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Commit | Line | Data |
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ee46d8a5 AL |
1 | /* |
2 | * Dynamic device configuration and creation. | |
3 | * | |
4 | * Copyright (c) 2009 CodeSourcery | |
5 | * | |
6 | * This library is free software; you can redistribute it and/or | |
7 | * modify it under the terms of the GNU Lesser General Public | |
8 | * License as published by the Free Software Foundation; either | |
61f3c91a | 9 | * version 2.1 of the License, or (at your option) any later version. |
ee46d8a5 AL |
10 | * |
11 | * This library is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | * Lesser General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU Lesser General Public | |
17 | * License along with this library; if not, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
d38ea87a | 20 | #include "qemu/osdep.h" |
2f7bd829 | 21 | #include "hw/sysbus.h" |
d94bd092 | 22 | #include "monitor/hmp.h" |
83c9089e | 23 | #include "monitor/monitor.h" |
b4a42f81 | 24 | #include "monitor/qdev.h" |
9c17d615 | 25 | #include "sysemu/arch_init.h" |
e688df6b | 26 | #include "qapi/error.h" |
c577ff62 | 27 | #include "qapi/qapi-commands-qdev.h" |
164dafd1 | 28 | #include "qapi/qmp/dispatch.h" |
452fcdbc | 29 | #include "qapi/qmp/qdict.h" |
cc7a8ea7 | 30 | #include "qapi/qmp/qerror.h" |
1de7afc9 | 31 | #include "qemu/config-file.h" |
d49b6836 | 32 | #include "qemu/error-report.h" |
f348b6d1 | 33 | #include "qemu/help_option.h" |
922a01a0 | 34 | #include "qemu/option.h" |
8acb2a75 | 35 | #include "qemu/qemu-print.h" |
f3a85056 | 36 | #include "qemu/option_int.h" |
9680caee | 37 | #include "sysemu/block-backend.h" |
d5938f29 | 38 | #include "sysemu/sysemu.h" |
c4b63b7c | 39 | #include "migration/misc.h" |
f3a85056 | 40 | #include "migration/migration.h" |
e1043d67 | 41 | #include "qemu/cutils.h" |
d3fd6e73 | 42 | #include "hw/qdev-properties.h" |
9f2ff99c | 43 | #include "hw/clock.h" |
ee46d8a5 AL |
44 | |
45 | /* | |
46 | * Aliases were a bad idea from the start. Let's keep them | |
47 | * from spreading further. | |
48 | */ | |
49 | typedef struct QDevAlias | |
50 | { | |
51 | const char *typename; | |
52 | const char *alias; | |
5f629d94 | 53 | uint32_t arch_mask; |
ee46d8a5 AL |
54 | } QDevAlias; |
55 | ||
36e99168 | 56 | /* Please keep this table sorted by typename. */ |
ee46d8a5 | 57 | static const QDevAlias qdev_alias_table[] = { |
2957f5ad | 58 | { "AC97", "ac97" }, /* -soundhw name */ |
36e99168 | 59 | { "e1000", "e1000-82540em" }, |
0e933feb | 60 | { "ES1370", "es1370" }, /* -soundhw name */ |
36e99168 | 61 | { "ich9-ahci", "ahci" }, |
36e99168 | 62 | { "lsi53c895a", "lsi" }, |
588c36ca SS |
63 | { "virtio-9p-ccw", "virtio-9p", QEMU_ARCH_S390X }, |
64 | { "virtio-9p-pci", "virtio-9p", QEMU_ARCH_ALL & ~QEMU_ARCH_S390X }, | |
65 | { "virtio-balloon-ccw", "virtio-balloon", QEMU_ARCH_S390X }, | |
5f629d94 AG |
66 | { "virtio-balloon-pci", "virtio-balloon", |
67 | QEMU_ARCH_ALL & ~QEMU_ARCH_S390X }, | |
1f68f1d3 | 68 | { "virtio-blk-ccw", "virtio-blk", QEMU_ARCH_S390X }, |
36e99168 | 69 | { "virtio-blk-pci", "virtio-blk", QEMU_ARCH_ALL & ~QEMU_ARCH_S390X }, |
588c36ca SS |
70 | { "virtio-gpu-ccw", "virtio-gpu", QEMU_ARCH_S390X }, |
71 | { "virtio-gpu-pci", "virtio-gpu", QEMU_ARCH_ALL & ~QEMU_ARCH_S390X }, | |
72 | { "virtio-input-host-ccw", "virtio-input-host", QEMU_ARCH_S390X }, | |
73 | { "virtio-input-host-pci", "virtio-input-host", | |
74 | QEMU_ARCH_ALL & ~QEMU_ARCH_S390X }, | |
8b4eb09e | 75 | { "virtio-iommu-pci", "virtio-iommu", QEMU_ARCH_ALL & ~QEMU_ARCH_S390X }, |
588c36ca SS |
76 | { "virtio-keyboard-ccw", "virtio-keyboard", QEMU_ARCH_S390X }, |
77 | { "virtio-keyboard-pci", "virtio-keyboard", | |
78 | QEMU_ARCH_ALL & ~QEMU_ARCH_S390X }, | |
79 | { "virtio-mouse-ccw", "virtio-mouse", QEMU_ARCH_S390X }, | |
80 | { "virtio-mouse-pci", "virtio-mouse", QEMU_ARCH_ALL & ~QEMU_ARCH_S390X }, | |
1f68f1d3 | 81 | { "virtio-net-ccw", "virtio-net", QEMU_ARCH_S390X }, |
36e99168 | 82 | { "virtio-net-pci", "virtio-net", QEMU_ARCH_ALL & ~QEMU_ARCH_S390X }, |
588c36ca SS |
83 | { "virtio-rng-ccw", "virtio-rng", QEMU_ARCH_S390X }, |
84 | { "virtio-rng-pci", "virtio-rng", QEMU_ARCH_ALL & ~QEMU_ARCH_S390X }, | |
85 | { "virtio-scsi-ccw", "virtio-scsi", QEMU_ARCH_S390X }, | |
86 | { "virtio-scsi-pci", "virtio-scsi", QEMU_ARCH_ALL & ~QEMU_ARCH_S390X }, | |
1f68f1d3 | 87 | { "virtio-serial-ccw", "virtio-serial", QEMU_ARCH_S390X }, |
36e99168 | 88 | { "virtio-serial-pci", "virtio-serial", QEMU_ARCH_ALL & ~QEMU_ARCH_S390X }, |
588c36ca SS |
89 | { "virtio-tablet-ccw", "virtio-tablet", QEMU_ARCH_S390X }, |
