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[Xen-devel] [PATCH 2/6] net/xenvirt: remove



Signed-off-by: Jianfeng Tan <jianfeng.tan@xxxxxxxxx>
---
 MAINTAINERS                                     |   2 -
 app/test-pmd/Makefile                           |   4 -
 app/test-pmd/testpmd.c                          |  12 -
 config/common_base                              |   5 -
 config/defconfig_arm-armv7a-linuxapp-gcc        |   1 -
 doc/guides/nics/features/xenvirt.ini            |   6 -
 drivers/net/Makefile                            |   2 -
 drivers/net/xenvirt/Makefile                    |  57 --
 drivers/net/xenvirt/rte_eth_xenvirt.c           | 766 ------------------------
 drivers/net/xenvirt/rte_eth_xenvirt.h           |  61 --
 drivers/net/xenvirt/rte_eth_xenvirt_version.map |   7 -
 drivers/net/xenvirt/rte_mempool_gntalloc.c      | 295 ---------
 drivers/net/xenvirt/rte_xen_lib.c               | 454 --------------
 drivers/net/xenvirt/rte_xen_lib.h               | 116 ----
 drivers/net/xenvirt/virtio_logs.h               |  70 ---
 drivers/net/xenvirt/virtqueue.h                 | 273 ---------
 mk/rte.app.mk                                   |   1 -
 pkg/dpdk.spec                                   |   3 -
 18 files changed, 2135 deletions(-)
 delete mode 100644 doc/guides/nics/features/xenvirt.ini
 delete mode 100644 drivers/net/xenvirt/Makefile
 delete mode 100644 drivers/net/xenvirt/rte_eth_xenvirt.c
 delete mode 100644 drivers/net/xenvirt/rte_eth_xenvirt.h
 delete mode 100644 drivers/net/xenvirt/rte_eth_xenvirt_version.map
 delete mode 100644 drivers/net/xenvirt/rte_mempool_gntalloc.c
 delete mode 100644 drivers/net/xenvirt/rte_xen_lib.c
 delete mode 100644 drivers/net/xenvirt/rte_xen_lib.h
 delete mode 100644 drivers/net/xenvirt/virtio_logs.h
 delete mode 100644 drivers/net/xenvirt/virtqueue.h

diff --git a/MAINTAINERS b/MAINTAINERS
index fe6c6db..003e72e 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -194,9 +194,7 @@ M: Jianfeng Tan <jianfeng.tan@xxxxxxxxx>
 F: lib/librte_eal/linuxapp/xen_dom0/
 F: lib/librte_eal/linuxapp/eal/*xen*
 F: lib/librte_eal/linuxapp/eal/include/exec-env/rte_dom0_common.h
-F: drivers/net/xenvirt/
 F: doc/guides/xen/
-F: doc/guides/nics/features/xenvirt.ini
 
 FreeBSD EAL (with overlaps)
 M: Bruce Richardson <bruce.richardson@xxxxxxxxx>
diff --git a/app/test-pmd/Makefile b/app/test-pmd/Makefile
index c36be19..b6e80dd 100644
--- a/app/test-pmd/Makefile
+++ b/app/test-pmd/Makefile
@@ -77,10 +77,6 @@ ifeq ($(CONFIG_RTE_LIBRTE_BNXT_PMD),y)
 LDLIBS += -lrte_pmd_bnxt
 endif
 
-ifeq ($(CONFIG_RTE_LIBRTE_PMD_XENVIRT),y)
-LDLIBS += -lrte_pmd_xenvirt
-endif
-
 endif
 
 CFLAGS_cmdline.o := -D_GNU_SOURCE
diff --git a/app/test-pmd/testpmd.c b/app/test-pmd/testpmd.c
index 7d40139..f8d02ae 100644
--- a/app/test-pmd/testpmd.c
+++ b/app/test-pmd/testpmd.c
@@ -76,9 +76,6 @@
 #ifdef RTE_LIBRTE_IXGBE_PMD
 #include <rte_pmd_ixgbe.h>
 #endif
-#ifdef RTE_LIBRTE_PMD_XENVIRT
-#include <rte_eth_xenvirt.h>
-#endif
 #ifdef RTE_LIBRTE_PDUMP
 #include <rte_pdump.h>
 #endif
@@ -497,15 +494,6 @@ mbuf_pool_create(uint16_t mbuf_seg_size, unsigned nb_mbuf,
                "create a new mbuf pool <%s>: n=%u, size=%u, socket=%u\n",
                pool_name, nb_mbuf, mbuf_seg_size, socket_id);
 
-#ifdef RTE_LIBRTE_PMD_XENVIRT
-       rte_mp = rte_mempool_gntalloc_create(pool_name, nb_mbuf, mb_size,
-               (unsigned) mb_mempool_cache,
-               sizeof(struct rte_pktmbuf_pool_private),
-               rte_pktmbuf_pool_init, NULL,
-               rte_pktmbuf_init, NULL,
-               socket_id, 0);
-#endif
-
        /* if the former XEN allocation failed fall back to normal allocation */
        if (rte_mp == NULL) {
                if (mp_anon != 0) {
diff --git a/config/common_base b/config/common_base
index 5e97a08..93928b6 100644
--- a/config/common_base
+++ b/config/common_base
@@ -411,11 +411,6 @@ CONFIG_RTE_LIBRTE_AVP_DEBUG_BUFFERS=n
 CONFIG_RTE_LIBRTE_PMD_TAP=n
 
 #
-# Compile Xen PMD
-#
-CONFIG_RTE_LIBRTE_PMD_XENVIRT=n
-
-#
 # Compile null PMD
 #
 CONFIG_RTE_LIBRTE_PMD_NULL=y
diff --git a/config/defconfig_arm-armv7a-linuxapp-gcc 
b/config/defconfig_arm-armv7a-linuxapp-gcc
index 00bc2ab..6628567 100644
--- a/config/defconfig_arm-armv7a-linuxapp-gcc
+++ b/config/defconfig_arm-armv7a-linuxapp-gcc
@@ -76,7 +76,6 @@ CONFIG_RTE_LIBRTE_I40E_PMD=n
 CONFIG_RTE_LIBRTE_IXGBE_PMD=n
 CONFIG_RTE_LIBRTE_MLX4_PMD=n
 CONFIG_RTE_LIBRTE_VMXNET3_PMD=n
-CONFIG_RTE_LIBRTE_PMD_XENVIRT=n
 CONFIG_RTE_LIBRTE_PMD_BNX2X=n
 CONFIG_RTE_LIBRTE_QEDE_PMD=n
 CONFIG_RTE_LIBRTE_SFC_EFX_PMD=n
diff --git a/doc/guides/nics/features/xenvirt.ini 
b/doc/guides/nics/features/xenvirt.ini
deleted file mode 100644
index 8ab5f46..0000000
--- a/doc/guides/nics/features/xenvirt.ini
+++ /dev/null
@@ -1,6 +0,0 @@
-;
-; Supported features of the 'xenvirt' network poll mode driver.
-;
-; Refer to default.ini for the full list of available PMD features.
-;
-[Features]
diff --git a/drivers/net/Makefile b/drivers/net/Makefile
index d33c959..0e00cd1 100644
--- a/drivers/net/Makefile
+++ b/drivers/net/Makefile
@@ -97,8 +97,6 @@ DIRS-$(CONFIG_RTE_LIBRTE_VIRTIO_PMD) += virtio
 DEPDIRS-virtio = $(core-libs)
 DIRS-$(CONFIG_RTE_LIBRTE_VMXNET3_PMD) += vmxnet3
 DEPDIRS-vmxnet3 = $(core-libs)
-DIRS-$(CONFIG_RTE_LIBRTE_PMD_XENVIRT) += xenvirt
-DEPDIRS-xenvirt = $(core-libs) librte_cmdline
 
 ifeq ($(CONFIG_RTE_LIBRTE_KNI),y)
 DIRS-$(CONFIG_RTE_LIBRTE_PMD_KNI) += kni
diff --git a/drivers/net/xenvirt/Makefile b/drivers/net/xenvirt/Makefile
deleted file mode 100644
index 8b4b8f0..0000000
--- a/drivers/net/xenvirt/Makefile
+++ /dev/null
@@ -1,57 +0,0 @@
-#   BSD LICENSE
-#
-#   Copyright(c) 2010-2014 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 $(RTE_SDK)/mk/rte.vars.mk
-
-#
-# library name
-#
-LIB = librte_pmd_xenvirt.a
-
-CFLAGS += -O3
-CFLAGS += $(WERROR_FLAGS)
-LDLIBS += -lxenstore
-
-EXPORT_MAP := rte_eth_xenvirt_version.map
-
-LIBABIVER := 1
-
-#
-# all source are stored in SRCS-y
-#
-SRCS-$(CONFIG_RTE_LIBRTE_PMD_XENVIRT) += rte_eth_xenvirt.c 
rte_mempool_gntalloc.c rte_xen_lib.c
-
-#
-# Export include files
-#
-SYMLINK-y-include += rte_eth_xenvirt.h
-
-include $(RTE_SDK)/mk/rte.lib.mk
diff --git a/drivers/net/xenvirt/rte_eth_xenvirt.c 
b/drivers/net/xenvirt/rte_eth_xenvirt.c
deleted file mode 100644
index e404b77..0000000
--- a/drivers/net/xenvirt/rte_eth_xenvirt.c
+++ /dev/null
@@ -1,766 +0,0 @@
-/*-
- *   BSD LICENSE
- *
- *   Copyright(c) 2010-2015 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 <stdint.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/types.h>
-#include <sys/mman.h>
-#include <errno.h>
-#include <sys/user.h>
-#ifndef PAGE_SIZE
-#define PAGE_SIZE sysconf(_SC_PAGE_SIZE)
-#endif
-#include <linux/binfmts.h>
-#include <xen/xen-compat.h>
-#if __XEN_LATEST_INTERFACE_VERSION__ < 0x00040200
-#include <xs.h>
-#else
-#include <xenstore.h>
-#endif
-#include <linux/virtio_ring.h>
-
-#include <rte_mbuf.h>
-#include <rte_ethdev.h>
-#include <rte_malloc.h>
-#include <rte_memcpy.h>
-#include <rte_string_fns.h>
-#include <rte_vdev.h>
-#include <cmdline_parse.h>
-#include <cmdline_parse_etheraddr.h>
-
-#include "rte_xen_lib.h"
-#include "virtqueue.h"
-#include "rte_eth_xenvirt.h"
-
-#define VQ_DESC_NUM 256
-#define VIRTIO_MBUF_BURST_SZ 64
-
-/* virtio_idx is increased after new device is created.*/
-static int virtio_idx = 0;
-
-static struct rte_eth_link pmd_link = {
-               .link_speed = ETH_SPEED_NUM_10G,
-               .link_duplex = ETH_LINK_FULL_DUPLEX,
-               .link_status = ETH_LINK_DOWN,
-               .link_autoneg = ETH_LINK_SPEED_FIXED
-};
-
-static void
-eth_xenvirt_free_queues(struct rte_eth_dev *dev);
-
-static uint16_t
