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Add the vhost-user netdev backend to the command line

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The supplied chardev id will be inspected for supported options. Only
a socket backend, with a set path (i.e. a Unix socket) and optionally
the server parameter set, will be allowed. Other options (nowait, telnet)
will make the chardev unusable and the netdev will not be initialised.

Additional checks for validity:
  - requires `-numa node,memdev=..`
  - requires `-device virtio-net-*`

The `vhostforce` option is used to force vhost-net when we deal with
non-MSIX guests.

Signed-off-by: Antonios Motakis <a.motakis@virtualopensystems.com>
Signed-off-by: Nikolay Nikolaev <n.nikolaev@virtualopensystems.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Luiz Capitulino <lcapitulino@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
This commit is contained in:
Nikolay Nikolaev 2014-06-10 13:02:16 +03:00 • committed by Michael S. Tsirkin
parent d314f586b3
commit 03ce574442
8 changed files with 160 additions and 7 deletions
Download patch file Download diff file Expand all files Collapse all files

7
net/net.c
View file

@ -62,6 +62,7 @@ const char *host_net_devices[] = {
#ifdef CONFIG_VDE
"vde",
#endif
"vhost-user",
NULL,
};
@ -802,6 +803,9 @@ static int (* const net_client_init_fun[NET_CLIENT_OPTIONS_KIND_MAX])(
[NET_CLIENT_OPTIONS_KIND_BRIDGE] = net_init_bridge,
#endif
[NET_CLIENT_OPTIONS_KIND_HUBPORT] = net_init_hubport,
#ifdef CONFIG_VHOST_NET_USED
[NET_CLIENT_OPTIONS_KIND_VHOST_USER] = net_init_vhost_user,
#endif
};
@ -835,6 +839,9 @@ static int net_client_init1(const void *object, int is_netdev, Error **errp)
case NET_CLIENT_OPTIONS_KIND_BRIDGE:
#endif
case NET_CLIENT_OPTIONS_KIND_HUBPORT:
#ifdef CONFIG_VHOST_NET_USED
case NET_CLIENT_OPTIONS_KIND_VHOST_USER:
#endif
break;
default: