private unsafe bool SendScsiCmd32(byte cmd, byte op, byte lun, byte dirIn, int bank, int lba, int bytes, byte[] data)
{
SCSI_PASS_THROUGH_WITH_BUFFERS32 sptB = new SCSI_PASS_THROUGH_WITH_BUFFERS32();
int len = Marshal.SizeOf(sptB) + bytes; // total size of buffer
byte[] buffer = new byte[len];
fixed (byte* buf = buffer)
{
SCSI_PASS_THROUGH_WITH_BUFFERS32* sptBuf = (SCSI_PASS_THROUGH_WITH_BUFFERS32*)buf;
SCSI_PASS_THROUGH32* spt = (SCSI_PASS_THROUGH32*)buf;
CDB10* cdb = (CDB10*)&(spt->Cdb);
bool bRetVal;
sptBuf->totalSize = (uint)len;
spt->Length = (ushort)Marshal.SizeOf(*spt);
spt->Lun = lun;
spt->CdbLength = 10;
spt->SenseInfoLength = 18;
spt->DataIn = dirIn;
spt->DataTransferLength = (uint)bytes;
spt->TimeOutValue = _TimeOut;
spt->SenseInfoOffset = (uint)Marshal.SizeOf(*spt) + 4;
spt->DataBufferOffset = (uint)Marshal.SizeOf(sptB);
cdb->Cmd = cmd;
cdb->OpCode = op;
cdb->LBA = (uint)lba;
cdb->Bank = (byte)bank;
Util.ReverseBytes((byte*)&(cdb->LBA), 4);
cdb->Blocks = (ushort)(bytes / _BlockSize);
Util.ReverseBytes((byte*)&(cdb->Blocks), 2);
if ((dirIn == 0) && (data != null))
Marshal.Copy(data, 0, (IntPtr)(buf + Marshal.SizeOf(sptB)), bytes);
int[] BytesXfered = new int[1];
BytesXfered[0] = 0;
fixed (byte* lpInBuffer = buffer)
{
fixed (byte* lpOutBuffer = buffer)
{
fixed (int* lpBytesXferred = BytesXfered)
{
bRetVal = PInvoke.DeviceIoControl(_hDevice, CyConst.IOCTL_SCSI_PASS_THROUGH,
(IntPtr)lpInBuffer, len, (IntPtr)lpOutBuffer, len, (IntPtr)lpBytesXferred, (IntPtr)null);
}
}
}
int error = Marshal.GetLastWin32Error();
if (dirIn == 1)
Marshal.Copy((IntPtr)(buf + Marshal.SizeOf(sptB)), data, 0, bytes);
return bRetVal;
}
}
private unsafe bool SendScsiCmd32(byte cmd, byte op, byte lun, byte dirIn, int bank, int lba, int bytes, byte[] data)
{
SCSI_PASS_THROUGH_WITH_BUFFERS32 sptB = new SCSI_PASS_THROUGH_WITH_BUFFERS32();
int len = Marshal.SizeOf(sptB) + bytes; // total size of buffer
byte[] buffer = new byte[len];
fixed(byte *buf = buffer)
{
SCSI_PASS_THROUGH_WITH_BUFFERS32 *sptBuf = (SCSI_PASS_THROUGH_WITH_BUFFERS32 *)buf;
SCSI_PASS_THROUGH32 *spt = (SCSI_PASS_THROUGH32 *)buf;
CDB10 *cdb = (CDB10 *)&(spt->Cdb);
bool bRetVal;
sptBuf->totalSize = (uint)len;
spt->Length = (ushort)Marshal.SizeOf(*spt);
spt->Lun = lun;
spt->CdbLength = 10;
spt->SenseInfoLength = 18;
spt->DataIn = dirIn;
spt->DataTransferLength = (uint)bytes;
spt->TimeOutValue = _TimeOut;
spt->SenseInfoOffset = (uint)Marshal.SizeOf(*spt) + 4;
spt->DataBufferOffset = (uint)Marshal.SizeOf(sptB);
cdb->Cmd = cmd;
cdb->OpCode = op;
cdb->LBA = (uint)lba;
cdb->Bank = (byte)bank;
Util.ReverseBytes((byte *)&(cdb->LBA), 4);
cdb->Blocks = (ushort)(bytes / _BlockSize);
Util.ReverseBytes((byte *)&(cdb->Blocks), 2);
if ((dirIn == 0) && (data != null))
{
Marshal.Copy(data, 0, (IntPtr)(buf + Marshal.SizeOf(sptB)), bytes);
}
int[] BytesXfered = new int[1];
BytesXfered[0] = 0;
fixed(byte *lpInBuffer = buffer)
{
fixed(byte *lpOutBuffer = buffer)
{
fixed(int *lpBytesXferred = BytesXfered)
{
bRetVal = PInvoke.DeviceIoControl(_hDevice, CyConst.IOCTL_SCSI_PASS_THROUGH,
(IntPtr)lpInBuffer, len, (IntPtr)lpOutBuffer, len, (IntPtr)lpBytesXferred, (IntPtr)null);
}
}
}
int error = Marshal.GetLastWin32Error();
if (dirIn == 1)
{
Marshal.Copy((IntPtr)(buf + Marshal.SizeOf(sptB)), data, 0, bytes);
}
return(bRetVal);
}
}