From mboxrd@z Thu Jan 1 00:00:00 1970
Return-Path: <aburakov@ecsmtp.ir.intel.com>
Received: from mga17.intel.com (mga17.intel.com [192.55.52.151])
by dpdk.org (Postfix) with ESMTP id DB56C71B4
for <dev@dpdk.org>; Wed, 7 Mar 2018 17:57:20 +0100 (CET)
X-Amp-Result: SKIPPED(no attachment in message)
X-Amp-File-Uploaded: False
Received: from orsmga002.jf.intel.com ([10.7.209.21])
by fmsmga107.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384;
07 Mar 2018 08:57:20 -0800
X-ExtLoop1: 1
X-IronPort-AV: E=Sophos;i="5.47,436,1515484800"; d="scan'208";a="39984079"
Received: from irvmail001.ir.intel.com ([163.33.26.43])
by orsmga002.jf.intel.com with ESMTP; 07 Mar 2018 08:57:16 -0800
Received: from sivswdev01.ir.intel.com (sivswdev01.ir.intel.com
[10.237.217.45])
by irvmail001.ir.intel.com (8.14.3/8.13.6/MailSET/Hub) with ESMTP id
w27GvFFT032464; Wed, 7 Mar 2018 16:57:15 GMT
Received: from sivswdev01.ir.intel.com (localhost [127.0.0.1])
by sivswdev01.ir.intel.com with ESMTP id w27GvFkQ006910;
Wed, 7 Mar 2018 16:57:15 GMT
Received: (from aburakov@localhost)
by sivswdev01.ir.intel.com with LOCAL id w27GvF5C006906;
Wed, 7 Mar 2018 16:57:15 GMT
From: Anatoly Burakov <anatoly.burakov@intel.com>
To: dev@dpdk.org
Cc: Yuanhan Liu <yliu@fridaylinux.org>,
Maxime Coquelin <maxime.coquelin@redhat.com>,
Tiwei Bie <tiwei.bie@intel.com>, 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
Date: Wed, 7 Mar 2018 16:57:08 +0000
Message-Id: <46388b194cd559b5cf7079e01b04bf67a99b64d7.1520428025.git.anatoly.burakov@intel.com>
X-Mailer: git-send-email 1.7.0.7
In-Reply-To: <cover.1520428025.git.anatoly.burakov@intel.com>
References: <cover.1520428025.git.anatoly.burakov@intel.com>
In-Reply-To: <cover.1520428025.git.anatoly.burakov@intel.com>
References: <cover.1520083504.git.anatoly.burakov@intel.com>
<cover.1520428025.git.anatoly.burakov@intel.com>
Subject: [dpdk-dev] [PATCH v2 40/41] net/virtio: use contiguous allocation
for DMA memory
X-BeenThere: dev@dpdk.org
X-Mailman-Version: 2.1.15
Precedence: list
List-Id: DPDK patches and discussions <dev.dpdk.org>
List-Unsubscribe: <https://dpdk.org/ml/options/dev>,
<mailto:dev-request@dpdk.org?subject=unsubscribe>
List-Archive: <http://dpdk.org/ml/archives/dev/>
List-Post: <mailto:dev@dpdk.org>
List-Help: <mailto:dev-request@dpdk.org?subject=help>
List-Subscribe: <https://dpdk.org/ml/listinfo/dev>,
<mailto:dev-request@dpdk.org?subject=subscribe>
X-List-Received-Date: Wed, 07 Mar 2018 16:57:21 -0000
Signed-off-by: Anatoly Burakov <anatoly.burakov@intel.com>
Reviewed-by: Venkatesh Srinivas <venkateshs@google.com>
---
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