19 	vdev->regions = kcalloc(count, sizeof(struct vfio_cdx_region),  in vfio_cdx_open_device()
21 	if (!vdev->regions)  in vfio_cdx_open_device()
27 		vdev->regions[i].addr = res->start;  in vfio_cdx_open_device()
28 		vdev->regions[i].size = resource_size(res);  in vfio_cdx_open_device()
29 		vdev->regions[i].type = res->flags;  in vfio_cdx_open_device()
31 		 * Only regions addressed with PAGE granularity may be  in vfio_cdx_open_device()
34 		if (!(vdev->regions[i].addr & ~PAGE_MASK) &&  in vfio_cdx_open_device()
35 		    !(vdev->regions[i].size & ~PAGE_MASK))  in vfio_cdx_open_device()
36 			vdev->regions[i].flags |=  in vfio_cdx_open_device()
38 		vdev->regions[i].flags |= VFIO_REGION_INFO_FLAG_READ;  in vfio_cdx_open_device()
40 			vdev->regions[i].flags |= VFIO_REGION_INFO_FLAG_WRITE;  in vfio_cdx_open_device()
51 	kfree(vdev->regions);  in vfio_cdx_close_device()
95 	info.size = vdev->regions[info.index].size;  in vfio_cdx_ioctl_get_region_info()
96 	info.flags = vdev->regions[info.index].flags;  in vfio_cdx_ioctl_get_region_info()
153 	if (!(vdev->regions[index].flags & VFIO_REGION_INFO_FLAG_MMAP))  in vfio_cdx_mmap()
156 	if (!(vdev->regions[index].flags & VFIO_REGION_INFO_FLAG_READ) &&  in vfio_cdx_mmap()
160 	if (!(vdev->regions[index].flags & VFIO_REGION_INFO_FLAG_WRITE) &&  in vfio_cdx_mmap()
164 	return vfio_cdx_mmap_mmio(vdev->regions[index], vma);  in vfio_cdx_mmap()