[dpdk-dev] [PATCH 5/8] raw/dpaa2_qdma: support configuration APIs

[Nipun Gupta <nipun.gupta@nxp.com>]

Signed-off-by: Nipun Gupta <nipun.gupta@nxp.com>
---
 doc/api/doxy-api-index.md                          |   1 +
 doc/api/doxy-api.conf                              |   1 +
 drivers/raw/dpaa2_qdma/Makefile                    |   2 +
 drivers/raw/dpaa2_qdma/dpaa2_qdma.c                | 375 +++++++++++++++++++++
 drivers/raw/dpaa2_qdma/dpaa2_qdma.h                |  63 ++++
 drivers/raw/dpaa2_qdma/rte_pmd_dpaa2_qdma.h        | 216 ++++++++++++
 .../raw/dpaa2_qdma/rte_pmd_dpaa2_qdma_version.map  |  12 +
 7 files changed, 670 insertions(+)
 create mode 100644 drivers/raw/dpaa2_qdma/rte_pmd_dpaa2_qdma.h

diff --git a/doc/api/doxy-api-index.md b/doc/api/doxy-api-index.md
index b9f28be..c0b5653 100644
--- a/doc/api/doxy-api-index.md
+++ b/doc/api/doxy-api-index.md
@@ -65,6 +65,7 @@ The public API headers are grouped by topics:
   [dpaa]               (@ref rte_pmd_dpaa.h),
   [dpaa2]              (@ref rte_dpaa2_mempool.h),
   [dpaa2_cmdif]        (@ref rte_pmd_dpaa2_cmdif.h),
+  [dpaa2_qdma]         (@ref rte_pmd_dpaa2_qdma.h),
   [crypto_scheduler]   (@ref rte_cryptodev_scheduler.h)
 
 - **memory**:
diff --git a/doc/api/doxy-api.conf b/doc/api/doxy-api.conf
index 88088d6..0840b34 100644
--- a/doc/api/doxy-api.conf
+++ b/doc/api/doxy-api.conf
@@ -39,6 +39,7 @@ INPUT                   = doc/api/doxy-api-index.md \
                           drivers/net/ixgbe \
                           drivers/net/softnic \
                           drivers/raw/dpaa2_cmdif \
+                          drivers/raw/dpaa2_qdma \
                           lib/librte_eal/common/include \
                           lib/librte_eal/common/include/generic \
                           lib/librte_acl \
diff --git a/drivers/raw/dpaa2_qdma/Makefile b/drivers/raw/dpaa2_qdma/Makefile
index f81ee08..6711df3 100644
--- a/drivers/raw/dpaa2_qdma/Makefile
+++ b/drivers/raw/dpaa2_qdma/Makefile
@@ -31,4 +31,6 @@ LIBABIVER := 1
 #
 SRCS-$(CONFIG_RTE_LIBRTE_PMD_DPAA2_QDMA) += dpaa2_qdma.c
 
+SYMLINK-$(CONFIG_RTE_LIBRTE_PMD_DPAA2_QDMA)-include += rte_pmd_dpaa2_qdma.h
+
 include $(RTE_SDK)/mk/rte.lib.mk
diff --git a/drivers/raw/dpaa2_qdma/dpaa2_qdma.c b/drivers/raw/dpaa2_qdma/dpaa2_qdma.c
index 4b7fa13..b5f6bd9 100644
--- a/drivers/raw/dpaa2_qdma/dpaa2_qdma.c
+++ b/drivers/raw/dpaa2_qdma/dpaa2_qdma.c
@@ -20,6 +20,7 @@
 
 #include "dpaa2_qdma.h"
 #include "dpaa2_qdma_logs.h"
+#include "rte_pmd_dpaa2_qdma.h"
 
 /* Dynamic log type identifier */
 int dpaa2_qdma_logtype;
@@ -32,6 +33,380 @@
 static struct qdma_hw_queue_list qdma_queue_list
 	= TAILQ_HEAD_INITIALIZER(qdma_queue_list);
 
