From: Prashant Bhole <prashantbhole.linux@gmail.com> To: "Michael S . Tsirkin" <mst@redhat.com>, Jason Wang <jasowang@redhat.com>, qemu-devel@nongnu.org Cc: Prashant Bhole <prashantbhole.linux@gmail.com>, "David S . Miller" <davem@davemloft.net>, Alexei Starovoitov <ast@kernel.org>, Daniel Borkmann <daniel@iogearbox.net>, Jakub Kicinski <jakub.kicinski@netronome.com>, Jesper Dangaard Brouer <hawk@kernel.org>, John Fastabend <john.fastabend@gmail.com>, Martin KaFai Lau <kafai@fb.com>, Song Liu <songliubraving@fb.com>, Yonghong Song <yhs@fb.com>, Andrii Nakryiko <andriin@fb.com>, netdev@vger.kernel.org, kvm@vger.kernel.org Subject: [RFC 1/3] configure: add libbpf support Date: Tue, 26 Nov 2019 19:09:12 +0900 [thread overview] Message-ID: <20191126100914.5150-2-prashantbhole.linux@gmail.com> (raw) In-Reply-To: <20191126100914.5150-1-prashantbhole.linux@gmail.com> This is a preparation to add libbpf support for Qemu. When it is enabled Qemu can load eBPF programs and manipulated eBPF maps libbpf APIs. When configured with --enable-libbpf, availability of libbpf is checked. If it exists then CONFIG_LIBBPF is defined and the qemu binary is linked with libbpf. Signed-off-by: Prashant Bhole <prashantbhole.linux@gmail.com> --- configure | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/configure b/configure index 6099be1d84..a7e8a8450d 100755 --- a/configure +++ b/configure @@ -504,6 +504,7 @@ debug_mutex="no" libpmem="" default_devices="yes" plugins="no" +libbpf="no" supported_cpu="no" supported_os="no" @@ -1539,6 +1540,8 @@ for opt do ;; --disable-plugins) plugins="no" ;; + --enable-libbpf) libbpf="yes" + ;; *) echo "ERROR: unknown option $opt" echo "Try '$0 --help' for more information" @@ -1825,6 +1828,7 @@ disabled with --disable-FEATURE, default is enabled if available: debug-mutex mutex debugging support libpmem libpmem support xkbcommon xkbcommon support + libbpf eBPF program support NOTE: The object files are built at the place where configure is launched EOF @@ -6084,6 +6088,19 @@ case "$slirp" in ;; esac +########################################## +# Do we have libbpf +if test "$libbpf" != "no" ; then + if $pkg_config libbpf; then + libbpf="yes" + libbpf_libs=$($pkg_config --libs libbpf) + else + if test "$libbpf" == "yes" ; then + feature_not_found "libbpf" "Install libbpf devel" + fi + libbpf="no" + fi +fi ########################################## # End of CC checks @@ -6599,6 +6616,7 @@ echo "libpmem support $libpmem" echo "libudev $libudev" echo "default devices $default_devices" echo "plugin support $plugins" +echo "XDP offload support $libbpf" if test "$supported_cpu" = "no"; then echo @@ -7457,6 +7475,11 @@ if test "$plugins" = "yes" ; then fi fi +if test "$libbpf" = "yes" ; then + echo "CONFIG_LIBBPF=y" >> $config_host_mak + echo "LIBBPF_LIBS=$libbpf_libs" >> $config_host_mak +fi + if test "$tcg_interpreter" = "yes"; then QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/tci $QEMU_INCLUDES" elif test "$ARCH" = "sparc64" ; then -- 2.20.1
WARNING: multiple messages have this Message-ID (diff)
