49         return 1;  in memory_device_addr_sort()
51         return -1;  in memory_device_addr_sort()
78     return 1;  in memory_device_get_memslots()
85 static unsigned int get_reserved_memslots(MachineState *ms)  in get_reserved_memslots()  argument
87     if (ms->device_memory->used_memslots >  in get_reserved_memslots()
88         ms->device_memory->required_memslots) {  in get_reserved_memslots()
92     return ms->device_memory->required_memslots -  in get_reserved_memslots()
93            ms->device_memory->used_memslots;  in get_reserved_memslots()
113 static unsigned int memory_device_memslot_decision_limit(MachineState *ms,  in memory_device_memslot_decision_limit()  argument
116     const unsigned int reserved = get_reserved_memslots(ms);  in memory_device_memslot_decision_limit()
133         return 1;  in memory_device_memslot_decision_limit()
141         ms->device_memory->required_memslots) {  in memory_device_memslot_decision_limit()
142         return 1;  in memory_device_memslot_decision_limit()
145                ms->device_memory->required_memslots;  in memory_device_memslot_decision_limit()
154     if (memslots < 1 || unlikely(free < reserved)) {  in memory_device_memslot_decision_limit()
155         return 1;  in memory_device_memslot_decision_limit()
159     if (size == ms->maxram_size - ms->ram_size) {  in memory_device_memslot_decision_limit()
167     available_space = ms->maxram_size - ms->ram_size -  in memory_device_memslot_decision_limit()
168                       ms->device_memory->used_region_size;  in memory_device_memslot_decision_limit()
170     return memslots < 1 ? 1 : memslots;  in memory_device_memslot_decision_limit()
173 static void memory_device_check_addable(MachineState *ms, MemoryDeviceState *md,  in memory_device_check_addable()  argument
177     const uint64_t used_region_size = ms->device_memory->used_region_size;  in memory_device_check_addable()
179     const unsigned int reserved_memslots = get_reserved_memslots(ms);  in memory_device_check_addable()
187         memslot_limit = memory_device_memslot_decision_limit(ms, mr);  in memory_device_check_addable()
205         used_region_size + size > ms->maxram_size - ms->ram_size) {  in memory_device_check_addable()
208                    used_region_size, ms->maxram_size - ms->ram_size);  in memory_device_check_addable()
214 static uint64_t memory_device_get_free_addr(MachineState *ms,  in memory_device_get_free_addr()  argument
222     range_init_nofail(&as, ms->device_memory->base,  in memory_device_get_free_addr()
223                       memory_region_size(&ms->device_memory->mr));  in memory_device_get_free_addr()
255     object_child_foreach(OBJECT(ms), memory_device_build_list, &list);  in memory_device_get_free_addr()
277             next_addr = QEMU_ALIGN_UP(range_upb(&tmp) + 1, align);  in memory_device_get_free_addr()
307         MemoryDeviceInfo *info = g_new0(MemoryDeviceInfo, 1);  in qmp_memory_device_list()
347 void memory_device_pre_plug(MemoryDeviceState *md, MachineState *ms,  in memory_device_pre_plug()  argument
360     if (!ms->device_memory) {  in memory_device_pre_plug()
372     memory_device_check_addable(ms, md, mr, &local_err);  in memory_device_pre_plug()
379      * region alignment: for example, DIMMs with 1G+1byte size don't make  in memory_device_pre_plug()
396     addr = memory_device_get_free_addr(ms, !addr ? NULL : &addr, align,  in memory_device_pre_plug()
410 void memory_device_plug(MemoryDeviceState *md, MachineState *ms)  in memory_device_plug()  argument
429     g_assert(ms->device_memory);  in memory_device_plug()
431     ms->device_memory->used_region_size += memory_region_size(mr);  in memory_device_plug()
432     ms->device_memory->required_memslots += memslots;  in memory_device_plug()
433     if (mdc->decide_memslots && memslots > 1) {  in memory_device_plug()
434         ms->device_memory->memslot_auto_decision_active++;  in memory_device_plug()
437     memory_region_add_subregion(&ms->device_memory->mr,  in memory_device_plug()
438                                 addr - ms->device_memory->base, mr);  in memory_device_plug()
442 void memory_device_unplug(MemoryDeviceState *md, MachineState *ms)  in memory_device_unplug()  argument
457     g_assert(ms->device_memory);  in memory_device_unplug()
459     memory_region_del_subregion(&ms->device_memory->mr, mr);  in memory_device_unplug()
461     if (mdc->decide_memslots && memslots > 1) {  in memory_device_unplug()
462         ms->device_memory->memslot_auto_decision_active--;  in memory_device_unplug()
464     ms->device_memory->used_region_size -= memory_region_size(mr);  in memory_device_unplug()
465     ms->device_memory->required_memslots -= memslots;  in memory_device_unplug()
510     dms->used_memslots += add ? 1 : -1;  in memory_devices_region_mod()
529 void machine_memory_devices_init(MachineState *ms, hwaddr base, uint64_t size)  in machine_memory_devices_init()  argument
532     g_assert(!ms->device_memory);  in machine_memory_devices_init()
533     ms->device_memory = g_new0(DeviceMemoryState, 1);  in machine_memory_devices_init()
534     ms->device_memory->base = base;  in machine_memory_devices_init()
536     memory_region_init(&ms->device_memory->mr, OBJECT(ms), "device-memory",  in machine_memory_devices_init()
538     address_space_init(&ms->device_memory->as, &ms->device_memory->mr,  in machine_memory_devices_init()
540     memory_region_add_subregion(get_system_memory(), ms->device_memory->base,  in machine_memory_devices_init()
541                                 &ms->device_memory->mr);  in machine_memory_devices_init()
544     ms->device_memory->listener.region_add = memory_devices_region_add;  in machine_memory_devices_init()
545     ms->device_memory->listener.region_del = memory_devices_region_del;  in machine_memory_devices_init()
546     memory_listener_register(&ms->device_memory->listener,  in machine_memory_devices_init()
547                              &ms->device_memory->as);  in machine_memory_devices_init()