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authorMichael S. Tsirkin <mst@redhat.com>2014-10-07 16:39:43 +0200
committerMichael S. Tsirkin <mst@redhat.com>2014-12-09 12:05:24 +0200
commitd025477368792b272802146a86e41f81a54d8a19 (patch)
tree7e296d48d57796d6b797f4da6dac74d1644092fe /tools/virtio
parentmic_virtio: robust feature array size calculation (diff)
downloadlinux-dev-d025477368792b272802146a86e41f81a54d8a19.tar.xz
linux-dev-d025477368792b272802146a86e41f81a54d8a19.zip
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 'tools/virtio')
-rw-r--r--tools/virtio/linux/virtio.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/virtio/linux/virtio.h b/tools/virtio/linux/virtio.h
index 72bff70bfeeb..8eb6421761cd 100644
--- a/tools/virtio/linux/virtio.h
+++ b/tools/virtio/linux/virtio.h
@@ -10,7 +10,7 @@
struct virtio_device {
void *dev;
- u32 features;
+ u64 features;
};
struct virtqueue {