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| author | Lu Baolu <baolu.lu@linux.intel.com> | 2023-10-25 21:42:15 -0700 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@nvidia.com> | 2023-10-26 11:16:34 -0300 |
| commit | b41e38e225398191aaa0f1115d6234f57ffd0741 (patch) | |
| tree | b412993e8e2d760cd95da68852290182c7f49a8d /drivers/iommu/intel/iommu.h | |
| parent | 9838f2bb6b6be1e648b9377fc97ee7b18d9f2fbf (diff) | |
| download | linux-b41e38e225398191aaa0f1115d6234f57ffd0741.tar.gz linux-b41e38e225398191aaa0f1115d6234f57ffd0741.tar.bz2 linux-b41e38e225398191aaa0f1115d6234f57ffd0741.zip | |
iommu/vt-d: Add nested domain allocation
This adds the support for IOMMU_HWPT_DATA_VTD_S1 type. And 'nested_parent'
is added to mark the nested parent domain to sanitize the input parent domain.
Link: https://lore.kernel.org/r/20231026044216.64964-8-yi.l.liu@intel.com
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Yi Liu <yi.l.liu@intel.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/iommu/intel/iommu.h')
| -rw-r--r-- | drivers/iommu/intel/iommu.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/iommu/intel/iommu.h b/drivers/iommu/intel/iommu.h index 6a97711f947a..ba9be915eb84 100644 --- a/drivers/iommu/intel/iommu.h +++ b/drivers/iommu/intel/iommu.h @@ -601,6 +601,7 @@ struct dmar_domain { * level. */ u8 dirty_tracking:1; /* Dirty tracking is enabled */ + u8 nested_parent:1; /* Has other domains nested on it */ spinlock_t lock; /* Protect device tracking lists */ struct list_head devices; /* all devices' list */ |