2 * Copyright (c) 2006 Kip Macy
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 #include <sys/cdefs.h>
29 __FBSDID("$FreeBSD$");
31 #include <sys/param.h>
32 #include <sys/endian.h>
33 #include <sys/systm.h>
34 #include <sys/sockio.h>
36 #include <sys/malloc.h>
37 #include <sys/kernel.h>
38 #include <sys/module.h>
39 #include <sys/socket.h>
41 #include <sys/mutex.h>
42 #include <sys/taskqueue.h>
44 #include <machine/bus.h>
45 #include <machine/resource.h>
49 #include <sys/types.h>
50 #include <sys/param.h>
51 #include <machine/mdesc_bus.h>
52 #include <machine/cddl/mdesc.h>
56 md_vdev_find_node(device_t dev, mde_cookie_t *valp)
59 mde_cookie_t rootnode, node, *listp = NULL;
60 int i, listsz, num_nodes, num_devices, error;
63 cfg_handle = mdesc_bus_get_handle(dev);
67 if ((mdp = md_get()) == NULL)
70 num_nodes = md_node_count(mdp);
71 listsz = num_nodes * sizeof(mde_cookie_t);
72 listp = (mde_cookie_t *)malloc(listsz, M_DEVBUF, M_WAITOK);
73 rootnode = md_root_node(mdp);
76 num_devices = md_scan_dag(mdp, rootnode,
77 md_find_name(mdp, "virtual-device"),
78 md_find_name(mdp, "fwd"), listp);
80 if (num_devices == 0) {
85 for (i = 0; i < num_devices; i++) {
89 md_get_prop_val(mdp, node, "cfg-handle", &thandle);
90 if (thandle == cfg_handle) {