include/os/freebsd/spl/sys/vnode.h

   1 /*
   2  * Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org>
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
  15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
  18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  24  * SUCH DAMAGE.
  25  *
  26  * $FreeBSD$
  27  */
  28
  29 #ifndef _OPENSOLARIS_SYS_VNODE_H_
  30 #define _OPENSOLARIS_SYS_VNODE_H_
  31
  32 struct vnode;
  33 struct vattr;
  34 struct xucred;
  35
  36 typedef struct flock    flock64_t;
  37 typedef struct vnode    vnode_t;
  38 typedef struct vattr    vattr_t;
  39 #if __FreeBSD_version < 1400093
  40 typedef enum vtype vtype_t;
  41 #else
  42 #define vtype_t __enum_uint8(vtype)
  43 #endif
  44
  45 #include <sys/types.h>
  46 #include <sys/queue.h>
  47 #include_next <sys/sdt.h>
  48 #include <sys/namei.h>
  49 enum symfollow { NO_FOLLOW = NOFOLLOW };
  50
  51 #define NOCRED  ((struct ucred *)0)     /* no credential available */
  52 #define F_FREESP        11      /* Free file space */
  53
  54 #include <sys/proc.h>
  55 #include <sys/vnode_impl.h>
  56 #ifndef IN_BASE
  57 #include_next <sys/vnode.h>
  58 #endif
  59 #include <sys/ccompat.h>
  60 #include <sys/mount.h>
  61 #include <sys/cred.h>
  62 #include <sys/fcntl.h>
  63 #include <sys/refcount.h>
  64 #include <sys/file.h>
  65 #include <sys/filedesc.h>
  66 #include <sys/syscallsubr.h>
  67 #include <sys/vm.h>
  68 #include <vm/vm_object.h>
  69
  70 typedef struct vop_vector       vnodeops_t;
  71 #define VOP_FID         VOP_VPTOFH
  72 #define vop_fid         vop_vptofh
  73 #define vop_fid_args    vop_vptofh_args
  74 #define a_fid           a_fhp
  75
  76 #define rootvfs         (rootvnode == NULL ? NULL : rootvnode->v_mount)
  77
  78 #ifndef IN_BASE
  79 static __inline int
  80 vn_is_readonly(vnode_t *vp)
  81 {
  82         return (vp->v_mount->mnt_flag & MNT_RDONLY);
  83 }
  84 #endif
  85 #define vn_vfswlock(vp)         (0)
  86 #define vn_vfsunlock(vp)        do { } while (0)
  87 #define vn_ismntpt(vp)     \
  88         ((vp)->v_type == VDIR && (vp)->v_mountedhere != NULL)
  89 #define vn_mountedvfs(vp)       ((vp)->v_mountedhere)
  90 #define vn_has_cached_data(vp)  \
  91         ((vp)->v_object != NULL && \
  92         (vp)->v_object->resident_page_count > 0)
  93
  94 #ifndef IN_BASE
  95 static __inline void
  96 vn_flush_cached_data(vnode_t *vp, boolean_t sync)
  97 {
  98 #if __FreeBSD_version > 1300054
  99         if (vm_object_mightbedirty(vp->v_object)) {
 100 #else
 101         if (vp->v_object->flags & OBJ_MIGHTBEDIRTY) {
 102 #endif
 103                 int flags = sync ? OBJPC_SYNC : 0;
 104                 vn_lock(vp, LK_SHARED | LK_RETRY);
 105                 zfs_vmobject_wlock(vp->v_object);
 106                 vm_object_page_clean(vp->v_object, 0, 0, flags);
 107                 zfs_vmobject_wunlock(vp->v_object);
 108                 VOP_UNLOCK1(vp);
 109         }
 110 }
 111 #endif
 112
 113 #define vn_exists(vp)           do { } while (0)
 114 #define vn_invalid(vp)          do { } while (0)
 115 #define vn_free(vp)             do { } while (0)
 116 #define vn_matchops(vp, vops)   ((vp)->v_op == &(vops))
 117
 118 #define VN_HOLD(v)      vref(v)
 119 #define VN_RELE(v)      vrele(v)
 120 #define VN_URELE(v)     vput(v)
 121
 122 #define vnevent_create(vp, ct)                  do { } while (0)
 123 #define vnevent_link(vp, ct)                    do { } while (0)
 124 #define vnevent_remove(vp, dvp, name, ct)       do { } while (0)
 125 #define vnevent_rmdir(vp, dvp, name, ct)        do { } while (0)
 126 #define vnevent_rename_src(vp, dvp, name, ct)   do { } while (0)
 127 #define vnevent_rename_dest(vp, dvp, name, ct)  do { } while (0)
 128 #define vnevent_rename_dest_dir(vp, ct)         do { } while (0)
 129
 130 #define specvp(vp, rdev, type, cr)      (VN_HOLD(vp), (vp))
 131 #define MANDLOCK(vp, mode)      (0)
 132
 133 /*
 134  * We will use va_spare is place of Solaris' va_mask.
