From 582a686f52d2e002da64093fe4b9aa5befcaf4e4 Mon Sep 17 00:00:00 2001 From: Phil Sutter Date: Wed, 18 Jan 2017 14:04:37 +0100 Subject: [PATCH] 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: Phil Sutter Signed-off-by: David S. Miller --- include/linux/device.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/include/linux/device.h b/include/linux/device.h index 491b4c0ca633..6d73b70a4a5d 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -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;