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1 | aae9460e | Paul Brook | /*
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2 | aae9460e | Paul Brook | * Dynamic device configuration and creation.
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3 | aae9460e | Paul Brook | *
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4 | aae9460e | Paul Brook | * Copyright (c) 2009 CodeSourcery
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5 | aae9460e | Paul Brook | *
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6 | aae9460e | Paul Brook | * This library is free software; you can redistribute it and/or
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7 | aae9460e | Paul Brook | * modify it under the terms of the GNU Lesser General Public
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8 | aae9460e | Paul Brook | * License as published by the Free Software Foundation; either
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9 | aae9460e | Paul Brook | * version 2 of the License, or (at your option) any later version.
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10 | aae9460e | Paul Brook | *
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11 | aae9460e | Paul Brook | * This library is distributed in the hope that it will be useful,
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12 | aae9460e | Paul Brook | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | aae9460e | Paul Brook | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 | aae9460e | Paul Brook | * Lesser General Public License for more details.
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15 | aae9460e | Paul Brook | *
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16 | aae9460e | Paul Brook | * You should have received a copy of the GNU Lesser General Public
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17 | 8167ee88 | Blue Swirl | * License along with this library; if not, see <http://www.gnu.org/licenses/>.
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18 | aae9460e | Paul Brook | */
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19 | aae9460e | Paul Brook | |
20 | aae9460e | Paul Brook | /* The theory here is that it should be possible to create a machine without
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21 | aae9460e | Paul Brook | knowledge of specific devices. Historically board init routines have
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22 | aae9460e | Paul Brook | passed a bunch of arguments to each device, requiring the board know
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23 | aae9460e | Paul Brook | exactly which device it is dealing with. This file provides an abstract
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24 | aae9460e | Paul Brook | API for device configuration and initialization. Devices will generally
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25 | aae9460e | Paul Brook | inherit from a particular bus (e.g. PCI or I2C) rather than
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26 | aae9460e | Paul Brook | this API directly. */
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27 | aae9460e | Paul Brook | |
28 | 9d07d757 | Paul Brook | #include "net.h" |
29 | aae9460e | Paul Brook | #include "qdev.h" |
30 | aae9460e | Paul Brook | #include "sysemu.h" |
31 | cae4956e | Gerd Hoffmann | #include "monitor.h" |
32 | 3ced9f7a | Luiz Capitulino | #include "qerror.h" |
33 | aae9460e | Paul Brook | |
34 | 3418bd25 | Gerd Hoffmann | static int qdev_hotplug = 0; |
35 | 3418bd25 | Gerd Hoffmann | |
36 | cdaed7c7 | Gerd Hoffmann | /* This is a nasty hack to allow passing a NULL bus to qdev_create. */
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37 | b9aaf7f8 | Blue Swirl | static BusState *main_system_bus;
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38 | 4d6ae674 | Paul Brook | |
39 | 0958b4cc | Gerd Hoffmann | DeviceInfo *device_info_list; |
40 | aae9460e | Paul Brook | |
41 | 8ffb1bcf | Gerd Hoffmann | static BusState *qbus_find_recursive(BusState *bus, const char *name, |
42 | 8ffb1bcf | Gerd Hoffmann | const BusInfo *info);
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43 | 8ffb1bcf | Gerd Hoffmann | static BusState *qbus_find(const char *path); |
44 | 8ffb1bcf | Gerd Hoffmann | |
45 | aae9460e | Paul Brook | /* Register a new device type. */
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46 | 074f2fff | Gerd Hoffmann | void qdev_register(DeviceInfo *info)
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47 | aae9460e | Paul Brook | { |
48 | 074f2fff | Gerd Hoffmann | assert(info->size >= sizeof(DeviceState));
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49 | 042f84d0 | Gerd Hoffmann | assert(!info->next); |
50 | aae9460e | Paul Brook | |
51 | 042f84d0 | Gerd Hoffmann | info->next = device_info_list; |
52 | 042f84d0 | Gerd Hoffmann | device_info_list = info; |
53 | aae9460e | Paul Brook | } |
54 | aae9460e | Paul Brook | |
55 | 81ebb98b | Gerd Hoffmann | static DeviceInfo *qdev_find_info(BusInfo *bus_info, const char *name) |
56 | 81ebb98b | Gerd Hoffmann | { |
57 | 81ebb98b | Gerd Hoffmann | DeviceInfo *info; |
58 | 81ebb98b | Gerd Hoffmann | |
59 | 3320e56e | Gerd Hoffmann | /* first check device names */
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60 | 81ebb98b | Gerd Hoffmann | for (info = device_info_list; info != NULL; info = info->next) { |
61 | 81ebb98b | Gerd Hoffmann | if (bus_info && info->bus_info != bus_info)
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62 | 81ebb98b | Gerd Hoffmann | continue;
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63 | 81ebb98b | Gerd Hoffmann | if (strcmp(info->name, name) != 0) |
64 | 81ebb98b | Gerd Hoffmann | continue;
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65 | 81ebb98b | Gerd Hoffmann | return info;
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66 | 81ebb98b | Gerd Hoffmann | } |
67 | 3320e56e | Gerd Hoffmann | |
68 | 3320e56e | Gerd Hoffmann | /* failing that check the aliases */
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69 | 3320e56e | Gerd Hoffmann | for (info = device_info_list; info != NULL; info = info->next) { |
70 | 3320e56e | Gerd Hoffmann | if (bus_info && info->bus_info != bus_info)
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71 | 3320e56e | Gerd Hoffmann | continue;
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72 | 3320e56e | Gerd Hoffmann | if (!info->alias)
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73 | 3320e56e | Gerd Hoffmann | continue;
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74 | 3320e56e | Gerd Hoffmann | if (strcmp(info->alias, name) != 0) |
75 | 3320e56e | Gerd Hoffmann | continue;
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76 | 3320e56e | Gerd Hoffmann | return info;
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77 | 3320e56e | Gerd Hoffmann | } |
78 | 81ebb98b | Gerd Hoffmann | return NULL; |
79 | 81ebb98b | Gerd Hoffmann | } |
80 | 81ebb98b | Gerd Hoffmann | |
81 | 0c17542d | Markus Armbruster | static DeviceState *qdev_create_from_info(BusState *bus, DeviceInfo *info)
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82 | 0c17542d | Markus Armbruster | { |
83 | 0c17542d | Markus Armbruster | DeviceState *dev; |
84 | 0c17542d | Markus Armbruster | |
85 | 0c17542d | Markus Armbruster | assert(bus->info == info->bus_info); |
86 | 0c17542d | Markus Armbruster | dev = qemu_mallocz(info->size); |
87 | 0c17542d | Markus Armbruster | dev->info = info; |
88 | 0c17542d | Markus Armbruster | dev->parent_bus = bus; |
89 | 0c17542d | Markus Armbruster | qdev_prop_set_defaults(dev, dev->info->props); |
90 | 0c17542d | Markus Armbruster | qdev_prop_set_defaults(dev, dev->parent_bus->info->props); |
