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 */ 21794f0adbSRoger A. Faulkner 227c478bd9Sstevel@tonic-gate /* 23cb15d5d9SPeter Rival * Copyright (c) 1988, 2010, Oracle and/or its affiliates. All rights reserved. 24*e2fc3408SPatrick Mooney * Copyright (c) 2017, Joyent, Inc. 25ade42b55SSebastien Roy * Copyright (c) 2011, 2017 by Delphix. All rights reserved. 267c478bd9Sstevel@tonic-gate */ 277c478bd9Sstevel@tonic-gate 287c478bd9Sstevel@tonic-gate /* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */ 297c478bd9Sstevel@tonic-gate /* All Rights Reserved */ 307c478bd9Sstevel@tonic-gate 317c478bd9Sstevel@tonic-gate /* 327c478bd9Sstevel@tonic-gate * University Copyright- Copyright (c) 1982, 1986, 1988 337c478bd9Sstevel@tonic-gate * The Regents of the University of California 347c478bd9Sstevel@tonic-gate * All Rights Reserved 357c478bd9Sstevel@tonic-gate * 367c478bd9Sstevel@tonic-gate * University Acknowledgment- Portions of this document are derived from 377c478bd9Sstevel@tonic-gate * software developed by the University of California, Berkeley, and its 387c478bd9Sstevel@tonic-gate * contributors. 397c478bd9Sstevel@tonic-gate */ 407c478bd9Sstevel@tonic-gate 417c478bd9Sstevel@tonic-gate #ifndef _SYS_VNODE_H 427c478bd9Sstevel@tonic-gate #define _SYS_VNODE_H 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> 541b300de9Sjwahlig #include <sys/list.h> 557c478bd9Sstevel@tonic-gate #ifdef _KERNEL 567c478bd9Sstevel@tonic-gate #include <sys/buf.h> 57ade42b55SSebastien Roy #include <sys/sdt.h> 587c478bd9Sstevel@tonic-gate #endif /* _KERNEL */ 597c478bd9Sstevel@tonic-gate 607c478bd9Sstevel@tonic-gate #ifdef __cplusplus 617c478bd9Sstevel@tonic-gate extern "C" { 627c478bd9Sstevel@tonic-gate #endif 637c478bd9Sstevel@tonic-gate 645a59a8b3Srsb /* 655a59a8b3Srsb * Statistics for all vnode operations. 665a59a8b3Srsb * All operations record number of ops (since boot/mount/zero'ed). 675a59a8b3Srsb * Certain I/O operations (read, write, readdir) also record number 685a59a8b3Srsb * of bytes transferred. 695a59a8b3Srsb * This appears in two places in the system: one is embedded in each 705a59a8b3Srsb * vfs_t. There is also an array of vopstats_t structures allocated 715a59a8b3Srsb * on a per-fstype basis. 725a59a8b3Srsb */ 735a59a8b3Srsb 745a59a8b3Srsb #define VOPSTATS_STR "vopstats_" /* Initial string for vopstat kstats */ 755a59a8b3Srsb 765a59a8b3Srsb typedef struct vopstats { 775a59a8b3Srsb kstat_named_t nopen; /* VOP_OPEN */ 785a59a8b3Srsb kstat_named_t nclose; /* VOP_CLOSE */ 795a59a8b3Srsb kstat_named_t nread; /* VOP_READ */ 805a59a8b3Srsb kstat_named_t read_bytes; 815a59a8b3Srsb kstat_named_t nwrite; /* VOP_WRITE */ 825a59a8b3Srsb kstat_named_t write_bytes; 835a59a8b3Srsb kstat_named_t nioctl; /* VOP_IOCTL */ 845a59a8b3Srsb kstat_named_t nsetfl; /* VOP_SETFL */ 855a59a8b3Srsb kstat_named_t ngetattr; /* VOP_GETATTR */ 865a59a8b3Srsb kstat_named_t nsetattr; /* VOP_SETATTR */ 875a59a8b3Srsb kstat_named_t naccess; /* VOP_ACCESS */ 885a59a8b3Srsb kstat_named_t nlookup; /* VOP_LOOKUP */ 895a59a8b3Srsb kstat_named_t ncreate; /* VOP_CREATE */ 905a59a8b3Srsb kstat_named_t nremove; /* VOP_REMOVE */ 915a59a8b3Srsb kstat_named_t nlink; /* VOP_LINK */ 925a59a8b3Srsb kstat_named_t nrename; /* VOP_RENAME */ 935a59a8b3Srsb kstat_named_t nmkdir; /* VOP_MKDIR */ 945a59a8b3Srsb kstat_named_t nrmdir; /* VOP_RMDIR */ 955a59a8b3Srsb kstat_named_t nreaddir; /* VOP_READDIR */ 965a59a8b3Srsb kstat_named_t readdir_bytes; 975a59a8b3Srsb kstat_named_t nsymlink; /* VOP_SYMLINK */ 985a59a8b3Srsb kstat_named_t nreadlink; /* VOP_READLINK */ 995a59a8b3Srsb kstat_named_t nfsync; /* VOP_FSYNC */ 1005a59a8b3Srsb kstat_named_t ninactive; /* VOP_INACTIVE */ 1015a59a8b3Srsb kstat_named_t nfid; /* VOP_FID */ 1025a59a8b3Srsb kstat_named_t nrwlock; /* VOP_RWLOCK */ 1035a59a8b3Srsb kstat_named_t nrwunlock; /* VOP_RWUNLOCK */ 1045a59a8b3Srsb kstat_named_t nseek; /* VOP_SEEK */ 1055a59a8b3Srsb kstat_named_t ncmp; /* VOP_CMP */ 1065a59a8b3Srsb kstat_named_t nfrlock; /* VOP_FRLOCK */ 1075a59a8b3Srsb kstat_named_t nspace; /* VOP_SPACE */ 1085a59a8b3Srsb kstat_named_t nrealvp; /* VOP_REALVP */ 1095a59a8b3Srsb kstat_named_t ngetpage; /* VOP_GETPAGE */ 1105a59a8b3Srsb kstat_named_t nputpage; /* VOP_PUTPAGE */ 1115a59a8b3Srsb kstat_named_t nmap; /* VOP_MAP */ 1125a59a8b3Srsb kstat_named_t naddmap; /* VOP_ADDMAP */ 1135a59a8b3Srsb kstat_named_t ndelmap; /* VOP_DELMAP */ 1145a59a8b3Srsb kstat_named_t npoll; /* VOP_POLL */ 1155a59a8b3Srsb kstat_named_t ndump; /* VOP_DUMP */ 1165a59a8b3Srsb kstat_named_t npathconf; /* VOP_PATHCONF */ 1175a59a8b3Srsb kstat_named_t npageio; /* VOP_PAGEIO */ 1185a59a8b3Srsb kstat_named_t ndumpctl; /* VOP_DUMPCTL */ 1195a59a8b3Srsb kstat_named_t ndispose; /* VOP_DISPOSE */ 1205a59a8b3Srsb kstat_named_t nsetsecattr; /* VOP_SETSECATTR */ 1215a59a8b3Srsb kstat_named_t ngetsecattr; /* VOP_GETSECATTR */ 1225a59a8b3Srsb kstat_named_t nshrlock; /* VOP_SHRLOCK */ 1235a59a8b3Srsb kstat_named_t nvnevent; /* VOP_VNEVENT */ 124c242f9a0Schunli zhang - Sun Microsystems - Irvine United States kstat_named_t nreqzcbuf; /* VOP_REQZCBUF */ 125c242f9a0Schunli zhang - Sun Microsystems - Irvine United States kstat_named_t nretzcbuf; /* VOP_RETZCBUF */ 1265a59a8b3Srsb } vopstats_t; 1275a59a8b3Srsb 1287c478bd9Sstevel@tonic-gate /* 1297c478bd9Sstevel@tonic-gate * The vnode is the focus of all file activity in UNIX. 1307c478bd9Sstevel@tonic-gate * A vnode is allocated for each active file, each current 1317c478bd9Sstevel@tonic-gate * directory, each mounted-on file, and the root. 1327c478bd9Sstevel@tonic-gate * 1337c478bd9Sstevel@tonic-gate * Each vnode is usually associated with a file-system-specific node (for 1347c478bd9Sstevel@tonic-gate * UFS, this is the in-memory inode). Generally, a vnode and an fs-node 1357c478bd9Sstevel@tonic-gate * should be created and destroyed together as a pair. 1367c478bd9Sstevel@tonic-gate * 1377c478bd9Sstevel@tonic-gate * If a vnode is reused for a new file, it should be reinitialized by calling 1387c478bd9Sstevel@tonic-gate * either vn_reinit() or vn_recycle(). 1397c478bd9Sstevel@tonic-gate * 1407c478bd9Sstevel@tonic-gate * vn_reinit() resets the entire vnode as if it was returned by vn_alloc(). 1417c478bd9Sstevel@tonic-gate * The caller is responsible for setting up the entire vnode after calling 1427c478bd9Sstevel@tonic-gate * vn_reinit(). This is important when using kmem caching where the vnode is 1437c478bd9Sstevel@tonic-gate * allocated by a constructor, for instance. 1447c478bd9Sstevel@tonic-gate * 1457c478bd9Sstevel@tonic-gate * vn_recycle() is used when the file system keeps some state around in both 1467c478bd9Sstevel@tonic-gate * the vnode and the associated FS-node. In UFS, for example, the inode of 1477c478bd9Sstevel@tonic-gate * a deleted file can be reused immediately. The v_data, v_vfsp, v_op, etc. 1487c478bd9Sstevel@tonic-gate * remains the same but certain fields related to the previous instance need 1497c478bd9Sstevel@tonic-gate * to be reset. In particular: 1507c478bd9Sstevel@tonic-gate * v_femhead 1517c478bd9Sstevel@tonic-gate * v_path 1527c478bd9Sstevel@tonic-gate * v_rdcnt, v_wrcnt 1537c478bd9Sstevel@tonic-gate * v_mmap_read, v_mmap_write 1547c478bd9Sstevel@tonic-gate */ 1557c478bd9Sstevel@tonic-gate 1567c478bd9Sstevel@tonic-gate /* 1577c478bd9Sstevel@tonic-gate * vnode types. VNON means no type. These values are unrelated to 1587c478bd9Sstevel@tonic-gate * values in on-disk inodes. 1597c478bd9Sstevel@tonic-gate */ 1607c478bd9Sstevel@tonic-gate typedef enum vtype { 1617c478bd9Sstevel@tonic-gate VNON = 0, 1627c478bd9Sstevel@tonic-gate VREG = 1, 1637c478bd9Sstevel@tonic-gate VDIR = 2, 1647c478bd9Sstevel@tonic-gate VBLK = 3, 1657c478bd9Sstevel@tonic-gate VCHR = 4, 1667c478bd9Sstevel@tonic-gate VLNK = 5, 1677c478bd9Sstevel@tonic-gate VFIFO = 6, 1687c478bd9Sstevel@tonic-gate VDOOR = 7, 1697c478bd9Sstevel@tonic-gate VPROC = 8, 1707c478bd9Sstevel@tonic-gate VSOCK = 9, 1717c478bd9Sstevel@tonic-gate VPORT = 10, 1727c478bd9Sstevel@tonic-gate VBAD = 11 1737c478bd9Sstevel@tonic-gate } vtype_t; 1747c478bd9Sstevel@tonic-gate 1751b300de9Sjwahlig /* 1761b300de9Sjwahlig * VSD - Vnode Specific Data 1771b300de9Sjwahlig * Used to associate additional private data with a vnode. 1781b300de9Sjwahlig */ 1791b300de9Sjwahlig struct vsd_node { 1801b300de9Sjwahlig list_node_t vs_nodes; /* list of all VSD nodes */ 1811b300de9Sjwahlig uint_t vs_nkeys; /* entries in value array */ 1821b300de9Sjwahlig void **vs_value; /* array of value/key */ 1831b300de9Sjwahlig }; 1841b300de9Sjwahlig 1857c478bd9Sstevel@tonic-gate /* 1867c478bd9Sstevel@tonic-gate * Many of the fields in the vnode are read-only once they are initialized 1877c478bd9Sstevel@tonic-gate * at vnode creation time. Other fields are protected by locks. 1887c478bd9Sstevel@tonic-gate * 1897c478bd9Sstevel@tonic-gate * IMPORTANT: vnodes should be created ONLY by calls to vn_alloc(). They 1907c478bd9Sstevel@tonic-gate * may not be embedded into the file-system specific node (inode). The 1917c478bd9Sstevel@tonic-gate * size of vnodes may change. 1927c478bd9Sstevel@tonic-gate * 1937c478bd9Sstevel@tonic-gate * The v_lock protects: 1947c478bd9Sstevel@tonic-gate * v_flag 1957c478bd9Sstevel@tonic-gate * v_stream 1967c478bd9Sstevel@tonic-gate * v_count 1977c478bd9Sstevel@tonic-gate * v_shrlocks 1987c478bd9Sstevel@tonic-gate * v_path 1991b300de9Sjwahlig * v_vsd 200da6c28aaSamw * v_xattrdir 2017c478bd9Sstevel@tonic-gate * 2027c478bd9Sstevel@tonic-gate * A special lock (implemented by vn_vfswlock in vnode.c) protects: 2037c478bd9Sstevel@tonic-gate * v_vfsmountedhere 2047c478bd9Sstevel@tonic-gate * 2057c478bd9Sstevel@tonic-gate * The global flock_lock mutex (in flock.c) protects: 2067c478bd9Sstevel@tonic-gate * v_filocks 2077c478bd9Sstevel@tonic-gate * 2087c478bd9Sstevel@tonic-gate * IMPORTANT NOTE: 2097c478bd9Sstevel@tonic-gate * 2107c478bd9Sstevel@tonic-gate * The following vnode fields are considered public and may safely be 2117c478bd9Sstevel@tonic-gate * accessed by file systems or other consumers: 2127c478bd9Sstevel@tonic-gate * 2137c478bd9Sstevel@tonic-gate * v_lock 2147c478bd9Sstevel@tonic-gate * v_flag 2157c478bd9Sstevel@tonic-gate * v_count 2167c478bd9Sstevel@tonic-gate * v_data 2177c478bd9Sstevel@tonic-gate * v_vfsp 2187c478bd9Sstevel@tonic-gate * v_stream 2197c478bd9Sstevel@tonic-gate * v_type 2207c478bd9Sstevel@tonic-gate * v_rdev 2217c478bd9Sstevel@tonic-gate * 2227c478bd9Sstevel@tonic-gate * ALL OTHER FIELDS SHOULD BE ACCESSED ONLY BY THE OWNER OF THAT FIELD. 2237c478bd9Sstevel@tonic-gate * In particular, file systems should not access other fields; they may 2247c478bd9Sstevel@tonic-gate * change or even be removed. The functionality which was once provided 2257c478bd9Sstevel@tonic-gate * by these fields is available through vn_* functions. 226*e2fc3408SPatrick Mooney * 227*e2fc3408SPatrick Mooney * VNODE PATH THEORY: 228*e2fc3408SPatrick Mooney * In each vnode, the v_path field holds a cached version of the canonical 229*e2fc3408SPatrick Mooney * filesystem path which that node represents. Because vnodes lack contextual 230*e2fc3408SPatrick Mooney * information about their own name or position in the VFS hierarchy, this path 231*e2fc3408SPatrick Mooney * must be calculated when the vnode is instantiated by operations such as 232*e2fc3408SPatrick Mooney * fop_create, fop_lookup, or fop_mkdir. During said operations, both the 233*e2fc3408SPatrick Mooney * parent vnode (and its cached v_path) and future name are known, so the 234*e2fc3408SPatrick Mooney * v_path of the resulting object can easily be set. 235*e2fc3408SPatrick Mooney * 236*e2fc3408SPatrick Mooney * The caching nature of v_path is complicated in the face of directory 237*e2fc3408SPatrick Mooney * renames. Filesystem drivers are responsible for calling vn_renamepath when 238*e2fc3408SPatrick Mooney * a fop_rename operation succeeds. While the v_path on the renamed vnode will 239*e2fc3408SPatrick Mooney * be updated, existing children of the directory (direct, or at deeper levels) 240*e2fc3408SPatrick Mooney * will now possess v_path caches which are stale. 