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[mirror_edk2.git] / MdeModulePkg / Bus / Pci / XhciDxe / Xhci.h

/** @file\r
\r
  Provides some data structure definitions used by the XHCI host controller driver.\r
\r
Copyright (c) 2011 - 2017, Intel Corporation. All rights reserved.<BR>\r
Copyright (c) Microsoft Corporation.<BR>\r
SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#ifndef _EFI_XHCI_H_\r
#define _EFI_XHCI_H_\r
\r
#include <Uefi.h>\r
\r
#include <Protocol/Usb2HostController.h>\r
#include <Protocol/PciIo.h>\r
\r
#include <Guid/EventGroup.h>\r
\r
#include <Library/BaseLib.h>\r
#include <Library/BaseMemoryLib.h>\r
#include <Library/UefiDriverEntryPoint.h>\r
#include <Library/UefiBootServicesTableLib.h>\r
#include <Library/MemoryAllocationLib.h>\r
#include <Library/UefiLib.h>\r
#include <Library/DebugLib.h>\r
#include <Library/ReportStatusCodeLib.h>\r
\r
#include <IndustryStandard/Pci.h>\r
\r
typedef struct _USB_XHCI_INSTANCE  USB_XHCI_INSTANCE;\r
typedef struct _USB_DEV_CONTEXT    USB_DEV_CONTEXT;\r
\r
#include "XhciReg.h"\r
#include "XhciSched.h"\r
#include "ComponentName.h"\r
#include "UsbHcMem.h"\r
\r
//\r
// The unit is microsecond, setting it as 1us.\r
//\r
#define XHC_1_MICROSECOND  (1)\r
//\r
// The unit is microsecond, setting it as 1ms.\r
//\r
#define XHC_1_MILLISECOND  (1000)\r
//\r
// XHC generic timeout experience values.\r
// The unit is millisecond, setting it as 10s.\r
//\r
#define XHC_GENERIC_TIMEOUT  (10 * 1000)\r
//\r
// XHC reset timeout experience values.\r
// The unit is millisecond, setting it as 1s.\r
//\r
#define XHC_RESET_TIMEOUT  (1000)\r
//\r
// TRSTRCY delay requirement in usb 2.0 spec chapter 7.1.7.5.\r
// The unit is microsecond, setting it as 10ms.\r
//\r
#define XHC_RESET_RECOVERY_DELAY  (10 * 1000)\r
//\r
// XHC async transfer timer interval, set by experience.\r
// The unit is 100us, takes 1ms as interval.\r
//\r
#define XHC_ASYNC_TIMER_INTERVAL  EFI_TIMER_PERIOD_MILLISECONDS(1)\r
\r
//\r
// XHC raises TPL to TPL_NOTIFY to serialize all its operations\r
// to protect shared data structures.\r
//\r
#define XHC_TPL  TPL_NOTIFY\r
\r
#define CMD_RING_TRB_NUMBER    0x100\r
#define TR_RING_TRB_NUMBER     0x100\r
#define ERST_NUMBER            0x01\r
#define EVENT_RING_TRB_NUMBER  0x200\r
\r
#define CMD_INTER        0\r
#define CTRL_INTER       1\r
#define BULK_INTER       2\r
#define INT_INTER        3\r
#define INT_INTER_ASYNC  4\r
\r
#define EFI_LIST_CONTAINER(Entry, Type, Field)  BASE_CR(Entry, Type, Field)\r
\r
#define XHC_LOW_32BIT(Addr64)      ((UINT32)(((UINTN)(Addr64)) & 0xFFFFFFFF))\r
#define XHC_HIGH_32BIT(Addr64)     ((UINT32)(RShiftU64((UINT64)(UINTN)(Addr64), 32) & 0xFFFFFFFF))\r
#define XHC_BIT_IS_SET(Data, Bit)  ((BOOLEAN)(((Data) & (Bit)) == (Bit)))\r
\r
#define XHC_REG_BIT_IS_SET(Xhc, Offset, Bit) \\r
          (XHC_BIT_IS_SET(XhcReadOpReg ((Xhc), (Offset)), (Bit)))\r
\r
#define XHCI_IS_DATAIN(EndpointAddr)  XHC_BIT_IS_SET((EndpointAddr), 0x80)\r
\r
#define XHCI_INSTANCE_SIG  SIGNATURE_32 ('x', 'h', 'c', 'i')\r
#define XHC_FROM_THIS(a)  CR(a, USB_XHCI_INSTANCE, Usb2Hc, XHCI_INSTANCE_SIG)\r
\r
#define USB_DESC_TYPE_HUB              0x29\r
#define USB_DESC_TYPE_HUB_SUPER_SPEED  0x2a\r
\r
//\r
// The RequestType in EFI_USB_DEVICE_REQUEST is composed of\r
// three fields: One bit direction, 2 bit type, and 5 bit\r
// target.\r
//\r
#define USB_REQUEST_TYPE(Dir, Type, Target) \\r
          ((UINT8)((((Dir) == EfiUsbDataIn ? 0x01 : 0) << 7) | (Type) | (Target)))\r
\r
//\r
// Xhci Data and Ctrl Structures\r
//\r
#pragma pack(1)\r
typedef struct {\r
  UINT8    ProgInterface;\r
  UINT8    SubClassCode;\r
  UINT8    BaseCode;\r
} USB_CLASSC;\r
\r
typedef struct {\r
  UINT8     Length;\r
  UINT8     DescType;\r
  UINT8     NumPorts;\r
  UINT16    HubCharacter;\r
  UINT8     PwrOn2PwrGood;\r
  UINT8     HubContrCurrent;\r
  UINT8     Filler[16];\r
} EFI_USB_HUB_DESCRIPTOR;\r
#pragma pack()\r
\r
struct _USB_DEV_CONTEXT {\r
  //\r
  // Whether this entry in UsbDevContext array is used or not.\r
  //\r
  BOOLEAN          Enabled;\r
  //\r
  // The slot id assigned to the new device through XHCI's Enable_Slot cmd.\r
  //\r
  UINT8            SlotId;\r
  //\r
  // The route string presented an attached usb device.\r
  //\r
  USB_DEV_ROUTE    RouteString;\r
  //\r
  // The route string of parent device if it exists. Otherwise it's zero.\r
  //\r
  USB_DEV_ROUTE    ParentRouteString;\r
  //\r
  // The actual device address assigned by XHCI through Address_Device command.\r
  //\r
  UINT8            XhciDevAddr;\r
  //\r
  // The requested device address from UsbBus driver through Set_Address standard usb request.\r
  // As XHCI spec replaces this request with Address_Device command, we have to record the\r
  // requested device address and establish a mapping relationship with the actual device address.\r
  // Then UsbBus driver just need to be aware of the requested device address to access usb device\r
  // through EFI_USB2_HC_PROTOCOL. Xhci driver would be responsible for translating it to actual\r
  // device address and access the actual device.\r
  //\r
  UINT8                        BusDevAddr;\r
  //\r
  // The pointer to the input device context.\r
  //\r
  VOID                         *InputContext;\r
  //\r
  // The pointer to the output device context.\r
  //\r
  VOID                         *OutputContext;\r
  //\r
  // The transfer queue for every endpoint.\r
  //\r
  VOID                         *EndpointTransferRing[31];\r
  //\r
  // The device descriptor which is stored to support XHCI's Evaluate_Context cmd.\r
  //\r
  EFI_USB_DEVICE_DESCRIPTOR    DevDesc;\r
  //\r
  // As a usb device may include multiple configuration descriptors, we dynamically allocate an array\r
  // to store them.\r
  // Note that every configuration descriptor stored here includes those lower level descriptors,\r
  // such as Interface descriptor, Endpoint descriptor, and so on.\r
  // These information is used to support XHCI's Config_Endpoint cmd.\r
  //\r
  EFI_USB_CONFIG_DESCRIPTOR    **ConfDesc;\r
  //\r
  // A device has an active Configuration.\r
  //\r
  UINT8                        ActiveConfiguration;\r
  //\r
  // Every interface has an active AlternateSetting.\r
  //\r
  UINT8                        *ActiveAlternateSetting;\r
};\r
\r
struct _USB_XHCI_INSTANCE {\r
  UINT32                      Signature;\r
  EFI_PCI_IO_PROTOCOL         *PciIo;\r
  UINT64                      OriginalPciAttributes;\r
  USBHC_MEM_POOL              *MemPool;\r
\r
  EFI_USB2_HC_PROTOCOL        Usb2Hc;\r
\r
  EFI_DEVICE_PATH_PROTOCOL    *DevicePath;\r
\r
  //\r
  // ExitBootServicesEvent is used to set OS semaphore and\r
  // stop the XHC DMA operation after exit boot service.\r
  //\r
  EFI_EVENT                   ExitBootServiceEvent;\r
  EFI_EVENT                   PollTimer;\r
  LIST_ENTRY                  AsyncIntTransfers;\r
\r
  UINT8                       CapLength;  ///< Capability Register Length\r
  XHC_HCSPARAMS1              HcSParams1; ///< Structural Parameters 1\r
  XHC_HCSPARAMS2              HcSParams2; ///< Structural Parameters 2\r
  XHC_HCCPARAMS               HcCParams;  ///< Capability Parameters\r
  UINT32                      DBOff;      ///< Doorbell Offset\r
  UINT32                      RTSOff;     ///< Runtime Register Space Offset\r
  UINT16                      MaxInterrupt;\r
  UINT32                      PageSize;\r
