static void test_blkdev_imfs_read_and_write(void)
{
rtems_status_code sc;
int rv;
ramdisk *rd;
int fd;
off_t off;
rd = ramdisk_allocate(area_a, BLOCK_SIZE, BLOCK_COUNT, false);
rtems_test_assert(rd != NULL);
ramdisk_enable_free_at_delete_request(rd);
sc = rtems_blkdev_create(
rda,
BLOCK_SIZE,
BLOCK_COUNT,
ramdisk_ioctl,
rd
);
ASSERT_SC(sc);
fd = open(rda, O_RDWR);
rtems_test_assert(fd >= 0);
area_init(area_a);
area_read(fd, area_b);
area_compare(area_a, area_b, true);
off = lseek(fd, 0, SEEK_SET);
rtems_test_assert(off == 0);
area_init(area_b);
area_write(fd, area_b);
area_compare(area_a, area_b, false);
rv = close(fd);
rtems_test_assert(rv == 0);
rv = unlink(rda);
rtems_test_assert(rv == 0);
area_compare(area_a, area_b, true);
}
static void test_diskdevs(void)
{
rtems_status_code sc = RTEMS_SUCCESSFUL;
rtems_device_major_number major = 0;
rtems_device_minor_number minor = 0;
rtems_disk_device *physical_dd = NULL;
rtems_disk_device *logical_dd = NULL;
rtems_disk_device *dd = NULL;
dev_t physical_dev = 0;
dev_t logical_dev = 0;
dev_t logical_2_dev = 0;
dev_t const big_major_dev = rtems_filesystem_make_dev_t((rtems_device_major_number) -2, 0);
dev_t const big_minor_dev = rtems_filesystem_make_dev_t(0, (rtems_device_minor_number) -2);
ramdisk *const rd = ramdisk_allocate(NULL, BLOCK_SIZE, BLOCK_COUNT, false);
rtems_test_assert(rd != NULL);
sc = rtems_disk_io_initialize();
ASSERT_SC(sc);
sc = rtems_io_register_driver(0, &ramdisk_ops, &major);
ASSERT_SC(sc);
physical_dev = rtems_filesystem_make_dev_t(major, minor);
logical_dev = rtems_filesystem_make_dev_t(major, minor + 1);
logical_2_dev = rtems_filesystem_make_dev_t(major, minor + 2);
/* Consistency checks for physical disks creation */
sc = rtems_disk_create_phys(physical_dev, BLOCK_SIZE, BLOCK_COUNT, NULL, rd, "/dev/rda");
ASSERT_SC_EQ(sc, RTEMS_INVALID_ADDRESS);
sc = rtems_disk_create_phys(physical_dev, 0, BLOCK_COUNT, ramdisk_ioctl, rd, "/dev/rda");
ASSERT_SC_EQ(sc, RTEMS_INVALID_NUMBER);
sc = rtems_disk_create_phys(big_major_dev, BLOCK_SIZE, BLOCK_COUNT, ramdisk_ioctl, rd, "/dev/rda");
ASSERT_SC_EQ(sc, RTEMS_NO_MEMORY);
sc = rtems_disk_create_phys(big_minor_dev, BLOCK_SIZE, BLOCK_COUNT, ramdisk_ioctl, rd, "/dev/rda");
ASSERT_SC_EQ(sc, RTEMS_NO_MEMORY);
sc = rtems_disk_create_phys(physical_dev, BLOCK_SIZE, BLOCK_COUNT, ramdisk_ioctl, rd, NULL);
ASSERT_SC(sc);
sc = rtems_disk_create_phys(physical_dev, BLOCK_SIZE, BLOCK_COUNT, ramdisk_ioctl, rd, NULL);
ASSERT_SC_EQ(sc, RTEMS_RESOURCE_IN_USE);
sc = rtems_disk_delete(physical_dev);
ASSERT_SC(sc);
/* Consistency checks for logical disks creation */
sc = rtems_disk_create_log(logical_dev, physical_dev, 0, 1, "/dev/rda1");
ASSERT_SC_EQ(sc, RTEMS_INVALID_ID);
sc = rtems_disk_create_phys(physical_dev, BLOCK_SIZE, BLOCK_COUNT, ramdisk_ioctl, rd, "/dev/rda");
ASSERT_SC(sc);
sc = rtems_disk_create_log(big_major_dev, physical_dev, 0, 1, "/dev/rda1");
ASSERT_SC_EQ(sc, RTEMS_NO_MEMORY);