+/* QDMA Virtual Queues */
+struct qdma_virt_queue *qdma_vqs;
+
+/* QDMA per core data */
+struct qdma_per_core_info qdma_core_info[RTE_MAX_LCORE];
+
+static struct qdma_hw_queue *
+alloc_hw_queue(uint32_t lcore_id)
+{
+	struct qdma_hw_queue *queue = NULL;
+
+	DPAA2_QDMA_FUNC_TRACE();
+
+	/* Get a free queue from the list */
+	TAILQ_FOREACH(queue, &qdma_queue_list, next) {
+		if (queue->num_users == 0) {
+			queue->lcore_id = lcore_id;
+			queue->num_users++;
+			break;
+		}
+	}
+
+	return queue;
+}
+
+static void
+free_hw_queue(struct qdma_hw_queue *queue)
+{
+	DPAA2_QDMA_FUNC_TRACE();
+
+	queue->num_users--;
+}
+
+
+static struct qdma_hw_queue *
+get_hw_queue(uint32_t lcore_id)
+{
+	struct qdma_per_core_info *core_info;
+	struct qdma_hw_queue *queue, *temp;
+	uint32_t least_num_users;
+	int num_hw_queues, i;
+
+	DPAA2_QDMA_FUNC_TRACE();
+
+	core_info = &qdma_core_info[lcore_id];
+	num_hw_queues = core_info->num_hw_queues;
+
+	/*
+	 * Allocate a HW queue if there are less queues
+	 * than maximum per core queues configured
+	 */
+	if (num_hw_queues < qdma_dev.max_hw_queues_per_core) {
+		queue = alloc_hw_queue(lcore_id);
+		if (queue) {
+			core_info->hw_queues[num_hw_queues] = queue;
+			core_info->num_hw_queues++;
+			return queue;
+		}
+	}
+
+	queue = core_info->hw_queues[0];
+	/* In case there is no queue associated with the core return NULL */
+	if (!queue)
+		return NULL;
+
+	/* Fetch the least loaded H/W queue */
+	least_num_users = core_info->hw_queues[0]->num_users;
+	for (i = 0; i < num_hw_queues; i++) {
+		temp = core_info->hw_queues[i];
+		if (temp->num_users < least_num_users)
+			queue = temp;
+	}
+
+	if (queue)
+		queue->num_users++;
+
+	return queue;
+}
+
+static void
+put_hw_queue(struct qdma_hw_queue *queue)
+{
+	struct qdma_per_core_info *core_info;
+	int lcore_id, num_hw_queues, i;
+
+	DPAA2_QDMA_FUNC_TRACE();
+
+	/*
+	 * If this is the last user of the queue free it.
+	 * Also remove it from QDMA core info.
+	 */
+	if (queue->num_users == 1) {
+		free_hw_queue(queue);
+
+		/* Remove the physical queue from core info */
+		lcore_id = queue->lcore_id;
+		core_info = &qdma_core_info[lcore_id];
+		num_hw_queues = core_info->num_hw_queues;
+		for (i = 0; i < num_hw_queues; i++) {
+			if (queue == core_info->hw_queues[i])
+				break;
+		}
+		for (; i < num_hw_queues - 1; i++)
+			core_info->hw_queues[i] = core_info->hw_queues[i + 1];
+		core_info->hw_queues[i] = NULL;
+	} else {
+		queue->num_users--;
+	}
+}
+
+int
+rte_qdma_init(void)
+{
+	DPAA2_QDMA_FUNC_TRACE();
+
+	rte_spinlock_init(&qdma_dev.lock);
+
+	return 0;
+}
+
+void
+rte_qdma_attr_get(struct rte_qdma_attr *qdma_attr)
+{