90 | { "virtio-tablet-pci", "virtio-tablet", QEMU_ARCH_ALL & ~QEMU_ARCH_S390X }, | |
ee46d8a5 AL |
91 | { } |
92 | }; | |
93 | ||
94 | static const char *qdev_class_get_alias(DeviceClass *dc) | |
95 | { | |
96 | const char *typename = object_class_get_name(OBJECT_CLASS(dc)); | |
97 | int i; | |
98 | ||
99 | for (i = 0; qdev_alias_table[i].typename; i++) { | |
5f629d94 AG |
100 | if (qdev_alias_table[i].arch_mask && |
101 | !(qdev_alias_table[i].arch_mask & arch_type)) { | |
102 | continue; | |
103 | } | |
104 | ||
ee46d8a5 AL |
105 | if (strcmp(qdev_alias_table[i].typename, typename) == 0) { |
106 | return qdev_alias_table[i].alias; | |
107 | } | |
108 | } | |
109 | ||
110 | return NULL; | |
111 | } | |
112 | ||
113 | static bool qdev_class_has_alias(DeviceClass *dc) | |
114 | { | |
115 | return (qdev_class_get_alias(dc) != NULL); | |
116 | } | |
117 | ||
a3400aee | 118 | static void qdev_print_devinfo(DeviceClass *dc) |
ee46d8a5 | 119 | { |
8acb2a75 | 120 | qemu_printf("name \"%s\"", object_class_get_name(OBJECT_CLASS(dc))); |
0d936928 | 121 | if (dc->bus_type) { |
8acb2a75 | 122 | qemu_printf(", bus %s", dc->bus_type); |
ee46d8a5 AL |
123 | } |
124 | if (qdev_class_has_alias(dc)) { | |
8acb2a75 | 125 | qemu_printf(", alias \"%s\"", qdev_class_get_alias(dc)); |
ee46d8a5 AL |
126 | } |
127 | if (dc->desc) { | |
8acb2a75 | 128 | qemu_printf(", desc \"%s\"", dc->desc); |
ee46d8a5 | 129 | } |
e90f2a8c | 130 | if (!dc->user_creatable) { |
8acb2a75 | 131 | qemu_printf(", no-user"); |
ee46d8a5 | 132 | } |
8acb2a75 | 133 | qemu_printf("\n"); |
ee46d8a5 AL |
134 | } |
135 | ||
a3400aee MA |
136 | static void qdev_print_devinfos(bool show_no_user) |
137 | { | |
138 | static const char *cat_name[DEVICE_CATEGORY_MAX + 1] = { | |
139 | [DEVICE_CATEGORY_BRIDGE] = "Controller/Bridge/Hub", | |
140 | [DEVICE_CATEGORY_USB] = "USB", | |
141 | [DEVICE_CATEGORY_STORAGE] = "Storage", | |
142 | [DEVICE_CATEGORY_NETWORK] = "Network", | |
143 | [DEVICE_CATEGORY_INPUT] = "Input", | |
144 | [DEVICE_CATEGORY_DISPLAY] = "Display", | |
145 | [DEVICE_CATEGORY_SOUND] = "Sound", | |
146 | [DEVICE_CATEGORY_MISC] = "Misc", | |
ba31cc72 | 147 | [DEVICE_CATEGORY_CPU] = "CPU", |
a3400aee MA |
148 | [DEVICE_CATEGORY_MAX] = "Uncategorized", |
149 | }; | |
150 | GSList *list, *elt; | |
151 | int i; | |
152 | bool cat_printed; | |
153 | ||
7ab6e7fc | 154 | module_load_qom_all(); |
47c66009 | 155 | list = object_class_get_list_sorted(TYPE_DEVICE, false); |
a3400aee MA |
156 | |
157 | for (i = 0; i <= DEVICE_CATEGORY_MAX; i++) { | |
158 | cat_printed = false; | |
159 | for (elt = list; elt; elt = elt->next) { | |
160 | DeviceClass *dc = OBJECT_CLASS_CHECK(DeviceClass, elt->data, | |
161 | TYPE_DEVICE); | |
162 | if ((i < DEVICE_CATEGORY_MAX | |
163 | ? !test_bit(i, dc->categories) | |
164 | : !bitmap_empty(dc->categories, DEVICE_CATEGORY_MAX)) | |
efec3dd6 | 165 | || (!show_no_user |
e90f2a8c | 166 | && !dc->user_creatable)) { |
a3400aee MA |
167 | continue; |
168 | } | |
169 | if (!cat_printed) { | |
8acb2a75 | 170 | qemu_printf("%s%s devices:\n", i ? "\n" : "", cat_name[i]); |
a3400aee MA |
171 | cat_printed = true; |
172 | } | |
173 | qdev_print_devinfo(dc); | |
174 | } | |
175 | } | |
176 | ||
177 | g_slist_free(list); | |
178 | } | |
179 | ||
71df1d83 MA |
180 | static int set_property(void *opaque, const char *name, const char *value, |
181 | Error **errp) | |
ee46d8a5 | 182 | { |
98a65284 | 183 | Object *obj = opaque; |
ee46d8a5 AL |
184 | |
185 | if (strcmp(name, "driver") == 0) | |
186 | return 0; | |
187 | if (strcmp(name, "bus") == 0) | |
188 | return 0; | |
189 | ||
668f62ec | 190 | if (!object_property_parse(obj, name, value, errp)) { |
ee46d8a5 AL |
191 | return -1; |
192 | } | |
193 | return 0; | |
194 | } | |
195 | ||
196 | static const char *find_typename_by_alias(const char *alias) | |
197 | { | |
198 | int i; | |
199 | ||
200 | for (i = 0; qdev_alias_table[i].alias; i++) { | |
5f629d94 AG |
201 | if (qdev_alias_table[i].arch_mask && |
202 | !(qdev_alias_table[i].arch_mask & arch_type)) { | |
203 | continue; | |
204 | } | |
205 | ||
ee46d8a5 AL |
206 | if (strcmp(qdev_alias_table[i].alias, alias) == 0) { |
207 | return qdev_alias_table[i].typename; | |
208 | } | |
209 | } | |
210 | ||
211 | return NULL; | |
212 | } | |
213 | ||
43c95d78 EH |
214 | static DeviceClass *qdev_get_device_class(const char **driver, Error **errp) |
215 | { | |
216 | ObjectClass *oc; | |
217 | DeviceClass *dc; | |
f6b5319d | 218 | const char *original_name = *driver; |
43c95d78 | 219 | |
7ab6e7fc | 220 | oc = module_object_class_by_name(*driver); |
43c95d78 EH |
221 | if (!oc) { |
