root / hw / qdev.c @ 18cfeb52
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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 | aae9460e | Paul Brook | |
33 | 3418bd25 | Gerd Hoffmann | static int qdev_hotplug = 0; |
34 | 3418bd25 | Gerd Hoffmann | |
35 | cdaed7c7 | Gerd Hoffmann | /* This is a nasty hack to allow passing a NULL bus to qdev_create. */
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36 | b9aaf7f8 | Blue Swirl | static BusState *main_system_bus;
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37 | 4d6ae674 | Paul Brook | |
38 | 042f84d0 | Gerd Hoffmann | static DeviceInfo *device_info_list;
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39 | aae9460e | Paul Brook | |
40 | 8ffb1bcf | Gerd Hoffmann | static BusState *qbus_find_recursive(BusState *bus, const char *name, |
41 | 8ffb1bcf | Gerd Hoffmann | const BusInfo *info);
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42 | 8ffb1bcf | Gerd Hoffmann | static BusState *qbus_find(const char *path); |
43 | 8ffb1bcf | Gerd Hoffmann | |
44 | aae9460e | Paul Brook | /* Register a new device type. */
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45 | 074f2fff | Gerd Hoffmann | void qdev_register(DeviceInfo *info)
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46 | aae9460e | Paul Brook | { |
47 | 074f2fff | Gerd Hoffmann | assert(info->size >= sizeof(DeviceState));
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48 | 042f84d0 | Gerd Hoffmann | assert(!info->next); |
49 | aae9460e | Paul Brook | |
50 | 042f84d0 | Gerd Hoffmann | info->next = device_info_list; |
51 | 042f84d0 | Gerd Hoffmann | device_info_list = info; |
52 | aae9460e | Paul Brook | } |
53 | aae9460e | Paul Brook | |
54 | 81ebb98b | Gerd Hoffmann | static DeviceInfo *qdev_find_info(BusInfo *bus_info, const char *name) |
55 | 81ebb98b | Gerd Hoffmann | { |
56 | 81ebb98b | Gerd Hoffmann | DeviceInfo *info; |
57 | 81ebb98b | Gerd Hoffmann | |
58 | 3320e56e | Gerd Hoffmann | /* first check device names */
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59 | 81ebb98b | Gerd Hoffmann | for (info = device_info_list; info != NULL; info = info->next) { |
60 | 81ebb98b | Gerd Hoffmann | if (bus_info && info->bus_info != bus_info)
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61 | 81ebb98b | Gerd Hoffmann | continue;
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62 | 81ebb98b | Gerd Hoffmann | if (strcmp(info->name, name) != 0) |
63 | 81ebb98b | Gerd Hoffmann | continue;
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64 | 81ebb98b | Gerd Hoffmann | return info;
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65 | 81ebb98b | Gerd Hoffmann | } |
66 | 3320e56e | Gerd Hoffmann | |
67 | 3320e56e | Gerd Hoffmann | /* failing that check the aliases */
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68 | 3320e56e | Gerd Hoffmann | for (info = device_info_list; info != NULL; info = info->next) { |
69 | 3320e56e | Gerd Hoffmann | if (bus_info && info->bus_info != bus_info)
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70 | 3320e56e | Gerd Hoffmann | continue;
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71 | 3320e56e | Gerd Hoffmann | if (!info->alias)
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72 | 3320e56e | Gerd Hoffmann | continue;
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73 | 3320e56e | Gerd Hoffmann | if (strcmp(info->alias, name) != 0) |
74 | 3320e56e | Gerd Hoffmann | continue;
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75 | 3320e56e | Gerd Hoffmann | return info;
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76 | 3320e56e | Gerd Hoffmann | } |
77 | 81ebb98b | Gerd Hoffmann | return NULL; |
78 | 81ebb98b | Gerd Hoffmann | } |
79 | 81ebb98b | Gerd Hoffmann | |
80 | aae9460e | Paul Brook | /* Create a new device. This only initializes the device state structure
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81 | aae9460e | Paul Brook | and allows properties to be set. qdev_init should be called to
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82 | aae9460e | Paul Brook | initialize the actual device emulation. */
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83 | 02e2da45 | Paul Brook | DeviceState *qdev_create(BusState *bus, const char *name) |
84 | aae9460e | Paul Brook | { |
85 | 042f84d0 | Gerd Hoffmann | DeviceInfo *info; |
86 | aae9460e | Paul Brook | DeviceState *dev; |
87 | aae9460e | Paul Brook | |
88 | 10c4c98a | Gerd Hoffmann | if (!bus) {
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89 | 10c4c98a | Gerd Hoffmann | if (!main_system_bus) {
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90 | 10c4c98a | Gerd Hoffmann | main_system_bus = qbus_create(&system_bus_info, NULL, "main-system-bus"); |
91 | aae9460e | Paul Brook | } |
92 | 10c4c98a | Gerd Hoffmann | bus = main_system_bus; |
93 | 10c4c98a | Gerd Hoffmann | } |
94 | 10c4c98a | Gerd Hoffmann | |
95 | 81ebb98b | Gerd Hoffmann | info = qdev_find_info(bus->info, name); |
96 | 042f84d0 | Gerd Hoffmann | if (!info) {
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97 | 10c4c98a | Gerd Hoffmann | hw_error("Unknown device '%s' for bus '%s'\n", name, bus->info->name);
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98 | aae9460e | Paul Brook | } |
99 | aae9460e | Paul Brook | |
100 | 042f84d0 | Gerd Hoffmann | dev = qemu_mallocz(info->size); |
101 | 042f84d0 | Gerd Hoffmann | dev->info = info; |
102 | 02e2da45 | Paul Brook | dev->parent_bus = bus; |
103 | ee6847d1 | Gerd Hoffmann | qdev_prop_set_defaults(dev, dev->info->props); |
104 | ee6847d1 | Gerd Hoffmann | qdev_prop_set_defaults(dev, dev->parent_bus->info->props); |
105 | b6b61144 | Gerd Hoffmann | qdev_prop_set_compat(dev); |
106 | 72cf2d4f | Blue Swirl | QLIST_INSERT_HEAD(&bus->children, dev, sibling); |
107 | 3418bd25 | Gerd Hoffmann | if (qdev_hotplug) {
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108 | 3418bd25 | Gerd Hoffmann | assert(bus->allow_hotplug); |
109 | 3418bd25 | Gerd Hoffmann | dev->hotplugged = 1;
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110 | 3418bd25 | Gerd Hoffmann | } |
111 | 131ec1bd | Gerd Hoffmann | dev->state = DEV_STATE_CREATED; |
112 | aae9460e | Paul Brook | return dev;
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113 | aae9460e | Paul Brook | } |
114 | aae9460e | Paul Brook | |
115 | 1b524b04 | Gerd Hoffmann | static int qdev_print_devinfo(DeviceInfo *info, char *dest, int len) |
116 | 1b524b04 | Gerd Hoffmann | { |
117 | 1b524b04 | Gerd Hoffmann | int pos = 0; |
118 | 22f2e344 | Gerd Hoffmann | int ret;
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119 | 22f2e344 | Gerd Hoffmann | |
120 | 22f2e344 | Gerd Hoffmann | ret = snprintf(dest+pos, len-pos, "name \"%s\", bus %s",
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121 | 22f2e344 | Gerd Hoffmann | info->name, info->bus_info->name); |
122 | 22f2e344 | Gerd Hoffmann | pos += MIN(len-pos,ret); |
123 | 22f2e344 | Gerd Hoffmann | if (info->alias) {
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124 | 22f2e344 | Gerd Hoffmann | ret = snprintf(dest+pos, len-pos, ", alias \"%s\"", info->alias);
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125 | 22f2e344 | Gerd Hoffmann | pos += MIN(len-pos,ret); |
126 | 22f2e344 | Gerd Hoffmann | } |
127 | 22f2e344 | Gerd Hoffmann | if (info->desc) {
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128 | 22f2e344 | Gerd Hoffmann | ret = snprintf(dest+pos, len-pos, ", desc \"%s\"", info->desc);
