PCI: Add support for PASID capability

[pandora-kernel.git] / include / linux / pci-ats.h

diff --git a/include/linux/pci-ats.h b/include/linux/pci-ats.h
index 0713952..e3d0b38 100644 (file)
--- a/include/linux/pci-ats.h
+++ b/include/linux/pci-ats.h
@@ -93,4 +93,35 @@ static inline int pci_pri_status(struct pci_dev *pdev)
 }
 #endif /* CONFIG_PCI_PRI */
 
+#ifdef CONFIG_PCI_PASID
+
+extern int pci_enable_pasid(struct pci_dev *pdev, int features);
+extern void pci_disable_pasid(struct pci_dev *pdev);
+extern int pci_pasid_features(struct pci_dev *pdev);
+extern int pci_max_pasids(struct pci_dev *pdev);
+
+#else  /* CONFIG_PCI_PASID */
+
+static inline int pci_enable_pasid(struct pci_dev *pdev, int features)
+{
+       return -EINVAL;
+}
+
+static inline void pci_disable_pasid(struct pci_dev *pdev)
+{
+}
+
+static inline int pci_pasid_features(struct pci_dev *pdev)
+{
+       return -EINVAL;
+}
+
+static inline int pci_max_pasids(struct pci_dev *pdev)
+{
+       return -EINVAL;
+}
+
+#endif /* CONFIG_PCI_PASID */
+
+
 #endif /* LINUX_PCI_ATS_H*/