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Diffstat (limited to 'hw/virtio/virtio-pci.c')
-rw-r--r--hw/virtio/virtio-pci.c41
1 files changed, 24 insertions, 17 deletions
diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c
index c87ec104be..a624b03e69 100644
--- a/hw/virtio/virtio-pci.c
+++ b/hw/virtio/virtio-pci.c
@@ -267,10 +267,10 @@ static void virtio_ioport_write(void *opaque, uint32_t addr, uint32_t val)
switch (addr) {
case VIRTIO_PCI_GUEST_FEATURES:
- /* Guest does not negotiate properly? We have to assume nothing. */
- if (val & (1 << VIRTIO_F_BAD_FEATURE)) {
- val = vdev->bad_features ? vdev->bad_features(vdev) : 0;
- }
+ /* Guest does not negotiate properly? We have to assume nothing. */
+ if (val & (1 << VIRTIO_F_BAD_FEATURE)) {
+ val = virtio_bus_get_vdev_bad_features(&proxy->bus);
+ }
virtio_set_features(vdev, val);
break;
case VIRTIO_PCI_QUEUE_PFN:
@@ -535,6 +535,7 @@ static int kvm_virtio_pci_vector_use(VirtIOPCIProxy *proxy, int nvqs)
{
PCIDevice *dev = &proxy->pci_dev;
VirtIODevice *vdev = proxy->vdev;
+ VirtioDeviceClass *k = VIRTIO_DEVICE_GET_CLASS(vdev);
unsigned int vector;
int ret, queue_no;
MSIMessage msg;
@@ -555,7 +556,7 @@ static int kvm_virtio_pci_vector_use(VirtIOPCIProxy *proxy, int nvqs)
/* If guest supports masking, set up irqfd now.
* Otherwise, delay until unmasked in the frontend.
*/
- if (proxy->vdev->guest_notifier_mask) {
+ if (k->guest_notifier_mask) {
ret = kvm_virtio_pci_irqfd_use(proxy, queue_no, vector);
if (ret < 0) {
kvm_virtio_pci_vq_vector_release(proxy, vector);
@@ -571,7 +572,7 @@ undo:
if (vector >= msix_nr_vectors_allocated(dev)) {
continue;
}
- if (proxy->vdev->guest_notifier_mask) {
+ if (k->guest_notifier_mask) {
kvm_virtio_pci_irqfd_release(proxy, queue_no, vector);
}
kvm_virtio_pci_vq_vector_release(proxy, vector);
@@ -585,6 +586,7 @@ static void kvm_virtio_pci_vector_release(VirtIOPCIProxy *proxy, int nvqs)
VirtIODevice *vdev = proxy->vdev;
unsigned int vector;
int queue_no;
+ VirtioDeviceClass *k = VIRTIO_DEVICE_GET_CLASS(vdev);
for (queue_no = 0; queue_no < nvqs; queue_no++) {
if (!virtio_queue_get_num(vdev, queue_no)) {
@@ -597,7 +599,7 @@ static void kvm_virtio_pci_vector_release(VirtIOPCIProxy *proxy, int nvqs)
/* If guest supports masking, clean up irqfd now.
* Otherwise, it was cleaned when masked in the frontend.
*/
- if (proxy->vdev->guest_notifier_mask) {
+ if (k->guest_notifier_mask) {
kvm_virtio_pci_irqfd_release(proxy, queue_no, vector);
}
kvm_virtio_pci_vq_vector_release(proxy, vector);
@@ -609,6 +611,7 @@ static int virtio_pci_vq_vector_unmask(VirtIOPCIProxy *proxy,
unsigned int vector,
MSIMessage msg)
{
+ VirtioDeviceClass *k = VIRTIO_DEVICE_GET_CLASS(proxy->vdev);
VirtQueue *vq = virtio_get_queue(proxy->vdev, queue_no);
EventNotifier *n = virtio_queue_get_guest_notifier(vq);
VirtIOIRQFD *irqfd;
@@ -627,11 +630,11 @@ static int virtio_pci_vq_vector_unmask(VirtIOPCIProxy *proxy,
/* If guest supports masking, irqfd is already setup, unmask it.
