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 /* 229d3574bfSNeil Perrin * Copyright 2009 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 #include <sys/types.h> 437c478bd9Sstevel@tonic-gate #include <sys/t_lock.h> 447c478bd9Sstevel@tonic-gate #include <sys/rwstlock.h> 457c478bd9Sstevel@tonic-gate #include <sys/time_impl.h> 467c478bd9Sstevel@tonic-gate #include <sys/cred.h> 477c478bd9Sstevel@tonic-gate #include <sys/uio.h> 487c478bd9Sstevel@tonic-gate #include <sys/resource.h> 497c478bd9Sstevel@tonic-gate #include <vm/seg_enum.h> 505a59a8b3Srsb #include <sys/kstat.h> 515a59a8b3Srsb #include <sys/kmem.h> 521b300de9Sjwahlig #include <sys/list.h> 537c478bd9Sstevel@tonic-gate #ifdef _KERNEL 547c478bd9Sstevel@tonic-gate #include <sys/buf.h> 557c478bd9Sstevel@tonic-gate #endif /* _KERNEL */ 567c478bd9Sstevel@tonic-gate 577c478bd9Sstevel@tonic-gate #ifdef __cplusplus 587c478bd9Sstevel@tonic-gate extern "C" { 597c478bd9Sstevel@tonic-gate #endif 607c478bd9Sstevel@tonic-gate 617c478bd9Sstevel@tonic-gate /* 625a59a8b3Srsb * Statistics for all vnode operations. 635a59a8b3Srsb * All operations record number of ops (since boot/mount/zero'ed). 645a59a8b3Srsb * Certain I/O operations (read, write, readdir) also record number 655a59a8b3Srsb * of bytes transferred. 665a59a8b3Srsb * This appears in two places in the system: one is embedded in each 675a59a8b3Srsb * vfs_t. There is also an array of vopstats_t structures allocated 685a59a8b3Srsb * on a per-fstype basis. 695a59a8b3Srsb */ 705a59a8b3Srsb 715a59a8b3Srsb #define VOPSTATS_STR "vopstats_" /* Initial string for vopstat kstats */ 725a59a8b3Srsb 735a59a8b3Srsb typedef struct vopstats { 745a59a8b3Srsb kstat_named_t nopen; /* VOP_OPEN */ 755a59a8b3Srsb kstat_named_t nclose; /* VOP_CLOSE */ 765a59a8b3Srsb kstat_named_t nread; /* VOP_READ */ 775a59a8b3Srsb kstat_named_t read_bytes; 785a59a8b3Srsb kstat_named_t nwrite; /* VOP_WRITE */ 795a59a8b3Srsb kstat_named_t write_bytes; 805a59a8b3Srsb kstat_named_t nioctl; /* VOP_IOCTL */ 815a59a8b3Srsb kstat_named_t nsetfl; /* VOP_SETFL */ 825a59a8b3Srsb kstat_named_t ngetattr; /* VOP_GETATTR */ 835a59a8b3Srsb kstat_named_t nsetattr; /* VOP_SETATTR */ 845a59a8b3Srsb kstat_named_t naccess; /* VOP_ACCESS */ 855a59a8b3Srsb kstat_named_t nlookup; /* VOP_LOOKUP */ 865a59a8b3Srsb kstat_named_t ncreate; /* VOP_CREATE */ 875a59a8b3Srsb kstat_named_t nremove; /* VOP_REMOVE */ 885a59a8b3Srsb kstat_named_t nlink; /* VOP_LINK */ 895a59a8b3Srsb kstat_named_t nrename; /* VOP_RENAME */ 905a59a8b3Srsb kstat_named_t nmkdir; /* VOP_MKDIR */ 915a59a8b3Srsb kstat_named_t nrmdir; /* VOP_RMDIR */ 925a59a8b3Srsb kstat_named_t nreaddir; /* VOP_READDIR */ 935a59a8b3Srsb kstat_named_t readdir_bytes; 945a59a8b3Srsb kstat_named_t nsymlink; /* VOP_SYMLINK */ 955a59a8b3Srsb kstat_named_t nreadlink; /* VOP_READLINK */ 965a59a8b3Srsb kstat_named_t nfsync; /* VOP_FSYNC */ 975a59a8b3Srsb kstat_named_t ninactive; /* VOP_INACTIVE */ 985a59a8b3Srsb kstat_named_t nfid; /* VOP_FID */ 995a59a8b3Srsb kstat_named_t nrwlock; /* VOP_RWLOCK */ 1005a59a8b3Srsb kstat_named_t nrwunlock; /* VOP_RWUNLOCK */ 1015a59a8b3Srsb kstat_named_t nseek; /* VOP_SEEK */ 1025a59a8b3Srsb kstat_named_t ncmp; /* VOP_CMP */ 1035a59a8b3Srsb kstat_named_t nfrlock; /* VOP_FRLOCK */ 1045a59a8b3Srsb kstat_named_t nspace; /* VOP_SPACE */ 1055a59a8b3Srsb kstat_named_t nrealvp; /* VOP_REALVP */ 1065a59a8b3Srsb kstat_named_t ngetpage; /* VOP_GETPAGE */ 1075a59a8b3Srsb kstat_named_t nputpage; /* VOP_PUTPAGE */ 1085a59a8b3Srsb kstat_named_t nmap; /* VOP_MAP */ 1095a59a8b3Srsb kstat_named_t naddmap; /* VOP_ADDMAP */ 1105a59a8b3Srsb kstat_named_t ndelmap; /* VOP_DELMAP */ 1115a59a8b3Srsb kstat_named_t npoll; /* VOP_POLL */ 1125a59a8b3Srsb kstat_named_t ndump; /* VOP_DUMP */ 1135a59a8b3Srsb kstat_named_t npathconf; /* VOP_PATHCONF */ 1145a59a8b3Srsb kstat_named_t npageio; /* VOP_PAGEIO */ 1155a59a8b3Srsb kstat_named_t ndumpctl; /* VOP_DUMPCTL */ 1165a59a8b3Srsb kstat_named_t ndispose; /* VOP_DISPOSE */ 1175a59a8b3Srsb kstat_named_t nsetsecattr; /* VOP_SETSECATTR */ 1185a59a8b3Srsb kstat_named_t ngetsecattr; /* VOP_GETSECATTR */ 1195a59a8b3Srsb kstat_named_t nshrlock; /* VOP_SHRLOCK */ 1205a59a8b3Srsb kstat_named_t nvnevent; /* VOP_VNEVENT */ 1215a59a8b3Srsb } vopstats_t; 1225a59a8b3Srsb 1235a59a8b3Srsb /* 1247c478bd9Sstevel@tonic-gate * The vnode is the focus of all file activity in UNIX. 1257c478bd9Sstevel@tonic-gate * A vnode is allocated for each active file, each current 1267c478bd9Sstevel@tonic-gate * directory, each mounted-on file, and the root. 1277c478bd9Sstevel@tonic-gate * 1287c478bd9Sstevel@tonic-gate * Each vnode is usually associated with a file-system-specific node (for 1297c478bd9Sstevel@tonic-gate * UFS, this is the in-memory inode). Generally, a vnode and an fs-node 1307c478bd9Sstevel@tonic-gate * should be created and destroyed together as a pair. 1317c478bd9Sstevel@tonic-gate * 1327c478bd9Sstevel@tonic-gate * If a vnode is reused for a new file, it should be reinitialized by calling 1337c478bd9Sstevel@tonic-gate * either vn_reinit() or vn_recycle(). 1347c478bd9Sstevel@tonic-gate * 1357c478bd9Sstevel@tonic-gate * vn_reinit() resets the entire vnode as if it was returned by vn_alloc(). 1367c478bd9Sstevel@tonic-gate * The caller is responsible for setting up the entire vnode after calling 1377c478bd9Sstevel@tonic-gate * vn_reinit(). This is important when using kmem caching where the vnode is 1387c478bd9Sstevel@tonic-gate * allocated by a constructor, for instance. 1397c478bd9Sstevel@tonic-gate * 1407c478bd9Sstevel@tonic-gate * vn_recycle() is used when the file system keeps some state around in both 1417c478bd9Sstevel@tonic-gate * the vnode and the associated FS-node. In UFS, for example, the inode of 1427c478bd9Sstevel@tonic-gate * a deleted file can be reused immediately. The v_data, v_vfsp, v_op, etc. 1437c478bd9Sstevel@tonic-gate * remains the same but certain fields related to the previous instance need 1447c478bd9Sstevel@tonic-gate * to be reset. In particular: 1457c478bd9Sstevel@tonic-gate * v_femhead 1467c478bd9Sstevel@tonic-gate * v_path 1477c478bd9Sstevel@tonic-gate * v_rdcnt, v_wrcnt 1487c478bd9Sstevel@tonic-gate * v_mmap_read, v_mmap_write 1497c478bd9Sstevel@tonic-gate */ 1507c478bd9Sstevel@tonic-gate 1517c478bd9Sstevel@tonic-gate /* 1527c478bd9Sstevel@tonic-gate * vnode types. VNON means no type. These values are unrelated to 1537c478bd9Sstevel@tonic-gate * values in on-disk inodes. 1547c478bd9Sstevel@tonic-gate */ 1557c478bd9Sstevel@tonic-gate typedef enum vtype { 1567c478bd9Sstevel@tonic-gate VNON = 0, 1577c478bd9Sstevel@tonic-gate VREG = 1, 1587c478bd9Sstevel@tonic-gate VDIR = 2, 1597c478bd9Sstevel@tonic-gate VBLK = 3, 1607c478bd9Sstevel@tonic-gate VCHR = 4, 1617c478bd9Sstevel@tonic-gate VLNK = 5, 1627c478bd9Sstevel@tonic-gate VFIFO = 6, 1637c478bd9Sstevel@tonic-gate VDOOR = 7, 1647c478bd9Sstevel@tonic-gate VPROC = 8, 1657c478bd9Sstevel@tonic-gate VSOCK = 9, 1667c478bd9Sstevel@tonic-gate VPORT = 10, 1677c478bd9Sstevel@tonic-gate VBAD = 11 1687c478bd9Sstevel@tonic-gate } vtype_t; 1697c478bd9Sstevel@tonic-gate 1707c478bd9Sstevel@tonic-gate /* 1711b300de9Sjwahlig * VSD - Vnode Specific Data 1721b300de9Sjwahlig * Used to associate additional private data with a vnode. 1731b300de9Sjwahlig */ 1741b300de9Sjwahlig struct vsd_node { 1751b300de9Sjwahlig list_node_t vs_nodes; /* list of all VSD nodes */ 1761b300de9Sjwahlig uint_t vs_nkeys; /* entries in value array */ 1771b300de9Sjwahlig void **vs_value; /* array of value/key */ 1781b300de9Sjwahlig }; 1791b300de9Sjwahlig 1801b300de9Sjwahlig /* 1817c478bd9Sstevel@tonic-gate * Many of the fields in the vnode are read-only once they are initialized 1827c478bd9Sstevel@tonic-gate * at vnode creation time. Other fields are protected by locks. 1837c478bd9Sstevel@tonic-gate * 1847c478bd9Sstevel@tonic-gate * IMPORTANT: vnodes should be created ONLY by calls to vn_alloc(). They 1857c478bd9Sstevel@tonic-gate * may not be embedded into the file-system specific node (inode). The 1867c478bd9Sstevel@tonic-gate * size of vnodes may change. 1877c478bd9Sstevel@tonic-gate * 1887c478bd9Sstevel@tonic-gate * The v_lock protects: 1897c478bd9Sstevel@tonic-gate * v_flag 1907c478bd9Sstevel@tonic-gate * v_stream 1917c478bd9Sstevel@tonic-gate * v_count 1927c478bd9Sstevel@tonic-gate * v_shrlocks 1937c478bd9Sstevel@tonic-gate * v_path 1941b300de9Sjwahlig * v_vsd 195da6c28aaSamw * v_xattrdir 1967c478bd9Sstevel@tonic-gate * 1977c478bd9Sstevel@tonic-gate * A special lock (implemented by vn_vfswlock in vnode.c) protects: 1987c478bd9Sstevel@tonic-gate * v_vfsmountedhere 1997c478bd9Sstevel@tonic-gate * 2007c478bd9Sstevel@tonic-gate * The global flock_lock mutex (in flock.c) protects: 2017c478bd9Sstevel@tonic-gate * v_filocks 2027c478bd9Sstevel@tonic-gate * 2037c478bd9Sstevel@tonic-gate * IMPORTANT NOTE: 2047c478bd9Sstevel@tonic-gate * 2057c478bd9Sstevel@tonic-gate * The following vnode fields are considered public and may safely be 2067c478bd9Sstevel@tonic-gate * accessed by file systems or other consumers: 2077c478bd9Sstevel@tonic-gate * 2087c478bd9Sstevel@tonic-gate * v_lock 2097c478bd9Sstevel@tonic-gate * v_flag 2107c478bd9Sstevel@tonic-gate * v_count 2117c478bd9Sstevel@tonic-gate * v_data 2127c478bd9Sstevel@tonic-gate * v_vfsp 2137c478bd9Sstevel@tonic-gate * v_stream 2147c478bd9Sstevel@tonic-gate * v_type 2157c478bd9Sstevel@tonic-gate * v_rdev 2167c478bd9Sstevel@tonic-gate * 2177c478bd9Sstevel@tonic-gate * ALL OTHER FIELDS SHOULD BE ACCESSED ONLY BY THE OWNER OF THAT FIELD. 2187c478bd9Sstevel@tonic-gate * In particular, file systems should not access other fields; they may 2197c478bd9Sstevel@tonic-gate * change or even be removed. The functionality which was once provided 2207c478bd9Sstevel@tonic-gate * by these fields is available through vn_* functions. 