Micron CXL CLI

MXCLI is a command-line application and a front-end to MCXL (Micron CXL Library).

It has two modes of operation:

• Interactive CLI.
• Classic argument-based CLI.¹

Features

CXL Features:

• Access CXL Registers.
• Device management using CXL spec commands:
  • CXL.io over RAW IOCTL or Memory Mapped Register access.
  • MCTP/SMBUS ²
  • UART console ³

Other Features:

• Access PCIe Registers.

Prerequisites

• Linux Distribution with CXL-enabled kernel (e.g. Ubuntu 22.04, Fedora 36, CentOS 8 and REHL 9)⁴
• The following system executables: pci-utils
  • Installable by package managers yum/apt install pci-utils
• GLIBC 2.28+ ⁵
• Root access (for sysfs R/W)

Installation Notes

• Executable distributions are self-contained and ready to be executed.
• Optionally ensure execution mode is enabled by chmod +x mxcli_YYYY.MM.DD
• Launch by ./mxcli_YYYY.MM.DD for interactive CLI or ./mxcli_YYYY.MM.DD --help for classic mode.

Footnotes

Footnotes

1. Limited testing done. ↩

2. Device must be connected via Aardvark setup. ↩

3. Device must be connected via UART. ↩

4. CentOS 8 os and RHEL 9 is supported from 2023.09.26 release onwards. ↩

5. Minimum GLIBC version 2.28 required. ↩