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Code cleanup.

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This commit is contained in:
Natalia Portillo
2018-06-22 08:08:38 +01:00
parent 82f474c7e3
commit 88da8fc019
581 changed files with 22423 additions and 20839 deletions
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275
DiscImageChef.Devices/FreeBSD/Command.cs
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@@ -60,12 +60,13 @@ namespace DiscImageChef.Devices.FreeBSD
/// <c>True</c> if SCSI error returned non-OK status and <paramref name="senseBuffer" /> contains SCSI
/// sense
/// </param>
internal static int SendScsiCommand64(IntPtr dev, byte[] cdb, ref byte[] buffer, out byte[] senseBuffer,
uint timeout, CcbFlags direction, out double duration, out bool sense)
internal static int SendScsiCommand64(IntPtr dev, byte[] cdb, ref byte[] buffer,
out byte[] senseBuffer,
uint timeout, CcbFlags direction, out double duration, out bool sense)
{
senseBuffer = null;
duration = 0;
sense = false;
duration = 0;
sense = false;
if(buffer == null) return -1;
@@ -79,19 +80,19 @@ namespace DiscImageChef.Devices.FreeBSD
}
CcbScsiio64 csio = (CcbScsiio64)Marshal.PtrToStructure(ccbPtr, typeof(CcbScsiio64));
csio.ccb_h.func_code = XptOpcode.XptScsiIo;
csio.ccb_h.flags = direction;
csio.ccb_h.xflags = 0;
csio.ccb_h.func_code = XptOpcode.XptScsiIo;
csio.ccb_h.flags = direction;
csio.ccb_h.xflags = 0;
csio.ccb_h.retry_count = 1;
csio.ccb_h.cbfcnp = IntPtr.Zero;
csio.ccb_h.timeout = timeout;
csio.data_ptr = Marshal.AllocHGlobal(buffer.Length);
csio.dxfer_len = (uint)buffer.Length;
csio.sense_len = 32;
csio.cdb_len = (byte)cdb.Length;
csio.ccb_h.cbfcnp = IntPtr.Zero;
csio.ccb_h.timeout = timeout;
csio.data_ptr = Marshal.AllocHGlobal(buffer.Length);
csio.dxfer_len = (uint)buffer.Length;
csio.sense_len = 32;
csio.cdb_len = (byte)cdb.Length;
// TODO: Create enum?
csio.tag_action = 0x20;
csio.cdb_bytes = new byte[CAM_MAX_CDBLEN];
csio.cdb_bytes = new byte[CAM_MAX_CDBLEN];
if(cdb.Length <= CAM_MAX_CDBLEN) Array.Copy(cdb, 0, csio.cdb_bytes, 0, cdb.Length);
else
{
@@ -100,14 +101,15 @@ namespace DiscImageChef.Devices.FreeBSD
Array.Copy(cdbPtrBytes, 0, csio.cdb_bytes, 0, IntPtr.Size);
csio.ccb_h.flags |= CcbFlags.CamCdbPointer;
}
csio.ccb_h.flags |= CcbFlags.CamDevQfrzdis;
Marshal.Copy(buffer, 0, csio.data_ptr, buffer.Length);
Marshal.StructureToPtr(csio, ccbPtr, false);
DateTime start = DateTime.UtcNow;
int error = cam_send_ccb(dev, ccbPtr);
DateTime end = DateTime.UtcNow;
int error = cam_send_ccb(dev, ccbPtr);
DateTime end = DateTime.UtcNow;
if(error < 0) error = Marshal.GetLastWin32Error();
@@ -123,22 +125,22 @@ namespace DiscImageChef.Devices.FreeBSD
if((csio.ccb_h.status & CamStatus.CamStatusMask) == CamStatus.CamScsiStatusError)
{
sense = true;
senseBuffer = new byte[1];
sense = true;
senseBuffer = new byte[1];
senseBuffer[0] = csio.scsi_status;
}
if((csio.ccb_h.status & CamStatus.CamAutosnsValid) != 0)
if(csio.sense_len - csio.sense_resid > 0)
{
sense = (csio.ccb_h.status & CamStatus.CamStatusMask) == CamStatus.CamScsiStatusError;
