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Added support for list-devices on FreeBSD.

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This commit is contained in:
Natalia Portillo
2017-12-08 03:19:28 +00:00
parent f9e9bb4db0
commit c7d187b298
7 changed files with 300 additions and 10 deletions
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2
DiscImageChef.Decoders/SCSI/Inquiry.cs
View File

@@ -63,7 +63,7 @@ namespace DiscImageChef.Decoders.SCSI
return null;
}
if(SCSIInquiryResponse.Length != SCSIInquiryResponse[4] + 5)
if(SCSIInquiryResponse.Length < SCSIInquiryResponse[4] + 5)
{
DicConsole.DebugWriteLine("SCSI INQUIRY decoder", "INQUIRY response length ({0} bytes) is different than specified in length field ({1} bytes), decoded data can be incorrect, not decoding.", SCSIInquiryResponse.Length, SCSIInquiryResponse[4] + 4);
return null;

2
DiscImageChef.Devices/Device/List.cs
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@@ -53,6 +53,8 @@ namespace DiscImageChef.Devices
return Windows.ListDevices.GetList();
case Interop.PlatformID.Linux:
return Linux.ListDevices.GetList();
case Interop.PlatformID.FreeBSD:
return FreeBSD.ListDevices.GetList();
default:
throw new InvalidOperationException(string.Format("Platform {0} not yet supported.", Interop.DetectOS.GetRealPlatformID()));
}

1
DiscImageChef.Devices/DiscImageChef.Devices.csproj
View File

@@ -36,6 +36,7 @@
<Reference Include="System.Management" />
</ItemGroup>
<ItemGroup>
<Compile Include="FreeBSD\ListDevices.cs" />
<Compile Include="Properties\AssemblyInfo.cs" />
<Compile Include="Linux\Extern.cs" />
<Compile Include="Linux\Structs.cs" />

8
DiscImageChef.Devices/FreeBSD/Enums.cs
View File

@@ -265,7 +265,7 @@ namespace DiscImageChef.Devices.FreeBSD
enum dev_match_type
{
DEV_MATCH_PERIPH,
DEV_MATCH_PERIPH = 0,
DEV_MATCH_DEVICE,
DEV_MATCH_BUS
}
@@ -385,5 +385,11 @@ namespace DiscImageChef.Devices.FreeBSD
CAM_DEV_POS_EDT = 0x100,
CAM_DEV_POS_PDRV = 0x200
}
enum FreebsdIoctl : uint
{
CAMIOCOMMAND = 0xC4D81802,
}
}

3
DiscImageChef.Devices/FreeBSD/Extern.cs
View File

@@ -64,6 +64,9 @@ namespace DiscImageChef.Devices.FreeBSD
[DllImport("libcam", CharSet = CharSet.Ansi, SetLastError = true)]
internal static extern int cam_send_ccb(IntPtr dev, IntPtr ccb);
[DllImport("libc")]
internal static extern int ioctl(int fd, FreebsdIoctl request, IntPtr argp);
}
}

