diff mbox series

[1/4] common/qat: isolate implementations of qat generations

Message ID 20210901144729.26784-2-arkadiuszx.kusztal@intel.com (mailing list archive)
State Superseded
Delegated to: akhil goyal
Headers show
Series drivers/qat: isolate implementations of qat generations | expand

Checks

Context Check Description
ci/checkpatch warning coding style issues

Commit Message

Arek Kusztal Sept. 1, 2021, 2:47 p.m. UTC
This commit isolates implementations of common part in QAT PMD.
When changing/expanding particular generation code, other generations
code should left intact. Generation code in drivers common is
invisible to other generations code.

Signed-off-by: Arek Kusztal <arkadiuszx.kusztal@intel.com>
---
 drivers/common/qat/dev/qat_dev_gen1.c | 245 ++++++++++
 drivers/common/qat/dev/qat_dev_gen1.h |  52 +++
 drivers/common/qat/dev/qat_dev_gen2.c |  38 ++
 drivers/common/qat/dev/qat_dev_gen3.c |  76 +++
 drivers/common/qat/dev/qat_dev_gen4.c | 258 +++++++++++
 drivers/common/qat/meson.build        |   4 +
 drivers/common/qat/qat_common.h       |   2 +
 drivers/common/qat/qat_device.c       | 117 ++---
 drivers/common/qat/qat_device.h       |  24 +-
 drivers/common/qat/qat_qp.c           | 641 +++++++++-----------------
 drivers/common/qat/qat_qp.h           |  45 +-
 11 files changed, 983 insertions(+), 519 deletions(-)
 create mode 100644 drivers/common/qat/dev/qat_dev_gen1.c
 create mode 100644 drivers/common/qat/dev/qat_dev_gen1.h
 create mode 100644 drivers/common/qat/dev/qat_dev_gen2.c
 create mode 100644 drivers/common/qat/dev/qat_dev_gen3.c
 create mode 100644 drivers/common/qat/dev/qat_dev_gen4.c
diff mbox series

