1 /*	$NetBSD: netbsd32_compat_50_quota.c,v 1.2 2021/01/19 03:20:13 simonb Exp $	*/
2 
3 /*-
4  * Copyright (c) 2008, 2020 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: netbsd32_compat_50_quota.c,v 1.2 2021/01/19 03:20:13 simonb Exp $");
33 
34 #if defined(_KERNEL_OPT)
35 #include "opt_compat_netbsd.h"
36 #include "opt_compat_netbsd32.h"
37 #include "opt_quota.h"
38 #endif
39 
40 
41 #include <sys/param.h>
42 #include <sys/systm.h>
43 #include <sys/module.h>
44 #include <sys/syscallargs.h>
45 #include <sys/syscallvar.h>
46 
47 #include <compat/netbsd32/netbsd32.h>
48 #include <compat/netbsd32/netbsd32_syscall.h>
49 #include <compat/netbsd32/netbsd32_syscallargs.h>
50 
51 #if defined(COMPAT_50) && defined(QUOTA)
52 
53 int
compat_50_netbsd32_quotactl(struct lwp * l,const struct compat_50_netbsd32_quotactl_args * uap,register_t * retval)54 compat_50_netbsd32_quotactl(struct lwp *l, const struct compat_50_netbsd32_quotactl_args *uap, register_t *retval)
55 {
56 	/* {
57 		syscallarg(const netbsd32_charp) path;
58 		syscallarg(int) cmd;
59 		syscallarg(int) uid;
60 		syscallarg(netbsd32_voidp) arg;
61 	} */
62 	struct compat_50_sys_quotactl_args ua;
63 
64 	NETBSD32TOP_UAP(path, const char);
65 	NETBSD32TO64_UAP(cmd);
66 	NETBSD32TO64_UAP(uid);
67 	NETBSD32TOP_UAP(arg, void *);
68 	return compat_50_sys_quotactl(l, &ua, retval);
69 }
70 
71 static struct syscall_package compat_netbsd32_quota_50_syscalls[] = {
72 	{ NETBSD32_SYS_compat_50_netbsd32_quotactl, 0,
73 	    (sy_call_t *)compat_50_netbsd32_quotactl },
74 	{ 0, 0, NULL }
75 };
76 
77 MODULE(MODULE_CLASS_EXEC, compat_netbsd32_quota_50,
78     "compat_netbsd32_50,compat_50,compat_50_quota");
79 
80 static int
compat_netbsd32_quota_50_modcmd(modcmd_t cmd,void * arg)81 compat_netbsd32_quota_50_modcmd(modcmd_t cmd, void *arg)
82 {
83 	int ret;
84 
85 	switch (cmd) {
86 	case MODULE_CMD_INIT:
87                 ret = syscall_establish(&emul_netbsd32,
88 		    compat_netbsd32_quota_50_syscalls);
89 		return ret;
90 
91 	case MODULE_CMD_FINI:
92                 ret = syscall_disestablish(&emul_netbsd32,
93 		    compat_netbsd32_quota_50_syscalls);
94 		return ret;
95 
96 	default:
97 		return ENOTTY;
98 	}
99 }
100 #endif /* COMPAT_50 && QUOTA */
101