diff options
| author | Laurent Vivier <lvivier@redhat.com> | 2025-02-17 10:25:50 +0100 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2025-02-21 07:21:25 -0500 |
| commit | 02fd9f8aeeb184276b283ae2f404bc3acf1e7b7a (patch) | |
| tree | 771b519e53c2967a4b856495cb22eff20dfc031b /net/vhost-user.c | |
| parent | 131fe64e63c88ec52c45a5946a478c0edeb31b78 (diff) | |
| download | focaccia-qemu-02fd9f8aeeb184276b283ae2f404bc3acf1e7b7a.tar.gz focaccia-qemu-02fd9f8aeeb184276b283ae2f404bc3acf1e7b7a.zip | |
net: vhost-user: add QAPI events to report connection state
The netdev reports NETDEV_VHOST_USER_CONNECTED event when
the chardev is connected, and NETDEV_VHOST_USER_DISCONNECTED
when it is disconnected.
The NETDEV_VHOST_USER_CONNECTED event includes the chardev id.
This allows a system manager like libvirt to detect when the server
fails.
For instance with passt:
{ 'execute': 'qmp_capabilities' }
{ "return": { } }
[killing passt here]
{ "timestamp": { "seconds": 1739538634, "microseconds": 920450 },
"event": "NETDEV_VHOST_USER_DISCONNECTED",
"data": { "netdev-id": "netdev0" } }
[automatic reconnection with reconnect-ms]
{ "timestamp": { "seconds": 1739538638, "microseconds": 354181 },
"event": "NETDEV_VHOST_USER_CONNECTED",
"data": { "netdev-id": "netdev0", "chardev-id": "chr0" } }
Tested-by: Stefano Brivio <sbrivio@redhat.com>
Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Message-Id: <20250217092550.1172055-1-lvivier@redhat.com>
Acked-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'net/vhost-user.c')
| -rw-r--r-- | net/vhost-user.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/vhost-user.c b/net/vhost-user.c index 12555518e8..0b235e50c6 100644 --- a/net/vhost-user.c +++ b/net/vhost-user.c @@ -16,6 +16,7 @@ #include "chardev/char-fe.h" #include "qapi/error.h" #include "qapi/qapi-commands-net.h" +#include "qapi/qapi-events-net.h" #include "qemu/config-file.h" #include "qemu/error-report.h" #include "qemu/option.h" @@ -271,6 +272,7 @@ static void chr_closed_bh(void *opaque) if (err) { error_report_err(err); } + qapi_event_send_netdev_vhost_user_disconnected(name); } static void net_vhost_user_event(void *opaque, QEMUChrEvent event) @@ -300,6 +302,7 @@ static void net_vhost_user_event(void *opaque, QEMUChrEvent event) net_vhost_user_watch, s); qmp_set_link(name, true, &err); s->started = true; + qapi_event_send_netdev_vhost_user_connected(name, chr->label); break; case CHR_EVENT_CLOSED: /* a close event may happen during a read/write, but vhost |