xref: /spdk/test/unit/lib/accel/dpdk_compressdev.c/accel_dpdk_compressdev_ut.c (revision 12fbe739a31b09aff0d05f354d4f3bbef99afc55)
1 /*   SPDX-License-Identifier: BSD-3-Clause
2  *   Copyright (C) 2018 Intel Corporation.
3  *   All rights reserved.
4  *   Copyright (c) 2021, 2022 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
5  */
6 
7 #include "spdk_internal/cunit.h"
8 /* We have our own mock for this */
9 #define UNIT_TEST_NO_VTOPHYS
10 #include "common/lib/test_env.c"
11 #include "spdk_internal/mock.h"
12 #include "thread/thread_internal.h"
13 #include "unit/lib/json_mock.c"
14 
15 #include <rte_compressdev.h>
16 
17 /* There will be one if the data perfectly matches the chunk size,
18  * or there could be an offset into the data and a remainder after
19  * the data or both for a max of 3.
20  */
21 #define UT_MBUFS_PER_OP 3
22 /* For testing the crossing of a huge page boundary on address translation,
23  * we'll have an extra one but we only test on the source side.
24  */
25 #define UT_MBUFS_PER_OP_BOUND_TEST 4
26 
27 struct spdk_io_channel *g_io_ch;
28 struct rte_comp_op g_comp_op[2];
29 struct comp_device_qp g_device_qp;
30 struct compress_dev g_device;
31 struct rte_compressdev_capabilities g_cdev_cap;
32 static struct rte_mbuf *g_src_mbufs[UT_MBUFS_PER_OP_BOUND_TEST];
33 static struct rte_mbuf *g_dst_mbufs[UT_MBUFS_PER_OP];
34 static struct rte_mbuf g_expected_src_mbufs[UT_MBUFS_PER_OP_BOUND_TEST];
35 static struct rte_mbuf g_expected_dst_mbufs[UT_MBUFS_PER_OP];
36 struct compress_io_channel *g_comp_ch;
37 
38 /* Those functions are defined as static inline in DPDK, so we can't
39  * mock them straight away. We use defines to redirect them into
40  * our custom functions.
41  */
42 
43 static int ut_total_rte_pktmbuf_attach_extbuf = 0;
44 static void mock_rte_pktmbuf_attach_extbuf(struct rte_mbuf *m, void *buf_addr, rte_iova_t buf_iova,
45 		uint16_t buf_len, struct rte_mbuf_ext_shared_info *shinfo);
46 #define rte_pktmbuf_attach_extbuf mock_rte_pktmbuf_attach_extbuf
47 static void
48 mock_rte_pktmbuf_attach_extbuf(struct rte_mbuf *m, void *buf_addr, rte_iova_t buf_iova,
49 			       uint16_t buf_len, struct rte_mbuf_ext_shared_info *shinfo)
50 {
51 	assert(m != NULL);
52 	m->buf_addr = buf_addr;
53 	m->buf_iova = buf_iova;
54 	m->buf_len = buf_len;
55 	m->data_len = m->pkt_len = 0;
56 	ut_total_rte_pktmbuf_attach_extbuf++;
57 }
58 
59 static char *mock_rte_pktmbuf_append(struct rte_mbuf *m, uint16_t len);
60 #define rte_pktmbuf_append mock_rte_pktmbuf_append
61 static char *
62 mock_rte_pktmbuf_append(struct rte_mbuf *m, uint16_t len)
63 {
64 	m->pkt_len = m->pkt_len + len;
65 	return NULL;
66 }
67 
68 static inline int mock_rte_pktmbuf_chain(struct rte_mbuf *head, struct rte_mbuf *tail);
69 #define rte_pktmbuf_chain mock_rte_pktmbuf_chain
70 static inline int
71 mock_rte_pktmbuf_chain(struct rte_mbuf *head, struct rte_mbuf *tail)
72 {
73 	struct rte_mbuf *cur_tail;
74 
75 	cur_tail = rte_pktmbuf_lastseg(head);
76 	cur_tail->next = tail;
77 
78 	return 0;
79 }
80 
81 uint16_t ut_max_nb_queue_pairs = 0;
82 void __rte_experimental mock_rte_compressdev_info_get(uint8_t dev_id,
83 		struct rte_compressdev_info *dev_info);
84 #define rte_compressdev_info_get mock_rte_compressdev_info_get
85 void __rte_experimental
86 mock_rte_compressdev_info_get(uint8_t dev_id, struct rte_compressdev_info *dev_info)
87 {
88 	dev_info->max_nb_queue_pairs = ut_max_nb_queue_pairs;
89 	dev_info->capabilities = &g_cdev_cap;
90 	dev_info->driver_name = "compressdev";
91 }
92 
93 int ut_rte_compressdev_configure = 0;
94 int __rte_experimental mock_rte_compressdev_configure(uint8_t dev_id,
95 		struct rte_compressdev_config *config);
96 #define rte_compressdev_configure mock_rte_compressdev_configure
97 int __rte_experimental
98 mock_rte_compressdev_configure(uint8_t dev_id, struct rte_compressdev_config *config)
99 {
100 	return ut_rte_compressdev_configure;
101 }
102 
103 int ut_rte_compressdev_queue_pair_setup = 0;
104 int __rte_experimental mock_rte_compressdev_queue_pair_setup(uint8_t dev_id, uint16_t queue_pair_id,
105 		uint32_t max_inflight_ops, int socket_id);
106 #define rte_compressdev_queue_pair_setup mock_rte_compressdev_queue_pair_setup
107 int __rte_experimental
108 mock_rte_compressdev_queue_pair_setup(uint8_t dev_id, uint16_t queue_pair_id,
109 				      uint32_t max_inflight_ops, int socket_id)
110 {
111 	return ut_rte_compressdev_queue_pair_setup;
112 }
113 
114 int ut_rte_compressdev_start = 0;
115 int __rte_experimental mock_rte_compressdev_start(uint8_t dev_id);
116 #define rte_compressdev_start mock_rte_compressdev_start
117 int __rte_experimental
118 mock_rte_compressdev_start(uint8_t dev_id)
119 {
120 	return ut_rte_compressdev_start;
121 }
122 
123 int ut_rte_compressdev_private_xform_create = 0;
124 int __rte_experimental mock_rte_compressdev_private_xform_create(uint8_t dev_id,
125 		const struct rte_comp_xform *xform, void **private_xform);
126 #define rte_compressdev_private_xform_create mock_rte_compressdev_private_xform_create
127 int __rte_experimental
128 mock_rte_compressdev_private_xform_create(uint8_t dev_id,
129 		const struct rte_comp_xform *xform, void **private_xform)
130 {
131 	return ut_rte_compressdev_private_xform_create;
132 }
133 
134 uint8_t ut_rte_compressdev_count = 0;
135 uint8_t __rte_experimental mock_rte_compressdev_count(void);
136 #define rte_compressdev_count mock_rte_compressdev_count
137 uint8_t __rte_experimental
138 mock_rte_compressdev_count(void)
139 {
140 	return ut_rte_compressdev_count;
141 }
142 
143 struct rte_mempool *ut_rte_comp_op_pool_create = NULL;
144 struct rte_mempool *__rte_experimental mock_rte_comp_op_pool_create(const char *name,
145 		unsigned int nb_elts, unsigned int cache_size, uint16_t user_size,
146 		int socket_id);
147 #define rte_comp_op_pool_create mock_rte_comp_op_pool_create
148 struct rte_mempool *__rte_experimental
149 mock_rte_comp_op_pool_create(const char *name, unsigned int nb_elts,
150 			     unsigned int cache_size, uint16_t user_size, int socket_id)
151 {
152 	return ut_rte_comp_op_pool_create;
153 }
154 
155 void mock_rte_pktmbuf_free(struct rte_mbuf *m);
