blob: 8e8ed4c13163f93da2b5d6d92cad451b72c9c2d7 [file] [log] [blame]
Anthony Liguoriee46d8a2011-12-22 15:24:20 -06001/*
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
Paolo Bonzinib4a42f82013-02-04 11:37:52 +010020#include "hw/qdev.h"
Andreas Färber2f7bd822013-04-16 03:50:21 +020021#include "hw/sysbus.h"
Paolo Bonzini83c90892012-12-17 18:19:49 +010022#include "monitor/monitor.h"
Paolo Bonzinib4a42f82013-02-04 11:37:52 +010023#include "monitor/qdev.h"
Luiz Capitulinoa15fef22012-03-29 12:38:50 -030024#include "qmp-commands.h"
Paolo Bonzini9c17d612012-12-17 18:20:04 +010025#include "sysemu/arch_init.h"
Paolo Bonzini1de7afc2012-12-17 18:20:00 +010026#include "qemu/config-file.h"
Anthony Liguoriee46d8a2011-12-22 15:24:20 -060027
28/*
29 * Aliases were a bad idea from the start. Let's keep them
30 * from spreading further.
31 */
32typedef struct QDevAlias
33{
34 const char *typename;
35 const char *alias;
Alexander Graf5f629d92012-05-18 02:36:26 +020036 uint32_t arch_mask;
Anthony Liguoriee46d8a2011-12-22 15:24:20 -060037} QDevAlias;
38
39static const QDevAlias qdev_alias_table[] = {
Alexander Graf5f629d92012-05-18 02:36:26 +020040 { "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 },
Anthony Liguoriee46d8a2011-12-22 15:24:20 -060048 { "lsi53c895a", "lsi" },
49 { "ich9-ahci", "ahci" },
Jan Kiszkac3ebd3b2012-08-30 20:30:00 +020050 { "kvm-pci-assign", "pci-assign" },
Anthony Liguoriee46d8a2011-12-22 15:24:20 -060051 { }
52};
53
54static 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++) {
Alexander Graf5f629d92012-05-18 02:36:26 +020060 if (qdev_alias_table[i].arch_mask &&
61 !(qdev_alias_table[i].arch_mask & arch_type)) {
62 continue;
63 }
64
Anthony Liguoriee46d8a2011-12-22 15:24:20 -060065 if (strcmp(qdev_alias_table[i].typename, typename) == 0) {
66 return qdev_alias_table[i].alias;
67 }
68 }
69
70 return NULL;
71}
72
73static bool qdev_class_has_alias(DeviceClass *dc)
74{
75 return (qdev_class_get_alias(dc) != NULL);
76}
77
Markus Armbrustera3400ae2013-10-10 15:00:21 +020078static void qdev_print_devinfo(DeviceClass *dc)
Anthony Liguoriee46d8a2011-12-22 15:24:20 -060079{
Markus Armbrustera3400ae2013-10-10 15:00:21 +020080 error_printf("name \"%s\"", object_class_get_name(OBJECT_CLASS(dc)));
Anthony Liguori0d936922012-05-02 09:00:20 +020081 if (dc->bus_type) {
82 error_printf(", bus %s", dc->bus_type);
Anthony Liguoriee46d8a2011-12-22 15:24:20 -060083 }
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->no_user) {
91 error_printf(", no-user");
92 }
93 error_printf("\n");
94}
95
Markus Armbrustera3400ae2013-10-10 15:00:21 +020096static 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
102static 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 && dc->no_user)) {
131 continue;
132 }
133 if (!cat_printed) {
134 error_printf("%s%s devices:\n", i ? "\n" : "",
135 cat_name[i]);
136 cat_printed = true;
137 }
138 qdev_print_devinfo(dc);
139 }
140 }
141
142 g_slist_free(list);
143}
144
Anthony Liguoriee46d8a2011-12-22 15:24:20 -0600145static int set_property(const char *name, const char *value, void *opaque)