226
DiscImageChef.Devices/FreeBSD/ListDevices.cs Normal file
View File

@@ -0,0 +1,226 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.InteropServices;
using DiscImageChef.Console;
using path_id_t = System.UInt32;
using target_id_t = System.UInt32;
using lun_id_t = System.UInt32;
namespace DiscImageChef.Devices.FreeBSD
{
public static class ListDevices
{
const string XPT_DEVICE = "/dev/xpt0";
const path_id_t CAM_XPT_PATH_ID = 0xFFFFFFFF;
const target_id_t CAM_TARGET_WILDCARD = 0xFFFFFFFF;
const lun_id_t CAM_LUN_WILDCARD = 0xFFFFFFFF;
const int ccb_size = 1240;
public static DeviceInfo[] GetList()
{
int fd = Extern.open(XPT_DEVICE, FileFlags.ReadWrite);
// MMC support was added to CAM in FreeBSD 12
int not_mmc_data = Marshal.SizeOf(typeof(mmc_params));
if(Environment.OSVersion.Version.Major >= 12)
not_mmc_data = 0;
int dev_match_result_size = Marshal.SizeOf(typeof(dev_match_result)) - not_mmc_data;
if(fd == -1)
{
DicConsole.ErrorWriteLine("Error {0} opening {1}", Marshal.GetLastWin32Error(), XPT_DEVICE);
return null;
}
int bufsize = dev_match_result_size * 100;
ccb_dev_match cdm = new ccb_dev_match();
cdm.ccb_h = new ccb_hdr();
cdm.ccb_h.path_id = CAM_XPT_PATH_ID;
cdm.ccb_h.target_id = CAM_TARGET_WILDCARD;
cdm.ccb_h.target_lun = CAM_LUN_WILDCARD;
cdm.ccb_h.func_code = xpt_opcode.XPT_DEV_MATCH;
cdm.match_buf_len = (uint)bufsize;
cdm.matches = Marshal.AllocHGlobal(bufsize);
IntPtr ccb = Marshal.AllocHGlobal(ccb_size);
Marshal.StructureToPtr(cdm, ccb, false);
int res = Extern.ioctl(fd, FreebsdIoctl.CAMIOCOMMAND, ccb);
if(res == -1)
{
DicConsole.ErrorWriteLine("Error {0} sending ioctl to CAM", Marshal.GetLastWin32Error());
Extern.close(fd);
Marshal.FreeHGlobal(cdm.matches);
Marshal.FreeHGlobal(ccb);
return null;
}
cdm = (ccb_dev_match)Marshal.PtrToStructure(ccb, typeof(ccb_dev_match));
DicConsole.DebugWriteLine("FreeBSD devices", "CAM returned {0} matches", cdm.num_matches);
if(cdm.num_matches == 0)
return null;
dev_match_result[] matches = new dev_match_result[cdm.num_matches];
byte[] buffer = new byte[bufsize];
Marshal.Copy(cdm.matches, buffer, 0, bufsize);
List<DeviceInfo> listDevices = new List<DeviceInfo>();
DeviceInfo deviceInfo = new DeviceInfo();
bool pathFound = false;
bool skipDevice = false;
for(int i = 0; i < matches.Length; i++)
{
dev_match_type matchType = (dev_match_type)BitConverter.ToUInt32(buffer, i * dev_match_result_size);
if(matchType == dev_match_type.DEV_MATCH_DEVICE)
{
byte[] data = new byte[Marshal.SizeOf(typeof(device_match_result))];
Buffer.BlockCopy(buffer, (i * dev_match_result_size) + 4, data, 0,
Marshal.SizeOf(typeof(device_match_result)));
IntPtr matchPtr = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(device_match_result)));
Marshal.Copy(data, 0, matchPtr, Marshal.SizeOf(typeof(device_match_result)));
device_match_result dmr =
(device_match_result)Marshal.PtrToStructure(matchPtr, typeof(device_match_result));
Marshal.FreeHGlobal(matchPtr);
if(dmr.flags.HasFlag(dev_result_flags.DEV_RESULT_UNCONFIGURED))
{
skipDevice = true;
continue;
}
if(pathFound)
{
listDevices.Add(deviceInfo);
deviceInfo = new DeviceInfo();
pathFound = false;
}
System.Console.WriteLine("{0}", dmr.protocol);
skipDevice = false;
