17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 55a59a8b3Srsb * Common Development and Distribution License (the "License"). 65a59a8b3Srsb * You may not use this file except in compliance with the License. 77c478bd9Sstevel@tonic-gate * 87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 117c478bd9Sstevel@tonic-gate * and limitations under the License. 127c478bd9Sstevel@tonic-gate * 137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 187c478bd9Sstevel@tonic-gate * 197c478bd9Sstevel@tonic-gate * CDDL HEADER END 207c478bd9Sstevel@tonic-gate */ 217c478bd9Sstevel@tonic-gate /* 22aa59c4cbSrsb * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 237c478bd9Sstevel@tonic-gate * Use is subject to license terms. 247c478bd9Sstevel@tonic-gate */ 257c478bd9Sstevel@tonic-gate 267c478bd9Sstevel@tonic-gate /* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */ 277c478bd9Sstevel@tonic-gate /* All Rights Reserved */ 287c478bd9Sstevel@tonic-gate 297c478bd9Sstevel@tonic-gate /* 307c478bd9Sstevel@tonic-gate * University Copyright- Copyright (c) 1982, 1986, 1988 317c478bd9Sstevel@tonic-gate * The Regents of the University of California 327c478bd9Sstevel@tonic-gate * All Rights Reserved 337c478bd9Sstevel@tonic-gate * 347c478bd9Sstevel@tonic-gate * University Acknowledgment- Portions of this document are derived from 357c478bd9Sstevel@tonic-gate * software developed by the University of California, Berkeley, and its 367c478bd9Sstevel@tonic-gate * contributors. 377c478bd9Sstevel@tonic-gate */ 387c478bd9Sstevel@tonic-gate 397c478bd9Sstevel@tonic-gate #ifndef _SYS_VNODE_H 407c478bd9Sstevel@tonic-gate #define _SYS_VNODE_H 417c478bd9Sstevel@tonic-gate 427c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 437c478bd9Sstevel@tonic-gate 447c478bd9Sstevel@tonic-gate #include <sys/types.h> 457c478bd9Sstevel@tonic-gate #include <sys/t_lock.h> 467c478bd9Sstevel@tonic-gate #include <sys/rwstlock.h> 477c478bd9Sstevel@tonic-gate #include <sys/time_impl.h> 487c478bd9Sstevel@tonic-gate #include <sys/cred.h> 497c478bd9Sstevel@tonic-gate #include <sys/uio.h> 507c478bd9Sstevel@tonic-gate #include <sys/resource.h> 517c478bd9Sstevel@tonic-gate #include <vm/seg_enum.h> 525a59a8b3Srsb #include <sys/kstat.h> 535a59a8b3Srsb #include <sys/kmem.h> 54*1b300de9Sjwahlig #include <sys/list.h> 557c478bd9Sstevel@tonic-gate #ifdef _KERNEL 567c478bd9Sstevel@tonic-gate #include <sys/buf.h> 577c478bd9Sstevel@tonic-gate #endif /* _KERNEL */ 587c478bd9Sstevel@tonic-gate 597c478bd9Sstevel@tonic-gate #ifdef __cplusplus 607c478bd9Sstevel@tonic-gate extern "C" { 617c478bd9Sstevel@tonic-gate #endif 627c478bd9Sstevel@tonic-gate 635a59a8b3Srsb /* 645a59a8b3Srsb * Statistics for all vnode operations. 655a59a8b3Srsb * All operations record number of ops (since boot/mount/zero'ed). 665a59a8b3Srsb * Certain I/O operations (read, write, readdir) also record number 675a59a8b3Srsb * of bytes transferred. 685a59a8b3Srsb * This appears in two places in the system: one is embedded in each 695a59a8b3Srsb * vfs_t. There is also an array of vopstats_t structures allocated 705a59a8b3Srsb * on a per-fstype basis. 715a59a8b3Srsb */ 725a59a8b3Srsb 735a59a8b3Srsb #define VOPSTATS_STR "vopstats_" /* Initial string for vopstat kstats */ 745a59a8b3Srsb 755a59a8b3Srsb typedef struct vopstats { 765a59a8b3Srsb kstat_named_t nopen; /* VOP_OPEN */ 775a59a8b3Srsb kstat_named_t nclose; /* VOP_CLOSE */ 785a59a8b3Srsb kstat_named_t nread; /* VOP_READ */ 795a59a8b3Srsb kstat_named_t read_bytes; 805a59a8b3Srsb kstat_named_t nwrite; /* VOP_WRITE */ 815a59a8b3Srsb kstat_named_t write_bytes; 825a59a8b3Srsb kstat_named_t nioctl; /* VOP_IOCTL */ 835a59a8b3Srsb kstat_named_t nsetfl; /* VOP_SETFL */ 845a59a8b3Srsb kstat_named_t ngetattr; /* VOP_GETATTR */ 855a59a8b3Srsb kstat_named_t nsetattr; /* VOP_SETATTR */ 865a59a8b3Srsb kstat_named_t naccess; /* VOP_ACCESS */ 875a59a8b3Srsb kstat_named_t nlookup; /* VOP_LOOKUP */ 885a59a8b3Srsb kstat_named_t ncreate; /* VOP_CREATE */ 895a59a8b3Srsb kstat_named_t nremove; /* VOP_REMOVE */ 905a59a8b3Srsb kstat_named_t nlink; /* VOP_LINK */ 915a59a8b3Srsb kstat_named_t nrename; /* VOP_RENAME */ 925a59a8b3Srsb kstat_named_t nmkdir; /* VOP_MKDIR */ 935a59a8b3Srsb kstat_named_t nrmdir; /* VOP_RMDIR */ 945a59a8b3Srsb kstat_named_t nreaddir; /* VOP_READDIR */ 955a59a8b3Srsb kstat_named_t readdir_bytes; 965a59a8b3Srsb kstat_named_t nsymlink; /* VOP_SYMLINK */ 975a59a8b3Srsb kstat_named_t nreadlink; /* VOP_READLINK */ 985a59a8b3Srsb kstat_named_t nfsync; /* VOP_FSYNC */ 995a59a8b3Srsb kstat_named_t ninactive; /* VOP_INACTIVE */ 1005a59a8b3Srsb kstat_named_t nfid; /* VOP_FID */ 1015a59a8b3Srsb kstat_named_t nrwlock; /* VOP_RWLOCK */ 1025a59a8b3Srsb kstat_named_t nrwunlock; /* VOP_RWUNLOCK */ 1035a59a8b3Srsb kstat_named_t nseek; /* VOP_SEEK */ 1045a59a8b3Srsb kstat_named_t ncmp; /* VOP_CMP */ 1055a59a8b3Srsb kstat_named_t nfrlock; /* VOP_FRLOCK */ 1065a59a8b3Srsb kstat_named_t nspace; /* VOP_SPACE */ 1075a59a8b3Srsb kstat_named_t nrealvp; /* VOP_REALVP */ 1085a59a8b3Srsb kstat_named_t ngetpage; /* VOP_GETPAGE */ 1095a59a8b3Srsb kstat_named_t nputpage; /* VOP_PUTPAGE */ 1105a59a8b3Srsb kstat_named_t nmap; /* VOP_MAP */ 1115a59a8b3Srsb kstat_named_t naddmap; /* VOP_ADDMAP */ 1125a59a8b3Srsb kstat_named_t ndelmap; /* VOP_DELMAP */ 1135a59a8b3Srsb kstat_named_t npoll; /* VOP_POLL */ 1145a59a8b3Srsb kstat_named_t ndump; /* VOP_DUMP */ 1155a59a8b3Srsb kstat_named_t npathconf; /* VOP_PATHCONF */ 1165a59a8b3Srsb kstat_named_t npageio; /* VOP_PAGEIO */ 1175a59a8b3Srsb kstat_named_t ndumpctl; /* VOP_DUMPCTL */ 1185a59a8b3Srsb kstat_named_t ndispose; /* VOP_DISPOSE */ 1195a59a8b3Srsb kstat_named_t nsetsecattr; /* VOP_SETSECATTR */ 1205a59a8b3Srsb kstat_named_t ngetsecattr; /* VOP_GETSECATTR */ 1215a59a8b3Srsb kstat_named_t nshrlock; /* VOP_SHRLOCK */ 1225a59a8b3Srsb kstat_named_t nvnevent; /* VOP_VNEVENT */ 1235a59a8b3Srsb } vopstats_t; 1245a59a8b3Srsb 1257c478bd9Sstevel@tonic-gate /* 1267c478bd9Sstevel@tonic-gate * The vnode is the focus of all file activity in UNIX. 1277c478bd9Sstevel@tonic-gate * A vnode is allocated for each active file, each current 1287c478bd9Sstevel@tonic-gate * directory, each mounted-on file, and the root. 1297c478bd9Sstevel@tonic-gate * 1307c478bd9Sstevel@tonic-gate * Each vnode is usually associated with a file-system-specific node (for 1317c478bd9Sstevel@tonic-gate * UFS, this is the in-memory inode). Generally, a vnode and an fs-node 1327c478bd9Sstevel@tonic-gate * should be created and destroyed together as a pair. 1337c478bd9Sstevel@tonic-gate * 1347c478bd9Sstevel@tonic-gate * If a vnode is reused for a new file, it should be reinitialized by calling 1357c478bd9Sstevel@tonic-gate * either vn_reinit() or vn_recycle(). 1367c478bd9Sstevel@tonic-gate * 1377c478bd9Sstevel@tonic-gate * vn_reinit() resets the entire vnode as if it was returned by vn_alloc(). 1387c478bd9Sstevel@tonic-gate * The caller is responsible for setting up the entire vnode after calling 1397c478bd9Sstevel@tonic-gate * vn_reinit(). This is important when using kmem caching where the vnode is 1407c478bd9Sstevel@tonic-gate * allocated by a constructor, for instance. 1417c478bd9Sstevel@tonic-gate * 1427c478bd9Sstevel@tonic-gate * vn_recycle() is used when the file system keeps some state around in both 1437c478bd9Sstevel@tonic-gate * the vnode and the associated FS-node. In UFS, for example, the inode of 1447c478bd9Sstevel@tonic-gate * a deleted file can be reused immediately. The v_data, v_vfsp, v_op, etc. 1457c478bd9Sstevel@tonic-gate * remains the same but certain fields related to the previous instance need 1467c478bd9Sstevel@tonic-gate * to be reset. In particular: 1477c478bd9Sstevel@tonic-gate * v_femhead 1487c478bd9Sstevel@tonic-gate * v_path 1497c478bd9Sstevel@tonic-gate * v_rdcnt, v_wrcnt 1507c478bd9Sstevel@tonic-gate * v_mmap_read, v_mmap_write 1517c478bd9Sstevel@tonic-gate */ 1527c478bd9Sstevel@tonic-gate 1537c478bd9Sstevel@tonic-gate /* 1547c478bd9Sstevel@tonic-gate * vnode types. VNON means no type. These values are unrelated to 1557c478bd9Sstevel@tonic-gate * values in on-disk inodes. 