\r
XHCI transfer scheduling routines.\r
\r
-Copyright (c) 2011, Intel Corporation. All rights reserved.<BR>\r
+Copyright (c) 2011 - 2017, Intel Corporation. All rights reserved.<BR>\r
This program and the accompanying materials\r
are licensed and made available under the terms and conditions of the BSD License\r
which accompanies this distribution. The full text of the license may be found at\r
Urb->TrbStart->CycleBit = Urb->Ring->RingPCS & BIT0;\r
Urb->TrbEnd = Urb->TrbStart;\r
\r
- Urb->EvtRing = &Xhc->CmdEventRing;\r
- XhcSyncEventRing (Xhc, Urb->EvtRing);\r
- Urb->EvtTrbStart = Urb->EvtRing->EventRingEnqueue;\r
-\r
return Urb;\r
}\r
\r
goto ON_EXIT;\r
}\r
\r
- ASSERT (Urb->EvtRing == &Xhc->CmdEventRing);\r
-\r
Status = XhcExecTransfer (Xhc, TRUE, Urb, Timeout);\r
- *EvtTrb = Urb->EvtTrbStart;\r
+ *EvtTrb = Urb->EvtTrb;\r
\r
if (Urb->Result == EFI_USB_NOERROR) {\r
Status = EFI_SUCCESS;\r
}\r
\r
- FreePool (Urb);\r
+ XhcFreeUrb (Xhc, Urb);\r
\r
ON_EXIT:\r
return Status;\r
Create a new URB for a new transaction.\r
\r
@param Xhc The XHCI Instance\r
- @param DevAddr The device address\r
+ @param BusAddr The logical device address assigned by UsbBus driver\r
@param EpAddr Endpoint addrress\r
@param DevSpeed The device speed\r
@param MaxPacket The max packet length of the endpoint\r
URB*\r
XhcCreateUrb (\r
IN USB_XHCI_INSTANCE *Xhc,\r
- IN UINT8 DevAddr,\r
+ IN UINT8 BusAddr,\r
IN UINT8 EpAddr,\r
IN UINT8 DevSpeed,\r
IN UINTN MaxPacket,\r
InitializeListHead (&Urb->UrbList);\r
\r
Ep = &Urb->Ep;\r
- Ep->DevAddr = DevAddr;\r
+ Ep->BusAddr = BusAddr;\r
Ep->EpAddr = (UINT8)(EpAddr & 0x0F);\r
Ep->Direction = ((EpAddr & 0x80) != 0) ? EfiUsbDataIn : EfiUsbDataOut;\r
Ep->DevSpeed = DevSpeed;\r
\r
Status = XhcCreateTransferTrb (Xhc, Urb);\r
ASSERT_EFI_ERROR (Status);\r
+ if (EFI_ERROR (Status)) {\r
+ DEBUG ((EFI_D_ERROR, "XhcCreateUrb: XhcCreateTransferTrb Failed, Status = %r\n", Status));\r
+ FreePool (Urb);\r
+ Urb = NULL;\r
+ }\r
\r
return Urb;\r
}\r
\r
+/**\r
+ Free an allocated URB.\r
+\r
+ @param Xhc The XHCI device.\r
+ @param Urb The URB to free.\r
+\r
+**/\r
+VOID\r
+XhcFreeUrb (\r
+ IN USB_XHCI_INSTANCE *Xhc,\r
+ IN URB *Urb\r
+ )\r
+{\r
+ if ((Xhc == NULL) || (Urb == NULL)) {\r
+ return;\r
+ }\r
+ \r
+ if (Urb->DataMap != NULL) {\r
+ Xhc->PciIo->Unmap (Xhc->PciIo, Urb->DataMap);\r
+ }\r
+\r
+ FreePool (Urb);\r
+}\r
+\r
/**\r
Create a transfer TRB.\r
\r
IN URB *Urb\r
)\r
{\r
- DEVICE_CONTEXT *OutputContext;\r
+ VOID *OutputContext;\r
TRANSFER_RING *EPRing;\r
UINT8 EPType;\r
UINT8 SlotId;\r
UINTN TotalLen;\r
UINTN Len;\r
UINTN TrbNum;\r
+ EFI_PCI_IO_PROTOCOL_OPERATION MapOp;\r
+ EFI_PHYSICAL_ADDRESS PhyAddr;\r
+ VOID *Map;\r
+ EFI_STATUS Status;\r
+\r
+ SlotId = XhcBusDevAddrToSlotId (Xhc, Urb->Ep.BusAddr);\r
+ if (SlotId == 0) {\r
+ return EFI_DEVICE_ERROR;\r
+ }\r
+\r
+ Urb->Finished = FALSE;\r
+ Urb->StartDone = FALSE;\r
+ Urb->EndDone = FALSE;\r
+ Urb->Completed = 0;\r
+ Urb->Result = EFI_USB_NOERROR;\r
\r
- SlotId = XhcDevAddrToSlotId(Xhc, Urb->Ep.DevAddr);\r
Dci = XhcEndpointToDci (Urb->Ep.EpAddr, (UINT8)(Urb->Ep.Direction));\r
ASSERT (Dci < 32);\r
EPRing = (TRANSFER_RING *)(UINTN) Xhc->UsbDevContext[SlotId].EndpointTransferRing[Dci-1];\r
Urb->Ring = EPRing;\r
- OutputContext = (DEVICE_CONTEXT *)(UINTN) Xhc->DCBAA[SlotId];\r
- EPType = (UINT8) OutputContext->EP[Dci-1].EPType;\r
+ OutputContext = Xhc->UsbDevContext[SlotId].OutputContext;\r
+ if (Xhc->HcCParams.Data.Csz == 0) {\r
+ EPType = (UINT8) ((DEVICE_CONTEXT *)OutputContext)->EP[Dci-1].EPType;\r
+ } else {\r
+ EPType = (UINT8) ((DEVICE_CONTEXT_64 *)OutputContext)->EP[Dci-1].EPType;\r
+ }\r
+ \r
+ if (Urb->Data != NULL) {\r
+ if (((UINT8) (Urb->Ep.Direction)) == EfiUsbDataIn) {\r
+ MapOp = EfiPciIoOperationBusMasterWrite;\r
+ } else {\r
+ MapOp = EfiPciIoOperationBusMasterRead;\r
+ }\r
+ \r
+ Len = Urb->DataLen;\r
+ Status = Xhc->PciIo->Map (Xhc->PciIo, MapOp, Urb->Data, &Len, &PhyAddr, &Map);\r
+ \r
+ if (EFI_ERROR (Status) || (Len != Urb->DataLen)) {\r
+ DEBUG ((EFI_D_ERROR, "XhcCreateTransferTrb: Fail to map Urb->Data.\n"));\r
+ return EFI_OUT_OF_RESOURCES;\r
+ }\r
+ \r
+ Urb->DataPhy = (VOID *) ((UINTN) PhyAddr);\r
+ Urb->DataMap = Map;\r
+ }\r
\r
//\r
// Construct the TRB\r
Urb->TrbStart = EPRing->RingEnqueue;\r
switch (EPType) {\r
case ED_CONTROL_BIDIR:\r
- Urb->EvtRing = &Xhc->CtrlTrEventRing;\r
- XhcSyncEventRing (Xhc, Urb->EvtRing);\r
- Urb->EvtTrbStart = Urb->EvtRing->EventRingEnqueue;\r
//\r
// For control transfer, create SETUP_STAGE_TRB first.\r
//\r
TrbStart->TrbCtrSetup.wValue = Urb->Request->Value;\r
TrbStart->TrbCtrSetup.wIndex = Urb->Request->Index;\r
TrbStart->TrbCtrSetup.wLength = Urb->Request->Length;\r
- TrbStart->TrbCtrSetup.Lenth = 8;\r
- TrbStart->TrbCtrSetup.IntTarget = Urb->EvtRing->EventInterrupter;\r
+ TrbStart->TrbCtrSetup.Length = 8;\r
+ TrbStart->TrbCtrSetup.IntTarget = 0;\r
TrbStart->TrbCtrSetup.IOC = 1;\r
TrbStart->TrbCtrSetup.IDT = 1;\r
TrbStart->TrbCtrSetup.Type = TRB_TYPE_SETUP_STAGE;\r
if (Urb->DataLen > 0) {\r
XhcSyncTrsRing (Xhc, EPRing);\r
TrbStart = (TRB *)(UINTN)EPRing->RingEnqueue;\r
- TrbStart->TrbCtrData.TRBPtrLo = XHC_LOW_32BIT(Urb->Data);\r
- TrbStart->TrbCtrData.TRBPtrHi = XHC_HIGH_32BIT(Urb->Data);\r
- TrbStart->TrbCtrData.Lenth = (UINT32) Urb->DataLen;\r
+ TrbStart->TrbCtrData.TRBPtrLo = XHC_LOW_32BIT(Urb->DataPhy);\r
+ TrbStart->TrbCtrData.TRBPtrHi = XHC_HIGH_32BIT(Urb->DataPhy);\r
+ TrbStart->TrbCtrData.Length = (UINT32) Urb->DataLen;\r
TrbStart->TrbCtrData.TDSize = 0;\r
- TrbStart->TrbCtrData.IntTarget = Urb->EvtRing->EventInterrupter;\r
+ TrbStart->TrbCtrData.IntTarget = 0;\r
TrbStart->TrbCtrData.ISP = 1;\r
TrbStart->TrbCtrData.IOC = 1;\r
TrbStart->TrbCtrData.IDT = 0;\r
//\r
XhcSyncTrsRing (Xhc, EPRing);\r
TrbStart = (TRB *)(UINTN)EPRing->RingEnqueue;\r
- TrbStart->TrbCtrStatus.IntTarget = Urb->EvtRing->EventInterrupter;\r
+ TrbStart->TrbCtrStatus.IntTarget = 0;\r
TrbStart->TrbCtrStatus.IOC = 1;\r
TrbStart->TrbCtrStatus.CH = 0;\r
TrbStart->TrbCtrStatus.Type = TRB_TYPE_STATUS_STAGE;\r
\r
case ED_BULK_OUT:\r
case ED_BULK_IN:\r
- Urb->EvtRing = &Xhc->BulkTrEventRing;\r
- XhcSyncEventRing (Xhc, Urb->EvtRing);\r
- Urb->EvtTrbStart = Urb->EvtRing->EventRingEnqueue;\r
-\r
TotalLen = 0;\r
Len = 0;\r
TrbNum = 0;\r
Len = 0x10000;\r
}\r
TrbStart = (TRB *)(UINTN)EPRing->RingEnqueue;\r
- TrbStart->TrbNormal.TRBPtrLo = XHC_LOW_32BIT((UINT8 *) Urb->Data + TotalLen);\r
- TrbStart->TrbNormal.TRBPtrHi = XHC_HIGH_32BIT((UINT8 *) Urb->Data + TotalLen);\r
- TrbStart->TrbNormal.Lenth = (UINT32) Len;\r
+ TrbStart->TrbNormal.TRBPtrLo = XHC_LOW_32BIT((UINT8 *) Urb->DataPhy + TotalLen);\r
+ TrbStart->TrbNormal.TRBPtrHi = XHC_HIGH_32BIT((UINT8 *) Urb->DataPhy + TotalLen);\r
+ TrbStart->TrbNormal.Length = (UINT32) Len;\r
TrbStart->TrbNormal.TDSize = 0;\r
- TrbStart->TrbNormal.IntTarget = Urb->EvtRing->EventInterrupter;\r
+ TrbStart->TrbNormal.IntTarget = 0;\r
TrbStart->TrbNormal.ISP = 1;\r
TrbStart->TrbNormal.IOC = 1;\r
TrbStart->TrbNormal.Type = TRB_TYPE_NORMAL;\r
\r
case ED_INTERRUPT_OUT:\r
case ED_INTERRUPT_IN:\r
- if (Urb->Ep.Type == XHC_INT_TRANSFER_ASYNC) {\r
- Urb->EvtRing = &Xhc->AsynIntTrEventRing;\r
- } else if(Urb->Ep.Type == XHC_INT_TRANSFER_SYNC){\r
- Urb->EvtRing = &Xhc->IntTrEventRing;\r
- } else {\r
- DEBUG ((EFI_D_ERROR, "EP Interrupt type error!\n"));\r
- ASSERT(FALSE);\r
- }\r
- XhcSyncEventRing (Xhc, Urb->EvtRing);\r
- Urb->EvtTrbStart = Urb->EvtRing->EventRingEnqueue;\r
-\r
TotalLen = 0;\r
Len = 0;\r
TrbNum = 0;\r
Len = 0x10000;\r
}\r
TrbStart = (TRB *)(UINTN)EPRing->RingEnqueue;\r
- TrbStart->TrbNormal.TRBPtrLo = XHC_LOW_32BIT((UINT8 *) Urb->Data + TotalLen);\r
- TrbStart->TrbNormal.TRBPtrHi = XHC_HIGH_32BIT((UINT8 *) Urb->Data + TotalLen);\r
- TrbStart->TrbNormal.Lenth = (UINT32) Len;\r
+ TrbStart->TrbNormal.TRBPtrLo = XHC_LOW_32BIT((UINT8 *) Urb->DataPhy + TotalLen);\r
+ TrbStart->TrbNormal.TRBPtrHi = XHC_HIGH_32BIT((UINT8 *) Urb->DataPhy + TotalLen);\r
+ TrbStart->TrbNormal.Length = (UINT32) Len;\r
TrbStart->TrbNormal.TDSize = 0;\r
- TrbStart->TrbNormal.IntTarget = Urb->EvtRing->EventInterrupter;\r
+ TrbStart->TrbNormal.IntTarget = 0;\r
TrbStart->TrbNormal.ISP = 1;\r
TrbStart->TrbNormal.IOC = 1;\r
TrbStart->TrbNormal.Type = TRB_TYPE_NORMAL;\r
)\r
{\r
VOID *Dcbaa;\r
+ EFI_PHYSICAL_ADDRESS DcbaaPhy;\r
UINT64 CmdRing;\r
+ EFI_PHYSICAL_ADDRESS CmdRingPhy; \r
UINTN Entries;\r
UINT32 MaxScratchpadBufs;\r
UINT64 *ScratchBuf;\r
- UINT64 *ScratchEntryBuf;\r
+ EFI_PHYSICAL_ADDRESS ScratchPhy;\r
+ UINT64 *ScratchEntry;\r
+ EFI_PHYSICAL_ADDRESS ScratchEntryPhy;\r
UINT32 Index;\r
+ UINTN *ScratchEntryMap;\r
+ EFI_STATUS Status;\r
+\r
+ //\r
+ // Initialize memory management.\r
+ //\r
+ Xhc->MemPool = UsbHcInitMemPool (Xhc->PciIo);\r
+ ASSERT (Xhc->MemPool != NULL);\r
\r
//\r
// Program the Max Device Slots Enabled (MaxSlotsEn) field in the CONFIG register (5.4.7)\r
// Software shall set Device Context Base Address Array entries for unallocated Device Slots to '0'.\r
//\r
Entries = (Xhc->MaxSlotsEn + 1) * sizeof(UINT64);\r
- Dcbaa = AllocatePages (EFI_SIZE_TO_PAGES (Entries));\r
+ Dcbaa = UsbHcAllocateMem (Xhc->MemPool, Entries);\r
ASSERT (Dcbaa != NULL);\r
ZeroMem (Dcbaa, Entries);\r
\r
Xhc->MaxScratchpadBufs = MaxScratchpadBufs;\r
ASSERT (MaxScratchpadBufs <= 1023);\r
if (MaxScratchpadBufs != 0) {\r
- ScratchBuf = AllocateAlignedPages (EFI_SIZE_TO_PAGES (MaxScratchpadBufs * sizeof (UINT64)), Xhc->PageSize);\r
- ASSERT (ScratchBuf != NULL);\r
+ //\r
+ // Allocate the buffer to record the Mapping for each scratch buffer in order to Unmap them\r
+ //\r
+ ScratchEntryMap = AllocateZeroPool (sizeof (UINTN) * MaxScratchpadBufs);\r
+ ASSERT (ScratchEntryMap != NULL);\r
+ Xhc->ScratchEntryMap = ScratchEntryMap;\r
+ \r
+ //\r
+ // Allocate the buffer to record the host address for each entry\r
+ //\r
+ ScratchEntry = AllocateZeroPool (sizeof (UINT64) * MaxScratchpadBufs);\r
+ ASSERT (ScratchEntry != NULL);\r
+ Xhc->ScratchEntry = ScratchEntry;\r
+\r
+ ScratchPhy = 0;\r
+ Status = UsbHcAllocateAlignedPages (\r
+ Xhc->PciIo,\r
+ EFI_SIZE_TO_PAGES (MaxScratchpadBufs * sizeof (UINT64)),\r
+ Xhc->PageSize,\r
+ (VOID **) &ScratchBuf, \r
+ &ScratchPhy,\r
+ &Xhc->ScratchMap\r
+ );\r
+ ASSERT_EFI_ERROR (Status);\r
+\r
ZeroMem (ScratchBuf, MaxScratchpadBufs * sizeof (UINT64));\r
Xhc->ScratchBuf = ScratchBuf;\r
\r
+ //\r
+ // Allocate each scratch buffer\r
+ //\r
for (Index = 0; Index < MaxScratchpadBufs; Index++) {\r
- ScratchEntryBuf = AllocateAlignedPages (EFI_SIZE_TO_PAGES (Xhc->PageSize), Xhc->PageSize);\r
- ASSERT (ScratchEntryBuf != NULL);\r
- ZeroMem (ScratchEntryBuf, Xhc->PageSize);\r
- *ScratchBuf++ = (UINT64)(UINTN)ScratchEntryBuf;\r
+ ScratchEntryPhy = 0;\r
+ Status = UsbHcAllocateAlignedPages (\r
+ Xhc->PciIo,\r
+ EFI_SIZE_TO_PAGES (Xhc->PageSize),\r
+ Xhc->PageSize,\r
+ (VOID **) &ScratchEntry[Index],\r
+ &ScratchEntryPhy,\r
+ (VOID **) &ScratchEntryMap[Index]\r
+ );\r
+ ASSERT_EFI_ERROR (Status);\r
+ ZeroMem ((VOID *)(UINTN)ScratchEntry[Index], Xhc->PageSize);\r
+ //\r
+ // Fill with the PCI device address\r
+ //\r
+ *ScratchBuf++ = ScratchEntryPhy;\r
}\r
-\r
//\r
// The Scratchpad Buffer Array contains pointers to the Scratchpad Buffers. Entry 0 of the\r
// Device Context Base Address Array points to the Scratchpad Buffer Array.\r
//\r
- *(UINT64 *)Dcbaa = (UINT64)(UINTN)Xhc->ScratchBuf;\r
+ *(UINT64 *)Dcbaa = (UINT64)(UINTN) ScratchPhy;\r
}\r
\r
//\r
// a 64-bit address pointing to where the Device Context Base Address Array is located.\r
//\r
Xhc->DCBAA = (UINT64 *)(UINTN)Dcbaa;\r
- XhcWriteOpReg64 (Xhc, XHC_DCBAAP_OFFSET, (UINT64)(UINTN)Xhc->DCBAA);\r
+ //\r
+ // Some 3rd party XHCI external cards don't support single 64-bytes width register access,\r
+ // So divide it to two 32-bytes width register access.\r
+ //\r
+ DcbaaPhy = UsbHcGetPciAddrForHostAddr (Xhc->MemPool, Dcbaa, Entries);\r
+ XhcWriteOpReg (Xhc, XHC_DCBAAP_OFFSET, XHC_LOW_32BIT(DcbaaPhy));\r
+ XhcWriteOpReg (Xhc, XHC_DCBAAP_OFFSET + 4, XHC_HIGH_32BIT (DcbaaPhy));\r
+\r
DEBUG ((EFI_D_INFO, "XhcInitSched:DCBAA=0x%x\n", (UINT64)(UINTN)Xhc->DCBAA));\r
\r
//\r
// So we set RCS as inverted PCS init value to let Command Ring empty\r
//\r
CmdRing = (UINT64)(UINTN)Xhc->CmdRing.RingSeg0;\r
- ASSERT ((CmdRing & 0x3F) == 0);\r
- CmdRing |= XHC_CRCR_RCS;\r
- XhcWriteOpReg64 (Xhc, XHC_CRCR_OFFSET, CmdRing);\r
-\r
- DEBUG ((EFI_D_INFO, "XhcInitSched:XHC_CRCR=0x%x\n", Xhc->CmdRing.RingSeg0));\r
+ CmdRingPhy = UsbHcGetPciAddrForHostAddr (Xhc->MemPool, (VOID *)(UINTN) CmdRing, sizeof (TRB_TEMPLATE) * CMD_RING_TRB_NUMBER);\r
+ ASSERT ((CmdRingPhy & 0x3F) == 0);\r
+ CmdRingPhy |= XHC_CRCR_RCS;\r
+ //\r
+ // Some 3rd party XHCI external cards don't support single 64-bytes width register access,\r
+ // So divide it to two 32-bytes width register access.\r
+ //\r
+ XhcWriteOpReg (Xhc, XHC_CRCR_OFFSET, XHC_LOW_32BIT(CmdRingPhy));\r
+ XhcWriteOpReg (Xhc, XHC_CRCR_OFFSET + 4, XHC_HIGH_32BIT (CmdRingPhy));\r
\r
//\r
// Disable the 'interrupter enable' bit in USB_CMD\r
//\r
// Allocate EventRing for Cmd, Ctrl, Bulk, Interrupt, AsynInterrupt transfer\r
//\r
- CreateEventRing (Xhc, CMD_INTER, &Xhc->CmdEventRing);\r
- CreateEventRing (Xhc, CTRL_INTER, &Xhc->CtrlTrEventRing);\r
- CreateEventRing (Xhc, BULK_INTER, &Xhc->BulkTrEventRing);\r
- CreateEventRing (Xhc, INT_INTER, &Xhc->IntTrEventRing);\r
- CreateEventRing (Xhc, INT_INTER_ASYNC, &Xhc->AsynIntTrEventRing);\r
+ CreateEventRing (Xhc, &Xhc->EventRing);\r
+ DEBUG ((DEBUG_INFO, "XhcInitSched: Created CMD ring [%p~%p) EVENT ring [%p~%p)\n",\r
+ Xhc->CmdRing.RingSeg0, (UINTN)Xhc->CmdRing.RingSeg0 + sizeof (TRB_TEMPLATE) * CMD_RING_TRB_NUMBER,\r
+ Xhc->EventRing.EventRingSeg0, (UINTN)Xhc->EventRing.EventRingSeg0 + sizeof (TRB_TEMPLATE) * EVENT_RING_TRB_NUMBER\r
+ ));\r
}\r
\r
/**\r
)\r
{\r
EFI_STATUS Status;\r
- EVT_TRB_COMMAND_COMPLETION *EvtTrb;\r
- CMD_TRB_RESET_ENDPOINT CmdTrbResetED;\r
- CMD_SET_TR_DEQ_POINTER CmdSetTRDeq;\r
UINT8 Dci;\r
UINT8 SlotId;\r
\r
- Status = EFI_SUCCESS;\r
- SlotId = XhcDevAddrToSlotId(Xhc, Urb->Ep.DevAddr);\r
- Dci = XhcEndpointToDci(Urb->Ep.EpAddr, (UINT8)(Urb->Ep.Direction));\r
-\r
+ Status = EFI_SUCCESS;\r
+ SlotId = XhcBusDevAddrToSlotId (Xhc, Urb->Ep.BusAddr);\r
+ if (SlotId == 0) {\r
+ return EFI_DEVICE_ERROR;\r
+ }\r
+ Dci = XhcEndpointToDci (Urb->Ep.EpAddr, (UINT8)(Urb->Ep.Direction));\r
+ ASSERT (Dci < 32);\r
+ \r
DEBUG ((EFI_D_INFO, "Recovery Halted Slot = %x,Dci = %x\n", SlotId, Dci));\r
\r
//\r
// 1) Send Reset endpoint command to transit from halt to stop state\r
//\r
- ZeroMem (&CmdTrbResetED, sizeof (CmdTrbResetED));\r
- CmdTrbResetED.CycleBit = 1;\r
- CmdTrbResetED.Type = TRB_TYPE_RESET_ENDPOINT;\r
- CmdTrbResetED.EDID = Dci;\r
- CmdTrbResetED.SlotId = SlotId;\r
- Status = XhcCmdTransfer (\r
- Xhc,\r
- (TRB_TEMPLATE *) (UINTN) &CmdTrbResetED,\r
- XHC_GENERIC_TIMEOUT,\r
- (TRB_TEMPLATE **) (UINTN) &EvtTrb\r
- );\r
- ASSERT (!EFI_ERROR(Status));\r
+ Status = XhcResetEndpoint(Xhc, SlotId, Dci);\r
+ if (EFI_ERROR(Status)) {\r
+ DEBUG ((EFI_D_ERROR, "XhcRecoverHaltedEndpoint: Reset Endpoint Failed, Status = %r\n", Status));\r
+ goto Done;\r
+ }\r
\r
//\r
// 2)Set dequeue pointer\r
//\r
- ZeroMem (&CmdSetTRDeq, sizeof (CmdSetTRDeq));\r
- CmdSetTRDeq.PtrLo = XHC_LOW_32BIT (Urb->Ring->RingEnqueue) | Urb->Ring->RingPCS;\r
- CmdSetTRDeq.PtrHi = XHC_HIGH_32BIT (Urb->Ring->RingEnqueue);\r
- CmdSetTRDeq.CycleBit = 1;\r
