1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2010-2014 Intel Corporation
10 #include <rte_random.h>
11 #include <rte_cycles.h>
12 #include <rte_memory.h>
13 #include <rte_memzone.h>
15 #include <rte_eal_memconfig.h>
16 #include <rte_common.h>
17 #include <rte_string_fns.h>
18 #include <rte_errno.h>
19 #include <rte_malloc.h>
20 #include "../../lib/librte_eal/common/malloc_elem.h"
28 * - Search for three reserved zones or reserve them if they do not exist:
30 * - One is on any socket id.
31 * - The second is on socket 0.
32 * - The last one is on socket 1 (if socket 1 exists).
34 * - Check that the zones exist.
36 * - Check that the zones are cache-aligned.
38 * - Check that zones do not overlap.
40 * - Check that the zones are on the correct socket id.
42 * - Check that a lookup of the first zone returns the same pointer.
44 * - Check that it is not possible to create another zone with the
45 * same name as an existing zone.
47 * - Check flags for specific huge page size reservation
50 /* Test if memory overlaps: return 1 if true, or 0 if false. */
52 is_memory_overlap(rte_iova_t ptr1, size_t len1, rte_iova_t ptr2, size_t len2)
54 if (ptr2 >= ptr1 && (ptr2 - ptr1) < len1)
56 else if (ptr2 < ptr1 && (ptr1 - ptr2) < len2)
62 test_memzone_invalid_alignment(void)
64 const struct rte_memzone * mz;
66 mz = rte_memzone_lookup("invalid_alignment");
68 printf("Zone with invalid alignment has been reserved\n");
72 mz = rte_memzone_reserve_aligned("invalid_alignment", 100,
73 SOCKET_ID_ANY, 0, 100);
75 printf("Zone with invalid alignment has been reserved\n");
82 test_memzone_reserving_zone_size_bigger_than_the_maximum(void)
84 const struct rte_memzone * mz;
86 mz = rte_memzone_lookup("zone_size_bigger_than_the_maximum");
88 printf("zone_size_bigger_than_the_maximum has been reserved\n");
92 mz = rte_memzone_reserve("zone_size_bigger_than_the_maximum", (size_t)-1,
95 printf("It is impossible to reserve such big a memzone\n");
103 test_memzone_reserve_flags(void)
105 const struct rte_memzone *mz;
106 const struct rte_memseg *ms;
107 int hugepage_2MB_avail = 0;
108 int hugepage_1GB_avail = 0;
109 int hugepage_16MB_avail = 0;
110 int hugepage_16GB_avail = 0;
111 const size_t size = 100;
113 ms = rte_eal_get_physmem_layout();
114 for (i = 0; i < RTE_MAX_MEMSEG; i++) {
115 if (ms[i].hugepage_sz == RTE_PGSIZE_2M)
116 hugepage_2MB_avail = 1;
117 if (ms[i].hugepage_sz == RTE_PGSIZE_1G)
118 hugepage_1GB_avail = 1;
119 if (ms[i].hugepage_sz == RTE_PGSIZE_16M)
120 hugepage_16MB_avail = 1;
121 if (ms[i].hugepage_sz == RTE_PGSIZE_16G)
122 hugepage_16GB_avail = 1;
124 /* Display the availability of 2MB ,1GB, 16MB, 16GB pages */
125 if (hugepage_2MB_avail)
126 printf("2MB Huge pages available\n");
127 if (hugepage_1GB_avail)
128 printf("1GB Huge pages available\n");
129 if (hugepage_16MB_avail)
130 printf("16MB Huge pages available\n");
131 if (hugepage_16GB_avail)
132 printf("16GB Huge pages available\n");
134 * If 2MB pages available, check that a small memzone is correctly
135 * reserved from 2MB huge pages when requested by the RTE_MEMZONE_2MB flag.
136 * Also check that RTE_MEMZONE_SIZE_HINT_ONLY flag only defaults to an
137 * available page size (i.e 1GB ) when 2MB pages are unavailable.