241*e2fc3408SPatrick Mooney * 242*e2fc3408SPatrick Mooney * It is expensive (and for non-directories, impossible) to recalculate stale 243*e2fc3408SPatrick Mooney * v_path entries during operations such as vnodetopath. The best time during 244*e2fc3408SPatrick Mooney * which to correct such wrongs is the same as when v_path is first 245*e2fc3408SPatrick Mooney * initialized: during fop_create/fop_lookup/fop_mkdir/etc, where adequate 246*e2fc3408SPatrick Mooney * context is available to generate the current path. 247*e2fc3408SPatrick Mooney * 248*e2fc3408SPatrick Mooney * In order to quickly detect stale v_path entries (without full lookup 249*e2fc3408SPatrick Mooney * verification) to trigger a v_path update, the v_path_stamp field has been 250*e2fc3408SPatrick Mooney * added to vnode_t. As part of successful fop_create/fop_lookup/fop_mkdir 251*e2fc3408SPatrick Mooney * operations, where the name and parent vnode are available, the following 252*e2fc3408SPatrick Mooney * rules are used to determine updates to the child: 253*e2fc3408SPatrick Mooney * 254*e2fc3408SPatrick Mooney * 1. If the parent lacks a v_path, clear any existing v_path and v_path_stamp 255*e2fc3408SPatrick Mooney * on the child. Until the parent v_path is refreshed to a valid state, the 256*e2fc3408SPatrick Mooney * child v_path must be considered invalid too. 257*e2fc3408SPatrick Mooney * 258*e2fc3408SPatrick Mooney * 2. If the child lacks a v_path (implying v_path_stamp == 0), it inherits the 259*e2fc3408SPatrick Mooney * v_path_stamp value from its parent and its v_path is updated. 260*e2fc3408SPatrick Mooney * 261*e2fc3408SPatrick Mooney * 3. If the child v_path_stamp is less than v_path_stamp in the parent, it is 262*e2fc3408SPatrick Mooney * an indication that the child v_path is stale. The v_path is updated and 263*e2fc3408SPatrick Mooney * v_path_stamp in the child is set to the current hrtime(). 264*e2fc3408SPatrick Mooney * 265*e2fc3408SPatrick Mooney * It does _not_ inherit the parent v_path_stamp in order to propagate the 266*e2fc3408SPatrick Mooney * the time of v_path invalidation through the directory structure. This 267*e2fc3408SPatrick Mooney * prevents concurrent invalidations (operating with a now-incorrect v_path) 268*e2fc3408SPatrick Mooney * at deeper levels in the tree from persisting. 269*e2fc3408SPatrick Mooney * 270*e2fc3408SPatrick Mooney * 4. If the child v_path_stamp is greater or equal to the parent, no action 271*e2fc3408SPatrick Mooney * needs to be taken. 272*e2fc3408SPatrick Mooney * 273*e2fc3408SPatrick Mooney * Note that fop_rename operations do not follow this ruleset. They perform an 274*e2fc3408SPatrick Mooney * explicit update of v_path and v_path_stamp (setting it to the current time) 275*e2fc3408SPatrick Mooney * 276*e2fc3408SPatrick Mooney * With these constraints in place, v_path invalidations and updates should 277*e2fc3408SPatrick Mooney * proceed in a timely manner as vnodes are accessed. While there still are 278*e2fc3408SPatrick Mooney * limited cases where vnodetopath operations will fail, the risk is minimized. 2797c478bd9Sstevel@tonic-gate */ 2807c478bd9Sstevel@tonic-gate 2817c478bd9Sstevel@tonic-gate struct fem_head; /* from fem.h */ 2827c478bd9Sstevel@tonic-gate 2837c478bd9Sstevel@tonic-gate typedef struct vnode { 2847c478bd9Sstevel@tonic-gate kmutex_t v_lock; /* protects vnode fields */ 2857c478bd9Sstevel@tonic-gate uint_t v_flag; /* vnode flags (see below) */ 2867c478bd9Sstevel@tonic-gate uint_t v_count; /* reference count */ 2877c478bd9Sstevel@tonic-gate void *v_data; /* private data for fs */ 2887c478bd9Sstevel@tonic-gate struct vfs *v_vfsp; /* ptr to containing VFS */ 2897c478bd9Sstevel@tonic-gate struct stdata *v_stream; /* associated stream */ 2907c478bd9Sstevel@tonic-gate enum vtype v_type; /* vnode type */ 2917c478bd9Sstevel@tonic-gate dev_t v_rdev; /* device (VCHR, VBLK) */ 2927c478bd9Sstevel@tonic-gate 2937c478bd9Sstevel@tonic-gate /* PRIVATE FIELDS BELOW - DO NOT USE */ 2947c478bd9Sstevel@tonic-gate 2957c478bd9Sstevel@tonic-gate struct vfs *v_vfsmountedhere; /* ptr to vfs mounted here */ 2967c478bd9Sstevel@tonic-gate struct vnodeops *v_op; /* vnode operations */ 2977c478bd9Sstevel@tonic-gate struct page *v_pages; /* vnode pages list */ 2987c478bd9Sstevel@tonic-gate struct filock *v_filocks; /* ptr to filock list */ 2997c478bd9Sstevel@tonic-gate struct shrlocklist *v_shrlocks; /* ptr to shrlock list */ 3007c478bd9Sstevel@tonic-gate krwlock_t v_nbllock; /* sync for NBMAND locks */ 3017c478bd9Sstevel@tonic-gate kcondvar_t v_cv; /* synchronize locking */ 3027c478bd9Sstevel@tonic-gate void *v_locality; /* hook for locality info */ 3037c478bd9Sstevel@tonic-gate struct fem_head *v_femhead; /* fs monitoring */ 3047c478bd9Sstevel@tonic-gate char *v_path; /* cached path */ 305*e2fc3408SPatrick Mooney hrtime_t v_path_stamp; /* timestamp for cached path */ 3067c478bd9Sstevel@tonic-gate uint_t v_rdcnt; /* open for read count (VREG only) */ 3077c478bd9Sstevel@tonic-gate uint_t v_wrcnt; /* open for write count (VREG only) */ 3087c478bd9Sstevel@tonic-gate u_longlong_t v_mmap_read; /* mmap read count */ 3097c478bd9Sstevel@tonic-gate u_longlong_t v_mmap_write; /* mmap write count */ 3107c478bd9Sstevel@tonic-gate void *v_mpssdata; /* info for large page mappings */ 311df2381bfSpraks void *v_fopdata; /* list of file ops event watches */ 312d216dff5SRobert Mastors kmutex_t v_vsd_lock; /* protects v_vsd field */ 3131b300de9Sjwahlig struct vsd_node *v_vsd; /* vnode specific data */ 314da6c28aaSamw struct vnode *v_xattrdir; /* unnamed extended attr dir (GFS) */ 315b5fca8f8Stomee uint_t v_count_dnlc; /* dnlc reference count */ 3167c478bd9Sstevel@tonic-gate } vnode_t; 3177c478bd9Sstevel@tonic-gate 3187c478bd9Sstevel@tonic-gate #define IS_DEVVP(vp) \ 3197c478bd9Sstevel@tonic-gate ((vp)->v_type == VCHR || (vp)->v_type == VBLK || (vp)->v_type == VFIFO) 3207c478bd9Sstevel@tonic-gate 321cb15d5d9SPeter Rival #define VNODE_ALIGN 64 322cb15d5d9SPeter Rival /* Count of low-order 0 bits in a vnode *, based on size and alignment. */ 3231ab248cfSPeter Rival #if defined(_LP64) 324cb15d5d9SPeter Rival #define VNODE_ALIGN_LOG2 8 3251ab248cfSPeter Rival #else 3261ab248cfSPeter Rival #define VNODE_ALIGN_LOG2 7 3271ab248cfSPeter Rival #endif 328cb15d5d9SPeter Rival 3297c478bd9Sstevel@tonic-gate /* 3307c478bd9Sstevel@tonic-gate * vnode flags. 3317c478bd9Sstevel@tonic-gate */ 3327c478bd9Sstevel@tonic-gate #define VROOT 0x01 /* root of its file system */ 3337c478bd9Sstevel@tonic-gate #define VNOCACHE 0x02 /* don't keep cache pages on vnode */ 3347c478bd9Sstevel@tonic-gate #define VNOMAP 0x04 /* file cannot be mapped/faulted */ 3357c478bd9Sstevel@tonic-gate #define VDUP 0x08 /* file should be dup'ed rather then opened */ 3367c478bd9Sstevel@tonic-gate #define VNOSWAP 0x10 /* file cannot be used as virtual swap device */ 3377c478bd9Sstevel@tonic-gate #define VNOMOUNT 0x20 /* file cannot be covered by mount */ 3387c478bd9Sstevel@tonic-gate #define VISSWAP 0x40 /* vnode is being used for swap */ 3397c478bd9Sstevel@tonic-gate #define VSWAPLIKE 0x80 /* vnode acts like swap (but may not be) */ 3407c478bd9Sstevel@tonic-gate 3417c478bd9Sstevel@tonic-gate #define IS_SWAPVP(vp) (((vp)->v_flag & (VISSWAP | VSWAPLIKE)) != 0) 3427c478bd9Sstevel@tonic-gate 3437c478bd9Sstevel@tonic-gate typedef struct vn_vfslocks_entry { 3447c478bd9Sstevel@tonic-gate rwstlock_t ve_lock; 3457c478bd9Sstevel@tonic-gate void *ve_vpvfs; 3467c478bd9Sstevel@tonic-gate struct vn_vfslocks_entry *ve_next; 3477c478bd9Sstevel@tonic-gate uint32_t ve_refcnt; 3487c478bd9Sstevel@tonic-gate char pad[64 - sizeof (rwstlock_t) - 2 * sizeof (void *) - \ 3497c478bd9Sstevel@tonic-gate sizeof (uint32_t)]; 3507c478bd9Sstevel@tonic-gate } vn_vfslocks_entry_t; 3517c478bd9Sstevel@tonic-gate 3527c478bd9Sstevel@tonic-gate /* 3537c478bd9Sstevel@tonic-gate * The following two flags are used to lock the v_vfsmountedhere field 3547c478bd9Sstevel@tonic-gate */ 3557c478bd9Sstevel@tonic-gate #define VVFSLOCK 0x100 3567c478bd9Sstevel@tonic-gate #define VVFSWAIT 0x200 3577c478bd9Sstevel@tonic-gate 3587c478bd9Sstevel@tonic-gate /* 3597c478bd9Sstevel@tonic-gate * Used to serialize VM operations on a vnode 3607c478bd9Sstevel@tonic-gate */ 3617c478bd9Sstevel@tonic-gate #define VVMLOCK 0x400 3627c478bd9Sstevel@tonic-gate 3637c478bd9Sstevel@tonic-gate /* 3647c478bd9Sstevel@tonic-gate * Tell vn_open() not to fail a directory open for writing but 3657c478bd9Sstevel@tonic-gate * to go ahead and call VOP_OPEN() to let the filesystem check. 3667c478bd9Sstevel@tonic-gate */ 3677c478bd9Sstevel@tonic-gate #define VDIROPEN 0x800 3687c478bd9Sstevel@tonic-gate 3697c478bd9Sstevel@tonic-gate /* 3707c478bd9Sstevel@tonic-gate * Flag to let the VM system know that this file is most likely a binary 3717c478bd9Sstevel@tonic-gate * or shared library since it has been mmap()ed EXEC at some time. 3727c478bd9Sstevel@tonic-gate */ 3737c478bd9Sstevel@tonic-gate #define VVMEXEC 0x1000 3747c478bd9Sstevel@tonic-gate 3757c478bd9Sstevel@tonic-gate #define VPXFS 0x2000 /* clustering: global fs proxy vnode */ 3767c478bd9Sstevel@tonic-gate 3777c478bd9Sstevel@tonic-gate #define IS_PXFSVP(vp) ((vp)->v_flag & VPXFS) 3787c478bd9Sstevel@tonic-gate 3797c478bd9Sstevel@tonic-gate #define V_XATTRDIR 0x4000 /* attribute unnamed directory */ 3807c478bd9Sstevel@tonic-gate 381ab04eb8eStimh #define IS_XATTRDIR(vp) ((vp)->v_flag & V_XATTRDIR) 382ab04eb8eStimh 3837c478bd9Sstevel@tonic-gate #define V_LOCALITY 0x8000 /* whether locality aware */ 3847c478bd9Sstevel@tonic-gate 3857c478bd9Sstevel@tonic-gate /* 3867c478bd9Sstevel@tonic-gate * Flag that indicates the VM should maintain the v_pages list with all modified 3877c478bd9Sstevel@tonic-gate * pages on one end and unmodified pages at the other. This makes finding dirty 3887c478bd9Sstevel@tonic-gate * pages to write back to disk much faster at the expense of taking a minor 3897c478bd9Sstevel@tonic-gate * fault on the first store instruction which touches a writable page. 3907c478bd9Sstevel@tonic-gate */ 3917c478bd9Sstevel@tonic-gate #define VMODSORT (0x10000) 3927c478bd9Sstevel@tonic-gate #define IS_VMODSORT(vp) \ 3937c478bd9Sstevel@tonic-gate (pvn_vmodsort_supported != 0 && ((vp)->v_flag & VMODSORT) != 0) 3947c478bd9Sstevel@tonic-gate 3957c478bd9Sstevel@tonic-gate #define VISSWAPFS 0x20000 /* vnode is being used for swapfs */ 396d20abfaaSPavel Tatashin 397d20abfaaSPavel Tatashin /* 398d20abfaaSPavel Tatashin * The mdb memstat command assumes that IS_SWAPFSVP only uses the 399d20abfaaSPavel Tatashin * vnode's v_flag field. If this changes, cache the additional 400d20abfaaSPavel Tatashin * fields in mdb; see vn_get in mdb/common/modules/genunix/memory.c 401d20abfaaSPavel Tatashin */ 4027c478bd9Sstevel@tonic-gate #define IS_SWAPFSVP(vp) (((vp)->v_flag & VISSWAPFS) != 0) 4037c478bd9Sstevel@tonic-gate 404da6c28aaSamw #define V_SYSATTR 0x40000 /* vnode is a GFS system attribute */ 405da6c28aaSamw 406*e2fc3408SPatrick Mooney /* 407*e2fc3408SPatrick Mooney * Indication that VOP_LOOKUP operations on this vnode may yield results from a 408*e2fc3408SPatrick Mooney * different VFS instance. The main use of this is to suppress v_path 409*e2fc3408SPatrick Mooney * calculation logic when filesystems such as procfs emit results which defy 410*e2fc3408SPatrick Mooney * expectations about normal VFS behavior. 