[PULL 3/3] qemu-options: updates for abstract unix sockets

["Daniel P. Berrangé" <berrange@redhat.com>]

From: xiaoqiang zhao <zxq_yx_007@163.com>

add options documents changes for -chardev

Signed-off-by: xiaoqiang zhao <zxq_yx_007@163.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
---
 qemu-options.hx | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/qemu-options.hx b/qemu-options.hx
index e2dca8a4e9..93bde2bbc8 100644
--- a/qemu-options.hx
+++ b/qemu-options.hx
@@ -2938,7 +2938,7 @@ DEF("chardev", HAS_ARG, QEMU_OPTION_chardev,
     "         [,server][,nowait][,telnet][,websocket][,reconnect=seconds][,mux=on|off]\n"
     "         [,logfile=PATH][,logappend=on|off][,tls-creds=ID][,tls-authz=ID] (tcp)\n"
     "-chardev socket,id=id,path=path[,server][,nowait][,telnet][,websocket][,reconnect=seconds]\n"
-    "         [,mux=on|off][,logfile=PATH][,logappend=on|off] (unix)\n"
+    "         [,mux=on|off][,logfile=PATH][,logappend=on|off][,abstract=on|off][,tight=on|off] (unix)\n"
     "-chardev udp,id=id[,host=host],port=port[,localaddr=localaddr]\n"
     "         [,localport=localport][,ipv4][,ipv6][,mux=on|off]\n"
     "         [,logfile=PATH][,logappend=on|off]\n"
@@ -3105,9 +3105,13 @@ The available backends are:
 
         ``nodelay`` disables the Nagle algorithm.
 
-    ``unix options: path=path``
+    ``unix options: path=path[,abstract=on|off][,tight=on|off]``
         ``path`` specifies the local path of the unix socket. ``path``
         is required.
+        ``abstract`` specifies the use of the abstract socket namespace,
+        rather than the filesystem.  Optional, defaults to false.
+        ``tight`` sets the socket length of abstract sockets to their minimum,
+        rather than the full sun_path length.  Optional, defaults to true.
 
 ``-chardev udp,id=id[,host=host],port=port[,localaddr=localaddr][,localport=localport][,ipv4][,ipv6]``
     Sends all traffic from the guest to a remote host over UDP.
-- 
2.26.2