sc = rtems_disk_create_log(big_minor_dev, physical_dev, 0, 1, "/dev/rda1");
ASSERT_SC_EQ(sc, RTEMS_NO_MEMORY);
sc = rtems_disk_create_log(logical_dev, physical_dev, BLOCK_COUNT, 0, "/dev/rda1");
ASSERT_SC_EQ(sc, RTEMS_INVALID_NUMBER);
sc = rtems_disk_create_log(logical_dev, physical_dev, 0, BLOCK_COUNT + 1, "/dev/rda1");
ASSERT_SC_EQ(sc, RTEMS_INVALID_NUMBER);
sc = rtems_disk_create_log(logical_dev, physical_dev, 1, BLOCK_COUNT, "/dev/rda1");
ASSERT_SC_EQ(sc, RTEMS_INVALID_NUMBER);
sc = rtems_disk_create_log(logical_dev, physical_dev, 0, 1, "/dev/rda1");
ASSERT_SC(sc);
sc = rtems_disk_create_log(logical_dev, physical_dev, 0, 1, "/dev/rda1");
ASSERT_SC_EQ(sc, RTEMS_RESOURCE_IN_USE);
sc = rtems_disk_create_log(logical_2_dev, logical_dev, 0, 1, "/dev/rda1");
ASSERT_SC_EQ(sc, RTEMS_INVALID_ID);
sc = rtems_disk_delete(logical_dev);
ASSERT_SC(sc);
/* Consistency checks delete */
sc = rtems_disk_create_log(logical_dev, physical_dev, 0, 1, "/dev/rda1");
ASSERT_SC(sc);
physical_dd = rtems_disk_obtain(physical_dev);
rtems_test_assert(physical_dd != NULL && physical_dd->uses == 2);
sc = rtems_disk_release(physical_dd);
ASSERT_SC(sc);
logical_dd = rtems_disk_obtain(logical_dev);
rtems_test_assert(logical_dd != NULL && logical_dd->uses == 1);
sc = rtems_disk_delete(physical_dev);
ASSERT_SC(sc);
sc = rtems_disk_create_phys(physical_dev, BLOCK_SIZE, BLOCK_COUNT, ramdisk_ioctl, rd, "/dev/rda");
ASSERT_SC_EQ(sc, RTEMS_RESOURCE_IN_USE);
dd = rtems_disk_obtain(physical_dev);
rtems_test_assert(dd == NULL);
dd = rtems_disk_obtain(logical_dev);
rtems_test_assert(dd == NULL);
sc = rtems_disk_release(logical_dd);
ASSERT_SC(sc);
/* Cleanup */
sc = rtems_io_unregister_driver(major);
ASSERT_SC(sc);
ramdisk_free(rd);
sc = rtems_disk_io_done();
ASSERT_SC(sc);
}
static void test_blkdev_imfs_errors(void)
{
static uintptr_t disk_size [] = { sizeof(rtems_disk_device) + sizeof(int) };
rtems_status_code sc;
int rv;
ramdisk *rd;
void *opaque;
rd = ramdisk_allocate(NULL, BLOCK_SIZE, BLOCK_COUNT, false);
rtems_test_assert(rd != NULL);
ramdisk_enable_free_at_delete_request(rd);
sc = rtems_blkdev_create(
rda,
0,
BLOCK_COUNT,
ramdisk_ioctl,
rd
);
rtems_test_assert(sc == RTEMS_INVALID_NUMBER);
sc = rtems_blkdev_create(
rda,
BLOCK_SIZE,
0,
ramdisk_ioctl,
rd
);
rtems_test_assert(sc == RTEMS_INVALID_NUMBER);
opaque = rtems_heap_greedy_allocate(NULL, 0);
sc = rtems_blkdev_create(
rda,
BLOCK_SIZE,
BLOCK_COUNT,
ramdisk_ioctl,
rd
);
rtems_test_assert(sc == RTEMS_NO_MEMORY);
rtems_heap_greedy_free(opaque);
opaque = rtems_heap_greedy_allocate(disk_size, 1);
sc = rtems_blkdev_create(
rda,
BLOCK_SIZE,
BLOCK_COUNT,
ramdisk_ioctl,
rd
);
rtems_test_assert(sc == RTEMS_UNSATISFIED);
rtems_heap_greedy_free(opaque);
sc = rtems_blkdev_create(
rda,
BLOCK_SIZE,
BLOCK_COUNT,
ramdisk_ioctl,
rd
);
ASSERT_SC(sc);
sc = rtems_blkdev_create_partition(
rda1,
not_exist,
0,
BLOCK_COUNT
);
rtems_test_assert(sc == RTEMS_INVALID_ID);