  UINT64                      *ScratchBuf;\r
  VOID                        *ScratchMap;\r
  UINT32                      MaxScratchpadBufs;\r
  UINT64                      *ScratchEntry;\r
  UINTN                       *ScratchEntryMap;\r
  UINT32                      ExtCapRegBase;\r
  UINT32                      UsbLegSupOffset;\r
  UINT32                      DebugCapSupOffset;\r
  UINT64                      *DCBAA;\r
  VOID                        *DCBAAMap;\r
  UINT32                      MaxSlotsEn;\r
  URB                         *PendingUrb;\r
  //\r
  // Cmd Transfer Ring\r
  //\r
  TRANSFER_RING               CmdRing;\r
  //\r
  // EventRing\r
  //\r
  EVENT_RING                  EventRing;\r
  //\r
  // Misc\r
  //\r
  EFI_UNICODE_STRING_TABLE    *ControllerNameTable;\r
\r
  //\r
  // Store device contexts managed by XHCI instance\r
  // The array supports up to 255 devices, entry 0 is reserved and should not be used.\r
  //\r
  USB_DEV_CONTEXT             UsbDevContext[256];\r
\r
  BOOLEAN                     Support64BitDma; // Whether 64 bit DMA may be used with this device\r
};\r
\r
extern EFI_DRIVER_BINDING_PROTOCOL   gXhciDriverBinding;\r
extern EFI_COMPONENT_NAME_PROTOCOL   gXhciComponentName;\r
extern EFI_COMPONENT_NAME2_PROTOCOL  gXhciComponentName2;\r
\r
/**\r
  Test to see if this driver supports ControllerHandle. Any\r
  ControllerHandle that has Usb2HcProtocol installed will\r
  be supported.\r
\r
  @param  This                 Protocol instance pointer.\r
  @param  Controller           Handle of device to test.\r
  @param  RemainingDevicePath  Not used.\r
\r
  @return EFI_SUCCESS          This driver supports this device.\r
  @return EFI_UNSUPPORTED      This driver does not support this device.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
XhcDriverBindingSupported (\r
  IN EFI_DRIVER_BINDING_PROTOCOL  *This,\r
  IN EFI_HANDLE                   Controller,\r
  IN EFI_DEVICE_PATH_PROTOCOL     *RemainingDevicePath\r
  );\r
\r
/**\r
  Starting the Usb XHCI Driver.\r
\r
  @param  This                 Protocol instance pointer.\r
  @param  Controller           Handle of device to test.\r
  @param  RemainingDevicePath  Not used.\r
\r
  @return EFI_SUCCESS          supports this device.\r
  @return EFI_UNSUPPORTED      do not support this device.\r
  @return EFI_DEVICE_ERROR     cannot be started due to device Error.\r
  @return EFI_OUT_OF_RESOURCES cannot allocate resources.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
XhcDriverBindingStart (\r
  IN EFI_DRIVER_BINDING_PROTOCOL  *This,\r
  IN EFI_HANDLE                   Controller,\r
  IN EFI_DEVICE_PATH_PROTOCOL     *RemainingDevicePath\r
  );\r
\r
/**\r
  Stop this driver on ControllerHandle. Support stopping any child handles\r
  created by this driver.\r
\r
  @param  This                 Protocol instance pointer.\r
  @param  Controller           Handle of device to stop driver on.\r
  @param  NumberOfChildren     Number of Children in the ChildHandleBuffer.\r
  @param  ChildHandleBuffer    List of handles for the children we need to stop.\r
\r
  @return EFI_SUCCESS          Success.\r
  @return EFI_DEVICE_ERROR     Fail.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
XhcDriverBindingStop (\r
  IN EFI_DRIVER_BINDING_PROTOCOL  *This,\r
  IN EFI_HANDLE                   Controller,\r
  IN UINTN                        NumberOfChildren,\r
  IN EFI_HANDLE                   *ChildHandleBuffer\r
  );\r
\r
/**\r
  Retrieves the capability of root hub ports.\r
\r
  @param  This                  The EFI_USB2_HC_PROTOCOL instance.\r
  @param  MaxSpeed              Max speed supported by the controller.\r
  @param  PortNumber            Number of the root hub ports.\r
