tools/libxc: change xc_memshr_fork_reset API to match hypervisor

Need to separately specify if the reset is for the memory or for the VM state,
or both.

Signed-off-by: Tamas K Lengyel <tamas.lengyel@intel.com>
Reviewed-by: Roger Pau Monné <roger.pau@citrix.com>

tools/include/xenctrl.h

@@ -2290,7 +2290,8 @@ int xc_memshr_fork(xc_interface *xch,
  *
  * With VMs that have a lot of memory this call may block for a long time.
  */
-int xc_memshr_fork_reset(xc_interface *xch, uint32_t forked_domain);
+int xc_memshr_fork_reset(xc_interface *xch, uint32_t forked_domain,
+                         bool reset_state, bool reset_memory);
 
 /* Debug calls: return the number of pages referencing the shared frame backing
  * the input argument. Should be one or greater.

tools/libs/ctrl/xc_memshr.c

@@ -257,12 +257,17 @@ int xc_memshr_fork(xc_interface *xch, uint32_t pdomid, uint32_t domid,
     return xc_memshr_memop(xch, domid, &mso);
 }
 
-int xc_memshr_fork_reset(xc_interface *xch, uint32_t domid)
+int xc_memshr_fork_reset(xc_interface *xch, uint32_t domid, bool reset_state,
+                         bool reset_memory)
 {
     xen_mem_sharing_op_t mso;
 
     memset(&mso, 0, sizeof(mso));
     mso.op = XENMEM_sharing_op_fork_reset;
+    if ( reset_state )
+        mso.u.fork.flags |= XENMEM_FORK_RESET_STATE;
+    if ( reset_memory )
+        mso.u.fork.flags |= XENMEM_FORK_RESET_MEMORY;
 
     return xc_memshr_memop(xch, domid, &mso);
 }