1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2010-2014 Intel Corporation
11 #include <rte_random.h>
12 #include <rte_cycles.h>
13 #include <rte_memory.h>
14 #include <rte_memzone.h>
16 #include <rte_eal_memconfig.h>
17 #include <rte_common.h>
18 #include <rte_string_fns.h>
19 #include <rte_errno.h>
20 #include <rte_malloc.h>
21 #include "../../lib/librte_eal/common/malloc_elem.h"
29 * - Search for three reserved zones or reserve them if they do not exist:
31 * - One is on any socket id.
32 * - The second is on socket 0.
33 * - The last one is on socket 1 (if socket 1 exists).
35 * - Check that the zones exist.
37 * - Check that the zones are cache-aligned.
39 * - Check that zones do not overlap.
41 * - Check that the zones are on the correct socket id.
43 * - Check that a lookup of the first zone returns the same pointer.
45 * - Check that it is not possible to create another zone with the
46 * same name as an existing zone.
48 * - Check flags for specific huge page size reservation
51 #define TEST_MEMZONE_NAME(suffix) "MZ_TEST_" suffix
53 /* Test if memory overlaps: return 1 if true, or 0 if false. */
55 is_memory_overlap(rte_iova_t ptr1, size_t len1, rte_iova_t ptr2, size_t len2)
57 if (ptr2 >= ptr1 && (ptr2 - ptr1) < len1)
59 else if (ptr2 < ptr1 && (ptr1 - ptr2) < len2)
65 test_memzone_invalid_alignment(void)
67 const struct rte_memzone * mz;
69 mz = rte_memzone_lookup(TEST_MEMZONE_NAME("invalid_alignment"));
71 printf("Zone with invalid alignment has been reserved\n");
75 mz = rte_memzone_reserve_aligned(TEST_MEMZONE_NAME("invalid_alignment"),
76 100, SOCKET_ID_ANY, 0, 100);
78 printf("Zone with invalid alignment has been reserved\n");
85 test_memzone_reserving_zone_size_bigger_than_the_maximum(void)
87 const struct rte_memzone * mz;
89 mz = rte_memzone_lookup(
90 TEST_MEMZONE_NAME("zone_size_bigger_than_the_maximum"));
92 printf("zone_size_bigger_than_the_maximum has been reserved\n");
96 mz = rte_memzone_reserve(
97 TEST_MEMZONE_NAME("zone_size_bigger_than_the_maximum"),
98 (size_t)-1, SOCKET_ID_ANY, 0);
100 printf("It is impossible to reserve such big a memzone\n");
108 int hugepage_2MB_avail;
109 int hugepage_1GB_avail;
110 int hugepage_16MB_avail;
111 int hugepage_16GB_avail;
114 find_available_pagesz(const struct rte_memseg_list *msl, void *arg)
116 struct walk_arg *wa = arg;
118 if (msl->page_sz == RTE_PGSIZE_2M)
119 wa->hugepage_2MB_avail = 1;
120 if (msl->page_sz == RTE_PGSIZE_1G)
121 wa->hugepage_1GB_avail = 1;
122 if (msl->page_sz == RTE_PGSIZE_16M)
123 wa->hugepage_16MB_avail = 1;
124 if (msl->page_sz == RTE_PGSIZE_16G)
125 wa->hugepage_16GB_avail = 1;
131 test_memzone_reserve_flags(void)
133 const struct rte_memzone *mz;
135 int hugepage_2MB_avail, hugepage_1GB_avail;
136 int hugepage_16MB_avail, hugepage_16GB_avail;
137 const size_t size = 100;
139 memset(&wa, 0, sizeof(wa));
141 rte_memseg_list_walk(find_available_pagesz, &wa);
143 hugepage_2MB_avail = wa.hugepage_2MB_avail;
144 hugepage_1GB_avail = wa.hugepage_1GB_avail;
145 hugepage_16MB_avail = wa.hugepage_16MB_avail;
146 hugepage_16GB_avail = wa.hugepage_16GB_avail;
148 /* Display the availability of 2MB ,1GB, 16MB, 16GB pages */
149 if (hugepage_2MB_avail)
150 printf("2MB Huge pages available\n");
151 if (hugepage_1GB_avail)
152 printf("1GB Huge pages available\n");
153 if (hugepage_16MB_avail)
154 printf("16MB Huge pages available\n");
155 if (hugepage_16GB_avail)
156 printf("16GB Huge pages available\n");
158 * If 2MB pages available, check that a small memzone is correctly
159 * reserved from 2MB huge pages when requested by the RTE_MEMZONE_2MB flag.