senseBuffer = new byte[csio.sense_len - csio.sense_resid];
sense = (csio.ccb_h.status & CamStatus.CamStatusMask) == CamStatus.CamScsiStatusError;
senseBuffer = new byte[csio.sense_len - csio.sense_resid];
senseBuffer[0] = csio.sense_data.error_code;
Array.Copy(csio.sense_data.sense_buf, 0, senseBuffer, 1, senseBuffer.Length - 1);
}
buffer = new byte[csio.dxfer_len];
cdb = new byte[csio.cdb_len];
cdb = new byte[csio.cdb_len];
Marshal.Copy(csio.data_ptr, buffer, 0, buffer.Length);
if(csio.ccb_h.flags.HasFlag(CcbFlags.CamCdbPointer))
@@ -168,12 +170,13 @@ namespace DiscImageChef.Devices.FreeBSD
/// <c>True</c> if SCSI error returned non-OK status and <paramref name="senseBuffer" /> contains SCSI
/// sense
/// </param>
internal static int SendScsiCommand(IntPtr dev, byte[] cdb, ref byte[] buffer, out byte[] senseBuffer,
uint timeout, CcbFlags direction, out double duration, out bool sense)
internal static int SendScsiCommand(IntPtr dev, byte[] cdb, ref byte[] buffer,
out byte[] senseBuffer,
uint timeout, CcbFlags direction, out double duration, out bool sense)
{
senseBuffer = null;
duration = 0;
sense = false;
duration = 0;
sense = false;
if(buffer == null) return -1;
@@ -187,19 +190,19 @@ namespace DiscImageChef.Devices.FreeBSD
}
CcbScsiio csio = (CcbScsiio)Marshal.PtrToStructure(ccbPtr, typeof(CcbScsiio));
csio.ccb_h.func_code = XptOpcode.XptScsiIo;
csio.ccb_h.flags = direction;
csio.ccb_h.xflags = 0;
csio.ccb_h.func_code = XptOpcode.XptScsiIo;
csio.ccb_h.flags = direction;
csio.ccb_h.xflags = 0;
csio.ccb_h.retry_count = 1;
csio.ccb_h.cbfcnp = IntPtr.Zero;
csio.ccb_h.timeout = timeout;
csio.data_ptr = Marshal.AllocHGlobal(buffer.Length);
csio.dxfer_len = (uint)buffer.Length;
csio.sense_len = 32;
csio.cdb_len = (byte)cdb.Length;
csio.ccb_h.cbfcnp = IntPtr.Zero;
csio.ccb_h.timeout = timeout;
csio.data_ptr = Marshal.AllocHGlobal(buffer.Length);
csio.dxfer_len = (uint)buffer.Length;
csio.sense_len = 32;
csio.cdb_len = (byte)cdb.Length;
// TODO: Create enum?
csio.tag_action = 0x20;
csio.cdb_bytes = new byte[CAM_MAX_CDBLEN];
csio.cdb_bytes = new byte[CAM_MAX_CDBLEN];
if(cdb.Length <= CAM_MAX_CDBLEN) Array.Copy(cdb, 0, csio.cdb_bytes, 0, cdb.Length);
else
{
@@ -208,14 +211,15 @@ namespace DiscImageChef.Devices.FreeBSD
Array.Copy(cdbPtrBytes, 0, csio.cdb_bytes, 0, IntPtr.Size);
csio.ccb_h.flags |= CcbFlags.CamCdbPointer;
}
csio.ccb_h.flags |= CcbFlags.CamDevQfrzdis;
Marshal.Copy(buffer, 0, csio.data_ptr, buffer.Length);
Marshal.StructureToPtr(csio, ccbPtr, false);
DateTime start = DateTime.UtcNow;
int error = cam_send_ccb(dev, ccbPtr);
DateTime end = DateTime.UtcNow;
int error = cam_send_ccb(dev, ccbPtr);
DateTime end = DateTime.UtcNow;
if(error < 0) error = Marshal.GetLastWin32Error();
@@ -231,22 +235,22 @@ namespace DiscImageChef.Devices.FreeBSD
if((csio.ccb_h.status & CamStatus.CamStatusMask) == CamStatus.CamScsiStatusError)
{
sense = true;
senseBuffer = new byte[1];
sense = true;
senseBuffer = new byte[1];
senseBuffer[0] = csio.scsi_status;
}
if((csio.ccb_h.status & CamStatus.CamAutosnsValid) != 0)
if(csio.sense_len - csio.sense_resid > 0)
{
