From e02cda008591317b1625707ff8e115a4841aa889 Mon Sep 17 00:00:00 2001 From: Timos Ampelikiotis Date: Tue, 10 Oct 2023 11:40:56 +0000 Subject: 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 Change-Id: I52e57563e08a7d0bdc002f8e928ee61ba0c53dd9 --- include/hw/misc/armsse-mhu.h | 45 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 include/hw/misc/armsse-mhu.h (limited to 'include/hw/misc/armsse-mhu.h') diff --git a/include/hw/misc/armsse-mhu.h b/include/hw/misc/armsse-mhu.h new file mode 100644 index 000000000..41925ded8 --- /dev/null +++ b/include/hw/misc/armsse-mhu.h @@ -0,0 +1,45 @@ +/* + * ARM SSE-200 Message Handling Unit (MHU) + * + * Copyright (c) 2019 Linaro Limited + * Written by Peter Maydell + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 or + * (at your option) any later version. + */ + +/* + * This is a model of the Message Handling Unit (MHU) which is part of the + * Arm SSE-200 and documented in + * https://developer.arm.com/documentation/101104/latest/ + * + * QEMU interface: + * + sysbus MMIO region 0: the system information register bank + * + sysbus IRQ 0: interrupt for CPU 0 + * + sysbus IRQ 1: interrupt for CPU 1 + */ + +#ifndef HW_MISC_ARMSSE_MHU_H +#define HW_MISC_ARMSSE_MHU_H + +#include "hw/sysbus.h" +#include "qom/object.h" + +#define TYPE_ARMSSE_MHU "armsse-mhu" +OBJECT_DECLARE_SIMPLE_TYPE(ARMSSEMHU, ARMSSE_MHU) + +struct ARMSSEMHU { + /*< private >*/ + SysBusDevice parent_obj; + + /*< public >*/ + MemoryRegion iomem; + qemu_irq cpu0irq; + qemu_irq cpu1irq; + + uint32_t cpu0intr; + uint32_t cpu1intr; +}; + +#endif -- cgit 1.2.3-korg