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libqos: Add virtio MMIO support

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Add virtio MMIO support.
Add virtio-blk-test MMIO test case.

Signed-off-by: Marc Marí <marc.mari.barcelo@gmail.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 1424812915-25728-6-git-send-email-marc.mari.barcelo@gmail.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Marc Marí 2015-02-24 22:21:55 +01:00 • committed by Kevin Wolf
parent 870a306dec
commit 0a6ed70006
4 changed files with 323 additions and 8 deletions
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46
tests/libqos/virtio-mmio.h Normal file
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/*
* 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 "libqos/virtio.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 {
QVirtioDevice vdev;
uint64_t addr;
uint32_t page_size;
uint32_t features; /* As it cannot be read later, save it */
} QVirtioMMIODevice;
extern const QVirtioBus qvirtio_mmio;
QVirtioMMIODevice *qvirtio_mmio_init_device(uint64_t addr, uint32_t page_size);
#endif