drm/i915: Fix hangs on some broadwell machines
[dragonfly.git] / contrib / amd / amd / amfs_root.c
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984263bc
MD
1/*
2 * Copyright (c) 1997-1999 Erez Zadok
3 * Copyright (c) 1990 Jan-Simon Pendry
4 * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
5 * Copyright (c) 1990 The Regents of the University of California.
6 * All rights reserved.
7 *
8 * This code is derived from software contributed to Berkeley by
9 * Jan-Simon Pendry at Imperial College, London.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. All advertising materials mentioning features or use of this software
20 * must display the following acknowledgment:
21 * This product includes software developed by the University of
22 * California, Berkeley and its contributors.
23 * 4. Neither the name of the University nor the names of its contributors
24 * may be used to endorse or promote products derived from this software
25 * without specific prior written permission.
26 *
27 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
28 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
29 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
30 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
31 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37 * SUCH DAMAGE.
38 *
39 * %W% (Berkeley) %G%
40 *
41 * $Id: amfs_root.c,v 1.2 1999/01/10 21:53:43 ezk Exp $
42 *
43 */
44
45/*
46 * Root file system
47 */
48
49#ifdef HAVE_CONFIG_H
50# include <config.h>
51#endif /* HAVE_CONFIG_H */
52#include <am_defs.h>
53#include <amd.h>
54
55/****************************************************************************
56 *** FORWARD DEFINITIONS ***
57 ****************************************************************************/
58static int amfs_root_mount(am_node *mp);
59
60/****************************************************************************
61 *** OPS STRUCTURES ***
62 ****************************************************************************/
63am_ops amfs_root_ops =
64{
65 "root",
66 0, /* amfs_root_match */
67 0, /* amfs_root_init */
68 amfs_root_mount,
69 0,
70 amfs_auto_umount,
71 0,
72 amfs_auto_lookuppn,
73 amfs_auto_readdir,
74 0, /* amfs_root_readlink */
75 0, /* amfs_root_mounted */
76 0, /* amfs_root_umounted */
77 find_amfs_auto_srvr,
78 FS_NOTIMEOUT | FS_AMQINFO | FS_DIRECTORY
79};
80
81
82/****************************************************************************
83 *** FUNCTIONS ***
84 ****************************************************************************/
85
86/*
87 * Mount the root...
88 */
89static int
90amfs_root_mount(am_node *mp)
91{
92 mntfs *mf = mp->am_mnt;
93
94 mf->mf_mount = strealloc(mf->mf_mount, pid_fsname);
95 mf->mf_private = (voidp) mapc_find(mf->mf_info, "", NULL);
96 mf->mf_prfree = mapc_free;
97
98 return 0;
99}