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/*-
* BSD LICENSE
*
* Copyright (c) Intel Corporation.
* 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.
*/
#include "spdk/stdinc.h"
#include "spdk/config.h"
#include "spdk/env.h"
#include "spdk/util.h"
#include "CUnit/Basic.h"
#define __SPDK_ENV_NAME(path) (strrchr(#path, '/') + 1)
#define _SPDK_ENV_NAME(path) __SPDK_ENV_NAME(path)
#define SPDK_ENV_NAME _SPDK_ENV_NAME(SPDK_CONFIG_ENV)
static void
vtophys_malloc_test(void)
{
void *p = NULL;
int i;
unsigned int size = 1;
uint64_t paddr;
/* Verify vtophys doesn't work on regular malloc memory */
for (i = 0; i < 31; i++) {
p = malloc(size);
if (p == NULL) {
continue;
}
paddr = spdk_vtophys(p, NULL);
CU_ASSERT(paddr == SPDK_VTOPHYS_ERROR);
free(p);
size = size << 1;
}
/* Test addresses that are not in the valid x86-64 usermode range */
paddr = spdk_vtophys((void *)0x0000800000000000ULL, NULL);
CU_ASSERT(paddr == SPDK_VTOPHYS_ERROR);
}
static void
vtophys_spdk_malloc_test(void)
{
void *buf = NULL, *p = NULL;
size_t buf_align = 512;
int i;
unsigned int size = 1;
uint64_t paddr, tmpsize;
/* Test vtophys on memory allocated through SPDK */
for (i = 0; i < 31; i++) {
buf = spdk_zmalloc(size, buf_align, NULL, SPDK_ENV_LCORE_ID_ANY, SPDK_MALLOC_DMA);
if (buf == NULL) {
continue;
}
/* test vtophys translation with no length parameter */
paddr = spdk_vtophys(buf, NULL);
CU_ASSERT(paddr != SPDK_VTOPHYS_ERROR);
/* translate the entire buffer; it's not necessarily contiguous */
p = buf;
tmpsize = size;
while (p < buf + size) {
paddr = spdk_vtophys(p, &tmpsize);
CU_ASSERT(paddr != SPDK_VTOPHYS_ERROR);
CU_ASSERT(tmpsize >= spdk_min(size, buf_align));
p += tmpsize;
tmpsize = buf + size - p;
}
CU_ASSERT(tmpsize == 0);
/* translate a valid vaddr, but with length 0 */
p = buf;
tmpsize = 0;
paddr = spdk_vtophys(p, &tmpsize);
CU_ASSERT(paddr != SPDK_VTOPHYS_ERROR);
CU_ASSERT(tmpsize == 0);
/* translate the first half of the buffer */
p = buf;
tmpsize = size / 2;
while (p < buf + size / 2) {
paddr = spdk_vtophys(p, &tmpsize);
CU_ASSERT(paddr != SPDK_VTOPHYS_ERROR);
CU_ASSERT(tmpsize >= spdk_min(size / 2, buf_align));
p += tmpsize;
tmpsize = buf + size / 2 - p;
}
CU_ASSERT(tmpsize == 0);
/* translate the second half of the buffer */
p = buf + size / 2;
tmpsize = size / 2;
while (p < buf + size) {
paddr = spdk_vtophys(p, &tmpsize);
CU_ASSERT(paddr != SPDK_VTOPHYS_ERROR);
CU_ASSERT(tmpsize >= spdk_min(size / 2, buf_align));
p += tmpsize;
tmpsize = buf + size - p;
}
CU_ASSERT(tmpsize == 0);
/* translate a region that's not entirely registered */
p = buf;
tmpsize = UINT64_MAX;
while (p < buf + size) {
paddr = spdk_vtophys(p, &tmpsize);
CU_ASSERT(paddr != SPDK_VTOPHYS_ERROR);
CU_ASSERT(tmpsize >= buf_align);
p += tmpsize;
/* verify our region is really contiguous */
CU_ASSERT(paddr + tmpsize - 1 == spdk_vtophys(p - 1, &tmpsize));
tmpsize = UINT64_MAX;
}
spdk_free(buf);
size = size << 1;
}
}
int
main(int argc, char **argv)
{
struct spdk_env_opts opts;
CU_pSuite suite = NULL;
unsigned num_failures;
spdk_env_opts_init(&opts);
opts.name = "vtophys";
opts.core_mask = "0x1";
if (strcmp(SPDK_ENV_NAME, "env_dpdk") == 0) {
opts.env_context = "--log-level=lib.eal:8";
}
if (spdk_env_init(&opts) < 0) {
printf("Err: Unable to initialize SPDK env\n");
return 1;
}
if (CU_initialize_registry() != CUE_SUCCESS) {
return CU_get_error();
}
suite = CU_add_suite("components_suite", NULL, NULL);
if (suite == NULL) {
CU_cleanup_registry();
return CU_get_error();
}
if (
CU_add_test(suite, "vtophys_malloc_test", vtophys_malloc_test) == NULL ||
CU_add_test(suite, "vtophys_spdk_malloc_test", vtophys_spdk_malloc_test) == NULL
) {
CU_cleanup_registry();
return CU_get_error();
}
CU_basic_set_mode(CU_BRM_VERBOSE);
CU_basic_run_tests();
num_failures = CU_get_number_of_failures();
CU_cleanup_registry();
return num_failures;
}
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