xref: /spdk/test/unit/lib/nvme/nvme_tcp.c/nvme_tcp_ut.c (revision 1fa071d332db21bf893d581a8e93b425ba788a24)
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
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10  *
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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.
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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
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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/stdinc.h"
35 
36 #include "spdk_cunit.h"
37 
38 #include "common/lib/test_sock.c"
39 
40 #include "nvme/nvme_tcp.c"
41 #include "common/lib/nvme/common_stubs.h"
42 
43 SPDK_LOG_REGISTER_COMPONENT("nvme", SPDK_LOG_NVME);
44 
45 DEFINE_STUB(nvme_qpair_submit_request,
46 	    int, (struct spdk_nvme_qpair *qpair, struct nvme_request *req), 0);
47 
48 static void
49 test_nvme_tcp_pdu_set_data_buf(void)
50 {
51 	struct nvme_tcp_pdu pdu = {};
52 	struct iovec iov[NVME_TCP_MAX_SGL_DESCRIPTORS] = {};
53 	uint32_t data_len;
54 	uint64_t i;
55 
56 	/* 1st case: input is a single SGL entry. */
57 	iov[0].iov_base = (void *)0xDEADBEEF;
58 	iov[0].iov_len = 4096;
59 
60 	nvme_tcp_pdu_set_data_buf(&pdu, iov, 1, 1024, 512);
61 
62 	CU_ASSERT(pdu.data_iovcnt == 1);
63 	CU_ASSERT((uint64_t)pdu.data_iov[0].iov_base == 0xDEADBEEF + 1024);
64 	CU_ASSERT(pdu.data_iov[0].iov_len == 512);
65 
66 	/* 2nd case: simulate split on multiple SGL entries. */
67 	iov[0].iov_base = (void *)0xDEADBEEF;
68 	iov[0].iov_len = 4096;
69 	iov[1].iov_base = (void *)0xFEEDBEEF;
70 	iov[1].iov_len = 512 * 7;
71 	iov[2].iov_base = (void *)0xF00DF00D;
72 	iov[2].iov_len = 4096 * 2;
73 
74 	nvme_tcp_pdu_set_data_buf(&pdu, iov, 3, 0, 2048);
75 
76 	CU_ASSERT(pdu.data_iovcnt == 1);
77 	CU_ASSERT((uint64_t)pdu.data_iov[0].iov_base == 0xDEADBEEF);
78 	CU_ASSERT(pdu.data_iov[0].iov_len == 2048);
79 
80 	nvme_tcp_pdu_set_data_buf(&pdu, iov, 3, 2048, 2048 + 512 * 3);
81 
82 	CU_ASSERT(pdu.data_iovcnt == 2);
83 	CU_ASSERT((uint64_t)pdu.data_iov[0].iov_base == 0xDEADBEEF + 2048);
84 	CU_ASSERT(pdu.data_iov[0].iov_len == 2048);
85 	CU_ASSERT((uint64_t)pdu.data_iov[1].iov_base == 0xFEEDBEEF);
86 	CU_ASSERT(pdu.data_iov[1].iov_len == 512 * 3);
87 
88 	nvme_tcp_pdu_set_data_buf(&pdu, iov, 3, 4096 + 512 * 3, 512 * 4 + 4096 * 2);
89 
90 	CU_ASSERT(pdu.data_iovcnt == 2);
91 	CU_ASSERT((uint64_t)pdu.data_iov[0].iov_base == 0xFEEDBEEF + 512 * 3);
92 	CU_ASSERT(pdu.data_iov[0].iov_len == 512 * 4);
93 	CU_ASSERT((uint64_t)pdu.data_iov[1].iov_base == 0xF00DF00D);
94 	CU_ASSERT(pdu.data_iov[1].iov_len == 4096 * 2);
95 
96 	/* 3rd case: Number of input SGL entries is equal to the number of PDU SGL
97 	 * entries.
