]>
Commit | Line | Data |
---|---|---|
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 | ||
d38ea87a | 20 | #include "qemu/osdep.h" |
b4a42f81 | 21 | #include "hw/qdev.h" |
2f7bd829 | 22 | #include "hw/sysbus.h" |
83c9089e | 23 | #include "monitor/monitor.h" |
b4a42f81 | 24 | #include "monitor/qdev.h" |
a15fef21 | 25 | #include "qmp-commands.h" |
9c17d615 | 26 | #include "sysemu/arch_init.h" |
cc7a8ea7 | 27 | #include "qapi/qmp/qerror.h" |
1de7afc9 | 28 | #include "qemu/config-file.h" |
d49b6836 | 29 | #include "qemu/error-report.h" |
ee46d8a5 AL |
30 | |
31 | /* | |
32 | * Aliases were a bad idea from the start. Let's keep them | |
33 | * from spreading further. | |
34 | */ | |
35 | typedef struct QDevAlias | |
36 | { | |
37 | const char *typename; | |
38 | const char *alias; | |
5f629d94 | 39 | uint32_t arch_mask; |
ee46d8a5 AL |
40 | } QDevAlias; |
41 | ||
36e99168 | 42 | /* Please keep this table sorted by typename. */ |
ee46d8a5 | 43 | static const QDevAlias qdev_alias_table[] = { |
36e99168 SS |
44 | { "e1000", "e1000-82540em" }, |
45 | { "ich9-ahci", "ahci" }, | |
46 | { "kvm-pci-assign", "pci-assign" }, | |
47 | { "lsi53c895a", "lsi" }, | |
588c36ca SS |
48 | { "virtio-9p-ccw", "virtio-9p", QEMU_ARCH_S390X }, |
49 | { "virtio-9p-pci", "virtio-9p", QEMU_ARCH_ALL & ~QEMU_ARCH_S390X }, | |
50 | { "virtio-balloon-ccw", "virtio-balloon", QEMU_ARCH_S390X }, | |
5f629d94 AG |
51 | { "virtio-balloon-pci", "virtio-balloon", |
52 | QEMU_ARCH_ALL & ~QEMU_ARCH_S390X }, | |
1f68f1d3 | 53 | { "virtio-blk-ccw", "virtio-blk", QEMU_ARCH_S390X }, |
36e99168 | 54 | { "virtio-blk-pci", "virtio-blk", QEMU_ARCH_ALL & ~QEMU_ARCH_S390X }, |
588c36ca SS |
55 | { "virtio-gpu-ccw", "virtio-gpu", QEMU_ARCH_S390X }, |
56 | { "virtio-gpu-pci", "virtio-gpu", QEMU_ARCH_ALL & ~QEMU_ARCH_S390X }, | |
57 | { "virtio-input-host-ccw", "virtio-input-host", QEMU_ARCH_S390X }, | |
58 | { "virtio-input-host-pci", "virtio-input-host", | |
59 | QEMU_ARCH_ALL & ~QEMU_ARCH_S390X }, | |
60 | { "virtio-keyboard-ccw", "virtio-keyboard", QEMU_ARCH_S390X }, | |
61 | { "virtio-keyboard-pci", "virtio-keyboard", | |
62 | QEMU_ARCH_ALL & ~QEMU_ARCH_S390X }, | |
63 | { "virtio-mouse-ccw", "virtio-mouse", QEMU_ARCH_S390X }, | |
64 | { "virtio-mouse-pci", "virtio-mouse", QEMU_ARCH_ALL & ~QEMU_ARCH_S390X }, | |
1f68f1d3 | 65 | { "virtio-net-ccw", "virtio-net", QEMU_ARCH_S390X }, |
36e99168 | 66 | { "virtio-net-pci", "virtio-net", QEMU_ARCH_ALL & ~QEMU_ARCH_S390X }, |
588c36ca SS |
67 | { "virtio-rng-ccw", "virtio-rng", QEMU_ARCH_S390X }, |
68 | { "virtio-rng-pci", "virtio-rng", QEMU_ARCH_ALL & ~QEMU_ARCH_S390X }, | |
69 | { "virtio-scsi-ccw", "virtio-scsi", QEMU_ARCH_S390X }, | |
70 | { "virtio-scsi-pci", "virtio-scsi", QEMU_ARCH_ALL & ~QEMU_ARCH_S390X }, | |
1f68f1d3 | 71 | { "virtio-serial-ccw", "virtio-serial", QEMU_ARCH_S390X }, |
36e99168 | 72 | { "virtio-serial-pci", "virtio-serial", QEMU_ARCH_ALL & ~QEMU_ARCH_S390X }, |
588c36ca SS |
73 | { "virtio-tablet-ccw", "virtio-tablet", QEMU_ARCH_S390X }, |
74 | { "virtio-tablet-pci", "virtio-tablet", QEMU_ARCH_ALL & ~QEMU_ARCH_S390X }, | |
ee46d8a5 AL |
75 | { } |
76 | }; | |
77 | ||
78 | static const char *qdev_class_get_alias(DeviceClass *dc) | |
79 | { | |
80 | const char *typename = object_class_get_name(OBJECT_CLASS(dc)); | |
81 | int i; | |
82 | ||
83 | for (i = 0; qdev_alias_table[i].typename; i++) { | |
5f629d94 AG |
84 | if (qdev_alias_table[i].arch_mask && |
85 | !(qdev_alias_table[i].arch_mask & arch_type)) { | |
86 | continue; | |
87 | } | |
88 | ||
ee46d8a5 AL |
89 | if (strcmp(qdev_alias_table[i].typename, typename) == 0) { |
90 | return qdev_alias_table[i].alias; | |
91 | } | |
92 | } | |
93 | ||
94 | return NULL; | |
95 | } | |
96 | ||
97 | static bool qdev_class_has_alias(DeviceClass *dc) | |
98 | { | |
99 | return (qdev_class_get_alias(dc) != NULL); | |
100 | } | |
101 | ||
a3400aee | 102 | static void qdev_print_devinfo(DeviceClass *dc) |
