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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 | |
9 | * version 2 of the License, or (at your option) any later version. | |
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 | ||
20 | #include "hw/qdev.h" | |
21 | #include "hw/sysbus.h" | |
22 | #include "monitor/monitor.h" | |
23 | #include "monitor/qdev.h" | |
24 | #include "qmp-commands.h" | |
25 | #include "sysemu/arch_init.h" | |
26 | #include "qemu/config-file.h" | |
27 | ||
28 | /* | |
29 | * Aliases were a bad idea from the start. Let's keep them | |
30 | * from spreading further. | |
31 | */ | |
32 | typedef struct QDevAlias | |
33 | { | |
34 | const char *typename; | |
35 | const char *alias; | |
36 | uint32_t arch_mask; | |
37 | } QDevAlias; | |
38 | ||
39 | static const QDevAlias qdev_alias_table[] = { | |
40 | { "virtio-blk-pci", "virtio-blk", QEMU_ARCH_ALL & ~QEMU_ARCH_S390X }, | |
41 | { "virtio-net-pci", "virtio-net", QEMU_ARCH_ALL & ~QEMU_ARCH_S390X }, | |
42 | { "virtio-serial-pci", "virtio-serial", QEMU_ARCH_ALL & ~QEMU_ARCH_S390X }, | |
43 | { "virtio-balloon-pci", "virtio-balloon", | |
44 | QEMU_ARCH_ALL & ~QEMU_ARCH_S390X }, | |
45 | { "virtio-blk-s390", "virtio-blk", QEMU_ARCH_S390X }, | |
46 | { "virtio-net-s390", "virtio-net", QEMU_ARCH_S390X }, | |
47 | { "virtio-serial-s390", "virtio-serial", QEMU_ARCH_S390X }, | |
48 | { "lsi53c895a", "lsi" }, | |
49 | { "ich9-ahci", "ahci" }, | |
50 | { "kvm-pci-assign", "pci-assign" }, | |
51 | { } | |
52 | }; | |
53 | ||
54 | static const char *qdev_class_get_alias(DeviceClass *dc) | |
55 | { | |
56 | const char *typename = object_class_get_name(OBJECT_CLASS(dc)); | |
57 | int i; | |
58 | ||
59 | for (i = 0; qdev_alias_table[i].typename; i++) { | |
60 | if (qdev_alias_table[i].arch_mask && | |
61 | !(qdev_alias_table[i].arch_mask & arch_type)) { | |
62 | continue; | |
63 | } | |
64 | ||
65 | if (strcmp(qdev_alias_table[i].typename, typename) == 0) { | |
66 | return qdev_alias_table[i].alias; | |
67 | } | |
68 | } | |
69 | ||
70 | return NULL; | |
71 | } | |
72 | ||
73 | static bool qdev_class_has_alias(DeviceClass *dc) | |
74 | { | |
75 | return (qdev_class_get_alias(dc) != NULL); | |
76 | } | |
77 | ||
78 | static void qdev_print_devinfo(DeviceClass *dc) | |
79 | { | |
80 | error_printf("name \"%s\"", object_class_get_name(OBJECT_CLASS(dc))); | |
81 | if (dc->bus_type) { | |
82 | error_printf(", bus %s", dc->bus_type); | |
83 | } | |
84 | if (qdev_class_has_alias(dc)) { | |
85 | error_printf(", alias \"%s\"", qdev_class_get_alias(dc)); | |
86 | } | |
87 | if (dc->desc) { | |
88 | error_printf(", desc \"%s\"", dc->desc); | |
89 | } | |
90 | if (dc->cannot_instantiate_with_device_add_yet) { | |
91 | error_printf(", no-user"); | |
92 | } | |
93 | error_printf("\n"); | |
94 | } | |
95 | ||
96 | static gint devinfo_cmp(gconstpointer a, gconstpointer b) | |
97 | { | |
98 | return strcasecmp(object_class_get_name((ObjectClass *)a), | |