91 | 0c17542d | Markus Armbruster | qdev_prop_set_globals(dev); |
92 | 0c17542d | Markus Armbruster | QLIST_INSERT_HEAD(&bus->children, dev, sibling); |
93 | 0c17542d | Markus Armbruster | if (qdev_hotplug) {
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94 | 0c17542d | Markus Armbruster | assert(bus->allow_hotplug); |
95 | 0c17542d | Markus Armbruster | dev->hotplugged = 1;
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96 | 0c17542d | Markus Armbruster | } |
97 | 0c17542d | Markus Armbruster | dev->state = DEV_STATE_CREATED; |
98 | 0c17542d | Markus Armbruster | return dev;
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99 | 0c17542d | Markus Armbruster | } |
100 | 0c17542d | Markus Armbruster | |
101 | aae9460e | Paul Brook | /* Create a new device. This only initializes the device state structure
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102 | aae9460e | Paul Brook | and allows properties to be set. qdev_init should be called to
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103 | aae9460e | Paul Brook | initialize the actual device emulation. */
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104 | 02e2da45 | Paul Brook | DeviceState *qdev_create(BusState *bus, const char *name) |
105 | aae9460e | Paul Brook | { |
106 | 042f84d0 | Gerd Hoffmann | DeviceInfo *info; |
107 | aae9460e | Paul Brook | |
108 | 10c4c98a | Gerd Hoffmann | if (!bus) {
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109 | 10c4c98a | Gerd Hoffmann | if (!main_system_bus) {
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110 | 10c4c98a | Gerd Hoffmann | main_system_bus = qbus_create(&system_bus_info, NULL, "main-system-bus"); |
111 | aae9460e | Paul Brook | } |
112 | 10c4c98a | Gerd Hoffmann | bus = main_system_bus; |
113 | 10c4c98a | Gerd Hoffmann | } |
114 | 10c4c98a | Gerd Hoffmann | |
115 | 81ebb98b | Gerd Hoffmann | info = qdev_find_info(bus->info, name); |
116 | 042f84d0 | Gerd Hoffmann | if (!info) {
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117 | 10c4c98a | Gerd Hoffmann | hw_error("Unknown device '%s' for bus '%s'\n", name, bus->info->name);
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118 | aae9460e | Paul Brook | } |
119 | aae9460e | Paul Brook | |
120 | 0c17542d | Markus Armbruster | return qdev_create_from_info(bus, info);
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121 | aae9460e | Paul Brook | } |
122 | aae9460e | Paul Brook | |
123 | 8a9662ca | Markus Armbruster | static void qdev_print_devinfo(DeviceInfo *info) |
124 | 1b524b04 | Gerd Hoffmann | { |
125 | 8a9662ca | Markus Armbruster | error_printf("name \"%s\", bus %s",
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126 | 8a9662ca | Markus Armbruster | info->name, info->bus_info->name); |
127 | 22f2e344 | Gerd Hoffmann | if (info->alias) {
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128 | 8a9662ca | Markus Armbruster | error_printf(", alias \"%s\"", info->alias);
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129 | 22f2e344 | Gerd Hoffmann | } |
130 | 22f2e344 | Gerd Hoffmann | if (info->desc) {
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131 | 8a9662ca | Markus Armbruster | error_printf(", desc \"%s\"", info->desc);
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132 | 22f2e344 | Gerd Hoffmann | } |
133 | 22f2e344 | Gerd Hoffmann | if (info->no_user) {
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134 | 8a9662ca | Markus Armbruster | error_printf(", no-user");
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135 | 22f2e344 | Gerd Hoffmann | } |
136 | 8a9662ca | Markus Armbruster | error_printf("\n");
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137 | 1b524b04 | Gerd Hoffmann | } |
138 | 1b524b04 | Gerd Hoffmann | |
139 | f31d07d1 | Gerd Hoffmann | static int set_property(const char *name, const char *value, void *opaque) |
140 | 8ffb1bcf | Gerd Hoffmann | { |
141 | f31d07d1 | Gerd Hoffmann | DeviceState *dev = opaque; |
142 | f31d07d1 | Gerd Hoffmann | |
143 | f31d07d1 | Gerd Hoffmann | if (strcmp(name, "driver") == 0) |
144 | f31d07d1 | Gerd Hoffmann | return 0; |
145 | f31d07d1 | Gerd Hoffmann | if (strcmp(name, "bus") == 0) |
146 | f31d07d1 | Gerd Hoffmann | return 0; |
147 | f31d07d1 | Gerd Hoffmann | |
148 | 3df04ac3 | Mark McLoughlin | if (qdev_prop_parse(dev, name, value) == -1) { |
149 | 1ecda02b | Markus Armbruster | error_report("can't set property \"%s\" to \"%s\" for \"%s\"",
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150 | 1ecda02b | Markus Armbruster | name, value, dev->info->name); |
151 | f31d07d1 | Gerd Hoffmann | return -1; |
152 | f31d07d1 | Gerd Hoffmann | } |
153 | f31d07d1 | Gerd Hoffmann | return 0; |
154 | f31d07d1 | Gerd Hoffmann | } |
155 | f31d07d1 | Gerd Hoffmann | |
156 | ff952ba2 | Markus Armbruster | int qdev_device_help(QemuOpts *opts)
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157 | ff952ba2 | Markus Armbruster | { |
158 | ff952ba2 | Markus Armbruster | const char *driver; |
159 | ff952ba2 | Markus Armbruster | DeviceInfo *info; |
160 | 08350cf0 | Markus Armbruster | Property *prop; |
161 | ff952ba2 | Markus Armbruster | |
162 | ff952ba2 | Markus Armbruster | driver = qemu_opt_get(opts, "driver");
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163 | ff952ba2 | Markus Armbruster | if (driver && !strcmp(driver, "?")) { |
164 | ff952ba2 | Markus Armbruster | for (info = device_info_list; info != NULL; info = info->next) { |
165 | 8a9662ca | Markus Armbruster | qdev_print_devinfo(info); |
166 | ff952ba2 | Markus Armbruster | } |
167 | ff952ba2 | Markus Armbruster | return 1; |
168 | ff952ba2 | Markus Armbruster | } |
169 | ff952ba2 | Markus Armbruster | |
170 | 08350cf0 | Markus Armbruster | if (!qemu_opt_get(opts, "?")) { |
171 | 08350cf0 | Markus Armbruster | return 0; |
172 | 08350cf0 | Markus Armbruster | } |
173 | 08350cf0 | Markus Armbruster | |
174 | 08350cf0 | Markus Armbruster | info = qdev_find_info(NULL, driver);
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175 | 08350cf0 | Markus Armbruster | if (!info) {
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176 | 08350cf0 | Markus Armbruster | return 0; |
177 | 08350cf0 | Markus Armbruster | } |
178 | 08350cf0 | Markus Armbruster | |
179 | 08350cf0 | Markus Armbruster | for (prop = info->props; prop && prop->name; prop++) {
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180 | 8a9662ca | Markus Armbruster | error_printf("%s.%s=%s\n", info->name, prop->name, prop->info->name);
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181 | 08350cf0 | Markus Armbruster | } |
182 | 08350cf0 | Markus Armbruster | return 1; |
183 | ff952ba2 | Markus Armbruster | } |
184 | ff952ba2 | Markus Armbruster | |
185 | f31d07d1 | Gerd Hoffmann | DeviceState *qdev_device_add(QemuOpts *opts) |
186 | f31d07d1 | Gerd Hoffmann | { |
187 | f31d07d1 | Gerd Hoffmann | const char *driver, *path, *id; |
188 | 8ffb1bcf | Gerd Hoffmann | DeviceInfo *info; |
189 | 8ffb1bcf | Gerd Hoffmann | DeviceState *qdev; |
190 | 8ffb1bcf | Gerd Hoffmann | BusState *bus; |
191 | 8ffb1bcf | Gerd Hoffmann | |
192 | f31d07d1 | Gerd Hoffmann | driver = qemu_opt_get(opts, "driver");
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193 | f31d07d1 | Gerd Hoffmann | if (!driver) {
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194 | 1ecda02b | Markus Armbruster | error_report("-device: no driver specified");
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195 | 8ffb1bcf | Gerd Hoffmann | return NULL; |
196 | 8ffb1bcf | Gerd Hoffmann | } |
197 | f31d07d1 | Gerd Hoffmann | |
198 | f31d07d1 | Gerd Hoffmann | /* find driver */
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199 | 8ffb1bcf | Gerd Hoffmann | info = qdev_find_info(NULL, driver);
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200 | 8ffb1bcf | Gerd Hoffmann | if (!info) {
