root / hw / qdev.c @ 3d0f4b9b
History | View | Annotate | Download (20.6 kB)
1 | aae9460e | Paul Brook | /*
|
---|---|---|---|
2 | aae9460e | Paul Brook | * Dynamic device configuration and creation.
|
3 | aae9460e | Paul Brook | *
|
4 | aae9460e | Paul Brook | * Copyright (c) 2009 CodeSourcery
|
5 | aae9460e | Paul Brook | *
|
6 | aae9460e | Paul Brook | * This library is free software; you can redistribute it and/or
|
7 | aae9460e | Paul Brook | * modify it under the terms of the GNU Lesser General Public
|
8 | aae9460e | Paul Brook | * License as published by the Free Software Foundation; either
|
9 | aae9460e | Paul Brook | * version 2 of the License, or (at your option) any later version.
|
10 | aae9460e | Paul Brook | *
|
11 | aae9460e | Paul Brook | * This library is distributed in the hope that it will be useful,
|
12 | aae9460e | Paul Brook | * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
13 | aae9460e | Paul Brook | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
14 | aae9460e | Paul Brook | * Lesser General Public License for more details.
|
15 | aae9460e | Paul Brook | *
|
16 | aae9460e | Paul Brook | * You should have received a copy of the GNU Lesser General Public
|
17 | 8167ee88 | Blue Swirl | * License along with this library; if not, see <http://www.gnu.org/licenses/>.
|
18 | aae9460e | Paul Brook | */
|
19 | aae9460e | Paul Brook | |
20 | aae9460e | Paul Brook | /* The theory here is that it should be possible to create a machine without
|
21 | aae9460e | Paul Brook | knowledge of specific devices. Historically board init routines have
|
22 | aae9460e | Paul Brook | passed a bunch of arguments to each device, requiring the board know
|
23 | aae9460e | Paul Brook | exactly which device it is dealing with. This file provides an abstract
|
24 | aae9460e | Paul Brook | API for device configuration and initialization. Devices will generally
|
25 | aae9460e | Paul Brook | inherit from a particular bus (e.g. PCI or I2C) rather than
|
26 | aae9460e | Paul Brook | this API directly. */
|
27 | aae9460e | Paul Brook | |
28 | 9d07d757 | Paul Brook | #include "net.h" |
29 | aae9460e | Paul Brook | #include "qdev.h" |
30 | aae9460e | Paul Brook | #include "sysemu.h" |
31 | cae4956e | Gerd Hoffmann | #include "monitor.h" |
32 | 3ced9f7a | Luiz Capitulino | #include "qerror.h" |
33 | aae9460e | Paul Brook | |
34 | 3418bd25 | Gerd Hoffmann | static int qdev_hotplug = 0; |
35 | 3418bd25 | Gerd Hoffmann | |
36 | cdaed7c7 | Gerd Hoffmann | /* This is a nasty hack to allow passing a NULL bus to qdev_create. */
|
37 | b9aaf7f8 | Blue Swirl | static BusState *main_system_bus;
|
38 | 4d6ae674 | Paul Brook | |
39 | 0958b4cc | Gerd Hoffmann | DeviceInfo *device_info_list; |
40 | aae9460e | Paul Brook | |
41 | 8ffb1bcf | Gerd Hoffmann | static BusState *qbus_find_recursive(BusState *bus, const char *name, |
42 | 8ffb1bcf | Gerd Hoffmann | const BusInfo *info);
|
43 | 8ffb1bcf | Gerd Hoffmann | static BusState *qbus_find(const char *path); |
44 | 8ffb1bcf | Gerd Hoffmann | |
45 | aae9460e | Paul Brook | /* Register a new device type. */
|
46 | 074f2fff | Gerd Hoffmann | void qdev_register(DeviceInfo *info)
|
47 | aae9460e | Paul Brook | { |
48 | 074f2fff | Gerd Hoffmann | assert(info->size >= sizeof(DeviceState));
|
49 | 042f84d0 | Gerd Hoffmann | assert(!info->next); |
50 | aae9460e | Paul Brook | |
51 | 042f84d0 | Gerd Hoffmann | info->next = device_info_list; |
52 | 042f84d0 | Gerd Hoffmann | device_info_list = info; |
53 | aae9460e | Paul Brook | } |
54 | aae9460e | Paul Brook | |
55 | 81ebb98b | Gerd Hoffmann | static DeviceInfo *qdev_find_info(BusInfo *bus_info, const char *name) |
56 | 81ebb98b | Gerd Hoffmann | { |
57 | 81ebb98b | Gerd Hoffmann | DeviceInfo *info; |
58 | 81ebb98b | Gerd Hoffmann | |
59 | 3320e56e | Gerd Hoffmann | /* first check device names */
|
60 | 81ebb98b | Gerd Hoffmann | for (info = device_info_list; info != NULL; info = info->next) { |
61 | 81ebb98b | Gerd Hoffmann | if (bus_info && info->bus_info != bus_info)
|
62 | 81ebb98b | Gerd Hoffmann | continue;
|
63 | 81ebb98b | Gerd Hoffmann | if (strcmp(info->name, name) != 0) |
64 | 81ebb98b | Gerd Hoffmann | continue;
|
65 | 81ebb98b | Gerd Hoffmann | return info;
|
66 | 81ebb98b | Gerd Hoffmann | } |
67 | 3320e56e | Gerd Hoffmann | |
68 | 3320e56e | Gerd Hoffmann | /* failing that check the aliases */
|
69 | 3320e56e | Gerd Hoffmann | for (info = device_info_list; info != NULL; info = info->next) { |
70 | 3320e56e | Gerd Hoffmann | if (bus_info && info->bus_info != bus_info)
|
71 | 3320e56e | Gerd Hoffmann | continue;
|
72 | 3320e56e | Gerd Hoffmann | if (!info->alias)
|
73 | 3320e56e | Gerd Hoffmann | continue;
|
74 | 3320e56e | Gerd Hoffmann | if (strcmp(info->alias, name) != 0) |
75 | 3320e56e | Gerd Hoffmann | continue;
|
76 | 3320e56e | Gerd Hoffmann | return info;
|
77 | 3320e56e | Gerd Hoffmann | } |
78 | 81ebb98b | Gerd Hoffmann | return NULL; |
79 | 81ebb98b | Gerd Hoffmann | } |
80 | 81ebb98b | Gerd Hoffmann | |
81 | aae9460e | Paul Brook | /* Create a new device. This only initializes the device state structure
|
82 | aae9460e | Paul Brook | and allows properties to be set. qdev_init should be called to
|
83 | aae9460e | Paul Brook | initialize the actual device emulation. */
|
84 | 02e2da45 | Paul Brook | DeviceState *qdev_create(BusState *bus, const char *name) |
85 | aae9460e | Paul Brook | { |
86 | 042f84d0 | Gerd Hoffmann | DeviceInfo *info; |
87 | aae9460e | Paul Brook | DeviceState *dev; |
88 | aae9460e | Paul Brook | |
89 | 10c4c98a | Gerd Hoffmann | if (!bus) {
|
90 | 10c4c98a | Gerd Hoffmann | if (!main_system_bus) {
|
91 | 10c4c98a | Gerd Hoffmann | main_system_bus = qbus_create(&system_bus_info, NULL, "main-system-bus"); |
92 | aae9460e | Paul Brook | } |
93 | 10c4c98a | Gerd Hoffmann | bus = main_system_bus; |
94 | 10c4c98a | Gerd Hoffmann | } |
95 | 10c4c98a | Gerd Hoffmann | |
96 | 81ebb98b | Gerd Hoffmann | info = qdev_find_info(bus->info, name); |
97 | 042f84d0 | Gerd Hoffmann | if (!info) {
|
98 | 10c4c98a | Gerd Hoffmann | hw_error("Unknown device '%s' for bus '%s'\n", name, bus->info->name);
|
99 | aae9460e | Paul Brook | } |
100 | aae9460e | Paul Brook | |
101 | 042f84d0 | Gerd Hoffmann | dev = qemu_mallocz(info->size); |
102 | 042f84d0 | Gerd Hoffmann | dev->info = info; |
103 | 02e2da45 | Paul Brook | dev->parent_bus = bus; |
104 | ee6847d1 | Gerd Hoffmann | qdev_prop_set_defaults(dev, dev->info->props); |
105 | ee6847d1 | Gerd Hoffmann | qdev_prop_set_defaults(dev, dev->parent_bus->info->props); |
106 | 458fb679 | Gerd Hoffmann | qdev_prop_set_globals(dev); |
107 | 72cf2d4f | Blue Swirl | QLIST_INSERT_HEAD(&bus->children, dev, sibling); |
108 | 3418bd25 | Gerd Hoffmann | if (qdev_hotplug) {
|
109 | 3418bd25 | Gerd Hoffmann | assert(bus->allow_hotplug); |
110 | 3418bd25 | Gerd Hoffmann | dev->hotplugged = 1;
|
111 | 3418bd25 | Gerd Hoffmann | } |
112 | 131ec1bd | Gerd Hoffmann | dev->state = DEV_STATE_CREATED; |
113 | aae9460e | Paul Brook | return dev;
|
114 | aae9460e | Paul Brook | } |
115 | aae9460e | Paul Brook | |
116 | 1b524b04 | Gerd Hoffmann | static int qdev_print_devinfo(DeviceInfo *info, char *dest, int len) |
117 | 1b524b04 | Gerd Hoffmann | { |
118 | 1b524b04 | Gerd Hoffmann | int pos = 0; |
119 | 22f2e344 | Gerd Hoffmann | int ret;
|
120 | 22f2e344 | Gerd Hoffmann | |
121 | 22f2e344 | Gerd Hoffmann | ret = snprintf(dest+pos, len-pos, "name \"%s\", bus %s",
|
122 | 22f2e344 | Gerd Hoffmann | info->name, info->bus_info->name); |
123 | 22f2e344 | Gerd Hoffmann | pos += MIN(len-pos,ret); |
124 | 22f2e344 | Gerd Hoffmann | if (info->alias) {
|
125 | 22f2e344 | Gerd Hoffmann | ret = snprintf(dest+pos, len-pos, ", alias \"%s\"", info->alias);
|
126 | 22f2e344 | Gerd Hoffmann | pos += MIN(len-pos,ret); |
127 | 22f2e344 | Gerd Hoffmann | } |
128 | 22f2e344 | Gerd Hoffmann | if (info->desc) {
|
129 | 22f2e344 | Gerd Hoffmann | ret = snprintf(dest+pos, len-pos, ", desc \"%s\"", info->desc);
|
130 | 22f2e344 | Gerd Hoffmann | pos += MIN(len-pos,ret); |
131 | 22f2e344 | Gerd Hoffmann | } |
132 | 22f2e344 | Gerd Hoffmann | if (info->no_user) {
|
133 | 22f2e344 | Gerd Hoffmann | ret = snprintf(dest+pos, len-pos, ", no-user");
|
134 | 22f2e344 | Gerd Hoffmann | pos += MIN(len-pos,ret); |
135 | 22f2e344 | Gerd Hoffmann | } |
136 | 1b524b04 | Gerd Hoffmann | return pos;
|
137 | 1b524b04 | Gerd Hoffmann | } |
138 | 1b524b04 | Gerd Hoffmann | |
139 | f31d07d1 | Gerd Hoffmann | static int set_property(const char *name, const char *value, void *opaque) |
140 | 8ffb1bcf | Gerd Hoffmann | { |
141 | f31d07d1 | Gerd Hoffmann | DeviceState *dev = opaque; |
142 | f31d07d1 | Gerd Hoffmann | |
143 | f31d07d1 | Gerd Hoffmann | if (strcmp(name, "driver") == 0) |
144 | f31d07d1 | Gerd Hoffmann | return 0; |
145 | f31d07d1 | Gerd Hoffmann | if (strcmp(name, "bus") == 0) |
146 | f31d07d1 | Gerd Hoffmann | return 0; |
147 | f31d07d1 | Gerd Hoffmann | |
148 | 3df04ac3 | Mark McLoughlin | if (qdev_prop_parse(dev, name, value) == -1) { |
149 | 286c2321 | Gerd Hoffmann | qemu_error("can't set property \"%s\" to \"%s\" for \"%s\"\n",
|
150 | 286c2321 | Gerd Hoffmann | name, value, dev->info->name); |
151 | f31d07d1 | Gerd Hoffmann | return -1; |
152 | f31d07d1 | Gerd Hoffmann | } |
153 | f31d07d1 | Gerd Hoffmann | return 0; |
154 | f31d07d1 | Gerd Hoffmann | } |
155 | f31d07d1 | Gerd Hoffmann | |
156 | ff952ba2 | Markus Armbruster | int qdev_device_help(QemuOpts *opts)
|
157 | ff952ba2 | Markus Armbruster | { |
158 | ff952ba2 | Markus Armbruster | const char *driver; |
159 | ff952ba2 | Markus Armbruster | DeviceInfo *info; |
160 | ff952ba2 | Markus Armbruster | char msg[256]; |
161 | 08350cf0 | Markus Armbruster | Property *prop; |
162 | ff952ba2 | Markus Armbruster | |
163 | ff952ba2 | Markus Armbruster | driver = qemu_opt_get(opts, "driver");
|
164 | ff952ba2 | Markus Armbruster | if (driver && !strcmp(driver, "?")) { |
165 | ff952ba2 | Markus Armbruster | for (info = device_info_list; info != NULL; info = info->next) { |
166 | ff952ba2 | Markus Armbruster | qdev_print_devinfo(info, msg, sizeof(msg));
|
167 | ff952ba2 | Markus Armbruster | qemu_error("%s\n", msg);
|
168 | ff952ba2 | Markus Armbruster | } |
169 | ff952ba2 | Markus Armbruster | return 1; |
170 | ff952ba2 | Markus Armbruster | } |
171 | ff952ba2 | Markus Armbruster | |
172 | 08350cf0 | Markus Armbruster | if (!qemu_opt_get(opts, "?")) { |
173 | 08350cf0 | Markus Armbruster | return 0; |
174 | 08350cf0 | Markus Armbruster | } |
175 | 08350cf0 | Markus Armbruster | |
176 | 08350cf0 | Markus Armbruster | info = qdev_find_info(NULL, driver);
|
177 | 08350cf0 | Markus Armbruster | if (!info) {
|
178 | 08350cf0 | Markus Armbruster | return 0; |
179 | 08350cf0 | Markus Armbruster | } |
180 | 08350cf0 | Markus Armbruster | |
181 | 08350cf0 | Markus Armbruster | for (prop = info->props; prop && prop->name; prop++) {
|
182 | 117f8eb8 | Markus Armbruster | qemu_error("%s.%s=%s\n", info->name, prop->name, prop->info->name);
|
183 | 08350cf0 | Markus Armbruster | } |
184 | 08350cf0 | Markus Armbruster | return 1; |
185 | ff952ba2 | Markus Armbruster | } |
186 | ff952ba2 | Markus Armbruster | |
187 | f31d07d1 | Gerd Hoffmann | DeviceState *qdev_device_add(QemuOpts *opts) |
188 | f31d07d1 | Gerd Hoffmann | { |
189 | f31d07d1 | Gerd Hoffmann | const char *driver, *path, *id; |
190 | 8ffb1bcf | Gerd Hoffmann | DeviceInfo *info; |
191 | 8ffb1bcf | Gerd Hoffmann | DeviceState *qdev; |
192 | 8ffb1bcf | Gerd Hoffmann | BusState *bus; |
193 | 8ffb1bcf | Gerd Hoffmann | |
194 | f31d07d1 | Gerd Hoffmann | driver = qemu_opt_get(opts, "driver");
|
195 | f31d07d1 | Gerd Hoffmann | if (!driver) {
|
196 | 286c2321 | Gerd Hoffmann | qemu_error("-device: no driver specified\n");