99 | object_class_get_name((ObjectClass *)b)); | |
100 | } | |
101 | ||
102 | static void qdev_print_devinfos(bool show_no_user) | |
103 | { | |
104 | static const char *cat_name[DEVICE_CATEGORY_MAX + 1] = { | |
105 | [DEVICE_CATEGORY_BRIDGE] = "Controller/Bridge/Hub", | |
106 | [DEVICE_CATEGORY_USB] = "USB", | |
107 | [DEVICE_CATEGORY_STORAGE] = "Storage", | |
108 | [DEVICE_CATEGORY_NETWORK] = "Network", | |
109 | [DEVICE_CATEGORY_INPUT] = "Input", | |
110 | [DEVICE_CATEGORY_DISPLAY] = "Display", | |
111 | [DEVICE_CATEGORY_SOUND] = "Sound", | |
112 | [DEVICE_CATEGORY_MISC] = "Misc", | |
113 | [DEVICE_CATEGORY_MAX] = "Uncategorized", | |
114 | }; | |
115 | GSList *list, *elt; | |
116 | int i; | |
117 | bool cat_printed; | |
118 | ||
119 | list = g_slist_sort(object_class_get_list(TYPE_DEVICE, false), | |
120 | devinfo_cmp); | |
121 | ||
122 | for (i = 0; i <= DEVICE_CATEGORY_MAX; i++) { | |
123 | cat_printed = false; | |
124 | for (elt = list; elt; elt = elt->next) { | |
125 | DeviceClass *dc = OBJECT_CLASS_CHECK(DeviceClass, elt->data, | |
126 | TYPE_DEVICE); | |
127 | if ((i < DEVICE_CATEGORY_MAX | |
128 | ? !test_bit(i, dc->categories) | |
129 | : !bitmap_empty(dc->categories, DEVICE_CATEGORY_MAX)) | |
130 | || (!show_no_user | |
131 | && dc->cannot_instantiate_with_device_add_yet)) { | |
132 | continue; | |
133 | } | |
134 | if (!cat_printed) { | |
135 | error_printf("%s%s devices:\n", i ? "\n" : "", | |
136 | cat_name[i]); | |
137 | cat_printed = true; | |
138 | } | |
139 | qdev_print_devinfo(dc); | |
140 | } | |
141 | } | |
142 | ||
143 | g_slist_free(list); | |
144 | } | |
145 | ||
146 | static int set_property(const char *name, const char *value, void *opaque) | |
147 | { | |
148 | Object *obj = opaque; | |
149 | Error *err = NULL; | |
150 | ||
151 | if (strcmp(name, "driver") == 0) | |
152 | return 0; | |
153 | if (strcmp(name, "bus") == 0) | |
154 | return 0; | |
155 | ||
156 | object_property_parse(obj, value, name, &err); | |
157 | if (err != NULL) { | |
158 | qerror_report_err(err); | |
159 | error_free(err); | |
160 | return -1; | |
161 | } | |
162 | return 0; | |
163 | } | |
164 | ||
165 | static const char *find_typename_by_alias(const char *alias) | |
166 | { | |
167 | int i; | |
168 | ||
169 | for (i = 0; qdev_alias_table[i].alias; i++) { | |
170 | if (qdev_alias_table[i].arch_mask && | |
171 | !(qdev_alias_table[i].arch_mask & arch_type)) { | |
172 | continue; | |
173 | } | |
174 | ||
175 | if (strcmp(qdev_alias_table[i].alias, alias) == 0) { | |
176 | return qdev_alias_table[i].typename; | |
177 | } | |
178 | } | |
179 | ||
180 | return NULL; | |
181 | } | |
182 | ||
183 | static DeviceClass *qdev_get_device_class(const char **driver, Error **errp) | |
184 | { | |
185 | ObjectClass *oc; | |
186 | DeviceClass *dc; | |
187 | ||
188 | oc = object_class_by_name(*driver); | |
189 | if (!oc) { | |
190 | const char *typename = find_typename_by_alias(*driver); | |
191 | ||
192 | if (typename) { | |
193 | *driver = typename; | |