139 if (hugepage_2MB_avail) {
140 mz = rte_memzone_reserve("flag_zone_2M", size, SOCKET_ID_ANY,
143 printf("MEMZONE FLAG 2MB\n");
146 if (mz->hugepage_sz != RTE_PGSIZE_2M) {
147 printf("hugepage_sz not equal 2M\n");
150 if (rte_memzone_free(mz)) {
151 printf("Fail memzone free\n");
155 mz = rte_memzone_reserve("flag_zone_2M_HINT", size, SOCKET_ID_ANY,
156 RTE_MEMZONE_2MB|RTE_MEMZONE_SIZE_HINT_ONLY);
158 printf("MEMZONE FLAG 2MB\n");
161 if (mz->hugepage_sz != RTE_PGSIZE_2M) {
162 printf("hugepage_sz not equal 2M\n");
165 if (rte_memzone_free(mz)) {
166 printf("Fail memzone free\n");
170 /* Check if 1GB huge pages are unavailable, that function fails unless
171 * HINT flag is indicated
173 if (!hugepage_1GB_avail) {
174 mz = rte_memzone_reserve("flag_zone_1G_HINT", size, SOCKET_ID_ANY,
175 RTE_MEMZONE_1GB|RTE_MEMZONE_SIZE_HINT_ONLY);
177 printf("MEMZONE FLAG 1GB & HINT\n");
180 if (mz->hugepage_sz != RTE_PGSIZE_2M) {
181 printf("hugepage_sz not equal 2M\n");
184 if (rte_memzone_free(mz)) {
185 printf("Fail memzone free\n");
189 mz = rte_memzone_reserve("flag_zone_1G", size, SOCKET_ID_ANY,
192 printf("MEMZONE FLAG 1GB\n");
198 /*As with 2MB tests above for 1GB huge page requests*/
199 if (hugepage_1GB_avail) {
200 mz = rte_memzone_reserve("flag_zone_1G", size, SOCKET_ID_ANY,
203 printf("MEMZONE FLAG 1GB\n");
206 if (mz->hugepage_sz != RTE_PGSIZE_1G) {
207 printf("hugepage_sz not equal 1G\n");
210 if (rte_memzone_free(mz)) {
211 printf("Fail memzone free\n");
215 mz = rte_memzone_reserve("flag_zone_1G_HINT", size, SOCKET_ID_ANY,
216 RTE_MEMZONE_1GB|RTE_MEMZONE_SIZE_HINT_ONLY);
218 printf("MEMZONE FLAG 1GB\n");
221 if (mz->hugepage_sz != RTE_PGSIZE_1G) {
222 printf("hugepage_sz not equal 1G\n");
225 if (rte_memzone_free(mz)) {
226 printf("Fail memzone free\n");
230 /* Check if 1GB huge pages are unavailable, that function fails unless
231 * HINT flag is indicated
233 if (!hugepage_2MB_avail) {
234 mz = rte_memzone_reserve("flag_zone_2M_HINT", size, SOCKET_ID_ANY,
235 RTE_MEMZONE_2MB|RTE_MEMZONE_SIZE_HINT_ONLY);
237 printf("MEMZONE FLAG 2MB & HINT\n");
240 if (mz->hugepage_sz != RTE_PGSIZE_1G) {
241 printf("hugepage_sz not equal 1G\n");
244 if (rte_memzone_free(mz)) {
245 printf("Fail memzone free\n");
248 mz = rte_memzone_reserve("flag_zone_2M", size, SOCKET_ID_ANY,
251 printf("MEMZONE FLAG 2MB\n");
256 if (hugepage_2MB_avail && hugepage_1GB_avail) {
257 mz = rte_memzone_reserve("flag_zone_2M_HINT", size, SOCKET_ID_ANY,
258 RTE_MEMZONE_2MB|RTE_MEMZONE_1GB);
260 printf("BOTH SIZES SET\n");
263 if (mz->hugepage_sz != RTE_PGSIZE_1G &&
264 mz->hugepage_sz != RTE_PGSIZE_2M) {
265 printf("Wrong size when both sizes set\n");
268 if (rte_memzone_free(mz)) {
269 printf("Fail memzone free\n");
275 * This option is for IBM Power. If 16MB pages available, check
276 * that a small memzone is correctly reserved from 16MB huge pages
277 * when requested by the RTE_MEMZONE_16MB flag. Also check that
278 * RTE_MEMZONE_SIZE_HINT_ONLY flag only defaults to an available
279 * page size (i.e 16GB ) when 16MB pages are unavailable.