ee46d8a5 | 103 | { |
a3400aee | 104 | error_printf("name \"%s\"", object_class_get_name(OBJECT_CLASS(dc))); |
0d936928 AL |
105 | if (dc->bus_type) { |
106 | error_printf(", bus %s", dc->bus_type); | |
ee46d8a5 AL |
107 | } |
108 | if (qdev_class_has_alias(dc)) { | |
109 | error_printf(", alias \"%s\"", qdev_class_get_alias(dc)); | |
110 | } | |
111 | if (dc->desc) { | |
112 | error_printf(", desc \"%s\"", dc->desc); | |
113 | } | |
efec3dd6 | 114 | if (dc->cannot_instantiate_with_device_add_yet) { |
ee46d8a5 AL |
115 | error_printf(", no-user"); |
116 | } | |
117 | error_printf("\n"); | |
118 | } | |
119 | ||
a3400aee MA |
120 | static gint devinfo_cmp(gconstpointer a, gconstpointer b) |
121 | { | |
122 | return strcasecmp(object_class_get_name((ObjectClass *)a), | |
123 | object_class_get_name((ObjectClass *)b)); | |
124 | } | |
125 | ||
126 | static void qdev_print_devinfos(bool show_no_user) | |
127 | { | |
128 | static const char *cat_name[DEVICE_CATEGORY_MAX + 1] = { | |
129 | [DEVICE_CATEGORY_BRIDGE] = "Controller/Bridge/Hub", | |
130 | [DEVICE_CATEGORY_USB] = "USB", | |
131 | [DEVICE_CATEGORY_STORAGE] = "Storage", | |
132 | [DEVICE_CATEGORY_NETWORK] = "Network", | |
133 | [DEVICE_CATEGORY_INPUT] = "Input", | |
134 | [DEVICE_CATEGORY_DISPLAY] = "Display", | |
135 | [DEVICE_CATEGORY_SOUND] = "Sound", | |
136 | [DEVICE_CATEGORY_MISC] = "Misc", | |
137 | [DEVICE_CATEGORY_MAX] = "Uncategorized", | |
138 | }; | |
139 | GSList *list, *elt; | |
140 | int i; | |
141 | bool cat_printed; | |
142 | ||
143 | list = g_slist_sort(object_class_get_list(TYPE_DEVICE, false), | |
144 | devinfo_cmp); | |
145 | ||
146 | for (i = 0; i <= DEVICE_CATEGORY_MAX; i++) { | |
147 | cat_printed = false; | |
148 | for (elt = list; elt; elt = elt->next) { | |
149 | DeviceClass *dc = OBJECT_CLASS_CHECK(DeviceClass, elt->data, | |
150 | TYPE_DEVICE); | |
151 | if ((i < DEVICE_CATEGORY_MAX | |
152 | ? !test_bit(i, dc->categories) | |
153 | : !bitmap_empty(dc->categories, DEVICE_CATEGORY_MAX)) | |
efec3dd6 MA |
154 | || (!show_no_user |
155 | && dc->cannot_instantiate_with_device_add_yet)) { | |
a3400aee MA |
156 | continue; |
157 | } | |
158 | if (!cat_printed) { | |
159 | error_printf("%s%s devices:\n", i ? "\n" : "", | |
160 | cat_name[i]); | |
161 | cat_printed = true; | |
162 | } | |
163 | qdev_print_devinfo(dc); | |
164 | } | |
165 | } | |
166 | ||
167 | g_slist_free(list); | |
168 | } | |
169 | ||
71df1d83 MA |
170 | static int set_property(void *opaque, const char *name, const char *value, |
171 | Error **errp) | |
ee46d8a5 | 172 | { |
98a65284 | 173 | Object *obj = opaque; |
b1fe9bcb | 174 | Error *err = NULL; |
ee46d8a5 AL |
175 | |
176 | if (strcmp(name, "driver") == 0) | |
177 | return 0; | |
178 | if (strcmp(name, "bus") == 0) | |
179 | return 0; | |
180 | ||
98a65284 | 181 | object_property_parse(obj, value, name, &err); |
b1fe9bcb | 182 | if (err != NULL) { |
4caa489d | 183 | error_propagate(errp, err); |
ee46d8a5 AL |
184 | return -1; |
185 | } | |
186 | return 0; | |
187 | } | |
188 | ||
189 | static const char *find_typename_by_alias(const char *alias) | |
190 | { | |
191 | int i; | |
192 | ||
193 | for (i = 0; qdev_alias_table[i].alias; i++) { | |
5f629d94 AG |
194 | if (qdev_alias_table[i].arch_mask && |
195 | !(qdev_alias_table[i].arch_mask & arch_type)) { | |
196 | continue; | |
197 | } | |
198 | ||
ee46d8a5 AL |
199 | if (strcmp(qdev_alias_table[i].alias, alias) == 0) { |
200 | return qdev_alias_table[i].typename; | |
201 | } | |
202 | } | |
203 | ||
204 | return NULL; | |
205 | } | |
206 | ||
43c95d78 EH |
207 | static DeviceClass *qdev_get_device_class(const char **driver, Error **errp) |
208 | { | |
209 | ObjectClass *oc; | |
210 | DeviceClass *dc; | |
f6b5319d | 211 | const char *original_name = *driver; |
43c95d78 EH |
212 | |
213 | oc = object_class_by_name(*driver); | |
214 | if (!oc) { | |
