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| author | Rusty Russell <rusty@rustcorp.com.au> | 2009-06-12 22:16:35 -0600 |
|---|---|---|
| committer | Rusty Russell <rusty@rustcorp.com.au> | 2009-06-12 22:16:36 +0930 |
| commit | 9499f5e7ed5224c40706f0cec6542a9916bc7606 (patch) | |
| tree | 3e4e1b36d3d549ea356e88e6e44359a887c6ee01 /include/linux/virtio_config.h | |
| parent | ef688e151c00e5d529703be9a04fd506df8bc54e (diff) | |
| download | lwn-9499f5e7ed5224c40706f0cec6542a9916bc7606.tar.gz lwn-9499f5e7ed5224c40706f0cec6542a9916bc7606.zip | |
virtio: add names to virtqueue struct, mapping from devices to queues.
Add a linked list of all virtqueues for a virtio device: this helps for
debugging and is also needed for upcoming interface change.
Also, add a "name" field for clearer debug messages.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Diffstat (limited to 'include/linux/virtio_config.h')
| -rw-r--r-- | include/linux/virtio_config.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h index bf8ec283b232..9fae274751e0 100644 --- a/include/linux/virtio_config.h +++ b/include/linux/virtio_config.h @@ -55,7 +55,8 @@ * @find_vq: find a virtqueue and instantiate it. * vdev: the virtio_device * index: the 0-based virtqueue number in case there's more than one. - * callback: the virqtueue callback + * callback: the virtqueue callback + * name: the virtqueue name (mainly for debugging) * Returns the new virtqueue or ERR_PTR() (eg. -ENOENT). * @del_vq: free a virtqueue found by find_vq(). * @get_features: get the array of feature bits for this device. @@ -77,7 +78,8 @@ struct virtio_config_ops void (*reset)(struct virtio_device *vdev); struct virtqueue *(*find_vq)(struct virtio_device *vdev, unsigned index, - void (*callback)(struct virtqueue *)); + void (*callback)(struct virtqueue *), + const char *name); void (*del_vq)(struct virtqueue *vq); u32 (*get_features)(struct virtio_device *vdev); void (*finalize_features)(struct virtio_device *vdev); |