static int
qat_engine_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f) (void))
{
unsigned int retVal = 1;
CpaStatus status = CPA_STATUS_SUCCESS;
int flags = 0;
int fd = 0;
switch (cmd) {
case QAT_CMD_POLL:
if (qatInstanceHandles == NULL) {
/*
* It is possible to call this ctrl function while the engine is
* in a state where there are no instances available. This
* happens for example immediately when the engine is waiting
* for get_next_inst() to be called.
*
* To avoid this condition we call get_next_inst()
*/
get_next_inst();
BREAK_IF(qatInstanceHandles == NULL, "POLL failed as no instances are available\n");
}
BREAK_IF(!engine_inited, "POLL failed as engine is not initialized\n");
BREAK_IF(!enable_external_polling, "POLL failed as external polling is not enabled\n");
BREAK_IF(p == NULL, "POLL failed as the input parameter was NULL\n");
*(int *)p = (int)poll_instances();
break;
case QAT_CMD_ENABLE_EXTERNAL_POLLING:
BREAK_IF(engine_inited, \
"ENABLE_EXTERNAL_POLLING failed as the engine is already initialized\n");
DEBUG("[%s] Enabled external polling\n", __func__);
enable_external_polling = 1;
break;
case QAT_CMD_GET_EXTERNAL_POLLING_FD:
BREAK_IF(!enable_event_driven_polling || !enable_external_polling, \
"GET_EXTERNAL_POLLING_FD failed as this engine message is only supported \
when running in Event Driven Mode with External Polling enabled\n");
if (qatInstanceHandles == NULL) {
get_next_inst();
BREAK_IF(qatInstanceHandles == NULL, \
"GET_EXTERNAL_POLLING_FD failed as no instances are available\n");
}
BREAK_IF(!engine_inited, \
"GET_EXTERNAL_POLLING_FD failed as the engine is not initialized\n");
BREAK_IF(p == NULL, "GET_EXTERNAL_POLLING_FD failed as the input parameter was NULL\n");
BREAK_IF(i >= numInstances, \
"GET_EXTERNAL_POLLING_FD failed as the instance does not exist\n");
/* Get the file descriptor for the instance */
status = icp_sal_CyGetFileDescriptor(qatInstanceHandles[i], &fd);
BREAK_IF(CPA_STATUS_FAIL == status, \
"GET_EXTERNAL_POLLING_FD failed as there was an error retrieving the fd\n");
/* Make the file descriptor non-blocking */
flags = fcntl(fd, F_GETFL, 0);
fcntl(fd, F_SETFL, flags | O_NONBLOCK);
DEBUG("[%s] External polling FD for instance[%d] = %d\n", __func__, i, fd);
*(int *)p = fd;
break;
case QAT_CMD_ENABLE_EVENT_DRIVEN_POLLING_MODE:
DEBUG("[%s] Enabled event driven polling mode\n", __func__);
BREAK_IF(engine_inited, \
"ENABLE_EVENT_DRIVEN_POLLING_MODE failed as the engine is already initialized\n");
enable_event_driven_polling = 1;
break;
case QAT_CMD_DISABLE_EVENT_DRIVEN_POLLING_MODE:
DEBUG("[%s] Disabled event driven polling mode\n", __func__);
BREAK_IF(engine_inited, \
"DISABLE_EVENT_DRIVEN_POLLING_MODE failed as the engine is already initialized\n");
enable_event_driven_polling = 0;
break;
case QAT_CMD_SET_INSTANCE_FOR_THREAD:
if (qatInstanceHandles == NULL) {
get_next_inst();
BREAK_IF(qatInstanceHandles == NULL, \
"SET_INSTANCE_FOR_THREAD failed as no instances are available\n");
}
BREAK_IF(!engine_inited, \
"SET_INSTANCE_FOR_THREAD failed as the engine is not initialized\n");
DEBUG("[%s] Set instance for thread = %d\n", __func__, i);
qat_set_instance_for_thread(i);
break;
case QAT_CMD_GET_NUM_OP_RETRIES:
BREAK_IF(p == NULL, "GET_NUM_OP_RETRIES failed as the input parameter was NULL\n");
BREAK_IF(!engine_inited, "GET_NUM_OP_RETRIES failed as the engine is not initialized\n");
*(int *)p = qatPerformOpRetries;
break;
case QAT_CMD_SET_MAX_RETRY_COUNT:
BREAK_IF(i < -1 || i > 100000,
