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[PULL,v4,2/2] vhost user:support vhost user nic for non msi guests

Message ID 1425402197-21726-3-git-send-email-mst@redhat.com
State New
Headers show

Commit Message

Michael S. Tsirkin March 3, 2015, 5:07 p.m. UTC 
From: Haifeng Gao <gaohaifeng.gao@huawei.com>

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>
---
 net/vhost-user.c | 16 +++-------------
 1 file changed, 3 insertions(+), 13 deletions(-)
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Patch

diff --git a/net/vhost-user.c b/net/vhost-user.c
index 24e050c..2435b0f 100644
--- a/net/vhost-user.c
+++ b/net/vhost-user.c
@@ -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);
 }