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authorMichael S. Tsirkin <mst@redhat.com>2014-10-07 18:39:43 +0400
committerMichael S. Tsirkin <mst@redhat.com>2014-12-09 13:05:24 +0300
commitd025477368792b272802146a86e41f81a54d8a19 (patch)
tree7e296d48d57796d6b797f4da6dac74d1644092fe /drivers/s390
parent0ffaeadfc451a11b5da35578b2f9b977f9f46489 (diff)
downloadlinux-d025477368792b272802146a86e41f81a54d8a19.tar.xz
virtio: add support for 64 bit features.
Change u32 to u64, and use BIT_ULL and 1ULL everywhere. Note: transports are unchanged, and only set low 32 bit. This guarantees that no transport sets e.g. VERSION_1 by mistake without proper support. Based on patch by Rusty. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com> Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Diffstat (limited to 'drivers/s390')
-rw-r--r--drivers/s390/kvm/kvm_virtio.c2
-rw-r--r--drivers/s390/kvm/virtio_ccw.c2
2 files changed, 2 insertions, 2 deletions
diff --git a/drivers/s390/kvm/kvm_virtio.c b/drivers/s390/kvm/kvm_virtio.c
index fcd312d0c018..2336c7e3b0cf 100644
--- a/drivers/s390/kvm/kvm_virtio.c
+++ b/drivers/s390/kvm/kvm_virtio.c
@@ -80,7 +80,7 @@ static unsigned desc_size(const struct kvm_device_desc *desc)
}
/* This gets the device's feature bits. */
-static u32 kvm_get_features(struct virtio_device *vdev)
+static u64 kvm_get_features(struct virtio_device *vdev)
{
unsigned int i;
u32 features = 0;
diff --git a/drivers/s390/kvm/virtio_ccw.c b/drivers/s390/kvm/virtio_ccw.c
index 1dbee95838fe..56d78956a8cb 100644
--- a/drivers/s390/kvm/virtio_ccw.c
+++ b/drivers/s390/kvm/virtio_ccw.c
@@ -660,7 +660,7 @@ static void virtio_ccw_reset(struct virtio_device *vdev)
kfree(ccw);
}
-static u32 virtio_ccw_get_features(struct virtio_device *vdev)
+static u64 virtio_ccw_get_features(struct virtio_device *vdev)
{
struct virtio_ccw_device *vcdev = to_vc_device(vdev);
struct virtio_feature_desc *features;