[42a22f08] | 1 | /* |
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| 2 | * Copyright (c) 2012 embedded brains GmbH. All rights reserved. |
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| 3 | * |
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| 4 | * embedded brains GmbH |
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| 5 | * Obere Lagerstr. 30 |
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| 6 | * 82178 Puchheim |
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| 7 | * Germany |
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| 8 | * <rtems@embedded-brains.de> |
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| 9 | * |
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| 10 | * The license and distribution terms for this file may be |
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| 11 | * found in the file LICENSE in this distribution or at |
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[c499856] | 12 | * http://www.rtems.org/license/LICENSE. |
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[42a22f08] | 13 | */ |
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| 14 | |
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| 15 | #ifdef HAVE_CONFIG_H |
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| 16 | #include "config.h" |
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| 17 | #endif |
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| 18 | |
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| 19 | #include "tmacros.h" |
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| 20 | #include <fcntl.h> |
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| 21 | #include <rtems/dosfs.h> |
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| 22 | #include <rtems/sparse-disk.h> |
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| 23 | #include <rtems/blkdev.h> |
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| 24 | #include <bsp.h> |
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| 25 | |
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[bc75887] | 26 | const char rtems_test_name[] = "FSDOSFSWRITE 1"; |
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| 27 | |
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[42a22f08] | 28 | #define MAX_PATH_LENGTH 100 /* Maximum number of characters per path */ |
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| 29 | #define SECTOR_SIZE 512 /* sector size (bytes) */ |
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| 30 | #define FAT16_MAX_CLN 65525 /* maximum + 1 number of clusters for FAT16 */ |
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| 31 | #define FAT16_DEFAULT_SECTORS_PER_CLUSTER 32 /* Default number of sectors per cluster for FAT16 */ |
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| 32 | #define SECTORS_PER_CLUSTER 2 |
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| 33 | |
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| 34 | static void format_and_mount( const char *dev_name, const char *mount_dir ) |
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| 35 | { |
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| 36 | static const msdos_format_request_param_t rqdata = { |
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| 37 | .sectors_per_cluster = SECTORS_PER_CLUSTER, |
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| 38 | .quick_format = true |
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| 39 | }; |
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| 40 | |
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| 41 | int rv; |
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| 42 | |
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| 43 | |
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| 44 | rv = msdos_format( dev_name, &rqdata ); |
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| 45 | rtems_test_assert( rv == 0 ); |
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| 46 | |
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| 47 | rv = mount( dev_name, |
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| 48 | mount_dir, |
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| 49 | RTEMS_FILESYSTEM_TYPE_DOSFS, |
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| 50 | RTEMS_FILESYSTEM_READ_WRITE, |
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| 51 | NULL ); |
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| 52 | rtems_test_assert( rv == 0 ); |
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| 53 | } |
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| 54 | |
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| 55 | static void do_fsync( const char *file ) |
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| 56 | { |
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| 57 | int rv; |
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| 58 | int fd; |
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| 59 | |
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| 60 | |
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| 61 | fd = open( file, O_RDONLY ); |
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| 62 | rtems_test_assert( fd >= 0 ); |
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| 63 | |
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| 64 | rv = fsync( fd ); |
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| 65 | rtems_test_assert( rv == 0 ); |
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| 66 | |
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| 67 | rv = close( fd ); |
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| 68 | rtems_test_assert( rv == 0 ); |
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| 69 | } |
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| 70 | |
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| 71 | static void check_block_stats( const char *dev_name, |
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| 72 | const char *mount_dir, |
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| 73 | const rtems_blkdev_stats *expected_stats ) |
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| 74 | { |
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| 75 | int fd; |
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| 76 | int rv; |
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| 77 | rtems_blkdev_stats actual_stats; |
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| 78 | |
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| 79 | |
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| 80 | do_fsync( mount_dir ); |
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| 81 | |
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| 82 | fd = open( dev_name, O_RDONLY ); |
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| 83 | rtems_test_assert( fd >= 0 ); |
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| 84 | |
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| 85 | rv = ioctl( fd, RTEMS_BLKIO_GETDEVSTATS, &actual_stats ); |
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| 86 | rtems_test_assert( rv == 0 ); |
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| 87 | rtems_test_assert( memcmp( &actual_stats, expected_stats, |
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| 88 | sizeof( actual_stats ) ) == 0 ); |
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| 89 | |
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| 90 | rv = close( fd ); |
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| 91 | rtems_test_assert( rv == 0 ); |
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| 92 | } |
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| 93 | |
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| 94 | static void reset_block_stats( const char *dev_name, const char *mount_dir ) |
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| 95 | { |
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| 96 | int fd; |
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| 97 | int rv; |
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| 98 | |
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| 99 | |
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| 100 | do_fsync( mount_dir ); |
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| 101 | |
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| 102 | fd = open( dev_name, O_RDONLY ); |
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| 103 | rtems_test_assert( fd >= 0 ); |
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| 104 | |
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| 105 | rv = ioctl( fd, RTEMS_BLKIO_PURGEDEV ); |
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| 106 | rtems_test_assert( rv == 0 ); |
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| 107 | |
