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/**
* @file
*
* @brief Device Operations Table
* @ingroup IMFS
*/
/*
* COPYRIGHT (c) 1989-1999.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include "imfs.h"
static int IMFS_stat_device(
const rtems_filesystem_location_info_t *loc,
struct stat *buf
)
{
const IMFS_jnode_t *node = loc->node_access;
const IMFS_device_t *io = &node->info.device;
buf->st_rdev = rtems_filesystem_make_dev_t( io->major, io->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,
.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,
const IMFS_types_union *info
)
{
node->info.device.major = info->device.major;
node->info.device.minor = info->device.minor;
return node;
}
const IMFS_node_control IMFS_node_control_device = {
.imfs_type = IMFS_DEVICE,
.handlers = &IMFS_device_handlers,
.node_initialize = IMFS_node_initialize_device,
.node_remove = IMFS_node_remove_default,
.node_destroy = IMFS_node_destroy_default
};
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