222 | const char *typename = find_typename_by_alias(*driver); | |
223 | ||
224 | if (typename) { | |
225 | *driver = typename; | |
7ab6e7fc | 226 | oc = module_object_class_by_name(*driver); |
43c95d78 EH |
227 | } |
228 | } | |
229 | ||
230 | if (!object_class_dynamic_cast(oc, TYPE_DEVICE)) { | |
f6b5319d SS |
231 | if (*driver != original_name) { |
232 | error_setg(errp, "'%s' (alias '%s') is not a valid device model" | |
233 | " name", original_name, *driver); | |
234 | } else { | |
235 | error_setg(errp, "'%s' is not a valid device model name", *driver); | |
236 | } | |
43c95d78 EH |
237 | return NULL; |
238 | } | |
239 | ||
240 | if (object_class_is_abstract(oc)) { | |
c6bd8c70 | 241 | error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "driver", |
6cc0667d | 242 | "a non-abstract device type"); |
43c95d78 EH |
243 | return NULL; |
244 | } | |
245 | ||
246 | dc = DEVICE_CLASS(oc); | |
e90f2a8c | 247 | if (!dc->user_creatable || |
2f181fbd | 248 | (phase_check(PHASE_MACHINE_READY) && !dc->hotpluggable)) { |
c6bd8c70 | 249 | error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "driver", |
6cc0667d | 250 | "a pluggable device type"); |
43c95d78 EH |
251 | return NULL; |
252 | } | |
253 | ||
254 | return dc; | |
255 | } | |
256 | ||
257 | ||
ee46d8a5 AL |
258 | int qdev_device_help(QemuOpts *opts) |
259 | { | |
ef523587 | 260 | Error *local_err = NULL; |
ee46d8a5 | 261 | const char *driver; |
35f63767 AK |
262 | ObjectPropertyInfoList *prop_list; |
263 | ObjectPropertyInfoList *prop; | |
e1043d67 MAL |
264 | GPtrArray *array; |
265 | int i; | |
ee46d8a5 AL |
266 | |
267 | driver = qemu_opt_get(opts, "driver"); | |
c8057f95 | 268 | if (driver && is_help_option(driver)) { |
a3400aee | 269 | qdev_print_devinfos(false); |
ee46d8a5 AL |
270 | return 1; |
271 | } | |
272 | ||
c8057f95 | 273 | if (!driver || !qemu_opt_has_help_opt(opts)) { |
ee46d8a5 AL |
274 | return 0; |
275 | } | |
276 | ||
33fe9683 MA |
277 | if (!object_class_by_name(driver)) { |
278 | const char *typename = find_typename_by_alias(driver); | |
279 | ||
280 | if (typename) { | |
281 | driver = typename; | |
282 | } | |
ee46d8a5 AL |
283 | } |
284 | ||
ef523587 | 285 | prop_list = qmp_device_list_properties(driver, &local_err); |
0722eba9 | 286 | if (local_err) { |
5185f0e0 | 287 | goto error; |
ee46d8a5 | 288 | } |
ef523587 | 289 | |
9c2762b4 | 290 | if (prop_list) { |
8acb2a75 | 291 | qemu_printf("%s options:\n", driver); |
9c2762b4 | 292 | } else { |
8acb2a75 | 293 | qemu_printf("There are no options for %s.\n", driver); |
9c2762b4 | 294 | } |
e1043d67 | 295 | array = g_ptr_array_new(); |
ef523587 | 296 | for (prop = prop_list; prop; prop = prop->next) { |
e1043d67 MAL |
297 | g_ptr_array_add(array, |
298 | object_property_help(prop->value->name, | |
299 | prop->value->type, | |
300 | prop->value->default_value, | |
301 | prop->value->description)); | |
ef523587 | 302 | } |
e1043d67 MAL |
303 | g_ptr_array_sort(array, (GCompareFunc)qemu_pstrcmp0); |
304 | for (i = 0; i < array->len; i++) { | |
029afc4e | 305 | qemu_printf("%s\n", (char *)array->pdata[i]); |
e1043d67 MAL |
306 | } |
307 | g_ptr_array_set_free_func(array, g_free); | |
308 | g_ptr_array_free(array, true); | |
35f63767 | 309 | qapi_free_ObjectPropertyInfoList(prop_list); |
ee46d8a5 | 310 | return 1; |
5185f0e0 EH |
311 | |
312 | error: | |
78288671 | 313 | error_report_err(local_err); |
5185f0e0 | 314 | return 1; |
ee46d8a5 AL |
315 | } |
316 | ||
57c9fafe | 317 | static Object *qdev_get_peripheral(void) |
ee46d8a5 | 318 | { |
8b45d447 | 319 | static Object *dev; |
ee46d8a5 AL |
320 | |
321 | if (dev == NULL) { | |
dfe47e70 | 322 | dev = container_get(qdev_get_machine(), "/peripheral"); |
ee46d8a5 AL |
323 | } |
324 | ||
8b45d447 | 325 | return dev; |
ee46d8a5 AL |
326 | } |
327 | ||
57c9fafe | 328 | static Object *qdev_get_peripheral_anon(void) |
ee46d8a5 | 329 | { |
8b45d447 | 330 | static Object *dev; |
ee46d8a5 AL |
331 | |
332 | if (dev == NULL) { | |
dfe47e70 | 333 | dev = container_get(qdev_get_machine(), "/peripheral-anon"); |
ee46d8a5 AL |
334 | } |
335 | ||
8b45d447 | 336 | return dev; |
ee46d8a5 AL |
337 | } |
338 | ||
34077326 VSO |
339 | static void qbus_error_append_bus_list_hint(DeviceState *dev, |
340 | Error *const *errp) | |
ee46d8a5 AL |
341 | { |
342 | BusState *child; | |
343 | const char *sep = " "; | |
344 | ||
50b7b000 EB |
345 | error_append_hint(errp, "child buses at \"%s\":", |
346 | dev->id ? dev->id : object_get_typename(OBJECT(dev))); | |
ee46d8a5 | 347 | QLIST_FOREACH(child, &dev->child_bus, sibling) { |
50b7b000 | 348 | error_append_hint(errp, "%s\"%s\"", sep, child->name); |
ee46d8a5 AL |
