mirror of
https://github.com/reactos/reactos.git
synced 2025-07-24 10:03:51 +00:00
[USBEHCI_NEW]
- Null terminate buffer from IOCTL_USB_GET_ROOT_HUB_NAME, fixes usbview problems - Implement URB_FUNCTION_BULK_OR_INTERRUPT_TRANSFER, IUSBHardware needs more work - Silence debug traces - Start implementing IUSBRequest interfaces - Complete unhandled major irp with status success svn path=/branches/usb-bringup/; revision=51396
This commit is contained in:
Johannes Anderwald
parent
d3e13a4ada
commit
3ac2c07f55
7 changed files with 1083 additions and 55 deletions
801
drivers/usb/usbehci_new/usb_request.cpp
Normal file
801
drivers/usb/usbehci_new/usb_request.cpp
Normal file
|
|
@ -0,0 +1,801 @@
|
|||
/*
|
||||
* PROJECT: ReactOS Universal Serial Bus Bulk Enhanced Host Controller Interface
|
||||
* LICENSE: GPL - See COPYING in the top level directory
|
||||
* FILE: drivers/usb/usbehci/usb_request.cpp
|
||||
* PURPOSE: USB EHCI device driver.
|
||||
* PROGRAMMERS:
|
||||
* Michael Martin (michael.martin@reactos.org)
|
||||
* Johannes Anderwald (johannes.anderwald@reactos.org)
|
||||
*/
|
||||
|
||||
#define INITGUID
|
||||
|
||||
#include "usbehci.h"
|
||||
#include "hardware.h"
|
||||
|
||||
class CUSBRequest : public IUSBRequest
|
||||
{
|
||||
public:
|
||||
STDMETHODIMP QueryInterface( REFIID InterfaceId, PVOID* Interface);
|
||||
|
||||
STDMETHODIMP_(ULONG) AddRef()
|
||||
{
|
||||
InterlockedIncrement(&m_Ref);
|
||||
return m_Ref;
|
||||
}
|
||||
STDMETHODIMP_(ULONG) Release()
|
||||
{
|
||||
InterlockedDecrement(&m_Ref);
|
||||
|
||||
if (!m_Ref)
|
||||
{
|
||||
delete this;
|
||||
return 0;
|
||||
}
|
||||
return m_Ref;
|
||||
}
|
||||
|
||||
// IUSBRequest interface functions
|
||||
virtual NTSTATUS InitializeWithSetupPacket(IN PDMAMEMORYMANAGER DmaManager, IN PUSB_DEFAULT_PIPE_SETUP_PACKET SetupPacket, IN OUT ULONG TransferBufferLength, IN OUT PMDL TransferBuffer);
|
||||
virtual NTSTATUS InitializeWithIrp(IN PDMAMEMORYMANAGER DmaManager, IN OUT PIRP Irp);
|
||||
virtual NTSTATUS SetCompletionEvent(IN PKEVENT Event);
|
||||
virtual VOID CompletionCallback(IN NTSTATUS NtStatusCode, IN ULONG UrbStatusCode);
|
||||
virtual VOID CancelCallback(IN NTSTATUS NtStatusCode);
|
||||
virtual NTSTATUS GetQueueHead(struct _QUEUE_HEAD ** OutHead);
|
||||
virtual BOOLEAN IsRequestComplete();
|
||||
virtual ULONG GetTransferType();
|
||||
|
||||
// local functions
|
||||
ULONG InternalGetTransferType();
|
||||
NTSTATUS BuildControlTransferQueueHead(PQUEUE_HEAD * OutHead);
|
||||
NTSTATUS BuildBulkTransferQueueHead(PQUEUE_HEAD * OutHead);
|
||||
NTSTATUS CreateDescriptor(PQUEUE_TRANSFER_DESCRIPTOR *OutDescriptor);
|
||||
NTSTATUS CreateQueueHead(PQUEUE_HEAD *OutQueueHead);
|
||||
ULONG GetDeviceAddress();
