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@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>

---
Changes:
[Rafael: new patch based on requirement to send an ACPI commit]
---
 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