public bool ReadSectors(out byte[] buffer, out AtaErrorRegistersLBA48 statusRegisters, ulong lba, ushort count, uint timeout, out double duration)
{
if (count == 0)
{
buffer = new byte[512 * 65536];
}
else
{
buffer = new byte[512 * count];
}
AtaRegistersLBA48 registers = new AtaRegistersLBA48();
bool sense;
registers.command = (byte)AtaCommands.ReadExt;
registers.sectorCount = count;
registers.lbaHigh = (ushort)((lba & 0xFFFF00000000) / 0x100000000);
registers.lbaMid = (ushort)((lba & 0xFFFF0000) / 0x10000);
registers.lbaLow = (ushort)((lba & 0xFFFF) / 0x1);
lastError = SendAtaCommand(registers, out statusRegisters, AtaProtocol.PioIn, AtaTransferRegister.SectorCount,
ref buffer, timeout, true, out duration, out sense);
error = lastError != 0;
DicConsole.DebugWriteLine("ATA Device", "READ SECTORS EXT took {0} ms.", duration);
return(sense);
}
public bool GetNativeMaxAddressExt(out ulong lba, out AtaErrorRegistersLBA48 statusRegisters, uint timeout, out double duration)
{
lba = 0;
AtaRegistersLBA48 registers = new AtaRegistersLBA48();
bool sense;
byte[] buffer = new byte[0];
registers.command = (byte)AtaCommands.NativeMaxAddress;
registers.feature = 0x0000;
lastError = SendAtaCommand(registers, out statusRegisters, AtaProtocol.NonData, AtaTransferRegister.NoTransfer,
ref buffer, timeout, false, out duration, out sense);
error = lastError != 0;
if ((statusRegisters.status & 0x23) == 0)
{
lba = statusRegisters.lbaHigh;
lba *= 0x100000000;
lba += (ulong)(statusRegisters.lbaMid << 16);
lba += statusRegisters.lbaLow;
}
DicConsole.DebugWriteLine("ATA Device", "GET NATIVE MAX ADDRESS EXT took {0} ms.", duration);
return(sense);
}
public bool ReadLogDma(out byte[] buffer, out AtaErrorRegistersLBA48 statusRegisters, byte logAddress, ushort pageNumber, ushort count, uint timeout, out double duration)
{
buffer = new byte[512 * count];
AtaRegistersLBA48 registers = new AtaRegistersLBA48();
bool sense;
registers.command = (byte)AtaCommands.ReadLogDmaExt;
registers.sectorCount = count;
registers.lbaLow = (ushort)((pageNumber & 0xFF) * 0x100);
registers.lbaLow += logAddress;
registers.lbaHigh = (ushort)((pageNumber & 0xFF00) / 0x100);
lastError = SendAtaCommand(registers, out statusRegisters, AtaProtocol.Dma, AtaTransferRegister.SectorCount,
ref buffer, timeout, true, out duration, out sense);
error = lastError != 0;
DicConsole.DebugWriteLine("ATA Device", "READ LOG DMA EXT took {0} ms.", duration);
return(sense);
}