Patch

diff --git a/drivers/common/qat/dev/qat_dev_gen1.c b/drivers/common/qat/dev/qat_dev_gen1.c
new file mode 100644
index 0000000000..4d60c2a051
--- /dev/null
+++ b/drivers/common/qat/dev/qat_dev_gen1.c
@@ -0,0 +1,245 @@ 
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2021 Intel Corporation
+ */
+
+#include "qat_device.h"
+#include "qat_qp.h"
+#include "adf_transport_access_macros.h"
+#include "qat_dev_gen1.h"
+
+#include <stdint.h>
+
+#define ADF_ARB_REG_SLOT			0x1000
+
+#define WRITE_CSR_ARB_RINGSRVARBEN(csr_addr, index, value) \
+	ADF_CSR_WR(csr_addr, ADF_ARB_RINGSRVARBEN_OFFSET + \
+	(ADF_ARB_REG_SLOT * index), value)
+
+__extension__
+const struct qat_qp_hw_data qat_gen1_qps[QAT_MAX_SERVICES]
+					 [ADF_MAX_QPS_ON_ANY_SERVICE] = {
+	/* queue pairs which provide an asymmetric crypto service */
+	[QAT_SERVICE_ASYMMETRIC] = {
+		{
+			.service_type = QAT_SERVICE_ASYMMETRIC,
+			.hw_bundle_num = 0,
+			.tx_ring_num = 0,
+			.rx_ring_num = 8,
+			.tx_msg_size = 64,
+			.rx_msg_size = 32,
+
+		}, {
+			.service_type = QAT_SERVICE_ASYMMETRIC,
+			.hw_bundle_num = 0,
+			.tx_ring_num = 1,
+			.rx_ring_num = 9,
+			.tx_msg_size = 64,
+			.rx_msg_size = 32,
+		}
+	},
+	/* queue pairs which provide a symmetric crypto service */
+	[QAT_SERVICE_SYMMETRIC] = {
+		{
+			.service_type = QAT_SERVICE_SYMMETRIC,
+			.hw_bundle_num = 0,
+			.tx_ring_num = 2,
+			.rx_ring_num = 10,
+			.tx_msg_size = 128,
+			.rx_msg_size = 32,
+		},
+		{
+			.service_type = QAT_SERVICE_SYMMETRIC,
+			.hw_bundle_num = 0,
+			.tx_ring_num = 3,
+			.rx_ring_num = 11,
+			.tx_msg_size = 128,
+			.rx_msg_size = 32,
+		}
+	},
+	/* queue pairs which provide a compression service */
+	[QAT_SERVICE_COMPRESSION] = {
+		{
+			.service_type = QAT_SERVICE_COMPRESSION,
+			.hw_bundle_num = 0,
+			.tx_ring_num = 6,
+			.rx_ring_num = 14,
+			.tx_msg_size = 128,
+			.rx_msg_size = 32,
+		}, {
+			.service_type = QAT_SERVICE_COMPRESSION,
+			.hw_bundle_num = 0,
+			.tx_ring_num = 7,
+			.rx_ring_num = 15,
+			.tx_msg_size = 128,
+			.rx_msg_size = 32,
+		}
+	}
+};
+
+int
+qat_qp_rings_per_service_gen1(struct qat_pci_device *qat_dev,
+		enum qat_service_type service)
+{
+	int i = 0, count = 0, max_ops_per_srv = 0;
+	const struct qat_qp_hw_data *sym_hw_qps =
+			qat_gen_config[qat_dev->qat_dev_gen]
+			.qp_hw_data[service];
+
+	max_ops_per_srv = ADF_MAX_QPS_ON_ANY_SERVICE;
+	for (i = 0, count = 0; i < max_ops_per_srv; i++)
+		if (sym_hw_qps[i].service_type == service)
+			count++;
+	return count;
+}
+
+void
+qat_qp_csr_build_ring_base_gen1(void *io_addr,
+			struct qat_queue *queue)
+{
+	uint64_t queue_base;
+
+	queue_base = BUILD_RING_BASE_ADDR(queue->base_phys_addr,
+			queue->queue_size);
+	WRITE_CSR_RING_BASE(io_addr, queue->hw_bundle_number,
+		queue->hw_queue_number, queue_base);
+}
+
+void
+qat_qp_adf_arb_enable_gen1(const struct qat_queue *txq,
+			void *base_addr, rte_spinlock_t *lock)
+{
+	uint32_t arb_csr_offset = 0, value;
+
+	rte_spinlock_lock(lock);
+	arb_csr_offset = ADF_ARB_RINGSRVARBEN_OFFSET +
+			(ADF_ARB_REG_SLOT *
+			txq->hw_bundle_number);
+	value = ADF_CSR_RD(base_addr,
+			arb_csr_offset);
+	value |= (0x01 << txq->hw_queue_number);
+	ADF_CSR_WR(base_addr, arb_csr_offset, value);
+	rte_spinlock_unlock(lock);
+}
+
+void
+qat_qp_adf_arb_disable_gen1(const struct qat_queue *txq,
+			void *base_addr, rte_spinlock_t *lock)
+{
+	uint32_t arb_csr_offset =  ADF_ARB_RINGSRVARBEN_OFFSET +
+					(ADF_ARB_REG_SLOT *
+						txq->hw_bundle_number);
+	uint32_t value;
+
+	rte_spinlock_lock(lock);
+	value = ADF_CSR_RD(base_addr, arb_csr_offset);
+	value &= ~(0x01 << txq->hw_queue_number);
+	ADF_CSR_WR(base_addr, arb_csr_offset, value);
+	rte_spinlock_unlock(lock);
+}
+
+void
+qat_qp_adf_configure_queues_gen1(struct qat_qp *qp)
+{
+	uint32_t q_tx_config, q_resp_config;
+	struct qat_queue *q_tx = &qp->tx_q, *q_rx = &qp->rx_q;
+
+	q_tx_config = BUILD_RING_CONFIG(q_tx->queue_size);
+	q_resp_config = BUILD_RESP_RING_CONFIG(q_rx->queue_size,
+			ADF_RING_NEAR_WATERMARK_512,
+			ADF_RING_NEAR_WATERMARK_0);
+	WRITE_CSR_RING_CONFIG(qp->mmap_bar_addr,
+		q_tx->hw_bundle_number,	q_tx->hw_queue_number,
+		q_tx_config);
+	WRITE_CSR_RING_CONFIG(qp->mmap_bar_addr,
+		q_rx->hw_bundle_number,	q_rx->hw_queue_number,
+		q_resp_config);
+}
+
+void
+qat_qp_csr_write_tail_gen1(struct qat_qp *qp, struct qat_queue *q)
+{
+	WRITE_CSR_RING_TAIL(qp->mmap_bar_addr, q->hw_bundle_number,
+		q->hw_queue_number, q->tail);
+}
+
+void
+qat_qp_csr_write_head_gen1(struct qat_qp *qp, struct qat_queue *q,
+			uint32_t new_head)
+{
+	WRITE_CSR_RING_HEAD(qp->mmap_bar_addr, q->hw_bundle_number,
+			q->hw_queue_number, new_head);
+}
+
+void
+qat_qp_csr_setup_gen1(struct qat_pci_device *qat_dev,
+			void *io_addr, struct qat_qp *qp)
+{
+	qat_qp_csr_build_ring_base_gen1(io_addr, &qp->tx_q);
+	qat_qp_csr_build_ring_base_gen1(io_addr, &qp->rx_q);
+	qat_qp_adf_configure_queues_gen1(qp);
+	qat_qp_adf_arb_enable_gen1(&qp->tx_q, qp->mmap_bar_addr,
+					&qat_dev->arb_csr_lock);
+}
+
+static struct qat_qp_hw_spec_funcs qat_qp_hw_spec_gen1 = {
+	.qat_qp_rings_per_service	= qat_qp_rings_per_service_gen1,
+	.qat_qp_build_ring_base		= qat_qp_csr_build_ring_base_gen1,
+	.qat_qp_adf_arb_enable		= qat_qp_adf_arb_enable_gen1,
+	.qat_qp_adf_arb_disable		= qat_qp_adf_arb_disable_gen1,
+	.qat_qp_adf_configure_queues	= qat_qp_adf_configure_queues_gen1,
+	.qat_qp_csr_write_tail		= qat_qp_csr_write_tail_gen1,
+	.qat_qp_csr_write_head		= qat_qp_csr_write_head_gen1,
+	.qat_qp_csr_setup		= qat_qp_csr_setup_gen1,
+};
+
+int qat_reset_ring_pairs_gen1(
+		struct qat_pci_device *qat_pci_dev __rte_unused)
+{
+	/*
+	 * Ring pairs reset not supported on base, continue
+	 */
+	return 0;
+}
+
+const struct
+rte_mem_resource *qat_dev_get_transport_bar_gen1(
+			struct rte_pci_device *pci_dev)
+{
+	return &pci_dev->mem_resource[0];
+}
+
+int
+qat_dev_get_misc_bar_gen1(
+		struct rte_mem_resource **mem_resource __rte_unused,
+		struct rte_pci_device *pci_dev __rte_unused)
+{
+	return -1;
+}
+
+int
+qat_dev_read_config_gen1(struct qat_pci_device *qat_dev __rte_unused)
+{
+	/*
+	 * Base generations do not have configuration,
+	 * but set this pointer anyway that we can
+	 * distinguish higher generations faulty set to NULL
+	 */
+	return 0;
+}
+
+static struct qat_dev_hw_spec_funcs qat_dev_hw_spec_gen1 = {
+	.qat_dev_reset_ring_pairs	= qat_reset_ring_pairs_gen1,
+	.qat_dev_get_transport_bar	= qat_dev_get_transport_bar_gen1,
+	.qat_dev_get_misc_bar		= qat_dev_get_misc_bar_gen1,
+	.qat_dev_read_config		= qat_dev_read_config_gen1,
+};
+
+RTE_INIT(qat_dev_gen_gen1_init)
+{
+	qat_qp_hw_spec[QAT_GEN1]		= &qat_qp_hw_spec_gen1;
+	qat_dev_hw_spec[QAT_GEN1]		= &qat_dev_hw_spec_gen1;
+	qat_gen_config[QAT_GEN1].dev_gen	= QAT_GEN1;
+	qat_gen_config[QAT_GEN1].qp_hw_data	= qat_gen1_qps;
+	qat_gen_config[QAT_GEN1].comp_num_im_bufs_required =
+						QAT_NUM_INTERM_BUFS_GEN1;
+}
diff --git a/drivers/common/qat/dev/qat_dev_gen1.h b/drivers/common/qat/dev/qat_dev_gen1.h
new file mode 100644
index 0000000000..9bf4fcf01b
--- /dev/null
+++ b/drivers/common/qat/dev/qat_dev_gen1.h
@@ -0,0 +1,52 @@ 
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2021 Intel Corporation
+ */
+
+#ifndef _QAT_DEV_GEN_H_
+#define _QAT_DEV_GEN_H_
+
+#include "qat_device.h"
+#include "qat_qp.h"
+
+#include <stdint.h>
+
+extern const struct qat_qp_hw_data qat_gen1_qps[QAT_MAX_SERVICES]
+					 [ADF_MAX_QPS_ON_ANY_SERVICE];
+
+int
+qat_qp_rings_per_service_gen1(struct qat_pci_device *qat_dev,
+		enum qat_service_type service);
+void
+qat_qp_csr_build_ring_base_gen1(void *io_addr,
+			struct qat_queue *queue);
+void
+qat_qp_adf_arb_enable_gen1(const struct qat_queue *txq,
+			void *base_addr, rte_spinlock_t *lock);
+void
+qat_qp_adf_arb_disable_gen1(const struct qat_queue *txq,
+			void *base_addr, rte_spinlock_t *lock);
+void
+qat_qp_adf_configure_queues_gen1(struct qat_qp *qp);
+void
+qat_qp_csr_write_tail_gen1(struct qat_qp *qp, struct qat_queue *q);
+void
+qat_qp_csr_write_head_gen1(struct qat_qp *qp, struct qat_queue *q,
+			uint32_t new_head);
+void
+qat_qp_csr_setup_gen1(struct qat_pci_device *qat_dev,
+			void *io_addr, struct qat_qp *qp);
+
+int
+qat_reset_ring_pairs_gen1(
+			struct qat_pci_device *qat_pci_dev __rte_unused);
+const struct
+rte_mem_resource *qat_dev_get_transport_bar_gen1(
+			struct rte_pci_device *pci_dev);
+int
+qat_dev_get_misc_bar_gen1(
+		struct rte_mem_resource **mem_resource __rte_unused,
+		struct rte_pci_device *pci_dev __rte_unused);
+int
+qat_dev_read_config_gen1(struct qat_pci_device *qat_dev __rte_unused);
+
+#endif
diff --git a/drivers/common/qat/dev/qat_dev_gen2.c b/drivers/common/qat/dev/qat_dev_gen2.c
new file mode 100644
index 0000000000..ad1b643e00
--- /dev/null
+++ b/drivers/common/qat/dev/qat_dev_gen2.c
@@ -0,0 +1,38 @@ 
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2021 Intel Corporation
+ */
+
+#include "qat_device.h"
+#include "qat_qp.h"
+#include "adf_transport_access_macros.h"
+#include "qat_dev_gen1.h"
+
+#include <stdint.h>
+
+static struct qat_qp_hw_spec_funcs qat_qp_hw_spec_gen2 = {
+	.qat_qp_rings_per_service	= qat_qp_rings_per_service_gen1,
+	.qat_qp_build_ring_base		= qat_qp_csr_build_ring_base_gen1,
+	.qat_qp_adf_arb_enable		= qat_qp_adf_arb_enable_gen1,
+	.qat_qp_adf_arb_disable		= qat_qp_adf_arb_disable_gen1,
+	.qat_qp_adf_configure_queues	= qat_qp_adf_configure_queues_gen1,
+	.qat_qp_csr_write_tail		= qat_qp_csr_write_tail_gen1,
+	.qat_qp_csr_write_head		= qat_qp_csr_write_head_gen1,
+	.qat_qp_csr_setup		= qat_qp_csr_setup_gen1,
+};
+
+static struct qat_dev_hw_spec_funcs qat_dev_hw_spec_gen2 = {
+	.qat_dev_reset_ring_pairs	= qat_reset_ring_pairs_gen1,
+	.qat_dev_get_transport_bar	= qat_dev_get_transport_bar_gen1,
+	.qat_dev_get_misc_bar		= qat_dev_get_misc_bar_gen1,
+	.qat_dev_read_config		= qat_dev_read_config_gen1,
+};
+
+RTE_INIT(qat_dev_gen_gen2_init)
+{
+	qat_qp_hw_spec[QAT_GEN2]		= &qat_qp_hw_spec_gen2;
+	qat_dev_hw_spec[QAT_GEN2]		= &qat_dev_hw_spec_gen2;
+	qat_gen_config[QAT_GEN2].dev_gen	= QAT_GEN2;
+	qat_gen_config[QAT_GEN2].qp_hw_data	= qat_gen1_qps;
+	qat_gen_config[QAT_GEN2].comp_num_im_bufs_required =
+						QAT_NUM_INTERM_BUFS_GEN2;
+}
diff --git a/drivers/common/qat/dev/qat_dev_gen3.c b/drivers/common/qat/dev/qat_dev_gen3.c
new file mode 100644
index 0000000000..407d21576b
--- /dev/null
+++ b/drivers/common/qat/dev/qat_dev_gen3.c
@@ -0,0 +1,76 @@ 
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2021 Intel Corporation
+ */
+
+#include "qat_device.h"
+#include "qat_qp.h"
+#include "adf_transport_access_macros.h"