-eth_xenvirt_rx(void *q, struct rte_mbuf **rx_pkts, uint16_t nb_pkts)
-{
-       struct virtqueue *rxvq = q;
-       struct rte_mbuf *rxm, *new_mbuf;
-       uint16_t nb_used, num;
-       uint32_t len[VIRTIO_MBUF_BURST_SZ];
-       uint32_t i;
-       struct pmd_internals *pi = rxvq->internals;
-
-       nb_used = VIRTQUEUE_NUSED(rxvq);
-
-       rte_smp_rmb();
-       num = (uint16_t)(likely(nb_used <= nb_pkts) ? nb_used : nb_pkts);
-       num = (uint16_t)(likely(num <= VIRTIO_MBUF_BURST_SZ) ? num : 
VIRTIO_MBUF_BURST_SZ);
-       if (unlikely(num == 0)) return 0;
-
-       num = virtqueue_dequeue_burst(rxvq, rx_pkts, len, num);
-       PMD_RX_LOG(DEBUG, "used:%d dequeue:%d\n", nb_used, num);
-       for (i = 0; i < num ; i ++) {
-               rxm = rx_pkts[i];
-               PMD_RX_LOG(DEBUG, "packet len:%d\n", len[i]);
-               rxm->next = NULL;
-               rxm->data_off = RTE_PKTMBUF_HEADROOM;
-               rxm->data_len = (uint16_t)(len[i] - sizeof(struct 
virtio_net_hdr));
-               rxm->nb_segs = 1;
-               rxm->port = pi->port_id;
-               rxm->pkt_len  = (uint32_t)(len[i] - sizeof(struct 
virtio_net_hdr));
-       }
-       /* allocate new mbuf for the used descriptor */
-       while (likely(!virtqueue_full(rxvq))) {
-               new_mbuf = rte_mbuf_raw_alloc(rxvq->mpool);
-               if (unlikely(new_mbuf == NULL)) {
-                       break;
-               }
-               if (unlikely(virtqueue_enqueue_recv_refill(rxvq, new_mbuf))) {
-                       rte_pktmbuf_free_seg(new_mbuf);
-                       break;
-               }
-       }
-       pi->eth_stats.ipackets += num;
-       return num;
-}
-
-static uint16_t
-eth_xenvirt_tx(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts)
-{
-       struct virtqueue *txvq = tx_queue;
-       struct rte_mbuf *txm;
-       uint16_t nb_used, nb_tx, num, i;
-       int error;
-       uint32_t len[VIRTIO_MBUF_BURST_SZ];
-       struct rte_mbuf *snd_pkts[VIRTIO_MBUF_BURST_SZ];
-       struct pmd_internals *pi = txvq->internals;
-
-       nb_tx = 0;
-
-       if (unlikely(nb_pkts == 0))
-               return 0;
-
-       PMD_TX_LOG(DEBUG, "%d packets to xmit", nb_pkts);
-       nb_used = VIRTQUEUE_NUSED(txvq);
-
-       rte_smp_rmb();
-
-       num = (uint16_t)(likely(nb_used <= VIRTIO_MBUF_BURST_SZ) ? nb_used : 
VIRTIO_MBUF_BURST_SZ);
-       num = virtqueue_dequeue_burst(txvq, snd_pkts, len, num);
-
-       for (i = 0; i < num ; i ++) {
-               /* mergable not supported, one segment only */
-               rte_pktmbuf_free_seg(snd_pkts[i]);
-       }
-
-       while (nb_tx < nb_pkts) {
-               if (likely(!virtqueue_full(txvq))) {
-               /* TODO drop tx_pkts if it contains multiple segments */
-                       txm = tx_pkts[nb_tx];
-                       error = virtqueue_enqueue_xmit(txvq, txm);
-                       if (unlikely(error)) {
-                               if (error == ENOSPC)
-                                       PMD_TX_LOG(ERR, "virtqueue_enqueue Free 
count = 0\n");
-                               else if (error == EMSGSIZE)
-                                       PMD_TX_LOG(ERR, "virtqueue_enqueue Free 
count < 1\n");
-                               else
-                                       PMD_TX_LOG(ERR, "virtqueue_enqueue 
error: %d\n", error);
-                               break;
-                       }
-                       nb_tx++;
-               } else {
-                       PMD_TX_LOG(ERR, "No free tx descriptors to transmit\n");
-                       /* virtqueue_notify not needed in our para-virt 
solution */
-                       break;
-               }
-       }
-       pi->eth_stats.opackets += nb_tx;
-       return nb_tx;
-}
-
-static int
-eth_dev_configure(struct rte_eth_dev *dev __rte_unused)
-{
-       RTE_LOG(ERR, PMD, "%s\n", __func__);
-       return 0;
-}
-
-/*
- * Create a shared page between guest and host.
- * Host monitors this page if it is cleared on unmap, and then
- * do necessary clean up.
- */
-static void
-gntalloc_vring_flag(int vtidx)
-{
-       char key_str[PATH_MAX];
-       char val_str[PATH_MAX];
-       uint32_t gref_tmp;
-       void *ptr;
-
-       if (grefwatch_from_alloc(&gref_tmp, &ptr)) {
-               RTE_LOG(ERR, PMD, "grefwatch_from_alloc error\n");
-               exit(0);
-       }
-
-       *(uint8_t *)ptr = MAP_FLAG;
-       snprintf(val_str, sizeof(val_str), "%u", gref_tmp);
-       snprintf(key_str, sizeof(key_str),
-               DPDK_XENSTORE_PATH"%d"VRING_FLAG_STR, vtidx);
-       xenstore_write(key_str, val_str);
-}
-
-/*
- * Notify host this virtio device is started.
- * Host could start polling this device.
- */
-static void
-dev_start_notify(int vtidx)
-{
-       char key_str[PATH_MAX];
-       char val_str[PATH_MAX];
-
-       RTE_LOG(INFO, PMD, "%s: virtio %d is started\n", __func__, vtidx);
-       gntalloc_vring_flag(vtidx);
-
-       snprintf(key_str, sizeof(key_str), "%s%s%d",
-               DPDK_XENSTORE_PATH, EVENT_TYPE_START_STR,
-                       vtidx);
-       snprintf(val_str, sizeof(val_str), "1");
-       xenstore_write(key_str, val_str);
-}
-
-/*
- * Notify host this virtio device is stopped.
- * Host could stop polling this device.
- */
-static void
-dev_stop_notify(int vtidx)
-{
-       RTE_SET_USED(vtidx);
-}
-
-
-static int
-update_mac_address(struct ether_addr *mac_addrs, int vtidx)
-{
-       char key_str[PATH_MAX];
-       char val_str[PATH_MAX];
-       int rv;
-
-       if (mac_addrs == NULL) {
-               RTE_LOG(ERR, PMD, "%s: NULL pointer mac specified\n", __func__);
-               return -1;
-       }
-       rv = snprintf(key_str, sizeof(key_str),
-                       DPDK_XENSTORE_PATH"%d_ether_addr", vtidx);
-       if (rv == -1)
-               return rv;
-       rv = snprintf(val_str, sizeof(val_str), "%02x:%02x:%02x:%02x:%02x:%02x",
-                       mac_addrs->addr_bytes[0],
-                       mac_addrs->addr_bytes[1],
-                       mac_addrs->addr_bytes[2],
-                       mac_addrs->addr_bytes[3],
-                       mac_addrs->addr_bytes[4],
-                       mac_addrs->addr_bytes[5]);
-       if (rv == -1)
-               return rv;
-       if (xenstore_write(key_str, val_str))
-               return rv;
-       return 0;
-}
-
-
-static int
-eth_dev_start(struct rte_eth_dev *dev)
-{
-       struct virtqueue *rxvq = dev->data->rx_queues[0];
-       struct virtqueue *txvq = dev->data->tx_queues[0];
-       struct rte_mbuf *m;
-       struct pmd_internals *pi = (struct pmd_internals 
*)dev->data->dev_private;
-       int rv;
-
-       dev->data->dev_link.link_status = ETH_LINK_UP;
-       while (!virtqueue_full(rxvq)) {
-               m = rte_mbuf_raw_alloc(rxvq->mpool);
-               if (m == NULL)
-                       break;
-               /* Enqueue allocated buffers. */
-               if (virtqueue_enqueue_recv_refill(rxvq, m)) {
-                       rte_pktmbuf_free_seg(m);
-                       break;
-               }
-       }
-
-       rxvq->internals = pi;
-       txvq->internals = pi;
-
-       rv = update_mac_address(dev->data->mac_addrs, pi->virtio_idx);
-       if (rv)
-               return -1;
-       dev_start_notify(pi->virtio_idx);
-
-       return 0;
-}
-
-static void
-eth_dev_stop(struct rte_eth_dev *dev)
-{
-       struct pmd_internals *pi = (struct pmd_internals 
*)dev->data->dev_private;
-
-       dev->data->dev_link.link_status = ETH_LINK_DOWN;
-       dev_stop_notify(pi->virtio_idx);
-}
-
-/*
- * Notify host this virtio device is closed.
- * Host could do necessary clean up to this device.
