196 		struct vfio_iommu_type1_dma_map param;  in tce_iommu_ioctl()  local
207 		if (copy_from_user(&param, (void __user *)arg, minsz))  in tce_iommu_ioctl()
210 		if (param.argsz < minsz)  in tce_iommu_ioctl()
213 		if (param.flags & ~(VFIO_DMA_MAP_FLAG_READ |  in tce_iommu_ioctl()
217 		if ((param.size & ~IOMMU_PAGE_MASK_4K) ||  in tce_iommu_ioctl()
218 				(param.vaddr & ~IOMMU_PAGE_MASK_4K))  in tce_iommu_ioctl()
222 		tce = param.vaddr;  in tce_iommu_ioctl()
223 		if (param.flags & VFIO_DMA_MAP_FLAG_READ)  in tce_iommu_ioctl()
225 		if (param.flags & VFIO_DMA_MAP_FLAG_WRITE)  in tce_iommu_ioctl()
228 		ret = iommu_tce_put_param_check(tbl, param.iova, tce);  in tce_iommu_ioctl()
232 		for (i = 0; i < (param.size >> IOMMU_PAGE_SHIFT_4K); ++i) {  in tce_iommu_ioctl()
234 					(param.iova >> IOMMU_PAGE_SHIFT_4K) + i,  in tce_iommu_ioctl()
242 					param.iova >> IOMMU_PAGE_SHIFT_4K, i);  in tce_iommu_ioctl()
249 		struct vfio_iommu_type1_dma_unmap param;  in tce_iommu_ioctl()  local
258 		if (copy_from_user(&param, (void __user *)arg, minsz))  in tce_iommu_ioctl()
261 		if (param.argsz < minsz)  in tce_iommu_ioctl()
265 		if (param.flags)  in tce_iommu_ioctl()
268 		if (param.size & ~IOMMU_PAGE_MASK_4K)  in tce_iommu_ioctl()
271 		ret = iommu_tce_clear_param_check(tbl, param.iova, 0,  in tce_iommu_ioctl()
272 				param.size >> IOMMU_PAGE_SHIFT_4K);  in tce_iommu_ioctl()
277 				param.iova >> IOMMU_PAGE_SHIFT_4K,  in tce_iommu_ioctl()
278 				param.size >> IOMMU_PAGE_SHIFT_4K);  in tce_iommu_ioctl()