diff options
| author | Liu Yi L <yi.l.liu@intel.com> | 2020-07-24 09:49:14 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-08-21 13:07:36 +0200 |
| commit | 31f383287c93399c798cd0e707c69ca4df7ea312 (patch) | |
| tree | 2be24a34c66db33bffe5d39b981ffc84af5bd633 /include/linux | |
| parent | 9e31192d17a5db124d56c0234ddbea105381a7d5 (diff) | |
iommu/vt-d: Enforce PASID devTLB field mask
[ Upstream commit 5f77d6ca5ca74e4b4a5e2e010f7ff50c45dea326 ]
Set proper masks to avoid invalid input spillover to reserved bits.
Signed-off-by: Liu Yi L <yi.l.liu@intel.com>
Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Link: https://lore.kernel.org/r/20200724014925.15523-2-baolu.lu@linux.intel.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/intel-iommu.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h index 64a5335046b0..bc1abbc04109 100644 --- a/include/linux/intel-iommu.h +++ b/include/linux/intel-iommu.h @@ -363,8 +363,8 @@ enum { #define QI_DEV_EIOTLB_ADDR(a) ((u64)(a) & VTD_PAGE_MASK) #define QI_DEV_EIOTLB_SIZE (((u64)1) << 11) -#define QI_DEV_EIOTLB_GLOB(g) ((u64)g) -#define QI_DEV_EIOTLB_PASID(p) (((u64)p) << 32) +#define QI_DEV_EIOTLB_GLOB(g) ((u64)(g) & 0x1) +#define QI_DEV_EIOTLB_PASID(p) ((u64)((p) & 0xfffff) << 32) #define QI_DEV_EIOTLB_SID(sid) ((u64)((sid) & 0xffff) << 16) #define QI_DEV_EIOTLB_QDEP(qd) ((u64)((qd) & 0x1f) << 4) #define QI_DEV_EIOTLB_PFSID(pfsid) (((u64)(pfsid & 0xf) << 12) | \ |