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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 | 0ac8ef71 | Alex Williamson | static bool qdev_hot_added = false; |
35 | 0ac8ef71 | Alex Williamson | static bool qdev_hot_removed = false; |
36 | 3418bd25 | Gerd Hoffmann | |
37 | cdaed7c7 | Gerd Hoffmann | /* This is a nasty hack to allow passing a NULL bus to qdev_create. */
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38 | b9aaf7f8 | Blue Swirl | static BusState *main_system_bus;
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39 | 2da8bb92 | Isaku Yamahata | static void main_system_bus_create(void); |
40 | 4d6ae674 | Paul Brook | |
41 | 0958b4cc | Gerd Hoffmann | DeviceInfo *device_info_list; |
42 | aae9460e | Paul Brook | |
43 | 8ffb1bcf | Gerd Hoffmann | static BusState *qbus_find_recursive(BusState *bus, const char *name, |
44 | 8ffb1bcf | Gerd Hoffmann | const BusInfo *info);
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45 | 8ffb1bcf | Gerd Hoffmann | static BusState *qbus_find(const char *path); |
46 | 8ffb1bcf | Gerd Hoffmann | |
47 | aae9460e | Paul Brook | /* Register a new device type. */
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48 | 074f2fff | Gerd Hoffmann | void qdev_register(DeviceInfo *info)
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49 | aae9460e | Paul Brook | { |
50 | 074f2fff | Gerd Hoffmann | assert(info->size >= sizeof(DeviceState));
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51 | 042f84d0 | Gerd Hoffmann | assert(!info->next); |
52 | aae9460e | Paul Brook | |
53 | 042f84d0 | Gerd Hoffmann | info->next = device_info_list; |
54 | 042f84d0 | Gerd Hoffmann | device_info_list = info; |
55 | aae9460e | Paul Brook | } |
56 | aae9460e | Paul Brook | |
57 | 81ebb98b | Gerd Hoffmann | static DeviceInfo *qdev_find_info(BusInfo *bus_info, const char *name) |
58 | 81ebb98b | Gerd Hoffmann | { |
59 | 81ebb98b | Gerd Hoffmann | DeviceInfo *info; |
60 | 81ebb98b | Gerd Hoffmann | |
61 | 3320e56e | Gerd Hoffmann | /* first check device names */
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62 | 81ebb98b | Gerd Hoffmann | for (info = device_info_list; info != NULL; info = info->next) { |
63 | 81ebb98b | Gerd Hoffmann | if (bus_info && info->bus_info != bus_info)
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64 | 81ebb98b | Gerd Hoffmann | continue;
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65 | 81ebb98b | Gerd Hoffmann | if (strcmp(info->name, name) != 0) |
66 | 81ebb98b | Gerd Hoffmann | continue;
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67 | 81ebb98b | Gerd Hoffmann | return info;
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68 | 81ebb98b | Gerd Hoffmann | } |
69 | 3320e56e | Gerd Hoffmann | |
70 | 3320e56e | Gerd Hoffmann | /* failing that check the aliases */
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71 | 3320e56e | Gerd Hoffmann | for (info = device_info_list; info != NULL; info = info->next) { |
72 | 3320e56e | Gerd Hoffmann | if (bus_info && info->bus_info != bus_info)
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73 | 3320e56e | Gerd Hoffmann | continue;
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74 | 3320e56e | Gerd Hoffmann | if (!info->alias)
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75 | 3320e56e | Gerd Hoffmann | continue;
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76 | 3320e56e | Gerd Hoffmann | if (strcmp(info->alias, name) != 0) |
77 | 3320e56e | Gerd Hoffmann | continue;
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78 | 3320e56e | Gerd Hoffmann | return info;
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79 | 3320e56e | Gerd Hoffmann | } |
80 | 81ebb98b | Gerd Hoffmann | return NULL; |
81 | 81ebb98b | Gerd Hoffmann | } |
82 | 81ebb98b | Gerd Hoffmann | |
83 | 0c17542d | Markus Armbruster | static DeviceState *qdev_create_from_info(BusState *bus, DeviceInfo *info)
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84 | 0c17542d | Markus Armbruster | { |
85 | 0c17542d | Markus Armbruster | DeviceState *dev; |
86 | 0c17542d | Markus Armbruster | |
87 | 0c17542d | Markus Armbruster | assert(bus->info == info->bus_info); |
88 | 7267c094 | Anthony Liguori | dev = g_malloc0(info->size); |
89 | 0c17542d | Markus Armbruster | dev->info = info; |
90 | 0c17542d | Markus Armbruster | dev->parent_bus = bus; |
91 | 0c17542d | Markus Armbruster | qdev_prop_set_defaults(dev, dev->info->props); |
92 | 0c17542d | Markus Armbruster | qdev_prop_set_defaults(dev, dev->parent_bus->info->props); |
93 | 0c17542d | Markus Armbruster | qdev_prop_set_globals(dev); |
94 | d8bb00d6 | Paolo Bonzini | QTAILQ_INSERT_HEAD(&bus->children, dev, sibling); |
95 | 0c17542d | Markus Armbruster | if (qdev_hotplug) {
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96 | 0c17542d | Markus Armbruster | assert(bus->allow_hotplug); |
