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 | |
Peter Maydell | d38ea87 | 2016-01-29 17:50:05 +0000 | [diff] [blame] | 20 | #include "qemu/osdep.h" |
Paolo Bonzini | b4a42f8 | 2013-02-04 11:37:52 +0100 | [diff] [blame] | 21 | #include "hw/qdev.h" |
Andreas Färber | 2f7bd82 | 2013-04-16 03:50:21 +0200 | [diff] [blame] | 22 | #include "hw/sysbus.h" |
Paolo Bonzini | 83c9089 | 2012-12-17 18:19:49 +0100 | [diff] [blame] | 23 | #include "monitor/monitor.h" |
Paolo Bonzini | b4a42f8 | 2013-02-04 11:37:52 +0100 | [diff] [blame] | 24 | #include "monitor/qdev.h" |
Luiz Capitulino | a15fef2 | 2012-03-29 12:38:50 -0300 | [diff] [blame] | 25 | #include "qmp-commands.h" |
Paolo Bonzini | 9c17d61 | 2012-12-17 18:20:04 +0100 | [diff] [blame] | 26 | #include "sysemu/arch_init.h" |
Markus Armbruster | cc7a8ea | 2015-03-17 17:22:46 +0100 | [diff] [blame] | 27 | #include "qapi/qmp/qerror.h" |
Paolo Bonzini | 1de7afc | 2012-12-17 18:20:00 +0100 | [diff] [blame] | 28 | #include "qemu/config-file.h" |
Markus Armbruster | d49b683 | 2015-03-17 18:29:20 +0100 | [diff] [blame] | 29 | #include "qemu/error-report.h" |
Veronia Bahaa | f348b6d | 2016-03-20 19:16:19 +0200 | [diff] [blame] | 30 | #include "qemu/help_option.h" |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 31 | |
| 32 | /* |
| 33 | * Aliases were a bad idea from the start. Let's keep them |
| 34 | * from spreading further. |
| 35 | */ |
| 36 | typedef struct QDevAlias |
| 37 | { |
| 38 | const char *typename; |
| 39 | const char *alias; |
Alexander Graf | 5f629d9 | 2012-05-18 02:36:26 +0200 | [diff] [blame] | 40 | uint32_t arch_mask; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 41 | } QDevAlias; |
| 42 | |
Sascha Silbe | 36e9916 | 2016-02-18 22:44:13 +0100 | [diff] [blame] | 43 | /* Please keep this table sorted by typename. */ |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 44 | static const QDevAlias qdev_alias_table[] = { |
Sascha Silbe | 36e9916 | 2016-02-18 22:44:13 +0100 | [diff] [blame] | 45 | { "e1000", "e1000-82540em" }, |
| 46 | { "ich9-ahci", "ahci" }, |
| 47 | { "kvm-pci-assign", "pci-assign" }, |
| 48 | { "lsi53c895a", "lsi" }, |
Sascha Silbe | 588c36c | 2016-02-18 22:44:14 +0100 | [diff] [blame] | 49 | { "virtio-9p-ccw", "virtio-9p", QEMU_ARCH_S390X }, |
| 50 | { "virtio-9p-pci", "virtio-9p", QEMU_ARCH_ALL & ~QEMU_ARCH_S390X }, |
| 51 | { "virtio-balloon-ccw", "virtio-balloon", QEMU_ARCH_S390X }, |
Alexander Graf | 5f629d9 | 2012-05-18 02:36:26 +0200 | [diff] [blame] | 52 | { "virtio-balloon-pci", "virtio-balloon", |
| 53 | QEMU_ARCH_ALL & ~QEMU_ARCH_S390X }, |
Alexander Graf | 1f68f1d | 2015-06-16 23:06:33 +0200 | [diff] [blame] | 54 | { "virtio-blk-ccw", "virtio-blk", QEMU_ARCH_S390X }, |
Sascha Silbe | 36e9916 | 2016-02-18 22:44:13 +0100 | [diff] [blame] | 55 | { "virtio-blk-pci", "virtio-blk", QEMU_ARCH_ALL & ~QEMU_ARCH_S390X }, |
Sascha Silbe | 588c36c | 2016-02-18 22:44:14 +0100 | [diff] [blame] | 56 | { "virtio-gpu-ccw", "virtio-gpu", QEMU_ARCH_S390X }, |
| 57 | { "virtio-gpu-pci", "virtio-gpu", QEMU_ARCH_ALL & ~QEMU_ARCH_S390X }, |
| 58 | { "virtio-input-host-ccw", "virtio-input-host", QEMU_ARCH_S390X }, |
| 59 | { "virtio-input-host-pci", "virtio-input-host", |
| 60 | QEMU_ARCH_ALL & ~QEMU_ARCH_S390X }, |
| 61 | { "virtio-keyboard-ccw", "virtio-keyboard", QEMU_ARCH_S390X }, |
| 62 | { "virtio-keyboard-pci", "virtio-keyboard", |
| 63 | QEMU_ARCH_ALL & ~QEMU_ARCH_S390X }, |
| 64 | { "virtio-mouse-ccw", "virtio-mouse", QEMU_ARCH_S390X }, |
| 65 | { "virtio-mouse-pci", "virtio-mouse", QEMU_ARCH_ALL & ~QEMU_ARCH_S390X }, |
Alexander Graf | 1f68f1d | 2015-06-16 23:06:33 +0200 | [diff] [blame] | 66 | { "virtio-net-ccw", "virtio-net", QEMU_ARCH_S390X }, |
Sascha Silbe | 36e9916 | 2016-02-18 22:44:13 +0100 | [diff] [blame] | 67 | { "virtio-net-pci", "virtio-net", QEMU_ARCH_ALL & ~QEMU_ARCH_S390X }, |
Sascha Silbe | 588c36c | 2016-02-18 22:44:14 +0100 | [diff] [blame] | 68 | { "virtio-rng-ccw", "virtio-rng", QEMU_ARCH_S390X }, |
| 69 | { "virtio-rng-pci", "virtio-rng", QEMU_ARCH_ALL & ~QEMU_ARCH_S390X }, |
| 70 | { "virtio-scsi-ccw", "virtio-scsi", QEMU_ARCH_S390X }, |
| 71 | { "virtio-scsi-pci", "virtio-scsi", QEMU_ARCH_ALL & ~QEMU_ARCH_S390X }, |
Alexander Graf | 1f68f1d | 2015-06-16 23:06:33 +0200 | [diff] [blame] | 72 | { "virtio-serial-ccw", "virtio-serial", QEMU_ARCH_S390X }, |
Sascha Silbe | 36e9916 | 2016-02-18 22:44:13 +0100 | [diff] [blame] | 73 | { "virtio-serial-pci", "virtio-serial", QEMU_ARCH_ALL & ~QEMU_ARCH_S390X }, |
Sascha Silbe | 588c36c | 2016-02-18 22:44:14 +0100 | [diff] [blame] | 74 | { "virtio-tablet-ccw", "virtio-tablet", QEMU_ARCH_S390X }, |
| 75 | { "virtio-tablet-pci", "virtio-tablet", QEMU_ARCH_ALL & ~QEMU_ARCH_S390X }, |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 76 | { } |
| 77 | }; |
| 78 | |
| 79 | static const char *qdev_class_get_alias(DeviceClass *dc) |
| 80 | { |
| 81 | const char *typename = object_class_get_name(OBJECT_CLASS(dc)); |
| 82 | int i; |
| 83 | |
| 84 | for (i = 0; qdev_alias_table[i].typename; i++) { |
Alexander Graf | 5f629d9 | 2012-05-18 02:36:26 +0200 | [diff] [blame] | 85 | if (qdev_alias_table[i].arch_mask && |
| 86 | !(qdev_alias_table[i].arch_mask & arch_type)) { |
| 87 | continue; |
| 88 | } |
| 89 | |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 90 | if (strcmp(qdev_alias_table[i].typename, typename) == 0) { |
| 91 | return qdev_alias_table[i].alias; |
| 92 | } |
| 93 | } |
| 94 | |
| 95 | return NULL; |
| 96 | } |
| 97 | |
| 98 | static bool qdev_class_has_alias(DeviceClass *dc) |
| 99 | { |
| 100 | return (qdev_class_get_alias(dc) != NULL); |
| 101 | } |
| 102 | |
Markus Armbruster | a3400ae | 2013-10-10 15:00:21 +0200 | [diff] [blame] | 103 | static void qdev_print_devinfo(DeviceClass *dc) |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 104 | { |
Markus Armbruster | a3400ae | 2013-10-10 15:00:21 +0200 | [diff] [blame] | 105 | error_printf("name \"%s\"", object_class_get_name(OBJECT_CLASS(dc))); |
