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audk/EdkModulePkg/Bus/Usb/UsbBot/Dxe/bot.c

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/*++
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:
BOT.c
Abstract:
--*/
#include "bot.h"
//
// Function prototypes
//
EFI_STATUS
EFIAPI
UsbBotDriverEntryPoint (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
);
//
// Bot Driver Binding Protocol
//
EFI_STATUS
EFIAPI
BotDriverBindingSupported (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
);
EFI_STATUS
EFIAPI
BotDriverBindingStart (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
);
EFI_STATUS
EFIAPI
BotDriverBindingStop (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN UINTN NumberOfChildren,
IN EFI_HANDLE *ChildHandleBuffer
);
EFI_DRIVER_BINDING_PROTOCOL gUsbBotDriverBinding = {
BotDriverBindingSupported,
BotDriverBindingStart,
BotDriverBindingStop,
0x10,
NULL,
NULL
};
//
// Bot Protocol
//
STATIC
EFI_STATUS
BotCommandPhase (
IN USB_BOT_DEVICE *UsbBotDev,
IN VOID *Command,
IN UINT8 CommandSize,
IN UINT32 DataTransferLength,
IN EFI_USB_DATA_DIRECTION Direction,
IN UINT16 Timeout
);
STATIC
EFI_STATUS
BotDataPhase (
IN USB_BOT_DEVICE *UsbBotDev,
IN UINT32 *DataSize,
IN OUT VOID *DataBuffer,
IN EFI_USB_DATA_DIRECTION Direction,
IN UINT16 Timeout
);
STATIC
EFI_STATUS
BotStatusPhase (
IN USB_BOT_DEVICE *UsbBotDev,
OUT UINT8 *TransferStatus,
IN UINT16 Timeout
);
//
// USB Atapi protocol prototype
//
STATIC
EFI_STATUS
EFIAPI
BotAtapiCommand (
IN EFI_USB_ATAPI_PROTOCOL *This,
IN VOID *Command,
IN UINT8 CommandSize,
IN VOID *DataBuffer,
IN UINT32 BufferLength,
IN EFI_USB_DATA_DIRECTION Direction,
IN UINT16 TimeOutInMilliSeconds
);
STATIC
EFI_STATUS
EFIAPI
BotMassStorageReset (
IN EFI_USB_ATAPI_PROTOCOL *This,
IN BOOLEAN ExtendedVerification
);
VOID
BotReportStatusCode (
IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,
IN EFI_STATUS_CODE_TYPE CodeType,
IN EFI_STATUS_CODE_VALUE Value
);
STATIC EFI_USB_ATAPI_PROTOCOL BotAtapiProtocol = {
BotAtapiCommand,
BotMassStorageReset,
0
};
EFI_STATUS
EFIAPI
BotDriverBindingSupported (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
)
/*++
Routine Description:
Test to see if this driver supports ControllerHandle. Any ControllerHandle
than contains a BlockIo and DiskIo protocol can be supported.
Arguments:
This - Protocol instance pointer.
ControllerHandle - Handle of device to test
RemainingDevicePath - Not used
Returns:
EFI_SUCCESS - This driver supports this device
EFI_ALREADY_STARTED - This driver is already running on this device
other - This driver does not support this device
--*/
{
EFI_STATUS Status;
EFI_USB_IO_PROTOCOL *UsbIo;
EFI_USB_INTERFACE_DESCRIPTOR InterfaceDescriptor;
//
// Check if the Controller supports USB IO protocol
//
Status = gBS->OpenProtocol (
ControllerHandle,
&gEfiUsbIoProtocolGuid,
(VOID **) &UsbIo,
This->DriverBindingHandle,
ControllerHandle,
EFI_OPEN_PROTOCOL_BY_DRIVER
);
if (EFI_ERROR (Status)) {
return Status;
}
//
// Get the Default interface descriptor, now we only
// suppose interface 1
//
Status = UsbIo->UsbGetInterfaceDescriptor (
UsbIo,
&InterfaceDescriptor
);
if (EFI_ERROR (Status)) {
goto Exit;
}
//
// Check if it is a BOT type Mass Storage Device
//
if ((InterfaceDescriptor.InterfaceClass != 0x08) ||
(InterfaceDescriptor.InterfaceProtocol != BOT)) {
Status = EFI_UNSUPPORTED;
goto Exit;
}
Exit:
gBS->CloseProtocol (
ControllerHandle,
&gEfiUsbIoProtocolGuid,
This->DriverBindingHandle,
ControllerHandle
);
return Status;
}
EFI_STATUS
EFIAPI
BotDriverBindingStart (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
)
/*++
Routine Description:
Start this driver on ControllerHandle by opening a Block IO and Disk IO
protocol, reading Device Path, and creating a child handle with a
Disk IO and device path protocol.
