@@ -326,6 +326,7 @@ meson=""
meson_args=""
ninja=""
skip_meson=no
+vfio_user_server="disabled"
# The following Meson options are handled manually (still they
# are included in the automatically generated help message)
@@ -1008,6 +1009,11 @@ for opt do
;;
--disable-blobs) meson_option_parse --disable-install-blobs ""
;;
+ --enable-vfio-user-server) vfio_user_server="enabled"
+ cmake_required="yes"
+ ;;
+ --disable-vfio-user-server) vfio_user_server="disabled"
+ ;;
--enable-tcmalloc) meson_option_parse --enable-malloc=tcmalloc tcmalloc
;;
--enable-jemalloc) meson_option_parse --enable-malloc=jemalloc jemalloc
@@ -1226,6 +1232,7 @@ cat << EOF
vhost-kernel vhost kernel backend support
vhost-user vhost-user backend support
vhost-vdpa vhost-vdpa kernel backend support
+ vfio-user-server vfio-user server support
NOTE: The object files are built at the place where configure is launched
EOF
@@ -2350,6 +2357,17 @@ case "$slirp" in
;;
esac
+##########################################
+# check for vfio_user_server
+
+case "$vfio_user_server" in
+ auto | enabled )
+ if test "$git_submodules_action" != "ignore"; then
+ git_submodules="${git_submodules} subprojects/libvfio-user"
+ fi
+ ;;
+esac
+
##########################################
# End of CC checks
# After here, no more $cc or $ld runs
@@ -2854,7 +2872,7 @@ if test "$skip_meson" = no; then
-Db_pie=$(if test "$pie" = yes; then echo true; else echo false; fi) \
-Db_coverage=$(if test "$gcov" = yes; then echo true; else echo false; fi) \
-Db_lto=$lto -Dcfi=$cfi -Dtcg=$tcg -Dxen=$xen \
- -Dcapstone=$capstone -Dfdt=$fdt -Dslirp=$slirp \
+ -Dcapstone=$capstone -Dfdt=$fdt -Dslirp=$slirp -Dvfio_user_server=$vfio_user_server \
$(test -n "${LIB_FUZZING_ENGINE+xxx}" && echo "-Dfuzzing_engine=$LIB_FUZZING_ENGINE") \
$(if test "$default_feature" = no; then echo "-Dauto_features=disabled"; fi) \
"$@" $cross_arg "$PWD" "$source_path"
@@ -298,6 +298,11 @@ have_tpm = get_option('tpm') \
.require(targetos != 'windows', error_message: 'TPM emulation only available on POSIX systems') \
.allowed()
+if targetos != 'linux' and get_option('vfio_user_server').enabled()
+ error('vfio-user server is supported only on Linux')
+endif
+vfio_user_server_allowed = targetos == 'linux' and not get_option('vfio_user_server').disabled()
+
# Target-specific libraries and flags
libm = cc.find_library('m', required: false)
threads = dependency('threads')
@@ -2204,7 +2209,8 @@ host_kconfig = \
(have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
('CONFIG_LINUX' in config_host ? ['CONFIG_LINUX=y'] : []) + \
(have_pvrdma ? ['CONFIG_PVRDMA=y'] : []) + \
- (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : [])
+ (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : []) + \
+ (vfio_user_server_allowed ? ['CONFIG_VFIO_USER_SERVER_ALLOWED=y'] : [])
ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
@@ -2596,6 +2602,41 @@ if get_option('cfi') and slirp_opt == 'system'
+ ' Please configure with --enable-slirp=git')
endif
+vfiouser = not_found
+if have_system and vfio_user_server_allowed
+ have_internal = fs.exists(meson.current_source_dir() / 'subprojects/libvfio-user/Makefile')
+
+ if not have_internal
+ error('libvfio-user source not found - please pull git submodule')
+ endif
+
+ json_c = dependency('json-c', required: false)
+ if not json_c.found()
+ json_c = dependency('libjson-c', required: false)
+ endif
+ if not json_c.found()
+ json_c = dependency('libjson-c-dev', required: false)
+ endif
+
+ if not json_c.found()
+ error('Unable to find json-c package')
+ endif
+
+ cmake = import('cmake')
+
+ vfiouser_subproj = cmake.subproject('libvfio-user')
+
+ vfiouser_sl = vfiouser_subproj.dependency('vfio-user-static')
+
+ # Although cmake links the json-c library with vfio-user-static
+ # target, that info is not available to meson via cmake.subproject.
+ # As such, we have to separately declare the json-c dependency here.
+ # This appears to be a current limitation of using cmake inside meson.
+ # libvfio-user is planning a switch to meson in the future, which
+ # would address this item automatically.
