Am Monday 27 April 2009 17:39:36 schrieb Michael S. Tsirkin:
> So we'll probably need to rename request_vqs to request_vectors,
> but we probably still need the driver to pass the number of
> vectors it wants to the transport. Right?
This might be a stupid idea, but would something like the following
be sufficient for you?
Index: linux-2.6/drivers/net/virtio_net.c
===================================================================
--- linux-2.6.orig/drivers/net/virtio_net.c
+++ linux-2.6/drivers/net/virtio_net.c
@@ -1021,6 +1021,7 @@ static unsigned int features[] = {
static struct virtio_driver virtio_net = {
.feature_table = features,
.feature_table_size = ARRAY_SIZE(features),
+ .num_vq_max = 3,
.driver.name = KBUILD_MODNAME,
.driver.owner = THIS_MODULE,
.id_table = id_table,
Index: linux-2.6/include/linux/virtio.h
===================================================================
--- linux-2.6.orig/include/linux/virtio.h
+++ linux-2.6/include/linux/virtio.h
@@ -110,6 +110,7 @@ struct virtio_driver {
const struct virtio_device_id *id_table;
const unsigned int *feature_table;
unsigned int feature_table_size;
+ unsigned int num_vq_max;
int (*probe)(struct virtio_device *dev);
void (*remove)(struct virtio_device *dev);
void (*config_changed)(struct virtio_device *dev);
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