|
197 | 8ffb1bcf | Gerd Hoffmann | return NULL; |
198 | 8ffb1bcf | Gerd Hoffmann | } |
199 | f31d07d1 | Gerd Hoffmann | |
200 | f31d07d1 | Gerd Hoffmann | /* find driver */
|
201 | 8ffb1bcf | Gerd Hoffmann | info = qdev_find_info(NULL, driver);
|
202 | 8ffb1bcf | Gerd Hoffmann | if (!info) {
|
203 | 3ced9f7a | Luiz Capitulino | qemu_error_new(QERR_DEVICE_NOT_FOUND, driver); |
204 | 8ffb1bcf | Gerd Hoffmann | return NULL; |
205 | 8ffb1bcf | Gerd Hoffmann | } |
206 | 8ffb1bcf | Gerd Hoffmann | if (info->no_user) {
|
207 | 286c2321 | Gerd Hoffmann | qemu_error("device \"%s\" can't be added via command line\n",
|
208 | 286c2321 | Gerd Hoffmann | info->name); |
209 | 8ffb1bcf | Gerd Hoffmann | return NULL; |
210 | 8ffb1bcf | Gerd Hoffmann | } |
211 | 8ffb1bcf | Gerd Hoffmann | |
212 | f31d07d1 | Gerd Hoffmann | /* find bus */
|
213 | f31d07d1 | Gerd Hoffmann | path = qemu_opt_get(opts, "bus");
|
214 | f31d07d1 | Gerd Hoffmann | if (path != NULL) { |
215 | 8ffb1bcf | Gerd Hoffmann | bus = qbus_find(path); |
216 | 8ffb1bcf | Gerd Hoffmann | } else {
|
217 | 8ffb1bcf | Gerd Hoffmann | bus = qbus_find_recursive(main_system_bus, NULL, info->bus_info);
|
218 | 8ffb1bcf | Gerd Hoffmann | } |
219 | 75570088 | Gerd Hoffmann | if (!bus) {
|
220 | 75570088 | Gerd Hoffmann | qemu_error("Did not find %s bus for %s\n",
|
221 | 75570088 | Gerd Hoffmann | path ? path : info->bus_info->name, info->name); |
222 | f31d07d1 | Gerd Hoffmann | return NULL; |
223 | 75570088 | Gerd Hoffmann | } |
224 | 3418bd25 | Gerd Hoffmann | if (qdev_hotplug && !bus->allow_hotplug) {
|
225 | 3418bd25 | Gerd Hoffmann | qemu_error("Bus %s does not support hotplugging\n",
|
226 | 3418bd25 | Gerd Hoffmann | bus->name); |
227 | 3418bd25 | Gerd Hoffmann | return NULL; |
228 | 3418bd25 | Gerd Hoffmann | } |
229 | 8ffb1bcf | Gerd Hoffmann | |
230 | f31d07d1 | Gerd Hoffmann | /* create device, set properties */
|
231 | f31d07d1 | Gerd Hoffmann | qdev = qdev_create(bus, driver); |
232 | f31d07d1 | Gerd Hoffmann | id = qemu_opts_id(opts); |
233 | f31d07d1 | Gerd Hoffmann | if (id) {
|
234 | f31d07d1 | Gerd Hoffmann | qdev->id = id; |
235 | f31d07d1 | Gerd Hoffmann | } |
236 | f31d07d1 | Gerd Hoffmann | if (qemu_opt_foreach(opts, set_property, qdev, 1) != 0) { |
237 | f31d07d1 | Gerd Hoffmann | qdev_free(qdev); |
238 | f31d07d1 | Gerd Hoffmann | return NULL; |
239 | 8ffb1bcf | Gerd Hoffmann | } |
240 | 5c17ca25 | Markus Armbruster | if (qdev_init(qdev) < 0) { |
241 | c8cd1fcd | Amit Shah | qemu_error("Error initializing device %s\n", driver);
|
242 | 81a322d4 | Gerd Hoffmann | return NULL; |
243 | 81a322d4 | Gerd Hoffmann | } |
244 | ef80b466 | Gerd Hoffmann | qdev->opts = opts; |
245 | 8ffb1bcf | Gerd Hoffmann | return qdev;
|
246 | 8ffb1bcf | Gerd Hoffmann | } |
247 | 8ffb1bcf | Gerd Hoffmann | |
248 | 7f23f812 | Michael S. Tsirkin | static void qdev_reset(void *opaque) |
249 | 7f23f812 | Michael S. Tsirkin | { |
250 | 7f23f812 | Michael S. Tsirkin | DeviceState *dev = opaque; |
251 | 7f23f812 | Michael S. Tsirkin | if (dev->info->reset)
|
252 | 7f23f812 | Michael S. Tsirkin | dev->info->reset(dev); |
253 | 7f23f812 | Michael S. Tsirkin | } |
254 | 7f23f812 | Michael S. Tsirkin | |
255 | aae9460e | Paul Brook | /* Initialize a device. Device properties should be set before calling
|
256 | aae9460e | Paul Brook | this function. IRQs and MMIO regions should be connected/mapped after
|
257 | 18cfeb52 | Markus Armbruster | calling this function.
|
258 | 18cfeb52 | Markus Armbruster | On failure, destroy the device and return negative value.
|
259 | 18cfeb52 | Markus Armbruster | Return 0 on success. */
|
260 | 81a322d4 | Gerd Hoffmann | int qdev_init(DeviceState *dev)
|
261 | aae9460e | Paul Brook | { |
262 | 959f733a | Gerd Hoffmann | int rc;
|
263 | 959f733a | Gerd Hoffmann | |
264 | 131ec1bd | Gerd Hoffmann | assert(dev->state == DEV_STATE_CREATED); |
265 | 959f733a | Gerd Hoffmann | rc = dev->info->init(dev, dev->info); |
266 | 18cfeb52 | Markus Armbruster | if (rc < 0) { |
267 | 18cfeb52 | Markus Armbruster | qdev_free(dev); |
268 | 959f733a | Gerd Hoffmann | return rc;
|
269 | 18cfeb52 | Markus Armbruster | } |
270 | 7f23f812 | Michael S. Tsirkin | qemu_register_reset(qdev_reset, dev); |
271 | 391a079e | Gerd Hoffmann | if (dev->info->vmsd)
|
272 | 391a079e | Gerd Hoffmann | vmstate_register(-1, dev->info->vmsd, dev);
|
273 | 131ec1bd | Gerd Hoffmann | dev->state = DEV_STATE_INITIALIZED; |
274 | 959f733a | Gerd Hoffmann | return 0; |
275 | 02e2da45 | Paul Brook | } |
276 | 02e2da45 | Paul Brook | |
277 | 3418bd25 | Gerd Hoffmann | int qdev_unplug(DeviceState *dev)
|
278 | 3418bd25 | Gerd Hoffmann | { |
279 | 3418bd25 | Gerd Hoffmann | if (!dev->parent_bus->allow_hotplug) {
|
280 | 3418bd25 | Gerd Hoffmann | qemu_error("Bus %s does not support hotplugging\n",
|
281 | 3418bd25 | Gerd Hoffmann | dev->parent_bus->name); |
282 | 3418bd25 | Gerd Hoffmann | return -1; |
283 | 3418bd25 | Gerd Hoffmann | } |
284 | 593831de | Amit Shah | assert(dev->info->unplug != NULL);
|
285 | 593831de | Amit Shah | |
286 | 3418bd25 | Gerd Hoffmann | return dev->info->unplug(dev);
|
287 | 3418bd25 | Gerd Hoffmann | } |
288 | 3418bd25 | Gerd Hoffmann | |
289 | 3418bd25 | Gerd Hoffmann | /* can be used as ->unplug() callback for the simple cases */
|
290 | 3418bd25 | Gerd Hoffmann | int qdev_simple_unplug_cb(DeviceState *dev)
|
291 | 3418bd25 | Gerd Hoffmann | { |
292 | 3418bd25 | Gerd Hoffmann | /* just zap it */
|
293 | 3418bd25 | Gerd Hoffmann | qdev_free(dev); |
294 | 3418bd25 | Gerd Hoffmann | return 0; |
295 | 3418bd25 | Gerd Hoffmann | } |
296 | 3418bd25 | Gerd Hoffmann | |
297 | e23a1b33 | Markus Armbruster | /* Like qdev_init(), but terminate program via hw_error() instead of
|
298 | e23a1b33 | Markus Armbruster | returning an error value. This is okay during machine creation.