215 | const char *typename = find_typename_by_alias(*driver); | |
216 | ||
217 | if (typename) { | |
218 | *driver = typename; | |
219 | oc = object_class_by_name(*driver); | |
220 | } | |
221 | } | |
222 | ||
223 | if (!object_class_dynamic_cast(oc, TYPE_DEVICE)) { | |
f6b5319d SS |
224 | if (*driver != original_name) { |
225 | error_setg(errp, "'%s' (alias '%s') is not a valid device model" | |
226 | " name", original_name, *driver); | |
227 | } else { | |
228 | error_setg(errp, "'%s' is not a valid device model name", *driver); | |
229 | } | |
43c95d78 EH |
230 | return NULL; |
231 | } | |
232 | ||
233 | if (object_class_is_abstract(oc)) { | |
c6bd8c70 MA |
234 | error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "driver", |
235 | "non-abstract device type"); | |
43c95d78 EH |
236 | return NULL; |
237 | } | |
238 | ||
239 | dc = DEVICE_CLASS(oc); | |
240 | if (dc->cannot_instantiate_with_device_add_yet || | |
241 | (qdev_hotplug && !dc->hotpluggable)) { | |
c6bd8c70 MA |
242 | error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "driver", |
243 | "pluggable device type"); | |
43c95d78 EH |
244 | return NULL; |
245 | } | |
246 | ||
247 | return dc; | |
248 | } | |
249 | ||
250 | ||
ee46d8a5 AL |
251 | int qdev_device_help(QemuOpts *opts) |
252 | { | |
ef523587 | 253 | Error *local_err = NULL; |
ee46d8a5 | 254 | const char *driver; |
ef523587 SH |
255 | DevicePropertyInfoList *prop_list; |
256 | DevicePropertyInfoList *prop; | |
ee46d8a5 AL |
257 | |
258 | driver = qemu_opt_get(opts, "driver"); | |
c8057f95 | 259 | if (driver && is_help_option(driver)) { |
a3400aee | 260 | qdev_print_devinfos(false); |
ee46d8a5 AL |
261 | return 1; |
262 | } | |
263 | ||
c8057f95 | 264 | if (!driver || !qemu_opt_has_help_opt(opts)) { |
ee46d8a5 AL |
265 | return 0; |
266 | } | |
267 | ||
33fe9683 MA |
268 | if (!object_class_by_name(driver)) { |
269 | const char *typename = find_typename_by_alias(driver); | |
270 | ||
271 | if (typename) { | |
272 | driver = typename; | |
273 | } | |
ee46d8a5 AL |
274 | } |
275 | ||
ef523587 | 276 | prop_list = qmp_device_list_properties(driver, &local_err); |
0722eba9 | 277 | if (local_err) { |
5185f0e0 | 278 | goto error; |
ee46d8a5 | 279 | } |
ef523587 SH |
280 | |
281 | for (prop = prop_list; prop; prop = prop->next) { | |
07d09c58 | 282 | error_printf("%s.%s=%s", driver, |
ef523587 SH |
283 | prop->value->name, |
284 | prop->value->type); | |
07d09c58 GA |
285 | if (prop->value->has_description) { |
286 | error_printf(" (%s)\n", prop->value->description); | |
287 | } else { | |
288 | error_printf("\n"); | |
289 | } | |
ef523587 SH |
290 | } |
291 | ||
292 | qapi_free_DevicePropertyInfoList(prop_list); | |
ee46d8a5 | 293 | return 1; |
5185f0e0 EH |
294 | |
295 | error: | |
78288671 | 296 | error_report_err(local_err); |
5185f0e0 | 297 | return 1; |
ee46d8a5 AL |
298 | } |
299 | ||
57c9fafe | 300 | static Object *qdev_get_peripheral(void) |
ee46d8a5 | 301 | { |
8b45d447 | 302 | static Object *dev; |
ee46d8a5 AL |
303 | |
304 | if (dev == NULL) { | |
dfe47e70 | 305 | dev = container_get(qdev_get_machine(), "/peripheral"); |
ee46d8a5 AL |
306 | } |
307 | ||
8b45d447 | 308 | return dev; |
ee46d8a5 AL |
309 | } |
310 | ||
57c9fafe | 311 | static Object *qdev_get_peripheral_anon(void) |
ee46d8a5 | 312 | { |
8b45d447 | 313 | static Object *dev; |
ee46d8a5 AL |
314 | |
315 | if (dev == NULL) { | |
dfe47e70 | 316 | dev = container_get(qdev_get_machine(), "/peripheral-anon"); |
ee46d8a5 AL |
317 | } |
318 | ||
8b45d447 | 319 | return dev; |
ee46d8a5 AL |
320 | } |
321 | ||
50b7b000 | 322 | static void qbus_list_bus(DeviceState *dev, Error **errp) |
ee46d8a5 AL |
323 | { |
324 | BusState *child; | |
325 | const char *sep = " "; | |
326 | ||
50b7b000 EB |
327 | error_append_hint(errp, "child buses at \"%s\":", |
328 | dev->id ? dev->id : object_get_typename(OBJECT(dev))); | |
ee46d8a5 | 329 | QLIST_FOREACH(child, &dev->child_bus, sibling) { |
