diff mbox

[dpdk-dev,v2,02/14] net/avf: initilization of avf PMD

Message ID 1511505206-97333-3-git-send-email-jingjing.wu@intel.com (mailing list archive)
State Changes Requested, archived
Delegated to: Ferruh Yigit
Headers show

Checks

Context Check Description
ci/Intel-compilation success Compilation OK
ci/checkpatch warning coding style issues

Commit Message

Wu, Jingjing Nov. 24, 2017, 6:33 a.m. UTC
Signed-off-by: Jingjing Wu <jingjing.wu@intel.com>
---
 config/common_base                      |   5 +
 drivers/net/Makefile                    |   1 +
 drivers/net/avf/Makefile                |  58 ++++
 drivers/net/avf/avf.h                   | 214 ++++++++++++++
 drivers/net/avf/avf_ethdev.c            | 482 ++++++++++++++++++++++++++++++++
 drivers/net/avf/avf_log.h               |   2 +-
 drivers/net/avf/avf_vchnl.c             | 336 ++++++++++++++++++++++
 drivers/net/avf/rte_pmd_avf_version.map |   4 +
 mk/rte.app.mk                           |   1 +
 9 files changed, 1102 insertions(+), 1 deletion(-)
 create mode 100644 drivers/net/avf/Makefile
 create mode 100644 drivers/net/avf/avf.h
 create mode 100644 drivers/net/avf/avf_ethdev.c
 create mode 100644 drivers/net/avf/avf_vchnl.c
 create mode 100644 drivers/net/avf/rte_pmd_avf_version.map

Comments

Ferruh Yigit Dec. 4, 2017, 7:52 p.m. UTC | #1
On 11/23/2017 10:33 PM, Jingjing Wu wrote:
> Signed-off-by: Jingjing Wu <jingjing.wu@intel.com>

<...>

> @@ -37,6 +37,7 @@ ifeq ($(CONFIG_RTE_LIBRTE_THUNDERX_NICVF_PMD),d)
>  endif
>  
>  DIRS-$(CONFIG_RTE_LIBRTE_PMD_AF_PACKET) += af_packet
> +DIRS-$(CONFIG_RTE_LIBRTE_AVF_PMD) += avf

Can you please add this alphabetically?

<...>

> +OBJS_BASE_DRIVER=$(patsubst %.c,%.o,$(notdir $(wildcard $(SRCDIR)/base/*.c)))
> +$(foreach obj, $(OBJS_BASE_DRIVER), $(eval CFLAGS_$(obj)+=$(CFLAGS_BASE_DRIVER)))

There is no CFLAGS_BASE_DRIVER yet, you can add these lines when some
CFLAGS_BASE_DRIVER added.

<...>

> @@ -37,7 +37,7 @@
>  extern int avf_logtype_init;
>  #define PMD_INIT_LOG(level, fmt, args...) \
>  	rte_log(RTE_LOG_ ## level, avf_logtype_init, "%s(): " fmt "\n", \
> -		__func__, ##args)
> +		__func__, ## args)

Can you please squash this one to previous patch?

<...>

> +/**
> + * avf_check_api_version
> + * @dev: pointer to eth device

There is no "dev" parameter to the API.

<...>

> @@ -120,6 +120,7 @@ _LDLIBS-$(CONFIG_RTE_DRIVER_MEMPOOL_STACK)  += -lrte_mempool_stack
>  _LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_AF_PACKET)  += -lrte_pmd_af_packet
>  _LDLIBS-$(CONFIG_RTE_LIBRTE_ARK_PMD)        += -lrte_pmd_ark
>  _LDLIBS-$(CONFIG_RTE_LIBRTE_AVP_PMD)        += -lrte_pmd_avp
> +_LDLIBS-$(CONFIG_RTE_LIBRTE_AVF_PMD)        += -lrte_pmd_avf

Can you please add this alphabetically?
diff mbox

Patch

diff --git a/config/common_base b/config/common_base
index e74febe..ce4d9bb 100644
--- a/config/common_base
+++ b/config/common_base
@@ -226,6 +226,11 @@  CONFIG_RTE_LIBRTE_FM10K_RX_OLFLAGS_ENABLE=y
 CONFIG_RTE_LIBRTE_FM10K_INC_VECTOR=y
 
 #
+# Compile burst-oriented AVF PMD driver
+#
+CONFIG_RTE_LIBRTE_AVF_PMD=n
+
+#
 # Compile burst-oriented Mellanox ConnectX-3 (MLX4) PMD
 #
 CONFIG_RTE_LIBRTE_MLX4_PMD=n
diff --git a/drivers/net/Makefile b/drivers/net/Makefile
index ef09b4e..688b8ee 100644
--- a/drivers/net/Makefile
+++ b/drivers/net/Makefile
@@ -37,6 +37,7 @@  ifeq ($(CONFIG_RTE_LIBRTE_THUNDERX_NICVF_PMD),d)
 endif
 
 DIRS-$(CONFIG_RTE_LIBRTE_PMD_AF_PACKET) += af_packet
+DIRS-$(CONFIG_RTE_LIBRTE_AVF_PMD) += avf
 DIRS-$(CONFIG_RTE_LIBRTE_ARK_PMD) += ark
 DIRS-$(CONFIG_RTE_LIBRTE_AVP_PMD) += avp
 DIRS-$(CONFIG_RTE_LIBRTE_BNX2X_PMD) += bnx2x
diff --git a/drivers/net/avf/Makefile b/drivers/net/avf/Makefile
new file mode 100644
index 0000000..40d0a0f
--- /dev/null
+++ b/drivers/net/avf/Makefile
@@ -0,0 +1,58 @@ 
+#   BSD LICENSE
+#
+#   Copyright(c) 2017 Intel Corporation. All rights reserved.
+#
+#   Redistribution and use in source and binary forms, with or without
+#   modification, are permitted provided that the following conditions
+#   are met:
+#
+#     * Redistributions of source code must retain the above copyright
+#       notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above copyright
+#       notice, this list of conditions and the following disclaimer in
+#       the documentation and/or other materials provided with the
+#       distribution.
+#     * Neither the name of Intel Corporation nor the names of its
+#       contributors may be used to endorse or promote products derived
+#       from this software without specific prior written permission.
+#
+#   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+#   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+#   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+#   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+#   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+#   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+#   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+#   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+#   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+#   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+#   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+include $(RTE_SDK)/mk/rte.vars.mk
+
+#
+# library name
+#
+LIB = librte_pmd_avf.a
+
+CFLAGS += -O3
+
+EXPORT_MAP := rte_pmd_avf_version.map
+
+LIBABIVER := 1
+
+OBJS_BASE_DRIVER=$(patsubst %.c,%.o,$(notdir $(wildcard $(SRCDIR)/base/*.c)))
+$(foreach obj, $(OBJS_BASE_DRIVER), $(eval CFLAGS_$(obj)+=$(CFLAGS_BASE_DRIVER)))
+
+VPATH += $(SRCDIR)/base
+
+#
+# all source are stored in SRCS-y
+#
+SRCS-$(CONFIG_RTE_LIBRTE_AVF_PMD) += avf_adminq.c
+SRCS-$(CONFIG_RTE_LIBRTE_AVF_PMD) += avf_common.c
+
+SRCS-$(CONFIG_RTE_LIBRTE_AVF_PMD) += avf_ethdev.c
+SRCS-$(CONFIG_RTE_LIBRTE_AVF_PMD) += avf_vchnl.c
+
+include $(RTE_SDK)/mk/rte.lib.mk
diff --git a/drivers/net/avf/avf.h b/drivers/net/avf/avf.h
new file mode 100644
index 0000000..3d3e0dc
--- /dev/null
+++ b/drivers/net/avf/avf.h
@@ -0,0 +1,214 @@ 
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright(c) 2017 Intel Corporation. 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 Intel Corporation nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _AVF_ETHDEV_H_
+#define _AVF_ETHDEV_H_
+
+#include <rte_kvargs.h>
+
+#define AVF_AQ_LEN               32
+#define AVF_AQ_BUF_SZ            4096
+#define AVF_RESET_WAIT_CNT       50
+#define AVF_BUF_SIZE_MIN         1024
+#define AVF_FRAME_SIZE_MAX       9728
+#define AVF_QUEUE_BASE_ADDR_UNIT 128
+
+#define AVF_MAX_NUM_QUEUES       16
+/* Vlan table size */
+#define AVF_VLAN_TB_SIZE               (4096 / (CHAR_BIT * sizeof(uint32_t)))
+
+#define AVF_NUM_MACADDR_MAX      64
+
+#define AVF_DEFAULT_RX_PTHRESH      8
+#define AVF_DEFAULT_RX_HTHRESH      8
+#define AVF_DEFAULT_RX_WTHRESH      0
+
+#define AVF_DEFAULT_RX_FREE_THRESH  32
+
+#define AVF_DEFAULT_TX_PTHRESH      32
+#define AVF_DEFAULT_TX_HTHRESH      0
+#define AVF_DEFAULT_TX_WTHRESH      0
+
+#define AVF_DEFAULT_TX_FREE_THRESH  32
+#define AVF_DEFAULT_TX_RS_THRESH 32
+
+#define AVF_BASIC_OFFLOAD_CAPS  ( \
+	VF_BASE_MODE_OFFLOADS | \
+	VIRTCHNL_VF_OFFLOAD_WB_ON_ITR | \
+	VIRTCHNL_VF_OFFLOAD_RX_POLLING)
+
+#define AVF_MISC_VEC_ID                RTE_INTR_VEC_ZERO_OFFSET
+#define AVF_RX_VEC_START               RTE_INTR_VEC_RXTX_OFFSET
+
+/* Default queue interrupt throttling time in microseconds */
+#define AVF_ITR_INDEX_DEFAULT          0
+#define AVF_QUEUE_ITR_INTERVAL_DEFAULT 32 /* 32 us */
+#define AVF_QUEUE_ITR_INTERVAL_MAX     8160 /* 8160 us */
