[v5,1/3] drivers/qat: improve handling of multi process
diff mbox series

Message ID 20200707150239.13400-2-arkadiuszx.kusztal@intel.com
State Accepted, archived
Delegated to: akhil goyal
Headers show
Series
  • drivers/qat: improve handling of multi process
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Context Check Description
ci/Intel-compilation fail apply issues
ci/iol-mellanox-Performance success Performance Testing PASS
ci/iol-testing success Testing PASS
ci/iol-intel-Performance success Performance Testing PASS
ci/iol-broadcom-Performance success Performance Testing PASS
ci/checkpatch warning coding style issues

Commit Message

Kusztal, ArkadiuszX July 7, 2020, 3:02 p.m. UTC
This patch refactors qat data into structures which are local to the process and
structures which are intended to be shared by primary and secondary processes.
This enables qat devices to be used by multi process applications.

Signed-off-by: Arek Kusztal <arkadiuszx.kusztal@intel.com>
---
 doc/guides/rel_notes/release_20_08.rst |   5 ++
 drivers/common/qat/qat_device.c        | 111 +++++++++++++++++++++++----------
 drivers/common/qat/qat_device.h        |  65 ++++++++++---------
 drivers/common/qat/qat_qp.c            |  26 ++++++--
 drivers/compress/qat/qat_comp_pmd.c    |  20 +++---
 drivers/crypto/qat/qat_asym_pmd.c      |  26 +++++---
 drivers/crypto/qat/qat_sym_pmd.c       |  28 ++++++---
 7 files changed, 183 insertions(+), 98 deletions(-)

Patch
diff mbox series

diff --git a/doc/guides/rel_notes/release_20_08.rst b/doc/guides/rel_notes/release_20_08.rst
index 159da34..3ca2eb2 100644
--- a/doc/guides/rel_notes/release_20_08.rst
+++ b/doc/guides/rel_notes/release_20_08.rst
@@ -107,6 +107,11 @@  New Features
   Added support for lookaside protocol offload for DOCSIS through the
   ``rte_security`` API.
 
+* **Updated the Intel QuickAssist Technology (QAT) crypto and compression PMDs.**
+
+  Implemented improvements in handling multi process applications
+  using QAT symmetric/asymmetric crypto and compression services.
+
 * **Updated the OCTEON TX2 crypto PMD.**
 
   Added Chacha20-Poly1305 AEAD algorithm support in OCTEON TX2 crypto PMD.
diff --git a/drivers/common/qat/qat_device.c b/drivers/common/qat/qat_device.c
index 2b41d9a..a6ab29f 100644
--- a/drivers/common/qat/qat_device.c
+++ b/drivers/common/qat/qat_device.c
@@ -32,8 +32,8 @@  struct qat_gen_hw_data qat_gen_config[] =  {
 	},
 };
 
-
-static struct qat_pci_device qat_pci_devices[RTE_PMD_QAT_MAX_PCI_DEVICES];
+/* per-process array of device data */
+struct qat_device_info qat_pci_devs[RTE_PMD_QAT_MAX_PCI_DEVICES];
 static int qat_nb_pci_devices;
 
 /*
@@ -60,26 +60,20 @@  static const struct rte_pci_id pci_id_qat_map[] = {
 };
 
 static struct qat_pci_device *
-qat_pci_get_dev(uint8_t dev_id)
-{
-	return &qat_pci_devices[dev_id];
-}
-
-static struct qat_pci_device *
 qat_pci_get_named_dev(const char *name)
 {
-	struct qat_pci_device *dev;
 	unsigned int i;
 
 	if (name == NULL)
 		return NULL;
 
 	for (i = 0; i < RTE_PMD_QAT_MAX_PCI_DEVICES; i++) {
-		dev = &qat_pci_devices[i];
-
-		if ((dev->attached == QAT_ATTACHED) &&
-				(strcmp(dev->name, name) == 0))
-			return dev;
+		if (qat_pci_devs[i].mz &&
+				(strcmp(((struct qat_pci_device *)
+				qat_pci_devs[i].mz->addr)->name, name)
+				== 0))
+			return (struct qat_pci_device *)
+				qat_pci_devs[i].mz->addr;
 	}
 
 	return NULL;
@@ -88,13 +82,14 @@  qat_pci_get_named_dev(const char *name)
 static uint8_t
 qat_pci_find_free_device_index(void)
 {
-	uint8_t dev_id;
+		uint8_t dev_id;
 
-	for (dev_id = 0; dev_id < RTE_PMD_QAT_MAX_PCI_DEVICES; dev_id++) {
-		if (qat_pci_devices[dev_id].attached == QAT_DETACHED)
-			break;
-	}
-	return dev_id;
+		for (dev_id = 0; dev_id < RTE_PMD_QAT_MAX_PCI_DEVICES;
+				dev_id++) {
+			if (qat_pci_devs[dev_id].mz == NULL)
+				break;
+		}
+		return dev_id;
 }
 
 struct qat_pci_device *
@@ -169,12 +164,31 @@  qat_pci_device_allocate(struct rte_pci_device *pci_dev,
 		struct qat_dev_cmd_param *qat_dev_cmd_param)
 {
 	struct qat_pci_device *qat_dev;
-	uint8_t qat_dev_id;
+	uint8_t qat_dev_id = 0;
 	char name[QAT_DEV_NAME_MAX_LEN];
 	struct rte_devargs *devargs = pci_dev->device.devargs;
 
 	rte_pci_device_name(&pci_dev->addr, name, sizeof(name));
 	snprintf(name+strlen(name), QAT_DEV_NAME_MAX_LEN-strlen(name), "_qat");
+
+	if (rte_eal_process_type() == RTE_PROC_SECONDARY) {
+		const struct rte_memzone *mz = rte_memzone_lookup(name);
+
+		if (mz == NULL) {
+			QAT_LOG(ERR,
+				"Secondary can't find %s mz, did primary create device?",
+				name);
+			return NULL;
+		}
+		qat_dev = mz->addr;
+		qat_pci_devs[qat_dev->qat_dev_id].mz = mz;
+		qat_pci_devs[qat_dev->qat_dev_id].pci_dev = pci_dev;
+		qat_nb_pci_devices++;
+		QAT_LOG(DEBUG, "QAT device %d found, name %s, total QATs %d",
+			qat_dev->qat_dev_id, qat_dev->name, qat_nb_pci_devices);
+		return qat_dev;
+	}
+
 	if (qat_pci_get_named_dev(name) != NULL) {
 		QAT_LOG(ERR, "QAT device with name %s already allocated!",
 				name);
@@ -187,12 +201,22 @@  qat_pci_device_allocate(struct rte_pci_device *pci_dev,
 		return NULL;
 	}
 
-	qat_dev = qat_pci_get_dev(qat_dev_id);
+	qat_pci_devs[qat_dev_id].mz = rte_memzone_reserve(name,
+		sizeof(struct qat_pci_device),
+		rte_socket_id(), 0);
+
+	if (qat_pci_devs[qat_dev_id].mz == NULL) {
+		QAT_LOG(ERR, "Error when allocating memzone for QAT_%d",
+			qat_dev_id);
+		return NULL;
+	}
+
+	qat_dev = qat_pci_devs[qat_dev_id].mz->addr;
 	memset(qat_dev, 0, sizeof(*qat_dev));
 	strlcpy(qat_dev->name, name, QAT_DEV_NAME_MAX_LEN);
 	qat_dev->qat_dev_id = qat_dev_id;
-	qat_dev->pci_dev = pci_dev;
-	switch (qat_dev->pci_dev->id.device_id) {
+	qat_pci_devs[qat_dev_id].pci_dev = pci_dev;
+	switch (pci_dev->id.device_id) {
 	case 0x0443:
 		qat_dev->qat_dev_gen = QAT_GEN1;
 		break;
@@ -206,6 +230,7 @@  qat_pci_device_allocate(struct rte_pci_device *pci_dev,
 		break;
 	default:
 		QAT_LOG(ERR, "Invalid dev_id, can't determine generation");
+		rte_memzone_free(qat_pci_devs[qat_dev->qat_dev_id].mz);
 		return NULL;
 	}
 
@@ -213,22 +238,20 @@  qat_pci_device_allocate(struct rte_pci_device *pci_dev,
 		qat_dev_parse_cmd(devargs->drv_str, qat_dev_cmd_param);
 
 	rte_spinlock_init(&qat_dev->arb_csr_lock);
-
-	qat_dev->attached = QAT_ATTACHED;
-
 	qat_nb_pci_devices++;
 
-	QAT_LOG(DEBUG, "QAT device %d allocated, name %s, total QATs %d",
+	QAT_LOG(DEBUG, "QAT device %d found, name %s, total QATs %d",
 			qat_dev->qat_dev_id, qat_dev->name, qat_nb_pci_devices);
 
 	return qat_dev;
 }
 
-int
+static int
 qat_pci_device_release(struct rte_pci_device *pci_dev)
 {
 	struct qat_pci_device *qat_dev;
 	char name[QAT_DEV_NAME_MAX_LEN];
+	int busy = 0;
 
 	if (pci_dev == NULL)
 		return -EINVAL;
@@ -238,15 +261,35 @@  qat_pci_device_release(struct rte_pci_device *pci_dev)
 	qat_dev = qat_pci_get_named_dev(name);
 	if (qat_dev != NULL) {
 
+		struct qat_device_info *inst =
+				&qat_pci_devs[qat_dev->qat_dev_id];
 		/* Check that there are no service devs still on pci device */
-		if (qat_dev->sym_dev != NULL)
-			return -EBUSY;
 
-		qat_dev->attached = QAT_DETACHED;
+		if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
+			if (qat_dev->sym_dev != NULL) {
+				QAT_LOG(DEBUG, "QAT sym device %s is busy",
+					name);
+				busy = 1;
+			}
+			if (qat_dev->asym_dev != NULL) {
+				QAT_LOG(DEBUG, "QAT asym device %s is busy",
+					name);
+				busy = 1;
+			}
+			if (qat_dev->comp_dev != NULL) {
+				QAT_LOG(DEBUG, "QAT comp device %s is busy",
+					name);
+				busy = 1;
+			}
+			if (busy)
+				return -EBUSY;
+			rte_memzone_free(inst->mz);
+		}
+		memset(inst, 0, sizeof(struct qat_device_info));
 		qat_nb_pci_devices--;
+		QAT_LOG(DEBUG, "QAT device %s released, total QATs %d",
+					name, qat_nb_pci_devices);
 	}
-	QAT_LOG(DEBUG, "QAT device %s released, total QATs %d",
-				name, qat_nb_pci_devices);
 	return 0;
 }
 
diff --git a/drivers/common/qat/qat_device.h b/drivers/common/qat/qat_device.h
index 09a4c55..b5fe394 100644
--- a/drivers/common/qat/qat_device.h
+++ b/drivers/common/qat/qat_device.h
@@ -32,6 +32,37 @@  enum qat_comp_num_im_buffers {
 	QAT_NUM_INTERM_BUFS_GEN3 = 20
 };
 
+struct qat_device_info {
+	const struct rte_memzone *mz;
+	/**< mz to store the qat_pci_device so it can be
+	 * shared across processes
+	 */
+	struct rte_pci_device *pci_dev;
+	struct rte_device sym_rte_dev;
+	/**< This represents the crypto sym subset of this pci device.
+	 * Register with this rather than with the one in
+	 * pci_dev so that its driver can have a crypto-specific name
+	 */
+
+	struct rte_device asym_rte_dev;
+	/**< This represents the crypto asym subset of this pci device.
+	 * Register with this rather than with the one in
+	 * pci_dev so that its driver can have a crypto-specific name
+	 */
+
+	struct rte_device comp_rte_dev;
+	/**< This represents the compression subset of this pci device.
+	 * Register with this rather than with the one in
+	 * pci_dev so that its driver can have a compression-specific name
+	 */
+};
+
+extern struct qat_device_info qat_pci_devs[];
+
+struct qat_sym_dev_private;
+struct qat_asym_dev_private;
+struct qat_comp_dev_private;
+
 /*
  * This struct holds all the data about a QAT pci device
  * including data about all services it supports.
@@ -39,27 +70,20 @@  enum qat_comp_num_im_buffers {
  *  - hw_data
  *  - config data
  *  - runtime data
+ * Note: as this data can be shared in a multi-process scenario,
+ * any pointers in it must also point to shared memory.
  */
-struct qat_sym_dev_private;
-struct qat_asym_dev_private;
-struct qat_comp_dev_private;
-
 struct qat_pci_device {
 
 	/* Data used by all services */
 	char name[QAT_DEV_NAME_MAX_LEN];
 	/**< Name of qat pci device */
 	uint8_t qat_dev_id;
-	/**< Device instance for this qat pci device */
-	struct rte_pci_device *pci_dev;
-	/**< PCI information. */
+	/**< Id of device instance for this qat pci device */
 	enum qat_device_gen qat_dev_gen;
 	/**< QAT device generation */
 	rte_spinlock_t arb_csr_lock;
 	/**< lock to protect accesses to the arbiter CSR */
-	__extension__
-	uint8_t attached : 1;
-	/**< Flag indicating the device is attached */
 
 	struct qat_qp *qps_in_use[QAT_MAX_SERVICES][ADF_MAX_QPS_ON_ANY_SERVICE];
 	/**< links to qps set up for each service, index same as on API */
@@ -67,32 +91,14 @@  struct qat_pci_device {
 	/* Data relating to symmetric crypto service */
 	struct qat_sym_dev_private *sym_dev;
 	/**< link back to cryptodev private data */
-	struct rte_device sym_rte_dev;
-	/**< This represents the crypto sym subset of this pci device.
-	 * Register with this rather than with the one in
-	 * pci_dev so that its driver can have a crypto-specific name
-	 */
 
 	/* Data relating to asymmetric crypto service */
 	struct qat_asym_dev_private *asym_dev;
 	/**< link back to cryptodev private data */
-	struct rte_device asym_rte_dev;
-	/**< This represents the crypto asym subset of this pci device.
-	 * Register with this rather than with the one in
-	 * pci_dev so that its driver can have a crypto-specific name
-	 */
 
 	/* Data relating to compression service */
 	struct qat_comp_dev_private *comp_dev;
 	/**< link back to compressdev private data */
-	struct rte_device comp_rte_dev;
-	/**< This represents the compression subset of this pci device.
-	 * Register with this rather than with the one in
-	 * pci_dev so that its driver can have a compression-specific name
-	 */
-
-	/* Data relating to asymmetric crypto service */
-
 };
 
 struct qat_gen_hw_data {
@@ -107,9 +113,6 @@  struct qat_pci_device *
 qat_pci_device_allocate(struct rte_pci_device *pci_dev,
 		struct qat_dev_cmd_param *qat_dev_cmd_param);
 
-int
-qat_pci_device_release(struct rte_pci_device *pci_dev);
-
 struct qat_pci_device *
 qat_get_qat_dev_from_pci_dev(struct rte_pci_device *pci_dev);
 
diff --git a/drivers/common/qat/qat_qp.c b/drivers/common/qat/qat_qp.c
index 8e6dd04..aacd4ab 100644
--- a/drivers/common/qat/qat_qp.c
+++ b/drivers/common/qat/qat_qp.c
@@ -193,7 +193,8 @@  int qat_qp_setup(struct qat_pci_device *qat_dev,
 
 {
 	struct qat_qp *qp;
-	struct rte_pci_device *pci_dev = qat_dev->pci_dev;
+	struct rte_pci_device *pci_dev =
+			qat_pci_devs[qat_dev->qat_dev_id].pci_dev;
 	char op_cookie_pool_name[RTE_RING_NAMESIZE];
 	uint32_t i;
 
@@ -274,7 +275,7 @@  int qat_qp_setup(struct qat_pci_device *qat_dev,
 				qp->nb_descriptors,
 				qat_qp_conf->cookie_size, 64, 0,
 				NULL, NULL, NULL, NULL,
-				qat_dev->pci_dev->device.numa_node,
+				pci_dev->device.numa_node,
 				0);
 	if (!qp->op_cookie_pool) {
 		QAT_LOG(ERR, "QAT PMD Cannot create"
@@ -379,7 +380,8 @@  qat_queue_create(struct qat_pci_device *qat_dev, struct qat_queue *queue,
 	uint64_t queue_base;
 	void *io_addr;
 	const struct rte_memzone *qp_mz;
-	struct rte_pci_device *pci_dev = qat_dev->pci_dev;
+	struct rte_pci_device *pci_dev =
+			qat_pci_devs[qat_dev->qat_dev_id].pci_dev;
 	int ret = 0;
 	uint16_t desc_size = (dir == ADF_RING_DIR_TX ?
 			qp_conf->hw->tx_msg_size : qp_conf->hw->rx_msg_size);
@@ -403,7 +405,7 @@  qat_queue_create(struct qat_pci_device *qat_dev, struct qat_queue *queue,
 		qp_conf->service_str, "qp_mem",
 		queue->hw_bundle_number, queue->hw_queue_number);
 	qp_mz = queue_dma_zone_reserve(queue->memz_name, queue_size_bytes,
-			qat_dev->pci_dev->device.numa_node);
+			pci_dev->device.numa_node);
 	if (qp_mz == NULL) {
 		QAT_LOG(ERR, "Failed to allocate ring memzone");
 		return -ENOMEM;
@@ -627,9 +629,23 @@  qat_enqueue_op_burst(void *qp, void **ops, uint16_t nb_ops)
 
 
 	while (nb_ops_sent != nb_ops_possible) {
-		ret = tmp_qp->build_request(*ops, base_addr + tail,
+		if (tmp_qp->service_type == QAT_SERVICE_SYMMETRIC) {
+#ifdef BUILD_QAT_SYM
+			ret = qat_sym_build_request(*ops, base_addr + tail,
 				tmp_qp->op_cookies[tail >> queue->trailz],
 				tmp_qp->qat_dev_gen);
+#endif
+		} else if (tmp_qp->service_type == QAT_SERVICE_COMPRESSION) {
+			ret = qat_comp_build_request(*ops, base_addr + tail,
+				tmp_qp->op_cookies[tail >> queue->trailz],
+				tmp_qp->qat_dev_gen);
+		} else if (tmp_qp->service_type == QAT_SERVICE_ASYMMETRIC) {
+#ifdef BUILD_QAT_ASYM
+			ret = qat_asym_build_request(*ops, base_addr + tail,
+				tmp_qp->op_cookies[tail >> queue->trailz],
+				tmp_qp->qat_dev_gen);
+#endif
+		}
 		if (ret != 0) {
 			tmp_qp->stats.enqueue_err_count++;
 			/* This message cannot be enqueued */
diff --git a/drivers/compress/qat/qat_comp_pmd.c b/drivers/compress/qat/qat_comp_pmd.c
index fe62de5..47c10e2 100644
--- a/drivers/compress/qat/qat_comp_pmd.c
+++ b/drivers/compress/qat/qat_comp_pmd.c
@@ -655,6 +655,8 @@  qat_comp_dev_create(struct qat_pci_device *qat_pci_dev,
 		struct qat_dev_cmd_param *qat_dev_cmd_param)
 {
 	int i = 0;
+	struct qat_device_info *qat_dev_instance =
+			&qat_pci_devs[qat_pci_dev->qat_dev_id];
 	if (qat_pci_dev->qat_dev_gen == QAT_GEN3) {
 		QAT_LOG(ERR, "Compression PMD not supported on QAT P5xxx");
 		return 0;
@@ -662,7 +664,7 @@  qat_comp_dev_create(struct qat_pci_device *qat_pci_dev,
 
 	struct rte_compressdev_pmd_init_params init_params = {
 		.name = "",
-		.socket_id = qat_pci_dev->pci_dev->device.numa_node,
+		.socket_id = qat_dev_instance->pci_dev->device.numa_node,
 	};
 	char name[RTE_COMPRESSDEV_NAME_MAX_LEN];
 	struct rte_compressdev *compressdev;
@@ -673,13 +675,13 @@  qat_comp_dev_create(struct qat_pci_device *qat_pci_dev,
 	QAT_LOG(DEBUG, "Creating QAT COMP device %s", name);
 
 	/* Populate subset device to use in compressdev device creation */
-	qat_pci_dev->comp_rte_dev.driver = &compdev_qat_driver;
-	qat_pci_dev->comp_rte_dev.numa_node =
-					qat_pci_dev->pci_dev->device.numa_node;
-	qat_pci_dev->comp_rte_dev.devargs = NULL;
+	qat_dev_instance->comp_rte_dev.driver = &compdev_qat_driver;
+	qat_dev_instance->comp_rte_dev.numa_node =
+			qat_dev_instance->pci_dev->device.numa_node;
+	qat_dev_instance->comp_rte_dev.devargs = NULL;
 
 	compressdev = rte_compressdev_pmd_create(name,
-			&(qat_pci_dev->comp_rte_dev),
+			&(qat_dev_instance->comp_rte_dev),
 			sizeof(struct qat_comp_dev_private),
 			&init_params);
 
@@ -694,10 +696,12 @@  qat_comp_dev_create(struct qat_pci_device *qat_pci_dev,
 
 	compressdev->feature_flags = RTE_COMPDEV_FF_HW_ACCELERATED;
 
+	if (rte_eal_process_type() != RTE_PROC_PRIMARY)
+		return 0;
+
 	comp_dev = compressdev->data->dev_private;
 	comp_dev->qat_dev = qat_pci_dev;
 	comp_dev->compressdev = compressdev;
-	qat_pci_dev->comp_dev = comp_dev;
 
 	switch (qat_pci_dev->qat_dev_gen) {
 	case QAT_GEN1:
@@ -706,7 +710,6 @@  qat_comp_dev_create(struct qat_pci_device *qat_pci_dev,
 		comp_dev->qat_dev_capabilities = qat_comp_gen_capabilities;
 		break;
 	default:
-		comp_dev->qat_dev_capabilities = qat_comp_gen_capabilities;
 		QAT_LOG(DEBUG,
 			"QAT gen %d capabilities unknown, default to GEN1",
 					qat_pci_dev->qat_dev_gen);
@@ -721,6 +724,7 @@  qat_comp_dev_create(struct qat_pci_device *qat_pci_dev,
 					qat_dev_cmd_param[i].val;
 		i++;
 	}
+	qat_pci_dev->comp_dev = comp_dev;
 
 	QAT_LOG(DEBUG,
 		    "Created QAT COMP device %s as compressdev instance %d",
diff --git a/drivers/crypto/qat/qat_asym_pmd.c b/drivers/crypto/qat/qat_asym_pmd.c
index af3cc25..cc448cd 100644
--- a/drivers/crypto/qat/qat_asym_pmd.c
+++ b/drivers/crypto/qat/qat_asym_pmd.c
@@ -239,9 +239,12 @@  qat_asym_dev_create(struct qat_pci_device *qat_pci_dev,
 		struct qat_dev_cmd_param *qat_dev_cmd_param)
 {
 	int i = 0;
+	struct qat_device_info *qat_dev_instance =
+			&qat_pci_devs[qat_pci_dev->qat_dev_id];
 	struct rte_cryptodev_pmd_init_params init_params = {
 			.name = "",
-			.socket_id = qat_pci_dev->pci_dev->device.numa_node,
+			.socket_id =
+				qat_dev_instance->pci_dev->device.numa_node,
 			.private_data_size = sizeof(struct qat_asym_dev_private)
 	};
 	char name[RTE_CRYPTODEV_NAME_MAX_LEN];
@@ -253,18 +256,18 @@  qat_asym_dev_create(struct qat_pci_device *qat_pci_dev,
 	QAT_LOG(DEBUG, "Creating QAT ASYM device %s\n", name);
 
 	/* Populate subset device to use in cryptodev device creation */
-	qat_pci_dev->asym_rte_dev.driver = &cryptodev_qat_asym_driver;
-	qat_pci_dev->asym_rte_dev.numa_node =
-				qat_pci_dev->pci_dev->device.numa_node;
-	qat_pci_dev->asym_rte_dev.devargs = NULL;
+	qat_dev_instance->asym_rte_dev.driver = &cryptodev_qat_asym_driver;
+	qat_dev_instance->asym_rte_dev.numa_node =
+			qat_dev_instance->pci_dev->device.numa_node;
+	qat_dev_instance->asym_rte_dev.devargs = NULL;
 
 	cryptodev = rte_cryptodev_pmd_create(name,
-			&(qat_pci_dev->asym_rte_dev), &init_params);
+			&(qat_dev_instance->asym_rte_dev), &init_params);
 
 	if (cryptodev == NULL)
 		return -ENODEV;
 
-	qat_pci_dev->asym_rte_dev.name = cryptodev->data->name;
+	qat_dev_instance->asym_rte_dev.name = cryptodev->data->name;
 	cryptodev->driver_id = cryptodev_qat_asym_driver_id;
 	cryptodev->dev_ops = &crypto_qat_ops;
 
@@ -276,10 +279,12 @@  qat_asym_dev_create(struct qat_pci_device *qat_pci_dev,
 			RTE_CRYPTODEV_FF_ASYM_SESSIONLESS |
 			RTE_CRYPTODEV_FF_RSA_PRIV_OP_KEY_EXP |
 			RTE_CRYPTODEV_FF_RSA_PRIV_OP_KEY_QT;
+
+	if (rte_eal_process_type() != RTE_PROC_PRIMARY)
+		return 0;
+
 	internals = cryptodev->data->dev_private;
 	internals->qat_dev = qat_pci_dev;
-	qat_pci_dev->asym_dev = internals;
-
 	internals->asym_dev_id = cryptodev->data->dev_id;
 	internals->qat_dev_capabilities = qat_gen1_asym_capabilities;
 
@@ -292,6 +297,7 @@  qat_asym_dev_create(struct qat_pci_device *qat_pci_dev,
 		i++;
 	}
 
+	qat_pci_dev->asym_dev = internals;
 	QAT_LOG(DEBUG, "Created QAT ASYM device %s as cryptodev instance %d",
 			cryptodev->data->name, internals->asym_dev_id);
 	return 0;
@@ -311,7 +317,7 @@  qat_asym_dev_destroy(struct qat_pci_device *qat_pci_dev)
 	cryptodev = rte_cryptodev_pmd_get_dev(
 			qat_pci_dev->asym_dev->asym_dev_id);
 	rte_cryptodev_pmd_destroy(cryptodev);
-	qat_pci_dev->asym_rte_dev.name = NULL;
+	qat_pci_devs[qat_pci_dev->qat_dev_id].asym_rte_dev.name = NULL;
 	qat_pci_dev->asym_dev = NULL;
 
 	return 0;
diff --git a/drivers/crypto/qat/qat_sym_pmd.c b/drivers/crypto/qat/qat_sym_pmd.c
index 1561752..bdcb42e 100644
--- a/drivers/crypto/qat/qat_sym_pmd.c
+++ b/drivers/crypto/qat/qat_sym_pmd.c
@@ -304,14 +304,19 @@  qat_sym_dev_create(struct qat_pci_device *qat_pci_dev,
 		struct qat_dev_cmd_param *qat_dev_cmd_param __rte_unused)
 {
 	int i = 0;
+	struct qat_device_info *qat_dev_instance =
+			&qat_pci_devs[qat_pci_dev->qat_dev_id];
+
 	struct rte_cryptodev_pmd_init_params init_params = {
 			.name = "",
-			.socket_id = qat_pci_dev->pci_dev->device.numa_node,
+			.socket_id =
+				qat_dev_instance->pci_dev->device.numa_node,
 			.private_data_size = sizeof(struct qat_sym_dev_private)
 	};
 	char name[RTE_CRYPTODEV_NAME_MAX_LEN];
 	struct rte_cryptodev *cryptodev;
 	struct qat_sym_dev_private *internals;
+
 #ifdef RTE_LIBRTE_SECURITY
 	struct rte_security_ctx *security_instance;
 #endif
@@ -321,18 +326,18 @@  qat_sym_dev_create(struct qat_pci_device *qat_pci_dev,
 	QAT_LOG(DEBUG, "Creating QAT SYM device %s", name);
 
