sys/nfs/nfsdiskless.h

   1 /*      $NetBSD: nfsdiskless.h,v 1.28 2008/10/24 17:17:12 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_ */