1567c478bd9Sstevel@tonic-gate */ 1577c478bd9Sstevel@tonic-gate typedef enum vtype { 1587c478bd9Sstevel@tonic-gate VNON = 0, 1597c478bd9Sstevel@tonic-gate VREG = 1, 1607c478bd9Sstevel@tonic-gate VDIR = 2, 1617c478bd9Sstevel@tonic-gate VBLK = 3, 1627c478bd9Sstevel@tonic-gate VCHR = 4, 1637c478bd9Sstevel@tonic-gate VLNK = 5, 1647c478bd9Sstevel@tonic-gate VFIFO = 6, 1657c478bd9Sstevel@tonic-gate VDOOR = 7, 1667c478bd9Sstevel@tonic-gate VPROC = 8, 1677c478bd9Sstevel@tonic-gate VSOCK = 9, 1687c478bd9Sstevel@tonic-gate VPORT = 10, 1697c478bd9Sstevel@tonic-gate VBAD = 11 1707c478bd9Sstevel@tonic-gate } vtype_t; 1717c478bd9Sstevel@tonic-gate 172*1b300de9Sjwahlig /* 173*1b300de9Sjwahlig * VSD - Vnode Specific Data 174*1b300de9Sjwahlig * Used to associate additional private data with a vnode. 175*1b300de9Sjwahlig */ 176*1b300de9Sjwahlig struct vsd_node { 177*1b300de9Sjwahlig list_node_t vs_nodes; /* list of all VSD nodes */ 178*1b300de9Sjwahlig uint_t vs_nkeys; /* entries in value array */ 179*1b300de9Sjwahlig void **vs_value; /* array of value/key */ 180*1b300de9Sjwahlig }; 181*1b300de9Sjwahlig 1827c478bd9Sstevel@tonic-gate /* 1837c478bd9Sstevel@tonic-gate * Many of the fields in the vnode are read-only once they are initialized 1847c478bd9Sstevel@tonic-gate * at vnode creation time. Other fields are protected by locks. 1857c478bd9Sstevel@tonic-gate * 1867c478bd9Sstevel@tonic-gate * IMPORTANT: vnodes should be created ONLY by calls to vn_alloc(). They 1877c478bd9Sstevel@tonic-gate * may not be embedded into the file-system specific node (inode). The 1887c478bd9Sstevel@tonic-gate * size of vnodes may change. 1897c478bd9Sstevel@tonic-gate * 1907c478bd9Sstevel@tonic-gate * The v_lock protects: 1917c478bd9Sstevel@tonic-gate * v_flag 1927c478bd9Sstevel@tonic-gate * v_stream 1937c478bd9Sstevel@tonic-gate * v_count 1947c478bd9Sstevel@tonic-gate * v_shrlocks 1957c478bd9Sstevel@tonic-gate * v_path 196*1b300de9Sjwahlig * v_vsd 1977c478bd9Sstevel@tonic-gate * 1987c478bd9Sstevel@tonic-gate * A special lock (implemented by vn_vfswlock in vnode.c) protects: 1997c478bd9Sstevel@tonic-gate * v_vfsmountedhere 2007c478bd9Sstevel@tonic-gate * 2017c478bd9Sstevel@tonic-gate * The global flock_lock mutex (in flock.c) protects: 2027c478bd9Sstevel@tonic-gate * v_filocks 2037c478bd9Sstevel@tonic-gate * 2047c478bd9Sstevel@tonic-gate * IMPORTANT NOTE: 2057c478bd9Sstevel@tonic-gate * 2067c478bd9Sstevel@tonic-gate * The following vnode fields are considered public and may safely be 2077c478bd9Sstevel@tonic-gate * accessed by file systems or other consumers: 2087c478bd9Sstevel@tonic-gate * 2097c478bd9Sstevel@tonic-gate * v_lock 2107c478bd9Sstevel@tonic-gate * v_flag 2117c478bd9Sstevel@tonic-gate * v_count 2127c478bd9Sstevel@tonic-gate * v_data 2137c478bd9Sstevel@tonic-gate * v_vfsp 2147c478bd9Sstevel@tonic-gate * v_stream 2157c478bd9Sstevel@tonic-gate * v_type 2167c478bd9Sstevel@tonic-gate * v_rdev 2177c478bd9Sstevel@tonic-gate * 2187c478bd9Sstevel@tonic-gate * ALL OTHER FIELDS SHOULD BE ACCESSED ONLY BY THE OWNER OF THAT FIELD. 2197c478bd9Sstevel@tonic-gate * In particular, file systems should not access other fields; they may 2207c478bd9Sstevel@tonic-gate * change or even be removed. The functionality which was once provided 2217c478bd9Sstevel@tonic-gate * by these fields is available through vn_* functions. 2227c478bd9Sstevel@tonic-gate */ 2237c478bd9Sstevel@tonic-gate 2247c478bd9Sstevel@tonic-gate struct fem_head; /* from fem.h */ 2257c478bd9Sstevel@tonic-gate 2267c478bd9Sstevel@tonic-gate typedef struct vnode { 2277c478bd9Sstevel@tonic-gate kmutex_t v_lock; /* protects vnode fields */ 2287c478bd9Sstevel@tonic-gate uint_t v_flag; /* vnode flags (see below) */ 2297c478bd9Sstevel@tonic-gate uint_t v_count; /* reference count */ 2307c478bd9Sstevel@tonic-gate void *v_data; /* private data for fs */ 2317c478bd9Sstevel@tonic-gate struct vfs *v_vfsp; /* ptr to containing VFS */ 2327c478bd9Sstevel@tonic-gate struct stdata *v_stream; /* associated stream */ 2337c478bd9Sstevel@tonic-gate enum vtype v_type; /* vnode type */ 2347c478bd9Sstevel@tonic-gate dev_t v_rdev; /* device (VCHR, VBLK) */ 2357c478bd9Sstevel@tonic-gate 2367c478bd9Sstevel@tonic-gate /* PRIVATE FIELDS BELOW - DO NOT USE */ 2377c478bd9Sstevel@tonic-gate 2387c478bd9Sstevel@tonic-gate struct vfs *v_vfsmountedhere; /* ptr to vfs mounted here */ 2397c478bd9Sstevel@tonic-gate struct vnodeops *v_op; /* vnode operations */ 2407c478bd9Sstevel@tonic-gate struct page *v_pages; /* vnode pages list */ 2417c478bd9Sstevel@tonic-gate pgcnt_t v_npages; /* # pages on this vnode */ 2427c478bd9Sstevel@tonic-gate pgcnt_t v_msnpages; /* # pages charged to v_mset */ 2437c478bd9Sstevel@tonic-gate struct page *v_scanfront; /* scanner front hand */ 2447c478bd9Sstevel@tonic-gate struct page *v_scanback; /* scanner back hand */ 2457c478bd9Sstevel@tonic-gate struct filock *v_filocks; /* ptr to filock list */ 2467c478bd9Sstevel@tonic-gate struct shrlocklist *v_shrlocks; /* ptr to shrlock list */ 2477c478bd9Sstevel@tonic-gate krwlock_t v_nbllock; /* sync for NBMAND locks */ 2487c478bd9Sstevel@tonic-gate kcondvar_t v_cv; /* synchronize locking */ 2497c478bd9Sstevel@tonic-gate void *v_locality; /* hook for locality info */ 2507c478bd9Sstevel@tonic-gate struct fem_head *v_femhead; /* fs monitoring */ 2517c478bd9Sstevel@tonic-gate char *v_path; /* cached path */ 2527c478bd9Sstevel@tonic-gate uint_t v_rdcnt; /* open for read count (VREG only) */ 2537c478bd9Sstevel@tonic-gate uint_t v_wrcnt; /* open for write count (VREG only) */ 2547c478bd9Sstevel@tonic-gate u_longlong_t v_mmap_read; /* mmap read count */ 2557c478bd9Sstevel@tonic-gate u_longlong_t v_mmap_write; /* mmap write count */ 2567c478bd9Sstevel@tonic-gate void *v_mpssdata; /* info for large page mappings */ 2577c478bd9Sstevel@tonic-gate hrtime_t v_scantime; /* last time this vnode was scanned */ 2587c478bd9Sstevel@tonic-gate ushort_t v_mset; /* memory set ID */ 2597c478bd9Sstevel@tonic-gate uint_t v_msflags; /* memory set flags */ 2607c478bd9Sstevel@tonic-gate struct vnode *v_msnext; /* list of vnodes on an mset */ 2617c478bd9Sstevel@tonic-gate struct vnode *v_msprev; /* list of vnodes on an mset */ 2627c478bd9Sstevel@tonic-gate krwlock_t v_mslock; /* protects v_mset */ 263df2381bfSpraks void *v_fopdata; /* list of file ops event watches */ 264*1b300de9Sjwahlig struct vsd_node *v_vsd; /* vnode specific data */ 2657c478bd9Sstevel@tonic-gate } vnode_t; 2667c478bd9Sstevel@tonic-gate 2677c478bd9Sstevel@tonic-gate #define IS_DEVVP(vp) \ 2687c478bd9Sstevel@tonic-gate ((vp)->v_type == VCHR || (vp)->v_type == VBLK || (vp)->v_type == VFIFO) 2697c478bd9Sstevel@tonic-gate 2707c478bd9Sstevel@tonic-gate /* 2717c478bd9Sstevel@tonic-gate * vnode flags. 2727c478bd9Sstevel@tonic-gate */ 2737c478bd9Sstevel@tonic-gate #define VROOT 0x01 /* root of its file system */ 2747c478bd9Sstevel@tonic-gate #define VNOCACHE 0x02 /* don't keep cache pages on vnode */ 2757c478bd9Sstevel@tonic-gate #define VNOMAP 0x04 /* file cannot be mapped/faulted */ 2767c478bd9Sstevel@tonic-gate #define VDUP 0x08 /* file should be dup'ed rather then opened */ 2777c478bd9Sstevel@tonic-gate #define VNOSWAP 0x10 /* file cannot be used as virtual swap device */ 2787c478bd9Sstevel@tonic-gate #define VNOMOUNT 0x20 /* file cannot be covered by mount */ 2797c478bd9Sstevel@tonic-gate #define VISSWAP 0x40 /* vnode is being used for swap */ 2807c478bd9Sstevel@tonic-gate #define VSWAPLIKE 0x80 /* vnode acts like swap (but may not be) */ 2817c478bd9Sstevel@tonic-gate 2827c478bd9Sstevel@tonic-gate #define IS_SWAPVP(vp) (((vp)->v_flag & (VISSWAP | VSWAPLIKE)) != 0) 2837c478bd9Sstevel@tonic-gate 2847c478bd9Sstevel@tonic-gate typedef struct vn_vfslocks_entry { 2857c478bd9Sstevel@tonic-gate rwstlock_t ve_lock; 2867c478bd9Sstevel@tonic-gate void *ve_vpvfs; 2877c478bd9Sstevel@tonic-gate struct vn_vfslocks_entry *ve_next; 2887c478bd9Sstevel@tonic-gate uint32_t ve_refcnt; 2897c478bd9Sstevel@tonic-gate char pad[64 - sizeof (rwstlock_t) - 2 * sizeof (void *) - \ 2907c478bd9Sstevel@tonic-gate sizeof (uint32_t)]; 2917c478bd9Sstevel@tonic-gate } vn_vfslocks_entry_t; 2927c478bd9Sstevel@tonic-gate 2937c478bd9Sstevel@tonic-gate /* 2947c478bd9Sstevel@tonic-gate * The following two flags are used to lock the v_vfsmountedhere field 2957c478bd9Sstevel@tonic-gate */ 2967c478bd9Sstevel@tonic-gate #define VVFSLOCK 0x100 2977c478bd9Sstevel@tonic-gate #define VVFSWAIT 0x200 2987c478bd9Sstevel@tonic-gate 2997c478bd9Sstevel@tonic-gate /* 3007c478bd9Sstevel@tonic-gate * Used to serialize VM operations on a vnode 3017c478bd9Sstevel@tonic-gate */ 3027c478bd9Sstevel@tonic-gate #define VVMLOCK 0x400 3037c478bd9Sstevel@tonic-gate 3047c478bd9Sstevel@tonic-gate /* 3057c478bd9Sstevel@tonic-gate * Tell vn_open() not to fail a directory open for writing but 3067c478bd9Sstevel@tonic-gate * to go ahead and call VOP_OPEN() to let the filesystem check. 3077c478bd9Sstevel@tonic-gate */ 3087c478bd9Sstevel@tonic-gate #define VDIROPEN 0x800 3097c478bd9Sstevel@tonic-gate 3107c478bd9Sstevel@tonic-gate /* 3117c478bd9Sstevel@tonic-gate * Flag to let the VM system know that this file is most likely a binary 3127c478bd9Sstevel@tonic-gate * or shared library since it has been mmap()ed EXEC at some time. 3137c478bd9Sstevel@tonic-gate */ 3147c478bd9Sstevel@tonic-gate #define VVMEXEC 0x1000 3157c478bd9Sstevel@tonic-gate 3167c478bd9Sstevel@tonic-gate #define VPXFS 0x2000 /* clustering: global fs proxy vnode */ 3177c478bd9Sstevel@tonic-gate 3187c478bd9Sstevel@tonic-gate #define IS_PXFSVP(vp) ((vp)->v_flag & VPXFS) 3197c478bd9Sstevel@tonic-gate 3207c478bd9Sstevel@tonic-gate #define V_XATTRDIR 0x4000 /* attribute unnamed directory */ 3217c478bd9Sstevel@tonic-gate 3227c478bd9Sstevel@tonic-gate #define V_LOCALITY 0x8000 /* whether locality aware */ 3237c478bd9Sstevel@tonic-gate 3247c478bd9Sstevel@tonic-gate /* 3257c478bd9Sstevel@tonic-gate * Flag that indicates the VM should maintain the v_pages list with all modified 3267c478bd9Sstevel@tonic-gate * pages on one end and unmodified pages at the other. This makes finding dirty 3277c478bd9Sstevel@tonic-gate * pages to write back to disk much faster at the expense of taking a minor 3287c478bd9Sstevel@tonic-gate * fault on the first store instruction which touches a writable page. 3297c478bd9Sstevel@tonic-gate */ 3307c478bd9Sstevel@tonic-gate #define VMODSORT (0x10000) 3317c478bd9Sstevel@tonic-gate #define IS_VMODSORT(vp) \ 3327c478bd9Sstevel@tonic-gate (pvn_vmodsort_supported != 0 && ((vp)->v_flag & VMODSORT) != 0) 3337c478bd9Sstevel@tonic-gate 3347c478bd9Sstevel@tonic-gate #define VISSWAPFS 0x20000 /* vnode is being used for swapfs */ 3357c478bd9Sstevel@tonic-gate #define IS_SWAPFSVP(vp) (((vp)->v_flag & VISSWAPFS) != 0) 3367c478bd9Sstevel@tonic-gate 3377c478bd9Sstevel@tonic-gate /* 3387c478bd9Sstevel@tonic-gate * Vnode attributes. A bit-mask is supplied as part of the 3397c478bd9Sstevel@tonic-gate * structure to indicate the attributes the caller wants to 3407c478bd9Sstevel@tonic-gate * set (setattr) or extract (getattr). 3417c478bd9Sstevel@tonic-gate */ 3427c478bd9Sstevel@tonic-gate 3437c478bd9Sstevel@tonic-gate /* 3447c478bd9Sstevel@tonic-gate * Note that va_nodeid and va_nblocks are 64bit data type. 3457c478bd9Sstevel@tonic-gate * We support large files over NFSV3. With Solaris client and 3467c478bd9Sstevel@tonic-gate * Server that generates 64bit ino's and sizes these fields 3477c478bd9Sstevel@tonic-gate * will overflow if they are 32 bit sizes. 3487c478bd9Sstevel@tonic-gate */ 3497c478bd9Sstevel@tonic-gate 3507c478bd9Sstevel@tonic-gate typedef struct vattr { 3517c478bd9Sstevel@tonic-gate uint_t va_mask; /* bit-mask of attributes */ 3527c478bd9Sstevel@tonic-gate vtype_t va_type; /* vnode type (for create) */ 3537c478bd9Sstevel@tonic-gate mode_t va_mode; /* file access mode */ 3547c478bd9Sstevel@tonic-gate uid_t va_uid; /* owner user id */ 3557c478bd9Sstevel@tonic-gate gid_t va_gid; /* owner group id */ 3567c478bd9Sstevel@tonic-gate dev_t va_fsid; /* file system id (dev for now) */ 3577c478bd9Sstevel@tonic-gate u_longlong_t va_nodeid; /* node id */ 3587c478bd9Sstevel@tonic-gate nlink_t va_nlink; /* number of references to file */ 3597c478bd9Sstevel@tonic-gate u_offset_t va_size; /* file size in bytes */ 3607c478bd9Sstevel@tonic-gate timestruc_t va_atime; /* time of last access */ 3617c478bd9Sstevel@tonic-gate timestruc_t va_mtime; /* time of last modification */ 3627c478bd9Sstevel@tonic-gate timestruc_t va_ctime; /* time of last status change */ 3637c478bd9Sstevel@tonic-gate dev_t va_rdev; /* device the file represents */ 3647c478bd9Sstevel@tonic-gate uint_t va_blksize; /* fundamental block size */ 3657c478bd9Sstevel@tonic-gate u_longlong_t va_nblocks; /* # of blocks allocated */ 3667c478bd9Sstevel@tonic-gate uint_t va_seq; /* sequence number */ 3677c478bd9Sstevel@tonic-gate } vattr_t; 3687c478bd9Sstevel@tonic-gate 3697c478bd9Sstevel@tonic-gate #ifdef _SYSCALL32 3707c478bd9Sstevel@tonic-gate /* 3717c478bd9Sstevel@tonic-gate * For bigtypes time_t changed to 64 bit on the 64-bit kernel. 3727c478bd9Sstevel@tonic-gate * Define an old version for user/kernel interface 3737c478bd9Sstevel@tonic-gate */ 3747c478bd9Sstevel@tonic-gate 3757c478bd9Sstevel@tonic-gate #if _LONG_LONG_ALIGNMENT == 8 && _LONG_LONG_ALIGNMENT_32 == 4 3767c478bd9Sstevel@tonic-gate #pragma pack(4) 3777c478bd9Sstevel@tonic-gate #endif 3787c478bd9Sstevel@tonic-gate 3797c478bd9Sstevel@tonic-gate typedef struct vattr32 { 3807c478bd9Sstevel@tonic-gate uint32_t va_mask; /* bit-mask of attributes */ 3817c478bd9Sstevel@tonic-gate vtype_t va_type; /* vnode type (for create) */ 3827c478bd9Sstevel@tonic-gate mode32_t va_mode; /* file access mode */ 3837c478bd9Sstevel@tonic-gate uid32_t va_uid; /* owner user id */ 3847c478bd9Sstevel@tonic-gate gid32_t va_gid; /* owner group id */ 3857c478bd9Sstevel@tonic-gate dev32_t va_fsid; /* file system id (dev for now) */ 3867c478bd9Sstevel@tonic-gate u_longlong_t va_nodeid; /* node id */ 3877c478bd9Sstevel@tonic-gate nlink_t va_nlink; /* number of references to file */ 3887c478bd9Sstevel@tonic-gate u_offset_t va_size; /* file size in bytes */ 3897c478bd9Sstevel@tonic-gate timestruc32_t va_atime; /* time of last access */ 3907c478bd9Sstevel@tonic-gate timestruc32_t va_mtime; /* time of last modification */ 3917c478bd9Sstevel@tonic-gate timestruc32_t va_ctime; /* time of last status change */ 3927c478bd9Sstevel@tonic-gate dev32_t va_rdev; /* device the file represents */ 3937c478bd9Sstevel@tonic-gate uint32_t va_blksize; /* fundamental block size */ 3947c478bd9Sstevel@tonic-gate u_longlong_t va_nblocks; /* # of blocks allocated */ 3957c478bd9Sstevel@tonic-gate uint32_t va_seq; /* sequence number */ 3967c478bd9Sstevel@tonic-gate } vattr32_t; 3977c478bd9Sstevel@tonic-gate 3987c478bd9Sstevel@tonic-gate #if _LONG_LONG_ALIGNMENT == 8 && _LONG_LONG_ALIGNMENT_32 == 4 3997c478bd9Sstevel@tonic-gate #pragma pack() 4007c478bd9Sstevel@tonic-gate #endif 4017c478bd9Sstevel@tonic-gate 4027c478bd9Sstevel@tonic-gate #else /* not _SYSCALL32 */ 4037c478bd9Sstevel@tonic-gate #define vattr32 vattr 4047c478bd9Sstevel@tonic-gate typedef vattr_t vattr32_t; 4057c478bd9Sstevel@tonic-gate #endif /* _SYSCALL32 */ 4067c478bd9Sstevel@tonic-gate 4077c478bd9Sstevel@tonic-gate /* 4087c478bd9Sstevel@tonic-gate * Attributes of interest to the caller of setattr or getattr. 