21 static int intel_nested_attach_dev(struct iommu_domain *domain,  in intel_nested_attach_dev()  argument
25 	struct dmar_domain *dmar_domain = to_dmar_domain(domain);  in intel_nested_attach_dev()
30 	if (info->domain)  in intel_nested_attach_dev()
43 	ret = prepare_domain_attach_device(&dmar_domain->s2_domain->domain, dev);  in intel_nested_attach_dev()
64 	info->domain = dmar_domain;  in intel_nested_attach_dev()
78 static void intel_nested_domain_free(struct iommu_domain *domain)  in intel_nested_domain_free()  argument
80 	struct dmar_domain *dmar_domain = to_dmar_domain(domain);  in intel_nested_domain_free()
90 static int intel_nested_cache_invalidate_user(struct iommu_domain *domain,  in intel_nested_cache_invalidate_user()  argument
93 	struct dmar_domain *dmar_domain = to_dmar_domain(domain);  in intel_nested_cache_invalidate_user()
144 	struct dmar_domain *domain;  in intel_nested_domain_alloc()  local
159 	domain = kzalloc(sizeof(*domain), GFP_KERNEL_ACCOUNT);  in intel_nested_domain_alloc()
160 	if (!domain)  in intel_nested_domain_alloc()
163 	domain->use_first_level = true;  in intel_nested_domain_alloc()
164 	domain->s2_domain = s2_domain;  in intel_nested_domain_alloc()
165 	domain->s1_pgtbl = vtd.pgtbl_addr;  in intel_nested_domain_alloc()
166 	domain->s1_cfg = vtd;  in intel_nested_domain_alloc()
167 	domain->domain.ops = &intel_nested_domain_ops;  in intel_nested_domain_alloc()
168 	domain->domain.type = IOMMU_DOMAIN_NESTED;  in intel_nested_domain_alloc()
169 	INIT_LIST_HEAD(&domain->devices);  in intel_nested_domain_alloc()
170 	INIT_LIST_HEAD(&domain->dev_pasids);  in intel_nested_domain_alloc()
171 	INIT_LIST_HEAD(&domain->cache_tags);  in intel_nested_domain_alloc()
172 	spin_lock_init(&domain->lock);  in intel_nested_domain_alloc()
173 	spin_lock_init(&domain->cache_lock);  in intel_nested_domain_alloc()
174 	xa_init(&domain->iommu_array);  in intel_nested_domain_alloc()
177 	list_add(&domain->s2_link, &s2_domain->s1_domains);  in intel_nested_domain_alloc()
180 	return &domain->domain;  in intel_nested_domain_alloc()