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| 108 | rv = ioctl( fd, RTEMS_BLKIO_RESETDEVSTATS ); |
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| 109 | rtems_test_assert( rv == 0 ); |
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| 110 | |
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| 111 | rv = close( fd ); |
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| 112 | rtems_test_assert( rv == 0 ); |
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| 113 | } |
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| 114 | |
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| 115 | static int create_file( const char *file_name ) |
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| 116 | { |
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| 117 | mode_t mode = S_IRWXU | S_IRWXG | S_IRWXO; |
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| 118 | |
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| 119 | |
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| 120 | return creat( file_name, mode ); |
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| 121 | } |
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| 122 | |
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| 123 | static void test_normal_file_write( |
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| 124 | const char *dev_name, |
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| 125 | const char *mount_dir, |
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| 126 | const char *file_name ) |
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| 127 | { |
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[e69ee36] | 128 | static const rtems_blkdev_stats complete_existing_block_stats = { |
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[42a22f08] | 129 | .read_hits = 0, |
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| 130 | .read_misses = 0, |
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| 131 | .read_ahead_transfers = 0, |
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| 132 | .read_blocks = 0, |
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| 133 | .read_errors = 0, |
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| 134 | .write_transfers = 1, |
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| 135 | .write_blocks = 1, |
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| 136 | .write_errors = 0 |
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| 137 | }; |
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[e69ee36] | 138 | static const rtems_blkdev_stats complete_new_block_stats = { |
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| 139 | .read_hits = 3, |
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[42a22f08] | 140 | .read_misses = 2, |
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| 141 | .read_ahead_transfers = 0, |
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| 142 | .read_blocks = 2, |
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| 143 | .read_errors = 0, |
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| 144 | .write_transfers = 1, |
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[e69ee36] | 145 | .write_blocks = 3, |
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| 146 | .write_errors = 0 |
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| 147 | }; |
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| 148 | static const rtems_blkdev_stats partial_new_block_stats = { |
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| 149 | .read_hits = 3, |
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| 150 | .read_misses = 3, |
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| 151 | .read_ahead_transfers = 0, |
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| 152 | .read_blocks = 3, |
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| 153 | .read_errors = 0, |
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| 154 | .write_transfers = 1, |
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| 155 | .write_blocks = 3, |
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[42a22f08] | 156 | .write_errors = 0 |
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| 157 | }; |
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| 158 | |
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| 159 | int rv; |
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| 160 | int fd; |
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| 161 | ssize_t num_bytes; |
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| 162 | uint8_t cluster_buf[SECTOR_SIZE |
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| 163 | * SECTORS_PER_CLUSTER]; |
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| 164 | uint32_t cluster_size = sizeof( cluster_buf ); |
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| 165 | off_t off; |
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| 166 | |
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| 167 | |
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| 168 | memset( cluster_buf, 0xFE, cluster_size ); |
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| 169 | |
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| 170 | format_and_mount( dev_name, mount_dir ); |
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| 171 | |
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| 172 | fd = create_file( file_name ); |
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| 173 | rtems_test_assert( fd >= 0 ); |
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| 174 | |
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| 175 | num_bytes = write( fd, cluster_buf, cluster_size ); |
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| 176 | rtems_test_assert( (ssize_t) cluster_size == num_bytes ); |
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| 177 | |
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| 178 | off = lseek( fd, 0, SEEK_SET ); |
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| 179 | rtems_test_assert( off == 0 ); |
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| 180 | |
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| 181 | reset_block_stats( dev_name, mount_dir ); |
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| 182 | |
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| 183 | /* Write a complete cluster into an existing file space */ |
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| 184 | num_bytes = write( fd, cluster_buf, cluster_size ); |
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| 185 | rtems_test_assert( (ssize_t) cluster_size == num_bytes ); |
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| 186 | |
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[e69ee36] | 187 | check_block_stats( dev_name, mount_dir, &complete_existing_block_stats ); |
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[42a22f08] | 188 | reset_block_stats( dev_name, mount_dir ); |
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| 189 | |
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[e69ee36] | 190 | /* Write a complete cluster into a new file space */ |
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[42a22f08] | 191 | num_bytes = write( fd, cluster_buf, cluster_size ); |
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| 192 | rtems_test_assert( (ssize_t) cluster_size == num_bytes ); |
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| 193 | |
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[e69ee36] | 194 | check_block_stats( dev_name, mount_dir, &complete_new_block_stats ); |
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| 195 | reset_block_stats( dev_name, mount_dir ); |
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| 196 | |
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[42a22f08] | 197 | /* Write a new partial cluster into a new file space */ |
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| 198 | num_bytes = write( fd, cluster_buf, 1 ); |
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| 199 | rtems_test_assert( num_bytes == 1 ); |
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| 200 | |
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[e69ee36] | 201 | check_block_stats( dev_name, mount_dir, &partial_new_block_stats ); |
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[42a22f08] | 202 | |
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| 203 | rv = close( fd ); |
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| 204 | rtems_test_assert( 0 == rv ); |
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| 205 | |
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| 206 | rv = unmount( mount_dir ); |
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| 207 | rtems_test_assert( 0 == rv ); |