349 | sep = ", "; |
350 | } | |
543202c0 | 351 | error_append_hint(errp, "\n"); |
ee46d8a5 AL |
352 | } |
353 | ||
34077326 VSO |
354 | static void qbus_error_append_dev_list_hint(BusState *bus, |
355 | Error *const *errp) | |
ee46d8a5 | 356 | { |
0866aca1 | 357 | BusChild *kid; |
ee46d8a5 AL |
358 | const char *sep = " "; |
359 | ||
50b7b000 | 360 | error_append_hint(errp, "devices at \"%s\":", bus->name); |
0866aca1 AL |
361 | QTAILQ_FOREACH(kid, &bus->children, sibling) { |
362 | DeviceState *dev = kid->child; | |
50b7b000 EB |
363 | error_append_hint(errp, "%s\"%s\"", sep, |
364 | object_get_typename(OBJECT(dev))); | |
365 | if (dev->id) { | |
366 | error_append_hint(errp, "/\"%s\"", dev->id); | |
367 | } | |
ee46d8a5 AL |
368 | sep = ", "; |
369 | } | |
543202c0 | 370 | error_append_hint(errp, "\n"); |
ee46d8a5 AL |
371 | } |
372 | ||
373 | static BusState *qbus_find_bus(DeviceState *dev, char *elem) | |
374 | { | |
375 | BusState *child; | |
376 | ||
377 | QLIST_FOREACH(child, &dev->child_bus, sibling) { | |
378 | if (strcmp(child->name, elem) == 0) { | |
379 | return child; | |
380 | } | |
381 | } | |
382 | return NULL; | |
383 | } | |
384 | ||
385 | static DeviceState *qbus_find_dev(BusState *bus, char *elem) | |
386 | { | |
0866aca1 | 387 | BusChild *kid; |
ee46d8a5 AL |
388 | |
389 | /* | |
390 | * try to match in order: | |
391 | * (1) instance id, if present | |
392 | * (2) driver name | |
393 | * (3) driver alias, if present | |
394 | */ | |
0866aca1 AL |
395 | QTAILQ_FOREACH(kid, &bus->children, sibling) { |
396 | DeviceState *dev = kid->child; | |
ee46d8a5 AL |
397 | if (dev->id && strcmp(dev->id, elem) == 0) { |
398 | return dev; | |
399 | } | |
400 | } | |
0866aca1 AL |
401 | QTAILQ_FOREACH(kid, &bus->children, sibling) { |
402 | DeviceState *dev = kid->child; | |
ee46d8a5 AL |
403 | if (strcmp(object_get_typename(OBJECT(dev)), elem) == 0) { |
404 | return dev; | |
405 | } | |
406 | } | |
0866aca1 AL |
407 | QTAILQ_FOREACH(kid, &bus->children, sibling) { |
408 | DeviceState *dev = kid->child; | |
ee46d8a5 AL |
409 | DeviceClass *dc = DEVICE_GET_CLASS(dev); |
410 | ||
411 | if (qdev_class_has_alias(dc) && | |
412 | strcmp(qdev_class_get_alias(dc), elem) == 0) { | |
413 | return dev; | |
414 | } | |
415 | } | |
416 | return NULL; | |
417 | } | |
418 | ||
a5ec494e MA |
419 | static inline bool qbus_is_full(BusState *bus) |
420 | { | |
421 | BusClass *bus_class = BUS_GET_CLASS(bus); | |
12b2e9f3 | 422 | return bus_class->max_dev && bus->num_children >= bus_class->max_dev; |
a5ec494e MA |
423 | } |
424 | ||
425 | /* | |
426 | * Search the tree rooted at @bus for a bus. | |
427 | * If @name, search for a bus with that name. Note that bus names | |
428 | * need not be unique. Yes, that's screwed up. | |
429 | * Else search for a bus that is a subtype of @bus_typename. | |
430 | * If more than one exists, prefer one that can take another device. | |
431 | * Return the bus if found, else %NULL. | |
432 | */ | |
ee46d8a5 | 433 | static BusState *qbus_find_recursive(BusState *bus, const char *name, |
0d936928 | 434 | const char *bus_typename) |
ee46d8a5 | 435 | { |
0866aca1 | 436 | BusChild *kid; |
a5ec494e MA |
437 | BusState *pick, *child, *ret; |
438 | bool match; | |
439 | ||
440 | assert(name || bus_typename); | |
441 | if (name) { | |
442 | match = !strcmp(bus->name, name); | |
443 | } else { | |
444 | match = !!object_dynamic_cast(OBJECT(bus), bus_typename); | |
1395af6f | 445 | } |
a5ec494e MA |
446 | |
447 | if (match && !qbus_is_full(bus)) { | |
448 | return bus; /* root matches and isn't full */ | |
ee46d8a5 AL |
449 | } |
450 | ||
a5ec494e MA |
451 | pick = match ? bus : NULL; |
452 | ||
0866aca1 AL |
453 | QTAILQ_FOREACH(kid, &bus->children, sibling) { |
454 | DeviceState *dev = kid->child; | |
ee46d8a5 | 455 | QLIST_FOREACH(child, &dev->child_bus, sibling) { |
0d936928 | 456 | ret = qbus_find_recursive(child, name, bus_typename); |
a5ec494e MA |
457 | if (ret && !qbus_is_full(ret)) { |
458 | return ret; /* a descendant matches and isn't full */ | |
459 | } | |
460 | if (ret && !pick) { | |
461 | pick = ret; | |
ee46d8a5 AL |
462 | } |
463 | } | |
464 | } | |
a5ec494e MA |
465 | |
466 | /* root or a descendant matches, but is full */ | |
467 | return pick; | |
ee46d8a5 AL |
468 | } |
469 | ||
d2828429 | 470 | static BusState *qbus_find(const char *path, Error **errp) |
ee46d8a5 AL |
471 | { |
472 | DeviceState *dev; | |
473 | BusState *bus; | |
474 | char elem[128]; | |
475 | int pos, len; | |
476 | ||
477 | /* find start element */ | |
478 | if (path[0] == '/') { | |
479 | bus = sysbus_get_default(); | |
480 | pos = 0; | |
