1139823Simp/*- 21541Srgrimes * Copyright (c) 1991, 1993 31541Srgrimes * The Regents of the University of California. All rights reserved. 41541Srgrimes * 51541Srgrimes * This code is derived from software contributed to Berkeley by 61541Srgrimes * Rick Macklem at The University of Guelph. 71541Srgrimes * 81541Srgrimes * Redistribution and use in source and binary forms, with or without 91541Srgrimes * modification, are permitted provided that the following conditions 101541Srgrimes * are met: 111541Srgrimes * 1. Redistributions of source code must retain the above copyright 121541Srgrimes * notice, this list of conditions and the following disclaimer. 131541Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 141541Srgrimes * notice, this list of conditions and the following disclaimer in the 151541Srgrimes * documentation and/or other materials provided with the distribution. 161541Srgrimes * 4. Neither the name of the University nor the names of its contributors 171541Srgrimes * may be used to endorse or promote products derived from this software 181541Srgrimes * without specific prior written permission. 191541Srgrimes * 201541Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 211541Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 221541Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 231541Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 241541Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 251541Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 261541Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 271541Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 281541Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 291541Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 301541Srgrimes * SUCH DAMAGE. 311541Srgrimes * 3222521Sdyson * @(#)nfsdiskless.h 8.2 (Berkeley) 3/30/95 3350477Speter * $FreeBSD$ 341541Srgrimes */ 351541Srgrimes 3683651Speter#ifndef _NFSCLIENT_NFSDISKLESS_H_ 3783651Speter#define _NFSCLIENT_NFSDISKLESS_H_ 3822521Sdyson 391541Srgrimes/* 401541Srgrimes * Structure that must be initialized for a diskless nfs client. 4129202Sbde * This structure is used by nfs_mountroot() to set up the root vnode, 4229202Sbde * and to do a partial ifconfig(8) and route(8) so that the critical net 431541Srgrimes * interface can communicate with the server. 441541Srgrimes * The primary bootstrap is expected to fill in the appropriate fields before 45118944Sphk * starting the kernel. 461541Srgrimes * Currently only works for AF_INET protocols. 471541Srgrimes * NB: All fields are stored in net byte order to avoid hassles with 481541Srgrimes * client/server byte ordering differences. 491541Srgrimes */ 509336Sdfr 519336Sdfr/* 529336Sdfr * I have defined a new structure that can handle an NFS Version 3 file handle 539336Sdfr * but the kernel still expects the old Version 2 one to be provided. The 549336Sdfr * changes required in nfs_vfsops.c for using the new are documented there in 559336Sdfr * comments. (I felt that breaking network booting code by changing this 569336Sdfr * structure would not be prudent at this time, since almost all servers are 579336Sdfr * still Version 2 anyhow.) 589336Sdfr */ 599336Sdfrstruct nfsv3_diskless { 609336Sdfr struct ifaliasreq myif; /* Default interface */ 619336Sdfr struct sockaddr_in mygateway; /* Default gateway */ 629336Sdfr struct nfs_args root_args; /* Mount args for root fs */ 639336Sdfr int root_fhsize; /* Size of root file handle */ 649336Sdfr u_char root_fh[NFSX_V3FHMAX]; /* File handle of root dir */ 659336Sdfr struct sockaddr_in root_saddr; /* Address of root server */ 669336Sdfr char root_hostnam[MNAMELEN]; /* Host name for mount pt */ 679336Sdfr long root_time; /* Timestamp of root fs */ 689336Sdfr char my_hostnam[MAXHOSTNAMELEN]; /* Client host name */ 699336Sdfr}; 709336Sdfr 7125755Stegge/* 7225755Stegge * Old arguments to mount NFS 7325755Stegge */ 7425755Steggestruct onfs_args { 7525755Stegge struct sockaddr *addr; /* file server address */ 7625755Stegge int addrlen; /* length of address */ 7725755Stegge int sotype; /* Socket type */ 7825755Stegge int proto; /* and Protocol */ 7925755Stegge u_char *fh; /* File handle to be mounted */ 8025755Stegge int fhsize; /* Size, in bytes, of fh */ 8125755Stegge int flags; /* flags */ 8225755Stegge int wsize; /* write size in bytes */ 8325755Stegge int rsize; /* read size in bytes */ 8425755Stegge int readdirsize; /* readdir size in bytes */ 8525755Stegge int timeo; /* initial timeout in .1 secs */ 8625755Stegge int retrans; /* times to retry send */ 8725755Stegge int maxgrouplist; /* Max. size of group list */ 8825755Stegge int readahead; /* # of blocks to readahead */ 8925755Stegge int leaseterm; /* Term (sec) of lease */ 9025755Stegge int deadthresh; /* Retrans threshold */ 9125755Stegge char *hostname; /* server's name */ 9225755Stegge}; 9325755Stegge 941541Srgrimesstruct nfs_diskless { 951541Srgrimes struct ifaliasreq myif; /* Default interface */ 961541Srgrimes struct sockaddr_in mygateway; /* Default gateway */ 9725755Stegge struct onfs_args root_args; /* Mount args for root fs */ 989336Sdfr u_char root_fh[NFSX_V2FH]; /* File handle of root dir */ 991541Srgrimes struct sockaddr_in root_saddr; /* Address of root server */ 1001541Srgrimes char root_hostnam[MNAMELEN]; /* Host name for mount pt */ 1011541Srgrimes long root_time; /* Timestamp of root fs */ 1021541Srgrimes char my_hostnam[MAXHOSTNAMELEN]; /* Client host name */ 1031541Srgrimes}; 1042175Spaul 10583651Speter#ifdef _KERNEL 10683651Speterextern struct nfsv3_diskless nfsv3_diskless; 10783651Speterextern struct nfs_diskless nfs_diskless; 10883651Speterextern int nfs_diskless_valid; 10991460Spetervoid bootpc_init(void); 110103770Sjakevoid nfs_setup_diskless(void); 111164934Ssamvoid nfs_parse_options(const char *, struct nfs_args *); 1122175Spaul#endif 11383651Speter 11483651Speter#endif 115