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| author | Lu Baolu <baolu.lu@linux.intel.com> | 2024-04-24 15:16:40 +0800 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2024-04-26 11:57:46 +0200 |
| commit | 8ebc22366ed8bb2cbcf215bfa3fabb4f36d10a91 (patch) | |
| tree | ed876d75fc6f44eb2d07cd6b435b86ad925897b6 /drivers/iommu/intel/iommu.h | |
| parent | 06792d06798931696dd78f65024de4cc66f2fd5b (diff) | |
| download | linux-8ebc22366ed8bb2cbcf215bfa3fabb4f36d10a91.tar.gz linux-8ebc22366ed8bb2cbcf215bfa3fabb4f36d10a91.tar.bz2 linux-8ebc22366ed8bb2cbcf215bfa3fabb4f36d10a91.zip | |
iommu/vt-d: Use cache_tag_flush_range() in cache_invalidate_user
The cache_invalidate_user callback is called to invalidate a range
of caches for the affected user domain. Use cache_tag_flush_range()
in this callback.
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Link: https://lore.kernel.org/r/20240416080656.60968-9-baolu.lu@linux.intel.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu/intel/iommu.h')
| -rw-r--r-- | drivers/iommu/intel/iommu.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/iommu/intel/iommu.h b/drivers/iommu/intel/iommu.h index cb83b0995391..1d705a983dd7 100644 --- a/drivers/iommu/intel/iommu.h +++ b/drivers/iommu/intel/iommu.h @@ -1049,6 +1049,12 @@ static inline unsigned long aligned_nrpages(unsigned long host_addr, size_t size return PAGE_ALIGN(host_addr + size) >> VTD_PAGE_SHIFT; } +/* Return a size from number of VTD pages. */ +static inline unsigned long nrpages_to_size(unsigned long npages) +{ + return npages << VTD_PAGE_SHIFT; +} + /* Convert value to context PASID directory size field coding. */ #define context_pdts(pds) (((pds) & 0x7) << 9) |