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authorRusty Russell <rusty@rustcorp.com.au>2009-06-13 06:16:35 +0200
committerRusty Russell <rusty@rustcorp.com.au>2009-06-12 14:46:36 +0200
commit9499f5e7ed5224c40706f0cec6542a9916bc7606 (patch)
tree3e4e1b36d3d549ea356e88e6e44359a887c6ee01 /drivers/lguest/lguest_device.c
parentvirtio: meet virtio spec by finalizing features before using device (diff)
downloadlinux-9499f5e7ed5224c40706f0cec6542a9916bc7606.tar.xz
linux-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 'drivers/lguest/lguest_device.c')
-rw-r--r--drivers/lguest/lguest_device.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/lguest/lguest_device.c b/drivers/lguest/lguest_device.c
index df44d962626d..4babed899d59 100644
--- a/drivers/lguest/lguest_device.c
+++ b/drivers/lguest/lguest_device.c
@@ -228,7 +228,8 @@ extern void lguest_setup_irq(unsigned int irq);
* function. */
static struct virtqueue *lg_find_vq(struct virtio_device *vdev,
unsigned index,
- void (*callback)(struct virtqueue *vq))
+ void (*callback)(struct virtqueue *vq),
+ const char *name)
{
struct lguest_device *ldev = to_lgdev(vdev);
struct lguest_vq_info *lvq;
@@ -263,7 +264,7 @@ static struct virtqueue *lg_find_vq(struct virtio_device *vdev,
/* OK, tell virtio_ring.c to set up a virtqueue now we know its size
* and we've got a pointer to its pages. */
vq = vring_new_virtqueue(lvq->config.num, LGUEST_VRING_ALIGN,
- vdev, lvq->pages, lg_notify, callback);
+ vdev, lvq->pages, lg_notify, callback, name);
if (!vq) {
err = -ENOMEM;
goto unmap;