X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=app%2Ftest%2Ftest_memzone.c;fp=app%2Ftest%2Ftest_memzone.c;h=cadd86f667a689b8628f75b8b7f5e385667ce9a3;hb=97f17497d162afdb82c8704bf097f0fee3724b2e;hp=0000000000000000000000000000000000000000;hpb=e04be89c2409570e0055b2cda60bd11395bb93b0;p=deb_dpdk.git diff --git a/app/test/test_memzone.c b/app/test/test_memzone.c new file mode 100644 index 00000000..cadd86f6 --- /dev/null +++ b/app/test/test_memzone.c @@ -0,0 +1,879 @@ +/*- + * BSD LICENSE + * + * Copyright(c) 2010-2014 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "../../lib/librte_eal/common/malloc_elem.h" + +#include "test.h" + +/* + * Memzone + * ======= + * + * - Search for three reserved zones or reserve them if they do not exist: + * + * - One is on any socket id. + * - The second is on socket 0. + * - The last one is on socket 1 (if socket 1 exists). + * + * - Check that the zones exist. + * + * - Check that the zones are cache-aligned. + * + * - Check that zones do not overlap. + * + * - Check that the zones are on the correct socket id. + * + * - Check that a lookup of the first zone returns the same pointer. + * + * - Check that it is not possible to create another zone with the + * same name as an existing zone. + * + * - Check flags for specific huge page size reservation + */ + +/* Test if memory overlaps: return 1 if true, or 0 if false. */ +static int +is_memory_overlap(phys_addr_t ptr1, size_t len1, phys_addr_t ptr2, size_t len2) +{ + if (ptr2 >= ptr1 && (ptr2 - ptr1) < len1) + return 1; + else if (ptr2 < ptr1 && (ptr1 - ptr2) < len2) + return 1; + return 0; +} + +static int +test_memzone_invalid_alignment(void) +{ + const struct rte_memzone * mz; + + mz = rte_memzone_lookup("invalid_alignment"); + if (mz != NULL) { + printf("Zone with invalid alignment has been reserved\n"); + return -1; + } + + mz = rte_memzone_reserve_aligned("invalid_alignment", 100, + SOCKET_ID_ANY, 0, 100); + if (mz != NULL) { + printf("Zone with invalid alignment has been reserved\n"); + return -1; + } + return 0; +} + +static int +test_memzone_reserving_zone_size_bigger_than_the_maximum(void) +{ + const struct rte_memzone * mz; + + mz = rte_memzone_lookup("zone_size_bigger_than_the_maximum"); + if (mz != NULL) { + printf("zone_size_bigger_than_the_maximum has been reserved\n"); + return -1; + } + + mz = rte_memzone_reserve("zone_size_bigger_than_the_maximum", (size_t)-1, + SOCKET_ID_ANY, 0); + if (mz != NULL) { + printf("It is impossible to reserve such big a memzone\n"); + return -1; + } + + return 0; +} + +static int +test_memzone_reserve_flags(void) +{ + const struct rte_memzone *mz; + const struct rte_memseg *ms; + int hugepage_2MB_avail = 0; + int hugepage_1GB_avail = 0; + int hugepage_16MB_avail = 0; + int hugepage_16GB_avail = 0; + const size_t size = 100; + int i = 0; + ms = rte_eal_get_physmem_layout(); + for (i = 0; i < RTE_MAX_MEMSEG; i++) { + if (ms[i].hugepage_sz == RTE_PGSIZE_2M) + hugepage_2MB_avail = 1; + if (ms[i].hugepage_sz == RTE_PGSIZE_1G) + hugepage_1GB_avail = 1; + if (ms[i].hugepage_sz == RTE_PGSIZE_16M) + hugepage_16MB_avail = 1; + if (ms[i].hugepage_sz == RTE_PGSIZE_16G) + hugepage_16GB_avail = 1; + } + /* Display the availability of 2MB ,1GB, 16MB, 16GB pages */ + if (hugepage_2MB_avail) + printf("2MB Huge pages available\n"); + if (hugepage_1GB_avail) + printf("1GB