- CmdSetTRDeq.Type = TRB_TYPE_SET_TR_DEQUE;\r
- CmdSetTRDeq.Endpoint = Dci;\r
- CmdSetTRDeq.SlotId = SlotId;\r
- Status = XhcCmdTransfer (\r
- Xhc,\r
- (TRB_TEMPLATE *) (UINTN) &CmdSetTRDeq,\r
- XHC_GENERIC_TIMEOUT,\r
- (TRB_TEMPLATE **) (UINTN) &EvtTrb\r
- );\r
- ASSERT (!EFI_ERROR(Status));\r
+ Status = XhcSetTrDequeuePointer(Xhc, SlotId, Dci, Urb);\r
+ if (EFI_ERROR(Status)) {\r
+ DEBUG ((EFI_D_ERROR, "XhcRecoverHaltedEndpoint: Set Transfer Ring Dequeue Pointer Failed, Status = %r\n", Status));\r
+ goto Done;\r
+ }\r
+\r
+ //\r
+ // 3)Ring the doorbell to transit from stop to active\r
+ //\r
+ XhcRingDoorBell (Xhc, SlotId, Dci);\r
+\r
+Done:\r
+ return Status;\r
+}\r
+\r
+/**\r
+ System software shall use a Stop Endpoint Command (section 4.6.9) and the Set TR Dequeue Pointer\r
+ Command (section 4.6.10) to remove the timed-out TDs from the xHC transfer ring. The next write to\r
+ the Doorbell of the Endpoint will transition the Endpoint Context from the Stopped to the Running\r
+ state.\r
+\r
+ @param Xhc The XHCI Instance.\r
+ @param Urb The urb which doesn't get completed in a specified timeout range.\r
+\r
+ @retval EFI_SUCCESS The dequeuing of the TDs is successful.\r
+ @retval EFI_ALREADY_STARTED The Urb is finished so no deque is needed.\r
+ @retval Others Failed to stop the endpoint and dequeue the TDs.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+XhcDequeueTrbFromEndpoint (\r
+ IN USB_XHCI_INSTANCE *Xhc,\r
+ IN URB *Urb\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ UINT8 Dci;\r
+ UINT8 SlotId;\r
+\r
+ Status = EFI_SUCCESS;\r
+ SlotId = XhcBusDevAddrToSlotId (Xhc, Urb->Ep.BusAddr);\r
+ if (SlotId == 0) {\r
+ return EFI_DEVICE_ERROR;\r
+ }\r
+ Dci = XhcEndpointToDci (Urb->Ep.EpAddr, (UINT8)(Urb->Ep.Direction));\r
+ ASSERT (Dci < 32);\r
+ \r
+ DEBUG ((EFI_D_INFO, "Stop Slot = %x,Dci = %x\n", SlotId, Dci));\r
+\r
+ //\r
+ // 1) Send Stop endpoint command to stop xHC from executing of the TDs on the endpoint\r
+ //\r
+ Status = XhcStopEndpoint(Xhc, SlotId, Dci, Urb);\r
+ if (EFI_ERROR(Status)) {\r
+ DEBUG ((EFI_D_ERROR, "XhcDequeueTrbFromEndpoint: Stop Endpoint Failed, Status = %r\n", Status));\r
+ goto Done;\r
+ }\r
+\r
+ //\r
+ // 2)Set dequeue pointer\r
+ //\r
+ if (Urb->Finished && Urb->Result == EFI_USB_NOERROR) {\r
+ //\r
+ // Return Already Started to indicate the pending URB is finished.\r
+ // This fixes BULK data loss when transfer is detected as timeout\r
+ // but finished just before stopping endpoint.\r
+ //\r
+ Status = EFI_ALREADY_STARTED;\r
+ DEBUG ((DEBUG_INFO, "XhcDequeueTrbFromEndpoint: Pending URB is finished: Length Actual/Expect = %d/%d!\n", Urb->Completed, Urb->DataLen));\r
+ } else {\r
+ Status = XhcSetTrDequeuePointer(Xhc, SlotId, Dci, Urb);\r
+ if (EFI_ERROR (Status)) {\r
+ DEBUG ((DEBUG_ERROR, "XhcDequeueTrbFromEndpoint: Set Transfer Ring Dequeue Pointer Failed, Status = %r\n", Status));\r
+ goto Done;\r
+ }\r
+ }\r
\r
//\r
// 3)Ring the doorbell to transit from stop to active\r
//\r
XhcRingDoorBell (Xhc, SlotId, Dci);\r
\r
+Done:\r
return Status;\r
}\r
\r
Create XHCI event ring.\r
\r
@param Xhc The XHCI Instance.\r
- @param EventInterrupter The interrupter of event.\r
@param EventRing The created event ring.\r
\r
**/\r
VOID\r
CreateEventRing (\r
IN USB_XHCI_INSTANCE *Xhc,\r
- IN UINT8 EventInterrupter,\r
OUT EVENT_RING *EventRing\r
)\r
{\r
VOID *Buf;\r
EVENT_RING_SEG_TABLE_ENTRY *ERSTBase;\r
+ UINTN Size;\r
+ EFI_PHYSICAL_ADDRESS ERSTPhy;\r
+ EFI_PHYSICAL_ADDRESS DequeuePhy;\r
\r
ASSERT (EventRing != NULL);\r
\r
- Buf = AllocatePages (EFI_SIZE_TO_PAGES (sizeof (TRB_TEMPLATE) * EVENT_RING_TRB_NUMBER));\r
+ Size = sizeof (TRB_TEMPLATE) * EVENT_RING_TRB_NUMBER;\r
+ Buf = UsbHcAllocateMem (Xhc->MemPool, Size);\r
ASSERT (Buf != NULL);\r
ASSERT (((UINTN) Buf & 0x3F) == 0);\r
- ZeroMem (Buf, sizeof (TRB_TEMPLATE) * EVENT_RING_TRB_NUMBER);\r
+ ZeroMem (Buf, Size);\r
\r
EventRing->EventRingSeg0 = Buf;\r
- EventRing->EventInterrupter = EventInterrupter;\r
EventRing->TrbNumber = EVENT_RING_TRB_NUMBER;\r
EventRing->EventRingDequeue = (TRB_TEMPLATE *) EventRing->EventRingSeg0;\r
EventRing->EventRingEnqueue = (TRB_TEMPLATE *) EventRing->EventRingSeg0;\r
+ \r
+ DequeuePhy = UsbHcGetPciAddrForHostAddr (Xhc->MemPool, Buf, Size);\r
+ \r
//\r
// Software maintains an Event Ring Consumer Cycle State (CCS) bit, initializing it to '1'\r
// and toggling it every time the Event Ring Dequeue Pointer wraps back to the beginning of the Event Ring.\r
//\r
EventRing->EventRingCCS = 1;\r
\r
- Buf = AllocatePages (EFI_SIZE_TO_PAGES (sizeof (EVENT_RING_SEG_TABLE_ENTRY) * ERST_NUMBER));\r
+ Size = sizeof (EVENT_RING_SEG_TABLE_ENTRY) * ERST_NUMBER;\r
+ Buf = UsbHcAllocateMem (Xhc->MemPool, Size);\r
ASSERT (Buf != NULL);\r
ASSERT (((UINTN) Buf & 0x3F) == 0);\r
- ZeroMem (Buf, sizeof (EVENT_RING_SEG_TABLE_ENTRY) * ERST_NUMBER);\r
+ ZeroMem (Buf, Size);\r
\r
ERSTBase = (EVENT_RING_SEG_TABLE_ENTRY *) Buf;\r
EventRing->ERSTBase = ERSTBase;\r
- ERSTBase->PtrLo = XHC_LOW_32BIT (EventRing->EventRingSeg0);\r
- ERSTBase->PtrHi = XHC_HIGH_32BIT (EventRing->EventRingSeg0);\r
+ ERSTBase->PtrLo = XHC_LOW_32BIT (DequeuePhy);\r
+ ERSTBase->PtrHi = XHC_HIGH_32BIT (DequeuePhy);\r
ERSTBase->RingTrbSize = EVENT_RING_TRB_NUMBER;\r
\r
+ ERSTPhy = UsbHcGetPciAddrForHostAddr (Xhc->MemPool, ERSTBase, Size);\r
+\r
//\r
// Program the Interrupter Event Ring Segment Table Size (ERSTSZ) register (5.5.2.3.1)\r
//\r
XhcWriteRuntimeReg (\r
Xhc,\r
- XHC_ERSTSZ_OFFSET + (32 * EventRing->EventInterrupter),\r
+ XHC_ERSTSZ_OFFSET,\r
ERST_NUMBER\r
);\r
//\r
// Program the Interrupter Event Ring Dequeue Pointer (ERDP) register (5.5.2.3.3)\r
//\r
- XhcWriteRuntimeReg64 (\r
+ // Some 3rd party XHCI external cards don't support single 64-bytes width register access,\r
+ // So divide it to two 32-bytes width register access.\r
+ //\r
+ XhcWriteRuntimeReg (\r
+ Xhc,\r
+ XHC_ERDP_OFFSET,\r
+ XHC_LOW_32BIT((UINT64)(UINTN)DequeuePhy)\r
+ );\r
+ XhcWriteRuntimeReg (\r
Xhc,\r
- XHC_ERDP_OFFSET + (32 * EventRing->EventInterrupter),\r
- (UINT64)(UINTN)EventRing->EventRingDequeue\r
+ XHC_ERDP_OFFSET + 4,\r
+ XHC_HIGH_32BIT((UINT64)(UINTN)DequeuePhy)\r
);\r
//\r
// Program the Interrupter Event Ring Segment Table Base Address (ERSTBA) register(5.5.2.3.2)\r
//\r
- XhcWriteRuntimeReg64 (\r
+ // Some 3rd party XHCI external cards don't support single 64-bytes width register access,\r
+ // So divide it to two 32-bytes width register access.\r
+ //\r
+ XhcWriteRuntimeReg (\r
Xhc,\r
- XHC_ERSTBA_OFFSET + (32 * EventRing->EventInterrupter),\r
- (UINT64)(UINTN)ERSTBase\r
+ XHC_ERSTBA_OFFSET,\r
+ XHC_LOW_32BIT((UINT64)(UINTN)ERSTPhy)\r
+ );\r
+ XhcWriteRuntimeReg (\r
+ Xhc,\r
+ XHC_ERSTBA_OFFSET + 4,\r
+ XHC_HIGH_32BIT((UINT64)(UINTN)ERSTPhy)\r
);\r
//\r
// Need set IMAN IE bit to enble the ring interrupt\r
//\r
- XhcSetRuntimeRegBit (Xhc, XHC_IMAN_OFFSET + (32 * EventRing->EventInterrupter), XHC_IMAN_IE);\r
+ XhcSetRuntimeRegBit (Xhc, XHC_IMAN_OFFSET, XHC_IMAN_IE);\r
}\r
\r
/**\r
{\r
VOID *Buf;\r
LINK_TRB *EndTrb;\r
+ EFI_PHYSICAL_ADDRESS PhyAddr;\r
\r
- Buf = AllocatePages (EFI_SIZE_TO_PAGES (sizeof (TRB_TEMPLATE) * TrbNum));\r
+ Buf = UsbHcAllocateMem (Xhc->MemPool, sizeof (TRB_TEMPLATE) * TrbNum);\r
ASSERT (Buf != NULL);\r
ASSERT (((UINTN) Buf & 0x3F) == 0);\r
ZeroMem (Buf, sizeof (TRB_TEMPLATE) * TrbNum);\r
//\r
EndTrb = (LINK_TRB *) ((UINTN)Buf + sizeof (TRB_TEMPLATE) * (TrbNum - 1));\r
EndTrb->Type = TRB_TYPE_LINK;\r
- EndTrb->PtrLo = XHC_LOW_32BIT (Buf);\r
- EndTrb->PtrHi = XHC_HIGH_32BIT (Buf);\r
+ PhyAddr = UsbHcGetPciAddrForHostAddr (Xhc->MemPool, Buf, sizeof (TRB_TEMPLATE) * TrbNum);\r
+ EndTrb->PtrLo = XHC_LOW_32BIT (PhyAddr);\r
+ EndTrb->PtrHi = XHC_HIGH_32BIT (PhyAddr);\r
//\r
// Toggle Cycle (TC). When set to '1', the xHC shall toggle its interpretation of the Cycle bit.\r
//\r
IN EVENT_RING *EventRing\r
)\r
{\r
- UINT8 Index;\r
- EVENT_RING_SEG_TABLE_ENTRY *TablePtr;\r
- VOID *RingBuf;\r
- EVENT_RING_SEG_TABLE_ENTRY *EventRingPtr;\r
-\r
if(EventRing->EventRingSeg0 == NULL) {\r
return EFI_SUCCESS;\r
}\r
\r
//\r
- // Get the Event Ring Segment Table base address\r
+ // Free EventRing Segment 0\r
//\r
- TablePtr = (EVENT_RING_SEG_TABLE_ENTRY *)(EventRing->ERSTBase);\r
+ UsbHcFreeMem (Xhc->MemPool, EventRing->EventRingSeg0, sizeof (TRB_TEMPLATE) * EVENT_RING_TRB_NUMBER);\r
\r
//\r
- // Get all the TRBs Ring and release\r
+ // Free ESRT table\r
//\r
- for (Index = 0; Index < ERST_NUMBER; Index++) {\r
- EventRingPtr = TablePtr + Index;\r
- RingBuf = (VOID *)(UINTN)(EventRingPtr->PtrLo | ((UINT64)EventRingPtr->PtrHi << 32));\r
-\r
- if(RingBuf != NULL) {\r
- FreePages (RingBuf, EFI_SIZE_TO_PAGES (sizeof (TRB_TEMPLATE) * EVENT_RING_TRB_NUMBER));\r
- ZeroMem (EventRingPtr, sizeof (EVENT_RING_SEG_TABLE_ENTRY));\r
- }\r
- }\r
-\r
- FreePages (TablePtr, EFI_SIZE_TO_PAGES (sizeof (EVENT_RING_SEG_TABLE_ENTRY) * ERST_NUMBER));\r
+ UsbHcFreeMem (Xhc->MemPool, EventRing->ERSTBase, sizeof (EVENT_RING_SEG_TABLE_ENTRY) * ERST_NUMBER);\r
return EFI_SUCCESS;\r
}\r
\r
IN USB_XHCI_INSTANCE *Xhc\r
)\r
{\r
- UINT32 Index;\r
- UINT64 *ScratchBuf;\r
-\r
+ UINT32 Index;\r
+ UINT64 *ScratchEntry;\r
+ \r
if (Xhc->ScratchBuf != NULL) {\r
- ScratchBuf = Xhc->ScratchBuf;\r
+ ScratchEntry = Xhc->ScratchEntry;\r
for (Index = 0; Index < Xhc->MaxScratchpadBufs; Index++) {\r
- FreeAlignedPages ((VOID*)(UINTN)*ScratchBuf++, EFI_SIZE_TO_PAGES (Xhc->PageSize));\r
+ //\r
+ // Free Scratchpad Buffers\r
+ //\r
+ UsbHcFreeAlignedPages (Xhc->PciIo, (VOID*)(UINTN)ScratchEntry[Index], EFI_SIZE_TO_PAGES (Xhc->PageSize), (VOID *) Xhc->ScratchEntryMap[Index]);\r
}\r
- FreeAlignedPages (Xhc->ScratchBuf, EFI_SIZE_TO_PAGES (Xhc->MaxScratchpadBufs * sizeof (UINT64)));\r
+ //\r
+ // Free Scratchpad Buffer Array\r
+ //\r
+ UsbHcFreeAlignedPages (Xhc->PciIo, Xhc->ScratchBuf, EFI_SIZE_TO_PAGES (Xhc->MaxScratchpadBufs * sizeof (UINT64)), Xhc->ScratchMap);\r
+ FreePool (Xhc->ScratchEntryMap);\r
+ FreePool (Xhc->ScratchEntry);\r
+ }\r
+\r
+ if (Xhc->CmdRing.RingSeg0 != NULL) {\r
+ UsbHcFreeMem (Xhc->MemPool, Xhc->CmdRing.RingSeg0, sizeof (TRB_TEMPLATE) * CMD_RING_TRB_NUMBER);\r
+ Xhc->CmdRing.RingSeg0 = NULL;\r
}\r
+ \r
+ XhcFreeEventRing (Xhc,&Xhc->EventRing);\r
\r
if (Xhc->DCBAA != NULL) {\r
- FreePages (Xhc->DCBAA, EFI_SIZE_TO_PAGES((Xhc->MaxSlotsEn + 1) * sizeof(UINT64)));\r
+ UsbHcFreeMem (Xhc->MemPool, Xhc->DCBAA, (Xhc->MaxSlotsEn + 1) * sizeof(UINT64));\r
Xhc->DCBAA = NULL;\r
}\r
-\r
- if (Xhc->CmdRing.RingSeg0 != NULL){\r
- FreePages (Xhc->CmdRing.RingSeg0, EFI_SIZE_TO_PAGES (sizeof (TRB_TEMPLATE) * CMD_RING_TRB_NUMBER));\r
- Xhc->CmdRing.RingSeg0 = NULL;\r
+ \r
+ //\r
+ // Free memory pool at last\r
+ //\r
+ if (Xhc->MemPool != NULL) {\r
+ UsbHcFreeMemPool (Xhc->MemPool);\r
+ Xhc->MemPool = NULL;\r
}\r
-\r
- XhcFreeEventRing (Xhc,&Xhc->CmdEventRing);\r
- XhcFreeEventRing (Xhc,&Xhc->CtrlTrEventRing);\r
- XhcFreeEventRing (Xhc,&Xhc->BulkTrEventRing);\r
- XhcFreeEventRing (Xhc,&Xhc->AsynIntTrEventRing);\r
- XhcFreeEventRing (Xhc,&Xhc->IntTrEventRing);\r
}\r
\r
/**\r
- Check if it is ring TRB.\r
+ Check if the Trb is a transaction of the URB.\r
\r
- @param Ring The transfer ring\r
- @param Trb The TRB to check if it's in the transfer ring\r
+ @param Trb The TRB to be checked\r
+ @param Urb The URB to be checked.\r
\r
- @retval TRUE It is in the ring\r
- @retval FALSE It is not in the ring\r
+ @retval TRUE It is a transaction of the URB.\r
+ @retval FALSE It is not any transaction of the URB.\r
\r
**/\r
BOOLEAN\r
IsTransferRingTrb (\r
- IN TRANSFER_RING *Ring,\r
- IN TRB_TEMPLATE *Trb\r
+ IN USB_XHCI_INSTANCE *Xhc,\r
+ IN TRB_TEMPLATE *Trb,\r
+ IN URB *Urb\r
)\r
{\r
- BOOLEAN Flag;\r
- TRB_TEMPLATE *Trb1;\r
+ LINK_TRB *LinkTrb;\r
+ TRB_TEMPLATE *CheckedTrb;\r
UINTN Index;\r
+ EFI_PHYSICAL_ADDRESS PhyAddr;\r
+\r
+ CheckedTrb = Urb->TrbStart;\r
+ for (Index = 0; Index < Urb->TrbNum; Index++) {\r
+ if (Trb == CheckedTrb) {\r
+ return TRUE;\r
+ }\r
+ CheckedTrb++;\r
+ //\r
+ // If the checked TRB is the link TRB at the end of the transfer ring,\r
+ // recircle it to the head of the ring.\r
+ //\r
+ if (CheckedTrb->Type == TRB_TYPE_LINK) {\r
+ LinkTrb = (LINK_TRB *) CheckedTrb;\r
+ PhyAddr = (EFI_PHYSICAL_ADDRESS)(LinkTrb->PtrLo | LShiftU64 ((UINT64) LinkTrb->PtrHi, 32));\r
+ CheckedTrb = (TRB_TEMPLATE *)(UINTN) UsbHcGetHostAddrForPciAddr (Xhc->MemPool, (VOID *)(UINTN) PhyAddr, sizeof (TRB_TEMPLATE));\r
+ ASSERT (CheckedTrb == Urb->Ring->RingSeg0);\r
+ }\r
+ }\r
\r
- Trb1 = Ring->RingSeg0;\r
- Flag = FALSE;\r
+ return FALSE;\r
+}\r
\r
- ASSERT (Ring->TrbNumber == CMD_RING_TRB_NUMBER || Ring->TrbNumber == TR_RING_TRB_NUMBER);\r
+/**\r
+ Check if the Trb is a transaction of the URBs in XHCI's asynchronous transfer list.\r
\r
- for (Index = 0; Index < Ring->TrbNumber; Index++) {\r
- if (Trb == Trb1) {\r
- Flag = TRUE;\r
- break;\r
+ @param Xhc The XHCI Instance.\r
+ @param Trb The TRB to be checked.\r
+ @param Urb The pointer to the matched Urb.\r
+\r
+ @retval TRUE The Trb is matched with a transaction of the URBs in the async list.\r
+ @retval FALSE The Trb is not matched with any URBs in the async list.\r
+\r
+**/\r
+BOOLEAN\r
+IsAsyncIntTrb (\r
+ IN USB_XHCI_INSTANCE *Xhc,\r
+ IN TRB_TEMPLATE *Trb,\r
+ OUT URB **Urb\r
+ )\r
+{\r
+ LIST_ENTRY *Entry;\r
+ LIST_ENTRY *Next;\r
+ URB *CheckedUrb;\r
+\r
+ EFI_LIST_FOR_EACH_SAFE (Entry, Next, &Xhc->AsyncIntTransfers) {\r
+ CheckedUrb = EFI_LIST_CONTAINER (Entry, URB, UrbList);\r
+ if (IsTransferRingTrb (Xhc, Trb, CheckedUrb)) {\r
+ *Urb = CheckedUrb;\r
+ return TRUE;\r
}\r
- Trb1++;\r
}\r
\r
- return Flag;\r
+ return FALSE;\r
}\r
\r
+\r
/**\r
Check the URB's execution result and update the URB's\r
result accordingly.\r
@return Whether the result of URB transfer is finialized.\r
\r
**/\r
-EFI_STATUS\r
+BOOLEAN\r
XhcCheckUrbResult (\r
IN USB_XHCI_INSTANCE *Xhc,\r
IN URB *Urb\r
)\r
{\r
- BOOLEAN StartDone;\r
- BOOLEAN EndDone;\r
EVT_TRB_TRANSFER *EvtTrb;\r
TRB_TEMPLATE *TRBPtr;\r
UINTN Index;\r
UINT8 TRBType;\r
EFI_STATUS Status;\r
+ URB *AsyncUrb;\r
+ URB *CheckedUrb;\r
+ UINT64 XhcDequeue;\r
+ UINT32 High;\r
+ UINT32 Low;\r
+ EFI_PHYSICAL_ADDRESS PhyAddr;\r
\r
ASSERT ((Xhc != NULL) && (Urb != NULL));\r
\r
- Urb->Completed = 0;\r
- Urb->Result = EFI_USB_NOERROR;\r
- Status = EFI_SUCCESS;\r
- EvtTrb = NULL;\r
+ Status = EFI_SUCCESS;\r
+ AsyncUrb = NULL;\r
+\r
+ if (Urb->Finished) {\r
+ goto EXIT;\r
+ }\r
+\r
+ EvtTrb = NULL;\r
\r
if (XhcIsHalt (Xhc) || XhcIsSysError (Xhc)) {\r
Urb->Result |= EFI_USB_ERR_SYSTEM;\r
- Status = EFI_DEVICE_ERROR;\r
goto EXIT;\r
}\r
\r
//\r
- // Restore the EventRingDequeue and poll the transfer event ring from beginning\r
+ // Traverse the event ring to find out all new events from the previous check.\r
//\r
- StartDone = FALSE;\r
- EndDone = FALSE;\r
- Urb->EvtRing->EventRingDequeue = Urb->EvtTrbStart;\r
- for (Index = 0; Index < Urb->EvtRing->TrbNumber; Index++) {\r
- XhcSyncEventRing (Xhc, Urb->EvtRing);\r
- Status = XhcCheckNewEvent (Xhc, Urb->EvtRing, ((TRB_TEMPLATE **)&EvtTrb));\r
+ XhcSyncEventRing (Xhc, &Xhc->EventRing);\r
+ for (Index = 0; Index < Xhc->EventRing.TrbNumber; Index++) {\r
+ Status = XhcCheckNewEvent (Xhc, &Xhc->EventRing, ((TRB_TEMPLATE **)&EvtTrb));\r
if (Status == EFI_NOT_READY) {\r
- Urb->Result |= EFI_USB_ERR_TIMEOUT;\r
+ //\r
+ // All new events are handled, return directly.\r
+ //\r
goto EXIT;\r
}\r
\r