+#include "qat_dev_gen1.h"
+
+#include <stdint.h>
+
+__extension__
+const struct qat_qp_hw_data qat_gen3_qps[QAT_MAX_SERVICES]
+					 [ADF_MAX_QPS_ON_ANY_SERVICE] = {
+	/* queue pairs which provide an asymmetric crypto service */
+	[QAT_SERVICE_ASYMMETRIC] = {
+		{
+			.service_type = QAT_SERVICE_ASYMMETRIC,
+			.hw_bundle_num = 0,
+			.tx_ring_num = 0,
+			.rx_ring_num = 4,
+			.tx_msg_size = 64,
+			.rx_msg_size = 32,
+		}
+	},
+	/* queue pairs which provide a symmetric crypto service */
+	[QAT_SERVICE_SYMMETRIC] = {
+		{
+			.service_type = QAT_SERVICE_SYMMETRIC,
+			.hw_bundle_num = 0,
+			.tx_ring_num = 1,
+			.rx_ring_num = 5,
+			.tx_msg_size = 128,
+			.rx_msg_size = 32,
+		}
+	},
+	/* queue pairs which provide a compression service */
+	[QAT_SERVICE_COMPRESSION] = {
+		{
+			.service_type = QAT_SERVICE_COMPRESSION,
+			.hw_bundle_num = 0,
+			.tx_ring_num = 3,
+			.rx_ring_num = 7,
+			.tx_msg_size = 128,
+			.rx_msg_size = 32,
+		}
+	}
+};
+
+static struct qat_qp_hw_spec_funcs qat_qp_hw_spec_gen3 = {
+	.qat_qp_rings_per_service	= qat_qp_rings_per_service_gen1,
+	.qat_qp_build_ring_base		= qat_qp_csr_build_ring_base_gen1,
+	.qat_qp_adf_arb_enable		= qat_qp_adf_arb_enable_gen1,
+	.qat_qp_adf_arb_disable		= qat_qp_adf_arb_disable_gen1,
+	.qat_qp_adf_configure_queues	= qat_qp_adf_configure_queues_gen1,
+	.qat_qp_csr_write_tail		= qat_qp_csr_write_tail_gen1,
+	.qat_qp_csr_write_head		= qat_qp_csr_write_head_gen1,
+	.qat_qp_csr_setup		= qat_qp_csr_setup_gen1,
+};
+
+static struct qat_dev_hw_spec_funcs qat_dev_hw_spec_gen3 = {
+	.qat_dev_reset_ring_pairs	= qat_reset_ring_pairs_gen1,
+	.qat_dev_get_transport_bar	= qat_dev_get_transport_bar_gen1,
+	.qat_dev_get_misc_bar		= qat_dev_get_misc_bar_gen1,
+	.qat_dev_read_config		= qat_dev_read_config_gen1,
+};
+
+RTE_INIT(qat_dev_gen_gen3_init)
+{
+	qat_qp_hw_spec[QAT_GEN3]		= &qat_qp_hw_spec_gen3;
+	qat_dev_hw_spec[QAT_GEN3]		= &qat_dev_hw_spec_gen3;
+	qat_gen_config[QAT_GEN3].dev_gen	= QAT_GEN3;
+	qat_gen_config[QAT_GEN3].qp_hw_data	= qat_gen3_qps;
+	qat_gen_config[QAT_GEN3].comp_num_im_bufs_required =
+						QAT_NUM_INTERM_BUFS_GEN3;
+}
diff --git a/drivers/common/qat/dev/qat_dev_gen4.c b/drivers/common/qat/dev/qat_dev_gen4.c
new file mode 100644
index 0000000000..6394e17dde
--- /dev/null
+++ b/drivers/common/qat/dev/qat_dev_gen4.c
@@ -0,0 +1,258 @@ 
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2021 Intel Corporation
+ */
+
+#include <rte_dev.h>
+#include <rte_pci.h>
+
+#include "qat_device.h"
+#include "qat_qp.h"
+#include "adf_transport_access_macros_gen4vf.h"
+#include "adf_pf2vf_msg.h"
+#include "qat_pf2vf.h"
+
+#include <stdint.h>
+
+static struct qat_pf2vf_dev qat_pf2vf_gen4 = {
+	.pf2vf_offset = ADF_4XXXIOV_PF2VM_OFFSET,
+	.vf2pf_offset = ADF_4XXXIOV_VM2PF_OFFSET,
+	.pf2vf_type_shift = ADF_PFVF_2X_MSGTYPE_SHIFT,
+	.pf2vf_type_mask = ADF_PFVF_2X_MSGTYPE_MASK,
+	.pf2vf_data_shift = ADF_PFVF_2X_MSGDATA_SHIFT,
+	.pf2vf_data_mask = ADF_PFVF_2X_MSGDATA_MASK,
+};
+
+static int
+qat_query_svc(struct qat_pci_device *qat_dev, uint8_t *val)
+{
+	struct qat_pf2vf_msg pf2vf_msg;
+
+	pf2vf_msg.msg_type = ADF_VF2PF_MSGTYPE_GET_SMALL_BLOCK_REQ;
+	pf2vf_msg.block_hdr = ADF_VF2PF_BLOCK_MSG_GET_RING_TO_SVC_REQ;
+	pf2vf_msg.msg_data = 2;
+	return qat_pf2vf_exch_msg(qat_dev, pf2vf_msg, 2, val);
+}
+
+static int
+qat_qp_rings_per_service_gen4(struct qat_pci_device *qat_dev,
+		enum qat_service_type service)
+{
+	int i = 0, count = 0, max_ops_per_srv = 0;
+
+	max_ops_per_srv = QAT_GEN4_BUNDLE_NUM;
+	for (i = 0, count = 0; i < max_ops_per_srv; i++)
+		if (qat_dev->qp_gen4_data[i][0].service_type == service)
+			count++;
+	return count;
+}
+
+static int
+qat_dev_read_config_gen4(struct qat_pci_device *qat_dev)
+{
+	int i = 0;
+	uint16_t svc = 0;
+
+	if (qat_query_svc(qat_dev, (uint8_t *)&svc))
+		return -EFAULT;
+	for (; i < QAT_GEN4_BUNDLE_NUM; i++) {
+		struct qat_qp_hw_data *hw_data =
+			&qat_dev->qp_gen4_data[i][0];
+		uint8_t svc1 = (svc >> (3 * i)) & 0x7;
+		enum qat_service_type service_type = QAT_SERVICE_INVALID;
+
+		if (svc1 == QAT_SVC_SYM) {
+			service_type = QAT_SERVICE_SYMMETRIC;
+			QAT_LOG(DEBUG,
+				"Discovered SYMMETRIC service on bundle %d",
+				i);
+		} else if (svc1 == QAT_SVC_COMPRESSION) {
+			service_type = QAT_SERVICE_COMPRESSION;
+			QAT_LOG(DEBUG,
+				"Discovered COPRESSION service on bundle %d",
+				i);
+		} else if (svc1 == QAT_SVC_ASYM) {
+			service_type = QAT_SERVICE_ASYMMETRIC;
+			QAT_LOG(DEBUG,
+				"Discovered ASYMMETRIC service on bundle %d",
+				i);
+		} else {
+			QAT_LOG(ERR,
+				"Unrecognized service on bundle %d",
+				i);
+			return -EFAULT;
+		}
+
+		memset(hw_data, 0, sizeof(*hw_data));
+		hw_data->service_type = service_type;
+		if (service_type == QAT_SERVICE_ASYMMETRIC) {
+			hw_data->tx_msg_size = 64;
+			hw_data->rx_msg_size = 32;
+		} else if (service_type == QAT_SERVICE_SYMMETRIC ||
+				service_type ==
+					QAT_SERVICE_COMPRESSION) {
+			hw_data->tx_msg_size = 128;
+			hw_data->rx_msg_size = 32;
+		}
+		hw_data->tx_ring_num = 0;
+		hw_data->rx_ring_num = 1;
+		hw_data->hw_bundle_num = i;
+	}
+	return 0;
+}
+
+static void
+qat_qp_build_ring_base_gen4(void *io_addr,
+			struct qat_queue *queue)
+{
+	uint64_t queue_base;
+
+	queue_base = BUILD_RING_BASE_ADDR_GEN4(queue->base_phys_addr,
+			queue->queue_size);
+	WRITE_CSR_RING_BASE_GEN4VF(io_addr, queue->hw_bundle_number,
+		queue->hw_queue_number, queue_base);
+}
+
+static void
+qat_qp_adf_arb_enable_gen4(const struct qat_queue *txq,
+			void *base_addr, rte_spinlock_t *lock)
+{
+	uint32_t arb_csr_offset = 0, value;
+
+	rte_spinlock_lock(lock);
+	arb_csr_offset = ADF_ARB_RINGSRVARBEN_OFFSET +
+			(ADF_RING_BUNDLE_SIZE_GEN4 *
+			txq->hw_bundle_number);
+	value = ADF_CSR_RD(base_addr + ADF_RING_CSR_ADDR_OFFSET_GEN4VF,
+			arb_csr_offset);
+	value |= (0x01 << txq->hw_queue_number);
+	ADF_CSR_WR(base_addr, arb_csr_offset, value);
+	rte_spinlock_unlock(lock);
+}
+
+static void
+qat_qp_adf_arb_disable_gen4(const struct qat_queue *txq,
+			void *base_addr, rte_spinlock_t *lock)
+{
+	uint32_t arb_csr_offset = 0, value;
+
+	rte_spinlock_lock(lock);
+	arb_csr_offset = ADF_ARB_RINGSRVARBEN_OFFSET +
+			(ADF_RING_BUNDLE_SIZE_GEN4 *
+			txq->hw_bundle_number);
+	value = ADF_CSR_RD(base_addr + ADF_RING_CSR_ADDR_OFFSET_GEN4VF,
+			arb_csr_offset);
+	value &= ~(0x01 << txq->hw_queue_number);
+	ADF_CSR_WR(base_addr, arb_csr_offset, value);
+	rte_spinlock_unlock(lock);
+}
+
+static void
+qat_qp_adf_configure_queues_gen4(struct qat_qp *qp)
+{
+	uint32_t q_tx_config, q_resp_config;
+	struct qat_queue *q_tx = &qp->tx_q, *q_rx = &qp->rx_q;
+
+	q_tx_config = BUILD_RING_CONFIG(q_tx->queue_size);
+	q_resp_config = BUILD_RESP_RING_CONFIG(q_rx->queue_size,
+			ADF_RING_NEAR_WATERMARK_512,
+			ADF_RING_NEAR_WATERMARK_0);
+
+	WRITE_CSR_RING_CONFIG_GEN4VF(qp->mmap_bar_addr,
+		q_tx->hw_bundle_number,	q_tx->hw_queue_number,
+		q_tx_config);
+	WRITE_CSR_RING_CONFIG_GEN4VF(qp->mmap_bar_addr,
+		q_rx->hw_bundle_number,	q_rx->hw_queue_number,
+		q_resp_config);
+}
+
+static void
+qat_qp_csr_write_tail_gen4(struct qat_qp *qp, struct qat_queue *q)
+{
+	WRITE_CSR_RING_TAIL_GEN4VF(qp->mmap_bar_addr,
+		q->hw_bundle_number, q->hw_queue_number, q->tail);
+}
+
+static void
+qat_qp_csr_write_head_gen4(struct qat_qp *qp, struct qat_queue *q,
+			uint32_t new_head)
+{
+	WRITE_CSR_RING_HEAD_GEN4VF(qp->mmap_bar_addr,
+			q->hw_bundle_number, q->hw_queue_number, new_head);
+}
+
+static void
+qat_qp_csr_setup_gen4(struct qat_pci_device *qat_dev,
+			void *io_addr, struct qat_qp *qp)
+{
+	qat_qp_build_ring_base_gen4(io_addr, &qp->tx_q);
+	qat_qp_build_ring_base_gen4(io_addr, &qp->rx_q);
+	qat_qp_adf_configure_queues_gen4(qp);
+	qat_qp_adf_arb_enable_gen4(&qp->tx_q, qp->mmap_bar_addr,
+					&qat_dev->arb_csr_lock);
+}
+
+static struct qat_qp_hw_spec_funcs qat_qp_hw_spec_gen4 = {
+	.qat_qp_rings_per_service	= qat_qp_rings_per_service_gen4,
+	.qat_qp_build_ring_base		= qat_qp_build_ring_base_gen4,
+	.qat_qp_adf_arb_enable		= qat_qp_adf_arb_enable_gen4,
+	.qat_qp_adf_arb_disable		= qat_qp_adf_arb_disable_gen4,
+	.qat_qp_adf_configure_queues	= qat_qp_adf_configure_queues_gen4,
+	.qat_qp_csr_write_tail		= qat_qp_csr_write_tail_gen4,
+	.qat_qp_csr_write_head		= qat_qp_csr_write_head_gen4,
+	.qat_qp_csr_setup		= qat_qp_csr_setup_gen4,
+};
+
+static int
+qat_reset_ring_pairs_gen4(struct qat_pci_device *qat_pci_dev)
+{
+	int ret = 0, i;
+	uint8_t data[4];
+	struct qat_pf2vf_msg pf2vf_msg;
+
+	pf2vf_msg.msg_type = ADF_VF2PF_MSGTYPE_RP_RESET;
+	pf2vf_msg.block_hdr = -1;
+	for (i = 0; i < QAT_GEN4_BUNDLE_NUM; i++) {
+		pf2vf_msg.msg_data = i;
+		ret = qat_pf2vf_exch_msg(qat_pci_dev, pf2vf_msg, 1, data);
+		if (ret) {
+			QAT_LOG(ERR, "QAT error when reset bundle no %d",
+				i);
+			return ret;
+		}
+	}
+
+	return 0;
+}
+
+static const struct
+rte_mem_resource *qat_dev_get_transport_bar_gen4(struct rte_pci_device *pci_dev)
+{
+	return &pci_dev->mem_resource[0];
+}
+
+static int
+qat_dev_get_misc_bar_gen4(
+			struct rte_mem_resource **mem_resource,
+			struct rte_pci_device *pci_dev)
+{
+	*mem_resource = &pci_dev->mem_resource[2];
+	return 0;
+}
+
+static struct qat_dev_hw_spec_funcs qat_dev_hw_spec_gen4 = {
+	.qat_dev_reset_ring_pairs	= qat_reset_ring_pairs_gen4,
+	.qat_dev_get_transport_bar	= qat_dev_get_transport_bar_gen4,
+	.qat_dev_get_misc_bar		= qat_dev_get_misc_bar_gen4,
+	.qat_dev_read_config		= qat_dev_read_config_gen4,
+};
+
+RTE_INIT(qat_dev_gen_4_init)
+{
+	qat_qp_hw_spec[QAT_GEN4]		= &qat_qp_hw_spec_gen4;
+	qat_dev_hw_spec[QAT_GEN4]		= &qat_dev_hw_spec_gen4;
+	qat_gen_config[QAT_GEN4].dev_gen	= QAT_GEN4;
+	qat_gen_config[QAT_GEN4].qp_hw_data	= NULL;
+	qat_gen_config[QAT_GEN4].comp_num_im_bufs_required =
+						QAT_NUM_INTERM_BUFS_GEN3;
+	qat_gen_config[QAT_GEN4].pf2vf_dev	= &qat_pf2vf_gen4;
+}
diff --git a/drivers/common/qat/meson.build b/drivers/common/qat/meson.build
index 053c219fed..532e0fabb3 100644
--- a/drivers/common/qat/meson.build
+++ b/drivers/common/qat/meson.build
@@ -50,6 +50,10 @@  sources += files(
         'qat_device.c',
         'qat_logs.c',
         'qat_pf2vf.c',
+        'dev/qat_dev_gen1.c',
+        'dev/qat_dev_gen2.c',
+        'dev/qat_dev_gen3.c',
+        'dev/qat_dev_gen4.c'
 )
 includes += include_directories(
         'qat_adf',
diff --git a/drivers/common/qat/qat_common.h b/drivers/common/qat/qat_common.h
index 23715085f4..b15e980f0f 100644
--- a/drivers/common/qat/qat_common.h
+++ b/drivers/common/qat/qat_common.h
@@ -22,6 +22,8 @@  enum qat_device_gen {
 	QAT_GEN4
 };
 
