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 <phil@xxxxxx>
---
include/linux/device.h | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/include/linux/device.h b/include/linux/device.h
index 491b4c0ca6333..6d73b70a4a5d7 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;
--
2.11.0
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