zig

fork of https://codeberg.org/ziglang/zig
Log | Files | Refs | README | LICENSE

smbfs_node.h (3809B) - Raw


      1 /*-
      2  * SPDX-License-Identifier: BSD-2-Clause
      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  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     26  * SUCH DAMAGE.
     27  */
     28 #ifndef _FS_SMBFS_NODE_H_
     29 #define _FS_SMBFS_NODE_H_
     30 
     31 #define	SMBFS_ROOT_INO		2	/* just like in UFS */
     32 
     33 /* Bits for smbnode.n_flag */
     34 #define	NFLUSHINPROG		0x0001
     35 #define	NFLUSHWANT		0x0002	/* they should gone ... */
     36 #define	NMODIFIED		0x0004	/* bogus, until async IO implemented */
     37 /*efine	NNEW			0x0008*//* smb/vnode has been allocated */
     38 #define	NREFPARENT		0x0010	/* node holds parent from recycling */
     39 #define	NFLUSHWIRE		0x1000	/* pending flush request */
     40 #define	NOPEN			0x2000	/* file is open */
     41 #define	NGONE			0x4000	/* file has been removed/renamed */
     42 
     43 struct smbfs_fctx;
     44 
     45 struct smbnode {
     46 	int			n_flag;
     47 	struct vnode *		n_parent;
     48 	struct vnode *		n_vnode;
     49 	struct smbmount *	n_mount;
     50 	time_t			n_attrage;	/* attributes cache time */
     51 /*	time_t			n_ctime;*/
     52 	struct timespec		n_mtime;	/* modify time */
     53 	struct timespec		n_atime;	/* last access time */
     54 	u_quad_t		n_size;
     55 	long			n_ino;
     56 	long			n_parentino;	/* parent inode number */
     57 	int			n_dosattr;
     58 	u_int16_t		n_fid;		/* file handle */
     59 	int			n_rwstate;	/* granted access mode */
     60 	int			n_rplen;
     61 	char *			n_rpath;
     62 	u_char			n_nmlen;
     63 	u_char *		n_name;
     64 	struct smbfs_fctx *	n_dirseq;	/* ff context */
     65 	long			n_dirofs;	/* last ff offset */
     66 	LIST_ENTRY(smbnode)	n_hash;
     67 };
     68 
     69 struct smbcmp {
     70 	struct vnode * 		n_parent;
     71 	int 			n_nmlen;
     72 	const char *		n_name;
     73 };
     74 
     75 #define VTOSMB(vp)	((struct smbnode *)(vp)->v_data)
     76 #define SMBTOV(np)	((struct vnode *)(np)->n_vnode)
     77 
     78 #define	SMBFS_DNP_SEP(dnp)	((dnp->n_rplen > 1) ? '\\' : '\0')
     79 
     80 struct vop_getpages_args;
     81 struct vop_inactive_args;
     82 struct vop_putpages_args;
     83 struct vop_reclaim_args;
     84 struct ucred;
     85 struct uio;
     86 struct smbfattr;
     87 
     88 int  smbfs_inactive(struct vop_inactive_args *);
     89 int  smbfs_reclaim(struct vop_reclaim_args *);
     90 int smbfs_nget(struct mount *mp, struct vnode *dvp, const char *name, int nmlen,
     91 	struct smbfattr *fap, struct vnode **vpp);
     92 u_int32_t smbfs_hash(const u_char *name, int nmlen);
     93 
     94 int  smbfs_getpages(struct vop_getpages_args *);
     95 int  smbfs_putpages(struct vop_putpages_args *);
     96 int  smbfs_readvnode(struct vnode *vp, struct uio *uiop, struct ucred *cred);
     97 int  smbfs_writevnode(struct vnode *vp, struct uio *uiop, struct ucred *cred, int ioflag);
     98 void smbfs_attr_cacheenter(struct vnode *vp, struct smbfattr *fap);
     99 int  smbfs_attr_cachelookup(struct vnode *vp ,struct vattr *va);
    100 
    101 #define smbfs_attr_cacheremove(vp)	VTOSMB(vp)->n_attrage = 0
    102 
    103 #endif /* _FS_SMBFS_NODE_H_ */