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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 | |
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 | ||
b4a42f81 | 20 | #include "hw/qdev.h" |
2f7bd829 | 21 | #include "hw/sysbus.h" |
83c9089e | 22 | #include "monitor/monitor.h" |
b4a42f81 | 23 | #include "monitor/qdev.h" |
a15fef21 | 24 | #include "qmp-commands.h" |
9c17d615 | 25 | #include "sysemu/arch_init.h" |
1de7afc9 | 26 | #include "qemu/config-file.h" |
ee46d8a5 AL |
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; | |
5f629d94 | 36 | uint32_t arch_mask; |
ee46d8a5 AL |
37 | } QDevAlias; |
38 | ||
39 | static const QDevAlias qdev_alias_table[] = { | |
5f629d94 AG |
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 }, | |
1f68f1d3 AG |
45 | { "virtio-blk-ccw", "virtio-blk", QEMU_ARCH_S390X }, |
46 | { "virtio-net-ccw", "virtio-net", QEMU_ARCH_S390X }, | |
47 | { "virtio-serial-ccw", "virtio-serial", QEMU_ARCH_S390X }, | |
ee46d8a5 AL |
48 | { "lsi53c895a", "lsi" }, |
49 | { "ich9-ahci", "ahci" }, | |
c3ebd3ba | 50 | { "kvm-pci-assign", "pci-assign" }, |
ee46d8a5 AL |
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++) { | |
5f629d94 AG |
60 | if (qdev_alias_table[i].arch_mask && |
61 | !(qdev_alias_table[i].arch_mask & arch_type)) { | |
62 | continue; | |
63 | } | |
64 | ||
ee46d8a5 AL |
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 | ||
a3400aee | 78 | static void qdev_print_devinfo(DeviceClass *dc) |
ee46d8a5 | 79 | { |
a3400aee | 80 | error_printf("name \"%s\"", object_class_get_name(OBJECT_CLASS(dc))); |
0d936928 AL |
81 | if (dc->bus_type) { |
82 | error_printf(", bus %s", dc->bus_type); | |
ee46d8a5 AL |
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 | } | |
efec3dd6 | 90 | if (dc->cannot_instantiate_with_device_add_yet) { |
ee46d8a5 AL |
91 | error_printf(", no-user"); |
92 | } | |
93 | error_printf("\n"); | |
94 | } | |
95 | ||
a3400aee MA |
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)) | |
efec3dd6 MA |
130 | || (!show_no_user |
131 | && dc->cannot_instantiate_with_device_add_yet)) { | |
a3400aee MA |
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 | ||
71df1d83 MA |
146 | static int set_property(void *opaque, const char *name, const char *value, |
147 | Error **errp) | |
ee46d8a5 | 148 | { |
98a65284 | 149 | Object *obj = opaque; |
b1fe9bcb | 150 | Error *err = NULL; |
ee46d8a5 AL |
151 | |
152 | if (strcmp(name, "driver") == 0) | |
153 | return 0; | |
154 | if (strcmp(name, "bus") == 0) | |
155 | return 0; | |
156 | ||
98a65284 | 157 | object_property_parse(obj, value, name, &err); |
b1fe9bcb AF |
158 | if (err != NULL) { |
159 | qerror_report_err(err); | |
160 | error_free(err); | |
ee46d8a5 AL |
161 | return -1; |
162 | } | |
163 | return 0; | |
164 | } | |
165 | ||
166 | static const char *find_typename_by_alias(const char *alias) | |
167 | { | |
168 | int i; | |
169 | ||
170 | for (i = 0; qdev_alias_table[i].alias; i++) { | |
5f629d94 AG |
171 | if (qdev_alias_table[i].arch_mask && |
172 | !(qdev_alias_table[i].arch_mask & arch_type)) { | |
173 | continue; | |
174 | } | |
175 | ||
ee46d8a5 AL |
176 | if (strcmp(qdev_alias_table[i].alias, alias) == 0) { |
177 | return qdev_alias_table[i].typename; | |
178 | } | |
179 | } | |
180 | ||
