-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2014 Intel Corporation
*/
#include <stdio.h>
#include <stdint.h>
+#include <string.h>
#include <inttypes.h>
#include <sys/queue.h>
#include <rte_cycles.h>
#include <rte_memory.h>
#include <rte_memzone.h>
-#include <rte_tailq.h>
#include <rte_eal.h>
-#include <rte_eal_memconfig.h>
#include <rte_common.h>
#include <rte_string_fns.h>
+#include <rte_errno.h>
+#include <rte_malloc.h>
+#include "../../lib/librte_eal/common/malloc_elem.h"
+#include "../../lib/librte_eal/common/eal_memcfg.h"
#include "test.h"
* - Check flags for specific huge page size reservation
*/
+#define TEST_MEMZONE_NAME(suffix) "MZ_TEST_" suffix
+
/* Test if memory overlaps: return 1 if true, or 0 if false. */
static int
-is_memory_overlap(phys_addr_t ptr1, size_t len1, phys_addr_t ptr2, size_t len2)
+is_memory_overlap(rte_iova_t ptr1, size_t len1, rte_iova_t ptr2, size_t len2)
{
if (ptr2 >= ptr1 && (ptr2 - ptr1) < len1)
return 1;
{
const struct rte_memzone * mz;
- mz = rte_memzone_lookup("invalid_alignment");
+ mz = rte_memzone_lookup(TEST_MEMZONE_NAME("invalid_alignment"));
if (mz != NULL) {
printf("Zone with invalid alignment has been reserved\n");
return -1;
}
- mz = rte_memzone_reserve_aligned("invalid_alignment", 100,
- SOCKET_ID_ANY, 0, 100);
+ mz = rte_memzone_reserve_aligned(TEST_MEMZONE_NAME("invalid_alignment"),
+ 100, SOCKET_ID_ANY, 0, 100);
if (mz != NULL) {
printf("Zone with invalid alignment has been reserved\n");
return -1;
{
const struct rte_memzone * mz;
- mz = rte_memzone_lookup("zone_size_bigger_than_the_maximum");
+ mz = rte_memzone_lookup(
+ TEST_MEMZONE_NAME("zone_size_bigger_than_the_maximum"));
if (mz != NULL) {
printf("zone_size_bigger_than_the_maximum has been reserved\n");
return -1;
}
- mz = rte_memzone_reserve("zone_size_bigger_than_the_maximum", (size_t)-1,
- SOCKET_ID_ANY, 0);
+ mz = rte_memzone_reserve(
+ TEST_MEMZONE_NAME("zone_size_bigger_than_the_maximum"),
+ (size_t)-1, SOCKET_ID_ANY, 0);
if (mz != NULL) {
printf("It is impossible to reserve such big a memzone\n");
return -1;
return 0;
}
+struct walk_arg {
+ int hugepage_2MB_avail;
+ int hugepage_1GB_avail;
+ int hugepage_16MB_avail;
+ int hugepage_16GB_avail;
+};
+static int
+find_available_pagesz(const struct rte_memseg_list *msl, void *arg)
+{
+ struct walk_arg *wa = arg;
+
+ if (msl->external)
+ return 0;
+
+ if (msl->page_sz == RTE_PGSIZE_2M)
+ wa->hugepage_2MB_avail = 1;
+ if (msl->page_sz == RTE_PGSIZE_1G)
+ wa->hugepage_1GB_avail = 1;
+ if (msl->page_sz == RTE_PGSIZE_16M)
+ wa->hugepage_16MB_avail = 1;
+ if (msl->page_sz == RTE_PGSIZE_16G)
+ wa->hugepage_16GB_avail = 1;
+
+ return 0;
+}
+
static int
test_memzone_reserve_flags(void)
{
const struct rte_memzone *mz;
- const struct rte_memseg *ms;
- int hugepage_2MB_avail = 0;
- int hugepage_1GB_avail = 0;
+ struct walk_arg wa;
+ int hugepage_2MB_avail, hugepage_1GB_avail;
+ int hugepage_16MB_avail, hugepage_16GB_avail;
const size_t size = 100;
- int i = 0;
- ms = rte_eal_get_physmem_layout();
- for (i = 0; i < RTE_MAX_MEMSEG; i++) {
- if (ms[i].hugepage_sz == RTE_PGSIZE_2M)
- hugepage_2MB_avail = 1;
- if (ms[i].hugepage_sz == RTE_PGSIZE_1G)
- hugepage_1GB_avail = 1;
- }
- /* Display the availability of 2MB and 1GB pages */
+
+ memset(&wa, 0, sizeof(wa));
+
+ rte_memseg_list_walk(find_available_pagesz, &wa);
+
+ hugepage_2MB_avail = wa.hugepage_2MB_avail;
+ hugepage_1GB_avail = wa.hugepage_1GB_avail;
+ hugepage_16MB_avail = wa.hugepage_16MB_avail;
+ hugepage_16GB_avail = wa.hugepage_16GB_avail;
+
+ /* Display the availability of 2MB ,1GB, 16MB, 16GB pages */
if (hugepage_2MB_avail)
printf("2MB Huge pages available\n");
if (hugepage_1GB_avail)
printf("1GB Huge pages available\n");
+ if (hugepage_16MB_avail)
+ printf("16MB Huge pages available\n");
+ if (hugepage_16GB_avail)
+ printf("16GB Huge pages available\n");
/*
* If 2MB pages available, check that a small memzone is correctly
* reserved from 2MB huge pages when requested by the RTE_MEMZONE_2MB flag.
