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Annotation of sys/nfs/nfsdiskless.h, Revision 1.1.1.1

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: