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/*
* mcd.h
*
* Media changer driver interface
*
* This file is part of the MinGW package.
*
* Contributors:
* Created by Casper S. Hornstrup <chorns@users.sourceforge.net>
*
* THIS SOFTWARE IS NOT COPYRIGHTED
*
* This source code is offered for use in the public domain. You may
* use, modify or distribute it freely.
*
* This code is distributed in the hope that it will be useful but
* WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY
* DISCLAIMED. This includes but is not limited to warranties of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
*/
#ifndef __MCD_H
#define __MCD_H
#if __GNUC__ >=3
#pragma GCC system_header
#endif
#ifdef __cplusplus
extern "C" {
#endif
#pragma pack(push,4)
#include "ntddk.h"
#include "srb.h"
#include "scsi.h"
#include "ntddchgr.h"
#if defined(_MCD_)
#define CHANGERAPI DECLSPEC_EXPORT
#else
#define CHANGERAPI DECLSPEC_IMPORT
#endif
#ifdef DebugPrint
#undef DebugPrint
#endif
#if DBG
#define DebugPrint(x) ChangerClassDebugPrint x
#else
#define DebugPrint(x)
#endif
#define MAXIMUM_CHANGER_INQUIRY_DATA 252
CHANGERAPI
PVOID
DDKAPI
ChangerClassAllocatePool(
IN POOL_TYPE PoolType,
IN ULONG NumberOfBytes);
VOID
ChangerClassDebugPrint(
ULONG DebugPrintLevel,
PCCHAR DebugMessage,
...);
CHANGERAPI
PVOID
DDKAPI
ChangerClassFreePool(
IN PVOID PoolToFree);
CHANGERAPI
NTSTATUS
DDKAPI
ChangerClassSendSrbSynchronous(
IN PDEVICE_OBJECT DeviceObject,
IN PSCSI_REQUEST_BLOCK Srb,
IN PVOID Buffer,
IN ULONG BufferSize,
IN BOOLEAN WriteToDevice);
typedef NTSTATUS DDKAPI
(*CHANGER_INITIALIZE)(
IN PDEVICE_OBJECT DeviceObject);
typedef ULONG DDKAPI
(*CHANGER_EXTENSION_SIZE)(
VOID);
typedef VOID DDKAPI
(*CHANGER_ERROR_ROUTINE)(
PDEVICE_OBJECT DeviceObject,
PSCSI_REQUEST_BLOCK Srb,
NTSTATUS *Status,
BOOLEAN *Retry);
typedef NTSTATUS DDKAPI
(*CHANGER_COMMAND_ROUTINE)(
IN PDEVICE_OBJECT DeviceObject,
IN PIRP Irp);
typedef NTSTATUS DDKAPI
(*CHANGER_PERFORM_DIAGNOSTICS)(
IN PDEVICE_OBJECT DeviceObject,
OUT PWMI_CHANGER_PROBLEM_DEVICE_ERROR ChangerDeviceError);
typedef struct _MCD_INIT_DATA {
ULONG InitDataSize;
CHANGER_EXTENSION_SIZE ChangerAdditionalExtensionSize;
CHANGER_INITIALIZE ChangerInitialize;
CHANGER_ERROR_ROUTINE ChangerError;
CHANGER_PERFORM_DIAGNOSTICS ChangerPerformDiagnostics;
CHANGER_COMMAND_ROUTINE ChangerGetParameters;
CHANGER_COMMAND_ROUTINE ChangerGetStatus;
CHANGER_COMMAND_ROUTINE ChangerGetProductData;
CHANGER_COMMAND_ROUTINE ChangerSetAccess;
CHANGER_COMMAND_ROUTINE ChangerGetElementStatus;
CHANGER_COMMAND_ROUTINE ChangerInitializeElementStatus;
CHANGER_COMMAND_ROUTINE ChangerSetPosition;
CHANGER_COMMAND_ROUTINE ChangerExchangeMedium;
CHANGER_COMMAND_ROUTINE ChangerMoveMedium;
CHANGER_COMMAND_ROUTINE ChangerReinitializeUnit;
CHANGER_COMMAND_ROUTINE ChangerQueryVolumeTags;
} MCD_INIT_DATA, *PMCD_INIT_DATA;
CHANGERAPI
NTSTATUS
DDKAPI
ChangerClassInitialize(
IN PDRIVER_OBJECT DriverObject,
IN PUNICODE_STRING RegistryPath,
IN PMCD_INIT_DATA MCDInitData);
#pragma pack(pop)
#ifdef __cplusplus
}
#endif
#endif /* __MCD_H */
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