* available page size (i.e 1GB ) when 2MB pages are unavailable.
*/
if (hugepage_2MB_avail) {
- mz = rte_memzone_reserve("flag_zone_2M", size, SOCKET_ID_ANY,
- RTE_MEMZONE_2MB);
+ mz = rte_memzone_reserve(TEST_MEMZONE_NAME("flag_zone_2M"),
+ size, SOCKET_ID_ANY, RTE_MEMZONE_2MB);
if (mz == NULL) {
printf("MEMZONE FLAG 2MB\n");
return -1;
printf("hugepage_sz not equal 2M\n");
return -1;
}
+ if (rte_memzone_free(mz)) {
+ printf("Fail memzone free\n");
+ return -1;
+ }
- mz = rte_memzone_reserve("flag_zone_2M_HINT", size, SOCKET_ID_ANY,
+ mz = rte_memzone_reserve(TEST_MEMZONE_NAME("flag_zone_2M_HINT"),
+ size, SOCKET_ID_ANY,
RTE_MEMZONE_2MB|RTE_MEMZONE_SIZE_HINT_ONLY);
if (mz == NULL) {
printf("MEMZONE FLAG 2MB\n");
printf("hugepage_sz not equal 2M\n");
return -1;
}
+ if (rte_memzone_free(mz)) {
+ printf("Fail memzone free\n");
+ return -1;
+ }
/* Check if 1GB huge pages are unavailable, that function fails unless
* HINT flag is indicated
*/
if (!hugepage_1GB_avail) {
- mz = rte_memzone_reserve("flag_zone_1G_HINT", size, SOCKET_ID_ANY,
+ mz = rte_memzone_reserve(
+ TEST_MEMZONE_NAME("flag_zone_1G_HINT"),
+ size, SOCKET_ID_ANY,
RTE_MEMZONE_1GB|RTE_MEMZONE_SIZE_HINT_ONLY);
if (mz == NULL) {
printf("MEMZONE FLAG 1GB & HINT\n");
printf("hugepage_sz not equal 2M\n");
return -1;
}
+ if (rte_memzone_free(mz)) {
+ printf("Fail memzone free\n");
+ return -1;
+ }
- mz = rte_memzone_reserve("flag_zone_1G", size, SOCKET_ID_ANY,
- RTE_MEMZONE_1GB);
+ mz = rte_memzone_reserve(
+ TEST_MEMZONE_NAME("flag_zone_1G"), size,
+ SOCKET_ID_ANY, RTE_MEMZONE_1GB);
if (mz != NULL) {
printf("MEMZONE FLAG 1GB\n");
return -1;
/*As with 2MB tests above for 1GB huge page requests*/
if (hugepage_1GB_avail) {
- mz = rte_memzone_reserve("flag_zone_1G", size, SOCKET_ID_ANY,
- RTE_MEMZONE_1GB);
+ mz = rte_memzone_reserve(TEST_MEMZONE_NAME("flag_zone_1G"),
+ size, SOCKET_ID_ANY, RTE_MEMZONE_1GB);
if (mz == NULL) {
printf("MEMZONE FLAG 1GB\n");
return -1;
printf("hugepage_sz not equal 1G\n");
return -1;
}
+ if (rte_memzone_free(mz)) {
+ printf("Fail memzone free\n");
+ return -1;
+ }
- mz = rte_memzone_reserve("flag_zone_1G_HINT", size, SOCKET_ID_ANY,
+ mz = rte_memzone_reserve(TEST_MEMZONE_NAME("flag_zone_1G_HINT"),
+ size, SOCKET_ID_ANY,
RTE_MEMZONE_1GB|RTE_MEMZONE_SIZE_HINT_ONLY);
if (mz == NULL) {
printf("MEMZONE FLAG 1GB\n");
printf("hugepage_sz not equal 1G\n");
return -1;
}
+ if (rte_memzone_free(mz)) {
+ printf("Fail memzone free\n");
+ return -1;
+ }
/* Check if 1GB huge pages are unavailable, that function fails unless
* HINT flag is indicated
*/
if (!hugepage_2MB_avail) {
- mz = rte_memzone_reserve("flag_zone_2M_HINT", size, SOCKET_ID_ANY,
+ mz = rte_memzone_reserve(
+ TEST_MEMZONE_NAME("flag_zone_2M_HINT"),
+ size, SOCKET_ID_ANY,
RTE_MEMZONE_2MB|RTE_MEMZONE_SIZE_HINT_ONLY);
if (mz == NULL){
printf("MEMZONE FLAG 2MB & HINT\n");
printf("hugepage_sz not equal 1G\n");
return -1;
}
- mz = rte_memzone_reserve("flag_zone_2M", size, SOCKET_ID_ANY,
- RTE_MEMZONE_2MB);
+ if (rte_memzone_free(mz)) {
+ printf("Fail memzone free\n");
+ return -1;
+ }
+ mz = rte_memzone_reserve(
+ TEST_MEMZONE_NAME("flag_zone_2M"), size,
+ SOCKET_ID_ANY, RTE_MEMZONE_2MB);
if (mz != NULL) {
printf("MEMZONE FLAG 2MB\n");
return -1;
}
if (hugepage_2MB_avail && hugepage_1GB_avail) {
- mz = rte_memzone_reserve("flag_zone_2M_HINT", size, SOCKET_ID_ANY,
- RTE_MEMZONE_2MB|RTE_MEMZONE_1GB);
+ mz = rte_memzone_reserve(
+ TEST_MEMZONE_NAME("flag_zone_2M_HINT"),
+ size, SOCKET_ID_ANY,
+ RTE_MEMZONE_2MB|RTE_MEMZONE_1GB);
+ if (mz == NULL) {
+ printf("BOTH SIZES SET\n");
+ return -1;
+ }
+ if (mz->hugepage_sz != RTE_PGSIZE_1G &&
+ mz->hugepage_sz != RTE_PGSIZE_2M) {
+ printf("Wrong size when both sizes set\n");
+ return -1;
+ }
+ if (rte_memzone_free(mz)) {
+ printf("Fail memzone free\n");
+ return -1;
+ }
+ }
+ }
+ /*
+ * This option is for IBM Power. If 16MB pages available, check
+ * that a small memzone is correctly reserved from 16MB huge pages
+ * when requested by the RTE_MEMZONE_16MB flag. Also check that
+ * RTE_MEMZONE_SIZE_HINT_ONLY flag only defaults to an available
+ * page size (i.e 16GB ) when 16MB pages are unavailable.
