src/Tizen.Security.TEEC/Interop/Interop.Types.cs

   1 /*
   2  *  Copyright (c) 2017 Samsung Electronics Co., Ltd All Rights Reserved
   3  *
   4  *  Licensed under the Apache License, Version 2.0 (the "License");
   5  *  you may not use this file except in compliance with the License.
   6  *  You may obtain a copy of the License at
   7  *
   8  *      http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  *  Unless required by applicable law or agreed to in writing, software
  11  *  distributed under the License is distributed on an "AS IS" BASIS,
  12  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  *  See the License for the specific language governing permissions and
  14  *  limitations under the License
  15  */
  16
  17
  18 using System;
  19 using System.IO;
  20 using System.Text;
  21 using System.Runtime.InteropServices;
  22
  23 internal static partial class Interop
  24 {
  25     [StructLayout(LayoutKind.Sequential)]
  26     internal struct TEEC_Context
  27     {
  28         public readonly IntPtr imp;
  29     }
  30
  31     [StructLayout(LayoutKind.Sequential)]
  32     internal struct TEEC_Session
  33     {
  34         public readonly IntPtr imp;
  35     }
  36
  37     [StructLayout(LayoutKind.Sequential)]
  38     internal struct TEEC_UUID
  39     {
  40         public UInt32 timeLow;
  41         public UInt16 timeMid;
  42         public UInt16 timeHiAndVersion;
  43         [MarshalAs(UnmanagedType.ByValArray, SizeConst = 8)]
  44         public byte[] clockSeqAndNode;
  45
  46         internal static TEEC_UUID ToTeecUuid(Guid guid)
  47         {
  48             TEEC_UUID uuid = new TEEC_UUID();
  49             byte[] bin = guid.ToByteArray();
  50             uuid.timeLow = BitConverter.ToUInt32(bin, 0);
  51             uuid.timeMid = BitConverter.ToUInt16(bin, 4);
  52             uuid.timeHiAndVersion = BitConverter.ToUInt16(bin, 6);
  53             uuid.clockSeqAndNode = new byte[8];
  54             Array.Copy(bin, 8, uuid.clockSeqAndNode, 0, 8);
  55             return uuid;
  56         }
  57     }
  58
  59     [StructLayout(LayoutKind.Sequential)]
  60     internal struct sTEEC_SharedMemoryImp
  61     {
  62         public IntPtr context;
  63         public IntPtr context_imp;
  64         public UInt32 flags;
  65         public UInt32 memid;
  66     }
  67
  68     [StructLayout(LayoutKind.Sequential)]
  69     internal struct TEEC_SharedMemory
  70     {
  71         public IntPtr buffer;
  72         public UInt32 size;
  73         public UInt32 flags;
  74     }
  75
  76     [StructLayout(LayoutKind.Sequential)]
  77     internal struct TEEC_Parameter
  78     {
  79         public UInt32 a;
  80         public UInt32 b;
  81     }
  82
  83     [StructLayout(LayoutKind.Sequential)]
  84     internal struct TEEC_Operation
  85     {
  86         public UInt32 started;
  87         public UInt32 paramTypes;
  88         [MarshalAs(UnmanagedType.ByValArray, SizeConst = 4)]
  89         public TEEC_Parameter[] paramlist;
  90         public IntPtr imp;
  91     }
  92 }
  93