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| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-06-15 10:36:54 +1000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-06-15 10:36:54 +1000 |
| commit | 7dafd239ab522d38979ebe44d79aa68ad7b1a383 (patch) | |
| tree | 04754a0c6495e57c1fe5f417fbfc99272d353c0e /include/linux/virtio.h | |
| parent | bc47ab0241c7c86da4f5e5f82fbca7d45387c18d (diff) | |
| parent | 45e3e1935e2857c54783291107d33323b3ef33c8 (diff) | |
| download | lwn-7dafd239ab522d38979ebe44d79aa68ad7b1a383.tar.gz lwn-7dafd239ab522d38979ebe44d79aa68ad7b1a383.zip | |
Merge commit 'origin/master' into next
Diffstat (limited to 'include/linux/virtio.h')
| -rw-r--r-- | include/linux/virtio.h | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/include/linux/virtio.h b/include/linux/virtio.h index 06005fa9e982..4fca4f5440ba 100644 --- a/include/linux/virtio.h +++ b/include/linux/virtio.h @@ -10,14 +10,17 @@ /** * virtqueue - a queue to register buffers for sending or receiving. + * @list: the chain of virtqueues for this device * @callback: the function to call when buffers are consumed (can be NULL). + * @name: the name of this virtqueue (mainly for debugging) * @vdev: the virtio device this queue was created for. * @vq_ops: the operations for this virtqueue (see below). * @priv: a pointer for the virtqueue implementation to use. */ -struct virtqueue -{ +struct virtqueue { + struct list_head list; void (*callback)(struct virtqueue *vq); + const char *name; struct virtio_device *vdev; struct virtqueue_ops *vq_ops; void *priv; @@ -76,15 +79,16 @@ struct virtqueue_ops { * @dev: underlying device. * @id: the device type identification (used to match it with a driver). * @config: the configuration ops for this device. + * @vqs: the list of virtqueues for this device. * @features: the features supported by both driver and device. * @priv: private pointer for the driver's use. */ -struct virtio_device -{ +struct virtio_device { int index; struct device dev; struct virtio_device_id id; struct virtio_config_ops *config; + struct list_head vqs; /* Note that this is a Linux set_bit-style bitmap. */ unsigned long features[1]; void *priv; @@ -99,8 +103,7 @@ void unregister_virtio_device(struct virtio_device *dev); * @id_table: the ids serviced by this driver. * @feature_table: an array of feature numbers supported by this device. * @feature_table_size: number of entries in the feature table array. - * @probe: the function to call when a device is found. Returns a token for - * remove, or PTR_ERR(). + * @probe: the function to call when a device is found. Returns 0 or -errno. * @remove: the function when a device is removed. * @config_changed: optional function to call when the device configuration * changes; may be called in interrupt context. |