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 --- tests/qtest/libqos/virtio-mmio.h | 51 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 tests/qtest/libqos/virtio-mmio.h (limited to 'tests/qtest/libqos/virtio-mmio.h') diff --git a/tests/qtest/libqos/virtio-mmio.h b/tests/qtest/libqos/virtio-mmio.h new file mode 100644 index 000000000..30803bc91 --- /dev/null +++ b/tests/qtest/libqos/virtio-mmio.h @@ -0,0 +1,51 @@ +/* + * libqos virtio MMIO definitions + * + * Copyright (c) 2014 Marc Marí + * + * 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 LIBQOS_VIRTIO_MMIO_H +#define LIBQOS_VIRTIO_MMIO_H + +#include "virtio.h" +#include "qgraph.h" + +#define QVIRTIO_MMIO_MAGIC_VALUE 0x000 +#define QVIRTIO_MMIO_VERSION 0x004 +#define QVIRTIO_MMIO_DEVICE_ID 0x008 +#define QVIRTIO_MMIO_VENDOR_ID 0x00C +#define QVIRTIO_MMIO_HOST_FEATURES 0x010 +#define QVIRTIO_MMIO_HOST_FEATURES_SEL 0x014 +#define QVIRTIO_MMIO_GUEST_FEATURES 0x020 +#define QVIRTIO_MMIO_GUEST_FEATURES_SEL 0x024 +#define QVIRTIO_MMIO_GUEST_PAGE_SIZE 0x028 +#define QVIRTIO_MMIO_QUEUE_SEL 0x030 +#define QVIRTIO_MMIO_QUEUE_NUM_MAX 0x034 +#define QVIRTIO_MMIO_QUEUE_NUM 0x038 +#define QVIRTIO_MMIO_QUEUE_ALIGN 0x03C +#define QVIRTIO_MMIO_QUEUE_PFN 0x040 +#define QVIRTIO_MMIO_QUEUE_NOTIFY 0x050 +#define QVIRTIO_MMIO_INTERRUPT_STATUS 0x060 +#define QVIRTIO_MMIO_INTERRUPT_ACK 0x064 +#define QVIRTIO_MMIO_DEVICE_STATUS 0x070 +#define QVIRTIO_MMIO_DEVICE_SPECIFIC 0x100 + +typedef struct QVirtioMMIODevice { + QOSGraphObject obj; + QVirtioDevice vdev; + QTestState *qts; + uint64_t addr; + uint32_t page_size; + uint32_t features; /* As it cannot be read later, save it */ + uint32_t version; +} QVirtioMMIODevice; + +extern const QVirtioBus qvirtio_mmio; + +void qvirtio_mmio_init_device(QVirtioMMIODevice *dev, QTestState *qts, + uint64_t addr, uint32_t page_size); + +#endif -- cgit