ff708facfc
Only keep inclusion where really needed. Signed-off-by: David Marchand <david.marchand@6wind.com> Acked-by: Neil Horman <nhorman@tuxdriver.com>
1172 lines
33 KiB
C
1172 lines
33 KiB
C
/*-
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* BSD LICENSE
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*
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* Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <stdio.h>
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#include <stdint.h>
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#include <inttypes.h>
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#include <sys/queue.h>
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#include <rte_random.h>
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#include <rte_cycles.h>
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#include <rte_memory.h>
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#include <rte_memzone.h>
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#include <rte_eal.h>
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#include <rte_eal_memconfig.h>
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#include <rte_common.h>
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#include <rte_string_fns.h>
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#include "test.h"
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/*
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* Memzone
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* =======
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*
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* - Search for three reserved zones or reserve them if they do not exist:
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*
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* - One is on any socket id.
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* - The second is on socket 0.
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* - The last one is on socket 1 (if socket 1 exists).
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*
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* - Check that the zones exist.
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*
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* - Check that the zones are cache-aligned.
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*
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* - Check that zones do not overlap.
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*
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* - Check that the zones are on the correct socket id.
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*
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* - Check that a lookup of the first zone returns the same pointer.
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*
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* - Check that it is not possible to create another zone with the
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* same name as an existing zone.
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*
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* - Check flags for specific huge page size reservation
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*/
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/* Test if memory overlaps: return 1 if true, or 0 if false. */
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static int
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is_memory_overlap(phys_addr_t ptr1, size_t len1, phys_addr_t ptr2, size_t len2)
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{
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if (ptr2 >= ptr1 && (ptr2 - ptr1) < len1)
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return 1;
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else if (ptr2 < ptr1 && (ptr1 - ptr2) < len2)
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return 1;
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return 0;
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}
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static int
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test_memzone_invalid_alignment(void)
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{
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const struct rte_memzone * mz;
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mz = rte_memzone_lookup("invalid_alignment");
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if (mz != NULL) {
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printf("Zone with invalid alignment has been reserved\n");
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return -1;
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}
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mz = rte_memzone_reserve_aligned("invalid_alignment", 100,
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SOCKET_ID_ANY, 0, 100);
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if (mz != NULL) {
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printf("Zone with invalid alignment has been reserved\n");
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return -1;
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}
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return 0;
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}
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static int
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test_memzone_reserving_zone_size_bigger_than_the_maximum(void)
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{
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const struct rte_memzone * mz;
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mz = rte_memzone_lookup("zone_size_bigger_than_the_maximum");
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if (mz != NULL) {
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printf("zone_size_bigger_than_the_maximum has been reserved\n");
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return -1;
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}
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mz = rte_memzone_reserve("zone_size_bigger_than_the_maximum", (size_t)-1,
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SOCKET_ID_ANY, 0);
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if (mz != NULL) {
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printf("It is impossible to reserve such big a memzone\n");
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return -1;
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}
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return 0;
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}
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static int
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test_memzone_reserve_flags(void)
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{
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const struct rte_memzone *mz;
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const struct rte_memseg *ms;
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int hugepage_2MB_avail = 0;
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int hugepage_1GB_avail = 0;
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int hugepage_16MB_avail = 0;
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int hugepage_16GB_avail = 0;
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const size_t size = 100;
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int i = 0;
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ms = rte_eal_get_physmem_layout();
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for (i = 0; i < RTE_MAX_MEMSEG; i++) {
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if (ms[i].hugepage_sz == RTE_PGSIZE_2M)
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hugepage_2MB_avail = 1;
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if (ms[i].hugepage_sz == RTE_PGSIZE_1G)
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hugepage_1GB_avail = 1;
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if (ms[i].hugepage_sz == RTE_PGSIZE_16M)
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hugepage_16MB_avail = 1;
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if (ms[i].hugepage_sz == RTE_PGSIZE_16G)
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hugepage_16GB_avail = 1;
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}
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/* Display the availability of 2MB ,1GB, 16MB, 16GB pages */
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if (hugepage_2MB_avail)
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printf("2MB Huge pages available\n");
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if (hugepage_1GB_avail)
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printf("1GB Huge pages available\n");
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if (hugepage_16MB_avail)
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printf("16MB Huge pages available\n");
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if (hugepage_16GB_avail)
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printf("16GB Huge pages available\n");
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/*
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* If 2MB pages available, check that a small memzone is correctly
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* reserved from 2MB huge pages when requested by the RTE_MEMZONE_2MB flag.
