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 |
Chetan Pant | 61f3c91 | 2020-10-23 12:44:24 +0000 | [diff] [blame] | 9 | * version 2.1 of the License, or (at your option) any later version. |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 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" |
Andreas Färber | 2f7bd82 | 2013-04-16 03:50:21 +0200 | [diff] [blame] | 21 | #include "hw/sysbus.h" |
Markus Armbruster | d94bd09 | 2019-07-09 20:59:36 +0200 | [diff] [blame] | 22 | #include "monitor/hmp.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" |
Paolo Bonzini | 9c17d61 | 2012-12-17 18:20:04 +0100 | [diff] [blame] | 25 | #include "sysemu/arch_init.h" |
Markus Armbruster | e688df6 | 2018-02-01 12:18:31 +0100 | [diff] [blame] | 26 | #include "qapi/error.h" |
Markus Armbruster | c577ff6 | 2019-06-19 22:10:37 +0200 | [diff] [blame] | 27 | #include "qapi/qapi-commands-qdev.h" |
Paolo Bonzini | 164dafd | 2020-10-27 04:44:18 -0400 | [diff] [blame] | 28 | #include "qapi/qmp/dispatch.h" |
Markus Armbruster | 452fcdb | 2018-02-01 12:18:39 +0100 | [diff] [blame] | 29 | #include "qapi/qmp/qdict.h" |
Markus Armbruster | cc7a8ea | 2015-03-17 17:22:46 +0100 | [diff] [blame] | 30 | #include "qapi/qmp/qerror.h" |
Kevin Wolf | c34efec | 2021-10-08 15:34:34 +0200 | [diff] [blame] | 31 | #include "qapi/qmp/qstring.h" |
| 32 | #include "qapi/qobject-input-visitor.h" |
Paolo Bonzini | 1de7afc | 2012-12-17 18:20:00 +0100 | [diff] [blame] | 33 | #include "qemu/config-file.h" |
Markus Armbruster | d49b683 | 2015-03-17 18:29:20 +0100 | [diff] [blame] | 34 | #include "qemu/error-report.h" |
Veronia Bahaa | f348b6d | 2016-03-20 19:16:19 +0200 | [diff] [blame] | 35 | #include "qemu/help_option.h" |
Markus Armbruster | 922a01a | 2018-02-01 12:18:46 +0100 | [diff] [blame] | 36 | #include "qemu/option.h" |
Markus Armbruster | 8acb2a7 | 2019-04-17 21:06:41 +0200 | [diff] [blame] | 37 | #include "qemu/qemu-print.h" |
Jens Freimann | f3a8505 | 2019-10-29 12:48:55 +0100 | [diff] [blame] | 38 | #include "qemu/option_int.h" |
Kevin Wolf | 9680cae | 2016-09-20 13:38:42 +0200 | [diff] [blame] | 39 | #include "sysemu/block-backend.h" |
Juan Quintela | c4b63b7 | 2017-04-24 19:02:44 +0200 | [diff] [blame] | 40 | #include "migration/misc.h" |
Jens Freimann | f3a8505 | 2019-10-29 12:48:55 +0100 | [diff] [blame] | 41 | #include "migration/migration.h" |
Marc-André Lureau | e1043d6 | 2020-01-10 19:30:39 +0400 | [diff] [blame] | 42 | #include "qemu/cutils.h" |
Eduardo Habkost | d3fd6e7 | 2020-12-11 17:05:00 -0500 | [diff] [blame] | 43 | #include "hw/qdev-properties.h" |
Damien Hedde | 9f2ff99 | 2020-04-06 15:52:51 +0200 | [diff] [blame] | 44 | #include "hw/clock.h" |
Damien Hedde | 312e1b1 | 2021-10-29 16:22:57 +0200 | [diff] [blame] | 45 | #include "hw/boards.h" |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 46 | |
| 47 | /* |
| 48 | * Aliases were a bad idea from the start. Let's keep them |
| 49 | * from spreading further. |
| 50 | */ |
| 51 | typedef struct QDevAlias |
| 52 | { |
| 53 | const char *typename; |
| 54 | const char *alias; |
Alexander Graf | 5f629d9 | 2012-05-18 02:36:26 +0200 | [diff] [blame] | 55 | uint32_t arch_mask; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 56 | } QDevAlias; |
| 57 | |
Peter Maydell | 3669282 | 2021-07-30 11:59:45 +0100 | [diff] [blame] | 58 | /* default virtio transport per architecture */ |
| 59 | #define QEMU_ARCH_VIRTIO_PCI (QEMU_ARCH_ALPHA | QEMU_ARCH_ARM | \ |
| 60 | QEMU_ARCH_HPPA | QEMU_ARCH_I386 | \ |
| 61 | QEMU_ARCH_MIPS | QEMU_ARCH_PPC | \ |
| 62 | QEMU_ARCH_RISCV | QEMU_ARCH_SH4 | \ |
| 63 | QEMU_ARCH_SPARC | QEMU_ARCH_XTENSA) |
| 64 | #define QEMU_ARCH_VIRTIO_CCW (QEMU_ARCH_S390X) |
| 65 | #define QEMU_ARCH_VIRTIO_MMIO (QEMU_ARCH_M68K) |
| 66 | |
Sascha Silbe | 36e9916 | 2016-02-18 22:44:13 +0100 | [diff] [blame] | 67 | /* Please keep this table sorted by typename. */ |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 68 | static const QDevAlias qdev_alias_table[] = { |
Gerd Hoffmann | 2957f5a | 2020-07-02 15:25:09 +0200 | [diff] [blame] | 69 | { "AC97", "ac97" }, /* -soundhw name */ |
Sascha Silbe | 36e9916 | 2016-02-18 22:44:13 +0100 | [diff] [blame] | 70 | { "e1000", "e1000-82540em" }, |
Gerd Hoffmann | 0e933fe | 2020-07-02 15:25:10 +0200 | [diff] [blame] | 71 | { "ES1370", "es1370" }, /* -soundhw name */ |
Sascha Silbe | 36e9916 | 2016-02-18 22:44:13 +0100 | [diff] [blame] | 72 | { "ich9-ahci", "ahci" }, |
Sascha Silbe | 36e9916 | 2016-02-18 22:44:13 +0100 | [diff] [blame] | 73 | { "lsi53c895a", "lsi" }, |
Laurent Vivier | 4c5806a | 2021-03-23 16:53:03 +0000 | [diff] [blame] | 74 | { "virtio-9p-device", "virtio-9p", QEMU_ARCH_VIRTIO_MMIO }, |
Laurent Vivier | 203adb4 | 2021-03-23 16:53:02 +0000 | [diff] [blame] | 75 | { "virtio-9p-ccw", "virtio-9p", QEMU_ARCH_VIRTIO_CCW }, |
| 76 | { "virtio-9p-pci", "virtio-9p", QEMU_ARCH_VIRTIO_PCI }, |
Laurent Vivier | 4c5806a | 2021-03-23 16:53:03 +0000 | [diff] [blame] | 77 | { "virtio-balloon-device", "virtio-balloon", QEMU_ARCH_VIRTIO_MMIO }, |
Laurent Vivier | 203adb4 | 2021-03-23 16:53:02 +0000 | [diff] [blame] | 78 | { "virtio-balloon-ccw", "virtio-balloon", QEMU_ARCH_VIRTIO_CCW }, |
| 79 | { "virtio-balloon-pci", "virtio-balloon", QEMU_ARCH_VIRTIO_PCI }, |
Laurent Vivier | 4c5806a | 2021-03-23 16:53:03 +0000 | [diff] [blame] | 80 | { "virtio-blk-device", "virtio-blk", QEMU_ARCH_VIRTIO_MMIO }, |
Laurent Vivier | 203adb4 | 2021-03-23 16:53:02 +0000 | [diff] [blame] | 81 | { "virtio-blk-ccw", "virtio-blk", QEMU_ARCH_VIRTIO_CCW }, |
| 82 | { "virtio-blk-pci", "virtio-blk", QEMU_ARCH_VIRTIO_PCI }, |
Laurent Vivier | 4c5806a | 2021-03-23 16:53:03 +0000 | [diff] [blame] | 83 | { "virtio-gpu-device", "virtio-gpu", QEMU_ARCH_VIRTIO_MMIO }, |
Laurent Vivier | 203adb4 | 2021-03-23 16:53:02 +0000 | [diff] [blame] | 84 | { "virtio-gpu-ccw", "virtio-gpu", QEMU_ARCH_VIRTIO_CCW }, |
| 85 | { "virtio-gpu-pci", "virtio-gpu", QEMU_ARCH_VIRTIO_PCI }, |
Akihiko Odaki | f4ba24b | 2022-02-13 11:18:00 +0900 | [diff] [blame] | 86 | { "virtio-gpu-gl-device", "virtio-gpu-gl", QEMU_ARCH_VIRTIO_MMIO }, |
| 87 | { "virtio-gpu-gl-pci", "virtio-gpu-gl", QEMU_ARCH_VIRTIO_PCI }, |
Laurent Vivier | 4c5806a | 2021-03-23 16:53:03 +0000 | [diff] [blame] | 88 | { "virtio-input-host-device", "virtio-input-host", QEMU_ARCH_VIRTIO_MMIO }, |
Laurent Vivier | 203adb4 | 2021-03-23 16:53:02 +0000 | [diff] [blame] | 89 | { "virtio-input-host-ccw", "virtio-input-host", QEMU_ARCH_VIRTIO_CCW }, |
| 90 | { "virtio-input-host-pci", "virtio-input-host", QEMU_ARCH_VIRTIO_PCI }, |
| 91 | { "virtio-iommu-pci", "virtio-iommu", QEMU_ARCH_VIRTIO_PCI }, |
Laurent Vivier | 4c5806a | 2021-03-23 16:53:03 +0000 | [diff] [blame] | 92 | { "virtio-keyboard-device", "virtio-keyboard", QEMU_ARCH_VIRTIO_MMIO }, |
Laurent Vivier | 203adb4 | 2021-03-23 16:53:02 +0000 | [diff] [blame] | 93 | { "virtio-keyboard-ccw", "virtio-keyboard", QEMU_ARCH_VIRTIO_CCW }, |
| 94 | { "virtio-keyboard-pci", "virtio-keyboard", QEMU_ARCH_VIRTIO_PCI }, |
Laurent Vivier | 4c5806a | 2021-03-23 16:53:03 +0000 | [diff] [blame] | 95 | { "virtio-mouse-device", "virtio-mouse", QEMU_ARCH_VIRTIO_MMIO }, |
Laurent Vivier | 203adb4 | 2021-03-23 16:53:02 +0000 | [diff] [blame] | 96 | { "virtio-mouse-ccw", "virtio-mouse", QEMU_ARCH_VIRTIO_CCW }, |
| 97 | { "virtio-mouse-pci", "virtio-mouse", QEMU_ARCH_VIRTIO_PCI }, |
Laurent Vivier | 4c5806a | 2021-03-23 16:53:03 +0000 | [diff] [blame] | 98 | { "virtio-net-device", "virtio-net", QEMU_ARCH_VIRTIO_MMIO }, |
Laurent Vivier | 203adb4 | 2021-03-23 16:53:02 +0000 | [diff] [blame] | 99 | { "virtio-net-ccw", "virtio-net", QEMU_ARCH_VIRTIO_CCW }, |
| 100 | { "virtio-net-pci", "virtio-net", QEMU_ARCH_VIRTIO_PCI }, |
Laurent Vivier | 4c5806a | 2021-03-23 16:53:03 +0000 | [diff] [blame] | 101 | { "virtio-rng-device", "virtio-rng", QEMU_ARCH_VIRTIO_MMIO }, |
Laurent Vivier | 203adb4 | 2021-03-23 16:53:02 +0000 | [diff] [blame] | 102 | { "virtio-rng-ccw", "virtio-rng", QEMU_ARCH_VIRTIO_CCW }, |
| 103 | { "virtio-rng-pci", "virtio-rng", QEMU_ARCH_VIRTIO_PCI }, |
