static void pci_config(void) { QVirtioPCIDevice *dev; QOSState *qs; int n_size = TEST_IMAGE_SIZE / 2; uint64_t capacity; qs = pci_test_start(); dev = virtio_blk_pci_init(qs->pcibus, PCI_SLOT); capacity = qvirtio_config_readq(&dev->vdev, 0); g_assert_cmpint(capacity, ==, TEST_IMAGE_SIZE / 512); qvirtio_set_driver_ok(&dev->vdev); qmp_discard_response("{ 'execute': 'block_resize', " " 'arguments': { 'device': 'drive0', " " 'size': %d } }", n_size); qvirtio_wait_config_isr(&dev->vdev, QVIRTIO_BLK_TIMEOUT_US); capacity = qvirtio_config_readq(&dev->vdev, 0); g_assert_cmpint(capacity, ==, n_size / 512); qvirtio_pci_device_disable(dev); g_free(dev); qtest_shutdown(qs); }