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SubjectRE: [RFC 1/3] ACPICA: ACPI 6.3: Add MADT/GICC/SPE extension.
Date


> -----Original Message-----
> From: Jeremy Linton [mailto:jeremy.linton@arm.com]
> Sent: Friday, February 8, 2019 4:47 PM
> To: linux-arm-kernel@lists.infradead.org
> Cc: linux-kernel@vger.kernel.org; linux-acpi@vger.kernel.org;
> devel@acpica.org; catalin.marinas@arm.com; will.deacon@arm.com;
> mark.rutland@arm.com; Moore, Robert <robert.moore@intel.com>;
> Schmauss, Erik <erik.schmauss@intel.com>; Wysocki, Rafael J
> <rafael.j.wysocki@intel.com>; lenb@kernel.org; Jeremy Linton
> <jeremy.linton@arm.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@arm.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

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