hw/pci-bridge/gen_pcie_rp: Remove GenPCIERootPort::migrate_msix field

The GenPCIERootPort::migrate_msix boolean was only set in
the hw_compat_2_9[] array, via the 'x-migrate-msix=false'
property. We removed all machines using that array, lets
remove that property and all the code around it.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20250501210456.89071-18-philmd@linaro.org>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20260225092024.794595-15-thuth@redhat.com>

hw/pci-bridge/gen_pcie_root_port.c

@@ -35,8 +35,6 @@ struct GenPCIERootPort {
     PCIESlot parent_obj;
     /*< public >*/
 
-    bool migrate_msix;
-
     /* additional resources to reserve */
     PCIResReserve res_reserve;
 };
@@ -66,13 +64,6 @@ static void gen_rp_interrupts_uninit(PCIDevice *d)
     msix_uninit_exclusive_bar(d);
 }
 
-static bool gen_rp_test_migrate_msix(void *opaque, int version_id)
-{
-    GenPCIERootPort *rp = opaque;
-
-    return rp->migrate_msix;
-}
-
 static void gen_rp_realize(DeviceState *dev, Error **errp)
 {
     PCIDevice *d = PCI_DEVICE(dev);
@@ -121,16 +112,13 @@ static const VMStateDescription vmstate_rp_dev = {
         VMSTATE_PCI_DEVICE(parent_obj.parent_obj.parent_obj, PCIESlot),
         VMSTATE_STRUCT(parent_obj.parent_obj.parent_obj.exp.aer_log,
                        PCIESlot, 0, vmstate_pcie_aer_log, PCIEAERLog),
-        VMSTATE_MSIX_TEST(parent_obj.parent_obj.parent_obj.parent_obj,
-                          GenPCIERootPort,
-                          gen_rp_test_migrate_msix),
+        VMSTATE_MSIX(parent_obj.parent_obj.parent_obj.parent_obj,
+                     GenPCIERootPort),
         VMSTATE_END_OF_LIST()
     }
 };
 
 static const Property gen_rp_props[] = {
-    DEFINE_PROP_BOOL("x-migrate-msix", GenPCIERootPort,
-                     migrate_msix, true),
     DEFINE_PROP_UINT32("bus-reserve", GenPCIERootPort,
                        res_reserve.bus, -1),
     DEFINE_PROP_SIZE("io-reserve", GenPCIERootPort,