481 | } else { | |
482 | if (sscanf(path, "%127[^/]%n", elem, &len) != 1) { | |
483 | assert(!path[0]); | |
484 | elem[0] = len = 0; | |
485 | } | |
486 | bus = qbus_find_recursive(sysbus_get_default(), elem, NULL); | |
487 | if (!bus) { | |
d2828429 | 488 | error_setg(errp, "Bus '%s' not found", elem); |
ee46d8a5 AL |
489 | return NULL; |
490 | } | |
491 | pos = len; | |
492 | } | |
493 | ||
494 | for (;;) { | |
495 | assert(path[pos] == '/' || !path[pos]); | |
496 | while (path[pos] == '/') { | |
497 | pos++; | |
498 | } | |
499 | if (path[pos] == '\0') { | |
ed238ba2 | 500 | break; |
ee46d8a5 AL |
501 | } |
502 | ||
503 | /* find device */ | |
504 | if (sscanf(path+pos, "%127[^/]%n", elem, &len) != 1) { | |
dfc6f865 | 505 | g_assert_not_reached(); |
ee46d8a5 AL |
506 | elem[0] = len = 0; |
507 | } | |
508 | pos += len; | |
509 | dev = qbus_find_dev(bus, elem); | |
510 | if (!dev) { | |
75158ebb MA |
511 | error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND, |
512 | "Device '%s' not found", elem); | |
34077326 | 513 | qbus_error_append_dev_list_hint(bus, errp); |
ee46d8a5 AL |
514 | return NULL; |
515 | } | |
516 | ||
517 | assert(path[pos] == '/' || !path[pos]); | |
518 | while (path[pos] == '/') { | |
519 | pos++; | |
520 | } | |
521 | if (path[pos] == '\0') { | |
522 | /* last specified element is a device. If it has exactly | |
523 | * one child bus accept it nevertheless */ | |
ed238ba2 MA |
524 | if (dev->num_child_bus == 1) { |
525 | bus = QLIST_FIRST(&dev->child_bus); | |
526 | break; | |
527 | } | |
528 | if (dev->num_child_bus) { | |
d2828429 MA |
529 | error_setg(errp, "Device '%s' has multiple child buses", |
530 | elem); | |
34077326 | 531 | qbus_error_append_bus_list_hint(dev, errp); |
ed238ba2 | 532 | } else { |
d2828429 | 533 | error_setg(errp, "Device '%s' has no child bus", elem); |
ee46d8a5 | 534 | } |
ed238ba2 | 535 | return NULL; |
ee46d8a5 AL |
536 | } |
537 | ||
538 | /* find bus */ | |
539 | if (sscanf(path+pos, "%127[^/]%n", elem, &len) != 1) { | |
dfc6f865 | 540 | g_assert_not_reached(); |
ee46d8a5 AL |
541 | elem[0] = len = 0; |
542 | } | |
543 | pos += len; | |
544 | bus = qbus_find_bus(dev, elem); | |
545 | if (!bus) { | |
d2828429 | 546 | error_setg(errp, "Bus '%s' not found", elem); |
34077326 | 547 | qbus_error_append_bus_list_hint(dev, errp); |
ee46d8a5 AL |
548 | return NULL; |
549 | } | |
550 | } | |
ed238ba2 MA |
551 | |
552 | if (qbus_is_full(bus)) { | |
d2828429 | 553 | error_setg(errp, "Bus '%s' is full", path); |
ed238ba2 MA |
554 | return NULL; |
555 | } | |
556 | return bus; | |
ee46d8a5 AL |
557 | } |
558 | ||
ce49b734 JG |
559 | void qdev_set_id(DeviceState *dev, const char *id) |
560 | { | |
561 | if (id) { | |
562 | dev->id = id; | |
563 | } | |
564 | ||
565 | if (dev->id) { | |
566 | object_property_add_child(qdev_get_peripheral(), dev->id, | |
d2623129 | 567 | OBJECT(dev)); |
ce49b734 JG |
568 | } else { |
569 | static int anon_count; | |
570 | gchar *name = g_strdup_printf("device[%d]", anon_count++); | |
571 | object_property_add_child(qdev_get_peripheral_anon(), name, | |
d2623129 | 572 | OBJECT(dev)); |
ce49b734 JG |
573 | g_free(name); |
574 | } | |
575 | } | |
576 | ||
f006cf7f | 577 | DeviceState *qdev_device_add(QemuOpts *opts, Error **errp) |
ee46d8a5 | 578 | { |
f4d85795 | 579 | DeviceClass *dc; |
ce49b734 | 580 | const char *driver, *path; |
f3a85056 | 581 | DeviceState *dev = NULL; |
2f7bd829 | 582 | BusState *bus = NULL; |
ee46d8a5 AL |
583 | |
584 | driver = qemu_opt_get(opts, "driver"); | |
585 | if (!driver) { | |
c6bd8c70 | 586 | error_setg(errp, QERR_MISSING_PARAMETER, "driver"); |
ee46d8a5 AL |
587 | return NULL; |
588 | } | |
589 | ||
590 | /* find driver */ | |
f006cf7f MA |
591 | dc = qdev_get_device_class(&driver, errp); |
592 | if (!dc) { | |
7ea5e78f MA |
593 | return NULL; |
594 | } | |
ee46d8a5 AL |
595 | |
596 | /* find bus */ | |
597 | path = qemu_opt_get(opts, "bus"); | |
598 | if (path != NULL) { | |
f006cf7f | 599 | bus = qbus_find(path, errp); |
ee46d8a5 AL |
600 | if (!bus) { |
601 | return NULL; | |
602 | } | |
f4d85795 | 603 | if (!object_dynamic_cast(OBJECT(bus), dc->bus_type)) { |
f006cf7f MA |
604 | error_setg(errp, "Device '%s' can't go on %s bus", |
605 | driver, object_get_typename(OBJECT(bus))); | |
ee46d8a5 AL |
606 | return NULL; |
607 | } | |
f4d85795 AF |
608 | } else if (dc->bus_type != NULL) { |
609 | bus = qbus_find_recursive(sysbus_get_default(), NULL, dc->bus_type); | |
a5ec494e | 610 | if (!bus || qbus_is_full(bus)) { |
f006cf7f MA |
611 | error_setg(errp, "No '%s' bus found for device '%s'", |
612 | dc->bus_type, driver); | |
ee46d8a5 AL |
