1
2
3
4
5
6
7
8
9
10#include "qemu/osdep.h"
11#include "cpu.h"
12#include "hw/boards.h"
13#include "qapi/error.h"
14#include "qapi/qapi-commands-machine.h"
15#include "qapi/qmp/qerror.h"
16#include "sysemu/hostmem.h"
17#include "sysemu/hw_accel.h"
18#include "sysemu/numa.h"
19#include "sysemu/sysemu.h"
20
21CpuInfoList *qmp_query_cpus(Error **errp)
22{
23 MachineState *ms = MACHINE(qdev_get_machine());
24 MachineClass *mc = MACHINE_GET_CLASS(ms);
25 CpuInfoList *head = NULL, *cur_item = NULL;
26 CPUState *cpu;
27
28 CPU_FOREACH(cpu) {
29 CpuInfoList *info;
30#if defined(TARGET_I386)
31 X86CPU *x86_cpu = X86_CPU(cpu);
32 CPUX86State *env = &x86_cpu->env;
33#elif defined(TARGET_PPC)
34 PowerPCCPU *ppc_cpu = POWERPC_CPU(cpu);
35 CPUPPCState *env = &ppc_cpu->env;
36#elif defined(TARGET_SPARC)
37 SPARCCPU *sparc_cpu = SPARC_CPU(cpu);
38 CPUSPARCState *env = &sparc_cpu->env;
39#elif defined(TARGET_RISCV)
40 RISCVCPU *riscv_cpu = RISCV_CPU(cpu);
41 CPURISCVState *env = &riscv_cpu->env;
42#elif defined(TARGET_MIPS)
43 MIPSCPU *mips_cpu = MIPS_CPU(cpu);
44 CPUMIPSState *env = &mips_cpu->env;
45#elif defined(TARGET_TRICORE)
46 TriCoreCPU *tricore_cpu = TRICORE_CPU(cpu);
47 CPUTriCoreState *env = &tricore_cpu->env;
48#elif defined(TARGET_S390X)
49 S390CPU *s390_cpu = S390_CPU(cpu);
50 CPUS390XState *env = &s390_cpu->env;
51#endif
52
53 cpu_synchronize_state(cpu);
54
55 info = g_malloc0(sizeof(*info));
56 info->value = g_malloc0(sizeof(*info->value));
57 info->value->CPU = cpu->cpu_index;
58 info->value->current = (cpu == first_cpu);
59 info->value->halted = cpu->halted;
60 info->value->qom_path = object_get_canonical_path(OBJECT(cpu));
61 info->value->thread_id = cpu->thread_id;
62#if defined(TARGET_I386)
63 info->value->arch = CPU_INFO_ARCH_X86;
64 info->value->u.x86.pc = env->eip + env->segs[R_CS].base;
65#elif defined(TARGET_PPC)
66 info->value->arch = CPU_INFO_ARCH_PPC;
67 info->value->u.ppc.nip = env->nip;
68#elif defined(TARGET_SPARC)
69 info->value->arch = CPU_INFO_ARCH_SPARC;
70 info->value->u.q_sparc.pc = env->pc;
71 info->value->u.q_sparc.npc = env->npc;
72#elif defined(TARGET_MIPS)
73 info->value->arch = CPU_INFO_ARCH_MIPS;
74 info->value->u.q_mips.PC = env->active_tc.PC;
75#elif defined(TARGET_TRICORE)
76 info->value->arch = CPU_INFO_ARCH_TRICORE;
77 info->value->u.tricore.PC = env->PC;
78#elif defined(TARGET_S390X)
79 info->value->arch = CPU_INFO_ARCH_S390;
80 info->value->u.s390.cpu_state = env->cpu_state;
81#elif defined(TARGET_RISCV)
82 info->value->arch = CPU_INFO_ARCH_RISCV;
83 info->value->u.riscv.pc = env->pc;
84#else
85 info->value->arch = CPU_INFO_ARCH_OTHER;
86#endif
87 info->value->has_props = !!mc->cpu_index_to_instance_props;
88 if (info->value->has_props) {
89 CpuInstanceProperties *props;
90 props = g_malloc0(sizeof(*props));
91 *props = mc->cpu_index_to_instance_props(ms, cpu->cpu_index);
92 info->value->props = props;
93 }
94
95
96 if (!cur_item) {
97 head = cur_item = info;
98 } else {
99 cur_item->next = info;
100 cur_item = info;
101 }
102 }
103
104 return head;
105}
106
107static CpuInfoArch sysemu_target_to_cpuinfo_arch(SysEmuTarget target)
108{
109
110
111
112
113 switch (target) {
114 case SYS_EMU_TARGET_I386:
115 case SYS_EMU_TARGET_X86_64:
116 return CPU_INFO_ARCH_X86;
117
118 case SYS_EMU_TARGET_PPC:
119 case SYS_EMU_TARGET_PPC64:
120 return CPU_INFO_ARCH_PPC;
121
122 case SYS_EMU_TARGET_SPARC:
123 case SYS_EMU_TARGET_SPARC64:
124 return CPU_INFO_ARCH_SPARC;
125
126 case SYS_EMU_TARGET_MIPS:
127 case SYS_EMU_TARGET_MIPSEL:
128 case SYS_EMU_TARGET_MIPS64:
129 case SYS_EMU_TARGET_MIPS64EL:
130 return CPU_INFO_ARCH_MIPS;
131
132 case SYS_EMU_TARGET_TRICORE:
133 return CPU_INFO_ARCH_TRICORE;
134
135 case SYS_EMU_TARGET_S390X:
136 return CPU_INFO_ARCH_S390;
137
138 case SYS_EMU_TARGET_RISCV32:
139 case SYS_EMU_TARGET_RISCV64:
140 return CPU_INFO_ARCH_RISCV;
141
142 default:
143 return CPU_INFO_ARCH_OTHER;
144 }
145}
146
147static void cpustate_to_cpuinfo_s390(CpuInfoS390 *info, const CPUState *cpu)
148{
149#ifdef TARGET_S390X
150 S390CPU *s390_cpu = S390_CPU(cpu);
151 CPUS390XState *env = &s390_cpu->env;
152
153 info->cpu_state = env->cpu_state;
154#else
155 abort();
156#endif
157}
158
159
160
161
162
163CpuInfoFastList *qmp_query_cpus_fast(Error **errp)
164{
165 MachineState *ms = MACHINE(qdev_get_machine());
166 MachineClass *mc = MACHINE_GET_CLASS(ms);
167 CpuInfoFastList *head = NULL, *cur_item = NULL;
168 SysEmuTarget target = qapi_enum_parse(&SysEmuTarget_lookup, TARGET_NAME,
169 -1, &error_abort);
170 CPUState *cpu;
171
172 CPU_FOREACH(cpu) {
173 CpuInfoFastList *info = g_malloc0(sizeof(*info));
174 info->value = g_malloc0(sizeof(*info->value));
175
176 info->value->cpu_index = cpu->cpu_index;
177 info->value->qom_path = object_get_canonical_path(OBJECT(cpu));
178 info->value->thread_id = cpu->thread_id;
179
180 info->value->has_props = !!mc->cpu_index_to_instance_props;
181 if (info->value->has_props) {
182 CpuInstanceProperties *props;
183 props = g_malloc0(sizeof(*props));
184 *props = mc->cpu_index_to_instance_props(ms, cpu->cpu_index);
185 info->value->props = props;
186 }
187
188 info->value->arch = sysemu_target_to_cpuinfo_arch(target);
189 info->value->target = target;
190 if (target == SYS_EMU_TARGET_S390X) {
191 cpustate_to_cpuinfo_s390(&info->value->u.s390x, cpu);
192 }
193
194 if (!cur_item) {
195 head = cur_item = info;
196 } else {
197 cur_item->next = info;
198 cur_item = info;
199 }
200 }
201
202 return head;
203}
204
205MachineInfoList *qmp_query_machines(Error **errp)
206{
207 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
208 MachineInfoList *mach_list = NULL;
209
210 for (el = machines; el; el = el->next) {
211 MachineClass *mc = el->data;
212 MachineInfoList *entry;
213 MachineInfo *info;
214
215 info = g_malloc0(sizeof(*info));
216 if (mc->is_default) {
217 info->has_is_default = true;