156 #define rte_pktmbuf_free mock_rte_pktmbuf_free
157 void
158 mock_rte_pktmbuf_free(struct rte_mbuf *m)
159 {
160 }
161 
162 void mock_rte_pktmbuf_free_bulk(struct rte_mbuf **m, unsigned int cnt);
163 #define rte_pktmbuf_free_bulk mock_rte_pktmbuf_free_bulk
164 void
165 mock_rte_pktmbuf_free_bulk(struct rte_mbuf **m, unsigned int cnt)
166 {
167 }
168 
169 static bool ut_boundary_alloc = false;
170 static int ut_rte_pktmbuf_alloc_bulk = 0;
171 int mock_rte_pktmbuf_alloc_bulk(struct rte_mempool *pool, struct rte_mbuf **mbufs,
172 				unsigned count);
173 #define rte_pktmbuf_alloc_bulk mock_rte_pktmbuf_alloc_bulk
174 int
175 mock_rte_pktmbuf_alloc_bulk(struct rte_mempool *pool, struct rte_mbuf **mbufs,
176 			    unsigned count)
177 {
178 	int i;
179 
180 	/* This mocked function only supports the alloc of up to 3 src and 3 dst. */
181 	ut_rte_pktmbuf_alloc_bulk += count;
182 
183 	if (ut_rte_pktmbuf_alloc_bulk == 1) {
184 		/* allocation of an extra mbuf for boundary cross test */
185 		ut_boundary_alloc = true;
186 		g_src_mbufs[UT_MBUFS_PER_OP_BOUND_TEST - 1]->next = NULL;
187 		*mbufs = g_src_mbufs[UT_MBUFS_PER_OP_BOUND_TEST - 1];
188 		ut_rte_pktmbuf_alloc_bulk = 0;
189 	} else if (ut_rte_pktmbuf_alloc_bulk == UT_MBUFS_PER_OP) {
190 		/* first test allocation, src mbufs */
191 		for (i = 0; i < UT_MBUFS_PER_OP; i++) {
192 			g_src_mbufs[i]->next = NULL;
193 			*mbufs++ = g_src_mbufs[i];
194 		}
195 	} else if (ut_rte_pktmbuf_alloc_bulk == UT_MBUFS_PER_OP * 2) {
196 		/* second test allocation, dst mbufs */
197 		for (i = 0; i < UT_MBUFS_PER_OP; i++) {
198 			g_dst_mbufs[i]->next = NULL;
199 			*mbufs++ = g_dst_mbufs[i];
200 		}
201 		ut_rte_pktmbuf_alloc_bulk = 0;
202 	} else {
203 		return -1;
204 	}
205 	return 0;
206 }
207 
208 struct rte_mempool *
209 rte_pktmbuf_pool_create(const char *name, unsigned n, unsigned cache_size,
210 			uint16_t priv_size, uint16_t data_room_size, int socket_id)
211 {
212 	struct spdk_mempool *tmp;
213 
214 	tmp = spdk_mempool_create("mbuf_mp", 1024, sizeof(struct rte_mbuf),
215 				  SPDK_MEMPOOL_DEFAULT_CACHE_SIZE,
216 				  SPDK_ENV_SOCKET_ID_ANY);
217 
218 	return (struct rte_mempool *)tmp;
219 }
220 
221 void
222 rte_mempool_free(struct rte_mempool *mp)
223 {
224 	if (mp) {
225 		spdk_mempool_free((struct spdk_mempool *)mp);
226 	}
227 }
228 
229 #include "accel/dpdk_compressdev/accel_dpdk_compressdev.c"
230 
231 static void _compress_done(void *arg, int status);
232 static int ut_expected_task_status = 0;
233 void
234 spdk_accel_task_complete(struct spdk_accel_task *accel_task, int status)
235 {
236 	CU_ASSERT(status == ut_expected_task_status);
237 	accel_task->cb_fn(accel_task, status);
238 }
239 
240 /* SPDK stubs */
241 DEFINE_STUB_V(spdk_accel_module_finish, (void));
242 DEFINE_STUB_V(spdk_accel_module_list_add, (struct spdk_accel_module_if *accel_module));
243 
244 /* DPDK stubs */
245 DEFINE_STUB(rte_compressdev_capability_get, const struct rte_compressdev_capabilities *,
246 	    (uint8_t dev_id,
247 	     enum rte_comp_algorithm algo), NULL);
248 #define DPDK_DYNFIELD_OFFSET offsetof(struct rte_mbuf, dynfield1[1])
249 DEFINE_STUB(rte_mbuf_dynfield_register, int, (const struct rte_mbuf_dynfield *params),
250 	    DPDK_DYNFIELD_OFFSET);
251 DEFINE_STUB(rte_socket_id, unsigned, (void), 0);
252 DEFINE_STUB(rte_vdev_init, int, (const char *name, const char *args), 0);
253 DEFINE_STUB_V(rte_comp_op_free, (struct rte_comp_op *op));
254 DEFINE_STUB(rte_comp_op_alloc, struct rte_comp_op *, (struct rte_mempool *mempool), NULL);
255 
256 int g_small_size_counter = 0;
257 int g_small_size_modify = 0;
258 uint64_t g_small_size = 0;
259 uint64_t
260 spdk_vtophys(const void *buf, uint64_t *size)
261 {
262 	g_small_size_counter++;
263 	if (g_small_size_counter == g_small_size_modify) {
264 		*size = g_small_size;
265 		g_small_size_counter = 0;
266 		g_small_size_modify = 0;
267 	}
268 	return (uint64_t)buf;
269 }
270 
271 static uint16_t ut_rte_compressdev_dequeue_burst = 0;
272 uint16_t
273 rte_compressdev_dequeue_burst(uint8_t dev_id, uint16_t qp_id, struct rte_comp_op **ops,
274 			      uint16_t nb_op)
275 {
276 	if (ut_rte_compressdev_dequeue_burst == 0) {
277 		return 0;
278 	}
279 
280 	ops[0] = &g_comp_op[0];
281 	ops[1] = &g_comp_op[1];
282 
283 	return ut_rte_compressdev_dequeue_burst;
284 }
285 
286 static uint16_t g_done_count = 1;
287 static void
288 _compress_done(void *arg, int status)
289 {
290 	struct spdk_accel_task *task  = arg;
291 
292 	if (status == 0) {
293 		CU_ASSERT(*task->output_size == g_comp_op[g_done_count++].produced);
294 	}
295 }
296 
297 static void
298 _get_mbuf_array(struct rte_mbuf **mbuf_array, struct rte_mbuf *mbuf_head,
299 		int mbuf_count, bool null_final)
300 {
301 	int i;
302 
303 	for (i = 0; i < mbuf_count; i++) {
304 		mbuf_array[i] = mbuf_head;
305 		if (mbuf_head) {
306 			mbuf_head = mbuf_head->next;
307 		}
308 	}
309 	if (null_final) {
310 		mbuf_array[i - 1] = NULL;
311 	}
312 }
313 
314 #define FAKE_ENQUEUE_SUCCESS 255
315 #define FAKE_ENQUEUE_ERROR 128
316 #define FAKE_ENQUEUE_BUSY 64
317 static uint16_t ut_enqueue_value = FAKE_ENQUEUE_SUCCESS;
318 static struct rte_comp_op ut_expected_op;
319 uint16_t
320 rte_compressdev_enqueue_burst(uint8_t dev_id, uint16_t qp_id, struct rte_comp_op **ops,
321 			      uint16_t nb_ops)
322 {
323 	struct rte_comp_op *op = *ops;
324 	struct rte_mbuf *op_mbuf[UT_MBUFS_PER_OP_BOUND_TEST];
325 	struct rte_mbuf *exp_mbuf[UT_MBUFS_PER_OP_BOUND_TEST];
326 	int i, num_src_mbufs = UT_MBUFS_PER_OP;
327 
328 	switch (ut_enqueue_value) {
329 	case FAKE_ENQUEUE_BUSY:
330 		op->status = RTE_COMP_OP_STATUS_NOT_PROCESSED;
331 		return 0;
332 	case FAKE_ENQUEUE_SUCCESS:
333 		op->status = RTE_COMP_OP_STATUS_SUCCESS;
334 		return 1;
335 	case FAKE_ENQUEUE_ERROR:
336 		op->status = RTE_COMP_OP_STATUS_ERROR;
337 		return 0;
338 	default:
339 		break;
340 	}
341 
342 	/* by design the compress module will never send more than 1 op at a time */
343 	CU_ASSERT(op->private_xform == ut_expected_op.private_xform);
344 
345 	/* setup our local pointers to the chained mbufs, those pointed to in the
346 	 * operation struct and the expected values.
