struct dmar_domain;
struct root_entry;
-/* PCI domain-device relationship */
-struct device_domain_info {
- struct list_head link; /* link to domain siblings */
- struct list_head global; /* link to global list */
- u8 bus; /* PCI bus numer */
- u8 devfn; /* PCI devfn number */
- struct pci_dev *dev; /* it's NULL for PCIE-to-PCI bridge */
- struct dmar_domain *domain; /* pointer to domain */
-};
-
extern void free_dmar_iommu(struct intel_iommu *iommu);
-extern int dmar_disabled;
-
-#ifndef CONFIG_DMAR_GFX_WA
-static inline void iommu_prepare_gfx_mapping(void)
+#ifdef CONFIG_DMAR
+extern int iommu_calculate_agaw(struct intel_iommu *iommu);
+#else
+static inline int iommu_calculate_agaw(struct intel_iommu *iommu)
{
- return;
+ return 0;
}
-#endif /* !CONFIG_DMAR_GFX_WA */
+#endif
+
+extern int dmar_disabled;
#endif