1 /* $OpenBSD: nfsdiskless.h,v 1.10 2013/09/20 23:51:44 fgsch Exp $ */ 2 /* $NetBSD: nfsdiskless.h,v 1.9 1996/02/18 11:54:00 fvdl Exp $ */ 3 4 /* 5 * Copyright (c) 1991, 1993 6 * The Regents of the University of California. All rights reserved. 7 * 8 * This code is derived from software contributed to Berkeley by 9 * Rick Macklem at The University of Guelph. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * @(#)nfsdiskless.h 8.2 (Berkeley) 3/30/95 36 */ 37 38 #ifndef _NFS_DISKLESS_H_ 39 #define _NFS_DISKLESS_H_ 40 41 /* 42 * Structure that must be initialized for a diskless nfs client. 43 * This structure is used by nfs_mountroot() to set up the root and swap 44 * vnodes plus do a partial ifconfig(8) and route(8) so that the critical 45 * net interface can communicate with the server. 46 * Whether or not the swap area is nfs mounted is determined 47 * by the value in swdevt[0]. (equal to NODEV --> swap over nfs) 48 * Currently only works for AF_INET protocols. 49 * NB: All fields are stored in net byte order to avoid hassles with 50 * client/server byte ordering differences. 51 */ 52 struct nfs_dlmount { 53 struct nfs_args ndm_args; 54 struct sockaddr_in ndm_saddr; /* Address of file server */ 55 char ndm_host[MNAMELEN]; /* Host name for mount pt */ 56 u_char ndm_fh[NFSX_V3FHMAX]; /* The file's file handle */ 57 }; 58 struct nfs_diskless { 59 struct sockaddr_in nd_boot; /* Address of boot server */ 60 struct nfs_dlmount nd_root; /* Mount info for root */ 61 struct nfs_dlmount nd_swap; /* Mount info for swap */ 62 struct vnode *sw_vp; 63 }; 64 65 int nfs_boot_init(struct nfs_diskless *nd, struct proc *procp); 66 int nfs_boot_getfh(struct sockaddr_in *bpsin, char *key, 67 struct nfs_dlmount *ndmntp, int retries); 68 #endif /* _NFS_DISKLESS_H_ */ 69 70