4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync This file contains the definition for XHCI host controller schedule routines.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncCopyright (c) 2011 - 2012, Intel Corporation. All rights reserved.<BR>
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncThis program and the accompanying materials
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncare licensed and made available under the terms and conditions of the BSD License
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncwhich accompanies this distribution. The full text of the license may be found at
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncTHE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncWITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define XHC_URB_SIG SIGNATURE_32 ('U', 'S', 'B', 'R')
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync// Transfer types, used in URB to identify the transfer type
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync// 6.4.6 TRB Types
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync// Endpoint Type (EP Type).
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync// 6.4.5 TRB Completion Codes
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync// The topology string used to present usb device location
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // The tier concatenation of down stream port.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // The root port number of the chain.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // The Tier the device reside.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync// USB Device's RouteChart
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync// Endpoint address and its capabilities
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Store logical device address assigned by UsbBus
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // It's because some XHCI host controllers may assign the same physcial device
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // address for those devices inserted at different root port.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync// TRB Template
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync// URB (Usb Request Block) contains information for all kinds of
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync// usb requests.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Usb Device URB related information
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Execute result
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // completed data length
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync// 6.5 Event Ring Segment Table
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync// The Event Ring Segment Table is used to define multi-segment Event Rings and to enable runtime
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync// expansion and shrinking of the Event Ring. The location of the Event Ring Segment Table is defined by the
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync// Event Ring Segment Table Base Address Register (5.5.2.3.2). The size of the Event Ring Segment Table
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync// is defined by the Event Ring Segment Table Base Size Register (5.5.2.3.1).
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync// 6.4.1.1 Normal TRB
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync// A Normal TRB is used in several ways; exclusively on Bulk and Interrupt Transfer Rings for normal and
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync// Scatter/Gather operations, to define additional data buffers for Scatter/Gather operations on Isoch Transfer
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync// Rings, and to define the Data stage information for Control Transfer Rings.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync// 6.4.1.2.1 Setup Stage TRB
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync// A Setup Stage TRB is created by system software to initiate a USB Setup packet on a control endpoint.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync// 6.4.1.2.2 Data Stage TRB
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync// A Data Stage TRB is used generate the Data stage transaction of a USB Control transfer.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync// 6.4.1.2.2 Data Stage TRB
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync// A Data Stage TRB is used generate the Data stage transaction of a USB Control transfer.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync// 6.4.2.1 Transfer Event TRB
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync// A Transfer Event provides the completion status associated with a Transfer TRB. Refer to section 4.11.3.1
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync// for more information on the use and operation of Transfer Events.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync// 6.4.2.2 Command Completion Event TRB
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync// A Command Completion Event TRB shall be generated by the xHC when a command completes on the
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync// Command Ring. Refer to section 4.11.4 for more information on the use of Command Completion Events.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync// 6.4.3.1 No Op Command TRB
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync// The No Op Command TRB provides a simple means for verifying the operation of the Command Ring
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync// mechanisms offered by the xHCI.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync// 6.4.3.2 Enable Slot Command TRB
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync// The Enable Slot Command TRB causes the xHC to select an available Device Slot and return the ID of the
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync// selected slot to the host in a Command Completion Event.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync// 6.4.3.3 Disable Slot Command TRB
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync// The Disable Slot Command TRB releases any bandwidth assigned to the disabled slot and frees any
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync// internal xHC resources assigned to the slot.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync// 6.4.3.4 Address Device Command TRB
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync// The Address Device Command TRB transitions the selected Device Context from the Default to the
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync// Addressed state and causes the xHC to select an address for the USB device in the Default State and
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync// issue a SET_ADDRESS request to the USB device.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync// 6.4.3.5 Configure Endpoint Command TRB
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync// The Configure Endpoint Command TRB evaluates the bandwidth and resource requirements of the
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync// endpoints selected by the command.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync// 6.4.3.6 Evaluate Context Command TRB
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync// The Evaluate Context Command TRB is used by system software to inform the xHC that the selected
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync// Context data structures in the Device Context have been modified by system software and that the xHC
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync// shall evaluate any changes
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync// 6.4.3.7 Reset Endpoint Command TRB
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync// The Reset Endpoint Command TRB is used by system software to reset a specified Transfer Ring
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync// 6.4.3.8 Stop Endpoint Command TRB
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync// The Stop Endpoint Command TRB command allows software to stop the xHC execution of the TDs on a
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync// Transfer Ring and temporarily take ownership of TDs that had previously been passed to the xHC.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync// 6.4.3.9 Set TR Dequeue Pointer Command TRB
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync// The Set TR Dequeue Pointer Command TRB is used by system software to modify the TR Dequeue
