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qemu: Move check for chardev backends which can't be hotplugged out of the monitor

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The upcoming refactor of the monitor code will make the hotplug code
paths use the same generator we have for commandline -chardev backends
which doesn't refuse to format certain backends which can't be
hotplugged.

To prepare for this we add a check to qemuHotplugChardevAttach()
refusing such hotplug and remove 'qemumonitorjsontest' test cases which
will not make sense any more.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This commit is contained in:
Peter Krempa 2024-09-17 14:53:54 +02:00
parent b8129d2530
commit d897ad2b89
2 changed files with 29 additions and 6 deletions
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29
src/qemu/qemu_hotplug.c
View File

@ -243,6 +243,35 @@ qemuHotplugChardevAttach(qemuMonitor *mon,
const char *alias,
virDomainChrSourceDef *def)
{
switch ((virDomainChrType) def->type) {
case VIR_DOMAIN_CHR_TYPE_NULL:
case VIR_DOMAIN_CHR_TYPE_VC:
case VIR_DOMAIN_CHR_TYPE_PTY:
case VIR_DOMAIN_CHR_TYPE_FILE:
case VIR_DOMAIN_CHR_TYPE_DEV:
case VIR_DOMAIN_CHR_TYPE_UNIX:
case VIR_DOMAIN_CHR_TYPE_TCP:
case VIR_DOMAIN_CHR_TYPE_UDP:
case VIR_DOMAIN_CHR_TYPE_SPICEVMC:
case VIR_DOMAIN_CHR_TYPE_QEMU_VDAGENT:
case VIR_DOMAIN_CHR_TYPE_DBUS:
break;
case VIR_DOMAIN_CHR_TYPE_SPICEPORT:
case VIR_DOMAIN_CHR_TYPE_PIPE:
case VIR_DOMAIN_CHR_TYPE_STDIO:
case VIR_DOMAIN_CHR_TYPE_NMDM:
virReportError(VIR_ERR_OPERATION_FAILED,
_("Hotplug unsupported for char device type '%1$s'"),
virDomainChrTypeToString(def->type));
return -1;
case VIR_DOMAIN_CHR_TYPE_LAST:
default:
virReportEnumRangeError(virDomainChrType, def->type);
return -1;
}
return qemuMonitorAttachCharDev(mon, alias, def);
}

6
tests/qemumonitorjsontest.c
View File

@ -652,12 +652,6 @@ qemuMonitorJSONTestAttachChardev(virDomainXMLOption *xmlopt,
"{'id':'alias','backend':{'type':'spicevmc',"
"'data':{'type':'vdagent'}}}");
chr->type = VIR_DOMAIN_CHR_TYPE_PIPE;
CHECK("pipe", true, NULL);
chr->type = VIR_DOMAIN_CHR_TYPE_STDIO;
CHECK("stdio", true, NULL);
chr->type = VIR_DOMAIN_CHR_TYPE_PTY;
CHECK("pty missing path", true,
"{'id':'alias','backend':{'type':'pty','data':{}}}");