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/*
* Copyright (c) 2025 Ian Marco Moffett and L5 engineers
* 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 the project 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.
*/
#include <sys/types.h>
#include <sys/errno.h>
#include <sys/param.h>
#include <sys/mount.h>
#include <os/vfs.h>
#include <string.h>
/*
* The filesystem table
*/
static struct fs_info fstab[] = {
{ MOUNT_INITRD, &g_omar_vfsops, 0 },
{ MOUNT_DEVFS, &g_devfs_vfops, 0 }
};
/*
* Get entry by name
*/
int
vfs_by_name(const char *name, struct fs_info **resp)
{
size_t nelem;
int retval = -ENOENT;
if (name == NULL || resp == NULL) {
return -EINVAL;
}
nelem = NELEM(fstab);
for (int i = 0; i < nelem; ++i) {
if (strcmp(fstab[i].name, name) == 0) {
*resp = &fstab[i];
retval = 0;
break;
}
}
return retval;
}
/*
* Get entry by index
*/
int
vfs_by_index(uint16_t index, struct fs_info **resp)
{
if (resp == NULL) {
return -EINVAL;
}
if (index >= NELEM(fstab)) {
return -ENOENT;
}
*resp = &fstab[index];
return 0;
}
int
vfs_init(void)
{
const struct vfsops *vfsops;
struct fs_info *fip;
size_t nelem = NELEM(fstab);
/*
* Initialize each filesystem
*/
for (size_t i = 0; i < nelem; ++i) {
fip = &fstab[i];
vfsops = fip->vfsops;
if (vfsops->init != NULL) {
vfsops->init(fip);
}
}
mountlist_init(NULL);
return 0;
}
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