The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/nfs/nfsdiskless.h

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    1 /*      $NetBSD: nfsdiskless.h,v 1.21 2004/03/11 21:48:43 cl 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  * 3. All advertising materials mentioning features or use of this software
   19  *    must display the following acknowledgement:
   20  *        This product includes software developed by the NetBSD
   21  *        Foundation, Inc. and its contributors.
   22  * 4. Neither the name of The NetBSD Foundation nor the names of its
   23  *    contributors may be used to endorse or promote products derived
   24  *    from this software without specific prior written permission.
   25  *
   26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
   27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
   28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
   30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   36  * POSSIBILITY OF SUCH DAMAGE.
   37  *
   38  *      @(#)nfsdiskless.h       8.1 (Berkeley) 6/10/93
   39  */
   40 #ifndef _NFS_NFSDISKLESS_H_
   41 #define _NFS_NFSDISKLESS_H_
   42 
   43 /*
   44  * Structure holds parameters needed by nfs_mountroot(),
   45  * which are filled in by nfs_boot_init() using either
   46  * BOOTP (RFC951, RFC1048) or Sun RPC/bootparams.  These
   47  * parameters are INET specific because nfs_boot_init()
   48  * currently supports only AF_INET protocols.
   49  *
   50  * NB: All fields are stored in net byte order to avoid hassles
   51  * with client/server byte ordering differences.
   52  */
   53 struct nfs_dlmount {
   54         struct nfs_args ndm_args;
   55         struct sockaddr ndm_saddr;              /* Address of file server */
   56         char            ndm_host[MNAMELEN];     /* server:pathname */
   57         u_char          ndm_fh[NFSX_V3FHMAX];   /* The file's file handle */
   58 };
   59 struct nfs_diskless {
   60         /* the interface used */
   61         struct ifnet *nd_ifp;
   62         /* A collection of IP addresses, for convenience. */
   63         struct in_addr nd_myip; /* My IP address */
   64         struct in_addr nd_mask; /* My netmask */
   65         struct in_addr nd_gwip; /* My gateway */
   66         /* Information for each mount point we need. */
   67         struct nfs_dlmount nd_root;     /* Mount info for root */
   68 };
   69 
   70 #ifdef _KERNEL
   71 int nfs_boot_init __P((struct nfs_diskless *nd, struct proc *procp));
   72 void nfs_boot_cleanup __P((struct nfs_diskless *nd, struct proc *procp));
   73 int nfs_boot_ifupdown __P((struct ifnet *, struct proc *, int));
   74 int nfs_boot_setaddress __P((struct ifnet *, struct proc *,
   75                              u_int32_t, u_int32_t, u_int32_t));
   76 int nfs_boot_deladdress __P((struct ifnet *, struct proc *, u_int32_t));
   77 void nfs_boot_flushrt __P((struct ifnet *));
   78 int nfs_boot_setrecvtimo __P((struct socket *));
   79 int nfs_boot_enbroadcast __P((struct socket *));
   80 int nfs_boot_sobind_ipport __P((struct socket *, u_int16_t));
   81 int nfs_boot_sendrecv __P((struct socket *, struct mbuf *,
   82                            int (*)(struct mbuf*, void*, int), struct mbuf*,
   83                            int (*)(struct mbuf*, void*), struct mbuf**,
   84                            struct mbuf**, void*));
   85 
   86 int nfs_bootdhcp  __P((struct nfs_diskless *, struct proc *));
   87 int nfs_bootparam __P((struct nfs_diskless *, struct proc *));
   88 int nfs_bootstatic __P((struct nfs_diskless *, struct proc *));
   89 
   90 int (*nfs_bootstatic_callback)(struct nfs_diskless *);
   91 
   92 #define NFS_BOOTSTATIC_HAS_MYIP         0x01
   93 #define NFS_BOOTSTATIC_HAS_GWIP         0x02
   94 #define NFS_BOOTSTATIC_HAS_MASK         0x04
   95 #define NFS_BOOTSTATIC_HAS_SERVADDR     0x08
   96 #define NFS_BOOTSTATIC_HAS_SERVER       0x10
   97 #endif /* _KERNEL */
   98 
   99 #endif /* _NFS_NFSDISKLESS_H_ */

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