/* SPDX-License-Identifier: BSD-2-Clause */
/*
* COPYRIGHT (c) 1989-2010.
* 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.h>
#include "test_driver.h"
#include <rtems/libio.h>
#include <rtems/devnull.h>
/*
* The test driver routines are mostly derived from the null driver routines.
*/
uint32_t TEST_major;
static char initialized;
/* testDriver_initialize
*
* This routine is the test device driver init routine.
*
* Input parameters:
* major - device major number
* minor - device minor number
* pargp - pointer to parameter block
*
* Output parameters:
* rval - RTEMS_SUCCESSFUL
*/
rtems_device_driver testDriver_initialize(
rtems_device_major_number major,
rtems_device_minor_number minor RTEMS_UNUSED,
void *pargp RTEMS_UNUSED
)
{
rtems_device_driver status;
if ( !initialized ) {
initialized = 1;
status = rtems_io_register_name(
"/dev/test",
major,
(rtems_device_minor_number) 0
);
if (status != RTEMS_SUCCESSFUL)
rtems_fatal_error_occurred(status);
TEST_major = major;
}
return RTEMS_SUCCESSFUL;
}
/* testDriver_open
*
* This routine is the test device driver open routine.
*
* Input parameters:
* major - device major number
* minor - device minor number
* pargb - pointer to open parameter block
*
* Output parameters:
* rval - RTEMS_SUCCESSFUL
*/
rtems_device_driver testDriver_open(
rtems_device_major_number major RTEMS_UNUSED,
rtems_device_minor_number minor RTEMS_UNUSED,
void *pargp RTEMS_UNUSED
)
{
return RTEMS_SUCCESSFUL;
}
/* testDriver_close
*
* This routine is the test device driver close routine.
*
* Input parameters:
* major - device major number
* minor - device minor number
* pargb - pointer to close parameter block
*
* Output parameters:
* rval - RTEMS_SUCCESSFUL
*/
rtems_device_driver testDriver_close(
rtems_device_major_number major RTEMS_UNUSED,
rtems_device_minor_number minor RTEMS_UNUSED,
void *pargp RTEMS_UNUSED
)
{
return RTEMS_SUCCESSFUL;
}
/* testDriver_read
*
* This routine is the test device driver read routine.
*
* Input parameters:
* major - device major number
* minor - device minor number
* pargp - pointer to read parameter block
*
* Output parameters:
* rval - RTEMS_SUCCESSFUL
*/
rtems_device_driver testDriver_read(
rtems_device_major_number major RTEMS_UNUSED,
rtems_device_minor_number minor RTEMS_UNUSED,
void *pargp
)
{
rtems_libio_rw_args_t *rw_args = (rtems_libio_rw_args_t *) pargp;
if ( rw_args ) {
if( rw_args->count == 5 )
rw_args->bytes_moved = 0;
else {
rw_args->bytes_moved = 0;
return RTEMS_NOT_IMPLEMENTED;
}
}
return RTEMS_SUCCESSFUL;
}
/* testDriver_write
*
* This routine is the test device driver write routine.
*
* Input parameters:
* major - device major number
* minor - device minor number
* pargp - pointer to write parameter block
*
* Output parameters:
* rval - RTEMS_SUCCESSFUL
*/
rtems_device_driver testDriver_write(
rtems_device_major_number major RTEMS_UNUSED,
rtems_device_minor_number minor RTEMS_UNUSED,
void *pargp
)
{
rtems_libio_rw_args_t *rw_args = (rtems_libio_rw_args_t *) pargp;
if ( rw_args ) {
if( rw_args->count == 5 )
return null_write( 0, 0, pargp );
else {
rw_args->bytes_moved = 0;
return RTEMS_NOT_IMPLEMENTED;
}
}
return RTEMS_SUCCESSFUL;
}
/* testDriver_control
*
* This routine is the test device driver control routine.
*
* Input parameters:
* major - device major number
* minor - device minor number
* pargp - pointer to cntrl parameter block
*
* Output parameters:
* rval - RTEMS_SUCCESSFUL
*/
rtems_device_driver testDriver_control(
rtems_device_major_number major RTEMS_UNUSED,
rtems_device_minor_number minor RTEMS_UNUSED,
void *pargp RTEMS_UNUSED
)
{
return RTEMS_NOT_IMPLEMENTED;
}