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201 | ab5b027e | Markus Armbruster | qerror_report(QERR_DEVICE_NOT_FOUND, driver); |
202 | 8ffb1bcf | Gerd Hoffmann | return NULL; |
203 | 8ffb1bcf | Gerd Hoffmann | } |
204 | 8ffb1bcf | Gerd Hoffmann | if (info->no_user) {
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205 | 1ecda02b | Markus Armbruster | error_report("device \"%s\" can't be added via command line",
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206 | 1ecda02b | Markus Armbruster | info->name); |
207 | 8ffb1bcf | Gerd Hoffmann | return NULL; |
208 | 8ffb1bcf | Gerd Hoffmann | } |
209 | 8ffb1bcf | Gerd Hoffmann | |
210 | f31d07d1 | Gerd Hoffmann | /* find bus */
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211 | f31d07d1 | Gerd Hoffmann | path = qemu_opt_get(opts, "bus");
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212 | f31d07d1 | Gerd Hoffmann | if (path != NULL) { |
213 | 8ffb1bcf | Gerd Hoffmann | bus = qbus_find(path); |
214 | 327867b6 | Markus Armbruster | if (bus && bus->info != info->bus_info) {
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215 | 327867b6 | Markus Armbruster | error_report("Device '%s' can't go on a %s bus",
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216 | 327867b6 | Markus Armbruster | driver, bus->info->name); |
217 | 327867b6 | Markus Armbruster | return NULL; |
218 | 327867b6 | Markus Armbruster | } |
219 | 8ffb1bcf | Gerd Hoffmann | } else {
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220 | 8ffb1bcf | Gerd Hoffmann | bus = qbus_find_recursive(main_system_bus, NULL, info->bus_info);
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221 | 8ffb1bcf | Gerd Hoffmann | } |
222 | 75570088 | Gerd Hoffmann | if (!bus) {
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223 | 1ecda02b | Markus Armbruster | error_report("Did not find %s bus for %s",
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224 | 1ecda02b | Markus Armbruster | path ? path : info->bus_info->name, info->name); |
225 | f31d07d1 | Gerd Hoffmann | return NULL; |
226 | 75570088 | Gerd Hoffmann | } |
227 | 3418bd25 | Gerd Hoffmann | if (qdev_hotplug && !bus->allow_hotplug) {
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228 | 1ecda02b | Markus Armbruster | error_report("Bus %s does not support hotplugging",
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229 | 1ecda02b | Markus Armbruster | bus->name); |
230 | 3418bd25 | Gerd Hoffmann | return NULL; |
231 | 3418bd25 | Gerd Hoffmann | } |
232 | 8ffb1bcf | Gerd Hoffmann | |
233 | f31d07d1 | Gerd Hoffmann | /* create device, set properties */
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234 | 0c17542d | Markus Armbruster | qdev = qdev_create_from_info(bus, info); |
235 | f31d07d1 | Gerd Hoffmann | id = qemu_opts_id(opts); |
236 | f31d07d1 | Gerd Hoffmann | if (id) {
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237 | f31d07d1 | Gerd Hoffmann | qdev->id = id; |
238 | f31d07d1 | Gerd Hoffmann | } |
239 | f31d07d1 | Gerd Hoffmann | if (qemu_opt_foreach(opts, set_property, qdev, 1) != 0) { |
240 | f31d07d1 | Gerd Hoffmann | qdev_free(qdev); |
241 | f31d07d1 | Gerd Hoffmann | return NULL; |
242 | 8ffb1bcf | Gerd Hoffmann | } |
243 | 5c17ca25 | Markus Armbruster | if (qdev_init(qdev) < 0) { |
244 | 1ecda02b | Markus Armbruster | error_report("Error initializing device %s", driver);
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245 | 81a322d4 | Gerd Hoffmann | return NULL; |
246 | 81a322d4 | Gerd Hoffmann | } |
247 | ef80b466 | Gerd Hoffmann | qdev->opts = opts; |
248 | 8ffb1bcf | Gerd Hoffmann | return qdev;
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249 | 8ffb1bcf | Gerd Hoffmann | } |
250 | 8ffb1bcf | Gerd Hoffmann | |
251 | 7f23f812 | Michael S. Tsirkin | static void qdev_reset(void *opaque) |
252 | 7f23f812 | Michael S. Tsirkin | { |
253 | 7f23f812 | Michael S. Tsirkin | DeviceState *dev = opaque; |
254 | 7f23f812 | Michael S. Tsirkin | if (dev->info->reset)
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255 | 7f23f812 | Michael S. Tsirkin | dev->info->reset(dev); |
256 | 7f23f812 | Michael S. Tsirkin | } |
257 | 7f23f812 | Michael S. Tsirkin | |
258 | aae9460e | Paul Brook | /* Initialize a device. Device properties should be set before calling
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259 | aae9460e | Paul Brook | this function. IRQs and MMIO regions should be connected/mapped after
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260 | 18cfeb52 | Markus Armbruster | calling this function.
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261 | 18cfeb52 | Markus Armbruster | On failure, destroy the device and return negative value.
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262 | 18cfeb52 | Markus Armbruster | Return 0 on success. */
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263 | 81a322d4 | Gerd Hoffmann | int qdev_init(DeviceState *dev)
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264 | aae9460e | Paul Brook | { |
265 | 959f733a | Gerd Hoffmann | int rc;
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266 | 959f733a | Gerd Hoffmann | |
267 | 131ec1bd | Gerd Hoffmann | assert(dev->state == DEV_STATE_CREATED); |
268 | 959f733a | Gerd Hoffmann | rc = dev->info->init(dev, dev->info); |
269 | 18cfeb52 | Markus Armbruster | if (rc < 0) { |
270 | 18cfeb52 | Markus Armbruster | qdev_free(dev); |
271 | 959f733a | Gerd Hoffmann | return rc;
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272 | 18cfeb52 | Markus Armbruster | } |
273 | 7f23f812 | Michael S. Tsirkin | qemu_register_reset(qdev_reset, dev); |
274 | 391a079e | Gerd Hoffmann | if (dev->info->vmsd)
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275 | 391a079e | Gerd Hoffmann | vmstate_register(-1, dev->info->vmsd, dev);
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276 | 131ec1bd | Gerd Hoffmann | dev->state = DEV_STATE_INITIALIZED; |
277 | 959f733a | Gerd Hoffmann | return 0; |
278 | 02e2da45 | Paul Brook | } |
279 | 02e2da45 | Paul Brook | |
280 | 3418bd25 | Gerd Hoffmann | int qdev_unplug(DeviceState *dev)
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281 | 3418bd25 | Gerd Hoffmann | { |
282 | 3418bd25 | Gerd Hoffmann | if (!dev->parent_bus->allow_hotplug) {
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283 | 1ecda02b | Markus Armbruster | error_report("Bus %s does not support hotplugging",
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284 | 1ecda02b | Markus Armbruster | dev->parent_bus->name); |
285 | 3418bd25 | Gerd Hoffmann | return -1; |
286 | 3418bd25 | Gerd Hoffmann | } |
287 | 593831de | Amit Shah | assert(dev->info->unplug != NULL);
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288 | 593831de | Amit Shah | |
289 | 3418bd25 | Gerd Hoffmann | return dev->info->unplug(dev);
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290 | 3418bd25 | Gerd Hoffmann | } |
291 | 3418bd25 | Gerd Hoffmann | |
292 | 3418bd25 | Gerd Hoffmann | /* can be used as ->unplug() callback for the simple cases */
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293 | 3418bd25 | Gerd Hoffmann | int qdev_simple_unplug_cb(DeviceState *dev)
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294 | 3418bd25 | Gerd Hoffmann | { |
295 | 3418bd25 | Gerd Hoffmann | /* just zap it */
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296 | 3418bd25 | Gerd Hoffmann | qdev_free(dev); |
297 | 3418bd25 | Gerd Hoffmann | return 0; |
298 | 3418bd25 | Gerd Hoffmann | } |
299 | 3418bd25 | Gerd Hoffmann | |
300 | e23a1b33 | Markus Armbruster | /* Like qdev_init(), but terminate program via hw_error() instead of
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301 | e23a1b33 | Markus Armbruster | returning an error value. This is okay during machine creation.