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync// Pointer and DCS fields of an Endpoint or Stream Context.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync// 6.4.4.1 Link TRB
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync// A Link TRB provides support for non-contiguous TRB Rings.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync// 6.2.2 Slot Context
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync// 6.2.3 Endpoint Context
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync// 6.2.5.1 Input Control Context
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync// 6.2.1 Device Context
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync// 6.2.5 Input Context
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Initialize the XHCI host controller for schedule.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param Xhc The XHCI Instance to be initialized.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Free the resouce allocated at initializing schedule.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param Xhc The XHCI Instance.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Ring the door bell to notify XHCI there is a transaction to be executed through URB.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param Xhc The XHCI Instance.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param Urb The URB to be rung.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval EFI_SUCCESS Successfully ring the door bell.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Execute the transfer by polling the URB. This is a synchronous operation.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param Xhc The XHCI Instance.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param CmdTransfer The executed URB is for cmd transfer or not.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param Urb The URB to execute.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param Timeout The time to wait before abort, in millisecond.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @return EFI_DEVICE_ERROR The transfer failed due to transfer error.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @return EFI_TIMEOUT The transfer failed due to time out.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @return EFI_SUCCESS The transfer finished OK.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Delete a single asynchronous interrupt transfer for
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync the device and endpoint.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param Xhc The XHCI Instance.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param BusAddr The logical device address assigned by UsbBus driver.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param EpNum The endpoint of the target.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval EFI_SUCCESS An asynchronous transfer is removed.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval EFI_NOT_FOUND No transfer for the device is found.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Remove all the asynchronous interrupt transfers.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param Xhc The XHCI Instance.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Set Bios Ownership
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param Xhc The XHCI Instance.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Clear Bios Ownership
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param Xhc The XHCI Instance.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Find out the slot id according to the device's route string.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param Xhc The XHCI Instance.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param RouteString The route string described the device location.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @return The slot id used by the device.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Calculate the device context index by endpoint address and direction.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param EpAddr The target endpoint number.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param Direction The direction of the target endpoint.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @return The device context index of endpoint.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Ring the door bell to notify XHCI there is a transaction to be executed.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param Xhc The XHCI Instance.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param SlotId The slot id of the target device.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param Dci The device context index of the target slot or endpoint.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval EFI_SUCCESS Successfully ring the door bell.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Interrupt transfer periodic check handler.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param Event Interrupt event.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param Context Pointer to USB_XHCI_INSTANCE.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Monitor the port status change. Enable/Disable device slot if there is a device attached/detached.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param Xhc The XHCI Instance.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param ParentRouteChart The route string pointed to the parent device if it exists.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param Port The port to be polled.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param PortState The port state.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval EFI_SUCCESS Successfully enable/disable device slot according to port state.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval Others Should not appear.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Evaluate the slot context for hub device through XHCI's Configure_Endpoint cmd.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param Xhc The XHCI Instance.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param SlotId The slot id to be configured.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param PortNum The total number of downstream port supported by the hub.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param TTT The TT think time of the hub device.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param MTT The multi-TT of the hub device.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval EFI_SUCCESS Successfully configure the hub device's slot context.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Evaluate the slot context for hub device through XHCI's Configure_Endpoint cmd.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param Xhc The XHCI Instance.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param SlotId The slot id to be configured.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param PortNum The total number of downstream port supported by the hub.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param TTT The TT think time of the hub device.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param MTT The multi-TT of the hub device.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval EFI_SUCCESS Successfully configure the hub device's slot context.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Configure all the device endpoints through XHCI's Configure_Endpoint cmd.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param Xhc The XHCI Instance.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param SlotId The slot id to be configured.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param DeviceSpeed The device's speed.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param ConfigDesc The pointer to the usb device configuration descriptor.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval EFI_SUCCESS Successfully configure all the device endpoints.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Configure all the device endpoints through XHCI's Configure_Endpoint cmd.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param Xhc The XHCI Instance.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param SlotId The slot id to be configured.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param DeviceSpeed The device's speed.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param ConfigDesc The pointer to the usb device configuration descriptor.