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129 | 22f2e344 | Gerd Hoffmann | pos += MIN(len-pos,ret); |
130 | 22f2e344 | Gerd Hoffmann | } |
131 | 22f2e344 | Gerd Hoffmann | if (info->no_user) {
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132 | 22f2e344 | Gerd Hoffmann | ret = snprintf(dest+pos, len-pos, ", no-user");
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133 | 22f2e344 | Gerd Hoffmann | pos += MIN(len-pos,ret); |
134 | 22f2e344 | Gerd Hoffmann | } |
135 | 1b524b04 | Gerd Hoffmann | return pos;
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136 | 1b524b04 | Gerd Hoffmann | } |
137 | 1b524b04 | Gerd Hoffmann | |
138 | f31d07d1 | Gerd Hoffmann | static int set_property(const char *name, const char *value, void *opaque) |
139 | 8ffb1bcf | Gerd Hoffmann | { |
140 | f31d07d1 | Gerd Hoffmann | DeviceState *dev = opaque; |
141 | f31d07d1 | Gerd Hoffmann | |
142 | f31d07d1 | Gerd Hoffmann | if (strcmp(name, "driver") == 0) |
143 | f31d07d1 | Gerd Hoffmann | return 0; |
144 | f31d07d1 | Gerd Hoffmann | if (strcmp(name, "bus") == 0) |
145 | f31d07d1 | Gerd Hoffmann | return 0; |
146 | f31d07d1 | Gerd Hoffmann | |
147 | 3df04ac3 | Mark McLoughlin | if (qdev_prop_parse(dev, name, value) == -1) { |
148 | 286c2321 | Gerd Hoffmann | qemu_error("can't set property \"%s\" to \"%s\" for \"%s\"\n",
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149 | 286c2321 | Gerd Hoffmann | name, value, dev->info->name); |
150 | f31d07d1 | Gerd Hoffmann | return -1; |
151 | f31d07d1 | Gerd Hoffmann | } |
152 | f31d07d1 | Gerd Hoffmann | return 0; |
153 | f31d07d1 | Gerd Hoffmann | } |
154 | f31d07d1 | Gerd Hoffmann | |
155 | f31d07d1 | Gerd Hoffmann | DeviceState *qdev_device_add(QemuOpts *opts) |
156 | f31d07d1 | Gerd Hoffmann | { |
157 | f31d07d1 | Gerd Hoffmann | const char *driver, *path, *id; |
158 | 8ffb1bcf | Gerd Hoffmann | DeviceInfo *info; |
159 | 8ffb1bcf | Gerd Hoffmann | DeviceState *qdev; |
160 | 8ffb1bcf | Gerd Hoffmann | BusState *bus; |
161 | 8ffb1bcf | Gerd Hoffmann | |
162 | f31d07d1 | Gerd Hoffmann | driver = qemu_opt_get(opts, "driver");
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163 | f31d07d1 | Gerd Hoffmann | if (!driver) {
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164 | 286c2321 | Gerd Hoffmann | qemu_error("-device: no driver specified\n");
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165 | 8ffb1bcf | Gerd Hoffmann | return NULL; |
166 | 8ffb1bcf | Gerd Hoffmann | } |
167 | 8ffb1bcf | Gerd Hoffmann | if (strcmp(driver, "?") == 0) { |
168 | 1b524b04 | Gerd Hoffmann | char msg[256]; |
169 | 8ffb1bcf | Gerd Hoffmann | for (info = device_info_list; info != NULL; info = info->next) { |
170 | 1b524b04 | Gerd Hoffmann | qdev_print_devinfo(info, msg, sizeof(msg));
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171 | 286c2321 | Gerd Hoffmann | qemu_error("%s\n", msg);
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172 | 8ffb1bcf | Gerd Hoffmann | } |
173 | 8ffb1bcf | Gerd Hoffmann | return NULL; |
174 | 8ffb1bcf | Gerd Hoffmann | } |
175 | f31d07d1 | Gerd Hoffmann | |
176 | f31d07d1 | Gerd Hoffmann | /* find driver */
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177 | 8ffb1bcf | Gerd Hoffmann | info = qdev_find_info(NULL, driver);
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178 | 8ffb1bcf | Gerd Hoffmann | if (!info) {
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179 | 286c2321 | Gerd Hoffmann | qemu_error("Device \"%s\" not found. Try -device '?' for a list.\n",
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180 | 286c2321 | Gerd Hoffmann | driver); |
181 | 8ffb1bcf | Gerd Hoffmann | return NULL; |
182 | 8ffb1bcf | Gerd Hoffmann | } |
183 | 8ffb1bcf | Gerd Hoffmann | if (info->no_user) {
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184 | 286c2321 | Gerd Hoffmann | qemu_error("device \"%s\" can't be added via command line\n",
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185 | 286c2321 | Gerd Hoffmann | info->name); |
186 | 8ffb1bcf | Gerd Hoffmann | return NULL; |
187 | 8ffb1bcf | Gerd Hoffmann | } |
188 | 8ffb1bcf | Gerd Hoffmann | |
189 | f31d07d1 | Gerd Hoffmann | /* find bus */
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190 | f31d07d1 | Gerd Hoffmann | path = qemu_opt_get(opts, "bus");
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191 | f31d07d1 | Gerd Hoffmann | if (path != NULL) { |
192 | 8ffb1bcf | Gerd Hoffmann | bus = qbus_find(path); |
193 | 8ffb1bcf | Gerd Hoffmann | } else {
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194 | 8ffb1bcf | Gerd Hoffmann | bus = qbus_find_recursive(main_system_bus, NULL, info->bus_info);
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195 | 8ffb1bcf | Gerd Hoffmann | } |
196 | 75570088 | Gerd Hoffmann | if (!bus) {
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197 | 75570088 | Gerd Hoffmann | qemu_error("Did not find %s bus for %s\n",
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198 | 75570088 | Gerd Hoffmann | path ? path : info->bus_info->name, info->name); |
199 | f31d07d1 | Gerd Hoffmann | return NULL; |
200 | 75570088 | Gerd Hoffmann | } |
201 | 3418bd25 | Gerd Hoffmann | if (qdev_hotplug && !bus->allow_hotplug) {
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202 | 3418bd25 | Gerd Hoffmann | qemu_error("Bus %s does not support hotplugging\n",
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203 | 3418bd25 | Gerd Hoffmann | bus->name); |
204 | 3418bd25 | Gerd Hoffmann | return NULL; |
205 | 3418bd25 | Gerd Hoffmann | } |
206 | 8ffb1bcf | Gerd Hoffmann | |
207 | f31d07d1 | Gerd Hoffmann | /* create device, set properties */
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208 | f31d07d1 | Gerd Hoffmann | qdev = qdev_create(bus, driver); |
209 | f31d07d1 | Gerd Hoffmann | id = qemu_opts_id(opts); |
210 | f31d07d1 | Gerd Hoffmann | if (id) {
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211 | f31d07d1 | Gerd Hoffmann | qdev->id = id; |
212 | f31d07d1 | Gerd Hoffmann | } |
213 | f31d07d1 | Gerd Hoffmann | if (qemu_opt_foreach(opts, set_property, qdev, 1) != 0) { |
214 | f31d07d1 | Gerd Hoffmann | qdev_free(qdev); |
215 | f31d07d1 | Gerd Hoffmann | return NULL; |
216 | 8ffb1bcf | Gerd Hoffmann | } |
217 | 81a322d4 | Gerd Hoffmann | if (qdev_init(qdev) != 0) { |
218 | c8cd1fcd | Amit Shah | qemu_error("Error initializing device %s\n", driver);
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219 | 81a322d4 | Gerd Hoffmann | return NULL; |
220 | 81a322d4 | Gerd Hoffmann | } |
221 | ef80b466 | Gerd Hoffmann | qdev->opts = opts; |
222 | 8ffb1bcf | Gerd Hoffmann | return qdev;
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223 | 8ffb1bcf | Gerd Hoffmann | } |
224 | 8ffb1bcf | Gerd Hoffmann | |
225 | 7f23f812 | Michael S. Tsirkin | static void qdev_reset(void *opaque) |
226 | 7f23f812 | Michael S. Tsirkin | { |
227 | 7f23f812 | Michael S. Tsirkin | DeviceState *dev = opaque; |
228 | 7f23f812 | Michael S. Tsirkin | if (dev->info->reset)
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229 | 7f23f812 | Michael S. Tsirkin | dev->info->reset(dev); |
230 | 7f23f812 | Michael S. Tsirkin | } |
231 | 7f23f812 | Michael S. Tsirkin | |
232 | aae9460e | Paul Brook | /* Initialize a device. Device properties should be set before calling
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233 | aae9460e | Paul Brook | this function. IRQs and MMIO regions should be connected/mapped after
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234 | 18cfeb52 | Markus Armbruster | calling this function.
