mirror of https://github.com/acidanthera/audk.git
205 lines
7.2 KiB
C
205 lines
7.2 KiB
C
/** @file
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Definition of USB Mass Storage Class and its value, USB Mass Transport Protocol,
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and other common definitions.
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Copyright (c) 2007 - 2008, Intel Corporation
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All rights reserved. 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_H_
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#define _EFI_USBMASS_H_
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#include <Uefi.h>
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#include <Protocol/BlockIo.h>
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#include <Protocol/UsbIo.h>
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#include <Protocol/DevicePath.h>
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#include <Library/DebugLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/UefiDriverEntryPoint.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include <Library/UefiLib.h>
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#include <Library/MemoryAllocationLib.h>
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#include <Library/DevicePathLib.h>
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#define USB_IS_IN_ENDPOINT(EndPointAddr) (((EndPointAddr) & BIT7) == BIT7)
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#define USB_IS_OUT_ENDPOINT(EndPointAddr) (((EndPointAddr) & BIT7) == 0)
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#define USB_IS_BULK_ENDPOINT(Attribute) (((Attribute) & (BIT0 | BIT1)) == USB_ENDPOINT_BULK)
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#define USB_IS_INTERRUPT_ENDPOINT(Attribute) (((Attribute) & (BIT0 | BIT1)) == USB_ENDPOINT_INTERRUPT)
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#define USB_IS_ERROR(Result, Error) (((Result) & (Error)) != 0)
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typedef enum {
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//
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// Usb mass storage class code
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//
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USB_MASS_STORE_CLASS = 0x08,
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//
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// Usb mass storage subclass code, specify the command set used.
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//
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USB_MASS_STORE_RBC = 0x01, ///< Reduced Block Commands
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USB_MASS_STORE_8020I = 0x02, ///< SFF-8020i, typically a CD/DVD device
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USB_MASS_STORE_QIC = 0x03, ///< Typically a tape device
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USB_MASS_STORE_UFI = 0x04, ///< Typically a floppy disk driver device
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USB_MASS_STORE_8070I = 0x05, ///< SFF-8070i, typically a floppy disk driver device.
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USB_MASS_STORE_SCSI = 0x06, ///< SCSI transparent command set
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//
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// Usb mass storage protocol code, specify the transport protocol
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//
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USB_MASS_STORE_CBI0 = 0x00, ///< CBI protocol with command completion interrupt
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USB_MASS_STORE_CBI1 = 0x01, ///< CBI protocol without command completion interrupt
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USB_MASS_STORE_BOT = 0x50, ///< Bulk-Only Transport
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USB_MASS_1_MILLISECOND = 1000,
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USB_MASS_1_SECOND = 1000 * USB_MASS_1_MILLISECOND,
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USB_MASS_CMD_SUCCESS = 0,
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USB_MASS_CMD_FAIL,
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USB_MASS_CMD_PERSISTENT
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} USB_MASS_DEV_CLASS_AND_VALUE;
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/**
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Initializes USB transport protocol.
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This function initializes the USB mass storage class transport protocol.
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It will save its context 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 transport initialization fails.
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**/
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typedef
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EFI_STATUS
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(*USB_MASS_INIT_TRANSPORT) (
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IN EFI_USB_IO_PROTOCOL *Usb,
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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 transport protocol.
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@param Context The USB Transport 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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typedef
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EFI_STATUS
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(*USB_MASS_EXEC_COMMAND) (
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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 Transport protocol.
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@param Context The USB Transport 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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typedef
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EFI_STATUS
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(*USB_MASS_RESET) (
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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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Get the max LUN (Logical Unit Number) of USB mass storage device.
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@param Context The context of the transport protocol.
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@param MaxLun Return pointer to the max number of LUN. (e.g. MaxLun=1 means LUN0 and
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LUN1 in all.)
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@retval EFI_SUCCESS Max LUN is got successfully.
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@retval Others Fail to execute this request.
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**/
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typedef
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EFI_STATUS
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(*USB_MASS_GET_MAX_LUN) (
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IN VOID *Context,
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IN UINT8 *MaxLun
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);
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/**
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Clean up the transport protocol's resource.
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@param Context The instance of transport protocol.
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@retval EFI_SUCCESS The resource is cleaned up.
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**/
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typedef
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EFI_STATUS
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(*USB_MASS_CLEAN_UP) (
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IN VOID *Context
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);
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///
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/// This structure contains information necessary to select the
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/// proper transport protocol. The mass storage class defines
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/// two transport protocols. One is the CBI, and the other is BOT.
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/// CBI is being obseleted. The design is made modular by this
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/// structure so that the CBI protocol can be easily removed when
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/// it is no longer necessary.
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///
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typedef struct {
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UINT8 Protocol;
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USB_MASS_INIT_TRANSPORT Init; ///< Initialize the mass storage transport protocol
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USB_MASS_EXEC_COMMAND ExecCommand; ///< Transport command to the device then get result
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USB_MASS_RESET Reset; ///< Reset the device
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USB_MASS_GET_MAX_LUN GetMaxLun; ///< Get max lun, only for bot
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USB_MASS_CLEAN_UP CleanUp; ///< Clean up the resources.
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} USB_MASS_TRANSPORT;
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typedef struct {
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UINT32 Signature;
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EFI_HANDLE Controller;
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EFI_USB_IO_PROTOCOL *UsbIo;
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EFI_DEVICE_PATH_PROTOCOL *DevicePath;
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EFI_BLOCK_IO_PROTOCOL BlockIo;
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EFI_BLOCK_IO_MEDIA BlockIoMedia;
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BOOLEAN OpticalStorage;
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UINT8 Lun; ///< Logical Unit Number
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UINT8 Pdt; ///< Peripheral Device Type
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USB_MASS_TRANSPORT *Transport; ///< USB mass storage transport protocol
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VOID *Context;
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} USB_MASS_DEVICE;
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#endif
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