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e_qat.c
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/* ====================================================================
*
*
* BSD LICENSE
*
* Copyright(c) 2016-2021 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.
*
*
* ====================================================================
*/
/*****************************************************************************
* @file e_qat.c
*
* This file provides a OpenSSL engine for the quick assist API
*
*****************************************************************************/
/* macros defined to allow use of the cpu get and set affinity functions */
#ifndef _GNU_SOURCE
# define _GNU_SOURCE
#endif
#ifndef __USE_GNU
# define __USE_GNU
#endif
/* Defines */
#ifdef QAT_HW
# define QAT_DEV "/dev/qat_dev_processes"
# if defined(USE_QAT_CONTIG_MEM) && !defined(USE_USDM_MEM)
# define QAT_MEM_DEV "/dev/qat_contig_mem"
# elif defined(USE_USDM_MEM) && !defined(USE_QAT_CONTIG_MEM)
# define QAT_MEM_DEV "/dev/usdm_drv"
# elif defined(USE_USDM_MEM) && defined(USE_QAT_CONFIG_MEM)
# error "USE_QAT_CONTIG_MEM and USE_USDM_MEM both defined"
# else
# error "No memory driver type defined"
# endif
# ifdef QAT_HW_INTREE
# define ENABLE_QAT_HW_SHA3
# define ENABLE_QAT_HW_CHACHAPOLY
# endif
#endif
/* Standard Includes */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <pthread.h>
#include <unistd.h>
#include <ctype.h>
#include <fcntl.h>
#ifndef __FreeBSD__
# include <sys/epoll.h>
# include <sys/types.h>
# include <sys/eventfd.h>
#endif
#include <unistd.h>
#include <signal.h>
#include <time.h>
/* Local Includes */
#include "e_qat.h"
#include "qat_fork.h"
#include "qat_evp.h"
#include "qat_utils.h"
#ifdef QAT_HW
# include "qat_hw_ciphers.h"
# include "qat_hw_polling.h"
# include "qat_hw_rsa.h"
# include "qat_hw_dsa.h"
# include "qat_hw_dh.h"
# include "qat_hw_gcm.h"
/* QAT includes */
# include "cpa.h"
# include "cpa_cy_im.h"
# include "cpa_cy_common.h"
# include "cpa_types.h"
# include "icp_sal_user.h"
# include "icp_sal_poll.h"
#endif
#ifdef QAT_SW
# include "qat_sw_rsa.h"
# include "qat_sw_ecx.h"
# include "qat_sw_ec.h"
# include "qat_sw_polling.h"
# include "crypto_mb/cpu_features.h"
#endif
#ifdef QAT_SW_IPSEC
# include "qat_sw_gcm.h"
#endif
/* OpenSSL Includes */
#include <openssl/err.h>
#if OPENSSL_VERSION_NUMBER >= 0x10100000L
# include <openssl/async.h>
#endif
#include <openssl/objects.h>
#include <openssl/crypto.h>
#ifdef QAT_SW_IPSEC
/* __cpuid(unsinged int info[4], unsigned int leaf, unsigned int subleaf); */
# define __cpuid(x, y, z) \
asm volatile("cpuid" : "=a"(x[0]), "=b"(x[1]), "=c"(x[2]), "=d"(x[3]) : "a"(y), "c"(z))
# define Genu 0x756e6547
# define ineI 0x49656e69
# define ntel 0x6c65746e
# define VAES_BIT 9
# define VPCLMULQDQ_BIT 10
# define AVX512F_BIT 16
#endif
#define QAT_MAX_INPUT_STRING_LENGTH 1024
