/// <summary>
/// Change power state
/// </summary>
/// <param name="state">Power state</param>
public unsafe static void ChangePowerState(VboxDevPowerState state)
{
RequestPowerState *req = (RequestPowerState *)Heap.Alloc(sizeof(RequestPowerState));
req->header.Size = (uint)sizeof(RequestPowerState);
req->header.Version = 0x10001;
req->header.requestType = VboxDevRequestTypes.VMMDevReq_SetPowerStatus;
req->header.rc = 0xFFFFF;
req->PowerState = state;
PortIO.Out32((ushort)m_dev.BAR0.Address, (uint)Paging.GetPhysicalFromVirtual(req));
}
/// <summary>
/// Write method for filesystem
/// </summary>
/// <param name="node">The node</param>
/// <param name="offset">The offset</param>
/// <param name="size">The size</param>
/// <param name="buffer">The buffer</param>
/// <returns>The amount of bytes written</returns>
private static unsafe uint writeImpl(Node node, uint offset, uint size, byte[] buffer)
{
IDCookie cookie = (IDCookie)node.Cookie;
VboxDevRequestTypes request = (VboxDevRequestTypes)cookie.ID;
switch (request)
{
case VboxDevRequestTypes.VMMDevReq_SetPowerStatus:
if (size < 4)
{
return(0);
}
int state = Byte.ToInt(buffer);
VboxDevPowerState stateConverted = (VboxDevPowerState)state;
VboxDev.ChangePowerState(stateConverted);
return(4);
}
return(0);
}