|
||||
NTSTATUS BuildSetupPacket();
|
||||
|
||||
// constructor / destructor
|
||||
CUSBRequest(IUnknown *OuterUnknown){}
|
||||
virtual ~CUSBRequest(){}
|
||||
|
||||
protected:
|
||||
LONG m_Ref;
|
||||
PDMAMEMORYMANAGER m_DmaManager;
|
||||
PUSB_DEFAULT_PIPE_SETUP_PACKET m_SetupPacket;
|
||||
ULONG m_TransferBufferLength;
|
||||
PMDL m_TransferBufferMDL;
|
||||
PIRP m_Irp;
|
||||
PKEVENT m_CompletionEvent;
|
||||
|
||||
PQUEUE_HEAD m_QueueHead;
|
||||
PQUEUE_TRANSFER_DESCRIPTOR m_TransferDescriptors[3];
|
||||
PUSB_DEFAULT_PIPE_SETUP_PACKET m_DescriptorPacket;
|
||||
};
|
||||
|
||||
//----------------------------------------------------------------------------------------
|
||||
NTSTATUS
|
||||
STDMETHODCALLTYPE
|
||||
CUSBRequest::QueryInterface(
|
||||
IN REFIID refiid,
|
||||
OUT PVOID* Output)
|
||||
{
|
||||
return STATUS_UNSUCCESSFUL;
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------------------------------
|
||||
NTSTATUS
|
||||
CUSBRequest::InitializeWithSetupPacket(
|
||||
IN PDMAMEMORYMANAGER DmaManager,
|
||||
IN PUSB_DEFAULT_PIPE_SETUP_PACKET SetupPacket,
|
||||
IN OUT ULONG TransferBufferLength,
|
||||
IN OUT PMDL TransferBuffer)
|
||||
{
|
||||
//
|
||||
// sanity checks
|
||||
//
|
||||
PC_ASSERT(DmaManager);
|
||||
PC_ASSERT(SetupPacket);
|
||||
|
||||
//
|
||||
// initialize packet
|
||||
//
|
||||
m_DmaManager = DmaManager;
|
||||
m_SetupPacket = SetupPacket;
|
||||
m_TransferBufferLength = TransferBufferLength;
|
||||
m_TransferBufferMDL = TransferBuffer;
|
||||
|
||||
//
|
||||
// done
|
||||
//
|
||||
return STATUS_SUCCESS;
|
||||
}
|
||||
//----------------------------------------------------------------------------------------
|
||||
NTSTATUS
|
||||
CUSBRequest::InitializeWithIrp(
|
||||
IN PDMAMEMORYMANAGER DmaManager,
|
||||
IN OUT PIRP Irp)
|
||||
{
|
||||
PIO_STACK_LOCATION IoStack;
|
||||
PURB Urb;
|
||||
NTSTATUS Status;
|
||||
|
||||
//
|
||||
// sanity checks
|
||||
//
|
||||
PC_ASSERT(DmaManager);
|
||||
PC_ASSERT(Irp);
|
||||
|
||||
//
|
||||
// get current irp stack location
|
||||
//
|
||||
IoStack = IoGetCurrentIrpStackLocation(Irp);
|
||||
|
||||
//
|
||||
// sanity check
|
||||
//
|
||||
PC_ASSERT(IoStack->MajorFunction == IRP_MJ_INTERNAL_DEVICE_CONTROL);
|
||||
PC_ASSERT(IoStack->Parameters.DeviceIoControl.IoControlCode == IOCTL_INTERNAL_USB_SUBMIT_URB);
|
||||
PC_ASSERT(IoStack->Parameters.Others.Argument1 != 0);
|
||||
|
||||
//
|
||||
// get urb
|
||||
//
|
||||
Urb = (PURB)IoStack->Parameters.Others.Argument1;
|
||||
|
||||
//
|
||||
// store irp
|
||||
//
|
||||
m_Irp = Irp;
|
||||
|
||||
//
|
||||
// check function type
|
||||
//
|
||||
switch (Urb->UrbHeader.Function)
|
||||
{
|
||||
//
|
||||
// luckily those request have the same structure layout