 	/* Populate subset device to use in cryptodev device creation */
-	qat_pci_dev->sym_rte_dev.driver = &cryptodev_qat_sym_driver;
-	qat_pci_dev->sym_rte_dev.numa_node =
-				qat_pci_dev->pci_dev->device.numa_node;
-	qat_pci_dev->sym_rte_dev.devargs = NULL;
+	qat_dev_instance->sym_rte_dev.driver = &cryptodev_qat_sym_driver;
+	qat_dev_instance->sym_rte_dev.numa_node =
+			qat_dev_instance->pci_dev->device.numa_node;
+	qat_dev_instance->sym_rte_dev.devargs = NULL;
 
 	cryptodev = rte_cryptodev_pmd_create(name,
-			&(qat_pci_dev->sym_rte_dev), &init_params);
+			&(qat_dev_instance->sym_rte_dev), &init_params);
 
 	if (cryptodev == NULL)
 		return -ENODEV;
 
-	qat_pci_dev->sym_rte_dev.name = cryptodev->data->name;
+	qat_dev_instance->sym_rte_dev.name = cryptodev->data->name;
 	cryptodev->driver_id = cryptodev_qat_driver_id;
 	cryptodev->dev_ops = &crypto_qat_ops;
 
@@ -350,6 +355,9 @@  qat_sym_dev_create(struct qat_pci_device *qat_pci_dev,
 			RTE_CRYPTODEV_FF_DIGEST_ENCRYPTED |
 			RTE_CRYPTODEV_FF_SECURITY;
 
+	if (rte_eal_process_type() != RTE_PROC_PRIMARY)
+		return 0;
+
 #ifdef RTE_LIBRTE_SECURITY
 	security_instance = rte_malloc("qat_sec",
 				sizeof(struct rte_security_ctx),
@@ -368,7 +376,6 @@  qat_sym_dev_create(struct qat_pci_device *qat_pci_dev,
 
 	internals = cryptodev->data->dev_private;
 	internals->qat_dev = qat_pci_dev;
-	qat_pci_dev->sym_dev = internals;
 
 	internals->sym_dev_id = cryptodev->data->dev_id;
 	switch (qat_pci_dev->qat_dev_gen) {
@@ -380,7 +387,6 @@  qat_sym_dev_create(struct qat_pci_device *qat_pci_dev,
 		internals->qat_dev_capabilities = qat_gen2_sym_capabilities;
 		break;
 	default:
-		internals->qat_dev_capabilities = qat_gen2_sym_capabilities;
 		QAT_LOG(DEBUG,
 			"QAT gen %d capabilities unknown, default to GEN2",
 					qat_pci_dev->qat_dev_gen);
@@ -396,8 +402,10 @@  qat_sym_dev_create(struct qat_pci_device *qat_pci_dev,
 		i++;
 	}
 
+	qat_pci_dev->sym_dev = internals;
 	QAT_LOG(DEBUG, "Created QAT SYM device %s as cryptodev instance %d",
 			cryptodev->data->name, internals->sym_dev_id);
+
 	return 0;
 }
 
@@ -417,7 +425,7 @@  qat_sym_dev_destroy(struct qat_pci_device *qat_pci_dev)
 	rte_free(cryptodev->security_ctx);
 #endif
 	rte_cryptodev_pmd_destroy(cryptodev);
-	qat_pci_dev->sym_rte_dev.name = NULL;
+	qat_pci_devs[qat_pci_dev->qat_dev_id].sym_rte_dev.name = NULL;
 	qat_pci_dev->sym_dev = NULL;
 
 	return 0;