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/*-
* BSD LICENSE
*
* Copyright (c) Intel Corporation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE AiRE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "spdk/stdinc.h"
#include "spdk_cunit.h"
#include "spdk/env.h"
#include "spdk_internal/mock.h"
#include "bdev/raid/raid5.c"
DEFINE_STUB_V(raid_bdev_module_list_add, (struct raid_bdev_module *raid_module));
DEFINE_STUB_V(raid_bdev_io_complete, (struct raid_bdev_io *raid_io,
enum spdk_bdev_io_status status));
struct raid5_params {
uint8_t num_base_bdevs;
uint64_t base_bdev_blockcnt;
uint32_t base_bdev_blocklen;
uint32_t strip_size;
};
static struct raid5_params *g_params;
static size_t g_params_count;
#define ARRAY_FOR_EACH(a, e) \
for (e = a; e < a + SPDK_COUNTOF(a); e++)
#define RAID5_PARAMS_FOR_EACH(p) \
for (p = g_params; p < g_params + g_params_count; p++)
static int
test_setup(void)
{
uint8_t num_base_bdevs_values[] = { 3, 4, 5 };
uint64_t base_bdev_blockcnt_values[] = { 1, 1024, 1024 * 1024 };
uint32_t base_bdev_blocklen_values[] = { 512, 4096 };
uint32_t strip_size_kb_values[] = { 1, 4, 128 };
uint8_t *num_base_bdevs;
uint64_t *base_bdev_blockcnt;
uint32_t *base_bdev_blocklen;
uint32_t *strip_size_kb;
struct raid5_params *params;
g_params_count = SPDK_COUNTOF(num_base_bdevs_values) *
SPDK_COUNTOF(base_bdev_blockcnt_values) *
SPDK_COUNTOF(base_bdev_blocklen_values) *
SPDK_COUNTOF(strip_size_kb_values);
g_params = calloc(g_params_count, sizeof(*g_params));
if (!g_params) {
return -ENOMEM;
}
params = g_params;
ARRAY_FOR_EACH(num_base_bdevs_values, num_base_bdevs) {
ARRAY_FOR_EACH(base_bdev_blockcnt_values, base_bdev_blockcnt) {
ARRAY_FOR_EACH(base_bdev_blocklen_values, base_bdev_blocklen) {
ARRAY_FOR_EACH(strip_size_kb_values, strip_size_kb) {
params->num_base_bdevs = *num_base_bdevs;
params->base_bdev_blockcnt = *base_bdev_blockcnt;
params->base_bdev_blocklen = *base_bdev_blocklen;
params->strip_size = *strip_size_kb * 1024 / *base_bdev_blocklen;
if (params->strip_size == 0 ||
params->strip_size > *base_bdev_blockcnt) {
g_params_count--;
continue;
}
params++;
}
}
}
}
return 0;
}
static int
test_cleanup(void)
{
free(g_params);
return 0;
}
static struct raid_bdev *
create_raid_bdev(struct raid5_params *params)
{
struct raid_bdev *raid_bdev;
struct raid_base_bdev_info *base_info;
raid_bdev = calloc(1, sizeof(*raid_bdev));
SPDK_CU_ASSERT_FATAL(raid_bdev != NULL);
raid_bdev->module = &g_raid5_module;
raid_bdev->num_base_bdevs = params->num_base_bdevs;
raid_bdev->base_bdev_info = calloc(raid_bdev->num_base_bdevs,
sizeof(struct raid_base_bdev_info));
SPDK_CU_ASSERT_FATAL(raid_bdev->base_bdev_info != NULL);
RAID_FOR_EACH_BASE_BDEV(raid_bdev, base_info) {
base_info->bdev = calloc(1, sizeof(*base_info->bdev));
SPDK_CU_ASSERT_FATAL(base_info->bdev != NULL);
base_info->bdev->blockcnt = params->base_bdev_blockcnt;
base_info->bdev->blocklen = params->base_bdev_blocklen;
}
raid_bdev->strip_size = params->strip_size;
raid_bdev->strip_size_shift = spdk_u32log2(raid_bdev->strip_size);
raid_bdev->bdev.blocklen = params->base_bdev_blocklen;
return raid_bdev;
}
static void
delete_raid_bdev(struct raid_bdev *raid_bdev)
{
struct raid_base_bdev_info *base_info;
RAID_FOR_EACH_BASE_BDEV(raid_bdev, base_info) {
free(base_info->bdev);
}
free(raid_bdev->base_bdev_info);
free(raid_bdev);
}
static struct raid5_info *
create_raid5(struct raid5_params *params)
{
struct raid_bdev *raid_bdev = create_raid_bdev(params);
SPDK_CU_ASSERT_FATAL(raid5_start(raid_bdev) == 0);
return raid_bdev->module_private;
}
static void
delete_raid5(struct raid5_info *r5info)
{
struct raid_bdev *raid_bdev = r5info->raid_bdev;
raid5_stop(raid_bdev);
delete_raid_bdev(raid_bdev);
}
static void
test_raid5_start(void)
{
struct raid5_params *params;
RAID5_PARAMS_FOR_EACH(params) {
struct raid5_info *r5info;
r5info = create_raid5(params);
CU_ASSERT_EQUAL(r5info->stripe_blocks, params->strip_size * (params->num_base_bdevs - 1));
CU_ASSERT_EQUAL(r5info->total_stripes, params->base_bdev_blockcnt / params->strip_size);
CU_ASSERT_EQUAL(r5info->raid_bdev->bdev.blockcnt,
(params->base_bdev_blockcnt - params->base_bdev_blockcnt % params->strip_size) *
(params->num_base_bdevs - 1));
CU_ASSERT_EQUAL(r5info->raid_bdev->bdev.optimal_io_boundary, r5info->stripe_blocks);
delete_raid5(r5info);
}
}
int
main(int argc, char **argv)
{
CU_pSuite suite = NULL;
unsigned int num_failures;
CU_set_error_action(CUEA_ABORT);
CU_initialize_registry();
suite = CU_add_suite("raid5", test_setup, test_cleanup);
CU_ADD_TEST(suite, test_raid5_start);
CU_basic_set_mode(CU_BRM_VERBOSE);
CU_basic_run_tests();
num_failures = CU_get_number_of_failures();
CU_cleanup_registry();
return num_failures;
}
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