Chris Johns 6514d56158 sys/kern: Add VFS support
- Refactor the libio interface

- Move syscalls into an rtemsbsd location

- Provide a root directory mount point

Update #4475
2021-08-28 10:25:46 +10:00

92 lines
2.3 KiB
C

/**
* @file
*
* @ingroup rtems_bsd_rtems
*
* @brief TODO.
*/
/*
* Copyright (c) 2020 Chris Johns
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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 <machine/rtems-bsd-kernel-space.h>
#include <sys/param.h>
#include <sys/kernel.h>
#include <sys/mount.h>
#include <sys/vnode.h>
#include <fs/pseudofs/pseudofs.h>
static struct pfs_node *rootfs_root;
static int
rootfs_attr(PFS_ATTR_ARGS, int mode)
{
vap->va_mode = 0;
return 0;
}
static int rootfs_attr_all_rwx(PFS_ATTR_ARGS)
{
vap->va_mode = 0777;
return 0;
}
int
rtems_bsd_rootfs_mkdir(const char *name)
{
struct pfs_node *dir;
dir = pfs_create_dir(rootfs_root, name, rootfs_attr_all_rwx, NULL, NULL,
PFS_RDWR | PFS_NOWAIT);
if (dir == NULL)
return ENOENT;
return 0;
}
int
rtems_bsd_rootfs_rmdir(const char *name)
{
struct pfs_node *dir;
dir = pfs_find_node(rootfs_root, name);
if (dir == NULL)
return ENOENT;
return pfs_destroy(dir);
}
static int rootfs_init(PFS_INIT_ARGS)
{
rootfs_root = pi->pi_root;
return 0;
}
static int rootfs_uninit(PFS_INIT_ARGS)
{
return 0;
}
PSEUDOFS(rootfs, 1, VFCF_SYNTHETIC);