Arguments:
This - Protocol instance pointer.
ControllerHandle - Handle of device to bind driver to
RemainingDevicePath - Not used
Returns:
EFI_SUCCESS - This driver is added to DeviceHandle
EFI_ALREADY_STARTED - This driver is already running on DeviceHandle
EFI_OUT_OF_RESOURCES- Can't allocate the memory resource
other - This driver does not support this device
--*/
{
USB_BOT_DEVICE *UsbBotDev;
UINT8 Index;
EFI_USB_ENDPOINT_DESCRIPTOR *EndpointDescriptor;
EFI_USB_INTERFACE_DESCRIPTOR *InterfaceDescriptor;
EFI_STATUS Status;
EFI_USB_IO_PROTOCOL *UsbIo;
//
// Check if the Controller supports USB IO protocol
//
UsbBotDev = NULL;
Status = gBS->OpenProtocol (
ControllerHandle,
&gEfiUsbIoProtocolGuid,
(VOID **) &UsbIo,
This->DriverBindingHandle,
ControllerHandle,
EFI_OPEN_PROTOCOL_BY_DRIVER
);
if (EFI_ERROR (Status)) {
return Status;
}
InterfaceDescriptor = AllocateZeroPool (sizeof (EFI_USB_INTERFACE_DESCRIPTOR));
if (InterfaceDescriptor == NULL) {
gBS->CloseProtocol (
ControllerHandle,
&gEfiUsbIoProtocolGuid,
This->DriverBindingHandle,
ControllerHandle
);
return EFI_OUT_OF_RESOURCES;
}
//
// Get the controller interface descriptor,
//
Status = UsbIo->UsbGetInterfaceDescriptor (
UsbIo,
InterfaceDescriptor
);
if (EFI_ERROR (Status)) {
gBS->FreePool (InterfaceDescriptor);
goto ErrorExit;
}
BotAtapiProtocol.CommandProtocol = InterfaceDescriptor->InterfaceSubClass;
UsbBotDev = AllocateZeroPool (sizeof (USB_BOT_DEVICE));
if (UsbBotDev == NULL) {
Status = EFI_OUT_OF_RESOURCES;
gBS->FreePool (InterfaceDescriptor);
goto ErrorExit;
}
UsbBotDev->Signature = USB_BOT_DEVICE_SIGNATURE;
UsbBotDev->UsbIo = UsbIo;
UsbBotDev->InterfaceDescriptor = InterfaceDescriptor;
CopyMem (&UsbBotDev->UsbAtapiProtocol, &BotAtapiProtocol, sizeof (BotAtapiProtocol));
//
// Get the Device Path Protocol on Controller's handle
//
Status = gBS->OpenProtocol (
ControllerHandle,
&gEfiDevicePathProtocolGuid,
(VOID **) &UsbBotDev->DevicePath,
This->DriverBindingHandle,
ControllerHandle,
EFI_OPEN_PROTOCOL_GET_PROTOCOL
);
if (EFI_ERROR (Status)) {
goto ErrorExit;
}
for (Index = 0; Index < InterfaceDescriptor->NumEndpoints; Index++) {
EndpointDescriptor = AllocatePool (sizeof (EFI_USB_INTERFACE_DESCRIPTOR));
if (EndpointDescriptor == NULL) {
Status = EFI_OUT_OF_RESOURCES;
goto ErrorExit;
}
UsbIo->UsbGetEndpointDescriptor (
UsbIo,
Index,
EndpointDescriptor
);
//
// We parse bulk endpoint
//
if ((EndpointDescriptor->Attributes & 0x03) == 0x02) {
