libibumad/src/umad.c

108 release_port(umad_port_t *port)
110 	free(port->pkeys);
111 	port->pkeys = NULL;
112 	port->pkeys_size = 0;
125 get_port(char *ca_name, char *dir, int portnum, umad_port_t *port)
132 	strncpy(port->ca_name, ca_name, sizeof port->ca_name - 1);
133 	port->portnum = portnum;
134 	port->pkeys = NULL;
140 	if (sys_read_uint(port_dir, SYS_PORT_LMC, &port->lmc) < 0)
142 	if (sys_read_uint(port_dir, SYS_PORT_SMLID, &port->sm_lid) < 0)
144 	if (sys_read_uint(port_dir, SYS_PORT_SMSL, &port->sm_sl) < 0)
146 	if (sys_read_uint(port_dir, SYS_PORT_LID, &port->base_lid) < 0)
148 	if (sys_read_uint(port_dir, SYS_PORT_STATE, &port->state) < 0)
150 	if (sys_read_uint(port_dir, SYS_PORT_PHY_STATE, &port->phys_state) < 0)
152 	if (sys_read_uint(port_dir, SYS_PORT_RATE, &port->rate) < 0)
154 	if (sys_read_uint64(port_dir, SYS_PORT_CAPMASK, &port->capmask) < 0)
157 	port->capmask = htonl(port->capmask);
162 	memcpy(&port->gid_prefix, gid, sizeof port->gid_prefix);
163 	memcpy(&port->port_guid, gid + 8, sizeof port->port_guid);
169 		       port->ca_name, port->portnum, port_dir);
172 	port->pkeys = calloc(ret, sizeof(port->pkeys[0]));
173 	if (!port->pkeys) {
181 		port->pkeys[idx] = val;
184 	port->pkeys_size = ret;
199 	if (port->pkeys)
200 		free(port->pkeys);
220  * if *port > 0, check ca[port] state. Otherwise set *port to
221  * the first port that is active, and if such is not found, to
222  * the first port that is link up and if none are linkup, then
223  * the first port that is not disabled.  Otherwise return -1.
226 resolve_ca_port(char *ca_name, int *port)
238 		*port = 0;	/* switch sma port 0 */
242 	if (*port > 0) {	/* check only the port the user wants */
243 		if (*port > ca.numports)
245 		if (!ca.ports[*port])
247 		if (ca.ports[*port]->state == 4)
249 		if (ca.ports[*port]->phys_state != 3)
255 		DEBUG("checking port %d", i);
259 			up = *port = i;
261 			active = *port = i;
262 			DEBUG("found active port %d", i);
267 	if (active == -1 && up == -1) { /* no active or linkup port found */
269 			DEBUG("checking port %d", i);
273 				up = *port = i;
292 	int phys_found = -1, port_found = 0, port, port_type;
308 	/* Find the first existing CA with an active port */
312 		port = best_port ? *best_port : 0;
313 		if ((port_type = resolve_ca_port(names[caidx], &port)) < 0)
316 		DEBUG("found ca %s with port %d type %d",
317 			names[caidx], port, port_type);
321 				*best_port = port;
322 			DEBUG("found ca %s with active port %d",
323 			      names[caidx], port);
329 			port_found = port;
333 	DEBUG("phys found %d on %s port %d",
443 umad_id_to_dev(int umad_id, char *dev, unsigned *port)
453 	if ((r = sys_read_uint(path, SYS_IB_MAD_PORT, port)) < 0)
460 dev_to_umad_id(char *dev, unsigned port)
471 		if (port != umad_port)
474 		DEBUG("mapped %s %d to %d", dev, port, id);
560 	TRACE("ca name %s max port guids %d", ca_name, max);
588 	TRACE("ca %s port %d", ca_name, portnum);
607 	TRACE("ca %s port %d", ca_name, portnum);
612 	DEBUG("opening %s port %d", ca_name, portnum);
670 umad_get_port(char *ca_name, int portnum, umad_port_t *port)
682 	return get_port(ca_name, dir_name, portnum, port);
686 umad_release_port(umad_port_t *port)
690 	TRACE("port %s:%d", port->ca_name, port->portnum);
691 	if (!port)
694 	if ((r = release_port(port)) < 0)
697 	DEBUG("releasing %s:%d", port->ca_name, port->portnum);