"The Message retry count value is out of range, using default value\n");
DEBUG("[%s] Set max retry counter = %d\n", __func__, i);
qat_max_retry_count = (int)i;
break;
case QAT_CMD_SET_INTERNAL_POLL_INTERVAL:
BREAK_IF(i < 1 || i > 1000000,
"The polling interval value is out of range, using default value\n");
DEBUG("[%s] Set internal poll interval = %d ns\n", __func__, i);
qat_poll_interval = (useconds_t) i;
break;
case QAT_CMD_SET_EPOLL_TIMEOUT:
BREAK_IF(i < 1 || i > 10000,
"The epoll timeout value is out of range, using default value\n")
DEBUG("[%s] Set epoll_wait timeout = %d ms\n", __func__, i);
qat_epoll_timeout = (int) i;
break;
case QAT_CMD_GET_NUM_CRYPTO_INSTANCES:
BREAK_IF(p == NULL, \
"GET_NUM_CRYPTO_INSTANCES failed as the input parameter was NULL\n");
if (qatInstanceHandles == NULL) {
get_next_inst();
BREAK_IF(qatInstanceHandles == NULL, \
"GET_NUM_CRYPTO_INSTANCES failed as no instances are available\n");
}
BREAK_IF(!engine_inited, \
"GET_NUM_CRYPTO_INSTANCES failed as the engine is not initialized\n");
DEBUG("[%s] Get number of crypto instances = %d\n", __func__, numInstances);
*(int *)p = numInstances;
break;
case QAT_CMD_SET_CRYPTO_SMALL_PACKET_OFFLOAD_THRESHOLD:
#ifndef OPENSSL_ENABLE_QAT_SMALL_PACKET_CIPHER_OFFLOADS
if(p) {
char *token;
while((token = strsep((char **)&p, ","))) {
char *name_token = strsep(&token,":");
char *value_token = strsep(&token,":");
if(name_token && value_token) {
retVal = setQatSmallPacketThreshold(name_token, atoi(value_token));
} else {
WARN("Invalid parameter!\n");
retVal = 0;
}
}
} else {
WARN("Invalid parameter!\n");
retVal = 0;
}
#else
WARN("QAT_CMD_SET_CRYPTO_SMALL_PACKET_OFFLOAD_THRESHOLD is not supported\n");
retVal = 0;
#endif
break;
default:
WARN("CTRL command not implemented\n");
retVal = 0;
break;
}
return retVal;
}
static int
qat_engine_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f) (void))
{
unsigned int retVal = 1;
CpaStatus status = CPA_STATUS_SUCCESS;
int flags = 0;
int fd = 0;
switch (cmd) {
case QAT_CMD_POLL:
BREAK_IF(!engine_inited, "POLL failed as engine is not initialized\n");
BREAK_IF(qat_instance_handles == NULL, "POLL failed as no instances are available\n");
BREAK_IF(!enable_external_polling, "POLL failed as external polling is not enabled\n");
BREAK_IF(p == NULL, "POLL failed as the input parameter was NULL\n");
*(int *)p = (int)poll_instances();
break;
case QAT_CMD_ENABLE_EXTERNAL_POLLING:
BREAK_IF(engine_inited, \
"ENABLE_EXTERNAL_POLLING failed as the engine is already initialized\n");
DEBUG("Enabled external polling\n");
enable_external_polling = 1;
enable_inline_polling = 0;
break;
case QAT_CMD_ENABLE_INLINE_POLLING:
BREAK_IF(engine_inited, \
"ENABLE_INLINE_POLLING failed as the engine is already initialized\n");
DEBUG("Enabled inline polling\n");
enable_inline_polling = 1;
enable_external_polling = 0;
break;
case QAT_CMD_GET_EXTERNAL_POLLING_FD:
BREAK_IF(!enable_event_driven_polling || !enable_external_polling, \
"GET_EXTERNAL_POLLING_FD failed as this engine message is only supported \
when running in Event Driven Mode with External Polling enabled\n");
BREAK_IF(!engine_inited, \
"GET_EXTERNAL_POLLING_FD failed as the engine is not initialized\n");
BREAK_IF(qat_instance_handles == NULL, \
"GET_EXTERNAL_POLLING_FD failed as no instances are available\n");
BREAK_IF(p == NULL, "GET_EXTERNAL_POLLING_FD failed as the input parameter was NULL\n");
BREAK_IF(i >= qat_num_instances, \
"GET_EXTERNAL_POLLING_FD failed as the instance does not exist\n");
/* Get the file descriptor for the instance */
status = icp_sal_CyGetFileDescriptor(qat_instance_handles[i], &fd);
BREAK_IF(CPA_STATUS_FAIL == status, \
"GET_EXTERNAL_POLLING_FD failed as there was an error retrieving the fd\n");
/* Make the file descriptor non-blocking */
flags = fcntl(fd, F_GETFL, 0);
fcntl(fd, F_SETFL, flags | O_NONBLOCK);
DEBUG("External polling FD for instance[%ld] = %d\n", i, fd);
*(int *)p = fd;
break;
case QAT_CMD_ENABLE_EVENT_DRIVEN_POLLING_MODE:
DEBUG("Enabled event driven polling mode\n");
BREAK_IF(engine_inited, \
"ENABLE_EVENT_DRIVEN_POLLING_MODE failed as the engine is already initialized\n");
enable_event_driven_polling = 1;
break;
case QAT_CMD_DISABLE_EVENT_DRIVEN_POLLING_MODE:
DEBUG("Disabled event driven polling mode\n");
BREAK_IF(engine_inited, \
"DISABLE_EVENT_DRIVEN_POLLING_MODE failed as the engine is already initialized\n");
enable_event_driven_polling = 0;
break;
case QAT_CMD_SET_INSTANCE_FOR_THREAD:
BREAK_IF(!engine_inited, \
"SET_INSTANCE_FOR_THREAD failed as the engine is not initialized\n");
BREAK_IF(qat_instance_handles == NULL, \
"SET_INSTANCE_FOR_THREAD failed as no instances are available\n");
DEBUG("Set instance for thread = %ld\n", i);
qat_set_instance_for_thread(i);
break;
case QAT_CMD_GET_NUM_OP_RETRIES:
BREAK_IF(p == NULL, "GET_NUM_OP_RETRIES failed as the input parameter was NULL\n");
BREAK_IF(!engine_inited, "GET_NUM_OP_RETRIES failed as the engine is not initialized\n");
*(int *)p = qatPerformOpRetries;
break;
case QAT_CMD_SET_MAX_RETRY_COUNT:
BREAK_IF(i < -1 || i > 100000,
"The Message retry count value is out of range, using default value\n");
DEBUG("Set max retry counter = %ld\n", i);
qat_max_retry_count = (int)i;
break;
case QAT_CMD_SET_INTERNAL_POLL_INTERVAL:
BREAK_IF(i < 1 || i > 1000000,
"The polling interval value is out of range, using default value\n");
DEBUG("Set internal poll interval = %ld ns\n", i);
qat_poll_interval = (useconds_t) i;
break;
case QAT_CMD_SET_EPOLL_TIMEOUT:
BREAK_IF(i < 1 || i > 10000,
"The epoll timeout value is out of range, using default value\n")
DEBUG("Set epoll_wait timeout = %ld ms\n", i);
qat_epoll_timeout = (int) i;
break;
case QAT_CMD_GET_NUM_CRYPTO_INSTANCES:
BREAK_IF(p == NULL, \
"GET_NUM_CRYPTO_INSTANCES failed as the input parameter was NULL\n");
BREAK_IF(!engine_inited, \
"GET_NUM_CRYPTO_INSTANCES failed as the engine is not initialized\n");
BREAK_IF(qat_instance_handles == NULL, \
"GET_NUM_CRYPTO_INSTANCES failed as no instances are available\n");
DEBUG("Get number of crypto instances = %d\n", qat_num_instances);
*(int *)p = qat_num_instances;
break;
case QAT_CMD_SET_CRYPTO_SMALL_PACKET_OFFLOAD_THRESHOLD:
#ifndef OPENSSL_ENABLE_QAT_SMALL_PACKET_CIPHER_OFFLOADS
if(p) {
char *token;
char str_p[1024];
char *itr = str_p;
strncpy(str_p, (const char *)p, 1024);
while((token = strsep(&itr, ","))) {
char *name_token = strsep(&token,":");
char *value_token = strsep(&token,":");
if(name_token && value_token) {
retVal = qat_pkt_threshold_table_set_threshold(
name_token, atoi(value_token));
} else {
WARN("Invalid name_token or value_token\n");
retVal = 0;
}
}
} else {
WARN("Invalid p parameter\n");
retVal = 0;
}
#else
WARN("QAT_CMD_SET_CRYPTO_SMALL_PACKET_OFFLOAD_THRESHOLD is not supported\n");
retVal = 0;
#endif
break;
default:
WARN("CTRL command not implemented\n");
retVal = 0;
break;
}
if(!retVal) {
QATerr(QAT_F_QAT_ENGINE_CTRL, QAT_R_ENGINE_CTRL_CMD_FAILURE);
}
return retVal;
}