+
+/* The overhead from MTU to max frame size.
+ * Considering QinQ packet, the VLAN tag needs to be counted twice.
+ */
+#define AVF_VLAN_TAG_SIZE               4
+#define AVF_ETH_OVERHEAD \
+	(ETHER_HDR_LEN + ETHER_CRC_LEN + AVF_VLAN_TAG_SIZE * 2)
+
+struct avf_adapter;
+struct avf_rx_queue;
+struct avf_tx_queue;
+
+/* Structure that defines a VSI, associated with a adapter. */
+struct avf_vsi {
+	struct avf_adapter *adapter; /* Backreference to associated adapter */
+	uint16_t vsi_id;
+	uint16_t nb_qps;         /* Number of queue pairs VSI can occupy */
+	uint16_t nb_used_qps;    /* Number of queue pairs VSI uses */
+	uint16_t max_macaddrs;   /* Maximum number of MAC addresses */
+	uint16_t base_vector;
+	uint16_t msix_intr;      /* The MSIX interrupt binds to VSI */
+};
+
+/* TODO: is that correct to assume the max number to be 16 ?*/
+#define AVF_MAX_MSIX_VECTORS   16
+
+/* Structure to store private data specific for VF instance. */
+struct avf_info {
+	uint16_t num_queue_pairs;
+	uint16_t max_pkt_len; /* Maximum packet length */
+	uint16_t mac_num;     /* Number of MAC addresses */
+	uint32_t vlan[AVF_VLAN_TB_SIZE]; /* VLAN bit map */
+	bool promisc_unicast_enabled;
+	bool promisc_multicast_enabled;
+
+	struct virtchnl_version_info virtchnl_version;
+	struct virtchnl_vf_resource *vf_res; /* VF resource */
+	struct virtchnl_vsi_resource *vsi_res; /* LAN VSI */
+	volatile enum virtchnl_ops pend_cmd; /* pending command not finished */
+	uint32_t cmd_retval; /* return value of the cmd response from PF */
+	uint8_t *aq_resp; /* buffer to store the adminq response from PF */
+
+	/* Event from pf */
+	bool dev_closed;
+	bool link_up;
+	enum virtchnl_link_speed link_speed;
+
+	struct avf_vsi vsi;
+	bool vf_reset;
+	uint64_t flags;
+
+	uint8_t *rss_lut;
+	uint8_t *rss_key;
+	uint16_t nb_msix;   /* number of MSI-X interrupts on Rx */
+	uint16_t msix_base; /* msix vector base from */
+	uint16_t rxq_map[AVF_MAX_MSIX_VECTORS];  /* queue bitmask for each vector */
+};
+
+#define AVF_MAX_PKT_TYPE 256
+
+/* Structure to store private data for each VF instance. */
+struct avf_adapter {
+	struct avf_hw hw;
+	struct rte_eth_dev *eth_dev;
+	struct avf_info vf;
+};
+
+/* AVF_DEV_PRIVATE_TO */
+#define AVF_DEV_PRIVATE_TO_ADAPTER(adapter) \
+	((struct avf_adapter *)adapter)
+#define AVF_DEV_PRIVATE_TO_VF(adapter) \
+	(&((struct avf_adapter *)adapter)->vf)
+#define AVF_DEV_PRIVATE_TO_HW(adapter) \
+	(&((struct avf_adapter *)adapter)->hw)
+
+/* AVF_VSI_TO */
+#define AVF_VSI_TO_HW(vsi) \
+	(&(((struct avf_vsi *)vsi)->adapter->hw))
+#define AVF_VSI_TO_VF(vsi) \
+	(&(((struct avf_vsi *)vsi)->adapter->vf))
+#define AVF_VSI_TO_ETH_DEV(vsi) \
+	(((struct avf_vsi *)vsi)->adapter->eth_dev)
+
+static inline void
+avf_init_adminq_parameter(struct avf_hw *hw)
+{
+	hw->aq.num_arq_entries = AVF_AQ_LEN;
+	hw->aq.num_asq_entries = AVF_AQ_LEN;
+	hw->aq.arq_buf_size = AVF_AQ_BUF_SZ;
+	hw->aq.asq_buf_size = AVF_AQ_BUF_SZ;
+}
+
+static inline uint16_t
+avf_calc_itr_interval(int16_t interval)
+{
+	if (interval < 0 || interval > AVF_QUEUE_ITR_INTERVAL_MAX)
+		interval = AVF_QUEUE_ITR_INTERVAL_DEFAULT;
+
+	/* Convert to hardware count, as writing each 1 represents 2 us */
+	return interval / 2;
+}
+
+/* structure used for sending and checking response of virtchnl ops */
+struct avf_cmd_info {
+	enum virtchnl_ops ops;
+	uint8_t *in_args;       /* buffer for sending */
+	uint32_t in_args_size;  /* buffer size for sending */
+	uint8_t *out_buffer;    /* buffer for response */
+	uint32_t out_size;      /* buffer size for response */
+};
+
+/* clear current command. Only call in case execute
+ * _atomic_set_cmd successfully.
+ */
+static inline void
+_clear_cmd(struct avf_info *vf)
+{
+	rte_wmb();
+	vf->pend_cmd = VIRTCHNL_OP_UNKNOWN;
+	vf->cmd_retval = VIRTCHNL_STATUS_SUCCESS;
+}
+
+/* Check there is pending cmd in execution. If none, set new command. */
+static inline int
+_atomic_set_cmd(struct avf_info *vf, enum virtchnl_ops ops)
+{
+	int ret = rte_atomic32_cmpset(&vf->pend_cmd, VIRTCHNL_OP_UNKNOWN, ops);
+
+	if (!ret)
+		PMD_DRV_LOG(ERR, "There is incomplete cmd %d", vf->pend_cmd);
