-/*-
- * 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 <rte_eal.h>
#include <rte_memory.h>
#include <rte_common.h>
+#include <rte_memzone.h>
#include "test.h"
* - Try to read all memory; it should not segfault.
*/
+static int
+check_mem(const struct rte_memseg_list *msl __rte_unused,
+ const struct rte_memseg *ms, void *arg __rte_unused)
+{
+ volatile uint8_t *mem = (volatile uint8_t *) ms->addr;
+ size_t i, max = ms->len;
+
+ for (i = 0; i < max; i++, mem++)
+ *mem;
+ return 0;
+}
+
+static int
+check_seg_fds(const struct rte_memseg_list *msl, const struct rte_memseg *ms,
+ void *arg __rte_unused)
+{
+ size_t offset;
+ int ret;
+
+ /* skip external segments */
+ if (msl->external)
+ return 0;
+
+ /* try segment fd first. we're in a callback, so thread-unsafe */
+ ret = rte_memseg_get_fd_thread_unsafe(ms);
+ if (ret < 0) {
+ /* ENOTSUP means segment is valid, but there is not support for
+ * segment fd API (e.g. on FreeBSD).
+ */
+ if (errno == ENOTSUP)
+ return 1;
+ /* all other errors are treated as failures */
+ return -1;
+ }
+
+ /* we're able to get memseg fd - try getting its offset */
+ ret = rte_memseg_get_fd_offset_thread_unsafe(ms, &offset);
+ if (ret < 0) {
+ if (errno == ENOTSUP)
+ return 1;
+ return -1;
+ }
+ return 0;
+}
+
static int
test_memory(void)
{
uint64_t s;
- unsigned i;
- size_t j;
- const struct rte_memseg *mem;
+ int ret;
/*
* dump the mapped memory: the python-expect script checks
}
/* try to read memory (should not segfault) */
- mem = rte_eal_get_physmem_layout();
- for (i = 0; i < RTE_MAX_MEMSEG && mem[i].addr != NULL ; i++) {
+ rte_memseg_walk(check_mem, NULL);
- /* check memory */
- for (j = 0; j<mem[i].len; j++) {
- *((volatile uint8_t *) mem[i].addr + j);
- }
+ /* check segment fd support */
+ ret = rte_memseg_walk(check_seg_fds, NULL);
+ if (ret == 1) {
+ printf("Segment fd API is unsupported\n");
+ } else if (ret == -1) {
+ printf("Error getting segment fd's\n");
+ return -1;
}
return 0;