- */
-static void
-eth_dev_close(struct rte_eth_dev *dev)
-{
-       eth_xenvirt_free_queues(dev);
-}
-
-static void
-eth_dev_info(struct rte_eth_dev *dev,
-               struct rte_eth_dev_info *dev_info)
-{
-       struct pmd_internals *internals = dev->data->dev_private;
-
-       RTE_SET_USED(internals);
-       dev_info->max_mac_addrs = 1;
-       dev_info->max_rx_pktlen = (uint32_t)2048;
-       dev_info->max_rx_queues = (uint16_t)1;
-       dev_info->max_tx_queues = (uint16_t)1;
-       dev_info->min_rx_bufsize = 0;
-}
-
-static void
-eth_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
-{
-       struct pmd_internals *internals = dev->data->dev_private;
-       if(stats)
-               rte_memcpy(stats, &internals->eth_stats, sizeof(*stats));
-}
-
-static void
-eth_stats_reset(struct rte_eth_dev *dev)
-{
-       struct pmd_internals *internals = dev->data->dev_private;
-       /* Reset software totals */
-       memset(&internals->eth_stats, 0, sizeof(internals->eth_stats));
-}
-
-static void
-eth_queue_release(void *q)
-{
-       rte_free(q);
-}
-
-static int
-eth_link_update(struct rte_eth_dev *dev __rte_unused,
-               int wait_to_complete __rte_unused)
-{
-       return 0;
-}
-
-/*
- * Create shared vring between guest and host.
- * Memory is allocated through grant alloc driver, so it is not physical 
continuous.
- */
-static void *
-gntalloc_vring_create(int queue_type, uint32_t size, int vtidx)
-{
-       char key_str[PATH_MAX] = {0};
-       char val_str[PATH_MAX] = {0};
-       void *va = NULL;
-       int pg_size;
-       uint32_t pg_num;
-       uint32_t *gref_arr = NULL;
-       phys_addr_t *pa_arr = NULL;
-       uint64_t start_index;
-       int rv;
-
-       pg_size = getpagesize();
-       size    = RTE_ALIGN_CEIL(size, pg_size);
-       pg_num  = size / pg_size;
-
-       gref_arr = calloc(pg_num, sizeof(gref_arr[0]));
-       pa_arr  = calloc(pg_num, sizeof(pa_arr[0]));
-
-       if (gref_arr == NULL || pa_arr == NULL) {
-               RTE_LOG(ERR, PMD, "%s: calloc failed\n", __func__);
-               goto out;
-       }
-
-       va  = gntalloc(size, gref_arr, &start_index);
-       if (va == NULL) {
-               RTE_LOG(ERR, PMD, "%s: gntalloc failed\n", __func__);
-               goto out;
-       }
-
-       if (get_phys_map(va, pa_arr, pg_num, pg_size))
-               goto out;
-
-       /* write in xenstore gref and pfn for each page of vring */
-       if (grant_node_create(pg_num, gref_arr, pa_arr, val_str, 
sizeof(val_str))) {
-               gntfree(va, size, start_index);
-               va = NULL;
-               goto out;
-       }
-
-       if (queue_type == VTNET_RQ)
-               rv = snprintf(key_str, sizeof(key_str), 
DPDK_XENSTORE_PATH"%d"RXVRING_XENSTORE_STR, vtidx);
-       else
-               rv = snprintf(key_str, sizeof(key_str), 
DPDK_XENSTORE_PATH"%d"TXVRING_XENSTORE_STR, vtidx);
-       if (rv == -1 || xenstore_write(key_str, val_str) == -1) {
-               gntfree(va, size, start_index);
-               va = NULL;
-       }
-out:
-       free(pa_arr);
-       free(gref_arr);
-
-       return va;
-}
-
-
-
-static struct virtqueue *
-virtio_queue_setup(struct rte_eth_dev *dev, int queue_type)
-{
-       struct virtqueue *vq = NULL;
-       uint16_t vq_size = VQ_DESC_NUM;
-       int i = 0;
-       char vq_name[VIRTQUEUE_MAX_NAME_SZ];
-       size_t size;
-       struct vring *vr;
-
-       /* Allocate memory for virtqueue. */
-       if (queue_type == VTNET_RQ) {
-               snprintf(vq_name, sizeof(vq_name), "port%d_rvq",
-                               dev->data->port_id);
-               vq = rte_zmalloc(vq_name, sizeof(struct virtqueue) +
-                       vq_size * sizeof(struct vq_desc_extra), 
RTE_CACHE_LINE_SIZE);
-               if (vq == NULL) {
-                       RTE_LOG(ERR, PMD, "%s: unabled to allocate 
virtqueue\n", __func__);
-                       return NULL;
-               }
-               memcpy(vq->vq_name, vq_name, sizeof(vq->vq_name));
-       } else if(queue_type == VTNET_TQ) {
-               snprintf(vq_name, sizeof(vq_name), "port%d_tvq",
-                       dev->data->port_id);
-               vq = rte_zmalloc(vq_name, sizeof(struct virtqueue) +
-                       vq_size * sizeof(struct vq_desc_extra), 
RTE_CACHE_LINE_SIZE);
-               if (vq == NULL) {
-                       RTE_LOG(ERR, PMD, "%s: unabled to allocate 
virtqueue\n", __func__);
-                       return NULL;
-               }
-               memcpy(vq->vq_name, vq_name, sizeof(vq->vq_name));
-       }
-
-       memcpy(vq->vq_name, vq_name, sizeof(vq->vq_name));
-
-       vq->vq_alignment = VIRTIO_PCI_VRING_ALIGN;
-       vq->vq_nentries = vq_size;
-       vq->vq_free_cnt = vq_size;
-       /* Calcuate vring size according to virtio spec */
-       size = vring_size(vq_size, VIRTIO_PCI_VRING_ALIGN);
-       vq->vq_ring_size = RTE_ALIGN_CEIL(size, VIRTIO_PCI_VRING_ALIGN);
-       /* Allocate memory for virtio vring through gntalloc driver*/
-       vq->vq_ring_virt_mem = gntalloc_vring_create(queue_type, 
vq->vq_ring_size,
-               ((struct pmd_internals *)dev->data->dev_private)->virtio_idx);
-       memset(vq->vq_ring_virt_mem, 0, vq->vq_ring_size);
-       vr = &vq->vq_ring;
-       vring_init(vr, vq_size, vq->vq_ring_virt_mem, vq->vq_alignment);
-       /*
-        * Locally maintained last consumed index, this idex trails
-        * vq_ring.used->idx.
-        */
-       vq->vq_used_cons_idx = 0;
-       vq->vq_desc_head_idx = 0;
-       vq->vq_free_cnt = vq->vq_nentries;
-       memset(vq->vq_descx, 0, sizeof(struct vq_desc_extra) * vq->vq_nentries);
-
-       /* Chain all the descriptors in the ring with an END */
-       for (i = 0; i < vq_size - 1; i++)
-               vr->desc[i].next = (uint16_t)(i + 1);
-       vr->desc[i].next = VQ_RING_DESC_CHAIN_END;
-
-       return vq;
-}
-
-static int
-eth_rx_queue_setup(struct rte_eth_dev *dev,uint16_t rx_queue_id,
-                               uint16_t nb_rx_desc __rte_unused,
-                               unsigned int socket_id __rte_unused,
-                               const struct rte_eth_rxconf *rx_conf 
__rte_unused,
-                               struct rte_mempool *mb_pool)
-{
-       struct virtqueue *vq;
-       vq = dev->data->rx_queues[rx_queue_id] = virtio_queue_setup(dev, 
VTNET_RQ);
-       vq->mpool = mb_pool;
-       return 0;
-}
-
-static int
-eth_tx_queue_setup(struct rte_eth_dev *dev, uint16_t tx_queue_id,
-                               uint16_t nb_tx_desc __rte_unused,
-                               unsigned int socket_id __rte_unused,
-                               const struct rte_eth_txconf *tx_conf 
__rte_unused)
-{
-       dev->data->tx_queues[tx_queue_id] = virtio_queue_setup(dev, VTNET_TQ);
-       return 0;
-}
-
-static void
-eth_xenvirt_free_queues(struct rte_eth_dev *dev)
-{
-       int i;
-
-       for (i = 0; i < dev->data->nb_rx_queues; i++) {
-               eth_queue_release(dev->data->rx_queues[i]);
-               dev->data->rx_queues[i] = NULL;
-       }
-       dev->data->nb_rx_queues = 0;
-
-       for (i = 0; i < dev->data->nb_tx_queues; i++) {
-               eth_queue_release(dev->data->tx_queues[i]);
-               dev->data->tx_queues[i] = NULL;
-       }
-       dev->data->nb_tx_queues = 0;
-}
-
-static const struct eth_dev_ops ops = {
-       .dev_start = eth_dev_start,
-       .dev_stop = eth_dev_stop,
-       .dev_close = eth_dev_close,
-       .dev_configure = eth_dev_configure,
-       .dev_infos_get = eth_dev_info,
-       .rx_queue_setup = eth_rx_queue_setup,
-       .tx_queue_setup = eth_tx_queue_setup,
-       .rx_queue_release = eth_queue_release,
-       .tx_queue_release = eth_queue_release,
-       .link_update = eth_link_update,
-       .stats_get = eth_stats_get,
-       .stats_reset = eth_stats_reset,
-};
-
-
-static int
-rte_eth_xenvirt_parse_args(struct xenvirt_dict *dict,
-                       const char *name, const char *params)
-{
-       int i;
-       char *pairs[RTE_ETH_XENVIRT_MAX_ARGS];
-       int num_of_pairs;
-       char *pair[2];
-       char *args;
-       int ret = -1;
-
-       if (params == NULL)
-               return 0;
-
-       args = rte_zmalloc(NULL, strlen(params) + 1, RTE_CACHE_LINE_SIZE);
-       if (args == NULL) {
-               RTE_LOG(ERR, PMD, "Couldn't parse %s device \n", name);
-               return -1;
-       }
-       rte_memcpy(args, params, strlen(params));
-
-       num_of_pairs = rte_strsplit(args, strnlen(args, MAX_ARG_STRLEN),
-                                       pairs,
-                                       RTE_ETH_XENVIRT_MAX_ARGS ,
-                                       RTE_ETH_XENVIRT_PAIRS_DELIM);
-
-       for (i = 0; i < num_of_pairs; i++) {
-               pair[0] = NULL;
-               pair[1] = NULL;
-               rte_strsplit(pairs[i], strnlen(pairs[i], MAX_ARG_STRLEN),
-                                       pair, 2,
-                                       RTE_ETH_XENVIRT_KEY_VALUE_DELIM);
-
-               if (pair[0] == NULL || pair[1] == NULL || pair[0][0] == 0
-                       || pair[1][0] == 0) {
-                       RTE_LOG(ERR, PMD,
-                               "Couldn't parse %s device,"
-                               "wrong key or value \n", name);
-                       goto err;
-               }
-
-               if (!strncmp(pair[0], RTE_ETH_XENVIRT_MAC_PARAM,
-                               sizeof(RTE_ETH_XENVIRT_MAC_PARAM))) {
-                       if (cmdline_parse_etheraddr(NULL,
-                                                   pair[1],
-                                                   &dict->addr,
-                                                   sizeof(dict->addr)) < 0) {
-                               RTE_LOG(ERR, PMD,
-                                       "Invalid %s device ether address\n",
-                                       name);
-                               goto err;
