1/*	$NetBSD: db_autoconf.c,v 1.3 2022/03/28 12:38:58 riastradh Exp $	*/
2
3/*-
4 * Copyright (c) 2016 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#include <sys/cdefs.h>
30__KERNEL_RCSID(0, "$NetBSD: db_autoconf.c,v 1.3 2022/03/28 12:38:58 riastradh Exp $");
31
32#ifndef _KERNEL
33#include <stdbool.h>
34#endif
35
36#include <sys/param.h>
37#include <sys/device.h>
38#include <sys/device_impl.h>
39
40#include <ddb/ddb.h>
41
42static const char *classnames[] = {
43	"dull", "cpu", "disk", "ifnet", "tape", "tty",
44	"audiodev", "displaydev", "bus", "virtual"
45};
46
47struct device *
48db_device_first(void)
49{
50
51	return db_read_ptr("alldevs");
52}
53
54struct device *
55db_device_next(struct device *dv)
56{
57
58	db_read_bytes((db_addr_t)&dv->dv_list.tqe_next, sizeof(dv),
59	    (char *)&dv);
60	return dv;
61}
62
63void
64db_show_all_devices(db_expr_t addr, bool haddr, db_expr_t count,
65		  const char *modif)
66{
67	struct device buf;
68	struct device *dv;
69	const char *cl;
70
71	db_printf("%-16s %10s %4s %18s %18s\n",
72		"NAME","CLASS","UNIT","DEVICE_T","PRIVATE");
73
74	for (dv = db_device_first(); dv != NULL; dv = db_device_next(dv)) {
75		db_read_bytes((db_addr_t)dv, sizeof(buf), (char *)&buf);
76
77		unsigned i = buf.dv_class;
78
79		if (i >= __arraycount(classnames))
80			cl = "????";
81		else
82			cl = classnames[i];
83
84		db_printf("%-16.16s", buf.dv_xname);
85		db_printf(" %10s", cl);
86		db_printf(" %4u", buf.dv_unit);
87		db_printf(" %18" PRIxPTR, (uintptr_t)dv);
88		db_printf(" %18" PRIxPTR, (uintptr_t)buf.dv_private);
89		db_printf("\n");
90	}
91}
92