On Fri,  9 Jun 2023 14:18:43 +0200 Arkadiusz Kubalewski wrote:

Implement common API for clock/DPLL configuration and status reporting.
The API utilises netlink interface as transport for commands and event
notifications. This API aim to extend current pin configuration and
make it flexible and easy to cover special configurations.

Netlink interface is based on ynl spec, it allows use of in-kernel
tools/net/ynl/cli.py application to control the interface with properly
formated command and json attribute strings. Here are few command
examples of how it works with `ice` driver on supported NIC:

Now I see why you sent the ynl-gen patch you sent :) It's the
combination of nest and multi-attr which doesn't populate the right
policy. Also the enums are not policed right by ynl-gen.

I pushed two fixes to my local tree:
https://github.com/kuba-moo/linux/commits/ynl-c
in case you need them. I'll submit them on Monday.

I also tried to run the user space C code gen (for generating C
API/lib as described in [1]). It seems to work just fine, FWIW, so
just LMK if C bindings would be useful, I can give more instructions.

[1] https://docs.kernel.org/next/userspace-api/netlink/intro-specs.html#ynl-lib