Laurent Vivier | 4c5806a | 2021-03-23 16:53:03 +0000 | [diff] [blame] | 104 | { "virtio-scsi-device", "virtio-scsi", QEMU_ARCH_VIRTIO_MMIO }, |
Laurent Vivier | 203adb4 | 2021-03-23 16:53:02 +0000 | [diff] [blame] | 105 | { "virtio-scsi-ccw", "virtio-scsi", QEMU_ARCH_VIRTIO_CCW }, |
| 106 | { "virtio-scsi-pci", "virtio-scsi", QEMU_ARCH_VIRTIO_PCI }, |
Laurent Vivier | 4c5806a | 2021-03-23 16:53:03 +0000 | [diff] [blame] | 107 | { "virtio-serial-device", "virtio-serial", QEMU_ARCH_VIRTIO_MMIO }, |
Laurent Vivier | 203adb4 | 2021-03-23 16:53:02 +0000 | [diff] [blame] | 108 | { "virtio-serial-ccw", "virtio-serial", QEMU_ARCH_VIRTIO_CCW }, |
| 109 | { "virtio-serial-pci", "virtio-serial", QEMU_ARCH_VIRTIO_PCI}, |
Laurent Vivier | 4c5806a | 2021-03-23 16:53:03 +0000 | [diff] [blame] | 110 | { "virtio-tablet-device", "virtio-tablet", QEMU_ARCH_VIRTIO_MMIO }, |
Laurent Vivier | 203adb4 | 2021-03-23 16:53:02 +0000 | [diff] [blame] | 111 | { "virtio-tablet-ccw", "virtio-tablet", QEMU_ARCH_VIRTIO_CCW }, |
| 112 | { "virtio-tablet-pci", "virtio-tablet", QEMU_ARCH_VIRTIO_PCI }, |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 113 | { } |
| 114 | }; |
| 115 | |
| 116 | static const char *qdev_class_get_alias(DeviceClass *dc) |
| 117 | { |
| 118 | const char *typename = object_class_get_name(OBJECT_CLASS(dc)); |
| 119 | int i; |
| 120 | |
| 121 | for (i = 0; qdev_alias_table[i].typename; i++) { |
Alexander Graf | 5f629d9 | 2012-05-18 02:36:26 +0200 | [diff] [blame] | 122 | if (qdev_alias_table[i].arch_mask && |
| 123 | !(qdev_alias_table[i].arch_mask & arch_type)) { |
| 124 | continue; |
| 125 | } |
| 126 | |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 127 | if (strcmp(qdev_alias_table[i].typename, typename) == 0) { |
| 128 | return qdev_alias_table[i].alias; |
| 129 | } |
| 130 | } |
| 131 | |
| 132 | return NULL; |
| 133 | } |
| 134 | |
| 135 | static bool qdev_class_has_alias(DeviceClass *dc) |
| 136 | { |
| 137 | return (qdev_class_get_alias(dc) != NULL); |
| 138 | } |
| 139 | |
Markus Armbruster | a3400ae | 2013-10-10 15:00:21 +0200 | [diff] [blame] | 140 | static void qdev_print_devinfo(DeviceClass *dc) |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 141 | { |
Markus Armbruster | 8acb2a7 | 2019-04-17 21:06:41 +0200 | [diff] [blame] | 142 | qemu_printf("name \"%s\"", object_class_get_name(OBJECT_CLASS(dc))); |
Anthony Liguori | 0d93692 | 2012-05-02 09:00:20 +0200 | [diff] [blame] | 143 | if (dc->bus_type) { |
Markus Armbruster | 8acb2a7 | 2019-04-17 21:06:41 +0200 | [diff] [blame] | 144 | qemu_printf(", bus %s", dc->bus_type); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 145 | } |
| 146 | if (qdev_class_has_alias(dc)) { |
Markus Armbruster | 8acb2a7 | 2019-04-17 21:06:41 +0200 | [diff] [blame] | 147 | qemu_printf(", alias \"%s\"", qdev_class_get_alias(dc)); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 148 | } |
| 149 | if (dc->desc) { |
Markus Armbruster | 8acb2a7 | 2019-04-17 21:06:41 +0200 | [diff] [blame] | 150 | qemu_printf(", desc \"%s\"", dc->desc); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 151 | } |
Eduardo Habkost | e90f2a8 | 2017-05-03 17:35:44 -0300 | [diff] [blame] | 152 | if (!dc->user_creatable) { |
Markus Armbruster | 8acb2a7 | 2019-04-17 21:06:41 +0200 | [diff] [blame] | 153 | qemu_printf(", no-user"); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 154 | } |
Markus Armbruster | 8acb2a7 | 2019-04-17 21:06:41 +0200 | [diff] [blame] | 155 | qemu_printf("\n"); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 156 | } |
| 157 | |
Markus Armbruster | a3400ae | 2013-10-10 15:00:21 +0200 | [diff] [blame] | 158 | static void qdev_print_devinfos(bool show_no_user) |
| 159 | { |
| 160 | static const char *cat_name[DEVICE_CATEGORY_MAX + 1] = { |
| 161 | [DEVICE_CATEGORY_BRIDGE] = "Controller/Bridge/Hub", |
| 162 | [DEVICE_CATEGORY_USB] = "USB", |
| 163 | [DEVICE_CATEGORY_STORAGE] = "Storage", |
| 164 | [DEVICE_CATEGORY_NETWORK] = "Network", |
| 165 | [DEVICE_CATEGORY_INPUT] = "Input", |
| 166 | [DEVICE_CATEGORY_DISPLAY] = "Display", |
| 167 | [DEVICE_CATEGORY_SOUND] = "Sound", |
| 168 | [DEVICE_CATEGORY_MISC] = "Misc", |
Thomas Huth | ba31cc7 | 2017-01-20 14:01:16 +0100 | [diff] [blame] | 169 | [DEVICE_CATEGORY_CPU] = "CPU", |
Paolo Bonzini | b10cb62 | 2021-10-27 14:34:53 +0200 | [diff] [blame] | 170 | [DEVICE_CATEGORY_WATCHDOG]= "Watchdog", |
Markus Armbruster | a3400ae | 2013-10-10 15:00:21 +0200 | [diff] [blame] | 171 | [DEVICE_CATEGORY_MAX] = "Uncategorized", |
| 172 | }; |
| 173 | GSList *list, *elt; |
| 174 | int i; |
| 175 | bool cat_printed; |
| 176 | |
Gerd Hoffmann | 7ab6e7f | 2020-06-24 15:10:38 +0200 | [diff] [blame] | 177 | module_load_qom_all(); |
Paolo Bonzini | 47c6600 | 2018-03-03 08:33:10 +0100 | [diff] [blame] | 178 | list = object_class_get_list_sorted(TYPE_DEVICE, false); |
Markus Armbruster | a3400ae | 2013-10-10 15:00:21 +0200 | [diff] [blame] | 179 | |
| 180 | for (i = 0; i <= DEVICE_CATEGORY_MAX; i++) { |
| 181 | cat_printed = false; |
| 182 | for (elt = list; elt; elt = elt->next) { |
| 183 | DeviceClass *dc = OBJECT_CLASS_CHECK(DeviceClass, elt->data, |
| 184 | TYPE_DEVICE); |
| 185 | if ((i < DEVICE_CATEGORY_MAX |
| 186 | ? !test_bit(i, dc->categories) |
| 187 | : !bitmap_empty(dc->categories, DEVICE_CATEGORY_MAX)) |
Markus Armbruster | efec3dd | 2013-11-28 17:26:54 +0100 | [diff] [blame] | 188 | || (!show_no_user |
Eduardo Habkost | e90f2a8 | 2017-05-03 17:35:44 -0300 | [diff] [blame] | 189 | && !dc->user_creatable)) { |
Markus Armbruster | a3400ae | 2013-10-10 15:00:21 +0200 | [diff] [blame] | 190 | continue; |
| 191 | } |
| 192 | if (!cat_printed) { |
Markus Armbruster | 8acb2a7 | 2019-04-17 21:06:41 +0200 | [diff] [blame] | 193 | qemu_printf("%s%s devices:\n", i ? "\n" : "", cat_name[i]); |
Markus Armbruster | a3400ae | 2013-10-10 15:00:21 +0200 | [diff] [blame] | 194 | cat_printed = true; |
| 195 | } |
| 196 | qdev_print_devinfo(dc); |
| 197 | } |
| 198 | } |
| 199 | |
| 200 | g_slist_free(list); |
| 201 | } |
| 202 | |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 203 | static const char *find_typename_by_alias(const char *alias) |
| 204 | { |
| 205 | int i; |
| 206 | |
| 207 | for (i = 0; qdev_alias_table[i].alias; i++) { |
Alexander Graf | 5f629d9 | 2012-05-18 02:36:26 +0200 | [diff] [blame] | 208 | if (qdev_alias_table[i].arch_mask && |
| 209 | !(qdev_alias_table[i].arch_mask & arch_type)) { |
| 210 | continue; |
| 211 | } |
| 212 | |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 213 | if (strcmp(qdev_alias_table[i].alias, alias) == 0) { |
| 214 | return qdev_alias_table[i].typename; |
| 215 | } |
| 216 | } |
| 217 | |
| 218 | return NULL; |
| 219 | } |
| 220 | |
Eduardo Habkost | 43c95d7 | 2014-11-01 13:56:09 -0200 | [diff] [blame] | 221 | static DeviceClass *qdev_get_device_class(const char **driver, Error **errp) |
| 222 | { |
| 223 | ObjectClass *oc; |
| 224 | DeviceClass *dc; |
Sascha Silbe | f6b5319 | 2016-02-18 22:44:12 +0100 | [diff] [blame] | 225 | const char *original_name = *driver; |
Eduardo Habkost | 43c95d7 | 2014-11-01 13:56:09 -0200 | [diff] [blame] | 226 | |
Gerd Hoffmann | 7ab6e7f | 2020-06-24 15:10:38 +0200 | [diff] [blame] | 227 | oc = module_object_class_by_name(*driver); |
Eduardo Habkost | 43c95d7 | 2014-11-01 13:56:09 -0200 | [diff] [blame] | 228 | if (!oc) { |
| 229 | const char *typename = find_typename_by_alias(*driver); |
| 230 | |
| 231 | if (typename) { |
| 232 | *driver = typename; |
Gerd Hoffmann | 7ab6e7f | 2020-06-24 15:10:38 +0200 | [diff] [blame] | 233 | oc = module_object_class_by_name(*driver); |
Eduardo Habkost | 43c95d7 | 2014-11-01 13:56:09 -0200 | [diff] [blame] | 234 | } |
| 235 | } |
| 236 | |
| 237 | if (!object_class_dynamic_cast(oc, TYPE_DEVICE)) { |
Sascha Silbe | f6b5319 | 2016-02-18 22:44:12 +0100 | [diff] [blame] | 238 | if (*driver != original_name) { |
| 239 | error_setg(errp, "'%s' (alias '%s') is not a valid device model" |
| 240 | " name", original_name, *driver); |
| 241 | } else { |
