Windows guests do not work with x-data-plane=on because misaligned request support is missing in hw/dataplane/virtio-blk.c. This series adds a bounce buffer when the request is misaligned. Windows guests now work with x-data-plane=on.
Stefan Hajnoczi (3): block: make qiov_is_aligned() public dataplane: extract virtio-blk read/write processing into do_rdwr_cmd() dataplane: handle misaligned virtio-blk requests block.c | 16 +++++++++++ block/raw-posix.c | 18 +------------ hw/dataplane/virtio-blk.c | 67 +++++++++++++++++++++++++++++++++++++++-------- include/block/block.h | 1 + 4 files changed, 74 insertions(+), 28 deletions(-) -- 1.8.0.2
