diff options
| author | Yu Zhao <yu.zhao@intel.com> | 2009-05-18 13:51:33 +0800 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2009-05-18 11:25:58 +0100 |
| commit | e277d2fc79d6abb86fafadb58dca0b9c498a9aa7 (patch) | |
| tree | 6f7a6c5bf2b300bec9fa76266eeb9089dc82e651 /drivers/pci/dmar.c | |
| parent | 302b4215daa0a704c843da40fd2529e5757a72da (diff) | |
PCI: handle Virtual Function ATS enabling
The SR-IOV spec requires that the Smallest Translation Unit and
the Invalidate Queue Depth fields in the Virtual Function ATS
capability are hardwired to 0. If a function is a Virtual Function,
then and set its Physical Function's STU before enabling the ATS.
Signed-off-by: Yu Zhao <yu.zhao@intel.com>
Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'drivers/pci/dmar.c')
0 files changed, 0 insertions, 0 deletions