2217c478bd9Sstevel@tonic-gate */ 2227c478bd9Sstevel@tonic-gate 2237c478bd9Sstevel@tonic-gate struct fem_head; /* from fem.h */ 2247c478bd9Sstevel@tonic-gate 2257c478bd9Sstevel@tonic-gate typedef struct vnode { 2267c478bd9Sstevel@tonic-gate kmutex_t v_lock; /* protects vnode fields */ 2277c478bd9Sstevel@tonic-gate uint_t v_flag; /* vnode flags (see below) */ 2287c478bd9Sstevel@tonic-gate uint_t v_count; /* reference count */ 2297c478bd9Sstevel@tonic-gate void *v_data; /* private data for fs */ 2307c478bd9Sstevel@tonic-gate struct vfs *v_vfsp; /* ptr to containing VFS */ 2317c478bd9Sstevel@tonic-gate struct stdata *v_stream; /* associated stream */ 2327c478bd9Sstevel@tonic-gate enum vtype v_type; /* vnode type */ 2337c478bd9Sstevel@tonic-gate dev_t v_rdev; /* device (VCHR, VBLK) */ 2347c478bd9Sstevel@tonic-gate 2357c478bd9Sstevel@tonic-gate /* PRIVATE FIELDS BELOW - DO NOT USE */ 2367c478bd9Sstevel@tonic-gate 2377c478bd9Sstevel@tonic-gate struct vfs *v_vfsmountedhere; /* ptr to vfs mounted here */ 2387c478bd9Sstevel@tonic-gate struct vnodeops *v_op; /* vnode operations */ 2397c478bd9Sstevel@tonic-gate struct page *v_pages; /* vnode pages list */ 2407c478bd9Sstevel@tonic-gate struct filock *v_filocks; /* ptr to filock list */ 2417c478bd9Sstevel@tonic-gate struct shrlocklist *v_shrlocks; /* ptr to shrlock list */ 2427c478bd9Sstevel@tonic-gate krwlock_t v_nbllock; /* sync for NBMAND locks */ 2437c478bd9Sstevel@tonic-gate kcondvar_t v_cv; /* synchronize locking */ 2447c478bd9Sstevel@tonic-gate void *v_locality; /* hook for locality info */ 2457c478bd9Sstevel@tonic-gate struct fem_head *v_femhead; /* fs monitoring */ 2467c478bd9Sstevel@tonic-gate char *v_path; /* cached path */ 2477c478bd9Sstevel@tonic-gate uint_t v_rdcnt; /* open for read count (VREG only) */ 2487c478bd9Sstevel@tonic-gate uint_t v_wrcnt; /* open for write count (VREG only) */ 2497c478bd9Sstevel@tonic-gate u_longlong_t v_mmap_read; /* mmap read count */ 2507c478bd9Sstevel@tonic-gate u_longlong_t v_mmap_write; /* mmap write count */ 2517c478bd9Sstevel@tonic-gate void *v_mpssdata; /* info for large page mappings */ 252df2381bfSpraks void *v_fopdata; /* list of file ops event watches */ 253*d216dff5SRobert Mastors kmutex_t v_vsd_lock; /* protects v_vsd field */ 2541b300de9Sjwahlig struct vsd_node *v_vsd; /* vnode specific data */ 255da6c28aaSamw struct vnode *v_xattrdir; /* unnamed extended attr dir (GFS) */ 256b5fca8f8Stomee uint_t v_count_dnlc; /* dnlc reference count */ 2577c478bd9Sstevel@tonic-gate } vnode_t; 2587c478bd9Sstevel@tonic-gate 2597c478bd9Sstevel@tonic-gate #define IS_DEVVP(vp) \ 2607c478bd9Sstevel@tonic-gate ((vp)->v_type == VCHR || (vp)->v_type == VBLK || (vp)->v_type == VFIFO) 2617c478bd9Sstevel@tonic-gate 2627c478bd9Sstevel@tonic-gate /* 2637c478bd9Sstevel@tonic-gate * vnode flags. 2647c478bd9Sstevel@tonic-gate */ 2657c478bd9Sstevel@tonic-gate #define VROOT 0x01 /* root of its file system */ 2667c478bd9Sstevel@tonic-gate #define VNOCACHE 0x02 /* don't keep cache pages on vnode */ 2677c478bd9Sstevel@tonic-gate #define VNOMAP 0x04 /* file cannot be mapped/faulted */ 2687c478bd9Sstevel@tonic-gate #define VDUP 0x08 /* file should be dup'ed rather then opened */ 2697c478bd9Sstevel@tonic-gate #define VNOSWAP 0x10 /* file cannot be used as virtual swap device */ 2707c478bd9Sstevel@tonic-gate #define VNOMOUNT 0x20 /* file cannot be covered by mount */ 2717c478bd9Sstevel@tonic-gate #define VISSWAP 0x40 /* vnode is being used for swap */ 2727c478bd9Sstevel@tonic-gate #define VSWAPLIKE 0x80 /* vnode acts like swap (but may not be) */ 2737c478bd9Sstevel@tonic-gate 2747c478bd9Sstevel@tonic-gate #define IS_SWAPVP(vp) (((vp)->v_flag & (VISSWAP | VSWAPLIKE)) != 0) 2757c478bd9Sstevel@tonic-gate 2767c478bd9Sstevel@tonic-gate typedef struct vn_vfslocks_entry { 2777c478bd9Sstevel@tonic-gate rwstlock_t ve_lock; 2787c478bd9Sstevel@tonic-gate void *ve_vpvfs; 2797c478bd9Sstevel@tonic-gate struct vn_vfslocks_entry *ve_next; 2807c478bd9Sstevel@tonic-gate uint32_t ve_refcnt; 2817c478bd9Sstevel@tonic-gate char pad[64 - sizeof (rwstlock_t) - 2 * sizeof (void *) - \ 2827c478bd9Sstevel@tonic-gate sizeof (uint32_t)]; 2837c478bd9Sstevel@tonic-gate } vn_vfslocks_entry_t; 2847c478bd9Sstevel@tonic-gate 2857c478bd9Sstevel@tonic-gate /* 2867c478bd9Sstevel@tonic-gate * The following two flags are used to lock the v_vfsmountedhere field 2877c478bd9Sstevel@tonic-gate */ 2887c478bd9Sstevel@tonic-gate #define VVFSLOCK 0x100 2897c478bd9Sstevel@tonic-gate #define VVFSWAIT 0x200 2907c478bd9Sstevel@tonic-gate 2917c478bd9Sstevel@tonic-gate /* 2927c478bd9Sstevel@tonic-gate * Used to serialize VM operations on a vnode 2937c478bd9Sstevel@tonic-gate */ 2947c478bd9Sstevel@tonic-gate #define VVMLOCK 0x400 2957c478bd9Sstevel@tonic-gate 2967c478bd9Sstevel@tonic-gate /* 2977c478bd9Sstevel@tonic-gate * Tell vn_open() not to fail a directory open for writing but 2987c478bd9Sstevel@tonic-gate * to go ahead and call VOP_OPEN() to let the filesystem check. 2997c478bd9Sstevel@tonic-gate */ 3007c478bd9Sstevel@tonic-gate #define VDIROPEN 0x800 3017c478bd9Sstevel@tonic-gate 3027c478bd9Sstevel@tonic-gate /* 3037c478bd9Sstevel@tonic-gate * Flag to let the VM system know that this file is most likely a binary 3047c478bd9Sstevel@tonic-gate * or shared library since it has been mmap()ed EXEC at some time. 3057c478bd9Sstevel@tonic-gate */ 3067c478bd9Sstevel@tonic-gate #define VVMEXEC 0x1000 3077c478bd9Sstevel@tonic-gate 3087c478bd9Sstevel@tonic-gate #define VPXFS 0x2000 /* clustering: global fs proxy vnode */ 3097c478bd9Sstevel@tonic-gate 3107c478bd9Sstevel@tonic-gate #define IS_PXFSVP(vp) ((vp)->v_flag & VPXFS) 3117c478bd9Sstevel@tonic-gate 3127c478bd9Sstevel@tonic-gate #define V_XATTRDIR 0x4000 /* attribute unnamed directory */ 3137c478bd9Sstevel@tonic-gate 314ab04eb8eStimh #define IS_XATTRDIR(vp) ((vp)->v_flag & V_XATTRDIR) 315ab04eb8eStimh 3167c478bd9Sstevel@tonic-gate #define V_LOCALITY 0x8000 /* whether locality aware */ 3177c478bd9Sstevel@tonic-gate 3187c478bd9Sstevel@tonic-gate /* 3197c478bd9Sstevel@tonic-gate * Flag that indicates the VM should maintain the v_pages list with all modified 3207c478bd9Sstevel@tonic-gate * pages on one end and unmodified pages at the other. This makes finding dirty 3217c478bd9Sstevel@tonic-gate * pages to write back to disk much faster at the expense of taking a minor 3227c478bd9Sstevel@tonic-gate * fault on the first store instruction which touches a writable page. 3237c478bd9Sstevel@tonic-gate */ 3247c478bd9Sstevel@tonic-gate #define VMODSORT (0x10000) 3257c478bd9Sstevel@tonic-gate #define IS_VMODSORT(vp) \ 3267c478bd9Sstevel@tonic-gate (pvn_vmodsort_supported != 0 && ((vp)->v_flag & VMODSORT) != 0) 3277c478bd9Sstevel@tonic-gate 3287c478bd9Sstevel@tonic-gate #define VISSWAPFS 0x20000 /* vnode is being used for swapfs */ 3297c478bd9Sstevel@tonic-gate #define IS_SWAPFSVP(vp) (((vp)->v_flag & VISSWAPFS) != 0) 3307c478bd9Sstevel@tonic-gate 331da6c28aaSamw #define V_SYSATTR 0x40000 /* vnode is a GFS system attribute */ 332da6c28aaSamw 3337c478bd9Sstevel@tonic-gate /* 3347c478bd9Sstevel@tonic-gate * Vnode attributes. A bit-mask is supplied as part of the 3357c478bd9Sstevel@tonic-gate * structure to indicate the attributes the caller wants to 3367c478bd9Sstevel@tonic-gate * set (setattr) or extract (getattr). 3377c478bd9Sstevel@tonic-gate */ 3387c478bd9Sstevel@tonic-gate 3397c478bd9Sstevel@tonic-gate /* 3407c478bd9Sstevel@tonic-gate * Note that va_nodeid and va_nblocks are 64bit data type. 3417c478bd9Sstevel@tonic-gate * We support large files over NFSV3. With Solaris client and 3427c478bd9Sstevel@tonic-gate * Server that generates 64bit ino's and sizes these fields 3437c478bd9Sstevel@tonic-gate * will overflow if they are 32 bit sizes. 3447c478bd9Sstevel@tonic-gate */ 3457c478bd9Sstevel@tonic-gate 3467c478bd9Sstevel@tonic-gate typedef struct vattr { 3477c478bd9Sstevel@tonic-gate uint_t va_mask; /* bit-mask of attributes */ 3487c478bd9Sstevel@tonic-gate vtype_t va_type; /* vnode type (for create) */ 3497c478bd9Sstevel@tonic-gate mode_t va_mode; /* file access mode */ 3507c478bd9Sstevel@tonic-gate uid_t va_uid; /* owner user id */ 3517c478bd9Sstevel@tonic-gate gid_t va_gid; /* owner group id */ 3527c478bd9Sstevel@tonic-gate dev_t va_fsid; /* file system id (dev for now) */ 3537c478bd9Sstevel@tonic-gate u_longlong_t va_nodeid; /* node id */ 3547c478bd9Sstevel@tonic-gate nlink_t va_nlink; /* number of references to file */ 3557c478bd9Sstevel@tonic-gate u_offset_t va_size; /* file size in bytes */ 3567c478bd9Sstevel@tonic-gate timestruc_t va_atime; /* time of last access */ 3577c478bd9Sstevel@tonic-gate timestruc_t va_mtime; /* time of last modification */ 3587c478bd9Sstevel@tonic-gate timestruc_t va_ctime; /* time of last status change */ 3597c478bd9Sstevel@tonic-gate dev_t va_rdev; /* device the file represents */ 3607c478bd9Sstevel@tonic-gate uint_t va_blksize; /* fundamental block size */ 3617c478bd9Sstevel@tonic-gate u_longlong_t va_nblocks; /* # of blocks allocated */ 3627c478bd9Sstevel@tonic-gate uint_t va_seq; /* sequence number */ 3637c478bd9Sstevel@tonic-gate } vattr_t; 3647c478bd9Sstevel@tonic-gate 365da6c28aaSamw #define AV_SCANSTAMP_SZ 32 /* length of anti-virus scanstamp */ 366da6c28aaSamw 367da6c28aaSamw /* 368da6c28aaSamw * Structure of all optional attributes. 