|
||||
//
|
||||
case URB_FUNCTION_CLASS_INTERFACE:
|
||||
case URB_FUNCTION_GET_DESCRIPTOR_FROM_DEVICE:
|
||||
case URB_FUNCTION_BULK_OR_INTERRUPT_TRANSFER:
|
||||
{
|
||||
//
|
||||
// bulk / interrupt transfer
|
||||
//
|
||||
if (Urb->UrbBulkOrInterruptTransfer.TransferBufferLength)
|
||||
{
|
||||
//
|
||||
// it must have an MDL
|
||||
//
|
||||
PC_ASSERT(Urb->UrbBulkOrInterruptTransfer.TransferBufferMDL);
|
||||
|
||||
//
|
||||
// get mdl buffer
|
||||
//
|
||||
m_TransferBufferMDL = Urb->UrbBulkOrInterruptTransfer.TransferBufferMDL;
|
||||
m_TransferBufferLength = Urb->UrbBulkOrInterruptTransfer.TransferBufferLength;
|
||||
}
|
||||
break;
|
||||
}
|
||||
default:
|
||||
DPRINT1("URB Function: not supported %x\n", Urb->UrbHeader.Function);
|
||||
PC_ASSERT(FALSE);
|
||||
}
|
||||
|
||||
//
|
||||
// done
|
||||
//
|
||||
return STATUS_SUCCESS;
|
||||
|
||||
}
|
||||
//----------------------------------------------------------------------------------------
|
||||
NTSTATUS
|
||||
CUSBRequest::SetCompletionEvent(
|
||||
IN PKEVENT Event)
|
||||
{
|
||||
if (m_QueueHead)
|
||||
{
|
||||
//
|
||||
// WTF? operation is already in progress
|
||||
//
|
||||
return STATUS_UNSUCCESSFUL;
|
||||
}
|
||||
|
||||
//
|
||||
// store completion event
|
||||
//
|
||||
m_CompletionEvent = Event;
|
||||
|
||||
//
|
||||
// done
|
||||
//
|
||||
return STATUS_SUCCESS;
|
||||
}
|
||||
//----------------------------------------------------------------------------------------
|
||||
VOID
|
||||
CUSBRequest::CompletionCallback(
|
||||
IN NTSTATUS NtStatusCode,
|
||||
IN ULONG UrbStatusCode)
|
||||
{
|
||||
PIO_STACK_LOCATION IoStack;
|
||||
PURB Urb;
|
||||
|
||||
if (m_Irp)
|
||||
{
|
||||
//
|
||||
// set irp completion status
|
||||
//
|
||||
m_Irp->IoStatus.Status = NtStatusCode;
|
||||
|
||||
//
|
||||
// get current irp stack location
|
||||
//
|
||||
IoStack = IoGetCurrentIrpStackLocation(m_Irp);
|
||||
|
||||
//
|
||||
// get urb
|
||||
//
|
||||
Urb = (PURB)IoStack->Parameters.Others.Argument1;
|
||||
|
||||
//
|
||||
// store urb status
|
||||
//
|
||||
Urb->UrbHeader.Status = UrbStatusCode;
|
||||
|
||||
//
|
||||
// check if the request was successfull
|
||||
//
|
||||
if (!NT_SUCCESS(NtStatusCode))
|
||||
{
|
||||
//
|
||||
// set returned length to zero in case of error
|
||||
//
|
||||
Urb->UrbHeader.Length = 0;
|
||||
}
|
||||
|
||||
//
|
||||
// FIXME: check if the transfer was split
|
||||
// if yes dont complete irp yet
|
||||
//
|
||||
IoCompleteRequest(m_Irp, IO_NO_INCREMENT);
|
||||
}
|
||||
|
||||
if (m_CompletionEvent)
|
||||
{
|
||||
//
|
||||
// FIXME: make sure the request was not split
|
||||
//
|
||||
KeSetEvent(m_CompletionEvent, 0, FALSE);
|
||||
}
|
||||
