From: Jagannathan Raman <jag.raman@oracle.com>
To: qemu-devel@nongnu.org
Cc: elena.ufimtseva@oracle.com, fam@euphon.net,
john.g.johnson@oracle.com, kraxel@redhat.com,
jag.raman@oracle.com, quintela@redhat.com, mst@redhat.com,
armbru@redhat.com, kanth.ghatraju@oracle.com, thuth@redhat.com,
ehabkost@redhat.com, konrad.wilk@oracle.com, dgilbert@redhat.com,
liran.alon@oracle.com, stefanha@redhat.com, rth@twiddle.net,
kwolf@redhat.com, berrange@redhat.com, mreitz@redhat.com,
ross.lagerwall@citrix.com, marcandre.lureau@gmail.com,
pbonzini@redhat.com
Subject: [RFC v4 PATCH 31/49] multi-process: handle heartbeat messages in remote process
Date: Thu, 24 Oct 2019 05:09:12 -0400 [thread overview]
Message-ID: <d4a9afc16225d2438d23f62fe0ab5225ead7d950.1571905346.git.jag.raman@oracle.com> (raw)
In-Reply-To: <cover.1571905346.git.jag.raman@oracle.com>
In-Reply-To: <cover.1571905346.git.jag.raman@oracle.com>
From: Elena Ufimtseva <elena.ufimtseva@oracle.com>
If the remote process is alive, it responds to proxy's heartbeat
messages
Signed-off-by: Jagannathan Raman <jag.raman@oracle.com>
Signed-off-by: John G Johnson <john.g.johnson@oracle.com>
Signed-off-by: Elena Ufimtseva <elena.ufimtseva@oracle.com>
---
remote/remote-main.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/remote/remote-main.c b/remote/remote-main.c
index 729f7e9..27e4492 100644
--- a/remote/remote-main.c
+++ b/remote/remote-main.c
@@ -355,6 +355,7 @@ static void process_msg(GIOCondition cond, MPQemuChannel *chan)
{
MPQemuMsg *msg = NULL;
Error *err = NULL;
+ int wait;
if ((cond & G_IO_HUP) || (cond & G_IO_ERR)) {
error_setg(&err, "socket closed, cond is %d", cond);
@@ -434,6 +435,11 @@ static void process_msg(GIOCondition cond, MPQemuChannel *chan)
case DEVICE_DEL:
process_device_del_msg(msg);
break;
+ case PROXY_PING:
+ wait = msg->fds[0];
+ notify_proxy(wait, (uint32_t)getpid());
+ PUT_REMOTE_WAIT(wait);
+ break;
default:
error_setg(&err, "Unknown command");
goto finalize_loop;
--
1.8.3.1
next prev parent reply other threads:[~2019-10-24 9:35 UTC|newest]
Thread overview: 140+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-24 9:08 [RFC v4 PATCH 00/49] Initial support of multi-process qemu Jagannathan Raman
2019-10-24 9:08 ` [RFC v4 PATCH 01/49] multi-process: memory: alloc RAM from file at offset Jagannathan Raman
2019-10-24 9:08 ` [RFC v4 PATCH 02/49] multi-process: util: Add qemu_thread_cancel() to cancel running thread Jagannathan Raman
2019-11-13 15:30 ` Stefan Hajnoczi
2019-11-13 15:38 ` Jag Raman
2019-11-13 15:51 ` Daniel P. Berrangé
2019-11-13 16:04 ` Jag Raman
2019-11-13 16:35 ` Daniel P. Berrangé
2019-10-24 9:08 ` [RFC v4 PATCH 03/49] multi-process: add a command line option for debug file Jagannathan Raman
2019-11-13 15:35 ` Stefan Hajnoczi
2019-10-24 9:08 ` [RFC v4 PATCH 04/49] multi-process: Add stub functions to facilate build of multi-process Jagannathan Raman
2019-10-24 9:08 ` [RFC v4 PATCH 05/49] multi-process: Add config option for multi-process QEMU Jagannathan Raman
2019-10-24 9:08 ` [RFC v4 PATCH 06/49] multi-process: build system for remote device process Jagannathan Raman
2019-10-24 9:08 ` [RFC v4 PATCH 07/49] multi-process: define mpqemu-link object Jagannathan Raman
2019-11-11 16:41 ` Stefan Hajnoczi
2019-11-13 15:47 ` Jag Raman
2019-11-13 15:53 ` Stefan Hajnoczi
2019-11-18 15:26 ` Jag Raman
2019-10-24 9:08 ` [RFC v4 PATCH 08/49] multi-process: add functions to synchronize proxy and remote endpoints Jagannathan Raman
2019-10-24 9:08 ` [RFC v4 PATCH 09/49] multi-process: setup PCI host bridge for remote device Jagannathan Raman
2019-11-13 16:07 ` Stefan Hajnoczi
2019-11-18 15:25 ` Jag Raman