369da6c28aaSamw */ 370da6c28aaSamw typedef struct xoptattr { 371da6c28aaSamw timestruc_t xoa_createtime; /* Create time of file */ 372da6c28aaSamw uint8_t xoa_archive; 373da6c28aaSamw uint8_t xoa_system; 374da6c28aaSamw uint8_t xoa_readonly; 375da6c28aaSamw uint8_t xoa_hidden; 376da6c28aaSamw uint8_t xoa_nounlink; 377da6c28aaSamw uint8_t xoa_immutable; 378da6c28aaSamw uint8_t xoa_appendonly; 379da6c28aaSamw uint8_t xoa_nodump; 380da6c28aaSamw uint8_t xoa_opaque; 381da6c28aaSamw uint8_t xoa_av_quarantined; 382da6c28aaSamw uint8_t xoa_av_modified; 383da6c28aaSamw uint8_t xoa_av_scanstamp[AV_SCANSTAMP_SZ]; 384da6c28aaSamw } xoptattr_t; 385da6c28aaSamw 386da6c28aaSamw /* 387da6c28aaSamw * The xvattr structure is really a variable length structure that 388da6c28aaSamw * is made up of: 389da6c28aaSamw * - The classic vattr_t (xva_vattr) 390da6c28aaSamw * - a 32 bit quantity (xva_mapsize) that specifies the size of the 391da6c28aaSamw * attribute bitmaps in 32 bit words. 392da6c28aaSamw * - A pointer to the returned attribute bitmap (needed because the 393da6c28aaSamw * previous element, the requested attribute bitmap) is variable lenth. 394da6c28aaSamw * - The requested attribute bitmap, which is an array of 32 bit words. 395da6c28aaSamw * Callers use the XVA_SET_REQ() macro to set the bits corresponding to 396da6c28aaSamw * the attributes that are being requested. 397da6c28aaSamw * - The returned attribute bitmap, which is an array of 32 bit words. 398da6c28aaSamw * File systems that support optional attributes use the XVA_SET_RTN() 399da6c28aaSamw * macro to set the bits corresponding to the attributes that are being 400da6c28aaSamw * returned. 401da6c28aaSamw * - The xoptattr_t structure which contains the attribute values 402da6c28aaSamw * 403da6c28aaSamw * xva_mapsize determines how many words in the attribute bitmaps. 404da6c28aaSamw * Immediately following the attribute bitmaps is the xoptattr_t. 405da6c28aaSamw * xva_getxoptattr() is used to get the pointer to the xoptattr_t 406da6c28aaSamw * section. 407da6c28aaSamw */ 408da6c28aaSamw 409da6c28aaSamw #define XVA_MAPSIZE 3 /* Size of attr bitmaps */ 410da6c28aaSamw #define XVA_MAGIC 0x78766174 /* Magic # for verification */ 411da6c28aaSamw 412da6c28aaSamw /* 413da6c28aaSamw * The xvattr structure is an extensible structure which permits optional 414da6c28aaSamw * attributes to be requested/returned. File systems may or may not support 415da6c28aaSamw * optional attributes. They do so at their own discretion but if they do 416da6c28aaSamw * support optional attributes, they must register the VFSFT_XVATTR feature 417da6c28aaSamw * so that the optional attributes can be set/retrived. 418da6c28aaSamw * 419da6c28aaSamw * The fields of the xvattr structure are: 420da6c28aaSamw * 421da6c28aaSamw * xva_vattr - The first element of an xvattr is a legacy vattr structure 422da6c28aaSamw * which includes the common attributes. If AT_XVATTR is set in the va_mask 423da6c28aaSamw * then the entire structure is treated as an xvattr. If AT_XVATTR is not 424da6c28aaSamw * set, then only the xva_vattr structure can be used. 425da6c28aaSamw * 426da6c28aaSamw * xva_magic - 0x78766174 (hex for "xvat"). Magic number for verification. 427da6c28aaSamw * 428da6c28aaSamw * xva_mapsize - Size of requested and returned attribute bitmaps. 429da6c28aaSamw * 430da6c28aaSamw * xva_rtnattrmapp - Pointer to xva_rtnattrmap[]. We need this since the 431da6c28aaSamw * size of the array before it, xva_reqattrmap[], could change which means 432da6c28aaSamw * the location of xva_rtnattrmap[] could change. This will allow unbundled 433da6c28aaSamw * file systems to find the location of xva_rtnattrmap[] when the sizes change. 434da6c28aaSamw * 435da6c28aaSamw * xva_reqattrmap[] - Array of requested attributes. Attributes are 436da6c28aaSamw * represented by a specific bit in a specific element of the attribute 437da6c28aaSamw * map array. Callers set the bits corresponding to the attributes 438da6c28aaSamw * that the caller wants to get/set. 439da6c28aaSamw * 440da6c28aaSamw * xva_rtnattrmap[] - Array of attributes that the file system was able to 441da6c28aaSamw * process. Not all file systems support all optional attributes. This map 442da6c28aaSamw * informs the caller which attributes the underlying file system was able 443da6c28aaSamw * to set/get. (Same structure as the requested attributes array in terms 444da6c28aaSamw * of each attribute corresponding to specific bits and array elements.) 445da6c28aaSamw * 446da6c28aaSamw * xva_xoptattrs - Structure containing values of optional attributes. 447da6c28aaSamw * These values are only valid if the corresponding bits in xva_reqattrmap 448da6c28aaSamw * are set and the underlying file system supports those attributes. 449da6c28aaSamw */ 450da6c28aaSamw typedef struct xvattr { 451da6c28aaSamw vattr_t xva_vattr; /* Embedded vattr structure */ 452da6c28aaSamw uint32_t xva_magic; /* Magic Number */ 453da6c28aaSamw uint32_t xva_mapsize; /* Size of attr bitmap (32-bit words) */ 454da6c28aaSamw uint32_t *xva_rtnattrmapp; /* Ptr to xva_rtnattrmap[] */ 455da6c28aaSamw uint32_t xva_reqattrmap[XVA_MAPSIZE]; /* Requested attrs */ 456da6c28aaSamw uint32_t xva_rtnattrmap[XVA_MAPSIZE]; /* Returned attrs */ 457da6c28aaSamw xoptattr_t xva_xoptattrs; /* Optional attributes */ 458da6c28aaSamw } xvattr_t; 459da6c28aaSamw 4607c478bd9Sstevel@tonic-gate #ifdef _SYSCALL32 4617c478bd9Sstevel@tonic-gate /* 4627c478bd9Sstevel@tonic-gate * For bigtypes time_t changed to 64 bit on the 64-bit kernel. 4637c478bd9Sstevel@tonic-gate * Define an old version for user/kernel interface 4647c478bd9Sstevel@tonic-gate */ 4657c478bd9Sstevel@tonic-gate 4667c478bd9Sstevel@tonic-gate #if _LONG_LONG_ALIGNMENT == 8 && _LONG_LONG_ALIGNMENT_32 == 4 4677c478bd9Sstevel@tonic-gate #pragma pack(4) 4687c478bd9Sstevel@tonic-gate #endif 4697c478bd9Sstevel@tonic-gate 4707c478bd9Sstevel@tonic-gate typedef struct vattr32 { 4717c478bd9Sstevel@tonic-gate uint32_t va_mask; /* bit-mask of attributes */ 4727c478bd9Sstevel@tonic-gate vtype_t va_type; /* vnode type (for create) */ 4737c478bd9Sstevel@tonic-gate mode32_t va_mode; /* file access mode */ 4747c478bd9Sstevel@tonic-gate uid32_t va_uid; /* owner user id */ 4757c478bd9Sstevel@tonic-gate gid32_t va_gid; /* owner group id */ 4767c478bd9Sstevel@tonic-gate dev32_t va_fsid; /* file system id (dev for now) */ 4777c478bd9Sstevel@tonic-gate u_longlong_t va_nodeid; /* node id */ 4787c478bd9Sstevel@tonic-gate nlink_t va_nlink; /* number of references to file */ 4797c478bd9Sstevel@tonic-gate u_offset_t va_size; /* file size in bytes */ 4807c478bd9Sstevel@tonic-gate timestruc32_t va_atime; /* time of last access */ 4817c478bd9Sstevel@tonic-gate timestruc32_t va_mtime; /* time of last modification */ 4827c478bd9Sstevel@tonic-gate timestruc32_t va_ctime; /* time of last status change */ 4837c478bd9Sstevel@tonic-gate dev32_t va_rdev; /* device the file represents */ 4847c478bd9Sstevel@tonic-gate uint32_t va_blksize; /* fundamental block size */ 4857c478bd9Sstevel@tonic-gate u_longlong_t va_nblocks; /* # of blocks allocated */ 4867c478bd9Sstevel@tonic-gate uint32_t va_seq; /* sequence number */ 4877c478bd9Sstevel@tonic-gate } vattr32_t; 4887c478bd9Sstevel@tonic-gate 4897c478bd9Sstevel@tonic-gate #if _LONG_LONG_ALIGNMENT == 8 && _LONG_LONG_ALIGNMENT_32 == 4 4907c478bd9Sstevel@tonic-gate #pragma pack() 4917c478bd9Sstevel@tonic-gate #endif 4927c478bd9Sstevel@tonic-gate 4937c478bd9Sstevel@tonic-gate #else /* not _SYSCALL32 */ 4947c478bd9Sstevel@tonic-gate #define vattr32 vattr 4957c478bd9Sstevel@tonic-gate typedef vattr_t vattr32_t; 4967c478bd9Sstevel@tonic-gate #endif /* _SYSCALL32 */ 4977c478bd9Sstevel@tonic-gate 4987c478bd9Sstevel@tonic-gate /* 4997c478bd9Sstevel@tonic-gate * Attributes of interest to the caller of setattr or getattr. 5007c478bd9Sstevel@tonic-gate */ 501da6c28aaSamw #define AT_TYPE 0x00001 502da6c28aaSamw #define AT_MODE 0x00002 503da6c28aaSamw #define AT_UID 0x00004 504da6c28aaSamw #define AT_GID 0x00008 505da6c28aaSamw #define AT_FSID 0x00010 506da6c28aaSamw #define AT_NODEID 0x00020 507da6c28aaSamw #define AT_NLINK 0x00040 508da6c28aaSamw #define AT_SIZE 0x00080 509da6c28aaSamw #define AT_ATIME 0x00100 510da6c28aaSamw #define AT_MTIME 0x00200 511da6c28aaSamw #define AT_CTIME 0x00400 512da6c28aaSamw #define AT_RDEV 0x00800 513da6c28aaSamw #define AT_BLKSIZE 0x01000 514da6c28aaSamw #define AT_NBLOCKS 0x02000 515da6c28aaSamw /* 0x04000 */ /* unused */ 516da6c28aaSamw #define AT_SEQ 0x08000 517da6c28aaSamw /* 518da6c28aaSamw * If AT_XVATTR is set then there are additional bits to process in 519da6c28aaSamw * the xvattr_t's attribute bitmap. If this is not set then the bitmap 520da6c28aaSamw * MUST be ignored. Note that this bit must be set/cleared explicitly. 521da6c28aaSamw * That is, setting AT_ALL will NOT set AT_XVATTR. 522da6c28aaSamw */ 523da6c28aaSamw #define AT_XVATTR 0x10000 5247c478bd9Sstevel@tonic-gate 5257c478bd9Sstevel@tonic-gate #define AT_ALL (AT_TYPE|AT_MODE|AT_UID|AT_GID|AT_FSID|AT_NODEID|\ 5267c478bd9Sstevel@tonic-gate AT_NLINK|AT_SIZE|AT_ATIME|AT_MTIME|AT_CTIME|\ 5277c478bd9Sstevel@tonic-gate AT_RDEV|AT_BLKSIZE|AT_NBLOCKS|AT_SEQ) 5287c478bd9Sstevel@tonic-gate 5297c478bd9Sstevel@tonic-gate #define AT_STAT (AT_MODE|AT_UID|AT_GID|AT_FSID|AT_NODEID|AT_NLINK|\ 5307c478bd9Sstevel@tonic-gate AT_SIZE|AT_ATIME|AT_MTIME|AT_CTIME|AT_RDEV|AT_TYPE) 5317c478bd9Sstevel@tonic-gate 5327c478bd9Sstevel@tonic-gate #define AT_TIMES (AT_ATIME|AT_MTIME|AT_CTIME) 5337c478bd9Sstevel@tonic-gate 5347c478bd9Sstevel@tonic-gate #define AT_NOSET (AT_NLINK|AT_RDEV|AT_FSID|AT_NODEID|AT_TYPE|\ 5357c478bd9Sstevel@tonic-gate AT_BLKSIZE|AT_NBLOCKS|AT_SEQ) 5367c478bd9Sstevel@tonic-gate 5377c478bd9Sstevel@tonic-gate /* 538da6c28aaSamw * Attribute bits used in the extensible attribute's (xva's) attribute 539da6c28aaSamw * bitmaps. Note that the bitmaps are made up of a variable length number 540da6c28aaSamw * of 32-bit words. The convention is to use XAT{n}_{attrname} where "n" 541da6c28aaSamw * is the element in the bitmap (starting at 1). This convention is for 542da6c28aaSamw * the convenience of the maintainer to keep track of which element each 543da6c28aaSamw * attribute belongs to. 544da6c28aaSamw * 545da6c28aaSamw * NOTE THAT CONSUMERS MUST *NOT* USE THE XATn_* DEFINES DIRECTLY. CONSUMERS 546da6c28aaSamw * MUST USE THE XAT_* DEFINES. 