configure, meson: move block layer options to meson_options.txt

Unlike image formats, these also require an entry in config-host.h.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

block/meson.build

@@ -80,7 +80,9 @@ block_ss.add(when: 'CONFIG_WIN32', if_true: files('file-win32.c', 'win32-aio.c')
 block_ss.add(when: 'CONFIG_POSIX', if_true: [files('file-posix.c'), coref, iokit])
 block_ss.add(when: libiscsi, if_true: files('iscsi-opts.c'))
 block_ss.add(when: 'CONFIG_LINUX', if_true: files('nvme.c'))
-block_ss.add(when: 'CONFIG_REPLICATION', if_true: files('replication.c'))
+if not get_option('replication').disabled()
+  block_ss.add(files('replication.c'))
+endif
 block_ss.add(when: libaio, if_true: files('linux-aio.c'))
 block_ss.add(when: linux_io_uring, if_true: files('io_uring.c'))
 

configure

@@ -329,8 +329,6 @@ coroutine=""
 coroutine_pool="$default_feature"
 debug_stack_usage="no"
 tls_priority="NORMAL"
-live_block_migration=${default_feature:-yes}
-replication=${default_feature:-yes}
 debug_mutex="no"
 plugins="$default_feature"
 rng_none="no"
@@ -1028,14 +1026,6 @@ for opt do
   ;;
   --disable-pvrdma) pvrdma="no"
   ;;
-  --disable-live-block-migration) live_block_migration="no"
-  ;;
-  --enable-live-block-migration) live_block_migration="yes"
-  ;;
-  --disable-replication) replication="no"
-  ;;
-  --enable-replication) replication="yes"
-  ;;
   --disable-vhost-user) vhost_user="no"
   ;;
   --enable-vhost-user) vhost_user="yes"
@@ -1329,9 +1319,7 @@ cat << EOF
   vhost-kernel    vhost kernel backend support
   vhost-user      vhost-user backend support
   vhost-vdpa      vhost-vdpa kernel backend support
-  live-block-migration   Block migration in the main migration stream
   coroutine-pool  coroutine freelist (better performance)
-  replication     replication support
   opengl          opengl support
   qom-cast-debug  cast debugging support
   tools           build qemu-io, qemu-nbd and qemu-img tools
@@ -3195,10 +3183,6 @@ if test "$cmpxchg128" = "yes" ; then
   echo "CONFIG_CMPXCHG128=y" >> $config_host_mak
 fi
 
-if test "$live_block_migration" = "yes" ; then
-  echo "CONFIG_LIVE_BLOCK_MIGRATION=y" >> $config_host_mak
-fi
-
 if test "$rdma" = "yes" ; then
   echo "CONFIG_RDMA=y" >> $config_host_mak
   echo "RDMA_LIBS=$rdma_libs" >> $config_host_mak
@@ -3208,10 +3192,6 @@ if test "$pvrdma" = "yes" ; then
   echo "CONFIG_PVRDMA=y" >> $config_host_mak
 fi
 
-if test "$replication" = "yes" ; then
-  echo "CONFIG_REPLICATION=y" >> $config_host_mak
-fi
-
 if test "$debug_mutex" = "yes" ; then
   echo "CONFIG_DEBUG_MUTEX=y" >> $config_host_mak
 fi

meson.build

@@ -1539,6 +1539,9 @@ config_host_data.set_quoted('CONFIG_HOST_DSOSUF', host_dsosuf)
 config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device)
 config_host_data.set('HOST_WORDS_BIGENDIAN', host_machine.endian() == 'big')
 
+config_host_data.set('CONFIG_LIVE_BLOCK_MIGRATION', get_option('live_block_migration').allowed())
+config_host_data.set('CONFIG_REPLICATION', get_option('live_block_migration').allowed())
+
 # has_header
 config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h'))
 config_host_data.set('CONFIG_LINUX_MAGIC_H', cc.has_header('linux/magic.h'))
@@ -2684,7 +2687,9 @@ if have_block
     'job.c',
     'qemu-io-cmds.c',
   ))
-  block_ss.add(when: 'CONFIG_REPLICATION', if_true: files('replication.c'))
+  if config_host_data.get('CONFIG_REPLICATION')
+    block_ss.add(files('replication.c'))
+  endif
 
   subdir('nbd')
   subdir('scsi')
@@ -3461,8 +3466,8 @@ if have_block
   summary_info += {'Use block whitelist in tools': config_host.has_key('CONFIG_BDRV_WHITELIST_TOOLS')}
   summary_info += {'VirtFS support':    have_virtfs}
   summary_info += {'build virtiofs daemon': have_virtiofsd}
-  summary_info += {'Live block migration': config_host.has_key('CONFIG_LIVE_BLOCK_MIGRATION')}
-  summary_info += {'replication support': config_host.has_key('CONFIG_REPLICATION')}
+  summary_info += {'Live block migration': config_host_data.get('CONFIG_LIVE_BLOCK_MIGRATION')}
+  summary_info += {'replication support': config_host_data.get('CONFIG_REPLICATION')}
   summary_info += {'bochs support':     get_option('bochs').allowed()}
   summary_info += {'cloop support':     get_option('cloop').allowed()}
   summary_info += {'dmg support':       get_option('dmg').allowed()}

meson_options.txt

@@ -222,6 +222,10 @@ option('fdt', type: 'combo', value: 'auto',
 
 option('selinux', type: 'feature', value: 'auto',
        description: 'SELinux support in qemu-nbd')
+option('live_block_migration', type: 'feature', value: 'auto',
+       description: 'block migration in the main migration stream')
+option('replication', type: 'feature', value: 'auto',
+       description: 'replication support')
 option('bochs', type: 'feature', value: 'auto',
        description: 'bochs image format support')
 option('cloop', type: 'feature', value: 'auto',

migration/meson.build

@@ -28,7 +28,9 @@ softmmu_ss.add(files(
 ), gnutls)
 
 softmmu_ss.add(when: ['CONFIG_RDMA', rdma], if_true: files('rdma.c'))
-softmmu_ss.add(when: 'CONFIG_LIVE_BLOCK_MIGRATION', if_true: files('block.c'))
+if get_option('live_block_migration').allowed()
+  softmmu_ss.add(files('block.c'))
+endif
 softmmu_ss.add(when: zstd, if_true: files('multifd-zstd.c'))
 
 specific_ss.add(when: 'CONFIG_SOFTMMU',

scripts/meson-buildoptions.sh

@@ -66,6 +66,8 @@ meson_options_help() {
   printf "%s\n" '  libusb          libusb support for USB passthrough'
   printf "%s\n" '  linux-aio       Linux AIO support'
   printf "%s\n" '  linux-io-uring  Linux io_uring support'
+  printf "%s\n" '  live-block-migration'
+  printf "%s\n" '                  block migration in the main migration stream'
   printf "%s\n" '  lzfse           lzfse support for DMG images'
   printf "%s\n" '  lzo             lzo compression support'
   printf "%s\n" '  malloc-trim     enable libc malloc_trim() for memory optimization'
@@ -82,6 +84,7 @@ meson_options_help() {
   printf "%s\n" '  qcow1           qcow1 image format support'
   printf "%s\n" '  qed             qed image format support'
   printf "%s\n" '  rbd             Ceph block device driver'
+  printf "%s\n" '  replication     replication support'
   printf "%s\n" '  sdl             SDL user interface'
   printf "%s\n" '  sdl-image       SDL Image support for icons'
   printf "%s\n" '  seccomp         seccomp support'
@@ -217,6 +220,8 @@ _meson_option_parse() {
     --disable-linux-aio) printf "%s" -Dlinux_aio=disabled ;;
     --enable-linux-io-uring) printf "%s" -Dlinux_io_uring=enabled ;;
     --disable-linux-io-uring) printf "%s" -Dlinux_io_uring=disabled ;;
+    --enable-live-block-migration) printf "%s" -Dlive_block_migration=enabled ;;
+    --disable-live-block-migration) printf "%s" -Dlive_block_migration=disabled ;;
     --enable-lzfse) printf "%s" -Dlzfse=enabled ;;
     --disable-lzfse) printf "%s" -Dlzfse=disabled ;;
     --enable-lzo) printf "%s" -Dlzo=enabled ;;
@@ -250,6 +255,8 @@ _meson_option_parse() {
     --disable-qed) printf "%s" -Dqed=disabled ;;
     --enable-rbd) printf "%s" -Drbd=enabled ;;
     --disable-rbd) printf "%s" -Drbd=disabled ;;
+    --enable-replication) printf "%s" -Dreplication=enabled ;;
+    --disable-replication) printf "%s" -Dreplication=disabled ;;
     --enable-sdl) printf "%s" -Dsdl=enabled ;;
     --disable-sdl) printf "%s" -Dsdl=disabled ;;
     --enable-sdl-image) printf "%s" -Dsdl_image=enabled ;;

tests/unit/meson.build

@@ -106,7 +106,7 @@ if have_block
   if 'CONFIG_POSIX' in config_host
     tests += {'test-image-locking': [testblock]}
   endif
-  if 'CONFIG_REPLICATION' in config_host
+  if config_host_data.get('CONFIG_REPLICATION')
     tests += {'test-replication': [testblock]}
   endif
   if nettle.found() or gcrypt.found()