tools/virtio: update internal copies of headers
authorJoel Stanley <joel@jms.id.au>
Thu, 13 Feb 2014 04:33:44 +0000 (15:03 +1030)
committerRusty Russell <rusty@rustcorp.com.au>
Thu, 13 Mar 2014 00:53:25 +0000 (11:23 +1030)
The virtio headers have changed recently:

 5b1bf7cb673 virtio_ring: let virtqueue_{kick()/notify()} return a bool
 46f9c2b925a virtio_ring: change host notification API

Update the internal copies to fix the build of virtio_test:

  cc -g -O2 -Wall -I. -I ../../usr/include/ -Wno-pointer-sign
    -fno-strict-overflow -fno-strict-aliasing -fno-common -MMD -U_FORTIFY_SOURCE
    -c -o virtio_test.o virtio_test.c
  In file included from virtio_test.c:15:0:
  ./linux/virtio.h:76:19: error: conflicting types for ‘vring_new_virtqueue’
   struct virtqueue *vring_new_virtqueue(unsigned int index,
                     ^
  In file included from ./linux/virtio_ring.h:1:0,
                   from ../../usr/include/linux/vhost.h:17,
                   from virtio_test.c:14:
  ./linux/../../../include/linux/virtio_ring.h:68:19: note: previous
  declaration of ‘vring_new_virtqueue’ was here
   struct virtqueue *vring_new_virtqueue(unsigned int index,
  virtio_test.c: In function ‘vq_info_add’:
  virtio_test.c:103:12: warning: passing argument 7 of ‘vring_new_virtqueue’
  from incompatible pointer type [enabled by default]
              vq_notify, vq_callback, "test");
              ^
  In file included from virtio_test.c:15:0:
  ./linux/virtio.h:76:19: note: expected ‘void (*)(struct virtqueue *)’ but
  argument is of type ‘_Bool (*)(struct virtqueue *)’
   struct virtqueue *vring_new_virtqueue(unsigned int index,
                     ^

Signed-off-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
tools/virtio/linux/virtio.h

index 8447830..5a2d1f0 100644 (file)
@@ -63,7 +63,7 @@ int virtqueue_add_inbuf(struct virtqueue *vq,
                        void *data,
                        gfp_t gfp);
 
-void virtqueue_kick(struct virtqueue *vq);
+bool virtqueue_kick(struct virtqueue *vq);
 
 void *virtqueue_get_buf(struct virtqueue *vq, unsigned int *len);
 
@@ -79,7 +79,7 @@ struct virtqueue *vring_new_virtqueue(unsigned int index,
                                      struct virtio_device *vdev,
                                      bool weak_barriers,
                                      void *pages,
-                                     void (*notify)(struct virtqueue *vq),
+                                     bool (*notify)(struct virtqueue *vq),
                                      void (*callback)(struct virtqueue *vq),
                                      const char *name);
 void vring_del_virtqueue(struct virtqueue *vq);