Huge pages available\n"); + if (hugepage_16MB_avail) + printf("16MB Huge pages available\n"); + if (hugepage_16GB_avail) + printf("16GB Huge pages available\n"); + /* + * If 2MB pages available, check that a small memzone is correctly + * reserved from 2MB huge pages when requested by the RTE_MEMZONE_2MB flag. + * Also check that RTE_MEMZONE_SIZE_HINT_ONLY flag only defaults to an + * available page size (i.e 1GB ) when 2MB pages are unavailable. + */ + if (hugepage_2MB_avail) { + mz = rte_memzone_reserve("flag_zone_2M", size, SOCKET_ID_ANY, + RTE_MEMZONE_2MB); + if (mz == NULL) { + printf("MEMZONE FLAG 2MB\n"); + return -1; + } + if (mz->hugepage_sz != RTE_PGSIZE_2M) { + printf("hugepage_sz not equal 2M\n"); + return -1; + } + + mz = rte_memzone_reserve("flag_zone_2M_HINT", size, SOCKET_ID_ANY, + RTE_MEMZONE_2MB|RTE_MEMZONE_SIZE_HINT_ONLY); + if (mz == NULL) { + printf("MEMZONE FLAG 2MB\n"); + return -1; + } + if (mz->hugepage_sz != RTE_PGSIZE_2M) { + printf("hugepage_sz not equal 2M\n"); + return -1; + } + + /* Check if 1GB huge pages are unavailable, that function fails unless + * HINT flag is indicated + */ + if (!hugepage_1GB_avail) { + mz = rte_memzone_reserve("flag_zone_1G_HINT", size, SOCKET_ID_ANY, + RTE_MEMZONE_1GB|RTE_MEMZONE_SIZE_HINT_ONLY); + if (mz == NULL) { + printf("MEMZONE FLAG 1GB & HINT\n"); + return -1; + } + if (mz->hugepage_sz != RTE_PGSIZE_2M) { + printf("hugepage_sz not equal 2M\n"); + return -1; + } + + mz = rte_memzone_reserve("flag_zone_1G", size, SOCKET_ID_ANY, + RTE_MEMZONE_1GB); + if (mz != NULL) { + printf("MEMZONE FLAG 1GB\n"); + return -1; + } + } + } + + /*As with 2MB tests above for 1GB huge page requests*/ + if (hugepage_1GB_avail) { + mz = rte_memzone_reserve("flag_zone_1G", size, SOCKET_ID_ANY, + RTE_MEMZONE_1GB); + if (mz == NULL) { + printf("MEMZONE FLAG 1GB\n"); + return -1; + } + if (mz->hugepage_sz != RTE_PGSIZE_1G) { + printf("hugepage_sz not equal 1G\n"); + return -1; + } + + mz = rte_memzone_reserve("flag_zone_1G_HINT", size, SOCKET_ID_ANY, + RTE_MEMZONE_1GB|RTE_MEMZONE_SIZE_HINT_ONLY); + if (mz == NULL) { + printf("MEMZONE FLAG 1GB\n"); + return -1; + } + if (mz->hugepage_sz != RTE_PGSIZE_1G) { + printf("hugepage_sz not equal 1G\n"); + return -1; + } + + /* Check if 1GB huge pages are unavailable, that function fails unless + * HINT flag is indicated + */ + if (!hugepage_2MB_avail) { + mz = rte_memzone_reserve("flag_zone_2M_HINT", size, SOCKET_ID_ANY, + RTE_MEMZONE_2MB|RTE_MEMZONE_SIZE_HINT_ONLY); + if (mz == NULL){ + printf("MEMZONE FLAG 2MB & HINT\n"); + return -1; + } + if (mz->hugepage_sz != RTE_PGSIZE_1G) { + printf("hugepage_sz not equal 1G\n"); + return -1; + } + mz = rte_memzone_reserve("flag_zone_2M", size, SOCKET_ID_ANY, + RTE_MEMZONE_2MB); + if (mz != NULL) { + printf("MEMZONE FLAG 2MB\n"); + return -1; + } + } + + if (hugepage_2MB_avail && hugepage_1GB_avail) { + mz = rte_memzone_reserve("flag_zone_2M_HINT", size, SOCKET_ID_ANY, + RTE_MEMZONE_2MB|RTE_MEMZONE_1GB); + if (mz != NULL) { + printf("BOTH SIZES SET\n"); + return -1; + } + } + } + /* + * This option is for IBM Power. If 16MB pages available, check + * that a small memzone is correctly reserved from 16MB huge pages + * when requested by the RTE_MEMZONE_16MB flag. Also check that + * RTE_MEMZONE_SIZE_HINT_ONLY flag only defaults to an available + * page size (i.e 16GB ) when 16MB pages are unavailable. + */ + if (hugepage_16MB_avail) { + mz = rte_memzone_reserve("flag_zone_16M", size, SOCKET_ID_ANY, + RTE_MEMZONE_16MB); + if (mz == NULL) { + printf("MEMZONE FLAG 16MB\n"); + return -1; + } + if (mz->hugepage_sz != RTE_PGSIZE_16M) { + printf("hugepage_sz not equal 16M\n"); + return -1; + } + + mz = rte_memzone_reserve("flag_zone_16M_HINT", size, + SOCKET_ID_ANY, RTE_MEMZONE_16MB|RTE_MEMZONE_SIZE_HINT_ONLY); + if (mz == NULL) { + printf("MEMZONE FLAG 2MB\n"); + return -1; + } + if (mz->hugepage_sz != RTE_PGSIZE_16M) { + printf("hugepage_sz not equal 16M\n"); + return -1; + } + + /* Check if 1GB huge pages are unavailable, that function fails + * unless HINT flag is indicated + */ + if (!hugepage_16GB_avail) { + mz = rte_memzone_reserve("flag_zone_16G_HINT", size, + SOCKET_ID_ANY, + RTE_MEMZONE_16GB|RTE_MEMZONE_SIZE_HINT_ONLY); + if (mz == NULL) { + printf("MEMZONE FLAG 16GB & HINT\n"); + return -1; + } + if (mz->hugepage_sz != RTE_PGSIZE_16M) { + printf("hugepage_sz not equal 16M\n"); + return -1; + } + + mz = rte_memzone_reserve("flag_zone_16G", size, + SOCKET_ID_ANY, RTE_MEMZONE_16GB); + if (mz != NULL) { + printf("MEMZONE FLAG 16GB\n"); + return -1; + } + } + } + /*As with 16MB tests above for 16GB huge page requests*/ + if (hugepage_16GB_avail) { + mz = rte_memzone_reserve("flag_zone_16G", size, SOCKET_ID_ANY, + RTE_MEMZONE_16GB); + if (mz == NULL) { + printf("MEMZONE FLAG 16GB\n"); + return -1; + } + if (mz->hugepage_sz != RTE_PGSIZE_16G) { + printf("hugepage_sz not equal 16G\n"); + return -1; + } + + mz = rte_memzone_reserve("flag_zone_16G_HINT", size, + SOCKET_ID_ANY, RTE_MEMZONE_16GB|RTE_MEMZONE_SIZE_HINT_ONLY); + if (mz == NULL) { + printf("MEMZONE FLAG 16GB\n"); + return -1; + } + if (mz->hugepage_sz != RTE_PGSIZE_16G) { + printf("hugepage_sz not equal 16G\n"); + return -1; + } + + /* Check if 1GB huge pages are unavailable, that function fails + * unless HINT flag is indicated + */ + if (!hugepage_16MB_avail) { + mz = rte_memzone_reserve("flag_zone_16M_HINT", size, + SOCKET_ID_ANY, + RTE_MEMZONE_16MB|RTE_MEMZONE_SIZE_HINT_ONLY); + if (mz == NULL) { + printf("MEMZONE FLAG 16MB & HINT\n"); + return -1; + } + if (mz->hugepage_sz != RTE_PGSIZE_16G) { + printf("hugepage_sz not equal 16G\n"); + return -1; + } + mz = rte_memzone_reserve("flag_zone_16M", size, + SOCKET_ID_ANY, RTE_MEMZONE_16MB); + if (mz != NULL) { + printf("MEMZONE FLAG 16MB\n"); + return -1; + } + } + + if (hugepage_16MB_avail && hugepage_16GB_avail) { + mz = rte_memzone_reserve("flag_zone_16M_HINT", size, + SOCKET_ID_ANY, + RTE_MEMZONE_16MB|RTE_MEMZONE_16GB); + if (mz != NULL) { + printf("BOTH SIZES SET\n"); + return -1; + } + } + } + return 0; +} + + +/* Find the heap with the greatest free block size */ +static size_t +find_max_block_free_size(const unsigned _align) +{ + struct rte_malloc_socket_stats stats; + unsigned i, align = _align; + size_t len = 0; + + for (i = 0; i < RTE_MAX_NUMA_NODES; i++) { + rte_malloc_get_socket_stats(i, &stats); + if (stats.greatest_free_size > len) + len = stats.greatest_free_size; + } + + if (align < RTE_CACHE_LINE_SIZE) + align = RTE_CACHE_LINE_ROUNDUP(align+1); + + if (len <= MALLOC_ELEM_OVERHEAD + align) + return 0; + + return len - MALLOC_ELEM_OVERHEAD - align; +} + +static int +test_memzone_reserve_max(void) +{ + const struct rte_memzone *mz; + size_t maxlen; + + maxlen = find_max_block_free_size(0); + + if (maxlen == 0) { + printf("There is no space left!