diff options
Diffstat (limited to 'MdeModulePkg/Bus/Pci/XhciPei/XhciSched.h')
| -rw-r--r-- | MdeModulePkg/Bus/Pci/XhciPei/XhciSched.h | 81 |
1 files changed, 80 insertions, 1 deletions
diff --git a/MdeModulePkg/Bus/Pci/XhciPei/XhciSched.h b/MdeModulePkg/Bus/Pci/XhciPei/XhciSched.h index 19672d046a..b3d4c45614 100644 --- a/MdeModulePkg/Bus/Pci/XhciPei/XhciSched.h +++ b/MdeModulePkg/Bus/Pci/XhciPei/XhciSched.h @@ -1,7 +1,7 @@ /** @file
Private Header file for Usb Host Controller PEIM
-Copyright (c) 2014, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2014 - 2015, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions
@@ -939,6 +939,66 @@ XhcPeiSetConfigCmd64 ( );
/**
+ Stop endpoint through XHCI's Stop_Endpoint cmd.
+
+ @param Xhc The XHCI device.
+ @param SlotId The slot id of the target device.
+ @param Dci The device context index of the target slot or endpoint.
+
+ @retval EFI_SUCCESS Stop endpoint successfully.
+ @retval Others Failed to stop endpoint.
+
+**/
+EFI_STATUS
+EFIAPI
+XhcPeiStopEndpoint (
+ IN PEI_XHC_DEV *Xhc,
+ IN UINT8 SlotId,
+ IN UINT8 Dci
+ );
+
+/**
+ Reset endpoint through XHCI's Reset_Endpoint cmd.
+
+ @param Xhc The XHCI device.
+ @param SlotId The slot id of the target device.
+ @param Dci The device context index of the target slot or endpoint.
+
+ @retval EFI_SUCCESS Reset endpoint successfully.
+ @retval Others Failed to reset endpoint.
+
+**/
+EFI_STATUS
+EFIAPI
+XhcPeiResetEndpoint (
+ IN PEI_XHC_DEV *Xhc,
+ IN UINT8 SlotId,
+ IN UINT8 Dci
+ );
+
+/**
+ Set transfer ring dequeue pointer through XHCI's Set_Tr_Dequeue_Pointer cmd.
+
+ @param Xhc The XHCI device.
+ @param SlotId The slot id of the target device.
+ @param Dci The device context index of the target slot or endpoint.
+ @param Urb The dequeue pointer of the transfer ring specified
+ by the urb to be updated.
+
+ @retval EFI_SUCCESS Set transfer ring dequeue pointer succeeds.
+ @retval Others Failed to set transfer ring dequeue pointer.
+
+**/
+EFI_STATUS
+EFIAPI
+XhcPeiSetTrDequeuePointer (
+ IN PEI_XHC_DEV *Xhc,
+ IN UINT8 SlotId,
+ IN UINT8 Dci,
+ IN URB *Urb
+ );
+
+/**
Assign and initialize the device slot for a new device.
@param Xhc The XHCI device.
@@ -1067,6 +1127,25 @@ XhcPeiRecoverHaltedEndpoint ( );
/**
+ System software shall use a Stop Endpoint Command (section 4.6.9) and the Set TR Dequeue Pointer
+ Command (section 4.6.10) to remove the timed-out TDs from the xHC transfer ring. The next write to
+ the Doorbell of the Endpoint will transition the Endpoint Context from the Stopped to the Running
+ state.
+
+ @param Xhc The XHCI device.
+ @param Urb The urb which doesn't get completed in a specified timeout range.
+
+ @retval EFI_SUCCESS The dequeuing of the TDs is successful.
+ @retval Others Failed to stop the endpoint and dequeue the TDs.
+
+**/
+EFI_STATUS
+XhcPeiDequeueTrbFromEndpoint (
+ IN PEI_XHC_DEV *Xhc,
+ IN URB *Urb
+ );
+
+/**
Create a new URB for a new transaction.
@param Xhc The XHCI device
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