GEN11_BDSM_MASK
dsm_base = intel_uncore_read64(uncore, GEN6_DSMBASE) & GEN11_BDSM_MASK;
io_start = intel_uncore_read64(uncore, GEN6_DSMBASE) & GEN11_BDSM_MASK;
phys_addr = intel_uncore_read64(uncore, GEN6_GSMBASE) & GEN11_BDSM_MASK;