arm_smmu_strtab_l1_idx
l2table = &cfg->l2.l2ptrs[arm_smmu_strtab_l1_idx(sid)];
arm_smmu_write_strtab_l1_desc(&cfg->l2.l1tab[arm_smmu_strtab_l1_idx(sid)],
return &cfg->l2.l2ptrs[arm_smmu_strtab_l1_idx(sid)]
return arm_smmu_strtab_l1_idx(sid) < smmu->strtab_cfg.l2.num_l1_ents;
arm_smmu_strtab_l1_idx((1ULL << smmu->sid_bits) - 1);