diff options
| author | Yi Liu <yi.l.liu@intel.com> | 2024-02-19 12:16:00 +0100 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2024-02-21 10:28:48 +0100 |
| commit | 1f0198fce68340e0da2d438f4ea9fc20d2c958da (patch) | |
| tree | cff72c308f5a39abe2390b75c1297d16881c95a1 /drivers/iommu | |
| parent | iommu/vt-d: Add missing dirty tracking set for parent domain (diff) | |
| download | linux-1f0198fce68340e0da2d438f4ea9fc20d2c958da.tar.xz linux-1f0198fce68340e0da2d438f4ea9fc20d2c958da.zip | |
iommu/vt-d: Set SSADE when attaching to a parent with dirty tracking
Should set the SSADE (Second Stage Access/Dirty bit Enable) bit of the
pasid entry when attaching a device to a nested domain if its parent
has already enabled dirty tracking.
Fixes: 111bf85c68f6 ("iommu/vt-d: Add helper to setup pasid nested translation")
Signed-off-by: Yi Liu <yi.l.liu@intel.com>
Reviewed-by: Joao Martins <joao.m.martins@oracle.com>
Link: https://lore.kernel.org/r/20240208091414.28133-1-yi.l.liu@intel.com
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu')
| -rw-r--r-- | drivers/iommu/intel/pasid.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/iommu/intel/pasid.c b/drivers/iommu/intel/pasid.c index a32d7e509842..108158e2b907 100644 --- a/drivers/iommu/intel/pasid.c +++ b/drivers/iommu/intel/pasid.c @@ -657,6 +657,8 @@ int intel_pasid_setup_nested(struct intel_iommu *iommu, struct device *dev, pasid_set_domain_id(pte, did); pasid_set_address_width(pte, s2_domain->agaw); pasid_set_page_snoop(pte, !!ecap_smpwc(iommu->ecap)); + if (s2_domain->dirty_tracking) + pasid_set_ssade(pte); pasid_set_translation_type(pte, PASID_ENTRY_PGTT_NESTED); pasid_set_present(pte); spin_unlock(&iommu->lock); |