test/bdev: add simulated multi-thread unit tests (674c7097) · Commits · Public Repositories / spdk

test/unit/lib/bdev/Makefile

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		@@ -35,6 +35,7 @@ SPDK_ROOT_DIR := $(abspath $(CURDIR)/../../../..)
		include $(SPDK_ROOT_DIR)/mk/spdk.common.mk

		DIRS-y = bdev.c scsi_nvme.c gpt vbdev_lvol.c
		DIRS-y = bdev.c scsi_nvme.c gpt vbdev_lvol.c mt

		.PHONY: all clean $(DIRS-y)

test/unit/lib/bdev/mt/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)/../../../../..)
		include $(SPDK_ROOT_DIR)/mk/spdk.common.mk

		DIRS-y = bdev.c

		.PHONY: all clean $(DIRS-y)

		all: $(DIRS-y)
		clean: $(DIRS-y)

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

test/unit/lib/bdev/mt/bdev.c/.gitignore

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		bdev_ut

test/unit/lib/bdev/mt/bdev.c/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)/../../../../../..)
		include $(SPDK_ROOT_DIR)/mk/spdk.common.mk
		include $(SPDK_ROOT_DIR)/mk/spdk.app.mk
		include $(SPDK_ROOT_DIR)/mk/spdk.mock.unittest.mk

		SPDK_LIB_LIST = log util spdk_mock

		CFLAGS += -I$(SPDK_ROOT_DIR)/test
		CFLAGS += -I$(SPDK_ROOT_DIR)/lib/bdev
		LIBS += $(SPDK_LIB_LINKER_ARGS)
		LIBS += -lcunit

		APP = bdev_ut
		C_SRCS = bdev_ut.c

		all: $(APP)

		$(APP): $(OBJS) $(SPDK_LIB_FILES)
		$(LINK_C)

		clean:
		$(CLEAN_C) $(APP)

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

test/unit/lib/bdev/mt/bdev.c/bdev_ut.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 "lib/test_env.c"
		#include "lib/ut_multithread.c"

		/* HACK: disable VTune integration so the unit test doesn't need VTune headers and libs to build */
		#undef SPDK_CONFIG_VTUNE

		#include "bdev.c"

		#define BDEV_UT_NUM_THREADS 3

		DEFINE_STUB_V(spdk_scsi_nvme_translate, (const struct spdk_bdev_io *bdev_io,
		int sc, int sk, int asc, int ascq));

		struct ut_bdev {
		struct spdk_bdev bdev;
		int io_target;
		};

		struct ut_bdev g_bdev;
		struct spdk_bdev_desc *g_desc;

		static int
		stub_create_ch(void io_device, void ctx_buf)
		{
		return 0;
		}

		static void
		stub_destroy_ch(void io_device, void ctx_buf)
		{
		}

		static struct spdk_io_channel *
		stub_get_io_channel(void *ctx)
		{
		return spdk_get_io_channel(&g_bdev.io_target);
		}

		static int
		stub_destruct(void *ctx)
		{
		return 0;
		}

		static struct spdk_bdev_fn_table fn_table = {
		.get_io_channel = stub_get_io_channel,
		.destruct = stub_destruct,
		};

		static int
		module_init(void)
		{
		return 0;
		}

		static void
		module_fini(void)
		{
		}

		SPDK_BDEV_MODULE_REGISTER(bdev_ut, module_init, module_fini, NULL, NULL, NULL)

		static void
		register_bdev(void)
		{
		g_bdev.bdev.name = "bdev_ut";
		g_bdev.bdev.fn_table = &fn_table;
		g_bdev.bdev.module = SPDK_GET_BDEV_MODULE(bdev_ut);

		spdk_io_device_register(&g_bdev.io_target, stub_create_ch, stub_destroy_ch, 0);
		spdk_bdev_register(&g_bdev.bdev);
		}

		static void
		unregister_bdev(void)
		{
		/* Handle any deferred messages. */
		poll_threads();
		spdk_bdev_unregister(&g_bdev.bdev);
		spdk_io_device_unregister(&g_bdev.io_target, NULL);
		memset(&g_bdev, 0, sizeof(g_bdev));
		}

		static void
		bdev_init_cb(void *done, int rc)
		{
		CU_ASSERT(rc == 0);
		(bool )done = true;
		}

		static void
		setup_test(void)
		{
		bool done = false;

		allocate_threads(BDEV_UT_NUM_THREADS);
		spdk_bdev_initialize(bdev_init_cb, &done, NULL, NULL);
		register_bdev();
		spdk_bdev_open(&g_bdev.bdev, true, NULL, NULL, &g_desc);
		}

		static void
		teardown_test(void)
		{
		spdk_bdev_close(g_desc);
		g_desc = NULL;
		unregister_bdev();
		spdk_bdev_finish();
		free_threads();
		}

		static void
		test1(void)
		{
		setup_test();

		set_thread(0);

		g_ut_threads[0].ch = spdk_bdev_get_io_channel(g_desc);
		spdk_put_io_channel(g_ut_threads[0].ch);

		teardown_test();
		}

		int
		main(int argc, char **argv)
		{
		CU_pSuite suite = NULL;
		unsigned int num_failures;

		if (CU_initialize_registry() != CUE_SUCCESS) {
		return CU_get_error();
		}

		suite = CU_add_suite("bdev", NULL, NULL);
		if (suite == NULL) {
		CU_cleanup_registry();
		return CU_get_error();
		}

		if (
		CU_add_test(suite, "test1", test1) == 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;
		}