+	DPAA2_QDMA_FUNC_TRACE();
+
+	qdma_attr->num_hw_queues = qdma_dev.num_hw_queues;
+}
+
+int
+rte_qdma_reset(void)
+{
+	struct qdma_hw_queue *queue;
+	int i;
+
+	DPAA2_QDMA_FUNC_TRACE();
+
+	/* In case QDMA device is not in stopped state, return -EBUSY */
+	if (qdma_dev.state == 1) {
+		DPAA2_QDMA_ERR(
+			"Device is in running state. Stop before reset.\n");
+		return -EBUSY;
+	}
+
+	/* In case there are pending jobs on any VQ, return -EBUSY */
+	for (i = 0; i < qdma_dev.max_vqs; i++) {
+		if (qdma_vqs[i].in_use && (qdma_vqs[i].num_enqueues !=
+		    qdma_vqs[i].num_dequeues))
+			DPAA2_QDMA_ERR("Jobs are still pending on VQ: %d\n", i);
+			return -EBUSY;
+	}
+
+	/* Reset HW queues */
+	TAILQ_FOREACH(queue, &qdma_queue_list, next)
+		queue->num_users = 0;
+
+	/* Reset and free virtual queues */
+	for (i = 0; i < qdma_dev.max_vqs; i++) {
+		if (qdma_vqs[i].status_ring)
+			rte_ring_free(qdma_vqs[i].status_ring);
+	}
+	if (qdma_vqs)
+		rte_free(qdma_vqs);
+	qdma_vqs = NULL;
+
+	/* Reset per core info */
+	memset(&qdma_core_info, 0,
+		sizeof(struct qdma_per_core_info) * RTE_MAX_LCORE);
+
+	/* Free the FLE pool */
+	if (qdma_dev.fle_pool)
+		rte_mempool_free(qdma_dev.fle_pool);
+
+	/* Reset QDMA device structure */
+	qdma_dev.mode = RTE_QDMA_MODE_HW;
+	qdma_dev.max_hw_queues_per_core = 0;
+	qdma_dev.fle_pool = NULL;
+	qdma_dev.fle_pool_count = 0;
+	qdma_dev.max_vqs = 0;
+
+	return 0;
+}
+
+int
+rte_qdma_configure(struct rte_qdma_config *qdma_config)
+{
+	int ret;
+
+	DPAA2_QDMA_FUNC_TRACE();
+
+	/* In case QDMA device is not in stopped state, return -EBUSY */
+	if (qdma_dev.state == 1) {
+		DPAA2_QDMA_ERR(
+			"Device is in running state. Stop before config.\n");
+		return -1;
+	}
+
+	/* Reset the QDMA device */
+	ret = rte_qdma_reset();
+	if (ret) {
+		DPAA2_QDMA_ERR("Resetting QDMA failed\n");
+		return ret;
+	}
+
+	/* Set mode */
+	qdma_dev.mode = qdma_config->mode;
+
+	/* Set max HW queue per core */
+	if (qdma_config->max_hw_queues_per_core > MAX_HW_QUEUE_PER_CORE) {
+		DPAA2_QDMA_ERR("H/W queues per core is more than: %d\n",
+			       MAX_HW_QUEUE_PER_CORE);
+		return -EINVAL;
+	}
+	qdma_dev.max_hw_queues_per_core =
+		qdma_config->max_hw_queues_per_core;
+
+	/* Allocate Virtual Queues */
+	qdma_vqs = rte_malloc("qdma_virtual_queues",
+			(sizeof(struct qdma_virt_queue) * qdma_config->max_vqs),
+			RTE_CACHE_LINE_SIZE);
+	if (!qdma_vqs) {
+		DPAA2_QDMA_ERR("qdma_virtual_queues allocation failed\n");
+		return -ENOMEM;
+	}
+	qdma_dev.max_vqs = qdma_config->max_vqs;
+
+	/* Allocate FLE pool */
+	qdma_dev.fle_pool = rte_mempool_create("qdma_fle_pool",
+			qdma_config->fle_pool_count, QDMA_FLE_POOL_SIZE,
