/**
* @file
*
* @ingroup test_bdbuf
*
* @brief Bdbuf test for block size change event.
*/
/*
* Copyright (c) 2009
* embedded brains GmbH
* Obere Lagerstr. 30
* D-82178 Puchheim
* Germany
* <rtems@embedded-brains.de>
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include "tmacros.h"
#include <rtems.h>
#include <rtems/ramdisk.h>
#include <rtems/bdbuf.h>
#include <rtems/diskdevs.h>
const char rtems_test_name[] = "BLOCK 7";
/* forward declarations to avoid warnings */
static rtems_task Init(rtems_task_argument argument);
#define ASSERT_SC(sc) rtems_test_assert((sc) == RTEMS_SUCCESSFUL)
#define PRIORITY_INIT 1
#define PRIORITY_HIGH 2
#define PRIORITY_MID 3
#define PRIORITY_LOW 4
#define PRIORITY_SWAPOUT 5
#define PRIORITY_IDLE 6
#define BLOCK_SIZE_A 1
#define BLOCK_SIZE_B 2
#define BLOCK_COUNT 2
static rtems_disk_device *dd;
static rtems_id task_id_low;
static rtems_id task_id_mid;
static rtems_id task_id_high;
static void change_block_size(void)
{
int rv = 0;
int fd = open("/dev/rda", O_RDWR);
rtems_test_assert(fd >= 0);
rv = rtems_disk_fd_set_block_size(fd, BLOCK_SIZE_B);
rtems_test_assert(rv == 0);
rv = close(fd);
rtems_test_assert(rv == 0);
}
static void task_low(rtems_task_argument arg)
{
rtems_status_code sc = RTEMS_SUCCESSFUL;
rtems_bdbuf_buffer *bd = NULL;
printk("L: try access: 0\n");
sc = rtems_bdbuf_get(dd, 0, &bd);
ASSERT_SC(sc);
printk("L: access: 0\n");
rtems_test_assert(bd->group->bds_per_group == 2);
printk("L: release: 0\n");
sc = rtems_bdbuf_release(bd);
ASSERT_SC(sc);
printk("L: release done: 0\n");
rtems_test_endk();
exit(0);
}
static void task_mid(rtems_task_argument arg)
{
rtems_status_code sc = RTEMS_SUCCESSFUL;
rtems_bdbuf_buffer *bd = NULL;
printk("M: try access: 0\n");
sc = rtems_bdbuf_get(dd, 0, &bd);
ASSERT_SC(sc);
printk("M: access: 0\n");
rtems_test_assert(bd->group->bds_per_group == 1);
printk("M: release: 0\n");
sc = rtems_bdbuf_release(bd);
ASSERT_SC(sc);
printk("M: release done: 0\n");
rtems_task_delete(RTEMS_SELF);
}
static void task_high(rtems_task_argument arg)
{
rtems_status_code sc = RTEMS_SUCCESSFUL;
rtems_bdbuf_buffer *bd = NULL;
change_block_size();
printk("H: try access: 0\n");
sc = rtems_bdbuf_get(dd, 0, &bd);
ASSERT_SC(sc);
printk("H: access: 0\n");
rtems_test_assert(bd->group->bds_per_group == 1);
printk("H: release: 0\n");
sc = rtems_bdbuf_release(bd);
ASSERT_SC(sc);
printk("H: release done: 0\n");
rtems_task_delete(RTEMS_SELF);
}
static rtems_task Init(rtems_task_argument argument)
{
rtems_status_code sc = RTEMS_SUCCESSFUL;
rtems_task_priority cur_prio = 0;
rtems_bdbuf_buffer *bd = NULL;
dev_t dev = 0;
rtems_test_begink();
sc = rtems_disk_io_initialize();
ASSERT_SC(sc);
sc = ramdisk_register(BLOCK_SIZE_A, BLOCK_COUNT, false, "/dev/rda", &dev);
ASSERT_SC(sc);
dd = rtems_disk_obtain(dev);
rtems_test_assert(dd != NULL);
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(' ', 'M', 'I', 'D'),
PRIORITY_MID,
0,
RTEMS_DEFAULT_MODES,
RTEMS_DEFAULT_ATTRIBUTES,
&task_id_mid
);
ASSERT_SC(sc);
sc = rtems_task_start(task_id_mid, task_mid, 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_task_suspend(task_id_mid);
ASSERT_SC(sc);
sc = rtems_task_suspend(task_id_high);
ASSERT_SC(sc);
sc = rtems_bdbuf_get(dd, 1, &bd);
ASSERT_SC(sc);
sc = rtems_bdbuf_release(bd);
ASSERT_SC(sc);
printk("I: try access: 0\n");
sc = rtems_bdbuf_get(dd, 0, &bd);
ASSERT_SC(sc);
printk("I: access: 0\n");
sc = rtems_task_set_priority(RTEMS_SELF, PRIORITY_IDLE, &cur_prio);
ASSERT_SC(sc);
sc = rtems_task_resume(task_id_high);
ASSERT_SC(sc);
sc = rtems_task_resume(task_id_mid);
ASSERT_SC(sc);
sc = rtems_task_set_priority(RTEMS_SELF, PRIORITY_INIT, &cur_prio);
ASSERT_SC(sc);
printk("I: release: 0\n");
sc = rtems_bdbuf_release(bd);
ASSERT_SC(sc);
printk("I: release done: 0\n");
rtems_task_delete(RTEMS_SELF);
}
#define CONFIGURE_INIT
#define CONFIGURE_APPLICATION_DOES_NOT_NEED_CLOCK_DRIVER
#define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER
#define CONFIGURE_APPLICATION_NEEDS_LIBBLOCK
#define CONFIGURE_LIBIO_MAXIMUM_FILE_DESCRIPTORS 4
#define CONFIGURE_MAXIMUM_TASKS 4
#define CONFIGURE_MAXIMUM_DRIVERS 2
#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_A * BLOCK_COUNT)
#include <rtems/confdefs.h>