305 static struct dmar_domain *si_domain;  variable
2365 	if (domain == si_domain && hw_pass_through) {  in iommu_prepare_identity_map()
2456 	si_domain = alloc_domain(DOMAIN_FLAG_STATIC_IDENTITY);  in si_domain_init()
2457 	if (!si_domain)  in si_domain_init()
2461 		ret = iommu_attach_domain(si_domain, iommu);  in si_domain_init()
2463 			domain_exit(si_domain);  in si_domain_init()
2466 			si_domain->id = ret;  in si_domain_init()
2468 		} else if (si_domain->id != ret) {  in si_domain_init()
2469 			domain_exit(si_domain);  in si_domain_init()
2472 		domain_attach_iommu(si_domain, iommu);  in si_domain_init()
2475 	if (md_domain_init(si_domain, DEFAULT_DOMAIN_ADDRESS_WIDTH)) {  in si_domain_init()
2476 		domain_exit(si_domain);  in si_domain_init()
2481 		 si_domain->id);  in si_domain_init()
2491 			ret = iommu_domain_identity_map(si_domain,  in si_domain_init()
2510 		return (info->domain == si_domain);  in identity_mapping()
2676 	ret = domain_add_dev_info(si_domain, dev,  in dev_prepare_static_identity_mapping()
3019 			domain_remove_one_dev_info(si_domain, dev);  in iommu_no_mapping()
3031 			ret = domain_add_dev_info(si_domain, dev,  in iommu_no_mapping()
3865 	if (si_domain) {  in intel_iommu_add()
3866 		ret = iommu_attach_domain(si_domain, iommu);  in intel_iommu_add()
3867 		if (ret < 0 || si_domain->id != ret)  in intel_iommu_add()
3869 		domain_attach_iommu(si_domain, iommu);  in intel_iommu_add()
4060 		if (iommu_domain_identity_map(si_domain, start, end)) {  in intel_iommu_memory_notifier()
4077 			iova = find_iova(&si_domain->iovad, start_vpfn);  in intel_iommu_memory_notifier()
4084 			iova = split_and_remove_iova(&si_domain->iovad, iova,  in intel_iommu_memory_notifier()
4092 			freelist = domain_unmap(si_domain, iova->pfn_lo,  in intel_iommu_memory_notifier()
4097 				iommu_flush_iotlb_psi(iommu, si_domain->id,  in intel_iommu_memory_notifier()
4252 	if (si_domain && !hw_pass_through)  in intel_iommu_init()