[PATCHv2 15/34] drivers/common/dpaa2: dpio object driver

[Hemant Agrawal <hemant.agrawal@nxp.com>]

The DPIO driver is bound to DPIO objects discovered on the fsl-mc bus and
provides services that:
- allow other drivers, such as the Ethernet driver, to enqueue and dequeue
  frames for their respective objects

A system will typically allocate 1 DPIO object per CPU to allow queuing
operations to happen simultaneously across all CPUs.

Signed-off-by: Hemant Agrawal <hemant.agrawal@nxp.com>
---
 drivers/bus/fslmc/Makefile                         |   2 +
 drivers/bus/fslmc/fslmc_vfio.c                     |  21 +-
 drivers/common/Makefile                            |   4 +
 drivers/common/dpaa2/Makefile                      |   1 +
 drivers/common/dpaa2/dpio/Makefile                 |  64 ++++
 drivers/common/dpaa2/dpio/dpaa2_hw_dpio.c          | 364 +++++++++++++++++++++
 drivers/common/dpaa2/dpio/dpaa2_hw_dpio.h          |  64 ++++
 drivers/common/dpaa2/dpio/dpaa2_hw_pvt.h           |  68 ++++
 .../dpaa2/dpio/rte_pmd_dpaa2_dpio_version.map      |   8 +
 mk/rte.app.mk                                      |   1 +
 10 files changed, 594 insertions(+), 3 deletions(-)
 create mode 100644 drivers/common/dpaa2/dpio/Makefile
 create mode 100644 drivers/common/dpaa2/dpio/dpaa2_hw_dpio.c
 create mode 100644 drivers/common/dpaa2/dpio/dpaa2_hw_dpio.h
 create mode 100644 drivers/common/dpaa2/dpio/dpaa2_hw_pvt.h
 create mode 100644 drivers/common/dpaa2/dpio/rte_pmd_dpaa2_dpio_version.map

diff --git a/drivers/bus/fslmc/Makefile b/drivers/bus/fslmc/Makefile
index a8b1666..cc6d7c2 100644
--- a/drivers/bus/fslmc/Makefile
+++ b/drivers/bus/fslmc/Makefile
@@ -46,6 +46,8 @@ CFLAGS += "-Wno-strict-aliasing"
 
 CFLAGS += -I$(RTE_SDK)/drivers/bus/fslmc
 CFLAGS += -I$(RTE_SDK)/drivers/bus/fslmc/mc
+CFLAGS += -I$(RTE_SDK)/drivers/common/dpaa2/qbman/include
+CFLAGS += -I$(RTE_SDK)/drivers/common/dpaa2/dpio
 CFLAGS += -I$(RTE_SDK)/lib/librte_eal/linuxapp/eal
 
 # versioning export map
diff --git a/drivers/bus/fslmc/fslmc_vfio.c b/drivers/bus/fslmc/fslmc_vfio.c
index 7739493..1c80bf9 100644
--- a/drivers/bus/fslmc/fslmc_vfio.c
+++ b/drivers/bus/fslmc/fslmc_vfio.c
@@ -61,6 +61,9 @@
 #include "rte_fslmc.h"
 #include "fslmc_vfio.h"
 
+#include "dpaa2_hw_pvt.h"
+#include "dpaa2_hw_dpio.h"
+
 #define VFIO_MAX_CONTAINERS	1
 