  @param  Is64BitCapable        Whether the controller supports 64-bit memory\r
                                addressing.\r
\r
  @retval EFI_SUCCESS           Host controller capability were retrieved successfully.\r
  @retval EFI_INVALID_PARAMETER Either of the three capability pointer is NULL.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
XhcGetCapability (\r
  IN  EFI_USB2_HC_PROTOCOL  *This,\r
  OUT UINT8                 *MaxSpeed,\r
  OUT UINT8                 *PortNumber,\r
  OUT UINT8                 *Is64BitCapable\r
  );\r
\r
/**\r
  Provides software reset for the USB host controller.\r
\r
  @param  This                  This EFI_USB2_HC_PROTOCOL instance.\r
  @param  Attributes            A bit mask of the reset operation to perform.\r
\r
  @retval EFI_SUCCESS           The reset operation succeeded.\r
  @retval EFI_INVALID_PARAMETER Attributes is not valid.\r
  @retval EFI_UNSUPPOURTED      The type of reset specified by Attributes is\r
                                not currently supported by the host controller.\r
  @retval EFI_DEVICE_ERROR      Host controller isn't halted to reset.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
XhcReset (\r
  IN EFI_USB2_HC_PROTOCOL  *This,\r
  IN UINT16                Attributes\r
  );\r
\r
/**\r
  Retrieve the current state of the USB host controller.\r
\r
  @param  This                   This EFI_USB2_HC_PROTOCOL instance.\r
  @param  State                  Variable to return the current host controller\r
                                 state.\r
\r
  @retval EFI_SUCCESS            Host controller state was returned in State.\r
  @retval EFI_INVALID_PARAMETER  State is NULL.\r
  @retval EFI_DEVICE_ERROR       An error was encountered while attempting to\r
                                 retrieve the host controller's current state.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
XhcGetState (\r
  IN  EFI_USB2_HC_PROTOCOL  *This,\r
  OUT EFI_USB_HC_STATE      *State\r
  );\r
\r
/**\r
  Sets the USB host controller to a specific state.\r
\r
  @param  This                  This EFI_USB2_HC_PROTOCOL instance.\r
  @param  State                 The state of the host controller that will be set.\r
\r
  @retval EFI_SUCCESS           The USB host controller was successfully placed\r
                                in the state specified by State.\r
  @retval EFI_INVALID_PARAMETER State is invalid.\r
  @retval EFI_DEVICE_ERROR      Failed to set the state due to device error.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
XhcSetState (\r
  IN EFI_USB2_HC_PROTOCOL  *This,\r
  IN EFI_USB_HC_STATE      State\r
  );\r
\r
/**\r
  Retrieves the current status of a USB root hub port.\r
\r
  @param  This                  This EFI_USB2_HC_PROTOCOL instance.\r
  @param  PortNumber            The root hub port to retrieve the state from.\r
                                This value is zero-based.\r
  @param  PortStatus            Variable to receive the port state.\r
\r
  @retval EFI_SUCCESS           The status of the USB root hub port specified.\r
                                by PortNumber was returned in PortStatus.\r
  @retval EFI_INVALID_PARAMETER PortNumber is invalid.\r
  @retval EFI_DEVICE_ERROR      Can't read register.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
XhcGetRootHubPortStatus (\r
  IN  EFI_USB2_HC_PROTOCOL  *This,\r
  IN  UINT8                 PortNumber,\r
  OUT EFI_USB_PORT_STATUS   *PortStatus\r
  );\r
\r
/**\r
  Sets a feature for the specified root hub port.\r
\r
  @param  This                  This EFI_USB2_HC_PROTOCOL instance.\r
  @param  PortNumber            Root hub port to set.\r
  @param  PortFeature           Feature to set.\r
\r
