From: Jacob Pan <jacob.jun.pan@linux.intel.com>
To: iommu@lists.linux-foundation.org,
LKML <linux-kernel@vger.kernel.org>,
"Lu Baolu" <baolu.lu@linux.intel.com>,
Joerg Roedel <joro@8bytes.org>,
David Woodhouse <dwmw2@infradead.org>
Cc: "Tian, Kevin" <kevin.tian@intel.com>, Raj Ashok <ashok.raj@intel.com>
Subject: [PATCH v2 1/7] iommu/vt-d: Enforce PASID devTLB field mask
Date: Tue, 30 Jun 2020 14:07:32 -0700 [thread overview]
Message-ID: <1593551258-39854-2-git-send-email-jacob.jun.pan@linux.intel.com> (raw)
In-Reply-To: <1593551258-39854-1-git-send-email-jacob.jun.pan@linux.intel.com>
From: Liu Yi L <yi.l.liu@intel.com>
Set proper masks to avoid invalid input spillover to reserved bits.
Acked-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Liu Yi L <yi.l.liu@intel.com>
Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
---
include/linux/intel-iommu.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h
index 4100bd224f5c..729386ca8122 100644
--- a/include/linux/intel-iommu.h
+++ b/include/linux/intel-iommu.h
@@ -380,8 +380,8 @@ 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) | \
--
2.7.4
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next prev parent reply other threads:[~2020-06-30 21:01 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-30 21:07 [PATCH v2 0/7] iommu/vt-d: Misc tweaks and fixes for vSVA Jacob Pan
2020-06-30 21:07 ` Jacob Pan [this message]
2020-06-30 21:07 ` [PATCH v2 2/7] iommu/vt-d: Remove global page support in devTLB flush Jacob Pan
2020-06-30 21:07 ` [PATCH v2 3/7] iommu/vt-d: Fix PASID devTLB invalidation Jacob Pan
2020-07-01 0:49 ` Lu Baolu
2020-07-01 14:20 ` Jacob Pan
2020-06-30 21:07 ` [PATCH v2 4/7] iommu/vt-d: Handle non-page aligned address Jacob Pan
2020-07-01 1:08 ` Lu Baolu
2020-06-30 21:07 ` [PATCH v2 5/7] iommu/vt-d: Fix devTLB flush for vSVA Jacob Pan
2020-07-01 1:11 ` Lu Baolu
2020-06-30 21:07 ` [PATCH v2 6/7] iommu/vt-d: Warn on out-of-range invalidation address Jacob Pan
2020-06-30 21:07 ` [PATCH v2 7/7] iommu/vt-d: Disable multiple GPASID-dev bind Jacob Pan
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