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test/nvme: dynamic nvme cuse devices update test

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This test changes the range of active namespaces and checks
if apropriate CUSE devices for namespaces was stopped/started
properly on CUSE update.

Change-Id: I9683a0ab6ff28328d4788c49a834cef31c0582cc
Signed-off-by: Tomasz Kulasek <tomaszx.kulasek@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/780
Community-CI: Broadcom CI
Community-CI: Mellanox Build Bot
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
This commit is contained in:
Tomasz Kulasek 2020-02-11 19:48:05 +01:00 committed by Tomasz Zawadzki
parent 11aca20442
commit 2b9a331d0b
6 changed files with 233 additions and 0 deletions
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1
test/common/skipped_build_files.txt
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@ -30,6 +30,7 @@ lib/virtio/virtio_user/vhost_user
# Cuse related files, enable when ready.
lib/nvme/nvme_cuse
module/bdev/nvme/bdev_nvme_cuse_rpc
test/nvme/cuse/cuse
# Currently we don't have this plumbed for testing, enable when ready.
module/bdev/uring/bdev_uring

1
test/nvme/Makefile
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@ -36,6 +36,7 @@ include $(SPDK_ROOT_DIR)/mk/spdk.common.mk
DIRS-y = aer reset sgl e2edp overhead deallocated_value err_injection \
startup reserve
DIRS-$(CONFIG_NVME_CUSE) += cuse
.PHONY: all clean $(DIRS-y)

1
test/nvme/cuse/.gitignore vendored Normal file
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@ -0,0 +1 @@
cuse

38
test/nvme/cuse/Makefile Normal file
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@ -0,0 +1,38 @@
#
# 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.
#
SPDK_ROOT_DIR := $(abspath $(CURDIR)/../../..)
TEST_FILE = cuse.c
include $(SPDK_ROOT_DIR)/mk/spdk.unittest.mk

