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MdeModulePkg/XhciPei: Support IoMmu. 

Update XHCI driver to consume IOMMU_PPI to allocate DMA buffer.

If no IOMMU_PPI exists, this driver still calls PEI service
to allocate DMA buffer, with assumption that DRAM==DMA.

This is a compatible change.

Cc: Star Zeng <star.zeng@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Jiewen Yao <jiewen.yao@intel.com>
Reviewed-by: Star Zeng <star.zeng@intel.com>
This commit is contained in:
Jiewen Yao 2017-09-07 16:06:27 +08:00
parent 8a4ed1188b
commit b575ca32c8
8 changed files with 492 additions and 34 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

249
MdeModulePkg/Bus/Pci/XhciPei/DmaMem.c Normal file
View File

@ -0,0 +1,249 @@
/** @file
The DMA memory help function.
Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions
of the BSD License which accompanies this distribution. The
full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#include "XhcPeim.h"
EDKII_IOMMU_PPI *mIoMmu;
/**
Provides the controller-specific addresses required to access system memory from a
DMA bus master.
@param Operation Indicates if the bus master is going to read or write to system memory.
@param HostAddress The system memory address to map to the PCI controller.
@param NumberOfBytes On input the number of bytes to map. On output the number of bytes
that were mapped.
@param DeviceAddress The resulting map address for the bus master PCI controller to use to
access the hosts HostAddress.
@param Mapping A resulting value to pass to Unmap().
@retval EFI_SUCCESS The range was mapped for the returned NumberOfBytes.
@retval EFI_UNSUPPORTED The HostAddress cannot be mapped as a common buffer.
@retval EFI_INVALID_PARAMETER One or more parameters are invalid.
@retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.
@retval EFI_DEVICE_ERROR The system hardware could not map the requested address.
**/
EFI_STATUS
IoMmuMap (
IN EDKII_IOMMU_OPERATION Operation,
IN VOID *HostAddress,
IN OUT UINTN *NumberOfBytes,
OUT EFI_PHYSICAL_ADDRESS *DeviceAddress,
OUT VOID **Mapping
)
{
EFI_STATUS Status;
UINT64 Attribute;
if (mIoMmu != NULL) {
Status = mIoMmu->Map (
mIoMmu,
Operation,
HostAddress,
NumberOfBytes,
DeviceAddress,
Mapping
);
if (EFI_ERROR (Status)) {
return EFI_OUT_OF_RESOURCES;
}
switch (Operation) {
case EdkiiIoMmuOperationBusMasterRead:
case EdkiiIoMmuOperationBusMasterRead64:
Attribute = EDKII_IOMMU_ACCESS_READ;
break;
case EdkiiIoMmuOperationBusMasterWrite:
case EdkiiIoMmuOperationBusMasterWrite64:
Attribute = EDKII_IOMMU_ACCESS_WRITE;
break;
case EdkiiIoMmuOperationBusMasterCommonBuffer:
case EdkiiIoMmuOperationBusMasterCommonBuffer64:
Attribute = EDKII_IOMMU_ACCESS_READ | EDKII_IOMMU_ACCESS_WRITE;
break;
default:
ASSERT(FALSE);
return EFI_INVALID_PARAMETER;
}
Status = mIoMmu->SetAttribute (
mIoMmu,
*Mapping,
Attribute
);
if (EFI_ERROR (Status)) {
return Status;
}
} else {
*DeviceAddress = (EFI_PHYSICAL_ADDRESS)(UINTN)HostAddress;
*Mapping = NULL;
Status = EFI_SUCCESS;
}
return Status;
}
/**
Completes the Map() operation and releases any corresponding resources.
@param Mapping The mapping value returned from Map().
