diff options
Diffstat (limited to 'OvmfPkg/BlockMmioToBlockIoDxe/BlockIo.c')
| -rw-r--r-- | OvmfPkg/BlockMmioToBlockIoDxe/BlockIo.c | 528 |
1 files changed, 0 insertions, 528 deletions
diff --git a/OvmfPkg/BlockMmioToBlockIoDxe/BlockIo.c b/OvmfPkg/BlockMmioToBlockIoDxe/BlockIo.c deleted file mode 100644 index 939792f2ad..0000000000 --- a/OvmfPkg/BlockMmioToBlockIoDxe/BlockIo.c +++ /dev/null @@ -1,528 +0,0 @@ -/** @file
- The driver wrappers BlockMmio protocol instances to produce
- Block I/O Protocol instances.
-
- Copyright (c) 2007 - 2012, 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 "BlockIo.h"
-
-EFI_DRIVER_BINDING_PROTOCOL gBlockIoDriverBinding = {
- BlockIoDriverBindingSupported,
- BlockIoDriverBindingStart,
- BlockIoDriverBindingStop,
- 0x11,
- NULL,
- NULL
-};
-
-/**
- Reset the block device.
-
- This function implements EFI_BLOCK_IO_PROTOCOL.Reset().
- It resets the block device hardware.
- ExtendedVerification is ignored in this implementation.
-
- @param This Indicates a pointer to the calling context.
- @param ExtendedVerification Indicates that the driver may perform a more exhaustive
- verification operation of the device during reset.
-
- @retval EFI_SUCCESS The block device was reset.
- @retval EFI_DEVICE_ERROR The block device is not functioning correctly and could not be reset.
-
-**/
-EFI_STATUS
-EFIAPI
-BlockIoReset (
- IN EFI_BLOCK_IO_PROTOCOL *This,
- IN BOOLEAN ExtendedVerification
- )
-{
- return EFI_SUCCESS;
-}
-
-/**
- Reads the requested number of blocks from the device.
-
- This function implements EFI_BLOCK_IO_PROTOCOL.ReadBlocks().
- It reads the requested number of blocks from the device.
- All the blocks are read, or an error is returned.
-
- @param This Indicates a pointer to the calling context.
- @param ReadData If TRUE then read data. If FALSE then write data.
- @param MediaId The media ID that the read request is for.
- @param Lba The starting logical block address to read from on the device.
- @param BufferSize The size of the Buffer in bytes.
- This must be a multiple of the intrinsic block size of the device.
- @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 attempting to perform the read operation.
- @retval EFI_NO_MEDIA There is no media in the device.
- @retval EFI_MEDIA_CHANGED The MediaId is not for the current media.
- @retval EFI_BAD_BUFFER_SIZE The BufferSize parameter is not a multiple of the intrinsic 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
-ReadOrWriteBlocks (
- IN EFI_BLOCK_IO_PROTOCOL *This,
- IN BOOLEAN ReadData,
- IN UINT32 MediaId,
- IN EFI_LBA Lba,
- IN UINTN BufferSize,
- OUT VOID *Buffer
- )
-{
- EFI_STATUS Status;
- BLOCK_MMIO_TO_BLOCK_IO_DEVICE *Private;
- UINTN TotalBlock;
- EFI_BLOCK_IO_MEDIA *Media;
- UINT64 Address;
- UINTN Count;
- EFI_CPU_IO_PROTOCOL_IO_MEM CpuAccessFunction;
-
- //
- // First, validate the parameters
- //
- if ((Buffer == NULL) || (BufferSize == 0)) {
- return EFI_INVALID_PARAMETER;
- }
-
- //
- // Get private data structure
- //
- Private = PRIVATE_FROM_BLOCK_IO (This);
- Media = Private->BlockMmio->Media;
-
- //
- // BufferSize must be a multiple of the intrinsic block size of the device.
- //
- if (ModU64x32 (BufferSize, Media->BlockSize) != 0) {
- return EFI_BAD_BUFFER_SIZE;
- }
-
- TotalBlock = (UINTN) DivU64x32 (BufferSize, Media->BlockSize);
-
- //
- // Make sure the range to read is valid.
- //
- if (Lba + TotalBlock - 1 > Media->LastBlock) {
- return EFI_INVALID_PARAMETER;
- }
-
- if (!(Media->MediaPresent)) {
- return EFI_NO_MEDIA;
- }
-
- if (MediaId != Media->MediaId) {
- return EFI_MEDIA_CHANGED;
- }
-
- Address = Private->BlockMmio->BaseAddress;
- Address += MultU64x32 (Lba, Media->BlockSize);
-
- Count = BufferSize >> 3;
-
- if (ReadData) {
- CpuAccessFunction = Private->CpuIo->Mem.Read;
- } else {
- CpuAccessFunction = Private->CpuIo->Mem.Write;
- }
-
- Status = (CpuAccessFunction) (
- Private->CpuIo,
- EfiCpuIoWidthUint64,
- Address,
- Count,
- Buffer
- );
-
- return Status;
-}
-
-
-/**
- Reads the requested number of blocks from the device.
-
- This function implements EFI_BLOCK_IO_PROTOCOL.ReadBlocks().
- It reads the requested number of blocks from the device.
- All the blocks are read, or an error is returned.
-
- @param This Indicates a pointer to the calling context.
- @param MediaId The media ID that the read request is for.
- @param Lba The starting logical block address to read from on the device.
- @param BufferSize The size of the Buffer in bytes.
- This must be a multiple of the intrinsic block size of the device.
- @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 attempting to perform the read operation.
- @retval EFI_NO_MEDIA There is no media in the device.
- @retval EFI_MEDIA_CHANGED The MediaId is not for the current media.
- @retval EFI_BAD_BUFFER_SIZE The BufferSize parameter is not a multiple of the intrinsic 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
-BlockIoReadBlocks (
- IN EFI_BLOCK_IO_PROTOCOL *This,
- IN UINT32 MediaId,
- IN EFI_LBA Lba,
- IN UINTN BufferSize,
- OUT VOID *Buffer
- )
-{
- DEBUG ((EFI_D_INFO, "BlockIo (MMIO) ReadBlocks: lba=0x%Lx, size=0x%Lx\n",
- Lba, (UINT64)BufferSize));
- return ReadOrWriteBlocks (
- This,
- TRUE,
- MediaId,
- Lba,
- BufferSize,
- Buffer
- );
-}
-
-
-/**
- Writes a specified number of blocks to the device.
-
- This function implements EFI_BLOCK_IO_PROTOCOL.WriteBlocks().
- It writes a specified number of blocks to the device.
- All blocks are written, or an error is returned.
-
- @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.
- @param BufferSize The size of the Buffer in bytes.
- This must be a multiple of the intrinsic block size of the device.
- @param Buffer Pointer to the source buffer for the data.
-
- @retval EFI_SUCCESS The data were written correctly to the device.
- @retval EFI_WRITE_PROTECTED The device cannot be written to.
- @retval EFI_NO_MEDIA There is no media in the device.
- @retval EFI_MEDIA_CHANGED The MediaId is not for the current media.
- @retval EFI_DEVICE_ERROR The device reported an error while attempting to perform the write operation.
- @retval EFI_BAD_BUFFER_SIZE The BufferSize parameter is not a multiple of the intrinsic
- 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
-BlockIoWriteBlocks (
- IN EFI_BLOCK_IO_PROTOCOL *This,
- IN UINT32 MediaId,
- IN EFI_LBA Lba,
- IN UINTN BufferSize,
- IN VOID *Buffer
- )
-{
- DEBUG ((EFI_D_INFO, "BlockIo (MMIO) WriteBlocks: lba=0x%Lx, size=0x%Lx\n",
- Lba, (UINT64)BufferSize));
- return ReadOrWriteBlocks (
- This,
- FALSE,
- MediaId,
- Lba,
- BufferSize,
- Buffer
- );
-}
-
-/**
- Flushes all modified data to a physical block device.
-
- @param This Indicates a pointer to the calling context.
-
- @retval EFI_SUCCESS All outstanding data were written correctly to the device.
- @retval EFI_DEVICE_ERROR The device reported an error while attempting to write data.
- @retval EFI_NO_MEDIA There is no media in the device.
-
-**/
-EFI_STATUS
-EFIAPI
-BlockIoFlushBlocks (
- IN EFI_BLOCK_IO_PROTOCOL *This
- )
-{
- return EFI_SUCCESS;
-}
-
-
-/**
- Initialize data for device that does not support multiple LUNSs.