50b7b000 | 330 | error_append_hint(errp, "%s\"%s\"", sep, child->name); |
ee46d8a5 AL |
331 | sep = ", "; |
332 | } | |
543202c0 | 333 | error_append_hint(errp, "\n"); |
ee46d8a5 AL |
334 | } |
335 | ||
50b7b000 | 336 | static void qbus_list_dev(BusState *bus, Error **errp) |
ee46d8a5 | 337 | { |
0866aca1 | 338 | BusChild *kid; |
ee46d8a5 AL |
339 | const char *sep = " "; |
340 | ||
50b7b000 | 341 | error_append_hint(errp, "devices at \"%s\":", bus->name); |
0866aca1 AL |
342 | QTAILQ_FOREACH(kid, &bus->children, sibling) { |
343 | DeviceState *dev = kid->child; | |
50b7b000 EB |
344 | error_append_hint(errp, "%s\"%s\"", sep, |
345 | object_get_typename(OBJECT(dev))); | |
346 | if (dev->id) { | |
347 | error_append_hint(errp, "/\"%s\"", dev->id); | |
348 | } | |
ee46d8a5 AL |
349 | sep = ", "; |
350 | } | |
543202c0 | 351 | error_append_hint(errp, "\n"); |
ee46d8a5 AL |
352 | } |
353 | ||
354 | static BusState *qbus_find_bus(DeviceState *dev, char *elem) | |
355 | { | |
356 | BusState *child; | |
357 | ||
358 | QLIST_FOREACH(child, &dev->child_bus, sibling) { | |
359 | if (strcmp(child->name, elem) == 0) { | |
360 | return child; | |
361 | } | |
362 | } | |
363 | return NULL; | |
364 | } | |
365 | ||
366 | static DeviceState *qbus_find_dev(BusState *bus, char *elem) | |
367 | { | |
0866aca1 | 368 | BusChild *kid; |
ee46d8a5 AL |
369 | |
370 | /* | |
371 | * try to match in order: | |
372 | * (1) instance id, if present | |
373 | * (2) driver name | |
374 | * (3) driver alias, if present | |
375 | */ | |
0866aca1 AL |
376 | QTAILQ_FOREACH(kid, &bus->children, sibling) { |
377 | DeviceState *dev = kid->child; | |
ee46d8a5 AL |
378 | if (dev->id && strcmp(dev->id, elem) == 0) { |
379 | return dev; | |
380 | } | |
381 | } | |
0866aca1 AL |
382 | QTAILQ_FOREACH(kid, &bus->children, sibling) { |
383 | DeviceState *dev = kid->child; | |
ee46d8a5 AL |
384 | if (strcmp(object_get_typename(OBJECT(dev)), elem) == 0) { |
385 | return dev; | |
386 | } | |
387 | } | |
0866aca1 AL |
388 | QTAILQ_FOREACH(kid, &bus->children, sibling) { |
389 | DeviceState *dev = kid->child; | |
ee46d8a5 AL |
390 | DeviceClass *dc = DEVICE_GET_CLASS(dev); |
391 | ||
392 | if (qdev_class_has_alias(dc) && | |
393 | strcmp(qdev_class_get_alias(dc), elem) == 0) { | |
394 | return dev; | |
395 | } | |
396 | } | |
397 | return NULL; | |
398 | } | |
399 | ||
a5ec494e MA |
400 | static inline bool qbus_is_full(BusState *bus) |
401 | { | |
402 | BusClass *bus_class = BUS_GET_CLASS(bus); | |
403 | return bus_class->max_dev && bus->max_index >= bus_class->max_dev; | |
404 | } | |
405 | ||
406 | /* | |
407 | * Search the tree rooted at @bus for a bus. | |
408 | * If @name, search for a bus with that name. Note that bus names | |
409 | * need not be unique. Yes, that's screwed up. | |
410 | * Else search for a bus that is a subtype of @bus_typename. | |
411 | * If more than one exists, prefer one that can take another device. | |
412 | * Return the bus if found, else %NULL. | |
413 | */ | |
ee46d8a5 | 414 | static BusState *qbus_find_recursive(BusState *bus, const char *name, |
0d936928 | 415 | const char *bus_typename) |
ee46d8a5 | 416 | { |
0866aca1 | 417 | BusChild *kid; |
a5ec494e MA |
418 | BusState *pick, *child, *ret; |
419 | bool match; | |
420 | ||
421 | assert(name || bus_typename); | |
422 | if (name) { | |
423 | match = !strcmp(bus->name, name); | |
424 | } else { | |
425 | match = !!object_dynamic_cast(OBJECT(bus), bus_typename); | |
1395af6f | 426 | } |
a5ec494e MA |
427 | |
428 | if (match && !qbus_is_full(bus)) { | |
429 | return bus; /* root matches and isn't full */ | |
ee46d8a5 AL |
430 | } |
431 | ||
a5ec494e MA |
432 | pick = match ? bus : NULL; |
433 | ||
0866aca1 AL |
434 | QTAILQ_FOREACH(kid, &bus->children, sibling) { |
435 | DeviceState *dev = kid->child; | |
ee46d8a5 | 436 | QLIST_FOREACH(child, &dev->child_bus, sibling) { |
