratch space.
+ //
+ FvbReadBlock (Instance, StartLba, 0, &LbaSize, Global->FvbScratchSpace[Virtual], Global, Virtual);
+
+ //
+ // erase now
+ //
+ FvbEraseBlock (Instance, StartLba, Global, Virtual);
+ ScratchLbaSizeData = OffsetStartLba;
+
+ //
+ // write the data back to the first block
+ //
+ if (ScratchLbaSizeData > 0) {
+ FvbWriteBlock (Instance, StartLba, 0, &ScratchLbaSizeData, Global->FvbScratchSpace[Virtual], Global, Virtual);
+ }
+ //
+ // Middle LBAs
+ //
+ if (LastLba > (StartLba + 1)) {
+ for (Index = (StartLba + 1); Index <= (LastLba - 1); Index++) {
+ FvbEraseBlock (Instance, Index, Global, Virtual);
+ }
+ }
+ //
+ // Last LBAs, the same as first LBAs
+ //
+ if (LastLba > StartLba) {
+ FvbGetLbaAddress (Instance, LastLba, NULL, NULL, &LbaSize, NULL, Global, Virtual);
+ FvbReadBlock (Instance, LastLba, 0, &LbaSize, Global->FvbScratchSpace[Virtual], Global, Virtual);
+ FvbEraseBlock (Instance, LastLba, Global, Virtual);
+ }
+
+ ScratchLbaSizeData = LbaSize - (OffsetStartLba + 1);
+
+ return FvbWriteBlock (
+ Instance,
+ LastLba,
+ (OffsetLastLba + 1),
+ &ScratchLbaSizeData,
+ Global->FvbScratchSpace[Virtual],
+ Global,
+ Virtual
+ );
+}
+
+EFI_STATUS
+FvbSetVolumeAttributes (
+ IN UINTN Instance,
+ IN OUT EFI_FVB_ATTRIBUTES *Attributes,
+ IN ESAL_FWB_GLOBAL *Global,
+ IN BOOLEAN Virtual
+ )
+/*++
+
+Routine Description:
+ Modifies the current settings of the firmware volume according to the
+ input parameter, and returns the new setting of the volume
+
+Arguments:
+ Instance - The FV instance whose attributes is going to be
+ modified
+ Attributes - On input, it is a pointer to EFI_FVB_ATTRIBUTES
+ containing the desired firmware volume settings.
+ On successful return, it contains the new settings
+ of the firmware volume
+ Global - Pointer to ESAL_FWB_GLOBAL that contains all
+ instance data
+ Virtual - Whether CPU is in virtual or physical mode
+
+Returns:
+ EFI_SUCCESS - Successfully returns
+ EFI_ACCESS_DENIED - The volume setting is locked and cannot be modified
+ EFI_INVALID_PARAMETER - Instance not found, or The attributes requested are
+ in conflict with the capabilities as declared in the
+ firmware volume header
+
+--*/
+{
+ EFI_FW_VOL_INSTANCE *FwhInstance;
+ EFI_FVB_ATTRIBUTES OldAttributes;
+ EFI_FVB_ATTRIBUTES *AttribPtr;
+ UINT32 Capabilities;
+ UINT32 OldStatus;
+ UINT32 NewStatus;
+ EFI_STATUS Status;
+
+ //
+ // Find the right instance of the FVB private data
+ //
+ Status = GetFvbInstance (Instance, Global, &FwhInstance, Virtual);
+ ASSERT_EFI_ERROR (Status);
+
+ AttribPtr = (EFI_FVB_ATTRIBUTES *) &(FwhInstance->VolumeHeader.Attributes);
+ OldAttributes = *AttribPtr;
+ Capabilities = OldAttributes & EFI_FVB_CAPABILITIES;
+ OldStatus = OldAttributes & EFI_FVB_STATUS;
+ NewStatus = *Attributes & EFI_FVB_STATUS;
+
+ //
+ // If firmware volume is locked, no status bit can be updated
+ //
+ if (OldAttributes & EFI_FVB_LOCK_STATUS) {
+ if (OldStatus ^ NewStatus) {
+ return EFI_ACCESS_DENIED;
+ }
+ }
+ //
+ // Test read disable
+ //
+ if ((Capabilities & EFI_FVB_READ_DISABLED_CAP) == 0) {
+ if ((NewStatus & EFI_FVB_READ_STATUS) == 0) {
+ return EFI_INVALID_PARAMETER;
+ }
+ }
+ //
+ // Test read enable
+ //
+ if ((Capabilities & EFI_FVB_READ_ENABLED_CAP) == 0) {
+ if (NewStatus & EFI_FVB_READ_STATUS) {
+ return EFI_INVALID_PARAMETER;
+ }
+ }
+ //
+ // Test write disable
+ //
+ if ((Capabilities & EFI_FVB_WRITE_DISABLED_CAP) == 0) {
+ if ((NewStatus & EFI_FVB_WRITE_STATUS) == 0) {
+ return EFI_INVALID_PARAMETER;
+ }
+ }
+ //
+ // Test write enable
+ //
+ if ((Capabilities & EFI_FVB_WRITE_ENABLED_CAP) == 0) {
+ if (NewStatus & EFI_FVB_WRITE_STATUS) {
+ return EFI_INVALID_PARAMETER;
+ }
+ }
+ //
+ // Test lock
+ //
+ if ((Capabilities & EFI_FVB_LOCK_CAP) == 0) {
+ if (NewStatus & EFI_FVB_LOCK_STATUS) {
+ return EFI_INVALID_PARAMETER;
+ }
+ }
+
+ *AttribPtr = (*AttribPtr) & (0xFFFFFFFF & (~EFI_FVB_STATUS));
+ *AttribPtr = (*AttribPtr) | NewStatus;
+ *Attributes = *AttribPtr;
+
+ return EFI_SUCCESS;
+}
+//
+// FVB protocol APIs
+//
+EFI_STATUS
+EFIAPI
+FvbProtocolGetPhysicalAddress (
+ IN EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,
+ OUT EFI_PHYSICAL_ADDRESS *Address
+ )
+/*++
+
+Routine Description:
+
+ Retrieves the physical address of the device.
+
+Arguments:
+
+ This - Calling context
+ Address - Output buffer containing the address.
+
+Returns:
+
+Returns:
+ EFI_SUCCESS - Successfully returns
+
+--*/
+{
+ EFI_FW_VOL_BLOCK_DEVICE *FvbDevice;
+
+ FvbDevice = FVB_DEVICE_FROM_THIS (This);
+
+ return FvbGetPhysicalAddress (FvbDevice->Instance, Address, mFvbModuleGlobal, EfiGoneVirtual ());
+}
+
+EFI_STATUS
+EFIAPI
+FvbProtocolGetBlockSize (
+ IN EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,
+ IN EFI_LBA Lba,
+ OUT UINTN *BlockSize,
+ OUT UINTN *NumOfBlocks
+ )
+/*++
+
+Routine Description:
+ Retrieve the size of a logical block
+
+Arguments:
+ This - Calling context
+ Lba - Indicates which block to return the size for.
+ BlockSize - A pointer to a caller allocated UINTN in which
+ the size of the block is returned
+ NumOfBlocks - 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
+
+Returns:
+ EFI_SUCCESS - The firmware volume was read successfully and
+ contents are in Buffer
+
+--*/
+{
+ EFI_FW_VOL_BLOCK_DEVICE *FvbDevice;
+
+ FvbDevice = FVB_DEVICE_FROM_THIS (This);
+
+ return FvbGetLbaAddress (
+ FvbDevice->Instance,
+ Lba,
+ NULL,
+ NULL,
+ BlockSize,
+ NumOfBlocks,
+ mFvbModuleGlobal,
+ EfiGoneVirtual ()
+ );
+}
+
+EFI_STATUS
+EFIAPI
+FvbProtocolGetAttributes (
+ IN EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,
+ OUT EFI_FVB_ATTRIBUTES *Attributes
+ )
+/*++
+
+Routine Description:
+ Retrieves Volume attributes. No polarity translations are done.
+
+Arguments:
+ This - Calling context
+ Attributes - output buffer which contains attributes
+
+Returns:
+ EFI_SUCCESS - Successfully returns
+
+--*/
+{
+ EFI_FW_VOL_BLOCK_DEVICE *FvbDevice;
+
+ FvbDevice = FVB_DEVICE_FROM_THIS (This);
+
+ return FvbGetVolumeAttributes (FvbDevice->Instance, Attributes, mFvbModuleGlobal, EfiGoneVirtual ());
+}
+
+EFI_STATUS
+EFIAPI
+FvbProtocolSetAttributes (
+ IN EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,
+ IN OUT EFI_FVB_ATTRIBUTES *Attributes
+ )
+/*++
+
+Routine Description:
+ Sets Volume attributes. No polarity translations are done.
+
+Arguments:
+ This - Calling context
+ Attributes - output buffer which contains attributes
+
+Returns:
+ EFI_SUCCESS - Successfully returns
+
+--*/
+{
+ EFI_FW_VOL_BLOCK_DEVICE *FvbDevice;
+
+ FvbDevice = FVB_DEVICE_FROM_THIS (This);
+
+ return FvbSetVolumeAttributes (FvbDevice->Instance, Attributes, mFvbModuleGlobal, EfiGoneVirtual ());
+}
+
+EFI_STATUS
+EFIAPI
+FvbProtocolEraseBlocks (
+ IN EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,
+ ...
+ )
+/*++
+
+Routine Description:
+
+ 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.
+
+Arguments:
+ This - Calling context
+ ... - Starting LBA followed by Number of Lba to erase.
+ a -1 to terminate the list.
+
+Returns:
+ EFI_SUCCESS - The erase request was successfully completed
+ EFI_ACCESS_DENIED - The firmware volume is in the WriteDisabled state
+ EFI_DEVICE_ERROR - The block device is not functioning correctly and
+ could not be written. Firmware device may have been
+ partially erased
+
+--*/
+{
+ EFI_FW_VOL_BLOCK_DEVICE *FvbDevice;
+ EFI_FW_VOL_INSTANCE *FwhInstance;
+ UINTN NumOfBlocks;
+ VA_LIST args;
+ EFI_LBA StartingLba;
+ UINTN NumOfLba;
+ EFI_STATUS Status;
+
+ FvbDevice = FVB_DEVICE_FROM_THIS (This);
+
+ Status = GetFvbInstance (FvbDevice->Instance, mFvbModuleGlobal, &FwhInstance, EfiGoneVirtual ());
+ ASSERT_EFI_ERROR (Status);
+
+ NumOfBlocks = FwhInstance->NumOfBlocks;
+
+ VA_START (args, This);
+
+ do {
+ StartingLba = VA_ARG (args, EFI_LBA);
+ if (StartingLba == EFI_LBA_LIST_TERMINATOR) {
+ break;
+ }
+
+ NumOfLba = VA_ARG (args, UINT32);
+
+ //
+ // Check input parameters
+ //
+ if ((NumOfLba == 0) || ((StartingLba + NumOfLba) > NumOfBlocks)) {
+ VA_END (args);
+ return EFI_INVALID_PARAMETER;
+ }
+ } while (1);
+
+ VA_END (args);
+
+ VA_START (args, This);
+ do {
+ StartingLba = VA_ARG (args, EFI_LBA);
+ if (StartingLba == EFI_LBA_LIST_TERMINATOR) {
+ break;
+ }
+
+ NumOfLba = VA_ARG (args, UINT32);
+
+ while (NumOfLba > 0) {
+ Status = FvbEraseBlock (FvbDevice->Instance, StartingLba, mFvbModuleGlobal, EfiGoneVirtual ());
+ if (EFI_ERROR (Status)) {
+ VA_END (args);
+ return Status;
+ }
+
+ StartingLba++;
+ NumOfLba--;
+ }
+
+ } while (1);
+
+ VA_END (args);
+
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS
+EFIAPI
+FvbProtocolWrite (
+ IN EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,
+ IN EFI_LBA Lba,
+ IN UINTN Offset,
+ IN OUT UINTN *NumBytes,
+ IN UINT8 *Buffer
+ )
+/*++
+
+Routine Description:
+
+ 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. The write opertion does not include erase. This routine will
+ attempt to write only the specified bytes. If the writes do not stick,
+ it will return an error.
+
+Arguments:
+ This - Calling context
+ Lba - Block in which to begin write
+ Offset - Offset in the block at which to begin write
+ NumBytes - On input, indicates the requested write size. On
+ output, indicates the actual number of bytes written
+ Buffer - Buffer containing source data for the write.
+
+Returns:
+ EFI_SUCCESS - The firmware volume was written successfully
+ EFI_BAD_BUFFER_SIZE - Write attempted across a LBA boundary. On output,
+ NumBytes contains the total number of bytes
+ actually written
+ EFI_ACCESS_DENIED - The firmware volume is in the WriteDisabled state
+ EFI_DEVICE_ERROR - The block device is not functioning correctly and
+ could not be written
+ EFI_INVALID_PARAMETER - NumBytes or Buffer are NULL
+
+--*/
+{
+
+ EFI_FW_VOL_BLOCK_DEVICE *FvbDevice;
+
+ FvbDevice = FVB_DEVICE_FROM_THIS (This);
+
+ return FvbWriteBlock (FvbDevice->Instance, Lba, Offset, NumBytes, Buffer, mFvbModuleGlobal, EfiGoneVirtual ());
+}
+
+EFI_STATUS
+EFIAPI
+FvbProtocolRead (
+ IN EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,
+ IN EFI_LBA Lba,
+ IN UINTN Offset,
+ IN OUT UINTN *NumBytes,
+ IN UINT8 *Buffer
+ )
+/*++
+
+Routine Description:
+
+ Reads data beginning at Lba:Offset from FV. 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
+ written. The write opertion does not include erase. This routine will
+ attempt to write only the specified bytes. If the writes do not stick,
+ it will return an error.
+
+Arguments:
+ This - Calling context
+ Lba - Block in which to begin Read
+ Offset - Offset in the block at which to begin Read
+ NumBytes - On input, indicates the requested write size. On
+ output, indicates the actual number of bytes Read
+ Buffer - Buffer containing source data for the Read.
