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| author | David Woodhouse <David.Woodhouse@intel.com> | 2010-04-09 16:17:41 +0200 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2010-04-09 16:21:12 +0200 |
| commit | 87d8a69709d971913e6cc7210450fcb8be963667 (patch) | |
| tree | 4f8eb95c588f7df84554dcf97d67540664333a7b /drivers/pci/iov.c | |
| parent | intel-iommu: Fix section mismatch dmar_ir_support() uses dmar_tbl. (diff) | |
| parent | Linux 2.6.34-rc3 (diff) | |
| download | linux-87d8a69709d971913e6cc7210450fcb8be963667.tar.xz linux-87d8a69709d971913e6cc7210450fcb8be963667.zip | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'drivers/pci/iov.c')
| -rw-r--r-- | drivers/pci/iov.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/pci/iov.c b/drivers/pci/iov.c index b2a448e19fe6..3e5ab2bf6a5c 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; |