forked from Imagelibrary/rtems
298 lines
7.4 KiB
C
298 lines
7.4 KiB
C
/*
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* Copyright (c) 2012 embedded brains GmbH. All rights reserved.
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*
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* embedded brains GmbH
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* Obere Lagerstr. 30
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* 82178 Puchheim
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* Germany
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* <rtems@embedded-brains.de>
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rtems.org/license/LICENSE.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "tmacros.h"
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#include <fcntl.h>
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#include <rtems/dosfs.h>
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#include <rtems/sparse-disk.h>
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#include <rtems/blkdev.h>
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#include <bsp.h>
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const char rtems_test_name[] = "FSDOSFSWRITE 1";
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#define MAX_PATH_LENGTH 100 /* Maximum number of characters per path */
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#define SECTOR_SIZE 512 /* sector size (bytes) */
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#define FAT16_MAX_CLN 65525 /* maximum + 1 number of clusters for FAT16 */
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#define FAT16_DEFAULT_SECTORS_PER_CLUSTER 32 /* Default number of sectors per cluster for FAT16 */
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#define SECTORS_PER_CLUSTER 2
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static void format_and_mount( const char *dev_name, const char *mount_dir )
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{
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static const msdos_format_request_param_t rqdata = {
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.sectors_per_cluster = SECTORS_PER_CLUSTER,
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.quick_format = true
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};
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int rv;
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rv = msdos_format( dev_name, &rqdata );
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rtems_test_assert( rv == 0 );
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rv = mount( dev_name,
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mount_dir,
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RTEMS_FILESYSTEM_TYPE_DOSFS,
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RTEMS_FILESYSTEM_READ_WRITE,
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NULL );
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rtems_test_assert( rv == 0 );
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}
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static void do_fsync( const char *file )
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{
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int rv;
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int fd;
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fd = open( file, O_RDONLY );
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rtems_test_assert( fd >= 0 );
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rv = fsync( fd );
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rtems_test_assert( rv == 0 );
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rv = close( fd );
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rtems_test_assert( rv == 0 );
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}
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static void check_block_stats( const char *dev_name,
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const char *mount_dir,
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const rtems_blkdev_stats *expected_stats )
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{
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int fd;
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int rv;
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rtems_blkdev_stats actual_stats;
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do_fsync( mount_dir );
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fd = open( dev_name, O_RDONLY );
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rtems_test_assert( fd >= 0 );
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rv = ioctl( fd, RTEMS_BLKIO_GETDEVSTATS, &actual_stats );
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rtems_test_assert( rv == 0 );
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rtems_test_assert( memcmp( &actual_stats, expected_stats,
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sizeof( actual_stats ) ) == 0 );
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rv = close( fd );
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rtems_test_assert( rv == 0 );
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}
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static void reset_block_stats( const char *dev_name, const char *mount_dir )
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{
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int fd;
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int rv;
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do_fsync( mount_dir );
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fd = open( dev_name, O_RDONLY );
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rtems_test_assert( fd >= 0 );
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rv = ioctl( fd, RTEMS_BLKIO_PURGEDEV );
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rtems_test_assert( rv == 0 );
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rv = ioctl( fd, RTEMS_BLKIO_RESETDEVSTATS );
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rtems_test_assert( rv == 0 );
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rv = close( fd );
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rtems_test_assert( rv == 0 );
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}
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static int create_file( const char *file_name )
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{
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mode_t mode = S_IRWXU | S_IRWXG | S_IRWXO;
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return creat( file_name, mode );
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}
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static void test_normal_file_write(
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const char *dev_name,
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const char *mount_dir,
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const char *file_name )
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{
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static const rtems_blkdev_stats complete_block_stats = {
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.read_hits = 0,
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.read_misses = 0,
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.read_ahead_transfers = 0,
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.read_blocks = 0,
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.read_errors = 0,
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.write_transfers = 1,
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.write_blocks = 1,
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.write_errors = 0
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};
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static const rtems_blkdev_stats new_block_stats = {
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.read_hits = 8,
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.read_misses = 2,
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.read_ahead_transfers = 0,
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.read_blocks = 2,
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.read_errors = 0,
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.write_transfers = 1,
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.write_blocks = 4,
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.write_errors = 0
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};
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int rv;
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int fd;
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ssize_t num_bytes;
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uint8_t cluster_buf[SECTOR_SIZE
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* SECTORS_PER_CLUSTER];
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uint32_t cluster_size = sizeof( cluster_buf );
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off_t off;
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memset( cluster_buf, 0xFE, cluster_size );
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format_and_mount( dev_name, mount_dir );
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fd = create_file( file_name );
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rtems_test_assert( fd >= 0 );
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num_bytes = write( fd, cluster_buf, cluster_size );
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rtems_test_assert( (ssize_t) cluster_size == num_bytes );
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off = lseek( fd, 0, SEEK_SET );
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rtems_test_assert( off == 0 );
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reset_block_stats( dev_name, mount_dir );
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/* Write a complete cluster into an existing file space */
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num_bytes = write( fd, cluster_buf, cluster_size );
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rtems_test_assert( (ssize_t) cluster_size == num_bytes );
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check_block_stats( dev_name, mount_dir, &complete_block_stats );
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reset_block_stats( dev_name, mount_dir );
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num_bytes = write( fd, cluster_buf, cluster_size );
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rtems_test_assert( (ssize_t) cluster_size == num_bytes );
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/* Write a new partial cluster into a new file space */
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num_bytes = write( fd, cluster_buf, 1 );
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rtems_test_assert( num_bytes == 1 );
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check_block_stats( dev_name, mount_dir, &new_block_stats );
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rv = close( fd );
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rtems_test_assert( 0 == rv );
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rv = unmount( mount_dir );
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rtems_test_assert( 0 == rv );
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}
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static void test_fat12_root_directory_write( const char *dev_name,
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const char *mount_dir,
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const char *file_name )
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{
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static const rtems_blkdev_stats fat12_root_dir_stats = {
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.read_hits = 11,
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.read_misses = 2,
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.read_ahead_transfers = 0,
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.read_blocks = 2,
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.read_errors = 0,
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.write_transfers = 1,
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.write_blocks = 1,
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.write_errors = 0
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};
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int fd;
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int rv;
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format_and_mount( dev_name, mount_dir );
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reset_block_stats( dev_name, mount_dir );
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fd = create_file( file_name );
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rtems_test_assert( fd >= 0 );
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rv = close( fd );
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rtems_test_assert( rv == 0 );
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check_block_stats( dev_name, mount_dir, &fat12_root_dir_stats );
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rv = unmount( mount_dir );
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rtems_test_assert( rv == 0 );
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}
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static void test( void )
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{
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static const char dev_name[] = "/dev/sda";
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static const char mount_dir[] = "/mnt";
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static const char file_name[] = "/mnt/file.txt";
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rtems_status_code sc;
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int rv;
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sc = rtems_disk_io_initialize();
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rtems_test_assert( sc == RTEMS_SUCCESSFUL );
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rv = mkdir( mount_dir, S_IRWXU | S_IRWXG | S_IRWXO );
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rtems_test_assert( 0 == rv );
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/* A 1.44 MB disk */
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sc = rtems_sparse_disk_create_and_register(
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dev_name,
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SECTOR_SIZE,
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64,
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2880,
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0
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);
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rtems_test_assert( RTEMS_SUCCESSFUL == sc );
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test_fat12_root_directory_write( dev_name, mount_dir, file_name );
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test_normal_file_write( dev_name, mount_dir, file_name );
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rv = unlink( dev_name );
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rtems_test_assert( rv == 0 );
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}
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static void Init( rtems_task_argument arg )
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{
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TEST_BEGIN();
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test();
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TEST_END();
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rtems_test_exit( 0 );
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}
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#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
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#define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER
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#define CONFIGURE_APPLICATION_NEEDS_LIBBLOCK
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#define CONFIGURE_FILESYSTEM_DOSFS
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/* 1 device file for blkstats + 1 file for writing + 1 mount_dir + stdin + stdout + stderr + device file when mounted */
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#define CONFIGURE_LIBIO_MAXIMUM_FILE_DESCRIPTORS 8
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#define CONFIGURE_UNLIMITED_OBJECTS
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#define CONFIGURE_UNIFIED_WORK_AREAS
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#define CONFIGURE_INIT_TASK_STACK_SIZE ( 32 * 1024 )
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#define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION
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#define CONFIGURE_RTEMS_INIT_TASKS_TABLE
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#define CONFIGURE_BDBUF_BUFFER_MAX_SIZE ( 32 * 1024 )
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#define CONFIGURE_INIT
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#include <rtems/confdefs.h>
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