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

     /*      $NetBSD: nfsdiskless.h,v 1.21 2004/03/11 21:48:43 cl Exp $      */
     
     /*-
      * Copyright (c) 1995, 1997 The NetBSD Foundation, Inc.
      * All rights reserved.
      *
      * This code is derived from software contributed to The NetBSD Foundation
      * by Adam Glass and Gordon W. Ross.
      *
     * Redistribution and use in source and binary forms, with or without
     * modification, are permitted provided that the following conditions
     * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     * 3. All advertising materials mentioning features or use of this software
     *    must display the following acknowledgement:
     *        This product includes software developed by the NetBSD
     *        Foundation, Inc. and its contributors.
     * 4. Neither the name of The NetBSD Foundation nor the names of its
     *    contributors may be used to endorse or promote products derived
     *    from this software without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     * POSSIBILITY OF SUCH DAMAGE.
     *
     *      @(#)nfsdiskless.h       8.1 (Berkeley) 6/10/93
     */
    #ifndef _NFS_NFSDISKLESS_H_
    #define _NFS_NFSDISKLESS_H_
    
    /*
     * Structure holds parameters needed by nfs_mountroot(),
     * which are filled in by nfs_boot_init() using either
     * BOOTP (RFC951, RFC1048) or Sun RPC/bootparams.  These
     * parameters are INET specific because nfs_boot_init()
     * currently supports only AF_INET protocols.
     *
     * NB: All fields are stored in net byte order to avoid hassles
     * with client/server byte ordering differences.
     */
    struct nfs_dlmount {
            struct nfs_args ndm_args;
            struct sockaddr ndm_saddr;              /* Address of file server */
            char            ndm_host[MNAMELEN];     /* server:pathname */
            u_char          ndm_fh[NFSX_V3FHMAX];   /* The file's file handle */
    };
    struct nfs_diskless {
            /* the interface used */
            struct ifnet *nd_ifp;
            /* A collection of IP addresses, for convenience. */
            struct in_addr nd_myip; /* My IP address */
            struct in_addr nd_mask; /* My netmask */
            struct in_addr nd_gwip; /* My gateway */
            /* Information for each mount point we need. */
            struct nfs_dlmount nd_root;     /* Mount info for root */
    };
    
    #ifdef _KERNEL
    int nfs_boot_init __P((struct nfs_diskless *nd, struct proc *procp));
    void nfs_boot_cleanup __P((struct nfs_diskless *nd, struct proc *procp));
    int nfs_boot_ifupdown __P((struct ifnet *, struct proc *, int));
    int nfs_boot_setaddress __P((struct ifnet *, struct proc *,
                                 u_int32_t, u_int32_t, u_int32_t));
    int nfs_boot_deladdress __P((struct ifnet *, struct proc *, u_int32_t));
    void nfs_boot_flushrt __P((struct ifnet *));
    int nfs_boot_setrecvtimo __P((struct socket *));
    int nfs_boot_enbroadcast __P((struct socket *));
    int nfs_boot_sobind_ipport __P((struct socket *, u_int16_t));
    int nfs_boot_sendrecv __P((struct socket *, struct mbuf *,
                               int (*)(struct mbuf*, void*, int), struct mbuf*,
                               int (*)(struct mbuf*, void*), struct mbuf**,
                               struct mbuf**, void*));
    
    int nfs_bootdhcp  __P((struct nfs_diskless *, struct proc *));
    int nfs_bootparam __P((struct nfs_diskless *, struct proc *));
    int nfs_bootstatic __P((struct nfs_diskless *, struct proc *));
    
    int (*nfs_bootstatic_callback)(struct nfs_diskless *);
    
    #define NFS_BOOTSTATIC_HAS_MYIP         0x01
    #define NFS_BOOTSTATIC_HAS_GWIP         0x02
    #define NFS_BOOTSTATIC_HAS_MASK         0x04
    #define NFS_BOOTSTATIC_HAS_SERVADDR     0x08
    #define NFS_BOOTSTATIC_HAS_SERVER       0x10
    #endif /* _KERNEL */
    
    #endif /* _NFS_NFSDISKLESS_H_ */

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