[Feature] add GA346 baseline version

Change-Id: Ic62933698569507dcf98240cdf5d9931ae34348f
diff --git a/src/kernel/linux/v4.19/Documentation/ABI/testing/sysfs-class-ocxl b/src/kernel/linux/v4.19/Documentation/ABI/testing/sysfs-class-ocxl
new file mode 100644
index 0000000..b5b1fa1
--- /dev/null
+++ b/src/kernel/linux/v4.19/Documentation/ABI/testing/sysfs-class-ocxl
@@ -0,0 +1,35 @@
+What:		/sys/class/ocxl/<afu name>/afu_version
+Date:		January 2018
+Contact:	linuxppc-dev@lists.ozlabs.org
+Description:	read only
+		Version of the AFU, in the format <major>:<minor>
+		Reflects what is read in the configuration space of the AFU
+
+What:		/sys/class/ocxl/<afu name>/contexts
+Date:		January 2018
+Contact:	linuxppc-dev@lists.ozlabs.org
+Description:	read only
+		Number of contexts for the AFU, in the format <n>/<max>
+		where:
+			n:	number of currently active contexts, for debug
+			max:	maximum number of contexts supported by the AFU
+
+What:		/sys/class/ocxl/<afu name>/pp_mmio_size
+Date:		January 2018
+Contact:	linuxppc-dev@lists.ozlabs.org
+Description:	read only
+		Size of the per-process mmio area, as defined in the
+		configuration space of the AFU
+
+What:		/sys/class/ocxl/<afu name>/global_mmio_size
+Date:		January 2018
+Contact:	linuxppc-dev@lists.ozlabs.org
+Description:	read only
+		Size of the global mmio area, as defined in the
+		configuration space of the AFU
+
+What:		/sys/class/ocxl/<afu name>/global_mmio_area
+Date:		January 2018
+Contact:	linuxppc-dev@lists.ozlabs.org
+Description:	read/write
+		Give access the global mmio area for the AFU