common/mlx5: fix user mode register access command

[dpdk.git] / app / test / test_memory.c

diff --git a/app/test/test_memory.c b/app/test/test_memory.c
index 921bdc8..7d5ae99 100644 (file)
--- a/app/test/test_memory.c
+++ b/app/test/test_memory.c
@@ -1,41 +1,14 @@
-/*-
- *   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"
 
@@ -51,13 +24,56 @@
  * - 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
@@ -74,13 +90,15 @@ test_memory(void)
        }
 
        /* 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;