+ */
+ if (hugepage_16MB_avail) {
+ mz = rte_memzone_reserve(TEST_MEMZONE_NAME("flag_zone_16M"),
+ size, SOCKET_ID_ANY, RTE_MEMZONE_16MB);
+ if (mz == NULL) {
+ printf("MEMZONE FLAG 16MB\n");
+ return -1;
+ }
+ if (mz->hugepage_sz != RTE_PGSIZE_16M) {
+ printf("hugepage_sz not equal 16M\n");
+ return -1;
+ }
+ if (rte_memzone_free(mz)) {
+ printf("Fail memzone free\n");
+ return -1;
+ }
+
+ mz = rte_memzone_reserve(
+ TEST_MEMZONE_NAME("flag_zone_16M_HINT"), size,
+ SOCKET_ID_ANY,
+ RTE_MEMZONE_16MB|RTE_MEMZONE_SIZE_HINT_ONLY);
+ if (mz == NULL) {
+ printf("MEMZONE FLAG 16MB\n");
+ return -1;
+ }
+ if (mz->hugepage_sz != RTE_PGSIZE_16M) {
+ printf("hugepage_sz not equal 16M\n");
+ return -1;
+ }
+ if (rte_memzone_free(mz)) {
+ printf("Fail memzone free\n");
+ return -1;
+ }
+
+ /* Check if 1GB huge pages are unavailable, that function fails
+ * unless HINT flag is indicated
+ */
+ if (!hugepage_16GB_avail) {
+ mz = rte_memzone_reserve(
+ TEST_MEMZONE_NAME("flag_zone_16G_HINT"),
+ size, SOCKET_ID_ANY,
+ RTE_MEMZONE_16GB |
+ RTE_MEMZONE_SIZE_HINT_ONLY);
+ if (mz == NULL) {
+ printf("MEMZONE FLAG 16GB & HINT\n");
+ return -1;
+ }
+ if (mz->hugepage_sz != RTE_PGSIZE_16M) {
+ printf("hugepage_sz not equal 16M\n");
+ return -1;
+ }
+ if (rte_memzone_free(mz)) {
+ printf("Fail memzone free\n");
+ return -1;
+ }
+
+ mz = rte_memzone_reserve(
+ TEST_MEMZONE_NAME("flag_zone_16G"),
+ size,
+ SOCKET_ID_ANY, RTE_MEMZONE_16GB);
+ if (mz != NULL) {
+ printf("MEMZONE FLAG 16GB\n");
+ return -1;
+ }
+ }
+ }
+ /*As with 16MB tests above for 16GB huge page requests*/
+ if (hugepage_16GB_avail) {
+ mz = rte_memzone_reserve(TEST_MEMZONE_NAME("flag_zone_16G"),
+ size, SOCKET_ID_ANY, RTE_MEMZONE_16GB);
+ if (mz == NULL) {
+ printf("MEMZONE FLAG 16GB\n");
+ return -1;
+ }
+ if (mz->hugepage_sz != RTE_PGSIZE_16G) {
+ printf("hugepage_sz not equal 16G\n");
+ return -1;
+ }
+ if (rte_memzone_free(mz)) {
+ printf("Fail memzone free\n");
+ return -1;
+ }
+
+ mz = rte_memzone_reserve(
+ TEST_MEMZONE_NAME("flag_zone_16G_HINT"), size,
+ SOCKET_ID_ANY,
+ RTE_MEMZONE_16GB|RTE_MEMZONE_SIZE_HINT_ONLY);
+ if (mz == NULL) {
+ printf("MEMZONE FLAG 16GB\n");
+ return -1;
+ }
+ if (mz->hugepage_sz != RTE_PGSIZE_16G) {
+ printf("hugepage_sz not equal 16G\n");
+ return -1;
+ }
+ if (rte_memzone_free(mz)) {
+ printf("Fail memzone free\n");
+ return -1;
+ }
+
+ /* Check if 1GB huge pages are unavailable, that function fails
+ * unless HINT flag is indicated
+ */
+ if (!hugepage_16MB_avail) {
+ mz = rte_memzone_reserve(
+ TEST_MEMZONE_NAME("flag_zone_16M_HINT"),
+ size, SOCKET_ID_ANY,
+ RTE_MEMZONE_16MB |
+ RTE_MEMZONE_SIZE_HINT_ONLY);
+ if (mz == NULL) {
+ printf("MEMZONE FLAG 16MB & HINT\n");
+ return -1;
+ }
+ if (mz->hugepage_sz != RTE_PGSIZE_16G) {
+ printf("hugepage_sz not equal 16G\n");
+ return -1;
+ }
+ if (rte_memzone_free(mz)) {
+ printf("Fail memzone free\n");
+ return -1;
+ }
+ mz = rte_memzone_reserve(
+ TEST_MEMZONE_NAME("flag_zone_16M"),
+ size, SOCKET_ID_ANY, RTE_MEMZONE_16MB);
if (mz != NULL) {
+ printf("MEMZONE FLAG 16MB\n");
+ return -1;
+ }
+ }
+
+ if (hugepage_16MB_avail && hugepage_16GB_avail) {
+ mz = rte_memzone_reserve(
+ TEST_MEMZONE_NAME("flag_zone_16M_HINT"),
+ size, SOCKET_ID_ANY,
+ RTE_MEMZONE_16MB|RTE_MEMZONE_16GB);
+ if (mz == NULL) {
printf("BOTH SIZES SET\n");
return -1;
}
+ if (mz->hugepage_sz != RTE_PGSIZE_16G &&
+ mz->hugepage_sz != RTE_PGSIZE_16M) {
+ printf("Wrong size when both sizes set\n");
+ return -1;
+ }
+ if (rte_memzone_free(mz)) {
+ printf("Fail memzone free\n");
+ return -1;
+ }
}
}
return 0;
}
+
+/* Find the heap with the greatest free block size */
+static size_t
+find_max_block_free_size(unsigned int align, unsigned int socket_id)
+{
+ struct rte_malloc_socket_stats stats;
+ size_t len, overhead;
+
+ rte_malloc_get_socket_stats(socket_id, &stats);
+
+ len = stats.greatest_free_size;
+ overhead = MALLOC_ELEM_OVERHEAD;
+
+ if (len == 0)
+ return 0;
+
+ align = RTE_CACHE_LINE_ROUNDUP(align);
+ overhead += align;
+
+ if (len < overhead)
+ return 0;
+
+ return len - overhead;
+}
+
static int
test_memzone_reserve_max(void)
{
- const struct rte_memzone *mz;