160 * Also check that RTE_MEMZONE_SIZE_HINT_ONLY flag only defaults to an
161 * available page size (i.e 1GB ) when 2MB pages are unavailable.
163 if (hugepage_2MB_avail) {
164 mz = rte_memzone_reserve(TEST_MEMZONE_NAME("flag_zone_2M"),
165 size, SOCKET_ID_ANY, RTE_MEMZONE_2MB);
167 printf("MEMZONE FLAG 2MB\n");
170 if (mz->hugepage_sz != RTE_PGSIZE_2M) {
171 printf("hugepage_sz not equal 2M\n");
174 if (rte_memzone_free(mz)) {
175 printf("Fail memzone free\n");
179 mz = rte_memzone_reserve(TEST_MEMZONE_NAME("flag_zone_2M_HINT"),
181 RTE_MEMZONE_2MB|RTE_MEMZONE_SIZE_HINT_ONLY);
183 printf("MEMZONE FLAG 2MB\n");
186 if (mz->hugepage_sz != RTE_PGSIZE_2M) {
187 printf("hugepage_sz not equal 2M\n");
190 if (rte_memzone_free(mz)) {
191 printf("Fail memzone free\n");
195 /* Check if 1GB huge pages are unavailable, that function fails unless
196 * HINT flag is indicated
198 if (!hugepage_1GB_avail) {
199 mz = rte_memzone_reserve(
200 TEST_MEMZONE_NAME("flag_zone_1G_HINT"),
202 RTE_MEMZONE_1GB|RTE_MEMZONE_SIZE_HINT_ONLY);
204 printf("MEMZONE FLAG 1GB & HINT\n");
207 if (mz->hugepage_sz != RTE_PGSIZE_2M) {
208 printf("hugepage_sz not equal 2M\n");
211 if (rte_memzone_free(mz)) {
212 printf("Fail memzone free\n");
216 mz = rte_memzone_reserve(
217 TEST_MEMZONE_NAME("flag_zone_1G"), size,
218 SOCKET_ID_ANY, RTE_MEMZONE_1GB);
220 printf("MEMZONE FLAG 1GB\n");
226 /*As with 2MB tests above for 1GB huge page requests*/
227 if (hugepage_1GB_avail) {
228 mz = rte_memzone_reserve(TEST_MEMZONE_NAME("flag_zone_1G"),
229 size, SOCKET_ID_ANY, RTE_MEMZONE_1GB);
231 printf("MEMZONE FLAG 1GB\n");
234 if (mz->hugepage_sz != RTE_PGSIZE_1G) {
235 printf("hugepage_sz not equal 1G\n");
238 if (rte_memzone_free(mz)) {
239 printf("Fail memzone free\n");
243 mz = rte_memzone_reserve(TEST_MEMZONE_NAME("flag_zone_1G_HINT"),
245 RTE_MEMZONE_1GB|RTE_MEMZONE_SIZE_HINT_ONLY);
247 printf("MEMZONE FLAG 1GB\n");
250 if (mz->hugepage_sz != RTE_PGSIZE_1G) {
251 printf("hugepage_sz not equal 1G\n");
254 if (rte_memzone_free(mz)) {
255 printf("Fail memzone free\n");
259 /* Check if 1GB huge pages are unavailable, that function fails unless
260 * HINT flag is indicated
262 if (!hugepage_2MB_avail) {
263 mz = rte_memzone_reserve(
264 TEST_MEMZONE_NAME("flag_zone_2M_HINT"),
266 RTE_MEMZONE_2MB|RTE_MEMZONE_SIZE_HINT_ONLY);
268 printf("MEMZONE FLAG 2MB & HINT\n");
271 if (mz->hugepage_sz != RTE_PGSIZE_1G) {
272 printf("hugepage_sz not equal 1G\n");
275 if (rte_memzone_free(mz)) {
276 printf("Fail memzone free\n");
279 mz = rte_memzone_reserve(
280 TEST_MEMZONE_NAME("flag_zone_2M"), size,
281 SOCKET_ID_ANY, RTE_MEMZONE_2MB);
283 printf("MEMZONE FLAG 2MB\n");
288 if (hugepage_2MB_avail && hugepage_1GB_avail) {
289 mz = rte_memzone_reserve(
290 TEST_MEMZONE_NAME("flag_zone_2M_HINT"),
292 RTE_MEMZONE_2MB|RTE_MEMZONE_1GB);
294 printf("BOTH SIZES SET\n");
297 if (mz->hugepage_sz != RTE_PGSIZE_1G &&
298 mz->hugepage_sz != RTE_PGSIZE_2M) {
299 printf("Wrong size when both sizes set\n");
302 if (rte_memzone_free(mz)) {
