/* $NetBSD: freebsd_file.c,v 1.34 2015/10/23 19:40:10 maxv Exp $ */

/* $NetBSD: freebsd_file.c,v 1.34 2015/10/23 19:40:10 maxv Exp $ */

/*
* Copyright (c) 1995 Frank van der Linden
* All rights reserved.
*
* 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 for the NetBSD Project
* by Frank van der Linden
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*
* from: linux_file.c,v 1.3 1995/04/04 04:21:30 mycroft Exp
*/

#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: freebsd_file.c,v 1.34 2015/10/23 19:40:10 maxv Exp $");

#include <sys/param.h>
#include <sys/systm.h>
#include <sys/namei.h>
#include <sys/proc.h>
#include <sys/file.h>
#include <sys/stat.h>
#include <sys/filedesc.h>
#include <sys/ioctl.h>
#include <sys/kernel.h>
#include <sys/mount.h>

#include <sys/syscallargs.h>

#include <compat/freebsd/freebsd_syscallargs.h>
#include <compat/common/compat_util.h>
#include <compat/sys/mount.h>

#define ARRAY_LENGTH(array) (sizeof(array)/sizeof(array[0]))

static const char * convert_from_freebsd_mount_type(int);

static const char *
convert_from_freebsd_mount_type(int type)
{
static const char * const netbsd_mount_type[] = {
NULL, /* 0 = MOUNT_NONE */
"ffs", /* 1 = "Fast" Filesystem */
"nfs", /* 2 = Network Filesystem */
"mfs", /* 3 = Memory Filesystem */
"msdos", /* 4 = MSDOS Filesystem */
"lfs", /* 5 = Log-based Filesystem */
"lofs", /* 6 = Loopback filesystem */
"fdesc", /* 7 = File Descriptor Filesystem */
"portal", /* 8 = Portal Filesystem */
"null", /* 9 = Minimal Filesystem Layer */
"umap", /* 10 = User/Group Identifier Remapping Filesystem */
"kernfs", /* 11 = Kernel Information Filesystem */
"procfs", /* 12 = /proc Filesystem */
"afs", /* 13 = Andrew Filesystem */
"cd9660", /* 14 = ISO9660 (aka CDROM) Filesystem */
"union", /* 15 = Union (translucent) Filesystem */
NULL, /* 16 = "devfs" - existing device Filesystem */
#if 0 /* These filesystems don't exist in FreeBSD */
"adosfs", /* ?? = AmigaDOS Filesystem */
#endif
};

if (type < 0 || type >= ARRAY_LENGTH(netbsd_mount_type))
return (NULL);
return (netbsd_mount_type[type]);
}

int
freebsd_sys_mount(struct lwp *l, const struct freebsd_sys_mount_args *uap, register_t *retval)
{
/* {
syscallarg(int) type;
syscallarg(char *) path;
syscallarg(int) flags;
syscallarg(void *) data;
} */
const char *type;
register_t dummy;

if ((type = convert_from_freebsd_mount_type(SCARG(uap, type))) == NULL)
return ENODEV;

return do_sys_mount(l, type, UIO_SYSSPACE, SCARG(uap, path),
SCARG(uap, flags), SCARG(uap, data), UIO_USERSPACE, 0, &dummy);
}

/* XXX - UNIX domain: int freebsd_sys_bind(int s, void *name, int namelen); */
/* XXX - UNIX domain: int freebsd_sys_connect(int s, void *name, int namelen); */