[PATCH v1 2/4] power: refactor uncore power management library

Hunt, David david.hunt at intel.com
Tue Jul 23 12:26:24 CEST 2024


On 20/07/2024 17:50, Sivaprasad Tummala wrote:
> This patch refactors the power management library, addressing uncore
> power management. The primary changes involve the creation of dedicated
> directories for each driver within 'drivers/power/uncore/*'. The
> adjustment of meson.build files enables the selective activation
> of individual drivers.
>
> This refactor significantly improves code organization, enhances
> clarity and boosts maintainability. It lays the foundation for more
> focused development on individual drivers and facilitates seamless
> integration of future enhancements, particularly the AMD uncore driver.
>
> Signed-off-by: Sivaprasad Tummala<sivaprasad.tummala at amd.com>
> ---
>   .../power/intel_uncore/intel_uncore.c         |  18 +-
>   .../power/intel_uncore/intel_uncore.h         |   8 +-
>   drivers/power/intel_uncore/meson.build        |   7 +
>   drivers/power/meson.build                     |   3 +-
>   lib/power/meson.build                         |   2 +-
>   lib/power/rte_power_uncore.c                  | 206 ++++++---------
>   lib/power/rte_power_uncore.h                  |  91 ++++---
>   lib/power/rte_power_uncore_ops.h              | 239 ++++++++++++++++++
>   lib/power/version.map                         |   1 +
>   9 files changed, 406 insertions(+), 169 deletions(-)
>   rename lib/power/power_intel_uncore.c => drivers/power/intel_uncore/intel_uncore.c (95%)
>   rename lib/power/power_intel_uncore.h => drivers/power/intel_uncore/intel_uncore.h (97%)
>   create mode 100644 drivers/power/intel_uncore/meson.build
>   create mode 100644 lib/power/rte_power_uncore_ops.h
>

--snip--


>
> diff --git a/lib/power/rte_power_uncore.c b/lib/power/rte_power_uncore.c
> index 48c75a5da0..127f6ed212 100644
> --- a/lib/power/rte_power_uncore.c
> +++ b/lib/power/rte_power_uncore.c
> @@ -1,6 +1,6 @@
>   /* SPDX-License-Identifier: BSD-3-Clause
>    * Copyright(c) 2010-2014 Intel Corporation
> - * Copyright(c) 2023 AMD Corporation
> + * Copyright(c) 2024 Advanced Micro Devices, Inc.
>    */
>   


--snip--


> +struct rte_power_uncore_ops *
> +rte_power_get_uncore_ops(void)
> +{
> +	RTE_ASSERT(global_uncore_ops != NULL);


I'm only seeing this now after sending the email for the first patch. 
This would be a good solution for the global_core_ops check in 
rte_power_get_core_ops() in rte_power.c,  and would be the smaller 
change, rather than checking everywhere rte_power_get_env() is called.


> +
> +	return global_uncore_ops;
>   }
>   


--snip--


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