0d936928 | 437 | ret = qbus_find_recursive(child, name, bus_typename); |
a5ec494e MA |
438 | if (ret && !qbus_is_full(ret)) { |
439 | return ret; /* a descendant matches and isn't full */ | |
440 | } | |
441 | if (ret && !pick) { | |
442 | pick = ret; | |
ee46d8a5 AL |
443 | } |
444 | } | |
445 | } | |
a5ec494e MA |
446 | |
447 | /* root or a descendant matches, but is full */ | |
448 | return pick; | |
ee46d8a5 AL |
449 | } |
450 | ||
d2828429 | 451 | static BusState *qbus_find(const char *path, Error **errp) |
ee46d8a5 AL |
452 | { |
453 | DeviceState *dev; | |
454 | BusState *bus; | |
455 | char elem[128]; | |
456 | int pos, len; | |
457 | ||
458 | /* find start element */ | |
459 | if (path[0] == '/') { | |
460 | bus = sysbus_get_default(); | |
461 | pos = 0; | |
462 | } else { | |
463 | if (sscanf(path, "%127[^/]%n", elem, &len) != 1) { | |
464 | assert(!path[0]); | |
465 | elem[0] = len = 0; | |
466 | } | |
467 | bus = qbus_find_recursive(sysbus_get_default(), elem, NULL); | |
468 | if (!bus) { | |
d2828429 | 469 | error_setg(errp, "Bus '%s' not found", elem); |
ee46d8a5 AL |
470 | return NULL; |
471 | } | |
472 | pos = len; | |
473 | } | |
474 | ||
475 | for (;;) { | |
476 | assert(path[pos] == '/' || !path[pos]); | |
477 | while (path[pos] == '/') { | |
478 | pos++; | |
479 | } | |
480 | if (path[pos] == '\0') { | |
ed238ba2 | 481 | break; |
ee46d8a5 AL |
482 | } |
483 | ||
484 | /* find device */ | |
485 | if (sscanf(path+pos, "%127[^/]%n", elem, &len) != 1) { | |
dfc6f865 | 486 | g_assert_not_reached(); |
ee46d8a5 AL |
487 | elem[0] = len = 0; |
488 | } | |
489 | pos += len; | |
490 | dev = qbus_find_dev(bus, elem); | |
491 | if (!dev) { | |
75158ebb MA |
492 | error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND, |
493 | "Device '%s' not found", elem); | |
50b7b000 | 494 | qbus_list_dev(bus, errp); |
ee46d8a5 AL |
495 | return NULL; |
496 | } | |
497 | ||
498 | assert(path[pos] == '/' || !path[pos]); | |
499 | while (path[pos] == '/') { | |
500 | pos++; | |
501 | } | |
502 | if (path[pos] == '\0') { | |
503 | /* last specified element is a device. If it has exactly | |
504 | * one child bus accept it nevertheless */ | |
ed238ba2 MA |
505 | if (dev->num_child_bus == 1) { |
506 | bus = QLIST_FIRST(&dev->child_bus); | |
507 | break; | |
508 | } | |
509 | if (dev->num_child_bus) { | |
d2828429 MA |
510 | error_setg(errp, "Device '%s' has multiple child buses", |
511 | elem); | |
50b7b000 | 512 | qbus_list_bus(dev, errp); |
ed238ba2 | 513 | } else { |
d2828429 | 514 | error_setg(errp, "Device '%s' has no child bus", elem); |
ee46d8a5 | 515 | } |
ed238ba2 | 516 | return NULL; |
ee46d8a5 AL |
517 | } |
518 | ||
519 | /* find bus */ | |
520 | if (sscanf(path+pos, "%127[^/]%n", elem, &len) != 1) { | |
dfc6f865 | 521 | g_assert_not_reached(); |
ee46d8a5 AL |
522 | elem[0] = len = 0; |
523 | } | |
524 | pos += len; | |
525 | bus = qbus_find_bus(dev, elem); | |
526 | if (!bus) { | |
d2828429 | 527 | error_setg(errp, "Bus '%s' not found", elem); |
50b7b000 | 528 | qbus_list_bus(dev, errp); |
ee46d8a5 AL |
529 | return NULL; |
530 | } | |
531 | } | |
ed238ba2 MA |
532 | |
533 | if (qbus_is_full(bus)) { | |
d2828429 | 534 | error_setg(errp, "Bus '%s' is full", path); |
ed238ba2 MA |
535 | return NULL; |
536 | } | |
537 | return bus; | |
ee46d8a5 AL |
538 | } |
539 | ||
f006cf7f | 540 | DeviceState *qdev_device_add(QemuOpts *opts, Error **errp) |
ee46d8a5 | 541 | { |
f4d85795 | 542 | DeviceClass *dc; |
ee46d8a5 | 543 | const char *driver, *path, *id; |
2bcb0c62 | 544 | DeviceState *dev; |
2f7bd829 | 545 | BusState *bus = NULL; |
852e2c50 | 546 | Error *err = NULL; |
ee46d8a5 AL |
547 | |
548 | driver = qemu_opt_get(opts, "driver"); | |
549 | if (!driver) { | |
c6bd8c70 | 550 | error_setg(errp, QERR_MISSING_PARAMETER, "driver"); |
ee46d8a5 AL |
551 | return NULL; |
552 | } | |
553 | ||
554 | /* find driver */ | |
f006cf7f MA |
