iommu/vt-d: Fix QI_DEV_IOTLB_PFSID and QI_DEV_EIOTLB_PFSID macros

BugLink: https://bugs.launchpad.net/bugs/1853915
commit 4e7120d79edb31e4ee68e6f8421448e4603be1e9 upstream.

For both PASID-based-Device-TLB Invalidate Descriptor and
Device-TLB Invalidate Descriptor, the Physical Function Source-ID
value is split according to this layout:

PFSID[3:0] is set at offset 12 and PFSID[15:4] is put at offset 52.
Fix the part laid out at offset 52.

Fixes: 0f725561e1684 ("iommu/vt-d: Add definitions for PFSID")
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Acked-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
Cc: stable@vger.kernel.org # v4.19+
Acked-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
Signed-off-by: Khalid Elmously <khalid.elmously@canonical.com>

diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h
index b6b9f2acd072c11f55038bdf082a1e8ab38b2ce1..0927ba88b1236d296c4259be0ecd47fa036f2390 100644 (file)
--- a/include/linux/intel-iommu.h
+++ b/include/linux/intel-iommu.h
@@ -283,7 +283,8 @@ enum {
 #define QI_DEV_IOTLB_SID(sid)  ((u64)((sid) & 0xffff) << 32)
 #define QI_DEV_IOTLB_QDEP(qdep)        (((qdep) & 0x1f) << 16)
 #define QI_DEV_IOTLB_ADDR(addr)        ((u64)(addr) & VTD_PAGE_MASK)
-#define QI_DEV_IOTLB_PFSID(pfsid) (((u64)(pfsid & 0xf) << 12) | ((u64)(pfsid & 0xfff) << 52))
+#define QI_DEV_IOTLB_PFSID(pfsid) (((u64)(pfsid & 0xf) << 12) | \
+                                  ((u64)((pfsid >> 4) & 0xfff) << 52))
 #define QI_DEV_IOTLB_SIZE      1
 #define QI_DEV_IOTLB_MAX_INVS  32
 
@@ -308,7 +309,8 @@ enum {
 #define QI_DEV_EIOTLB_PASID(p) (((u64)p) << 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) | ((u64)(pfsid & 0xfff) << 52))
+#define QI_DEV_EIOTLB_PFSID(pfsid) (((u64)(pfsid & 0xf) << 12) | \
+                                   ((u64)((pfsid >> 4) & 0xfff) << 52))
 #define QI_DEV_EIOTLB_MAX_INVS 32
 
 #define QI_PGRP_IDX(idx)       (((u64)(idx)) << 55)