[dpdk-dev] [PATCH v5 14/70] net/avf: use contiguous allocation for DMA memory

Anatoly Burakov anatoly.burakov at intel.com
Mon Apr 9 20:00:17 CEST 2018


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

Signed-off-by: Anatoly Burakov <anatoly.burakov at intel.com>
Tested-by: Santosh Shukla <Santosh.Shukla at caviumnetworks.com>
Tested-by: Hemant Agrawal <hemant.agrawal at nxp.com>
---

Notes:
    v4:
    - Use new memzone flag instead of new API
    - Remove experimental API from build files
    
    v3:
    - Add experimental API to build files
    - Moved patch earlier in the patchset

 drivers/net/avf/avf_ethdev.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/avf/avf_ethdev.c b/drivers/net/avf/avf_ethdev.c
index 4442c3c..68a59b4 100644
--- a/drivers/net/avf/avf_ethdev.c
+++ b/drivers/net/avf/avf_ethdev.c
@@ -1365,8 +1365,8 @@ avf_allocate_dma_mem_d(__rte_unused struct avf_hw *hw,
 		return AVF_ERR_PARAM;
 
 	snprintf(z_name, sizeof(z_name), "avf_dma_%"PRIu64, rte_rand());
-	mz = rte_memzone_reserve_bounded(z_name, size, SOCKET_ID_ANY, 0,
-					 alignment, RTE_PGSIZE_2M);
+	mz = rte_memzone_reserve_bounded(z_name, size, SOCKET_ID_ANY,
+			RTE_MEMZONE_IOVA_CONTIG, alignment, RTE_PGSIZE_2M);
 	if (!mz)
 		return AVF_ERR_NO_MEMORY;
 
-- 
2.7.4


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