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vfio: honor IOVA mode before mapping

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

Signed-off-by: Santosh Shukla <santosh.shukla@caviumnetworks.com>
Signed-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>
Acked-by: Anatoly Burakov <anatoly.burakov@intel.com>
Tested-by: Hemant Agrawal <hemant.agrawal@nxp.com>
This commit is contained in:
Santosh Shukla 2017-10-06 16:33:44 +05:30 committed by Thomas Monjalon
parent cf408c2247
commit e85a919286
1 changed files with 8 additions and 2 deletions
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10
lib/librte_eal/linuxapp/eal/eal_vfio.c
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@ -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;