sys/fs/smbfs/smbfs_node.h

   1 /*      $NetBSD: smbfs_node.h,v 1.11 2006/05/14 21:31:52 elad Exp $     */
   2
   3 /*
   4  * Copyright (c) 2000-2001, Boris Popov
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3. All advertising materials mentioning features or use of this software
  16  *    must display the following acknowledgement:
  17  *    This product includes software developed by Boris Popov.
  18  * 4. Neither the name of the author nor the names of any co-contributors
  19  *    may be used to endorse or promote products derived from this software
  20  *    without specific prior written permission.
  21  *
  22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  32  * SUCH DAMAGE.
  33  *
  34  * FreeBSD: src/sys/fs/smbfs/smbfs_node.h,v 1.1 2001/04/10 07:59:05 bp Exp
  35  */
  36 #ifndef _FS_SMBFS_SMBFS_NODE_H_
  37 #define _FS_SMBFS_SMBFS_NODE_H_
  38
  39 #include <sys/hash.h>                   /* for hash32_strn() */
  40 #include <miscfs/genfs/genfs_node.h>    /* for struct genfs_node */
  41
  42 #define SMBFS_ROOT_INO          2       /* just like in UFS */
  43
  44 /* Bits for smbnode.n_flag */
  45 #define NFLUSHINPROG            0x0001
  46 #define NFLUSHWANT              0x0002  /* they should gone ... */
  47 #define NMODIFIED               0x0004  /* bogus, until async IO implemented */
  48 /*efine NNEW                    0x0008*//* smb/vnode has been allocated */
  49 #define NREFPARENT              0x0010  /* node holds parent from recycling */
  50 #define NOPEN                   0x2000  /* file is open */
  51
  52 #define SMBFS_ATTRTIMO          5       /* Attribute cache timeout in sec */
  53
  54 struct smbfs_fctx;
  55
  56 struct smbnode {
  57         struct genfs_node       n_gnode;
  58         int                     n_flag;
  59         struct vnode *          n_parent;
  60         struct vnode *          n_vnode;
  61         struct smbmount *       n_mount;
  62         time_t                  n_attrage;      /* attributes cache time */
  63         time_t                  n_ctime;        /* Prev create time. */
  64         time_t                  n_nctime;       /* last neg cache entry (dir) */
  65         struct timespec         n_mtime;        /* modify time */
  66         struct timespec         n_atime;        /* last access time */
  67         u_quad_t                n_size;
  68         long                    n_ino;
  69         int                     n_dosattr;
  70         u_int16_t               n_fid;          /* file handle */
  71         int                     n_rwstate;      /* granted access mode */
  72         u_char                  n_nmlen;
  73         u_char *                n_name;
  74         struct smbfs_fctx *     n_dirseq;       /* ff context */
  75         long                    n_dirofs;       /* last ff offset */
  76         struct lockf *          n_lockf;        /* Locking records of file */
  77         LIST_ENTRY(smbnode)     n_hash;
  78 };
  79
  80 #define VTOSMB(vp)      ((struct smbnode *)(vp)->v_data)
  81 #define SMBTOV(np)      ((struct vnode *)(np)->n_vnode)
  82
  83 struct smbfattr;
  84
  85 int  smbfs_inactive(void *);
  86 int  smbfs_reclaim(void *);
  87 int smbfs_nget(struct mount *, struct vnode *, const char *, int,
  88     struct smbfattr *, struct vnode **);
  89 #define smbfs_hash(x, y)        hash32_strn((x), (y), HASH32_STR_INIT)
  90
  91 int  smbfs_readvnode(struct vnode *, struct uio *, kauth_cred_t);
  92 int  smbfs_writevnode(struct vnode *, struct uio *, kauth_cred_t, int);
  93 void smbfs_attr_cacheenter(struct vnode *, struct smbfattr *);
  94 int  smbfs_attr_cachelookup(struct vnode * ,struct vattr *);
  95
  96 #define smbfs_attr_cacheremove(vp)      VTOSMB(vp)->n_attrage = 0
  97
  98 #endif /* _FS_SMBFS_SMBFS_NODE_H_ */