// /*************************************************************************** // Aaru Data Preservation Suite // ---------------------------------------------------------------------------- // // Filename : SPC.cs // Author(s) : Natalia Portillo // // Component : SCSI Primary Commands. // // --[ Description ] ---------------------------------------------------------- // // Contains SCSI commands defined in SPC standards. // // --[ License ] -------------------------------------------------------------- // // This library is free software; you can redistribute it and/or modify // it under the terms of the GNU Lesser General Public License as // published by the Free Software Foundation; either version 2.1 of the // License, or (at your option) any later version. // // This library is distributed in the hope that it will be useful, but // WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU // Lesser General Public License for more details. // // You should have received a copy of the GNU Lesser General Public // License along with this library; if not, see . // // ---------------------------------------------------------------------------- // Copyright © 2011-2025 Natalia Portillo // ****************************************************************************/ using System; using System.Diagnostics.CodeAnalysis; using Aaru.Logging; using PlatformID = Aaru.CommonTypes.Interop.PlatformID; // ReSharper disable UnusedMember.Global namespace Aaru.Devices; [SuppressMessage("ReSharper", "MemberCanBePrivate.Global")] [SuppressMessage("ReSharper", "UnusedMethodReturnValue.Global")] public partial class Device { /// Sends the SPC INQUIRY command to the device using default device timeout. /// true if the command failed and contains the sense buffer. /// Buffer where the SCSI INQUIRY response will be stored /// Sense buffer. public bool ScsiInquiry(out byte[] buffer, out ReadOnlySpan senseBuffer) => ScsiInquiry(out buffer, out senseBuffer, Timeout); /// Sends the SPC INQUIRY command to the device using default device timeout. /// true if the command failed and contains the sense buffer. /// Buffer where the SCSI INQUIRY response will be stored /// Sense buffer. /// Duration in milliseconds it took for the device to execute the command. public bool ScsiInquiry(out byte[] buffer, out ReadOnlySpan senseBuffer, out double duration) => ScsiInquiry(out buffer, out senseBuffer, Timeout, out duration); /// Sends the SPC INQUIRY command to the device. /// true if the command failed and contains the sense buffer. /// Buffer where the SCSI INQUIRY response will be stored /// Sense buffer. /// Timeout in seconds. public bool ScsiInquiry(out byte[] buffer, out ReadOnlySpan senseBuffer, uint timeout) => ScsiInquiry(out buffer, out senseBuffer, timeout, out _); /// Sends the SPC INQUIRY command to the device. /// true if the command failed and contains the sense buffer. /// Buffer where the SCSI INQUIRY response will be stored /// Sense buffer. /// Timeout in seconds. /// Duration in milliseconds it took for the device to execute the command. public bool ScsiInquiry(out byte[] buffer, out ReadOnlySpan senseBuffer, uint timeout, out double duration) { buffer = new byte[36]; senseBuffer = SenseBuffer; Span cdb = CdbBuffer[..6]; cdb.Clear(); cdb[0] = (byte)ScsiCommands.Inquiry; cdb[1] = 0; cdb[2] = 0; cdb[3] = 0; cdb[4] = 36; cdb[5] = 0; LastError = SendScsiCommand(cdb, ref buffer, timeout, ScsiDirection.In, out duration, out bool sense); Error = LastError != 0; if(sense) return true; byte pagesLength = (byte)(buffer[4] + 5); cdb[0] = (byte)ScsiCommands.Inquiry; cdb[1] = 0; cdb[2] = 0; cdb[3] = 0; cdb[4] = pagesLength; cdb[5] = 0; buffer = new byte[pagesLength]; senseBuffer = SenseBuffer; LastError = SendScsiCommand(cdb, ref buffer, timeout, ScsiDirection.In, out duration, out sense); Error = LastError != 0; AaruLogging.Debug(SCSI_MODULE_NAME, Localization.INQUIRY_took_0_ms, duration); return