  @retval EFI_SUCCESS           The feature specified by PortFeature was set.\r
  @retval EFI_INVALID_PARAMETER PortNumber is invalid or PortFeature is invalid.\r
  @retval EFI_DEVICE_ERROR      Can't read register.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
XhcSetRootHubPortFeature (\r
  IN EFI_USB2_HC_PROTOCOL  *This,\r
  IN UINT8                 PortNumber,\r
  IN EFI_USB_PORT_FEATURE  PortFeature\r
  );\r
\r
/**\r
  Clears a feature for the specified root hub port.\r
\r
  @param  This                  A pointer to the EFI_USB2_HC_PROTOCOL instance.\r
  @param  PortNumber            Specifies the root hub port whose feature is\r
                                requested to be cleared.\r
  @param  PortFeature           Indicates the feature selector associated with the\r
                                feature clear request.\r
\r
  @retval EFI_SUCCESS           The feature specified by PortFeature was cleared\r
                                for the USB root hub port specified by PortNumber.\r
  @retval EFI_INVALID_PARAMETER PortNumber is invalid or PortFeature is invalid.\r
  @retval EFI_DEVICE_ERROR      Can't read register.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
XhcClearRootHubPortFeature (\r
  IN EFI_USB2_HC_PROTOCOL  *This,\r
  IN UINT8                 PortNumber,\r
  IN EFI_USB_PORT_FEATURE  PortFeature\r
  );\r
\r
/**\r
  Submits control transfer to a target USB device.\r
\r
  @param  This                  This EFI_USB2_HC_PROTOCOL instance.\r
  @param  DeviceAddress         The target device address.\r
  @param  DeviceSpeed           Target device speed.\r
  @param  MaximumPacketLength   Maximum packet size the default control transfer\r
                                endpoint is capable of sending or receiving.\r
  @param  Request               USB device request to send.\r
  @param  TransferDirection     Specifies the data direction for the data stage\r
  @param  Data                  Data buffer to be transmitted or received from USB\r
                                device.\r
  @param  DataLength            The size (in bytes) of the data buffer.\r
  @param  Timeout               Indicates the maximum timeout, in millisecond.\r
  @param  Translator            Transaction translator to be used by this device.\r
  @param  TransferResult        Return the result of this control transfer.\r
\r
  @retval EFI_SUCCESS           Transfer was completed successfully.\r
  @retval EFI_OUT_OF_RESOURCES  The transfer failed due to lack of resources.\r
  @retval EFI_INVALID_PARAMETER Some parameters are invalid.\r
  @retval EFI_TIMEOUT           Transfer failed due to timeout.\r
  @retval EFI_DEVICE_ERROR      Transfer failed due to host controller or device error.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
XhcControlTransfer (\r
  IN     EFI_USB2_HC_PROTOCOL                *This,\r
  IN     UINT8                               DeviceAddress,\r
  IN     UINT8                               DeviceSpeed,\r
  IN     UINTN                               MaximumPacketLength,\r
  IN     EFI_USB_DEVICE_REQUEST              *Request,\r
  IN     EFI_USB_DATA_DIRECTION              TransferDirection,\r
  IN OUT VOID                                *Data,\r
  IN OUT UINTN                               *DataLength,\r
  IN     UINTN                               Timeout,\r
  IN     EFI_USB2_HC_TRANSACTION_TRANSLATOR  *Translator,\r
  OUT    UINT32                              *TransferResult\r
  );\r
\r
/**\r
  Submits bulk transfer to a bulk endpoint of a USB device.\r
\r
  @param  This                  This EFI_USB2_HC_PROTOCOL instance.\r
  @param  DeviceAddress         Target device address.\r
  @param  EndPointAddress       Endpoint number and its direction in bit 7.\r
