| [1166] | 1 | /*
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| 2 | * mcd.h
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| 3 | *
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| 4 | * Media changer driver interface
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| 5 | *
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| 6 | * This file is part of the w32api package.
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| 7 | *
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| 8 | * Contributors:
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| 9 | * Created by Casper S. Hornstrup <chorns@users.sourceforge.net>
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| 10 | *
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| 11 | * THIS SOFTWARE IS NOT COPYRIGHTED
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| 12 | *
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| 13 | * This source code is offered for use in the public domain. You may
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| 14 | * use, modify or distribute it freely.
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| 15 | *
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| 16 | * This code is distributed in the hope that it will be useful but
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| 17 | * WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY
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| 18 | * DISCLAIMED. This includes but is not limited to warranties of
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| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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| 20 | *
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| 21 | */
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| 22 |
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| 23 | #ifndef __MCD_H
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| 24 | #define __MCD_H
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| 25 |
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| 26 | #include "srb.h"
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| 27 | #include "scsi.h"
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| 28 | #include "ntddchgr.h"
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| 29 |
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| 30 | #ifdef __cplusplus
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| 31 | extern "C" {
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| 32 | #endif
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| 33 |
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| 34 | #if defined(_MCD_)
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| 35 | #define CHANGERAPI
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| 36 | #else
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| 37 | #define CHANGERAPI DECLSPEC_IMPORT
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| 38 | #endif
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| 39 |
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| 40 | #ifdef DebugPrint
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| 41 | #undef DebugPrint
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| 42 | #endif
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| 43 |
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| 44 | #if DBG
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| 45 | #define DebugPrint(x) ChangerClassDebugPrint x
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| 46 | #else
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| 47 | #define DebugPrint(x)
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| 48 | #endif
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| 49 |
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| 50 | #define MAXIMUM_CHANGER_INQUIRY_DATA 252
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| 51 |
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| 52 | CHANGERAPI
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| 53 | PVOID
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| 54 | NTAPI
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| 55 | ChangerClassAllocatePool(
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| 56 | IN POOL_TYPE PoolType,
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| 57 | IN ULONG NumberOfBytes);
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| 58 |
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| 59 | VOID
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| 60 | ChangerClassDebugPrint(
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| 61 | ULONG DebugPrintLevel,
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| 62 | PCCHAR DebugMessage,
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| 63 | ...);
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| 64 |
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| 65 | CHANGERAPI
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| 66 | PVOID
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| 67 | NTAPI
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| 68 | ChangerClassFreePool(
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| 69 | IN PVOID PoolToFree);
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| 70 |
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| 71 | CHANGERAPI
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| 72 | NTSTATUS
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| 73 | NTAPI
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| 74 | ChangerClassSendSrbSynchronous(
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| 75 | IN PDEVICE_OBJECT DeviceObject,
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| 76 | IN PSCSI_REQUEST_BLOCK Srb,
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| 77 | IN PVOID Buffer,
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| 78 | IN ULONG BufferSize,
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| 79 | IN BOOLEAN WriteToDevice);
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| 80 |
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| 81 |
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| 82 | typedef NTSTATUS NTAPI
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| 83 | (*CHANGER_INITIALIZE)(
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| 84 | IN PDEVICE_OBJECT DeviceObject);
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| 85 |
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| 86 | typedef ULONG NTAPI
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| 87 | (*CHANGER_EXTENSION_SIZE)(
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| 88 | VOID);
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| 89 |
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| 90 | typedef VOID NTAPI
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| 91 | (*CHANGER_ERROR_ROUTINE)(
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| 92 | PDEVICE_OBJECT DeviceObject,
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| 93 | PSCSI_REQUEST_BLOCK Srb,
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| 94 | NTSTATUS *Status,
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| 95 | BOOLEAN *Retry);
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| 96 |
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| 97 | typedef NTSTATUS NTAPI
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| 98 | (*CHANGER_COMMAND_ROUTINE)(
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| 99 | IN PDEVICE_OBJECT DeviceObject,
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| 100 | IN PIRP Irp);
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| 101 |
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| 102 | typedef NTSTATUS NTAPI
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| 103 | (*CHANGER_PERFORM_DIAGNOSTICS)(
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| 104 | IN PDEVICE_OBJECT DeviceObject,
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| 105 | OUT PWMI_CHANGER_PROBLEM_DEVICE_ERROR ChangerDeviceError);
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| 106 |
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| 107 | typedef struct _MCD_INIT_DATA {
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| 108 | ULONG InitDataSize;
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| 109 | CHANGER_EXTENSION_SIZE ChangerAdditionalExtensionSize;
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| 110 | CHANGER_INITIALIZE ChangerInitialize;
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| 111 | CHANGER_ERROR_ROUTINE ChangerError;
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| 112 | CHANGER_PERFORM_DIAGNOSTICS ChangerPerformDiagnostics;
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| 113 | CHANGER_COMMAND_ROUTINE ChangerGetParameters;
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| 114 | CHANGER_COMMAND_ROUTINE ChangerGetStatus;
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| 115 | CHANGER_COMMAND_ROUTINE ChangerGetProductData;
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| 116 | CHANGER_COMMAND_ROUTINE ChangerSetAccess;
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| 117 | CHANGER_COMMAND_ROUTINE ChangerGetElementStatus;
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| 118 | CHANGER_COMMAND_ROUTINE ChangerInitializeElementStatus;
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| 119 | CHANGER_COMMAND_ROUTINE ChangerSetPosition;
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| 120 | CHANGER_COMMAND_ROUTINE ChangerExchangeMedium;
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| 121 | CHANGER_COMMAND_ROUTINE ChangerMoveMedium;
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| 122 | CHANGER_COMMAND_ROUTINE ChangerReinitializeUnit;
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| 123 | CHANGER_COMMAND_ROUTINE ChangerQueryVolumeTags;
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| 124 | } MCD_INIT_DATA, *PMCD_INIT_DATA;
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| 125 |
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| 126 | CHANGERAPI
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| 127 | NTSTATUS
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| 128 | NTAPI
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| 129 | ChangerClassInitialize(
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| 130 | IN PDRIVER_OBJECT DriverObject,
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| 131 | IN PUNICODE_STRING RegistryPath,
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| 132 | IN PMCD_INIT_DATA MCDInitData);
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| 133 |
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| 134 | #ifdef __cplusplus
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| 135 | }
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| 136 | #endif
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| 137 |
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| 138 | #endif /* __MCD_H */
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