diff options
| author | Yinghai <yinghai.lu@oracle.com> | 2010-04-09 04:07:55 +0400 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2010-04-09 20:00:00 +0400 |
| commit | dda565492776b7dff5f8507298d868745e734aab (patch) | |
| tree | 0e93c6d3cad304b860fa8b8715a3dbd03832b2ae /include/linux/pci.h | |
| parent | 680a7524622356f5476e8fad2fe32b2b68b432c0 (diff) | |
| download | linux-dda565492776b7dff5f8507298d868745e734aab.tar.xz | |
intel-iommu: use physfn to search drhd for VF
When virtfn is used, we should use physfn to find correct drhd
-v2: add pci_physfn() Suggested by Roland Dreier <rdreier@cisco.com>
do can remove ifdef in dmar.c
-v3: Chris pointed out we need that for dma_find_matched_atsr_unit too
also change dmar_pci_device_match() static
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Acked-by: Roland Dreier <rdreier@cisco.com>
Acked-by: Chris Wright <chrisw@sous-sol.org>
Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'include/linux/pci.h')
| -rw-r--r-- | include/linux/pci.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/pci.h b/include/linux/pci.h index a788fa12ff31..a327322a33ab 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -334,6 +334,16 @@ struct pci_dev { #endif }; +static inline struct pci_dev *pci_physfn(struct pci_dev *dev) +{ +#ifdef CONFIG_PCI_IOV + if (dev->is_virtfn) + dev = dev->physfn; +#endif + + return dev; +} + extern struct pci_dev *alloc_pci_dev(void); #define pci_dev_b(n) list_entry(n, struct pci_dev, bus_list) |