PiDevCfgMigrateDevice

NTSTATUS __stdcall PiDevCfgMigrateDevice(
        _DEVICE_NODE *DeviceNode,
        PI_DEVCFG_DEVICE_CONTEXT *DeviceContext,
        _UNICODE_STRING *ClassGuidString,
        _UNICODE_STRING *DriverInfName,
        UINT64 *ConfigFlags,
        UINT64 *ConfigStatus){
  _DEVICE_NODE *v8; 
  int v9; 
  int inited; 
  VOID *v12; 
  __int64 v13; 
  NTSTATUS v14; 
  const WCHAR *v15; 
  __int64 v16; 
  NTSTATUS v17; 
  __int64 v18; 
  NTSTATUS DeviceMigrationNode; 
  _PI_DEVCFG_MIGRATION_NODE v20; 
  unsigned int *v21; 
  INT64 v22; 
  INT64 v23; 
  PI_DEVCFG_DEVICE_CONTEXT *v24; 
  _PI_DEVCFG_MIGRATION_NODE *v25; 
  VOID *v26; 
  _OBJECT_TYPE *v27; 
  _PI_DEVCFG_MIGRATION_NODE *v28; 
  VOID *v29; 
  VOID *v30; 
  WCHAR *v31; 
  WCHAR *v32; 
  _DEVPROPKEY *PropertyKey; 
  _PI_DEVCFG_MIGRATION_NODE *MigrationNode; 
  int v35; 
  _HANDLE Handle[3]; 
  _KEY_VALUE_FULL_INFORMATION *Information[2]; 
  _PI_DEVCFG_MIGRATION_CONTEXT MigrationContext[4]; 
  VOID *MigrationNodesKeyHandle[2]; 
  __int128 v40; 
  __int64 v41; 