347 	 */
348 	_get_mbuf_array(op_mbuf, op->m_src, SPDK_COUNTOF(op_mbuf), true);
349 	_get_mbuf_array(exp_mbuf, ut_expected_op.m_src, SPDK_COUNTOF(exp_mbuf), true);
350 
351 	if (ut_boundary_alloc == true) {
352 		/* if we crossed a boundary, we need to check the 4th src mbuf and
353 		 * reset the global that is used to identify whether we crossed
354 		 * or not
355 		 */
356 		num_src_mbufs = UT_MBUFS_PER_OP_BOUND_TEST;
357 		exp_mbuf[UT_MBUFS_PER_OP_BOUND_TEST - 1] = ut_expected_op.m_src->next->next->next;
358 		op_mbuf[UT_MBUFS_PER_OP_BOUND_TEST - 1] = op->m_src->next->next->next;
359 		ut_boundary_alloc = false;
360 	}
361 
362 	for (i = 0; i < num_src_mbufs; i++) {
363 		CU_ASSERT(op_mbuf[i]->buf_addr == exp_mbuf[i]->buf_addr);
364 		CU_ASSERT(op_mbuf[i]->buf_iova == exp_mbuf[i]->buf_iova);
365 		CU_ASSERT(op_mbuf[i]->buf_len == exp_mbuf[i]->buf_len);
366 		CU_ASSERT(op_mbuf[i]->pkt_len == exp_mbuf[i]->pkt_len);
367 	}
368 
369 	/* if only 3 mbufs were used in the test, the 4th should be zeroed */
370 	if (num_src_mbufs == UT_MBUFS_PER_OP) {
371 		CU_ASSERT(op_mbuf[UT_MBUFS_PER_OP_BOUND_TEST - 1] == NULL);
372 		CU_ASSERT(exp_mbuf[UT_MBUFS_PER_OP_BOUND_TEST - 1] == NULL);
373 	}
374 	CU_ASSERT(*RTE_MBUF_DYNFIELD(op->m_src, g_mbuf_offset, uint64_t *) ==
375 		  *RTE_MBUF_DYNFIELD(ut_expected_op.m_src, g_mbuf_offset, uint64_t *));
376 	CU_ASSERT(op->src.offset == ut_expected_op.src.offset);
377 	CU_ASSERT(op->src.length == ut_expected_op.src.length);
378 
379 	/* check dst mbuf values */
380 	_get_mbuf_array(op_mbuf, op->m_dst, SPDK_COUNTOF(op_mbuf), true);
381 	_get_mbuf_array(exp_mbuf, ut_expected_op.m_dst, SPDK_COUNTOF(exp_mbuf), true);
382 
383 	for (i = 0; i < UT_MBUFS_PER_OP; i++) {
384 		CU_ASSERT(op_mbuf[i]->buf_addr == exp_mbuf[i]->buf_addr);
385 		CU_ASSERT(op_mbuf[i]->buf_iova == exp_mbuf[i]->buf_iova);
386 		CU_ASSERT(op_mbuf[i]->buf_len == exp_mbuf[i]->buf_len);
387 		CU_ASSERT(op_mbuf[i]->pkt_len == exp_mbuf[i]->pkt_len);
388 	}
389 	CU_ASSERT(op->dst.offset == ut_expected_op.dst.offset);
390 
391 	return ut_enqueue_value;
392 }
393 
394 /* Global setup for all tests that share a bunch of preparation... */
395 static int
396 test_setup(void)
397 {
398 	struct spdk_thread *thread;
399 	int i;
400 
401 	spdk_thread_lib_init(NULL, 0);
402 
403 	thread = spdk_thread_create(NULL, NULL);
404 	spdk_set_thread(thread);
405 
406 	g_comp_xform = (struct rte_comp_xform) {
407 		.type = RTE_COMP_COMPRESS,
408 		.compress = {
409 			.algo = RTE_COMP_ALGO_DEFLATE,
410 			.deflate.huffman = RTE_COMP_HUFFMAN_DEFAULT,
411 			.level = RTE_COMP_LEVEL_MAX,
412 			.window_size = DEFAULT_WINDOW_SIZE,
413 			.chksum = RTE_COMP_CHECKSUM_NONE,
414 			.hash_algo = RTE_COMP_HASH_ALGO_NONE
415 		}
416 	};
417 
418 	g_decomp_xform = (struct rte_comp_xform) {
419 		.type = RTE_COMP_DECOMPRESS,
420 		.decompress = {
421 			.algo = RTE_COMP_ALGO_DEFLATE,
422 			.chksum = RTE_COMP_CHECKSUM_NONE,
423 			.window_size = DEFAULT_WINDOW_SIZE,
424 			.hash_algo = RTE_COMP_HASH_ALGO_NONE
425 		}
426 	};
427 	g_device.comp_xform = &g_comp_xform;
428 	g_device.decomp_xform = &g_decomp_xform;
429 	g_cdev_cap.comp_feature_flags = RTE_COMP_FF_SHAREABLE_PRIV_XFORM;
430 	g_device.cdev_info.driver_name = "compressdev";
431 	g_device.cdev_info.capabilities = &g_cdev_cap;
432 	for (i = 0; i < UT_MBUFS_PER_OP_BOUND_TEST; i++) {
433 		g_src_mbufs[i] = spdk_zmalloc(sizeof(struct rte_mbuf), 0x40, NULL,
434 					      SPDK_ENV_LCORE_ID_ANY, SPDK_MALLOC_DMA);
435 	}
436 	for (i = 0; i < UT_MBUFS_PER_OP; i++) {
437 		g_dst_mbufs[i] = spdk_zmalloc(sizeof(struct rte_mbuf), 0x40, NULL,
438 					      SPDK_ENV_LCORE_ID_ANY, SPDK_MALLOC_DMA);
439 	}
440 
441 	g_io_ch = calloc(1, sizeof(struct spdk_io_channel) + sizeof(struct compress_io_channel));
442 	g_io_ch->thread = thread;
443 	g_comp_ch = (struct compress_io_channel *)spdk_io_channel_get_ctx(g_io_ch);
444 	g_comp_ch->device_qp = &g_device_qp;
445 	g_comp_ch->device_qp->device = &g_device;
446 	g_device_qp.device->sgl_in = true;
447 	g_device_qp.device->sgl_out = true;
448 	g_comp_ch->src_mbufs = calloc(UT_MBUFS_PER_OP_BOUND_TEST, sizeof(void *));
449 	g_comp_ch->dst_mbufs = calloc(UT_MBUFS_PER_OP, sizeof(void *));
450 	TAILQ_INIT(&g_comp_ch->queued_tasks);
451 
452 	for (i = 0; i < UT_MBUFS_PER_OP_BOUND_TEST - 1; i++) {
