windows-server-2003/drivers/serveravailability/ddk/nvram/msnvram.h

/*++

Copyright (c) 1991 - 2002 Microsoft Corporation

Module Name:

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Abstract:

    This header file contains the definitions for the
    virtual NVRAM miniport driver.

@@BEGIN_DDKSPLIT
Author:

    Wesley Witt (wesw) 1-Oct-2001

@@END_DDKSPLIT
Environment:

    Kernel mode only.

Notes:


--*/

extern "C" {
#include <ntddk.h>
#include <stdio.h>
}


#define MINIPORT_DEVICE_TYPE    SA_DEVICE_NVRAM

#include "saport.h"



#define MAX_NVRAM_SIZE          32
#define MAX_NVRAM_SIZE_BYTES    (MAX_NVRAM_SIZE*sizeof(ULONG))


typedef struct _DEVICE_EXTENSION {
    PDEVICE_OBJECT      DeviceObject;
} DEVICE_EXTENSION, *PDEVICE_EXTENSION;


typedef struct _MSNVRAM_WORK_ITEM {
    PDEVICE_EXTENSION   DeviceExtension;
    PIO_WORKITEM        WorkItem;
    ULONG               IoFunction;
    PVOID               DataBuffer;
    ULONG               DataBufferLength;
    LONGLONG            StartingOffset;
} MSNVRAM_WORK_ITEM, *PMSNVRAM_WORK_ITEM;





//
// prototypes
//

extern "C" {

NTSTATUS
DriverEntry(
    IN PDRIVER_OBJECT DriverObject,
    IN PUNICODE_STRING RegistryPath
    );

} // extern "C"