sense; } /// /// Sends the SPC INQUIRY command to the device with an Extended Vital Product Data page using default device /// timeout. /// /// true if the command failed and contains the sense buffer. /// Buffer where the SCSI INQUIRY response will be stored /// Sense buffer. /// The Extended Vital Product Data public bool ScsiInquiry(out byte[] buffer, out ReadOnlySpan senseBuffer, byte page) => ScsiInquiry(out buffer, out senseBuffer, page, Timeout); /// /// Sends the SPC INQUIRY command to the device with an Extended Vital Product Data page using default device /// timeout. /// /// true if the command failed and contains the sense buffer. /// Buffer where the SCSI INQUIRY response will be stored /// Sense buffer. /// Duration in milliseconds it took for the device to execute the command. /// The Extended Vital Product Data public bool ScsiInquiry(out byte[] buffer, out ReadOnlySpan senseBuffer, byte page, out double duration) => ScsiInquiry(out buffer, out senseBuffer, page, Timeout, out duration); /// Sends the SPC INQUIRY command to the device with an Extended Vital Product Data page. /// true if the command failed and contains the sense buffer. /// Buffer where the SCSI INQUIRY response will be stored /// Sense buffer. /// Timeout in seconds. /// The Extended Vital Product Data public bool ScsiInquiry(out byte[] buffer, out ReadOnlySpan senseBuffer, byte page, uint timeout) => ScsiInquiry(out buffer, out senseBuffer, page, timeout, out _); /// Sends the SPC INQUIRY command to the device with an Extended Vital Product Data page. /// true if the command failed and contains the sense buffer. /// Buffer where the SCSI INQUIRY response will be stored /// Sense buffer. /// Timeout in seconds. /// Duration in milliseconds it took for the device to execute the command. /// The Extended Vital Product Data public bool ScsiInquiry(out byte[] buffer, out ReadOnlySpan senseBuffer, byte page, uint timeout, out double duration) { buffer = new byte[36]; senseBuffer = SenseBuffer; Span cdb = CdbBuffer[..6]; cdb[0] = (byte)ScsiCommands.Inquiry; cdb[1] = 1; cdb[2] = page; cdb[3] = 0; cdb[4] = 36; cdb[5] = 0; LastError = SendScsiCommand(cdb, ref buffer, timeout, ScsiDirection.In, out duration, out bool sense); Error = LastError != 0; if(sense) return true; // This is because INQ was returned instead of EVPD if(buffer[1] != page) return true; byte pagesLength = (byte)(buffer[3] + 4); cdb[0] = (byte)ScsiCommands.Inquiry; cdb[1] = 1; cdb[2] = page; cdb[3] = 0; cdb[4] = pagesLength; cdb[5] = 0; buffer = new byte[pagesLength]; senseBuffer = SenseBuffer; LastError = SendScsiCommand(cdb, ref buffer, timeout, ScsiDirection.In, out duration, out sense); Error = LastError != 0; AaruLogging.Debug(SCSI_MODULE_NAME, Localization.INQUIRY_took_0_ms, duration); return sense; } /// Sends the SPC TEST UNIT READY command to the device /// true, if unit is NOT ready, false otherwise. /// Sense buffer. /// Timeout in seconds. /// Duration in milliseconds it took for the device to execute the command. public bool ScsiTestUnitReady(out ReadOnlySpan senseBuffer, uint timeout, out double duration) { senseBuffer = SenseBuffer; Span cdb = CdbBuffer[..6]; cdb.Clear(); cdb[0] = (byte)ScsiCommands.TestUnitReady; byte[] buffer = []; LastError = SendScsiCommand(cdb, ref buffer, timeout, ScsiDirection.None, out duration, out bool sense); Error = LastError != 0; AaruLogging.Debug(SCSI_MODULE_NAME, Localization.TEST_UNIT_READY_took_0_ms, duration); return sense; } /// Sends the SPC MODE SENSE(6) command to the device as introduced in SCSI-1 /// true if the command failed and contains the sense buffer. /// Buffer where the SCSI MODE SENSE(6) response will be stored /// Sense buffer. /// Timeout in seconds. /// Duration in milliseconds it took for the device to execute the command. public bool ModeSense(out byte[] buffer, out ReadOnlySpan senseBuffer, uint