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235 | 18cfeb52 | Markus Armbruster | On failure, destroy the device and return negative value.
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236 | 18cfeb52 | Markus Armbruster | Return 0 on success. */
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237 | 81a322d4 | Gerd Hoffmann | int qdev_init(DeviceState *dev)
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238 | aae9460e | Paul Brook | { |
239 | 959f733a | Gerd Hoffmann | int rc;
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240 | 959f733a | Gerd Hoffmann | |
241 | 131ec1bd | Gerd Hoffmann | assert(dev->state == DEV_STATE_CREATED); |
242 | 959f733a | Gerd Hoffmann | rc = dev->info->init(dev, dev->info); |
243 | 18cfeb52 | Markus Armbruster | if (rc < 0) { |
244 | 18cfeb52 | Markus Armbruster | qdev_free(dev); |
245 | 959f733a | Gerd Hoffmann | return rc;
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246 | 18cfeb52 | Markus Armbruster | } |
247 | 7f23f812 | Michael S. Tsirkin | qemu_register_reset(qdev_reset, dev); |
248 | 391a079e | Gerd Hoffmann | if (dev->info->vmsd)
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249 | 391a079e | Gerd Hoffmann | vmstate_register(-1, dev->info->vmsd, dev);
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250 | 131ec1bd | Gerd Hoffmann | dev->state = DEV_STATE_INITIALIZED; |
251 | 959f733a | Gerd Hoffmann | return 0; |
252 | 02e2da45 | Paul Brook | } |
253 | 02e2da45 | Paul Brook | |
254 | 3418bd25 | Gerd Hoffmann | int qdev_unplug(DeviceState *dev)
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255 | 3418bd25 | Gerd Hoffmann | { |
256 | 3418bd25 | Gerd Hoffmann | if (!dev->parent_bus->allow_hotplug) {
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257 | 3418bd25 | Gerd Hoffmann | qemu_error("Bus %s does not support hotplugging\n",
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258 | 3418bd25 | Gerd Hoffmann | dev->parent_bus->name); |
259 | 3418bd25 | Gerd Hoffmann | return -1; |
260 | 3418bd25 | Gerd Hoffmann | } |
261 | 3418bd25 | Gerd Hoffmann | return dev->info->unplug(dev);
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262 | 3418bd25 | Gerd Hoffmann | } |
263 | 3418bd25 | Gerd Hoffmann | |
264 | 3418bd25 | Gerd Hoffmann | /* can be used as ->unplug() callback for the simple cases */
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265 | 3418bd25 | Gerd Hoffmann | int qdev_simple_unplug_cb(DeviceState *dev)
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266 | 3418bd25 | Gerd Hoffmann | { |
267 | 3418bd25 | Gerd Hoffmann | /* just zap it */
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268 | 3418bd25 | Gerd Hoffmann | qdev_free(dev); |
269 | 3418bd25 | Gerd Hoffmann | return 0; |
270 | 3418bd25 | Gerd Hoffmann | } |
271 | 3418bd25 | Gerd Hoffmann | |
272 | 02e2da45 | Paul Brook | /* Unlink device from bus and free the structure. */
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273 | 02e2da45 | Paul Brook | void qdev_free(DeviceState *dev)
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274 | 02e2da45 | Paul Brook | { |
275 | 131ec1bd | Gerd Hoffmann | BusState *bus; |
276 | 131ec1bd | Gerd Hoffmann | |
277 | 131ec1bd | Gerd Hoffmann | if (dev->state == DEV_STATE_INITIALIZED) {
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278 | 131ec1bd | Gerd Hoffmann | while (dev->num_child_bus) {
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279 | 131ec1bd | Gerd Hoffmann | bus = QLIST_FIRST(&dev->child_bus); |
280 | 131ec1bd | Gerd Hoffmann | qbus_free(bus); |
281 | 131ec1bd | Gerd Hoffmann | } |
282 | 391a079e | Gerd Hoffmann | #if 0 /* FIXME: need sane vmstate_unregister function */
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283 | 131ec1bd | Gerd Hoffmann | if (dev->info->vmsd)
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284 | 131ec1bd | Gerd Hoffmann | vmstate_unregister(dev->info->vmsd, dev);
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285 | 391a079e | Gerd Hoffmann | #endif
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286 | d29275f1 | Gerd Hoffmann | if (dev->info->exit)
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287 | d29275f1 | Gerd Hoffmann | dev->info->exit(dev); |
288 | ef80b466 | Gerd Hoffmann | if (dev->opts)
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289 | ef80b466 | Gerd Hoffmann | qemu_opts_del(dev->opts); |
290 | 131ec1bd | Gerd Hoffmann | } |
291 | 7f23f812 | Michael S. Tsirkin | qemu_unregister_reset(qdev_reset, dev); |
292 | 72cf2d4f | Blue Swirl | QLIST_REMOVE(dev, sibling); |
293 | ccb63de3 | Gerd Hoffmann | qemu_free(dev); |
294 | aae9460e | Paul Brook | } |
295 | aae9460e | Paul Brook | |
296 | 3418bd25 | Gerd Hoffmann | void qdev_machine_creation_done(void) |
297 | 3418bd25 | Gerd Hoffmann | { |
298 | 3418bd25 | Gerd Hoffmann | /*
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299 | 3418bd25 | Gerd Hoffmann | * ok, initial machine setup is done, starting from now we can
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300 | 3418bd25 | Gerd Hoffmann | * only create hotpluggable devices
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301 | 3418bd25 | Gerd Hoffmann | */
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302 | 3418bd25 | Gerd Hoffmann | qdev_hotplug = 1;
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303 | 3418bd25 | Gerd Hoffmann | } |
304 | 3418bd25 | Gerd Hoffmann | |
305 | aae9460e | Paul Brook | /* Get a character (serial) device interface. */
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306 | aae9460e | Paul Brook | CharDriverState *qdev_init_chardev(DeviceState *dev) |
307 | aae9460e | Paul Brook | { |
308 | aae9460e | Paul Brook | static int next_serial; |
309 | aae9460e | Paul Brook | static int next_virtconsole; |
310 | aae9460e | Paul Brook | /* FIXME: This is a nasty hack that needs to go away. */
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311 | 042f84d0 | Gerd Hoffmann | if (strncmp(dev->info->name, "virtio", 6) == 0) { |
312 | aae9460e | Paul Brook | return virtcon_hds[next_virtconsole++];
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313 | aae9460e | Paul Brook | } else {
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314 | aae9460e | Paul Brook | return serial_hds[next_serial++];
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315 | aae9460e | Paul Brook | } |
316 | aae9460e | Paul Brook | } |
317 | aae9460e | Paul Brook | |
318 | 02e2da45 | Paul Brook | BusState *qdev_get_parent_bus(DeviceState *dev) |
319 | aae9460e | Paul Brook | { |
320 | 02e2da45 | Paul Brook | return dev->parent_bus;
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321 | aae9460e | Paul Brook | } |
322 | aae9460e | Paul Brook | |
323 | aae9460e | Paul Brook | void qdev_init_gpio_in(DeviceState *dev, qemu_irq_handler handler, int n) |
324 | aae9460e | Paul Brook | { |
325 | aae9460e | Paul Brook | assert(dev->num_gpio_in == 0);
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326 | aae9460e | Paul Brook | dev->num_gpio_in = n; |
327 | aae9460e | Paul Brook | dev->gpio_in = qemu_allocate_irqs(handler, dev, n); |
328 | aae9460e | Paul Brook | } |
329 | aae9460e | Paul Brook | |
330 | aae9460e | Paul Brook | void qdev_init_gpio_out(DeviceState *dev, qemu_irq *pins, int n) |
331 | aae9460e | Paul Brook | { |
332 | aae9460e | Paul Brook | assert(dev->num_gpio_out == 0);
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333 | aae9460e | Paul Brook | dev->num_gpio_out = n; |
334 | aae9460e | Paul Brook | dev->gpio_out = pins; |
335 | aae9460e | Paul Brook | } |
336 | aae9460e | Paul Brook | |
337 | aae9460e | Paul Brook | qemu_irq qdev_get_gpio_in(DeviceState *dev, int n)
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338 | aae9460e | Paul Brook | { |
339 | aae9460e | Paul Brook | assert(n >= 0 && n < dev->num_gpio_in);
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340 | aae9460e | Paul Brook | return dev->gpio_in[n];
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341 | aae9460e | Paul Brook | } |
342 | aae9460e | Paul Brook | |
343 | aae9460e | Paul Brook | void qdev_connect_gpio_out(DeviceState * dev, int n, qemu_irq pin) |
344 | aae9460e | Paul Brook | { |
345 | aae9460e | Paul Brook | assert(n >= 0 && n < dev->num_gpio_out);
|
346 | aae9460e | Paul Brook | dev->gpio_out[n] = pin; |
347 | aae9460e | Paul Brook | } |
348 | aae9460e | Paul Brook | |
349 | 9d07d757 | Paul Brook | VLANClientState *qdev_get_vlan_client(DeviceState *dev, |
350 | cda9046b | Mark McLoughlin | NetCanReceive *can_receive, |
351 | cda9046b | Mark McLoughlin | NetReceive *receive, |
352 | cda9046b | Mark McLoughlin | NetReceiveIOV *receive_iov, |
353 | 9d07d757 | Paul Brook | NetCleanup *cleanup, |
354 | 9d07d757 | Paul Brook | void *opaque)
|
355 | 9d07d757 | Paul Brook | { |
356 | 9d07d757 | Paul Brook | NICInfo *nd = dev->nd; |
357 | 9d07d757 | Paul Brook | assert(nd); |
358 | ae50b274 | Mark McLoughlin | nd->vc = qemu_new_vlan_client(nd->vlan, nd->model, nd->name, can_receive, |
359 | ae50b274 | Mark McLoughlin | receive, receive_iov, cleanup, opaque); |
360 | ae50b274 | Mark McLoughlin | return nd->vc;
|
361 | 9d07d757 | Paul Brook | } |
362 | 9d07d757 | Paul Brook | |
363 | 9d07d757 | Paul Brook | |
364 | 9d07d757 | Paul Brook | void qdev_get_macaddr(DeviceState *dev, uint8_t *macaddr)
|
365 | 9d07d757 | Paul Brook | { |
366 | 9d07d757 | Paul Brook | memcpy(macaddr, dev->nd->macaddr, 6);
|
367 | 9d07d757 | Paul Brook | } |
368 | 9d07d757 | Paul Brook | |
369 | aae9460e | Paul Brook | static int next_block_unit[IF_COUNT]; |
370 | aae9460e | Paul Brook | |
371 | aae9460e | Paul Brook | /* Get a block device. This should only be used for single-drive devices
|
372 | aae9460e | Paul Brook | (e.g. SD/Floppy/MTD). Multi-disk devices (scsi/ide) should use the
|
373 | aae9460e | Paul Brook | appropriate bus. */
|
374 | aae9460e | Paul Brook | BlockDriverState *qdev_init_bdrv(DeviceState *dev, BlockInterfaceType type) |
375 | aae9460e | Paul Brook | { |