+ vfiouser = declare_dependency(dependencies: [vfiouser_sl, json_c])
+endif
+
fdt = not_found
if have_system
fdt_opt = get_option('fdt')
@@ -3708,6 +3749,7 @@ summary_info += {'target list': ' '.join(target_dirs)}
if have_system
summary_info += {'default devices': get_option('default_devices')}
summary_info += {'out of process emulation': multiprocess_allowed}
+ summary_info += {'vfio-user server': vfio_user_server_allowed}
endif
summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
@@ -42,6 +42,7 @@ build-system-ubuntu:
variables:
IMAGE: ubuntu2004
CONFIGURE_ARGS: --enable-docs --enable-fdt=system --enable-slirp=system
+ --enable-vfio-user-server
TARGETS: aarch64-softmmu alpha-softmmu cris-softmmu hppa-softmmu
microblazeel-softmmu mips64el-softmmu
MAKE_CHECK_ARGS: check-build
@@ -165,6 +166,7 @@ build-system-centos:
IMAGE: centos8
CONFIGURE_ARGS: --disable-nettle --enable-gcrypt --enable-fdt=system
--enable-modules --enable-trace-backends=dtrace --enable-docs
+ --enable-vfio-user-server
TARGETS: ppc64-softmmu or1k-softmmu s390x-softmmu
x86_64-softmmu rx-softmmu sh4-softmmu nios2-softmmu
MAKE_CHECK_ARGS: check-build
@@ -67,3 +67,6 @@
[submodule "tests/lcitool/libvirt-ci"]
path = tests/lcitool/libvirt-ci
url = https://gitlab.com/libvirt/libvirt-ci.git
+[submodule "subprojects/libvfio-user"]
+ path = subprojects/libvfio-user
+ url = https://github.com/nutanix/libvfio-user.git
@@ -45,3 +45,7 @@ config MULTIPROCESS_ALLOWED
config FUZZ
bool
select SPARSE_MEM
+
+config VFIO_USER_SERVER_ALLOWED
+ bool
+ imply VFIO_USER_SERVER
@@ -3598,6 +3598,7 @@ F: hw/remote/proxy-memory-listener.c
F: include/hw/remote/proxy-memory-listener.h
F: hw/remote/iohub.c
F: include/hw/remote/iohub.h
+F: subprojects/libvfio-user
EBPF:
M: Jason Wang <jasowang@redhat.com>
@@ -2,3 +2,7 @@ config MULTIPROCESS
bool
depends on PCI && PCI_EXPRESS && KVM
select REMOTE_PCIHOST
+
+config VFIO_USER_SERVER
+ bool
+ depends on MULTIPROCESS
@@ -7,6 +7,8 @@ remote_ss.add(when: 'CONFIG_MULTIPROCESS', if_true: files('remote-obj.c'))
remote_ss.add(when: 'CONFIG_MULTIPROCESS', if_true: files('proxy.c'))
remote_ss.add(when: 'CONFIG_MULTIPROCESS', if_true: files('iohub.c'))
+remote_ss.add(when: 'CONFIG_VFIO_USER_SERVER', if_true: vfiouser)
+
specific_ss.add(when: 'CONFIG_MULTIPROCESS', if_true: files('memory.c'))
specific_ss.add(when: 'CONFIG_MULTIPROCESS', if_true: files('proxy-memory-listener.c'))
@@ -95,6 +95,9 @@ option('avx512f', type: 'feature', value: 'disabled',
option('keyring', type: 'feature', value: 'auto',
description: 'Linux keyring support')
+option('vfio_user_server', type: 'feature', value: 'auto',
+ description: 'vfio-user server support')
+
option('attr', type : 'feature', value : 'auto',
description: 'attr/xattr support')
option('auth_pam', type : 'feature', value : 'auto',
new file mode 160000
@@ -0,0 +1 @@
+Subproject commit 030d2f6e7978b8ca7577b81d4f48e2771bcd8f47
@@ -23,6 +23,7 @@ RUN dnf update -y && \
capstone-devel \
ccache \
clang \
+ cmake \
ctags \
cyrus-sasl-devel \
daxctl-devel \
@@ -45,6 +46,7 @@ RUN dnf update -y && \
gtk3-devel \
hostname \
jemalloc-devel \
+ json-c-devel \
libaio-devel \
libasan \
libattr-devel \
@@ -18,6 +18,7 @@ RUN export DEBIAN_FRONTEND=noninteractive && \
ca-certificates \
ccache \
clang \
+ cmake \
dbus \
debianutils \
diffutils \
@@ -58,6 +59,7 @@ RUN export DEBIAN_FRONTEND=noninteractive && \
libiscsi-dev \
libjemalloc-dev \
libjpeg-turbo8-dev \
+ libjson-c-dev \
liblttng-ust-dev \
liblzo2-dev \
libncursesw5-dev \