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QMP, Introduce xen-set-global-dirty-log command.

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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 <anthony.perard@citrix.com>
Reviewed-by: Luiz Capitulino <lcapitulino@redhat.com>
This commit is contained in:
Anthony PERARD 2012-10-03 13:48:19 +00:00 • committed by Stefano Stabellini
parent aabc8530c7
commit 39f42439d0
4 changed files with 57 additions and 0 deletions
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15
xen-all.c
View file

@ -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)