376 | aae9460e | Paul Brook | int unit = next_block_unit[type]++;
|
377 | 751c6a17 | Gerd Hoffmann | DriveInfo *dinfo; |
378 | aae9460e | Paul Brook | |
379 | 751c6a17 | Gerd Hoffmann | dinfo = drive_get(type, 0, unit);
|
380 | 751c6a17 | Gerd Hoffmann | return dinfo ? dinfo->bdrv : NULL; |
381 | aae9460e | Paul Brook | } |
382 | 4d6ae674 | Paul Brook | |
383 | 02e2da45 | Paul Brook | BusState *qdev_get_child_bus(DeviceState *dev, const char *name) |
384 | 4d6ae674 | Paul Brook | { |
385 | 02e2da45 | Paul Brook | BusState *bus; |
386 | 4d6ae674 | Paul Brook | |
387 | 72cf2d4f | Blue Swirl | QLIST_FOREACH(bus, &dev->child_bus, sibling) { |
388 | 4d6ae674 | Paul Brook | if (strcmp(name, bus->name) == 0) { |
389 | 02e2da45 | Paul Brook | return bus;
|
390 | 4d6ae674 | Paul Brook | } |
391 | 4d6ae674 | Paul Brook | } |
392 | 4d6ae674 | Paul Brook | return NULL; |
393 | 4d6ae674 | Paul Brook | } |
394 | 4d6ae674 | Paul Brook | |
395 | 8ffb1bcf | Gerd Hoffmann | static BusState *qbus_find_recursive(BusState *bus, const char *name, |
396 | 8ffb1bcf | Gerd Hoffmann | const BusInfo *info)
|
397 | 8ffb1bcf | Gerd Hoffmann | { |
398 | 8ffb1bcf | Gerd Hoffmann | DeviceState *dev; |
399 | 8ffb1bcf | Gerd Hoffmann | BusState *child, *ret; |
400 | 8ffb1bcf | Gerd Hoffmann | int match = 1; |
401 | 8ffb1bcf | Gerd Hoffmann | |
402 | 8ffb1bcf | Gerd Hoffmann | if (name && (strcmp(bus->name, name) != 0)) { |
403 | 8ffb1bcf | Gerd Hoffmann | match = 0;
|
404 | 8ffb1bcf | Gerd Hoffmann | } |
405 | 8ffb1bcf | Gerd Hoffmann | if (info && (bus->info != info)) {
|
406 | 8ffb1bcf | Gerd Hoffmann | match = 0;
|
407 | 8ffb1bcf | Gerd Hoffmann | } |
408 | 8ffb1bcf | Gerd Hoffmann | if (match) {
|
409 | 8ffb1bcf | Gerd Hoffmann | return bus;
|
410 | 8ffb1bcf | Gerd Hoffmann | } |
411 | 8ffb1bcf | Gerd Hoffmann | |
412 | 72cf2d4f | Blue Swirl | QLIST_FOREACH(dev, &bus->children, sibling) { |
413 | 72cf2d4f | Blue Swirl | QLIST_FOREACH(child, &dev->child_bus, sibling) { |
414 | 8ffb1bcf | Gerd Hoffmann | ret = qbus_find_recursive(child, name, info); |
415 | 8ffb1bcf | Gerd Hoffmann | if (ret) {
|
416 | 8ffb1bcf | Gerd Hoffmann | return ret;
|
417 | 8ffb1bcf | Gerd Hoffmann | } |
418 | 8ffb1bcf | Gerd Hoffmann | } |
419 | 8ffb1bcf | Gerd Hoffmann | } |
420 | 8ffb1bcf | Gerd Hoffmann | return NULL; |
421 | 8ffb1bcf | Gerd Hoffmann | } |
422 | 8ffb1bcf | Gerd Hoffmann | |
423 | 3418bd25 | Gerd Hoffmann | static DeviceState *qdev_find_recursive(BusState *bus, const char *id) |
424 | 3418bd25 | Gerd Hoffmann | { |
425 | 3418bd25 | Gerd Hoffmann | DeviceState *dev, *ret; |
426 | 3418bd25 | Gerd Hoffmann | BusState *child; |
427 | 3418bd25 | Gerd Hoffmann | |
428 | 3418bd25 | Gerd Hoffmann | QLIST_FOREACH(dev, &bus->children, sibling) { |
429 | 3418bd25 | Gerd Hoffmann | if (dev->id && strcmp(dev->id, id) == 0) |
430 | 3418bd25 | Gerd Hoffmann | return dev;
|
431 | 3418bd25 | Gerd Hoffmann | QLIST_FOREACH(child, &dev->child_bus, sibling) { |
432 | 3418bd25 | Gerd Hoffmann | ret = qdev_find_recursive(child, id); |
433 | 3418bd25 | Gerd Hoffmann | if (ret) {
|
434 | 3418bd25 | Gerd Hoffmann | return ret;
|
435 | 3418bd25 | Gerd Hoffmann | } |
436 | 3418bd25 | Gerd Hoffmann | } |
437 | 3418bd25 | Gerd Hoffmann | } |
438 | 3418bd25 | Gerd Hoffmann | return NULL; |
439 | 3418bd25 | Gerd Hoffmann | } |
440 | 3418bd25 | Gerd Hoffmann | |
441 | 8ffb1bcf | Gerd Hoffmann | static void qbus_list_bus(DeviceState *dev, char *dest, int len) |
442 | 8ffb1bcf | Gerd Hoffmann | { |
443 | 8ffb1bcf | Gerd Hoffmann | BusState *child; |
444 | 8ffb1bcf | Gerd Hoffmann | const char *sep = " "; |
445 | 8ffb1bcf | Gerd Hoffmann | int pos = 0; |
446 | 8ffb1bcf | Gerd Hoffmann | |
447 | 8ffb1bcf | Gerd Hoffmann | pos += snprintf(dest+pos, len-pos,"child busses at \"%s\":",
|
448 | 8ffb1bcf | Gerd Hoffmann | dev->id ? dev->id : dev->info->name); |
449 | 72cf2d4f | Blue Swirl | QLIST_FOREACH(child, &dev->child_bus, sibling) { |
450 | 8ffb1bcf | Gerd Hoffmann | pos += snprintf(dest+pos, len-pos, "%s\"%s\"", sep, child->name);
|
451 | 8ffb1bcf | Gerd Hoffmann | sep = ", ";
|
452 | 8ffb1bcf | Gerd Hoffmann | } |
453 | 8ffb1bcf | Gerd Hoffmann | } |
454 | 8ffb1bcf | Gerd Hoffmann | |
455 | 8ffb1bcf | Gerd Hoffmann | static void qbus_list_dev(BusState *bus, char *dest, int len) |
456 | 8ffb1bcf | Gerd Hoffmann | { |
457 | 8ffb1bcf | Gerd Hoffmann | DeviceState *dev; |
458 | 8ffb1bcf | Gerd Hoffmann | const char *sep = " "; |
459 | 8ffb1bcf | Gerd Hoffmann | int pos = 0; |
460 | 8ffb1bcf | Gerd Hoffmann | |
461 | 8ffb1bcf | Gerd Hoffmann | pos += snprintf(dest+pos, len-pos, "devices at \"%s\":",
|
462 | 8ffb1bcf | Gerd Hoffmann | bus->name); |
463 | 72cf2d4f | Blue Swirl | QLIST_FOREACH(dev, &bus->children, sibling) { |
464 | 8ffb1bcf | Gerd Hoffmann | pos += snprintf(dest+pos, len-pos, "%s\"%s\"",
|
465 | 8ffb1bcf | Gerd Hoffmann | sep, dev->info->name); |
466 | 8ffb1bcf | Gerd Hoffmann | if (dev->id)
|
467 | 8ffb1bcf | Gerd Hoffmann | pos += snprintf(dest+pos, len-pos, "/\"%s\"", dev->id);
|
468 | 8ffb1bcf | Gerd Hoffmann | sep = ", ";
