1 /*- 2 * BSD LICENSE 3 * 4 * Copyright (c) Intel Corporation. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 11 * * Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * * Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in 15 * the documentation and/or other materials provided with the 16 * distribution. 17 * * Neither the name of Intel Corporation nor the names of its 18 * contributors may be used to endorse or promote products derived 19 * from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 24 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 25 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 27 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #include "spdk/ftl.h" 35 #include "ftl/ftl_core.h" 36 37 struct base_bdev_geometry { 38 size_t write_unit_size; 39 size_t zone_size; 40 size_t optimal_open_zones; 41 size_t blockcnt; 42 }; 43 44 extern struct base_bdev_geometry g_geo; 45 46 struct spdk_ftl_dev *test_init_ftl_dev(const struct base_bdev_geometry *geo); 47 struct ftl_band *test_init_ftl_band(struct spdk_ftl_dev *dev, size_t id, size_t zone_size); 48 void test_free_ftl_dev(struct spdk_ftl_dev *dev); 49 void test_free_ftl_band(struct ftl_band *band); 50 uint64_t test_offset_from_addr(struct ftl_addr addr, struct ftl_band *band); 51 52 DEFINE_STUB(spdk_bdev_desc_get_bdev, struct spdk_bdev *, (struct spdk_bdev_desc *desc), NULL); 53 54 uint64_t 55 spdk_bdev_get_zone_size(const struct spdk_bdev *bdev) 56 { 57 return g_geo.zone_size; 58 } 59 60 uint32_t 61 spdk_bdev_get_optimal_open_zones(const struct spdk_bdev *bdev) 62 { 63 return g_geo.optimal_open_zones; 64 } 65 66 struct spdk_ftl_dev * 67 test_init_ftl_dev(const struct base_bdev_geometry *geo) 68 { 69 struct spdk_ftl_dev *dev; 70 71 dev = calloc(1, sizeof(*dev)); 72 SPDK_CU_ASSERT_FATAL(dev != NULL); 73 74 dev->xfer_size = geo->write_unit_size; 75 dev->core_thread = spdk_thread_create("unit_test_thread", NULL); 76 spdk_set_thread(dev->core_thread); 77 dev->ioch = calloc(1, sizeof(*dev->ioch) 78 + sizeof(struct ftl_io_channel *)); 79 dev->num_bands = geo->blockcnt / (geo->zone_size * geo->optimal_open_zones); 80 dev->bands = calloc(dev->num_bands, sizeof(*dev->bands)); 81 SPDK_CU_ASSERT_FATAL(dev->bands != NULL); 82 83 dev->lba_pool = spdk_mempool_create("ftl_ut", 2, 0x18000, 84 SPDK_MEMPOOL_DEFAULT_CACHE_SIZE, 85 SPDK_ENV_SOCKET_ID_ANY); 86 SPDK_CU_ASSERT_FATAL(dev->lba_pool != NULL); 87 88 LIST_INIT(&dev->free_bands); 89 LIST_INIT(&dev->shut_bands); 90 91 return dev; 92 } 93 94 struct ftl_band * 95 test_init_ftl_band(struct spdk_ftl_dev *dev, size_t id, size_t zone_size) 96 { 97 struct ftl_band *band; 98 struct ftl_zone *zone; 99 100 SPDK_CU_ASSERT_FATAL(dev != NULL); 101 SPDK_CU_ASSERT_FATAL(id < dev->num_bands); 102 103 band = &dev->bands[id]; 104 band->dev = dev; 105 band->id = id; 106 107 band->state = FTL_BAND_STATE_CLOSED; 108 LIST_INSERT_HEAD(&dev->shut_bands, band, list_entry); 109 CIRCLEQ_INIT(&band->zones); 110 111 band->lba_map.vld = spdk_bit_array_create(ftl_get_num_blocks_in_band(dev)); 112 SPDK_CU_ASSERT_FATAL(band->lba_map.vld != NULL); 113 114 band->zone_buf = calloc(ftl_get_num_punits(dev), sizeof(*band->zone_buf)); 115 SPDK_CU_ASSERT_FATAL(band->zone_buf != NULL); 116 117 band->reloc_bitmap = spdk_bit_array_create(ftl_get_num_bands(dev)); 118 SPDK_CU_ASSERT_FATAL(band->reloc_bitmap != NULL); 119 120 for (size_t i = 0; i < ftl_get_num_punits(dev); ++i) { 121 zone = &band->zone_buf[i]; 122 zone->info.state = SPDK_BDEV_ZONE_STATE_FULL; 123 zone->info.zone_id = zone_size * (id * ftl_get_num_punits(dev) + i); 124 CIRCLEQ_INSERT_TAIL(&band->zones, zone, circleq); 125 band->num_zones++; 126 } 127 128 pthread_spin_init(&band->lba_map.lock, PTHREAD_PROCESS_PRIVATE); 129 return band; 130 } 131 132 void 133 test_free_ftl_dev(struct spdk_ftl_dev *dev) 134 { 135 struct spdk_thread *thread; 136 137 SPDK_CU_ASSERT_FATAL(dev != NULL); 138 free(dev->ioch); 139 140 thread = dev->core_thread; 141 142 spdk_set_thread(thread); 143 spdk_thread_exit(thread); 144 while (!spdk_thread_is_exited(thread)) { 145 spdk_thread_poll(thread, 0, 0); 146 } 147 spdk_thread_destroy(thread); 148 spdk_mempool_free(dev->lba_pool); 149 free(dev->bands); 150 free(dev); 151 } 152 153 void 154 test_free_ftl_band(struct ftl_band *band) 155 { 156 SPDK_CU_ASSERT_FATAL(band != NULL); 157 spdk_bit_array_free(&band->lba_map.vld); 158 spdk_bit_array_free(&band->reloc_bitmap); 159 free(band->zone_buf); 160 spdk_dma_free(band->lba_map.dma_buf); 161 } 162 163 uint64_t 164 test_offset_from_addr(struct ftl_addr addr, struct ftl_band *band) 165 { 166 struct spdk_ftl_dev *dev = band->dev; 167 168 CU_ASSERT_EQUAL(ftl_addr_get_band(dev, addr), band->id); 169 170 return addr.offset - band->id * ftl_get_num_blocks_in_band(dev); 171 } 172