switch(dmr.protocol)
{
case cam_proto.PROTO_ATA:
case cam_proto.PROTO_ATAPI:
case cam_proto.PROTO_SATAPM:
{
// Little-endian FreeBSD gives it resorted
// Big-endian FreeBSD, no idea
byte[] atad_tneid = new byte[512];
for(int aIndex = 0; aIndex < 512; aIndex += 2)
{
atad_tneid[aIndex] = dmr.ident_data[aIndex + 1];
atad_tneid[aIndex + 1] = dmr.ident_data[aIndex];
}
Decoders.ATA.Identify.IdentifyDevice? idt = Decoders.ATA.Identify.Decode(atad_tneid);
if(idt.HasValue)
{
string[] separated = idt.Value.Model.Split(' ');
if(separated.Length == 1)
{
deviceInfo.vendor = "ATA";
deviceInfo.model = separated[0];
}
else
{
deviceInfo.vendor = separated[0];
deviceInfo.model = separated[separated.Length - 1];
}
deviceInfo.serial = idt.Value.SerialNumber;
deviceInfo.bus = "ATA";
deviceInfo.supported = false;
}
if(dmr.protocol == cam_proto.PROTO_ATAPI)
goto case cam_proto.PROTO_SCSI;
break;
}
case cam_proto.PROTO_SCSI:
{
Decoders.SCSI.Inquiry.SCSIInquiry? inq = Decoders.SCSI.Inquiry.Decode(dmr.inq_data);
if(inq.HasValue)
{
deviceInfo.vendor = StringHandlers.CToString(inq.Value.VendorIdentification).Trim();
deviceInfo.model = StringHandlers.CToString(inq.Value.ProductIdentification).Trim();
deviceInfo.bus = dmr.protocol == cam_proto.PROTO_ATAPI ? "ATAPI" : "SCSI";
deviceInfo.supported = false;
}
break;
}
case cam_proto.PROTO_NVME:
deviceInfo.bus = "NVMe";
deviceInfo.supported = false;
break;
case cam_proto.PROTO_MMCSD:
if(!ArrayHelpers.ArrayIsNullOrEmpty(dmr.mmc_ident_data.model))
deviceInfo.model = StringHandlers.CToString(dmr.mmc_ident_data.model);
else
deviceInfo.model = string.Format("{0} card",
dmr.mmc_ident_data.card_features.HasFlag(mmc_card_features.CARD_FEATURE_SDIO)
? "SDIO"
: "Unknown");
if(dmr.mmc_ident_data.card_features.HasFlag(mmc_card_features.CARD_FEATURE_SD20) ||
dmr.mmc_ident_data.card_features.HasFlag(mmc_card_features.CARD_FEATURE_SDHC) ||
dmr.mmc_ident_data.card_features.HasFlag(mmc_card_features.CARD_FEATURE_SDIO))
deviceInfo.bus = "SD";
else if(dmr.mmc_ident_data.card_features.HasFlag(mmc_card_features.CARD_FEATURE_MMC))
deviceInfo.bus = "MMC";
else
deviceInfo.bus = "MMC/SD";
deviceInfo.supported = false;
break;
default:
skipDevice = true;
break;
}
}
else if(matchType == dev_match_type.DEV_MATCH_PERIPH)
{
if(skipDevice)
continue;
byte[] data = new byte[Marshal.SizeOf(typeof(periph_match_result))];
Buffer.BlockCopy(buffer, (i * dev_match_result_size) + 4, data, 0,
Marshal.SizeOf(typeof(periph_match_result)));
IntPtr matchPtr = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(periph_match_result)));
Marshal.Copy(data, 0, matchPtr, Marshal.SizeOf(typeof(periph_match_result)));
periph_match_result pmr =
(periph_match_result)Marshal.PtrToStructure(matchPtr, typeof(periph_match_result));
Marshal.FreeHGlobal(matchPtr);
if(deviceInfo.path == null || StringHandlers.CToString(pmr.periph_name) == "pass")
{
deviceInfo.path = string.Format("/dev/{0}{1}", StringHandlers.CToString(pmr.periph_name),
pmr.unit_number);
pathFound = true;
}
}
}
if(pathFound)
listDevices.Add(deviceInfo);
Marshal.FreeHGlobal(cdm.matches);
Marshal.FreeHGlobal(ccb);
Extern.close(fd);
if(listDevices.Count > 0)
return listDevices.OrderBy(t => t.path).ToArray();
return null;
}
}
}