| 242 | error_setg(errp, "'%s' is not a valid device model name", *driver); |
| 243 | } |
Eduardo Habkost | 43c95d7 | 2014-11-01 13:56:09 -0200 | [diff] [blame] | 244 | return NULL; |
| 245 | } |
| 246 | |
| 247 | if (object_class_is_abstract(oc)) { |
Markus Armbruster | c6bd8c7 | 2015-03-17 11:54:50 +0100 | [diff] [blame] | 248 | error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "driver", |
Markus Armbruster | 6cc0667 | 2020-11-13 09:26:26 +0100 | [diff] [blame] | 249 | "a non-abstract device type"); |
Eduardo Habkost | 43c95d7 | 2014-11-01 13:56:09 -0200 | [diff] [blame] | 250 | return NULL; |
| 251 | } |
| 252 | |
| 253 | dc = DEVICE_CLASS(oc); |
Eduardo Habkost | e90f2a8 | 2017-05-03 17:35:44 -0300 | [diff] [blame] | 254 | if (!dc->user_creatable || |
Paolo Bonzini | 2f181fb | 2020-11-12 09:38:36 -0500 | [diff] [blame] | 255 | (phase_check(PHASE_MACHINE_READY) && !dc->hotpluggable)) { |
Markus Armbruster | c6bd8c7 | 2015-03-17 11:54:50 +0100 | [diff] [blame] | 256 | error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "driver", |
Markus Armbruster | 6cc0667 | 2020-11-13 09:26:26 +0100 | [diff] [blame] | 257 | "a pluggable device type"); |
Eduardo Habkost | 43c95d7 | 2014-11-01 13:56:09 -0200 | [diff] [blame] | 258 | return NULL; |
| 259 | } |
| 260 | |
Damien Hedde | 312e1b1 | 2021-10-29 16:22:57 +0200 | [diff] [blame] | 261 | if (object_class_dynamic_cast(oc, TYPE_SYS_BUS_DEVICE)) { |
| 262 | /* sysbus devices need to be allowed by the machine */ |
| 263 | MachineClass *mc = MACHINE_CLASS(object_get_class(qdev_get_machine())); |
| 264 | if (!device_type_is_dynamic_sysbus(mc, *driver)) { |
| 265 | error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "driver", |
| 266 | "a dynamic sysbus device type for the machine"); |
| 267 | return NULL; |
| 268 | } |
| 269 | } |
| 270 | |
Eduardo Habkost | 43c95d7 | 2014-11-01 13:56:09 -0200 | [diff] [blame] | 271 | return dc; |
| 272 | } |
| 273 | |
| 274 | |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 275 | int qdev_device_help(QemuOpts *opts) |
| 276 | { |
Stefan Hajnoczi | ef52358 | 2014-07-09 14:01:32 +0200 | [diff] [blame] | 277 | Error *local_err = NULL; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 278 | const char *driver; |
Alexey Kardashevskiy | 35f6376 | 2018-03-02 00:09:38 +1100 | [diff] [blame] | 279 | ObjectPropertyInfoList *prop_list; |
| 280 | ObjectPropertyInfoList *prop; |
Marc-André Lureau | e1043d6 | 2020-01-10 19:30:39 +0400 | [diff] [blame] | 281 | GPtrArray *array; |
| 282 | int i; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 283 | |
| 284 | driver = qemu_opt_get(opts, "driver"); |
Peter Maydell | c8057f9 | 2012-08-02 13:45:54 +0100 | [diff] [blame] | 285 | if (driver && is_help_option(driver)) { |
Markus Armbruster | a3400ae | 2013-10-10 15:00:21 +0200 | [diff] [blame] | 286 | qdev_print_devinfos(false); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 287 | return 1; |
| 288 | } |
| 289 | |
Peter Maydell | c8057f9 | 2012-08-02 13:45:54 +0100 | [diff] [blame] | 290 | if (!driver || !qemu_opt_has_help_opt(opts)) { |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 291 | return 0; |
| 292 | } |
| 293 | |
Markus Armbruster | 33fe968 | 2015-10-01 10:59:59 +0200 | [diff] [blame] | 294 | if (!object_class_by_name(driver)) { |
| 295 | const char *typename = find_typename_by_alias(driver); |
| 296 | |
| 297 | if (typename) { |
| 298 | driver = typename; |
| 299 | } |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 300 | } |
| 301 | |
Stefan Hajnoczi | ef52358 | 2014-07-09 14:01:32 +0200 | [diff] [blame] | 302 | prop_list = qmp_device_list_properties(driver, &local_err); |
Gonglei | 0722eba | 2014-09-16 10:19:33 +0800 | [diff] [blame] | 303 | if (local_err) { |
Eduardo Habkost | 5185f0e | 2014-11-01 13:56:10 -0200 | [diff] [blame] | 304 | goto error; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 305 | } |
Stefan Hajnoczi | ef52358 | 2014-07-09 14:01:32 +0200 | [diff] [blame] | 306 | |
Max Reitz | 9c2762b | 2018-10-19 18:49:27 +0200 | [diff] [blame] | 307 | if (prop_list) { |
Markus Armbruster | 8acb2a7 | 2019-04-17 21:06:41 +0200 | [diff] [blame] | 308 | qemu_printf("%s options:\n", driver); |
Max Reitz | 9c2762b | 2018-10-19 18:49:27 +0200 | [diff] [blame] | 309 | } else { |
Markus Armbruster | 8acb2a7 | 2019-04-17 21:06:41 +0200 | [diff] [blame] | 310 | qemu_printf("There are no options for %s.\n", driver); |
Max Reitz | 9c2762b | 2018-10-19 18:49:27 +0200 | [diff] [blame] | 311 | } |
Marc-André Lureau | e1043d6 | 2020-01-10 19:30:39 +0400 | [diff] [blame] | 312 | array = g_ptr_array_new(); |
Stefan Hajnoczi | ef52358 | 2014-07-09 14:01:32 +0200 | [diff] [blame] | 313 | for (prop = prop_list; prop; prop = prop->next) { |
Marc-André Lureau | e1043d6 | 2020-01-10 19:30:39 +0400 | [diff] [blame] | 314 | g_ptr_array_add(array, |
| 315 | object_property_help(prop->value->name, |
| 316 | prop->value->type, |
| 317 | prop->value->default_value, |
| 318 | prop->value->description)); |
Stefan Hajnoczi | ef52358 | 2014-07-09 14:01:32 +0200 | [diff] [blame] | 319 | } |
Marc-André Lureau | e1043d6 | 2020-01-10 19:30:39 +0400 | [diff] [blame] | 320 | g_ptr_array_sort(array, (GCompareFunc)qemu_pstrcmp0); |
| 321 | for (i = 0; i < array->len; i++) { |
Markus Armbruster | 029afc4 | 2020-07-14 18:01:58 +0200 | [diff] [blame] | 322 | qemu_printf("%s\n", (char *)array->pdata[i]); |
Marc-André Lureau | e1043d6 | 2020-01-10 19:30:39 +0400 | [diff] [blame] | 323 | } |
| 324 | g_ptr_array_set_free_func(array, g_free); |
| 325 | g_ptr_array_free(array, true); |
Alexey Kardashevskiy | 35f6376 | 2018-03-02 00:09:38 +1100 | [diff] [blame] | 326 | qapi_free_ObjectPropertyInfoList(prop_list); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 327 | return 1; |
Eduardo Habkost | 5185f0e | 2014-11-01 13:56:10 -0200 | [diff] [blame] | 328 | |
| 329 | error: |
Markus Armbruster | 7828867 | 2015-12-18 16:35:07 +0100 | [diff] [blame] | 330 | error_report_err(local_err); |
Eduardo Habkost | 5185f0e | 2014-11-01 13:56:10 -0200 | [diff] [blame] | 331 | return 1; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 332 | } |
| 333 | |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 334 | static Object *qdev_get_peripheral(void) |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 335 | { |
Anthony Liguori | 8b45d44 | 2011-12-23 09:08:05 -0600 | [diff] [blame] | 336 | static Object *dev; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 337 | |
| 338 | if (dev == NULL) { |
Andreas Färber | dfe47e7 | 2012-04-05 13:21:46 +0200 | [diff] [blame] | 339 | dev = container_get(qdev_get_machine(), "/peripheral"); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 340 | } |
| 341 | |
Anthony Liguori | 8b45d44 | 2011-12-23 09:08:05 -0600 | [diff] [blame] | 342 | return dev; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 343 | } |
| 344 | |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 345 | static Object *qdev_get_peripheral_anon(void) |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 346 | { |
Anthony Liguori | 8b45d44 | 2011-12-23 09:08:05 -0600 | [diff] [blame] | 347 | static Object *dev; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 348 | |
| 349 | if (dev == NULL) { |
Andreas Färber | dfe47e7 | 2012-04-05 13:21:46 +0200 | [diff] [blame] | 350 | dev = container_get(qdev_get_machine(), "/peripheral-anon"); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 351 | } |
| 352 | |
Anthony Liguori | 8b45d44 | 2011-12-23 09:08:05 -0600 | [diff] [blame] | 353 | return dev; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 354 | } |
| 355 | |
Vladimir Sementsov-Ogievskiy | 3407732 | 2019-12-05 20:46:20 +0300 | [diff] [blame] | 356 | static void qbus_error_append_bus_list_hint(DeviceState *dev, |
| 357 | Error *const *errp) |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 358 | { |
| 359 | BusState *child; |
| 360 | const char *sep = " "; |
| 361 | |
Eric Blake | 50b7b00 | 2015-09-10 10:19:16 -0600 | [diff] [blame] | 362 | error_append_hint(errp, "child buses at \"%s\":", |