4097c478bd9Sstevel@tonic-gate */ 4107c478bd9Sstevel@tonic-gate #define AT_TYPE 0x0001 4117c478bd9Sstevel@tonic-gate #define AT_MODE 0x0002 4127c478bd9Sstevel@tonic-gate #define AT_UID 0x0004 4137c478bd9Sstevel@tonic-gate #define AT_GID 0x0008 4147c478bd9Sstevel@tonic-gate #define AT_FSID 0x0010 4157c478bd9Sstevel@tonic-gate #define AT_NODEID 0x0020 4167c478bd9Sstevel@tonic-gate #define AT_NLINK 0x0040 4177c478bd9Sstevel@tonic-gate #define AT_SIZE 0x0080 4187c478bd9Sstevel@tonic-gate #define AT_ATIME 0x0100 4197c478bd9Sstevel@tonic-gate #define AT_MTIME 0x0200 4207c478bd9Sstevel@tonic-gate #define AT_CTIME 0x0400 4217c478bd9Sstevel@tonic-gate #define AT_RDEV 0x0800 4227c478bd9Sstevel@tonic-gate #define AT_BLKSIZE 0x1000 4237c478bd9Sstevel@tonic-gate #define AT_NBLOCKS 0x2000 4247c478bd9Sstevel@tonic-gate /* 0x4000 */ /* unused */ 4257c478bd9Sstevel@tonic-gate #define AT_SEQ 0x8000 4267c478bd9Sstevel@tonic-gate 4277c478bd9Sstevel@tonic-gate #define AT_ALL (AT_TYPE|AT_MODE|AT_UID|AT_GID|AT_FSID|AT_NODEID|\ 4287c478bd9Sstevel@tonic-gate AT_NLINK|AT_SIZE|AT_ATIME|AT_MTIME|AT_CTIME|\ 4297c478bd9Sstevel@tonic-gate AT_RDEV|AT_BLKSIZE|AT_NBLOCKS|AT_SEQ) 4307c478bd9Sstevel@tonic-gate 4317c478bd9Sstevel@tonic-gate #define AT_STAT (AT_MODE|AT_UID|AT_GID|AT_FSID|AT_NODEID|AT_NLINK|\ 4327c478bd9Sstevel@tonic-gate AT_SIZE|AT_ATIME|AT_MTIME|AT_CTIME|AT_RDEV|AT_TYPE) 4337c478bd9Sstevel@tonic-gate 4347c478bd9Sstevel@tonic-gate #define AT_TIMES (AT_ATIME|AT_MTIME|AT_CTIME) 4357c478bd9Sstevel@tonic-gate 4367c478bd9Sstevel@tonic-gate #define AT_NOSET (AT_NLINK|AT_RDEV|AT_FSID|AT_NODEID|AT_TYPE|\ 4377c478bd9Sstevel@tonic-gate AT_BLKSIZE|AT_NBLOCKS|AT_SEQ) 4387c478bd9Sstevel@tonic-gate 4397c478bd9Sstevel@tonic-gate /* 4407c478bd9Sstevel@tonic-gate * Modes. Some values same as S_xxx entries from stat.h for convenience. 4417c478bd9Sstevel@tonic-gate */ 4427c478bd9Sstevel@tonic-gate #define VSUID 04000 /* set user id on execution */ 4437c478bd9Sstevel@tonic-gate #define VSGID 02000 /* set group id on execution */ 4447c478bd9Sstevel@tonic-gate #define VSVTX 01000 /* save swapped text even after use */ 4457c478bd9Sstevel@tonic-gate 4467c478bd9Sstevel@tonic-gate /* 4477c478bd9Sstevel@tonic-gate * Permissions. 4487c478bd9Sstevel@tonic-gate */ 4497c478bd9Sstevel@tonic-gate #define VREAD 00400 4507c478bd9Sstevel@tonic-gate #define VWRITE 00200 4517c478bd9Sstevel@tonic-gate #define VEXEC 00100 4527c478bd9Sstevel@tonic-gate 4537c478bd9Sstevel@tonic-gate #define MODEMASK 07777 /* mode bits plus permission bits */ 4547c478bd9Sstevel@tonic-gate #define PERMMASK 00777 /* permission bits */ 4557c478bd9Sstevel@tonic-gate 4567c478bd9Sstevel@tonic-gate /* 4577c478bd9Sstevel@tonic-gate * Check whether mandatory file locking is enabled. 4587c478bd9Sstevel@tonic-gate */ 4597c478bd9Sstevel@tonic-gate 4607c478bd9Sstevel@tonic-gate #define MANDMODE(mode) (((mode) & (VSGID|(VEXEC>>3))) == VSGID) 4617c478bd9Sstevel@tonic-gate #define MANDLOCK(vp, mode) ((vp)->v_type == VREG && MANDMODE(mode)) 4627c478bd9Sstevel@tonic-gate 4637c478bd9Sstevel@tonic-gate /* 4647c478bd9Sstevel@tonic-gate * Flags for vnode operations. 4657c478bd9Sstevel@tonic-gate */ 4667c478bd9Sstevel@tonic-gate enum rm { RMFILE, RMDIRECTORY }; /* rm or rmdir (remove) */ 4677c478bd9Sstevel@tonic-gate enum symfollow { NO_FOLLOW, FOLLOW }; /* follow symlinks (or not) */ 4687c478bd9Sstevel@tonic-gate enum vcexcl { NONEXCL, EXCL }; /* (non)excl create */ 4697c478bd9Sstevel@tonic-gate enum create { CRCREAT, CRMKNOD, CRMKDIR }; /* reason for create */ 4707c478bd9Sstevel@tonic-gate 4717c478bd9Sstevel@tonic-gate typedef enum rm rm_t; 4727c478bd9Sstevel@tonic-gate typedef enum symfollow symfollow_t; 4737c478bd9Sstevel@tonic-gate typedef enum vcexcl vcexcl_t; 4747c478bd9Sstevel@tonic-gate typedef enum create create_t; 4757c478bd9Sstevel@tonic-gate 4767c478bd9Sstevel@tonic-gate /* Vnode Events - Used by VOP_VNEVENT */ 4777c478bd9Sstevel@tonic-gate typedef enum vnevent { 4787c478bd9Sstevel@tonic-gate VE_SUPPORT = 0, /* Query */ 4797c478bd9Sstevel@tonic-gate VE_RENAME_SRC = 1, /* Rename, with vnode as source */ 4807c478bd9Sstevel@tonic-gate VE_RENAME_DEST = 2, /* Rename, with vnode as target/destination */ 4817c478bd9Sstevel@tonic-gate VE_REMOVE = 3, /* Remove of vnode's name */ 482df2381bfSpraks VE_RMDIR = 4, /* Remove of directory vnode's name */ 483df2381bfSpraks VE_CREATE = 5, /* Create with vnode's name which exists */ 484df2381bfSpraks VE_LINK = 6, /* Link with vnode's name as source */ 485df2381bfSpraks VE_RENAME_DEST_DIR = 7, /* Rename with vnode as target dir */ 486df2381bfSpraks VE_MOUNTEDOVER = 8 /* File or Filesystem got mounted over vnode */ 4877c478bd9Sstevel@tonic-gate } vnevent_t; 4887c478bd9Sstevel@tonic-gate 4897c478bd9Sstevel@tonic-gate /* 4907c478bd9Sstevel@tonic-gate * Values for checking vnode open and map counts 4917c478bd9Sstevel@tonic-gate */ 4927c478bd9Sstevel@tonic-gate enum v_mode { V_READ, V_WRITE, V_RDORWR, V_RDANDWR }; 4937c478bd9Sstevel@tonic-gate 4947c478bd9Sstevel@tonic-gate typedef enum v_mode v_mode_t; 4957c478bd9Sstevel@tonic-gate 4967c478bd9Sstevel@tonic-gate #define V_TRUE 1 4977c478bd9Sstevel@tonic-gate #define V_FALSE 0 4987c478bd9Sstevel@tonic-gate 4997c478bd9Sstevel@tonic-gate /* 5007c478bd9Sstevel@tonic-gate * Structure used on VOP_GETSECATTR and VOP_SETSECATTR operations 5017c478bd9Sstevel@tonic-gate */ 5027c478bd9Sstevel@tonic-gate 5037c478bd9Sstevel@tonic-gate typedef struct vsecattr { 5047c478bd9Sstevel@tonic-gate uint_t vsa_mask; /* See below */ 5057c478bd9Sstevel@tonic-gate int vsa_aclcnt; /* ACL entry count */ 5067c478bd9Sstevel@tonic-gate void *vsa_aclentp; /* pointer to ACL entries */ 5077c478bd9Sstevel@tonic-gate int vsa_dfaclcnt; /* default ACL entry count */ 5087c478bd9Sstevel@tonic-gate void *vsa_dfaclentp; /* pointer to default ACL entries */ 5097c478bd9Sstevel@tonic-gate } vsecattr_t; 5107c478bd9Sstevel@tonic-gate 5117c478bd9Sstevel@tonic-gate /* vsa_mask values */ 5127c478bd9Sstevel@tonic-gate #define VSA_ACL 0x0001 5137c478bd9Sstevel@tonic-gate #define VSA_ACLCNT 0x0002 5147c478bd9Sstevel@tonic-gate #define VSA_DFACL 0x0004 5157c478bd9Sstevel@tonic-gate #define VSA_DFACLCNT 0x0008 5167c478bd9Sstevel@tonic-gate #define VSA_ACE 0x0010 5177c478bd9Sstevel@tonic-gate #define VSA_ACECNT 0x0020 5187c478bd9Sstevel@tonic-gate 5197c478bd9Sstevel@tonic-gate /* 5207c478bd9Sstevel@tonic-gate * Structure used by various vnode operations to determine 5217c478bd9Sstevel@tonic-gate * the context (pid, host, identity) of a caller. 5227c478bd9Sstevel@tonic-gate * 5237c478bd9Sstevel@tonic-gate * The cc_caller_id is used to identify one or more callers who invoke 5247c478bd9Sstevel@tonic-gate * operations, possibly on behalf of others. For example, the NFS 5257c478bd9Sstevel@tonic-gate * server could have it's own cc_caller_id which can be detected by 5267c478bd9Sstevel@tonic-gate * vnode/vfs operations or (FEM) monitors on those operations. New 5277c478bd9Sstevel@tonic-gate * caller IDs are generated by fs_new_caller_id(). 5287c478bd9Sstevel@tonic-gate */ 5297c478bd9Sstevel@tonic-gate typedef struct caller_context { 5307c478bd9Sstevel@tonic-gate pid_t cc_pid; /* Process ID of the caller */ 5317c478bd9Sstevel@tonic-gate int cc_sysid; /* System ID, used for remote calls */ 5327c478bd9Sstevel@tonic-gate u_longlong_t cc_caller_id; /* Identifier for (set of) caller(s) */ 5337c478bd9Sstevel@tonic-gate } caller_context_t; 5347c478bd9Sstevel@tonic-gate 5357c478bd9Sstevel@tonic-gate /* 5367c478bd9Sstevel@tonic-gate * Structure tags for function prototypes, defined elsewhere. 