sense = (csio.ccb_h.status & CamStatus.CamStatusMask) == CamStatus.CamScsiStatusError;
senseBuffer = new byte[csio.sense_len - csio.sense_resid];
sense = (csio.ccb_h.status & CamStatus.CamStatusMask) == CamStatus.CamScsiStatusError;
senseBuffer = new byte[csio.sense_len - csio.sense_resid];
senseBuffer[0] = csio.sense_data.error_code;
Array.Copy(csio.sense_data.sense_buf, 0, senseBuffer, 1, senseBuffer.Length - 1);
}
buffer = new byte[csio.dxfer_len];
cdb = new byte[csio.cdb_len];
cdb = new byte[csio.cdb_len];
Marshal.Copy(csio.data_ptr, buffer, 0, buffer.Length);
if(csio.ccb_h.flags.HasFlag(CcbFlags.CamCdbPointer))
@@ -296,12 +300,13 @@ namespace DiscImageChef.Devices.FreeBSD
/// <param name="registers">Registers to send to drive</param>
/// <param name="errorRegisters">Registers returned by drive</param>
/// <param name="protocol">ATA protocol to use</param>
internal static int SendAtaCommand(IntPtr dev, AtaRegistersChs registers,
out AtaErrorRegistersChs errorRegisters, AtaProtocol protocol,
ref byte[] buffer, uint timeout, out double duration, out bool sense)
internal static int SendAtaCommand(IntPtr dev, AtaRegistersChs registers,
out AtaErrorRegistersChs errorRegisters, AtaProtocol protocol,
ref byte[] buffer, uint timeout,
out double duration, out bool sense)
{
duration = 0;
sense = false;
duration = 0;
sense = false;
errorRegisters = new AtaErrorRegistersChs();
if(buffer == null) return -1;
@@ -309,16 +314,16 @@ namespace DiscImageChef.Devices.FreeBSD
IntPtr ccbPtr = cam_getccb(dev);
CcbAtaio ataio = (CcbAtaio)Marshal.PtrToStructure(ccbPtr, typeof(CcbAtaio));
ataio.ccb_h.func_code = XptOpcode.XptAtaIo;
ataio.ccb_h.flags = AtaProtocolToCamFlags(protocol);
ataio.ccb_h.xflags = 0;
ataio.ccb_h.retry_count = 1;
ataio.ccb_h.cbfcnp = IntPtr.Zero;
ataio.ccb_h.timeout = timeout;
ataio.data_ptr = Marshal.AllocHGlobal(buffer.Length);
ataio.dxfer_len = (uint)buffer.Length;
ataio.ccb_h.flags |= CcbFlags.CamDevQfrzdis;
ataio.cmd.flags = CamAtaIoFlags.NeedResult;
ataio.ccb_h.func_code = XptOpcode.XptAtaIo;
ataio.ccb_h.flags = AtaProtocolToCamFlags(protocol);
ataio.ccb_h.xflags = 0;
ataio.ccb_h.retry_count = 1;
ataio.ccb_h.cbfcnp = IntPtr.Zero;
ataio.ccb_h.timeout = timeout;
ataio.data_ptr = Marshal.AllocHGlobal(buffer.Length);
ataio.dxfer_len = (uint)buffer.Length;
ataio.ccb_h.flags |= CcbFlags.CamDevQfrzdis;
ataio.cmd.flags = CamAtaIoFlags.NeedResult;
switch(protocol)
{
case AtaProtocol.Dma:
@@ -332,20 +337,20 @@ namespace DiscImageChef.Devices.FreeBSD
break;
}
ataio.cmd.command = registers.Command;
ataio.cmd.lba_high = registers.CylinderHigh;
ataio.cmd.lba_mid = registers.CylinderLow;
ataio.cmd.device = (byte)(0x40 | registers.DeviceHead);
ataio.cmd.features = registers.Feature;
ataio.cmd.command = registers.Command;
ataio.cmd.lba_high = registers.CylinderHigh;
ataio.cmd.lba_mid = registers.CylinderLow;
ataio.cmd.device = (byte)(0x40 | registers.DeviceHead);
ataio.cmd.features = registers.Feature;
ataio.cmd.sector_count = registers.SectorCount;
ataio.cmd.lba_low = registers.Sector;
ataio.cmd.lba_low = registers.Sector;
Marshal.Copy(buffer, 0, ataio.data_ptr, buffer.Length);
