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net/virtio: use contiguous allocation for DMA memory

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All hardware drivers should allocate IOVA-contiguous
memzones for their hardware resources.

Signed-off-by: Anatoly Burakov <anatoly.burakov@intel.com>
Reviewed-by: Venkatesh Srinivas <venkateshs@google.com>
Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>
Tested-by: Santosh Shukla <santosh.shukla@caviumnetworks.com>
Tested-by: Hemant Agrawal <hemant.agrawal@nxp.com>
Tested-by: Gowrishankar Muthukrishnan <gowrishankar.m@linux.vnet.ibm.com>
This commit is contained in:
Anatoly Burakov 2018-04-11 13:29:57 +01:00 committed by Thomas Monjalon
parent 17a4cd24a5
commit 25553d44c4
1 changed files with 4 additions and 4 deletions
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6
drivers/net/virtio/virtio_ethdev.c
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@ -391,8 +391,8 @@ virtio_init_queue(struct rte_eth_dev *dev, uint16_t vtpci_queue_idx)
size, vq->vq_ring_size);
mz = rte_memzone_reserve_aligned(vq_name, vq->vq_ring_size,
SOCKET_ID_ANY,
0, VIRTIO_PCI_VRING_ALIGN);
SOCKET_ID_ANY, RTE_MEMZONE_IOVA_CONTIG,
VIRTIO_PCI_VRING_ALIGN);
if (mz == NULL) {
if (rte_errno == EEXIST)
mz = rte_memzone_lookup(vq_name);
@ -417,7 +417,7 @@ virtio_init_queue(struct rte_eth_dev *dev, uint16_t vtpci_queue_idx)
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,
SOCKET_ID_ANY, RTE_MEMZONE_IOVA_CONTIG,
RTE_CACHE_LINE_SIZE);
if (hdr_mz == NULL) {
if (rte_errno == EEXIST)