181 | return NULL; | |
182 | } | |
183 | ||
43c95d78 EH |
184 | static DeviceClass *qdev_get_device_class(const char **driver, Error **errp) |
185 | { | |
186 | ObjectClass *oc; | |
187 | DeviceClass *dc; | |
188 | ||
189 | oc = object_class_by_name(*driver); | |
190 | if (!oc) { | |
191 | const char *typename = find_typename_by_alias(*driver); | |
192 | ||
193 | if (typename) { | |
194 | *driver = typename; | |
195 | oc = object_class_by_name(*driver); | |
196 | } | |
197 | } | |
198 | ||
199 | if (!object_class_dynamic_cast(oc, TYPE_DEVICE)) { | |
200 | error_setg(errp, "'%s' is not a valid device model name", *driver); | |
201 | return NULL; | |
202 | } | |
203 | ||
204 | if (object_class_is_abstract(oc)) { | |
205 | error_set(errp, QERR_INVALID_PARAMETER_VALUE, "driver", | |
206 | "non-abstract device type"); | |
207 | return NULL; | |
208 | } | |
209 | ||
210 | dc = DEVICE_CLASS(oc); | |
211 | if (dc->cannot_instantiate_with_device_add_yet || | |
212 | (qdev_hotplug && !dc->hotpluggable)) { | |
213 | error_set(errp, QERR_INVALID_PARAMETER_VALUE, "driver", | |
214 | "pluggable device type"); | |
215 | return NULL; | |
216 | } | |
217 | ||
218 | return dc; | |
219 | } | |
220 | ||
221 | ||
ee46d8a5 AL |
222 | int qdev_device_help(QemuOpts *opts) |
223 | { | |
ef523587 | 224 | Error *local_err = NULL; |
ee46d8a5 | 225 | const char *driver; |
ef523587 SH |
226 | DevicePropertyInfoList *prop_list; |
227 | DevicePropertyInfoList *prop; | |
ee46d8a5 AL |
228 | |
229 | driver = qemu_opt_get(opts, "driver"); | |
c8057f95 | 230 | if (driver && is_help_option(driver)) { |
a3400aee | 231 | qdev_print_devinfos(false); |
ee46d8a5 AL |
232 | return 1; |
233 | } | |
234 | ||
c8057f95 | 235 | if (!driver || !qemu_opt_has_help_opt(opts)) { |
ee46d8a5 AL |
236 | return 0; |
237 | } | |
238 | ||
31bed550 EH |
239 | qdev_get_device_class(&driver, &local_err); |
240 | if (local_err) { | |
241 | goto error; | |
ee46d8a5 AL |
242 | } |
243 | ||
ef523587 | 244 | prop_list = qmp_device_list_properties(driver, &local_err); |
0722eba9 | 245 | if (local_err) { |
5185f0e0 | 246 | goto error; |
ee46d8a5 | 247 | } |
ef523587 SH |
248 | |
249 | for (prop = prop_list; prop; prop = prop->next) { | |
07d09c58 | 250 | error_printf("%s.%s=%s", driver, |
ef523587 SH |
251 | prop->value->name, |
252 | prop->value->type); | |
07d09c58 GA |
253 | if (prop->value->has_description) { |
254 | error_printf(" (%s)\n", prop->value->description); | |
255 | } else { | |
256 | error_printf("\n"); | |
257 | } | |
ef523587 SH |
258 | } |
259 | ||
260 | qapi_free_DevicePropertyInfoList(prop_list); | |
ee46d8a5 | 261 | return 1; |
5185f0e0 EH |
262 | |
263 | error: | |
264 | error_printf("%s\n", error_get_pretty(local_err)); | |
265 | error_free(local_err); | |
266 | return 1; | |
ee46d8a5 AL |
267 | } |
268 | ||
57c9fafe | 269 | static Object *qdev_get_peripheral(void) |
ee46d8a5 | 270 | { |
8b45d447 | 271 | static Object *dev; |
ee46d8a5 AL |
272 | |
273 | if (dev == NULL) { | |
dfe47e70 | 274 | dev = container_get(qdev_get_machine(), "/peripheral"); |
ee46d8a5 AL |
275 | } |
276 | ||
8b45d447 | 277 | return dev; |
ee46d8a5 AL |
278 | } |
279 | ||
57c9fafe | 280 | static Object *qdev_get_peripheral_anon(void) |
ee46d8a5 | 281 | { |
8b45d447 | 282 | static Object *dev; |
ee46d8a5 AL |
283 | |
284 | if (dev == NULL) { | |
dfe47e70 | 285 | dev = container_get(qdev_get_machine(), "/peripheral-anon"); |
ee46d8a5 AL |
286 | } |
287 | ||
8b45d447 | 288 | return dev; |
ee46d8a5 AL |
289 | } |
290 | ||
291 | static void qbus_list_bus(DeviceState *dev) | |
292 | { | |
293 | BusState *child; | |
294 | const char *sep = " "; | |
295 | ||
296 | error_printf("child busses at \"%s\":", | |
297 | dev->id ? dev->id : object_get_typename(OBJECT(dev))); | |
298 | QLIST_FOREACH(child, &dev->child_bus, sibling) { | |
299 | error_printf("%s\"%s\"", sep, child->name); | |
300 | sep = ", "; | |
301 | } | |
302 | error_printf("\n"); | |
303 | } | |
304 | ||
305 | static void qbus_list_dev(BusState *bus) | |
306 | { | |
0866aca1 | 307 | BusChild *kid; |
ee46d8a5 AL |
308 | const char *sep = " "; |
309 | ||
310 | error_printf("devices at \"%s\":", bus->name); | |
0866aca1 AL |
311 | QTAILQ_FOREACH(kid, &bus->children, sibling) { |
312 | DeviceState *dev = kid->child; | |
ee46d8a5 AL |
313 | error_printf("%s\"%s\"", sep, object_get_typename(OBJECT(dev))); |
314 | if (dev->id) | |
315 | error_printf("/\"%s\"", dev->id); | |
316 | sep = ", "; | |
317 | } | |
318 | error_printf("\n"); | |
319 | } | |
320 | ||
321 | static BusState *qbus_find_bus(DeviceState *dev, char *elem) | |
322 | { | |
323 | BusState *child; | |
324 | ||
325 | QLIST_FOREACH(child, &dev->child_bus, sibling) { | |
326 | if (strcmp(child->name, elem) == 0) { | |
327 | return child; | |
328 | } | |
329 | } | |
330 | return NULL; | |
331 | } | |
332 | ||
333 | static DeviceState *qbus_find_dev(BusState *bus, char *elem) | |
334 | { | |
0866aca1 | 335 | BusChild *kid; |
ee46d8a5 AL |
336 | |
337 | /* | |
338 | * try to match in order: | |
339 | * (1) instance id, if present | |
340 | * (2) driver name | |
341 | * (3) driver alias, if present | |
342 | */ | |
0866aca1 AL |
343 | QTAILQ_FOREACH(kid, &bus->children, sibling) { |
344 | DeviceState *dev = kid->child; | |
ee46d8a5 AL |
345 | if (dev->id && strcmp(dev->id, elem) == 0) { |
346 | return dev; | |
347 | } | |
348 | } | |
0866aca1 AL |
349 | QTAILQ_FOREACH(kid, &bus->children, sibling) { |
350 | DeviceState *dev = kid->child; | |
ee46d8a5 AL |
351 | if (strcmp(object_get_typename(OBJECT(dev)), elem) == 0) { |
352 | return dev; | |
353 | } | |
354 | } | |
0866aca1 AL |
355 | QTAILQ_FOREACH(kid, &bus->children, sibling) { |
356 | DeviceState *dev = kid->child; | |
ee46d8a5 AL |
357 | DeviceClass *dc = DEVICE_GET_CLASS(dev); |
358 | ||
359 | if (qdev_class_has_alias(dc) && | |
360 | strcmp(qdev_class_get_alias(dc), elem) == 0) { | |
361 | return dev; | |
362 | } | |
363 | } | |
364 | return NULL; | |
365 | } | |
366 | ||
a5ec494e MA |
367 | static inline bool qbus_is_full(BusState *bus) |
368 | { | |
369 | BusClass *bus_class = BUS_GET_CLASS(bus); | |
370 | return bus_class->max_dev && bus->max_index >= bus_class->max_dev; | |
371 | } | |
372 | ||
373 | /* | |
374 | * Search the tree rooted at @bus for a bus. | |
375 | * If @name, search for a bus with that name. Note that bus names | |
376 | * need not be unique. Yes, that's screwed up. | |
377 | * Else search for a bus that is a subtype of @bus_typename. | |
378 | * If more than one exists, prefer one that can take another device. | |
379 | * Return the bus if found, else %NULL. | |
380 | */ | |
ee46d8a5 | 381 | static BusState *qbus_find_recursive(BusState *bus, const char *name, |
0d936928 | 382 | const char *bus_typename) |
ee46d8a5 | 383 | { |
0866aca1 | 384 | BusChild *kid; |
a5ec494e MA |
385 | BusState *pick, *child, *ret; |
386 | bool match; | |
387 | ||
388 | assert(name || bus_typename); | |
389 | if (name) { | |
390 | match = !strcmp(bus->name, name); | |
391 | } else { | |
392 | match = !!object_dynamic_cast(OBJECT(bus), bus_typename); | |
1395af6f | 393 | } |
a5ec494e MA |
394 | |
395 | if (match && !qbus_is_full(bus)) { | |
396 | return bus; /* root matches and isn't full */ | |
ee46d8a5 AL |
397 | } |
398 | ||
a5ec494e MA |
399 | pick = match ? bus : NULL; |
400 | ||
0866aca1 AL |
401 | QTAILQ_FOREACH(kid, &bus->children, sibling) { |
402 | DeviceState *dev = kid->child; | |
ee46d8a5 | 403 | QLIST_FOREACH(child, &dev->child_bus, sibling) { |
0d936928 | 404 | ret = qbus_find_recursive(child, name, bus_typename); |
a5ec494e MA |
405 | if (ret && !qbus_is_full(ret)) { |
406 | return ret; /* a descendant matches and isn't full */ | |
407 | } | |
408 | if (ret && !pick) { | |
409 | pick = ret; | |
ee46d8a5 AL |
410 | } |
411 | } | |
412 | } | |
a5ec494e MA |
413 | |
414 | /* root or a descendant matches, but is full */ | |
415 | return pick; | |
ee46d8a5 AL |
416 | } |
417 | ||
418 | static BusState *qbus_find(const char *path) | |
419 | { | |
420 | DeviceState *dev; | |
421 | BusState *bus; | |
422 | char elem[128]; | |
423 | int pos, len; | |
424 | ||
425 | /* find start element */ | |
426 | if (path[0] == '/') { | |
427 | bus = sysbus_get_default(); | |
428 | pos = 0; | |
429 | } else { | |
430 | if (sscanf(path, "%127[^/]%n", elem, &len) != 1) { | |
431 | assert(!path[0]); | |
432 | elem[0] = len = 0; | |
433 | } | |
434 | bus = qbus_find_recursive(sysbus_get_default(), elem, NULL); | |
435 | if (!bus) { | |
436 | qerror_report(QERR_BUS_NOT_FOUND, elem); | |
437 | return NULL; | |
438 | } | |
439 | pos = len; | |
440 | } | |
441 | ||
442 | for (;;) { | |
443 | assert(path[pos] == '/' || !path[pos]); | |
444 | while (path[pos] == '/') { | |
445 | pos++; | |
446 | } | |
447 | if (path[pos] == '\0') { | |
ed238ba2 | 448 | break; |
ee46d8a5 AL |
449 | } |
450 | ||
451 | /* find device */ | |
452 | if (sscanf(path+pos, "%127[^/]%n", elem, &len) != 1) { | |
dfc6f865 | 453 | g_assert_not_reached(); |
ee46d8a5 AL |
454 | elem[0] = len = 0; |
455 | } | |
456 | pos += len; | |
457 | dev = qbus_find_dev(bus, elem); | |
458 | if (!dev) { | |
459 | qerror_report(QERR_DEVICE_NOT_FOUND, elem); | |
460 | if (!monitor_cur_is_qmp()) { | |
461 | qbus_list_dev(bus); | |
462 | } | |
463 | return NULL; | |
464 | } | |
465 | ||
466 | assert(path[pos] == '/' || !path[pos]); | |
467 | while (path[pos] == '/') { | |
468 | pos++; | |
469 | } | |
470 | if (path[pos] == '\0') { | |
471 | /* last specified element is a device. If it has exactly | |
472 | * one child bus accept it nevertheless */ | |
ed238ba2 MA |
473 | if (dev->num_child_bus == 1) { |
474 | bus = QLIST_FIRST(&dev->child_bus); | |
475 | break; | |
476 | } | |
477 | if (dev->num_child_bus) { | |
f231b88d CR |
478 | qerror_report(ERROR_CLASS_GENERIC_ERROR, |
479 | "Device '%s' has multiple child busses", elem); | |
ee46d8a5 AL |
480 | if (!monitor_cur_is_qmp()) { |
481 | qbus_list_bus(dev); | |
482 | } | |
ed238ba2 MA |
483 | } else { |
484 | qerror_report(ERROR_CLASS_GENERIC_ERROR, | |
485 | "Device '%s' has no child bus", elem); | |
ee46d8a5 | 486 | } |
ed238ba2 | 487 | return NULL; |
ee46d8a5 AL |
488 | } |
489 | ||
490 | /* find bus */ | |
491 | if (sscanf(path+pos, "%127[^/]%n", elem, &len) != 1) { | |
dfc6f865 | 492 | g_assert_not_reached(); |
ee46d8a5 AL |
493 | elem[0] = len = 0; |
494 | } | |
495 | pos += len; | |
496 | bus = qbus_find_bus(dev, elem); | |
497 | if (!bus) { | |
498 | qerror_report(QERR_BUS_NOT_FOUND, elem); | |
499 | if (!monitor_cur_is_qmp()) { | |
500 | qbus_list_bus(dev); | |
501 | } | |
502 | return NULL; | |
503 | } | |
504 | } | |
ed238ba2 MA |
505 | |
506 | if (qbus_is_full(bus)) { | |
507 | qerror_report(ERROR_CLASS_GENERIC_ERROR, "Bus '%s' is full", | |
508 | path); | |
509 | return NULL; | |
510 | } | |
511 | return bus; | |
ee46d8a5 AL |
512 | } |
513 | ||
514 | DeviceState *qdev_device_add(QemuOpts *opts) | |
515 | { | |
f4d85795 | 516 | DeviceClass *dc; |
ee46d8a5 | 517 | const char *driver, *path, *id; |
2bcb0c62 | 518 | DeviceState *dev; |
2f7bd829 | 519 | BusState *bus = NULL; |
852e2c50 | 520 | Error *err = NULL; |
ee46d8a5 AL |
521 | |
522 | driver = qemu_opt_get(opts, "driver"); | |
523 | if (!driver) { | |
524 | qerror_report(QERR_MISSING_PARAMETER, "driver"); | |
525 | return NULL; | |
526 | } | |
527 | ||
528 | /* find driver */ | |
43c95d78 EH |
529 | dc = qdev_get_device_class(&driver, &err); |
530 | if (err) { | |
531 | qerror_report_err(err); | |
532 | error_free(err); | |
7ea5e78f MA |
533 | return NULL; |
534 | } | |
ee46d8a5 AL |
535 | |
536 | /* find bus */ | |
537 | path = qemu_opt_get(opts, "bus"); | |
538 | if (path != NULL) { | |
539 | bus = qbus_find(path); | |
540 | if (!bus) { | |
541 | return NULL; | |
542 | } | |
f4d85795 | 543 | if (!object_dynamic_cast(OBJECT(bus), dc->bus_type)) { |
f231b88d CR |
544 | qerror_report(ERROR_CLASS_GENERIC_ERROR, |
545 | "Device '%s' can't go on a %s bus", | |
0d936928 | 546 | driver, object_get_typename(OBJECT(bus))); |
ee46d8a5 AL |
547 | return NULL; |
548 | } | |
f4d85795 AF |
549 | } else if (dc->bus_type != NULL) { |
550 | bus = qbus_find_recursive(sysbus_get_default(), NULL, dc->bus_type); | |
a5ec494e | 551 | if (!bus || qbus_is_full(bus)) { |
f231b88d CR |
552 | qerror_report(ERROR_CLASS_GENERIC_ERROR, |
553 | "No '%s' bus found for device '%s'", | |
f4d85795 | 554 | dc->bus_type, driver); |
ee46d8a5 AL |
555 | return NULL; |
556 | } | |
557 | } | |
39b888bd | 558 | if (qdev_hotplug && bus && !qbus_is_hotpluggable(bus)) { |
ee46d8a5 AL |
559 | qerror_report(QERR_BUS_NO_HOTPLUG, bus->name); |
560 | return NULL; | |
561 | } | |
562 | ||
7b030949 | 563 | /* create device */ |
2bcb0c62 | 564 | dev = DEVICE(object_new(driver)); |
2f7bd829 AF |
565 | |
566 | if (bus) { | |
2bcb0c62 | 567 | qdev_set_parent_bus(dev, bus); |
2f7bd829 | 568 | } |
ee46d8a5 AL |
569 | |
570 | id = qemu_opts_id(opts); | |
571 | if (id) { | |
2bcb0c62 | 572 | dev->id = id; |
b2d4b3f7 | 573 | } |
7b030949 | 574 | |
2bcb0c62 AF |
575 | if (dev->id) { |
576 | object_property_add_child(qdev_get_peripheral(), dev->id, | |
