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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 "spdk/env.h"
#include "common/lib/test_env.c"
#include "nvme/nvme_uevent.c"
#ifdef __linux__
enum uevent_parse_event_return_type {
uevent_abnormal_exit = -1,
uevent_normal_exit = 0,
uevent_expected_continue = 1
};
#define SPDK_NVME_UEVENT_SUBSYSTEM_NULL 0xFF
static void
test_nvme_uevent_parse_event(void)
{
char *commands;
struct spdk_uevent uevent = {};
int rc = uevent_normal_exit;
/* Simulate commands to check expected behaviors */
/* Linux kernel puts null characters after every uevent */
/* Case 1: Add wrong non-uio or vfio-pci /devices/pci0000:80/0000:80:01.0/0000:81:00.0/uio/uio0 */
commands =
"ACTION=add\0DEVPATH=/devices/pci0000:80/0000:80:01.0/0000:81:00.0/uio/uio0\0SUBSYSTEM= \0DRIVER= \0PCI_SLOT_NAME= \0";
uevent.subsystem = SPDK_NVME_UEVENT_SUBSYSTEM_NULL;
uevent.action = 0;
rc = parse_event(commands, &uevent);
CU_ASSERT(rc == uevent_abnormal_exit);
CU_ASSERT(uevent.subsystem == SPDK_NVME_UEVENT_SUBSYSTEM_NULL);
CU_ASSERT(uevent.action == SPDK_NVME_UEVENT_ADD);
/* Case 2: Add uio /devices/pci0000:80/0000:80:01.0/0000:81:00.0/uio/uio0 */
commands =
"ACTION=add \0DEVPATH=/devices/pci0000:80/0000:80:01.0/0000:81:00.0/uio/uio0\0SUBSYSTEM=uio\0DRIVER=\0PCI_SLOT_NAME= \0";
uevent.subsystem = SPDK_NVME_UEVENT_SUBSYSTEM_NULL;
uevent.action = 0;
rc = parse_event(commands, &uevent);
CU_ASSERT(rc == uevent_expected_continue);
CU_ASSERT(uevent.subsystem == SPDK_NVME_UEVENT_SUBSYSTEM_UIO);
CU_ASSERT(uevent.action == SPDK_NVME_UEVENT_ADD);
/* Case 3: Remove uio /devices/pci0000:80/0000:80:01.0/0000:81:00.0/uio/uio0 */
commands =
"ACTION=remove\0DEVPATH=/devices/pci0000:80/0000:80:01.0/0000:81:00.0/uio/uio0\0SUBSYSTEM=uio\0DRIVER=\0PCI_SLOT_NAME= \0";
uevent.subsystem = SPDK_NVME_UEVENT_SUBSYSTEM_NULL;
rc = parse_event(commands, &uevent);
CU_ASSERT(rc == uevent_expected_continue);
CU_ASSERT(uevent.subsystem == SPDK_NVME_UEVENT_SUBSYSTEM_UIO);
CU_ASSERT(uevent.action == SPDK_NVME_UEVENT_REMOVE);
/* Case 4: Add vfio-pci 0000:81:00.0 */
commands = "ACTION=bind\0DEVPATH=\0SUBSYSTEM= \0DRIVER=vfio-pci\0PCI_SLOT_NAME=0000:81:00.0\0";
uevent.subsystem = SPDK_NVME_UEVENT_SUBSYSTEM_NULL;
rc = parse_event(commands, &uevent);
CU_ASSERT(rc == uevent_expected_continue);
CU_ASSERT(uevent.subsystem == SPDK_NVME_UEVENT_SUBSYSTEM_VFIO);
CU_ASSERT(uevent.action == SPDK_NVME_UEVENT_ADD);
/* Case 5: Remove vfio-pci 0000:81:00.0 */
commands = "ACTION=remove\0DEVPATH= \0SUBSYSTEM= \0DRIVER=vfio-pci \0PCI_SLOT_NAME=0000:81:00.0\0";
uevent.subsystem = SPDK_NVME_UEVENT_SUBSYSTEM_NULL;
rc = parse_event(commands, &uevent);
CU_ASSERT(rc == uevent_expected_continue);
CU_ASSERT(uevent.subsystem == SPDK_NVME_UEVENT_SUBSYSTEM_VFIO);
CU_ASSERT(uevent.action == SPDK_NVME_UEVENT_REMOVE);
/* Case 6: Add wrong vfio-pci addr 000000 */
commands = "ACTION=bind\0DEVPATH= \0SUBSYSTEM= \0DRIVER=vfio-pci \0PCI_SLOT_NAME=000000\0";
uevent.subsystem = SPDK_NVME_UEVENT_SUBSYSTEM_NULL;
rc = parse_event(commands, &uevent);
CU_ASSERT(rc == uevent_abnormal_exit);
CU_ASSERT(uevent.subsystem == SPDK_NVME_UEVENT_SUBSYSTEM_VFIO);
CU_ASSERT(uevent.action == SPDK_NVME_UEVENT_ADD);
/* Case 7: Add wrong type vfio 0000:81:00.0 */
commands = "ACTION=bind\0DEVPATH= \0SUBSYSTEM= \0DRIVER=vfio \0PCI_SLOT_NAME=0000:81:00.0\0";
uevent.subsystem = SPDK_NVME_UEVENT_SUBSYSTEM_NULL;
uevent.action = 0;
rc = parse_event(commands, &uevent);
CU_ASSERT(rc == uevent_abnormal_exit);
CU_ASSERT(uevent.subsystem == SPDK_NVME_UEVENT_SUBSYSTEM_NULL);
CU_ASSERT(uevent.action == SPDK_NVME_UEVENT_ADD);
}
#else
static void
test_nvme_uevent_parse_event(void)
{
CU_ASSERT(1);
}
#endif
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_uevent", NULL, NULL);
CU_ADD_TEST(suite, test_nvme_uevent_parse_event);
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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