547da6c28aaSamw */ 548da6c28aaSamw #define XAT0_INDEX 0LL /* Index into bitmap for XAT0 attrs */ 549da6c28aaSamw #define XAT0_CREATETIME 0x00000001 /* Create time of file */ 550da6c28aaSamw #define XAT0_ARCHIVE 0x00000002 /* Archive */ 551da6c28aaSamw #define XAT0_SYSTEM 0x00000004 /* System */ 552da6c28aaSamw #define XAT0_READONLY 0x00000008 /* Readonly */ 553da6c28aaSamw #define XAT0_HIDDEN 0x00000010 /* Hidden */ 554da6c28aaSamw #define XAT0_NOUNLINK 0x00000020 /* Nounlink */ 555da6c28aaSamw #define XAT0_IMMUTABLE 0x00000040 /* immutable */ 556da6c28aaSamw #define XAT0_APPENDONLY 0x00000080 /* appendonly */ 557da6c28aaSamw #define XAT0_NODUMP 0x00000100 /* nodump */ 558da6c28aaSamw #define XAT0_OPAQUE 0x00000200 /* opaque */ 559da6c28aaSamw #define XAT0_AV_QUARANTINED 0x00000400 /* anti-virus quarantine */ 560da6c28aaSamw #define XAT0_AV_MODIFIED 0x00000800 /* anti-virus modified */ 561da6c28aaSamw #define XAT0_AV_SCANSTAMP 0x00001000 /* anti-virus scanstamp */ 562da6c28aaSamw 563da6c28aaSamw #define XAT0_ALL_ATTRS (XAT0_CREATETIME|XAT0_ARCHIVE|XAT0_SYSTEM| \ 564da6c28aaSamw XAT0_READONLY|XAT0_HIDDEN|XAT0_NOUNLINK|XAT0_IMMUTABLE|XAT0_APPENDONLY| \ 565da6c28aaSamw XAT0_NODUMP|XAT0_OPAQUE|XAT0_AV_QUARANTINED| \ 566da6c28aaSamw XAT0_AV_MODIFIED|XAT0_AV_SCANSTAMP) 567da6c28aaSamw 568da6c28aaSamw /* Support for XAT_* optional attributes */ 569da6c28aaSamw #define XVA_MASK 0xffffffff /* Used to mask off 32 bits */ 570da6c28aaSamw #define XVA_SHFT 32 /* Used to shift index */ 571da6c28aaSamw 572da6c28aaSamw /* 573da6c28aaSamw * Used to pry out the index and attribute bits from the XAT_* attributes 574da6c28aaSamw * defined below. Note that we're masking things down to 32 bits then 575da6c28aaSamw * casting to uint32_t. 576da6c28aaSamw */ 577da6c28aaSamw #define XVA_INDEX(attr) ((uint32_t)(((attr) >> XVA_SHFT) & XVA_MASK)) 578da6c28aaSamw #define XVA_ATTRBIT(attr) ((uint32_t)((attr) & XVA_MASK)) 579da6c28aaSamw 580da6c28aaSamw /* 581da6c28aaSamw * The following defines present a "flat namespace" so that consumers don't 582da6c28aaSamw * need to keep track of which element belongs to which bitmap entry. 583da6c28aaSamw * 584da6c28aaSamw * NOTE THAT THESE MUST NEVER BE OR-ed TOGETHER 585da6c28aaSamw */ 586da6c28aaSamw #define XAT_CREATETIME ((XAT0_INDEX << XVA_SHFT) | XAT0_CREATETIME) 587da6c28aaSamw #define XAT_ARCHIVE ((XAT0_INDEX << XVA_SHFT) | XAT0_ARCHIVE) 588da6c28aaSamw #define XAT_SYSTEM ((XAT0_INDEX << XVA_SHFT) | XAT0_SYSTEM) 589da6c28aaSamw #define XAT_READONLY ((XAT0_INDEX << XVA_SHFT) | XAT0_READONLY) 590da6c28aaSamw #define XAT_HIDDEN ((XAT0_INDEX << XVA_SHFT) | XAT0_HIDDEN) 591da6c28aaSamw #define XAT_NOUNLINK ((XAT0_INDEX << XVA_SHFT) | XAT0_NOUNLINK) 592da6c28aaSamw #define XAT_IMMUTABLE ((XAT0_INDEX << XVA_SHFT) | XAT0_IMMUTABLE) 593da6c28aaSamw #define XAT_APPENDONLY ((XAT0_INDEX << XVA_SHFT) | XAT0_APPENDONLY) 594da6c28aaSamw #define XAT_NODUMP ((XAT0_INDEX << XVA_SHFT) | XAT0_NODUMP) 595da6c28aaSamw #define XAT_OPAQUE ((XAT0_INDEX << XVA_SHFT) | XAT0_OPAQUE) 596da6c28aaSamw #define XAT_AV_QUARANTINED ((XAT0_INDEX << XVA_SHFT) | XAT0_AV_QUARANTINED) 597da6c28aaSamw #define XAT_AV_MODIFIED ((XAT0_INDEX << XVA_SHFT) | XAT0_AV_MODIFIED) 598da6c28aaSamw #define XAT_AV_SCANSTAMP ((XAT0_INDEX << XVA_SHFT) | XAT0_AV_SCANSTAMP) 599da6c28aaSamw 600da6c28aaSamw /* 601da6c28aaSamw * The returned attribute map array (xva_rtnattrmap[]) is located past the 602da6c28aaSamw * requested attribute map array (xva_reqattrmap[]). Its location changes 603da6c28aaSamw * when the array sizes change. We use a separate pointer in a known location 604da6c28aaSamw * (xva_rtnattrmapp) to hold the location of xva_rtnattrmap[]. This is 605da6c28aaSamw * set in xva_init() 606da6c28aaSamw */ 607da6c28aaSamw #define XVA_RTNATTRMAP(xvap) ((xvap)->xva_rtnattrmapp) 608da6c28aaSamw 609da6c28aaSamw /* 610da6c28aaSamw * XVA_SET_REQ() sets an attribute bit in the proper element in the bitmap 611da6c28aaSamw * of requested attributes (xva_reqattrmap[]). 612da6c28aaSamw */ 613da6c28aaSamw #define XVA_SET_REQ(xvap, attr) \ 614da6c28aaSamw ASSERT((xvap)->xva_vattr.va_mask | AT_XVATTR); \ 615da6c28aaSamw ASSERT((xvap)->xva_magic == XVA_MAGIC); \ 616da6c28aaSamw (xvap)->xva_reqattrmap[XVA_INDEX(attr)] |= XVA_ATTRBIT(attr) 617ae4caef8SMark Shellenbaum /* 618ae4caef8SMark Shellenbaum * XVA_CLR_REQ() clears an attribute bit in the proper element in the bitmap 619ae4caef8SMark Shellenbaum * of requested attributes (xva_reqattrmap[]). 620ae4caef8SMark Shellenbaum */ 621ae4caef8SMark Shellenbaum #define XVA_CLR_REQ(xvap, attr) \ 622ae4caef8SMark Shellenbaum ASSERT((xvap)->xva_vattr.va_mask | AT_XVATTR); \ 623ae4caef8SMark Shellenbaum ASSERT((xvap)->xva_magic == XVA_MAGIC); \ 624ae4caef8SMark Shellenbaum (xvap)->xva_reqattrmap[XVA_INDEX(attr)] &= ~XVA_ATTRBIT(attr) 625da6c28aaSamw 626da6c28aaSamw /* 627da6c28aaSamw * XVA_SET_RTN() sets an attribute bit in the proper element in the bitmap 628da6c28aaSamw * of returned attributes (xva_rtnattrmap[]). 629da6c28aaSamw */ 630da6c28aaSamw #define XVA_SET_RTN(xvap, attr) \ 631da6c28aaSamw ASSERT((xvap)->xva_vattr.va_mask | AT_XVATTR); \ 632da6c28aaSamw ASSERT((xvap)->xva_magic == XVA_MAGIC); \ 633da6c28aaSamw (XVA_RTNATTRMAP(xvap))[XVA_INDEX(attr)] |= XVA_ATTRBIT(attr) 634da6c28aaSamw 635da6c28aaSamw /* 636da6c28aaSamw * XVA_ISSET_REQ() checks the requested attribute bitmap (xva_reqattrmap[]) 637da6c28aaSamw * to see of the corresponding attribute bit is set. If so, returns non-zero. 638da6c28aaSamw */ 639da6c28aaSamw #define XVA_ISSET_REQ(xvap, attr) \ 640da6c28aaSamw ((((xvap)->xva_vattr.va_mask | AT_XVATTR) && \ 641da6c28aaSamw ((xvap)->xva_magic == XVA_MAGIC) && \ 642da6c28aaSamw ((xvap)->xva_mapsize > XVA_INDEX(attr))) ? \ 643da6c28aaSamw ((xvap)->xva_reqattrmap[XVA_INDEX(attr)] & XVA_ATTRBIT(attr)) : 0) 644da6c28aaSamw 645da6c28aaSamw /* 646da6c28aaSamw * XVA_ISSET_RTN() checks the returned attribute bitmap (xva_rtnattrmap[]) 647da6c28aaSamw * to see of the corresponding attribute bit is set. If so, returns non-zero. 648da6c28aaSamw */ 649da6c28aaSamw #define XVA_ISSET_RTN(xvap, attr) \ 650da6c28aaSamw ((((xvap)->xva_vattr.va_mask | AT_XVATTR) && \ 651da6c28aaSamw ((xvap)->xva_magic == XVA_MAGIC) && \ 652da6c28aaSamw ((xvap)->xva_mapsize > XVA_INDEX(attr))) ? \ 653da6c28aaSamw ((XVA_RTNATTRMAP(xvap))[XVA_INDEX(attr)] & XVA_ATTRBIT(attr)) : 0) 654da6c28aaSamw 655da6c28aaSamw /* 6567c478bd9Sstevel@tonic-gate * Modes. Some values same as S_xxx entries from stat.h for convenience. 6577c478bd9Sstevel@tonic-gate */ 6587c478bd9Sstevel@tonic-gate #define VSUID 04000 /* set user id on execution */ 6597c478bd9Sstevel@tonic-gate #define VSGID 02000 /* set group id on execution */ 6607c478bd9Sstevel@tonic-gate #define VSVTX 01000 /* save swapped text even after use */ 6617c478bd9Sstevel@tonic-gate 6627c478bd9Sstevel@tonic-gate /* 6637c478bd9Sstevel@tonic-gate * Permissions. 6647c478bd9Sstevel@tonic-gate */ 6657c478bd9Sstevel@tonic-gate #define VREAD 00400 6667c478bd9Sstevel@tonic-gate #define VWRITE 00200 6677c478bd9Sstevel@tonic-gate #define VEXEC 00100 6687c478bd9Sstevel@tonic-gate 6697c478bd9Sstevel@tonic-gate #define MODEMASK 07777 /* mode bits plus permission bits */ 6707c478bd9Sstevel@tonic-gate #define PERMMASK 00777 /* permission bits */ 6717c478bd9Sstevel@tonic-gate 6727c478bd9Sstevel@tonic-gate /* 673da6c28aaSamw * VOP_ACCESS flags 674da6c28aaSamw */ 675da6c28aaSamw #define V_ACE_MASK 0x1 /* mask represents NFSv4 ACE permissions */ 676da6c28aaSamw #define V_APPEND 0x2 /* want to do append only check */ 677da6c28aaSamw 678da6c28aaSamw /* 6797c478bd9Sstevel@tonic-gate * Check whether mandatory file locking is enabled. 6807c478bd9Sstevel@tonic-gate */ 6817c478bd9Sstevel@tonic-gate 6827c478bd9Sstevel@tonic-gate #define MANDMODE(mode) (((mode) & (VSGID|(VEXEC>>3))) == VSGID) 6837c478bd9Sstevel@tonic-gate #define MANDLOCK(vp, mode) ((vp)->v_type == VREG && MANDMODE(mode)) 6847c478bd9Sstevel@tonic-gate 6857c478bd9Sstevel@tonic-gate /* 6867c478bd9Sstevel@tonic-gate * Flags for vnode operations. 6877c478bd9Sstevel@tonic-gate */ 6887c478bd9Sstevel@tonic-gate enum rm { RMFILE, RMDIRECTORY }; /* rm or rmdir (remove) */ 6897c478bd9Sstevel@tonic-gate enum symfollow { NO_FOLLOW, FOLLOW }; /* follow symlinks (or not) */ 6907c478bd9Sstevel@tonic-gate enum vcexcl { NONEXCL, EXCL }; /* (non)excl create */ 6917c478bd9Sstevel@tonic-gate enum create { CRCREAT, CRMKNOD, CRMKDIR }; /* reason for create */ 6927c478bd9Sstevel@tonic-gate 6937c478bd9Sstevel@tonic-gate typedef enum rm rm_t; 6947c478bd9Sstevel@tonic-gate typedef enum symfollow symfollow_t; 6957c478bd9Sstevel@tonic-gate typedef enum vcexcl vcexcl_t; 6967c478bd9Sstevel@tonic-gate typedef enum create create_t; 6977c478bd9Sstevel@tonic-gate 6987c478bd9Sstevel@tonic-gate /* Vnode Events - Used by VOP_VNEVENT */ 6997c478bd9Sstevel@tonic-gate typedef enum vnevent { 7007c478bd9Sstevel@tonic-gate VE_SUPPORT = 0, /* Query */ 7017c478bd9Sstevel@tonic-gate VE_RENAME_SRC = 1, /* Rename, with vnode as source */ 7027c478bd9Sstevel@tonic-gate VE_RENAME_DEST = 2, /* Rename, with vnode as target/destination */ 7037c478bd9Sstevel@tonic-gate VE_REMOVE = 3, /* Remove of vnode's name */ 704df2381bfSpraks VE_RMDIR = 4, /* Remove of directory vnode's name */ 705df2381bfSpraks VE_CREATE = 5, /* Create with vnode's name which exists */ 706df2381bfSpraks VE_LINK = 6, /* Link with vnode's name as source */ 707df2381bfSpraks VE_RENAME_DEST_DIR = 7, /* Rename with vnode as target dir */ 708df2381bfSpraks VE_MOUNTEDOVER = 8 /* File or Filesystem got mounted over vnode */ 7097c478bd9Sstevel@tonic-gate } vnevent_t; 