2021-02-17 12:09:52 +08:00
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What: /sys/bus/cxl/devices/memX/firmware_version
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Date: December, 2020
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KernelVersion: v5.12
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Contact: linux-cxl@vger.kernel.org
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Description:
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(RO) "FW Revision" string as reported by the Identify
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Memory Device Output Payload in the CXL-2.0
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specification.
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What: /sys/bus/cxl/devices/memX/ram/size
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Date: December, 2020
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KernelVersion: v5.12
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Contact: linux-cxl@vger.kernel.org
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Description:
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(RO) "Volatile Only Capacity" as bytes. Represents the
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identically named field in the Identify Memory Device Output
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Payload in the CXL-2.0 specification.
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What: /sys/bus/cxl/devices/memX/pmem/size
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Date: December, 2020
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KernelVersion: v5.12
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Contact: linux-cxl@vger.kernel.org
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Description:
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(RO) "Persistent Only Capacity" as bytes. Represents the
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identically named field in the Identify Memory Device Output
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Payload in the CXL-2.0 specification.
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2021-06-10 00:01:35 +08:00
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What: /sys/bus/cxl/devices/*/devtype
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Date: June, 2021
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KernelVersion: v5.14
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Contact: linux-cxl@vger.kernel.org
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Description:
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CXL device objects export the devtype attribute which mirrors
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the same value communicated in the DEVTYPE environment variable
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for uevents for devices on the "cxl" bus.
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What: /sys/bus/cxl/devices/portX/uport
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Date: June, 2021
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KernelVersion: v5.14
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Contact: linux-cxl@vger.kernel.org
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Description:
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CXL port objects are enumerated from either a platform firmware
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device (ACPI0017 and ACPI0016) or PCIe switch upstream port with
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CXL component registers. The 'uport' symlink connects the CXL
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portX object to the device that published the CXL port
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capability.
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