timeout, out double duration) => ModeSense6(out buffer, out senseBuffer, false, ScsiModeSensePageControl.Current, 0, 0, timeout, out duration); /// Sends the SPC MODE SENSE(6) command to the device as introduced in SCSI-2 /// true if the command failed and contains the sense buffer. /// Buffer where the SCSI MODE SENSE(6) response will be stored /// Sense buffer. /// Timeout in seconds. /// Duration in milliseconds it took for the device to execute the command. /// If set to true device MUST not return any block descriptor. /// Page control. /// Page code. public bool ModeSense6(out byte[] buffer, out ReadOnlySpan senseBuffer, bool dbd, ScsiModeSensePageControl pageControl, byte pageCode, uint timeout, out double duration) => ModeSense6(out buffer, out senseBuffer, dbd, pageControl, pageCode, 0, timeout, out duration); /// Sends the SPC MODE SENSE(6) command to the device as introduced in SCSI-3 SPC-3 /// true if the command failed and contains the sense buffer. /// Buffer where the SCSI MODE SENSE(6) response will be stored /// Sense buffer. /// Timeout in seconds. /// Duration in milliseconds it took for the device to execute the command. /// If set to true device MUST not return any block descriptor. /// Page control. /// Page code. /// Sub-page code. public bool ModeSense6(out byte[] buffer, out ReadOnlySpan senseBuffer, bool dbd, ScsiModeSensePageControl pageControl, byte pageCode, byte subPageCode, uint timeout, out double duration) { senseBuffer = SenseBuffer; Span cdb = CdbBuffer[..6]; cdb.Clear(); buffer = new byte[254]; cdb[0] = (byte)ScsiCommands.ModeSense; if(dbd) cdb[1] = 0x08; cdb[2] |= (byte)pageControl; cdb[2] |= (byte)(pageCode & 0x3F); cdb[3] = subPageCode; cdb[4] = (byte)buffer.Length; cdb[5] = 0; LastError = SendScsiCommand(cdb, ref buffer, timeout, ScsiDirection.In, out duration, out bool sense); Error = LastError != 0; if(sense) return true; byte modeLength = (byte)(buffer[0] + 1); if(modeLength % 2 != 0) modeLength++; buffer = new byte[modeLength]; cdb[4] = (byte)buffer.Length; senseBuffer = SenseBuffer; LastError = SendScsiCommand(cdb, ref buffer, timeout, ScsiDirection.In, out duration, out sense); Error = LastError != 0; AaruLogging.Debug(SCSI_MODULE_NAME, Localization.MODE_SENSE_6_took_0_ms, duration); return sense; } /// Sends the SPC MODE SENSE(10) command to the device as introduced in SCSI-2 /// true if the command failed and contains the sense buffer. /// Buffer where the SCSI MODE SENSE(10) response will be stored /// Sense buffer. /// Timeout in seconds. /// Duration in milliseconds it took for the device to execute the command. /// If set to true device MUST not return any block descriptor. /// Page control. /// Page code. public bool ModeSense10(out byte[] buffer, out ReadOnlySpan senseBuffer, bool dbd, ScsiModeSensePageControl pageControl, byte pageCode, uint timeout, out double duration) => ModeSense10(out buffer, out senseBuffer, false, dbd, pageControl, pageCode, 0, timeout, out duration); /// Sends the SPC MODE SENSE(10) command to the device as introduced in SCSI-3 SPC-2 /// true if the command failed and contains the sense buffer. /// Buffer where the SCSI MODE SENSE(10) response will be stored /// Sense buffer. /// Timeout in seconds. /// Duration in milliseconds it took for the device to execute the command. /// If set to true device MUST not return any block descriptor. /// Page control. /// Page code. /// If set means 64-bit LBAs are accepted by the caller. public bool ModeSense10(out byte[] buffer, out ReadOnlySpan senseBuffer, bool llbaa, bool dbd, ScsiModeSensePageControl pageControl, byte pageCode, uint timeout, out double duration) => ModeSense10(out buffer, out senseBuffer, llbaa, dbd, pageControl, pageCode, 0, timeout, out duration); /// Sends the SPC MODE SENSE(10) command to the device as introduced in SCSI-3 SPC-3 /// true if the command failed and contains the sense