[PATCH 2/7] vfio/pci: Implement match ops

Alex Williamson
2020-02-11T23:05:46Z

This currently serves the same purpose as the default implementation
but will be expanded for additional functionality.

Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
---
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 379a02c36e37..2ec6c31d0ab0 100644
--- a/drivers/vfio/pci/vfio_pci.c
+++ b/drivers/vfio/pci/vfio_pci.c
@@ -1278,6 +1278,13 @@ 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);
+}
+
static const struct vfio_device_ops vfio_pci_ops = {
.name = "vfio-pci",
.open = vfio_pci_open,
@@ -1287,6 +1294,7 @@ 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);