diff mbox

[dpdk-dev,v5,22/70] net/virtio: use contiguous allocation for DMA memory

Message ID a8f8a49896f54ca369410252f16fab6e581294e5.1523296700.git.anatoly.burakov@intel.com (mailing list archive)
State Superseded, archived
Headers

Checks

Context Check Description
ci/checkpatch success coding style OK

Commit Message

Anatoly Burakov April 9, 2018, 6 p.m. UTC 
  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>
---

Notes:
    v4:
    - Use new memzone flag instead of new API
    
    v3:
    - Moved patch earlier in the patchset

 drivers/net/virtio/virtio_ethdev.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)
diff mbox

Patch

diff --git a/drivers/net/virtio/virtio_ethdev.c b/drivers/net/virtio/virtio_ethdev.c
index 2ef213d..f03d790 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);