}
|
||||
//----------------------------------------------------------------------------------------
|
||||
VOID
|
||||
CUSBRequest::CancelCallback(
|
||||
IN NTSTATUS NtStatusCode)
|
||||
{
|
||||
PIO_STACK_LOCATION IoStack;
|
||||
PURB Urb;
|
||||
|
||||
if (m_Irp)
|
||||
{
|
||||
//
|
||||
// set irp completion status
|
||||
//
|
||||
m_Irp->IoStatus.Status = NtStatusCode;
|
||||
|
||||
//
|
||||
// get current irp stack location
|
||||
//
|
||||
IoStack = IoGetCurrentIrpStackLocation(m_Irp);
|
||||
|
||||
//
|
||||
// get urb
|
||||
//
|
||||
Urb = (PURB)IoStack->Parameters.Others.Argument1;
|
||||
|
||||
//
|
||||
// store urb status
|
||||
//
|
||||
Urb->UrbHeader.Status = USBD_STATUS_CANCELED;
|
||||
Urb->UrbHeader.Length = 0;
|
||||
|
||||
//
|
||||
// FIXME: check if the transfer was split
|
||||
// if yes dont complete irp yet
|
||||
//
|
||||
IoCompleteRequest(m_Irp, IO_NO_INCREMENT);
|
||||
}
|
||||
|
||||
if (m_CompletionEvent)
|
||||
{
|
||||
//
|
||||
// FIXME: make sure the request was not split
|
||||
//
|
||||
KeSetEvent(m_CompletionEvent, 0, FALSE);
|
||||
}
|
||||
}
|
||||
//----------------------------------------------------------------------------------------
|
||||
NTSTATUS
|
||||
CUSBRequest::GetQueueHead(
|
||||
struct _QUEUE_HEAD ** OutHead)
|
||||
{
|
||||
ULONG TransferType;
|
||||
NTSTATUS Status;
|
||||
|
||||
//
|
||||
// first get transfer type
|
||||
//
|
||||
TransferType = InternalGetTransferType();
|
||||
|
||||
//
|
||||
// build request depending on type
|
||||
//
|
||||
switch(TransferType)
|
||||
{
|
||||
case USB_ENDPOINT_TYPE_CONTROL:
|
||||
Status = BuildControlTransferQueueHead(OutHead);
|
||||
break;
|
||||
case USB_ENDPOINT_TYPE_BULK:
|
||||
Status = BuildBulkTransferQueueHead(OutHead);
|
||||
break;
|
||||
case USB_ENDPOINT_TYPE_INTERRUPT:
|
||||
DPRINT1("USB_ENDPOINT_TYPE_INTERRUPT not implemented\n");
|
||||
Status = STATUS_NOT_IMPLEMENTED;
|
||||
break;
|
||||
case USB_ENDPOINT_TYPE_ISOCHRONOUS:
|
||||
DPRINT1("USB_ENDPOINT_TYPE_ISOCHRONOUS not implemented\n");
|
||||
Status = STATUS_NOT_IMPLEMENTED;
|
||||
break;
|
||||
}
|
||||
|
||||
if (NT_SUCCESS(Status))
|
||||
{
|
||||
//
|
||||
// store queue head
|
||||
//
|
||||
m_QueueHead = *OutHead;
|
||||
}
|
||||
|
||||
//
|
||||
// done
|
||||
//
|
||||
return Status;
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------------------------------
|
||||
BOOLEAN
|
||||
CUSBRequest::IsRequestComplete()
|
||||
{
|
||||
//
|
||||
// FIXME: check if request was split
|
||||
//
|
||||
return TRUE;
|
||||
}
|
||||
//----------------------------------------------------------------------------------------
|
||||
ULONG
|
||||
CUSBRequest::GetTransferType()
|
||||
{
|
||||
//
|
||||
// call internal implementation