+
+Returns:
+ EFI_SUCCESS - The firmware volume was read successfully and
+ contents are in Buffer
+ EFI_BAD_BUFFER_SIZE - Read attempted across a LBA boundary. On output,
+ NumBytes contains the total number of bytes returned
+ in Buffer
+ EFI_ACCESS_DENIED - The firmware volume is in the ReadDisabled state
+ EFI_DEVICE_ERROR - The block device is not functioning correctly and
+ could not be read
+ EFI_INVALID_PARAMETER - NumBytes or Buffer are NULL
+
+--*/
+{
+
+ EFI_FW_VOL_BLOCK_DEVICE *FvbDevice;
+
+ FvbDevice = FVB_DEVICE_FROM_THIS (This);
+
+ return FvbReadBlock (FvbDevice->Instance, Lba, Offset, NumBytes, Buffer, mFvbModuleGlobal, EfiGoneVirtual ());
+}
+//
+// FVB Extension Protocols
+//
+EFI_STATUS
+EFIAPI
+FvbExtendProtocolEraseCustomBlockRange (
+ IN EFI_FVB_EXTENSION_PROTOCOL *This,
+ IN EFI_LBA StartLba,
+ IN UINTN OffsetStartLba,
+ IN EFI_LBA LastLba,
+ IN UINTN OffsetLastLba
+ )
+/*++
+
+Routine Description:
+ Erases and initializes a specified range of a firmware volume
+
+Arguments:
+ This - Calling context
+ StartLba - The starting logical block index to be erased
+ OffsetStartLba - Offset into the starting block at which to
+ begin erasing
+ LastLba - The last logical block index to be erased
+ OffsetStartLba - Offset into the last block at which to end erasing
+
+Returns:
+ EFI_SUCCESS - The firmware volume was erased successfully
+ EFI_ACCESS_DENIED - The firmware volume is in the WriteDisabled state
+ EFI_DEVICE_ERROR - The block device is not functioning correctly and
+ could not be written. Firmware device may have been
+ partially erased
+
+--*/
+{
+ EFI_FW_VOL_BLOCK_DEVICE *FvbDevice;
+
+ FvbDevice = FVB_EXTEND_DEVICE_FROM_THIS (This);
+
+ return FvbEraseCustomBlockRange (
+ FvbDevice->Instance,
+ StartLba,
+ OffsetStartLba,
+ LastLba,
+ OffsetLastLba,
+ mFvbModuleGlobal,
+ EfiGoneVirtual ()
+ );
+}
+
+STATIC
+EFI_STATUS
+ValidateFvHeader (
+ EFI_FIRMWARE_VOLUME_HEADER *FwVolHeader
+ )
+/*++
+
+Routine Description:
+ Check the integrity of firmware volume header
+
+Arguments:
+ FwVolHeader - A pointer to a firmware volume header
+
+Returns:
+ EFI_SUCCESS - The firmware volume is consistent
+ EFI_NOT_FOUND - The firmware volume has corrupted. So it is not an FV
+
+--*/
+{
+ UINT16 *Ptr;
+ UINT16 HeaderLength;
+ UINT16 Checksum;
+
+ //
+ // Verify the header revision, header signature, length
+ // Length of FvBlock cannot be 2**64-1
+ // HeaderLength cannot be an odd number
+ //
+ if ((FwVolHeader->Revision != EFI_FVH_REVISION) ||
+ (FwVolHeader->Signature != EFI_FVH_SIGNATURE) ||
+ (FwVolHeader->FvLength == ((UINTN) -1)) ||
+ ((FwVolHeader->HeaderLength & 0x01) != 0)
+ ) {
+ return EFI_NOT_FOUND;
+ }
+ //
+ // Verify the header checksum
+ //
+ HeaderLength = (UINT16) (FwVolHeader->HeaderLength / 2);
+ Ptr = (UINT16 *) FwVolHeader;
+ Checksum = 0;
+ while (HeaderLength > 0) {
+ Checksum = *Ptr++;
+ HeaderLength--;
+ }
+
+ if (Checksum != 0) {
+ return EFI_NOT_FOUND;
+ }
+
+ return EFI_SUCCESS;
+}
+
+BOOLEAN
+FvbGetCfiSupported (
+ IN UINTN LbaAddress
+ )
+/*++
+
+Routine Description:
+ Check if the firmware volume is CFI typed flash
+
+Arguments:
+ LbaAddress - The physical address of the firmware volume
+
+Returns:
+ TRUE - CFI supported
+ FALSE - CFI un-supported
+
+--*/
+{
+ UINT8 HubData[8];
+ UINT8 HubCommand;
+ BOOLEAN Supported;
+
+ Supported = TRUE;
+
+ //
+ // Issue CFI Query (98h) to address 55h
+ //
+ HubCommand = CFI_QUERY;
+ FvbMemWrite8 ((LbaAddress + 0x55), HubCommand);
+ //
+ // x8 device in 8-bit mode?
+ //
+ EfiMemRead (EfiCpuIoWidthUint8, (LbaAddress + 0x10), 0x3, &HubData);
+ if (!EfiCompareMem (HubData, "QRY", 3)) {
+ goto Done;
+ }
+ //
+ // paired x8 devices?
+ //
+ EfiMemRead (EfiCpuIoWidthUint8, (LbaAddress + 0x20), 0x6, &HubData);
+ if (!EfiCompareMem (HubData, "QQRRYY", 6)) {
+ goto Done;
+ }
+ //
+ // x16 device in 16-bit mode?
+ //
+ EfiMemRead (EfiCpuIoWidthUint8, (LbaAddress + 0x20), 0x4, &HubData);
+ if ((!EfiCompareMem (&HubData[0], "R", 2)) && (!EfiCompareMem (&HubData[2], "Q", 2))) {
+ goto Done;
+ }
+ //
+ // x16 device in 8-bit mode?
+ //
+ EfiMemRead (EfiCpuIoWidthUint8, (LbaAddress + 0x20), 0x3, &HubData);
+ if (!EfiCompareMem (HubData, "QQR", 3)) {
+ goto Done;
+ }
+ //
+ // 2 x16 devices in 8-bit mode (paired chip configuration)?
+ //
+ EfiMemRead (EfiCpuIoWidthUint8, (LbaAddress + 0x40), 0x6, &HubData);
+ if (!EfiCompareMem (HubData, "QQQQRR", 6)) {
+ goto Done;
+ }
+ //
+ // x32 device in 8-bit mode
+ //
+ EfiMemRead (EfiCpuIoWidthUint8, (LbaAddress + 0x40), 0x5, &HubData);
+ if (!EfiCompareMem (HubData, "QQQQR", 5)) {
+ goto Done;
+ }
+ //
+ // x32 device in 32-bit mode
+ //
+ if ((!EfiCompareMem (&HubData[0], "R", 2)) && (((UINT16) HubData[2]) == 0) && (HubData[4] == 'Q')) {
+ goto Done;
+ }
+ //
+ // If it got to here, CFI is not supported
+ //
+ Supported = FALSE;
+
+Done:
+ //
+ // Bug Fix #4071:
+ // Issue command FWH_READ_ARRAY_COMMAND (0xff) at the end of this service to
+ // guarantee that the FWH is back in read mode again
+ //
+ HubCommand = FWH_READ_ARRAY_COMMAND;
+ FvbMemWrite8 (LbaAddress, HubCommand);
+
+ return Supported;
+}
+
+EFI_STATUS
+GetFvbHeader (
+ VOID **HobList,
+ EFI_FIRMWARE_VOLUME_HEADER **FwVolHeader,
+ EFI_PHYSICAL_ADDRESS *BaseAddress,
+ BOOLEAN *WriteBack
+ )
+{
+ EFI_STATUS Status;
+ VOID *Buffer;
+ EFI_FLASH_MAP_ENTRY_DATA *FlashMapEntry;
+ EFI_FLASH_SUBAREA_ENTRY *FlashMapSubEntry;
+
+ Status = EFI_SUCCESS;
+ *FwVolHeader = NULL;
+ *WriteBack = FALSE;
+
+ Status = GetNextGuidHob (HobList, &gEfiFlashMapHobGuid, &Buffer, NULL);
+ if (EFI_ERROR (Status)) {
+ return EFI_NOT_FOUND;
+ }
+
+ FlashMapEntry = (EFI_FLASH_MAP_ENTRY_DATA *) Buffer;
+ FlashMapSubEntry = &FlashMapEntry->Entries[0];
+ //
+ // Check if it is a "FVB" area
+ //
+ if (!EfiCompareGuid (&FlashMapSubEntry->FileSystem, &gEfiFirmwareVolumeBlockProtocolGuid)) {
+ return Status;
+ }
+ //
+ // Check if it is a "real" flash
+ //
+ if (FlashMapSubEntry->Attributes != (EFI_FLASH_AREA_FV | EFI_FLASH_AREA_MEMMAPPED_FV)) {
+ return Status;
+ }
+
+ *BaseAddress = FlashMapSubEntry->Base;
+ DEBUG ((EFI_D_ERROR, "FlashMap HOB: BaseAddress = 0x%lx\n", *BaseAddress));
+
+ *FwVolHeader = (EFI_FIRMWARE_VOLUME_HEADER *) (UINTN) (*BaseAddress);
+ Status = ValidateFvHeader (*FwVolHeader);
+ if (EFI_ERROR (Status)) {
+ //
+ // Get FvbInfo
+ //
+ *WriteBack = TRUE;
+ DEBUG ((EFI_D_ERROR, "BaseAddress = 0x%lx\n", BaseAddress));
+ Status = GetFvbInfo (*BaseAddress, FwVolHeader);
+ DEBUG ((EFI_D_ERROR, "Fvb: FV header invalid, GetFvbInfo - %r\n", Status));
+ ASSERT_EFI_ERROR (Status);
+ }
+
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS
+EFIAPI
+FvbInitialize (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+/*++
+
+Routine Description:
+ This function does common initialization for FVB services
+
+Arguments:
+
+Returns:
+
+--*/
+{
+ EFI_STATUS Status;
+ EFI_FW_VOL_INSTANCE *FwhInstance;
+ EFI_FIRMWARE_VOLUME_HEADER *FwVolHeader;
+ VOID *HobList;
+ VOID *FirmwareVolumeHobList;
+ UINT32 BufferSize;
+ EFI_FV_BLOCK_MAP_ENTRY *PtrBlockMapEntry;
+ UINTN LbaAddress;
+ UINT8 Data;
+ UINTN BlockIndex2;
+ BOOLEAN WriteEnabled;
+ BOOLEAN WriteLocked;
+ EFI_HANDLE FwbHandle;
+ EFI_FW_VOL_BLOCK_DEVICE *FvbDevice;
+ EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *OldFwbInterface;
+ EFI_DEVICE_PATH_PROTOCOL *TempFwbDevicePath;
+ FV_DEVICE_PATH TempFvbDevicePathData;
+ UINT32 MaxLbaSize;
+ BOOLEAN CfiEnabled;
+ EFI_PHYSICAL_ADDRESS BaseAddress;
+ BOOLEAN WriteBack;
+ UINTN NumOfBlocks;
+ UINTN HeaderLength;
+
+ INITIALIZE_SCRIPT (ImageHandle, SystemTable);
+
+ EfiInitializeRuntimeDriverLib (ImageHandle, SystemTable, FvbVirtualddressChangeEvent);
+
+ Status = EfiGetSystemConfigurationTable (&gEfiHobListGuid, &HobList);
+ HeaderLength = 0;
+ //
+ // No FV HOBs found
+ //
+ ASSERT_EFI_ERROR (Status);
+
+ //
+ // Allocate runtime services data for global variable, which contains
+ // the private data of all firmware volume block instances
+ //
+ Status = gBS->AllocatePool (
+ EfiRuntimeServicesData,
+ sizeof (ESAL_FWB_GLOBAL),
+ &mFvbModuleGlobal
+ );
+ ASSERT_EFI_ERROR (Status);
+
+ EnablePlatformFvb ();
+ EnableFvbWrites (TRUE);
+
+ //
+ // Calculate the total size for all firmware volume block instances
+ //
+ BufferSize = 0;
+ FirmwareVolumeHobList = HobList;
+ do {
+ Status = GetFvbHeader (&FirmwareVolumeHobList, &FwVolHeader, &BaseAddress, &WriteBack);
+ if (EFI_ERROR (Status)) {
+ break;
+ }
+
+ if (FwVolHeader) {
+ BufferSize += (FwVolHeader->HeaderLength + sizeof (EFI_FW_VOL_INSTANCE) - sizeof (EFI_FIRMWARE_VOLUME_HEADER));
+ }
+ } while (TRUE);
+
+ //
+ // Only need to allocate once. There is only one copy of physical memory for
+ // the private data of each FV instance. But in virtual mode or in physical
+ // mode, the address of the the physical memory may be different.
+ //
+ Status = gBS->AllocatePool (
+ EfiRuntimeServicesData,
+ BufferSize,
+ &mFvbModuleGlobal->FvInstance[FVB_PHYSICAL]
+ );
+ ASSERT_EFI_ERROR (Status);
+
+ //
+ // Make a virtual copy of the FvInstance pointer.
+ //
+ FwhInstance = mFvbModuleGlobal->FvInstance[FVB_PHYSICAL];
+ mFvbModuleGlobal->FvInstance[FVB_VIRTUAL] = FwhInstance;
+
+ mFvbModuleGlobal->NumFv = 0;
+ FirmwareVolumeHobList = HobList;
+
+ MaxLbaSize = 0;
+
+ //
+ // Fill in the private data of each firmware volume block instance
+ //
+ do {
+ Status = GetFvbHeader (&FirmwareVolumeHobList, &FwVolHeader, &BaseAddress, &WriteBack);
+ if (EFI_ERROR (Status)) {
+ break;
+ }
+
+ if (!FwVolHeader) {
+ continue;
+ }
+
+ EfiCopyMem ((UINTN *) &(FwhInstance->VolumeHeader), (UINTN *) FwVolHeader, FwVolHeader->HeaderLength);
+ FwVolHeader = &(FwhInstance->VolumeHeader);
+
+ FwhInstance->FvBase[FVB_PHYSICAL] = (UINTN) BaseAddress;
+ FwhInstance->FvBase[FVB_VIRTUAL] = (UINTN) BaseAddress;
+
+ //
+ // FwhInstance->FvWriteBase may not be the same as FwhInstance->FvBase
+ //
+ PlatformGetFvbWriteBase (
+ (UINTN) BaseAddress,
+ (UINTN *) &(FwhInstance->FvWriteBase[FVB_PHYSICAL]),
+ &WriteEnabled
+ );
+ //
+ // Every pointer should have a virtual copy.
