From 39f42439d0629d3921629dc4b38e68df8f2f7b83 Mon Sep 17 00:00:00 2001 From: Anthony PERARD Date: Wed, 3 Oct 2012 13:48:19 +0000 Subject: QMP, Introduce xen-set-global-dirty-log command. This command is used during a migration of a guest under Xen. It calls memory_global_dirty_log_start or memory_global_dirty_log_stop according to the argument pass to the command. Signed-off-by: Anthony PERARD Reviewed-by: Luiz Capitulino --- xen-all.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) (limited to 'xen-all.c') diff --git a/xen-all.c b/xen-all.c index f76b051eee..f75ae9fd28 100644 --- a/xen-all.c +++ b/xen-all.c @@ -14,6 +14,7 @@ #include "hw/pc.h" #include "hw/xen_common.h" #include "hw/xen_backend.h" +#include "qmp-commands.h" #include "range.h" #include "xen-mapcache.h" @@ -36,6 +37,7 @@ static MemoryRegion ram_memory, ram_640k, ram_lo, ram_hi; static MemoryRegion *framebuffer; +static bool xen_in_migration; /* Compatibility with older version */ #if __XEN_LATEST_INTERFACE_VERSION__ < 0x0003020a @@ -552,10 +554,14 @@ static void xen_log_sync(MemoryListener *listener, MemoryRegionSection *section) static void xen_log_global_start(MemoryListener *listener) { + if (xen_enabled()) { + xen_in_migration = true; + } } static void xen_log_global_stop(MemoryListener *listener) { + xen_in_migration = false; } static void xen_eventfd_add(MemoryListener *listener, @@ -588,6 +594,15 @@ static MemoryListener xen_memory_listener = { .priority = 10, }; +void qmp_xen_set_global_dirty_log(bool enable, Error **errp) +{ + if (enable) { + memory_global_dirty_log_start(); + } else { + memory_global_dirty_log_stop(); + } +} + /* VCPU Operations, MMIO, IO ring ... */ static void xen_reset_vcpu(void *opaque) -- cgit v1.2.1