+			QDMA_FLE_CACHE_SIZE(qdma_config->fle_pool_count), 0,
+			NULL, NULL, NULL, NULL, SOCKET_ID_ANY, 0);
+	if (!qdma_dev.fle_pool) {
+		DPAA2_QDMA_ERR("qdma_fle_pool create failed\n");
+		rte_free(qdma_vqs);
+		qdma_vqs = NULL;
+		return -ENOMEM;
+	}
+	qdma_dev.fle_pool_count = qdma_config->fle_pool_count;
+
+	return 0;
+}
+
+int
+rte_qdma_start(void)
+{
+	DPAA2_QDMA_FUNC_TRACE();
+
+	qdma_dev.state = 1;
+
+	return 0;
+}
+
+int
+rte_qdma_vq_create(uint32_t lcore_id, uint32_t flags)
+{
+	char ring_name[32];
+	int i;
+
+	DPAA2_QDMA_FUNC_TRACE();
+
+	rte_spinlock_lock(&qdma_dev.lock);
+
+	/* Get a free Virtual Queue */
+	for (i = 0; i < qdma_dev.max_vqs; i++) {
+		if (qdma_vqs[i].in_use == 0)
+			break;
+	}
+
+	/* Return in case no VQ is free */
+	if (i == qdma_dev.max_vqs) {
+		rte_spinlock_unlock(&qdma_dev.lock);
+		return -ENODEV;
+	}
+
+	if (qdma_dev.mode == RTE_QDMA_MODE_HW ||
+			(flags & RTE_QDMA_VQ_EXCLUSIVE_PQ)) {
+		/* Allocate HW queue for a VQ */
+		qdma_vqs[i].hw_queue = alloc_hw_queue(lcore_id);
+		qdma_vqs[i].exclusive_hw_queue = 1;
+	} else {
+		/* Allocate a Ring for Virutal Queue in VQ mode */
+		sprintf(ring_name, "status ring %d", i);
+		qdma_vqs[i].status_ring = rte_ring_create(ring_name,
+			qdma_dev.fle_pool_count, rte_socket_id(), 0);
+		if (!qdma_vqs[i].status_ring) {
+			DPAA2_QDMA_ERR("Status ring creation failed for vq\n");
+			rte_spinlock_unlock(&qdma_dev.lock);
+			return rte_errno;
+		}
+
+		/* Get a HW queue (shared) for a VQ */
+		qdma_vqs[i].hw_queue = get_hw_queue(lcore_id);
+		qdma_vqs[i].exclusive_hw_queue = 0;
+	}
+
+	if (qdma_vqs[i].hw_queue == NULL) {
+		DPAA2_QDMA_ERR("No H/W queue available for VQ\n");
+		if (qdma_vqs[i].status_ring)
+			rte_ring_free(qdma_vqs[i].status_ring);
+		qdma_vqs[i].status_ring = NULL;
+		rte_spinlock_unlock(&qdma_dev.lock);
+		return -ENODEV;
+	}
+
+	qdma_vqs[i].in_use = 1;
+	qdma_vqs[i].lcore_id = lcore_id;
+
+	rte_spinlock_unlock(&qdma_dev.lock);
+
+	return i;
+}
+
+void
+rte_qdma_vq_stats(uint16_t vq_id,
+		  struct rte_qdma_vq_stats *vq_status)
+{
+	struct qdma_virt_queue *qdma_vq = &qdma_vqs[vq_id];
+
+	DPAA2_QDMA_FUNC_TRACE();
+
+	if (qdma_vq->in_use) {
+		vq_status->exclusive_hw_queue = qdma_vq->exclusive_hw_queue;
+		vq_status->lcore_id = qdma_vq->lcore_id;
+		vq_status->num_enqueues = qdma_vq->num_enqueues;
+		vq_status->num_dequeues = qdma_vq->num_dequeues;
+		vq_status->num_pending_jobs = vq_status->num_enqueues -
+				vq_status->num_dequeues;
+	}
+}
+
+int
+rte_qdma_vq_destroy(uint16_t vq_id)
+{
+	struct qdma_virt_queue *qdma_vq = &qdma_vqs[vq_id];
+
+	DPAA2_QDMA_FUNC_TRACE();
+
+	/* In case there are pending jobs on any VQ, return -EBUSY */
