1 /* $NetBSD: nfsdiskless.h,v 1.29 2008/10/27 10:58:23 cegger Exp $ */ 2 3 /*- 4 * Copyright (c) 1995, 1997 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Adam Glass and Gordon W. Ross. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 * 31 * @(#)nfsdiskless.h 8.1 (Berkeley) 6/10/93 32 */ 33 #ifndef _NFS_NFSDISKLESS_H_ 34 #define _NFS_NFSDISKLESS_H_ 35 36 /* 37 * Structure holds parameters needed by nfs_mountroot(), 38 * which are filled in by nfs_boot_init() using either 39 * BOOTP (RFC951, RFC1048) or Sun RPC/bootparams. These 40 * parameters are INET specific because nfs_boot_init() 41 * currently supports only AF_INET protocols. 42 * 43 * NB: All fields are stored in net byte order to avoid hassles 44 * with client/server byte ordering differences. 45 */ 46 struct nfs_dlmount { 47 struct nfs_args ndm_args; 48 struct sockaddr ndm_saddr; /* Address of file server */ 49 char ndm_host[MNAMELEN]; /* server:pathname */ 50 u_char ndm_fh[NFSX_V3FHMAX]; /* The file's file handle */ 51 }; 52 struct nfs_diskless { 53 /* the interface used */ 54 struct ifnet *nd_ifp; 55 /* A collection of IP addresses, for convenience. */ 56 struct in_addr nd_myip; /* My IP address */ 57 struct in_addr nd_mask; /* My netmask */ 58 struct in_addr nd_gwip; /* My gateway */ 59 /* Information for each mount point we need. */ 60 struct nfs_dlmount nd_root; /* Mount info for root */ 61 #ifdef TFTPROOT 62 char nd_bootfile[MNAMELEN]; /* Boot file */ 63 int nd_nomount; 64 #endif 65 }; 66 67 #ifdef _KERNEL 68 int nfs_boot_init (struct nfs_diskless *nd, struct lwp *lwp); 69 void nfs_boot_cleanup (struct nfs_diskless *nd, struct lwp *lwp); 70 int nfs_boot_ifupdown (struct ifnet *, struct lwp *, int); 71 int nfs_boot_setaddress (struct ifnet *, struct lwp *, 72 uint32_t, uint32_t, uint32_t); 73 int nfs_boot_deladdress (struct ifnet *, struct lwp *, uint32_t); 74 void nfs_boot_flushrt (struct ifnet *); 75 int nfs_boot_setrecvtimo (struct socket *); 76 int nfs_boot_enbroadcast (struct socket *); 77 int nfs_boot_sobind_ipport (struct socket *, uint16_t, struct lwp *); 78 int nfs_boot_sendrecv (struct socket *, struct mbuf *, 79 int (*)(struct mbuf*, void*, int), struct mbuf*, 80 int (*)(struct mbuf*, void*), struct mbuf**, 81 struct mbuf**, void*, struct lwp *); 82 83 int nfs_bootdhcp (struct nfs_diskless *, struct lwp *, int *); 84 int nfs_bootparam (struct nfs_diskless *, struct lwp *, int *); 85 int nfs_bootstatic (struct nfs_diskless *, struct lwp *, int *); 86 87 extern int (*nfs_bootstatic_callback)(struct nfs_diskless *); 88 89 #define NFS_BOOT_HAS_MYIP 0x01 90 #define NFS_BOOT_HAS_GWIP 0x02 91 #define NFS_BOOT_HAS_MASK 0x04 92 #define NFS_BOOT_HAS_SERVADDR 0x08 93 #define NFS_BOOT_HAS_SERVER 0x10 94 #define NFS_BOOT_NOSTATIC 0x20 95 #define NFS_BOOT_HAS_ROOTPATH 0x40 96 97 #define NFS_BOOT_ALLINFO (NFS_BOOT_HAS_MYIP|NFS_BOOT_HAS_GWIP|NFS_BOOT_HAS_MASK|NFS_BOOT_HAS_SERVADDR|NFS_BOOT_HAS_SERVER|NFS_BOOT_HAS_ROOTPATH) 98 99 #endif /* _KERNEL */ 100 101 #endif /* _NFS_NFSDISKLESS_H_ */ 102