Anthony Liguori | 0d93692 | 2012-05-02 09:00:20 +0200 | [diff] [blame] | 106 | if (dc->bus_type) { |
| 107 | error_printf(", bus %s", dc->bus_type); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 108 | } |
| 109 | if (qdev_class_has_alias(dc)) { |
| 110 | error_printf(", alias \"%s\"", qdev_class_get_alias(dc)); |
| 111 | } |
| 112 | if (dc->desc) { |
| 113 | error_printf(", desc \"%s\"", dc->desc); |
| 114 | } |
Markus Armbruster | efec3dd | 2013-11-28 17:26:54 +0100 | [diff] [blame] | 115 | if (dc->cannot_instantiate_with_device_add_yet) { |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 116 | error_printf(", no-user"); |
| 117 | } |
| 118 | error_printf("\n"); |
| 119 | } |
| 120 | |
Markus Armbruster | a3400ae | 2013-10-10 15:00:21 +0200 | [diff] [blame] | 121 | static gint devinfo_cmp(gconstpointer a, gconstpointer b) |
| 122 | { |
| 123 | return strcasecmp(object_class_get_name((ObjectClass *)a), |
| 124 | object_class_get_name((ObjectClass *)b)); |
| 125 | } |
| 126 | |
| 127 | static void qdev_print_devinfos(bool show_no_user) |
| 128 | { |
| 129 | static const char *cat_name[DEVICE_CATEGORY_MAX + 1] = { |
| 130 | [DEVICE_CATEGORY_BRIDGE] = "Controller/Bridge/Hub", |
| 131 | [DEVICE_CATEGORY_USB] = "USB", |
| 132 | [DEVICE_CATEGORY_STORAGE] = "Storage", |
| 133 | [DEVICE_CATEGORY_NETWORK] = "Network", |
| 134 | [DEVICE_CATEGORY_INPUT] = "Input", |
| 135 | [DEVICE_CATEGORY_DISPLAY] = "Display", |
| 136 | [DEVICE_CATEGORY_SOUND] = "Sound", |
| 137 | [DEVICE_CATEGORY_MISC] = "Misc", |
| 138 | [DEVICE_CATEGORY_MAX] = "Uncategorized", |
| 139 | }; |
| 140 | GSList *list, *elt; |
| 141 | int i; |
| 142 | bool cat_printed; |
| 143 | |
| 144 | list = g_slist_sort(object_class_get_list(TYPE_DEVICE, false), |
| 145 | devinfo_cmp); |
| 146 | |
| 147 | for (i = 0; i <= DEVICE_CATEGORY_MAX; i++) { |
| 148 | cat_printed = false; |
| 149 | for (elt = list; elt; elt = elt->next) { |
| 150 | DeviceClass *dc = OBJECT_CLASS_CHECK(DeviceClass, elt->data, |
| 151 | TYPE_DEVICE); |
| 152 | if ((i < DEVICE_CATEGORY_MAX |
| 153 | ? !test_bit(i, dc->categories) |
| 154 | : !bitmap_empty(dc->categories, DEVICE_CATEGORY_MAX)) |
Markus Armbruster | efec3dd | 2013-11-28 17:26:54 +0100 | [diff] [blame] | 155 | || (!show_no_user |
| 156 | && dc->cannot_instantiate_with_device_add_yet)) { |
Markus Armbruster | a3400ae | 2013-10-10 15:00:21 +0200 | [diff] [blame] | 157 | continue; |
| 158 | } |
| 159 | if (!cat_printed) { |
| 160 | error_printf("%s%s devices:\n", i ? "\n" : "", |
| 161 | cat_name[i]); |
| 162 | cat_printed = true; |
| 163 | } |
| 164 | qdev_print_devinfo(dc); |
| 165 | } |
| 166 | } |
| 167 | |
| 168 | g_slist_free(list); |
| 169 | } |
| 170 | |
Markus Armbruster | 71df1d8 | 2015-03-12 08:40:25 +0100 | [diff] [blame] | 171 | static int set_property(void *opaque, const char *name, const char *value, |
| 172 | Error **errp) |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 173 | { |
Paolo Bonzini | 98a6528 | 2014-02-08 11:01:49 +0100 | [diff] [blame] | 174 | Object *obj = opaque; |
Andreas Färber | b1fe9bc | 2013-05-01 16:10:24 +0200 | [diff] [blame] | 175 | Error *err = NULL; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 176 | |
| 177 | if (strcmp(name, "driver") == 0) |
| 178 | return 0; |
| 179 | if (strcmp(name, "bus") == 0) |
| 180 | return 0; |
| 181 | |
Paolo Bonzini | 98a6528 | 2014-02-08 11:01:49 +0100 | [diff] [blame] | 182 | object_property_parse(obj, value, name, &err); |
Andreas Färber | b1fe9bc | 2013-05-01 16:10:24 +0200 | [diff] [blame] | 183 | if (err != NULL) { |
Markus Armbruster | 4caa489 | 2015-03-12 13:58:02 +0100 | [diff] [blame] | 184 | error_propagate(errp, err); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 185 | return -1; |
| 186 | } |
| 187 | return 0; |
| 188 | } |
| 189 | |
| 190 | static const char *find_typename_by_alias(const char *alias) |
| 191 | { |
| 192 | int i; |
| 193 | |
| 194 | for (i = 0; qdev_alias_table[i].alias; i++) { |
Alexander Graf | 5f629d9 | 2012-05-18 02:36:26 +0200 | [diff] [blame] | 195 | if (qdev_alias_table[i].arch_mask && |
| 196 | !(qdev_alias_table[i].arch_mask & arch_type)) { |
| 197 | continue; |
| 198 | } |
| 199 | |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 200 | if (strcmp(qdev_alias_table[i].alias, alias) == 0) { |
| 201 | return qdev_alias_table[i].typename; |
| 202 | } |
| 203 | } |
| 204 | |
| 205 | return NULL; |
| 206 | } |
| 207 | |
Eduardo Habkost | 43c95d7 | 2014-11-01 13:56:09 -0200 | [diff] [blame] | 208 | static DeviceClass *qdev_get_device_class(const char **driver, Error **errp) |
| 209 | { |
| 210 | ObjectClass *oc; |
| 211 | DeviceClass *dc; |
Sascha Silbe | f6b5319 | 2016-02-18 22:44:12 +0100 | [diff] [blame] | 212 | const char *original_name = *driver; |
Eduardo Habkost | 43c95d7 | 2014-11-01 13:56:09 -0200 | [diff] [blame] | 213 | |
| 214 | oc = object_class_by_name(*driver); |
| 215 | if (!oc) { |
| 216 | const char *typename = find_typename_by_alias(*driver); |
| 217 | |
| 218 | if (typename) { |
| 219 | *driver = typename; |
| 220 | oc = object_class_by_name(*driver); |
| 221 | } |
| 222 | } |
| 223 | |
| 224 | if (!object_class_dynamic_cast(oc, TYPE_DEVICE)) { |
Sascha Silbe | f6b5319 | 2016-02-18 22:44:12 +0100 | [diff] [blame] | 225 | if (*driver != original_name) { |
| 226 | error_setg(errp, "'%s' (alias '%s') is not a valid device model" |
| 227 | " name", original_name, *driver); |
| 228 | } else { |
| 229 | error_setg(errp, "'%s' is not a valid device model name", *driver); |
| 230 | } |
Eduardo Habkost | 43c95d7 | 2014-11-01 13:56:09 -0200 | [diff] [blame] | 231 | return NULL; |
| 232 | } |
| 233 | |
| 234 | if (object_class_is_abstract(oc)) { |
Markus Armbruster | c6bd8c7 | 2015-03-17 11:54:50 +0100 | [diff] [blame] | 235 | error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "driver", |
| 236 | "non-abstract device type"); |
