diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/msi.h | 2 | ||||
| -rw-r--r-- | include/linux/pci.h | 9 |
2 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/msi.h b/include/linux/msi.h index b17ead818aec..87cce50bd121 100644 --- a/include/linux/msi.h +++ b/include/linux/msi.h @@ -64,6 +64,8 @@ void arch_restore_msi_irqs(struct pci_dev *dev, int irq); void default_teardown_msi_irqs(struct pci_dev *dev); void default_restore_msi_irqs(struct pci_dev *dev, int irq); +u32 default_msi_mask_irq(struct msi_desc *desc, u32 mask, u32 flag); +u32 default_msix_mask_irq(struct msi_desc *desc, u32 flag); struct msi_chip { struct module *owner; diff --git a/include/linux/pci.h b/include/linux/pci.h index d3a888ae4b2e..835ec7bf6c05 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -480,6 +480,15 @@ static inline bool pci_is_root_bus(struct pci_bus *pbus) return !(pbus->parent); } +static inline struct pci_dev *pci_upstream_bridge(struct pci_dev *dev) +{ + dev = pci_physfn(dev); + if (pci_is_root_bus(dev->bus)) + return NULL; + + return dev->bus->self; +} + #ifdef CONFIG_PCI_MSI static inline bool pci_dev_msi_enabled(struct pci_dev *pci_dev) { |