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-rw-r--r--hw/s390-virtio-bus.c2
-rw-r--r--hw/syborg_virtio.c2
-rw-r--r--hw/virtio-pci.c5
-rw-r--r--hw/virtio.h9
4 files changed, 14 insertions, 4 deletions
diff --git a/hw/s390-virtio-bus.c b/hw/s390-virtio-bus.c
index 9fc01e9..3efbaab 100644
--- a/hw/s390-virtio-bus.c
+++ b/hw/s390-virtio-bus.c
@@ -242,7 +242,7 @@ void s390_virtio_device_update_status(VirtIOS390Device *dev)
VirtIODevice *vdev = dev->vdev;
uint32_t features;
- vdev->status = ldub_phys(dev->dev_offs + VIRTIO_DEV_OFFS_STATUS);
+ virtio_set_status(vdev, ldub_phys(dev->dev_offs + VIRTIO_DEV_OFFS_STATUS));
/* Update guest supported feature bitmap */
diff --git a/hw/syborg_virtio.c b/hw/syborg_virtio.c
index 65239a0..abf0370 100644
--- a/hw/syborg_virtio.c
+++ b/hw/syborg_virtio.c
@@ -149,7 +149,7 @@ static void syborg_virtio_writel(void *opaque, target_phys_addr_t offset,
virtio_queue_notify(vdev, value);
break;
case SYBORG_VIRTIO_STATUS:
- vdev->status = value & 0xFF;
+ virtio_set_status(vdev, value & 0xFF);
if (vdev->status == 0)
virtio_reset(vdev);
break;
diff --git a/hw/virtio-pci.c b/hw/virtio-pci.c
index e23ab91..a8b15bd 100644
--- a/hw/virtio-pci.c
+++ b/hw/virtio-pci.c
@@ -219,7 +219,7 @@ static void virtio_ioport_write(void *opaque, uint32_t addr, uint32_t val)
virtio_queue_notify(vdev, val);
break;
case VIRTIO_PCI_STATUS:
- vdev->status = val & 0xFF;
+ virtio_set_status(vdev, val & 0xFF);
if (vdev->status == 0) {
virtio_reset(proxy->vdev);
msix_unuse_all_vectors(&proxy->pci_dev);
@@ -399,7 +399,8 @@ static void virtio_write_config(PCIDevice *pci_dev, uint32_t address,
if (PCI_COMMAND == address) {
if (!(val & PCI_COMMAND_MASTER)) {
if (!(proxy->bugs & VIRTIO_PCI_BUG_BUS_MASTER)) {
- proxy->vdev->status &= ~VIRTIO_CONFIG_S_DRIVER_OK;
+ virtio_set_status(proxy->vdev,
+ proxy->vdev->status & ~VIRTIO_CONFIG_S_DRIVER_OK);
}
}
}
diff --git a/hw/virtio.h b/hw/virtio.h
index d0155e2..d3eb714 100644
--- a/hw/virtio.h
+++ b/hw/virtio.h
@@ -115,12 +115,21 @@ 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;
uint16_t device_id;
};
+static inline void virtio_set_status(VirtIODevice *vdev, uint8_t val)
+{
+ if (vdev->set_status) {
+ vdev->set_status(vdev, val);
+ }
+ vdev->status = val;
+}
+
VirtQueue *virtio_add_queue(VirtIODevice *vdev, int queue_size,
void (*handle_output)(VirtIODevice *,
VirtQueue *));
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