+#define QAT_DEV_GEN_NO	(QAT_GEN4 + 1)
+
 enum qat_service_type {
 	QAT_SERVICE_ASYMMETRIC = 0,
 	QAT_SERVICE_SYMMETRIC,
diff --git a/drivers/common/qat/qat_device.c b/drivers/common/qat/qat_device.c
index 1b967cbcf7..030624b46d 100644
--- a/drivers/common/qat/qat_device.c
+++ b/drivers/common/qat/qat_device.c
@@ -13,42 +13,10 @@ 
 #include "adf_pf2vf_msg.h"
 #include "qat_pf2vf.h"
 
-/* pv2vf data Gen 4*/
-struct qat_pf2vf_dev qat_pf2vf_gen4 = {
-	.pf2vf_offset = ADF_4XXXIOV_PF2VM_OFFSET,
-	.vf2pf_offset = ADF_4XXXIOV_VM2PF_OFFSET,
-	.pf2vf_type_shift = ADF_PFVF_2X_MSGTYPE_SHIFT,
-	.pf2vf_type_mask = ADF_PFVF_2X_MSGTYPE_MASK,
-	.pf2vf_data_shift = ADF_PFVF_2X_MSGDATA_SHIFT,
-	.pf2vf_data_mask = ADF_PFVF_2X_MSGDATA_MASK,
-};
-
 /* Hardware device information per generation */
-__extension__
-struct qat_gen_hw_data qat_gen_config[] =  {
-	[QAT_GEN1] = {
-		.dev_gen = QAT_GEN1,
-		.qp_hw_data = qat_gen1_qps,
-		.comp_num_im_bufs_required = QAT_NUM_INTERM_BUFS_GEN1
-	},
-	[QAT_GEN2] = {
-		.dev_gen = QAT_GEN2,
-		.qp_hw_data = qat_gen1_qps,
-		/* gen2 has same ring layout as gen1 */
-		.comp_num_im_bufs_required = QAT_NUM_INTERM_BUFS_GEN2
-	},
-	[QAT_GEN3] = {
-		.dev_gen = QAT_GEN3,
-		.qp_hw_data = qat_gen3_qps,
-		.comp_num_im_bufs_required = QAT_NUM_INTERM_BUFS_GEN3
-	},
-	[QAT_GEN4] = {
-		.dev_gen = QAT_GEN4,
-		.qp_hw_data = NULL,
-		.comp_num_im_bufs_required = QAT_NUM_INTERM_BUFS_GEN3,
-		.pf2vf_dev = &qat_pf2vf_gen4
-	},
-};
+
+struct qat_gen_hw_data qat_gen_config[QAT_DEV_GEN_NO];
+struct qat_dev_hw_spec_funcs *qat_dev_hw_spec[QAT_DEV_GEN_NO];
 
 /* per-process array of device data */
 struct qat_device_info qat_pci_devs[RTE_PMD_QAT_MAX_PCI_DEVICES];
@@ -126,44 +94,6 @@  qat_get_qat_dev_from_pci_dev(struct rte_pci_device *pci_dev)
 	return qat_pci_get_named_dev(name);
 }
 
-static int
-qat_gen4_reset_ring_pair(struct qat_pci_device *qat_pci_dev)
-{
-	int ret = 0, i;
-	uint8_t data[4];
-	struct qat_pf2vf_msg pf2vf_msg;
-
-	pf2vf_msg.msg_type = ADF_VF2PF_MSGTYPE_RP_RESET;
-	pf2vf_msg.block_hdr = -1;
-	for (i = 0; i < QAT_GEN4_BUNDLE_NUM; i++) {
-		pf2vf_msg.msg_data = i;
-		ret = qat_pf2vf_exch_msg(qat_pci_dev, pf2vf_msg, 1, data);
-		if (ret) {
-			QAT_LOG(ERR, "QAT error when reset bundle no %d",
-				i);
-			return ret;
-		}
-	}
-
-	return 0;
-}
-
-int qat_query_svc(struct qat_pci_device *qat_dev, uint8_t *val)
-{
-	int ret = -(EINVAL);
-	struct qat_pf2vf_msg pf2vf_msg;
-
-	if (qat_dev->qat_dev_gen == QAT_GEN4) {
-		pf2vf_msg.msg_type = ADF_VF2PF_MSGTYPE_GET_SMALL_BLOCK_REQ;
-		pf2vf_msg.block_hdr = ADF_VF2PF_BLOCK_MSG_GET_RING_TO_SVC_REQ;
-		pf2vf_msg.msg_data = 2;
-		ret = qat_pf2vf_exch_msg(qat_dev, pf2vf_msg, 2, val);
-	}
-
-	return ret;
-}
-
-
 static void qat_dev_parse_cmd(const char *str, struct qat_dev_cmd_param
 		*qat_dev_cmd_param)
 {
@@ -229,6 +159,8 @@  qat_pci_device_allocate(struct rte_pci_device *pci_dev,
 	uint8_t qat_dev_id = 0;
 	char name[QAT_DEV_NAME_MAX_LEN];
 	struct rte_devargs *devargs = pci_dev->device.devargs;
+	struct qat_dev_hw_spec_funcs *ops_hw = NULL;
+	struct rte_mem_resource *mem_resource;
 
 	rte_pci_device_name(&pci_dev->addr, name, sizeof(name));
 	snprintf(name+strlen(name), QAT_DEV_NAME_MAX_LEN-strlen(name), "_qat");
@@ -300,24 +232,25 @@  qat_pci_device_allocate(struct rte_pci_device *pci_dev,
 		return NULL;
 	}
 
-	if (qat_dev->qat_dev_gen == QAT_GEN4) {
-		qat_dev->misc_bar_io_addr = pci_dev->mem_resource[2].addr;
-		if (qat_dev->misc_bar_io_addr == NULL) {
+	ops_hw = qat_dev_hw_spec[qat_dev->qat_dev_gen];
+	RTE_FUNC_PTR_OR_ERR_RET(ops_hw->qat_dev_get_misc_bar, NULL);
+	if (ops_hw->qat_dev_get_misc_bar(&mem_resource, pci_dev) == 0) {
+		if (mem_resource->addr == NULL) {
 			QAT_LOG(ERR, "QAT cannot get access to VF misc bar");
 			return NULL;
 		}
-	}
+		qat_dev->misc_bar_io_addr = mem_resource->addr;
+	} else
+		qat_dev->misc_bar_io_addr = NULL;
 
 	if (devargs && devargs->drv_str)
 		qat_dev_parse_cmd(devargs->drv_str, qat_dev_cmd_param);
 
