[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[PATCH v8 8/8] virtio-iommu: add iommu notifier memory-region
From: |
Bharat Bhushan |
Subject: |
[PATCH v8 8/8] virtio-iommu: add iommu notifier memory-region |
Date: |
Wed, 18 Mar 2020 15:41:59 +0530 |
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 <address@hidden>
---
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 b68644f7c3..515c965e3c 100644
--- a/hw/virtio/virtio-iommu.c
+++ b/hw/virtio/virtio-iommu.c
@@ -814,6 +814,27 @@ 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);
@@ -1033,6 +1054,7 @@ 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 8bae651191..a486adcf6d 100644
--- a/hw/virtio/trace-events
+++ b/hw/virtio/trace-events
@@ -76,3 +76,5 @@ virtio_iommu_report_fault(uint8_t reason, uint32_t flags,
uint32_t endpoint, uin
virtio_iommu_notify_map(const char *name, uint64_t iova, uint64_t paddr,
uint64_t map_size) "mr=%s iova=0x%"PRIx64" pa=0x%" PRIx64" size=0x%"PRIx64
virtio_iommu_notify_unmap(const char *name, uint64_t iova, uint64_t map_size)
"mr=%s iova=0x%"PRIx64" size=0x%"PRIx64
virtio_iommu_remap(uint64_t iova, uint64_t pa, uint64_t size)
"iova=0x%"PRIx64" pa=0x%" PRIx64" size=0x%"PRIx64""
+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
- [PATCH v8 1/8] hw/vfio/common: Remove error print on mmio region translation by viommu, (continued)
- [PATCH v8 5/8] virtio-iommu: Add iommu notifier for map/unmap, Bharat Bhushan, 2020/03/18
- [PATCH v8 6/8] virtio-iommu: Call iommu notifier for attach/detach, Bharat Bhushan, 2020/03/18
- [PATCH v8 7/8] virtio-iommu: add iommu replay, Bharat Bhushan, 2020/03/18
- [PATCH v8 8/8] virtio-iommu: add iommu notifier memory-region,
Bharat Bhushan <=
- Re: [PATCH v8 0/8] virtio-iommu: VFIO integration, Auger Eric, 2020/03/18