98 	 */
99 	data_len = 0;
100 	for (i = 0; i < NVME_TCP_MAX_SGL_DESCRIPTORS; i++) {
101 		iov[i].iov_base = (void *)(0xDEADBEEF + i);
102 		iov[i].iov_len = 512 * (i + 1);
103 		data_len += 512 * (i + 1);
104 	}
105 
106 	nvme_tcp_pdu_set_data_buf(&pdu, iov, NVME_TCP_MAX_SGL_DESCRIPTORS, 0, data_len);
107 
108 	CU_ASSERT(pdu.data_iovcnt == NVME_TCP_MAX_SGL_DESCRIPTORS);
109 	for (i = 0; i < NVME_TCP_MAX_SGL_DESCRIPTORS; i++) {
110 		CU_ASSERT((uint64_t)pdu.data_iov[i].iov_base == 0xDEADBEEF + i);
111 		CU_ASSERT(pdu.data_iov[i].iov_len == 512 * (i + 1));
112 	}
113 }
114 
115 static void
116 test_nvme_tcp_build_iovs(void)
117 {
118 	const uintptr_t pdu_iov_len = 4096;
119 	struct nvme_tcp_pdu pdu = {};
120 	struct iovec iovs[5] = {};
121 	uint32_t mapped_length = 0;
122 	int rc;
123 
124 	pdu.hdr.common.pdu_type = SPDK_NVME_TCP_PDU_TYPE_CAPSULE_CMD;
125 	pdu.hdr.common.hlen = sizeof(struct spdk_nvme_tcp_cmd);
126 	pdu.hdr.common.plen = pdu.hdr.common.hlen + SPDK_NVME_TCP_DIGEST_LEN + pdu_iov_len * 2 +
127 			      SPDK_NVME_TCP_DIGEST_LEN;
128 	pdu.data_len = pdu_iov_len * 2;
129 	pdu.padding_len = 0;
130 
131 	pdu.data_iov[0].iov_base = (void *)0xDEADBEEF;
132 	pdu.data_iov[0].iov_len = pdu_iov_len;
133 	pdu.data_iov[1].iov_base = (void *)(0xDEADBEEF + pdu_iov_len);
134 	pdu.data_iov[1].iov_len = pdu_iov_len;
135 	pdu.data_iovcnt = 2;
136 
137 	rc = nvme_tcp_build_iovs(iovs, 5, &pdu, true, true, &mapped_length);
138 	CU_ASSERT(rc == 4);
139 	CU_ASSERT(iovs[0].iov_base == (void *)&pdu.hdr.raw);
140 	CU_ASSERT(iovs[0].iov_len == sizeof(struct spdk_nvme_tcp_cmd) + SPDK_NVME_TCP_DIGEST_LEN);
141 	CU_ASSERT(iovs[1].iov_base == (void *)0xDEADBEEF);
142 	CU_ASSERT(iovs[1].iov_len == pdu_iov_len);
143 	CU_ASSERT(iovs[2].iov_base == (void *)(0xDEADBEEF + pdu_iov_len));
144 	CU_ASSERT(iovs[2].iov_len == pdu_iov_len);
145 	CU_ASSERT(iovs[3].iov_base == (void *)pdu.data_digest);
146 	CU_ASSERT(iovs[3].iov_len == SPDK_NVME_TCP_DIGEST_LEN);
147 	CU_ASSERT(mapped_length == sizeof(struct spdk_nvme_tcp_cmd) + SPDK_NVME_TCP_DIGEST_LEN +
148 		  pdu_iov_len * 2 + SPDK_NVME_TCP_DIGEST_LEN);
149 
150 	/* Add a new data_iov entry, update pdu iov count and data length */
151 	pdu.data_iov[2].iov_base = (void *)(0xBAADF00D);
152 	pdu.data_iov[2].iov_len = 123;
153 	pdu.data_iovcnt = 3;
154 	pdu.data_len += 123;
155 	pdu.hdr.common.plen += 123;
156 
157 	rc = nvme_tcp_build_iovs(iovs, 5, &pdu, true, true, &mapped_length);
158 	CU_ASSERT(rc == 5);
159 	CU_ASSERT(iovs[0].iov_base == (void *)&pdu.hdr.raw);
160 	CU_ASSERT(iovs[0].iov_len == sizeof(struct spdk_nvme_tcp_cmd) + SPDK_NVME_TCP_DIGEST_LEN);
161 	CU_ASSERT(iovs[1].iov_base == (void *)0xDEADBEEF);
162 	CU_ASSERT(iovs[1].iov_len == pdu_iov_len);
