/*-
* BSD LICENSE
*
- * Copyright(c) 2010-2012 Intel Corporation. All rights reserved.
+ * 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
+ * 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
+ * * 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
+ * * 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
+ * * 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
+ * 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.
- *
*/
#include <stdio.h>
#include <cmdline_parse.h>
+#include <rte_random.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 "test.h"
return -1;
}
- mz = rte_memzone_reserve("zone_size_bigger_than_the_maximum", 0x1900000000ULL,
+ mz = rte_memzone_reserve("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");
const struct rte_memseg *ms;
int memseg_idx = 0;
int memzone_idx = 0;
- uint64_t len = 0;
+ size_t len = 0;
void* last_addr;
- uint64_t maxlen = 0;
+ size_t maxlen = 0;
/* get pointer to global configuration */
config = rte_eal_get_configuration();
if (ms[memseg_idx].len < maxlen)
continue;
- len = ms[memseg_idx].len;
- last_addr = ms[memseg_idx].addr;
+ /* 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++) {
/* 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,
- (size_t)ms[memseg_idx].len)))) {
+ (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 -= (uintptr_t) RTE_PTR_SUB(
+ len -= RTE_PTR_DIFF(
config->mem_config->memzone[memzone_idx].addr,
- (uintptr_t) last_addr);
+ last_addr);
len -= config->mem_config->memzone[memzone_idx].len;
- last_addr =
- RTE_PTR_ADD(config->mem_config->memzone[memzone_idx].addr,
+ last_addr = RTE_PTR_ADD(config->mem_config->memzone[memzone_idx].addr,
(size_t) config->mem_config->memzone[memzone_idx].len);
}
}
maxlen = len;
}
+ if (maxlen == 0) {
+ printf("There is no space left!\n");
+ return 0;
+ }
+
mz = rte_memzone_reserve("max_zone", 0, SOCKET_ID_ANY, 0);
if (mz == NULL){
printf("Failed to reserve a big chunk of memory\n");
if (mz->len != maxlen) {
printf("Memzone reserve with 0 size did not return bigest block\n");
- printf("Expected size = %" PRIu64 ", actual size = %" PRIu64 "\n",
+ printf("Expected size = %zu, actual size = %zu\n",
maxlen, mz->len);
rte_dump_physmem_layout();
rte_memzone_dump();
const struct rte_memseg *ms;
int memseg_idx = 0;
int memzone_idx = 0;
- uint64_t addr_offset, len = 0;
+ uintptr_t addr_offset;
+ size_t len = 0;
void* last_addr;
- uint64_t maxlen = 0;
+ 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();
if (ms[memseg_idx].len < maxlen)
continue;
- len = ms[memseg_idx].len;
- last_addr = ms[memseg_idx].addr;
+ /* 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++) {
/* 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,
- (size_t) ms[memseg_idx].len)))) {
+ (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.
/* make sure we get the alignment offset */
if (len > maxlen) {
- addr_offset = RTE_ALIGN_CEIL((uintptr_t) last_addr, 512) - (uintptr_t) last_addr;
+ addr_offset = RTE_PTR_ALIGN_CEIL((uintptr_t) last_addr, align) - (uintptr_t) last_addr;
maxlen = len;
}
}
+ if (maxlen == 0 || maxlen == addr_offset) {
+ printf("There is no space left for biggest %u-aligned memzone!\n", align);
+ return 0;
+ }
+
maxlen -= addr_offset;
mz = rte_memzone_reserve_aligned("max_zone_aligned", 0,
- SOCKET_ID_ANY, 0, 512);
+ SOCKET_ID_ANY, 0, align);
if (mz == NULL){
printf("Failed to reserve a big chunk of memory\n");
rte_dump_physmem_layout();
}
if (mz->len != maxlen) {
- printf("Memzone reserve with 0 size and alignment 512 did not return"
- " bigest block\n");
- printf("Expected size = %" PRIu64 ", actual size = %" PRIu64 "\n",
+ 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();
rte_memzone_dump();
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)
return -1;
if (((uintptr_t) memzone_aligned_32->addr & CACHE_LINE_MASK) != 0)
return -1;
if ((memzone_aligned_32->len & CACHE_LINE_MASK) != 0)
return -1;
+ if (memzone_aligned_128 == NULL) {
+ printf("Unable to reserve 128-byte aligned memzone!\n");
+ return -1;
+ }
if ((memzone_aligned_128->phys_addr & 127) != 0)
return -1;
if (((uintptr_t) memzone_aligned_128->addr & 127) != 0)
return -1;
if ((memzone_aligned_128->len & CACHE_LINE_MASK) != 0)
return -1;
+ if (memzone_aligned_256 == NULL) {
+ printf("Unable to reserve 256-byte aligned memzone!\n");
+ return -1;
+ }
if ((memzone_aligned_256->phys_addr & 255) != 0)
return -1;
if (((uintptr_t) memzone_aligned_256->addr & 255) != 0)
return -1;
if ((memzone_aligned_256->len & CACHE_LINE_MASK) != 0)
return -1;
+ if (memzone_aligned_512 == NULL) {
+ printf("Unable to reserve 512-byte aligned memzone!\n");
+ return -1;
+ }
if ((memzone_aligned_512->phys_addr & 511) != 0)
return -1;
if (((uintptr_t) memzone_aligned_512->addr & 511) != 0)
return -1;
if ((memzone_aligned_512->len & CACHE_LINE_MASK) != 0)
return -1;
+ if (memzone_aligned_1024 == NULL) {
+ printf("Unable to reserve 1024-byte aligned memzone!\n");
+ return -1;
+ }
if ((memzone_aligned_1024->phys_addr & 1023) != 0)
return -1;
if (((uintptr_t) memzone_aligned_1024->addr & 1023) != 0)
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,
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;
if (test_memzone_invalid_alignment() < 0)
return -1;
+ printf("test reserving the largest size memzone possible\n");
+ if (test_memzone_reserve_max() < 0)
+ return -1;
+
printf("test reserving the largest size aligned memzone possible\n");
if (test_memzone_reserve_max_aligned() < 0)
return -1;
git.droids-corp.org / dpdk.git / blobdiff