1*8329232eSGordon Ross /* 2*8329232eSGordon Ross * CDDL HEADER START 3*8329232eSGordon Ross * 4*8329232eSGordon Ross * The contents of this file are subject to the terms of the 5*8329232eSGordon Ross * Common Development and Distribution License (the "License"). 6*8329232eSGordon Ross * You may not use this file except in compliance with the License. 7*8329232eSGordon Ross * 8*8329232eSGordon Ross * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9*8329232eSGordon Ross * or http://www.opensolaris.org/os/licensing. 10*8329232eSGordon Ross * See the License for the specific language governing permissions 11*8329232eSGordon Ross * and limitations under the License. 12*8329232eSGordon Ross * 13*8329232eSGordon Ross * When distributing Covered Code, include this CDDL HEADER in each 14*8329232eSGordon Ross * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15*8329232eSGordon Ross * If applicable, add the following below this CDDL HEADER, with the 16*8329232eSGordon Ross * fields enclosed by brackets "[]" replaced with your own identifying 17*8329232eSGordon Ross * information: Portions Copyright [yyyy] [name of copyright owner] 18*8329232eSGordon Ross * 19*8329232eSGordon Ross * CDDL HEADER END 20*8329232eSGordon Ross */ 21*8329232eSGordon Ross 22*8329232eSGordon Ross /* 23*8329232eSGordon Ross * Copyright (c) 1988, 2010, Oracle and/or its affiliates. All rights reserved. 24*8329232eSGordon Ross * Copyright (c) 2013, Joyent, Inc. All rights reserved. 25*8329232eSGordon Ross * Copyright 2017 Nexenta Systems, Inc. All rights reserved. 26*8329232eSGordon Ross */ 27*8329232eSGordon Ross 28*8329232eSGordon Ross /* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */ 29*8329232eSGordon Ross /* All Rights Reserved */ 30*8329232eSGordon Ross 31*8329232eSGordon Ross /* 32*8329232eSGordon Ross * University Copyright- Copyright (c) 1982, 1986, 1988 33*8329232eSGordon Ross * The Regents of the University of California 34*8329232eSGordon Ross * All Rights Reserved 35*8329232eSGordon Ross * 36*8329232eSGordon Ross * University Acknowledgment- Portions of this document are derived from 37*8329232eSGordon Ross * software developed by the University of California, Berkeley, and its 38*8329232eSGordon Ross * contributors. 39*8329232eSGordon Ross */ 40*8329232eSGordon Ross 41*8329232eSGordon Ross #ifndef _SYS_VNODE_H 42*8329232eSGordon Ross #define _SYS_VNODE_H 43*8329232eSGordon Ross 44*8329232eSGordon Ross #include <sys/types.h> 45*8329232eSGordon Ross #include <sys/t_lock.h> 46*8329232eSGordon Ross #include <sys/time_impl.h> 47*8329232eSGordon Ross #include <sys/cred.h> 48*8329232eSGordon Ross #include <sys/uio.h> 49*8329232eSGordon Ross #include <sys/resource.h> 50*8329232eSGordon Ross #include <vm/seg_enum.h> 51*8329232eSGordon Ross #include <sys/kstat.h> 52*8329232eSGordon Ross #include <sys/kmem.h> 53*8329232eSGordon Ross #include <sys/list.h> 54*8329232eSGordon Ross #include <sys/avl.h> 55*8329232eSGordon Ross #ifdef _KERNEL 56*8329232eSGordon Ross #include <sys/rwstlock.h> 57*8329232eSGordon Ross #include <sys/buf.h> 58*8329232eSGordon Ross #endif /* _KERNEL */ 59*8329232eSGordon Ross 60*8329232eSGordon Ross #ifdef __cplusplus 61*8329232eSGordon Ross extern "C" { 62*8329232eSGordon Ross #endif 63*8329232eSGordon Ross 64*8329232eSGordon Ross #if defined(_KERNEL) || defined(_FAKE_KERNEL) 65*8329232eSGordon Ross 66*8329232eSGordon Ross /* 67*8329232eSGordon Ross * Statistics for all vnode operations. 68*8329232eSGordon Ross * All operations record number of ops (since boot/mount/zero'ed). 69*8329232eSGordon Ross * Certain I/O operations (read, write, readdir) also record number 70*8329232eSGordon Ross * of bytes transferred. 71*8329232eSGordon Ross * This appears in two places in the system: one is embedded in each 72*8329232eSGordon Ross * vfs_t. There is also an array of vopstats_t structures allocated 73*8329232eSGordon Ross * on a per-fstype basis. 74*8329232eSGordon Ross */ 75*8329232eSGordon Ross 76*8329232eSGordon Ross #define VOPSTATS_STR "vopstats_" /* Initial string for vopstat kstats */ 77*8329232eSGordon Ross 78*8329232eSGordon Ross typedef struct vopstats { 79*8329232eSGordon Ross kstat_named_t nopen; /* VOP_OPEN */ 80*8329232eSGordon Ross kstat_named_t nclose; /* VOP_CLOSE */ 81*8329232eSGordon Ross kstat_named_t nread; /* VOP_READ */ 82*8329232eSGordon Ross kstat_named_t read_bytes; 83*8329232eSGordon Ross kstat_named_t nwrite; /* VOP_WRITE */ 84*8329232eSGordon Ross kstat_named_t write_bytes; 85*8329232eSGordon Ross kstat_named_t nioctl; /* VOP_IOCTL */ 86*8329232eSGordon Ross kstat_named_t nsetfl; /* VOP_SETFL */ 87*8329232eSGordon Ross kstat_named_t ngetattr; /* VOP_GETATTR */ 88*8329232eSGordon Ross kstat_named_t nsetattr; /* VOP_SETATTR */ 89*8329232eSGordon Ross kstat_named_t naccess; /* VOP_ACCESS */ 90*8329232eSGordon Ross kstat_named_t nlookup; /* VOP_LOOKUP */ 91*8329232eSGordon Ross kstat_named_t ncreate; /* VOP_CREATE */ 92*8329232eSGordon Ross kstat_named_t nremove; /* VOP_REMOVE */ 93*8329232eSGordon Ross kstat_named_t nlink; /* VOP_LINK */ 94*8329232eSGordon Ross kstat_named_t nrename; /* VOP_RENAME */ 95*8329232eSGordon Ross kstat_named_t nmkdir; /* VOP_MKDIR */ 96*8329232eSGordon Ross kstat_named_t nrmdir; /* VOP_RMDIR */ 97*8329232eSGordon Ross kstat_named_t nreaddir; /* VOP_READDIR */ 98*8329232eSGordon Ross kstat_named_t readdir_bytes; 99*8329232eSGordon Ross kstat_named_t nsymlink; /* VOP_SYMLINK */ 100*8329232eSGordon Ross kstat_named_t nreadlink; /* VOP_READLINK */ 101*8329232eSGordon Ross kstat_named_t nfsync; /* VOP_FSYNC */ 102*8329232eSGordon Ross kstat_named_t ninactive; /* VOP_INACTIVE */ 103*8329232eSGordon Ross kstat_named_t nfid; /* VOP_FID */ 104*8329232eSGordon Ross kstat_named_t nrwlock; /* VOP_RWLOCK */ 105*8329232eSGordon Ross kstat_named_t nrwunlock; /* VOP_RWUNLOCK */ 106*8329232eSGordon Ross kstat_named_t nseek; /* VOP_SEEK */ 107*8329232eSGordon Ross kstat_named_t ncmp; /* VOP_CMP */ 108*8329232eSGordon Ross kstat_named_t nfrlock; /* VOP_FRLOCK */ 109*8329232eSGordon Ross kstat_named_t nspace; /* VOP_SPACE */ 110*8329232eSGordon Ross kstat_named_t nrealvp; /* VOP_REALVP */ 111*8329232eSGordon Ross kstat_named_t ngetpage; /* VOP_GETPAGE */ 112*8329232eSGordon Ross kstat_named_t nputpage; /* VOP_PUTPAGE */ 113*8329232eSGordon Ross kstat_named_t nmap; /* VOP_MAP */ 114*8329232eSGordon Ross kstat_named_t naddmap; /* VOP_ADDMAP */ 115*8329232eSGordon Ross kstat_named_t ndelmap; /* VOP_DELMAP */ 116*8329232eSGordon Ross kstat_named_t npoll; /* VOP_POLL */ 117*8329232eSGordon Ross kstat_named_t ndump; /* VOP_DUMP */ 118*8329232eSGordon Ross kstat_named_t npathconf; /* VOP_PATHCONF */ 119*8329232eSGordon Ross kstat_named_t npageio; /* VOP_PAGEIO */ 120*8329232eSGordon Ross kstat_named_t ndumpctl; /* VOP_DUMPCTL */ 121*8329232eSGordon Ross kstat_named_t ndispose; /* VOP_DISPOSE */ 122*8329232eSGordon Ross kstat_named_t nsetsecattr; /* VOP_SETSECATTR */ 123*8329232eSGordon Ross kstat_named_t ngetsecattr; /* VOP_GETSECATTR */ 124*8329232eSGordon Ross kstat_named_t nshrlock; /* VOP_SHRLOCK */ 125*8329232eSGordon Ross kstat_named_t nvnevent; /* VOP_VNEVENT */ 126*8329232eSGordon Ross kstat_named_t nreqzcbuf; /* VOP_REQZCBUF */ 127*8329232eSGordon Ross kstat_named_t nretzcbuf; /* VOP_RETZCBUF */ 128*8329232eSGordon Ross } vopstats_t; 129*8329232eSGordon Ross #endif // defined(_KERNEL) || defined(_FAKE_KERNEL) 130*8329232eSGordon Ross 131*8329232eSGordon Ross /* 132*8329232eSGordon Ross * The vnode is the focus of all file activity in UNIX. 133*8329232eSGordon Ross * A vnode is allocated for each active file, each current 134*8329232eSGordon Ross * directory, each mounted-on file, and the root. 135*8329232eSGordon Ross * 136*8329232eSGordon Ross * Each vnode is usually associated with a file-system-specific node (for 137*8329232eSGordon Ross * UFS, this is the in-memory inode). Generally, a vnode and an fs-node 138*8329232eSGordon Ross * should be created and destroyed together as a pair. 139*8329232eSGordon Ross * 140*8329232eSGordon Ross * If a vnode is reused for a new file, it should be reinitialized by calling 141*8329232eSGordon Ross * either vn_reinit() or vn_recycle(). 142*8329232eSGordon Ross * 143*8329232eSGordon Ross * vn_reinit() resets the entire vnode as if it was returned by vn_alloc(). 144*8329232eSGordon Ross * The caller is responsible for setting up the entire vnode after calling 145*8329232eSGordon Ross * vn_reinit(). This is important when using kmem caching where the vnode is 146*8329232eSGordon Ross * allocated by a constructor, for instance. 147*8329232eSGordon Ross * 148*8329232eSGordon Ross * vn_recycle() is used when the file system keeps some state around in both 149*8329232eSGordon Ross * the vnode and the associated FS-node. In UFS, for example, the inode of 150*8329232eSGordon Ross * a deleted file can be reused immediately. The v_data, v_vfsp, v_op, etc. 151*8329232eSGordon Ross * remains the same but certain fields related to the previous instance need 152*8329232eSGordon Ross * to be reset. In particular: 153*8329232eSGordon Ross * v_femhead 154*8329232eSGordon Ross * v_path 155*8329232eSGordon Ross * v_rdcnt, v_wrcnt 156*8329232eSGordon Ross * v_mmap_read, v_mmap_write 157*8329232eSGordon Ross */ 158*8329232eSGordon Ross 159*8329232eSGordon Ross /* 160*8329232eSGordon Ross * vnode types. VNON means no type. These values are unrelated to 161*8329232eSGordon Ross * values in on-disk inodes. 162*8329232eSGordon Ross */ 163*8329232eSGordon Ross typedef enum vtype { 164*8329232eSGordon Ross VNON = 0, 165*8329232eSGordon Ross VREG = 1, 166*8329232eSGordon Ross VDIR = 2, 167*8329232eSGordon Ross VBLK = 3, 168*8329232eSGordon Ross VCHR = 4, 169*8329232eSGordon Ross VLNK = 5, 170*8329232eSGordon Ross VFIFO = 6, 171*8329232eSGordon Ross VDOOR = 7, 172*8329232eSGordon Ross VPROC = 8, 173*8329232eSGordon Ross VSOCK = 9, 174*8329232eSGordon Ross VPORT = 10, 175*8329232eSGordon Ross VBAD = 11 176*8329232eSGordon Ross } vtype_t; 177*8329232eSGordon Ross 178*8329232eSGordon Ross #if defined(_KERNEL) || defined(_FAKE_KERNEL) 179*8329232eSGordon Ross 180*8329232eSGordon Ross /* 181*8329232eSGordon Ross * VSD - Vnode Specific Data 182*8329232eSGordon Ross * Used to associate additional private data with a vnode. 183*8329232eSGordon Ross */ 184*8329232eSGordon Ross struct vsd_node { 185*8329232eSGordon Ross list_node_t vs_nodes; /* list of all VSD nodes */ 186*8329232eSGordon Ross uint_t vs_nkeys; /* entries in value array */ 187*8329232eSGordon Ross void **vs_value; /* array of value/key */ 188*8329232eSGordon Ross }; 189*8329232eSGordon Ross 190*8329232eSGordon Ross /* 191*8329232eSGordon Ross * Many of the fields in the vnode are read-only once they are initialized 192*8329232eSGordon Ross * at vnode creation time. Other fields are protected by locks. 