194 | oc = object_class_by_name(*driver); | |
195 | } | |
196 | } | |
197 | ||
198 | if (!object_class_dynamic_cast(oc, TYPE_DEVICE)) { | |
199 | error_setg(errp, "'%s' is not a valid device model name", *driver); | |
200 | return NULL; | |
201 | } | |
202 | ||
203 | if (object_class_is_abstract(oc)) { | |
204 | error_set(errp, QERR_INVALID_PARAMETER_VALUE, "driver", | |
205 | "non-abstract device type"); | |
206 | return NULL; | |
207 | } | |
208 | ||
209 | dc = DEVICE_CLASS(oc); | |
210 | if (dc->cannot_instantiate_with_device_add_yet || | |
211 | (qdev_hotplug && !dc->hotpluggable)) { | |
212 | error_set(errp, QERR_INVALID_PARAMETER_VALUE, "driver", | |
213 | "pluggable device type"); | |
214 | return NULL; | |
215 | } | |
216 | ||
217 | return dc; | |
218 | } | |
219 | ||
220 | ||
221 | int qdev_device_help(QemuOpts *opts) | |
222 | { | |
223 | Error *local_err = NULL; | |
224 | const char *driver; | |
225 | DevicePropertyInfoList *prop_list; | |
226 | DevicePropertyInfoList *prop; | |
227 | ||
228 | driver = qemu_opt_get(opts, "driver"); | |
229 | if (driver && is_help_option(driver)) { | |
230 | qdev_print_devinfos(false); | |
231 | return 1; | |
232 | } | |
233 | ||
234 | if (!driver || !qemu_opt_has_help_opt(opts)) { | |
235 | return 0; | |
236 | } | |
237 | ||
238 | qdev_get_device_class(&driver, &local_err); | |
239 | if (local_err) { | |
240 | goto error; | |
241 | } | |
242 | ||
243 | prop_list = qmp_device_list_properties(driver, &local_err); | |
244 | if (local_err) { | |
245 | goto error; | |
246 | } | |
247 | ||
248 | for (prop = prop_list; prop; prop = prop->next) { | |
249 | error_printf("%s.%s=%s", driver, | |
250 | prop->value->name, | |
251 | prop->value->type); | |
252 | if (prop->value->has_description) { | |
253 | error_printf(" (%s)\n", prop->value->description); | |
254 | } else { | |
255 | error_printf("\n"); | |
256 | } | |
257 | } | |
258 | ||
259 | qapi_free_DevicePropertyInfoList(prop_list); | |
260 | return 1; | |
261 | ||
262 | error: | |
263 | error_printf("%s\n", error_get_pretty(local_err)); | |
264 | error_free(local_err); | |
265 | return 1; | |
266 | } | |
267 | ||
268 | static Object *qdev_get_peripheral(void) | |
269 | { | |
270 | static Object *dev; | |
271 | ||
272 | if (dev == NULL) { | |
273 | dev = container_get(qdev_get_machine(), "/peripheral"); | |
274 | } | |
275 | ||
276 | return dev; | |
277 | } | |
278 | ||
279 | static Object *qdev_get_peripheral_anon(void) | |
280 | { | |
281 | static Object *dev; | |
282 | ||
283 | if (dev == NULL) { | |
284 | dev = container_get(qdev_get_machine(), "/peripheral-anon"); | |
285 | } | |
286 | ||
287 | return dev; | |
288 | } | |
289 | ||
290 | static void qbus_list_bus(DeviceState *dev) | |
291 | { | |
292 | BusState *child; | |
293 | const char *sep = " "; | |
294 | ||
295 | error_printf("child busses at \"%s\":", | |
296 | dev->id ? dev->id : object_get_typename(OBJECT(dev))); | |
297 | QLIST_FOREACH(child, &dev->child_bus, sibling) { | |
