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] 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@xxxxxxxxx> Cc: Len Brown <lenb@xxxxxxxxxx> Cc: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx> Cc: linux-acpi@xxxxxxxxxxxxxxx Cc: acpica-devel@xxxxxxxxxxxxxxx Signed-off-by: Ira Weiny <ira.weiny@xxxxxxxxx> --- 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