+
+	return !ret;
+}
+
+int avf_check_api_version(struct avf_adapter *adapter);
+int avf_get_vf_resource(struct avf_adapter *adapter);
+void avf_handle_virtchnl_msg(struct rte_eth_dev *dev);
+#endif /* _AVF_ETHDEV_H_ */
diff --git a/drivers/net/avf/avf_ethdev.c b/drivers/net/avf/avf_ethdev.c
new file mode 100644
index 0000000..ba31b47
--- /dev/null
+++ b/drivers/net/avf/avf_ethdev.c
@@ -0,0 +1,482 @@ 
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright(c) 2017 Intel Corporation. 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 Intel Corporation nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <sys/queue.h>
+#include <stdio.h>
+#include <errno.h>
+#include <stdint.h>
+#include <string.h>
+#include <unistd.h>
+#include <stdarg.h>
+#include <inttypes.h>
+#include <rte_byteorder.h>
+#include <rte_common.h>
+
+#include <rte_interrupts.h>
+#include <rte_debug.h>
+#include <rte_pci.h>
+#include <rte_atomic.h>
+#include <rte_eal.h>
+#include <rte_ether.h>
+#include <rte_ethdev.h>
+#include <rte_ethdev_pci.h>
+#include <rte_malloc.h>
+#include <rte_memzone.h>
+#include <rte_dev.h>
+
+#include "avf_log.h"
+#include "base/avf_prototype.h"
+#include "base/avf_adminq_cmd.h"
+#include "base/avf_type.h"
+
+#include "avf.h"
+
+int avf_logtype_init;
+int avf_logtype_driver;
+static const struct rte_pci_id pci_id_avf_map[] = {
+	{ RTE_PCI_DEVICE(AVF_INTEL_VENDOR_ID, AVF_DEV_ID_ADAPTIVE_VF) },
+	{ .vendor_id = 0, /* sentinel */ },
+};
+
+static const struct eth_dev_ops avf_eth_dev_ops = {
+};
+
+static int
+avf_check_vf_reset_done(struct avf_hw *hw)
+{
+	int i, reset;
+
+	for (i = 0; i < AVF_RESET_WAIT_CNT; i++) {
+		reset = AVF_READ_REG(hw, AVFGEN_RSTAT) &
+			AVFGEN_RSTAT_VFR_STATE_MASK;
+		reset = reset >> AVFGEN_RSTAT_VFR_STATE_SHIFT;
+		if (reset == VIRTCHNL_VFR_VFACTIVE ||
+		    reset == VIRTCHNL_VFR_COMPLETED)
+			break;
+		rte_delay_ms(20);
+	}
+
+	if (i >= AVF_RESET_WAIT_CNT)
+		return -1;
+
+	return 0;
+}
+
+static int
+avf_init_vf(struct rte_eth_dev *dev)
+{
+	int i, err, bufsz;
+	struct avf_adapter *adapter =
+		AVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
+	struct avf_hw *hw = AVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+	struct avf_info *vf = AVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
+	uint16_t interval =
+		avf_calc_itr_interval(AVF_QUEUE_ITR_INTERVAL_MAX);
+
+	err = avf_set_mac_type(hw);
+	if (err) {
+		PMD_INIT_LOG(ERR, "set_mac_type failed: %d", err);
+		goto err;
+	}
+
+	err = avf_check_vf_reset_done(hw);
+	if (err) {
+		PMD_INIT_LOG(ERR, "VF is still resetting");
+		goto err;
+	}
+
+	avf_init_adminq_parameter(hw);
+	err = avf_init_adminq(hw);
+	if (err) {
+		PMD_INIT_LOG(ERR, "init_adminq failed: %d", err);
+		goto err;
+	}
+
+	vf->aq_resp = rte_zmalloc("vf_aq_resp", AVF_AQ_BUF_SZ, 0);
+	if (!vf->aq_resp) {
+		PMD_INIT_LOG(ERR, "unable to allocate vf_aq_resp memory");
+		goto err_aq;
+	}
+	if (avf_check_api_version(adapter) != 0) {
+		PMD_INIT_LOG(ERR, "check_api version failed");
+		goto err_api;
+	}
+
+	bufsz = sizeof(struct virtchnl_vf_resource) +
+		(AVF_MAX_VF_VSI * sizeof(struct virtchnl_vsi_resource));
+	vf->vf_res = rte_zmalloc("vf_res", bufsz, 0);
+	if (!vf->vf_res) {
+		PMD_INIT_LOG(ERR, "unable to allocate vf_res memory");
+		goto err_api;
+	}
+	if (avf_get_vf_resource(adapter) != 0) {
+		PMD_INIT_LOG(ERR, "avf_get_vf_config failed");
+		goto err_alloc;
+	}
+	/* Allocate memort for RSS info */
+	if (vf->vf_res->vf_offload_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF) {
+		vf->rss_key = rte_zmalloc("rss_key",
+					  vf->vf_res->rss_key_size, 0);
+		if (!vf->rss_key) {
+			PMD_INIT_LOG(ERR, "unable to allocate rss_key memory");
+			goto err_rss;
+		}
+		vf->rss_lut = rte_zmalloc("rss_lut",
+					  vf->vf_res->rss_lut_size, 0);
+		if (!vf->rss_lut) {
+			PMD_INIT_LOG(ERR, "unable to allocate rss_lut memory");
+			goto err_rss;
+		}
+	}
+	return 0;
+err_rss:
+	rte_free(vf->rss_key);
+	rte_free(vf->rss_lut);
+err_alloc:
+	rte_free(vf->vf_res);
+	vf->vsi_res = NULL;
+err_api:
+	rte_free(vf->aq_resp);
+err_aq:
+	avf_shutdown_adminq(hw);
+err:
+	return -1;
+}
+
