drm/i915: Fix hangs on some broadwell machines
[dragonfly.git] / contrib / amd / amd / ops_xfs.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: ops_xfs.c,v 1.2 1999/01/10 21:53:52 ezk Exp $
42 *
43 */
44
45/*
46 * Irix UN*X file system: XFS (Extended 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/* forward declarations */
56static char * xfs_match(am_opts *fo);
57static int xfs_fmount(mntfs *mf);
58static int xfs_fumount(mntfs *mf);
59
60/*
61 * Ops structure
62 */
63am_ops xfs_ops =
64{
65 "xfs",
66 xfs_match,
67 0, /* xfs_init */
68 amfs_auto_fmount,
69 xfs_fmount,
70 amfs_auto_fumount,
71 xfs_fumount,
72 amfs_error_lookuppn,
73 amfs_error_readdir,
74 0, /* xfs_readlink */
75 0, /* xfs_mounted */
76 0, /* xfs_umounted */
77 find_amfs_auto_srvr,
78 FS_MKMNT | FS_NOTIMEOUT | FS_UBACKGROUND | FS_AMQINFO
79};
80
81
82/*
83 * XFS needs local filesystem and device.
84 */
85static char *
86xfs_match(am_opts *fo)
87{
88
89 if (!fo->opt_dev) {
90 plog(XLOG_USER, "xfs: no device specified");
91 return 0;
92 }
93
94#ifdef DEBUG
95 dlog("XFS: mounting device \"%s\" on \"%s\"", fo->opt_dev, fo->opt_fs);
96#endif /* DEBUG */
97
98 /*
99 * Determine magic cookie to put in mtab
100 */
101 return strdup(fo->opt_dev);
102}
103
104
105static int
106mount_xfs(char *dir, char *fs_name, char *opts)
107{
108 xfs_args_t xfs_args;
109 mntent_t mnt;
110 int flags;
111
112 /*
113 * Figure out the name of the file system type.
114 */
115 MTYPE_TYPE type = MOUNT_TYPE_XFS;
116
117 memset((voidp) &xfs_args, 0, sizeof(xfs_args)); /* Paranoid */
118
119 /*
120 * Fill in the mount structure
121 */
122 memset((voidp) &mnt, 0, sizeof(mnt));
123 mnt.mnt_dir = dir;
124 mnt.mnt_fsname = fs_name;
125 mnt.mnt_type = MNTTAB_TYPE_XFS;
126 mnt.mnt_opts = opts;
127
128 flags = compute_mount_flags(&mnt);
129
130#ifdef HAVE_FIELD_XFS_ARGS_T_FLAGS
131 xfs_args.flags = 0; /* XXX: fix this to correct flags */
132#endif /* HAVE_FIELD_XFS_ARGS_T_FLAGS */
133#ifdef HAVE_FIELD_XFS_ARGS_T_FSPEC
134 xfs_args.fspec = fs_name;
135#endif /* HAVE_FIELD_XFS_ARGS_T_FSPEC */
136
137 /*
138 * Call generic mount routine
139 */
140 return mount_fs(&mnt, flags, (caddr_t) &xfs_args, 0, type, 0, NULL, mnttab_file_name);
141}
142
143
144static int
145xfs_fmount(mntfs *mf)
146{
147 int error;
148
149 error = mount_xfs(mf->mf_mount, mf->mf_info, mf->mf_mopts);
150 if (error) {
151 errno = error;
152 plog(XLOG_ERROR, "mount_xfs: %m");
153 return error;
154 }
155
156 return 0;
157}
158
159
160static int
161xfs_fumount(mntfs *mf)
162{
163 return UMOUNT_FS(mf->mf_mount, mnttab_file_name);
164}