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 * $FreeBSD$ 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 #ifdef NFS_LEGACYRPC 83 struct socket *nm_so; /* Rpc socket */ 84 #endif 85 int nm_sotype; /* Type of socket */ 86 int nm_soproto; /* and protocol */ 87 int nm_soflags; /* pr_flags for socket protocol */ 88 struct sockaddr *nm_nam; /* Addr of server */ 89 int nm_timeo; /* Init timer for NFSMNT_DUMBTIMR */ 90 int nm_retry; /* Max retries */ 91 #ifdef NFS_LEGACYRPC 92 int nm_srtt[NFS_MAX_TIMER], /* RTT Timers for rpcs */ 93 nm_sdrtt[NFS_MAX_TIMER]; 94 int nm_sent; /* Request send count */ 95 int nm_cwnd; /* Request send window */ 96 int nm_timeouts; /* Request timeouts */ 97 #endif 98 int nm_deadthresh; /* Threshold of timeouts-->dead server*/ 99 int nm_rsize; /* Max size of read rpc */ 100 int nm_wsize; /* Max size of write rpc */ 101 int nm_readdirsize; /* Size of a readdir rpc */ 102 int nm_readahead; /* Num. of blocks to readahead */ 103 int nm_wcommitsize; /* Max size of commit for write */ 104 int nm_acdirmin; /* Directory attr cache min lifetime */ 105 int nm_acdirmax; /* Directory attr cache max lifetime */ 106 int nm_acregmin; /* Reg file attr cache min lifetime */ 107 int nm_acregmax; /* Reg file attr cache max lifetime */ 108 u_char nm_verf[NFSX_V3WRITEVERF]; /* V3 write verifier */ 109 TAILQ_HEAD(, buf) nm_bufq; /* async io buffer queue */ 110 short nm_bufqlen; /* number of buffers in queue */ 111 short nm_bufqwant; /* process wants to add to the queue */ 112 int nm_bufqiods; /* number of iods processing queue */ 113 u_int64_t nm_maxfilesize; /* maximum file size */ 114 struct nfs_rpcops *nm_rpcops; 115 int nm_tprintf_initial_delay; /* initial delay */ 116 int nm_tprintf_delay; /* interval for messages */ 117 #ifdef NFS_LEGACYRPC 118 struct nfs_tcp_mountstate nm_nfstcpstate; 119 #endif 120 char nm_hostname[MNAMELEN]; /* server's name */ 121 #ifndef NFS_LEGACYRPC 122 int nm_secflavor; /* auth flavor to use for rpc */ 123 struct __rpc_client *nm_client; 124 struct rpc_timers nm_timers[NFS_MAX_TIMER]; /* RTT Timers for rpcs */ 125 char nm_principal[MNAMELEN]; /* GSS-API principal of server */ 126 gss_OID nm_mech_oid; /* OID of selected GSS-API mechanism */ 127 #endif 128 129 /* NFSv4 */ 130 uint64_t nm_clientid; 131 fsid_t nm_fsid; 132 u_int nm_lease_time; 133 time_t nm_last_renewal; 134 }; 135 136 #if defined(_KERNEL) 137 /* 138 * Convert mount ptr to nfsmount ptr. 139 */ 140 #define VFSTONFS(mp) ((struct nfsmount *)((mp)->mnt_data)) 141 142 #ifndef NFS_TPRINTF_INITIAL_DELAY 143 #define NFS_TPRINTF_INITIAL_DELAY 12 144 #endif 145 146 #ifndef NFS_TPRINTF_DELAY 147 #define NFS_TPRINTF_DELAY 30 148 #endif 149 150 #endif 151 152 #endif 153