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This defines the temporary binary blow we are to pass to the SCU driver to emulate the binary firmware that we will eventually be able to access via NVRAM on the SCU controller. The current size of the binary blob is expected to be 149 bytes or larger Header Types: 0x1: Phy Masks 0x2: Phy Gens 0x3: SAS Addrs 0xff: End of Data ID string - u8[12]: "#SCU MAGIC#\0" Version - u8: 1 SubVersion - u8: 0 Header Type - u8: 0x1 Size - u8: 8 Phy Mask - u32[8] Header Type - u8: 0x2 Size - u8: 8 Phy Gen - u32[8] Header Type - u8: 0x3 Size - u8: 8 Sas Addr - u64[8] Header Type - u8: 0xf ============================================================================== Place isci_firmware.bin in /lib/firmware/isci Be sure to recreate the initramfs image to include the firmware.