453 		g_expected_src_mbufs[i].next = &g_expected_src_mbufs[i + 1];
454 	}
455 	g_expected_src_mbufs[UT_MBUFS_PER_OP_BOUND_TEST - 1].next = NULL;
456 
457 	/* we only test w/4 mbufs on src side */
458 	for (i = 0; i < UT_MBUFS_PER_OP - 1; i++) {
459 		g_expected_dst_mbufs[i].next = &g_expected_dst_mbufs[i + 1];
460 	}
461 	g_expected_dst_mbufs[UT_MBUFS_PER_OP - 1].next = NULL;
462 	g_mbuf_offset = DPDK_DYNFIELD_OFFSET;
463 
464 	return 0;
465 }
466 
467 /* Global teardown for all tests */
468 static int
469 test_cleanup(void)
470 {
471 	struct spdk_thread *thread;
472 	int i;
473 
474 	for (i = 0; i < UT_MBUFS_PER_OP_BOUND_TEST; i++) {
475 		spdk_free(g_src_mbufs[i]);
476 	}
477 	for (i = 0; i < UT_MBUFS_PER_OP; i++) {
478 		spdk_free(g_dst_mbufs[i]);
479 	}
480 	free(g_comp_ch->src_mbufs);
481 	free(g_comp_ch->dst_mbufs);
482 	free(g_io_ch);
483 
484 	thread = spdk_get_thread();
485 	spdk_thread_exit(thread);
486 	while (!spdk_thread_is_exited(thread)) {
487 		spdk_thread_poll(thread, 0, 0);
488 	}
489 	spdk_thread_destroy(thread);
490 
491 	spdk_thread_lib_fini();
492 
493 	return 0;
494 }
495 
496 static void
497 test_compress_operation(void)
498 {
499 	struct iovec src_iovs[3] = {};
500 	int src_iovcnt;
501 	struct iovec dst_iovs[3] = {};
502 	int dst_iovcnt;
503 	struct spdk_accel_task *task_p, task = {};
504 	int rc, i;
505 	struct rte_mbuf *exp_src_mbuf[UT_MBUFS_PER_OP];
506 	struct rte_mbuf *exp_dst_mbuf[UT_MBUFS_PER_OP];
507 	uint32_t output_size;
508 
509 	src_iovcnt = dst_iovcnt = 3;
510 	for (i = 0; i < dst_iovcnt; i++) {
511 		src_iovs[i].iov_len = 0x1000;
512 		dst_iovs[i].iov_len = 0x1000;
513 		src_iovs[i].iov_base = (void *)0x10000000 + 0x1000 * i;
514 		dst_iovs[i].iov_base = (void *)0x20000000 + 0x1000 * i;
515 	}
516 
517 	task.cb_fn = _compress_done;
518 	task.op_code = SPDK_ACCEL_OPC_COMPRESS;
519 	task.output_size = &output_size;
520 	task.d.iovs = dst_iovs;
521 	task.d.iovcnt = dst_iovcnt;
522 	task.s.iovs = src_iovs;
523 	task.s.iovcnt = src_iovcnt;
524 	task_p = &task;
525 
526 	/* test rte_comp_op_alloc failure */
527 	MOCK_SET(rte_comp_op_alloc, NULL);
528 	CU_ASSERT(TAILQ_EMPTY(&g_comp_ch->queued_tasks) == true);
529 	rc = _compress_operation(g_comp_ch, &task);
530 	CU_ASSERT(rc == 0);
531 	CU_ASSERT(TAILQ_EMPTY(&g_comp_ch->queued_tasks) == false);
532 	while (!TAILQ_EMPTY(&g_comp_ch->queued_tasks)) {
533 		task_p = TAILQ_FIRST(&g_comp_ch->queued_tasks);
534 		TAILQ_REMOVE(&g_comp_ch->queued_tasks, task_p, link);
535 	}
536 	CU_ASSERT(TAILQ_EMPTY(&g_comp_ch->queued_tasks) == true);
537 
538 	/* test mempool get failure */
539 	MOCK_SET(rte_comp_op_alloc, &g_comp_op[0]);
540 	ut_rte_pktmbuf_alloc_bulk = -1;
541 	CU_ASSERT(TAILQ_EMPTY(&g_comp_ch->queued_tasks) == true);
542 	rc = _compress_operation(g_comp_ch, &task);
543 	CU_ASSERT(TAILQ_EMPTY(&g_comp_ch->queued_tasks) == false);
544 	while (!TAILQ_EMPTY(&g_comp_ch->queued_tasks)) {
545 		task_p = TAILQ_FIRST(&g_comp_ch->queued_tasks);
546 		TAILQ_REMOVE(&g_comp_ch->queued_tasks, task_p, link);
547 	}
548 	CU_ASSERT(TAILQ_EMPTY(&g_comp_ch->queued_tasks) == true);
549 	CU_ASSERT(rc == 0);
550 	ut_rte_pktmbuf_alloc_bulk = 0;
551 
552 	/* test enqueue failure busy */
553 	ut_enqueue_value = FAKE_ENQUEUE_BUSY;
554 	CU_ASSERT(TAILQ_EMPTY(&g_comp_ch->queued_tasks) == true);
555 	rc = _compress_operation(g_comp_ch, &task);
556 	CU_ASSERT(TAILQ_EMPTY(&g_comp_ch->queued_tasks) == false);
557 	while (!TAILQ_EMPTY(&g_comp_ch->queued_tasks)) {
558 		task_p = TAILQ_FIRST(&g_comp_ch->queued_tasks);
559 		TAILQ_REMOVE(&g_comp_ch->queued_tasks, task_p, link);
560 	}
561 	CU_ASSERT(TAILQ_EMPTY(&g_comp_ch->queued_tasks) == true);
562 	CU_ASSERT(rc == 0);
563 	ut_enqueue_value = 1;
564 
565 	/* test enqueue failure error */
566 	ut_enqueue_value = FAKE_ENQUEUE_ERROR;
567 	CU_ASSERT(TAILQ_EMPTY(&g_comp_ch->queued_tasks) == true);
568 	rc = _compress_operation(g_comp_ch, &task);
569 	CU_ASSERT(TAILQ_EMPTY(&g_comp_ch->queued_tasks) == true);
570 	CU_ASSERT(rc == -EINVAL);
571 	ut_enqueue_value = FAKE_ENQUEUE_SUCCESS;
572 
573 	/* test success with 3 vector iovec */
574 	ut_expected_op.private_xform = &g_decomp_xform;
575 	ut_expected_op.src.offset = 0;
576 	ut_expected_op.src.length = src_iovs[0].iov_len + src_iovs[1].iov_len + src_iovs[2].iov_len;
577 
578 	/* setup the src expected values */
