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MdeModulePkg/XhciDxe: Separate common logic to XhcTransfer 

The patch separates the common logic in XhcControlTransfer,
XhcBulkTransfer and XhcSyncIntTransfer to a sub-routine
XhcTransfer. It doesn't have functionality impact.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com>
Reviewed-by: Hao Wu <hao.a.wu@intel.com>
Cc: Star Zeng <star.zeng@intel.com>
Cc: Feng Tian <feng.tian@intel.com>
This commit is contained in:
Ruiyu Ni 2017-06-28 17:11:34 +08:00
parent 396ae94d46
commit 41fb8ce939
1 changed files with 132 additions and 166 deletions
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244
MdeModulePkg/Bus/Pci/XhciDxe/Xhci.c
View File

@ -1,7 +1,7 @@
/** @file /** @file
The XHCI controller driver. The XHCI controller driver.
Copyright (c) 2011 - 2016, Intel Corporation. All rights reserved.<BR> Copyright (c) 2011 - 2017, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at which accompanies this distribution. The full text of the license may be found at
@ -716,6 +716,97 @@ ON_EXIT:
return Status; return Status;
} }
/**
Submits a new transaction to a target USB device.
@param Xhc The XHCI Instance.
@param DeviceAddress The target device address.
@param EndPointAddress Endpoint number and its direction encoded in bit 7
@param DeviceSpeed Target device speed.
@param MaximumPacketLength Maximum packet size the default control transfer
endpoint is capable of sending or receiving.
@param Type The transaction type.
@param Request USB device request to send.
@param Data Data buffer to be transmitted or received from USB
device.
@param DataLength The size (in bytes) of the data buffer.
@param Timeout Indicates the maximum timeout, in millisecond.
@param TransferResult Return the result of this control transfer.
@retval EFI_SUCCESS Transfer was completed successfully.
@retval EFI_OUT_OF_RESOURCES The transfer failed due to lack of resources.
@retval EFI_INVALID_PARAMETER Some parameters are invalid.
@retval EFI_TIMEOUT Transfer failed due to timeout.
@retval EFI_DEVICE_ERROR Transfer failed due to host controller or device error.
**/
EFI_STATUS
XhcTransfer (
IN USB_XHCI_INSTANCE *Xhc,
IN UINT8 DeviceAddress,
IN UINT8 EndPointAddress,
IN UINT8 DeviceSpeed,
IN UINTN MaximumPacketLength,
IN UINTN Type,
IN EFI_USB_DEVICE_REQUEST *Request,
IN OUT VOID *Data,
IN OUT UINTN *DataLength,
IN UINTN Timeout,
OUT UINT32 *TransferResult
)
{
EFI_STATUS Status;
EFI_STATUS RecoveryStatus;
URB *Urb;
ASSERT ((Type == XHC_CTRL_TRANSFER) || (Type == XHC_BULK_TRANSFER) || (Type == XHC_INT_TRANSFER_SYNC));
Urb = XhcCreateUrb (
Xhc,
DeviceAddress,
EndPointAddress,
DeviceSpeed,
MaximumPacketLength,
Type,
Request,
Data,
*DataLength,
NULL,
NULL
);
if (Urb == NULL) {
DEBUG ((DEBUG_ERROR, "XhcTransfer[Type=%d]: failed to create URB!\n", Type));
return EFI_OUT_OF_RESOURCES;
}
Status = XhcExecTransfer (Xhc, FALSE, Urb, Timeout);
*TransferResult = Urb->Result;
*DataLength = Urb->Completed;
if (Status == EFI_TIMEOUT) {
//
// The transfer timed out. Abort the transfer by dequeueing of the TD.
//
RecoveryStatus = XhcDequeueTrbFromEndpoint (Xhc, Urb);
if (EFI_ERROR (RecoveryStatus)) {
DEBUG((DEBUG_ERROR, "XhcTransfer[Type=%d]: XhcDequeueTrbFromEndpoint failed\n", Type));
}
} else {
if (*TransferResult == EFI_USB_NOERROR) {
Status = EFI_SUCCESS;
} else if (*TransferResult == EFI_USB_ERR_STALL) {
RecoveryStatus = XhcRecoverHaltedEndpoint (Xhc, Urb);
if (EFI_ERROR (RecoveryStatus)) {
DEBUG ((DEBUG_ERROR, "XhcTransfer[Type=%d]: XhcRecoverHaltedEndpoint failed\n", Type));
}
Status = EFI_DEVICE_ERROR;
}
}
Xhc->PciIo->Flush (Xhc->PciIo);
XhcFreeUrb (Xhc, Urb);
return Status;
}
/** /**
Submits control transfer to a target USB device. Submits control transfer to a target USB device.
