*
*/
+#include "qemu/osdep.h"
#include "qemu-common.h"
#include "qemu/error-report.h"
#include "sysemu/replay.h"
#include "replay-internal.h"
+#include "block/aio.h"
+#include "ui/input.h"
typedef struct Event {
ReplayAsyncEventKind event_kind;
static void replay_run_event(Event *event)
{
switch (event->event_kind) {
+ case REPLAY_ASYNC_EVENT_BH:
+ aio_bh_call(event->opaque);
+ break;
+ case REPLAY_ASYNC_EVENT_INPUT:
+ qemu_input_event_send_impl(NULL, (InputEvent *)event->opaque);
+ qapi_free_InputEvent((InputEvent *)event->opaque);
+ break;
+ case REPLAY_ASYNC_EVENT_INPUT_SYNC:
+ qemu_input_event_sync_impl();
+ break;
+ case REPLAY_ASYNC_EVENT_CHAR_READ:
+ replay_event_char_read_run(event->opaque);
+ break;
+ case REPLAY_ASYNC_EVENT_BLOCK:
+ aio_bh_call(event->opaque);
+ break;
+ case REPLAY_ASYNC_EVENT_NET:
+ replay_event_net_run(event->opaque);
+ break;
default:
error_report("Replay: invalid async event ID (%d) in the queue",
event->event_kind);
}
/*! Adds specified async event to the queue */
-#if 0
-static void replay_add_event(ReplayAsyncEventKind event_kind,
- void *opaque,
- void *opaque2, uint64_t id)
+void replay_add_event(ReplayAsyncEventKind event_kind,
+ void *opaque,
+ void *opaque2, uint64_t id)
{
assert(event_kind < REPLAY_ASYNC_COUNT);
QTAILQ_INSERT_TAIL(&events_list, event, events);
replay_mutex_unlock();
}
-#endif
+
+void replay_bh_schedule_event(QEMUBH *bh)
+{
+ if (replay_mode != REPLAY_MODE_NONE && events_enabled) {
+ uint64_t id = replay_get_current_step();
+ replay_add_event(REPLAY_ASYNC_EVENT_BH, bh, NULL, id);
+ } else {
+ qemu_bh_schedule(bh);
+ }
+}
+
+void replay_add_input_event(struct InputEvent *event)
+{
+ replay_add_event(REPLAY_ASYNC_EVENT_INPUT, event, NULL, 0);
+}
+
+void replay_add_input_sync_event(void)
+{
+ replay_add_event(REPLAY_ASYNC_EVENT_INPUT_SYNC, NULL, NULL, 0);
+}
+
+void replay_block_event(QEMUBH *bh, uint64_t id)
+{
+ if (replay_mode != REPLAY_MODE_NONE && events_enabled) {
+ replay_add_event(REPLAY_ASYNC_EVENT_BLOCK, bh, NULL, id);
+ } else {
+ qemu_bh_schedule(bh);
+ }
+}
static void replay_save_event(Event *event, int checkpoint)
{
/* save event-specific data */
switch (event->event_kind) {
+ case REPLAY_ASYNC_EVENT_BH:
+ replay_put_qword(event->id);
+ break;
+ case REPLAY_ASYNC_EVENT_INPUT:
+ replay_save_input_event(event->opaque);
+ break;
+ case REPLAY_ASYNC_EVENT_INPUT_SYNC:
+ break;
+ case REPLAY_ASYNC_EVENT_CHAR_READ:
+ replay_event_char_read_save(event->opaque);
+ break;
+ case REPLAY_ASYNC_EVENT_BLOCK:
+ replay_put_qword(event->id);
+ break;
+ case REPLAY_ASYNC_EVENT_NET:
+ replay_event_net_save(event->opaque);
+ break;
default:
- error_report("Unknown ID %d of replay event", read_event_kind);
+ error_report("Unknown ID %" PRId64 " of replay event", event->id);
exit(1);
- break;
}
}
}
/* Events that has not to be in the queue */
switch (read_event_kind) {
+ case REPLAY_ASYNC_EVENT_BH:
+ if (read_id == -1) {
+ read_id = replay_get_qword();
+ }
+ break;
+ case REPLAY_ASYNC_EVENT_INPUT:
+ event = g_malloc0(sizeof(Event));
+ event->event_kind = read_event_kind;
+ event->opaque = replay_read_input_event();
+ return event;
+ case REPLAY_ASYNC_EVENT_INPUT_SYNC:
+ event = g_malloc0(sizeof(Event));
+ event->event_kind = read_event_kind;
+ event->opaque = 0;
+ return event;
+ case REPLAY_ASYNC_EVENT_CHAR_READ:
+ event = g_malloc0(sizeof(Event));
+ event->event_kind = read_event_kind;
+ event->opaque = replay_event_char_read_load();
+ return event;
+ case REPLAY_ASYNC_EVENT_BLOCK:
+ if (read_id == -1) {
+ read_id = replay_get_qword();
+ }
+ break;
+ case REPLAY_ASYNC_EVENT_NET:
+ event = g_malloc0(sizeof(Event));
+ event->event_kind = read_event_kind;
+ event->opaque = replay_event_net_load();
+ return event;
default:
error_report("Unknown ID %d of replay event", read_event_kind);
exit(1);
/* Called with replay mutex locked */
void replay_read_events(int checkpoint)
{
- while (replay_data_kind == EVENT_ASYNC) {
+ while (replay_state.data_kind == EVENT_ASYNC) {
Event *event = replay_read_event(checkpoint);
if (!event) {
break;
}
+ replay_finish_event();
+ read_event_kind = -1;
replay_mutex_unlock();
replay_run_event(event);
replay_mutex_lock();
g_free(event);
- replay_finish_event();
- read_event_kind = -1;
}
}
{
return events_enabled;
}
+
+uint64_t blkreplay_next_id(void)
+{
+ if (replay_events_enabled()) {
+ return replay_state.block_request_id++;
+ }
+ return 0;
+}