/*++
Copyright (c) 1993 Microsoft Corporation
Module Name:
parallel.h
Abstract:
This file defines the services supplied by the parallel port driver.
Author:
norbertk
Revision History:
--*/
#ifndef _PARALLEL_
#define _PARALLEL_
#include <ntddpar.h>
//
// Define the parallel port device name strings.
//
#define DD_PARALLEL_PORT_BASE_NAME_U L"ParallelPort"
//
// NtDeviceIoControlFile internal IoControlCode values for parallel device.
//
#define IOCTL_INTERNAL_PARALLEL_PORT_ALLOCATE CTL_CODE(FILE_DEVICE_PARALLEL_PORT, 11, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_INTERNAL_GET_PARALLEL_PORT_INFO CTL_CODE(FILE_DEVICE_PARALLEL_PORT, 12, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_INTERNAL_PARALLEL_CONNECT_INTERRUPT CTL_CODE(FILE_DEVICE_PARALLEL_PORT, 13, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_INTERNAL_PARALLEL_DISCONNECT_INTERRUPT CTL_CODE(FILE_DEVICE_PARALLEL_PORT, 14, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_INTERNAL_RELEASE_PARALLEL_PORT_INFO CTL_CODE(FILE_DEVICE_PARALLEL_PORT, 15, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_INTERNAL_GET_MORE_PARALLEL_PORT_INFO CTL_CODE(FILE_DEVICE_PARALLEL_PORT, 17, METHOD_BUFFERED, FILE_ANY_ACCESS)
typedef
BOOLEAN
(*PPARALLEL_TRY_ALLOCATE_ROUTINE) (
IN PVOID TryAllocateContext
);
typedef
VOID
(*PPARALLEL_FREE_ROUTINE) (
IN PVOID FreeContext
);
typedef
ULONG
(*PPARALLEL_QUERY_WAITERS_ROUTINE) (
IN PVOID QueryAllocsContext
);
typedef struct _PARALLEL_PORT_INFORMATION {
PHYSICAL_ADDRESS OriginalController;
PUCHAR Controller;
ULONG SpanOfController;
PPARALLEL_TRY_ALLOCATE_ROUTINE TryAllocatePort;
PPARALLEL_FREE_ROUTINE FreePort;
PPARALLEL_QUERY_WAITERS_ROUTINE QueryNumWaiters;
PVOID Context;
} PARALLEL_PORT_INFORMATION, *PPARALLEL_PORT_INFORMATION;
//
// The following structure is passed in on an
// IOCTL_INTERNAL_PARALLEL_CONNECT_INTERRUPT and on an
// IOCTL_INTERNAL_PARALLEL_DISCONNECT_INTERRUPT request.
//
typedef
VOID
(*PPARALLEL_DEFERRED_ROUTINE) (
IN PVOID DeferredContext
);
typedef struct _PARALLEL_INTERRUPT_SERVICE_ROUTINE {
PKSERVICE_ROUTINE InterruptServiceRoutine;
PVOID InterruptServiceContext;
PPARALLEL_DEFERRED_ROUTINE DeferredPortCheckRoutine; /* OPTIONAL */
PVOID DeferredPortCheckContext; /* OPTIONAL */
} PARALLEL_INTERRUPT_SERVICE_ROUTINE, *PPARALLEL_INTERRUPT_SERVICE_ROUTINE;
//
// The following structure is returned on an
// IOCTL_INTERNAL_PARALLEL_CONNECT_INTERRUPT request;
//
typedef struct _PARALLEL_INTERRUPT_INFORMATION {
PKINTERRUPT InterruptObject;
PPARALLEL_TRY_ALLOCATE_ROUTINE TryAllocatePortAtInterruptLevel;
PPARALLEL_FREE_ROUTINE FreePortFromInterruptLevel;
PVOID Context;
} PARALLEL_INTERRUPT_INFORMATION, *PPARALLEL_INTERRUPT_INFORMATION;
//
// The following structure is returned on an
// IOCTL_INTERNAL_GET_MORE_PARALLEL_PORT_INFO.
//
typedef struct _MORE_PARALLEL_PORT_INFORMATION {
INTERFACE_TYPE InterfaceType;
ULONG BusNumber;
ULONG InterruptLevel;
ULONG InterruptVector;
KAFFINITY InterruptAffinity;
KINTERRUPT_MODE InterruptMode;
} MORE_PARALLEL_PORT_INFORMATION, *PMORE_PARALLEL_PORT_INFORMATION;
#endif // _PARALLEL_
