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67 lines
3.4 KiB
C
67 lines
3.4 KiB
C
/*
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* Copyright (c) 1991, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Rick Macklem at The University of Guelph.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)nfsdiskless.h 8.1 (Berkeley) 6/10/93
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*/
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/*
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* Structure that must be initialized for a diskless nfs client.
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* This structure is used by nfs_mountroot() to set up the root and swap
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* vnodes plus do a partial ifconfig(8) and route(8) so that the critical net
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* interface can communicate with the server.
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* The primary bootstrap is expected to fill in the appropriate fields before
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* starting vmunix. Whether or not the swap area is nfs mounted is determined
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* by the value in swdevt[0]. (equal to NODEV --> swap over nfs)
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* Currently only works for AF_INET protocols.
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* NB: All fields are stored in net byte order to avoid hassles with
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* client/server byte ordering differences.
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*/
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struct nfs_diskless {
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struct ifaliasreq myif; /* Default interface */
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struct sockaddr_in mygateway; /* Default gateway */
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struct nfs_args swap_args; /* Mount args for swap file */
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u_char swap_fh[NFS_FHSIZE]; /* Swap file's file handle */
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struct sockaddr_in swap_saddr; /* Address of swap server */
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char swap_hostnam[MNAMELEN]; /* Host name for mount pt */
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int swap_nblks; /* Size of server swap file */
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struct ucred swap_ucred; /* Swap credentials */
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struct nfs_args root_args; /* Mount args for root fs */
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u_char root_fh[NFS_FHSIZE]; /* File handle of root dir */
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struct sockaddr_in root_saddr; /* Address of root server */
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char root_hostnam[MNAMELEN]; /* Host name for mount pt */
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long root_time; /* Timestamp of root fs */
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char my_hostnam[MAXHOSTNAMELEN]; /* Client host name */
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};
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