163 	CU_ASSERT(iovs[2].iov_base == (void *)(0xDEADBEEF + pdu_iov_len));
164 	CU_ASSERT(iovs[2].iov_len == pdu_iov_len);
165 	CU_ASSERT(iovs[3].iov_base == (void *)(0xBAADF00D));
166 	CU_ASSERT(iovs[3].iov_len == 123);
167 	CU_ASSERT(iovs[4].iov_base == (void *)pdu.data_digest);
168 	CU_ASSERT(iovs[4].iov_len == SPDK_NVME_TCP_DIGEST_LEN);
169 	CU_ASSERT(mapped_length == sizeof(struct spdk_nvme_tcp_cmd) + SPDK_NVME_TCP_DIGEST_LEN +
170 		  pdu_iov_len * 2 + SPDK_NVME_TCP_DIGEST_LEN + 123);
171 }
172 
173 struct nvme_tcp_ut_bdev_io {
174 	struct iovec iovs[NVME_TCP_MAX_SGL_DESCRIPTORS];
175 	int iovpos;
176 };
177 
178 /* essentially a simplification of bdev_nvme_next_sge and bdev_nvme_reset_sgl */
179 static void
180 nvme_tcp_ut_reset_sgl(void *cb_arg, uint32_t offset)
181 {
182 	struct nvme_tcp_ut_bdev_io *bio = cb_arg;
183 	struct iovec *iov;
184 
185 	for (bio->iovpos = 0; bio->iovpos < NVME_TCP_MAX_SGL_DESCRIPTORS; bio->iovpos++) {
186 		iov = &bio->iovs[bio->iovpos];
187 		/* Offset must be aligned with the start of any SGL entry */
188 		if (offset == 0) {
189 			break;
190 		}
191 
192 		SPDK_CU_ASSERT_FATAL(offset >= iov->iov_len);
193 		offset -= iov->iov_len;
194 	}
195 
196 	SPDK_CU_ASSERT_FATAL(offset == 0);
197 	SPDK_CU_ASSERT_FATAL(bio->iovpos < NVME_TCP_MAX_SGL_DESCRIPTORS);
198 }
199 
200 static int
201 nvme_tcp_ut_next_sge(void *cb_arg, void **address, uint32_t *length)
202 {
203 	struct nvme_tcp_ut_bdev_io *bio = cb_arg;
204 	struct iovec *iov;
205 
206 	SPDK_CU_ASSERT_FATAL(bio->iovpos < NVME_TCP_MAX_SGL_DESCRIPTORS);
207 
208 	iov = &bio->iovs[bio->iovpos];
209 
210 	*address = iov->iov_base;
211 	*length = iov->iov_len;
212 	bio->iovpos++;
213 
214 	return 0;
215 }
216 
217 static void
218 test_nvme_tcp_build_sgl_request(void)
219 {
220 	struct nvme_tcp_qpair tqpair;
221 	struct spdk_nvme_ctrlr ctrlr = {0};
222 	struct nvme_tcp_req tcp_req = {0};
223 	struct nvme_request req = {{0}};
224 	struct nvme_tcp_ut_bdev_io bio;
225 	uint64_t i;
226 	int rc;
227 
228 	ctrlr.max_sges = NVME_TCP_MAX_SGL_DESCRIPTORS;
229 	tqpair.qpair.ctrlr = &ctrlr;
230 	tcp_req.req = &req;
231 
232 	req.payload.reset_sgl_fn = nvme_tcp_ut_reset_sgl;
233 	req.payload.next_sge_fn = nvme_tcp_ut_next_sge;
234 	req.payload.contig_or_cb_arg = &bio;
235 	req.qpair = &tqpair.qpair;
236 
237 	for (i = 0; i < NVME_TCP_MAX_SGL_DESCRIPTORS; i++) {
238 		bio.iovs[i].iov_base = (void *)(0xFEEDB000 + i * 0x1000);
239 		bio.iovs[i].iov_len = 0;
240 	}
241 
242 	/* Test case 1: Single SGL. Expected: PASS */
243 	bio.iovpos = 0;
244 	req.payload_offset = 0;
245 	req.payload_size = 0x1000;
246 	bio.iovs[0].iov_len = 0x1000;
247 	rc = nvme_tcp_build_sgl_request(&tqpair, &tcp_req);
