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[USB-BRINGUP-TRUNK]

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- Open a file handle to the port driver like Windows does
- USB mice are working now

svn path=/branches/usb-bringup-trunk/; revision=55041
This commit is contained in:
Cameron Gutman 2012-01-21 02:59:46 +00:00
parent 48c2e17262
commit 8fdcfb28ce
4 changed files with 136 additions and 0 deletions
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67
drivers/input/kbdclass/kbdclass.c
View file

@ -824,6 +824,72 @@ HandleReadIrp(
return Status;
}
static NTSTATUS NTAPI
ClassPnp(
IN PDEVICE_OBJECT DeviceObject,
IN PIRP Irp)
{
PPORT_DEVICE_EXTENSION DeviceExtension = DeviceObject->DeviceExtension;
PIO_STACK_LOCATION IrpSp = IoGetCurrentIrpStackLocation(Irp);
OBJECT_ATTRIBUTES ObjectAttributes;
IO_STATUS_BLOCK Iosb;
NTSTATUS Status;
switch (IrpSp->MinorFunction)
{
case IRP_MN_START_DEVICE:
Status = ForwardIrpAndWait(DeviceObject, Irp);
if (NT_SUCCESS(Status))
{
InitializeObjectAttributes(&ObjectAttributes,
&DeviceExtension->InterfaceName,
OBJ_CASE_INSENSITIVE | OBJ_KERNEL_HANDLE,
NULL,
NULL);
Status = ZwOpenFile(&DeviceExtension->FileHandle,
FILE_READ_DATA,
&ObjectAttributes,
&Iosb,
0,
0);
if (!NT_SUCCESS(Status))
DeviceExtension->FileHandle = NULL;
}
else
DeviceExtension->FileHandle = NULL;
Irp->IoStatus.Status = Status;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
return Status;
case IRP_MN_REMOVE_DEVICE:
case IRP_MN_STOP_DEVICE:
if (DeviceExtension->FileHandle)
{
ZwClose(DeviceExtension->FileHandle);
DeviceExtension->FileHandle = NULL;
}
Status = STATUS_SUCCESS;
break;
default:
Status = Irp->IoStatus.Status;
break;
}
Irp->IoStatus.Status = Status;
if (NT_SUCCESS(Status))
{
IoSkipCurrentIrpStackLocation(Irp);
return IoCallDriver(DeviceExtension->LowerDevice, Irp);
}
else
{
IoCompleteRequest(Irp, IO_NO_INCREMENT);
return Status;
}
}
static VOID NTAPI
ClassStartIo(
IN PDEVICE_OBJECT DeviceObject,
@ -1021,6 +1087,7 @@ DriverEntry(
DriverObject->MajorFunction[IRP_MJ_CLOSE] = ClassClose;
DriverObject->MajorFunction[IRP_MJ_CLEANUP] = ClassCleanup;
DriverObject->MajorFunction[IRP_MJ_READ] = ClassRead;
DriverObject->MajorFunction[IRP_MJ_PNP] = ClassPnp;
DriverObject->MajorFunction[IRP_MJ_DEVICE_CONTROL] = ClassDeviceControl;
DriverObject->MajorFunction[IRP_MJ_INTERNAL_DEVICE_CONTROL] = ForwardIrpAndForget;
DriverObject->DriverStartIo = ClassStartIo;

1
drivers/input/kbdclass/kbdclass.h
View file

@ -48,6 +48,7 @@ typedef struct _PORT_DEVICE_EXTENSION
PORT_DEVICE_STATE PnpState;
PDEVICE_OBJECT LowerDevice;
PDEVICE_OBJECT ClassDO;
HANDLE FileHandle;
UNICODE_STRING InterfaceName;
} PORT_DEVICE_EXTENSION, *PPORT_DEVICE_EXTENSION;

67
drivers/input/mouclass/mouclass.c
View file

@ -800,6 +800,72 @@ HandleReadIrp(
return Status;
}
static NTSTATUS NTAPI
ClassPnp(
IN PDEVICE_OBJECT DeviceObject,
IN PIRP Irp)
{
PPORT_DEVICE_EXTENSION DeviceExtension = DeviceObject->DeviceExtension;
PIO_STACK_LOCATION IrpSp = IoGetCurrentIrpStackLocation(Irp);
OBJECT_ATTRIBUTES ObjectAttributes;
IO_STATUS_BLOCK Iosb;
NTSTATUS Status;
switch (IrpSp->MinorFunction)
{
case IRP_MN_START_DEVICE:
Status = ForwardIrpAndWait(DeviceObject, Irp);
if (NT_SUCCESS(Status))
{
InitializeObjectAttributes(&ObjectAttributes,
&DeviceExtension->InterfaceName,
OBJ_CASE_INSENSITIVE | OBJ_KERNEL_HANDLE,
NULL,
NULL);
Status = ZwOpenFile(&DeviceExtension->FileHandle,
FILE_READ_DATA,
&ObjectAttributes,
&Iosb,
0,
0);
if (!NT_SUCCESS(Status))
DeviceExtension->FileHandle = NULL;
}
else
DeviceExtension->FileHandle = NULL;
Irp->IoStatus.Status = Status;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
return Status;
case IRP_MN_REMOVE_DEVICE:
case IRP_MN_STOP_DEVICE:
if (DeviceExtension->FileHandle)
{
ZwClose(DeviceExtension->FileHandle);
DeviceExtension->FileHandle = NULL;
}
Status = STATUS_SUCCESS;
break;
default:
Status = Irp->IoStatus.Status;
break;
}
Irp->IoStatus.Status = Status;
if (NT_SUCCESS(Status))
{
IoSkipCurrentIrpStackLocation(Irp);
return IoCallDriver(DeviceExtension->LowerDevice, Irp);
}
else
{
IoCompleteRequest(Irp, IO_NO_INCREMENT);
return Status;
}
}
static VOID NTAPI
ClassStartIo(
IN PDEVICE_OBJECT DeviceObject,
@ -993,6 +1059,7 @@ DriverEntry(
DriverObject->MajorFunction[IRP_MJ_CLOSE] = ClassClose;
DriverObject->MajorFunction[IRP_MJ_CLEANUP] = ClassCleanup;
DriverObject->MajorFunction[IRP_MJ_READ] = ClassRead;
DriverObject->MajorFunction[IRP_MJ_PNP] = ClassPnp;
DriverObject->MajorFunction[IRP_MJ_DEVICE_CONTROL] = ClassDeviceControl;
DriverObject->MajorFunction[IRP_MJ_INTERNAL_DEVICE_CONTROL] = ForwardIrpAndForget;
DriverObject->DriverStartIo = ClassStartIo;

1
drivers/input/mouclass/mouclass.h
View file

@ -48,6 +48,7 @@ typedef struct _PORT_DEVICE_EXTENSION
PORT_DEVICE_STATE PnpState;
PDEVICE_OBJECT LowerDevice;
PDEVICE_OBJECT ClassDO;
HANDLE FileHandle;
UNICODE_STRING InterfaceName;
} PORT_DEVICE_EXTENSION, *PPORT_DEVICE_EXTENSION;