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configure: introduce --enable-vhost-user-blk-server

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Make it possible to compile out the vhost-user-blk server. It is enabled
by default on Linux.

Note that vhost-user-server.c depends on libvhost-user, which requires
CONFIG_LINUX. The CONFIG_VHOST_USER dependency was erroneous since that
option controls vhost-user frontends (previously known as "master") and
not device backends (previously known as "slave").

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20201027173528.213464-3-stefanha@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Stefan Hajnoczi 2020-10-27 17:35:18 +00:00 • committed by Michael S. Tsirkin
parent de65d49785
commit bc15e44cb2
4 changed files with 19 additions and 4 deletions
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15
configure vendored
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@ -329,6 +329,7 @@ vhost_crypto=""
vhost_scsi=""
vhost_vsock=""
vhost_user=""
vhost_user_blk_server=""
vhost_user_fs=""
kvm="auto"
hax="auto"
@ -1246,6 +1247,10 @@ for opt do
;;
--enable-vhost-vsock) vhost_vsock="yes"
;;
--disable-vhost-user-blk-server) vhost_user_blk_server="no"
;;
--enable-vhost-user-blk-server) vhost_user_blk_server="yes"
;;
--disable-vhost-user-fs) vhost_user_fs="no"
;;
--enable-vhost-user-fs) vhost_user_fs="yes"
@ -1791,6 +1796,7 @@ disabled with --disable-FEATURE, default is enabled if available:
vhost-crypto vhost-user-crypto backend support
vhost-kernel vhost kernel backend support
vhost-user vhost-user backend support
vhost-user-blk-server vhost-user-blk server support
vhost-vdpa vhost-vdpa kernel backend support
spice spice
rbd rados block device (rbd)
@ -2382,6 +2388,12 @@ if test "$vhost_net" = ""; then
test "$vhost_kernel" = "yes" && vhost_net=yes
fi
# libvhost-user is Linux-only
test "$vhost_user_blk_server" = "" && vhost_user_blk_server=$linux
if test "$vhost_user_blk_server" = "yes" && test "$linux" = "no"; then
error_exit "--enable-vhost-user-blk-server is only available on Linux"
fi
##########################################
# pkg-config probe
@ -6275,6 +6287,9 @@ fi
if test "$vhost_vdpa" = "yes" ; then
echo "CONFIG_VHOST_VDPA=y" >> $config_host_mak
fi
if test "$vhost_user_blk_server" = "yes" ; then
echo "CONFIG_VHOST_USER_BLK_SERVER=y" >> $config_host_mak
fi
if test "$vhost_user_fs" = "yes" ; then
echo "CONFIG_VHOST_USER_FS=y" >> $config_host_mak
fi