[PATCH v1 05/27] ACPICA: Add modern standby DSM GUIDs

From: Rafael J. Wysocki

Date: Wed May 27 2026 - 14:43:54 EST


From: Daniel Schaefer <dhs@xxxxxxxxxx>

Add AMD, Intel and Microsoft GUIDs for Low-power S0 Idle _DSM.

Link: https://uefi.org/sites/default/files/resources/Intel_ACPI_Low_Power_S0_Idle.pdf
Link: https://learn.microsoft.com/en-us/windows-hardware/design/device-experiences/modern-standby-firmware-notifications
Link: https://github.com/torvalds/linux/blob/v6.18/drivers/acpi/x86/s2idle.c
Link: https://github.com/acpica/acpica/commit/cae0082158e4
Signed-off-by: Daniel Schaefer <dhs@xxxxxxxxxx>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
---
include/acpi/acuuid.h | 5 +++++
1 file changed, 5 insertions(+)

diff --git a/include/acpi/acuuid.h b/include/acpi/acuuid.h
index b2e29da6ba0a..ccc536f4bbb5 100644
--- a/include/acpi/acuuid.h
+++ b/include/acpi/acuuid.h
@@ -63,6 +63,11 @@
#define UUID_CACHE_PROPERTIES "6DC63E77-257E-4E78-A973-A21F2796898D"
#define UUID_PHYSICAL_PROPERTY "DDE4D59A-AA42-4349-B407-EA40F57D9FB7"

+/* Modern Standby */
+#define UUID_LPS0_MICROSOFT "11E00D56-CE64-47CE-837B-1F898F9AA461"
+#define UUID_LPS0_INTEL "C4EB40A0-6CD2-11E2-BCFD-0800200C9A66"
+#define UUID_LPS0_AMD "E3F32452-FEBC-43CE-9039-932122D37721"
+
/* Miscellaneous */

#define UUID_PLATFORM_CAPABILITIES "0811b06e-4a27-44f9-8d60-3cbbc22e7b48"
--
2.51.0