|
||||
//
|
||||
return InternalGetTransferType();
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------------------------------
|
||||
ULONG
|
||||
CUSBRequest::InternalGetTransferType()
|
||||
{
|
||||
PIO_STACK_LOCATION IoStack;
|
||||
PURB Urb;
|
||||
PUSB_ENDPOINT_DESCRIPTOR EndpointDescriptor;
|
||||
ULONG TransferType;
|
||||
|
||||
//
|
||||
// check if an irp is provided
|
||||
//
|
||||
if (m_Irp)
|
||||
{
|
||||
//
|
||||
// get stack location
|
||||
//
|
||||
IoStack = IoGetCurrentIrpStackLocation(m_Irp);
|
||||
|
||||
//
|
||||
// get urb
|
||||
//
|
||||
Urb = (PURB)IoStack->Parameters.Others.Argument1;
|
||||
|
||||
//
|
||||
// check if there is a handle
|
||||
//
|
||||
if (Urb->UrbBulkOrInterruptTransfer.PipeHandle)
|
||||
{
|
||||
//
|
||||
// cast to end point
|
||||
//
|
||||
EndpointDescriptor = (PUSB_ENDPOINT_DESCRIPTOR)Urb->UrbBulkOrInterruptTransfer.PipeHandle;
|
||||
|
||||
//
|
||||
// end point is defined in the low byte of bmAttributes
|
||||
//
|
||||
TransferType = (EndpointDescriptor->bmAttributes & USB_ENDPOINT_TYPE_MASK);
|
||||
}
|
||||
else
|
||||
{
|
||||
//
|
||||
// no pipe handle, assume it is a control transfer
|
||||
//
|
||||
TransferType = USB_ENDPOINT_TYPE_CONTROL;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
//
|
||||
// initialized with setup packet, must be a control transfer
|
||||
//
|
||||
TransferType = USB_ENDPOINT_TYPE_CONTROL;
|
||||
}
|
||||
|
||||
//
|
||||
// done
|
||||
//
|
||||
return TransferType;
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------------------------------
|
||||
NTSTATUS
|
||||
CUSBRequest::BuildControlTransferQueueHead(
|
||||
PQUEUE_HEAD * OutHead)
|
||||
{
|
||||
NTSTATUS Status;
|
||||
ULONG NumTransferDescriptors, Index;
|
||||
PQUEUE_HEAD QueueHead;
|
||||
|
||||
|
||||
//
|
||||
// first allocate the queue head
|
||||
//
|
||||
Status = CreateQueueHead(&QueueHead);
|
||||
if (!NT_SUCCESS(Status))
|
||||
{
|
||||
//
|
||||
// failed to allocate queue head
|
||||
//
|
||||
return STATUS_INSUFFICIENT_RESOURCES;
|
||||
}
|
||||
|
||||
//
|
||||
// create setup packet
|
||||
//
|
||||
Status = BuildSetupPacket();
|
||||
if (!NT_SUCCESS(Status))
|
||||
{
|
||||
//
|
||||
// failed to allocate setup packet
|
||||
//
|
||||
return STATUS_INSUFFICIENT_RESOURCES;
|
||||
}
|
||||
|
||||
//
|
||||
// calculate num of transfer descriptors
|
||||
//
|
||||
NumTransferDescriptors = m_TransferBufferMDL != 0 ? 3 : 2;
|
||||
|
||||
//
|
||||
// allocate transfer descriptors
|
||||
//
|
||||
for(Index = 0; Index < NumTransferDescriptors; Index++)
|
||||
{
|
||||
//
|
||||
// allocate transfer descriptor
|
||||
//
|
||||
Status = CreateDescriptor(&m_TransferDescriptors[Index]);
|
||||
