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authorPeter Maydell <peter.maydell@linaro.org>2019-08-16 15:53:37 +0100
committerPeter Maydell <peter.maydell@linaro.org>2019-08-16 15:53:37 +0100
commitc6a2225a5a5e272edc0304845e32ea436ea1043a (patch)
tree4bd7a214066714ef048ac30b4dedd5b8f6b31458 /qapi
parent95a9457fd44ad97c518858a4e1586a5498f9773c (diff)
parent8f071c9db506e03abcb1b76ec6d3d2f9488cc3b3 (diff)
downloadfocaccia-qemu-c6a2225a5a5e272edc0304845e32ea436ea1043a.tar.gz
focaccia-qemu-c6a2225a5a5e272edc0304845e32ea436ea1043a.zip
Merge remote-tracking branch 'remotes/ericb/tags/pull-nbd-2019-08-15' into staging
nbd patches for 2019-08-15

- Addition of InetSocketAddress keep-alive
- Addition of BDRV_REQ_PREFETCH for more efficient copy-on-read
- Initial refactoring in preparation of NBD reconnect

# gpg: Signature made Thu 15 Aug 2019 19:28:41 BST
# gpg:                using RSA key A7A16B4A2527436A
# gpg: Good signature from "Eric Blake <eblake@redhat.com>" [full]
# gpg:                 aka "Eric Blake (Free Software Programmer) <ebb9@byu.net>" [full]
# gpg:                 aka "[jpeg image of size 6874]" [full]
# Primary key fingerprint: 71C2 CC22 B1C4 6029 27D2  F3AA A7A1 6B4A 2527 436A

* remotes/ericb/tags/pull-nbd-2019-08-15:
  block/nbd: refactor nbd connection parameters
  block/nbd: add cmdline and qapi parameter reconnect-delay
  block/nbd: move from quit to state
  block/nbd: use non-blocking io channel for nbd negotiation
  block/nbd: split connection_co start out of nbd_client_connect
  nbd: improve CMD_CACHE: use BDRV_REQ_PREFETCH
  block/stream: use BDRV_REQ_PREFETCH
  block: implement BDRV_REQ_PREFETCH
  qapi: Add InetSocketAddress member keep-alive

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'qapi')
-rw-r--r--qapi/block-core.json11
-rw-r--r--qapi/sockets.json6
2 files changed, 15 insertions, 2 deletions
diff --git a/qapi/block-core.json b/qapi/block-core.json
index 0d43d4f37c..f1e7701fbe 100644
--- a/qapi/block-core.json
+++ b/qapi/block-core.json
@@ -3860,13 +3860,22 @@
 #                  traditional "base:allocation" block status (see
 #                  NBD_OPT_LIST_META_CONTEXT in the NBD protocol) (since 3.0)
 #
+# @reconnect-delay: On an unexpected disconnect, the nbd client tries to
+#                   connect again until succeeding or encountering a serious
+#                   error.  During the first @reconnect-delay seconds, all
+#                   requests are paused and will be rerun on a successful
+#                   reconnect. After that time, any delayed requests and all
+#                   future requests before a successful reconnect will
+#                   immediately fail. Default 0 (Since 4.2)
+#
 # Since: 2.9
 ##
 { 'struct': 'BlockdevOptionsNbd',
   'data': { 'server': 'SocketAddress',
             '*export': 'str',
             '*tls-creds': 'str',
-            '*x-dirty-bitmap': 'str' } }
+            '*x-dirty-bitmap': 'str',
+            '*reconnect-delay': 'uint32' } }
 
 ##
 # @BlockdevOptionsRaw:
diff --git a/qapi/sockets.json b/qapi/sockets.json
index fc81d8d5e8..32375f3a36 100644
--- a/qapi/sockets.json
+++ b/qapi/sockets.json
@@ -53,6 +53,9 @@
 #
 # @ipv6: whether to accept IPv6 addresses, default try both IPv4 and IPv6
 #
+# @keep-alive: enable keep-alive when connecting to this socket. Not supported
+#              for passive sockets. (Since 4.2)
+#
 # Since: 1.3
 ##
 { 'struct': 'InetSocketAddress',
@@ -61,7 +64,8 @@
     '*numeric':  'bool',
     '*to': 'uint16',
     '*ipv4': 'bool',
-    '*ipv6': 'bool' } }
+    '*ipv6': 'bool',
+    '*keep-alive': 'bool' } }
 
 ##
 # @UnixSocketAddress: