diff options
Diffstat (limited to 'IntelFrameworkModulePkg/Bus/Isa/IsaFloppyDxe/IsaFloppyBlock.c')
| -rw-r--r-- | IntelFrameworkModulePkg/Bus/Isa/IsaFloppyDxe/IsaFloppyBlock.c | 375 |
1 files changed, 0 insertions, 375 deletions
diff --git a/IntelFrameworkModulePkg/Bus/Isa/IsaFloppyDxe/IsaFloppyBlock.c b/IntelFrameworkModulePkg/Bus/Isa/IsaFloppyDxe/IsaFloppyBlock.c deleted file mode 100644 index 39f0ba0191..0000000000 --- a/IntelFrameworkModulePkg/Bus/Isa/IsaFloppyDxe/IsaFloppyBlock.c +++ /dev/null @@ -1,375 +0,0 @@ -/** @file
- Implementation of the EFI Block IO Protocol for ISA Floppy driver
-
-Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
-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.
-
-**/
-
-#include "IsaFloppy.h"
-
-/**
- Reset the Block Device.
-
- @param This Indicates a pointer to the calling context.
- @param ExtendedVerification Driver may perform diagnostics on reset.
-
- @retval EFI_SUCCESS The device was reset.
- @retval EFI_DEVICE_ERROR The device is not functioning properly and could
- not be reset.
-**/
-EFI_STATUS
-EFIAPI
-FdcReset (
- IN EFI_BLOCK_IO_PROTOCOL *This,
- IN BOOLEAN ExtendedVerification
- )
-{
- FDC_BLK_IO_DEV *FdcDev;
-
- //
- // Reset the Floppy Disk Controller
- //
- FdcDev = FDD_BLK_IO_FROM_THIS (This);
-
- REPORT_STATUS_CODE_WITH_DEVICE_PATH (
- EFI_PROGRESS_CODE,
- EFI_P_PC_RESET | EFI_PERIPHERAL_REMOVABLE_MEDIA,
- FdcDev->DevicePath
- );
-
- return FddReset (FdcDev);
-}
-
-/**
- Flush the Block Device.
-
- @param This Indicates a pointer to the calling context.
-
- @retval EFI_SUCCESS All outstanding data was written to the device
- @retval EFI_DEVICE_ERROR The device reported an error while writting back the data
- @retval EFI_NO_MEDIA There is no media in the device.
-
-**/
-EFI_STATUS
-EFIAPI
-FddFlushBlocks (
- IN EFI_BLOCK_IO_PROTOCOL *This
- )
-{
- //
- // Not supported yet
- //
- return EFI_SUCCESS;
-}
-
-/**
- Common report status code interface.
-
- @param This Pointer of FDC_BLK_IO_DEV instance
- @param Read Read or write operation when error occurrs
-**/
-VOID
-FddReportStatus (
- IN EFI_BLOCK_IO_PROTOCOL *This,
- IN BOOLEAN Read
- )
-{
- FDC_BLK_IO_DEV *FdcDev;
-
- FdcDev = FDD_BLK_IO_FROM_THIS (This);
-
- REPORT_STATUS_CODE_WITH_DEVICE_PATH (
- EFI_ERROR_CODE,
- ((Read) ? EFI_P_EC_INPUT_ERROR : EFI_P_EC_OUTPUT_ERROR) | EFI_PERIPHERAL_REMOVABLE_MEDIA,
- FdcDev->DevicePath
- );
-}
-
-/**
- Read BufferSize bytes from Lba into Buffer.
-
- @param This Indicates a pointer to the calling context.
- @param MediaId Id of the media, changes every time the media is replaced.
- @param Lba The starting Logical Block Address to read from
- @param BufferSize Size of Buffer, must be a multiple of device block size.
- @param Buffer A pointer to the destination buffer for the data. The caller is
- responsible for either having implicit or explicit ownership of the buffer.
-
- @retval EFI_SUCCESS The data was read correctly from the device.
- @retval EFI_DEVICE_ERROR The device reported an error while performing the read.
- @retval EFI_NO_MEDIA There is no media in the device.
- @retval EFI_MEDIA_CHANGED The MediaId does not matched the current device.
- @retval EFI_BAD_BUFFER_SIZE The Buffer was not a multiple of the block size of the device.