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302 | e23a1b33 | Markus Armbruster | Don't use for hotplug, because there callers need to recover from
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303 | e23a1b33 | Markus Armbruster | failure. Exception: if you know the device's init() callback can't
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304 | e23a1b33 | Markus Armbruster | fail, then qdev_init_nofail() can't fail either, and is therefore
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305 | e23a1b33 | Markus Armbruster | usable even then. But relying on the device implementation that
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306 | e23a1b33 | Markus Armbruster | way is somewhat unclean, and best avoided. */
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307 | e23a1b33 | Markus Armbruster | void qdev_init_nofail(DeviceState *dev)
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308 | e23a1b33 | Markus Armbruster | { |
309 | e23a1b33 | Markus Armbruster | DeviceInfo *info = dev->info; |
310 | e23a1b33 | Markus Armbruster | |
311 | e23a1b33 | Markus Armbruster | if (qdev_init(dev) < 0) |
312 | e23a1b33 | Markus Armbruster | hw_error("Initialization of device %s failed\n", info->name);
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313 | e23a1b33 | Markus Armbruster | } |
314 | e23a1b33 | Markus Armbruster | |
315 | 02e2da45 | Paul Brook | /* Unlink device from bus and free the structure. */
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316 | 02e2da45 | Paul Brook | void qdev_free(DeviceState *dev)
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317 | 02e2da45 | Paul Brook | { |
318 | 131ec1bd | Gerd Hoffmann | BusState *bus; |
319 | 131ec1bd | Gerd Hoffmann | |
320 | 131ec1bd | Gerd Hoffmann | if (dev->state == DEV_STATE_INITIALIZED) {
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321 | 131ec1bd | Gerd Hoffmann | while (dev->num_child_bus) {
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322 | 131ec1bd | Gerd Hoffmann | bus = QLIST_FIRST(&dev->child_bus); |
323 | 131ec1bd | Gerd Hoffmann | qbus_free(bus); |
324 | 131ec1bd | Gerd Hoffmann | } |
325 | 131ec1bd | Gerd Hoffmann | if (dev->info->vmsd)
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326 | 131ec1bd | Gerd Hoffmann | vmstate_unregister(dev->info->vmsd, dev); |
327 | d29275f1 | Gerd Hoffmann | if (dev->info->exit)
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328 | d29275f1 | Gerd Hoffmann | dev->info->exit(dev); |
329 | ef80b466 | Gerd Hoffmann | if (dev->opts)
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330 | ef80b466 | Gerd Hoffmann | qemu_opts_del(dev->opts); |
331 | 131ec1bd | Gerd Hoffmann | } |
332 | 7f23f812 | Michael S. Tsirkin | qemu_unregister_reset(qdev_reset, dev); |
333 | 72cf2d4f | Blue Swirl | QLIST_REMOVE(dev, sibling); |
334 | ccb63de3 | Gerd Hoffmann | qemu_free(dev); |
335 | aae9460e | Paul Brook | } |
336 | aae9460e | Paul Brook | |
337 | 3418bd25 | Gerd Hoffmann | void qdev_machine_creation_done(void) |
338 | 3418bd25 | Gerd Hoffmann | { |
339 | 3418bd25 | Gerd Hoffmann | /*
|
340 | 3418bd25 | Gerd Hoffmann | * ok, initial machine setup is done, starting from now we can
|
341 | 3418bd25 | Gerd Hoffmann | * only create hotpluggable devices
|
342 | 3418bd25 | Gerd Hoffmann | */
|
343 | 3418bd25 | Gerd Hoffmann | qdev_hotplug = 1;
|
344 | 3418bd25 | Gerd Hoffmann | } |
345 | 3418bd25 | Gerd Hoffmann | |
346 | aae9460e | Paul Brook | /* Get a character (serial) device interface. */
|
347 | aae9460e | Paul Brook | CharDriverState *qdev_init_chardev(DeviceState *dev) |
348 | aae9460e | Paul Brook | { |
349 | aae9460e | Paul Brook | static int next_serial; |
350 | 98b19252 | Amit Shah | |
351 | 98b19252 | Amit Shah | /* FIXME: This function needs to go away: use chardev properties! */
|
352 | 98b19252 | Amit Shah | return serial_hds[next_serial++];
|
353 | aae9460e | Paul Brook | } |
354 | aae9460e | Paul Brook | |
355 | 02e2da45 | Paul Brook | BusState *qdev_get_parent_bus(DeviceState *dev) |
356 | aae9460e | Paul Brook | { |
357 | 02e2da45 | Paul Brook | return dev->parent_bus;
|
358 | aae9460e | Paul Brook | } |
359 | aae9460e | Paul Brook | |
360 | aae9460e | Paul Brook | void qdev_init_gpio_in(DeviceState *dev, qemu_irq_handler handler, int n) |
361 | aae9460e | Paul Brook | { |
362 | aae9460e | Paul Brook | assert(dev->num_gpio_in == 0);
|
363 | aae9460e | Paul Brook | dev->num_gpio_in = n; |
364 | aae9460e | Paul Brook | dev->gpio_in = qemu_allocate_irqs(handler, dev, n); |
365 | aae9460e | Paul Brook | } |
366 | aae9460e | Paul Brook | |
367 | aae9460e | Paul Brook | void qdev_init_gpio_out(DeviceState *dev, qemu_irq *pins, int n) |
368 | aae9460e | Paul Brook | { |
369 | aae9460e | Paul Brook | assert(dev->num_gpio_out == 0);
|
370 | aae9460e | Paul Brook | dev->num_gpio_out = n; |
371 | aae9460e | Paul Brook | dev->gpio_out = pins; |
372 | aae9460e | Paul Brook | } |
373 | aae9460e | Paul Brook | |
374 | aae9460e | Paul Brook | qemu_irq qdev_get_gpio_in(DeviceState *dev, int n)
|
375 | aae9460e | Paul Brook | { |
376 | aae9460e | Paul Brook | assert(n >= 0 && n < dev->num_gpio_in);
|
377 | aae9460e | Paul Brook | return dev->gpio_in[n];
|
378 | aae9460e | Paul Brook | } |
379 | aae9460e | Paul Brook | |
380 | aae9460e | Paul Brook | void qdev_connect_gpio_out(DeviceState * dev, int n, qemu_irq pin) |
381 | aae9460e | Paul Brook | { |