Eduardo Habkost | 43c95d7 | 2014-11-01 13:56:09 -0200 | [diff] [blame] | 237 | return NULL; |
| 238 | } |
| 239 | |
| 240 | dc = DEVICE_CLASS(oc); |
| 241 | if (dc->cannot_instantiate_with_device_add_yet || |
| 242 | (qdev_hotplug && !dc->hotpluggable)) { |
Markus Armbruster | c6bd8c7 | 2015-03-17 11:54:50 +0100 | [diff] [blame] | 243 | error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "driver", |
| 244 | "pluggable device type"); |
Eduardo Habkost | 43c95d7 | 2014-11-01 13:56:09 -0200 | [diff] [blame] | 245 | return NULL; |
| 246 | } |
| 247 | |
| 248 | return dc; |
| 249 | } |
| 250 | |
| 251 | |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 252 | int qdev_device_help(QemuOpts *opts) |
| 253 | { |
Stefan Hajnoczi | ef52358 | 2014-07-09 14:01:32 +0200 | [diff] [blame] | 254 | Error *local_err = NULL; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 255 | const char *driver; |
Stefan Hajnoczi | ef52358 | 2014-07-09 14:01:32 +0200 | [diff] [blame] | 256 | DevicePropertyInfoList *prop_list; |
| 257 | DevicePropertyInfoList *prop; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 258 | |
| 259 | driver = qemu_opt_get(opts, "driver"); |
Peter Maydell | c8057f9 | 2012-08-02 13:45:54 +0100 | [diff] [blame] | 260 | if (driver && is_help_option(driver)) { |
Markus Armbruster | a3400ae | 2013-10-10 15:00:21 +0200 | [diff] [blame] | 261 | qdev_print_devinfos(false); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 262 | return 1; |
| 263 | } |
| 264 | |
Peter Maydell | c8057f9 | 2012-08-02 13:45:54 +0100 | [diff] [blame] | 265 | if (!driver || !qemu_opt_has_help_opt(opts)) { |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 266 | return 0; |
| 267 | } |
| 268 | |
Markus Armbruster | 33fe968 | 2015-10-01 10:59:59 +0200 | [diff] [blame] | 269 | if (!object_class_by_name(driver)) { |
| 270 | const char *typename = find_typename_by_alias(driver); |
| 271 | |
| 272 | if (typename) { |
| 273 | driver = typename; |
| 274 | } |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 275 | } |
| 276 | |
Stefan Hajnoczi | ef52358 | 2014-07-09 14:01:32 +0200 | [diff] [blame] | 277 | prop_list = qmp_device_list_properties(driver, &local_err); |
Gonglei | 0722eba | 2014-09-16 10:19:33 +0800 | [diff] [blame] | 278 | if (local_err) { |
Eduardo Habkost | 5185f0e | 2014-11-01 13:56:10 -0200 | [diff] [blame] | 279 | goto error; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 280 | } |
Stefan Hajnoczi | ef52358 | 2014-07-09 14:01:32 +0200 | [diff] [blame] | 281 | |
| 282 | for (prop = prop_list; prop; prop = prop->next) { |
Gonglei | 07d09c5 | 2014-10-07 14:33:23 +0800 | [diff] [blame] | 283 | error_printf("%s.%s=%s", driver, |
Stefan Hajnoczi | ef52358 | 2014-07-09 14:01:32 +0200 | [diff] [blame] | 284 | prop->value->name, |
| 285 | prop->value->type); |
Gonglei | 07d09c5 | 2014-10-07 14:33:23 +0800 | [diff] [blame] | 286 | if (prop->value->has_description) { |
| 287 | error_printf(" (%s)\n", prop->value->description); |
| 288 | } else { |
| 289 | error_printf("\n"); |
| 290 | } |
Stefan Hajnoczi | ef52358 | 2014-07-09 14:01:32 +0200 | [diff] [blame] | 291 | } |
| 292 | |
| 293 | qapi_free_DevicePropertyInfoList(prop_list); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 294 | return 1; |
Eduardo Habkost | 5185f0e | 2014-11-01 13:56:10 -0200 | [diff] [blame] | 295 | |
| 296 | error: |
Markus Armbruster | 7828867 | 2015-12-18 16:35:07 +0100 | [diff] [blame] | 297 | error_report_err(local_err); |
Eduardo Habkost | 5185f0e | 2014-11-01 13:56:10 -0200 | [diff] [blame] | 298 | return 1; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 299 | } |
| 300 | |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 301 | static Object *qdev_get_peripheral(void) |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 302 | { |
Anthony Liguori | 8b45d44 | 2011-12-23 09:08:05 -0600 | [diff] [blame] | 303 | static Object *dev; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 304 | |
| 305 | if (dev == NULL) { |
Andreas Färber | dfe47e7 | 2012-04-05 13:21:46 +0200 | [diff] [blame] | 306 | dev = container_get(qdev_get_machine(), "/peripheral"); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 307 | } |
| 308 | |
Anthony Liguori | 8b45d44 | 2011-12-23 09:08:05 -0600 | [diff] [blame] | 309 | return dev; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 310 | } |
| 311 | |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 312 | static Object *qdev_get_peripheral_anon(void) |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 313 | { |
Anthony Liguori | 8b45d44 | 2011-12-23 09:08:05 -0600 | [diff] [blame] | 314 | static Object *dev; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 315 | |
| 316 | if (dev == NULL) { |
Andreas Färber | dfe47e7 | 2012-04-05 13:21:46 +0200 | [diff] [blame] | 317 | dev = container_get(qdev_get_machine(), "/peripheral-anon"); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 318 | } |
| 319 | |
Anthony Liguori | 8b45d44 | 2011-12-23 09:08:05 -0600 | [diff] [blame] | 320 | return dev; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 321 | } |
| 322 | |
Eric Blake | 50b7b00 | 2015-09-10 10:19:16 -0600 | [diff] [blame] | 323 | static void qbus_list_bus(DeviceState *dev, Error **errp) |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 324 | { |
| 325 | BusState *child; |
| 326 | const char *sep = " "; |
| 327 | |
Eric Blake | 50b7b00 | 2015-09-10 10:19:16 -0600 | [diff] [blame] | 328 | error_append_hint(errp, "child buses at \"%s\":", |
| 329 | dev->id ? dev->id : object_get_typename(OBJECT(dev))); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 330 | QLIST_FOREACH(child, &dev->child_bus, sibling) { |
Eric Blake | 50b7b00 | 2015-09-10 10:19:16 -0600 | [diff] [blame] | 331 | error_append_hint(errp, "%s\"%s\"", sep, child->name); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 332 | sep = ", "; |
| 333 | } |
Markus Armbruster | 543202c | 2015-12-17 17:35:14 +0100 | [diff] [blame] | 334 | error_append_hint(errp, "\n"); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 335 | } |