411*e2fc3408SPatrick Mooney */ 412*e2fc3408SPatrick Mooney #define VTRAVERSE 0x80000 413*e2fc3408SPatrick Mooney 4147c478bd9Sstevel@tonic-gate /* 4157c478bd9Sstevel@tonic-gate * Vnode attributes. A bit-mask is supplied as part of the 4167c478bd9Sstevel@tonic-gate * structure to indicate the attributes the caller wants to 4177c478bd9Sstevel@tonic-gate * set (setattr) or extract (getattr). 4187c478bd9Sstevel@tonic-gate */ 4197c478bd9Sstevel@tonic-gate 4207c478bd9Sstevel@tonic-gate /* 4217c478bd9Sstevel@tonic-gate * Note that va_nodeid and va_nblocks are 64bit data type. 4227c478bd9Sstevel@tonic-gate * We support large files over NFSV3. With Solaris client and 4237c478bd9Sstevel@tonic-gate * Server that generates 64bit ino's and sizes these fields 4247c478bd9Sstevel@tonic-gate * will overflow if they are 32 bit sizes. 4257c478bd9Sstevel@tonic-gate */ 4267c478bd9Sstevel@tonic-gate 4277c478bd9Sstevel@tonic-gate typedef struct vattr { 4287c478bd9Sstevel@tonic-gate uint_t va_mask; /* bit-mask of attributes */ 4297c478bd9Sstevel@tonic-gate vtype_t va_type; /* vnode type (for create) */ 4307c478bd9Sstevel@tonic-gate mode_t va_mode; /* file access mode */ 4317c478bd9Sstevel@tonic-gate uid_t va_uid; /* owner user id */ 4327c478bd9Sstevel@tonic-gate gid_t va_gid; /* owner group id */ 4337c478bd9Sstevel@tonic-gate dev_t va_fsid; /* file system id (dev for now) */ 4347c478bd9Sstevel@tonic-gate u_longlong_t va_nodeid; /* node id */ 4357c478bd9Sstevel@tonic-gate nlink_t va_nlink; /* number of references to file */ 4367c478bd9Sstevel@tonic-gate u_offset_t va_size; /* file size in bytes */ 4377c478bd9Sstevel@tonic-gate timestruc_t va_atime; /* time of last access */ 4387c478bd9Sstevel@tonic-gate timestruc_t va_mtime; /* time of last modification */ 4397c478bd9Sstevel@tonic-gate timestruc_t va_ctime; /* time of last status change */ 4407c478bd9Sstevel@tonic-gate dev_t va_rdev; /* device the file represents */ 4417c478bd9Sstevel@tonic-gate uint_t va_blksize; /* fundamental block size */ 4427c478bd9Sstevel@tonic-gate u_longlong_t va_nblocks; /* # of blocks allocated */ 4437c478bd9Sstevel@tonic-gate uint_t va_seq; /* sequence number */ 4447c478bd9Sstevel@tonic-gate } vattr_t; 4457c478bd9Sstevel@tonic-gate 446da6c28aaSamw #define AV_SCANSTAMP_SZ 32 /* length of anti-virus scanstamp */ 447da6c28aaSamw 448da6c28aaSamw /* 449da6c28aaSamw * Structure of all optional attributes. 450da6c28aaSamw */ 451da6c28aaSamw typedef struct xoptattr { 452da6c28aaSamw timestruc_t xoa_createtime; /* Create time of file */ 453da6c28aaSamw uint8_t xoa_archive; 454da6c28aaSamw uint8_t xoa_system; 455da6c28aaSamw uint8_t xoa_readonly; 456da6c28aaSamw uint8_t xoa_hidden; 457da6c28aaSamw uint8_t xoa_nounlink; 458da6c28aaSamw uint8_t xoa_immutable; 459da6c28aaSamw uint8_t xoa_appendonly; 460da6c28aaSamw uint8_t xoa_nodump; 461da6c28aaSamw uint8_t xoa_opaque; 462da6c28aaSamw uint8_t xoa_av_quarantined; 463da6c28aaSamw uint8_t xoa_av_modified; 464da6c28aaSamw uint8_t xoa_av_scanstamp[AV_SCANSTAMP_SZ]; 4657a286c47SDai Ngo uint8_t xoa_reparse; 46699d5e173STim Haley uint64_t xoa_generation; 467fd9ee8b5Sjoyce mcintosh uint8_t xoa_offline; 468fd9ee8b5Sjoyce mcintosh uint8_t xoa_sparse; 469da6c28aaSamw } xoptattr_t; 470da6c28aaSamw 471da6c28aaSamw /* 472da6c28aaSamw * The xvattr structure is really a variable length structure that 473da6c28aaSamw * is made up of: 474da6c28aaSamw * - The classic vattr_t (xva_vattr) 475da6c28aaSamw * - a 32 bit quantity (xva_mapsize) that specifies the size of the 476da6c28aaSamw * attribute bitmaps in 32 bit words. 477da6c28aaSamw * - A pointer to the returned attribute bitmap (needed because the 478da6c28aaSamw * previous element, the requested attribute bitmap) is variable lenth. 479da6c28aaSamw * - The requested attribute bitmap, which is an array of 32 bit words. 480da6c28aaSamw * Callers use the XVA_SET_REQ() macro to set the bits corresponding to 481da6c28aaSamw * the attributes that are being requested. 482da6c28aaSamw * - The returned attribute bitmap, which is an array of 32 bit words. 483da6c28aaSamw * File systems that support optional attributes use the XVA_SET_RTN() 484da6c28aaSamw * macro to set the bits corresponding to the attributes that are being 485da6c28aaSamw * returned. 486da6c28aaSamw * - The xoptattr_t structure which contains the attribute values 487da6c28aaSamw * 488da6c28aaSamw * xva_mapsize determines how many words in the attribute bitmaps. 489da6c28aaSamw * Immediately following the attribute bitmaps is the xoptattr_t. 490da6c28aaSamw * xva_getxoptattr() is used to get the pointer to the xoptattr_t 491da6c28aaSamw * section. 492da6c28aaSamw */ 493da6c28aaSamw 494da6c28aaSamw #define XVA_MAPSIZE 3 /* Size of attr bitmaps */ 495da6c28aaSamw #define XVA_MAGIC 0x78766174 /* Magic # for verification */ 496da6c28aaSamw 497da6c28aaSamw /* 498da6c28aaSamw * The xvattr structure is an extensible structure which permits optional 499da6c28aaSamw * attributes to be requested/returned. File systems may or may not support 500da6c28aaSamw * optional attributes. They do so at their own discretion but if they do 501da6c28aaSamw * support optional attributes, they must register the VFSFT_XVATTR feature 502da6c28aaSamw * so that the optional attributes can be set/retrived. 503da6c28aaSamw * 504da6c28aaSamw * The fields of the xvattr structure are: 505da6c28aaSamw * 506da6c28aaSamw * xva_vattr - The first element of an xvattr is a legacy vattr structure 507da6c28aaSamw * which includes the common attributes. If AT_XVATTR is set in the va_mask 508da6c28aaSamw * then the entire structure is treated as an xvattr. If AT_XVATTR is not 509da6c28aaSamw * set, then only the xva_vattr structure can be used. 510da6c28aaSamw * 511da6c28aaSamw * xva_magic - 0x78766174 (hex for "xvat"). Magic number for verification. 512da6c28aaSamw * 513da6c28aaSamw * xva_mapsize - Size of requested and returned attribute bitmaps. 514da6c28aaSamw * 515da6c28aaSamw * xva_rtnattrmapp - Pointer to xva_rtnattrmap[]. We need this since the 516da6c28aaSamw * size of the array before it, xva_reqattrmap[], could change which means 517da6c28aaSamw * the location of xva_rtnattrmap[] could change. This will allow unbundled 518da6c28aaSamw * file systems to find the location of xva_rtnattrmap[] when the sizes change. 519da6c28aaSamw * 520da6c28aaSamw * xva_reqattrmap[] - Array of requested attributes. Attributes are 521da6c28aaSamw * represented by a specific bit in a specific element of the attribute 522da6c28aaSamw * map array. Callers set the bits corresponding to the attributes 523da6c28aaSamw * that the caller wants to get/set. 524da6c28aaSamw * 525da6c28aaSamw * xva_rtnattrmap[] - Array of attributes that the file system was able to 526da6c28aaSamw * process. Not all file systems support all optional attributes. This map 527da6c28aaSamw * informs the caller which attributes the underlying file system was able 528da6c28aaSamw * to set/get. (Same structure as the requested attributes array in terms 529da6c28aaSamw * of each attribute corresponding to specific bits and array elements.) 530da6c28aaSamw * 531da6c28aaSamw * xva_xoptattrs - Structure containing values of optional attributes. 532da6c28aaSamw * These values are only valid if the corresponding bits in xva_reqattrmap 533da6c28aaSamw * are set and the underlying file system supports those attributes. 534da6c28aaSamw */ 535da6c28aaSamw typedef struct xvattr { 536da6c28aaSamw vattr_t xva_vattr; /* Embedded vattr structure */ 537da6c28aaSamw uint32_t xva_magic; /* Magic Number */ 538da6c28aaSamw uint32_t xva_mapsize; /* Size of attr bitmap (32-bit words) */ 539da6c28aaSamw uint32_t *xva_rtnattrmapp; /* Ptr to xva_rtnattrmap[] */ 540da6c28aaSamw uint32_t xva_reqattrmap[XVA_MAPSIZE]; /* Requested attrs */ 541da6c28aaSamw uint32_t xva_rtnattrmap[XVA_MAPSIZE]; /* Returned attrs */ 542da6c28aaSamw xoptattr_t xva_xoptattrs; /* Optional attributes */ 543da6c28aaSamw } xvattr_t; 544da6c28aaSamw 5457c478bd9Sstevel@tonic-gate #ifdef _SYSCALL32 5467c478bd9Sstevel@tonic-gate /* 5477c478bd9Sstevel@tonic-gate * For bigtypes time_t changed to 64 bit on the 64-bit kernel. 5487c478bd9Sstevel@tonic-gate * Define an old version for user/kernel interface 5497c478bd9Sstevel@tonic-gate */ 5507c478bd9Sstevel@tonic-gate 5517c478bd9Sstevel@tonic-gate #if _LONG_LONG_ALIGNMENT == 8 && _LONG_LONG_ALIGNMENT_32 == 4 5527c478bd9Sstevel@tonic-gate #pragma pack(4) 5537c478bd9Sstevel@tonic-gate #endif 5547c478bd9Sstevel@tonic-gate 5557c478bd9Sstevel@tonic-gate typedef struct vattr32 { 5567c478bd9Sstevel@tonic-gate uint32_t va_mask; /* bit-mask of attributes */ 5577c478bd9Sstevel@tonic-gate vtype_t va_type; /* vnode type (for create) */ 5587c478bd9Sstevel@tonic-gate mode32_t va_mode; /* file access mode */ 5597c478bd9Sstevel@tonic-gate uid32_t va_uid; /* owner user id */ 5607c478bd9Sstevel@tonic-gate gid32_t va_gid; /* owner group id */ 5617c478bd9Sstevel@tonic-gate dev32_t va_fsid; /* file system id (dev for now) */ 5627c478bd9Sstevel@tonic-gate u_longlong_t va_nodeid; /* node id */ 5637c478bd9Sstevel@tonic-gate nlink_t va_nlink; /* number of references to file */ 5647c478bd9Sstevel@tonic-gate u_offset_t va_size; /* file size in bytes */ 5657c478bd9Sstevel@tonic-gate timestruc32_t va_atime; /* time of last access */ 5667c478bd9Sstevel@tonic-gate timestruc32_t va_mtime; /* time of last modification */ 5677c478bd9Sstevel@tonic-gate timestruc32_t va_ctime; /* time of last status change */ 5687c478bd9Sstevel@tonic-gate dev32_t va_rdev; /* device the file represents */ 5697c478bd9Sstevel@tonic-gate uint32_t va_blksize; /* fundamental block size */ 5707c478bd9Sstevel@tonic-gate u_longlong_t va_nblocks; /* # of blocks allocated */ 5717c478bd9Sstevel@tonic-gate uint32_t va_seq; /* sequence number */ 5727c478bd9Sstevel@tonic-gate } vattr32_t; 5737c478bd9Sstevel@tonic-gate 5747c478bd9Sstevel@tonic-gate #if _LONG_LONG_ALIGNMENT == 8 && _LONG_LONG_ALIGNMENT_32 == 4 5757c478bd9Sstevel@tonic-gate #pragma pack() 5767c478bd9Sstevel@tonic-gate #endif 5777c478bd9Sstevel@tonic-gate 5787c478bd9Sstevel@tonic-gate #else /* not _SYSCALL32 */ 5797c478bd9Sstevel@tonic-gate #define vattr32 vattr 5807c478bd9Sstevel@tonic-gate typedef vattr_t vattr32_t; 5817c478bd9Sstevel@tonic-gate #endif /* _SYSCALL32 */ 5827c478bd9Sstevel@tonic-gate 5837c478bd9Sstevel@tonic-gate /* 5847c478bd9Sstevel@tonic-gate * Attributes of interest to the caller of setattr or getattr. 5857c478bd9Sstevel@tonic-gate */ 586da6c28aaSamw #define AT_TYPE 0x00001 587da6c28aaSamw #define AT_MODE 0x00002 588da6c28aaSamw #define AT_UID 0x00004 589da6c28aaSamw #define AT_GID 0x00008 590da6c28aaSamw #define AT_FSID 0x00010 591da6c28aaSamw #define AT_NODEID 0x00020 592da6c28aaSamw #define AT_NLINK 0x00040 593da6c28aaSamw #define AT_SIZE 0x00080 594da6c28aaSamw #define AT_ATIME 0x00100 595da6c28aaSamw #define AT_MTIME 0x00200 596da6c28aaSamw #define AT_CTIME 0x00400 597da6c28aaSamw #define AT_RDEV 0x00800 598da6c28aaSamw #define AT_BLKSIZE 0x01000 599da6c28aaSamw #define AT_NBLOCKS 0x02000 600da6c28aaSamw /* 0x04000 */ /* unused */ 601da6c28aaSamw #define AT_SEQ 0x08000 602da6c28aaSamw /* 603da6c28aaSamw * If AT_XVATTR is set then there are additional bits to process in 604da6c28aaSamw * the xvattr_t's attribute bitmap. If this is not set then the bitmap 605da6c28aaSamw * MUST be ignored. Note that this bit must be set/cleared explicitly. 606da6c28aaSamw * That is, setting AT_ALL will NOT set AT_XVATTR. 607da6c28aaSamw */ 608da6c28aaSamw #define AT_XVATTR 0x10000 6097c478bd9Sstevel@tonic-gate 6107c478bd9Sstevel@tonic-gate #define AT_ALL (AT_TYPE|AT_MODE|AT_UID|AT_GID|AT_FSID|AT_NODEID|\ 6117c478bd9Sstevel@tonic-gate AT_NLINK|AT_SIZE|AT_ATIME|AT_MTIME|AT_CTIME|\ 6127c478bd9Sstevel@tonic-gate AT_RDEV|AT_BLKSIZE|AT_NBLOCKS|AT_SEQ) 6137c478bd9Sstevel@tonic-gate 6147c478bd9Sstevel@tonic-gate #define AT_STAT (AT_MODE|AT_UID|AT_GID|AT_FSID|AT_NODEID|AT_NLINK|\ 6157c478bd9Sstevel@tonic-gate AT_SIZE|AT_ATIME|AT_MTIME|AT_CTIME|AT_RDEV|AT_TYPE) 6167c478bd9Sstevel@tonic-gate 6177c478bd9Sstevel@tonic-gate #define AT_TIMES (AT_ATIME|AT_MTIME|AT_CTIME) 6187c478bd9Sstevel@tonic-gate 6197c478bd9Sstevel@tonic-gate #define AT_NOSET (AT_NLINK|AT_RDEV|AT_FSID|AT_NODEID|AT_TYPE|\ 6207c478bd9Sstevel@tonic-gate AT_BLKSIZE|AT_NBLOCKS|AT_SEQ) 6217c478bd9Sstevel@tonic-gate 622da6c28aaSamw /* 623da6c28aaSamw * Attribute bits used in the extensible attribute's (xva's) attribute 624da6c28aaSamw * bitmaps. Note that the bitmaps are made up of a variable length number 625da6c28aaSamw * of 32-bit words. The convention is to use XAT{n}_{attrname} where "n" 626da6c28aaSamw * is the element in the bitmap (starting at 1). This convention is for 627da6c28aaSamw * the convenience of the maintainer to keep track of which element each 628da6c28aaSamw * attribute belongs to. 629da6c28aaSamw * 630da6c28aaSamw * NOTE THAT CONSUMERS MUST *NOT* USE THE XATn_* DEFINES DIRECTLY. CONSUMERS 631da6c28aaSamw * MUST USE THE XAT_* DEFINES. 632da6c28aaSamw */ 633da6c28aaSamw #define XAT0_INDEX 0LL /* Index into bitmap for XAT0 attrs */ 634da6c28aaSamw #define XAT0_CREATETIME 0x00000001 /* Create time of file */ 635da6c28aaSamw #define XAT0_ARCHIVE 0x00000002 /* Archive */ 636da6c28aaSamw #define XAT0_SYSTEM 0x00000004 /* System */ 637da6c28aaSamw #define XAT0_READONLY 0x00000008 /* Readonly */ 638da6c28aaSamw #define XAT0_HIDDEN 0x00000010 /* Hidden */ 639da6c28aaSamw #define XAT0_NOUNLINK 0x00000020 /* Nounlink */ 640da6c28aaSamw #define XAT0_IMMUTABLE 0x00000040 /* immutable */ 641da6c28aaSamw #define XAT0_APPENDONLY 0x00000080 /* appendonly */ 642da6c28aaSamw #define XAT0_NODUMP 0x00000100 /* nodump */ 643da6c28aaSamw #define XAT0_OPAQUE 0x00000200 /* opaque */ 644da6c28aaSamw #define XAT0_AV_QUARANTINED 0x00000400 /* anti-virus quarantine */ 645da6c28aaSamw #define XAT0_AV_MODIFIED 0x00000800 /* anti-virus modified */ 646da6c28aaSamw #define XAT0_AV_SCANSTAMP 0x00001000 /* anti-virus scanstamp */ 6477a286c47SDai Ngo #define XAT0_REPARSE 0x00002000 /* FS reparse point */ 64899d5e173STim Haley #define XAT0_GEN 0x00004000 /* object generation number */ 649fd9ee8b5Sjoyce mcintosh #define XAT0_OFFLINE 0x00008000 /* offline */ 650fd9ee8b5Sjoyce mcintosh #define XAT0_SPARSE 0x00010000 /* sparse */ 651da6c28aaSamw 652da6c28aaSamw #define XAT0_ALL_ATTRS (XAT0_CREATETIME|XAT0_ARCHIVE|XAT0_SYSTEM| \ 653da6c28aaSamw XAT0_READONLY|XAT0_HIDDEN|XAT0_NOUNLINK|XAT0_IMMUTABLE|XAT0_APPENDONLY| \ 654fd9ee8b5Sjoyce mcintosh XAT0_NODUMP|XAT0_OPAQUE|XAT0_AV_QUARANTINED| XAT0_AV_MODIFIED| \ 655fd9ee8b5Sjoyce mcintosh XAT0_AV_SCANSTAMP|XAT0_REPARSE|XATO_GEN|XAT0_OFFLINE|XAT0_SPARSE) 656da6c28aaSamw 657da6c28aaSamw /* Support for XAT_* optional attributes */ 658da6c28aaSamw #define XVA_MASK 0xffffffff /* Used to mask off 32 bits */ 659da6c28aaSamw #define XVA_SHFT 32 /* Used to shift index */ 660da6c28aaSamw 661da6c28aaSamw /* 662da6c28aaSamw * Used to pry out the index and attribute bits from the XAT_* attributes 663da6c28aaSamw * defined below. Note that we're masking things down to 32 bits then 664da6c28aaSamw * casting to uint32_t. 665da6c28aaSamw */ 666da6c28aaSamw #define XVA_INDEX(attr) ((uint32_t)(((attr) >> XVA_SHFT) & XVA_MASK)) 667da6c28aaSamw #define XVA_ATTRBIT(attr) ((uint32_t)((attr) & XVA_MASK)) 668da6c28aaSamw 669da6c28aaSamw /* 670da6c28aaSamw * The following defines present a "flat namespace" so that consumers don't 671da6c28aaSamw * need to keep track of which element belongs to which bitmap entry. 672da6c28aaSamw * 673da6c28aaSamw * NOTE THAT THESE MUST NEVER BE OR-ed TOGETHER 674da6c28aaSamw */ 675da6c28aaSamw #define XAT_CREATETIME ((XAT0_INDEX << XVA_SHFT) | XAT0_CREATETIME) 676da6c28aaSamw #define XAT_ARCHIVE ((XAT0_INDEX << XVA_SHFT) | XAT0_ARCHIVE) 677da6c28aaSamw #define XAT_SYSTEM ((XAT0_INDEX << XVA_SHFT) | XAT0_SYSTEM) 678da6c28aaSamw #define XAT_READONLY ((XAT0_INDEX << XVA_SHFT) | XAT0_READONLY) 679da6c28aaSamw #define XAT_HIDDEN ((XAT0_INDEX << XVA_SHFT) | XAT0_HIDDEN) 680da6c28aaSamw #define XAT_NOUNLINK ((XAT0_INDEX << XVA_SHFT) | XAT0_NOUNLINK) 681da6c28aaSamw #define XAT_IMMUTABLE ((XAT0_INDEX << XVA_SHFT) | XAT0_IMMUTABLE) 682da6c28aaSamw #define XAT_APPENDONLY ((XAT0_INDEX << XVA_SHFT) | XAT0_APPENDONLY) 683da6c28aaSamw #define XAT_NODUMP ((XAT0_INDEX << XVA_SHFT) | XAT0_NODUMP) 684da6c28aaSamw #define XAT_OPAQUE ((XAT0_INDEX << XVA_SHFT) | XAT0_OPAQUE) 685da6c28aaSamw #define XAT_AV_QUARANTINED ((XAT0_INDEX << XVA_SHFT) | XAT0_AV_QUARANTINED) 686da6c28aaSamw #define XAT_AV_MODIFIED ((XAT0_INDEX << XVA_SHFT) | XAT0_AV_MODIFIED) 687da6c28aaSamw #define XAT_AV_SCANSTAMP ((XAT0_INDEX << XVA_SHFT) | XAT0_AV_SCANSTAMP) 6887a286c47SDai Ngo #define XAT_REPARSE ((XAT0_INDEX << XVA_SHFT) | XAT0_REPARSE) 68999d5e173STim Haley #define XAT_GEN ((XAT0_INDEX << XVA_SHFT) | XAT0_GEN) 690fd9ee8b5Sjoyce mcintosh #define XAT_OFFLINE ((XAT0_INDEX << XVA_SHFT) | XAT0_OFFLINE) 691fd9ee8b5Sjoyce mcintosh #define XAT_SPARSE ((XAT0_INDEX << XVA_SHFT) | XAT0_SPARSE) 692da6c28aaSamw 693da6c28aaSamw /* 694da6c28aaSamw * The returned attribute map array (xva_rtnattrmap[]) is located past the 695da6c28aaSamw * requested attribute map array (xva_reqattrmap[]). Its location changes 696da6c28aaSamw * when the array sizes change. We use a separate pointer in a known location 697da6c28aaSamw * (xva_rtnattrmapp) to hold the location of xva_rtnattrmap[]. This is 698da6c28aaSamw * set in xva_init() 699da6c28aaSamw */ 700da6c28aaSamw #define XVA_RTNATTRMAP(xvap) ((xvap)->xva_rtnattrmapp) 701da6c28aaSamw 702da6c28aaSamw /* 703da6c28aaSamw * XVA_SET_REQ() sets an attribute bit in the proper element in the bitmap 704da6c28aaSamw * of requested attributes (xva_reqattrmap[]). 705da6c28aaSamw */ 706da6c28aaSamw #define XVA_SET_REQ(xvap, attr) \ 707da6c28aaSamw ASSERT((xvap)->xva_vattr.va_mask | AT_XVATTR); \ 708da6c28aaSamw ASSERT((xvap)->xva_magic == XVA_MAGIC); \ 709da6c28aaSamw (xvap)->xva_reqattrmap[XVA_INDEX(attr)] |= XVA_ATTRBIT(attr) 710ae4caef8SMark Shellenbaum /* 711ae4caef8SMark Shellenbaum * XVA_CLR_REQ() clears an attribute bit in the proper element in the bitmap 712ae4caef8SMark Shellenbaum * of requested attributes (xva_reqattrmap[]). 713ae4caef8SMark Shellenbaum */ 714ae4caef8SMark Shellenbaum #define XVA_CLR_REQ(xvap, attr) \ 715ae4caef8SMark Shellenbaum ASSERT((xvap)->xva_vattr.va_mask | AT_XVATTR); \ 716ae4caef8SMark Shellenbaum ASSERT((xvap)->xva_magic == XVA_MAGIC); \ 717ae4caef8SMark Shellenbaum (xvap)->xva_reqattrmap[XVA_INDEX(attr)] &= ~XVA_ATTRBIT(attr) 718da6c28aaSamw 719da6c28aaSamw /* 720da6c28aaSamw * XVA_SET_RTN() sets an attribute bit in the proper element in the bitmap 721da6c28aaSamw * of returned attributes (xva_rtnattrmap[]). 722da6c28aaSamw */ 723da6c28aaSamw #define XVA_SET_RTN(xvap, attr) \ 724da6c28aaSamw ASSERT((xvap)->xva_vattr.va_mask | AT_XVATTR); \ 725da6c28aaSamw ASSERT((xvap)->xva_magic == XVA_MAGIC); \ 726da6c28aaSamw (XVA_RTNATTRMAP(xvap))[XVA_INDEX(attr)] |= XVA_ATTRBIT(attr) 727da6c28aaSamw 728da6c28aaSamw /* 729da6c28aaSamw * XVA_ISSET_REQ() checks the requested attribute bitmap (xva_reqattrmap[]) 730da6c28aaSamw * to see of the corresponding attribute bit is set. If so, returns non-zero. 731da6c28aaSamw */ 732da6c28aaSamw #define XVA_ISSET_REQ(xvap, attr) \ 733da6c28aaSamw ((((xvap)->xva_vattr.va_mask | AT_XVATTR) && \ 734da6c28aaSamw ((xvap)->xva_magic == XVA_MAGIC) && \ 735da6c28aaSamw ((xvap)->xva_mapsize > XVA_INDEX(attr))) ? \ 736da6c28aaSamw ((xvap)->xva_reqattrmap[XVA_INDEX(attr)] & XVA_ATTRBIT(attr)) : 0) 737da6c28aaSamw 738da6c28aaSamw /* 739da6c28aaSamw * XVA_ISSET_RTN() checks the returned attribute bitmap (xva_rtnattrmap[]) 740da6c28aaSamw * to see of the corresponding attribute bit is set. If so, returns non-zero. 741da6c28aaSamw */ 742da6c28aaSamw #define XVA_ISSET_RTN(xvap, attr) \ 743da6c28aaSamw ((((xvap)->xva_vattr.va_mask | AT_XVATTR) && \ 744da6c28aaSamw ((xvap)->xva_magic == XVA_MAGIC) && \ 745da6c28aaSamw ((xvap)->xva_mapsize > XVA_INDEX(attr))) ? \ 746da6c28aaSamw ((XVA_RTNATTRMAP(xvap))[XVA_INDEX(attr)] & XVA_ATTRBIT(attr)) : 0) 747da6c28aaSamw 7487c478bd9Sstevel@tonic-gate /* 7497c478bd9Sstevel@tonic-gate * Modes. Some values same as S_xxx entries from stat.h for convenience. 7507c478bd9Sstevel@tonic-gate */ 7517c478bd9Sstevel@tonic-gate #define VSUID 04000 /* set user id on execution */ 7527c478bd9Sstevel@tonic-gate #define VSGID 02000 /* set group id on execution */ 7537c478bd9Sstevel@tonic-gate #define VSVTX 01000 /* save swapped text even after use */ 7547c478bd9Sstevel@tonic-gate 7557c478bd9Sstevel@tonic-gate /* 7567c478bd9Sstevel@tonic-gate * Permissions. 7577c478bd9Sstevel@tonic-gate */ 7587c478bd9Sstevel@tonic-gate #define VREAD 00400 7597c478bd9Sstevel@tonic-gate #define VWRITE 00200 7607c478bd9Sstevel@tonic-gate #define VEXEC 00100 7617c478bd9Sstevel@tonic-gate 7627c478bd9Sstevel@tonic-gate #define MODEMASK 07777 /* mode bits plus permission bits */ 7637c478bd9Sstevel@tonic-gate #define PERMMASK 00777 /* permission bits */ 7647c478bd9Sstevel@tonic-gate 765da6c28aaSamw /* 766da6c28aaSamw * VOP_ACCESS flags 767da6c28aaSamw */ 768da6c28aaSamw #define V_ACE_MASK 0x1 /* mask represents NFSv4 ACE permissions */ 769da6c28aaSamw #define V_APPEND 0x2 /* want to do append only check */ 770da6c28aaSamw 7717c478bd9Sstevel@tonic-gate /* 7727c478bd9Sstevel@tonic-gate * Check whether mandatory file locking is enabled. 7737c478bd9Sstevel@tonic-gate */ 7747c478bd9Sstevel@tonic-gate 7757c478bd9Sstevel@tonic-gate #define MANDMODE(mode) (((mode) & (VSGID|(VEXEC>>3))) == VSGID) 7767c478bd9Sstevel@tonic-gate #define MANDLOCK(vp, mode) ((vp)->v_type == VREG && MANDMODE(mode)) 7777c478bd9Sstevel@tonic-gate 7787c478bd9Sstevel@tonic-gate /* 7797c478bd9Sstevel@tonic-gate * Flags for vnode operations. 7807c478bd9Sstevel@tonic-gate */ 7817c478bd9Sstevel@tonic-gate enum rm { RMFILE, RMDIRECTORY }; /* rm or rmdir (remove) */ 7827c478bd9Sstevel@tonic-gate enum symfollow { NO_FOLLOW, FOLLOW }; /* follow symlinks (or not) */ 7837c478bd9Sstevel@tonic-gate enum vcexcl { NONEXCL, EXCL }; /* (non)excl create */ 7847c478bd9Sstevel@tonic-gate enum create { CRCREAT, CRMKNOD, CRMKDIR }; /* reason for create */ 7857c478bd9Sstevel@tonic-gate 7867c478bd9Sstevel@tonic-gate typedef enum rm rm_t; 7877c478bd9Sstevel@tonic-gate typedef enum symfollow symfollow_t; 7887c478bd9Sstevel@tonic-gate typedef enum vcexcl vcexcl_t; 7897c478bd9Sstevel@tonic-gate typedef enum create create_t; 7907c478bd9Sstevel@tonic-gate 79154207fd2SJerry Jelinek /* 79254207fd2SJerry Jelinek * Vnode Events - Used by VOP_VNEVENT 79354207fd2SJerry Jelinek * The VE_PRE_RENAME_* events fire before the rename operation and are 79454207fd2SJerry Jelinek * primarily used for specialized applications, such as NFSv4 delegation, which 79554207fd2SJerry Jelinek * need to know about rename before it occurs. 