diff options
Diffstat (limited to 'hw/virtio/virtio-iommu.c')
| -rw-r--r-- | hw/virtio/virtio-iommu.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/hw/virtio/virtio-iommu.c b/hw/virtio/virtio-iommu.c index 7b64892351..985257c88f 100644 --- a/hw/virtio/virtio-iommu.c +++ b/hw/virtio/virtio-iommu.c @@ -847,6 +847,45 @@ static gint int_cmp(gconstpointer a, gconstpointer b, gpointer user_data) return (ua > ub) - (ua < ub); } +static gboolean virtio_iommu_remap(gpointer key, gpointer value, gpointer data) +{ + VirtIOIOMMUMapping *mapping = (VirtIOIOMMUMapping *) value; + VirtIOIOMMUInterval *interval = (VirtIOIOMMUInterval *) key; + IOMMUMemoryRegion *mr = (IOMMUMemoryRegion *) data; + + trace_virtio_iommu_remap(mr->parent_obj.name, interval->low, interval->high, + mapping->phys_addr); + virtio_iommu_notify_map(mr, interval->low, interval->high, + mapping->phys_addr, mapping->flags); + return false; +} + +static void virtio_iommu_replay(IOMMUMemoryRegion *mr, IOMMUNotifier *n) +{ + IOMMUDevice *sdev = container_of(mr, IOMMUDevice, iommu_mr); + VirtIOIOMMU *s = sdev->viommu; + uint32_t sid; + VirtIOIOMMUEndpoint *ep; + + sid = virtio_iommu_get_bdf(sdev); + + qemu_mutex_lock(&s->mutex); + + if (!s->endpoints) { + goto unlock; + } + + ep = g_tree_lookup(s->endpoints, GUINT_TO_POINTER(sid)); + if (!ep || !ep->domain) { + goto unlock; + } + + g_tree_foreach(ep->domain->mappings, virtio_iommu_remap, mr); + +unlock: + qemu_mutex_unlock(&s->mutex); +} + static void virtio_iommu_device_realize(DeviceState *dev, Error **errp) { VirtIODevice *vdev = VIRTIO_DEVICE(dev); @@ -1076,6 +1115,7 @@ static void virtio_iommu_memory_region_class_init(ObjectClass *klass, IOMMUMemoryRegionClass *imrc = IOMMU_MEMORY_REGION_CLASS(klass); imrc->translate = virtio_iommu_translate; + imrc->replay = virtio_iommu_replay; } static const TypeInfo virtio_iommu_info = { |