- const struct rte_config *config;
- const struct rte_memseg *ms;
- int memseg_idx = 0;
- int memzone_idx = 0;
- size_t len = 0;
- void* last_addr;
- size_t maxlen = 0;
-
- /* get pointer to global configuration */
- config = rte_eal_get_configuration();
-
- ms = rte_eal_get_physmem_layout();
-
- 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, CACHE_LINE_SIZE);
- len = ms[memseg_idx].len - RTE_PTR_DIFF(last_addr, ms[memseg_idx].addr);
- len &= ~((size_t) 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. Addresses
- * are allocated sequentially so we don't need to worry about
- * them being in the right order.
- */
- len -= RTE_PTR_DIFF(
- config->mem_config->memzone[memzone_idx].addr,
- 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);
- }
- }
+ unsigned int i;
- /* we don't need to calculate offset here since length
- * is always cache-aligned */
- if (len > maxlen)
- maxlen = len;
- }
+ for (i = 0; i < rte_socket_count(); i++) {
+ const struct rte_memzone *mz;
+ size_t maxlen;
+ int socket;
- if (maxlen == 0) {
- printf("There is no space left!\n");
- return 0;
- }
+ socket = rte_socket_id_by_idx(i);
+ maxlen = find_max_block_free_size(0, socket);
- mz = rte_memzone_reserve("max_zone", 0, SOCKET_ID_ANY, 0);
- 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 (maxlen == 0) {
+ printf("There is no space left!\n");
+ return 0;
+ }
- if (mz->len != maxlen) {
- printf("Memzone reserve with 0 size did not return bigest block\n");
- printf("Expected size = %zu, actual size = %zu\n",
- maxlen, mz->len);
- rte_dump_physmem_layout(stdout);
- rte_memzone_dump(stdout);
+ mz = rte_memzone_reserve(TEST_MEMZONE_NAME("max_zone"), 0,
+ socket, 0);
+ if (mz == NULL) {
+ printf("Failed to reserve a big chunk of memory - %s\n",
+ rte_strerror(rte_errno));
+ rte_dump_physmem_layout(stdout);
+ rte_memzone_dump(stdout);
+ return -1;
+ }
- return -1;
+ if (mz->len != maxlen) {
+ printf("Memzone reserve with 0 size did not return bigest block\n");
+ printf("Expected size = %zu, actual size = %zu\n",
+ maxlen, mz->len);
+ rte_dump_physmem_layout(stdout);
+ rte_memzone_dump(stdout);
+ return -1;
+ }
+
+ if (rte_memzone_free(mz)) {
+ printf("Fail memzone free\n");
+ return -1;
+ }
}
+
return 0;
}
static int
test_memzone_reserve_max_aligned(void)
{
- const struct rte_memzone *mz;
- const struct rte_config *config;
- 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, CACHE_LINE_SIZE);
- len = ms[memseg_idx].len - RTE_PTR_DIFF(last_addr, ms[memseg_idx].addr);
- len &= ~((size_t) 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);
- }
- }
+ unsigned int i;
- /* 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;
- }
- }
+ for (i = 0; i < rte_socket_count(); i++) {
+ const struct rte_memzone *mz;
+ size_t maxlen, minlen = 0;
+ int socket;
- if (maxlen == 0 || maxlen == addr_offset) {
- printf("There is no space left for biggest %u-aligned memzone!\n", align);
- return 0;
- }
+ socket = rte_socket_id_by_idx(i);
- maxlen -= addr_offset;
+ /* random alignment */
+ rte_srand((unsigned int)rte_rdtsc());
+ const unsigned int align = 1 << ((rte_rand() % 8) + 5); /* from 128 up to 4k alignment */
- 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;
- }
+ /* memzone size may be between size and size - align */
+ minlen = find_max_block_free_size(align, socket);
+ maxlen = find_max_block_free_size(0, socket);
- 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);
+ if (minlen == 0 || maxlen == 0) {
+ printf("There is no space left for biggest %u-aligned memzone!\n",
+ align);
+ return 0;
+ }
- return -1;
+ mz = rte_memzone_reserve_aligned(
+ TEST_MEMZONE_NAME("max_zone_aligned"),
+ 0, socket, 0, align);
+ if (mz == NULL) {
+ printf("Failed to reserve a big chunk of memory - %s\n",
+ rte_strerror(rte_errno));
+ rte_dump_physmem_layout(stdout);
+ rte_memzone_dump(stdout);
+ return -1;
+ }
+ if (mz->addr != RTE_PTR_ALIGN(mz->addr, align)) {
+ printf("Memzone reserve with 0 size and alignment %u did not return aligned block\n",
+ align);
+ rte_dump_physmem_layout(stdout);
+ rte_memzone_dump(stdout);
+ return -1;
+ }
+
+ if (mz->len < minlen || mz->len > maxlen) {
