MLXCX_ATTACH_WQS
if (mlxp->mlx_attach & MLXCX_ATTACH_WQS) {
mlxp->mlx_attach &= ~MLXCX_ATTACH_WQS;
mlxp->mlx_attach |= MLXCX_ATTACH_WQS;
VERIFY((mlxp->mlx_attach & (MLXCX_ATTACH_CQS | MLXCX_ATTACH_WQS)) == 0);