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vhost-net: move stubs to a separate file

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There is no reason for CONFIG_VHOST_NET to be specific to a single target;
it is a host feature that can be add to all targets, as long as they support
the virtio-net device.  Currently CONFIG_VHOST_NET depends on CONFIG_KVM,
but ioeventfd support is present in the core memory API and works with
other accelerators as well.

As a first step, move the vhost-net stubs to a separate file.  Later, they
will become conditional on CONFIG_VIRTIO_NET, which is not available in .c
files.

Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <1543851204-41186-2-git-send-email-pbonzini@redhat.com>
Message-Id: <1550165756-21617-2-git-send-email-pbonzini@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Paolo Bonzini 2019-02-14 18:35:48 +01:00 • committed by Michael S. Tsirkin
parent fc3dbb90f2
commit 7b28c61524
3 changed files with 95 additions and 75 deletions
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74
hw/net/vhost_net.c
View file

@ -23,7 +23,6 @@
#include "qemu/error-report.h"
#ifdef CONFIG_VHOST_NET
#include <linux/vhost.h>
#include <sys/socket.h>
#include <linux/kvm.h>
@ -449,76 +448,3 @@ int vhost_net_set_mtu(struct vhost_net *net, uint16_t mtu)
return vhost_ops->vhost_net_set_mtu(&net->dev, mtu);
}
#else
uint64_t vhost_net_get_max_queues(VHostNetState *net)
{
return 1;
}
struct vhost_net *vhost_net_init(VhostNetOptions *options)
{
error_report("vhost-net support is not compiled in");
return NULL;
}
int vhost_net_start(VirtIODevice *dev,
NetClientState *ncs,
int total_queues)
{
return -ENOSYS;
}
void vhost_net_stop(VirtIODevice *dev,
NetClientState *ncs,
int total_queues)
{
}
void vhost_net_cleanup(struct vhost_net *net)
{
}
uint64_t vhost_net_get_features(struct vhost_net *net, uint64_t features)
{
return features;
}
void vhost_net_ack_features(struct vhost_net *net, uint64_t features)
{
}
uint64_t vhost_net_get_acked_features(VHostNetState *net)
{
return 0;
}
bool vhost_net_virtqueue_pending(VHostNetState *net, int idx)
{
return false;
}
void vhost_net_virtqueue_mask(VHostNetState *net, VirtIODevice *dev,
int idx, bool mask)
{
}
int vhost_net_notify_migration_done(struct vhost_net *net, char* mac_addr)
{
return -1;
}
VHostNetState *get_vhost_net(NetClientState *nc)
{
return 0;
}
int vhost_set_vring_enable(NetClientState *nc, int enable)
{
return 0;
}
int vhost_net_set_mtu(struct vhost_net *net, uint16_t mtu)
{
return 0;
}
#endif