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, 45 insertions, 0 deletions

diff --git a/include/hw/usb/xlnx-versal-usb2-ctrl-regs.h b/include/hw/usb/xlnx-versal-usb2-ctrl-regs.h
new file mode 100644
index 000000000..b76dce041
--- /dev/null
+++ b/include/hw/usb/xlnx-versal-usb2-ctrl-regs.h
@@ -0,0 +1,45 @@
+/*
+ * QEMU model of the VersalUsb2CtrlRegs Register control/Status block for
+ * USB2.0 controller
+ *
+ * Copyright (c) 2020 Xilinx Inc. Vikram Garhwal <fnu.vikram@xilinx.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef XLNX_USB2_REGS_H
+#define XLNX_USB2_REGS_H
+
+#define TYPE_XILINX_VERSAL_USB2_CTRL_REGS "xlnx.versal-usb2-ctrl-regs"
+
+#define XILINX_VERSAL_USB2_CTRL_REGS(obj) \
+     OBJECT_CHECK(VersalUsb2CtrlRegs, (obj), TYPE_XILINX_VERSAL_USB2_CTRL_REGS)
+
+#define USB2_REGS_R_MAX ((0x78 / 4) + 1)
+
+typedef struct VersalUsb2CtrlRegs {
+    SysBusDevice parent_obj;
+    MemoryRegion iomem;
+    qemu_irq irq_ir;
+
+    uint32_t regs[USB2_REGS_R_MAX];
+    RegisterInfo regs_info[USB2_REGS_R_MAX];
+} VersalUsb2CtrlRegs;
+
+#endif