@retval EFI_SUCCESS The range was unmapped.
@retval EFI_INVALID_PARAMETER Mapping is not a value that was returned by Map().
@retval EFI_DEVICE_ERROR The data was not committed to the target system memory.
**/
EFI_STATUS
IoMmuUnmap (
IN VOID *Mapping
)
{
EFI_STATUS Status;
if (mIoMmu != NULL) {
Status = mIoMmu->SetAttribute (mIoMmu, Mapping, 0);
Status = mIoMmu->Unmap (mIoMmu, Mapping);
} else {
Status = EFI_SUCCESS;
}
return Status;
}
/**
Allocates pages that are suitable for an OperationBusMasterCommonBuffer or
OperationBusMasterCommonBuffer64 mapping.
@param Pages The number of pages to allocate.
@param HostAddress A pointer to store the base system memory address of the
allocated range.
@param DeviceAddress The resulting map address for the bus master PCI controller to use to
access the hosts HostAddress.
@param Mapping A resulting value to pass to Unmap().
@retval EFI_SUCCESS The requested memory pages were allocated.
@retval EFI_UNSUPPORTED Attributes is unsupported. The only legal attribute bits are
MEMORY_WRITE_COMBINE and MEMORY_CACHED.
@retval EFI_INVALID_PARAMETER One or more parameters are invalid.
@retval EFI_OUT_OF_RESOURCES The memory pages could not be allocated.
**/
EFI_STATUS
IoMmuAllocateBuffer (
IN UINTN Pages,
OUT VOID **HostAddress,
OUT EFI_PHYSICAL_ADDRESS *DeviceAddress,
OUT VOID **Mapping
)
{
EFI_STATUS Status;
UINTN NumberOfBytes;
EFI_PHYSICAL_ADDRESS HostPhyAddress;
*HostAddress = NULL;
*DeviceAddress = 0;
if (mIoMmu != NULL) {
Status = mIoMmu->AllocateBuffer (
mIoMmu,
EfiBootServicesData,
Pages,
HostAddress,
0
);
if (EFI_ERROR (Status)) {
return EFI_OUT_OF_RESOURCES;
}
NumberOfBytes = EFI_PAGES_TO_SIZE(Pages);
Status = mIoMmu->Map (
mIoMmu,
EdkiiIoMmuOperationBusMasterCommonBuffer,
*HostAddress,
&NumberOfBytes,
DeviceAddress,
Mapping
);
if (EFI_ERROR (Status)) {
return EFI_OUT_OF_RESOURCES;
}
Status = mIoMmu->SetAttribute (
mIoMmu,
*Mapping,
EDKII_IOMMU_ACCESS_READ | EDKII_IOMMU_ACCESS_WRITE
);
if (EFI_ERROR (Status)) {
return Status;
}
} else {
Status = PeiServicesAllocatePages (
EfiBootServicesData,
Pages,
&HostPhyAddress
);
if (EFI_ERROR (Status)) {
return EFI_OUT_OF_RESOURCES;
}
*HostAddress = (VOID *)(UINTN)HostPhyAddress;
*DeviceAddress = HostPhyAddress;
*Mapping = NULL;
}
return Status;
}
/**
Frees memory that was allocated with AllocateBuffer().
@param Pages The number of pages to free.
@param HostAddress The base system memory address of the allocated range.
@param Mapping The mapping value returned from Map().
@retval EFI_SUCCESS The requested memory pages were freed.
@retval EFI_INVALID_PARAMETER The memory range specified by HostAddress and Pages
was not allocated with AllocateBuffer().
**/
EFI_STATUS
IoMmuFreeBuffer (
IN UINTN Pages,
IN VOID *HostAddress,
IN VOID *Mapping
)
{
EFI_STATUS Status;
if (mIoMmu != NULL) {
Status = mIoMmu->SetAttribute (mIoMmu, Mapping, 0);
Status = mIoMmu->Unmap (mIoMmu, Mapping);
Status = mIoMmu->FreeBuffer (mIoMmu, Pages, HostAddress);
} else {
Status = EFI_SUCCESS;
}
return Status;
}
/**
Initialize IOMMU.
**/
VOID
IoMmuInit (
VOID
)
{
PeiServicesLocatePpi (
&gEdkiiIoMmuPpiGuid,
0,
NULL,
(VOID **)&mIoMmu
);
}

