X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fbus%2Ffslmc%2Ffslmc_vfio.c;h=247b2a4a196c09f0721b6c56542916b95575a792;hb=2b5fa25708cfe6594ba755faf864eef4efce4aad;hp=1383af4f1cc6b4e2d8f154651ec403138febf2ac;hpb=63d5d0af4f0c70dcc29ca80db85727be23aef3ff;p=dpdk.git

diff --git a/drivers/bus/fslmc/fslmc_vfio.c b/drivers/bus/fslmc/fslmc_vfio.c
index 1383af4f1c..247b2a4a19 100644
--- a/drivers/bus/fslmc/fslmc_vfio.c
+++ b/drivers/bus/fslmc/fslmc_vfio.c
@@ -358,6 +358,45 @@ fslmc_dmamap_seg(const struct rte_memseg_list *msl __rte_unused,
 	return ret;
 }
 
+int
+rte_fslmc_vfio_mem_dmamap(uint64_t vaddr, uint64_t iova, uint64_t size)
+{
+	int ret;
+	struct fslmc_vfio_group *group;
+	struct vfio_iommu_type1_dma_map dma_map = {
+		.argsz = sizeof(struct vfio_iommu_type1_dma_map),
+		.flags = VFIO_DMA_MAP_FLAG_READ | VFIO_DMA_MAP_FLAG_WRITE,
+	};
+
+	if (fslmc_iommu_type == RTE_VFIO_NOIOMMU) {
+		DPAA2_BUS_DEBUG("Running in NOIOMMU mode");
+		return 0;
+	}
+
+	/* SET DMA MAP for IOMMU */
+	group = &vfio_group;
+	if (!group->container) {
+		DPAA2_BUS_ERR("Container is not connected");
+		return -1;
+	}
+
+	dma_map.size = size;
+	dma_map.vaddr = vaddr;
+	dma_map.iova = iova;
+
+	DPAA2_BUS_DEBUG("VFIO dmamap 0x%llx:0x%llx, size 0x%llx\n",
+			dma_map.vaddr, dma_map.iova, dma_map.size);
+	ret = ioctl(group->container->fd, VFIO_IOMMU_MAP_DMA,
+		    &dma_map);
+	if (ret) {
+		printf("Unable to map DMA address (errno = %d)\n",
+			errno);
+		return ret;
+	}
+
+	return 0;
+}
+
 int rte_fslmc_vfio_dmamap(void)
 {
 	int i = 0, ret;