Merge tag 'pull-vfio-20241118' of https://github.com/legoater/qemu into staging

vfio queue:

* Fixed IGD support
* Fixed QEMU crash when passing through devices in SEV-SNP guests

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# gpg:                 aka "Cédric Le Goater <clg@kaod.org>" [full]
# Primary key fingerprint: A0F6 6548 F048 95EB FE6B  0B60 51A3 43C7 CFFB ECA1

* tag 'pull-vfio-20241118' of https://github.com/legoater/qemu:
  vfio/container: Fix container object destruction
  vfio/igd: fix calculation of graphics stolen memory
  vfio/igd: add pci id for Coffee Lake

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

hw/vfio/container-base.c

@@ -103,7 +103,7 @@ static void vfio_container_instance_finalize(Object *obj)
     VFIOContainerBase *bcontainer = VFIO_IOMMU(obj);
     VFIOGuestIOMMU *giommu, *tmp;
 
-    QLIST_REMOVE(bcontainer, next);
+    QLIST_SAFE_REMOVE(bcontainer, next);
 
     QLIST_FOREACH_SAFE(giommu, &bcontainer->giommu_list, giommu_next, tmp) {
         memory_region_unregister_iommu_notifier(

hw/vfio/igd.c

@@ -88,6 +88,9 @@ static int igd_gen(VFIOPCIDevice *vdev)
     case 0x2200:
     case 0x5900:
         return 8;
+    /* CoffeeLake */
+    case 0x3e00:
+        return 9;
     /* ElkhartLake */
     case 0x4500:
         return 11;
@@ -498,7 +501,7 @@ static int igd_get_stolen_mb(int gen, uint32_t gmch)
         if (gms < 0xf0)
             return gms * 32;
         else
-            return gms * 4 + 4;
+            return (gms - 0xf0) * 4 + 4;
     }
 }