Windows2000/private/ntos/inc/dzport.h
2020-09-30 17:12:32 +02:00

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/*++
Copyright (c) 1990 Microsoft Corporation
Module Name:
d3dzport.h
Abstract:
This include file defines the interface between the DECstation 5000
DZ port driver and its client class drivers.
Author:
David N. Cutler (davec) 15-Aug-1990
Environment:
Kernel mode
Revision History:
*/
#ifndef _DZPORT
#define _DZPORT
// Define DZ port internal I/O control functions.
#define IOCTL_MN_DZPORT_CONNECT 0 // connect line
#define IOCTL_MN_DZPORT_DISCONNECT 4 // disconnect line
// Define client procedure types for interrupt routines.
typedef
VOID
(*PDZPORT_INPUT_SERVICE) (
IN PVOID ClientContext,
IN UCHAR InputByte
);
typedef
BOOLEAN
(*PDZPORT_OUTPUT_SERVICE) (
IN PVOID ClientContext
);
// Define port procedure types for service routines.
typedef
VOID
(*PDZPORT_DISABLE_LINE) (
IN PVOID PortContext
);
typedef
VOID
(*PDZPORT_ENABLE_LINE) (
IN PVOID PortContext
);
typedef
VOID
(*PDZPORT_ENABLE_TRANSMIT) (
IN PVOID PortContext
);
typedef
VOID
(*PDZPORT_OUTPUT_BYTE) (
IN PVOID PortContext,
IN UCHAR OutputByte
);
typedef
BOOLEAN
(*PDZPORT_SET_LINE_PARAMETERS) (
IN PVOID PortContext,
IN ULONG BaudRate,
IN ULONG CharacterLength,
IN ULONG StopBits,
IN ULONG Polarity,
IN BOOLEAN ParityEnable
);
// Define I/O request message formats.
typedef struct _DZPORT_ACCEPT {
PVOID PortContext;
PDZPORT_ENABLE_LINE EnableLine;
PDZPORT_DISABLE_LINE DisableLine;
PDZPORT_ENABLE_TRANSMIT EnableTransmit;
PDZPORT_OUTPUT_BYTE OutputByte;
PDZPORT_SET_LINE_PARAMETERS SetLineParameters;
PKINTERRUPT Interrupt;
} DZPORT_ACCEPT, *PDZPORT_ACCEPT;
typedef struct _DZPORT_CONNECT {
PVOID ClientContext;
PDZPORT_INPUT_SERVICE InputService;
PDZPORT_OUTPUT_SERVICE OutputService;
ULONG LineNumber;
ULONG BaudRate;
ULONG CharacterLength;
ULONG StopBits;
ULONG Polarity;
BOOLEAN ParityEnable;
} DZPORT_CONNECT, *PDZPORT_CONNECT;
typedef struct _DZPORT_DISCONNECT {
ULONG LineNumber;
} DZPORT_DISCONNECT, *PDZPORT_DISCONNECT;
#endif // _DZPORT