www.pudn.com > pdiusbd12 source.rar > D12irp.c

#define DRIVER 
 
#include "wdm.h" 
#include "stdarg.h" 
#include "stdio.h" 
 
#include "usbdi.h" 
#include "usbdlib.h" 
#include "D12.h" 
 
#include "d12irp.h" 
 
NTSTATUS 
D12_ResetIrpQueue( 
    IN  PDEVICE_OBJECT DeviceObject 
    ) 
{ 
    PDEVICE_EXTENSION deviceExtension; 
    ULONG i; 
 
    D12_KdPrint (("D12TEST.SYS: enter D12_ResetIrpQueue\n")); 
 
    deviceExtension = DeviceObject->DeviceExtension; 
	for( i=0; ipendingIRP[i]=0; 
 
	return STATUS_SUCCESS; 
} 
 
NTSTATUS 
D12_CancelAllPendingIrps( 
    IN  PDEVICE_OBJECT DeviceObject 
	) 
{ 
    PDEVICE_EXTENSION deviceExtension; 
    NTSTATUS ntStatus; 
    ULONG i; 
 
    D12_KdPrint (("D12TEST.SYS: enter D12_CancelPendingIrps\n")); 
 
    deviceExtension = DeviceObject->DeviceExtension; 
	for( i=0; ipendingIRP[i]) { 
				ntStatus = IoCancelIrp(deviceExtension->pendingIRP[i]); 
				deviceExtension->pendingIRP[i] = 0; 
		} 
	} 
 
    D12_KdPrint (("D12TEST.SYS: exit D12_CancelPendingIrps\n")); 
	return ntStatus; 
} 
 
NTSTATUS 
D12_RemovePendingIrp( 
    IN PDEVICE_OBJECT DeviceObject, 
    IN PIRP Irp 
	) 
{ 
    PDEVICE_EXTENSION deviceExtension; 
    ULONG i; 
 
    D12_KdPrint (("D12TEST.SYS: enter D12_RemovePendingIrp\n")); 
 
    deviceExtension = DeviceObject->DeviceExtension; 
	for( i=0; ipendingIRP[i] == Irp) 
				deviceExtension->pendingIRP[i] = 0; 
 
    D12_KdPrint (("D12TEST.SYS: exit D12_RemovePendingIrp\n")); 
	return STATUS_SUCCESS; 
} 
 
NTSTATUS 
D12_AddPendingIrp( 
    IN PDEVICE_OBJECT DeviceObject, 
    IN PIRP Irp 
	) 
{ 
    PDEVICE_EXTENSION deviceExtension; 
    ULONG i; 
 
    D12_KdPrint (("D12TEST.SYS: enter D12_AddPendingIrp\n")); 
 
    deviceExtension = DeviceObject->DeviceExtension; 
	for( i=0; ipendingIRP[i] == 0) { 
				deviceExtension->pendingIRP[i] = Irp; 
				break; 
		} 
	} 
 
    D12_KdPrint (("D12TEST.SYS: exit D12_AddPendingIrp\n")); 
	return STATUS_SUCCESS; 
}