|
299 | e23a1b33 | Markus Armbruster | Don't use for hotplug, because there callers need to recover from
|
300 | e23a1b33 | Markus Armbruster | failure. Exception: if you know the device's init() callback can't
|
301 | e23a1b33 | Markus Armbruster | fail, then qdev_init_nofail() can't fail either, and is therefore
|
302 | e23a1b33 | Markus Armbruster | usable even then. But relying on the device implementation that
|
303 | e23a1b33 | Markus Armbruster | way is somewhat unclean, and best avoided. */
|
304 | e23a1b33 | Markus Armbruster | void qdev_init_nofail(DeviceState *dev)
|
305 | e23a1b33 | Markus Armbruster | { |
306 | e23a1b33 | Markus Armbruster | DeviceInfo *info = dev->info; |
307 | e23a1b33 | Markus Armbruster | |
308 | e23a1b33 | Markus Armbruster | if (qdev_init(dev) < 0) |
309 | e23a1b33 | Markus Armbruster | hw_error("Initialization of device %s failed\n", info->name);
|
310 | e23a1b33 | Markus Armbruster | } |
311 | e23a1b33 | Markus Armbruster | |
312 | 02e2da45 | Paul Brook | /* Unlink device from bus and free the structure. */
|
313 | 02e2da45 | Paul Brook | void qdev_free(DeviceState *dev)
|
314 | 02e2da45 | Paul Brook | { |
315 | 131ec1bd | Gerd Hoffmann | BusState *bus; |
316 | 131ec1bd | Gerd Hoffmann | |
317 | 131ec1bd | Gerd Hoffmann | if (dev->state == DEV_STATE_INITIALIZED) {
|
318 | 131ec1bd | Gerd Hoffmann | while (dev->num_child_bus) {
|
319 | 131ec1bd | Gerd Hoffmann | bus = QLIST_FIRST(&dev->child_bus); |
320 | 131ec1bd | Gerd Hoffmann | qbus_free(bus); |
321 | 131ec1bd | Gerd Hoffmann | } |
322 | 131ec1bd | Gerd Hoffmann | if (dev->info->vmsd)
|
323 | 131ec1bd | Gerd Hoffmann | vmstate_unregister(dev->info->vmsd, dev); |
324 | d29275f1 | Gerd Hoffmann | if (dev->info->exit)
|
325 | d29275f1 | Gerd Hoffmann | dev->info->exit(dev); |
326 | ef80b466 | Gerd Hoffmann | if (dev->opts)
|
327 | ef80b466 | Gerd Hoffmann | qemu_opts_del(dev->opts); |
328 | 131ec1bd | Gerd Hoffmann | } |
329 | 7f23f812 | Michael S. Tsirkin | qemu_unregister_reset(qdev_reset, dev); |
330 | 72cf2d4f | Blue Swirl | QLIST_REMOVE(dev, sibling); |
331 | ccb63de3 | Gerd Hoffmann | qemu_free(dev); |
332 | aae9460e | Paul Brook | } |
333 | aae9460e | Paul Brook | |
334 | 3418bd25 | Gerd Hoffmann | void qdev_machine_creation_done(void) |
335 | 3418bd25 | Gerd Hoffmann | { |
336 | 3418bd25 | Gerd Hoffmann | /*
|
337 | 3418bd25 | Gerd Hoffmann | * ok, initial machine setup is done, starting from now we can
|
338 | 3418bd25 | Gerd Hoffmann | * only create hotpluggable devices
|
339 | 3418bd25 | Gerd Hoffmann | */
|
340 | 3418bd25 | Gerd Hoffmann | qdev_hotplug = 1;
|
341 | 3418bd25 | Gerd Hoffmann | } |
342 | 3418bd25 | Gerd Hoffmann | |
343 | aae9460e | Paul Brook | /* Get a character (serial) device interface. */
|
344 | aae9460e | Paul Brook | CharDriverState *qdev_init_chardev(DeviceState *dev) |
345 | aae9460e | Paul Brook | { |
346 | aae9460e | Paul Brook | static int next_serial; |
347 | 98b19252 | Amit Shah | |
348 | 98b19252 | Amit Shah | /* FIXME: This function needs to go away: use chardev properties! */
|
349 | 98b19252 | Amit Shah | return serial_hds[next_serial++];
|
350 | aae9460e | Paul Brook | } |
351 | aae9460e | Paul Brook | |
352 | 02e2da45 | Paul Brook | BusState *qdev_get_parent_bus(DeviceState *dev) |
353 | aae9460e | Paul Brook | { |
354 | 02e2da45 | Paul Brook | return dev->parent_bus;
|
355 | aae9460e | Paul Brook | } |
356 | aae9460e | Paul Brook | |
357 | aae9460e | Paul Brook | void qdev_init_gpio_in(DeviceState *dev, qemu_irq_handler handler, int n) |
358 | aae9460e | Paul Brook | { |
359 | aae9460e | Paul Brook | assert(dev->num_gpio_in == 0);
|
360 | aae9460e | Paul Brook | dev->num_gpio_in = n; |
361 | aae9460e | Paul Brook | dev->gpio_in = qemu_allocate_irqs(handler, dev, n); |
362 | aae9460e | Paul Brook | } |
363 | aae9460e | Paul Brook | |
364 | aae9460e | Paul Brook | void qdev_init_gpio_out(DeviceState *dev, qemu_irq *pins, int n) |
365 | aae9460e | Paul Brook | { |
366 | aae9460e | Paul Brook | assert(dev->num_gpio_out == 0);
|
367 | aae9460e | Paul Brook | dev->num_gpio_out = n; |
368 | aae9460e | Paul Brook | dev->gpio_out = pins; |
369 | aae9460e | Paul Brook | } |
370 | aae9460e | Paul Brook | |
371 | aae9460e | Paul Brook | qemu_irq qdev_get_gpio_in(DeviceState *dev, int n)
|
372 | aae9460e | Paul Brook | { |
373 | aae9460e | Paul Brook | assert(n >= 0 && n < dev->num_gpio_in);
|
374 | aae9460e | Paul Brook | return dev->gpio_in[n];
|
375 | aae9460e | Paul Brook | } |
376 | aae9460e | Paul Brook | |
377 | aae9460e | Paul Brook | void qdev_connect_gpio_out(DeviceState * dev, int n, qemu_irq pin) |
378 | aae9460e | Paul Brook | { |
379 | aae9460e | Paul Brook | assert(n >= 0 && n < dev->num_gpio_out);
|
380 | aae9460e | Paul Brook | dev->gpio_out[n] = pin; |
381 | aae9460e | Paul Brook | } |
382 | aae9460e | Paul Brook | |
383 | ed16ab5a | Gerd Hoffmann | void qdev_set_nic_properties(DeviceState *dev, NICInfo *nd)
|
384 | ed16ab5a | Gerd Hoffmann | { |
385 | ed16ab5a | Gerd Hoffmann | qdev_prop_set_macaddr(dev, "mac", nd->macaddr);
|
386 | ed16ab5a | Gerd Hoffmann | if (nd->vlan)
|
387 | ed16ab5a | Gerd Hoffmann | qdev_prop_set_vlan(dev, "vlan", nd->vlan);
|
388 | ed16ab5a | Gerd Hoffmann | if (nd->netdev)
|
389 | ed16ab5a | Gerd Hoffmann | qdev_prop_set_netdev(dev, "netdev", nd->netdev);
|
