Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 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 | |
Paolo Bonzini | b4a42f8 | 2013-02-04 11:37:52 +0100 | [diff] [blame] | 20 | #include "hw/qdev.h" |
Andreas Färber | 2f7bd82 | 2013-04-16 03:50:21 +0200 | [diff] [blame] | 21 | #include "hw/sysbus.h" |
Paolo Bonzini | 83c9089 | 2012-12-17 18:19:49 +0100 | [diff] [blame] | 22 | #include "monitor/monitor.h" |
Paolo Bonzini | b4a42f8 | 2013-02-04 11:37:52 +0100 | [diff] [blame] | 23 | #include "monitor/qdev.h" |
Luiz Capitulino | a15fef2 | 2012-03-29 12:38:50 -0300 | [diff] [blame] | 24 | #include "qmp-commands.h" |
Paolo Bonzini | 9c17d61 | 2012-12-17 18:20:04 +0100 | [diff] [blame] | 25 | #include "sysemu/arch_init.h" |
Paolo Bonzini | 1de7afc | 2012-12-17 18:20:00 +0100 | [diff] [blame] | 26 | #include "qemu/config-file.h" |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 27 | |
| 28 | /* |
| 29 | * Aliases were a bad idea from the start. Let's keep them |
| 30 | * from spreading further. |
| 31 | */ |
| 32 | typedef struct QDevAlias |
| 33 | { |
| 34 | const char *typename; |
| 35 | const char *alias; |
Alexander Graf | 5f629d9 | 2012-05-18 02:36:26 +0200 | [diff] [blame] | 36 | uint32_t arch_mask; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 37 | } QDevAlias; |
| 38 | |
| 39 | static const QDevAlias qdev_alias_table[] = { |
Alexander Graf | 5f629d9 | 2012-05-18 02:36:26 +0200 | [diff] [blame] | 40 | { "virtio-blk-pci", "virtio-blk", QEMU_ARCH_ALL & ~QEMU_ARCH_S390X }, |
| 41 | { "virtio-net-pci", "virtio-net", QEMU_ARCH_ALL & ~QEMU_ARCH_S390X }, |
| 42 | { "virtio-serial-pci", "virtio-serial", QEMU_ARCH_ALL & ~QEMU_ARCH_S390X }, |
| 43 | { "virtio-balloon-pci", "virtio-balloon", |
| 44 | QEMU_ARCH_ALL & ~QEMU_ARCH_S390X }, |
| 45 | { "virtio-blk-s390", "virtio-blk", QEMU_ARCH_S390X }, |
| 46 | { "virtio-net-s390", "virtio-net", QEMU_ARCH_S390X }, |
| 47 | { "virtio-serial-s390", "virtio-serial", QEMU_ARCH_S390X }, |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 48 | { "lsi53c895a", "lsi" }, |
| 49 | { "ich9-ahci", "ahci" }, |
Jan Kiszka | c3ebd3b | 2012-08-30 20:30:00 +0200 | [diff] [blame] | 50 | { "kvm-pci-assign", "pci-assign" }, |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 51 | { } |
| 52 | }; |
| 53 | |
| 54 | static const char *qdev_class_get_alias(DeviceClass *dc) |
| 55 | { |
| 56 | const char *typename = object_class_get_name(OBJECT_CLASS(dc)); |
| 57 | int i; |
| 58 | |
| 59 | for (i = 0; qdev_alias_table[i].typename; i++) { |
Alexander Graf | 5f629d9 | 2012-05-18 02:36:26 +0200 | [diff] [blame] | 60 | if (qdev_alias_table[i].arch_mask && |
| 61 | !(qdev_alias_table[i].arch_mask & arch_type)) { |
| 62 | continue; |
| 63 | } |
| 64 | |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 65 | if (strcmp(qdev_alias_table[i].typename, typename) == 0) { |
| 66 | return qdev_alias_table[i].alias; |
| 67 | } |
| 68 | } |
| 69 | |
| 70 | return NULL; |
| 71 | } |
| 72 | |
| 73 | static bool qdev_class_has_alias(DeviceClass *dc) |
| 74 | { |
| 75 | return (qdev_class_get_alias(dc) != NULL); |
| 76 | } |
| 77 | |
Markus Armbruster | a3400ae | 2013-10-10 15:00:21 +0200 | [diff] [blame] | 78 | static void qdev_print_devinfo(DeviceClass *dc) |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 79 | { |
Markus Armbruster | a3400ae | 2013-10-10 15:00:21 +0200 | [diff] [blame] | 80 | error_printf("name \"%s\"", object_class_get_name(OBJECT_CLASS(dc))); |
Anthony Liguori | 0d93692 | 2012-05-02 09:00:20 +0200 | [diff] [blame] | 81 | if (dc->bus_type) { |
| 82 | error_printf(", bus %s", dc->bus_type); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 83 | } |