\n"); + return 0; + } + + mz = rte_memzone_reserve("max_zone", 0, SOCKET_ID_ANY, 0); + if (mz == NULL){ + printf("Failed to reserve a big chunk of memory - %s\n", + rte_strerror(rte_errno)); + rte_dump_physmem_layout(stdout); + rte_memzone_dump(stdout); + return -1; + } + + if (mz->len != maxlen) { + printf("Memzone reserve with 0 size did not return bigest block\n"); + printf("Expected size = %zu, actual size = %zu\n", maxlen, mz->len); + rte_dump_physmem_layout(stdout); + rte_memzone_dump(stdout); + return -1; + } + return 0; +} + +static int +test_memzone_reserve_max_aligned(void) +{ + const struct rte_memzone *mz; + size_t maxlen = 0; + + /* random alignment */ + rte_srand((unsigned)rte_rdtsc()); + const unsigned align = 1 << ((rte_rand() % 8) + 5); /* from 128 up to 4k alignment */ + + maxlen = find_max_block_free_size(align); + + if (maxlen == 0) { + printf("There is no space left for biggest %u-aligned memzone!\n", align); + return 0; + } + + mz = rte_memzone_reserve_aligned("max_zone_aligned", 0, + SOCKET_ID_ANY, 0, align); + if (mz == NULL){ + printf("Failed to reserve a big chunk of memory - %s\n", + rte_strerror(rte_errno)); + rte_dump_physmem_layout(stdout); + rte_memzone_dump(stdout); + return -1; + } + + if (mz->len != maxlen) { + printf("Memzone reserve with 0 size and alignment %u did not return" + " bigest block\n", align); + printf("Expected size = %zu, actual size = %zu\n", + maxlen, mz->len); + rte_dump_physmem_layout(stdout); + rte_memzone_dump(stdout); + return -1; + } + return 0; +} + +static int +test_memzone_aligned(void) +{ + const struct rte_memzone *memzone_aligned_32; + const struct rte_memzone *memzone_aligned_128; + const struct rte_memzone *memzone_aligned_256; + const struct rte_memzone *memzone_aligned_512; + const struct rte_memzone *memzone_aligned_1024; + + /* memzone that should automatically be adjusted to align on 64 bytes */ + memzone_aligned_32 = rte_memzone_reserve_aligned("aligned_32", 100, + SOCKET_ID_ANY, 0, 32); + + /* memzone that is supposed to be aligned on a 128 byte boundary */ + memzone_aligned_128 = rte_memzone_reserve_aligned("aligned_128", 100, + SOCKET_ID_ANY, 0, 128); + + /* memzone that is supposed to be aligned on a 256 byte boundary */ + memzone_aligned_256 = rte_memzone_reserve_aligned("aligned_256", 100, + SOCKET_ID_ANY, 0, 256); + + /* memzone that is supposed to be aligned on a 512 byte boundary */ + memzone_aligned_512 = rte_memzone_reserve_aligned("aligned_512", 100, + SOCKET_ID_ANY, 0, 512); + + /* memzone that is supposed to be aligned on a 1024 byte boundary */ + memzone_aligned_1024 = rte_memzone_reserve_aligned("aligned_1024", 100, + SOCKET_ID_ANY, 0, 1024); + + printf("check alignments and lengths\n"); + if (memzone_aligned_32 == NULL) { + printf("Unable to reserve 64-byte aligned memzone!\n"); + return -1; + } + if ((memzone_aligned_32->phys_addr & RTE_CACHE_LINE_MASK) != 0) + return -1; + if (((uintptr_t) memzone_aligned_32->addr & RTE_CACHE_LINE_MASK) != 0) + return -1; + if ((memzone_aligned_32->len & RTE_CACHE_LINE_MASK) != 0) + return -1; + + if (memzone_aligned_128 == NULL) { + printf("Unable to reserve 128-byte aligned memzone!