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From: Jacob Pan <jacob.jun.pan@linux.intel.com>
To: iommu@lists.linux-foundation.org,
	LKML <linux-kernel@vger.kernel.org>,
	Joerg Roedel <joro@8bytes.org>,
	David Woodhouse <dwmw2@infradead.org>,
	"Lu Baolu" <baolu.lu@linux.intel.com>
Cc: Raj Ashok <ashok.raj@intel.com>,
	Jacob Pan <jacob.jun.pan@linux.intel.com>,
	Eric Auger <eric.auger@redhat.com>
Subject: [PATCH] iommu/vt-d: Fix PASID cache flush
Date: Mon, 30 Mar 2020 16:25:25 -0700	[thread overview]
Message-ID: <1585610725-78316-1-git-send-email-jacob.jun.pan@linux.intel.com> (raw)

PASID cache type and shift of granularity bits are missing in
the current code.

Fixes: 6f7db75e1c46 ("iommu/vt-d: Add second level page table
interface")

Cc: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
---
 drivers/iommu/intel-pasid.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/iommu/intel-pasid.c b/drivers/iommu/intel-pasid.c
index 22b30f10b396..57d05b0fbafc 100644
--- a/drivers/iommu/intel-pasid.c
+++ b/drivers/iommu/intel-pasid.c
@@ -365,7 +365,8 @@ pasid_cache_invalidation_with_pasid(struct intel_iommu *iommu,
 {
 	struct qi_desc desc;
 
-	desc.qw0 = QI_PC_DID(did) | QI_PC_PASID_SEL | QI_PC_PASID(pasid);
+	desc.qw0 = QI_PC_DID(did) | QI_PC_GRAN(QI_PC_PASID_SEL) |
+		   QI_PC_PASID(pasid) | QI_PC_TYPE;
 	desc.qw1 = 0;
 	desc.qw2 = 0;
 	desc.qw3 = 0;
-- 
2.7.4


WARNING: multiple messages have this Message-ID (diff)
From: Jacob Pan <jacob.jun.pan@linux.intel.com>
To: iommu@lists.linux-foundation.org,
	LKML <linux-kernel@vger.kernel.org>,
	Joerg Roedel <joro@8bytes.org>,
	David Woodhouse <dwmw2@infradead.org>,
	"Lu Baolu" <baolu.lu@linux.intel.com>
Cc: Raj Ashok <ashok.raj@intel.com>
Subject: [PATCH] iommu/vt-d: Fix PASID cache flush
Date: Mon, 30 Mar 2020 16:25:25 -0700	[thread overview]
Message-ID: <1585610725-78316-1-git-send-email-jacob.jun.pan@linux.intel.com> (raw)

PASID cache type and shift of granularity bits are missing in
the current code.

Fixes: 6f7db75e1c46 ("iommu/vt-d: Add second level page table
interface")

Cc: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
---
 drivers/iommu/intel-pasid.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/iommu/intel-pasid.c b/drivers/iommu/intel-pasid.c
index 22b30f10b396..57d05b0fbafc 100644
--- a/drivers/iommu/intel-pasid.c
+++ b/drivers/iommu/intel-pasid.c
@@ -365,7 +365,8 @@ pasid_cache_invalidation_with_pasid(struct intel_iommu *iommu,
 {
 	struct qi_desc desc;
 
-	desc.qw0 = QI_PC_DID(did) | QI_PC_PASID_SEL | QI_PC_PASID(pasid);
+	desc.qw0 = QI_PC_DID(did) | QI_PC_GRAN(QI_PC_PASID_SEL) |
+		   QI_PC_PASID(pasid) | QI_PC_TYPE;
 	desc.qw1 = 0;
 	desc.qw2 = 0;
 	desc.qw3 = 0;
-- 
2.7.4

_______________________________________________
iommu mailing list
iommu@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/iommu

             reply	other threads:[~2020-03-30 23:19 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-30 23:25 Jacob Pan [this message]
2020-03-30 23:25 ` [PATCH] iommu/vt-d: Fix PASID cache flush Jacob Pan
2020-03-31  9:28 ` Auger Eric
2020-03-31  9:28   ` Auger Eric
2020-03-31 16:08   ` Jacob Pan
2020-03-31 16:08     ` Jacob Pan
2020-03-31 16:19     ` Auger Eric
2020-03-31 16:19       ` Auger Eric

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