| 1 | /* $Id: vboxfs_vnode.h 28800 2010-04-27 08:22:32Z vboxsync $ */
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| 2 | /** @file
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| 3 | * VirtualBox File System for Solaris Guests, VNode header.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2009-2010 Oracle Corporation
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License (GPL) as published by the Free Software
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| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | */
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| 17 |
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| 18 | #ifndef ___VBoxFS_node_Solaris_h
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| 19 | #define ___VBoxFS_node_Solaris_h
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| 20 |
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| 21 | #include <sys/t_lock.h>
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| 22 | #include <sys/avl.h>
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| 23 | #include <vm/seg.h>
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| 24 | #include <vm/seg_vn.h>
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| 25 |
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| 26 | #ifdef __cplusplus
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| 27 | extern "C" {
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| 28 | #endif
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| 29 |
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| 30 | /*
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| 31 | * sfnode is the file system dependent vnode data for vboxsf.
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| 32 | * sfnode's also track all files ever accessed, both open and closed.
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| 33 | * It duplicates some of the information in vnode, since it holds
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| 34 | * information for files that may have been completely closed.
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| 35 | *
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| 36 | * The sfnode_t's are stored in an AVL tree sorted by:
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| 37 | * sf_sffs, sf_path
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| 38 | */
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| 39 | typedef struct sfnode {
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| 40 | avl_node_t sf_linkage; /* AVL tree linkage */
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| 41 | struct sffs_data *sf_sffs; /* containing mounted file system */
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| 42 | char *sf_path; /* full pathname to file or dir */
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| 43 | uint64_t sf_ino; /* assigned unique ID number */
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| 44 | vnode_t *sf_vnode; /* vnode if active */
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| 45 | sfp_file_t *sf_file; /* non NULL if open */
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| 46 | struct sfnode *sf_parent; /* parent sfnode of this one */
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| 47 | uint16_t sf_children; /* number of children sfnodes */
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| 48 | uint8_t sf_type; /* VDIR or VREG */
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| 49 | uint8_t sf_is_stale; /* this is stale and should be purged */
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| 50 | } sfnode_t;
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| 51 |
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| 52 | #define VN2SFN(vp) ((sfnode_t *)(vp)->v_data)
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| 53 |
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| 54 | #ifdef _KERNEL
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| 55 | extern int sffs_vnode_init(void);
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| 56 | extern void sffs_vnode_fini(void);
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| 57 | extern sfnode_t *sfnode_make(struct sffs_data *, char *, vtype_t, sfp_file_t *,
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| 58 | sfnode_t *parent);
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| 59 | extern vnode_t *sfnode_get_vnode(sfnode_t *);
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| 60 |
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| 61 | /*
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| 62 | * Purge all cached information about a shared file system at unmount
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| 63 | */
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| 64 | extern int sffs_purge(struct sffs_data *);
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| 65 |
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| 66 | extern kmutex_t sffs_lock;
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| 67 | #endif /* _KERNEL */
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| 68 |
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| 69 | #ifdef __cplusplus
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| 70 | }
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| 71 | #endif
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| 72 |
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| 73 | #endif /* !___VBoxFS_node_Solaris_h */
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