7107c478bd9Sstevel@tonic-gate 7117c478bd9Sstevel@tonic-gate /* 7127c478bd9Sstevel@tonic-gate * Values for checking vnode open and map counts 7137c478bd9Sstevel@tonic-gate */ 7147c478bd9Sstevel@tonic-gate enum v_mode { V_READ, V_WRITE, V_RDORWR, V_RDANDWR }; 7157c478bd9Sstevel@tonic-gate 7167c478bd9Sstevel@tonic-gate typedef enum v_mode v_mode_t; 7177c478bd9Sstevel@tonic-gate 7187c478bd9Sstevel@tonic-gate #define V_TRUE 1 7197c478bd9Sstevel@tonic-gate #define V_FALSE 0 7207c478bd9Sstevel@tonic-gate 7217c478bd9Sstevel@tonic-gate /* 7227c478bd9Sstevel@tonic-gate * Structure used on VOP_GETSECATTR and VOP_SETSECATTR operations 7237c478bd9Sstevel@tonic-gate */ 7247c478bd9Sstevel@tonic-gate 7257c478bd9Sstevel@tonic-gate typedef struct vsecattr { 7267c478bd9Sstevel@tonic-gate uint_t vsa_mask; /* See below */ 7277c478bd9Sstevel@tonic-gate int vsa_aclcnt; /* ACL entry count */ 7287c478bd9Sstevel@tonic-gate void *vsa_aclentp; /* pointer to ACL entries */ 7297c478bd9Sstevel@tonic-gate int vsa_dfaclcnt; /* default ACL entry count */ 7307c478bd9Sstevel@tonic-gate void *vsa_dfaclentp; /* pointer to default ACL entries */ 731da6c28aaSamw size_t vsa_aclentsz; /* ACE size in bytes of vsa_aclentp */ 732da6c28aaSamw uint_t vsa_aclflags; /* ACE ACL flags */ 7337c478bd9Sstevel@tonic-gate } vsecattr_t; 7347c478bd9Sstevel@tonic-gate 7357c478bd9Sstevel@tonic-gate /* vsa_mask values */ 7367c478bd9Sstevel@tonic-gate #define VSA_ACL 0x0001 7377c478bd9Sstevel@tonic-gate #define VSA_ACLCNT 0x0002 7387c478bd9Sstevel@tonic-gate #define VSA_DFACL 0x0004 7397c478bd9Sstevel@tonic-gate #define VSA_DFACLCNT 0x0008 7407c478bd9Sstevel@tonic-gate #define VSA_ACE 0x0010 7417c478bd9Sstevel@tonic-gate #define VSA_ACECNT 0x0020 742da6c28aaSamw #define VSA_ACE_ALLTYPES 0x0040 743da6c28aaSamw #define VSA_ACE_ACLFLAGS 0x0080 /* get/set ACE ACL flags */ 7447c478bd9Sstevel@tonic-gate 7457c478bd9Sstevel@tonic-gate /* 7467c478bd9Sstevel@tonic-gate * Structure used by various vnode operations to determine 7477c478bd9Sstevel@tonic-gate * the context (pid, host, identity) of a caller. 7487c478bd9Sstevel@tonic-gate * 7497c478bd9Sstevel@tonic-gate * The cc_caller_id is used to identify one or more callers who invoke 7507c478bd9Sstevel@tonic-gate * operations, possibly on behalf of others. For example, the NFS 7517c478bd9Sstevel@tonic-gate * server could have it's own cc_caller_id which can be detected by 7527c478bd9Sstevel@tonic-gate * vnode/vfs operations or (FEM) monitors on those operations. New 7537c478bd9Sstevel@tonic-gate * caller IDs are generated by fs_new_caller_id(). 7547c478bd9Sstevel@tonic-gate */ 7557c478bd9Sstevel@tonic-gate typedef struct caller_context { 7567c478bd9Sstevel@tonic-gate pid_t cc_pid; /* Process ID of the caller */ 7577c478bd9Sstevel@tonic-gate int cc_sysid; /* System ID, used for remote calls */ 7587c478bd9Sstevel@tonic-gate u_longlong_t cc_caller_id; /* Identifier for (set of) caller(s) */ 759cfae96c2Sjwahlig ulong_t cc_flags; 7607c478bd9Sstevel@tonic-gate } caller_context_t; 7617c478bd9Sstevel@tonic-gate 7627c478bd9Sstevel@tonic-gate /* 763cfae96c2Sjwahlig * Flags for caller context. The caller sets CC_DONTBLOCK if it does not 764cfae96c2Sjwahlig * want to block inside of a FEM monitor. The monitor will set CC_WOULDBLOCK 765cfae96c2Sjwahlig * and return EAGAIN if the operation would have blocked. 766cfae96c2Sjwahlig */ 767cfae96c2Sjwahlig #define CC_WOULDBLOCK 0x01 768cfae96c2Sjwahlig #define CC_DONTBLOCK 0x02 769cfae96c2Sjwahlig 770cfae96c2Sjwahlig /* 7717c478bd9Sstevel@tonic-gate * Structure tags for function prototypes, defined elsewhere. 7727c478bd9Sstevel@tonic-gate */ 7737c478bd9Sstevel@tonic-gate struct pathname; 7747c478bd9Sstevel@tonic-gate struct fid; 7757c478bd9Sstevel@tonic-gate struct flock64; 7767c478bd9Sstevel@tonic-gate struct flk_callback; 7777c478bd9Sstevel@tonic-gate struct shrlock; 7787c478bd9Sstevel@tonic-gate struct page; 7797c478bd9Sstevel@tonic-gate struct seg; 7807c478bd9Sstevel@tonic-gate struct as; 7817c478bd9Sstevel@tonic-gate struct pollhead; 7829d3574bfSNeil Perrin struct taskq; 7837c478bd9Sstevel@tonic-gate 784aa59c4cbSrsb #ifdef _KERNEL 785aa59c4cbSrsb 7867c478bd9Sstevel@tonic-gate /* 787aa59c4cbSrsb * VNODE_OPS defines all the vnode operations. It is used to define 788aa59c4cbSrsb * the vnodeops structure (below) and the fs_func_p union (vfs_opreg.h). 789aa59c4cbSrsb */ 790aa59c4cbSrsb #define VNODE_OPS \ 791da6c28aaSamw int (*vop_open)(vnode_t **, int, cred_t *, \ 792da6c28aaSamw caller_context_t *); \ 793da6c28aaSamw int (*vop_close)(vnode_t *, int, int, offset_t, cred_t *, \ 794da6c28aaSamw caller_context_t *); \ 795aa59c4cbSrsb int (*vop_read)(vnode_t *, uio_t *, int, cred_t *, \ 796aa59c4cbSrsb caller_context_t *); \ 797aa59c4cbSrsb int (*vop_write)(vnode_t *, uio_t *, int, cred_t *, \ 798aa59c4cbSrsb caller_context_t *); \ 799aa59c4cbSrsb int (*vop_ioctl)(vnode_t *, int, intptr_t, int, cred_t *, \ 800da6c28aaSamw int *, caller_context_t *); \ 801da6c28aaSamw int (*vop_setfl)(vnode_t *, int, int, cred_t *, \ 802da6c28aaSamw caller_context_t *); \ 803da6c28aaSamw int (*vop_getattr)(vnode_t *, vattr_t *, int, cred_t *, \ 804da6c28aaSamw caller_context_t *); \ 805aa59c4cbSrsb int (*vop_setattr)(vnode_t *, vattr_t *, int, cred_t *, \ 806aa59c4cbSrsb caller_context_t *); \ 807da6c28aaSamw int (*vop_access)(vnode_t *, int, int, cred_t *, \ 808da6c28aaSamw caller_context_t *); \ 809aa59c4cbSrsb int (*vop_lookup)(vnode_t *, char *, vnode_t **, \ 810aa59c4cbSrsb struct pathname *, \ 811da6c28aaSamw int, vnode_t *, cred_t *, \ 812da6c28aaSamw caller_context_t *, int *, \ 813da6c28aaSamw struct pathname *); \ 814aa59c4cbSrsb int (*vop_create)(vnode_t *, char *, vattr_t *, vcexcl_t, \ 815da6c28aaSamw int, vnode_t **, cred_t *, int, \ 816da6c28aaSamw caller_context_t *, vsecattr_t *); \ 817da6c28aaSamw int (*vop_remove)(vnode_t *, char *, cred_t *, \ 818da6c28aaSamw caller_context_t *, int); \ 819da6c28aaSamw int (*vop_link)(vnode_t *, vnode_t *, char *, cred_t *, \ 820da6c28aaSamw caller_context_t *, int); \ 821aa59c4cbSrsb int (*vop_rename)(vnode_t *, char *, vnode_t *, char *, \ 822da6c28aaSamw cred_t *, caller_context_t *, int); \ 823aa59c4cbSrsb int (*vop_mkdir)(vnode_t *, char *, vattr_t *, vnode_t **, \ 824da6c28aaSamw cred_t *, caller_context_t *, int, \ 825da6c28aaSamw vsecattr_t *); \ 826da6c28aaSamw int (*vop_rmdir)(vnode_t *, char *, vnode_t *, cred_t *, \ 827da6c28aaSamw caller_context_t *, int); \ 828da6c28aaSamw int (*vop_readdir)(vnode_t *, uio_t *, cred_t *, int *, \ 829da6c28aaSamw caller_context_t *, int); \ 830aa59c4cbSrsb int (*vop_symlink)(vnode_t *, char *, vattr_t *, char *, \ 831da6c28aaSamw cred_t *, caller_context_t *, int); \ 832da6c28aaSamw int (*vop_readlink)(vnode_t *, uio_t *, cred_t *, \ 833da6c28aaSamw caller_context_t *); \ 834da6c28aaSamw int (*vop_fsync)(vnode_t *, int, cred_t *, \ 835da6c28aaSamw caller_context_t *); \ 836da6c28aaSamw void (*vop_inactive)(vnode_t *, cred_t *, \ 837da6c28aaSamw caller_context_t *); \ 838da6c28aaSamw int (*vop_fid)(vnode_t *, struct fid *, \ 839da6c28aaSamw caller_context_t *); \ 840aa59c4cbSrsb int (*vop_rwlock)(vnode_t *, int, caller_context_t *); \ 841aa59c4cbSrsb void (*vop_rwunlock)(vnode_t *, int, caller_context_t *); \ 842da6c28aaSamw int (*vop_seek)(vnode_t *, offset_t, offset_t *, \ 843da6c28aaSamw caller_context_t *); \ 844da6c28aaSamw int (*vop_cmp)(vnode_t *, vnode_t *, caller_context_t *); \ 845aa59c4cbSrsb int (*vop_frlock)(vnode_t *, int, struct flock64 *, \ 846aa59c4cbSrsb int, offset_t, \ 847da6c28aaSamw struct flk_callback *, cred_t *, \ 848da6c28aaSamw caller_context_t *); \ 849aa59c4cbSrsb int (*vop_space)(vnode_t *, int, struct flock64 *, \ 850aa59c4cbSrsb int, offset_t, \ 851aa59c4cbSrsb cred_t *, caller_context_t *); \ 852da6c28aaSamw int (*vop_realvp)(vnode_t *, vnode_t **, \ 853da6c28aaSamw caller_context_t *); \ 854aa59c4cbSrsb int (*vop_getpage)(vnode_t *, offset_t, size_t, uint_t *, \ 855aa59c4cbSrsb struct page **, size_t, struct seg *, \ 856da6c28aaSamw caddr_t, enum seg_rw, cred_t *, \ 857da6c28aaSamw caller_context_t *); \ 858aa59c4cbSrsb int (*vop_putpage)(vnode_t *, offset_t, size_t, \ 859da6c28aaSamw int, cred_t *, caller_context_t *); \ 860aa59c4cbSrsb int (*vop_map)(vnode_t *, offset_t, struct as *, \ 861aa59c4cbSrsb caddr_t *, size_t, \ 862da6c28aaSamw uchar_t, uchar_t, uint_t, cred_t *, \ 863da6c28aaSamw caller_context_t *); \ 864aa59c4cbSrsb int (*vop_addmap)(vnode_t *, offset_t, struct as *, \ 865aa59c4cbSrsb caddr_t, size_t, \ 866da6c28aaSamw uchar_t, uchar_t, uint_t, cred_t *, \ 867da6c28aaSamw caller_context_t *); \ 868aa59c4cbSrsb int (*vop_delmap)(vnode_t *, offset_t, struct as *, \ 869aa59c4cbSrsb caddr_t, size_t, \ 870da6c28aaSamw uint_t, uint_t, uint_t, cred_t *, \ 871da6c28aaSamw caller_context_t *); \ 872aa59c4cbSrsb int (*vop_poll)(vnode_t *, short, int, short *, \ 873da6c28aaSamw struct pollhead **, \ 874da6c28aaSamw caller_context_t *); \ 875d7334e51Srm15945 int (*vop_dump)(vnode_t *, caddr_t, offset_t, offset_t, \ 876da6c28aaSamw caller_context_t *); \ 877da6c28aaSamw int (*vop_pathconf)(vnode_t *, int, ulong_t *, cred_t *, \ 878da6c28aaSamw caller_context_t *); \ 879aa59c4cbSrsb int (*vop_pageio)(vnode_t *, struct page *, \ 880da6c28aaSamw u_offset_t, size_t, int, cred_t *, \ 881da6c28aaSamw caller_context_t *); \ 882d7334e51Srm15945 int (*vop_dumpctl)(vnode_t *, int, offset_t *, \ 883da6c28aaSamw caller_context_t *); \ 884aa59c4cbSrsb void (*vop_dispose)(vnode_t *, struct page *, \ 885da6c28aaSamw int, int, cred_t *, \ 886da6c28aaSamw caller_context_t *); \ 887aa59c4cbSrsb int (*vop_setsecattr)(vnode_t *, vsecattr_t *, \ 888da6c28aaSamw int, cred_t *, caller_context_t *); \ 889aa59c4cbSrsb int (*vop_getsecattr)(vnode_t *, vsecattr_t *, \ 890da6c28aaSamw int, cred_t *, caller_context_t *); \ 891aa59c4cbSrsb int (*vop_shrlock)(vnode_t *, int, struct shrlock *, \ 892da6c28aaSamw int, cred_t *, caller_context_t *); \ 893da6c28aaSamw int (*vop_vnevent)(vnode_t *, vnevent_t, vnode_t *, \ 894da6c28aaSamw char *, caller_context_t *) 895df2381bfSpraks /* NB: No ";" */ 896aa59c4cbSrsb 897aa59c4cbSrsb /* 898aa59c4cbSrsb * Operations on vnodes. Note: File systems must never operate directly 8997c478bd9Sstevel@tonic-gate * on a 'vnodeops' structure -- it WILL change in future releases! They 900aa59c4cbSrsb * must use vn_make_ops() to create the structure. 