  @param  DeviceSpeed           Device speed, Low speed device doesn't support bulk\r
                                transfer.\r
  @param  MaximumPacketLength   Maximum packet size the endpoint is capable of\r
                                sending or receiving.\r
  @param  DataBuffersNumber     Number of data buffers prepared for the transfer.\r
  @param  Data                  Array of pointers to the buffers of data to transmit\r
                                from or receive into.\r
  @param  DataLength            The lenght of the data buffer.\r
  @param  DataToggle            On input, the initial data toggle for the transfer;\r
                                On output, it is updated to to next data toggle to\r
                                use of the subsequent bulk transfer.\r
  @param  Timeout               Indicates the maximum time, in millisecond, which\r
                                the transfer is allowed to complete.\r
  @param  Translator            A pointr to the transaction translator data.\r
  @param  TransferResult        A pointer to the detailed result information of the\r
                                bulk transfer.\r
\r
  @retval EFI_SUCCESS           The transfer was completed successfully.\r
  @retval EFI_OUT_OF_RESOURCES  The transfer failed due to lack of resource.\r
  @retval EFI_INVALID_PARAMETER Some parameters are invalid.\r
  @retval EFI_TIMEOUT           The transfer failed due to timeout.\r
  @retval EFI_DEVICE_ERROR      The transfer failed due to host controller error.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
XhcBulkTransfer (\r
  IN     EFI_USB2_HC_PROTOCOL                *This,\r
  IN     UINT8                               DeviceAddress,\r
  IN     UINT8                               EndPointAddress,\r
  IN     UINT8                               DeviceSpeed,\r
  IN     UINTN                               MaximumPacketLength,\r
  IN     UINT8                               DataBuffersNumber,\r
  IN OUT VOID                                *Data[EFI_USB_MAX_BULK_BUFFER_NUM],\r
  IN OUT UINTN                               *DataLength,\r
  IN OUT UINT8                               *DataToggle,\r
  IN     UINTN                               Timeout,\r
  IN     EFI_USB2_HC_TRANSACTION_TRANSLATOR  *Translator,\r
  OUT    UINT32                              *TransferResult\r
  );\r
\r
/**\r
  Submits an asynchronous interrupt transfer to an\r
  interrupt endpoint of a USB device.\r
\r
  @param  This                  This EFI_USB2_HC_PROTOCOL instance.\r
  @param  DeviceAddress         Target device address.\r
  @param  EndPointAddress       Endpoint number and its direction encoded in bit 7\r
  @param  DeviceSpeed           Indicates device speed.\r
  @param  MaximumPacketLength   Maximum packet size the target endpoint is capable\r
  @param  IsNewTransfer         If TRUE, to submit an new asynchronous interrupt\r
                                transfer If FALSE, to remove the specified\r
                                asynchronous interrupt.\r
  @param  DataToggle            On input, the initial data toggle to use; on output,\r
                                it is updated to indicate the next data toggle.\r
  @param  PollingInterval       The he interval, in milliseconds, that the transfer\r
                                is polled.\r
  @param  DataLength            The length of data to receive at the rate specified\r
                                by  PollingInterval.\r
  @param  Translator            Transaction translator to use.\r
  @param  CallBackFunction      Function to call at the rate specified by\r
                                PollingInterval.\r
  @param  Context               Context to CallBackFunction.\r
\r
  @retval EFI_SUCCESS           The request has been successfully submitted or canceled.\r
  @retval EFI_INVALID_PARAMETER Some parameters are invalid.\r
  @retval EFI_OUT_OF_RESOURCES  The request failed due to a lack of resources.\r
  @retval EFI_DEVICE_ERROR      The transfer failed due to host controller error.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
XhcAsyncInterruptTransfer (\r
  IN     EFI_USB2_HC_PROTOCOL                *This,\r
  IN     UINT8                               DeviceAddress,\r
  IN     UINT8                               EndPointAddress,\r
  IN     UINT8                               DeviceSpeed,\r
  IN     UINTN                               MaximumPacketLength,\r
  IN     BOOLEAN                             IsNewTransfer,\r
  IN OUT UINT8                               *DataToggle,\r
  IN     UINTN                               PollingInterval,\r
  IN     UINTN                               DataLength,\r
  IN     EFI_USB2_HC_TRANSACTION_TRANSLATOR  *Translator,\r
  IN     EFI_ASYNC_USB_TRANSFER_CALLBACK     CallBackFunction,\r
  IN     VOID                                *Context OPTIONAL\r
  );\r
\r
/**\r
  Submits synchronous interrupt transfer to an interrupt endpoint\r
  of a USB device.\r
\r
  @param  This                  This EFI_USB2_HC_PROTOCOL instance.\r
  @param  DeviceAddress         Target device address.\r
  @param  EndPointAddress       Endpoint number and its direction encoded in bit 7\r
  @param  DeviceSpeed           Indicates device speed.\r
  @param  MaximumPacketLength   Maximum packet size the target endpoint is capable\r
                                of sending or receiving.\r
  @param  Data                  Buffer of data that will be transmitted to  USB\r
                                device or received from USB device.\r
  @param  DataLength            On input, the size, in bytes, of the data buffer; On\r
                                output, the number of bytes transferred.\r
  @param  DataToggle            On input, the initial data toggle to use; on output,\r
                                it is updated to indicate the next data toggle.\r
  @param  Timeout               Maximum time, in second, to complete.\r
  @param  Translator            Transaction translator to use.\r
  @param  TransferResult        Variable to receive the transfer result.\r
\r
  @return EFI_SUCCESS           The transfer was completed successfully.\r
  @return EFI_OUT_OF_RESOURCES  The transfer failed due to lack of resource.\r
  @return EFI_INVALID_PARAMETER Some parameters are invalid.\r
  @return EFI_TIMEOUT           The transfer failed due to timeout.\r
  @return EFI_DEVICE_ERROR      The failed due to host controller or device error\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
XhcSyncInterruptTransfer (\r
  IN     EFI_USB2_HC_PROTOCOL                *This,\r
  IN     UINT8                               DeviceAddress,\r
  IN     UINT8                               EndPointAddress,\r
  IN     UINT8                               DeviceSpeed,\r
  IN     UINTN                               MaximumPacketLength,\r
  IN OUT VOID                                *Data,\r
  IN OUT UINTN                               *DataLength,\r
  IN OUT UINT8                               *DataToggle,\r
  IN     UINTN                               Timeout,\r
  IN     EFI_USB2_HC_TRANSACTION_TRANSLATOR  *Translator,\r
  OUT    UINT32                              *TransferResult\r
  );\r
\r
/**\r
  Submits isochronous transfer to a target USB device.\r
\r
  @param  This                 This EFI_USB2_HC_PROTOCOL instance.\r