189
test/nvme/cuse/cuse.c Normal file
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@ -0,0 +1,189 @@
/*-
* 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_cunit.h"
#include "common/lib/test_env.c"
#include "nvme/nvme_cuse.c"
DEFINE_STUB(nvme_io_msg_send, int, (struct spdk_nvme_ctrlr *ctrlr, uint32_t nsid,
spdk_nvme_io_msg_fn fn, void *arg), 0);
DEFINE_STUB(spdk_nvme_ctrlr_alloc_cmb_io_buffer, void *, (struct spdk_nvme_ctrlr *ctrlr,
size_t size), NULL);
DEFINE_STUB(spdk_nvme_ctrlr_cmd_admin_raw, int, (struct spdk_nvme_ctrlr *ctrlr,
struct spdk_nvme_cmd *cmd, void *buf, uint32_t len,
spdk_nvme_cmd_cb cb_fn, void *cb_arg), 0);
DEFINE_STUB(spdk_nvme_ctrlr_get_num_ns, uint32_t, (struct spdk_nvme_ctrlr *ctrlr), 128);
static uint32_t g_active_num_ns = 4;
static uint32_t g_active_nsid_min = 1;
bool
spdk_nvme_ctrlr_is_active_ns(struct spdk_nvme_ctrlr *ctrlr, uint32_t nsid)
{
return nsid >= g_active_nsid_min && nsid < g_active_num_ns + g_active_nsid_min;
}
DEFINE_STUB(spdk_nvme_ctrlr_reset, int, (struct spdk_nvme_ctrlr *ctrlr), 0);
DEFINE_STUB(spdk_nvme_ns_cmd_read, int, (struct spdk_nvme_ns *ns, struct spdk_nvme_qpair *qpair,
void *payload,
uint64_t lba, uint32_t lba_count, spdk_nvme_cmd_cb cb_fn, void *cb_arg,
uint32_t io_flags), 0);
DEFINE_STUB(spdk_nvme_ns_cmd_write, int, (struct spdk_nvme_ns *ns, struct spdk_nvme_qpair *qpair,
void *payload,
uint64_t lba, uint32_t lba_count, spdk_nvme_cmd_cb cb_fn, void *cb_arg,
uint32_t io_flags), 0);
DEFINE_STUB(spdk_nvme_ns_get_num_sectors, uint64_t, (struct spdk_nvme_ns *ns), 0);
DEFINE_STUB(spdk_nvme_ns_get_sector_size, uint32_t, (struct spdk_nvme_ns *ns), 0);
DEFINE_STUB_V(spdk_unaffinitize_thread, (void));
DEFINE_STUB(spdk_nvme_ctrlr_get_ns, struct spdk_nvme_ns *, (struct spdk_nvme_ctrlr *ctrlr,
uint32_t nsid), NULL);
static bool
wait_for_file(char *filename, bool exists)
{
int i;
for (i = 0; i < 1000; i++) {
if ((access(filename, F_OK) != -1) ^ (!exists)) {
return true;
}
usleep(100);
}
return false;
}
static void
verify_devices(struct spdk_nvme_ctrlr *ctrlr)
{
char ctrlr_name[256];
size_t ctrlr_name_size;
char ctrlr_dev[256], ns_dev[256 + 10];
uint32_t nsid, num_ns;
int rv;
ctrlr_name_size = sizeof(ctrlr_name);
rv = spdk_nvme_cuse_get_ctrlr_name(ctrlr, ctrlr_name, &ctrlr_name_size);
SPDK_CU_ASSERT_FATAL(rv == 0);
rv = snprintf(ctrlr_dev, sizeof(ctrlr_dev), "/dev/%s", ctrlr_name);
CU_ASSERT(rv > 0);
CU_ASSERT(wait_for_file(ctrlr_dev, true));
num_ns = spdk_nvme_ctrlr_get_num_ns(ctrlr);
for (nsid = 1; nsid <= num_ns; nsid++) {
snprintf(ns_dev, sizeof(ns_dev), "%sn%" PRIu32, ctrlr_dev, nsid);
if (spdk_nvme_ctrlr_is_active_ns(ctrlr, nsid)) {
CU_ASSERT(wait_for_file(ns_dev, true));
} else {
CU_ASSERT(wait_for_file(ns_dev, false));
}
}
/* Next one should never exist */
snprintf(ns_dev, sizeof(ns_dev), "%sn%" PRIu32, ctrlr_dev, nsid);
CU_ASSERT(wait_for_file(ns_dev, false));
}
static void
test_cuse_update(void)
{
int rc;
struct spdk_nvme_ctrlr ctrlr = {};
rc = nvme_cuse_start(&ctrlr);
CU_ASSERT(rc == 0);
g_active_num_ns = 4;
g_active_nsid_min = 1;
nvme_cuse_update(&ctrlr);
verify_devices(&ctrlr);
g_active_num_ns = 0;
nvme_cuse_update(&ctrlr);
verify_devices(&ctrlr);
g_active_num_ns = 4;
g_active_nsid_min = spdk_nvme_ctrlr_get_num_ns(&ctrlr) - g_active_num_ns;
nvme_cuse_update(&ctrlr);
verify_devices(&ctrlr);
g_active_num_ns = 2;
g_active_nsid_min = 2;
nvme_cuse_update(&ctrlr);
verify_devices(&ctrlr);
g_active_num_ns = 10;
g_active_nsid_min = 5;
nvme_cuse_update(&ctrlr);
verify_devices(&ctrlr);
g_active_num_ns = 5;
g_active_nsid_min = 3;
nvme_cuse_update(&ctrlr);
verify_devices(&ctrlr);
g_active_num_ns = 6;
g_active_nsid_min = 1;
nvme_cuse_update(&ctrlr);
verify_devices(&ctrlr);
nvme_cuse_stop(&ctrlr);
}
int main(int argc, char **argv)
{
CU_pSuite suite = NULL;
unsigned int num_failures;
CU_set_error_action(CUEA_ABORT);
CU_initialize_registry();
suite = CU_add_suite("nvme_cuse", NULL, NULL);
CU_ADD_TEST(suite, test_cuse_update);
CU_basic_set_mode(CU_BRM_VERBOSE);
CU_basic_run_tests();
num_failures = CU_get_number_of_failures();
CU_cleanup_registry();
return num_failures;
}

3
test/nvme/nvme.sh
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@ -117,6 +117,9 @@ run_test "nvme_reserve" $testdir/reserve/reserve
run_test "nvme_err_injection" $testdir/err_injection/err_injection
run_test "nvme_overhead" $testdir/overhead/overhead -s 4096 -t 1 -H
run_test "nvme_arbitration" $rootdir/examples/nvme/arbitration/arbitration -t 3 -i 0
if [ $SPDK_TEST_NVME_CUSE -eq 1 ]; then
run_test "nvme_cuse" $testdir/cuse/cuse
fi
if [[ $CONFIG_FIO_PLUGIN == y ]]; then
run_test "nvme_fio" nvme_fio_test