if ((EndpointDescriptor->EndpointAddress & 0x80) != 0) {
UsbBotDev->BulkInEndpointDescriptor = EndpointDescriptor;
} else {
UsbBotDev->BulkOutEndpointDescriptor = EndpointDescriptor;
}
continue;
}
gBS->FreePool (EndpointDescriptor);
}
//
// Double check we have these endpoint descriptors
//
if (!(UsbBotDev->BulkInEndpointDescriptor &&
UsbBotDev->BulkOutEndpointDescriptor)) {
Status = EFI_DEVICE_ERROR;
goto ErrorExit;
}
//
// After installing Usb-Atapi protocol onto this handle
// it will be called by upper layer drivers such as Fat
//
BotReportStatusCode (
UsbBotDev->DevicePath,
EFI_PROGRESS_CODE,
(EFI_PERIPHERAL_REMOVABLE_MEDIA | EFI_P_PC_ENABLE)
);
//
// Install Usb-Atapi Protocol onto the handle
//
Status = gBS->InstallProtocolInterface (
&ControllerHandle,
&gEfiUsbAtapiProtocolGuid,
EFI_NATIVE_INTERFACE,
&UsbBotDev->UsbAtapiProtocol
);
if (EFI_ERROR (Status)) {
goto ErrorExit;
}
UsbBotDev->ControllerNameTable = NULL;
AddUnicodeString (
"eng",
gUsbBotComponentName.SupportedLanguages,
&UsbBotDev->ControllerNameTable,
(CHAR16 *) L"Usb Bot Mass Storage"
);
return EFI_SUCCESS;
ErrorExit:
gBS->CloseProtocol (
ControllerHandle,
&gEfiUsbIoProtocolGuid,
This->DriverBindingHandle,
ControllerHandle
);
if (UsbBotDev != NULL) {
if (UsbBotDev->InterfaceDescriptor != NULL) {
gBS->FreePool (UsbBotDev->InterfaceDescriptor);
}
if (UsbBotDev->BulkInEndpointDescriptor != NULL) {
gBS->FreePool (UsbBotDev->BulkInEndpointDescriptor);
}
if (UsbBotDev->BulkOutEndpointDescriptor != NULL) {
gBS->FreePool (UsbBotDev->BulkOutEndpointDescriptor);
}
gBS->FreePool (UsbBotDev);
}
return Status;
}
EFI_STATUS
EFIAPI
BotDriverBindingStop (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN UINTN NumberOfChildren,
IN EFI_HANDLE *ChildHandleBuffer
)
/*++
Routine Description:
Stop this driver on ControllerHandle. Support stoping any child handles
created by this driver.
Arguments:
This - Protocol instance pointer.
ControllerHandle - Handle of device to stop driver on
NumberOfChildren - Number of Children in the ChildHandleBuffer
ChildHandleBuffer - List of handles for the children we need to stop.
Returns:
EFI_SUCCESS - This driver is removed DeviceHandle
EFI_UNSUPPORTED - Can't open the gEfiUsbAtapiProtocolGuid protocl
other - This driver was not removed from this device
--*/
{
EFI_STATUS Status;
EFI_USB_ATAPI_PROTOCOL *BotAtapiProtocol;
USB_BOT_DEVICE *UsbBotDev;
EFI_USB_IO_PROTOCOL *UsbIo;
//
// Get our context back.