+ //
+ FwhInstance->FvWriteBase[FVB_VIRTUAL] = FwhInstance->FvWriteBase[FVB_PHYSICAL];
+
+ FwhInstance->WriteEnabled = WriteEnabled;
+ EfiInitializeLock (&(FwhInstance->FvbDevLock), EFI_TPL_HIGH_LEVEL);
+
+ LbaAddress = (UINTN) FwhInstance->FvWriteBase[0];
+ NumOfBlocks = 0;
+ WriteLocked = FALSE;
+
+ if (WriteEnabled) {
+ CfiEnabled = FvbGetCfiSupported (LbaAddress);
+ for (PtrBlockMapEntry = FwVolHeader->FvBlockMap; PtrBlockMapEntry->NumBlocks != 0; PtrBlockMapEntry++) {
+
+ for (BlockIndex2 = 0; BlockIndex2 < PtrBlockMapEntry->NumBlocks; BlockIndex2++) {
+
+ if (SetPlatformFvbLock (LbaAddress)) {
+ //
+ // Clear all write-lock and read-lock HW bits
+ // For sync3, the software will enforce the protection
+ //
+ if (CfiEnabled) {
+ Data = CFI_BLOCK_LOCK_UNLOCK;
+ FvbMemWrite8 (LbaAddress, Data);
+ Data = CFI_BLOCK_UNLOCK_CONFIRM;
+ FvbMemWrite8 (LbaAddress, Data);
+ while (TRUE) {
+ EfiMemRead (EfiCpuIoWidthUint8, (LbaAddress + 2), 1, &Data);
+ if (Data & 0x80) {
+ break;
+ }
+ }
+
+ Data = FWH_READ_ARRAY_COMMAND;
+ FvbMemWrite8 (LbaAddress, Data);
+ } else {
+ EfiMemRead (EfiCpuIoWidthUint8, (LbaAddress - 0x400000 + 2), 0x1, &Data);
+ //
+ // bugbug: lock down is block based, not FV based. Here we assume that
+ // the FV is locked if one of its block is locked
+ //
+ if ((Data & FWH_WRITE_LOCK) && (Data & FWH_LOCK_DOWN)) {
+ //
+ // the flash is locked and locked down
+ //
+ WriteLocked = TRUE;
+ } else {
+ Data &= ~(FWH_WRITE_LOCK | FWH_READ_LOCK | FWH_LOCK_DOWN);
+
+ //
+ // Save boot script for S3 resume
+ //
+ SCRIPT_MEM_WRITE (
+ EFI_ACPI_S3_RESUME_SCRIPT_TABLE,
+ EfiBootScriptWidthUint8,
+ (UINT64) (LbaAddress - 0x400000 + 2),
+ 1,
+ &Data
+ );
+
+ FvbMemWrite8 ((LbaAddress - 0x400000 + 2), Data);
+ }
+ }
+ }
+
+ LbaAddress += PtrBlockMapEntry->BlockLength;
+ }
+ //
+ // Get the maximum size of a block. The size will be used to allocate
+ // buffer for Scratch space, the intermediate buffer for FVB extension
+ // protocol
+ //
+ if (MaxLbaSize < PtrBlockMapEntry->BlockLength) {
+ MaxLbaSize = PtrBlockMapEntry->BlockLength;
+ }
+
+ NumOfBlocks = NumOfBlocks + PtrBlockMapEntry->NumBlocks;
+ }
+ //
+ // Write back a healthy FV header
+ //
+ if (WriteBack && (!WriteLocked)) {
+ Status = FlashFdErase (
+ (UINTN) FwhInstance->FvWriteBase[0],
+ (UINTN) BaseAddress,
+ FwVolHeader->FvBlockMap->BlockLength
+ );
+
+ HeaderLength = (UINTN) FwVolHeader->HeaderLength;
+ Status = FlashFdWrite (
+ (UINTN) FwhInstance->FvWriteBase[0],
+ (UINTN) BaseAddress,
+ (UINTN *) &HeaderLength,
+ (UINT8 *) FwVolHeader,
+ FwVolHeader->FvBlockMap->BlockLength
+ );
+
+ FwVolHeader->HeaderLength = (UINT16) HeaderLength;
+ DEBUG ((EFI_D_ERROR, "Fvb: FV header invalid, write back - %r\n", Status));
+ }
+ }
+ //
+ // The total number of blocks in the FV.
+ //
+ FwhInstance->NumOfBlocks = NumOfBlocks;
+
+ //
+ // If the FV is write locked, set the appropriate attributes
+ //
+ if (WriteLocked) {
+ //
+ // write disabled
+ //
+ FwhInstance->VolumeHeader.Attributes &= ~EFI_FVB_WRITE_STATUS;
+ //
+ // lock enabled
+ //
+ FwhInstance->VolumeHeader.Attributes |= EFI_FVB_LOCK_STATUS;
+ }
+ //
+ // Add a FVB Protocol Instance
+ //
+ Status = gBS->AllocatePool (
+ EfiRuntimeServicesData,
+ sizeof (EFI_FW_VOL_BLOCK_DEVICE),
+ &FvbDevice
+ );
+ ASSERT_EFI_ERROR (Status);
+
+ EfiCopyMem (FvbDevice, &mFvbDeviceTemplate, sizeof (EFI_FW_VOL_BLOCK_DEVICE));
+
+ FvbDevice->Instance = mFvbModuleGlobal->NumFv;
+ mFvbModuleGlobal->NumFv++;
+
+ //
+ // Set up the devicepath
+ //
+ FvbDevice->DevicePath.MemMapDevPath.StartingAddress = BaseAddress;
+ FvbDevice->DevicePath.MemMapDevPath.EndingAddress = BaseAddress + (FwVolHeader->FvLength - 1);
+
+ //
+ // Find a handle with a matching device path that has supports FW Block protocol
+ //
+ TempFwbDevicePath = (EFI_DEVICE_PATH_PROTOCOL *) &TempFvbDevicePathData;
+ EfiCopyMem (TempFwbDevicePath, &FvbDevice->DevicePath, sizeof (FV_DEVICE_PATH));
+ Status = gBS->LocateDevicePath (&gEfiFirmwareVolumeBlockProtocolGuid, &TempFwbDevicePath, &FwbHandle);
+ if (EFI_ERROR (Status)) {
+ //
+ // LocateDevicePath fails so install a new interface and device path
+ //
+ FwbHandle = NULL;
+ Status = gBS->InstallMultipleProtocolInterfaces (
+ &FwbHandle,
+ &gEfiFirmwareVolumeBlockProtocolGuid,
+ &FvbDevice->FwVolBlockInstance,
+ &gEfiDevicePathProtocolGuid,
+ &FvbDevice->DevicePath,
+ NULL
+ );
+ ASSERT_EFI_ERROR (Status);
+ } else if (EfiIsDevicePathEnd (TempFwbDevicePath)) {
+ //
+ // Device allready exists, so reinstall the FVB protocol
+ //
+ Status = gBS->HandleProtocol (
+ FwbHandle,
+ &gEfiFirmwareVolumeBlockProtocolGuid,
+ &OldFwbInterface
+ );
+ ASSERT_EFI_ERROR (Status);
+
+ Status = gBS->ReinstallProtocolInterface (
+ FwbHandle,
+ &gEfiFirmwareVolumeBlockProtocolGuid,
+ OldFwbInterface,
+ &FvbDevice->FwVolBlockInstance
+ );
+ ASSERT_EFI_ERROR (Status);
+
+ } else {
+ //
+ // There was a FVB protocol on an End Device Path node
+ //
+ ASSERT (FALSE);
+ }
+ //
+ // Install FVB Extension Protocol on the same handle
+ //
+ Status = gBS->InstallMultipleProtocolInterfaces (
+ &FwbHandle,
+ &gEfiFvbExtensionProtocolGuid,
+ &FvbDevice->FvbExtension,
+ &gEfiAlternateFvBlockGuid,
+ NULL,
+ NULL
+ );
+
+ ASSERT_EFI_ERROR (Status);
+
+ FwhInstance = (EFI_FW_VOL_INSTANCE *)
+ (
+ (UINTN) ((UINT8 *) FwhInstance) + FwVolHeader->HeaderLength +
+ (sizeof (EFI_FW_VOL_INSTANCE) - sizeof (EFI_FIRMWARE_VOLUME_HEADER))
+ );
+ } while (TRUE);
+
+ //
+ // Allocate for scratch space, an intermediate buffer for FVB extention
+ //
+ Status = gBS->AllocatePool (
+ EfiRuntimeServicesData,
+ MaxLbaSize,
+ &mFvbModuleGlobal->FvbScratchSpace[FVB_PHYSICAL]
+ );
+ ASSERT_EFI_ERROR (Status);
+
+ mFvbModuleGlobal->FvbScratchSpace[FVB_VIRTUAL] = mFvbModuleGlobal->FvbScratchSpace[FVB_PHYSICAL];
+
+ FvbSpecificInitialize (mFvbModuleGlobal);
+
+ return EnableFvbWrites (FALSE);
+}
diff --git a/EdkNt32Pkg/RuntimeDxe/FvbServices/Common/FwBlockService.h b/EdkNt32Pkg/RuntimeDxe/FvbServices/Common/FwBlockService.h new file mode 100644 index 0000000000..1fad9bd6ba --- /dev/null +++ b/EdkNt32Pkg/RuntimeDxe/FvbServices/Common/FwBlockService.h @@ -0,0 +1,324 @@ +/*++
+
+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:
+
+ FwBlockService.h
+
+Abstract:
+
+ Firmware volume block driver for Intel Firmware Hub (FWH) device
+
+--*/
+
+#ifndef _FW_BLOCK_SERVICE_H
+#define _FW_BLOCK_SERVICE_H
+
+//
+// Statements that include other header files
+//
+#include "Tiano.h"
+#include "EfiFirmwareVolumeHeader.h"
+#include "EfiRuntimeLib.h"
+#include "EfiHobLib.h"
+#include "EfiScriptLib.h"
+
+#include EFI_PROTOCOL_PRODUCER (FirmwareVolumeBlock)
+#include EFI_PROTOCOL_PRODUCER (FvbExtension)
+#include EFI_GUID_DEFINITION (AlternateFvBlock)
+#include EFI_GUID_DEFINITION (Hob)
+#include EFI_GUID_DEFINITION (DxeServices)
+#include EFI_PROTOCOL_CONSUMER (CpuIo)
+
+#define FVB_MAX_RETRY_TIMES 10000000
+#define FWH_BLOCK_ERASE_SETUP_COMMAND 0x20
+#define FWH_BLOCK_ERASE_CONFIRM_COMMAND 0xd0
+#define FWH_READ_STATUS_COMMAND 0x70
+#define FWH_CLEAR_STATUS_COMMAND 0x50
+#define FWH_READ_ARRAY_COMMAND 0xff
+#define FWH_WRITE_SETUP_COMMAND 0x40
+#define FWH_OPEN_FEATURE_SPACE_COMMAND 0x91
+#define FWH_READ_LOCK (1 << 2)
+#define FWH_WRITE_LOCK (1 << 1)
+#define FWH_LOCK_DOWN 1
+#define FWH_WRITE_STATE_STATUS (1 << 7)
+#define FWH_ERASE_STATUS (1 << 5)
+#define FWH_PROGRAM_STATUS (1 << 4)
+#define FWH_VPP_STATUS (1 << 3)
+#define STALL_TIME 5
+#define FWH_ERASE_STATUS_BITS (FWH_ERASE_STATUS || FWH_VPP_STATUS)
+#define FWH_WRITE_STATUS_BITS (FWH_WRITE_STATUS || FWH_VPP_STATUS)
+#define CFI_BLOCK_LOCK_UNLOCK 0x60
+#define CFI_BLOCK_LOCK_CONFIRM 1
+#define CFI_BLOCK_UNLOCK_CONFIRM 0xD0
+#define CFI_QUERY 0x98
+
+//
+// BugBug: Add documentation here for data structure!!!!
+//
+#define FVB_PHYSICAL 0
+#define FVB_VIRTUAL 1
+
+typedef struct {
+ EFI_LOCK FvbDevLock;
+ UINTN FvBase[2];
+ UINTN FvWriteBase[2];
+ UINTN NumOfBlocks;
+ BOOLEAN WriteEnabled;
+ EFI_FIRMWARE_VOLUME_HEADER VolumeHeader;
+} EFI_FW_VOL_INSTANCE;
+
+typedef struct {
+ UINT32 NumFv;
+ EFI_FW_VOL_INSTANCE *FvInstance[2];
+ UINT8 *FvbScratchSpace[2];
+} ESAL_FWB_GLOBAL;
+
+//
+// Fvb Protocol instance data
+//
+#define FVB_DEVICE_FROM_THIS(a) CR (a, EFI_FW_VOL_BLOCK_DEVICE, FwVolBlockInstance, FVB_DEVICE_SIGNATURE)
+#define FVB_EXTEND_DEVICE_FROM_THIS(a) CR (a, EFI_FW_VOL_BLOCK_DEVICE, FvbExtension, FVB_DEVICE_SIGNATURE)
+#define FVB_DEVICE_SIGNATURE EFI_SIGNATURE_32 ('F', 'V', 'B', 'C')
+
+typedef struct {
+ MEMMAP_DEVICE_PATH MemMapDevPath;
+ EFI_DEVICE_PATH_PROTOCOL EndDevPath;
+} FV_DEVICE_PATH;
+
+typedef struct {
+ UINTN Signature;
+ FV_DEVICE_PATH DevicePath;
+ UINTN Instance;
+ EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL FwVolBlockInstance;
+ EFI_FVB_EXTENSION_PROTOCOL FvbExtension;
+} EFI_FW_VOL_BLOCK_DEVICE;
+
+EFI_STATUS
+GetFvbInfo (
+ IN EFI_PHYSICAL_ADDRESS FvBaseAddress,
+ OUT EFI_FIRMWARE_VOLUME_HEADER **FvbInfo
+ )
+;
+
+EFI_STATUS
+EnableFvbWrites (
+ IN BOOLEAN EnableWrites
+ )
+;
+
+EFI_STATUS
+PlatformGetFvbWriteBase (
+ IN UINTN CurrentBaseAddress,
+ IN UINTN *NewBaseAddress,
+ IN BOOLEAN *WriteEnabled
+ )
+;
+
+EFI_STATUS
+EnablePlatformFvb (
+ VOID
+ )
+;
+
+BOOLEAN
+SetPlatformFvbLock (
+ IN UINTN LbaAddress
+ )
+;
+
+EFI_STATUS
+FvbReadBlock (
+ IN UINTN Instance,
+ IN EFI_LBA Lba,
+ IN UINTN BlockOffset,
+ IN OUT UINTN *NumBytes,
+ IN UINT8 *Buffer,
+ IN ESAL_FWB_GLOBAL *Global,
+ IN BOOLEAN Virtual
+ )
+;
+
+EFI_STATUS
+FvbWriteBlock (
+ IN UINTN Instance,
+ IN EFI_LBA Lba,
+ IN UINTN BlockOffset,
+ IN OUT UINTN *NumBytes,
+ IN UINT8 *Buffer,
+ IN ESAL_FWB_GLOBAL *Global,
+ IN BOOLEAN Virtual
+ )
+;
+
+EFI_STATUS
+FvbEraseBlock (
+ IN UINTN Instance,
+ IN EFI_LBA Lba,
+ IN ESAL_FWB_GLOBAL *Global,
+ IN BOOLEAN Virtual
+ )
+;
+
+EFI_STATUS
+FvbSetVolumeAttributes (
+ IN UINTN Instance,
+ IN OUT EFI_FVB_ATTRIBUTES *Attributes,
+ IN ESAL_FWB_GLOBAL *Global,
+ IN BOOLEAN Virtual
+ )
+;
+
+EFI_STATUS
+FvbGetVolumeAttributes (
+ IN UINTN Instance,
+ OUT EFI_FVB_ATTRIBUTES *Attributes,
+ IN ESAL_FWB_GLOBAL *Global,
+ IN BOOLEAN Virtual
+ )
+;
+
+EFI_STATUS
+FvbGetPhysicalAddress (
+ IN UINTN Instance,
+ OUT EFI_PHYSICAL_ADDRESS *Address,
+ IN ESAL_FWB_GLOBAL *Global,
+ IN BOOLEAN Virtual
+ )
+;
+
+EFI_STATUS
+EFIAPI
+FvbInitialize (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+;
+
+
+VOID
+EFIAPI
+FvbClassAddressChangeEvent (
+ IN EFI_EVENT Event,
+ IN VOID *Context
+ )
+;
+
+EFI_STATUS
+FvbSpecificInitialize (
+ IN ESAL_FWB_GLOBAL *mFvbModuleGlobal
+ )
+;
+
+EFI_STATUS
+FvbGetLbaAddress (
+ IN UINTN Instance,
+ IN EFI_LBA Lba,
+ OUT UINTN *LbaAddress,
+ OUT UINTN *LbaWriteAddress,
+ OUT UINTN *LbaLength,
+ OUT UINTN *NumOfBlocks,
+ IN ESAL_FWB_GLOBAL *Global,
+ IN BOOLEAN Virtual
+ )
+;
+
+EFI_STATUS
+FvbEraseCustomBlockRange (
+ IN UINTN Instance,
+ IN EFI_LBA StartLba,
+ IN UINTN OffsetStartLba,
+ IN EFI_LBA LastLba,
+ IN UINTN OffsetLastLba,
+ IN ESAL_FWB_GLOBAL *Global,
+ IN BOOLEAN Virtual
+ )
+;
+
+//
+// Protocol APIs
+//
+EFI_STATUS
+EFIAPI
+FvbProtocolGetAttributes (
+ IN EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,
+ OUT EFI_FVB_ATTRIBUTES *Attributes
+ )
+;
+
+EFI_STATUS
+EFIAPI
+FvbProtocolSetAttributes (
+ IN EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,
+ IN OUT EFI_FVB_ATTRIBUTES *Attributes
+ )
+;
+
+EFI_STATUS
+EFIAPI
+FvbProtocolGetPhysicalAddress (
+ IN EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,
+ OUT EFI_PHYSICAL_ADDRESS *Address
+ )
+;
+
+EFI_STATUS
+EFIAPI
+FvbProtocolGetBlockSize (
+ IN EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,
+ IN EFI_LBA Lba,
+ OUT UINTN *BlockSize,
+ OUT UINTN *NumOfBlocks
+ )
+;
+
+EFI_STATUS
+EFIAPI
+FvbProtocolRead (
+ IN EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,
+ IN EFI_LBA Lba,
+ IN UINTN Offset,
+ IN OUT UINTN *NumBytes,
+ IN UINT8 *Buffer
+ )
+;
+
+EFI_STATUS
+EFIAPI
+FvbProtocolWrite (
+ IN EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,
+ IN EFI_LBA Lba,
+ IN UINTN Offset,
+ IN OUT UINTN *NumBytes,
+ IN UINT8 *Buffer
+ )
+;
+
+EFI_STATUS
+EFIAPI
+FvbProtocolEraseBlocks (
+ IN EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,
+ ...