55
MdeModulePkg/Bus/Pci/XhciPei/UsbHcMem.c
View File

@ -31,6 +31,9 @@ UsbHcAllocMemBlock (
)
{
USBHC_MEM_BLOCK *Block;
VOID *BufHost;
VOID *Mapping;
EFI_PHYSICAL_ADDRESS MappedAddr;
EFI_STATUS Status;
UINTN PageNumber;
EFI_PHYSICAL_ADDRESS TempPtr;
@ -71,18 +74,20 @@ UsbHcAllocMemBlock (
Block->Bits = (UINT8 *) (UINTN) TempPtr;
Status = PeiServicesAllocatePages (
EfiBootServicesData,
Status = IoMmuAllocateBuffer (
Pages,
&TempPtr
&BufHost,
&MappedAddr,
&Mapping
);
if (EFI_ERROR (Status)) {
return NULL;
}
ZeroMem ((VOID *) (UINTN) TempPtr, EFI_PAGES_TO_SIZE (Pages));
ZeroMem ((VOID *) (UINTN) BufHost, EFI_PAGES_TO_SIZE (Pages));
Block->BufHost = (UINT8 *) (UINTN) TempPtr;;
Block->Buf = (UINT8 *) (UINTN) TempPtr;
Block->BufHost = (UINT8 *) (UINTN) BufHost;
Block->Buf = (UINT8 *) (UINTN) MappedAddr;
Block->Mapping = Mapping;
Block->Next = NULL;
return Block;
@ -102,6 +107,9 @@ UsbHcFreeMemBlock (
)
{
ASSERT ((Pool != NULL) && (Block != NULL));
IoMmuFreeBuffer (EFI_SIZE_TO_PAGES (Block->BufLen), Block->BufHost, Block->Mapping);
//
// No free memory in PEI.
//
@ -567,6 +575,7 @@ UsbHcFreeMem (
@param HostAddress The system memory address to map to the PCI controller.
@param DeviceAddress The resulting map address for the bus master PCI controller to
use to access the hosts HostAddress.
@param Mapping A resulting value to pass to Unmap().
@retval EFI_SUCCESS Success to allocate aligned pages.
@retval EFI_INVALID_PARAMETER Pages or Alignment is not valid.
@ -578,13 +587,16 @@ UsbHcAllocateAlignedPages (
IN UINTN Pages,
IN UINTN Alignment,
OUT VOID **HostAddress,
OUT EFI_PHYSICAL_ADDRESS *DeviceAddress
OUT EFI_PHYSICAL_ADDRESS *DeviceAddress,
OUT VOID **Mapping
)
{
EFI_STATUS Status;
EFI_PHYSICAL_ADDRESS Memory;
VOID *Memory;
UINTN AlignedMemory;
UINTN AlignmentMask;
EFI_PHYSICAL_ADDRESS DeviceMemory;
UINTN AlignedDeviceMemory;
UINTN RealPages;
//
@ -611,32 +623,36 @@ UsbHcAllocateAlignedPages (
//
ASSERT (RealPages > Pages);
Status = PeiServicesAllocatePages (
EfiBootServicesData,
Status = IoMmuAllocateBuffer (
Pages,
&Memory
&Memory,
&DeviceMemory,
Mapping
);
if (EFI_ERROR (Status)) {
return EFI_OUT_OF_RESOURCES;
}
AlignedMemory = ((UINTN) Memory + AlignmentMask) & ~AlignmentMask;
AlignedDeviceMemory = ((UINTN) DeviceMemory + AlignmentMask) & ~AlignmentMask;
} else {
//
// Do not over-allocate pages in this case.
//
Status = PeiServicesAllocatePages (
EfiBootServicesData,
Status = IoMmuAllocateBuffer (
Pages,
&Memory
&Memory,
&DeviceMemory,
Mapping
);
if (EFI_ERROR (Status)) {
return EFI_OUT_OF_RESOURCES;
}
AlignedMemory = (UINTN) Memory;
AlignedDeviceMemory = (UINTN) DeviceMemory;
}
*HostAddress = (VOID *) AlignedMemory;
*DeviceAddress = (EFI_PHYSICAL_ADDRESS) AlignedMemory;
*DeviceAddress = (EFI_PHYSICAL_ADDRESS) AlignedDeviceMemory;
return EFI_SUCCESS;
}
@ -646,17 +662,18 @@ UsbHcAllocateAlignedPages (
@param HostAddress The system memory address to map to the PCI controller.
@param Pages The number of pages to free.
@param Mapping The mapping value returned from Map().
**/
VOID
UsbHcFreeAlignedPages (
IN VOID *HostAddress,
IN UINTN Pages
IN UINTN Pages,
IN VOID *Mapping
)
{
ASSERT (Pages != 0);
//
// No free memory in PEI.
//
IoMmuFreeBuffer (Pages, HostAddress, Mapping);
}