79654207fd2SJerry Jelinek */ 7977c478bd9Sstevel@tonic-gate typedef enum vnevent { 7987c478bd9Sstevel@tonic-gate VE_SUPPORT = 0, /* Query */ 7997c478bd9Sstevel@tonic-gate VE_RENAME_SRC = 1, /* Rename, with vnode as source */ 8007c478bd9Sstevel@tonic-gate VE_RENAME_DEST = 2, /* Rename, with vnode as target/destination */ 8017c478bd9Sstevel@tonic-gate VE_REMOVE = 3, /* Remove of vnode's name */ 802df2381bfSpraks VE_RMDIR = 4, /* Remove of directory vnode's name */ 803df2381bfSpraks VE_CREATE = 5, /* Create with vnode's name which exists */ 804df2381bfSpraks VE_LINK = 6, /* Link with vnode's name as source */ 805df2381bfSpraks VE_RENAME_DEST_DIR = 7, /* Rename with vnode as target dir */ 80672102e74SBryan Cantrill VE_MOUNTEDOVER = 8, /* File or Filesystem got mounted over vnode */ 80754207fd2SJerry Jelinek VE_TRUNCATE = 9, /* Truncate */ 80854207fd2SJerry Jelinek VE_PRE_RENAME_SRC = 10, /* Pre-rename, with vnode as source */ 80954207fd2SJerry Jelinek VE_PRE_RENAME_DEST = 11, /* Pre-rename, with vnode as target/dest. */ 81054207fd2SJerry Jelinek VE_PRE_RENAME_DEST_DIR = 12 /* Pre-rename with vnode as target dir */ 8117c478bd9Sstevel@tonic-gate } vnevent_t; 8127c478bd9Sstevel@tonic-gate 8137c478bd9Sstevel@tonic-gate /* 8147c478bd9Sstevel@tonic-gate * Values for checking vnode open and map counts 8157c478bd9Sstevel@tonic-gate */ 8167c478bd9Sstevel@tonic-gate enum v_mode { V_READ, V_WRITE, V_RDORWR, V_RDANDWR }; 8177c478bd9Sstevel@tonic-gate 8187c478bd9Sstevel@tonic-gate typedef enum v_mode v_mode_t; 8197c478bd9Sstevel@tonic-gate 8207c478bd9Sstevel@tonic-gate #define V_TRUE 1 8217c478bd9Sstevel@tonic-gate #define V_FALSE 0 8227c478bd9Sstevel@tonic-gate 8237c478bd9Sstevel@tonic-gate /* 8247c478bd9Sstevel@tonic-gate * Structure used on VOP_GETSECATTR and VOP_SETSECATTR operations 8257c478bd9Sstevel@tonic-gate */ 8267c478bd9Sstevel@tonic-gate 8277c478bd9Sstevel@tonic-gate typedef struct vsecattr { 8287c478bd9Sstevel@tonic-gate uint_t vsa_mask; /* See below */ 8297c478bd9Sstevel@tonic-gate int vsa_aclcnt; /* ACL entry count */ 8307c478bd9Sstevel@tonic-gate void *vsa_aclentp; /* pointer to ACL entries */ 8317c478bd9Sstevel@tonic-gate int vsa_dfaclcnt; /* default ACL entry count */ 8327c478bd9Sstevel@tonic-gate void *vsa_dfaclentp; /* pointer to default ACL entries */ 833da6c28aaSamw size_t vsa_aclentsz; /* ACE size in bytes of vsa_aclentp */ 834da6c28aaSamw uint_t vsa_aclflags; /* ACE ACL flags */ 8357c478bd9Sstevel@tonic-gate } vsecattr_t; 8367c478bd9Sstevel@tonic-gate 8377c478bd9Sstevel@tonic-gate /* vsa_mask values */ 838da6c28aaSamw #define VSA_ACL 0x0001 839da6c28aaSamw #define VSA_ACLCNT 0x0002 840da6c28aaSamw #define VSA_DFACL 0x0004 841da6c28aaSamw #define VSA_DFACLCNT 0x0008 842da6c28aaSamw #define VSA_ACE 0x0010 843da6c28aaSamw #define VSA_ACECNT 0x0020 844da6c28aaSamw #define VSA_ACE_ALLTYPES 0x0040 845da6c28aaSamw #define VSA_ACE_ACLFLAGS 0x0080 /* get/set ACE ACL flags */ 8467c478bd9Sstevel@tonic-gate 8477c478bd9Sstevel@tonic-gate /* 8487c478bd9Sstevel@tonic-gate * Structure used by various vnode operations to determine 8497c478bd9Sstevel@tonic-gate * the context (pid, host, identity) of a caller. 8507c478bd9Sstevel@tonic-gate * 8517c478bd9Sstevel@tonic-gate * The cc_caller_id is used to identify one or more callers who invoke 8527c478bd9Sstevel@tonic-gate * operations, possibly on behalf of others. For example, the NFS 8537c478bd9Sstevel@tonic-gate * server could have it's own cc_caller_id which can be detected by 8547c478bd9Sstevel@tonic-gate * vnode/vfs operations or (FEM) monitors on those operations. New 8557c478bd9Sstevel@tonic-gate * caller IDs are generated by fs_new_caller_id(). 8567c478bd9Sstevel@tonic-gate */ 8577c478bd9Sstevel@tonic-gate typedef struct caller_context { 8587c478bd9Sstevel@tonic-gate pid_t cc_pid; /* Process ID of the caller */ 8597c478bd9Sstevel@tonic-gate int cc_sysid; /* System ID, used for remote calls */ 8607c478bd9Sstevel@tonic-gate u_longlong_t cc_caller_id; /* Identifier for (set of) caller(s) */ 861cfae96c2Sjwahlig ulong_t cc_flags; 8627c478bd9Sstevel@tonic-gate } caller_context_t; 8637c478bd9Sstevel@tonic-gate 864cfae96c2Sjwahlig /* 865cfae96c2Sjwahlig * Flags for caller context. The caller sets CC_DONTBLOCK if it does not 866cfae96c2Sjwahlig * want to block inside of a FEM monitor. The monitor will set CC_WOULDBLOCK 867cfae96c2Sjwahlig * and return EAGAIN if the operation would have blocked. 868cfae96c2Sjwahlig */ 869cfae96c2Sjwahlig #define CC_WOULDBLOCK 0x01 870cfae96c2Sjwahlig #define CC_DONTBLOCK 0x02 871cfae96c2Sjwahlig 8727c478bd9Sstevel@tonic-gate /* 8737c478bd9Sstevel@tonic-gate * Structure tags for function prototypes, defined elsewhere. 8747c478bd9Sstevel@tonic-gate */ 8757c478bd9Sstevel@tonic-gate struct pathname; 8767c478bd9Sstevel@tonic-gate struct fid; 8777c478bd9Sstevel@tonic-gate struct flock64; 8787c478bd9Sstevel@tonic-gate struct flk_callback; 8797c478bd9Sstevel@tonic-gate struct shrlock; 8807c478bd9Sstevel@tonic-gate struct page; 8817c478bd9Sstevel@tonic-gate struct seg; 8827c478bd9Sstevel@tonic-gate struct as; 8837c478bd9Sstevel@tonic-gate struct pollhead; 8849d3574bfSNeil Perrin struct taskq; 8857c478bd9Sstevel@tonic-gate 886aa59c4cbSrsb #ifdef _KERNEL 887aa59c4cbSrsb 8887c478bd9Sstevel@tonic-gate /* 889aa59c4cbSrsb * VNODE_OPS defines all the vnode operations. It is used to define 890aa59c4cbSrsb * the vnodeops structure (below) and the fs_func_p union (vfs_opreg.h). 891aa59c4cbSrsb */ 892aa59c4cbSrsb #define VNODE_OPS \ 893da6c28aaSamw int (*vop_open)(vnode_t **, int, cred_t *, \ 894da6c28aaSamw caller_context_t *); \ 895da6c28aaSamw int (*vop_close)(vnode_t *, int, int, offset_t, cred_t *, \ 896da6c28aaSamw caller_context_t *); \ 897aa59c4cbSrsb int (*vop_read)(vnode_t *, uio_t *, int, cred_t *, \ 898aa59c4cbSrsb caller_context_t *); \ 899aa59c4cbSrsb int (*vop_write)(vnode_t *, uio_t *, int, cred_t *, \ 900aa59c4cbSrsb caller_context_t *); \ 901aa59c4cbSrsb int (*vop_ioctl)(vnode_t *, int, intptr_t, int, cred_t *, \ 902da6c28aaSamw int *, caller_context_t *); \ 903da6c28aaSamw int (*vop_setfl)(vnode_t *, int, int, cred_t *, \ 904da6c28aaSamw caller_context_t *); \ 905da6c28aaSamw int (*vop_getattr)(vnode_t *, vattr_t *, int, cred_t *, \ 906da6c28aaSamw caller_context_t *); \ 907aa59c4cbSrsb int (*vop_setattr)(vnode_t *, vattr_t *, int, cred_t *, \ 908aa59c4cbSrsb caller_context_t *); \ 909da6c28aaSamw int (*vop_access)(vnode_t *, int, int, cred_t *, \ 910da6c28aaSamw caller_context_t *); \ 911aa59c4cbSrsb int (*vop_lookup)(vnode_t *, char *, vnode_t **, \ 912aa59c4cbSrsb struct pathname *, \ 913da6c28aaSamw int, vnode_t *, cred_t *, \ 914da6c28aaSamw caller_context_t *, int *, \ 915da6c28aaSamw struct pathname *); \ 916aa59c4cbSrsb int (*vop_create)(vnode_t *, char *, vattr_t *, vcexcl_t, \ 917da6c28aaSamw int, vnode_t **, cred_t *, int, \ 918da6c28aaSamw caller_context_t *, vsecattr_t *); \ 919da6c28aaSamw int (*vop_remove)(vnode_t *, char *, cred_t *, \ 920da6c28aaSamw caller_context_t *, int); \ 921da6c28aaSamw int (*vop_link)(vnode_t *, vnode_t *, char *, cred_t *, \ 922da6c28aaSamw caller_context_t *, int); \ 923aa59c4cbSrsb int (*vop_rename)(vnode_t *, char *, vnode_t *, char *, \ 924da6c28aaSamw cred_t *, caller_context_t *, int); \ 925aa59c4cbSrsb int (*vop_mkdir)(vnode_t *, char *, vattr_t *, vnode_t **, \ 926da6c28aaSamw cred_t *, caller_context_t *, int, \ 927da6c28aaSamw vsecattr_t *); \ 928da6c28aaSamw int (*vop_rmdir)(vnode_t *, char *, vnode_t *, cred_t *, \ 929da6c28aaSamw caller_context_t *, int); \ 930da6c28aaSamw int (*vop_readdir)(vnode_t *, uio_t *, cred_t *, int *, \ 931da6c28aaSamw caller_context_t *, int); \ 932aa59c4cbSrsb int (*vop_symlink)(vnode_t *, char *, vattr_t *, char *, \ 933da6c28aaSamw cred_t *, caller_context_t *, int); \ 934da6c28aaSamw int (*vop_readlink)(vnode_t *, uio_t *, cred_t *, \ 935da6c28aaSamw caller_context_t *); \ 936da6c28aaSamw int (*vop_fsync)(vnode_t *, int, cred_t *, \ 937da6c28aaSamw caller_context_t *); \ 938da6c28aaSamw void (*vop_inactive)(vnode_t *, cred_t *, \ 939da6c28aaSamw caller_context_t *); \ 940da6c28aaSamw int (*vop_fid)(vnode_t *, struct fid *, \ 941da6c28aaSamw caller_context_t *); \ 942aa59c4cbSrsb int (*vop_rwlock)(vnode_t *, int, caller_context_t *); \ 943aa59c4cbSrsb void (*vop_rwunlock)(vnode_t *, int, caller_context_t *); \ 944da6c28aaSamw int (*vop_seek)(vnode_t *, offset_t, offset_t *, \ 945da6c28aaSamw caller_context_t *); \ 946da6c28aaSamw int (*vop_cmp)(vnode_t *, vnode_t *, caller_context_t *); \ 947aa59c4cbSrsb int (*vop_frlock)(vnode_t *, int, struct flock64 *, \ 948aa59c4cbSrsb int, offset_t, \ 949da6c28aaSamw struct flk_callback *, cred_t *, \ 950da6c28aaSamw caller_context_t *); \ 951aa59c4cbSrsb int (*vop_space)(vnode_t *, int, struct flock64 *, \ 952aa59c4cbSrsb int, offset_t, \ 953aa59c4cbSrsb cred_t *, caller_context_t *); \ 954da6c28aaSamw int (*vop_realvp)(vnode_t *, vnode_t **, \ 955da6c28aaSamw caller_context_t *); \ 956aa59c4cbSrsb int (*vop_getpage)(vnode_t *, offset_t, size_t, uint_t *, \ 957aa59c4cbSrsb struct page **, size_t, struct seg *, \ 958da6c28aaSamw caddr_t, enum seg_rw, cred_t *, \ 959da6c28aaSamw caller_context_t *); \ 960aa59c4cbSrsb int (*vop_putpage)(vnode_t *, offset_t, size_t, \ 961da6c28aaSamw int, cred_t *, caller_context_t *); \ 962aa59c4cbSrsb int (*vop_map)(vnode_t *, offset_t, struct as *, \ 963aa59c4cbSrsb caddr_t *, size_t, \ 964da6c28aaSamw uchar_t, uchar_t, uint_t, cred_t *, \ 965da6c28aaSamw caller_context_t *); \ 966aa59c4cbSrsb int (*vop_addmap)(vnode_t *, offset_t, struct as *, \ 967aa59c4cbSrsb caddr_t, size_t, \ 968da6c28aaSamw uchar_t, uchar_t, uint_t, cred_t *, \ 969da6c28aaSamw caller_context_t *); \ 970aa59c4cbSrsb int (*vop_delmap)(vnode_t *, offset_t, struct as *, \ 971aa59c4cbSrsb caddr_t, size_t, \ 972da6c28aaSamw uint_t, uint_t, uint_t, cred_t *, \ 973da6c28aaSamw caller_context_t *); \ 974aa59c4cbSrsb int (*vop_poll)(vnode_t *, short, int, short *, \ 975da6c28aaSamw struct pollhead **, \ 976da6c28aaSamw caller_context_t *); \ 977d7334e51Srm int (*vop_dump)(vnode_t *, caddr_t, offset_t, offset_t, \ 978da6c28aaSamw caller_context_t *); \ 979da6c28aaSamw int (*vop_pathconf)(vnode_t *, int, ulong_t *, cred_t *, \ 980da6c28aaSamw caller_context_t *); \ 981aa59c4cbSrsb int (*vop_pageio)(vnode_t *, struct page *, \ 982da6c28aaSamw u_offset_t, size_t, int, cred_t *, \ 983da6c28aaSamw caller_context_t *); \ 984d7334e51Srm int (*vop_dumpctl)(vnode_t *, int, offset_t *, \ 985da6c28aaSamw caller_context_t *); \ 986aa59c4cbSrsb void (*vop_dispose)(vnode_t *, struct page *, \ 987da6c28aaSamw int, int, cred_t *, \ 988da6c28aaSamw caller_context_t *); \ 989aa59c4cbSrsb int (*vop_setsecattr)(vnode_t *, vsecattr_t *, \ 990da6c28aaSamw int, cred_t *, caller_context_t *); \ 991aa59c4cbSrsb int (*vop_getsecattr)(vnode_t *, vsecattr_t *, \ 992da6c28aaSamw int, cred_t *, caller_context_t *); \ 993aa59c4cbSrsb int (*vop_shrlock)(vnode_t *, int, struct shrlock *, \ 994da6c28aaSamw int, cred_t *, caller_context_t *); \ 995da6c28aaSamw int (*vop_vnevent)(vnode_t *, vnevent_t, vnode_t *, \ 996c242f9a0Schunli zhang - Sun Microsystems - Irvine United States char *, caller_context_t *); \ 997c242f9a0Schunli zhang - Sun Microsystems - Irvine United States int (*vop_reqzcbuf)(vnode_t *, enum uio_rw, xuio_t *, \ 998c242f9a0Schunli zhang - Sun Microsystems - Irvine United States cred_t *, caller_context_t *); \ 999c242f9a0Schunli zhang - Sun Microsystems - Irvine United States int (*vop_retzcbuf)(vnode_t *, xuio_t *, cred_t *, \ 1000c242f9a0Schunli zhang - Sun Microsystems - Irvine United States caller_context_t *) 1001df2381bfSpraks /* NB: No ";" */ 1002aa59c4cbSrsb 1003aa59c4cbSrsb /* 1004aa59c4cbSrsb * Operations on vnodes. Note: File systems must never operate directly 10057c478bd9Sstevel@tonic-gate * on a 'vnodeops' structure -- it WILL change in future releases! They 1006aa59c4cbSrsb * must use vn_make_ops() to create the structure. 