+ )
+;
+
+EFI_STATUS
+EFIAPI
+FvbExtendProtocolEraseCustomBlockRange (
+ IN EFI_FVB_EXTENSION_PROTOCOL *This,
+ IN EFI_LBA StartLba,
+ IN UINTN OffsetStartLba,
+ IN EFI_LBA LastLba,
+ IN UINTN OffsetLastLba
+ )
+;
+
+#endif
diff --git a/EdkNt32Pkg/RuntimeDxe/FvbServices/Common/ia32/Ia32Fwh.c b/EdkNt32Pkg/RuntimeDxe/FvbServices/Common/ia32/Ia32Fwh.c new file mode 100644 index 0000000000..00998f8c67 --- /dev/null +++ b/EdkNt32Pkg/RuntimeDxe/FvbServices/Common/ia32/Ia32Fwh.c @@ -0,0 +1,42 @@ +/*++
+
+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:
+
+ Ia32Fwh.c
+
+Abstract:
+
+Revision History
+
+--*/
+
+#include "FWBlockService.h"
+
+EFI_STATUS
+FvbSpecificInitialize (
+ IN ESAL_FWB_GLOBAL *mFvbModuleGlobal
+ )
+/*++
+
+Routine Description:
+ Additional initialize code for IA32 platform.
+
+Arguments:
+ ESAL_FWB_GLOBAL - Global pointer that points to the instance data
+
+Returns:
+ EFI_SUCCESS
+
+--*/
+{
+ return EFI_SUCCESS;
+}
diff --git a/EdkNt32Pkg/RuntimeDxe/FvbServices/Nt32Fwh.dxs b/EdkNt32Pkg/RuntimeDxe/FvbServices/Nt32Fwh.dxs new file mode 100644 index 0000000000..3cb311228e --- /dev/null +++ b/EdkNt32Pkg/RuntimeDxe/FvbServices/Nt32Fwh.dxs @@ -0,0 +1,27 @@ +/*++
+
+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:
+
+ Nt32Fwh.dxs
+
+Abstract:
+
+ Dependency expression source file.
+
+--*/
+#include <AutoGen.h>
+#include <DxeDepex.h>
+
+
+DEPENDENCY_START
+ TRUE
+DEPENDENCY_END
\ No newline at end of file diff --git a/EdkNt32Pkg/RuntimeDxe/FvbServices/Nt32Fwh.mbd b/EdkNt32Pkg/RuntimeDxe/FvbServices/Nt32Fwh.mbd new file mode 100644 index 0000000000..7f83760ff2 --- /dev/null +++ b/EdkNt32Pkg/RuntimeDxe/FvbServices/Nt32Fwh.mbd @@ -0,0 +1,47 @@ +<?xml version="1.0" encoding="UTF-8"?>
+<!--
+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.
+-->
+<ModuleBuildDescription xmlns="http://www.TianoCore.org/2006/Edk2.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.TianoCore.org/2006/Edk2.0 http://www.TianoCore.org/2006/Edk2.0/SurfaceArea.xsd">
+ <MbdHeader>
+ <BaseName>FwBlockService</BaseName>
+ <Guid>BDFE5FAA-2A35-44bb-B17A-8084D4E2B9E9</Guid>
+ <Version>0</Version>
+ <Description>FIX ME!</Description>
+ <Copyright>Copyright (c) 2004-2006, Intel Corporation</Copyright>
+ <License>
+ 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.
+ </License>
+ <Created>2006-03-14 17:04</Created>
+ <Modified>2006-03-19 15:17</Modified>
+ </MbdHeader>
+ <Libraries>
+ <Library>UefiBootServicesTableLib</Library>
+ <Library>BaseLib</Library>
+ <Library>BaseMemoryLib</Library>
+ <Library>UefiLib</Library>
+ <Library>UefiDriverEntryPoint</Library>
+ <Library>DxeReportStatusCodeLib</Library>
+ <Library>DxeServicesTableLib</Library>
+ <Library>BaseDebugLibNull</Library>
+ <Library>EdkDxePrintLib</Library>
+ <Library>EdkDxeRuntimeDriverLib</Library>
+ <Library>DxeHobLib</Library>
+ <Library>DxeMemoryAllocationLib</Library>
+ </Libraries>
+ <BuildOptions ToolChain="MSFT">
+ <ImageEntryPoint>_ModuleEntryPoint</ImageEntryPoint>
+ </BuildOptions>
+</ModuleBuildDescription>
diff --git a/EdkNt32Pkg/RuntimeDxe/FvbServices/Nt32Fwh.msa b/EdkNt32Pkg/RuntimeDxe/FvbServices/Nt32Fwh.msa new file mode 100644 index 0000000000..711e4e4874 --- /dev/null +++ b/EdkNt32Pkg/RuntimeDxe/FvbServices/Nt32Fwh.msa @@ -0,0 +1,89 @@ +<?xml version="1.0" encoding="UTF-8"?>
+<!--
+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.
+-->
+<ModuleSurfaceArea xmlns="http://www.TianoCore.org/2006/Edk2.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.TianoCore.org/2006/Edk2.0 http://www.TianoCore.org/2006/Edk2.0/SurfaceArea.xsd">
+ <MsaHeader>
+ <BaseName>FwBlockService</BaseName>
+ <ModuleType>DXE_RUNTIME_DRIVER</ModuleType>
+ <ComponentType>RT_DRIVER</ComponentType>
+ <Guid>BDFE5FAA-2A35-44bb-B17A-8084D4E2B9E9</Guid>
+ <Version>0</Version>
+ <Abstract>Component description file for DiskIo module.</Abstract>
+ <Description>FIX ME!</Description>
+ <Copyright>Copyright (c) 2004-2006, Intel Corporation</Copyright>
+ <License>
+ 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.
+ </License>
+ <Specification>0</Specification>
+ <Created>2006-03-14 17:04</Created>
+ <Updated>2006-03-19 15:17</Updated>
+ </MsaHeader>
+ <LibraryClassDefinitions>
+ <LibraryClass Usage="ALWAYS_CONSUMED">UefiLib</LibraryClass>
+ <LibraryClass Usage="ALWAYS_CONSUMED">UefiDriverEntryPoint</LibraryClass>
+ <LibraryClass Usage="ALWAYS_CONSUMED">BaseLib</LibraryClass>
+ <LibraryClass Usage="ALWAYS_CONSUMED">DxeServicesTableLib</LibraryClass>
+ <LibraryClass Usage="ALWAYS_CONSUMED">DxeRuntimeDriverLib</LibraryClass>
+ <LibraryClass Usage="ALWAYS_CONSUMED">DebugLib</LibraryClass>
+ <LibraryClass Usage="ALWAYS_CONSUMED">HobLib</LibraryClass>
+ <LibraryClass Usage="ALWAYS_CONSUMED">BaseMemoryLib</LibraryClass>
+ <LibraryClass Usage="ALWAYS_CONSUMED">MemoryAllocationLib</LibraryClass>
+ <LibraryClass Usage="ALWAYS_CONSUMED">UefiBootServicesTableLib</LibraryClass>
+ </LibraryClassDefinitions>
+ <SourceFiles>
+ <Filename>Nt32Fwh.dxs</Filename>
+ <Arch ArchType="IA32">
+ <Filename>nt32\FwBlockService.c</Filename>
+ <Filename>nt32\FwBlockService.h</Filename>
+ <Filename>nt32\FvbInfo.c</Filename>
+ </Arch>
+ </SourceFiles>
+ <Includes>
+ <PackageName>MdePkg</PackageName>
+ <PackageName>EdkModulePkg</PackageName>
+ <PackageName>EdkNt32Pkg</PackageName>
+ </Includes>
+ <Protocols>
+ <Protocol Usage="SOMETIMES_PRODUCED">DevicePath</Protocol>
+ <Protocol Usage="SOMETIMES_PRODUCED">FirmwareVolumeBlock</Protocol>
+ <Protocol Usage="ALWAYS_PRODUCED">FvbExtension</Protocol>
+ </Protocols>
+ <Events>
+ <CreateEvents>
+ <Event Usage="ALWAYS_CONSUMED" EventGroup="EVENT_GROUP_VIRTUAL_ADDRESS_CHANGE">
+ <C_Name>gEfiEventVirtualAddressChangeGuid</C_Name>
+ <Guid>0x13fa7698, 0xc831, 0x49c7, 0x87, 0xea, 0x8f, 0x43, 0xfc, 0xc2, 0x51, 0x96</Guid>
+ </Event>
+ </CreateEvents>
+ </Events>
+ <Hobs>
+ <Hob Usage="ALWAYS_CONSUMED" HobType="FIRMWARE_VOLUME"></Hob>
+ </Hobs>
+ <Guids>
+ <GuidEntry Usage="ALWAYS_PRODUCED">
+ <C_Name>AlternateFvBlock</C_Name>
+ </GuidEntry>
+ </Guids>
+ <Externs>
+ <Extern>
+ <ModuleEntryPoint>FvbInitialize</ModuleEntryPoint>
+ </Extern>
+ <Extern>
+ <SetVirtualAddressMapCallBack></SetVirtualAddressMapCallBack>
+ <ExitBootServicesCallBack></ExitBootServicesCallBack>
+ </Extern>
+ </Externs>
+</ModuleSurfaceArea>
diff --git a/EdkNt32Pkg/RuntimeDxe/FvbServices/build.xml b/EdkNt32Pkg/RuntimeDxe/FvbServices/build.xml new file mode 100644 index 0000000000..60d06c448b --- /dev/null +++ b/EdkNt32Pkg/RuntimeDxe/FvbServices/build.xml @@ -0,0 +1,47 @@ +<?xml version="1.0" encoding="UTF-8"?><!-- 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.-->
+<project basedir="." default="FwBlockService"><!--Apply external ANT tasks-->
+ <taskdef resource="GenBuild.tasks"/>
+ <taskdef resource="net/sf/antcontrib/antlib.xml"/>
+ <property environment="env"/>
+ <property name="WORKSPACE_DIR" value="${env.WORKSPACE}"/>
+ <import file="${WORKSPACE_DIR}\Tools\Conf\BuildMacro.xml"/><!--MODULE_RELATIVE PATH is relative to PACKAGE_DIR-->
+ <property name="MODULE_RELATIVE_PATH" value="RuntimeDxe\FvbServices"/>
+ <property name="MODULE_DIR" value="${PACKAGE_DIR}\${MODULE_RELATIVE_PATH}"/>
+ <property name="COMMON_FILE" value="${WORKSPACE_DIR}\Tools\Conf\Common.xml"/>
+ <target name="FwBlockService">
+ <GenBuild baseName="FwBlockService" mbdFilename="${MODULE_DIR}\Nt32Fwh.mbd" msaFilename="${MODULE_DIR}\Nt32Fwh.msa"/>
+ </target>
+ <target depends="FwBlockService_clean" name="clean"/>
+ <target depends="FwBlockService_cleanall" name="cleanall"/>
+ <target name="FwBlockService_clean">
+ <OutputDirSetup baseName="FwBlockService" mbdFilename="${MODULE_DIR}\Nt32Fwh.mbd" msaFilename="${MODULE_DIR}\Nt32Fwh.msa"/>
+ <if>
+ <available file="${DEST_DIR_OUTPUT}\FwBlockService_build.xml"/>
+ <then>
+ <ant antfile="${DEST_DIR_OUTPUT}\FwBlockService_build.xml" target="clean"/>
+ </then>
+ </if>
+ <delete dir="${DEST_DIR_OUTPUT}" excludes="*.xml"/>
+ </target>
+ <target name="FwBlockService_cleanall">
+ <OutputDirSetup baseName="FwBlockService" mbdFilename="${MODULE_DIR}\Nt32Fwh.mbd" msaFilename="${MODULE_DIR}\Nt32Fwh.msa"/>
+ <if>
+ <available file="${DEST_DIR_OUTPUT}\FwBlockService_build.xml"/>
+ <then>
+ <ant antfile="${DEST_DIR_OUTPUT}\FwBlockService_build.xml" target="cleanall"/>
+ </then>
+ </if>
+ <delete dir="${DEST_DIR_OUTPUT}"/>
+ <delete dir="${DEST_DIR_DEBUG}"/>
+ <delete>
+ <fileset dir="${BIN_DIR}" includes="**FwBlockService*"/>
+ </delete>
+ </target>
+</project>
\ No newline at end of file diff --git a/EdkNt32Pkg/RuntimeDxe/FvbServices/nt32/FWBlockService.c b/EdkNt32Pkg/RuntimeDxe/FvbServices/nt32/FWBlockService.c new file mode 100644 index 0000000000..1f2f8fd2b4 --- /dev/null +++ b/EdkNt32Pkg/RuntimeDxe/FvbServices/nt32/FWBlockService.c @@ -0,0 +1,1493 @@ +/*++
+
+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:
+
+ FWBlockService.c
+
+Abstract:
+
+Revision History
+
+--*/
+
+#include "FWBlockService.h"
+
+ESAL_FWB_GLOBAL *mFvbModuleGlobal;
+
+EFI_FW_VOL_BLOCK_DEVICE mFvbDeviceTemplate = {
+ FVB_DEVICE_SIGNATURE,
+ {
+ {
+ {
+ HARDWARE_DEVICE_PATH,
+ HW_MEMMAP_DP,
+ {
+ sizeof (MEMMAP_DEVICE_PATH),
+ 0
+ }
+ },
+ EfiMemoryMappedIO,
+ 0,
+ 0,
+ },
+ {
+ END_DEVICE_PATH_TYPE,
+ END_ENTIRE_DEVICE_PATH_SUBTYPE,
+ {
+ sizeof (EFI_DEVICE_PATH_PROTOCOL),
+ 0
+ }
+ }
+ },
+ 0,
+ {
+ FvbProtocolGetAttributes,
+ FvbProtocolSetAttributes,
+ FvbProtocolGetPhysicalAddress,
+ FvbProtocolGetBlockSize,
+ FvbProtocolRead,
+ FvbProtocolWrite,
+ FvbProtocolEraseBlocks,
+ NULL
+ },
+ {
+ FvbExtendProtocolEraseCustomBlockRange
+ }
+};
+
+
+
+VOID
+EFIAPI
+FvbVirtualddressChangeEvent (
+ IN EFI_EVENT Event,
+ IN VOID *Context
+ )
+/*++
+
+Routine Description:
+
+ Fixup internal data so that EFI and SAL can be call in virtual mode.
