On 25/06/2021 12:47, Xueming Li wrote:
> Auxiliary bus [1] provides a way to split function into child-devices
> representing sub-domains of functionality. Each auxiliary device
> represents a part of its parent functionality.
>
> Auxiliary device is identified by unique device name, sysfs path:
> /sys/bus/auxiliary/devices/<name>
>
> Devargs legacy syntax ofauxiliary device:
> -a auxiliary:<name>[,args...]
> Devargs generic syntax of auxiliary device:
> -a bus=auxiliary,name=<name>,,/class=<classs>,,/driver=<driver>,,
>
> [1] kernel auxiliary bus document:
> https://www.kernel.org/doc/html/latest/driver-api/auxiliary_bus.html
>
> Signed-off-by: Xueming Li <xuemi...@nvidia.com>
> Cc: Wang Haiyue <haiyue.w...@intel.com>
> Cc: Thomas Monjalon <tho...@monjalon.net>
> Cc: Kinsella Ray <m...@ashroe.eu>
> ---
> MAINTAINERS | 5 +
> doc/guides/rel_notes/release_21_08.rst | 6 +
> drivers/bus/auxiliary/auxiliary_common.c | 411 ++++++++++++++++++++++
> drivers/bus/auxiliary/auxiliary_params.c | 59 ++++
> drivers/bus/auxiliary/linux/auxiliary.c | 141 ++++++++
> drivers/bus/auxiliary/meson.build | 16 +
> drivers/bus/auxiliary/private.h | 74 ++++
> drivers/bus/auxiliary/rte_bus_auxiliary.h | 201 +++++++++++
> drivers/bus/auxiliary/version.map | 7 +
> drivers/bus/meson.build | 1 +
> 10 files changed, 921 insertions(+)
> create mode 100644 drivers/bus/auxiliary/auxiliary_common.c
> create mode 100644 drivers/bus/auxiliary/auxiliary_params.c
> create mode 100644 drivers/bus/auxiliary/linux/auxiliary.c
> create mode 100644 drivers/bus/auxiliary/meson.build
> create mode 100644 drivers/bus/auxiliary/private.h
> create mode 100644 drivers/bus/auxiliary/rte_bus_auxiliary.h
> create mode 100644 drivers/bus/auxiliary/version.map
>
[SNIP]
> diff --git a/drivers/bus/auxiliary/version.map
> b/drivers/bus/auxiliary/version.map
> new file mode 100644
> index 0000000000..a52260657c
> --- /dev/null
> +++ b/drivers/bus/auxiliary/version.map
> @@ -0,0 +1,7 @@
> +EXPERIMENTAL {
> + global:
> +
> + # added in 21.08
> + rte_auxiliary_register;
> + rte_auxiliary_unregister;
> +};
Aren't these really internal?
> diff --git a/drivers/bus/meson.build b/drivers/bus/meson.build
> index 410058de3a..45eab5233d 100644
> --- a/drivers/bus/meson.build
> +++ b/drivers/bus/meson.build
> @@ -2,6 +2,7 @@
> # Copyright(c) 2017 Intel Corporation
>
> drivers = [
> + 'auxiliary',
> 'dpaa',
> 'fslmc',
> 'ifpga',
>