rv = mknod(not_blkdev, S_IFREG | S_IRWXU | S_IRWXG | S_IRWXO, 0);
rtems_test_assert(rv == 0);
sc = rtems_blkdev_create_partition(
rda1,
not_blkdev,
0,
BLOCK_COUNT
);
rtems_test_assert(sc == RTEMS_INVALID_NODE);
rv = mknod(invalid_blkdev, S_IFBLK | S_IRWXU | S_IRWXG | S_IRWXO, 0);
rtems_test_assert(rv == 0);
sc = rtems_blkdev_create_partition(
rda1,
invalid_blkdev,
0,
BLOCK_COUNT
);
rtems_test_assert(sc == RTEMS_NOT_IMPLEMENTED);
sc = rtems_blkdev_create_partition(
rda1,
rda,
0,
0
);
rtems_test_assert(sc == RTEMS_INVALID_NUMBER);
sc = rtems_blkdev_create_partition(
rda1,
rda,
BLOCK_COUNT,
BLOCK_COUNT
);
rtems_test_assert(sc == RTEMS_INVALID_NUMBER);
sc = rtems_blkdev_create_partition(
rda1,
rda,
0,
BLOCK_COUNT + 1
);
rtems_test_assert(sc == RTEMS_INVALID_NUMBER);
opaque = rtems_heap_greedy_allocate(NULL, 0);
sc = rtems_blkdev_create_partition(
rda1,
rda,
0,
BLOCK_COUNT
);
rtems_test_assert(sc == RTEMS_NO_MEMORY);
rtems_heap_greedy_free(opaque);
opaque = rtems_heap_greedy_allocate(disk_size, 1);
sc = rtems_blkdev_create_partition(
rda1,
rda,
0,
BLOCK_COUNT
);
rtems_test_assert(sc == RTEMS_UNSATISFIED);
rtems_heap_greedy_free(opaque);
rv = unlink(rda);
rtems_test_assert(rv == 0);
}
static void test_blkdev_imfs_parameters(void)
{
rtems_status_code sc;
int rv;
ramdisk *rd;
int fd;
rtems_disk_device *dd;
struct stat st;
rd = ramdisk_allocate(NULL, BLOCK_SIZE, BLOCK_COUNT, false);
rtems_test_assert(rd != NULL);
ramdisk_enable_free_at_delete_request(rd);
sc = rtems_blkdev_create(
rda,
BLOCK_SIZE,
BLOCK_COUNT,
ramdisk_ioctl,
rd
);
ASSERT_SC(sc);
sc = rtems_blkdev_create_partition(
rda1,
rda,
1,
BLOCK_COUNT - 1
);
ASSERT_SC(sc);
fd = open(rda, O_RDWR);
rtems_test_assert(fd >= 0);
rv = fstat(fd, &st);
rtems_test_assert(rv == 0);
rv = rtems_disk_fd_get_disk_device(fd, &dd);
rtems_test_assert(rv == 0);
rtems_test_assert(rtems_disk_get_driver_data(dd) == rd);
rtems_test_assert(rtems_disk_get_device_identifier(dd) == st.st_rdev);
rtems_test_assert(rtems_disk_get_media_block_size(dd) == BLOCK_SIZE);
rtems_test_assert(rtems_disk_get_block_size(dd) == BLOCK_SIZE);
rtems_test_assert(rtems_disk_get_block_begin(dd) == 0);
rtems_test_assert(rtems_disk_get_block_count(dd) == BLOCK_COUNT);
rv = close(fd);
rtems_test_assert(rv == 0);
fd = open(rda1, O_RDWR);
rtems_test_assert(fd >= 0);
rv = fstat(fd, &st);
rtems_test_assert(rv == 0);
rv = rtems_disk_fd_get_disk_device(fd, &dd);
rtems_test_assert(rv == 0);
rtems_test_assert(rtems_disk_get_driver_data(dd) == rd);
rtems_test_assert(rtems_disk_get_device_identifier(dd) == st.st_rdev);
rtems_test_assert(rtems_disk_get_media_block_size(dd) == BLOCK_SIZE);
rtems_test_assert(rtems_disk_get_block_size(dd) == BLOCK_SIZE);
rtems_test_assert(rtems_disk_get_block_begin(dd) == 1);
rtems_test_assert(rtems_disk_get_block_count(dd) == BLOCK_COUNT - 1);
rv = close(fd);
rtems_test_assert(rv == 0);
rv = unlink(rda1);
rtems_test_assert(rv == 0);
rv = unlink(rda);
rtems_test_assert(rv == 0);
}