382 | aae9460e | Paul Brook | assert(n >= 0 && n < dev->num_gpio_out);
|
383 | aae9460e | Paul Brook | dev->gpio_out[n] = pin; |
384 | aae9460e | Paul Brook | } |
385 | aae9460e | Paul Brook | |
386 | ed16ab5a | Gerd Hoffmann | void qdev_set_nic_properties(DeviceState *dev, NICInfo *nd)
|
387 | ed16ab5a | Gerd Hoffmann | { |
388 | ed16ab5a | Gerd Hoffmann | qdev_prop_set_macaddr(dev, "mac", nd->macaddr);
|
389 | ed16ab5a | Gerd Hoffmann | if (nd->vlan)
|
390 | ed16ab5a | Gerd Hoffmann | qdev_prop_set_vlan(dev, "vlan", nd->vlan);
|
391 | ed16ab5a | Gerd Hoffmann | if (nd->netdev)
|
392 | ed16ab5a | Gerd Hoffmann | qdev_prop_set_netdev(dev, "netdev", nd->netdev);
|
393 | 75422b0d | Amit Shah | if (nd->nvectors != DEV_NVECTORS_UNSPECIFIED &&
|
394 | 97b15621 | Gerd Hoffmann | qdev_prop_exists(dev, "vectors")) {
|
395 | 97b15621 | Gerd Hoffmann | qdev_prop_set_uint32(dev, "vectors", nd->nvectors);
|
396 | 97b15621 | Gerd Hoffmann | } |
397 | ed16ab5a | Gerd Hoffmann | } |
398 | ed16ab5a | Gerd Hoffmann | |
399 | aae9460e | Paul Brook | static int next_block_unit[IF_COUNT]; |
400 | aae9460e | Paul Brook | |
401 | aae9460e | Paul Brook | /* Get a block device. This should only be used for single-drive devices
|
402 | aae9460e | Paul Brook | (e.g. SD/Floppy/MTD). Multi-disk devices (scsi/ide) should use the
|
403 | aae9460e | Paul Brook | appropriate bus. */
|
404 | aae9460e | Paul Brook | BlockDriverState *qdev_init_bdrv(DeviceState *dev, BlockInterfaceType type) |
405 | aae9460e | Paul Brook | { |
406 | aae9460e | Paul Brook | int unit = next_block_unit[type]++;
|
407 | 751c6a17 | Gerd Hoffmann | DriveInfo *dinfo; |
408 | aae9460e | Paul Brook | |
409 | 751c6a17 | Gerd Hoffmann | dinfo = drive_get(type, 0, unit);
|
410 | 751c6a17 | Gerd Hoffmann | return dinfo ? dinfo->bdrv : NULL; |
411 | aae9460e | Paul Brook | } |
412 | 4d6ae674 | Paul Brook | |
413 | 02e2da45 | Paul Brook | BusState *qdev_get_child_bus(DeviceState *dev, const char *name) |
414 | 4d6ae674 | Paul Brook | { |
415 | 02e2da45 | Paul Brook | BusState *bus; |
416 | 4d6ae674 | Paul Brook | |
417 | 72cf2d4f | Blue Swirl | QLIST_FOREACH(bus, &dev->child_bus, sibling) { |
418 | 4d6ae674 | Paul Brook | if (strcmp(name, bus->name) == 0) { |
419 | 02e2da45 | Paul Brook | return bus;
|
420 | 4d6ae674 | Paul Brook | } |
421 | 4d6ae674 | Paul Brook | } |
422 | 4d6ae674 | Paul Brook | return NULL; |
423 | 4d6ae674 | Paul Brook | } |
424 | 4d6ae674 | Paul Brook | |
425 | 8ffb1bcf | Gerd Hoffmann | static BusState *qbus_find_recursive(BusState *bus, const char *name, |
426 | 8ffb1bcf | Gerd Hoffmann | const BusInfo *info)
|
427 | 8ffb1bcf | Gerd Hoffmann | { |
428 | 8ffb1bcf | Gerd Hoffmann | DeviceState *dev; |
429 | 8ffb1bcf | Gerd Hoffmann | BusState *child, *ret; |
430 | 8ffb1bcf | Gerd Hoffmann | int match = 1; |
431 | 8ffb1bcf | Gerd Hoffmann | |
432 | 8ffb1bcf | Gerd Hoffmann | if (name && (strcmp(bus->name, name) != 0)) { |
433 | 8ffb1bcf | Gerd Hoffmann | match = 0;
|
434 | 8ffb1bcf | Gerd Hoffmann | } |
435 | 8ffb1bcf | Gerd Hoffmann | if (info && (bus->info != info)) {
|
436 | 8ffb1bcf | Gerd Hoffmann | match = 0;
|
437 | 8ffb1bcf | Gerd Hoffmann | } |
438 | 8ffb1bcf | Gerd Hoffmann | if (match) {
|
439 | 8ffb1bcf | Gerd Hoffmann | return bus;
|
440 | 8ffb1bcf | Gerd Hoffmann | } |
441 | 8ffb1bcf | Gerd Hoffmann | |
442 | 72cf2d4f | Blue Swirl | QLIST_FOREACH(dev, &bus->children, sibling) { |
443 | 72cf2d4f | Blue Swirl | QLIST_FOREACH(child, &dev->child_bus, sibling) { |
444 | 8ffb1bcf | Gerd Hoffmann | ret = qbus_find_recursive(child, name, info); |
445 | 8ffb1bcf | Gerd Hoffmann | if (ret) {
|
446 | 8ffb1bcf | Gerd Hoffmann | return ret;
|
447 | 8ffb1bcf | Gerd Hoffmann | } |
448 | 8ffb1bcf | Gerd Hoffmann | } |
449 | 8ffb1bcf | Gerd Hoffmann | } |
450 | 8ffb1bcf | Gerd Hoffmann | return NULL; |
451 | 8ffb1bcf | Gerd Hoffmann | } |
452 | 8ffb1bcf | Gerd Hoffmann | |
453 | 3418bd25 | Gerd Hoffmann | static DeviceState *qdev_find_recursive(BusState *bus, const char *id) |
454 | 3418bd25 | Gerd Hoffmann | { |
455 | 3418bd25 | Gerd Hoffmann | DeviceState *dev, *ret; |
456 | 3418bd25 | Gerd Hoffmann | BusState *child; |
457 | 3418bd25 | Gerd Hoffmann | |
458 | 3418bd25 | Gerd Hoffmann | QLIST_FOREACH(dev, &bus->children, sibling) { |
459 | 3418bd25 | Gerd Hoffmann | if (dev->id && strcmp(dev->id, id) == 0) |
460 | 3418bd25 | Gerd Hoffmann | return dev;
|
461 | 3418bd25 | Gerd Hoffmann | QLIST_FOREACH(child, &dev->child_bus, sibling) { |
462 | 3418bd25 | Gerd Hoffmann | ret = qdev_find_recursive(child, id); |
463 | 3418bd25 | Gerd Hoffmann | if (ret) {
|
464 | 3418bd25 | Gerd Hoffmann | return ret;
|
465 | 3418bd25 | Gerd Hoffmann | } |
466 | 3418bd25 | Gerd Hoffmann | } |
467 | 3418bd25 | Gerd Hoffmann | } |
468 | 3418bd25 | Gerd Hoffmann | return NULL; |
469 | 3418bd25 | Gerd Hoffmann | } |
470 | 3418bd25 | Gerd Hoffmann | |
471 | 53db16b5 | Markus Armbruster | static void qbus_list_bus(DeviceState *dev) |
472 | 8ffb1bcf | Gerd Hoffmann | { |
473 | 8ffb1bcf | Gerd Hoffmann | BusState *child; |
474 | 8ffb1bcf | Gerd Hoffmann | const char *sep = " "; |
475 | 8ffb1bcf | Gerd Hoffmann | |
476 | 53db16b5 | Markus Armbruster | error_printf("child busses at \"%s\":",
|
477 | 53db16b5 | Markus Armbruster | dev->id ? dev->id : dev->info->name); |
478 | 72cf2d4f | Blue Swirl | QLIST_FOREACH(child, &dev->child_bus, sibling) { |