9017c478bd9Sstevel@tonic-gate */ 9027c478bd9Sstevel@tonic-gate typedef struct vnodeops { 9037c478bd9Sstevel@tonic-gate const char *vnop_name; 904aa59c4cbSrsb VNODE_OPS; /* Signatures of all vnode operations (vops) */ 9057c478bd9Sstevel@tonic-gate } vnodeops_t; 9067c478bd9Sstevel@tonic-gate 907aa59c4cbSrsb typedef int (*fs_generic_func_p) (); /* Generic vop/vfsop/femop/fsemop ptr */ 9087c478bd9Sstevel@tonic-gate 909da6c28aaSamw extern int fop_open(vnode_t **, int, cred_t *, caller_context_t *); 910da6c28aaSamw extern int fop_close(vnode_t *, int, int, offset_t, cred_t *, 911da6c28aaSamw caller_context_t *); 9127c478bd9Sstevel@tonic-gate extern int fop_read(vnode_t *, uio_t *, int, cred_t *, caller_context_t *); 9137c478bd9Sstevel@tonic-gate extern int fop_write(vnode_t *, uio_t *, int, cred_t *, 9147c478bd9Sstevel@tonic-gate caller_context_t *); 915da6c28aaSamw extern int fop_ioctl(vnode_t *, int, intptr_t, int, cred_t *, int *, 916da6c28aaSamw caller_context_t *); 917da6c28aaSamw extern int fop_setfl(vnode_t *, int, int, cred_t *, caller_context_t *); 918da6c28aaSamw extern int fop_getattr(vnode_t *, vattr_t *, int, cred_t *, 919da6c28aaSamw caller_context_t *); 9207c478bd9Sstevel@tonic-gate extern int fop_setattr(vnode_t *, vattr_t *, int, cred_t *, 9217c478bd9Sstevel@tonic-gate caller_context_t *); 922da6c28aaSamw extern int fop_access(vnode_t *, int, int, cred_t *, caller_context_t *); 9237c478bd9Sstevel@tonic-gate extern int fop_lookup(vnode_t *, char *, vnode_t **, struct pathname *, 924da6c28aaSamw int, vnode_t *, cred_t *, caller_context_t *, 925da6c28aaSamw int *, struct pathname *); 9267c478bd9Sstevel@tonic-gate extern int fop_create(vnode_t *, char *, vattr_t *, vcexcl_t, int, 927da6c28aaSamw vnode_t **, cred_t *, int, caller_context_t *, 928da6c28aaSamw vsecattr_t *); 929da6c28aaSamw extern int fop_remove(vnode_t *vp, char *, cred_t *, caller_context_t *, 930da6c28aaSamw int); 931da6c28aaSamw extern int fop_link(vnode_t *, vnode_t *, char *, cred_t *, 932da6c28aaSamw caller_context_t *, int); 933da6c28aaSamw extern int fop_rename(vnode_t *, char *, vnode_t *, char *, cred_t *, 934da6c28aaSamw caller_context_t *, int); 935da6c28aaSamw extern int fop_mkdir(vnode_t *, char *, vattr_t *, vnode_t **, cred_t *, 936da6c28aaSamw caller_context_t *, int, vsecattr_t *); 937da6c28aaSamw extern int fop_rmdir(vnode_t *, char *, vnode_t *, cred_t *, 938da6c28aaSamw caller_context_t *, int); 939da6c28aaSamw extern int fop_readdir(vnode_t *, uio_t *, cred_t *, int *, 940da6c28aaSamw caller_context_t *, int); 941da6c28aaSamw extern int fop_symlink(vnode_t *, char *, vattr_t *, char *, cred_t *, 942da6c28aaSamw caller_context_t *, int); 943da6c28aaSamw extern int fop_readlink(vnode_t *, uio_t *, cred_t *, caller_context_t *); 944da6c28aaSamw extern int fop_fsync(vnode_t *, int, cred_t *, caller_context_t *); 945da6c28aaSamw extern void fop_inactive(vnode_t *, cred_t *, caller_context_t *); 946da6c28aaSamw extern int fop_fid(vnode_t *, struct fid *, caller_context_t *); 9477c478bd9Sstevel@tonic-gate extern int fop_rwlock(vnode_t *, int, caller_context_t *); 9487c478bd9Sstevel@tonic-gate extern void fop_rwunlock(vnode_t *, int, caller_context_t *); 949da6c28aaSamw extern int fop_seek(vnode_t *, offset_t, offset_t *, caller_context_t *); 950da6c28aaSamw extern int fop_cmp(vnode_t *, vnode_t *, caller_context_t *); 9517c478bd9Sstevel@tonic-gate extern int fop_frlock(vnode_t *, int, struct flock64 *, int, offset_t, 952da6c28aaSamw struct flk_callback *, cred_t *, 953da6c28aaSamw caller_context_t *); 9547c478bd9Sstevel@tonic-gate extern int fop_space(vnode_t *, int, struct flock64 *, int, offset_t, 9557c478bd9Sstevel@tonic-gate cred_t *, caller_context_t *); 956da6c28aaSamw extern int fop_realvp(vnode_t *, vnode_t **, caller_context_t *); 9577c478bd9Sstevel@tonic-gate extern int fop_getpage(vnode_t *, offset_t, size_t, uint_t *, 9587c478bd9Sstevel@tonic-gate struct page **, size_t, struct seg *, 959da6c28aaSamw caddr_t, enum seg_rw, cred_t *, 960da6c28aaSamw caller_context_t *); 961da6c28aaSamw extern int fop_putpage(vnode_t *, offset_t, size_t, int, cred_t *, 962da6c28aaSamw caller_context_t *); 9637c478bd9Sstevel@tonic-gate extern int fop_map(vnode_t *, offset_t, struct as *, caddr_t *, size_t, 964da6c28aaSamw uchar_t, uchar_t, uint_t, cred_t *cr, 965da6c28aaSamw caller_context_t *); 9667c478bd9Sstevel@tonic-gate extern int fop_addmap(vnode_t *, offset_t, struct as *, caddr_t, size_t, 967da6c28aaSamw uchar_t, uchar_t, uint_t, cred_t *, 968da6c28aaSamw caller_context_t *); 9697c478bd9Sstevel@tonic-gate extern int fop_delmap(vnode_t *, offset_t, struct as *, caddr_t, size_t, 970da6c28aaSamw uint_t, uint_t, uint_t, cred_t *, 971da6c28aaSamw caller_context_t *); 972da6c28aaSamw extern int fop_poll(vnode_t *, short, int, short *, struct pollhead **, 973da6c28aaSamw caller_context_t *); 974d7334e51Srm15945 extern int fop_dump(vnode_t *, caddr_t, offset_t, offset_t, 975d7334e51Srm15945 caller_context_t *); 976da6c28aaSamw extern int fop_pathconf(vnode_t *, int, ulong_t *, cred_t *, 977da6c28aaSamw caller_context_t *); 9787c478bd9Sstevel@tonic-gate extern int fop_pageio(vnode_t *, struct page *, u_offset_t, size_t, int, 979da6c28aaSamw cred_t *, caller_context_t *); 980d7334e51Srm15945 extern int fop_dumpctl(vnode_t *, int, offset_t *, caller_context_t *); 981da6c28aaSamw extern void fop_dispose(vnode_t *, struct page *, int, int, cred_t *, 982da6c28aaSamw caller_context_t *); 983da6c28aaSamw extern int fop_setsecattr(vnode_t *, vsecattr_t *, int, cred_t *, 984da6c28aaSamw caller_context_t *); 985da6c28aaSamw extern int fop_getsecattr(vnode_t *, vsecattr_t *, int, cred_t *, 986da6c28aaSamw caller_context_t *); 987da6c28aaSamw extern int fop_shrlock(vnode_t *, int, struct shrlock *, int, cred_t *, 988da6c28aaSamw caller_context_t *); 989da6c28aaSamw extern int fop_vnevent(vnode_t *, vnevent_t, vnode_t *, char *, 990da6c28aaSamw caller_context_t *); 9917c478bd9Sstevel@tonic-gate 9927c478bd9Sstevel@tonic-gate #endif /* _KERNEL */ 9937c478bd9Sstevel@tonic-gate 994da6c28aaSamw #define VOP_OPEN(vpp, mode, cr, ct) \ 995da6c28aaSamw fop_open(vpp, mode, cr, ct) 996da6c28aaSamw #define VOP_CLOSE(vp, f, c, o, cr, ct) \ 997da6c28aaSamw fop_close(vp, f, c, o, cr, ct) 9987c478bd9Sstevel@tonic-gate #define VOP_READ(vp, uiop, iof, cr, ct) \ 9997c478bd9Sstevel@tonic-gate fop_read(vp, uiop, iof, cr, ct) 10007c478bd9Sstevel@tonic-gate #define VOP_WRITE(vp, uiop, iof, cr, ct) \ 10017c478bd9Sstevel@tonic-gate fop_write(vp, uiop, iof, cr, ct) 1002da6c28aaSamw #define VOP_IOCTL(vp, cmd, a, f, cr, rvp, ct) \ 1003da6c28aaSamw fop_ioctl(vp, cmd, a, f, cr, rvp, ct) 1004da6c28aaSamw #define VOP_SETFL(vp, f, a, cr, ct) \ 1005da6c28aaSamw fop_setfl(vp, f, a, cr, ct) 1006da6c28aaSamw #define VOP_GETATTR(vp, vap, f, cr, ct) \ 1007da6c28aaSamw fop_getattr(vp, vap, f, cr, ct) 10087c478bd9Sstevel@tonic-gate #define VOP_SETATTR(vp, vap, f, cr, ct) \ 10097c478bd9Sstevel@tonic-gate fop_setattr(vp, vap, f, cr, ct) 1010da6c28aaSamw #define VOP_ACCESS(vp, mode, f, cr, ct) \ 1011da6c28aaSamw fop_access(vp, mode, f, cr, ct) 1012da6c28aaSamw #define VOP_LOOKUP(vp, cp, vpp, pnp, f, rdir, cr, ct, defp, rpnp) \ 1013da6c28aaSamw fop_lookup(vp, cp, vpp, pnp, f, rdir, cr, ct, defp, rpnp) 1014da6c28aaSamw #define VOP_CREATE(dvp, p, vap, ex, mode, vpp, cr, flag, ct, vsap) \ 1015da6c28aaSamw fop_create(dvp, p, vap, ex, mode, vpp, cr, flag, ct, vsap) 1016da6c28aaSamw #define VOP_REMOVE(dvp, p, cr, ct, f) \ 1017da6c28aaSamw fop_remove(dvp, p, cr, ct, f) 1018da6c28aaSamw #define VOP_LINK(tdvp, fvp, p, cr, ct, f) \ 1019da6c28aaSamw fop_link(tdvp, fvp, p, cr, ct, f) 1020da6c28aaSamw #define VOP_RENAME(fvp, fnm, tdvp, tnm, cr, ct, f) \ 1021da6c28aaSamw fop_rename(fvp, fnm, tdvp, tnm, cr, ct, f) 1022da6c28aaSamw #define VOP_MKDIR(dp, p, vap, vpp, cr, ct, f, vsap) \ 1023da6c28aaSamw fop_mkdir(dp, p, vap, vpp, cr, ct, f, vsap) 1024da6c28aaSamw #define VOP_RMDIR(dp, p, cdir, cr, ct, f) \ 1025da6c28aaSamw fop_rmdir(dp, p, cdir, cr, ct, f) 1026da6c28aaSamw #define VOP_READDIR(vp, uiop, cr, eofp, ct, f) \ 1027da6c28aaSamw fop_readdir(vp, uiop, cr, eofp, ct, f) 1028da6c28aaSamw #define VOP_SYMLINK(dvp, lnm, vap, tnm, cr, ct, f) \ 1029da6c28aaSamw fop_symlink(dvp, lnm, vap, tnm, cr, ct, f) 1030da6c28aaSamw #define VOP_READLINK(vp, uiop, cr, ct) \ 1031da6c28aaSamw fop_readlink(vp, uiop, cr, ct) 1032da6c28aaSamw #define VOP_FSYNC(vp, syncflag, cr, ct) \ 1033da6c28aaSamw fop_fsync(vp, syncflag, cr, ct) 1034da6c28aaSamw #define VOP_INACTIVE(vp, cr, ct) \ 1035da6c28aaSamw fop_inactive(vp, cr, ct) 1036da6c28aaSamw #define VOP_FID(vp, fidp, ct) \ 1037da6c28aaSamw fop_fid(vp, fidp, ct) 10387c478bd9Sstevel@tonic-gate #define VOP_RWLOCK(vp, w, ct) \ 10397c478bd9Sstevel@tonic-gate fop_rwlock(vp, w, ct) 10407c478bd9Sstevel@tonic-gate #define VOP_RWUNLOCK(vp, w, ct) \ 10417c478bd9Sstevel@tonic-gate fop_rwunlock(vp, w, ct) 1042da6c28aaSamw #define VOP_SEEK(vp, ooff, noffp, ct) \ 1043da6c28aaSamw fop_seek(vp, ooff, noffp, ct) 1044da6c28aaSamw #define VOP_CMP(vp1, vp2, ct) \ 1045da6c28aaSamw fop_cmp(vp1, vp2, ct) 1046da6c28aaSamw #define VOP_FRLOCK(vp, cmd, a, f, o, cb, cr, ct) \ 1047da6c28aaSamw