1 files changed, 7 insertions, 0 deletions

diff --git a/include/linux/pci.h b/include/linux/pci.h
index 7349058ed778..3596ac94ecff 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -132,6 +132,7 @@ struct pci_dev {
         unsigned int    is_enabled:1;   /* pci_enable_device has been called */
         unsigned int    is_busmaster:1; /* device is busmaster */
         unsigned int    no_msi:1;       /* device may not use msi */
+        unsigned int    block_ucfg_access:1;    /* userspace config space access is blocked */
 
         u32             saved_config_space[16]; /* config space saved at suspend time */
         struct bin_attribute *rom_attr; /* attribute descriptor for sysfs ROM entry */
@@ -490,6 +491,9 @@ extern void pci_disable_msix(struct pci_dev *dev);
 extern void msi_remove_pci_irq_vectors(struct pci_dev *dev);
 #endif
 
+extern void pci_block_user_cfg_access(struct pci_dev *dev);
+extern void pci_unblock_user_cfg_access(struct pci_dev *dev);
+
 /*
  * PCI domain support.  Sometimes called PCI segment (eg by ACPI),
  * a PCI domain is defined to be a set of PCI busses which share
@@ -560,6 +564,9 @@ static inline int pci_enable_wake(struct pci_dev *dev, pci_power_t state, int en
 
 #define pci_dma_burst_advice(pdev, strat, strategy_parameter) do { } while (0)
 
+static inline void pci_block_user_cfg_access(struct pci_dev *dev) { }
+static inline void pci_unblock_user_cfg_access(struct pci_dev *dev) { }
+
 #endif /* CONFIG_PCI */
 
 /* Include architecture-dependent settings and functions */