  @param  DeviceAddress        Target device address.\r
  @param  EndPointAddress      End point address with its direction.\r
  @param  DeviceSpeed          Device speed, Low speed device doesn't support this\r
                               type.\r
  @param  MaximumPacketLength  Maximum packet size that the endpoint is capable of\r
                               sending or receiving.\r
  @param  DataBuffersNumber    Number of data buffers prepared for the transfer.\r
  @param  Data                 Array of pointers to the buffers of data that will\r
                               be transmitted to USB device or received from USB\r
                               device.\r
  @param  DataLength           The size, in bytes, of the data buffer.\r
  @param  Translator           Transaction translator to use.\r
  @param  TransferResult       Variable to receive the transfer result.\r
\r
  @return EFI_UNSUPPORTED      Isochronous transfer is unsupported.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
XhcIsochronousTransfer (\r
  IN     EFI_USB2_HC_PROTOCOL                *This,\r
  IN     UINT8                               DeviceAddress,\r
  IN     UINT8                               EndPointAddress,\r
  IN     UINT8                               DeviceSpeed,\r
  IN     UINTN                               MaximumPacketLength,\r
  IN     UINT8                               DataBuffersNumber,\r
  IN OUT VOID                                *Data[EFI_USB_MAX_ISO_BUFFER_NUM],\r
  IN     UINTN                               DataLength,\r
  IN     EFI_USB2_HC_TRANSACTION_TRANSLATOR  *Translator,\r
  OUT    UINT32                              *TransferResult\r
  );\r
\r
/**\r
  Submits Async isochronous transfer to a target USB device.\r
\r
  @param  This                 This EFI_USB2_HC_PROTOCOL instance.\r
  @param  DeviceAddress        Target device address.\r
  @param  EndPointAddress      End point address with its direction.\r
  @param  DeviceSpeed          Device speed, Low speed device doesn't support this\r
                               type.\r
  @param  MaximumPacketLength  Maximum packet size that the endpoint is capable of\r
                               sending or receiving.\r
  @param  DataBuffersNumber    Number of data buffers prepared for the transfer.\r
  @param  Data                 Array of pointers to the buffers of data that will\r
                               be transmitted to USB device or received from USB\r
                               device.\r
  @param  DataLength           The size, in bytes, of the data buffer.\r
  @param  Translator           Transaction translator to use.\r
  @param  IsochronousCallBack  Function to be called when the transfer complete.\r
  @param  Context              Context passed to the call back function as\r
                               parameter.\r
\r
  @return EFI_UNSUPPORTED      Isochronous transfer isn't supported.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
XhcAsyncIsochronousTransfer (\r
  IN     EFI_USB2_HC_PROTOCOL                *This,\r
  IN     UINT8                               DeviceAddress,\r
  IN     UINT8                               EndPointAddress,\r
  IN     UINT8                               DeviceSpeed,\r
  IN     UINTN                               MaximumPacketLength,\r
  IN     UINT8                               DataBuffersNumber,\r
  IN OUT VOID                                *Data[EFI_USB_MAX_ISO_BUFFER_NUM],\r
  IN     UINTN                               DataLength,\r
  IN     EFI_USB2_HC_TRANSACTION_TRANSLATOR  *Translator,\r
  IN     EFI_ASYNC_USB_TRANSFER_CALLBACK     IsochronousCallBack,\r
  IN     VOID                                *Context\r
  );\r
\r
#endif\r