146{
147 DeviceState *dev = opaque;
Andreas Färberb1fe9bc2013-05-01 16:10:24 +0200148 Error *err = NULL;
Anthony Liguoriee46d8a2011-12-22 15:24:20 -0600149
150 if (strcmp(name, "driver") == 0)
151 return 0;
152 if (strcmp(name, "bus") == 0)
153 return 0;
154
Andreas Färberb1fe9bc2013-05-01 16:10:24 +0200155 qdev_prop_parse(dev, name, value, &err);
156 if (err != NULL) {
157 qerror_report_err(err);
158 error_free(err);
Anthony Liguoriee46d8a2011-12-22 15:24:20 -0600159 return -1;
160 }
161 return 0;
162}
163
164static const char *find_typename_by_alias(const char *alias)
165{
166 int i;
167
168 for (i = 0; qdev_alias_table[i].alias; i++) {
Alexander Graf5f629d92012-05-18 02:36:26 +0200169 if (qdev_alias_table[i].arch_mask &&
170 !(qdev_alias_table[i].arch_mask & arch_type)) {
171 continue;
172 }
173
Anthony Liguoriee46d8a2011-12-22 15:24:20 -0600174 if (strcmp(qdev_alias_table[i].alias, alias) == 0) {
175 return qdev_alias_table[i].typename;
176 }
177 }
178
179 return NULL;
180}
181
182int qdev_device_help(QemuOpts *opts)
183{
184 const char *driver;
185 Property *prop;
186 ObjectClass *klass;
Anthony Liguoriee46d8a2011-12-22 15:24:20 -0600187
188 driver = qemu_opt_get(opts, "driver");
Peter Maydellc8057f92012-08-02 13:45:54 +0100189 if (driver && is_help_option(driver)) {
Markus Armbrustera3400ae2013-10-10 15:00:21 +0200190 qdev_print_devinfos(false);
Anthony Liguoriee46d8a2011-12-22 15:24:20 -0600191 return 1;
192 }
193
Peter Maydellc8057f92012-08-02 13:45:54 +0100194 if (!driver || !qemu_opt_has_help_opt(opts)) {
Anthony Liguoriee46d8a2011-12-22 15:24:20 -0600195 return 0;
196 }
197
198 klass = object_class_by_name(driver);
199 if (!klass) {
200 const char *typename = find_typename_by_alias(driver);
201
202 if (typename) {
203 driver = typename;
204 klass = object_class_by_name(driver);
205 }
206 }
207
208 if (!klass) {
209 return 0;
210 }
Paolo Bonzinibce54472012-03-28 18:12:47 +0200211 do {
212 for (prop = DEVICE_CLASS(klass)->props; prop && prop->name; prop++) {
213 /*
214 * TODO Properties without a parser are just for dirty hacks.
215 * qdev_prop_ptr is the only such PropertyInfo. It's marked
216 * for removal. This conditional should be removed along with
217 * it.
218 */
Paolo Bonzini90ca64a2012-05-02 13:30:59 +0200219 if (!prop->info->set) {
Anthony Liguorid03d6b42011-12-23 08:16:58 -0600220 continue; /* no way to set it, don't show */
221 }
222 error_printf("%s.%s=%s\n", driver, prop->name,
223 prop->info->legacy_name ?: prop->info->name);
Anthony Liguoriee46d8a2011-12-22 15:24:20 -0600224 }
Paolo Bonzinibce54472012-03-28 18:12:47 +0200225 klass = object_class_get_parent(klass);
226 } while (klass != object_class_by_name(TYPE_DEVICE));
Anthony Liguoriee46d8a2011-12-22 15:24:20 -0600227 return 1;
228}
229
Anthony Liguori57c9faf2012-01-30 08:55:55 -0600230static Object *qdev_get_peripheral(void)
Anthony Liguoriee46d8a2011-12-22 15:24:20 -0600231{
Anthony Liguori8b45d442011-12-23 09:08:05 -0600232 static Object *dev;
Anthony Liguoriee46d8a2011-12-22 15:24:20 -0600233
