intel_fixed_bits_by_idx
mask = intel_fixed_bits_by_idx(idx - INTEL_PMC_IDX_FIXED, INTEL_FIXED_BITS_MASK);
bits = intel_fixed_bits_by_idx(idx, bits);
bits |= intel_fixed_bits_by_idx(idx, ICL_FIXED_0_ADAPTIVE);
cpuc->fixed_ctrl_val &= ~intel_fixed_bits_by_idx(idx, INTEL_FIXED_BITS_MASK);
u64 mask = intel_fixed_bits_by_idx(pmc->idx - KVM_FIXED_PMC_BASE_IDX, 0xf);
pmu->fixed_ctr_ctrl_rsvd &= ~intel_fixed_bits_by_idx(i, bits);