Commit 2b9a331d authored by Tomasz Kulasek's avatar Tomasz Kulasek Committed by Tomasz Zawadzki
Browse files

test/nvme: dynamic nvme cuse devices update test 



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: default avatarTomasz 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: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: default avatarChangpeng Liu <changpeng.liu@intel.com>
Reviewed-by: default avatarTomasz Zawadzki <tomasz.zawadzki@intel.com>
parent 11aca204

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

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)

test/nvme/cuse/.gitignore

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cuse

test/nvme/cuse/Makefile

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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.

#



SPDK_ROOT_DIR := $(abspath $(CURDIR)/../../..)



TEST_FILE = cuse.c



include $(SPDK_ROOT_DIR)/mk/spdk.unittest.mk

test/nvme/cuse/cuse.c

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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_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;

}