C++ (Cpp) rtems_disk_fd_get_block_size Exemples

Exemple #1

static void test_block_io_control_api(dev_t dev, ramdisk *rd)
{
    rtems_status_code sc = RTEMS_SUCCESSFUL;
    rtems_disk_device *dd = NULL;
    const rtems_disk_device *fd_dd = NULL;
    int fd = -1;
    int rv = -1;
    uint32_t value = 0;
    rtems_blkdev_bnum block_count = 0;

    sc = rtems_disk_create_phys(dev, BLOCK_SIZE, BLOCK_COUNT, ramdisk_ioctl, rd, "/dev/rda");
    ASSERT_SC(sc);

    dd = rtems_disk_obtain(dev);
    rtems_test_assert(dd != NULL);

    fd = open("/dev/rda", O_RDWR);
    rtems_test_assert(fd >= 0);

    value = 0;
    rv = rtems_disk_fd_get_media_block_size(fd, &value);
    rtems_test_assert(rv == 0);
    rtems_test_assert(value == BLOCK_SIZE);

    value = 0;
    rv = rtems_disk_fd_get_block_size(fd, &value);
    rtems_test_assert(rv == 0);
    rtems_test_assert(value == BLOCK_SIZE);

    value = 1024;
    rv = rtems_disk_fd_set_block_size(fd, value);
    rtems_test_assert(rv == 0);

    value = 0;
    rv = rtems_disk_fd_get_block_size(fd, &value);
    rtems_test_assert(rv == 0);
    rtems_test_assert(value == 1024);

    block_count = 0;
    rv = rtems_disk_fd_get_block_count(fd, &block_count);
    rtems_test_assert(rv == 0);
    rtems_test_assert(block_count == BLOCK_COUNT);

    rv = rtems_disk_fd_get_disk_device(fd, &fd_dd);
    rtems_test_assert(rv == 0);
    rtems_test_assert(fd_dd == dd);

    rv = rtems_disk_fd_sync(fd);
    rtems_test_assert(rv == 0);

    rv = close(fd);
    rtems_test_assert(rv == 0);

    sc = rtems_disk_release(dd);
    ASSERT_SC(sc);

    sc = rtems_disk_delete(dev);
    ASSERT_SC(sc);
}

Exemple #2

Fichier : init.c Projet : Avanznow/rtems

/*
 * Black box test the disk parameters of a sparse disk
 */
static void test_disk_params(
  const int               file_descriptor,
  const uint32_t          block_size,
  const uint32_t          media_block_size,
  const rtems_blkdev_bnum block_number )
{
  int                rv;
  uint32_t           value       = 0;
  rtems_disk_device *fd_dd       = NULL;
  rtems_blkdev_bnum  block_count = 0;


  rv = rtems_disk_fd_get_media_block_size( file_descriptor, &value );
  rtems_test_assert( 0 == rv );
  rtems_test_assert( media_block_size == value );

  value = 0;
  rv    = rtems_disk_fd_get_block_size( file_descriptor, &value );
  rtems_test_assert( 0 == rv );
  rtems_test_assert( block_size == value );

  block_count = 0;
  rv          = rtems_disk_fd_get_block_count( file_descriptor, &block_count );
  rtems_test_assert( 0 == rv );
  rtems_test_assert( block_number == block_count );

  rv = rtems_disk_fd_get_disk_device( file_descriptor, &fd_dd );
  rtems_test_assert( 0 == rv );
  rtems_test_assert( NULL != fd_dd );
}