-                       }
-
-                       dict->addr_valid = 1;
-               }
-       }
-
-       ret = 0;
-err:
-       rte_free(args);
-       return ret;
-}
-
-enum dev_action {
-       DEV_CREATE,
-       DEV_ATTACH
-};
-
-static struct rte_vdev_driver pmd_xenvirt_drv;
-
-static int
-eth_dev_xenvirt_create(const char *name, const char *params,
-               const unsigned numa_node,
-                enum dev_action action)
-{
-       struct rte_eth_dev_data *data = NULL;
-       struct pmd_internals *internals = NULL;
-       struct rte_eth_dev *eth_dev = NULL;
-       struct xenvirt_dict dict;
-
-       memset(&dict, 0, sizeof(struct xenvirt_dict));
-
-       RTE_LOG(INFO, PMD, "Creating virtio rings backed ethdev on numa socket 
%u\n",
-                       numa_node);
-       RTE_SET_USED(action);
-
-       if (rte_eth_xenvirt_parse_args(&dict, name, params) < 0) {
-               RTE_LOG(ERR, PMD, "%s: Failed to parse ethdev parameters\n", 
__func__);
-               return -1;
-       }
-
-       /* now do all data allocation - for eth_dev structure, dummy pci driver
-        * and internal (private) data
-        */
-       data = rte_zmalloc_socket(name, sizeof(*data), 0, numa_node);
-       if (data == NULL)
-               goto err;
-
-       internals = rte_zmalloc_socket(name, sizeof(*internals), 0, numa_node);
-       if (internals == NULL)
-               goto err;
-
-       /* reserve an ethdev entry */
-       eth_dev = rte_eth_dev_allocate(name);
-       if (eth_dev == NULL)
-               goto err;
-
-       data->dev_private = internals;
-       data->port_id = eth_dev->data->port_id;
-       data->nb_rx_queues = (uint16_t)1;
-       data->nb_tx_queues = (uint16_t)1;
-       data->dev_link = pmd_link;
-       data->mac_addrs = rte_zmalloc("xen_virtio", ETHER_ADDR_LEN, 0);
-
-       if(dict.addr_valid)
-               memcpy(&data->mac_addrs->addr_bytes, &dict.addr, sizeof(struct 
ether_addr));
-       else
-               eth_random_addr(&data->mac_addrs->addr_bytes[0]);
-
-       eth_dev->data = data;
-       eth_dev->dev_ops = &ops;
-
-       eth_dev->data->dev_flags = RTE_ETH_DEV_DETACHABLE;
-       eth_dev->data->kdrv = RTE_KDRV_NONE;
-       eth_dev->data->numa_node = numa_node;
-
-       eth_dev->rx_pkt_burst = eth_xenvirt_rx;
-       eth_dev->tx_pkt_burst = eth_xenvirt_tx;
-
-       internals->virtio_idx = virtio_idx++;
-       internals->port_id = eth_dev->data->port_id;
-
-       return 0;
-
-err:
-       rte_free(data);
-       rte_free(internals);
-
-       return -1;
-}
-
-
-static int
-eth_dev_xenvirt_free(const char *name, const unsigned numa_node)
-{
-       struct rte_eth_dev *eth_dev = NULL;
-
-       RTE_LOG(DEBUG, PMD,
-               "Free virtio rings backed ethdev on numa socket %u\n",
-               numa_node);
-
-       /* find an ethdev entry */
-       eth_dev = rte_eth_dev_allocated(name);
-       if (eth_dev == NULL)
-               return -1;
-
-       if (eth_dev->data->dev_started == 1) {
-               eth_dev_stop(eth_dev);
-               eth_dev_close(eth_dev);
-       }
-
-       eth_dev->rx_pkt_burst = NULL;
-       eth_dev->tx_pkt_burst = NULL;
-       eth_dev->dev_ops = NULL;
-
-       rte_free(eth_dev->data);
-       rte_free(eth_dev->data->dev_private);
-       rte_free(eth_dev->data->mac_addrs);
-
-       virtio_idx--;
-
-       return 0;
-}
-
-/*TODO: Support multiple process model */
-static int
-rte_pmd_xenvirt_probe(struct rte_vdev_device *dev)
-{
-       if (virtio_idx == 0) {
-               if (xenstore_init() != 0) {
-                       RTE_LOG(ERR, PMD, "%s: xenstore init failed\n", 
__func__);
-                       return -1;
-               }
-               if (gntalloc_open() != 0) {
-                       RTE_LOG(ERR, PMD, "%s: grant init failed\n", __func__);
-                       return -1;
-               }
-       }
-       eth_dev_xenvirt_create(rte_vdev_device_name(dev),
-               rte_vdev_device_args(dev), rte_socket_id(), DEV_CREATE);
-       return 0;
-}
-
-static int
-rte_pmd_xenvirt_remove(struct rte_vdev_device *dev)
-{
-       eth_dev_xenvirt_free(rte_vdev_device_name(dev), rte_socket_id());
-
-       if (virtio_idx == 0) {
-               if (xenstore_uninit() != 0)
-                       RTE_LOG(ERR, PMD, "%s: xenstore uninit failed\n", 
__func__);
-
-               gntalloc_close();
-       }
-       return 0;
-}
-
-static struct rte_vdev_driver pmd_xenvirt_drv = {
-       .probe = rte_pmd_xenvirt_probe,
-       .remove = rte_pmd_xenvirt_remove,
-};
-
-RTE_PMD_REGISTER_VDEV(net_xenvirt, pmd_xenvirt_drv);
-RTE_PMD_REGISTER_ALIAS(net_xenvirt, eth_xenvirt);
-RTE_PMD_REGISTER_PARAM_STRING(net_xenvirt,
-       "mac=<mac addr>");
diff --git a/drivers/net/xenvirt/rte_eth_xenvirt.h 
b/drivers/net/xenvirt/rte_eth_xenvirt.h
deleted file mode 100644
index 598adc6..0000000
--- a/drivers/net/xenvirt/rte_eth_xenvirt.h
+++ /dev/null
@@ -1,61 +0,0 @@
-/*-
- *   BSD LICENSE
- *
- *   Copyright(c) 2010-2014 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 _RTE_ETH_XENVIRT_H_
-#define _RTE_ETH_XENVIRT_H_
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#include <rte_mempool.h>
-
-/**
- * Creates mempool for xen virtio PMD.
- * This function uses memzone_reserve to allocate memory for meta data,
- * and uses grant alloc driver to allocate memory for data area.
- * The input parameters are exactly the same as rte_mempool_create.
- */
-struct rte_mempool *
-rte_mempool_gntalloc_create(const char *name, unsigned elt_num, unsigned 
elt_size,
-                  unsigned cache_size, unsigned private_data_size,
-                  rte_mempool_ctor_t *mp_init, void *mp_init_arg,
-                  rte_mempool_obj_cb_t *obj_init, void *obj_init_arg,
-                  int socket_id, unsigned flags);
-
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif
diff --git a/drivers/net/xenvirt/rte_eth_xenvirt_version.map 
b/drivers/net/xenvirt/rte_eth_xenvirt_version.map
deleted file mode 100644
index dd636f7..0000000
--- a/drivers/net/xenvirt/rte_eth_xenvirt_version.map
+++ /dev/null
@@ -1,7 +0,0 @@
-DPDK_2.0 {
-       global:
-
-       rte_mempool_gntalloc_create;
-
-       local: *;
-};
diff --git a/drivers/net/xenvirt/rte_mempool_gntalloc.c 
b/drivers/net/xenvirt/rte_mempool_gntalloc.c
deleted file mode 100644
index 73e82f8..0000000
--- a/drivers/net/xenvirt/rte_mempool_gntalloc.c
+++ /dev/null
@@ -1,295 +0,0 @@
-/*-
- *   BSD LICENSE
- *
- *   Copyright(c) 2010-2014 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 <stdint.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <sys/mman.h>
-#include <sys/ioctl.h>
-#include <string.h>
-#include <xen/sys/gntalloc.h>
-
-#include <rte_common.h>
-#include <rte_mempool.h>
-#include <rte_memory.h>
-#include <rte_errno.h>
-
-#include "rte_xen_lib.h"
-#include "rte_eth_xenvirt.h"
-
-struct _gntarr {
-       uint32_t gref;
-       phys_addr_t pa;
-       uint64_t index;
-       void *va;
-};
-
-struct _mempool_gntalloc_info {
-       struct rte_mempool *mp;
-       uint32_t pg_num;
-       uint32_t *gref_arr;
-       phys_addr_t *pa_arr;
-       void *va;
-       uint32_t mempool_idx;
-       uint64_t start_index;
-};
-
-
-static rte_atomic32_t global_xenvirt_mempool_idx = RTE_ATOMIC32_INIT(-1);
-
-static int
-compare(const void *p1, const void *p2)
-{
-       return ((const struct _gntarr *)p1)->pa  - ((const struct _gntarr 
*)p2)->pa;
-}
-
-
-static struct _mempool_gntalloc_info
-_create_mempool(const char *name, unsigned elt_num, unsigned elt_size,
-                  unsigned cache_size, unsigned private_data_size,
-                  rte_mempool_ctor_t *mp_init, void *mp_init_arg,
-                  rte_mempool_obj_cb_t *obj_init, void *obj_init_arg,
-                  int socket_id, unsigned flags)
-{
-       struct _mempool_gntalloc_info mgi;
-       struct rte_mempool *mp = NULL;
-       struct rte_mempool_objsz  objsz;
-       uint32_t pg_num, rpg_num, pg_shift, pg_sz;
-       char *va, *orig_va, *uv; /* uv: from which, the pages could be freed */
-       ssize_t sz, usz; /* usz: unused size */
-       /*
-        * for each page allocated through xen_gntalloc driver,
-        * gref_arr:stores grant references,
-        * pa_arr: stores physical address,
-        * gnt_arr: stores all meta dat
-        */
-       uint32_t *gref_arr = NULL;
-       phys_addr_t *pa_arr = NULL;
-       struct _gntarr *gnt_arr = NULL;
-       /* start index of the grant referances, used for dealloc*/
-       uint64_t start_index;
-       uint32_t i, j;
-       int rv = 0;
-       struct ioctl_gntalloc_dealloc_gref arg;
-
-       mgi.mp = NULL;
-       va = orig_va = uv = NULL;
-       pg_num = rpg_num = 0;
-       sz = 0;
-
-       pg_sz = getpagesize();
-       if (rte_is_power_of_2(pg_sz) == 0) {
-               goto out;
-       }
-       pg_shift = rte_bsf32(pg_sz);
-
-       rte_mempool_calc_obj_size(elt_size, flags, &objsz);
-       sz = rte_mempool_xmem_size(elt_num, objsz.total_size, pg_shift);
-       pg_num = sz >> pg_shift;
-
-       pa_arr = calloc(pg_num, sizeof(pa_arr[0]));
-       gref_arr = calloc(pg_num, sizeof(gref_arr[0]));
-       gnt_arr  = calloc(pg_num, sizeof(gnt_arr[0]));
-       if ((gnt_arr == NULL) || (gref_arr == NULL) || (pa_arr == NULL))
-               goto out;
-
-       /* grant index is continuous in ascending order */
-       orig_va = gntalloc(sz, gref_arr, &start_index);
-       if (orig_va == NULL)
-               goto out;
-
-       get_phys_map(orig_va, pa_arr, pg_num, pg_sz);
-       for (i = 0; i < pg_num; i++) {
-               gnt_arr[i].index = start_index + i * pg_sz;
-               gnt_arr[i].gref = gref_arr[i];
-               gnt_arr[i].pa = pa_arr[i];
-               gnt_arr[i].va  = RTE_PTR_ADD(orig_va, i * pg_sz);
-       }
-       qsort(gnt_arr, pg_num, sizeof(struct _gntarr), compare);
-
-       va = get_xen_virtual(sz, pg_sz);
-       if (va == NULL) {
-               goto out;
-       }
-
-       /*
-        * map one by one, as index isn't continuous now.
