diff options
Diffstat (limited to 'src/spdk/test/unit/lib/ftl/common/utils.c')
| -rw-r--r-- | src/spdk/test/unit/lib/ftl/common/utils.c | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/src/spdk/test/unit/lib/ftl/common/utils.c b/src/spdk/test/unit/lib/ftl/common/utils.c new file mode 100644 index 000000000..dda828df8 --- /dev/null +++ b/src/spdk/test/unit/lib/ftl/common/utils.c @@ -0,0 +1,173 @@ +/*- + * 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_internal/thread.h" + +#include "spdk/ftl.h" +#include "ftl/ftl_core.h" + +struct base_bdev_geometry { + size_t write_unit_size; + size_t zone_size; + size_t optimal_open_zones; + size_t blockcnt; +}; + +extern struct base_bdev_geometry g_geo; + +struct spdk_ftl_dev *test_init_ftl_dev(const struct base_bdev_geometry *geo); +struct ftl_band *test_init_ftl_band(struct spdk_ftl_dev *dev, size_t id, size_t zone_size); +void test_free_ftl_dev(struct spdk_ftl_dev *dev); +void test_free_ftl_band(struct ftl_band *band); +uint64_t test_offset_from_addr(struct ftl_addr addr, struct ftl_band *band); + +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) +{ + return g_geo.zone_size; +} + +uint32_t +spdk_bdev_get_optimal_open_zones(const struct spdk_bdev *bdev) +{ + return g_geo.optimal_open_zones; +} + +struct spdk_ftl_dev * +test_init_ftl_dev(const struct base_bdev_geometry *geo) +{ + struct spdk_ftl_dev *dev; + + dev = calloc(1, sizeof(*dev)); + SPDK_CU_ASSERT_FATAL(dev != NULL); + + dev->xfer_size = geo->write_unit_size; + dev->core_thread = spdk_thread_create("unit_test_thread", NULL); + spdk_set_thread(dev->core_thread); + dev->ioch = calloc(1, sizeof(*dev->ioch) + + sizeof(struct ftl_io_channel *)); + dev->num_bands = geo->blockcnt / (geo->zone_size * geo->optimal_open_zones); + dev->bands = calloc(dev->num_bands, sizeof(*dev->bands)); + SPDK_CU_ASSERT_FATAL(dev->bands != NULL); + + dev->lba_pool = spdk_mempool_create("ftl_ut", 2, 0x18000, + SPDK_MEMPOOL_DEFAULT_CACHE_SIZE, + SPDK_ENV_SOCKET_ID_ANY); + SPDK_CU_ASSERT_FATAL(dev->lba_pool != NULL); + + LIST_INIT(&dev->free_bands); + LIST_INIT(&dev->shut_bands); + + return dev; +} + +struct ftl_band * +test_init_ftl_band(struct spdk_ftl_dev *dev, size_t id, size_t zone_size) +{ + struct ftl_band *band; + struct ftl_zone *zone; + + SPDK_CU_ASSERT_FATAL(dev != NULL); + SPDK_CU_ASSERT_FATAL(id < dev->num_bands); + + band = &dev->bands[id]; + band->dev = dev; + band->id = id; + + band->state = FTL_BAND_STATE_CLOSED; + LIST_INSERT_HEAD(&dev->shut_bands, band, list_entry); + CIRCLEQ_INIT(&band->zones); + + band->lba_map.vld = spdk_bit_array_create(ftl_get_num_blocks_in_band(dev)); + SPDK_CU_ASSERT_FATAL(band->lba_map.vld != NULL); + + band->zone_buf = calloc(ftl_get_num_punits(dev), sizeof(*band->zone_buf)); + SPDK_CU_ASSERT_FATAL(band->zone_buf != NULL); + + band->reloc_bitmap = spdk_bit_array_create(ftl_get_num_bands(dev)); + SPDK_CU_ASSERT_FATAL(band->reloc_bitmap != NULL); + + for (size_t i = 0; i < ftl_get_num_punits(dev); ++i) { + zone = &band->zone_buf[i]; + zone->info.state = SPDK_BDEV_ZONE_STATE_FULL; + zone->info.zone_id = zone_size * (id * ftl_get_num_punits(dev) + i); + CIRCLEQ_INSERT_TAIL(&band->zones, zone, circleq); + band->num_zones++; + } + + pthread_spin_init(&band->lba_map.lock, PTHREAD_PROCESS_PRIVATE); + return band; +} + +void +test_free_ftl_dev(struct spdk_ftl_dev *dev) +{ + struct spdk_thread *thread; + + SPDK_CU_ASSERT_FATAL(dev != NULL); + free(dev->ioch); + + thread = dev->core_thread; + + spdk_set_thread(thread); + spdk_thread_exit(thread); + while (!spdk_thread_is_exited(thread)) { + spdk_thread_poll(thread, 0, 0); + } + spdk_thread_destroy(thread); + spdk_mempool_free(dev->lba_pool); + free(dev->bands); + free(dev); +} + +void +test_free_ftl_band(struct ftl_band *band) +{ + SPDK_CU_ASSERT_FATAL(band != NULL); + spdk_bit_array_free(&band->lba_map.vld); + spdk_bit_array_free(&band->reloc_bitmap); + free(band->zone_buf); + spdk_dma_free(band->lba_map.dma_buf); +} + +uint64_t +test_offset_from_addr(struct ftl_addr addr, struct ftl_band *band) +{ + struct spdk_ftl_dev *dev = band->dev; + + CU_ASSERT_EQUAL(ftl_addr_get_band(dev, addr), band->id); + + return addr.offset - band->id * ftl_get_num_blocks_in_band(dev); +} |