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);
}
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);
}
/*
* The test sequence
*/
static
void test( void )
{
rtems_status_code sc;
int rv;
char device_name[] = "/dev/sda1";
uint32_t block_size;
rtems_blkdev_bnum block_number;
rtems_blkdev_bnum blocks_allocated;
int file_descriptor;
uint8_t fill_pattern = 0;
sc = rtems_disk_io_initialize();
rtems_test_assert( sc == RTEMS_SUCCESSFUL );
block_size = 512;
block_number = 4 * 2 * 1024;
blocks_allocated = 8;
sc = rtems_sparse_disk_create_and_register(
"/dev/sda1",
block_size,
blocks_allocated,
block_number,
fill_pattern
);
rtems_test_assert( RTEMS_SUCCESSFUL == sc );
/* Test reading and writing with sector size 512 and 8 such sectors
* allocated. Block size will default to 512 */
test_device_io(
device_name,
block_size,
block_size,
block_number,
blocks_allocated,
fill_pattern
);
file_descriptor = open( device_name, O_RDWR );
rtems_test_assert( 0 <= file_descriptor );
rv = rtems_disk_fd_set_block_size( file_descriptor,
blocks_allocated * block_size );
rtems_test_assert( 0 == rv );
rv = close( file_descriptor );
rtems_test_assert( 0 == rv );
/* Block size was increased to 4k. Thus all to allocated disk space
* corresponds to one block. Repeat the read write tests */
test_device_io(
device_name,
block_size * blocks_allocated,
block_size,
block_number,
1,
fill_pattern
);
rv = unlink( device_name );
rtems_test_assert( 0 == rv );
/* Do testing with a statically allocated disk. This permits white box
* testing */
test_with_whitebox( device_name );
}
