1 /*-
2 * Copyright (c) 1989, 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 * 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
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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 * @(#)nfsmount.h 8.3 (Berkeley) 3/30/95
33 * $FreeBSD: src/sys/nfsclient/nfsmount.h,v 1.35 2008/11/03 10:38:00 dfr Exp $
34 */
35
36 #ifndef _NFSCLIENT_NFSMOUNT_H_
37 #define _NFSCLIENT_NFSMOUNT_H_
38
39 #ifndef NFS_LEGACYRPC
40
41 #undef RPC_SUCCESS
42 #undef RPC_PROGUNAVAIL
43 #undef RPC_PROCUNAVAIL
44 #undef AUTH_OK
45 #undef AUTH_BADCRED
46 #undef AUTH_BADVERF
47 #undef AUTH_TOOWEAK
48
49 #include <rpc/types.h>
50 #include <rpc/auth.h>
51 #include <rpc/clnt.h>
52 #include <rpc/rpcsec_gss.h>
53
54 #endif
55
56 #ifdef NFS_LEGACYRPC
57
58 struct nfs_tcp_mountstate {
59 int rpcresid;
60 #define NFS_TCP_EXPECT_RPCMARKER 0x0001 /* Expect to see a RPC/TCP marker next */
61 #define NFS_TCP_FORCE_RECONNECT 0x0002 /* Force a TCP reconnect */
62 #define NFS_TCP_WAIT_WRITE_DRAIN 0x0004 /* Waiting for socket writers to finish */
63 int flags;
64 int sock_send_inprog;
65 };
66
67 #endif
68
69 /*
70 * Mount structure.
71 * One allocated on every NFS mount.
72 * Holds NFS specific information for mount.
73 */
74 struct nfsmount {
75 struct mtx nm_mtx;
76 int nm_flag; /* Flags for soft/hard... */
77 int nm_state; /* Internal state flags */
78 struct mount *nm_mountp; /* Vfs structure for this filesystem */
79 int nm_numgrps; /* Max. size of groupslist */
80 u_char nm_fh[NFSX_V4FH]; /* File handle of root dir */
81 int nm_fhsize; /* Size of root file handle */
82 struct rpcclnt nm_rpcclnt; /* rpc state */
83 #ifdef NFS_LEGACYRPC
84 struct socket *nm_so; /* Rpc socket */
85 #endif
86 int nm_sotype; /* Type of socket */
87 int nm_soproto; /* and protocol */
88 int nm_soflags; /* pr_flags for socket protocol */
89 struct sockaddr *nm_nam; /* Addr of server */
90 int nm_timeo; /* Init timer for NFSMNT_DUMBTIMR */
91 int nm_retry; /* Max retries */
92 #ifdef NFS_LEGACYRPC
93 int nm_srtt[NFS_MAX_TIMER], /* RTT Timers for rpcs */
94 nm_sdrtt[NFS_MAX_TIMER];
95 int nm_sent; /* Request send count */
96 int nm_cwnd; /* Request send window */
97 int nm_timeouts; /* Request timeouts */
98 #endif
99 int nm_deadthresh; /* Threshold of timeouts-->dead server*/
100 int nm_rsize; /* Max size of read rpc */
101 int nm_wsize; /* Max size of write rpc */
102 int nm_readdirsize; /* Size of a readdir rpc */
103 int nm_readahead; /* Num. of blocks to readahead */
104 int nm_wcommitsize; /* Max size of commit for write */
105 int nm_acdirmin; /* Directory attr cache min lifetime */
106 int nm_acdirmax; /* Directory attr cache max lifetime */
107 int nm_acregmin; /* Reg file attr cache min lifetime */
108 int nm_acregmax; /* Reg file attr cache max lifetime */
109 u_char nm_verf[NFSX_V3WRITEVERF]; /* V3 write verifier */
110 TAILQ_HEAD(, buf) nm_bufq; /* async io buffer queue */
111 short nm_bufqlen; /* number of buffers in queue */
112 short nm_bufqwant; /* process wants to add to the queue */
113 int nm_bufqiods; /* number of iods processing queue */
114 u_int64_t nm_maxfilesize; /* maximum file size */
115 struct nfs_rpcops *nm_rpcops;
116 int nm_tprintf_initial_delay; /* initial delay */
117 int nm_tprintf_delay; /* interval for messages */
118 #ifdef NFS_LEGACYRPC
119 struct nfs_tcp_mountstate nm_nfstcpstate;
120 #endif
121 char nm_hostname[MNAMELEN]; /* server's name */
122 #ifndef NFS_LEGACYRPC
123 int nm_secflavor; /* auth flavor to use for rpc */
124 struct __rpc_client *nm_client;
125 struct rpc_timers nm_timers[NFS_MAX_TIMER]; /* RTT Timers for rpcs */
126 char nm_principal[MNAMELEN]; /* GSS-API principal of server */
127 gss_OID nm_mech_oid; /* OID of selected GSS-API mechanism */
128 #endif
129
130 /* NFSv4 */
131 uint64_t nm_clientid;
132 fsid_t nm_fsid;
133 u_int nm_lease_time;
134 time_t nm_last_renewal;
135 };
136
137 #if defined(_KERNEL)
138 /*
139 * Convert mount ptr to nfsmount ptr.
140 */
141 #define VFSTONFS(mp) ((struct nfsmount *)((mp)->mnt_data))
142
143 #ifndef NFS_TPRINTF_INITIAL_DELAY
144 #define NFS_TPRINTF_INITIAL_DELAY 12
145 #endif
146
147 #ifndef NFS_TPRINTF_DELAY
148 #define NFS_TPRINTF_DELAY 30
149 #endif
150
151 #endif
152
153 #endif
154
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