298 | error_printf("%s\"%s\"", sep, child->name); | |
299 | sep = ", "; | |
300 | } | |
301 | error_printf("\n"); | |
302 | } | |
303 | ||
304 | static void qbus_list_dev(BusState *bus) | |
305 | { | |
306 | BusChild *kid; | |
307 | const char *sep = " "; | |
308 | ||
309 | error_printf("devices at \"%s\":", bus->name); | |
310 | QTAILQ_FOREACH(kid, &bus->children, sibling) { | |
311 | DeviceState *dev = kid->child; | |
312 | error_printf("%s\"%s\"", sep, object_get_typename(OBJECT(dev))); | |
313 | if (dev->id) | |
314 | error_printf("/\"%s\"", dev->id); | |
315 | sep = ", "; | |
316 | } | |
317 | error_printf("\n"); | |
318 | } | |
319 | ||
320 | static BusState *qbus_find_bus(DeviceState *dev, char *elem) | |
321 | { | |
322 | BusState *child; | |
323 | ||
324 | QLIST_FOREACH(child, &dev->child_bus, sibling) { | |
325 | if (strcmp(child->name, elem) == 0) { | |
326 | return child; | |
327 | } | |
328 | } | |
329 | return NULL; | |
330 | } | |
331 | ||
332 | static DeviceState *qbus_find_dev(BusState *bus, char *elem) | |
333 | { | |
334 | BusChild *kid; | |
335 | ||
336 | /* | |
337 | * try to match in order: | |
338 | * (1) instance id, if present | |
339 | * (2) driver name | |
340 | * (3) driver alias, if present | |
341 | */ | |
342 | QTAILQ_FOREACH(kid, &bus->children, sibling) { | |
343 | DeviceState *dev = kid->child; | |
344 | if (dev->id && strcmp(dev->id, elem) == 0) { | |
345 | return dev; | |
346 | } | |
347 | } | |
348 | QTAILQ_FOREACH(kid, &bus->children, sibling) { | |
349 | DeviceState *dev = kid->child; | |
350 | if (strcmp(object_get_typename(OBJECT(dev)), elem) == 0) { | |
351 | return dev; | |
352 | } | |
353 | } | |
354 | QTAILQ_FOREACH(kid, &bus->children, sibling) { | |
355 | DeviceState *dev = kid->child; | |
356 | DeviceClass *dc = DEVICE_GET_CLASS(dev); | |
357 | ||
358 | if (qdev_class_has_alias(dc) && | |
359 | strcmp(qdev_class_get_alias(dc), elem) == 0) { | |
360 | return dev; | |
361 | } | |
362 | } | |
363 | return NULL; | |
364 | } | |
365 | ||
366 | static BusState *qbus_find_recursive(BusState *bus, const char *name, | |
367 | const char *bus_typename) | |
368 | { | |
369 | BusClass *bus_class = BUS_GET_CLASS(bus); | |
370 | BusChild *kid; | |
371 | BusState *child, *ret; | |
372 | int match = 1; | |
373 | ||
374 | if (name && (strcmp(bus->name, name) != 0)) { | |
375 | match = 0; | |
376 | } else if (bus_typename && !object_dynamic_cast(OBJECT(bus), bus_typename)) { | |
377 | match = 0; | |
378 | } else if ((bus_class->max_dev != 0) && (bus_class->max_dev <= bus->max_index)) { | |
379 | if (name != NULL) { | |
380 | /* bus was explicitly specified: return an error. */ | |
381 | qerror_report(ERROR_CLASS_GENERIC_ERROR, "Bus '%s' is full", | |
382 | bus->name); | |
383 | return NULL; | |
384 | } else { | |
385 | /* bus was not specified: try to find another one. */ | |
386 | match = 0; | |
387 | } | |
388 | } | |
389 | if (match) { | |
390 | return bus; | |
391 | } | |
392 | ||