+ printf("Memzone reserve with 0 size and alignment %u did not return"
+ " bigest block\n", align);
+ printf("Expected size = %zu-%zu, actual size = %zu\n",
+ minlen, maxlen, mz->len);
+ rte_dump_physmem_layout(stdout);
+ rte_memzone_dump(stdout);
+ return -1;
+ }
+
+ if (rte_memzone_free(mz)) {
+ printf("Fail memzone free\n");
+ return -1;
+ }
}
return 0;
}
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_aligned_32 = rte_memzone_reserve_aligned(
+ TEST_MEMZONE_NAME("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_aligned_128 = rte_memzone_reserve_aligned(
+ TEST_MEMZONE_NAME("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_aligned_256 = rte_memzone_reserve_aligned(
+ TEST_MEMZONE_NAME("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_aligned_512 = rte_memzone_reserve_aligned(
+ TEST_MEMZONE_NAME("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);
+ memzone_aligned_1024 = rte_memzone_reserve_aligned(
+ TEST_MEMZONE_NAME("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 & CACHE_LINE_MASK) != 0)
+ if ((memzone_aligned_32->iova & RTE_CACHE_LINE_MASK) != 0)
return -1;
- if (((uintptr_t) memzone_aligned_32->addr & CACHE_LINE_MASK) != 0)
+ if (((uintptr_t) memzone_aligned_32->addr & RTE_CACHE_LINE_MASK) != 0)
return -1;
- if ((memzone_aligned_32->len & CACHE_LINE_MASK) != 0)
+ 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)
+ if ((memzone_aligned_128->iova & 127) != 0)
return -1;
if (((uintptr_t) memzone_aligned_128->addr & 127) != 0)
return -1;
- if ((memzone_aligned_128->len & CACHE_LINE_MASK) != 0)
+ 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)
+ if ((memzone_aligned_256->iova & 255) != 0)
return -1;
if (((uintptr_t) memzone_aligned_256->addr & 255) != 0)
return -1;
- if ((memzone_aligned_256->len & CACHE_LINE_MASK) != 0)
+ 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)
+ if ((memzone_aligned_512->iova & 511) != 0)
return -1;
if (((uintptr_t) memzone_aligned_512->addr & 511) != 0)
return -1;
- if ((memzone_aligned_512->len & CACHE_LINE_MASK) != 0)
+ 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)
+ if ((memzone_aligned_1024->iova & 1023) != 0)
return -1;
if (((uintptr_t) memzone_aligned_1024->addr & 1023) != 0)
return -1;
- if ((memzone_aligned_1024->len & CACHE_LINE_MASK) != 0)
+ 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))
+ if (is_memory_overlap(memzone_aligned_32->iova, memzone_aligned_32->len,
+ memzone_aligned_128->iova, memzone_aligned_128->len))
+ return -1;
+ if (is_memory_overlap(memzone_aligned_32->iova, memzone_aligned_32->len,
+ memzone_aligned_256->iova, memzone_aligned_256->len))
+ return -1;
+ if (is_memory_overlap(memzone_aligned_32->iova, memzone_aligned_32->len,
+ memzone_aligned_512->iova, memzone_aligned_512->len))
+ return -1;
+ if (is_memory_overlap(memzone_aligned_32->iova, memzone_aligned_32->len,
+ memzone_aligned_1024->iova, memzone_aligned_1024->len))
+ return -1;
+ if (is_memory_overlap(memzone_aligned_128->iova, memzone_aligned_128->len,
+ memzone_aligned_256->iova, memzone_aligned_256->len))
+ return -1;
+ if (is_memory_overlap(memzone_aligned_128->iova, memzone_aligned_128->len,
+ memzone_aligned_512->iova, memzone_aligned_512->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))
+ if (is_memory_overlap(memzone_aligned_128->iova, memzone_aligned_128->len,
+ memzone_aligned_1024->iova, memzone_aligned_1024->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))
+ if (is_memory_overlap(memzone_aligned_256->iova, memzone_aligned_256->len,
+ memzone_aligned_512->iova, 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))
+ if (is_memory_overlap(memzone_aligned_256->iova, memzone_aligned_256->len,
+ memzone_aligned_1024->iova, 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))
+ if (is_memory_overlap(memzone_aligned_512->iova, memzone_aligned_512->len,
+ memzone_aligned_1024->iova, memzone_aligned_1024->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))
+
+ /* free all used zones */
+ if (rte_memzone_free(memzone_aligned_32)) {
+ printf("Fail memzone free\n");
return -1;
- if (is_memory_overlap(memzone_aligned_128->phys_addr, memzone_aligned_128->len,