555 | dc = qdev_get_device_class(&driver, errp); |
556 | if (!dc) { | |
7ea5e78f MA |
557 | return NULL; |
558 | } | |
ee46d8a5 AL |
559 | |
560 | /* find bus */ | |
561 | path = qemu_opt_get(opts, "bus"); | |
562 | if (path != NULL) { | |
f006cf7f | 563 | bus = qbus_find(path, errp); |
ee46d8a5 AL |
564 | if (!bus) { |
565 | return NULL; | |
566 | } | |
f4d85795 | 567 | if (!object_dynamic_cast(OBJECT(bus), dc->bus_type)) { |
f006cf7f MA |
568 | error_setg(errp, "Device '%s' can't go on %s bus", |
569 | driver, object_get_typename(OBJECT(bus))); | |
ee46d8a5 AL |
570 | return NULL; |
571 | } | |
f4d85795 AF |
572 | } else if (dc->bus_type != NULL) { |
573 | bus = qbus_find_recursive(sysbus_get_default(), NULL, dc->bus_type); | |
a5ec494e | 574 | if (!bus || qbus_is_full(bus)) { |
f006cf7f MA |
575 | error_setg(errp, "No '%s' bus found for device '%s'", |
576 | dc->bus_type, driver); | |
ee46d8a5 AL |
577 | return NULL; |
578 | } | |
579 | } | |
39b888bd | 580 | if (qdev_hotplug && bus && !qbus_is_hotpluggable(bus)) { |
c6bd8c70 | 581 | error_setg(errp, QERR_BUS_NO_HOTPLUG, bus->name); |
ee46d8a5 AL |
582 | return NULL; |
583 | } | |
584 | ||
7b030949 | 585 | /* create device */ |
2bcb0c62 | 586 | dev = DEVICE(object_new(driver)); |
2f7bd829 AF |
587 | |
588 | if (bus) { | |
2bcb0c62 | 589 | qdev_set_parent_bus(dev, bus); |
2f7bd829 | 590 | } |
ee46d8a5 AL |
591 | |
592 | id = qemu_opts_id(opts); | |
593 | if (id) { | |
2bcb0c62 | 594 | dev->id = id; |
b2d4b3f7 | 595 | } |
7b030949 | 596 | |
2bcb0c62 AF |
597 | if (dev->id) { |
598 | object_property_add_child(qdev_get_peripheral(), dev->id, | |
599 | OBJECT(dev), NULL); | |
ee46d8a5 AL |
600 | } else { |
601 | static int anon_count; | |
602 | gchar *name = g_strdup_printf("device[%d]", anon_count++); | |
57c9fafe | 603 | object_property_add_child(qdev_get_peripheral_anon(), name, |
2bcb0c62 | 604 | OBJECT(dev), NULL); |
ee46d8a5 | 605 | g_free(name); |
2bcb0c62 | 606 | } |
52aa17cb | 607 | |
7b030949 | 608 | /* set properties */ |
4caa489d | 609 | if (qemu_opt_foreach(opts, set_property, dev, &err)) { |
f006cf7f | 610 | error_propagate(errp, err); |
7b030949 AK |
611 | object_unparent(OBJECT(dev)); |
612 | object_unref(OBJECT(dev)); | |
613 | return NULL; | |
614 | } | |
615 | ||
52aa17cb | 616 | dev->opts = opts; |
852e2c50 AF |
617 | object_property_set_bool(OBJECT(dev), true, "realized", &err); |
618 | if (err != NULL) { | |
f006cf7f | 619 | error_propagate(errp, err); |
52aa17cb | 620 | dev->opts = NULL; |
852e2c50 | 621 | object_unparent(OBJECT(dev)); |
2bcb0c62 | 622 | object_unref(OBJECT(dev)); |
f424d5c4 PB |
623 | return NULL; |
624 | } | |
2bcb0c62 | 625 | return dev; |
ee46d8a5 AL |
626 | } |
627 | ||
628 | ||
629 | #define qdev_printf(fmt, ...) monitor_printf(mon, "%*s" fmt, indent, "", ## __VA_ARGS__) | |
630 | static void qbus_print(Monitor *mon, BusState *bus, int indent); | |
631 | ||
632 | static void qdev_print_props(Monitor *mon, DeviceState *dev, Property *props, | |
bce54474 | 633 | int indent) |
ee46d8a5 | 634 | { |
ee46d8a5 AL |
635 | if (!props) |
636 | return; | |
d822979b PB |
637 | for (; props->name; props++) { |
638 | Error *err = NULL; | |
639 | char *value; | |
640 | char *legacy_name = g_strdup_printf("legacy-%s", props->name); | |
641 | if (object_property_get_type(OBJECT(dev), legacy_name, NULL)) { | |
642 | value = object_property_get_str(OBJECT(dev), legacy_name, &err); | |
643 | } else { | |
dae3bda4 | 644 | value = object_property_print(OBJECT(dev), props->name, true, &err); |
d822979b PB |
645 | } |
646 | g_free(legacy_name); | |
647 | ||
648 | if (err) { | |
649 | error_free(err); | |
650 | continue; | |
ee46d8a5 | 651 | } |
bce54474 | 652 | qdev_printf("%s = %s\n", props->name, |
d822979b PB |
653 | value && *value ? value : "<null>"); |
654 | g_free(value); | |
ee46d8a5 AL |
655 | } |
656 | } | |
657 | ||
0d936928 AL |