390 | 97b15621 | Gerd Hoffmann | if (nd->nvectors != NIC_NVECTORS_UNSPECIFIED &&
|
391 | 97b15621 | Gerd Hoffmann | qdev_prop_exists(dev, "vectors")) {
|
392 | 97b15621 | Gerd Hoffmann | qdev_prop_set_uint32(dev, "vectors", nd->nvectors);
|
393 | 97b15621 | Gerd Hoffmann | } |
394 | ed16ab5a | Gerd Hoffmann | } |
395 | ed16ab5a | Gerd Hoffmann | |
396 | aae9460e | Paul Brook | static int next_block_unit[IF_COUNT]; |
397 | aae9460e | Paul Brook | |
398 | aae9460e | Paul Brook | /* Get a block device. This should only be used for single-drive devices
|
399 | aae9460e | Paul Brook | (e.g. SD/Floppy/MTD). Multi-disk devices (scsi/ide) should use the
|
400 | aae9460e | Paul Brook | appropriate bus. */
|
401 | aae9460e | Paul Brook | BlockDriverState *qdev_init_bdrv(DeviceState *dev, BlockInterfaceType type) |
402 | aae9460e | Paul Brook | { |
403 | aae9460e | Paul Brook | int unit = next_block_unit[type]++;
|
404 | 751c6a17 | Gerd Hoffmann | DriveInfo *dinfo; |
405 | aae9460e | Paul Brook | |
406 | 751c6a17 | Gerd Hoffmann | dinfo = drive_get(type, 0, unit);
|
407 | 751c6a17 | Gerd Hoffmann | return dinfo ? dinfo->bdrv : NULL; |
408 | aae9460e | Paul Brook | } |
409 | 4d6ae674 | Paul Brook | |
410 | 02e2da45 | Paul Brook | BusState *qdev_get_child_bus(DeviceState *dev, const char *name) |
411 | 4d6ae674 | Paul Brook | { |
412 | 02e2da45 | Paul Brook | BusState *bus; |
413 | 4d6ae674 | Paul Brook | |
414 | 72cf2d4f | Blue Swirl | QLIST_FOREACH(bus, &dev->child_bus, sibling) { |
415 | 4d6ae674 | Paul Brook | if (strcmp(name, bus->name) == 0) { |
416 | 02e2da45 | Paul Brook | return bus;
|
417 | 4d6ae674 | Paul Brook | } |
418 | 4d6ae674 | Paul Brook | } |
419 | 4d6ae674 | Paul Brook | return NULL; |
420 | 4d6ae674 | Paul Brook | } |
421 | 4d6ae674 | Paul Brook | |
422 | 8ffb1bcf | Gerd Hoffmann | static BusState *qbus_find_recursive(BusState *bus, const char *name, |
423 | 8ffb1bcf | Gerd Hoffmann | const BusInfo *info)
|
424 | 8ffb1bcf | Gerd Hoffmann | { |
425 | 8ffb1bcf | Gerd Hoffmann | DeviceState *dev; |
426 | 8ffb1bcf | Gerd Hoffmann | BusState *child, *ret; |
427 | 8ffb1bcf | Gerd Hoffmann | int match = 1; |
428 | 8ffb1bcf | Gerd Hoffmann | |
429 | 8ffb1bcf | Gerd Hoffmann | if (name && (strcmp(bus->name, name) != 0)) { |
430 | 8ffb1bcf | Gerd Hoffmann | match = 0;
|
431 | 8ffb1bcf | Gerd Hoffmann | } |
432 | 8ffb1bcf | Gerd Hoffmann | if (info && (bus->info != info)) {
|
433 | 8ffb1bcf | Gerd Hoffmann | match = 0;
|
434 | 8ffb1bcf | Gerd Hoffmann | } |
435 | 8ffb1bcf | Gerd Hoffmann | if (match) {
|
436 | 8ffb1bcf | Gerd Hoffmann | return bus;
|
437 | 8ffb1bcf | Gerd Hoffmann | } |
438 | 8ffb1bcf | Gerd Hoffmann | |
439 | 72cf2d4f | Blue Swirl | QLIST_FOREACH(dev, &bus->children, sibling) { |
440 | 72cf2d4f | Blue Swirl | QLIST_FOREACH(child, &dev->child_bus, sibling) { |
441 | 8ffb1bcf | Gerd Hoffmann | ret = qbus_find_recursive(child, name, info); |
442 | 8ffb1bcf | Gerd Hoffmann | if (ret) {
|
443 | 8ffb1bcf | Gerd Hoffmann | return ret;
|
444 | 8ffb1bcf | Gerd Hoffmann | } |
445 | 8ffb1bcf | Gerd Hoffmann | } |
446 | 8ffb1bcf | Gerd Hoffmann | } |
447 | 8ffb1bcf | Gerd Hoffmann | return NULL; |
448 | 8ffb1bcf | Gerd Hoffmann | } |
449 | 8ffb1bcf | Gerd Hoffmann | |
450 | 3418bd25 | Gerd Hoffmann | static DeviceState *qdev_find_recursive(BusState *bus, const char *id) |
451 | 3418bd25 | Gerd Hoffmann | { |
452 | 3418bd25 | Gerd Hoffmann | DeviceState *dev, *ret; |
453 | 3418bd25 | Gerd Hoffmann | BusState *child; |
454 | 3418bd25 | Gerd Hoffmann | |
455 | 3418bd25 | Gerd Hoffmann | QLIST_FOREACH(dev, &bus->children, sibling) { |
456 | 3418bd25 | Gerd Hoffmann | if (dev->id && strcmp(dev->id, id) == 0) |
457 | 3418bd25 | Gerd Hoffmann | return dev;
|
458 | 3418bd25 | Gerd Hoffmann | QLIST_FOREACH(child, &dev->child_bus, sibling) { |
459 | 3418bd25 | Gerd Hoffmann | ret = qdev_find_recursive(child, id); |
460 | 3418bd25 | Gerd Hoffmann | if (ret) {
|
461 | 3418bd25 | Gerd Hoffmann | return ret;
|
462 | 3418bd25 | Gerd Hoffmann | } |
463 | 3418bd25 | Gerd Hoffmann | } |
464 | 3418bd25 | Gerd Hoffmann | } |
465 | 3418bd25 | Gerd Hoffmann | return NULL; |
466 | 3418bd25 | Gerd Hoffmann | } |
467 | 3418bd25 | Gerd Hoffmann | |
468 | 8ffb1bcf | Gerd Hoffmann | static void qbus_list_bus(DeviceState *dev, char *dest, int len) |
469 | 8ffb1bcf | Gerd Hoffmann | { |
470 | 8ffb1bcf | Gerd Hoffmann | BusState *child; |
471 | 8ffb1bcf | Gerd Hoffmann | const char *sep = " "; |
472 | 8ffb1bcf | Gerd Hoffmann | int pos = 0; |
473 | 8ffb1bcf | Gerd Hoffmann | |
474 | 8ffb1bcf | Gerd Hoffmann | pos += snprintf(dest+pos, len-pos,"child busses at \"%s\":",
|
475 | 8ffb1bcf | Gerd Hoffmann | dev->id ? dev->id : dev->info->name); |
476 | 72cf2d4f | Blue Swirl | QLIST_FOREACH(child, &dev->child_bus, sibling) { |
477 | 8ffb1bcf | Gerd Hoffmann | pos += snprintf(dest+pos, len-pos, "%s\"%s\"", sep, child->name);
|
478 | 8ffb1bcf | Gerd Hoffmann | sep = ", ";
|
479 | 8ffb1bcf | Gerd Hoffmann | } |
480 | 8ffb1bcf | Gerd Hoffmann | } |
481 | 8ffb1bcf | Gerd Hoffmann | |
482 | 8ffb1bcf | Gerd Hoffmann | static void qbus_list_dev(BusState *bus, char *dest, int len) |
483 | 8ffb1bcf | Gerd Hoffmann | { |
484 | 8ffb1bcf | Gerd Hoffmann | DeviceState *dev; |
485 | 8ffb1bcf | Gerd Hoffmann | const char *sep = " "; |
486 | 8ffb1bcf | Gerd Hoffmann | int pos = 0; |