234 if (dev == NULL) {
Andreas Färberdfe47e72012-04-05 13:21:46 +0200235 dev = container_get(qdev_get_machine(), "/peripheral");
Anthony Liguoriee46d8a2011-12-22 15:24:20 -0600236 }
237
Anthony Liguori8b45d442011-12-23 09:08:05 -0600238 return dev;
Anthony Liguoriee46d8a2011-12-22 15:24:20 -0600239}
240
Anthony Liguori57c9faf2012-01-30 08:55:55 -0600241static Object *qdev_get_peripheral_anon(void)
Anthony Liguoriee46d8a2011-12-22 15:24:20 -0600242{
Anthony Liguori8b45d442011-12-23 09:08:05 -0600243 static Object *dev;
Anthony Liguoriee46d8a2011-12-22 15:24:20 -0600244
245 if (dev == NULL) {
Andreas Färberdfe47e72012-04-05 13:21:46 +0200246 dev = container_get(qdev_get_machine(), "/peripheral-anon");
Anthony Liguoriee46d8a2011-12-22 15:24:20 -0600247 }
248
Anthony Liguori8b45d442011-12-23 09:08:05 -0600249 return dev;
Anthony Liguoriee46d8a2011-12-22 15:24:20 -0600250}
251
252static void qbus_list_bus(DeviceState *dev)
253{
254 BusState *child;
255 const char *sep = " ";
256
257 error_printf("child busses at \"%s\":",
258 dev->id ? dev->id : object_get_typename(OBJECT(dev)));
259 QLIST_FOREACH(child, &dev->child_bus, sibling) {
260 error_printf("%s\"%s\"", sep, child->name);
261 sep = ", ";
262 }
263 error_printf("\n");
264}
265
266static void qbus_list_dev(BusState *bus)
267{
Anthony Liguori0866aca2011-12-23 15:34:39 -0600268 BusChild *kid;
Anthony Liguoriee46d8a2011-12-22 15:24:20 -0600269 const char *sep = " ";
270
271 error_printf("devices at \"%s\":", bus->name);
Anthony Liguori0866aca2011-12-23 15:34:39 -0600272 QTAILQ_FOREACH(kid, &bus->children, sibling) {
273 DeviceState *dev = kid->child;
Anthony Liguoriee46d8a2011-12-22 15:24:20 -0600274 error_printf("%s\"%s\"", sep, object_get_typename(OBJECT(dev)));
275 if (dev->id)
276 error_printf("/\"%s\"", dev->id);
277 sep = ", ";
278 }
279 error_printf("\n");
280}
281
282static BusState *qbus_find_bus(DeviceState *dev, char *elem)
283{
284 BusState *child;
285
286 QLIST_FOREACH(child, &dev->child_bus, sibling) {
287 if (strcmp(child->name, elem) == 0) {
288 return child;
289 }
290 }
291 return NULL;
292}
293
294static DeviceState *qbus_find_dev(BusState *bus, char *elem)
295{
Anthony Liguori0866aca2011-12-23 15:34:39 -0600296 BusChild *kid;
Anthony Liguoriee46d8a2011-12-22 15:24:20 -0600297
298 /*
299 * try to match in order:
300 * (1) instance id, if present
301 * (2) driver name
302 * (3) driver alias, if present
303 */
Anthony Liguori0866aca2011-12-23 15:34:39 -0600304 QTAILQ_FOREACH(kid, &bus->children, sibling) {
305 DeviceState *dev = kid->child;
Anthony Liguoriee46d8a2011-12-22 15:24:20 -0600306 if (dev->id && strcmp(dev->id, elem) == 0) {
307 return dev;
308 }
309 }
Anthony Liguori0866aca2011-12-23 15:34:39 -0600310 QTAILQ_FOREACH(kid, &bus->children, sibling) {
311 DeviceState *dev = kid->child;
Anthony Liguoriee46d8a2011-12-22 15:24:20 -0600312 if (strcmp(object_get_typename(OBJECT(dev)), elem) == 0) {
313 return dev;
314 }
315 }
Anthony Liguori0866aca2011-12-23 15:34:39 -0600316 QTAILQ_FOREACH(kid, &bus->children, sibling) {
