1 /* $NetBSD: freebsd_file.c,v 1.28 2007/07/17 20:33:17 christos Exp $ */ 2 3 /* 4 * Copyright (c) 1995 Frank van der Linden 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed for the NetBSD Project 18 * by Frank van der Linden 19 * 4. The name of the author may not be used to endorse or promote products 20 * derived from this software without specific prior written permission 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 * 33 * from: linux_file.c,v 1.3 1995/04/04 04:21:30 mycroft Exp 34 */ 35 36 #include <sys/cdefs.h> 37 __KERNEL_RCSID(0, "$NetBSD: freebsd_file.c,v 1.28 2007/07/17 20:33:17 christos Exp $"); 38 39 #if defined(_KERNEL_OPT) 40 #include "fs_nfs.h" 41 #endif 42 43 #include <sys/param.h> 44 #include <sys/systm.h> 45 #include <sys/namei.h> 46 #include <sys/proc.h> 47 #include <sys/file.h> 48 #include <sys/stat.h> 49 #include <sys/filedesc.h> 50 #include <sys/ioctl.h> 51 #include <sys/kernel.h> 52 #include <sys/mount.h> 53 #include <sys/malloc.h> 54 55 #include <sys/syscallargs.h> 56 57 #include <compat/freebsd/freebsd_syscallargs.h> 58 #include <compat/common/compat_util.h> 59 #include <compat/sys/mount.h> 60 61 #define ARRAY_LENGTH(array) (sizeof(array)/sizeof(array[0])) 62 63 static const char * convert_from_freebsd_mount_type __P((int)); 64 65 static const char * 66 convert_from_freebsd_mount_type(type) 67 int type; 68 { 69 static const char * const netbsd_mount_type[] = { 70 NULL, /* 0 = MOUNT_NONE */ 71 "ffs", /* 1 = "Fast" Filesystem */ 72 "nfs", /* 2 = Network Filesystem */ 73 "mfs", /* 3 = Memory Filesystem */ 74 "msdos", /* 4 = MSDOS Filesystem */ 75 "lfs", /* 5 = Log-based Filesystem */ 76 "lofs", /* 6 = Loopback filesystem */ 77 "fdesc", /* 7 = File Descriptor Filesystem */ 78 "portal", /* 8 = Portal Filesystem */ 79 "null", /* 9 = Minimal Filesystem Layer */ 80 "umap", /* 10 = User/Group Identifier Remapping Filesystem */ 81 "kernfs", /* 11 = Kernel Information Filesystem */ 82 "procfs", /* 12 = /proc Filesystem */ 83 "afs", /* 13 = Andrew Filesystem */ 84 "cd9660", /* 14 = ISO9660 (aka CDROM) Filesystem */ 85 "union", /* 15 = Union (translucent) Filesystem */ 86 NULL, /* 16 = "devfs" - existing device Filesystem */ 87 #if 0 /* These filesystems don't exist in FreeBSD */ 88 "adosfs", /* ?? = AmigaDOS Filesystem */ 89 #endif 90 }; 91 92 if (type < 0 || type >= ARRAY_LENGTH(netbsd_mount_type)) 93 return (NULL); 94 return (netbsd_mount_type[type]); 95 } 96 97 int 98 freebsd_sys_mount(l, v, retval) 99 struct lwp *l; 100 void *v; 101 register_t *retval; 102 { 103 struct freebsd_sys_mount_args /* { 104 syscallarg(int) type; 105 syscallarg(char *) path; 106 syscallarg(int) flags; 107 syscallarg(void *) data; 108 } */ *uap = v; 109 const char *type; 110 struct vfsops *vfsops; 111 register_t dummy; 112 113 if ((type = convert_from_freebsd_mount_type(SCARG(uap, type))) == NULL) 114 return ENODEV; 115 vfsops = vfs_getopsbyname(type); 116 if (vfsops == NULL) 117 return ENODEV; 118 119 return do_sys_mount(l, vfsops, NULL, SCARG(uap, path), 120 SCARG(uap, flags), SCARG(uap, data), UIO_USERSPACE, 0, &dummy); 121 } 122 123 /* XXX - UNIX domain: int freebsd_sys_bind(int s, void *name, int namelen); */ 124 /* XXX - UNIX domain: int freebsd_sys_connect(int s, void *name, int namelen); */ 125