- TRBPtr = (TRB_TEMPLATE *)(UINTN)(EvtTrb->TRBPtrLo | (UINT64) EvtTrb->TRBPtrHi << 32);\r
+ //\r
+ // Only handle COMMAND_COMPLETETION_EVENT and TRANSFER_EVENT.\r
+ //\r
+ if ((EvtTrb->Type != TRB_TYPE_COMMAND_COMPLT_EVENT) && (EvtTrb->Type != TRB_TYPE_TRANS_EVENT)) {\r
+ continue;\r
+ }\r
+ \r
+ //\r
+ // Need convert pci device address to host address\r
+ //\r
+ PhyAddr = (EFI_PHYSICAL_ADDRESS)(EvtTrb->TRBPtrLo | LShiftU64 ((UINT64) EvtTrb->TRBPtrHi, 32));\r
+ TRBPtr = (TRB_TEMPLATE *)(UINTN) UsbHcGetHostAddrForPciAddr (Xhc->MemPool, (VOID *)(UINTN) PhyAddr, sizeof (TRB_TEMPLATE));\r
\r
+ //\r
+ // Update the status of URB including the pending URB, the URB that is currently checked,\r
+ // and URBs in the XHCI's async interrupt transfer list.\r
+ // This way is used to avoid that those completed async transfer events don't get\r
+ // handled in time and are flushed by newer coming events.\r
+ //\r
+ if (Xhc->PendingUrb != NULL && IsTransferRingTrb (Xhc, TRBPtr, Xhc->PendingUrb)) {\r
+ CheckedUrb = Xhc->PendingUrb;\r
+ } else if (IsTransferRingTrb (Xhc, TRBPtr, Urb)) {\r
+ CheckedUrb = Urb;\r
+ } else if (IsAsyncIntTrb (Xhc, TRBPtr, &AsyncUrb)) { \r
+ CheckedUrb = AsyncUrb;\r
+ } else {\r
+ continue;\r
+ }\r
+ \r
switch (EvtTrb->Completecode) {\r
case TRB_COMPLETION_STALL_ERROR:\r
- Urb->Result |= EFI_USB_ERR_STALL;\r
- Status = EFI_DEVICE_ERROR;\r
+ CheckedUrb->Result |= EFI_USB_ERR_STALL;\r
+ CheckedUrb->Finished = TRUE;\r
DEBUG ((EFI_D_ERROR, "XhcCheckUrbResult: STALL_ERROR! Completecode = %x\n",EvtTrb->Completecode));\r
goto EXIT;\r
- break;\r
\r
case TRB_COMPLETION_BABBLE_ERROR:\r
- Urb->Result |= EFI_USB_ERR_BABBLE;\r
- Status = EFI_DEVICE_ERROR;\r
+ CheckedUrb->Result |= EFI_USB_ERR_BABBLE;\r
+ CheckedUrb->Finished = TRUE;\r
DEBUG ((EFI_D_ERROR, "XhcCheckUrbResult: BABBLE_ERROR! Completecode = %x\n",EvtTrb->Completecode));\r
goto EXIT;\r
- break;\r
\r
case TRB_COMPLETION_DATA_BUFFER_ERROR:\r
- Urb->Result |= EFI_USB_ERR_BUFFER;\r
- Status = EFI_DEVICE_ERROR;\r
+ CheckedUrb->Result |= EFI_USB_ERR_BUFFER;\r
+ CheckedUrb->Finished = TRUE;\r
DEBUG ((EFI_D_ERROR, "XhcCheckUrbResult: ERR_BUFFER! Completecode = %x\n",EvtTrb->Completecode));\r
goto EXIT;\r
- break;\r
\r
case TRB_COMPLETION_USB_TRANSACTION_ERROR:\r
- Urb->Result |= EFI_USB_ERR_TIMEOUT;\r
- Status = EFI_DEVICE_ERROR;\r
+ CheckedUrb->Result |= EFI_USB_ERR_TIMEOUT;\r
+ CheckedUrb->Finished = TRUE;\r
DEBUG ((EFI_D_ERROR, "XhcCheckUrbResult: TRANSACTION_ERROR! Completecode = %x\n",EvtTrb->Completecode));\r
goto EXIT;\r
- break;\r
+\r
+ case TRB_COMPLETION_STOPPED:\r
+ case TRB_COMPLETION_STOPPED_LENGTH_INVALID:\r
+ CheckedUrb->Result |= EFI_USB_ERR_TIMEOUT;\r
+ CheckedUrb->Finished = TRUE;\r
+ //\r
+ // The pending URB is timeout and force stopped when stopping endpoint.\r
+ // Continue the loop to receive the Command Complete Event for stopping endpoint.\r
+ //\r
+ continue;\r
\r
case TRB_COMPLETION_SHORT_PACKET:\r
case TRB_COMPLETION_SUCCESS:\r
- if (IsTransferRingTrb (Urb->Ring, TRBPtr)) {\r
- if (EvtTrb->Completecode == TRB_COMPLETION_SHORT_PACKET) {\r
- DEBUG ((EFI_D_ERROR, "XhcCheckUrbResult: short packet happens!\n"));\r
- }\r
- TRBType = (UINT8) (TRBPtr->Type);\r
- if ((TRBType == TRB_TYPE_DATA_STAGE) ||\r
- (TRBType == TRB_TYPE_NORMAL) ||\r
- (TRBType == TRB_TYPE_ISOCH)) {\r
- Urb->Completed += (Urb->DataLen - EvtTrb->Lenth);\r
- }\r
+ if (EvtTrb->Completecode == TRB_COMPLETION_SHORT_PACKET) {\r
+ DEBUG ((EFI_D_VERBOSE, "XhcCheckUrbResult: short packet happens!\n"));\r
+ }\r
+\r
+ TRBType = (UINT8) (TRBPtr->Type);\r
+ if ((TRBType == TRB_TYPE_DATA_STAGE) ||\r
+ (TRBType == TRB_TYPE_NORMAL) ||\r
+ (TRBType == TRB_TYPE_ISOCH)) {\r
+ CheckedUrb->Completed += (((TRANSFER_TRB_NORMAL*)TRBPtr)->Length - EvtTrb->Length);\r
}\r
- Status = EFI_SUCCESS;\r
+\r
break;\r
\r
default:\r
DEBUG ((EFI_D_ERROR, "Transfer Default Error Occur! Completecode = 0x%x!\n",EvtTrb->Completecode));\r
- Urb->Result |= EFI_USB_ERR_TIMEOUT;\r
- Status = EFI_DEVICE_ERROR;\r
+ CheckedUrb->Result |= EFI_USB_ERR_TIMEOUT;\r
+ CheckedUrb->Finished = TRUE;\r
goto EXIT;\r
- break;\r
}\r
\r
//\r
// Only check first and end Trb event address\r
//\r
- if (TRBPtr == Urb->TrbStart) {\r
- StartDone = TRUE;\r
+ if (TRBPtr == CheckedUrb->TrbStart) {\r
+ CheckedUrb->StartDone = TRUE;\r
}\r
\r
- if (TRBPtr == Urb->TrbEnd) {\r
- EndDone = TRUE;\r
+ if (TRBPtr == CheckedUrb->TrbEnd) {\r
+ CheckedUrb->EndDone = TRUE;\r
}\r
\r
- if (StartDone && EndDone) {\r
- break;\r
+ if (CheckedUrb->StartDone && CheckedUrb->EndDone) {\r
+ CheckedUrb->Finished = TRUE;\r
+ CheckedUrb->EvtTrb = (TRB_TEMPLATE *)EvtTrb;\r
}\r
}\r
\r
EXIT:\r
- return Status;\r
+\r
+ //\r
+ // Advance event ring to last available entry\r
+ //\r
+ // Some 3rd party XHCI external cards don't support single 64-bytes width register access,\r
+ // So divide it to two 32-bytes width register access.\r
+ //\r
+ Low = XhcReadRuntimeReg (Xhc, XHC_ERDP_OFFSET);\r
+ High = XhcReadRuntimeReg (Xhc, XHC_ERDP_OFFSET + 4);\r
+ XhcDequeue = (UINT64)(LShiftU64((UINT64)High, 32) | Low);\r
+\r
+ PhyAddr = UsbHcGetPciAddrForHostAddr (Xhc->MemPool, Xhc->EventRing.EventRingDequeue, sizeof (TRB_TEMPLATE));\r
+\r
+ if ((XhcDequeue & (~0x0F)) != (PhyAddr & (~0x0F))) {\r
+ //\r
+ // Some 3rd party XHCI external cards don't support single 64-bytes width register access,\r
+ // So divide it to two 32-bytes width register access.\r
+ //\r
+ XhcWriteRuntimeReg (Xhc, XHC_ERDP_OFFSET, XHC_LOW_32BIT (PhyAddr) | BIT3);\r
+ XhcWriteRuntimeReg (Xhc, XHC_ERDP_OFFSET + 4, XHC_HIGH_32BIT (PhyAddr));\r
+ }\r
+\r
+ return Urb->Finished;\r
}\r
\r
\r
{\r
EFI_STATUS Status;\r
UINTN Index;\r
- UINTN Loop;\r
+ UINT64 Loop;\r
UINT8 SlotId;\r
UINT8 Dci;\r
+ BOOLEAN Finished;\r
\r
if (CmdTransfer) {\r
SlotId = 0;\r
Dci = 0;\r
} else {\r
- SlotId = XhcDevAddrToSlotId(Xhc, Urb->Ep.DevAddr);\r
- Dci = XhcEndpointToDci(Urb->Ep.EpAddr, (UINT8)(Urb->Ep.Direction));\r
+ SlotId = XhcBusDevAddrToSlotId (Xhc, Urb->Ep.BusAddr);\r
+ if (SlotId == 0) {\r
+ return EFI_DEVICE_ERROR;\r
+ }\r
+ Dci = XhcEndpointToDci (Urb->Ep.EpAddr, (UINT8)(Urb->Ep.Direction));\r
+ ASSERT (Dci < 32);\r
}\r
\r
Status = EFI_SUCCESS;\r
- Loop = (Timeout * XHC_1_MILLISECOND / XHC_POLL_DELAY) + 1;\r
+ Loop = Timeout * XHC_1_MILLISECOND;\r
if (Timeout == 0) {\r
Loop = 0xFFFFFFFF;\r
}\r
XhcRingDoorBell (Xhc, SlotId, Dci);\r
\r
for (Index = 0; Index < Loop; Index++) {\r
- Status = XhcCheckUrbResult (Xhc, Urb);\r
- if ((Status != EFI_NOT_READY)) {\r
+ Finished = XhcCheckUrbResult (Xhc, Urb);\r
+ if (Finished) {\r
break;\r
}\r
- gBS->Stall (XHC_POLL_DELAY);\r
+ gBS->Stall (XHC_1_MICROSECOND);\r
+ }\r
+\r
+ if (Index == Loop) {\r
+ Urb->Result = EFI_USB_ERR_TIMEOUT;\r
+ Status = EFI_TIMEOUT;\r
+ } else if (Urb->Result != EFI_USB_NOERROR) {\r
+ Status = EFI_DEVICE_ERROR;\r
}\r
\r
return Status;\r
the device and endpoint.\r
\r
@param Xhc The XHCI Instance.\r
- @param DevAddr The address of the target device.\r
+ @param BusAddr The logical device address assigned by UsbBus driver.\r
@param EpNum The endpoint of the target.\r
\r
@retval EFI_SUCCESS An asynchronous transfer is removed.\r
EFI_STATUS\r
XhciDelAsyncIntTransfer (\r
IN USB_XHCI_INSTANCE *Xhc,\r
- IN UINT8 DevAddr,\r
+ IN UINT8 BusAddr,\r
IN UINT8 EpNum\r
)\r
{\r
LIST_ENTRY *Next;\r
URB *Urb;\r
EFI_USB_DATA_DIRECTION Direction;\r
+ EFI_STATUS Status;\r
\r
Direction = ((EpNum & 0x80) != 0) ? EfiUsbDataIn : EfiUsbDataOut;\r
EpNum &= 0x0F;\r
\r
- Urb = NULL;\r
+ Urb = NULL;\r
\r
EFI_LIST_FOR_EACH_SAFE (Entry, Next, &Xhc->AsyncIntTransfers) {\r
Urb = EFI_LIST_CONTAINER (Entry, URB, UrbList);\r
- if ((Urb->Ep.DevAddr == DevAddr) &&\r
+ if ((Urb->Ep.BusAddr == BusAddr) &&\r
(Urb->Ep.EpAddr == EpNum) &&\r
(Urb->Ep.Direction == Direction)) {\r
+ //\r
+ // Device doesn't finish the IntTransfer until real data comes\r
+ // So the TRB should be removed as well.\r
+ //\r
+ Status = XhcDequeueTrbFromEndpoint (Xhc, Urb);\r
+ if (EFI_ERROR (Status)) {\r
+ DEBUG ((EFI_D_ERROR, "XhciDelAsyncIntTransfer: XhcDequeueTrbFromEndpoint failed\n"));\r
+ }\r
+\r
RemoveEntryList (&Urb->UrbList);\r
FreePool (Urb->Data);\r
- FreePool (Urb);\r
+ XhcFreeUrb (Xhc, Urb);\r
return EFI_SUCCESS;\r
}\r
}\r
LIST_ENTRY *Entry;\r
LIST_ENTRY *Next;\r
URB *Urb;\r
+ EFI_STATUS Status;\r
\r
EFI_LIST_FOR_EACH_SAFE (Entry, Next, &Xhc->AsyncIntTransfers) {\r
Urb = EFI_LIST_CONTAINER (Entry, URB, UrbList);\r
+\r
+ //\r
+ // Device doesn't finish the IntTransfer until real data comes\r
+ // So the TRB should be removed as well.\r
+ //\r
+ Status = XhcDequeueTrbFromEndpoint (Xhc, Urb);\r
+ if (EFI_ERROR (Status)) {\r
+ DEBUG ((EFI_D_ERROR, "XhciDelAllAsyncIntTransfers: XhcDequeueTrbFromEndpoint failed\n"));\r
+ }\r
+\r
RemoveEntryList (&Urb->UrbList);\r
FreePool (Urb->Data);\r
- FreePool (Urb);\r
+ XhcFreeUrb (Xhc, Urb);\r
}\r
}\r
\r
\r
if (Urb->Result == EFI_USB_NOERROR) {\r
Status = XhcCreateTransferTrb (Xhc, Urb);\r
- ASSERT_EFI_ERROR (Status);\r
+ if (EFI_ERROR (Status)) {\r
+ return;\r
+ }\r
Status = RingIntTransferDoorBell (Xhc, Urb);\r
- ASSERT_EFI_ERROR (Status);\r
+ if (EFI_ERROR (Status)) {\r
+ return;\r
+ }\r
}\r
}\r
\r
-\r
/**\r
- Interrupt transfer periodic check handler.\r
+ Flush data from PCI controller specific address to mapped system\r
+ memory address.\r
\r
- @param Event Interrupt event.\r
- @param Context Pointer to USB_XHCI_INSTANCE.\r
+ @param Xhc The XHCI device.\r
+ @param Urb The URB to unmap.\r
+\r
+ @retval EFI_SUCCESS Success to flush data to mapped system memory.\r
+ @retval EFI_DEVICE_ERROR Fail to flush data to mapped system memory.\r
\r
**/\r
-VOID\r
+EFI_STATUS\r
+XhcFlushAsyncIntMap (\r
+ IN USB_XHCI_INSTANCE *Xhc,\r
+ IN URB *Urb\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ EFI_PHYSICAL_ADDRESS PhyAddr;\r
+ EFI_PCI_IO_PROTOCOL_OPERATION MapOp;\r
+ EFI_PCI_IO_PROTOCOL *PciIo;\r
+ UINTN Len;\r
+ VOID *Map;\r
+\r
+ PciIo = Xhc->PciIo;\r
+ Len = Urb->DataLen;\r
+\r
+ if (Urb->Ep.Direction == EfiUsbDataIn) {\r
+ MapOp = EfiPciIoOperationBusMasterWrite;\r
+ } else {\r
+ MapOp = EfiPciIoOperationBusMasterRead;\r
+ }\r
+\r
+ if (Urb->DataMap != NULL) {\r
+ Status = PciIo->Unmap (PciIo, Urb->DataMap);\r
+ if (EFI_ERROR (Status)) {\r
+ goto ON_ERROR;\r
+ }\r
+ }\r
+\r
+ Urb->DataMap = NULL;\r
+\r
+ Status = PciIo->Map (PciIo, MapOp, Urb->Data, &Len, &PhyAddr, &Map);\r
+ if (EFI_ERROR (Status) || (Len != Urb->DataLen)) {\r
+ goto ON_ERROR;\r
+ }\r
+\r
+ Urb->DataPhy = (VOID *) ((UINTN) PhyAddr);\r
+ Urb->DataMap = Map;\r
+ return EFI_SUCCESS;\r
+\r
+ON_ERROR:\r
+ return EFI_DEVICE_ERROR;\r
+}\r
+\r
+/**\r
+ Interrupt transfer periodic check handler.\r
+\r
+ @param Event Interrupt event.\r
+ @param Context Pointer to USB_XHCI_INSTANCE.\r
+\r
+**/\r
+VOID\r
EFIAPI\r
XhcMonitorAsyncRequests (\r
IN EFI_EVENT Event,\r
//\r
// Make sure that the device is available before every check.\r
//\r
- SlotId = XhcDevAddrToSlotId(Xhc, Urb->Ep.DevAddr);\r
+ SlotId = XhcBusDevAddrToSlotId (Xhc, Urb->Ep.BusAddr);\r
if (SlotId == 0) {\r
continue;\r
}\r
// Check the result of URB execution. If it is still\r
// active, check the next one.\r
//\r
- Status = XhcCheckUrbResult (Xhc, Urb);\r
+ XhcCheckUrbResult (Xhc, Urb);\r
\r
- if (Status == EFI_NOT_READY) {\r
+ if (!Urb->Finished) {\r
continue;\r
}\r
\r
+ //\r
+ // Flush any PCI posted write transactions from a PCI host\r
+ // bridge to system memory.\r
+ //\r
+ Status = XhcFlushAsyncIntMap (Xhc, Urb);\r
+ if (EFI_ERROR (Status)) {\r
+ DEBUG ((EFI_D_ERROR, "XhcMonitorAsyncRequests: Fail to Flush AsyncInt Mapped Memeory\n"));\r
+ }\r
+\r
//\r
// Allocate a buffer then copy the transferred data for user.\r
// If failed to allocate the buffer, update the URB for next\r
CopyMem (ProcBuf, Urb->Data, Urb->Completed);\r
}\r
\r
- XhcUpdateAsyncRequest (Xhc, Urb);\r
-\r
//\r
// Leave error recovery to its related device driver. A\r
// common case of the error recovery is to re-submit the\r
if (ProcBuf != NULL) {\r
gBS->FreePool (ProcBuf);\r
}\r
+\r
+ XhcUpdateAsyncRequest (Xhc, Urb);\r
}\r
gBS->RestoreTPL (OldTpl);\r
}\r
\r
Status = EFI_SUCCESS;\r
\r
+ if ((PortState->PortChangeStatus & (USB_PORT_STAT_C_CONNECTION | USB_PORT_STAT_C_ENABLE | USB_PORT_STAT_C_OVERCURRENT | USB_PORT_STAT_C_RESET)) == 0) {\r
+ return EFI_SUCCESS;\r
+ }\r
+\r
if (ParentRouteChart.Dword == 0) {\r
RouteChart.Route.RouteString = 0;\r
RouteChart.Route.RootPortNum = Port + 1;\r
RouteChart.Route.TierNum = ParentRouteChart.Route.TierNum + 1;\r
}\r
\r
+ SlotId = XhcRouteStringToSlotId (Xhc, RouteChart);\r
+ if (SlotId != 0) {\r
+ if (Xhc->HcCParams.Data.Csz == 0) {\r
+ Status = XhcDisableSlotCmd (Xhc, SlotId);\r
+ } else {\r
+ Status = XhcDisableSlotCmd64 (Xhc, SlotId);\r
+ }\r
+ }\r
+\r
if (((PortState->PortStatus & USB_PORT_STAT_ENABLE) != 0) &&\r
((PortState->PortStatus & USB_PORT_STAT_CONNECTION) != 0)) {\r
//\r
// Execute Enable_Slot cmd for attached device, initialize device context and assign device address.\r
//\r
SlotId = XhcRouteStringToSlotId (Xhc, RouteChart);\r
- if (SlotId == 0) {\r
- Status = XhcInitializeDeviceSlot (Xhc, ParentRouteChart, Port, RouteChart, Speed);\r
- ASSERT_EFI_ERROR (Status);\r
- }\r
- } else if ((PortState->PortStatus & USB_PORT_STAT_CONNECTION) == 0) {\r
- //\r
- // Device is detached. Disable the allocated device slot and release resource.\r
- //\r
- SlotId = XhcRouteStringToSlotId (Xhc, RouteChart);\r
- if (SlotId != 0) {\r
- Status = XhcDisableSlotCmd (Xhc, SlotId);\r
- ASSERT_EFI_ERROR (Status);\r
+ if ((SlotId == 0) && ((PortState->PortChangeStatus & USB_PORT_STAT_C_RESET) != 0)) {\r
+ if (Xhc->HcCParams.Data.Csz == 0) {\r
+ Status = XhcInitializeDeviceSlot (Xhc, ParentRouteChart, Port, RouteChart, Speed);\r
+ } else {\r
+ Status = XhcInitializeDeviceSlot64 (Xhc, ParentRouteChart, Port, RouteChart, Speed);\r
+ }\r
}\r
- }\r
+ } \r
+\r
return Status;\r
}\r
\r
}\r
}\r
\r
-/**\r
- Find out the slot id according to device address assigned by XHCI's Address_Device cmd.\r
-\r
- @param Xhc The XHCI Instance.\r
- @param DevAddr The device address of the target device.\r
-\r
- @return The slot id used by the device.\r
-\r
-**/\r
-UINT8\r
-XhcDevAddrToSlotId (\r
- IN USB_XHCI_INSTANCE *Xhc,\r
- IN UINT8 DevAddr\r
- )\r
-{\r
- UINT8 Index;\r
-\r
- for (Index = 0; Index < 255; Index++) {\r
- if (Xhc->UsbDevContext[Index + 1].Enabled &&\r
- (Xhc->UsbDevContext[Index + 1].SlotId != 0) &&\r
- (Xhc->UsbDevContext[Index + 1].XhciDevAddr == DevAddr)) {\r
- break;\r
- }\r
- }\r
-\r
- if (Index == 255) {\r
- return 0;\r
- }\r
-\r
- return Xhc->UsbDevContext[Index + 1].SlotId;\r
-}\r
-\r
/**\r
Find out the actual device address according to the requested device address from UsbBus.\r
\r
{\r
UINTN Index;\r
TRB_TEMPLATE *EvtTrb1;\r
- TRB_TEMPLATE *EvtTrb2;\r
- TRB_TEMPLATE *XhcDequeue;\r
\r
ASSERT (EvtRing != NULL);\r
\r
// Calculate the EventRingEnqueue and EventRingCCS.\r
// Note: only support single Segment\r
//\r
- EvtTrb1 = EvtRing->EventRingSeg0;\r
- EvtTrb2 = EvtRing->EventRingSeg0;\r
+ EvtTrb1 = EvtRing->EventRingDequeue;\r
\r
for (Index = 0; Index < EvtRing->TrbNumber; Index++) {\r
- if (EvtTrb1->CycleBit != EvtTrb2->CycleBit) {\r
+ if (EvtTrb1->CycleBit != EvtRing->EventRingCCS) {\r
break;\r
}\r
+\r
EvtTrb1++;\r
+\r
+ if ((UINTN)EvtTrb1 >= ((UINTN) EvtRing->EventRingSeg0 + sizeof (TRB_TEMPLATE) * EvtRing->TrbNumber)) {\r
+ EvtTrb1 = EvtRing->EventRingSeg0;\r
+ EvtRing->EventRingCCS = (EvtRing->EventRingCCS) ? 0 : 1;\r
+ }\r
}\r
\r
