1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright (c) Intel Corporation. 3 * All rights reserved. 4 */ 5 6 #include "spdk/stdinc.h" 7 8 #include "spdk_cunit.h" 9 #include "common/lib/ut_multithread.c" 10 11 #include "ftl/ftl_io.c" 12 #include "ftl/utils/ftl_conf.c" 13 14 DEFINE_STUB(spdk_bdev_io_get_append_location, uint64_t, (struct spdk_bdev_io *bdev_io), 0); 15 DEFINE_STUB_V(spdk_bdev_close, (struct spdk_bdev_desc *desc)); 16 DEFINE_STUB(spdk_bdev_desc_get_bdev, struct spdk_bdev *, (struct spdk_bdev_desc *desc), NULL); 17 DEFINE_STUB(spdk_bdev_get_optimal_open_zones, uint32_t, (const struct spdk_bdev *b), 1); 18 DEFINE_STUB(spdk_bdev_get_by_name, struct spdk_bdev *, (const char *bdev_name), NULL); 19 DEFINE_STUB(spdk_bdev_is_md_separate, bool, (const struct spdk_bdev *bdev), false); 20 DEFINE_STUB(spdk_bdev_is_zoned, bool, (const struct spdk_bdev *bdev), false); 21 DEFINE_STUB(spdk_bdev_zone_appendv, int, (struct spdk_bdev_desc *desc, struct spdk_io_channel *ch, 22 struct iovec *iov, int iovcnt, uint64_t zone_id, uint64_t num_blocks, 23 spdk_bdev_io_completion_cb cb, void *cb_arg), 0); 24 DEFINE_STUB(spdk_bdev_get_zone_size, uint64_t, (const struct spdk_bdev *b), 1024); 25 DEFINE_STUB_V(spdk_bdev_free_io, (struct spdk_bdev_io *bdev_io)); 26 DEFINE_STUB(spdk_bdev_get_buf_align, size_t, (const struct spdk_bdev *bdev), 64); 27 DEFINE_STUB(spdk_bdev_get_dif_type, enum spdk_dif_type, 28 (const struct spdk_bdev *bdev), 0); 29 DEFINE_STUB(spdk_bdev_get_name, const char *, (const struct spdk_bdev *bdev), "test"); 30 DEFINE_STUB(spdk_bdev_get_write_unit_size, uint32_t, 31 (const struct spdk_bdev *bdev), 0); 32 DEFINE_STUB(spdk_bdev_io_type_supported, bool, (struct spdk_bdev *bdev, 33 enum spdk_bdev_io_type io_type), true); 34 DEFINE_STUB(spdk_bdev_open_ext, int, 35 (const char *bdev_name, bool write, spdk_bdev_event_cb_t event_cb, 36 void *event_ctx, struct spdk_bdev_desc **desc), 0); 37 DEFINE_STUB(spdk_bdev_read_blocks, int, (struct spdk_bdev_desc *desc, struct spdk_io_channel *ch, 38 void *buf, uint64_t offset_blocks, uint64_t num_blocks, 39 spdk_bdev_io_completion_cb cb, void *cb_arg), 0); 40 DEFINE_STUB(spdk_bdev_write_blocks, int, (struct spdk_bdev_desc *desc, struct spdk_io_channel *ch, 41 void *buf, uint64_t offset_blocks, uint64_t num_blocks, spdk_bdev_io_completion_cb cb, 42 void *cb_arg), 0); 43 DEFINE_STUB(spdk_bdev_write_blocks_with_md, int, (struct spdk_bdev_desc *desc, 44 struct spdk_io_channel *ch, void *buf, void *md, uint64_t offset_blocks, 45 uint64_t num_blocks, spdk_bdev_io_completion_cb cb, void *cb_arg), 0); 46 DEFINE_STUB(spdk_bdev_writev_blocks, int, (struct spdk_bdev_desc *desc, struct spdk_io_channel *ch, 47 struct iovec *iov, int iovcnt, uint64_t offset_blocks, uint64_t num_blocks, 48 spdk_bdev_io_completion_cb cb, void *cb_arg), 0); 49 DEFINE_STUB(spdk_bdev_get_num_blocks, uint64_t, (const struct spdk_bdev *bdev), 1024); 50 DEFINE_STUB(spdk_bdev_get_md_size, uint32_t, (const struct spdk_bdev *bdev), 0); 51 DEFINE_STUB(spdk_bdev_get_block_size, uint32_t, (const struct spdk_bdev *bdev), 4096); 52 DEFINE_STUB_V(spdk_bdev_module_release_bdev, (struct spdk_bdev *bdev)); 53 DEFINE_STUB(spdk_bdev_write_zeroes_blocks, int, 54 (struct spdk_bdev_desc *desc, struct spdk_io_channel *ch, 55 uint64_t offset_blocks, uint64_t num_blocks, 56 spdk_bdev_io_completion_cb cb, void *cb_arg), 0); 57 DEFINE_STUB(spdk_mempool_create_ctor, struct spdk_mempool *, 58 (const char *name, size_t count, size_t ele_size, size_t cache_size, 59 int socket_id, spdk_mempool_obj_cb_t *obj_init, void *obj_init_arg), NULL); 60 DEFINE_STUB(spdk_mempool_obj_iter, uint32_t, 61 (struct spdk_mempool *mp, spdk_mempool_obj_cb_t obj_cb, void *obj_cb_arg), 0); 62 DEFINE_STUB_V(ftl_reloc, (struct ftl_reloc *reloc)); 63 DEFINE_STUB_V(ftl_reloc_add, (struct ftl_reloc *reloc, struct ftl_band *band, size_t offset, 64 size_t num_blocks, int prio, bool defrag)); 65 DEFINE_STUB_V(ftl_reloc_free, (struct ftl_reloc *reloc)); 66 DEFINE_STUB_V(ftl_reloc_halt, (struct ftl_reloc *reloc)); 67 DEFINE_STUB(ftl_reloc_init, struct ftl_reloc *, (struct spdk_ftl_dev *dev), NULL); 68 DEFINE_STUB(ftl_reloc_is_defrag_active, bool, (const struct ftl_reloc *reloc), false); 69 DEFINE_STUB(ftl_reloc_is_halted, bool, (const struct ftl_reloc *reloc), false); 70 DEFINE_STUB_V(ftl_reloc_resume, (struct ftl_reloc *reloc)); 71 DEFINE_STUB_V(ftl_l2p_unpin, (struct spdk_ftl_dev *dev, uint64_t lba, uint64_t count)); 72 DEFINE_STUB(ftl_p2l_ckpt_acquire, struct ftl_p2l_ckpt *, (struct spdk_ftl_dev *dev), NULL); 73 DEFINE_STUB_V(ftl_p2l_ckpt_release, (struct spdk_ftl_dev *dev, struct ftl_p2l_ckpt *ckpt)); 74 DEFINE_STUB(ftl_l2p_get, ftl_addr, (struct spdk_ftl_dev *dev, uint64_t lba), 0); 75 DEFINE_STUB_V(ftl_mempool_put, (struct ftl_mempool *mpool, void *element)); 76 77 #if defined(FTL_DUMP_STATS) 78 DEFINE_STUB_V(ftl_dev_dump_stats, (const struct spdk_ftl_dev *dev)); 79 #endif 80 81 struct ftl_io_channel_ctx { 82 struct ftl_io_channel *ioch; 83 }; 84 85 struct ftl_io_channel * 86 ftl_io_channel_get_ctx(struct spdk_io_channel *ioch) 87 { 88 struct ftl_io_channel_ctx *ctx = spdk_io_channel_get_ctx(ioch); 89 90 return ctx->ioch; 91 } 92 93 struct spdk_io_channel * 94 spdk_bdev_get_io_channel(struct spdk_bdev_desc *bdev_desc) 95 { 96 return spdk_get_io_channel(bdev_desc); 97 } 98 99 static int 100 