[PATCH v3 2/2] Documentation: ABI: add FBPT and S3PT entries to sysfs-firmware-acpi

Nate DeSimone
2026-03-24T23:17:04Z

Document the FBPT and S3PT sysfs attributes under
/sys/firmware/acpi/fpdt/

Signed-off-by: Nate DeSimone <nathaniel.l.desimone@intel.com>
---
Documentation/ABI/testing/sysfs-firmware-acpi | 6 ++++++
1 file changed, 6 insertions(+)

diff --git a/Documentation/ABI/testing/sysfs-firmware-acpi b/Documentation/ABI/testing/sysfs-firmware-acpi
index 72e7c9161ce7..fa33dda331f2 100644
--- a/Documentation/ABI/testing/sysfs-firmware-acpi
+++ b/Documentation/ABI/testing/sysfs-firmware-acpi
@@ -41,6 +41,12 @@ Description:
platform runtime firmware S3 resume, just prior to
handoff to the OS waking vector. In nanoseconds.

+ FBPT: The raw binary contents of the Firmware Basic Boot
+ Performance Table (FBPT) subtable.
+
+ S3PT: The raw binary contents of the S3 Performance Table
+ (S3PT) subtable.
+
What: /sys/firmware/acpi/bgrt/
Date: January 2012
Contact: Matthew Garrett <mjg@redhat.com>
--
2.34.1