1168404Spjd/*- 2168404Spjd * Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org> 3168404Spjd * All rights reserved. 4168404Spjd * 5168404Spjd * Redistribution and use in source and binary forms, with or without 6168404Spjd * modification, are permitted provided that the following conditions 7168404Spjd * are met: 8168404Spjd * 1. Redistributions of source code must retain the above copyright 9168404Spjd * notice, this list of conditions and the following disclaimer. 10168404Spjd * 2. Redistributions in binary form must reproduce the above copyright 11168404Spjd * notice, this list of conditions and the following disclaimer in the 12168404Spjd * documentation and/or other materials provided with the distribution. 13168404Spjd * 14168404Spjd * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND 15168404Spjd * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16168404Spjd * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17168404Spjd * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE 18168404Spjd * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19168404Spjd * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20168404Spjd * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21168404Spjd * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22168404Spjd * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23168404Spjd * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24168404Spjd * SUCH DAMAGE. 25168404Spjd * 26168404Spjd * $FreeBSD: stable/11/sys/cddl/compat/opensolaris/sys/vnode.h 318716 2017-05-23 07:27:30Z markj $ 27168404Spjd */ 28168404Spjd 29168404Spjd#ifndef _OPENSOLARIS_SYS_VNODE_H_ 30168404Spjd#define _OPENSOLARIS_SYS_VNODE_H_ 31168404Spjd 32219089Spjd#ifdef _KERNEL 33219089Spjd 34185029Spjdstruct vnode; 35185029Spjdstruct vattr; 36185029Spjd 37185029Spjdtypedef struct vnode vnode_t; 38185029Spjdtypedef struct vattr vattr_t; 39185029Spjdtypedef enum vtype vtype_t; 40185029Spjd 41185029Spjd#include <sys/namei.h> 42185029Spjdenum symfollow { NO_FOLLOW = NOFOLLOW }; 43185029Spjd 44185029Spjd#include <sys/proc.h> 45168404Spjd#include_next <sys/vnode.h> 46168404Spjd#include <sys/mount.h> 47168404Spjd#include <sys/cred.h> 48168404Spjd#include <sys/fcntl.h> 49185029Spjd#include <sys/file.h> 50168404Spjd#include <sys/filedesc.h> 51168404Spjd#include <sys/syscallsubr.h> 52168404Spjd 53168404Spjdtypedef struct vop_vector vnodeops_t; 54209962Smm#define VOP_FID VOP_VPTOFH 55168404Spjd#define vop_fid vop_vptofh 56168404Spjd#define vop_fid_args vop_vptofh_args 57168404Spjd#define a_fid a_fhp 58168404Spjd 59185029Spjd#define IS_XATTRDIR(dvp) (0) 60185029Spjd 61168404Spjd#define v_count v_usecount 62168404Spjd 63198703Spjd#define V_APPEND VAPPEND 64198703Spjd 65219089Spjd#define rootvfs (rootvnode == NULL ? NULL : rootvnode->v_mount) 66219089Spjd 67168404Spjdstatic __inline int 68168404Spjdvn_is_readonly(vnode_t *vp) 69168404Spjd{ 70168404Spjd return (vp->v_mount->mnt_flag & MNT_RDONLY); 71168404Spjd} 72168404Spjd#define vn_vfswlock(vp) (0) 73168404Spjd#define vn_vfsunlock(vp) do { } while (0) 74168404Spjd#define vn_ismntpt(vp) ((vp)->v_type == VDIR && (vp)->v_mountedhere != NULL) 75168404Spjd#define vn_mountedvfs(vp) ((vp)->v_mountedhere) 76212657Savg#define vn_has_cached_data(vp) \ 77219089Spjd ((vp)->v_object != NULL && \ 78318716Smarkj (vp)->v_object->resident_page_count > 0) 79185029Spjd#define vn_exists(vp) do { } while (0) 80185029Spjd#define vn_invalid(vp) do { } while (0) 81185029Spjd#define vn_renamepath(tdvp, svp, tnm, lentnm) do { } while (0) 82185029Spjd#define vn_free(vp) do { } while (0) 83212694Smm#define vn_matchops(vp, vops) ((vp)->v_op == &(vops)) 84168404Spjd 85168404Spjd#define VN_HOLD(v) vref(v) 86168404Spjd#define VN_RELE(v) vrele(v) 87168404Spjd#define VN_URELE(v) vput(v) 88168404Spjd 89185029Spjd#define vnevent_create(vp, ct) do { } while (0) 90185029Spjd#define vnevent_link(vp, ct) do { } while (0) 91185029Spjd#define vnevent_remove(vp, dvp, name, ct) do { } while (0) 92185029Spjd#define vnevent_rmdir(vp, dvp, name, ct) do { } while (0) 93185029Spjd#define vnevent_rename_src(vp, dvp, name, ct) do { } while (0) 94185029Spjd#define vnevent_rename_dest(vp, dvp, name, ct) do { } while (0) 95185029Spjd#define vnevent_rename_dest_dir(vp, ct) do { } while (0) 96168962Spjd 97168962Spjd#define specvp(vp, rdev, type, cr) (VN_HOLD(vp), (vp)) 98219089Spjd#define MANDMODE(mode) (0) 99219089Spjd#define MANDLOCK(vp, mode) (0) 100168962Spjd#define chklock(vp, op, offset, size, mode, ct) (0) 101168962Spjd#define cleanlocks(vp, pid, foo) do { } while (0) 102168962Spjd#define cleanshares(vp, pid) do { } while (0) 103168962Spjd 104168404Spjd/* 105168404Spjd * We will use va_spare is place of Solaris' va_mask. 106168404Spjd * This field is initialized in zfs_setattr(). 107168404Spjd */ 108168404Spjd#define va_mask va_spare 109168404Spjd/* TODO: va_fileid is shorter than va_nodeid !!! */ 110168404Spjd#define va_nodeid va_fileid 111168404Spjd/* TODO: This field needs conversion! */ 112168404Spjd#define va_nblocks va_bytes 113168404Spjd#define va_blksize va_blocksize 114168404Spjd#define va_seq va_gen 115168404Spjd 116168962Spjd#define MAXOFFSET_T OFF_MAX 117168962Spjd#define EXCL 0 118168962Spjd 119168404Spjd#define ACCESSED (AT_ATIME) 120168404Spjd#define STATE_CHANGED (AT_CTIME) 121168404Spjd#define CONTENT_MODIFIED (AT_MTIME | AT_CTIME) 122168404Spjd 123168404Spjdstatic __inline void 124168404Spjdvattr_init_mask(vattr_t *vap) 125168404Spjd{ 126168404Spjd 127168404Spjd vap->va_mask = 0; 128168404Spjd 129168404Spjd if (vap->va_type != VNON) 130168404Spjd vap->va_mask |= AT_TYPE; 131168404Spjd if (vap->va_uid != (uid_t)VNOVAL) 132168404Spjd vap->va_mask |= AT_UID; 133168404Spjd if (vap->va_gid != (gid_t)VNOVAL) 134168404Spjd vap->va_mask |= AT_GID; 135168404Spjd if (vap->va_size != (u_quad_t)VNOVAL) 136168404Spjd vap->va_mask |= AT_SIZE; 137168404Spjd if (vap->va_atime.tv_sec != VNOVAL) 138168404Spjd vap->va_mask |= AT_ATIME; 139168404Spjd if (vap->va_mtime.tv_sec != VNOVAL) 140168404Spjd vap->va_mask |= AT_MTIME; 141168404Spjd if (vap->va_mode != (u_short)VNOVAL) 142168404Spjd vap->va_mask |= AT_MODE; 143185029Spjd if (vap->va_flags != VNOVAL) 144185029Spjd vap->va_mask |= AT_XVATTR; 145168404Spjd} 146168404Spjd 147185029Spjd#define FCREAT O_CREAT 148185029Spjd#define FTRUNC O_TRUNC 149219089Spjd#define FEXCL O_EXCL 150185029Spjd#define FDSYNC FFSYNC 151185029Spjd#define FRSYNC FFSYNC 152185029Spjd#define FSYNC FFSYNC 153185029Spjd#define FOFFMAX 0x00 154185029Spjd#define FIGNORECASE 0x00 155168962Spjd 156168404Spjdstatic __inline int 157185029Spjdvn_openat(char *pnamep, enum uio_seg seg, int filemode, int createmode, 158185029Spjd vnode_t **vpp, enum create crwhy, mode_t umask, struct vnode *startvp, 159185029Spjd int fd) 160168404Spjd{ 161168404Spjd struct thread *td = curthread; 162168404Spjd struct nameidata nd; 163185029Spjd int error, operation; 164168404Spjd 165168404Spjd ASSERT(seg == UIO_SYSSPACE); 166185029Spjd if ((filemode & FCREAT) != 0) { 167185029Spjd ASSERT(filemode == (FWRITE | FCREAT | FTRUNC | FOFFMAX)); 168185029Spjd ASSERT(crwhy == CRCREAT); 169185029Spjd operation = CREATE; 170185029Spjd } else { 171219089Spjd ASSERT(filemode == (FREAD | FOFFMAX) || 172219089Spjd filemode == (FREAD | FWRITE | FOFFMAX)); 173185029Spjd ASSERT(crwhy == 0); 174185029Spjd operation = LOOKUP; 175185029Spjd } 176168404Spjd ASSERT(umask == 0); 177168404Spjd 178285391Smjg pwd_ensure_dirs(); 179168404Spjd 180185029Spjd if (startvp != NULL) 181185029Spjd vref(startvp); 182241896Skib NDINIT_ATVP(&nd, operation, 0, UIO_SYSSPACE, pnamep, startvp, td); 183185319Spjd filemode |= O_NOFOLLOW; 184194586Skib error = vn_open_cred(&nd, &filemode, createmode, 