248 	SPDK_CU_ASSERT_FATAL(rc == 0);
249 	CU_ASSERT(bio.iovpos == 1);
250 	CU_ASSERT((uint64_t)tcp_req.iov[0].iov_base == (uint64_t)bio.iovs[0].iov_base);
251 	CU_ASSERT(tcp_req.iov[0].iov_len == bio.iovs[0].iov_len);
252 	CU_ASSERT(tcp_req.iovcnt == 1);
253 
254 	/* Test case 2: Multiple SGL. Expected: PASS */
255 	bio.iovpos = 0;
256 	req.payload_offset = 0;
257 	req.payload_size = 0x4000;
258 	for (i = 0; i < 4; i++) {
259 		bio.iovs[i].iov_len = 0x1000;
260 	}
261 	rc = nvme_tcp_build_sgl_request(&tqpair, &tcp_req);
262 	SPDK_CU_ASSERT_FATAL(rc == 0);
263 	CU_ASSERT(bio.iovpos == 4);
264 	CU_ASSERT(tcp_req.iovcnt == 4);
265 	for (i = 0; i < 4; i++) {
266 		CU_ASSERT(tcp_req.iov[i].iov_len == bio.iovs[i].iov_len);
267 		CU_ASSERT((uint64_t)tcp_req.iov[i].iov_base == (uint64_t)bio.iovs[i].iov_base);
268 	}
269 
270 	/* Test case 3: Payload is bigger than SGL. Expected: FAIL */
271 	bio.iovpos = 0;
272 	req.payload_offset = 0;
273 	req.payload_size = 0x17000;
274 	for (i = 0; i < NVME_TCP_MAX_SGL_DESCRIPTORS; i++) {
275 		bio.iovs[i].iov_len = 0x1000;
276 	}
277 	rc = nvme_tcp_build_sgl_request(&tqpair, &tcp_req);
278 	SPDK_CU_ASSERT_FATAL(rc != 0);
279 	CU_ASSERT(bio.iovpos == NVME_TCP_MAX_SGL_DESCRIPTORS);
280 	for (i = 0; i < NVME_TCP_MAX_SGL_DESCRIPTORS; i++) {
281 		CU_ASSERT(tcp_req.iov[i].iov_len == bio.iovs[i].iov_len);
282 		CU_ASSERT((uint64_t)tcp_req.iov[i].iov_base == (uint64_t)bio.iovs[i].iov_base);
283 	}
284 }
285 
286 static void
287 test_nvme_tcp_pdu_set_data_buf_with_md(void)
288 {
289 	struct nvme_tcp_pdu pdu = {};
290 	struct iovec iovs[7] = {};
291 	struct spdk_dif_ctx dif_ctx = {};
292 	int rc;
293 
294 	pdu.dif_ctx = &dif_ctx;
295 
296 	rc = spdk_dif_ctx_init(&dif_ctx, 520, 8, true, false, SPDK_DIF_DISABLE, 0,
297 			       0, 0, 0, 0, 0);
298 	CU_ASSERT(rc == 0);
299 
300 	/* Single iovec case */
301 	iovs[0].iov_base = (void *)0xDEADBEEF;
302 	iovs[0].iov_len = 2080;
303 
304 	nvme_tcp_pdu_set_data_buf(&pdu, iovs, 1, 0, 500);
305 
306 	CU_ASSERT(dif_ctx.data_offset == 0);
307 	CU_ASSERT(pdu.data_len == 500);
308 	CU_ASSERT(pdu.data_iovcnt == 1);
309 	CU_ASSERT(pdu.data_iov[0].iov_base == (void *)0xDEADBEEF);
310 	CU_ASSERT(pdu.data_iov[0].iov_len == 500);
311 
312 	nvme_tcp_pdu_set_data_buf(&pdu, iovs, 1, 500, 1000);
313 
314 	CU_ASSERT(dif_ctx.data_offset == 500);
315 	CU_ASSERT(pdu.data_len == 1000);
316 	CU_ASSERT(pdu.data_iovcnt == 1);
317 	CU_ASSERT(pdu.data_iov[0].iov_base == (void *)(0xDEADBEEF + 500));
318 	CU_ASSERT(pdu.data_iov[0].iov_len == 1016);
319 
320 	nvme_tcp_pdu_set_data_buf(&pdu, iovs, 1, 1500, 548);
321 
322 	CU_ASSERT(dif_ctx.data_offset == 1500);
323 	CU_ASSERT(pdu.data_len == 548);
324 	CU_ASSERT(pdu.data_iovcnt == 1);
