144 	vdev->regions = kcalloc(cnt, sizeof(struct vfio_platform_region),  in vfio_platform_regions_init()
146 	if (!vdev->regions)  in vfio_platform_regions_init()
153 		vdev->regions[i].addr = res->start;  in vfio_platform_regions_init()
154 		vdev->regions[i].size = resource_size(res);  in vfio_platform_regions_init()
155 		vdev->regions[i].flags = 0;  in vfio_platform_regions_init()
159 			vdev->regions[i].type = VFIO_PLATFORM_REGION_TYPE_MMIO;  in vfio_platform_regions_init()
160 			vdev->regions[i].flags |= VFIO_REGION_INFO_FLAG_READ;  in vfio_platform_regions_init()
162 				vdev->regions[i].flags |=  in vfio_platform_regions_init()
166 			 * Only regions addressed with PAGE granularity may be  in vfio_platform_regions_init()
169 			if (!(vdev->regions[i].addr & ~PAGE_MASK) &&  in vfio_platform_regions_init()
170 					!(vdev->regions[i].size & ~PAGE_MASK))  in vfio_platform_regions_init()
171 				vdev->regions[i].flags |=  in vfio_platform_regions_init()
176 			vdev->regions[i].type = VFIO_PLATFORM_REGION_TYPE_PIO;  in vfio_platform_regions_init()
187 	kfree(vdev->regions);  in vfio_platform_regions_init()
196 		iounmap(vdev->regions[i].ioaddr);  in vfio_platform_regions_cleanup()
199 	kfree(vdev->regions);  in vfio_platform_regions_cleanup()
319 		info.size = vdev->regions[info.index].size;  in vfio_platform_ioctl()
320 		info.flags = vdev->regions[info.index].flags;  in vfio_platform_ioctl()
456 	if (!(vdev->regions[index].flags & VFIO_REGION_INFO_FLAG_READ))  in vfio_platform_read()
459 	if (vdev->regions[index].type & VFIO_PLATFORM_REGION_TYPE_MMIO)  in vfio_platform_read()
460 		return vfio_platform_read_mmio(&vdev->regions[index],  in vfio_platform_read()
462 	else if (vdev->regions[index].type & VFIO_PLATFORM_REGION_TYPE_PIO)  in vfio_platform_read()
539 	if (!(vdev->regions[index].flags & VFIO_REGION_INFO_FLAG_WRITE))  in vfio_platform_write()
542 	if (vdev->regions[index].type & VFIO_PLATFORM_REGION_TYPE_MMIO)  in vfio_platform_write()
543 		return vfio_platform_write_mmio(&vdev->regions[index],  in vfio_platform_write()
545 	else if (vdev->regions[index].type & VFIO_PLATFORM_REGION_TYPE_PIO)  in vfio_platform_write()
591 	if (!(vdev->regions[index].flags & VFIO_REGION_INFO_FLAG_MMAP))  in vfio_platform_mmap()
594 	if (!(vdev->regions[index].flags & VFIO_REGION_INFO_FLAG_READ)  in vfio_platform_mmap()
598 	if (!(vdev->regions[index].flags & VFIO_REGION_INFO_FLAG_WRITE)  in vfio_platform_mmap()
604 	if (vdev->regions[index].type & VFIO_PLATFORM_REGION_TYPE_MMIO)  in vfio_platform_mmap()
605 		return vfio_platform_mmap_mmio(vdev->regions[index], vma);  in vfio_platform_mmap()
607 	else if (vdev->regions[index].type & VFIO_PLATFORM_REGION_TYPE_PIO)  in vfio_platform_mmap()