| 363 | dev->id ? dev->id : object_get_typename(OBJECT(dev))); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 364 | QLIST_FOREACH(child, &dev->child_bus, sibling) { |
Eric Blake | 50b7b00 | 2015-09-10 10:19:16 -0600 | [diff] [blame] | 365 | error_append_hint(errp, "%s\"%s\"", sep, child->name); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 366 | sep = ", "; |
| 367 | } |
Markus Armbruster | 543202c | 2015-12-17 17:35:14 +0100 | [diff] [blame] | 368 | error_append_hint(errp, "\n"); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 369 | } |
| 370 | |
Vladimir Sementsov-Ogievskiy | 3407732 | 2019-12-05 20:46:20 +0300 | [diff] [blame] | 371 | static void qbus_error_append_dev_list_hint(BusState *bus, |
| 372 | Error *const *errp) |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 373 | { |
Anthony Liguori | 0866aca | 2011-12-23 15:34:39 -0600 | [diff] [blame] | 374 | BusChild *kid; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 375 | const char *sep = " "; |
| 376 | |
Eric Blake | 50b7b00 | 2015-09-10 10:19:16 -0600 | [diff] [blame] | 377 | error_append_hint(errp, "devices at \"%s\":", bus->name); |
Anthony Liguori | 0866aca | 2011-12-23 15:34:39 -0600 | [diff] [blame] | 378 | QTAILQ_FOREACH(kid, &bus->children, sibling) { |
| 379 | DeviceState *dev = kid->child; |
Eric Blake | 50b7b00 | 2015-09-10 10:19:16 -0600 | [diff] [blame] | 380 | error_append_hint(errp, "%s\"%s\"", sep, |
| 381 | object_get_typename(OBJECT(dev))); |
| 382 | if (dev->id) { |
| 383 | error_append_hint(errp, "/\"%s\"", dev->id); |
| 384 | } |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 385 | sep = ", "; |
| 386 | } |
Markus Armbruster | 543202c | 2015-12-17 17:35:14 +0100 | [diff] [blame] | 387 | error_append_hint(errp, "\n"); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 388 | } |
| 389 | |
| 390 | static BusState *qbus_find_bus(DeviceState *dev, char *elem) |
| 391 | { |
| 392 | BusState *child; |
| 393 | |
| 394 | QLIST_FOREACH(child, &dev->child_bus, sibling) { |
| 395 | if (strcmp(child->name, elem) == 0) { |
| 396 | return child; |
| 397 | } |
| 398 | } |
| 399 | return NULL; |
| 400 | } |
| 401 | |
| 402 | static DeviceState *qbus_find_dev(BusState *bus, char *elem) |
| 403 | { |
Anthony Liguori | 0866aca | 2011-12-23 15:34:39 -0600 | [diff] [blame] | 404 | BusChild *kid; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 405 | |
| 406 | /* |
| 407 | * try to match in order: |
| 408 | * (1) instance id, if present |
| 409 | * (2) driver name |
| 410 | * (3) driver alias, if present |
| 411 | */ |
Anthony Liguori | 0866aca | 2011-12-23 15:34:39 -0600 | [diff] [blame] | 412 | QTAILQ_FOREACH(kid, &bus->children, sibling) { |
| 413 | DeviceState *dev = kid->child; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 414 | if (dev->id && strcmp(dev->id, elem) == 0) { |
| 415 | return dev; |
| 416 | } |
| 417 | } |
Anthony Liguori | 0866aca | 2011-12-23 15:34:39 -0600 | [diff] [blame] | 418 | QTAILQ_FOREACH(kid, &bus->children, sibling) { |
| 419 | DeviceState *dev = kid->child; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 420 | if (strcmp(object_get_typename(OBJECT(dev)), elem) == 0) { |
| 421 | return dev; |
| 422 | } |
| 423 | } |
Anthony Liguori | 0866aca | 2011-12-23 15:34:39 -0600 | [diff] [blame] | 424 | QTAILQ_FOREACH(kid, &bus->children, sibling) { |
| 425 | DeviceState *dev = kid->child; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 426 | DeviceClass *dc = DEVICE_GET_CLASS(dev); |
| 427 | |
| 428 | if (qdev_class_has_alias(dc) && |
| 429 | strcmp(qdev_class_get_alias(dc), elem) == 0) { |
| 430 | return dev; |
| 431 | } |
| 432 | } |
| 433 | return NULL; |
| 434 | } |
| 435 | |
Markus Armbruster | a5ec494 | 2015-03-11 17:26:31 +0100 | [diff] [blame] | 436 | static inline bool qbus_is_full(BusState *bus) |
| 437 | { |
Peter Maydell | 1518562 | 2021-09-13 16:07:25 +0100 | [diff] [blame] | 438 | BusClass *bus_class; |
| 439 | |
| 440 | if (bus->full) { |
| 441 | return true; |
| 442 | } |
| 443 | bus_class = BUS_GET_CLASS(bus); |
Tony Krowiak | 12b2e9f | 2018-12-17 10:57:30 -0500 | [diff] [blame] | 444 | return bus_class->max_dev && bus->num_children >= bus_class->max_dev; |
Markus Armbruster | a5ec494 | 2015-03-11 17:26:31 +0100 | [diff] [blame] | 445 | } |
| 446 | |
| 447 | /* |
| 448 | * Search the tree rooted at @bus for a bus. |
| 449 | * If @name, search for a bus with that name. Note that bus names |
| 450 | * need not be unique. Yes, that's screwed up. |
| 451 | * Else search for a bus that is a subtype of @bus_typename. |
| 452 | * If more than one exists, prefer one that can take another device. |
| 453 | * Return the bus if found, else %NULL. |
| 454 | */ |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 455 | static BusState *qbus_find_recursive(BusState *bus, const char *name, |
Anthony Liguori | 0d93692 | 2012-05-02 09:00:20 +0200 | [diff] [blame] | 456 | const char *bus_typename) |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 457 | { |
Anthony Liguori | 0866aca | 2011-12-23 15:34:39 -0600 | [diff] [blame] | 458 | BusChild *kid; |
Markus Armbruster | a5ec494 | 2015-03-11 17:26:31 +0100 | [diff] [blame] | 459 | BusState *pick, *child, *ret; |
| 460 | bool match; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 461 | |
Markus Armbruster | a5ec494 | 2015-03-11 17:26:31 +0100 | [diff] [blame] | 462 | assert(name || bus_typename); |
| 463 | if (name) { |
| 464 | match = !strcmp(bus->name, name); |
| 465 | } else { |
| 466 | match = !!object_dynamic_cast(OBJECT(bus), bus_typename); |
KONRAD Frederic | 1395af6 | 2013-01-15 00:08:00 +0100 | [diff] [blame] | 467 | } |
Markus Armbruster | a5ec494 | 2015-03-11 17:26:31 +0100 | [diff] [blame] | 468 | |
| 469 | if (match && !qbus_is_full(bus)) { |
| 470 | return bus; /* root matches and isn't full */ |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 471 | } |
| 472 | |
Markus Armbruster | a5ec494 | 2015-03-11 17:26:31 +0100 | [diff] [blame] | 473 | pick = match ? bus : NULL; |
| 474 | |
Anthony Liguori | 0866aca | 2011-12-23 15:34:39 -0600 | [diff] [blame] | 475 | QTAILQ_FOREACH(kid, &bus->children, sibling) { |
| 476 | DeviceState *dev = kid->child; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 477 | QLIST_FOREACH(child, &dev->child_bus, sibling) { |
Anthony Liguori | 0d93692 | 2012-05-02 09:00:20 +0200 | [diff] [blame] | 478 | ret = qbus_find_recursive(child, name, bus_typename); |
Markus Armbruster | a5ec494 | 2015-03-11 17:26:31 +0100 | [diff] [blame] | 479 | if (ret && !qbus_is_full(ret)) { |
| 480 | return ret; /* a descendant matches and isn't full */ |
| 481 | } |
| 482 | if (ret && !pick) { |
| 483 | pick = ret; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 484 | } |
| 485 | } |
| 486 | } |
Markus Armbruster | a5ec494 | 2015-03-11 17:26:31 +0100 | [diff] [blame] | 487 | |
| 488 | /* root or a descendant matches, but is full */ |
| 489 | return pick; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 490 | } |
| 491 | |
Markus Armbruster | d282842 | 2015-03-11 19:16:04 +0100 | [diff] [blame] | 492 | static BusState *qbus_find(const char *path, Error **errp) |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 493 | { |
| 494 | DeviceState *dev; |
| 495 | BusState *bus; |
| 496 | char elem[128]; |
| 497 | int pos, len; |
| 498 | |
| 499 | /* find start element */ |
| 500 | if (path[0] == '/') { |
| 501 | bus = sysbus_get_default(); |
| 502 | pos = 0; |
| 503 | } else { |
| 504 | if (sscanf(path, "%127[^/]%n", elem, &len) != 1) { |
| 505 | assert(!path[0]); |
| 506 | elem[0] = len = 0; |
| 507 | } |
| 508 | bus = qbus_find_recursive(sysbus_get_default(), elem, NULL); |
| 509 | if (!bus) { |
Markus Armbruster | d282842 | 2015-03-11 19:16:04 +0100 | [diff] [blame] | 510 | error_setg(errp, "Bus '%s' not found", elem); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 511 | return NULL; |
| 512 | } |
| 513 | pos = len; |
| 514 | } |
| 515 | |
| 516 | for (;;) { |
| 517 | assert(path[pos] == '/' || !path[pos]); |
| 518 | while (path[pos] == '/') { |
