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Commit 582a686f authored by Phil Sutter's avatar Phil Sutter Committed by David S. Miller
Browse files

device: bus_type: Introduce num_vf callback 



This allows for bus types to implement their own method of retrieving
the number of virtual functions a NIC on that type of bus supports.

Signed-off-by: default avatarPhil Sutter <phil@nwl.cc>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 6c59ebd3

include/linux/device.h

+4 −0
Original line number Diff line number Diff line
@@ -88,6 +88,8 @@ extern void bus_remove_file(struct bus_type *, struct bus_attribute *); 
 *

 * @suspend:	Called when a device on this bus wants to go to sleep mode.

 * @resume:	Called to bring a device on this bus out of sleep mode.

 * @num_vf:	Called to find out how many virtual functions a device on this

 *		bus supports.

 * @pm:		Power management operations of this bus, callback the specific

 *		device driver's pm-ops.

 * @iommu_ops:  IOMMU specific operations for this bus, used to attach IOMMU
@@ -127,6 +129,8 @@ struct bus_type { 
	int (*suspend)(struct device *dev, pm_message_t state);

	int (*resume)(struct device *dev);



	int (*num_vf)(struct device *dev);



	const struct dev_pm_ops *pm;



	const struct iommu_ops *iommu_ops;