| 84 | if (qdev_class_has_alias(dc)) { |
| 85 | error_printf(", alias \"%s\"", qdev_class_get_alias(dc)); |
| 86 | } |
| 87 | if (dc->desc) { |
| 88 | error_printf(", desc \"%s\"", dc->desc); |
| 89 | } |
| 90 | if (dc->no_user) { |
| 91 | error_printf(", no-user"); |
| 92 | } |
| 93 | error_printf("\n"); |
| 94 | } |
| 95 | |
Markus Armbruster | a3400ae | 2013-10-10 15:00:21 +0200 | [diff] [blame] | 96 | static gint devinfo_cmp(gconstpointer a, gconstpointer b) |
| 97 | { |
| 98 | return strcasecmp(object_class_get_name((ObjectClass *)a), |
| 99 | object_class_get_name((ObjectClass *)b)); |
| 100 | } |
| 101 | |
| 102 | static void qdev_print_devinfos(bool show_no_user) |
| 103 | { |
| 104 | static const char *cat_name[DEVICE_CATEGORY_MAX + 1] = { |
| 105 | [DEVICE_CATEGORY_BRIDGE] = "Controller/Bridge/Hub", |
| 106 | [DEVICE_CATEGORY_USB] = "USB", |
| 107 | [DEVICE_CATEGORY_STORAGE] = "Storage", |
| 108 | [DEVICE_CATEGORY_NETWORK] = "Network", |
| 109 | [DEVICE_CATEGORY_INPUT] = "Input", |
| 110 | [DEVICE_CATEGORY_DISPLAY] = "Display", |
| 111 | [DEVICE_CATEGORY_SOUND] = "Sound", |
| 112 | [DEVICE_CATEGORY_MISC] = "Misc", |
| 113 | [DEVICE_CATEGORY_MAX] = "Uncategorized", |
| 114 | }; |
| 115 | GSList *list, *elt; |
| 116 | int i; |
| 117 | bool cat_printed; |
| 118 | |
| 119 | list = g_slist_sort(object_class_get_list(TYPE_DEVICE, false), |
| 120 | devinfo_cmp); |
| 121 | |
| 122 | for (i = 0; i <= DEVICE_CATEGORY_MAX; i++) { |
| 123 | cat_printed = false; |
| 124 | for (elt = list; elt; elt = elt->next) { |
| 125 | DeviceClass *dc = OBJECT_CLASS_CHECK(DeviceClass, elt->data, |
| 126 | TYPE_DEVICE); |
| 127 | if ((i < DEVICE_CATEGORY_MAX |
| 128 | ? !test_bit(i, dc->categories) |
| 129 | : !bitmap_empty(dc->categories, DEVICE_CATEGORY_MAX)) |
| 130 | || (!show_no_user && 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 Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 145 | static int set_property(const char *name, const char *value, void *opaque) |
| 146 | { |
| 147 | DeviceState *dev = opaque; |
Andreas Färber | b1fe9bc | 2013-05-01 16:10:24 +0200 | [diff] [blame] | 148 | Error *err = NULL; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 149 | |
| 150 | if (strcmp(name, "driver") == 0) |
| 151 | return 0; |
| 152 | if (strcmp(name, "bus") == 0) |
| 153 | return 0; |
| 154 | |
Andreas Färber | b1fe9bc | 2013-05-01 16:10:24 +0200 | [diff] [blame] | 155 | qdev_prop_parse(dev, name, value, &err); |
| 156 | if (err != NULL) { |
| 157 | qerror_report_err(err); |
| 158 | error_free(err); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 159 | return -1; |
| 160 | } |
| 161 | return 0; |
| 162 | } |
| 163 | |
| 164 | static 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 Graf | 5f629d9 | 2012-05-18 02:36:26 +0200 | [diff] [blame] | 169 | if (qdev_alias_table[i].arch_mask && |
| 170 | !(qdev_alias_table[i].arch_mask & arch_type)) { |
| 171 | continue; |
| 172 | } |
| 173 | |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 174 | if (strcmp(qdev_alias_table[i].alias, alias) == 0) { |
| 175 | return qdev_alias_table[i].typename; |
| 176 | } |
| 177 | } |
| 178 | |
| 179 | return NULL; |
| 180 | } |
| 181 | |
| 182 | int qdev_device_help(QemuOpts *opts) |
| 183 | { |
| 184 | const char *driver; |
| 185 | Property *prop; |
| 186 | ObjectClass *klass; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 187 | |
| 188 | driver = qemu_opt_get(opts, "driver"); |
Peter Maydell | c8057f9 | 2012-08-02 13:45:54 +0100 | [diff] [blame] | 189 | if (driver && is_help_option(driver)) { |