479 | 53db16b5 | Markus Armbruster | error_printf("%s\"%s\"", sep, child->name);
|
480 | 8ffb1bcf | Gerd Hoffmann | sep = ", ";
|
481 | 8ffb1bcf | Gerd Hoffmann | } |
482 | 53db16b5 | Markus Armbruster | error_printf("\n");
|
483 | 8ffb1bcf | Gerd Hoffmann | } |
484 | 8ffb1bcf | Gerd Hoffmann | |
485 | 53db16b5 | Markus Armbruster | static void qbus_list_dev(BusState *bus) |
486 | 8ffb1bcf | Gerd Hoffmann | { |
487 | 8ffb1bcf | Gerd Hoffmann | DeviceState *dev; |
488 | 8ffb1bcf | Gerd Hoffmann | const char *sep = " "; |
489 | 8ffb1bcf | Gerd Hoffmann | |
490 | 53db16b5 | Markus Armbruster | error_printf("devices at \"%s\":", bus->name);
|
491 | 72cf2d4f | Blue Swirl | QLIST_FOREACH(dev, &bus->children, sibling) { |
492 | 53db16b5 | Markus Armbruster | error_printf("%s\"%s\"", sep, dev->info->name);
|
493 | 8ffb1bcf | Gerd Hoffmann | if (dev->id)
|
494 | 53db16b5 | Markus Armbruster | error_printf("/\"%s\"", dev->id);
|
495 | 8ffb1bcf | Gerd Hoffmann | sep = ", ";
|
496 | 8ffb1bcf | Gerd Hoffmann | } |
497 | 53db16b5 | Markus Armbruster | error_printf("\n");
|
498 | 8ffb1bcf | Gerd Hoffmann | } |
499 | 8ffb1bcf | Gerd Hoffmann | |
500 | 8ffb1bcf | Gerd Hoffmann | static BusState *qbus_find_bus(DeviceState *dev, char *elem) |
501 | 8ffb1bcf | Gerd Hoffmann | { |
502 | 8ffb1bcf | Gerd Hoffmann | BusState *child; |
503 | 8ffb1bcf | Gerd Hoffmann | |
504 | 72cf2d4f | Blue Swirl | QLIST_FOREACH(child, &dev->child_bus, sibling) { |
505 | 8ffb1bcf | Gerd Hoffmann | if (strcmp(child->name, elem) == 0) { |
506 | 8ffb1bcf | Gerd Hoffmann | return child;
|
507 | 8ffb1bcf | Gerd Hoffmann | } |
508 | 8ffb1bcf | Gerd Hoffmann | } |
509 | 8ffb1bcf | Gerd Hoffmann | return NULL; |
510 | 8ffb1bcf | Gerd Hoffmann | } |
511 | 8ffb1bcf | Gerd Hoffmann | |
512 | 8ffb1bcf | Gerd Hoffmann | static DeviceState *qbus_find_dev(BusState *bus, char *elem) |
513 | 8ffb1bcf | Gerd Hoffmann | { |
514 | 8ffb1bcf | Gerd Hoffmann | DeviceState *dev; |
515 | 8ffb1bcf | Gerd Hoffmann | |
516 | 8ffb1bcf | Gerd Hoffmann | /*
|
517 | 8ffb1bcf | Gerd Hoffmann | * try to match in order:
|
518 | 8ffb1bcf | Gerd Hoffmann | * (1) instance id, if present
|
519 | 8ffb1bcf | Gerd Hoffmann | * (2) driver name
|
520 | 8ffb1bcf | Gerd Hoffmann | * (3) driver alias, if present
|
521 | 8ffb1bcf | Gerd Hoffmann | */
|
522 | 72cf2d4f | Blue Swirl | QLIST_FOREACH(dev, &bus->children, sibling) { |
523 | 8ffb1bcf | Gerd Hoffmann | if (dev->id && strcmp(dev->id, elem) == 0) { |
524 | 8ffb1bcf | Gerd Hoffmann | return dev;
|
525 | 8ffb1bcf | Gerd Hoffmann | } |
526 | 8ffb1bcf | Gerd Hoffmann | } |
527 | 72cf2d4f | Blue Swirl | QLIST_FOREACH(dev, &bus->children, sibling) { |
528 | 8ffb1bcf | Gerd Hoffmann | if (strcmp(dev->info->name, elem) == 0) { |
529 | 8ffb1bcf | Gerd Hoffmann | return dev;
|
530 | 8ffb1bcf | Gerd Hoffmann | } |
531 | 8ffb1bcf | Gerd Hoffmann | } |
532 | 72cf2d4f | Blue Swirl | QLIST_FOREACH(dev, &bus->children, sibling) { |
533 | 8ffb1bcf | Gerd Hoffmann | if (dev->info->alias && strcmp(dev->info->alias, elem) == 0) { |
534 | 8ffb1bcf | Gerd Hoffmann | return dev;
|
535 | 8ffb1bcf | Gerd Hoffmann | } |
536 | 8ffb1bcf | Gerd Hoffmann | } |
537 | 8ffb1bcf | Gerd Hoffmann | return NULL; |
538 | 8ffb1bcf | Gerd Hoffmann | } |
539 | 8ffb1bcf | Gerd Hoffmann | |
540 | 8ffb1bcf | Gerd Hoffmann | static BusState *qbus_find(const char *path) |
541 | 8ffb1bcf | Gerd Hoffmann | { |
542 | 8ffb1bcf | Gerd Hoffmann | DeviceState *dev; |
543 | 8ffb1bcf | Gerd Hoffmann | BusState *bus; |
544 | 53db16b5 | Markus Armbruster | char elem[128]; |
545 | 8ffb1bcf | Gerd Hoffmann | int pos, len;
|
546 | 8ffb1bcf | Gerd Hoffmann | |
547 | 8ffb1bcf | Gerd Hoffmann | /* find start element */
|
548 | 8ffb1bcf | Gerd Hoffmann | if (path[0] == '/') { |
549 | 8ffb1bcf | Gerd Hoffmann | bus = main_system_bus; |
550 | 8ffb1bcf | Gerd Hoffmann | pos = 0;
|
551 | 8ffb1bcf | Gerd Hoffmann | } else {
|
552 | 8ffb1bcf | Gerd Hoffmann | if (sscanf(path, "%127[^/]%n", elem, &len) != 1) { |
553 | 1ecda02b | Markus Armbruster | error_report("path parse error (\"%s\")", path);
|
554 | 8ffb1bcf | Gerd Hoffmann | return NULL; |
555 | 8ffb1bcf | Gerd Hoffmann | } |
556 | 8ffb1bcf | Gerd Hoffmann | bus = qbus_find_recursive(main_system_bus, elem, NULL);
|
557 | 8ffb1bcf | Gerd Hoffmann | if (!bus) {
|
558 | 1ecda02b | Markus Armbruster | error_report("bus \"%s\" not found", elem);
|
559 | 8ffb1bcf | Gerd Hoffmann | return NULL; |
560 | 8ffb1bcf | Gerd Hoffmann | } |
561 | 8ffb1bcf | Gerd Hoffmann | pos = len; |
562 | 8ffb1bcf | Gerd Hoffmann | } |
563 | 8ffb1bcf | Gerd Hoffmann | |
564 | 8ffb1bcf | Gerd Hoffmann | for (;;) {
|
565 | 8ffb1bcf | Gerd Hoffmann | if (path[pos] == '\0') { |
566 | 8ffb1bcf | Gerd Hoffmann | /* we are done */
|
567 | 8ffb1bcf | Gerd Hoffmann | return bus;
|
568 | 8ffb1bcf | Gerd Hoffmann | } |
569 | 8ffb1bcf | Gerd Hoffmann | |
570 | 8ffb1bcf | Gerd Hoffmann | /* find device */
|
571 | 8ffb1bcf | Gerd Hoffmann | if (sscanf(path+pos, "/%127[^/]%n", elem, &len) != 1) { |
572 | 1ecda02b | Markus Armbruster | error_report("path parse error (\"%s\" pos %d)", path, pos);
|
573 | 8ffb1bcf | Gerd Hoffmann | return NULL; |
574 | 8ffb1bcf | Gerd Hoffmann | } |
575 | 8ffb1bcf | Gerd Hoffmann | pos += len; |
576 | 8ffb1bcf | Gerd Hoffmann | dev = qbus_find_dev(bus, elem); |
577 | 8ffb1bcf | Gerd Hoffmann | if (!dev) {
|
578 | 1ecda02b | Markus Armbruster | error_report("device \"%s\" not found", elem);
