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, 49 insertions, 0 deletions

diff --git a/include/hw/pci-host/i440fx.h b/include/hw/pci-host/i440fx.h
new file mode 100644
index 000000000..f068aaba8
--- /dev/null
+++ b/include/hw/pci-host/i440fx.h
@@ -0,0 +1,49 @@
+/*
+ * QEMU i440FX North Bridge Emulation
+ *
+ * Copyright (c) 2006 Fabrice Bellard
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ *
+ */
+
+#ifndef HW_PCI_I440FX_H
+#define HW_PCI_I440FX_H
+
+#include "hw/pci/pci_bus.h"
+#include "hw/pci-host/pam.h"
+#include "qom/object.h"
+
+#define TYPE_I440FX_PCI_HOST_BRIDGE "i440FX-pcihost"
+#define TYPE_I440FX_PCI_DEVICE "i440FX"
+
+OBJECT_DECLARE_SIMPLE_TYPE(PCII440FXState, I440FX_PCI_DEVICE)
+
+struct PCII440FXState {
+    /*< private >*/
+    PCIDevice parent_obj;
+    /*< public >*/
+
+    MemoryRegion *system_memory;
+    MemoryRegion *pci_address_space;
+    MemoryRegion *ram_memory;
+    PAMMemoryRegion pam_regions[PAM_REGIONS_COUNT];
+    MemoryRegion smram_region;
+    MemoryRegion smram, low_smram;
+};
+
+#define TYPE_IGD_PASSTHROUGH_I440FX_PCI_DEVICE "igd-passthrough-i440FX"
+
+PCIBus *i440fx_init(const char *host_type, const char *pci_type,
+                    PCII440FXState **pi440fx_state,
+                    MemoryRegion *address_space_mem,
+                    MemoryRegion *address_space_io,
+                    ram_addr_t ram_size,
+                    ram_addr_t below_4g_mem_size,
+                    ram_addr_t above_4g_mem_size,
+                    MemoryRegion *pci_memory,
+                    MemoryRegion *ram_memory);
+
+
+#endif