diff options
| author | Dave Airlie <airlied@redhat.com> | 2009-09-08 14:49:32 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2009-09-08 14:49:32 +1000 |
| commit | cc84ef3fd20ef6dfe5fbc4778e7017d015b3bf7d (patch) | |
| tree | ce46a55f673cd2e669e9ccf625e6101a52138624 /drivers/pci/iov.c | |
| parent | c746e205f2fb6f74b4a622382607f065eca5eb49 (diff) | |
| parent | 3ff323f89075624b6891e7c428edb8e8a35be13c (diff) | |
Merge remote branch 'origin/master' of ../linux-2.6 into drm-next
This was a non-trivial merge with some patches sent to Linus
in drm-fixes.
Conflicts:
drivers/gpu/drm/radeon/r300.c
drivers/gpu/drm/radeon/radeon_asic.h
drivers/gpu/drm/radeon/rs600.c
drivers/gpu/drm/radeon/rs690.c
drivers/gpu/drm/radeon/rv515.c
Diffstat (limited to 'drivers/pci/iov.c')
| -rw-r--r-- | drivers/pci/iov.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/pci/iov.c b/drivers/pci/iov.c index e3a87210e94..e03fe98f061 100644 --- a/drivers/pci/iov.c +++ b/drivers/pci/iov.c @@ -598,6 +598,29 @@ int pci_iov_resource_bar(struct pci_dev *dev, int resno, } /** + * pci_sriov_resource_alignment - get resource alignment for VF BAR + * @dev: the PCI device + * @resno: the resource number + * + * Returns the alignment of the VF BAR found in the SR-IOV capability. + * This is not the same as the resource size which is defined as + * the VF BAR size multiplied by the number of VFs. The alignment + * is just the VF BAR size. + */ +int pci_sriov_resource_alignment(struct pci_dev *dev, int resno) +{ + struct resource tmp; + enum pci_bar_type type; + int reg = pci_iov_resource_bar(dev, resno, &type); + + if (!reg) + return 0; + + __pci_read_base(dev, type, &tmp, reg); + return resource_alignment(&tmp); +} + +/** * pci_restore_iov_state - restore the state of the IOV capability * @dev: the PCI device */ |