5377c478bd9Sstevel@tonic-gate */ 5387c478bd9Sstevel@tonic-gate struct pathname; 5397c478bd9Sstevel@tonic-gate struct fid; 5407c478bd9Sstevel@tonic-gate struct flock64; 5417c478bd9Sstevel@tonic-gate struct flk_callback; 5427c478bd9Sstevel@tonic-gate struct shrlock; 5437c478bd9Sstevel@tonic-gate struct page; 5447c478bd9Sstevel@tonic-gate struct seg; 5457c478bd9Sstevel@tonic-gate struct as; 5467c478bd9Sstevel@tonic-gate struct pollhead; 5477c478bd9Sstevel@tonic-gate 548aa59c4cbSrsb #ifdef _KERNEL 549aa59c4cbSrsb 5507c478bd9Sstevel@tonic-gate /* 551aa59c4cbSrsb * VNODE_OPS defines all the vnode operations. It is used to define 552aa59c4cbSrsb * the vnodeops structure (below) and the fs_func_p union (vfs_opreg.h). 553aa59c4cbSrsb */ 554aa59c4cbSrsb #define VNODE_OPS \ 555aa59c4cbSrsb int (*vop_open)(vnode_t **, int, cred_t *); \ 556aa59c4cbSrsb int (*vop_close)(vnode_t *, int, int, offset_t, cred_t *); \ 557aa59c4cbSrsb int (*vop_read)(vnode_t *, uio_t *, int, cred_t *, \ 558aa59c4cbSrsb caller_context_t *); \ 559aa59c4cbSrsb int (*vop_write)(vnode_t *, uio_t *, int, cred_t *, \ 560aa59c4cbSrsb caller_context_t *); \ 561aa59c4cbSrsb int (*vop_ioctl)(vnode_t *, int, intptr_t, int, cred_t *, \ 562aa59c4cbSrsb int *); \ 563aa59c4cbSrsb int (*vop_setfl)(vnode_t *, int, int, cred_t *); \ 564aa59c4cbSrsb int (*vop_getattr)(vnode_t *, vattr_t *, int, cred_t *); \ 565aa59c4cbSrsb int (*vop_setattr)(vnode_t *, vattr_t *, int, cred_t *, \ 566aa59c4cbSrsb caller_context_t *); \ 567aa59c4cbSrsb int (*vop_access)(vnode_t *, int, int, cred_t *); \ 568aa59c4cbSrsb int (*vop_lookup)(vnode_t *, char *, vnode_t **, \ 569aa59c4cbSrsb struct pathname *, \ 570aa59c4cbSrsb int, vnode_t *, cred_t *); \ 571aa59c4cbSrsb int (*vop_create)(vnode_t *, char *, vattr_t *, vcexcl_t, \ 572aa59c4cbSrsb int, vnode_t **, cred_t *, int); \ 573aa59c4cbSrsb int (*vop_remove)(vnode_t *, char *, cred_t *); \ 574aa59c4cbSrsb int (*vop_link)(vnode_t *, vnode_t *, char *, cred_t *); \ 575aa59c4cbSrsb int (*vop_rename)(vnode_t *, char *, vnode_t *, char *, \ 576aa59c4cbSrsb cred_t *); \ 577aa59c4cbSrsb int (*vop_mkdir)(vnode_t *, char *, vattr_t *, vnode_t **, \ 578aa59c4cbSrsb cred_t *); \ 579aa59c4cbSrsb int (*vop_rmdir)(vnode_t *, char *, vnode_t *, cred_t *); \ 580aa59c4cbSrsb int (*vop_readdir)(vnode_t *, uio_t *, cred_t *, int *); \ 581aa59c4cbSrsb int (*vop_symlink)(vnode_t *, char *, vattr_t *, char *, \ 582aa59c4cbSrsb cred_t *); \ 583aa59c4cbSrsb int (*vop_readlink)(vnode_t *, uio_t *, cred_t *); \ 584aa59c4cbSrsb int (*vop_fsync)(vnode_t *, int, cred_t *); \ 585aa59c4cbSrsb void (*vop_inactive)(vnode_t *, cred_t *); \ 586aa59c4cbSrsb int (*vop_fid)(vnode_t *, struct fid *); \ 587aa59c4cbSrsb int (*vop_rwlock)(vnode_t *, int, caller_context_t *); \ 588aa59c4cbSrsb void (*vop_rwunlock)(vnode_t *, int, caller_context_t *); \ 589aa59c4cbSrsb int (*vop_seek)(vnode_t *, offset_t, offset_t *); \ 590aa59c4cbSrsb int (*vop_cmp)(vnode_t *, vnode_t *); \ 591aa59c4cbSrsb int (*vop_frlock)(vnode_t *, int, struct flock64 *, \ 592aa59c4cbSrsb int, offset_t, \ 593aa59c4cbSrsb struct flk_callback *, cred_t *); \ 594aa59c4cbSrsb int (*vop_space)(vnode_t *, int, struct flock64 *, \ 595aa59c4cbSrsb int, offset_t, \ 596aa59c4cbSrsb cred_t *, caller_context_t *); \ 597aa59c4cbSrsb int (*vop_realvp)(vnode_t *, vnode_t **); \ 598aa59c4cbSrsb int (*vop_getpage)(vnode_t *, offset_t, size_t, uint_t *, \ 599aa59c4cbSrsb struct page **, size_t, struct seg *, \ 600aa59c4cbSrsb caddr_t, enum seg_rw, cred_t *); \ 601aa59c4cbSrsb int (*vop_putpage)(vnode_t *, offset_t, size_t, \ 602aa59c4cbSrsb int, cred_t *); \ 603aa59c4cbSrsb int (*vop_map)(vnode_t *, offset_t, struct as *, \ 604aa59c4cbSrsb caddr_t *, size_t, \ 605aa59c4cbSrsb uchar_t, uchar_t, uint_t, cred_t *); \ 606aa59c4cbSrsb int (*vop_addmap)(vnode_t *, offset_t, struct as *, \ 607aa59c4cbSrsb caddr_t, size_t, \ 608aa59c4cbSrsb uchar_t, uchar_t, uint_t, cred_t *); \ 609aa59c4cbSrsb int (*vop_delmap)(vnode_t *, offset_t, struct as *, \ 610aa59c4cbSrsb caddr_t, size_t, \ 611aa59c4cbSrsb uint_t, uint_t, uint_t, cred_t *); \ 612aa59c4cbSrsb int (*vop_poll)(vnode_t *, short, int, short *, \ 613aa59c4cbSrsb struct pollhead **); \ 614aa59c4cbSrsb int (*vop_dump)(vnode_t *, caddr_t, int, int); \ 615aa59c4cbSrsb int (*vop_pathconf)(vnode_t *, int, ulong_t *, cred_t *); \ 616aa59c4cbSrsb int (*vop_pageio)(vnode_t *, struct page *, \ 617aa59c4cbSrsb u_offset_t, size_t, int, cred_t *); \ 618aa59c4cbSrsb int (*vop_dumpctl)(vnode_t *, int, int *); \ 619aa59c4cbSrsb void (*vop_dispose)(vnode_t *, struct page *, \ 620aa59c4cbSrsb int, int, cred_t *); \ 621aa59c4cbSrsb int (*vop_setsecattr)(vnode_t *, vsecattr_t *, \ 622aa59c4cbSrsb int, cred_t *); \ 623aa59c4cbSrsb int (*vop_getsecattr)(vnode_t *, vsecattr_t *, \ 624aa59c4cbSrsb int, cred_t *); \ 625aa59c4cbSrsb int (*vop_shrlock)(vnode_t *, int, struct shrlock *, \ 626aa59c4cbSrsb int, cred_t *); \ 627df2381bfSpraks int (*vop_vnevent)(vnode_t *, vnevent_t, vnode_t *, char *) \ 628df2381bfSpraks /* NB: No ";" */ 629aa59c4cbSrsb 630aa59c4cbSrsb /* 631aa59c4cbSrsb * Operations on vnodes. Note: File systems must never operate directly 6327c478bd9Sstevel@tonic-gate * on a 'vnodeops' structure -- it WILL change in future releases! They 633aa59c4cbSrsb * must use vn_make_ops() to create the structure. 6347c478bd9Sstevel@tonic-gate */ 6357c478bd9Sstevel@tonic-gate typedef struct vnodeops { 6367c478bd9Sstevel@tonic-gate const char *vnop_name; 637aa59c4cbSrsb VNODE_OPS; /* Signatures of all vnode operations (vops) */ 6387c478bd9Sstevel@tonic-gate } vnodeops_t; 6397c478bd9Sstevel@tonic-gate 640aa59c4cbSrsb typedef int (*fs_generic_func_p) (); /* Generic vop/vfsop/femop/fsemop ptr */ 6417c478bd9Sstevel@tonic-gate 6427c478bd9Sstevel@tonic-gate extern int fop_open(vnode_t **, int, cred_t *); 6437c478bd9Sstevel@tonic-gate extern int fop_close(vnode_t *, int, int, offset_t, cred_t *); 6447c478bd9Sstevel@tonic-gate extern int fop_read(vnode_t *, uio_t *, int, cred_t *, caller_context_t *); 6457c478bd9Sstevel@tonic-gate extern int fop_write(vnode_t *, uio_t *, int, cred_t *, 6467c478bd9Sstevel@tonic-gate caller_context_t *); 6477c478bd9Sstevel@tonic-gate extern int fop_ioctl(vnode_t *, int, intptr_t, int, cred_t *, int *); 6487c478bd9Sstevel@tonic-gate extern int fop_setfl(vnode_t *, int, int, cred_t *); 6497c478bd9Sstevel@tonic-gate extern int fop_getattr(vnode_t *, vattr_t *, int, cred_t *); 6507c478bd9Sstevel@tonic-gate extern int fop_setattr(vnode_t *, vattr_t *, int, cred_t *, 6517c478bd9Sstevel@tonic-gate caller_context_t *); 6527c478bd9Sstevel@tonic-gate extern int fop_access(vnode_t *, int, int, cred_t *); 6537c478bd9Sstevel@tonic-gate extern int fop_lookup(vnode_t *, char *, vnode_t **, struct pathname *, 6547c478bd9Sstevel@tonic-gate int, vnode_t *, cred_t *); 6557c478bd9Sstevel@tonic-gate extern int fop_create(vnode_t *, char *, vattr_t *, vcexcl_t, int, 6567c478bd9Sstevel@tonic-gate vnode_t **, cred_t *, int); 6577c478bd9Sstevel@tonic-gate extern int fop_remove(vnode_t *vp, char *, cred_t *); 6587c478bd9Sstevel@tonic-gate extern int fop_link(vnode_t *, vnode_t *, char *, cred_t *); 6597c478bd9Sstevel@tonic-gate extern int fop_rename(vnode_t *, char *, vnode_t *, char *, cred_t *); 6607c478bd9Sstevel@tonic-gate extern int fop_mkdir(vnode_t *, char *, vattr_t *, vnode_t **, cred_t *); 6617c478bd9Sstevel@tonic-gate extern int fop_rmdir(vnode_t *, char *, vnode_t *, cred_t *); 6627c478bd9Sstevel@tonic-gate extern int fop_readdir(vnode_t *, uio_t *, cred_t *, int *); 6637c478bd9Sstevel@tonic-gate extern int fop_symlink(vnode_t *, char *, vattr_t *, char *, cred_t *); 6647c478bd9Sstevel@tonic-gate extern int fop_readlink(vnode_t *, uio_t *, cred_t *); 6657c478bd9Sstevel@tonic-gate extern int fop_fsync(vnode_t *, int, cred_t *); 6667c478bd9Sstevel@tonic-gate extern void fop_inactive(vnode_t *, cred_t *); 6677c478bd9Sstevel@tonic-gate extern int fop_fid(vnode_t *, struct fid *); 