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval EFI_SUCCESS Successfully configure all the device endpoints.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Find out the actual device address according to the requested device address from UsbBus.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param Xhc The XHCI Instance.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param BusDevAddr The requested device address by UsbBus upper driver.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @return The actual device address assigned to the device.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Assign and initialize the device slot for a new device.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param Xhc The XHCI Instance.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param ParentRouteChart The route string pointed to the parent device.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param ParentPort The port at which the device is located.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param RouteChart The route string pointed to the device.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param DeviceSpeed The device speed.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval EFI_SUCCESS Successfully assign a slot to the device and assign an address to it.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Assign and initialize the device slot for a new device.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param Xhc The XHCI Instance.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param ParentRouteChart The route string pointed to the parent device.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param ParentPort The port at which the device is located.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param RouteChart The route string pointed to the device.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param DeviceSpeed The device speed.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval EFI_SUCCESS Successfully assign a slot to the device and assign an address to it.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Evaluate the endpoint 0 context through XHCI's Evaluate_Context cmd.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param Xhc The XHCI Instance.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param SlotId The slot id to be evaluated.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param MaxPacketSize The max packet size supported by the device control transfer.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval EFI_SUCCESS Successfully evaluate the device endpoint 0.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Evaluate the endpoint 0 context through XHCI's Evaluate_Context cmd.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param Xhc The XHCI Instance.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param SlotId The slot id to be evaluated.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param MaxPacketSize The max packet size supported by the device control transfer.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval EFI_SUCCESS Successfully evaluate the device endpoint 0.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Disable the specified device slot.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param Xhc The XHCI Instance.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param SlotId The slot id to be disabled.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval EFI_SUCCESS Successfully disable the device slot.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Disable the specified device slot.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param Xhc The XHCI Instance.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param SlotId The slot id to be disabled.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval EFI_SUCCESS Successfully disable the device slot.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Synchronize the specified transfer ring to update the enqueue and dequeue pointer.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param Xhc The XHCI Instance.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param TrsRing The transfer ring to sync.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval EFI_SUCCESS The transfer ring is synchronized successfully.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Synchronize the specified event ring to update the enqueue and dequeue pointer.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param Xhc The XHCI Instance.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param EvtRing The event ring to sync.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval EFI_SUCCESS The event ring is synchronized successfully.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Check if there is a new generated event.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param Xhc The XHCI Instance.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param EvtRing The event ring to check.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param NewEvtTrb The new event TRB found.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval EFI_SUCCESS Found a new event TRB at the event ring.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval EFI_NOT_READY The event ring has no new event.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Create XHCI transfer ring.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param Xhc The XHCI Instance.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param TrbNum The number of TRB in the ring.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param TransferRing The created transfer ring.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Create XHCI event ring.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param Xhc The XHCI Instance.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param EventRing The created event ring.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync System software shall use a Reset Endpoint Command (section 4.11.4.7) to remove the Halted
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync condition in the xHC. After the successful completion of the Reset Endpoint Command, the Endpoint
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Context is transitioned from the Halted to the Stopped state and the Transfer Ring of the endpoint is
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync reenabled. The next write to the Doorbell of the Endpoint will transition the Endpoint Context from the
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Stopped to the Running state.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param Xhc The XHCI Instance.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param Urb The urb which makes the endpoint halted.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval EFI_SUCCESS The recovery is successful.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval Others Failed to recovery halted endpoint.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Create a new URB for a new transaction.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param Xhc The XHCI Instance
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param DevAddr The device address
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param EpAddr Endpoint addrress
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param DevSpeed The device speed
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param MaxPacket The max packet length of the endpoint
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param Type The transaction type
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param Request The standard USB request for control transfer
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param Data The user data to transfer
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param DataLen The length of data buffer
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param Callback The function to call when data is transferred
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param Context The context to the callback
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @return Created URB or NULL
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Create a transfer TRB.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param Xhc The XHCI Instance
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param Urb The urb used to construct the transfer TRB.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @return Created TRB or NULL