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Date: Mon, 12 Feb 2024 14:31:09 +0100
From: "Rafael J. Wysocki" <rafael@...nel.org>
To: Haibo Xu <haibo1.xu@...el.com>
Cc: xiaobo55x@...il.com, ajones@...tanamicro.com, sunilvl@...tanamicro.com, 
	Paul Walmsley <paul.walmsley@...ive.com>, Palmer Dabbelt <palmer@...belt.com>, 
	Albert Ou <aou@...s.berkeley.edu>, "Rafael J. Wysocki" <rafael@...nel.org>, Len Brown <lenb@...nel.org>, 
	Robert Moore <robert.moore@...el.com>, Conor Dooley <conor.dooley@...rochip.com>, 
	Guo Ren <guoren@...nel.org>, Anup Patel <apatel@...tanamicro.com>, 
	Alexandre Ghiti <alexghiti@...osinc.com>, Greentime Hu <greentime.hu@...ive.com>, 
	Jisheng Zhang <jszhang@...nel.org>, Sami Tolvanen <samitolvanen@...gle.com>, 
	Clément Léger <cleger@...osinc.com>, 
	Baoquan He <bhe@...hat.com>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, 
	Chen Jiahao <chenjiahao16@...wei.com>, Arnd Bergmann <arnd@...db.de>, 
	James Morse <james.morse@....com>, Evan Green <evan@...osinc.com>, 
	Samuel Holland <samuel.holland@...ive.com>, Marc Zyngier <maz@...nel.org>, 
	Tony Luck <tony.luck@...el.com>, Ard Biesheuvel <ardb@...nel.org>, Yuntao Wang <ytcoode@...il.com>, 
	Dave Hansen <dave.hansen@...ux.intel.com>, Alison Schofield <alison.schofield@...el.com>, 
	linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org, 
	linux-acpi@...r.kernel.org, acpica-devel@...ts.linux.dev
Subject: Re: [PATCH 1/4] ACPICA: SRAT: Add RISC-V RINTC affinity structure

On Wed, Jan 31, 2024 at 3:18 AM Haibo Xu <haibo1.xu@...el.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@...el.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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