  v41 = 0i64;
  MigrationNode = 0i64;
  Information[0] = 0i64;
  v8 = DeviceNode;
  memset(Handle, 0, sizeof(Handle));
  v9 = 0;
  v35 = 0;
  *(_OWORD *)MigrationContext = 0i64;
  *(_OWORD *)MigrationNodesKeyHandle = 0i64;
  v40 = 0i64;
  if( ConfigFlags )
    *(_DWORD *)ConfigFlags = 0;
  if( ConfigStatus )
    *(_DWORD *)ConfigStatus = 0;
  inited = PiDevCfgInitMigrationContext(ClassGuidString, DriverInfName, (VOID **)MigrationContext);
  if( inited < 0 )
    goto LABEL_8;
  if( !*(_QWORD *)MigrationContext )
  {
    inited = 0;
    goto LABEL_8;
  }
  if( PnpGetObjectProperty(
         *(&stru_140CF2E80 + 1214),
         *((_QWORD *)DeviceContext + 1),
         1i64,
         *((_QWORD *)DeviceContext + 2),
         0i64,
         (INT64)&DEVPKEY_Device_MigrationRank,
         (INT64)Handle,
         0i64) == -1073741789
    && Handle[0] == 9
    && v35 == 8 )
  {
    goto LABEL_50;
  }
  if( *(_QWORD *)&MigrationContext[2] )
  {
    inited = PiDevCfgQueryDeviceMigrationNode(MigrationContext, *((WCHAR **)DeviceContext + 1), &MigrationNode);
    if( inited < 0 )
    {
      MigrationNode = 0i64;
      if( inited == -1073741772 )
        inited = 0;
    }
    else
    {
      *((_QWORD *)MigrationNode + 23) = 0i64;
    }
  }
  if( MigrationNode )
  {
LABEL_51:
    v20 = MigrationNode[4];
    if( (v20 & 1) != 0 )
    {
      inited = -1073740007;
    }
    else if( (v20 & 2) != 0 )
    {
      inited = -1073740719;
    }
    else
    {
      if( IopGetRegistryValue(*((PVOID *)MigrationNode + 5), (PWCHAR)L"ConfigFlags", 0i64, Information) >= 0 )
      {
        if( PnpValidateRegistryDword((__int64)Information[0]) )
          v9 = *(unsigned int *)((char *)v21 + v21[2]);
        ExFreePoolWithTag(v21, 0);
      }
      v22 = *((_QWORD *)DeviceContext + 2);
      v23 = *((_QWORD *)DeviceContext + 1);
      PropertyKey = (_DEVPROPKEY *)&v35;
      v35 = 0;
      if( PnpGetObjectProperty(
             *(&stru_140CF2E80 + 1214),
             v23,
             1i64,
             v22,
             0i64,
             (INT64)&DEVPKEY_Device_ClassGuid,
             (INT64)Handle,
             0i64) != -1073741789
        || Handle[0] != 13
        || v35 != 16 )
      {
        if( ClassGuidString )
        {
          PiDevCfgSetDeviceRegProp(v24, (_CM_REG_PROP)DeviceContext, 9ui64, (UINT8 *)1, (UINT64)ClassGuidString->Buffer);
        }
        else
        {
          LODWORD(PropertyKey) = 16;
          LODWORD(v31) = 13;
          PiDevCfgSetObjectProperty(
            *(&stru_140CF2E80 + 607),
            DeviceContext,
            *((_QWORD *)DeviceContext + 1),
            (WCHAR *)1,
            *((WCHAR **)DeviceContext + 2),
            v29,
            (UINT64)&DEVPKEY_Device_ClassGuid,
            v31,
            (UINT64)(MigrationNode + 20),
            PropertyKey);
        }
      }
      HIDWORD(v32) = HIDWORD(ConfigStatus);
      inited = PiDevCfgConfigureDeviceDriverConfiguration(
                 v8,
                 DeviceContext,
                 *((VOID **)MigrationNode + 5),
                 0xFFFFFFFFui64,
                 0i64,
                 0i64);
      if( inited >= 0 )
      {
        if( ConfigFlags )
          *(_DWORD *)ConfigFlags |= v9;
        v25 = MigrationNode;
        if( *((_QWORD *)MigrationNode + 23) )
        {
          v26 = (VOID *)*((_QWORD *)DeviceContext + 2);
          *(_OWORD *)Information = 0i64;
          if( RtlInitUnicodeStringEx((_UNICODE_STRING *)Information, (WCHAR *)L"ParentIdPrefix") >= 0 )
          {
            ZwDeleteValueKey(v26, (_UNICODE_STRING *)Information, v27);
            v25 = MigrationNode;
          }
        }
        LODWORD(PropertyKey) = 8;
        LODWORD(v32) = 9;
        PiDevCfgSetObjectProperty(
          *(&stru_140CF2E80 + 607),
          DeviceContext,
          *((_QWORD *)DeviceContext + 1),
          (WCHAR *)1,
          *((WCHAR **)DeviceContext + 2),
          v30,
          (UINT64)&DEVPKEY_Device_MigrationRank,
          v32,
          (UINT64)(v25 + 46),
          PropertyKey);
      }
    }
    PiDevCfgLogDeviceMigrated(DeviceContext, MigrationNode, (unsigned int)inited);
    v28 = MigrationNode;
    if( (MigrationNode[4] & 1) == 0 )
    {
      PiDevCfgClearDeviceMigrationNode(MigrationContext, *((WCHAR **)MigrationNode + 4));
      v28 = MigrationNode;
    }
    if( !v28 || wcsicmp(*((const wchar_t **)DeviceContext + 1), *((const wchar_t **)v28 + 4)) )
      goto LABEL_76;
    goto LABEL_8;
  }
  if( CmIsRootEnumeratedDevice(*((WCHAR **)DeviceContext + 1)) )
    goto LABEL_50;
  if( !*((_QWORD *)DeviceContext + 8) )
    goto LABEL_45;
  v12 = (VOID *)v40;
  if( !(_QWORD)v40 )
  {
    v13 = 0i64;
    if( *(&stru_140CF2E80 + 607) )
      v13 = *(_QWORD *)(*(&stru_140CF2E80 + 607) + 224i64);
    v14 = SysCtxRegOpenKey(v13, *(VOID **)MigrationContext, L"Locations", 0, 0x20019u, (VOID **)&v40);
    if( v14 == -1073741772 )
    {
      *(_QWORD *)&v40 = 0i64;
      goto LABEL_45;
    }
    if( v14 < 0 )
    {
      inited = v14;
      goto LABEL_8;
    }
    v12 = (VOID *)v40;
    if( !(_QWORD)v40 )
      goto LABEL_45;
  }
  v15 = (const WCHAR *)*((_QWORD *)DeviceContext + 8);
  if( !*v15 )
    goto LABEL_43;
  while( 1 )
  {
    v16 = 0i64;
    if( *(&stru_140CF2E80 + 607) )
      v16 = *(_QWORD *)(*(&stru_140CF2E80 + 607) + 224i64);
    v17 = SysCtxRegOpenKey(v16, v12, v15, 0, 0x20019u, (VOID **)&Handle[1]);
    if( v17 == -1073741772 )
      goto LABEL_38;
    if( v17 < 0 )
      break;
    inited = PiDevCfgFindDeviceMigrationNode(
               MigrationContext,
               DeviceContext,
               *(VOID **)&Handle[1],
               0x11201ui64,
               &MigrationNode);
    ZwClose(Handle[1]);
    if( inited >= 0 )
      goto LABEL_44;
    MigrationNode = 0i64;
    if( inited == -1073741275 )
      inited = 0;
LABEL_38:
    v18 = -1i64;
    do
      ++v18;
    while( v15[v18] );
    v15 += v18 + 1;
    if( !*v15 )
      goto LABEL_43;
    v12 = (VOID *)v40;
  }
  inited = v17;
LABEL_43:
  if( inited >= 0 )
  {
LABEL_44:
    v8 = DeviceNode;
LABEL_45:
    if( MigrationNode )
      goto LABEL_51;
    if( MigrationNodesKeyHandle[1] )
    {
      DeviceMigrationNode = PiDevCfgFindDeviceMigrationNode(
                              MigrationContext,
                              DeviceContext,
                              MigrationNodesKeyHandle[1],
                              0x11021ui64,
                              &MigrationNode);
      inited = DeviceMigrationNode;
      if( DeviceMigrationNode < 0 )
      {
        MigrationNode = 0i64;
        if( DeviceMigrationNode == -1073741275 )
          inited = 0;
      }
LABEL_50:
      if( MigrationNode )
        goto LABEL_51;
    }
LABEL_76:
    PiDevCfgClearDeviceMigrationNode(MigrationContext, *((WCHAR **)DeviceContext + 1));
  }
LABEL_8:
  if( MigrationNode )
    PiDevCfgFreeDeviceMigrationNode(MigrationNode);
  PiDevCfgFreeMigrationContext(MigrationContext);
  return inited;
}

Referenced by: