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authorDan Williams <dan.j.williams@intel.com>2009-09-08 17:55:21 -0700
committerDan Williams <dan.j.williams@intel.com>2009-09-08 17:55:21 -0700
commitbbb20089a3275a19e475dbc21320c3742e3ca423 (patch)
tree216fdc1cbef450ca688135c5b8969169482d9a48 /include/linux/virtio.h
parent3e48e656903e9fd8bc805c6a2c4264d7808d315b (diff)
parent657a77fa7284d8ae28dfa48f1dc5d919bf5b2843 (diff)
Merge branch 'dmaengine' into async-tx-next
Conflicts: crypto/async_tx/async_xor.c drivers/dma/ioat/dma_v2.h drivers/dma/ioat/pci.c drivers/md/raid5.c
Diffstat (limited to 'include/linux/virtio.h')
-rw-r--r--include/linux/virtio.h15
1 files changed, 9 insertions, 6 deletions
diff --git a/include/linux/virtio.h b/include/linux/virtio.h
index 06005fa9e98..4fca4f5440b 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.