Markus Armbruster | a3400ae | 2013-10-10 15:00:21 +0200 | [diff] [blame] | 190 | qdev_print_devinfos(false); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 191 | return 1; |
| 192 | } |
| 193 | |
Peter Maydell | c8057f9 | 2012-08-02 13:45:54 +0100 | [diff] [blame] | 194 | if (!driver || !qemu_opt_has_help_opt(opts)) { |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 195 | 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 Bonzini | bce5447 | 2012-03-28 18:12:47 +0200 | [diff] [blame] | 211 | 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 Bonzini | 90ca64a | 2012-05-02 13:30:59 +0200 | [diff] [blame] | 219 | if (!prop->info->set) { |
Anthony Liguori | d03d6b4 | 2011-12-23 08:16:58 -0600 | [diff] [blame] | 220 | 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 Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 224 | } |
Paolo Bonzini | bce5447 | 2012-03-28 18:12:47 +0200 | [diff] [blame] | 225 | klass = object_class_get_parent(klass); |
| 226 | } while (klass != object_class_by_name(TYPE_DEVICE)); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 227 | return 1; |
| 228 | } |
| 229 | |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 230 | static Object *qdev_get_peripheral(void) |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 231 | { |
Anthony Liguori | 8b45d44 | 2011-12-23 09:08:05 -0600 | [diff] [blame] | 232 | static Object *dev; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 233 | |
| 234 | if (dev == NULL) { |
Andreas Färber | dfe47e7 | 2012-04-05 13:21:46 +0200 | [diff] [blame] | 235 | dev = container_get(qdev_get_machine(), "/peripheral"); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 236 | } |
| 237 | |
Anthony Liguori | 8b45d44 | 2011-12-23 09:08:05 -0600 | [diff] [blame] | 238 | return dev; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 239 | } |
| 240 | |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 241 | static Object *qdev_get_peripheral_anon(void) |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 242 | { |
Anthony Liguori | 8b45d44 | 2011-12-23 09:08:05 -0600 | [diff] [blame] | 243 | static Object *dev; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 244 | |
| 245 | if (dev == NULL) { |
Andreas Färber | dfe47e7 | 2012-04-05 13:21:46 +0200 | [diff] [blame] | 246 | dev = container_get(qdev_get_machine(), "/peripheral-anon"); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 247 | } |
| 248 | |
Anthony Liguori | 8b45d44 | 2011-12-23 09:08:05 -0600 | [diff] [blame] | 249 | return dev; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 250 | } |
| 251 | |
| 252 | static 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 | |
| 266 | static void qbus_list_dev(BusState *bus) |
| 267 | { |
Anthony Liguori | 0866aca | 2011-12-23 15:34:39 -0600 | [diff] [blame] | 268 | BusChild *kid; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 269 | const char *sep = " "; |
| 270 | |
| 271 | error_printf("devices at \"%s\":", bus->name); |
Anthony Liguori | 0866aca | 2011-12-23 15:34:39 -0600 | [diff] [blame] | 272 | QTAILQ_FOREACH(kid, &bus->children, sibling) { |
| 273 | DeviceState *dev = kid->child; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 274 | 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 | |
| 282 | static 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 | |
| 294 | static DeviceState *qbus_find_dev(BusState *bus, char *elem) |
| 295 | { |
Anthony Liguori | 0866aca | 2011-12-23 15:34:39 -0600 | [diff] [blame] | 296 | BusChild *kid; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 297 | |
