35 	vdev->regions = kcalloc(cnt, sizeof(struct vfio_platform_region),  in vfio_platform_regions_init()
37 	if (!vdev->regions)  in vfio_platform_regions_init()
47 		vdev->regions[i].addr = res->start;  in vfio_platform_regions_init()
48 		vdev->regions[i].size = resource_size(res);  in vfio_platform_regions_init()
49 		vdev->regions[i].flags = 0;  in vfio_platform_regions_init()
53 			vdev->regions[i].type = VFIO_PLATFORM_REGION_TYPE_MMIO;  in vfio_platform_regions_init()
54 			vdev->regions[i].flags |= VFIO_REGION_INFO_FLAG_READ;  in vfio_platform_regions_init()
56 				vdev->regions[i].flags |=  in vfio_platform_regions_init()
63 			if (!(vdev->regions[i].addr & ~PAGE_MASK) &&  in vfio_platform_regions_init()
64 					!(vdev->regions[i].size & ~PAGE_MASK))  in vfio_platform_regions_init()
65 				vdev->regions[i].flags |=  in vfio_platform_regions_init()
70 			vdev->regions[i].type = VFIO_PLATFORM_REGION_TYPE_PIO;  in vfio_platform_regions_init()
81 	kfree(vdev->regions);  in vfio_platform_regions_init()
90 		iounmap(vdev->regions[i].ioaddr);  in vfio_platform_regions_cleanup()
93 	kfree(vdev->regions);  in vfio_platform_regions_cleanup()
185 		info.size = vdev->regions[info.index].size;  in vfio_platform_ioctl()
186 		info.flags = vdev->regions[info.index].flags;  in vfio_platform_ioctl()
329 	if (!(vdev->regions[index].flags & VFIO_REGION_INFO_FLAG_READ))  in vfio_platform_read()
332 	if (vdev->regions[index].type & VFIO_PLATFORM_REGION_TYPE_MMIO)  in vfio_platform_read()
333 		return vfio_platform_read_mmio(vdev->regions[index],  in vfio_platform_read()
335 	else if (vdev->regions[index].type & VFIO_PLATFORM_REGION_TYPE_PIO)  in vfio_platform_read()
405 	if (!(vdev->regions[index].flags & VFIO_REGION_INFO_FLAG_WRITE))  in vfio_platform_write()
408 	if (vdev->regions[index].type & VFIO_PLATFORM_REGION_TYPE_MMIO)  in vfio_platform_write()
409 		return vfio_platform_write_mmio(vdev->regions[index],  in vfio_platform_write()
411 	else if (vdev->regions[index].type & VFIO_PLATFORM_REGION_TYPE_PIO)  in vfio_platform_write()
455 	if (!(vdev->regions[index].flags & VFIO_REGION_INFO_FLAG_MMAP))  in vfio_platform_mmap()
458 	if (!(vdev->regions[index].flags & VFIO_REGION_INFO_FLAG_READ)  in vfio_platform_mmap()
462 	if (!(vdev->regions[index].flags & VFIO_REGION_INFO_FLAG_WRITE)  in vfio_platform_mmap()
468 	if (vdev->regions[index].type & VFIO_PLATFORM_REGION_TYPE_MMIO)  in vfio_platform_mmap()
469 		return vfio_platform_mmap_mmio(vdev->regions[index], vma);  in vfio_platform_mmap()
471 	else if (vdev->regions[index].type & VFIO_PLATFORM_REGION_TYPE_PIO)  in vfio_platform_mmap()