vfio/platform/vfio_platform_common.c

144 	vdev->regions = kcalloc(cnt, sizeof(struct vfio_platform_region),
146 	if (!vdev->regions)
153 		vdev->regions[i].addr = res->start;
154 		vdev->regions[i].size = resource_size(res);
155 		vdev->regions[i].flags = 0;
159 			vdev->regions[i].type = VFIO_PLATFORM_REGION_TYPE_MMIO;
160 			vdev->regions[i].flags |= VFIO_REGION_INFO_FLAG_READ;
162 				vdev->regions[i].flags |=
166 			 * Only regions addressed with PAGE granularity may be
169 			if (!(vdev->regions[i].addr & ~PAGE_MASK) &&
170 					!(vdev->regions[i].size & ~PAGE_MASK))
171 				vdev->regions[i].flags |=
176 			vdev->regions[i].type = VFIO_PLATFORM_REGION_TYPE_PIO;
187 	kfree(vdev->regions);
196 		iounmap(vdev->regions[i].ioaddr);
199 	kfree(vdev->regions);
319 		info.size = vdev->regions[info.index].size;
320 		info.flags = vdev->regions[info.index].flags;
451 	if (!(vdev->regions[index].flags & VFIO_REGION_INFO_FLAG_READ))
454 	if (vdev->regions[index].type & VFIO_PLATFORM_REGION_TYPE_MMIO)
455 		return vfio_platform_read_mmio(&vdev->regions[index],
457 	else if (vdev->regions[index].type & VFIO_PLATFORM_REGION_TYPE_PIO)
529 	if (!(vdev->regions[index].flags & VFIO_REGION_INFO_FLAG_WRITE))
532 	if (vdev->regions[index].type & VFIO_PLATFORM_REGION_TYPE_MMIO)
533 		return vfio_platform_write_mmio(&vdev->regions[index],
535 	else if (vdev->regions[index].type & VFIO_PLATFORM_REGION_TYPE_PIO)
581 	if (!(vdev->regions[index].flags & VFIO_REGION_INFO_FLAG_MMAP))
584 	if (!(vdev->regions[index].flags & VFIO_REGION_INFO_FLAG_READ)
588 	if (!(vdev->regions[index].flags & VFIO_REGION_INFO_FLAG_WRITE)
594 	if (vdev->regions[index].type & VFIO_PLATFORM_REGION_TYPE_MMIO)
595 		return vfio_platform_mmap_mmio(vdev->regions[index], vma);
597 	else if (vdev->regions[index].type & VFIO_PLATFORM_REGION_TYPE_PIO)