diff options
Diffstat (limited to 'drivers/pci/pci.h')
| -rw-r--r-- | drivers/pci/pci.h | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h index 1d5c519e19b1..0024eb0f3e0e 100644 --- a/drivers/pci/pci.h +++ b/drivers/pci/pci.h @@ -323,6 +323,9 @@ void __pci_bus_assign_resources(const struct pci_bus *bus, struct list_head *realloc_head, struct list_head *fail_head); bool pci_bus_clip_resource(struct pci_dev *dev, int idx); +void pci_walk_bus_locked(struct pci_bus *top, + int (*cb)(struct pci_dev *, void *), + void *userdata); const char *pci_resource_name(struct pci_dev *dev, unsigned int i); @@ -493,10 +496,18 @@ static inline int pci_dev_set_disconnected(struct pci_dev *dev, void *unused) #define PCI_DEV_ADDED 0 #define PCI_DPC_RECOVERED 1 #define PCI_DPC_RECOVERING 2 +#define PCI_DEV_REMOVED 3 -static inline void pci_dev_assign_added(struct pci_dev *dev, bool added) +static inline void pci_dev_assign_added(struct pci_dev *dev) { - assign_bit(PCI_DEV_ADDED, &dev->priv_flags, added); + smp_mb__before_atomic(); + set_bit(PCI_DEV_ADDED, &dev->priv_flags); + smp_mb__after_atomic(); +} + +static inline bool pci_dev_test_and_clear_added(struct pci_dev *dev) +{ + return test_and_clear_bit(PCI_DEV_ADDED, &dev->priv_flags); } static inline bool pci_dev_is_added(const struct pci_dev *dev) @@ -504,6 +515,11 @@ static inline bool pci_dev_is_added(const struct pci_dev *dev) return test_bit(PCI_DEV_ADDED, &dev->priv_flags); } +static inline bool pci_dev_test_and_set_removed(struct pci_dev *dev) +{ + return test_and_set_bit(PCI_DEV_REMOVED, &dev->priv_flags); +} + #ifdef CONFIG_PCIEAER #include <linux/aer.h> |