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/*
* Copyright (c) 2025 Ian Marco Moffett and the Osmora Team.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of Hyra nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _OS_MOUNT_H_
#define _OS_MOUNT_H_ 1
#include <sys/types.h>
#include <sys/queue.h>
#include <kern/vnode.h>
/* Filesystem names */
#define MOUNT_TMPFS "tmpfs"
struct fs_info;
/*
* Represents arguments passed to mount()
*/
struct mount_args {
const char *source;
const char *target;
const char *fstype;
uint32_t flags;
void *data;
};
/*
* Represents VFS operations that can be performed
* on filesystem objects
*/
struct vfsops {
int(*mount)(struct fs_info *fip, void *data);
};
/*
* Represents filesystem operation
*
* @name: Name of filesystem
* @vfsops: Represents operations that can be performed
* @is_mounted: Set if filesystem is mounted
*/
struct fs_info {
char *name;
struct vfsops *vfsops;
uint8_t is_mounted : 1;
};
/*
* Represents a mountpoint
*
* @fip: Target filesystem interface
* @vp: Vnode pointer length
* @link: Connects mountpoints
*/
struct mount {
struct fs_info *fip;
struct vnode *vp;
TAILQ_ENTRY(mount) link;
};
/*
* Mount a filesystem and make it visible for access
*
* @margs: Mount arguments
*
* Returns zero on success
*/
int mount(struct mount_args *margs);
/*
* Lookup an entry within the mount table
*
* @name: Name to lookup
* @mres: Result pointer is written here
*
* Returns zero on success
*/
int mount_lookup(const char *name, struct mount **mres);
#endif /* !_OS_MOUNT_H_ */
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