Marshal.StructureToPtr(ataio, ccbPtr, false);
DateTime start = DateTime.UtcNow;
int error = cam_send_ccb(dev, ccbPtr);
DateTime end = DateTime.UtcNow;
int error = cam_send_ccb(dev, ccbPtr);
DateTime end = DateTime.UtcNow;
if(error < 0) error = Marshal.GetLastWin32Error();
@@ -362,12 +367,12 @@ namespace DiscImageChef.Devices.FreeBSD
if((ataio.ccb_h.status & CamStatus.CamStatusMask) == CamStatus.CamAtaStatusError) sense = true;
errorRegisters.CylinderHigh = ataio.res.lba_high;
errorRegisters.CylinderLow = ataio.res.lba_mid;
errorRegisters.DeviceHead = ataio.res.device;
errorRegisters.Error = ataio.res.error;
errorRegisters.Sector = ataio.res.lba_low;
errorRegisters.SectorCount = ataio.res.sector_count;
errorRegisters.Status = ataio.res.status;
errorRegisters.CylinderLow = ataio.res.lba_mid;
errorRegisters.DeviceHead = ataio.res.device;
errorRegisters.Error = ataio.res.error;
errorRegisters.Sector = ataio.res.lba_low;
errorRegisters.SectorCount = ataio.res.sector_count;
errorRegisters.Status = ataio.res.status;
buffer = new byte[ataio.dxfer_len];
@@ -394,12 +399,13 @@ namespace DiscImageChef.Devices.FreeBSD
/// <param name="registers">Registers to send to drive</param>
/// <param name="errorRegisters">Registers returned by drive</param>
/// <param name="protocol">ATA protocol to use</param>
internal static int SendAtaCommand(IntPtr dev, AtaRegistersLba28 registers,
out AtaErrorRegistersLba28 errorRegisters, AtaProtocol protocol,
ref byte[] buffer, uint timeout, out double duration, out bool sense)
internal static int SendAtaCommand(IntPtr dev, AtaRegistersLba28 registers,
out AtaErrorRegistersLba28 errorRegisters, AtaProtocol protocol,
ref byte[] buffer, uint timeout,
out double duration, out bool sense)
{
duration = 0;
sense = false;
duration = 0;
sense = false;
errorRegisters = new AtaErrorRegistersLba28();
if(buffer == null) return -1;
@@ -407,16 +413,16 @@ namespace DiscImageChef.Devices.FreeBSD
IntPtr ccbPtr = cam_getccb(dev);
CcbAtaio ataio = (CcbAtaio)Marshal.PtrToStructure(ccbPtr, typeof(CcbAtaio));
ataio.ccb_h.func_code = XptOpcode.XptAtaIo;
ataio.ccb_h.flags = AtaProtocolToCamFlags(protocol);
ataio.ccb_h.xflags = 0;
ataio.ccb_h.retry_count = 1;
ataio.ccb_h.cbfcnp = IntPtr.Zero;
ataio.ccb_h.timeout = timeout;
ataio.data_ptr = Marshal.AllocHGlobal(buffer.Length);
ataio.dxfer_len = (uint)buffer.Length;
ataio.ccb_h.flags |= CcbFlags.CamDevQfrzdis;
ataio.cmd.flags = CamAtaIoFlags.NeedResult;
ataio.ccb_h.func_code = XptOpcode.XptAtaIo;
ataio.ccb_h.flags = AtaProtocolToCamFlags(protocol);
ataio.ccb_h.xflags = 0;
ataio.ccb_h.retry_count = 1;
ataio.ccb_h.cbfcnp = IntPtr.Zero;
ataio.ccb_h.timeout = timeout;
ataio.data_ptr = Marshal.AllocHGlobal(buffer.Length);
ataio.dxfer_len = (uint)buffer.Length;
ataio.ccb_h.flags |= CcbFlags.CamDevQfrzdis;
ataio.cmd.flags = CamAtaIoFlags.NeedResult;
switch(protocol)
{
case AtaProtocol.Dma:
@@ -430,20 +436,20 @@ namespace DiscImageChef.Devices.FreeBSD
break;
}
ataio.cmd.command = registers.Command;
ataio.cmd.lba_high = registers.LbaHigh;
ataio.cmd.lba_mid = registers.LbaMid;
ataio.cmd.device = (byte)(0x40 | registers.DeviceHead);