317 DeviceState *dev = kid->child;
Anthony Liguoriee46d8a2011-12-22 15:24:20 -0600318 DeviceClass *dc = DEVICE_GET_CLASS(dev);
319
320 if (qdev_class_has_alias(dc) &&
321 strcmp(qdev_class_get_alias(dc), elem) == 0) {
322 return dev;
323 }
324 }
325 return NULL;
326}
327
328static BusState *qbus_find_recursive(BusState *bus, const char *name,
Anthony Liguori0d936922012-05-02 09:00:20 +0200329 const char *bus_typename)
Anthony Liguoriee46d8a2011-12-22 15:24:20 -0600330{
KONRAD Frederic1395af62013-01-15 00:08:00 +0100331 BusClass *bus_class = BUS_GET_CLASS(bus);
Anthony Liguori0866aca2011-12-23 15:34:39 -0600332 BusChild *kid;
Anthony Liguoriee46d8a2011-12-22 15:24:20 -0600333 BusState *child, *ret;
334 int match = 1;
335
336 if (name && (strcmp(bus->name, name) != 0)) {
337 match = 0;
Alexey Kardashevskiy95e2af92013-04-17 17:49:00 +1000338 } else if (bus_typename && !object_dynamic_cast(OBJECT(bus), bus_typename)) {
Anthony Liguoriee46d8a2011-12-22 15:24:20 -0600339 match = 0;
Alexey Kardashevskiy95e2af92013-04-17 17:49:00 +1000340 } else if ((bus_class->max_dev != 0) && (bus_class->max_dev <= bus->max_index)) {
KONRAD Frederic1395af62013-01-15 00:08:00 +0100341 if (name != NULL) {
342 /* bus was explicitly specified: return an error. */
343 qerror_report(ERROR_CLASS_GENERIC_ERROR, "Bus '%s' is full",
344 bus->name);
345 return NULL;
346 } else {
347 /* bus was not specified: try to find another one. */
348 match = 0;
349 }
350 }
Anthony Liguoriee46d8a2011-12-22 15:24:20 -0600351 if (match) {
352 return bus;
353 }
354
Anthony Liguori0866aca2011-12-23 15:34:39 -0600355 QTAILQ_FOREACH(kid, &bus->children, sibling) {
356 DeviceState *dev = kid->child;
Anthony Liguoriee46d8a2011-12-22 15:24:20 -0600357 QLIST_FOREACH(child, &dev->child_bus, sibling) {
Anthony Liguori0d936922012-05-02 09:00:20 +0200358 ret = qbus_find_recursive(child, name, bus_typename);
Anthony Liguoriee46d8a2011-12-22 15:24:20 -0600359 if (ret) {
360 return ret;
361 }
362 }
363 }
364 return NULL;
365}
366
367static BusState *qbus_find(const char *path)
368{
369 DeviceState *dev;
370 BusState *bus;
371 char elem[128];
372 int pos, len;
373
374 /* find start element */
375 if (path[0] == '/') {
376 bus = sysbus_get_default();
377 pos = 0;
378 } else {
379 if (sscanf(path, "%127[^/]%n", elem, &len) != 1) {
380 assert(!path[0]);
381 elem[0] = len = 0;
382 }
383 bus = qbus_find_recursive(sysbus_get_default(), elem, NULL);
384 if (!bus) {
385 qerror_report(QERR_BUS_NOT_FOUND, elem);
386 return NULL;
387 }
388 pos = len;
389 }
390
391 for (;;) {
392 assert(path[pos] == '/' || !path[pos]);
393 while (path[pos] == '/') {
394 pos++;
395 }
396 if (path[pos] == '\0') {
397 return bus;
398 }
399
400 /* find device */
401 if (sscanf(path+pos, "%127[^/]%n", elem, &len) != 1) {
Stefan Weildfc6f862013-07-25 18:21:28 +0200402 g_assert_not_reached();
Anthony Liguoriee46d8a2011-12-22 15:24:20 -0600403 elem[0] = len = 0;
404 }
405 pos += len;
406 dev = qbus_find_dev(bus, elem);
407 if (!dev) {
408 qerror_report(QERR_DEVICE_NOT_FOUND, elem);