-
- @param This The Driver Binding Protocol instance.
- @param Controller The device to initialize.
- @param BlockMmio Pointer to USB_MASS_TRANSPORT.
- @param Context Parameter for USB_MASS_DEVICE.Context.
-
- @retval EFI_SUCCESS Initialization succeeds.
- @retval Other Initialization fails.
-
-**/
-EFI_STATUS
-BlockIoInit (
- IN EFI_DRIVER_BINDING_PROTOCOL *This,
- IN EFI_HANDLE Controller
- )
-{
- EFI_STATUS Status;
- BLOCK_MMIO_TO_BLOCK_IO_DEVICE *Private;
- BLOCK_MMIO_PROTOCOL *BlockMmio;
-
- Private = (BLOCK_MMIO_TO_BLOCK_IO_DEVICE*) AllocateZeroPool (sizeof (*Private));
- ASSERT (Private != NULL);
-
- Status = gBS->LocateProtocol (
- &gEfiCpuIo2ProtocolGuid,
- NULL,
- (VOID **) &(Private->CpuIo)
- );
- ASSERT_EFI_ERROR (Status);
-
- Status = gBS->OpenProtocol (
- Controller,
- &gBlockMmioProtocolGuid,
- (VOID **) &BlockMmio,
- This->DriverBindingHandle,
- Controller,
- EFI_OPEN_PROTOCOL_BY_DRIVER
- );
- if (EFI_ERROR (Status)) {
- DEBUG ((EFI_D_ERROR, "BlockIoInit: OpenBlockMmioProtocol By Driver (%r)\n", Status));
- goto ON_ERROR;
- }
- DEBUG ((EFI_D_INFO, "BlockMmio: %p\n", BlockMmio));
- DEBUG ((EFI_D_INFO, "BlockMmio->Media->LastBlock: 0x%lx\n", BlockMmio->Media->LastBlock));
-
- Private->Signature = BLOCK_MMIO_TO_BLOCK_IO_SIGNATURE;
- Private->Controller = Controller;
- Private->BlockMmio = BlockMmio;
- Private->BlockIo.Media = BlockMmio->Media;
- Private->BlockIo.Reset = BlockIoReset;
- Private->BlockIo.ReadBlocks = BlockIoReadBlocks;
- Private->BlockIo.WriteBlocks = BlockIoWriteBlocks;
- Private->BlockIo.FlushBlocks = BlockIoFlushBlocks;
-
- DEBUG ((EFI_D_INFO, "Private->BlockIo.Media->LastBlock: 0x%lx\n", Private->BlockIo.Media->LastBlock));
-
- Status = gBS->InstallProtocolInterface (
- &Controller,
- &gEfiBlockIoProtocolGuid,
- EFI_NATIVE_INTERFACE,
- &Private->BlockIo
- );
- if (EFI_ERROR (Status)) {
- goto ON_ERROR;
- }
-
- return EFI_SUCCESS;
-
-ON_ERROR:
- if (Private != NULL) {
- FreePool (Private);
- }
- if (BlockMmio != NULL) {
- gBS->CloseProtocol (
- Controller,
- &gBlockMmioProtocolGuid,
- This->DriverBindingHandle,
- Controller
- );
- }
- return Status;
-}
-
-
-/**
- Check whether the controller is a supported USB mass storage.
-
- @param This The USB mass storage driver binding protocol.
- @param Controller The controller handle to check.
- @param RemainingDevicePath The remaining device path.
-
- @retval EFI_SUCCESS The driver supports this controller.
- @retval other This device isn't supported.
-
-**/
-EFI_STATUS
-EFIAPI
-BlockIoDriverBindingSupported (
- IN EFI_DRIVER_BINDING_PROTOCOL *This,
- IN EFI_HANDLE Controller,
- IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
- )
-{
- EFI_STATUS Status;
- BLOCK_MMIO_PROTOCOL *BlockMmio;
-
- Status = gBS->OpenProtocol (
- Controller,
- &gBlockMmioProtocolGuid,
- (VOID **) &BlockMmio,
- This->DriverBindingHandle,
- Controller,
- EFI_OPEN_PROTOCOL_BY_DRIVER
- );
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- gBS->CloseProtocol (
- Controller,
- &gBlockMmioProtocolGuid,
- This->DriverBindingHandle,
- Controller
- );
-
- return Status;
-}
-
-/**
- Starts the USB mass storage device with this driver.
