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nfs.h
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nfs_commonacl.c
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nfs_commonkrpc.c
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nfs_commonport.c
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nfs_commonsubs.c
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nfs_var.h
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nfscl.h
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nfsclstate.h
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nfsdport.h
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nfskpiport.h
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nfsm_subs.h
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nfsport.h
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nfsproto.h
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nfsrvcache.h
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nfsrvstate.h
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nfsv4_errstr.h
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rpcv2.h
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xdr_subs.h
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Editing: nfsclstate.h
/*- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD * * Copyright (c) 2009 Rick Macklem, University of Guelph * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $FreeBSD$ */ #ifndef _NFS_NFSCLSTATE_H_ #define _NFS_NFSCLSTATE_H_ /* * Definitions for NFS V4 client state handling. */ LIST_HEAD(nfsclopenhead, nfsclopen); LIST_HEAD(nfscllockownerhead, nfscllockowner); SLIST_HEAD(nfscllockownerfhhead, nfscllockownerfh); LIST_HEAD(nfscllockhead, nfscllock); LIST_HEAD(nfsclhead, nfsclclient); LIST_HEAD(nfsclownerhead, nfsclowner); TAILQ_HEAD(nfscldeleghead, nfscldeleg); LIST_HEAD(nfscldeleghash, nfscldeleg); TAILQ_HEAD(nfscllayouthead, nfscllayout); LIST_HEAD(nfscllayouthash, nfscllayout); LIST_HEAD(nfsclflayouthead, nfsclflayout); LIST_HEAD(nfscldevinfohead, nfscldevinfo); LIST_HEAD(nfsclrecalllayouthead, nfsclrecalllayout); #define NFSCLDELEGHASHSIZE 256 #define NFSCLDELEGHASH(c, f, l) \ (&((c)->nfsc_deleghash[ncl_hash((f), (l)) % NFSCLDELEGHASHSIZE])) #define NFSCLLAYOUTHASHSIZE 256 #define NFSCLLAYOUTHASH(c, f, l) \ (&((c)->nfsc_layouthash[ncl_hash((f), (l)) % NFSCLLAYOUTHASHSIZE])) /* Structure for NFSv4.1 session stuff. */ struct nfsclsession { struct mtx nfsess_mtx; struct nfsslot nfsess_cbslots[NFSV4_CBSLOTS]; nfsquad_t nfsess_clientid; SVCXPRT *nfsess_xprt; /* For backchannel callback */ uint32_t nfsess_slotseq[64]; /* Max for 64bit nm_slots */ uint64_t nfsess_slots; uint32_t nfsess_sequenceid; uint32_t nfsess_maxcache; /* Max size for cached reply. */ uint32_t nfsess_maxreq; /* Max request size. */ uint32_t nfsess_maxresp; /* Max reply size. */ uint16_t nfsess_foreslots; uint16_t nfsess_backslots; uint8_t nfsess_sessionid[NFSX_V4SESSIONID]; uint8_t nfsess_defunct; /* Non-zero for old sessions */ }; /* * This structure holds the session, clientid and related information * needed for an NFSv4.1 or NFSv4.2 Meta Data Server (MDS) or Data Server (DS). * It is malloc'd to the correct length. */ struct