This currently serves the same purpose as the default implementation
but will be expanded for additional functionality.
Signed-off-by: Alex Williamson <alex.williamson@xxxxxxxxxx>
---
drivers/vfio/pci/vfio_pci.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/drivers/vfio/pci/vfio_pci.c b/drivers/vfio/pci/vfio_pci.c
index 02206162eaa9..6b3e73a33cbf 100644
--- a/drivers/vfio/pci/vfio_pci.c
+++ b/drivers/vfio/pci/vfio_pci.c
@@ -1275,6 +1275,13 @@ static void vfio_pci_request(void *device_data, unsigned int count)
mutex_unlock(&vdev->igate);
}
+static int vfio_pci_match(void *device_data, char *buf)
+{
+ struct vfio_pci_device *vdev = device_data;
+
+ return strcmp(pci_name(vdev->pdev), buf) ? -ENODEV : 0;
+}
+
static const struct vfio_device_ops vfio_pci_ops = {
.name = "vfio-pci",
.open = vfio_pci_open,
@@ -1284,6 +1291,7 @@ static const struct vfio_device_ops vfio_pci_ops = {
.write = vfio_pci_write,
.mmap = vfio_pci_mmap,
.request = vfio_pci_request,
+ .match = vfio_pci_match,
};
static int vfio_pci_reflck_attach(struct vfio_pci_device *vdev);