if (!NT_SUCCESS(Status))
|
||||
{
|
||||
//
|
||||
// failed to allocate transfer descriptor
|
||||
//
|
||||
return Status;
|
||||
}
|
||||
}
|
||||
|
||||
//
|
||||
// now initialize the queue head
|
||||
//
|
||||
QueueHead->EndPointCharacteristics.DeviceAddress = GetDeviceAddress();
|
||||
|
||||
//if (PipeHandle)
|
||||
// QueueHead->EndPointCharacteristics.EndPointNumber = ((PUSB_ENDPOINT_DESCRIPTOR)PipeHandle)->bEndpointAddress & 0x0F;
|
||||
|
||||
QueueHead->Token.Bits.DataToggle = TRUE;
|
||||
|
||||
//
|
||||
// setup descriptors
|
||||
//
|
||||
m_TransferDescriptors[0]->Token.Bits.PIDCode = PID_CODE_SETUP_TOKEN;
|
||||
m_TransferDescriptors[0]->Token.Bits.TotalBytesToTransfer = sizeof(USB_DEFAULT_PIPE_SETUP_PACKET);
|
||||
m_TransferDescriptors[0]->Token.Bits.DataToggle = FALSE;
|
||||
|
||||
if (m_TransferBufferMDL)
|
||||
{
|
||||
//
|
||||
// setup in descriptor
|
||||
//
|
||||
m_TransferDescriptors[1]->Token.Bits.PIDCode = PID_CODE_IN_TOKEN;
|
||||
m_TransferDescriptors[1]->Token.Bits.TotalBytesToTransfer = m_TransferBufferLength;
|
||||
|
||||
//
|
||||
// setup out descriptor
|
||||
//
|
||||
m_TransferDescriptors[2]->Token.Bits.PIDCode = PID_CODE_OUT_TOKEN;
|
||||
m_TransferDescriptors[2]->Token.Bits.TotalBytesToTransfer = 0;
|
||||
|
||||
//
|
||||
// link descriptors
|
||||
//
|
||||
m_TransferDescriptors[0]->NextPointer = m_TransferDescriptors[1]->PhysicalAddr;
|
||||
|
||||
//
|
||||
// special case, setup alternative next descriptor in case of error
|
||||
// HAIKU links to dead descriptor
|
||||
//
|
||||
m_TransferDescriptors[0]->AlternateNextPointer = m_TransferDescriptors[2]->PhysicalAddr;
|
||||
m_TransferDescriptors[1]->NextPointer = m_TransferDescriptors[2]->PhysicalAddr;
|
||||
m_TransferDescriptors[1]->AlternateNextPointer = m_TransferDescriptors[2]->PhysicalAddr;
|
||||
|
||||
//
|
||||
// interrupt on completion
|
||||
//
|
||||
m_TransferDescriptors[2]->Token.Bits.InterruptOnComplete = TRUE;
|
||||
|
||||
}
|
||||
else
|
||||
{
|
||||
//
|
||||
// no buffer, setup in descriptor
|
||||
//
|
||||
m_TransferDescriptors[1]->Token.Bits.PIDCode = PID_CODE_IN_TOKEN;
|
||||
m_TransferDescriptors[1]->Token.Bits.TotalBytesToTransfer = 0;
|
||||
|
||||
//
|
||||
// link descriptors
|
||||
//
|
||||
m_TransferDescriptors[0]->NextPointer = m_TransferDescriptors[1]->PhysicalAddr;
|
||||
m_TransferDescriptors[0]->AlternateNextPointer = m_TransferDescriptors[1]->PhysicalAddr;
|
||||
|
||||
//
|
||||
// interrupt on completion
|
||||
//
|
||||
m_TransferDescriptors[1]->Token.Bits.InterruptOnComplete = TRUE;
|
||||
}
|
||||
|
||||
//
|
||||
// FIXME: where put MDL virtual address?
|
||||
//
|
||||
|
||||
|
||||
//
|
||||
// link setup packet into buffer - VIRTUAL Address!!!
