git: virtio: Add indirect buffers support to common virtio code.

[Imre Vadasz]

commit cb6e1f75aea07ad188b0c46884f53883f948f044
Author: Imre Vadász <imre at vdsz.com>
Date:   Fri Oct 30 23:15:40 2015 +0100

    virtio: Add indirect buffers support to common virtio code.
    
    * Uses contigmalloc instead of kmalloc for allocating the indirect
      descriptors, because DragonFly's kmalloc doesn't return sufficiently
      aligned or physically contiguous memory.
    
    Taken-From: FreeBSD

Summary of changes:
 sys/dev/virtual/virtio/virtio/virtio.h      |  13 ++
 sys/dev/virtual/virtio/virtio/virtio_ring.h |   2 +
 sys/dev/virtual/virtio/virtio/virtqueue.c   | 185 +++++++++++++++++++++++++++-
 sys/dev/virtual/virtio/virtio/virtqueue.h   |   2 +
 4 files changed, 197 insertions(+), 5 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/cb6e1f75aea07ad188b0c46884f53883f948f044


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