nfsclds { TAILQ_ENTRY(nfsclds) nfsclds_list; struct nfsclsession nfsclds_sess; struct mtx nfsclds_mtx; struct nfssockreq *nfsclds_sockp; time_t nfsclds_expire; uint16_t nfsclds_flags; uint16_t nfsclds_servownlen; uint8_t nfsclds_verf[NFSX_VERF]; uint8_t nfsclds_serverown[0]; }; /* * Flags for nfsclds_flags. */ #define NFSCLDS_HASWRITEVERF 0x0001 #define NFSCLDS_MDS 0x0002 #define NFSCLDS_DS 0x0004 #define NFSCLDS_CLOSED 0x0008 #define NFSCLDS_SAMECONN 0x0010 #define NFSCLDS_MINORV2 0x0020 struct nfsclclient { LIST_ENTRY(nfsclclient) nfsc_list; struct nfsclownerhead nfsc_owner; struct nfscldeleghead nfsc_deleg; struct nfscldeleghash nfsc_deleghash[NFSCLDELEGHASHSIZE]; struct nfscllayouthead nfsc_layout; struct nfscllayouthash nfsc_layouthash[NFSCLLAYOUTHASHSIZE]; struct nfscldevinfohead nfsc_devinfo; struct nfsv4lock nfsc_lock; struct proc *nfsc_renewthread; struct nfsmount *nfsc_nmp; time_t nfsc_expire; u_int32_t nfsc_clientidrev; u_int32_t nfsc_rev; u_int32_t nfsc_renew; u_int32_t nfsc_cbident; u_int16_t nfsc_flags; u_int16_t nfsc_idlen; u_int8_t nfsc_id[1]; /* Malloc'd to correct length */ }; /* * Bits for nfsc_flags. */ #define NFSCLFLAGS_INITED 0x0001 #define NFSCLFLAGS_HASCLIENTID 0x0002 #define NFSCLFLAGS_RECOVER 0x0004 #define NFSCLFLAGS_UMOUNT 0x0008 #define NFSCLFLAGS_HASTHREAD 0x0010 #define NFSCLFLAGS_AFINET6 0x0020 #define NFSCLFLAGS_EXPIREIT 0x0040 #define NFSCLFLAGS_FIRSTDELEG 0x0080 #define NFSCLFLAGS_GOTDELEG 0x0100 #define NFSCLFLAGS_RECVRINPROG 0x0200 struct nfsclowner { LIST_ENTRY(nfsclowner) nfsow_list; struct nfsclopenhead nfsow_open; struct nfsclclient *nfsow_clp; u_int32_t nfsow_seqid; u_int32_t nfsow_defunct; struct nfsv4lock nfsow_rwlock; u_int8_t nfsow_owner[NFSV4CL_LOCKNAMELEN]; }; /* * MALLOC'd to the correct length to accommodate the file handle. */ struct nfscldeleg { TAILQ_ENTRY(nfscldeleg) nfsdl_list; LIST_ENTRY(nfscldeleg) nfsdl_hash; struct nfsclownerhead nfsdl_owner; /* locally issued state */ struct nfscllockownerhead nfsdl_lock; nfsv4stateid_t nfsdl_stateid; struct acl_entry nfsdl_ace; /* Delegation ace */ struct nfsclclient *nfsdl_clp; struct nfsv4lock nfsdl_rwlock; /* for active I/O ops */ struct nfscred nfsdl_cred; /* Cred. used for Open */ time_t nfsdl_timestamp; /* used for stale cleanup */ u_int64_t nfsdl_sizelimit; /* Limit for file growth */ u_int64_t nfsdl_size; /* saved copy of file size */ u_int64_t nfsdl_change; /* and change attribute */ struct timespec nfsdl_modtime; /* local modify time */ u_int16_t nfsdl_fhlen; u_int8_t nfsdl_flags; u_int8_t nfsdl_fh[1]; /* must be last */ }; /* * nfsdl_flags bits. */ #define NFSCLDL_READ 0x01 #define NFSCLDL_WRITE 0x02 #define NFSCLDL_RECALL 0x04 #define NFSCLDL_NEEDRECLAIM 0x08 #define NFSCLDL_ZAPPED 0x10 #define NFSCLDL_MODTIMESET 0x20 #define NFSCLDL_DELEGRET 0x40 /* * MALLOC'd to the correct length to accommodate the file handle. */ struct nfsclopen { LIST_ENTRY(nfsclopen) nfso_list; struct nfscllockownerhead nfso_lock; nfsv4stateid_t nfso_stateid; struct nfsclowner *nfso_own; struct nfscred nfso_cred; /* Cred. used for Open */ u_int32_t nfso_mode; u_int32_t nfso_opencnt; u_int16_t nfso_fhlen; u_int8_t nfso_posixlock; /* 1 for POSIX type