[dpdk-dev] [PATCH v2 08/12] bsdapp/eal: auto detect iova mapping mode
Santosh Shukla
santosh.shukla at caviumnetworks.com
Mon Jul 10 13:42:31 CEST 2017
- 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 <santosh.shukla at caviumnetworks.com>
Signed-off-by: Jerin Jacob <jerin.jacob at caviumnetworks.com>
---
lib/librte_eal/bsdapp/eal/eal.c | 16 ++++++++++------
1 file changed, 10 insertions(+), 6 deletions(-)
diff --git a/lib/librte_eal/bsdapp/eal/eal.c b/lib/librte_eal/bsdapp/eal/eal.c
index e1aee8c3e..7c63b2fa7 100644
--- a/lib/librte_eal/bsdapp/eal/eal.c
+++ b/lib/librte_eal/bsdapp/eal/eal.c
@@ -542,6 +542,16 @@ 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) */
+ if (rte_bus_get_iommu_class() == RTE_IOVA_VA)
+ rte_eal_get_configuration()->iova_mode = RTE_IOVA_VA;
+
if (internal_config.no_hugetlbfs == 0 &&
internal_config.process_type != RTE_PROC_SECONDARY &&
eal_hugepage_info_init() < 0) {
@@ -621,12 +631,6 @@ 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) {
/*
--
2.13.0
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