|
469 | 8ffb1bcf | Gerd Hoffmann | } |
470 | 8ffb1bcf | Gerd Hoffmann | } |
471 | 8ffb1bcf | Gerd Hoffmann | |
472 | 8ffb1bcf | Gerd Hoffmann | static BusState *qbus_find_bus(DeviceState *dev, char *elem) |
473 | 8ffb1bcf | Gerd Hoffmann | { |
474 | 8ffb1bcf | Gerd Hoffmann | BusState *child; |
475 | 8ffb1bcf | Gerd Hoffmann | |
476 | 72cf2d4f | Blue Swirl | QLIST_FOREACH(child, &dev->child_bus, sibling) { |
477 | 8ffb1bcf | Gerd Hoffmann | if (strcmp(child->name, elem) == 0) { |
478 | 8ffb1bcf | Gerd Hoffmann | return child;
|
479 | 8ffb1bcf | Gerd Hoffmann | } |
480 | 8ffb1bcf | Gerd Hoffmann | } |
481 | 8ffb1bcf | Gerd Hoffmann | return NULL; |
482 | 8ffb1bcf | Gerd Hoffmann | } |
483 | 8ffb1bcf | Gerd Hoffmann | |
484 | 8ffb1bcf | Gerd Hoffmann | static DeviceState *qbus_find_dev(BusState *bus, char *elem) |
485 | 8ffb1bcf | Gerd Hoffmann | { |
486 | 8ffb1bcf | Gerd Hoffmann | DeviceState *dev; |
487 | 8ffb1bcf | Gerd Hoffmann | |
488 | 8ffb1bcf | Gerd Hoffmann | /*
|
489 | 8ffb1bcf | Gerd Hoffmann | * try to match in order:
|
490 | 8ffb1bcf | Gerd Hoffmann | * (1) instance id, if present
|
491 | 8ffb1bcf | Gerd Hoffmann | * (2) driver name
|
492 | 8ffb1bcf | Gerd Hoffmann | * (3) driver alias, if present
|
493 | 8ffb1bcf | Gerd Hoffmann | */
|
494 | 72cf2d4f | Blue Swirl | QLIST_FOREACH(dev, &bus->children, sibling) { |
495 | 8ffb1bcf | Gerd Hoffmann | if (dev->id && strcmp(dev->id, elem) == 0) { |
496 | 8ffb1bcf | Gerd Hoffmann | return dev;
|
497 | 8ffb1bcf | Gerd Hoffmann | } |
498 | 8ffb1bcf | Gerd Hoffmann | } |
499 | 72cf2d4f | Blue Swirl | QLIST_FOREACH(dev, &bus->children, sibling) { |
500 | 8ffb1bcf | Gerd Hoffmann | if (strcmp(dev->info->name, elem) == 0) { |
501 | 8ffb1bcf | Gerd Hoffmann | return dev;
|
502 | 8ffb1bcf | Gerd Hoffmann | } |
503 | 8ffb1bcf | Gerd Hoffmann | } |
504 | 72cf2d4f | Blue Swirl | QLIST_FOREACH(dev, &bus->children, sibling) { |
505 | 8ffb1bcf | Gerd Hoffmann | if (dev->info->alias && strcmp(dev->info->alias, elem) == 0) { |
506 | 8ffb1bcf | Gerd Hoffmann | return dev;
|
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 BusState *qbus_find(const char *path) |
513 | 8ffb1bcf | Gerd Hoffmann | { |
514 | 8ffb1bcf | Gerd Hoffmann | DeviceState *dev; |
515 | 8ffb1bcf | Gerd Hoffmann | BusState *bus; |
516 | 8ffb1bcf | Gerd Hoffmann | char elem[128], msg[256]; |
517 | 8ffb1bcf | Gerd Hoffmann | int pos, len;
|
518 | 8ffb1bcf | Gerd Hoffmann | |
519 | 8ffb1bcf | Gerd Hoffmann | /* find start element */
|
520 | 8ffb1bcf | Gerd Hoffmann | if (path[0] == '/') { |
521 | 8ffb1bcf | Gerd Hoffmann | bus = main_system_bus; |
522 | 8ffb1bcf | Gerd Hoffmann | pos = 0;
|
523 | 8ffb1bcf | Gerd Hoffmann | } else {
|
524 | 8ffb1bcf | Gerd Hoffmann | if (sscanf(path, "%127[^/]%n", elem, &len) != 1) { |
525 | 286c2321 | Gerd Hoffmann | qemu_error("path parse error (\"%s\")\n", path);
|
526 | 8ffb1bcf | Gerd Hoffmann | return NULL; |
527 | 8ffb1bcf | Gerd Hoffmann | } |
528 | 8ffb1bcf | Gerd Hoffmann | bus = qbus_find_recursive(main_system_bus, elem, NULL);
|
529 | 8ffb1bcf | Gerd Hoffmann | if (!bus) {
|
530 | 286c2321 | Gerd Hoffmann | qemu_error("bus \"%s\" not found\n", elem);
|
531 | 8ffb1bcf | Gerd Hoffmann | return NULL; |
532 | 8ffb1bcf | Gerd Hoffmann | } |
533 | 8ffb1bcf | Gerd Hoffmann | pos = len; |
534 | 8ffb1bcf | Gerd Hoffmann | } |
535 | 8ffb1bcf | Gerd Hoffmann | |
536 | 8ffb1bcf | Gerd Hoffmann | for (;;) {
|
537 | 8ffb1bcf | Gerd Hoffmann | if (path[pos] == '\0') { |
538 | 8ffb1bcf | Gerd Hoffmann | /* we are done */
|
539 | 8ffb1bcf | Gerd Hoffmann | return bus;
|
540 | 8ffb1bcf | Gerd Hoffmann | } |
541 | 8ffb1bcf | Gerd Hoffmann | |
542 | 8ffb1bcf | Gerd Hoffmann | /* find device */
|
543 | 8ffb1bcf | Gerd Hoffmann | if (sscanf(path+pos, "/%127[^/]%n", elem, &len) != 1) { |
544 | 286c2321 | Gerd Hoffmann | qemu_error("path parse error (\"%s\" pos %d)\n", path, pos);
|
545 | 8ffb1bcf | Gerd Hoffmann | return NULL; |
546 | 8ffb1bcf | Gerd Hoffmann | } |
547 | 8ffb1bcf | Gerd Hoffmann | pos += len; |
548 | 8ffb1bcf | Gerd Hoffmann | dev = qbus_find_dev(bus, elem); |
549 | 8ffb1bcf | Gerd Hoffmann | if (!dev) {
|
550 | 8ffb1bcf | Gerd Hoffmann | qbus_list_dev(bus, msg, sizeof(msg));
|
551 | 286c2321 | Gerd Hoffmann | qemu_error("device \"%s\" not found\n%s\n", elem, msg);
|
552 | 8ffb1bcf | Gerd Hoffmann | return NULL; |
553 | 8ffb1bcf | Gerd Hoffmann | } |
554 | 8ffb1bcf | Gerd Hoffmann | if (path[pos] == '\0') { |
555 | 8ffb1bcf | Gerd Hoffmann | /* last specified element is a device. If it has exactly
|
556 | 8ffb1bcf | Gerd Hoffmann | * one child bus accept it nevertheless */
|
557 | 8ffb1bcf | Gerd Hoffmann | switch (dev->num_child_bus) {
|
558 | 8ffb1bcf | Gerd Hoffmann | case 0: |
559 | 286c2321 | Gerd Hoffmann | qemu_error("device has no child bus (%s)\n", path);
|
560 | 8ffb1bcf | Gerd Hoffmann | return NULL; |
561 | 8ffb1bcf | Gerd Hoffmann | case 1: |
562 | 72cf2d4f | Blue Swirl | return QLIST_FIRST(&dev->child_bus);
|
563 | 8ffb1bcf | Gerd Hoffmann | default:
|