10077c478bd9Sstevel@tonic-gate */ 10087c478bd9Sstevel@tonic-gate typedef struct vnodeops { 10097c478bd9Sstevel@tonic-gate const char *vnop_name; 1010aa59c4cbSrsb VNODE_OPS; /* Signatures of all vnode operations (vops) */ 10117c478bd9Sstevel@tonic-gate } vnodeops_t; 10127c478bd9Sstevel@tonic-gate 1013aa59c4cbSrsb typedef int (*fs_generic_func_p) (); /* Generic vop/vfsop/femop/fsemop ptr */ 10147c478bd9Sstevel@tonic-gate 1015da6c28aaSamw extern int fop_open(vnode_t **, int, cred_t *, caller_context_t *); 1016da6c28aaSamw extern int fop_close(vnode_t *, int, int, offset_t, cred_t *, 1017da6c28aaSamw caller_context_t *); 10187c478bd9Sstevel@tonic-gate extern int fop_read(vnode_t *, uio_t *, int, cred_t *, caller_context_t *); 10197c478bd9Sstevel@tonic-gate extern int fop_write(vnode_t *, uio_t *, int, cred_t *, 10207c478bd9Sstevel@tonic-gate caller_context_t *); 1021da6c28aaSamw extern int fop_ioctl(vnode_t *, int, intptr_t, int, cred_t *, int *, 1022da6c28aaSamw caller_context_t *); 1023da6c28aaSamw extern int fop_setfl(vnode_t *, int, int, cred_t *, caller_context_t *); 1024da6c28aaSamw extern int fop_getattr(vnode_t *, vattr_t *, int, cred_t *, 1025da6c28aaSamw caller_context_t *); 10267c478bd9Sstevel@tonic-gate extern int fop_setattr(vnode_t *, vattr_t *, int, cred_t *, 10277c478bd9Sstevel@tonic-gate caller_context_t *); 1028da6c28aaSamw extern int fop_access(vnode_t *, int, int, cred_t *, caller_context_t *); 10297c478bd9Sstevel@tonic-gate extern int fop_lookup(vnode_t *, char *, vnode_t **, struct pathname *, 1030da6c28aaSamw int, vnode_t *, cred_t *, caller_context_t *, 1031da6c28aaSamw int *, struct pathname *); 10327c478bd9Sstevel@tonic-gate extern int fop_create(vnode_t *, char *, vattr_t *, vcexcl_t, int, 1033da6c28aaSamw vnode_t **, cred_t *, int, caller_context_t *, 1034da6c28aaSamw vsecattr_t *); 1035da6c28aaSamw extern int fop_remove(vnode_t *vp, char *, cred_t *, caller_context_t *, 1036da6c28aaSamw int); 1037da6c28aaSamw extern int fop_link(vnode_t *, vnode_t *, char *, cred_t *, 1038da6c28aaSamw caller_context_t *, int); 1039da6c28aaSamw extern int fop_rename(vnode_t *, char *, vnode_t *, char *, cred_t *, 1040da6c28aaSamw caller_context_t *, int); 1041da6c28aaSamw extern int fop_mkdir(vnode_t *, char *, vattr_t *, vnode_t **, cred_t *, 1042da6c28aaSamw caller_context_t *, int, vsecattr_t *); 1043da6c28aaSamw extern int fop_rmdir(vnode_t *, char *, vnode_t *, cred_t *, 1044da6c28aaSamw caller_context_t *, int); 1045da6c28aaSamw extern int fop_readdir(vnode_t *, uio_t *, cred_t *, int *, 1046da6c28aaSamw caller_context_t *, int); 1047da6c28aaSamw extern int fop_symlink(vnode_t *, char *, vattr_t *, char *, cred_t *, 1048da6c28aaSamw caller_context_t *, int); 1049da6c28aaSamw extern int fop_readlink(vnode_t *, uio_t *, cred_t *, caller_context_t *); 1050da6c28aaSamw extern int fop_fsync(vnode_t *, int, cred_t *, caller_context_t *); 1051da6c28aaSamw extern void fop_inactive(vnode_t *, cred_t *, caller_context_t *); 1052da6c28aaSamw extern int fop_fid(vnode_t *, struct fid *, caller_context_t *); 10537c478bd9Sstevel@tonic-gate extern int fop_rwlock(vnode_t *, int, caller_context_t *); 10547c478bd9Sstevel@tonic-gate extern void fop_rwunlock(vnode_t *, int, caller_context_t *); 1055da6c28aaSamw extern int fop_seek(vnode_t *, offset_t, offset_t *, caller_context_t *); 1056da6c28aaSamw extern int fop_cmp(vnode_t *, vnode_t *, caller_context_t *); 10577c478bd9Sstevel@tonic-gate extern int fop_frlock(vnode_t *, int, struct flock64 *, int, offset_t, 1058da6c28aaSamw struct flk_callback *, cred_t *, 1059da6c28aaSamw caller_context_t *); 10607c478bd9Sstevel@tonic-gate extern int fop_space(vnode_t *, int, struct flock64 *, int, offset_t, 10617c478bd9Sstevel@tonic-gate cred_t *, caller_context_t *); 1062da6c28aaSamw extern int fop_realvp(vnode_t *, vnode_t **, caller_context_t *); 10637c478bd9Sstevel@tonic-gate extern int fop_getpage(vnode_t *, offset_t, size_t, uint_t *, 10647c478bd9Sstevel@tonic-gate struct page **, size_t, struct seg *, 1065da6c28aaSamw caddr_t, enum seg_rw, cred_t *, 1066da6c28aaSamw caller_context_t *); 1067da6c28aaSamw extern int fop_putpage(vnode_t *, offset_t, size_t, int, cred_t *, 1068da6c28aaSamw caller_context_t *); 10697c478bd9Sstevel@tonic-gate extern int fop_map(vnode_t *, offset_t, struct as *, caddr_t *, size_t, 1070da6c28aaSamw uchar_t, uchar_t, uint_t, cred_t *cr, 1071da6c28aaSamw caller_context_t *); 10727c478bd9Sstevel@tonic-gate extern int fop_addmap(vnode_t *, offset_t, struct as *, caddr_t, size_t, 1073da6c28aaSamw uchar_t, uchar_t, uint_t, cred_t *, 1074da6c28aaSamw caller_context_t *); 10757c478bd9Sstevel@tonic-gate extern int fop_delmap(vnode_t *, offset_t, struct as *, caddr_t, size_t, 1076da6c28aaSamw uint_t, uint_t, uint_t, cred_t *, 1077da6c28aaSamw caller_context_t *); 1078da6c28aaSamw extern int fop_poll(vnode_t *, short, int, short *, struct pollhead **, 1079da6c28aaSamw caller_context_t *); 1080d7334e51Srm extern int fop_dump(vnode_t *, caddr_t, offset_t, offset_t, 1081d7334e51Srm caller_context_t *); 1082da6c28aaSamw extern int fop_pathconf(vnode_t *, int, ulong_t *, cred_t *, 1083da6c28aaSamw caller_context_t *); 10847c478bd9Sstevel@tonic-gate extern int fop_pageio(vnode_t *, struct page *, u_offset_t, size_t, int, 1085da6c28aaSamw cred_t *, caller_context_t *); 1086d7334e51Srm extern int fop_dumpctl(vnode_t *, int, offset_t *, caller_context_t *); 1087da6c28aaSamw extern void fop_dispose(vnode_t *, struct page *, int, int, cred_t *, 1088da6c28aaSamw caller_context_t *); 1089da6c28aaSamw extern int fop_setsecattr(vnode_t *, vsecattr_t *, int, cred_t *, 1090da6c28aaSamw caller_context_t *); 1091da6c28aaSamw extern int fop_getsecattr(vnode_t *, vsecattr_t *, int, cred_t *, 1092da6c28aaSamw caller_context_t *); 1093da6c28aaSamw extern int fop_shrlock(vnode_t *, int, struct shrlock *, int, cred_t *, 1094da6c28aaSamw caller_context_t *); 1095da6c28aaSamw extern int fop_vnevent(vnode_t *, vnevent_t, vnode_t *, char *, 1096da6c28aaSamw caller_context_t *); 1097c242f9a0Schunli zhang - Sun Microsystems - Irvine United States extern int fop_reqzcbuf(vnode_t *, enum uio_rw, xuio_t *, cred_t *, 1098c242f9a0Schunli zhang - Sun Microsystems - Irvine United States caller_context_t *); 1099c242f9a0Schunli zhang - Sun Microsystems - Irvine United States extern int fop_retzcbuf(vnode_t *, xuio_t *, cred_t *, caller_context_t *); 11007c478bd9Sstevel@tonic-gate 11017c478bd9Sstevel@tonic-gate #endif /* _KERNEL */ 11027c478bd9Sstevel@tonic-gate 1103da6c28aaSamw #define VOP_OPEN(vpp, mode, cr, ct) \ 1104da6c28aaSamw fop_open(vpp, mode, cr, ct) 1105da6c28aaSamw #define VOP_CLOSE(vp, f, c, o, cr, ct) \ 1106da6c28aaSamw fop_close(vp, f, c, o, cr, ct) 11077c478bd9Sstevel@tonic-gate #define VOP_READ(vp, uiop, iof, cr, ct) \ 11087c478bd9Sstevel@tonic-gate fop_read(vp, uiop, iof, cr, ct) 11097c478bd9Sstevel@tonic-gate #define VOP_WRITE(vp, uiop, iof, cr, ct) \ 11107c478bd9Sstevel@tonic-gate fop_write(vp, uiop, iof, cr, ct) 1111da6c28aaSamw #define VOP_IOCTL(vp, cmd, a, f, cr, rvp, ct) \ 1112da6c28aaSamw fop_ioctl(vp, cmd, a, f, cr, rvp, ct) 1113da6c28aaSamw #define VOP_SETFL(vp, f, a, cr, ct) \ 1114da6c28aaSamw fop_setfl(vp, f, a, cr, ct) 1115da6c28aaSamw #define VOP_GETATTR(vp, vap, f, cr, ct) \ 1116da6c28aaSamw fop_getattr(vp, vap, f, cr, ct) 11177c478bd9Sstevel@tonic-gate #define VOP_SETATTR(vp, vap, f, cr, ct) \ 11187c478bd9Sstevel@tonic-gate fop_setattr(vp, vap, f, cr, ct) 1119da6c28aaSamw #define VOP_ACCESS(vp, mode, f, cr, ct) \ 1120da6c28aaSamw fop_access(vp, mode, f, cr, ct) 1121da6c28aaSamw #define VOP_LOOKUP(vp, cp, vpp, pnp, f, rdir, cr, ct, defp, rpnp) \ 1122da6c28aaSamw fop_lookup(vp, cp, vpp, pnp, f, rdir, cr, ct, defp, rpnp) 1123da6c28aaSamw #define VOP_CREATE(dvp, p, vap, ex, mode, vpp, cr, flag, ct, vsap) \ 1124da6c28aaSamw fop_create(dvp, p, vap, ex, mode, vpp, cr, flag, ct, vsap) 1125da6c28aaSamw #define VOP_REMOVE(dvp, p, cr, ct, f) \ 1126da6c28aaSamw fop_remove(dvp, p, cr, ct, f) 1127da6c28aaSamw #define VOP_LINK(tdvp, fvp, p, cr, ct, f) \ 1128da6c28aaSamw fop_link(tdvp, fvp, p, cr, ct, f) 1129da6c28aaSamw #define VOP_RENAME(fvp, fnm, tdvp, tnm, cr, ct, f) \ 1130da6c28aaSamw fop_rename(fvp, fnm, tdvp, tnm, cr, ct, f) 1131da6c28aaSamw #define VOP_MKDIR(dp, p, vap, vpp, cr, ct, f, vsap) \ 1132da6c28aaSamw fop_mkdir(dp, p, vap, vpp, cr, ct, f, vsap) 1133da6c28aaSamw #define VOP_RMDIR(dp, p, cdir, cr, ct, f) \ 1134da6c28aaSamw fop_rmdir(dp, p, cdir, cr, ct, f) 1135da6c28aaSamw #define VOP_READDIR(vp, uiop, cr, eofp, ct, f) \ 1136da6c28aaSamw fop_readdir(vp, uiop, cr, eofp, ct, f) 1137da6c28aaSamw #define VOP_SYMLINK(dvp, lnm, vap, tnm, cr, ct, f) \ 1138da6c28aaSamw fop_symlink(dvp, lnm, vap, tnm, cr, ct, f) 1139da6c28aaSamw #define VOP_READLINK(vp, uiop, cr, ct) \ 1140da6c28aaSamw fop_readlink(vp, uiop, cr, ct) 1141da6c28aaSamw #define VOP_FSYNC(vp, syncflag, cr, ct) \ 1142da6c28aaSamw fop_fsync(vp, syncflag, cr, ct) 1143da6c28aaSamw #define VOP_INACTIVE(vp, cr, ct) \ 1144da6c28aaSamw fop_inactive(vp, cr, ct) 1145da6c28aaSamw #define VOP_FID(vp, fidp, ct) \ 1146da6c28aaSamw fop_fid(vp, fidp, ct) 11477c478bd9Sstevel@tonic-gate #define VOP_RWLOCK(vp, w, ct) \ 11487c478bd9Sstevel@tonic-gate fop_rwlock(vp, w, ct) 11497c478bd9Sstevel@tonic-gate #define VOP_RWUNLOCK(vp, w, ct) \ 11507c478bd9Sstevel@tonic-gate fop_rwunlock(vp, w, ct) 1151da6c28aaSamw #define VOP_SEEK(vp, ooff, noffp, ct) \ 1152da6c28aaSamw fop_seek(vp, ooff, noffp, ct) 1153da6c28aaSamw #define VOP_CMP(vp1, vp2, ct) \ 1154da6c28aaSamw fop_cmp(vp1, vp2, ct) 1155da6c28aaSamw #define VOP_FRLOCK(vp, cmd, a, f, o, cb, cr, ct) \ 1156da6c28aaSamw fop_frlock(vp, cmd, a, f, o, cb, cr, ct) 11577c478bd9Sstevel@tonic-gate #define VOP_SPACE(vp, cmd, a, f, o, cr, ct) \ 11587c478bd9Sstevel@tonic-gate fop_space(vp, cmd, a, f, o, cr, ct) 1159da6c28aaSamw #define VOP_REALVP(vp1, vp2, ct) \ 1160da6c28aaSamw fop_realvp(vp1, vp2, ct) 1161da6c28aaSamw #define VOP_GETPAGE(vp, of, sz, pr, pl, ps, sg, a, rw, cr, ct) \ 1162da6c28aaSamw fop_getpage(vp, of, sz, pr, pl, ps, sg, a, rw, cr, ct) 1163da6c28aaSamw #define VOP_PUTPAGE(vp, of, sz, fl, cr, ct) \ 1164da6c28aaSamw fop_putpage(vp, of, sz, fl, cr, ct) 1165da6c28aaSamw #define VOP_MAP(vp, of, as, a, sz, p, mp, fl, cr, ct) \ 1166da6c28aaSamw fop_map(vp, of, as, a, sz, p, mp, fl, cr, ct) 1167da6c28aaSamw #define VOP_ADDMAP(vp, of, as, a, sz, p, mp, fl, cr, ct) \ 1168da6c28aaSamw fop_addmap(vp, of, as, a, sz, p, mp, fl, cr, ct) 1169da6c28aaSamw #define VOP_DELMAP(vp, of, as, a, sz, p, mp, fl, cr, ct) \ 