@@ -241,8 +241,13 @@ void s390_virtio_device_update_status(VirtIOS390Device *dev)
{
VirtIODevice *vdev = dev->vdev;
uint32_t features;
+ uint8_t status;
- vdev->status = ldub_phys(dev->dev_offs + VIRTIO_DEV_OFFS_STATUS);
+ status = ldub_phys(dev->dev_offs + VIRTIO_DEV_OFFS_STATUS);
+ if (vdev->set_status) {
+ vdev->set_status(vdev, status);
+ }
+ vdev->status = status;
/* Update guest supported feature bitmap */
@@ -149,6 +149,8 @@ static void syborg_virtio_writel(void *opaque, target_phys_addr_t offset,
virtio_queue_notify(vdev, value);
break;
case SYBORG_VIRTIO_STATUS:
+ if (vdev->set_status)
+ vdev->set_status(vdev, value & 0xFF);
vdev->status = value & 0xFF;
if (vdev->status == 0)
virtio_reset(vdev);
@@ -206,6 +206,9 @@ static void virtio_ioport_write(void *opaque, uint32_t addr, uint32_t val)
virtio_queue_notify(vdev, val);
break;
case VIRTIO_PCI_STATUS:
+ if (vdev->set_status) {
+ vdev->set_status(vdev, val & 0xFF);
+ }
vdev->status = val & 0xFF;
if (vdev->status == 0) {
virtio_reset(proxy->vdev);
@@ -377,7 +380,11 @@ static void virtio_write_config(PCIDevice *pci_dev, uint32_t address,
if (PCI_COMMAND == address) {
if (!(val & PCI_COMMAND_MASTER)) {
- proxy->vdev->status &= ~VIRTIO_CONFIG_S_DRIVER_OK;
+ uint8_t status = proxy->vdev->status & ~VIRTIO_CONFIG_S_DRIVER_OK;
+ if (proxy->vdev->set_status) {
+ proxy->vdev->set_status(proxy->vdev, status);
+ }
+ proxy->vdev->status = status;
}
}
@@ -115,6 +115,7 @@ struct VirtIODevice
void (*get_config)(VirtIODevice *vdev, uint8_t *config);
void (*set_config)(VirtIODevice *vdev, const uint8_t *config);
void (*reset)(VirtIODevice *vdev);
+ void (*set_status)(VirtIODevice *vdev, uint8_t val);
VirtQueue *vq;
const VirtIOBindings *binding;
void *binding_opaque;
vhost net backend needs to be notified when frontend status changes. Add a callback, similar to set_features. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> --- hw/s390-virtio-bus.c | 7 ++++++- hw/syborg_virtio.c | 2 ++ hw/virtio-pci.c | 9 ++++++++- hw/virtio.h | 1 + 4 files changed, 17 insertions(+), 2 deletions(-)