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* Also check that RTE_MEMZONE_SIZE_HINT_ONLY flag only defaults to an
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* available page size (i.e 1GB ) when 2MB pages are unavailable.
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*/
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if (hugepage_2MB_avail) {
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mz = rte_memzone_reserve("flag_zone_2M", size, SOCKET_ID_ANY,
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RTE_MEMZONE_2MB);
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if (mz == NULL) {
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printf("MEMZONE FLAG 2MB\n");
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return -1;
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}
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if (mz->hugepage_sz != RTE_PGSIZE_2M) {
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printf("hugepage_sz not equal 2M\n");
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return -1;
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}
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mz = rte_memzone_reserve("flag_zone_2M_HINT", size, SOCKET_ID_ANY,
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RTE_MEMZONE_2MB|RTE_MEMZONE_SIZE_HINT_ONLY);
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if (mz == NULL) {
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printf("MEMZONE FLAG 2MB\n");
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return -1;
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}
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if (mz->hugepage_sz != RTE_PGSIZE_2M) {
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printf("hugepage_sz not equal 2M\n");
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return -1;
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}
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/* Check if 1GB huge pages are unavailable, that function fails unless
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* HINT flag is indicated
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*/
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if (!hugepage_1GB_avail) {
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mz = rte_memzone_reserve("flag_zone_1G_HINT", size, SOCKET_ID_ANY,
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RTE_MEMZONE_1GB|RTE_MEMZONE_SIZE_HINT_ONLY);
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if (mz == NULL) {
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printf("MEMZONE FLAG 1GB & HINT\n");
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return -1;
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}
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if (mz->hugepage_sz != RTE_PGSIZE_2M) {
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printf("hugepage_sz not equal 2M\n");
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return -1;
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}
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mz = rte_memzone_reserve("flag_zone_1G", size, SOCKET_ID_ANY,
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RTE_MEMZONE_1GB);
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if (mz != NULL) {
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printf("MEMZONE FLAG 1GB\n");
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return -1;
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}
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}
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}
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/*As with 2MB tests above for 1GB huge page requests*/
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if (hugepage_1GB_avail) {
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mz = rte_memzone_reserve("flag_zone_1G", size, SOCKET_ID_ANY,
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RTE_MEMZONE_1GB);
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if (mz == NULL) {
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printf("MEMZONE FLAG 1GB\n");
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return -1;
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}
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if (mz->hugepage_sz != RTE_PGSIZE_1G) {
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printf("hugepage_sz not equal 1G\n");
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return -1;
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}
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mz = rte_memzone_reserve("flag_zone_1G_HINT", size, SOCKET_ID_ANY,
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RTE_MEMZONE_1GB|RTE_MEMZONE_SIZE_HINT_ONLY);
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if (mz == NULL) {
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printf("MEMZONE FLAG 1GB\n");
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return -1;
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}
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if (mz->hugepage_sz != RTE_PGSIZE_1G) {
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printf("hugepage_sz not equal 1G\n");
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return -1;
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}
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/* Check if 1GB huge pages are unavailable, that function fails unless
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* HINT flag is indicated
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*/
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if (!hugepage_2MB_avail) {
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mz = rte_memzone_reserve("flag_zone_2M_HINT", size, SOCKET_ID_ANY,
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RTE_MEMZONE_2MB|RTE_MEMZONE_SIZE_HINT_ONLY);
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if (mz == NULL){
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printf("MEMZONE FLAG 2MB & HINT\n");
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return -1;
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}
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if (mz->hugepage_sz != RTE_PGSIZE_1G) {
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printf("hugepage_sz not equal 1G\n");
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return -1;
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}
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mz = rte_memzone_reserve("flag_zone_2M", size, SOCKET_ID_ANY,
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RTE_MEMZONE_2MB);
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if (mz != NULL) {
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printf("MEMZONE FLAG 2MB\n");
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return -1;
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}
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}
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if (hugepage_2MB_avail && hugepage_1GB_avail) {
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mz = rte_memzone_reserve("flag_zone_2M_HINT", size, SOCKET_ID_ANY,
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RTE_MEMZONE_2MB|RTE_MEMZONE_1GB);
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if (mz != NULL) {
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printf("BOTH SIZES SET\n");
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return -1;
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}
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}
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}
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/*
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* This option is for IBM Power. If 16MB pages available, check
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* that a small memzone is correctly reserved from 16MB huge pages
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* when requested by the RTE_MEMZONE_16MB flag. Also check that
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* RTE_MEMZONE_SIZE_HINT_ONLY flag only defaults to an available
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* page size (i.e 16GB ) when 16MB pages are unavailable.
