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/**
* @file
*
* @brief IMFS Device Node Handlers
* @ingroup IMFS
*/
/*
* COPYRIGHT (c) 1989-2012.
* 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"
#include <rtems/deviceio.h>
int device_open(
rtems_libio_t *iop,
const char *pathname,
int oflag,
mode_t mode
)
{
IMFS_jnode_t *the_jnode;
the_jnode = iop->pathinfo.node_access;
return rtems_deviceio_open(
iop,
pathname,
oflag,
mode,
the_jnode->info.device.major,
the_jnode->info.device.minor
);
}
int device_close(
rtems_libio_t *iop
)
{
IMFS_jnode_t *the_jnode;
the_jnode = iop->pathinfo.node_access;
return rtems_deviceio_close(
iop,
the_jnode->info.device.major,
the_jnode->info.device.minor
);
}
ssize_t device_read(
rtems_libio_t *iop,
void *buffer,
size_t count
)
{
IMFS_jnode_t *the_jnode;
the_jnode = iop->pathinfo.node_access;
return rtems_deviceio_read(
iop,
buffer,
count,
the_jnode->info.device.major,
the_jnode->info.device.minor
);
}
ssize_t device_write(
rtems_libio_t *iop,
const void *buffer,
size_t count
)
{
IMFS_jnode_t *the_jnode;
the_jnode = iop->pathinfo.node_access;
return rtems_deviceio_write(
iop,
buffer,
count,
the_jnode->info.device.major,
the_jnode->info.device.minor
);
}
int device_ioctl(
rtems_libio_t *iop,
ioctl_command_t command,
void *buffer
)
{
IMFS_jnode_t *the_jnode;
the_jnode = iop->pathinfo.node_access;
return rtems_deviceio_control(
iop,
command,
buffer,
the_jnode->info.device.major,
the_jnode->info.device.minor
);
}
int device_ftruncate(
rtems_libio_t *iop,
off_t length
)
{
return 0;
}
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