+ Call the passed in Child Notify event and convert the mFvbModuleGlobal
+ date items to there virtual address.
+
+ mFvbModuleGlobal->FvInstance[FVB_PHYSICAL] - Physical copy of instance data
+ mFvbModuleGlobal->FvInstance[FVB_VIRTUAL] - Virtual pointer to common
+ instance data.
+
+Arguments:
+
+ (Standard EFI notify event - EFI_EVENT_NOTIFY)
+
+Returns:
+
+ None
+
+--*/
+{
+ EFI_FW_VOL_INSTANCE *FwhInstance;
+ UINTN Index;
+
+ EfiConvertPointer (0x0, (VOID **) &mFvbModuleGlobal->FvInstance[FVB_VIRTUAL]);
+
+ //
+ // Convert the base address of all the instances
+ //
+ Index = 0;
+ FwhInstance = mFvbModuleGlobal->FvInstance[FVB_PHYSICAL];
+ while (Index < mFvbModuleGlobal->NumFv) {
+ EfiConvertPointer (0x0, (VOID **) &FwhInstance->FvBase[FVB_VIRTUAL]);
+ FwhInstance = (EFI_FW_VOL_INSTANCE *)
+ (
+ (UINTN) ((UINT8 *) FwhInstance) + FwhInstance->VolumeHeader.HeaderLength +
+ (sizeof (EFI_FW_VOL_INSTANCE) - sizeof (EFI_FIRMWARE_VOLUME_HEADER))
+ );
+ Index++;
+ }
+
+ EfiConvertPointer (0x0, (VOID **) &mFvbModuleGlobal->FvbScratchSpace[FVB_VIRTUAL]);
+ EfiConvertPointer (0x0, (VOID **) &mFvbModuleGlobal);
+}
+
+EFI_STATUS
+GetFvbInstance (
+ IN UINTN Instance,
+ IN ESAL_FWB_GLOBAL *Global,
+ OUT EFI_FW_VOL_INSTANCE **FwhInstance,
+ IN BOOLEAN Virtual
+ )
+/*++
+
+Routine Description:
+ Retrieves the physical address of a memory mapped FV
+
+Arguments:
+ Instance - The FV instance whose base address is going to be
+ returned
+ Global - Pointer to ESAL_FWB_GLOBAL that contains all
+ instance data
+ FwhInstance - The EFI_FW_VOL_INSTANCE fimrware instance structure
+ Virtual - Whether CPU is in virtual or physical mode
+
+Returns:
+ EFI_SUCCESS - Successfully returns
+ EFI_INVALID_PARAMETER - Instance not found
+
+--*/
+{
+ EFI_FW_VOL_INSTANCE *FwhRecord;
+
+ if (Instance >= Global->NumFv) {
+ return EFI_INVALID_PARAMETER;
+ }
+ //
+ // Find the right instance of the FVB private data
+ //
+ FwhRecord = Global->FvInstance[Virtual];
+ while (Instance > 0) {
+ FwhRecord = (EFI_FW_VOL_INSTANCE *)
+ (
+ (UINTN) ((UINT8 *) FwhRecord) + FwhRecord->VolumeHeader.HeaderLength +
+ (sizeof (EFI_FW_VOL_INSTANCE) - sizeof (EFI_FIRMWARE_VOLUME_HEADER))
+ );
+ Instance--;
+ }
+
+ *FwhInstance = FwhRecord;
+
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS
+FvbGetPhysicalAddress (
+ IN UINTN Instance,
+ OUT EFI_PHYSICAL_ADDRESS *Address,
+ IN ESAL_FWB_GLOBAL *Global,
+ IN BOOLEAN Virtual
+ )
+/*++
+
+Routine Description:
+ Retrieves the physical address of a memory mapped FV
+
+Arguments:
+ Instance - The FV instance whose base address is going to be
+ returned
+ Address - Pointer to a caller allocated EFI_PHYSICAL_ADDRESS
+ that on successful return, contains the base address
+ of the firmware volume.
+ Global - Pointer to ESAL_FWB_GLOBAL that contains all
+ instance data
+ Virtual - Whether CPU is in virtual or physical mode
+
+Returns:
+ EFI_SUCCESS - Successfully returns
+ EFI_INVALID_PARAMETER - Instance not found
+
+--*/
+{
+ EFI_FW_VOL_INSTANCE *FwhInstance;
+ EFI_STATUS Status;
+
+ //
+ // Find the right instance of the FVB private data
+ //
+ Status = GetFvbInstance (Instance, Global, &FwhInstance, Virtual);
+ ASSERT_EFI_ERROR (Status);
+ *Address = FwhInstance->FvBase[Virtual];
+
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS
+FvbGetVolumeAttributes (
+ IN UINTN Instance,
+ OUT EFI_FVB_ATTRIBUTES *Attributes,
+ IN ESAL_FWB_GLOBAL *Global,
+ IN BOOLEAN Virtual
+ )
+/*++
+
+Routine Description:
+ Retrieves attributes, insures positive polarity of attribute bits, returns
+ resulting attributes in output parameter
+
+Arguments:
+ Instance - The FV instance whose attributes is going to be
+ returned
+ Attributes - Output buffer which contains attributes
+ Global - Pointer to ESAL_FWB_GLOBAL that contains all
+ instance data
+ Virtual - Whether CPU is in virtual or physical mode
+
+Returns:
+ EFI_SUCCESS - Successfully returns
+ EFI_INVALID_PARAMETER - Instance not found
+
+--*/
+{
+ EFI_FW_VOL_INSTANCE *FwhInstance;
+ EFI_STATUS Status;
+
+ //
+ // Find the right instance of the FVB private data
+ //
+ Status = GetFvbInstance (Instance, Global, &FwhInstance, Virtual);
+ ASSERT_EFI_ERROR (Status);
+ *Attributes = FwhInstance->VolumeHeader.Attributes;
+
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS
+FvbGetLbaAddress (
+ IN UINTN Instance,
+ IN EFI_LBA Lba,
+ OUT UINTN *LbaAddress,
+ OUT UINTN *LbaLength,
+ OUT UINTN *NumOfBlocks,
+ IN ESAL_FWB_GLOBAL *Global,
+ IN BOOLEAN Virtual
+ )
+/*++
+
+Routine Description:
+ Retrieves the starting address of an LBA in an FV
+
+Arguments:
+ Instance - The FV instance which the Lba belongs to
+ Lba - The logical block address
+ LbaAddress - On output, contains the physical starting address
+ of the Lba
+ LbaLength - On output, contains the length of the block
+ NumOfBlocks - 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
+ Global - Pointer to ESAL_FWB_GLOBAL that contains all
+ instance data
+ Virtual - Whether CPU is in virtual or physical mode
+
+Returns:
+ EFI_SUCCESS - Successfully returns
+ EFI_INVALID_PARAMETER - Instance not found
+
+--*/
+{
+ UINT32 NumBlocks;
+ UINT32 BlockLength;
+ UINTN Offset;
+ EFI_LBA StartLba;
+ EFI_LBA NextLba;
+ EFI_FW_VOL_INSTANCE *FwhInstance;
+ EFI_FV_BLOCK_MAP_ENTRY *BlockMap;
+ EFI_STATUS Status;
+
+ //
+ // Find the right instance of the FVB private data
+ //
+ Status = GetFvbInstance (Instance, Global, &FwhInstance, Virtual);
+ ASSERT_EFI_ERROR (Status);
+
+ StartLba = 0;
+ Offset = 0;
+ BlockMap = &(FwhInstance->VolumeHeader.FvBlockMap[0]);
+
+ //
+ // Parse the blockmap of the FV to find which map entry the Lba belongs to
+ //
+ while (TRUE) {
+ NumBlocks = BlockMap->NumBlocks;
+ BlockLength = BlockMap->BlockLength;
+
+ if (NumBlocks == 0 || BlockLength == 0) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ NextLba = StartLba + NumBlocks;
+
+ //
+ // The map entry found
+ //
+ if (Lba >= StartLba && Lba < NextLba) {
+ Offset = Offset + (UINTN) MultU64x32 ((Lba - StartLba), BlockLength);
+ if (LbaAddress != NULL) {
+ *LbaAddress = FwhInstance->FvBase[Virtual] + Offset;
+ }
+
+ if (LbaLength != NULL) {
+ *LbaLength = BlockLength;
+ }
+
+ if (NumOfBlocks != NULL) {
+ *NumOfBlocks = (UINTN) (NextLba - Lba);
+ }
+
+ return EFI_SUCCESS;
+ }
+
+ StartLba = NextLba;
+ Offset = Offset + NumBlocks * BlockLength;
+ BlockMap++;
+ }
+}
+
+EFI_STATUS
+FvbReadBlock (
+ IN UINTN Instance,
+ IN EFI_LBA Lba,
+ IN UINTN BlockOffset,
+ IN OUT UINTN *NumBytes,
+ IN UINT8 *Buffer,
+ IN ESAL_FWB_GLOBAL *Global,
+ IN BOOLEAN Virtual
+ )
+/*++
+
+Routine Description:
+ Reads specified number of bytes into a buffer from the specified block
+
+Arguments:
+ Instance - The FV instance to be read from
+ Lba - The logical block address to be read from
+ BlockOffset - Offset into the block at which to begin reading
+ NumBytes - Pointer that on input contains the total size of
+ the buffer. On output, it contains the total number
+ of bytes read
+ Buffer - Pointer to a caller allocated buffer that will be
+ used to hold the data read
+ Global - Pointer to ESAL_FWB_GLOBAL that contains all
+ instance data
+ Virtual - Whether CPU is in virtual or physical mode
+
+Returns:
+ EFI_SUCCESS - The firmware volume was read successfully and
+ contents are in Buffer
+ EFI_BAD_BUFFER_SIZE - Read attempted across a LBA boundary. On output,
+ NumBytes contains the total number of bytes returned
+ in Buffer
+ EFI_ACCESS_DENIED - The firmware volume is in the ReadDisabled state
+ EFI_DEVICE_ERROR - The block device is not functioning correctly and
+ could not be read
+ EFI_INVALID_PARAMETER - Instance not found, or NumBytes, Buffer are NULL
+
+--*/
+{
+ EFI_FVB_ATTRIBUTES Attributes;
+ UINTN LbaAddress;
+ UINTN LbaLength;
+ EFI_STATUS Status;
+
+ //
+ // Check for invalid conditions
+ //
+ if ((NumBytes == NULL) || (Buffer == NULL)) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ if (*NumBytes == 0) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ Status = FvbGetLbaAddress (Instance, Lba, &LbaAddress, &LbaLength, NULL, Global, Virtual);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+ //
+ // Check if the FV is read enabled
+ //
+ FvbGetVolumeAttributes (Instance, &Attributes, Global, Virtual);
+
+ if ((Attributes & EFI_FVB_READ_STATUS) == 0) {
+ return EFI_ACCESS_DENIED;
+ }
+ //
+ // Perform boundary checks and adjust NumBytes
+ //
+ if (BlockOffset > LbaLength) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ if (LbaLength < (*NumBytes + BlockOffset)) {
+ *NumBytes = (UINT32) (LbaLength - BlockOffset);
+ Status = EFI_BAD_BUFFER_SIZE;
+ }
+
+ CopyMem (Buffer, (UINT8 *) (LbaAddress + BlockOffset), (UINTN) (*NumBytes));
+
+ return Status;
+}
+
+EFI_STATUS
+FvbWriteBlock (
+ IN UINTN Instance,
+ IN EFI_LBA Lba,
+ IN UINTN BlockOffset,
+ IN OUT UINTN *NumBytes,
+ IN UINT8 *Buffer,
+ IN ESAL_FWB_GLOBAL *Global,
+ IN BOOLEAN Virtual
+ )
+/*++
+
+Routine Description:
+ Writes specified number of bytes from the input buffer to the block
+
+Arguments:
+ Instance - The FV instance to be written to
+ Lba - The starting logical block index to write to
+ BlockOffset - Offset into the block at which to begin writing
+ NumBytes - Pointer that on input contains the total size of
+ the buffer. On output, it contains the total number
+ of bytes actually written
+ Buffer - Pointer to a caller allocated buffer that contains
+ the source for the write
+ Global - Pointer to ESAL_FWB_GLOBAL that contains all
+ instance data
+ Virtual - Whether CPU is in virtual or physical mode
+
+Returns:
+ EFI_SUCCESS - The firmware volume was written successfully
+ EFI_BAD_BUFFER_SIZE - Write attempted across a LBA boundary. On output,
+ NumBytes contains the total number of bytes
+ actually written
+ EFI_ACCESS_DENIED - The firmware volume is in the WriteDisabled state
+ EFI_DEVICE_ERROR - The block device is not functioning correctly and
+ could not be written
+ EFI_INVALID_PARAMETER - Instance not found, or NumBytes, Buffer are NULL
+
+--*/
+{
+ EFI_FVB_ATTRIBUTES Attributes;
+ UINTN LbaAddress;
+ UINTN LbaLength;
+ EFI_STATUS Status;
+
+ //
+ // Check for invalid conditions
+ //
+ if ((NumBytes == NULL) || (Buffer == NULL)) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ if (*NumBytes == 0) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ Status = FvbGetLbaAddress (Instance, Lba, &LbaAddress, &LbaLength, NULL, Global, Virtual);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+ //
+ // Check if the FV is write enabled
+ //
+ FvbGetVolumeAttributes (Instance, &Attributes, Global, Virtual);
+
+ if ((Attributes & EFI_FVB_WRITE_STATUS) == 0) {
+ return EFI_ACCESS_DENIED;
+ }
+ //
+ // Perform boundary checks and adjust NumBytes
+ //
+ if (BlockOffset > LbaLength) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ if (LbaLength < (*NumBytes + BlockOffset)) {
+ *NumBytes = (UINT32) (LbaLength - BlockOffset);
+ Status = EFI_BAD_BUFFER_SIZE;
+ }
+ //
+ // Write data
+ //
+ CopyMem ((UINT8 *) (LbaAddress + BlockOffset), Buffer, (UINTN) (*NumBytes));
+
+ return Status;
+}
+
+EFI_STATUS
+FvbEraseBlock (
+ IN UINTN Instance,
+ IN EFI_LBA Lba,
+ IN ESAL_FWB_GLOBAL *Global,
+ IN BOOLEAN Virtual
+ )
+/*++
+
+Routine Description:
+ Erases and initializes a firmware volume block
+
+Arguments:
+ Instance - The FV instance to be erased
+ Lba - The logical block index to be erased
+ Global - Pointer to ESAL_FWB_GLOBAL that contains all
+ instance data
+ Virtual - Whether CPU is in virtual or physical mode
+
+Returns:
+ EFI_SUCCESS - The erase request was successfully completed
+ EFI_ACCESS_DENIED - The firmware volume is in the WriteDisabled state
+ EFI_DEVICE_ERROR - The block device is not functioning correctly and
+ could not be written. Firmware device may have been
+ partially erased
+ EFI_INVALID_PARAMETER - Instance not found
+
+--*/
+{
+
+ EFI_FVB_ATTRIBUTES Attributes;
+ UINTN LbaAddress;
+ UINTN LbaLength;
+ EFI_STATUS Status;
+ UINT8 Data;
+
+ //
+ // Check if the FV is write enabled
+ //
+ FvbGetVolumeAttributes (Instance, &Attributes, Global, Virtual);
+
+ if ((Attributes & EFI_FVB_WRITE_STATUS) == 0) {
+ return EFI_ACCESS_DENIED;
+ }
+ //
+ // Get the starting address of the block for erase.