+	if (qdma_vq->num_enqueues != qdma_vq->num_dequeues)
+		return -EBUSY;
+
+	rte_spinlock_lock(&qdma_dev.lock);
+
+	if (qdma_vq->exclusive_hw_queue)
+		free_hw_queue(qdma_vq->hw_queue);
+	else {
+		if (qdma_vqs->status_ring)
+			rte_ring_free(qdma_vqs->status_ring);
+
+		put_hw_queue(qdma_vq->hw_queue);
+	}
+
+	memset(qdma_vq, 0, sizeof(struct qdma_virt_queue));
+
+	rte_spinlock_lock(&qdma_dev.lock);
+
+	return 0;
+}
+
+void
+rte_qdma_stop(void)
+{
+	DPAA2_QDMA_FUNC_TRACE();
+
+	qdma_dev.state = 0;
+}
+
+void
+rte_qdma_destroy(void)
+{
+	DPAA2_QDMA_FUNC_TRACE();
+
+	rte_qdma_reset();
+}
+
 static const struct rte_rawdev_ops dpaa2_qdma_ops = {
 };
 
diff --git a/drivers/raw/dpaa2_qdma/dpaa2_qdma.h b/drivers/raw/dpaa2_qdma/dpaa2_qdma.h
index 8b3b1b9..fe1da41 100644
--- a/drivers/raw/dpaa2_qdma/dpaa2_qdma.h
+++ b/drivers/raw/dpaa2_qdma/dpaa2_qdma.h
@@ -5,6 +5,22 @@
 #ifndef __DPAA2_QDMA_H__
 #define __DPAA2_QDMA_H__
 
+struct qdma_sdd;
+struct qdma_io_meta;
+
+#define DPAA2_QDMA_MAX_FLE 3
+#define DPAA2_QDMA_MAX_SDD 2
+
+/** FLE pool size: 3 Frame list + 2 source/destination descriptor */
+#define QDMA_FLE_POOL_SIZE (sizeof(struct qdma_io_meta) + \
+		sizeof(struct qbman_fle) * DPAA2_QDMA_MAX_FLE + \
+		sizeof(struct qdma_sdd) * DPAA2_QDMA_MAX_SDD)
+/** FLE pool cache size */
+#define QDMA_FLE_CACHE_SIZE(_num) (_num/(RTE_MAX_LCORE * 2))
+
+/** Maximum possible H/W Queues on each core */
+#define MAX_HW_QUEUE_PER_CORE		64
+
 /**
  * Represents a QDMA device.
  * A single QDMA device exists which is combination of multiple DPDMAI rawdev's.
@@ -45,6 +61,53 @@ struct qdma_hw_queue {
 	uint32_t num_users;
 };
 
+/** Represents a QDMA virtual queue */
+struct qdma_virt_queue {
+	/** Status ring of the virtual queue */
+	struct rte_ring *status_ring;
+	/** Associated hw queue */
+	struct qdma_hw_queue *hw_queue;
+	/** Associated lcore id */
+	uint32_t lcore_id;
+	/** States if this vq is in use or not */
+	uint8_t in_use;
+	/** States if this vq has exclusively associated hw queue */
+	uint8_t exclusive_hw_queue;
+	/* Total number of enqueues on this VQ */
+	uint64_t num_enqueues;
+	/* Total number of dequeues from this VQ */
+	uint64_t num_dequeues;
+};
+
+/** Represents a QDMA per core hw queues allocation in virtual mode */
+struct qdma_per_core_info {
+	/** list for allocated hw queues */
+	struct qdma_hw_queue *hw_queues[MAX_HW_QUEUE_PER_CORE];
+	/* Number of hw queues allocated for this core */
+	uint16_t num_hw_queues;
+};
+
+/** Metadata which is stored with each operation */
+struct qdma_io_meta {
+	/**
+	 * Context which is stored in the FLE pool (just before the FLE).
+	 * QDMA job is stored as a this context as a part of metadata.
