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qemu: process: Split out logic for setting the 'allowReboot' internal flag

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Split out the logic which was used to determine whether qemu should
allow the guest OS to reboot for QEMU versions which don't support the
'set-action' QMP command.

Signed-off-by: Masayoshi Mizuma <m.mizuma@jp.fujitsu.com>
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
This commit is contained in:
Masayoshi Mizuma 2021-08-30 00:30:42 -04:00 committed by Peter Krempa
parent b6ec01b821
commit a2e6039cca
2 changed files with 21 additions and 8 deletions
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27
src/qemu/qemu_process.c
View File

@ -6361,6 +6361,24 @@ qemuProcessPrepareHostHostdevs(virDomainObj *vm)
}
/**
* qemuProcessRebootAllowed:
* @def: domain definition
*
* This function encapsulates the logic which dictated whether '-no-reboot' was
* used instead of '-no-shutdown' which is used QEMU versions which don't
* support the 'set-action' QMP command.
*/
bool
qemuProcessRebootAllowed(const virDomainDef *def)
{
return def->onReboot != VIR_DOMAIN_LIFECYCLE_ACTION_DESTROY ||
def->onPoweroff != VIR_DOMAIN_LIFECYCLE_ACTION_DESTROY ||
(def->onCrash != VIR_DOMAIN_LIFECYCLE_ACTION_DESTROY &&
def->onCrash != VIR_DOMAIN_LIFECYCLE_ACTION_COREDUMP_DESTROY);
}
static void
qemuProcessPrepareAllowReboot(virDomainObj *vm)
{
@ -6375,14 +6393,7 @@ qemuProcessPrepareAllowReboot(virDomainObj *vm)
if (priv->allowReboot != VIR_TRISTATE_BOOL_ABSENT)
return;
if (def->onReboot == VIR_DOMAIN_LIFECYCLE_ACTION_DESTROY &&
def->onPoweroff == VIR_DOMAIN_LIFECYCLE_ACTION_DESTROY &&
(def->onCrash == VIR_DOMAIN_LIFECYCLE_ACTION_DESTROY ||
def->onCrash == VIR_DOMAIN_LIFECYCLE_ACTION_COREDUMP_DESTROY)) {
priv->allowReboot = VIR_TRISTATE_BOOL_NO;
} else {
priv->allowReboot = VIR_TRISTATE_BOOL_YES;
}
priv->allowReboot = virTristateBoolFromBool(qemuProcessRebootAllowed(def));
}

2
src/qemu/qemu_process.h
View File

@ -242,3 +242,5 @@ void qemuProcessQMPFree(qemuProcessQMP *proc);
G_DEFINE_AUTOPTR_CLEANUP_FUNC(qemuProcessQMP, qemuProcessQMPFree);
int qemuProcessQMPStart(qemuProcessQMP *proc);
bool qemuProcessRebootAllowed(const virDomainDef *def);