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[HIDCLASS] Implement IOCTL_HID_GET_FEATURE/IOCTL_HID_SET_FEATURE

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This commit is contained in:
Hervé Poussineau 2019-04-19 22:40:32 +02:00
parent afca8367ea
commit 501116b68f
3 changed files with 145 additions and 0 deletions
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114
drivers/hid/hidclass/hidclass.c
View file

@ -934,6 +934,120 @@ HidClass_DeviceControl(
IoCompleteRequest(Irp, IO_NO_INCREMENT);
return STATUS_SUCCESS;
}
case IOCTL_HID_GET_FEATURE:
{
PIRP SubIrp;
KEVENT Event;
IO_STATUS_BLOCK IoStatusBlock;
HID_XFER_PACKET XferPacket;
NTSTATUS Status;
PHIDP_REPORT_IDS ReportDescription;
if (IoStack->Parameters.DeviceIoControl.InputBufferLength < 1)
{
Irp->IoStatus.Status = STATUS_INVALID_PARAMETER;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
return STATUS_INVALID_PARAMETER;
}
ReportDescription = HidClassPDO_GetReportDescriptionByReportID(&PDODeviceExtension->Common.DeviceDescription, ((PUCHAR)Irp->AssociatedIrp.SystemBuffer)[0]);
if (!ReportDescription || IoStack->Parameters.DeviceIoControl.OutputBufferLength < ReportDescription->FeatureLength)
{
Irp->IoStatus.Status = STATUS_INVALID_PARAMETER;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
return STATUS_INVALID_PARAMETER;
}
RtlZeroMemory(&XferPacket, sizeof(XferPacket));
XferPacket.reportBufferLen = ReportDescription->FeatureLength;
XferPacket.reportBuffer = MmGetSystemAddressForMdlSafe(Irp->MdlAddress, NormalPagePriority);
XferPacket.reportId = ((PUCHAR)Irp->AssociatedIrp.SystemBuffer)[0];
if (!XferPacket.reportBuffer)
{
Irp->IoStatus.Status = STATUS_INSUFFICIENT_RESOURCES;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
return STATUS_INSUFFICIENT_RESOURCES;
}
SubIrp = IoBuildDeviceIoControlRequest(
IOCTL_HID_GET_FEATURE,
CommonDeviceExtension->HidDeviceExtension.NextDeviceObject,
NULL, 0,
NULL, 0,
TRUE,
&Event,
&IoStatusBlock);
if (!SubIrp)
{
Irp->IoStatus.Status = STATUS_NO_MEMORY;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
return STATUS_NOT_IMPLEMENTED;
}
SubIrp->UserBuffer = &XferPacket;
KeInitializeEvent(&Event, SynchronizationEvent, FALSE);
Status = IoCallDriver(CommonDeviceExtension->HidDeviceExtension.NextDeviceObject, SubIrp);
if (Status == STATUS_PENDING)
{
KeWaitForSingleObject(&Event, Executive, KernelMode, FALSE, NULL);
Status = IoStatusBlock.Status;
}
Irp->IoStatus.Status = Status;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
return Status;
}
case IOCTL_HID_SET_FEATURE:
{
PIRP SubIrp;
KEVENT Event;
IO_STATUS_BLOCK IoStatusBlock;
HID_XFER_PACKET XferPacket;
NTSTATUS Status;
PHIDP_REPORT_IDS ReportDescription;
if (IoStack->Parameters.DeviceIoControl.InputBufferLength < 1)
{
Irp->IoStatus.Status = STATUS_INVALID_PARAMETER;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
return STATUS_INVALID_PARAMETER;
}
ReportDescription = HidClassPDO_GetReportDescriptionByReportID(&PDODeviceExtension->Common.DeviceDescription, ((PUCHAR)Irp->AssociatedIrp.SystemBuffer)[0]);
if (!ReportDescription || IoStack->Parameters.DeviceIoControl.InputBufferLength < ReportDescription->FeatureLength)
{
Irp->IoStatus.Status = STATUS_INVALID_PARAMETER;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
return STATUS_INVALID_PARAMETER;
}
RtlZeroMemory(&XferPacket, sizeof(XferPacket));
XferPacket.reportBufferLen = ReportDescription->FeatureLength;
XferPacket.reportBuffer = Irp->AssociatedIrp.SystemBuffer;
XferPacket.reportId = XferPacket.reportBuffer[0];
SubIrp = IoBuildDeviceIoControlRequest(
IOCTL_HID_SET_FEATURE,
CommonDeviceExtension->HidDeviceExtension.NextDeviceObject,
NULL, 0,
NULL, 0,
TRUE,
&Event,
&IoStatusBlock);
if (!SubIrp)
{
Irp->IoStatus.Status = STATUS_NO_MEMORY;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
return STATUS_NOT_IMPLEMENTED;
}
SubIrp->UserBuffer = &XferPacket;
KeInitializeEvent(&Event, SynchronizationEvent, FALSE);
Status = IoCallDriver(CommonDeviceExtension->HidDeviceExtension.NextDeviceObject, SubIrp);
if (Status == STATUS_PENDING)
{
KeWaitForSingleObject(&Event, Executive, KernelMode, FALSE, NULL);
Status = IoStatusBlock.Status;
}
Irp->IoStatus.Status = Status;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
return Status;
}
default:
{
DPRINT1("[HIDCLASS] DeviceControl IoControlCode 0x%x not implemented\n", IoStack->Parameters.DeviceIoControl.IoControlCode);

26
drivers/hid/hidclass/pdo.c
View file

@ -67,6 +67,32 @@ HidClassPDO_GetReportDescription(
return NULL;
}
PHIDP_REPORT_IDS
HidClassPDO_GetReportDescriptionByReportID(
PHIDP_DEVICE_DESC DeviceDescription,
UCHAR ReportID)
{
ULONG Index;
for (Index = 0; Index < DeviceDescription->ReportIDsLength; Index++)
{
if (DeviceDescription->ReportIDs[Index].ReportID == ReportID)
{
//
// found report id
//
return &DeviceDescription->ReportIDs[Index];
}
}
//
// failed to find report id
//
DPRINT1("[HIDCLASS] GetReportDescriptionByReportID ReportID %x not found\n", ReportID);
ASSERT(FALSE);
return NULL;
}
NTSTATUS
HidClassPDO_HandleQueryDeviceId(
IN PDEVICE_OBJECT DeviceObject,

5
drivers/hid/hidclass/precomp.h
View file

@ -213,4 +213,9 @@ HidClassPDO_GetReportDescription(
PHIDP_DEVICE_DESC DeviceDescription,
ULONG CollectionNumber);
PHIDP_REPORT_IDS
HidClassPDO_GetReportDescriptionByReportID(
PHIDP_DEVICE_DESC DeviceDescription,
UCHAR ReportID);
#endif /* _HIDCLASS_PCH_ */