303 printf("Fail memzone free\n");
309 * This option is for IBM Power. If 16MB pages available, check
310 * that a small memzone is correctly reserved from 16MB huge pages
311 * when requested by the RTE_MEMZONE_16MB flag. Also check that
312 * RTE_MEMZONE_SIZE_HINT_ONLY flag only defaults to an available
313 * page size (i.e 16GB ) when 16MB pages are unavailable.
315 if (hugepage_16MB_avail) {
316 mz = rte_memzone_reserve(TEST_MEMZONE_NAME("flag_zone_16M"),
317 size, SOCKET_ID_ANY, RTE_MEMZONE_16MB);
319 printf("MEMZONE FLAG 16MB\n");
322 if (mz->hugepage_sz != RTE_PGSIZE_16M) {
323 printf("hugepage_sz not equal 16M\n");
326 if (rte_memzone_free(mz)) {
327 printf("Fail memzone free\n");
331 mz = rte_memzone_reserve(
332 TEST_MEMZONE_NAME("flag_zone_16M_HINT"), size,
334 RTE_MEMZONE_16MB|RTE_MEMZONE_SIZE_HINT_ONLY);
336 printf("MEMZONE FLAG 16MB\n");
339 if (mz->hugepage_sz != RTE_PGSIZE_16M) {
340 printf("hugepage_sz not equal 16M\n");
343 if (rte_memzone_free(mz)) {
344 printf("Fail memzone free\n");
348 /* Check if 1GB huge pages are unavailable, that function fails
349 * unless HINT flag is indicated
351 if (!hugepage_16GB_avail) {
352 mz = rte_memzone_reserve(
353 TEST_MEMZONE_NAME("flag_zone_16G_HINT"),
356 RTE_MEMZONE_SIZE_HINT_ONLY);
358 printf("MEMZONE FLAG 16GB & HINT\n");
361 if (mz->hugepage_sz != RTE_PGSIZE_16M) {
362 printf("hugepage_sz not equal 16M\n");
365 if (rte_memzone_free(mz)) {
366 printf("Fail memzone free\n");
370 mz = rte_memzone_reserve(
371 TEST_MEMZONE_NAME("flag_zone_16G"),
373 SOCKET_ID_ANY, RTE_MEMZONE_16GB);
375 printf("MEMZONE FLAG 16GB\n");
380 /*As with 16MB tests above for 16GB huge page requests*/
381 if (hugepage_16GB_avail) {
382 mz = rte_memzone_reserve(TEST_MEMZONE_NAME("flag_zone_16G"),
383 size, SOCKET_ID_ANY, RTE_MEMZONE_16GB);
385 printf("MEMZONE FLAG 16GB\n");
388 if (mz->hugepage_sz != RTE_PGSIZE_16G) {
389 printf("hugepage_sz not equal 16G\n");
392 if (rte_memzone_free(mz)) {
393 printf("Fail memzone free\n");
397 mz = rte_memzone_reserve(
398 TEST_MEMZONE_NAME("flag_zone_16G_HINT"), size,
400 RTE_MEMZONE_16GB|RTE_MEMZONE_SIZE_HINT_ONLY);
402 printf("MEMZONE FLAG 16GB\n");
405 if (mz->hugepage_sz != RTE_PGSIZE_16G) {
406 printf("hugepage_sz not equal 16G\n");
409 if (rte_memzone_free(mz)) {
410 printf("Fail memzone free\n");
414 /* Check if 1GB huge pages are unavailable, that function fails
415 * unless HINT flag is indicated
417 if (!hugepage_16MB_avail) {
418 mz = rte_memzone_reserve(
419 TEST_MEMZONE_NAME("flag_zone_16M_HINT"),
422 RTE_MEMZONE_SIZE_HINT_ONLY);
424 printf("MEMZONE FLAG 16MB & HINT\n");
427 if (mz->hugepage_sz != RTE_PGSIZE_16G) {
428 printf("hugepage_sz not equal 16G\n");
431 if (rte_memzone_free(mz)) {
432 printf("Fail memzone free\n");
435 mz = rte_memzone_reserve(
436 TEST_MEMZONE_NAME("flag_zone_16M"),
437 size, SOCKET_ID_ANY, RTE_MEMZONE_16MB);
439 printf("MEMZONE FLAG 16MB\n");
444 if (hugepage_16MB_avail && hugepage_16GB_avail) {
445 mz = rte_memzone_reserve(
446 TEST_MEMZONE_NAME("flag_zone_16M_HINT"),
