/*
* Copyright (c) 2012, 2018 embedded brains GmbH. All rights reserved.
*
* embedded brains GmbH
* Dornierstr. 4
* 82178 Puchheim
* Germany
* <rtems@embedded-brains.de>
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "tmacros.h"
#include <sys/stat.h>
#include <assert.h>
#include <errno.h>
#include <fcntl.h>
#include <string.h>
#include <unistd.h>
#include <rtems/bdbuf.h>
const char rtems_test_name[] = "BLOCK 14";
#define ACTION_COUNT 7
#define BLOCK_COUNT 6
#define DISK_PATH "/disk"
typedef struct {
rtems_blkdev_bnum block;
rtems_status_code (*get)(
rtems_disk_device *dd,
rtems_blkdev_bnum block,
rtems_bdbuf_buffer **bd_ptr
);
rtems_status_code expected_get_status;
rtems_status_code (*release)(rtems_bdbuf_buffer *bd);
} test_action;
static const test_action actions [ACTION_COUNT] = {
{ 0, rtems_bdbuf_read, RTEMS_SUCCESSFUL, rtems_bdbuf_release },
{ 1, rtems_bdbuf_read, RTEMS_SUCCESSFUL, rtems_bdbuf_release },
{ 2, rtems_bdbuf_read, RTEMS_SUCCESSFUL, rtems_bdbuf_release },
{ 0, rtems_bdbuf_read, RTEMS_SUCCESSFUL, rtems_bdbuf_release },
{ 4, rtems_bdbuf_get, RTEMS_SUCCESSFUL, rtems_bdbuf_sync },
{ 5, rtems_bdbuf_read, RTEMS_IO_ERROR, rtems_bdbuf_release },
{ 5, rtems_bdbuf_get, RTEMS_SUCCESSFUL, rtems_bdbuf_sync }
};
#define STATS(a, b, c, d, e, f, g, h) \
{ \
.read_hits = a, \
.read_misses = b, \
.read_ahead_transfers = c, \
.read_blocks = d, \
.read_errors = e, \
.write_transfers = f, \
.write_blocks = g, \
.write_errors = h \
}
static const rtems_blkdev_stats expected_stats [ACTION_COUNT] = {
STATS(0, 1, 0, 1, 0, 0, 0, 0),
STATS(0, 2, 1, 3, 0, 0, 0, 0),
STATS(1, 2, 2, 4, 0, 0, 0, 0),
STATS(2, 2, 2, 4, 0, 0, 0, 0),
STATS(2, 2, 2, 4, 0, 1, 1, 0),
STATS(2, 3, 2, 5, 1, 1, 1, 0),
STATS(2, 3, 2, 5, 1, 2, 2, 1)
};
static const int expected_block_access_counts [ACTION_COUNT] [BLOCK_COUNT] = {
{ 1, 0, 0, 0, 0, 0 },
{ 1, 1, 1, 0, 0, 0 },
{ 1, 1, 1, 1, 0, 0 },
{ 1, 1, 1, 1, 0, 0 },
{ 1, 1, 1, 1, 1, 0 },
{ 1, 1, 1, 1, 1, 1 },
{ 1, 1, 1, 1, 1, 2 }
};
static int block_access_counts [BLOCK_COUNT];
static int test_disk_ioctl(rtems_disk_device *dd, uint32_t req, void *arg)
{
int rv = 0;
if (req == RTEMS_BLKIO_REQUEST) {
rtems_status_code sc = RTEMS_SUCCESSFUL;
rtems_blkdev_request *breq = arg;
rtems_blkdev_sg_buffer *sg = breq->bufs;
uint32_t i;
for (i = 0; i < breq->bufnum; ++i) {
rtems_blkdev_bnum block = sg [i].block;
rtems_test_assert(block < BLOCK_COUNT);
++block_access_counts [block];
if (block == 5) {
sc = RTEMS_IO_ERROR;
}
}
rtems_blkdev_request_done(breq, sc);
} else {
rv = rtems_blkdev_ioctl(dd, req, arg);
}
return rv;
}
static void test_actions(rtems_disk_device *dd)
{
int i;
for (i = 0; i < ACTION_COUNT; ++i) {
const test_action *action = &actions [i];
rtems_status_code sc;
rtems_bdbuf_buffer *bd;
rtems_blkdev_stats stats;
printf("action %i\n", i);
sc = (*action->get)(dd, action->block, &bd);
rtems_test_assert(sc == action->expected_get_status);
if (sc == RTEMS_SUCCESSFUL) {
sc = (*action->release)(bd);
rtems_test_assert(sc == RTEMS_SUCCESSFUL);
}
rtems_test_assert(
memcmp(
block_access_counts,
expected_block_access_counts [i],
sizeof(block_access_counts)
) == 0
);
rtems_bdbuf_get_device_stats(dd, &stats);
rtems_test_assert(
memcmp(
&stats,
&expected_stats [i],
sizeof(stats)
) == 0
);
}
rtems_blkdev_print_stats(&dd->stats, 0, 1, 2, &rtems_test_printer);
}
static void test(void)
{
rtems_status_code sc;
rtems_disk_device *dd;
int fd;
int rv;
sc = rtems_blkdev_create(
DISK_PATH,
1,
BLOCK_COUNT,
test_disk_ioctl,
NULL
);
rtems_test_assert(sc == RTEMS_SUCCESSFUL);
fd = open(DISK_PATH, O_RDWR);
rtems_test_assert(fd >= 0);
rv = rtems_disk_fd_get_disk_device(fd, &dd);
rtems_test_assert(rv == 0);
rv = close(fd);
rtems_test_assert(rv == 0);
test_actions(dd);
rv = unlink(DISK_PATH);
rtems_test_assert(rv == 0);
}
static void Init(rtems_task_argument arg)
{
TEST_BEGIN();
test();
TEST_END();
rtems_test_exit(0);
}
#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
#define CONFIGURE_APPLICATION_NEEDS_SIMPLE_CONSOLE_DRIVER
#define CONFIGURE_APPLICATION_NEEDS_LIBBLOCK
#define CONFIGURE_MAXIMUM_FILE_DESCRIPTORS 4
#define CONFIGURE_BDBUF_BUFFER_MIN_SIZE 1
#define CONFIGURE_BDBUF_BUFFER_MAX_SIZE 1
#define CONFIGURE_BDBUF_CACHE_MEMORY_SIZE BLOCK_COUNT
#define CONFIGURE_BDBUF_MAX_READ_AHEAD_BLOCKS 1
#define CONFIGURE_BDBUF_READ_AHEAD_TASK_PRIORITY 1
#define CONFIGURE_MAXIMUM_TASKS 1
#define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION
#define CONFIGURE_RTEMS_INIT_TASKS_TABLE
#define CONFIGURE_INIT_TASK_INITIAL_MODES RTEMS_DEFAULT_MODES
#define CONFIGURE_INIT_TASK_PRIORITY 2
#define CONFIGURE_INIT_TASK_ATTRIBUTES RTEMS_FLOATING_POINT
#define CONFIGURE_INIT
#include <rtems/confdefs.h>