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Some basics of driver wrapper - establish dispatch functions, a very basic AddDevice handler. Still stubs, but they will be filled with something very soon!

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svn path=/trunk/; revision=13521
This commit is contained in:
Aleksey Bragin 2005-02-12 23:31:15 +00:00
parent 4ba5ab7473
commit 9f1be875f3
1 changed files with 60 additions and 1 deletions
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61
reactos/drivers/usb/cromwell/host/ohci_main.c
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@ -4,13 +4,72 @@
*/
#include <ddk/ntddk.h>
#include <debug.h>
NTSTATUS AddDevice(PDRIVER_OBJECT DriverObject, PDEVICE_OBJECT pdo)
{
PDEVICE_OBJECT fdo;
NTSTATUS Status;
WCHAR DeviceBuffer[20];
UNICODE_STRING DeviceName;
DbgPrint("ohci: AddDevice called\n");
/* Create a unicode device name. */
swprintf(DeviceBuffer, L"\\Device\\usbohci");
RtlInitUnicodeString(&DeviceName, DeviceBuffer);
Status = IoCreateDevice(DriverObject, 0, &DeviceName, FILE_DEVICE_VIDEO, 0, FALSE,&fdo);
if (!NT_SUCCESS(Status))
{
DPRINT("IoCreateDevice call failed with status 0x%08x\n", Status);
return Status;
}
return STATUS_SUCCESS;
}
VOID DriverUnload(PDRIVER_OBJECT DriverObject)
{
// nothing to do here yet
}
// Dispatch PNP
NTSTATUS DispatchPnp(PDEVICE_OBJECT fdo, PIRP Irp)
{
ULONG fcn;
PIO_STACK_LOCATION stack;
stack = IoGetCurrentIrpStackLocation(Irp);
fcn = stack->MinorFunction;
DbgPrint("IRP_MJ_PNP, fcn=%d\n", fcn);
if (fcn == IRP_MN_REMOVE_DEVICE)
{
IoDeleteDevice(fdo);
}
return STATUS_SUCCESS;
}
NTSTATUS DispatchPower(PDEVICE_OBJECT fido, PIRP Irp)
{
DbgPrint("IRP_MJ_POWER dispatch\n");
return STATUS_SUCCESS;
}
/*
* Standard DriverEntry method.
*/
NTSTATUS STDCALL
DriverEntry(IN PVOID Context1, IN PVOID Context2)
DriverEntry(IN PDRIVER_OBJECT DriverObject, IN PUNICODE_STRING RegPath)
{
DriverObject->DriverUnload = DriverUnload;
DriverObject->DriverExtension->AddDevice = AddDevice;
DriverObject->MajorFunction[IRP_MJ_PNP] = DispatchPnp;
DriverObject->MajorFunction[IRP_MJ_POWER] = DispatchPower;
return STATUS_SUCCESS;
}