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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>
This commit is contained in:
Ethan Zhao 2014-09-09 10:21:25 +08:00 committed by Bjorn Helgaas
parent 11e42532ad
commit ce0529843a
1 changed files with 13 additions and 0 deletions
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13
include/linux/pci.h
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@ -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 */