On Fri, 29 Jan 2021, Ben Widawsky wrote: > diff --git a/Documentation/ABI/testing/sysfs-bus-cxl b/Documentation/ABI/testing/sysfs-bus-cxl > new file mode 100644 > index 000000000000..fe7b87eba988 > --- /dev/null > +++ b/Documentation/ABI/testing/sysfs-bus-cxl > @@ -0,0 +1,26 @@ > +What: /sys/bus/cxl/devices/memX/firmware_version > +Date: December, 2020 > +KernelVersion: v5.12 > +Contact: linux-cxl@xxxxxxxxxxxxxxx > +Description: > + (RO) "FW Revision" string as reported by the Identify > + Memory Device Output Payload in the CXL-2.0 > + specification. > + > +What: /sys/bus/cxl/devices/memX/ram/size > +Date: December, 2020 > +KernelVersion: v5.12 > +Contact: linux-cxl@xxxxxxxxxxxxxxx > +Description: > + (RO) "Volatile Only Capacity" as reported by the > + Identify Memory Device Output Payload in the CXL-2.0 > + specification. > + > +What: /sys/bus/cxl/devices/memX/pmem/size > +Date: December, 2020 > +KernelVersion: v5.12 > +Contact: linux-cxl@xxxxxxxxxxxxxxx > +Description: > + (RO) "Persistent Only Capacity" as reported by the > + Identify Memory Device Output Payload in the CXL-2.0 > + specification. Aren't volatile and persistent capacities expressed in multiples of 256MB?