 135  * This field is initialized in zfs_setattr().
 136  */
 137 #define va_mask         va_spare
 138 /* TODO: va_fileid is shorter than va_nodeid !!! */
 139 #define va_nodeid       va_fileid
 140 /* TODO: This field needs conversion! */
 141 #define va_nblocks      va_bytes
 142 #define va_blksize      va_blocksize
 143
 144 #define MAXOFFSET_T     OFF_MAX
 145
 146 #define FIGNORECASE     0x00
 147
 148 /*
 149  * Attributes of interest to the caller of setattr or getattr.
 150  */
 151
 152 #undef AT_UID
 153 #undef AT_GID
 154
 155 #define AT_MODE         0x00002
 156 #define AT_UID          0x00004
 157 #define AT_GID          0x00008
 158 #define AT_FSID         0x00010
 159 #define AT_NODEID       0x00020
 160 #define AT_NLINK        0x00040
 161 #define AT_SIZE         0x00080
 162 #define AT_ATIME        0x00100
 163 #define AT_MTIME        0x00200
 164 #define AT_CTIME        0x00400
 165 #define AT_RDEV         0x00800
 166 #define AT_BLKSIZE      0x01000
 167 #define AT_NBLOCKS      0x02000
 168 /*                      0x04000 */      /* unused */
 169 #define AT_SEQ          0x08000
 170 /*
 171  * If AT_XVATTR is set then there are additional bits to process in
 172  * the xvattr_t's attribute bitmap.  If this is not set then the bitmap
 173  * MUST be ignored.  Note that this bit must be set/cleared explicitly.
 174  * That is, setting AT_ALL will NOT set AT_XVATTR.
 175  */
 176 #define AT_XVATTR       0x10000
 177
 178 #define AT_ALL          (AT_MODE|AT_UID|AT_GID|AT_FSID|AT_NODEID|\
 179                         AT_NLINK|AT_SIZE|AT_ATIME|AT_MTIME|AT_CTIME|\
 180                         AT_RDEV|AT_BLKSIZE|AT_NBLOCKS|AT_SEQ)
 181
 182 #define AT_STAT         (AT_MODE|AT_UID|AT_GID|AT_FSID|AT_NODEID|AT_NLINK|\
 183                         AT_SIZE|AT_ATIME|AT_MTIME|AT_CTIME|AT_RDEV)
 184
 185 #define AT_TIMES        (AT_ATIME|AT_MTIME|AT_CTIME)
 186
 187 #define AT_NOSET        (AT_NLINK|AT_RDEV|AT_FSID|AT_NODEID|\
 188                         AT_BLKSIZE|AT_NBLOCKS|AT_SEQ)
 189
 190 #ifndef IN_BASE
 191 static __inline void
 192 vattr_init_mask(vattr_t *vap)
 193 {
 194
 195         vap->va_mask = 0;
 196
 197         if (vap->va_uid != (uid_t)VNOVAL)
 198                 vap->va_mask |= AT_UID;
 199         if (vap->va_gid != (gid_t)VNOVAL)
 200                 vap->va_mask |= AT_GID;
 201         if (vap->va_size != (u_quad_t)VNOVAL)
 202                 vap->va_mask |= AT_SIZE;
 203         if (vap->va_atime.tv_sec != VNOVAL)
 204                 vap->va_mask |= AT_ATIME;
 205         if (vap->va_mtime.tv_sec != VNOVAL)
 206                 vap->va_mask |= AT_MTIME;
 207         if (vap->va_mode != (uint16_t)VNOVAL)
 208                 vap->va_mask |= AT_MODE;
 209         if (vap->va_flags != VNOVAL)
 210                 vap->va_mask |= AT_XVATTR;
 211 }
 212 #endif
 213
 214 #define         RLIM64_INFINITY 0
 215
 216 #include <sys/vfs.h>
 217
 218 #endif  /* _OPENSOLARIS_SYS_VNODE_H_ */