67     struct vfio_iommu_type1_dma_unmap *unmap;  in vfio_dma_unmap_bitmap()  local
77     unmap = g_malloc0(sizeof(*unmap) + sizeof(*bitmap));  in vfio_dma_unmap_bitmap()
79     unmap->argsz = sizeof(*unmap) + sizeof(*bitmap);  in vfio_dma_unmap_bitmap()
80     unmap->iova = iova;  in vfio_dma_unmap_bitmap()
81     unmap->size = size;  in vfio_dma_unmap_bitmap()
82     unmap->flags |= VFIO_DMA_UNMAP_FLAG_GET_DIRTY_BITMAP;  in vfio_dma_unmap_bitmap()
83     bitmap = (struct vfio_bitmap *)&unmap->data;  in vfio_dma_unmap_bitmap()
95         error_report("UNMAP: Size of bitmap too big 0x%"PRIx64, vbmap.size);  in vfio_dma_unmap_bitmap()
100     ret = ioctl(container->fd, VFIO_IOMMU_UNMAP_DMA, unmap);  in vfio_dma_unmap_bitmap()
109     g_free(unmap);  in vfio_dma_unmap_bitmap()
124     struct vfio_iommu_type1_dma_unmap unmap = {  in vfio_legacy_dma_unmap()  local
125         .argsz = sizeof(unmap),  in vfio_legacy_dma_unmap()
143     while (ioctl(container->fd, VFIO_IOMMU_UNMAP_DMA, &unmap)) {  in vfio_legacy_dma_unmap()
148          * condition and re-try the unmap excluding the last page.  The  in vfio_legacy_dma_unmap()
150          * unmap request comes via vIOMMU support which also makes it unlikely  in vfio_legacy_dma_unmap()
156         if (errno == EINVAL && unmap.size && !(unmap.iova + unmap.size) &&  in vfio_legacy_dma_unmap()
159             unmap.size -= 1ULL << ctz64(bcontainer->pgsizes);  in vfio_legacy_dma_unmap()
195      * Try the mapping, if it fails with EBUSY, unmap the region and try  in vfio_legacy_dma_map()