buffer. /// Buffer where the SCSI MODE SENSE(10) response will be stored /// Sense buffer. /// Timeout in seconds. /// Duration in milliseconds it took for the device to execute the command. /// If set to true device MUST not return any block descriptor. /// Page control. /// Page code. /// Sub-page code. /// If set means 64-bit LBAs are accepted by the caller. public bool ModeSense10(out byte[] buffer, out ReadOnlySpan senseBuffer, bool llbaa, bool dbd, ScsiModeSensePageControl pageControl, byte pageCode, byte subPageCode, uint timeout, out double duration) { senseBuffer = SenseBuffer; Span cdb = CdbBuffer[..10]; cdb.Clear(); buffer = new byte[4096]; cdb[0] = (byte)ScsiCommands.ModeSense10; if(llbaa) cdb[1] |= 0x10; if(dbd) cdb[1] |= 0x08; cdb[2] |= (byte)pageControl; cdb[2] |= (byte)(pageCode & 0x3F); cdb[3] = subPageCode; cdb[7] = (byte)((buffer.Length & 0xFF00) >> 8); cdb[8] = (byte)(buffer.Length & 0xFF); cdb[9] = 0; LastError = SendScsiCommand(cdb, ref buffer, timeout, ScsiDirection.In, out duration, out bool sense); Error = LastError != 0; if(sense) return true; ushort modeLength = (ushort)((buffer[0] << 8) + buffer[1] + 2); if(modeLength % 2 != 0) modeLength++; buffer = new byte[modeLength]; cdb[7] = (byte)((buffer.Length & 0xFF00) >> 8); cdb[8] = (byte)(buffer.Length & 0xFF); senseBuffer = SenseBuffer; LastError = SendScsiCommand(cdb, ref buffer, timeout, ScsiDirection.In, out duration, out sense); Error = LastError != 0; AaruLogging.Debug(SCSI_MODULE_NAME, Localization.MODE_SENSE_10_took_0_ms, duration); return sense; } /// Sends the SPC PREVENT ALLOW MEDIUM REMOVAL command to prevent medium removal /// true if the command failed and contains the sense buffer. /// Sense buffer. /// Timeout in seconds. /// Duration in milliseconds it took for the device to execute the command. public bool SpcPreventMediumRemoval(out ReadOnlySpan senseBuffer, uint timeout, out double duration) => SpcPreventAllowMediumRemoval(out senseBuffer, ScsiPreventAllowMode.Prevent, timeout, out duration); /// Sends the SPC PREVENT ALLOW MEDIUM REMOVAL command to allow medium removal /// true if the command failed and contains the sense buffer. /// Sense buffer. /// Timeout in seconds. /// Duration in milliseconds it took for the device to execute the command. public bool SpcAllowMediumRemoval(out ReadOnlySpan senseBuffer, uint timeout, out double duration) => SpcPreventAllowMediumRemoval(out senseBuffer, ScsiPreventAllowMode.Allow, timeout, out duration); /// Sends the SPC PREVENT ALLOW MEDIUM REMOVAL command /// true if the command failed and contains the sense buffer. /// Sense buffer. /// Timeout in seconds. /// Duration in milliseconds it took for the device to execute the command. /// true to prevent medium removal, false to allow it. public bool SpcPreventAllowMediumRemoval(out ReadOnlySpan senseBuffer, bool prevent, uint timeout, out double duration) => prevent ? SpcPreventAllowMediumRemoval(out senseBuffer, ScsiPreventAllowMode.Prevent, timeout, out duration) : SpcPreventAllowMediumRemoval(out senseBuffer, ScsiPreventAllowMode.Allow, timeout, out duration); /// Sends the SPC PREVENT ALLOW MEDIUM REMOVAL command /// true if the command failed and contains the sense buffer. /// Sense buffer. /// Timeout in seconds. /// Duration in milliseconds it took for the device to execute the command. /// Prevention mode. public bool SpcPreventAllowMediumRemoval(out ReadOnlySpan senseBuffer, ScsiPreventAllowMode preventMode, uint timeout, out double duration) { senseBuffer = SenseBuffer; Span cdb = CdbBuffer[..6]; cdb.Clear(); byte[] buffer = []; cdb[0] = (byte)ScsiCommands.PreventAllowMediumRemoval; cdb[4] = (byte)((byte)preventMode & 0x03); LastError = SendScsiCommand(cdb, ref buffer, timeout, ScsiDirection.None, out duration, out bool sense); Error = LastError != 0; AaruLogging.Debug(SCSI_MODULE_NAME, Localization.PREVENT_ALLOW_MEDIUM_REMOVAL_took_0_ms, duration); return