Hello,
This patchset adds vhost-user-gpio device's support in Qemu. The support for the same has already been added to virtio specification and Linux Kernel.
A Rust based backend is also in progress and is tested against this patchset:
https://github.com/rust-vmm/vhost-device/pull/76
-- Viresh
Viresh Kumar (2): hw/virtio: add boilerplate for vhost-user-gpio device hw/virtio: add vhost-user-gpio-pci boilerplate
hw/virtio/Kconfig | 5 + hw/virtio/meson.build | 2 + hw/virtio/vhost-user-gpio-pci.c | 69 ++++++ hw/virtio/vhost-user-gpio.c | 343 ++++++++++++++++++++++++++++ include/hw/virtio/vhost-user-gpio.h | 35 +++ 5 files changed, 454 insertions(+) create mode 100644 hw/virtio/vhost-user-gpio-pci.c create mode 100644 hw/virtio/vhost-user-gpio.c create mode 100644 include/hw/virtio/vhost-user-gpio.h