> > so what's the role of the char-device? why should a low-level driver which is > part of the upstream RDMA stack contain a char-device? > > Or. > Contains additional char devices: - PSM character device - diagnostic character devices The nature of the hardware requires both of these additional devices that don't fit as part of the RDMA stack. Mike ��.n��������+%������w��{.n�����{���fk��ܨ}���Ơz�j:+v�����w����ޙ��&�)ߡ�a����z�ޗ���ݢj��w�f