sense; } /// Sends the SPC READ CAPACITY command /// true if the command failed and contains the sense buffer. /// Buffer where the SCSI READ CAPACITY response will be stored /// Sense buffer. /// Timeout in seconds. /// Duration in milliseconds it took for the device to execute the command. public bool ReadCapacity(out byte[] buffer, out ReadOnlySpan senseBuffer, uint timeout, out double duration) => ReadCapacity(out buffer, out senseBuffer, false, 0, false, timeout, out duration); /// Sends the SPC READ CAPACITY command /// true if the command failed and contains the sense buffer. /// Buffer where the SCSI READ CAPACITY response will be stored /// Sense buffer. /// Indicates that is relative to current medium position /// Address where information is requested from, only valid if is set /// If set, it is requesting partial media capacity /// Timeout in seconds. /// Duration in milliseconds it took for the device to execute the command. public bool ReadCapacity(out byte[] buffer, out ReadOnlySpan senseBuffer, bool relAddr, uint address, bool pmi, uint timeout, out double duration) { senseBuffer = SenseBuffer; Span cdb = CdbBuffer[..10]; cdb.Clear(); buffer = new byte[8]; cdb[0] = (byte)ScsiCommands.ReadCapacity; if(pmi) { cdb[8] = 0x01; if(relAddr) cdb[1] = 0x01; cdb[2] = (byte)((address & 0xFF000000) >> 24); cdb[3] = (byte)((address & 0xFF0000) >> 16); cdb[4] = (byte)((address & 0xFF00) >> 8); cdb[5] = (byte)(address & 0xFF); } LastError = SendScsiCommand(cdb, ref buffer, timeout, ScsiDirection.In, out duration, out bool sense); Error = LastError != 0; AaruLogging.Debug(SCSI_MODULE_NAME, Localization.READ_CAPACITY_took_0_ms, duration); return sense; } /// Sends the SPC READ CAPACITY(16) command /// true if the command failed and contains the sense buffer. /// Buffer where the SCSI READ CAPACITY(16) response will be stored /// Sense buffer. /// Timeout in seconds. /// Duration in milliseconds it took for the device to execute the command. public bool ReadCapacity16(out byte[] buffer, out ReadOnlySpan senseBuffer, uint timeout, out double duration) => ReadCapacity16(out buffer, out senseBuffer, 0, false, timeout, out duration); /// Sends the SPC READ CAPACITY(16) command /// true if the command failed and contains the sense buffer. /// Buffer where the SCSI READ CAPACITY(16) response will be stored /// Sense buffer. /// Address where information is requested from, only valid if is set /// If set, it is requesting partial media capacity /// Timeout in seconds. /// Duration in milliseconds it took for the device to execute the command. public bool ReadCapacity16(out byte[] buffer, out ReadOnlySpan senseBuffer, ulong address, bool pmi, uint timeout, out double duration) { senseBuffer = SenseBuffer; Span cdb = CdbBuffer[..16]; cdb.Clear(); buffer = new byte[32]; cdb[0] = (byte)ScsiCommands.ServiceActionIn; cdb[1] = (byte)ScsiServiceActions.ReadCapacity16; if(pmi) { cdb[14] = 0x01; byte[] temp = BitConverter.GetBytes(address); cdb[2] = temp[7]; cdb[3] = temp[6]; cdb[4] = temp[5]; cdb[5] = temp[4]; cdb[6] = temp[3]; cdb[7] = temp[2]; cdb[8] = temp[1]; cdb[9] = temp[0]; } cdb[10] = (byte)((buffer.Length & 0xFF000000) >> 24); cdb[11] = (byte)((buffer.Length & 0xFF0000) >> 16); cdb[12] = (byte)((buffer.Length & 0xFF00) >> 8); cdb[13] = (byte)(buffer.Length & 0xFF); LastError = SendScsiCommand(cdb, ref buffer, timeout, ScsiDirection.In, out duration, out bool sense); Error = LastError != 0; AaruLogging.Debug(SCSI_MODULE_NAME, Localization.READ_CAPACITY_16_took_0_ms, duration); return sense; } /// Sends the SPC READ MEDIA SERIAL NUMBER command /// true if the command failed and contains the sense buffer. /// Buffer where the SCSI READ MEDIA SERIAL NUMBER response will be stored /// Sense buffer. /// Timeout in seconds. /// Duration in milliseconds it took for the device to execute the command. public bool ReadMediaSerialNumber(out