\n"); + return -1; + } + if ((memzone_aligned_128->phys_addr & 127) != 0) + return -1; + if (((uintptr_t) memzone_aligned_128->addr & 127) != 0) + return -1; + if ((memzone_aligned_128->len & RTE_CACHE_LINE_MASK) != 0) + return -1; + + if (memzone_aligned_256 == NULL) { + printf("Unable to reserve 256-byte aligned memzone!\n"); + return -1; + } + if ((memzone_aligned_256->phys_addr & 255) != 0) + return -1; + if (((uintptr_t) memzone_aligned_256->addr & 255) != 0) + return -1; + if ((memzone_aligned_256->len & RTE_CACHE_LINE_MASK) != 0) + return -1; + + if (memzone_aligned_512 == NULL) { + printf("Unable to reserve 512-byte aligned memzone!\n"); + return -1; + } + if ((memzone_aligned_512->phys_addr & 511) != 0) + return -1; + if (((uintptr_t) memzone_aligned_512->addr & 511) != 0) + return -1; + if ((memzone_aligned_512->len & RTE_CACHE_LINE_MASK) != 0) + return -1; + + if (memzone_aligned_1024 == NULL) { + printf("Unable to reserve 1024-byte aligned memzone!\n"); + return -1; + } + if ((memzone_aligned_1024->phys_addr & 1023) != 0) + return -1; + if (((uintptr_t) memzone_aligned_1024->addr & 1023) != 0) + return -1; + if ((memzone_aligned_1024->len & RTE_CACHE_LINE_MASK) != 0) + return -1; + + /* check that zones don't overlap */ + printf("check overlapping\n"); + if (is_memory_overlap(memzone_aligned_32->phys_addr, memzone_aligned_32->len, + memzone_aligned_128->phys_addr, memzone_aligned_128->len)) + return -1; + if (is_memory_overlap(memzone_aligned_32->phys_addr, memzone_aligned_32->len, + memzone_aligned_256->phys_addr, memzone_aligned_256->len)) + return -1; + if (is_memory_overlap(memzone_aligned_32->phys_addr, memzone_aligned_32->len, + memzone_aligned_512->phys_addr, memzone_aligned_512->len)) + return -1; + if (is_memory_overlap(memzone_aligned_32->phys_addr, memzone_aligned_32->len, + memzone_aligned_1024->phys_addr, memzone_aligned_1024->len)) + return -1; + if (is_memory_overlap(memzone_aligned_128->phys_addr, memzone_aligned_128->len, + memzone_aligned_256->phys_addr, memzone_aligned_256->len)) + return -1; + if (is_memory_overlap(memzone_aligned_128->phys_addr, memzone_aligned_128->len, + memzone_aligned_512->phys_addr, memzone_aligned_512->len)) + return -1; + if (is_memory_overlap(memzone_aligned_128->phys_addr, memzone_aligned_128->len, + memzone_aligned_1024->phys_addr, memzone_aligned_1024->len)) + return -1; + if (is_memory_overlap(memzone_aligned_256->phys_addr, memzone_aligned_256->len, + memzone_aligned_512->phys_addr, memzone_aligned_512->len)) + return -1; + if (is_memory_overlap(memzone_aligned_256->phys_addr, memzone_aligned_256->len, + memzone_aligned_1024->phys_addr, memzone_aligned_1024->len)) + return -1; + if (is_memory_overlap(memzone_aligned_512->phys_addr, memzone_aligned_512->len, + memzone_aligned_1024->phys_addr, memzone_aligned_1024->len)) + return -1; + return 0; +} + +static int +check_memzone_bounded(const char *name, uint32_t len, uint32_t align, + uint32_t bound) +{ + const struct rte_memzone *mz; + phys_addr_t bmask; + + bmask = ~((phys_addr_t)bound - 1); + + if ((mz = rte_memzone_reserve_bounded(name, len, SOCKET_ID_ANY, 0, + align, bound)) == NULL) { + printf("%s(%s): memzone creation failed\n", + __func__, name); + return -1; + } + + if ((mz->phys_addr & ((phys_addr_t)align - 1)) != 0) { + printf("%s(%s): invalid phys addr alignment\n", + __func__, mz->name); + return -1; + } + + if (((uintptr_t) mz->addr & ((uintptr_t)align - 1)) != 0) { + printf("%s(%s): invalid virtual addr alignment\n", + __func__, mz->name); + return -1; + } + + if ((mz->len & RTE_CACHE_LINE_MASK) != 0 || mz->len < len || + mz->len < RTE_CACHE_LINE_SIZE) { + printf("%s(%s): invalid length\n", + __func__, mz->name); + return -1; + } + + if ((mz->phys_addr & bmask) != + ((mz->phys_addr + mz->len - 1) & bmask)) { + printf("%s(%s): invalid memzone boundary %u crossed\n", + __func__, mz->name, bound); + return -1; + } + + return 0; +} + +static int +test_memzone_bounded(void) +{ + const struct rte_memzone *memzone_err; + const char *name; + int rc; + + /* should fail as boundary is not power of two */ + name = "bounded_error_31"; + if ((memzone_err = rte_memzone_reserve_bounded(name, + 100, SOCKET_ID_ANY, 0, 32, UINT32_MAX)) != NULL) { + printf("%s(%s)created a memzone with invalid boundary " + "conditions\n", __func__, memzone_err->name); + return -1; + } + + /* should fail as len is greater then boundary */ + name = "bounded_error_32"; + if ((memzone_err = rte_memzone_reserve_bounded(name, + 100, SOCKET_ID_ANY, 0, 32, 32)) != NULL) { + printf("%s(%s)created a memzone with invalid boundary " + "conditions\n", __func__, memzone_err->name); + return -1; + } + + if ((rc = check_memzone_bounded("bounded_128", 100, 128, 128)) != 0) + return rc; + + if ((rc = check_memzone_bounded("bounded_256", 100, 256, 128)) != 0) + return rc; + + if ((rc = check_memzone_bounded("bounded_1K", 100, 64, 1024)) != 0) + return rc; + + if ((rc = check_memzone_bounded("bounded_1K_MAX", 0, 64, 1024)) != 0) + return rc; + + return 0; +} + +static int +test_memzone_free(void) +{ + const struct rte_memzone *mz[RTE_MAX_MEMZONE]; + int i; + char name[20]; + + mz[0] = rte_memzone_reserve("tempzone0", 2000, SOCKET_ID_ANY, 0); + mz[1] = rte_memzone_reserve("tempzone1", 4000, SOCKET_ID_ANY, 0); + + if (mz[0] > mz[1]) + return -1; + if (!rte_memzone_lookup("tempzone0")) + return -1; + if (!rte_memzone_lookup("tempzone1")) + return -1; + + if (rte_memzone_free(mz[0])) { + printf("Fail memzone free - tempzone0\n"); + return -1; + } + if (rte_memzone_lookup("tempzone0")) { + printf("Found previously free memzone - tempzone0\n"); + return -1; + } + mz[2] = rte_memzone_reserve("tempzone2", 2000, SOCKET_ID_ANY, 0); + + if (mz[2] > mz[1]) { + printf("tempzone2 should have gotten the free entry from tempzone0\n"); + return -1; + } + if (rte_memzone_free(mz[2])) { + printf("Fail memzone free - tempzone2\n"); + return -1; + } + if (rte_memzone_lookup("tempzone2")) { + printf("Found previously free memzone - tempzone2\n"); + return -1; + } + if (rte_memzone_free(mz[1])) { + printf("Fail memzone free - tempzone1\n"); + return -1; + } + if (rte_memzone_lookup("tempzone1")) { + printf("Found previously free memzone - tempzone1\n"); + return -1; + } + + i = 0; + do { + snprintf(name, sizeof(name), "tempzone%u", i); + mz[i] = rte_memzone_reserve(name, 1, SOCKET_ID_ANY, 0); + } while (mz[i++] != NULL); + + if (rte_memzone_free(mz[0])) { + printf("Fail memzone free - tempzone0\n"); + return -1; + } + mz[0] = rte_memzone_reserve("tempzone0new", 0, SOCKET_ID_ANY, 0); + + if (mz[0] == NULL) { + printf("Fail to create memzone - tempzone0new - when MAX memzones were " + "created and one was free\n"); + return -1; + } + + for (i = i - 2; i >= 0; i--) { + if (rte_memzone_free(mz[i])) { + printf("Fail