393 | QTAILQ_FOREACH(kid, &bus->children, sibling) { | |
394 | DeviceState *dev = kid->child; | |
395 | QLIST_FOREACH(child, &dev->child_bus, sibling) { | |
396 | ret = qbus_find_recursive(child, name, bus_typename); | |
397 | if (ret) { | |
398 | return ret; | |
399 | } | |
400 | } | |
401 | } | |
402 | return NULL; | |
403 | } | |
404 | ||
405 | static BusState *qbus_find(const char *path) | |
406 | { | |
407 | DeviceState *dev; | |
408 | BusState *bus; | |
409 | char elem[128]; | |
410 | int pos, len; | |
411 | ||
412 | /* find start element */ | |
413 | if (path[0] == '/') { | |
414 | bus = sysbus_get_default(); | |
415 | pos = 0; | |
416 | } else { | |
417 | if (sscanf(path, "%127[^/]%n", elem, &len) != 1) { | |
418 | assert(!path[0]); | |
419 | elem[0] = len = 0; | |
420 | } | |
421 | bus = qbus_find_recursive(sysbus_get_default(), elem, NULL); | |
422 | if (!bus) { | |
423 | qerror_report(QERR_BUS_NOT_FOUND, elem); | |
424 | return NULL; | |
425 | } | |
426 | pos = len; | |
427 | } | |
428 | ||
429 | for (;;) { | |
430 | assert(path[pos] == '/' || !path[pos]); | |
431 | while (path[pos] == '/') { | |
432 | pos++; | |
433 | } | |
434 | if (path[pos] == '\0') { | |
435 | return bus; | |
436 | } | |
437 | ||
438 | /* find device */ | |
439 | if (sscanf(path+pos, "%127[^/]%n", elem, &len) != 1) { | |
440 | g_assert_not_reached(); | |
441 | elem[0] = len = 0; | |
442 | } | |
443 | pos += len; | |
444 | dev = qbus_find_dev(bus, elem); | |
445 | if (!dev) { | |
446 | qerror_report(QERR_DEVICE_NOT_FOUND, elem); | |
447 | if (!monitor_cur_is_qmp()) { | |
448 | qbus_list_dev(bus); | |
449 | } | |
450 | return NULL; | |
451 | } | |
452 | ||
453 | assert(path[pos] == '/' || !path[pos]); | |
454 | while (path[pos] == '/') { | |
455 | pos++; | |
456 | } | |
457 | if (path[pos] == '\0') { | |
458 | /* last specified element is a device. If it has exactly | |
459 | * one child bus accept it nevertheless */ | |
460 | switch (dev->num_child_bus) { | |
461 | case 0: | |
462 | qerror_report(ERROR_CLASS_GENERIC_ERROR, | |
463 | "Device '%s' has no child bus", elem); | |
464 | return NULL; | |
465 | case 1: | |
466 | return QLIST_FIRST(&dev->child_bus); | |
467 | default: | |
468 | qerror_report(ERROR_CLASS_GENERIC_ERROR, | |
469 | "Device '%s' has multiple child busses", elem); | |
470 | if (!monitor_cur_is_qmp()) { | |
471 | qbus_list_bus(dev); | |
472 | } | |
473 | return NULL; | |
474 | } | |
475 | } | |
476 | ||
477 | /* find bus */ | |
478 | if (sscanf(path+pos, "%127[^/]%n", elem, &len) != 1) { | |
479 | g_assert_not_reached(); | |
480 | elem[0] = len = 0; | |
481 | } | |
482 | pos += len; | |
483 | bus = qbus_find_bus(dev, elem); | |
484 | if (!bus) { | |
485 | qerror_report(QERR_BUS_NOT_FOUND, elem); | |
486 | if (!monitor_cur_is_qmp()) { | |
487 | qbus_list_bus(dev); | |
488 | } | |
489 | return NULL; | |
490 | } | |
491 | } | |
492 | } | |
493 | ||
494 | DeviceState *qdev_device_add(QemuOpts *opts) | |
495 | { | |
496 | DeviceClass *dc; | |
