summaryrefslogtreecommitdiffstats
path: root/drivers/pci/iov.c
diff options
context:
space:
mode:
authorRussell King <rmk+kernel@arm.linux.org.uk>2010-03-08 20:21:04 +0000
committerRussell King <rmk+kernel@arm.linux.org.uk>2010-03-08 20:21:04 +0000
commit988addf82e4c03739375279de73929580a2d4a6a (patch)
tree989ae1cd4e264bbad80c65f04480486246e7b9f3 /drivers/pci/iov.c
parent004c1c7096659d352b83047a7593e91d8a30e3c5 (diff)
parent25cf84cf377c0aae5dbcf937ea89bc7893db5176 (diff)
Merge branch 'origin' into devel-stable
Conflicts: arch/arm/mach-mx2/devices.c arch/arm/mach-mx2/devices.h sound/soc/pxa/pxa-ssp.c
Diffstat (limited to 'drivers/pci/iov.c')
-rw-r--r--drivers/pci/iov.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/pci/iov.c b/drivers/pci/iov.c
index b2a448e19fe..3e5ab2bf6a5 100644
--- a/drivers/pci/iov.c
+++ b/drivers/pci/iov.c
@@ -706,6 +706,21 @@ irqreturn_t pci_sriov_migration(struct pci_dev *dev)
}
EXPORT_SYMBOL_GPL(pci_sriov_migration);
+/**
+ * pci_num_vf - return number of VFs associated with a PF device_release_driver
+ * @dev: the PCI device
+ *
+ * Returns number of VFs, or 0 if SR-IOV is not enabled.
+ */
+int pci_num_vf(struct pci_dev *dev)
+{
+ if (!dev || !dev->is_physfn)
+ return 0;
+ else
+ return dev->sriov->nr_virtfn;
+}
+EXPORT_SYMBOL_GPL(pci_num_vf);
+
static int ats_alloc_one(struct pci_dev *dev, int ps)
{
int pos;