byte[] buffer, out ReadOnlySpan senseBuffer, uint timeout, out double duration) { senseBuffer = SenseBuffer; Span cdb = CdbBuffer[..12]; cdb.Clear(); buffer = new byte[4]; cdb[0] = (byte)ScsiCommands.ReadSerialNumber; cdb[1] = 0x01; cdb[6] = (byte)((buffer.Length & 0xFF000000) >> 24); cdb[7] = (byte)((buffer.Length & 0xFF0000) >> 16); cdb[8] = (byte)((buffer.Length & 0xFF00) >> 8); cdb[9] = (byte)(buffer.Length & 0xFF); LastError = SendScsiCommand(cdb, ref buffer, timeout, ScsiDirection.In, out duration, out bool sense); Error = LastError != 0; if(sense) return true; uint strctLength = (uint)((buffer[0] << 24) + (buffer[1] << 16) + (buffer[2] << 8) + buffer[3] + 4); buffer = new byte[strctLength]; cdb[6] = (byte)((buffer.Length & 0xFF000000) >> 24); cdb[7] = (byte)((buffer.Length & 0xFF0000) >> 16); cdb[8] = (byte)((buffer.Length & 0xFF00) >> 8); cdb[9] = (byte)(buffer.Length & 0xFF); senseBuffer = SenseBuffer; LastError = SendScsiCommand(cdb, ref buffer, timeout, ScsiDirection.In, out duration, out sense); Error = LastError != 0; AaruLogging.Debug(SCSI_MODULE_NAME, Localization.READ_MEDIA_SERIAL_NUMBER_took_0_ms, duration); return sense; } /// Reads an attribute from the medium auxiliary memory /// Buffer. /// Sense buffer. /// What to do, . /// Partition number. /// First attribute identifier. /// If set to true device can return cached data. /// Timeout. /// Duration. public bool ReadAttribute(out byte[] buffer, out ReadOnlySpan senseBuffer, ScsiAttributeAction action, byte partition, ushort firstAttribute, bool cache, uint timeout, out double duration) => ReadAttribute(out buffer, out senseBuffer, action, 0, 0, 0, partition, firstAttribute, cache, timeout, out duration); /// Reads an attribute from the medium auxiliary memory /// Buffer. /// Sense buffer. /// What to do, . /// First attribute identifier. /// If set to true device can return cached data. /// Timeout. /// Duration. public bool ReadAttribute(out byte[] buffer, out ReadOnlySpan senseBuffer, ScsiAttributeAction action, ushort firstAttribute, bool cache, uint timeout, out double duration) => ReadAttribute(out buffer, out senseBuffer, action, 0, 0, 0, 0, firstAttribute, cache, timeout, out duration); /// Reads an attribute from the medium auxiliary memory /// Buffer. /// Sense buffer. /// What to do, . /// Partition number. /// First attribute identifier. /// Timeout. /// Duration. public bool ReadAttribute(out byte[] buffer, out ReadOnlySpan senseBuffer, ScsiAttributeAction action, byte partition, ushort firstAttribute, uint timeout, out double duration) => ReadAttribute(out buffer, out senseBuffer, action, 0, 0, 0, partition, firstAttribute, false, timeout, out duration); /// Reads an attribute from the medium auxiliary memory /// Buffer. /// Sense buffer. /// What to do, . /// First attribute identifier. /// Timeout. /// Duration. public bool ReadAttribute(out byte[] buffer, out ReadOnlySpan senseBuffer, ScsiAttributeAction action, ushort firstAttribute, uint timeout, out double duration) => ReadAttribute(out buffer, out senseBuffer, action, 0, 0, 0, 0, firstAttribute, false, timeout, out duration); /// Reads an attribute from the medium auxiliary memory /// Buffer. /// Sense buffer. /// What to do, . /// Volume number. /// Partition number. /// First attribute identifier. /// Timeout. /// Duration. public bool ReadAttribute(out byte[] buffer, out ReadOnlySpan senseBuffer, ScsiAttributeAction action, byte volume, byte partition, ushort firstAttribute, uint timeout, out double duration) => ReadAttribute(out buffer, out senseBuffer, action, 0, 0, volume, partition, firstAttribute, false, timeout, out duration); /// Reads an attribute from the medium auxiliary memory /// Buffer. /// Sense buffer. /// What to do, . /// Volume number. /// Partition number. /// First attribute identifier. /// If set to true device can return cached data. /// Timeout. /// Duration. public bool