325 	CU_ASSERT(pdu.data_iov[0].iov_base == (void *)(0xDEADBEEF + 1516));
326 	CU_ASSERT(pdu.data_iov[0].iov_len == 564);
327 
328 	/* Multiple iovecs case */
329 	iovs[0].iov_base = (void *)0xDEADBEEF;
330 	iovs[0].iov_len = 256;
331 	iovs[1].iov_base = (void *)((uint8_t *)(0xDEADBEEF + 0x1000));
332 	iovs[1].iov_len = 256 + 1;
333 	iovs[2].iov_base = (void *)((uint8_t *)(0xDEADBEEF + 0x2000));
334 	iovs[2].iov_len = 4;
335 	iovs[3].iov_base = (void *)((uint8_t *)(0xDEADBEEF + 0x3000));
336 	iovs[3].iov_len = 3 + 123;
337 	iovs[4].iov_base = (void *)((uint8_t *)(0xDEADBEEF + 0x4000));
338 	iovs[4].iov_len = 389 + 6;
339 	iovs[5].iov_base = (void *)((uint8_t *)(0xDEADBEEF + 0x5000));
340 	iovs[5].iov_len = 2 + 512 + 8 + 432;
341 	iovs[6].iov_base = (void *)((uint8_t *)(0xDEADBEEF + 0x6000));
342 	iovs[6].iov_len = 80 + 8;
343 
344 	nvme_tcp_pdu_set_data_buf(&pdu, iovs, 7, 0, 500);
345 
346 	CU_ASSERT(dif_ctx.data_offset == 0);
347 	CU_ASSERT(pdu.data_len == 500);
348 	CU_ASSERT(pdu.data_iovcnt == 2);
349 	CU_ASSERT(pdu.data_iov[0].iov_base == (void *)0xDEADBEEF);
350 	CU_ASSERT(pdu.data_iov[0].iov_len == 256);
351 	CU_ASSERT(pdu.data_iov[1].iov_base == (void *)(0xDEADBEEF + 0x1000));
352 	CU_ASSERT(pdu.data_iov[1].iov_len == 244);
353 
354 	nvme_tcp_pdu_set_data_buf(&pdu, iovs, 7, 500, 1000);
355 
356 	CU_ASSERT(dif_ctx.data_offset == 500);
357 	CU_ASSERT(pdu.data_len == 1000);
358 	CU_ASSERT(pdu.data_iovcnt == 5);
359 	CU_ASSERT(pdu.data_iov[0].iov_base == (void *)(0xDEADBEEF + 0x1000 + 244));
360 	CU_ASSERT(pdu.data_iov[0].iov_len == 13);
361 	CU_ASSERT(pdu.data_iov[1].iov_base == (void *)(0xDEADBEEF + 0x2000));
362 	CU_ASSERT(pdu.data_iov[1].iov_len == 4);
363 	CU_ASSERT(pdu.data_iov[2].iov_base == (void *)(0xDEADBEEF + 0x3000));
364 	CU_ASSERT(pdu.data_iov[2].iov_len == 3 + 123);
365 	CU_ASSERT(pdu.data_iov[3].iov_base == (void *)(0xDEADBEEF + 0x4000));
366 	CU_ASSERT(pdu.data_iov[3].iov_len == 395);
367 	CU_ASSERT(pdu.data_iov[4].iov_base == (void *)(0xDEADBEEF + 0x5000));
368 	CU_ASSERT(pdu.data_iov[4].iov_len == 478);
369 
370 	nvme_tcp_pdu_set_data_buf(&pdu, iovs, 7, 1500, 548);
371 
372 	CU_ASSERT(dif_ctx.data_offset == 1500);
373 	CU_ASSERT(pdu.data_len == 548);
374 	CU_ASSERT(pdu.data_iovcnt == 2);
375 	CU_ASSERT(pdu.data_iov[0].iov_base == (void *)(0xDEADBEEF + 0x5000 + 478));
376 	CU_ASSERT(pdu.data_iov[0].iov_len == 476);
377 	CU_ASSERT(pdu.data_iov[1].iov_base == (void *)(0xDEADBEEF + 0x6000));
378 	CU_ASSERT(pdu.data_iov[1].iov_len == 88);
379 }
380 
381 static void
382 test_nvme_tcp_build_iovs_with_md(void)
383 {
384 	struct nvme_tcp_pdu pdu = {};
385 	struct iovec iovs[11] = {};
386 	struct spdk_dif_ctx dif_ctx = {};
387 	uint32_t mapped_length = 0;