+/* Enable default admin queue interrupt setting */
+static inline void
+avf_enable_irq0(struct avf_hw *hw)
+{
+	/* Enable admin queue interrupt trigger */
+	AVF_WRITE_REG(hw, AVFINT_ICR0_ENA1, AVFINT_ICR0_ENA1_ADMINQ_MASK);
+
+	AVF_WRITE_REG(hw, AVFINT_DYN_CTL01, AVFINT_DYN_CTL01_INTENA_MASK |
+					    AVFINT_DYN_CTL01_CLEARPBA_MASK |
+					    AVFINT_DYN_CTL01_ITR_INDX_MASK);
+
+	AVF_WRITE_FLUSH(hw);
+}
+
+static inline void
+avf_disable_irq0(struct avf_hw *hw)
+{
+	/* Disable all interrupt types */
+	AVF_WRITE_REG(hw, AVFINT_ICR0_ENA1, 0);
+	AVF_WRITE_REG(hw, AVFINT_DYN_CTL01,
+		      AVFINT_DYN_CTL01_ITR_INDX_MASK);
+	AVF_WRITE_FLUSH(hw);
+}
+
+static void
+avf_dev_interrupt_handler(void *param)
+{
+	struct rte_eth_dev *dev = (struct rte_eth_dev *)param;
+	struct avf_hw *hw = AVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+	uint32_t icr0;
+
+	avf_disable_irq0(hw);
+
+	/* read out interrupt causes */
+	icr0 = AVF_READ_REG(hw, AVFINT_ICR01);
+
+	/* No interrupt event indicated */
+	if (!(icr0 & AVFINT_ICR01_INTEVENT_MASK)) {
+		PMD_DRV_LOG(DEBUG, "No interrupt event, nothing to do");
+		goto done;
+	}
+
+	if (icr0 & AVFINT_ICR01_ADMINQ_MASK) {
+		PMD_DRV_LOG(DEBUG, "ICR01_ADMINQ is reported");
+		avf_handle_virtchnl_msg(dev);
+	}
+
+done:
+	avf_enable_irq0(hw);
+}
+
+static int
+avf_dev_init(struct rte_eth_dev *eth_dev)
+{
+	struct avf_adapter *adapter =
+		AVF_DEV_PRIVATE_TO_ADAPTER(eth_dev->data->dev_private);
+	struct avf_hw *hw = AVF_DEV_PRIVATE_TO_HW(adapter);
+	struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
+
+	PMD_INIT_FUNC_TRACE();
+
+	/* assign ops func pointer */
+	eth_dev->dev_ops = &avf_eth_dev_ops;
+
+	rte_eth_copy_pci_info(eth_dev, pci_dev);
+
+	hw->vendor_id = pci_dev->id.vendor_id;
+	hw->device_id = pci_dev->id.device_id;
+	hw->subsystem_vendor_id = pci_dev->id.subsystem_vendor_id;
+	hw->subsystem_device_id = pci_dev->id.subsystem_device_id;
+	hw->bus.bus_id = pci_dev->addr.bus;
+	hw->bus.device = pci_dev->addr.devid;
+	hw->bus.func = pci_dev->addr.function;
+	hw->hw_addr = (void *)pci_dev->mem_resource[0].addr;
+	hw->back = AVF_DEV_PRIVATE_TO_ADAPTER(eth_dev->data->dev_private);;
+	adapter->eth_dev = eth_dev;
+
+	if (avf_init_vf(eth_dev) != 0) {
+		PMD_INIT_LOG(ERR, "Init vf failed");
+		return -1;
+	}
+
+	/* copy mac addr */
+	eth_dev->data->mac_addrs = rte_zmalloc(
+					"avf_mac",
+					ETHER_ADDR_LEN * AVF_NUM_MACADDR_MAX,
+					0);
+	if (!eth_dev->data->mac_addrs) {
+		PMD_INIT_LOG(ERR, "Failed to allocate %d bytes needed to"
+			     " store MAC addresses",
+			     ETHER_ADDR_LEN * AVF_NUM_MACADDR_MAX);
+		return -ENOMEM;
+	}
+	/* If the MAC address is not configured by host,
+	 * generate a random one.
+	 */
+	if (!is_valid_assigned_ether_addr((struct ether_addr *)hw->mac.addr))
+		eth_random_addr(hw->mac.addr);
+	ether_addr_copy((struct ether_addr *)hw->mac.addr,
+			&eth_dev->data->mac_addrs[0]);
+
+	/* register callback func to eal lib */
+	rte_intr_callback_register(&pci_dev->intr_handle,
+				   avf_dev_interrupt_handler,
+				   (void *)eth_dev);
+
+	/* enable uio intr after callback register */
+	rte_intr_enable(&pci_dev->intr_handle);
+
+	/* configure and enable device interrupt */
+	avf_enable_irq0(hw);
+
+	return 0;
+}
+
+static void
+avf_dev_close(struct rte_eth_dev *dev)
+{
+	struct avf_hw *hw = AVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+	struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
+	struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
+
+	avf_shutdown_adminq(hw);
+	/* disable uio intr before callback unregister */
+	rte_intr_disable(intr_handle);
+
+	/* unregister callback func from eal lib */
+	rte_intr_callback_unregister(intr_handle,
+				     avf_dev_interrupt_handler, dev);
+	avf_disable_irq0(hw);
+}
+
+static int
+avf_dev_uninit(struct rte_eth_dev *dev)
+{
+	struct avf_info *vf = AVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
+	struct avf_hw *hw = AVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+	if (rte_eal_process_type() != RTE_PROC_PRIMARY)
+		return -EPERM;
+
+	dev->dev_ops = NULL;
+	dev->rx_pkt_burst = NULL;
+	dev->tx_pkt_burst = NULL;