| 336 | |
Eric Blake | 50b7b00 | 2015-09-10 10:19:16 -0600 | [diff] [blame] | 337 | static void qbus_list_dev(BusState *bus, Error **errp) |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 338 | { |
Anthony Liguori | 0866aca | 2011-12-23 15:34:39 -0600 | [diff] [blame] | 339 | BusChild *kid; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 340 | const char *sep = " "; |
| 341 | |
Eric Blake | 50b7b00 | 2015-09-10 10:19:16 -0600 | [diff] [blame] | 342 | error_append_hint(errp, "devices at \"%s\":", bus->name); |
Anthony Liguori | 0866aca | 2011-12-23 15:34:39 -0600 | [diff] [blame] | 343 | QTAILQ_FOREACH(kid, &bus->children, sibling) { |
| 344 | DeviceState *dev = kid->child; |
Eric Blake | 50b7b00 | 2015-09-10 10:19:16 -0600 | [diff] [blame] | 345 | error_append_hint(errp, "%s\"%s\"", sep, |
| 346 | object_get_typename(OBJECT(dev))); |
| 347 | if (dev->id) { |
| 348 | error_append_hint(errp, "/\"%s\"", dev->id); |
| 349 | } |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 350 | sep = ", "; |
| 351 | } |
Markus Armbruster | 543202c | 2015-12-17 17:35:14 +0100 | [diff] [blame] | 352 | error_append_hint(errp, "\n"); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 353 | } |
| 354 | |
| 355 | static BusState *qbus_find_bus(DeviceState *dev, char *elem) |
| 356 | { |
| 357 | BusState *child; |
| 358 | |
| 359 | QLIST_FOREACH(child, &dev->child_bus, sibling) { |
| 360 | if (strcmp(child->name, elem) == 0) { |
| 361 | return child; |
| 362 | } |
| 363 | } |
| 364 | return NULL; |
| 365 | } |
| 366 | |
| 367 | static DeviceState *qbus_find_dev(BusState *bus, char *elem) |
| 368 | { |
Anthony Liguori | 0866aca | 2011-12-23 15:34:39 -0600 | [diff] [blame] | 369 | BusChild *kid; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 370 | |
| 371 | /* |
| 372 | * try to match in order: |
| 373 | * (1) instance id, if present |
| 374 | * (2) driver name |
| 375 | * (3) driver alias, if present |
| 376 | */ |
Anthony Liguori | 0866aca | 2011-12-23 15:34:39 -0600 | [diff] [blame] | 377 | QTAILQ_FOREACH(kid, &bus->children, sibling) { |
| 378 | DeviceState *dev = kid->child; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 379 | if (dev->id && strcmp(dev->id, elem) == 0) { |
| 380 | return dev; |
| 381 | } |
| 382 | } |
Anthony Liguori | 0866aca | 2011-12-23 15:34:39 -0600 | [diff] [blame] | 383 | QTAILQ_FOREACH(kid, &bus->children, sibling) { |
| 384 | DeviceState *dev = kid->child; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 385 | if (strcmp(object_get_typename(OBJECT(dev)), elem) == 0) { |
| 386 | return dev; |
| 387 | } |
| 388 | } |
Anthony Liguori | 0866aca | 2011-12-23 15:34:39 -0600 | [diff] [blame] | 389 | QTAILQ_FOREACH(kid, &bus->children, sibling) { |
| 390 | DeviceState *dev = kid->child; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 391 | DeviceClass *dc = DEVICE_GET_CLASS(dev); |
| 392 | |
| 393 | if (qdev_class_has_alias(dc) && |
| 394 | strcmp(qdev_class_get_alias(dc), elem) == 0) { |
| 395 | return dev; |
| 396 | } |
| 397 | } |
| 398 | return NULL; |
| 399 | } |
| 400 | |
Markus Armbruster | a5ec494 | 2015-03-11 17:26:31 +0100 | [diff] [blame] | 401 | static inline bool qbus_is_full(BusState *bus) |
| 402 | { |
| 403 | BusClass *bus_class = BUS_GET_CLASS(bus); |
| 404 | return bus_class->max_dev && bus->max_index >= bus_class->max_dev; |
| 405 | } |
| 406 | |
| 407 | /* |
| 408 | * Search the tree rooted at @bus for a bus. |
| 409 | * If @name, search for a bus with that name. Note that bus names |
| 410 | * need not be unique. Yes, that's screwed up. |
| 411 | * Else search for a bus that is a subtype of @bus_typename. |
| 412 | * If more than one exists, prefer one that can take another device. |
| 413 | * Return the bus if found, else %NULL. |
| 414 | */ |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 415 | static BusState *qbus_find_recursive(BusState *bus, const char *name, |
Anthony Liguori | 0d93692 | 2012-05-02 09:00:20 +0200 | [diff] [blame] | 416 | const char *bus_typename) |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 417 | { |
Anthony Liguori | 0866aca | 2011-12-23 15:34:39 -0600 | [diff] [blame] | 418 | BusChild *kid; |
Markus Armbruster | a5ec494 | 2015-03-11 17:26:31 +0100 | [diff] [blame] | 419 | BusState *pick, *child, *ret; |
| 420 | bool match; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 421 | |
Markus Armbruster | a5ec494 | 2015-03-11 17:26:31 +0100 | [diff] [blame] | 422 | assert(name || bus_typename); |
| 423 | if (name) { |
| 424 | match = !strcmp(bus->name, name); |
| 425 | } else { |
| 426 | match = !!object_dynamic_cast(OBJECT(bus), bus_typename); |
KONRAD Frederic | 1395af6 | 2013-01-15 00:08:00 +0100 | [diff] [blame] | 427 | } |
Markus Armbruster | a5ec494 | 2015-03-11 17:26:31 +0100 | [diff] [blame] | 428 | |
| 429 | if (match && !qbus_is_full(bus)) { |
| 430 | return bus; /* root matches and isn't full */ |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 431 | } |
| 432 | |
Markus Armbruster | a5ec494 | 2015-03-11 17:26:31 +0100 | [diff] [blame] | 433 | pick = match ? bus : NULL; |
| 434 | |
Anthony Liguori | 0866aca | 2011-12-23 15:34:39 -0600 | [diff] [blame] | 435 | QTAILQ_FOREACH(kid, &bus->children, sibling) { |
| 436 | DeviceState *dev = kid->child; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 437 | QLIST_FOREACH(child, &dev->child_bus, sibling) { |
Anthony Liguori | 0d93692 | 2012-05-02 09:00:20 +0200 | [diff] [blame] | 438 | ret = qbus_find_recursive(child, name, bus_typename); |
Markus Armbruster | a5ec494 | 2015-03-11 17:26:31 +0100 | [diff] [blame] | 439 | if (ret && !qbus_is_full(ret)) { |
| 440 | return ret; /* a descendant matches and isn't full */ |
| 441 | } |
| 442 | if (ret && !pick) { |
| 443 | pick = ret; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 444 | } |
| 445 | } |
| 446 | } |
Markus Armbruster | a5ec494 | 2015-03-11 17:26:31 +0100 | [diff] [blame] | 447 | |