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| 208 | } |
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| 209 | |
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| 210 | static void test_fat12_root_directory_write( const char *dev_name, |
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| 211 | const char *mount_dir, |
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| 212 | const char *file_name ) |
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| 213 | { |
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| 214 | static const rtems_blkdev_stats fat12_root_dir_stats = { |
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| 215 | .read_hits = 11, |
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| 216 | .read_misses = 2, |
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| 217 | .read_ahead_transfers = 0, |
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| 218 | .read_blocks = 2, |
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| 219 | .read_errors = 0, |
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| 220 | .write_transfers = 1, |
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| 221 | .write_blocks = 1, |
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| 222 | .write_errors = 0 |
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| 223 | }; |
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| 224 | |
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| 225 | int fd; |
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| 226 | int rv; |
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| 227 | |
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| 228 | |
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| 229 | format_and_mount( dev_name, mount_dir ); |
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| 230 | |
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| 231 | reset_block_stats( dev_name, mount_dir ); |
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| 232 | |
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| 233 | fd = create_file( file_name ); |
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| 234 | rtems_test_assert( fd >= 0 ); |
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| 235 | |
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| 236 | rv = close( fd ); |
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| 237 | rtems_test_assert( rv == 0 ); |
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| 238 | |
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| 239 | check_block_stats( dev_name, mount_dir, &fat12_root_dir_stats ); |
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| 240 | |
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| 241 | rv = unmount( mount_dir ); |
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| 242 | rtems_test_assert( rv == 0 ); |
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| 243 | } |
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| 244 | |
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| 245 | static void test( void ) |
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| 246 | { |
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| 247 | static const char dev_name[] = "/dev/sda"; |
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| 248 | static const char mount_dir[] = "/mnt"; |
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| 249 | static const char file_name[] = "/mnt/file.txt"; |
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| 250 | |
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| 251 | rtems_status_code sc; |
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| 252 | int rv; |
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| 253 | |
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| 254 | |
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| 255 | sc = rtems_disk_io_initialize(); |
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| 256 | rtems_test_assert( sc == RTEMS_SUCCESSFUL ); |
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| 257 | |
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| 258 | rv = mkdir( mount_dir, S_IRWXU | S_IRWXG | S_IRWXO ); |
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| 259 | rtems_test_assert( 0 == rv ); |
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| 260 | |
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| 261 | /* A 1.44 MB disk */ |
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| 262 | sc = rtems_sparse_disk_create_and_register( |
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| 263 | dev_name, |
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| 264 | SECTOR_SIZE, |
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| 265 | 64, |
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| 266 | 2880, |
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| 267 | 0 |
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| 268 | ); |
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| 269 | rtems_test_assert( RTEMS_SUCCESSFUL == sc ); |
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| 270 | |
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| 271 | test_fat12_root_directory_write( dev_name, mount_dir, file_name ); |
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| 272 | |
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| 273 | test_normal_file_write( dev_name, mount_dir, file_name ); |
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| 274 | |
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| 275 | rv = unlink( dev_name ); |
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| 276 | rtems_test_assert( rv == 0 ); |
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| 277 | } |
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| 278 | |
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| 279 | static void Init( rtems_task_argument arg ) |
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| 280 | { |
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[bc75887] | 281 | TEST_BEGIN(); |
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[42a22f08] | 282 | |
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| 283 | test(); |
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| 284 | |
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[bc75887] | 285 | TEST_END(); |
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[42a22f08] | 286 | rtems_test_exit( 0 ); |
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| 287 | } |
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| 288 | |
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| 289 | #define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER |
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| 290 | #define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER |
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| 291 | #define CONFIGURE_APPLICATION_NEEDS_LIBBLOCK |
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| 292 | |
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| 293 | #define CONFIGURE_FILESYSTEM_DOSFS |
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| 294 | |
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| 295 | /* 1 device file for blkstats + 1 file for writing + 1 mount_dir + stdin + stdout + stderr + device file when mounted */ |
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| 296 | #define CONFIGURE_LIBIO_MAXIMUM_FILE_DESCRIPTORS 8 |
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| 297 | |
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| 298 | #define CONFIGURE_UNLIMITED_OBJECTS |
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| 299 | #define CONFIGURE_UNIFIED_WORK_AREAS |
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| 300 | |
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| 301 | #define CONFIGURE_INIT_TASK_STACK_SIZE ( 32 * 1024 ) |
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| 302 | |
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[bc75887] | 303 | #define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION |
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| 304 | |
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[42a22f08] | 305 | #define CONFIGURE_RTEMS_INIT_TASKS_TABLE |
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| 306 | |
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| 307 | #define CONFIGURE_BDBUF_BUFFER_MAX_SIZE ( 32 * 1024 ) |
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| 308 | |
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| 309 | #define CONFIGURE_INIT |
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| 310 | |
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[bc75887] | 311 | #include <rtems/confdefs.h> |
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