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      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
     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
     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