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/*
* Copyright (c) 2012 embedded brains GmbH. All rights reserved.
*
* embedded brains GmbH
* Obere Lagerstr. 30
* 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.com/license/LICENSE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "tmacros.h"
#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <string.h>
#include <rtems/ramdisk.h>
#include <rtems/bdbuf.h>
const char rtems_test_name[] = "BLOCK 16";
#define ASSERT_SC(sc) rtems_test_assert((sc) == RTEMS_SUCCESSFUL)
static void test(void)
{
static const char device [] = "/dev/rda";
rtems_status_code sc;
int fd;
int rv;
rtems_disk_device *dd;
ramdisk *rd;
unsigned char buf [8];
uint32_t media_block_size = sizeof(buf [0]);
rtems_blkdev_bnum media_block_count = sizeof(buf) / sizeof(buf [0]);
rtems_blkdev_bnum media_size = media_block_size * media_block_count;
rtems_bdbuf_buffer *media_bd [media_block_count];
rtems_bdbuf_buffer *large_bd;
rtems_blkdev_bnum i;
sc = rtems_disk_io_initialize();
ASSERT_SC(sc);
for (i = 0; i < media_block_count; ++i) {
buf [i] = i;
}
rd = ramdisk_allocate(buf, media_block_size, media_block_count, false);
rtems_test_assert(rd != NULL);
sc = rtems_blkdev_create(
device,
media_block_size,
media_block_count,
ramdisk_ioctl,
rd
);
ASSERT_SC(sc);
fd = open(device, O_RDWR);
rtems_test_assert(fd >= 0);
rv = rtems_disk_fd_get_disk_device(fd, &dd);
rtems_test_assert(rv == 0);
for (i = 0; i < media_block_count; ++i) {
sc = rtems_bdbuf_read(dd, i, &media_bd [i]);
ASSERT_SC(sc);
rtems_test_assert(media_bd [i]->buffer [0] == buf [i]);
}
for (i = 0; i < media_block_count; ++i) {
media_bd [i]->buffer [0] += media_block_count;
sc = rtems_bdbuf_release_modified(media_bd [i]);
ASSERT_SC(sc);
}
for (i = 0; i < media_block_count; i += 2) {
sc = rtems_bdbuf_read(dd, i, &media_bd [i]);
ASSERT_SC(sc);
rtems_test_assert(media_bd [i]->buffer [0] == buf [i] + media_block_count);
}
sc = rtems_bdbuf_set_block_size(dd, media_size, true);
ASSERT_SC(sc);
for (i = 0; i < media_block_count; i += 2) {
rtems_test_assert(media_bd [i]->state == RTEMS_BDBUF_STATE_ACCESS_PURGED);
rtems_test_assert(media_bd [i + 1]->state == RTEMS_BDBUF_STATE_FREE);
rtems_test_assert(media_bd [i]->buffer [0] == buf [i] + media_block_count);
rtems_test_assert(media_bd [i + 1]->buffer [0] == buf [i + 1]);
sc = rtems_bdbuf_release(media_bd [i]);
ASSERT_SC(sc);
}
sc = rtems_bdbuf_read(dd, 0, &large_bd);
ASSERT_SC(sc);
rtems_test_assert(memcmp(buf, large_bd->buffer, media_size) == 0);
sc = rtems_bdbuf_release(large_bd);
ASSERT_SC(sc);
rv = close(fd);
rtems_test_assert(rv == 0);
rv = unlink(device);
rtems_test_assert(rv == 0);
}
static void Init(rtems_task_argument arg)
{
TEST_BEGIN();
test();
TEST_END();
rtems_test_exit(0);
}
#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
#define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER
#define CONFIGURE_APPLICATION_NEEDS_LIBBLOCK
#define CONFIGURE_BDBUF_BUFFER_MIN_SIZE 1
#define CONFIGURE_BDBUF_BUFFER_MAX_SIZE 8
#define CONFIGURE_BDBUF_CACHE_MEMORY_SIZE 8
#define CONFIGURE_USE_IMFS_AS_BASE_FILESYSTEM
#define CONFIGURE_LIBIO_MAXIMUM_FILE_DESCRIPTORS 4
#define CONFIGURE_MAXIMUM_TASKS 1
#define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION
#define CONFIGURE_RTEMS_INIT_TASKS_TABLE
#define CONFIGURE_INIT
#include <rtems/confdefs.h>
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