//
Status = gBS->OpenProtocol (
ControllerHandle,
&gEfiUsbAtapiProtocolGuid,
(VOID **) &BotAtapiProtocol,
This->DriverBindingHandle,
ControllerHandle,
EFI_OPEN_PROTOCOL_GET_PROTOCOL
);
if (EFI_ERROR (Status)) {
return EFI_UNSUPPORTED;
}
UsbBotDev = USB_BOT_DEVICE_FROM_THIS (BotAtapiProtocol);
//
// After installing Usb-Atapi protocol onto this handle
// it will be called by upper layer drivers such as Fat
//
UsbIo = UsbBotDev->UsbIo;
BotReportStatusCode (
UsbBotDev->DevicePath,
EFI_PROGRESS_CODE,
(EFI_PERIPHERAL_REMOVABLE_MEDIA | EFI_P_PC_DISABLE)
);
//
// Uninstall protocol
//
Status = gBS->UninstallProtocolInterface (
ControllerHandle,
&gEfiUsbAtapiProtocolGuid,
&UsbBotDev->UsbAtapiProtocol
);
if (EFI_ERROR (Status)) {
return Status;
}
Status = gBS->CloseProtocol (
ControllerHandle,
&gEfiUsbIoProtocolGuid,
This->DriverBindingHandle,
ControllerHandle
);
//
// Free all allocated resources
//
if (UsbBotDev->InterfaceDescriptor != NULL) {
gBS->FreePool (UsbBotDev->InterfaceDescriptor);
}
if (UsbBotDev->BulkInEndpointDescriptor != NULL) {
gBS->FreePool (UsbBotDev->BulkInEndpointDescriptor);
}
if (UsbBotDev->BulkOutEndpointDescriptor != NULL) {
gBS->FreePool (UsbBotDev->BulkOutEndpointDescriptor);
}
if (UsbBotDev->ControllerNameTable) {
FreeUnicodeStringTable (UsbBotDev->ControllerNameTable);
}
gBS->FreePool (UsbBotDev);
return Status;
}
STATIC
EFI_STATUS
BotRecoveryReset (
IN USB_BOT_DEVICE *UsbBotDev
)
/*++
Routine Description:
Bot reset routine
Arguments:
UsbBotDev - USB_BOT_DEVICE pointer
Returns:
EFI_SUCCESS - Success the operation
--*/
{
EFI_STATUS Status;
UINT32 Result;
EFI_USB_DEVICE_REQUEST Request;
EFI_USB_IO_PROTOCOL *UsbIo;
UINT8 EndpointAddr;
UsbIo = UsbBotDev->UsbIo;
BotReportStatusCode (
UsbBotDev->DevicePath,
EFI_PROGRESS_CODE,
(EFI_PERIPHERAL_REMOVABLE_MEDIA | EFI_P_PC_RESET)
);
ZeroMem (&Request, sizeof (EFI_USB_DEVICE_REQUEST));
//
// See BOT specification
//
Request.RequestType = 0x21;
Request.Request = 0xFF;
Status = UsbIo->UsbControlTransfer (
UsbIo,
&Request,
EfiUsbNoData,
TIMEOUT_VALUE,
NULL,
0,
&Result
);
gBS->Stall (100 * 1000);
if (!EFI_ERROR (Status)) {
//
// clear bulk in endpoint stall feature
//
EndpointAddr = UsbBotDev->BulkInEndpointDescriptor->EndpointAddress;
Status = UsbClearEndpointHalt (
UsbIo,
EndpointAddr,
&Result
);
//
// clear bulk out endpoint stall feature
//
EndpointAddr = UsbBotDev->BulkOutEndpointDescriptor->EndpointAddress;
Status = UsbClearEndpointHalt (
UsbIo,
EndpointAddr,
&Result
);
}
return Status;
}
//
// Bot Protocol Implementation
//
STATIC
EFI_STATUS
BotCommandPhase (
IN USB_BOT_DEVICE *UsbBotDev,
IN VOID *Command,
IN UINT8 CommandSize,
IN UINT32 DataTransferLength,
IN EFI_USB_DATA_DIRECTION Direction,
IN UINT16 Timeout
)
/*++
Routine Description:
Send ATAPI command through BOT interface.