1170da6c28aaSamw fop_delmap(vp, of, as, a, sz, p, mp, fl, cr, ct) 1171da6c28aaSamw #define VOP_POLL(vp, events, anyyet, reventsp, phpp, ct) \ 1172da6c28aaSamw fop_poll(vp, events, anyyet, reventsp, phpp, ct) 1173da6c28aaSamw #define VOP_DUMP(vp, addr, bn, count, ct) \ 1174da6c28aaSamw fop_dump(vp, addr, bn, count, ct) 1175da6c28aaSamw #define VOP_PATHCONF(vp, cmd, valp, cr, ct) \ 1176da6c28aaSamw fop_pathconf(vp, cmd, valp, cr, ct) 1177da6c28aaSamw #define VOP_PAGEIO(vp, pp, io_off, io_len, flags, cr, ct) \ 1178da6c28aaSamw fop_pageio(vp, pp, io_off, io_len, flags, cr, ct) 1179da6c28aaSamw #define VOP_DUMPCTL(vp, action, blkp, ct) \ 1180da6c28aaSamw fop_dumpctl(vp, action, blkp, ct) 1181da6c28aaSamw #define VOP_DISPOSE(vp, pp, flag, dn, cr, ct) \ 1182da6c28aaSamw fop_dispose(vp, pp, flag, dn, cr, ct) 1183da6c28aaSamw #define VOP_GETSECATTR(vp, vsap, f, cr, ct) \ 1184da6c28aaSamw fop_getsecattr(vp, vsap, f, cr, ct) 1185da6c28aaSamw #define VOP_SETSECATTR(vp, vsap, f, cr, ct) \ 1186da6c28aaSamw fop_setsecattr(vp, vsap, f, cr, ct) 1187da6c28aaSamw #define VOP_SHRLOCK(vp, cmd, shr, f, cr, ct) \ 1188da6c28aaSamw fop_shrlock(vp, cmd, shr, f, cr, ct) 1189da6c28aaSamw #define VOP_VNEVENT(vp, vnevent, dvp, fnm, ct) \ 1190da6c28aaSamw fop_vnevent(vp, vnevent, dvp, fnm, ct) 1191c242f9a0Schunli zhang - Sun Microsystems - Irvine United States #define VOP_REQZCBUF(vp, rwflag, xuiop, cr, ct) \ 1192c242f9a0Schunli zhang - Sun Microsystems - Irvine United States fop_reqzcbuf(vp, rwflag, xuiop, cr, ct) 1193c242f9a0Schunli zhang - Sun Microsystems - Irvine United States #define VOP_RETZCBUF(vp, xuiop, cr, ct) \ 1194c242f9a0Schunli zhang - Sun Microsystems - Irvine United States fop_retzcbuf(vp, xuiop, cr, ct) 11957c478bd9Sstevel@tonic-gate 11967c478bd9Sstevel@tonic-gate #define VOPNAME_OPEN "open" 11977c478bd9Sstevel@tonic-gate #define VOPNAME_CLOSE "close" 11987c478bd9Sstevel@tonic-gate #define VOPNAME_READ "read" 11997c478bd9Sstevel@tonic-gate #define VOPNAME_WRITE "write" 12007c478bd9Sstevel@tonic-gate #define VOPNAME_IOCTL "ioctl" 12017c478bd9Sstevel@tonic-gate #define VOPNAME_SETFL "setfl" 12027c478bd9Sstevel@tonic-gate #define VOPNAME_GETATTR "getattr" 12037c478bd9Sstevel@tonic-gate #define VOPNAME_SETATTR "setattr" 12047c478bd9Sstevel@tonic-gate #define VOPNAME_ACCESS "access" 12057c478bd9Sstevel@tonic-gate #define VOPNAME_LOOKUP "lookup" 12067c478bd9Sstevel@tonic-gate #define VOPNAME_CREATE "create" 12077c478bd9Sstevel@tonic-gate #define VOPNAME_REMOVE "remove" 12087c478bd9Sstevel@tonic-gate #define VOPNAME_LINK "link" 12097c478bd9Sstevel@tonic-gate #define VOPNAME_RENAME "rename" 12107c478bd9Sstevel@tonic-gate #define VOPNAME_MKDIR "mkdir" 12117c478bd9Sstevel@tonic-gate #define VOPNAME_RMDIR "rmdir" 12127c478bd9Sstevel@tonic-gate #define VOPNAME_READDIR "readdir" 12137c478bd9Sstevel@tonic-gate #define VOPNAME_SYMLINK "symlink" 12147c478bd9Sstevel@tonic-gate #define VOPNAME_READLINK "readlink" 12157c478bd9Sstevel@tonic-gate #define VOPNAME_FSYNC "fsync" 12167c478bd9Sstevel@tonic-gate #define VOPNAME_INACTIVE "inactive" 12177c478bd9Sstevel@tonic-gate #define VOPNAME_FID "fid" 12187c478bd9Sstevel@tonic-gate #define VOPNAME_RWLOCK "rwlock" 12197c478bd9Sstevel@tonic-gate #define VOPNAME_RWUNLOCK "rwunlock" 12207c478bd9Sstevel@tonic-gate #define VOPNAME_SEEK "seek" 12217c478bd9Sstevel@tonic-gate #define VOPNAME_CMP "cmp" 12227c478bd9Sstevel@tonic-gate #define VOPNAME_FRLOCK "frlock" 12237c478bd9Sstevel@tonic-gate #define VOPNAME_SPACE "space" 12247c478bd9Sstevel@tonic-gate #define VOPNAME_REALVP "realvp" 12257c478bd9Sstevel@tonic-gate #define VOPNAME_GETPAGE "getpage" 12267c478bd9Sstevel@tonic-gate #define VOPNAME_PUTPAGE "putpage" 12277c478bd9Sstevel@tonic-gate #define VOPNAME_MAP "map" 12287c478bd9Sstevel@tonic-gate #define VOPNAME_ADDMAP "addmap" 12297c478bd9Sstevel@tonic-gate #define VOPNAME_DELMAP "delmap" 12307c478bd9Sstevel@tonic-gate #define VOPNAME_POLL "poll" 12317c478bd9Sstevel@tonic-gate #define VOPNAME_DUMP "dump" 12327c478bd9Sstevel@tonic-gate #define VOPNAME_PATHCONF "pathconf" 12337c478bd9Sstevel@tonic-gate #define VOPNAME_PAGEIO "pageio" 12347c478bd9Sstevel@tonic-gate #define VOPNAME_DUMPCTL "dumpctl" 12357c478bd9Sstevel@tonic-gate #define VOPNAME_DISPOSE "dispose" 12367c478bd9Sstevel@tonic-gate #define VOPNAME_GETSECATTR "getsecattr" 12377c478bd9Sstevel@tonic-gate #define VOPNAME_SETSECATTR "setsecattr" 12387c478bd9Sstevel@tonic-gate #define VOPNAME_SHRLOCK "shrlock" 12397c478bd9Sstevel@tonic-gate #define VOPNAME_VNEVENT "vnevent" 1240c242f9a0Schunli zhang - Sun Microsystems - Irvine United States #define VOPNAME_REQZCBUF "reqzcbuf" 1241c242f9a0Schunli zhang - Sun Microsystems - Irvine United States #define VOPNAME_RETZCBUF "retzcbuf" 12427c478bd9Sstevel@tonic-gate 12437c478bd9Sstevel@tonic-gate /* 12447c478bd9Sstevel@tonic-gate * Flags for VOP_LOOKUP 1245da6c28aaSamw * 1246794f0adbSRoger A. Faulkner * Defined in file.h, but also possible, FIGNORECASE and FSEARCH 1247da6c28aaSamw * 12487c478bd9Sstevel@tonic-gate */ 12497c478bd9Sstevel@tonic-gate #define LOOKUP_DIR 0x01 /* want parent dir vp */ 12507c478bd9Sstevel@tonic-gate #define LOOKUP_XATTR 0x02 /* lookup up extended attr dir */ 12517c478bd9Sstevel@tonic-gate #define CREATE_XATTR_DIR 0x04 /* Create extended attr dir */ 1252da6c28aaSamw #define LOOKUP_HAVE_SYSATTR_DIR 0x08 /* Already created virtual GFS dir */ 1253da6c28aaSamw 1254da6c28aaSamw /* 1255da6c28aaSamw * Flags for VOP_READDIR 1256da6c28aaSamw */ 1257da6c28aaSamw #define V_RDDIR_ENTFLAGS 0x01 /* request dirent flags */ 1258e802abbdSTim Haley #define V_RDDIR_ACCFILTER 0x02 /* filter out inaccessible dirents */ 12597c478bd9Sstevel@tonic-gate 12607c478bd9Sstevel@tonic-gate /* 12617c478bd9Sstevel@tonic-gate * Flags for VOP_RWLOCK/VOP_RWUNLOCK 12627c478bd9Sstevel@tonic-gate * VOP_RWLOCK will return the flag that was actually set, or -1 if none. 12637c478bd9Sstevel@tonic-gate */ 12647c478bd9Sstevel@tonic-gate #define V_WRITELOCK_TRUE (1) /* Request write-lock on the vnode */ 12657c478bd9Sstevel@tonic-gate #define V_WRITELOCK_FALSE (0) /* Request read-lock on the vnode */ 12667c478bd9Sstevel@tonic-gate 12677c478bd9Sstevel@tonic-gate /* 12687c478bd9Sstevel@tonic-gate * Flags for VOP_DUMPCTL 12697c478bd9Sstevel@tonic-gate */ 12707c478bd9Sstevel@tonic-gate #define DUMP_ALLOC 0 12717c478bd9Sstevel@tonic-gate #define DUMP_FREE 1 12727c478bd9Sstevel@tonic-gate #define DUMP_SCAN 2 12737c478bd9Sstevel@tonic-gate 12747c478bd9Sstevel@tonic-gate /* 12757c478bd9Sstevel@tonic-gate * Public vnode manipulation functions. 12767c478bd9Sstevel@tonic-gate */ 12777c478bd9Sstevel@tonic-gate #ifdef _KERNEL 12787c478bd9Sstevel@tonic-gate 12797c478bd9Sstevel@tonic-gate vnode_t *vn_alloc(int); 12807c478bd9Sstevel@tonic-gate void vn_reinit(vnode_t *); 12817c478bd9Sstevel@tonic-gate void vn_recycle(vnode_t *); 12827c478bd9Sstevel@tonic-gate void vn_free(vnode_t *); 12837c478bd9Sstevel@tonic-gate 12847c478bd9Sstevel@tonic-gate int vn_is_readonly(vnode_t *); 12857c478bd9Sstevel@tonic-gate int vn_is_opened(vnode_t *, v_mode_t); 12867c478bd9Sstevel@tonic-gate int vn_is_mapped(vnode_t *, v_mode_t); 1287da6c28aaSamw int vn_has_other_opens(vnode_t *, v_mode_t); 1288da6c28aaSamw void vn_open_upgrade(vnode_t *, int); 1289da6c28aaSamw void vn_open_downgrade(vnode_t *, int); 12907c478bd9Sstevel@tonic-gate 12917c478bd9Sstevel@tonic-gate int vn_can_change_zones(vnode_t *vp); 12927c478bd9Sstevel@tonic-gate 12937c478bd9Sstevel@tonic-gate int vn_has_flocks(vnode_t *); 12947c478bd9Sstevel@tonic-gate int vn_has_mandatory_locks(vnode_t *, int); 12957c478bd9Sstevel@tonic-gate int vn_has_cached_data(vnode_t *); 12967c478bd9Sstevel@tonic-gate 12977c478bd9Sstevel@tonic-gate void vn_setops(vnode_t *, vnodeops_t *); 12987c478bd9Sstevel@tonic-gate vnodeops_t *vn_getops(vnode_t *); 12997c478bd9Sstevel@tonic-gate int vn_matchops(vnode_t *, vnodeops_t *); 13007c478bd9Sstevel@tonic-gate int vn_matchopval(vnode_t *, char *, fs_generic_func_p); 13017c478bd9Sstevel@tonic-gate int vn_ismntpt(vnode_t *); 13027c478bd9Sstevel@tonic-gate 13037c478bd9Sstevel@tonic-gate struct vfs *vn_mountedvfs(vnode_t *); 13047c478bd9Sstevel@tonic-gate 1305b5fca8f8Stomee int vn_in_dnlc(vnode_t *); 1306b5fca8f8Stomee 13077c478bd9Sstevel@tonic-gate void vn_create_cache(void); 13087c478bd9Sstevel@tonic-gate void vn_destroy_cache(void); 13097c478bd9Sstevel@tonic-gate 13107c478bd9Sstevel@tonic-gate void vn_freevnodeops(vnodeops_t *); 13117c478bd9Sstevel@tonic-gate 13127c478bd9Sstevel@tonic-gate int vn_open(char *pnamep, enum uio_seg seg, int filemode, int createmode, 13137c478bd9Sstevel@tonic-gate struct vnode **vpp, enum create crwhy, mode_t umask); 13147c478bd9Sstevel@tonic-gate int vn_openat(char *pnamep, enum uio_seg seg, int filemode, int createmode, 13157c478bd9Sstevel@tonic-gate struct vnode **vpp, enum create crwhy, 1316da6c28aaSamw mode_t umask, struct vnode *startvp, int fd); 13177c478bd9Sstevel@tonic-gate int vn_create(char *pnamep, enum uio_seg seg, struct vattr *vap, 13187c478bd9Sstevel@tonic-gate enum vcexcl excl, int mode, struct vnode **vpp, 13197c478bd9Sstevel@tonic-gate enum create why, int flag, mode_t umask); 13207c478bd9Sstevel@tonic-gate int vn_createat(char *pnamep, enum uio_seg seg, struct vattr *vap, 13217c478bd9Sstevel@tonic-gate enum vcexcl excl, int mode, struct vnode **vpp, 13227c478bd9Sstevel@tonic-gate enum create why, int flag, mode_t umask, struct vnode *startvp); 13237c478bd9Sstevel@tonic-gate int vn_rdwr(enum uio_rw rw, struct vnode *vp, caddr_t base, ssize_t len, 13247c478bd9Sstevel@tonic-gate offset_t offset, enum uio_seg seg, int ioflag, rlim64_t ulimit, 13257c478bd9Sstevel@tonic-gate cred_t *cr, ssize_t *residp); 13267c478bd9Sstevel@tonic-gate void vn_rele(struct vnode *vp); 13279d3574bfSNeil Perrin void vn_rele_async(struct vnode *vp, struct taskq *taskq); 1328b5fca8f8Stomee void vn_rele_dnlc(struct vnode *vp); 13297c478bd9Sstevel@tonic-gate void vn_rele_stream(struct vnode *vp); 13307c478bd9Sstevel@tonic-gate int vn_link(char *from, char *to, enum uio_seg seg); 1331794f0adbSRoger A. Faulkner int vn_linkat(vnode_t *fstartvp, char *from, enum symfollow follow, 1332794f0adbSRoger A. Faulkner vnode_t *tstartvp, char *to, enum uio_seg seg); 13337c478bd9Sstevel@tonic-gate int vn_rename(char *from, char *to, enum uio_seg seg); 13347c478bd9Sstevel@tonic-gate int vn_renameat(vnode_t *fdvp, char *fname, vnode_t *tdvp, char *tname, 13357c478bd9Sstevel@tonic-gate enum uio_seg seg); 13367c478bd9Sstevel@tonic-gate int vn_remove(char *fnamep, enum uio_seg seg, enum rm dirflag); 13377c478bd9Sstevel@tonic-gate int vn_removeat(vnode_t *startvp, char *fnamep, enum uio_seg seg, 13387c478bd9Sstevel@tonic-gate enum rm dirflag); 13397c478bd9Sstevel@tonic-gate int vn_compare(vnode_t *vp1, vnode_t *vp2); 13407c478bd9Sstevel@tonic-gate int vn_vfswlock(struct vnode *vp); 13417c478bd9Sstevel@tonic-gate int vn_vfswlock_wait(struct vnode *vp); 13427c478bd9Sstevel@tonic-gate int vn_vfsrlock(struct vnode *vp); 13437c478bd9Sstevel@tonic-gate int vn_vfsrlock_wait(struct vnode *vp); 13447c478bd9Sstevel@tonic-gate void vn_vfsunlock(struct vnode *vp); 13457c478bd9Sstevel@tonic-gate int vn_vfswlock_held(struct vnode *vp); 13467c478bd9Sstevel@tonic-gate vnode_t *specvp(struct vnode *vp, dev_t dev, vtype_t type, struct cred *cr); 13477c478bd9Sstevel@tonic-gate vnode_t *makespecvp(dev_t dev, vtype_t type); 13487c478bd9Sstevel@tonic-gate vn_vfslocks_entry_t *vn_vfslocks_getlock(void *); 