From 25553d44c458fa2ac59b36285f50cf2ca69a0940 Mon Sep 17 00:00:00 2001 From: Anatoly Burakov Date: Wed, 11 Apr 2018 13:29:57 +0100 Subject: [PATCH] net/virtio: use contiguous allocation for DMA memory All hardware drivers should allocate IOVA-contiguous memzones for their hardware resources. Signed-off-by: Anatoly Burakov Reviewed-by: Venkatesh Srinivas Reviewed-by: Maxime Coquelin Tested-by: Santosh Shukla Tested-by: Hemant Agrawal Tested-by: Gowrishankar Muthukrishnan --- 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 2ef213d1a5..f03d7904b3 100644 --- a/drivers/net/virtio/virtio_ethdev.c +++ b/drivers/net/virtio/virtio_ethdev.c @@ -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); @@ -417,8 +417,8 @@ 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, - RTE_CACHE_LINE_SIZE); + SOCKET_ID_ANY, RTE_MEMZONE_IOVA_CONTIG, + RTE_CACHE_LINE_SIZE); if (hdr_mz == NULL) { if (rte_errno == EEXIST) hdr_mz = rte_memzone_lookup(vq_hdr_name); -- 2.20.1