API: Add domain job operation for backups

Introduce VIR_DOMAIN_JOB_OPERATION_BACKUP into virDomainJobOperation.
Signed-off-by: NPeter Krempa <pkrempa@redhat.com>
Reviewed-by: NDaniel P. Berrangé <berrange@redhat.com>
Reviewed-by: NEric Blake <eblake@redhat.com>
Reviewed-by: NJán Tomko <jtomko@redhat.com>

include/libvirt/libvirt-domain.h

@@ -3283,6 +3283,7 @@ typedef enum {
     VIR_DOMAIN_JOB_OPERATION_SNAPSHOT = 6,
     VIR_DOMAIN_JOB_OPERATION_SNAPSHOT_REVERT = 7,
     VIR_DOMAIN_JOB_OPERATION_DUMP = 8,
+    VIR_DOMAIN_JOB_OPERATION_BACKUP = 9,
 
 # ifdef VIR_ENUM_SENTINELS
     VIR_DOMAIN_JOB_OPERATION_LAST

tools/virsh-domain.c

@@ -6068,7 +6068,9 @@ VIR_ENUM_IMPL(virshDomainJobOperation,
               N_("Outgoing migration"),
               N_("Snapshot"),
               N_("Snapshot revert"),
-              N_("Dump"));
+              N_("Dump"),
+              N_("Backup"),
+);
 
 static const char *
 virshDomainJobOperationToString(int op)