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PCI: support device-specific reset methods

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Add a new type of quirk for resetting devices at pci_dev_reset time.
This is necessary to handle device with nonstandard reset procedures,
especially useful for guest drivers.

Signed-off-by: Yu Zhao <yu.zhao@intel.com>
Signed-off-by: Dexuan Cui <dexuan.cui@intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
This commit is contained in:
Dexuan Cui
2009-12-07 13:03:21 +08:00
committed by Jesse Barnes
parent 2820f333e3
commit b9c3b26641
3 changed files with 36 additions and 0 deletions
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8
drivers/pci/pci.h
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@@ -313,4 +313,12 @@ static inline int pci_resource_alignment(struct pci_dev *dev,
extern void pci_enable_acs(struct pci_dev *dev);
struct pci_dev_reset_methods {
u16 vendor;
u16 device;
int (*reset)(struct pci_dev *dev, int probe);
};
extern struct pci_dev_reset_methods pci_dev_reset_methods[];
#endif /* DRIVERS_PCI_H */