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[Xen-devel] [PATCH v3] displif: add ABI for para-virtual display

From: Oleksandr Andrushchenko <oleksandr_andrushchenko@xxxxxxxx>

This is the ABI for the two halves of a para-virtualized
display driver.

This protocol aims to provide a unified protocol which fits more
sophisticated use-cases than a framebuffer device can handle. At the
moment basic functionality is supported with the intention to extend:
  o multiple dynamically allocated/destroyed framebuffers
  o buffers of arbitrary sizes
  o better configuration options including multiple display support

Note: existing fbif can be used together with displif running at the
same time, e.g. on Linux one provides framebuffer and another DRM/KMS

Future extensions to the existing protocol may include:
  o allow display/connector cloning
  o allow allocating objects other than display buffers
  o add planes/overlays support
  o support scaling
  o support rotation

Thank you,
Oleksandr Andrushchenko
Oleksandr Grytsov

Oleksandr Andrushchenko (1):
  displif: add ABI for para-virtual display

 xen/include/public/io/displif.h | 778 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 778 insertions(+)
 create mode 100644 xen/include/public/io/displif.h


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