From patchwork Thu Nov 22 15:16:43 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [v4,02/11] configure: add CONFIG_VIRTIO_BLK_DATA_PLANE X-Patchwork-Submitter: Stefan Hajnoczi X-Patchwork-Id: 201064 Message-Id: <1353597412-12232-3-git-send-email-stefanha@redhat.com> To: Cc: Kevin Wolf , Anthony Liguori , "Michael S. Tsirkin" , Blue Swirl , khoa@us.ibm.com, Stefan Hajnoczi , Paolo Bonzini , Asias He Date: Thu, 22 Nov 2012 16:16:43 +0100 From: Stefan Hajnoczi List-Id: The virtio-blk-data-plane feature only works with Linux AIO. Therefore add a ./configure option and necessary checks to implement this dependency. Signed-off-by: Stefan Hajnoczi --- configure | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/configure b/configure index 780b19a..633ba6d 100755 --- a/configure +++ b/configure @@ -223,6 +223,7 @@ libiscsi="" coroutine="" seccomp="" glusterfs="" +virtio_blk_data_plane="" # parse CC options first for opt do @@ -871,6 +872,10 @@ for opt do ;; --enable-glusterfs) glusterfs="yes" ;; + --disable-virtio-blk-data-plane) virtio_blk_data_plane="no" + ;; + --enable-virtio-blk-data-plane) virtio_blk_data_plane="yes" + ;; *) echo "ERROR: unknown option $opt"; show_help="yes" ;; esac @@ -2233,6 +2238,17 @@ EOF fi ########################################## +# adjust virtio-blk-data-plane based on linux-aio + +if test "$virtio_blk_data_plane" = "yes" -a \ + "$linux_aio" != "yes" ; then + echo "Error: virtio-blk-data-plane requires Linux AIO, please try --enable-linux-aio" + exit 1 +elif test -z "$virtio_blk_data_plane" ; then + virtio_blk_data_plane=$linux_aio +fi + +########################################## # attr probe if test "$attr" != "no" ; then @@ -3235,6 +3251,7 @@ echo "build guest agent $guest_agent" echo "seccomp support $seccomp" echo "coroutine backend $coroutine_backend" echo "GlusterFS support $glusterfs" +echo "virtio-blk-data-plane $virtio_blk_data_plane" if test "$sdl_too_old" = "yes"; then echo "-> Your SDL version is too old - please upgrade to have SDL support" @@ -3581,6 +3598,10 @@ if test "$glusterfs" = "yes" ; then echo "CONFIG_GLUSTERFS=y" >> $config_host_mak fi +if test "$virtio_blk_data_plane" = "yes" ; then + echo "CONFIG_VIRTIO_BLK_DATA_PLANE=y" >> $config_host_mak +fi + # USB host support case "$usb" in linux)