193*8329232eSGordon Ross * 194*8329232eSGordon Ross * IMPORTANT: vnodes should be created ONLY by calls to vn_alloc(). They 195*8329232eSGordon Ross * may not be embedded into the file-system specific node (inode). The 196*8329232eSGordon Ross * size of vnodes may change. 197*8329232eSGordon Ross * 198*8329232eSGordon Ross * The v_lock protects: 199*8329232eSGordon Ross * v_flag 200*8329232eSGordon Ross * v_stream 201*8329232eSGordon Ross * v_count 202*8329232eSGordon Ross * v_shrlocks 203*8329232eSGordon Ross * v_path 204*8329232eSGordon Ross * v_vsd 205*8329232eSGordon Ross * v_xattrdir 206*8329232eSGordon Ross * 207*8329232eSGordon Ross * A special lock (implemented by vn_vfswlock in vnode.c) protects: 208*8329232eSGordon Ross * v_vfsmountedhere 209*8329232eSGordon Ross * 210*8329232eSGordon Ross * The global flock_lock mutex (in flock.c) protects: 211*8329232eSGordon Ross * v_filocks 212*8329232eSGordon Ross * 213*8329232eSGordon Ross * IMPORTANT NOTE: 214*8329232eSGordon Ross * 215*8329232eSGordon Ross * The following vnode fields are considered public and may safely be 216*8329232eSGordon Ross * accessed by file systems or other consumers: 217*8329232eSGordon Ross * 218*8329232eSGordon Ross * v_lock 219*8329232eSGordon Ross * v_flag 220*8329232eSGordon Ross * v_count 221*8329232eSGordon Ross * v_data 222*8329232eSGordon Ross * v_vfsp 223*8329232eSGordon Ross * v_stream 224*8329232eSGordon Ross * v_type 225*8329232eSGordon Ross * v_rdev 226*8329232eSGordon Ross * 227*8329232eSGordon Ross * ALL OTHER FIELDS SHOULD BE ACCESSED ONLY BY THE OWNER OF THAT FIELD. 228*8329232eSGordon Ross * In particular, file systems should not access other fields; they may 229*8329232eSGordon Ross * change or even be removed. The functionality which was once provided 230*8329232eSGordon Ross * by these fields is available through vn_* functions. 231*8329232eSGordon Ross */ 232*8329232eSGordon Ross 233*8329232eSGordon Ross struct fem_head; /* from fem.h */ 234*8329232eSGordon Ross 235*8329232eSGordon Ross typedef struct vnode { 236*8329232eSGordon Ross kmutex_t v_lock; /* protects vnode fields */ 237*8329232eSGordon Ross uint_t v_flag; /* vnode flags (see below) */ 238*8329232eSGordon Ross uint_t v_count; /* reference count */ 239*8329232eSGordon Ross void *v_data; /* private data for fs */ 240*8329232eSGordon Ross struct vfs *v_vfsp; /* ptr to containing VFS */ 241*8329232eSGordon Ross struct stdata *v_stream; /* associated stream */ 242*8329232eSGordon Ross enum vtype v_type; /* vnode type */ 243*8329232eSGordon Ross dev_t v_rdev; /* device (VCHR, VBLK) */ 244*8329232eSGordon Ross 245*8329232eSGordon Ross /* PRIVATE FIELDS BELOW - DO NOT USE */ 246*8329232eSGordon Ross 247*8329232eSGordon Ross struct vfs *v_vfsmountedhere; /* ptr to vfs mounted here */ 248*8329232eSGordon Ross struct vnodeops *v_op; /* vnode operations */ 249*8329232eSGordon Ross krwlock_t v_nbllock; /* sync for NBMAND locks */ 250*8329232eSGordon Ross char *v_path; /* cached path */ 251*8329232eSGordon Ross uint_t v_rdcnt; /* open for read count (VREG only) */ 252*8329232eSGordon Ross uint_t v_wrcnt; /* open for write count (VREG only) */ 253*8329232eSGordon Ross struct vnode *v_xattrdir; /* unnamed extended attr dir (GFS) */ 254*8329232eSGordon Ross 255*8329232eSGordon Ross /* Private to the fake vnode impl. */ 256*8329232eSGordon Ross 257*8329232eSGordon Ross int v_fd; 258*8329232eSGordon Ross dev_t v_st_dev; 259*8329232eSGordon Ross ino_t v_st_ino; 260*8329232eSGordon Ross avl_node_t v_avl_node; 261*8329232eSGordon Ross int v_vfsrlocks; 262*8329232eSGordon Ross } vnode_t; 263*8329232eSGordon Ross 264*8329232eSGordon Ross #define IS_DEVVP(vp) \ 265*8329232eSGordon Ross ((vp)->v_type == VCHR || (vp)->v_type == VBLK || (vp)->v_type == VFIFO) 266*8329232eSGordon Ross 267*8329232eSGordon Ross #define VNODE_ALIGN 16 268*8329232eSGordon Ross 269*8329232eSGordon Ross /* 270*8329232eSGordon Ross * vnode flags. 271*8329232eSGordon Ross */ 272*8329232eSGordon Ross #define VROOT 0x01 /* root of its file system */ 273*8329232eSGordon Ross #define VNOCACHE 0x02 /* don't keep cache pages on vnode */ 274*8329232eSGordon Ross #define VNOMAP 0x04 /* file cannot be mapped/faulted */ 275*8329232eSGordon Ross #define VDUP 0x08 /* file should be dup'ed rather then opened */ 276*8329232eSGordon Ross #define VNOSWAP 0x10 /* file cannot be used as virtual swap device */ 277*8329232eSGordon Ross #define VNOMOUNT 0x20 /* file cannot be covered by mount */ 278*8329232eSGordon Ross #define VISSWAP 0x40 /* vnode is being used for swap */ 279*8329232eSGordon Ross #define VSWAPLIKE 0x80 /* vnode acts like swap (but may not be) */ 280*8329232eSGordon Ross 281*8329232eSGordon Ross #define IS_SWAPVP(vp) (((vp)->v_flag & (VISSWAP | VSWAPLIKE)) != 0) 282*8329232eSGordon Ross 283*8329232eSGordon Ross #else // defined(_KERNEL) || defined(_FAKE_KERNEL) 284*8329232eSGordon Ross typedef struct vnode vnode_t; 285*8329232eSGordon Ross #endif // defined(_KERNEL) || defined(_FAKE_KERNEL) 286*8329232eSGordon Ross 287*8329232eSGordon Ross #if defined(_KERNEL) 288*8329232eSGordon Ross typedef struct vn_vfslocks_entry { 289*8329232eSGordon Ross rwstlock_t ve_lock; 290*8329232eSGordon Ross void *ve_vpvfs; 291*8329232eSGordon Ross struct vn_vfslocks_entry *ve_next; 292*8329232eSGordon Ross uint32_t ve_refcnt; 293*8329232eSGordon Ross char pad[64 - sizeof (rwstlock_t) - 2 * sizeof (void *) - \ 294*8329232eSGordon Ross sizeof (uint32_t)]; 295*8329232eSGordon Ross } vn_vfslocks_entry_t; 296*8329232eSGordon Ross #endif /* _KERNEL */ 297*8329232eSGordon Ross 298*8329232eSGordon Ross /* 299*8329232eSGordon Ross * The following two flags are used to lock the v_vfsmountedhere field 300*8329232eSGordon Ross */ 301*8329232eSGordon Ross #define VVFSLOCK 0x100 302*8329232eSGordon Ross #define VVFSWAIT 0x200 303*8329232eSGordon Ross 304*8329232eSGordon Ross /* 305*8329232eSGordon Ross * Used to serialize VM operations on a vnode 306*8329232eSGordon Ross */ 307*8329232eSGordon Ross #define VVMLOCK 0x400 308*8329232eSGordon Ross 309*8329232eSGordon Ross /* 310*8329232eSGordon Ross * Tell vn_open() not to fail a directory open for writing but 311*8329232eSGordon Ross * to go ahead and call VOP_OPEN() to let the filesystem check. 312*8329232eSGordon Ross */ 313*8329232eSGordon Ross #define VDIROPEN 0x800 314*8329232eSGordon Ross 315*8329232eSGordon Ross /* 316*8329232eSGordon Ross * Flag to let the VM system know that this file is most likely a binary 317*8329232eSGordon Ross * or shared library since it has been mmap()ed EXEC at some time. 318*8329232eSGordon Ross */ 319*8329232eSGordon Ross #define VVMEXEC 0x1000 320*8329232eSGordon Ross 321*8329232eSGordon Ross #define VPXFS 0x2000 /* clustering: global fs proxy vnode */ 322*8329232eSGordon Ross 323*8329232eSGordon Ross #define IS_PXFSVP(vp) ((vp)->v_flag & VPXFS) 324*8329232eSGordon Ross 325*8329232eSGordon Ross #define V_XATTRDIR 0x4000 /* attribute unnamed directory */ 326*8329232eSGordon Ross 327*8329232eSGordon Ross #define IS_XATTRDIR(vp) ((vp)->v_flag & V_XATTRDIR) 328*8329232eSGordon Ross 329*8329232eSGordon Ross #define V_LOCALITY 0x8000 /* whether locality aware */ 330*8329232eSGordon Ross 331*8329232eSGordon Ross /* 332*8329232eSGordon Ross * Flag that indicates the VM should maintain the v_pages list with all modified 333*8329232eSGordon Ross * pages on one end and unmodified pages at the other. This makes finding dirty 334*8329232eSGordon Ross * pages to write back to disk much faster at the expense of taking a minor 335*8329232eSGordon Ross * fault on the first store instruction which touches a writable page. 336*8329232eSGordon Ross */ 337*8329232eSGordon Ross #define VMODSORT (0x10000) 338*8329232eSGordon Ross #define IS_VMODSORT(vp) \ 339*8329232eSGordon Ross (pvn_vmodsort_supported != 0 && ((vp)->v_flag & VMODSORT) != 0) 340*8329232eSGordon Ross 341*8329232eSGordon Ross #define VISSWAPFS 0x20000 /* vnode is being used for swapfs */ 342*8329232eSGordon Ross 343*8329232eSGordon Ross /* 344*8329232eSGordon Ross * The mdb memstat command assumes that IS_SWAPFSVP only uses the 345*8329232eSGordon Ross * vnode's v_flag field. If this changes, cache the additional 346*8329232eSGordon Ross * fields in mdb; see vn_get in mdb/common/modules/genunix/memory.c 347*8329232eSGordon Ross */ 348*8329232eSGordon Ross #define IS_SWAPFSVP(vp) (((vp)->v_flag & VISSWAPFS) != 0) 349*8329232eSGordon Ross 350*8329232eSGordon Ross #define V_SYSATTR 0x40000 /* vnode is a GFS system attribute */ 351*8329232eSGordon Ross 352*8329232eSGordon Ross /* 353*8329232eSGordon Ross * Vnode attributes. A bit-mask is supplied as part of the 354*8329232eSGordon Ross * structure to indicate the attributes the caller wants to 355*8329232eSGordon Ross * set (setattr) or extract (getattr). 356*8329232eSGordon Ross */ 357*8329232eSGordon Ross 358*8329232eSGordon Ross /* 359*8329232eSGordon Ross * Note that va_nodeid and va_nblocks are 64bit data type. 360*8329232eSGordon Ross * We support large files over NFSV3. With Solaris client and 361*8329232eSGordon Ross * Server that generates 64bit ino's and sizes these fields 362*8329232eSGordon Ross * will overflow if they are 32 bit sizes. 363*8329232eSGordon Ross */ 364*8329232eSGordon Ross 365*8329232eSGordon Ross typedef struct vattr { 366*8329232eSGordon Ross uint_t va_mask; /* bit-mask of attributes */ 367*8329232eSGordon Ross vtype_t va_type; /* vnode type (for create) */ 368*8329232eSGordon Ross mode_t va_mode; /* file access mode */ 369*8329232eSGordon Ross uid_t va_uid; /* owner user id */ 370*8329232eSGordon Ross gid_t va_gid; /* owner group id */ 371*8329232eSGordon Ross dev_t va_fsid; /* file system id (dev for now) */ 372*8329232eSGordon Ross u_longlong_t va_nodeid; /* node id */ 373*8329232eSGordon Ross nlink_t va_nlink; /* number of references to file */ 374*8329232eSGordon Ross u_offset_t va_size; /* file size in bytes */ 375*8329232eSGordon Ross timestruc_t va_atime; /* time of last access */ 376*8329232eSGordon Ross timestruc_t va_mtime; /* time of last modification */ 377*8329232eSGordon Ross timestruc_t va_ctime; /* time of last status change */ 378*8329232eSGordon Ross dev_t va_rdev; /* device the file represents */ 379*8329232eSGordon Ross uint_t va_blksize; /* fundamental block size */ 380*8329232eSGordon Ross u_longlong_t va_nblocks; /* # of blocks allocated */ 381*8329232eSGordon Ross uint_t va_seq; /* sequence number */ 382*8329232eSGordon Ross } vattr_t; 383*8329232eSGordon Ross 384*8329232eSGordon Ross #define AV_SCANSTAMP_SZ 32 /* length of anti-virus scanstamp */ 385*8329232eSGordon Ross 386*8329232eSGordon Ross /* 387*8329232eSGordon Ross * Structure of all optional attributes. 