[v1] virtio,pc,pci: fixes, features, cleanups

[PULL 24/40] vhost: expose function vhost_dev_has_iommu()

Michael S. Tsirkin posted 40 patches 2 years, 8 months ago

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Maintainers: Eduardo Habkost <eduardo@habkost.net>, Marcel Apfelbaum <marcel.apfelbaum@gmail.com>, "Philippe Mathieu-Daudé" <philmd@linaro.org>, Yanan Wang <wangyanan55@huawei.com>, Jonathan Cameron <jonathan.cameron@huawei.com>, Fan Ni <fan.ni@samsung.com>, Paolo Bonzini <pbonzini@redhat.com>, Richard Henderson <richard.henderson@linaro.org>, "Michael S. Tsirkin" <mst@redhat.com>, Jason Wang <jasowang@redhat.com>, "Eugenio Pérez" <eperezma@redhat.com>, "Gonglei (Arei)" <arei.gonglei@huawei.com>, David Hildenbrand <david@redhat.com>, Aurelien Jarno <aurelien@aurel32.net>, "Hervé Poussineau" <hpoussin@reactos.org>, Igor Mammedov <imammedo@redhat.com>, Ani Sinha <anisinha@redhat.com>, Thomas Huth <thuth@redhat.com>, Laurent Vivier <lvivier@redhat.com>

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[PULL 24/40] vhost: expose function vhost_dev_has_iommu()

Posted by Michael S. Tsirkin 2 years, 8 months ago

From: Cindy Lu <lulu@redhat.com>

To support vIOMMU in vdpa, need to exposed the function
vhost_dev_has_iommu, vdpa will use this function to check
if vIOMMU enable.

Signed-off-by: Cindy Lu <lulu@redhat.com>
Message-Id: <20230510054631.2951812-2-lulu@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
---
 include/hw/virtio/vhost.h | 1 +
 hw/virtio/vhost.c         | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/include/hw/virtio/vhost.h b/include/hw/virtio/vhost.h
index a52f273347..f7f10c8fb7 100644
--- a/include/hw/virtio/vhost.h
+++ b/include/hw/virtio/vhost.h
@@ -336,4 +336,5 @@ int vhost_dev_set_inflight(struct vhost_dev *dev,
                            struct vhost_inflight *inflight);
 int vhost_dev_get_inflight(struct vhost_dev *dev, uint16_t queue_size,
                            struct vhost_inflight *inflight);
+bool vhost_dev_has_iommu(struct vhost_dev *dev);
 #endif
diff --git a/hw/virtio/vhost.c b/hw/virtio/vhost.c
index 746d130c74..23da579ce2 100644
--- a/hw/virtio/vhost.c
+++ b/hw/virtio/vhost.c
@@ -107,7 +107,7 @@ static void vhost_dev_sync_region(struct vhost_dev *dev,
     }
 }
 
-static bool vhost_dev_has_iommu(struct vhost_dev *dev)
+bool vhost_dev_has_iommu(struct vhost_dev *dev)
 {
     VirtIODevice *vdev = dev->vdev;
 
-- 
MST