MPI2_VERSION_MAJOR_SHIFT  274 drivers/scsi/megaraid/megaraid_sas_fusion.h #define MPI2_VERSION_MAJOR_SHIFT            (8)
MPI2_VERSION_MAJOR_SHIFT  138 drivers/scsi/mpt3sas/mpi/mpi2.h #define MPI2_VERSION_MAJOR_SHIFT            (8)