6687c478bd9Sstevel@tonic-gate extern int fop_rwlock(vnode_t *, int, caller_context_t *); 6697c478bd9Sstevel@tonic-gate extern void fop_rwunlock(vnode_t *, int, caller_context_t *); 6707c478bd9Sstevel@tonic-gate extern int fop_seek(vnode_t *, offset_t, offset_t *); 6717c478bd9Sstevel@tonic-gate extern int fop_cmp(vnode_t *, vnode_t *); 6727c478bd9Sstevel@tonic-gate extern int fop_frlock(vnode_t *, int, struct flock64 *, int, offset_t, 6737c478bd9Sstevel@tonic-gate struct flk_callback *, cred_t *); 6747c478bd9Sstevel@tonic-gate extern int fop_space(vnode_t *, int, struct flock64 *, int, offset_t, 6757c478bd9Sstevel@tonic-gate cred_t *, caller_context_t *); 6767c478bd9Sstevel@tonic-gate extern int fop_realvp(vnode_t *, vnode_t **); 6777c478bd9Sstevel@tonic-gate extern int fop_getpage(vnode_t *, offset_t, size_t, uint_t *, 6787c478bd9Sstevel@tonic-gate struct page **, size_t, struct seg *, 6797c478bd9Sstevel@tonic-gate caddr_t, enum seg_rw, cred_t *); 6807c478bd9Sstevel@tonic-gate extern int fop_putpage(vnode_t *, offset_t, size_t, int, cred_t *); 6817c478bd9Sstevel@tonic-gate extern int fop_map(vnode_t *, offset_t, struct as *, caddr_t *, size_t, 6827c478bd9Sstevel@tonic-gate uchar_t, uchar_t, uint_t, cred_t *cr); 6837c478bd9Sstevel@tonic-gate extern int fop_addmap(vnode_t *, offset_t, struct as *, caddr_t, size_t, 6847c478bd9Sstevel@tonic-gate uchar_t, uchar_t, uint_t, cred_t *); 6857c478bd9Sstevel@tonic-gate extern int fop_delmap(vnode_t *, offset_t, struct as *, caddr_t, size_t, 6867c478bd9Sstevel@tonic-gate uint_t, uint_t, uint_t, cred_t *); 6877c478bd9Sstevel@tonic-gate extern int fop_poll(vnode_t *, short, int, short *, struct pollhead **); 6887c478bd9Sstevel@tonic-gate extern int fop_dump(vnode_t *, caddr_t, int, int); 6897c478bd9Sstevel@tonic-gate extern int fop_pathconf(vnode_t *, int, ulong_t *, cred_t *); 6907c478bd9Sstevel@tonic-gate extern int fop_pageio(vnode_t *, struct page *, u_offset_t, size_t, int, 6917c478bd9Sstevel@tonic-gate cred_t *); 6927c478bd9Sstevel@tonic-gate extern int fop_dumpctl(vnode_t *, int, int *); 6937c478bd9Sstevel@tonic-gate extern void fop_dispose(vnode_t *, struct page *, int, int, cred_t *); 6947c478bd9Sstevel@tonic-gate extern int fop_setsecattr(vnode_t *, vsecattr_t *, int, cred_t *); 6957c478bd9Sstevel@tonic-gate extern int fop_getsecattr(vnode_t *, vsecattr_t *, int, cred_t *); 6967c478bd9Sstevel@tonic-gate extern int fop_shrlock(vnode_t *, int, struct shrlock *, int, cred_t *); 697df2381bfSpraks extern int fop_vnevent(vnode_t *, vnevent_t, vnode_t *, char *); 6987c478bd9Sstevel@tonic-gate 6997c478bd9Sstevel@tonic-gate #endif /* _KERNEL */ 7007c478bd9Sstevel@tonic-gate 7017c478bd9Sstevel@tonic-gate #define VOP_OPEN(vpp, mode, cr) \ 7027c478bd9Sstevel@tonic-gate fop_open(vpp, mode, cr) 7037c478bd9Sstevel@tonic-gate #define VOP_CLOSE(vp, f, c, o, cr) \ 7047c478bd9Sstevel@tonic-gate fop_close(vp, f, c, o, cr) 7057c478bd9Sstevel@tonic-gate #define VOP_READ(vp, uiop, iof, cr, ct) \ 7067c478bd9Sstevel@tonic-gate fop_read(vp, uiop, iof, cr, ct) 7077c478bd9Sstevel@tonic-gate #define VOP_WRITE(vp, uiop, iof, cr, ct) \ 7087c478bd9Sstevel@tonic-gate fop_write(vp, uiop, iof, cr, ct) 7097c478bd9Sstevel@tonic-gate #define VOP_IOCTL(vp, cmd, a, f, cr, rvp) \ 7107c478bd9Sstevel@tonic-gate fop_ioctl(vp, cmd, a, f, cr, rvp) 7117c478bd9Sstevel@tonic-gate #define VOP_SETFL(vp, f, a, cr) \ 7127c478bd9Sstevel@tonic-gate fop_setfl(vp, f, a, cr) 7137c478bd9Sstevel@tonic-gate #define VOP_GETATTR(vp, vap, f, cr) \ 7147c478bd9Sstevel@tonic-gate fop_getattr(vp, vap, f, cr) 7157c478bd9Sstevel@tonic-gate #define VOP_SETATTR(vp, vap, f, cr, ct) \ 7167c478bd9Sstevel@tonic-gate fop_setattr(vp, vap, f, cr, ct) 7177c478bd9Sstevel@tonic-gate #define VOP_ACCESS(vp, mode, f, cr) \ 7187c478bd9Sstevel@tonic-gate fop_access(vp, mode, f, cr) 7197c478bd9Sstevel@tonic-gate #define VOP_LOOKUP(vp, cp, vpp, pnp, f, rdir, cr) \ 7207c478bd9Sstevel@tonic-gate fop_lookup(vp, cp, vpp, pnp, f, rdir, cr) 7217c478bd9Sstevel@tonic-gate #define VOP_CREATE(dvp, p, vap, ex, mode, vpp, cr, flag) \ 7227c478bd9Sstevel@tonic-gate fop_create(dvp, p, vap, ex, mode, vpp, cr, flag) 7237c478bd9Sstevel@tonic-gate #define VOP_REMOVE(dvp, p, cr) \ 7247c478bd9Sstevel@tonic-gate fop_remove(dvp, p, cr) 7257c478bd9Sstevel@tonic-gate #define VOP_LINK(tdvp, fvp, p, cr) \ 7267c478bd9Sstevel@tonic-gate fop_link(tdvp, fvp, p, cr) 7277c478bd9Sstevel@tonic-gate #define VOP_RENAME(fvp, fnm, tdvp, tnm, cr) \ 7287c478bd9Sstevel@tonic-gate fop_rename(fvp, fnm, tdvp, tnm, cr) 7297c478bd9Sstevel@tonic-gate #define VOP_MKDIR(dp, p, vap, vpp, cr) \ 7307c478bd9Sstevel@tonic-gate fop_mkdir(dp, p, vap, vpp, cr) 7317c478bd9Sstevel@tonic-gate #define VOP_RMDIR(dp, p, cdir, cr) \ 7327c478bd9Sstevel@tonic-gate fop_rmdir(dp, p, cdir, cr) 7337c478bd9Sstevel@tonic-gate #define VOP_READDIR(vp, uiop, cr, eofp) \ 7347c478bd9Sstevel@tonic-gate fop_readdir(vp, uiop, cr, eofp) 7357c478bd9Sstevel@tonic-gate #define VOP_SYMLINK(dvp, lnm, vap, tnm, cr) \ 7367c478bd9Sstevel@tonic-gate fop_symlink(dvp, lnm, vap, tnm, cr) 7377c478bd9Sstevel@tonic-gate #define VOP_READLINK(vp, uiop, cr) \ 7387c478bd9Sstevel@tonic-gate fop_readlink(vp, uiop, cr) 7397c478bd9Sstevel@tonic-gate #define VOP_FSYNC(vp, syncflag, cr) \ 7407c478bd9Sstevel@tonic-gate fop_fsync(vp, syncflag, cr) 7417c478bd9Sstevel@tonic-gate #define VOP_INACTIVE(vp, cr) \ 7427c478bd9Sstevel@tonic-gate fop_inactive(vp, cr) 7437c478bd9Sstevel@tonic-gate #define VOP_FID(vp, fidp) \ 7447c478bd9Sstevel@tonic-gate fop_fid(vp, fidp) 7457c478bd9Sstevel@tonic-gate #define VOP_RWLOCK(vp, w, ct) \ 7467c478bd9Sstevel@tonic-gate fop_rwlock(vp, w, ct) 7477c478bd9Sstevel@tonic-gate #define VOP_RWUNLOCK(vp, w, ct) \ 7487c478bd9Sstevel@tonic-gate fop_rwunlock(vp, w, ct) 7497c478bd9Sstevel@tonic-gate #define VOP_SEEK(vp, ooff, noffp) \ 7507c478bd9Sstevel@tonic-gate fop_seek(vp, ooff, noffp) 7517c478bd9Sstevel@tonic-gate #define VOP_CMP(vp1, vp2) \ 7527c478bd9Sstevel@tonic-gate fop_cmp(vp1, vp2) 7537c478bd9Sstevel@tonic-gate #define VOP_FRLOCK(vp, cmd, a, f, o, cb, cr) \ 7547c478bd9Sstevel@tonic-gate fop_frlock(vp, cmd, a, f, o, cb, cr) 7557c478bd9Sstevel@tonic-gate #define VOP_SPACE(vp, cmd, a, f, o, cr, ct) \ 7567c478bd9Sstevel@tonic-gate fop_space(vp, cmd, a, f, o, cr, ct) 7577c478bd9Sstevel@tonic-gate #define VOP_REALVP(vp1, vp2) \ 7587c478bd9Sstevel@tonic-gate fop_realvp(vp1, vp2) 7597c478bd9Sstevel@tonic-gate #define VOP_GETPAGE(vp, of, sz, pr, pl, ps, sg, a, rw, cr) \ 7607c478bd9Sstevel@tonic-gate fop_getpage(vp, of, sz, pr, pl, ps, sg, a, rw, cr) 7617c478bd9Sstevel@tonic-gate #define VOP_PUTPAGE(vp, of, sz, fl, cr) \ 7627c478bd9Sstevel@tonic-gate fop_putpage(vp, of, sz, fl, cr) 7637c478bd9Sstevel@tonic-gate #define VOP_MAP(vp, of, as, a, sz, p, mp, fl, cr) \ 7647c478bd9Sstevel@tonic-gate fop_map(vp, of, as, a, sz, p, mp, fl, cr) 7657c478bd9Sstevel@tonic-gate #define VOP_ADDMAP(vp, of, as, a, sz, p, mp, fl, cr) \ 7667c478bd9Sstevel@tonic-gate fop_addmap(vp, of, as, a, sz, p, mp, fl, cr) 7677c478bd9Sstevel@tonic-gate #define VOP_DELMAP(vp, of, as, a, sz, p, mp, fl, cr) \ 7687c478bd9Sstevel@tonic-gate fop_delmap(vp, of, as, a, sz, p, mp, fl, cr) 7697c478bd9Sstevel@tonic-gate #define VOP_POLL(vp, events, anyyet, reventsp, phpp) \ 7707c478bd9Sstevel@tonic-gate fop_poll(vp, events, anyyet, reventsp, phpp) 7717c478bd9Sstevel@tonic-gate #define VOP_DUMP(vp, addr, bn, count) \ 7727c478bd9Sstevel@tonic-gate fop_dump(vp, addr, bn, count) 7737c478bd9Sstevel@tonic-gate #define VOP_PATHCONF(vp, cmd, valp, cr) \ 7747c478bd9Sstevel@tonic-gate fop_pathconf(vp, cmd, valp, cr) 7757c478bd9Sstevel@tonic-gate #define VOP_PAGEIO(vp, pp, io_off, io_len, flags, cr) \ 7767c478bd9Sstevel@tonic-gate fop_pageio(vp, pp, io_off, io_len, flags, cr) 7777c478bd9Sstevel@tonic-gate #define