You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
89 lines
1.7 KiB
89 lines
1.7 KiB
/*++
|
|
|
|
Copyright (c) 1998 Microsoft Corporation
|
|
|
|
Module Name:
|
|
|
|
rdwr.c
|
|
|
|
Abstract:
|
|
|
|
This module contains the code for a serial imaging devices driver.
|
|
I/O control routine
|
|
|
|
Author:
|
|
|
|
Vlad Sadovsky vlads 10-April-1998
|
|
|
|
Environment:
|
|
|
|
Kernel mode
|
|
|
|
Revision History :
|
|
|
|
vlads 04/10/1998 Created first draft
|
|
|
|
--*/
|
|
|
|
#include "serscan.h"
|
|
#include "serlog.h"
|
|
|
|
#if DBG
|
|
extern ULONG SerScanDebugLevel;
|
|
#endif
|
|
|
|
#ifdef ALLOC_PRAGMA
|
|
#pragma alloc_text(PAGE, SerScanDeviceControl)
|
|
#endif
|
|
|
|
NTSTATUS
|
|
SerScanDeviceControl(
|
|
IN PDEVICE_OBJECT DeviceObject,
|
|
IN PIRP Irp
|
|
)
|
|
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
This routine is the dispatch for device control requests.
|
|
|
|
Arguments:
|
|
|
|
DeviceObject - Supplies the device object.
|
|
|
|
Irp - Supplies the I/O request packet.
|
|
|
|
Return Value:
|
|
|
|
STATUS_SUCCESS - Success.
|
|
STATUS_PENDING - Request pending.
|
|
STATUS_BUFFER_TOO_SMALL - Buffer too small.
|
|
STATUS_INVALID_PARAMETER - Invalid io control request.
|
|
|
|
--*/
|
|
|
|
{
|
|
NTSTATUS Status;
|
|
PDEVICE_EXTENSION Extension;
|
|
|
|
PAGED_CODE();
|
|
|
|
Extension = DeviceObject->DeviceExtension;
|
|
|
|
//
|
|
// Call down to the parent but don't wait...we'll get an IoCompletion callback.
|
|
//
|
|
Status = SerScanCallParent(Extension,
|
|
Irp,
|
|
NO_WAIT,
|
|
SerScanCompleteIrp);
|
|
|
|
DebugDump(SERIRPPATH,
|
|
("SerScan: [Cleanup] After CallParent Status = %x\n",
|
|
Status));
|
|
|
|
return Status;
|
|
}
|
|
|
|
|