 #define FSLMC_VFIO_LOG(level, fmt, args...) \
@@ -224,7 +227,7 @@ static int64_t vfio_map_mcp_obj(struct fslmc_vfio_group *group, char *mcp_obj)
 }
 
 static void
-dpaa2_bus_add_device(struct rte_bus *bus, struct rte_dpaa2_device *dev)
+fslmc_bus_add_device(struct rte_bus *bus, struct rte_dpaa2_device *dev)
 {
 	/* device is valid, add in list (sorted) */
 	if (TAILQ_EMPTY(&bus->device_list)) {
@@ -261,12 +264,13 @@ int fslmc_vfio_process_group(struct rte_bus *bus)
 	struct fslmc_vfio_device *vdev;
 	struct vfio_device_info device_info = { .argsz = sizeof(device_info) };
 	char *temp_obj, *object_type, *mcp_obj, *dev_name;
-	int32_t object_id, i, dev_fd;
+	int32_t object_id, i, dev_fd, ret;
 	DIR *d;
 	struct dirent *dir;
 	char path[PATH_MAX];
 	int64_t v_addr;
 	int ndev_count;
+	int dpio_count = 0;
 	struct fslmc_vfio_group *group = &vfio_groups[0];
 	static int process_once;
 
@@ -407,11 +411,22 @@ int fslmc_vfio_process_group(struct rte_bus *bus)
 			FSLMC_VFIO_LOG(DEBUG, "DPAA2: Added [%s-%d]\n",
 				      object_type, object_id);
 
-			dpaa2_bus_add_device(bus, dev);
+			fslmc_bus_add_device(bus, dev);
+		}
+		if (!strcmp(object_type, "dpio")) {
+			ret = dpaa2_create_dpio_device(vdev,
+						       &device_info,
+						       object_id);
+			if (!ret)
+				dpio_count++;
 		}
 	}
 	closedir(d);
 
+	ret = dpaa2_affine_qbman_swp();
+	if (ret)
+		FSLMC_VFIO_LOG(DEBUG, "Error in affining qbman swp %d", ret);
+
 	return 0;
 
 FAILURE:
diff --git a/drivers/common/Makefile b/drivers/common/Makefile
index 76ec2d1..434280f 100644
--- a/drivers/common/Makefile
+++ b/drivers/common/Makefile
@@ -33,6 +33,10 @@ include $(RTE_SDK)/mk/rte.vars.mk
 
 CONFIG_RTE_LIBRTE_DPAA2_COMMON = $(CONFIG_RTE_LIBRTE_DPAA2_PMD)
 
+ifneq ($(CONFIG_RTE_LIBRTE_DPAA2_COMMON),y)
+CONFIG_RTE_LIBRTE_DPAA2_COMMON = $(CONFIG_RTE_LIBRTE_FSLMC_BUS)
+endif
+
 DIRS-$(CONFIG_RTE_LIBRTE_DPAA2_COMMON) += dpaa2
 
 include $(RTE_SDK)/mk/rte.subdir.mk
diff --git a/drivers/common/dpaa2/Makefile b/drivers/common/dpaa2/Makefile
index 4960ebe..4ccaf26 100644
--- a/drivers/common/dpaa2/Makefile
+++ b/drivers/common/dpaa2/Makefile
@@ -32,5 +32,6 @@
 include $(RTE_SDK)/mk/rte.vars.mk
 
 DIRS-$(CONFIG_RTE_LIBRTE_DPAA2_COMMON) += qbman
+DIRS-$(CONFIG_RTE_LIBRTE_DPAA2_COMMON) += dpio
 
 include $(RTE_SDK)/mk/rte.subdir.mk
diff --git a/drivers/common/dpaa2/dpio/Makefile b/drivers/common/dpaa2/dpio/Makefile
new file mode 100644
index 0000000..762597f
--- /dev/null
+++ b/drivers/common/dpaa2/dpio/Makefile
@@ -0,0 +1,64 @@
+#   BSD LICENSE
+#
+#   Copyright(c) 2016 NXP. All rights reserved.
+#   All rights reserved.
+#
+#   Redistribution and use in source and binary forms, with or without
+#   modification, are permitted provided that the following conditions
+#   are met:
+#
+#     * Redistributions of source code must retain the above copyright
+#       notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above copyright
+#       notice, this list of conditions and the following disclaimer in
+#       the documentation and/or other materials provided with the
+#       distribution.
+#     * Neither the name of NXP nor the names of its
+#       contributors may be used to endorse or promote products derived
+#       from this software without specific prior written permission.
+#
+#   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+#   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+#   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+#   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+#   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+#   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+#   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+#   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+#   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+#   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+#   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+include $(RTE_SDK)/mk/rte.vars.mk
+
+#
+# library name
+#
+LIB = librte_pmd_dpaa2_dpio.a
+
+ifeq ($(CONFIG_RTE_LIBRTE_DPAA2_DEBUG_INIT),y)
+CFLAGS += -O0 -g
+CFLAGS += "-Wno-error"
+else
+CFLAGS += -O3
+CFLAGS += $(WERROR_FLAGS)
+endif
+
+CFLAGS += -I$(RTE_SDK)/drivers/bus/fslmc
+CFLAGS += -I$(RTE_SDK)/drivers/common/dpaa2/qbman/include
+CFLAGS += -I$(RTE_SDK)/lib/librte_eal/linuxapp/eal
+
+# versioning export map
+EXPORT_MAP := rte_pmd_dpaa2_dpio_version.map
+
+# library version
+LIBABIVER := 1
+
+# all source are stored in SRCS-y
+#
+SRCS-$(CONFIG_RTE_LIBRTE_DPAA2_COMMON) += dpaa2_hw_dpio.c
+
+# library dependencies
+DEPDIRS-y += lib/librte_eal
+
+include $(RTE_SDK)/mk/rte.lib.mk
diff --git a/drivers/common/dpaa2/dpio/dpaa2_hw_dpio.c b/drivers/common/dpaa2/dpio/dpaa2_hw_dpio.c
new file mode 100644
index 0000000..011bd9f
--- /dev/null
+++ b/drivers/common/dpaa2/dpio/dpaa2_hw_dpio.c
@@ -0,0 +1,364 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright (c) 2016 Freescale Semiconductor, Inc. All rights reserved.
+ *   Copyright (c) 2016 NXP. All rights reserved.
+ *
+ *   Redistribution and use in source and binary forms, with or without