564 | 8ffb1bcf | Gerd Hoffmann | qbus_list_bus(dev, msg, sizeof(msg));
|
565 | 286c2321 | Gerd Hoffmann | qemu_error("device has multiple child busses (%s)\n%s\n",
|
566 | 286c2321 | Gerd Hoffmann | path, msg); |
567 | 8ffb1bcf | Gerd Hoffmann | return NULL; |
568 | 8ffb1bcf | Gerd Hoffmann | } |
569 | 8ffb1bcf | Gerd Hoffmann | } |
570 | 8ffb1bcf | Gerd Hoffmann | |
571 | 8ffb1bcf | Gerd Hoffmann | /* find bus */
|
572 | 8ffb1bcf | Gerd Hoffmann | if (sscanf(path+pos, "/%127[^/]%n", elem, &len) != 1) { |
573 | 286c2321 | Gerd Hoffmann | qemu_error("path parse error (\"%s\" pos %d)\n", path, pos);
|
574 | 8ffb1bcf | Gerd Hoffmann | return NULL; |
575 | 8ffb1bcf | Gerd Hoffmann | } |
576 | 8ffb1bcf | Gerd Hoffmann | pos += len; |
577 | 8ffb1bcf | Gerd Hoffmann | bus = qbus_find_bus(dev, elem); |
578 | 8ffb1bcf | Gerd Hoffmann | if (!bus) {
|
579 | 8ffb1bcf | Gerd Hoffmann | qbus_list_bus(dev, msg, sizeof(msg));
|
580 | 286c2321 | Gerd Hoffmann | qemu_error("child bus \"%s\" not found\n%s\n", elem, msg);
|
581 | 8ffb1bcf | Gerd Hoffmann | return NULL; |
582 | 8ffb1bcf | Gerd Hoffmann | } |
583 | 8ffb1bcf | Gerd Hoffmann | } |
584 | 8ffb1bcf | Gerd Hoffmann | } |
585 | 8ffb1bcf | Gerd Hoffmann | |
586 | cd739fb6 | Gerd Hoffmann | void qbus_create_inplace(BusState *bus, BusInfo *info,
|
587 | cd739fb6 | Gerd Hoffmann | DeviceState *parent, const char *name) |
588 | 02e2da45 | Paul Brook | { |
589 | d271de9f | Gerd Hoffmann | char *buf;
|
590 | d271de9f | Gerd Hoffmann | int i,len;
|
591 | 02e2da45 | Paul Brook | |
592 | 10c4c98a | Gerd Hoffmann | bus->info = info; |
593 | 02e2da45 | Paul Brook | bus->parent = parent; |
594 | d271de9f | Gerd Hoffmann | |
595 | d271de9f | Gerd Hoffmann | if (name) {
|
596 | d271de9f | Gerd Hoffmann | /* use supplied name */
|
597 | d271de9f | Gerd Hoffmann | bus->name = qemu_strdup(name); |
598 | d271de9f | Gerd Hoffmann | } else if (parent && parent->id) { |
599 | d271de9f | Gerd Hoffmann | /* parent device has id -> use it for bus name */
|
600 | d271de9f | Gerd Hoffmann | len = strlen(parent->id) + 16;
|
601 | d271de9f | Gerd Hoffmann | buf = qemu_malloc(len); |
602 | d271de9f | Gerd Hoffmann | snprintf(buf, len, "%s.%d", parent->id, parent->num_child_bus);
|
603 | d271de9f | Gerd Hoffmann | bus->name = buf; |
604 | d271de9f | Gerd Hoffmann | } else {
|
605 | d271de9f | Gerd Hoffmann | /* no id -> use lowercase bus type for bus name */
|
606 | d271de9f | Gerd Hoffmann | len = strlen(info->name) + 16;
|
607 | d271de9f | Gerd Hoffmann | buf = qemu_malloc(len); |
608 | d271de9f | Gerd Hoffmann | len = snprintf(buf, len, "%s.%d", info->name,
|
609 | d271de9f | Gerd Hoffmann | parent ? parent->num_child_bus : 0);
|
610 | d271de9f | Gerd Hoffmann | for (i = 0; i < len; i++) |
611 | bb87ece5 | Christoph Egger | buf[i] = qemu_tolower(buf[i]); |
612 | d271de9f | Gerd Hoffmann | bus->name = buf; |
613 | d271de9f | Gerd Hoffmann | } |
614 | d271de9f | Gerd Hoffmann | |
615 | 72cf2d4f | Blue Swirl | QLIST_INIT(&bus->children); |
616 | 02e2da45 | Paul Brook | if (parent) {
|
617 | 72cf2d4f | Blue Swirl | QLIST_INSERT_HEAD(&parent->child_bus, bus, sibling); |
618 | d271de9f | Gerd Hoffmann | parent->num_child_bus++; |
619 | 02e2da45 | Paul Brook | } |
620 | cd739fb6 | Gerd Hoffmann | |
621 | cd739fb6 | Gerd Hoffmann | } |
622 | cd739fb6 | Gerd Hoffmann | |
623 | cd739fb6 | Gerd Hoffmann | BusState *qbus_create(BusInfo *info, DeviceState *parent, const char *name) |
624 | cd739fb6 | Gerd Hoffmann | { |
625 | cd739fb6 | Gerd Hoffmann | BusState *bus; |
626 | cd739fb6 | Gerd Hoffmann | |
627 | cd739fb6 | Gerd Hoffmann | bus = qemu_mallocz(info->size); |
628 | cd739fb6 | Gerd Hoffmann | bus->qdev_allocated = 1;
|
629 | cd739fb6 | Gerd Hoffmann | qbus_create_inplace(bus, info, parent, name); |
630 | 02e2da45 | Paul Brook | return bus;
|
631 | 02e2da45 | Paul Brook | } |
632 | cae4956e | Gerd Hoffmann | |
633 | 131ec1bd | Gerd Hoffmann | void qbus_free(BusState *bus)
|
634 | 131ec1bd | Gerd Hoffmann | { |
635 | 131ec1bd | Gerd Hoffmann | DeviceState *dev; |
636 | 131ec1bd | Gerd Hoffmann | |
637 | 131ec1bd | Gerd Hoffmann | while ((dev = QLIST_FIRST(&bus->children)) != NULL) { |
638 | 131ec1bd | Gerd Hoffmann | qdev_free(dev); |
639 | 131ec1bd | Gerd Hoffmann | } |
640 | 131ec1bd | Gerd Hoffmann | if (bus->parent) {
|
641 | 131ec1bd | Gerd Hoffmann | QLIST_REMOVE(bus, sibling); |
642 | 131ec1bd | Gerd Hoffmann | bus->parent->num_child_bus--; |
643 | 131ec1bd | Gerd Hoffmann | } |
644 | 131ec1bd | Gerd Hoffmann | if (bus->qdev_allocated) {
|
645 | 131ec1bd | Gerd Hoffmann | qemu_free(bus); |
646 | 131ec1bd | Gerd Hoffmann | } |
647 | 131ec1bd | Gerd Hoffmann | } |
648 | 131ec1bd | Gerd Hoffmann | |
649 | cae4956e | Gerd Hoffmann | #define qdev_printf(fmt, ...) monitor_printf(mon, "%*s" fmt, indent, "", ## __VA_ARGS__) |
650 | cae4956e | Gerd Hoffmann | static void qbus_print(Monitor *mon, BusState *bus, int indent); |
651 | cae4956e | Gerd Hoffmann | |
652 | ee6847d1 | Gerd Hoffmann | static void qdev_print_props(Monitor *mon, DeviceState *dev, Property *props, |
