nfsdiskless.h (c3aac50f284c6cca5b4f2eb46aaa13812cb8b630) nfsdiskless.h (7c208ed659437ef984f2bb98bdc20fa5cfdebefc)
1/*
1/*-
2 * Copyright (c) 1991, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * Rick Macklem at The University of Guelph.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
2 * Copyright (c) 1991, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * Rick Macklem at The University of Guelph.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed by the University of
19 * California, Berkeley and its contributors.
20 * 4. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE

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32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 *
36 * @(#)nfsdiskless.h 8.2 (Berkeley) 3/30/95
37 * $FreeBSD$
38 */
39
16 * 4. Neither the name of the University nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE

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28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 *
32 * @(#)nfsdiskless.h 8.2 (Berkeley) 3/30/95
33 * $FreeBSD$
34 */
35
36#ifndef _NFSCLIENT_NFSDISKLESS_H_
37#define _NFSCLIENT_NFSDISKLESS_H_
40
38
41#ifndef _NFS_NFSDISKLESS_H_
42#define _NFS_NFSDISKLESS_H_
43
44/*
45 * Structure that must be initialized for a diskless nfs client.
46 * This structure is used by nfs_mountroot() to set up the root vnode,
47 * and to do a partial ifconfig(8) and route(8) so that the critical net
48 * interface can communicate with the server.
49 * The primary bootstrap is expected to fill in the appropriate fields before
39/*
40 * Structure that must be initialized for a diskless nfs client.
41 * This structure is used by nfs_mountroot() to set up the root vnode,
42 * and to do a partial ifconfig(8) and route(8) so that the critical net
43 * interface can communicate with the server.
44 * The primary bootstrap is expected to fill in the appropriate fields before
50 * starting the kernel. Whether or not the swap area is nfs mounted is
51 * determined by the value in swdevt[0]. (equal to NODEV --> swap over nfs)
45 * starting the kernel.
52 * Currently only works for AF_INET protocols.
53 * NB: All fields are stored in net byte order to avoid hassles with
54 * client/server byte ordering differences.
55 */
56
57/*
58 * I have defined a new structure that can handle an NFS Version 3 file handle
59 * but the kernel still expects the old Version 2 one to be provided. The
60 * changes required in nfs_vfsops.c for using the new are documented there in
61 * comments. (I felt that breaking network booting code by changing this
62 * structure would not be prudent at this time, since almost all servers are
63 * still Version 2 anyhow.)
64 */
65struct nfsv3_diskless {
66 struct ifaliasreq myif; /* Default interface */
67 struct sockaddr_in mygateway; /* Default gateway */
46 * Currently only works for AF_INET protocols.
47 * NB: All fields are stored in net byte order to avoid hassles with
48 * client/server byte ordering differences.
49 */
50
51/*
52 * I have defined a new structure that can handle an NFS Version 3 file handle
53 * but the kernel still expects the old Version 2 one to be provided. The
54 * changes required in nfs_vfsops.c for using the new are documented there in
55 * comments. (I felt that breaking network booting code by changing this
56 * structure would not be prudent at this time, since almost all servers are
57 * still Version 2 anyhow.)
58 */
59struct nfsv3_diskless {
60 struct ifaliasreq myif; /* Default interface */
61 struct sockaddr_in mygateway; /* Default gateway */
68 struct nfs_args swap_args; /* Mount args for swap file */
69 int swap_fhsize; /* Size of file handle */
70 u_char swap_fh[NFSX_V3FHMAX]; /* Swap file's file handle */
71 struct sockaddr_in swap_saddr; /* Address of swap server */
72 char swap_hostnam[MNAMELEN]; /* Host name for mount pt */
73 int swap_nblks; /* Size of server swap file */
74 struct ucred swap_ucred; /* Swap credentials */
75 struct nfs_args root_args; /* Mount args for root fs */
76 int root_fhsize; /* Size of root file handle */
77 u_char root_fh[NFSX_V3FHMAX]; /* File handle of root dir */
78 struct sockaddr_in root_saddr; /* Address of root server */
79 char root_hostnam[MNAMELEN]; /* Host name for mount pt */
80 long root_time; /* Timestamp of root fs */
81 char my_hostnam[MAXHOSTNAMELEN]; /* Client host name */
82};

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102 int leaseterm; /* Term (sec) of lease */
103 int deadthresh; /* Retrans threshold */
104 char *hostname; /* server's name */
105};
106
107struct nfs_diskless {
108 struct ifaliasreq myif; /* Default interface */
109 struct sockaddr_in mygateway; /* Default gateway */
62 struct nfs_args root_args; /* Mount args for root fs */
63 int root_fhsize; /* Size of root file handle */
64 u_char root_fh[NFSX_V3FHMAX]; /* File handle of root dir */
65 struct sockaddr_in root_saddr; /* Address of root server */
66 char root_hostnam[MNAMELEN]; /* Host name for mount pt */
67 long root_time; /* Timestamp of root fs */
68 char my_hostnam[MAXHOSTNAMELEN]; /* Client host name */
69};

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89 int leaseterm; /* Term (sec) of lease */
90 int deadthresh; /* Retrans threshold */
91 char *hostname; /* server's name */
92};
93
94struct nfs_diskless {
95 struct ifaliasreq myif; /* Default interface */
96 struct sockaddr_in mygateway; /* Default gateway */
110 struct onfs_args swap_args; /* Mount args for swap file */
111 u_char swap_fh[NFSX_V2FH]; /* Swap file's file handle */
112 struct sockaddr_in swap_saddr; /* Address of swap server */
113 char swap_hostnam[MNAMELEN]; /* Host name for mount pt */
114 int swap_nblks; /* Size of server swap file */
115 struct ucred swap_ucred; /* Swap credentials */
116 struct onfs_args root_args; /* Mount args for root fs */
117 u_char root_fh[NFSX_V2FH]; /* File handle of root dir */
118 struct sockaddr_in root_saddr; /* Address of root server */
119 char root_hostnam[MNAMELEN]; /* Host name for mount pt */
120 long root_time; /* Timestamp of root fs */
121 char my_hostnam[MAXHOSTNAMELEN]; /* Client host name */
122};
123
97 struct onfs_args root_args; /* Mount args for root fs */
98 u_char root_fh[NFSX_V2FH]; /* File handle of root dir */
99 struct sockaddr_in root_saddr; /* Address of root server */
100 char root_hostnam[MNAMELEN]; /* Host name for mount pt */
101 long root_time; /* Timestamp of root fs */
102 char my_hostnam[MAXHOSTNAMELEN]; /* Client host name */
103};
104
105#ifdef _KERNEL
106extern struct nfsv3_diskless nfsv3_diskless;
107extern struct nfs_diskless nfs_diskless;
108extern int nfs_diskless_valid;
109void bootpc_init(void);
110void nfs_setup_diskless(void);
111void nfs_parse_options(const char *, struct nfs_args *);
124#endif
112#endif
113
114#endif