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| author | Michael S. Tsirkin <mst@redhat.com> | 2015-01-15 15:06:26 +0100 |
|---|---|---|
| committer | Rusty Russell <rusty@rustcorp.com.au> | 2015-01-21 06:58:59 +0100 |
| commit | 46506da5f365efe7fe3e4c9da73ab679c0382fac (patch) | |
| tree | e8f11e77b344a635815b60968f4f694d3f60af93 /drivers/virtio/virtio_pci_common.h | |
| parent | virtio_pci: drop Kconfig warnings (diff) | |
| download | linux-46506da5f365efe7fe3e4c9da73ab679c0382fac.tar.xz linux-46506da5f365efe7fe3e4c9da73ab679c0382fac.zip | |
virtio_pci: add an option to disable legacy driver
Useful for testing device virtio 1 compatibility.
Based on patch by Rusty - couldn't resist putting
that flying car joke in there!
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Diffstat (limited to 'drivers/virtio/virtio_pci_common.h')
| -rw-r--r-- | drivers/virtio/virtio_pci_common.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/virtio/virtio_pci_common.h b/drivers/virtio/virtio_pci_common.h index d39180512761..28ee4e56badf 100644 --- a/drivers/virtio/virtio_pci_common.h +++ b/drivers/virtio/virtio_pci_common.h @@ -147,8 +147,18 @@ const char *vp_bus_name(struct virtio_device *vdev); */ int vp_set_vq_affinity(struct virtqueue *vq, int cpu); +#if IS_ENABLED(CONFIG_VIRTIO_PCI_LEGACY) int virtio_pci_legacy_probe(struct virtio_pci_device *); void virtio_pci_legacy_remove(struct virtio_pci_device *); +#else +static inline int virtio_pci_legacy_probe(struct virtio_pci_device *vp_dev) +{ + return -ENODEV; +} +static inline void virtio_pci_legacy_remove(struct virtio_pci_device *vp_dev) +{ +} +#endif int virtio_pci_modern_probe(struct virtio_pci_device *); void virtio_pci_modern_remove(struct virtio_pci_device *); |