[Qemu-devel] [PATCH v8 0/8] Add vhost-user-gpu

[Marc-André Lureau]

Hi,

vhost-user allows to drive a virtio device in a seperate
process. After vhost-user-net, we have seen
vhost-user-{scsi,blk,crypto,input} added more recently.

This series, initially proposed ~3 years ago, time flies
(https://lists.gnu.org/archive/html/qemu-devel/2016-06/msg01905.html)
contributes with vhost-user-gpu.

You may start a vhost-user-gpu with virgl rendering in a separate
process like this:

$ ./vhost-user-gpu --virgl -s vgpu.sock &
$ qemu...
  -chardev socket,id=chr,path=vgpu.sock
  -device vhost-user-vga,chardev=chr

v8:
 - document protocol bitmaps format, with pixman format
 - rebased, fixing a few conflicts

v7:
 - add "framed" replies to the vhost-user-gpu protocol
 - use GBM library instead of drm-vendor APIs
 - added "virtio-gpu: add a pixman helper header"

v6:
 - do not install vhost-user-input
 - install vhost-user-gpu and json file following the spec
 - fix the build when drm-intel-devel missing
 - rebase (& resend without already applied patches)

v5:
 - remove user-creatable version of vhost-user-backend
 - remove optinal management of sub-process in vhost-user-backend
 - removed daemonize/pid code
 - drop introduction of new input & gpu messages for PCI config space
   handling, instead use VHOST_USER_PROTOCOL_F_CONFIG
 - plain mem & udmabuf fallback for 2d rendering
 - rebased, kconfig-ify, rst-ify

Marc-André Lureau (8):
  vhost-user: add vhost_user_gpu_set_socket()
  virtio-gpu: add bswap helpers header
  virtio-gpu: add a pixman helper header
  util: compile drm.o on Linux
  contrib: add vhost-user-gpu
  virtio-gpu: split virtio-gpu, introduce virtio-gpu-base
  virtio-gpu: split virtio-gpu-pci & virtio-vga
  hw/display: add vhost-user-vga & gpu-pci

 configure                                  |   17 +
 contrib/libvhost-user/libvhost-user.h      |    1 +
 contrib/vhost-user-gpu/virgl.h             |   25 +
 contrib/vhost-user-gpu/vugbm.h             |   67 ++
 contrib/vhost-user-gpu/vugpu.h             |  177 +++
 hw/display/virtio-vga.h                    |   32 +
 include/hw/virtio/vhost-backend.h          |    2 +
 include/hw/virtio/virtio-gpu-bswap.h       |   61 +
 include/hw/virtio/virtio-gpu-pci.h         |   40 +
 include/hw/virtio/virtio-gpu-pixman.h      |   45 +
 include/hw/virtio/virtio-gpu.h             |   92 +-
 contrib/libvhost-user/libvhost-user.c      |    1 +
 contrib/vhost-user-gpu/main.c              | 1185 ++++++++++++++++++++
 contrib/vhost-user-gpu/virgl.c             |  579 ++++++++++
 contrib/vhost-user-gpu/vugbm.c             |  331 ++++++
 hw/display/vhost-user-gpu-pci.c            |   51 +
 hw/display/vhost-user-gpu.c                |  607 ++++++++++
 hw/display/vhost-user-vga.c                |   52 +
 hw/display/virtio-gpu-3d.c                 |   49 +-
 hw/display/virtio-gpu-base.c               |  268 +++++
 hw/display/virtio-gpu-pci.c                |   55 +-
 hw/display/virtio-gpu.c                    |  444 ++------
 hw/display/virtio-vga.c                    |  138 +--
 hw/virtio/vhost-user.c                     |   11 +
 vl.c                                       |    1 +
 MAINTAINERS                                |   10 +-
 Makefile                                   |   24 +-
 Makefile.objs                              |    1 +
 contrib/vhost-user-gpu/50-qemu-gpu.json.in |    5 +
 contrib/vhost-user-gpu/Makefile.objs       |   10 +
 docs/interop/index.rst                     |    1 +
 docs/interop/vhost-user-gpu.rst            |  242 ++++
 docs/interop/vhost-user.rst                |    9 +
 hw/display/Kconfig                         |   10 +
 hw/display/Makefile.objs                   |    5 +-
 rules.mak                                  |    9 +-
 util/Makefile.objs                         |    2 +-
 37 files changed, 4175 insertions(+), 484 deletions(-)
 create mode 100644 contrib/vhost-user-gpu/virgl.h
 create mode 100644 contrib/vhost-user-gpu/vugbm.h
 create mode 100644 contrib/vhost-user-gpu/vugpu.h
 create mode 100644 hw/display/virtio-vga.h
 create mode 100644 include/hw/virtio/virtio-gpu-bswap.h
 create mode 100644 include/hw/virtio/virtio-gpu-pci.h
 create mode 100644 include/hw/virtio/virtio-gpu-pixman.h
 create mode 100644 contrib/vhost-user-gpu/main.c
 create mode 100644 contrib/vhost-user-gpu/virgl.c
 create mode 100644 contrib/vhost-user-gpu/vugbm.c
 create mode 100644 hw/display/vhost-user-gpu-pci.c
 create mode 100644 hw/display/vhost-user-gpu.c
 create mode 100644 hw/display/vhost-user-vga.c
 create mode 100644 hw/display/virtio-gpu-base.c
 create mode 100644 contrib/vhost-user-gpu/50-qemu-gpu.json.in
 create mode 100644 contrib/vhost-user-gpu/Makefile.objs
 create mode 100644 docs/interop/vhost-user-gpu.rst

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2.22.0.rc1.1.g079e7d2849.dirty