+ //
+ Status = FvbGetLbaAddress (Instance, Lba, &LbaAddress, &LbaLength, NULL, Global, Virtual);
+
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ if ((Attributes & EFI_FVB_ERASE_POLARITY) != 0) {
+ Data = 0xFF;
+ } else {
+ Data = 0x0;
+ }
+
+ SetMem ((UINT8 *) LbaAddress, LbaLength, Data);
+
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS
+FvbEraseCustomBlockRange (
+ IN UINTN Instance,
+ IN EFI_LBA StartLba,
+ IN UINTN OffsetStartLba,
+ IN EFI_LBA LastLba,
+ IN UINTN OffsetLastLba,
+ IN ESAL_FWB_GLOBAL *Global,
+ IN BOOLEAN Virtual
+ )
+/*++
+
+Routine Description:
+ Erases and initializes a specified range of a firmware volume
+
+Arguments:
+ Instance - The FV instance to be erased
+ StartLba - The starting logical block index to be erased
+ OffsetStartLba - Offset into the starting block at which to
+ begin erasing
+ LastLba - The last logical block index to be erased
+ OffsetStartLba - Offset into the last block at which to end erasing
+ Global - Pointer to ESAL_FWB_GLOBAL that contains all
+ instance data
+ Virtual - Whether CPU is in virtual or physical mode
+
+Returns:
+ EFI_SUCCESS - The firmware volume was erased successfully
+ EFI_ACCESS_DENIED - The firmware volume is in the WriteDisabled state
+ EFI_DEVICE_ERROR - The block device is not functioning correctly and
+ could not be written. Firmware device may have been
+ partially erased
+ EFI_INVALID_PARAMETER - Instance not found
+
+--*/
+{
+ EFI_LBA Index;
+ UINTN LbaSize;
+ UINTN ScratchLbaSizeData;
+
+ //
+ // First LBA
+ //
+ FvbGetLbaAddress (Instance, StartLba, NULL, &LbaSize, NULL, Global, Virtual);
+
+ //
+ // Use the scratch space as the intermediate buffer to transfer data
+ // Back up the first LBA in scratch space.
+ //
+ FvbReadBlock (Instance, StartLba, 0, &LbaSize, Global->FvbScratchSpace[Virtual], Global, Virtual);
+
+ //
+ // erase now
+ //
+ FvbEraseBlock (Instance, StartLba, Global, Virtual);
+ ScratchLbaSizeData = OffsetStartLba;
+
+ //
+ // write the data back to the first block
+ //
+ if (ScratchLbaSizeData > 0) {
+ FvbWriteBlock (Instance, StartLba, 0, &ScratchLbaSizeData, Global->FvbScratchSpace[Virtual], Global, Virtual);
+ }
+ //
+ // Middle LBAs
+ //
+ if (LastLba > (StartLba + 1)) {
+ for (Index = (StartLba + 1); Index <= (LastLba - 1); Index++) {
+ FvbEraseBlock (Instance, Index, Global, Virtual);
+ }
+ }
+ //
+ // Last LBAs, the same as first LBAs
+ //
+ if (LastLba > StartLba) {
+ FvbGetLbaAddress (Instance, LastLba, NULL, &LbaSize, NULL, Global, Virtual);
+ FvbReadBlock (Instance, LastLba, 0, &LbaSize, Global->FvbScratchSpace[Virtual], Global, Virtual);
+ FvbEraseBlock (Instance, LastLba, Global, Virtual);
+ }
+
+ ScratchLbaSizeData = LbaSize - (OffsetStartLba + 1);
+
+ return FvbWriteBlock (
+ Instance,
+ LastLba,
+ (OffsetLastLba + 1),
+ &ScratchLbaSizeData,
+ Global->FvbScratchSpace[Virtual],
+ Global,
+ Virtual
+ );
+}
+
+EFI_STATUS
+FvbSetVolumeAttributes (
+ IN UINTN Instance,
+ IN OUT EFI_FVB_ATTRIBUTES *Attributes,
+ IN ESAL_FWB_GLOBAL *Global,
+ IN BOOLEAN Virtual
+ )
+/*++
+
+Routine Description:
+ Modifies the current settings of the firmware volume according to the
+ input parameter, and returns the new setting of the volume
+
+Arguments:
+ Instance - The FV instance whose attributes is going to be
+ modified
+ Attributes - On input, it is a pointer to EFI_FVB_ATTRIBUTES
+ containing the desired firmware volume settings.
+ On successful return, it contains the new settings
+ of the firmware volume
+ Global - Pointer to ESAL_FWB_GLOBAL that contains all
+ instance data
+ Virtual - Whether CPU is in virtual or physical mode
+
+Returns:
+ EFI_SUCCESS - Successfully returns
+ EFI_ACCESS_DENIED - The volume setting is locked and cannot be modified
+ EFI_INVALID_PARAMETER - Instance not found, or The attributes requested are
+ in conflict with the capabilities as declared in the
+ firmware volume header
+
+--*/
+{
+ EFI_FW_VOL_INSTANCE *FwhInstance;
+ EFI_FVB_ATTRIBUTES OldAttributes;
+ EFI_FVB_ATTRIBUTES *AttribPtr;
+ UINT32 Capabilities;
+ UINT32 OldStatus;
+ UINT32 NewStatus;
+ EFI_STATUS Status;
+
+ //
+ // Find the right instance of the FVB private data
+ //
+ Status = GetFvbInstance (Instance, Global, &FwhInstance, Virtual);
+ ASSERT_EFI_ERROR (Status);
+
+ AttribPtr = (EFI_FVB_ATTRIBUTES *) &(FwhInstance->VolumeHeader.Attributes);
+ OldAttributes = *AttribPtr;
+ Capabilities = OldAttributes & EFI_FVB_CAPABILITIES;
+ OldStatus = OldAttributes & EFI_FVB_STATUS;
+ NewStatus = *Attributes & EFI_FVB_STATUS;
+
+ //
+ // If firmware volume is locked, no status bit can be updated
+ //
+ if (OldAttributes & EFI_FVB_LOCK_STATUS) {
+ if (OldStatus ^ NewStatus) {
+ return EFI_ACCESS_DENIED;
+ }
+ }
+ //
+ // Test read disable
+ //
+ if ((Capabilities & EFI_FVB_READ_DISABLED_CAP) == 0) {
+ if ((NewStatus & EFI_FVB_READ_STATUS) == 0) {
+ return EFI_INVALID_PARAMETER;
+ }
+ }
+ //
+ // Test read enable
+ //
+ if ((Capabilities & EFI_FVB_READ_ENABLED_CAP) == 0) {
+ if (NewStatus & EFI_FVB_READ_STATUS) {
+ return EFI_INVALID_PARAMETER;
+ }
+ }
+ //
+ // Test write disable
+ //
+ if ((Capabilities & EFI_FVB_WRITE_DISABLED_CAP) == 0) {
+ if ((NewStatus & EFI_FVB_WRITE_STATUS) == 0) {
+ return EFI_INVALID_PARAMETER;
+ }
+ }
+ //
+ // Test write enable
+ //
+ if ((Capabilities & EFI_FVB_WRITE_ENABLED_CAP) == 0) {
+ if (NewStatus & EFI_FVB_WRITE_STATUS) {
+ return EFI_INVALID_PARAMETER;
+ }
+ }
+ //
+ // Test lock
+ //
+ if ((Capabilities & EFI_FVB_LOCK_CAP) == 0) {
+ if (NewStatus & EFI_FVB_LOCK_STATUS) {
+ return EFI_INVALID_PARAMETER;
+ }
+ }
+
+ *AttribPtr = (*AttribPtr) & (0xFFFFFFFF & (~EFI_FVB_STATUS));
+ *AttribPtr = (*AttribPtr) | NewStatus;
+ *Attributes = *AttribPtr;
+
+ return EFI_SUCCESS;
+}
+//
+// FVB protocol APIs
+//
+EFI_STATUS
+EFIAPI
+FvbProtocolGetPhysicalAddress (
+ IN EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,
+ OUT EFI_PHYSICAL_ADDRESS *Address
+ )
+/*++
+
+Routine Description:
+
+ Retrieves the physical address of the device.
+
+Arguments:
+
+ This - Calling context
+ Address - Output buffer containing the address.
+
+Returns:
+
+Returns:
+ EFI_SUCCESS - Successfully returns
+
+--*/
+{
+ EFI_FW_VOL_BLOCK_DEVICE *FvbDevice;
+
+ FvbDevice = FVB_DEVICE_FROM_THIS (This);
+
+ return FvbGetPhysicalAddress (FvbDevice->Instance, Address, mFvbModuleGlobal, EfiGoneVirtual ());
+}
+
+EFI_STATUS
+EFIAPI
+FvbProtocolGetBlockSize (
+ IN EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,
+ IN EFI_LBA Lba,
+ OUT UINTN *BlockSize,
+ OUT UINTN *NumOfBlocks
+ )
+/*++
+
+Routine Description:
+ Retrieve the size of a logical block
+
+Arguments:
+ This - Calling context
+ Lba - Indicates which block to return the size for.
+ BlockSize - A pointer to a caller allocated UINTN in which
+ the size of the block is returned
+ NumOfBlocks - 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
+
+Returns:
+ EFI_SUCCESS - The firmware volume was read successfully and
+ contents are in Buffer
+
+--*/
+{
+ EFI_FW_VOL_BLOCK_DEVICE *FvbDevice;
+
+ FvbDevice = FVB_DEVICE_FROM_THIS (This);
+
+ return FvbGetLbaAddress (
+ FvbDevice->Instance,
+ Lba,
+ NULL,
+ BlockSize,
+ NumOfBlocks,
+ mFvbModuleGlobal,
+ EfiGoneVirtual ()
+ );
+}
+
+EFI_STATUS
+EFIAPI
+FvbProtocolGetAttributes (
+ IN EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,
+ OUT EFI_FVB_ATTRIBUTES *Attributes
+ )
+/*++
+
+Routine Description:
+ Retrieves Volume attributes. No polarity translations are done.
+
+Arguments:
+ This - Calling context
+ Attributes - output buffer which contains attributes
+
+Returns:
+ EFI_SUCCESS - Successfully returns
+
+--*/
+{
+ EFI_FW_VOL_BLOCK_DEVICE *FvbDevice;
+
+ FvbDevice = FVB_DEVICE_FROM_THIS (This);
+
+ return FvbGetVolumeAttributes (FvbDevice->Instance, Attributes, mFvbModuleGlobal, EfiGoneVirtual ());
+}
+
+EFI_STATUS
+EFIAPI
+FvbProtocolSetAttributes (
+ IN EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,
+ IN OUT EFI_FVB_ATTRIBUTES *Attributes
+ )
+/*++
+
+Routine Description:
+ Sets Volume attributes. No polarity translations are done.
+
+Arguments:
+ This - Calling context
+ Attributes - output buffer which contains attributes
+
+Returns:
+ EFI_SUCCESS - Successfully returns
+
+--*/
+{
+ EFI_FW_VOL_BLOCK_DEVICE *FvbDevice;
+
+ FvbDevice = FVB_DEVICE_FROM_THIS (This);
+
+ return FvbSetVolumeAttributes (FvbDevice->Instance, Attributes, mFvbModuleGlobal, EfiGoneVirtual ());
+}
+
+EFI_STATUS
+EFIAPI
+FvbProtocolEraseBlocks (
+ IN EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,
+ ...
+ )
+/*++
+
+Routine Description:
+
+ 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.
+
+Arguments:
+ This - Calling context
+ ... - Starting LBA followed by Number of Lba to erase.
+ a -1 to terminate the list.
