user/sven/linux.git/include/linux/virtio.h, branch v3.2.65

virtio: support unlocked queue poll

2013-08-02T20:14:52Z

commit cc229884d3f77ec3b1240e467e0236c3e0647c0c upstream. This adds a way to check ring empty state after enable_cb outside any locks. Will be used by virtio_net. Note: there's room for more optimization: caller is likely to have a memory barrier already, which means we might be able to get rid of a barrier here. Deferring this optimization until we do some benchmarking. Signed-off-by: Michael S. Tsirkin Signed-off-by: David S. Miller [wg: Backported to 3.2] Signed-off-by: Wolfram Gloger Signed-off-by: Ben Hutchings

virtio.h: correct comment for struct virtio_driver

2011-11-02T01:10:59Z

The patch is against 3.0. Signed-off-by: Wang Sheng-Hui Signed-off-by: Rusty Russell

Add ethtool -g support to virtio_net

2011-10-24T06:07:21Z

Add support for reporting ring sizes via ethtool -g to the virtio_net driver. Signed-off-by: Rick Jones Acked-by: Rusty Russell Acked-by: Michael S. Tsirkin Signed-off-by: David S. Miller

virtio: add api for delayed callbacks

2011-05-30T01:44:16Z

Add an API that tells the other side that callbacks should be delayed until a lot of work has been done. Implement using the new event_idx feature. Note: it might seem advantageous to let the drivers ask for a callback after a specific capacity has been reached. However, as a single head can free many entries in the descriptor table, we don't really have a clue about capacity until get_buf is called. The API is the simplest to implement at the moment, we'll see what kind of hints drivers can pass when there's more than one user of the feature. Signed-off-by: Michael S. Tsirkin Signed-off-by: Rusty Russell

virtio: add_buf_gfp

2010-05-19T12:45:46Z

Add an add_buf variant that gets gfp parameter. Use that to allocate indirect buffers. Signed-off-by: Michael S. Tsirkin Signed-off-by: Rusty Russell

virtio_ring: remove a level of indirection

2010-05-19T12:45:43Z

We have a single virtqueue_ops implementation, and it seems unlikely we'll get another one at this point. So let's remove an unnecessary level of indirection: it would be very easy to re-add it if another implementation surfaces. Signed-off-by: Michael S. Tsirkin Signed-off-by: Rusty Russell

virtio: add virtqueue_ vq_ops wrappers

2010-05-19T12:45:41Z

Add inline functions that wrap vq->vq_ops-> calls Signed-off-by: Michael S. Tsirkin Signed-off-by: Rusty Russell

net/9p: Add sysfs mount_tag file for virtio 9P device

2010-03-13T14:57:29Z

This adds a new file for virtio 9P device. The file contain details of the mount device name that should be used to mount the 9P file system. Ex: /sys/devices/virtio-pci/virtio1/mount_tag file now contian the tag name to be used to mount the 9P file system. Signed-off-by: Aneesh Kumar K.V Signed-off-by: Eric Van Hensbergen

virtio: Add ability to detach unused buffers from vrings

2010-02-24T03:52:27Z

There's currently no way for a virtio driver to ask for unused buffers, so it has to keep a list itself to reclaim them at shutdown. This is redundant, since virtio_ring stores that information. So add a new hook to do this. Signed-off-by: Shirley Ma Signed-off-by: Amit Shah Signed-off-by: Rusty Russell

virtio: make add_buf return capacity remaining

2009-09-23T12:56:31Z

This API change means that virtio_net can tell how much capacity remains for buffers. It's necessarily fuzzy, since VIRTIO_RING_F_INDIRECT_DESC means we can fit any number of descriptors in one, *if* we can kmalloc. Signed-off-by: Rusty Russell Cc: Dinesh Subhraveti