firmware: rsu: add device attributes to sysfs interface

Add the following device attributes to Intel Stratix10 Remote System Update (RSU) sysfs interface: dcmf0 dcmf1 dcmf2 dcmf3 max_retry Signed-off-by: Richard Gong <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
altera-opensource · Aug 27, 2020 · 9797100 · 9797100
1 parent 754b944
commit 9797100
Showing 1 changed file with 36 additions and 0 deletions.
diff --git a/Documentation/ABI/testing/sysfs-devices-platform-stratix10-rsu b/Documentation/ABI/testing/sysfs-devices-platform-stratix10-rsu
@@ -126,3 +126,39 @@ Description:
 			1	no action
 			0	firmware record the notify code defined
 				in b[15:0].
+
+What:		/sys/devices/platform/stratix10-rsu.0/dcmf0
+Date:		June 2020
+KernelVersion:	5.8
+Contact:	Richard Gong <[email protected]>
+Description:
+		(RO) Decision firmware copy 0 version information.
+
+What:		/sys/devices/platform/stratix10-rsu.0/dcmf1
+Date:		June 2020
+KernelVersion:	5.8
+Contact:	Richard Gong <[email protected]>
+Description:
+		(RO) Decision firmware copy 1 version information.
+
+What:		/sys/devices/platform/stratix10-rsu.0/dcmf2
+Date:		June 2020
+KernelVersion:	5.8
+Contact:	Richard Gong <[email protected]>
+Description:
+		(RO) Decision firmware copy 2 version information.
+
+What:		/sys/devices/platform/stratix10-rsu.0/dcmf3
+Date:		June 2020
+KernelVersion:	5.8
+Contact:	Richard Gong <[email protected]>
+Description:
+		(RO) Decision firmware copy 3 version information.
+
+What:		/sys/devices/platform/stratix10-rsu.0/max_retry
+Date:		June 2020
+KernelVersion:	5.8
+Contact:	Richard Gong <[email protected]>
+Description:
+		(RO) max retry parameter is stored in the firmware
+		decision IO section, as a byte located at offset 0x18c.