57ed038ad9
Add virtio-mmio node in qgraph framework. virtio-mmio produces virtio-bus, the interface consumed by all virtio-*-device nodes. Being a memory-mapped device, it doesn't have to provide a constructor to qgraph, since it's always "contained" inside some other nodes. Signed-off-by: Emanuele Giuseppe Esposito <e.emanuelegiuseppe@gmail.com> Reviewed-by: Laurent Vivier <lvivier@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
51 lines
1.6 KiB
C
51 lines
1.6 KiB
C
/*
|
|
* 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"
|
|
#include "libqos/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 */
|
|
} QVirtioMMIODevice;
|
|
|
|
extern const QVirtioBus qvirtio_mmio;
|
|
|
|
void qvirtio_mmio_init_device(QVirtioMMIODevice *dev, QTestState *qts,
|
|
uint64_t addr, uint32_t page_size);
|
|
|
|
#endif
|