diff mbox

[dpdk-dev] bus: fix dpaa returning IOVA as PA

Message ID 20180206162156.2104-1-pbhagavatula@caviumnetworks.com (mailing list archive)
State Superseded, archived
Headers

Checks

Context Check Description
ci/checkpatch success coding style OK
ci/Intel-compilation success Compilation OK

Commit Message

Pavan Nikhilesh Feb. 6, 2018, 4:21 p.m. UTC 
  Fix dpaa bus returning IOVA as PA when there is no device attached to
the bus.

Fixes: 1ee9569576f6 ("config: enable dpaaX drivers for generic ARMv8")
Fixes: d5a4e3a00c4a ("bus/dpaa: set IOVA mode as physical")

Signed-off-by: Pavan Nikhilesh <pbhagavatula@caviumnetworks.com>
---

 Currently Octeontx platform is broken due to this, please merge this asap.

 drivers/bus/dpaa/dpaa_bus.c | 4 ++++
 1 file changed, 4 insertions(+)

--
2.16.0
diff mbox

Patch

diff --git a/drivers/bus/dpaa/dpaa_bus.c b/drivers/bus/dpaa/dpaa_bus.c
index 41ee640e2..579870297 100644
--- a/drivers/bus/dpaa/dpaa_bus.c
+++ b/drivers/bus/dpaa/dpaa_bus.c
@@ -501,6 +501,10 @@  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;
 }