if (Index < EvtRing->TrbNumber) {\r
EvtRing->EventRingEnqueue = EvtTrb1;\r
- EvtRing->EventRingCCS = (EvtTrb2->CycleBit) ? 1 : 0;\r
} else {\r
- EvtRing->EventRingEnqueue = EvtTrb2;\r
- EvtRing->EventRingCCS = (EvtTrb2->CycleBit) ? 0 : 1;\r
- }\r
-\r
- //\r
- // Apply the EventRingDequeue to Xhc\r
- //\r
- XhcDequeue = (TRB_TEMPLATE *)(UINTN) XhcReadRuntimeReg64 (\r
- Xhc,\r
- XHC_ERDP_OFFSET + (32 * EvtRing->EventInterrupter)\r
- );\r
-\r
- if (((UINT64)(UINTN)XhcDequeue & (~0x0F)) != ((UINT64)(UINTN)EvtRing->EventRingDequeue & (~0x0F))) {\r
- XhcWriteRuntimeReg64 (\r
- Xhc,\r
- XHC_ERDP_OFFSET + (32 * EvtRing->EventInterrupter),\r
- (UINT64)(UINTN)EvtRing->EventRingDequeue | BIT3\r
- );\r
+ ASSERT (FALSE);\r
}\r
\r
return EFI_SUCCESS;\r
// Toggle PCS maintained by software\r
//\r
TrsRing->RingPCS = (TrsRing->RingPCS & BIT0) ? 0 : 1;\r
- TrsTrb = (TRB_TEMPLATE *)(UINTN)((TrsTrb->Parameter1 | ((UINT64)TrsTrb->Parameter2 << 32)) & ~0x0F);\r
+ TrsTrb = (TRB_TEMPLATE *) TrsRing->RingSeg0; // Use host address\r
}\r
}\r
\r
OUT TRB_TEMPLATE **NewEvtTrb\r
)\r
{\r
- EFI_STATUS Status;\r
- TRB_TEMPLATE*EvtTrb;\r
-\r
ASSERT (EvtRing != NULL);\r
\r
- EvtTrb = EvtRing->EventRingDequeue;\r
*NewEvtTrb = EvtRing->EventRingDequeue;\r
\r
if (EvtRing->EventRingDequeue == EvtRing->EventRingEnqueue) {\r
return EFI_NOT_READY;\r
}\r
\r
- Status = EFI_SUCCESS;\r
-\r
- if (((EvtTrb->Status >> 24) & 0xFF) != TRB_COMPLETION_SUCCESS) {\r
- Status = EFI_DEVICE_ERROR;\r
- }\r
-\r
EvtRing->EventRingDequeue++;\r
//\r
// If the dequeue pointer is beyond the ring, then roll-back it to the begining of the ring.\r
//\r
- if ((UINTN)EvtRing->EventRingDequeue >= ((UINTN) EvtRing->EventRingSeg0 + sizeof (TRB_TEMPLATE) * EvtRing->TrbNumber)) {\r
+ if ((UINTN)EvtRing->EventRingDequeue >= ((UINTN) EvtRing->EventRingSeg0 + sizeof (TRB_TEMPLATE) * EvtRing->TrbNumber)) {\r
EvtRing->EventRingDequeue = EvtRing->EventRingSeg0;\r
}\r
\r
- return Status;\r
+ return EFI_SUCCESS;\r
}\r
\r
/**\r
UINT8 SlotId;\r
UINT8 Dci;\r
\r
- SlotId = XhcDevAddrToSlotId(Xhc, Urb->Ep.DevAddr);\r
- Dci = XhcEndpointToDci(Urb->Ep.EpAddr, (UINT8)(Urb->Ep.Direction));\r
+ SlotId = XhcBusDevAddrToSlotId (Xhc, Urb->Ep.BusAddr);\r
+ Dci = XhcEndpointToDci (Urb->Ep.EpAddr, (UINT8)(Urb->Ep.Direction));\r
XhcRingDoorBell (Xhc, SlotId, Dci);\r
return EFI_SUCCESS;\r
}\r
UINT8 SlotId;\r
UINT8 ParentSlotId;\r
DEVICE_CONTEXT *ParentDeviceContext;\r
+ EFI_PHYSICAL_ADDRESS PhyAddr;\r
\r
ZeroMem (&CmdTrb, sizeof (CMD_TRB_ENABLE_SLOT));\r
CmdTrb.CycleBit = 1;\r
XHC_GENERIC_TIMEOUT,\r
(TRB_TEMPLATE **) (UINTN) &EvtTrb\r
);\r
- ASSERT_EFI_ERROR (Status);\r
+ if (EFI_ERROR (Status)) {\r
+ DEBUG ((EFI_D_ERROR, "XhcInitializeDeviceSlot: Enable Slot Failed, Status = %r\n", Status));\r
+ return Status;\r
+ }\r
ASSERT (EvtTrb->SlotId <= Xhc->MaxSlotsEn);\r
DEBUG ((EFI_D_INFO, "Enable Slot Successfully, The Slot ID = 0x%x\n", EvtTrb->SlotId));\r
SlotId = (UINT8)EvtTrb->SlotId;\r
// 4.3.3 Device Slot Initialization\r
// 1) Allocate an Input Context data structure (6.2.5) and initialize all fields to '0'.\r
//\r
- InputContext = AllocatePages (EFI_SIZE_TO_PAGES (sizeof (INPUT_CONTEXT)));\r
+ InputContext = UsbHcAllocateMem (Xhc->MemPool, sizeof (INPUT_CONTEXT));\r
ASSERT (InputContext != NULL);\r
ASSERT (((UINTN) InputContext & 0x3F) == 0);\r
ZeroMem (InputContext, sizeof (INPUT_CONTEXT));\r
//\r
// Init the DCS(dequeue cycle state) as the transfer ring's CCS\r
//\r
- InputContext->EP[0].PtrLo = XHC_LOW_32BIT (((TRANSFER_RING *)(UINTN)Xhc->UsbDevContext[SlotId].EndpointTransferRing[0])->RingSeg0) | BIT0;\r
- InputContext->EP[0].PtrHi = XHC_HIGH_32BIT (((TRANSFER_RING *)(UINTN)Xhc->UsbDevContext[SlotId].EndpointTransferRing[0])->RingSeg0);\r
+ PhyAddr = UsbHcGetPciAddrForHostAddr (\r
+ Xhc->MemPool,\r
+ ((TRANSFER_RING *)(UINTN)Xhc->UsbDevContext[SlotId].EndpointTransferRing[0])->RingSeg0,\r
+ sizeof (TRB_TEMPLATE) * TR_RING_TRB_NUMBER\r
+ );\r
+ InputContext->EP[0].PtrLo = XHC_LOW_32BIT (PhyAddr) | BIT0;\r
+ InputContext->EP[0].PtrHi = XHC_HIGH_32BIT (PhyAddr);\r
\r
//\r
// 6) Allocate the Output Device Context data structure (6.2.1) and initialize it to '0'.\r
//\r
- OutputContext = AllocatePages (EFI_SIZE_TO_PAGES (sizeof (DEVICE_CONTEXT)));\r
+ OutputContext = UsbHcAllocateMem (Xhc->MemPool, sizeof (DEVICE_CONTEXT));\r
ASSERT (OutputContext != NULL);\r
ASSERT (((UINTN) OutputContext & 0x3F) == 0);\r
ZeroMem (OutputContext, sizeof (DEVICE_CONTEXT));\r
// 7) Load the appropriate (Device Slot ID) entry in the Device Context Base Address Array (5.4.6) with\r
// a pointer to the Output Device Context data structure (6.2.1).\r
//\r
- Xhc->DCBAA[SlotId] = (UINT64) (UINTN) OutputContext;\r
+ PhyAddr = UsbHcGetPciAddrForHostAddr (Xhc->MemPool, OutputContext, sizeof (DEVICE_CONTEXT));\r
+ //\r
+ // Fill DCBAA with PCI device address\r
+ //\r
+ Xhc->DCBAA[SlotId] = (UINT64) (UINTN) PhyAddr;\r
\r
//\r
// 8) Issue an Address Device Command for the Device Slot, where the command points to the Input\r
// Context data structure described above.\r
//\r
+ // Delay 10ms to meet TRSTRCY delay requirement in usb 2.0 spec chapter 7.1.7.5 before sending SetAddress() request\r
+ // to device.\r
+ //\r
+ gBS->Stall (XHC_RESET_RECOVERY_DELAY);\r
ZeroMem (&CmdTrbAddr, sizeof (CmdTrbAddr));\r
- CmdTrbAddr.PtrLo = XHC_LOW_32BIT (Xhc->UsbDevContext[SlotId].InputContext);\r
- CmdTrbAddr.PtrHi = XHC_HIGH_32BIT (Xhc->UsbDevContext[SlotId].InputContext);\r
+ PhyAddr = UsbHcGetPciAddrForHostAddr (Xhc->MemPool, Xhc->UsbDevContext[SlotId].InputContext, sizeof (INPUT_CONTEXT));\r
+ CmdTrbAddr.PtrLo = XHC_LOW_32BIT (PhyAddr);\r
+ CmdTrbAddr.PtrHi = XHC_HIGH_32BIT (PhyAddr);\r
CmdTrbAddr.CycleBit = 1;\r
CmdTrbAddr.Type = TRB_TYPE_ADDRESS_DEV;\r
CmdTrbAddr.SlotId = Xhc->UsbDevContext[SlotId].SlotId;\r
XHC_GENERIC_TIMEOUT,\r
(TRB_TEMPLATE **) (UINTN) &EvtTrb\r
);\r
- ASSERT (!EFI_ERROR(Status));\r
-\r
- DeviceAddress = (UINT8) ((DEVICE_CONTEXT *) OutputContext)->Slot.DeviceAddress;\r
- DEBUG ((EFI_D_INFO, " Address %d assigned succeefully\n", DeviceAddress));\r
-\r
- Xhc->UsbDevContext[SlotId].XhciDevAddr = DeviceAddress;\r
+ if (!EFI_ERROR (Status)) {\r
+ DeviceAddress = (UINT8) ((DEVICE_CONTEXT *) OutputContext)->Slot.DeviceAddress;\r
+ DEBUG ((EFI_D_INFO, " Address %d assigned successfully\n", DeviceAddress));\r
+ Xhc->UsbDevContext[SlotId].XhciDevAddr = DeviceAddress;\r
+ }\r
\r
return Status;\r
}\r
\r
/**\r
- Disable the specified device slot.\r
+ Assign and initialize the device slot for a new device.\r
\r
- @param Xhc The XHCI Instance.\r
- @param SlotId The slot id to be disabled.\r
+ @param Xhc The XHCI Instance.\r
+ @param ParentRouteChart The route string pointed to the parent device.\r
+ @param ParentPort The port at which the device is located.\r
+ @param RouteChart The route string pointed to the device.\r
+ @param DeviceSpeed The device speed.\r
\r
- @retval EFI_SUCCESS Successfully disable the device slot.\r
+ @retval EFI_SUCCESS Successfully assign a slot to the device and assign an address to it.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
-XhcDisableSlotCmd (\r
- IN USB_XHCI_INSTANCE *Xhc,\r
- IN UINT8 SlotId\r
+XhcInitializeDeviceSlot64 (\r
+ IN USB_XHCI_INSTANCE *Xhc,\r
+ IN USB_DEV_ROUTE ParentRouteChart,\r
+ IN UINT16 ParentPort,\r
+ IN USB_DEV_ROUTE RouteChart,\r
+ IN UINT8 DeviceSpeed\r
)\r
{\r
- EFI_STATUS Status;\r
- TRB_TEMPLATE *EvtTrb;\r
- CMD_TRB_DISABLE_SLOT CmdTrbDisSlot;\r
- UINT8 Index;\r
- VOID *RingSeg;\r
-\r
- //\r
- // Disable the device slots occupied by these devices on its downstream ports.\r
- // Entry 0 is reserved.\r
- //\r
- for (Index = 0; Index < 255; Index++) {\r
- if (!Xhc->UsbDevContext[Index + 1].Enabled ||\r
- (Xhc->UsbDevContext[Index + 1].SlotId == 0) ||\r
- (Xhc->UsbDevContext[Index + 1].ParentRouteString.Dword != Xhc->UsbDevContext[SlotId].RouteString.Dword)) {\r
- continue;\r
- }\r
+ EFI_STATUS Status;\r
+ EVT_TRB_COMMAND_COMPLETION *EvtTrb;\r
+ INPUT_CONTEXT_64 *InputContext;\r
+ DEVICE_CONTEXT_64 *OutputContext;\r
+ TRANSFER_RING *EndpointTransferRing;\r
+ CMD_TRB_ADDRESS_DEVICE CmdTrbAddr;\r
+ UINT8 DeviceAddress;\r
+ CMD_TRB_ENABLE_SLOT CmdTrb;\r
+ UINT8 SlotId;\r
+ UINT8 ParentSlotId;\r
+ DEVICE_CONTEXT_64 *ParentDeviceContext;\r
+ EFI_PHYSICAL_ADDRESS PhyAddr;\r
\r
- Status = XhcDisableSlotCmd (Xhc, Xhc->UsbDevContext[Index + 1].SlotId);\r
+ ZeroMem (&CmdTrb, sizeof (CMD_TRB_ENABLE_SLOT));\r
+ CmdTrb.CycleBit = 1;\r
+ CmdTrb.Type = TRB_TYPE_EN_SLOT;\r
\r
- if (EFI_ERROR (Status)) {\r
- DEBUG ((EFI_D_ERROR, "XhcDisableSlotCmd: failed to disable child, ignore error\n"));\r
- Xhc->UsbDevContext[Index + 1].SlotId = 0;\r
- }\r
+ Status = XhcCmdTransfer (\r
+ Xhc,\r
+ (TRB_TEMPLATE *) (UINTN) &CmdTrb,\r
+ XHC_GENERIC_TIMEOUT,\r
+ (TRB_TEMPLATE **) (UINTN) &EvtTrb\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ DEBUG ((EFI_D_ERROR, "XhcInitializeDeviceSlot64: Enable Slot Failed, Status = %r\n", Status));\r
+ return Status;\r
}\r
+ ASSERT (EvtTrb->SlotId <= Xhc->MaxSlotsEn);\r
+ DEBUG ((EFI_D_INFO, "Enable Slot Successfully, The Slot ID = 0x%x\n", EvtTrb->SlotId));\r
+ SlotId = (UINT8)EvtTrb->SlotId;\r
+ ASSERT (SlotId != 0);\r
+\r
+ ZeroMem (&Xhc->UsbDevContext[SlotId], sizeof (USB_DEV_CONTEXT));\r
+ Xhc->UsbDevContext[SlotId].Enabled = TRUE;\r
+ Xhc->UsbDevContext[SlotId].SlotId = SlotId;\r
+ Xhc->UsbDevContext[SlotId].RouteString.Dword = RouteChart.Dword;\r
+ Xhc->UsbDevContext[SlotId].ParentRouteString.Dword = ParentRouteChart.Dword;\r
\r
//\r
- // Construct the disable slot command\r
+ // 4.3.3 Device Slot Initialization\r
+ // 1) Allocate an Input Context data structure (6.2.5) and initialize all fields to '0'.\r
//\r
- DEBUG ((EFI_D_INFO, "Disable device slot %d!\n", SlotId));\r
+ InputContext = UsbHcAllocateMem (Xhc->MemPool, sizeof (INPUT_CONTEXT_64));\r
+ ASSERT (InputContext != NULL);\r
+ ASSERT (((UINTN) InputContext & 0x3F) == 0);\r
+ ZeroMem (InputContext, sizeof (INPUT_CONTEXT_64));\r
+\r
+ Xhc->UsbDevContext[SlotId].InputContext = (VOID *) InputContext;\r
\r
- ZeroMem (&CmdTrbDisSlot, sizeof (CmdTrbDisSlot));\r
- CmdTrbDisSlot.CycleBit = 1;\r
- CmdTrbDisSlot.Type = TRB_TYPE_DIS_SLOT;\r
- CmdTrbDisSlot.SlotId = SlotId;\r
- Status = XhcCmdTransfer (\r
- Xhc,\r
- (TRB_TEMPLATE *) (UINTN) &CmdTrbDisSlot,\r
- XHC_GENERIC_TIMEOUT,\r
- (TRB_TEMPLATE **) (UINTN) &EvtTrb\r
- );\r
- ASSERT_EFI_ERROR(Status);\r
//\r
- // Free the slot's device context entry\r
+ // 2) Initialize the Input Control Context (6.2.5.1) of the Input Context by setting the A0 and A1\r
+ // flags to '1'. These flags indicate that the Slot Context and the Endpoint 0 Context of the Input\r
+ // Context are affected by the command.\r
//\r
- Xhc->DCBAA[SlotId] = 0;\r
+ InputContext->InputControlContext.Dword2 |= (BIT0 | BIT1);\r
\r
//\r
- // Free the slot related data structure\r
+ // 3) Initialize the Input Slot Context data structure\r
//\r
- for (Index = 0; Index < 31; Index++) {\r
- if (Xhc->UsbDevContext[SlotId].EndpointTransferRing[Index] != NULL) {\r
- RingSeg = ((TRANSFER_RING *)(UINTN)Xhc->UsbDevContext[SlotId].EndpointTransferRing[Index])->RingSeg0;\r
- if (RingSeg != NULL) {\r
- FreePages (RingSeg, EFI_SIZE_TO_PAGES (sizeof (TRB_TEMPLATE) * TR_RING_TRB_NUMBER));\r
- }\r
- FreePool (Xhc->UsbDevContext[SlotId].EndpointTransferRing[Index]);\r
- }\r
- }\r
+ InputContext->Slot.RouteString = RouteChart.Route.RouteString;\r
+ InputContext->Slot.Speed = DeviceSpeed + 1;\r
+ InputContext->Slot.ContextEntries = 1;\r
+ InputContext->Slot.RootHubPortNum = RouteChart.Route.RootPortNum;\r
\r
- for (Index = 0; Index < Xhc->UsbDevContext[SlotId].DevDesc.NumConfigurations; Index++) {\r
- if (Xhc->UsbDevContext[SlotId].ConfDesc[Index] != NULL) {\r
- FreePool (Xhc->UsbDevContext[SlotId].ConfDesc[Index]);\r
+ if (RouteChart.Route.RouteString) {\r
+ //\r
+ // The device is behind of hub device.\r
+ //\r
+ ParentSlotId = XhcRouteStringToSlotId(Xhc, ParentRouteChart);\r
+ ASSERT (ParentSlotId != 0);\r
+ //\r
+ //if the Full/Low device attached to a High Speed Hub, Init the TTPortNum and TTHubSlotId field of slot context\r
+ //\r
+ ParentDeviceContext = (DEVICE_CONTEXT_64 *)Xhc->UsbDevContext[ParentSlotId].OutputContext;\r
+ if ((ParentDeviceContext->Slot.TTPortNum == 0) &&\r
+ (ParentDeviceContext->Slot.TTHubSlotId == 0)) {\r
+ if ((ParentDeviceContext->Slot.Speed == (EFI_USB_SPEED_HIGH + 1)) && (DeviceSpeed < EFI_USB_SPEED_HIGH)) {\r
+ //\r
+ // Full/Low device attached to High speed hub port that isolates the high speed signaling\r
+ // environment from Full/Low speed signaling environment for a device\r
+ //\r
+ InputContext->Slot.TTPortNum = ParentPort;\r
+ InputContext->Slot.TTHubSlotId = ParentSlotId;\r
+ }\r
+ } else {\r
+ //\r
+ // Inherit the TT parameters from parent device.\r
+ //\r
+ InputContext->Slot.TTPortNum = ParentDeviceContext->Slot.TTPortNum;\r
+ InputContext->Slot.TTHubSlotId = ParentDeviceContext->Slot.TTHubSlotId;\r
+ //\r
+ // If the device is a High speed device then down the speed to be the same as its parent Hub\r
+ //\r
+ if (DeviceSpeed == EFI_USB_SPEED_HIGH) {\r
+ InputContext->Slot.Speed = ParentDeviceContext->Slot.Speed;\r
+ }\r
}\r
}\r
\r
- if (Xhc->UsbDevContext[SlotId].InputContext != NULL) {\r
- FreePages (Xhc->UsbDevContext[SlotId].InputContext, EFI_SIZE_TO_PAGES (sizeof (INPUT_CONTEXT)));\r
- }\r
-\r
- if (Xhc->UsbDevContext[SlotId].OutputContext != NULL) {\r
- FreePages (Xhc->UsbDevContext[SlotId].OutputContext, EFI_SIZE_TO_PAGES (sizeof (DEVICE_CONTEXT)));\r
- }\r
+ //\r
+ // 4) Allocate and initialize the Transfer Ring for the Default Control Endpoint.\r
+ //\r
+ EndpointTransferRing = AllocateZeroPool (sizeof (TRANSFER_RING));\r
+ Xhc->UsbDevContext[SlotId].EndpointTransferRing[0] = EndpointTransferRing;\r
+ CreateTransferRing(Xhc, TR_RING_TRB_NUMBER, (TRANSFER_RING *)Xhc->UsbDevContext[SlotId].EndpointTransferRing[0]);\r
+ //\r
+ // 5) Initialize the Input default control Endpoint 0 Context (6.2.3).\r
+ //\r
+ InputContext->EP[0].EPType = ED_CONTROL_BIDIR;\r
+\r
+ if (DeviceSpeed == EFI_USB_SPEED_SUPER) {\r
+ InputContext->EP[0].MaxPacketSize = 512;\r
+ } else if (DeviceSpeed == EFI_USB_SPEED_HIGH) {\r
+ InputContext->EP[0].MaxPacketSize = 64;\r
+ } else {\r
+ InputContext->EP[0].MaxPacketSize = 8;\r
+ }\r
+ //\r
+ // Initial value of Average TRB Length for Control endpoints would be 8B, Interrupt endpoints\r
+ // 1KB, and Bulk and Isoch endpoints 3KB.\r
+ //\r
+ InputContext->EP[0].AverageTRBLength = 8;\r
+ InputContext->EP[0].MaxBurstSize = 0;\r
+ InputContext->EP[0].Interval = 0;\r
+ InputContext->EP[0].MaxPStreams = 0;\r
+ InputContext->EP[0].Mult = 0;\r
+ InputContext->EP[0].CErr = 3;\r
+\r
+ //\r
+ // Init the DCS(dequeue cycle state) as the transfer ring's CCS\r
+ //\r
+ PhyAddr = UsbHcGetPciAddrForHostAddr (\r
+ Xhc->MemPool,\r
+ ((TRANSFER_RING *)(UINTN)Xhc->UsbDevContext[SlotId].EndpointTransferRing[0])->RingSeg0,\r
+ sizeof (TRB_TEMPLATE) * TR_RING_TRB_NUMBER\r
+ );\r
+ InputContext->EP[0].PtrLo = XHC_LOW_32BIT (PhyAddr) | BIT0;\r
+ InputContext->EP[0].PtrHi = XHC_HIGH_32BIT (PhyAddr);\r
+\r
+ //\r
+ // 6) Allocate the Output Device Context data structure (6.2.1) and initialize it to '0'.\r
+ //\r
+ OutputContext = UsbHcAllocateMem (Xhc->MemPool, sizeof (DEVICE_CONTEXT_64));\r
+ ASSERT (OutputContext != NULL);\r
+ ASSERT (((UINTN) OutputContext & 0x3F) == 0);\r
