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ACPI/CDAT: Add CDAT/DSMAS shared and read only flag values

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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 ACPICA 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
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Ira Weiny <ira.weiny@intel.com>
Link: https://patch.msgid.link/20241107-dcd-type2-upstream-v7-2-56a84e66bc36@intel.com
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
This commit is contained in:
Ira Weiny 2024-11-07 14:58:20 -06:00 committed by Dave Jiang
parent 06cf321aad
commit d62e2ed065
1 changed files with 2 additions and 0 deletions
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2
include/acpi/actbl1.h
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@ -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) */