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39840c50c1
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
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Defination for the USB mass storage Control/Bulk/Interrupt (CBI) transport,
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according to USB Mass Storage Class Control/Bulk/Interrupt (CBI) Transport, Revision 1.1.
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Copyright (c) 2007 - 2011, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#ifndef _EFI_USBMASS_CBI_H_
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#define _EFI_USBMASS_CBI_H_
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extern USB_MASS_TRANSPORT mUsbCbi0Transport;
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extern USB_MASS_TRANSPORT mUsbCbi1Transport;
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#define USB_CBI_MAX_PACKET_NUM 16
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#define USB_CBI_RESET_CMD_LEN 12
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//
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// USB CBI retry C/B/I transport times, set by experience
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//
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#define USB_CBI_MAX_RETRY 3
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//
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// Time to wait for USB CBI reset to complete, set by experience
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//
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#define USB_CBI_RESET_DEVICE_STALL (50 * USB_MASS_1_MILLISECOND)
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//
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// USB CBI transport timeout, set by experience
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//
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#define USB_CBI_RESET_DEVICE_TIMEOUT (1 * USB_MASS_1_SECOND)
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typedef struct {
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//
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// Put Interface at the first field to make it easy to distinguish BOT/CBI Protocol instance
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//
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EFI_USB_INTERFACE_DESCRIPTOR Interface;
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EFI_USB_ENDPOINT_DESCRIPTOR *BulkInEndpoint;
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EFI_USB_ENDPOINT_DESCRIPTOR *BulkOutEndpoint;
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EFI_USB_ENDPOINT_DESCRIPTOR *InterruptEndpoint;
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EFI_USB_IO_PROTOCOL *UsbIo;
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} USB_CBI_PROTOCOL;
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#pragma pack(1)
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typedef struct {
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UINT8 Type;
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UINT8 Value;
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} USB_CBI_STATUS;
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#pragma pack()
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/**
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Initializes USB CBI protocol.
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This function initializes the USB mass storage class CBI protocol.
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It will save its context which is a USB_CBI_PROTOCOL structure
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in the Context if Context isn't NULL.
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@param UsbIo The USB I/O Protocol instance
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@param Context The buffer to save the context to
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@retval EFI_SUCCESS The device is successfully initialized.
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@retval EFI_UNSUPPORTED The transport protocol doesn't support the device.
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@retval Other The USB CBI initialization fails.
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**/
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EFI_STATUS
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UsbCbiInit (
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IN EFI_USB_IO_PROTOCOL *UsbIo,
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OUT VOID **Context OPTIONAL
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);
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/**
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Execute USB mass storage command through the CBI0/CBI1 transport protocol.
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@param Context The USB CBI Protocol.
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@param Cmd The command to transfer to device
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@param CmdLen The length of the command
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@param DataDir The direction of data transfer
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@param Data The buffer to hold the data
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@param DataLen The length of the buffer
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@param Lun Should be 0, this field for bot only
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@param Timeout The time to wait
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@param CmdStatus The result of the command execution
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@retval EFI_SUCCESS The command is executed successfully.
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@retval Other Failed to execute the command
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**/
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EFI_STATUS
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UsbCbiExecCommand (
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IN VOID *Context,
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IN VOID *Cmd,
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IN UINT8 CmdLen,
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IN EFI_USB_DATA_DIRECTION DataDir,
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IN VOID *Data,
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IN UINT32 DataLen,
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IN UINT8 Lun,
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IN UINT32 Timeout,
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OUT UINT32 *CmdStatus
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);
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/**
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Reset the USB mass storage device by CBI protocol.
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This function resets the USB mass storage device by CBI protocol.
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The reset is defined as a non-data command. Don't use UsbCbiExecCommand
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to send the command to device because that may introduce recursive loop.
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@param Context The USB CBI protocol
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@param ExtendedVerification The flag controlling the rule of reset.
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Not used here.
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@retval EFI_SUCCESS The device is reset.
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@retval Others Failed to reset the device.
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**/
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EFI_STATUS
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UsbCbiResetDevice (
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IN VOID *Context,
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IN BOOLEAN ExtendedVerification
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);
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/**
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Clean up the CBI protocol's resource.
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@param Context The instance of CBI protocol.
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@retval EFI_SUCCESS The resource is cleaned up.
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**/
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EFI_STATUS
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UsbCbiCleanUp (
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IN VOID *Context
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);
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#endif
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