qtest: add clock management

This patch combines qtest and -icount together to turn the vm_clock
into a source that can be fully managed by the client.  To this end new
commands clock_step and clock_set are added.  Hooking them with libqtest
is left as an exercise to the reader.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/cpus.h b/cpus.h
index 4ea2fe2c22..81bd81773f 100644
--- a/cpus.h
+++ b/cpus.h
@@ -11,6 +11,8 @@ void cpu_synchronize_all_states(void);
 void cpu_synchronize_all_post_reset(void);
 void cpu_synchronize_all_post_init(void);
 
+void qtest_clock_warp(int64_t dest);
+
 /* vl.c */
 extern int smp_cores;
 extern int smp_threads;