| 448 | /* root or a descendant matches, but is full */ |
| 449 | return pick; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 450 | } |
| 451 | |
Markus Armbruster | d282842 | 2015-03-11 19:16:04 +0100 | [diff] [blame] | 452 | static BusState *qbus_find(const char *path, Error **errp) |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 453 | { |
| 454 | DeviceState *dev; |
| 455 | BusState *bus; |
| 456 | char elem[128]; |
| 457 | int pos, len; |
| 458 | |
| 459 | /* find start element */ |
| 460 | if (path[0] == '/') { |
| 461 | bus = sysbus_get_default(); |
| 462 | pos = 0; |
| 463 | } else { |
| 464 | if (sscanf(path, "%127[^/]%n", elem, &len) != 1) { |
| 465 | assert(!path[0]); |
| 466 | elem[0] = len = 0; |
| 467 | } |
| 468 | bus = qbus_find_recursive(sysbus_get_default(), elem, NULL); |
| 469 | if (!bus) { |
Markus Armbruster | d282842 | 2015-03-11 19:16:04 +0100 | [diff] [blame] | 470 | error_setg(errp, "Bus '%s' not found", elem); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 471 | return NULL; |
| 472 | } |
| 473 | pos = len; |
| 474 | } |
| 475 | |
| 476 | for (;;) { |
| 477 | assert(path[pos] == '/' || !path[pos]); |
| 478 | while (path[pos] == '/') { |
| 479 | pos++; |
| 480 | } |
| 481 | if (path[pos] == '\0') { |
Markus Armbruster | ed238ba | 2015-03-11 18:39:16 +0100 | [diff] [blame] | 482 | break; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 483 | } |
| 484 | |
| 485 | /* find device */ |
| 486 | if (sscanf(path+pos, "%127[^/]%n", elem, &len) != 1) { |
Stefan Weil | dfc6f86 | 2013-07-25 18:21:28 +0200 | [diff] [blame] | 487 | g_assert_not_reached(); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 488 | elem[0] = len = 0; |
| 489 | } |
| 490 | pos += len; |
| 491 | dev = qbus_find_dev(bus, elem); |
| 492 | if (!dev) { |
Markus Armbruster | 75158eb | 2015-03-16 08:57:47 +0100 | [diff] [blame] | 493 | error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND, |
| 494 | "Device '%s' not found", elem); |
Eric Blake | 50b7b00 | 2015-09-10 10:19:16 -0600 | [diff] [blame] | 495 | qbus_list_dev(bus, errp); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 496 | return NULL; |
| 497 | } |
| 498 | |
| 499 | assert(path[pos] == '/' || !path[pos]); |
| 500 | while (path[pos] == '/') { |
| 501 | pos++; |
| 502 | } |
| 503 | if (path[pos] == '\0') { |
| 504 | /* last specified element is a device. If it has exactly |
| 505 | * one child bus accept it nevertheless */ |
Markus Armbruster | ed238ba | 2015-03-11 18:39:16 +0100 | [diff] [blame] | 506 | if (dev->num_child_bus == 1) { |
| 507 | bus = QLIST_FIRST(&dev->child_bus); |
| 508 | break; |
| 509 | } |
| 510 | if (dev->num_child_bus) { |
Markus Armbruster | d282842 | 2015-03-11 19:16:04 +0100 | [diff] [blame] | 511 | error_setg(errp, "Device '%s' has multiple child buses", |
| 512 | elem); |
Eric Blake | 50b7b00 | 2015-09-10 10:19:16 -0600 | [diff] [blame] | 513 | qbus_list_bus(dev, errp); |
Markus Armbruster | ed238ba | 2015-03-11 18:39:16 +0100 | [diff] [blame] | 514 | } else { |
Markus Armbruster | d282842 | 2015-03-11 19:16:04 +0100 | [diff] [blame] | 515 | error_setg(errp, "Device '%s' has no child bus", elem); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 516 | } |
Markus Armbruster | ed238ba | 2015-03-11 18:39:16 +0100 | [diff] [blame] | 517 | return NULL; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 518 | } |
| 519 | |
| 520 | /* find bus */ |
| 521 | if (sscanf(path+pos, "%127[^/]%n", elem, &len) != 1) { |
Stefan Weil | dfc6f86 | 2013-07-25 18:21:28 +0200 | [diff] [blame] | 522 | g_assert_not_reached(); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 523 | elem[0] = len = 0; |
| 524 | } |
| 525 | pos += len; |
| 526 | bus = qbus_find_bus(dev, elem); |
| 527 | if (!bus) { |
Markus Armbruster | d282842 | 2015-03-11 19:16:04 +0100 | [diff] [blame] | 528 | error_setg(errp, "Bus '%s' not found", elem); |
Eric Blake | 50b7b00 | 2015-09-10 10:19:16 -0600 | [diff] [blame] | 529 | qbus_list_bus(dev, errp); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 530 | return NULL; |
| 531 | } |
| 532 | } |
Markus Armbruster | ed238ba | 2015-03-11 18:39:16 +0100 | [diff] [blame] | 533 | |
| 534 | if (qbus_is_full(bus)) { |
Markus Armbruster | d282842 | 2015-03-11 19:16:04 +0100 | [diff] [blame] | 535 | error_setg(errp, "Bus '%s' is full", path); |
Markus Armbruster | ed238ba | 2015-03-11 18:39:16 +0100 | [diff] [blame] | 536 | return NULL; |
| 537 | } |
| 538 | return bus; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 539 | } |
| 540 | |
Markus Armbruster | f006cf7 | 2015-03-12 14:00:41 +0100 | [diff] [blame] | 541 | DeviceState *qdev_device_add(QemuOpts *opts, Error **errp) |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 542 | { |
Andreas Färber | f4d8579 | 2013-08-24 01:21:22 +0200 | [diff] [blame] | 543 | DeviceClass *dc; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 544 | const char *driver, *path, *id; |
Andreas Färber | 2bcb0c6 | 2013-10-07 16:17:54 +0200 | [diff] [blame] | 545 | DeviceState *dev; |
Andreas Färber | 2f7bd82 | 2013-04-16 03:50:21 +0200 | [diff] [blame] | 546 | BusState *bus = NULL; |
Andreas Färber | 852e2c5 | 2013-10-07 16:42:34 +0200 | [diff] [blame] | 547 | Error *err = NULL; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 548 | |
| 549 | driver = qemu_opt_get(opts, "driver"); |
| 550 | if (!driver) { |
Markus Armbruster | c6bd8c7 | 2015-03-17 11:54:50 +0100 | [diff] [blame] | 551 | error_setg(errp, QERR_MISSING_PARAMETER, "driver"); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 552 | return NULL; |
| 553 | } |
| 554 | |
| 555 | /* find driver */ |
Markus Armbruster | f006cf7 | 2015-03-12 14:00:41 +0100 | [diff] [blame] | 556 | dc = qdev_get_device_class(&driver, errp); |
| 557 | if (!dc) { |
Markus Armbruster | 7ea5e78 | 2013-11-28 17:27:03 +0100 | [diff] [blame] | 558 | return NULL; |
| 559 | } |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 560 | |
| 561 | /* find bus */ |
| 562 | path = qemu_opt_get(opts, "bus"); |
| 563 | if (path != NULL) { |
Markus Armbruster | f006cf7 | 2015-03-12 14:00:41 +0100 | [diff] [blame] | 564 | bus = qbus_find(path, errp); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 565 | if (!bus) { |
| 566 | return NULL; |
| 567 | } |
Andreas Färber | f4d8579 | 2013-08-24 01:21:22 +0200 | [diff] [blame] | 568 | if (!object_dynamic_cast(OBJECT(bus), dc->bus_type)) { |
Markus Armbruster | f006cf7 | 2015-03-12 14:00:41 +0100 | [diff] [blame] | 569 | error_setg(errp, "Device '%s' can't go on %s bus", |
| 570 | driver, object_get_typename(OBJECT(bus))); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 571 | return NULL; |
| 572 | } |
Andreas Färber | f4d8579 | 2013-08-24 01:21:22 +0200 | [diff] [blame] | 573 | } else if (dc->bus_type != NULL) { |
| 574 | bus = qbus_find_recursive(sysbus_get_default(), NULL, dc->bus_type); |
Markus Armbruster | a5ec494 | 2015-03-11 17:26:31 +0100 | [diff] [blame] | 575 | if (!bus || qbus_is_full(bus)) { |
Markus Armbruster | f006cf7 | 2015-03-12 14:00:41 +0100 | [diff] [blame] | 576 | error_setg(errp, "No '%s' bus found for device '%s'", |
| 577 | dc->bus_type, driver); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 578 | return NULL; |
| 579 | } |
| 580 | } |
Igor Mammedov | 39b888b | 2014-09-26 09:28:17 +0000 | [diff] [blame] | 581 | if (qdev_hotplug && bus && !qbus_is_hotpluggable(bus)) { |
Markus Armbruster | c6bd8c7 | 2015-03-17 11:54:50 +0100 | [diff] [blame] | 582 | error_setg(errp, QERR_BUS_NO_HOTPLUG, bus->name); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 583 | return NULL; |
| 584 | } |
| 585 | |
Amos Kong | 7b03094 | 2014-03-03 15:57:55 +0800 | [diff] [blame] | 586 | /* create device */ |
Andreas Färber | 2bcb0c6 | 2013-10-07 16:17:54 +0200 | [diff] [blame] | 587 | dev = DEVICE(object_new(driver)); |
Andreas Färber | 2f7bd82 | 2013-04-16 03:50:21 +0200 | [diff] [blame] | 588 | |
| 589 | if (bus) { |
Andreas Färber | 2bcb0c6 | 2013-10-07 16:17:54 +0200 | [diff] [blame] | 590 | qdev_set_parent_bus(dev, bus); |
Andreas Färber | 2f7bd82 | 2013-04-16 03:50:21 +0200 | [diff] [blame] | 591 | } |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 592 | |
| 593 | id = qemu_opts_id(opts); |
| 594 | if (id) { |
Andreas Färber | 2bcb0c6 | 2013-10-07 16:17:54 +0200 | [diff] [blame] | 595 | dev->id = id; |
Anthony Liguori | b2d4b3f | 2012-02-12 11:36:24 -0600 | [diff] [blame] | 596 | } |
Amos Kong | 7b03094 | 2014-03-03 15:57:55 +0800 | [diff] [blame] | 597 | |
Andreas Färber | 2bcb0c6 | 2013-10-07 16:17:54 +0200 | [diff] [blame] | 598 | if (dev->id) { |
| 599 | object_property_add_child(qdev_get_peripheral(), dev->id, |
| 600 | OBJECT(dev), NULL); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 601 | } else { |
| 602 | static int anon_count; |
| 603 | gchar *name = g_strdup_printf("device[%d]", anon_count++); |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 604 | object_property_add_child(qdev_get_peripheral_anon(), name, |
Andreas Färber | 2bcb0c6 | 2013-10-07 16:17:54 +0200 | [diff] [blame] | 605 | OBJECT(dev), NULL); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 606 | g_free(name); |
Andreas Färber | 2bcb0c6 | 2013-10-07 16:17:54 +0200 | [diff] [blame] | 607 | } |
Bandan Das | 52aa17c | 2014-02-26 10:32:40 -0700 | [diff] [blame] | 608 | |
Amos Kong | 7b03094 | 2014-03-03 15:57:55 +0800 | [diff] [blame] | 609 | /* set properties */ |
Markus Armbruster | 4caa489 | 2015-03-12 13:58:02 +0100 | [diff] [blame] | 610 | if (qemu_opt_foreach(opts, set_property, dev, &err)) { |
Markus Armbruster | f006cf7 | 2015-03-12 14:00:41 +0100 | [diff] [blame] | 611 | error_propagate(errp, err); |
Amos Kong | 7b03094 | 2014-03-03 15:57:55 +0800 | [diff] [blame] | 612 | object_unparent(OBJECT(dev)); |
| 613 | object_unref(OBJECT(dev)); |
| 614 | return NULL; |
| 615 | } |
| 616 | |
Bandan Das | 52aa17c | 2014-02-26 10:32:40 -0700 | [diff] [blame] | 617 | dev->opts = opts; |
Andreas Färber | 852e2c5 | 2013-10-07 16:42:34 +0200 | [diff] [blame] | 618 | object_property_set_bool(OBJECT(dev), true, "realized", &err); |
| 619 | if (err != NULL) { |
Markus Armbruster | f006cf7 | 2015-03-12 14:00:41 +0100 | [diff] [blame] | 620 | error_propagate(errp, err); |
Bandan Das | 52aa17c | 2014-02-26 10:32:40 -0700 | [diff] [blame] | 621 | dev->opts = NULL; |
Andreas Färber | 852e2c5 | 2013-10-07 16:42:34 +0200 | [diff] [blame] | 622 | object_unparent(OBJECT(dev)); |
Andreas Färber | 2bcb0c6 | 2013-10-07 16:17:54 +0200 | [diff] [blame] | 623 | object_unref(OBJECT(dev)); |
Paolo Bonzini | f424d5c | 2012-03-27 18:38:46 +0200 | [diff] [blame] | 624 | return NULL; |
| 625 | } |
Andreas Färber | 2bcb0c6 | 2013-10-07 16:17:54 +0200 | [diff] [blame] | 626 | return dev; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 627 | } |
| 628 | |
| 629 | |
| 630 | #define qdev_printf(fmt, ...) monitor_printf(mon, "%*s" fmt, indent, "", ## __VA_ARGS__) |
| 631 | static void qbus_print(Monitor *mon, BusState *bus, int indent); |
| 632 | |
| 633 | static void qdev_print_props(Monitor *mon, DeviceState *dev, Property *props, |
Paolo Bonzini | bce5447 | 2012-03-28 18:12:47 +0200 | [diff] [blame] | 634 | int indent) |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 635 | { |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 636 | if (!props) |
| 637 | return; |
Paolo Bonzini | d822979 | 2012-02-02 09:47:13 +0100 | [diff] [blame] | 638 | for (; props->name; props++) { |
| 639 | Error *err = NULL; |
| 640 | char *value; |
| 641 | char *legacy_name = g_strdup_printf("legacy-%s", props->name); |
| 642 | if (object_property_get_type(OBJECT(dev), legacy_name, NULL)) { |
| 643 | value = object_property_get_str(OBJECT(dev), legacy_name, &err); |
| 644 | } else { |
Paolo Bonzini | dae3bda | 2014-02-08 11:01:51 +0100 | [diff] [blame] | 645 | value = object_property_print(OBJECT(dev), props->name, true, &err); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 646 | } |