281 if (hugepage_16MB_avail) {
282 mz = rte_memzone_reserve("flag_zone_16M", size, SOCKET_ID_ANY,
285 printf("MEMZONE FLAG 16MB\n");
288 if (mz->hugepage_sz != RTE_PGSIZE_16M) {
289 printf("hugepage_sz not equal 16M\n");
292 if (rte_memzone_free(mz)) {
293 printf("Fail memzone free\n");
297 mz = rte_memzone_reserve("flag_zone_16M_HINT", size,
298 SOCKET_ID_ANY, RTE_MEMZONE_16MB|RTE_MEMZONE_SIZE_HINT_ONLY);
300 printf("MEMZONE FLAG 16MB\n");
303 if (mz->hugepage_sz != RTE_PGSIZE_16M) {
304 printf("hugepage_sz not equal 16M\n");
307 if (rte_memzone_free(mz)) {
308 printf("Fail memzone free\n");
312 /* Check if 1GB huge pages are unavailable, that function fails
313 * unless HINT flag is indicated
315 if (!hugepage_16GB_avail) {
316 mz = rte_memzone_reserve("flag_zone_16G_HINT", size,
318 RTE_MEMZONE_16GB|RTE_MEMZONE_SIZE_HINT_ONLY);
320 printf("MEMZONE FLAG 16GB & HINT\n");
323 if (mz->hugepage_sz != RTE_PGSIZE_16M) {
324 printf("hugepage_sz not equal 16M\n");
327 if (rte_memzone_free(mz)) {
328 printf("Fail memzone free\n");
332 mz = rte_memzone_reserve("flag_zone_16G", size,
333 SOCKET_ID_ANY, RTE_MEMZONE_16GB);
335 printf("MEMZONE FLAG 16GB\n");
340 /*As with 16MB tests above for 16GB huge page requests*/
341 if (hugepage_16GB_avail) {
342 mz = rte_memzone_reserve("flag_zone_16G", size, SOCKET_ID_ANY,
345 printf("MEMZONE FLAG 16GB\n");
348 if (mz->hugepage_sz != RTE_PGSIZE_16G) {
349 printf("hugepage_sz not equal 16G\n");
352 if (rte_memzone_free(mz)) {
353 printf("Fail memzone free\n");
357 mz = rte_memzone_reserve("flag_zone_16G_HINT", size,
358 SOCKET_ID_ANY, RTE_MEMZONE_16GB|RTE_MEMZONE_SIZE_HINT_ONLY);
360 printf("MEMZONE FLAG 16GB\n");
363 if (mz->hugepage_sz != RTE_PGSIZE_16G) {
364 printf("hugepage_sz not equal 16G\n");
367 if (rte_memzone_free(mz)) {
368 printf("Fail memzone free\n");
372 /* Check if 1GB huge pages are unavailable, that function fails
373 * unless HINT flag is indicated
375 if (!hugepage_16MB_avail) {
376 mz = rte_memzone_reserve("flag_zone_16M_HINT", size,
378 RTE_MEMZONE_16MB|RTE_MEMZONE_SIZE_HINT_ONLY);
380 printf("MEMZONE FLAG 16MB & HINT\n");
383 if (mz->hugepage_sz != RTE_PGSIZE_16G) {
384 printf("hugepage_sz not equal 16G\n");
387 if (rte_memzone_free(mz)) {
388 printf("Fail memzone free\n");
391 mz = rte_memzone_reserve("flag_zone_16M", size,
392 SOCKET_ID_ANY, RTE_MEMZONE_16MB);
394 printf("MEMZONE FLAG 16MB\n");
399 if (hugepage_16MB_avail && hugepage_16GB_avail) {
400 mz = rte_memzone_reserve("flag_zone_16M_HINT", size,
402 RTE_MEMZONE_16MB|RTE_MEMZONE_16GB);
404 printf("BOTH SIZES SET\n");
407 if (mz->hugepage_sz != RTE_PGSIZE_16G &&
408 mz->hugepage_sz != RTE_PGSIZE_16M) {
409 printf("Wrong size when both sizes set\n");
412 if (rte_memzone_free(mz)) {
413 printf("Fail memzone free\n");
422 /* Find the heap with the greatest free block size */
424 find_max_block_free_size(const unsigned _align)
426 struct rte_malloc_socket_stats stats;
427 unsigned i, align = _align;
430 for (i = 0; i < RTE_MAX_NUMA_NODES; i++) {
431 rte_malloc_get_socket_stats(i, &stats);
432 if (stats.greatest_free_size > len)
433 len = stats.greatest_free_size;
436 if (align < RTE_CACHE_LINE_SIZE)
437 align = RTE_CACHE_LINE_ROUNDUP(align+1);
439 if (len <= MALLOC_ELEM_OVERHEAD + align)
442 return len - MALLOC_ELEM_OVERHEAD - align;
446 test_memzone_reserve_max(void)
448 const struct rte_memzone *mz;
451 maxlen = find_max_block_free_size(0);
454 printf("There is no space left!\n");
458 mz = rte_memzone_reserve("max_zone", 0, SOCKET_ID_ANY, 0);
460 printf("Failed to reserve a big chunk of memory - %s\n",
461 rte_strerror(rte_errno));
462 rte_dump_physmem_layout(stdout);
463 rte_memzone_dump(stdout);
467 if (mz->len != maxlen) {
468 printf("Memzone reserve with 0 size did not return bigest block\n");
469 printf("Expected size = %zu, actual size = %zu\n", maxlen, mz->len);
470 rte_dump_physmem_layout(stdout);
471 rte_memzone_dump(stdout);
475 if (rte_memzone_free(mz)) {
476 printf("Fail memzone free\n");
484 test_memzone_reserve_max_aligned(void)
486 const struct rte_memzone *mz;
489 /* random alignment */
490 rte_srand((unsigned)rte_rdtsc());
491 const unsigned align = 1 << ((rte_rand() % 8) + 5); /* from 128 up to 4k alignment */
493 maxlen = find_max_block_free_size(align);
496 printf("There is no space left for biggest %u-aligned memzone!\n", align);
500 mz = rte_memzone_reserve_aligned("max_zone_aligned", 0,
501 SOCKET_ID_ANY, 0, align);
503 printf("Failed to reserve a big chunk of memory - %s\n",
504 rte_strerror(rte_errno));
505 rte_dump_physmem_layout(stdout);
506 rte_memzone_dump(stdout);
510 if (mz->len != maxlen) {
511 printf("Memzone reserve with 0 size and alignment %u did not return"
512 " bigest block\n", align);
513 printf("Expected size = %zu, actual size = %zu\n",
515 rte_dump_physmem_layout(stdout);
516 rte_memzone_dump(stdout);
520 if (rte_memzone_free(mz)) {
521 printf("Fail memzone free\n");
529 test_memzone_aligned(void)
531 const struct rte_memzone *memzone_aligned_32;
532 const struct rte_memzone *memzone_aligned_128;
533 const struct rte_memzone *memzone_aligned_256;
534 const struct rte_memzone *memzone_aligned_512;
535 const struct rte_memzone *memzone_aligned_1024;
537 /* memzone that should automatically be adjusted to align on 64 bytes */
538 memzone_aligned_32 = rte_memzone_reserve_aligned("aligned_32", 100,
539 SOCKET_ID_ANY, 0, 32);
541 /* memzone that is supposed to be aligned on a 128 byte boundary */
542 memzone_aligned_128 = rte_memzone_reserve_aligned("aligned_128", 100,
543 SOCKET_ID_ANY, 0, 128);
545 /* memzone that is supposed to be aligned on a 256 byte boundary */
546 memzone_aligned_256 = rte_memzone_reserve_aligned("aligned_256", 100,
547 SOCKET_ID_ANY, 0, 256);
549 /* memzone that is supposed to be aligned on a 512 byte boundary */
550 memzone_aligned_512 = rte_memzone_reserve_aligned("aligned_512", 100,
551 SOCKET_ID_ANY, 0, 512);
553 /* memzone that is supposed to be aligned on a 1024 byte boundary */
554 memzone_aligned_1024 = rte_memzone_reserve_aligned("aligned_1024", 100,
555 SOCKET_ID_ANY, 0, 1024);
557 printf("check alignments and lengths\n");
558 if (memzone_aligned_32 == NULL) {
559 printf("Unable to reserve 64-byte aligned memzone!\n");
562 if ((memzone_aligned_32->iova & RTE_CACHE_LINE_MASK) != 0)
564 if (((uintptr_t) memzone_aligned_32->addr & RTE_CACHE_LINE_MASK) != 0)
566 if ((memzone_aligned_32->len & RTE_CACHE_LINE_MASK) != 0)
569 if (memzone_aligned_128 == NULL) {
570 printf("Unable to reserve 128-byte aligned memzone!\n");
