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/* $Id$ */
/** @file
* VirtualBox File System for Solaris Guests, VNode header.
*/
/*
* Copyright (C) 2009-2022 Oracle and/or its affiliates.
*
* This file is part of VirtualBox base platform packages, as
* available from https://www.virtualbox.org.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation, in version 3 of the
* License.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <https://www.gnu.org/licenses>.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
* in the VirtualBox distribution, in which case the provisions of the
* CDDL are applicable instead of those of the GPL.
*
* You may elect to license modified versions of this file under the
* terms and conditions of either the GPL or the CDDL or both.
*
* SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
*/
#ifndef GA_INCLUDED_SRC_solaris_SharedFolders_vboxfs_vnode_h
#define GA_INCLUDED_SRC_solaris_SharedFolders_vboxfs_vnode_h
#ifndef RT_WITHOUT_PRAGMA_ONCE
# pragma once
#endif
#include <sys/t_lock.h>
#include <sys/avl.h>
#include <vm/seg.h>
#include <vm/seg_vn.h>
#ifdef __cplusplus
extern "C" {
#endif
/*
* sfnode is the file system dependent vnode data for vboxsf.
* sfnode's also track all files ever accessed, both open and closed.
* It duplicates some of the information in vnode, since it holds
* information for files that may have been completely closed.
*
* The sfnode_t's are stored in an AVL tree sorted by:
* sf_sffs, sf_path
*/
typedef struct sfnode {
avl_node_t sf_linkage; /* AVL tree linkage */
struct sffs_data *sf_sffs; /* containing mounted file system */
char *sf_path; /* full pathname to file or dir */
uint64_t sf_ino; /* assigned unique ID number */
vnode_t *sf_vnode; /* vnode if active */
sfp_file_t *sf_file; /* non NULL if open */
int sf_flag; /* last opened file-mode. */
struct sfnode *sf_parent; /* parent sfnode of this one */
uint16_t sf_children; /* number of children sfnodes */
uint8_t sf_type; /* VDIR or VREG */
uint8_t sf_is_stale; /* this is stale and should be purged */
sffs_stat_t sf_stat; /* cached file attrs for this node */
uint64_t sf_stat_time; /* last-modified time of sf_stat */
sffs_dirents_t *sf_dir_list; /* list of entries for this directory */
} sfnode_t;
#define VN2SFN(vp) ((sfnode_t *)(vp)->v_data)
#ifdef _KERNEL
extern int sffs_vnode_init(void);
extern void sffs_vnode_fini(void);
extern sfnode_t *sfnode_make(struct sffs_data *, char *, vtype_t, sfp_file_t *,
sfnode_t *parent, sffs_stat_t *, uint64_t stat_time);
extern vnode_t *sfnode_get_vnode(sfnode_t *);
/*
* Purge all cached information about a shared file system at unmount
*/
extern int sffs_purge(struct sffs_data *);
extern kmutex_t sffs_lock;
#endif /* _KERNEL */
#ifdef __cplusplus
}
#endif
#endif /* !GA_INCLUDED_SRC_solaris_SharedFolders_vboxfs_vnode_h */
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