658 | static void bus_print_dev(BusState *bus, Monitor *mon, DeviceState *dev, int indent) |
659 | { | |
660 | BusClass *bc = BUS_GET_CLASS(bus); | |
661 | ||
662 | if (bc->print_dev) { | |
663 | bc->print_dev(mon, dev, indent); | |
664 | } | |
665 | } | |
666 | ||
ee46d8a5 AL |
667 | static void qdev_print(Monitor *mon, DeviceState *dev, int indent) |
668 | { | |
bce54474 | 669 | ObjectClass *class; |
ee46d8a5 | 670 | BusState *child; |
a5f54290 PC |
671 | NamedGPIOList *ngl; |
672 | ||
ee46d8a5 AL |
673 | qdev_printf("dev: %s, id \"%s\"\n", object_get_typename(OBJECT(dev)), |
674 | dev->id ? dev->id : ""); | |
675 | indent += 2; | |
a5f54290 PC |
676 | QLIST_FOREACH(ngl, &dev->gpios, node) { |
677 | if (ngl->num_in) { | |
678 | qdev_printf("gpio-in \"%s\" %d\n", ngl->name ? ngl->name : "", | |
679 | ngl->num_in); | |
680 | } | |
681 | if (ngl->num_out) { | |
682 | qdev_printf("gpio-out \"%s\" %d\n", ngl->name ? ngl->name : "", | |
683 | ngl->num_out); | |
684 | } | |
ee46d8a5 | 685 | } |
bce54474 PB |
686 | class = object_get_class(OBJECT(dev)); |
687 | do { | |
688 | qdev_print_props(mon, dev, DEVICE_CLASS(class)->props, indent); | |
689 | class = object_class_get_parent(class); | |
690 | } while (class != object_class_by_name(TYPE_DEVICE)); | |
da9fbe76 | 691 | bus_print_dev(dev->parent_bus, mon, dev, indent); |
ee46d8a5 AL |
692 | QLIST_FOREACH(child, &dev->child_bus, sibling) { |
693 | qbus_print(mon, child, indent); | |
694 | } | |
695 | } | |
696 | ||
697 | static void qbus_print(Monitor *mon, BusState *bus, int indent) | |
698 | { | |
0866aca1 | 699 | BusChild *kid; |
ee46d8a5 AL |
700 | |
701 | qdev_printf("bus: %s\n", bus->name); | |
702 | indent += 2; | |
0d936928 | 703 | qdev_printf("type %s\n", object_get_typename(OBJECT(bus))); |
0866aca1 AL |
704 | QTAILQ_FOREACH(kid, &bus->children, sibling) { |
705 | DeviceState *dev = kid->child; | |
ee46d8a5 AL |
706 | qdev_print(mon, dev, indent); |
707 | } | |
708 | } | |
709 | #undef qdev_printf | |
710 | ||
1ce6be24 | 711 | void hmp_info_qtree(Monitor *mon, const QDict *qdict) |
ee46d8a5 AL |
712 | { |
713 | if (sysbus_get_default()) | |
714 | qbus_print(mon, sysbus_get_default(), 0); | |
715 | } | |
716 | ||
1ce6be24 | 717 | void hmp_info_qdm(Monitor *mon, const QDict *qdict) |
ee46d8a5 | 718 | { |
a3400aee | 719 | qdev_print_devinfos(true); |
ee46d8a5 AL |
720 | } |
721 | ||
a01ff75f AF |
722 | typedef struct QOMCompositionState { |
723 | Monitor *mon; | |
724 | int indent; | |
725 | } QOMCompositionState; | |
726 | ||
727 | static void print_qom_composition(Monitor *mon, Object *obj, int indent); | |
728 | ||
729 | static int print_qom_composition_child(Object *obj, void *opaque) | |
730 | { | |
731 | QOMCompositionState *s = opaque; | |
732 | ||
733 | print_qom_composition(s->mon, obj, s->indent); | |
734 | ||
735 | return 0; | |
736 | } | |
737 | ||
738 | static void print_qom_composition(Monitor *mon, Object *obj, int indent) | |
739 | { | |
740 | QOMCompositionState s = { | |
741 | .mon = mon, | |
742 | .indent = indent + 2, | |
743 | }; | |
744 | char *name; | |
745 | ||
746 | if (obj == object_get_root()) { | |
747 | name = g_strdup(""); | |
748 | } else { | |
749 | name = object_get_canonical_path_component(obj); | |
750 | } | |
751 | monitor_printf(mon, "%*s/%s (%s)\n", indent, "", name, | |
752 | object_get_typename(obj)); | |
753 | g_free(name); | |
754 | object_child_foreach(obj, print_qom_composition_child, &s); | |
755 | } | |
756 | ||
757 | void hmp_info_qom_tree(Monitor *mon, const QDict *dict) | |
758 | { | |
759 | const char *path = qdict_get_try_str(dict, "path"); | |
760 | Object *obj; | |
761 | bool ambiguous = false; | |
762 | ||
763 | if (path) { | |
764 | obj = object_resolve_path(path, &ambiguous); | |
765 | if (!obj) { | |
766 | monitor_printf(mon, "Path '%s' could not be resolved.\n", path); | |
767 | return; | |
768 | } | |
769 | if (ambiguous) { | |
