639 lines
19 KiB
C
639 lines
19 KiB
C
/*-
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* BSD LICENSE
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*
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* Copyright(c) 2010-2012 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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*/
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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 <cmdline_parse.h>
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#include <rte_memory.h>
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#include <rte_memzone.h>
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#include <rte_tailq.h>
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#include <rte_eal.h>
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#include <rte_common.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", 0x1900000000ULL,
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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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const int 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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}
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/* Display the availability of 2MB and 1GB 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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/*
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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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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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uint64_t len = 0;
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void* last_addr;
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uint64_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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len = ms[memseg_idx].len;
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last_addr = ms[memseg_idx].addr;
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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,
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(size_t)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 -= (uintptr_t) RTE_PTR_SUB(
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config->mem_config->memzone[memzone_idx].addr,
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(uintptr_t) last_addr);
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len -= config->mem_config->memzone[memzone_idx].len;
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last_addr =
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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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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();
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rte_memzone_dump();
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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 = %" PRIu64 ", actual size = %" PRIu64 "\n",
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maxlen, mz->len);
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rte_dump_physmem_layout();
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rte_memzone_dump();
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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_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;
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int memseg_idx = 0;
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int memzone_idx = 0;
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uint64_t addr_offset, len = 0;
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void* last_addr;
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uint64_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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addr_offset = 0;
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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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len = ms[memseg_idx].len;
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last_addr = ms[memseg_idx].addr;
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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,
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(size_t) 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.
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*/
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len -= (uintptr_t) RTE_PTR_SUB(
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config->mem_config->memzone[memzone_idx].addr,
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(uintptr_t) last_addr);
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len -= config->mem_config->memzone[memzone_idx].len;
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last_addr =
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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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/* make sure we get the alignment offset */
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if (len > maxlen) {
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addr_offset = RTE_ALIGN_CEIL((uintptr_t) last_addr, 512) - (uintptr_t) last_addr;
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maxlen = len;
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}
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}
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maxlen -= addr_offset;
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mz = rte_memzone_reserve_aligned("max_zone_aligned", 0,
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SOCKET_ID_ANY, 0, 512);
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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();
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rte_memzone_dump();
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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 and alignment 512 did not return"
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" bigest block\n");
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printf("Expected size = %" PRIu64 ", actual size = %" PRIu64 "\n",
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maxlen, mz->len);
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rte_dump_physmem_layout();
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rte_memzone_dump();
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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_aligned(void)
