1 /* $NetBSD: netbsd32_compat_90.c,v 1.2 2023/07/29 13:57:28 pgoyette Exp $ */
2
3 /*-
4 * Copyright (c) 2019 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software developed for 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
32 #include <sys/cdefs.h>
33 __KERNEL_RCSID(0, "$NetBSD: netbsd32_compat_90.c,v 1.2 2023/07/29 13:57:28 pgoyette Exp $");
34
35 #include <sys/param.h>
36 #include <sys/kmem.h>
37 #include <sys/module.h>
38 #include <sys/filedesc.h>
39 #include <sys/statvfs.h>
40 #include <sys/vfs_syscalls.h>
41 #include <sys/syscallvar.h>
42
43 #include <compat/netbsd32/netbsd32.h>
44 #include <compat/netbsd32/netbsd32_syscall.h>
45 #include <compat/netbsd32/netbsd32_syscallargs.h>
46 #include <compat/netbsd32/netbsd32_conv.h>
47
48 static int
netbsd32_copyout_statvfs90(const void * kp,void * up,size_t len)49 netbsd32_copyout_statvfs90(const void *kp, void *up, size_t len)
50 {
51 struct netbsd32_statvfs90 *sbuf_32;
52 int error;
53
54 sbuf_32 = kmem_alloc(sizeof(*sbuf_32), KM_SLEEP);
55 netbsd32_from_statvfs90(kp, sbuf_32);
56 error = copyout(sbuf_32, up, sizeof(*sbuf_32));
57 kmem_free(sbuf_32, sizeof(*sbuf_32));
58
59 return error;
60 }
61
62 int
compat_90_netbsd32_getvfsstat(struct lwp * l,const struct compat_90_netbsd32_getvfsstat_args * uap,register_t * retval)63 compat_90_netbsd32_getvfsstat(struct lwp *l,
64 const struct compat_90_netbsd32_getvfsstat_args *uap, register_t *retval)
65 {
66 /* {
67 syscallarg(netbsd32_statvfs90p_t) buf;
68 syscallarg(netbsd32_size_t) bufsize;
69 syscallarg(int) flags;
70 } */
71
72 return do_sys_getvfsstat(l, SCARG_P32(uap, buf), SCARG(uap, bufsize),
73 SCARG(uap, flags), netbsd32_copyout_statvfs90,
74 sizeof(struct netbsd32_statvfs90), retval);
75 }
76
77 int
compat_90_netbsd32_statvfs1(struct lwp * l,const struct compat_90_netbsd32_statvfs1_args * uap,register_t * retval)78 compat_90_netbsd32_statvfs1(struct lwp *l,
79 const struct compat_90_netbsd32_statvfs1_args *uap, register_t *retval)
80 {
81 /* {
82 syscallarg(const netbsd32_charp) path;
83 syscallarg(netbsd32_statvfs90p_t) buf;
84 syscallarg(int) flags;
85 } */
86 struct statvfs *sb;
87 int error;
88
89 sb = STATVFSBUF_GET();
90 error = do_sys_pstatvfs(l, SCARG_P32(uap, path), SCARG(uap, flags), sb);
91 if (error == 0)
92 error = netbsd32_copyout_statvfs90(sb, SCARG_P32(uap, buf),
93 sizeof(struct netbsd32_statvfs90));
94 STATVFSBUF_PUT(sb);
95 return error;
96 }
97
98 int
compat_90_netbsd32_fstatvfs1(struct lwp * l,const struct compat_90_netbsd32_fstatvfs1_args * uap,register_t * retval)99 compat_90_netbsd32_fstatvfs1(struct lwp *l,
100 const struct compat_90_netbsd32_fstatvfs1_args *uap, register_t *retval)
101 {
102 /* {
103 syscallarg(int) fd;
104 syscallarg(netbsd32_statvfs90p_t) buf;
105 syscallarg(int) flags;
106 } */
107 struct statvfs *sb;
108 int error;
109
110 sb = STATVFSBUF_GET();
111 error = do_sys_fstatvfs(l, SCARG(uap, fd), SCARG(uap, flags), sb);
112 if (error == 0)
113 error = netbsd32_copyout_statvfs90(sb, SCARG_P32(uap, buf), 0);
114 STATVFSBUF_PUT(sb);
115 return error;
116 }
117
118
119 int
compat_90_netbsd32_fhstatvfs1(struct lwp * l,const struct compat_90_netbsd32_fhstatvfs1_args * uap,register_t * retval)120 compat_90_netbsd32_fhstatvfs1(struct lwp *l,
121 const struct compat_90_netbsd32_fhstatvfs1_args *uap, register_t *retval)
122 {
123 /* {
124 syscallarg(const netbsd32_pointer_t) fhp;
125 syscallarg(netbsd32_size_t) fh_size;
126 syscallarg(netbsd32_statvfs90p_t) buf;
127 syscallarg(int) flags;
128 } */
129 struct statvfs *sb;
130 int error;
131
132 sb = STATVFSBUF_GET();
133 error = do_fhstatvfs(l, SCARG_P32(uap, fhp), SCARG(uap, fh_size), sb,
134 SCARG(uap, flags));
135
136 if (error == 0)
137 error = netbsd32_copyout_statvfs90(sb, SCARG_P32(uap, buf), 0);
138 STATVFSBUF_PUT(sb);
139
140 return error;
141 }
142
143 static struct syscall_package compat_netbsd32_90_syscalls[] = {
144 { NETBSD32_SYS_compat_90_netbsd32_getvfsstat, 0,
145 (sy_call_t *)compat_90_netbsd32_getvfsstat },
146 { NETBSD32_SYS_compat_90_netbsd32_statvfs1, 0,
147 (sy_call_t *)compat_90_netbsd32_statvfs1 },
148 { NETBSD32_SYS_compat_90_netbsd32_fstatvfs1, 0,
149 (sy_call_t *)compat_90_netbsd32_fstatvfs1 },
150 { NETBSD32_SYS_compat_90_netbsd32_fhstatvfs1, 0,
151 (sy_call_t *)compat_90_netbsd32_fhstatvfs1 },
152 { 0, 0, NULL }
153 };
154
155 MODULE(MODULE_CLASS_EXEC, compat_netbsd32_90, "compat_netbsd32_100,compat_90");
156
157
158 static int
compat_netbsd32_90_modcmd(modcmd_t cmd,void * arg)159 compat_netbsd32_90_modcmd(modcmd_t cmd, void *arg)
160 {
161
162 switch (cmd) {
163 case MODULE_CMD_INIT:
164 return syscall_establish(&emul_netbsd32,
165 compat_netbsd32_90_syscalls);
166
167 case MODULE_CMD_FINI:
168 return syscall_disestablish(&emul_netbsd32,
169 compat_netbsd32_90_syscalls);
170
171 default:
172 return ENOTTY;
173 }
174 }
175