+	 */
+	uint64_t cnxt;
+	/** VQ ID is stored as a part of metadata of the enqueue command */
+	 uint64_t id;
+};
+
+/** Source/Destination Descriptor */
+struct qdma_sdd {
+	uint32_t rsv;
+	/** Stride configuration */
+	uint32_t stride;
+	/** Route-by-port command */
+	uint32_t rbpcmd;
+	uint32_t cmd;
+} __attribute__((__packed__));
+
 /** Represents a DPDMAI raw device */
 struct dpaa2_dpdmai_dev {
 	/** Pointer to Next device instance */
diff --git a/drivers/raw/dpaa2_qdma/rte_pmd_dpaa2_qdma.h b/drivers/raw/dpaa2_qdma/rte_pmd_dpaa2_qdma.h
new file mode 100644
index 0000000..d27fd49
--- /dev/null
+++ b/drivers/raw/dpaa2_qdma/rte_pmd_dpaa2_qdma.h
@@ -0,0 +1,216 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright 2018 NXP
+ */
+
+#ifndef __RTE_PMD_DPAA2_QDMA_H__
+#define __RTE_PMD_DPAA2_QDMA_H__
+
+/**
+ * @file
+ *
+ * NXP dpaa2 QDMA specific structures.
+ *
+ */
+
+/** Determines the mode of operation */
+enum {
+	/**
+	 * Allocate a H/W queue per VQ i.e. Exclusive hardware queue for a VQ.
+	 * This mode will have best performance.
+	 */
+	RTE_QDMA_MODE_HW,
+	/**
+	 * A VQ shall not have an exclusive associated H/W queue.
+	 * Rather a H/W Queue will be shared by multiple Virtual Queues.
+	 * This mode will have intermediate data structures to support
+	 * multi VQ to PQ mappings thus having some performance implications.
+	 * Note: Even in this mode there is an option to allocate a H/W
+	 * queue for a VQ. Please see 'RTE_QDMA_VQ_EXCLUSIVE_PQ' flag.
+	 */
+	RTE_QDMA_MODE_VIRTUAL
+};
+
+/**
+ * If user has configued a Virtual Queue mode, but for some particular VQ
+ * user needs an exclusive H/W queue associated (for better performance
+ * on that particular VQ), then user can pass this flag while creating the
+ * Virtual Queue. A H/W queue will be allocated corresponding to
+ * VQ which uses this flag.
+ */
+#define RTE_QDMA_VQ_EXCLUSIVE_PQ	(1ULL)
+
+/** States if the source addresses is physical. */
+#define RTE_QDMA_JOB_SRC_PHY		(1ULL)
+
+/** States if the destination addresses is physical. */
+#define RTE_QDMA_JOB_DEST_PHY		(1ULL << 1)
+
+/** Provides QDMA device attributes */
+struct rte_qdma_attr {
+	/** total number of hw QDMA queues present */
+	uint16_t num_hw_queues;
+};
+
+/** QDMA device configuration structure */
+struct rte_qdma_config {
+	/** Number of maximum hw queues to allocate per core. */
+	uint16_t max_hw_queues_per_core;
+	/** Maximum number of VQ's to be used. */
+	uint16_t max_vqs;
+	/** mode of operation - physical(h/w) or virtual */
+	uint8_t mode;
+	/**
+	 * User provides this as input to the driver as a size of the FLE pool.
+	 * FLE's (and corresponding source/destination descriptors) are
+	 * allocated by the driver at enqueue time to store src/dest and
+	 * other data and are freed at the dequeue time. This determines the
+	 * maximum number of inflight jobs on the QDMA device. This should
+	 * be power of 2.
+	 */
+	int fle_pool_count;
+};
+
+/** Provides QDMA device statistics */
+struct rte_qdma_vq_stats {
+	/** States if this vq has exclusively associated hw queue */
+	uint8_t exclusive_hw_queue;
+	/** Associated lcore id */
+	uint32_t lcore_id;
+	/* Total number of enqueues on this VQ */
+	uint64_t num_enqueues;
+	/* Total number of dequeues from this VQ */
+	uint64_t num_dequeues;
+	/* total number of pending jobs in this VQ */
+	uint64_t num_pending_jobs;
+};
+
+/** Determines a QDMA job */
+struct rte_qdma_job {
+	/** Source Address from where DMA is (to be) performed */
+	uint64_t src;
+	/** Destination Address where DMA is (to be) done */
+	uint64_t dest;
+	/** Length of the DMA operation in bytes. */
+	uint32_t len;
+	/** See RTE_QDMA_JOB_ flags */
+	uint32_t flags;
+	/**
+	 * User can specify a context which will be maintained
+	 * on the dequeue operation.
