[PATCH 5/7] lib: sbi_pmu: Add custom PMU device operations

[Andrew Jones]

On Thu, Aug 25, 2022 at 10:21:42AM +0530, Anup Patel wrote:
> We extend SBI PMU implementation to allow custom PMU device operations
> which a platform can use for platform specific quirks.
> 
> The custom PMU device operations added by this patch include:
> 1) Operations to allow a platform implement custom firmware events.
>    These custom firmware events can be SBI vendor extension related
>    events or platform specific per-HART events are not possible to
>    count through HPM CSRs.
> 2) Operations to allow a platform implement custom way for enabling
>    (or disabling) an overflow interrupt (e.g. T-Head C9xx).
> 
> Signed-off-by: Anup Patel <apatel at ventanamicro.com>
> ---
>  include/sbi/sbi_pmu.h |  57 ++++++++++++++++++++++
>  lib/sbi/sbi_pmu.c     | 108 ++++++++++++++++++++++++++++++++++--------
>  2 files changed, 144 insertions(+), 21 deletions(-)
>

Reviewed-by: Andrew Jones <ajones at ventanamicro.com>