|
579 | 53db16b5 | Markus Armbruster | qbus_list_dev(bus); |
580 | 8ffb1bcf | Gerd Hoffmann | return NULL; |
581 | 8ffb1bcf | Gerd Hoffmann | } |
582 | 8ffb1bcf | Gerd Hoffmann | if (path[pos] == '\0') { |
583 | 8ffb1bcf | Gerd Hoffmann | /* last specified element is a device. If it has exactly
|
584 | 8ffb1bcf | Gerd Hoffmann | * one child bus accept it nevertheless */
|
585 | 8ffb1bcf | Gerd Hoffmann | switch (dev->num_child_bus) {
|
586 | 8ffb1bcf | Gerd Hoffmann | case 0: |
587 | 1ecda02b | Markus Armbruster | error_report("device has no child bus (%s)", path);
|
588 | 8ffb1bcf | Gerd Hoffmann | return NULL; |
589 | 8ffb1bcf | Gerd Hoffmann | case 1: |
590 | 72cf2d4f | Blue Swirl | return QLIST_FIRST(&dev->child_bus);
|
591 | 8ffb1bcf | Gerd Hoffmann | default:
|
592 | 1ecda02b | Markus Armbruster | error_report("device has multiple child busses (%s)", path);
|
593 | 53db16b5 | Markus Armbruster | qbus_list_bus(dev); |
594 | 8ffb1bcf | Gerd Hoffmann | return NULL; |
595 | 8ffb1bcf | Gerd Hoffmann | } |
596 | 8ffb1bcf | Gerd Hoffmann | } |
597 | 8ffb1bcf | Gerd Hoffmann | |
598 | 8ffb1bcf | Gerd Hoffmann | /* find bus */
|
599 | 8ffb1bcf | Gerd Hoffmann | if (sscanf(path+pos, "/%127[^/]%n", elem, &len) != 1) { |
600 | 1ecda02b | Markus Armbruster | error_report("path parse error (\"%s\" pos %d)", path, pos);
|
601 | 8ffb1bcf | Gerd Hoffmann | return NULL; |
602 | 8ffb1bcf | Gerd Hoffmann | } |
603 | 8ffb1bcf | Gerd Hoffmann | pos += len; |
604 | 8ffb1bcf | Gerd Hoffmann | bus = qbus_find_bus(dev, elem); |
605 | 8ffb1bcf | Gerd Hoffmann | if (!bus) {
|
606 | 1ecda02b | Markus Armbruster | error_report("child bus \"%s\" not found", elem);
|
607 | 53db16b5 | Markus Armbruster | qbus_list_bus(dev); |
608 | 8ffb1bcf | Gerd Hoffmann | return NULL; |
609 | 8ffb1bcf | Gerd Hoffmann | } |
610 | 8ffb1bcf | Gerd Hoffmann | } |
611 | 8ffb1bcf | Gerd Hoffmann | } |
612 | 8ffb1bcf | Gerd Hoffmann | |
613 | cd739fb6 | Gerd Hoffmann | void qbus_create_inplace(BusState *bus, BusInfo *info,
|
614 | cd739fb6 | Gerd Hoffmann | DeviceState *parent, const char *name) |
615 | 02e2da45 | Paul Brook | { |
616 | d271de9f | Gerd Hoffmann | char *buf;
|
617 | d271de9f | Gerd Hoffmann | int i,len;
|
618 | 02e2da45 | Paul Brook | |
619 | 10c4c98a | Gerd Hoffmann | bus->info = info; |
620 | 02e2da45 | Paul Brook | bus->parent = parent; |
621 | d271de9f | Gerd Hoffmann | |
622 | d271de9f | Gerd Hoffmann | if (name) {
|
623 | d271de9f | Gerd Hoffmann | /* use supplied name */
|
624 | d271de9f | Gerd Hoffmann | bus->name = qemu_strdup(name); |
625 | d271de9f | Gerd Hoffmann | } else if (parent && parent->id) { |
626 | d271de9f | Gerd Hoffmann | /* parent device has id -> use it for bus name */
|
627 | d271de9f | Gerd Hoffmann | len = strlen(parent->id) + 16;
|
628 | d271de9f | Gerd Hoffmann | buf = qemu_malloc(len); |
629 | d271de9f | Gerd Hoffmann | snprintf(buf, len, "%s.%d", parent->id, parent->num_child_bus);
|
630 | d271de9f | Gerd Hoffmann | bus->name = buf; |
631 | d271de9f | Gerd Hoffmann | } else {
|
632 | d271de9f | Gerd Hoffmann | /* no id -> use lowercase bus type for bus name */
|
633 | d271de9f | Gerd Hoffmann | len = strlen(info->name) + 16;
|
634 | d271de9f | Gerd Hoffmann | buf = qemu_malloc(len); |
635 | d271de9f | Gerd Hoffmann | len = snprintf(buf, len, "%s.%d", info->name,
|
636 | d271de9f | Gerd Hoffmann | parent ? parent->num_child_bus : 0);
|
637 | d271de9f | Gerd Hoffmann | for (i = 0; i < len; i++) |
638 | bb87ece5 | Christoph Egger | buf[i] = qemu_tolower(buf[i]); |
639 | d271de9f | Gerd Hoffmann | bus->name = buf; |
640 | d271de9f | Gerd Hoffmann | } |
641 | d271de9f | Gerd Hoffmann | |
642 | 72cf2d4f | Blue Swirl | QLIST_INIT(&bus->children); |
643 | 02e2da45 | Paul Brook | if (parent) {
|
644 | 72cf2d4f | Blue Swirl | QLIST_INSERT_HEAD(&parent->child_bus, bus, sibling); |
645 | d271de9f | Gerd Hoffmann | parent->num_child_bus++; |
646 | 02e2da45 | Paul Brook | } |
647 | cd739fb6 | Gerd Hoffmann | |
648 | cd739fb6 | Gerd Hoffmann | } |
649 | cd739fb6 | Gerd Hoffmann | |
650 | cd739fb6 | Gerd Hoffmann | BusState *qbus_create(BusInfo *info, DeviceState *parent, const char *name) |
651 | cd739fb6 | Gerd Hoffmann | { |
652 | cd739fb6 | Gerd Hoffmann | BusState *bus; |
653 | cd739fb6 | Gerd Hoffmann | |
654 | cd739fb6 | Gerd Hoffmann | bus = qemu_mallocz(info->size); |
655 | cd739fb6 | Gerd Hoffmann | bus->qdev_allocated = 1;
|
656 | cd739fb6 | Gerd Hoffmann | qbus_create_inplace(bus, info, parent, name); |
657 | 02e2da45 | Paul Brook | return bus;
|
658 | 02e2da45 | Paul Brook | } |
659 | cae4956e | Gerd Hoffmann | |
660 | 131ec1bd | Gerd Hoffmann | void qbus_free(BusState *bus)
|
661 | 131ec1bd | Gerd Hoffmann | { |
662 | 131ec1bd | Gerd Hoffmann | DeviceState *dev; |
663 | 131ec1bd | Gerd Hoffmann | |
664 | 131ec1bd | Gerd Hoffmann | while ((dev = QLIST_FIRST(&bus->children)) != NULL) { |
665 | 131ec1bd | Gerd Hoffmann | qdev_free(dev); |
666 | 131ec1bd | Gerd Hoffmann | } |
667 | 131ec1bd | Gerd Hoffmann | if (bus->parent) {
|
668 | 131ec1bd | Gerd Hoffmann | QLIST_REMOVE(bus, sibling); |
669 | 131ec1bd | Gerd Hoffmann | bus->parent->num_child_bus--; |
670 | 131ec1bd | Gerd Hoffmann | } |
671 | 131ec1bd | Gerd Hoffmann | if (bus->qdev_allocated) {
|
672 | 131ec1bd | Gerd Hoffmann | qemu_free(bus); |
673 | 131ec1bd | Gerd Hoffmann | } |
674 | 131ec1bd | Gerd Hoffmann | } |
675 | 131ec1bd | Gerd Hoffmann | |
