void memory_region_add_eventfd(MemoryRegion *mr, hwaddr addr, unsigned size, bool match_data, uint64_t data, EventNotifier *e) { MemoryRegionIoeventfd mrfd = { .addr.start = int128_make64(addr), .addr.size = int128_make64(size), .match_data = match_data, .data = data, .e = e, }; unsigned i; adjust_endianness(mr, &mrfd.data, size); memory_region_transaction_begin(); for (i = 0; i < mr->ioeventfd_nb; ++i) { if (memory_region_ioeventfd_before(mrfd, mr->ioeventfds[i])) { break; } } ++mr->ioeventfd_nb; mr->ioeventfds = g_realloc(mr->ioeventfds, sizeof(*mr->ioeventfds) * mr->ioeventfd_nb); memmove(&mr->ioeventfds[i+1], &mr->ioeventfds[i], sizeof(*mr->ioeventfds) * (mr->ioeventfd_nb-1 - i)); mr->ioeventfds[i] = mrfd; ioeventfd_update_pending |= mr->enabled; memory_region_transaction_commit(); }