448 RTE_MEMZONE_16MB|RTE_MEMZONE_16GB);
450 printf("BOTH SIZES SET\n");
453 if (mz->hugepage_sz != RTE_PGSIZE_16G &&
454 mz->hugepage_sz != RTE_PGSIZE_16M) {
455 printf("Wrong size when both sizes set\n");
458 if (rte_memzone_free(mz)) {
459 printf("Fail memzone free\n");
468 /* Find the heap with the greatest free block size */
470 find_max_block_free_size(const unsigned _align)
472 struct rte_malloc_socket_stats stats;
473 unsigned i, align = _align;
476 for (i = 0; i < RTE_MAX_NUMA_NODES; i++) {
477 rte_malloc_get_socket_stats(i, &stats);
478 if (stats.greatest_free_size > len)
479 len = stats.greatest_free_size;
482 if (align < RTE_CACHE_LINE_SIZE)
483 align = RTE_CACHE_LINE_ROUNDUP(align+1);
485 if (len <= MALLOC_ELEM_OVERHEAD + align)
488 return len - MALLOC_ELEM_OVERHEAD - align;
492 test_memzone_reserve_max(void)
494 const struct rte_memzone *mz;
497 maxlen = find_max_block_free_size(0);
500 printf("There is no space left!\n");
504 mz = rte_memzone_reserve(TEST_MEMZONE_NAME("max_zone"), 0,
507 printf("Failed to reserve a big chunk of memory - %s\n",
508 rte_strerror(rte_errno));
509 rte_dump_physmem_layout(stdout);
510 rte_memzone_dump(stdout);
514 if (mz->len != maxlen) {
515 printf("Memzone reserve with 0 size did not return bigest block\n");
516 printf("Expected size = %zu, actual size = %zu\n", maxlen, mz->len);
517 rte_dump_physmem_layout(stdout);
518 rte_memzone_dump(stdout);
522 if (rte_memzone_free(mz)) {
523 printf("Fail memzone free\n");
531 test_memzone_reserve_max_aligned(void)
533 const struct rte_memzone *mz;
536 /* random alignment */
537 rte_srand((unsigned)rte_rdtsc());
538 const unsigned align = 1 << ((rte_rand() % 8) + 5); /* from 128 up to 4k alignment */
540 maxlen = find_max_block_free_size(align);
543 printf("There is no space left for biggest %u-aligned memzone!\n", align);
547 mz = rte_memzone_reserve_aligned(TEST_MEMZONE_NAME("max_zone_aligned"),
548 0, SOCKET_ID_ANY, 0, align);
550 printf("Failed to reserve a big chunk of memory - %s\n",
551 rte_strerror(rte_errno));
552 rte_dump_physmem_layout(stdout);
553 rte_memzone_dump(stdout);
557 if (mz->len != maxlen) {
558 printf("Memzone reserve with 0 size and alignment %u did not return"
559 " bigest block\n", align);
560 printf("Expected size = %zu, actual size = %zu\n",
562 rte_dump_physmem_layout(stdout);
563 rte_memzone_dump(stdout);
567 if (rte_memzone_free(mz)) {
568 printf("Fail memzone free\n");
576 test_memzone_aligned(void)
578 const struct rte_memzone *memzone_aligned_32;
579 const struct rte_memzone *memzone_aligned_128;
580 const struct rte_memzone *memzone_aligned_256;
581 const struct rte_memzone *memzone_aligned_512;
582 const struct rte_memzone *memzone_aligned_1024;
584 /* memzone that should automatically be adjusted to align on 64 bytes */
585 memzone_aligned_32 = rte_memzone_reserve_aligned(
586 TEST_MEMZONE_NAME("aligned_32"), 100, SOCKET_ID_ANY, 0,
589 /* memzone that is supposed to be aligned on a 128 byte boundary */
590 memzone_aligned_128 = rte_memzone_reserve_aligned(