locking */ u_int8_t nfso_fh[1]; /* must be last */ }; /* * Return values for nfscl_open(). NFSCLOPEN_OK must == 0. */ #define NFSCLOPEN_OK 0 #define NFSCLOPEN_DOOPEN 1 #define NFSCLOPEN_DOOPENDOWNGRADE 2 #define NFSCLOPEN_SETCRED 3 struct nfscllockowner { LIST_ENTRY(nfscllockowner) nfsl_list; struct nfscllockhead nfsl_lock; struct nfsclopen *nfsl_open; NFSPROC_T *nfsl_inprog; nfsv4stateid_t nfsl_stateid; int nfsl_lockflags; u_int32_t nfsl_seqid; struct nfsv4lock nfsl_rwlock; u_int8_t nfsl_owner[NFSV4CL_LOCKNAMELEN]; u_int8_t nfsl_openowner[NFSV4CL_LOCKNAMELEN]; }; /* * Byte range entry for the above lock owner. */ struct nfscllock { LIST_ENTRY(nfscllock) nfslo_list; u_int64_t nfslo_first; u_int64_t nfslo_end; short nfslo_type; }; /* This structure is used to collect a list of lockowners to free up. */ struct nfscllockownerfh { SLIST_ENTRY(nfscllockownerfh) nfslfh_list; struct nfscllockownerhead nfslfh_lock; int nfslfh_len; uint8_t nfslfh_fh[NFSX_V4FHMAX]; }; /* * MALLOC'd to the correct length to accommodate the file handle. */ struct nfscllayout { TAILQ_ENTRY(nfscllayout) nfsly_list; LIST_ENTRY(nfscllayout) nfsly_hash; nfsv4stateid_t nfsly_stateid; struct nfsv4lock nfsly_lock; uint64_t nfsly_filesid[2]; uint64_t nfsly_lastbyte; struct nfsclflayouthead nfsly_flayread; struct nfsclflayouthead nfsly_flayrw; struct nfsclrecalllayouthead nfsly_recall; time_t nfsly_timestamp; struct nfsclclient *nfsly_clp; uint16_t nfsly_flags; uint16_t nfsly_fhlen; uint8_t nfsly_fh[1]; }; /* * Flags for nfsly_flags. */ #define NFSLY_FILES 0x0001 #define NFSLY_BLOCK 0x0002 #define NFSLY_OBJECT 0x0004 #define NFSLY_RECALL 0x0008 #define NFSLY_RECALLFILE 0x0010 #define NFSLY_RECALLFSID 0x0020 #define NFSLY_RECALLALL 0x0040 #define NFSLY_RETONCLOSE 0x0080 #define NFSLY_WRITTEN 0x0100 /* Has been used to write to a DS. */ #define NFSLY_FLEXFILE 0x0200 /* * Flex file layout mirror specific stuff for nfsclflayout. */ struct nfsffm { nfsv4stateid_t st; struct nfscldevinfo *devp; char dev[NFSX_V4DEVICEID]; uint32_t eff; uid_t user; gid_t group; struct nfsfh *fh[NFSDEV_MAXVERS]; uint16_t fhcnt; }; /* * MALLOC'd to the correct length to accommodate the file handle list for File * layout and the list of mirrors for the Flex File Layout. * These hang off of nfsly_flayread and nfsly_flayrw, sorted in increasing * offset order. * The nfsly_flayread list holds the ones with iomode == NFSLAYOUTIOMODE_READ, * whereas the nfsly_flayrw holds the ones with iomode == NFSLAYOUTIOMODE_RW. */ struct nfsclflayout { LIST_ENTRY(nfsclflayout) nfsfl_list; uint64_t nfsfl_off; uint64_t nfsfl_end; uint32_t nfsfl_iomode; uint16_t nfsfl_flags; union { struct { uint64_t patoff; uint32_t util; uint32_t stripe1; uint8_t dev[NFSX_V4DEVICEID]; uint16_t fhcnt; struct nfscldevinfo *devp; } fl; struct { uint64_t stripeunit; uint32_t fflags; uint32_t statshint; uint16_t mirrorcnt; } ff; } nfsfl_un; union { struct nfsfh *fh[0]; /* FH list for DS File layout */ struct nfsffm ffm[0]; /* Mirror list for Flex File */ } nfsfl_un2; /* Must be last. Malloc'd to correct array length */ }; #define nfsfl_patoff nfsfl_un.fl.patoff #define nfsfl_util nfsfl_un.fl.util #define nfsfl_stripe1 nfsfl_un.fl.stripe1 #define nfsfl_dev nfsfl_un.fl.dev #define nfsfl_fhcnt nfsfl_un.fl.fhcnt #define nfsfl_devp nfsfl_un.fl.devp #define nfsfl_stripeunit nfsfl_un.ff.stripeunit #define nfsfl_fflags nfsfl_un.ff.fflags #define nfsfl_statshint nfsfl_un.ff.statshint #define nfsfl_mirrorcnt nfsfl_un.ff.mirrorcnt #define nfsfl_fh nfsfl_un2.fh #define nfsfl_ffm nfsfl_un2.ffm /* * Flags for nfsfl_flags. */ #define NFSFL_RECALL 0x0001 /* File layout has been recalled */ #define NFSFL_FILE 0x0002 /* File layout */ #define NFSFL_FLEXFILE 0x0004 /* Flex File layout */ /* * Structure that is used to store a LAYOUTRECALL. */ struct nfsclrecalllayout { LIST_ENTRY(nfsclrecalllayout) nfsrecly_list; uint64_t nfsrecly_off; uint64_t nfsrecly_len; int nfsrecly_recalltype; uint32_t nfsrecly_iomode; uint32_t nfsrecly_stateseqid; uint32_t nfsrecly_stat; uint32_t nfsrecly_op; char nfsrecly_devid[NFSX_V4DEVICEID]; }; /* * Stores the NFSv4.1 Device Info. Malloc'd to the correct length to * store the list of network connections and list of indices. * nfsdi_data[] is allocated the following way: * - nfsdi_addrcnt * struct nfsclds * - stripe indices, each stored as one byte, since there can be many * of them. (This implies a limit of 256 on nfsdi_addrcnt, since the * indices select which address.) * For Flex File, the addrcnt is always one and no stripe indices exist. */ struct nfscldevinfo { LIST_ENTRY(nfscldevinfo) nfsdi_list; uint8_t nfsdi_deviceid[NFSX_V4DEVICEID]; struct nfsclclient *nfsdi_clp; uint32_t nfsdi_refcnt; uint32_t nfsdi_layoutrefs; union { struct { uint16_t stripecnt; } fl; struct { int versindex; uint32_t vers; uint32_t minorvers; uint32_t rsize; uint32_t wsize; } ff; } nfsdi_un; uint16_t nfsdi_addrcnt; uint16_t nfsdi_flags; struct nfsclds *nfsdi_data[0]; }; #define nfsdi_stripecnt nfsdi_un.fl.stripecnt #define nfsdi_versindex nfsdi_un.ff.versindex #define nfsdi_vers nfsdi_un.ff.vers #define nfsdi_minorvers nfsdi_un.ff.minorvers #define nfsdi_rsize nfsdi_un.ff.rsize #define nfsdi_wsize nfsdi_un.ff.wsize /* Flags for nfsdi_flags. */ #define NFSDI_FILELAYOUT 0x0001 #define NFSDI_FLEXFILE 0x0002 #define NFSDI_TIGHTCOUPLED 0X0004 /* These inline functions return values from nfsdi_data[]. */ /* * Return a pointer to the address at "pos". */ static __inline struct nfsclds ** nfsfldi_addr(struct nfscldevinfo *ndi, int pos) { if (pos >= ndi->nfsdi_addrcnt) return (NULL); return (&ndi->nfsdi_data[pos]); } /* * Return the Nth ("pos") stripe index. */ static __inline int nfsfldi_stripeindex(struct nfscldevinfo *ndi, int pos) { uint8_t *valp; if (pos >= ndi->nfsdi_stripecnt) return (-1); valp = (uint8_t *)&ndi->nfsdi_data[ndi->nfsdi_addrcnt]; valp += pos; return ((int)*valp); } /* * Set the Nth ("pos") stripe index to "val". */ static __inline void nfsfldi_setstripeindex(struct nfscldevinfo *ndi, int pos, uint8_t val) { uint8_t *valp; if (pos >= ndi->nfsdi_stripecnt) return; valp = (uint8_t *)&ndi->nfsdi_data[ndi->nfsdi_addrcnt]; valp += pos; *valp = val; } /* * Macro for incrementing the seqid#. */ #define NFSCL_INCRSEQID(s, n) do { \ if (((n)->nd_flag & ND_INCRSEQID)) \ (s)++; \ } while (0) #endif /* _NFS_NFSCLSTATE_H_ */
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