channel_create_cb(void *io_device, void *ctx) 101 { 102 return 0; 103 } 104 105 static void 106 channel_destroy_cb(void *io_device, void *ctx) 107 { 108 } 109 110 static struct spdk_ftl_dev * 111 setup_device(uint32_t num_threads, uint32_t xfer_size) 112 { 113 struct spdk_ftl_dev *dev; 114 struct ftl_io_channel *ioch; 115 struct ftl_io_channel_ctx *ctx; 116 117 allocate_threads(num_threads); 118 set_thread(0); 119 120 dev = calloc(1, sizeof(*dev)); 121 SPDK_CU_ASSERT_FATAL(dev != NULL); 122 123 dev->core_thread = spdk_get_thread(); 124 dev->ioch = calloc(1, SPDK_IO_CHANNEL_STRUCT_SIZE + sizeof(struct ftl_io_channel_ctx)); 125 SPDK_CU_ASSERT_FATAL(dev->ioch != NULL); 126 127 ctx = spdk_io_channel_get_ctx(dev->ioch); 128 ctx->ioch = calloc(1, sizeof(*ctx->ioch)); 129 130 ioch = ftl_io_channel_get_ctx(dev->ioch); 131 SPDK_CU_ASSERT_FATAL(ioch != NULL); 132 133 ioch->cq = spdk_ring_create(0, 1024, 0); 134 135 dev->conf = g_default_conf; 136 dev->xfer_size = xfer_size; 137 dev->base_bdev_desc = (struct spdk_bdev_desc *)0xdeadbeef; 138 dev->nv_cache.bdev_desc = (struct spdk_bdev_desc *)0xdead1234; 139 spdk_io_device_register(dev, channel_create_cb, channel_destroy_cb, 0, NULL); 140 spdk_io_device_register(dev->base_bdev_desc, channel_create_cb, channel_destroy_cb, 0, NULL); 141 spdk_io_device_register(dev->nv_cache.bdev_desc, channel_create_cb, channel_destroy_cb, 0, NULL); 142 143 TAILQ_INIT(&dev->ioch_queue); 144 145 return dev; 146 } 147 148 static void 149 free_device(struct spdk_ftl_dev *dev) 150 { 151 struct ftl_io_channel *ioch; 152 153 ioch = ftl_io_channel_get_ctx(dev->ioch); 154 spdk_ring_free(ioch->cq); 155 free(ioch); 156 157 spdk_io_device_unregister(dev, NULL); 158 spdk_io_device_unregister(dev->base_bdev_desc, NULL); 159 spdk_io_device_unregister(dev->nv_cache.bdev_desc, NULL); 160 161 while (!TAILQ_EMPTY(&dev->ioch_queue)) { 162 TAILQ_REMOVE(&dev->ioch_queue, TAILQ_FIRST(&dev->ioch_queue), entry); 163 } 164 165 free_threads(); 166 167 free(dev->ioch); 168 free(dev->sb); 169 free(dev); 170 } 171 172 static void 173 setup_io(struct ftl_io *io, struct spdk_ftl_dev *dev, spdk_ftl_fn cb, void *ctx) 174 { 175 io->dev = dev; 176 io->user_fn = cb; 177 io->cb_ctx = ctx; 178 io->flags = 0; 179 io->ioch = dev->ioch; 180 } 181 182 static void 183 io_complete_cb(void *ctx, int status) 184 { 185 *(int *)ctx = status; 186 } 187 188 static void 189 test_completion(void) 190 { 191 struct spdk_ftl_dev *dev; 192 struct ftl_io_channel *ioch; 193 struct ftl_io io = { 0 }, *io_ring; 194 int req, status = 0; 195 196 dev = setup_device(1, FTL_NUM_LBA_IN_BLOCK); 197 ioch = ftl_io_channel_get_ctx(dev->ioch); 198 199 /* Setup IO and 'send' NUM_REQUESTS