497 | const char *driver, *path, *id; | |
498 | DeviceState *dev; | |
499 | BusState *bus = NULL; | |
500 | Error *err = NULL; | |
501 | ||
502 | driver = qemu_opt_get(opts, "driver"); | |
503 | if (!driver) { | |
504 | qerror_report(QERR_MISSING_PARAMETER, "driver"); | |
505 | return NULL; | |
506 | } | |
507 | ||
508 | /* find driver */ | |
509 | dc = qdev_get_device_class(&driver, &err); | |
510 | if (err) { | |
511 | qerror_report_err(err); | |
512 | error_free(err); | |
513 | return NULL; | |
514 | } | |
515 | ||
516 | /* find bus */ | |
517 | path = qemu_opt_get(opts, "bus"); | |
518 | if (path != NULL) { | |
519 | bus = qbus_find(path); | |
520 | if (!bus) { | |
521 | return NULL; | |
522 | } | |
523 | if (!object_dynamic_cast(OBJECT(bus), dc->bus_type)) { | |
524 | qerror_report(ERROR_CLASS_GENERIC_ERROR, | |
525 | "Device '%s' can't go on a %s bus", | |
526 | driver, object_get_typename(OBJECT(bus))); | |
527 | return NULL; | |
528 | } | |
529 | } else if (dc->bus_type != NULL) { | |
530 | bus = qbus_find_recursive(sysbus_get_default(), NULL, dc->bus_type); | |
531 | if (!bus) { | |
532 | qerror_report(ERROR_CLASS_GENERIC_ERROR, | |
533 | "No '%s' bus found for device '%s'", | |
534 | dc->bus_type, driver); | |
535 | return NULL; | |
536 | } | |
537 | } | |
538 | if (qdev_hotplug && bus && !qbus_is_hotpluggable(bus)) { | |
539 | qerror_report(QERR_BUS_NO_HOTPLUG, bus->name); | |
540 | return NULL; | |
541 | } | |
542 | ||
543 | /* create device */ | |
544 | dev = DEVICE(object_new(driver)); | |
545 | ||
546 | if (bus) { | |
547 | qdev_set_parent_bus(dev, bus); | |
548 | } | |
549 | ||
550 | id = qemu_opts_id(opts); | |
551 | if (id) { | |
552 | dev->id = id; | |
553 | } | |
554 | ||
555 | if (dev->id) { | |
556 | object_property_add_child(qdev_get_peripheral(), dev->id, | |
557 | OBJECT(dev), NULL); | |
558 | } else { | |
559 | static int anon_count; | |
560 | gchar *name = g_strdup_printf("device[%d]", anon_count++); | |
561 | object_property_add_child(qdev_get_peripheral_anon(), name, | |
562 | OBJECT(dev), NULL); | |
563 | g_free(name); | |
564 | } | |
565 | ||
566 | /* set properties */ | |
567 | if (qemu_opt_foreach(opts, set_property, dev, 1) != 0) { | |
568 | object_unparent(OBJECT(dev)); | |
569 | object_unref(OBJECT(dev)); | |
570 | return NULL; | |
571 | } | |
572 | ||
573 | dev->opts = opts; | |
574 | object_property_set_bool(OBJECT(dev), true, "realized", &err); | |
575 | if (err != NULL) { | |
576 | qerror_report_err(err); | |
577 | error_free(err); | |
578 | dev->opts = NULL; | |
579 | object_unparent(OBJECT(dev)); | |
580 | object_unref(OBJECT(dev)); | |
581 | qerror_report(QERR_DEVICE_INIT_FAILED, driver); | |
582 | return NULL; | |
583 | } | |
584 | return dev; | |
585 | } | |
586 | ||
587 | ||
588 | #define qdev_printf(fmt, ...) monitor_printf(mon, "%*s" fmt, indent, "", ## __VA_ARGS__) | |
589 | static void qbus_print(Monitor *mon, BusState *bus, int indent); | |
590 | ||