- memzone_aligned_1024->phys_addr, memzone_aligned_1024->len))
+ }
+ if (rte_memzone_free(memzone_aligned_128)) {
+ printf("Fail memzone free\n");
return -1;
- if (is_memory_overlap(memzone_aligned_256->phys_addr, memzone_aligned_256->len,
- memzone_aligned_512->phys_addr, memzone_aligned_512->len))
+ }
+ if (rte_memzone_free(memzone_aligned_256)) {
+ printf("Fail memzone free\n");
return -1;
- if (is_memory_overlap(memzone_aligned_256->phys_addr, memzone_aligned_256->len,
- memzone_aligned_1024->phys_addr, memzone_aligned_1024->len))
+ }
+ if (rte_memzone_free(memzone_aligned_512)) {
+ printf("Fail memzone free\n");
return -1;
- if (is_memory_overlap(memzone_aligned_512->phys_addr, memzone_aligned_512->len,
- memzone_aligned_1024->phys_addr, memzone_aligned_1024->len))
+ }
+ if (rte_memzone_free(memzone_aligned_1024)) {
+ printf("Fail memzone free\n");
return -1;
+ }
return 0;
}
uint32_t bound)
{
const struct rte_memzone *mz;
- phys_addr_t bmask;
+ rte_iova_t bmask;
- bmask = ~((phys_addr_t)bound - 1);
+ bmask = ~((rte_iova_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);
+ return -1;
}
- if ((mz->phys_addr & ((phys_addr_t)align - 1)) != 0) {
+ if ((mz->iova & ((rte_iova_t)align - 1)) != 0) {
printf("%s(%s): invalid phys addr alignment\n",
__func__, mz->name);
- return (-1);
+ 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);
+ return -1;
}
- if ((mz->len & CACHE_LINE_MASK) != 0 || mz->len < len ||
- mz->len < CACHE_LINE_SIZE) {
+ 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);
+ return -1;
}
- if ((mz->phys_addr & bmask) !=
- ((mz->phys_addr + mz->len - 1) & bmask)) {
+ if ((mz->iova & bmask) !=
+ ((mz->iova + mz->len - 1) & bmask)) {
printf("%s(%s): invalid memzone boundary %u crossed\n",
__func__, mz->name, bound);
- return (-1);
+ return -1;
}
- return (0);
+ if (rte_memzone_free(mz)) {
+ printf("Fail memzone free\n");
+ 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) {
+ memzone_err = rte_memzone_reserve_bounded(
+ TEST_MEMZONE_NAME("bounded_error_31"), 100,
+ SOCKET_ID_ANY, 0, 32, UINT32_MAX);
+ if (memzone_err != NULL) {
printf("%s(%s)created a memzone with invalid boundary "
"conditions\n", __func__, memzone_err->name);
- return (-1);
+ 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) {
+ memzone_err = rte_memzone_reserve_bounded(
+ TEST_MEMZONE_NAME("bounded_error_32"), 100,
+ SOCKET_ID_ANY, 0, 32, 32);
+ if (memzone_err != NULL) {
printf("%s(%s)created a memzone with invalid boundary "
"conditions\n", __func__, memzone_err->name);
- return (-1);
+ return -1;
}
- if ((rc = check_memzone_bounded("bounded_128", 100, 128, 128)) != 0)
- return (rc);
+ rc = check_memzone_bounded(TEST_MEMZONE_NAME("bounded_128"), 100, 128,
+ 128);
+ if (rc != 0)
+ return rc;
- if ((rc = check_memzone_bounded("bounded_256", 100, 256, 128)) != 0)
- return (rc);
+ rc = check_memzone_bounded(TEST_MEMZONE_NAME("bounded_256"), 100, 256,
+ 128);
+ if (rc != 0)
+ return rc;
- if ((rc = check_memzone_bounded("bounded_1K", 100, 64, 1024)) != 0)
- return (rc);
+ rc = check_memzone_bounded(TEST_MEMZONE_NAME("bounded_1K"), 100, 64,
+ 1024);
+ if (rc != 0)
+ return rc;
- if ((rc = check_memzone_bounded("bounded_1K_MAX", 0, 64, 1024)) != 0)
- return (rc);
+ rc = check_memzone_bounded(TEST_MEMZONE_NAME("bounded_1K_MAX"), 0, 64,
+ 1024);
+ if (rc != 0)
+ return rc;
- return (0);
+ return 0;
}
static int
-test_memzone_reserve_memory_in_smallest_segment(void)
+test_memzone_free(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;
+ const struct rte_memzone *mz[RTE_MAX_MEMZONE + 1];
int i;
+ char name[20];
- 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 = ms;
- }
- }
+ mz[0] = rte_memzone_reserve(TEST_MEMZONE_NAME("tempzone0"), 2000,
+ SOCKET_ID_ANY, 0);
+ mz[1] = rte_memzone_reserve(TEST_MEMZONE_NAME("tempzone1"), 4000,
+ SOCKET_ID_ANY, 0);
- if (min_ms == NULL || prev_min_ms == NULL) {
- printf("Smallest segments not found!\n");
+ if (mz[0] > mz[1])
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", CACHE_LINE_SIZE,
- SOCKET_ID_ANY, 0);
- if (mz == NULL) {
- printf("Failed to reserve memory from smallest memseg!\n");