+ *   modification, are permitted provided that the following conditions
+ *   are met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in
+ *       the documentation and/or other materials provided with the
+ *       distribution.
+ *     * Neither the name of Freescale Semiconductor, Inc nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <unistd.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <stdarg.h>
+#include <inttypes.h>
+#include <signal.h>
+#include <pthread.h>
+#include <sys/types.h>
+#include <sys/queue.h>
+#include <sys/ioctl.h>
+#include <sys/stat.h>
+#include <sys/mman.h>
+#include <sys/syscall.h>
+
+#include <rte_mbuf.h>
+#include <rte_ethdev.h>
+#include <rte_malloc.h>
+#include <rte_memcpy.h>
+#include <rte_string_fns.h>
+#include <rte_cycles.h>
+#include <rte_kvargs.h>
+#include <rte_dev.h>
+#include <rte_ethdev.h>
+
+#include <fslmc_logs.h>
+#include <fslmc_vfio.h>
+#include "dpaa2_hw_pvt.h"
+#include "dpaa2_hw_dpio.h"
+
+#define NUM_HOST_CPUS RTE_MAX_LCORE
+
+struct dpaa2_io_portal_t dpaa2_io_portal[RTE_MAX_LCORE];
+RTE_DEFINE_PER_LCORE(struct dpaa2_io_portal_t, _dpaa2_io);
+
+TAILQ_HEAD(dpio_device_list, dpaa2_dpio_dev);
+static struct dpio_device_list *dpio_dev_list; /*!< DPIO device list */
+static uint32_t io_space_count;
+
+/*Stashing Macros default for LS208x*/
+static int dpaa2_core_cluster_base = 0x04;
+static int dpaa2_cluster_sz = 2;
+
+/* For LS208X platform There are four clusters with following mapping:
+ * Cluster 1 (ID = x04) : CPU0, CPU1;
+ * Cluster 2 (ID = x05) : CPU2, CPU3;
+ * Cluster 3 (ID = x06) : CPU4, CPU5;
+ * Cluster 4 (ID = x07) : CPU6, CPU7;
+ */
+/* For LS108X platform There are two clusters with following mapping:
+ * Cluster 1 (ID = x02) : CPU0, CPU1, CPU2, CPU3;
+ * Cluster 2 (ID = x03) : CPU4, CPU5, CPU6, CPU7;
+ */
+
+/* Set the STASH Destination depending on Current CPU ID.
+ * e.g. Valid values of SDEST are 4,5,6,7. Where,
+ * CPU 0-1 will have SDEST 4
+ * CPU 2-3 will have SDEST 5.....and so on.
+ */
+static int
+dpaa2_core_cluster_sdest(int cpu_id)
+{
+	int x = cpu_id / dpaa2_cluster_sz;
+
+	if (x > 3)
+		x = 3;
+
+	return dpaa2_core_cluster_base + x;
+}
+
+static int
+configure_dpio_qbman_swp(struct dpaa2_dpio_dev *dpio_dev)
+{
+	struct qbman_swp_desc p_des;
+	struct dpio_attr attr;
+
+	dpio_dev->dpio = malloc(sizeof(struct fsl_mc_io));
+	if (!dpio_dev->dpio) {
+		PMD_INIT_LOG(ERR, "Memory allocation failure\n");
+		return -1;
+	}
+
+	PMD_DRV_LOG(DEBUG, "\t Allocated  DPIO Portal[%p]", dpio_dev->dpio);
+	dpio_dev->dpio->regs = dpio_dev->mc_portal;
+	if (dpio_open(dpio_dev->dpio, CMD_PRI_LOW, dpio_dev->hw_id,
+		      &dpio_dev->token)) {
+		PMD_INIT_LOG(ERR, "Failed to allocate IO space\n");
+		free(dpio_dev->dpio);
+		return -1;
+	}
+
+	if (dpio_reset(dpio_dev->dpio, CMD_PRI_LOW, dpio_dev->token)) {
+		PMD_INIT_LOG(ERR, "Failed to reset dpio\n");