579 	_get_mbuf_array(exp_src_mbuf, &g_expected_src_mbufs[0], SPDK_COUNTOF(exp_src_mbuf), false);
580 	ut_expected_op.m_src = exp_src_mbuf[0];
581 
582 	for (i = 0; i < UT_MBUFS_PER_OP; i++) {
583 		*RTE_MBUF_DYNFIELD(exp_src_mbuf[i], g_mbuf_offset, uint64_t *) = (uint64_t)&task;
584 		exp_src_mbuf[i]->buf_addr = src_iovs[i].iov_base;
585 		exp_src_mbuf[i]->buf_iova = spdk_vtophys(src_iovs[i].iov_base, &src_iovs[i].iov_len);
586 		exp_src_mbuf[i]->buf_len = src_iovs[i].iov_len;
587 		exp_src_mbuf[i]->pkt_len = src_iovs[i].iov_len;
588 	}
589 
590 	/* setup the dst expected values */
591 	_get_mbuf_array(exp_dst_mbuf, &g_expected_dst_mbufs[0], SPDK_COUNTOF(exp_dst_mbuf), false);
592 	ut_expected_op.dst.offset = 0;
593 	ut_expected_op.m_dst = exp_dst_mbuf[0];
594 
595 	for (i = 0; i < UT_MBUFS_PER_OP; i++) {
596 		exp_dst_mbuf[i]->buf_addr = dst_iovs[i].iov_base;
597 		exp_dst_mbuf[i]->buf_iova = spdk_vtophys(dst_iovs[i].iov_base, &dst_iovs[i].iov_len);
598 		exp_dst_mbuf[i]->buf_len = dst_iovs[i].iov_len;
599 		exp_dst_mbuf[i]->pkt_len = dst_iovs[i].iov_len;
600 	}
601 
602 	rc = _compress_operation(g_comp_ch, &task);
603 	CU_ASSERT(TAILQ_EMPTY(&g_comp_ch->queued_tasks) == true);
604 	CU_ASSERT(rc == 0);
605 
606 	/* test sgl out failure */
607 	g_device.sgl_out = false;
608 	CU_ASSERT(TAILQ_EMPTY(&g_comp_ch->queued_tasks) == true);
609 	rc = _compress_operation(g_comp_ch, &task);
610 	CU_ASSERT(rc == -EINVAL);
611 	CU_ASSERT(TAILQ_EMPTY(&g_comp_ch->queued_tasks) == true);
612 	g_device.sgl_out = true;
613 
614 	/* test sgl in failure */
615 	g_device.sgl_in = false;
616 	CU_ASSERT(TAILQ_EMPTY(&g_comp_ch->queued_tasks) == true);
617 	rc = _compress_operation(g_comp_ch, &task);
618 	CU_ASSERT(rc == -EINVAL);
619 	CU_ASSERT(TAILQ_EMPTY(&g_comp_ch->queued_tasks) == true);
620 	g_device.sgl_in = true;
621 }
622 
623 static void
624 test_compress_operation_cross_boundary(void)
625 {
626 	struct iovec src_iovs[3] = {};
627 	int src_iovcnt;
628 	struct iovec dst_iovs[3] = {};
629 	int dst_iovcnt;
630 	int rc, i;
631 	struct rte_mbuf *exp_src_mbuf[UT_MBUFS_PER_OP_BOUND_TEST];
632 	struct rte_mbuf *exp_dst_mbuf[UT_MBUFS_PER_OP_BOUND_TEST];
633 	struct spdk_accel_task task = {};
634 	uint32_t output_size;
635 
636 	/* Setup the same basic 3 IOV test as used in the simple success case
637 	 * but then we'll start testing a vtophy boundary crossing at each
638 	 * position.
639 	 */
640 	src_iovcnt = dst_iovcnt = 3;
641 	for (i = 0; i < dst_iovcnt; i++) {
642 		src_iovs[i].iov_len = 0x1000;
643 		dst_iovs[i].iov_len = 0x1000;
644 		src_iovs[i].iov_base = (void *)0x10000000 + 0x1000 * i;
645 		dst_iovs[i].iov_base = (void *)0x20000000 + 0x1000 * i;
646 	}
647 
648 	ut_expected_op.private_xform = &g_decomp_xform;
649 	ut_expected_op.src.offset = 0;
650 	ut_expected_op.src.length = src_iovs[0].iov_len + src_iovs[1].iov_len + src_iovs[2].iov_len;
651 
652 	/* setup the src expected values */
653 	_get_mbuf_array(exp_src_mbuf, &g_expected_src_mbufs[0], SPDK_COUNTOF(exp_src_mbuf), false);
654 	ut_expected_op.m_src = exp_src_mbuf[0];
655 
656 	for (i = 0; i < UT_MBUFS_PER_OP; i++) {
657 		*RTE_MBUF_DYNFIELD(exp_src_mbuf[i], g_mbuf_offset, uint64_t *) = (uint64_t)&task;
658 		exp_src_mbuf[i]->buf_addr = src_iovs[i].iov_base;
659 		exp_src_mbuf[i]->buf_iova = spdk_vtophys(src_iovs[i].iov_base, &src_iovs[i].iov_len);
660 		exp_src_mbuf[i]->buf_len = src_iovs[i].iov_len;
661 		exp_src_mbuf[i]->pkt_len = src_iovs[i].iov_len;
662 	}
663 
664 	/* setup the dst expected values, we don't test needing a 4th dst mbuf */
665 	_get_mbuf_array(exp_dst_mbuf, &g_expected_dst_mbufs[0], SPDK_COUNTOF(exp_dst_mbuf), false);
666 	ut_expected_op.dst.offset = 0;
667 	ut_expected_op.m_dst = exp_dst_mbuf[0];
668 
669 	for (i = 0; i < UT_MBUFS_PER_OP; i++) {
670 		exp_dst_mbuf[i]->buf_addr = dst_iovs[i].iov_base;
671 		exp_dst_mbuf[i]->buf_iova = spdk_vtophys(dst_iovs[i].iov_base, &dst_iovs[i].iov_len);
672 		exp_dst_mbuf[i]->buf_len = dst_iovs[i].iov_len;
673 		exp_dst_mbuf[i]->pkt_len = dst_iovs[i].iov_len;
674 	}
675 
676 	/* force the 1st IOV to get partial length from spdk_vtophys */
677 	g_small_size_counter = 0;
678 	g_small_size_modify = 1;
679 	g_small_size = 0x800;
680 	*RTE_MBUF_DYNFIELD(exp_src_mbuf[3], g_mbuf_offset, uint64_t *) = (uint64_t)&task;
681 
682 	/* first only has shorter length */
