Re: [RFC 3/9] RISC-V: Add FIRMWARE_READ_HI definition

From: Anup Patel
Date: Thu Dec 14 2023 - 07:16:33 EST


On Tue, Dec 5, 2023 at 8:13 AM Atish Patra <atishp@xxxxxxxxxxxx> wrote:
>
> SBI v2.0 added another function to SBI PMU extension to read
> the upper bits of a counter with width larger than XLEN.
>
> Add the definition for that function.
>
> Signed-off-by: Atish Patra <atishp@xxxxxxxxxxxx>

LGTM.

Reviewed-by: Anup Patel <anup@xxxxxxxxxxxxxx>

Regards,
Anup

> ---
> arch/riscv/include/asm/sbi.h | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/arch/riscv/include/asm/sbi.h b/arch/riscv/include/asm/sbi.h
> index 0892f4421bc4..f3eeca79a02d 100644
> --- a/arch/riscv/include/asm/sbi.h
> +++ b/arch/riscv/include/asm/sbi.h
> @@ -121,6 +121,7 @@ enum sbi_ext_pmu_fid {
> SBI_EXT_PMU_COUNTER_START,
> SBI_EXT_PMU_COUNTER_STOP,
> SBI_EXT_PMU_COUNTER_FW_READ,
> + SBI_EXT_PMU_COUNTER_FW_READ_HI,
> };
>
> union sbi_pmu_ctr_info {
> --
> 2.34.1
>