409 if (!monitor_cur_is_qmp()) {
410 qbus_list_dev(bus);
411 }
412 return NULL;
413 }
414
415 assert(path[pos] == '/' || !path[pos]);
416 while (path[pos] == '/') {
417 pos++;
418 }
419 if (path[pos] == '\0') {
420 /* last specified element is a device. If it has exactly
421 * one child bus accept it nevertheless */
422 switch (dev->num_child_bus) {
423 case 0:
424 qerror_report(QERR_DEVICE_NO_BUS, elem);
425 return NULL;
426 case 1:
427 return QLIST_FIRST(&dev->child_bus);
428 default:
429 qerror_report(QERR_DEVICE_MULTIPLE_BUSSES, elem);
430 if (!monitor_cur_is_qmp()) {
431 qbus_list_bus(dev);
432 }
433 return NULL;
434 }
435 }
436
437 /* find bus */
438 if (sscanf(path+pos, "%127[^/]%n", elem, &len) != 1) {
Stefan Weildfc6f862013-07-25 18:21:28 +0200439 g_assert_not_reached();
Anthony Liguoriee46d8a2011-12-22 15:24:20 -0600440 elem[0] = len = 0;
441 }
442 pos += len;
443 bus = qbus_find_bus(dev, elem);
444 if (!bus) {
445 qerror_report(QERR_BUS_NOT_FOUND, elem);
446 if (!monitor_cur_is_qmp()) {
447 qbus_list_bus(dev);
448 }
449 return NULL;
450 }
451 }
452}
453
454DeviceState *qdev_device_add(QemuOpts *opts)
455{
Andreas Färberf4d85792013-08-24 01:21:22 +0200456 ObjectClass *oc;
457 DeviceClass *dc;
Anthony Liguoriee46d8a2011-12-22 15:24:20 -0600458 const char *driver, *path, *id;
459 DeviceState *qdev;
Andreas Färber2f7bd822013-04-16 03:50:21 +0200460 BusState *bus = NULL;
Anthony Liguoriee46d8a2011-12-22 15:24:20 -0600461
462 driver = qemu_opt_get(opts, "driver");
463 if (!driver) {
464 qerror_report(QERR_MISSING_PARAMETER, "driver");
465 return NULL;
466 }
467
468 /* find driver */
Andreas Färberf4d85792013-08-24 01:21:22 +0200469 oc = object_class_by_name(driver);
470 if (!oc) {
Anthony Liguoriee46d8a2011-12-22 15:24:20 -0600471 const char *typename = find_typename_by_alias(driver);
472
473 if (typename) {
474 driver = typename;
Andreas Färberf4d85792013-08-24 01:21:22 +0200475 oc = object_class_by_name(driver);
Anthony Liguoriee46d8a2011-12-22 15:24:20 -0600476 }
477 }
478
Andreas Färberf4d85792013-08-24 01:21:22 +0200479 if (!oc) {
Anthony Liguoriee46d8a2011-12-22 15:24:20 -0600480 qerror_report(QERR_INVALID_PARAMETER_VALUE, "driver", "device type");
481 return NULL;
482 }
483
Igor Mammedov2fa4e562013-09-17 15:32:32 +0200484 if (object_class_is_abstract(oc)) {
485 qerror_report(QERR_INVALID_PARAMETER_VALUE, "driver",
486 "non-abstract device type");
487 return NULL;
488 }
489
Andreas Färberf4d85792013-08-24 01:21:22 +0200490 dc = DEVICE_CLASS(oc);
Anthony Liguoriee46d8a2011-12-22 15:24:20 -0600491
492 /* find bus */
493 path = qemu_opt_get(opts, "bus");
494 if (path != NULL) {
495 bus = qbus_find(path);
496 if (!bus) {
497 return NULL;
498 }
Andreas Färberf4d85792013-08-24 01:21:22 +0200499 if (!object_dynamic_cast(OBJECT(bus), dc->bus_type)) {
Anthony Liguoriee46d8a2011-12-22 15:24:20 -0600500 qerror_report(QERR_BAD_BUS_FOR_DEVICE,
Anthony Liguori0d936922012-05-02 09:00:20 +0200501 driver, object_get_typename(OBJECT(bus)));
Anthony Liguoriee46d8a2011-12-22 15:24:20 -0600502 return NULL;