+
+Returns:
+ EFI_SUCCESS - The erase request was successfully completed
+ EFI_ACCESS_DENIED - The firmware volume is in the WriteDisabled state
+ EFI_DEVICE_ERROR - The block device is not functioning correctly and
+ could not be written. Firmware device may have been
+ partially erased
+
+--*/
+{
+ EFI_FW_VOL_BLOCK_DEVICE *FvbDevice;
+ EFI_FW_VOL_INSTANCE *FwhInstance;
+ UINTN NumOfBlocks;
+ VA_LIST args;
+ EFI_LBA StartingLba;
+ UINTN NumOfLba;
+ EFI_STATUS Status;
+
+ FvbDevice = FVB_DEVICE_FROM_THIS (This);
+
+ Status = GetFvbInstance (FvbDevice->Instance, mFvbModuleGlobal, &FwhInstance, EfiGoneVirtual ());
+ ASSERT_EFI_ERROR (Status);
+
+ NumOfBlocks = FwhInstance->NumOfBlocks;
+
+ VA_START (args, This);
+
+ do {
+ StartingLba = VA_ARG (args, EFI_LBA);
+ if (StartingLba == EFI_LBA_LIST_TERMINATOR) {
+ break;
+ }
+
+ NumOfLba = VA_ARG (args, UINT32);
+
+ //
+ // Check input parameters
+ //
+ if (NumOfLba == 0) {
+ VA_END (args);
+ return EFI_INVALID_PARAMETER;
+ }
+
+ if ((StartingLba + NumOfLba) > NumOfBlocks) {
+ return EFI_INVALID_PARAMETER;
+ }
+ } while (1);
+
+ VA_END (args);
+
+ VA_START (args, This);
+ do {
+ StartingLba = VA_ARG (args, EFI_LBA);
+ if (StartingLba == EFI_LBA_LIST_TERMINATOR) {
+ break;
+ }
+
+ NumOfLba = VA_ARG (args, UINT32);
+
+ while (NumOfLba > 0) {
+ Status = FvbEraseBlock (FvbDevice->Instance, StartingLba, mFvbModuleGlobal, EfiGoneVirtual ());
+ if (EFI_ERROR (Status)) {
+ VA_END (args);
+ return Status;
+ }
+
+ StartingLba++;
+ NumOfLba--;
+ }
+
+ } while (1);
+
+ VA_END (args);
+
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS
+EFIAPI
+FvbProtocolWrite (
+ IN EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,
+ IN EFI_LBA Lba,
+ IN UINTN Offset,
+ IN OUT UINTN *NumBytes,
+ IN UINT8 *Buffer
+ )
+/*++
+
+Routine Description:
+
+ 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. The write opertion does not include erase. This routine will
+ attempt to write only the specified bytes. If the writes do not stick,
+ it will return an error.
+
+Arguments:
+ This - Calling context
+ Lba - Block in which to begin write
+ Offset - Offset in the block at which to begin write
+ NumBytes - On input, indicates the requested write size. On
+ output, indicates the actual number of bytes written
+ Buffer - Buffer containing source data for the write.
+
+Returns:
+ EFI_SUCCESS - The firmware volume was written successfully
+ EFI_BAD_BUFFER_SIZE - Write attempted across a LBA boundary. On output,
+ NumBytes contains the total number of bytes
+ actually written
+ EFI_ACCESS_DENIED - The firmware volume is in the WriteDisabled state
+ EFI_DEVICE_ERROR - The block device is not functioning correctly and
+ could not be written
+ EFI_INVALID_PARAMETER - NumBytes or Buffer are NULL
+
+--*/
+{
+
+ EFI_FW_VOL_BLOCK_DEVICE *FvbDevice;
+
+ FvbDevice = FVB_DEVICE_FROM_THIS (This);
+
+ return FvbWriteBlock (FvbDevice->Instance, Lba, Offset, NumBytes, Buffer, mFvbModuleGlobal, EfiGoneVirtual ());
+}
+
+EFI_STATUS
+EFIAPI
+FvbProtocolRead (
+ IN EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,
+ IN EFI_LBA Lba,
+ IN UINTN Offset,
+ IN OUT UINTN *NumBytes,
+ IN UINT8 *Buffer
+ )
+/*++
+
+Routine Description:
+
+ Reads data beginning at Lba:Offset from FV. 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
+ written. The write opertion does not include erase. This routine will
+ attempt to write only the specified bytes. If the writes do not stick,
+ it will return an error.
+
+Arguments:
+ This - Calling context
+ Lba - Block in which to begin Read
+ Offset - Offset in the block at which to begin Read
+ NumBytes - On input, indicates the requested write size. On
+ output, indicates the actual number of bytes Read
+ Buffer - Buffer containing source data for the Read.
+
+Returns:
+ EFI_SUCCESS - The firmware volume was read successfully and
+ contents are in Buffer
+ EFI_BAD_BUFFER_SIZE - Read attempted across a LBA boundary. On output,
+ NumBytes contains the total number of bytes returned
+ in Buffer
+ EFI_ACCESS_DENIED - The firmware volume is in the ReadDisabled state
+ EFI_DEVICE_ERROR - The block device is not functioning correctly and
+ could not be read
+ EFI_INVALID_PARAMETER - NumBytes or Buffer are NULL
+
+--*/
+{
+
+ EFI_FW_VOL_BLOCK_DEVICE *FvbDevice;
+
+ FvbDevice = FVB_DEVICE_FROM_THIS (This);
+
+ return FvbReadBlock (FvbDevice->Instance, Lba, Offset, NumBytes, Buffer, mFvbModuleGlobal, EfiGoneVirtual ());
+}
+//
+// FVB Extension Protocols
+//
+EFI_STATUS
+EFIAPI
+FvbExtendProtocolEraseCustomBlockRange (
+ IN EFI_FVB_EXTENSION_PROTOCOL *This,
+ IN EFI_LBA StartLba,
+ IN UINTN OffsetStartLba,
+ IN EFI_LBA LastLba,
+ IN UINTN OffsetLastLba
+ )
+/*++
+
+Routine Description:
+ Erases and initializes a specified range of a firmware volume
+
+Arguments:
+ This - Calling context
+ StartLba - The starting logical block index to be erased
+ OffsetStartLba - Offset into the starting block at which to
+ begin erasing
+ LastLba - The last logical block index to be erased
+ OffsetStartLba - Offset into the last block at which to end erasing
+
+Returns:
+ EFI_SUCCESS - The firmware volume was erased successfully
+ EFI_ACCESS_DENIED - The firmware volume is in the WriteDisabled state
+ EFI_DEVICE_ERROR - The block device is not functioning correctly and
+ could not be written. Firmware device may have been
+ partially erased
+
+--*/
+{
+ EFI_FW_VOL_BLOCK_DEVICE *FvbDevice;
+
+ FvbDevice = FVB_EXTEND_DEVICE_FROM_THIS (This);
+
+ return FvbEraseCustomBlockRange (
+ FvbDevice->Instance,
+ StartLba,
+ OffsetStartLba,
+ LastLba,
+ OffsetLastLba,
+ mFvbModuleGlobal,
+ EfiGoneVirtual ()
+ );
+}
+
+STATIC
+EFI_STATUS
+ValidateFvHeader (
+ EFI_FIRMWARE_VOLUME_HEADER *FwVolHeader
+ )
+/*++
+
+Routine Description:
+ Check the integrity of firmware volume header
+
+Arguments:
+ FwVolHeader - A pointer to a firmware volume header
+
+Returns:
+ EFI_SUCCESS - The firmware volume is consistent
+ EFI_NOT_FOUND - The firmware volume has corrupted. So it is not an FV
+
+--*/
+{
+ UINT16 *Ptr;
+ UINT16 HeaderLength;
+ UINT16 Checksum;
+
+ //
+ // Verify the header revision, header signature, length
+ // Length of FvBlock cannot be 2**64-1
+ // HeaderLength cannot be an odd number
+ //
+ if ((FwVolHeader->Revision != EFI_FVH_REVISION) ||
+ (FwVolHeader->Signature != EFI_FVH_SIGNATURE) ||
+ (FwVolHeader->FvLength == ((UINTN) -1)) ||
+ ((FwVolHeader->HeaderLength & 0x01) != 0)
+ ) {
+ return EFI_NOT_FOUND;
+ }
+ //
+ // Verify the header checksum
+ //
+ HeaderLength = (UINT16) (FwVolHeader->HeaderLength / 2);
+ Ptr = (UINT16 *) FwVolHeader;
+ Checksum = 0;
+ while (HeaderLength > 0) {
+ Checksum = *Ptr++;
+ HeaderLength--;
+ }
+
+ if (Checksum != 0) {
+ return EFI_NOT_FOUND;
+ }
+
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS
+EFIAPI
+FvbInitialize (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+/*++
+
+Routine Description:
+ This function does common initialization for FVB services
+
+Arguments:
+
+Returns:
+
+--*/
+{
+ EFI_STATUS Status;
+ EFI_FW_VOL_INSTANCE *FwhInstance;
+ EFI_FIRMWARE_VOLUME_HEADER *FwVolHeader;
+ EFI_DXE_SERVICES *DxeServices;
+ EFI_GCD_MEMORY_SPACE_DESCRIPTOR Descriptor;
+ UINT32 BufferSize;
+ EFI_FV_BLOCK_MAP_ENTRY *PtrBlockMapEntry;
+ EFI_HANDLE FwbHandle;
+ EFI_FW_VOL_BLOCK_DEVICE *FvbDevice;
+ EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *OldFwbInterface;
+ EFI_DEVICE_PATH_PROTOCOL *TempFwbDevicePath;
+ FV_DEVICE_PATH TempFvbDevicePathData;
+ UINT32 MaxLbaSize;
+ EFI_PHYSICAL_ADDRESS BaseAddress;
+ UINT64 Length;
+ UINTN NumOfBlocks;
+ EFI_PEI_HOB_POINTERS FvHob;
+
+ //
+ // Get the DXE services table
+ //
+ DxeServices = gDS;
+
+ //
+ // Allocate runtime services data for global variable, which contains
+ // the private data of all firmware volume block instances
+ //
+ Status = gBS->AllocatePool (
+ EfiRuntimeServicesData,
+ sizeof (ESAL_FWB_GLOBAL),
+ &mFvbModuleGlobal
+ );
+ ASSERT_EFI_ERROR (Status);
+
+ //
+ // Calculate the total size for all firmware volume block instances
+ //
+ BufferSize = 0;
+
+ FvHob.Raw = GetHobList ();
+ while ((FvHob.Raw = GetNextHob (EFI_HOB_TYPE_FV, FvHob.Raw)) != NULL) {
+ BaseAddress = FvHob.FirmwareVolume->BaseAddress;
+ Length = FvHob.FirmwareVolume->Length;
+ //
+ // Check if it is a "real" flash
+ //
+ Status = DxeServices->GetMemorySpaceDescriptor (
+ BaseAddress,
+ &Descriptor
+ );
+ if (EFI_ERROR (Status)) {
+ break;
+ }
+
+ if (Descriptor.GcdMemoryType != EfiGcdMemoryTypeMemoryMappedIo) {
+ FvHob.Raw = GET_NEXT_HOB (FvHob);
+ continue;
+ }
+
+ FwVolHeader = (EFI_FIRMWARE_VOLUME_HEADER *) (UINTN) BaseAddress;
+ Status = ValidateFvHeader (FwVolHeader);
+ if (EFI_ERROR (Status)) {
+ //
+ // Get FvbInfo
+ //
+ Status = GetFvbInfo (Length, &FwVolHeader);
+ if (EFI_ERROR (Status)) {
+ FvHob.Raw = GET_NEXT_HOB (FvHob);
+ continue;
+ }
+ }
+
+ BufferSize += (sizeof (EFI_FW_VOL_INSTANCE) + FwVolHeader->HeaderLength - sizeof (EFI_FIRMWARE_VOLUME_HEADER));
+ FvHob.Raw = GET_NEXT_HOB (FvHob);
+ }
+
+ //
+ // Only need to allocate once. There is only one copy of physical memory for
+ // the private data of each FV instance. But in virtual mode or in physical
+ // mode, the address of the the physical memory may be different.
+ //
+ Status = gBS->AllocatePool (
+ EfiRuntimeServicesData,
+ BufferSize,
+ &mFvbModuleGlobal->FvInstance[FVB_PHYSICAL]
+ );
+ ASSERT_EFI_ERROR (Status);
+
+ //
+ // Make a virtual copy of the FvInstance pointer.
+ //
+ FwhInstance = mFvbModuleGlobal->FvInstance[FVB_PHYSICAL];
+ mFvbModuleGlobal->FvInstance[FVB_VIRTUAL] = FwhInstance;
+
+ mFvbModuleGlobal->NumFv = 0;
+ MaxLbaSize = 0;
+
+ FvHob.Raw = GetHobList ();
+ while (NULL != (FvHob.Raw = GetNextHob (EFI_HOB_TYPE_FV, FvHob.Raw))) {
+ BaseAddress = FvHob.FirmwareVolume->BaseAddress;
+ Length = FvHob.FirmwareVolume->Length;
+ //
+ // Check if it is a "real" flash
+ //
+ Status = DxeServices->GetMemorySpaceDescriptor (
+ BaseAddress,
+ &Descriptor
+ );
+ if (EFI_ERROR (Status)) {
+ break;
+ }
+
+ if (Descriptor.GcdMemoryType != EfiGcdMemoryTypeMemoryMappedIo) {
+ FvHob.Raw = GET_NEXT_HOB (FvHob);
+ continue;
+ }
+
+ FwVolHeader = (EFI_FIRMWARE_VOLUME_HEADER *) (UINTN) BaseAddress;
+ Status = ValidateFvHeader (FwVolHeader);
+ if (EFI_ERROR (Status)) {
+ //
+ // Get FvbInfo to provide in FwhInstance.
+ //
+ Status = GetFvbInfo (Length, &FwVolHeader);
+ if (EFI_ERROR (Status)) {
+ FvHob.Raw = GET_NEXT_HOB (FvHob);
+ continue;
+ }
+ //
+ // Write healthy FV header back.
+ //
+ CopyMem (
+ (VOID *) (UINTN) BaseAddress,
+ (VOID *) FwVolHeader,
+ FwVolHeader->HeaderLength
+ );
+ }
+
+ FwhInstance->FvBase[FVB_PHYSICAL] = (UINTN) BaseAddress;
+ FwhInstance->FvBase[FVB_VIRTUAL] = (UINTN) BaseAddress;
+
+ CopyMem ((UINTN *) &(FwhInstance->VolumeHeader), (UINTN *) FwVolHeader, FwVolHeader->HeaderLength);
+ FwVolHeader = &(FwhInstance->VolumeHeader);
+ EfiInitializeLock (&(FwhInstance->FvbDevLock), EFI_TPL_HIGH_LEVEL);
+
+ NumOfBlocks = 0;
+
+ for (PtrBlockMapEntry = FwVolHeader->FvBlockMap; PtrBlockMapEntry->NumBlocks != 0; PtrBlockMapEntry++) {
+ //
+ // Get the maximum size of a block. The size will be used to allocate
+ // buffer for Scratch space, the intermediate buffer for FVB extension
+ // protocol
+ //
+ if (MaxLbaSize < PtrBlockMapEntry->BlockLength) {
+ MaxLbaSize = PtrBlockMapEntry->BlockLength;
+ }
+
+ NumOfBlocks = NumOfBlocks + PtrBlockMapEntry->NumBlocks;
+ }
+ //
+ // The total number of blocks in the FV.
