/* SPDX-License-Identifier: BSD-2-Clause */

/*
 * Copyright (c) 2017 Kevin Kirspel.
 *
 * 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 "test_driver.h"

#include <rtems/libio.h>

char test_data[PAGE_SIZE];

static int handler_fstat(
  const rtems_filesystem_location_info_t *loc,
  struct stat *buf
)
{
  buf->st_mode = S_IFCHR | S_IRWXU | S_IRWXG | S_IRWXO;
  return 0;
}

static int handler_mmap(
  rtems_libio_t *iop,
  void **addr,
  size_t len,
  int prot,
  off_t off
)
{
  if ( len <= sizeof(test_data) ) {
    *addr = test_data;
  } else {
    *addr = NULL;
  }
  return 0;
}

static const rtems_filesystem_file_handlers_r node_handlers = {
  .open_h = rtems_filesystem_default_open,
  .close_h = rtems_filesystem_default_close,
  .read_h = rtems_filesystem_default_read,
  .write_h = rtems_filesystem_default_write,
  .ioctl_h = rtems_filesystem_default_ioctl,
  .lseek_h = rtems_filesystem_default_lseek,
  .fstat_h = handler_fstat,
  .ftruncate_h = rtems_filesystem_default_ftruncate,
  .fsync_h = rtems_filesystem_default_fsync_or_fdatasync,
  .fdatasync_h = rtems_filesystem_default_fsync_or_fdatasync,
  .fcntl_h = rtems_filesystem_default_fcntl,
  .poll_h = rtems_filesystem_default_poll,
  .kqfilter_h = rtems_filesystem_default_kqfilter,
  .mmap_h = handler_mmap,
  .readv_h = rtems_filesystem_default_readv,
  .writev_h = rtems_filesystem_default_writev
};

const IMFS_node_control node_control = IMFS_GENERIC_INITIALIZER(
  &node_handlers,
  IMFS_node_initialize_default,
  IMFS_node_destroy_default
);