613 | return NULL; |
614 | } | |
615 | } | |
f3a85056 | 616 | |
2e280953 | 617 | if (qemu_opt_get(opts, "failover_pair_id")) { |
fec037c1 JQ |
618 | if (!opts->id) { |
619 | error_setg(errp, "Device with failover_pair_id don't have id"); | |
620 | return NULL; | |
621 | } | |
2e280953 JQ |
622 | if (qdev_should_hide_device(opts)) { |
623 | if (bus && !qbus_is_hotpluggable(bus)) { | |
624 | error_setg(errp, QERR_BUS_NO_HOTPLUG, bus->name); | |
625 | } | |
626 | return NULL; | |
5f2ef3b0 | 627 | } |
ee46d8a5 AL |
628 | } |
629 | ||
2f181fbd | 630 | if (phase_check(PHASE_MACHINE_READY) && bus && !qbus_is_hotpluggable(bus)) { |
5f2ef3b0 | 631 | error_setg(errp, QERR_BUS_NO_HOTPLUG, bus->name); |
f3a85056 JF |
632 | return NULL; |
633 | } | |
634 | ||
b06424de JQ |
635 | if (!migration_is_idle()) { |
636 | error_setg(errp, "device_add not allowed while migrating"); | |
637 | return NULL; | |
638 | } | |
639 | ||
7b030949 | 640 | /* create device */ |
4e3a6778 | 641 | dev = qdev_new(driver); |
2f7bd829 | 642 | |
d2321d31 | 643 | /* Check whether the hotplug is allowed by the machine */ |
2f181fbd PB |
644 | if (phase_check(PHASE_MACHINE_READY)) { |
645 | if (!qdev_hotplug_allowed(dev, errp)) { | |
646 | goto err_del_dev; | |
647 | } | |
d2321d31 | 648 | |
2f181fbd PB |
649 | if (!bus && !qdev_get_machine_hotplug_handler(dev)) { |
650 | /* No bus, no machine hotplug handler --> device is not hotpluggable */ | |
651 | error_setg(errp, "Device '%s' can not be hotplugged on this machine", | |
652 | driver); | |
653 | goto err_del_dev; | |
654 | } | |
2f7bd829 | 655 | } |
ee46d8a5 | 656 | |
ce49b734 | 657 | qdev_set_id(dev, qemu_opts_id(opts)); |
52aa17cb | 658 | |
7b030949 | 659 | /* set properties */ |
992861fb | 660 | if (qemu_opt_foreach(opts, set_property, dev, errp)) { |
58346214 | 661 | goto err_del_dev; |
7b030949 AK |
662 | } |
663 | ||
52aa17cb | 664 | dev->opts = opts; |
992861fb | 665 | if (!qdev_realize(DEVICE(dev), bus, errp)) { |
52aa17cb | 666 | dev->opts = NULL; |
58346214 | 667 | goto err_del_dev; |
f424d5c4 | 668 | } |
2bcb0c62 | 669 | return dev; |
58346214 TH |
670 | |
671 | err_del_dev: | |
f3a85056 JF |
672 | if (dev) { |
673 | object_unparent(OBJECT(dev)); | |
674 | object_unref(OBJECT(dev)); | |
675 | } | |
58346214 | 676 | return NULL; |
ee46d8a5 AL |
677 | } |
678 | ||
679 | ||
680 | #define qdev_printf(fmt, ...) monitor_printf(mon, "%*s" fmt, indent, "", ## __VA_ARGS__) | |
681 | static void qbus_print(Monitor *mon, BusState *bus, int indent); | |
682 | ||
683 | static void qdev_print_props(Monitor *mon, DeviceState *dev, Property *props, | |
bce54474 | 684 | int indent) |
ee46d8a5 | 685 | { |
ee46d8a5 AL |
686 | if (!props) |
687 | return; | |
d822979b | 688 | for (; props->name; props++) { |
d822979b PB |
689 | char *value; |
690 | char *legacy_name = g_strdup_printf("legacy-%s", props->name); | |
a43770df | 691 | |
d822979b | 692 | if (object_property_get_type(OBJECT(dev), legacy_name, NULL)) { |
a43770df | 693 | value = object_property_get_str(OBJECT(dev), legacy_name, NULL); |
d822979b | 694 | } else { |
a43770df MA |
695 | value = object_property_print(OBJECT(dev), props->name, true, |
696 | NULL); | |
d822979b PB |
697 | } |
698 | g_free(legacy_name); | |
699 | ||
a43770df | 700 | if (!value) { |
d822979b | 701 | continue; |
ee46d8a5 | 702 | } |
bce54474 | 703 | qdev_printf("%s = %s\n", props->name, |
a43770df | 704 | *value ? value : "<null>"); |
d822979b | 705 | g_free(value); |
ee46d8a5 AL |
706 | } |
707 | } | |
708 | ||
0d936928 AL |
709 | static void bus_print_dev(BusState *bus, Monitor *mon, DeviceState *dev, int indent) |
710 | { | |
711 | BusClass *bc = BUS_GET_CLASS(bus); | |
712 | ||
713 | if (bc->print_dev) { | |
714 | bc->print_dev(mon, dev, indent); | |
715 | } | |
716 | } | |
717 | ||
ee46d8a5 AL |
718 | static void qdev_print(Monitor *mon, DeviceState *dev, int indent) |
719 | { | |
bce54474 | 720 | ObjectClass *class; |
ee46d8a5 | 721 | BusState *child; |
a5f54290 | 722 | NamedGPIOList *ngl; |
9f2ff99c | 723 | NamedClockList *ncl; |
a5f54290 | 724 | |
ee46d8a5 AL |
725 | qdev_printf("dev: %s, id \"%s\"\n", object_get_typename(OBJECT(dev)), |
726 | dev->id ? dev->id : ""); | |
727 | indent += 2; | |
a5f54290 PC |
728 | QLIST_FOREACH(ngl, &dev->gpios, node) { |
729 | if (ngl->num_in) { | |
730 | qdev_printf("gpio-in \"%s\" %d\n", ngl->name ? ngl->name : "", | |
731 | ngl->num_in); | |
732 | } | |
733 | if (ngl->num_out) { | |
734 | qdev_printf("gpio-out \"%s\" %d\n", ngl->name ? ngl->name : "", | |
735 | ngl->num_out); | |
736 | } | |
ee46d8a5 | 737 | } |
9f2ff99c DH |
738 | QLIST_FOREACH(ncl, &dev->clocks, node) { |