62
DiscImageChef.Devices/FreeBSD/Structs.cs
View File

@@ -35,10 +35,11 @@ using System;
using System.Runtime.InteropServices;
using path_id_t = System.UInt32;
using target_id_t = System.UInt32;
using lun_id_t = System.UInt64;
using lun_id_t = System.UInt32;
namespace DiscImageChef.Devices.FreeBSD
{
[StructLayout(LayoutKind.Sequential)]
struct ata_cmd
{
public CamAtaIoFlags flags;
@@ -57,6 +58,7 @@ namespace DiscImageChef.Devices.FreeBSD
public byte control;
}
[StructLayout(LayoutKind.Sequential)]
struct ata_res
{
public CamAtaIoFlags flags;
@@ -73,6 +75,7 @@ namespace DiscImageChef.Devices.FreeBSD
public byte sector_count_exp;
}
[StructLayout(LayoutKind.Sequential)]
struct cam_pinfo
{
public uint priority;
@@ -80,7 +83,7 @@ namespace DiscImageChef.Devices.FreeBSD
public int index;
}
struct camq_entry
struct LIST_ENTRY
{
/// <summary>
/// LIST_ENTRY(ccb_hdr)=le->*le_next
@@ -90,10 +93,18 @@ namespace DiscImageChef.Devices.FreeBSD
/// LIST_ENTRY(ccb_hdr)=le->**le_prev
/// </summary>
public IntPtr le_prev;
}
struct SLIST_ENTRY
{
/// <summary>
/// SLIST_ENTRY(ccb_hdr)=sle->*sle_next
/// </summary>
public IntPtr sle_next;
}
struct TAILQ_ENTRY
{
/// <summary>
/// TAILQ_ENTRY(ccb_hdr)=tqe->*tqe_next
/// </summary>
@@ -102,12 +113,26 @@ namespace DiscImageChef.Devices.FreeBSD
/// TAILQ_ENTRY(ccb_hdr)=tqe->**tqe_prev
/// </summary>
public IntPtr tqe_prev;
}
struct STAILQ_ENTRY
{
/// <summary>
/// STAILQ_ENTRY(ccb_hdr)=stqe->*stqe_next
/// </summary>
public IntPtr stqe_next;
}
[StructLayout(LayoutKind.Explicit)]
struct camq_entry
{
[FieldOffset(0)] public LIST_ENTRY le;
[FieldOffset(0)] public SLIST_ENTRY sle;
[FieldOffset(0)] public TAILQ_ENTRY tqe;
[FieldOffset(0)] public STAILQ_ENTRY stqe;
}
[StructLayout(LayoutKind.Sequential)]
struct timeval
{
public long tv_sec;
@@ -115,6 +140,7 @@ namespace DiscImageChef.Devices.FreeBSD
public IntPtr tv_usec;
}
[StructLayout(LayoutKind.Sequential)]
struct ccb_qos_area
{
public timeval etime;
@@ -122,6 +148,7 @@ namespace DiscImageChef.Devices.FreeBSD
public UIntPtr periph_data;
}
[StructLayout(LayoutKind.Sequential)]
struct ccb_hdr
{
public cam_pinfo pinfo;
@@ -147,6 +174,7 @@ namespace DiscImageChef.Devices.FreeBSD
public timeval softtimeout;
}
[StructLayout(LayoutKind.Sequential)]
struct scsi_sense_data
{
public byte error_code;
@@ -157,6 +185,7 @@ namespace DiscImageChef.Devices.FreeBSD
/// <summary>
/// SCSI I/O Request CCB used for the XPT_SCSI_IO and XPT_CONT_TARGET_IO function codes.
/// </summary>
[StructLayout(LayoutKind.Sequential)]
struct cdb_scsiio
{
public ccb_hdr ccb_h;
@@ -199,6 +228,7 @@ namespace DiscImageChef.Devices.FreeBSD
/// <summary>
/// ATA I/O Request CCB used for the XPT_ATA_IO function code.
/// </summary>
[StructLayout(LayoutKind.Sequential)]
struct ccb_ataio
{
public ccb_hdr ccb_h;
@@ -222,6 +252,7 @@ namespace DiscImageChef.Devices.FreeBSD
public uint init_id;
}
[StructLayout(LayoutKind.Sequential)]
struct nvme_command
{
private ushort opc_fuse_rsvd1;
@@ -292,6 +323,7 @@ namespace DiscImageChef.Devices.FreeBSD
public byte rsvd1 => (byte)(opc_fuse_rsvd1 & 0x3F);
}
[StructLayout(LayoutKind.Sequential)]
struct nvme_status
{
private ushort status;
@@ -327,6 +359,7 @@ namespace DiscImageChef.Devices.FreeBSD
public byte dnr => (byte)(status & 0x1);
}
[StructLayout(LayoutKind.Sequential)]
struct nvme_completion
{
/// <summary>
@@ -360,6 +393,7 @@ namespace DiscImageChef.Devices.FreeBSD
/// <summary>
/// NVMe I/O Request CCB used for the XPT_NVME_IO and XPT_NVME_ADMIN function codes.
/// </summary>