| 519 | pos++; |
| 520 | } |
| 521 | if (path[pos] == '\0') { |
Markus Armbruster | ed238ba | 2015-03-11 18:39:16 +0100 | [diff] [blame] | 522 | break; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 523 | } |
| 524 | |
| 525 | /* find device */ |
| 526 | if (sscanf(path+pos, "%127[^/]%n", elem, &len) != 1) { |
Stefan Weil | dfc6f86 | 2013-07-25 18:21:28 +0200 | [diff] [blame] | 527 | g_assert_not_reached(); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 528 | elem[0] = len = 0; |
| 529 | } |
| 530 | pos += len; |
| 531 | dev = qbus_find_dev(bus, elem); |
| 532 | if (!dev) { |
Markus Armbruster | 75158eb | 2015-03-16 08:57:47 +0100 | [diff] [blame] | 533 | error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND, |
| 534 | "Device '%s' not found", elem); |
Vladimir Sementsov-Ogievskiy | 3407732 | 2019-12-05 20:46:20 +0300 | [diff] [blame] | 535 | qbus_error_append_dev_list_hint(bus, errp); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 536 | return NULL; |
| 537 | } |
| 538 | |
| 539 | assert(path[pos] == '/' || !path[pos]); |
| 540 | while (path[pos] == '/') { |
| 541 | pos++; |
| 542 | } |
| 543 | if (path[pos] == '\0') { |
| 544 | /* last specified element is a device. If it has exactly |
| 545 | * one child bus accept it nevertheless */ |
Markus Armbruster | ed238ba | 2015-03-11 18:39:16 +0100 | [diff] [blame] | 546 | if (dev->num_child_bus == 1) { |
| 547 | bus = QLIST_FIRST(&dev->child_bus); |
| 548 | break; |
| 549 | } |
| 550 | if (dev->num_child_bus) { |
Markus Armbruster | d282842 | 2015-03-11 19:16:04 +0100 | [diff] [blame] | 551 | error_setg(errp, "Device '%s' has multiple child buses", |
| 552 | elem); |
Vladimir Sementsov-Ogievskiy | 3407732 | 2019-12-05 20:46:20 +0300 | [diff] [blame] | 553 | qbus_error_append_bus_list_hint(dev, errp); |
Markus Armbruster | ed238ba | 2015-03-11 18:39:16 +0100 | [diff] [blame] | 554 | } else { |
Markus Armbruster | d282842 | 2015-03-11 19:16:04 +0100 | [diff] [blame] | 555 | error_setg(errp, "Device '%s' has no child bus", elem); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 556 | } |
Markus Armbruster | ed238ba | 2015-03-11 18:39:16 +0100 | [diff] [blame] | 557 | return NULL; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 558 | } |
| 559 | |
| 560 | /* find bus */ |
| 561 | if (sscanf(path+pos, "%127[^/]%n", elem, &len) != 1) { |
Stefan Weil | dfc6f86 | 2013-07-25 18:21:28 +0200 | [diff] [blame] | 562 | g_assert_not_reached(); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 563 | elem[0] = len = 0; |
| 564 | } |
| 565 | pos += len; |
| 566 | bus = qbus_find_bus(dev, elem); |
| 567 | if (!bus) { |
Markus Armbruster | d282842 | 2015-03-11 19:16:04 +0100 | [diff] [blame] | 568 | error_setg(errp, "Bus '%s' not found", elem); |
Vladimir Sementsov-Ogievskiy | 3407732 | 2019-12-05 20:46:20 +0300 | [diff] [blame] | 569 | qbus_error_append_bus_list_hint(dev, errp); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 570 | return NULL; |
| 571 | } |
| 572 | } |
Markus Armbruster | ed238ba | 2015-03-11 18:39:16 +0100 | [diff] [blame] | 573 | |
| 574 | if (qbus_is_full(bus)) { |
Markus Armbruster | d282842 | 2015-03-11 19:16:04 +0100 | [diff] [blame] | 575 | error_setg(errp, "Bus '%s' is full", path); |
Markus Armbruster | ed238ba | 2015-03-11 18:39:16 +0100 | [diff] [blame] | 576 | return NULL; |
| 577 | } |
| 578 | return bus; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 579 | } |
| 580 | |
Kevin Wolf | 163f384 | 2021-10-08 15:34:35 +0200 | [diff] [blame] | 581 | /* Takes ownership of @id, will be freed when deleting the device */ |
Damien Hedde | 4a1d937 | 2021-10-08 15:34:36 +0200 | [diff] [blame] | 582 | const char *qdev_set_id(DeviceState *dev, char *id, Error **errp) |
Juergen Gross | ce49b73 | 2016-11-22 07:10:57 +0100 | [diff] [blame] | 583 | { |
Damien Hedde | 4a1d937 | 2021-10-08 15:34:36 +0200 | [diff] [blame] | 584 | ObjectProperty *prop; |
Juergen Gross | ce49b73 | 2016-11-22 07:10:57 +0100 | [diff] [blame] | 585 | |
Damien Hedde | 4a1d937 | 2021-10-08 15:34:36 +0200 | [diff] [blame] | 586 | assert(!dev->id && !dev->realized); |
| 587 | |
| 588 | /* |
| 589 | * object_property_[try_]add_child() below will assert the device |
| 590 | * has no parent |
| 591 | */ |
| 592 | if (id) { |
| 593 | prop = object_property_try_add_child(qdev_get_peripheral(), id, |
| 594 | OBJECT(dev), NULL); |
| 595 | if (prop) { |
| 596 | dev->id = id; |
| 597 | } else { |
Damien Hedde | 4a1d937 | 2021-10-08 15:34:36 +0200 | [diff] [blame] | 598 | error_setg(errp, "Duplicate device ID '%s'", id); |
Stefan Hajnoczi | b66cecb | 2021-11-02 16:33:42 +0000 | [diff] [blame] | 599 | g_free(id); |
Damien Hedde | 4a1d937 | 2021-10-08 15:34:36 +0200 | [diff] [blame] | 600 | return NULL; |
| 601 | } |
Juergen Gross | ce49b73 | 2016-11-22 07:10:57 +0100 | [diff] [blame] | 602 | } else { |
| 603 | static int anon_count; |
| 604 | gchar *name = g_strdup_printf("device[%d]", anon_count++); |
Damien Hedde | 4a1d937 | 2021-10-08 15:34:36 +0200 | [diff] [blame] | 605 | prop = object_property_add_child(qdev_get_peripheral_anon(), name, |
| 606 | OBJECT(dev)); |
Juergen Gross | ce49b73 | 2016-11-22 07:10:57 +0100 | [diff] [blame] | 607 | g_free(name); |
| 608 | } |
Damien Hedde | 4a1d937 | 2021-10-08 15:34:36 +0200 | [diff] [blame] | 609 | |
| 610 | return prop->name; |
Juergen Gross | ce49b73 | 2016-11-22 07:10:57 +0100 | [diff] [blame] | 611 | } |
| 612 | |
Kevin Wolf | f3558b1 | 2021-10-08 15:34:41 +0200 | [diff] [blame] | 613 | DeviceState *qdev_device_add_from_qdict(const QDict *opts, |
| 614 | bool from_json, Error **errp) |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 615 | { |
Kevin Wolf | 7d61808 | 2021-10-08 15:34:38 +0200 | [diff] [blame] | 616 | ERRP_GUARD(); |
Andreas Färber | f4d8579 | 2013-08-24 01:21:22 +0200 | [diff] [blame] | 617 | DeviceClass *dc; |
Juergen Gross | ce49b73 | 2016-11-22 07:10:57 +0100 | [diff] [blame] | 618 | const char *driver, *path; |
Kevin Wolf | f3558b1 | 2021-10-08 15:34:41 +0200 | [diff] [blame] | 619 | char *id; |
Jens Freimann | f3a8505 | 2019-10-29 12:48:55 +0100 | [diff] [blame] | 620 | DeviceState *dev = NULL; |
Andreas Färber | 2f7bd82 | 2013-04-16 03:50:21 +0200 | [diff] [blame] | 621 | BusState *bus = NULL; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 622 | |
Kevin Wolf | f3558b1 | 2021-10-08 15:34:41 +0200 | [diff] [blame] | 623 | driver = qdict_get_try_str(opts, "driver"); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 624 | if (!driver) { |
Markus Armbruster | c6bd8c7 | 2015-03-17 11:54:50 +0100 | [diff] [blame] | 625 | error_setg(errp, QERR_MISSING_PARAMETER, "driver"); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 626 | return NULL; |
| 627 | } |
| 628 | |
| 629 | /* find driver */ |
Markus Armbruster | f006cf7 | 2015-03-12 14:00:41 +0100 | [diff] [blame] | 630 | dc = qdev_get_device_class(&driver, errp); |
| 631 | if (!dc) { |
Markus Armbruster | 7ea5e78 | 2013-11-28 17:27:03 +0100 | [diff] [blame] | 632 | return NULL; |
| 633 | } |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 634 | |
| 635 | /* find bus */ |
Kevin Wolf | f3558b1 | 2021-10-08 15:34:41 +0200 | [diff] [blame] | 636 | path = qdict_get_try_str(opts, "bus"); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 637 | if (path != NULL) { |
Markus Armbruster | f006cf7 | 2015-03-12 14:00:41 +0100 | [diff] [blame] | 638 | bus = qbus_find(path, errp); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 639 | if (!bus) { |
| 640 | return NULL; |
| 641 | } |
Andreas Färber | f4d8579 | 2013-08-24 01:21:22 +0200 | [diff] [blame] | 642 | if (!object_dynamic_cast(OBJECT(bus), dc->bus_type)) { |
Markus Armbruster | f006cf7 | 2015-03-12 14:00:41 +0100 | [diff] [blame] | 643 | error_setg(errp, "Device '%s' can't go on %s bus", |
| 644 | driver, object_get_typename(OBJECT(bus))); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 645 | return NULL; |
| 646 | } |
Andreas Färber | f4d8579 | 2013-08-24 01:21:22 +0200 | [diff] [blame] | 647 | } else if (dc->bus_type != NULL) { |
| 648 | bus = qbus_find_recursive(sysbus_get_default(), NULL, dc->bus_type); |
Markus Armbruster | a5ec494 | 2015-03-11 17:26:31 +0100 | [diff] [blame] | 649 | if (!bus || qbus_is_full(bus)) { |
Markus Armbruster | f006cf7 | 2015-03-12 14:00:41 +0100 | [diff] [blame] | 650 | error_setg(errp, "No '%s' bus found for device '%s'", |
| 651 | dc->bus_type, driver); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 652 | return NULL; |
| 653 | } |
| 654 | } |
Jens Freimann | f3a8505 | 2019-10-29 12:48:55 +0100 | [diff] [blame] | 655 | |
Laurent Vivier | bcfc906 | 2021-10-19 09:15:32 +0200 | [diff] [blame] | 656 | if (qdev_should_hide_device(opts, from_json, errp)) { |
| 657 | if (bus && !qbus_is_hotpluggable(bus)) { |
| 658 | error_setg(errp, QERR_BUS_NO_HOTPLUG, bus->name); |
Juan Quintela | fec037c | 2020-11-18 09:37:42 +0100 | [diff] [blame] | 659 | } |
Laurent Vivier | bcfc906 | 2021-10-19 09:15:32 +0200 | [diff] [blame] | 660 | return NULL; |
| 661 | } else if (*errp) { |
| 662 | return NULL; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 663 | } |
| 664 | |
Paolo Bonzini | 2f181fb | 2020-11-12 09:38:36 -0500 | [diff] [blame] | 665 | if (phase_check(PHASE_MACHINE_READY) && bus && !qbus_is_hotpluggable(bus)) { |
Juan Quintela | 5f2ef3b | 2020-11-18 09:37:40 +0100 | [diff] [blame] | 666 | error_setg(errp, QERR_BUS_NO_HOTPLUG, bus->name); |
Jens Freimann | f3a8505 | 2019-10-29 12:48:55 +0100 | [diff] [blame] | 667 | return NULL; |
| 668 | } |
| 669 | |
Juan Quintela | b06424d | 2017-03-22 17:34:27 +0100 | [diff] [blame] | 670 | if (!migration_is_idle()) { |
| 671 | error_setg(errp, "device_add not allowed while migrating"); |
| 672 | return NULL; |
| 673 | } |
| 674 | |
Amos Kong | 7b03094 | 2014-03-03 15:57:55 +0800 | [diff] [blame] | 675 | /* create device */ |
Markus Armbruster | 4e3a677 | 2020-06-10 07:31:54 +0200 | [diff] [blame] | 676 | dev = qdev_new(driver); |
Andreas Färber | 2f7bd82 | 2013-04-16 03:50:21 +0200 | [diff] [blame] | 677 | |
Peter Xu | d2321d3 | 2019-09-16 16:07:16 +0800 | [diff] [blame] | 678 | /* Check whether the hotplug is allowed by the machine */ |
Paolo Bonzini | 2f181fb | 2020-11-12 09:38:36 -0500 | [diff] [blame] | 679 | if (phase_check(PHASE_MACHINE_READY)) { |
| 680 | if (!qdev_hotplug_allowed(dev, errp)) { |
| 681 | goto err_del_dev; |
| 682 | } |
Peter Xu | d2321d3 | 2019-09-16 16:07:16 +0800 | [diff] [blame] | 683 | |
Paolo Bonzini | 2f181fb | 2020-11-12 09:38:36 -0500 | [diff] [blame] | 684 | if (!bus && !qdev_get_machine_hotplug_handler(dev)) { |
| 685 | /* No bus, no machine hotplug handler --> device is not hotpluggable */ |
| 686 | error_setg(errp, "Device '%s' can not be hotplugged on this machine", |
| 687 | driver); |
| 688 | goto err_del_dev; |
| 689 | } |
Andreas Färber | 2f7bd82 | 2013-04-16 03:50:21 +0200 | [diff] [blame] | 690 | } |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 691 | |
Damien Hedde | 4a1d937 | 2021-10-08 15:34:36 +0200 | [diff] [blame] | 692 | /* |
| 693 | * set dev's parent and register its id. |
| 694 | * If it fails it means the id is already taken. |
| 695 | */ |
Kevin Wolf | f3558b1 | 2021-10-08 15:34:41 +0200 | [diff] [blame] | 696 | id = g_strdup(qdict_get_try_str(opts, "id")); |
| 697 | if (!qdev_set_id(dev, id, errp)) { |
Damien Hedde | 4a1d937 | 2021-10-08 15:34:36 +0200 | [diff] [blame] | 698 | goto err_del_dev; |
| 699 | } |
Bandan Das | 52aa17c | 2014-02-26 10:32:40 -0700 | [diff] [blame] | 700 | |
Amos Kong | 7b03094 | 2014-03-03 15:57:55 +0800 | [diff] [blame] | 701 | /* set properties */ |
Kevin Wolf | f3558b1 | 2021-10-08 15:34:41 +0200 | [diff] [blame] | 702 | dev->opts = qdict_clone_shallow(opts); |
| 703 | qdict_del(dev->opts, "driver"); |
| 704 | qdict_del(dev->opts, "bus"); |
| 705 | qdict_del(dev->opts, "id"); |
| 706 | |
| 707 | object_set_properties_from_keyval(&dev->parent_obj, dev->opts, from_json, |
| 708 | errp); |
| 709 | if (*errp) { |
Thomas Huth | 5834621 | 2017-11-02 11:10:05 +0100 | [diff] [blame] | 710 | goto err_del_dev; |
Amos Kong | 7b03094 | 2014-03-03 15:57:55 +0800 | [diff] [blame] | 711 | } |
| 712 | |
Markus Armbruster | 992861f | 2020-07-07 18:06:04 +0200 | [diff] [blame] | 713 | if (!qdev_realize(DEVICE(dev), bus, errp)) { |
Thomas Huth | 5834621 | 2017-11-02 11:10:05 +0100 | [diff] [blame] | 714 | goto err_del_dev; |
Paolo Bonzini | f424d5c | 2012-03-27 18:38:46 +0200 | [diff] [blame] | 715 | } |
Andreas Färber | 2bcb0c6 | 2013-10-07 16:17:54 +0200 | [diff] [blame] | 716 | return dev; |
Thomas Huth | 5834621 | 2017-11-02 11:10:05 +0100 | [diff] [blame] | 717 | |
| 718 | err_del_dev: |
Jens Freimann | f3a8505 | 2019-10-29 12:48:55 +0100 | [diff] [blame] | 719 | if (dev) { |
| 720 | object_unparent(OBJECT(dev)); |
| 721 | object_unref(OBJECT(dev)); |
| 722 | } |
Thomas Huth | 5834621 | 2017-11-02 11:10:05 +0100 | [diff] [blame] | 723 | return NULL; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 724 | } |
| 725 | |
Kevin Wolf | f3558b1 | 2021-10-08 15:34:41 +0200 | [diff] [blame] | 726 | /* Takes ownership of @opts on success */ |
| 727 | DeviceState *qdev_device_add(QemuOpts *opts, Error **errp) |
| 728 | { |
| 729 | QDict *qdict = qemu_opts_to_qdict(opts, NULL); |
| 730 | DeviceState *ret; |
| 731 | |
| 732 | ret = qdev_device_add_from_qdict(qdict, false, errp); |
| 733 | if (ret) { |
| 734 | qemu_opts_del(opts); |
| 735 | } |
| 736 | qobject_unref(qdict); |
| 737 | return ret; |
| 738 | } |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 739 | |
| 740 | #define qdev_printf(fmt, ...) monitor_printf(mon, "%*s" fmt, indent, "", ## __VA_ARGS__) |
| 741 | static void qbus_print(Monitor *mon, BusState *bus, int indent); |
| 742 | |
| 743 | static void qdev_print_props(Monitor *mon, DeviceState *dev, Property *props, |
Paolo Bonzini | bce5447 | 2012-03-28 18:12:47 +0200 | [diff] [blame] | 744 | int indent) |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 745 | { |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 746 | if (!props) |
| 747 | return; |
Paolo Bonzini | d822979 | 2012-02-02 09:47:13 +0100 | [diff] [blame] | 748 | for (; props->name; props++) { |
Paolo Bonzini | d822979 | 2012-02-02 09:47:13 +0100 | [diff] [blame] | 749 | char *value; |
| 750 | char *legacy_name = g_strdup_printf("legacy-%s", props->name); |
Markus Armbruster | a43770d | 2020-07-07 18:06:13 +0200 | [diff] [blame] | 751 | |
Paolo Bonzini | d822979 | 2012-02-02 09:47:13 +0100 | [diff] [blame] | 752 | if (object_property_get_type(OBJECT(dev), legacy_name, NULL)) { |
Markus Armbruster | a43770d | 2020-07-07 18:06:13 +0200 | [diff] [blame] | 753 | value = object_property_get_str(OBJECT(dev), legacy_name, NULL); |
Paolo Bonzini | d822979 | 2012-02-02 09:47:13 +0100 | [diff] [blame] | 754 | } else { |
Markus Armbruster | a43770d | 2020-07-07 18:06:13 +0200 | [diff] [blame] | 755 | value = object_property_print(OBJECT(dev), props->name, true, |
| 756 | NULL); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 757 | } |
Paolo Bonzini | d822979 | 2012-02-02 09:47:13 +0100 | [diff] [blame] | 758 | g_free(legacy_name); |
| 759 | |
Markus Armbruster | a43770d | 2020-07-07 18:06:13 +0200 | [diff] [blame] | 760 | if (!value) { |
Paolo Bonzini | d822979 | 2012-02-02 09:47:13 +0100 | [diff] [blame] | 761 | continue; |
| 762 | } |
Paolo Bonzini | bce5447 | 2012-03-28 18:12:47 +0200 | [diff] [blame] | 763 | qdev_printf("%s = %s\n", props->name, |
Markus Armbruster | a43770d | 2020-07-07 18:06:13 +0200 | [diff] [blame] | 764 | *value ? value : "<null>"); |
Paolo Bonzini | d822979 | 2012-02-02 09:47:13 +0100 | [diff] [blame] | 765 | g_free(value); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 766 | } |
| 767 | } |
| 768 | |
Anthony Liguori | 0d93692 | 2012-05-02 09:00:20 +0200 | [diff] [blame] | 769 | static void bus_print_dev(BusState *bus, Monitor *mon, DeviceState *dev, int indent) |
| 770 | { |
| 771 | BusClass *bc = BUS_GET_CLASS(bus); |
| 772 | |
| 773 | if (bc->print_dev) { |
| 774 | bc->print_dev(mon, dev, indent); |
| 775 | } |
| 776 | } |
