On 2019/10/18 上午1:53, Alex Williamson wrote:
On Thu, 17 Oct 2019 18:48:34 +0800
Jason Wang<jasow...@redhat.com> wrote:
This patch implements basic support for mdev driver that supports
virtio transport for kernel virtio driver.
Signed-off-by: Jason Wang<jasow...@redhat.com>
---
drivers/vfio/mdev/mdev_core.c | 12 +++
include/linux/mdev.h | 4 +
include/linux/virtio_mdev.h | 151 ++++++++++++++++++++++++++++++++++
3 files changed, 167 insertions(+)
create mode 100644 include/linux/virtio_mdev.h
diff --git a/drivers/vfio/mdev/mdev_core.c b/drivers/vfio/mdev/mdev_core.c
index d0f3113c8071..5834f6b7c7a5 100644
--- a/drivers/vfio/mdev/mdev_core.c
+++ b/drivers/vfio/mdev/mdev_core.c
@@ -57,6 +57,18 @@ void mdev_set_vfio_ops(struct mdev_device *mdev,
}
EXPORT_SYMBOL(mdev_set_vfio_ops);
+/* Specify the virtio device ops for the mdev device, this
+ * must be called during create() callback for virtio mdev device.
+ */
+void mdev_set_virtio_ops(struct mdev_device *mdev,
+ const struct virtio_mdev_device_ops *virtio_ops)
+{
+ BUG_ON(mdev->class_id);
Nit, this one is a BUG_ON, but the vfio one is a WARN_ON. Thanks,
Alex
Let me fix in next version.
Thanks
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