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[PULL v3 18/31] virtio-iommu: Add notify_flag_changed() memory region ca
From: |
Michael S. Tsirkin |
Subject: |
[PULL v3 18/31] virtio-iommu: Add notify_flag_changed() memory region callback |
Date: |
Wed, 4 Nov 2020 13:42:08 -0500 |
From: Bharat Bhushan <bbhushan2@marvell.com>
Add notify_flag_changed() to notice when memory listeners are added and
removed.
Acked-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Bharat Bhushan <bbhushan2@marvell.com>
Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Message-Id: <20201030180510.747225-7-jean-philippe@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
---
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 985257c88f..78e07aa40a 100644
--- a/hw/virtio/virtio-iommu.c
+++ b/hw/virtio/virtio-iommu.c
@@ -886,6 +886,19 @@ 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);
@@ -1116,6 +1129,7 @@ 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 ea3c3b25ad..982d0002a6 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, uint32_t flags) "mr=%s virt_start=0x%"PRIx64"
virt_end=0x%"PRIx64" phys_start=0x%"PRIx64" flags=%d"
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 to mr %s"
+virtio_iommu_notify_flag_del(const char *name) "del notifier from mr %s"
# virtio-mem.c
virtio_mem_send_response(uint16_t type) "type=%" PRIu16
--
MST
- [PULL v3 22/31] vfio: Don't issue full 2^64 unmap, (continued)
- [PULL v3 22/31] vfio: Don't issue full 2^64 unmap, Michael S. Tsirkin, 2020/11/04
- [PULL v3 23/31] vhost-vdpa: Add qemu_close in vhost_vdpa_cleanup, Michael S. Tsirkin, 2020/11/04
- [PULL v3 24/31] net: Add vhost-vdpa in show_netdevs(), Michael S. Tsirkin, 2020/11/04
- [PULL v3 25/31] Revert "vhost-blk: set features before setting inflight feature", Michael S. Tsirkin, 2020/11/04
- [PULL v3 26/31] vhost-blk: set features before setting inflight feature, Michael S. Tsirkin, 2020/11/04
- [PULL v3 27/31] libvhost-user: follow QEMU comment style, Michael S. Tsirkin, 2020/11/04
- [PULL v3 28/31] configure: introduce --enable-vhost-user-blk-server, Michael S. Tsirkin, 2020/11/04
- [PULL v3 29/31] block/export: make vhost-user-blk config space little-endian, Michael S. Tsirkin, 2020/11/04
- [PULL v3 30/31] block/export: fix vhost-user-blk get_config() information leak, Michael S. Tsirkin, 2020/11/04
- [PULL v3 31/31] contrib/vhost-user-blk: fix get_config() information leak, Michael S. Tsirkin, 2020/11/04
- [PULL v3 18/31] virtio-iommu: Add notify_flag_changed() memory region callback,
Michael S. Tsirkin <=
- [PULL v3 10/31] hw/acpi : add spaces around operator, Michael S. Tsirkin, 2020/11/04
- Re: [PULL v3 00/31] pc,pci,vhost,virtio: fixes, Peter Maydell, 2020/11/05