Parameters:
UsbBotDev - USB_BOT_DEVICE
Command - command packet
CommandSize - Command size
DataTransferLength - Data Transfer Length
Direction - Data IN/OUT/NODATA
Timeout - Time out value in milliseconds
Return Values:
EFI_SUCCESS
Others
--*/
{
CBW cbw;
EFI_STATUS Status;
UINT32 Result;
EFI_USB_IO_PROTOCOL *UsbIo;
UINTN DataSize;
UsbIo = UsbBotDev->UsbIo;
ZeroMem (&cbw, sizeof (CBW));
//
// Fill the command block, detailed see BOT spec
//
cbw.dCBWSignature = CBWSIG;
cbw.dCBWTag = 0x01;
cbw.dCBWDataTransferLength = DataTransferLength;
cbw.bmCBWFlags = (UINT8) (Direction << 7);
cbw.bCBWCBLength = CommandSize;
CopyMem (cbw.CBWCB, Command, CommandSize);
DataSize = sizeof (CBW);
Status = UsbIo->UsbBulkTransfer (
UsbIo,
(UsbBotDev->BulkOutEndpointDescriptor)->EndpointAddress,
&cbw,
&DataSize,
Timeout,
&Result
);
if (EFI_ERROR (Status)) {
//
// Command phase fail, we need to recovery reset this device
//
BotRecoveryReset (UsbBotDev);
return EFI_DEVICE_ERROR;
}
return EFI_SUCCESS;
}
STATIC
EFI_STATUS
BotDataPhase (
IN USB_BOT_DEVICE *UsbBotDev,
IN UINT32 *DataSize,
IN OUT VOID *DataBuffer,
IN EFI_USB_DATA_DIRECTION Direction,
IN UINT16 Timeout
)
/*++
Routine Description:
Get/Send Data through BOT interface
Parameters:
UsbBotDev - USB_BOT_DEVICE pointer
DataSize - Data size
DataBuffer - Data buffer pointer
Direction - IN/OUT/NODATA
Timeout - Time out value in milliseconds
Return Value:
EFI_SUCCESS
Others
--*/
{
EFI_STATUS Status;
UINT32 Result;
EFI_USB_IO_PROTOCOL *UsbIo;
UINT8 EndpointAddr;
UINTN Remain;
UINTN Increment;
UINT32 MaxPacketLen;
UINT8 *BufferPtr;
UINTN TransferredSize;
UINTN RetryTimes;
UINTN MaxRetry;
UINTN BlockSize;
UINTN PackageNum;
UsbIo = UsbBotDev->UsbIo;
Remain = *DataSize;
BufferPtr = (UINT8 *) DataBuffer;
TransferredSize = 0;
MaxRetry = 10;
PackageNum = 15;
//
// retrieve the the max packet length of the given endpoint
//
if (Direction == EfiUsbDataIn) {
MaxPacketLen = (UsbBotDev->BulkInEndpointDescriptor)->MaxPacketSize;
EndpointAddr = (UsbBotDev->BulkInEndpointDescriptor)->EndpointAddress;
} else {
MaxPacketLen = (UsbBotDev->BulkOutEndpointDescriptor)->MaxPacketSize;
EndpointAddr = (UsbBotDev->BulkOutEndpointDescriptor)->EndpointAddress;
}
RetryTimes = MaxRetry;
BlockSize = PackageNum * MaxPacketLen;
while (Remain > 0) {
//
// Using 15 packets to aVOID Bitstuff error
//
if (Remain > PackageNum * MaxPacketLen) {
Increment = BlockSize;
} else {
Increment = Remain;
}
Status = UsbIo->UsbBulkTransfer (
UsbIo,
EndpointAddr,
BufferPtr,
&Increment,
Timeout,
&Result
);
TransferredSize += Increment;
if (EFI_ERROR (Status)) {
RetryTimes--;
if ((RetryTimes == 0) || ((Result & EFI_USB_ERR_TIMEOUT) == 0)) {
goto ErrorExit;
}