388*8329232eSGordon Ross */ 389*8329232eSGordon Ross typedef struct xoptattr { 390*8329232eSGordon Ross timestruc_t xoa_createtime; /* Create time of file */ 391*8329232eSGordon Ross uint8_t xoa_archive; 392*8329232eSGordon Ross uint8_t xoa_system; 393*8329232eSGordon Ross uint8_t xoa_readonly; 394*8329232eSGordon Ross uint8_t xoa_hidden; 395*8329232eSGordon Ross uint8_t xoa_nounlink; 396*8329232eSGordon Ross uint8_t xoa_immutable; 397*8329232eSGordon Ross uint8_t xoa_appendonly; 398*8329232eSGordon Ross uint8_t xoa_nodump; 399*8329232eSGordon Ross uint8_t xoa_opaque; 400*8329232eSGordon Ross uint8_t xoa_av_quarantined; 401*8329232eSGordon Ross uint8_t xoa_av_modified; 402*8329232eSGordon Ross uint8_t xoa_av_scanstamp[AV_SCANSTAMP_SZ]; 403*8329232eSGordon Ross uint8_t xoa_reparse; 404*8329232eSGordon Ross uint64_t xoa_generation; 405*8329232eSGordon Ross uint8_t xoa_offline; 406*8329232eSGordon Ross uint8_t xoa_sparse; 407*8329232eSGordon Ross } xoptattr_t; 408*8329232eSGordon Ross 409*8329232eSGordon Ross /* 410*8329232eSGordon Ross * The xvattr structure is really a variable length structure that 411*8329232eSGordon Ross * is made up of: 412*8329232eSGordon Ross * - The classic vattr_t (xva_vattr) 413*8329232eSGordon Ross * - a 32 bit quantity (xva_mapsize) that specifies the size of the 414*8329232eSGordon Ross * attribute bitmaps in 32 bit words. 415*8329232eSGordon Ross * - A pointer to the returned attribute bitmap (needed because the 416*8329232eSGordon Ross * previous element, the requested attribute bitmap) is variable lenth. 417*8329232eSGordon Ross * - The requested attribute bitmap, which is an array of 32 bit words. 418*8329232eSGordon Ross * Callers use the XVA_SET_REQ() macro to set the bits corresponding to 419*8329232eSGordon Ross * the attributes that are being requested. 420*8329232eSGordon Ross * - The returned attribute bitmap, which is an array of 32 bit words. 421*8329232eSGordon Ross * File systems that support optional attributes use the XVA_SET_RTN() 422*8329232eSGordon Ross * macro to set the bits corresponding to the attributes that are being 423*8329232eSGordon Ross * returned. 424*8329232eSGordon Ross * - The xoptattr_t structure which contains the attribute values 425*8329232eSGordon Ross * 426*8329232eSGordon Ross * xva_mapsize determines how many words in the attribute bitmaps. 427*8329232eSGordon Ross * Immediately following the attribute bitmaps is the xoptattr_t. 428*8329232eSGordon Ross * xva_getxoptattr() is used to get the pointer to the xoptattr_t 429*8329232eSGordon Ross * section. 430*8329232eSGordon Ross */ 431*8329232eSGordon Ross 432*8329232eSGordon Ross #define XVA_MAPSIZE 3 /* Size of attr bitmaps */ 433*8329232eSGordon Ross #define XVA_MAGIC 0x78766174 /* Magic # for verification */ 434*8329232eSGordon Ross 435*8329232eSGordon Ross /* 436*8329232eSGordon Ross * The xvattr structure is an extensible structure which permits optional 437*8329232eSGordon Ross * attributes to be requested/returned. File systems may or may not support 438*8329232eSGordon Ross * optional attributes. They do so at their own discretion but if they do 439*8329232eSGordon Ross * support optional attributes, they must register the VFSFT_XVATTR feature 440*8329232eSGordon Ross * so that the optional attributes can be set/retrived. 441*8329232eSGordon Ross * 442*8329232eSGordon Ross * The fields of the xvattr structure are: 443*8329232eSGordon Ross * 444*8329232eSGordon Ross * xva_vattr - The first element of an xvattr is a legacy vattr structure 445*8329232eSGordon Ross * which includes the common attributes. If AT_XVATTR is set in the va_mask 446*8329232eSGordon Ross * then the entire structure is treated as an xvattr. If AT_XVATTR is not 447*8329232eSGordon Ross * set, then only the xva_vattr structure can be used. 448*8329232eSGordon Ross * 449*8329232eSGordon Ross * xva_magic - 0x78766174 (hex for "xvat"). Magic number for verification. 450*8329232eSGordon Ross * 451*8329232eSGordon Ross * xva_mapsize - Size of requested and returned attribute bitmaps. 452*8329232eSGordon Ross * 453*8329232eSGordon Ross * xva_rtnattrmapp - Pointer to xva_rtnattrmap[]. We need this since the 454*8329232eSGordon Ross * size of the array before it, xva_reqattrmap[], could change which means 455*8329232eSGordon Ross * the location of xva_rtnattrmap[] could change. This will allow unbundled 456*8329232eSGordon Ross * file systems to find the location of xva_rtnattrmap[] when the sizes change. 457*8329232eSGordon Ross * 458*8329232eSGordon Ross * xva_reqattrmap[] - Array of requested attributes. Attributes are 459*8329232eSGordon Ross * represented by a specific bit in a specific element of the attribute 460*8329232eSGordon Ross * map array. Callers set the bits corresponding to the attributes 461*8329232eSGordon Ross * that the caller wants to get/set. 462*8329232eSGordon Ross * 463*8329232eSGordon Ross * xva_rtnattrmap[] - Array of attributes that the file system was able to 464*8329232eSGordon Ross * process. Not all file systems support all optional attributes. This map 465*8329232eSGordon Ross * informs the caller which attributes the underlying file system was able 466*8329232eSGordon Ross * to set/get. (Same structure as the requested attributes array in terms 467*8329232eSGordon Ross * of each attribute corresponding to specific bits and array elements.) 468*8329232eSGordon Ross * 469*8329232eSGordon Ross * xva_xoptattrs - Structure containing values of optional attributes. 470*8329232eSGordon Ross * These values are only valid if the corresponding bits in xva_reqattrmap 471*8329232eSGordon Ross * are set and the underlying file system supports those attributes. 472*8329232eSGordon Ross */ 473*8329232eSGordon Ross typedef struct xvattr { 474*8329232eSGordon Ross vattr_t xva_vattr; /* Embedded vattr structure */ 475*8329232eSGordon Ross uint32_t xva_magic; /* Magic Number */ 476*8329232eSGordon Ross uint32_t xva_mapsize; /* Size of attr bitmap (32-bit words) */ 477*8329232eSGordon Ross uint32_t *xva_rtnattrmapp; /* Ptr to xva_rtnattrmap[] */ 478*8329232eSGordon Ross uint32_t xva_reqattrmap[XVA_MAPSIZE]; /* Requested attrs */ 479*8329232eSGordon Ross uint32_t xva_rtnattrmap[XVA_MAPSIZE]; /* Returned attrs */ 480*8329232eSGordon Ross xoptattr_t xva_xoptattrs; /* Optional attributes */ 481*8329232eSGordon Ross } xvattr_t; 482*8329232eSGordon Ross 483*8329232eSGordon Ross #ifdef _SYSCALL32 484*8329232eSGordon Ross /* 485*8329232eSGordon Ross * For bigtypes time_t changed to 64 bit on the 64-bit kernel. 486*8329232eSGordon Ross * Define an old version for user/kernel interface 487*8329232eSGordon Ross */ 488*8329232eSGordon Ross 489*8329232eSGordon Ross #if _LONG_LONG_ALIGNMENT == 8 && _LONG_LONG_ALIGNMENT_32 == 4 490*8329232eSGordon Ross #pragma pack(4) 491*8329232eSGordon Ross #endif 492*8329232eSGordon Ross 493*8329232eSGordon Ross typedef struct vattr32 { 494*8329232eSGordon Ross uint32_t va_mask; /* bit-mask of attributes */ 495*8329232eSGordon Ross vtype_t va_type; /* vnode type (for create) */ 496*8329232eSGordon Ross mode32_t va_mode; /* file access mode */ 497*8329232eSGordon Ross uid32_t va_uid; /* owner user id */ 498*8329232eSGordon Ross gid32_t va_gid; /* owner group id */ 499*8329232eSGordon Ross dev32_t va_fsid; /* file system id (dev for now) */ 500*8329232eSGordon Ross u_longlong_t va_nodeid; /* node id */ 501*8329232eSGordon Ross nlink_t va_nlink; /* number of references to file */ 502*8329232eSGordon Ross u_offset_t va_size; /* file size in bytes */ 503*8329232eSGordon Ross timestruc32_t va_atime; /* time of last access */ 504*8329232eSGordon Ross timestruc32_t va_mtime; /* time of last modification */ 505*8329232eSGordon Ross timestruc32_t va_ctime; /* time of last status change */ 506*8329232eSGordon Ross dev32_t va_rdev; /* device the file represents */ 507*8329232eSGordon Ross uint32_t va_blksize; /* fundamental block size */ 508*8329232eSGordon Ross u_longlong_t va_nblocks; /* # of blocks allocated */ 509*8329232eSGordon Ross uint32_t va_seq; /* sequence number */ 510*8329232eSGordon Ross } vattr32_t; 511*8329232eSGordon Ross 512*8329232eSGordon Ross #if _LONG_LONG_ALIGNMENT == 8 && _LONG_LONG_ALIGNMENT_32 == 4 513*8329232eSGordon Ross #pragma pack() 514*8329232eSGordon Ross #endif 515*8329232eSGordon Ross 516*8329232eSGordon Ross #else /* not _SYSCALL32 */ 517*8329232eSGordon Ross #define vattr32 vattr 518*8329232eSGordon Ross typedef vattr_t vattr32_t; 519*8329232eSGordon Ross #endif /* _SYSCALL32 */ 520*8329232eSGordon Ross 521*8329232eSGordon Ross /* 522*8329232eSGordon Ross * Attributes of interest to the caller of setattr or getattr. 523*8329232eSGordon Ross */ 524*8329232eSGordon Ross #define AT_TYPE 0x00001 525*8329232eSGordon Ross #define AT_MODE 0x00002 526*8329232eSGordon Ross #define AT_UID 0x00004 527*8329232eSGordon Ross #define AT_GID 0x00008 528*8329232eSGordon Ross #define AT_FSID 0x00010 529*8329232eSGordon Ross #define AT_NODEID 0x00020 530*8329232eSGordon Ross #define AT_NLINK 0x00040 531*8329232eSGordon Ross #define AT_SIZE 0x00080 532*8329232eSGordon Ross #define AT_ATIME 0x00100 533*8329232eSGordon Ross #define AT_MTIME 0x00200 534*8329232eSGordon Ross #define AT_CTIME 0x00400 535*8329232eSGordon Ross #define AT_RDEV 0x00800 536*8329232eSGordon Ross #define AT_BLKSIZE 0x01000 537*8329232eSGordon Ross #define AT_NBLOCKS 0x02000 538*8329232eSGordon Ross /* 0x04000 */ /* unused */ 539*8329232eSGordon Ross #define AT_SEQ 0x08000 540*8329232eSGordon Ross /* 541*8329232eSGordon Ross * If AT_XVATTR is set then there are additional bits to process in 542*8329232eSGordon Ross * the xvattr_t's attribute bitmap. If this is not set then the bitmap 543*8329232eSGordon Ross * MUST be ignored. Note that this bit must be set/cleared explicitly. 544*8329232eSGordon Ross * That is, setting AT_ALL will NOT set AT_XVATTR. 545*8329232eSGordon Ross */ 546*8329232eSGordon Ross #define AT_XVATTR 0x10000 547*8329232eSGordon Ross 548*8329232eSGordon Ross #define AT_ALL (AT_TYPE|AT_MODE|AT_UID|AT_GID|AT_FSID|AT_NODEID|\ 549*8329232eSGordon Ross AT_NLINK|AT_SIZE|AT_ATIME|AT_MTIME|AT_CTIME|\ 550*8329232eSGordon Ross AT_RDEV|AT_BLKSIZE|AT_NBLOCKS|AT_SEQ) 551*8329232eSGordon Ross 552*8329232eSGordon Ross #define AT_STAT (AT_MODE|AT_UID|AT_GID|AT_FSID|AT_NODEID|AT_NLINK|\ 553*8329232eSGordon Ross AT_SIZE|AT_ATIME|AT_MTIME|AT_CTIME|AT_RDEV|AT_TYPE) 554*8329232eSGordon Ross 555*8329232eSGordon Ross #define AT_TIMES (AT_ATIME|AT_MTIME|AT_CTIME) 556*8329232eSGordon Ross 557*8329232eSGordon Ross #define AT_NOSET (AT_NLINK|AT_RDEV|AT_FSID|AT_NODEID|AT_TYPE|\ 558*8329232eSGordon Ross AT_BLKSIZE|AT_NBLOCKS|AT_SEQ) 559*8329232eSGordon Ross 560*8329232eSGordon Ross /* 561*8329232eSGordon Ross * Attribute bits used in the extensible attribute's (xva's) attribute 562*8329232eSGordon Ross * bitmaps. Note that the bitmaps are made up of a variable length number 563*8329232eSGordon Ross * of 32-bit words. The convention is to use XAT{n}_{attrname} where "n" 564*8329232eSGordon Ross * is the element in the bitmap (starting at 1). This convention is for 565*8329232eSGordon Ross * the convenience of the maintainer to keep track of which element each 566*8329232eSGordon Ross * attribute belongs to. 567*8329232eSGordon Ross * 568*8329232eSGordon Ross * NOTE THAT CONSUMERS MUST *NOT* USE THE XATn_* DEFINES DIRECTLY. CONSUMERS 569*8329232eSGordon Ross * MUST USE THE XAT_* DEFINES. 