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authorLiu Yi L <yi.l.liu@intel.com>2020-07-24 04:49:14 +0300
committerJoerg Roedel <jroedel@suse.de>2020-07-24 11:51:20 +0300
commit5f77d6ca5ca74e4b4a5e2e010f7ff50c45dea326 (patch)
treef2cf33a987b21033376ee3bb0e52d0a91cc5c281 /include/linux/intel-iommu.h
parent9ebcfadb0610322ac537dd7aa5d9cbc2b2894c68 (diff)
downloadlinux-5f77d6ca5ca74e4b4a5e2e010f7ff50c45dea326.tar.xz
iommu/vt-d: Enforce PASID devTLB field mask
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>
Diffstat (limited to 'include/linux/intel-iommu.h')
-rw-r--r--include/linux/intel-iommu.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h
index 3e8fa1c7a1e6..311117b50e93 100644
--- a/include/linux/intel-iommu.h
+++ b/include/linux/intel-iommu.h
@@ -381,8 +381,8 @@ 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) | \