| 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 Liguori | 0866aca | 2011-12-23 15:34:39 -0600 | [diff] [blame] | 304 | QTAILQ_FOREACH(kid, &bus->children, sibling) { |
| 305 | DeviceState *dev = kid->child; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 306 | if (dev->id && strcmp(dev->id, elem) == 0) { |
| 307 | return dev; |
| 308 | } |
| 309 | } |
Anthony Liguori | 0866aca | 2011-12-23 15:34:39 -0600 | [diff] [blame] | 310 | QTAILQ_FOREACH(kid, &bus->children, sibling) { |
| 311 | DeviceState *dev = kid->child; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 312 | if (strcmp(object_get_typename(OBJECT(dev)), elem) == 0) { |
| 313 | return dev; |
| 314 | } |
| 315 | } |
Anthony Liguori | 0866aca | 2011-12-23 15:34:39 -0600 | [diff] [blame] | 316 | QTAILQ_FOREACH(kid, &bus->children, sibling) { |
| 317 | DeviceState *dev = kid->child; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 318 | 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 | |
| 328 | static BusState *qbus_find_recursive(BusState *bus, const char *name, |
Anthony Liguori | 0d93692 | 2012-05-02 09:00:20 +0200 | [diff] [blame] | 329 | const char *bus_typename) |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 330 | { |
KONRAD Frederic | 1395af6 | 2013-01-15 00:08:00 +0100 | [diff] [blame] | 331 | BusClass *bus_class = BUS_GET_CLASS(bus); |
Anthony Liguori | 0866aca | 2011-12-23 15:34:39 -0600 | [diff] [blame] | 332 | BusChild *kid; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 333 | BusState *child, *ret; |
| 334 | int match = 1; |
| 335 | |
| 336 | if (name && (strcmp(bus->name, name) != 0)) { |
| 337 | match = 0; |
Alexey Kardashevskiy | 95e2af9 | 2013-04-17 17:49:00 +1000 | [diff] [blame] | 338 | } else if (bus_typename && !object_dynamic_cast(OBJECT(bus), bus_typename)) { |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 339 | match = 0; |
Alexey Kardashevskiy | 95e2af9 | 2013-04-17 17:49:00 +1000 | [diff] [blame] | 340 | } else if ((bus_class->max_dev != 0) && (bus_class->max_dev <= bus->max_index)) { |
KONRAD Frederic | 1395af6 | 2013-01-15 00:08:00 +0100 | [diff] [blame] | 341 | 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 Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 351 | if (match) { |
| 352 | return bus; |
| 353 | } |
| 354 | |
Anthony Liguori | 0866aca | 2011-12-23 15:34:39 -0600 | [diff] [blame] | 355 | QTAILQ_FOREACH(kid, &bus->children, sibling) { |
| 356 | DeviceState *dev = kid->child; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 357 | QLIST_FOREACH(child, &dev->child_bus, sibling) { |
Anthony Liguori | 0d93692 | 2012-05-02 09:00:20 +0200 | [diff] [blame] | 358 | ret = qbus_find_recursive(child, name, bus_typename); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 359 | if (ret) { |
| 360 | return ret; |
| 361 | } |
| 362 | } |
| 363 | } |
| 364 | return NULL; |
| 365 | } |
| 366 | |
| 367 | static 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 Weil | dfc6f86 | 2013-07-25 18:21:28 +0200 | [diff] [blame] | 402 | g_assert_not_reached(); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 403 | 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 Weil | dfc6f86 | 2013-07-25 18:21:28 +0200 | [diff] [blame] | 439 | g_assert_not_reached(); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 440 | 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 | |
| 454 | DeviceState *qdev_device_add(QemuOpts *opts) |
| 455 | { |
Andreas Färber | f4d8579 | 2013-08-24 01:21:22 +0200 | [diff] [blame] | 456 | ObjectClass *oc; |
| 457 | DeviceClass *dc; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 458 | const char *driver, *path, *id; |
| 459 | DeviceState *qdev; |
