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/*
* 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.
*
* $Id$
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdlib.h>
#include <rtems.h>
#include <rtems/seterr.h>
#include <rtems/score/wkspace.h>
#include "devfs.h"
rtems_filesystem_operations_table devFS_ops =
{
devFS_evaluate_path,
devFS_evaluate_for_make,
rtems_filesystem_default_link,
rtems_filesystem_default_unlink,
devFS_node_type,
devFS_mknod,
rtems_filesystem_default_chown,
rtems_filesystem_default_freenode,
rtems_filesystem_default_mount,
devFS_initialize,
rtems_filesystem_default_unmount,
rtems_filesystem_default_fsunmount,
rtems_filesystem_default_utime,
rtems_filesystem_default_evaluate_link,
rtems_filesystem_default_symlink,
rtems_filesystem_default_readlink,
rtems_filesystem_default_rename,
rtems_filesystem_default_statvfs
};
rtems_filesystem_file_handlers_r devFS_file_handlers =
{
devFS_open,
devFS_close,
devFS_read,
devFS_write,
devFS_ioctl,
rtems_filesystem_default_lseek,
devFS_stat,
rtems_filesystem_default_fchmod,
rtems_filesystem_default_ftruncate,
rtems_filesystem_default_fsync,
rtems_filesystem_default_fdatasync,
rtems_filesystem_default_fcntl,
rtems_filesystem_default_rmnod
};
int devFS_initialize(
rtems_filesystem_mount_table_entry_t *temp_mt_entry,
const void *data
)
{
rtems_device_name_t *device_name_table;
/* allocate device only filesystem name table */
device_name_table = (rtems_device_name_t *)_Workspace_Allocate(
sizeof( rtems_device_name_t ) * ( rtems_device_table_size )
);
/* no memory for device filesystem */
if (!device_name_table)
rtems_set_errno_and_return_minus_one( ENOMEM );
memset(
device_name_table, 0,
sizeof( rtems_device_name_t ) * ( rtems_device_table_size )
);
/* set file handlers */
temp_mt_entry->mt_fs_root.handlers = &devFS_file_handlers;
temp_mt_entry->mt_fs_root.ops = &devFS_ops;
/* Set the node_access to device name table */
temp_mt_entry->mt_fs_root.node_access = (void *)device_name_table;
return 0;
}
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