77 lines
2.5 KiB
Diff
77 lines
2.5 KiB
Diff
vhost net backend needs to be notified when
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frontend status changes. Add a callback.
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Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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---
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hw/s390-virtio-bus.c | 3 +++
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hw/syborg_virtio.c | 2 ++
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hw/virtio-pci.c | 6 ++++++
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hw/virtio.h | 1 +
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4 files changed, 12 insertions(+), 0 deletions(-)
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diff --git a/hw/s390-virtio-bus.c b/hw/s390-virtio-bus.c
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index 980e7eb..f45b67d 100644
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--- a/hw/s390-virtio-bus.c
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+++ b/hw/s390-virtio-bus.c
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@@ -243,6 +243,9 @@ void s390_virtio_device_update_status(VirtIOS390Device *dev)
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uint32_t features;
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vdev->status = ldub_phys(dev->dev_offs + VIRTIO_DEV_OFFS_STATUS);
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+ if (vdev->set_status) {
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+ vdev->set_status(vdev);
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+ }
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/* Update guest supported feature bitmap */
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diff --git a/hw/syborg_virtio.c b/hw/syborg_virtio.c
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index 65239a0..19f6473 100644
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--- a/hw/syborg_virtio.c
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+++ b/hw/syborg_virtio.c
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@@ -152,6 +152,8 @@ static void syborg_virtio_writel(void *opaque, target_phys_addr_t offset,
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vdev->status = value & 0xFF;
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if (vdev->status == 0)
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virtio_reset(vdev);
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+ if (vdev->set_status)
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+ vdev->set_status(vdev);
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break;
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case SYBORG_VIRTIO_INT_ENABLE:
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s->int_enable = value;
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diff --git a/hw/virtio-pci.c b/hw/virtio-pci.c
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index 573c98a..05898c8 100644
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--- a/hw/virtio-pci.c
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+++ b/hw/virtio-pci.c
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@@ -208,6 +208,9 @@ static void virtio_ioport_write(void *opaque, uint32_t addr, uint32_t val)
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virtio_reset(proxy->vdev);
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msix_unuse_all_vectors(&proxy->pci_dev);
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}
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+ if (vdev->set_status) {
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+ vdev->set_status(vdev);
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+ }
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break;
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case VIRTIO_MSI_CONFIG_VECTOR:
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msix_vector_unuse(&proxy->pci_dev, vdev->config_vector);
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@@ -375,6 +378,9 @@ static void virtio_write_config(PCIDevice *pci_dev, uint32_t address,
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if (PCI_COMMAND == address) {
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if (!(val & PCI_COMMAND_MASTER)) {
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proxy->vdev->status &= ~VIRTIO_CONFIG_S_DRIVER_OK;
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+ if (proxy->vdev->set_status) {
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+ proxy->vdev->set_status(proxy->vdev);
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+ }
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}
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}
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diff --git a/hw/virtio.h b/hw/virtio.h
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index f140ca3..39d0763 100644
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--- a/hw/virtio.h
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+++ b/hw/virtio.h
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@@ -114,6 +114,7 @@ struct VirtIODevice
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void (*get_config)(VirtIODevice *vdev, uint8_t *config);
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void (*set_config)(VirtIODevice *vdev, const uint8_t *config);
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void (*reset)(VirtIODevice *vdev);
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+ void (*set_status)(VirtIODevice *vdev);
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VirtQueue *vq;
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const VirtIOBindings *binding;
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void *binding_opaque;
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--
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1.6.6.144.g5c3af
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