| 1 | /* $Id: vboxfs_vnode.h 106061 2024-09-16 14:03:52Z vboxsync $ */
|
|---|
| 2 | /** @file
|
|---|
| 3 | * VirtualBox File System for Solaris Guests, VNode header.
|
|---|
| 4 | */
|
|---|
| 5 |
|
|---|
| 6 | /*
|
|---|
| 7 | * Copyright (C) 2009-2024 Oracle and/or its affiliates.
|
|---|
| 8 | *
|
|---|
| 9 | * This file is part of VirtualBox base platform packages, as
|
|---|
| 10 | * available from https://www.virtualbox.org.
|
|---|
| 11 | *
|
|---|
| 12 | * This program is free software; you can redistribute it and/or
|
|---|
| 13 | * modify it under the terms of the GNU General Public License
|
|---|
| 14 | * as published by the Free Software Foundation, in version 3 of the
|
|---|
| 15 | * License.
|
|---|
| 16 | *
|
|---|
| 17 | * This program is distributed in the hope that it will be useful, but
|
|---|
| 18 | * WITHOUT ANY WARRANTY; without even the implied warranty of
|
|---|
| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|---|
| 20 | * General Public License for more details.
|
|---|
| 21 | *
|
|---|
| 22 | * You should have received a copy of the GNU General Public License
|
|---|
| 23 | * along with this program; if not, see <https://www.gnu.org/licenses>.
|
|---|
| 24 | *
|
|---|
| 25 | * The contents of this file may alternatively be used under the terms
|
|---|
| 26 | * of the Common Development and Distribution License Version 1.0
|
|---|
| 27 | * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
|
|---|
| 28 | * in the VirtualBox distribution, in which case the provisions of the
|
|---|
| 29 | * CDDL are applicable instead of those of the GPL.
|
|---|
| 30 | *
|
|---|
| 31 | * You may elect to license modified versions of this file under the
|
|---|
| 32 | * terms and conditions of either the GPL or the CDDL or both.
|
|---|
| 33 | *
|
|---|
| 34 | * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
|
|---|
| 35 | */
|
|---|
| 36 |
|
|---|
| 37 | #ifndef GA_INCLUDED_SRC_solaris_SharedFolders_vboxfs_vnode_h
|
|---|
| 38 | #define GA_INCLUDED_SRC_solaris_SharedFolders_vboxfs_vnode_h
|
|---|
| 39 | #ifndef RT_WITHOUT_PRAGMA_ONCE
|
|---|
| 40 | # pragma once
|
|---|
| 41 | #endif
|
|---|
| 42 |
|
|---|
| 43 | #include <sys/t_lock.h>
|
|---|
| 44 | #include <sys/avl.h>
|
|---|
| 45 | #include <vm/seg.h>
|
|---|
| 46 | #include <vm/seg_vn.h>
|
|---|
| 47 |
|
|---|
| 48 | #ifdef __cplusplus
|
|---|
| 49 | extern "C" {
|
|---|
| 50 | #endif
|
|---|
| 51 |
|
|---|
| 52 | /*
|
|---|
| 53 | * sfnode is the file system dependent vnode data for vboxsf.
|
|---|
| 54 | * sfnode's also track all files ever accessed, both open and closed.
|
|---|
| 55 | * It duplicates some of the information in vnode, since it holds
|
|---|
| 56 | * information for files that may have been completely closed.
|
|---|
| 57 | *
|
|---|
| 58 | * The sfnode_t's are stored in an AVL tree sorted by:
|
|---|
| 59 | * sf_sffs, sf_path
|
|---|
| 60 | */
|
|---|
| 61 | typedef struct sfnode {
|
|---|
| 62 | avl_node_t sf_linkage; /* AVL tree linkage */
|
|---|
| 63 | struct sffs_data *sf_sffs; /* containing mounted file system */
|
|---|
| 64 | char *sf_path; /* full pathname to file or dir */
|
|---|
| 65 | uint64_t sf_ino; /* assigned unique ID number */
|
|---|
| 66 | vnode_t *sf_vnode; /* vnode if active */
|
|---|
| 67 | sfp_file_t *sf_file; /* non NULL if open */
|
|---|
| 68 | int sf_flag; /* last opened file-mode. */
|
|---|
| 69 | struct sfnode *sf_parent; /* parent sfnode of this one */
|
|---|
| 70 | uint16_t sf_children; /* number of children sfnodes */
|
|---|
| 71 | uint8_t sf_type; /* VDIR or VREG */
|
|---|
| 72 | uint8_t sf_is_stale; /* this is stale and should be purged */
|
|---|
| 73 | sffs_stat_t sf_stat; /* cached file attrs for this node */
|
|---|
| 74 | uint64_t sf_stat_time; /* last-modified time of sf_stat */
|
|---|
| 75 | sffs_dirents_t *sf_dir_list; /* list of entries for this directory */
|
|---|
| 76 | } sfnode_t;
|
|---|
| 77 |
|
|---|
| 78 | #define VN2SFN(vp) ((sfnode_t *)(vp)->v_data)
|
|---|
| 79 |
|
|---|
| 80 | #ifdef _KERNEL
|
|---|
| 81 | extern int sffs_vnode_init(void);
|
|---|
| 82 | extern void sffs_vnode_fini(void);
|
|---|
| 83 | extern sfnode_t *sfnode_make(struct sffs_data *, char *, vtype_t, sfp_file_t *,
|
|---|
| 84 | sfnode_t *parent, sffs_stat_t *, uint64_t stat_time);
|
|---|
| 85 | extern vnode_t *sfnode_get_vnode(sfnode_t *);
|
|---|
| 86 |
|
|---|
| 87 | /*
|
|---|
| 88 | * Purge all cached information about a shared file system at unmount
|
|---|
| 89 | */
|
|---|
| 90 | extern int sffs_purge(struct sffs_data *);
|
|---|
| 91 |
|
|---|
| 92 | extern kmutex_t sffs_lock;
|
|---|
| 93 | #endif /* _KERNEL */
|
|---|
| 94 |
|
|---|
| 95 | #ifdef __cplusplus
|
|---|
| 96 | }
|
|---|
| 97 | #endif
|
|---|
| 98 |
|
|---|
| 99 | #endif /* !GA_INCLUDED_SRC_solaris_SharedFolders_vboxfs_vnode_h */
|
|---|