TransferredSize -= Increment;
continue;
} else {
//
// we try MaxTetry times for every bulk transfer
//
RetryTimes = MaxRetry;
}
BufferPtr += Increment;
Remain -= Increment;
if (Increment < BlockSize && TransferredSize <= *DataSize) {
//
// we get to the end of transter and transter size is
// less than requriedsize
//
break;
}
}
*DataSize = (UINT32) TransferredSize;
return EFI_SUCCESS;
ErrorExit:
if (Direction == EfiUsbDataIn) {
BotReportStatusCode (
UsbBotDev->DevicePath,
EFI_ERROR_CODE | EFI_ERROR_MINOR,
(EFI_PERIPHERAL_REMOVABLE_MEDIA | EFI_P_EC_INPUT_ERROR)
);
} else {
BotReportStatusCode (
UsbBotDev->DevicePath,
EFI_ERROR_CODE | EFI_ERROR_MINOR,
(EFI_PERIPHERAL_REMOVABLE_MEDIA | EFI_P_EC_OUTPUT_ERROR)
);
}
if ((Result & EFI_USB_ERR_STALL) == EFI_USB_ERR_STALL) {
//
// just endpoint stall happens
//
UsbClearEndpointHalt (
UsbIo,
EndpointAddr,
&Result
);
}
*DataSize = (UINT32) TransferredSize;
return Status;
}
STATIC
EFI_STATUS
BotStatusPhase (
IN USB_BOT_DEVICE *UsbBotDev,
OUT UINT8 *TransferStatus,
IN UINT16 Timeout
)
/*++
Routine Description:
Get transfer status through BOT interface
Parameters:
UsbBotDev - USB_BOT_DEVICE pointer
TransferStatus - TransferStatus
Timeout - Time out value in milliseconds
Return Value:
EFI_SUCCESS
Others
--*/
{
CSW csw;
EFI_STATUS Status;
UINT32 Result;
EFI_USB_IO_PROTOCOL *UsbIo;
UINT8 EndpointAddr;
UINTN DataSize;
UsbIo = UsbBotDev->UsbIo;
ZeroMem (&csw, sizeof (CSW));
EndpointAddr = (UsbBotDev->BulkInEndpointDescriptor)->EndpointAddress;
DataSize = sizeof (CSW);
//
// Get the status field from bulk transfer
//
Status = UsbIo->UsbBulkTransfer (
UsbIo,
EndpointAddr,
&csw,
&DataSize,
Timeout,
&Result
);
if (EFI_ERROR (Status)) {
if ((Result & EFI_USB_ERR_STALL) == EFI_USB_ERR_STALL) {
//
// just endpoint stall happens
//
UsbClearEndpointHalt (
UsbIo,
EndpointAddr,
&Result
);
}
ZeroMem (&csw, sizeof (CSW));
EndpointAddr = (UsbBotDev->BulkInEndpointDescriptor)->EndpointAddress;
DataSize = sizeof (CSW);
Status = UsbIo->UsbBulkTransfer (
UsbIo,
EndpointAddr,
&csw,
&DataSize,
Timeout,
&Result
);
if (EFI_ERROR (Status)) {
if ((Result & EFI_USB_ERR_STALL) == EFI_USB_ERR_STALL) {
UsbClearEndpointHalt (
UsbIo,
EndpointAddr,
&Result
);
}
return Status;
}
}
if (csw.dCSWSignature == CSWSIG) {
*TransferStatus = csw.bCSWStatus;
} else {
return EFI_DEVICE_ERROR;
}
return EFI_SUCCESS;
}
//
// Usb Atapi Protocol implementation
//
EFI_STATUS
EFIAPI
BotAtapiCommand (
IN EFI_USB_ATAPI_PROTOCOL *This,
IN VOID *Command,
IN UINT8 CommandSize,
IN VOID *DataBuffer,
IN UINT32 BufferLength,
IN EFI_USB_DATA_DIRECTION Direction,
IN UINT16 TimeOutInMilliSeconds
)
/*++
Routine Description:
Send ATAPI command using BOT protocol.