653 | ee6847d1 | Gerd Hoffmann | const char *prefix, int indent) |
654 | ee6847d1 | Gerd Hoffmann | { |
655 | ee6847d1 | Gerd Hoffmann | char buf[64]; |
656 | ee6847d1 | Gerd Hoffmann | |
657 | ee6847d1 | Gerd Hoffmann | if (!props)
|
658 | ee6847d1 | Gerd Hoffmann | return;
|
659 | ee6847d1 | Gerd Hoffmann | while (props->name) {
|
660 | ee6847d1 | Gerd Hoffmann | if (props->info->print) {
|
661 | ee6847d1 | Gerd Hoffmann | props->info->print(dev, props, buf, sizeof(buf));
|
662 | ee6847d1 | Gerd Hoffmann | qdev_printf("%s-prop: %s = %s\n", prefix, props->name, buf);
|
663 | ee6847d1 | Gerd Hoffmann | } |
664 | ee6847d1 | Gerd Hoffmann | props++; |
665 | ee6847d1 | Gerd Hoffmann | } |
666 | ee6847d1 | Gerd Hoffmann | } |
667 | ee6847d1 | Gerd Hoffmann | |
668 | cae4956e | Gerd Hoffmann | static void qdev_print(Monitor *mon, DeviceState *dev, int indent) |
669 | cae4956e | Gerd Hoffmann | { |
670 | cae4956e | Gerd Hoffmann | BusState *child; |
671 | ccb63de3 | Gerd Hoffmann | qdev_printf("dev: %s, id \"%s\"\n", dev->info->name,
|
672 | ccb63de3 | Gerd Hoffmann | dev->id ? dev->id : "");
|
673 | cae4956e | Gerd Hoffmann | indent += 2;
|
674 | cae4956e | Gerd Hoffmann | if (dev->num_gpio_in) {
|
675 | cae4956e | Gerd Hoffmann | qdev_printf("gpio-in %d\n", dev->num_gpio_in);
|
676 | cae4956e | Gerd Hoffmann | } |
677 | cae4956e | Gerd Hoffmann | if (dev->num_gpio_out) {
|
678 | cae4956e | Gerd Hoffmann | qdev_printf("gpio-out %d\n", dev->num_gpio_out);
|
679 | cae4956e | Gerd Hoffmann | } |
680 | ee6847d1 | Gerd Hoffmann | qdev_print_props(mon, dev, dev->info->props, "dev", indent);
|
681 | ee6847d1 | Gerd Hoffmann | qdev_print_props(mon, dev, dev->parent_bus->info->props, "bus", indent);
|
682 | 10c4c98a | Gerd Hoffmann | if (dev->parent_bus->info->print_dev)
|
683 | 10c4c98a | Gerd Hoffmann | dev->parent_bus->info->print_dev(mon, dev, indent); |
684 | 72cf2d4f | Blue Swirl | QLIST_FOREACH(child, &dev->child_bus, sibling) { |
685 | cae4956e | Gerd Hoffmann | qbus_print(mon, child, indent); |
686 | cae4956e | Gerd Hoffmann | } |
687 | cae4956e | Gerd Hoffmann | } |
688 | cae4956e | Gerd Hoffmann | |
689 | cae4956e | Gerd Hoffmann | static void qbus_print(Monitor *mon, BusState *bus, int indent) |
690 | cae4956e | Gerd Hoffmann | { |
691 | cae4956e | Gerd Hoffmann | struct DeviceState *dev;
|
692 | cae4956e | Gerd Hoffmann | |
693 | cae4956e | Gerd Hoffmann | qdev_printf("bus: %s\n", bus->name);
|
694 | cae4956e | Gerd Hoffmann | indent += 2;
|
695 | 10c4c98a | Gerd Hoffmann | qdev_printf("type %s\n", bus->info->name);
|
696 | 72cf2d4f | Blue Swirl | QLIST_FOREACH(dev, &bus->children, sibling) { |
697 | cae4956e | Gerd Hoffmann | qdev_print(mon, dev, indent); |
698 | cae4956e | Gerd Hoffmann | } |
699 | cae4956e | Gerd Hoffmann | } |
700 | cae4956e | Gerd Hoffmann | #undef qdev_printf
|
701 | cae4956e | Gerd Hoffmann | |
702 | cae4956e | Gerd Hoffmann | void do_info_qtree(Monitor *mon)
|
703 | cae4956e | Gerd Hoffmann | { |
704 | cae4956e | Gerd Hoffmann | if (main_system_bus)
|
705 | cae4956e | Gerd Hoffmann | qbus_print(mon, main_system_bus, 0);
|
706 | cae4956e | Gerd Hoffmann | } |
707 | 9316d30f | Gerd Hoffmann | |
708 | f6c64e0e | Gerd Hoffmann | void do_info_qdm(Monitor *mon)
|
709 | 9316d30f | Gerd Hoffmann | { |
710 | 9316d30f | Gerd Hoffmann | DeviceInfo *info; |
711 | 9316d30f | Gerd Hoffmann | char msg[256]; |
712 | 9316d30f | Gerd Hoffmann | |
713 | 9316d30f | Gerd Hoffmann | for (info = device_info_list; info != NULL; info = info->next) { |
714 | 9316d30f | Gerd Hoffmann | qdev_print_devinfo(info, msg, sizeof(msg));
|
715 | 9316d30f | Gerd Hoffmann | monitor_printf(mon, "%s\n", msg);
|
716 | 9316d30f | Gerd Hoffmann | } |
717 | 9316d30f | Gerd Hoffmann | } |
718 | 3418bd25 | Gerd Hoffmann | |
719 | 3418bd25 | Gerd Hoffmann | void do_device_add(Monitor *mon, const QDict *qdict) |
720 | 3418bd25 | Gerd Hoffmann | { |
721 | 3418bd25 | Gerd Hoffmann | QemuOpts *opts; |
722 | 3418bd25 | Gerd Hoffmann | |
723 | 3418bd25 | Gerd Hoffmann | opts = qemu_opts_parse(&qemu_device_opts, |
724 | 3418bd25 | Gerd Hoffmann | qdict_get_str(qdict, "config"), "driver"); |
725 | 3418bd25 | Gerd Hoffmann | if (opts)
|
726 | 3418bd25 | Gerd Hoffmann | qdev_device_add(opts); |
727 | 3418bd25 | Gerd Hoffmann | } |
728 | 3418bd25 | Gerd Hoffmann | |
729 | 3418bd25 | Gerd Hoffmann | void do_device_del(Monitor *mon, const QDict *qdict) |
730 | 3418bd25 | Gerd Hoffmann | { |
731 | 3418bd25 | Gerd Hoffmann | const char *id = qdict_get_str(qdict, "id"); |
732 | 3418bd25 | Gerd Hoffmann | DeviceState *dev; |
733 | 3418bd25 | Gerd Hoffmann | |
734 | 3418bd25 | Gerd Hoffmann | dev = qdev_find_recursive(main_system_bus, id); |
735 | 3418bd25 | Gerd Hoffmann | if (NULL == dev) { |
736 | 3418bd25 | Gerd Hoffmann | qemu_error("Device '%s' not found\n", id);
|
737 | 3418bd25 | Gerd Hoffmann | return;
|
738 | 3418bd25 | Gerd Hoffmann | } |
739 | 3418bd25 | Gerd Hoffmann | qdev_unplug(dev); |
740 | 3418bd25 | Gerd Hoffmann | } |