/* SPDX-License-Identifier: BSD-2-Clause */
/**
* @file
*
* @ingroup IMFS
*
* @brief Device Operations Table
*/
/*
* COPYRIGHT (c) 1989-1999.
* On-Line Applications Research Corporation (OAR).
*
* 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 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems/imfs.h>
static int IMFS_stat_device(
const rtems_filesystem_location_info_t *loc,
struct stat *buf
)
{
const IMFS_device_t *device = loc->node_access;
buf->st_rdev = rtems_filesystem_make_dev_t( device->major, device->minor );
return IMFS_stat( loc, buf );
}
static const rtems_filesystem_file_handlers_r IMFS_device_handlers = {
.open_h = device_open,
.close_h = device_close,
.read_h = device_read,
.write_h = device_write,
.ioctl_h = device_ioctl,
.lseek_h = rtems_filesystem_default_lseek_file,
.fstat_h = IMFS_stat_device,
.ftruncate_h = device_ftruncate,
.fsync_h = rtems_filesystem_default_fsync_or_fdatasync,
.fdatasync_h = rtems_filesystem_default_fsync_or_fdatasync,
.fcntl_h = rtems_filesystem_default_fcntl,
.kqfilter_h = rtems_filesystem_default_kqfilter,
.mmap_h = rtems_filesystem_default_mmap,
.poll_h = rtems_filesystem_default_poll,
.readv_h = rtems_filesystem_default_readv,
.writev_h = rtems_filesystem_default_writev
};
static IMFS_jnode_t *IMFS_node_initialize_device(
IMFS_jnode_t *node,
void *arg
)
{
IMFS_device_t *device = (IMFS_device_t *) node;
dev_t *dev = arg;
rtems_filesystem_split_dev_t( *dev, device->major, device->minor );
return node;
}
const IMFS_mknod_control IMFS_mknod_control_device = {
{
.handlers = &IMFS_device_handlers,
.node_initialize = IMFS_node_initialize_device,
.node_remove = IMFS_node_remove_default,
.node_destroy = IMFS_node_destroy_default
},
.node_size = sizeof( IMFS_device_t )
};