Home | History | Annotate | Line # | Download | only in nfs
nfsdiskless.h revision 1.29 
      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