#ifndef QAT_ENGINE_ID
# define QAT_ENGINE_ID qatengine
#endif
/* Qat engine id declaration */
const char *engine_qat_id = STR(QAT_ENGINE_ID);
#if defined(QAT_HW) && defined(QAT_SW)
const char *engine_qat_name =
"Reference implementation of QAT crypto engine(qat_hw & qat_sw) v0.6.10";
#elif QAT_HW
const char *engine_qat_name =
"Reference implementation of QAT crypto engine(qat_hw) v0.6.10";
#else
const char *engine_qat_name =
"Reference implementation of QAT crypto engine(qat_sw) v0.6.10";
#endif
unsigned int engine_inited = 0;
int qat_hw_offload = 0;
int qat_sw_offload = 0;
int qat_hw_rsa_offload = 0;
int qat_hw_ecx_offload = 0;
int qat_hw_ecdh_offload = 0;
int qat_hw_ecdsa_offload = 0;
int qat_hw_prf_offload = 0;
int qat_hw_hkdf_offload = 0;
int qat_hw_gcm_offload = 0;
int qat_sw_rsa_offload = 0;
int qat_sw_ecx_offload = 0;
int qat_sw_ecdh_offload = 0;
int qat_sw_ecdsa_offload = 0;
int qat_sw_gcm_offload = 0;
int qat_sw_sm2_offload = 0;
int qat_sw_sm3_offload = 0;
int qat_keep_polling = 1;
int multibuff_keep_polling = 1;
int enable_external_polling = 0;
int enable_heuristic_polling = 0;
pthread_mutex_t qat_engine_mutex = PTHREAD_MUTEX_INITIALIZER;
pthread_t qat_polling_thread;
/* QAT number of inflight requests */
int num_requests_in_flight = 0;
int num_asym_requests_in_flight = 0;
int num_kdf_requests_in_flight = 0;
int num_cipher_pipeline_requests_in_flight = 0;
/* Multi-buffer number of items in queue */
int num_asym_mb_items_in_queue = 0;
int num_kdf_mb_items_in_queue = 0;
int num_cipher_mb_items_in_queue = 0;
sigset_t set = {{0}};
pthread_t qat_timer_poll_func_thread = 0;
int cleared_to_start = 0;
int qat_sw_ipsec = 0;
#ifdef QAT_HW
# define QAT_CONFIG_SECTION_NAME_SIZE 64
char qat_config_section_name[QAT_CONFIG_SECTION_NAME_SIZE] = "SHIM";
char *ICPConfigSectionName_libcrypto = qat_config_section_name;
int enable_inline_polling = 0;
int enable_event_driven_polling = 0;
int enable_instance_for_thread = 0;
int disable_qat_offload = 0;
int enable_sw_fallback = 0;
CpaInstanceHandle *qat_instance_handles = NULL;
Cpa16U qat_num_instances = 0;
Cpa32U qat_num_devices = 0;
pthread_key_t thread_local_variables;
pthread_mutex_t qat_instance_mutex = PTHREAD_MUTEX_INITIALIZER;
qat_instance_details_t qat_instance_details[QAT_MAX_CRYPTO_INSTANCES] = {{{0}}};
qat_accel_details_t qat_accel_details[QAT_MAX_CRYPTO_ACCELERATORS] = {{0}};
useconds_t qat_poll_interval = QAT_POLL_PERIOD_IN_NS;
int qat_epoll_timeout = QAT_EPOLL_TIMEOUT_IN_MS;
int qat_max_retry_count = QAT_CRYPTO_NUM_POLLING_RETRIES;
#endif
#ifdef QAT_SW
/* RSA */
BIGNUM *e_check = NULL;
mb_thread_data *mb_tlv = NULL;
pthread_key_t mb_thread_key;
#endif
const ENGINE_CMD_DEFN qat_cmd_defns[] = {
{
QAT_CMD_ENABLE_EXTERNAL_POLLING,
"ENABLE_EXTERNAL_POLLING",
"Enables the external polling interface to the engine.",
ENGINE_CMD_FLAG_NO_INPUT},
{
QAT_CMD_POLL,
