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[PATCH v5 5/6] pvpanic: Emit GUEST_PVSHUTDOWN QMP event on pvpanic shutd
From: |
Thomas Weißschuh |
Subject: |
[PATCH v5 5/6] pvpanic: Emit GUEST_PVSHUTDOWN QMP event on pvpanic shutdown signal |
Date: |
Mon, 29 Jan 2024 20:28:13 +0100 |
From: Alejandro Jimenez <alejandro.j.jimenez@oracle.com>
Emit a QMP event on receiving a PVPANIC_SHUTDOWN event. Even though a typical
SHUTDOWN event will be sent, it will be indistinguishable from a shutdown
originating from other cases (e.g. KVM exit due to KVM_SYSTEM_EVENT_SHUTDOWN)
that also issue the guest-shutdown cause.
A management layer application can detect the new GUEST_PVSHUTDOWN event to
determine if the guest is using the pvpanic interface to request shutdowns.
Signed-off-by: Alejandro Jimenez <alejandro.j.jimenez@oracle.com>
---
qapi/run-state.json | 14 ++++++++++++++
system/runstate.c | 1 +
2 files changed, 15 insertions(+)
diff --git a/qapi/run-state.json b/qapi/run-state.json
index 08bc99cb8561..d5a63e14ba7e 100644
--- a/qapi/run-state.json
+++ b/qapi/run-state.json
@@ -460,6 +460,20 @@
{ 'event': 'GUEST_CRASHLOADED',
'data': { 'action': 'GuestPanicAction', '*info': 'GuestPanicInformation' } }
+##
+# @GUEST_PVSHUTDOWN:
+#
+# Emitted when guest submits a shutdown request via pvpanic interface
+#
+# Since: 8.3
+#
+# Example:
+#
+# <- { "event": "GUEST_PVSHUTDOWN",
+# "timestamp": { "seconds": 1648245259, "microseconds": 893771 } }
+##
+{ 'event': 'GUEST_PVSHUTDOWN' }
+
##
# @GuestPanicAction:
#
diff --git a/system/runstate.c b/system/runstate.c
index 572499513034..02b0a1f8b9d0 100644
--- a/system/runstate.c
+++ b/system/runstate.c
@@ -574,6 +574,7 @@ void qemu_system_guest_crashloaded(GuestPanicInformation
*info)
void qemu_system_guest_pvshutdown(void)
{
+ qapi_event_send_guest_pvshutdown();
qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_SHUTDOWN);
}
--
2.43.0
- [PATCH v5 0/6] hw/misc/pvpanic: add support for normal shutdowns, Thomas Weißschuh, 2024/01/29
- [PATCH v5 3/6] tests/qtest/pvpanic: use centralized definition of supported events, Thomas Weißschuh, 2024/01/29
- [PATCH v5 2/6] hw/misc/pvpanic: centralize definition of supported events, Thomas Weißschuh, 2024/01/29
- [PATCH v5 1/6] linux-headers: drop pvpanic.h, Thomas Weißschuh, 2024/01/29
- [PATCH v5 4/6] hw/misc/pvpanic: add support for normal shutdowns, Thomas Weißschuh, 2024/01/29
- [PATCH v5 6/6] tests/qtest/pvpanic: add tests for pvshutdown event, Thomas Weißschuh, 2024/01/29
- [PATCH v5 5/6] pvpanic: Emit GUEST_PVSHUTDOWN QMP event on pvpanic shutdown signal,
Thomas Weißschuh <=