From mboxrd@z Thu Jan 1 00:00:00 1970 From: Anatoly Burakov Subject: [PATCH v2 40/41] net/virtio: use contiguous allocation for DMA memory Date: Wed, 7 Mar 2018 16:57:08 +0000 Message-ID: <46388b194cd559b5cf7079e01b04bf67a99b64d7.1520428025.git.anatoly.burakov@intel.com> References: Cc: Yuanhan Liu , Maxime Coquelin , Tiwei Bie , keith.wiles@intel.com, jianfeng.tan@intel.com, andras.kovacs@ericsson.com, laszlo.vadkeri@ericsson.com, benjamin.walker@intel.com, bruce.richardson@intel.com, thomas@monjalon.net, konstantin.ananyev@intel.com, kuralamudhan.ramakrishnan@intel.com, louise.m.daly@intel.com, nelio.laranjeiro@6wind.com, yskoh@mellanox.com, pepperjo@japf.ch, jerin.jacob@caviumnetworks.com, hemant.agrawal@nxp.com, olivier.matz@6wind.com To: dev@dpdk.org Return-path: Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) by dpdk.org (Postfix) with ESMTP id DB56C71B4 for ; Wed, 7 Mar 2018 17:57:20 +0100 (CET) In-Reply-To: In-Reply-To: References: List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Signed-off-by: Anatoly Burakov Reviewed-by: Venkatesh Srinivas --- Notes: Not sure if virtio needs to allocate DMA-capable memory, being a software driver and all. Corrections welcome. drivers/net/virtio/virtio_ethdev.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/net/virtio/virtio_ethdev.c b/drivers/net/virtio/virtio_ethdev.c index 884f74a..35812e4 100644 --- a/drivers/net/virtio/virtio_ethdev.c +++ b/drivers/net/virtio/virtio_ethdev.c @@ -391,7 +391,7 @@ virtio_init_queue(struct rte_eth_dev *dev, uint16_t vtpci_queue_idx) PMD_INIT_LOG(DEBUG, "vring_size: %d, rounded_vring_size: %d", size, vq->vq_ring_size); - mz = rte_memzone_reserve_aligned(vq_name, vq->vq_ring_size, + mz = rte_memzone_reserve_aligned_contig(vq_name, vq->vq_ring_size, SOCKET_ID_ANY, 0, VIRTIO_PCI_VRING_ALIGN); if (mz == NULL) { @@ -417,9 +417,9 @@ virtio_init_queue(struct rte_eth_dev *dev, uint16_t vtpci_queue_idx) if (sz_hdr_mz) { snprintf(vq_hdr_name, sizeof(vq_hdr_name), "port%d_vq%d_hdr", dev->data->port_id, vtpci_queue_idx); - hdr_mz = rte_memzone_reserve_aligned(vq_hdr_name, sz_hdr_mz, - SOCKET_ID_ANY, 0, - RTE_CACHE_LINE_SIZE); + hdr_mz = rte_memzone_reserve_aligned_contig(vq_hdr_name, + sz_hdr_mz, SOCKET_ID_ANY, 0, + RTE_CACHE_LINE_SIZE); if (hdr_mz == NULL) { if (rte_errno == EEXIST) hdr_mz = rte_memzone_lookup(vq_hdr_name); -- 2.7.4