683 	exp_src_mbuf[0]->pkt_len = exp_src_mbuf[0]->buf_len = 0x800;
684 
685 	/* 2nd was inserted by the boundary crossing condition and finishes off
686 	 * the length from the first */
687 	exp_src_mbuf[1]->buf_addr = (void *)0x10000800;
688 	exp_src_mbuf[1]->buf_iova = 0x10000800;
689 	exp_src_mbuf[1]->pkt_len = exp_src_mbuf[1]->buf_len = 0x800;
690 
691 	/* 3rd looks like that the 2nd would have */
692 	exp_src_mbuf[2]->buf_addr = (void *)0x10001000;
693 	exp_src_mbuf[2]->buf_iova = 0x10001000;
694 	exp_src_mbuf[2]->pkt_len = exp_src_mbuf[2]->buf_len = 0x1000;
695 
696 	/* a new 4th looks like what the 3rd would have */
697 	exp_src_mbuf[3]->buf_addr = (void *)0x10002000;
698 	exp_src_mbuf[3]->buf_iova = 0x10002000;
699 	exp_src_mbuf[3]->pkt_len = exp_src_mbuf[3]->buf_len = 0x1000;
700 
701 	task.cb_fn = _compress_done;
702 	task.op_code = SPDK_ACCEL_OPC_COMPRESS;
703 	task.output_size = &output_size;
704 	task.d.iovs = dst_iovs;
705 	task.d.iovcnt = dst_iovcnt;
706 	task.s.iovs = src_iovs;
707 	task.s.iovcnt = src_iovcnt;
708 
709 	rc = _compress_operation(g_comp_ch, &task);
710 	CU_ASSERT(TAILQ_EMPTY(&g_comp_ch->queued_tasks) == true);
711 	CU_ASSERT(rc == 0);
712 
713 	/* Now force the 2nd IOV to get partial length from spdk_vtophys */
714 	g_small_size_counter = 0;
715 	g_small_size_modify = 2;
716 	g_small_size = 0x800;
717 
718 	/* first is normal */
719 	exp_src_mbuf[0]->buf_addr = (void *)0x10000000;
720 	exp_src_mbuf[0]->buf_iova = 0x10000000;
721 	exp_src_mbuf[0]->pkt_len = exp_src_mbuf[0]->buf_len = 0x1000;
722 
723 	/* second only has shorter length */
724 	exp_src_mbuf[1]->buf_addr = (void *)0x10001000;
725 	exp_src_mbuf[1]->buf_iova = 0x10001000;
726 	exp_src_mbuf[1]->pkt_len = exp_src_mbuf[1]->buf_len = 0x800;
727 
728 	/* 3rd was inserted by the boundary crossing condition and finishes off
729 	 * the length from the first */
730 	exp_src_mbuf[2]->buf_addr = (void *)0x10001800;
731 	exp_src_mbuf[2]->buf_iova = 0x10001800;
732 	exp_src_mbuf[2]->pkt_len = exp_src_mbuf[2]->buf_len = 0x800;
733 
734 	/* a new 4th looks like what the 3rd would have */
735 	exp_src_mbuf[3]->buf_addr = (void *)0x10002000;
736 	exp_src_mbuf[3]->buf_iova = 0x10002000;
737 	exp_src_mbuf[3]->pkt_len = exp_src_mbuf[3]->buf_len = 0x1000;
738 
739 	rc = _compress_operation(g_comp_ch, &task);
740 	CU_ASSERT(TAILQ_EMPTY(&g_comp_ch->queued_tasks) == true);
741 	CU_ASSERT(rc == 0);
742 
743 	/* Finally force the 3rd IOV to get partial length from spdk_vtophys */
744 	g_small_size_counter = 0;
745 	g_small_size_modify = 3;
746 	g_small_size = 0x800;
747 
748 	/* first is normal */
749 	exp_src_mbuf[0]->buf_addr = (void *)0x10000000;
750 	exp_src_mbuf[0]->buf_iova = 0x10000000;
751 	exp_src_mbuf[0]->pkt_len = exp_src_mbuf[0]->buf_len = 0x1000;
752 
753 	/* second is normal */
754 	exp_src_mbuf[1]->buf_addr = (void *)0x10001000;
755 	exp_src_mbuf[1]->buf_iova = 0x10001000;
756 	exp_src_mbuf[1]->pkt_len = exp_src_mbuf[1]->buf_len = 0x1000;
757 
758 	/* 3rd has shorter length */
759 	exp_src_mbuf[2]->buf_addr = (void *)0x10002000;
760 	exp_src_mbuf[2]->buf_iova = 0x10002000;
761 	exp_src_mbuf[2]->pkt_len = exp_src_mbuf[2]->buf_len = 0x800;
762 
763 	/* a new 4th handles the remainder from the 3rd */
764 	exp_src_mbuf[3]->buf_addr = (void *)0x10002800;
765 	exp_src_mbuf[3]->buf_iova = 0x10002800;
766 	exp_src_mbuf[3]->pkt_len = exp_src_mbuf[3]->buf_len = 0x800;
767 
768 	rc = _compress_operation(g_comp_ch, &task);
769 	CU_ASSERT(TAILQ_EMPTY(&g_comp_ch->queued_tasks) == true);
770 	CU_ASSERT(rc == 0);
771 
772 	/* Single input iov is split on page boundary, sgl_in is not supported */
773 	g_device.sgl_in = false;
774 	g_small_size_counter = 0;
775 	g_small_size_modify = 1;
776 	g_small_size = 0x800;
777 	rc = _compress_operation(g_comp_ch, &task);
778 	CU_ASSERT(rc == -EINVAL);
779 	g_device.sgl_in = true;
780 
781 	/* Single output iov is split on page boundary, sgl_out is not supported */
782 	g_device.sgl_out = false;
783 	g_small_size_counter = 0;
784 	g_small_size_modify = 2;
785 	g_small_size = 0x800;
786 	rc = _compress_operation(g_comp_ch, &task);
787 	CU_ASSERT(rc == -EINVAL);
788 	g_device.sgl_out = true;
789 }
790 
791 static void
792 test_setup_compress_mbuf(void)
793 {
794 	struct iovec src_iovs = {};
795 	int src_iovcnt = 1;
796 	struct spdk_accel_task task = {};
797 	int src_mbuf_added = 0;