-
- This function consumes USB I/O Portocol, intializes USB mass storage device,
- installs Block I/O Protocol, and submits Asynchronous Interrupt
- Transfer to manage the USB mass storage device.
-
- @param This The USB mass storage driver binding protocol.
- @param Controller The USB mass storage device to start on
- @param RemainingDevicePath The remaining device path.
-
- @retval EFI_SUCCESS This driver supports this device.
- @retval EFI_UNSUPPORTED This driver does not support this device.
- @retval EFI_DEVICE_ERROR This driver cannot be started due to device Error.
- @retval EFI_OUT_OF_RESOURCES Can't allocate memory resources.
- @retval EFI_ALREADY_STARTED This driver has been started.
-
-**/
-EFI_STATUS
-EFIAPI
-BlockIoDriverBindingStart (
- IN EFI_DRIVER_BINDING_PROTOCOL *This,
- IN EFI_HANDLE Controller,
- IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
- )
-{
- EFI_STATUS Status;
-
- Status = BlockIoInit (This, Controller);
- if (EFI_ERROR (Status)) {
- DEBUG ((EFI_D_ERROR, "BlockIoDriverBindingStart: BlockIoInit (%r)\n", Status));
- return Status;
- }
-
- DEBUG ((EFI_D_INIT, "BlockIoDriverBindingStart: Successfully started\n"));
- return Status;
-}
-
-
-/**
- Stop controlling the device.
-
- @param This The USB mass storage driver binding
- @param Controller The device controller controlled by the driver.
- @param NumberOfChildren The number of children of this device
- @param ChildHandleBuffer The buffer of children handle.
-
- @retval EFI_SUCCESS The driver stopped from controlling the device.
- @retval EFI_DEVICE_ERROR The device could not be stopped due to a device error.
- @retval EFI_UNSUPPORTED Block I/O Protocol is not installed on Controller.
- @retval Others Failed to stop the driver
-
-**/
-EFI_STATUS
-EFIAPI
-BlockIoDriverBindingStop (
- IN EFI_DRIVER_BINDING_PROTOCOL *This,
- IN EFI_HANDLE Controller,
- IN UINTN NumberOfChildren,
- IN EFI_HANDLE *ChildHandleBuffer
- )
-{
- EFI_STATUS Status;
- BLOCK_MMIO_TO_BLOCK_IO_DEVICE *Private;
-
- Private = PRIVATE_FROM_BLOCK_IO (This);
-
- //
- // Uninstall Block I/O protocol from the device handle,
- // then call the transport protocol to stop itself.
- //
- Status = gBS->UninstallProtocolInterface (
- Controller,
- &gEfiBlockIoProtocolGuid,
- &Private->BlockIo
- );
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- gBS->CloseProtocol (
- Controller,
- &gBlockMmioProtocolGuid,
- This->DriverBindingHandle,
- Controller
- );
-
- FreePool (Private);
-
- DEBUG ((EFI_D_INFO, "Successfully stopped BlockIo on BlockMmio\n"));
- return EFI_SUCCESS;
-}
-
-/**
- Entrypoint of Block MMIO to Block IO Driver.
-
- This function is the entrypoint of USB Mass Storage Driver. It installs Driver Binding
- Protocol together with Component Name Protocols.
-
- @param ImageHandle The firmware allocated handle for the EFI image.
- @param SystemTable A pointer to the EFI System Table.
-
- @retval EFI_SUCCESS The entry point is executed successfully.
-
-**/
-EFI_STATUS
-EFIAPI
-BlockMmioToBlockIoEntryPoint (
- IN EFI_HANDLE ImageHandle,
- IN EFI_SYSTEM_TABLE *SystemTable
- )
-{
- EFI_STATUS Status;
-
- //
- // Install driver binding protocol
- //
- Status = EfiLibInstallDriverBindingComponentName2 (
- ImageHandle,
- SystemTable,
- &gBlockIoDriverBinding,
- ImageHandle,
- &gBlockMmioToBlockIoComponentName,
- &gBlockMmioToBlockIoComponentName2
- );
- ASSERT_EFI_ERROR (Status);
-
- return EFI_SUCCESS;
-}
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