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*/
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if (hugepage_16MB_avail) {
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mz = rte_memzone_reserve("flag_zone_16M", size, SOCKET_ID_ANY,
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RTE_MEMZONE_16MB);
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if (mz == NULL) {
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printf("MEMZONE FLAG 16MB\n");
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return -1;
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}
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if (mz->hugepage_sz != RTE_PGSIZE_16M) {
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printf("hugepage_sz not equal 16M\n");
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return -1;
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}
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mz = rte_memzone_reserve("flag_zone_16M_HINT", size,
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SOCKET_ID_ANY, RTE_MEMZONE_16MB|RTE_MEMZONE_SIZE_HINT_ONLY);
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if (mz == NULL) {
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printf("MEMZONE FLAG 2MB\n");
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return -1;
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}
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if (mz->hugepage_sz != RTE_PGSIZE_16M) {
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printf("hugepage_sz not equal 16M\n");
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return -1;
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}
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/* Check if 1GB huge pages are unavailable, that function fails
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* unless HINT flag is indicated
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*/
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if (!hugepage_16GB_avail) {
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mz = rte_memzone_reserve("flag_zone_16G_HINT", size,
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SOCKET_ID_ANY,
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RTE_MEMZONE_16GB|RTE_MEMZONE_SIZE_HINT_ONLY);
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if (mz == NULL) {
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printf("MEMZONE FLAG 16GB & HINT\n");
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return -1;
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}
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if (mz->hugepage_sz != RTE_PGSIZE_16M) {
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printf("hugepage_sz not equal 16M\n");
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return -1;
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}
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mz = rte_memzone_reserve("flag_zone_16G", size,
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SOCKET_ID_ANY, RTE_MEMZONE_16GB);
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if (mz != NULL) {
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printf("MEMZONE FLAG 16GB\n");
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return -1;
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}
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}
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}
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/*As with 16MB tests above for 16GB huge page requests*/
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if (hugepage_16GB_avail) {
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mz = rte_memzone_reserve("flag_zone_16G", size, SOCKET_ID_ANY,
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RTE_MEMZONE_16GB);
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if (mz == NULL) {
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printf("MEMZONE FLAG 16GB\n");
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return -1;
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}
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if (mz->hugepage_sz != RTE_PGSIZE_16G) {
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printf("hugepage_sz not equal 16G\n");
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return -1;
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}
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mz = rte_memzone_reserve("flag_zone_16G_HINT", size,
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SOCKET_ID_ANY, RTE_MEMZONE_16GB|RTE_MEMZONE_SIZE_HINT_ONLY);
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if (mz == NULL) {
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printf("MEMZONE FLAG 16GB\n");
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return -1;
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}
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if (mz->hugepage_sz != RTE_PGSIZE_16G) {
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printf("hugepage_sz not equal 16G\n");
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return -1;
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}
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/* Check if 1GB huge pages are unavailable, that function fails
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* unless HINT flag is indicated
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*/
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if (!hugepage_16MB_avail) {
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mz = rte_memzone_reserve("flag_zone_16M_HINT", size,
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SOCKET_ID_ANY,
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RTE_MEMZONE_16MB|RTE_MEMZONE_SIZE_HINT_ONLY);
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if (mz == NULL) {
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printf("MEMZONE FLAG 16MB & HINT\n");
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return -1;
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}
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if (mz->hugepage_sz != RTE_PGSIZE_16G) {
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printf("hugepage_sz not equal 16G\n");
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return -1;
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}
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mz = rte_memzone_reserve("flag_zone_16M", size,
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SOCKET_ID_ANY, RTE_MEMZONE_16MB);
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if (mz != NULL) {
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printf("MEMZONE FLAG 16MB\n");
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return -1;
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}
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}
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if (hugepage_16MB_avail && hugepage_16GB_avail) {
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mz = rte_memzone_reserve("flag_zone_16M_HINT", size,
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SOCKET_ID_ANY,
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RTE_MEMZONE_16MB|RTE_MEMZONE_16GB);
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if (mz != NULL) {
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printf("BOTH SIZES SET\n");
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return -1;
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}
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}
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}
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return 0;
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}
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static int
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test_memzone_reserve_max(void)