487 | 8ffb1bcf | Gerd Hoffmann | |
488 | 8ffb1bcf | Gerd Hoffmann | pos += snprintf(dest+pos, len-pos, "devices at \"%s\":",
|
489 | 8ffb1bcf | Gerd Hoffmann | bus->name); |
490 | 72cf2d4f | Blue Swirl | QLIST_FOREACH(dev, &bus->children, sibling) { |
491 | 8ffb1bcf | Gerd Hoffmann | pos += snprintf(dest+pos, len-pos, "%s\"%s\"",
|
492 | 8ffb1bcf | Gerd Hoffmann | sep, dev->info->name); |
493 | 8ffb1bcf | Gerd Hoffmann | if (dev->id)
|
494 | 8ffb1bcf | Gerd Hoffmann | pos += snprintf(dest+pos, len-pos, "/\"%s\"", dev->id);
|
495 | 8ffb1bcf | Gerd Hoffmann | sep = ", ";
|
496 | 8ffb1bcf | Gerd Hoffmann | } |
497 | 8ffb1bcf | Gerd Hoffmann | } |
498 | 8ffb1bcf | Gerd Hoffmann | |
499 | 8ffb1bcf | Gerd Hoffmann | static BusState *qbus_find_bus(DeviceState *dev, char *elem) |
500 | 8ffb1bcf | Gerd Hoffmann | { |
501 | 8ffb1bcf | Gerd Hoffmann | BusState *child; |
502 | 8ffb1bcf | Gerd Hoffmann | |
503 | 72cf2d4f | Blue Swirl | QLIST_FOREACH(child, &dev->child_bus, sibling) { |
504 | 8ffb1bcf | Gerd Hoffmann | if (strcmp(child->name, elem) == 0) { |
505 | 8ffb1bcf | Gerd Hoffmann | return child;
|
506 | 8ffb1bcf | Gerd Hoffmann | } |
507 | 8ffb1bcf | Gerd Hoffmann | } |
508 | 8ffb1bcf | Gerd Hoffmann | return NULL; |
509 | 8ffb1bcf | Gerd Hoffmann | } |
510 | 8ffb1bcf | Gerd Hoffmann | |
511 | 8ffb1bcf | Gerd Hoffmann | static DeviceState *qbus_find_dev(BusState *bus, char *elem) |
512 | 8ffb1bcf | Gerd Hoffmann | { |
513 | 8ffb1bcf | Gerd Hoffmann | DeviceState *dev; |
514 | 8ffb1bcf | Gerd Hoffmann | |
515 | 8ffb1bcf | Gerd Hoffmann | /*
|
516 | 8ffb1bcf | Gerd Hoffmann | * try to match in order:
|
517 | 8ffb1bcf | Gerd Hoffmann | * (1) instance id, if present
|
518 | 8ffb1bcf | Gerd Hoffmann | * (2) driver name
|
519 | 8ffb1bcf | Gerd Hoffmann | * (3) driver alias, if present
|
520 | 8ffb1bcf | Gerd Hoffmann | */
|
521 | 72cf2d4f | Blue Swirl | QLIST_FOREACH(dev, &bus->children, sibling) { |
522 | 8ffb1bcf | Gerd Hoffmann | if (dev->id && strcmp(dev->id, elem) == 0) { |
523 | 8ffb1bcf | Gerd Hoffmann | return dev;
|
524 | 8ffb1bcf | Gerd Hoffmann | } |
525 | 8ffb1bcf | Gerd Hoffmann | } |
526 | 72cf2d4f | Blue Swirl | QLIST_FOREACH(dev, &bus->children, sibling) { |
527 | 8ffb1bcf | Gerd Hoffmann | if (strcmp(dev->info->name, elem) == 0) { |
528 | 8ffb1bcf | Gerd Hoffmann | return dev;
|
529 | 8ffb1bcf | Gerd Hoffmann | } |
530 | 8ffb1bcf | Gerd Hoffmann | } |
531 | 72cf2d4f | Blue Swirl | QLIST_FOREACH(dev, &bus->children, sibling) { |
532 | 8ffb1bcf | Gerd Hoffmann | if (dev->info->alias && strcmp(dev->info->alias, elem) == 0) { |
533 | 8ffb1bcf | Gerd Hoffmann | return dev;
|
534 | 8ffb1bcf | Gerd Hoffmann | } |
535 | 8ffb1bcf | Gerd Hoffmann | } |
536 | 8ffb1bcf | Gerd Hoffmann | return NULL; |
537 | 8ffb1bcf | Gerd Hoffmann | } |
538 | 8ffb1bcf | Gerd Hoffmann | |
539 | 8ffb1bcf | Gerd Hoffmann | static BusState *qbus_find(const char *path) |
540 | 8ffb1bcf | Gerd Hoffmann | { |
541 | 8ffb1bcf | Gerd Hoffmann | DeviceState *dev; |
542 | 8ffb1bcf | Gerd Hoffmann | BusState *bus; |
543 | 8ffb1bcf | Gerd Hoffmann | char elem[128], msg[256]; |
544 | 8ffb1bcf | Gerd Hoffmann | int pos, len;
|
545 | 8ffb1bcf | Gerd Hoffmann | |
546 | 8ffb1bcf | Gerd Hoffmann | /* find start element */
|
547 | 8ffb1bcf | Gerd Hoffmann | if (path[0] == '/') { |
548 | 8ffb1bcf | Gerd Hoffmann | bus = main_system_bus; |
549 | 8ffb1bcf | Gerd Hoffmann | pos = 0;
|
550 | 8ffb1bcf | Gerd Hoffmann | } else {
|
551 | 8ffb1bcf | Gerd Hoffmann | if (sscanf(path, "%127[^/]%n", elem, &len) != 1) { |
552 | 286c2321 | Gerd Hoffmann | qemu_error("path parse error (\"%s\")\n", path);
|
553 | 8ffb1bcf | Gerd Hoffmann | return NULL; |
554 | 8ffb1bcf | Gerd Hoffmann | } |
555 | 8ffb1bcf | Gerd Hoffmann | bus = qbus_find_recursive(main_system_bus, elem, NULL);
|
556 | 8ffb1bcf | Gerd Hoffmann | if (!bus) {
|
557 | 286c2321 | Gerd Hoffmann | qemu_error("bus \"%s\" not found\n", elem);
|
558 | 8ffb1bcf | Gerd Hoffmann | return NULL; |
559 | 8ffb1bcf | Gerd Hoffmann | } |
560 | 8ffb1bcf | Gerd Hoffmann | pos = len; |
561 | 8ffb1bcf | Gerd Hoffmann | } |
562 | 8ffb1bcf | Gerd Hoffmann | |
563 | 8ffb1bcf | Gerd Hoffmann | for (;;) {
|
564 | 8ffb1bcf | Gerd Hoffmann | if (path[pos] == '\0') { |
565 | 8ffb1bcf | Gerd Hoffmann | /* we are done */
|
566 | 8ffb1bcf | Gerd Hoffmann | return bus;
|
567 | 8ffb1bcf | Gerd Hoffmann | } |
568 | 8ffb1bcf | Gerd Hoffmann | |
569 | 8ffb1bcf | Gerd Hoffmann | /* find device */
|
570 | 8ffb1bcf | Gerd Hoffmann | if (sscanf(path+pos, "/%127[^/]%n", elem, &len) != 1) { |
571 | 286c2321 | Gerd Hoffmann | qemu_error("path parse error (\"%s\" pos %d)\n", path, pos);
|
572 | 8ffb1bcf | Gerd Hoffmann | return NULL; |
573 | 8ffb1bcf | Gerd Hoffmann | } |
574 | 8ffb1bcf | Gerd Hoffmann | pos += len; |
575 | 8ffb1bcf | Gerd Hoffmann | dev = qbus_find_dev(bus, elem); |
576 | 8ffb1bcf | Gerd Hoffmann | if (!dev) {
|
577 | 8ffb1bcf | Gerd Hoffmann | qbus_list_dev(bus, msg, sizeof(msg));
|
578 | 286c2321 | Gerd Hoffmann | qemu_error("device \"%s\" not found\n%s\n", elem, msg);
|
579 | 8ffb1bcf | Gerd Hoffmann | return NULL; |
580 | 8ffb1bcf | Gerd Hoffmann | } |
581 | 8ffb1bcf | Gerd Hoffmann | if (path[pos] == '\0') { |
582 | 8ffb1bcf | Gerd Hoffmann | /* last specified element is a device. If it has exactly
|