577 | OBJECT(dev), NULL); | |
ee46d8a5 AL |
578 | } else { |
579 | static int anon_count; | |
580 | gchar *name = g_strdup_printf("device[%d]", anon_count++); | |
57c9fafe | 581 | object_property_add_child(qdev_get_peripheral_anon(), name, |
2bcb0c62 | 582 | OBJECT(dev), NULL); |
ee46d8a5 | 583 | g_free(name); |
2bcb0c62 | 584 | } |
52aa17cb | 585 | |
7b030949 | 586 | /* set properties */ |
71df1d83 | 587 | if (qemu_opt_foreach(opts, set_property, dev, NULL)) { |
7b030949 AK |
588 | object_unparent(OBJECT(dev)); |
589 | object_unref(OBJECT(dev)); | |
590 | return NULL; | |
591 | } | |
592 | ||
52aa17cb | 593 | dev->opts = opts; |
852e2c50 AF |
594 | object_property_set_bool(OBJECT(dev), true, "realized", &err); |
595 | if (err != NULL) { | |
596 | qerror_report_err(err); | |
597 | error_free(err); | |
52aa17cb | 598 | dev->opts = NULL; |
852e2c50 | 599 | object_unparent(OBJECT(dev)); |
2bcb0c62 | 600 | object_unref(OBJECT(dev)); |
f424d5c4 PB |
601 | qerror_report(QERR_DEVICE_INIT_FAILED, driver); |
602 | return NULL; | |
603 | } | |
2bcb0c62 | 604 | return dev; |
ee46d8a5 AL |
605 | } |
606 | ||
607 | ||
608 | #define qdev_printf(fmt, ...) monitor_printf(mon, "%*s" fmt, indent, "", ## __VA_ARGS__) | |
609 | static void qbus_print(Monitor *mon, BusState *bus, int indent); | |
610 | ||
611 | static void qdev_print_props(Monitor *mon, DeviceState *dev, Property *props, | |
bce54474 | 612 | int indent) |
ee46d8a5 | 613 | { |
ee46d8a5 AL |
614 | if (!props) |
615 | return; | |
d822979b PB |
616 | for (; props->name; props++) { |
617 | Error *err = NULL; | |
618 | char *value; | |
619 | char *legacy_name = g_strdup_printf("legacy-%s", props->name); | |
620 | if (object_property_get_type(OBJECT(dev), legacy_name, NULL)) { | |
621 | value = object_property_get_str(OBJECT(dev), legacy_name, &err); | |
622 | } else { | |
dae3bda4 | 623 | value = object_property_print(OBJECT(dev), props->name, true, &err); |
d822979b PB |
624 | } |
625 | g_free(legacy_name); | |
626 | ||
627 | if (err) { | |
628 | error_free(err); | |
629 | continue; | |
ee46d8a5 | 630 | } |
bce54474 | 631 | qdev_printf("%s = %s\n", props->name, |
d822979b PB |
632 | value && *value ? value : "<null>"); |
633 | g_free(value); | |
ee46d8a5 AL |
634 | } |
635 | } | |
636 | ||
0d936928 AL |
637 | static void bus_print_dev(BusState *bus, Monitor *mon, DeviceState *dev, int indent) |
638 | { | |
639 | BusClass *bc = BUS_GET_CLASS(bus); | |
640 | ||
641 | if (bc->print_dev) { | |
642 | bc->print_dev(mon, dev, indent); | |
643 | } | |
644 | } | |
645 | ||
ee46d8a5 AL |
646 | static void qdev_print(Monitor *mon, DeviceState *dev, int indent) |
647 | { | |
bce54474 | 648 | ObjectClass *class; |
ee46d8a5 | 649 | BusState *child; |
a5f54290 PC |
650 | NamedGPIOList *ngl; |
651 | ||
ee46d8a5 AL |
652 | qdev_printf("dev: %s, id \"%s\"\n", object_get_typename(OBJECT(dev)), |
653 | dev->id ? dev->id : ""); | |
654 | indent += 2; | |
a5f54290 PC |
655 | QLIST_FOREACH(ngl, &dev->gpios, node) { |
656 | if (ngl->num_in) { | |
657 | qdev_printf("gpio-in \"%s\" %d\n", ngl->name ? ngl->name : "", | |
658 | ngl->num_in); | |
659 | } | |
660 | if (ngl->num_out) { | |
661 | qdev_printf("gpio-out \"%s\" %d\n", ngl->name ? ngl->name : "", | |
662 | ngl->num_out); | |