2019-11-21 10:37 ` Stefan Hajnoczi
2019-10-24 9:08 ` [RFC v4 PATCH 10/49] multi-process: setup a machine object for remote device process Jagannathan Raman
2019-11-13 16:22 ` Stefan Hajnoczi
2019-11-18 15:29 ` Jag Raman
2019-10-24 9:08 ` [RFC v4 PATCH 11/49] multi-process: setup memory manager for remote device Jagannathan Raman
2019-11-13 16:33 ` Stefan Hajnoczi
2019-11-13 16:34 ` Jag Raman
2019-10-24 9:08 ` [RFC v4 PATCH 12/49] multi-process: remote process initialization Jagannathan Raman
2019-11-13 16:38 ` Stefan Hajnoczi
2019-10-24 9:08 ` [RFC v4 PATCH 13/49] multi-process: introduce proxy object Jagannathan Raman
2019-11-21 11:09 ` Stefan Hajnoczi
2019-10-24 9:08 ` [RFC v4 PATCH 14/49] mutli-process: build remote command line args Jagannathan Raman
2019-11-21 11:23 ` Stefan Hajnoczi
2019-10-24 9:08 ` [RFC v4 PATCH 15/49] multi-process: PCI BAR read/write handling for proxy & remote endpoints Jagannathan Raman
2019-11-21 11:33 ` Stefan Hajnoczi
2019-10-24 9:08 ` [RFC v4 PATCH 16/49] multi-process: Add LSI device proxy object Jagannathan Raman
2019-11-21 11:35 ` Stefan Hajnoczi
2019-10-24 9:08 ` [RFC v4 PATCH 17/49] multi-process: Synchronize remote memory Jagannathan Raman
2019-11-21 11:44 ` Stefan Hajnoczi
2019-10-24 9:08 ` [RFC v4 PATCH 18/49] multi-process: create IOHUB object to handle irq Jagannathan Raman
2019-11-21 12:02 ` Stefan Hajnoczi
2019-10-24 9:09 ` [RFC v4 PATCH 19/49] multi-process: configure remote side devices Jagannathan Raman
2019-11-21 12:05 ` Stefan Hajnoczi
2019-10-24 9:09 ` [RFC v4 PATCH 20/49] multi-process: add qdev_proxy_add to create proxy devices Jagannathan Raman
2019-11-21 12:16 ` Stefan Hajnoczi
2019-10-24 9:09 ` [RFC v4 PATCH 21/49] multi-process: remote: add setup_devices and setup_drive msg processing Jagannathan Raman
2019-10-24 9:09 ` [RFC v4 PATCH 22/49] multi-process: remote: use fd for socket from parent process Jagannathan Raman
2019-10-24 9:09 ` [RFC v4 PATCH 23/49] multi-process: remote: add create_done condition Jagannathan Raman
2019-10-24 9:09 ` [RFC v4 PATCH 24/49] multi-process: add processing of remote drive and device command line Jagannathan Raman
2019-10-24 9:09 ` [RFC v4 PATCH 25/49] multi-process: Introduce build flags to separate remote process code Jagannathan Raman
2019-10-24 9:09 ` [RFC v4 PATCH 26/49] multi-process: refractor vl.c code to re-use in remote Jagannathan Raman
2019-10-24 9:09 ` [RFC v4 PATCH 27/49] multi-process: add remote option Jagannathan Raman
2019-10-24 9:09 ` [RFC v4 PATCH 28/49] multi-process: add remote options parser Jagannathan Raman
2019-10-24 9:09 ` [RFC v4 PATCH 29/49] multi-process: add parse_cmdline in remote process Jagannathan Raman
2019-10-24 9:09 ` [RFC v4 PATCH 30/49] multi-process: send heartbeat messages to remote Jagannathan Raman
2019-11-11 16:27 ` Stefan Hajnoczi
2019-11-13 16:01 ` Jag Raman
2019-11-21 12:19 ` Stefan Hajnoczi
2019-10-24 9:09 ` Jagannathan Raman [this message]
2019-10-24 9:09 ` [RFC v4 PATCH 32/49] multi-process: Use separate MMIO communication channel Jagannathan Raman
2019-11-11 16:21 ` Stefan Hajnoczi
2019-11-13 16:14 ` Jag Raman
2019-11-21 12:31 ` Stefan Hajnoczi
2019-10-24 9:09 ` [RFC v4 PATCH 33/49] multi-process: perform device reset in the remote process Jagannathan Raman
2019-11-11 16:19 ` Stefan Hajnoczi
2019-11-13 16:15 ` Jag Raman
2019-10-24 9:09 ` [RFC v4 PATCH 34/49] multi-process/mon: choose HMP commands based on target Jagannathan Raman
2019-10-24 9:09 ` [RFC v4 PATCH 35/49] multi-process/mon: stub functions to enable QMP module for remote process Jagannathan Raman
2019-10-24 9:09 ` [RFC v4 PATCH 36/49] multi-process/mon: enable QMP module support in the " Jagannathan Raman