503 }
Andreas Färberf4d85792013-08-24 01:21:22 +0200504 } else if (dc->bus_type != NULL) {
505 bus = qbus_find_recursive(sysbus_get_default(), NULL, dc->bus_type);
Anthony Liguoriee46d8a2011-12-22 15:24:20 -0600506 if (!bus) {
507 qerror_report(QERR_NO_BUS_FOR_DEVICE,
Andreas Färberf4d85792013-08-24 01:21:22 +0200508 dc->bus_type, driver);
Anthony Liguoriee46d8a2011-12-22 15:24:20 -0600509 return NULL;
510 }
511 }
Andreas Färber2f7bd822013-04-16 03:50:21 +0200512 if (qdev_hotplug && bus && !bus->allow_hotplug) {
Anthony Liguoriee46d8a2011-12-22 15:24:20 -0600513 qerror_report(QERR_BUS_NO_HOTPLUG, bus->name);
514 return NULL;
515 }
516
Anthony Liguoriee46d8a2011-12-22 15:24:20 -0600517 /* create device, set properties */
518 qdev = DEVICE(object_new(driver));
Andreas Färber2f7bd822013-04-16 03:50:21 +0200519
520 if (bus) {
521 qdev_set_parent_bus(qdev, bus);
522 }
Anthony Liguoriee46d8a2011-12-22 15:24:20 -0600523
524 id = qemu_opts_id(opts);
525 if (id) {
526 qdev->id = id;
Anthony Liguorib2d4b3f2012-02-12 11:36:24 -0600527 }
528 if (qemu_opt_foreach(opts, set_property, qdev, 1) != 0) {
Stefan Hajnoczi02a5c4c2013-09-11 14:54:09 +0200529 object_unparent(OBJECT(qdev));
Stefan Hajnocziee6abeb2013-09-10 18:21:08 +0200530 object_unref(OBJECT(qdev));
Anthony Liguorib2d4b3f2012-02-12 11:36:24 -0600531 return NULL;
532 }
Anthony Liguorib2d4b3f2012-02-12 11:36:24 -0600533 if (qdev->id) {
Anthony Liguori57c9faf2012-01-30 08:55:55 -0600534 object_property_add_child(qdev_get_peripheral(), qdev->id,
535 OBJECT(qdev), NULL);
Anthony Liguoriee46d8a2011-12-22 15:24:20 -0600536 } else {
537 static int anon_count;
538 gchar *name = g_strdup_printf("device[%d]", anon_count++);
Anthony Liguori57c9faf2012-01-30 08:55:55 -0600539 object_property_add_child(qdev_get_peripheral_anon(), name,
540 OBJECT(qdev), NULL);
Anthony Liguoriee46d8a2011-12-22 15:24:20 -0600541 g_free(name);
542 }
Paolo Bonzinif424d5c2012-03-27 18:38:46 +0200543 if (qdev_init(qdev) < 0) {
Stefan Hajnocziee6abeb2013-09-10 18:21:08 +0200544 object_unref(OBJECT(qdev));
Paolo Bonzinif424d5c2012-03-27 18:38:46 +0200545 qerror_report(QERR_DEVICE_INIT_FAILED, driver);
546 return NULL;
547 }
Anthony Liguoriee46d8a2011-12-22 15:24:20 -0600548 qdev->opts = opts;
549 return qdev;
550}
551
552
553#define qdev_printf(fmt, ...) monitor_printf(mon, "%*s" fmt, indent, "", ## __VA_ARGS__)
554static void qbus_print(Monitor *mon, BusState *bus, int indent);
555
556static void qdev_print_props(Monitor *mon, DeviceState *dev, Property *props,
Paolo Bonzinibce54472012-03-28 18:12:47 +0200557 int indent)
Anthony Liguoriee46d8a2011-12-22 15:24:20 -0600558{
Anthony Liguoriee46d8a2011-12-22 15:24:20 -0600559 if (!props)
560 return;
Paolo Bonzinid8229792012-02-02 09:47:13 +0100561 for (; props->name; props++) {
562 Error *err = NULL;
563 char *value;
564 char *legacy_name = g_strdup_printf("legacy-%s", props->name);
565 if (object_property_get_type(OBJECT(dev), legacy_name, NULL)) {
566 value = object_property_get_str(OBJECT(dev), legacy_name, &err);
