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| author | Ethan Zhao <ethan.zhao@oracle.com> | 2014-09-09 10:21:25 +0800 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2014-09-16 16:12:27 -0600 |
| commit | ce0529843a505d09f5809a7db6288d2f038f64c4 (patch) | |
| tree | e10b791b38c50caf3932a6eed6cdd5efa6a026c7 | |
| parent | 11e42532ada3174840196e8f23df29cb91c44b50 (diff) | |
| download | linux-ce0529843a505d09f5809a7db6288d2f038f64c4.tar.gz | |
PCI: Add device flag helper functions
Add helper functions to hide direct device flag operations:
void pci_set_dev_assigned(struct pci_dev *dev);
void pci_clear_dev_assigned(struct pci_dev *dev);
bool pci_is_dev_assigned(struct pci_dev *dev);
Signed-off-by: Ethan Zhao <ethan.zhao@oracle.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
| -rw-r--r-- | include/linux/pci.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/linux/pci.h b/include/linux/pci.h index 61978a460841..92c131efec1c 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -1839,4 +1839,17 @@ int pci_for_each_dma_alias(struct pci_dev *pdev, */ struct pci_dev *pci_find_upstream_pcie_bridge(struct pci_dev *pdev); +/* helper functions for operation of device flag */ +static inline void pci_set_dev_assigned(struct pci_dev *pdev) +{ + pdev->dev_flags |= PCI_DEV_FLAGS_ASSIGNED; +} +static inline void pci_clear_dev_assigned(struct pci_dev *pdev) +{ + pdev->dev_flags &= ~PCI_DEV_FLAGS_ASSIGNED; +} +static inline bool pci_is_dev_assigned(struct pci_dev *pdev) +{ + return (pdev->dev_flags & PCI_DEV_FLAGS_ASSIGNED) == PCI_DEV_FLAGS_ASSIGNED; +} #endif /* LINUX_PCI_H */ |