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libvduse: Add VDUSE (vDPA Device in Userspace) library

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VDUSE [1] is a linux framework that makes it possible to implement
software-emulated vDPA devices in userspace. This adds a library
as a subproject to help implementing VDUSE backends in QEMU.

[1] https://www.kernel.org/doc/html/latest/userspace-api/vduse.html

Signed-off-by: Xie Yongji <xieyongji@bytedance.com>
Message-Id: <20220523084611.91-6-xieyongji@bytedance.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Xie Yongji 2022-05-23 16:46:08 +08:00 • committed by Kevin Wolf
parent 92e879505f
commit a6caeee811
11 changed files with 1424 additions and 0 deletions
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3
scripts/meson-buildoptions.sh
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@ -110,6 +110,7 @@ meson_options_help() {
printf "%s\n" ' libssh ssh block device support'
printf "%s\n" ' libudev Use libudev to enumerate host devices'
printf "%s\n" ' libusb libusb support for USB passthrough'
printf "%s\n" ' libvduse build VDUSE Library'
printf "%s\n" ' linux-aio Linux AIO support'
printf "%s\n" ' linux-io-uring Linux io_uring support'
printf "%s\n" ' live-block-migration'
@ -307,6 +308,8 @@ _meson_option_parse() {
--disable-libudev) printf "%s" -Dlibudev=disabled ;;
--enable-libusb) printf "%s" -Dlibusb=enabled ;;
--disable-libusb) printf "%s" -Dlibusb=disabled ;;
--enable-libvduse) printf "%s" -Dlibvduse=enabled ;;
--disable-libvduse) printf "%s" -Dlibvduse=disabled ;;
--enable-linux-aio) printf "%s" -Dlinux_aio=enabled ;;
--disable-linux-aio) printf "%s" -Dlinux_aio=disabled ;;
--enable-linux-io-uring) printf "%s" -Dlinux_io_uring=enabled ;;