ataio.cmd.features = registers.Feature;
ataio.cmd.command = registers.Command;
ataio.cmd.lba_high = registers.LbaHigh;
ataio.cmd.lba_mid = registers.LbaMid;
ataio.cmd.device = (byte)(0x40 | registers.DeviceHead);
ataio.cmd.features = registers.Feature;
ataio.cmd.sector_count = registers.SectorCount;
ataio.cmd.lba_low = registers.LbaLow;
ataio.cmd.lba_low = registers.LbaLow;
Marshal.Copy(buffer, 0, ataio.data_ptr, buffer.Length);
Marshal.StructureToPtr(ataio, ccbPtr, false);
DateTime start = DateTime.UtcNow;
int error = cam_send_ccb(dev, ccbPtr);
DateTime end = DateTime.UtcNow;
int error = cam_send_ccb(dev, ccbPtr);
DateTime end = DateTime.UtcNow;
if(error < 0) error = Marshal.GetLastWin32Error();
@@ -459,13 +465,13 @@ namespace DiscImageChef.Devices.FreeBSD
if((ataio.ccb_h.status & CamStatus.CamStatusMask) == CamStatus.CamAtaStatusError) sense = true;
errorRegisters.LbaHigh = ataio.res.lba_high;
errorRegisters.LbaMid = ataio.res.lba_mid;
errorRegisters.DeviceHead = ataio.res.device;
errorRegisters.Error = ataio.res.error;
errorRegisters.LbaLow = ataio.res.lba_low;
errorRegisters.LbaHigh = ataio.res.lba_high;
errorRegisters.LbaMid = ataio.res.lba_mid;
errorRegisters.DeviceHead = ataio.res.device;
errorRegisters.Error = ataio.res.error;
errorRegisters.LbaLow = ataio.res.lba_low;
errorRegisters.SectorCount = ataio.res.sector_count;
errorRegisters.Status = ataio.res.status;
errorRegisters.Status = ataio.res.status;
buffer = new byte[ataio.dxfer_len];
@@ -492,12 +498,13 @@ namespace DiscImageChef.Devices.FreeBSD
/// <param name="registers">Registers to send to drive</param>
/// <param name="errorRegisters">Registers returned by drive</param>
/// <param name="protocol">ATA protocol to use</param>
internal static int SendAtaCommand(IntPtr dev, AtaRegistersLba48 registers,
out AtaErrorRegistersLba48 errorRegisters, AtaProtocol protocol,
ref byte[] buffer, uint timeout, out double duration, out bool sense)
internal static int SendAtaCommand(IntPtr dev, AtaRegistersLba48 registers,
out AtaErrorRegistersLba48 errorRegisters, AtaProtocol protocol,
ref byte[] buffer, uint timeout,
out double duration, out bool sense)
{
duration = 0;
sense = false;
duration = 0;
sense = false;
errorRegisters = new AtaErrorRegistersLba48();
// 48-bit ATA CAM commands can crash FreeBSD < 9.2-RELEASE
@@ -509,16 +516,16 @@ namespace DiscImageChef.Devices.FreeBSD
IntPtr ccbPtr = cam_getccb(dev);
CcbAtaio ataio = (CcbAtaio)Marshal.PtrToStructure(ccbPtr, typeof(CcbAtaio));
ataio.ccb_h.func_code = XptOpcode.XptAtaIo;
ataio.ccb_h.flags = AtaProtocolToCamFlags(protocol);
ataio.ccb_h.xflags = 0;
ataio.ccb_h.retry_count = 1;
ataio.ccb_h.cbfcnp = IntPtr.Zero;
ataio.ccb_h.timeout = timeout;
ataio.data_ptr = Marshal.AllocHGlobal(buffer.Length);
ataio.dxfer_len = (uint)buffer.Length;
ataio.ccb_h.flags |= CcbFlags.CamDevQfrzdis;
ataio.cmd.flags = CamAtaIoFlags.NeedResult | CamAtaIoFlags.ExtendedCommand;
ataio.ccb_h.func_code = XptOpcode.XptAtaIo;
ataio.ccb_h.flags = AtaProtocolToCamFlags(protocol);
ataio.ccb_h.xflags = 0;
ataio.ccb_h.retry_count = 1;
ataio.ccb_h.cbfcnp = IntPtr.Zero;