Paolo Bonzini | d822979 | 2012-02-02 09:47:13 +0100 | [diff] [blame] | 647 | g_free(legacy_name); |
| 648 | |
| 649 | if (err) { |
| 650 | error_free(err); |
| 651 | continue; |
| 652 | } |
Paolo Bonzini | bce5447 | 2012-03-28 18:12:47 +0200 | [diff] [blame] | 653 | qdev_printf("%s = %s\n", props->name, |
Paolo Bonzini | d822979 | 2012-02-02 09:47:13 +0100 | [diff] [blame] | 654 | value && *value ? value : "<null>"); |
| 655 | g_free(value); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 656 | } |
| 657 | } |
| 658 | |
Anthony Liguori | 0d93692 | 2012-05-02 09:00:20 +0200 | [diff] [blame] | 659 | static void bus_print_dev(BusState *bus, Monitor *mon, DeviceState *dev, int indent) |
| 660 | { |
| 661 | BusClass *bc = BUS_GET_CLASS(bus); |
| 662 | |
| 663 | if (bc->print_dev) { |
| 664 | bc->print_dev(mon, dev, indent); |
| 665 | } |
| 666 | } |
| 667 | |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 668 | static void qdev_print(Monitor *mon, DeviceState *dev, int indent) |
| 669 | { |
Paolo Bonzini | bce5447 | 2012-03-28 18:12:47 +0200 | [diff] [blame] | 670 | ObjectClass *class; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 671 | BusState *child; |
Peter Crosthwaite | a5f5429 | 2014-05-19 23:30:58 -0700 | [diff] [blame] | 672 | NamedGPIOList *ngl; |
| 673 | |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 674 | qdev_printf("dev: %s, id \"%s\"\n", object_get_typename(OBJECT(dev)), |
| 675 | dev->id ? dev->id : ""); |
| 676 | indent += 2; |
Peter Crosthwaite | a5f5429 | 2014-05-19 23:30:58 -0700 | [diff] [blame] | 677 | QLIST_FOREACH(ngl, &dev->gpios, node) { |
| 678 | if (ngl->num_in) { |
| 679 | qdev_printf("gpio-in \"%s\" %d\n", ngl->name ? ngl->name : "", |
| 680 | ngl->num_in); |
| 681 | } |
| 682 | if (ngl->num_out) { |
| 683 | qdev_printf("gpio-out \"%s\" %d\n", ngl->name ? ngl->name : "", |
| 684 | ngl->num_out); |
| 685 | } |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 686 | } |
Paolo Bonzini | bce5447 | 2012-03-28 18:12:47 +0200 | [diff] [blame] | 687 | class = object_get_class(OBJECT(dev)); |
| 688 | do { |
| 689 | qdev_print_props(mon, dev, DEVICE_CLASS(class)->props, indent); |
| 690 | class = object_class_get_parent(class); |
| 691 | } while (class != object_class_by_name(TYPE_DEVICE)); |
Gerd Hoffmann | da9fbe7 | 2012-07-11 12:21:23 +0200 | [diff] [blame] | 692 | bus_print_dev(dev->parent_bus, mon, dev, indent); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 693 | QLIST_FOREACH(child, &dev->child_bus, sibling) { |
| 694 | qbus_print(mon, child, indent); |
| 695 | } |
| 696 | } |
| 697 | |
| 698 | static void qbus_print(Monitor *mon, BusState *bus, int indent) |
| 699 | { |
Anthony Liguori | 0866aca | 2011-12-23 15:34:39 -0600 | [diff] [blame] | 700 | BusChild *kid; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 701 | |
| 702 | qdev_printf("bus: %s\n", bus->name); |
| 703 | indent += 2; |
Anthony Liguori | 0d93692 | 2012-05-02 09:00:20 +0200 | [diff] [blame] | 704 | qdev_printf("type %s\n", object_get_typename(OBJECT(bus))); |
Anthony Liguori | 0866aca | 2011-12-23 15:34:39 -0600 | [diff] [blame] | 705 | QTAILQ_FOREACH(kid, &bus->children, sibling) { |
| 706 | DeviceState *dev = kid->child; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 707 | qdev_print(mon, dev, indent); |
| 708 | } |
| 709 | } |
| 710 | #undef qdev_printf |
| 711 | |
Markus Armbruster | 1ce6be2 | 2015-02-06 14:18:24 +0100 | [diff] [blame] | 712 | void hmp_info_qtree(Monitor *mon, const QDict *qdict) |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 713 | { |
| 714 | if (sysbus_get_default()) |
| 715 | qbus_print(mon, sysbus_get_default(), 0); |
| 716 | } |
| 717 | |
Markus Armbruster | 1ce6be2 | 2015-02-06 14:18:24 +0100 | [diff] [blame] | 718 | void hmp_info_qdm(Monitor *mon, const QDict *qdict) |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 719 | { |
Markus Armbruster | a3400ae | 2013-10-10 15:00:21 +0200 | [diff] [blame] | 720 | qdev_print_devinfos(true); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 721 | } |
| 722 | |
Andreas Färber | a01ff75 | 2014-05-07 17:03:18 +0200 | [diff] [blame] | 723 | typedef struct QOMCompositionState { |
| 724 | Monitor *mon; |
| 725 | int indent; |
| 726 | } QOMCompositionState; |
| 727 | |
| 728 | static void print_qom_composition(Monitor *mon, Object *obj, int indent); |
| 729 | |
| 730 | static int print_qom_composition_child(Object *obj, void *opaque) |
| 731 | { |
| 732 | QOMCompositionState *s = opaque; |
| 733 | |
| 734 | print_qom_composition(s->mon, obj, s->indent); |
| 735 | |
| 736 | return 0; |
| 737 | } |
| 738 | |
| 739 | static void print_qom_composition(Monitor *mon, Object *obj, int indent) |
| 740 | { |
| 741 | QOMCompositionState s = { |
| 742 | .mon = mon, |
| 743 | .indent = indent + 2, |
| 744 | }; |
| 745 | char *name; |
| 746 | |
| 747 | if (obj == object_get_root()) { |
| 748 | name = g_strdup(""); |
| 749 | } else { |
| 750 | name = object_get_canonical_path_component(obj); |
| 751 | } |
| 752 | monitor_printf(mon, "%*s/%s (%s)\n", indent, "", name, |
| 753 | object_get_typename(obj)); |
| 754 | g_free(name); |
| 755 | object_child_foreach(obj, print_qom_composition_child, &s); |
| 756 | } |
| 757 | |
| 758 | void hmp_info_qom_tree(Monitor *mon, const QDict *dict) |
| 759 | { |
| 760 | const char *path = qdict_get_try_str(dict, "path"); |
| 761 | Object *obj; |
| 762 | bool ambiguous = false; |
| 763 | |
| 764 | if (path) { |
| 765 | obj = object_resolve_path(path, &ambiguous); |
| 766 | if (!obj) { |
| 767 | monitor_printf(mon, "Path '%s' could not be resolved.\n", path); |
| 768 | return; |
| 769 | } |
| 770 | if (ambiguous) { |
| 771 | monitor_printf(mon, "Warning: Path '%s' is ambiguous.\n", path); |
| 772 | return; |
| 773 | } |
| 774 | } else { |
| 775 | obj = qdev_get_machine(); |
| 776 | } |
| 777 | print_qom_composition(mon, obj, 0); |
| 778 | } |
| 779 | |