591 | static void qdev_print_props(Monitor *mon, DeviceState *dev, Property *props, | |
592 | int indent) | |
593 | { | |
594 | if (!props) | |
595 | return; | |
596 | for (; props->name; props++) { | |
597 | Error *err = NULL; | |
598 | char *value; | |
599 | char *legacy_name = g_strdup_printf("legacy-%s", props->name); | |
600 | if (object_property_get_type(OBJECT(dev), legacy_name, NULL)) { | |
601 | value = object_property_get_str(OBJECT(dev), legacy_name, &err); | |
602 | } else { | |
603 | value = object_property_print(OBJECT(dev), props->name, true, &err); | |
604 | } | |
605 | g_free(legacy_name); | |
606 | ||
607 | if (err) { | |
608 | error_free(err); | |
609 | continue; | |
610 | } | |
611 | qdev_printf("%s = %s\n", props->name, | |
612 | value && *value ? value : "<null>"); | |
613 | g_free(value); | |
614 | } | |
615 | } | |
616 | ||
617 | static void bus_print_dev(BusState *bus, Monitor *mon, DeviceState *dev, int indent) | |
618 | { | |
619 | BusClass *bc = BUS_GET_CLASS(bus); | |
620 | ||
621 | if (bc->print_dev) { | |
622 | bc->print_dev(mon, dev, indent); | |
623 | } | |
624 | } | |
625 | ||
626 | static void qdev_print(Monitor *mon, DeviceState *dev, int indent) | |
627 | { | |
628 | ObjectClass *class; | |
629 | BusState *child; | |
630 | NamedGPIOList *ngl; | |
631 | ||
632 | qdev_printf("dev: %s, id \"%s\"\n", object_get_typename(OBJECT(dev)), | |
633 | dev->id ? dev->id : ""); | |
634 | indent += 2; | |
635 | QLIST_FOREACH(ngl, &dev->gpios, node) { | |
636 | if (ngl->num_in) { | |
637 | qdev_printf("gpio-in \"%s\" %d\n", ngl->name ? ngl->name : "", | |
638 | ngl->num_in); | |
639 | } | |
640 | if (ngl->num_out) { | |
641 | qdev_printf("gpio-out \"%s\" %d\n", ngl->name ? ngl->name : "", | |
642 | ngl->num_out); | |
643 | } | |
644 | } | |
645 | class = object_get_class(OBJECT(dev)); | |
646 | do { | |
647 | qdev_print_props(mon, dev, DEVICE_CLASS(class)->props, indent); | |
648 | class = object_class_get_parent(class); | |
649 | } while (class != object_class_by_name(TYPE_DEVICE)); | |
650 | bus_print_dev(dev->parent_bus, mon, dev, indent); | |
651 | QLIST_FOREACH(child, &dev->child_bus, sibling) { | |
652 | qbus_print(mon, child, indent); | |
653 | } | |
654 | } | |
655 | ||
656 | static void qbus_print(Monitor *mon, BusState *bus, int indent) | |
657 | { | |
658 | BusChild *kid; | |
659 | ||
660 | qdev_printf("bus: %s\n", bus->name); | |
661 | indent += 2; | |
662 | qdev_printf("type %s\n", object_get_typename(OBJECT(bus))); | |
663 | QTAILQ_FOREACH(kid, &bus->children, sibling) { | |
664 | DeviceState *dev = kid->child; | |
665 | qdev_print(mon, dev, indent); | |
666 | } | |
667 | } | |
668 | #undef qdev_printf | |
669 | ||
670 | void do_info_qtree(Monitor *mon, const QDict *qdict) | |
671 | { | |
672 | if (sysbus_get_default()) | |
673 | qbus_print(mon, sysbus_get_default(), 0); | |
674 | } | |
675 | ||
676 | void do_info_qdm(Monitor *mon, const QDict *qdict) | |
677 | { | |
678 | qdev_print_devinfos(true); | |