|
||||
//
|
||||
m_TransferDescriptors[0]->BufferPointer[0] = (ULONG)PtrToUlong(m_DescriptorPacket);
|
||||
|
||||
//
|
||||
// link transfer descriptors to queue head
|
||||
//
|
||||
QueueHead->NextPointer = m_TransferDescriptors[0]->PhysicalAddr;
|
||||
|
||||
//
|
||||
// store result
|
||||
//
|
||||
*OutHead = QueueHead;
|
||||
|
||||
//
|
||||
// done
|
||||
//
|
||||
return STATUS_SUCCESS;
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------------------------------
|
||||
NTSTATUS
|
||||
CUSBRequest::BuildBulkTransferQueueHead(
|
||||
PQUEUE_HEAD * OutHead)
|
||||
{
|
||||
UNIMPLEMENTED
|
||||
return STATUS_NOT_IMPLEMENTED;
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------------------------------
|
||||
NTSTATUS
|
||||
CUSBRequest::CreateDescriptor(
|
||||
PQUEUE_TRANSFER_DESCRIPTOR *OutDescriptor)
|
||||
{
|
||||
PQUEUE_TRANSFER_DESCRIPTOR Descriptor;
|
||||
NTSTATUS Status;
|
||||
PHYSICAL_ADDRESS TransferDescriptorPhysicalAddress;
|
||||
|
||||
//
|
||||
// allocate descriptor
|
||||
//
|
||||
Status = m_DmaManager->Allocate(sizeof(QUEUE_TRANSFER_DESCRIPTOR), (PVOID*)&Descriptor, &TransferDescriptorPhysicalAddress);
|
||||
if (!NT_SUCCESS(Status))
|
||||
{
|
||||
//
|
||||
// failed to allocate transfer descriptor
|
||||
//
|
||||
return STATUS_INSUFFICIENT_RESOURCES;
|
||||
}
|
||||
|
||||
//
|
||||
// initialize transfer descriptor
|
||||
//
|
||||
Descriptor->NextPointer = TERMINATE_POINTER;
|
||||
Descriptor->AlternateNextPointer = TERMINATE_POINTER;
|
||||
Descriptor->Token.Bits.DataToggle = TRUE;
|
||||
Descriptor->Token.Bits.ErrorCounter = 0x03;
|
||||
Descriptor->Token.Bits.Active = TRUE;
|
||||
Descriptor->PhysicalAddr = TransferDescriptorPhysicalAddress.LowPart;
|
||||
|
||||
//
|
||||
// store result
|
||||
//
|
||||
*OutDescriptor = Descriptor;
|
||||
|
||||
//
|
||||
// done
|
||||
//
|
||||
return Status;
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------------------------------
|
||||
NTSTATUS
|
||||
CUSBRequest::CreateQueueHead(
|
||||
PQUEUE_HEAD *OutQueueHead)
|
||||
{
|
||||
PQUEUE_HEAD QueueHead;
|
||||
PHYSICAL_ADDRESS QueueHeadPhysicalAddress;
|
||||
NTSTATUS Status;
|
||||
|
||||
//
|
||||
// allocate queue head
|
||||
//
|
||||
Status = m_DmaManager->Allocate(sizeof(QUEUE_HEAD), (PVOID*)&QueueHead, &QueueHeadPhysicalAddress);
|
||||
if (!NT_SUCCESS(Status))
|
||||
{
|
||||
//
|
||||
// failed to allocate queue head
|
||||
//
|
||||
return STATUS_INSUFFICIENT_RESOURCES;
|
||||
}
|
||||
|
||||
//
|
||||
// initialize queue head
|
||||
//
|
||||
QueueHead->HorizontalLinkPointer = TERMINATE_POINTER;
|
||||
QueueHead->AlternateNextPointer = TERMINATE_POINTER;
|
||||
QueueHead->NextPointer = TERMINATE_POINTER;
|
||||
|
||||
//
|
||||
// 1 for non high speed, 0 for high speed device
|
||||
//
|
||||
QueueHead->EndPointCharacteristics.ControlEndPointFlag = 0;
|
||||
QueueHead->EndPointCharacteristics.HeadOfReclamation = FALSE;
|
||||
QueueHead->EndPointCharacteristics.MaximumPacketLength = 64;
