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Spdk/test/unit/lib/ftl/ftl_band.c/ftl_band_ut.c
Wojciech Malikowski 64c30c0fe1 test/unit/ftl: Add module unit tests for relocate 
Change-Id: Iabe45ecc7dc52d45b792a1a5b1e42bb511c13a89
Signed-off-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-on: https://review.gerrithub.io/c/443238
Reviewed-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
2019-02-13 18:48:35 +00:00

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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.c"
#include "ftl/ftl_band.c"
#include "../common/utils.c"
#define TEST_BAND_IDX 68
#define TEST_LBA 0x68676564
static struct spdk_ocssd_geometry_data g_geo = {
.num_grp = 4,
.num_pu = 3,
.num_chk = 1500,
.clba = 100,
.ws_opt = 16,
.ws_min = 4,
};
static struct spdk_ftl_punit_range g_range = {
.begin = 2,
.end = 9,
};
static struct spdk_ftl_dev *g_dev;
static struct ftl_band *g_band;
static void
setup_band(void)
{
int rc;
g_dev = test_init_ftl_dev(&g_geo, &g_range);
g_band = test_init_ftl_band(g_dev, TEST_BAND_IDX);
rc = ftl_band_alloc_md(g_band);
CU_ASSERT_EQUAL_FATAL(rc, 0);
}
static void
cleanup_band(void)
{
test_free_ftl_band(g_band);
test_free_ftl_dev(g_dev);
}
static struct ftl_ppa
ppa_from_punit(uint64_t punit)
{
struct ftl_ppa ppa = {};
ppa.grp = punit % g_geo.num_grp;
ppa.pu = punit / g_geo.num_grp;
return ppa;
}
static void
test_band_lbkoff_from_ppa_base(void)
{
struct ftl_ppa ppa;
uint64_t offset, i, flat_lun = 0;
setup_band();
for (i = g_range.begin; i < g_range.end; ++i) {
ppa = ppa_from_punit(i);
ppa.chk = TEST_BAND_IDX;
offset = ftl_band_lbkoff_from_ppa(g_band, ppa);
CU_ASSERT_EQUAL(offset, flat_lun * ftl_dev_lbks_in_chunk(g_dev));
flat_lun++;
}
cleanup_band();
}
static void
test_band_lbkoff_from_ppa_lbk(void)
{
struct ftl_ppa ppa;
uint64_t offset, expect, i, j;
setup_band();
for (i = g_range.begin; i < g_range.end; ++i) {
for (j = 0; j < g_geo.clba; ++j) {
ppa = ppa_from_punit(i);
ppa.chk = TEST_BAND_IDX;
ppa.lbk = j;
offset = ftl_band_lbkoff_from_ppa(g_band, ppa);
expect = test_offset_from_ppa(ppa, g_band);
CU_ASSERT_EQUAL(offset, expect);
}
}
cleanup_band();
}
static void
test_band_ppa_from_lbkoff(void)
{
struct ftl_ppa ppa, expect;
uint64_t offset, i, j;
setup_band();
for (i = g_range.begin; i < g_range.end; ++i) {
for (j = 0; j < g_geo.clba; ++j) {
expect = ppa_from_punit(i);
expect.chk = TEST_BAND_IDX;
expect.lbk = j;
offset = ftl_band_lbkoff_from_ppa(g_band, expect);
ppa = ftl_band_ppa_from_lbkoff(g_band, offset);
CU_ASSERT_EQUAL(ppa.ppa, expect.ppa);
}
}
cleanup_band();
}
static void
test_band_set_addr(void)
{
struct ftl_md *md;
struct ftl_ppa ppa;
uint64_t offset = 0;
setup_band();
md = &g_band->md;
ppa = ppa_from_punit(g_range.begin);
ppa.chk = TEST_BAND_IDX;
CU_ASSERT_EQUAL(md->num_vld, 0);
offset = test_offset_from_ppa(ppa, g_band);
ftl_band_set_addr(g_band, TEST_LBA, ppa);
CU_ASSERT_EQUAL(md->num_vld, 1);
CU_ASSERT_EQUAL(md->lba_map[offset], TEST_LBA);
CU_ASSERT_TRUE(spdk_bit_array_get(md->vld_map, offset));
ppa.pu++;
offset = test_offset_from_ppa(ppa, g_band);
ftl_band_set_addr(g_band, TEST_LBA + 1, ppa);
CU_ASSERT_EQUAL(md->num_vld, 2);
CU_ASSERT_EQUAL(md->lba_map[offset], TEST_LBA + 1);
CU_ASSERT_TRUE(spdk_bit_array_get(md->vld_map, offset));
ppa.pu--;
offset = test_offset_from_ppa(ppa, g_band);
CU_ASSERT_TRUE(spdk_bit_array_get(md->vld_map, offset));
cleanup_band();
}
static void
test_invalidate_addr(void)
{
struct ftl_md *md;
struct ftl_ppa ppa;
uint64_t offset[2];
setup_band();
md = &g_band->md;
ppa = ppa_from_punit(g_range.begin);
ppa.chk = TEST_BAND_IDX;
offset[0] = test_offset_from_ppa(ppa, g_band);
ftl_band_set_addr(g_band, TEST_LBA, ppa);
CU_ASSERT_EQUAL(md->num_vld, 1);
CU_ASSERT_TRUE(spdk_bit_array_get(md->vld_map, offset[0]));
ftl_invalidate_addr(g_band->dev, ppa);
CU_ASSERT_EQUAL(md->num_vld, 0);
CU_ASSERT_FALSE(spdk_bit_array_get(md->vld_map, offset[0]));
