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 static struct spdk_ftl_dev * 38 test_init_ftl_dev(const struct spdk_ocssd_geometry_data *geo, 39 const struct spdk_ftl_punit_range *range) 40 { 41 struct spdk_ftl_dev *dev; 42 unsigned int punit; 43 44 dev = calloc(1, sizeof(*dev)); 45 SPDK_CU_ASSERT_FATAL(dev != NULL); 46 47 dev->xfer_size = geo->ws_opt; 48 dev->geo = *geo; 49 dev->range = *range; 50 51 dev->bands = calloc(geo->num_chk, sizeof(*dev->bands)); 52 SPDK_CU_ASSERT_FATAL(dev->bands != NULL); 53 54 dev->punits = calloc(ftl_dev_num_punits(dev), sizeof(*dev->punits)); 55 SPDK_CU_ASSERT_FATAL(dev->punits != NULL); 56 57 for (size_t i = 0; i < ftl_dev_num_punits(dev); ++i) { 58 punit = range->begin + i; 59 dev->punits[i].dev = dev; 60 dev->punits[i].start_ppa.grp = punit % geo->num_grp; 61 dev->punits[i].start_ppa.pu = punit / geo->num_grp; 62 } 63 64 return dev; 65 } 66 67 static struct ftl_band * 68 test_init_ftl_band(struct spdk_ftl_dev *dev, size_t id) 69 { 70 struct ftl_band *band; 71 struct ftl_chunk *chunk; 72 73 SPDK_CU_ASSERT_FATAL(dev != NULL); 74 SPDK_CU_ASSERT_FATAL(id < dev->geo.num_chk); 75 76 band = &dev->bands[id]; 77 band->dev = dev; 78 band->id = id; 79 CIRCLEQ_INIT(&band->chunks); 80 81 band->md.vld_map = spdk_bit_array_create(ftl_num_band_lbks(dev)); 82 SPDK_CU_ASSERT_FATAL(band->md.vld_map != NULL); 83 84 band->chunk_buf = calloc(ftl_dev_num_punits(dev), sizeof(*band->chunk_buf)); 85 SPDK_CU_ASSERT_FATAL(band->chunk_buf != NULL); 86 87 for (size_t i = 0; i < ftl_dev_num_punits(dev); ++i) { 88 chunk = &band->chunk_buf[i]; 89 chunk->pos = i; 90 chunk->state = FTL_CHUNK_STATE_CLOSED; 91 chunk->punit = &dev->punits[i]; 92 chunk->start_ppa = dev->punits[i].start_ppa; 93 chunk->start_ppa.chk = band->id; 94 CIRCLEQ_INSERT_TAIL(&band->chunks, chunk, circleq); 95 band->num_chunks++; 96 } 97 98 pthread_spin_init(&band->md.lock, PTHREAD_PROCESS_PRIVATE); 99 return band; 100 } 101 102 static void 103 test_free_ftl_dev(struct spdk_ftl_dev *dev) 104 { 105 SPDK_CU_ASSERT_FATAL(dev != NULL); 106 free(dev->punits); 107 free(dev->bands); 108 free(dev); 109 } 110 111 static void 112 test_free_ftl_band(struct ftl_band *band) 113 { 114 SPDK_CU_ASSERT_FATAL(band != NULL); 115 spdk_bit_array_free(&band->md.vld_map); 116 free(band->chunk_buf); 117 free(band->md.lba_map); 118 } 119 120 static uint64_t 121 test_offset_from_ppa(struct ftl_ppa ppa, struct ftl_band *band) 122 { 123 struct spdk_ftl_dev *dev = band->dev; 124 unsigned int punit; 125 126 /* TODO: ftl_ppa_flatten_punit should return uint32_t */ 127 punit = ftl_ppa_flatten_punit(dev, ppa); 128 CU_ASSERT_EQUAL(ppa.chk, band->id); 129 130 return punit * ftl_dev_lbks_in_chunk(dev) + ppa.lbk; 131 } 132