-	if (qat_dev->qat_dev_gen >= QAT_GEN4) {
-		if (qat_read_qp_config(qat_dev)) {
-			QAT_LOG(ERR,
-				"Cannot acquire ring configuration for QAT_%d",
-				qat_dev_id);
-			return NULL;
-		}
+	if (qat_read_qp_config(qat_dev)) {
+		QAT_LOG(ERR,
+			"Cannot acquire ring configuration for QAT_%d",
+			qat_dev_id);
+		return NULL;
 	}
 
 	rte_spinlock_init(&qat_dev->arb_csr_lock);
@@ -392,6 +325,7 @@  static int qat_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
 	int sym_ret = 0, asym_ret = 0, comp_ret = 0;
 	int num_pmds_created = 0;
 	struct qat_pci_device *qat_pci_dev;
+	struct qat_dev_hw_spec_funcs *ops;
 	struct qat_dev_cmd_param qat_dev_cmd_param[] = {
 			{ SYM_ENQ_THRESHOLD_NAME, 0 },
 			{ ASYM_ENQ_THRESHOLD_NAME, 0 },
@@ -408,13 +342,14 @@  static int qat_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
 	if (qat_pci_dev == NULL)
 		return -ENODEV;
 
-	if (qat_pci_dev->qat_dev_gen == QAT_GEN4) {
-		if (qat_gen4_reset_ring_pair(qat_pci_dev)) {
-			QAT_LOG(ERR,
-				"Cannot reset ring pairs, does pf driver supports pf2vf comms?"
-				);
-			return -ENODEV;
-		}
+	ops = qat_dev_hw_spec[qat_pci_dev->qat_dev_gen];
+	RTE_FUNC_PTR_OR_ERR_RET(ops->qat_dev_reset_ring_pairs,
+		-ENOTSUP);
+	if (ops->qat_dev_reset_ring_pairs(qat_pci_dev)) {
+		QAT_LOG(ERR,
+			"Cannot reset ring pairs, does pf driver supports pf2vf comms?"
+			);
+		return -ENODEV;
 	}
 
 	sym_ret = qat_sym_dev_create(qat_pci_dev, qat_dev_cmd_param);
diff --git a/drivers/common/qat/qat_device.h b/drivers/common/qat/qat_device.h
index 228c057d1e..531aa663ca 100644
--- a/drivers/common/qat/qat_device.h
+++ b/drivers/common/qat/qat_device.h
@@ -21,6 +21,24 @@ 
 #define COMP_ENQ_THRESHOLD_NAME "qat_comp_enq_threshold"
 #define MAX_QP_THRESHOLD_SIZE	32
 
+typedef int (*qat_dev_reset_ring_pairs_t)
+		(struct qat_pci_device *);
+typedef const struct rte_mem_resource* (*qat_dev_get_transport_bar_t)
+		(struct rte_pci_device *);
+typedef int (*qat_dev_get_misc_bar_t)
+		(struct rte_mem_resource **, struct rte_pci_device *);
+typedef int (*qat_dev_read_config_t)
+		(struct qat_pci_device *);
+
+struct qat_dev_hw_spec_funcs {
+	qat_dev_reset_ring_pairs_t	qat_dev_reset_ring_pairs;
+	qat_dev_get_transport_bar_t	qat_dev_get_transport_bar;
+	qat_dev_get_misc_bar_t		qat_dev_get_misc_bar;
+	qat_dev_read_config_t		qat_dev_read_config;
+};
+
+extern struct qat_dev_hw_spec_funcs *qat_dev_hw_spec[];
+
 struct qat_dev_cmd_param {
 	const char *name;
 	uint16_t val;
@@ -57,6 +75,9 @@  struct qat_device_info {
 	 */
 };
 
+extern const struct qat_qp_hw_data qat_gen1_qps[][ADF_MAX_QPS_ON_ANY_SERVICE];
+extern const struct qat_qp_hw_data qat_gen3_qps[][ADF_MAX_QPS_ON_ANY_SERVICE];
+
 extern struct qat_device_info qat_pci_devs[];
 
 struct qat_sym_dev_private;
@@ -159,7 +180,4 @@  qat_comp_dev_create(struct qat_pci_device *qat_pci_dev __rte_unused,
 int
 qat_comp_dev_destroy(struct qat_pci_device *qat_pci_dev __rte_unused);
 
-int
-qat_query_svc(struct qat_pci_device *qat_pci_dev, uint8_t *ret);
-
 #endif /* _QAT_DEVICE_H_ */
diff --git a/drivers/common/qat/qat_qp.c b/drivers/common/qat/qat_qp.c
index 026ea5ee01..ff4d7fa95c 100644
--- a/drivers/common/qat/qat_qp.c
+++ b/drivers/common/qat/qat_qp.c
@@ -18,119 +18,14 @@ 
 #include "qat_sym.h"
 #include "qat_asym.h"
 #include "qat_comp.h"
-#include "adf_transport_access_macros.h"
-#include "adf_transport_access_macros_gen4vf.h"
 
 #define QAT_CQ_MAX_DEQ_RETRIES 10
 
 #define ADF_MAX_DESC				4096
 #define ADF_MIN_DESC				128
 
-#define ADF_ARB_REG_SLOT			0x1000
-#define ADF_ARB_RINGSRVARBEN_OFFSET		0x19C
-
-#define WRITE_CSR_ARB_RINGSRVARBEN(csr_addr, index, value) \
-	ADF_CSR_WR(csr_addr, ADF_ARB_RINGSRVARBEN_OFFSET + \
-	(ADF_ARB_REG_SLOT * index), value)
-
-__extension__
-const struct qat_qp_hw_data qat_gen1_qps[QAT_MAX_SERVICES]
-					 [ADF_MAX_QPS_ON_ANY_SERVICE] = {
-	/* queue pairs which provide an asymmetric crypto service */
-	[QAT_SERVICE_ASYMMETRIC] = {
-		{
-			.service_type = QAT_SERVICE_ASYMMETRIC,
-			.hw_bundle_num = 0,
-			.tx_ring_num = 0,
-			.rx_ring_num = 8,
-			.tx_msg_size = 64,
-			.rx_msg_size = 32,
-
-		}, {
-			.service_type = QAT_SERVICE_ASYMMETRIC,
-			.hw_bundle_num = 0,
-			.tx_ring_num = 1,
-			.rx_ring_num = 9,
-			.tx_msg_size = 64,
-			.rx_msg_size = 32,
-		}
-	},
-	/* queue pairs which provide a symmetric crypto service */
-	[QAT_SERVICE_SYMMETRIC] = {
-		{
-			.service_type = QAT_SERVICE_SYMMETRIC,
-			.hw_bundle_num = 0,
-			.tx_ring_num = 2,
-			.rx_ring_num = 10,
-			.tx_msg_size = 128,
-			.rx_msg_size = 32,
-		},
-		{
-			.service_type = QAT_SERVICE_SYMMETRIC,
-			.hw_bundle_num = 0,
-			.tx_ring_num = 3,
-			.rx_ring_num = 11,
-			.tx_msg_size = 128,
-			.rx_msg_size = 32,
-		}
-	},
-	/* queue pairs which provide a compression service */
-	[QAT_SERVICE_COMPRESSION] = {
-		{
-			.service_type = QAT_SERVICE_COMPRESSION,
-			.hw_bundle_num = 0,
-			.tx_ring_num = 6,
-			.rx_ring_num = 14,
-			.tx_msg_size = 128,
-			.rx_msg_size = 32,
-		}, {
-			.service_type = QAT_SERVICE_COMPRESSION,
-			.hw_bundle_num = 0,
-			.tx_ring_num = 7,
-			.rx_ring_num = 15,
-			.tx_msg_size = 128,
-			.rx_msg_size = 32,
-		}
-	}
-};
-
-__extension__
-const struct qat_qp_hw_data qat_gen3_qps[QAT_MAX_SERVICES]
-					 [ADF_MAX_QPS_ON_ANY_SERVICE] = {
-	/* queue pairs which provide an asymmetric crypto service */
-	[QAT_SERVICE_ASYMMETRIC] = {
-		{
-			.service_type = QAT_SERVICE_ASYMMETRIC,
-			.hw_bundle_num = 0,
-			.tx_ring_num = 0,
-			.rx_ring_num = 4,
-			.tx_msg_size = 64,
-			.rx_msg_size = 32,
-		}
-	},
-	/* queue pairs which provide a symmetric crypto service */
-	[QAT_SERVICE_SYMMETRIC] = {
-		{
-			.service_type = QAT_SERVICE_SYMMETRIC,
-			.hw_bundle_num = 0,
-			.tx_ring_num = 1,
-			.rx_ring_num = 5,
-			.tx_msg_size = 128,
-			.rx_msg_size = 32,
-		}
-	},
-	/* queue pairs which provide a compression service */
-	[QAT_SERVICE_COMPRESSION] = {
-		{
-			.service_type = QAT_SERVICE_COMPRESSION,
-			.hw_bundle_num = 0,
-			.tx_ring_num = 3,
-			.rx_ring_num = 7,
-			.tx_msg_size = 128,
-			.rx_msg_size = 32,
-		}
-	}
-};
+struct qat_qp_hw_spec_funcs*
+	qat_qp_hw_spec[QAT_DEV_GEN_NO];
 