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{
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const struct rte_memzone *mz;
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const struct rte_config *config;
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const struct rte_memseg *ms;
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int memseg_idx = 0;
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int memzone_idx = 0;
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size_t len = 0;
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void* last_addr;
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size_t maxlen = 0;
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/* get pointer to global configuration */
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config = rte_eal_get_configuration();
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ms = rte_eal_get_physmem_layout();
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for (memseg_idx = 0; memseg_idx < RTE_MAX_MEMSEG; memseg_idx++){
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/* ignore smaller memsegs as they can only get smaller */
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if (ms[memseg_idx].len < maxlen)
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continue;
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/* align everything */
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last_addr = RTE_PTR_ALIGN_CEIL(ms[memseg_idx].addr, RTE_CACHE_LINE_SIZE);
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len = ms[memseg_idx].len - RTE_PTR_DIFF(last_addr, ms[memseg_idx].addr);
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len &= ~((size_t) RTE_CACHE_LINE_MASK);
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/* cycle through all memzones */
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for (memzone_idx = 0; memzone_idx < RTE_MAX_MEMZONE; memzone_idx++) {
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/* stop when reaching last allocated memzone */
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if (config->mem_config->memzone[memzone_idx].addr == NULL)
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break;
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/* check if the memzone is in our memseg and subtract length */
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if ((config->mem_config->memzone[memzone_idx].addr >=
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ms[memseg_idx].addr) &&
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(config->mem_config->memzone[memzone_idx].addr <
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(RTE_PTR_ADD(ms[memseg_idx].addr, ms[memseg_idx].len)))) {
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/* since the zones can now be aligned and occasionally skip
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* some space, we should calculate the length based on
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* reported length and start addresses difference. Addresses
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* are allocated sequentially so we don't need to worry about
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* them being in the right order.
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*/
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len -= RTE_PTR_DIFF(
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config->mem_config->memzone[memzone_idx].addr,
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last_addr);
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len -= config->mem_config->memzone[memzone_idx].len;
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last_addr = RTE_PTR_ADD(config->mem_config->memzone[memzone_idx].addr,
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(size_t) config->mem_config->memzone[memzone_idx].len);
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}
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}
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/* we don't need to calculate offset here since length
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* is always cache-aligned */
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if (len > maxlen)
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maxlen = len;
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}
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if (maxlen == 0) {
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printf("There is no space left!\n");
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return 0;
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}
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mz = rte_memzone_reserve("max_zone", 0, SOCKET_ID_ANY, 0);
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if (mz == NULL){
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printf("Failed to reserve a big chunk of memory\n");
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rte_dump_physmem_layout(stdout);
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rte_memzone_dump(stdout);
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return -1;
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}
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if (mz->len != maxlen) {
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printf("Memzone reserve with 0 size did not return bigest block\n");
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printf("Expected size = %zu, actual size = %zu\n",
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maxlen, mz->len);
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rte_dump_physmem_layout(stdout);
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rte_memzone_dump(stdout);
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return -1;
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}
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return 0;
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}
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|
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static int
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test_memzone_reserve_max_aligned(void)
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{
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const struct rte_memzone *mz;
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const struct rte_config *config;
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const struct rte_memseg *ms;
|
|
int memseg_idx = 0;
|
|
int memzone_idx = 0;
|
|
uintptr_t addr_offset;
|
|
size_t len = 0;
|
|
void* last_addr;
|
|
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 */
|
|
|
|
/* get pointer to global configuration */
|
|
config = rte_eal_get_configuration();
|
|
|
|
ms = rte_eal_get_physmem_layout();
|
|
|
|
addr_offset = 0;
|
|
|
|
for (memseg_idx = 0; memseg_idx < RTE_MAX_MEMSEG; memseg_idx++){
|
|
|
|
/* ignore smaller memsegs as they can only get smaller */
|
|
if (ms[memseg_idx].len < maxlen)
|
|
continue;
|
|
|
|
/* align everything */
|
|
last_addr = RTE_PTR_ALIGN_CEIL(ms[memseg_idx].addr, RTE_CACHE_LINE_SIZE);
|
|
len = ms[memseg_idx].len - RTE_PTR_DIFF(last_addr, ms[memseg_idx].addr);
|
|
len &= ~((size_t) RTE_CACHE_LINE_MASK);
|
|
|
|
/* cycle through all memzones */
|
|
for (memzone_idx = 0; memzone_idx < RTE_MAX_MEMZONE; memzone_idx++) {
|
|
|
|
/* stop when reaching last allocated memzone */
|
|
if (config->mem_config->memzone[memzone_idx].addr == NULL)
|
|
break;
|
|
|
|
/* check if the memzone is in our memseg and subtract length */
|
|
if ((config->mem_config->memzone[memzone_idx].addr >=
|
|
ms[memseg_idx].addr) &&
|
|
(config->mem_config->memzone[memzone_idx].addr <
|
|
(RTE_PTR_ADD(ms[memseg_idx].addr, ms[memseg_idx].len)))) {
|
|
/* since the zones can now be aligned and occasionally skip
|
|
* some space, we should calculate the length based on
|
|
* reported length and start addresses difference.