From: Prashant Bhole <prashantbhole.linux@gmail.com> To: "Michael S . Tsirkin" <mst@redhat.com>, Jason Wang <jasowang@redhat.com>, qemu-devel@nongnu.org Cc: Song Liu <songliubraving@fb.com>, Jakub Kicinski <jakub.kicinski@netronome.com>, Jesper Dangaard Brouer <hawk@kernel.org>, Daniel Borkmann <daniel@iogearbox.net>, netdev@vger.kernel.org, John Fastabend <john.fastabend@gmail.com>, Alexei Starovoitov <ast@kernel.org>, Martin KaFai Lau <kafai@fb.com>, Prashant Bhole <prashantbhole.linux@gmail.com>, kvm@vger.kernel.org, Yonghong Song <yhs@fb.com>, Andrii Nakryiko <andriin@fb.com>, "David S . Miller" <davem@davemloft.net> Subject: [RFC 1/3] configure: add libbpf support Date: Tue, 26 Nov 2019 19:09:12 +0900 [thread overview] Message-ID: <20191126100914.5150-2-prashantbhole.linux@gmail.com> (raw) In-Reply-To: <20191126100914.5150-1-prashantbhole.linux@gmail.com> This is a preparation to add libbpf support for Qemu. When it is enabled Qemu can load eBPF programs and manipulated eBPF maps libbpf APIs. When configured with --enable-libbpf, availability of libbpf is checked. If it exists then CONFIG_LIBBPF is defined and the qemu binary is linked with libbpf. Signed-off-by: Prashant Bhole <prashantbhole.linux@gmail.com> --- configure | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/configure b/configure index 6099be1d84..a7e8a8450d 100755 --- a/configure +++ b/configure @@ -504,6 +504,7 @@ debug_mutex="no" libpmem="" default_devices="yes" plugins="no" +libbpf="no" supported_cpu="no" supported_os="no" @@ -1539,6 +1540,8 @@ for opt do ;; --disable-plugins) plugins="no" ;; + --enable-libbpf) libbpf="yes" + ;; *) echo "ERROR: unknown option $opt" echo "Try '$0 --help' for more information" @@ -1825,6 +1828,7 @@ disabled with --disable-FEATURE, default is enabled if available: debug-mutex mutex debugging support libpmem libpmem support xkbcommon xkbcommon support + libbpf eBPF program support NOTE: The object files are built at the place where configure is launched EOF @@ -6084,6 +6088,19 @@ case "$slirp" in ;; esac +########################################## +# Do we have libbpf +if test "$libbpf" != "no" ; then + if $pkg_config libbpf; then + libbpf="yes" + libbpf_libs=$($pkg_config --libs libbpf) + else + if test "$libbpf" == "yes" ; then + feature_not_found "libbpf" "Install libbpf devel" + fi + libbpf="no" + fi +fi ########################################## # End of CC checks @@ -6599,6 +6616,7 @@ echo "libpmem support $libpmem" echo "libudev $libudev" echo "default devices $default_devices" echo "plugin support $plugins" +echo "XDP offload support $libbpf" if test "$supported_cpu" = "no"; then echo @@ -7457,6 +7475,11 @@ if test "$plugins" = "yes" ; then fi fi +if test "$libbpf" = "yes" ; then + echo "CONFIG_LIBBPF=y" >> $config_host_mak + echo "LIBBPF_LIBS=$libbpf_libs" >> $config_host_mak +fi + if test "$tcg_interpreter" = "yes"; then QEMU_INCLUDES="-iquote \$(SRC_PATH)/tcg/tci $QEMU_INCLUDES" elif test "$ARCH" = "sparc64" ; then -- 2.20.1
next prev parent reply other threads:[~2019-11-26 10:10 UTC|newest] Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-11-26 10:09 [RFC 0/3] Qemu: virtio-net XDP offload Prashant Bhole 2019-11-26 10:09 ` Prashant Bhole 2019-11-26 10:09 ` Prashant Bhole [this message] 2019-11-26 10:09 ` [RFC 1/3] configure: add libbpf support Prashant Bhole 2019-11-26 10:09 ` [RFC 2/3] virtio-net: add support for offloading XDP program Prashant Bhole 2019-11-26 10:09 ` Prashant Bhole 2019-11-26 10:09 ` [RFC 3/3] virtio-net: add support for offloading an ebpf map Prashant Bhole 2019-11-26 10:09 ` Prashant Bhole 2019-11-26 10:33 ` [RFC 0/3] Qemu: virtio-net XDP offload no-reply 2019-11-26 10:33 ` no-reply 2019-11-27 1:27 ` Prashant Bhole 2019-11-27 1:27 ` Prashant Bhole 2019-11-26 10:36 ` no-reply 2019-11-26 10:36 ` no-reply
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