conf: Add taint flag for custom hypervisor features

Upcoming patches will allow enabling/disabling custom hypervisor
features for debugging/testing purposes via the qemu namespace.

Add a taint flag where we will flag such a domain so it's obvious what's
happening.
Signed-off-by: NPeter Krempa <pkrempa@redhat.com>
Reviewed-by: NJán Tomko <jtomko@redhat.com>

src/conf/domain_conf.c

@@ -107,6 +107,7 @@ VIR_ENUM_IMPL(virDomainTaint,
               "cdrom-passthrough",
               "custom-dtb",
               "custom-ga-command",
+              "custom-hypervisor-feature",
 );
 
 VIR_ENUM_IMPL(virDomainVirt,

src/conf/domain_conf.h

@@ -2530,6 +2530,7 @@ typedef enum {
     VIR_DOMAIN_TAINT_CDROM_PASSTHROUGH,/* CDROM passthrough */
     VIR_DOMAIN_TAINT_CUSTOM_DTB,       /* Custom device tree blob was specified */
     VIR_DOMAIN_TAINT_CUSTOM_GA_COMMAND, /* Custom guest agent command */
+    VIR_DOMAIN_TAINT_CUSTOM_HYPERVISOR_FEATURE, /* custom hypervisor feature control */
 
     VIR_DOMAIN_TAINT_LAST
 } virDomainTaintFlags;