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[Qemu-devel] [PATCH 02/18] configure: add CONFIG_VIRTIO_BLK_DATA_PLANE
From: |
Stefan Hajnoczi |
Subject: |
[Qemu-devel] [PATCH 02/18] configure: add CONFIG_VIRTIO_BLK_DATA_PLANE |
Date: |
Wed, 2 Jan 2013 16:15:40 +0100 |
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 <address@hidden>
---
configure | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
diff --git a/configure b/configure
index b0c7e54..cc1e20a 100755
--- a/configure
+++ b/configure
@@ -223,6 +223,7 @@ libiscsi=""
coroutine=""
seccomp=""
glusterfs=""
+virtio_blk_data_plane=""
# parse CC options first
for opt do
@@ -882,6 +883,10 @@ 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 $opt"; show_help="yes"
;;
esac
@@ -2274,6 +2279,17 @@ EOF
fi
##########################################
+# adjust virtio-blk-data-plane based on linux-aio
+
+if test "$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
@@ -3289,6 +3305,7 @@ 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"
@@ -3634,6 +3651,10 @@ 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)
--
1.8.0.2
- [Qemu-devel] [PULL v2 00/18] Block patches, Stefan Hajnoczi, 2013/01/02
- [Qemu-devel] [PATCH 02/18] configure: add CONFIG_VIRTIO_BLK_DATA_PLANE,
Stefan Hajnoczi <=
- [Qemu-devel] [PATCH 01/18] raw-posix: add raw_get_aio_fd() for virtio-blk-data-plane, Stefan Hajnoczi, 2013/01/02
- [Qemu-devel] [PATCH 03/18] dataplane: add host memory mapping code, Stefan Hajnoczi, 2013/01/02
- [Qemu-devel] [PATCH 04/18] dataplane: add virtqueue vring code, Stefan Hajnoczi, 2013/01/02
- [Qemu-devel] [PATCH 06/18] dataplane: add Linux AIO request queue, Stefan Hajnoczi, 2013/01/02
- [Qemu-devel] [PATCH 08/18] test-iov: add iov_discard_front/back() testcases, Stefan Hajnoczi, 2013/01/02
- [Qemu-devel] [PATCH 07/18] iov: add iov_discard_front/back() to remove data, Stefan Hajnoczi, 2013/01/02
- [Qemu-devel] [PATCH 05/18] dataplane: add event loop, Stefan Hajnoczi, 2013/01/02
- [Qemu-devel] [PATCH 10/18] virtio-blk: restore VirtIOBlkConf->config_wce flag, Stefan Hajnoczi, 2013/01/02
- [Qemu-devel] [PATCH 09/18] iov: add qemu_iovec_concat_iov(), Stefan Hajnoczi, 2013/01/02
- [Qemu-devel] [PATCH 12/18] virtio-blk: add x-data-plane=on|off performance feature, Stefan Hajnoczi, 2013/01/02