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| author | Mauro Carvalho Chehab <mchehab@infradead.org> | 2008-07-27 12:25:57 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2008-07-27 12:25:57 -0300 |
| commit | 50cb993ea6cd187bfed085cb3e0747066edeb02f (patch) | |
| tree | 61edac62c6c5bc07c59e4369c50c6821ad77f2c0 /drivers/virtio/virtio_pci.c | |
| parent | 445c2714cf72817ab1ad3ca894c6d9b2047b3a3e (diff) | |
| parent | 8be1a6d6c77ab4532e4476fdb8177030ef48b52c (diff) | |
Merge ../linux-2.6
Diffstat (limited to 'drivers/virtio/virtio_pci.c')
| -rw-r--r-- | drivers/virtio/virtio_pci.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/virtio/virtio_pci.c b/drivers/virtio/virtio_pci.c index eae7236310e..c7dc37c7cce 100644 --- a/drivers/virtio/virtio_pci.c +++ b/drivers/virtio/virtio_pci.c @@ -94,12 +94,17 @@ static u32 vp_get_features(struct virtio_device *vdev) return ioread32(vp_dev->ioaddr + VIRTIO_PCI_HOST_FEATURES); } -/* virtio config->set_features() implementation */ -static void vp_set_features(struct virtio_device *vdev, u32 features) +/* virtio config->finalize_features() implementation */ +static void vp_finalize_features(struct virtio_device *vdev) { struct virtio_pci_device *vp_dev = to_vp_device(vdev); - iowrite32(features, vp_dev->ioaddr + VIRTIO_PCI_GUEST_FEATURES); + /* 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); } /* virtio config->get() implementation */ @@ -297,7 +302,7 @@ static struct virtio_config_ops virtio_pci_config_ops = { .find_vq = vp_find_vq, .del_vq = vp_del_vq, .get_features = vp_get_features, - .set_features = vp_set_features, + .finalize_features = vp_finalize_features, }; /* the PCI probing function */ |