[dpdk-dev,v6,15/70] net/bnx2x: use contiguous allocation for DMA memory

Message ID 02a095192a0ab4562fc83b107356c939385514b8.1523448978.git.anatoly.burakov@intel.com (mailing list archive)
State Accepted, archived
Headers

Checks

Context Check Description
ci/checkpatch success coding style OK
ci/Intel-compilation fail apply patch file failure

Commit Message

Anatoly Burakov 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>
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/bnx2x/bnx2x.c      | 4 ++--
 drivers/net/bnx2x/bnx2x_rxtx.c | 3 ++-
 2 files changed, 4 insertions(+), 3 deletions(-)
  

Patch

diff --git a/drivers/net/bnx2x/bnx2x.c b/drivers/net/bnx2x/bnx2x.c
index fb02d0f..382b50f 100644
--- a/drivers/net/bnx2x/bnx2x.c
+++ b/drivers/net/bnx2x/bnx2x.c
@@ -177,9 +177,9 @@  bnx2x_dma_alloc(struct bnx2x_softc *sc, size_t size, struct bnx2x_dma *dma,
 			rte_get_timer_cycles());
 
 	/* Caller must take care that strlen(mz_name) < RTE_MEMZONE_NAMESIZE */
-	z = rte_memzone_reserve_aligned(mz_name, (uint64_t) (size),
+	z = rte_memzone_reserve_aligned(mz_name, (uint64_t)size,
 					SOCKET_ID_ANY,
-					0, align);
+					RTE_MEMZONE_IOVA_CONTIG, align);
 	if (z == NULL) {
 		PMD_DRV_LOG(ERR, "DMA alloc failed for %s", msg);
 		return -ENOMEM;
diff --git a/drivers/net/bnx2x/bnx2x_rxtx.c b/drivers/net/bnx2x/bnx2x_rxtx.c
index a0d4ac9..6be7277 100644
--- a/drivers/net/bnx2x/bnx2x_rxtx.c
+++ b/drivers/net/bnx2x/bnx2x_rxtx.c
@@ -26,7 +26,8 @@  ring_dma_zone_reserve(struct rte_eth_dev *dev, const char *ring_name,
 	if (mz)
 		return mz;
 
-	return rte_memzone_reserve_aligned(z_name, ring_size, socket_id, 0, BNX2X_PAGE_SIZE);
+	return rte_memzone_reserve_aligned(z_name, ring_size, socket_id,
+			RTE_MEMZONE_IOVA_CONTIG, BNX2X_PAGE_SIZE);
 }
 
 static void