Finally add notify_flag_changed() to for memory-region access flag iommu flag change notifier
Finally add the memory notifier Signed-off-by: Bharat Bhushan <bbhush...@marvell.com> --- hw/virtio/virtio-iommu.c | 22 ++++++++++++++++++++++ hw/virtio/trace-events | 2 ++ 2 files changed, 24 insertions(+) diff --git a/hw/virtio/virtio-iommu.c b/hw/virtio/virtio-iommu.c index 63fbacdcdc..413792b626 100644 --- a/hw/virtio/virtio-iommu.c +++ b/hw/virtio/virtio-iommu.c @@ -966,6 +966,27 @@ unlock: qemu_mutex_unlock(&s->mutex); } +static int virtio_iommu_notify_flag_changed(IOMMUMemoryRegion *iommu_mr, + IOMMUNotifierFlag old, + IOMMUNotifierFlag new, + Error **errp) +{ + IOMMUDevice *sdev = container_of(iommu_mr, IOMMUDevice, iommu_mr); + VirtIOIOMMU *s = sdev->viommu; + + if (old == IOMMU_NOTIFIER_NONE) { + trace_virtio_iommu_notify_flag_add(iommu_mr->parent_obj.name); + QLIST_INSERT_HEAD(&s->notifiers_list, sdev, next); + return 0; + } + + if (new == IOMMU_NOTIFIER_NONE) { + trace_virtio_iommu_notify_flag_del(iommu_mr->parent_obj.name); + QLIST_REMOVE(sdev, next); + } + return 0; +} + static void virtio_iommu_device_realize(DeviceState *dev, Error **errp) { VirtIODevice *vdev = VIRTIO_DEVICE(dev); @@ -1187,6 +1208,7 @@ static void virtio_iommu_memory_region_class_init(ObjectClass *klass, imrc->translate = virtio_iommu_translate; imrc->iommu_set_page_size_mask = virtio_iommu_set_page_size_mask; imrc->replay = virtio_iommu_replay; + imrc->notify_flag_changed = virtio_iommu_notify_flag_changed; } static const TypeInfo virtio_iommu_info = { diff --git a/hw/virtio/trace-events b/hw/virtio/trace-events index b0a6e4bda3..6b7495ac3d 100644 --- a/hw/virtio/trace-events +++ b/hw/virtio/trace-events @@ -78,3 +78,5 @@ virtio_iommu_notify_unmap(const char *name, uint64_t iova, uint64_t map_size) "m virtio_iommu_remap(uint64_t iova, uint64_t pa, uint64_t size) "iova=0x%"PRIx64" pa=0x%" PRIx64" size=0x%"PRIx64"" virtio_iommu_fill_none_property(uint32_t devid) "devid=%d" virtio_iommu_fill_pgsize_mask_property(uint32_t devid, uint64_t pgsize_mask, size_t filled) "dev= %d, pgsize_mask=0x%"PRIx64" filled=0x%lx" +virtio_iommu_notify_flag_add(const char *iommu) "Add virtio-iommu notifier node for memory region %s" +virtio_iommu_notify_flag_del(const char *iommu) "Del virtio-iommu notifier node for memory region %s" -- 2.17.1