739 | qdev_printf("clock-%s%s \"%s\" freq_hz=%e\n", | |
740 | ncl->output ? "out" : "in", | |
741 | ncl->alias ? " (alias)" : "", | |
742 | ncl->name, | |
743 | CLOCK_PERIOD_TO_HZ(1.0 * clock_get(ncl->clock))); | |
744 | } | |
bce54474 PB |
745 | class = object_get_class(OBJECT(dev)); |
746 | do { | |
385d8f22 | 747 | qdev_print_props(mon, dev, DEVICE_CLASS(class)->props_, indent); |
bce54474 PB |
748 | class = object_class_get_parent(class); |
749 | } while (class != object_class_by_name(TYPE_DEVICE)); | |
da9fbe76 | 750 | bus_print_dev(dev->parent_bus, mon, dev, indent); |
ee46d8a5 AL |
751 | QLIST_FOREACH(child, &dev->child_bus, sibling) { |
752 | qbus_print(mon, child, indent); | |
753 | } | |
754 | } | |
755 | ||
756 | static void qbus_print(Monitor *mon, BusState *bus, int indent) | |
757 | { | |
0866aca1 | 758 | BusChild *kid; |
ee46d8a5 AL |
759 | |
760 | qdev_printf("bus: %s\n", bus->name); | |
761 | indent += 2; | |
0d936928 | 762 | qdev_printf("type %s\n", object_get_typename(OBJECT(bus))); |
0866aca1 AL |
763 | QTAILQ_FOREACH(kid, &bus->children, sibling) { |
764 | DeviceState *dev = kid->child; | |
ee46d8a5 AL |
765 | qdev_print(mon, dev, indent); |
766 | } | |
767 | } | |
768 | #undef qdev_printf | |
769 | ||
1ce6be24 | 770 | void hmp_info_qtree(Monitor *mon, const QDict *qdict) |
ee46d8a5 AL |
771 | { |
772 | if (sysbus_get_default()) | |
773 | qbus_print(mon, sysbus_get_default(), 0); | |
774 | } | |
775 | ||
1ce6be24 | 776 | void hmp_info_qdm(Monitor *mon, const QDict *qdict) |
ee46d8a5 | 777 | { |
a3400aee | 778 | qdev_print_devinfos(true); |
ee46d8a5 AL |
779 | } |
780 | ||
485febc6 | 781 | void qmp_device_add(QDict *qdict, QObject **ret_data, Error **errp) |
ee46d8a5 AL |
782 | { |
783 | QemuOpts *opts; | |
b09995ae | 784 | DeviceState *dev; |
ee46d8a5 | 785 | |
c6ecec43 MA |
786 | opts = qemu_opts_from_qdict(qemu_find_opts("device"), qdict, errp); |
787 | if (!opts) { | |
485febc6 | 788 | return; |
ee46d8a5 AL |
789 | } |
790 | if (!monitor_cur_is_qmp() && qdev_device_help(opts)) { | |
791 | qemu_opts_del(opts); | |
485febc6 | 792 | return; |
ee46d8a5 | 793 | } |
668f62ec | 794 | dev = qdev_device_add(opts, errp); |
7bed8995 ML |
795 | |
796 | /* | |
797 | * Drain all pending RCU callbacks. This is done because | |
798 | * some bus related operations can delay a device removal | |
799 | * (in this case this can happen if device is added and then | |
800 | * removed due to a configuration error) | |
801 | * to a RCU callback, but user might expect that this interface | |
802 | * will finish its job completely once qmp command returns result | |
803 | * to the user | |
804 | */ | |
805 | drain_call_rcu(); | |
806 | ||
b09995ae | 807 | if (!dev) { |
ee46d8a5 | 808 | qemu_opts_del(opts); |
485febc6 | 809 | return; |
ee46d8a5 | 810 | } |
b09995ae | 811 | object_unref(OBJECT(dev)); |
ee46d8a5 AL |
812 | } |
813 | ||
6c1db528 | 814 | static DeviceState *find_device_state(const char *id, Error **errp) |
ee46d8a5 | 815 | { |
b6cc36ab | 816 | Object *obj; |
ee46d8a5 | 817 | |
6287d827 DB |
818 | if (id[0] == '/') { |
819 | obj = object_resolve_path(id, NULL); | |
820 | } else { | |
821 | char *root_path = object_get_canonical_path(qdev_get_peripheral()); | |
822 | char *path = g_strdup_printf("%s/%s", root_path, id); | |
823 | ||
824 | g_free(root_path); | |
825 | obj = object_resolve_path_type(path, TYPE_DEVICE, NULL); | |
826 | g_free(path); | |
827 | } | |
b6cc36ab IM |
828 | |
829 | if (!obj) { | |
75158ebb MA |
830 | error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND, |
831 | "Device '%s' not found", id); | |
6c1db528 | 832 | return NULL; |
56f9107e LC |
833 | } |
834 | ||
6287d827 DB |
835 | if (!object_dynamic_cast(obj, TYPE_DEVICE)) { |
836 | error_setg(errp, "%s is not a hotpluggable device", id); | |
6c1db528 | 837 | return NULL; |
6287d827 DB |
838 | } |
839 | ||
6c1db528 KW |
840 | return DEVICE(obj); |
841 | } | |
842 | ||
32900679 JQ |
843 | void qdev_unplug(DeviceState *dev, Error **errp) |
844 | { | |
845 | DeviceClass *dc = DEVICE_GET_CLASS(dev); | |
846 | HotplugHandler *hotplug_ctrl; | |
847 | HotplugHandlerClass *hdc; | |
07578b0a | 848 | Error *local_err = NULL; |
32900679 JQ |
849 | |
850 | if (dev->parent_bus && !qbus_is_hotpluggable(dev->parent_bus)) { | |
851 | error_setg(errp, QERR_BUS_NO_HOTPLUG, dev->parent_bus->name); | |
852 | return; | |
853 | } | |
854 | ||
855 | if (!dc->hotpluggable) { | |
856 | error_setg(errp, QERR_DEVICE_NO_HOTPLUG, | |
857 | object_get_typename(OBJECT(dev))); | |
858 | return; | |
859 | } | |
860 | ||
a1190ab6 | 861 | if (!migration_is_idle() && !dev->allow_unplug_during_migration) { |