@ -758,7 +849,6 @@ XhcControlTransfer (
) )
{ {
USB_XHCI_INSTANCE *Xhc; USB_XHCI_INSTANCE *Xhc;
URB *Urb;
UINT8 Endpoint; UINT8 Endpoint;
UINT8 Index; UINT8 Index;
UINT8 DescriptorType; UINT8 DescriptorType;
@ -769,7 +859,6 @@ XhcControlTransfer (
EFI_USB_HUB_DESCRIPTOR *HubDesc; EFI_USB_HUB_DESCRIPTOR *HubDesc;
EFI_TPL OldTpl; EFI_TPL OldTpl;
EFI_STATUS Status; EFI_STATUS Status;
EFI_STATUS RecoveryStatus;
UINTN MapSize; UINTN MapSize;
EFI_USB_PORT_STATUS PortStatus; EFI_USB_PORT_STATUS PortStatus;
UINT32 State; UINT32 State;
@ -876,7 +965,7 @@ XhcControlTransfer (
// combination of Ep addr and its direction. // combination of Ep addr and its direction.
// //
Endpoint = (UINT8) (0 | ((TransferDirection == EfiUsbDataIn) ? 0x80 : 0)); Endpoint = (UINT8) (0 | ((TransferDirection == EfiUsbDataIn) ? 0x80 : 0));
Urb = XhcCreateUrb ( Status = XhcTransfer (
Xhc, Xhc,
DeviceAddress, DeviceAddress,
Endpoint, Endpoint,
@ -885,59 +974,13 @@ XhcControlTransfer (
XHC_CTRL_TRANSFER, XHC_CTRL_TRANSFER,
Request, Request,
Data, Data,
*DataLength, DataLength,
NULL, Timeout,
NULL TransferResult
); );
if (Urb == NULL) {
DEBUG ((EFI_D_ERROR, "XhcControlTransfer: failed to create URB"));
Status = EFI_OUT_OF_RESOURCES;
goto ON_EXIT;
}
Status = XhcExecTransfer (Xhc, FALSE, Urb, Timeout);
//
// Get the status from URB. The result is updated in XhcCheckUrbResult
// which is called by XhcExecTransfer
//
*TransferResult = Urb->Result;
*DataLength = Urb->Completed;
if (Status == EFI_TIMEOUT) {
//
// The transfer timed out. Abort the transfer by dequeueing of the TD.
//
RecoveryStatus = XhcDequeueTrbFromEndpoint(Xhc, Urb);
if (EFI_ERROR(RecoveryStatus)) {
DEBUG((EFI_D_ERROR, "XhcControlTransfer: XhcDequeueTrbFromEndpoint failed\n"));
}
goto FREE_URB;
} else {
if (*TransferResult == EFI_USB_NOERROR) {
Status = EFI_SUCCESS;
} else if (*TransferResult == EFI_USB_ERR_STALL) {
RecoveryStatus = XhcRecoverHaltedEndpoint(Xhc, Urb);
if (EFI_ERROR (RecoveryStatus)) {
DEBUG ((EFI_D_ERROR, "XhcControlTransfer: XhcRecoverHaltedEndpoint failed\n"));
}
Status = EFI_DEVICE_ERROR;
goto FREE_URB;
} else {
goto FREE_URB;
}
}
Xhc->PciIo->Flush (Xhc->PciIo);
if (Urb->DataMap != NULL) {
Status = Xhc->PciIo->Unmap (Xhc->PciIo, Urb->DataMap);
ASSERT_EFI_ERROR (Status);
if (EFI_ERROR (Status)) { if (EFI_ERROR (Status)) {
Status = EFI_DEVICE_ERROR; goto ON_EXIT;
goto FREE_URB;
}
} }
// //
@ -1115,11 +1158,7 @@ XhcControlTransfer (
*(UINT32 *)Data = *(UINT32*)&PortStatus; *(UINT32 *)Data = *(UINT32*)&PortStatus;
} }
FREE_URB:
FreePool (Urb);
ON_EXIT: ON_EXIT:
if (EFI_ERROR (Status)) { if (EFI_ERROR (Status)) {
DEBUG ((EFI_D_ERROR, "XhcControlTransfer: error - %r, transfer - %x\n", Status, *TransferResult)); DEBUG ((EFI_D_ERROR, "XhcControlTransfer: error - %r, transfer - %x\n", Status, *TransferResult));
} }
@ -1178,10 +1217,8 @@ XhcBulkTransfer (
) )
{ {
USB_XHCI_INSTANCE *Xhc; USB_XHCI_INSTANCE *Xhc;
URB *Urb;
UINT8 SlotId; UINT8 SlotId;
EFI_STATUS Status; EFI_STATUS Status;
EFI_STATUS RecoveryStatus;
EFI_TPL OldTpl; EFI_TPL OldTpl;
// //
@ -1227,7 +1264,7 @@ XhcBulkTransfer (
// Create a new URB, insert it into the asynchronous // Create a new URB, insert it into the asynchronous
// schedule list, then poll the execution status. // schedule list, then poll the execution status.
