70 lines
3.1 KiB
C
70 lines
3.1 KiB
C
/* $OpenBSD: nfsdiskless.h,v 1.10 2013/09/20 23:51:44 fgsch Exp $ */
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/* $NetBSD: nfsdiskless.h,v 1.9 1996/02/18 11:54:00 fvdl Exp $ */
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/*
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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. 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 8.2 (Berkeley) 3/30/95
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*/
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#ifndef _NFS_DISKLESS_H_
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#define _NFS_DISKLESS_H_
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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
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* net interface can communicate with the server.
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* 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_dlmount {
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struct nfs_args ndm_args;
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struct sockaddr_in ndm_saddr; /* Address of file server */
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char ndm_host[MNAMELEN]; /* Host name for mount pt */
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u_char ndm_fh[NFSX_V3FHMAX]; /* The file's file handle */
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};
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struct nfs_diskless {
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struct sockaddr_in nd_boot; /* Address of boot server */
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struct nfs_dlmount nd_root; /* Mount info for root */
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struct nfs_dlmount nd_swap; /* Mount info for swap */
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struct vnode *sw_vp;
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};
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int nfs_boot_init(struct nfs_diskless *nd, struct proc *procp);
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int nfs_boot_getfh(struct sockaddr_in *bpsin, char *key,
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struct nfs_dlmount *ndmntp, int retries);
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#endif /* _NFS_DISKLESS_H_ */
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