218 info->is_default = true;
219 }
220
221 if (mc->alias) {
222 info->has_alias = true;
223 info->alias = g_strdup(mc->alias);
224 }
225
226 info->name = g_strdup(mc->name);
227 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
228 info->hotpluggable_cpus = mc->has_hotpluggable_cpus;
229 info->numa_mem_supported = mc->numa_mem_supported;
230 info->deprecated = !!mc->deprecation_reason;
231
232 entry = g_malloc0(sizeof(*entry));
233 entry->value = info;
234 entry->next = mach_list;
235 mach_list = entry;
236 }
237
238 g_slist_free(machines);
239 return mach_list;
240}
241
242CurrentMachineParams *qmp_query_current_machine(Error **errp)
243{
244 CurrentMachineParams *params = g_malloc0(sizeof(*params));
245 params->wakeup_suspend_support = qemu_wakeup_suspend_enabled();
246
247 return params;
248}
249
250HotpluggableCPUList *qmp_query_hotpluggable_cpus(Error **errp)
251{
252 MachineState *ms = MACHINE(qdev_get_machine());
253 MachineClass *mc = MACHINE_GET_CLASS(ms);
254
255 if (!mc->has_hotpluggable_cpus) {
256 error_setg(errp, QERR_FEATURE_DISABLED, "query-hotpluggable-cpus");
257 return NULL;
258 }
259
260 return machine_query_hotpluggable_cpus(ms);
261}
262
263void qmp_cpu_add(int64_t id, Error **errp)
264{
265 MachineClass *mc;
266
267 mc = MACHINE_GET_CLASS(current_machine);
268 if (mc->hot_add_cpu) {
269 mc->hot_add_cpu(current_machine, id, errp);
270 } else {
271 error_setg(errp, "Not supported");
272 }
273}
274
275void qmp_set_numa_node(NumaOptions *cmd, Error **errp)
276{
277 if (!runstate_check(RUN_STATE_PRECONFIG)) {
278 error_setg(errp, "The command is permitted only in '%s' state",
279 RunState_str(RUN_STATE_PRECONFIG));
280 return;
281 }
282
283 set_numa_options(MACHINE(qdev_get_machine()), cmd, errp);
284}
285
286static int query_memdev(Object *obj, void *opaque)
287{
288 MemdevList **list = opaque;
289 MemdevList *m = NULL;
290
291 if (object_dynamic_cast(obj, TYPE_MEMORY_BACKEND)) {
292 m = g_malloc0(sizeof(*m));
293
294 m->value = g_malloc0(sizeof(*m->value));
295
296 m->value->id = object_get_canonical_path_component(obj);
297 m->value->has_id = !!m->value->id;
298
299 m->value->size = object_property_get_uint(obj, "size",
300 &error_abort);
301 m->value->merge = object_property_get_bool(obj, "merge",
302 &error_abort);
303 m->value->dump = object_property_get_bool(obj, "dump",
304 &error_abort);
305 m->value->prealloc = object_property_get_bool(obj,
306 "prealloc",
307 &error_abort);
308 m->value->policy = object_property_get_enum(obj,
309 "policy",
310 "HostMemPolicy",
311 &error_abort);
312 object_property_get_uint16List(obj, "host-nodes",
313 &m->value->host_nodes,
314 &error_abort);
315
316 m->next = *list;
317 *list = m;
318 }
319
320 return 0;
321}
322
323MemdevList *qmp_query_memdev(Error **errp)
324{
325 Object *obj = object_get_objects_root();
326 MemdevList *list = NULL;
327
328 object_child_foreach(obj, query_memdev, &list);
329 return list;
330}
331