mingw/include/ddk/mcd.h

   1 /*
   2  * mcd.h
   3  *
   4  * Media changer driver interface
   5  *
   6  * This file is part of the w32api package.
   7  *
   8  * Contributors:
   9  *   Created by Casper S. Hornstrup <chorns@users.sourceforge.net>
  10  *
  11  * THIS SOFTWARE IS NOT COPYRIGHTED
  12  *
  13  * This source code is offered for use in the public domain. You may
  14  * use, modify or distribute it freely.
  15  *
  16  * This code is distributed in the hope that it will be useful but
  17  * WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY
  18  * DISCLAIMED. This includes but is not limited to warranties of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  20  *
  21  */
  22
  23 #ifndef __MCD_H
  24 #define __MCD_H
  25
  26 #if __GNUC__ >=3
  27 #pragma GCC system_header
  28 #endif
  29
  30 #ifdef __cplusplus
  31 extern "C" {
  32 #endif
  33
  34 #include "ntddk.h"
  35 #include "srb.h"
  36 #include "scsi.h"
  37 #include "ntddchgr.h"
  38
  39 #if defined(_MCD_)
  40   #define CHANGERAPI DECLSPEC_EXPORT
  41 #else
  42   #define CHANGERAPI DECLSPEC_IMPORT
  43 #endif
  44
  45 #ifdef DebugPrint
  46 #undef DebugPrint
  47 #endif
  48
  49 #ifdef DBG
  50 #define DebugPrint(x) ChangerClassDebugPrint x
  51 #else
  52 #define DebugPrint(x)
  53 #endif
  54
  55 #define MAXIMUM_CHANGER_INQUIRY_DATA                    252
  56
  57 CHANGERAPI
  58 PVOID
  59 DDKAPI
  60 ChangerClassAllocatePool(
  61   /*IN*/ POOL_TYPE  PoolType,
  62   /*IN*/ ULONG  NumberOfBytes);
  63
  64 VOID
  65 ChangerClassDebugPrint(
  66   ULONG  DebugPrintLevel,
  67   PCCHAR  DebugMessage,
  68   ...);
  69
  70 CHANGERAPI
  71 PVOID
  72 DDKAPI
  73 ChangerClassFreePool(
  74   /*IN*/ PVOID  PoolToFree);
  75
  76 CHANGERAPI
  77 NTSTATUS
  78 DDKAPI
  79 ChangerClassSendSrbSynchronous(
  80   /*IN*/ PDEVICE_OBJECT  DeviceObject,
  81   /*IN*/ PSCSI_REQUEST_BLOCK  Srb,
  82   /*IN*/ PVOID  Buffer,
  83   /*IN*/ ULONG  BufferSize,
  84   /*IN*/ BOOLEAN  WriteToDevice);
  85
  86
  87 typedef NTSTATUS DDKAPI
  88 (*CHANGER_INITIALIZE)(
  89   /*IN*/ PDEVICE_OBJECT  DeviceObject);
  90
  91 typedef ULONG DDKAPI
  92 (*CHANGER_EXTENSION_SIZE)(
  93   VOID);
  94
  95 typedef VOID DDKAPI
  96 (*CHANGER_ERROR_ROUTINE)(
  97   PDEVICE_OBJECT  DeviceObject,
  98   PSCSI_REQUEST_BLOCK  Srb,
  99   NTSTATUS  *Status,
 100   BOOLEAN  *Retry);
 101
 102 typedef NTSTATUS DDKAPI
 103 (*CHANGER_COMMAND_ROUTINE)(
 104   /*IN*/ PDEVICE_OBJECT  DeviceObject,
 105   /*IN*/ PIRP  Irp);
 106
 107 typedef NTSTATUS DDKAPI
 108 (*CHANGER_PERFORM_DIAGNOSTICS)(
 109   /*IN*/ PDEVICE_OBJECT  DeviceObject,
 110   /*OUT*/ PWMI_CHANGER_PROBLEM_DEVICE_ERROR  ChangerDeviceError);
 111
 112 typedef struct _MCD_INIT_DATA {
 113   ULONG  InitDataSize;
 114   CHANGER_EXTENSION_SIZE  ChangerAdditionalExtensionSize;
 115   CHANGER_INITIALIZE  ChangerInitialize;
 116   CHANGER_ERROR_ROUTINE  ChangerError;
 117   CHANGER_PERFORM_DIAGNOSTICS  ChangerPerformDiagnostics;
 118   CHANGER_COMMAND_ROUTINE  ChangerGetParameters;
 119   CHANGER_COMMAND_ROUTINE  ChangerGetStatus;
 120   CHANGER_COMMAND_ROUTINE  ChangerGetProductData;
 121   CHANGER_COMMAND_ROUTINE  ChangerSetAccess;
 122   CHANGER_COMMAND_ROUTINE  ChangerGetElementStatus;
 123   CHANGER_COMMAND_ROUTINE  ChangerInitializeElementStatus;
 124   CHANGER_COMMAND_ROUTINE  ChangerSetPosition;
 125   CHANGER_COMMAND_ROUTINE  ChangerExchangeMedium;
 126   CHANGER_COMMAND_ROUTINE  ChangerMoveMedium;
 127   CHANGER_COMMAND_ROUTINE  ChangerReinitializeUnit;
 128   CHANGER_COMMAND_ROUTINE  ChangerQueryVolumeTags;
 129 } MCD_INIT_DATA, *PMCD_INIT_DATA;
 130
 131 CHANGERAPI
 132 NTSTATUS
 133 DDKAPI
 134 ChangerClassInitialize(
 135   /*IN*/ PDRIVER_OBJECT  DriverObject,
 136   /*IN*/ PUNICODE_STRING  RegistryPath,
 137   /*IN*/ PMCD_INIT_DATA  MCDInitData);
 138
 139 #ifdef __cplusplus
 140 }
 141 #endif
 142
 143 #endif /* __MCD_H */