testmpd.c

一个最简单的SCSI miniport

#include "inc\miniport.h"
#include "inc\srb.h"
#include "testmpd.h"

void *memset( void *dest, int c, unsigned count );
#pragma intrinsic (memset)

ULONG
DriverEntry(
    IN PVOID Argument1,
    IN PVOID Argument2
    )
{
    HW_INITIALIZATION_DATA hwInitializationData;
    ULONG uStatus;

    memset( &hwInitializationData, 0, sizeof(hwInitializationData) );

    hwInitializationData.HwInitializationDataSize = sizeof(HW_INITIALIZATION_DATA);

    hwInitializationData.HwInitialize = Initialize;
    hwInitializationData.HwResetBus = ResetBus;
    hwInitializationData.HwStartIo = StartIo;
    hwInitializationData.HwFindAdapter = FindAdapter;

    hwInitializationData.NeedPhysicalAddresses = FALSE;
    hwInitializationData.MapBuffers = TRUE;

    hwInitializationData.DeviceExtensionSize = sizeof(St_DeviceExt);
    hwInitializationData.SpecificLuExtensionSize = sizeof(St_LunExt);

    hwInitializationData.NumberOfAccessRanges = 1;	//	Only memory ranage

    hwInitializationData.SrbExtensionSize = 0;

    //hwInitializationData.AdapterInterfaceType = Isa;

    uStatus = ScsiPortInitialize(Argument1, Argument2, &hwInitializationData, NULL);

    return uStatus;
}

ULONG
FindAdapter(
    IN PVOID DeviceExtension,
    IN PVOID Context,
    IN PVOID BusInformation,
    IN PCHAR ArgumentString,
    IN OUT PPORT_CONFIGURATION_INFORMATION ConfigInfo,
    OUT PBOOLEAN Again
    )
{
    *Again = FALSE;
    ConfigInfo->NumberOfBuses = 1;
    ConfigInfo->MaximumTransferLength = 0x8000;
    return SP_RETURN_FOUND;
}

BOOLEAN
Initialize(
    IN PVOID DeviceExtension
    )
{
    St_DeviceExt * pExt = (St_DeviceExt *)DeviceExtension;

    ScsiPortNotification(ResetDetected, DeviceExtension, 0);
    return TRUE;
}

BOOLEAN
ResetBus(
    IN PVOID HwDeviceExtension,
    IN ULONG PathId
    )
{
    return TRUE;
}


BOOLEAN
StartIo(
    IN PVOID DeviceExtension,
    IN PSCSI_REQUEST_BLOCK pSrb
    )
{
    St_DeviceExt * pExt = (St_DeviceExt *)DeviceExtension;

    ScsiPortNotification(RequestComplete,
        DeviceExtension,
        pSrb);

    ScsiPortNotification(NextRequest,
        DeviceExtension,
        NULL);

    return TRUE;
}