9
MdeModulePkg/Bus/Pci/XhciPei/UsbHcMem.h
View File

@ -29,6 +29,7 @@ struct _USBHC_MEM_BLOCK {
UINT8 *Buf;
UINT8 *BufHost;
UINTN BufLen; // Memory size in bytes
VOID *Mapping;
USBHC_MEM_BLOCK *Next;
};
@ -112,6 +113,7 @@ UsbHcGetHostAddrForPciAddr (
@param HostAddress The system memory address to map to the PCI controller.
@param DeviceAddress The resulting map address for the bus master PCI controller to
use to access the hosts HostAddress.
@param Mapping A resulting value to pass to Unmap().
@retval EFI_SUCCESS Success to allocate aligned pages.
@retval EFI_INVALID_PARAMETER Pages or Alignment is not valid.
@ -123,7 +125,8 @@ UsbHcAllocateAlignedPages (
IN UINTN Pages,
IN UINTN Alignment,
OUT VOID **HostAddress,
OUT EFI_PHYSICAL_ADDRESS *DeviceAddress
OUT EFI_PHYSICAL_ADDRESS *DeviceAddress,
OUT VOID **Mapping
);
/**
@ -131,12 +134,14 @@ UsbHcAllocateAlignedPages (
@param HostAddress The system memory address to map to the PCI controller.
@param Pages The number of pages to free.
@param Mapping The mapping value returned from Map().
**/
VOID
UsbHcFreeAlignedPages (
IN VOID *HostAddress,
IN UINTN Pages
IN UINTN Pages,
IN VOID *Mapping
);
#endif

55
MdeModulePkg/Bus/Pci/XhciPei/XhcPeim.c
View File

@ -662,7 +662,8 @@ XhcPeiControlTransfer (
if (EFI_ERROR(RecoveryStatus)) {
DEBUG((EFI_D_ERROR, "XhcPeiControlTransfer: XhcPeiDequeueTrbFromEndpoint failed\n"));
}
goto FREE_URB;
XhcPeiFreeUrb (Xhc, Urb);
goto ON_EXIT;
} else {
if (*TransferResult == EFI_USB_NOERROR) {
Status = EFI_SUCCESS;
@ -672,11 +673,17 @@ XhcPeiControlTransfer (
DEBUG ((EFI_D_ERROR, "XhcPeiControlTransfer: XhcPeiRecoverHaltedEndpoint failed\n"));
}
Status = EFI_DEVICE_ERROR;
goto FREE_URB;
XhcPeiFreeUrb (Xhc, Urb);
goto ON_EXIT;
} else {
goto FREE_URB;
XhcPeiFreeUrb (Xhc, Urb);
goto ON_EXIT;
}
}
//
// Unmap data before consume.
//
XhcPeiFreeUrb (Xhc, Urb);
//
// Hook Get_Descriptor request from UsbBus as we need evaluate context and configure endpoint.
@ -704,7 +711,7 @@ XhcPeiControlTransfer (
Xhc->UsbDevContext[SlotId].ConfDesc = AllocateZeroPool (Xhc->UsbDevContext[SlotId].DevDesc.NumConfigurations * sizeof (EFI_USB_CONFIG_DESCRIPTOR *));
if (Xhc->UsbDevContext[SlotId].ConfDesc == NULL) {