[StructLayout(LayoutKind.Sequential)]
struct ccb_nvmeio
{
public ccb_hdr ccb_h;
@@ -379,6 +413,7 @@ namespace DiscImageChef.Devices.FreeBSD
public ushort unused;
}
[StructLayout(LayoutKind.Sequential)]
struct periph_match_pattern
{
private const int DEV_IDLEN = 16;
@@ -391,12 +426,14 @@ namespace DiscImageChef.Devices.FreeBSD
public periph_pattern_flags flags;
}
[StructLayout(LayoutKind.Sequential)]
struct device_id_match_pattern
{
public byte id_len;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 256)] public byte[] id;
}
[StructLayout(LayoutKind.Sequential)]
struct scsi_static_inquiry_pattern
{
private const int SID_VENDOR_SIZE = 8;
@@ -409,12 +446,14 @@ namespace DiscImageChef.Devices.FreeBSD
[MarshalAs(UnmanagedType.ByValArray, SizeConst = SID_REVISION_SIZE + 1)] public byte[] revision;
}
[StructLayout(LayoutKind.Explicit)]
struct device_match_pattern_data
{
[FieldOffset(0)] public scsi_static_inquiry_pattern inq_pat;
[FieldOffset(0)] public device_id_match_pattern devid_pat;
}
[StructLayout(LayoutKind.Sequential)]
struct device_match_pattern
{
public path_id_t path_id;
@@ -424,6 +463,7 @@ namespace DiscImageChef.Devices.FreeBSD
public device_match_pattern_data data;
}
[StructLayout(LayoutKind.Sequential)]
struct bus_match_pattern
{
private const int DEV_IDLEN = 16;
@@ -443,22 +483,24 @@ namespace DiscImageChef.Devices.FreeBSD
[FieldOffset(0)] public bus_match_pattern bus_pattern;
}
[StructLayout(LayoutKind.Sequential)]
struct dev_match_pattern
{
public dev_match_type type;
public match_pattern pattern;
}
[StructLayout(LayoutKind.Sequential)]
struct periph_match_result
{
private const int DEV_IDLEN = 16;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = DEV_IDLEN)] public byte[] periph_name;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 16)] public byte[] periph_name;
public uint unit_number;
public path_id_t path_id;
public target_id_t target_id;
public lun_id_t target_lun;
}
[StructLayout(LayoutKind.Sequential)]
struct mmc_cid
{
public uint mid;
@@ -471,6 +513,7 @@ namespace DiscImageChef.Devices.FreeBSD
public byte fwrev;
}
[StructLayout(LayoutKind.Sequential)]
struct mmc_params
{
/// <summary>
@@ -516,6 +559,7 @@ namespace DiscImageChef.Devices.FreeBSD
public byte sdio_func_count;
}
[StructLayout(LayoutKind.Sequential)]
struct device_match_result
{
public path_id_t path_id;
@@ -527,13 +571,17 @@ namespace DiscImageChef.Devices.FreeBSD
public dev_result_flags flags;
public mmc_params mmc_ident_data;
}
struct bus_match_result {
[StructLayout(LayoutKind.Sequential)]
struct bus_match_result
{
public path_id_t path_id;
private const int DEV_IDLEN = 16;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = DEV_IDLEN)] public byte[] dev_name;
public uint unit_number;
public uint bus_id;
}
[StructLayout(LayoutKind.Explicit)]
struct match_result
{
@@ -542,12 +590,14 @@ namespace DiscImageChef.Devices.FreeBSD
[FieldOffset(0)] public bus_match_result bus_result;
}
[StructLayout(LayoutKind.Sequential)]
struct dev_match_result
{
public dev_match_type type;
public match_result result;
}
[StructLayout(LayoutKind.Sequential)]
struct ccb_dm_cookie
{
public IntPtr bus;
@@ -557,6 +607,7 @@ namespace DiscImageChef.Devices.FreeBSD
public IntPtr pdrv;
}
[StructLayout(LayoutKind.Sequential)]
struct ccb_dev_position
{
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 4)] public cam_generations[] generations;
@@ -564,6 +615,7 @@ namespace DiscImageChef.Devices.FreeBSD
public ccb_dm_cookie cookie;
}
[StructLayout(LayoutKind.Sequential)]
struct ccb_dev_match
{
public ccb_hdr ccb_h;