From mboxrd@z Thu Jan 1 00:00:00 1970 From: Anatoly Burakov Subject: [PATCH v4 17/70] net/cxgbe: use contiguous allocation for DMA memory Date: Sun, 8 Apr 2018 21:17:50 +0100 Message-ID: <38180d8fbb20bf49d25c076066bf60b383d83b3d.1523218215.git.anatoly.burakov@intel.com> References: Cc: Rahul Lakkireddy , keith.wiles@intel.com, jianfeng.tan@intel.com, andras.kovacs@ericsson.com, laszlo.vadkeri@ericsson.com, benjamin.walker@intel.com, bruce.richardson@intel.com, thomas@monjalon.net, konstantin.ananyev@intel.com, kuralamudhan.ramakrishnan@intel.com, louise.m.daly@intel.com, nelio.laranjeiro@6wind.com, yskoh@mellanox.com, pepperjo@japf.ch, jerin.jacob@caviumnetworks.com, hemant.agrawal@nxp.com, olivier.matz@6wind.com, shreyansh.jain@nxp.com, gowrishankar.m@linux.vnet.ibm.com To: dev@dpdk.org Return-path: Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by dpdk.org (Postfix) with ESMTP id CDB961B68B for ; Sun, 8 Apr 2018 22:18:52 +0200 (CEST) In-Reply-To: In-Reply-To: References: List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" All hardware drivers should allocate IOVA-contiguous memzones for their hardware resources. Signed-off-by: Anatoly Burakov --- Notes: v4: - Use new memzone flag instead of new API - Remove experimental API from build files v3: - Add experimental API to build files v3: - Moved patch earlier in the patchset - Allowed experimental API's in the makefile drivers/net/cxgbe/sge.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/cxgbe/sge.c b/drivers/net/cxgbe/sge.c index 83e26d0..85846fc 100644 --- a/drivers/net/cxgbe/sge.c +++ b/drivers/net/cxgbe/sge.c @@ -1344,7 +1344,8 @@ static void *alloc_ring(size_t nelem, size_t elem_size, * handle the maximum ring size is allocated in order to allow for * resizing in later calls to the queue setup function. */ - tz = rte_memzone_reserve_aligned(z_name, len, socket_id, 0, 4096); + tz = rte_memzone_reserve_aligned(z_name, len, socket_id, + RTE_MEMZONE_IOVA_CONTIG, 4096); if (!tz) return NULL; -- 2.7.4