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vhost user:support vhost user nic for non msi guests 

Currently, vhost user nic doesn't support non msi guests(like pxe stage) by default.
Vhost user nic can't fall back to qemu like normal vhost net nic does. So we should
enable it for non msi guests.

Signed-off-by: Haifeng Gao <gaohaifeng.gao@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Haifeng Gao 2015-02-28 17:02:02 +08:00 committed by Michael S. Tsirkin
parent 2e5feadbf8
commit 24f938a682
1 changed files with 3 additions and 13 deletions

16
net/vhost-user.c
View File

@ -18,7 +18,6 @@
typedef struct VhostUserState {
NetClientState nc;
CharDriverState *chr;
bool vhostforce;
VHostNetState *vhost_net;
} VhostUserState;
@ -51,7 +50,7 @@ static int vhost_user_start(VhostUserState *s)
options.backend_type = VHOST_BACKEND_TYPE_USER;
options.net_backend = &s->nc;
options.opaque = s->chr;
options.force = s->vhostforce;
options.force = true;
s->vhost_net = vhost_net_init(&options);
@ -133,8 +132,7 @@ static void net_vhost_user_event(void *opaque, int event)
}
static int net_vhost_user_init(NetClientState *peer, const char *device,
const char *name, CharDriverState *chr,
bool vhostforce)
const char *name, CharDriverState *chr)
{
NetClientState *nc;
VhostUserState *s;
@ -149,7 +147,6 @@ static int net_vhost_user_init(NetClientState *peer, const char *device,
/* We don't provide a receive callback */
s->nc.receive_disabled = 1;
s->chr = chr;
s->vhostforce = vhostforce;
qemu_chr_add_handlers(s->chr, NULL, NULL, net_vhost_user_event, s);
@ -230,7 +227,6 @@ int net_init_vhost_user(const NetClientOptions *opts, const char *name,
{
const NetdevVhostUserOptions *vhost_user_opts;
CharDriverState *chr;
bool vhostforce;
assert(opts->kind == NET_CLIENT_OPTIONS_KIND_VHOST_USER);
vhost_user_opts = opts->vhost_user;
@ -247,12 +243,6 @@ int net_init_vhost_user(const NetClientOptions *opts, const char *name,
return -1;
}
/* vhostforce for non-MSIX */
if (vhost_user_opts->has_vhostforce) {
vhostforce = vhost_user_opts->vhostforce;
} else {
vhostforce = false;
}
return net_vhost_user_init(peer, "vhost_user", name, chr, vhostforce);
return net_vhost_user_init(peer, "vhost_user", name, chr);
}