+	 */
+	uint64_t cnxt;
+	/**
+	 * Status of the transaction.
+	 * This is filled in the dequeue operation by the driver.
+	 */
+	uint8_t status;
+};
+
+/**
+ * Initialize the QDMA device.
+ *
+ * @returns
+ *   - 0: Success.
+ *   - <0: Error code.
+ */
+int
+rte_qdma_init(void);
+
+/**
+ * Get the QDMA attributes.
+ *
+ * @param qdma_attr
+ *   QDMA attributes providing total number of hw queues etc.
+ */
+void
+rte_qdma_attr_get(struct rte_qdma_attr *qdma_attr);
+
+/**
+ * Reset the QDMA device. This API will completely reset the QDMA
+ * device, bringing it to original state as if only rte_qdma_init() API
+ * has been called.
+ *
+ * @returns
+ *   - 0: Success.
+ *   - <0: Error code.
+ */
+int
+rte_qdma_reset(void);
+
+/**
+ * Configure the QDMA device.
+ *
+ * @returns
+ *   - 0: Success.
+ *   - <0: Error code.
+ */
+int
+rte_qdma_configure(struct rte_qdma_config *qdma_config);
+
+/**
+ * Start the QDMA device.
+ *
+ * @returns
+ *   - 0: Success.
+ *   - <0: Error code.
+ */
+int
+rte_qdma_start(void);
+
+/**
+ * Create a Virtual Queue on a particular lcore id.
+ * This API can be called from any thread/core. User can create/destroy
+ * VQ's at runtime.
+ *
+ * @param lcore_id
+ *   LCORE ID on which this particular queue would be associated with.
+ * @param flags
+ *  RTE_QDMA_VQ_ flags. See macro definitions.
+ *
+ * @returns
+ *   - >= 0: Virtual queue ID.
+ *   - <0: Error code.
+ */
+int
+rte_qdma_vq_create(uint32_t lcore_id, uint32_t flags);
+
+/**
+ * Get a Virtual Queue statistics.
+ *
+ * @param vq_id
+ *   Virtual Queue ID.
+ * @param vq_stats
+ *   VQ statistics structure which will be filled in by the driver.
+ */
+void
+rte_qdma_vq_stats(uint16_t vq_id,
+		  struct rte_qdma_vq_stats *vq_stats);
+
+/**
+ * Destroy the Virtual Queue specified by vq_id.
+ * This API can be called from any thread/core. User can create/destroy
+ * VQ's at runtime.
+ *
+ * @param vq_id
+ *   Virtual Queue ID which needs to be deinialized.
+ *
+ * @returns
+ *   - 0: Success.
+ *   - <0: Error code.
+ */
+int
+rte_qdma_vq_destroy(uint16_t vq_id);
+
+/**
+ * Stop QDMA device.
+ */
+void
+rte_qdma_stop(void);
+
+/**
+ * Destroy the QDMA device.
+ */
+void
+rte_qdma_destroy(void);
+
+#endif /* __RTE_PMD_DPAA2_QDMA_H__*/
diff --git a/drivers/raw/dpaa2_qdma/rte_pmd_dpaa2_qdma_version.map b/drivers/raw/dpaa2_qdma/rte_pmd_dpaa2_qdma_version.map
index 9b9ab1a..0a0d3c5 100644
--- a/drivers/raw/dpaa2_qdma/rte_pmd_dpaa2_qdma_version.map
+++ b/drivers/raw/dpaa2_qdma/rte_pmd_dpaa2_qdma_version.map
@@ -1,4 +1,16 @@
 DPDK_18.05 {
+	global:
+
+	rte_qdma_attr_get;
+	rte_qdma_configure;
+	rte_qdma_destroy;
+	rte_qdma_init;
+	rte_qdma_reset;
+	rte_qdma_start;
+	rte_qdma_stop;
+	rte_qdma_vq_create;
+	rte_qdma_vq_destroy;
+	rte_qdma_vq_stats;
 
 	local: *;
 };
-- 
1.9.1