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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;
}
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