Status = EFI_OUT_OF_RESOURCES;
goto FREE_URB;
goto ON_EXIT;
}
if (Xhc->HcCParams.Data.Csz == 0) {
Status = XhcPeiEvaluateContext (Xhc, SlotId, MaxPacket0);
@ -722,7 +729,7 @@ XhcPeiControlTransfer (
Xhc->UsbDevContext[SlotId].ConfDesc[Index] = AllocateZeroPool (*DataLength);
if (Xhc->UsbDevContext[SlotId].ConfDesc[Index] == NULL) {
Status = EFI_OUT_OF_RESOURCES;
goto FREE_URB;
goto ON_EXIT;
}
CopyMem (Xhc->UsbDevContext[SlotId].ConfDesc[Index], Data, *DataLength);
}
@ -844,9 +851,6 @@ XhcPeiControlTransfer (
*(UINT32 *) Data = *(UINT32 *) &PortStatus;
}
FREE_URB:
XhcPeiFreeUrb (Xhc, Urb);
ON_EXIT:
if (EFI_ERROR (Status)) {
@ -1398,6 +1402,34 @@ XhcPeiGetRootHubPortStatus (
return EFI_SUCCESS;
}
/**
One notified function to stop the Host Controller at the end of PEI
@param[in] PeiServices Pointer to PEI Services Table.
@param[in] NotifyDescriptor Pointer to the descriptor for the Notification event that
caused this function to execute.
@param[in] Ppi Pointer to the PPI data associated with this function.
@retval EFI_SUCCESS The function completes successfully
@retval others
**/
EFI_STATUS
EFIAPI
XhcEndOfPei (
IN EFI_PEI_SERVICES **PeiServices,
IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyDescriptor,
IN VOID *Ppi
)
{
PEI_XHC_DEV *Xhc;
Xhc = PEI_RECOVERY_USB_XHC_DEV_FROM_THIS_NOTIFY(NotifyDescriptor);
XhcPeiHaltHC (Xhc, XHC_GENERIC_TIMEOUT);
return EFI_SUCCESS;
}
/**
@param FileHandle Handle of the file being invoked.
@param PeiServices Describes the list of possible PEI Services.
@ -1429,6 +1461,8 @@ XhcPeimEntry (
return EFI_SUCCESS;
}
IoMmuInit ();
Status = PeiServicesLocatePpi (
&gPeiUsbControllerPpiGuid,
0,
@ -1530,7 +1564,12 @@ XhcPeimEntry (
XhcDev->PpiDescriptor.Guid = &gPeiUsb2HostControllerPpiGuid;
XhcDev->PpiDescriptor.Ppi = &XhcDev->Usb2HostControllerPpi;
XhcDev->EndOfPeiNotifyList.Flags = (EFI_PEI_PPI_DESCRIPTOR_NOTIFY_CALLBACK | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST);
XhcDev->EndOfPeiNotifyList.Guid = &gEfiEndOfPeiSignalPpiGuid;
XhcDev->EndOfPeiNotifyList.Notify = XhcEndOfPei;
PeiServicesInstallPpi (&XhcDev->PpiDescriptor);
PeiServicesNotifyPpi (&XhcDev->EndOfPeiNotifyList);
Index++;
}

