linux-cryptodev-2.6/tools/virtio/linux/virtio_config.h at d025477368792b272802146a86e41f81a54d8a19 - linux-cryptodev-2.6 - Gitea: Git with a cup of tea

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Michael S. Tsirkin e16e12be34 virtio: use u32, not bitmap for features

It seemed like a good idea to use bitmap for features
in struct virtio_device, but it's actually a pain,
and seems to become even more painful when we get more
than 32 feature bits.  Just change it to a u32 for now.

Based on patch by Rusty.

Suggested-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
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: Cornelia Huck <cornelia.huck@de.ibm.com>

2014-12-09 12:05:23 +02:00

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C

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 #define VIRTIO_TRANSPORT_F_START	28
 #define VIRTIO_TRANSPORT_F_END		32
 #define virtio_has_feature(dev, feature) \
 	(__virtio_test_bit((dev), feature))