VOP_DUMPCTL(vp, action, blkp) \ 7787c478bd9Sstevel@tonic-gate fop_dumpctl(vp, action, blkp) 7797c478bd9Sstevel@tonic-gate #define VOP_DISPOSE(vp, pp, flag, dn, cr) \ 7807c478bd9Sstevel@tonic-gate fop_dispose(vp, pp, flag, dn, cr) 7817c478bd9Sstevel@tonic-gate #define VOP_GETSECATTR(vp, vsap, f, cr) \ 7827c478bd9Sstevel@tonic-gate fop_getsecattr(vp, vsap, f, cr) 7837c478bd9Sstevel@tonic-gate #define VOP_SETSECATTR(vp, vsap, f, cr) \ 7847c478bd9Sstevel@tonic-gate fop_setsecattr(vp, vsap, f, cr) 7857c478bd9Sstevel@tonic-gate #define VOP_SHRLOCK(vp, cmd, shr, f, cr) \ 7867c478bd9Sstevel@tonic-gate fop_shrlock(vp, cmd, shr, f, cr) 787df2381bfSpraks #define VOP_VNEVENT(vp, vnevent, dvp, fnm) \ 788df2381bfSpraks fop_vnevent(vp, vnevent, dvp, fnm) 7897c478bd9Sstevel@tonic-gate 7907c478bd9Sstevel@tonic-gate #define VOPNAME_OPEN "open" 7917c478bd9Sstevel@tonic-gate #define VOPNAME_CLOSE "close" 7927c478bd9Sstevel@tonic-gate #define VOPNAME_READ "read" 7937c478bd9Sstevel@tonic-gate #define VOPNAME_WRITE "write" 7947c478bd9Sstevel@tonic-gate #define VOPNAME_IOCTL "ioctl" 7957c478bd9Sstevel@tonic-gate #define VOPNAME_SETFL "setfl" 7967c478bd9Sstevel@tonic-gate #define VOPNAME_GETATTR "getattr" 7977c478bd9Sstevel@tonic-gate #define VOPNAME_SETATTR "setattr" 7987c478bd9Sstevel@tonic-gate #define VOPNAME_ACCESS "access" 7997c478bd9Sstevel@tonic-gate #define VOPNAME_LOOKUP "lookup" 8007c478bd9Sstevel@tonic-gate #define VOPNAME_CREATE "create" 8017c478bd9Sstevel@tonic-gate #define VOPNAME_REMOVE "remove" 8027c478bd9Sstevel@tonic-gate #define VOPNAME_LINK "link" 8037c478bd9Sstevel@tonic-gate #define VOPNAME_RENAME "rename" 8047c478bd9Sstevel@tonic-gate #define VOPNAME_MKDIR "mkdir" 8057c478bd9Sstevel@tonic-gate #define VOPNAME_RMDIR "rmdir" 8067c478bd9Sstevel@tonic-gate #define VOPNAME_READDIR "readdir" 8077c478bd9Sstevel@tonic-gate #define VOPNAME_SYMLINK "symlink" 8087c478bd9Sstevel@tonic-gate #define VOPNAME_READLINK "readlink" 8097c478bd9Sstevel@tonic-gate #define VOPNAME_FSYNC "fsync" 8107c478bd9Sstevel@tonic-gate #define VOPNAME_INACTIVE "inactive" 8117c478bd9Sstevel@tonic-gate #define VOPNAME_FID "fid" 8127c478bd9Sstevel@tonic-gate #define VOPNAME_RWLOCK "rwlock" 8137c478bd9Sstevel@tonic-gate #define VOPNAME_RWUNLOCK "rwunlock" 8147c478bd9Sstevel@tonic-gate #define VOPNAME_SEEK "seek" 8157c478bd9Sstevel@tonic-gate #define VOPNAME_CMP "cmp" 8167c478bd9Sstevel@tonic-gate #define VOPNAME_FRLOCK "frlock" 8177c478bd9Sstevel@tonic-gate #define VOPNAME_SPACE "space" 8187c478bd9Sstevel@tonic-gate #define VOPNAME_REALVP "realvp" 8197c478bd9Sstevel@tonic-gate #define VOPNAME_GETPAGE "getpage" 8207c478bd9Sstevel@tonic-gate #define VOPNAME_PUTPAGE "putpage" 8217c478bd9Sstevel@tonic-gate #define VOPNAME_MAP "map" 8227c478bd9Sstevel@tonic-gate #define VOPNAME_ADDMAP "addmap" 8237c478bd9Sstevel@tonic-gate #define VOPNAME_DELMAP "delmap" 8247c478bd9Sstevel@tonic-gate #define VOPNAME_POLL "poll" 8257c478bd9Sstevel@tonic-gate #define VOPNAME_DUMP "dump" 8267c478bd9Sstevel@tonic-gate #define VOPNAME_PATHCONF "pathconf" 8277c478bd9Sstevel@tonic-gate #define VOPNAME_PAGEIO "pageio" 8287c478bd9Sstevel@tonic-gate #define VOPNAME_DUMPCTL "dumpctl" 8297c478bd9Sstevel@tonic-gate #define VOPNAME_DISPOSE "dispose" 8307c478bd9Sstevel@tonic-gate #define VOPNAME_GETSECATTR "getsecattr" 8317c478bd9Sstevel@tonic-gate #define VOPNAME_SETSECATTR "setsecattr" 8327c478bd9Sstevel@tonic-gate #define VOPNAME_SHRLOCK "shrlock" 8337c478bd9Sstevel@tonic-gate #define VOPNAME_VNEVENT "vnevent" 8347c478bd9Sstevel@tonic-gate 8357c478bd9Sstevel@tonic-gate /* 8367c478bd9Sstevel@tonic-gate * Flags for VOP_LOOKUP 8377c478bd9Sstevel@tonic-gate */ 8387c478bd9Sstevel@tonic-gate #define LOOKUP_DIR 0x01 /* want parent dir vp */ 8397c478bd9Sstevel@tonic-gate #define LOOKUP_XATTR 0x02 /* lookup up extended attr dir */ 8407c478bd9Sstevel@tonic-gate #define CREATE_XATTR_DIR 0x04 /* Create extended attr dir */ 8417c478bd9Sstevel@tonic-gate 8427c478bd9Sstevel@tonic-gate /* 8437c478bd9Sstevel@tonic-gate * Flags for VOP_RWLOCK/VOP_RWUNLOCK 8447c478bd9Sstevel@tonic-gate * VOP_RWLOCK will return the flag that was actually set, or -1 if none. 8457c478bd9Sstevel@tonic-gate */ 8467c478bd9Sstevel@tonic-gate #define V_WRITELOCK_TRUE (1) /* Request write-lock on the vnode */ 8477c478bd9Sstevel@tonic-gate #define V_WRITELOCK_FALSE (0) /* Request read-lock on the vnode */ 8487c478bd9Sstevel@tonic-gate 8497c478bd9Sstevel@tonic-gate /* 8507c478bd9Sstevel@tonic-gate * Flags for VOP_DUMPCTL 8517c478bd9Sstevel@tonic-gate */ 8527c478bd9Sstevel@tonic-gate #define DUMP_ALLOC 0 8537c478bd9Sstevel@tonic-gate #define DUMP_FREE 1 8547c478bd9Sstevel@tonic-gate #define DUMP_SCAN 2 8557c478bd9Sstevel@tonic-gate 8567c478bd9Sstevel@tonic-gate /* 8577c478bd9Sstevel@tonic-gate * Public vnode manipulation functions. 8587c478bd9Sstevel@tonic-gate */ 8597c478bd9Sstevel@tonic-gate #ifdef _KERNEL 8607c478bd9Sstevel@tonic-gate 8617c478bd9Sstevel@tonic-gate vnode_t *vn_alloc(int); 8627c478bd9Sstevel@tonic-gate void vn_reinit(vnode_t *); 8637c478bd9Sstevel@tonic-gate void vn_recycle(vnode_t *); 8647c478bd9Sstevel@tonic-gate void vn_free(vnode_t *); 8657c478bd9Sstevel@tonic-gate 8667c478bd9Sstevel@tonic-gate int vn_is_readonly(vnode_t *); 8677c478bd9Sstevel@tonic-gate int vn_is_opened(vnode_t *, v_mode_t); 8687c478bd9Sstevel@tonic-gate int vn_is_mapped(vnode_t *, v_mode_t); 8697c478bd9Sstevel@tonic-gate 8707c478bd9Sstevel@tonic-gate int vn_can_change_zones(vnode_t *vp); 8717c478bd9Sstevel@tonic-gate 8727c478bd9Sstevel@tonic-gate int vn_has_flocks(vnode_t *); 8737c478bd9Sstevel@tonic-gate int vn_has_mandatory_locks(vnode_t *, int); 8747c478bd9Sstevel@tonic-gate int vn_has_cached_data(vnode_t *); 8757c478bd9Sstevel@tonic-gate 8767c478bd9Sstevel@tonic-gate void vn_setops(vnode_t *, vnodeops_t *); 8777c478bd9Sstevel@tonic-gate vnodeops_t *vn_getops(vnode_t *); 8787c478bd9Sstevel@tonic-gate int vn_matchops(vnode_t *, vnodeops_t *); 8797c478bd9Sstevel@tonic-gate int vn_matchopval(vnode_t *, char *, fs_generic_func_p); 8807c478bd9Sstevel@tonic-gate int vn_ismntpt(vnode_t *); 8817c478bd9Sstevel@tonic-gate 8827c478bd9Sstevel@tonic-gate struct vfs *vn_mountedvfs(vnode_t *); 8837c478bd9Sstevel@tonic-gate 8847c478bd9Sstevel@tonic-gate void vn_create_cache(void); 8857c478bd9Sstevel@tonic-gate void vn_destroy_cache(void); 8867c478bd9Sstevel@tonic-gate 8877c478bd9Sstevel@tonic-gate void vn_freevnodeops(vnodeops_t *); 8887c478bd9Sstevel@tonic-gate 8897c478bd9Sstevel@tonic-gate int vn_open(char *pnamep, enum uio_seg seg, int filemode, int createmode, 8907c478bd9Sstevel@tonic-gate struct vnode **vpp, enum create crwhy, mode_t umask); 8917c478bd9Sstevel@tonic-gate int vn_openat(char *pnamep, enum uio_seg seg, int filemode, int createmode, 8927c478bd9Sstevel@tonic-gate struct vnode **vpp, enum create crwhy, 8937c478bd9Sstevel@tonic-gate mode_t umask, struct vnode *startvp); 8947c478bd9Sstevel@tonic-gate int vn_create(char *pnamep, enum uio_seg seg, struct vattr *vap, 8957c478bd9Sstevel@tonic-gate enum vcexcl excl, int mode, struct vnode **vpp, 8967c478bd9Sstevel@tonic-gate enum create why, int flag, mode_t umask); 8977c478bd9Sstevel@tonic-gate int vn_createat(char *pnamep, enum uio_seg seg, struct vattr *vap, 8987c478bd9Sstevel@tonic-gate enum vcexcl excl, int mode, struct vnode **vpp, 8997c478bd9Sstevel@tonic-gate enum create why, int flag, mode_t umask, struct vnode *startvp); 9007c478bd9Sstevel@tonic-gate int vn_rdwr(enum uio_rw rw, struct vnode *vp, caddr_t base, ssize_t len, 9017c478bd9Sstevel@tonic-gate offset_t offset, enum uio_seg seg, int ioflag, rlim64_t ulimit, 9027c478bd9Sstevel@tonic-gate cred_t *cr, ssize_t *residp); 9037c478bd9Sstevel@tonic-gate void vn_rele(struct vnode *vp); 9047c478bd9Sstevel@tonic-gate void vn_rele_stream(struct vnode *vp); 