679 | } | |
680 | ||
681 | int do_device_add(Monitor *mon, const QDict *qdict, QObject **ret_data) | |
682 | { | |
683 | Error *local_err = NULL; | |
684 | QemuOpts *opts; | |
685 | DeviceState *dev; | |
686 | ||
687 | opts = qemu_opts_from_qdict(qemu_find_opts("device"), qdict, &local_err); | |
688 | if (local_err) { | |
689 | qerror_report_err(local_err); | |
690 | error_free(local_err); | |
691 | return -1; | |
692 | } | |
693 | if (!monitor_cur_is_qmp() && qdev_device_help(opts)) { | |
694 | qemu_opts_del(opts); | |
695 | return 0; | |
696 | } | |
697 | dev = qdev_device_add(opts); | |
698 | if (!dev) { | |
699 | qemu_opts_del(opts); | |
700 | return -1; | |
701 | } | |
702 | object_unref(OBJECT(dev)); | |
703 | return 0; | |
704 | } | |
705 | ||
706 | void qmp_device_del(const char *id, Error **errp) | |
707 | { | |
708 | Object *obj; | |
709 | char *root_path = object_get_canonical_path(qdev_get_peripheral()); | |
710 | char *path = g_strdup_printf("%s/%s", root_path, id); | |
711 | ||
712 | g_free(root_path); | |
713 | obj = object_resolve_path_type(path, TYPE_DEVICE, NULL); | |
714 | g_free(path); | |
715 | ||
716 | if (!obj) { | |
717 | error_set(errp, QERR_DEVICE_NOT_FOUND, id); | |
718 | return; | |
719 | } | |
720 | ||
721 | qdev_unplug(DEVICE(obj), errp); | |
722 | } | |
723 | ||
724 | void qdev_machine_init(void) | |
725 | { | |
726 | qdev_get_peripheral_anon(); | |
727 | qdev_get_peripheral(); | |
728 | } | |
729 | ||
730 | QemuOptsList qemu_device_opts = { | |
731 | .name = "device", | |
732 | .implied_opt_name = "driver", | |
733 | .head = QTAILQ_HEAD_INITIALIZER(qemu_device_opts.head), | |
734 | .desc = { | |
735 | /* | |
736 | * no elements => accept any | |
737 | * sanity checking will happen later | |
738 | * when setting device properties | |
739 | */ | |
740 | { /* end of list */ } | |
741 | }, | |
742 | }; | |
743 | ||
744 | QemuOptsList qemu_global_opts = { | |
745 | .name = "global", | |
746 | .head = QTAILQ_HEAD_INITIALIZER(qemu_global_opts.head), | |
747 | .desc = { | |
748 | { | |
749 | .name = "driver", | |
750 | .type = QEMU_OPT_STRING, | |
751 | },{ | |
752 | .name = "property", | |
753 | .type = QEMU_OPT_STRING, | |
754 | },{ | |
755 | .name = "value", | |
756 | .type = QEMU_OPT_STRING, | |
757 | }, | |
758 | { /* end of list */ } | |
759 | }, | |
760 | }; | |
761 | ||
762 | int qemu_global_option(const char *str) | |
763 | { | |
764 | char driver[64], property[64]; | |
765 | QemuOpts *opts; | |
766 | int rc, offset; | |
767 | ||
768 | rc = sscanf(str, "%63[^.].%63[^=]%n", driver, property, &offset); | |
769 | if (rc < 2 || str[offset] != '=') { | |
770 | error_report("can't parse: \"%s\"", str); | |
771 | return -1; | |
772 | } | |
773 | ||
774 | opts = qemu_opts_create(&qemu_global_opts, NULL, 0, &error_abort); | |
775 | qemu_opt_set(opts, "driver", driver); | |
776 | qemu_opt_set(opts, "property", property); | |
777 | qemu_opt_set(opts, "value", str+offset+1); | |
778 | return 0; | |
779 | } |