583 | 8ffb1bcf | Gerd Hoffmann | * one child bus accept it nevertheless */
|
584 | 8ffb1bcf | Gerd Hoffmann | switch (dev->num_child_bus) {
|
585 | 8ffb1bcf | Gerd Hoffmann | case 0: |
586 | 286c2321 | Gerd Hoffmann | qemu_error("device has no child bus (%s)\n", path);
|
587 | 8ffb1bcf | Gerd Hoffmann | return NULL; |
588 | 8ffb1bcf | Gerd Hoffmann | case 1: |
589 | 72cf2d4f | Blue Swirl | return QLIST_FIRST(&dev->child_bus);
|
590 | 8ffb1bcf | Gerd Hoffmann | default:
|
591 | 8ffb1bcf | Gerd Hoffmann | qbus_list_bus(dev, msg, sizeof(msg));
|
592 | 286c2321 | Gerd Hoffmann | qemu_error("device has multiple child busses (%s)\n%s\n",
|
593 | 286c2321 | Gerd Hoffmann | path, msg); |
594 | 8ffb1bcf | Gerd Hoffmann | return NULL; |
595 | 8ffb1bcf | Gerd Hoffmann | } |
596 | 8ffb1bcf | Gerd Hoffmann | } |
597 | 8ffb1bcf | Gerd Hoffmann | |
598 | 8ffb1bcf | Gerd Hoffmann | /* find bus */
|
599 | 8ffb1bcf | Gerd Hoffmann | if (sscanf(path+pos, "/%127[^/]%n", elem, &len) != 1) { |
600 | 286c2321 | Gerd Hoffmann | qemu_error("path parse error (\"%s\" pos %d)\n", path, pos);
|
601 | 8ffb1bcf | Gerd Hoffmann | return NULL; |
602 | 8ffb1bcf | Gerd Hoffmann | } |
603 | 8ffb1bcf | Gerd Hoffmann | pos += len; |
604 | 8ffb1bcf | Gerd Hoffmann | bus = qbus_find_bus(dev, elem); |
605 | 8ffb1bcf | Gerd Hoffmann | if (!bus) {
|
606 | 8ffb1bcf | Gerd Hoffmann | qbus_list_bus(dev, msg, sizeof(msg));
|
607 | 286c2321 | Gerd Hoffmann | qemu_error("child bus \"%s\" not found\n%s\n", elem, msg);
|
608 | 8ffb1bcf | Gerd Hoffmann | return NULL; |
609 | 8ffb1bcf | Gerd Hoffmann | } |
610 | 8ffb1bcf | Gerd Hoffmann | } |
611 | 8ffb1bcf | Gerd Hoffmann | } |
612 | 8ffb1bcf | Gerd Hoffmann | |
613 | cd739fb6 | Gerd Hoffmann | void qbus_create_inplace(BusState *bus, BusInfo *info,
|
614 | cd739fb6 | Gerd Hoffmann | DeviceState *parent, const char *name) |
615 | 02e2da45 | Paul Brook | { |
616 | d271de9f | Gerd Hoffmann | char *buf;
|
617 | d271de9f | Gerd Hoffmann | int i,len;
|
618 | 02e2da45 | Paul Brook | |
619 | 10c4c98a | Gerd Hoffmann | bus->info = info; |
620 | 02e2da45 | Paul Brook | bus->parent = parent; |
621 | d271de9f | Gerd Hoffmann | |
622 | d271de9f | Gerd Hoffmann | if (name) {
|
623 | d271de9f | Gerd Hoffmann | /* use supplied name */
|
624 | d271de9f | Gerd Hoffmann | bus->name = qemu_strdup(name); |
625 | d271de9f | Gerd Hoffmann | } else if (parent && parent->id) { |
626 | d271de9f | Gerd Hoffmann | /* parent device has id -> use it for bus name */
|
627 | d271de9f | Gerd Hoffmann | len = strlen(parent->id) + 16;
|
628 | d271de9f | Gerd Hoffmann | buf = qemu_malloc(len); |
629 | d271de9f | Gerd Hoffmann | snprintf(buf, len, "%s.%d", parent->id, parent->num_child_bus);
|
630 | d271de9f | Gerd Hoffmann | bus->name = buf; |
631 | d271de9f | Gerd Hoffmann | } else {
|
632 | d271de9f | Gerd Hoffmann | /* no id -> use lowercase bus type for bus name */
|
633 | d271de9f | Gerd Hoffmann | len = strlen(info->name) + 16;
|
634 | d271de9f | Gerd Hoffmann | buf = qemu_malloc(len); |
635 | d271de9f | Gerd Hoffmann | len = snprintf(buf, len, "%s.%d", info->name,
|
636 | d271de9f | Gerd Hoffmann | parent ? parent->num_child_bus : 0);
|
637 | d271de9f | Gerd Hoffmann | for (i = 0; i < len; i++) |
638 | bb87ece5 | Christoph Egger | buf[i] = qemu_tolower(buf[i]); |
639 | d271de9f | Gerd Hoffmann | bus->name = buf; |
640 | d271de9f | Gerd Hoffmann | } |
641 | d271de9f | Gerd Hoffmann | |
642 | 72cf2d4f | Blue Swirl | QLIST_INIT(&bus->children); |
643 | 02e2da45 | Paul Brook | if (parent) {
|
644 | 72cf2d4f | Blue Swirl | QLIST_INSERT_HEAD(&parent->child_bus, bus, sibling); |
645 | d271de9f | Gerd Hoffmann | parent->num_child_bus++; |
646 | 02e2da45 | Paul Brook | } |
647 | cd739fb6 | Gerd Hoffmann | |
648 | cd739fb6 | Gerd Hoffmann | } |
649 | cd739fb6 | Gerd Hoffmann | |
650 | cd739fb6 | Gerd Hoffmann | BusState *qbus_create(BusInfo *info, DeviceState *parent, const char *name) |
651 | cd739fb6 | Gerd Hoffmann | { |
652 | cd739fb6 | Gerd Hoffmann | BusState *bus; |
653 | cd739fb6 | Gerd Hoffmann | |
654 | cd739fb6 | Gerd Hoffmann | bus = qemu_mallocz(info->size); |
655 | cd739fb6 | Gerd Hoffmann | bus->qdev_allocated = 1;
|
656 | cd739fb6 | Gerd Hoffmann | qbus_create_inplace(bus, info, parent, name); |
657 | 02e2da45 | Paul Brook | return bus;
|
658 | 02e2da45 | Paul Brook | } |
659 | cae4956e | Gerd Hoffmann | |
660 | 131ec1bd | Gerd Hoffmann | void qbus_free(BusState *bus)
|
661 | 131ec1bd | Gerd Hoffmann | { |
662 | 131ec1bd | Gerd Hoffmann | DeviceState *dev; |
663 | 131ec1bd | Gerd Hoffmann | |
664 | 131ec1bd | Gerd Hoffmann | while ((dev = QLIST_FIRST(&bus->children)) != NULL) { |
665 | 131ec1bd | Gerd Hoffmann | qdev_free(dev); |
666 | 131ec1bd | Gerd Hoffmann | } |
667 | 131ec1bd | Gerd Hoffmann | if (bus->parent) {
|
668 | 131ec1bd | Gerd Hoffmann | QLIST_REMOVE(bus, sibling); |
669 | 131ec1bd | Gerd Hoffmann | bus->parent->num_child_bus--; |
670 | 131ec1bd | Gerd Hoffmann | } |
671 | 131ec1bd | Gerd Hoffmann | if (bus->qdev_allocated) {
|
672 | 131ec1bd | Gerd Hoffmann | qemu_free(bus); |
673 | 131ec1bd | Gerd Hoffmann | } |
674 | 131ec1bd | Gerd Hoffmann | } |
675 | 131ec1bd | Gerd Hoffmann | |
676 | cae4956e | Gerd Hoffmann | #define qdev_printf(fmt, ...) monitor_printf(mon, "%*s" fmt, indent, "", ## __VA_ARGS__) |
677 | cae4956e | Gerd Hoffmann | static void qbus_print(Monitor *mon, BusState *bus, int indent); |