|
||||
|
||||
//
|
||||
// Set NakCountReload to max value possible
|
||||
//
|
||||
QueueHead->EndPointCharacteristics.NakCountReload = 0xF;
|
||||
|
||||
//
|
||||
// Get the Initial Data Toggle from the QEDT
|
||||
//
|
||||
QueueHead->EndPointCharacteristics.QEDTDataToggleControl = FALSE;
|
||||
|
||||
//
|
||||
// FIXME: check if High Speed Device
|
||||
//
|
||||
QueueHead->EndPointCharacteristics.EndPointSpeed = QH_ENDPOINT_HIGHSPEED;
|
||||
QueueHead->EndPointCapabilities.NumberOfTransactionPerFrame = 0x03;
|
||||
QueueHead->Token.DWord = 0;
|
||||
QueueHead->Token.Bits.InterruptOnComplete = FALSE;
|
||||
|
||||
//
|
||||
// FIXME check if that is really needed
|
||||
//
|
||||
QueueHead->PhysicalAddr = QueueHeadPhysicalAddress.LowPart;
|
||||
|
||||
//
|
||||
// done
|
||||
//
|
||||
return STATUS_SUCCESS;
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------------------------------
|
||||
ULONG
|
||||
CUSBRequest::GetDeviceAddress()
|
||||
{
|
||||
PIO_STACK_LOCATION IoStack;
|
||||
PURB Urb;
|
||||
PUSBDEVICE UsbDevice;
|
||||
|
||||
//
|
||||
// check if there is an irp provided
|
||||
//
|
||||
if (!m_Irp)
|
||||
{
|
||||
//
|
||||
// no irp is provided
|
||||
// assume it is for device address 0
|
||||
return 0;
|
||||
}
|
||||
|
||||
//
|
||||
// get current stack location
|
||||
//
|
||||
IoStack = IoGetCurrentIrpStackLocation(m_Irp);
|
||||
|
||||
//
|
||||
// get contained urb
|
||||
//
|
||||
Urb = (PURB)IoStack->Parameters.Others.Argument1;
|
||||
|
||||
//
|
||||
// check if there is a pipe handle provided
|
||||
//
|
||||
if (Urb->UrbHeader.UsbdDeviceHandle)
|
||||
{
|
||||
//
|
||||
// there is a device handle provided
|
||||
//
|
||||
UsbDevice = (PUSBDEVICE)Urb->UrbHeader.UsbdDeviceHandle;
|
||||
|
||||
//
|
||||
// return device address
|
||||
//
|
||||
return UsbDevice->GetDeviceAddress();
|
||||
}
|
||||
|
||||
//
|
||||
// no device handle provided, it is the host root bus
|
||||
//
|
||||
return 0;
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------------------------------
|
||||
NTSTATUS
|
||||
CUSBRequest::BuildSetupPacket()
|
||||
{
|
||||
NTSTATUS Status;
|
||||
PHYSICAL_ADDRESS PhysicalAddress;
|
||||
|
||||
//
|
||||
// FIXME: generate setup packet from urb request
|
||||
//
|
||||
PC_ASSERT(m_SetupPacket);
|
||||
|
||||
//
|
||||
// allocate common buffer setup packet
|
||||
//
|
||||
Status = m_DmaManager->Allocate(sizeof(USB_DEFAULT_PIPE_SETUP_PACKET), (PVOID*)&m_DescriptorPacket, &PhysicalAddress);
|
||||
if (!NT_SUCCESS(Status))
|
||||
{
|
||||
//
|
||||
// no memory
|
||||
//
|
||||
return Status;
|
||||
}
|
||||
|
||||
if (m_SetupPacket)
|
||||
{
|
||||
//
|
||||
// copy setup packet
|
||||
//
|
||||
RtlCopyMemory(m_DescriptorPacket, m_SetupPacket, sizeof(USB_DEFAULT_PIPE_SETUP_PACKET));
|
||||
}
|
||||
|
||||
//
|
||||
// done
|
||||
//
|
||||
return Status;
|
||||
}
|
||||
|
||||
Loading…
Add table
Add a link
Reference in a new issue