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test/mem: check non-heap external memory API

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Currently, extmem autotest only covers the external malloc heap
API. Extend it to also cover the non-heap, register/unregister
external memory API.

Signed-off-by: Anatoly Burakov <anatoly.burakov@intel.com>
This commit is contained in:
Anatoly Burakov 2018-12-21 11:29:03 +00:00 committed by Thomas Monjalon
parent f4e24a403c
commit b2cb71e95e
1 changed files with 146 additions and 0 deletions
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146
test/test/test_external_mem.c
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@ -391,6 +391,144 @@ test_malloc_basic(void *addr, size_t len, size_t pgsz, rte_iova_t *iova,
return -1; return -1;
} }
static int
test_extmem_invalid_param(void *addr, size_t len, size_t pgsz, rte_iova_t *iova,
int n_pages)
{
/* these calls may fail for other reasons, so check errno */
if (rte_extmem_unregister(addr, len) >= 0 ||
rte_errno != ENOENT) {
printf("%s():%i: Unregistered non-existent memory\n",
__func__, __LINE__);
return -1;
}
if (rte_extmem_attach(addr, len) >= 0 ||
rte_errno != ENOENT) {
printf("%s():%i: Attached to non-existent memory\n",
__func__, __LINE__);
return -1;
}
if (rte_extmem_attach(addr, len) >= 0 ||
rte_errno != ENOENT) {
printf("%s():%i: Detached from non-existent memory\n",
__func__, __LINE__);
return -1;
}
/* zero length */
if (rte_extmem_register(addr, 0, NULL, 0, pgsz) >= 0 ||
rte_errno != EINVAL) {
printf("%s():%i: Registered memory with invalid parameters\n",
__func__, __LINE__);
return -1;
}
if (rte_extmem_unregister(addr, 0) >= 0 ||
rte_errno != EINVAL) {
printf("%s():%i: Unregistered memory with invalid parameters\n",
__func__, __LINE__);
return -1;
}
if (rte_extmem_attach(addr, 0) >= 0 ||
rte_errno != EINVAL) {
printf("%s():%i: Attached memory with invalid parameters\n",
__func__, __LINE__);
return -1;
}
if (rte_extmem_attach(addr, 0) >= 0 ||
rte_errno != EINVAL) {
printf("%s():%i: Detached memory with invalid parameters\n",
__func__, __LINE__);
return -1;
}
/* zero address */
if (rte_extmem_register(NULL, len, NULL, 0, pgsz) >= 0 ||
rte_errno != EINVAL) {
printf("%s():%i: Registered memory with invalid parameters\n",
__func__, __LINE__);
return -1;
}
if (rte_extmem_unregister(NULL, len) >= 0 ||
rte_errno != EINVAL) {
printf("%s():%i: Unregistered memory with invalid parameters\n",
__func__, __LINE__);
return -1;
}
if (rte_extmem_attach(NULL, len) >= 0 ||
rte_errno != EINVAL) {
printf("%s():%i: Attached memory with invalid parameters\n",
__func__, __LINE__);
return -1;
}
if (rte_extmem_attach(NULL, len) >= 0 ||
rte_errno != EINVAL) {
printf("%s():%i: Detached memory with invalid parameters\n",
__func__, __LINE__);
return -1;
}
/* the following tests are only valid if IOVA table is not NULL */
if (iova != NULL) {
/* wrong page count */
if (rte_extmem_register(addr, len,
iova, 0, pgsz) >= 0 || rte_errno != EINVAL) {
printf("%s():%i: Registered memory with invalid parameters\n",
__func__, __LINE__);
return -1;
}
if (rte_extmem_register(addr, len,
iova, n_pages - 1, pgsz) >= 0 ||
rte_errno != EINVAL) {
printf("%s():%i: Registered memory with invalid parameters\n",
__func__, __LINE__);
return -1;
}
if (rte_extmem_register(addr, len,
iova, n_pages + 1, pgsz) >= 0 ||
rte_errno != EINVAL) {
printf("%s():%i: Registered memory with invalid parameters\n",
__func__, __LINE__);
return -1;
}
}
return 0;
}
static int
test_extmem_basic(void *addr, size_t len, size_t pgsz, rte_iova_t *iova,
int n_pages)
{
/* register memory */
if (rte_extmem_register(addr, len, iova, n_pages, pgsz) != 0) {
printf("%s():%i: Failed to register memory\n",
__func__, __LINE__);
goto fail;
}
/* check if memory is accessible from EAL */
if (check_mem(addr, iova, pgsz, n_pages) < 0)
goto fail;
if (rte_extmem_unregister(addr, len) != 0) {
printf("%s():%i: Removing memory from heap failed\n",
__func__, __LINE__);
goto fail;
}
return 0;
fail:
/* even if something failed, attempt to clean up */
rte_extmem_unregister(addr, len);
return -1;
}
/* we need to test attach/detach in secondary processes. */ /* we need to test attach/detach in secondary processes. */
static int static int
test_external_mem(void) test_external_mem(void)
@ -417,12 +555,20 @@ test_external_mem(void)
iova[i] = tmp; iova[i] = tmp;
} }
/* test external heap memory */
ret = test_malloc_invalid_param(addr, len, pgsz, iova, n_pages); ret = test_malloc_invalid_param(addr, len, pgsz, iova, n_pages);
ret |= test_malloc_basic(addr, len, pgsz, iova, n_pages); ret |= test_malloc_basic(addr, len, pgsz, iova, n_pages);
/* when iova table is NULL, everything should still work */ /* when iova table is NULL, everything should still work */
ret |= test_malloc_invalid_param(addr, len, pgsz, NULL, n_pages); ret |= test_malloc_invalid_param(addr, len, pgsz, NULL, n_pages);
ret |= test_malloc_basic(addr, len, pgsz, NULL, n_pages); ret |= test_malloc_basic(addr, len, pgsz, NULL, n_pages);
/* test non-heap memory */
ret |= test_extmem_invalid_param(addr, len, pgsz, iova, n_pages);
ret |= test_extmem_basic(addr, len, pgsz, iova, n_pages);
/* when iova table is NULL, everything should still work */
ret |= test_extmem_invalid_param(addr, len, pgsz, NULL, n_pages);
ret |= test_extmem_basic(addr, len, pgsz, NULL, n_pages);
munmap(addr, len); munmap(addr, len);
return ret; return ret;