153 lines
5.9 KiB
C
153 lines
5.9 KiB
C
/*-
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* SPDX-License-Identifier: BSD-3-Clause
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*
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* Copyright (c) 1989, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Rick Macklem at The University of Guelph.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _NFSCLIENT_NFSMOUNT_H_
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#define _NFSCLIENT_NFSMOUNT_H_
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#include <nfs/nfs_mountcommon.h>
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/* Maximum value for nm_nconnect. */
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#define NFS_MAXNCONN 16
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/*
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* Mount structure.
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* One allocated on every NFS mount.
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* Holds NFS specific information for mount.
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*/
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struct nfsmount {
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struct nfsmount_common nm_com; /* Common fields for nlm */
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uint32_t nm_privflag; /* Private flags */
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uint32_t nm_newflag; /* New mount flags */
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int nm_numgrps; /* Max. size of groupslist */
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u_char nm_fh[NFSX_FHMAX]; /* File handle of root dir */
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int nm_fhsize; /* Size of root file handle */
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struct nfssockreq nm_sockreq; /* Socket Info */
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int nm_timeouts; /* Request timeouts */
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int nm_rsize; /* Max size of read rpc */
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int nm_wsize; /* Max size of write rpc */
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int nm_readdirsize; /* Size of a readdir rpc */
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int nm_readahead; /* Num. of blocks to readahead */
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int nm_wcommitsize; /* Max size of commit for write */
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int nm_acdirmin; /* Directory attr cache min lifetime */
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int nm_acdirmax; /* Directory attr cache max lifetime */
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int nm_acregmin; /* Reg file attr cache min lifetime */
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int nm_acregmax; /* Reg file attr cache max lifetime */
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u_char nm_verf[NFSX_VERF]; /* write verifier */
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TAILQ_HEAD(, buf) nm_bufq; /* async io buffer queue */
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short nm_bufqlen; /* number of buffers in queue */
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short nm_bufqwant; /* process wants to add to the queue */
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int nm_bufqiods; /* number of iods processing queue */
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u_int64_t nm_maxfilesize; /* maximum file size */
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int nm_tprintf_initial_delay; /* initial delay */
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int nm_tprintf_delay; /* interval for messages */
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int nm_nametimeo; /* timeout for +ve entries (sec) */
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int nm_negnametimeo; /* timeout for -ve entries (sec) */
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/* Newnfs additions */
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TAILQ_HEAD(, nfsclds) nm_sess; /* Session(s) for NFSv4.1. */
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struct nfsclclient *nm_clp;
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char *nm_tlscertname; /* TLS certificate file name */
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uid_t nm_uid; /* Uid for SetClientID etc. */
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u_int64_t nm_clval; /* identifies which clientid */
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u_int64_t nm_fsid[2]; /* NFSv4 fsid */
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int nm_minorvers; /* Minor version # for NFSv4 */
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u_int nm_aconnect; /* additional TCP connections */
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u_int nm_nextaconn; /* Next nm_aconn[] to use */
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/* unclipped, wraps to 0 */
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struct __rpc_client *nm_aconn[NFS_MAXNCONN - 1]; /* Additional nconn */
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/* Locked via nm_sockreq.nr_mtx */
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u_int16_t nm_krbnamelen; /* Krb5 host principal, if any */
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u_int16_t nm_dirpathlen; /* and mount dirpath, for V4 */
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u_int16_t nm_srvkrbnamelen; /* and the server's target name */
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u_char nm_name[1]; /* malloc'd actual len of krbname + dirpath */
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};
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#define nm_nam nm_sockreq.nr_nam
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#define nm_sotype nm_sockreq.nr_sotype
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#define nm_so nm_sockreq.nr_so
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#define nm_soflags nm_sockreq.nr_soflags
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#define nm_soproto nm_sockreq.nr_soproto
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#define nm_client nm_sockreq.nr_client
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#define nm_krbname nm_name
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#define nm_mtx nm_com.nmcom_mtx
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#define nm_flag nm_com.nmcom_flag
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#define nm_state nm_com.nmcom_state
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#define nm_mountp nm_com.nmcom_mountp
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#define nm_timeo nm_com.nmcom_timeo
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#define nm_retry nm_com.nmcom_retry
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#define nm_hostname nm_com.nmcom_hostname
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#define nm_getinfo nm_com.nmcom_getinfo
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#define nm_vinvalbuf nm_com.nmcom_vinvalbuf
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/* Private flags. */
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#define NFSMNTP_FORCEDISM 0x00000001
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#define NFSMNTP_CANCELRPCS 0x00000002
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#define NFSMNTP_IOADVISETHRUMDS 0x00000004
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#define NFSMNTP_NOCOPY 0x00000008
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#define NFSMNTP_NOCONSECUTIVE 0x00000010
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#define NFSMNTP_SEEK 0x00000020
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#define NFSMNTP_SEEKTESTED 0x00000040
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#define NFSMNTP_NOXATTR 0x00000080
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#define NFSMNTP_NOADVISE 0x00000100
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#define NFSMNTP_NOALLOCATE 0x00000200
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#define NFSMNTP_DELEGISSUED 0x00000400
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#define NFSMNTP_NODEALLOCATE 0x00000800
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#define NFSMNTP_FAKEROOTFH 0x00001000
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/* New mount flags only used by the kernel via nmount(2). */
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#define NFSMNT_TLS 0x00000001
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#define NFSMNT_SYSKRB5 0x00000002
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#define NFSMNT_DIRPATH(m) (&((m)->nm_name[(m)->nm_krbnamelen + 1]))
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#define NFSMNT_SRVKRBNAME(m) \
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(&((m)->nm_name[(m)->nm_krbnamelen + (m)->nm_dirpathlen + 2]))
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#if defined(_KERNEL)
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/*
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* Convert mount ptr to nfsmount ptr.
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*/
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#define VFSTONFS(mp) ((struct nfsmount *)((mp)->mnt_data))
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#ifndef NFS_DEFAULT_NAMETIMEO
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#define NFS_DEFAULT_NAMETIMEO 60
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#endif
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#ifndef NFS_DEFAULT_NEGNAMETIMEO
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#define NFS_DEFAULT_NEGNAMETIMEO 60
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#endif
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#endif /* _KERNEL */
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#endif /* _NFSCLIENT_NFSMOUNT_H_ */
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