| 777 | |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 778 | static void qdev_print(Monitor *mon, DeviceState *dev, int indent) |
| 779 | { |
Paolo Bonzini | bce5447 | 2012-03-28 18:12:47 +0200 | [diff] [blame] | 780 | ObjectClass *class; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 781 | BusState *child; |
Peter Crosthwaite | a5f5429 | 2014-05-19 23:30:58 -0700 | [diff] [blame] | 782 | NamedGPIOList *ngl; |
Damien Hedde | 9f2ff99 | 2020-04-06 15:52:51 +0200 | [diff] [blame] | 783 | NamedClockList *ncl; |
Peter Crosthwaite | a5f5429 | 2014-05-19 23:30:58 -0700 | [diff] [blame] | 784 | |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 785 | qdev_printf("dev: %s, id \"%s\"\n", object_get_typename(OBJECT(dev)), |
| 786 | dev->id ? dev->id : ""); |
| 787 | indent += 2; |
Peter Crosthwaite | a5f5429 | 2014-05-19 23:30:58 -0700 | [diff] [blame] | 788 | QLIST_FOREACH(ngl, &dev->gpios, node) { |
| 789 | if (ngl->num_in) { |
| 790 | qdev_printf("gpio-in \"%s\" %d\n", ngl->name ? ngl->name : "", |
| 791 | ngl->num_in); |
| 792 | } |
| 793 | if (ngl->num_out) { |
| 794 | qdev_printf("gpio-out \"%s\" %d\n", ngl->name ? ngl->name : "", |
| 795 | ngl->num_out); |
| 796 | } |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 797 | } |
Damien Hedde | 9f2ff99 | 2020-04-06 15:52:51 +0200 | [diff] [blame] | 798 | QLIST_FOREACH(ncl, &dev->clocks, node) { |
Peter Maydell | b7cd9c1 | 2020-12-15 15:09:29 +0000 | [diff] [blame] | 799 | g_autofree char *freq_str = clock_display_freq(ncl->clock); |
| 800 | qdev_printf("clock-%s%s \"%s\" freq_hz=%s\n", |
Damien Hedde | 9f2ff99 | 2020-04-06 15:52:51 +0200 | [diff] [blame] | 801 | ncl->output ? "out" : "in", |
| 802 | ncl->alias ? " (alias)" : "", |
Peter Maydell | b7cd9c1 | 2020-12-15 15:09:29 +0000 | [diff] [blame] | 803 | ncl->name, freq_str); |
Damien Hedde | 9f2ff99 | 2020-04-06 15:52:51 +0200 | [diff] [blame] | 804 | } |
Paolo Bonzini | bce5447 | 2012-03-28 18:12:47 +0200 | [diff] [blame] | 805 | class = object_get_class(OBJECT(dev)); |
| 806 | do { |
Paolo Bonzini | 385d8f2 | 2020-01-23 12:11:38 +0100 | [diff] [blame] | 807 | qdev_print_props(mon, dev, DEVICE_CLASS(class)->props_, indent); |
Paolo Bonzini | bce5447 | 2012-03-28 18:12:47 +0200 | [diff] [blame] | 808 | class = object_class_get_parent(class); |
| 809 | } while (class != object_class_by_name(TYPE_DEVICE)); |
Gerd Hoffmann | da9fbe7 | 2012-07-11 12:21:23 +0200 | [diff] [blame] | 810 | bus_print_dev(dev->parent_bus, mon, dev, indent); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 811 | QLIST_FOREACH(child, &dev->child_bus, sibling) { |
| 812 | qbus_print(mon, child, indent); |
| 813 | } |
| 814 | } |
| 815 | |
| 816 | static void qbus_print(Monitor *mon, BusState *bus, int indent) |
| 817 | { |
Anthony Liguori | 0866aca | 2011-12-23 15:34:39 -0600 | [diff] [blame] | 818 | BusChild *kid; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 819 | |
| 820 | qdev_printf("bus: %s\n", bus->name); |
| 821 | indent += 2; |
Anthony Liguori | 0d93692 | 2012-05-02 09:00:20 +0200 | [diff] [blame] | 822 | qdev_printf("type %s\n", object_get_typename(OBJECT(bus))); |
Anthony Liguori | 0866aca | 2011-12-23 15:34:39 -0600 | [diff] [blame] | 823 | QTAILQ_FOREACH(kid, &bus->children, sibling) { |
| 824 | DeviceState *dev = kid->child; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 825 | qdev_print(mon, dev, indent); |
| 826 | } |
| 827 | } |
| 828 | #undef qdev_printf |
| 829 | |
Markus Armbruster | 1ce6be2 | 2015-02-06 14:18:24 +0100 | [diff] [blame] | 830 | void hmp_info_qtree(Monitor *mon, const QDict *qdict) |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 831 | { |
| 832 | if (sysbus_get_default()) |
| 833 | qbus_print(mon, sysbus_get_default(), 0); |
| 834 | } |
| 835 | |
Markus Armbruster | 1ce6be2 | 2015-02-06 14:18:24 +0100 | [diff] [blame] | 836 | void hmp_info_qdm(Monitor *mon, const QDict *qdict) |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 837 | { |
Markus Armbruster | a3400ae | 2013-10-10 15:00:21 +0200 | [diff] [blame] | 838 | qdev_print_devinfos(true); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 839 | } |
| 840 | |
Markus Armbruster | 485febc | 2015-03-13 17:25:50 +0100 | [diff] [blame] | 841 | void qmp_device_add(QDict *qdict, QObject **ret_data, Error **errp) |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 842 | { |
| 843 | QemuOpts *opts; |
Paolo Bonzini | b09995a | 2013-01-25 14:12:37 +0100 | [diff] [blame] | 844 | DeviceState *dev; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 845 | |
Markus Armbruster | c6ecec4 | 2020-07-07 18:05:35 +0200 | [diff] [blame] | 846 | opts = qemu_opts_from_qdict(qemu_find_opts("device"), qdict, errp); |
| 847 | if (!opts) { |
Markus Armbruster | 485febc | 2015-03-13 17:25:50 +0100 | [diff] [blame] | 848 | return; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 849 | } |
| 850 | if (!monitor_cur_is_qmp() && qdev_device_help(opts)) { |
| 851 | qemu_opts_del(opts); |
Markus Armbruster | 485febc | 2015-03-13 17:25:50 +0100 | [diff] [blame] | 852 | return; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 853 | } |
Markus Armbruster | 668f62e | 2020-07-07 18:06:02 +0200 | [diff] [blame] | 854 | dev = qdev_device_add(opts, errp); |
Maxim Levitsky | 7bed899 | 2020-10-06 14:38:58 +0200 | [diff] [blame] | 855 | |
| 856 | /* |
| 857 | * Drain all pending RCU callbacks. This is done because |
| 858 | * some bus related operations can delay a device removal |
| 859 | * (in this case this can happen if device is added and then |
| 860 | * removed due to a configuration error) |
| 861 | * to a RCU callback, but user might expect that this interface |
| 862 | * will finish its job completely once qmp command returns result |
| 863 | * to the user |
| 864 | */ |
| 865 | drain_call_rcu(); |
| 866 | |
Paolo Bonzini | b09995a | 2013-01-25 14:12:37 +0100 | [diff] [blame] | 867 | if (!dev) { |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 868 | qemu_opts_del(opts); |
Markus Armbruster | 485febc | 2015-03-13 17:25:50 +0100 | [diff] [blame] | 869 | return; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 870 | } |
Paolo Bonzini | b09995a | 2013-01-25 14:12:37 +0100 | [diff] [blame] | 871 | object_unref(OBJECT(dev)); |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 872 | } |
| 873 | |
Kevin Wolf | 6c1db52 | 2016-09-20 13:38:41 +0200 | [diff] [blame] | 874 | static DeviceState *find_device_state(const char *id, Error **errp) |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 875 | { |
Markus Armbruster | 1bf4d32 | 2021-10-19 10:57:11 +0200 | [diff] [blame] | 876 | Object *obj = object_resolve_path_at(qdev_get_peripheral(), id); |
Markus Armbruster | 6952026 | 2021-09-16 13:17:07 +0200 | [diff] [blame] | 877 | DeviceState *dev; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 878 | |
Igor Mammedov | b6cc36a | 2014-10-02 10:08:45 +0000 | [diff] [blame] | 879 | if (!obj) { |
Markus Armbruster | 75158eb | 2015-03-16 08:57:47 +0100 | [diff] [blame] | 880 | error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND, |
| 881 | "Device '%s' not found", id); |
Kevin Wolf | 6c1db52 | 2016-09-20 13:38:41 +0200 | [diff] [blame] | 882 | return NULL; |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 883 | } |
Luiz Capitulino | 56f9107 | 2012-03-14 17:37:38 -0300 | [diff] [blame] | 884 | |
Markus Armbruster | 6952026 | 2021-09-16 13:17:07 +0200 | [diff] [blame] | 885 | dev = (DeviceState *)object_dynamic_cast(obj, TYPE_DEVICE); |
| 886 | if (!dev) { |
Daniel P. Berrange | 6287d82 | 2015-09-11 13:33:56 +0100 | [diff] [blame] | 887 | error_setg(errp, "%s is not a hotpluggable device", id); |
Kevin Wolf | 6c1db52 | 2016-09-20 13:38:41 +0200 | [diff] [blame] | 888 | return NULL; |
Daniel P. Berrange | 6287d82 | 2015-09-11 13:33:56 +0100 | [diff] [blame] | 889 | } |
| 890 | |
Markus Armbruster | 6952026 | 2021-09-16 13:17:07 +0200 | [diff] [blame] | 891 | return dev; |
Kevin Wolf | 6c1db52 | 2016-09-20 13:38:41 +0200 | [diff] [blame] | 892 | } |
| 893 | |
