From: Pavan Nikhilesh <pbhagavatula@caviumnetworks.com>
Date: Tue, 6 Feb 2018 17:22:48 +0000 (+0530)
Subject: bus/dpaa: fix default IOVA mode
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=d415e4d18c316f21b83ecf21bbc7101b5906835e;p=dpdk.git

bus/dpaa: fix default IOVA mode

Fix dpaa bus returning IOVA as PA even when it is not running on dpaa
platform.

Fixes: 1ee9569576f6 ("config: enable dpaaX drivers for generic ARMv8")
Fixes: d5a4e3a00c4a ("bus/dpaa: set IOVA mode as physical")
Cc: stable@dpdk.org

Signed-off-by: Pavan Nikhilesh <pbhagavatula@caviumnetworks.com>
Acked-by: Hemant Agrawal <hemant.agrawal@nxp.com>
---

diff --git a/drivers/bus/dpaa/dpaa_bus.c b/drivers/bus/dpaa/dpaa_bus.c
index 290b967daf..f2bb3b1580 100644
--- a/drivers/bus/dpaa/dpaa_bus.c
+++ b/drivers/bus/dpaa/dpaa_bus.c
@@ -541,6 +541,10 @@ rte_dpaa_find_device(const struct rte_device *start, rte_dev_cmp_t cmp,
 static enum rte_iova_mode
 rte_dpaa_get_iommu_class(void)
 {
+	if ((access(DPAA_DEV_PATH1, F_OK) != 0) &&
+	    (access(DPAA_DEV_PATH2, F_OK) != 0)) {
+		return RTE_IOVA_DC;
+	}
 	return RTE_IOVA_PA;
 }