SVGA3dCmdSurfaceDMASuffix
SVGA3dCmdSurfaceDMASuffix *suffix;
suffix = (SVGA3dCmdSurfaceDMASuffix *)((unsigned long) &cmd->body +
SVGA3dCmdSurfaceDMASuffix suffix;
SVGA3dCmdSurfaceDMASuffix *suffix = &cmd->suffix;