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[Qemu-devel] [PATCH 0/5] libqos: add ability to pop buffers from virtque

From: Stefan Hajnoczi
Subject: [Qemu-devel] [PATCH 0/5] libqos: add ability to pop buffers from virtqueue
Date: Thu, 5 May 2016 09:32:12 +0100

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(-)


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