Andreas Färber | 2f7bd82 | 2013-04-16 03:50:21 +0200 | [diff] [blame] | 460 | BusState *bus = NULL; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 461 | |
| 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 Färber | f4d8579 | 2013-08-24 01:21:22 +0200 | [diff] [blame] | 469 | oc = object_class_by_name(driver); |
| 470 | if (!oc) { |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 471 | const char *typename = find_typename_by_alias(driver); |
| 472 | |
| 473 | if (typename) { |
| 474 | driver = typename; |
Andreas Färber | f4d8579 | 2013-08-24 01:21:22 +0200 | [diff] [blame] | 475 | oc = object_class_by_name(driver); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 476 | } |
| 477 | } |
| 478 | |
Andreas Färber | f4d8579 | 2013-08-24 01:21:22 +0200 | [diff] [blame] | 479 | if (!oc) { |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 480 | qerror_report(QERR_INVALID_PARAMETER_VALUE, "driver", "device type"); |
| 481 | return NULL; |
| 482 | } |
| 483 | |
Igor Mammedov | 2fa4e56 | 2013-09-17 15:32:32 +0200 | [diff] [blame] | 484 | 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 Färber | f4d8579 | 2013-08-24 01:21:22 +0200 | [diff] [blame] | 490 | dc = DEVICE_CLASS(oc); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 491 | |
| 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 Färber | f4d8579 | 2013-08-24 01:21:22 +0200 | [diff] [blame] | 499 | if (!object_dynamic_cast(OBJECT(bus), dc->bus_type)) { |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 500 | qerror_report(QERR_BAD_BUS_FOR_DEVICE, |
Anthony Liguori | 0d93692 | 2012-05-02 09:00:20 +0200 | [diff] [blame] | 501 | driver, object_get_typename(OBJECT(bus))); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 502 | return NULL; |
| 503 | } |
Andreas Färber | f4d8579 | 2013-08-24 01:21:22 +0200 | [diff] [blame] | 504 | } else if (dc->bus_type != NULL) { |
| 505 | bus = qbus_find_recursive(sysbus_get_default(), NULL, dc->bus_type); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 506 | if (!bus) { |
| 507 | qerror_report(QERR_NO_BUS_FOR_DEVICE, |
Andreas Färber | f4d8579 | 2013-08-24 01:21:22 +0200 | [diff] [blame] | 508 | dc->bus_type, driver); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 509 | return NULL; |
| 510 | } |
| 511 | } |
Andreas Färber | 2f7bd82 | 2013-04-16 03:50:21 +0200 | [diff] [blame] | 512 | if (qdev_hotplug && bus && !bus->allow_hotplug) { |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 513 | qerror_report(QERR_BUS_NO_HOTPLUG, bus->name); |
| 514 | return NULL; |
| 515 | } |
| 516 | |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 517 | /* create device, set properties */ |
| 518 | qdev = DEVICE(object_new(driver)); |
Andreas Färber | 2f7bd82 | 2013-04-16 03:50:21 +0200 | [diff] [blame] | 519 | |
| 520 | if (bus) { |
| 521 | qdev_set_parent_bus(qdev, bus); |
| 522 | } |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 523 | |
| 524 | id = qemu_opts_id(opts); |
| 525 | if (id) { |
| 526 | qdev->id = id; |
Anthony Liguori | b2d4b3f | 2012-02-12 11:36:24 -0600 | [diff] [blame] | 527 | } |
| 528 | if (qemu_opt_foreach(opts, set_property, qdev, 1) != 0) { |
Stefan Hajnoczi | 02a5c4c | 2013-09-11 14:54:09 +0200 | [diff] [blame^] | 529 | object_unparent(OBJECT(qdev)); |
Stefan Hajnoczi | ee6abeb | 2013-09-10 18:21:08 +0200 | [diff] [blame] | 530 | object_unref(OBJECT(qdev)); |
Anthony Liguori | b2d4b3f | 2012-02-12 11:36:24 -0600 | [diff] [blame] | 531 | return NULL; |
| 532 | } |
Anthony Liguori | b2d4b3f | 2012-02-12 11:36:24 -0600 | [diff] [blame] | 533 | if (qdev->id) { |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 534 | object_property_add_child(qdev_get_peripheral(), qdev->id, |
