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Solved FreeBSD SCSI structure alignment (now works).

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This commit is contained in:
Natalia Portillo
2017-12-10 23:16:48 +00:00
parent e2888eaf27
commit 60bc3eb8e5
2 changed files with 36 additions and 47 deletions
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40
DiscImageChef.Devices/FreeBSD/Command.cs
View File

@@ -65,6 +65,7 @@ namespace DiscImageChef.Devices.FreeBSD
return -1;
IntPtr ccbPtr = cam_getccb(dev);
IntPtr cdbPtr = IntPtr.Zero;
if(ccbPtr.ToInt64() == 0)
{
@@ -85,17 +86,18 @@ namespace DiscImageChef.Devices.FreeBSD
csio.cdb_len = (byte)cdb.Length;
// TODO: Create enum?
csio.tag_action = 0x20;
csio.cdb_io = new cdb_t64();
csio.cdb_bytes = new byte[CAM_MAX_CDBLEN];
if(cdb.Length <= CAM_MAX_CDBLEN)
{
csio.cdb_io.cdb_bytes = new byte[CAM_MAX_CDBLEN];
Array.Copy(cdb, 0, csio.cdb_io.cdb_bytes, 0, cdb.Length);
}
Array.Copy(cdb, 0, csio.cdb_bytes, 0, cdb.Length);
else
{
csio.cdb_io.cdb_ptr = Marshal.AllocHGlobal(cdb.Length).ToInt64();
cdbPtr = Marshal.AllocHGlobal(cdb.Length);
byte[] cdbPtrBytes = BitConverter.GetBytes(cdbPtr.ToInt64());
Array.Copy(cdbPtrBytes, 0, csio.cdb_bytes, 0, IntPtr.Size);
csio.ccb_h.flags |= ccb_flags.CAM_CDB_POINTER;
}
csio.ccb_h.flags |= ccb_flags.CAM_DEV_QFRZDIS;
Marshal.Copy(buffer, 0, csio.data_ptr, buffer.Length);
Marshal.StructureToPtr(csio, ccbPtr, false);
@@ -139,11 +141,13 @@ namespace DiscImageChef.Devices.FreeBSD
Marshal.Copy(csio.data_ptr, buffer, 0, buffer.Length);
if(csio.ccb_h.flags.HasFlag(ccb_flags.CAM_CDB_POINTER))
Marshal.Copy(new IntPtr(csio.cdb_io.cdb_ptr), cdb, 0, cdb.Length);
Marshal.Copy(new IntPtr(BitConverter.ToInt64(csio.cdb_bytes, 0)), cdb, 0, cdb.Length);
else
Array.Copy(csio.cdb_io.cdb_bytes, 0, cdb, 0, cdb.Length);
Array.Copy(csio.cdb_bytes, 0, cdb, 0, cdb.Length);
duration = (end - start).TotalMilliseconds;
if(csio.ccb_h.flags.HasFlag(ccb_flags.CAM_CDB_POINTER))
Marshal.FreeHGlobal(cdbPtr);
Marshal.FreeHGlobal(csio.data_ptr);
cam_freeccb(ccbPtr);
@@ -172,6 +176,7 @@ namespace DiscImageChef.Devices.FreeBSD
return -1;
IntPtr ccbPtr = cam_getccb(dev);
IntPtr cdbPtr = IntPtr.Zero;
if(ccbPtr.ToInt32() == 0)
{
@@ -192,17 +197,18 @@ namespace DiscImageChef.Devices.FreeBSD
csio.cdb_len = (byte)cdb.Length;
// TODO: Create enum?
csio.tag_action = 0x20;
csio.cdb_io = new cdb_t();
csio.cdb_bytes = new byte[CAM_MAX_CDBLEN];
if(cdb.Length <= CAM_MAX_CDBLEN)
{
csio.cdb_io.cdb_bytes = new byte[CAM_MAX_CDBLEN];
Array.Copy(cdb, 0, csio.cdb_io.cdb_bytes, 0, cdb.Length);
}
Array.Copy(cdb, 0, csio.cdb_bytes, 0, cdb.Length);
else
{
csio.cdb_io.cdb_ptr = Marshal.AllocHGlobal(cdb.Length).ToInt32();
cdbPtr = Marshal.AllocHGlobal(cdb.Length);
byte[] cdbPtrBytes = BitConverter.GetBytes(cdbPtr.ToInt32());
Array.Copy(cdbPtrBytes, 0, csio.cdb_bytes, 0, IntPtr.Size);
csio.ccb_h.flags |= ccb_flags.CAM_CDB_POINTER;
}
csio.ccb_h.flags |= ccb_flags.CAM_DEV_QFRZDIS;
Marshal.Copy(buffer, 0, csio.data_ptr, buffer.Length);
Marshal.StructureToPtr(csio, ccbPtr, false);
@@ -246,11 +252,13 @@ namespace DiscImageChef.Devices.FreeBSD
Marshal.Copy(csio.data_ptr, buffer, 0, buffer.Length);
if(csio.ccb_h.flags.HasFlag(ccb_flags.CAM_CDB_POINTER))
Marshal.Copy(new IntPtr(csio.cdb_io.cdb_ptr), cdb, 0, cdb.Length);
Marshal.Copy(new IntPtr(BitConverter.ToInt32(csio.cdb_bytes, 0)), cdb, 0, cdb.Length);
else
Array.Copy(csio.cdb_io.cdb_bytes, 0, cdb, 0, cdb.Length);
Array.Copy(csio.cdb_bytes, 0, cdb, 0, cdb.Length);
duration = (end - start).TotalMilliseconds;
if(csio.ccb_h.flags.HasFlag(ccb_flags.CAM_CDB_POINTER))
Marshal.FreeHGlobal(cdbPtr);
Marshal.FreeHGlobal(csio.data_ptr);
cam_freeccb(ccbPtr);