676 | cae4956e | Gerd Hoffmann | #define qdev_printf(fmt, ...) monitor_printf(mon, "%*s" fmt, indent, "", ## __VA_ARGS__) |
677 | cae4956e | Gerd Hoffmann | static void qbus_print(Monitor *mon, BusState *bus, int indent); |
678 | cae4956e | Gerd Hoffmann | |
679 | ee6847d1 | Gerd Hoffmann | static void qdev_print_props(Monitor *mon, DeviceState *dev, Property *props, |
680 | ee6847d1 | Gerd Hoffmann | const char *prefix, int indent) |
681 | ee6847d1 | Gerd Hoffmann | { |
682 | ee6847d1 | Gerd Hoffmann | char buf[64]; |
683 | ee6847d1 | Gerd Hoffmann | |
684 | ee6847d1 | Gerd Hoffmann | if (!props)
|
685 | ee6847d1 | Gerd Hoffmann | return;
|
686 | ee6847d1 | Gerd Hoffmann | while (props->name) {
|
687 | ee6847d1 | Gerd Hoffmann | if (props->info->print) {
|
688 | ee6847d1 | Gerd Hoffmann | props->info->print(dev, props, buf, sizeof(buf));
|
689 | ee6847d1 | Gerd Hoffmann | qdev_printf("%s-prop: %s = %s\n", prefix, props->name, buf);
|
690 | ee6847d1 | Gerd Hoffmann | } |
691 | ee6847d1 | Gerd Hoffmann | props++; |
692 | ee6847d1 | Gerd Hoffmann | } |
693 | ee6847d1 | Gerd Hoffmann | } |
694 | ee6847d1 | Gerd Hoffmann | |
695 | cae4956e | Gerd Hoffmann | static void qdev_print(Monitor *mon, DeviceState *dev, int indent) |
696 | cae4956e | Gerd Hoffmann | { |
697 | cae4956e | Gerd Hoffmann | BusState *child; |
698 | ccb63de3 | Gerd Hoffmann | qdev_printf("dev: %s, id \"%s\"\n", dev->info->name,
|
699 | ccb63de3 | Gerd Hoffmann | dev->id ? dev->id : "");
|
700 | cae4956e | Gerd Hoffmann | indent += 2;
|
701 | cae4956e | Gerd Hoffmann | if (dev->num_gpio_in) {
|
702 | cae4956e | Gerd Hoffmann | qdev_printf("gpio-in %d\n", dev->num_gpio_in);
|
703 | cae4956e | Gerd Hoffmann | } |
704 | cae4956e | Gerd Hoffmann | if (dev->num_gpio_out) {
|
705 | cae4956e | Gerd Hoffmann | qdev_printf("gpio-out %d\n", dev->num_gpio_out);
|
706 | cae4956e | Gerd Hoffmann | } |
707 | ee6847d1 | Gerd Hoffmann | qdev_print_props(mon, dev, dev->info->props, "dev", indent);
|
708 | ee6847d1 | Gerd Hoffmann | qdev_print_props(mon, dev, dev->parent_bus->info->props, "bus", indent);
|
709 | 10c4c98a | Gerd Hoffmann | if (dev->parent_bus->info->print_dev)
|
710 | 10c4c98a | Gerd Hoffmann | dev->parent_bus->info->print_dev(mon, dev, indent); |
711 | 72cf2d4f | Blue Swirl | QLIST_FOREACH(child, &dev->child_bus, sibling) { |
712 | cae4956e | Gerd Hoffmann | qbus_print(mon, child, indent); |
713 | cae4956e | Gerd Hoffmann | } |
714 | cae4956e | Gerd Hoffmann | } |
715 | cae4956e | Gerd Hoffmann | |
716 | cae4956e | Gerd Hoffmann | static void qbus_print(Monitor *mon, BusState *bus, int indent) |
717 | cae4956e | Gerd Hoffmann | { |
718 | cae4956e | Gerd Hoffmann | struct DeviceState *dev;
|
719 | cae4956e | Gerd Hoffmann | |
720 | cae4956e | Gerd Hoffmann | qdev_printf("bus: %s\n", bus->name);
|
721 | cae4956e | Gerd Hoffmann | indent += 2;
|
722 | 10c4c98a | Gerd Hoffmann | qdev_printf("type %s\n", bus->info->name);
|
723 | 72cf2d4f | Blue Swirl | QLIST_FOREACH(dev, &bus->children, sibling) { |
724 | cae4956e | Gerd Hoffmann | qdev_print(mon, dev, indent); |
725 | cae4956e | Gerd Hoffmann | } |
726 | cae4956e | Gerd Hoffmann | } |
727 | cae4956e | Gerd Hoffmann | #undef qdev_printf
|
728 | cae4956e | Gerd Hoffmann | |
729 | cae4956e | Gerd Hoffmann | void do_info_qtree(Monitor *mon)
|
730 | cae4956e | Gerd Hoffmann | { |
731 | cae4956e | Gerd Hoffmann | if (main_system_bus)
|
732 | cae4956e | Gerd Hoffmann | qbus_print(mon, main_system_bus, 0);
|
733 | cae4956e | Gerd Hoffmann | } |
734 | 9316d30f | Gerd Hoffmann | |
735 | f6c64e0e | Gerd Hoffmann | void do_info_qdm(Monitor *mon)
|
736 | 9316d30f | Gerd Hoffmann | { |
737 | 9316d30f | Gerd Hoffmann | DeviceInfo *info; |
738 | 9316d30f | Gerd Hoffmann | |
739 | 9316d30f | Gerd Hoffmann | for (info = device_info_list; info != NULL; info = info->next) { |
740 | 8a9662ca | Markus Armbruster | qdev_print_devinfo(info); |
741 | 9316d30f | Gerd Hoffmann | } |
742 | 9316d30f | Gerd Hoffmann | } |
743 | 3418bd25 | Gerd Hoffmann | |
744 | 3418bd25 | Gerd Hoffmann | void do_device_add(Monitor *mon, const QDict *qdict) |
745 | 3418bd25 | Gerd Hoffmann | { |
746 | 3418bd25 | Gerd Hoffmann | QemuOpts *opts; |
747 | 3418bd25 | Gerd Hoffmann | |
748 | 3418bd25 | Gerd Hoffmann | opts = qemu_opts_parse(&qemu_device_opts, |
749 | 3418bd25 | Gerd Hoffmann | qdict_get_str(qdict, "config"), "driver"); |
750 | 0f853a38 | Kevin Wolf | if (opts) {
|
751 | 0f853a38 | Kevin Wolf | if (qdev_device_help(opts) || qdev_device_add(opts) == NULL) { |
752 | 0f853a38 | Kevin Wolf | qemu_opts_del(opts); |
753 | 0f853a38 | Kevin Wolf | } |
754 | 0f853a38 | Kevin Wolf | } |
755 | 3418bd25 | Gerd Hoffmann | } |
756 | 3418bd25 | Gerd Hoffmann | |
757 | 3418bd25 | Gerd Hoffmann | void do_device_del(Monitor *mon, const QDict *qdict) |
758 | 3418bd25 | Gerd Hoffmann | { |
759 | 3418bd25 | Gerd Hoffmann | const char *id = qdict_get_str(qdict, "id"); |
760 | 3418bd25 | Gerd Hoffmann | DeviceState *dev; |
761 | 3418bd25 | Gerd Hoffmann | |
762 | 3418bd25 | Gerd Hoffmann | dev = qdev_find_recursive(main_system_bus, id); |
763 | 3418bd25 | Gerd Hoffmann | if (NULL == dev) { |
764 | 1ecda02b | Markus Armbruster | error_report("Device '%s' not found", id);
|
765 | 3418bd25 | Gerd Hoffmann | return;
|
766 | 3418bd25 | Gerd Hoffmann | } |
767 | 3418bd25 | Gerd Hoffmann | qdev_unplug(dev); |
768 | 3418bd25 | Gerd Hoffmann | } |