 static int qat_qp_check_queue_alignment(uint64_t phys_addr,
 	uint32_t queue_size_bytes);
@@ -139,66 +34,19 @@  static int qat_queue_create(struct qat_pci_device *qat_dev,
 	struct qat_queue *queue, struct qat_qp_config *, uint8_t dir);
 static int adf_verify_queue_size(uint32_t msg_size, uint32_t msg_num,
 	uint32_t *queue_size_for_csr);
-static void adf_configure_queues(struct qat_qp *queue,
+static int adf_configure_queues(struct qat_qp *queue,
 	enum qat_device_gen qat_dev_gen);
-static void adf_queue_arb_enable(enum qat_device_gen qat_dev_gen,
+static int adf_queue_arb_enable(struct qat_pci_device *qat_dev,
 	struct qat_queue *txq, void *base_addr, rte_spinlock_t *lock);
-static void adf_queue_arb_disable(enum qat_device_gen qat_dev_gen,
+static int adf_queue_arb_disable(enum qat_device_gen qat_dev_gen,
 	struct qat_queue *txq, void *base_addr, rte_spinlock_t *lock);
-
-int qat_qps_per_service(struct qat_pci_device *qat_dev,
-		enum qat_service_type service)
-{
-	int i = 0, count = 0, max_ops_per_srv = 0;
-
-	if (qat_dev->qat_dev_gen == QAT_GEN4) {
-		max_ops_per_srv = QAT_GEN4_BUNDLE_NUM;
-		for (i = 0, count = 0; i < max_ops_per_srv; i++)
-			if (qat_dev->qp_gen4_data[i][0].service_type == service)
-				count++;
-	} else {
-		const struct qat_qp_hw_data *sym_hw_qps =
-				qat_gen_config[qat_dev->qat_dev_gen]
-				.qp_hw_data[service];
-
-		max_ops_per_srv = ADF_MAX_QPS_ON_ANY_SERVICE;
-		for (i = 0, count = 0; i < max_ops_per_srv; i++)
-			if (sym_hw_qps[i].service_type == service)
-				count++;
-	}
-
-	return count;
-}
-
+static int qat_qp_build_ring_base(struct qat_pci_device *qat_dev,
+	void *io_addr, struct qat_queue *queue);
 static const struct rte_memzone *
-queue_dma_zone_reserve(const char *queue_name, uint32_t queue_size,
-			int socket_id)
-{
-	const struct rte_memzone *mz;
-
-	mz = rte_memzone_lookup(queue_name);
-	if (mz != 0) {
-		if (((size_t)queue_size <= mz->len) &&
-				((socket_id == SOCKET_ID_ANY) ||
-					(socket_id == mz->socket_id))) {
-			QAT_LOG(DEBUG, "re-use memzone already "
-					"allocated for %s", queue_name);
-			return mz;
-		}
-
-		QAT_LOG(ERR, "Incompatible memzone already "
-				"allocated %s, size %u, socket %d. "
-				"Requested size %u, socket %u",
-				queue_name, (uint32_t)mz->len,
-				mz->socket_id, queue_size, socket_id);
-		return NULL;
-	}
-
-	QAT_LOG(DEBUG, "Allocate memzone for %s, size %u on socket %u",
-					queue_name, queue_size, socket_id);
-	return rte_memzone_reserve_aligned(queue_name, queue_size,
-		socket_id, RTE_MEMZONE_IOVA_CONTIG, queue_size);
-}
+	queue_dma_zone_reserve(const char *queue_name, uint32_t queue_size,
+			int socket_id);
+static int qat_qp_csr_setup(struct qat_pci_device *qat_dev,
+		void *io_addr, struct qat_qp *qp);
 
 int qat_qp_setup(struct qat_pci_device *qat_dev,
 		struct qat_qp **qp_addr,
@@ -209,8 +57,10 @@  int qat_qp_setup(struct qat_pci_device *qat_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];
-	enum qat_device_gen qat_dev_gen = qat_dev->qat_dev_gen;
 	uint32_t i;
+	struct qat_dev_hw_spec_funcs *ops_hw =
+		qat_dev_hw_spec[qat_dev->qat_dev_gen];
+	void *io_addr;
 
 	QAT_LOG(DEBUG, "Setup qp %u on qat pci device %d gen %d",
 		queue_pair_id, qat_dev->qat_dev_id, qat_dev->qat_dev_gen);
@@ -222,7 +72,10 @@  int qat_qp_setup(struct qat_pci_device *qat_dev,
 		return -EINVAL;
 	}
 
-	if (pci_dev->mem_resource[0].addr == NULL) {
+	RTE_FUNC_PTR_OR_ERR_RET(ops_hw->qat_dev_get_transport_bar,
+		-ENOTSUP);
+	io_addr = ops_hw->qat_dev_get_transport_bar(pci_dev)->addr;
+	if (io_addr == NULL) {
 		QAT_LOG(ERR, "Could not find VF config space "
 				"(UIO driver attached?).");
 		return -EINVAL;
@@ -246,7 +99,7 @@  int qat_qp_setup(struct qat_pci_device *qat_dev,
 		return -ENOMEM;
 	}
 
-	qp->mmap_bar_addr = pci_dev->mem_resource[0].addr;
+	qp->mmap_bar_addr = io_addr;
 	qp->enqueued = qp->dequeued = 0;
 
 	if (qat_queue_create(qat_dev, &(qp->tx_q), qat_qp_conf,
@@ -273,10 +126,6 @@  int qat_qp_setup(struct qat_pci_device *qat_dev,
 		goto create_err;
 	}
 
-	adf_configure_queues(qp, qat_dev_gen);
-	adf_queue_arb_enable(qat_dev_gen, &qp->tx_q, qp->mmap_bar_addr,
-					&qat_dev->arb_csr_lock);
-
 	snprintf(op_cookie_pool_name, RTE_RING_NAMESIZE,
 					"%s%d_cookies_%s_qp%hu",
 		pci_dev->driver->driver.name, qat_dev->qat_dev_id,
@@ -312,6 +161,8 @@  int qat_qp_setup(struct qat_pci_device *qat_dev,
 	QAT_LOG(DEBUG, "QP setup complete: id: %d, cookiepool: %s",
 			queue_pair_id, op_cookie_pool_name);
 
+	qat_qp_csr_setup(qat_dev, io_addr, qp);
+
 	*qp_addr = qp;
 	return 0;
 
@@ -323,80 +174,13 @@  int qat_qp_setup(struct qat_pci_device *qat_dev,
 	return -EFAULT;
 }
 
-
-int qat_qp_release(enum qat_device_gen qat_dev_gen, struct qat_qp **qp_addr)
-{
-	struct qat_qp *qp = *qp_addr;
-	uint32_t i;
-
-	if (qp == NULL) {
-		QAT_LOG(DEBUG, "qp already freed");
-		return 0;
-	}
-
-	QAT_LOG(DEBUG, "Free qp on qat_pci device %d",
-				qp->qat_dev->qat_dev_id);
-
-	/* Don't free memory if there are still responses to be processed */
-	if ((qp->enqueued - qp->dequeued) == 0) {
-		qat_queue_delete(&(qp->tx_q));
-		qat_queue_delete(&(qp->rx_q));
-	} else {
-		return -EAGAIN;
-	}
-
-	adf_queue_arb_disable(qat_dev_gen, &(qp->tx_q), qp->mmap_bar_addr,
-				&qp->qat_dev->arb_csr_lock);
-
-	for (i = 0; i < qp->nb_descriptors; i++)
-		rte_mempool_put(qp->op_cookie_pool, qp->op_cookies[i]);
-
-	if (qp->op_cookie_pool)
-		rte_mempool_free(qp->op_cookie_pool);
-
-	rte_free(qp->op_cookies);
-	rte_free(qp);
-	*qp_addr = NULL;
-	return 0;
-}
-
-
-static void qat_queue_delete(struct qat_queue *queue)
-{
-	const struct rte_memzone *mz;
-	int status = 0;
-
-	if (queue == NULL) {
-		QAT_LOG(DEBUG, "Invalid queue");
-		return;
-	}
-	QAT_LOG(DEBUG, "Free ring %d, memzone: %s",
-			queue->hw_queue_number, queue->memz_name);
-
-	mz = rte_memzone_lookup(queue->memz_name);
-	if (mz != NULL)	{
-		/* Write an unused pattern to the queue memory. */
-		memset(queue->base_addr, 0x7F, queue->queue_size);
-		status = rte_memzone_free(mz);
-		if (status != 0)
-			QAT_LOG(ERR, "Error %d on freeing queue %s",
-					status, queue->memz_name);
-	} else {
-		QAT_LOG(DEBUG, "queue %s doesn't exist",
-				queue->memz_name);
-	}
-}
-
 static int
 qat_queue_create(struct qat_pci_device *qat_dev, struct qat_queue *queue,
 		struct qat_qp_config *qp_conf, uint8_t dir)
 {
-	uint64_t queue_base;
-	void *io_addr;
 	const struct rte_memzone *qp_mz;
 	struct rte_pci_device *pci_dev =
 			qat_pci_devs[qat_dev->qat_dev_id].pci_dev;
-	enum qat_device_gen qat_dev_gen = qat_dev->qat_dev_gen;
 	int ret = 0;
 	uint16_t desc_size = (dir == ADF_RING_DIR_TX ?
 			qp_conf->hw->tx_msg_size : qp_conf->hw->rx_msg_size);
@@ -456,19 +240,6 @@  qat_queue_create(struct qat_pci_device *qat_dev, struct qat_queue *queue,
 	 * Write an unused pattern to the queue memory.
 	 */
 	memset(queue->base_addr, 0x7F, queue_size_bytes);
-	io_addr = pci_dev->mem_resource[0].addr;
-
-	if (qat_dev_gen == QAT_GEN4) {
-		queue_base = BUILD_RING_BASE_ADDR_GEN4(queue->base_phys_addr,
-					queue->queue_size);
-		WRITE_CSR_RING_BASE_GEN4VF(io_addr, queue->hw_bundle_number,
-			queue->hw_queue_number, queue_base);
-	} else {
-		queue_base = BUILD_RING_BASE_ADDR(queue->base_phys_addr,
-				queue->queue_size);
-		WRITE_CSR_RING_BASE(io_addr, queue->hw_bundle_number,
-			queue->hw_queue_number, queue_base);
-	}
 
 	QAT_LOG(DEBUG, "RING: Name:%s, size in CSR: %u, in bytes %u,"
 		" nb msgs %u, msg_size %u, modulo mask %u",
@@ -484,202 +255,216 @@  qat_queue_create(struct qat_pci_device *qat_dev, struct qat_queue *queue,
 	return ret;
 }
 