| 535 | OBJECT(qdev), NULL); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 536 | } else { |
| 537 | static int anon_count; |
| 538 | gchar *name = g_strdup_printf("device[%d]", anon_count++); |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 539 | object_property_add_child(qdev_get_peripheral_anon(), name, |
| 540 | OBJECT(qdev), NULL); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 541 | g_free(name); |
| 542 | } |
Paolo Bonzini | f424d5c | 2012-03-27 18:38:46 +0200 | [diff] [blame] | 543 | if (qdev_init(qdev) < 0) { |
Stefan Hajnoczi | ee6abeb | 2013-09-10 18:21:08 +0200 | [diff] [blame] | 544 | object_unref(OBJECT(qdev)); |
Paolo Bonzini | f424d5c | 2012-03-27 18:38:46 +0200 | [diff] [blame] | 545 | qerror_report(QERR_DEVICE_INIT_FAILED, driver); |
| 546 | return NULL; |
| 547 | } |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 548 | qdev->opts = opts; |
| 549 | return qdev; |
| 550 | } |
| 551 | |
| 552 | |
| 553 | #define qdev_printf(fmt, ...) monitor_printf(mon, "%*s" fmt, indent, "", ## __VA_ARGS__) |
| 554 | static void qbus_print(Monitor *mon, BusState *bus, int indent); |
| 555 | |
| 556 | static void qdev_print_props(Monitor *mon, DeviceState *dev, Property *props, |
Paolo Bonzini | bce5447 | 2012-03-28 18:12:47 +0200 | [diff] [blame] | 557 | int indent) |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 558 | { |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 559 | if (!props) |
| 560 | return; |
Paolo Bonzini | d822979 | 2012-02-02 09:47:13 +0100 | [diff] [blame] | 561 | 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 Bonzini | 8185bfc | 2012-05-02 13:31:00 +0200 | [diff] [blame] | 568 | value = object_property_print(OBJECT(dev), props->name, &err); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 569 | } |
Paolo Bonzini | d822979 | 2012-02-02 09:47:13 +0100 | [diff] [blame] | 570 | g_free(legacy_name); |
| 571 | |
| 572 | if (err) { |
| 573 | error_free(err); |
| 574 | continue; |
| 575 | } |
Paolo Bonzini | bce5447 | 2012-03-28 18:12:47 +0200 | [diff] [blame] | 576 | qdev_printf("%s = %s\n", props->name, |
Paolo Bonzini | d822979 | 2012-02-02 09:47:13 +0100 | [diff] [blame] | 577 | value && *value ? value : "<null>"); |
| 578 | g_free(value); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 579 | } |
| 580 | } |
| 581 | |
Anthony Liguori | 0d93692 | 2012-05-02 09:00:20 +0200 | [diff] [blame] | 582 | static 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 Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 591 | static void qdev_print(Monitor *mon, DeviceState *dev, int indent) |
| 592 | { |
Paolo Bonzini | bce5447 | 2012-03-28 18:12:47 +0200 | [diff] [blame] | 593 | ObjectClass *class; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 594 | 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 Bonzini | bce5447 | 2012-03-28 18:12:47 +0200 | [diff] [blame] | 604 | 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 Hoffmann | da9fbe7 | 2012-07-11 12:21:23 +0200 | [diff] [blame] | 609 | bus_print_dev(dev->parent_bus, mon, dev, indent); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 610 | QLIST_FOREACH(child, &dev->child_bus, sibling) { |
| 611 | qbus_print(mon, child, indent); |
| 612 | } |
| 613 | } |
| 614 | |
| 615 | static void qbus_print(Monitor *mon, BusState *bus, int indent) |
| 616 | { |
Anthony Liguori | 0866aca | 2011-12-23 15:34:39 -0600 | [diff] [blame] | 617 | BusChild *kid; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 618 | |
| 619 | qdev_printf("bus: %s\n", bus->name); |
| 620 | indent += 2; |
