qemu-e2k/block/meson.build

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block_ss.add(genh)
block_ss.add(files(
'accounting.c',
'aio_task.c',
'amend.c',
'backup.c',
'blkdebug.c',
'blklogwrites.c',
'blkverify.c',
'block-backend.c',
'block-copy.c',
'commit.c',
'copy-before-write.c',
'copy-on-read.c',
'create.c',
'crypto.c',
'dirty-bitmap.c',
'filter-compress.c',
'graph-lock.c',
'io.c',
'mirror.c',
'nbd.c',
'null.c',
'plug.c',
'preallocate.c',
'progress_meter.c',
'qapi.c',
'qcow2.c',
'qcow2-bitmap.c',
'qcow2-cache.c',
'qcow2-cluster.c',
'qcow2-refcount.c',
'qcow2-snapshot.c',
'qcow2-threads.c',
'quorum.c',
'raw-format.c',
'reqlist.c',
'snapshot.c',
'snapshot-access.c',
'throttle.c',
'throttle-groups.c',
'write-threshold.c',
), zstd, zlib, gnutls)
system_ss.add(when: 'CONFIG_TCG', if_true: files('blkreplay.c'))
system_ss.add(files('block-ram-registrar.c'))
if get_option('qcow1').allowed()
block_ss.add(files('qcow.c'))
endif
if get_option('vdi').allowed()
block_ss.add(files('vdi.c'))
endif
if get_option('vhdx').allowed()
block_ss.add(files(
'vhdx-endian.c',
'vhdx-log.c',
'vhdx.c'
))
endif
if get_option('vmdk').allowed()
block_ss.add(files('vmdk.c'))
endif
if get_option('vpc').allowed()
block_ss.add(files('vpc.c'))
endif
if get_option('cloop').allowed()
block_ss.add(files('cloop.c'))
endif
if get_option('bochs').allowed()
block_ss.add(files('bochs.c'))
endif
if get_option('vvfat').allowed()
block_ss.add(files('vvfat.c'))
endif
if get_option('dmg').allowed()
block_ss.add(files('dmg.c'))
endif
if get_option('qed').allowed()
block_ss.add(files(
'qed-check.c',
'qed-cluster.c',
'qed-l2-cache.c',
'qed-table.c',
'qed.c',
))
endif
if get_option('parallels').allowed()
block_ss.add(files('parallels.c', 'parallels-ext.c'))
endif
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'))
if get_option('replication').allowed()
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'))
block_modules = {}
modsrc = []
foreach m : [
blkio: add libblkio block driver libblkio (https://gitlab.com/libblkio/libblkio/) is a library for high-performance disk I/O. It currently supports io_uring, virtio-blk-vhost-user, and virtio-blk-vhost-vdpa with additional drivers under development. One of the reasons for developing libblkio is that other applications besides QEMU can use it. This will be particularly useful for virtio-blk-vhost-user which applications may wish to use for connecting to qemu-storage-daemon. libblkio also gives us an opportunity to develop in Rust behind a C API that is easy to consume from QEMU. This commit adds io_uring, nvme-io_uring, virtio-blk-vhost-user, and virtio-blk-vhost-vdpa BlockDrivers to QEMU using libblkio. It will be easy to add other libblkio drivers since they will share the majority of code. For now I/O buffers are copied through bounce buffers if the libblkio driver requires it. Later commits add an optimization for pre-registering guest RAM to avoid bounce buffers. The syntax is: --blockdev io_uring,node-name=drive0,filename=test.img,readonly=on|off,cache.direct=on|off --blockdev nvme-io_uring,node-name=drive0,filename=/dev/ng0n1,readonly=on|off,cache.direct=on --blockdev virtio-blk-vhost-vdpa,node-name=drive0,path=/dev/vdpa...,readonly=on|off,cache.direct=on --blockdev virtio-blk-vhost-user,node-name=drive0,path=vhost-user-blk.sock,readonly=on|off,cache.direct=on Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Acked-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Stefano Garzarella <sgarzare@redhat.com> Message-id: 20221013185908.1297568-3-stefanha@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2022-10-13 20:58:57 +02:00
[blkio, 'blkio', files('blkio.c')],
[curl, 'curl', files('curl.c')],
[glusterfs, 'gluster', files('gluster.c')],
[libiscsi, 'iscsi', [files('iscsi.c'), libm]],
[libnfs, 'nfs', files('nfs.c')],
[libssh, 'ssh', files('ssh.c')],
[rbd, 'rbd', files('rbd.c')],
]
if m[0].found()
module_ss = ss.source_set()
module_ss.add(when: m[0], if_true: m[2])
if enable_modules
modsrc += module_ss.all_sources()
endif
block_modules += {m[1] : module_ss}
endif
endforeach
# those are not exactly regular block modules, so treat them apart
if get_option('dmg').allowed()
foreach m : [
[liblzfse, 'dmg-lzfse', liblzfse, 'dmg-lzfse.c'],
[libbzip2, 'dmg-bz2', [glib, libbzip2], 'dmg-bz2.c']