+		dpio_close(dpio_dev->dpio, CMD_PRI_LOW, dpio_dev->token);
+		free(dpio_dev->dpio);
+		return -1;
+	}
+
+	if (dpio_enable(dpio_dev->dpio, CMD_PRI_LOW, dpio_dev->token)) {
+		PMD_INIT_LOG(ERR, "Failed to Enable dpio\n");
+		dpio_close(dpio_dev->dpio, CMD_PRI_LOW, dpio_dev->token);
+		free(dpio_dev->dpio);
+		return -1;
+	}
+
+	if (dpio_get_attributes(dpio_dev->dpio, CMD_PRI_LOW,
+				dpio_dev->token, &attr)) {
+		PMD_INIT_LOG(ERR, "DPIO Get attribute failed\n");
+		dpio_disable(dpio_dev->dpio, CMD_PRI_LOW, dpio_dev->token);
+		dpio_close(dpio_dev->dpio, CMD_PRI_LOW,  dpio_dev->token);
+		free(dpio_dev->dpio);
+		return -1;
+	}
+
+	PMD_INIT_LOG(DEBUG, "Qbman Portal ID %d", attr.qbman_portal_id);
+	PMD_INIT_LOG(DEBUG, "Portal CE adr 0x%lX", attr.qbman_portal_ce_offset);
+	PMD_INIT_LOG(DEBUG, "Portal CI adr 0x%lX", attr.qbman_portal_ci_offset);
+
+	/* Configure & setup SW portal */
+	p_des.block = NULL;
+	p_des.idx = attr.qbman_portal_id;
+	p_des.cena_bar = (void *)(dpio_dev->qbman_portal_ce_paddr);
+	p_des.cinh_bar = (void *)(dpio_dev->qbman_portal_ci_paddr);
+	p_des.irq = -1;
+	p_des.qman_version = attr.qbman_version;
+
+	dpio_dev->sw_portal = qbman_swp_init(&p_des);
+	if (dpio_dev->sw_portal == NULL) {
+		PMD_DRV_LOG(ERR, " QBMan SW Portal Init failed\n");
+		dpio_close(dpio_dev->dpio, CMD_PRI_LOW, dpio_dev->token);
+		free(dpio_dev->dpio);
+		return -1;
+	}
+
+	PMD_INIT_LOG(DEBUG, "QBMan SW Portal 0x%p\n", dpio_dev->sw_portal);
+
+	return 0;
+}
+
+static int
+dpaa2_configure_stashing(struct dpaa2_dpio_dev *dpio_dev)
+{
+	int sdest;
+	int cpu_id, ret;
+
+	/* Set the Stashing Destination */
+	cpu_id = rte_lcore_id();
+	if (cpu_id < 0) {
+		cpu_id = rte_get_master_lcore();
+		if (cpu_id < 0) {
+			RTE_LOG(ERR, PMD, "\tGetting CPU Index failed\n");
+			return -1;
+		}
+	}
+	/* Set the STASH Destination depending on Current CPU ID.
+	 * Valid values of SDEST are 4,5,6,7. Where,
+	 * CPU 0-1 will have SDEST 4
+	 * CPU 2-3 will have SDEST 5.....and so on.
+	 */
+
+	sdest = dpaa2_core_cluster_sdest(cpu_id);
+	PMD_DRV_LOG(DEBUG, "Portal= %d  CPU= %u SDEST= %d",
+		    dpio_dev->index, cpu_id, sdest);
+
+	ret = dpio_set_stashing_destination(dpio_dev->dpio, CMD_PRI_LOW,
+					    dpio_dev->token, sdest);
+	if (ret) {
+		PMD_DRV_LOG(ERR, "%d ERROR in SDEST\n",  ret);
+		return -1;
+	}
+
+	return 0;
+}
+
+static inline struct dpaa2_dpio_dev *dpaa2_get_qbman_swp(void)
+{
+	struct dpaa2_dpio_dev *dpio_dev = NULL;
+	int ret;
+
+	/* Get DPIO dev handle from list using index */
+	TAILQ_FOREACH(dpio_dev, dpio_dev_list, next) {
+		if (dpio_dev && rte_atomic16_test_and_set(&dpio_dev->ref_count))
+			break;
+	}
+	if (!dpio_dev)
+		return NULL;
+
+	PMD_DRV_LOG(DEBUG, "New Portal=0x%x (%d) affined thread - %lu",
+		    dpio_dev, dpio_dev->index, syscall(SYS_gettid));
+
+	ret = dpaa2_configure_stashing(dpio_dev);
+	if (ret)
+		PMD_DRV_LOG(ERR, "dpaa2_configure_stashing failed");
+