Anthony Liguori | 0d93692 | 2012-05-02 09:00:20 +0200 | [diff] [blame] | 621 | qdev_printf("type %s\n", object_get_typename(OBJECT(bus))); |
Anthony Liguori | 0866aca | 2011-12-23 15:34:39 -0600 | [diff] [blame] | 622 | QTAILQ_FOREACH(kid, &bus->children, sibling) { |
| 623 | DeviceState *dev = kid->child; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 624 | qdev_print(mon, dev, indent); |
| 625 | } |
| 626 | } |
| 627 | #undef qdev_printf |
| 628 | |
Wenchao Xia | 84f2d0e | 2013-01-14 14:06:25 +0800 | [diff] [blame] | 629 | void do_info_qtree(Monitor *mon, const QDict *qdict) |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 630 | { |
| 631 | if (sysbus_get_default()) |
| 632 | qbus_print(mon, sysbus_get_default(), 0); |
| 633 | } |
| 634 | |
Wenchao Xia | 84f2d0e | 2013-01-14 14:06:25 +0800 | [diff] [blame] | 635 | void do_info_qdm(Monitor *mon, const QDict *qdict) |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 636 | { |
Markus Armbruster | a3400ae | 2013-10-10 15:00:21 +0200 | [diff] [blame] | 637 | qdev_print_devinfos(true); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 638 | } |
| 639 | |
| 640 | int do_device_add(Monitor *mon, const QDict *qdict, QObject **ret_data) |
| 641 | { |
Luiz Capitulino | 4e89978 | 2012-04-18 17:24:01 -0300 | [diff] [blame] | 642 | Error *local_err = NULL; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 643 | QemuOpts *opts; |
Paolo Bonzini | b09995a | 2013-01-25 14:12:37 +0100 | [diff] [blame] | 644 | DeviceState *dev; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 645 | |
Luiz Capitulino | 4e89978 | 2012-04-18 17:24:01 -0300 | [diff] [blame] | 646 | 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 Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 650 | return -1; |
| 651 | } |
| 652 | if (!monitor_cur_is_qmp() && qdev_device_help(opts)) { |
| 653 | qemu_opts_del(opts); |
| 654 | return 0; |
| 655 | } |
Paolo Bonzini | b09995a | 2013-01-25 14:12:37 +0100 | [diff] [blame] | 656 | dev = qdev_device_add(opts); |
| 657 | if (!dev) { |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 658 | qemu_opts_del(opts); |
| 659 | return -1; |
| 660 | } |
Paolo Bonzini | b09995a | 2013-01-25 14:12:37 +0100 | [diff] [blame] | 661 | object_unref(OBJECT(dev)); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 662 | return 0; |
| 663 | } |
| 664 | |
Luiz Capitulino | a15fef2 | 2012-03-29 12:38:50 -0300 | [diff] [blame] | 665 | void qmp_device_del(const char *id, Error **errp) |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 666 | { |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 667 | DeviceState *dev; |
| 668 | |
| 669 | dev = qdev_find_recursive(sysbus_get_default(), id); |
| 670 | if (NULL == dev) { |
Luiz Capitulino | a15fef2 | 2012-03-29 12:38:50 -0300 | [diff] [blame] | 671 | error_set(errp, QERR_DEVICE_NOT_FOUND, id); |
| 672 | return; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 673 | } |
Luiz Capitulino | 56f9107 | 2012-03-14 17:37:38 -0300 | [diff] [blame] | 674 | |
Luiz Capitulino | a15fef2 | 2012-03-29 12:38:50 -0300 | [diff] [blame] | 675 | qdev_unplug(dev, errp); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 676 | } |
| 677 | |
| 678 | void qdev_machine_init(void) |
| 679 | { |
| 680 | qdev_get_peripheral_anon(); |
| 681 | qdev_get_peripheral(); |
| 682 | } |
Paolo Bonzini | 4d45457 | 2012-11-26 16:03:42 +0100 | [diff] [blame] | 683 | |
| 684 | QemuOptsList 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 | |
| 698 | QemuOptsList 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 | |
| 716 | int 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 | } |