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path: root/drivers/pci/pci.h
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Diffstat (limited to 'drivers/pci/pci.h')
-rw-r--r--drivers/pci/pci.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index b74084e9ca1..1009a5e88e5 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -136,6 +136,8 @@ static inline void pci_remove_legacy_files(struct pci_bus *bus) { return; }
/* Lock for read/write access to pci device and bus lists */
extern struct rw_semaphore pci_bus_sem;
+extern raw_spinlock_t pci_lock;
+
extern unsigned int pci_pm_d3_delay;
#ifdef CONFIG_PCI_MSI
@@ -249,6 +251,14 @@ struct pci_sriov {
u8 __iomem *mstate; /* VF Migration State Array */
};
+#ifdef CONFIG_PCI_ATS
+extern void pci_restore_ats_state(struct pci_dev *dev);
+#else
+static inline void pci_restore_ats_state(struct pci_dev *dev)
+{
+}
+#endif /* CONFIG_PCI_ATS */
+
#ifdef CONFIG_PCI_IOV
extern int pci_iov_init(struct pci_dev *dev);
extern void pci_iov_release(struct pci_dev *dev);