subrequests */ 200 setup_io(&io, dev, io_complete_cb, &status); 201 io.status = -EIO; 202 203 #define NUM_REQUESTS 16 204 for (req = 0; req < NUM_REQUESTS; ++req) { 205 ftl_io_inc_req(&io); 206 CU_ASSERT_FALSE(ftl_io_done(&io)); 207 } 208 209 CU_ASSERT_EQUAL(io.req_cnt, NUM_REQUESTS); 210 211 /* Complete all but one subrequest, make sure io still not marked as done */ 212 for (req = 0; req < (NUM_REQUESTS - 1); ++req) { 213 ftl_io_dec_req(&io); 214 CU_ASSERT_FALSE(ftl_io_done(&io)); 215 } 216 217 CU_ASSERT_EQUAL(io.req_cnt, 1); 218 219 /* Complete last subrequest, make sure it appears on the completion queue */ 220 ftl_io_dec_req(&io); 221 CU_ASSERT_TRUE(ftl_io_done(&io)); 222 223 ftl_io_complete(&io); 224 225 CU_ASSERT_EQUAL(spdk_ring_count(ioch->cq), 1); 226 227 /* Dequeue and check if the completion callback changes the status, this is usually done via poller */ 228 spdk_ring_dequeue(ioch->cq, (void **)&io_ring, 1); 229 io_ring->user_fn(io_ring->cb_ctx, io_ring->status); 230 231 CU_ASSERT_EQUAL(status, -EIO); 232 233 free_device(dev); 234 } 235 236 static void 237 test_multiple_ios(void) 238 { 239 struct spdk_ftl_dev *dev; 240 struct ftl_io_channel *ioch; 241 struct ftl_io io[2] = { 0 }, *io_ring[2]; 242 int status = -1; 243 244 dev = setup_device(1, FTL_NUM_LBA_IN_BLOCK); 245 ioch = ftl_io_channel_get_ctx(dev->ioch); 246 247 /* Send t2o IOs and check if both are in the completion queue */ 248 setup_io(&io[0], dev, io_complete_cb, &status); 249 CU_ASSERT_EQUAL(spdk_ring_count(ioch->cq), 0); 250 251 ftl_io_complete(io); 252 CU_ASSERT_EQUAL(spdk_ring_count(ioch->cq), 1); 253 254 setup_io(&io[1], dev, io_complete_cb, &status); 255 256 ftl_io_complete(&io[1]); 257 CU_ASSERT_EQUAL(spdk_ring_count(ioch->cq), 2); 258 259 /* Dequeue and check if the completion callback changes the status, this is usually done via poller */ 260 spdk_ring_dequeue(ioch->cq, (void **)io_ring, 2); 261 status = -1; 262 io_ring[0]->user_fn(io_ring[0]->cb_ctx, io_ring[0]->status); 263 CU_ASSERT_EQUAL(status, 0); 264 status = -1; 265 io_ring[1]->user_fn(io_ring[1]->cb_ctx, io_ring[1]->status); 266 CU_ASSERT_EQUAL(status, 0); 267 268 free_device(dev); 269 } 270 271 int 272 main(int argc, char **argv) 273 { 274 CU_pSuite suite; 275 unsigned int num_failures; 276 277 CU_set_error_action(CUEA_ABORT); 278 CU_initialize_registry(); 279 280 suite = CU_add_suite("ftl_io_suite", NULL, NULL); 281 282 283 CU_ADD_TEST(suite, test_completion); 284 CU_ADD_TEST(suite, test_multiple_ios); 285 286 CU_basic_set_mode(CU_BRM_VERBOSE); 287 CU_basic_run_tests(); 288 num_failures = CU_get_number_of_failures(); 289 CU_cleanup_registry(); 290 291 return num_failures; 292 } 293