798 	uint64_t total_length;
799 	struct rte_mbuf *exp_src_mbuf[UT_MBUFS_PER_OP_BOUND_TEST];
800 	int rc, i;
801 
802 	/* setup the src expected values */
803 	_get_mbuf_array(exp_src_mbuf, &g_expected_src_mbufs[0], SPDK_COUNTOF(exp_src_mbuf), false);
804 
805 	/* no splitting */
806 	total_length = 0;
807 	ut_total_rte_pktmbuf_attach_extbuf = 0;
808 	src_iovs.iov_len = 0x1000;
809 	src_iovs.iov_base = (void *)0x10000000 + 0x1000;
810 	rc = _setup_compress_mbuf(exp_src_mbuf, &src_mbuf_added, &total_length,
811 				  &src_iovs, src_iovcnt, &task);
812 	CU_ASSERT(rc == 0);
813 	CU_ASSERT(total_length = src_iovs.iov_len);
814 	CU_ASSERT(src_mbuf_added == 0);
815 	CU_ASSERT(ut_total_rte_pktmbuf_attach_extbuf == 1);
816 
817 	/* one split, for splitting tests we need the global mbuf array unlinked,
818 	 * otherwise the functional code will attempt to link them but if they are
819 	 * already linked, it will just create a chain that links to itself */
820 	for (i = 0; i < UT_MBUFS_PER_OP_BOUND_TEST - 1; i++) {
821 		g_expected_src_mbufs[i].next = NULL;
822 	}
823 	total_length = 0;
824 	ut_total_rte_pktmbuf_attach_extbuf = 0;
825 	src_iovs.iov_len = 0x1000 + MBUF_SPLIT;
826 	exp_src_mbuf[0]->buf_len = src_iovs.iov_len;
827 	exp_src_mbuf[0]->pkt_len = src_iovs.iov_len;
828 	rc = _setup_compress_mbuf(exp_src_mbuf, &src_mbuf_added, &total_length,
829 				  &src_iovs, src_iovcnt, &task);
830 	CU_ASSERT(rc == 0);
831 	CU_ASSERT(total_length = src_iovs.iov_len);
832 	CU_ASSERT(src_mbuf_added == 0);
833 	CU_ASSERT(ut_total_rte_pktmbuf_attach_extbuf == 2);
834 
835 	/* two splits */
836 	for (i = 0; i < UT_MBUFS_PER_OP_BOUND_TEST - 1; i++) {
837 		g_expected_src_mbufs[i].next = NULL;
838 	}
839 	total_length = 0;
840 	ut_total_rte_pktmbuf_attach_extbuf = 0;
841 	src_iovs.iov_len = 0x1000 + 2 * MBUF_SPLIT;
842 	exp_src_mbuf[0]->buf_len = src_iovs.iov_len;
843 	exp_src_mbuf[0]->pkt_len = src_iovs.iov_len;
844 
845 	rc = _setup_compress_mbuf(exp_src_mbuf, &src_mbuf_added, &total_length,
846 				  &src_iovs, src_iovcnt, &task);
847 	CU_ASSERT(rc == 0);
848 	CU_ASSERT(total_length = src_iovs.iov_len);
849 	CU_ASSERT(src_mbuf_added == 0);
850 	CU_ASSERT(ut_total_rte_pktmbuf_attach_extbuf == 3);
851 
852 	/* relink the global mbuf array */
853 	for (i = 0; i < UT_MBUFS_PER_OP_BOUND_TEST - 1; i++) {
854 		g_expected_src_mbufs[i].next = &g_expected_src_mbufs[i + 1];
855 	}
856 }
857 
858 static void
859 test_poller(void)
860 {
861 	int rc;
862 	struct compress_io_channel *args;
863 	struct rte_mbuf mbuf[4]; /* one src, one dst, 2 ops */
864 	struct iovec src_iovs[3] = {};
865 	struct iovec dst_iovs[3] = {};
866 	uint32_t output_size[2];
867 	struct spdk_accel_task task[2] = {};
868 	struct spdk_accel_task *task_to_resubmit;
869 	struct rte_mbuf *exp_src_mbuf[UT_MBUFS_PER_OP];
870 	struct rte_mbuf *exp_dst_mbuf[UT_MBUFS_PER_OP];
871 	int i;
872 
873 	args = calloc(1, sizeof(*args));
874 	SPDK_CU_ASSERT_FATAL(args != NULL);
875 	memset(&g_comp_op[0], 0, sizeof(struct rte_comp_op));
876 	g_comp_op[0].m_src = &mbuf[0];
877 	g_comp_op[1].m_src = &mbuf[1];
878 	g_comp_op[0].m_dst = &mbuf[2];
879 	g_comp_op[1].m_dst = &mbuf[3];
880 	for (i = 0; i < 3; i++) {
881 		src_iovs[i].iov_len = 0x1000;
882 		dst_iovs[i].iov_len = 0x1000;
883 		src_iovs[i].iov_base = (void *)0x10000000 + 0x1000 * i;
884 		dst_iovs[i].iov_base = (void *)0x20000000 + 0x1000 * i;
885 	}
886 	task[0].cb_fn = task[1].cb_fn = _compress_done;
887 	task[0].output_size = &output_size[0];
888 	task[1].output_size = &output_size[1];
889 
890 	/* Error from dequeue, nothing needing to be resubmitted.
891 	 */
892 	ut_rte_compressdev_dequeue_burst = 1;
893 	ut_expected_task_status = RTE_COMP_OP_STATUS_NOT_PROCESSED;
894 	/* setup what we want dequeue to return for the op */
895 	*RTE_MBUF_DYNFIELD(g_comp_op[0].m_src, g_mbuf_offset, uint64_t *) = (uint64_t)&task[0];
896 	g_comp_op[0].produced = 1;
897 	g_done_count = 0;
898 	g_comp_op[0].status = RTE_COMP_OP_STATUS_NOT_PROCESSED;
899 	CU_ASSERT(TAILQ_EMPTY(&g_comp_ch->queued_tasks) == true);
900 	rc = comp_dev_poller((void *)g_comp_ch);
901 	CU_ASSERT(TAILQ_EMPTY(&g_comp_ch->queued_tasks) == true);
902 	CU_ASSERT(rc == SPDK_POLLER_BUSY);
903 	ut_expected_task_status = RTE_COMP_OP_STATUS_SUCCESS;
904 
905 	/* Success from dequeue, 2 ops. nothing needing to be resubmitted.