fop_frlock(vp, cmd, a, f, o, cb, cr, ct) 10487c478bd9Sstevel@tonic-gate #define VOP_SPACE(vp, cmd, a, f, o, cr, ct) \ 10497c478bd9Sstevel@tonic-gate fop_space(vp, cmd, a, f, o, cr, ct) 1050da6c28aaSamw #define VOP_REALVP(vp1, vp2, ct) \ 1051da6c28aaSamw fop_realvp(vp1, vp2, ct) 1052da6c28aaSamw #define VOP_GETPAGE(vp, of, sz, pr, pl, ps, sg, a, rw, cr, ct) \ 1053da6c28aaSamw fop_getpage(vp, of, sz, pr, pl, ps, sg, a, rw, cr, ct) 1054da6c28aaSamw #define VOP_PUTPAGE(vp, of, sz, fl, cr, ct) \ 1055da6c28aaSamw fop_putpage(vp, of, sz, fl, cr, ct) 1056da6c28aaSamw #define VOP_MAP(vp, of, as, a, sz, p, mp, fl, cr, ct) \ 1057da6c28aaSamw fop_map(vp, of, as, a, sz, p, mp, fl, cr, ct) 1058da6c28aaSamw #define VOP_ADDMAP(vp, of, as, a, sz, p, mp, fl, cr, ct) \ 1059da6c28aaSamw fop_addmap(vp, of, as, a, sz, p, mp, fl, cr, ct) 1060da6c28aaSamw #define VOP_DELMAP(vp, of, as, a, sz, p, mp, fl, cr, ct) \ 1061da6c28aaSamw fop_delmap(vp, of, as, a, sz, p, mp, fl, cr, ct) 1062da6c28aaSamw #define VOP_POLL(vp, events, anyyet, reventsp, phpp, ct) \ 1063da6c28aaSamw fop_poll(vp, events, anyyet, reventsp, phpp, ct) 1064da6c28aaSamw #define VOP_DUMP(vp, addr, bn, count, ct) \ 1065da6c28aaSamw fop_dump(vp, addr, bn, count, ct) 1066da6c28aaSamw #define VOP_PATHCONF(vp, cmd, valp, cr, ct) \ 1067da6c28aaSamw fop_pathconf(vp, cmd, valp, cr, ct) 1068da6c28aaSamw #define VOP_PAGEIO(vp, pp, io_off, io_len, flags, cr, ct) \ 1069da6c28aaSamw fop_pageio(vp, pp, io_off, io_len, flags, cr, ct) 1070da6c28aaSamw #define VOP_DUMPCTL(vp, action, blkp, ct) \ 1071da6c28aaSamw fop_dumpctl(vp, action, blkp, ct) 1072da6c28aaSamw #define VOP_DISPOSE(vp, pp, flag, dn, cr, ct) \ 1073da6c28aaSamw fop_dispose(vp, pp, flag, dn, cr, ct) 1074da6c28aaSamw #define VOP_GETSECATTR(vp, vsap, f, cr, ct) \ 1075da6c28aaSamw fop_getsecattr(vp, vsap, f, cr, ct) 1076da6c28aaSamw #define VOP_SETSECATTR(vp, vsap, f, cr, ct) \ 1077da6c28aaSamw fop_setsecattr(vp, vsap, f, cr, ct) 1078da6c28aaSamw #define VOP_SHRLOCK(vp, cmd, shr, f, cr, ct) \ 1079da6c28aaSamw fop_shrlock(vp, cmd, shr, f, cr, ct) 1080da6c28aaSamw #define VOP_VNEVENT(vp, vnevent, dvp, fnm, ct) \ 1081da6c28aaSamw fop_vnevent(vp, vnevent, dvp, fnm, ct) 10827c478bd9Sstevel@tonic-gate 10837c478bd9Sstevel@tonic-gate #define VOPNAME_OPEN "open" 10847c478bd9Sstevel@tonic-gate #define VOPNAME_CLOSE "close" 10857c478bd9Sstevel@tonic-gate #define VOPNAME_READ "read" 10867c478bd9Sstevel@tonic-gate #define VOPNAME_WRITE "write" 10877c478bd9Sstevel@tonic-gate #define VOPNAME_IOCTL "ioctl" 10887c478bd9Sstevel@tonic-gate #define VOPNAME_SETFL "setfl" 10897c478bd9Sstevel@tonic-gate #define VOPNAME_GETATTR "getattr" 10907c478bd9Sstevel@tonic-gate #define VOPNAME_SETATTR "setattr" 10917c478bd9Sstevel@tonic-gate #define VOPNAME_ACCESS "access" 10927c478bd9Sstevel@tonic-gate #define VOPNAME_LOOKUP "lookup" 10937c478bd9Sstevel@tonic-gate #define VOPNAME_CREATE "create" 10947c478bd9Sstevel@tonic-gate #define VOPNAME_REMOVE "remove" 10957c478bd9Sstevel@tonic-gate #define VOPNAME_LINK "link" 10967c478bd9Sstevel@tonic-gate #define VOPNAME_RENAME "rename" 10977c478bd9Sstevel@tonic-gate #define VOPNAME_MKDIR "mkdir" 10987c478bd9Sstevel@tonic-gate #define VOPNAME_RMDIR "rmdir" 10997c478bd9Sstevel@tonic-gate #define VOPNAME_READDIR "readdir" 11007c478bd9Sstevel@tonic-gate #define VOPNAME_SYMLINK "symlink" 11017c478bd9Sstevel@tonic-gate #define VOPNAME_READLINK "readlink" 11027c478bd9Sstevel@tonic-gate #define VOPNAME_FSYNC "fsync" 11037c478bd9Sstevel@tonic-gate #define VOPNAME_INACTIVE "inactive" 11047c478bd9Sstevel@tonic-gate #define VOPNAME_FID "fid" 11057c478bd9Sstevel@tonic-gate #define VOPNAME_RWLOCK "rwlock" 11067c478bd9Sstevel@tonic-gate #define VOPNAME_RWUNLOCK "rwunlock" 11077c478bd9Sstevel@tonic-gate #define VOPNAME_SEEK "seek" 11087c478bd9Sstevel@tonic-gate #define VOPNAME_CMP "cmp" 11097c478bd9Sstevel@tonic-gate #define VOPNAME_FRLOCK "frlock" 11107c478bd9Sstevel@tonic-gate #define VOPNAME_SPACE "space" 11117c478bd9Sstevel@tonic-gate #define VOPNAME_REALVP "realvp" 11127c478bd9Sstevel@tonic-gate #define VOPNAME_GETPAGE "getpage" 11137c478bd9Sstevel@tonic-gate #define VOPNAME_PUTPAGE "putpage" 11147c478bd9Sstevel@tonic-gate #define VOPNAME_MAP "map" 11157c478bd9Sstevel@tonic-gate #define VOPNAME_ADDMAP "addmap" 11167c478bd9Sstevel@tonic-gate #define VOPNAME_DELMAP "delmap" 11177c478bd9Sstevel@tonic-gate #define VOPNAME_POLL "poll" 11187c478bd9Sstevel@tonic-gate #define VOPNAME_DUMP "dump" 11197c478bd9Sstevel@tonic-gate #define VOPNAME_PATHCONF "pathconf" 11207c478bd9Sstevel@tonic-gate #define VOPNAME_PAGEIO "pageio" 11217c478bd9Sstevel@tonic-gate #define VOPNAME_DUMPCTL "dumpctl" 11227c478bd9Sstevel@tonic-gate #define VOPNAME_DISPOSE "dispose" 11237c478bd9Sstevel@tonic-gate #define VOPNAME_GETSECATTR "getsecattr" 11247c478bd9Sstevel@tonic-gate #define VOPNAME_SETSECATTR "setsecattr" 11257c478bd9Sstevel@tonic-gate #define VOPNAME_SHRLOCK "shrlock" 11267c478bd9Sstevel@tonic-gate #define VOPNAME_VNEVENT "vnevent" 11277c478bd9Sstevel@tonic-gate 11287c478bd9Sstevel@tonic-gate /* 11297c478bd9Sstevel@tonic-gate * Flags for VOP_LOOKUP 1130da6c28aaSamw * 1131da6c28aaSamw * Defined in file.h, but also possible, FIGNORECASE 1132da6c28aaSamw * 11337c478bd9Sstevel@tonic-gate */ 11347c478bd9Sstevel@tonic-gate #define LOOKUP_DIR 0x01 /* want parent dir vp */ 11357c478bd9Sstevel@tonic-gate #define LOOKUP_XATTR 0x02 /* lookup up extended attr dir */ 11367c478bd9Sstevel@tonic-gate #define CREATE_XATTR_DIR 0x04 /* Create extended attr dir */ 1137da6c28aaSamw #define LOOKUP_HAVE_SYSATTR_DIR 0x08 /* Already created virtual GFS dir */ 1138da6c28aaSamw 1139da6c28aaSamw /* 1140da6c28aaSamw * Flags for VOP_READDIR 1141da6c28aaSamw */ 1142da6c28aaSamw #define V_RDDIR_ENTFLAGS 0x01 /* request dirent flags */ 1143e802abbdSTim Haley #define V_RDDIR_ACCFILTER 0x02 /* filter out inaccessible dirents */ 11447c478bd9Sstevel@tonic-gate 11457c478bd9Sstevel@tonic-gate /* 11467c478bd9Sstevel@tonic-gate * Flags for VOP_RWLOCK/VOP_RWUNLOCK 11477c478bd9Sstevel@tonic-gate * VOP_RWLOCK will return the flag that was actually set, or -1 if none. 11487c478bd9Sstevel@tonic-gate */ 11497c478bd9Sstevel@tonic-gate #define V_WRITELOCK_TRUE (1) /* Request write-lock on the vnode */ 11507c478bd9Sstevel@tonic-gate #define V_WRITELOCK_FALSE (0) /* Request read-lock on the vnode */ 11517c478bd9Sstevel@tonic-gate 11527c478bd9Sstevel@tonic-gate /* 11537c478bd9Sstevel@tonic-gate * Flags for VOP_DUMPCTL 11547c478bd9Sstevel@tonic-gate */ 11557c478bd9Sstevel@tonic-gate #define DUMP_ALLOC 0 11567c478bd9Sstevel@tonic-gate #define DUMP_FREE 1 11577c478bd9Sstevel@tonic-gate #define DUMP_SCAN 2 11587c478bd9Sstevel@tonic-gate 11597c478bd9Sstevel@tonic-gate /* 11607c478bd9Sstevel@tonic-gate * Public vnode manipulation functions. 11617c478bd9Sstevel@tonic-gate */ 11627c478bd9Sstevel@tonic-gate #ifdef _KERNEL 11637c478bd9Sstevel@tonic-gate 11647c478bd9Sstevel@tonic-gate vnode_t *vn_alloc(int); 11657c478bd9Sstevel@tonic-gate void vn_reinit(vnode_t *); 11667c478bd9Sstevel@tonic-gate void vn_recycle(vnode_t *); 11677c478bd9Sstevel@tonic-gate void vn_free(vnode_t *); 11687c478bd9Sstevel@tonic-gate 11697c478bd9Sstevel@tonic-gate int vn_is_readonly(vnode_t *); 11707c478bd9Sstevel@tonic-gate int vn_is_opened(vnode_t *, v_mode_t); 11717c478bd9Sstevel@tonic-gate int vn_is_mapped(vnode_t *, v_mode_t); 1172da6c28aaSamw int vn_has_other_opens(vnode_t *, v_mode_t); 1173da6c28aaSamw void vn_open_upgrade(vnode_t *, int); 1174da6c28aaSamw void vn_open_downgrade(vnode_t *, int); 11757c478bd9Sstevel@tonic-gate 11767c478bd9Sstevel@tonic-gate int vn_can_change_zones(vnode_t *vp); 11777c478bd9Sstevel@tonic-gate 11787c478bd9Sstevel@tonic-gate int vn_has_flocks(vnode_t *); 11797c478bd9Sstevel@tonic-gate int vn_has_mandatory_locks(vnode_t *, int); 11807c478bd9Sstevel@tonic-gate int vn_has_cached_data(vnode_t *); 11817c478bd9Sstevel@tonic-gate 11827c478bd9Sstevel@tonic-gate void vn_setops(vnode_t *, vnodeops_t *); 11837c478bd9Sstevel@tonic-gate vnodeops_t *vn_getops(vnode_t *); 11847c478bd9Sstevel@tonic-gate int vn_matchops(vnode_t *, vnodeops_t *); 11857c478bd9Sstevel@tonic-gate int vn_matchopval(vnode_t *, char *, fs_generic_func_p); 11867c478bd9Sstevel@tonic-gate int vn_ismntpt(vnode_t *); 11877c478bd9Sstevel@tonic-gate 11887c478bd9Sstevel@tonic-gate struct vfs *vn_mountedvfs(vnode_t *); 11897c478bd9Sstevel@tonic-gate 1190b5fca8f8Stomee int vn_in_dnlc(vnode_t *); 1191b5fca8f8Stomee 11927c478bd9Sstevel@tonic-gate void vn_create_cache(void); 11937c478bd9Sstevel@tonic-gate void vn_destroy_cache(void); 11947c478bd9Sstevel@tonic-gate 11957c478bd9Sstevel@tonic-gate void vn_freevnodeops(vnodeops_t *); 11967c478bd9Sstevel@tonic-gate 11977c478bd9Sstevel@tonic-gate int vn_open(char *pnamep, enum uio_seg seg, int filemode, int createmode, 11987c478bd9Sstevel@tonic-gate struct vnode **vpp, enum create crwhy, mode_t umask); 11997c478bd9Sstevel@tonic-gate int vn_openat(char *pnamep, enum uio_seg seg, int filemode, int createmode, 12007c478bd9Sstevel@tonic-gate struct vnode **vpp, enum create crwhy, 1201da6c28aaSamw mode_t umask, struct vnode *startvp, int fd); 12027c478bd9Sstevel@tonic-gate int vn_create(char *pnamep, enum uio_seg seg, struct vattr *vap, 12037c478bd9Sstevel@tonic-gate enum vcexcl excl, int mode, struct vnode **vpp, 12047c478bd9Sstevel@tonic-gate enum create why, int flag, mode_t umask); 12057c478bd9Sstevel@tonic-gate int vn_createat(char *pnamep, enum uio_seg seg, struct vattr *vap, 12067c478bd9Sstevel@tonic-gate enum vcexcl excl, int mode, struct vnode **vpp, 12077c478bd9Sstevel@tonic-gate enum create why, int flag, mode_t umask, struct vnode *startvp); 12087c478bd9Sstevel@tonic-gate int vn_rdwr(enum uio_rw rw, struct vnode *vp, caddr_t base, ssize_t len, 12097c478bd9Sstevel@tonic-gate