+ ZeroMem (OutputContext, sizeof (DEVICE_CONTEXT_64));\r
+\r
+ Xhc->UsbDevContext[SlotId].OutputContext = OutputContext;\r
+ //\r
+ // 7) Load the appropriate (Device Slot ID) entry in the Device Context Base Address Array (5.4.6) with\r
+ // a pointer to the Output Device Context data structure (6.2.1).\r
+ //\r
+ PhyAddr = UsbHcGetPciAddrForHostAddr (Xhc->MemPool, OutputContext, sizeof (DEVICE_CONTEXT_64));\r
+ //\r
+ // Fill DCBAA with PCI device address\r
+ //\r
+ Xhc->DCBAA[SlotId] = (UINT64) (UINTN) PhyAddr;\r
+\r
+ //\r
+ // 8) Issue an Address Device Command for the Device Slot, where the command points to the Input\r
+ // Context data structure described above.\r
+ //\r
+ // Delay 10ms to meet TRSTRCY delay requirement in usb 2.0 spec chapter 7.1.7.5 before sending SetAddress() request\r
+ // to device.\r
+ //\r
+ gBS->Stall (XHC_RESET_RECOVERY_DELAY);\r
+ ZeroMem (&CmdTrbAddr, sizeof (CmdTrbAddr));\r
+ PhyAddr = UsbHcGetPciAddrForHostAddr (Xhc->MemPool, Xhc->UsbDevContext[SlotId].InputContext, sizeof (INPUT_CONTEXT_64));\r
+ CmdTrbAddr.PtrLo = XHC_LOW_32BIT (PhyAddr);\r
+ CmdTrbAddr.PtrHi = XHC_HIGH_32BIT (PhyAddr);\r
+ CmdTrbAddr.CycleBit = 1;\r
+ CmdTrbAddr.Type = TRB_TYPE_ADDRESS_DEV;\r
+ CmdTrbAddr.SlotId = Xhc->UsbDevContext[SlotId].SlotId;\r
+ Status = XhcCmdTransfer (\r
+ Xhc,\r
+ (TRB_TEMPLATE *) (UINTN) &CmdTrbAddr,\r
+ XHC_GENERIC_TIMEOUT,\r
+ (TRB_TEMPLATE **) (UINTN) &EvtTrb\r
+ );\r
+ if (!EFI_ERROR (Status)) {\r
+ DeviceAddress = (UINT8) ((DEVICE_CONTEXT_64 *) OutputContext)->Slot.DeviceAddress;\r
+ DEBUG ((EFI_D_INFO, " Address %d assigned successfully\n", DeviceAddress));\r
+ Xhc->UsbDevContext[SlotId].XhciDevAddr = DeviceAddress;\r
+ }\r
+ return Status;\r
+}\r
+\r
+\r
+/**\r
+ Disable the specified device slot.\r
+\r
+ @param Xhc The XHCI Instance.\r
+ @param SlotId The slot id to be disabled.\r
+\r
+ @retval EFI_SUCCESS Successfully disable the device slot.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+XhcDisableSlotCmd (\r
+ IN USB_XHCI_INSTANCE *Xhc,\r
+ IN UINT8 SlotId\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ TRB_TEMPLATE *EvtTrb;\r
+ CMD_TRB_DISABLE_SLOT CmdTrbDisSlot;\r
+ UINT8 Index;\r
+ VOID *RingSeg;\r
+\r
+ //\r
+ // Disable the device slots occupied by these devices on its downstream ports.\r
+ // Entry 0 is reserved.\r
+ //\r
+ for (Index = 0; Index < 255; Index++) {\r
+ if (!Xhc->UsbDevContext[Index + 1].Enabled ||\r
+ (Xhc->UsbDevContext[Index + 1].SlotId == 0) ||\r
+ (Xhc->UsbDevContext[Index + 1].ParentRouteString.Dword != Xhc->UsbDevContext[SlotId].RouteString.Dword)) {\r
+ continue;\r
+ }\r
+\r
+ Status = XhcDisableSlotCmd (Xhc, Xhc->UsbDevContext[Index + 1].SlotId);\r
+\r
+ if (EFI_ERROR (Status)) {\r
+ DEBUG ((EFI_D_ERROR, "XhcDisableSlotCmd: failed to disable child, ignore error\n"));\r
+ Xhc->UsbDevContext[Index + 1].SlotId = 0;\r
+ }\r
+ }\r
+\r
+ //\r
+ // Construct the disable slot command\r
+ //\r
+ DEBUG ((EFI_D_INFO, "Disable device slot %d!\n", SlotId));\r
+\r
+ ZeroMem (&CmdTrbDisSlot, sizeof (CmdTrbDisSlot));\r
+ CmdTrbDisSlot.CycleBit = 1;\r
+ CmdTrbDisSlot.Type = TRB_TYPE_DIS_SLOT;\r
+ CmdTrbDisSlot.SlotId = SlotId;\r
+ Status = XhcCmdTransfer (\r
+ Xhc,\r
+ (TRB_TEMPLATE *) (UINTN) &CmdTrbDisSlot,\r
+ XHC_GENERIC_TIMEOUT,\r
+ (TRB_TEMPLATE **) (UINTN) &EvtTrb\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ DEBUG ((EFI_D_ERROR, "XhcDisableSlotCmd: Disable Slot Command Failed, Status = %r\n", Status));\r
+ return Status;\r
+ }\r
+ //\r
+ // Free the slot's device context entry\r
+ //\r
+ Xhc->DCBAA[SlotId] = 0;\r
+\r
+ //\r
+ // Free the slot related data structure\r
+ //\r
+ for (Index = 0; Index < 31; Index++) {\r
+ if (Xhc->UsbDevContext[SlotId].EndpointTransferRing[Index] != NULL) {\r
+ RingSeg = ((TRANSFER_RING *)(UINTN)Xhc->UsbDevContext[SlotId].EndpointTransferRing[Index])->RingSeg0;\r
+ if (RingSeg != NULL) {\r
+ UsbHcFreeMem (Xhc->MemPool, RingSeg, sizeof (TRB_TEMPLATE) * TR_RING_TRB_NUMBER);\r
+ }\r
+ FreePool (Xhc->UsbDevContext[SlotId].EndpointTransferRing[Index]);\r
+ Xhc->UsbDevContext[SlotId].EndpointTransferRing[Index] = NULL;\r
+ }\r
+ }\r
+\r
+ for (Index = 0; Index < Xhc->UsbDevContext[SlotId].DevDesc.NumConfigurations; Index++) {\r
+ if (Xhc->UsbDevContext[SlotId].ConfDesc[Index] != NULL) {\r
+ FreePool (Xhc->UsbDevContext[SlotId].ConfDesc[Index]);\r
+ }\r
+ }\r
+\r
+ if (Xhc->UsbDevContext[SlotId].ActiveAlternateSetting != NULL) {\r
+ FreePool (Xhc->UsbDevContext[SlotId].ActiveAlternateSetting);\r
+ }\r
+\r
+ if (Xhc->UsbDevContext[SlotId].InputContext != NULL) {\r
+ UsbHcFreeMem (Xhc->MemPool, Xhc->UsbDevContext[SlotId].InputContext, sizeof (INPUT_CONTEXT));\r
+ }\r
+\r
+ if (Xhc->UsbDevContext[SlotId].OutputContext != NULL) {\r
+ UsbHcFreeMem (Xhc->MemPool, Xhc->UsbDevContext[SlotId].OutputContext, sizeof (DEVICE_CONTEXT));\r
+ }\r
+ //\r
+ // Doesn't zero the entry because XhcAsyncInterruptTransfer() may be invoked to remove the established\r
+ // asynchronous interrupt pipe after the device is disabled. It needs the device address mapping info to\r
+ // remove urb from XHCI's asynchronous transfer list.\r
+ //\r
+ Xhc->UsbDevContext[SlotId].Enabled = FALSE;\r
+ Xhc->UsbDevContext[SlotId].SlotId = 0;\r
+\r
+ return Status;\r
+}\r
+\r
+/**\r
+ Disable the specified device slot.\r
+\r
+ @param Xhc The XHCI Instance.\r
+ @param SlotId The slot id to be disabled.\r
+\r
+ @retval EFI_SUCCESS Successfully disable the device slot.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+XhcDisableSlotCmd64 (\r
+ IN USB_XHCI_INSTANCE *Xhc,\r
+ IN UINT8 SlotId\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ TRB_TEMPLATE *EvtTrb;\r
+ CMD_TRB_DISABLE_SLOT CmdTrbDisSlot;\r
+ UINT8 Index;\r
+ VOID *RingSeg;\r
+\r
+ //\r
+ // Disable the device slots occupied by these devices on its downstream ports.\r
+ // Entry 0 is reserved.\r
+ //\r
+ for (Index = 0; Index < 255; Index++) {\r
+ if (!Xhc->UsbDevContext[Index + 1].Enabled ||\r
+ (Xhc->UsbDevContext[Index + 1].SlotId == 0) ||\r
+ (Xhc->UsbDevContext[Index + 1].ParentRouteString.Dword != Xhc->UsbDevContext[SlotId].RouteString.Dword)) {\r
+ continue;\r
+ }\r
+\r
+ Status = XhcDisableSlotCmd64 (Xhc, Xhc->UsbDevContext[Index + 1].SlotId);\r
+\r
+ if (EFI_ERROR (Status)) {\r
+ DEBUG ((EFI_D_ERROR, "XhcDisableSlotCmd: failed to disable child, ignore error\n"));\r
+ Xhc->UsbDevContext[Index + 1].SlotId = 0;\r
+ }\r
+ }\r
+\r
+ //\r
+ // Construct the disable slot command\r
+ //\r
+ DEBUG ((EFI_D_INFO, "Disable device slot %d!\n", SlotId));\r
+\r
+ ZeroMem (&CmdTrbDisSlot, sizeof (CmdTrbDisSlot));\r
+ CmdTrbDisSlot.CycleBit = 1;\r
+ CmdTrbDisSlot.Type = TRB_TYPE_DIS_SLOT;\r
+ CmdTrbDisSlot.SlotId = SlotId;\r
+ Status = XhcCmdTransfer (\r
+ Xhc,\r
+ (TRB_TEMPLATE *) (UINTN) &CmdTrbDisSlot,\r
+ XHC_GENERIC_TIMEOUT,\r
+ (TRB_TEMPLATE **) (UINTN) &EvtTrb\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ DEBUG ((EFI_D_ERROR, "XhcDisableSlotCmd: Disable Slot Command Failed, Status = %r\n", Status));\r
+ return Status;\r
+ }\r
+ //\r
+ // Free the slot's device context entry\r
+ //\r
+ Xhc->DCBAA[SlotId] = 0;\r
+\r
+ //\r
+ // Free the slot related data structure\r
+ //\r
+ for (Index = 0; Index < 31; Index++) {\r
+ if (Xhc->UsbDevContext[SlotId].EndpointTransferRing[Index] != NULL) {\r
+ RingSeg = ((TRANSFER_RING *)(UINTN)Xhc->UsbDevContext[SlotId].EndpointTransferRing[Index])->RingSeg0;\r
+ if (RingSeg != NULL) {\r
+ UsbHcFreeMem (Xhc->MemPool, RingSeg, sizeof (TRB_TEMPLATE) * TR_RING_TRB_NUMBER);\r
+ }\r
+ FreePool (Xhc->UsbDevContext[SlotId].EndpointTransferRing[Index]);\r
+ Xhc->UsbDevContext[SlotId].EndpointTransferRing[Index] = NULL;\r
+ }\r
+ }\r
+\r
+ for (Index = 0; Index < Xhc->UsbDevContext[SlotId].DevDesc.NumConfigurations; Index++) {\r
+ if (Xhc->UsbDevContext[SlotId].ConfDesc[Index] != NULL) {\r
+ FreePool (Xhc->UsbDevContext[SlotId].ConfDesc[Index]);\r
+ }\r
+ }\r
+\r
+ if (Xhc->UsbDevContext[SlotId].ActiveAlternateSetting != NULL) {\r
+ FreePool (Xhc->UsbDevContext[SlotId].ActiveAlternateSetting);\r
+ }\r
+\r
+ if (Xhc->UsbDevContext[SlotId].InputContext != NULL) {\r
+ UsbHcFreeMem (Xhc->MemPool, Xhc->UsbDevContext[SlotId].InputContext, sizeof (INPUT_CONTEXT_64));\r
+ }\r
+\r
+ if (Xhc->UsbDevContext[SlotId].OutputContext != NULL) {\r
+ UsbHcFreeMem (Xhc->MemPool, Xhc->UsbDevContext[SlotId].OutputContext, sizeof (DEVICE_CONTEXT_64));\r
+ }\r
//\r
// Doesn't zero the entry because XhcAsyncInterruptTransfer() may be invoked to remove the established\r
// asynchronous interrupt pipe after the device is disabled. It needs the device address mapping info to\r
// remove urb from XHCI's asynchronous transfer list.\r
//\r
- Xhc->UsbDevContext[SlotId].Enabled = FALSE;\r
+ Xhc->UsbDevContext[SlotId].Enabled = FALSE;\r
+ Xhc->UsbDevContext[SlotId].SlotId = 0;\r
+\r
+ return Status;\r
+}\r
+\r
+/**\r
+ Initialize endpoint context in input context.\r
+\r
+ @param Xhc The XHCI Instance.\r
+ @param SlotId The slot id to be configured.\r
+ @param DeviceSpeed The device's speed.\r
+ @param InputContext The pointer to the input context.\r
+ @param IfDesc The pointer to the usb device interface descriptor.\r
+\r
+ @return The maximum device context index of endpoint.\r
+\r
+**/\r
+UINT8\r
+EFIAPI\r
+XhcInitializeEndpointContext (\r
+ IN USB_XHCI_INSTANCE *Xhc,\r
+ IN UINT8 SlotId,\r
+ IN UINT8 DeviceSpeed,\r
+ IN INPUT_CONTEXT *InputContext,\r
+ IN USB_INTERFACE_DESCRIPTOR *IfDesc\r
+ )\r
+{\r
+ USB_ENDPOINT_DESCRIPTOR *EpDesc;\r
+ UINTN NumEp;\r
+ UINTN EpIndex;\r
+ UINT8 EpAddr;\r
+ UINT8 Direction;\r
+ UINT8 Dci;\r
+ UINT8 MaxDci;\r
+ EFI_PHYSICAL_ADDRESS PhyAddr;\r
+ UINT8 Interval;\r
+ TRANSFER_RING *EndpointTransferRing;\r
+\r
+ MaxDci = 0;\r
+\r
+ NumEp = IfDesc->NumEndpoints;\r
+\r
+ EpDesc = (USB_ENDPOINT_DESCRIPTOR *)(IfDesc + 1);\r
+ for (EpIndex = 0; EpIndex < NumEp; EpIndex++) {\r
+ while (EpDesc->DescriptorType != USB_DESC_TYPE_ENDPOINT) {\r
+ EpDesc = (USB_ENDPOINT_DESCRIPTOR *)((UINTN)EpDesc + EpDesc->Length);\r
+ }\r
+\r
+ if (EpDesc->Length < sizeof (USB_ENDPOINT_DESCRIPTOR)) {\r
+ EpDesc = (USB_ENDPOINT_DESCRIPTOR *)((UINTN)EpDesc + EpDesc->Length);\r
+ continue;\r
+ }\r
+\r
+ EpAddr = (UINT8)(EpDesc->EndpointAddress & 0x0F);\r
+ Direction = (UINT8)((EpDesc->EndpointAddress & 0x80) ? EfiUsbDataIn : EfiUsbDataOut);\r
+\r
+ Dci = XhcEndpointToDci (EpAddr, Direction);\r
+ ASSERT (Dci < 32);\r
+ if (Dci > MaxDci) {\r
+ MaxDci = Dci;\r
+ }\r
+\r
+ InputContext->InputControlContext.Dword2 |= (BIT0 << Dci);\r
+ InputContext->EP[Dci-1].MaxPacketSize = EpDesc->MaxPacketSize;\r
+\r
+ if (DeviceSpeed == EFI_USB_SPEED_SUPER) {\r
+ //\r
+ // 6.2.3.4, shall be set to the value defined in the bMaxBurst field of the SuperSpeed Endpoint Companion Descriptor.\r
+ //\r
+ InputContext->EP[Dci-1].MaxBurstSize = 0x0;\r
+ } else {\r
+ InputContext->EP[Dci-1].MaxBurstSize = 0x0;\r
+ }\r
+\r
+ switch (EpDesc->Attributes & USB_ENDPOINT_TYPE_MASK) {\r
+ case USB_ENDPOINT_BULK:\r
+ if (Direction == EfiUsbDataIn) {\r
+ InputContext->EP[Dci-1].CErr = 3;\r
+ InputContext->EP[Dci-1].EPType = ED_BULK_IN;\r
+ } else {\r
+ InputContext->EP[Dci-1].CErr = 3;\r
+ InputContext->EP[Dci-1].EPType = ED_BULK_OUT;\r
+ }\r
+\r
+ InputContext->EP[Dci-1].AverageTRBLength = 0x1000;\r
+ if (Xhc->UsbDevContext[SlotId].EndpointTransferRing[Dci-1] == NULL) {\r
+ EndpointTransferRing = AllocateZeroPool(sizeof (TRANSFER_RING));\r
+ Xhc->UsbDevContext[SlotId].EndpointTransferRing[Dci-1] = (VOID *) EndpointTransferRing;\r
+ CreateTransferRing(Xhc, TR_RING_TRB_NUMBER, (TRANSFER_RING *)Xhc->UsbDevContext[SlotId].EndpointTransferRing[Dci-1]);\r
+ DEBUG ((DEBUG_INFO, "Endpoint[%x]: Created BULK ring [%p~%p)\n",\r
+ EpDesc->EndpointAddress,\r
+ EndpointTransferRing->RingSeg0,\r
+ (UINTN) EndpointTransferRing->RingSeg0 + TR_RING_TRB_NUMBER * sizeof (TRB_TEMPLATE)\r
+ ));\r
+ }\r
+\r
+ break;\r
+ case USB_ENDPOINT_ISO:\r
+ if (Direction == EfiUsbDataIn) {\r
+ InputContext->EP[Dci-1].CErr = 0;\r
+ InputContext->EP[Dci-1].EPType = ED_ISOCH_IN;\r
+ } else {\r
+ InputContext->EP[Dci-1].CErr = 0;\r
+ InputContext->EP[Dci-1].EPType = ED_ISOCH_OUT;\r
+ }\r
+ //\r
+ // Get the bInterval from descriptor and init the the interval field of endpoint context.\r
+ // Refer to XHCI 1.1 spec section 6.2.3.6.\r
+ //\r
+ if (DeviceSpeed == EFI_USB_SPEED_FULL) {\r
+ Interval = EpDesc->Interval;\r
+ ASSERT (Interval >= 1 && Interval <= 16);\r
+ InputContext->EP[Dci-1].Interval = Interval + 2;\r
+ } else if ((DeviceSpeed == EFI_USB_SPEED_HIGH) || (DeviceSpeed == EFI_USB_SPEED_SUPER)) {\r
+ Interval = EpDesc->Interval;\r
+ ASSERT (Interval >= 1 && Interval <= 16);\r
+ InputContext->EP[Dci-1].Interval = Interval - 1;\r
+ }\r
+\r
+ //\r
+ // Do not support isochronous transfer now.\r
+ //\r
+ DEBUG ((EFI_D_INFO, "XhcInitializeEndpointContext: Unsupport ISO EP found, Transfer ring is not allocated.\n"));\r
+ EpDesc = (USB_ENDPOINT_DESCRIPTOR *)((UINTN)EpDesc + EpDesc->Length);\r
+ continue;\r
+ case USB_ENDPOINT_INTERRUPT:\r
+ if (Direction == EfiUsbDataIn) {\r
+ InputContext->EP[Dci-1].CErr = 3;\r
+ InputContext->EP[Dci-1].EPType = ED_INTERRUPT_IN;\r
+ } else {\r
+ InputContext->EP[Dci-1].CErr = 3;\r
+ InputContext->EP[Dci-1].EPType = ED_INTERRUPT_OUT;\r
+ }\r
+ InputContext->EP[Dci-1].AverageTRBLength = 0x1000;\r
+ InputContext->EP[Dci-1].MaxESITPayload = EpDesc->MaxPacketSize;\r
+ //\r
+ // Get the bInterval from descriptor and init the the interval field of endpoint context\r
+ //\r
+ if ((DeviceSpeed == EFI_USB_SPEED_FULL) || (DeviceSpeed == EFI_USB_SPEED_LOW)) {\r
+ Interval = EpDesc->Interval;\r
+ //\r
+ // Calculate through the bInterval field of Endpoint descriptor.\r
+ //\r
+ ASSERT (Interval != 0);\r
+ InputContext->EP[Dci-1].Interval = (UINT32)HighBitSet32((UINT32)Interval) + 3;\r
+ } else if ((DeviceSpeed == EFI_USB_SPEED_HIGH) || (DeviceSpeed == EFI_USB_SPEED_SUPER)) {\r
+ Interval = EpDesc->Interval;\r
+ ASSERT (Interval >= 1 && Interval <= 16);\r
+ //\r
+ // Refer to XHCI 1.0 spec section 6.2.3.6, table 61\r
+ //\r
+ InputContext->EP[Dci-1].Interval = Interval - 1;\r
+ InputContext->EP[Dci-1].AverageTRBLength = 0x1000;\r
+ InputContext->EP[Dci-1].MaxESITPayload = 0x0002;\r
+ InputContext->EP[Dci-1].MaxBurstSize = 0x0;\r
+ InputContext->EP[Dci-1].CErr = 3;\r
+ }\r
+\r
+ if (Xhc->UsbDevContext[SlotId].EndpointTransferRing[Dci-1] == NULL) {\r
+ EndpointTransferRing = AllocateZeroPool(sizeof (TRANSFER_RING));\r
+ Xhc->UsbDevContext[SlotId].EndpointTransferRing[Dci-1] = (VOID *) EndpointTransferRing;\r
+ CreateTransferRing(Xhc, TR_RING_TRB_NUMBER, (TRANSFER_RING *)Xhc->UsbDevContext[SlotId].EndpointTransferRing[Dci-1]);\r
+ DEBUG ((DEBUG_INFO, "Endpoint[%x]: Created INT ring [%p~%p)\n",\r
+ EpDesc->EndpointAddress,\r
+ EndpointTransferRing->RingSeg0,\r
+ (UINTN) EndpointTransferRing->RingSeg0 + TR_RING_TRB_NUMBER * sizeof (TRB_TEMPLATE)\r
+ ));\r
+ }\r
+ break;\r
+\r
+ case USB_ENDPOINT_CONTROL:\r
+ //\r
+ // Do not support control transfer now.\r
+ //\r
+ DEBUG ((EFI_D_INFO, "XhcInitializeEndpointContext: Unsupport Control EP found, Transfer ring is not allocated.\n"));\r
+ default:\r
+ DEBUG ((EFI_D_INFO, "XhcInitializeEndpointContext: Unknown EP found, Transfer ring is not allocated.\n"));\r
+ EpDesc = (USB_ENDPOINT_DESCRIPTOR *)((UINTN)EpDesc + EpDesc->Length);\r
+ continue;\r
+ }\r
+\r
+ PhyAddr = UsbHcGetPciAddrForHostAddr (\r
+ Xhc->MemPool,\r