"POLL",
"Polls the engine for any completed requests",
ENGINE_CMD_FLAG_NO_INPUT},
#ifdef QAT_HW
{
QAT_CMD_SET_INSTANCE_FOR_THREAD,
"SET_INSTANCE_FOR_THREAD",
"Set instance to be used by this thread",
ENGINE_CMD_FLAG_NUMERIC},
{
QAT_CMD_GET_NUM_OP_RETRIES,
"GET_NUM_OP_RETRIES",
"Get number of retries",
ENGINE_CMD_FLAG_NO_INPUT},
{
QAT_CMD_SET_MAX_RETRY_COUNT,
"SET_MAX_RETRY_COUNT",
"Set maximum retry count",
ENGINE_CMD_FLAG_NUMERIC},
{
QAT_CMD_SET_INTERNAL_POLL_INTERVAL,
"SET_INTERNAL_POLL_INTERVAL",
"Set internal polling interval",
ENGINE_CMD_FLAG_NUMERIC},
# ifndef __FreeBSD__
{
QAT_CMD_GET_EXTERNAL_POLLING_FD,
"GET_EXTERNAL_POLLING_FD",
"Returns non blocking fd for crypto engine",
ENGINE_CMD_FLAG_NO_INPUT},
{
QAT_CMD_ENABLE_EVENT_DRIVEN_POLLING_MODE,
"ENABLE_EVENT_DRIVEN_POLLING_MODE",
"Set event driven polling mode",
ENGINE_CMD_FLAG_NO_INPUT},
# endif
{
QAT_CMD_GET_NUM_CRYPTO_INSTANCES,
"GET_NUM_CRYPTO_INSTANCES",
"Get the number of crypto instances",
ENGINE_CMD_FLAG_NO_INPUT},
# ifndef __FreeBSD__
{
QAT_CMD_DISABLE_EVENT_DRIVEN_POLLING_MODE,
"DISABLE_EVENT_DRIVEN_POLLING_MODE",
"Unset event driven polling mode",
ENGINE_CMD_FLAG_NO_INPUT},
# endif
{
QAT_CMD_SET_EPOLL_TIMEOUT,
"SET_EPOLL_TIMEOUT",
"Set epoll_wait timeout",
ENGINE_CMD_FLAG_NUMERIC},
{
QAT_CMD_SET_CRYPTO_SMALL_PACKET_OFFLOAD_THRESHOLD,
"SET_CRYPTO_SMALL_PACKET_OFFLOAD_THRESHOLD",
"Set QAT small packet threshold",
ENGINE_CMD_FLAG_STRING},
{
QAT_CMD_ENABLE_INLINE_POLLING,
"ENABLE_INLINE_POLLING",
"Enables the inline polling mode.",
ENGINE_CMD_FLAG_NO_INPUT},
#endif
{
QAT_CMD_ENABLE_HEURISTIC_POLLING,
"ENABLE_HEURISTIC_POLLING",
"Enable the heuristic polling mode",
ENGINE_CMD_FLAG_NO_INPUT},
{
QAT_CMD_GET_NUM_REQUESTS_IN_FLIGHT,
"GET_NUM_REQUESTS_IN_FLIGHT",
"Get the number of in-flight requests",
ENGINE_CMD_FLAG_NUMERIC},
{
QAT_CMD_INIT_ENGINE,
"INIT_ENGINE",
"Initializes the engine if not already initialized",
ENGINE_CMD_FLAG_NO_INPUT},
#ifdef QAT_HW
{
QAT_CMD_SET_CONFIGURATION_SECTION_NAME,
"SET_CONFIGURATION_SECTION_NAME",
"Set the configuration section to use in QAT driver configuration file",
ENGINE_CMD_FLAG_STRING},
# ifndef __FreeBSD__
{
QAT_CMD_ENABLE_SW_FALLBACK,
"ENABLE_SW_FALLBACK",
"Enables the fallback to SW if the acceleration devices go offline",
ENGINE_CMD_FLAG_NO_INPUT},
{
QAT_CMD_HEARTBEAT_POLL,
"HEARTBEAT_POLL",
"Check the acceleration devices are still functioning",
ENGINE_CMD_FLAG_NO_INPUT},
# endif
{
QAT_CMD_DISABLE_QAT_OFFLOAD,
"DISABLE_QAT_OFFLOAD",
"Perform crypto operations on core",
ENGINE_CMD_FLAG_NO_INPUT},
#endif
{0, NULL, NULL, 0}
};
/******************************************************************************
* function:
* qat_engine_destroy(ENGINE *e)
*
* @param e [IN] - OpenSSL engine pointer
*
* description:
* Qat engine destroy function, required by Openssl engine API.
* Cleanup all the method structures here.
*
******************************************************************************/
static int qat_engine_destroy(ENGINE *e)
{
DEBUG("---- Destroying Engine...\n\n");
#ifdef QAT_HW
qat_free_DH_methods();
qat_free_DSA_methods();
qat_free_RSA_methods();
#endif
#ifdef QAT_SW
multibuff_free_RSA_methods();
#endif
#if defined(QAT_SW) || defined(QAT_HW)
qat_free_EC_methods();
#endif
#if defined(QAT_SW_IPSEC) || defined(QAT_HW)
qat_free_ciphers();
#endif
#ifdef QAT_SW_IPSEC
# ifdef ENABLE_QAT_SW_GCM
vaesgcm_free_ipsec_mb_mgr();
# endif
#endif
qat_hw_ecx_offload = 0;
qat_hw_prf_offload = 0;
qat_hw_hkdf_offload = 0;
qat_sw_ecx_offload = 0;
QAT_DEBUG_LOG_CLOSE();
ERR_unload_QAT_strings();
return 1;
}
#ifdef QAT_SW_IPSEC
static int hw_support(void) {
unsigned int info[4] = {0, 0, 0, 0};
unsigned int *ebx, *ecx, *edx;
ebx = &info[1];
ecx = &info[2];
edx = &info[3];
/* Is this an Intel CPU? */
__cpuid(info, 0x00, 0);
if (*ebx != Genu || *ecx != ntel || *edx != ineI)
return 0;
__cpuid(info, 0x07, 0);
unsigned int avx512f = 0;
unsigned int vaes = 0;
unsigned int vpclmulqdq = 0;
if (*ebx & (0x1 << AVX512F_BIT))
avx512f = 1;
if (*ecx & (0x1 << VAES_BIT))
vaes = 1;
if (*ecx & (0x1 << VPCLMULQDQ_BIT))
vpclmulqdq = 1;
DEBUG("Processor Support - AVX512F = %u, VAES = %u, VPCLMULQDQ = %u\n",
avx512f, vaes, vpclmulqdq);
if (avx512f && vaes && vpclmulqdq) {
qat_sw_ipsec = 1;
return 1;
} else {
WARN("Processor unsupported - AVX512F = %u, VAES = %u, VPCLMULQDQ = %u\n",
avx512f, vaes, vpclmulqdq);
return 0;
}
}
#endif
int qat_pthread_mutex_lock(void)
{
int ret = 0;
ret = pthread_mutex_lock(&qat_engine_mutex);
if (ret != 0) {
WARN("pthread mutex lock failure\n");
}
return ret;
}
int qat_pthread_mutex_unlock(void)
{
int ret = 0;
ret = pthread_mutex_unlock(&qat_engine_mutex);
if (ret != 0) {
WARN("pthread mutex unlock failure\n");
}
return ret;
}
int qat_engine_init(ENGINE *e)
{
qat_pthread_mutex_lock();
if (engine_inited) {
qat_pthread_mutex_unlock();
return 1;
}
CRYPTO_INIT_QAT_LOG();
DEBUG("QAT Engine initialization:\n");
#ifdef QAT_HW
if (qat_hw_offload) {
if (!qat_init(e)) {
WARN("QAT initialization Failed\n");
return 0;
}
}
#endif
#ifdef QAT_SW
if (qat_sw_offload) {
if (!multibuff_init(e)) {
WARN("Multibuff initialization Failed\n");
return 0;
}
}
#endif
engine_inited = 1;
qat_pthread_mutex_unlock();
return 1;
}
int qat_engine_finish_int(ENGINE *e, int reset_globals)
{
int ret = 1;
DEBUG("---- QAT Engine Finishing...\n\n");
qat_pthread_mutex_lock();
#ifdef QAT_HW
if (qat_hw_offload) {
ret = qat_finish_int(e, reset_globals);
}
#endif
#ifdef QAT_SW
if (qat_sw_offload) {
ret = multibuff_finish_int(e, reset_globals);
}
#endif
engine_inited = 0;
if (reset_globals == QAT_RESET_GLOBALS) {
enable_external_polling = 0;
enable_heuristic_polling = 0;
qat_hw_offload = 0;
qat_sw_offload = 0;
}
qat_pthread_mutex_unlock();
CRYPTO_CLOSE_QAT_LOG();
return ret;
}
/******************************************************************************
* * function:
* qat_engine_finish(ENGINE *e)
*
* @param e [IN] - OpenSSL engine pointer
*
* description:
* Qat engine finish function with standard signature.