]
if m[0].found()
module_ss = ss.source_set()
module_ss.add(when: m[2], if_true: files(m[3]))
block_modules += {m[1] : module_ss}
endif
endforeach
endif
module_block_py = find_program('../scripts/modules/module_block.py')
module_block_h = custom_target('module_block.h',
output: 'module_block.h',
input: modsrc,
command: [module_block_py, '@OUTPUT0@', modsrc])
block_ss.add(module_block_h)
scripts: add block-coroutine-wrapper.py We have a very frequent pattern of creating a coroutine from a function with several arguments: - create a structure to pack parameters - create _entry function to call original function taking parameters from struct - do different magic to handle completion: set ret to NOT_DONE or EINPROGRESS or use separate bool field - fill the struct and create coroutine from _entry function with this struct as a parameter - do coroutine enter and BDRV_POLL_WHILE loop Let's reduce code duplication by generating coroutine wrappers. This patch adds scripts/block-coroutine-wrapper.py together with some friends, which will generate functions with declared prototypes marked by the 'generated_co_wrapper' specifier. The usage of new code generation is as follows: 1. define the coroutine function somewhere int coroutine_fn bdrv_co_NAME(...) {...} 2. declare in some header file int generated_co_wrapper bdrv_NAME(...); with same list of parameters (generated_co_wrapper is defined in "include/block/block.h"). 3. Make sure the block_gen_c declaration in block/meson.build mentions the file with your marker function. Still, no function is now marked, this work is for the following commit. Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-Id: <20200924185414.28642-5-vsementsov@virtuozzo.com> [Added encoding='utf-8' to open() calls as requested by Vladimir. Fixed typo and grammar issues pointed out by Eric Blake. Removed clang-format dependency that caused build test issues. --Stefan] Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2020-09-24 20:54:11 +02:00
wrapper_py = find_program('../scripts/block-coroutine-wrapper.py')
block_gen_c = custom_target('block-gen.c',
output: 'block-gen.c',
input: files(
'../include/block/block-io.h',
'../include/block/dirty-bitmap.h',
2023-01-13 21:42:04 +01:00
'../include/block/block_int-io.h',
'../include/block/block-global-state.h',
'../include/sysemu/block-backend-global-state.h',
'../include/sysemu/block-backend-io.h',
'coroutines.h'
),
scripts: add block-coroutine-wrapper.py We have a very frequent pattern of creating a coroutine from a function with several arguments: - create a structure to pack parameters - create _entry function to call original function taking parameters from struct - do different magic to handle completion: set ret to NOT_DONE or EINPROGRESS or use separate bool field - fill the struct and create coroutine from _entry function with this struct as a parameter - do coroutine enter and BDRV_POLL_WHILE loop Let's reduce code duplication by generating coroutine wrappers. This patch adds scripts/block-coroutine-wrapper.py together with some friends, which will generate functions with declared prototypes marked by the 'generated_co_wrapper' specifier. The usage of new code generation is as follows: 1. define the coroutine function somewhere int coroutine_fn bdrv_co_NAME(...) {...} 2. declare in some header file int generated_co_wrapper bdrv_NAME(...); with same list of parameters (generated_co_wrapper is defined in "include/block/block.h"). 3. Make sure the block_gen_c declaration in block/meson.build mentions the file with your marker function. Still, no function is now marked, this work is for the following commit. Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-Id: <20200924185414.28642-5-vsementsov@virtuozzo.com> [Added encoding='utf-8' to open() calls as requested by Vladimir. Fixed typo and grammar issues pointed out by Eric Blake. Removed clang-format dependency that caused build test issues. --Stefan] Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2020-09-24 20:54:11 +02:00
command: [wrapper_py, '@OUTPUT@', '@INPUT@'])
block_ss.add(block_gen_c)
block_ss.add(files('stream.c'))
system_ss.add(files('qapi-sysemu.c'))
subdir('export')
subdir('monitor')
modules += {'block': block_modules}