+ ((TRANSFER_RING *)(UINTN)Xhc->UsbDevContext[SlotId].EndpointTransferRing[Dci-1])->RingSeg0,\r
+ sizeof (TRB_TEMPLATE) * TR_RING_TRB_NUMBER\r
+ );\r
+ PhyAddr &= ~((EFI_PHYSICAL_ADDRESS)0x0F);\r
+ PhyAddr |= (EFI_PHYSICAL_ADDRESS)((TRANSFER_RING *)(UINTN)Xhc->UsbDevContext[SlotId].EndpointTransferRing[Dci-1])->RingPCS;\r
+ InputContext->EP[Dci-1].PtrLo = XHC_LOW_32BIT (PhyAddr);\r
+ InputContext->EP[Dci-1].PtrHi = XHC_HIGH_32BIT (PhyAddr);\r
+\r
+ EpDesc = (USB_ENDPOINT_DESCRIPTOR *)((UINTN)EpDesc + EpDesc->Length);\r
+ }\r
+\r
+ return MaxDci;\r
+}\r
+\r
+/**\r
+ Initialize endpoint context in input context.\r
+\r
+ @param Xhc The XHCI Instance.\r
+ @param SlotId The slot id to be configured.\r
+ @param DeviceSpeed The device's speed.\r
+ @param InputContext The pointer to the input context.\r
+ @param IfDesc The pointer to the usb device interface descriptor.\r
+\r
+ @return The maximum device context index of endpoint.\r
+\r
+**/\r
+UINT8\r
+EFIAPI\r
+XhcInitializeEndpointContext64 (\r
+ IN USB_XHCI_INSTANCE *Xhc,\r
+ IN UINT8 SlotId,\r
+ IN UINT8 DeviceSpeed,\r
+ IN INPUT_CONTEXT_64 *InputContext,\r
+ IN USB_INTERFACE_DESCRIPTOR *IfDesc\r
+ )\r
+{\r
+ USB_ENDPOINT_DESCRIPTOR *EpDesc;\r
+ UINTN NumEp;\r
+ UINTN EpIndex;\r
+ UINT8 EpAddr;\r
+ UINT8 Direction;\r
+ UINT8 Dci;\r
+ UINT8 MaxDci;\r
+ EFI_PHYSICAL_ADDRESS PhyAddr;\r
+ UINT8 Interval;\r
+ TRANSFER_RING *EndpointTransferRing;\r
+\r
+ MaxDci = 0;\r
+\r
+ NumEp = IfDesc->NumEndpoints;\r
+\r
+ EpDesc = (USB_ENDPOINT_DESCRIPTOR *)(IfDesc + 1);\r
+ for (EpIndex = 0; EpIndex < NumEp; EpIndex++) {\r
+ while (EpDesc->DescriptorType != USB_DESC_TYPE_ENDPOINT) {\r
+ EpDesc = (USB_ENDPOINT_DESCRIPTOR *)((UINTN)EpDesc + EpDesc->Length);\r
+ }\r
+\r
+ if (EpDesc->Length < sizeof (USB_ENDPOINT_DESCRIPTOR)) {\r
+ EpDesc = (USB_ENDPOINT_DESCRIPTOR *)((UINTN)EpDesc + EpDesc->Length);\r
+ continue;\r
+ }\r
+\r
+ EpAddr = (UINT8)(EpDesc->EndpointAddress & 0x0F);\r
+ Direction = (UINT8)((EpDesc->EndpointAddress & 0x80) ? EfiUsbDataIn : EfiUsbDataOut);\r
+\r
+ Dci = XhcEndpointToDci (EpAddr, Direction);\r
+ ASSERT (Dci < 32);\r
+ if (Dci > MaxDci) {\r
+ MaxDci = Dci;\r
+ }\r
+\r
+ InputContext->InputControlContext.Dword2 |= (BIT0 << Dci);\r
+ InputContext->EP[Dci-1].MaxPacketSize = EpDesc->MaxPacketSize;\r
+\r
+ if (DeviceSpeed == EFI_USB_SPEED_SUPER) {\r
+ //\r
+ // 6.2.3.4, shall be set to the value defined in the bMaxBurst field of the SuperSpeed Endpoint Companion Descriptor.\r
+ //\r
+ InputContext->EP[Dci-1].MaxBurstSize = 0x0;\r
+ } else {\r
+ InputContext->EP[Dci-1].MaxBurstSize = 0x0;\r
+ }\r
+\r
+ switch (EpDesc->Attributes & USB_ENDPOINT_TYPE_MASK) {\r
+ case USB_ENDPOINT_BULK:\r
+ if (Direction == EfiUsbDataIn) {\r
+ InputContext->EP[Dci-1].CErr = 3;\r
+ InputContext->EP[Dci-1].EPType = ED_BULK_IN;\r
+ } else {\r
+ InputContext->EP[Dci-1].CErr = 3;\r
+ InputContext->EP[Dci-1].EPType = ED_BULK_OUT;\r
+ }\r
+\r
+ InputContext->EP[Dci-1].AverageTRBLength = 0x1000;\r
+ if (Xhc->UsbDevContext[SlotId].EndpointTransferRing[Dci-1] == NULL) {\r
+ EndpointTransferRing = AllocateZeroPool(sizeof (TRANSFER_RING));\r
+ Xhc->UsbDevContext[SlotId].EndpointTransferRing[Dci-1] = (VOID *) EndpointTransferRing;\r
+ CreateTransferRing(Xhc, TR_RING_TRB_NUMBER, (TRANSFER_RING *)Xhc->UsbDevContext[SlotId].EndpointTransferRing[Dci-1]);\r
+ DEBUG ((DEBUG_INFO, "Endpoint64[%x]: Created BULK ring [%p~%p)\n",\r
+ EpDesc->EndpointAddress,\r
+ EndpointTransferRing->RingSeg0,\r
+ (UINTN) EndpointTransferRing->RingSeg0 + TR_RING_TRB_NUMBER * sizeof (TRB_TEMPLATE)\r
+ ));\r
+ }\r
+\r
+ break;\r
+ case USB_ENDPOINT_ISO:\r
+ if (Direction == EfiUsbDataIn) {\r
+ InputContext->EP[Dci-1].CErr = 0;\r
+ InputContext->EP[Dci-1].EPType = ED_ISOCH_IN;\r
+ } else {\r
+ InputContext->EP[Dci-1].CErr = 0;\r
+ InputContext->EP[Dci-1].EPType = ED_ISOCH_OUT;\r
+ }\r
+ //\r
+ // Get the bInterval from descriptor and init the the interval field of endpoint context.\r
+ // Refer to XHCI 1.1 spec section 6.2.3.6.\r
+ //\r
+ if (DeviceSpeed == EFI_USB_SPEED_FULL) {\r
+ Interval = EpDesc->Interval;\r
+ ASSERT (Interval >= 1 && Interval <= 16);\r
+ InputContext->EP[Dci-1].Interval = Interval + 2;\r
+ } else if ((DeviceSpeed == EFI_USB_SPEED_HIGH) || (DeviceSpeed == EFI_USB_SPEED_SUPER)) {\r
+ Interval = EpDesc->Interval;\r
+ ASSERT (Interval >= 1 && Interval <= 16);\r
+ InputContext->EP[Dci-1].Interval = Interval - 1;\r
+ }\r
+\r
+ //\r
+ // Do not support isochronous transfer now.\r
+ //\r
+ DEBUG ((EFI_D_INFO, "XhcInitializeEndpointContext64: Unsupport ISO EP found, Transfer ring is not allocated.\n"));\r
+ EpDesc = (USB_ENDPOINT_DESCRIPTOR *)((UINTN)EpDesc + EpDesc->Length);\r
+ continue;\r
+ case USB_ENDPOINT_INTERRUPT:\r
+ if (Direction == EfiUsbDataIn) {\r
+ InputContext->EP[Dci-1].CErr = 3;\r
+ InputContext->EP[Dci-1].EPType = ED_INTERRUPT_IN;\r
+ } else {\r
+ InputContext->EP[Dci-1].CErr = 3;\r
+ InputContext->EP[Dci-1].EPType = ED_INTERRUPT_OUT;\r
+ }\r
+ InputContext->EP[Dci-1].AverageTRBLength = 0x1000;\r
+ InputContext->EP[Dci-1].MaxESITPayload = EpDesc->MaxPacketSize;\r
+ //\r
+ // Get the bInterval from descriptor and init the the interval field of endpoint context\r
+ //\r
+ if ((DeviceSpeed == EFI_USB_SPEED_FULL) || (DeviceSpeed == EFI_USB_SPEED_LOW)) {\r
+ Interval = EpDesc->Interval;\r
+ //\r
+ // Calculate through the bInterval field of Endpoint descriptor.\r
+ //\r
+ ASSERT (Interval != 0);\r
+ InputContext->EP[Dci-1].Interval = (UINT32)HighBitSet32((UINT32)Interval) + 3;\r
+ } else if ((DeviceSpeed == EFI_USB_SPEED_HIGH) || (DeviceSpeed == EFI_USB_SPEED_SUPER)) {\r
+ Interval = EpDesc->Interval;\r
+ ASSERT (Interval >= 1 && Interval <= 16);\r
+ //\r
+ // Refer to XHCI 1.0 spec section 6.2.3.6, table 61\r
+ //\r
+ InputContext->EP[Dci-1].Interval = Interval - 1;\r
+ InputContext->EP[Dci-1].AverageTRBLength = 0x1000;\r
+ InputContext->EP[Dci-1].MaxESITPayload = 0x0002;\r
+ InputContext->EP[Dci-1].MaxBurstSize = 0x0;\r
+ InputContext->EP[Dci-1].CErr = 3;\r
+ }\r
+\r
+ if (Xhc->UsbDevContext[SlotId].EndpointTransferRing[Dci-1] == NULL) {\r
+ EndpointTransferRing = AllocateZeroPool(sizeof (TRANSFER_RING));\r
+ Xhc->UsbDevContext[SlotId].EndpointTransferRing[Dci-1] = (VOID *) EndpointTransferRing;\r
+ CreateTransferRing(Xhc, TR_RING_TRB_NUMBER, (TRANSFER_RING *)Xhc->UsbDevContext[SlotId].EndpointTransferRing[Dci-1]);\r
+ DEBUG ((DEBUG_INFO, "Endpoint64[%x]: Created INT ring [%p~%p)\n",\r
+ EpDesc->EndpointAddress,\r
+ EndpointTransferRing->RingSeg0,\r
+ (UINTN) EndpointTransferRing->RingSeg0 + TR_RING_TRB_NUMBER * sizeof (TRB_TEMPLATE)\r
+ ));\r
+ }\r
+ break;\r
+\r
+ case USB_ENDPOINT_CONTROL:\r
+ //\r
+ // Do not support control transfer now.\r
+ //\r
+ DEBUG ((EFI_D_INFO, "XhcInitializeEndpointContext64: Unsupport Control EP found, Transfer ring is not allocated.\n"));\r
+ default:\r
+ DEBUG ((EFI_D_INFO, "XhcInitializeEndpointContext64: Unknown EP found, Transfer ring is not allocated.\n"));\r
+ EpDesc = (USB_ENDPOINT_DESCRIPTOR *)((UINTN)EpDesc + EpDesc->Length);\r
+ continue;\r
+ }\r
+\r
+ PhyAddr = UsbHcGetPciAddrForHostAddr (\r
+ Xhc->MemPool,\r
+ ((TRANSFER_RING *)(UINTN)Xhc->UsbDevContext[SlotId].EndpointTransferRing[Dci-1])->RingSeg0,\r
+ sizeof (TRB_TEMPLATE) * TR_RING_TRB_NUMBER\r
+ );\r
+ PhyAddr &= ~((EFI_PHYSICAL_ADDRESS)0x0F);\r
+ PhyAddr |= (EFI_PHYSICAL_ADDRESS)((TRANSFER_RING *)(UINTN)Xhc->UsbDevContext[SlotId].EndpointTransferRing[Dci-1])->RingPCS;\r
+ InputContext->EP[Dci-1].PtrLo = XHC_LOW_32BIT (PhyAddr);\r
+ InputContext->EP[Dci-1].PtrHi = XHC_HIGH_32BIT (PhyAddr);\r
+\r
+ EpDesc = (USB_ENDPOINT_DESCRIPTOR *)((UINTN)EpDesc + EpDesc->Length);\r
+ }\r
+\r
+ return MaxDci;\r
+}\r
+\r
+/**\r
+ Configure all the device endpoints through XHCI's Configure_Endpoint cmd.\r
+\r
+ @param Xhc The XHCI Instance.\r
+ @param SlotId The slot id to be configured.\r
+ @param DeviceSpeed The device's speed.\r
+ @param ConfigDesc The pointer to the usb device configuration descriptor.\r
+\r
+ @retval EFI_SUCCESS Successfully configure all the device endpoints.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+XhcSetConfigCmd (\r
+ IN USB_XHCI_INSTANCE *Xhc,\r
+ IN UINT8 SlotId,\r
+ IN UINT8 DeviceSpeed,\r
+ IN USB_CONFIG_DESCRIPTOR *ConfigDesc\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ USB_INTERFACE_DESCRIPTOR *IfDesc;\r
+ UINT8 Index;\r
+ UINT8 Dci;\r
+ UINT8 MaxDci;\r
+ EFI_PHYSICAL_ADDRESS PhyAddr;\r
+\r
+ CMD_TRB_CONFIG_ENDPOINT CmdTrbCfgEP;\r
+ INPUT_CONTEXT *InputContext;\r
+ DEVICE_CONTEXT *OutputContext;\r
+ EVT_TRB_COMMAND_COMPLETION *EvtTrb;\r
+ //\r
+ // 4.6.6 Configure Endpoint\r
+ //\r
+ InputContext = Xhc->UsbDevContext[SlotId].InputContext;\r
+ OutputContext = Xhc->UsbDevContext[SlotId].OutputContext;\r
+ ZeroMem (InputContext, sizeof (INPUT_CONTEXT));\r
+ CopyMem (&InputContext->Slot, &OutputContext->Slot, sizeof (SLOT_CONTEXT));\r
+\r
+ ASSERT (ConfigDesc != NULL);\r
+\r
+ MaxDci = 0;\r
+\r
+ IfDesc = (USB_INTERFACE_DESCRIPTOR *)(ConfigDesc + 1);\r
+ for (Index = 0; Index < ConfigDesc->NumInterfaces; Index++) {\r
+ while ((IfDesc->DescriptorType != USB_DESC_TYPE_INTERFACE) || (IfDesc->AlternateSetting != 0)) {\r
+ IfDesc = (USB_INTERFACE_DESCRIPTOR *)((UINTN)IfDesc + IfDesc->Length);\r
+ }\r
+\r
+ if (IfDesc->Length < sizeof (USB_INTERFACE_DESCRIPTOR)) {\r
+ IfDesc = (USB_INTERFACE_DESCRIPTOR *)((UINTN)IfDesc + IfDesc->Length);\r
+ continue;\r
+ }\r
+\r
+ Dci = XhcInitializeEndpointContext (Xhc, SlotId, DeviceSpeed, InputContext, IfDesc);\r
+ if (Dci > MaxDci) {\r
+ MaxDci = Dci;\r
+ }\r
+\r
+ IfDesc = (USB_INTERFACE_DESCRIPTOR *)((UINTN)IfDesc + IfDesc->Length);\r
+ }\r
+\r
+ InputContext->InputControlContext.Dword2 |= BIT0;\r
+ InputContext->Slot.ContextEntries = MaxDci;\r
+ //\r
+ // configure endpoint\r
+ //\r
+ ZeroMem (&CmdTrbCfgEP, sizeof (CmdTrbCfgEP));\r
+ PhyAddr = UsbHcGetPciAddrForHostAddr (Xhc->MemPool, InputContext, sizeof (INPUT_CONTEXT));\r
+ CmdTrbCfgEP.PtrLo = XHC_LOW_32BIT (PhyAddr);\r
+ CmdTrbCfgEP.PtrHi = XHC_HIGH_32BIT (PhyAddr);\r
+ CmdTrbCfgEP.CycleBit = 1;\r
+ CmdTrbCfgEP.Type = TRB_TYPE_CON_ENDPOINT;\r
+ CmdTrbCfgEP.SlotId = Xhc->UsbDevContext[SlotId].SlotId;\r
+ DEBUG ((EFI_D_INFO, "Configure Endpoint\n"));\r
+ Status = XhcCmdTransfer (\r
+ Xhc,\r
+ (TRB_TEMPLATE *) (UINTN) &CmdTrbCfgEP,\r
+ XHC_GENERIC_TIMEOUT,\r
+ (TRB_TEMPLATE **) (UINTN) &EvtTrb\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ DEBUG ((EFI_D_ERROR, "XhcSetConfigCmd: Config Endpoint Failed, Status = %r\n", Status));\r
+ } else {\r
+ Xhc->UsbDevContext[SlotId].ActiveConfiguration = ConfigDesc->ConfigurationValue;\r
+ }\r
+\r
+ return Status;\r
+}\r
+\r
+/**\r
+ Configure all the device endpoints through XHCI's Configure_Endpoint cmd.\r
+\r
+ @param Xhc The XHCI Instance.\r
+ @param SlotId The slot id to be configured.\r
+ @param DeviceSpeed The device's speed.\r
+ @param ConfigDesc The pointer to the usb device configuration descriptor.\r
+\r
+ @retval EFI_SUCCESS Successfully configure all the device endpoints.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+XhcSetConfigCmd64 (\r
+ IN USB_XHCI_INSTANCE *Xhc,\r
+ IN UINT8 SlotId,\r
+ IN UINT8 DeviceSpeed,\r
+ IN USB_CONFIG_DESCRIPTOR *ConfigDesc\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ USB_INTERFACE_DESCRIPTOR *IfDesc;\r
+ UINT8 Index;\r
+ UINT8 Dci;\r
+ UINT8 MaxDci;\r
+ EFI_PHYSICAL_ADDRESS PhyAddr;\r
+\r
+ CMD_TRB_CONFIG_ENDPOINT CmdTrbCfgEP;\r
+ INPUT_CONTEXT_64 *InputContext;\r
+ DEVICE_CONTEXT_64 *OutputContext;\r
+ EVT_TRB_COMMAND_COMPLETION *EvtTrb;\r
+ //\r
+ // 4.6.6 Configure Endpoint\r
+ //\r
+ InputContext = Xhc->UsbDevContext[SlotId].InputContext;\r
+ OutputContext = Xhc->UsbDevContext[SlotId].OutputContext;\r
+ ZeroMem (InputContext, sizeof (INPUT_CONTEXT_64));\r
+ CopyMem (&InputContext->Slot, &OutputContext->Slot, sizeof (SLOT_CONTEXT_64));\r
+\r
+ ASSERT (ConfigDesc != NULL);\r
+\r
+ MaxDci = 0;\r
+\r
+ IfDesc = (USB_INTERFACE_DESCRIPTOR *)(ConfigDesc + 1);\r
+ for (Index = 0; Index < ConfigDesc->NumInterfaces; Index++) {\r
+ while ((IfDesc->DescriptorType != USB_DESC_TYPE_INTERFACE) || (IfDesc->AlternateSetting != 0)) {\r
+ IfDesc = (USB_INTERFACE_DESCRIPTOR *)((UINTN)IfDesc + IfDesc->Length);\r
+ }\r
+\r
+ if (IfDesc->Length < sizeof (USB_INTERFACE_DESCRIPTOR)) {\r
+ IfDesc = (USB_INTERFACE_DESCRIPTOR *)((UINTN)IfDesc + IfDesc->Length);\r
+ continue;\r
+ }\r
+\r
+ Dci = XhcInitializeEndpointContext64 (Xhc, SlotId, DeviceSpeed, InputContext, IfDesc);\r
+ if (Dci > MaxDci) {\r
+ MaxDci = Dci;\r
+ }\r
+ \r
+ IfDesc = (USB_INTERFACE_DESCRIPTOR *)((UINTN)IfDesc + IfDesc->Length);\r
+ }\r
+\r
+ InputContext->InputControlContext.Dword2 |= BIT0;\r
+ InputContext->Slot.ContextEntries = MaxDci;\r
+ //\r
+ // configure endpoint\r
+ //\r
+ ZeroMem (&CmdTrbCfgEP, sizeof (CmdTrbCfgEP));\r
+ PhyAddr = UsbHcGetPciAddrForHostAddr (Xhc->MemPool, InputContext, sizeof (INPUT_CONTEXT_64));\r
+ CmdTrbCfgEP.PtrLo = XHC_LOW_32BIT (PhyAddr);\r
+ CmdTrbCfgEP.PtrHi = XHC_HIGH_32BIT (PhyAddr);\r
+ CmdTrbCfgEP.CycleBit = 1;\r
+ CmdTrbCfgEP.Type = TRB_TYPE_CON_ENDPOINT;\r
+ CmdTrbCfgEP.SlotId = Xhc->UsbDevContext[SlotId].SlotId;\r
+ DEBUG ((EFI_D_INFO, "Configure Endpoint\n"));\r
+ Status = XhcCmdTransfer (\r
+ Xhc,\r
+ (TRB_TEMPLATE *) (UINTN) &CmdTrbCfgEP,\r
+ XHC_GENERIC_TIMEOUT,\r
+ (TRB_TEMPLATE **) (UINTN) &EvtTrb\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ DEBUG ((EFI_D_ERROR, "XhcSetConfigCmd64: Config Endpoint Failed, Status = %r\n", Status));\r
+ } else {\r
+ Xhc->UsbDevContext[SlotId].ActiveConfiguration = ConfigDesc->ConfigurationValue;\r
+ }\r
+\r
+ return Status;\r
+}\r
+\r
+/**\r
+ Stop endpoint through XHCI's Stop_Endpoint cmd.\r
+\r
+ @param Xhc The XHCI Instance.\r
+ @param SlotId The slot id to be configured.\r
+ @param Dci The device context index of endpoint.\r
+ @param PendingUrb The pending URB to check completion status when stopping the end point.\r
+\r
+ @retval EFI_SUCCESS Stop endpoint successfully.\r
+ @retval Others Failed to stop endpoint.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+XhcStopEndpoint (\r
+ IN USB_XHCI_INSTANCE *Xhc,\r
+ IN UINT8 SlotId,\r
+ IN UINT8 Dci,\r
+ IN URB *PendingUrb OPTIONAL\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ EVT_TRB_COMMAND_COMPLETION *EvtTrb;\r
+ CMD_TRB_STOP_ENDPOINT CmdTrbStopED;\r
+\r
+ DEBUG ((EFI_D_INFO, "XhcStopEndpoint: Slot = 0x%x, Dci = 0x%x\n", SlotId, Dci));\r
+\r
+ //\r
+ // When XhcCheckUrbResult waits for the Stop_Endpoint completion, it also checks\r
+ // the PendingUrb completion status, because it's possible that the PendingUrb is\r
+ // finished just before stopping the end point, but after the looping check.\r
+ //\r
+ // The PendingUrb could be passed to XhcCmdTransfer to XhcExecTransfer to XhcCheckUrbResult\r
+ // through function parameter, but That will cause every consumer of XhcCmdTransfer,\r
+ // XhcExecTransfer and XhcCheckUrbResult pass a NULL PendingUrb.\r
+ // But actually only XhcCheckUrbResult is aware of the PendingUrb.\r
+ // So we choose to save the PendingUrb into the USB_XHCI_INSTANCE and use it in XhcCheckUrbResult.\r
+ //\r
+ ASSERT (Xhc->PendingUrb == NULL);\r
+ Xhc->PendingUrb = PendingUrb;\r
+ //\r
+ // Reset the URB result from Timeout to NoError.\r
+ // The USB result will be:\r
+ // changed to Timeout when Stop/StopInvalidLength Transfer Event is received, or\r
+ // remain NoError when Success/ShortPacket Transfer Event is received.\r