* This is a wrapper for qat_engine_finish_int that always resets all the
* global variables used to store the engine configuration.
******************************************************************************/
int qat_engine_finish(ENGINE *e)
{
return qat_engine_finish_int(e, QAT_RESET_GLOBALS);
}
/******************************************************************************
* function:
* qat_engine_ctrl(ENGINE *e, int cmd, long i,
* void *p, void (*f)(void))
*
* @param e [IN] - OpenSSL engine pointer
* @param cmd [IN] - Control Command
* @param i [IN] - Unused
* @param p [IN] - Parameters for the command
* @param f [IN] - Callback function
*
* description:
* Qat engine control functions.
* Note: QAT_CMD_ENABLE_EXTERNAL_POLLING should be called at the following
* point during startup:
* ENGINE_load_qat
* ENGINE_by_id
* ---> ENGINE_ctrl_cmd(QAT_CMD_ENABLE_EXTERNAL_POLLING)
* ENGINE_init
******************************************************************************/
int qat_engine_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f) (void))
{
unsigned int retVal = 1;
#ifdef QAT_HW
# ifndef __FreeBSD__
CpaStatus status = CPA_STATUS_SUCCESS;
int flags = 0;
int fd = 0;
int fcntl_ret = -1;
# endif
#endif
switch (cmd) {
case QAT_CMD_POLL:
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");
#ifdef QAT_HW
if (qat_hw_offload) {
BREAK_IF(qat_instance_handles == NULL, "POLL failed as no instances are available\n");
*(int *)p = (int)poll_instances();
}
#endif
#ifdef QAT_SW
*(int *)p = multibuff_poll();
#endif
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;
#ifdef QAT_HW
enable_inline_polling = 0;
#endif
break;
#ifdef QAT_HW
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;
# ifndef __FreeBSD__
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 = qat_fcntl(fd, F_GETFL, 0);
fcntl_ret = qat_fcntl(fd, F_SETFL, flags | O_NONBLOCK);
BREAK_IF(fcntl_ret == -1, \
"GET_EXTERNAL_POLLING_FD failed as there was an error in setting the fd as NONBLOCKING\n");
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;
# endif
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);
retVal = 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 ENABLE_QAT_HW_SMALL_PKT_OFFLOAD
if (p != NULL) {
char *token;
char str_p[QAT_MAX_INPUT_STRING_LENGTH];
char *itr = str_p;
strncpy(str_p, (const char *)p, QAT_MAX_INPUT_STRING_LENGTH - 1);
str_p[QAT_MAX_INPUT_STRING_LENGTH - 1] = '\0';
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;
#endif
case QAT_CMD_ENABLE_HEURISTIC_POLLING:
BREAK_IF(engine_inited,
"ENABLE_HEURISTIC_POLLING failed as the engine is already initialized\n");
BREAK_IF(!enable_external_polling,
"ENABLE_HEURISTIC_POLLING failed as external polling is not enabled\n");
DEBUG("Enabled heuristic polling\n");
enable_heuristic_polling = 1;
break;
case QAT_CMD_GET_NUM_REQUESTS_IN_FLIGHT:
BREAK_IF(p == NULL,
"GET_NUM_REQUESTS_IN_FLIGHT failed as the input parameter was NULL\n");
if (i == GET_NUM_ASYM_REQUESTS_IN_FLIGHT) {
*(int **)p = &num_asym_requests_in_flight;
