intel_iommu: Fill the PASID field when creating an IOMMUTLBEntry

PASID value must be used by devices as a key (or part of a key)
when populating their ATC with the IOTLB entries returned by the IOMMU.

Signed-off-by: Clement Mathieu--Drif <clement.mathieu--drif@eviden.com>
Message-Id: <20250628180226.133285-5-clement.mathieu--drif@eviden.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c
index 69d72ad35cc4c5ea590c249f2949f87cfa4c21e1..0fb4350d48ff4e760ce5077bb8950b68a789994e 100644 (file)
--- a/hw/i386/intel_iommu.c
+++ b/hw/i386/intel_iommu.c
@@ -2503,6 +2503,7 @@ static void vtd_iotlb_page_invalidate_notify(IntelIOMMUState *s,
                         .translated_addr = 0,
                         .addr_mask = size - 1,
                         .perm = IOMMU_NONE,
+                        .pasid = vtd_as->pasid,
                     },
                 };
                 memory_region_notify_iommu(&vtd_as->iommu, 0, event);
@@ -3090,6 +3091,7 @@ static void do_invalidate_device_tlb(VTDAddressSpace *vtd_dev_as,
     event.entry.iova = addr;
     event.entry.perm = IOMMU_NONE;
     event.entry.translated_addr = 0;
+    event.entry.pasid = vtd_dev_as->pasid;
     memory_region_notify_iommu(&vtd_dev_as->iommu, 0, event);
 }
 
@@ -3672,6 +3674,7 @@ static IOMMUTLBEntry vtd_iommu_translate(IOMMUMemoryRegion *iommu, hwaddr addr,
     IOMMUTLBEntry iotlb = {
         /* We'll fill in the rest later. */
         .target_as = &address_space_memory,
+        .pasid = vtd_as->pasid,
     };
     bool success;