573 if ((memzone_aligned_128->iova & 127) != 0)
575 if (((uintptr_t) memzone_aligned_128->addr & 127) != 0)
577 if ((memzone_aligned_128->len & RTE_CACHE_LINE_MASK) != 0)
580 if (memzone_aligned_256 == NULL) {
581 printf("Unable to reserve 256-byte aligned memzone!\n");
584 if ((memzone_aligned_256->iova & 255) != 0)
586 if (((uintptr_t) memzone_aligned_256->addr & 255) != 0)
588 if ((memzone_aligned_256->len & RTE_CACHE_LINE_MASK) != 0)
591 if (memzone_aligned_512 == NULL) {
592 printf("Unable to reserve 512-byte aligned memzone!\n");
595 if ((memzone_aligned_512->iova & 511) != 0)
597 if (((uintptr_t) memzone_aligned_512->addr & 511) != 0)
599 if ((memzone_aligned_512->len & RTE_CACHE_LINE_MASK) != 0)
602 if (memzone_aligned_1024 == NULL) {
603 printf("Unable to reserve 1024-byte aligned memzone!\n");
606 if ((memzone_aligned_1024->iova & 1023) != 0)
608 if (((uintptr_t) memzone_aligned_1024->addr & 1023) != 0)
610 if ((memzone_aligned_1024->len & RTE_CACHE_LINE_MASK) != 0)
613 /* check that zones don't overlap */
614 printf("check overlapping\n");
615 if (is_memory_overlap(memzone_aligned_32->iova, memzone_aligned_32->len,
616 memzone_aligned_128->iova, memzone_aligned_128->len))
618 if (is_memory_overlap(memzone_aligned_32->iova, memzone_aligned_32->len,
619 memzone_aligned_256->iova, memzone_aligned_256->len))
621 if (is_memory_overlap(memzone_aligned_32->iova, memzone_aligned_32->len,
622 memzone_aligned_512->iova, memzone_aligned_512->len))
624 if (is_memory_overlap(memzone_aligned_32->iova, memzone_aligned_32->len,
625 memzone_aligned_1024->iova, memzone_aligned_1024->len))
627 if (is_memory_overlap(memzone_aligned_128->iova, memzone_aligned_128->len,
628 memzone_aligned_256->iova, memzone_aligned_256->len))
630 if (is_memory_overlap(memzone_aligned_128->iova, memzone_aligned_128->len,
631 memzone_aligned_512->iova, memzone_aligned_512->len))
633 if (is_memory_overlap(memzone_aligned_128->iova, memzone_aligned_128->len,
634 memzone_aligned_1024->iova, memzone_aligned_1024->len))
636 if (is_memory_overlap(memzone_aligned_256->iova, memzone_aligned_256->len,
637 memzone_aligned_512->iova, memzone_aligned_512->len))
639 if (is_memory_overlap(memzone_aligned_256->iova, memzone_aligned_256->len,
640 memzone_aligned_1024->iova, memzone_aligned_1024->len))
642 if (is_memory_overlap(memzone_aligned_512->iova, memzone_aligned_512->len,
643 memzone_aligned_1024->iova, memzone_aligned_1024->len))
646 /* free all used zones */
647 if (rte_memzone_free(memzone_aligned_32)) {
648 printf("Fail memzone free\n");
651 if (rte_memzone_free(memzone_aligned_128)) {
652 printf("Fail memzone free\n");
655 if (rte_memzone_free(memzone_aligned_256)) {
656 printf("Fail memzone free\n");
659 if (rte_memzone_free(memzone_aligned_512)) {
660 printf("Fail memzone free\n");
663 if (rte_memzone_free(memzone_aligned_1024)) {
664 printf("Fail memzone free\n");
671 check_memzone_bounded(const char *name, uint32_t len, uint32_t align,
674 const struct rte_memzone *mz;
677 bmask = ~((rte_iova_t)bound - 1);
679 if ((mz = rte_memzone_reserve_bounded(name, len, SOCKET_ID_ANY, 0,
680 align, bound)) == NULL) {
681 printf("%s(%s): memzone creation failed\n",
686 if ((mz->iova & ((rte_iova_t)align - 1)) != 0) {
687 printf("%s(%s): invalid phys addr alignment\n",
