Signed-off-by:erictian Reviewed-by:niruiyu git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11817 6f19259b-4bc3-4df7-8a09-765794883524
		
			
				
	
	
		
			141 lines
		
	
	
		
			4.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			141 lines
		
	
	
		
			4.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /** @file
 | |
|   Defination for the USB mass storage Control/Bulk/Interrupt (CBI) transport,
 | |
|   according to USB Mass Storage Class Control/Bulk/Interrupt (CBI) Transport, Revision 1.1.
 | |
| 
 | |
| Copyright (c) 2007 - 2011, 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.
 | |
| 
 | |
| **/
 | |
| 
 | |
| #ifndef _EFI_USBMASS_CBI_H_
 | |
| #define _EFI_USBMASS_CBI_H_
 | |
| 
 | |
| extern USB_MASS_TRANSPORT mUsbCbi0Transport;
 | |
| extern USB_MASS_TRANSPORT mUsbCbi1Transport;
 | |
| 
 | |
| #define USB_CBI_MAX_PACKET_NUM        16
 | |
| #define USB_CBI_RESET_CMD_LEN         12
 | |
| //
 | |
| // USB CBI retry C/B/I transport times, set by experience
 | |
| //
 | |
| #define USB_CBI_MAX_RETRY             3
 | |
| //
 | |
| // Time to wait for USB CBI reset to complete, set by experience
 | |
| //  
 | |
| #define USB_CBI_RESET_DEVICE_STALL    (50 * USB_MASS_1_MILLISECOND)
 | |
| //
 | |
| // USB CBI transport timeout, set by experience
 | |
| //
 | |
| #define USB_CBI_RESET_DEVICE_TIMEOUT  (1 * USB_MASS_1_SECOND)
 | |
| 
 | |
| typedef struct {
 | |
|   //
 | |
|   // Put Interface at the first field to make it easy to distinguish BOT/CBI Protocol instance
 | |
|   //
 | |
|   EFI_USB_INTERFACE_DESCRIPTOR  Interface;
 | |
|   EFI_USB_ENDPOINT_DESCRIPTOR   *BulkInEndpoint;
 | |
|   EFI_USB_ENDPOINT_DESCRIPTOR   *BulkOutEndpoint;
 | |
|   EFI_USB_ENDPOINT_DESCRIPTOR   *InterruptEndpoint;
 | |
|   EFI_USB_IO_PROTOCOL           *UsbIo;
 | |
| } USB_CBI_PROTOCOL;
 | |
| 
 | |
| #pragma pack(1)
 | |
| typedef struct {
 | |
|   UINT8               Type;
 | |
|   UINT8               Value;
 | |
| } USB_CBI_STATUS;
 | |
| #pragma pack()
 | |
| 
 | |
| /**
 | |
|   Initializes USB CBI protocol.
 | |
| 
 | |
|   This function initializes the USB mass storage class CBI protocol.
 | |
|   It will save its context which is a USB_CBI_PROTOCOL structure
 | |
|   in the Context if Context isn't NULL.
 | |
| 
 | |
|   @param  UsbIo                 The USB I/O Protocol instance
 | |
|   @param  Context               The buffer to save the context to
 | |
| 
 | |
|   @retval EFI_SUCCESS           The device is successfully initialized.
 | |
|   @retval EFI_UNSUPPORTED       The transport protocol doesn't support the device.
 | |
|   @retval Other                 The USB CBI initialization fails.
 | |
| 
 | |
| **/
 | |
| EFI_STATUS
 | |
| UsbCbiInit (
 | |
|   IN  EFI_USB_IO_PROTOCOL   *UsbIo,
 | |
|   OUT VOID                  **Context       OPTIONAL
 | |
|   );
 | |
| 
 | |
| /**
 | |
|   Execute USB mass storage command through the CBI0/CBI1 transport protocol.
 | |
| 
 | |
|   @param  Context               The USB CBI Protocol.
 | |
|   @param  Cmd                   The command to transfer to device
 | |
|   @param  CmdLen                The length of the command
 | |
|   @param  DataDir               The direction of data transfer
 | |
|   @param  Data                  The buffer to hold the data
 | |
|   @param  DataLen               The length of the buffer
 | |
|   @param  Lun                   Should be 0, this field for bot only
 | |
|   @param  Timeout               The time to wait
 | |
|   @param  CmdStatus             The result of the command execution
 | |
| 
 | |
|   @retval EFI_SUCCESS           The command is executed successfully.
 | |
|   @retval Other                 Failed to execute the command
 | |
| 
 | |
| **/
 | |
| EFI_STATUS
 | |
| UsbCbiExecCommand (
 | |
|   IN  VOID                    *Context,
 | |
|   IN  VOID                    *Cmd,
 | |
|   IN  UINT8                   CmdLen,
 | |
|   IN  EFI_USB_DATA_DIRECTION  DataDir,
 | |
|   IN  VOID                    *Data,
 | |
|   IN  UINT32                  DataLen,
 | |
|   IN  UINT8                   Lun,
 | |
|   IN  UINT32                  Timeout,
 | |
|   OUT UINT32                  *CmdStatus
 | |
|   );
 | |
| 
 | |
| /**
 | |
|   Reset the USB mass storage device by CBI protocol.
 | |
| 
 | |
|   This function resets the USB mass storage device by CBI protocol.
 | |
|   The reset is defined as a non-data command. Don't use UsbCbiExecCommand
 | |
|   to send the command to device because that may introduce recursive loop.
 | |
| 
 | |
|   @param  Context               The USB CBI protocol
 | |
|   @param  ExtendedVerification  The flag controlling the rule of reset.
 | |
|                                 Not used here.
 | |
| 
 | |
|   @retval EFI_SUCCESS           The device is reset.
 | |
|   @retval Others                Failed to reset the device.
 | |
| 
 | |
| **/
 | |
| EFI_STATUS
 | |
| UsbCbiResetDevice (
 | |
|   IN  VOID                    *Context,
 | |
|   IN  BOOLEAN                  ExtendedVerification
 | |
|   );
 | |
| 
 | |
| /**
 | |
|   Clean up the CBI protocol's resource.
 | |
| 
 | |
|   @param  Context               The instance of CBI protocol.
 | |
| 
 | |
|   @retval EFI_SUCCESS           The resource is cleaned up.
 | |
| 
 | |
| **/
 | |
| EFI_STATUS
 | |
| UsbCbiCleanUp (
 | |
|   IN  VOID                   *Context
 | |
|   );
 | |
| 
 | |
| #endif
 |