570*8329232eSGordon Ross */ 571*8329232eSGordon Ross #define XAT0_INDEX 0LL /* Index into bitmap for XAT0 attrs */ 572*8329232eSGordon Ross #define XAT0_CREATETIME 0x00000001 /* Create time of file */ 573*8329232eSGordon Ross #define XAT0_ARCHIVE 0x00000002 /* Archive */ 574*8329232eSGordon Ross #define XAT0_SYSTEM 0x00000004 /* System */ 575*8329232eSGordon Ross #define XAT0_READONLY 0x00000008 /* Readonly */ 576*8329232eSGordon Ross #define XAT0_HIDDEN 0x00000010 /* Hidden */ 577*8329232eSGordon Ross #define XAT0_NOUNLINK 0x00000020 /* Nounlink */ 578*8329232eSGordon Ross #define XAT0_IMMUTABLE 0x00000040 /* immutable */ 579*8329232eSGordon Ross #define XAT0_APPENDONLY 0x00000080 /* appendonly */ 580*8329232eSGordon Ross #define XAT0_NODUMP 0x00000100 /* nodump */ 581*8329232eSGordon Ross #define XAT0_OPAQUE 0x00000200 /* opaque */ 582*8329232eSGordon Ross #define XAT0_AV_QUARANTINED 0x00000400 /* anti-virus quarantine */ 583*8329232eSGordon Ross #define XAT0_AV_MODIFIED 0x00000800 /* anti-virus modified */ 584*8329232eSGordon Ross #define XAT0_AV_SCANSTAMP 0x00001000 /* anti-virus scanstamp */ 585*8329232eSGordon Ross #define XAT0_REPARSE 0x00002000 /* FS reparse point */ 586*8329232eSGordon Ross #define XAT0_GEN 0x00004000 /* object generation number */ 587*8329232eSGordon Ross #define XAT0_OFFLINE 0x00008000 /* offline */ 588*8329232eSGordon Ross #define XAT0_SPARSE 0x00010000 /* sparse */ 589*8329232eSGordon Ross 590*8329232eSGordon Ross #define XAT0_ALL_ATTRS (XAT0_CREATETIME|XAT0_ARCHIVE|XAT0_SYSTEM| \ 591*8329232eSGordon Ross XAT0_READONLY|XAT0_HIDDEN|XAT0_NOUNLINK|XAT0_IMMUTABLE|XAT0_APPENDONLY| \ 592*8329232eSGordon Ross XAT0_NODUMP|XAT0_OPAQUE|XAT0_AV_QUARANTINED| XAT0_AV_MODIFIED| \ 593*8329232eSGordon Ross XAT0_AV_SCANSTAMP|XAT0_REPARSE|XATO_GEN|XAT0_OFFLINE|XAT0_SPARSE) 594*8329232eSGordon Ross 595*8329232eSGordon Ross /* Support for XAT_* optional attributes */ 596*8329232eSGordon Ross #define XVA_MASK 0xffffffff /* Used to mask off 32 bits */ 597*8329232eSGordon Ross #define XVA_SHFT 32 /* Used to shift index */ 598*8329232eSGordon Ross 599*8329232eSGordon Ross /* 600*8329232eSGordon Ross * Used to pry out the index and attribute bits from the XAT_* attributes 601*8329232eSGordon Ross * defined below. Note that we're masking things down to 32 bits then 602*8329232eSGordon Ross * casting to uint32_t. 603*8329232eSGordon Ross */ 604*8329232eSGordon Ross #define XVA_INDEX(attr) ((uint32_t)(((attr) >> XVA_SHFT) & XVA_MASK)) 605*8329232eSGordon Ross #define XVA_ATTRBIT(attr) ((uint32_t)((attr) & XVA_MASK)) 606*8329232eSGordon Ross 607*8329232eSGordon Ross /* 608*8329232eSGordon Ross * The following defines present a "flat namespace" so that consumers don't 609*8329232eSGordon Ross * need to keep track of which element belongs to which bitmap entry. 610*8329232eSGordon Ross * 611*8329232eSGordon Ross * NOTE THAT THESE MUST NEVER BE OR-ed TOGETHER 612*8329232eSGordon Ross */ 613*8329232eSGordon Ross #define XAT_CREATETIME ((XAT0_INDEX << XVA_SHFT) | XAT0_CREATETIME) 614*8329232eSGordon Ross #define XAT_ARCHIVE ((XAT0_INDEX << XVA_SHFT) | XAT0_ARCHIVE) 615*8329232eSGordon Ross #define XAT_SYSTEM ((XAT0_INDEX << XVA_SHFT) | XAT0_SYSTEM) 616*8329232eSGordon Ross #define XAT_READONLY ((XAT0_INDEX << XVA_SHFT) | XAT0_READONLY) 617*8329232eSGordon Ross #define XAT_HIDDEN ((XAT0_INDEX << XVA_SHFT) | XAT0_HIDDEN) 618*8329232eSGordon Ross #define XAT_NOUNLINK ((XAT0_INDEX << XVA_SHFT) | XAT0_NOUNLINK) 619*8329232eSGordon Ross #define XAT_IMMUTABLE ((XAT0_INDEX << XVA_SHFT) | XAT0_IMMUTABLE) 620*8329232eSGordon Ross #define XAT_APPENDONLY ((XAT0_INDEX << XVA_SHFT) | XAT0_APPENDONLY) 621*8329232eSGordon Ross #define XAT_NODUMP ((XAT0_INDEX << XVA_SHFT) | XAT0_NODUMP) 622*8329232eSGordon Ross #define XAT_OPAQUE ((XAT0_INDEX << XVA_SHFT) | XAT0_OPAQUE) 623*8329232eSGordon Ross #define XAT_AV_QUARANTINED ((XAT0_INDEX << XVA_SHFT) | XAT0_AV_QUARANTINED) 624*8329232eSGordon Ross #define XAT_AV_MODIFIED ((XAT0_INDEX << XVA_SHFT) | XAT0_AV_MODIFIED) 625*8329232eSGordon Ross #define XAT_AV_SCANSTAMP ((XAT0_INDEX << XVA_SHFT) | XAT0_AV_SCANSTAMP) 626*8329232eSGordon Ross #define XAT_REPARSE ((XAT0_INDEX << XVA_SHFT) | XAT0_REPARSE) 627*8329232eSGordon Ross #define XAT_GEN ((XAT0_INDEX << XVA_SHFT) | XAT0_GEN) 628*8329232eSGordon Ross #define XAT_OFFLINE ((XAT0_INDEX << XVA_SHFT) | XAT0_OFFLINE) 629*8329232eSGordon Ross #define XAT_SPARSE ((XAT0_INDEX << XVA_SHFT) | XAT0_SPARSE) 630*8329232eSGordon Ross 631*8329232eSGordon Ross /* 632*8329232eSGordon Ross * The returned attribute map array (xva_rtnattrmap[]) is located past the 633*8329232eSGordon Ross * requested attribute map array (xva_reqattrmap[]). Its location changes 634*8329232eSGordon Ross * when the array sizes change. We use a separate pointer in a known location 635*8329232eSGordon Ross * (xva_rtnattrmapp) to hold the location of xva_rtnattrmap[]. This is 636*8329232eSGordon Ross * set in xva_init() 637*8329232eSGordon Ross */ 638*8329232eSGordon Ross #define XVA_RTNATTRMAP(xvap) ((xvap)->xva_rtnattrmapp) 639*8329232eSGordon Ross 640*8329232eSGordon Ross /* 641*8329232eSGordon Ross * XVA_SET_REQ() sets an attribute bit in the proper element in the bitmap 642*8329232eSGordon Ross * of requested attributes (xva_reqattrmap[]). 643*8329232eSGordon Ross */ 644*8329232eSGordon Ross #define XVA_SET_REQ(xvap, attr) \ 645*8329232eSGordon Ross ASSERT((xvap)->xva_vattr.va_mask | AT_XVATTR); \ 646*8329232eSGordon Ross ASSERT((xvap)->xva_magic == XVA_MAGIC); \ 647*8329232eSGordon Ross (xvap)->xva_reqattrmap[XVA_INDEX(attr)] |= XVA_ATTRBIT(attr) 648*8329232eSGordon Ross /* 649*8329232eSGordon Ross * XVA_CLR_REQ() clears an attribute bit in the proper element in the bitmap 650*8329232eSGordon Ross * of requested attributes (xva_reqattrmap[]). 651*8329232eSGordon Ross */ 652*8329232eSGordon Ross #define XVA_CLR_REQ(xvap, attr) \ 653*8329232eSGordon Ross ASSERT((xvap)->xva_vattr.va_mask | AT_XVATTR); \ 654*8329232eSGordon Ross ASSERT((xvap)->xva_magic == XVA_MAGIC); \ 655*8329232eSGordon Ross (xvap)->xva_reqattrmap[XVA_INDEX(attr)] &= ~XVA_ATTRBIT(attr) 656*8329232eSGordon Ross 657*8329232eSGordon Ross /* 658*8329232eSGordon Ross * XVA_SET_RTN() sets an attribute bit in the proper element in the bitmap 659*8329232eSGordon Ross * of returned attributes (xva_rtnattrmap[]). 660*8329232eSGordon Ross */ 661*8329232eSGordon Ross #define XVA_SET_RTN(xvap, attr) \ 662*8329232eSGordon Ross ASSERT((xvap)->xva_vattr.va_mask | AT_XVATTR); \ 663*8329232eSGordon Ross ASSERT((xvap)->xva_magic == XVA_MAGIC); \ 664*8329232eSGordon Ross (XVA_RTNATTRMAP(xvap))[XVA_INDEX(attr)] |= XVA_ATTRBIT(attr) 665*8329232eSGordon Ross 666*8329232eSGordon Ross /* 667*8329232eSGordon Ross * XVA_ISSET_REQ() checks the requested attribute bitmap (xva_reqattrmap[]) 668*8329232eSGordon Ross * to see of the corresponding attribute bit is set. If so, returns non-zero. 669*8329232eSGordon Ross */ 670*8329232eSGordon Ross #define XVA_ISSET_REQ(xvap, attr) \ 671*8329232eSGordon Ross ((((xvap)->xva_vattr.va_mask | AT_XVATTR) && \ 672*8329232eSGordon Ross ((xvap)->xva_magic == XVA_MAGIC) && \ 673*8329232eSGordon Ross ((xvap)->xva_mapsize > XVA_INDEX(attr))) ? \ 674*8329232eSGordon Ross ((xvap)->xva_reqattrmap[XVA_INDEX(attr)] & XVA_ATTRBIT(attr)) : 0) 675*8329232eSGordon Ross 676*8329232eSGordon Ross /* 677*8329232eSGordon Ross * XVA_ISSET_RTN() checks the returned attribute bitmap (xva_rtnattrmap[]) 678*8329232eSGordon Ross * to see of the corresponding attribute bit is set. If so, returns non-zero. 679*8329232eSGordon Ross */ 680*8329232eSGordon Ross #define XVA_ISSET_RTN(xvap, attr) \ 681*8329232eSGordon Ross ((((xvap)->xva_vattr.va_mask | AT_XVATTR) && \ 682*8329232eSGordon Ross ((xvap)->xva_magic == XVA_MAGIC) && \ 683*8329232eSGordon Ross ((xvap)->xva_mapsize > XVA_INDEX(attr))) ? \ 684*8329232eSGordon Ross ((XVA_RTNATTRMAP(xvap))[XVA_INDEX(attr)] & XVA_ATTRBIT(attr)) : 0) 685*8329232eSGordon Ross 686*8329232eSGordon Ross /* 687*8329232eSGordon Ross * Modes. Some values same as S_xxx entries from stat.h for convenience. 688*8329232eSGordon Ross */ 689*8329232eSGordon Ross #define VSUID 04000 /* set user id on execution */ 690*8329232eSGordon Ross #define VSGID 02000 /* set group id on execution */ 691*8329232eSGordon Ross #define VSVTX 01000 /* save swapped text even after use */ 692*8329232eSGordon Ross 693*8329232eSGordon Ross /* 694*8329232eSGordon Ross * Permissions. 695*8329232eSGordon Ross */ 696*8329232eSGordon Ross #define VREAD 00400 697*8329232eSGordon Ross #define VWRITE 00200 698*8329232eSGordon Ross #define VEXEC 00100 699*8329232eSGordon Ross 700*8329232eSGordon Ross #define MODEMASK 07777 /* mode bits plus permission bits */ 701*8329232eSGordon Ross #define PERMMASK 00777 /* permission bits */ 702*8329232eSGordon Ross 703*8329232eSGordon Ross /* 704*8329232eSGordon Ross * VOP_ACCESS flags 705*8329232eSGordon Ross */ 706*8329232eSGordon Ross #define V_ACE_MASK 0x1 /* mask represents NFSv4 ACE permissions */ 707*8329232eSGordon Ross #define V_APPEND 0x2 /* want to do append only check */ 708*8329232eSGordon Ross 709*8329232eSGordon Ross /* 710*8329232eSGordon Ross * Check whether mandatory file locking is enabled. 711*8329232eSGordon Ross */ 712*8329232eSGordon Ross 713*8329232eSGordon Ross #define MANDMODE(mode) (((mode) & (VSGID|(VEXEC>>3))) == VSGID) 714*8329232eSGordon Ross #define MANDLOCK(vp, mode) ((vp)->v_type == VREG && MANDMODE(mode)) 715*8329232eSGordon Ross 716*8329232eSGordon Ross /* 717*8329232eSGordon Ross * Flags for vnode operations. 