692 if (((uintptr_t) mz->addr & ((uintptr_t)align - 1)) != 0) {
693 printf("%s(%s): invalid virtual addr alignment\n",
698 if ((mz->len & RTE_CACHE_LINE_MASK) != 0 || mz->len < len ||
699 mz->len < RTE_CACHE_LINE_SIZE) {
700 printf("%s(%s): invalid length\n",
705 if ((mz->iova & bmask) !=
706 ((mz->iova + mz->len - 1) & bmask)) {
707 printf("%s(%s): invalid memzone boundary %u crossed\n",
708 __func__, mz->name, bound);
712 if (rte_memzone_free(mz)) {
713 printf("Fail memzone free\n");
721 test_memzone_bounded(void)
723 const struct rte_memzone *memzone_err;
727 /* should fail as boundary is not power of two */
728 name = "bounded_error_31";
729 if ((memzone_err = rte_memzone_reserve_bounded(name,
730 100, SOCKET_ID_ANY, 0, 32, UINT32_MAX)) != NULL) {
731 printf("%s(%s)created a memzone with invalid boundary "
732 "conditions\n", __func__, memzone_err->name);
736 /* should fail as len is greater then boundary */
737 name = "bounded_error_32";
738 if ((memzone_err = rte_memzone_reserve_bounded(name,
739 100, SOCKET_ID_ANY, 0, 32, 32)) != NULL) {
740 printf("%s(%s)created a memzone with invalid boundary "
741 "conditions\n", __func__, memzone_err->name);
745 if ((rc = check_memzone_bounded("bounded_128", 100, 128, 128)) != 0)
748 if ((rc = check_memzone_bounded("bounded_256", 100, 256, 128)) != 0)
751 if ((rc = check_memzone_bounded("bounded_1K", 100, 64, 1024)) != 0)
754 if ((rc = check_memzone_bounded("bounded_1K_MAX", 0, 64, 1024)) != 0)
761 test_memzone_free(void)
763 const struct rte_memzone *mz[RTE_MAX_MEMZONE + 1];
767 mz[0] = rte_memzone_reserve("tempzone0", 2000, SOCKET_ID_ANY, 0);
768 mz[1] = rte_memzone_reserve("tempzone1", 4000, SOCKET_ID_ANY, 0);
772 if (!rte_memzone_lookup("tempzone0"))
774 if (!rte_memzone_lookup("tempzone1"))
777 if (rte_memzone_free(mz[0])) {
778 printf("Fail memzone free - tempzone0\n");
781 if (rte_memzone_lookup("tempzone0")) {
782 printf("Found previously free memzone - tempzone0\n");
785 mz[2] = rte_memzone_reserve("tempzone2", 2000, SOCKET_ID_ANY, 0);
788 printf("tempzone2 should have gotten the free entry from tempzone0\n");
791 if (rte_memzone_free(mz[2])) {
792 printf("Fail memzone free - tempzone2\n");
795 if (rte_memzone_lookup("tempzone2")) {
796 printf("Found previously free memzone - tempzone2\n");
799 if (rte_memzone_free(mz[1])) {
800 printf("Fail memzone free - tempzone1\n");
803 if (rte_memzone_lookup("tempzone1")) {
804 printf("Found previously free memzone - tempzone1\n");
810 snprintf(name, sizeof(name), "tempzone%u", i);
811 mz[i] = rte_memzone_reserve(name, 1, SOCKET_ID_ANY, 0);
812 } while (mz[i++] != NULL);
814 if (rte_memzone_free(mz[0])) {
815 printf("Fail memzone free - tempzone0\n");
818 mz[0] = rte_memzone_reserve("tempzone0new", 0, SOCKET_ID_ANY, 0);
821 printf("Fail to create memzone - tempzone0new - when MAX memzones were "
822 "created and one was free\n");
826 for (i = i - 2; i >= 0; i--) {
827 if (rte_memzone_free(mz[i])) {
828 printf("Fail memzone free - tempzone%d\n", i);
837 test_memzone_basic(void)
839 const struct rte_memzone *memzone1;
840 const struct rte_memzone *memzone2;
841 const struct rte_memzone *memzone3;
842 const struct rte_memzone *memzone4;
843 const struct rte_memzone *mz;
845 memzone1 = rte_memzone_reserve("testzone1", 100,
