RISCV_IOMMU_DC_FSC_IOSATP_MODE_SV39
int level = domain->pgd_mode - RISCV_IOMMU_DC_FSC_IOSATP_MODE_SV39 + 2;
int level = domain->pgd_mode - RISCV_IOMMU_DC_FSC_IOSATP_MODE_SV39 + 2;
case RISCV_IOMMU_DC_FSC_IOSATP_MODE_SV39:
pgd_mode = RISCV_IOMMU_DC_FSC_IOSATP_MODE_SV39;