567 } else {
Paolo Bonzini8185bfc2012-05-02 13:31:00 +0200568 value = object_property_print(OBJECT(dev), props->name, &err);
Anthony Liguoriee46d8a2011-12-22 15:24:20 -0600569 }
Paolo Bonzinid8229792012-02-02 09:47:13 +0100570 g_free(legacy_name);
571
572 if (err) {
573 error_free(err);
574 continue;
575 }
Paolo Bonzinibce54472012-03-28 18:12:47 +0200576 qdev_printf("%s = %s\n", props->name,
Paolo Bonzinid8229792012-02-02 09:47:13 +0100577 value && *value ? value : "<null>");
578 g_free(value);
Anthony Liguoriee46d8a2011-12-22 15:24:20 -0600579 }
580}
581
Anthony Liguori0d936922012-05-02 09:00:20 +0200582static void bus_print_dev(BusState *bus, Monitor *mon, DeviceState *dev, int indent)
583{
584 BusClass *bc = BUS_GET_CLASS(bus);
585
586 if (bc->print_dev) {
587 bc->print_dev(mon, dev, indent);
588 }
589}
590
Anthony Liguoriee46d8a2011-12-22 15:24:20 -0600591static void qdev_print(Monitor *mon, DeviceState *dev, int indent)
592{
Paolo Bonzinibce54472012-03-28 18:12:47 +0200593 ObjectClass *class;
Anthony Liguoriee46d8a2011-12-22 15:24:20 -0600594 BusState *child;
595 qdev_printf("dev: %s, id \"%s\"\n", object_get_typename(OBJECT(dev)),
596 dev->id ? dev->id : "");
597 indent += 2;
598 if (dev->num_gpio_in) {
599 qdev_printf("gpio-in %d\n", dev->num_gpio_in);
600 }
601 if (dev->num_gpio_out) {
602 qdev_printf("gpio-out %d\n", dev->num_gpio_out);
603 }
Paolo Bonzinibce54472012-03-28 18:12:47 +0200604 class = object_get_class(OBJECT(dev));
605 do {
606 qdev_print_props(mon, dev, DEVICE_CLASS(class)->props, indent);
607 class = object_class_get_parent(class);
608 } while (class != object_class_by_name(TYPE_DEVICE));
Gerd Hoffmannda9fbe72012-07-11 12:21:23 +0200609 bus_print_dev(dev->parent_bus, mon, dev, indent);
Anthony Liguoriee46d8a2011-12-22 15:24:20 -0600610 QLIST_FOREACH(child, &dev->child_bus, sibling) {
611 qbus_print(mon, child, indent);
612 }
613}
614
615static void qbus_print(Monitor *mon, BusState *bus, int indent)
616{
Anthony Liguori0866aca2011-12-23 15:34:39 -0600617 BusChild *kid;
Anthony Liguoriee46d8a2011-12-22 15:24:20 -0600618
619 qdev_printf("bus: %s\n", bus->name);
620 indent += 2;
Anthony Liguori0d936922012-05-02 09:00:20 +0200621 qdev_printf("type %s\n", object_get_typename(OBJECT(bus)));
Anthony Liguori0866aca2011-12-23 15:34:39 -0600622 QTAILQ_FOREACH(kid, &bus->children, sibling) {
623 DeviceState *dev = kid->child;
Anthony Liguoriee46d8a2011-12-22 15:24:20 -0600624 qdev_print(mon, dev, indent);
625 }
626}
627#undef qdev_printf
628
Wenchao Xia84f2d0e2013-01-14 14:06:25 +0800629void do_info_qtree(Monitor *mon, const QDict *qdict)
Anthony Liguoriee46d8a2011-12-22 15:24:20 -0600630{
631 if (sysbus_get_default())
632 qbus_print(mon, sysbus_get_default(), 0);
633}
634
Wenchao Xia84f2d0e2013-01-14 14:06:25 +0800635void do_info_qdm(Monitor *mon, const QDict *qdict)
Anthony Liguoriee46d8a2011-12-22 15:24:20 -0600636{
Markus Armbrustera3400ae2013-10-10 15:00:21 +0200637 qdev_print_devinfos(true);
Anthony Liguoriee46d8a2011-12-22 15:24:20 -0600638}
639