ataio.ccb_h.timeout = timeout;
ataio.data_ptr = Marshal.AllocHGlobal(buffer.Length);
ataio.dxfer_len = (uint)buffer.Length;
ataio.ccb_h.flags |= CcbFlags.CamDevQfrzdis;
ataio.cmd.flags = CamAtaIoFlags.NeedResult | CamAtaIoFlags.ExtendedCommand;
switch(protocol)
{
case AtaProtocol.Dma:
@@ -532,25 +539,25 @@ namespace DiscImageChef.Devices.FreeBSD
break;
}
ataio.cmd.lba_high_exp = (byte)((registers.LbaHigh & 0xFF00) >> 8);
ataio.cmd.lba_mid_exp = (byte)((registers.LbaMid & 0xFF00) >> 8);
ataio.cmd.features_exp = (byte)((registers.Feature & 0xFF00) >> 8);
ataio.cmd.lba_high_exp = (byte)((registers.LbaHigh & 0xFF00) >> 8);
ataio.cmd.lba_mid_exp = (byte)((registers.LbaMid & 0xFF00) >> 8);
ataio.cmd.features_exp = (byte)((registers.Feature & 0xFF00) >> 8);
ataio.cmd.sector_count_exp = (byte)((registers.SectorCount & 0xFF00) >> 8);
ataio.cmd.lba_low_exp = (byte)((registers.LbaLow & 0xFF00) >> 8);
ataio.cmd.lba_high = (byte)(registers.LbaHigh & 0xFF);
ataio.cmd.lba_mid = (byte)(registers.LbaMid & 0xFF);
ataio.cmd.features = (byte)(registers.Feature & 0xFF);
ataio.cmd.sector_count = (byte)(registers.SectorCount & 0xFF);
ataio.cmd.lba_low = (byte)(registers.LbaLow & 0xFF);
ataio.cmd.command = registers.Command;
ataio.cmd.device = (byte)(0x40 | registers.DeviceHead);
ataio.cmd.lba_low_exp = (byte)((registers.LbaLow & 0xFF00) >> 8);
ataio.cmd.lba_high = (byte)(registers.LbaHigh & 0xFF);
ataio.cmd.lba_mid = (byte)(registers.LbaMid & 0xFF);
ataio.cmd.features = (byte)(registers.Feature & 0xFF);
ataio.cmd.sector_count = (byte)(registers.SectorCount & 0xFF);
ataio.cmd.lba_low = (byte)(registers.LbaLow & 0xFF);
ataio.cmd.command = registers.Command;
ataio.cmd.device = (byte)(0x40 | registers.DeviceHead);
Marshal.Copy(buffer, 0, ataio.data_ptr, buffer.Length);
Marshal.StructureToPtr(ataio, ccbPtr, false);
DateTime start = DateTime.UtcNow;
int error = cam_send_ccb(dev, ccbPtr);
DateTime end = DateTime.UtcNow;
int error = cam_send_ccb(dev, ccbPtr);
DateTime end = DateTime.UtcNow;
if(error < 0) error = Marshal.GetLastWin32Error();
@@ -567,12 +574,12 @@ namespace DiscImageChef.Devices.FreeBSD
if((ataio.ccb_h.status & CamStatus.CamStatusMask) == CamStatus.CamAtaStatusError) sense = true;
errorRegisters.SectorCount = (ushort)((ataio.res.sector_count_exp << 8) + ataio.res.sector_count);
errorRegisters.LbaLow = (ushort)((ataio.res.lba_low_exp << 8) + ataio.res.lba_low);
errorRegisters.LbaMid = (ushort)((ataio.res.lba_mid_exp << 8) + ataio.res.lba_mid);
errorRegisters.LbaHigh = (ushort)((ataio.res.lba_high_exp << 8) + ataio.res.lba_high);
errorRegisters.DeviceHead = ataio.res.device;
errorRegisters.Error = ataio.res.error;
errorRegisters.Status = ataio.res.status;
errorRegisters.LbaLow = (ushort)((ataio.res.lba_low_exp << 8) + ataio.res.lba_low);
errorRegisters.LbaMid = (ushort)((ataio.res.lba_mid_exp << 8) + ataio.res.lba_mid);
errorRegisters.LbaHigh = (ushort)((ataio.res.lba_high_exp << 8) + ataio.res.lba_high);
errorRegisters.DeviceHead = ataio.res.device;
errorRegisters.Error = ataio.res.error;
errorRegisters.Status = ataio.res.status;
buffer = new byte[ataio.dxfer_len];