591 TEST_MEMZONE_NAME("aligned_128"), 100, SOCKET_ID_ANY, 0,
594 /* memzone that is supposed to be aligned on a 256 byte boundary */
595 memzone_aligned_256 = rte_memzone_reserve_aligned(
596 TEST_MEMZONE_NAME("aligned_256"), 100, SOCKET_ID_ANY, 0,
599 /* memzone that is supposed to be aligned on a 512 byte boundary */
600 memzone_aligned_512 = rte_memzone_reserve_aligned(
601 TEST_MEMZONE_NAME("aligned_512"), 100, SOCKET_ID_ANY, 0,
604 /* memzone that is supposed to be aligned on a 1024 byte boundary */
605 memzone_aligned_1024 = rte_memzone_reserve_aligned(
606 TEST_MEMZONE_NAME("aligned_1024"), 100, SOCKET_ID_ANY,
609 printf("check alignments and lengths\n");
610 if (memzone_aligned_32 == NULL) {
611 printf("Unable to reserve 64-byte aligned memzone!\n");
614 if ((memzone_aligned_32->iova & RTE_CACHE_LINE_MASK) != 0)
616 if (((uintptr_t) memzone_aligned_32->addr & RTE_CACHE_LINE_MASK) != 0)
618 if ((memzone_aligned_32->len & RTE_CACHE_LINE_MASK) != 0)
621 if (memzone_aligned_128 == NULL) {
622 printf("Unable to reserve 128-byte aligned memzone!\n");
625 if ((memzone_aligned_128->iova & 127) != 0)
627 if (((uintptr_t) memzone_aligned_128->addr & 127) != 0)
629 if ((memzone_aligned_128->len & RTE_CACHE_LINE_MASK) != 0)
632 if (memzone_aligned_256 == NULL) {
633 printf("Unable to reserve 256-byte aligned memzone!\n");
636 if ((memzone_aligned_256->iova & 255) != 0)
638 if (((uintptr_t) memzone_aligned_256->addr & 255) != 0)
640 if ((memzone_aligned_256->len & RTE_CACHE_LINE_MASK) != 0)
643 if (memzone_aligned_512 == NULL) {
644 printf("Unable to reserve 512-byte aligned memzone!\n");
647 if ((memzone_aligned_512->iova & 511) != 0)
649 if (((uintptr_t) memzone_aligned_512->addr & 511) != 0)
651 if ((memzone_aligned_512->len & RTE_CACHE_LINE_MASK) != 0)
654 if (memzone_aligned_1024 == NULL) {
655 printf("Unable to reserve 1024-byte aligned memzone!\n");
658 if ((memzone_aligned_1024->iova & 1023) != 0)
660 if (((uintptr_t) memzone_aligned_1024->addr & 1023) != 0)
662 if ((memzone_aligned_1024->len & RTE_CACHE_LINE_MASK) != 0)
665 /* check that zones don't overlap */
666 printf("check overlapping\n");
667 if (is_memory_overlap(memzone_aligned_32->iova, memzone_aligned_32->len,
668 memzone_aligned_128->iova, memzone_aligned_128->len))
670 if (is_memory_overlap(memzone_aligned_32->iova, memzone_aligned_32->len,
671 memzone_aligned_256->iova, memzone_aligned_256->len))
673 if (is_memory_overlap(memzone_aligned_32->iova, memzone_aligned_32->len,
674 memzone_aligned_512->iova, memzone_aligned_512->len))
676 if (is_memory_overlap(memzone_aligned_32->iova, memzone_aligned_32->len,
677 memzone_aligned_1024->iova, memzone_aligned_1024->len))
679 if (is_memory_overlap(memzone_aligned_128->iova, memzone_aligned_128->len,
680 memzone_aligned_256->iova, memzone_aligned_256->len))
682 if (is_memory_overlap(memzone_aligned_128->iova, memzone_aligned_128->len,
683 memzone_aligned_512->iova, memzone_aligned_512->len))
685 if (is_memory_overlap(memzone_aligned_128->iova, memzone_aligned_128->len,