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{
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const struct rte_memzone *memzone_aligned_32;
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const struct rte_memzone *memzone_aligned_128;
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const struct rte_memzone *memzone_aligned_256;
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const struct rte_memzone *memzone_aligned_512;
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const struct rte_memzone *memzone_aligned_1024;
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/* memzone that should automatically be adjusted to align on 64 bytes */
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memzone_aligned_32 = rte_memzone_lookup("aligned_32");
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if (memzone_aligned_32 == NULL)
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memzone_aligned_32 = rte_memzone_reserve_aligned("aligned_32", 100,
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SOCKET_ID_ANY, 0, 32);
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/* memzone that is supposed to be aligned on a 128 byte boundary */
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memzone_aligned_128 = rte_memzone_lookup("aligned_128");
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if (memzone_aligned_128 == NULL)
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memzone_aligned_128 = rte_memzone_reserve_aligned("aligned_128", 100,
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SOCKET_ID_ANY, 0, 128);
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/* memzone that is supposed to be aligned on a 256 byte boundary */
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memzone_aligned_256 = rte_memzone_lookup("aligned_256");
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if (memzone_aligned_256 == NULL)
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memzone_aligned_256 = rte_memzone_reserve_aligned("aligned_256", 100,
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SOCKET_ID_ANY, 0, 256);
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/* memzone that is supposed to be aligned on a 512 byte boundary */
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memzone_aligned_512 = rte_memzone_lookup("aligned_512");
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if (memzone_aligned_512 == NULL)
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memzone_aligned_512 = rte_memzone_reserve_aligned("aligned_512", 100,
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SOCKET_ID_ANY, 0, 512);
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/* memzone that is supposed to be aligned on a 1024 byte boundary */
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memzone_aligned_1024 = rte_memzone_lookup("aligned_1024");
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if (memzone_aligned_1024 == NULL)
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memzone_aligned_1024 = rte_memzone_reserve_aligned("aligned_1024", 100,
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SOCKET_ID_ANY, 0, 1024);
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printf("check alignments and lengths\n");
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if ((memzone_aligned_32->phys_addr & CACHE_LINE_MASK) != 0)
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return -1;
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if (((uintptr_t) memzone_aligned_32->addr & CACHE_LINE_MASK) != 0)
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return -1;
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if ((memzone_aligned_32->len & CACHE_LINE_MASK) != 0)
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return -1;
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if ((memzone_aligned_128->phys_addr & 127) != 0)
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return -1;
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if (((uintptr_t) memzone_aligned_128->addr & 127) != 0)
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return -1;
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if ((memzone_aligned_128->len & CACHE_LINE_MASK) != 0)
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return -1;
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if ((memzone_aligned_256->phys_addr & 255) != 0)
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return -1;
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if (((uintptr_t) memzone_aligned_256->addr & 255) != 0)
|
|
return -1;
|
|
if ((memzone_aligned_256->len & CACHE_LINE_MASK) != 0)
|
|
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 & CACHE_LINE_MASK) != 0)
|
|
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 & 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;
|
|
}
|
|
|
|
int
|
|
test_memzone(void)
|
|
{
|
|
const struct rte_memzone *memzone1;
|
|
const struct rte_memzone *memzone2;
|
|
const struct rte_memzone *memzone3;
|
|
const struct rte_memzone *mz;
|
|
|
|
memzone1 = rte_memzone_lookup("testzone1");
|
|
if (memzone1 == NULL)
|
|
memzone1 = rte_memzone_reserve("testzone1", 100,
|
|
SOCKET_ID_ANY, 0);
|
|
|
|
memzone2 = rte_memzone_lookup("testzone2");
|
|
if (memzone2 == NULL)
|
|
memzone2 = rte_memzone_reserve("testzone2", 1000,
|
|
0, 0);
|
|
|
|
memzone3 = rte_memzone_lookup("testzone3");
|
|
if (memzone3 == NULL)
|
|
memzone3 = rte_memzone_reserve("testzone3", 1000,
|
|
1, 0);
|
|
|
|
/* memzone3 may be NULL if we don't have NUMA */
|
|
if (memzone1 == NULL || memzone2 == NULL)
|
|
return -1;
|
|
|
|
rte_memzone_dump();
|
|
|
|
/* check cache-line alignments */
|
|
printf("check alignments and lengths\n");
|
|
|
|
if ((memzone1->phys_addr & CACHE_LINE_MASK) != 0)
|
|
return -1;
|
|
if ((memzone2->phys_addr & CACHE_LINE_MASK) != 0)
|
|
return -1;
|
|
if (memzone3 != NULL && (memzone3->phys_addr & CACHE_LINE_MASK) != 0)
|
|
return -1;
|
|
if ((memzone1->len & CACHE_LINE_MASK) != 0 || memzone1->len == 0)
|
|
return -1;
|
|
if ((memzone2->len & CACHE_LINE_MASK) != 0 || memzone2->len == 0)
|
|
return -1;
|
|
if (memzone3 != NULL && ((memzone3->len & CACHE_LINE_MASK) != 0 ||
|
|
memzone3->len == 0))
|
|
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 the largest size memzone possible\n");
|
|
if (test_memzone_reserve_max() < 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 invalid alignment for memzone_reserve\n");
|
|
if (test_memzone_invalid_alignment() < 0)
|
|
return -1;
|
|
|
|
printf("test reserving the largest size aligned memzone possible\n");
|
|
if (test_memzone_reserve_max_aligned() < 0)
|
|
return -1;
|
|
|
|
return 0;
|
|
}
|