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, 37 insertions, 0 deletions

diff --git a/include/hw/i2c/arm_sbcon_i2c.h b/include/hw/i2c/arm_sbcon_i2c.h
new file mode 100644
index 000000000..ad96781e7
--- /dev/null
+++ b/include/hw/i2c/arm_sbcon_i2c.h
@@ -0,0 +1,37 @@
+/*
+ * ARM SBCon two-wire serial bus interface (I2C bitbang)
+ *   a.k.a.
+ * ARM Versatile I2C controller
+ *
+ * Copyright (c) 2006-2007 CodeSourcery.
+ * Copyright (c) 2012 Oskar Andero <oskar.andero@gmail.com>
+ * Copyright (C) 2020 Philippe Mathieu-Daudé <f4bug@amsat.org>
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+#ifndef HW_I2C_ARM_SBCON_H
+#define HW_I2C_ARM_SBCON_H
+
+#include "hw/sysbus.h"
+#include "hw/i2c/bitbang_i2c.h"
+#include "qom/object.h"
+
+#define TYPE_VERSATILE_I2C "versatile_i2c"
+#define TYPE_ARM_SBCON_I2C TYPE_VERSATILE_I2C
+
+typedef struct ArmSbconI2CState ArmSbconI2CState;
+DECLARE_INSTANCE_CHECKER(ArmSbconI2CState, ARM_SBCON_I2C,
+                         TYPE_ARM_SBCON_I2C)
+
+struct ArmSbconI2CState {
+    /*< private >*/
+    SysBusDevice parent_obj;
+    /*< public >*/
+
+    MemoryRegion iomem;
+    bitbang_i2c_interface bitbang;
+    int out;
+    int in;
+};
+
+#endif /* HW_I2C_ARM_SBCON_H */