76 	vdev->regions = kcalloc(cnt, sizeof(struct vfio_platform_region),  in vfio_platform_regions_init()
78 	if (!vdev->regions)  in vfio_platform_regions_init()
88 		vdev->regions[i].addr = res->start;  in vfio_platform_regions_init()
89 		vdev->regions[i].size = resource_size(res);  in vfio_platform_regions_init()
90 		vdev->regions[i].flags = 0;  in vfio_platform_regions_init()
94 			vdev->regions[i].type = VFIO_PLATFORM_REGION_TYPE_MMIO;  in vfio_platform_regions_init()
95 			vdev->regions[i].flags |= VFIO_REGION_INFO_FLAG_READ;  in vfio_platform_regions_init()
97 				vdev->regions[i].flags |=  in vfio_platform_regions_init()
104 			if (!(vdev->regions[i].addr & ~PAGE_MASK) &&  in vfio_platform_regions_init()
105 					!(vdev->regions[i].size & ~PAGE_MASK))  in vfio_platform_regions_init()
106 				vdev->regions[i].flags |=  in vfio_platform_regions_init()
111 			vdev->regions[i].type = VFIO_PLATFORM_REGION_TYPE_PIO;  in vfio_platform_regions_init()
122 	kfree(vdev->regions);  in vfio_platform_regions_init()
131 		iounmap(vdev->regions[i].ioaddr);  in vfio_platform_regions_cleanup()
134 	kfree(vdev->regions);  in vfio_platform_regions_cleanup()
241 		info.size = vdev->regions[info.index].size;  in vfio_platform_ioctl()
242 		info.flags = vdev->regions[info.index].flags;  in vfio_platform_ioctl()
389 	if (!(vdev->regions[index].flags & VFIO_REGION_INFO_FLAG_READ))  in vfio_platform_read()
392 	if (vdev->regions[index].type & VFIO_PLATFORM_REGION_TYPE_MMIO)  in vfio_platform_read()
393 		return vfio_platform_read_mmio(&vdev->regions[index],  in vfio_platform_read()
395 	else if (vdev->regions[index].type & VFIO_PLATFORM_REGION_TYPE_PIO)  in vfio_platform_read()
465 	if (!(vdev->regions[index].flags & VFIO_REGION_INFO_FLAG_WRITE))  in vfio_platform_write()
468 	if (vdev->regions[index].type & VFIO_PLATFORM_REGION_TYPE_MMIO)  in vfio_platform_write()
469 		return vfio_platform_write_mmio(&vdev->regions[index],  in vfio_platform_write()
471 	else if (vdev->regions[index].type & VFIO_PLATFORM_REGION_TYPE_PIO)  in vfio_platform_write()
515 	if (!(vdev->regions[index].flags & VFIO_REGION_INFO_FLAG_MMAP))  in vfio_platform_mmap()
518 	if (!(vdev->regions[index].flags & VFIO_REGION_INFO_FLAG_READ)  in vfio_platform_mmap()
522 	if (!(vdev->regions[index].flags & VFIO_REGION_INFO_FLAG_WRITE)  in vfio_platform_mmap()
528 	if (vdev->regions[index].type & VFIO_PLATFORM_REGION_TYPE_MMIO)  in vfio_platform_mmap()
529 		return vfio_platform_mmap_mmio(vdev->regions[index], vma);  in vfio_platform_mmap()
531 	else if (vdev->regions[index].type & VFIO_PLATFORM_REGION_TYPE_PIO)  in vfio_platform_mmap()