qemu with hax to log dma reads & writes
jcs.org/2018/11/12/vfio
1tests/qapi-schema/args-boxed-string.json:2: 'data' for command 'foo' cannot use built-in type 'str'
1tests/qapi-schema/args-boxed-string.json:2: 'data' for command 'foo' cannot use built-in type 'str'