686 memzone_aligned_1024->iova, memzone_aligned_1024->len))
688 if (is_memory_overlap(memzone_aligned_256->iova, memzone_aligned_256->len,
689 memzone_aligned_512->iova, memzone_aligned_512->len))
691 if (is_memory_overlap(memzone_aligned_256->iova, memzone_aligned_256->len,
692 memzone_aligned_1024->iova, memzone_aligned_1024->len))
694 if (is_memory_overlap(memzone_aligned_512->iova, memzone_aligned_512->len,
695 memzone_aligned_1024->iova, memzone_aligned_1024->len))
698 /* free all used zones */
699 if (rte_memzone_free(memzone_aligned_32)) {
700 printf("Fail memzone free\n");
703 if (rte_memzone_free(memzone_aligned_128)) {
704 printf("Fail memzone free\n");
707 if (rte_memzone_free(memzone_aligned_256)) {
708 printf("Fail memzone free\n");
711 if (rte_memzone_free(memzone_aligned_512)) {
712 printf("Fail memzone free\n");
715 if (rte_memzone_free(memzone_aligned_1024)) {
716 printf("Fail memzone free\n");
723 check_memzone_bounded(const char *name, uint32_t len, uint32_t align,
726 const struct rte_memzone *mz;
729 bmask = ~((rte_iova_t)bound - 1);
731 if ((mz = rte_memzone_reserve_bounded(name, len, SOCKET_ID_ANY, 0,
732 align, bound)) == NULL) {
733 printf("%s(%s): memzone creation failed\n",
738 if ((mz->iova & ((rte_iova_t)align - 1)) != 0) {
739 printf("%s(%s): invalid phys addr alignment\n",
744 if (((uintptr_t) mz->addr & ((uintptr_t)align - 1)) != 0) {
745 printf("%s(%s): invalid virtual addr alignment\n",
750 if ((mz->len & RTE_CACHE_LINE_MASK) != 0 || mz->len < len ||
751 mz->len < RTE_CACHE_LINE_SIZE) {
752 printf("%s(%s): invalid length\n",
757 if ((mz->iova & bmask) !=
758 ((mz->iova + mz->len - 1) & bmask)) {
759 printf("%s(%s): invalid memzone boundary %u crossed\n",
760 __func__, mz->name, bound);
764 if (rte_memzone_free(mz)) {
765 printf("Fail memzone free\n");
773 test_memzone_bounded(void)
775 const struct rte_memzone *memzone_err;
778 /* should fail as boundary is not power of two */
779 memzone_err = rte_memzone_reserve_bounded(
780 TEST_MEMZONE_NAME("bounded_error_31"), 100,
781 SOCKET_ID_ANY, 0, 32, UINT32_MAX);
782 if (memzone_err != NULL) {
783 printf("%s(%s)created a memzone with invalid boundary "
784 "conditions\n", __func__, memzone_err->name);
788 /* should fail as len is greater then boundary */
789 memzone_err = rte_memzone_reserve_bounded(
790 TEST_MEMZONE_NAME("bounded_error_32"), 100,
791 SOCKET_ID_ANY, 0, 32, 32);
792 if (memzone_err != NULL) {
793 printf("%s(%s)created a memzone with invalid boundary "
794 "conditions\n", __func__, memzone_err->name);
798 rc = check_memzone_bounded(TEST_MEMZONE_NAME("bounded_128"), 100, 128,
803 rc = check_memzone_bounded(TEST_MEMZONE_NAME("bounded_256"), 100, 256,
808 rc = check_memzone_bounded(TEST_MEMZONE_NAME("bounded_1K"), 100, 64,
813 rc = check_memzone_bounded(TEST_MEMZONE_NAME("bounded_1K_MAX"), 0, 64,
822 test_memzone_free(void)
824 const struct rte_memzone *mz[RTE_MAX_MEMZONE + 1];
828 mz[0] = rte_memzone_reserve(TEST_MEMZONE_NAME("tempzone0"), 2000,
