NetBSD/sys/fs/smbfs/smbfs_node.h

109 lines
4.3 KiB
C

/* $NetBSD: smbfs_node.h,v 1.15 2015/01/02 09:48:01 martin Exp $ */
/*
* Copyright (c) 2000-2001, Boris Popov
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Boris Popov.
* 4. Neither the name of the author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* FreeBSD: src/sys/fs/smbfs/smbfs_node.h,v 1.1 2001/04/10 07:59:05 bp Exp
*/
#ifndef _FS_SMBFS_SMBFS_NODE_H_
#define _FS_SMBFS_SMBFS_NODE_H_
#include <sys/hash.h> /* for hash32_strn() */
#include <miscfs/genfs/genfs_node.h> /* for struct genfs_node */
#define SMBFS_ROOT_INO 2 /* just like in UFS */
/* Bits for smbnode.n_flag */
#define NFLUSHINPROG 0x0001
#define NFLUSHWANT 0x0002 /* they should gone ... */
#define NMODIFIED 0x0004 /* bogus, until async IO implemented */
/*efine NNEW 0x0008*//* smb/vnode has been allocated */
#define NREFPARENT 0x0010 /* node holds parent from recycling */
#define NOPEN 0x2000 /* file is open */
#define NGONE 0x4000 /* file has been removed/renamed */
#define SMBFS_ATTRTIMO 5 /* Attribute cache timeout in sec */
struct smbfs_fctx;
#define SMBFS_KEYSIZE(nmlen) (sizeof(struct smbkey) + (nmlen))
struct smbkey {
struct vnode * k_parent; /* Parent vnode. */
u_char k_nmlen; /* Name length. */
u_char k_name[]; /* Name (variable length). */
} __packed;
struct smbnode {
struct genfs_node n_gnode;
kmutex_t n_lock;
struct smbkey * n_key;
int n_flag;
#define n_parent n_key->k_parent
struct vnode * n_vnode;
struct smbmount * n_mount;
time_t n_attrage; /* attributes cache time */
time_t n_ctime; /* Prev create time. */
time_t n_nctime; /* last neg cache entry (dir) */
struct timespec n_mtime; /* modify time */
struct timespec n_atime; /* last access time */
u_quad_t n_size;
long n_ino;
int n_dosattr;
u_int16_t n_fid; /* file handle */
int n_rwstate; /* granted access mode */
#define n_nmlen n_key->k_nmlen
#define n_name n_key->k_name
struct smbfs_fctx * n_dirseq; /* ff context */
long n_dirofs; /* last ff offset */
struct lockf * n_lockf; /* Locking records of file */
};
#define VTOSMB(vp) ((struct smbnode *)(vp)->v_data)
#define SMBTOV(np) ((struct vnode *)(np)->n_vnode)
struct smbfattr;
int smbfs_inactive(void *);
int smbfs_reclaim(void *);
int smbfs_loadvnode(struct mount *, struct vnode *,
const void *, size_t, const void **);
int smbfs_nget(struct mount *, struct vnode *, const char *, int,
struct smbfattr *, struct vnode **);
int smbfs_readvnode(struct vnode *, struct uio *, kauth_cred_t);
int smbfs_writevnode(struct vnode *, struct uio *, kauth_cred_t, int);
void smbfs_attr_cacheenter(struct vnode *, struct smbfattr *);
int smbfs_attr_cachelookup(struct vnode * ,struct vattr *);
#define smbfs_attr_cacheremove(vp) VTOSMB(vp)->n_attrage = 0
#endif /* _FS_SMBFS_SMBFS_NODE_H_ */