13497c478bd9Sstevel@tonic-gate void vn_vfslocks_rele(vn_vfslocks_entry_t *); 13502f172c55SRobert Thurlow boolean_t vn_is_reparse(vnode_t *, cred_t *, caller_context_t *); 13517c478bd9Sstevel@tonic-gate 1352ca2c3138Seschrock void vn_copypath(struct vnode *src, struct vnode *dst); 1353ca2c3138Seschrock void vn_setpath_str(struct vnode *vp, const char *str, size_t len); 1354ca2c3138Seschrock void vn_setpath(vnode_t *rootvp, struct vnode *startvp, struct vnode *vp, 1355ca2c3138Seschrock const char *path, size_t plen); 135651ece835Seschrock void vn_renamepath(vnode_t *dvp, vnode_t *vp, const char *nm, size_t len); 1357ca2c3138Seschrock 1358*e2fc3408SPatrick Mooney /* Private vnode manipulation functions */ 1359*e2fc3408SPatrick Mooney void vn_clearpath(vnode_t *, hrtime_t); 1360*e2fc3408SPatrick Mooney void vn_updatepath(vnode_t *, vnode_t *, const char *); 1361*e2fc3408SPatrick Mooney 1362*e2fc3408SPatrick Mooney 13637c478bd9Sstevel@tonic-gate /* Vnode event notification */ 1364da6c28aaSamw void vnevent_rename_src(vnode_t *, vnode_t *, char *, caller_context_t *); 1365da6c28aaSamw void vnevent_rename_dest(vnode_t *, vnode_t *, char *, caller_context_t *); 1366da6c28aaSamw void vnevent_remove(vnode_t *, vnode_t *, char *, caller_context_t *); 1367da6c28aaSamw void vnevent_rmdir(vnode_t *, vnode_t *, char *, caller_context_t *); 1368da6c28aaSamw void vnevent_create(vnode_t *, caller_context_t *); 1369da6c28aaSamw void vnevent_link(vnode_t *, caller_context_t *); 1370da6c28aaSamw void vnevent_rename_dest_dir(vnode_t *, caller_context_t *ct); 1371da6c28aaSamw void vnevent_mountedover(vnode_t *, caller_context_t *); 137272102e74SBryan Cantrill void vnevent_truncate(vnode_t *, caller_context_t *); 1373da6c28aaSamw int vnevent_support(vnode_t *, caller_context_t *); 137454207fd2SJerry Jelinek void vnevent_pre_rename_src(vnode_t *, vnode_t *, char *, 137554207fd2SJerry Jelinek caller_context_t *); 137654207fd2SJerry Jelinek void vnevent_pre_rename_dest(vnode_t *, vnode_t *, char *, 137754207fd2SJerry Jelinek caller_context_t *); 137854207fd2SJerry Jelinek void vnevent_pre_rename_dest_dir(vnode_t *, vnode_t *, char *, 137954207fd2SJerry Jelinek caller_context_t *); 13807c478bd9Sstevel@tonic-gate 13811b300de9Sjwahlig /* Vnode specific data */ 13821b300de9Sjwahlig void vsd_create(uint_t *, void (*)(void *)); 13831b300de9Sjwahlig void vsd_destroy(uint_t *); 13841b300de9Sjwahlig void *vsd_get(vnode_t *, uint_t); 13851b300de9Sjwahlig int vsd_set(vnode_t *, uint_t, void *); 13861b300de9Sjwahlig void vsd_free(vnode_t *); 13871b300de9Sjwahlig 1388da6c28aaSamw /* 1389da6c28aaSamw * Extensible vnode attribute (xva) routines: 1390da6c28aaSamw * xva_init() initializes an xvattr_t (zero struct, init mapsize, set AT_XATTR) 1391da6c28aaSamw * xva_getxoptattr() returns a ponter to the xoptattr_t section of xvattr_t 1392da6c28aaSamw */ 1393da6c28aaSamw void xva_init(xvattr_t *); 1394da6c28aaSamw xoptattr_t *xva_getxoptattr(xvattr_t *); /* Get ptr to xoptattr_t */ 1395da6c28aaSamw 1396da6c28aaSamw void xattr_init(void); /* Initialize vnodeops for xattrs */ 1397da6c28aaSamw 1398da6c28aaSamw /* GFS tunnel for xattrs */ 1399da6c28aaSamw int xattr_dir_lookup(vnode_t *, vnode_t **, int, cred_t *); 1400da6c28aaSamw 14017a286c47SDai Ngo /* Reparse Point */ 14027a286c47SDai Ngo void reparse_point_init(void); 14037a286c47SDai Ngo 14047c478bd9Sstevel@tonic-gate /* Context identification */ 14057c478bd9Sstevel@tonic-gate u_longlong_t fs_new_caller_id(); 14067c478bd9Sstevel@tonic-gate 14077c478bd9Sstevel@tonic-gate int vn_vmpss_usepageio(vnode_t *); 14087c478bd9Sstevel@tonic-gate 1409*e2fc3408SPatrick Mooney /* Empty v_path placeholder */ 1410*e2fc3408SPatrick Mooney extern char *vn_vpath_empty; 1411*e2fc3408SPatrick Mooney 14127c478bd9Sstevel@tonic-gate /* 14137c478bd9Sstevel@tonic-gate * Needed for use of IS_VMODSORT() in kernel. 14147c478bd9Sstevel@tonic-gate */ 14157c478bd9Sstevel@tonic-gate extern uint_t pvn_vmodsort_supported; 14167c478bd9Sstevel@tonic-gate 1417ade42b55SSebastien Roy /* 1418ade42b55SSebastien Roy * All changes to v_count should be done through VN_HOLD() or VN_RELE(), or 1419ade42b55SSebastien Roy * one of their variants. This makes it possible to ensure proper locking, 1420ade42b55SSebastien Roy * and to guarantee that all modifications are accompanied by a firing of 1421ade42b55SSebastien Roy * the vn-hold or vn-rele SDT DTrace probe. 1422ade42b55SSebastien Roy * 1423ade42b55SSebastien Roy * Example DTrace command for tracing vnode references using these probes: 1424ade42b55SSebastien Roy * 1425ade42b55SSebastien Roy * dtrace -q -n 'sdt:::vn-hold,sdt:::vn-rele 1426ade42b55SSebastien Roy * { 1427ade42b55SSebastien Roy * this->vp = (vnode_t *)arg0; 1428ade42b55SSebastien Roy * printf("%s %s(%p[%s]) %d\n", execname, probename, this->vp, 1429ade42b55SSebastien Roy * this->vp->v_path == NULL ? "NULL" : stringof(this->vp->v_path), 1430ade42b55SSebastien Roy * this->vp->v_count) 1431ade42b55SSebastien Roy * }' 1432ade42b55SSebastien Roy */ 1433ade42b55SSebastien Roy #define VN_HOLD_LOCKED(vp) { \ 1434ade42b55SSebastien Roy ASSERT(mutex_owned(&(vp)->v_lock)); \ 1435ade42b55SSebastien Roy (vp)->v_count++; \ 1436ade42b55SSebastien Roy DTRACE_PROBE1(vn__hold, vnode_t *, vp); \ 1437ade42b55SSebastien Roy } 1438ade42b55SSebastien Roy 1439ade42b55SSebastien Roy #define VN_HOLD(vp) { \ 1440ade42b55SSebastien Roy mutex_enter(&(vp)->v_lock); \ 1441ade42b55SSebastien Roy VN_HOLD_LOCKED(vp); \ 1442ade42b55SSebastien Roy mutex_exit(&(vp)->v_lock); \ 14437c478bd9Sstevel@tonic-gate } 14447c478bd9Sstevel@tonic-gate 14457c478bd9Sstevel@tonic-gate #define VN_RELE(vp) { \ 14467c478bd9Sstevel@tonic-gate vn_rele(vp); \ 14477c478bd9Sstevel@tonic-gate } 14487c478bd9Sstevel@tonic-gate 14499d3574bfSNeil Perrin #define VN_RELE_ASYNC(vp, taskq) { \ 14509d3574bfSNeil Perrin vn_rele_async(vp, taskq); \ 14519d3574bfSNeil Perrin } 14529d3574bfSNeil Perrin 1453ade42b55SSebastien Roy #define VN_RELE_LOCKED(vp) { \ 1454ade42b55SSebastien Roy ASSERT(mutex_owned(&(vp)->v_lock)); \ 1455ade42b55SSebastien Roy ASSERT((vp)->v_count >= 1); \ 1456ade42b55SSebastien Roy (vp)->v_count--; \ 1457ade42b55SSebastien Roy DTRACE_PROBE1(vn__rele, vnode_t *, vp); \ 1458ade42b55SSebastien Roy } 1459ade42b55SSebastien Roy 14607c478bd9Sstevel@tonic-gate #define VN_SET_VFS_TYPE_DEV(vp, vfsp, type, dev) { \ 14617c478bd9Sstevel@tonic-gate (vp)->v_vfsp = (vfsp); \ 14627c478bd9Sstevel@tonic-gate (vp)->v_type = (type); \ 14637c478bd9Sstevel@tonic-gate (vp)->v_rdev = (dev); \ 14647c478bd9Sstevel@tonic-gate } 14657c478bd9Sstevel@tonic-gate 14667c478bd9Sstevel@tonic-gate /* 14677c478bd9Sstevel@tonic-gate * Compare two vnodes for equality. In general this macro should be used 14687c478bd9Sstevel@tonic-gate * in preference to calling VOP_CMP directly. 14697c478bd9Sstevel@tonic-gate */ 14707c478bd9Sstevel@tonic-gate #define VN_CMP(VP1, VP2) ((VP1) == (VP2) ? 1 : \ 14717c478bd9Sstevel@tonic-gate ((VP1) && (VP2) && (vn_getops(VP1) == vn_getops(VP2)) ? \ 1472da6c28aaSamw VOP_CMP(VP1, VP2, NULL) : 0)) 14737c478bd9Sstevel@tonic-gate 1474af4c679fSSean McEnroe /* 1475af4c679fSSean McEnroe * Some well-known global vnodes used by the VM system to name pages. 1476af4c679fSSean McEnroe */ 1477af4c679fSSean McEnroe extern struct vnode kvps[]; 1478af4c679fSSean McEnroe 1479af4c679fSSean McEnroe typedef enum { 1480af4c679fSSean McEnroe KV_KVP, /* vnode for all segkmem pages */ 1481af4c679fSSean McEnroe KV_ZVP, /* vnode for all ZFS pages */ 1482af4c679fSSean McEnroe #if defined(__sparc) 1483af4c679fSSean McEnroe KV_MPVP, /* vnode for all page_t meta-pages */ 1484af4c679fSSean McEnroe KV_PROMVP, /* vnode for all PROM pages */ 1485af4c679fSSean McEnroe #endif /* __sparc */ 1486af4c679fSSean McEnroe KV_MAX /* total number of vnodes in kvps[] */ 1487af4c679fSSean McEnroe } kvps_index_t; 1488ad23a2dbSjohansen 1489af4c679fSSean McEnroe #define VN_ISKAS(vp) ((vp) >= &kvps[0] && (vp) < &kvps[KV_MAX]) 1490ad23a2dbSjohansen 14917c478bd9Sstevel@tonic-gate #endif /* _KERNEL */ 14927c478bd9Sstevel@tonic-gate 14937c478bd9Sstevel@tonic-gate /* 14947c478bd9Sstevel@tonic-gate * Flags to VOP_SETATTR/VOP_GETATTR. 14957c478bd9Sstevel@tonic-gate */ 14967c478bd9Sstevel@tonic-gate #define ATTR_UTIME 0x01 /* non-default utime(2) request */ 14977c478bd9Sstevel@tonic-gate #define ATTR_EXEC 0x02 /* invocation from exec(2) */ 14987c478bd9Sstevel@tonic-gate #define ATTR_COMM 0x04 /* yield common vp attributes */ 14997c478bd9Sstevel@tonic-gate #define ATTR_HINT 0x08 /* information returned will be `hint' */ 15007c478bd9Sstevel@tonic-gate #define ATTR_REAL 0x10 /* yield attributes of the real vp */ 1501da6c28aaSamw #define ATTR_NOACLCHECK 0x20 /* Don't check ACL when checking permissions */ 1502b9238976Sth #define ATTR_TRIGGER 0x40 /* Mount first if vnode is a trigger mount */ 15037c478bd9Sstevel@tonic-gate /* 15047c478bd9Sstevel@tonic-gate * Generally useful macros. 15057c478bd9Sstevel@tonic-gate */ 15067c478bd9Sstevel@tonic-gate #define VBSIZE(vp) ((vp)->v_vfsp->vfs_bsize) 1507fa9e4066Sahrens 1508fa9e4066Sahrens #define VTOZONE(vp) ((vp)->v_vfsp->vfs_zone) 1509fa9e4066Sahrens 15107c478bd9Sstevel@tonic-gate #define NULLVP ((struct vnode *)0) 15117c478bd9Sstevel@tonic-gate #define NULLVPP ((struct vnode **)0) 15127c478bd9Sstevel@tonic-gate 15137c478bd9Sstevel@tonic-gate #ifdef _KERNEL 15147c478bd9Sstevel@tonic-gate 15157c478bd9Sstevel@tonic-gate /* 15167c478bd9Sstevel@tonic-gate * Structure used while handling asynchronous VOP_PUTPAGE operations. 15177c478bd9Sstevel@tonic-gate */ 15187c478bd9Sstevel@tonic-gate struct async_reqs { 15197c478bd9Sstevel@tonic-gate struct async_reqs *a_next; /* pointer to next arg struct */ 15207c478bd9Sstevel@tonic-gate struct vnode *a_vp; /* vnode pointer */ 15217c478bd9Sstevel@tonic-gate u_offset_t a_off; /* offset in file */ 15227c478bd9Sstevel@tonic-gate uint_t a_len; /* size of i/o request */ 15237c478bd9Sstevel@tonic-gate int a_flags; /* flags to indicate operation type */ 15247c478bd9Sstevel@tonic-gate struct cred *a_cred; /* cred pointer */ 15257c478bd9Sstevel@tonic-gate ushort_t a_prealloced; /* set if struct is pre-allocated */ 15267c478bd9Sstevel@tonic-gate }; 15277c478bd9Sstevel@tonic-gate 15287c478bd9Sstevel@tonic-gate /* 15297c478bd9Sstevel@tonic-gate * VN_DISPOSE() -- given a page pointer, safely invoke VOP_DISPOSE(). 15302e0ea4c4SMichael Corcoran * Note that there is no guarantee that the page passed in will be 15312e0ea4c4SMichael Corcoran * freed. If that is required, then a check after calling VN_DISPOSE would 15322e0ea4c4SMichael Corcoran * be necessary to ensure the page was freed. 15337c478bd9Sstevel@tonic-gate */ 15347c478bd9Sstevel@tonic-gate #define VN_DISPOSE(pp, flag, dn, cr) { \ 1535ad23a2dbSjohansen if ((pp)->p_vnode != NULL && !VN_ISKAS((pp)->p_vnode)) \ 1536da6c28aaSamw VOP_DISPOSE((pp)->p_vnode, (pp), (flag), (dn), (cr), NULL); \ 15377c478bd9Sstevel@tonic-gate else if ((flag) == B_FREE) \ 15387c478bd9Sstevel@tonic-gate page_free((pp), (dn)); \ 15397c478bd9Sstevel@tonic-gate else \ 15407c478bd9Sstevel@tonic-gate page_destroy((pp), (dn)); \ 15417c478bd9Sstevel@tonic-gate } 15427c478bd9Sstevel@tonic-gate 15437c478bd9Sstevel@tonic-gate #endif /* _KERNEL */ 15447c478bd9Sstevel@tonic-gate 15457c478bd9Sstevel@tonic-gate #ifdef __cplusplus 15467c478bd9Sstevel@tonic-gate } 15477c478bd9Sstevel@tonic-gate #endif 15487c478bd9Sstevel@tonic-gate 15497c478bd9Sstevel@tonic-gate #endif /* _SYS_VNODE_H */ 1550