+ //\r
+ if (PendingUrb != NULL) {\r
+ PendingUrb->Result = EFI_USB_NOERROR;\r
+ }\r
+\r
+ //\r
+ // Send stop endpoint command to transit Endpoint from running to stop state\r
+ //\r
+ ZeroMem (&CmdTrbStopED, sizeof (CmdTrbStopED));\r
+ CmdTrbStopED.CycleBit = 1;\r
+ CmdTrbStopED.Type = TRB_TYPE_STOP_ENDPOINT;\r
+ CmdTrbStopED.EDID = Dci;\r
+ CmdTrbStopED.SlotId = SlotId;\r
+ Status = XhcCmdTransfer (\r
+ Xhc,\r
+ (TRB_TEMPLATE *) (UINTN) &CmdTrbStopED,\r
+ XHC_GENERIC_TIMEOUT,\r
+ (TRB_TEMPLATE **) (UINTN) &EvtTrb\r
+ );\r
+ if (EFI_ERROR(Status)) {\r
+ DEBUG ((EFI_D_ERROR, "XhcStopEndpoint: Stop Endpoint Failed, Status = %r\n", Status));\r
+ }\r
+\r
+ Xhc->PendingUrb = NULL;\r
+\r
+ return Status;\r
+}\r
+\r
+/**\r
+ Reset endpoint through XHCI's Reset_Endpoint cmd.\r
+\r
+ @param Xhc The XHCI Instance.\r
+ @param SlotId The slot id to be configured.\r
+ @param Dci The device context index of endpoint.\r
+\r
+ @retval EFI_SUCCESS Reset endpoint successfully.\r
+ @retval Others Failed to reset endpoint.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+XhcResetEndpoint (\r
+ IN USB_XHCI_INSTANCE *Xhc,\r
+ IN UINT8 SlotId,\r
+ IN UINT8 Dci\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ EVT_TRB_COMMAND_COMPLETION *EvtTrb;\r
+ CMD_TRB_RESET_ENDPOINT CmdTrbResetED;\r
+\r
+ DEBUG ((EFI_D_INFO, "XhcResetEndpoint: Slot = 0x%x, Dci = 0x%x\n", SlotId, Dci));\r
+\r
+ //\r
+ // Send stop endpoint command to transit Endpoint from running to stop state\r
+ //\r
+ ZeroMem (&CmdTrbResetED, sizeof (CmdTrbResetED));\r
+ CmdTrbResetED.CycleBit = 1;\r
+ CmdTrbResetED.Type = TRB_TYPE_RESET_ENDPOINT;\r
+ CmdTrbResetED.EDID = Dci;\r
+ CmdTrbResetED.SlotId = SlotId;\r
+ Status = XhcCmdTransfer (\r
+ Xhc,\r
+ (TRB_TEMPLATE *) (UINTN) &CmdTrbResetED,\r
+ XHC_GENERIC_TIMEOUT,\r
+ (TRB_TEMPLATE **) (UINTN) &EvtTrb\r
+ );\r
+ if (EFI_ERROR(Status)) {\r
+ DEBUG ((EFI_D_ERROR, "XhcResetEndpoint: Reset Endpoint Failed, Status = %r\n", Status));\r
+ }\r
+\r
+ return Status;\r
+}\r
+\r
+/**\r
+ Set transfer ring dequeue pointer through XHCI's Set_Tr_Dequeue_Pointer cmd.\r
+\r
+ @param Xhc The XHCI Instance.\r
+ @param SlotId The slot id to be configured.\r
+ @param Dci The device context index of endpoint.\r
+ @param Urb The dequeue pointer of the transfer ring specified\r
+ by the urb to be updated.\r
+\r
+ @retval EFI_SUCCESS Set transfer ring dequeue pointer succeeds.\r
+ @retval Others Failed to set transfer ring dequeue pointer.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+XhcSetTrDequeuePointer (\r
+ IN USB_XHCI_INSTANCE *Xhc,\r
+ IN UINT8 SlotId,\r
+ IN UINT8 Dci,\r
+ IN URB *Urb\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ EVT_TRB_COMMAND_COMPLETION *EvtTrb;\r
+ CMD_SET_TR_DEQ_POINTER CmdSetTRDeq;\r
+ EFI_PHYSICAL_ADDRESS PhyAddr;\r
+\r
+ DEBUG ((EFI_D_INFO, "XhcSetTrDequeuePointer: Slot = 0x%x, Dci = 0x%x, Urb = 0x%x\n", SlotId, Dci, Urb));\r
+\r
+ //\r
+ // Send stop endpoint command to transit Endpoint from running to stop state\r
+ //\r
+ ZeroMem (&CmdSetTRDeq, sizeof (CmdSetTRDeq));\r
+ PhyAddr = UsbHcGetPciAddrForHostAddr (Xhc->MemPool, Urb->Ring->RingEnqueue, sizeof (CMD_SET_TR_DEQ_POINTER));\r
+ CmdSetTRDeq.PtrLo = XHC_LOW_32BIT (PhyAddr) | Urb->Ring->RingPCS;\r
+ CmdSetTRDeq.PtrHi = XHC_HIGH_32BIT (PhyAddr);\r
+ CmdSetTRDeq.CycleBit = 1;\r
+ CmdSetTRDeq.Type = TRB_TYPE_SET_TR_DEQUE;\r
+ CmdSetTRDeq.Endpoint = Dci;\r
+ CmdSetTRDeq.SlotId = SlotId;\r
+ Status = XhcCmdTransfer (\r
+ Xhc,\r
+ (TRB_TEMPLATE *) (UINTN) &CmdSetTRDeq,\r
+ XHC_GENERIC_TIMEOUT,\r
+ (TRB_TEMPLATE **) (UINTN) &EvtTrb\r
+ );\r
+ if (EFI_ERROR(Status)) {\r
+ DEBUG ((EFI_D_ERROR, "XhcSetTrDequeuePointer: Set TR Dequeue Pointer Failed, Status = %r\n", Status));\r
+ }\r
+\r
+ return Status;\r
+}\r
+\r
+/**\r
+ Set interface through XHCI's Configure_Endpoint cmd.\r
+\r
+ @param Xhc The XHCI Instance.\r
+ @param SlotId The slot id to be configured.\r
+ @param DeviceSpeed The device's speed.\r
+ @param ConfigDesc The pointer to the usb device configuration descriptor.\r
+ @param Request USB device request to send.\r
+\r
+ @retval EFI_SUCCESS Successfully set interface.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+XhcSetInterface (\r
+ IN USB_XHCI_INSTANCE *Xhc,\r
+ IN UINT8 SlotId,\r
+ IN UINT8 DeviceSpeed,\r
+ IN USB_CONFIG_DESCRIPTOR *ConfigDesc,\r
+ IN EFI_USB_DEVICE_REQUEST *Request\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ USB_INTERFACE_DESCRIPTOR *IfDescActive;\r
+ USB_INTERFACE_DESCRIPTOR *IfDescSet;\r
+ USB_INTERFACE_DESCRIPTOR *IfDesc;\r
+ USB_ENDPOINT_DESCRIPTOR *EpDesc;\r
+ UINTN NumEp;\r
+ UINTN EpIndex;\r
+ UINT8 EpAddr;\r
+ UINT8 Direction;\r
+ UINT8 Dci;\r
+ UINT8 MaxDci;\r
+ EFI_PHYSICAL_ADDRESS PhyAddr;\r
+ VOID *RingSeg;\r
+\r
+ CMD_TRB_CONFIG_ENDPOINT CmdTrbCfgEP;\r
+ INPUT_CONTEXT *InputContext;\r
+ DEVICE_CONTEXT *OutputContext;\r
+ EVT_TRB_COMMAND_COMPLETION *EvtTrb;\r
+\r
+ Status = EFI_SUCCESS;\r
+\r
+ InputContext = Xhc->UsbDevContext[SlotId].InputContext;\r
+ OutputContext = Xhc->UsbDevContext[SlotId].OutputContext;\r
+ //\r
+ // XHCI 4.6.6 Configure Endpoint\r
+ // When this command is used to "Set an Alternate Interface on a device", software shall set the Drop\r
+ // Context and Add Context flags as follows:\r
+ // 1) If an endpoint is not modified by the Alternate Interface setting, then software shall set the Drop\r
+ // Context and Add Context flags to '0'.\r
+ //\r
+ // Except the interface indicated by Reqeust->Index, no impact to other interfaces.\r
+ // So the default Drop Context and Add Context flags can be '0' to cover 1).\r
+ //\r
+ ZeroMem (InputContext, sizeof (INPUT_CONTEXT));\r
+ CopyMem (&InputContext->Slot, &OutputContext->Slot, sizeof (SLOT_CONTEXT));\r
+\r
+ ASSERT (ConfigDesc != NULL);\r
+\r
+ MaxDci = 0;\r
+\r
+ IfDescActive = NULL;\r
+ IfDescSet = NULL;\r
+\r
+ IfDesc = (USB_INTERFACE_DESCRIPTOR *)(ConfigDesc + 1);\r
+ while ((UINTN) IfDesc < ((UINTN) ConfigDesc + ConfigDesc->TotalLength)) {\r
+ if ((IfDesc->DescriptorType == USB_DESC_TYPE_INTERFACE) && (IfDesc->Length >= sizeof (USB_INTERFACE_DESCRIPTOR))) {\r
+ if (IfDesc->InterfaceNumber == (UINT8) Request->Index) {\r
+ if (IfDesc->AlternateSetting == Xhc->UsbDevContext[SlotId].ActiveAlternateSetting[IfDesc->InterfaceNumber]) {\r
+ //\r
+ // Find out the active interface descriptor.\r
+ //\r
+ IfDescActive = IfDesc;\r
+ } else if (IfDesc->AlternateSetting == (UINT8) Request->Value) {\r
+ //\r
+ // Find out the interface descriptor to set.\r
+ //\r
+ IfDescSet = IfDesc;\r
+ }\r
+ }\r
+ }\r
+ IfDesc = (USB_INTERFACE_DESCRIPTOR *)((UINTN)IfDesc + IfDesc->Length);\r
+ }\r
+\r
+ //\r
+ // XHCI 4.6.6 Configure Endpoint\r
+ // When this command is used to "Set an Alternate Interface on a device", software shall set the Drop\r
+ // Context and Add Context flags as follows:\r
+ // 2) If an endpoint previously disabled, is enabled by the Alternate Interface setting, then software shall set\r
+ // the Drop Context flag to '0' and Add Context flag to '1', and initialize the Input Endpoint Context.\r
+ // 3) If an endpoint previously enabled, is disabled by the Alternate Interface setting, then software shall set\r
+ // the Drop Context flag to '1' and Add Context flag to '0'.\r
+ // 4) If a parameter of an enabled endpoint is modified by an Alternate Interface setting, the Drop Context\r
+ // and Add Context flags shall be set to '1'.\r
+ //\r
+ // Below codes are to cover 2), 3) and 4).\r
+ //\r
+\r
+ if ((IfDescActive != NULL) && (IfDescSet != NULL)) {\r
+ NumEp = IfDescActive->NumEndpoints;\r
+ EpDesc = (USB_ENDPOINT_DESCRIPTOR *) (IfDescActive + 1);\r
+ for (EpIndex = 0; EpIndex < NumEp; EpIndex++) {\r
+ while (EpDesc->DescriptorType != USB_DESC_TYPE_ENDPOINT) {\r
+ EpDesc = (USB_ENDPOINT_DESCRIPTOR *)((UINTN)EpDesc + EpDesc->Length);\r
+ }\r
+\r
+ if (EpDesc->Length < sizeof (USB_ENDPOINT_DESCRIPTOR)) {\r
+ EpDesc = (USB_ENDPOINT_DESCRIPTOR *)((UINTN)EpDesc + EpDesc->Length);\r
+ continue;\r
+ }\r
+\r
+ EpAddr = (UINT8) (EpDesc->EndpointAddress & 0x0F);\r
+ Direction = (UINT8) ((EpDesc->EndpointAddress & 0x80) ? EfiUsbDataIn : EfiUsbDataOut);\r
+\r
+ Dci = XhcEndpointToDci (EpAddr, Direction);\r
+ ASSERT (Dci < 32);\r
+ if (Dci > MaxDci) {\r
+ MaxDci = Dci;\r
+ }\r
+ //\r
+ // XHCI 4.3.6 - Setting Alternate Interfaces\r
+ // 1) Stop any Running Transfer Rings affected by the Alternate Interface setting.\r
+ //\r
+ Status = XhcStopEndpoint (Xhc, SlotId, Dci, NULL);\r
+ if (EFI_ERROR (Status)) {\r
+ return Status;\r
+ }\r
+ //\r
+ // XHCI 4.3.6 - Setting Alternate Interfaces\r
+ // 2) Free Transfer Rings of all endpoints that will be affected by the Alternate Interface setting.\r
+ //\r
+ if (Xhc->UsbDevContext[SlotId].EndpointTransferRing[Dci - 1] != NULL) {\r
+ RingSeg = ((TRANSFER_RING *)(UINTN)Xhc->UsbDevContext[SlotId].EndpointTransferRing[Dci - 1])->RingSeg0;\r
+ if (RingSeg != NULL) {\r
+ UsbHcFreeMem (Xhc->MemPool, RingSeg, sizeof (TRB_TEMPLATE) * TR_RING_TRB_NUMBER);\r
+ }\r
+ FreePool (Xhc->UsbDevContext[SlotId].EndpointTransferRing[Dci - 1]);\r
+ Xhc->UsbDevContext[SlotId].EndpointTransferRing[Dci - 1] = NULL;\r
+ }\r
+\r
+ //\r
+ // Set the Drop Context flag to '1'.\r
+ //\r
+ InputContext->InputControlContext.Dword1 |= (BIT0 << Dci);\r
+\r
+ EpDesc = (USB_ENDPOINT_DESCRIPTOR *)((UINTN)EpDesc + EpDesc->Length);\r
+ }\r
+\r
+ //\r
+ // XHCI 4.3.6 - Setting Alternate Interfaces\r
+ // 3) Clear all the Endpoint Context fields of each endpoint that will be disabled by the Alternate\r
+ // Interface setting, to '0'.\r
+ //\r
+ // The step 3) has been covered by the ZeroMem () to InputContext at the start of the function.\r
+ //\r
+\r
+ //\r
+ // XHCI 4.3.6 - Setting Alternate Interfaces\r
+ // 4) For each endpoint enabled by the Configure Endpoint Command:\r
+ // a. Allocate a Transfer Ring.\r
+ // b. Initialize the Transfer Ring Segment(s) by clearing all fields of all TRBs to '0'.\r
+ // c. Initialize the Endpoint Context data structure.\r
+ //\r
+ Dci = XhcInitializeEndpointContext (Xhc, SlotId, DeviceSpeed, InputContext, IfDescSet);\r
+ if (Dci > MaxDci) {\r
+ MaxDci = Dci;\r
+ }\r
+\r
+ InputContext->InputControlContext.Dword2 |= BIT0;\r
+ InputContext->Slot.ContextEntries = MaxDci;\r
+ //\r
+ // XHCI 4.3.6 - Setting Alternate Interfaces\r
+ // 5) Issue and successfully complete a Configure Endpoint Command.\r
+ //\r
+ ZeroMem (&CmdTrbCfgEP, sizeof (CmdTrbCfgEP));\r
+ PhyAddr = UsbHcGetPciAddrForHostAddr (Xhc->MemPool, InputContext, sizeof (INPUT_CONTEXT));\r
+ CmdTrbCfgEP.PtrLo = XHC_LOW_32BIT (PhyAddr);\r
+ CmdTrbCfgEP.PtrHi = XHC_HIGH_32BIT (PhyAddr);\r
+ CmdTrbCfgEP.CycleBit = 1;\r
+ CmdTrbCfgEP.Type = TRB_TYPE_CON_ENDPOINT;\r
+ CmdTrbCfgEP.SlotId = Xhc->UsbDevContext[SlotId].SlotId;\r
+ DEBUG ((EFI_D_INFO, "SetInterface: Configure Endpoint\n"));\r
+ Status = XhcCmdTransfer (\r
+ Xhc,\r
+ (TRB_TEMPLATE *) (UINTN) &CmdTrbCfgEP,\r
+ XHC_GENERIC_TIMEOUT,\r
+ (TRB_TEMPLATE **) (UINTN) &EvtTrb\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ DEBUG ((EFI_D_ERROR, "SetInterface: Config Endpoint Failed, Status = %r\n", Status));\r
+ } else {\r
+ //\r
+ // Update the active AlternateSetting.\r
+ //\r
+ Xhc->UsbDevContext[SlotId].ActiveAlternateSetting[(UINT8) Request->Index] = (UINT8) Request->Value;\r
+ }\r
+ }\r
\r
return Status;\r
}\r
\r
/**\r
- Configure all the device endpoints through XHCI's Configure_Endpoint cmd.\r
+ Set interface through XHCI's Configure_Endpoint cmd.\r
\r
@param Xhc The XHCI Instance.\r
@param SlotId The slot id to be configured.\r
@param DeviceSpeed The device's speed.\r
@param ConfigDesc The pointer to the usb device configuration descriptor.\r
+ @param Request USB device request to send.\r
\r
- @retval EFI_SUCCESS Successfully configure all the device endpoints.\r
+ @retval EFI_SUCCESS Successfully set interface.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
-XhcSetConfigCmd (\r
+XhcSetInterface64 (\r
IN USB_XHCI_INSTANCE *Xhc,\r
IN UINT8 SlotId,\r
IN UINT8 DeviceSpeed,\r
- IN USB_CONFIG_DESCRIPTOR *ConfigDesc\r
+ IN USB_CONFIG_DESCRIPTOR *ConfigDesc,\r
+ IN EFI_USB_DEVICE_REQUEST *Request\r
)\r
{\r
EFI_STATUS Status;\r
-\r
+ USB_INTERFACE_DESCRIPTOR *IfDescActive;\r
+ USB_INTERFACE_DESCRIPTOR *IfDescSet;\r
USB_INTERFACE_DESCRIPTOR *IfDesc;\r
USB_ENDPOINT_DESCRIPTOR *EpDesc;\r
- UINT8 Index;\r
UINTN NumEp;\r
UINTN EpIndex;\r
UINT8 EpAddr;\r
UINT8 Direction;\r
UINT8 Dci;\r
UINT8 MaxDci;\r
- UINT32 PhyAddr;\r
- UINT8 Interval;\r
+ EFI_PHYSICAL_ADDRESS PhyAddr;\r
+ VOID *RingSeg;\r
\r
- TRANSFER_RING *EndpointTransferRing;\r
CMD_TRB_CONFIG_ENDPOINT CmdTrbCfgEP;\r
- INPUT_CONTEXT *InputContext;\r
- DEVICE_CONTEXT *OutputContext;\r
+ INPUT_CONTEXT_64 *InputContext;\r
+ DEVICE_CONTEXT_64 *OutputContext;\r
EVT_TRB_COMMAND_COMPLETION *EvtTrb;\r
- //\r
- // 4.6.6 Configure Endpoint\r
- //\r
+\r
+ Status = EFI_SUCCESS;\r
+\r
InputContext = Xhc->UsbDevContext[SlotId].InputContext;\r
OutputContext = Xhc->UsbDevContext[SlotId].OutputContext;\r
- ZeroMem (InputContext, sizeof (INPUT_CONTEXT));\r
- CopyMem (&InputContext->Slot, &OutputContext->Slot, sizeof (SLOT_CONTEXT));\r
+ //\r
+ // XHCI 4.6.6 Configure Endpoint\r
+ // When this command is used to "Set an Alternate Interface on a device", software shall set the Drop\r
+ // Context and Add Context flags as follows:\r
+ // 1) If an endpoint is not modified by the Alternate Interface setting, then software shall set the Drop\r
+ // Context and Add Context flags to '0'.\r
+ //\r
+ // Except the interface indicated by Reqeust->Index, no impact to other interfaces.\r
+ // So the default Drop Context and Add Context flags can be '0' to cover 1).\r
+ //\r
+ ZeroMem (InputContext, sizeof (INPUT_CONTEXT_64));\r
+ CopyMem (&InputContext->Slot, &OutputContext->Slot, sizeof (SLOT_CONTEXT_64));\r
\r
ASSERT (ConfigDesc != NULL);\r
\r
MaxDci = 0;\r
\r
+ IfDescActive = NULL;\r
+ IfDescSet = NULL;\r
+\r
IfDesc = (USB_INTERFACE_DESCRIPTOR *)(ConfigDesc + 1);\r
- for (Index = 0; Index < ConfigDesc->NumInterfaces; Index++) {\r
- while (IfDesc->DescriptorType != USB_DESC_TYPE_INTERFACE) {\r
- IfDesc = (USB_INTERFACE_DESCRIPTOR *)((UINTN)IfDesc + IfDesc->Length);\r
+ while ((UINTN) IfDesc < ((UINTN) ConfigDesc + ConfigDesc->TotalLength)) {\r
+ if ((IfDesc->DescriptorType == USB_DESC_TYPE_INTERFACE) && (IfDesc->Length >= sizeof (USB_INTERFACE_DESCRIPTOR))) {\r
+ if (IfDesc->InterfaceNumber == (UINT8) Request->Index) {\r
+ if (IfDesc->AlternateSetting == Xhc->UsbDevContext[SlotId].ActiveAlternateSetting[IfDesc->InterfaceNumber]) {\r
+ //\r
+ // Find out the active interface descriptor.\r
+ //\r
+ IfDescActive = IfDesc;\r
+ } else if (IfDesc->AlternateSetting == (UINT8) Request->Value) {\r
+ //\r
+ // Find out the interface descriptor to set.\r
+ //\r
+ IfDescSet = IfDesc;\r
+ }\r
+ }\r
}\r
+ IfDesc = (USB_INTERFACE_DESCRIPTOR *)((UINTN)IfDesc + IfDesc->Length);\r
+ }\r
\r
- NumEp = IfDesc->NumEndpoints;\r
+ //\r
+ // XHCI 4.6.6 Configure Endpoint\r
+ // When this command is used to "Set an Alternate Interface on a device", software shall set the Drop\r
+ // Context and Add Context flags as follows:\r
+ // 2) If an endpoint previously disabled, is enabled by the Alternate Interface setting, then software shall set\r
+ // the Drop Context flag to '0' and Add Context flag to '1', and initialize the Input Endpoint Context.\r
+ // 3) If an endpoint previously enabled, is disabled by the Alternate Interface setting, then software shall set\r
