1 /* $NetBSD: vfs_syscalls_90.c,v 1.1 2019/09/22 22:59:38 christos Exp $ */
2
3 /*-
4 * Copyright (c) 2005, 2008 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Christos Zoulas.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31 #include <sys/cdefs.h>
32 __KERNEL_RCSID(0, "$NetBSD: vfs_syscalls_90.c,v 1.1 2019/09/22 22:59:38 christos Exp $");
33
34 #if defined(_KERNEL_OPT)
35 #include "opt_compat_netbsd.h"
36 #endif
37
38 #include <sys/param.h>
39 #include <sys/systm.h>
40 #include <sys/namei.h>
41 #include <sys/filedesc.h>
42 #include <sys/kernel.h>
43 #include <sys/file.h>
44 #include <sys/stat.h>
45 #include <sys/socketvar.h>
46 #include <sys/vnode.h>
47 #include <sys/mount.h>
48 #include <sys/proc.h>
49 #include <sys/uio.h>
50 #include <sys/dirent.h>
51 #include <sys/malloc.h>
52 #include <sys/kauth.h>
53 #include <sys/vfs_syscalls.h>
54 #include <sys/syscall.h>
55 #include <sys/syscallvar.h>
56 #include <sys/syscallargs.h>
57
58 #include <compat/common/compat_mod.h>
59 #include <compat/common/compat_util.h>
60 #include <compat/sys/statvfs.h>
61
62 static const struct syscall_package vfs_syscalls_90_syscalls[] = {
63 { SYS_compat_90_getvfsstat, 0, (sy_call_t *)compat_90_sys_getvfsstat },
64 { SYS_compat_90_statvfs1, 0, (sy_call_t *)compat_90_sys_statvfs1 },
65 { SYS_compat_90_fstatvfs1, 0, (sy_call_t *)compat_90_sys_fstatvfs1 },
66 { SYS_compat_90_fhstatvfs1, 0, (sy_call_t *)compat_90_sys_fhstatvfs1 },
67 { 0,0, NULL }
68 };
69
70
71 int
compat_90_sys_getvfsstat(struct lwp * l,const struct compat_90_sys_getvfsstat_args * uap,register_t * retval)72 compat_90_sys_getvfsstat(struct lwp *l,
73 const struct compat_90_sys_getvfsstat_args *uap, register_t *retval)
74 {
75 /* {
76 syscallarg(struct statvfs90 *) buf;
77 syscallarg(size_t) bufsize;
78 syscallarg(int) flags;
79 } */
80
81 return do_sys_getvfsstat(l, SCARG(uap, buf), SCARG(uap, bufsize),
82 SCARG(uap, flags), statvfs_to_statvfs90_copy,
83 sizeof(struct statvfs90), retval);
84 }
85
86 int
compat_90_sys_statvfs1(struct lwp * l,const struct compat_90_sys_statvfs1_args * uap,register_t * retval)87 compat_90_sys_statvfs1(struct lwp *l,
88 const struct compat_90_sys_statvfs1_args *uap, register_t *retval)
89 {
90 /* {
91 syscallarg(const char *) path;
92 syscallarg(struct statvfs90 *) buf;
93 syscallarg(int) flags;
94 } */
95
96 struct statvfs *sb = STATVFSBUF_GET();
97 int error = do_sys_pstatvfs(l, SCARG(uap, path), SCARG(uap, flags), sb);
98
99 if (!error)
100 error = statvfs_to_statvfs90_copy(sb, SCARG(uap, buf),
101 sizeof(struct statvfs90));
102
103 STATVFSBUF_PUT(sb);
104 return error;
105 }
106
107 int
compat_90_sys_fstatvfs1(struct lwp * l,const struct compat_90_sys_fstatvfs1_args * uap,register_t * retval)108 compat_90_sys_fstatvfs1(struct lwp *l,
109 const struct compat_90_sys_fstatvfs1_args *uap, register_t *retval)
110 {
111 /* {
112 syscallarg(int) fd;
113 syscallarg(struct statvfs90 *) buf;
114 syscallarg(int) flags;
115 } */
116
117 struct statvfs *sb = STATVFSBUF_GET();
118 int error = do_sys_fstatvfs(l, SCARG(uap, fd), SCARG(uap, flags), sb);
119
120 if (!error)
121 error = statvfs_to_statvfs90_copy(sb, SCARG(uap, buf),
122 sizeof(struct statvfs90));
123
124 STATVFSBUF_PUT(sb);
125 return error;
126 }
127
128 int
compat_90_sys_fhstatvfs1(struct lwp * l,const struct compat_90_sys_fhstatvfs1_args * uap,register_t * retval)129 compat_90_sys_fhstatvfs1(struct lwp *l,
130 const struct compat_90_sys_fhstatvfs1_args *uap, register_t *retval)
131 {
132 /* {
133 syscallarg(const void *) fhp;
134 syscallarg(size_t) fh_size;
135 syscallarg(struct statvfs90 *) buf;
136 syscallarg(int) flags;
137 } */
138
139 struct statvfs *sb = STATVFSBUF_GET();
140 int error = do_fhstatvfs(l, SCARG(uap, fhp), SCARG(uap, fh_size),
141 sb, SCARG(uap, flags));
142
143 if (!error)
144 error = statvfs_to_statvfs90_copy(sb, SCARG(uap, buf),
145 sizeof(struct statvfs90));
146
147 STATVFSBUF_PUT(sb);
148 return error;
149 }
150
151 int
vfs_syscalls_90_init(void)152 vfs_syscalls_90_init(void)
153 {
154
155 return syscall_establish(NULL, vfs_syscalls_90_syscalls);
156 }
157
158 int
vfs_syscalls_90_fini(void)159 vfs_syscalls_90_fini(void)
160 {
161
162 return syscall_disestablish(NULL, vfs_syscalls_90_syscalls);
163 }
164