-        * pg_num VMAs, doesn't linux has a limitation on this?
-        */
-       for (i = 0; i < pg_num; i++) {
-       /* update gref_arr and pa_arr after sort */
-               gref_arr[i] = gnt_arr[i].gref;
-               pa_arr[i]   = gnt_arr[i].pa;
-               gnt_arr[i].va = mmap(va + i * pg_sz, pg_sz, PROT_READ | 
PROT_WRITE,
-                       MAP_SHARED | MAP_FIXED, gntalloc_fd, gnt_arr[i].index);
-               if ((gnt_arr[i].va == MAP_FAILED) || (gnt_arr[i].va != (va + i 
* pg_sz))) {
-                       RTE_LOG(ERR, PMD, "failed to map %d pages\n", i);
-                       goto mmap_failed;
-               }
-       }
-
-       /*
-        * Check that allocated size is big enough to hold elt_num
-        * objects and a calcualte how many bytes are actually required.
-        */
-       usz = rte_mempool_xmem_usage(va, elt_num, objsz.total_size, pa_arr, 
pg_num, pg_shift);
-       if (usz < 0) {
-               mp = NULL;
-               i = pg_num;
-               goto mmap_failed;
-       } else {
-               /* unmap unused pages if any */
-               uv = RTE_PTR_ADD(va, usz);
-               if ((usz = va + sz - uv) > 0) {
-
-                       RTE_LOG(ERR, PMD,
-                               "%s(%s): unmap unused %zu of %zu "
-                               "mmaped bytes @%p orig:%p\n",
-                               __func__, name, usz, sz, uv, va);
-                       munmap(uv, usz);
-                       i = (sz - usz) / pg_sz;
-                       for (; i < pg_num; i++) {
-                               arg.count = 1;
-                               arg.index = gnt_arr[i].index;
-                               rv = ioctl(gntalloc_fd, 
IOCTL_GNTALLOC_DEALLOC_GREF, &arg);
-                               if (rv) {
-                                       /* shouldn't fail here */
-                                       RTE_LOG(ERR, PMD, "va=%p pa=%"PRIu64"x 
index=%"PRIu64" %s\n",
-                                               gnt_arr[i].va,
-                                               gnt_arr[i].pa,
-                                               arg.index, strerror(errno));
-                                       rte_panic("gntdealloc failed when 
freeing pages\n");
-                               }
-                       }
-
-                       rpg_num = (sz - usz) >> pg_shift;
-               } else
-                       rpg_num = pg_num;
-
-               mp = rte_mempool_xmem_create(name, elt_num, elt_size,
-                               cache_size, private_data_size,
-                               mp_init, mp_init_arg,
-                               obj_init, obj_init_arg,
-                               socket_id, flags, va, pa_arr, rpg_num, 
pg_shift);
-
-               RTE_ASSERT(elt_num == mp->size);
-       }
-       mgi.mp = mp;
-       mgi.pg_num = rpg_num;
-       mgi.gref_arr = gref_arr;
-       mgi.pa_arr = pa_arr;
-       if (mp)
-               mgi.mempool_idx = 
rte_atomic32_add_return(&global_xenvirt_mempool_idx, 1);
-       mgi.start_index = start_index;
-       mgi.va = va;
-
-       if (mp == NULL) {
-               i = pg_num;
-               goto mmap_failed;
-       }
-
-/*
- * unmap only, without deallocate grant reference.
- * unused pages have already been unmaped,
- * unmap twice will fail, but it is safe.
- */
-mmap_failed:
-       for (j = 0; j < i; j++) {
-               if (gnt_arr[i].va)
-                       munmap(gnt_arr[i].va, pg_sz);
-       }
-out:
-       free(gnt_arr);
-       if (orig_va)
-               munmap(orig_va, sz);
-       if (mp == NULL) {
-               free(gref_arr);
-               free(pa_arr);
-
-               /* some gref has already been de-allocated from the list in the 
driver,
-                * so dealloc one by one, and it is safe to deallocate twice
-                */
-               if (orig_va) {
-                       for (i = 0; i < pg_num; i++) {
-                               arg.index = start_index + i * pg_sz;
-                               rv = ioctl(gntalloc_fd, 
IOCTL_GNTALLOC_DEALLOC_GREF, arg);
-                       }
-               }
-       }
-       return mgi;
-}
-
-struct rte_mempool *
-rte_mempool_gntalloc_create(const char *name, unsigned elt_num, unsigned 
elt_size,
-                  unsigned cache_size, unsigned private_data_size,
-                  rte_mempool_ctor_t *mp_init, void *mp_init_arg,
-                  rte_mempool_obj_cb_t *obj_init, void *obj_init_arg,
-                  int socket_id, unsigned flags)
-{
-       int rv;
-       uint32_t i;
-       struct _mempool_gntalloc_info mgi;
-       struct ioctl_gntalloc_dealloc_gref arg;
-       int pg_sz = getpagesize();
-
-       mgi = _create_mempool(name, elt_num, elt_size,
-                       cache_size, private_data_size,
-                       mp_init, mp_init_arg,
-                       obj_init, obj_init_arg,
-                       socket_id, flags);
-       if (mgi.mp) {
-               rv = grant_gntalloc_mbuf_pool(mgi.mp,
-                       mgi.pg_num,
-                       mgi.gref_arr,
-                       mgi.pa_arr,
-                       mgi.mempool_idx);
-               free(mgi.gref_arr);
-               free(mgi.pa_arr);
-               if (rv == 0)
-                       return mgi.mp;
-               /*
-                * in _create_mempool, unused pages have already been unmapped, 
deallocagted
-                * unmap and dealloc the remained ones here.
-                */
-               munmap(mgi.va, pg_sz * mgi.pg_num);
-               for (i = 0; i < mgi.pg_num; i++) {
-                       arg.index = mgi.start_index + i * pg_sz;
-                       rv = ioctl(gntalloc_fd, IOCTL_GNTALLOC_DEALLOC_GREF, 
arg);
-               }
-               return NULL;
-       }
-       return NULL;
-
-
-
-}
diff --git a/drivers/net/xenvirt/rte_xen_lib.c 
b/drivers/net/xenvirt/rte_xen_lib.c
deleted file mode 100644
index 6c9a1d4..0000000
--- a/drivers/net/xenvirt/rte_xen_lib.c
+++ /dev/null
@@ -1,454 +0,0 @@
-/*-
- *   BSD LICENSE
- *
- *   Copyright(c) 2010-2015 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 <stdint.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <string.h>
-#include <sys/types.h>
-#include <fcntl.h>
-#include <sys/mman.h>
-#include <sys/ioctl.h>
-#include <xen/xen-compat.h>
-#if __XEN_LATEST_INTERFACE_VERSION__ < 0x00040200
-#include <xs.h>
-#else
-#include <xenstore.h>
-#endif
-#include <xen/sys/gntalloc.h>
-
-#include <rte_common.h>
-#include <rte_string_fns.h>
-#include <rte_malloc.h>
-
-#include "rte_xen_lib.h"
-
-/*
- * The grant node format in xenstore for vring/mpool is:
- * 0_rx_vring_gref = "gref1#, gref2#, gref3#"
- * 0_mempool_gref  = "gref1#, gref2#, gref3#"
- * each gref# is a grant reference for a shared page.
- * In each shared page, we store the grant_node_item items.
- */
-struct grant_node_item {
-       uint32_t gref;
-       uint32_t pfn;
-} __attribute__((packed));
-
-/* fd for xen_gntalloc driver, used to allocate grant pages*/
-int gntalloc_fd = -1;
-
-/* xenstore path for local domain, now it is '/local/domain/domid/' */
-static char *dompath = NULL;
-/* handle to xenstore read/write operations */
-static struct xs_handle *xs = NULL;
-/* flag to indicate if xenstore cleanup is required */
-static bool is_xenstore_cleaned_up;
-
-/*
- * Reserve a virtual address space.
- * On success, returns the pointer. On failure, returns NULL.
- */
-void *
-get_xen_virtual(size_t size, size_t page_sz)
-{
-       void *addr;
-       uintptr_t aligned_addr;
-
-       addr = mmap(NULL, size + page_sz, PROT_READ, MAP_SHARED | 
MAP_ANONYMOUS, -1, 0);
-       if (addr == MAP_FAILED) {
-               RTE_LOG(ERR, PMD, "failed get a virtual area\n");
-               return NULL;
-       }
-
-       aligned_addr = RTE_ALIGN_CEIL((uintptr_t)addr, page_sz);
-       addr = (void *)(aligned_addr);
-
-       return addr;
-}
-
-/*
- * Get the physical address for virtual memory starting at va.