718*8329232eSGordon Ross */ 719*8329232eSGordon Ross enum rm { RMFILE, RMDIRECTORY }; /* rm or rmdir (remove) */ 720*8329232eSGordon Ross enum symfollow { NO_FOLLOW, FOLLOW }; /* follow symlinks (or not) */ 721*8329232eSGordon Ross enum vcexcl { NONEXCL, EXCL }; /* (non)excl create */ 722*8329232eSGordon Ross enum create { CRCREAT, CRMKNOD, CRMKDIR }; /* reason for create */ 723*8329232eSGordon Ross 724*8329232eSGordon Ross typedef enum rm rm_t; 725*8329232eSGordon Ross typedef enum symfollow symfollow_t; 726*8329232eSGordon Ross typedef enum vcexcl vcexcl_t; 727*8329232eSGordon Ross typedef enum create create_t; 728*8329232eSGordon Ross 729*8329232eSGordon Ross /* Vnode Events - Used by VOP_VNEVENT */ 730*8329232eSGordon Ross typedef enum vnevent { 731*8329232eSGordon Ross VE_SUPPORT = 0, /* Query */ 732*8329232eSGordon Ross VE_RENAME_SRC = 1, /* Rename, with vnode as source */ 733*8329232eSGordon Ross VE_RENAME_DEST = 2, /* Rename, with vnode as target/destination */ 734*8329232eSGordon Ross VE_REMOVE = 3, /* Remove of vnode's name */ 735*8329232eSGordon Ross VE_RMDIR = 4, /* Remove of directory vnode's name */ 736*8329232eSGordon Ross VE_CREATE = 5, /* Create with vnode's name which exists */ 737*8329232eSGordon Ross VE_LINK = 6, /* Link with vnode's name as source */ 738*8329232eSGordon Ross VE_RENAME_DEST_DIR = 7, /* Rename with vnode as target dir */ 739*8329232eSGordon Ross VE_MOUNTEDOVER = 8, /* File or Filesystem got mounted over vnode */ 740*8329232eSGordon Ross VE_TRUNCATE = 9 /* Truncate */ 741*8329232eSGordon Ross } vnevent_t; 742*8329232eSGordon Ross 743*8329232eSGordon Ross /* 744*8329232eSGordon Ross * Values for checking vnode open and map counts 745*8329232eSGordon Ross */ 746*8329232eSGordon Ross enum v_mode { V_READ, V_WRITE, V_RDORWR, V_RDANDWR }; 747*8329232eSGordon Ross 748*8329232eSGordon Ross typedef enum v_mode v_mode_t; 749*8329232eSGordon Ross 750*8329232eSGordon Ross #define V_TRUE 1 751*8329232eSGordon Ross #define V_FALSE 0 752*8329232eSGordon Ross 753*8329232eSGordon Ross /* 754*8329232eSGordon Ross * Structure used on VOP_GETSECATTR and VOP_SETSECATTR operations 755*8329232eSGordon Ross */ 756*8329232eSGordon Ross 757*8329232eSGordon Ross typedef struct vsecattr { 758*8329232eSGordon Ross uint_t vsa_mask; /* See below */ 759*8329232eSGordon Ross int vsa_aclcnt; /* ACL entry count */ 760*8329232eSGordon Ross void *vsa_aclentp; /* pointer to ACL entries */ 761*8329232eSGordon Ross int vsa_dfaclcnt; /* default ACL entry count */ 762*8329232eSGordon Ross void *vsa_dfaclentp; /* pointer to default ACL entries */ 763*8329232eSGordon Ross size_t vsa_aclentsz; /* ACE size in bytes of vsa_aclentp */ 764*8329232eSGordon Ross uint_t vsa_aclflags; /* ACE ACL flags */ 765*8329232eSGordon Ross } vsecattr_t; 766*8329232eSGordon Ross 767*8329232eSGordon Ross /* vsa_mask values */ 768*8329232eSGordon Ross #define VSA_ACL 0x0001 769*8329232eSGordon Ross #define VSA_ACLCNT 0x0002 770*8329232eSGordon Ross #define VSA_DFACL 0x0004 771*8329232eSGordon Ross #define VSA_DFACLCNT 0x0008 772*8329232eSGordon Ross #define VSA_ACE 0x0010 773*8329232eSGordon Ross #define VSA_ACECNT 0x0020 774*8329232eSGordon Ross #define VSA_ACE_ALLTYPES 0x0040 775*8329232eSGordon Ross #define VSA_ACE_ACLFLAGS 0x0080 /* get/set ACE ACL flags */ 776*8329232eSGordon Ross 777*8329232eSGordon Ross /* 778*8329232eSGordon Ross * Structure used by various vnode operations to determine 779*8329232eSGordon Ross * the context (pid, host, identity) of a caller. 780*8329232eSGordon Ross * 781*8329232eSGordon Ross * The cc_caller_id is used to identify one or more callers who invoke 782*8329232eSGordon Ross * operations, possibly on behalf of others. For example, the NFS 783*8329232eSGordon Ross * server could have it's own cc_caller_id which can be detected by 784*8329232eSGordon Ross * vnode/vfs operations or (FEM) monitors on those operations. New 785*8329232eSGordon Ross * caller IDs are generated by fs_new_caller_id(). 786*8329232eSGordon Ross */ 787*8329232eSGordon Ross typedef struct caller_context { 788*8329232eSGordon Ross pid_t cc_pid; /* Process ID of the caller */ 789*8329232eSGordon Ross int cc_sysid; /* System ID, used for remote calls */ 790*8329232eSGordon Ross u_longlong_t cc_caller_id; /* Identifier for (set of) caller(s) */ 791*8329232eSGordon Ross ulong_t cc_flags; 792*8329232eSGordon Ross } caller_context_t; 793*8329232eSGordon Ross 794*8329232eSGordon Ross /* 795*8329232eSGordon Ross * Flags for caller context. The caller sets CC_DONTBLOCK if it does not 796*8329232eSGordon Ross * want to block inside of a FEM monitor. The monitor will set CC_WOULDBLOCK 797*8329232eSGordon Ross * and return EAGAIN if the operation would have blocked. 798*8329232eSGordon Ross */ 799*8329232eSGordon Ross #define CC_WOULDBLOCK 0x01 800*8329232eSGordon Ross #define CC_DONTBLOCK 0x02 801*8329232eSGordon Ross 802*8329232eSGordon Ross /* 803*8329232eSGordon Ross * Structure tags for function prototypes, defined elsewhere. 804*8329232eSGordon Ross */ 805*8329232eSGordon Ross struct pathname; 806*8329232eSGordon Ross struct fid; 807*8329232eSGordon Ross struct flock64; 808*8329232eSGordon Ross struct flk_callback; 809*8329232eSGordon Ross struct shrlock; 810*8329232eSGordon Ross struct page; 811*8329232eSGordon Ross struct seg; 812*8329232eSGordon Ross struct as; 813*8329232eSGordon Ross struct pollhead; 814*8329232eSGordon Ross struct taskq; 815*8329232eSGordon Ross 816*8329232eSGordon Ross #if defined(_KERNEL) || defined(_FAKE_KERNEL) 817*8329232eSGordon Ross 818*8329232eSGordon Ross /* 819*8329232eSGordon Ross * VNODE_OPS defines all the vnode operations. It is used to define 820*8329232eSGordon Ross * the vnodeops structure (below) and the fs_func_p union (vfs_opreg.h). 821*8329232eSGordon Ross */ 822*8329232eSGordon Ross #define VNODE_OPS \ 823*8329232eSGordon Ross int (*vop_open)(vnode_t **, int, cred_t *, \ 824*8329232eSGordon Ross caller_context_t *); \ 825*8329232eSGordon Ross int (*vop_close)(vnode_t *, int, int, offset_t, cred_t *, \ 826*8329232eSGordon Ross caller_context_t *); \ 827*8329232eSGordon Ross int (*vop_read)(vnode_t *, uio_t *, int, cred_t *, \ 828*8329232eSGordon Ross caller_context_t *); \ 829*8329232eSGordon Ross int (*vop_write)(vnode_t *, uio_t *, int, cred_t *, \ 830*8329232eSGordon Ross caller_context_t *); \ 831*8329232eSGordon Ross int (*vop_ioctl)(vnode_t *, int, intptr_t, int, cred_t *, \ 832*8329232eSGordon Ross int *, caller_context_t *); \ 833*8329232eSGordon Ross int (*vop_setfl)(vnode_t *, int, int, cred_t *, \ 834*8329232eSGordon Ross caller_context_t *); \ 835*8329232eSGordon Ross int (*vop_getattr)(vnode_t *, vattr_t *, int, cred_t *, \ 836*8329232eSGordon Ross caller_context_t *); \ 837*8329232eSGordon Ross int (*vop_setattr)(vnode_t *, vattr_t *, int, cred_t *, \ 838*8329232eSGordon Ross caller_context_t *); \ 839*8329232eSGordon Ross int (*vop_access)(vnode_t *, int, int, cred_t *, \ 840*8329232eSGordon Ross caller_context_t *); \ 841*8329232eSGordon Ross int (*vop_lookup)(vnode_t *, char *, vnode_t **, \ 842*8329232eSGordon Ross struct pathname *, \ 843*8329232eSGordon Ross int, vnode_t *, cred_t *, \ 844*8329232eSGordon Ross caller_context_t *, int *, \ 845*8329232eSGordon Ross struct pathname *); \ 846*8329232eSGordon Ross int (*vop_create)(vnode_t *, char *, vattr_t *, vcexcl_t, \ 847*8329232eSGordon Ross int, vnode_t **, cred_t *, int, \ 848*8329232eSGordon Ross caller_context_t *, vsecattr_t *); \ 849*8329232eSGordon Ross int (*vop_remove)(vnode_t *, char *, cred_t *, \ 850*8329232eSGordon Ross caller_context_t *, int); \ 851*8329232eSGordon Ross int (*vop_link)(vnode_t *, vnode_t *, char *, cred_t *, \ 852*8329232eSGordon Ross caller_context_t *, int); \ 853*8329232eSGordon Ross int (*vop_rename)(vnode_t *, char *, vnode_t *, char *, \ 854*8329232eSGordon Ross cred_t *, caller_context_t *, int); \ 855*8329232eSGordon Ross int (*vop_mkdir)(vnode_t *, char *, vattr_t *, vnode_t **, \ 856*8329232eSGordon Ross cred_t *, caller_context_t *, int, \ 857*8329232eSGordon Ross vsecattr_t *); \ 858*8329232eSGordon Ross int (*vop_rmdir)(vnode_t *, char *, vnode_t *, cred_t *, \ 859*8329232eSGordon Ross caller_context_t *, int); \ 860*8329232eSGordon Ross int (*vop_readdir)(vnode_t *, uio_t *, cred_t *, int *, \ 861*8329232eSGordon Ross caller_context_t *, int); \ 862*8329232eSGordon Ross int (*vop_symlink)(vnode_t *, char *, vattr_t *, char *, \ 863*8329232eSGordon Ross cred_t *, caller_context_t *, int); \ 864*8329232eSGordon Ross int (*vop_readlink)(vnode_t *, uio_t *, cred_t *, \ 865*8329232eSGordon Ross caller_context_t *); \ 866*8329232eSGordon Ross int (*vop_fsync)(vnode_t *, int, cred_t *, \ 867*8329232eSGordon Ross caller_context_t *); \ 868*8329232eSGordon Ross void (*vop_inactive)(vnode_t *, cred_t *, \ 869*8329232eSGordon Ross caller_context_t *); \ 870*8329232eSGordon Ross int (*vop_fid)(vnode_t *, struct fid *, \ 871*8329232eSGordon Ross caller_context_t *); \ 872*8329232eSGordon Ross int (*vop_rwlock)(vnode_t *, int, caller_context_t *); \ 873*8329232eSGordon Ross void (*vop_rwunlock)(vnode_t *, int, caller_context_t *); \ 874*8329232eSGordon Ross int (*vop_seek)(vnode_t *, offset_t, offset_t *, \ 875*8329232eSGordon Ross caller_context_t *); \ 876*8329232eSGordon Ross int (*vop_cmp)(vnode_t *, vnode_t *, caller_context_t *); \ 877*8329232eSGordon Ross int (*vop_frlock)(vnode_t *, int, struct flock64 *, \ 878*8329232eSGordon Ross int, offset_t, \ 879*8329232eSGordon Ross struct flk_callback *, cred_t *, \ 880*8329232eSGordon Ross caller_context_t *); \ 881*8329232eSGordon Ross int (*vop_space)(vnode_t *, int, struct flock64 *, \ 882*8329232eSGordon Ross int, offset_t, \ 883*8329232eSGordon Ross cred_t *, caller_context_t *); \ 884*8329232eSGordon Ross int (*vop_realvp)(vnode_t *, vnode_t **, \ 885*8329232eSGordon Ross caller_context_t *); \ 886*8329232eSGordon Ross int (*vop_getpage)(vnode_t *, offset_t, size_t, uint_t *, \ 887*8329232eSGordon Ross struct page **, size_t, struct seg *, \ 888*8329232eSGordon Ross caddr_t, enum seg_rw, cred_t *, \ 889*8329232eSGordon Ross caller_context_t *); \ 890*8329232eSGordon Ross int (*vop_putpage)(vnode_t *, offset_t, size_t, \ 891*8329232eSGordon Ross int, cred_t *, caller_context_t *); \ 892*8329232eSGordon Ross int (*vop_map)(vnode_t *, offset_t, struct as *, \ 893*8329232eSGordon Ross caddr_t *, size_t, \ 894*8329232eSGordon Ross uchar_t, uchar_t, uint_t, cred_t *, \ 895*8329232eSGordon Ross caller_context_t *); \ 896*8329232eSGordon Ross int (*vop_addmap)(vnode_t *, offset_t, struct as *, \ 897*8329232eSGordon Ross caddr_t, size_t, \ 898*8329232eSGordon Ross uchar_t, uchar_t, uint_t, cred_t *, \ 899*8329232eSGordon Ross caller_context_t *); \ 900*8329232eSGordon Ross int (*vop_delmap)(vnode_t *, offset_t, struct as *, \ 901*8329232eSGordon Ross caddr_t, size_t, \ 902*8329232eSGordon Ross uint_t, uint_t, uint_t, cred_t *, \ 903*8329232eSGordon Ross caller_context_t *); \ 904*8329232eSGordon Ross int (*vop_poll)(vnode_t *, short, int, short *, \ 905*8329232eSGordon Ross struct pollhead **, \ 906*8329232eSGordon Ross caller_context_t *); \ 907*8329232eSGordon Ross int (*vop_dump)(vnode_t *, caddr_t, offset_t, offset_t, \ 908*8329232eSGordon Ross caller_context_t *); \ 909*8329232eSGordon Ross int (*vop_pathconf)(vnode_t *, int, ulong_t *, cred_t *, \ 910*8329232eSGordon Ross caller_context_t *); \ 911*8329232eSGordon Ross int (*vop_pageio)(vnode_t *, struct page *, \ 912*8329232eSGordon Ross u_offset_t, size_t, int, cred_t *, \ 913*8329232eSGordon Ross caller_context_t *); \ 914*8329232eSGordon Ross int (*vop_dumpctl)(vnode_t *, int, offset_t *, \ 915*8329232eSGordon Ross caller_context_t *); \ 916*8329232eSGordon Ross void (*vop_dispose)(vnode_t *, struct page *, \ 917*8329232eSGordon Ross int, int, cred_t *, \ 918*8329232eSGordon Ross caller_context_t *); \ 919*8329232eSGordon Ross int (*vop_setsecattr)(vnode_t *, vsecattr_t *, \ 920*8329232eSGordon Ross int, cred_t *, caller_context_t *); \ 921*8329232eSGordon Ross int (*vop_getsecattr)(vnode_t *, vsecattr_t *, \ 922*8329232eSGordon Ross int, cred_t *, caller_context_t *); \ 923*8329232eSGordon Ross int (*vop_shrlock)(vnode_t *, int, struct shrlock *, \ 924*8329232eSGordon Ross int, cred_t *, caller_context_t *); \ 925*8329232eSGordon Ross int (*vop_vnevent)(vnode_t *, vnevent_t, vnode_t *, \ 926*8329232eSGordon Ross char *, caller_context_t *); \ 927*8329232eSGordon Ross int (*vop_reqzcbuf)(vnode_t *, enum uio_rw, xuio_t *, \ 928*8329232eSGordon Ross cred_t *, caller_context_t *); \ 929*8329232eSGordon Ross int (*vop_retzcbuf)(vnode_t *, xuio_t *, cred_t *, \ 930*8329232eSGordon Ross caller_context_t *) 931*8329232eSGordon Ross /* NB: No ";" */ 932*8329232eSGordon Ross 933*8329232eSGordon Ross /* 934*8329232eSGordon Ross * Operations on vnodes. Note: File systems must never operate directly 935*8329232eSGordon Ross * on a 'vnodeops' structure -- it WILL change in future releases! They 936*8329232eSGordon Ross * must use vn_make_ops() to create the structure. 