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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 ARE 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 "common/lib/test_env.c"
#include "ftl/ftl_core.h"
#define L2P_TABLE_SIZE 1024
static struct spdk_ftl_dev *g_dev;
DEFINE_STUB(spdk_bdev_desc_get_bdev, struct spdk_bdev *, (struct spdk_bdev_desc *desc), NULL);
uint64_t
spdk_bdev_get_zone_size(const struct spdk_bdev *bdev)
{
if (g_dev->addr_len > 32) {
return 1ULL << 32;
}
return 1024;
}
uint32_t
spdk_bdev_get_optimal_open_zones(const struct spdk_bdev *bdev)
{
return 100;
}
static struct spdk_ftl_dev *
test_alloc_dev(size_t size)
{
struct spdk_ftl_dev *dev;
dev = calloc(1, sizeof(*dev));
dev->num_lbas = L2P_TABLE_SIZE;
dev->l2p = calloc(L2P_TABLE_SIZE, size);
return dev;
}
static int
setup_l2p_32bit(void)
{
g_dev = test_alloc_dev(sizeof(uint32_t));
g_dev->addr_len = 24;
return 0;
}
static int
setup_l2p_64bit(void)
{
g_dev = test_alloc_dev(sizeof(uint64_t));
g_dev->addr_len = 63;
return 0;
}
static void
clean_l2p(void)
{
size_t l2p_elem_size;
if (ftl_addr_packed(g_dev)) {
l2p_elem_size = sizeof(uint32_t);
} else {
l2p_elem_size = sizeof(uint64_t);
}
memset(g_dev->l2p, 0, g_dev->num_lbas * l2p_elem_size);
}
static int
cleanup(void)
{
free(g_dev->l2p);
free(g_dev);
g_dev = NULL;
return 0;
}
static void
test_addr_pack32(void)
{
struct ftl_addr orig = {}, addr;
/* Check valid address transformation */
orig.offset = 4;
addr = ftl_addr_to_packed(g_dev, orig);
CU_ASSERT_TRUE(addr.offset <= UINT32_MAX);
CU_ASSERT_FALSE(addr.pack.cached);
addr = ftl_addr_from_packed(g_dev, addr);
CU_ASSERT_FALSE(ftl_addr_invalid(addr));
CU_ASSERT_EQUAL(addr.offset, orig.offset);
/* Check invalid address transformation */
orig = ftl_to_addr(FTL_ADDR_INVALID);
addr = ftl_addr_to_packed(g_dev, orig);
CU_ASSERT_TRUE(addr.offset <= UINT32_MAX);
addr = ftl_addr_from_packed(g_dev, addr);
CU_ASSERT_TRUE(ftl_addr_invalid(addr));
/* Check cached entry offset transformation */
orig.cached = 1;
orig.cache_offset = 1024;
addr = ftl_addr_to_packed(g_dev, orig);
CU_ASSERT_TRUE(addr.offset <= UINT32_MAX);
CU_ASSERT_TRUE(addr.pack.cached);
addr = ftl_addr_from_packed(g_dev, addr);
CU_ASSERT_FALSE(ftl_addr_invalid(addr));
CU_ASSERT_TRUE(ftl_addr_cached(addr));
CU_ASSERT_EQUAL(addr.offset, orig.offset);
clean_l2p();
}
static void
test_addr_invalid(void)
{
struct ftl_addr addr;
size_t i;
/* Set every other LBA as invalid */
for (i = 0; i < L2P_TABLE_SIZE; i += 2) {
ftl_l2p_set(g_dev, i, ftl_to_addr(FTL_ADDR_INVALID));
}
/* Check every even LBA is invalid while others are fine */
for (i = 0; i < L2P_TABLE_SIZE; ++i) {
addr = ftl_l2p_get(g_dev, i);
if (i % 2 == 0) {
CU_ASSERT_TRUE(ftl_addr_invalid(addr));
} else {
CU_ASSERT_FALSE(ftl_addr_invalid(addr));
}
}
clean_l2p();
}
static void
test_addr_cached(void)
{
struct ftl_addr addr;
size_t i;
/* Set every other LBA is cached */
for (i = 0; i < L2P_TABLE_SIZE; i += 2) {
addr.cached = 1;
addr.cache_offset = i;
ftl_l2p_set(g_dev, i, addr);
}
/* Check every even LBA is cached while others are not */
for (i = 0; i < L2P_TABLE_SIZE; ++i) {
addr = ftl_l2p_get(g_dev, i);
if (i % 2 == 0) {
CU_ASSERT_TRUE(ftl_addr_cached(addr));
CU_ASSERT_EQUAL(addr.cache_offset, i);
} else {
CU_ASSERT_FALSE(ftl_addr_cached(addr));
}
}
clean_l2p();
}
int
main(int argc, char **argv)
{
CU_pSuite suite32 = NULL, suite64 = NULL;
unsigned int num_failures;
CU_set_error_action(CUEA_ABORT);
CU_initialize_registry();
suite32 = CU_add_suite("ftl_addr32_suite", setup_l2p_32bit, cleanup);
suite64 = CU_add_suite("ftl_addr64_suite", setup_l2p_64bit, cleanup);
CU_ADD_TEST(suite32, test_addr_pack32);
CU_ADD_TEST(suite32, test_addr_invalid);
CU_ADD_TEST(suite32, test_addr_cached);
CU_ADD_TEST(suite64, test_addr_invalid);
CU_ADD_TEST(suite64, test_addr_cached);
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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