388 	int rc;
389 
390 	rc = spdk_dif_ctx_init(&dif_ctx, 520, 8, true, false, SPDK_DIF_DISABLE, 0,
391 			       0, 0, 0, 0, 0);
392 	CU_ASSERT(rc == 0);
393 
394 	pdu.dif_ctx = &dif_ctx;
395 
396 	pdu.hdr.common.pdu_type = SPDK_NVME_TCP_PDU_TYPE_CAPSULE_CMD;
397 	pdu.hdr.common.hlen = sizeof(struct spdk_nvme_tcp_cmd);
398 	pdu.hdr.common.plen = pdu.hdr.common.hlen + SPDK_NVME_TCP_DIGEST_LEN + 512 * 8 +
399 			      SPDK_NVME_TCP_DIGEST_LEN;
400 	pdu.data_len = 512 * 8;
401 	pdu.padding_len = 0;
402 
403 	pdu.data_iov[0].iov_base = (void *)0xDEADBEEF;
404 	pdu.data_iov[0].iov_len = (512 + 8) * 8;
405 	pdu.data_iovcnt = 1;
406 
407 	rc = nvme_tcp_build_iovs(iovs, 11, &pdu, true, true, &mapped_length);
408 	CU_ASSERT(rc == 10);
409 	CU_ASSERT(iovs[0].iov_base == (void *)&pdu.hdr.raw);
410 	CU_ASSERT(iovs[0].iov_len == sizeof(struct spdk_nvme_tcp_cmd) + SPDK_NVME_TCP_DIGEST_LEN);
411 	CU_ASSERT(iovs[1].iov_base == (void *)0xDEADBEEF);
412 	CU_ASSERT(iovs[1].iov_len == 512);
413 	CU_ASSERT(iovs[2].iov_base == (void *)(0xDEADBEEF + 520));
414 	CU_ASSERT(iovs[2].iov_len == 512);
415 	CU_ASSERT(iovs[3].iov_base == (void *)(0xDEADBEEF + 520 * 2));
416 	CU_ASSERT(iovs[3].iov_len == 512);
417 	CU_ASSERT(iovs[4].iov_base == (void *)(0xDEADBEEF + 520 * 3));
418 	CU_ASSERT(iovs[4].iov_len == 512);
419 	CU_ASSERT(iovs[5].iov_base == (void *)(0xDEADBEEF + 520 * 4));
420 	CU_ASSERT(iovs[5].iov_len == 512);
421 	CU_ASSERT(iovs[6].iov_base == (void *)(0xDEADBEEF + 520 * 5));
422 	CU_ASSERT(iovs[6].iov_len == 512);
423 	CU_ASSERT(iovs[7].iov_base == (void *)(0xDEADBEEF + 520 * 6));
424 	CU_ASSERT(iovs[7].iov_len == 512);
425 	CU_ASSERT(iovs[8].iov_base == (void *)(0xDEADBEEF + 520 * 7));
426 	CU_ASSERT(iovs[8].iov_len == 512);
427 	CU_ASSERT(iovs[9].iov_base == (void *)pdu.data_digest);
428 	CU_ASSERT(iovs[9].iov_len == SPDK_NVME_TCP_DIGEST_LEN);
429 	CU_ASSERT(mapped_length == sizeof(struct spdk_nvme_tcp_cmd) + SPDK_NVME_TCP_DIGEST_LEN +
430 		  512 * 8 + SPDK_NVME_TCP_DIGEST_LEN);
431 }
432 
433 int main(int argc, char **argv)
434 {
435 	CU_pSuite	suite = NULL;
436 	unsigned int	num_failures;
437 
438 	CU_set_error_action(CUEA_ABORT);
439 	CU_initialize_registry();
440 
441 	suite = CU_add_suite("nvme_tcp", NULL, NULL);
442 	CU_ADD_TEST(suite, test_nvme_tcp_pdu_set_data_buf);
443 	CU_ADD_TEST(suite, test_nvme_tcp_build_iovs);
444 	CU_ADD_TEST(suite, test_nvme_tcp_build_sgl_request);
445 	CU_ADD_TEST(suite, test_nvme_tcp_pdu_set_data_buf_with_md);
446 	CU_ADD_TEST(suite, test_nvme_tcp_build_iovs_with_md);
447 
448 	CU_basic_set_mode(CU_BRM_VERBOSE);
449 	CU_basic_run_tests();
450 	num_failures = CU_get_number_of_failures();
451 	CU_cleanup_registry();
452 	return num_failures;
453 }
454