offset_t offset, enum uio_seg seg, int ioflag, rlim64_t ulimit, 12107c478bd9Sstevel@tonic-gate cred_t *cr, ssize_t *residp); 12117c478bd9Sstevel@tonic-gate void vn_rele(struct vnode *vp); 12129d3574bfSNeil Perrin void vn_rele_async(struct vnode *vp, struct taskq *taskq); 1213b5fca8f8Stomee void vn_rele_dnlc(struct vnode *vp); 12147c478bd9Sstevel@tonic-gate void vn_rele_stream(struct vnode *vp); 12157c478bd9Sstevel@tonic-gate int vn_link(char *from, char *to, enum uio_seg seg); 12167c478bd9Sstevel@tonic-gate int vn_rename(char *from, char *to, enum uio_seg seg); 12177c478bd9Sstevel@tonic-gate int vn_renameat(vnode_t *fdvp, char *fname, vnode_t *tdvp, char *tname, 12187c478bd9Sstevel@tonic-gate enum uio_seg seg); 12197c478bd9Sstevel@tonic-gate int vn_remove(char *fnamep, enum uio_seg seg, enum rm dirflag); 12207c478bd9Sstevel@tonic-gate int vn_removeat(vnode_t *startvp, char *fnamep, enum uio_seg seg, 12217c478bd9Sstevel@tonic-gate enum rm dirflag); 12227c478bd9Sstevel@tonic-gate int vn_compare(vnode_t *vp1, vnode_t *vp2); 12237c478bd9Sstevel@tonic-gate int vn_vfswlock(struct vnode *vp); 12247c478bd9Sstevel@tonic-gate int vn_vfswlock_wait(struct vnode *vp); 12257c478bd9Sstevel@tonic-gate int vn_vfsrlock(struct vnode *vp); 12267c478bd9Sstevel@tonic-gate int vn_vfsrlock_wait(struct vnode *vp); 12277c478bd9Sstevel@tonic-gate void vn_vfsunlock(struct vnode *vp); 12287c478bd9Sstevel@tonic-gate int vn_vfswlock_held(struct vnode *vp); 12297c478bd9Sstevel@tonic-gate vnode_t *specvp(struct vnode *vp, dev_t dev, vtype_t type, struct cred *cr); 12307c478bd9Sstevel@tonic-gate vnode_t *makespecvp(dev_t dev, vtype_t type); 12317c478bd9Sstevel@tonic-gate vn_vfslocks_entry_t *vn_vfslocks_getlock(void *); 12327c478bd9Sstevel@tonic-gate void vn_vfslocks_rele(vn_vfslocks_entry_t *); 12337c478bd9Sstevel@tonic-gate 1234ca2c3138Seschrock void vn_copypath(struct vnode *src, struct vnode *dst); 1235ca2c3138Seschrock void vn_setpath_str(struct vnode *vp, const char *str, size_t len); 1236ca2c3138Seschrock void vn_setpath(vnode_t *rootvp, struct vnode *startvp, struct vnode *vp, 1237ca2c3138Seschrock const char *path, size_t plen); 123851ece835Seschrock void vn_renamepath(vnode_t *dvp, vnode_t *vp, const char *nm, size_t len); 1239ca2c3138Seschrock 12407c478bd9Sstevel@tonic-gate /* Vnode event notification */ 1241da6c28aaSamw void vnevent_rename_src(vnode_t *, vnode_t *, char *, caller_context_t *); 1242da6c28aaSamw void vnevent_rename_dest(vnode_t *, vnode_t *, char *, caller_context_t *); 1243da6c28aaSamw void vnevent_remove(vnode_t *, vnode_t *, char *, caller_context_t *); 1244da6c28aaSamw void vnevent_rmdir(vnode_t *, vnode_t *, char *, caller_context_t *); 1245da6c28aaSamw void vnevent_create(vnode_t *, caller_context_t *); 1246da6c28aaSamw void vnevent_link(vnode_t *, caller_context_t *); 1247da6c28aaSamw void vnevent_rename_dest_dir(vnode_t *, caller_context_t *ct); 1248da6c28aaSamw void vnevent_mountedover(vnode_t *, caller_context_t *); 1249da6c28aaSamw int vnevent_support(vnode_t *, caller_context_t *); 12507c478bd9Sstevel@tonic-gate 12511b300de9Sjwahlig /* Vnode specific data */ 12521b300de9Sjwahlig void vsd_create(uint_t *, void (*)(void *)); 12531b300de9Sjwahlig void vsd_destroy(uint_t *); 12541b300de9Sjwahlig void *vsd_get(vnode_t *, uint_t); 12551b300de9Sjwahlig int vsd_set(vnode_t *, uint_t, void *); 12561b300de9Sjwahlig void vsd_free(vnode_t *); 12571b300de9Sjwahlig 1258da6c28aaSamw /* 1259da6c28aaSamw * Extensible vnode attribute (xva) routines: 1260da6c28aaSamw * xva_init() initializes an xvattr_t (zero struct, init mapsize, set AT_XATTR) 1261da6c28aaSamw * xva_getxoptattr() returns a ponter to the xoptattr_t section of xvattr_t 1262da6c28aaSamw */ 1263da6c28aaSamw void xva_init(xvattr_t *); 1264da6c28aaSamw xoptattr_t *xva_getxoptattr(xvattr_t *); /* Get ptr to xoptattr_t */ 1265da6c28aaSamw 1266da6c28aaSamw void xattr_init(void); /* Initialize vnodeops for xattrs */ 1267da6c28aaSamw 1268da6c28aaSamw /* GFS tunnel for xattrs */ 1269da6c28aaSamw int xattr_dir_lookup(vnode_t *, vnode_t **, int, cred_t *); 1270da6c28aaSamw 12717c478bd9Sstevel@tonic-gate /* Context identification */ 12727c478bd9Sstevel@tonic-gate u_longlong_t fs_new_caller_id(); 12737c478bd9Sstevel@tonic-gate 12747c478bd9Sstevel@tonic-gate int vn_vmpss_usepageio(vnode_t *); 12757c478bd9Sstevel@tonic-gate 12767c478bd9Sstevel@tonic-gate /* 12777c478bd9Sstevel@tonic-gate * Needed for use of IS_VMODSORT() in kernel. 12787c478bd9Sstevel@tonic-gate */ 12797c478bd9Sstevel@tonic-gate extern uint_t pvn_vmodsort_supported; 12807c478bd9Sstevel@tonic-gate 12817c478bd9Sstevel@tonic-gate #define VN_HOLD(vp) { \ 12827c478bd9Sstevel@tonic-gate mutex_enter(&(vp)->v_lock); \ 12837c478bd9Sstevel@tonic-gate (vp)->v_count++; \ 12847c478bd9Sstevel@tonic-gate mutex_exit(&(vp)->v_lock); \ 12857c478bd9Sstevel@tonic-gate } 12867c478bd9Sstevel@tonic-gate 12877c478bd9Sstevel@tonic-gate #define VN_RELE(vp) { \ 12887c478bd9Sstevel@tonic-gate vn_rele(vp); \ 12897c478bd9Sstevel@tonic-gate } 12907c478bd9Sstevel@tonic-gate 12919d3574bfSNeil Perrin #define VN_RELE_ASYNC(vp, taskq) { \ 12929d3574bfSNeil Perrin vn_rele_async(vp, taskq); \ 12939d3574bfSNeil Perrin } 12949d3574bfSNeil Perrin 12957c478bd9Sstevel@tonic-gate #define VN_SET_VFS_TYPE_DEV(vp, vfsp, type, dev) { \ 12967c478bd9Sstevel@tonic-gate (vp)->v_vfsp = (vfsp); \ 12977c478bd9Sstevel@tonic-gate (vp)->v_type = (type); \ 12987c478bd9Sstevel@tonic-gate (vp)->v_rdev = (dev); \ 12997c478bd9Sstevel@tonic-gate } 13007c478bd9Sstevel@tonic-gate 13017c478bd9Sstevel@tonic-gate /* 13027c478bd9Sstevel@tonic-gate * Compare two vnodes for equality. In general this macro should be used 13037c478bd9Sstevel@tonic-gate * in preference to calling VOP_CMP directly. 13047c478bd9Sstevel@tonic-gate */ 13057c478bd9Sstevel@tonic-gate #define VN_CMP(VP1, VP2) ((VP1) == (VP2) ? 1 : \ 13067c478bd9Sstevel@tonic-gate ((VP1) && (VP2) && (vn_getops(VP1) == vn_getops(VP2)) ? \ 1307da6c28aaSamw VOP_CMP(VP1, VP2, NULL) : 0)) 13087c478bd9Sstevel@tonic-gate 1309ad23a2dbSjohansen extern struct vnode kvp; 1310ad23a2dbSjohansen extern struct vnode zvp; 1311ad23a2dbSjohansen 1312ad23a2dbSjohansen #define VN_ISKAS(vp) ((vp) == &kvp || (vp) == &zvp) 1313ad23a2dbSjohansen 13147c478bd9Sstevel@tonic-gate #endif /* _KERNEL */ 13157c478bd9Sstevel@tonic-gate 13167c478bd9Sstevel@tonic-gate /* 13177c478bd9Sstevel@tonic-gate * Flags to VOP_SETATTR/VOP_GETATTR. 13187c478bd9Sstevel@tonic-gate */ 13197c478bd9Sstevel@tonic-gate #define ATTR_UTIME 0x01 /* non-default utime(2) request */ 13207c478bd9Sstevel@tonic-gate #define ATTR_EXEC 0x02 /* invocation from exec(2) */ 13217c478bd9Sstevel@tonic-gate #define ATTR_COMM 0x04 /* yield common vp attributes */ 13227c478bd9Sstevel@tonic-gate #define ATTR_HINT 0x08 /* information returned will be `hint' */ 13237c478bd9Sstevel@tonic-gate #define ATTR_REAL 0x10 /* yield attributes of the real vp */ 1324da6c28aaSamw #define ATTR_NOACLCHECK 0x20 /* Don't check ACL when checking permissions */ 1325b9238976Sth199096 #define ATTR_TRIGGER 0x40 /* Mount first if vnode is a trigger mount */ 13267c478bd9Sstevel@tonic-gate /* 13277c478bd9Sstevel@tonic-gate * Generally useful macros. 13287c478bd9Sstevel@tonic-gate */ 13297c478bd9Sstevel@tonic-gate #define VBSIZE(vp) ((vp)->v_vfsp->vfs_bsize) 1330fa9e4066Sahrens 1331fa9e4066Sahrens #define VTOZONE(vp) ((vp)->v_vfsp->vfs_zone) 1332fa9e4066Sahrens 13337c478bd9Sstevel@tonic-gate #define NULLVP ((struct vnode *)0) 13347c478bd9Sstevel@tonic-gate #define NULLVPP ((struct vnode **)0) 13357c478bd9Sstevel@tonic-gate 13367c478bd9Sstevel@tonic-gate #ifdef _KERNEL 13377c478bd9Sstevel@tonic-gate 13387c478bd9Sstevel@tonic-gate /* 13397c478bd9Sstevel@tonic-gate * Structure used while handling asynchronous VOP_PUTPAGE operations. 13407c478bd9Sstevel@tonic-gate */ 13417c478bd9Sstevel@tonic-gate struct async_reqs { 13427c478bd9Sstevel@tonic-gate struct async_reqs *a_next; /* pointer to next arg struct */ 13437c478bd9Sstevel@tonic-gate struct vnode *a_vp; /* vnode pointer */ 13447c478bd9Sstevel@tonic-gate u_offset_t a_off; /* offset in file */ 13457c478bd9Sstevel@tonic-gate uint_t a_len; /* size of i/o request */ 13467c478bd9Sstevel@tonic-gate int a_flags; /* flags to indicate operation type */ 13477c478bd9Sstevel@tonic-gate struct cred *a_cred; /* cred pointer */ 13487c478bd9Sstevel@tonic-gate ushort_t a_prealloced; /* set if struct is pre-allocated */ 13497c478bd9Sstevel@tonic-gate }; 13507c478bd9Sstevel@tonic-gate 13517c478bd9Sstevel@tonic-gate /* 13527c478bd9Sstevel@tonic-gate * VN_DISPOSE() -- given a page pointer, safely invoke VOP_DISPOSE(). 13532e0ea4c4SMichael Corcoran * Note that there is no guarantee that the page passed in will be 13542e0ea4c4SMichael Corcoran * freed. If that is required, then a check after calling VN_DISPOSE would 13552e0ea4c4SMichael Corcoran * be necessary to ensure the page was freed. 13567c478bd9Sstevel@tonic-gate */ 13577c478bd9Sstevel@tonic-gate #define VN_DISPOSE(pp, flag, dn, cr) { \ 13587c478bd9Sstevel@tonic-gate extern struct vnode kvp; \ 1359ad23a2dbSjohansen if ((pp)->p_vnode != NULL && !VN_ISKAS((pp)->p_vnode)) \ 1360da6c28aaSamw VOP_DISPOSE((pp)->p_vnode, (pp), (flag), (dn), (cr), NULL); \ 13617c478bd9Sstevel@tonic-gate else if ((flag) == B_FREE) \ 13627c478bd9Sstevel@tonic-gate page_free((pp), (dn)); \ 13637c478bd9Sstevel@tonic-gate else \ 13647c478bd9Sstevel@tonic-gate page_destroy((pp), (dn)); \ 13657c478bd9Sstevel@tonic-gate } 13667c478bd9Sstevel@tonic-gate 13677c478bd9Sstevel@tonic-gate #endif /* _KERNEL */ 13687c478bd9Sstevel@tonic-gate 13697c478bd9Sstevel@tonic-gate #ifdef __cplusplus 13707c478bd9Sstevel@tonic-gate } 13717c478bd9Sstevel@tonic-gate #endif 13727c478bd9Sstevel@tonic-gate 13737c478bd9Sstevel@tonic-gate #endif /* _SYS_VNODE_H */ 1374