git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@3 6f19259b-4bc3-4df7-8a09-765794883524
		
			
				
	
	
		
			1089 lines
		
	
	
		
			27 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			1089 lines
		
	
	
		
			27 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*++
 | |
| 
 | |
| 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
 | |
|     );
 | |
| }
 |