640int do_device_add(Monitor *mon, const QDict *qdict, QObject **ret_data)
641{
Luiz Capitulino4e899782012-04-18 17:24:01 -0300642 Error *local_err = NULL;
Anthony Liguoriee46d8a2011-12-22 15:24:20 -0600643 QemuOpts *opts;
Paolo Bonzinib09995a2013-01-25 14:12:37 +0100644 DeviceState *dev;
Anthony Liguoriee46d8a2011-12-22 15:24:20 -0600645
Luiz Capitulino4e899782012-04-18 17:24:01 -0300646 opts = qemu_opts_from_qdict(qemu_find_opts("device"), qdict, &local_err);
647 if (error_is_set(&local_err)) {
648 qerror_report_err(local_err);
649 error_free(local_err);
Anthony Liguoriee46d8a2011-12-22 15:24:20 -0600650 return -1;
651 }
652 if (!monitor_cur_is_qmp() && qdev_device_help(opts)) {
653 qemu_opts_del(opts);
654 return 0;
655 }
Paolo Bonzinib09995a2013-01-25 14:12:37 +0100656 dev = qdev_device_add(opts);
657 if (!dev) {
Anthony Liguoriee46d8a2011-12-22 15:24:20 -0600658 qemu_opts_del(opts);
659 return -1;
660 }
Paolo Bonzinib09995a2013-01-25 14:12:37 +0100661 object_unref(OBJECT(dev));
Anthony Liguoriee46d8a2011-12-22 15:24:20 -0600662 return 0;
663}
664
Luiz Capitulinoa15fef22012-03-29 12:38:50 -0300665void qmp_device_del(const char *id, Error **errp)
Anthony Liguoriee46d8a2011-12-22 15:24:20 -0600666{
Anthony Liguoriee46d8a2011-12-22 15:24:20 -0600667 DeviceState *dev;
668
669 dev = qdev_find_recursive(sysbus_get_default(), id);
670 if (NULL == dev) {
Luiz Capitulinoa15fef22012-03-29 12:38:50 -0300671 error_set(errp, QERR_DEVICE_NOT_FOUND, id);
672 return;
Anthony Liguoriee46d8a2011-12-22 15:24:20 -0600673 }
Luiz Capitulino56f91072012-03-14 17:37:38 -0300674
Luiz Capitulinoa15fef22012-03-29 12:38:50 -0300675 qdev_unplug(dev, errp);
Anthony Liguoriee46d8a2011-12-22 15:24:20 -0600676}
677
678void qdev_machine_init(void)
679{
680 qdev_get_peripheral_anon();
681 qdev_get_peripheral();
682}
Paolo Bonzini4d454572012-11-26 16:03:42 +0100683
684QemuOptsList qemu_device_opts = {
685 .name = "device",
686 .implied_opt_name = "driver",
687 .head = QTAILQ_HEAD_INITIALIZER(qemu_device_opts.head),
688 .desc = {
689 /*
690 * no elements => accept any
691 * sanity checking will happen later
692 * when setting device properties
693 */
694 { /* end of list */ }
695 },
696};
697
698QemuOptsList qemu_global_opts = {
699 .name = "global",
700 .head = QTAILQ_HEAD_INITIALIZER(qemu_global_opts.head),
701 .desc = {
702 {
703 .name = "driver",
704 .type = QEMU_OPT_STRING,
705 },{
706 .name = "property",
707 .type = QEMU_OPT_STRING,
708 },{
709 .name = "value",
710 .type = QEMU_OPT_STRING,
711 },
712 { /* end of list */ }
713 },
714};
715
716int qemu_global_option(const char *str)
717{
718 char driver[64], property[64];
719 QemuOpts *opts;
720 int rc, offset;
721
722 rc = sscanf(str, "%63[^.].%63[^=]%n", driver, property, &offset);
723 if (rc < 2 || str[offset] != '=') {
724 error_report("can't parse: \"%s\"", str);
725 return -1;
726 }
727
728 opts = qemu_opts_create_nofail(&qemu_global_opts);
729 qemu_opt_set(opts, "driver", driver);
730 qemu_opt_set(opts, "property", property);
731 qemu_opt_set(opts, "value", str+offset+1);
732 return 0;
733}