|
|
*/
|
|
len -= (uintptr_t) RTE_PTR_SUB(
|
|
config->mem_config->memzone[memzone_idx].addr,
|
|
(uintptr_t) last_addr);
|
|
len -= config->mem_config->memzone[memzone_idx].len;
|
|
last_addr =
|
|
RTE_PTR_ADD(config->mem_config->memzone[memzone_idx].addr,
|
|
(size_t) config->mem_config->memzone[memzone_idx].len);
|
|
}
|
|
}
|
|
|
|
/* make sure we get the alignment offset */
|
|
if (len > maxlen) {
|
|
addr_offset = RTE_PTR_ALIGN_CEIL((uintptr_t) last_addr, align) - (uintptr_t) last_addr;
|
|
maxlen = len;
|
|
}
|
|
}
|
|
|
|
if (maxlen == 0 || maxlen == addr_offset) {
|
|
printf("There is no space left for biggest %u-aligned memzone!\n", align);
|
|
return 0;
|
|
}
|
|
|
|
maxlen -= addr_offset;
|
|
|
|
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\n");
|
|
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_reserve_memory_in_smallest_segment(void)
|
|
{
|
|
const struct rte_memzone *mz;
|
|
const struct rte_memseg *ms, *min_ms, *prev_min_ms;
|
|
size_t min_len, prev_min_len;
|
|
const struct rte_config *config;
|
|
int i;
|
|
|
|
config = rte_eal_get_configuration();
|
|
|
|
min_ms = NULL; /*< smallest segment */
|
|
prev_min_ms = NULL; /*< second smallest segment */
|
|
|
|
/* find two smallest segments */
|
|
for (i = 0; i < RTE_MAX_MEMSEG; i++) {
|
|
ms = &config->mem_config->free_memseg[i];
|
|
|
|
if (ms->addr == NULL)
|
|
break;
|
|
if (ms->len == 0)
|
|
continue;
|
|
|
|
if (min_ms == NULL)
|
|
min_ms = ms;
|
|
else if (min_ms->len > ms->len) {
|
|
/* set last smallest to second last */
|
|
prev_min_ms = min_ms;
|
|
|
|
/* set new smallest */
|
|
min_ms = ms;
|
|
} else if ((prev_min_ms == NULL)
|
|
|| (prev_min_ms->len > ms->len))
|
|
prev_min_ms = ms;
|
|
}
|
|
|
|
if (min_ms == NULL || prev_min_ms == NULL) {
|
|
printf("Smallest segments not found!\n");
|
|
return -1;
|
|
}
|
|
|
|
min_len = min_ms->len;
|
|
prev_min_len = prev_min_ms->len;
|
|
|
|
/* try reserving a memzone in the smallest memseg */
|
|
mz = rte_memzone_reserve("smallest_mz", RTE_CACHE_LINE_SIZE,
|
|
SOCKET_ID_ANY, 0);
|
|
if (mz == NULL) {
|
|
printf("Failed to reserve memory from smallest memseg!\n");
|
|
return -1;
|
|
}
|
|
if (prev_min_ms->len != prev_min_len &&
|
|
min_ms->len != min_len - RTE_CACHE_LINE_SIZE) {
|
|
printf("Reserved memory from wrong memseg!\n");
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* this test is a bit tricky, and thus warrants explanation.
|
|
*
|
|
* first, we find two smallest memsegs to conduct our experiments on.
