Add compress method zlib and zstd for parallel migration and new migration options to set qemu's parameter related with parallel migration(multifd-compression, multifd-zlib-level and multifd-zstd-level). These parameters has been supported by QEMU since 5.0. v3 of: https://listman.redhat.com/archives/libvir-list/2023-February/237604.html diff to v2: * merge the processing of new method into 'qemuMigrationParamsSetCompression' * improve descriptions for the new options. Jiang Jiacheng (3): Add public API for parallel compression method virsh: Add migrate options to set parallel compress level qemu: support set parallel migration compression method docs/manpages/virsh.rst | 29 ++++++++---- include/libvirt/libvirt-domain.h | 30 ++++++++++-- src/qemu/qemu_migration.h | 2 + src/qemu/qemu_migration_params.c | 80 +++++++++++++++++++++++++++++++- src/qemu/qemu_migration_params.h | 3 ++ tools/virsh-domain.c | 26 +++++++++++ 6 files changed, 156 insertions(+), 14 deletions(-) -- 2.33.0