Markus Armbruster | 485febc | 2015-03-13 17:25:50 +0100 | [diff] [blame] | 780 | void qmp_device_add(QDict *qdict, QObject **ret_data, Error **errp) |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 781 | { |
Luiz Capitulino | 4e89978 | 2012-04-18 17:24:01 -0300 | [diff] [blame] | 782 | Error *local_err = NULL; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 783 | QemuOpts *opts; |
Paolo Bonzini | b09995a | 2013-01-25 14:12:37 +0100 | [diff] [blame] | 784 | DeviceState *dev; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 785 | |
Luiz Capitulino | 4e89978 | 2012-04-18 17:24:01 -0300 | [diff] [blame] | 786 | opts = qemu_opts_from_qdict(qemu_find_opts("device"), qdict, &local_err); |
Markus Armbruster | 84d18f0 | 2014-01-30 15:07:28 +0100 | [diff] [blame] | 787 | if (local_err) { |
Markus Armbruster | 485febc | 2015-03-13 17:25:50 +0100 | [diff] [blame] | 788 | error_propagate(errp, local_err); |
| 789 | return; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 790 | } |
| 791 | if (!monitor_cur_is_qmp() && qdev_device_help(opts)) { |
| 792 | qemu_opts_del(opts); |
Markus Armbruster | 485febc | 2015-03-13 17:25:50 +0100 | [diff] [blame] | 793 | return; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 794 | } |
Markus Armbruster | f006cf7 | 2015-03-12 14:00:41 +0100 | [diff] [blame] | 795 | dev = qdev_device_add(opts, &local_err); |
Paolo Bonzini | b09995a | 2013-01-25 14:12:37 +0100 | [diff] [blame] | 796 | if (!dev) { |
Markus Armbruster | 485febc | 2015-03-13 17:25:50 +0100 | [diff] [blame] | 797 | error_propagate(errp, local_err); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 798 | qemu_opts_del(opts); |
Markus Armbruster | 485febc | 2015-03-13 17:25:50 +0100 | [diff] [blame] | 799 | return; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 800 | } |
Paolo Bonzini | b09995a | 2013-01-25 14:12:37 +0100 | [diff] [blame] | 801 | object_unref(OBJECT(dev)); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 802 | } |
| 803 | |
Luiz Capitulino | a15fef2 | 2012-03-29 12:38:50 -0300 | [diff] [blame] | 804 | void qmp_device_del(const char *id, Error **errp) |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 805 | { |
Igor Mammedov | b6cc36a | 2014-10-02 10:08:45 +0000 | [diff] [blame] | 806 | Object *obj; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 807 | |
Daniel P. Berrange | 6287d82 | 2015-09-11 13:33:56 +0100 | [diff] [blame] | 808 | if (id[0] == '/') { |
| 809 | obj = object_resolve_path(id, NULL); |
| 810 | } else { |
| 811 | char *root_path = object_get_canonical_path(qdev_get_peripheral()); |
| 812 | char *path = g_strdup_printf("%s/%s", root_path, id); |
| 813 | |
| 814 | g_free(root_path); |
| 815 | obj = object_resolve_path_type(path, TYPE_DEVICE, NULL); |
| 816 | g_free(path); |
| 817 | } |
Igor Mammedov | b6cc36a | 2014-10-02 10:08:45 +0000 | [diff] [blame] | 818 | |
| 819 | if (!obj) { |
Markus Armbruster | 75158eb | 2015-03-16 08:57:47 +0100 | [diff] [blame] | 820 | error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND, |
| 821 | "Device '%s' not found", id); |
Luiz Capitulino | a15fef2 | 2012-03-29 12:38:50 -0300 | [diff] [blame] | 822 | return; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 823 | } |
Luiz Capitulino | 56f9107 | 2012-03-14 17:37:38 -0300 | [diff] [blame] | 824 | |
Daniel P. Berrange | 6287d82 | 2015-09-11 13:33:56 +0100 | [diff] [blame] | 825 | if (!object_dynamic_cast(obj, TYPE_DEVICE)) { |
| 826 | error_setg(errp, "%s is not a hotpluggable device", id); |
| 827 | return; |
| 828 | } |
| 829 | |
Igor Mammedov | b6cc36a | 2014-10-02 10:08:45 +0000 | [diff] [blame] | 830 | qdev_unplug(DEVICE(obj), errp); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 831 | } |
| 832 | |
| 833 | void qdev_machine_init(void) |
| 834 | { |
| 835 | qdev_get_peripheral_anon(); |
| 836 | qdev_get_peripheral(); |
| 837 | } |
Paolo Bonzini | 4d45457 | 2012-11-26 16:03:42 +0100 | [diff] [blame] | 838 | |
| 839 | QemuOptsList qemu_device_opts = { |
| 840 | .name = "device", |
| 841 | .implied_opt_name = "driver", |
| 842 | .head = QTAILQ_HEAD_INITIALIZER(qemu_device_opts.head), |
| 843 | .desc = { |
| 844 | /* |
| 845 | * no elements => accept any |
| 846 | * sanity checking will happen later |
| 847 | * when setting device properties |
| 848 | */ |
| 849 | { /* end of list */ } |
| 850 | }, |
| 851 | }; |
| 852 | |
| 853 | QemuOptsList qemu_global_opts = { |
| 854 | .name = "global", |
| 855 | .head = QTAILQ_HEAD_INITIALIZER(qemu_global_opts.head), |
| 856 | .desc = { |
| 857 | { |
| 858 | .name = "driver", |
| 859 | .type = QEMU_OPT_STRING, |
| 860 | },{ |
| 861 | .name = "property", |
| 862 | .type = QEMU_OPT_STRING, |
| 863 | },{ |
| 864 | .name = "value", |
| 865 | .type = QEMU_OPT_STRING, |
| 866 | }, |
| 867 | { /* end of list */ } |
| 868 | }, |
| 869 | }; |
| 870 | |
| 871 | int qemu_global_option(const char *str) |
| 872 | { |
| 873 | char driver[64], property[64]; |
| 874 | QemuOpts *opts; |
| 875 | int rc, offset; |
| 876 | |
Paolo Bonzini | 3751d7c | 2015-04-09 14:16:19 +0200 | [diff] [blame] | 877 | rc = sscanf(str, "%63[^.=].%63[^=]%n", driver, property, &offset); |
| 878 | if (rc == 2 && str[offset] == '=') { |
| 879 | opts = qemu_opts_create(&qemu_global_opts, NULL, 0, &error_abort); |
| 880 | qemu_opt_set(opts, "driver", driver, &error_abort); |
| 881 | qemu_opt_set(opts, "property", property, &error_abort); |
| 882 | qemu_opt_set(opts, "value", str + offset + 1, &error_abort); |
| 883 | return 0; |
| 884 | } |
| 885 | |
Markus Armbruster | 70b9433 | 2015-02-13 12:50:26 +0100 | [diff] [blame] | 886 | opts = qemu_opts_parse_noisily(&qemu_global_opts, str, false); |
Paolo Bonzini | 3751d7c | 2015-04-09 14:16:19 +0200 | [diff] [blame] | 887 | if (!opts) { |
Paolo Bonzini | 4d45457 | 2012-11-26 16:03:42 +0100 | [diff] [blame] | 888 | return -1; |
| 889 | } |
| 890 | |
Paolo Bonzini | 4d45457 | 2012-11-26 16:03:42 +0100 | [diff] [blame] | 891 | return 0; |
| 892 | } |