xref: /src/sys/compat/linux32/common/linux32_misc.c

/*	$NetBSD: linux32_misc.c,v 1.7.18.1 2007/12/26 19:49:23 ad Exp $	*/

/*-
 * Copyright (c) 1995, 1998, 1999 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by Frank van der Linden and Eric Haszlakiewicz; by Jason R. Thorpe
 * of the Numerical Aerospace Simulation Facility, NASA Ames Research Center;
 * by Edgar Fu\ss, Mathematisches Institut der Uni Bonn.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the NetBSD
 *	Foundation, Inc. and its contributors.
 * 4. Neither the name of The NetBSD Foundation nor the names of its
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: linux32_misc.c,v 1.7.18.1 2007/12/26 19:49:23 ad Exp $");

#include <sys/param.h>
#include <sys/proc.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/malloc.h>
#include <sys/fstypes.h>
#include <sys/vfs_syscalls.h>

#include <compat/netbsd32/netbsd32.h>
#include <compat/netbsd32/netbsd32_syscallargs.h>

#include <compat/linux32/common/linux32_types.h>
#include <compat/linux32/common/linux32_signal.h>
#include <compat/linux32/linux32_syscallargs.h>

#include <compat/linux/common/linux_types.h>
#include <compat/linux/common/linux_signal.h>
#include <compat/linux/common/linux_misc.h>
#include <compat/linux/common/linux_statfs.h>
#include <compat/linux/linux_syscallargs.h>

extern const struct linux_mnttypes linux_fstypes[];
extern const int linux_fstypes_cnt;


/*
 * Implement the fs stat functions. Straightforward.
 */
int
linux32_sys_statfs(struct lwp *l, const struct linux32_sys_statfs_args *uap, register_t *retval)
{
	/* {
		syscallarg(const netbsd32_charp char) path;
		syscallarg(linux32_statfsp) sp;
	} */
	struct statvfs *sb;
	struct linux_statfs ltmp;
	int error;

	sb = STATVFSBUF_GET();
	error = do_sys_pstatvfs(l, SCARG_P32(uap, path), ST_WAIT, sb);
	if (error == 0) {
		bsd_to_linux_statfs(sb, &ltmp);
		error = copyout(&ltmp, SCARG_P32(uap, sp), sizeof ltmp);
	}

	STATVFSBUF_PUT(sb);
	return error;
}