* Otherwise, set it up now.
*/
- if (proxy->vdev->guest_notifier_mask) {
- proxy->vdev->guest_notifier_mask(proxy->vdev, queue_no, false);
+ if (k->guest_notifier_mask) {
+ k->guest_notifier_mask(proxy->vdev, queue_no, false);
/* Test after unmasking to avoid losing events. */
- if (proxy->vdev->guest_notifier_pending &&
- proxy->vdev->guest_notifier_pending(proxy->vdev, queue_no)) {
+ if (k->guest_notifier_pending &&
+ k->guest_notifier_pending(proxy->vdev, queue_no)) {
event_notifier_set(n);
}
} else {
@@ -644,11 +647,13 @@ static void virtio_pci_vq_vector_mask(VirtIOPCIProxy *proxy,
unsigned int queue_no,
unsigned int vector)
{
+ VirtioDeviceClass *k = VIRTIO_DEVICE_GET_CLASS(proxy->vdev);
+
/* If guest supports masking, keep irqfd but mask it.
* Otherwise, clean it up now.
*/
- if (proxy->vdev->guest_notifier_mask) {
- proxy->vdev->guest_notifier_mask(proxy->vdev, queue_no, true);
+ if (k->guest_notifier_mask) {
+ k->guest_notifier_mask(proxy->vdev, queue_no, true);
} else {
kvm_virtio_pci_irqfd_release(proxy, queue_no, vector);
}
@@ -708,6 +713,7 @@ static void virtio_pci_vector_poll(PCIDevice *dev,
{
VirtIOPCIProxy *proxy = container_of(dev, VirtIOPCIProxy, pci_dev);
VirtIODevice *vdev = proxy->vdev;
+ VirtioDeviceClass *k = VIRTIO_DEVICE_GET_CLASS(vdev);
int queue_no;
unsigned int vector;
EventNotifier *notifier;
@@ -724,8 +730,8 @@ static void virtio_pci_vector_poll(PCIDevice *dev,
}
vq = virtio_get_queue(vdev, queue_no);
notifier = virtio_queue_get_guest_notifier(vq);
- if (vdev->guest_notifier_pending) {
- if (vdev->guest_notifier_pending(vdev, queue_no)) {
+ if (k->guest_notifier_pending) {
+ if (k->guest_notifier_pending(vdev, queue_no)) {
msix_set_pending(dev, vector);
}
} else if (event_notifier_test_and_clear(notifier)) {
@@ -765,6 +771,7 @@ static int virtio_pci_set_guest_notifiers(DeviceState *d, int nvqs, bool assign)
{
VirtIOPCIProxy *proxy = to_virtio_pci_proxy(d);
VirtIODevice *vdev = proxy->vdev;
+ VirtioDeviceClass *k = VIRTIO_DEVICE_GET_CLASS(vdev);
int r, n;
bool with_irqfd = msix_enabled(&proxy->pci_dev) &&
kvm_msi_via_irqfd_enabled();
@@ -779,7 +786,7 @@ static int virtio_pci_set_guest_notifiers(DeviceState *d, int nvqs, bool assign)
proxy->nvqs_with_notifiers = nvqs;
/* Must unset vector notifier while guest notifier is still assigned */
- if ((proxy->vector_irqfd || vdev->guest_notifier_mask) && !assign) {
+ if ((proxy->vector_irqfd || k->guest_notifier_mask) && !assign) {
msix_unset_vector_notifiers(&proxy->pci_dev);
if (proxy->vector_irqfd) {
kvm_virtio_pci_vector_release(proxy, nvqs);
@@ -801,7 +808,7 @@ static int virtio_pci_set_guest_notifiers(DeviceState *d, int nvqs, bool assign)
}
/* Must set vector notifier after guest notifier has been assigned */
- if ((with_irqfd || vdev->guest_notifier_mask) && assign) {
+ if ((with_irqfd || k->guest_notifier_mask) && assign) {
if (with_irqfd) {
proxy->vector_irqfd =
g_malloc0(sizeof(*proxy->vector_irqfd) *
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-13 01:03:20 +0000