Re: [PATCH v7 6/7] rust: add crate to expose bindings and interfaces

["Daniel P. Berrangé" <berrange@redhat.com>]

On Thu, Aug 15, 2024 at 04:01:17PM +0200, Philippe Mathieu-Daudé wrote:
> Hi Manos,
> 
> On 15/8/24 13:42, Manos Pitsidianakis wrote:
> > Add rust/qemu-api, which exposes rust-bindgen generated FFI bindings and
> > provides some declaration macros for symbols visible to the rest of
> > QEMU.
> > 
> > Co-authored-by: Junjie Mao <junjie.mao@intel.com>
> > Co-authored-by: Paolo Bonzini <pbonzini@redhat.com>
> > Signed-off-by: Junjie Mao <junjie.mao@intel.com>
> > Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
> > Signed-off-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
> > ---
> >   MAINTAINERS                       |   6 ++
> >   rust/meson.build                  |   9 +++
> >   rust/qemu-api/.gitignore          |   2 +
> >   rust/qemu-api/Cargo.lock          |   7 +++
> >   rust/qemu-api/Cargo.toml          |  23 +++++++
> >   rust/qemu-api/README.md           |  17 +++++
> >   rust/qemu-api/build.rs            |  13 ++++
> >   rust/qemu-api/meson.build         |  17 +++++
> >   rust/qemu-api/rustfmt.toml        |   1 +
> >   rust/qemu-api/src/bindings.rs     |   7 +++
> >   rust/qemu-api/src/definitions.rs  | 108 ++++++++++++++++++++++++++++++++
> >   rust/qemu-api/src/device_class.rs | 128 ++++++++++++++++++++++++++++++++++++++
> >   rust/qemu-api/src/lib.rs          | 100 +++++++++++++++++++++++++++++
> >   rust/qemu-api/src/tests.rs        |  48 ++++++++++++++
> >   rust/rustfmt.toml                 |   7 +++
> >   15 files changed, 493 insertions(+)

> > diff --git a/rust/qemu-api/Cargo.toml b/rust/qemu-api/Cargo.toml
> > new file mode 100644
> > index 0000000000..51260cbe42
> > --- /dev/null
> > +++ b/rust/qemu-api/Cargo.toml
> > @@ -0,0 +1,23 @@
> > +[package]
> > +name = "qemu_api"
> > +version = "0.1.0"
> > +edition = "2021"
> 
> > +license = "GPL-2.0 OR GPL-3.0-or-later"
> 
> in particular explaining the license choice.

Semantically this is an overly verbose way of saying
"GPL-2.0-or-later", so just simplify this.

> Should all rust code use it?

GPL-2.0-or-later is what we expect all new QEMU contributions to be
licensed as, regardless of language[1], so this looks desirable.

With regards,
Daniel

[1] unless they're derived from one of the few pieces of code under
    different terms
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