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/*********************************************************
* Copyright (C) 2006 VMware, Inc. All rights reserved.
*
* 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 version 2 and no later version.
*
* 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, write to the Free Software Foundation, Inc.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*********************************************************/
/*
* fsutil.h --
*
* Functions used in more than one type of filesystem operation will be
* exported from this file.
*/
#ifndef _HGFS_DRIVER_FSUTIL_H_
#define _HGFS_DRIVER_FSUTIL_H_
/* Must come before any kernel header file. */
#include "driver-config.h"
#include <linux/signal.h>
#include "compat_fs.h"
#include "inode.h"
#include "request.h"
#include "vm_basic_types.h"
#include "hgfsProto.h"
/*
* Struct used to pass around attributes that Linux cares about.
* These aren't just the attributes seen in HgfsAttr[V2]; we add a filename
* pointer for convenience (used by SearchRead and Getattr).
*/
typedef struct HgfsAttrInfo {
HgfsOp requestType;
HgfsAttrValid mask;
HgfsFileType type; /* File type */
uint64 size; /* File size (in bytes) */
uint64 accessTime; /* Time of last access */
uint64 writeTime; /* Time of last write */
uint64 attrChangeTime; /* Time file attributes were last changed */
HgfsPermissions specialPerms; /* Special permissions bits */
HgfsPermissions ownerPerms; /* Owner permissions bits */
HgfsPermissions groupPerms; /* Group permissions bits */
HgfsPermissions otherPerms; /* Other permissions bits */
HgfsPermissions effectivePerms; /* Permissions in effect for the user on the
host. */
uint32 userId; /* UID */
uint32 groupId; /* GID */
uint64 hostFileId; /* Inode number */
} HgfsAttrInfo;
/* Public functions (with respect to the entire module). */
int HgfsUnpackCommonAttr(HgfsReq *req,
HgfsAttrInfo *attr);
void HgfsChangeFileAttributes(struct inode *inode,
HgfsAttrInfo const *attr);
int HgfsPrivateGetattr(struct dentry *dentry,
HgfsAttrInfo *attr,
char **fileName);
struct inode *HgfsIget(struct super_block *sb,
ino_t ino,
HgfsAttrInfo const *attr);
int HgfsInstantiate(struct dentry *dentry,
ino_t ino,
HgfsAttrInfo const *attr);
int HgfsBuildPath(char *buffer,
size_t bufferLen,
struct dentry *dentry);
void HgfsDentryAgeReset(struct dentry *dentry);
void HgfsDentryAgeForce(struct dentry *dentry);
int HgfsGetOpenMode(uint32 flags);
int HgfsGetOpenFlags(uint32 flags);
int HgfsCreateFileInfo(struct file *file,
HgfsHandle handle);
void HgfsReleaseFileInfo(struct file *file);
int HgfsGetHandle(struct inode *inode,
HgfsOpenMode mode,
HgfsHandle *handle);
int HgfsStatusConvertToLinux(HgfsStatus hgfsStatus);
void HgfsSetUidGid(struct inode *parent,
struct dentry *dentry,
uid_t uid,
gid_t gid);
struct inode *HgfsGetInode(struct super_block *sb, ino_t ino);
void HgfsDoReadInode(struct inode *inode);
#endif // _HGFS_DRIVER_FSUTIL_H_
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