848 memzone2 = rte_memzone_reserve("testzone2", 1000,
851 memzone3 = rte_memzone_reserve("testzone3", 1000,
854 memzone4 = rte_memzone_reserve("testzone4", 1024,
857 /* memzone3 may be NULL if we don't have NUMA */
858 if (memzone1 == NULL || memzone2 == NULL || memzone4 == NULL)
861 rte_memzone_dump(stdout);
863 /* check cache-line alignments */
864 printf("check alignments and lengths\n");
866 if ((memzone1->iova & RTE_CACHE_LINE_MASK) != 0)
868 if ((memzone2->iova & RTE_CACHE_LINE_MASK) != 0)
870 if (memzone3 != NULL && (memzone3->iova & RTE_CACHE_LINE_MASK) != 0)
872 if ((memzone1->len & RTE_CACHE_LINE_MASK) != 0 || memzone1->len == 0)
874 if ((memzone2->len & RTE_CACHE_LINE_MASK) != 0 || memzone2->len == 0)
876 if (memzone3 != NULL && ((memzone3->len & RTE_CACHE_LINE_MASK) != 0 ||
879 if (memzone4->len != 1024)
882 /* check that zones don't overlap */
883 printf("check overlapping\n");
885 if (is_memory_overlap(memzone1->iova, memzone1->len,
886 memzone2->iova, memzone2->len))
888 if (memzone3 != NULL &&
889 is_memory_overlap(memzone1->iova, memzone1->len,
890 memzone3->iova, memzone3->len))
892 if (memzone3 != NULL &&
893 is_memory_overlap(memzone2->iova, memzone2->len,
894 memzone3->iova, memzone3->len))
897 printf("check socket ID\n");
899 /* memzone2 must be on socket id 0 and memzone3 on socket 1 */
900 if (memzone2->socket_id != 0)
902 if (memzone3 != NULL && memzone3->socket_id != 1)
905 printf("test zone lookup\n");
906 mz = rte_memzone_lookup("testzone1");
910 printf("test duplcate zone name\n");
911 mz = rte_memzone_reserve("testzone1", 100,
916 if (rte_memzone_free(memzone1)) {
917 printf("Fail memzone free - memzone1\n");
920 if (rte_memzone_free(memzone2)) {
921 printf("Fail memzone free - memzone2\n");
924 if (memzone3 && rte_memzone_free(memzone3)) {
925 printf("Fail memzone free - memzone3\n");
928 if (rte_memzone_free(memzone4)) {
929 printf("Fail memzone free - memzone4\n");
936 static int memzone_walk_called;
937 static void memzone_walk_clb(const struct rte_memzone *mz __rte_unused,
938 void *arg __rte_unused)
940 memzone_walk_called = 1;
946 printf("test basic memzone API\n");
947 if (test_memzone_basic() < 0)
950 printf("test free memzone\n");
951 if (test_memzone_free() < 0)
954 printf("test reserving memzone with bigger size than the maximum\n");
955 if (test_memzone_reserving_zone_size_bigger_than_the_maximum() < 0)
958 printf("test memzone_reserve flags\n");
959 if (test_memzone_reserve_flags() < 0)
962 printf("test alignment for memzone_reserve\n");
963 if (test_memzone_aligned() < 0)
966 printf("test boundary alignment for memzone_reserve\n");
967 if (test_memzone_bounded() < 0)
970 printf("test invalid alignment for memzone_reserve\n");
971 if (test_memzone_invalid_alignment() < 0)
974 printf("test reserving the largest size memzone possible\n");
975 if (test_memzone_reserve_max() < 0)
978 printf("test reserving the largest size aligned memzone possible\n");
979 if (test_memzone_reserve_max_aligned() < 0)
982 printf("check memzone cleanup\n");
983 rte_memzone_walk(memzone_walk_clb, NULL);
984 if (memzone_walk_called) {
985 printf("there are some memzones left after test\n");
986 rte_memzone_dump(stdout);
993 REGISTER_TEST_COMMAND(memzone_autotest, test_memzone);