diff mbox

[dpdk-dev,v6,18/70] net/ena: use contiguous allocation for DMA memory

Message ID b0184c25d131503990a10ddce888970f27436b29.1523448978.git.anatoly.burakov@intel.com (mailing list archive)
State Accepted, archived
Headers

Checks

Context Check Description
ci/checkpatch success coding style OK

Commit Message

Burakov, Anatoly April 11, 2018, 12:29 p.m. UTC 
  All hardware drivers should allocate IOVA-contiguous
memzones for their hardware resources.

Signed-off-by: Anatoly Burakov <anatoly.burakov@intel.com>
Acked-by: Michal Krawczyk <mk@semihalf.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>
---
 drivers/net/ena/base/ena_plat_dpdk.h | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)
diff mbox

Patch

diff --git a/drivers/net/ena/base/ena_plat_dpdk.h b/drivers/net/ena/base/ena_plat_dpdk.h
index 8cba319..9334519 100644
--- a/drivers/net/ena/base/ena_plat_dpdk.h
+++ b/drivers/net/ena/base/ena_plat_dpdk.h
@@ -188,7 +188,8 @@  typedef uint64_t dma_addr_t;
 		ENA_TOUCH(dmadev); ENA_TOUCH(handle);			\
 		snprintf(z_name, sizeof(z_name),			\
 				"ena_alloc_%d", ena_alloc_cnt++);	\
-		mz = rte_memzone_reserve(z_name, size, SOCKET_ID_ANY, 0); \
+		mz = rte_memzone_reserve(z_name, size, SOCKET_ID_ANY,	\
+				RTE_MEMZONE_IOVA_CONTIG);		\
 		memset(mz->addr, 0, size);				\
 		virt = mz->addr;					\
 		phys = mz->iova;					\
@@ -206,7 +207,8 @@  typedef uint64_t dma_addr_t;
 		ENA_TOUCH(dmadev); ENA_TOUCH(dev_node);			\
 		snprintf(z_name, sizeof(z_name),			\
 				"ena_alloc_%d", ena_alloc_cnt++);	\
-		mz = rte_memzone_reserve(z_name, size, node, 0); \
+		mz = rte_memzone_reserve(z_name, size, node,		\
+				RTE_MEMZONE_IOVA_CONTIG);		\
 		memset(mz->addr, 0, size);				\
 		virt = mz->addr;					\
 		phys = mz->iova;					\
@@ -219,7 +221,8 @@  typedef uint64_t dma_addr_t;
 		ENA_TOUCH(dmadev); ENA_TOUCH(dev_node);			\
 		snprintf(z_name, sizeof(z_name),			\
 				"ena_alloc_%d", ena_alloc_cnt++);	\
-		mz = rte_memzone_reserve(z_name, size, node, 0); \
+		mz = rte_memzone_reserve(z_name, size, node,		\
+				RTE_MEMZONE_IOVA_CONTIG);		\
 		memset(mz->addr, 0, size);				\
 		virt = mz->addr;					\
 	} while (0)