1b39cb105SDan WilliamsWhat: /sys/bus/cxl/devices/memX/firmware_version 2b39cb105SDan WilliamsDate: December, 2020 3b39cb105SDan WilliamsKernelVersion: v5.12 4b39cb105SDan WilliamsContact: linux-cxl@vger.kernel.org 5b39cb105SDan WilliamsDescription: 6b39cb105SDan Williams (RO) "FW Revision" string as reported by the Identify 7b39cb105SDan Williams Memory Device Output Payload in the CXL-2.0 8b39cb105SDan Williams specification. 9b39cb105SDan Williams 10b39cb105SDan WilliamsWhat: /sys/bus/cxl/devices/memX/ram/size 11b39cb105SDan WilliamsDate: December, 2020 12b39cb105SDan WilliamsKernelVersion: v5.12 13b39cb105SDan WilliamsContact: linux-cxl@vger.kernel.org 14b39cb105SDan WilliamsDescription: 15b39cb105SDan Williams (RO) "Volatile Only Capacity" as bytes. Represents the 16b39cb105SDan Williams identically named field in the Identify Memory Device Output 17b39cb105SDan Williams Payload in the CXL-2.0 specification. 18b39cb105SDan Williams 19b39cb105SDan WilliamsWhat: /sys/bus/cxl/devices/memX/pmem/size 20b39cb105SDan WilliamsDate: December, 2020 21b39cb105SDan WilliamsKernelVersion: v5.12 22b39cb105SDan WilliamsContact: linux-cxl@vger.kernel.org 23b39cb105SDan WilliamsDescription: 24b39cb105SDan Williams (RO) "Persistent Only Capacity" as bytes. Represents the 25b39cb105SDan Williams identically named field in the Identify Memory Device Output 26b39cb105SDan Williams Payload in the CXL-2.0 specification. 27*4812be97SDan Williams 28*4812be97SDan WilliamsWhat: /sys/bus/cxl/devices/*/devtype 29*4812be97SDan WilliamsDate: June, 2021 30*4812be97SDan WilliamsKernelVersion: v5.14 31*4812be97SDan WilliamsContact: linux-cxl@vger.kernel.org 32*4812be97SDan WilliamsDescription: 33*4812be97SDan Williams CXL device objects export the devtype attribute which mirrors 34*4812be97SDan Williams the same value communicated in the DEVTYPE environment variable 35*4812be97SDan Williams for uevents for devices on the "cxl" bus. 36*4812be97SDan Williams 37*4812be97SDan WilliamsWhat: /sys/bus/cxl/devices/portX/uport 38*4812be97SDan WilliamsDate: June, 2021 39*4812be97SDan WilliamsKernelVersion: v5.14 40*4812be97SDan WilliamsContact: linux-cxl@vger.kernel.org 41*4812be97SDan WilliamsDescription: 42*4812be97SDan Williams CXL port objects are enumerated from either a platform firmware 43*4812be97SDan Williams device (ACPI0017 and ACPI0016) or PCIe switch upstream port with 44*4812be97SDan Williams CXL component registers. The 'uport' symlink connects the CXL 45*4812be97SDan Williams portX object to the device that published the CXL port 46*4812be97SDan Williams capability. 47