+	return dpio_dev;
+}
+
+int
+dpaa2_affine_qbman_swp(void)
+{
+	unsigned int lcore_id = rte_lcore_id();
+	uint64_t tid = syscall(SYS_gettid);
+
+	if (lcore_id == LCORE_ID_ANY)
+		lcore_id = rte_get_master_lcore();
+	/* if the core id is not supported */
+	else if (lcore_id >= RTE_MAX_LCORE)
+		return -1;
+
+	if (dpaa2_io_portal[lcore_id].dpio_dev) {
+		PMD_DRV_LOG(INFO, "DPAA Portal=0x%x (%d) is being shared"
+			    " between thread %lu and current  %lu",
+			    dpaa2_io_portal[lcore_id].dpio_dev,
+			    dpaa2_io_portal[lcore_id].dpio_dev->index,
+			    dpaa2_io_portal[lcore_id].net_tid,
+			    tid);
+		RTE_PER_LCORE(_dpaa2_io).dpio_dev
+			= dpaa2_io_portal[lcore_id].dpio_dev;
+		rte_atomic16_inc(&dpaa2_io_portal
+				 [lcore_id].dpio_dev->ref_count);
+		dpaa2_io_portal[lcore_id].net_tid = tid;
+
+		PMD_DRV_LOG(DEBUG, "Old Portal=0x%x (%d) affined thread - %lu",
+			    dpaa2_io_portal[lcore_id].dpio_dev,
+			    dpaa2_io_portal[lcore_id].dpio_dev->index,
+			    tid);
+		return 0;
+	}
+
+	/* Populate the dpaa2_io_portal structure */
+	dpaa2_io_portal[lcore_id].dpio_dev = dpaa2_get_qbman_swp();
+
+	if (dpaa2_io_portal[lcore_id].dpio_dev) {
+		RTE_PER_LCORE(_dpaa2_io).dpio_dev
+			= dpaa2_io_portal[lcore_id].dpio_dev;
+		dpaa2_io_portal[lcore_id].net_tid = tid;
+
+		return 0;
+	} else {
+		return -1;
+	}
+}
+
+int
+dpaa2_create_dpio_device(struct fslmc_vfio_device *vdev,
+			 struct vfio_device_info *obj_info,
+		int object_id)
+{
+	struct dpaa2_dpio_dev *dpio_dev;
+	struct vfio_region_info reg_info = { .argsz = sizeof(reg_info)};
+
+	if (obj_info->num_regions < NUM_DPIO_REGIONS) {
+		PMD_INIT_LOG(ERR, "ERROR, Not sufficient number "
+				"of DPIO regions.\n");
+		return -1;
+	}
+
+	if (!dpio_dev_list) {
+		dpio_dev_list = malloc(sizeof(struct dpio_device_list));
+		if (!dpio_dev_list) {
+			PMD_INIT_LOG(ERR, "Memory alloc failed in DPIO list\n");
+			return -1;
+		}
+
+		/* Initialize the DPIO List */
+		TAILQ_INIT(dpio_dev_list);
+	}
+
+	dpio_dev = malloc(sizeof(struct dpaa2_dpio_dev));
+	if (!dpio_dev) {
+		PMD_INIT_LOG(ERR, "Memory allocation failed for DPIO Device\n");
+		return -1;
+	}
+
+	PMD_DRV_LOG(INFO, "\t Aloocated DPIO [%p]", dpio_dev);
+	dpio_dev->dpio = NULL;
+	dpio_dev->hw_id = object_id;
+	dpio_dev->vfio_fd = vdev->fd;
+	rte_atomic16_init(&dpio_dev->ref_count);
+	/* Using single portal  for all devices */
+	dpio_dev->mc_portal = mcp_ptr_list[MC_PORTAL_INDEX];
+
+	reg_info.index = 0;
+	if (ioctl(dpio_dev->vfio_fd, VFIO_DEVICE_GET_REGION_INFO, &reg_info)) {
+		PMD_INIT_LOG(ERR, "vfio: error getting region info\n");
+		return -1;
+	}
+
+	PMD_DRV_LOG(DEBUG, "\t  Region Offset = %llx", reg_info.offset);
+	PMD_DRV_LOG(DEBUG, "\t  Region Size = %llx", reg_info.size);
+	dpio_dev->ce_size = reg_info.size;
+	dpio_dev->qbman_portal_ce_paddr = (uint64_t)mmap(NULL, reg_info.size,
+				PROT_WRITE | PROT_READ, MAP_SHARED,
