diff options
| author | Lu Baolu <baolu.lu@linux.intel.com> | 2023-10-25 21:42:11 -0700 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@nvidia.com> | 2023-10-26 11:16:33 -0300 |
| commit | 79ae1eccd3f7fb010064c0f6242da8f8944c21fd (patch) | |
| tree | 668d560c8633479c809207523b82720b019ed98a /drivers/iommu/intel/iommu.h | |
| parent | 04f261ac2356ee8962fbd67e38a35e86cbe3c5d8 (diff) | |
| download | linux-79ae1eccd3f7fb010064c0f6242da8f8944c21fd.tar.gz linux-79ae1eccd3f7fb010064c0f6242da8f8944c21fd.tar.bz2 linux-79ae1eccd3f7fb010064c0f6242da8f8944c21fd.zip | |
iommu/vt-d: Add helper for nested domain allocation
This adds helper for accepting user parameters and allocate a nested
domain.
Link: https://lore.kernel.org/r/20231026044216.64964-4-yi.l.liu@intel.com
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Yi Liu <yi.l.liu@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 | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/iommu/intel/iommu.h b/drivers/iommu/intel/iommu.h index 244f111ea0bb..f59a9374f62d 100644 --- a/drivers/iommu/intel/iommu.h +++ b/drivers/iommu/intel/iommu.h @@ -884,6 +884,8 @@ void *alloc_pgtable_page(int node, gfp_t gfp); void free_pgtable_page(void *vaddr); void iommu_flush_write_buffer(struct intel_iommu *iommu); struct intel_iommu *device_to_iommu(struct device *dev, u8 *bus, u8 *devfn); +struct iommu_domain *intel_nested_domain_alloc(struct iommu_domain *parent, + const struct iommu_user_data *user_data); #ifdef CONFIG_INTEL_IOMMU_SVM void intel_svm_check(struct intel_iommu *iommu); |