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| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2021-08-30 10:05:46 -0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2021-08-30 10:05:46 -0300 |
| commit | c635813fef0b2327ffecbfbd642f0009e186b3a5 (patch) | |
| tree | 10ce89c8b5c36b890123024849cfd3f53e0affc5 /drivers/iommu/intel/pasid.h | |
| parent | 37c3193fa4d7ddf93947264fa38d71120ff20c2a (diff) | |
| parent | 7d2a07b769330c34b4deabeed939325c77a7ec2f (diff) | |
Merge remote-tracking branch 'torvalds/master' into perf/core
To pick up fixes.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'drivers/iommu/intel/pasid.h')
| -rw-r--r-- | drivers/iommu/intel/pasid.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/iommu/intel/pasid.h b/drivers/iommu/intel/pasid.h index 5ff61c3d401f..c11bc8b833b8 100644 --- a/drivers/iommu/intel/pasid.h +++ b/drivers/iommu/intel/pasid.h @@ -99,6 +99,12 @@ static inline bool pasid_pte_is_present(struct pasid_entry *pte) return READ_ONCE(pte->val[0]) & PASID_PTE_PRESENT; } +/* Get PGTT field of a PASID table entry */ +static inline u16 pasid_pte_get_pgtt(struct pasid_entry *pte) +{ + return (u16)((READ_ONCE(pte->val[0]) >> 6) & 0x7); +} + extern unsigned int intel_pasid_max_id; int intel_pasid_alloc_table(struct device *dev); void intel_pasid_free_table(struct device *dev); |