9057c478bd9Sstevel@tonic-gate int vn_link(char *from, char *to, enum uio_seg seg); 9067c478bd9Sstevel@tonic-gate int vn_rename(char *from, char *to, enum uio_seg seg); 9077c478bd9Sstevel@tonic-gate int vn_renameat(vnode_t *fdvp, char *fname, vnode_t *tdvp, char *tname, 9087c478bd9Sstevel@tonic-gate enum uio_seg seg); 9097c478bd9Sstevel@tonic-gate int vn_remove(char *fnamep, enum uio_seg seg, enum rm dirflag); 9107c478bd9Sstevel@tonic-gate int vn_removeat(vnode_t *startvp, char *fnamep, enum uio_seg seg, 9117c478bd9Sstevel@tonic-gate enum rm dirflag); 9127c478bd9Sstevel@tonic-gate int vn_compare(vnode_t *vp1, vnode_t *vp2); 9137c478bd9Sstevel@tonic-gate int vn_vfswlock(struct vnode *vp); 9147c478bd9Sstevel@tonic-gate int vn_vfswlock_wait(struct vnode *vp); 9157c478bd9Sstevel@tonic-gate int vn_vfsrlock(struct vnode *vp); 9167c478bd9Sstevel@tonic-gate int vn_vfsrlock_wait(struct vnode *vp); 9177c478bd9Sstevel@tonic-gate void vn_vfsunlock(struct vnode *vp); 9187c478bd9Sstevel@tonic-gate int vn_vfswlock_held(struct vnode *vp); 9197c478bd9Sstevel@tonic-gate vnode_t *specvp(struct vnode *vp, dev_t dev, vtype_t type, struct cred *cr); 9207c478bd9Sstevel@tonic-gate vnode_t *makespecvp(dev_t dev, vtype_t type); 9217c478bd9Sstevel@tonic-gate vn_vfslocks_entry_t *vn_vfslocks_getlock(void *); 9227c478bd9Sstevel@tonic-gate void vn_vfslocks_rele(vn_vfslocks_entry_t *); 9237c478bd9Sstevel@tonic-gate 924ca2c3138Seschrock void vn_copypath(struct vnode *src, struct vnode *dst); 925ca2c3138Seschrock void vn_setpath_str(struct vnode *vp, const char *str, size_t len); 926ca2c3138Seschrock void vn_setpath(vnode_t *rootvp, struct vnode *startvp, struct vnode *vp, 927ca2c3138Seschrock const char *path, size_t plen); 928ca2c3138Seschrock 9297c478bd9Sstevel@tonic-gate /* Vnode event notification */ 930df2381bfSpraks void vnevent_rename_src(vnode_t *, vnode_t *, char *); 931df2381bfSpraks void vnevent_rename_dest(vnode_t *, vnode_t *, char *); 932df2381bfSpraks void vnevent_remove(vnode_t *, vnode_t *, char *); 933df2381bfSpraks void vnevent_rmdir(vnode_t *, vnode_t *, char *); 934df2381bfSpraks void vnevent_create(vnode_t *); 935df2381bfSpraks void vnevent_link(vnode_t *); 936df2381bfSpraks void vnevent_rename_dest_dir(vnode_t *); 937df2381bfSpraks void vnevent_mountedover(vnode_t *); 9387c478bd9Sstevel@tonic-gate int vnevent_support(vnode_t *); 9397c478bd9Sstevel@tonic-gate 940*1b300de9Sjwahlig /* Vnode specific data */ 941*1b300de9Sjwahlig void vsd_create(uint_t *, void (*)(void *)); 942*1b300de9Sjwahlig void vsd_destroy(uint_t *); 943*1b300de9Sjwahlig void *vsd_get(vnode_t *, uint_t); 944*1b300de9Sjwahlig int vsd_set(vnode_t *, uint_t, void *); 945*1b300de9Sjwahlig void vsd_free(vnode_t *); 946*1b300de9Sjwahlig 9477c478bd9Sstevel@tonic-gate /* Context identification */ 9487c478bd9Sstevel@tonic-gate u_longlong_t fs_new_caller_id(); 9497c478bd9Sstevel@tonic-gate 9507c478bd9Sstevel@tonic-gate int vn_vmpss_usepageio(vnode_t *); 9517c478bd9Sstevel@tonic-gate 9527c478bd9Sstevel@tonic-gate /* 9537c478bd9Sstevel@tonic-gate * Needed for use of IS_VMODSORT() in kernel. 9547c478bd9Sstevel@tonic-gate */ 9557c478bd9Sstevel@tonic-gate extern uint_t pvn_vmodsort_supported; 9567c478bd9Sstevel@tonic-gate 9577c478bd9Sstevel@tonic-gate #define VN_HOLD(vp) { \ 9587c478bd9Sstevel@tonic-gate mutex_enter(&(vp)->v_lock); \ 9597c478bd9Sstevel@tonic-gate (vp)->v_count++; \ 9607c478bd9Sstevel@tonic-gate mutex_exit(&(vp)->v_lock); \ 9617c478bd9Sstevel@tonic-gate } 9627c478bd9Sstevel@tonic-gate 9637c478bd9Sstevel@tonic-gate #define VN_RELE(vp) { \ 9647c478bd9Sstevel@tonic-gate vn_rele(vp); \ 9657c478bd9Sstevel@tonic-gate } 9667c478bd9Sstevel@tonic-gate 9677c478bd9Sstevel@tonic-gate #define VN_SET_VFS_TYPE_DEV(vp, vfsp, type, dev) { \ 9687c478bd9Sstevel@tonic-gate (vp)->v_vfsp = (vfsp); \ 9697c478bd9Sstevel@tonic-gate (vp)->v_type = (type); \ 9707c478bd9Sstevel@tonic-gate (vp)->v_rdev = (dev); \ 9717c478bd9Sstevel@tonic-gate } 9727c478bd9Sstevel@tonic-gate 9737c478bd9Sstevel@tonic-gate /* 9747c478bd9Sstevel@tonic-gate * Compare two vnodes for equality. In general this macro should be used 9757c478bd9Sstevel@tonic-gate * in preference to calling VOP_CMP directly. 9767c478bd9Sstevel@tonic-gate */ 9777c478bd9Sstevel@tonic-gate #define VN_CMP(VP1, VP2) ((VP1) == (VP2) ? 1 : \ 9787c478bd9Sstevel@tonic-gate ((VP1) && (VP2) && (vn_getops(VP1) == vn_getops(VP2)) ? \ 9797c478bd9Sstevel@tonic-gate VOP_CMP(VP1, VP2) : 0)) 9807c478bd9Sstevel@tonic-gate 981ad23a2dbSjohansen extern struct vnode kvp; 982ad23a2dbSjohansen extern struct vnode zvp; 983ad23a2dbSjohansen 984ad23a2dbSjohansen #define VN_ISKAS(vp) ((vp) == &kvp || (vp) == &zvp) 985ad23a2dbSjohansen 9867c478bd9Sstevel@tonic-gate #endif /* _KERNEL */ 9877c478bd9Sstevel@tonic-gate 9887c478bd9Sstevel@tonic-gate /* 9897c478bd9Sstevel@tonic-gate * Flags to VOP_SETATTR/VOP_GETATTR. 9907c478bd9Sstevel@tonic-gate */ 9917c478bd9Sstevel@tonic-gate #define ATTR_UTIME 0x01 /* non-default utime(2) request */ 9927c478bd9Sstevel@tonic-gate #define ATTR_EXEC 0x02 /* invocation from exec(2) */ 9937c478bd9Sstevel@tonic-gate #define ATTR_COMM 0x04 /* yield common vp attributes */ 9947c478bd9Sstevel@tonic-gate #define ATTR_HINT 0x08 /* information returned will be `hint' */ 9957c478bd9Sstevel@tonic-gate #define ATTR_REAL 0x10 /* yield attributes of the real vp */ 9967c478bd9Sstevel@tonic-gate 9977c478bd9Sstevel@tonic-gate /* 9987c478bd9Sstevel@tonic-gate * Generally useful macros. 9997c478bd9Sstevel@tonic-gate */ 10007c478bd9Sstevel@tonic-gate #define VBSIZE(vp) ((vp)->v_vfsp->vfs_bsize) 1001fa9e4066Sahrens 1002fa9e4066Sahrens #define VTOZONE(vp) ((vp)->v_vfsp->vfs_zone) 1003fa9e4066Sahrens 10047c478bd9Sstevel@tonic-gate #define NULLVP ((struct vnode *)0) 10057c478bd9Sstevel@tonic-gate #define NULLVPP ((struct vnode **)0) 10067c478bd9Sstevel@tonic-gate 10077c478bd9Sstevel@tonic-gate #ifdef _KERNEL 10087c478bd9Sstevel@tonic-gate 10097c478bd9Sstevel@tonic-gate /* 10107c478bd9Sstevel@tonic-gate * Structure used while handling asynchronous VOP_PUTPAGE operations. 10117c478bd9Sstevel@tonic-gate */ 10127c478bd9Sstevel@tonic-gate struct async_reqs { 10137c478bd9Sstevel@tonic-gate struct async_reqs *a_next; /* pointer to next arg struct */ 10147c478bd9Sstevel@tonic-gate struct vnode *a_vp; /* vnode pointer */ 10157c478bd9Sstevel@tonic-gate u_offset_t a_off; /* offset in file */ 10167c478bd9Sstevel@tonic-gate uint_t a_len; /* size of i/o request */ 10177c478bd9Sstevel@tonic-gate int a_flags; /* flags to indicate operation type */ 10187c478bd9Sstevel@tonic-gate struct cred *a_cred; /* cred pointer */ 10197c478bd9Sstevel@tonic-gate ushort_t a_prealloced; /* set if struct is pre-allocated */ 10207c478bd9Sstevel@tonic-gate }; 10217c478bd9Sstevel@tonic-gate 10227c478bd9Sstevel@tonic-gate /* 10237c478bd9Sstevel@tonic-gate * VN_DISPOSE() -- given a page pointer, safely invoke VOP_DISPOSE(). 10247c478bd9Sstevel@tonic-gate */ 10257c478bd9Sstevel@tonic-gate #define VN_DISPOSE(pp, flag, dn, cr) { \ 10267c478bd9Sstevel@tonic-gate extern struct vnode kvp; \ 1027ad23a2dbSjohansen if ((pp)->p_vnode != NULL && !VN_ISKAS((pp)->p_vnode)) \ 10287c478bd9Sstevel@tonic-gate VOP_DISPOSE((pp)->p_vnode, (pp), (flag), (dn), (cr)); \ 10297c478bd9Sstevel@tonic-gate else if ((flag) == B_FREE) \ 10307c478bd9Sstevel@tonic-gate page_free((pp), (dn)); \ 10317c478bd9Sstevel@tonic-gate else \ 10327c478bd9Sstevel@tonic-gate page_destroy((pp), (dn)); \ 10337c478bd9Sstevel@tonic-gate } 10347c478bd9Sstevel@tonic-gate 10357c478bd9Sstevel@tonic-gate #endif /* _KERNEL */ 10367c478bd9Sstevel@tonic-gate 10377c478bd9Sstevel@tonic-gate #ifdef __cplusplus 10387c478bd9Sstevel@tonic-gate } 10397c478bd9Sstevel@tonic-gate #endif 10407c478bd9Sstevel@tonic-gate 10417c478bd9Sstevel@tonic-gate #endif /* _SYS_VNODE_H */ 1042