/*

 * scsiwmi.h

 *

 * SCSI WMILIB interface.

 *

 * This file is part of the w32api 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 __SCSIWMI_H

#define __SCSIWMI_H

#if __GNUC__ >=3

#pragma GCC system_header

#endif

#ifdef __cplusplus

extern "C" {

#endif

#pragma pack(push,4)

#include "ntddk.h"

#include "srb.h"

typedef struct _SCSIWMI_REQUEST_CONTEXT {

  PVOID  UserContext;

  ULONG  BufferSize;

  PUCHAR  Buffer;

  UCHAR  MinorFunction;

  UCHAR  ReturnStatus;

  ULONG  ReturnSize;

} SCSIWMI_REQUEST_CONTEXT, *PSCSIWMI_REQUEST_CONTEXT;

#ifdef _GUID_DEFINED

# warning _GUID_DEFINED is deprecated, use GUID_DEFINED instead

#endif

#if ! (defined _GUID_DEFINED || defined GUID_DEFINED)

#define GUID_DEFINED

typedef struct _GUID {

    unsigned long  Data1;

    unsigned short Data2;

    unsigned short Data3;

    unsigned char  Data4[ 8 ];

} GUID;

#endif

#ifndef _LPCGUID_DEFINED

#define _LPCGUID_DEFINED

typedef const GUID *LPCGUID;

#endif

typedef struct _SCSIWMIGUIDREGINFO {

  LPCGUID  Guid;

  ULONG  InstanceCount;

  ULONG  Flags;

} SCSIWMIGUIDREGINFO, *PSCSIWMIGUIDREGINFO;

typedef UCHAR DDKAPI

(*PSCSIWMI_QUERY_REGINFO)(

  /*IN*/ PVOID  DeviceContext,

  /*IN*/ PSCSIWMI_REQUEST_CONTEXT  RequestContext,

  /*OUT*/ PWCHAR  *MofResourceName);

typedef BOOLEAN DDKAPI

(*PSCSIWMI_QUERY_DATABLOCK)(

  /*IN*/ PVOID  Context,

  /*IN*/ PSCSIWMI_REQUEST_CONTEXT  DispatchContext,

  /*IN*/ ULONG  GuidIndex,

  /*IN*/ ULONG  InstanceIndex,

  /*IN*/ ULONG  InstanceCount,

  /*IN OUT*/ PULONG  InstanceLengthArray,

  /*IN*/ ULONG  BufferAvail,

  /*OUT*/ PUCHAR  Buffer);

typedef BOOLEAN DDKAPI

(*PSCSIWMI_SET_DATABLOCK)(

  /*IN*/ PVOID  DeviceContext,

  /*IN*/ PSCSIWMI_REQUEST_CONTEXT  RequestContext,

  /*IN*/ ULONG  GuidIndex,

  /*IN*/ ULONG  InstanceIndex,

  /*IN*/ ULONG  BufferSize,

  /*IN*/ PUCHAR  Buffer);

typedef BOOLEAN DDKAPI

(*PSCSIWMI_SET_DATAITEM)(

  /*IN*/ PVOID  DeviceContext,

  /*IN*/ PSCSIWMI_REQUEST_CONTEXT  RequestContext,

  /*IN*/ ULONG  GuidIndex,

  /*IN*/ ULONG  InstanceIndex,

  /*IN*/ ULONG  DataItemId,

  /*IN*/ ULONG  BufferSize,

  /*IN*/ PUCHAR  Buffer);

typedef BOOLEAN DDKAPI

(*PSCSIWMI_EXECUTE_METHOD)(

  /*IN*/ PVOID  DeviceContext,

  /*IN*/ PSCSIWMI_REQUEST_CONTEXT  RequestContext,

  /*IN*/ ULONG  GuidIndex,

  /*IN*/ ULONG  InstanceIndex,

  /*IN*/ ULONG  MethodId,

  /*IN*/ ULONG  InBufferSize,

  /*IN*/ ULONG  OutBufferSize,

  /*IN OUT*/ PUCHAR  Buffer);

