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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.
*/
#include <sys/types.h>
#include <sys/errno.h>
#include <sys/param.h>
#include <sys/cdefs.h>
#include <lib/string.h>
#include <fs/tmpfs.h>
#include <kern/vfs.h>
#include <kern/mount.h>
#include <os/trace.h>
#define dtrace(fmt, ...) trace("vfs: " fmt, ##__VA_ARGS__)
static uint16_t fs_count = 0;
static struct fs_info fs_list[] = {
{ MOUNT_TMPFS, &g_tmpfs_ops }
};
int
vfs_byname(const char *name, struct fs_info **res)
{
if (name == NULL || res == NULL) {
return -ENOMEM;
}
if (fs_count == 0) {
fs_count = NELEM(fs_list);
}
for (uint16_t i = 0; i < fs_count; ++i) {
if (__likely(*name != *fs_list[i].name)) {
continue;
}
if (strcmp(name, fs_list[i].name) == 0) {
*res = &fs_list[i];
return 0;
}
}
return -ENOENT;
}
void
vfs_init(void)
{
struct fs_info *fip;
struct vfsops *ops;
uint16_t mount_count = 0;
int error;
fs_count = NELEM(fs_list);
for (uint16_t i = 0; i < fs_count; ++i) {
fip = &fs_list[i];
ops = fip->vfsops;
/* We rely on the name */
if (__unlikely(fip->name == NULL)) {
continue;
}
/* Initialize the filesystem */
if (ops->init != NULL) {
error = ops->init(fip);
}
if (error != 0) {
dtrace("failed to init %s\n", fip->name);
continue;
}
dtrace("initialized %s\n", fip->name);
++mount_count;
}
if (mount_count > 0) {
dtrace("mounted %d filesystem(s)\n", mount_count);
}
}
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