1/* 2 * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved. 3 * 4 * @APPLE_LICENSE_HEADER_START@ 5 * 6 * The contents of this file constitute Original Code as defined in and 7 * are subject to the Apple Public Source License Version 1.1 (the 8 * "License"). You may not use this file except in compliance with the 9 * License. Please obtain a copy of the License at 10 * http://www.apple.com/publicsource and read it before using this file. 11 * 12 * This Original Code and all software distributed under the License are 13 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER 14 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 15 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the 17 * License for the specific language governing rights and limitations 18 * under the License. 19 * 20 * @APPLE_LICENSE_HEADER_END@ 21 */ 22/* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */ 23/* 24 * Copyright (c) 1991, 1993 25 * The Regents of the University of California. All rights reserved. 26 * 27 * This code is derived from software contributed to Berkeley by 28 * Rick Macklem at The University of Guelph. 29 * 30 * Redistribution and use in source and binary forms, with or without 31 * modification, are permitted provided that the following conditions 32 * are met: 33 * 1. Redistributions of source code must retain the above copyright 34 * notice, this list of conditions and the following disclaimer. 35 * 2. Redistributions in binary form must reproduce the above copyright 36 * notice, this list of conditions and the following disclaimer in the 37 * documentation and/or other materials provided with the distribution. 38 * 3. All advertising materials mentioning features or use of this software 39 * must display the following acknowledgement: 40 * This product includes software developed by the University of 41 * California, Berkeley and its contributors. 42 * 4. Neither the name of the University nor the names of its contributors 43 * may be used to endorse or promote products derived from this software 44 * without specific prior written permission. 45 * 46 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 47 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 48 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 49 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 50 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 51 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 52 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 53 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 54 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 55 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 56 * SUCH DAMAGE. 57 * 58 * @(#)nfsdiskless.h 8.2 (Berkeley) 3/30/95 59 * FreeBSD-Id: nfsdiskless.h,v 1.10 1997/09/07 12:56:46 bde Exp $ 60 */ 61 62 63#ifndef _NFS_NFSDISKLESS_H_ 64#define _NFS_NFSDISKLESS_H_ 65 66#include <sys/appleapiopts.h> 67 68#ifdef __APPLE_API_PRIVATE 69/* 70 * Structure that must be initialized for a diskless nfs client. 71 * This structure is used by nfs_mountroot() to set up the root and swap 72 * vnodes plus do a partial ifconfig(8) and route(8) so that the critical net 73 * interface can communicate with the server. 74 * The primary bootstrap is expected to fill in the appropriate fields before 75 * starting the kernel. Whether or not the swap area is nfs mounted is 76 * determined by the value in swdevt[0]. (equal to NODEV --> swap over nfs) 77 * Currently only works for AF_INET protocols. 78 * NB: All fields are stored in net byte order to avoid hassles with 79 * client/server byte ordering differences. 80 */ 81 82/* 83 * I have defined a new structure that can handle an NFS Version 3 file handle 84 * but the kernel still expects the old Version 2 one to be provided. The 85 * changes required in nfs_vfsops.c for using the new are documented there in 86 * comments. (I felt that breaking network booting code by changing this 87 * structure would not be prudent at this time, since almost all servers are 88 * still Version 2 anyhow.) 89 */ 90struct nfsv3_diskless { 91 struct ifaliasreq myif; /* Default interface */ 92 struct sockaddr_in mygateway; /* Default gateway */ 93 struct nfs_args swap_args; /* Mount args for swap file */ 94 int swap_fhsize; /* Size of file handle */ 95 u_char swap_fh[NFSX_V3FHMAX]; /* Swap file's file handle */ 96 struct sockaddr_in swap_saddr; /* Address of swap server */ 97 char swap_hostnam[MNAMELEN]; /* Host name for mount pt */ 98 int swap_nblks; /* Size of server swap file */ 99 struct ucred swap_ucred; /* Swap credentials */ 100 struct nfs_args root_args; /* Mount args for root fs */ 101 int root_fhsize; /* Size of root file handle */ 102 u_char root_fh[NFSX_V3FHMAX]; /* File handle of root dir */ 103 struct sockaddr_in root_saddr; /* Address of root server */ 104 char root_hostnam[MNAMELEN]; /* Host name for mount pt */ 105 long root_time; /* Timestamp of root fs */ 106 char my_hostnam[MAXHOSTNAMELEN]; /* Client host name */ 107}; 108 109struct nfs_dlmount { 110 struct sockaddr_in ndm_saddr; /* Address of file server */ 111 char ndm_host[MNAMELEN]; /* Host name for mount pt */ 112 char *ndm_path; /* path name for mount pt */ 113 u_long ndm_nfsv3; /* NFSv3 or NFSv2? */ 114 u_long ndm_sotype; /* SOCK_STREAM or SOCK_DGRAM? */ 115 u_long ndm_fhlen; /* length of file handle */ 116 u_char ndm_fh[NFSX_V3FHMAX]; /* The file's file handle */ 117}; 118 119struct nfs_diskless { 120 struct nfs_dlmount nd_root; /* Mount info for root */ 121 struct nfs_dlmount nd_private; /* Mount info for private */ 122}; 123 124#endif /* __APPLE_API_PRIVATE */ 125#endif /* _NFS_NFSDISKLESS_H_ */ 126