41
DiscImageChef.Devices/FreeBSD/Structs.cs
View File

@@ -182,19 +182,6 @@ namespace DiscImageChef.Devices.FreeBSD
[MarshalAs(UnmanagedType.ByValArray, SizeConst = SSD_FULL_SIZE - 1)] public byte[] sense_buf;
}
struct cdb_t
{
/// <summary>
/// Pointer to the CDB bytes to send
/// </summary>
public int cdb_ptr;
/// <summary>
/// Area for the CDB send
/// </summary>
const int IOCDBLEN = 16;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = IOCDBLEN)] public byte[] cdb_bytes;
}
/// <summary>
/// SCSI I/O Request CCB used for the XPT_SCSI_IO and XPT_CONT_TARGET_IO function codes.
/// </summary>
@@ -224,8 +211,11 @@ namespace DiscImageChef.Devices.FreeBSD
public sbyte sense_resid;
/// <summary>Transfer residual length: 2's comp</summary>
public int resid;
/// <summary>Union for CDB bytes/pointer</summary>
public cdb_t cdb_io;
/// <summary>
/// Area for the CDB send, or pointer to the CDB bytes to send
/// </summary>
const int IOCDBLEN = 16;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = IOCDBLEN)] public byte[] cdb_bytes;
/// <summary>Pointer to the message buffer</summary>
public IntPtr msg_ptr;
/// <summary>Number of bytes for the Message</summary>
@@ -238,19 +228,6 @@ namespace DiscImageChef.Devices.FreeBSD
public uint init_id;
}
struct cdb_t64
{
/// <summary>
/// Pointer to the CDB bytes to send
/// </summary>
public long cdb_ptr;
/// <summary>
/// Area for the CDB send
/// </summary>
const int IOCDBLEN = 16;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = IOCDBLEN)] public byte[] cdb_bytes;
}
/// <summary>
/// SCSI I/O Request CCB used for the XPT_SCSI_IO and XPT_CONT_TARGET_IO function codes.
/// </summary>
@@ -280,8 +257,12 @@ namespace DiscImageChef.Devices.FreeBSD
public sbyte sense_resid;
/// <summary>Transfer residual length: 2's comp</summary>
public int resid;
/// <summary>Union for CDB bytes/pointer</summary>
public cdb_t64 cdb_io;
public uint alignment;
/// <summary>
/// Area for the CDB send, or pointer to the CDB bytes to send
/// </summary>
const int IOCDBLEN = 16;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = IOCDBLEN)] public byte[] cdb_bytes;
/// <summary>Pointer to the message buffer</summary>
public IntPtr msg_ptr;
/// <summary>Number of bytes for the Message</summary>