// //
Urb = XhcCreateUrb ( Status = XhcTransfer (
Xhc, Xhc,
DeviceAddress, DeviceAddress,
EndPointAddress, EndPointAddress,
@ -1236,47 +1273,12 @@ XhcBulkTransfer (
XHC_BULK_TRANSFER, XHC_BULK_TRANSFER,
NULL, NULL,
Data[0], Data[0],
*DataLength, DataLength,
NULL, Timeout,
NULL TransferResult
); );
if (Urb == NULL) {
DEBUG ((EFI_D_ERROR, "XhcBulkTransfer: failed to create URB\n"));
Status = EFI_OUT_OF_RESOURCES;
goto ON_EXIT;
}
Status = XhcExecTransfer (Xhc, FALSE, Urb, Timeout);
*TransferResult = Urb->Result;
*DataLength = Urb->Completed;
if (Status == EFI_TIMEOUT) {
//
// The transfer timed out. Abort the transfer by dequeueing of the TD.
//
RecoveryStatus = XhcDequeueTrbFromEndpoint(Xhc, Urb);
if (EFI_ERROR(RecoveryStatus)) {
DEBUG((EFI_D_ERROR, "XhcBulkTransfer: XhcDequeueTrbFromEndpoint failed\n"));
}
} else {
if (*TransferResult == EFI_USB_NOERROR) {
Status = EFI_SUCCESS;
} else if (*TransferResult == EFI_USB_ERR_STALL) {
RecoveryStatus = XhcRecoverHaltedEndpoint(Xhc, Urb);
if (EFI_ERROR (RecoveryStatus)) {
DEBUG ((EFI_D_ERROR, "XhcBulkTransfer: XhcRecoverHaltedEndpoint failed\n"));
}
Status = EFI_DEVICE_ERROR;
}
}
Xhc->PciIo->Flush (Xhc->PciIo);
XhcFreeUrb (Xhc, Urb);
ON_EXIT: ON_EXIT:
if (EFI_ERROR (Status)) { if (EFI_ERROR (Status)) {
DEBUG ((EFI_D_ERROR, "XhcBulkTransfer: error - %r, transfer - %x\n", Status, *TransferResult)); DEBUG ((EFI_D_ERROR, "XhcBulkTransfer: error - %r, transfer - %x\n", Status, *TransferResult));
} }
@ -1490,10 +1492,8 @@ XhcSyncInterruptTransfer (
) )
{ {
USB_XHCI_INSTANCE *Xhc; USB_XHCI_INSTANCE *Xhc;
URB *Urb;
UINT8 SlotId; UINT8 SlotId;
EFI_STATUS Status; EFI_STATUS Status;
EFI_STATUS RecoveryStatus;
EFI_TPL OldTpl; EFI_TPL OldTpl;
// //
@ -1534,7 +1534,7 @@ XhcSyncInterruptTransfer (
goto ON_EXIT; goto ON_EXIT;
} }
Urb = XhcCreateUrb ( Status = XhcTransfer (
Xhc, Xhc,
DeviceAddress, DeviceAddress,
EndPointAddress, EndPointAddress,
@ -1543,45 +1543,11 @@ XhcSyncInterruptTransfer (
XHC_INT_TRANSFER_SYNC, XHC_INT_TRANSFER_SYNC,
NULL, NULL,
Data, Data,
*DataLength, DataLength,
NULL, Timeout,
NULL TransferResult
); );
if (Urb == NULL) {
DEBUG ((EFI_D_ERROR, "XhcSyncInterruptTransfer: failed to create URB\n"));
Status = EFI_OUT_OF_RESOURCES;
goto ON_EXIT;
}
Status = XhcExecTransfer (Xhc, FALSE, Urb, Timeout);
*TransferResult = Urb->Result;
*DataLength = Urb->Completed;
if (Status == EFI_TIMEOUT) {
//
// The transfer timed out. Abort the transfer by dequeueing of the TD.
//
RecoveryStatus = XhcDequeueTrbFromEndpoint(Xhc, Urb);
if (EFI_ERROR(RecoveryStatus)) {
DEBUG((EFI_D_ERROR, "XhcSyncInterruptTransfer: XhcDequeueTrbFromEndpoint failed\n"));
}
} else {
if (*TransferResult == EFI_USB_NOERROR) {
Status = EFI_SUCCESS;
} else if (*TransferResult == EFI_USB_ERR_STALL) {
RecoveryStatus = XhcRecoverHaltedEndpoint(Xhc, Urb);
if (EFI_ERROR (RecoveryStatus)) {
DEBUG ((EFI_D_ERROR, "XhcSyncInterruptTransfer: XhcRecoverHaltedEndpoint failed\n"));
}
Status = EFI_DEVICE_ERROR;
}
}
Xhc->PciIo->Flush (Xhc->PciIo);
XhcFreeUrb (Xhc, Urb);
ON_EXIT: ON_EXIT:
if (EFI_ERROR (Status)) { if (EFI_ERROR (Status)) {
DEBUG ((EFI_D_ERROR, "XhcSyncInterruptTransfer: error - %r, transfer - %x\n", Status, *TransferResult)); DEBUG ((EFI_D_ERROR, "XhcSyncInterruptTransfer: error - %r, transfer - %x\n", Status, *TransferResult));