-int
-qat_select_valid_queue(struct qat_pci_device *qat_dev, int qp_id,
-			enum qat_service_type service_type)
+static const struct rte_memzone *
+queue_dma_zone_reserve(const char *queue_name, uint32_t queue_size,
+			int socket_id)
 {
-	if (qat_dev->qat_dev_gen == QAT_GEN4) {
-		int i = 0, valid_qps = 0;
-
-		for (; i < QAT_GEN4_BUNDLE_NUM; i++) {
-			if (qat_dev->qp_gen4_data[i][0].service_type ==
-				service_type) {
-				if (valid_qps == qp_id)
-					return i;
-				++valid_qps;
-			}
+	const struct rte_memzone *mz;
+
+	mz = rte_memzone_lookup(queue_name);
+	if (mz != 0) {
+		if (((size_t)queue_size <= mz->len) &&
+				((socket_id == SOCKET_ID_ANY) ||
+					(socket_id == mz->socket_id))) {
+			QAT_LOG(DEBUG,
+				"re-use memzone already allocated for %s",
+				queue_name);
+			return mz;
 		}
+
+		QAT_LOG(ERR,
+			"Incompatible memzone already allocated %s, size %u, socket %d. Requested size %u, socket %u",
+			queue_name, (uint32_t)mz->len,
+			mz->socket_id, queue_size, socket_id);
+		return NULL;
 	}
-	return -1;
+
+	QAT_LOG(DEBUG, "Allocate memzone for %s, size %u on socket %u",
+					queue_name, queue_size, socket_id);
+	return rte_memzone_reserve_aligned(queue_name, queue_size,
+		socket_id, RTE_MEMZONE_IOVA_CONTIG, queue_size);
 }
 
-int
-qat_read_qp_config(struct qat_pci_device *qat_dev)
+int qat_qp_release(enum qat_device_gen qat_dev_gen, struct qat_qp **qp_addr)
 {
-	int i = 0;
-	enum qat_device_gen qat_dev_gen = qat_dev->qat_dev_gen;
-
-	if (qat_dev_gen == QAT_GEN4) {
-		uint16_t svc = 0;
-
-		if (qat_query_svc(qat_dev, (uint8_t *)&svc))
-			return -(EFAULT);
-		for (; i < QAT_GEN4_BUNDLE_NUM; i++) {
-			struct qat_qp_hw_data *hw_data =
-				&qat_dev->qp_gen4_data[i][0];
-			uint8_t svc1 = (svc >> (3 * i)) & 0x7;
-			enum qat_service_type service_type = QAT_SERVICE_INVALID;
-
-			if (svc1 == QAT_SVC_SYM) {
-				service_type = QAT_SERVICE_SYMMETRIC;
-				QAT_LOG(DEBUG,
-					"Discovered SYMMETRIC service on bundle %d",
-					i);
-			} else if (svc1 == QAT_SVC_COMPRESSION) {
-				service_type = QAT_SERVICE_COMPRESSION;
-				QAT_LOG(DEBUG,
-					"Discovered COPRESSION service on bundle %d",
-					i);
-			} else if (svc1 == QAT_SVC_ASYM) {
-				service_type = QAT_SERVICE_ASYMMETRIC;
-				QAT_LOG(DEBUG,
-					"Discovered ASYMMETRIC service on bundle %d",
-					i);
-			} else {
-				QAT_LOG(ERR,
-					"Unrecognized service on bundle %d",
-					i);
-				return -(EFAULT);
-			}
+	int ret;
+	struct qat_qp *qp = *qp_addr;
+	uint32_t i;
 
-			memset(hw_data, 0, sizeof(*hw_data));
-			hw_data->service_type = service_type;
-			if (service_type == QAT_SERVICE_ASYMMETRIC) {
-				hw_data->tx_msg_size = 64;
-				hw_data->rx_msg_size = 32;
-			} else if (service_type == QAT_SERVICE_SYMMETRIC ||
-					service_type ==
-						QAT_SERVICE_COMPRESSION) {
-				hw_data->tx_msg_size = 128;
-				hw_data->rx_msg_size = 32;
-			}
-			hw_data->tx_ring_num = 0;
-			hw_data->rx_ring_num = 1;
-			hw_data->hw_bundle_num = i;
-		}
+	if (qp == NULL) {
+		QAT_LOG(DEBUG, "qp already freed");
 		return 0;
 	}
-	return -(EINVAL);
-}
 
-static int qat_qp_check_queue_alignment(uint64_t phys_addr,
-					uint32_t queue_size_bytes)
-{
-	if (((queue_size_bytes - 1) & phys_addr) != 0)
-		return -EINVAL;
+	QAT_LOG(DEBUG, "Free qp on qat_pci device %d",
+				qp->qat_dev->qat_dev_id);
+
+	/* Don't free memory if there are still responses to be processed */
+	if ((qp->enqueued - qp->dequeued) == 0) {
+		qat_queue_delete(&(qp->tx_q));
+		qat_queue_delete(&(qp->rx_q));
+	} else {
+		return -EAGAIN;
+	}
+
+	ret = adf_queue_arb_disable(qat_dev_gen, &(qp->tx_q), qp->mmap_bar_addr,
+				&qp->qat_dev->arb_csr_lock);
+	if (ret)
+		return ret;
+
+	for (i = 0; i < qp->nb_descriptors; i++)
+		rte_mempool_put(qp->op_cookie_pool, qp->op_cookies[i]);
+
+	if (qp->op_cookie_pool)
+		rte_mempool_free(qp->op_cookie_pool);
+
+	rte_free(qp->op_cookies);
+	rte_free(qp);
+	*qp_addr = NULL;
 	return 0;
 }
 
-static int adf_verify_queue_size(uint32_t msg_size, uint32_t msg_num,
-	uint32_t *p_queue_size_for_csr)
+
+static void qat_queue_delete(struct qat_queue *queue)
 {
-	uint8_t i = ADF_MIN_RING_SIZE;
+	const struct rte_memzone *mz;
+	int status = 0;
 
-	for (; i <= ADF_MAX_RING_SIZE; i++)
-		if ((msg_size * msg_num) ==
-				(uint32_t)ADF_SIZE_TO_RING_SIZE_IN_BYTES(i)) {
-			*p_queue_size_for_csr = i;
-			return 0;
-		}
-	QAT_LOG(ERR, "Invalid ring size %d", msg_size * msg_num);
-	return -EINVAL;
+	if (queue == NULL) {
+		QAT_LOG(DEBUG, "Invalid queue");
+		return;
+	}
+	QAT_LOG(DEBUG, "Free ring %d, memzone: %s",
+			queue->hw_queue_number, queue->memz_name);
+
+	mz = rte_memzone_lookup(queue->memz_name);
+	if (mz != NULL)	{
+		/* Write an unused pattern to the queue memory. */
+		memset(queue->base_addr, 0x7F, queue->queue_size);
+		status = rte_memzone_free(mz);
+		if (status != 0)
+			QAT_LOG(ERR, "Error %d on freeing queue %s",
+					status, queue->memz_name);
+	} else {
+		QAT_LOG(DEBUG, "queue %s doesn't exist",
+				queue->memz_name);
+	}
 }
 
-static void
-adf_queue_arb_enable(enum qat_device_gen qat_dev_gen, struct qat_queue *txq,
+static int __rte_unused
+adf_queue_arb_enable(struct qat_pci_device *qat_dev, struct qat_queue *txq,
 			void *base_addr, rte_spinlock_t *lock)
 {
-	uint32_t arb_csr_offset = 0, value;
-
-	rte_spinlock_lock(lock);
-	if (qat_dev_gen == QAT_GEN4) {
-		arb_csr_offset = ADF_ARB_RINGSRVARBEN_OFFSET +
-				(ADF_RING_BUNDLE_SIZE_GEN4 *
-				txq->hw_bundle_number);
-		value = ADF_CSR_RD(base_addr + ADF_RING_CSR_ADDR_OFFSET_GEN4VF,
-				arb_csr_offset);
-	} else {
-		arb_csr_offset = ADF_ARB_RINGSRVARBEN_OFFSET +
-				(ADF_ARB_REG_SLOT *
-				txq->hw_bundle_number);
-		value = ADF_CSR_RD(base_addr,
-				arb_csr_offset);
-	}
-	value |= (0x01 << txq->hw_queue_number);
-	ADF_CSR_WR(base_addr, arb_csr_offset, value);
-	rte_spinlock_unlock(lock);
+	struct qat_qp_hw_spec_funcs *ops =
+		qat_qp_hw_spec[qat_dev->qat_dev_gen];
+
+	RTE_FUNC_PTR_OR_ERR_RET(ops->qat_qp_adf_arb_enable,
+			-ENOTSUP);
+	ops->qat_qp_adf_arb_enable(txq, base_addr, lock);
+	return 0;
 }
 
-static void adf_queue_arb_disable(enum qat_device_gen qat_dev_gen,
+static int adf_queue_arb_disable(enum qat_device_gen qat_dev_gen,
 		struct qat_queue *txq, void *base_addr, rte_spinlock_t *lock)
 {
-	uint32_t arb_csr_offset = 0, value;
-
-	rte_spinlock_lock(lock);
-	if (qat_dev_gen == QAT_GEN4) {
-		arb_csr_offset = ADF_ARB_RINGSRVARBEN_OFFSET +
-				(ADF_RING_BUNDLE_SIZE_GEN4 *
-				txq->hw_bundle_number);
-		value = ADF_CSR_RD(base_addr + ADF_RING_CSR_ADDR_OFFSET_GEN4VF,
-				arb_csr_offset);
-	} else {
-		arb_csr_offset = ADF_ARB_RINGSRVARBEN_OFFSET +
-				(ADF_ARB_REG_SLOT *
-				txq->hw_bundle_number);
-		value = ADF_CSR_RD(base_addr,
-				arb_csr_offset);
-	}
-	value &= ~(0x01 << txq->hw_queue_number);
-	ADF_CSR_WR(base_addr, arb_csr_offset, value);
-	rte_spinlock_unlock(lock);
+	struct qat_qp_hw_spec_funcs *ops =
+		qat_qp_hw_spec[qat_dev_gen];
+
+	RTE_FUNC_PTR_OR_ERR_RET(ops->qat_qp_adf_arb_disable,
+			-ENOTSUP);
+	ops->qat_qp_adf_arb_disable(txq, base_addr, lock);
+	return 0;
 }
 