|
|
*
|
|
* then, we bring them within alignment from each other: if second segment is
|
|
* twice+ as big as the first, reserve memory from that segment; if second
|
|
* segment is comparable in length to the first, then cut the first segment
|
|
* down until it becomes less than half of second segment, and then cut down
|
|
* the second segment to be within alignment of the first.
|
|
*
|
|
* then, we have to pass the following test: if segments are within alignment
|
|
* of each other (that is, the difference is less than 256 bytes, which is what
|
|
* our alignment will be), segment with smallest offset should be picked.
|
|
*
|
|
* we know that min_ms will be our smallest segment, so we need to make sure
|
|
* that we adjust the alignments so that the bigger segment has smallest
|
|
* alignment (in our case, smallest segment will have 64-byte alignment, while
|
|
* bigger segment will have 128-byte alignment).
|
|
*/
|
|
static int
|
|
test_memzone_reserve_memory_with_smallest_offset(void)
|
|
{
|
|
const struct rte_memseg *ms, *min_ms, *prev_min_ms;
|
|
size_t len, min_len, prev_min_len;
|
|
const struct rte_config *config;
|
|
int i, align;
|
|
|
|
config = rte_eal_get_configuration();
|
|
|
|
min_ms = NULL; /*< smallest segment */
|
|
prev_min_ms = NULL; /*< second smallest segment */
|
|
align = RTE_CACHE_LINE_SIZE * 4;
|
|
|
|
/* find two smallest segments */
|
|
for (i = 0; i < RTE_MAX_MEMSEG; i++) {
|
|
ms = &config->mem_config->free_memseg[i];
|
|
|
|
if (ms->addr == NULL)
|
|
break;
|
|
if (ms->len == 0)
|
|
continue;
|
|
|
|
if (min_ms == NULL)
|
|
min_ms = ms;
|
|
else if (min_ms->len > ms->len) {
|
|
/* set last smallest to second last */
|
|
prev_min_ms = min_ms;
|
|
|
|
/* set new smallest */
|
|
min_ms = ms;
|
|
} else if ((prev_min_ms == NULL)
|
|
|| (prev_min_ms->len > ms->len)) {
|
|
prev_min_ms = ms;
|
|
}
|
|
}
|
|
|
|
if (min_ms == NULL || prev_min_ms == NULL) {
|
|
printf("Smallest segments not found!\n");
|
|
return -1;
|
|
}
|
|
|
|
prev_min_len = prev_min_ms->len;
|
|
min_len = min_ms->len;
|
|
|
|
/* if smallest segment is bigger than half of bigger segment */
|
|
if (prev_min_ms->len - min_ms->len <= min_ms->len) {
|
|
|
|
len = (min_ms->len * 2) - prev_min_ms->len;
|
|
|
|
/* make sure final length is *not* aligned */
|
|
while (((min_ms->addr_64 + len) & (align-1)) == 0)
|
|
len += RTE_CACHE_LINE_SIZE;
|
|
|
|
if (rte_memzone_reserve("dummy_mz1", len, SOCKET_ID_ANY, 0) == NULL) {
|
|
printf("Cannot reserve memory!\n");
|
|
return -1;
|
|
}
|
|
|
|
/* check if we got memory from correct segment */
|
|
if (min_ms->len != min_len - len) {
|
|
printf("Reserved memory from wrong segment!\n");
|
|
return -1;
|
|
}
|
|
}
|
|
/* if we don't need to touch smallest segment but it's aligned */
|
|
else if ((min_ms->addr_64 & (align-1)) == 0) {
|
|
if (rte_memzone_reserve("align_mz1", RTE_CACHE_LINE_SIZE,
|
|
SOCKET_ID_ANY, 0) == NULL) {
|
|
printf("Cannot reserve memory!\n");
|
|
return -1;
|
|
}
|
|
if (min_ms->len != min_len - RTE_CACHE_LINE_SIZE) {
|
|
printf("Reserved memory from wrong segment!\n");
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
/* if smallest segment is less than half of bigger segment */
|
|
if (prev_min_ms->len - min_ms->len > min_ms->len) {
|
|
len = prev_min_ms->len - min_ms->len - align;
|
|
|
|
/* make sure final length is aligned */
|
|
while (((prev_min_ms->addr_64 + len) & (align-1)) != 0)
|
|
len += RTE_CACHE_LINE_SIZE;
|
|
|
|
