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[v7,0/7] virtio: cleanup vhost-user-generic and reduce c&p

Message ID 20231107180246.3456598-1-alex.bennee@linaro.org
Headers show
Series virtio: cleanup vhost-user-generic and reduce c&p | expand

Message

Alex Bennée Nov. 7, 2023, 6:02 p.m. UTC 
A lot of our vhost-user stubs are large chunks of boilerplate that do
(mostly) the same thing. This series continues the cleanups by
splitting the vhost-user-base and vhost-user-generic implementations.
After adding a new vq_size property the rng, gpio and i2c vhost-user
devices become simple specialisations of the common base defining the
ID, number of queues and potentially the config handling.

I've also added Manos' vhost-user-sound while I was at it.

Changes
-------

v7
  - various review comments
  - move to async teardown (fixes CI failure)

v6
  - re-base to current master
  - make vhost-user-device abstract
  - mention abstractness in docs

v5
  - addressing comments and tags
  - improved the docs

v4
  - dropped the F_TRANSPORT work for another series
  - added vhost-user-sound

Alex Bennée (6):
  virtio: split into vhost-user-base and vhost-user-device
  hw/virtio: convert vhost-user-base to async shutdown
  hw/virtio: derive vhost-user-rng from vhost-user-base
  hw/virtio: derive vhost-user-gpio from vhost-user-base
  hw/virtio: derive vhost-user-i2c from vhost-user-base
  docs/system: add a basic enumeration of vhost-user devices

Manos Pitsidianakis (1):
  hw/virtio: add vhost-user-snd and virtio-snd-pci devices

 MAINTAINERS                                   |  13 +
 docs/system/devices/vhost-user-rng.rst        |   2 +
 docs/system/devices/vhost-user.rst            |  70 ++-
 ...{vhost-user-device.h => vhost-user-base.h} |  21 +-
 include/hw/virtio/vhost-user-gpio.h           |  25 +-
 include/hw/virtio/vhost-user-i2c.h            |  14 +-
 include/hw/virtio/vhost-user-rng.h            |  13 +-
 include/hw/virtio/vhost-user-snd.h            |  24 ++
 hw/virtio/vhost-user-base.c                   | 354 +++++++++++++++
 hw/virtio/vhost-user-device-pci.c             |  13 +-
 hw/virtio/vhost-user-device.c                 | 338 +--------------
 hw/virtio/vhost-user-gpio.c                   | 406 +-----------------
 hw/virtio/vhost-user-i2c.c                    | 272 +-----------
 hw/virtio/vhost-user-rng.c                    | 278 +-----------
 hw/virtio/vhost-user-snd-pci.c                |  75 ++++
 hw/virtio/vhost-user-snd.c                    |  67 +++
 hw/virtio/Kconfig                             |   5 +
 hw/virtio/meson.build                         |  23 +-
 18 files changed, 719 insertions(+), 1294 deletions(-)
 rename include/hw/virtio/{vhost-user-device.h => vhost-user-base.h} (71%)
 create mode 100644 include/hw/virtio/vhost-user-snd.h
 create mode 100644 hw/virtio/vhost-user-base.c
 create mode 100644 hw/virtio/vhost-user-snd-pci.c
 create mode 100644 hw/virtio/vhost-user-snd.c