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| author | Rusty Russell <rusty@rustcorp.com.au> | 2008-07-25 19:06:13 +0200 |
|---|---|---|
| committer | Rusty Russell <rusty@rustcorp.com.au> | 2008-07-25 04:06:14 +0200 |
| commit | e34f87256794b87e7f4a8f1812538be7b7b5214c (patch) | |
| tree | b91ffb6df4ac13ace269bef60ae16a1048b1fa73 /drivers/virtio/virtio_pci.c | |
| parent | virtio: Rename set_features to finalize_features (diff) | |
| download | linux-e34f87256794b87e7f4a8f1812538be7b7b5214c.tar.xz linux-e34f87256794b87e7f4a8f1812538be7b7b5214c.zip | |
virtio: Add transport feature handling stub for virtio_ring.
To prepare for virtio_ring transport feature bits, hook in a call in
all the users to manipulate them. This currently just clears all the
bits, since it doesn't understand any features.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Diffstat (limited to 'drivers/virtio/virtio_pci.c')
| -rw-r--r-- | drivers/virtio/virtio_pci.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/virtio/virtio_pci.c b/drivers/virtio/virtio_pci.c index 9855975a72a3..c7dc37c7cce9 100644 --- a/drivers/virtio/virtio_pci.c +++ b/drivers/virtio/virtio_pci.c @@ -99,6 +99,9 @@ static void vp_finalize_features(struct virtio_device *vdev) { struct virtio_pci_device *vp_dev = to_vp_device(vdev); + /* Give virtio_ring a chance to accept features. */ + vring_transport_features(vdev); + /* We only support 32 feature bits. */ BUILD_BUG_ON(ARRAY_SIZE(vdev->features) != 1); iowrite32(vdev->features[0], vp_dev->ioaddr+VIRTIO_PCI_GUEST_FEATURES); |