ReadAttribute(out byte[] buffer, out ReadOnlySpan senseBuffer, ScsiAttributeAction action, byte volume, byte partition, ushort firstAttribute, bool cache, uint timeout, out double duration) => ReadAttribute(out buffer, out senseBuffer, action, 0, 0, volume, partition, firstAttribute, cache, timeout, out duration); /// Sends the SPC MODE SELECT(6) command /// true if the command failed and contains the sense buffer. /// Buffer with the data to be sent to the device /// Sense buffer. /// Set to save pages between resets. /// Timeout in seconds. /// Duration in milliseconds it took for the device to execute the command. /// Set if page is formatted. public bool ModeSelect(byte[] buffer, out ReadOnlySpan senseBuffer, bool pageFormat, bool savePages, uint timeout, out double duration) { senseBuffer = SenseBuffer; // Prevent overflows if(buffer.Length > 255) { if(PlatformId != PlatformID.Win32NT && PlatformId != PlatformID.Win32S && PlatformId != PlatformID.Win32Windows && PlatformId != PlatformID.WinCE && PlatformId != PlatformID.WindowsPhone && PlatformId != PlatformID.Xbox) LastError = 75; else LastError = 111; Error = true; duration = 0; return true; } Span cdb = CdbBuffer[..6]; cdb.Clear(); cdb[0] = (byte)ScsiCommands.ModeSelect; if(pageFormat) cdb[1] += 0x10; if(savePages) cdb[1] += 0x01; cdb[4] = (byte)buffer.Length; LastError = SendScsiCommand(cdb, ref buffer, timeout, ScsiDirection.Out, out duration, out bool sense); Error = LastError != 0; AaruLogging.Debug(SCSI_MODULE_NAME, Localization.MODE_SELECT_6_took_0_ms, duration); return sense; } /// Sends the SPC MODE SELECT(10) command /// true if the command failed and contains the sense buffer. /// Buffer with the data to be sent to the device /// Set to save pages between resets. /// Sense buffer. /// Timeout in seconds. /// Duration in milliseconds it took for the device to execute the command. /// Set if page is formatted. public bool ModeSelect10(byte[] buffer, out ReadOnlySpan senseBuffer, bool pageFormat, bool savePages, uint timeout, out double duration) { senseBuffer = SenseBuffer; // Prevent overflows if(buffer.Length > 65535) { if(PlatformId != PlatformID.Win32NT && PlatformId != PlatformID.Win32S && PlatformId != PlatformID.Win32Windows && PlatformId != PlatformID.WinCE && PlatformId != PlatformID.WindowsPhone && PlatformId != PlatformID.Xbox) LastError = 75; else LastError = 111; Error = true; duration = 0; return true; } Span cdb = CdbBuffer[..10]; cdb.Clear(); if(pageFormat) cdb[1] += 0x10; if(savePages) cdb[1] += 0x01; cdb[7] = (byte)((buffer.Length & 0xFF00) << 8); cdb[8] = (byte)(buffer.Length & 0xFF); LastError = SendScsiCommand(cdb, ref buffer, timeout, ScsiDirection.Out, out duration, out bool sense); Error = LastError != 0; AaruLogging.Debug(SCSI_MODULE_NAME, Localization.MODE_SELECT_10_took_0_ms, duration); return sense; } /// Requests the device fixed sense /// Sense buffer /// Timeout in seconds. /// Duration in milliseconds it took for the device to execute the command. /// true if the command failed. public bool RequestSense(out byte[] buffer, uint timeout, out double duration) => RequestSense(false, out buffer, timeout, out duration); /// Requests the device sense /// Request a descriptor sense /// Sense buffer /// Timeout in seconds. /// Duration in milliseconds it took for the device to execute the command. /// true if the command failed. public bool RequestSense(bool descriptor, out byte[] buffer, uint timeout, out double duration) { Span cdb = CdbBuffer[..6]; cdb.Clear(); buffer = new byte[252]; cdb[0] = (byte)ScsiCommands.RequestSense; if(descriptor) cdb[1] = 0x01; cdb[2] = 0; cdb[3] = 0; cdb[4] = (byte)buffer.Length; cdb[5] = 0; LastError = SendScsiCommand(cdb, ref buffer, timeout, ScsiDirection.In, out duration, out bool sense); Error = LastError != 0; AaruLogging.Debug(SCSI_MODULE_NAME, Localization.REQUEST_SENSE_took_0_ms, duration); return sense; } }