/* SPDX-License-Identifier: BSD-2-Clause */
/**
* @file
*
* @ingroup test_bdbuf
*
* @brief Bdbuf test.
*/
/*
* Copyright (c) 2009, 2018 embedded brains GmbH. All rights reserved.
*
* 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 "tmacros.h"
#include <rtems.h>
#include <rtems/bspIo.h>
#include <rtems/ramdisk.h>
#include <rtems/bdbuf.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
const char rtems_test_name[] = "BLOCK 2";
#define ASSERT_SC(sc) rtems_test_assert((sc) == RTEMS_SUCCESSFUL)
#define PRIORITY_INIT 10
#define PRIORITY_SWAPOUT 50
#define PRIORITY_HIGH 30
#define PRIORITY_LOW 40
#define BLOCK_SIZE_A 512
#define BLOCK_COUNT_A 2
#define BLOCK_SIZE_B 1024
#define BLOCK_COUNT_B 1
static rtems_disk_device *dd_a;
static rtems_disk_device *dd_b;
static volatile bool sync_done = false;
static rtems_id task_id_low;
static rtems_id task_id_high;
static void task_low(rtems_task_argument arg)
{
rtems_status_code sc = RTEMS_SUCCESSFUL;
rtems_bdbuf_buffer *bd = NULL;
rtems_test_assert(!sync_done);
printk("L: try access: A0\n");
sc = rtems_bdbuf_get(dd_a, 0, &bd);
ASSERT_SC(sc);
rtems_test_assert(sync_done);
printk("L: access: A0\n");
rtems_test_assert(bd->dd == dd_a);
TEST_END();
exit(0);
}
static void task_high(rtems_task_argument arg)
{
rtems_status_code sc = RTEMS_SUCCESSFUL;
rtems_bdbuf_buffer *bd = NULL;
rtems_test_assert(!sync_done);
printk("H: try access: A0\n");
sc = rtems_bdbuf_get(dd_a, 0, &bd);
ASSERT_SC(sc);
rtems_test_assert(sync_done);
printk("H: access: A0\n");
printk("H: release: A0\n");
sc = rtems_bdbuf_release(bd);
ASSERT_SC(sc);
printk("H: release done: A0\n");
printk("H: try access: B0\n");
sc = rtems_bdbuf_get(dd_b, 0, &bd);
ASSERT_SC(sc);
printk("H: access: B0\n");
/* If we reach this code, we have likely a bug */
printk("H: release: B0\n");
sc = rtems_bdbuf_release(bd);
ASSERT_SC(sc);
printk("H: release done: B0\n");
rtems_task_exit();
}
static void do_ramdisk_register(
uint32_t media_block_size,
rtems_blkdev_bnum media_block_count,
const char *disk,
rtems_disk_device **dd
)
{
rtems_status_code sc;
int fd;
int rv;
sc = ramdisk_register(media_block_size, media_block_count, false, disk);
ASSERT_SC(sc);
fd = open(disk, O_RDWR);
rtems_test_assert(fd >= 0);
rv = rtems_disk_fd_get_disk_device(fd, dd);
rtems_test_assert(rv == 0);
rv = close(fd);
rtems_test_assert(rv == 0);
}
static rtems_task Init(rtems_task_argument argument)
{
rtems_status_code sc = RTEMS_SUCCESSFUL;
rtems_bdbuf_buffer *bd = NULL;
TEST_BEGIN();
do_ramdisk_register(BLOCK_SIZE_A, BLOCK_COUNT_A, "/dev/rda", &dd_a);
do_ramdisk_register(BLOCK_SIZE_B, BLOCK_COUNT_B, "/dev/rdb", &dd_b);
sc = rtems_task_create(
rtems_build_name(' ', 'L', 'O', 'W'),
PRIORITY_LOW,
0,
RTEMS_DEFAULT_MODES,
RTEMS_DEFAULT_ATTRIBUTES,
&task_id_low
);
ASSERT_SC(sc);
sc = rtems_task_start(task_id_low, task_low, 0);
ASSERT_SC(sc);
sc = rtems_task_create(
rtems_build_name('H', 'I', 'G', 'H'),
PRIORITY_HIGH,
0,
RTEMS_DEFAULT_MODES,
RTEMS_DEFAULT_ATTRIBUTES,
&task_id_high
);
ASSERT_SC(sc);
sc = rtems_task_start(task_id_high, task_high, 0);
ASSERT_SC(sc);
sc = rtems_bdbuf_get(dd_a, 0, &bd);
ASSERT_SC(sc);
sc = rtems_bdbuf_sync(bd);
ASSERT_SC(sc);
printk("I: sync done: A0\n");
sync_done = true;
sc = rtems_task_suspend(RTEMS_SELF);
ASSERT_SC(sc);
}
#define CONFIGURE_INIT
#define CONFIGURE_APPLICATION_DOES_NOT_NEED_CLOCK_DRIVER
#define CONFIGURE_APPLICATION_NEEDS_SIMPLE_CONSOLE_DRIVER
#define CONFIGURE_APPLICATION_NEEDS_LIBBLOCK
#define CONFIGURE_MAXIMUM_FILE_DESCRIPTORS 4
#define CONFIGURE_MAXIMUM_TASKS 3
#define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION
#define CONFIGURE_RTEMS_INIT_TASKS_TABLE
#define CONFIGURE_INIT_TASK_PRIORITY PRIORITY_INIT
#define CONFIGURE_INIT_TASK_ATTRIBUTES RTEMS_DEFAULT_ATTRIBUTES
#define CONFIGURE_INIT_TASK_INITIAL_MODES RTEMS_DEFAULT_MODES
#define CONFIGURE_SWAPOUT_TASK_PRIORITY PRIORITY_SWAPOUT
#define CONFIGURE_BDBUF_BUFFER_MIN_SIZE BLOCK_SIZE_A
#define CONFIGURE_BDBUF_BUFFER_MAX_SIZE BLOCK_SIZE_B
#define CONFIGURE_BDBUF_CACHE_MEMORY_SIZE BLOCK_SIZE_B
#include <rtems/confdefs.h>