memzone free - tempzone%d\n", i); + return -1; + } + } + + return 0; +} + +static int +test_memzone(void) +{ + const struct rte_memzone *memzone1; + const struct rte_memzone *memzone2; + const struct rte_memzone *memzone3; + const struct rte_memzone *memzone4; + const struct rte_memzone *mz; + + memzone1 = rte_memzone_reserve("testzone1", 100, + SOCKET_ID_ANY, 0); + + memzone2 = rte_memzone_reserve("testzone2", 1000, + 0, 0); + + memzone3 = rte_memzone_reserve("testzone3", 1000, + 1, 0); + + memzone4 = rte_memzone_reserve("testzone4", 1024, + SOCKET_ID_ANY, 0); + + /* memzone3 may be NULL if we don't have NUMA */ + if (memzone1 == NULL || memzone2 == NULL || memzone4 == NULL) + return -1; + + rte_memzone_dump(stdout); + + /* check cache-line alignments */ + printf("check alignments and lengths\n"); + + if ((memzone1->phys_addr & RTE_CACHE_LINE_MASK) != 0) + return -1; + if ((memzone2->phys_addr & RTE_CACHE_LINE_MASK) != 0) + return -1; + if (memzone3 != NULL && (memzone3->phys_addr & RTE_CACHE_LINE_MASK) != 0) + return -1; + if ((memzone1->len & RTE_CACHE_LINE_MASK) != 0 || memzone1->len == 0) + return -1; + if ((memzone2->len & RTE_CACHE_LINE_MASK) != 0 || memzone2->len == 0) + return -1; + if (memzone3 != NULL && ((memzone3->len & RTE_CACHE_LINE_MASK) != 0 || + memzone3->len == 0)) + return -1; + if (memzone4->len != 1024) + return -1; + + /* check that zones don't overlap */ + printf("check overlapping\n"); + + if (is_memory_overlap(memzone1->phys_addr, memzone1->len, + memzone2->phys_addr, memzone2->len)) + return -1; + if (memzone3 != NULL && + is_memory_overlap(memzone1->phys_addr, memzone1->len, + memzone3->phys_addr, memzone3->len)) + return -1; + if (memzone3 != NULL && + is_memory_overlap(memzone2->phys_addr, memzone2->len, + memzone3->phys_addr, memzone3->len)) + return -1; + + printf("check socket ID\n"); + + /* memzone2 must be on socket id 0 and memzone3 on socket 1 */ + if (memzone2->socket_id != 0) + return -1; + if (memzone3 != NULL && memzone3->socket_id != 1) + return -1; + + printf("test zone lookup\n"); + mz = rte_memzone_lookup("testzone1"); + if (mz != memzone1) + return -1; + + printf("test duplcate zone name\n"); + mz = rte_memzone_reserve("testzone1", 100, + SOCKET_ID_ANY, 0); + if (mz != NULL) + return -1; + + printf("test free memzone\n"); + if (test_memzone_free() < 0) + return -1; + + printf("test reserving memzone with bigger size than the maximum\n"); + if (test_memzone_reserving_zone_size_bigger_than_the_maximum() < 0) + return -1; + + printf("test memzone_reserve flags\n"); + if (test_memzone_reserve_flags() < 0) + return -1; + + printf("test alignment for memzone_reserve\n"); + if (test_memzone_aligned() < 0) + return -1; + + printf("test boundary alignment for memzone_reserve\n"); + if (test_memzone_bounded() < 0) + return -1; + + printf("test invalid alignment for memzone_reserve\n"); + if (test_memzone_invalid_alignment() < 0) + return -1; + + printf("test reserving the largest size memzone possible\n"); + if (test_memzone_reserve_max() < 0) + return -1; + + printf("test reserving the largest size aligned memzone possible\n"); + if (test_memzone_reserve_max_aligned() < 0) + return -1; + + return 0; +} + +static struct test_command memzone_cmd = { + .command = "memzone_autotest", + .callback = test_memzone, +}; +REGISTER_TEST_COMMAND(memzone_cmd);