} else if (i == GET_NUM_KDF_REQUESTS_IN_FLIGHT) {
*(int **)p = &num_kdf_requests_in_flight;
} else if (i == GET_NUM_CIPHER_PIPELINE_REQUESTS_IN_FLIGHT) {
*(int **)p = &num_cipher_pipeline_requests_in_flight;
} else if (i == GET_NUM_ASYM_MB_ITEMS_IN_QUEUE) {
*(int **)p = &num_asym_mb_items_in_queue;
} else if (i == GET_NUM_KDF_MB_ITEMS_IN_QUEUE) {
*(int **)p = &num_kdf_mb_items_in_queue;
} else if (i == GET_NUM_SYM_MB_ITEMS_IN_QUEUE) {
*(int **)p = &num_cipher_mb_items_in_queue;
} else {
WARN("Invalid i parameter\n");
retVal = 0;
}
break;
case QAT_CMD_INIT_ENGINE:
DEBUG("Init engine\n");
if ((retVal = qat_engine_init(e)) == 0) {
WARN("Failure initializing engine\n");
}
break;
#ifdef QAT_HW
case QAT_CMD_SET_CONFIGURATION_SECTION_NAME:
BREAK_IF(engine_inited, \
"QAT_CMD_SET_CONFIGURATION_SECTION_NAME failed as the engine is already initialized\n");
if (p) {
retVal = validate_configuration_section_name(p);
if (retVal) {
strncpy(qat_config_section_name, p, QAT_CONFIG_SECTION_NAME_SIZE - 1);
qat_config_section_name[QAT_CONFIG_SECTION_NAME_SIZE - 1] = '\0';
} else {
WARN("Section name is NULL or invalid length\n");
retVal = 0;
}
} else {
WARN("Invalid p parameter\n");
retVal = 0;
}
break;
case QAT_CMD_ENABLE_SW_FALLBACK:
# if !defined(__FreeBSD__) && !defined(QAT_HW_INTREE)
DEBUG("Enabled SW Fallback\n");
BREAK_IF(engine_inited, \
"ENABLE_SW_FALLBACK failed as the engine is already initialized\n");
enable_sw_fallback = 1;
CRYPTO_QAT_LOG("SW Fallback enabled - %s\n", __func__);
# else
WARN("QAT_CMD_ENABLE_SW_FALLBACK is not supported\n");
retVal = 0;
# endif
break;
case QAT_CMD_HEARTBEAT_POLL:
# if !defined(__FreeBSD__) && !defined(QAT_HW_INTREE)
BREAK_IF(!engine_inited, "HEARTBEAT_POLL failed as engine is not initialized\n");
BREAK_IF(qat_instance_handles == NULL,
"HEARTBEAT_POLL failed as no instances are available\n");
BREAK_IF(!enable_external_polling,
"HEARTBEAT_POLL failed as external polling is not enabled\n");
BREAK_IF(p == NULL, "HEARTBEAT_POLL failed as the input parameter was NULL\n");
*(int *)p = (int)poll_heartbeat();
CRYPTO_QAT_LOG("QAT Engine Heartbeat Poll - %s\n", __func__);
# else
WARN("QAT_CMD_HEARTBEAT_POLL is not supported\n");
retVal = 0;
# endif
break;
case QAT_CMD_DISABLE_QAT_OFFLOAD:
DEBUG("Disabled qat offload\n");
BREAK_IF(!engine_inited, \
"DISABLE_QAT_OFFLOAD failed as the engine is not initialized\n");
disable_qat_offload = 1;
CRYPTO_QAT_LOG("QAT Engine Offload disabled - %s\n", __func__);
break;
#endif
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;
}
/******************************************************************************
* function:
* bind_qat(ENGINE *e,
* const char *id)
*
* @param e [IN] - OpenSSL engine pointer
* @param id [IN] - engine id
*
* description:
* Connect Qat engine to OpenSSL engine library
******************************************************************************/
static int bind_qat(ENGINE *e, const char *id)
{
int ret = 0;
#ifdef QAT_HW
char *config_section = NULL;
#endif
QAT_DEBUG_LOG_INIT();
WARN("QAT Warnings enabled.\n");