if (rte_memzone_reserve("dummy_mz2", len, SOCKET_ID_ANY, 0) == NULL) {
|
|
printf("Cannot reserve memory!\n");
|
|
return -1;
|
|
}
|
|
|
|
/* check if we got memory from correct segment */
|
|
if (prev_min_ms->len != prev_min_len - len) {
|
|
printf("Reserved memory from wrong segment!\n");
|
|
return -1;
|
|
}
|
|
}
|
|
len = RTE_CACHE_LINE_SIZE;
|
|
|
|
|
|
|
|
prev_min_len = prev_min_ms->len;
|
|
min_len = min_ms->len;
|
|
|
|
if (min_len >= prev_min_len || prev_min_len - min_len > (unsigned) align) {
|
|
printf("Segments are of wrong lengths!\n");
|
|
return -1;
|
|
}
|
|
|
|
/* try reserving from a bigger segment */
|
|
if (rte_memzone_reserve_aligned("smallest_offset", len, SOCKET_ID_ANY, 0, align) ==
|
|
NULL) {
|
|
printf("Cannot reserve memory!\n");
|
|
return -1;
|
|
}
|
|
|
|
/* check if we got memory from correct segment */
|
|
if (min_ms->len != min_len && prev_min_ms->len != (prev_min_len - len)) {
|
|
printf("Reserved memory from segment with smaller offset!\n");
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
test_memzone_reserve_remainder(void)
|
|
{
|
|
const struct rte_memzone *mz1, *mz2;
|
|
const struct rte_memseg *ms, *min_ms = NULL;
|
|
size_t min_len;
|
|
const struct rte_config *config;
|
|
int i, align;
|
|
|
|
min_len = 0;
|
|
align = RTE_CACHE_LINE_SIZE;
|
|
|
|
config = rte_eal_get_configuration();
|
|
|
|
/* find minimum free contiguous length */
|
|
for (i = 0; i < RTE_MAX_MEMSEG; i++) {
|
|
ms = &config->mem_config->free_memseg[i];
|
|
|
|
if (ms->addr == NULL)
|
|
break;
|
|
if (ms->len == 0)
|
|
continue;
|
|
|
|
if (min_len == 0 || ms->len < min_len) {
|
|
min_len = ms->len;
|
|
min_ms = ms;
|
|
|
|
/* find maximum alignment this segment is able to hold */
|
|
align = RTE_CACHE_LINE_SIZE;
|
|
while ((ms->addr_64 & (align-1)) == 0) {
|
|
align <<= 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (min_ms == NULL) {
|
|
printf("Minimal sized segment not found!\n");
|
|
return -1;
|
|
}
|
|
|
|
/* try reserving min_len bytes with alignment - this should not affect our
|
|
* memseg, the memory will be taken from a different one.
|
|
*/
|
|
mz1 = rte_memzone_reserve_aligned("reserve_remainder_1", min_len,
|
|
SOCKET_ID_ANY, 0, align);
|
|
if (mz1 == NULL) {
|
|
printf("Failed to reserve %zu bytes aligned on %i bytes\n", min_len,
|
|
align);
|
|
return -1;
|
|
}
|
|
if (min_ms->len != min_len) {
|
|
printf("Memseg memory should not have been reserved!\n");
|
|
return -1;
|
|
}
|
|
|
|
/* try reserving min_len bytes with less alignment - this should fill up
|
|
* the segment.
|
|
*/
|
|
mz2 = rte_memzone_reserve("reserve_remainder_2", min_len,
|
|
SOCKET_ID_ANY, 0);
|
|
if (mz2 == NULL) {
|
|
printf("Failed to reserve %zu bytes\n", min_len);
|
|
return -1;
|
|
}
|
|
if (min_ms->len != 0) {
|
|
printf("Memseg memory should have been reserved!\n");
|
|
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 reserving memzone with bigger size than the maximum\n");
|
|
if (test_memzone_reserving_zone_size_bigger_than_the_maximum() < 0)
|
|
return -1;
|
|
|
|
printf("test reserving memory in smallest segments\n");
|
|
if (test_memzone_reserve_memory_in_smallest_segment() < 0)
|
|
return -1;
|
|
|
|
printf("test reserving memory in segments with smallest offsets\n");
|
|
if (test_memzone_reserve_memory_with_smallest_offset() < 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 amounts of memory equal to segment's length\n");
|
|
if (test_memzone_reserve_remainder() < 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);
|