offset[0] = test_offset_from_ppa(ppa, g_band);
ftl_band_set_addr(g_band, TEST_LBA, ppa);
ppa.pu++;
offset[1] = test_offset_from_ppa(ppa, g_band);
ftl_band_set_addr(g_band, TEST_LBA + 1, ppa);
CU_ASSERT_EQUAL(md->num_vld, 2);
CU_ASSERT_TRUE(spdk_bit_array_get(md->vld_map, offset[0]));
CU_ASSERT_TRUE(spdk_bit_array_get(md->vld_map, offset[1]));
ftl_invalidate_addr(g_band->dev, ppa);
CU_ASSERT_EQUAL(md->num_vld, 1);
CU_ASSERT_TRUE(spdk_bit_array_get(md->vld_map, offset[0]));
CU_ASSERT_FALSE(spdk_bit_array_get(md->vld_map, offset[1]));
cleanup_band();
}
static void
test_next_xfer_ppa(void)
{
struct ftl_ppa ppa, result, expect;
setup_band();
/* Verify simple one lbk incremention */
ppa = ppa_from_punit(g_range.begin);
ppa.chk = TEST_BAND_IDX;
ppa.lbk = 0;
expect = ppa;
expect.lbk = 1;
result = ftl_band_next_xfer_ppa(g_band, ppa, 1);
CU_ASSERT_EQUAL(result.ppa, expect.ppa);
/* Verify jumping between chunks */
expect = ppa_from_punit(g_range.begin + 1);
expect.chk = TEST_BAND_IDX;
result = ftl_band_next_xfer_ppa(g_band, ppa, g_dev->xfer_size);
CU_ASSERT_EQUAL(result.ppa, expect.ppa);
/* Verify jumping works with unaligned offsets */
expect = ppa_from_punit(g_range.begin + 1);
expect.chk = TEST_BAND_IDX;
expect.lbk = 3;
result = ftl_band_next_xfer_ppa(g_band, ppa, g_dev->xfer_size + 3);
CU_ASSERT_EQUAL(result.ppa, expect.ppa);
/* Verify jumping from last chunk to the first one */
expect = ppa_from_punit(g_range.begin);
expect.chk = TEST_BAND_IDX;
expect.lbk = g_dev->xfer_size;
ppa = ppa_from_punit(g_range.end);
ppa.chk = TEST_BAND_IDX;
result = ftl_band_next_xfer_ppa(g_band, ppa, g_dev->xfer_size);
CU_ASSERT_EQUAL(result.ppa, expect.ppa);
/* Verify jumping from last chunk to the first one with unaligned offset */
expect = ppa_from_punit(g_range.begin);
expect.chk = TEST_BAND_IDX;
expect.lbk = g_dev->xfer_size + 2;
ppa = ppa_from_punit(g_range.end);
ppa.chk = TEST_BAND_IDX;
result = ftl_band_next_xfer_ppa(g_band, ppa, g_dev->xfer_size + 2);
CU_ASSERT_EQUAL(result.ppa, expect.ppa);
/* Verify large offset spanning across the whole band multiple times */
expect = ppa_from_punit(g_range.begin);
expect.chk = TEST_BAND_IDX;
expect.lbk = g_dev->xfer_size * 5 + 4;
ppa = ppa_from_punit(g_range.begin);
ppa.chk = TEST_BAND_IDX;
ppa.lbk = g_dev->xfer_size * 2 + 1;
result = ftl_band_next_xfer_ppa(g_band, ppa, 3 * g_dev->xfer_size *
ftl_dev_num_punits(g_dev) + 3);
CU_ASSERT_EQUAL(result.ppa, expect.ppa);
/* Remove one chunk and verify it's skipped properly */
g_band->chunk_buf[1].state = FTL_CHUNK_STATE_BAD;
CIRCLEQ_REMOVE(&g_band->chunks, &g_band->chunk_buf[1], circleq);
g_band->num_chunks--;
expect = ppa_from_punit(g_range.begin + 2);
expect.chk = TEST_BAND_IDX;
expect.lbk = g_dev->xfer_size * 5 + 4;
ppa = ppa_from_punit(g_range.begin);
ppa.chk = TEST_BAND_IDX;
ppa.lbk = g_dev->xfer_size * 2 + 1;
result = ftl_band_next_xfer_ppa(g_band, ppa, 3 * g_dev->xfer_size *
(ftl_dev_num_punits(g_dev) - 1) + g_dev->xfer_size + 3);
CU_ASSERT_EQUAL(result.ppa, expect.ppa);
cleanup_band();
}
int
main(int argc, char **argv)
{
CU_pSuite suite = NULL;
unsigned int num_failures;
if (CU_initialize_registry() != CUE_SUCCESS) {
return CU_get_error();
}
suite = CU_add_suite("ftl_band_suite", NULL, NULL);
if (!suite) {
CU_cleanup_registry();
return CU_get_error();
}
if (
CU_add_test(suite, "test_band_lbkoff_from_ppa_base",
test_band_lbkoff_from_ppa_base) == NULL
|| CU_add_test(suite, "test_band_lbkoff_from_ppa_lbk",
test_band_lbkoff_from_ppa_lbk) == NULL
|| CU_add_test(suite, "test_band_ppa_from_lbkoff",
test_band_ppa_from_lbkoff) == NULL
|| CU_add_test(suite, "test_band_set_addr",
test_band_set_addr) == NULL
|| CU_add_test(suite, "test_invalidate_addr",
test_invalidate_addr) == NULL
|| CU_add_test(suite, "test_next_xfer_ppa",
test_next_xfer_ppa) == NULL
) {
CU_cleanup_registry();
return CU_get_error();
}
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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