+ if (!rte_memzone_lookup(TEST_MEMZONE_NAME("tempzone0")))
return -1;
- }
- if (prev_min_ms->len != prev_min_len &&
- min_ms->len != min_len - CACHE_LINE_SIZE) {
- printf("Reserved memory from wrong memseg!\n");
+ if (!rte_memzone_lookup(TEST_MEMZONE_NAME("tempzone1")))
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 = 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 = ms;
- }
+ if (rte_memzone_free(mz[0])) {
+ printf("Fail memzone free - tempzone0\n");
+ return -1;
}
-
- if (min_ms == NULL || prev_min_ms == NULL) {
- printf("Smallest segments not found!\n");
+ if (rte_memzone_lookup(TEST_MEMZONE_NAME("tempzone0"))) {
+ printf("Found previously free memzone - tempzone0\n");
return -1;
}
+ mz[2] = rte_memzone_reserve(TEST_MEMZONE_NAME("tempzone2"), 2000,
+ SOCKET_ID_ANY, 0);
- 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 += 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 (mz[2] > mz[1]) {
+ printf("tempzone2 should have gotten the free entry from tempzone0\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", CACHE_LINE_SIZE,
- SOCKET_ID_ANY, 0) == NULL) {
- printf("Cannot reserve memory!\n");
- return -1;
- }
- if (min_ms->len != min_len - 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 += 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;
- }
+ if (rte_memzone_free(mz[2])) {
+ printf("Fail memzone free - tempzone2\n");
+ return -1;
}
- len = 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");
+ if (rte_memzone_lookup(TEST_MEMZONE_NAME("tempzone2"))) {
+ printf("Found previously free memzone - tempzone2\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");
+ if (rte_memzone_free(mz[1])) {
+ printf("Fail memzone free - tempzone1\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");
+ if (rte_memzone_lookup(TEST_MEMZONE_NAME("tempzone1"))) {
+ printf("Found previously free memzone - tempzone1\n");
return -1;
}
- return 0;
-}
+ i = 0;
+ do {
+ snprintf(name, sizeof(name), TEST_MEMZONE_NAME("tempzone%u"),
+ i);
+ mz[i] = rte_memzone_reserve(name, 1, SOCKET_ID_ANY, 0);
+ } while (mz[i++] != NULL);
-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 = 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 = CACHE_LINE_SIZE;
- while ((ms->addr_64 & (align-1)) == 0) {
- align <<= 1;
- }
- }
- }
-
- if (min_ms == NULL) {
- printf("Minimal sized segment not found!\n");
+ if (rte_memzone_free(mz[0])) {
+ printf("Fail memzone free - tempzone0\n");
return -1;
}
+ mz[0] = rte_memzone_reserve(TEST_MEMZONE_NAME("tempzone0new"), 0,
+ SOCKET_ID_ANY, 0);
- /* 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");
+ if (mz[0] == NULL) {
+ printf("Fail to create memzone - tempzone0new - when MAX memzones were "
+ "created and one was free\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;
+ for (i = i - 2; i >= 0; i--) {
+ if (rte_memzone_free(mz[i])) {
+ printf("Fail memzone free - tempzone%d\n", i);
+ return -1;
+ }
}
return 0;
}
-int
-test_memzone(void)
+static int
+test_memzone_basic(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;
+ int memzone_cnt_after, memzone_cnt_expected;
+ int memzone_cnt_before =
+ rte_eal_get_configuration()->mem_config->memzones.count;
- memzone1 = rte_memzone_reserve("testzone1", 100,
+ memzone1 = rte_memzone_reserve(TEST_MEMZONE_NAME("testzone1"), 100,
SOCKET_ID_ANY, 0);
- memzone2 = rte_memzone_reserve("testzone2", 1000,
+ memzone2 = rte_memzone_reserve(TEST_MEMZONE_NAME("testzone2"), 1000,
0, 0);
- memzone3 = rte_memzone_reserve("testzone3", 1000,
+ memzone3 = rte_memzone_reserve(TEST_MEMZONE_NAME("testzone3"), 1000,
1, 0);
- memzone4 = rte_memzone_reserve("testzone4", 1024,
+ memzone4 = rte_memzone_reserve(TEST_MEMZONE_NAME("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;
+ /* check how many memzones we are expecting */
+ memzone_cnt_expected = memzone_cnt_before +
+ (memzone1 != NULL) + (memzone2 != NULL) +
+ (memzone3 != NULL) + (memzone4 != NULL);
+
+ memzone_cnt_after =
+ rte_eal_get_configuration()->mem_config->memzones.count;
+
+ if (memzone_cnt_after != memzone_cnt_expected)
+ return -1;
+
+
rte_memzone_dump(stdout);
/* check cache-line alignments */
printf("check alignments and lengths\n");