663 | } | |
ee46d8a5 | 664 | } |
bce54474 PB |
665 | class = object_get_class(OBJECT(dev)); |
666 | do { | |
667 | qdev_print_props(mon, dev, DEVICE_CLASS(class)->props, indent); | |
668 | class = object_class_get_parent(class); | |
669 | } while (class != object_class_by_name(TYPE_DEVICE)); | |
da9fbe76 | 670 | bus_print_dev(dev->parent_bus, mon, dev, indent); |
ee46d8a5 AL |
671 | QLIST_FOREACH(child, &dev->child_bus, sibling) { |
672 | qbus_print(mon, child, indent); | |
673 | } | |
674 | } | |
675 | ||
676 | static void qbus_print(Monitor *mon, BusState *bus, int indent) | |
677 | { | |
0866aca1 | 678 | BusChild *kid; |
ee46d8a5 AL |
679 | |
680 | qdev_printf("bus: %s\n", bus->name); | |
681 | indent += 2; | |
0d936928 | 682 | qdev_printf("type %s\n", object_get_typename(OBJECT(bus))); |
0866aca1 AL |
683 | QTAILQ_FOREACH(kid, &bus->children, sibling) { |
684 | DeviceState *dev = kid->child; | |
ee46d8a5 AL |
685 | qdev_print(mon, dev, indent); |
686 | } | |
687 | } | |
688 | #undef qdev_printf | |
689 | ||
1ce6be24 | 690 | void hmp_info_qtree(Monitor *mon, const QDict *qdict) |
ee46d8a5 AL |
691 | { |
692 | if (sysbus_get_default()) | |
693 | qbus_print(mon, sysbus_get_default(), 0); | |
694 | } | |
695 | ||
1ce6be24 | 696 | void hmp_info_qdm(Monitor *mon, const QDict *qdict) |
ee46d8a5 | 697 | { |
a3400aee | 698 | qdev_print_devinfos(true); |
ee46d8a5 AL |
699 | } |
700 | ||
a01ff75f AF |
701 | typedef struct QOMCompositionState { |
702 | Monitor *mon; | |
703 | int indent; | |
704 | } QOMCompositionState; | |
705 | ||
706 | static void print_qom_composition(Monitor *mon, Object *obj, int indent); | |
707 | ||
708 | static int print_qom_composition_child(Object *obj, void *opaque) | |
709 | { | |
710 | QOMCompositionState *s = opaque; | |
711 | ||
712 | print_qom_composition(s->mon, obj, s->indent); | |
713 | ||
714 | return 0; | |
715 | } | |
716 | ||
717 | static void print_qom_composition(Monitor *mon, Object *obj, int indent) | |
718 | { | |
719 | QOMCompositionState s = { | |
720 | .mon = mon, | |
721 | .indent = indent + 2, | |
722 | }; | |
723 | char *name; | |
724 | ||
725 | if (obj == object_get_root()) { | |
726 | name = g_strdup(""); | |
727 | } else { | |
728 | name = object_get_canonical_path_component(obj); | |
729 | } | |
730 | monitor_printf(mon, "%*s/%s (%s)\n", indent, "", name, | |
731 | object_get_typename(obj)); | |
732 | g_free(name); | |
733 | object_child_foreach(obj, print_qom_composition_child, &s); | |
734 | } | |
735 | ||
736 | void hmp_info_qom_tree(Monitor *mon, const QDict *dict) | |
737 | { | |
738 | const char *path = qdict_get_try_str(dict, "path"); | |
739 | Object *obj; | |
740 | bool ambiguous = false; | |
741 | ||
742 | if (path) { | |
743 | obj = object_resolve_path(path, &ambiguous); | |
744 | if (!obj) { | |
745 | monitor_printf(mon, "Path '%s' could not be resolved.\n", path); | |
746 | return; | |
747 | } | |
748 | if (ambiguous) { | |
749 | monitor_printf(mon, "Warning: Path '%s' is ambiguous.\n", path); | |
750 | return; | |
751 | } | |
752 | } else { | |
753 | obj = qdev_get_machine(); | |
754 | } | |
755 | print_qom_composition(mon, obj, 0); | |
756 | } | |
757 | ||
ee46d8a5 AL |
758 | int do_device_add(Monitor *mon, const QDict *qdict, QObject **ret_data) |