830 mz[1] = rte_memzone_reserve(TEST_MEMZONE_NAME("tempzone1"), 4000,
835 if (!rte_memzone_lookup(TEST_MEMZONE_NAME("tempzone0")))
837 if (!rte_memzone_lookup(TEST_MEMZONE_NAME("tempzone1")))
840 if (rte_memzone_free(mz[0])) {
841 printf("Fail memzone free - tempzone0\n");
844 if (rte_memzone_lookup(TEST_MEMZONE_NAME("tempzone0"))) {
845 printf("Found previously free memzone - tempzone0\n");
848 mz[2] = rte_memzone_reserve(TEST_MEMZONE_NAME("tempzone2"), 2000,
852 printf("tempzone2 should have gotten the free entry from tempzone0\n");
855 if (rte_memzone_free(mz[2])) {
856 printf("Fail memzone free - tempzone2\n");
859 if (rte_memzone_lookup(TEST_MEMZONE_NAME("tempzone2"))) {
860 printf("Found previously free memzone - tempzone2\n");
863 if (rte_memzone_free(mz[1])) {
864 printf("Fail memzone free - tempzone1\n");
867 if (rte_memzone_lookup(TEST_MEMZONE_NAME("tempzone1"))) {
868 printf("Found previously free memzone - tempzone1\n");
874 snprintf(name, sizeof(name), TEST_MEMZONE_NAME("tempzone%u"),
876 mz[i] = rte_memzone_reserve(name, 1, SOCKET_ID_ANY, 0);
877 } while (mz[i++] != NULL);
879 if (rte_memzone_free(mz[0])) {
880 printf("Fail memzone free - tempzone0\n");
883 mz[0] = rte_memzone_reserve(TEST_MEMZONE_NAME("tempzone0new"), 0,
887 printf("Fail to create memzone - tempzone0new - when MAX memzones were "
888 "created and one was free\n");
892 for (i = i - 2; i >= 0; i--) {
893 if (rte_memzone_free(mz[i])) {
894 printf("Fail memzone free - tempzone%d\n", i);
903 test_memzone_basic(void)
905 const struct rte_memzone *memzone1;
906 const struct rte_memzone *memzone2;
907 const struct rte_memzone *memzone3;
908 const struct rte_memzone *memzone4;
909 const struct rte_memzone *mz;
910 int memzone_cnt_after, memzone_cnt_expected;
911 int memzone_cnt_before =
912 rte_eal_get_configuration()->mem_config->memzones.count;
914 memzone1 = rte_memzone_reserve(TEST_MEMZONE_NAME("testzone1"), 100,
917 memzone2 = rte_memzone_reserve(TEST_MEMZONE_NAME("testzone2"), 1000,
920 memzone3 = rte_memzone_reserve(TEST_MEMZONE_NAME("testzone3"), 1000,
923 memzone4 = rte_memzone_reserve(TEST_MEMZONE_NAME("testzone4"), 1024,
926 /* memzone3 may be NULL if we don't have NUMA */
927 if (memzone1 == NULL || memzone2 == NULL || memzone4 == NULL)
930 /* check how many memzones we are expecting */
931 memzone_cnt_expected = memzone_cnt_before +
932 (memzone1 != NULL) + (memzone2 != NULL) +
933 (memzone3 != NULL) + (memzone4 != NULL);
936 rte_eal_get_configuration()->mem_config->memzones.count;
938 if (memzone_cnt_after != memzone_cnt_expected)
942 rte_memzone_dump(stdout);
944 /* check cache-line alignments */
945 printf("check alignments and lengths\n");
947 if ((memzone1->iova & RTE_CACHE_LINE_MASK) != 0)
949 if ((memzone2->iova & RTE_CACHE_LINE_MASK) != 0)
951 if (memzone3 != NULL && (memzone3->iova & RTE_CACHE_LINE_MASK) != 0)
953 if ((memzone1->len & RTE_CACHE_LINE_MASK) != 0 || memzone1->len == 0)
955 if ((memzone2->len & RTE_CACHE_LINE_MASK) != 0 || memzone2->len == 0)