- if ((memzone1->phys_addr & CACHE_LINE_MASK) != 0)
+ if ((memzone1->iova & RTE_CACHE_LINE_MASK) != 0)
return -1;
- if ((memzone2->phys_addr & CACHE_LINE_MASK) != 0)
+ if ((memzone2->iova & RTE_CACHE_LINE_MASK) != 0)
return -1;
- if (memzone3 != NULL && (memzone3->phys_addr & CACHE_LINE_MASK) != 0)
+ if (memzone3 != NULL && (memzone3->iova & RTE_CACHE_LINE_MASK) != 0)
return -1;
- if ((memzone1->len & CACHE_LINE_MASK) != 0 || memzone1->len == 0)
+ if ((memzone1->len & RTE_CACHE_LINE_MASK) != 0 || memzone1->len == 0)
return -1;
- if ((memzone2->len & CACHE_LINE_MASK) != 0 || memzone2->len == 0)
+ if ((memzone2->len & RTE_CACHE_LINE_MASK) != 0 || memzone2->len == 0)
return -1;
- if (memzone3 != NULL && ((memzone3->len & CACHE_LINE_MASK) != 0 ||
+ if (memzone3 != NULL && ((memzone3->len & RTE_CACHE_LINE_MASK) != 0 ||
memzone3->len == 0))
return -1;
if (memzone4->len != 1024)
/* check that zones don't overlap */
printf("check overlapping\n");
- if (is_memory_overlap(memzone1->phys_addr, memzone1->len,
- memzone2->phys_addr, memzone2->len))
+ if (is_memory_overlap(memzone1->iova, memzone1->len,
+ memzone2->iova, memzone2->len))
return -1;
if (memzone3 != NULL &&
- is_memory_overlap(memzone1->phys_addr, memzone1->len,
- memzone3->phys_addr, memzone3->len))
+ is_memory_overlap(memzone1->iova, memzone1->len,
+ memzone3->iova, memzone3->len))
return -1;
if (memzone3 != NULL &&
- is_memory_overlap(memzone2->phys_addr, memzone2->len,
- memzone3->phys_addr, memzone3->len))
+ is_memory_overlap(memzone2->iova, memzone2->len,
+ memzone3->iova, memzone3->len))
return -1;
printf("check socket ID\n");
return -1;
printf("test zone lookup\n");
- mz = rte_memzone_lookup("testzone1");
+ mz = rte_memzone_lookup(TEST_MEMZONE_NAME("testzone1"));
if (mz != memzone1)
return -1;
printf("test duplcate zone name\n");
- mz = rte_memzone_reserve("testzone1", 100,
+ mz = rte_memzone_reserve(TEST_MEMZONE_NAME("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)
+ if (rte_memzone_free(memzone1)) {
+ printf("Fail memzone free - memzone1\n");
return -1;
+ }
+ if (rte_memzone_free(memzone2)) {
+ printf("Fail memzone free - memzone2\n");
+ return -1;
+ }
+ if (memzone3 && rte_memzone_free(memzone3)) {
+ printf("Fail memzone free - memzone3\n");
+ return -1;
+ }
+ if (rte_memzone_free(memzone4)) {
+ printf("Fail memzone free - memzone4\n");
+ return -1;
+ }
- printf("test reserving memory in smallest segments\n");
- if (test_memzone_reserve_memory_in_smallest_segment() < 0)
+ memzone_cnt_after =
+ rte_eal_get_configuration()->mem_config->memzones.count;
+ if (memzone_cnt_after != memzone_cnt_before)
return -1;
- printf("test reserving memory in segments with smallest offsets\n");
- if (test_memzone_reserve_memory_with_smallest_offset() < 0)
+ return 0;
+}
+
+static int test_memzones_left;
+static int memzone_walk_cnt;
+static void memzone_walk_clb(const struct rte_memzone *mz,
+ void *arg __rte_unused)
+{
+ memzone_walk_cnt++;
+ if (!strncmp(TEST_MEMZONE_NAME(""), mz->name, RTE_MEMZONE_NAMESIZE))
+ test_memzones_left++;
+}
+
+static int
+test_memzone(void)
+{
+ /* take note of how many memzones were allocated before running */
+ int memzone_cnt =
+ rte_eal_get_configuration()->mem_config->memzones.count;
+
+ printf("test basic memzone API\n");
+ if (test_memzone_basic() < 0)
+ return -1;
+
+ printf("test free memzone\n");
+ if (test_memzone_free() < 0)
+ return -1;
+
+ printf("test reserving memzone with bigger size than the maximum\n");
+ if (test_memzone_reserving_zone_size_bigger_than_the_maximum() < 0)
return -1;
printf("test memzone_reserve flags\n");
if (test_memzone_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;
if (test_memzone_reserve_max_aligned() < 0)
return -1;
+ printf("check memzone cleanup\n");
+ memzone_walk_cnt = 0;
+ test_memzones_left = 0;
+ rte_memzone_walk(memzone_walk_clb, NULL);
+ if (memzone_walk_cnt != memzone_cnt || test_memzones_left > 0) {
+ printf("there are some memzones left after test\n");
+ rte_memzone_dump(stdout);
+ return -1;
+ }
+
return 0;
}
+
+REGISTER_TEST_COMMAND(memzone_autotest, test_memzone);
git.droids-corp.org / dpdk.git / blobdiff