mlxphyburn – Burning Tool for Externally Managed PHY
Mlxphyburn tool allows the user to burn firmware of an externally managed PHY. The tool burns and verifies a pre-compiled binary PHY firmware image on the PHY’s flash. It is supported only on Linux.
- ConnectX-3/ConnectX-3 Pro with an externally managed PHY 
- A device that has access to the PHY flash module 
- MLNX_OFED driver (if installed) must be down 
- Access to the device through the PCI interface (pciconf/pci_cr) 
- Firmware version that supports access to an externally managed PHY - Version 2_33_5000 and above 
 
            
            # mlxphyburn [-d <device>] [–i Phy_fw_image] b[urn]|q[uery]
    
where:
| -d|--dev <device> | Device which has access to the PHY. | 
| -i|--img <PHY_fw_image> | PHY firmware image. | 
| -v|--version | Display version info. | 
| -h|--help | Display help message. | 
| b[urn] | Burn given PHY image on the device's PHY. | 
| q[uery] | Query PHY FW on device. | 
If no device is specified, mlxphyburn will attempt to burn the PHY firmware image on all mst devices on the machine.
Burn Example
            
            # mlxphyburn -d /dev/mst/mt4099_pciconf0 -i Firmware_1.37.10_N32722.cld burn
-I- attempting to burn PHY Fw on device: /dev/mst/mt4099_pciconf0
-I- Burning...(Process might take a few minutes)
-I- Device burned and verified.
    
Query Example
            
            # mlxphyburn -d /dev/mst/mt4099_pciconf0 q
-I- Querying device: /dev/mst/mt4099_pciconf0
Flash Type   : Atmel AT25DF041A
FW version   : 1.37
Image ID     : 1.37.10 InterfaceMasters N32722 Apr 14, 2014 12:21:00
Image ROM ID : 0