- @retval EFI_INVALID_PARAMETER The read request contains LBAs that are not valid,
- or the buffer is not on proper alignment.
-
-**/
-EFI_STATUS
-EFIAPI
-FddReadBlocks (
- IN EFI_BLOCK_IO_PROTOCOL *This,
- IN UINT32 MediaId,
- IN EFI_LBA Lba,
- IN UINTN BufferSize,
- OUT VOID *Buffer
- )
-{
- EFI_STATUS Status;
-
- Status = FddReadWriteBlocks (This, MediaId, Lba, BufferSize, READ, Buffer);
-
- if (EFI_ERROR (Status)) {
- FddReportStatus (This, TRUE);
- }
-
- return Status;
-}
-
-/**
- Write BufferSize bytes from Lba into Buffer.
-
- @param This Indicates a pointer to the calling context.
- @param MediaId The media ID that the write request is for.
- @param Lba The starting logical block address to be written. The caller is
- responsible for writing to only legitimate locations.
- @param BufferSize Size of Buffer, must be a multiple of device block size.
- @param Buffer A pointer to the source buffer for the data.
-
- @retval EFI_SUCCESS The data was written correctly to the device.
- @retval EFI_WRITE_PROTECTED The device can not be written to.
- @retval EFI_DEVICE_ERROR The device reported an error while performing the write.
- @retval EFI_NO_MEDIA There is no media in the device.
- @retval EFI_MEDIA_CHNAGED The MediaId does not matched the current device.
- @retval EFI_BAD_BUFFER_SIZE The Buffer was not a multiple of the block size of the device.
- @retval EFI_INVALID_PARAMETER The write request contains LBAs that are not valid,
- or the buffer is not on proper alignment.
-
-**/
-EFI_STATUS
-EFIAPI
-FddWriteBlocks (
- IN EFI_BLOCK_IO_PROTOCOL *This,
- IN UINT32 MediaId,
- IN EFI_LBA Lba,
- IN UINTN BufferSize,
- IN VOID *Buffer
- )
-{
- EFI_STATUS Status;
-
- Status = FddReadWriteBlocks (This, MediaId, Lba, BufferSize, WRITE, Buffer);
-
- if (EFI_ERROR (Status)) {
- FddReportStatus (This, FALSE);
- }
-
- return Status;
-}
-
-/**
- Read or Write a number of blocks to floppy disk
-
- @param This Indicates a pointer to the calling context.
- @param MediaId Id of the media, changes every time the media is replaced.
- @param Lba The starting Logical Block Address to read from
- @param BufferSize Size of Buffer, must be a multiple of device block size.
- @param Operation Specifies the read or write operation.
- @param Buffer A pointer to the destination buffer for the data. The caller is
- responsible for either having implicit or explicit ownership of the buffer.
-
- @retval EFI_SUCCESS The data was read correctly from the device.
- @retval EFI_DEVICE_ERROR The device reported an error while performing the read.
- @retval EFI_NO_MEDIA There is no media in the device.
- @retval EFI_MEDIA_CHANGED The MediaId does not matched the current device.
- @retval EFI_BAD_BUFFER_SIZE The Buffer was not a multiple of the block size of the device.
- @retval EFI_INVALID_PARAMETER The read request contains LBAs that are not valid,
- or the buffer is not on proper alignment.
- @retval EFI_WRITE_PROTECTED The device can not be written to.