2019-10-24 9:09 ` [RFC v4 PATCH 37/49] multi-process/mon: Refactor monitor/chardev functions out of vl.c Jagannathan Raman
2019-10-24 9:09 ` [RFC v4 PATCH 38/49] multi-process/mon: Initialize QMP module for remote processes Jagannathan Raman
2019-10-24 9:09 ` [RFC v4 PATCH 39/49] multi-process: prevent duplicate memory initialization in remote Jagannathan Raman
2019-10-24 9:09 ` [RFC v4 PATCH 40/49] multi-process/mig: build migration module in the remote process Jagannathan Raman
2019-10-24 9:09 ` [RFC v4 PATCH 41/49] multi-process/mig: Enable VMSD save in the Proxy object Jagannathan Raman
2019-11-13 15:50 ` Daniel P. Berrangé
2019-11-13 16:32 ` Jag Raman
2019-11-13 17:11 ` Daniel P. Berrangé
2019-11-18 15:42 ` Jag Raman
2019-11-22 10:34 ` Dr. David Alan Gilbert
2019-10-24 9:09 ` [RFC v4 PATCH 42/49] multi-process/mig: Send VMSD of remote to " Jagannathan Raman
2019-10-24 9:09 ` [RFC v4 PATCH 43/49] multi-process/mig: Load VMSD in the proxy object Jagannathan Raman
2019-10-24 9:09 ` [RFC v4 PATCH 44/49] multi-process/mig: refactor runstate_check into common file Jagannathan Raman
2019-10-24 9:09 ` [RFC v4 PATCH 45/49] multi-process/mig: Synchronize runstate of remote process Jagannathan Raman
2019-11-11 16:17 ` Stefan Hajnoczi
2019-11-13 16:33 ` Jag Raman
2019-10-24 9:09 ` [RFC v4 PATCH 46/49] multi-process/mig: Restore the VMSD in " Jagannathan Raman
2019-10-24 9:09 ` [RFC v4 PATCH 47/49] multi-process: Enable support for multiple devices in remote Jagannathan Raman
2019-11-11 16:15 ` Stefan Hajnoczi
2019-11-13 16:21 ` Jag Raman
2019-10-24 9:09 ` [RFC v4 PATCH 48/49] multi-process: add the concept description to docs/devel/qemu-multiprocess Jagannathan Raman
2019-10-25 19:33 ` Elena Ufimtseva
2019-11-07 15:50 ` Stefan Hajnoczi
2019-11-11 15:41 ` Stefan Hajnoczi
2019-10-24 9:09 ` [RFC v4 PATCH 49/49] multi-process: add configure and usage information Jagannathan Raman
2019-11-07 14:02 ` Stefan Hajnoczi
2019-11-07 14:33 ` Michael S. Tsirkin
2019-11-08 11:17 ` Stefan Hajnoczi
2019-11-08 11:32 ` Daniel P. Berrangé
2019-11-07 14:39 ` Daniel P. Berrangé
2019-11-07 15:53 ` Jag Raman
2019-11-08 11:14 ` Stefan Hajnoczi
2019-10-25 2:08 ` [RFC v4 PATCH 00/49] Initial support of multi-process qemu no-reply
2019-10-25 2:08 ` no-reply
2019-10-25 2:10 ` no-reply
2019-11-21 12:46 ` Stefan Hajnoczi
2019-12-10 6:47 ` [RFC v4 PATCH 00/49] Initial support of multi-process qemu - status update Elena Ufimtseva
2019-12-13 10:41 ` Stefan Hajnoczi
2019-12-16 19:46 ` Elena Ufimtseva
2019-12-16 19:57 ` Felipe Franciosi
2019-12-17 16:33 ` Stefan Hajnoczi
2019-12-17 22:57 ` Felipe Franciosi
2019-12-18 0:00 ` Paolo Bonzini
2019-12-19 13:36 ` Stefan Hajnoczi
2019-12-20 17:15 ` John G Johnson
2020-01-02 10:00 ` Stefan Hajnoczi
2020-01-02 10:04 ` Stefan Hajnoczi
2019-12-19 11:55 ` Stefan Hajnoczi
2019-12-19 12:33 ` Felipe Franciosi
2019-12-19 12:55 ` Daniel P. Berrangé
2019-12-20 9:47 ` Stefan Hajnoczi
2019-12-20 9:50 ` Paolo Bonzini
2019-12-20 14:14 ` Felipe Franciosi
2019-12-20 15:25 ` Alex Williamson
2019-12-20 16:00 ` Felipe Franciosi
2020-02-25 9:16 ` Thanos Makatos
2019-12-20 10:22 ` Daniel P. Berrangé
2020-01-02 10:42 ` Stefan Hajnoczi
2020-01-02 11:03 ` Felipe Franciosi
2020-01-02 18:55 ` Marc-André Lureau
2020-01-08 16:31 ` Stefan Hajnoczi
2020-01-03 15:59 ` Stefan Hajnoczi
2020-01-14 1:56 ` John G Johnson
2020-01-17 17:25 ` Dr. David Alan Gilbert
2019-12-19 16:40 ` Jag Raman
2019-12-19 12:50 ` Daniel P. Berrangé
2019-12-19 16:46 ` Daniel P. Berrangé
2020-01-02 16:01 ` Elena Ufimtseva
2020-01-03 15:00 ` Stefan Hajnoczi
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