- */
-int
-get_phys_map(void *va, phys_addr_t pa[], uint32_t pg_num, uint32_t pg_sz)
-{
-       int32_t fd, rc = 0;
-       uint32_t i, nb;
-       off_t ofs;
-
-       ofs = (uintptr_t)va / pg_sz * sizeof(*pa);
-       nb = pg_num * sizeof(*pa);
-
-       if ((fd = open(PAGEMAP_FNAME, O_RDONLY)) < 0 ||
-                       (rc = pread(fd, pa, nb, ofs)) < 0 ||
-                       (rc -= nb) != 0) {
-               RTE_LOG(ERR, PMD, "%s: failed read of %u bytes from \'%s\' "
-                       "at offset %lu, error code: %d\n",
-                       __func__, nb, PAGEMAP_FNAME, (unsigned long)ofs, errno);
-               rc = ENOENT;
-       }
-
-       close(fd);
-       for (i = 0; i != pg_num; i++)
-               pa[i] = (pa[i] & PAGEMAP_PFN_MASK) * pg_sz;
-
-       return rc;
-}
-
-int
-gntalloc_open(void)
-{
-       gntalloc_fd = open(XEN_GNTALLOC_FNAME, O_RDWR);
-       return (gntalloc_fd != -1) ? 0 : -1;
-}
-
-void
-gntalloc_close(void)
-{
-       if (gntalloc_fd != -1)
-               close(gntalloc_fd);
-       gntalloc_fd = -1;
-}
-
-void *
-gntalloc(size_t size, uint32_t *gref, uint64_t *start_index)
-{
-       int page_size = getpagesize();
-       uint32_t i, pg_num;
-       void *va;
-       int rv;
-       struct ioctl_gntalloc_alloc_gref *arg;
-       struct ioctl_gntalloc_dealloc_gref arg_d;
-
-       if (size % page_size) {
-               RTE_LOG(ERR, PMD, "%s: %zu isn't multiple of page size\n",
-                       __func__, size);
-               return NULL;
-       }
-
-       pg_num = size / page_size;
-       arg = malloc(sizeof(*arg) + (pg_num - 1) * sizeof(uint32_t));
-       if (arg == NULL)
-               return NULL;
-       arg->domid = DOM0_DOMID;
-       arg->flags = GNTALLOC_FLAG_WRITABLE;
-       arg->count = pg_num;
-
-       rv = ioctl(gntalloc_fd, IOCTL_GNTALLOC_ALLOC_GREF, arg);
-       if (rv) {
-               RTE_LOG(ERR, PMD, "%s: ioctl error\n", __func__);
-               free(arg);
-               return NULL;
-       }
-
-       va = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, gntalloc_fd, 
arg->index);
-       if (va == MAP_FAILED) {
-               RTE_LOG(ERR, PMD, "%s: mmap failed\n", __func__);
-               arg_d.count = pg_num;
-               arg_d.index = arg->index;
-               ioctl(gntalloc_fd, IOCTL_GNTALLOC_DEALLOC_GREF, arg_d);
-               free(arg);
-               return NULL;
-       }
-
-       if (gref) {
-               for (i = 0; i < pg_num; i++) {
-                       gref[i] = arg->gref_ids[i];
-               }
-       }
-       if (start_index)
-               *start_index = arg->index;
-
-       free(arg);
-
-       return va;
-}
-
-int
-grefwatch_from_alloc(uint32_t *gref, void **pptr)
-{
-       int rv;
-       void *ptr;
-       int pg_size = getpagesize();
-       struct ioctl_gntalloc_alloc_gref arg = {
-               .domid = DOM0_DOMID,
-               .flags = GNTALLOC_FLAG_WRITABLE,
-               .count = 1
-       };
-       struct ioctl_gntalloc_dealloc_gref arg_d;
-       struct ioctl_gntalloc_unmap_notify notify = {
-               .action = UNMAP_NOTIFY_CLEAR_BYTE
-       };
-
-       rv = ioctl(gntalloc_fd, IOCTL_GNTALLOC_ALLOC_GREF, &arg);
-       if (rv) {
-               RTE_LOG(ERR, PMD, "%s: ioctl error\n", __func__);
-               return -1;
-       }
-
-       ptr = (void *)mmap(NULL, pg_size, PROT_READ|PROT_WRITE, MAP_SHARED, 
gntalloc_fd, arg.index);
-       arg_d.index = arg.index;
-       arg_d.count = 1;
-       if (ptr == MAP_FAILED) {
-               RTE_LOG(ERR, PMD, "%s: mmap failed\n", __func__);
-               ioctl(gntalloc_fd, IOCTL_GNTALLOC_DEALLOC_GREF, &arg_d);
-               return -1;
-       }
-       if (pptr)
-               *pptr = ptr;
-       if (gref)
-               *gref = arg.gref_ids[0];
-
-       notify.index = arg.index;
-       rv = ioctl(gntalloc_fd, IOCTL_GNTALLOC_SET_UNMAP_NOTIFY, &notify);
-       if (rv) {
-               RTE_LOG(ERR, PMD, "%s: unmap notify failed\n", __func__);
-               munmap(ptr, pg_size);
-               ioctl(gntalloc_fd, IOCTL_GNTALLOC_DEALLOC_GREF, &arg_d);
-               return -1;
-       }
-
-       return 0;
-}
-
-void
-gntfree(void *va, size_t sz, uint64_t start_index)
-{
-       struct ioctl_gntalloc_dealloc_gref arg_d;
-
-       if (va && sz) {
-               munmap(va, sz);
-               arg_d.count = sz / getpagesize();
-               arg_d.index = start_index;
-               ioctl(gntalloc_fd, IOCTL_GNTALLOC_DEALLOC_GREF, &arg_d);
-       }
-}
-
-static int
-xenstore_cleanup(void)
-{
-       char store_path[PATH_MAX] = {0};
-
-       if (snprintf(store_path, sizeof(store_path),
-               "%s%s", dompath, DPDK_XENSTORE_NODE) == -1)
-               return -1;
-
-       if (xs_rm(xs, XBT_NULL, store_path) == false) {
-               RTE_LOG(ERR, PMD, "%s: failed cleanup node\n", __func__);
-               return -1;
-       }
-
-       return 0;
-}
-
-int
-xenstore_init(void)
-{
-       unsigned int len, domid;
-       char *buf;
-       char *end;
-
-       xs = xs_domain_open();
-       if (xs == NULL) {
-               RTE_LOG(ERR, PMD,"%s: xs_domain_open failed\n", __func__);
-               return -1;
-       }
-       buf = xs_read(xs, XBT_NULL, "domid", &len);
-       if (buf == NULL) {
-               RTE_LOG(ERR, PMD, "%s: failed read domid\n", __func__);
-               return -1;
-       }
-       errno = 0;
-       domid = strtoul(buf, &end, 0);
-       if (errno != 0 || end == NULL || end == buf ||  domid == 0)
-               return -1;
-
-       RTE_LOG(INFO, PMD, "retrieved dom ID = %d\n", domid);
-
-       dompath = xs_get_domain_path(xs, domid);
-       if (dompath == NULL)
-               return -1;
-
-       xs_transaction_start(xs); /* When to stop transaction */
-
-       if (is_xenstore_cleaned_up == 0) {
-               if (xenstore_cleanup())
-                       return -1;
-               is_xenstore_cleaned_up = 1;
-       }
-
-       return 0;
-}
-
-int
-xenstore_uninit(void)
-{
-       xs_close(xs);
-
-       if (is_xenstore_cleaned_up == 0) {
-               if (xenstore_cleanup())
-                       return -1;
-               is_xenstore_cleaned_up = 1;
-       }
-       free(dompath);
-       dompath = NULL;
-
-       return 0;
-}
-
-int
-xenstore_write(const char *key_str, const char *val_str)
-{
-       char grant_path[PATH_MAX];
-       int rv, len;
-
-       if (xs == NULL) {
-               RTE_LOG(ERR, PMD, "%s: xenstore init failed\n", __func__);
-               return -1;
-       }
-       rv = snprintf(grant_path, sizeof(grant_path), "%s%s", dompath, key_str);
-       if (rv == -1) {
-               RTE_LOG(ERR, PMD, "%s: snprintf %s %s failed\n",
-                       __func__, dompath, key_str);
-               return -1;
-       }
-       len = strnlen(val_str, PATH_MAX);
-
-       if (xs_write(xs, XBT_NULL, grant_path, val_str, len) == false) {
-               RTE_LOG(ERR, PMD, "%s: xs_write failed\n", __func__);
-               return -1;
-       }
-
-       return 0;
-}
-
-int
-grant_node_create(uint32_t pg_num, uint32_t *gref_arr, phys_addr_t *pa_arr, 
char *val_str, size_t str_size)
-{
-       uint64_t start_index;
-       int pg_size;
-       uint32_t pg_shift;
-       void *ptr = NULL;
-       uint32_t count, entries_per_pg;
-       uint32_t i, j = 0, k = 0;
-       uint32_t *gref_tmp;
-       int first = 1;
-       char tmp_str[PATH_MAX] = {0};
-       int rv = -1;
-
-       pg_size = getpagesize();
-       if (rte_is_power_of_2(pg_size) == 0) {
-               return -1;
-       }
-       pg_shift = rte_bsf32(pg_size);
-       if (pg_size % sizeof(struct grant_node_item)) {
-               RTE_LOG(ERR, PMD, "pg_size isn't a multiple of grant node 
item\n");
-               return -1;
-       }
-
-       entries_per_pg = pg_size / sizeof(struct grant_node_item);
-       count  = (pg_num +  entries_per_pg - 1 ) / entries_per_pg;
-       gref_tmp = malloc(count * sizeof(uint32_t));
-       if (gref_tmp == NULL)
-               return -1;
-       ptr = gntalloc(pg_size * count, gref_tmp, &start_index);
-       if (ptr == NULL) {
-               RTE_LOG(ERR, PMD, "%s: gntalloc error of %d pages\n", __func__, 
count);
-               free(gref_tmp);
-               return -1;
-       }
-
-       while (j < pg_num) {
-               if (first) {
-                       rv = snprintf(val_str, str_size, "%u", gref_tmp[k]);
-                       first = 0;
-               } else {
-                       snprintf(tmp_str, PATH_MAX, "%s", val_str);
-                       rv = snprintf(val_str, str_size, "%s,%u", tmp_str, 
gref_tmp[k]);
-               }
-               k++;
-               if (rv == -1)
-                       break;
-
-               for (i = 0; i < entries_per_pg && j < pg_num ; i++) {
-                       ((struct grant_node_item *)ptr)->gref = gref_arr[j];
-                       ((struct grant_node_item *)ptr)->pfn =  pa_arr[j] >> 
pg_shift;
-                       ptr = RTE_PTR_ADD(ptr, sizeof(struct grant_node_item));
-                       j++;
-               }
-       }
-       if (rv == -1) {
-               gntfree(ptr, pg_size * count, start_index);
-       } else
-               rv = 0;
-       free(gref_tmp);
-       return rv;
-}
-
-
-int
-grant_gntalloc_mbuf_pool(struct rte_mempool *mpool, uint32_t pg_num, uint32_t 
*gref_arr, phys_addr_t *pa_arr, int mempool_idx)
-{
-       char key_str[PATH_MAX] = {0};
-       char val_str[PATH_MAX] = {0};
-       void *mempool_obj_va;
-
-       if (grant_node_create(pg_num, gref_arr, pa_arr, val_str, 
sizeof(val_str))) {
-               return -1;
-       }
-
-       if (snprintf(key_str, sizeof(key_str),
-               DPDK_XENSTORE_PATH"%d"MEMPOOL_XENSTORE_STR, mempool_idx) == -1)
-               return -1;
-       if (xenstore_write(key_str, val_str) == -1)
-               return -1;
-
-       if (snprintf(key_str, sizeof(key_str),
-               DPDK_XENSTORE_PATH"%d"MEMPOOL_VA_XENSTORE_STR, mempool_idx) == 
-1)
-               return -1;
-       if (mpool->nb_mem_chunks != 1) {
-               RTE_LOG(ERR, PMD,
-                       "mempool with more than 1 chunk is not supported\n");
-               return -1;
-       }
-       mempool_obj_va = STAILQ_FIRST(&mpool->mem_list)->addr;
-       if (snprintf(val_str, sizeof(val_str), "%"PRIxPTR,
-                       (uintptr_t)mempool_obj_va) == -1)
-               return -1;
-       if (xenstore_write(key_str, val_str) == -1)
-               return -1;
-
-       return 0;
-}
diff --git a/drivers/net/xenvirt/rte_xen_lib.h 
b/drivers/net/xenvirt/rte_xen_lib.h
deleted file mode 100644
index d973eac..0000000
--- a/drivers/net/xenvirt/rte_xen_lib.h
+++ /dev/null
@@ -1,116 +0,0 @@
-/*-
- *   BSD LICENSE
- *
- *   Copyright(c) 2010-2015 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 _RTE_XEN_DUMMY_PMD_H
-#define _RTE_XEN_DUMMY_PMD_H
-
-#include <stdint.h>
-
-#include <rte_common.h>
-#include <rte_mempool.h>
-#include <rte_ether.h>
-
-#define        PAGEMAP_FNAME           "/proc/self/pagemap"
-#define XEN_GNTALLOC_FNAME      "/dev/xen/gntalloc"
-#define DPDK_XENSTORE_PATH      "/control/dpdk/"
-#define DPDK_XENSTORE_NODE      "/control/dpdk"
-/*format 0_mempool_gref = "1537,1524,1533" */
-#define MEMPOOL_XENSTORE_STR    "_mempool_gref"
-/*format 0_mempool_va = 0x80340000 */
-#define MEMPOOL_VA_XENSTORE_STR "_mempool_va"
-/*format 0_rx_vring_gref  = "1537,1524,1533" */
-#define RXVRING_XENSTORE_STR    "_rx_vring_gref"
-/*format 0_tx_vring_gref  = "1537,1524,1533" */
-#define TXVRING_XENSTORE_STR    "_tx_vring_gref"
-#define VRING_FLAG_STR          "_vring_flag"
-/*format: event_type_start_0 = 1*/
-#define EVENT_TYPE_START_STR    "event_type_start_"
-
-#define DOM0_DOMID 0
-/*
- * the pfn (page frame number) are bits 0-54 (see pagemap.txt in linux
- * Documentation).
- */
-#define PAGEMAP_PFN_BITS       54
-#define PAGEMAP_PFN_MASK       RTE_LEN2MASK(PAGEMAP_PFN_BITS, phys_addr_t)
-
-#define MAP_FLAG       0xA5
-
-#define RTE_ETH_XENVIRT_PAIRS_DELIM ';'
-#define RTE_ETH_XENVIRT_KEY_VALUE_DELIM '='
-#define RTE_ETH_XENVIRT_MAX_ARGS 1
-#define RTE_ETH_XENVIRT_MAC_PARAM "mac"
-struct xenvirt_dict {
-       uint8_t addr_valid;
-       struct ether_addr addr;
-};
-
-extern int gntalloc_fd;
-
-int
-gntalloc_open(void);
-
-void
-gntalloc_close(void);
-
-void *
-gntalloc(size_t sz, uint32_t *gref, uint64_t *start_index);
-
-void
-gntfree(void *va, size_t sz, uint64_t start_index);
-
-int
-xenstore_init(void);
-
-int
-xenstore_uninit(void);
-
-int
-xenstore_write(const char *key_str, const char *val_str);
-
-int
-get_phys_map(void *va, phys_addr_t pa[], uint32_t pg_num, uint32_t pg_sz);
-
-void *
-get_xen_virtual(size_t size, size_t page_sz);
-
-int
-grefwatch_from_alloc(uint32_t *gref, void **pptr);
-
-
-int grant_node_create(uint32_t pg_num, uint32_t *gref_arr, phys_addr_t 
*pa_arr, char *val_str, size_t str_size);
-
-int
-grant_gntalloc_mbuf_pool(struct rte_mempool *mpool, uint32_t pg_num, uint32_t 
*gref_arr, phys_addr_t *pa_arr, int mempool_idx);
-
-#endif
diff --git a/drivers/net/xenvirt/virtio_logs.h 
b/drivers/net/xenvirt/virtio_logs.h
deleted file mode 100644
index d6c33f7..0000000
--- a/drivers/net/xenvirt/virtio_logs.h
+++ /dev/null
@@ -1,70 +0,0 @@
-/*-
- *   BSD LICENSE
- *
- *   Copyright(c) 2010-2014 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 _VIRTIO_LOGS_H_
-#define _VIRTIO_LOGS_H_
-
-#include <rte_log.h>
-
-#ifdef RTE_LIBRTE_VIRTIO_DEBUG_INIT
-#define PMD_INIT_LOG(level, fmt, args...) \
-       RTE_LOG(level, PMD, "%s(): " fmt "\n", __func__, ## args)
-#define PMD_INIT_FUNC_TRACE() PMD_INIT_LOG(DEBUG, " >>")
-#else
-#define PMD_INIT_LOG(level, fmt, args...) do { } while(0)
-#define PMD_INIT_FUNC_TRACE() do { } while(0)
-#endif
-
-#ifdef RTE_LIBRTE_VIRTIO_DEBUG_RX
-#define PMD_RX_LOG(level, fmt, args...) \
-       RTE_LOG(level, PMD, "%s() rx: " fmt , __func__, ## args)
-#else
-#define PMD_RX_LOG(level, fmt, args...) do { } while(0)
-#endif
-
-#ifdef RTE_LIBRTE_VIRTIO_DEBUG_TX
-#define PMD_TX_LOG(level, fmt, args...) \
-       RTE_LOG(level, PMD, "%s() tx: " fmt , __func__, ## args)
-#else
-#define PMD_TX_LOG(level, fmt, args...) do { } while(0)
-#endif
-
-
-#ifdef RTE_LIBRTE_VIRTIO_DEBUG_DRIVER
-#define PMD_DRV_LOG(level, fmt, args...) \
-       RTE_LOG(level, PMD, "%s(): " fmt , __func__, ## args)
-#else
-#define PMD_DRV_LOG(level, fmt, args...) do { } while(0)
-#endif
-
-#endif /* _VIRTIO_LOGS_H_ */
diff --git a/drivers/net/xenvirt/virtqueue.h b/drivers/net/xenvirt/virtqueue.h
deleted file mode 100644
index 1bb6877..0000000
--- a/drivers/net/xenvirt/virtqueue.h
+++ /dev/null
@@ -1,273 +0,0 @@
-/*-
- *   BSD LICENSE
- *
- *   Copyright(c) 2010-2014 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 _VIRTQUEUE_H_
-#define _VIRTQUEUE_H_
-
-#include <stdint.h>
-#include <linux/virtio_ring.h>
-#include <linux/virtio_net.h>
-
-#include <rte_atomic.h>
-#include <rte_memory.h>
-#include <rte_memzone.h>
-#include <rte_mempool.h>
-
-#include "virtio_logs.h"
-
-struct rte_mbuf;
-
-/* The alignment to use between consumer and producer parts of vring. */
-#define VIRTIO_PCI_VRING_ALIGN 4096
-
-enum { VTNET_RQ = 0, VTNET_TQ = 1, VTNET_CQ = 2 };
-
-/**
- * The maximum virtqueue size is 2^15. Use that value as the end of
- * descriptor chain terminator since it will never be a valid index
- * in the descriptor table. This is used to verify we are correctly
- * handling vq_free_cnt.
