From mboxrd@z Thu Jan 1 00:00:00 1970 From: Santosh Shukla Subject: [PATCH v4 09/12] bsdapp/eal: auto detect iova mapping mode Date: Tue, 18 Jul 2017 11:29:47 +0530 Message-ID: <20170718055950.10208-10-santosh.shukla@caviumnetworks.com> References: <20170711061631.5018-1-santosh.shukla@caviumnetworks.com> <20170718055950.10208-1-santosh.shukla@caviumnetworks.com> Mime-Version: 1.0 Content-Type: text/plain Cc: bruce.richardson@intel.com, jerin.jacob@caviumnetworks.com, hemant.agrawal@nxp.com, shreyansh.jain@nxp.com, gaetan.rivet@6wind.com, sergio.gonzalez.monroy@intel.com, anatoly.burakov@intel.com, stephen@networkplumber.org, maxime.coquelin@redhat.com, olivier.matz@6wind.com, Santosh Shukla To: thomas@monjalon.net, dev@dpdk.org Return-path: Received: from NAM01-BN3-obe.outbound.protection.outlook.com (mail-bn3nam01on0074.outbound.protection.outlook.com [104.47.33.74]) by dpdk.org (Postfix) with ESMTP id F1BDE7CCD for ; Tue, 18 Jul 2017 08:01:20 +0200 (CEST) In-Reply-To: <20170718055950.10208-1-santosh.shukla@caviumnetworks.com> List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" - Moving late bus scanning to up..just after eal_parsing. - Mapping mode would be default for bsdapp. It supports only one pass through mode (RTE_KDRV_NIC_UIO) Signed-off-by: Santosh Shukla Signed-off-by: Jerin Jacob --- lib/librte_eal/bsdapp/eal/eal.c | 15 +++++++++------ 1 file changed, 9 insertions(+), 6 deletions(-) diff --git a/lib/librte_eal/bsdapp/eal/eal.c b/lib/librte_eal/bsdapp/eal/eal.c index 2a49e9fde..3cb1bd22f 100644 --- a/lib/librte_eal/bsdapp/eal/eal.c +++ b/lib/librte_eal/bsdapp/eal/eal.c @@ -541,6 +541,15 @@ rte_eal_init(int argc, char **argv) return -1; } + if (rte_bus_scan()) { + rte_eal_init_alert("Cannot scan the buses for devices\n"); + rte_errno = ENODEV; + return -1; + } + + /* autodetect the iova mapping mode (default is iova_pa) */ + rte_eal_get_configuration()->iova_mode = rte_bus_get_iommu_class(); + if (internal_config.no_hugetlbfs == 0 && internal_config.process_type != RTE_PROC_SECONDARY && eal_hugepage_info_init() < 0) { @@ -620,12 +629,6 @@ rte_eal_init(int argc, char **argv) rte_config.master_lcore, thread_id, cpuset, ret == 0 ? "" : "..."); - if (rte_bus_scan()) { - rte_eal_init_alert("Cannot scan the buses for devices\n"); - rte_errno = ENODEV; - return -1; - } - RTE_LCORE_FOREACH_SLAVE(i) { /* -- 2.11.0