[PATCH 1/4] ACPICA: SRAT: Add RISC-V RINTC affinity structure

Rafael J. Wysocki rafael at kernel.org
Mon Feb 12 05:31:09 PST 2024


On Wed, Jan 31, 2024 at 3:18 AM Haibo Xu <haibo1.xu at intel.com> wrote:
>
> ACPICA commit 93caddbf2f620769052c59ec471f018281dc3a24

Not really.

> Add definition of RISC-V Interrupt Controller(RINTC)
> affinity structure which was approved by UEFI forum
> and will be part of next ACPI spec version(6.6).
>
> Link: https://github.com/acpica/acpica/commit/93caddbf

And this doesn't point to an upstream ACPICA PR.

> Signed-off-by: Haibo Xu <haibo1.xu at intel.com>
> ---
>  include/acpi/actbl3.h | 18 +++++++++++++++++-
>  1 file changed, 17 insertions(+), 1 deletion(-)
>
> diff --git a/include/acpi/actbl3.h b/include/acpi/actbl3.h
> index c080d579a546..5202e3fc9b41 100644
> --- a/include/acpi/actbl3.h
> +++ b/include/acpi/actbl3.h
> @@ -192,7 +192,8 @@ enum acpi_srat_type {
>         ACPI_SRAT_TYPE_GIC_ITS_AFFINITY = 4,    /* ACPI 6.2 */
>         ACPI_SRAT_TYPE_GENERIC_AFFINITY = 5,    /* ACPI 6.3 */
>         ACPI_SRAT_TYPE_GENERIC_PORT_AFFINITY = 6,       /* ACPI 6.4 */
> -       ACPI_SRAT_TYPE_RESERVED = 7     /* 7 and greater are reserved */
> +       ACPI_SRAT_TYPE_RINTC_AFFINITY = 7,      /* ACPI 6.6 */
> +       ACPI_SRAT_TYPE_RESERVED = 8     /* 8 and greater are reserved */
>  };
>
>  /*
> @@ -296,6 +297,21 @@ struct acpi_srat_generic_affinity {
>  #define ACPI_SRAT_GENERIC_AFFINITY_ENABLED     (1)     /* 00: Use affinity structure */
>  #define ACPI_SRAT_ARCHITECTURAL_TRANSACTIONS   (1<<1)  /* ACPI 6.4 */
>
> +/* 7: RINTC Affinity (ACPI 6.6) */
> +
> +struct acpi_srat_rintc_affinity {
> +       struct acpi_subtable_header header;
> +       u16 reserved;           /* Reserved, must be zero */
> +       u32 proximity_domain;
> +       u32 acpi_processor_uid;
> +       u32 flags;
> +       u32 clock_domain;
> +};
> +
> +/* Flags for struct acpi_srat_rintc_affinity */
> +
> +#define ACPI_SRAT_RINTC_ENABLED     (1)        /* 00: Use affinity structure */
> +
>  /*******************************************************************************
>   *
>   * STAO - Status Override Table (_STA override) - ACPI 6.0
> --
> 2.34.1
>



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