0, td->td_ucred, NULL); 185168404Spjd NDFREE(&nd, NDF_ONLY_PNBUF); 186168404Spjd if (error == 0) { 187168404Spjd /* We just unlock so we hold a reference. */ 188175294Sattilio VOP_UNLOCK(nd.ni_vp, 0); 189168404Spjd *vpp = nd.ni_vp; 190168404Spjd } 191168404Spjd return (error); 192168404Spjd} 193185029Spjd 194185029Spjdstatic __inline int 195185029Spjdzfs_vn_open(char *pnamep, enum uio_seg seg, int filemode, int createmode, 196185029Spjd vnode_t **vpp, enum create crwhy, mode_t umask) 197185029Spjd{ 198185029Spjd 199185029Spjd return (vn_openat(pnamep, seg, filemode, createmode, vpp, crwhy, 200185029Spjd umask, NULL, -1)); 201185029Spjd} 202168404Spjd#define vn_open(pnamep, seg, filemode, createmode, vpp, crwhy, umask) \ 203168404Spjd zfs_vn_open((pnamep), (seg), (filemode), (createmode), (vpp), (crwhy), (umask)) 204168404Spjd 205168404Spjd#define RLIM64_INFINITY 0 206168404Spjdstatic __inline int 207168404Spjdzfs_vn_rdwr(enum uio_rw rw, vnode_t *vp, caddr_t base, ssize_t len, 208168404Spjd offset_t offset, enum uio_seg seg, int ioflag, int ulimit, cred_t *cr, 209168404Spjd ssize_t *residp) 210168404Spjd{ 211168404Spjd struct thread *td = curthread; 212241896Skib int error; 213231949Skib ssize_t resid; 214168404Spjd 215168404Spjd ASSERT(ioflag == 0); 216168404Spjd ASSERT(ulimit == RLIM64_INFINITY); 217168404Spjd 218185029Spjd if (rw == UIO_WRITE) { 219185029Spjd ioflag = IO_SYNC; 220185029Spjd } else { 221185029Spjd ioflag = IO_DIRECT; 222185029Spjd } 223168404Spjd error = vn_rdwr(rw, vp, base, len, offset, seg, ioflag, cr, NOCRED, 224168404Spjd &resid, td); 225168404Spjd if (residp != NULL) 226168404Spjd *residp = (ssize_t)resid; 227168404Spjd return (error); 228168404Spjd} 229168404Spjd#define vn_rdwr(rw, vp, base, len, offset, seg, ioflag, ulimit, cr, residp) \ 230168404Spjd zfs_vn_rdwr((rw), (vp), (base), (len), (offset), (seg), (ioflag), (ulimit), (cr), (residp)) 231168404Spjd 232168404Spjdstatic __inline int 233168404Spjdzfs_vop_fsync(vnode_t *vp, int flag, cred_t *cr) 234168404Spjd{ 235168404Spjd struct mount *mp; 236241896Skib int error; 237168404Spjd 238168404Spjd ASSERT(flag == FSYNC); 239168404Spjd 240168404Spjd if ((error = vn_start_write(vp, &mp, V_WAIT | PCATCH)) != 0) 241168404Spjd goto drop; 242175202Sattilio vn_lock(vp, LK_EXCLUSIVE | LK_RETRY); 243175294Sattilio error = VOP_FSYNC(vp, MNT_WAIT, curthread); 244175294Sattilio VOP_UNLOCK(vp, 0); 245168404Spjd vn_finished_write(mp); 246168404Spjddrop: 247168404Spjd return (error); 248168404Spjd} 249185029Spjd#define VOP_FSYNC(vp, flag, cr, ct) zfs_vop_fsync((vp), (flag), (cr)) 250168404Spjd 251168404Spjdstatic __inline int 252168404Spjdzfs_vop_close(vnode_t *vp, int flag, int count, offset_t offset, cred_t *cr) 253168404Spjd{ 254241896Skib int error; 255168404Spjd 256168404Spjd ASSERT(count == 1); 257168404Spjd ASSERT(offset == 0); 258168404Spjd 259185319Spjd error = vn_close(vp, flag, cr, curthread); 260185319Spjd return (error); 261168404Spjd} 262185029Spjd#define VOP_CLOSE(vp, oflags, count, offset, cr, ct) \ 263168404Spjd zfs_vop_close((vp), (oflags), (count), (offset), (cr)) 264168404Spjd 265168404Spjdstatic __inline int 266168404Spjdvn_rename(char *from, char *to, enum uio_seg seg) 267168404Spjd{ 268168404Spjd 269168404Spjd ASSERT(seg == UIO_SYSSPACE); 270168404Spjd 271274476Skib return (kern_renameat(curthread, AT_FDCWD, from, AT_FDCWD, to, seg)); 272168404Spjd} 273168404Spjd 274168404Spjdstatic __inline int 275168404Spjdvn_remove(char *fnamep, enum uio_seg seg, enum rm dirflag) 276168404Spjd{ 277168404Spjd 278168404Spjd ASSERT(seg == UIO_SYSSPACE); 279168404Spjd ASSERT(dirflag == RMFILE); 280168404Spjd 281274476Skib return (kern_unlinkat(curthread, AT_FDCWD, fnamep, seg, 0)); 282168404Spjd} 283168404Spjd 284219089Spjd#endif /* _KERNEL */ 285219089Spjd 286168404Spjd#endif /* _OPENSOLARIS_SYS_VNODE_H_ */ 287