107
MdeModulePkg/Bus/Pci/XhciPei/XhcPeim.h
View File

@ -21,6 +21,8 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#include <Ppi/UsbController.h>
#include <Ppi/Usb2HostController.h>
#include <Ppi/IoMmu.h>
#include <Ppi/EndOfPeiPhase.h>
#include <Library/DebugLib.h>
#include <Library/PeimEntryPoint.h>
@ -152,6 +154,12 @@ struct _PEI_XHC_DEV {
UINT32 UsbHostControllerBaseAddress;
USBHC_MEM_POOL *MemPool;
//
// EndOfPei callback is used to stop the XHC DMA operation
// after exit PEI phase.
//
EFI_PEI_NOTIFY_DESCRIPTOR EndOfPeiNotifyList;
//
// XHCI configuration data
//
@ -164,7 +172,9 @@ struct _PEI_XHC_DEV {
UINT32 PageSize;
UINT32 MaxScratchpadBufs;
UINT64 *ScratchBuf;
VOID *ScratchMap;
UINT64 *ScratchEntry;
UINTN *ScratchEntryMap;
UINT64 *DCBAA;
UINT32 MaxSlotsEn;
//
@ -184,6 +194,7 @@ struct _PEI_XHC_DEV {
};
#define PEI_RECOVERY_USB_XHC_DEV_FROM_THIS(a) CR (a, PEI_XHC_DEV, Usb2HostControllerPpi, USB_XHC_DEV_SIGNATURE)
#define PEI_RECOVERY_USB_XHC_DEV_FROM_THIS_NOTIFY(a) CR (a, PEI_XHC_DEV, EndOfPeiNotifyList, USB_XHC_DEV_SIGNATURE)
/**
Initialize the memory management pool for the host controller.
@ -242,4 +253,100 @@ UsbHcFreeMem (
)
;
/**
Initialize IOMMU.
**/
VOID
IoMmuInit (
VOID
);
/**
Provides the controller-specific addresses required to access system memory from a
DMA bus master.
@param Operation Indicates if the bus master is going to read or write to system memory.
@param HostAddress The system memory address to map to the PCI controller.
@param NumberOfBytes On input the number of bytes to map. On output the number of bytes
that were mapped.
@param DeviceAddress The resulting map address for the bus master PCI controller to use to
access the hosts HostAddress.
@param Mapping A resulting value to pass to Unmap().
@retval EFI_SUCCESS The range was mapped for the returned NumberOfBytes.
@retval EFI_UNSUPPORTED The HostAddress cannot be mapped as a common buffer.
@retval EFI_INVALID_PARAMETER One or more parameters are invalid.
@retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.
@retval EFI_DEVICE_ERROR The system hardware could not map the requested address.
**/
EFI_STATUS
IoMmuMap (
IN EDKII_IOMMU_OPERATION Operation,
IN VOID *HostAddress,
IN OUT UINTN *NumberOfBytes,
OUT EFI_PHYSICAL_ADDRESS *DeviceAddress,
OUT VOID **Mapping
);
/**
Completes the Map() operation and releases any corresponding resources.
@param Mapping The mapping value returned from Map().
@retval EFI_SUCCESS The range was unmapped.
@retval EFI_INVALID_PARAMETER Mapping is not a value that was returned by Map().
@retval EFI_DEVICE_ERROR The data was not committed to the target system memory.
**/
EFI_STATUS
IoMmuUnmap (
IN VOID *Mapping
);
/**
Allocates pages that are suitable for an OperationBusMasterCommonBuffer or
OperationBusMasterCommonBuffer64 mapping.
@param Pages The number of pages to allocate.
@param HostAddress A pointer to store the base system memory address of the
allocated range.
@param DeviceAddress The resulting map address for the bus master PCI controller to use to
access the hosts HostAddress.
@param Mapping A resulting value to pass to Unmap().
@retval EFI_SUCCESS The requested memory pages were allocated.
@retval EFI_UNSUPPORTED Attributes is unsupported. The only legal attribute bits are
MEMORY_WRITE_COMBINE and MEMORY_CACHED.
@retval EFI_INVALID_PARAMETER One or more parameters are invalid.
@retval EFI_OUT_OF_RESOURCES The memory pages could not be allocated.
**/
EFI_STATUS
IoMmuAllocateBuffer (
IN UINTN Pages,
OUT VOID **HostAddress,
OUT EFI_PHYSICAL_ADDRESS *DeviceAddress,
OUT VOID **Mapping
);
/**
Frees memory that was allocated with AllocateBuffer().
@param Pages The number of pages to free.
@param HostAddress The base system memory address of the allocated range.
@param Mapping The mapping value returned from Map().
@retval EFI_SUCCESS The requested memory pages were freed.
@retval EFI_INVALID_PARAMETER The memory range specified by HostAddress and Pages
was not allocated with AllocateBuffer().
**/
EFI_STATUS
IoMmuFreeBuffer (
IN UINTN Pages,
IN VOID *HostAddress,
IN VOID *Mapping
);
#endif

3
MdeModulePkg/Bus/Pci/XhciPei/XhciPei.inf
View File

@ -37,6 +37,7 @@
XhcPeim.h
XhciSched.c
UsbHcMem.c
DmaMem.c
XhciReg.h
XhciSched.h
UsbHcMem.h
@ -56,6 +57,8 @@
[Ppis]
gPeiUsb2HostControllerPpiGuid ## PRODUCES
gPeiUsbControllerPpiGuid ## CONSUMES
gEdkiiIoMmuPpiGuid ## CONSUMES
gEfiEndOfPeiSignalPpiGuid ## CONSUMES
[Depex]
gEfiPeiMemoryDiscoveredPpiGuid AND gPeiUsbControllerPpiGuid AND gEfiPeiBootInRecoveryModePpiGuid