-
-**/
-EFI_STATUS
-FddReadWriteBlocks (
- IN EFI_BLOCK_IO_PROTOCOL *This,
- IN UINT32 MediaId,
- IN EFI_LBA Lba,
- IN UINTN BufferSize,
- IN BOOLEAN Operation,
- OUT VOID *Buffer
- )
-{
- EFI_BLOCK_IO_MEDIA *Media;
- FDC_BLK_IO_DEV *FdcDev;
- UINTN BlockSize;
- UINTN NumberOfBlocks;
- UINTN BlockCount;
- EFI_STATUS Status;
- EFI_LBA Lba0;
- UINT8 *Pointer;
-
- //
- // Get the intrinsic block size
- //
- Media = This->Media;
- BlockSize = Media->BlockSize;
- FdcDev = FDD_BLK_IO_FROM_THIS (This);
-
- if (Operation == WRITE) {
- if (Lba == 0) {
- FdcFreeCache (FdcDev);
- }
- }
-
- //
- // Set the drive motor on
- //
- Status = MotorOn (FdcDev);
- if (EFI_ERROR (Status)) {
- return EFI_DEVICE_ERROR;
- }
- //
- // Check to see if media can be detected
- //
- Status = DetectMedia (FdcDev);
- if (EFI_ERROR (Status)) {
- MotorOff (FdcDev);
- FdcFreeCache (FdcDev);
- return EFI_DEVICE_ERROR;
- }
- //
- // Check to see if media is present
- //
- if (!(Media->MediaPresent)) {
- MotorOff (FdcDev);
- FdcFreeCache (FdcDev);
- return EFI_NO_MEDIA;
- }
- //
- // Check to see if media has been changed
- //
- if (MediaId != Media->MediaId) {
- MotorOff (FdcDev);
- FdcFreeCache (FdcDev);
- return EFI_MEDIA_CHANGED;
- }
-
- if (BufferSize == 0) {
- MotorOff (FdcDev);
- return EFI_SUCCESS;
- }
-
- if (Operation == WRITE) {
- if (Media->ReadOnly) {
- MotorOff (FdcDev);
- return EFI_WRITE_PROTECTED;
- }
- }
- //
- // Check the parameters for this read/write operation
- //
- if (Buffer == NULL) {
- MotorOff (FdcDev);
- return EFI_INVALID_PARAMETER;
- }
-
- if (BufferSize % BlockSize != 0) {
- MotorOff (FdcDev);
- return EFI_BAD_BUFFER_SIZE;
- }
-
- if (Lba > Media->LastBlock) {
- MotorOff (FdcDev);
- return EFI_INVALID_PARAMETER;
- }
-
- if (((BufferSize / BlockSize) + Lba - 1) > Media->LastBlock) {
- MotorOff (FdcDev);
- return EFI_INVALID_PARAMETER;
- }
-
- if (Operation == READ) {
- //
- // See if the data that is being read is already in the cache
- //
- if (FdcDev->Cache != NULL) {
- if (Lba == 0 && BufferSize == BlockSize) {
- MotorOff (FdcDev);
- CopyMem ((UINT8 *) Buffer, (UINT8 *) FdcDev->Cache, BlockSize);
- return EFI_SUCCESS;
- }
- }
- }
- //
- // Set up Floppy Disk Controller
- //
- Status = Setup (FdcDev);
- if (EFI_ERROR (Status)) {
- MotorOff (FdcDev);
- return EFI_DEVICE_ERROR;
- }
-
- NumberOfBlocks = BufferSize / BlockSize;
- Lba0 = Lba;
- Pointer = Buffer;
-
- //
- // read blocks in the same cylinder.
- // in a cylinder , there are 18 * 2 = 36 blocks
- //
- BlockCount = GetTransferBlockCount (FdcDev, Lba, NumberOfBlocks);
- while ((BlockCount != 0) && !EFI_ERROR (Status)) {
- Status = ReadWriteDataSector (FdcDev, Buffer, Lba, BlockCount, Operation);
- if (EFI_ERROR (Status)) {
- MotorOff (FdcDev);
- FddReset (FdcDev);
- return EFI_DEVICE_ERROR;
- }
-
- Lba += BlockCount;
- NumberOfBlocks -= BlockCount;
- Buffer = (VOID *) ((UINTN) Buffer + BlockCount * BlockSize);
- BlockCount = GetTransferBlockCount (FdcDev, Lba, NumberOfBlocks);
- }
-
- Buffer = Pointer;
-
- //
- // Turn the motor off
- //
- MotorOff (FdcDev);
-
- if (Operation == READ) {
- //
- // Cache the data read
- //
- if (Lba0 == 0 && FdcDev->Cache == NULL) {
- FdcDev->Cache = AllocateCopyPool (BlockSize, Buffer);
- }
- }
-
- return EFI_SUCCESS;
-
-}
-
-/**
- Free cache for a floppy disk.
-
- @param FdcDev A Pointer to FDC_BLK_IO_DEV instance
-
-**/
-VOID
-FdcFreeCache (
- IN FDC_BLK_IO_DEV *FdcDev
- )
-{
- if (FdcDev->Cache != NULL) {
- FreePool (FdcDev->Cache);
- FdcDev->Cache = NULL;
- }
-}
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