1 files changed, 33 insertions, 0 deletions

diff --git a/include/linux/pci.h b/include/linux/pci.h
index 9807da507e1f..b8667e0548e0 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -816,6 +816,39 @@ static inline int pci_write_config_dword(const struct pci_dev *dev, int where,
         return pci_bus_write_config_dword(dev->bus, dev->devfn, where, val);
 }
 
+int pcie_capability_read_word(struct pci_dev *dev, int pos, u16 *val);
+int pcie_capability_read_dword(struct pci_dev *dev, int pos, u32 *val);
+int pcie_capability_write_word(struct pci_dev *dev, int pos, u16 val);
+int pcie_capability_write_dword(struct pci_dev *dev, int pos, u32 val);
+int pcie_capability_clear_and_set_word(struct pci_dev *dev, int pos,
+                                       u16 clear, u16 set);
+int pcie_capability_clear_and_set_dword(struct pci_dev *dev, int pos,
+                                        u32 clear, u32 set);
+
+static inline int pcie_capability_set_word(struct pci_dev *dev, int pos,
+                                           u16 set)
+{
+        return pcie_capability_clear_and_set_word(dev, pos, 0, set);
+}
+
+static inline int pcie_capability_set_dword(struct pci_dev *dev, int pos,
+                                            u32 set)
+{
+        return pcie_capability_clear_and_set_dword(dev, pos, 0, set);
+}
+
+static inline int pcie_capability_clear_word(struct pci_dev *dev, int pos,
+                                             u16 clear)
+{
+        return pcie_capability_clear_and_set_word(dev, pos, clear, 0);
+}
+
+static inline int pcie_capability_clear_dword(struct pci_dev *dev, int pos,
+                                              u32 clear)
+{
+        return pcie_capability_clear_and_set_dword(dev, pos, clear, 0);
+}
+
 /* user-space driven config access */
 int pci_user_read_config_byte(struct pci_dev *dev, int where, u8 *val);
 int pci_user_read_config_word(struct pci_dev *dev, int where, u16 *val);