937*8329232eSGordon Ross */ 938*8329232eSGordon Ross typedef struct vnodeops { 939*8329232eSGordon Ross const char *vnop_name; 940*8329232eSGordon Ross VNODE_OPS; /* Signatures of all vnode operations (vops) */ 941*8329232eSGordon Ross } vnodeops_t; 942*8329232eSGordon Ross 943*8329232eSGordon Ross typedef int (*fs_generic_func_p) (); /* Generic vop/vfsop/femop/fsemop ptr */ 944*8329232eSGordon Ross 945*8329232eSGordon Ross extern int fop_open(vnode_t **, int, cred_t *, caller_context_t *); 946*8329232eSGordon Ross extern int fop_close(vnode_t *, int, int, offset_t, cred_t *, 947*8329232eSGordon Ross caller_context_t *); 948*8329232eSGordon Ross extern int fop_read(vnode_t *, uio_t *, int, cred_t *, caller_context_t *); 949*8329232eSGordon Ross extern int fop_write(vnode_t *, uio_t *, int, cred_t *, 950*8329232eSGordon Ross caller_context_t *); 951*8329232eSGordon Ross extern int fop_ioctl(vnode_t *, int, intptr_t, int, cred_t *, int *, 952*8329232eSGordon Ross caller_context_t *); 953*8329232eSGordon Ross extern int fop_setfl(vnode_t *, int, int, cred_t *, caller_context_t *); 954*8329232eSGordon Ross extern int fop_getattr(vnode_t *, vattr_t *, int, cred_t *, 955*8329232eSGordon Ross caller_context_t *); 956*8329232eSGordon Ross extern int fop_setattr(vnode_t *, vattr_t *, int, cred_t *, 957*8329232eSGordon Ross caller_context_t *); 958*8329232eSGordon Ross extern int fop_access(vnode_t *, int, int, cred_t *, caller_context_t *); 959*8329232eSGordon Ross extern int fop_lookup(vnode_t *, char *, vnode_t **, struct pathname *, 960*8329232eSGordon Ross int, vnode_t *, cred_t *, caller_context_t *, 961*8329232eSGordon Ross int *, struct pathname *); 962*8329232eSGordon Ross extern int fop_create(vnode_t *, char *, vattr_t *, vcexcl_t, int, 963*8329232eSGordon Ross vnode_t **, cred_t *, int, caller_context_t *, 964*8329232eSGordon Ross vsecattr_t *); 965*8329232eSGordon Ross extern int fop_remove(vnode_t *vp, char *, cred_t *, caller_context_t *, 966*8329232eSGordon Ross int); 967*8329232eSGordon Ross extern int fop_link(vnode_t *, vnode_t *, char *, cred_t *, 968*8329232eSGordon Ross caller_context_t *, int); 969*8329232eSGordon Ross extern int fop_rename(vnode_t *, char *, vnode_t *, char *, cred_t *, 970*8329232eSGordon Ross caller_context_t *, int); 971*8329232eSGordon Ross extern int fop_mkdir(vnode_t *, char *, vattr_t *, vnode_t **, cred_t *, 972*8329232eSGordon Ross caller_context_t *, int, vsecattr_t *); 973*8329232eSGordon Ross extern int fop_rmdir(vnode_t *, char *, vnode_t *, cred_t *, 974*8329232eSGordon Ross caller_context_t *, int); 975*8329232eSGordon Ross extern int fop_readdir(vnode_t *, uio_t *, cred_t *, int *, 976*8329232eSGordon Ross caller_context_t *, int); 977*8329232eSGordon Ross extern int fop_symlink(vnode_t *, char *, vattr_t *, char *, cred_t *, 978*8329232eSGordon Ross caller_context_t *, int); 979*8329232eSGordon Ross extern int fop_readlink(vnode_t *, uio_t *, cred_t *, caller_context_t *); 980*8329232eSGordon Ross extern int fop_fsync(vnode_t *, int, cred_t *, caller_context_t *); 981*8329232eSGordon Ross extern void fop_inactive(vnode_t *, cred_t *, caller_context_t *); 982*8329232eSGordon Ross extern int fop_fid(vnode_t *, struct fid *, caller_context_t *); 983*8329232eSGordon Ross extern int fop_rwlock(vnode_t *, int, caller_context_t *); 984*8329232eSGordon Ross extern void fop_rwunlock(vnode_t *, int, caller_context_t *); 985*8329232eSGordon Ross extern int fop_seek(vnode_t *, offset_t, offset_t *, caller_context_t *); 986*8329232eSGordon Ross extern int fop_cmp(vnode_t *, vnode_t *, caller_context_t *); 987*8329232eSGordon Ross extern int fop_frlock(vnode_t *, int, struct flock64 *, int, offset_t, 988*8329232eSGordon Ross struct flk_callback *, cred_t *, 989*8329232eSGordon Ross caller_context_t *); 990*8329232eSGordon Ross extern int fop_space(vnode_t *, int, struct flock64 *, int, offset_t, 991*8329232eSGordon Ross cred_t *, caller_context_t *); 992*8329232eSGordon Ross extern int fop_realvp(vnode_t *, vnode_t **, caller_context_t *); 993*8329232eSGordon Ross extern int fop_getpage(vnode_t *, offset_t, size_t, uint_t *, 994*8329232eSGordon Ross struct page **, size_t, struct seg *, 995*8329232eSGordon Ross caddr_t, enum seg_rw, cred_t *, 996*8329232eSGordon Ross caller_context_t *); 997*8329232eSGordon Ross extern int fop_putpage(vnode_t *, offset_t, size_t, int, cred_t *, 998*8329232eSGordon Ross caller_context_t *); 999*8329232eSGordon Ross extern int fop_map(vnode_t *, offset_t, struct as *, caddr_t *, size_t, 1000*8329232eSGordon Ross uchar_t, uchar_t, uint_t, cred_t *cr, 1001*8329232eSGordon Ross caller_context_t *); 1002*8329232eSGordon Ross extern int fop_addmap(vnode_t *, offset_t, struct as *, caddr_t, size_t, 1003*8329232eSGordon Ross uchar_t, uchar_t, uint_t, cred_t *, 1004*8329232eSGordon Ross caller_context_t *); 1005*8329232eSGordon Ross extern int fop_delmap(vnode_t *, offset_t, struct as *, caddr_t, size_t, 1006*8329232eSGordon Ross uint_t, uint_t, uint_t, cred_t *, 1007*8329232eSGordon Ross caller_context_t *); 1008*8329232eSGordon Ross extern int fop_poll(vnode_t *, short, int, short *, struct pollhead **, 1009*8329232eSGordon Ross caller_context_t *); 1010*8329232eSGordon Ross extern int fop_dump(vnode_t *, caddr_t, offset_t, offset_t, 1011*8329232eSGordon Ross caller_context_t *); 1012*8329232eSGordon Ross extern int fop_pathconf(vnode_t *, int, ulong_t *, cred_t *, 1013*8329232eSGordon Ross caller_context_t *); 1014*8329232eSGordon Ross extern int fop_pageio(vnode_t *, struct page *, u_offset_t, size_t, int, 1015*8329232eSGordon Ross cred_t *, caller_context_t *); 1016*8329232eSGordon Ross extern int fop_dumpctl(vnode_t *, int, offset_t *, caller_context_t *); 1017*8329232eSGordon Ross extern void fop_dispose(vnode_t *, struct page *, int, int, cred_t *, 1018*8329232eSGordon Ross caller_context_t *); 1019*8329232eSGordon Ross extern int fop_setsecattr(vnode_t *, vsecattr_t *, int, cred_t *, 1020*8329232eSGordon Ross caller_context_t *); 1021*8329232eSGordon Ross extern int fop_getsecattr(vnode_t *, vsecattr_t *, int, cred_t *, 1022*8329232eSGordon Ross caller_context_t *); 1023*8329232eSGordon Ross extern int fop_shrlock(vnode_t *, int, struct shrlock *, int, cred_t *, 1024*8329232eSGordon Ross caller_context_t *); 1025*8329232eSGordon Ross extern int fop_vnevent(vnode_t *, vnevent_t, vnode_t *, char *, 1026*8329232eSGordon Ross caller_context_t *); 1027*8329232eSGordon Ross extern int fop_reqzcbuf(vnode_t *, enum uio_rw, xuio_t *, cred_t *, 1028*8329232eSGordon Ross caller_context_t *); 1029*8329232eSGordon Ross extern int fop_retzcbuf(vnode_t *, xuio_t *, cred_t *, caller_context_t *); 1030*8329232eSGordon Ross 1031*8329232eSGordon Ross #endif /* _KERNEL */ 1032*8329232eSGordon Ross 1033*8329232eSGordon Ross #define VOP_OPEN(vpp, mode, cr, ct) \ 1034*8329232eSGordon Ross fop_open(vpp, mode, cr, ct) 1035*8329232eSGordon Ross #define VOP_CLOSE(vp, f, c, o, cr, ct) \ 1036*8329232eSGordon Ross fop_close(vp, f, c, o, cr, ct) 1037*8329232eSGordon Ross #define VOP_READ(vp, uiop, iof, cr, ct) \ 1038*8329232eSGordon Ross fop_read(vp, uiop, iof, cr, ct) 1039*8329232eSGordon Ross #define VOP_WRITE(vp, uiop, iof, cr, ct) \ 1040*8329232eSGordon Ross fop_write(vp, uiop, iof, cr, ct) 1041*8329232eSGordon Ross #define VOP_IOCTL(vp, cmd, a, f, cr, rvp, ct) \ 1042*8329232eSGordon Ross fop_ioctl(vp, cmd, a, f, cr, rvp, ct) 1043*8329232eSGordon Ross #define VOP_SETFL(vp, f, a, cr, ct) \ 1044*8329232eSGordon Ross fop_setfl(vp, f, a, cr, ct) 1045*8329232eSGordon Ross #define VOP_GETATTR(vp, vap, f, cr, ct) \ 1046*8329232eSGordon Ross fop_getattr(vp, vap, f, cr, ct) 1047*8329232eSGordon Ross #define VOP_SETATTR(vp, vap, f, cr, ct) \ 1048*8329232eSGordon Ross fop_setattr(vp, vap, f, cr, ct) 1049*8329232eSGordon Ross #define VOP_ACCESS(vp, mode, f, cr, ct) \ 1050*8329232eSGordon Ross fop_access(vp, mode, f, cr, ct) 1051*8329232eSGordon Ross #define VOP_LOOKUP(vp, cp, vpp, pnp, f, rdir, cr, ct, defp, rpnp) \ 1052*8329232eSGordon Ross fop_lookup(vp, cp, vpp, pnp, f, rdir, cr, ct, defp, rpnp) 1053*8329232eSGordon Ross #define VOP_CREATE(dvp, p, vap, ex, mode, vpp, cr, flag, ct, vsap) \ 1054*8329232eSGordon Ross fop_create(dvp, p, vap, ex, mode, vpp, cr, flag, ct, vsap) 1055*8329232eSGordon Ross #define VOP_REMOVE(dvp, p, cr, ct, f) \ 1056*8329232eSGordon Ross fop_remove(dvp, p, cr, ct, f) 1057*8329232eSGordon Ross #define VOP_LINK(tdvp, fvp, p, cr, ct, f) \ 1058*8329232eSGordon Ross fop_link(tdvp, fvp, p, cr, ct, f) 1059*8329232eSGordon Ross #define VOP_RENAME(fvp, fnm, tdvp, tnm, cr, ct, f) \ 1060*8329232eSGordon Ross fop_rename(fvp, fnm, tdvp, tnm, cr, ct, f) 1061*8329232eSGordon Ross #define VOP_MKDIR(dp, p, vap, vpp, cr, ct, f, vsap) \ 1062*8329232eSGordon Ross fop_mkdir(dp, p, vap, vpp, cr, ct, f, vsap) 1063*8329232eSGordon Ross #define VOP_RMDIR(dp, p, cdir, cr, ct, f) \ 1064*8329232eSGordon Ross fop_rmdir(dp, p, cdir, cr, ct, f) 1065*8329232eSGordon Ross #define VOP_READDIR(vp, uiop, cr, eofp, ct, f) \ 1066*8329232eSGordon Ross fop_readdir(vp, uiop, cr, eofp, ct, f) 1067*8329232eSGordon Ross #define VOP_SYMLINK(dvp, lnm, vap, tnm, cr, ct, f) \ 1068*8329232eSGordon Ross fop_symlink(dvp, lnm, vap, tnm, cr, ct, f) 1069*8329232eSGordon Ross #define VOP_READLINK(vp, uiop, cr, ct) \ 1070*8329232eSGordon Ross fop_readlink(vp, uiop, cr, ct) 1071*8329232eSGordon Ross #define VOP_FSYNC(vp, syncflag, cr, ct) \ 1072*8329232eSGordon Ross fop_fsync(vp, syncflag, cr, ct) 1073*8329232eSGordon Ross #define VOP_INACTIVE(vp, cr, ct) \ 1074*8329232eSGordon Ross fop_inactive(vp, cr, ct) 1075*8329232eSGordon Ross #define VOP_FID(vp, fidp, ct) \ 1076*8329232eSGordon Ross fop_fid(vp, fidp, ct) 1077*8329232eSGordon Ross #define VOP_RWLOCK(vp, w, ct) \ 1078*8329232eSGordon Ross fop_rwlock(vp, w, ct) 1079*8329232eSGordon Ross #define VOP_RWUNLOCK(vp, w, ct) \ 1080*8329232eSGordon Ross fop_rwunlock(vp, w, ct) 1081*8329232eSGordon Ross #define VOP_SEEK(vp, ooff, noffp, ct) \ 1082*8329232eSGordon Ross fop_seek(vp, ooff, noffp, ct) 1083*8329232eSGordon Ross #define VOP_CMP(vp1, vp2, ct) \ 1084*8329232eSGordon Ross fop_cmp(vp1, vp2, ct) 1085*8329232eSGordon Ross #define VOP_FRLOCK(vp, cmd, a, f, o, cb, cr, ct) \ 1086*8329232eSGordon Ross fop_frlock(vp, cmd, a, f, o, cb, cr, ct) 1087*8329232eSGordon Ross #define VOP_SPACE(vp, cmd, a, f, o, cr, ct) \ 1088*8329232eSGordon Ross fop_space(vp, cmd, a, f, o, cr, ct) 1089*8329232eSGordon Ross #define VOP_REALVP(vp1, vp2, ct) \ 1090*8329232eSGordon Ross fop_realvp(vp1, vp2, ct) 1091*8329232eSGordon Ross #define VOP_GETPAGE(vp, of, sz, pr, pl, ps, sg, a, rw, cr, ct) \ 1092*8329232eSGordon Ross fop_getpage(vp, of, sz, pr, pl, ps, sg, a, rw, cr, ct) 1093*8329232eSGordon Ross #define VOP_PUTPAGE(vp, of, sz, fl, cr, ct) \ 1094*8329232eSGordon Ross fop_putpage(vp, of, sz, fl, cr, ct) 1095*8329232eSGordon Ross #define VOP_MAP(vp, of, as, a, sz, p, mp, fl, cr, ct) \ 1096*8329232eSGordon Ross fop_map(vp, of, as, a, sz, p, mp, fl, cr, ct) 1097*8329232eSGordon Ross #define VOP_ADDMAP(vp, of, as, a, sz, p, mp, fl, cr, ct) \ 1098*8329232eSGordon Ross fop_addmap(vp, of, as, a, sz, p, mp, fl, cr, ct) 1099*8329232eSGordon Ross #define VOP_DELMAP(vp, of, as, a, sz, p, mp, fl, cr, ct) \ 1100*8329232eSGordon Ross fop_delmap(vp, of, as, a, sz, p, mp, fl, cr, ct) 1101*8329232eSGordon Ross #define VOP_POLL(vp, events, anyyet, reventsp, phpp, ct) \ 1102*8329232eSGordon Ross fop_poll(vp, events, anyyet, reventsp, phpp, ct) 1103*8329232eSGordon Ross #define VOP_DUMP(vp, addr, bn, count, ct) \ 1104*8329232eSGordon Ross fop_dump(vp, addr, bn, count, ct) 1105*8329232eSGordon Ross #define VOP_PATHCONF(vp, cmd, valp, cr, ct) \ 1106*8329232eSGordon Ross fop_pathconf(vp, cmd, valp, cr, ct) 1107*8329232eSGordon Ross #define VOP_PAGEIO(vp, pp, io_off, io_len, flags, cr, ct) \ 1108*8329232eSGordon Ross fop_pageio(vp, pp, io_off, io_len, flags, cr, ct) 1109*8329232eSGordon Ross #define VOP_DUMPCTL(vp, action, blkp, ct) \ 1110*8329232eSGordon Ross fop_dumpctl(vp, action, blkp, ct) 1111*8329232eSGordon Ross #define VOP_DISPOSE(vp, pp, flag, dn, cr, ct) \ 1112*8329232eSGordon Ross fop_dispose(vp, pp, flag, dn, cr, ct) 1113*8329232eSGordon Ross #define VOP_GETSECATTR(vp, vsap, f, cr, ct) \ 1114*8329232eSGordon Ross fop_getsecattr(vp, vsap, f, cr, ct) 1115*8329232eSGordon Ross #define VOP_SETSECATTR(vp, vsap, f, cr, ct) \ 1116*8329232eSGordon Ross fop_setsecattr(vp, vsap, f, cr, ct) 1117*8329232eSGordon Ross #define VOP_SHRLOCK(vp, cmd, shr, f, cr, ct) \ 1118*8329232eSGordon Ross fop_shrlock(vp, cmd, shr, f, cr, ct) 1119*8329232eSGordon Ross #define VOP_VNEVENT(vp, vnevent, dvp, fnm, ct) \ 1120*8329232eSGordon Ross fop_vnevent(vp, vnevent, dvp, fnm, ct) 1121*8329232eSGordon Ross #define VOP_REQZCBUF(vp, rwflag, xuiop, cr, ct) \ 1122*8329232eSGordon Ross fop_reqzcbuf(vp, rwflag, xuiop, cr, ct) 1123*8329232eSGordon Ross #define VOP_RETZCBUF(vp, xuiop, cr, ct) \ 1124*8329232eSGordon Ross fop_retzcbuf(vp, xuiop, cr, ct) 1125*8329232eSGordon Ross 1126*8329232eSGordon Ross #define VOPNAME_OPEN "open" 1127*8329232eSGordon Ross #define VOPNAME_CLOSE "close" 1128*8329232eSGordon Ross #define VOPNAME_READ "read" 1129*8329232eSGordon Ross #define VOPNAME_WRITE "write" 1130*8329232eSGordon Ross #define VOPNAME_IOCTL "ioctl" 1131*8329232eSGordon Ross #define VOPNAME_SETFL "setfl" 1132*8329232eSGordon Ross #define VOPNAME_GETATTR "getattr" 1133*8329232eSGordon Ross #define VOPNAME_SETATTR "setattr" 1134*8329232eSGordon Ross #define VOPNAME_ACCESS "access" 1135*8329232eSGordon Ross #define VOPNAME_LOOKUP "lookup" 1136*8329232eSGordon Ross #define VOPNAME_CREATE "create" 1137*8329232eSGordon Ross #define VOPNAME_REMOVE "remove" 1138*8329232eSGordon Ross #define VOPNAME_LINK "link" 1139*8329232eSGordon Ross #define VOPNAME_RENAME "rename" 1140*8329232eSGordon Ross #define VOPNAME_MKDIR "mkdir" 1141*8329232eSGordon Ross #define VOPNAME_RMDIR "rmdir" 1142*8329232eSGordon Ross #define VOPNAME_READDIR "readdir" 1143*8329232eSGordon Ross #define VOPNAME_SYMLINK "symlink" 1144*8329232eSGordon Ross #define VOPNAME_READLINK "readlink" 1145*8329232eSGordon Ross #define VOPNAME_FSYNC "fsync" 1146*8329232eSGordon Ross #define VOPNAME_INACTIVE "inactive" 1147*8329232eSGordon Ross #define VOPNAME_FID "fid" 1148*8329232eSGordon Ross #define VOPNAME_RWLOCK "rwlock" 1149*8329232eSGordon Ross #define VOPNAME_RWUNLOCK "rwunlock" 1150*8329232eSGordon Ross #define VOPNAME_SEEK "seek" 1151*8329232eSGordon Ross #define VOPNAME_CMP "cmp" 1152*8329232eSGordon Ross #define VOPNAME_FRLOCK "frlock" 1153*8329232eSGordon Ross #define VOPNAME_SPACE "space" 1154*8329232eSGordon Ross #define VOPNAME_REALVP "realvp" 1155*8329232eSGordon Ross #define VOPNAME_GETPAGE "getpage" 1156*8329232eSGordon Ross #define VOPNAME_PUTPAGE "putpage" 1157*8329232eSGordon Ross #define VOPNAME_MAP "map" 1158*8329232eSGordon Ross #define VOPNAME_ADDMAP "addmap" 1159*8329232eSGordon Ross #define VOPNAME_DELMAP "delmap" 1160*8329232eSGordon Ross #define VOPNAME_POLL "poll" 1161*8329232eSGordon Ross #define VOPNAME_DUMP "dump" 1162*8329232eSGordon Ross #define VOPNAME_PATHCONF "pathconf" 1163*8329232eSGordon Ross #define VOPNAME_PAGEIO "pageio" 1164*8329232eSGordon Ross #define VOPNAME_DUMPCTL "dumpctl" 1165*8329232eSGordon Ross #define VOPNAME_DISPOSE "dispose" 1166*8329232eSGordon Ross #define VOPNAME_GETSECATTR "getsecattr" 1167*8329232eSGordon Ross #define VOPNAME_SETSECATTR "setsecattr" 1168*8329232eSGordon Ross #define VOPNAME_SHRLOCK "shrlock" 1169*8329232eSGordon Ross #define VOPNAME_VNEVENT "vnevent" 1170*8329232eSGordon Ross #define VOPNAME_REQZCBUF "reqzcbuf" 1171*8329232eSGordon Ross #define VOPNAME_RETZCBUF "retzcbuf" 1172*8329232eSGordon Ross 1173*8329232eSGordon Ross /* 1174*8329232eSGordon Ross * Flags for VOP_LOOKUP 1175*8329232eSGordon Ross * 1176*8329232eSGordon Ross * Defined in file.h, but also possible, FIGNORECASE and FSEARCH 1177*8329232eSGordon Ross * 1178*8329232eSGordon Ross */ 1179*8329232eSGordon Ross #define LOOKUP_DIR 0x01 /* want parent dir vp */ 1180*8329232eSGordon Ross #define LOOKUP_XATTR 0x02 /* lookup up extended attr dir */ 1181*8329232eSGordon Ross #define CREATE_XATTR_DIR 0x04 /* Create extended attr dir */ 1182*8329232eSGordon Ross #define LOOKUP_HAVE_SYSATTR_DIR 0x08 /* Already created virtual GFS dir */ 1183*8329232eSGordon Ross 1184*8329232eSGordon Ross /* 1185*8329232eSGordon Ross * Flags for VOP_READDIR 1186*8329232eSGordon Ross */ 1187*8329232eSGordon Ross #define V_RDDIR_ENTFLAGS 0x01 /* request dirent flags */ 1188*8329232eSGordon Ross #define V_RDDIR_ACCFILTER 0x02 /* filter out inaccessible dirents */ 1189*8329232eSGordon Ross 1190*8329232eSGordon Ross /* 1191*8329232eSGordon Ross * Flags for VOP_RWLOCK/VOP_RWUNLOCK 1192*8329232eSGordon Ross * VOP_RWLOCK will return the flag that was actually set, or -1 if none. 1193*8329232eSGordon Ross */ 1194*8329232eSGordon Ross #define V_WRITELOCK_TRUE (1) /* Request write-lock on the vnode */ 1195*8329232eSGordon Ross #define V_WRITELOCK_FALSE (0) /* Request read-lock on the vnode */ 1196*8329232eSGordon Ross 1197*8329232eSGordon Ross /* 1198*8329232eSGordon Ross * Flags for VOP_DUMPCTL 1199*8329232eSGordon Ross */ 1200*8329232eSGordon Ross #define DUMP_ALLOC 0 1201*8329232eSGordon Ross #define DUMP_FREE 1 1202*8329232eSGordon Ross #define DUMP_SCAN 2 1203*8329232eSGordon Ross 1204*8329232eSGordon Ross /* 1205*8329232eSGordon Ross * Public vnode manipulation functions. 1206*8329232eSGordon Ross */ 1207*8329232eSGordon Ross #if defined(_KERNEL) || defined(_FAKE_KERNEL) 1208*8329232eSGordon Ross 1209*8329232eSGordon Ross vnode_t *vn_alloc(int); 1210*8329232eSGordon Ross void vn_reinit(vnode_t *); 1211*8329232eSGordon Ross void vn_recycle(vnode_t *); 1212*8329232eSGordon Ross void vn_free(vnode_t *); 1213*8329232eSGordon Ross 1214*8329232eSGordon Ross int vn_is_readonly(vnode_t *); 1215*8329232eSGordon Ross int vn_is_opened(vnode_t *, v_mode_t); 1216*8329232eSGordon Ross int vn_is_mapped(vnode_t *, v_mode_t); 1217*8329232eSGordon Ross int vn_has_other_opens(vnode_t *, v_mode_t); 1218*8329232eSGordon Ross void vn_open_upgrade(vnode_t *, int); 1219*8329232eSGordon Ross void vn_open_downgrade(vnode_t *, int); 1220*8329232eSGordon Ross 1221*8329232eSGordon Ross int vn_can_change_zones(vnode_t *vp); 1222*8329232eSGordon Ross 1223*8329232eSGordon Ross int vn_has_flocks(vnode_t *); 1224*8329232eSGordon Ross int vn_has_mandatory_locks(vnode_t *, int); 1225*8329232eSGordon Ross int vn_has_cached_data(vnode_t *); 1226*8329232eSGordon Ross 1227*8329232eSGordon Ross void vn_setops(vnode_t *, vnodeops_t *); 1228*8329232eSGordon Ross vnodeops_t *vn_getops(vnode_t *); 1229*8329232eSGordon Ross int vn_matchops(vnode_t *, vnodeops_t *); 1230*8329232eSGordon Ross int vn_matchopval(vnode_t *, char *, fs_generic_func_p); 1231*8329232eSGordon Ross int vn_ismntpt(vnode_t *); 1232*8329232eSGordon Ross 1233*8329232eSGordon Ross struct vfs *vn_mountedvfs(vnode_t *); 1234*8329232eSGordon Ross 1235*8329232eSGordon Ross int vn_in_dnlc(vnode_t *); 1236*8329232eSGordon Ross 1237*8329232eSGordon Ross void vn_create_cache(void); 1238*8329232eSGordon Ross void vn_destroy_cache(void); 1239*8329232eSGordon Ross 1240*8329232eSGordon Ross void vn_freevnodeops(vnodeops_t *); 1241*8329232eSGordon Ross 1242*8329232eSGordon Ross int vn_open(char *pnamep, enum uio_seg seg, int filemode, int createmode, 1243*8329232eSGordon Ross struct vnode **vpp, enum create crwhy, mode_t umask); 1244*8329232eSGordon Ross int vn_openat(char *pnamep, enum uio_seg seg, int filemode, int createmode, 1245*8329232eSGordon Ross struct vnode **vpp, enum create crwhy, 1246*8329232eSGordon Ross mode_t umask, struct vnode *startvp, int fd); 1247*8329232eSGordon Ross int vn_create(char *pnamep, enum uio_seg seg, struct vattr *vap, 1248*8329232eSGordon Ross enum vcexcl excl, int mode, struct vnode **vpp, 1249*8329232eSGordon Ross enum create why, int flag, mode_t umask); 1250*8329232eSGordon Ross int vn_createat(char *pnamep, enum uio_seg seg, struct vattr *vap, 1251*8329232eSGordon Ross enum vcexcl excl, int mode, struct vnode **vpp, 1252*8329232eSGordon Ross enum create why, int flag, mode_t umask, struct vnode *startvp); 1253*8329232eSGordon Ross int vn_rdwr(enum uio_rw rw, struct vnode *vp, caddr_t base, ssize_t len, 1254*8329232eSGordon Ross offset_t offset, enum uio_seg seg, int ioflag, rlim64_t ulimit, 1255*8329232eSGordon Ross cred_t *cr, ssize_t *residp); 1256*8329232eSGordon Ross 1257*8329232eSGordon Ross void vn_hold(struct vnode *vp); 1258*8329232eSGordon Ross void vn_rele(struct vnode *vp); 1259*8329232eSGordon Ross void vn_rele_async(struct vnode *vp, struct taskq *taskq); 1260*8329232eSGordon Ross void vn_rele_dnlc(struct vnode *vp); 1261*8329232eSGordon Ross void vn_rele_stream(struct vnode *vp); 1262*8329232eSGordon Ross int vn_link(char *from, char *to, enum uio_seg seg); 1263*8329232eSGordon Ross int vn_linkat(vnode_t *fstartvp, char *from, enum symfollow follow, 1264*8329232eSGordon Ross vnode_t *tstartvp, char *to, enum uio_seg seg); 1265*8329232eSGordon Ross int vn_rename(char *from, char *to, enum uio_seg seg); 1266*8329232eSGordon Ross int vn_renameat(vnode_t *fdvp, char *fname, vnode_t *tdvp, char *tname, 1267*8329232eSGordon Ross enum uio_seg seg); 1268*8329232eSGordon Ross int vn_remove(char *fnamep, enum uio_seg seg, enum rm dirflag); 1269*8329232eSGordon Ross int vn_removeat(vnode_t *startvp, char *fnamep, enum uio_seg seg, 1270*8329232eSGordon Ross enum rm dirflag); 1271*8329232eSGordon Ross int vn_compare(vnode_t *vp1, vnode_t *vp2); 1272*8329232eSGordon Ross int vn_vfswlock(struct vnode *vp); 1273*8329232eSGordon Ross int vn_vfswlock_wait(struct vnode *vp); 1274*8329232eSGordon Ross int vn_vfsrlock(struct vnode *vp); 1275*8329232eSGordon Ross int vn_vfsrlock_wait(struct vnode *vp); 1276*8329232eSGordon Ross void vn_vfsunlock(struct vnode *vp); 1277*8329232eSGordon Ross int vn_vfswlock_held(struct vnode *vp); 1278*8329232eSGordon Ross vnode_t *specvp(struct vnode *vp, dev_t dev, vtype_t type, struct cred *cr); 1279*8329232eSGordon Ross vnode_t *makespecvp(dev_t dev, vtype_t type); 1280*8329232eSGordon Ross 1281*8329232eSGordon Ross #if defined(_KERNEL) 1282*8329232eSGordon Ross vn_vfslocks_entry_t *vn_vfslocks_getlock(void *); 1283*8329232eSGordon Ross void vn_vfslocks_rele(vn_vfslocks_entry_t *); 1284*8329232eSGordon Ross #endif 1285*8329232eSGordon Ross 1286*8329232eSGordon Ross boolean_t vn_is_reparse(vnode_t *, cred_t *, caller_context_t *); 1287*8329232eSGordon Ross 1288*8329232eSGordon Ross void vn_copypath(struct vnode *src, struct vnode *dst); 1289*8329232eSGordon Ross void vn_setpath_str(struct vnode *vp, const char *str, size_t len); 1290*8329232eSGordon Ross void vn_setpath(vnode_t *rootvp, struct vnode *startvp, struct vnode *vp, 1291*8329232eSGordon Ross const char *path, size_t plen); 1292*8329232eSGordon Ross void vn_renamepath(vnode_t *dvp, vnode_t *vp, const char *nm, size_t len); 1293*8329232eSGordon Ross 1294*8329232eSGordon Ross /* Vnode event notification */ 1295*8329232eSGordon Ross void vnevent_rename_src(vnode_t *, vnode_t *, char *, caller_context_t *); 1296*8329232eSGordon Ross void vnevent_rename_dest(vnode_t *, vnode_t *, char *, caller_context_t *); 1297*8329232eSGordon Ross void vnevent_remove(vnode_t *, vnode_t *, char *, caller_context_t *); 1298*8329232eSGordon Ross void vnevent_rmdir(vnode_t *, vnode_t *, char *, caller_context_t *); 1299*8329232eSGordon Ross void vnevent_create(vnode_t *, caller_context_t *); 1300*8329232eSGordon Ross void vnevent_link(vnode_t *, caller_context_t *); 1301*8329232eSGordon Ross void vnevent_rename_dest_dir(vnode_t *, caller_context_t *ct); 1302*8329232eSGordon Ross void vnevent_mountedover(vnode_t *, caller_context_t *); 1303*8329232eSGordon Ross void vnevent_truncate(vnode_t *, caller_context_t *); 1304*8329232eSGordon Ross int vnevent_support(vnode_t *, caller_context_t *); 1305*8329232eSGordon Ross 1306*8329232eSGordon Ross /* Vnode specific data */ 1307*8329232eSGordon Ross void vsd_create(uint_t *, void (*)(void *)); 1308*8329232eSGordon Ross void vsd_destroy(uint_t *); 1309*8329232eSGordon Ross void *vsd_get(vnode_t *, uint_t); 1310*8329232eSGordon Ross int vsd_set(vnode_t *, uint_t, void *); 1311*8329232eSGordon Ross void vsd_free(vnode_t *); 1312*8329232eSGordon Ross 1313*8329232eSGordon Ross /* 1314*8329232eSGordon Ross * Extensible vnode attribute (xva) routines: 1315*8329232eSGordon Ross * xva_init() initializes an xvattr_t (zero struct, init mapsize, set AT_XATTR) 1316*8329232eSGordon Ross * xva_getxoptattr() returns a ponter to the xoptattr_t section of xvattr_t 1317*8329232eSGordon Ross */ 1318*8329232eSGordon Ross void xva_init(xvattr_t *); 1319*8329232eSGordon Ross xoptattr_t *xva_getxoptattr(xvattr_t *); /* Get ptr to xoptattr_t */ 1320*8329232eSGordon Ross 1321*8329232eSGordon Ross void xattr_init(void); /* Initialize vnodeops for xattrs */ 1322*8329232eSGordon Ross 1323*8329232eSGordon Ross /* GFS tunnel for xattrs */ 1324*8329232eSGordon Ross int xattr_dir_lookup(vnode_t *, vnode_t **, int, cred_t *); 1325*8329232eSGordon Ross 1326*8329232eSGordon Ross /* Reparse Point */ 1327*8329232eSGordon Ross void reparse_point_init(void); 1328*8329232eSGordon Ross 1329*8329232eSGordon Ross /* Context identification */ 1330*8329232eSGordon Ross u_longlong_t fs_new_caller_id(); 1331*8329232eSGordon Ross 1332*8329232eSGordon Ross int vn_vmpss_usepageio(vnode_t *); 1333*8329232eSGordon Ross 1334*8329232eSGordon Ross /* Empty v_path placeholder */ 1335*8329232eSGordon Ross extern char *vn_vpath_empty; 1336*8329232eSGordon Ross 1337*8329232eSGordon Ross /* 1338*8329232eSGordon Ross * Needed for use of IS_VMODSORT() in kernel. 1339*8329232eSGordon Ross */ 1340*8329232eSGordon Ross extern uint_t pvn_vmodsort_supported; 1341*8329232eSGordon Ross 1342*8329232eSGordon Ross #define VN_HOLD(vp) { \ 1343*8329232eSGordon Ross vn_hold(vp); \ 1344*8329232eSGordon Ross } 1345*8329232eSGordon Ross 1346*8329232eSGordon Ross #define VN_RELE(vp) { \ 1347*8329232eSGordon Ross vn_rele(vp); \ 1348*8329232eSGordon Ross } 1349*8329232eSGordon Ross 1350*8329232eSGordon Ross #define VN_RELE_ASYNC(vp, taskq) { \ 1351*8329232eSGordon Ross vn_rele_async(vp, taskq); \ 1352*8329232eSGordon Ross } 1353*8329232eSGordon Ross 1354*8329232eSGordon Ross #define VN_RELE_LOCKED(vp) { \ 1355*8329232eSGordon Ross (vp)->v_count--; \ 1356*8329232eSGordon Ross } 1357*8329232eSGordon Ross 1358*8329232eSGordon Ross #define VN_SET_VFS_TYPE_DEV(vp, vfsp, type, dev) { \ 1359*8329232eSGordon Ross (vp)->v_vfsp = (vfsp); \ 1360*8329232eSGordon Ross (vp)->v_type = (type); \ 1361*8329232eSGordon Ross (vp)->v_rdev = (dev); \ 1362*8329232eSGordon Ross } 1363*8329232eSGordon Ross 1364*8329232eSGordon Ross /* 1365*8329232eSGordon Ross * Compare two vnodes for equality. In general this macro should be used 1366*8329232eSGordon Ross * in preference to calling VOP_CMP directly. 1367*8329232eSGordon Ross */ 1368*8329232eSGordon Ross #if defined(_FAKE_KERNEL) 1369*8329232eSGordon Ross #define VN_CMP(VP1, VP2) \ 1370*8329232eSGordon Ross (((VP1) == (VP2)) ? 1 : VOP_CMP(VP1, VP2, NULL)) 1371*8329232eSGordon Ross #else 1372*8329232eSGordon Ross #define VN_CMP(VP1, VP2) ((VP1) == (VP2) ? 1 : \ 1373*8329232eSGordon Ross ((VP1) && (VP2) && (vn_getops(VP1) == vn_getops(VP2)) ? \ 1374*8329232eSGordon Ross VOP_CMP(VP1, VP2, NULL) : 0)) 1375*8329232eSGordon Ross #endif 1376*8329232eSGordon Ross 1377*8329232eSGordon Ross /* 1378*8329232eSGordon Ross * Some well-known global vnodes used by the VM system to name pages. 1379*8329232eSGordon Ross */ 1380*8329232eSGordon Ross extern struct vnode kvps[]; 1381*8329232eSGordon Ross 1382*8329232eSGordon Ross typedef enum { 1383*8329232eSGordon Ross KV_KVP, /* vnode for all segkmem pages */ 1384*8329232eSGordon Ross KV_ZVP, /* vnode for all ZFS pages */ 1385*8329232eSGordon Ross #if defined(__sparc) 1386*8329232eSGordon Ross KV_MPVP, /* vnode for all page_t meta-pages */ 1387*8329232eSGordon Ross KV_PROMVP, /* vnode for all PROM pages */ 1388*8329232eSGordon Ross #endif /* __sparc */ 1389*8329232eSGordon Ross KV_MAX /* total number of vnodes in kvps[] */ 1390*8329232eSGordon Ross } kvps_index_t; 1391*8329232eSGordon Ross 1392*8329232eSGordon Ross #define VN_ISKAS(vp) ((vp) >= &kvps[0] && (vp) < &kvps[KV_MAX]) 1393*8329232eSGordon Ross 1394*8329232eSGordon Ross #endif /* _KERNEL */ 1395*8329232eSGordon Ross 1396*8329232eSGordon Ross /* 1397*8329232eSGordon Ross * Flags to VOP_SETATTR/VOP_GETATTR. 1398*8329232eSGordon Ross */ 1399*8329232eSGordon Ross #define ATTR_UTIME 0x01 /* non-default utime(2) request */ 1400*8329232eSGordon Ross #define ATTR_EXEC 0x02 /* invocation from exec(2) */ 1401*8329232eSGordon Ross #define ATTR_COMM 0x04 /* yield common vp attributes */ 1402*8329232eSGordon Ross #define ATTR_HINT 0x08 /* information returned will be `hint' */ 1403*8329232eSGordon Ross #define ATTR_REAL 0x10 /* yield attributes of the real vp */ 1404*8329232eSGordon Ross #define ATTR_NOACLCHECK 0x20 /* Don't check ACL when checking permissions */ 1405*8329232eSGordon Ross #define ATTR_TRIGGER 0x40 /* Mount first if vnode is a trigger mount */ 1406*8329232eSGordon Ross /* 1407*8329232eSGordon Ross * Generally useful macros. 1408*8329232eSGordon Ross */ 1409*8329232eSGordon Ross #define VBSIZE(vp) ((vp)->v_vfsp->vfs_bsize) 1410*8329232eSGordon Ross 1411*8329232eSGordon Ross #define VTOZONE(vp) ((vp)->v_vfsp->vfs_zone) 1412*8329232eSGordon Ross 1413*8329232eSGordon Ross #define NULLVP ((struct vnode *)0) 1414*8329232eSGordon Ross #define NULLVPP ((struct vnode **)0) 1415*8329232eSGordon Ross 1416*8329232eSGordon Ross #ifdef _KERNEL 1417*8329232eSGordon Ross 1418*8329232eSGordon Ross /* 1419*8329232eSGordon Ross * Structure used while handling asynchronous VOP_PUTPAGE operations. 1420*8329232eSGordon Ross */ 1421*8329232eSGordon Ross struct async_reqs { 1422*8329232eSGordon Ross struct async_reqs *a_next; /* pointer to next arg struct */ 1423*8329232eSGordon Ross struct vnode *a_vp; /* vnode pointer */ 1424*8329232eSGordon Ross u_offset_t a_off; /* offset in file */ 1425*8329232eSGordon Ross uint_t a_len; /* size of i/o request */ 1426*8329232eSGordon Ross int a_flags; /* flags to indicate operation type */ 1427*8329232eSGordon Ross struct cred *a_cred; /* cred pointer */ 1428*8329232eSGordon Ross ushort_t a_prealloced; /* set if struct is pre-allocated */ 1429*8329232eSGordon Ross }; 1430*8329232eSGordon Ross 1431*8329232eSGordon Ross /* 1432*8329232eSGordon Ross * VN_DISPOSE() -- given a page pointer, safely invoke VOP_DISPOSE(). 1433*8329232eSGordon Ross * Note that there is no guarantee that the page passed in will be 1434*8329232eSGordon Ross * freed. If that is required, then a check after calling VN_DISPOSE would 1435*8329232eSGordon Ross * be necessary to ensure the page was freed. 1436*8329232eSGordon Ross */ 1437*8329232eSGordon Ross #define VN_DISPOSE(pp, flag, dn, cr) { \ 1438*8329232eSGordon Ross if ((pp)->p_vnode != NULL && !VN_ISKAS((pp)->p_vnode)) \ 1439*8329232eSGordon Ross VOP_DISPOSE((pp)->p_vnode, (pp), (flag), (dn), (cr), NULL); \ 1440*8329232eSGordon Ross else if ((flag) == B_FREE) \ 1441*8329232eSGordon Ross page_free((pp), (dn)); \ 1442*8329232eSGordon Ross else \ 1443*8329232eSGordon Ross page_destroy((pp), (dn)); \ 1444*8329232eSGordon Ross } 1445*8329232eSGordon Ross 1446*8329232eSGordon Ross #endif /* _KERNEL */ 1447*8329232eSGordon Ross 1448*8329232eSGordon Ross #ifdef __cplusplus 1449*8329232eSGordon Ross } 1450*8329232eSGordon Ross #endif 1451*8329232eSGordon Ross 1452*8329232eSGordon Ross #endif /* _SYS_VNODE_H */ 1453