[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[PATCH v10 06/10] virtio-iommu: Add notify_flag_changed() memory region
From: |
Jean-Philippe Brucker |
Subject: |
[PATCH v10 06/10] virtio-iommu: Add notify_flag_changed() memory region callback |
Date: |
Thu, 8 Oct 2020 19:15:54 +0200 |
From: Bharat Bhushan <bbhushan2@marvell.com>
Add notify_flag_changed() to notice when memory listeners are added and
removed.
Signed-off-by: Bharat Bhushan <bbhushan2@marvell.com>
Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
---
v10:
* Use notifier flags instead of notifiers_list
* Homogenize tracepoints
---
hw/virtio/virtio-iommu.c | 14 ++++++++++++++
hw/virtio/trace-events | 2 ++
2 files changed, 16 insertions(+)
diff --git a/hw/virtio/virtio-iommu.c b/hw/virtio/virtio-iommu.c
index d2b96846134..8823bfc804a 100644
--- a/hw/virtio/virtio-iommu.c
+++ b/hw/virtio/virtio-iommu.c
@@ -901,6 +901,19 @@ unlock:
qemu_mutex_unlock(&s->mutex);
}
+static int virtio_iommu_notify_flag_changed(IOMMUMemoryRegion *iommu_mr,
+ IOMMUNotifierFlag old,
+ IOMMUNotifierFlag new,
+ Error **errp)
+{
+ if (old == IOMMU_NOTIFIER_NONE) {
+ trace_virtio_iommu_notify_flag_add(iommu_mr->parent_obj.name);
+ } else if (new == IOMMU_NOTIFIER_NONE) {
+ trace_virtio_iommu_notify_flag_del(iommu_mr->parent_obj.name);
+ }
+ return 0;
+}
+
static void virtio_iommu_device_realize(DeviceState *dev, Error **errp)
{
VirtIODevice *vdev = VIRTIO_DEVICE(dev);
@@ -1132,6 +1145,7 @@ static void
virtio_iommu_memory_region_class_init(ObjectClass *klass,
imrc->translate = virtio_iommu_translate;
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 16f4729db4b..9108992bcc3 100644
--- a/hw/virtio/trace-events
+++ b/hw/virtio/trace-events
@@ -109,6 +109,8 @@ virtio_iommu_fill_resv_property(uint32_t devid, uint8_t
subtype, uint64_t start,
virtio_iommu_notify_map(const char *name, uint64_t virt_start, uint64_t
virt_end, uint64_t phys_start) "mr=%s virt_start=0x%"PRIx64"
virt_end=0x%"PRIx64" phys_start=0x%"PRIx64
virtio_iommu_notify_unmap(const char *name, uint64_t virt_start, uint64_t
virt_end) "mr=%s virt_start=0x%"PRIx64" virt_end=0x%"PRIx64
virtio_iommu_remap(const char *name, uint64_t virt_start, uint64_t virt_end,
uint64_t phys_start) "mr=%s virt_start=0x%"PRIx64" virt_end=0x%"PRIx64"
phys_start=0x%"PRIx64
+virtio_iommu_notify_flag_add(const char *name) "add notifier mr=%s"
+virtio_iommu_notify_flag_del(const char *name) "del notifier mr=%s"
# virtio-mem.c
virtio_mem_send_response(uint16_t type) "type=%" PRIu16
--
2.28.0
- [PATCH v10 04/10] virtio-iommu: Call memory notifiers in attach/detach, (continued)
- [PATCH v10 04/10] virtio-iommu: Call memory notifiers in attach/detach, Jean-Philippe Brucker, 2020/10/08
- [PATCH v10 02/10] virtio-iommu: Store memory region in endpoint struct, Jean-Philippe Brucker, 2020/10/08
- [PATCH v10 03/10] virtio-iommu: Add memory notifiers for map/unmap, Jean-Philippe Brucker, 2020/10/08
- [PATCH v10 05/10] virtio-iommu: Add replay() memory region callback, Jean-Philippe Brucker, 2020/10/08
- [PATCH v10 06/10] virtio-iommu: Add notify_flag_changed() memory region callback,
Jean-Philippe Brucker <=
- [PATCH v10 07/10] memory: Add interface to set iommu page size mask, Jean-Philippe Brucker, 2020/10/08
- [PATCH v10 09/10] virtio-iommu: Set supported page size mask, Jean-Philippe Brucker, 2020/10/08