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Annotation of sys/nfs/nfsdiskless.h, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: nfsdiskless.h,v 1.8 2003/06/02 23:28:20 millert Exp $ */
        !             2: /*     $NetBSD: nfsdiskless.h,v 1.9 1996/02/18 11:54:00 fvdl Exp $     */
        !             3:
        !             4: /*
        !             5:  * Copyright (c) 1991, 1993
        !             6:  *     The Regents of the University of California.  All rights reserved.
        !             7:  *
        !             8:  * This code is derived from software contributed to Berkeley by
        !             9:  * Rick Macklem at The University of Guelph.
        !            10:  *
        !            11:  * Redistribution and use in source and binary forms, with or without
        !            12:  * modification, are permitted provided that the following conditions
        !            13:  * are met:
        !            14:  * 1. Redistributions of source code must retain the above copyright
        !            15:  *    notice, this list of conditions and the following disclaimer.
        !            16:  * 2. Redistributions in binary form must reproduce the above copyright
        !            17:  *    notice, this list of conditions and the following disclaimer in the
        !            18:  *    documentation and/or other materials provided with the distribution.
        !            19:  * 3. Neither the name of the University nor the names of its contributors
        !            20:  *    may be used to endorse or promote products derived from this software
        !            21:  *    without specific prior written permission.
        !            22:  *
        !            23:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            24:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            25:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            26:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            27:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            28:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            29:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            30:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            31:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            32:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            33:  * SUCH DAMAGE.
        !            34:  *
        !            35:  *     @(#)nfsdiskless.h       8.2 (Berkeley) 3/30/95
        !            36:  */
        !            37:
        !            38: #ifndef _NFS_DISKLESS_H_
        !            39: #define _NFS_DISKLESS_H_
        !            40:
        !            41: /*
        !            42:  * Structure that must be initialized for a diskless nfs client.
        !            43:  * This structure is used by nfs_mountroot() to set up the root and swap
        !            44:  * vnodes plus do a partial ifconfig(8) and route(8) so that the critical
        !            45:  * net interface can communicate with the server.
        !            46:  * Whether or not the swap area is nfs mounted is determined
        !            47:  * by the value in swdevt[0]. (equal to NODEV --> swap over nfs)
        !            48:  * Currently only works for AF_INET protocols.
        !            49:  * NB: All fields are stored in net byte order to avoid hassles with
        !            50:  * client/server byte ordering differences.
        !            51:  */
        !            52: struct nfs_dlmount {
        !            53:        struct sockaddr_in ndm_saddr;           /* Address of file server */
        !            54:        char            ndm_host[MNAMELEN];     /* Host name for mount pt */
        !            55:        u_char          ndm_fh[NFSX_V2FH];      /* The file's file handle */
        !            56: };
        !            57: struct nfs_diskless {
        !            58:        struct sockaddr_in nd_boot;     /* Address of boot server */
        !            59:        struct nfs_dlmount nd_root;     /* Mount info for root */
        !            60:        struct nfs_dlmount nd_swap;     /* Mount info for swap */
        !            61: };
        !            62:
        !            63: int nfs_boot_init(struct nfs_diskless *nd, struct proc *procp);
        !            64: int nfs_boot_getfh(struct sockaddr_in *bpsin, char *key,
        !            65:                struct nfs_dlmount *ndmntp, int retries);
        !            66: #endif /* _NFS_DISKLESS_H_ */
        !            67: