/******************************************************************************
* function:
* qat_engine_finish(ENGINE *e)
*
* @param e [IN] - OpenSSL engine pointer
*
* description:
* Qat engine finish function.
******************************************************************************/
static int qat_engine_finish(ENGINE *e)
{
int i;
int ret = 1;
CpaStatus status = CPA_STATUS_SUCCESS;
ENGINE_EPOLL_ST *epollst = NULL;
DEBUG("[%s] ---- Engine Finishing...\n\n", __func__);
pthread_mutex_lock(&qat_engine_mutex);
keep_polling = 0;
if (qatInstanceHandles) {
for (i = 0; i < numInstances; i++) {
if(instance_started[i]) {
status = cpaCyStopInstance(qatInstanceHandles[i]);
if (CPA_STATUS_SUCCESS != status) {
WARN("cpaCyStopInstance failed, status=%d\n", status);
ret = 0;
}
if (0 == enable_external_polling && !qat_is_event_driven()) {
if ((pthread_t *) icp_polling_threads[i] != NULL) {
if (qat_join_thread(icp_polling_threads[i], NULL)) {
WARN("Polling thread join failed\n");
ret = 0;
}
}
}
instance_started[i] = 0;
}
}
}
if (0 == enable_external_polling && qat_is_event_driven()) {
if ((pthread_t *) icp_polling_threads[0] != NULL) {
if (qat_join_thread(icp_polling_threads[0], NULL)) {
WARN("Epoll thread join failed\n");
ret = 0;
}
}
}
if (qatInstanceHandles) {
OPENSSL_free(qatInstanceHandles);
qatInstanceHandles = NULL;
}
if (0 == enable_external_polling && qat_is_event_driven()) {
for (i = 0; i < numInstances; i++) {
epollst = (ENGINE_EPOLL_ST*)eng_epoll_events[i].data.ptr;
if (epollst) {
if (-1 ==
epoll_ctl(internal_efd, EPOLL_CTL_DEL,
epollst->eng_fd,
&eng_epoll_events[i])) {
WARN("Error removing fd from epoll\n");
ret = 0;
}
close(epollst->eng_fd);
}
}
}
if (0 == enable_external_polling) {
if (icp_polling_threads) {
OPENSSL_free(icp_polling_threads);
icp_polling_threads = NULL;
}
}
/* Reset global variables */
numInstances = 0;
icp_sal_userStop();
engine_inited = 0;
internal_efd = 0;
qatInstanceHandles = NULL;
keep_polling = 1;
enable_external_polling = 0;
enable_event_driven_polling = 0;
enable_instance_for_thread = 0;
qatPerformOpRetries = 0;
currInst = 0;
pthread_mutex_unlock(&qat_engine_mutex);
CRYPTO_CLOSE_QAT_LOG();
return ret;
}
int qat_engine_finish_int(ENGINE *e, int reset_globals)
{
int i;
int ret = 1;
CpaStatus status = CPA_STATUS_SUCCESS;
ENGINE_EPOLL_ST *epollst = NULL;
int pthread_kill_ret;
DEBUG("---- Engine Finishing...\n\n");
pthread_mutex_lock(&qat_engine_mutex);
keep_polling = 0;
if (qat_use_signals()) {
pthread_kill_ret = pthread_kill(timer_poll_func_thread, SIGUSR1);
if (pthread_kill_ret != 0) {
WARN("pthread_kill error\n");
QATerr(QAT_F_QAT_ENGINE_FINISH_INT, QAT_R_PTHREAD_KILL_FAILURE);
ret = 0;
}
}
if (qat_instance_handles) {
for (i = 0; i < qat_num_instances; i++) {
if(instance_started[i]) {
status = cpaCyStopInstance(qat_instance_handles[i]);
if (CPA_STATUS_SUCCESS != status) {
WARN("cpaCyStopInstance failed, status=%d\n", status);
QATerr(QAT_F_QAT_ENGINE_FINISH_INT, QAT_R_STOP_INSTANCE_FAILURE);
ret = 0;
}
instance_started[i] = 0;
}
}
}
/* If polling thread is different from the main thread, wait for polling
* thread to finish. pthread_equal returns 0 when threads are different.
*/
if (!enable_external_polling && !enable_inline_polling &&
pthread_equal(polling_thread, pthread_self()) == 0) {
if (qat_join_thread(polling_thread, NULL) != 0) {
WARN("Polling thread join failed with status: %d\n", ret);
QATerr(QAT_F_QAT_ENGINE_FINISH_INT, QAT_R_PTHREAD_JOIN_FAILURE);
ret = 0;
}
}
polling_thread = pthread_self();
if (qat_instance_handles) {
OPENSSL_free(qat_instance_handles);
qat_instance_handles = NULL;
}
if (!enable_external_polling && !enable_inline_polling &&
qat_is_event_driven()) {
for (i = 0; i < qat_num_instances; i++) {
epollst = (ENGINE_EPOLL_ST*)eng_epoll_events[i].data.ptr;
if (epollst) {
if (-1 ==
epoll_ctl(internal_efd, EPOLL_CTL_DEL,
epollst->eng_fd,
&eng_epoll_events[i])) {
WARN("Error removing fd from epoll\n");
QATerr(QAT_F_QAT_ENGINE_FINISH_INT, QAT_R_EPOLL_CTL_FAILURE);
ret = 0;
}
close(epollst->eng_fd);
}
}
}
/* Reset global variables */
qat_num_instances = 0;
icp_sal_userStop();
engine_inited = 0;
internal_efd = 0;
qat_instance_handles = NULL;
keep_polling = 1;
curr_inst = 0;
qatPerformOpRetries = 0;
/* Reset the configuration global variables (to their default values) only
* if requested, i.e. when we are not re-initializing the engine after
* forking
*/
if (reset_globals) {
enable_external_polling = 0;
enable_inline_polling = 0;
enable_event_driven_polling = 0;
enable_instance_for_thread = 0;
qat_poll_interval = QAT_POLL_PERIOD_IN_NS;
qat_max_retry_count = QAT_CRYPTO_NUM_POLLING_RETRIES;
}
pthread_mutex_unlock(&qat_engine_mutex);
CRYPTO_CLOSE_QAT_LOG();
return ret;
}