- */
-#define VQ_RING_DESC_CHAIN_END 32768
-
-#define VIRTQUEUE_MAX_NAME_SZ  32
-
-struct pmd_internals {
-       struct rte_eth_stats eth_stats;
-       int port_id;
-       int virtio_idx;
-};
-
-
-struct virtqueue {
-       char vq_name[VIRTQUEUE_MAX_NAME_SZ];
-       struct rte_mempool       *mpool;  /**< mempool for mbuf allocation */
-       uint16_t    queue_id;             /**< DPDK queue index. */
-       uint16_t    vq_queue_index;       /**< PCI queue index */
-       uint8_t     port_id;              /**< Device port identifier. */
-
-       void        *vq_ring_virt_mem;    /**< virtual address of vring*/
-       int         vq_alignment;
-       int         vq_ring_size;
-
-       struct vring vq_ring;    /**< vring keeping desc, used and avail */
-       struct pmd_internals *internals;  /**< virtio device internal info. */
-       uint16_t    vq_nentries; /**< vring desc numbers */
-       uint16_t    vq_desc_head_idx;
-       uint16_t    vq_free_cnt; /**< num of desc available */
-       uint16_t vq_used_cons_idx; /**< Last consumed desc in used table, 
trails vq_ring.used->idx*/
-
-       struct vq_desc_extra {
-               void              *cookie;
-               uint16_t          ndescs;
-       } vq_descx[0] __rte_cache_aligned;
-};
-
-
-#ifdef  RTE_LIBRTE_XENVIRT_DEBUG_DUMP
-#define VIRTQUEUE_DUMP(vq) do { \
-       uint16_t used_idx, nused; \
-       used_idx = (vq)->vq_ring.used->idx; \
-       nused = (uint16_t)(used_idx - (vq)->vq_used_cons_idx); \
-       PMD_INIT_LOG(DEBUG, \
-         "VQ: %s - size=%d; free=%d; used=%d; desc_head_idx=%d;" \
-         " avail.idx=%d; used_cons_idx=%d; used.idx=%d;" \
-         " avail.flags=0x%x; used.flags=0x%x\n", \
-         (vq)->vq_name, (vq)->vq_nentries, (vq)->vq_free_cnt, nused, \
-         (vq)->vq_desc_head_idx, (vq)->vq_ring.avail->idx, \
-         (vq)->vq_used_cons_idx, (vq)->vq_ring.used->idx, \
-         (vq)->vq_ring.avail->flags, (vq)->vq_ring.used->flags); \
-} while (0)
-#else
-#define VIRTQUEUE_DUMP(vq) do { } while (0)
-#endif
-
-
-/**
- *  Dump virtqueue internal structures, for debug purpose only.
- */
-void virtqueue_dump(struct virtqueue *vq);
-
-/**
- *  Get all mbufs to be freed.
- */
-struct rte_mbuf * virtqueue_detatch_unused(struct virtqueue *vq);
-
-static __rte_always_inline int
-virtqueue_full(const struct virtqueue *vq)
-{
-       return vq->vq_free_cnt == 0;
-}
-
-#define VIRTQUEUE_NUSED(vq) ((uint16_t)((vq)->vq_ring.used->idx - 
(vq)->vq_used_cons_idx))
-
-static __rte_always_inline void
-vq_ring_update_avail(struct virtqueue *vq, uint16_t desc_idx)
-{
-       uint16_t avail_idx;
-       /*
-        * Place the head of the descriptor chain into the next slot and make
-        * it usable to the host. The chain is made available now rather than
-        * deferring to virtqueue_notify() in the hopes that if the host is
-        * currently running on another CPU, we can keep it processing the new
-        * descriptor.
-        */
-       avail_idx = (uint16_t)(vq->vq_ring.avail->idx & (vq->vq_nentries - 1));
-       vq->vq_ring.avail->ring[avail_idx] = desc_idx;
-       rte_smp_wmb();
-       vq->vq_ring.avail->idx++;
-}
-
-static __rte_always_inline void
-vq_ring_free_chain(struct virtqueue *vq, uint16_t desc_idx)
-{
-       struct vring_desc *dp;
-       struct vq_desc_extra *dxp;
-
-       dp  = &vq->vq_ring.desc[desc_idx];
-       dxp = &vq->vq_descx[desc_idx];
-       vq->vq_free_cnt = (uint16_t)(vq->vq_free_cnt + dxp->ndescs);
-       while (dp->flags & VRING_DESC_F_NEXT) {
-               dp = &vq->vq_ring.desc[dp->next];
-       }
-       dxp->ndescs = 0;
-
-       /*
-        * We must append the existing free chain, if any, to the end of
-        * newly freed chain. If the virtqueue was completely used, then
-        * head would be VQ_RING_DESC_CHAIN_END (ASSERTed above).
-        */
-       dp->next = vq->vq_desc_head_idx;
-       vq->vq_desc_head_idx = desc_idx;
-}
-
-static __rte_always_inline int
-virtqueue_enqueue_recv_refill(struct virtqueue *rxvq, struct rte_mbuf *cookie)
-{
-       const uint16_t needed = 1;
-       const uint16_t head_idx = rxvq->vq_desc_head_idx;
-       struct vring_desc *start_dp = rxvq->vq_ring.desc;
-       struct vq_desc_extra *dxp;
-
-       if (unlikely(rxvq->vq_free_cnt == 0))
-               return -ENOSPC;
-       if (unlikely(rxvq->vq_free_cnt < needed))
-               return -EMSGSIZE;
-       if (unlikely(head_idx >= rxvq->vq_nentries))
-               return -EFAULT;
-
-       dxp = &rxvq->vq_descx[head_idx];
-       dxp->cookie = (void *)cookie;
-       dxp->ndescs = needed;
-
-       start_dp[head_idx].addr  =
-               (uint64_t) ((uintptr_t)cookie->buf_addr + RTE_PKTMBUF_HEADROOM 
- sizeof(struct virtio_net_hdr));
-       start_dp[head_idx].len   = cookie->buf_len - RTE_PKTMBUF_HEADROOM + 
sizeof(struct virtio_net_hdr);
-       start_dp[head_idx].flags = VRING_DESC_F_WRITE;
-       rxvq->vq_desc_head_idx   = start_dp[head_idx].next;
-       rxvq->vq_free_cnt        = (uint16_t)(rxvq->vq_free_cnt - needed);
-       vq_ring_update_avail(rxvq, head_idx);
-
-       return 0;
-}
-
-static __rte_always_inline int
-virtqueue_enqueue_xmit(struct virtqueue *txvq, struct rte_mbuf *cookie)
-{
-
-       const uint16_t needed = 2;
-       struct vring_desc *start_dp =  txvq->vq_ring.desc;
-       uint16_t head_idx = txvq->vq_desc_head_idx;
-       uint16_t idx      = head_idx;
-       struct vq_desc_extra *dxp;
-
-       if (unlikely(txvq->vq_free_cnt == 0))
-               return -ENOSPC;
-       if (unlikely(txvq->vq_free_cnt < needed))
-               return -EMSGSIZE;
-       if (unlikely(head_idx >= txvq->vq_nentries))
-               return -EFAULT;
-
-       dxp = &txvq->vq_descx[idx];
-       dxp->cookie = (void *)cookie;
-       dxp->ndescs = needed;
-
-       start_dp = txvq->vq_ring.desc;
-       start_dp[idx].addr  = 0;
-/*
- * TODO: save one desc here?
- */
-       start_dp[idx].len   = sizeof(struct virtio_net_hdr);
-       start_dp[idx].flags = VRING_DESC_F_NEXT;
-       start_dp[idx].addr  = (uintptr_t)NULL;
-       idx = start_dp[idx].next;
-       start_dp[idx].addr  = (uint64_t)rte_pktmbuf_mtod(cookie, uintptr_t);
-       start_dp[idx].len   = cookie->data_len;
-       start_dp[idx].flags = 0;
-       idx = start_dp[idx].next;
-       txvq->vq_desc_head_idx = idx;
-       txvq->vq_free_cnt = (uint16_t)(txvq->vq_free_cnt - needed);
-       vq_ring_update_avail(txvq, head_idx);
-
-       return 0;
-}
-
-static __rte_always_inline uint16_t
-virtqueue_dequeue_burst(struct virtqueue *vq, struct rte_mbuf **rx_pkts, 
uint32_t *len, uint16_t num)
-{
-       struct vring_used_elem *uep;
-       struct rte_mbuf *cookie;
-       uint16_t used_idx, desc_idx;
-       uint16_t i;
-       /*  Caller does the check */
-       for (i = 0; i < num ; i ++) {
-               used_idx = (uint16_t)(vq->vq_used_cons_idx & (vq->vq_nentries - 
1));
-               uep = &vq->vq_ring.used->ring[used_idx];
-               desc_idx = (uint16_t) uep->id;
-               cookie = (struct rte_mbuf *)vq->vq_descx[desc_idx].cookie;
-               if (unlikely(cookie == NULL)) {
-                       PMD_DRV_LOG(ERR, "vring descriptor with no mbuf cookie 
at %u\n",
-                               vq->vq_used_cons_idx);
-                       RTE_LOG(ERR, PMD, "%s: inconsistent (%u, %u)\n", 
__func__, used_idx , desc_idx);
-                       break;
-               }
-               len[i] = uep->len;
-               rx_pkts[i]  = cookie;
-               vq->vq_used_cons_idx++;
-               vq_ring_free_chain(vq, desc_idx);
-               vq->vq_descx[desc_idx].cookie = NULL;
-       }
-       return i;
-}
-
-#endif /* _VIRTQUEUE_H_ */
diff --git a/mk/rte.app.mk b/mk/rte.app.mk
index c25fdd9..fb6be12 100644
--- a/mk/rte.app.mk
+++ b/mk/rte.app.mk
@@ -144,7 +144,6 @@ ifeq ($(CONFIG_RTE_LIBRTE_VHOST),y)
 _LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_VHOST)      += -lrte_pmd_vhost
 endif # $(CONFIG_RTE_LIBRTE_VHOST)
 _LDLIBS-$(CONFIG_RTE_LIBRTE_VMXNET3_PMD)    += -lrte_pmd_vmxnet3_uio
-_LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_XENVIRT)    += -lrte_pmd_xenvirt -lxenstore
 
 ifeq ($(CONFIG_RTE_LIBRTE_CRYPTODEV),y)
 _LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_AESNI_MB)    += -lrte_pmd_aesni_mb
diff --git a/pkg/dpdk.spec b/pkg/dpdk.spec
index 5ba3431..95c3335 100644
--- a/pkg/dpdk.spec
+++ b/pkg/dpdk.spec
@@ -90,9 +90,6 @@ sed -ri 's,(RTE_BUILD_SHARED_LIB=).*,\1y,' %{target}/.config
 sed -ri 's,(RTE_NEXT_ABI=).*,\1n,'         %{target}/.config
 sed -ri 's,(LIBRTE_VHOST=).*,\1y,'         %{target}/.config
 sed -ri 's,(LIBRTE_PMD_PCAP=).*,\1y,'      %{target}/.config
-%ifarch i686 x86_64
-sed -ri 's,(LIBRTE_PMD_XENVIRT=).*,\1y,'   %{target}/.config
-%endif
 make O=%{target} %{?_smp_mflags}
 make O=%{target} doc
 
-- 
2.7.4


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