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authorMichael S. Tsirkin <mst@redhat.com>2014-10-22 15:35:56 +0300
committerMichael S. Tsirkin <mst@redhat.com>2014-12-09 12:05:24 +0200
commiteef960a04354d13426c43a4e3750a5e2b383040c (patch)
treea5d6e327dbb22c85b2f6592077a544bcc0153471 /tools/perf/scripts/python/call-graph-from-postgresql.py
parentvirtio: add virtio 1.0 feature bit (diff)
downloadlinux-dev-eef960a04354d13426c43a4e3750a5e2b383040c.tar.xz
linux-dev-eef960a04354d13426c43a4e3750a5e2b383040c.zip
virtio: memory access APIs
virtio 1.0 makes all memory structures LE, so we need APIs to conditionally do a byteswap on BE architectures. To make it easier to check code statically, add virtio specific types for multi-byte integers in memory. Add low level wrappers that do a byteswap conditionally, these will be useful e.g. for vhost. Add high level wrappers that query device endian-ness and act accordingly. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
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