Arguments:
This - Protocol instance pointer.
Command - Command buffer
CommandSize - Size of Command Buffer
DataBuffer - Data buffer
BufferLength - Length of Data buffer
Direction - Data direction of this command
TimeoutInMilliSeconds - Timeout value in ms
Returns:
EFI_SUCCESS - Command succeeded.
EFI_DEVICE_ERROR - Command failed.
--*/
{
EFI_STATUS Status;
EFI_STATUS BotDataStatus;
UINT8 TransferStatus;
USB_BOT_DEVICE *UsbBotDev;
UINT32 BufferSize;
BotDataStatus = EFI_SUCCESS;
TransferStatus = 0;
//
// Get the context
//
UsbBotDev = USB_BOT_DEVICE_FROM_THIS (This);
//
// First send ATAPI command through Bot
//
Status = BotCommandPhase (
UsbBotDev,
Command,
CommandSize,
BufferLength,
Direction,
TimeOutInMilliSeconds
);
if (EFI_ERROR (Status)) {
return EFI_DEVICE_ERROR;
}
//
// Send/Get Data if there is a Data Stage
//
switch (Direction) {
case EfiUsbDataIn:
case EfiUsbDataOut:
BufferSize = BufferLength;
BotDataStatus = BotDataPhase (
UsbBotDev,
&BufferSize,
DataBuffer,
Direction,
(UINT16) (TimeOutInMilliSeconds)
);
break;
case EfiUsbNoData:
break;
}
//
// Status Phase
//
Status = BotStatusPhase (
UsbBotDev,
&TransferStatus,
TimeOutInMilliSeconds
);
if (EFI_ERROR (Status)) {
return EFI_DEVICE_ERROR;
}
if (TransferStatus == 0x02) {
//
// Phase error
//
BotRecoveryReset (UsbBotDev);
return EFI_DEVICE_ERROR;
}
if (TransferStatus == 0x01) {
return EFI_DEVICE_ERROR;
}
return BotDataStatus;
}
EFI_STATUS
EFIAPI
BotMassStorageReset (
IN EFI_USB_ATAPI_PROTOCOL *This,
IN BOOLEAN ExtendedVerification
)
/*++
Routine Description:
Reset Bot Devices
Arguments:
This - Protocol instance pointer.
ExtendedVerification - TRUE if we need to do strictly reset.
Returns:
EFI_SUCCESS - Command succeeded.
EFI_DEVICE_ERROR - Command failed.
--*/
{
EFI_STATUS Status;
USB_BOT_DEVICE *UsbBotDev;
EFI_USB_IO_PROTOCOL *UsbIo;
UsbBotDev = USB_BOT_DEVICE_FROM_THIS (This);
UsbIo = UsbBotDev->UsbIo;
if (ExtendedVerification) {
//
// If we need to do strictly reset, reset its parent hub port
//
Status = UsbIo->UsbPortReset (UsbIo);
if (EFI_ERROR (Status)) {
return Status;
}
}
Status = BotRecoveryReset (UsbBotDev);
return Status;
}
VOID
BotReportStatusCode (
IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,
IN EFI_STATUS_CODE_TYPE CodeType,
IN EFI_STATUS_CODE_VALUE Value
)
/*++
Routine Description:
Report Status Code in Usb Bot Driver
Arguments:
DevicePath - Use this to get Device Path
CodeType - Status Code Type
CodeValue - Status Code Value
Returns:
None
--*/
{
REPORT_STATUS_CODE_WITH_DEVICE_PATH (
CodeType,
Value,
DevicePath
);
}
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