diff options
Diffstat (limited to 'Documentation/ABI/testing/sysfs-bus-cxl')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-cxl | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-cxl b/Documentation/ABI/testing/sysfs-bus-cxl index 0b6a2e6e8fbb..7c2b846521f3 100644 --- a/Documentation/ABI/testing/sysfs-bus-cxl +++ b/Documentation/ABI/testing/sysfs-bus-cxl @@ -1,3 +1,12 @@ +What: /sys/bus/cxl/flush +Date: Januarry, 2022 +KernelVersion: v5.18 +Contact: linux-cxl@vger.kernel.org +Description: + (WO) If userspace manually unbinds a port the kernel schedules + all descendant memdevs for unbind. Writing '1' to this attribute + flushes that work. + What: /sys/bus/cxl/devices/memX/firmware_version Date: December, 2020 KernelVersion: v5.12 @@ -25,6 +34,24 @@ Description: identically named field in the Identify Memory Device Output Payload in the CXL-2.0 specification. +What: /sys/bus/cxl/devices/memX/serial +Date: January, 2022 +KernelVersion: v5.18 +Contact: linux-cxl@vger.kernel.org +Description: + (RO) 64-bit serial number per the PCIe Device Serial Number + capability. Mandatory for CXL devices, see CXL 2.0 8.1.12.2 + Memory Device PCIe Capabilities and Extended Capabilities. + +What: /sys/bus/cxl/devices/memX/numa_node +Date: January, 2022 +KernelVersion: v5.18 +Contact: linux-cxl@vger.kernel.org +Description: + (RO) If NUMA is enabled and the platform has affinitized the + host PCI device for this memory device, emit the CPU node + affinity for this device. + What: /sys/bus/cxl/devices/*/devtype Date: June, 2021 KernelVersion: v5.14 @@ -34,6 +61,15 @@ Description: the same value communicated in the DEVTYPE environment variable for uevents for devices on the "cxl" bus. +What: /sys/bus/cxl/devices/*/modalias +Date: December, 2021 +KernelVersion: v5.18 +Contact: linux-cxl@vger.kernel.org +Description: + CXL device objects export the modalias attribute which mirrors + the same value communicated in the MODALIAS environment variable + for uevents for devices on the "cxl" bus. + What: /sys/bus/cxl/devices/portX/uport Date: June, 2021 KernelVersion: v5.14 |