diff mbox series

[v4,04/19] intel_iommu: Fill the PASID field when creating an IOMMUTLBEntry

Message ID 20250227105339.388598-5-clement.mathieu--drif@eviden.com (mailing list archive)
State New, archived
Headers show
Series intel_iommu: Add ATS support | expand

Commit Message

CLEMENT MATHIEU--DRIF Feb. 27, 2025, 10:54 a.m. UTC 
From: Clement Mathieu--Drif <clement.mathieu--drif@eviden.com>

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>
---
 hw/i386/intel_iommu.c | 3 +++
 1 file changed, 3 insertions(+)
diff mbox series

Patch

diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c
index 1b4aaffedc..a360119fbe 100644
--- a/hw/i386/intel_iommu.c
+++ b/hw/i386/intel_iommu.c
@@ -2511,6 +2511,7 @@  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);
@@ -3098,6 +3099,7 @@  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);
 }
 
@@ -3680,6 +3682,7 @@  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;