mirror of
https://github.com/qemu/qemu.git
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90fc91d50b
Use the new QAPI block exports API instead of defining our own QOM
objects.
This is a large change because the lifecycle of VuBlockDev needs to
follow BlockExportDriver. QOM properties are replaced by QAPI options
objects.
VuBlockDev is renamed VuBlkExport and contains a BlockExport field.
Several fields can be dropped since BlockExport already has equivalents.
The file names and meson build integration will be adjusted in a future
patch. libvhost-user should probably be built as a static library that
is linked into QEMU instead of as a .c file that results in duplicate
compilation.
The new command-line syntax is:
$ qemu-storage-daemon \
--blockdev file,node-name=drive0,filename=test.img \
--export vhost-user-blk,node-name=drive0,id=export0,unix-socket=/tmp/vhost-user-blk.sock
Note that unix-socket is optional because we may wish to accept chardevs
too in the future.
Markus noted that supported address families are not explicit in the
QAPI schema. It is unlikely that support for more address families will
be added since file descriptor passing is required and few address
families support it. If a new address family needs to be added, then the
QAPI 'features' syntax can be used to advertize them.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Acked-by: Markus Armbruster <armbru@redhat.com>
Message-id: 20200924151549.913737-12-stefanha@redhat.com
[Skip test on big-endian host architectures because this device doesn't
support them yet (as already mentioned in a code comment).
--Stefan]
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
127 lines
3.8 KiB
Meson
127 lines
3.8 KiB
Meson
block_ss.add(genh)
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block_ss.add(files(
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'accounting.c',
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'aio_task.c',
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'amend.c',
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'backup.c',
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'backup-top.c',
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'blkdebug.c',
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'blklogwrites.c',
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'blkverify.c',
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'block-backend.c',
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'block-copy.c',
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'commit.c',
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'copy-on-read.c',
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'create.c',
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'crypto.c',
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'dirty-bitmap.c',
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'filter-compress.c',
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'io.c',
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'mirror.c',
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'nbd.c',
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'null.c',
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'qapi.c',
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'qcow2-bitmap.c',
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'qcow2-cache.c',
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'qcow2-cluster.c',
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'qcow2-refcount.c',
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'qcow2-snapshot.c',
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'qcow2-threads.c',
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'qcow2.c',
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'quorum.c',
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'raw-format.c',
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'snapshot.c',
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'throttle-groups.c',
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'throttle.c',
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'vhdx-endian.c',
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'vhdx-log.c',
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'vhdx.c',
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'vmdk.c',
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'vpc.c',
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'write-threshold.c',
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), zstd, zlib)
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softmmu_ss.add(when: 'CONFIG_TCG', if_true: files('blkreplay.c'))
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block_ss.add(when: 'CONFIG_QCOW1', if_true: files('qcow.c'))
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block_ss.add(when: 'CONFIG_VDI', if_true: files('vdi.c'))
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block_ss.add(when: 'CONFIG_CLOOP', if_true: files('cloop.c'))
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block_ss.add(when: 'CONFIG_BOCHS', if_true: files('bochs.c'))
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block_ss.add(when: 'CONFIG_VVFAT', if_true: files('vvfat.c'))
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block_ss.add(when: 'CONFIG_DMG', if_true: files('dmg.c'))
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block_ss.add(when: 'CONFIG_QED', if_true: files(
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'qed-check.c',
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'qed-cluster.c',
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'qed-l2-cache.c',
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'qed-table.c',
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'qed.c',
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))
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block_ss.add(when: [libxml2, 'CONFIG_PARALLELS'], if_true: files('parallels.c'))
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block_ss.add(when: 'CONFIG_WIN32', if_true: files('file-win32.c', 'win32-aio.c'))
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block_ss.add(when: 'CONFIG_POSIX', if_true: [files('file-posix.c'), coref, iokit])
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block_ss.add(when: 'CONFIG_LIBISCSI', if_true: files('iscsi-opts.c'))
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block_ss.add(when: 'CONFIG_LINUX', if_true: files('nvme.c'))
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block_ss.add(when: 'CONFIG_REPLICATION', if_true: files('replication.c'))
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block_ss.add(when: 'CONFIG_SHEEPDOG', if_true: files('sheepdog.c'))
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block_ss.add(when: ['CONFIG_LINUX_AIO', libaio], if_true: files('linux-aio.c'))
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block_ss.add(when: ['CONFIG_LINUX_IO_URING', linux_io_uring], if_true: files('io_uring.c'))
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block_modules = {}
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modsrc = []
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foreach m : [
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['CONFIG_CURL', 'curl', [curl, glib], 'curl.c'],
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['CONFIG_GLUSTERFS', 'gluster', glusterfs, 'gluster.c'],
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['CONFIG_LIBISCSI', 'iscsi', libiscsi, 'iscsi.c'],
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['CONFIG_LIBNFS', 'nfs', libnfs, 'nfs.c'],
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['CONFIG_LIBSSH', 'ssh', libssh, 'ssh.c'],
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['CONFIG_RBD', 'rbd', rbd, 'rbd.c'],
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]
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if config_host.has_key(m[0])
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if enable_modules
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modsrc += files(m[3])
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endif
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module_ss = ss.source_set()
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module_ss.add(when: m[2], if_true: files(m[3]))
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block_modules += {m[1] : module_ss}
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endif
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endforeach
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# those are not exactly regular block modules, so treat them apart
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if 'CONFIG_DMG' in config_host
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foreach m : [
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['CONFIG_LZFSE', 'dmg-lzfse', liblzfse, 'dmg-lzfse.c'],
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['CONFIG_BZIP2', 'dmg-bz2', [glib, libbzip2], 'dmg-bz2.c']
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]
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if config_host.has_key(m[0])
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module_ss = ss.source_set()
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module_ss.add(when: m[2], if_true: files(m[3]))
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block_modules += {m[1] : module_ss}
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endif
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endforeach
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endif
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module_block_py = find_program('../scripts/modules/module_block.py')
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module_block_h = custom_target('module_block.h',
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output: 'module_block.h',
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input: modsrc,
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command: [module_block_py, '@OUTPUT0@', modsrc])
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block_ss.add(module_block_h)
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wrapper_py = find_program('../scripts/block-coroutine-wrapper.py')
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block_gen_c = custom_target('block-gen.c',
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output: 'block-gen.c',
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input: files('../include/block/block.h',
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'coroutines.h'),
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command: [wrapper_py, '@OUTPUT@', '@INPUT@'])
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block_ss.add(block_gen_c)
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block_ss.add(files('stream.c'))
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softmmu_ss.add(files('qapi-sysemu.c'))
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subdir('export')
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subdir('monitor')
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modules += {'block': block_modules}
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