[dpdk-dev] [PATCH v7 7/9] linuxapp/eal_vfio: honor iova mode before mapping

[Santosh Shukla]

Check iova mode and accordingly map iova to pa or va.

Signed-off-by: Santosh Shukla <santosh.shu...@caviumnetworks.com>
Signed-off-by: Jerin Jacob <jerin.ja...@caviumnetworks.com>
Reviewed-by: Maxime Coquelin <maxime.coque...@redhat.com>
---
 lib/librte_eal/linuxapp/eal/eal_vfio.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/lib/librte_eal/linuxapp/eal/eal_vfio.c 
b/lib/librte_eal/linuxapp/eal/eal_vfio.c
index c8a97b7e7..b32cd09a2 100644
--- a/lib/librte_eal/linuxapp/eal/eal_vfio.c
+++ b/lib/librte_eal/linuxapp/eal/eal_vfio.c
@@ -706,7 +706,10 @@ vfio_type1_dma_map(int vfio_container_fd)
                dma_map.argsz = sizeof(struct vfio_iommu_type1_dma_map);
                dma_map.vaddr = ms[i].addr_64;
                dma_map.size = ms[i].len;
-               dma_map.iova = ms[i].phys_addr;
+               if (rte_eal_iova_mode() == RTE_IOVA_VA)
+                       dma_map.iova = dma_map.vaddr;
+               else
+                       dma_map.iova = ms[i].phys_addr;
                dma_map.flags = VFIO_DMA_MAP_FLAG_READ | 
VFIO_DMA_MAP_FLAG_WRITE;
 
                ret = ioctl(vfio_container_fd, VFIO_IOMMU_MAP_DMA, &dma_map);
@@ -792,7 +795,10 @@ vfio_spapr_dma_map(int vfio_container_fd)
                dma_map.argsz = sizeof(struct vfio_iommu_type1_dma_map);
                dma_map.vaddr = ms[i].addr_64;
                dma_map.size = ms[i].len;
-               dma_map.iova = ms[i].phys_addr;
+               if (rte_eal_iova_mode() == RTE_IOVA_VA)
+                       dma_map.iova = dma_map.vaddr;
+               else
+                       dma_map.iova = ms[i].phys_addr;
                dma_map.flags = VFIO_DMA_MAP_FLAG_READ |
                                 VFIO_DMA_MAP_FLAG_WRITE;
 
-- 
2.13.0