Introduce Virtio-loopback epsilon release:

Epsilon release introduces a new compatibility layer which make virtio-loopback
design to work with QEMU and rust-vmm vhost-user backend without require any
changes.

Signed-off-by: Timos Ampelikiotis <t.ampelikiotis@virtualopensystems.com>
Change-Id: I52e57563e08a7d0bdc002f8e928ee61ba0c53dd9

1 files changed, 46 insertions, 0 deletions

diff --git a/stubs/xen-hw-stub.c b/stubs/xen-hw-stub.c
new file mode 100644
index 000000000..15f3921a7
--- /dev/null
+++ b/stubs/xen-hw-stub.c
@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2014       Citrix Systems UK Ltd.
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#include "qemu/osdep.h"
+#include "hw/xen/xen.h"
+#include "hw/xen/xen-x86.h"
+
+int xen_pci_slot_get_pirq(PCIDevice *pci_dev, int irq_num)
+{
+    return -1;
+}
+
+void xen_piix3_set_irq(void *opaque, int irq_num, int level)
+{
+}
+
+void xen_piix_pci_write_config_client(uint32_t address, uint32_t val, int len)
+{
+}
+
+void xen_hvm_inject_msi(uint64_t addr, uint32_t data)
+{
+}
+
+int xen_is_pirq_msi(uint32_t msi_data)
+{
+    return 0;
+}
+
+qemu_irq *xen_interrupt_controller_init(void)
+{
+    return NULL;
+}
+
+void xen_register_framebuffer(MemoryRegion *mr)
+{
+}
+
+void xen_hvm_init_pc(PCMachineState *pcms, MemoryRegion **ram_memory)
+{
+}