906 	 */
907 	ut_rte_compressdev_dequeue_burst = 2;
908 	/* setup what we want dequeue to return for the op */
909 	*RTE_MBUF_DYNFIELD(g_comp_op[0].m_src, g_mbuf_offset, uint64_t *) = (uint64_t)&task[0];
910 	g_comp_op[0].produced = 16;
911 	g_comp_op[0].status = RTE_COMP_OP_STATUS_SUCCESS;
912 	*RTE_MBUF_DYNFIELD(g_comp_op[1].m_src, g_mbuf_offset, uint64_t *) = (uint64_t)&task[1];
913 	g_comp_op[1].produced = 32;
914 	g_comp_op[1].status = RTE_COMP_OP_STATUS_SUCCESS;
915 	g_done_count = 0;
916 	ut_enqueue_value = FAKE_ENQUEUE_SUCCESS;
917 	CU_ASSERT(TAILQ_EMPTY(&g_comp_ch->queued_tasks) == true);
918 	rc = comp_dev_poller((void *)g_comp_ch);
919 	CU_ASSERT(TAILQ_EMPTY(&g_comp_ch->queued_tasks) == true);
920 	CU_ASSERT(rc == SPDK_POLLER_BUSY);
921 
922 	/* One to dequeue, one op to be resubmitted. */
923 	ut_rte_compressdev_dequeue_burst = 1;
924 	/* setup what we want dequeue to return for the op */
925 	*RTE_MBUF_DYNFIELD(g_comp_op[0].m_src, g_mbuf_offset, uint64_t *) = (uint64_t)&task[0];
926 	g_comp_op[0].produced = 16;
927 	g_comp_op[0].status = 0;
928 	g_done_count = 0;
929 	task_to_resubmit = calloc(1, sizeof(struct spdk_accel_task));
930 	SPDK_CU_ASSERT_FATAL(task_to_resubmit != NULL);
931 	task_to_resubmit->s.iovs = &src_iovs[0];
932 	task_to_resubmit->s.iovcnt = 3;
933 	task_to_resubmit->d.iovs = &dst_iovs[0];
934 	task_to_resubmit->d.iovcnt = 3;
935 	task_to_resubmit->op_code = SPDK_ACCEL_OPC_COMPRESS;
936 	task_to_resubmit->cb_arg = args;
937 	ut_enqueue_value = FAKE_ENQUEUE_SUCCESS;
938 	ut_expected_op.private_xform = &g_decomp_xform;
939 	ut_expected_op.src.offset = 0;
940 	ut_expected_op.src.length = src_iovs[0].iov_len + src_iovs[1].iov_len + src_iovs[2].iov_len;
941 
942 	/* setup the src expected values */
943 	_get_mbuf_array(exp_src_mbuf, &g_expected_src_mbufs[0], SPDK_COUNTOF(exp_src_mbuf), false);
944 	ut_expected_op.m_src = exp_src_mbuf[0];
945 
946 	for (i = 0; i < UT_MBUFS_PER_OP; i++) {
947 		*RTE_MBUF_DYNFIELD(exp_src_mbuf[i], g_mbuf_offset, uint64_t *) = (uint64_t)&task[0];
948 		exp_src_mbuf[i]->buf_addr = src_iovs[i].iov_base;
949 		exp_src_mbuf[i]->buf_iova = spdk_vtophys(src_iovs[i].iov_base, &src_iovs[i].iov_len);
950 		exp_src_mbuf[i]->buf_len = src_iovs[i].iov_len;
951 		exp_src_mbuf[i]->pkt_len = src_iovs[i].iov_len;
952 	}
953 
954 	/* setup the dst expected values */
955 	_get_mbuf_array(exp_dst_mbuf, &g_expected_dst_mbufs[0], SPDK_COUNTOF(exp_dst_mbuf), false);
956 	ut_expected_op.dst.offset = 0;
957 	ut_expected_op.m_dst = exp_dst_mbuf[0];
958 
959 	for (i = 0; i < UT_MBUFS_PER_OP; i++) {
960 		exp_dst_mbuf[i]->buf_addr = dst_iovs[i].iov_base;
961 		exp_dst_mbuf[i]->buf_iova = spdk_vtophys(dst_iovs[i].iov_base, &dst_iovs[i].iov_len);
962 		exp_dst_mbuf[i]->buf_len = dst_iovs[i].iov_len;
963 		exp_dst_mbuf[i]->pkt_len = dst_iovs[i].iov_len;
964 	}
965 	MOCK_SET(rte_comp_op_alloc, &g_comp_op[0]);
966 	TAILQ_INSERT_TAIL(&g_comp_ch->queued_tasks,
967 			  task_to_resubmit,
968 			  link);
969 	CU_ASSERT(TAILQ_EMPTY(&g_comp_ch->queued_tasks) == false);
970 	rc = comp_dev_poller((void *)g_comp_ch);
971 	CU_ASSERT(TAILQ_EMPTY(&g_comp_ch->queued_tasks) == true);
972 	CU_ASSERT(rc == SPDK_POLLER_BUSY);
973 
974 	free(task_to_resubmit);
975 	free(args);
976 }
977 
978 static void
979 test_initdrivers(void)
980 {
981 	int rc;
982 
983 	/* compressdev count 0 */
984 	rc = accel_init_compress_drivers();
985 	CU_ASSERT(rc == 0);
986 
987 	/* bogus count */
988 	ut_rte_compressdev_count = RTE_COMPRESS_MAX_DEVS + 1;
989 	rc = accel_init_compress_drivers();
990 	CU_ASSERT(rc == -EINVAL);
991 
992 	/* failure with rte_mbuf_dynfield_register */
993 	ut_rte_compressdev_count = 1;
994 	MOCK_SET(rte_mbuf_dynfield_register, -1);
995 	rc = accel_init_compress_drivers();
996 	CU_ASSERT(rc == -EINVAL);
997 	MOCK_SET(rte_mbuf_dynfield_register, DPDK_DYNFIELD_OFFSET);
998 
999 	/* error on create_compress_dev() */
1000 	ut_rte_comp_op_pool_create = (struct rte_mempool *)0xDEADBEEF;
1001 	ut_rte_compressdev_count = 1;
1002 	ut_rte_compressdev_configure = -1;
1003 	rc = accel_init_compress_drivers();
1004 	CU_ASSERT(rc == -1);
1005 
1006 	/* error on create_compress_dev() but coverage for large num queues */
1007 	ut_max_nb_queue_pairs = 99;
1008 	rc = accel_init_compress_drivers();
1009 	CU_ASSERT(rc == -1);
1010 
1011 	/* qpair setup fails */
1012 	ut_rte_compressdev_configure = 0;
1013 	ut_max_nb_queue_pairs = 0;
1014 	ut_rte_compressdev_queue_pair_setup = -1;
1015 	rc = accel_init_compress_drivers();
1016 	CU_ASSERT(rc == -EINVAL);
1017 
1018 	/* rte_compressdev_start fails */
1019 	ut_rte_compressdev_queue_pair_setup = 0;
1020 	ut_rte_compressdev_start = -1;
1021 	rc = accel_init_compress_drivers();
1022 	CU_ASSERT(rc == -1);
1023 
1024 	/* rte_compressdev_private_xform_create() fails */
1025 	ut_rte_compressdev_start = 0;
1026 	ut_rte_compressdev_private_xform_create = -2;
1027 	rc = accel_init_compress_drivers();
1028 	CU_ASSERT(rc == -2);
1029 
1030 	/* success */
1031 	ut_rte_compressdev_private_xform_create = 0;
1032 	rc = accel_init_compress_drivers();
1033 	CU_ASSERT(rc == 0);
1034 }
1035 
1036 int
1037 main(int argc, char **argv)
1038 {
1039 	CU_pSuite	suite = NULL;
1040 	unsigned int	num_failures;
1041 
1042 	CU_initialize_registry();
1043 
1044 	suite = CU_add_suite("compress", test_setup, test_cleanup);
1045 	CU_ADD_TEST(suite, test_compress_operation);
1046 	CU_ADD_TEST(suite, test_compress_operation_cross_boundary);
1047 	CU_ADD_TEST(suite, test_setup_compress_mbuf);
1048 	CU_ADD_TEST(suite, test_initdrivers);
1049 	CU_ADD_TEST(suite, test_poller);
1050 
1051 	num_failures = spdk_ut_run_tests(argc, argv, NULL);
1052 	CU_cleanup_registry();
1053 	return num_failures;
1054 }
1055