Upgrade to 4.4.50-rt62

[kvmfornfv.git] / kernel / include / linux / pci.h

diff --git a/kernel/include/linux/pci.h b/kernel/include/linux/pci.h
index 6ae25aa..5f37614 100644 (file)
--- a/kernel/include/linux/pci.h
+++ b/kernel/include/linux/pci.h
@@ -359,6 +359,7 @@ struct pci_dev {
        unsigned int    io_window_1k:1; /* Intel P2P bridge 1K I/O windows */
        unsigned int    irq_managed:1;
        unsigned int    has_secondary_link:1;
+       unsigned int    non_compliant_bars:1;   /* broken BARs; ignore them */
        pci_dev_flags_t dev_flags;
        atomic_t        enable_cnt;     /* pci_enable_device has been called */
 
@@ -988,23 +989,6 @@ static inline int pci_is_managed(struct pci_dev *pdev)
        return pdev->is_managed;
 }
 
-static inline void pci_set_managed_irq(struct pci_dev *pdev, unsigned int irq)
-{
-       pdev->irq = irq;
-       pdev->irq_managed = 1;
-}
-
-static inline void pci_reset_managed_irq(struct pci_dev *pdev)
-{
-       pdev->irq = 0;
-       pdev->irq_managed = 0;
-}
-
-static inline bool pci_has_managed_irq(struct pci_dev *pdev)
-{
-       return pdev->irq_managed && pdev->irq > 0;
-}
-
 void pci_disable_device(struct pci_dev *dev);
 
 extern unsigned int pcibios_max_latency;
@@ -1818,6 +1802,20 @@ static inline int pci_pcie_type(const struct pci_dev *dev)
        return (pcie_caps_reg(dev) & PCI_EXP_FLAGS_TYPE) >> 4;
 }
 
+static inline struct pci_dev *pcie_find_root_port(struct pci_dev *dev)
+{
+       while (1) {
+               if (!pci_is_pcie(dev))
+                       break;
+               if (pci_pcie_type(dev) == PCI_EXP_TYPE_ROOT_PORT)
+                       return dev;
+               if (!dev->bus->self)
+                       break;
+               dev = dev->bus->self;
+       }
+       return NULL;
+}
+
 void pci_request_acs(void);
 bool pci_acs_enabled(struct pci_dev *pdev, u16 acs_flags);
 bool pci_acs_path_enabled(struct pci_dev *start,