770 | monitor_printf(mon, "Warning: Path '%s' is ambiguous.\n", path); | |
771 | return; | |
772 | } | |
773 | } else { | |
774 | obj = qdev_get_machine(); | |
775 | } | |
776 | print_qom_composition(mon, obj, 0); | |
777 | } | |
778 | ||
485febc6 | 779 | void qmp_device_add(QDict *qdict, QObject **ret_data, Error **errp) |
ee46d8a5 | 780 | { |
4e89978e | 781 | Error *local_err = NULL; |
ee46d8a5 | 782 | QemuOpts *opts; |
b09995ae | 783 | DeviceState *dev; |
ee46d8a5 | 784 | |
4e89978e | 785 | opts = qemu_opts_from_qdict(qemu_find_opts("device"), qdict, &local_err); |
84d18f06 | 786 | if (local_err) { |
485febc6 MA |
787 | error_propagate(errp, local_err); |
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 | } |
f006cf7f | 794 | dev = qdev_device_add(opts, &local_err); |
b09995ae | 795 | if (!dev) { |
485febc6 | 796 | error_propagate(errp, local_err); |
ee46d8a5 | 797 | qemu_opts_del(opts); |
485febc6 | 798 | return; |
ee46d8a5 | 799 | } |
b09995ae | 800 | object_unref(OBJECT(dev)); |
ee46d8a5 AL |
801 | } |
802 | ||
a15fef21 | 803 | void qmp_device_del(const char *id, Error **errp) |
ee46d8a5 | 804 | { |
b6cc36ab | 805 | Object *obj; |
ee46d8a5 | 806 | |
6287d827 DB |
807 | if (id[0] == '/') { |
808 | obj = object_resolve_path(id, NULL); | |
809 | } else { | |
810 | char *root_path = object_get_canonical_path(qdev_get_peripheral()); | |
811 | char *path = g_strdup_printf("%s/%s", root_path, id); | |
812 | ||
813 | g_free(root_path); | |
814 | obj = object_resolve_path_type(path, TYPE_DEVICE, NULL); | |
815 | g_free(path); | |
816 | } | |
b6cc36ab IM |
817 | |
818 | if (!obj) { | |
75158ebb MA |
819 | error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND, |
820 | "Device '%s' not found", id); | |
a15fef21 | 821 | return; |
56f9107e LC |
822 | } |
823 | ||
6287d827 DB |
824 | if (!object_dynamic_cast(obj, TYPE_DEVICE)) { |
825 | error_setg(errp, "%s is not a hotpluggable device", id); | |
826 | return; | |
827 | } | |
828 | ||
b6cc36ab | 829 | qdev_unplug(DEVICE(obj), errp); |
ee46d8a5 AL |
830 | } |
831 | ||
832 | void qdev_machine_init(void) | |
833 | { | |
834 | qdev_get_peripheral_anon(); | |
835 | qdev_get_peripheral(); | |
836 | } | |
4d454574 PB |
837 | |
838 | QemuOptsList qemu_device_opts = { | |
839 | .name = "device", | |
840 | .implied_opt_name = "driver", | |
841 | .head = QTAILQ_HEAD_INITIALIZER(qemu_device_opts.head), | |
842 | .desc = { | |
843 | /* | |
844 | * no elements => accept any | |
845 | * sanity checking will happen later | |
846 | * when setting device properties | |
847 | */ | |
848 | { /* end of list */ } | |
849 | }, | |
850 | }; | |
851 | ||
852 | QemuOptsList qemu_global_opts = { | |
853 | .name = "global", | |
854 | .head = QTAILQ_HEAD_INITIALIZER(qemu_global_opts.head), | |
855 | .desc = { | |
856 | { | |
857 | .name = "driver", | |
858 | .type = QEMU_OPT_STRING, | |
859 | },{ | |
860 | .name = "property", | |
861 | .type = QEMU_OPT_STRING, | |
862 | },{ | |
863 | .name = "value", | |
864 | .type = QEMU_OPT_STRING, | |
865 | }, | |
866 | { /* end of list */ } | |
867 | }, | |
868 | }; | |
869 | ||
870 | int qemu_global_option(const char *str) | |
871 | { | |
872 | char driver[64], property[64]; | |
873 | QemuOpts *opts; | |
874 | int rc, offset; | |
875 | ||
3751d7c4 PB |
876 | rc = sscanf(str, "%63[^.=].%63[^=]%n", driver, property, &offset); |
877 | if (rc == 2 && str[offset] == '=') { | |
878 | opts = qemu_opts_create(&qemu_global_opts, NULL, 0, &error_abort); | |
879 | qemu_opt_set(opts, "driver", driver, &error_abort); | |
880 | qemu_opt_set(opts, "property", property, &error_abort); | |
881 | qemu_opt_set(opts, "value", str + offset + 1, &error_abort); | |
882 | return 0; | |
883 | } | |
884 | ||
70b94331 | 885 | opts = qemu_opts_parse_noisily(&qemu_global_opts, str, false); |
3751d7c4 | 886 | if (!opts) { |
4d454574 PB |
887 | return -1; |
888 | } | |
889 | ||
4d454574 PB |
890 | return 0; |
891 | } |