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vring: remove

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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Paolo Bonzini 2016-02-14 18:17:11 +01:00 • committed by Michael S. Tsirkin
parent e24a47c5b7
commit fee089e4e2
6 changed files with 0 additions and 679 deletions
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75
include/hw/virtio/dataplane/vring-accessors.h
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@ -1,75 +0,0 @@
#ifndef VRING_ACCESSORS_H
#define VRING_ACCESSORS_H
#include "standard-headers/linux/virtio_ring.h"
#include "hw/virtio/virtio.h"
#include "hw/virtio/virtio-access.h"
static inline uint16_t vring_get_used_idx(VirtIODevice *vdev, Vring *vring)
{
return virtio_tswap16(vdev, vring->vr.used->idx);
}
static inline void vring_set_used_idx(VirtIODevice *vdev, Vring *vring,
uint16_t idx)
{
vring->vr.used->idx = virtio_tswap16(vdev, idx);
}
static inline uint16_t vring_get_avail_idx(VirtIODevice *vdev, Vring *vring)
{
return virtio_tswap16(vdev, vring->vr.avail->idx);
}
static inline uint16_t vring_get_avail_ring(VirtIODevice *vdev, Vring *vring,
int i)
{
return virtio_tswap16(vdev, vring->vr.avail->ring[i]);
}
static inline void vring_set_used_ring_id(VirtIODevice *vdev, Vring *vring,
int i, uint32_t id)
{
vring->vr.used->ring[i].id = virtio_tswap32(vdev, id);
}
static inline void vring_set_used_ring_len(VirtIODevice *vdev, Vring *vring,
int i, uint32_t len)
{
vring->vr.used->ring[i].len = virtio_tswap32(vdev, len);
}
static inline uint16_t vring_get_used_flags(VirtIODevice *vdev, Vring *vring)
{
return virtio_tswap16(vdev, vring->vr.used->flags);
}
static inline uint16_t vring_get_avail_flags(VirtIODevice *vdev, Vring *vring)
{
return virtio_tswap16(vdev, vring->vr.avail->flags);
}
static inline void vring_set_used_flags(VirtIODevice *vdev, Vring *vring,
uint16_t flags)
{
vring->vr.used->flags |= virtio_tswap16(vdev, flags);
}
static inline void vring_clear_used_flags(VirtIODevice *vdev, Vring *vring,
uint16_t flags)
{
vring->vr.used->flags &= virtio_tswap16(vdev, ~flags);
}
static inline unsigned int vring_get_num(Vring *vring)
{
return vring->vr.num;
}
/* Are there more descriptors available? */
static inline bool vring_more_avail(VirtIODevice *vdev, Vring *vring)
{
return vring_get_avail_idx(vdev, vring) != vring->last_avail_idx;
}
#endif

51
include/hw/virtio/dataplane/vring.h
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@ -1,51 +0,0 @@
/* Copyright 2012 Red Hat, Inc. and/or its affiliates
* Copyright IBM, Corp. 2012
*
* Based on Linux 2.6.39 vhost code:
* Copyright (C) 2009 Red Hat, Inc.
* Copyright (C) 2006 Rusty Russell IBM Corporation
*
* Author: Michael S. Tsirkin <mst@redhat.com>
* Stefan Hajnoczi <stefanha@redhat.com>
*
* Inspiration, some code, and most witty comments come from
* Documentation/virtual/lguest/lguest.c, by Rusty Russell
*
* This work is licensed under the terms of the GNU GPL, version 2.
*/
#ifndef VRING_H
#define VRING_H
#include "qemu-common.h"
#include "standard-headers/linux/virtio_ring.h"
#include "hw/virtio/virtio.h"
typedef struct {
MemoryRegion *mr_desc; /* memory region for the vring desc */
MemoryRegion *mr_avail; /* memory region for the vring avail */
MemoryRegion *mr_used; /* memory region for the vring used */
struct vring vr; /* virtqueue vring mapped to host memory */
uint16_t last_avail_idx; /* last processed avail ring index */
uint16_t last_used_idx; /* last processed used ring index */
uint16_t signalled_used; /* EVENT_IDX state */
bool signalled_used_valid;
bool broken; /* was there a fatal error? */
} Vring;
/* Fail future vring_pop() and vring_push() calls until reset */
static inline void vring_set_broken(Vring *vring)
{
vring->broken = true;
}
bool vring_setup(Vring *vring, VirtIODevice *vdev, int n);
void vring_teardown(Vring *vring, VirtIODevice *vdev, int n);
void vring_disable_notification(VirtIODevice *vdev, Vring *vring);
void vring_enable_notification(VirtIODevice *vdev, Vring *vring);
bool vring_should_notify(VirtIODevice *vdev, Vring *vring);
void *vring_pop(VirtIODevice *vdev, Vring *vring, size_t sz);
void vring_push(VirtIODevice *vdev, Vring *vring, VirtQueueElement *elem,
int len);
#endif /* VRING_H */