On Thu, May 05, 2016 at 09:32:12AM +0100, Stefan Hajnoczi wrote: > The libqos virtio framework currently offers no way to pop buffers off the > virtqueue. Existing test cases are trivial and therefore get away without > reclaiming buffers. More extensive tests really do need to pop buffers and do > the housekeeping associated with the 'used' ring. > > This patch series adds qvirtqueue_get_buf() and qvirtio_wait_queue_buf() for > popping buffers off the virtqueue. The code is based on my recent "[PATCH > for-2.7 0/8] libqos: use standard virtio headers" series which has not been > merged yet. > > I am sending a new test case for the virtio-vsock device in a separate email > thread. The virtio-vsock test uses the new qvirtio_wait_queue_buf() function. > > Stefan Hajnoczi (5): > libqos: fix virtio descriptor free list > libqos: fix virtio num_free descriptor counter > libqos: add virtio buffer token > libqos: add qvirtqueue_get_buf() > libqos: add qvirtio_wait_queue_buf() > > tests/libqos/virtio.c | 146 > +++++++++++++++++++++++++++++++++++++++++++---- > tests/libqos/virtio.h | 13 ++++- > tests/virtio-blk-test.c | 54 +++++++++--------- > tests/virtio-net-test.c | 6 +- > tests/virtio-scsi-test.c | 8 +-- > 5 files changed, 181 insertions(+), 46 deletions(-)
I'll resend this again in the future. For the time being there is no qvirtio_wait_queue_buf() user in the source tree so let's wait. My vhost-vsock tests will use this and any more advanced virtio device tests will need it too.
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