+	if (hw->adapter_stopped == 0)
+		avf_dev_close(dev);
+
+	rte_free(vf->vf_res);
+	vf->vsi_res = NULL;
+	vf->vf_res = NULL;
+
+	rte_free(vf->aq_resp);
+	vf->aq_resp = NULL;
+
+	rte_free(dev->data->mac_addrs);
+	dev->data->mac_addrs = NULL;
+
+	if (vf->rss_lut) {
+		rte_free(vf->rss_lut);
+		vf->rss_lut = NULL;
+	}
+	if (vf->rss_key) {
+		rte_free(vf->rss_key);
+		vf->rss_key = NULL;
+	}
+
+	return 0;
+}
+
+static int eth_avf_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
+			     struct rte_pci_device *pci_dev)
+{
+	return rte_eth_dev_pci_generic_probe(pci_dev,
+		sizeof(struct avf_adapter), avf_dev_init);
+}
+
+static int eth_avf_pci_remove(struct rte_pci_device *pci_dev)
+{
+	return rte_eth_dev_pci_generic_remove(pci_dev, avf_dev_uninit);
+}
+
+/* Adaptive virtual function driver struct */
+static struct rte_pci_driver rte_avf_pmd = {
+	.id_table = pci_id_avf_map,
+	.drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC |
+		     RTE_PCI_DRV_IOVA_AS_VA,
+	.probe = eth_avf_pci_probe,
+	.remove = eth_avf_pci_remove,
+};
+
+RTE_PMD_REGISTER_PCI(net_avf, rte_avf_pmd);
+RTE_PMD_REGISTER_PCI_TABLE(net_avf, pci_id_avf_map);
+RTE_PMD_REGISTER_KMOD_DEP(net_avf, "* igb_uio | vfio-pci");
+RTE_INIT(avf_init_log);
+static void
+avf_init_log(void)
+{
+	avf_logtype_init = rte_log_register("pmd.avf.init");
+	if (avf_logtype_init >= 0)
+		rte_log_set_level(avf_logtype_init, RTE_LOG_NOTICE);
+	avf_logtype_driver = rte_log_register("pmd.avf.driver");
+	if (avf_logtype_driver >= 0)
+		rte_log_set_level(avf_logtype_driver, RTE_LOG_NOTICE);
+}
+
+/* memory func for base code */
+enum avf_status_code
+avf_allocate_dma_mem_d(__rte_unused struct avf_hw *hw,
+		       struct avf_dma_mem *mem,
+		       u64 size,
+		       u32 alignment)
+{
+	const struct rte_memzone *mz = NULL;
+	char z_name[RTE_MEMZONE_NAMESIZE];
+
+	if (!mem)
+		return AVF_ERR_PARAM;
+
+	snprintf(z_name, sizeof(z_name), "avf_dma_%"PRIu64, rte_rand());
+	mz = rte_memzone_reserve_bounded(z_name, size, SOCKET_ID_ANY, 0,
+					 alignment, RTE_PGSIZE_2M);
+	if (!mz)
+		return AVF_ERR_NO_MEMORY;
+
+	mem->size = size;
+	mem->va = mz->addr;
+	mem->pa = mz->phys_addr;
+	mem->zone = (const void *)mz;
+	PMD_DRV_LOG(DEBUG,
+		    "memzone %s allocated with physical address: %"PRIu64,
+		    mz->name, mem->pa);
+
+	return AVF_SUCCESS;
+}
+
+enum avf_status_code
+avf_free_dma_mem_d(__rte_unused struct avf_hw *hw,
+		   struct avf_dma_mem *mem)
+{
+	if (!mem)
+		return AVF_ERR_PARAM;
+
+	PMD_DRV_LOG(DEBUG,
+		    "memzone %s to be freed with physical address: %"PRIu64,
+		    ((const struct rte_memzone *)mem->zone)->name, mem->pa);
+	rte_memzone_free((const struct rte_memzone *)mem->zone);
+	mem->zone = NULL;
+	mem->va = NULL;
+	mem->pa = (u64)0;
+
+	return AVF_SUCCESS;
+}
+
+enum avf_status_code
+avf_allocate_virt_mem_d(__rte_unused struct avf_hw *hw,
+			struct avf_virt_mem *mem,
+			u32 size)
+{
+	if (!mem)
+		return AVF_ERR_PARAM;
+
+	mem->size = size;
+	mem->va = rte_zmalloc("avf", size, 0);
+
+	if (mem->va)
+		return AVF_SUCCESS;
+	else
+		return AVF_ERR_NO_MEMORY;
+}
+
+enum avf_status_code
+avf_free_virt_mem_d(__rte_unused struct avf_hw *hw,
+		    struct avf_virt_mem *mem)
+{
+	if (!mem)
+		return AVF_ERR_PARAM;
+
+	rte_free(mem->va);
+	mem->va = NULL;
+
+	return AVF_SUCCESS;
+}
+
+/* spinlock func for base code */
+void
+avf_init_spinlock_d(struct avf_spinlock *sp)
+{
+	rte_spinlock_init(&sp->spinlock);
+}
+
+void
+avf_acquire_spinlock_d(struct avf_spinlock *sp)
+{
+	rte_spinlock_lock(&sp->spinlock);
+}
+
+void
+avf_release_spinlock_d(struct avf_spinlock *sp)
+{
+	rte_spinlock_unlock(&sp->spinlock);
+}
+
+void
+avf_destroy_spinlock_d(__rte_unused struct avf_spinlock *sp)
+{
+	return;
+}
diff --git a/drivers/net/avf/avf_log.h b/drivers/net/avf/avf_log.h
index 431f0f3..25e853b 100644
--- a/drivers/net/avf/avf_log.h
+++ b/drivers/net/avf/avf_log.h
@@ -37,7 +37,7 @@ 
 extern int avf_logtype_init;
 #define PMD_INIT_LOG(level, fmt, args...) \
 	rte_log(RTE_LOG_ ## level, avf_logtype_init, "%s(): " fmt "\n", \
-		__func__, ##args)
+		__func__, ## args)
 #define PMD_INIT_FUNC_TRACE() PMD_INIT_LOG(DEBUG, " >>")
 
 extern int avf_logtype_driver;
diff --git a/drivers/net/avf/avf_vchnl.c b/drivers/net/avf/avf_vchnl.c
new file mode 100644
index 0000000..214ddf9
--- /dev/null
+++ b/drivers/net/avf/avf_vchnl.c
@@ -0,0 +1,336 @@ 
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright(c) 2017 Intel Corporation. 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 Intel Corporation nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <stdio.h>
+#include <errno.h>
+#include <stdint.h>
+#include <string.h>
+#include <unistd.h>
+#include <stdarg.h>
+#include <inttypes.h>
+#include <rte_byteorder.h>
+#include <rte_common.h>
+
+#include <rte_debug.h>
+#include <rte_atomic.h>
+#include <rte_eal.h>
+#include <rte_ether.h>
+#include <rte_ethdev.h>
+#include <rte_dev.h>
+
+#include "avf_log.h"
+#include "base/avf_prototype.h"
+#include "base/avf_adminq_cmd.h"
+#include "base/avf_type.h"
+
+#include "avf.h"
+
+#define MAX_TRY_TIMES 200
+#define ASQ_DELAY_MS  10
+
+/* Read data in admin queue to get msg from pf driver */
+static enum avf_status_code
+avf_read_msg_from_pf(struct avf_adapter *adapter, uint16_t buf_len,
+		     uint8_t *buf)
+{
+	struct avf_hw *hw = AVF_DEV_PRIVATE_TO_HW(adapter);
+	struct avf_info *vf = AVF_DEV_PRIVATE_TO_VF(adapter);
+	struct avf_arq_event_info event;
+	enum virtchnl_ops opcode;
+	int ret;
+
+	event.buf_len = buf_len;
+	event.msg_buf = buf;
+	ret = avf_clean_arq_element(hw, &event, NULL);
+	/* Can't read any msg from adminQ */
+	if (ret) {
+		PMD_DRV_LOG(ERR, "Can't read msg from AQ");
+		return ret;
+	}
+
+	opcode = (enum virtchnl_ops)rte_le_to_cpu_32(event.desc.cookie_high);
+	vf->cmd_retval = (enum virtchnl_status_code)rte_le_to_cpu_32(
+			event.desc.cookie_low);
+
+	PMD_DRV_LOG(DEBUG, "AQ from pf carries opcode %u, retval %d",
+		    opcode, vf->cmd_retval);
+
+	if (opcode != vf->pend_cmd)
+		PMD_DRV_LOG(WARNING, "command mismatch, expect %u, get %u",
+			    vf->pend_cmd, opcode);
+
+	return AVF_SUCCESS;
+}
+
+static int
+avf_execute_vf_cmd(struct avf_adapter *adapter, struct avf_cmd_info *args)
+{
+	struct avf_hw *hw = AVF_DEV_PRIVATE_TO_HW(adapter);
+	struct avf_info *vf = AVF_DEV_PRIVATE_TO_VF(adapter);
+	struct avf_arq_event_info event_info;
+	enum avf_status_code ret;
+	int err = 0;
+	int i = 0;
+
+	if (_atomic_set_cmd(vf, args->ops))
+		return -1;
+
+	ret = avf_aq_send_msg_to_pf(hw, args->ops, AVF_SUCCESS,
+				    args->in_args, args->in_args_size, NULL);
+	if (ret) {
+		PMD_DRV_LOG(ERR, "fail to send cmd %d", args->ops);
+		_clear_cmd(vf);
+		return err;
+	}
+
+	switch (args->ops) {
+	case VIRTCHNL_OP_RESET_VF:
+		/*no need to wait for response */
+		_clear_cmd(vf);
+		break;
+	case VIRTCHNL_OP_VERSION:
+	case VIRTCHNL_OP_GET_VF_RESOURCES:
+		/* for init virtchnl ops, need to poll the response */
+		do {
+			ret = avf_read_msg_from_pf(adapter, args->out_size,
+						   args->out_buffer);
+			if (ret == AVF_SUCCESS)
+				break;
+			rte_delay_ms(ASQ_DELAY_MS);
+		} while (i++ < MAX_TRY_TIMES);
+		if (i >= MAX_TRY_TIMES ||
+		    vf->cmd_retval != VIRTCHNL_STATUS_SUCCESS) {
+			err = -1;
+			PMD_DRV_LOG(ERR, "No response or return failure (%d)"
+				    " for cmd %d", vf->cmd_retval, args->ops);
+		}
+		_clear_cmd(vf);
+		break;
+
+	default:
+		/* For other virtchnl ops in running time,
+		 * wait for the cmd done flag.
+		 */
+		do {
+			if (vf->pend_cmd == VIRTCHNL_OP_UNKNOWN)
+				break;
+			rte_delay_ms(ASQ_DELAY_MS);
+			/* If don't read msg or read sys event, continue */
+		} while (i++ < MAX_TRY_TIMES);
+		/* If there's no response is received, clear command */
+		if (i >= MAX_TRY_TIMES  ||
+		    vf->cmd_retval != VIRTCHNL_STATUS_SUCCESS) {
+			err = -1;
+			PMD_DRV_LOG(ERR, "No response or return failure (%d)"
+				    " for cmd %d", vf->cmd_retval, args->ops);
+			_clear_cmd(vf);
+		}
+		break;
+	}
+
+	return err;
+}
+
+void
+avf_handle_virtchnl_msg(struct rte_eth_dev *dev)
+{
+	struct avf_hw *hw = AVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+	struct avf_info *vf = AVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
+	struct avf_arq_event_info info;
+	uint16_t pending, aq_opc;
+	enum virtchnl_ops msg_opc;
+	enum avf_status_code msg_ret;
+	int ret;
+
+	info.buf_len = AVF_AQ_BUF_SZ;
+	if (!vf->aq_resp) {
+		PMD_DRV_LOG(ERR, "Buffer for adminq resp should not be NULL");
+		return;
+	}
+	info.msg_buf = vf->aq_resp;
+
+	pending = 1;
+	while (pending) {
+		ret = avf_clean_arq_element(hw, &info, &pending);
+
+		if (ret != AVF_SUCCESS) {
+			PMD_DRV_LOG(INFO, "Failed to read msg from AdminQ,"
+				    "ret: %d", ret);
+			break;
+		}
+		aq_opc = rte_le_to_cpu_16(info.desc.opcode);
+		/* For the message sent from pf to vf, opcode is stored in
+		 * cookie_high of struct avf_aq_desc, while return error code
+		 * are stored in cookie_low, Which is done by PF driver.
+		 */
+		msg_opc = (enum virtchnl_ops)rte_le_to_cpu_32(
+						  info.desc.cookie_high);