+				dpio_dev->vfio_fd, reg_info.offset);
+
+	/* Create Mapping for QBMan Cache Enabled area. This is a fix for
+	 * SMMU fault for DQRR statshing transaction.
+	 */
+	if (vfio_dmamap_mem_region(dpio_dev->qbman_portal_ce_paddr,
+				   reg_info.offset, reg_info.size)) {
+		PMD_INIT_LOG(ERR, "DMAMAP for Portal CE area failed.\n");
+		return -1;
+	}
+
+	reg_info.index = 1;
+	if (ioctl(dpio_dev->vfio_fd, VFIO_DEVICE_GET_REGION_INFO, &reg_info)) {
+		PMD_INIT_LOG(ERR, "vfio: error getting region info\n");
+		return -1;
+	}
+
+	PMD_DRV_LOG(DEBUG, "\t  Region Offset = %llx", reg_info.offset);
+	PMD_DRV_LOG(DEBUG, "\t  Region Size = %llx", reg_info.size);
+	dpio_dev->ci_size = reg_info.size;
+	dpio_dev->qbman_portal_ci_paddr = (uint64_t)mmap(NULL, reg_info.size,
+				PROT_WRITE | PROT_READ, MAP_SHARED,
+				dpio_dev->vfio_fd, reg_info.offset);
+
+	if (configure_dpio_qbman_swp(dpio_dev)) {
+		PMD_INIT_LOG(ERR,
+			     "Fail to configure the dpio qbman portal for %d\n",
+			     dpio_dev->hw_id);
+		return -1;
+	}
+
+	io_space_count++;
+	dpio_dev->index = io_space_count;
+	TAILQ_INSERT_HEAD(dpio_dev_list, dpio_dev, next);
+
+	return 0;
+}
diff --git a/drivers/common/dpaa2/dpio/dpaa2_hw_dpio.h b/drivers/common/dpaa2/dpio/dpaa2_hw_dpio.h
new file mode 100644
index 0000000..889c2c0
--- /dev/null
+++ b/drivers/common/dpaa2/dpio/dpaa2_hw_dpio.h
@@ -0,0 +1,64 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright (c) 2016 Freescale Semiconductor, Inc. All rights reserved.
+ *   Copyright (c) 2016 NXP. All rights reserved.
+ *
+ *   Redistribution and use in source and binary forms, with or without
+ *   modification, are permitted provided that the following conditions
+ *   are met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in
+ *       the documentation and/or other materials provided with the
+ *       distribution.
+ *     * Neither the name of Freescale Semiconductor, Inc nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _FSLMC_DPIO_H_
+#define _FSLMC_DPIO_H_
+
+#include <mc/fsl_dpio.h>
+#include <mc/fsl_mc_sys.h>
+
+struct dpaa2_io_portal_t {
+	struct dpaa2_dpio_dev *dpio_dev;
+	struct dpaa2_dpio_dev *sec_dpio_dev;
+	uint64_t net_tid;
+	uint64_t sec_tid;
+};
+
+/*! Global per thread DPIO portal */
+RTE_DECLARE_PER_LCORE(struct dpaa2_io_portal_t, _dpaa2_io);
+
+#define DPAA2_PER_LCORE_DPIO RTE_PER_LCORE(_dpaa2_io).dpio_dev
+#define DPAA2_PER_LCORE_PORTAL DPAA2_PER_LCORE_DPIO->sw_portal
+
+#define DPAA2_PER_LCORE_SEC_DPIO RTE_PER_LCORE(_dpaa2_io).sec_dpio_dev
+#define DPAA2_PER_LCORE_SEC_PORTAL DPAA2_PER_LCORE_SEC_DPIO->sw_portal
+
+/* Affine a DPIO portal to current processing thread */
+int dpaa2_affine_qbman_swp(void);
+
+/* create dpio device */
+int dpaa2_create_dpio_device(struct fslmc_vfio_device *vdev,
+			     struct vfio_device_info *obj_info,
+			     int object_id);
+
+#endif /* _FSLMC_DPIO_H_ */