DEBUG("QAT Debug enabled.\n");
WARN("%s - %s \n", id, engine_qat_name);
#ifdef QAT_HW
# ifdef QAT_HW_INTREE
if (icp_sal_userIsQatAvailable() == CPA_TRUE) {
qat_hw_offload = 1;
} else {
WARN("Qat Intree device not available\n");
# ifndef QAT_SW
goto end;
# endif
}
# else
if (access(QAT_DEV, F_OK) == 0) {
qat_hw_offload = 1;
if (access(QAT_MEM_DEV, F_OK) != 0) {
WARN("Qat memory driver not present\n");
goto end;
}
} else {
WARN("Qat device not available\n");
# ifndef QAT_SW
goto end;
# endif
}
# endif
#endif
if (id && (strcmp(id, engine_qat_id) != 0)) {
WARN("ENGINE_id defined already! %s - %s\n", id, engine_qat_id);
goto end;
}
if (!ENGINE_set_id(e, engine_qat_id)) {
WARN("ENGINE_set_id failed\n");
goto end;
}
if (!ENGINE_set_name(e, engine_qat_name)) {
WARN("ENGINE_set_name failed\n");
goto end;
}
/* Ensure the QAT error handling is set up */
ERR_load_QAT_strings();
if (qat_hw_offload) {
#ifdef QAT_HW
DEBUG("Registering QAT HW supported algorithms\n");
# ifdef ENABLE_QAT_HW_RSA
if (!ENGINE_set_RSA(e, qat_get_RSA_methods())) {
WARN("ENGINE_set_RSA QAT HW failed\n");
goto end;
}
# endif
# ifdef ENABLE_QAT_HW_DSA
if (!ENGINE_set_DSA(e, qat_get_DSA_methods())) {
WARN("ENGINE_set_DSA QAT HW failed\n");
goto end;
}
# endif
# ifdef ENABLE_QAT_HW_DH
if (!ENGINE_set_DH(e, qat_get_DH_methods())) {
WARN("ENGINE_set_DH QAT HW failed\n");
goto end;
}
# endif
#endif
}
#ifdef QAT_SW
# if defined(ENABLE_QAT_SW_RSA) || defined(ENABLE_QAT_SW_ECX) \
|| defined(ENABLE_QAT_SW_ECDH) || defined(ENABLE_QAT_SW_ECDSA) \
|| defined(ENABLE_QAT_SW_SM2) || defined(ENABLE_QAT_SW_SM3)
DEBUG("Registering QAT SW supported algorithms\n");
qat_sw_offload = 1;
# endif
# ifdef ENABLE_QAT_SW_RSA
if (!qat_hw_rsa_offload &&
mbx_get_algo_info(MBX_ALGO_RSA_2K) &&
mbx_get_algo_info(MBX_ALGO_RSA_3K) &&
mbx_get_algo_info(MBX_ALGO_RSA_4K)) {
DEBUG("QAT SW RSA Supported\n");
if (!ENGINE_set_RSA(e, multibuff_get_RSA_methods())) {
WARN("ENGINE_set_RSA QAT SW failed\n");
goto end;
}
}
# endif
#endif
#if defined(QAT_HW) || defined(QAT_SW)
if (!ENGINE_set_EC(e, qat_get_EC_methods())) {
WARN("ENGINE_set_EC failed\n");
goto end;
}
# ifndef QAT_OPENSSL_3
if (!ENGINE_set_pkey_meths(e, qat_pkey_methods)) {
WARN("ENGINE_set_pkey_meths failed\n");
goto end;
}
# endif
#endif
#ifdef QAT_SW_IPSEC
if (hw_support()) {
# ifdef ENABLE_QAT_SW_GCM
if (!vaesgcm_init_ipsec_mb_mgr()) {
WARN("IPSec Multi-Buffer Manager Initialization failed\n");
goto end;
}
# endif
}
#endif
/* Create static structures for ciphers now
* as this function will be called by a single thread. */
qat_create_ciphers();
#if defined(QAT_HW) || defined(QAT_SW_IPSEC)
if (!ENGINE_set_ciphers(e, qat_ciphers)) {
WARN("ENGINE_set_ciphers failed\n");
goto end;
}
#endif
#if defined(QAT_HW) || defined(QAT_SW)
if (!ENGINE_set_digests(e, qat_digest_methods)) {
WARN("ENGINE_set_digests failed\n");
goto end;
}
#endif
pthread_atfork(engine_finish_before_fork_handler, NULL,
engine_init_child_at_fork_handler);
ret = 1;
ret &= ENGINE_set_destroy_function(e, qat_engine_destroy);