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Diffstat (limited to 'sys/inc/kern/mount.h')
| -rw-r--r-- | sys/inc/kern/mount.h | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/sys/inc/kern/mount.h b/sys/inc/kern/mount.h new file mode 100644 index 0000000..1c3dde6 --- /dev/null +++ b/sys/inc/kern/mount.h @@ -0,0 +1,106 @@ +/* + * 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_ */ |