759 | { | |
4e89978e | 760 | Error *local_err = NULL; |
ee46d8a5 | 761 | QemuOpts *opts; |
b09995ae | 762 | DeviceState *dev; |
ee46d8a5 | 763 | |
4e89978e | 764 | opts = qemu_opts_from_qdict(qemu_find_opts("device"), qdict, &local_err); |
84d18f06 | 765 | if (local_err) { |
4e89978e LC |
766 | qerror_report_err(local_err); |
767 | error_free(local_err); | |
ee46d8a5 AL |
768 | return -1; |
769 | } | |
770 | if (!monitor_cur_is_qmp() && qdev_device_help(opts)) { | |
771 | qemu_opts_del(opts); | |
772 | return 0; | |
773 | } | |
b09995ae PB |
774 | dev = qdev_device_add(opts); |
775 | if (!dev) { | |
ee46d8a5 AL |
776 | qemu_opts_del(opts); |
777 | return -1; | |
778 | } | |
b09995ae | 779 | object_unref(OBJECT(dev)); |
ee46d8a5 AL |
780 | return 0; |
781 | } | |
782 | ||
a15fef21 | 783 | void qmp_device_del(const char *id, Error **errp) |
ee46d8a5 | 784 | { |
b6cc36ab IM |
785 | Object *obj; |
786 | char *root_path = object_get_canonical_path(qdev_get_peripheral()); | |
787 | char *path = g_strdup_printf("%s/%s", root_path, id); | |
ee46d8a5 | 788 | |
b6cc36ab IM |
789 | g_free(root_path); |
790 | obj = object_resolve_path_type(path, TYPE_DEVICE, NULL); | |
791 | g_free(path); | |
792 | ||
793 | if (!obj) { | |
a15fef21 LC |
794 | error_set(errp, QERR_DEVICE_NOT_FOUND, id); |
795 | return; | |
56f9107e LC |
796 | } |
797 | ||
b6cc36ab | 798 | qdev_unplug(DEVICE(obj), errp); |
ee46d8a5 AL |
799 | } |
800 | ||
801 | void qdev_machine_init(void) | |
802 | { | |
803 | qdev_get_peripheral_anon(); | |
804 | qdev_get_peripheral(); | |
805 | } | |
4d454574 PB |
806 | |
807 | QemuOptsList qemu_device_opts = { | |
808 | .name = "device", | |
809 | .implied_opt_name = "driver", | |
810 | .head = QTAILQ_HEAD_INITIALIZER(qemu_device_opts.head), | |
811 | .desc = { | |
812 | /* | |
813 | * no elements => accept any | |
814 | * sanity checking will happen later | |
815 | * when setting device properties | |
816 | */ | |
817 | { /* end of list */ } | |
818 | }, | |
819 | }; | |
820 | ||
821 | QemuOptsList qemu_global_opts = { | |
822 | .name = "global", | |
823 | .head = QTAILQ_HEAD_INITIALIZER(qemu_global_opts.head), | |
824 | .desc = { | |
825 | { | |
826 | .name = "driver", | |
827 | .type = QEMU_OPT_STRING, | |
828 | },{ | |
829 | .name = "property", | |
830 | .type = QEMU_OPT_STRING, | |
831 | },{ | |
832 | .name = "value", | |
833 | .type = QEMU_OPT_STRING, | |
834 | }, | |
835 | { /* end of list */ } | |
836 | }, | |
837 | }; | |
838 | ||
839 | int qemu_global_option(const char *str) | |
840 | { | |
841 | char driver[64], property[64]; | |
842 | QemuOpts *opts; | |
843 | int rc, offset; | |
844 | ||
3751d7c4 PB |
845 | rc = sscanf(str, "%63[^.=].%63[^=]%n", driver, property, &offset); |
846 | if (rc == 2 && str[offset] == '=') { | |
847 | opts = qemu_opts_create(&qemu_global_opts, NULL, 0, &error_abort); | |
848 | qemu_opt_set(opts, "driver", driver, &error_abort); | |
849 | qemu_opt_set(opts, "property", property, &error_abort); | |
850 | qemu_opt_set(opts, "value", str + offset + 1, &error_abort); | |
851 | return 0; | |
852 | } | |
853 | ||
854 | opts = qemu_opts_parse(&qemu_global_opts, str, false); | |
855 | if (!opts) { | |
4d454574 PB |
856 | return -1; |
857 | } | |
858 | ||
4d454574 PB |
859 | return 0; |
860 | } |