+		msg_ret = (enum avf_status_code)rte_le_to_cpu_32(
+						  info.desc.cookie_low);
+		switch (aq_opc) {
+		case avf_aqc_opc_send_msg_to_vf:
+			if (msg_opc == VIRTCHNL_OP_EVENT) {
+				/* TODO */
+			} else {
+				/* read message and it's expected one */
+				if (msg_opc == vf->pend_cmd) {
+					vf->cmd_retval = msg_ret;
+					/* prevent compiler reordering */
+					rte_compiler_barrier();
+					_clear_cmd(vf);
+				} else
+					PMD_DRV_LOG(ERR, "command mismatch,"
+						    "expect %u, get %u",
+						    vf->pend_cmd, msg_opc);
+				PMD_DRV_LOG(DEBUG, "adminq response is received,"
+					     " opcode = %d", msg_opc);
+			}
+			break;
+		default:
+			PMD_DRV_LOG(ERR, "Request %u is not supported yet",
+				    aq_opc);
+			break;
+		}
+	}
+}
+
+#define VIRTCHNL_VERSION_MAJOR_START 1
+#define VIRTCHNL_VERSION_MINOR_START 1
+
+/**
+ * avf_check_api_version
+ * @dev: pointer to eth device
+ *
+ * Check API version with sync wait until version read or fail from admin queue
+ */
+int
+avf_check_api_version(struct avf_adapter *adapter)
+{
+	struct avf_info *vf = AVF_DEV_PRIVATE_TO_VF(adapter);
+	struct virtchnl_version_info version, *pver;
+	struct avf_cmd_info args;
+	int err;
+
+	version.major = VIRTCHNL_VERSION_MAJOR;
+	version.minor = VIRTCHNL_VERSION_MINOR;
+
+	args.ops = VIRTCHNL_OP_VERSION;
+	args.in_args = (uint8_t *)&version;
+	args.in_args_size = sizeof(version);
+	args.out_buffer = vf->aq_resp;
+	args.out_size = AVF_AQ_BUF_SZ;
+
+	err = avf_execute_vf_cmd(adapter, &args);
+	if (err) {
+		PMD_INIT_LOG(ERR, "Fail to execute command of OP_VERSION");
+		return err;
+	}
+
+	pver = (struct virtchnl_version_info *)args.out_buffer;
+	vf->virtchnl_version = *pver;
+
+	if ((vf->virtchnl_version.major < VIRTCHNL_VERSION_MAJOR_START) ||
+	    ((vf->virtchnl_version.major == VIRTCHNL_VERSION_MAJOR_START) &&
+	     (vf->virtchnl_version.minor < VIRTCHNL_VERSION_MINOR_START))) {
+		PMD_INIT_LOG(ERR, "VIRTCHNL API version should not be lower"
+			     " than (%u.%u) to support Adapative VF",
+			     VIRTCHNL_VERSION_MAJOR_START,
+			     VIRTCHNL_VERSION_MAJOR_START);
+		return -1;
+	} else if ((vf->virtchnl_version.major > VIRTCHNL_VERSION_MAJOR) ||
+		   ((vf->virtchnl_version.major == VIRTCHNL_VERSION_MAJOR) &&
+		    (vf->virtchnl_version.minor > VIRTCHNL_VERSION_MINOR))) {
+		PMD_INIT_LOG(ERR, "PF/VF API version mismatch:(%u.%u)-(%u.%u)",
+			     vf->virtchnl_version.major,
+			     vf->virtchnl_version.minor,
+			     VIRTCHNL_VERSION_MAJOR,
+			     VIRTCHNL_VERSION_MINOR);
+		return -1;
+	}
+
+	PMD_DRV_LOG(DEBUG, "Peer is supported PF host");
+	return 0;
+}
+
+int
+avf_get_vf_resource(struct avf_adapter *adapter)
+{
+	struct avf_hw *hw = AVF_DEV_PRIVATE_TO_HW(adapter);
+	struct avf_info *vf = AVF_DEV_PRIVATE_TO_VF(adapter);
+	struct avf_cmd_info args;
+	uint32_t caps, len;
+	int err, i;
+
+	args.ops = VIRTCHNL_OP_GET_VF_RESOURCES;
+	args.out_buffer = vf->aq_resp;
+	args.out_size = AVF_AQ_BUF_SZ;
+
+	/* TODO: basic offload capabilities, need to
+	  * add advanced/optional offload capabilities
+	  */
+
+	caps = AVF_BASIC_OFFLOAD_CAPS;
+
+	args.in_args = (uint8_t *)&caps;
+	args.in_args_size = sizeof(caps);
+
+	err = avf_execute_vf_cmd(adapter, &args);
+
+	if (err) {
+		PMD_DRV_LOG(ERR, "Failed to execute command of "
+				 "OP_GET_VF_RESOURCE");
+		return -1;
+	}
+
+	len =  sizeof(struct virtchnl_vf_resource) +
+		      AVF_MAX_VF_VSI * sizeof(struct virtchnl_vsi_resource);
+
+	rte_memcpy(vf->vf_res, args.out_buffer,
+		   RTE_MIN(args.out_size, len));
+	/* parse  VF config message back from PF*/
+	avf_parse_hw_config(hw, vf->vf_res);
+	for (i = 0; i < vf->vf_res->num_vsis; i++) {
+		if (vf->vf_res->vsi_res[i].vsi_type == VIRTCHNL_VSI_SRIOV)
+			vf->vsi_res = &vf->vf_res->vsi_res[i];
+	}
+
+	if (!vf->vsi_res) {
+		PMD_INIT_LOG(ERR, "no LAN VSI found");
+		return -1;
+	}
+
+	vf->vsi.vsi_id = vf->vsi_res->vsi_id;
+	vf->vsi.nb_qps = vf->vsi_res->num_queue_pairs;
+	vf->vsi.adapter = adapter;
+
+	return 0;
+}
diff --git a/drivers/net/avf/rte_pmd_avf_version.map b/drivers/net/avf/rte_pmd_avf_version.map
new file mode 100644
index 0000000..179140f
--- /dev/null
+++ b/drivers/net/avf/rte_pmd_avf_version.map
@@ -0,0 +1,4 @@ 
+DPDK_18.02 {
+
+	local: *;
+};
diff --git a/mk/rte.app.mk b/mk/rte.app.mk
index 6a6a745..584c168 100644
--- a/mk/rte.app.mk
+++ b/mk/rte.app.mk
@@ -120,6 +120,7 @@  _LDLIBS-$(CONFIG_RTE_DRIVER_MEMPOOL_STACK)  += -lrte_mempool_stack
 _LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_AF_PACKET)  += -lrte_pmd_af_packet
 _LDLIBS-$(CONFIG_RTE_LIBRTE_ARK_PMD)        += -lrte_pmd_ark
 _LDLIBS-$(CONFIG_RTE_LIBRTE_AVP_PMD)        += -lrte_pmd_avp
+_LDLIBS-$(CONFIG_RTE_LIBRTE_AVF_PMD)        += -lrte_pmd_avf
 _LDLIBS-$(CONFIG_RTE_LIBRTE_BNX2X_PMD)      += -lrte_pmd_bnx2x -lz
 _LDLIBS-$(CONFIG_RTE_LIBRTE_BNXT_PMD)       += -lrte_pmd_bnxt
 _LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_BOND)       += -lrte_pmd_bond