ofed/libibumad/umad.c

104 static int find_cached_ca(const char *ca_name, umad_ca_t * ca)
130 static int get_port(const char *ca_name, const char *dir, int portnum, umad_port_t * port)
138 	strncpy(port->ca_name, ca_name, sizeof port->ca_name - 1);
185 		       port->ca_name, port->portnum, port_dir);
240 static int resolve_ca_port(const char *ca_name, int *port)
246 	TRACE("checking ca '%s'", ca_name);
248 	if (umad_get_ca(ca_name, &ca) < 0)
323 static const char *resolve_ca_name(const char *ca_name, int *best_port)
329 	if (ca_name && (!best_port || *best_port))
330 		return ca_name;
332 	if (ca_name) {
333 		if (resolve_ca_port(ca_name, best_port) < 0)
335 		return ca_name;
381 static int get_ca(const char *ca_name, umad_ca_t * ca)
390 	strncpy(ca->ca_name, ca_name, sizeof(ca->ca_name) - 1);
393 		 ca->ca_name);
413 		 SYS_INFINIBAND, ca->ca_name, SYS_CA_PORTS_DIR);
437 		if (get_port(ca_name, dir_name, portnum, ca->ports[portnum]) <
533 static unsigned is_ib_type(const char *ca_name)
538 	snprintf(dir_name, sizeof(dir_name), "%s/%s", SYS_INFINIBAND, ca_name);
576 int umad_get_ca_portguids(const char *ca_name, __be64 *portguids, int max)
581 	TRACE("ca name %s max port guids %d", ca_name, max);
582 	if (!(ca_name = resolve_ca_name(ca_name, NULL)))
585 	if (umad_get_ca(ca_name, &ca) < 0)
600 	DEBUG("%s: %d ports", ca_name, ports);
605 int umad_get_issm_path(const char *ca_name, int portnum, char path[], int max)
609 	TRACE("ca %s port %d", ca_name, portnum);
611 	if (!(ca_name = resolve_ca_name(ca_name, &portnum)))
614 	if ((umad_id = dev_to_umad_id(ca_name, portnum)) < 0)
622 int umad_open_port(const char *ca_name, int portnum)
627 	TRACE("ca %s port %d", ca_name, portnum);
629 	if (!(ca_name = resolve_ca_name(ca_name, &portnum)))
632 	DEBUG("opening %s port %d", ca_name, portnum);
634 	if ((umad_id = dev_to_umad_id(ca_name, portnum)) < 0)
654 int umad_get_ca(const char *ca_name, umad_ca_t * ca)
658 	TRACE("ca_name %s", ca_name);
659 	if (!(ca_name = resolve_ca_name(ca_name, NULL)))
662 	if (find_cached_ca(ca_name, ca) > 0)
665 	if ((r = get_ca(ca_name, ca)) < 0)
668 	DEBUG("opened %s", ca_name);
676 	TRACE("ca_name %s", ca->ca_name);
683 	DEBUG("releasing %s", ca->ca_name);
687 int umad_get_port(const char *ca_name, int portnum, umad_port_t * port)
691 	TRACE("ca_name %s portnum %d", ca_name, portnum);
693 	if (!(ca_name = resolve_ca_name(ca_name, &portnum)))
697 		 SYS_INFINIBAND, ca_name, SYS_CA_PORTS_DIR);
699 	return get_port(ca_name, dir_name, portnum, port);
706 	TRACE("port %s:%d", port->ca_name, port->portnum);
713 	DEBUG("releasing %s:%d", port->ca_name, port->portnum);