-static void adf_configure_queues(struct qat_qp *qp,
-		enum qat_device_gen qat_dev_gen)
+static int __rte_unused
+qat_qp_build_ring_base(struct qat_pci_device *qat_dev, void *io_addr,
+				struct qat_queue *queue)
 {
-	uint32_t q_tx_config, q_resp_config;
-	struct qat_queue *q_tx = &qp->tx_q, *q_rx = &qp->rx_q;
-
-	q_tx_config = BUILD_RING_CONFIG(q_tx->queue_size);
-	q_resp_config = BUILD_RESP_RING_CONFIG(q_rx->queue_size,
-			ADF_RING_NEAR_WATERMARK_512,
-			ADF_RING_NEAR_WATERMARK_0);
-
-	if (qat_dev_gen == QAT_GEN4) {
-		WRITE_CSR_RING_CONFIG_GEN4VF(qp->mmap_bar_addr,
-			q_tx->hw_bundle_number,	q_tx->hw_queue_number,
-			q_tx_config);
-		WRITE_CSR_RING_CONFIG_GEN4VF(qp->mmap_bar_addr,
-			q_rx->hw_bundle_number,	q_rx->hw_queue_number,
-			q_resp_config);
-	} else {
-		WRITE_CSR_RING_CONFIG(qp->mmap_bar_addr,
-			q_tx->hw_bundle_number,	q_tx->hw_queue_number,
-			q_tx_config);
-		WRITE_CSR_RING_CONFIG(qp->mmap_bar_addr,
-			q_rx->hw_bundle_number,	q_rx->hw_queue_number,
-			q_resp_config);
-	}
+	struct qat_qp_hw_spec_funcs *ops =
+		qat_qp_hw_spec[qat_dev->qat_dev_gen];
+
+	RTE_FUNC_PTR_OR_ERR_RET(ops->qat_qp_build_ring_base,
+			-ENOTSUP);
+	ops->qat_qp_build_ring_base(io_addr, queue);
+	return 0;
 }
 
-static inline uint32_t adf_modulo(uint32_t data, uint32_t modulo_mask)
+int qat_qps_per_service(struct qat_pci_device *qat_dev,
+		enum qat_service_type service)
 {
-	return data & modulo_mask;
+	struct qat_qp_hw_spec_funcs *ops =
+		qat_qp_hw_spec[qat_dev->qat_dev_gen];
+
+	RTE_FUNC_PTR_OR_ERR_RET(ops->qat_qp_rings_per_service,
+			-ENOTSUP);
+	return ops->qat_qp_rings_per_service(qat_dev, service);
+}
+
+int
+qat_read_qp_config(struct qat_pci_device *qat_dev)
+{
+	struct qat_dev_hw_spec_funcs *ops_hw =
+		qat_dev_hw_spec[qat_dev->qat_dev_gen];
+
+	RTE_FUNC_PTR_OR_ERR_RET(ops_hw->qat_dev_read_config,
+			-ENOTSUP);
+	return ops_hw->qat_dev_read_config(qat_dev);
+}
+
+static int __rte_unused
+adf_configure_queues(struct qat_qp *qp,	enum qat_device_gen qat_dev_gen)
+{
+	struct qat_qp_hw_spec_funcs *ops =
+		qat_qp_hw_spec[qat_dev_gen];
+
+	RTE_FUNC_PTR_OR_ERR_RET(ops->qat_qp_adf_configure_queues,
+			-ENOTSUP);
+	ops->qat_qp_adf_configure_queues(qp);
+	return 0;
 }
 
 static inline void
 txq_write_tail(enum qat_device_gen qat_dev_gen,
-		struct qat_qp *qp, struct qat_queue *q) {
+		struct qat_qp *qp, struct qat_queue *q)
+{
+	struct qat_qp_hw_spec_funcs *ops =
+		qat_qp_hw_spec[qat_dev_gen];
 
-	if (qat_dev_gen == QAT_GEN4) {
-		WRITE_CSR_RING_TAIL_GEN4VF(qp->mmap_bar_addr,
-			q->hw_bundle_number, q->hw_queue_number, q->tail);
-	} else {
-		WRITE_CSR_RING_TAIL(qp->mmap_bar_addr, q->hw_bundle_number,
-			q->hw_queue_number, q->tail);
-	}
+	/*
+	 * Pointer check should be done during
+	 * initialization
+	 */
+	ops->qat_qp_csr_write_tail(qp, q);
 }
 
+static inline void
+qat_qp_csr_write_head(enum qat_device_gen qat_dev_gen, struct qat_qp *qp,
+			struct qat_queue *q, uint32_t new_head)
+{
+	struct qat_qp_hw_spec_funcs *ops =
+		qat_qp_hw_spec[qat_dev_gen];
+
+	/*
+	 * Pointer check should be done during
+	 * initialization
+	 */
+	ops->qat_qp_csr_write_head(qp, q, new_head);
+}
+
+static int
+qat_qp_csr_setup(struct qat_pci_device *qat_dev,
+		void *io_addr, struct qat_qp *qp)
+{
+	struct qat_qp_hw_spec_funcs *ops =
+		qat_qp_hw_spec[qat_dev->qat_dev_gen];
+
+	RTE_FUNC_PTR_OR_ERR_RET(ops->qat_qp_csr_setup,
+			-ENOTSUP);
+	ops->qat_qp_csr_setup(qat_dev, io_addr, qp);
+	return 0;
+}
+
+
 static inline
 void rxq_free_desc(enum qat_device_gen qat_dev_gen, struct qat_qp *qp,
 				struct qat_queue *q)
@@ -703,15 +488,35 @@  void rxq_free_desc(enum qat_device_gen qat_dev_gen, struct qat_qp *qp,
 	q->nb_processed_responses = 0;
 	q->csr_head = new_head;
 
-	/* write current head to CSR */
-	if (qat_dev_gen == QAT_GEN4) {
-		WRITE_CSR_RING_HEAD_GEN4VF(qp->mmap_bar_addr,
-			q->hw_bundle_number, q->hw_queue_number, new_head);
-	} else {
-		WRITE_CSR_RING_HEAD(qp->mmap_bar_addr, q->hw_bundle_number,
-				q->hw_queue_number, new_head);
-	}
+	qat_qp_csr_write_head(qat_dev_gen, qp, q, new_head);
+}
+
+static int qat_qp_check_queue_alignment(uint64_t phys_addr,
+					uint32_t queue_size_bytes)
+{
+	if (((queue_size_bytes - 1) & phys_addr) != 0)
+		return -EINVAL;
+	return 0;
+}
+
+static int adf_verify_queue_size(uint32_t msg_size, uint32_t msg_num,
+	uint32_t *p_queue_size_for_csr)
+{
+	uint8_t i = ADF_MIN_RING_SIZE;
 
+	for (; i <= ADF_MAX_RING_SIZE; i++)
+		if ((msg_size * msg_num) ==
+				(uint32_t)ADF_SIZE_TO_RING_SIZE_IN_BYTES(i)) {
+			*p_queue_size_for_csr = i;
+			return 0;
+		}
+	QAT_LOG(ERR, "Invalid ring size %d", msg_size * msg_num);
+	return -EINVAL;
+}
+
+static inline uint32_t adf_modulo(uint32_t data, uint32_t modulo_mask)
+{
+	return data & modulo_mask;
 }
 
 uint16_t
diff --git a/drivers/common/qat/qat_qp.h b/drivers/common/qat/qat_qp.h
index e1627197fa..ffba3a3615 100644
--- a/drivers/common/qat/qat_qp.h
+++ b/drivers/common/qat/qat_qp.h
@@ -24,6 +24,8 @@  struct qat_pci_device;
 #define QAT_GEN4_BUNDLE_NUM             4
 #define QAT_GEN4_QPS_PER_BUNDLE_NUM     1
 
+#define ADF_ARB_RINGSRVARBEN_OFFSET		0x19C
+
 /**
  * Structure with data needed for creation of queue pair.
  */
@@ -96,9 +98,6 @@  struct qat_qp {
 	uint16_t min_enq_burst_threshold;
 } __rte_cache_aligned;
 
-extern const struct qat_qp_hw_data qat_gen1_qps[][ADF_MAX_QPS_ON_ANY_SERVICE];
-extern const struct qat_qp_hw_data qat_gen3_qps[][ADF_MAX_QPS_ON_ANY_SERVICE];
-
 uint16_t
 qat_enqueue_op_burst(void *qp, void **ops, uint16_t nb_ops);
 
@@ -129,11 +128,43 @@  qat_comp_process_response(void **op __rte_unused, uint8_t *resp __rte_unused,
 			  void *op_cookie __rte_unused,
 			  uint64_t *dequeue_err_count __rte_unused);
 
-int
-qat_select_valid_queue(struct qat_pci_device *qat_dev, int qp_id,
-			enum qat_service_type service_type);
-
 int
 qat_read_qp_config(struct qat_pci_device *qat_dev);
 
+typedef int (*qat_qp_rings_per_service_t)
+		(struct qat_pci_device *, enum qat_service_type);
+typedef void (*qat_qp_build_ring_base_t)
+		(void *, struct qat_queue *);
+typedef void (*qat_qp_adf_arb_enable_t)
+		(const struct qat_queue *, void *,
+			rte_spinlock_t *);
+typedef void (*qat_qp_adf_arb_disable_t)
+		(const struct qat_queue *, void *,
+			rte_spinlock_t *);
+typedef void (*qat_qp_adf_configure_queues_t)(struct qat_qp *);
+
+typedef void (*qat_qp_csr_write_tail_t)(struct qat_qp *qp,
+					struct qat_queue *q);
+
+typedef void (*qat_qp_csr_write_head_t)(struct qat_qp *qp,
+					struct qat_queue *q,
+					uint32_t new_head);
+
+typedef void (*qat_qp_csr_setup_t)(struct qat_pci_device*,
+					void *, struct qat_qp *);
+
+struct qat_qp_hw_spec_funcs {
+	qat_qp_rings_per_service_t	qat_qp_rings_per_service;
+	qat_qp_build_ring_base_t	qat_qp_build_ring_base;
+	qat_qp_adf_arb_enable_t		qat_qp_adf_arb_enable;
+	qat_qp_adf_arb_disable_t	qat_qp_adf_arb_disable;
+	qat_qp_adf_configure_queues_t	qat_qp_adf_configure_queues;
+	qat_qp_csr_write_tail_t		qat_qp_csr_write_tail;
+	qat_qp_csr_write_head_t		qat_qp_csr_write_head;
+	qat_qp_csr_setup_t		qat_qp_csr_setup;
+};
+
+extern struct
+qat_qp_hw_spec_funcs *qat_qp_hw_spec[];
+
 #endif /* _QAT_QP_H_ */