We originally did get config on map, so that following write accesses are done on an updated config. New memory API doesn't give us a callback on map, and arguably, devices don't know when cpu really can access there. So updating on init seems cleaner.
Signed-off-by: Michael S. Tsirkin <m...@redhat.com> --- OK, this should go on Avi's branch and the memory API can go on top. hw/virtio-pci.c | 7 +++---- 1 files changed, 3 insertions(+), 4 deletions(-) diff --git a/hw/virtio-pci.c b/hw/virtio-pci.c index 4f770fe..afae846 100644 --- a/hw/virtio-pci.c +++ b/hw/virtio-pci.c @@ -507,9 +507,6 @@ static void virtio_map(PCIDevice *pci_dev, int region_num, register_ioport_read(addr, config_len, 1, virtio_pci_config_readb, proxy); register_ioport_read(addr, config_len, 2, virtio_pci_config_readw, proxy); register_ioport_read(addr, config_len, 4, virtio_pci_config_readl, proxy); - - if (vdev->config_len) - vdev->get_config(vdev, vdev->config); } static void virtio_write_config(PCIDevice *pci_dev, uint32_t address, @@ -689,6 +686,10 @@ void virtio_init_pci(VirtIOPCIProxy *proxy, VirtIODevice *vdev) proxy->host_features |= 0x1 << VIRTIO_F_NOTIFY_ON_EMPTY; proxy->host_features |= 0x1 << VIRTIO_F_BAD_FEATURE; proxy->host_features = vdev->get_features(vdev, proxy->host_features); + + if (vdev->config_len) { + vdev->get_config(vdev, vdev->config); + } } static int virtio_blk_init_pci(PCIDevice *pci_dev) -- 1.7.5.53.gc233e