On Tue, Nov 5, 2024 at 7:38 PM Ira Weiny <ira.weiny@intel.com> wrote:
>
> The Coherent Device Attribute Table (CDAT) Device Scoped Memory Affinity
> Structure (DSMAS) version 1.04 [1] defines flags to indicate if a DPA range
> is read only and/or shared.
>
> Add read only and shareable flag definitions.
>
> This change was merged in ACPI via PR 976.[2]
s/ACPI/ACPICA/
>
> Link: https://uefi.org/sites/default/files/resources/Coherent%20Device%20Attribute%20Table_1.04%20published_0.pdf [1]
> Link: https://github.com/acpica/acpica/pull/976 [2]
> Cc: Robert Moore <robert.moore@intel.com>
> Cc: Len Brown <lenb@kernel.org>
> Cc: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
> Cc: linux-acpi@vger.kernel.org
> Cc: acpica-devel@lists.linux.dev
> Signed-off-by: Ira Weiny <ira.weiny@intel.com>
With the above change:
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
> ---
> include/acpi/actbl1.h | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/include/acpi/actbl1.h b/include/acpi/actbl1.h
> index 199afc2cd122ca8b383b1c9286f8c8cc33842fae..387fc821703a80b324637743f0d5afe03b8d7943 100644
> --- a/include/acpi/actbl1.h
> +++ b/include/acpi/actbl1.h
> @@ -403,6 +403,8 @@ struct acpi_cdat_dsmas {
> /* Flags for subtable above */
>
> #define ACPI_CDAT_DSMAS_NON_VOLATILE (1 << 2)
> +#define ACPI_CDAT_DSMAS_SHAREABLE (1 << 3)
> +#define ACPI_CDAT_DSMAS_READ_ONLY (1 << 6)
>
> /* Subtable 1: Device scoped Latency and Bandwidth Information Structure (DSLBIS) */
>
>
> --
> 2.47.0
>
>