diff --git a/drivers/common/dpaa2/dpio/dpaa2_hw_pvt.h b/drivers/common/dpaa2/dpio/dpaa2_hw_pvt.h
new file mode 100644
index 0000000..ef3eb71
--- /dev/null
+++ b/drivers/common/dpaa2/dpio/dpaa2_hw_pvt.h
@@ -0,0 +1,68 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright (c) 2016 Freescale Semiconductor, Inc. All rights reserved.
+ *   Copyright (c) 2016 NXP. All rights reserved.
+ *
+ *   Redistribution and use in source and binary forms, with or without
+ *   modification, are permitted provided that the following conditions
+ *   are met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in
+ *       the documentation and/or other materials provided with the
+ *       distribution.
+ *     * Neither the name of Freescale Semiconductor, Inc nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _DPAA2_HW_PVT_H_
+#define _DPAA2_HW_PVT_H_
+
+#include <mc/fsl_mc_sys.h>
+#include <fsl_qbman_portal.h>
+
+
+#define MC_PORTAL_INDEX		0
+#define NUM_DPIO_REGIONS	2
+
+struct dpaa2_dpio_dev {
+	TAILQ_ENTRY(dpaa2_dpio_dev) next;
+		/**< Pointer to Next device instance */
+	uint16_t index; /**< Index of a instance in the list */
+	rte_atomic16_t ref_count;
+		/**< How many thread contexts are sharing this.*/
+	struct fsl_mc_io *dpio; /** handle to DPIO portal object */
+	uint16_t token;
+	struct qbman_swp *sw_portal; /** SW portal object */
+	const struct qbman_result *dqrr[4];
+		/**< DQRR Entry for this SW portal */
+	void *mc_portal; /**< MC Portal for configuring this device */
+	uintptr_t qbman_portal_ce_paddr;
+		/**< Physical address of Cache Enabled Area */
+	uintptr_t ce_size; /**< Size of the CE region */
+	uintptr_t qbman_portal_ci_paddr;
+		/**< Physical address of Cache Inhibit Area */
+	uintptr_t ci_size; /**< Size of the CI region */
+	int32_t	vfio_fd; /**< File descriptor received via VFIO */
+	int32_t hw_id; /**< An unique ID of this DPIO device instance */
+};
+
+/*! Global MCP list */
+extern void *(*mcp_ptr_list);
+#endif
diff --git a/drivers/common/dpaa2/dpio/rte_pmd_dpaa2_dpio_version.map b/drivers/common/dpaa2/dpio/rte_pmd_dpaa2_dpio_version.map
new file mode 100644
index 0000000..597cdbd
--- /dev/null
+++ b/drivers/common/dpaa2/dpio/rte_pmd_dpaa2_dpio_version.map
@@ -0,0 +1,8 @@
+DPDK_17.02 {
+	global:
+	per_lcore__dpaa2_io;
+	dpaa2_affine_qbman_swp;
+	dpaa2_create_dpio_device;
+
+	local: *;
+};
diff --git a/mk/rte.app.mk b/mk/rte.app.mk
index 438fa2c..f380c88 100644
--- a/mk/rte.app.mk
+++ b/mk/rte.app.mk
@@ -112,6 +112,7 @@ _LDLIBS-$(CONFIG_RTE_LIBRTE_CXGBE_PMD)      += -lrte_pmd_cxgbe
 ifeq ($(CONFIG_RTE_LIBRTE_DPAA2_COMMON),y)
 _LDLIBS-$(CONFIG_RTE_LIBRTE_DPAA2_PMD)      += -lrte_pmd_dpaa2
 _LDLIBS-$(CONFIG_RTE_LIBRTE_DPAA2_PMD)      += -lrte_pmd_dpaa2_qbman
+_LDLIBS-$(CONFIG_RTE_LIBRTE_DPAA2_PMD)      += -lrte_pmd_dpaa2_dpio
 _LDLIBS-$(CONFIG_RTE_LIBRTE_DPAA2_PMD)      += -lrte_pmd_fslmcbus
 endif
 _LDLIBS-$(CONFIG_RTE_LIBRTE_E1000_PMD)      += -lrte_pmd_e1000
-- 
1.9.1