957 if (memzone3 != NULL && ((memzone3->len & RTE_CACHE_LINE_MASK) != 0 ||
960 if (memzone4->len != 1024)
963 /* check that zones don't overlap */
964 printf("check overlapping\n");
966 if (is_memory_overlap(memzone1->iova, memzone1->len,
967 memzone2->iova, memzone2->len))
969 if (memzone3 != NULL &&
970 is_memory_overlap(memzone1->iova, memzone1->len,
971 memzone3->iova, memzone3->len))
973 if (memzone3 != NULL &&
974 is_memory_overlap(memzone2->iova, memzone2->len,
975 memzone3->iova, memzone3->len))
978 printf("check socket ID\n");
980 /* memzone2 must be on socket id 0 and memzone3 on socket 1 */
981 if (memzone2->socket_id != 0)
983 if (memzone3 != NULL && memzone3->socket_id != 1)
986 printf("test zone lookup\n");
987 mz = rte_memzone_lookup(TEST_MEMZONE_NAME("testzone1"));
991 printf("test duplcate zone name\n");
992 mz = rte_memzone_reserve(TEST_MEMZONE_NAME("testzone1"), 100,
997 if (rte_memzone_free(memzone1)) {
998 printf("Fail memzone free - memzone1\n");
1001 if (rte_memzone_free(memzone2)) {
1002 printf("Fail memzone free - memzone2\n");
1005 if (memzone3 && rte_memzone_free(memzone3)) {
1006 printf("Fail memzone free - memzone3\n");
1009 if (rte_memzone_free(memzone4)) {
1010 printf("Fail memzone free - memzone4\n");
1015 rte_eal_get_configuration()->mem_config->memzones.count;
1016 if (memzone_cnt_after != memzone_cnt_before)
1022 static int test_memzones_left;
1023 static int memzone_walk_cnt;
1024 static void memzone_walk_clb(const struct rte_memzone *mz,
1025 void *arg __rte_unused)
1028 if (!strncmp(TEST_MEMZONE_NAME(""), mz->name, RTE_MEMZONE_NAMESIZE))
1029 test_memzones_left++;
1035 /* take note of how many memzones were allocated before running */
1037 rte_eal_get_configuration()->mem_config->memzones.count;
1039 printf("test basic memzone API\n");
1040 if (test_memzone_basic() < 0)
1043 printf("test free memzone\n");
1044 if (test_memzone_free() < 0)
1047 printf("test reserving memzone with bigger size than the maximum\n");
1048 if (test_memzone_reserving_zone_size_bigger_than_the_maximum() < 0)
1051 printf("test memzone_reserve flags\n");
1052 if (test_memzone_reserve_flags() < 0)
1055 printf("test alignment for memzone_reserve\n");
1056 if (test_memzone_aligned() < 0)
1059 printf("test boundary alignment for memzone_reserve\n");
1060 if (test_memzone_bounded() < 0)
1063 printf("test invalid alignment for memzone_reserve\n");
1064 if (test_memzone_invalid_alignment() < 0)
1067 printf("test reserving the largest size memzone possible\n");
1068 if (test_memzone_reserve_max() < 0)
1071 printf("test reserving the largest size aligned memzone possible\n");
1072 if (test_memzone_reserve_max_aligned() < 0)
1075 printf("check memzone cleanup\n");
1076 memzone_walk_cnt = 0;
1077 test_memzones_left = 0;
1078 rte_memzone_walk(memzone_walk_clb, NULL);
1079 if (memzone_walk_cnt != memzone_cnt || test_memzones_left > 0) {
1080 printf("there are some memzones left after test\n");
1081 rte_memzone_dump(stdout);
1088 REGISTER_TEST_COMMAND(memzone_autotest, test_memzone);