linux-kernel - RE: [RFC 1/3] ACPICA: ACPI 6.3: Add MADT/GICC/SPE extension.

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Message-ID: <CF6A88132359CE47947DB4C6E1709ED53C57BD14@ORSMSX122.amr.corp.intel.com>
Date:   Mon, 11 Feb 2019 18:27:02 +0000
From:   "Schmauss, Erik" <erik.schmauss@...el.com>
To:     Jeremy Linton <jeremy.linton@....com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>
CC:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>,
        "devel@...ica.org" <devel@...ica.org>,
        "catalin.marinas@....com" <catalin.marinas@....com>,
        "will.deacon@....com" <will.deacon@....com>,
        "mark.rutland@....com" <mark.rutland@....com>,
        "Moore, Robert" <robert.moore@...el.com>,
        "Wysocki, Rafael J" <rafael.j.wysocki@...el.com>,
        "lenb@...nel.org" <lenb@...nel.org>
Subject: RE: [RFC 1/3] ACPICA: ACPI 6.3: Add MADT/GICC/SPE extension.



> -----Original Message-----
> From: Jeremy Linton [mailto:jeremy.linton@....com]
> Sent: Friday, February 8, 2019 4:47 PM
> To: linux-arm-kernel@...ts.infradead.org
> Cc: linux-kernel@...r.kernel.org; linux-acpi@...r.kernel.org;
> devel@...ica.org; catalin.marinas@....com; will.deacon@....com;
> mark.rutland@....com; Moore, Robert <robert.moore@...el.com>;
> Schmauss, Erik <erik.schmauss@...el.com>; Wysocki, Rafael J
> <rafael.j.wysocki@...el.com>; lenb@...nel.org; Jeremy Linton
> <jeremy.linton@....com>
> Subject: [RFC 1/3] ACPICA: ACPI 6.3: Add MADT/GICC/SPE extension.
> 
Hi Jeremy,

> [Placeholder patch for upstream ACPICA commit]

FYI: we are planning on releasing ACPICA patches by the end of this week at the latest.

Erik
> 
> Add just ACPI 6.3 changes associated with the arm64 SPE.
> 
> Signed-off-by: Jeremy Linton <jeremy.linton@....com>
> ---
>  include/acpi/actbl2.h | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
> 
> diff --git a/include/acpi/actbl2.h b/include/acpi/actbl2.h index
> c50ef7e6b942..4b58eb6cf64e 100644
> --- a/include/acpi/actbl2.h
> +++ b/include/acpi/actbl2.h
> @@ -623,7 +623,7 @@ struct acpi_madt_local_x2apic_nmi {
>  	u8 reserved[3];		/* reserved - must be zero */
>  };
> 
> -/* 11: Generic Interrupt (ACPI 5.0 + ACPI 6.0 changes) */
> +/* 11: Generic Interrupt (ACPI 5.0 + 6.0 + 6.3 changes) */
> 
>  struct acpi_madt_generic_interrupt {
>  	struct acpi_subtable_header header;
> @@ -641,7 +641,8 @@ struct acpi_madt_generic_interrupt {
>  	u64 gicr_base_address;
>  	u64 arm_mpidr;
>  	u8 efficiency_class;
> -	u8 reserved2[3];
> +	u8 reserved2;
> +	u16 spe_overflow_interrupt;
>  };
> 
>  /* Masks for Flags field above */
> --
> 2.17.2