typedef enum _SCSIWMI_ENABLE_DISABLE_CONTROL {

	ScsiWmiEventControl,

	ScsiWmiDataBlockControl

} SCSIWMI_ENABLE_DISABLE_CONTROL;

typedef BOOLEAN DDKAPI

(*PSCSIWMI_FUNCTION_CONTROL)(

  /*IN*/ PVOID  DeviceContext,

  /*IN*/ PSCSIWMI_REQUEST_CONTEXT  RequestContext,

  /*IN*/ ULONG  GuidIndex,

  /*IN*/ SCSIWMI_ENABLE_DISABLE_CONTROL  Function,

  /*IN*/ BOOLEAN  Enable);

typedef struct _SCSIWMILIB_CONTEXT {

  ULONG  GuidCount;

  PSCSIWMIGUIDREGINFO  GuidList;

  PSCSIWMI_QUERY_REGINFO  QueryWmiRegInfo;

  PSCSIWMI_QUERY_DATABLOCK  QueryWmiDataBlock;

  PSCSIWMI_SET_DATABLOCK  SetWmiDataBlock;

  PSCSIWMI_SET_DATAITEM  SetWmiDataItem;

  PSCSIWMI_EXECUTE_METHOD  ExecuteWmiMethod;

  PSCSIWMI_FUNCTION_CONTROL  WmiFunctionControl;

} SCSI_WMILIB_CONTEXT, *PSCSI_WMILIB_CONTEXT;

SCSIPORTAPI

BOOLEAN

DDKAPI

ScsiPortWmiDispatchFunction(

  /*IN*/ PSCSI_WMILIB_CONTEXT  WmiLibInfo,

  /*IN*/ UCHAR  MinorFunction,

  /*IN*/ PVOID  DeviceContext,

  /*IN*/ PSCSIWMI_REQUEST_CONTEXT  RequestContext,

  /*IN*/ PVOID  DataPath,

  /*IN*/ ULONG  BufferSize,

  /*IN*/ PVOID  Buffer);

#define ScsiPortWmiFireAdapterEvent(  \

  HwDeviceExtension,                  \

  Guid,                               \

  InstanceIndex,                      \

  EventDataSize,                      \

  EventData)                          \

    ScsiPortWmiFireLogicalUnitEvent(  \

	  HwDeviceExtension,                \

	  0xff,                             \

	  0,                                \

	  0,                                \

	  Guid,                             \

	  InstanceIndex,                    \

	  EventDataSize,                    \

	  EventData)

/*

 * ULONG

 * ScsiPortWmiGetReturnSize(

 *   PSCSIWMI_REQUEST_CONTEXT  RequestContext);

 */

#define ScsiPortWmiGetReturnSize(RequestContext) \

  ((RequestContext)->ReturnSize)

/* UCHAR 

 * ScsiPortWmiGetReturnStatus(

 *   PSCSIWMI_REQUEST_CONTEXT  RequestContext);

 */ 

#define ScsiPortWmiGetReturnStatus(RequestContext) \

  ((RequestContext)->ReturnStatus)

SCSIPORTAPI

VOID

DDKAPI

ScsiPortWmiPostProcess(

  /*IN*/ PSCSIWMI_REQUEST_CONTEXT  RequestContext,

  /*IN*/ UCHAR  SrbStatus,

  /*IN*/ ULONG  BufferUsed);

SCSIPORTAPI

VOID

DDKAPI

ScsiPortWmiFireLogicalUnitEvent(

  /*IN*/ PVOID  HwDeviceExtension,

  /*IN*/ UCHAR  PathId,

  /*IN*/ UCHAR  TargetId,

  /*IN*/ UCHAR  Lun,

  /*IN*/ LPGUID  Guid,

  /*IN*/ ULONG  InstanceIndex,

  /*IN*/ ULONG  EventDataSize,

  /*IN*/ PVOID  EventData);

#pragma pack(pop)

#ifdef __cplusplus

}

#endif

#endif /* __SCSIWMI_H */