47
MdeModulePkg/Bus/Pci/XhciPei/XhciSched.c
View File

@ -200,6 +200,8 @@ XhcPeiFreeUrb (
return;
}
IoMmuUnmap (Urb->DataMap);
FreePool (Urb);
}
@ -227,6 +229,10 @@ XhcPeiCreateTransferTrb (
UINTN TotalLen;
UINTN Len;
UINTN TrbNum;
EDKII_IOMMU_OPERATION MapOp;
EFI_PHYSICAL_ADDRESS PhyAddr;
VOID *Map;
EFI_STATUS Status;
SlotId = XhcPeiBusDevAddrToSlotId (Xhc, Urb->Ep.BusAddr);
if (SlotId == 0) {
@ -249,7 +255,27 @@ XhcPeiCreateTransferTrb (
EPType = (UINT8) ((DEVICE_CONTEXT_64 *)OutputContext)->EP[Dci-1].EPType;
}
Urb->DataPhy = Urb->Data;
//
// No need to remap.
//
if ((Urb->Data != NULL) && (Urb->DataMap == NULL)) {
if (((UINT8) (Urb->Ep.Direction)) == EfiUsbDataIn) {
MapOp = EdkiiIoMmuOperationBusMasterWrite;
} else {
MapOp = EdkiiIoMmuOperationBusMasterRead;
}
Len = Urb->DataLen;
Status = IoMmuMap (MapOp, Urb->Data, &Len, &PhyAddr, &Map);
if (EFI_ERROR (Status) || (Len != Urb->DataLen)) {
DEBUG ((DEBUG_ERROR, "XhcCreateTransferTrb: Fail to map Urb->Data.\n"));
return EFI_OUT_OF_RESOURCES;
}
Urb->DataPhy = (VOID *) ((UINTN) PhyAddr);
Urb->DataMap = Map;
}
//
// Construct the TRB
@ -2812,6 +2838,7 @@ XhcPeiInitSched (
UINT64 *ScratchEntry;
EFI_PHYSICAL_ADDRESS ScratchEntryPhy;
UINT32 Index;
UINTN *ScratchEntryMap;
EFI_STATUS Status;
//
@ -2847,6 +2874,13 @@ XhcPeiInitSched (
Xhc->MaxScratchpadBufs = MaxScratchpadBufs;
ASSERT (MaxScratchpadBufs <= 1023);
if (MaxScratchpadBufs != 0) {
//
// Allocate the buffer to record the Mapping for each scratch buffer in order to Unmap them
//
ScratchEntryMap = AllocateZeroPool (sizeof (UINTN) * MaxScratchpadBufs);
ASSERT (ScratchEntryMap != NULL);
Xhc->ScratchEntryMap = ScratchEntryMap;
//
// Allocate the buffer to record the host address for each entry
//
@ -2859,7 +2893,8 @@ XhcPeiInitSched (
EFI_SIZE_TO_PAGES (MaxScratchpadBufs * sizeof (UINT64)),
Xhc->PageSize,
(VOID **) &ScratchBuf,
&ScratchPhy
&ScratchPhy,
&Xhc->ScratchMap
);
ASSERT_EFI_ERROR (Status);
@ -2875,7 +2910,8 @@ XhcPeiInitSched (
EFI_SIZE_TO_PAGES (Xhc->PageSize),
Xhc->PageSize,
(VOID **) &ScratchEntry[Index],
&ScratchEntryPhy
&ScratchEntryPhy,
(VOID **) &ScratchEntryMap[Index]
);
ASSERT_EFI_ERROR (Status);
ZeroMem ((VOID *) (UINTN) ScratchEntry[Index], Xhc->PageSize);
@ -2967,12 +3003,13 @@ XhcPeiFreeSched (
//
// Free Scratchpad Buffers
//
UsbHcFreeAlignedPages ((VOID*) (UINTN) ScratchEntry[Index], EFI_SIZE_TO_PAGES (Xhc->PageSize));
UsbHcFreeAlignedPages ((VOID*) (UINTN) ScratchEntry[Index], EFI_SIZE_TO_PAGES (Xhc->PageSize), (VOID *) Xhc->ScratchEntryMap[Index]);
}
//
// Free Scratchpad Buffer Array
//
UsbHcFreeAlignedPages (Xhc->ScratchBuf, EFI_SIZE_TO_PAGES (Xhc->MaxScratchpadBufs * sizeof (UINT64)));
UsbHcFreeAlignedPages (Xhc->ScratchBuf, EFI_SIZE_TO_PAGES (Xhc->MaxScratchpadBufs * sizeof (UINT64)), Xhc->ScratchMap);
FreePool (Xhc->ScratchEntryMap);
FreePool (Xhc->ScratchEntry);
}

1
MdeModulePkg/Bus/Pci/XhciPei/XhciSched.h
View File

@ -170,6 +170,7 @@ typedef struct _URB {
VOID *Data;
UINTN DataLen;
VOID *DataPhy;
VOID *DataMap;
EFI_ASYNC_USB_TRANSFER_CALLBACK Callback;
VOID *Context;
//