static int virtio_gpu_load(QEMUFile *f, void *opaque, size_t size) { VirtIOGPU *g = opaque; struct virtio_gpu_simple_resource *res; struct virtio_gpu_scanout *scanout; uint32_t resource_id, pformat; int i; g->hostmem = 0; resource_id = qemu_get_be32(f); while (resource_id != 0) { res = g_new0(struct virtio_gpu_simple_resource, 1); res->resource_id = resource_id; res->width = qemu_get_be32(f); res->height = qemu_get_be32(f); res->format = qemu_get_be32(f); res->iov_cnt = qemu_get_be32(f); /* allocate */ pformat = get_pixman_format(res->format); if (!pformat) { return -EINVAL; res->image = pixman_image_create_bits(pformat, res->width, res->height, NULL, 0); if (!res->image) { return -EINVAL; res->hostmem = PIXMAN_FORMAT_BPP(pformat) * res->width * res->height; res->addrs = g_new(uint64_t, res->iov_cnt); res->iov = g_new(struct iovec, res->iov_cnt); /* read data */ for (i = 0; i < res->iov_cnt; i++) { res->addrs[i] = qemu_get_be64(f); res->iov[i].iov_len = qemu_get_be32(f); qemu_get_buffer(f, (void *)pixman_image_get_data(res->image), pixman_image_get_stride(res->image) * res->height); /* restore mapping */ for (i = 0; i < res->iov_cnt; i++) { hwaddr len = res->iov[i].iov_len; res->iov[i].iov_base = cpu_physical_memory_map(res->addrs[i], &len, 1); if (!res->iov[i].iov_base || len != res->iov[i].iov_len) { return -EINVAL; QTAILQ_INSERT_HEAD(&g->reslist, res, next); g->hostmem += res->hostmem; resource_id = qemu_get_be32(f); /* load & apply scanout state */ vmstate_load_state(f, &vmstate_virtio_gpu_scanouts, g, 1); for (i = 0; i < g->conf.max_outputs; i++) { scanout = &g->scanout[i]; if (!scanout->resource_id) { continue; res = virtio_gpu_find_resource(g, scanout->resource_id); if (!res) { return -EINVAL; scanout->ds = qemu_create_displaysurface_pixman(res->image); if (!scanout->ds) { return -EINVAL; dpy_gfx_replace_surface(scanout->con, scanout->ds); dpy_gfx_update(scanout->con, 0, 0, scanout->width, scanout->height); update_cursor(g, &scanout->cursor); res->scanout_bitmask |= (1 << i); return 0;