Juan Quintela | 3290067 | 2017-03-28 11:22:51 +0200 | [diff] [blame] | 894 | void qdev_unplug(DeviceState *dev, Error **errp) |
| 895 | { |
| 896 | DeviceClass *dc = DEVICE_GET_CLASS(dev); |
| 897 | HotplugHandler *hotplug_ctrl; |
| 898 | HotplugHandlerClass *hdc; |
David Hildenbrand | 07578b0 | 2019-02-28 13:28:47 +0100 | [diff] [blame] | 899 | Error *local_err = NULL; |
Juan Quintela | 3290067 | 2017-03-28 11:22:51 +0200 | [diff] [blame] | 900 | |
| 901 | if (dev->parent_bus && !qbus_is_hotpluggable(dev->parent_bus)) { |
| 902 | error_setg(errp, QERR_BUS_NO_HOTPLUG, dev->parent_bus->name); |
| 903 | return; |
| 904 | } |
| 905 | |
| 906 | if (!dc->hotpluggable) { |
| 907 | error_setg(errp, QERR_DEVICE_NO_HOTPLUG, |
| 908 | object_get_typename(OBJECT(dev))); |
| 909 | return; |
| 910 | } |
| 911 | |
Jens Freimann | a1190ab | 2019-10-29 12:49:01 +0100 | [diff] [blame] | 912 | if (!migration_is_idle() && !dev->allow_unplug_during_migration) { |
Juan Quintela | b06424d | 2017-03-22 17:34:27 +0100 | [diff] [blame] | 913 | error_setg(errp, "device_del not allowed while migrating"); |
| 914 | return; |
| 915 | } |
| 916 | |
Juan Quintela | 3290067 | 2017-03-28 11:22:51 +0200 | [diff] [blame] | 917 | qdev_hot_removed = true; |
| 918 | |
| 919 | hotplug_ctrl = qdev_get_hotplug_handler(dev); |
| 920 | /* hotpluggable device MUST have HotplugHandler, if it doesn't |
| 921 | * then something is very wrong with it */ |
| 922 | g_assert(hotplug_ctrl); |
| 923 | |
| 924 | /* If device supports async unplug just request it to be done, |
| 925 | * otherwise just remove it synchronously */ |
| 926 | hdc = HOTPLUG_HANDLER_GET_CLASS(hotplug_ctrl); |
| 927 | if (hdc->unplug_request) { |
David Hildenbrand | 07578b0 | 2019-02-28 13:28:47 +0100 | [diff] [blame] | 928 | hotplug_handler_unplug_request(hotplug_ctrl, dev, &local_err); |
Juan Quintela | 3290067 | 2017-03-28 11:22:51 +0200 | [diff] [blame] | 929 | } else { |
David Hildenbrand | 07578b0 | 2019-02-28 13:28:47 +0100 | [diff] [blame] | 930 | hotplug_handler_unplug(hotplug_ctrl, dev, &local_err); |
| 931 | if (!local_err) { |
| 932 | object_unparent(OBJECT(dev)); |
| 933 | } |
Juan Quintela | 3290067 | 2017-03-28 11:22:51 +0200 | [diff] [blame] | 934 | } |
David Hildenbrand | 07578b0 | 2019-02-28 13:28:47 +0100 | [diff] [blame] | 935 | error_propagate(errp, local_err); |
Juan Quintela | 3290067 | 2017-03-28 11:22:51 +0200 | [diff] [blame] | 936 | } |
| 937 | |
Kevin Wolf | 6c1db52 | 2016-09-20 13:38:41 +0200 | [diff] [blame] | 938 | void qmp_device_del(const char *id, Error **errp) |
| 939 | { |
| 940 | DeviceState *dev = find_device_state(id, errp); |
| 941 | if (dev != NULL) { |
Gerd Hoffmann | 18416c6 | 2021-11-11 14:08:59 +0100 | [diff] [blame] | 942 | if (dev->pending_deleted_event && |
| 943 | (dev->pending_deleted_expires_ms == 0 || |
| 944 | dev->pending_deleted_expires_ms > qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL))) { |
Julia Suvorova | cce8944 | 2020-02-20 17:55:56 +0100 | [diff] [blame] | 945 | error_setg(errp, "Device %s is already in the " |
| 946 | "process of unplug", id); |
| 947 | return; |
| 948 | } |
| 949 | |
Kevin Wolf | 6c1db52 | 2016-09-20 13:38:41 +0200 | [diff] [blame] | 950 | qdev_unplug(dev, errp); |
| 951 | } |
Anthony Liguori | ee46d8a | 2011-12-22 15:24:20 -0600 | [diff] [blame] | 952 | } |
| 953 | |
Markus Armbruster | d94bd09 | 2019-07-09 20:59:36 +0200 | [diff] [blame] | 954 | void hmp_device_add(Monitor *mon, const QDict *qdict) |
| 955 | { |
| 956 | Error *err = NULL; |
| 957 | |
| 958 | qmp_device_add((QDict *)qdict, NULL, &err); |
Vladimir Sementsov-Ogievskiy | 187c614 | 2019-12-05 20:46:18 +0300 | [diff] [blame] | 959 | hmp_handle_error(mon, err); |
Markus Armbruster | d94bd09 | 2019-07-09 20:59:36 +0200 | [diff] [blame] | 960 | } |
| 961 | |
| 962 | void hmp_device_del(Monitor *mon, const QDict *qdict) |
| 963 | { |
| 964 | const char *id = qdict_get_str(qdict, "id"); |
| 965 | Error *err = NULL; |
| 966 | |
| 967 | qmp_device_del(id, &err); |
Vladimir Sementsov-Ogievskiy | 187c614 | 2019-12-05 20:46:18 +0300 | [diff] [blame] | 968 | hmp_handle_error(mon, err); |
Markus Armbruster | d94bd09 | 2019-07-09 20:59:36 +0200 | [diff] [blame] | 969 | } |
| 970 | |
Kevin Wolf | 9680cae | 2016-09-20 13:38:42 +0200 | [diff] [blame] | 971 | BlockBackend *blk_by_qdev_id(const char *id, Error **errp) |
| 972 | { |
| 973 | DeviceState *dev; |
| 974 | BlockBackend *blk; |
| 975 | |
Emanuele Giuseppe Esposito | 0439c5a | 2022-03-03 10:15:53 -0500 | [diff] [blame] | 976 | GLOBAL_STATE_CODE(); |
| 977 | |
Kevin Wolf | 9680cae | 2016-09-20 13:38:42 +0200 | [diff] [blame] | 978 | dev = find_device_state(id, errp); |
| 979 | if (dev == NULL) { |
| 980 | return NULL; |
| 981 | } |
| 982 | |
| 983 | blk = blk_by_dev(dev); |
| 984 | if (!blk) { |
| 985 | error_setg(errp, "Device does not have a block device backend"); |
| 986 | } |
| 987 | return blk; |
| 988 | } |
| 989 | |
Paolo Bonzini | 4d45457 | 2012-11-26 16:03:42 +0100 | [diff] [blame] | 990 | QemuOptsList qemu_device_opts = { |
| 991 | .name = "device", |
| 992 | .implied_opt_name = "driver", |
| 993 | .head = QTAILQ_HEAD_INITIALIZER(qemu_device_opts.head), |
| 994 | .desc = { |
| 995 | /* |
| 996 | * no elements => accept any |
| 997 | * sanity checking will happen later |
| 998 | * when setting device properties |
| 999 | */ |
| 1000 | { /* end of list */ } |
| 1001 | }, |
| 1002 | }; |
| 1003 | |
| 1004 | QemuOptsList qemu_global_opts = { |
| 1005 | .name = "global", |
| 1006 | .head = QTAILQ_HEAD_INITIALIZER(qemu_global_opts.head), |
| 1007 | .desc = { |
| 1008 | { |
| 1009 | .name = "driver", |
| 1010 | .type = QEMU_OPT_STRING, |
| 1011 | },{ |
| 1012 | .name = "property", |
| 1013 | .type = QEMU_OPT_STRING, |
| 1014 | },{ |
| 1015 | .name = "value", |
| 1016 | .type = QEMU_OPT_STRING, |
| 1017 | }, |
| 1018 | { /* end of list */ } |
| 1019 | }, |
| 1020 | }; |
| 1021 | |
| 1022 | int qemu_global_option(const char *str) |
| 1023 | { |
| 1024 | char driver[64], property[64]; |
| 1025 | QemuOpts *opts; |
| 1026 | int rc, offset; |
| 1027 | |
Paolo Bonzini | 3751d7c | 2015-04-09 14:16:19 +0200 | [diff] [blame] | 1028 | rc = sscanf(str, "%63[^.=].%63[^=]%n", driver, property, &offset); |
| 1029 | if (rc == 2 && str[offset] == '=') { |
| 1030 | opts = qemu_opts_create(&qemu_global_opts, NULL, 0, &error_abort); |
| 1031 | qemu_opt_set(opts, "driver", driver, &error_abort); |
| 1032 | qemu_opt_set(opts, "property", property, &error_abort); |
| 1033 | qemu_opt_set(opts, "value", str + offset + 1, &error_abort); |
| 1034 | return 0; |
| 1035 | } |
| 1036 | |
Markus Armbruster | 70b9433 | 2015-02-13 12:50:26 +0100 | [diff] [blame] | 1037 | opts = qemu_opts_parse_noisily(&qemu_global_opts, str, false); |
Paolo Bonzini | 3751d7c | 2015-04-09 14:16:19 +0200 | [diff] [blame] | 1038 | if (!opts) { |
Paolo Bonzini | 4d45457 | 2012-11-26 16:03:42 +0100 | [diff] [blame] | 1039 | return -1; |
| 1040 | } |
Rohit Kumar | 818e163 | 2022-02-15 23:15:08 -0800 | [diff] [blame] | 1041 | if (!qemu_opt_get(opts, "driver") |
| 1042 | || !qemu_opt_get(opts, "property") |
| 1043 | || !qemu_opt_get(opts, "value")) { |
| 1044 | error_report("options 'driver', 'property', and 'value'" |
| 1045 | " are required"); |
| 1046 | return -1; |
| 1047 | } |
Paolo Bonzini | 4d45457 | 2012-11-26 16:03:42 +0100 | [diff] [blame] | 1048 | |
Paolo Bonzini | 4d45457 | 2012-11-26 16:03:42 +0100 | [diff] [blame] | 1049 | return 0; |
| 1050 | } |
Paolo Bonzini | 164dafd | 2020-10-27 04:44:18 -0400 | [diff] [blame] | 1051 | |
| 1052 | bool qmp_command_available(const QmpCommand *cmd, Error **errp) |
| 1053 | { |
Paolo Bonzini | 2f181fb | 2020-11-12 09:38:36 -0500 | [diff] [blame] | 1054 | if (!phase_check(PHASE_MACHINE_READY) && |
Paolo Bonzini | 164dafd | 2020-10-27 04:44:18 -0400 | [diff] [blame] | 1055 | !(cmd->options & QCO_ALLOW_PRECONFIG)) { |
| 1056 | error_setg(errp, "The command '%s' is permitted only after machine initialization has completed", |
| 1057 | cmd->name); |
| 1058 | return false; |
| 1059 | } |
| 1060 | return true; |
| 1061 | } |