MPI2_VERSION_MAJOR_MASK  273 drivers/scsi/megaraid/megaraid_sas_fusion.h #define MPI2_VERSION_MAJOR_MASK             (0xFF00)
MPI2_VERSION_MAJOR_MASK  137 drivers/scsi/mpt3sas/mpi/mpi2.h #define MPI2_VERSION_MAJOR_MASK             (0xFF00)