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Commit ce052984 authored by Ethan Zhao's avatar Ethan Zhao Committed by Bjorn Helgaas
Browse files

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: default avatarEthan Zhao <ethan.zhao@oracle.com>
Signed-off-by: default avatarBjorn Helgaas <bhelgaas@google.com>
parent 11e42532

include/linux/pci.h

+13 −0
Original line number Diff line number Diff line
@@ -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 */