b06424de JQ |
862 | error_setg(errp, "device_del not allowed while migrating"); |
863 | return; | |
864 | } | |
865 | ||
32900679 JQ |
866 | qdev_hot_removed = true; |
867 | ||
868 | hotplug_ctrl = qdev_get_hotplug_handler(dev); | |
869 | /* hotpluggable device MUST have HotplugHandler, if it doesn't | |
870 | * then something is very wrong with it */ | |
871 | g_assert(hotplug_ctrl); | |
872 | ||
873 | /* If device supports async unplug just request it to be done, | |
874 | * otherwise just remove it synchronously */ | |
875 | hdc = HOTPLUG_HANDLER_GET_CLASS(hotplug_ctrl); | |
876 | if (hdc->unplug_request) { | |
07578b0a | 877 | hotplug_handler_unplug_request(hotplug_ctrl, dev, &local_err); |
32900679 | 878 | } else { |
07578b0a DH |
879 | hotplug_handler_unplug(hotplug_ctrl, dev, &local_err); |
880 | if (!local_err) { | |
881 | object_unparent(OBJECT(dev)); | |
882 | } | |
32900679 | 883 | } |
07578b0a | 884 | error_propagate(errp, local_err); |
32900679 JQ |
885 | } |
886 | ||
6c1db528 KW |
887 | void qmp_device_del(const char *id, Error **errp) |
888 | { | |
889 | DeviceState *dev = find_device_state(id, errp); | |
890 | if (dev != NULL) { | |
cce8944c JS |
891 | if (dev->pending_deleted_event) { |
892 | error_setg(errp, "Device %s is already in the " | |
893 | "process of unplug", id); | |
894 | return; | |
895 | } | |
896 | ||
6c1db528 KW |
897 | qdev_unplug(dev, errp); |
898 | } | |
ee46d8a5 AL |
899 | } |
900 | ||
d94bd092 MA |
901 | void hmp_device_add(Monitor *mon, const QDict *qdict) |
902 | { | |
903 | Error *err = NULL; | |
904 | ||
905 | qmp_device_add((QDict *)qdict, NULL, &err); | |
187c6147 | 906 | hmp_handle_error(mon, err); |
d94bd092 MA |
907 | } |
908 | ||
909 | void hmp_device_del(Monitor *mon, const QDict *qdict) | |
910 | { | |
911 | const char *id = qdict_get_str(qdict, "id"); | |
912 | Error *err = NULL; | |
913 | ||
914 | qmp_device_del(id, &err); | |
187c6147 | 915 | hmp_handle_error(mon, err); |
d94bd092 MA |
916 | } |
917 | ||
9680caee KW |
918 | BlockBackend *blk_by_qdev_id(const char *id, Error **errp) |
919 | { | |
920 | DeviceState *dev; | |
921 | BlockBackend *blk; | |
922 | ||
923 | dev = find_device_state(id, errp); | |
924 | if (dev == NULL) { | |
925 | return NULL; | |
926 | } | |
927 | ||
928 | blk = blk_by_dev(dev); | |
929 | if (!blk) { | |
930 | error_setg(errp, "Device does not have a block device backend"); | |
931 | } | |
932 | return blk; | |
933 | } | |
934 | ||
4d454574 PB |
935 | QemuOptsList qemu_device_opts = { |
936 | .name = "device", | |
937 | .implied_opt_name = "driver", | |
938 | .head = QTAILQ_HEAD_INITIALIZER(qemu_device_opts.head), | |
939 | .desc = { | |
940 | /* | |
941 | * no elements => accept any | |
942 | * sanity checking will happen later | |
943 | * when setting device properties | |
944 | */ | |
945 | { /* end of list */ } | |
946 | }, | |
947 | }; | |
948 | ||
949 | QemuOptsList qemu_global_opts = { | |
950 | .name = "global", | |
951 | .head = QTAILQ_HEAD_INITIALIZER(qemu_global_opts.head), | |
952 | .desc = { | |
953 | { | |
954 | .name = "driver", | |
955 | .type = QEMU_OPT_STRING, | |
956 | },{ | |
957 | .name = "property", | |
958 | .type = QEMU_OPT_STRING, | |
959 | },{ | |
960 | .name = "value", | |
961 | .type = QEMU_OPT_STRING, | |
962 | }, | |
963 | { /* end of list */ } | |
964 | }, | |
965 | }; | |
966 | ||
967 | int qemu_global_option(const char *str) | |
968 | { | |
969 | char driver[64], property[64]; | |
970 | QemuOpts *opts; | |
971 | int rc, offset; | |
972 | ||
3751d7c4 PB |
973 | rc = sscanf(str, "%63[^.=].%63[^=]%n", driver, property, &offset); |
974 | if (rc == 2 && str[offset] == '=') { | |
975 | opts = qemu_opts_create(&qemu_global_opts, NULL, 0, &error_abort); | |
976 | qemu_opt_set(opts, "driver", driver, &error_abort); | |
977 | qemu_opt_set(opts, "property", property, &error_abort); | |
978 | qemu_opt_set(opts, "value", str + offset + 1, &error_abort); | |
979 | return 0; | |
980 | } | |
981 | ||
70b94331 | 982 | opts = qemu_opts_parse_noisily(&qemu_global_opts, str, false); |
3751d7c4 | 983 | if (!opts) { |
4d454574 PB |
984 | return -1; |
985 | } | |
986 | ||
4d454574 PB |
987 | return 0; |
988 | } | |
164dafd1 PB |
989 | |
990 | bool qmp_command_available(const QmpCommand *cmd, Error **errp) | |
991 | { | |
2f181fbd | 992 | if (!phase_check(PHASE_MACHINE_READY) && |
164dafd1 PB |
993 | !(cmd->options & QCO_ALLOW_PRECONFIG)) { |
994 | error_setg(errp, "The command '%s' is permitted only after machine initialization has completed", | |
995 | cmd->name); | |
996 | return false; | |
997 | } | |
998 | return true; | |
999 | } |