Merge tag 'xen-virtio-fix-1-tag' of https://gitlab.com/sstabellini/qemu into staging

xen-virtio-fix-1

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* tag 'xen-virtio-fix-1-tag' of https://gitlab.com/sstabellini/qemu

:
  Xen: Fix xen_set_irq() and xendevicemodel_set_irq_level()

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

hw/arm/xen_arm.c

@@ -75,7 +75,9 @@ static MemoryRegion ram_lo, ram_hi;
 
 static void xen_set_irq(void *opaque, int irq, int level)
 {
-    xendevicemodel_set_irq_level(xen_dmod, xen_domid, irq, level);
+    if (xendevicemodel_set_irq_level(xen_dmod, xen_domid, irq, level)) {
+        error_report("xendevicemodel_set_irq_level failed");
+    }
 }
 
 static void xen_create_virtio_mmio_devices(XenArmState *xam)

include/hw/xen/xen_native.h

@@ -523,12 +523,12 @@ static inline int xen_set_ioreq_server_state(domid_t dom,
                                                  enable);
 }
 
-#if CONFIG_XEN_CTRL_INTERFACE_VERSION <= 41500
+#if CONFIG_XEN_CTRL_INTERFACE_VERSION < 41500
 static inline int xendevicemodel_set_irq_level(xendevicemodel_handle *dmod,
                                                domid_t domid, uint32_t irq,
                                                unsigned int level)
 {
-    return 0;
+    return -1;
 }
 #endif