+ //
+ FwhInstance->NumOfBlocks = NumOfBlocks;
+
+ //
+ // Add a FVB Protocol Instance
+ //
+ Status = gBS->AllocatePool (
+ EfiRuntimeServicesData,
+ sizeof (EFI_FW_VOL_BLOCK_DEVICE),
+ &FvbDevice
+ );
+ ASSERT_EFI_ERROR (Status);
+
+ CopyMem (FvbDevice, &mFvbDeviceTemplate, sizeof (EFI_FW_VOL_BLOCK_DEVICE));
+
+ FvbDevice->Instance = mFvbModuleGlobal->NumFv;
+ mFvbModuleGlobal->NumFv++;
+
+ //
+ // Set up the devicepath
+ //
+ FvbDevice->DevicePath.MemMapDevPath.StartingAddress = BaseAddress;
+ FvbDevice->DevicePath.MemMapDevPath.EndingAddress = BaseAddress + (FwVolHeader->FvLength - 1);
+
+ //
+ // Find a handle with a matching device path that has supports FW Block protocol
+ //
+ TempFwbDevicePath = (EFI_DEVICE_PATH_PROTOCOL *) &TempFvbDevicePathData;
+ CopyMem (TempFwbDevicePath, &FvbDevice->DevicePath, sizeof (FV_DEVICE_PATH));
+ Status = gBS->LocateDevicePath (&gEfiFirmwareVolumeBlockProtocolGuid, &TempFwbDevicePath, &FwbHandle);
+ if (EFI_ERROR (Status)) {
+ //
+ // LocateDevicePath fails so install a new interface and device path
+ //
+ FwbHandle = NULL;
+ Status = gBS->InstallMultipleProtocolInterfaces (
+ &FwbHandle,
+ &gEfiFirmwareVolumeBlockProtocolGuid,
+ &FvbDevice->FwVolBlockInstance,
+ &gEfiDevicePathProtocolGuid,
+ &FvbDevice->DevicePath,
+ NULL
+ );
+ ASSERT_EFI_ERROR (Status);
+ } else if (EfiIsDevicePathEnd (TempFwbDevicePath)) {
+ //
+ // Device allready exists, so reinstall the FVB protocol
+ //
+ Status = gBS->HandleProtocol (
+ FwbHandle,
+ &gEfiFirmwareVolumeBlockProtocolGuid,
+ &OldFwbInterface
+ );
+ ASSERT_EFI_ERROR (Status);
+
+ Status = gBS->ReinstallProtocolInterface (
+ FwbHandle,
+ &gEfiFirmwareVolumeBlockProtocolGuid,
+ OldFwbInterface,
+ &FvbDevice->FwVolBlockInstance
+ );
+ ASSERT_EFI_ERROR (Status);
+
+ } else {
+ //
+ // There was a FVB protocol on an End Device Path node
+ //
+ ASSERT (FALSE);
+ }
+ //
+ // Install FVB Extension Protocol on the same handle
+ //
+ Status = gBS->InstallMultipleProtocolInterfaces (
+ &FwbHandle,
+ &gEfiFvbExtensionProtocolGuid,
+ &FvbDevice->FvbExtension,
+ &gEfiAlternateFvBlockGuid,
+ NULL,
+ NULL
+ );
+
+ ASSERT_EFI_ERROR (Status);
+
+ FwhInstance = (EFI_FW_VOL_INSTANCE *)
+ (
+ (UINTN) ((UINT8 *) FwhInstance) + FwVolHeader->HeaderLength +
+ (sizeof (EFI_FW_VOL_INSTANCE) - sizeof (EFI_FIRMWARE_VOLUME_HEADER))
+ );
+
+ FvHob.Raw = GET_NEXT_HOB (FvHob);
+ }
+
+ //
+ // Allocate for scratch space, an intermediate buffer for FVB extention
+ //
+ Status = gBS->AllocatePool (
+ EfiRuntimeServicesData,
+ MaxLbaSize,
+ &mFvbModuleGlobal->FvbScratchSpace[FVB_PHYSICAL]
+ );
+ ASSERT_EFI_ERROR (Status);
+
+ mFvbModuleGlobal->FvbScratchSpace[FVB_VIRTUAL] = mFvbModuleGlobal->FvbScratchSpace[FVB_PHYSICAL];
+
+ return EFI_SUCCESS;
+}
diff --git a/EdkNt32Pkg/RuntimeDxe/FvbServices/nt32/FvbInfo.c b/EdkNt32Pkg/RuntimeDxe/FvbServices/nt32/FvbInfo.c new file mode 100644 index 0000000000..d079423af8 --- /dev/null +++ b/EdkNt32Pkg/RuntimeDxe/FvbServices/nt32/FvbInfo.c @@ -0,0 +1,125 @@ +/*++
+
+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:
+
+ FvbInfo.c
+
+Abstract:
+
+ Defines data structure that is the volume header found.These data is intent
+ to decouple FVB driver with FV header.
+
+--*/
+
+#include "FlashLayout.h"
+
+#define FIRMWARE_BLOCK_SIZE 0x10000
+
+typedef struct {
+ UINT64 FvLength;
+ EFI_FIRMWARE_VOLUME_HEADER FvbInfo;
+ //
+ // EFI_FV_BLOCK_MAP_ENTRY ExtraBlockMap[n];//n=0
+ //
+ EFI_FV_BLOCK_MAP_ENTRY End[1];
+} EFI_FVB_MEDIA_INFO;
+
+#define FVB_MEDIA_BLOCK_SIZE FIRMWARE_BLOCK_SIZE
+#define RECOVERY_BOIS_BLOCK_NUM FIRMWARE_BLOCK_NUMBER
+#define SYSTEM_NV_BLOCK_NUM 2
+
+EFI_FVB_MEDIA_INFO mPlatformFvbMediaInfo[] = {
+ //
+ // Recovery BOIS FVB
+ //
+ {
+ EFI_WINNT_FIRMWARE_LENGTH,
+ {
+ {
+ 0,
+ }, // ZeroVector[16]
+ EFI_FIRMWARE_FILE_SYSTEM_GUID,
+ FVB_MEDIA_BLOCK_SIZE * RECOVERY_BOIS_BLOCK_NUM,
+ EFI_FVH_SIGNATURE,
+ EFI_FVB_READ_ENABLED_CAP |
+ EFI_FVB_READ_STATUS |
+ EFI_FVB_WRITE_ENABLED_CAP |
+ EFI_FVB_WRITE_STATUS |
+ EFI_FVB_ERASE_POLARITY,
+ sizeof (EFI_FIRMWARE_VOLUME_HEADER) + sizeof (EFI_FV_BLOCK_MAP_ENTRY),
+ 0, // CheckSum
+ {
+ 0,
+ }, // Reserved[3]
+ 1, // Revision
+ {
+ RECOVERY_BOIS_BLOCK_NUM,
+ FVB_MEDIA_BLOCK_SIZE,
+ }
+ },
+ {
+ 0,
+ 0
+ }
+ },
+ //
+ // Systen NvStorage FVB
+ //
+ {
+ EFI_WINNT_RUNTIME_UPDATABLE_LENGTH + EFI_WINNT_FTW_SPARE_BLOCK_LENGTH,
+ {
+ {
+ 0,
+ }, // ZeroVector[16]
+ EFI_SYSTEM_NV_DATA_HOB_GUID,
+ FVB_MEDIA_BLOCK_SIZE * SYSTEM_NV_BLOCK_NUM,
+ EFI_FVH_SIGNATURE,
+ EFI_FVB_READ_ENABLED_CAP |
+ EFI_FVB_READ_STATUS |
+ EFI_FVB_WRITE_ENABLED_CAP |
+ EFI_FVB_WRITE_STATUS |
+ EFI_FVB_ERASE_POLARITY,
+ sizeof (EFI_FIRMWARE_VOLUME_HEADER) + sizeof (EFI_FV_BLOCK_MAP_ENTRY),
+ 0, // CheckSum
+ {
+ 0,
+ }, // Reserved[3]
+ 1, // Revision
+ {
+ SYSTEM_NV_BLOCK_NUM,
+ FVB_MEDIA_BLOCK_SIZE,
+ }
+ },
+ {
+ 0,
+ 0
+ }
+ }
+};
+
+EFI_STATUS
+GetFvbInfo (
+ IN UINT64 FvLength,
+ OUT EFI_FIRMWARE_VOLUME_HEADER **FvbInfo
+ )
+{
+ UINTN Index;
+
+ for (Index = 0; Index < sizeof (mPlatformFvbMediaInfo) / sizeof (EFI_FVB_MEDIA_INFO); Index += 1) {
+ if (mPlatformFvbMediaInfo[Index].FvLength == FvLength) {
+ *FvbInfo = &mPlatformFvbMediaInfo[Index].FvbInfo;
+ return EFI_SUCCESS;
+ }
+ }
+
+ return EFI_NOT_FOUND;
+}
diff --git a/EdkNt32Pkg/RuntimeDxe/FvbServices/nt32/FwBlockService.h b/EdkNt32Pkg/RuntimeDxe/FvbServices/nt32/FwBlockService.h new file mode 100644 index 0000000000..6f949d37ec --- /dev/null +++ b/EdkNt32Pkg/RuntimeDxe/FvbServices/nt32/FwBlockService.h @@ -0,0 +1,238 @@ +/*++
+
+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:
+
+ FwBlockService.h
+
+Abstract:
+
+ Firmware volume block driver for Intel Firmware Hub (FWH) device
+
+--*/
+
+#ifndef _FW_BLOCK_SERVICE_H
+#define _FW_BLOCK_SERVICE_H
+
+//
+// BugBug: Add documentation here for data structure!!!!
+//
+#define FVB_PHYSICAL 0
+#define FVB_VIRTUAL 1
+
+typedef struct {
+ EFI_LOCK FvbDevLock;
+ UINTN FvBase[2];
+ UINTN NumOfBlocks;
+ EFI_FIRMWARE_VOLUME_HEADER VolumeHeader;
+} EFI_FW_VOL_INSTANCE;
+
+typedef struct {
+ UINT32 NumFv;
+ EFI_FW_VOL_INSTANCE *FvInstance[2];
+ UINT8 *FvbScratchSpace[2];
+} ESAL_FWB_GLOBAL;
+
+//
+// Fvb Protocol instance data
+//
+#define FVB_DEVICE_FROM_THIS(a) CR (a, EFI_FW_VOL_BLOCK_DEVICE, FwVolBlockInstance, FVB_DEVICE_SIGNATURE)
+#define FVB_EXTEND_DEVICE_FROM_THIS(a) CR (a, EFI_FW_VOL_BLOCK_DEVICE, FvbExtension, FVB_DEVICE_SIGNATURE)
+#define FVB_DEVICE_SIGNATURE EFI_SIGNATURE_32 ('F', 'V', 'B', 'N')
+
+typedef struct {
+ MEMMAP_DEVICE_PATH MemMapDevPath;
+ EFI_DEVICE_PATH_PROTOCOL EndDevPath;
+} FV_DEVICE_PATH;
+
+typedef struct {
+ UINTN Signature;
+ FV_DEVICE_PATH DevicePath;
+ UINTN Instance;
+ EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL FwVolBlockInstance;
+ EFI_FVB_EXTENSION_PROTOCOL FvbExtension;
+} EFI_FW_VOL_BLOCK_DEVICE;
+
+EFI_STATUS
+GetFvbInfo (
+ IN UINT64 FvLength,
+ OUT EFI_FIRMWARE_VOLUME_HEADER **FvbInfo
+ )
+;
+
+EFI_STATUS
+FvbReadBlock (
+ IN UINTN Instance,
+ IN EFI_LBA Lba,
+ IN UINTN BlockOffset,
+ IN OUT UINTN *NumBytes,
+ IN UINT8 *Buffer,
+ IN ESAL_FWB_GLOBAL *Global,
+ IN BOOLEAN Virtual
+ )
+;
+
+EFI_STATUS
+FvbWriteBlock (
+ IN UINTN Instance,
+ IN EFI_LBA Lba,
+ IN UINTN BlockOffset,
+ IN OUT UINTN *NumBytes,
+ IN UINT8 *Buffer,
+ IN ESAL_FWB_GLOBAL *Global,
+ IN BOOLEAN Virtual
+ )
+;
+
+EFI_STATUS
+FvbEraseBlock (
+ IN UINTN Instance,
+ IN EFI_LBA Lba,
+ IN ESAL_FWB_GLOBAL *Global,
+ IN BOOLEAN Virtual
+ )
+;
+
+EFI_STATUS
+FvbSetVolumeAttributes (
+ IN UINTN Instance,
+ IN OUT EFI_FVB_ATTRIBUTES *Attributes,
+ IN ESAL_FWB_GLOBAL *Global,
+ IN BOOLEAN Virtual
+ )
+;
+
+EFI_STATUS
+FvbGetVolumeAttributes (
+ IN UINTN Instance,
+ OUT EFI_FVB_ATTRIBUTES *Attributes,
+ IN ESAL_FWB_GLOBAL *Global,
+ IN BOOLEAN Virtual
+ )
+;
+
+EFI_STATUS
+FvbGetPhysicalAddress (
+ IN UINTN Instance,
+ OUT EFI_PHYSICAL_ADDRESS *Address,
+ IN ESAL_FWB_GLOBAL *Global,
+ IN BOOLEAN Virtual
+ )
+;
+
+EFI_STATUS
+EFIAPI
+FvbInitialize (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+;
+
+
+VOID
+EFIAPI
+FvbClassAddressChangeEvent (
+ IN EFI_EVENT Event,
+ IN VOID *Context
+ )
+;
+
+EFI_STATUS
+FvbGetLbaAddress (
+ IN UINTN Instance,
+ IN EFI_LBA Lba,
+ OUT UINTN *LbaAddress,
+ OUT UINTN *LbaLength,
+ OUT UINTN *NumOfBlocks,
+ IN ESAL_FWB_GLOBAL *Global,
+ IN BOOLEAN Virtual
+ )
+;
+
+//
+// Protocol APIs
+//
+EFI_STATUS
+EFIAPI
+FvbProtocolGetAttributes (
+ IN EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,
+ OUT EFI_FVB_ATTRIBUTES *Attributes
+ )
+;
+
+EFI_STATUS
+EFIAPI
+FvbProtocolSetAttributes (
+ IN EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,
+ IN OUT EFI_FVB_ATTRIBUTES *Attributes
+ )
+;
+
+EFI_STATUS
+EFIAPI
+FvbProtocolGetPhysicalAddress (
+ IN EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,
+ OUT EFI_PHYSICAL_ADDRESS *Address
+ )
+;
+
+EFI_STATUS
+EFIAPI
+FvbProtocolGetBlockSize (
+ IN EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,
+ IN EFI_LBA Lba,
+ OUT UINTN *BlockSize,
+ OUT UINTN *NumOfBlocks
+ )
+;
+
+EFI_STATUS
+EFIAPI
+FvbProtocolRead (
+ IN EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,
+ IN EFI_LBA Lba,
+ IN UINTN Offset,
+ IN OUT UINTN *NumBytes,
+ IN UINT8 *Buffer
+ )
+;
+
+EFI_STATUS
+EFIAPI
+FvbProtocolWrite (
+ IN EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,
+ IN EFI_LBA Lba,
+ IN UINTN Offset,
+ IN OUT UINTN *NumBytes,
+ IN UINT8 *Buffer
+ )
+;
+
+EFI_STATUS
+EFIAPI
+FvbProtocolEraseBlocks (
+ IN EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,
+ ...
+ )
+;
+
+EFI_STATUS
+EFIAPI
+FvbExtendProtocolEraseCustomBlockRange (
+ IN EFI_FVB_EXTENSION_PROTOCOL *This,
+ IN EFI_LBA StartLba,
+ IN UINTN OffsetStartLba,
+ IN EFI_LBA LastLba,
+ IN UINTN OffsetLastLba
+ )
+;
+
+#endif
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