+ // the Drop Context flag to '1' and Add Context flag to '0'.\r
+ // 4) If a parameter of an enabled endpoint is modified by an Alternate Interface setting, the Drop Context\r
+ // and Add Context flags shall be set to '1'.\r
+ //\r
+ // Below codes are to cover 2), 3) and 4).\r
+ //\r
\r
- EpDesc = (USB_ENDPOINT_DESCRIPTOR *)(IfDesc + 1);\r
+ if ((IfDescActive != NULL) && (IfDescSet != NULL)) {\r
+ NumEp = IfDescActive->NumEndpoints;\r
+ EpDesc = (USB_ENDPOINT_DESCRIPTOR *) (IfDescActive + 1);\r
for (EpIndex = 0; EpIndex < NumEp; EpIndex++) {\r
while (EpDesc->DescriptorType != USB_DESC_TYPE_ENDPOINT) {\r
EpDesc = (USB_ENDPOINT_DESCRIPTOR *)((UINTN)EpDesc + EpDesc->Length);\r
}\r
\r
- EpAddr = (UINT8)(EpDesc->EndpointAddress & 0x0F);\r
- Direction = (UINT8)((EpDesc->EndpointAddress & 0x80) ? EfiUsbDataIn : EfiUsbDataOut);\r
+ if (EpDesc->Length < sizeof (USB_ENDPOINT_DESCRIPTOR)) {\r
+ EpDesc = (USB_ENDPOINT_DESCRIPTOR *)((UINTN)EpDesc + EpDesc->Length);\r
+ continue;\r
+ }\r
+\r
+ EpAddr = (UINT8) (EpDesc->EndpointAddress & 0x0F);\r
+ Direction = (UINT8) ((EpDesc->EndpointAddress & 0x80) ? EfiUsbDataIn : EfiUsbDataOut);\r
\r
Dci = XhcEndpointToDci (EpAddr, Direction);\r
ASSERT (Dci < 32);\r
if (Dci > MaxDci) {\r
MaxDci = Dci;\r
}\r
-\r
- InputContext->InputControlContext.Dword2 |= (BIT0 << Dci);\r
- InputContext->EP[Dci-1].MaxPacketSize = EpDesc->MaxPacketSize;\r
-\r
- if (DeviceSpeed == EFI_USB_SPEED_SUPER) {\r
- //\r
- // 6.2.3.4, shall be set to the value defined in the bMaxBurst field of the SuperSpeed Endpoint Companion Descriptor.\r
- //\r
- InputContext->EP[Dci-1].MaxBurstSize = 0x0;\r
- } else {\r
- InputContext->EP[Dci-1].MaxBurstSize = 0x0;\r
+ //\r
+ // XHCI 4.3.6 - Setting Alternate Interfaces\r
+ // 1) Stop any Running Transfer Rings affected by the Alternate Interface setting.\r
+ //\r
+ Status = XhcStopEndpoint (Xhc, SlotId, Dci, NULL);\r
+ if (EFI_ERROR (Status)) {\r
+ return Status;\r
}\r
-\r
- switch (EpDesc->Attributes & USB_ENDPOINT_TYPE_MASK) {\r
- case USB_ENDPOINT_BULK:\r
- if (Direction == EfiUsbDataIn) {\r
- InputContext->EP[Dci-1].CErr = 3;\r
- InputContext->EP[Dci-1].EPType = ED_BULK_IN;\r
- } else {\r
- InputContext->EP[Dci-1].CErr = 3;\r
- InputContext->EP[Dci-1].EPType = ED_BULK_OUT;\r
- }\r
-\r
- InputContext->EP[Dci-1].AverageTRBLength = 0x1000;\r
- if (Xhc->UsbDevContext[SlotId].EndpointTransferRing[Dci-1] == NULL) {\r
- EndpointTransferRing = AllocateZeroPool(sizeof (TRANSFER_RING));\r
- Xhc->UsbDevContext[SlotId].EndpointTransferRing[Dci-1] = (VOID *) EndpointTransferRing;\r
- CreateTransferRing(Xhc, TR_RING_TRB_NUMBER, (TRANSFER_RING *)Xhc->UsbDevContext[SlotId].EndpointTransferRing[Dci-1]);\r
- }\r
-\r
- break;\r
- case USB_ENDPOINT_ISO:\r
- if (Direction == EfiUsbDataIn) {\r
- InputContext->EP[Dci-1].CErr = 0;\r
- InputContext->EP[Dci-1].EPType = ED_ISOCH_IN;\r
- } else {\r
- InputContext->EP[Dci-1].CErr = 0;\r
- InputContext->EP[Dci-1].EPType = ED_ISOCH_OUT;\r
- }\r
- break;\r
- case USB_ENDPOINT_INTERRUPT:\r
- if (Direction == EfiUsbDataIn) {\r
- InputContext->EP[Dci-1].CErr = 3;\r
- InputContext->EP[Dci-1].EPType = ED_INTERRUPT_IN;\r
- } else {\r
- InputContext->EP[Dci-1].CErr = 3;\r
- InputContext->EP[Dci-1].EPType = ED_INTERRUPT_OUT;\r
- }\r
- InputContext->EP[Dci-1].AverageTRBLength = 0x1000;\r
- InputContext->EP[Dci-1].MaxESITPayload = EpDesc->MaxPacketSize;\r
- //\r
- // Get the bInterval from descriptor and init the the interval field of endpoint context\r
- //\r
- if ((DeviceSpeed == EFI_USB_SPEED_FULL) || (DeviceSpeed == EFI_USB_SPEED_LOW)) {\r
- Interval = EpDesc->Interval;\r
- //\r
- // Hard code the interval to MAX first, need calculate through the bInterval field of Endpoint descriptor.\r
- //\r
- InputContext->EP[Dci-1].Interval = 6;\r
- } else if ((DeviceSpeed == EFI_USB_SPEED_HIGH) || (DeviceSpeed == EFI_USB_SPEED_SUPER)) {\r
- Interval = EpDesc->Interval;\r
- ASSERT (Interval >= 1 && Interval <= 16);\r
- //\r
- // Refer to XHCI 1.0 spec section 6.2.3.6, table 61\r
- //\r
- InputContext->EP[Dci-1].Interval = Interval - 1;\r
- InputContext->EP[Dci-1].AverageTRBLength = 0x1000;\r
- InputContext->EP[Dci-1].MaxESITPayload = 0x0002;\r
- InputContext->EP[Dci-1].MaxBurstSize = 0x0;\r
- InputContext->EP[Dci-1].CErr = 3;\r
- }\r
-\r
- if (Xhc->UsbDevContext[SlotId].EndpointTransferRing[Dci-1] == NULL) {\r
- EndpointTransferRing = AllocateZeroPool(sizeof (TRANSFER_RING));\r
- Xhc->UsbDevContext[SlotId].EndpointTransferRing[Dci-1] = (VOID *) EndpointTransferRing;\r
- CreateTransferRing(Xhc, TR_RING_TRB_NUMBER, (TRANSFER_RING *)Xhc->UsbDevContext[SlotId].EndpointTransferRing[Dci-1]);\r
- }\r
- break;\r
-\r
- case USB_ENDPOINT_CONTROL:\r
- default:\r
- ASSERT (0);\r
- break;\r
+ //\r
+ // XHCI 4.3.6 - Setting Alternate Interfaces\r
+ // 2) Free Transfer Rings of all endpoints that will be affected by the Alternate Interface setting.\r
+ //\r
+ if (Xhc->UsbDevContext[SlotId].EndpointTransferRing[Dci - 1] != NULL) {\r
+ RingSeg = ((TRANSFER_RING *)(UINTN)Xhc->UsbDevContext[SlotId].EndpointTransferRing[Dci - 1])->RingSeg0;\r
+ if (RingSeg != NULL) {\r
+ UsbHcFreeMem (Xhc->MemPool, RingSeg, sizeof (TRB_TEMPLATE) * TR_RING_TRB_NUMBER);\r
+ }\r
+ FreePool (Xhc->UsbDevContext[SlotId].EndpointTransferRing[Dci - 1]);\r
+ Xhc->UsbDevContext[SlotId].EndpointTransferRing[Dci - 1] = NULL;\r
}\r
\r
- PhyAddr = XHC_LOW_32BIT (((TRANSFER_RING *)(UINTN)Xhc->UsbDevContext[SlotId].EndpointTransferRing[Dci-1])->RingSeg0);\r
- PhyAddr &= ~(0x0F);\r
- PhyAddr |= ((TRANSFER_RING *)(UINTN)Xhc->UsbDevContext[SlotId].EndpointTransferRing[Dci-1])->RingPCS;\r
- InputContext->EP[Dci-1].PtrLo = PhyAddr;\r
- InputContext->EP[Dci-1].PtrHi = XHC_HIGH_32BIT (((TRANSFER_RING *)(UINTN)Xhc->UsbDevContext[SlotId].EndpointTransferRing[Dci-1])->RingSeg0);\r
+ //\r
+ // Set the Drop Context flag to '1'.\r
+ //\r
+ InputContext->InputControlContext.Dword1 |= (BIT0 << Dci);\r
\r
EpDesc = (USB_ENDPOINT_DESCRIPTOR *)((UINTN)EpDesc + EpDesc->Length);\r
}\r
- IfDesc = (USB_INTERFACE_DESCRIPTOR *)((UINTN)IfDesc + IfDesc->Length);\r
+\r
+ //\r
+ // XHCI 4.3.6 - Setting Alternate Interfaces\r
+ // 3) Clear all the Endpoint Context fields of each endpoint that will be disabled by the Alternate\r
+ // Interface setting, to '0'.\r
+ //\r
+ // The step 3) has been covered by the ZeroMem () to InputContext at the start of the function.\r
+ //\r
+\r
+ //\r
+ // XHCI 4.3.6 - Setting Alternate Interfaces\r
+ // 4) For each endpoint enabled by the Configure Endpoint Command:\r
+ // a. Allocate a Transfer Ring.\r
+ // b. Initialize the Transfer Ring Segment(s) by clearing all fields of all TRBs to '0'.\r
+ // c. Initialize the Endpoint Context data structure.\r
+ //\r
+ Dci = XhcInitializeEndpointContext64 (Xhc, SlotId, DeviceSpeed, InputContext, IfDescSet);\r
+ if (Dci > MaxDci) {\r
+ MaxDci = Dci;\r
+ }\r
+\r
+ InputContext->InputControlContext.Dword2 |= BIT0;\r
+ InputContext->Slot.ContextEntries = MaxDci;\r
+ //\r
+ // XHCI 4.3.6 - Setting Alternate Interfaces\r
+ // 5) Issue and successfully complete a Configure Endpoint Command.\r
+ //\r
+ ZeroMem (&CmdTrbCfgEP, sizeof (CmdTrbCfgEP));\r
+ PhyAddr = UsbHcGetPciAddrForHostAddr (Xhc->MemPool, InputContext, sizeof (INPUT_CONTEXT_64));\r
+ CmdTrbCfgEP.PtrLo = XHC_LOW_32BIT (PhyAddr);\r
+ CmdTrbCfgEP.PtrHi = XHC_HIGH_32BIT (PhyAddr);\r
+ CmdTrbCfgEP.CycleBit = 1;\r
+ CmdTrbCfgEP.Type = TRB_TYPE_CON_ENDPOINT;\r
+ CmdTrbCfgEP.SlotId = Xhc->UsbDevContext[SlotId].SlotId;\r
+ DEBUG ((EFI_D_INFO, "SetInterface64: Configure Endpoint\n"));\r
+ Status = XhcCmdTransfer (\r
+ Xhc,\r
+ (TRB_TEMPLATE *) (UINTN) &CmdTrbCfgEP,\r
+ XHC_GENERIC_TIMEOUT,\r
+ (TRB_TEMPLATE **) (UINTN) &EvtTrb\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ DEBUG ((EFI_D_ERROR, "SetInterface64: Config Endpoint Failed, Status = %r\n", Status));\r
+ } else {\r
+ //\r
+ // Update the active AlternateSetting.\r
+ //\r
+ Xhc->UsbDevContext[SlotId].ActiveAlternateSetting[(UINT8) Request->Index] = (UINT8) Request->Value;\r
+ }\r
}\r
\r
- InputContext->InputControlContext.Dword2 |= BIT0;\r
- InputContext->Slot.ContextEntries = MaxDci;\r
+ return Status;\r
+}\r
+\r
+/**\r
+ Evaluate the endpoint 0 context through XHCI's Evaluate_Context cmd.\r
+\r
+ @param Xhc The XHCI Instance.\r
+ @param SlotId The slot id to be evaluated.\r
+ @param MaxPacketSize The max packet size supported by the device control transfer.\r
+\r
+ @retval EFI_SUCCESS Successfully evaluate the device endpoint 0.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+XhcEvaluateContext (\r
+ IN USB_XHCI_INSTANCE *Xhc,\r
+ IN UINT8 SlotId,\r
+ IN UINT32 MaxPacketSize\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ CMD_TRB_EVALUATE_CONTEXT CmdTrbEvalu;\r
+ EVT_TRB_COMMAND_COMPLETION *EvtTrb;\r
+ INPUT_CONTEXT *InputContext;\r
+ EFI_PHYSICAL_ADDRESS PhyAddr;\r
+\r
+ ASSERT (Xhc->UsbDevContext[SlotId].SlotId != 0);\r
+\r
//\r
- // configure endpoint\r
+ // 4.6.7 Evaluate Context\r
//\r
- ZeroMem (&CmdTrbCfgEP, sizeof (CmdTrbCfgEP));\r
- CmdTrbCfgEP.PtrLo = XHC_LOW_32BIT (InputContext);\r
- CmdTrbCfgEP.PtrHi = XHC_HIGH_32BIT (InputContext);\r
- CmdTrbCfgEP.CycleBit = 1;\r
- CmdTrbCfgEP.Type = TRB_TYPE_CON_ENDPOINT;\r
- CmdTrbCfgEP.SlotId = Xhc->UsbDevContext[SlotId].SlotId;\r
- DEBUG ((EFI_D_INFO, "Configure Endpoint\n"));\r
+ InputContext = Xhc->UsbDevContext[SlotId].InputContext;\r
+ ZeroMem (InputContext, sizeof (INPUT_CONTEXT));\r
+\r
+ InputContext->InputControlContext.Dword2 |= BIT1;\r
+ InputContext->EP[0].MaxPacketSize = MaxPacketSize;\r
+\r
+ ZeroMem (&CmdTrbEvalu, sizeof (CmdTrbEvalu));\r
+ PhyAddr = UsbHcGetPciAddrForHostAddr (Xhc->MemPool, InputContext, sizeof (INPUT_CONTEXT));\r
+ CmdTrbEvalu.PtrLo = XHC_LOW_32BIT (PhyAddr);\r
+ CmdTrbEvalu.PtrHi = XHC_HIGH_32BIT (PhyAddr);\r
+ CmdTrbEvalu.CycleBit = 1;\r
+ CmdTrbEvalu.Type = TRB_TYPE_EVALU_CONTXT;\r
+ CmdTrbEvalu.SlotId = Xhc->UsbDevContext[SlotId].SlotId;\r
+ DEBUG ((EFI_D_INFO, "Evaluate context\n"));\r
Status = XhcCmdTransfer (\r
Xhc,\r
- (TRB_TEMPLATE *) (UINTN) &CmdTrbCfgEP,\r
+ (TRB_TEMPLATE *) (UINTN) &CmdTrbEvalu,\r
XHC_GENERIC_TIMEOUT,\r
(TRB_TEMPLATE **) (UINTN) &EvtTrb\r
);\r
- ASSERT_EFI_ERROR(Status);\r
-\r
+ if (EFI_ERROR (Status)) {\r
+ DEBUG ((EFI_D_ERROR, "XhcEvaluateContext: Evaluate Context Failed, Status = %r\n", Status));\r
+ }\r
return Status;\r
}\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
-XhcEvaluateContext (\r
+XhcEvaluateContext64 (\r
IN USB_XHCI_INSTANCE *Xhc,\r
IN UINT8 SlotId,\r
IN UINT32 MaxPacketSize\r
EFI_STATUS Status;\r
CMD_TRB_EVALUATE_CONTEXT CmdTrbEvalu;\r
EVT_TRB_COMMAND_COMPLETION *EvtTrb;\r
- INPUT_CONTEXT *InputContext;\r
+ INPUT_CONTEXT_64 *InputContext;\r
+ EFI_PHYSICAL_ADDRESS PhyAddr;\r
\r
ASSERT (Xhc->UsbDevContext[SlotId].SlotId != 0);\r
\r
// 4.6.7 Evaluate Context\r
//\r
InputContext = Xhc->UsbDevContext[SlotId].InputContext;\r
- ZeroMem (InputContext, sizeof (INPUT_CONTEXT));\r
+ ZeroMem (InputContext, sizeof (INPUT_CONTEXT_64));\r
\r
InputContext->InputControlContext.Dword2 |= BIT1;\r
InputContext->EP[0].MaxPacketSize = MaxPacketSize;\r
\r
ZeroMem (&CmdTrbEvalu, sizeof (CmdTrbEvalu));\r
- CmdTrbEvalu.PtrLo = XHC_LOW_32BIT (InputContext);\r
- CmdTrbEvalu.PtrHi = XHC_HIGH_32BIT (InputContext);\r
+ PhyAddr = UsbHcGetPciAddrForHostAddr (Xhc->MemPool, InputContext, sizeof (INPUT_CONTEXT_64));\r
+ CmdTrbEvalu.PtrLo = XHC_LOW_32BIT (PhyAddr);\r
+ CmdTrbEvalu.PtrHi = XHC_HIGH_32BIT (PhyAddr);\r
CmdTrbEvalu.CycleBit = 1;\r
CmdTrbEvalu.Type = TRB_TYPE_EVALU_CONTXT;\r
CmdTrbEvalu.SlotId = Xhc->UsbDevContext[SlotId].SlotId;\r
XHC_GENERIC_TIMEOUT,\r
(TRB_TEMPLATE **) (UINTN) &EvtTrb\r
);\r
- ASSERT (!EFI_ERROR(Status));\r
-\r
+ if (EFI_ERROR (Status)) {\r
+ DEBUG ((EFI_D_ERROR, "XhcEvaluateContext64: Evaluate Context Failed, Status = %r\n", Status));\r
+ }\r
return Status;\r
}\r
\r
+\r
/**\r
Evaluate the slot context for hub device through XHCI's Configure_Endpoint cmd.\r
\r
)\r
{\r
EFI_STATUS Status;\r
-\r
EVT_TRB_COMMAND_COMPLETION *EvtTrb;\r
INPUT_CONTEXT *InputContext;\r
DEVICE_CONTEXT *OutputContext;\r
CMD_TRB_CONFIG_ENDPOINT CmdTrbCfgEP;\r
+ EFI_PHYSICAL_ADDRESS PhyAddr;\r
\r
ASSERT (Xhc->UsbDevContext[SlotId].SlotId != 0);\r
InputContext = Xhc->UsbDevContext[SlotId].InputContext;\r
InputContext->Slot.MTT = MTT;\r
\r
ZeroMem (&CmdTrbCfgEP, sizeof (CmdTrbCfgEP));\r
- CmdTrbCfgEP.PtrLo = XHC_LOW_32BIT (InputContext);\r
- CmdTrbCfgEP.PtrHi = XHC_HIGH_32BIT (InputContext);\r
+ PhyAddr = UsbHcGetPciAddrForHostAddr (Xhc->MemPool, InputContext, sizeof (INPUT_CONTEXT));\r
+ CmdTrbCfgEP.PtrLo = XHC_LOW_32BIT (PhyAddr);\r
+ CmdTrbCfgEP.PtrHi = XHC_HIGH_32BIT (PhyAddr);\r
CmdTrbCfgEP.CycleBit = 1;\r
CmdTrbCfgEP.Type = TRB_TYPE_CON_ENDPOINT;\r
CmdTrbCfgEP.SlotId = Xhc->UsbDevContext[SlotId].SlotId;\r
XHC_GENERIC_TIMEOUT,\r
(TRB_TEMPLATE **) (UINTN) &EvtTrb\r
);\r
- ASSERT (!EFI_ERROR(Status));\r
+ if (EFI_ERROR (Status)) {\r
+ DEBUG ((EFI_D_ERROR, "XhcConfigHubContext: Config Endpoint Failed, Status = %r\n", Status));\r
+ }\r
+ return Status;\r
+}\r
+\r
+/**\r
+ Evaluate the slot context for hub device through XHCI's Configure_Endpoint cmd.\r
+\r
+ @param Xhc The XHCI Instance.\r
+ @param SlotId The slot id to be configured.\r
+ @param PortNum The total number of downstream port supported by the hub.\r
+ @param TTT The TT think time of the hub device.\r
+ @param MTT The multi-TT of the hub device.\r
+\r
+ @retval EFI_SUCCESS Successfully configure the hub device's slot context.\r
+\r
+**/\r
+EFI_STATUS\r
+XhcConfigHubContext64 (\r
+ IN USB_XHCI_INSTANCE *Xhc,\r
+ IN UINT8 SlotId,\r
+ IN UINT8 PortNum,\r
+ IN UINT8 TTT,\r
+ IN UINT8 MTT\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ EVT_TRB_COMMAND_COMPLETION *EvtTrb;\r
+ INPUT_CONTEXT_64 *InputContext;\r
+ DEVICE_CONTEXT_64 *OutputContext;\r
+ CMD_TRB_CONFIG_ENDPOINT CmdTrbCfgEP;\r
+ EFI_PHYSICAL_ADDRESS PhyAddr;\r
+\r
+ ASSERT (Xhc->UsbDevContext[SlotId].SlotId != 0);\r
+ InputContext = Xhc->UsbDevContext[SlotId].InputContext;\r
+ OutputContext = Xhc->UsbDevContext[SlotId].OutputContext;\r
+\r
+ //\r
+ // 4.6.7 Evaluate Context\r
+ //\r
+ ZeroMem (InputContext, sizeof (INPUT_CONTEXT_64));\r
+\r
+ InputContext->InputControlContext.Dword2 |= BIT0;\r
+\r
+ //\r
+ // Copy the slot context from OutputContext to Input context\r
+ //\r
+ CopyMem(&(InputContext->Slot), &(OutputContext->Slot), sizeof (SLOT_CONTEXT_64));\r
+ InputContext->Slot.Hub = 1;\r
+ InputContext->Slot.PortNum = PortNum;\r
+ InputContext->Slot.TTT = TTT;\r
+ InputContext->Slot.MTT = MTT;\r
\r
+ ZeroMem (&CmdTrbCfgEP, sizeof (CmdTrbCfgEP));\r
+ PhyAddr = UsbHcGetPciAddrForHostAddr (Xhc->MemPool, InputContext, sizeof (INPUT_CONTEXT_64));\r
+ CmdTrbCfgEP.PtrLo = XHC_LOW_32BIT (PhyAddr);\r
+ CmdTrbCfgEP.PtrHi = XHC_HIGH_32BIT (PhyAddr);\r
+ CmdTrbCfgEP.CycleBit = 1;\r
+ CmdTrbCfgEP.Type = TRB_TYPE_CON_ENDPOINT;\r
+ CmdTrbCfgEP.SlotId = Xhc->UsbDevContext[SlotId].SlotId;\r
+ DEBUG ((EFI_D_INFO, "Configure Hub Slot Context\n"));\r
+ Status = XhcCmdTransfer (\r
+ Xhc,\r
+ (TRB_TEMPLATE *) (UINTN) &CmdTrbCfgEP,\r
+ XHC_GENERIC_TIMEOUT,\r
+ (TRB_TEMPLATE **) (UINTN) &EvtTrb\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ DEBUG ((EFI_D_ERROR, "XhcConfigHubContext64: Config Endpoint Failed, Status = %r\n", Status));\r
+ }\r
return Status;\r
}\r
\r
+\r
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