678 | cae4956e | Gerd Hoffmann | |
679 | ee6847d1 | Gerd Hoffmann | static void qdev_print_props(Monitor *mon, DeviceState *dev, Property *props, |
680 | ee6847d1 | Gerd Hoffmann | const char *prefix, int indent) |
681 | ee6847d1 | Gerd Hoffmann | { |
682 | ee6847d1 | Gerd Hoffmann | char buf[64]; |
683 | ee6847d1 | Gerd Hoffmann | |
684 | ee6847d1 | Gerd Hoffmann | if (!props)
|
685 | ee6847d1 | Gerd Hoffmann | return;
|
686 | ee6847d1 | Gerd Hoffmann | while (props->name) {
|
687 | ee6847d1 | Gerd Hoffmann | if (props->info->print) {
|
688 | ee6847d1 | Gerd Hoffmann | props->info->print(dev, props, buf, sizeof(buf));
|
689 | ee6847d1 | Gerd Hoffmann | qdev_printf("%s-prop: %s = %s\n", prefix, props->name, buf);
|
690 | ee6847d1 | Gerd Hoffmann | } |
691 | ee6847d1 | Gerd Hoffmann | props++; |
692 | ee6847d1 | Gerd Hoffmann | } |
693 | ee6847d1 | Gerd Hoffmann | } |
694 | ee6847d1 | Gerd Hoffmann | |
695 | cae4956e | Gerd Hoffmann | static void qdev_print(Monitor *mon, DeviceState *dev, int indent) |
696 | cae4956e | Gerd Hoffmann | { |
697 | cae4956e | Gerd Hoffmann | BusState *child; |
698 | ccb63de3 | Gerd Hoffmann | qdev_printf("dev: %s, id \"%s\"\n", dev->info->name,
|
699 | ccb63de3 | Gerd Hoffmann | dev->id ? dev->id : "");
|
700 | cae4956e | Gerd Hoffmann | indent += 2;
|
701 | cae4956e | Gerd Hoffmann | if (dev->num_gpio_in) {
|
702 | cae4956e | Gerd Hoffmann | qdev_printf("gpio-in %d\n", dev->num_gpio_in);
|
703 | cae4956e | Gerd Hoffmann | } |
704 | cae4956e | Gerd Hoffmann | if (dev->num_gpio_out) {
|
705 | cae4956e | Gerd Hoffmann | qdev_printf("gpio-out %d\n", dev->num_gpio_out);
|
706 | cae4956e | Gerd Hoffmann | } |
707 | ee6847d1 | Gerd Hoffmann | qdev_print_props(mon, dev, dev->info->props, "dev", indent);
|
708 | ee6847d1 | Gerd Hoffmann | qdev_print_props(mon, dev, dev->parent_bus->info->props, "bus", indent);
|
709 | 10c4c98a | Gerd Hoffmann | if (dev->parent_bus->info->print_dev)
|
710 | 10c4c98a | Gerd Hoffmann | dev->parent_bus->info->print_dev(mon, dev, indent); |
711 | 72cf2d4f | Blue Swirl | QLIST_FOREACH(child, &dev->child_bus, sibling) { |
712 | cae4956e | Gerd Hoffmann | qbus_print(mon, child, indent); |
713 | cae4956e | Gerd Hoffmann | } |
714 | cae4956e | Gerd Hoffmann | } |
715 | cae4956e | Gerd Hoffmann | |
716 | cae4956e | Gerd Hoffmann | static void qbus_print(Monitor *mon, BusState *bus, int indent) |
717 | cae4956e | Gerd Hoffmann | { |
718 | cae4956e | Gerd Hoffmann | struct DeviceState *dev;
|
719 | cae4956e | Gerd Hoffmann | |
720 | cae4956e | Gerd Hoffmann | qdev_printf("bus: %s\n", bus->name);
|
721 | cae4956e | Gerd Hoffmann | indent += 2;
|
722 | 10c4c98a | Gerd Hoffmann | qdev_printf("type %s\n", bus->info->name);
|
723 | 72cf2d4f | Blue Swirl | QLIST_FOREACH(dev, &bus->children, sibling) { |
724 | cae4956e | Gerd Hoffmann | qdev_print(mon, dev, indent); |
725 | cae4956e | Gerd Hoffmann | } |
726 | cae4956e | Gerd Hoffmann | } |
727 | cae4956e | Gerd Hoffmann | #undef qdev_printf
|
728 | cae4956e | Gerd Hoffmann | |
729 | cae4956e | Gerd Hoffmann | void do_info_qtree(Monitor *mon)
|
730 | cae4956e | Gerd Hoffmann | { |
731 | cae4956e | Gerd Hoffmann | if (main_system_bus)
|
732 | cae4956e | Gerd Hoffmann | qbus_print(mon, main_system_bus, 0);
|
733 | cae4956e | Gerd Hoffmann | } |
734 | 9316d30f | Gerd Hoffmann | |
735 | f6c64e0e | Gerd Hoffmann | void do_info_qdm(Monitor *mon)
|
736 | 9316d30f | Gerd Hoffmann | { |
737 | 9316d30f | Gerd Hoffmann | DeviceInfo *info; |
738 | 9316d30f | Gerd Hoffmann | char msg[256]; |
739 | 9316d30f | Gerd Hoffmann | |
740 | 9316d30f | Gerd Hoffmann | for (info = device_info_list; info != NULL; info = info->next) { |
741 | 9316d30f | Gerd Hoffmann | qdev_print_devinfo(info, msg, sizeof(msg));
|
742 | 9316d30f | Gerd Hoffmann | monitor_printf(mon, "%s\n", msg);
|
743 | 9316d30f | Gerd Hoffmann | } |
744 | 9316d30f | Gerd Hoffmann | } |
745 | 3418bd25 | Gerd Hoffmann | |
746 | 3418bd25 | Gerd Hoffmann | void do_device_add(Monitor *mon, const QDict *qdict) |
747 | 3418bd25 | Gerd Hoffmann | { |
748 | 3418bd25 | Gerd Hoffmann | QemuOpts *opts; |
749 | 3418bd25 | Gerd Hoffmann | |
750 | 3418bd25 | Gerd Hoffmann | opts = qemu_opts_parse(&qemu_device_opts, |
751 | 3418bd25 | Gerd Hoffmann | qdict_get_str(qdict, "config"), "driver"); |
752 | 0f853a38 | Kevin Wolf | if (opts) {
|
753 | 0f853a38 | Kevin Wolf | if (qdev_device_help(opts) || qdev_device_add(opts) == NULL) { |
754 | 0f853a38 | Kevin Wolf | qemu_opts_del(opts); |
755 | 0f853a38 | Kevin Wolf | } |
756 | 0f853a38 | Kevin Wolf | } |
757 | 3418bd25 | Gerd Hoffmann | } |
758 | 3418bd25 | Gerd Hoffmann | |
759 | 3418bd25 | Gerd Hoffmann | void do_device_del(Monitor *mon, const QDict *qdict) |
760 | 3418bd25 | Gerd Hoffmann | { |
761 | 3418bd25 | Gerd Hoffmann | const char *id = qdict_get_str(qdict, "id"); |
762 | 3418bd25 | Gerd Hoffmann | DeviceState *dev; |
763 | 3418bd25 | Gerd Hoffmann | |
764 | 3418bd25 | Gerd Hoffmann | dev = qdev_find_recursive(main_system_bus, id); |
765 | 3418bd25 | Gerd Hoffmann | if (NULL == dev) { |
766 | 3418bd25 | Gerd Hoffmann | qemu_error("Device '%s' not found\n", id);
|
767 | 3418bd25 | Gerd Hoffmann | return;
|
768 | 3418bd25 | Gerd Hoffmann | } |
769 | 3418bd25 | Gerd Hoffmann | qdev_unplug(dev); |
770 | 3418bd25 | Gerd Hoffmann | } |