97 | 0c17542d | Markus Armbruster | dev->hotplugged = 1;
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98 | 0ac8ef71 | Alex Williamson | qdev_hot_added = true;
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99 | 0c17542d | Markus Armbruster | } |
100 | 4d2ffa08 | Jan Kiszka | dev->instance_id_alias = -1;
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101 | 44677ded | Anthony Liguori | QTAILQ_INIT(&dev->properties); |
102 | 0c17542d | Markus Armbruster | dev->state = DEV_STATE_CREATED; |
103 | 0c17542d | Markus Armbruster | return dev;
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104 | 0c17542d | Markus Armbruster | } |
105 | 0c17542d | Markus Armbruster | |
106 | aae9460e | Paul Brook | /* Create a new device. This only initializes the device state structure
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107 | aae9460e | Paul Brook | and allows properties to be set. qdev_init should be called to
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108 | aae9460e | Paul Brook | initialize the actual device emulation. */
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109 | 02e2da45 | Paul Brook | DeviceState *qdev_create(BusState *bus, const char *name) |
110 | aae9460e | Paul Brook | { |
111 | 0bcdeda7 | Blue Swirl | DeviceState *dev; |
112 | 0bcdeda7 | Blue Swirl | |
113 | 0bcdeda7 | Blue Swirl | dev = qdev_try_create(bus, name); |
114 | 0bcdeda7 | Blue Swirl | if (!dev) {
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115 | e92714c7 | Peter Maydell | if (bus) {
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116 | e92714c7 | Peter Maydell | hw_error("Unknown device '%s' for bus '%s'\n", name,
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117 | e92714c7 | Peter Maydell | bus->info->name); |
118 | e92714c7 | Peter Maydell | } else {
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119 | e92714c7 | Peter Maydell | hw_error("Unknown device '%s' for default sysbus\n", name);
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120 | e92714c7 | Peter Maydell | } |
121 | 0bcdeda7 | Blue Swirl | } |
122 | 0bcdeda7 | Blue Swirl | |
123 | 0bcdeda7 | Blue Swirl | return dev;
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124 | 0bcdeda7 | Blue Swirl | } |
125 | 0bcdeda7 | Blue Swirl | |
126 | 0bcdeda7 | Blue Swirl | DeviceState *qdev_try_create(BusState *bus, const char *name) |
127 | 0bcdeda7 | Blue Swirl | { |
128 | 042f84d0 | Gerd Hoffmann | DeviceInfo *info; |
129 | aae9460e | Paul Brook | |
130 | 10c4c98a | Gerd Hoffmann | if (!bus) {
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131 | 68694897 | Stefan Weil | bus = sysbus_get_default(); |
132 | 10c4c98a | Gerd Hoffmann | } |
133 | 10c4c98a | Gerd Hoffmann | |
134 | 81ebb98b | Gerd Hoffmann | info = qdev_find_info(bus->info, name); |
135 | 042f84d0 | Gerd Hoffmann | if (!info) {
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136 | 0bcdeda7 | Blue Swirl | return NULL; |
137 | aae9460e | Paul Brook | } |
138 | aae9460e | Paul Brook | |
139 | 0c17542d | Markus Armbruster | return qdev_create_from_info(bus, info);
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140 | aae9460e | Paul Brook | } |
141 | aae9460e | Paul Brook | |
142 | 8a9662ca | Markus Armbruster | static void qdev_print_devinfo(DeviceInfo *info) |
143 | 1b524b04 | Gerd Hoffmann | { |
144 | 8a9662ca | Markus Armbruster | error_printf("name \"%s\", bus %s",
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145 | 8a9662ca | Markus Armbruster | info->name, info->bus_info->name); |
146 | 22f2e344 | Gerd Hoffmann | if (info->alias) {
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147 | 8a9662ca | Markus Armbruster | error_printf(", alias \"%s\"", info->alias);
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148 | 22f2e344 | Gerd Hoffmann | } |
149 | 22f2e344 | Gerd Hoffmann | if (info->desc) {
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150 | 8a9662ca | Markus Armbruster | error_printf(", desc \"%s\"", info->desc);
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151 | 22f2e344 | Gerd Hoffmann | } |
152 | 22f2e344 | Gerd Hoffmann | if (info->no_user) {
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153 | 8a9662ca | Markus Armbruster | error_printf(", no-user");
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154 | 22f2e344 | Gerd Hoffmann | } |
155 | 8a9662ca | Markus Armbruster | error_printf("\n");
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156 | 1b524b04 | Gerd Hoffmann | } |
157 | 1b524b04 | Gerd Hoffmann | |
158 | f31d07d1 | Gerd Hoffmann | static int set_property(const char *name, const char *value, void *opaque) |
159 | 8ffb1bcf | Gerd Hoffmann | { |
160 | f31d07d1 | Gerd Hoffmann | DeviceState *dev = opaque; |
161 | f31d07d1 | Gerd Hoffmann | |
162 | f31d07d1 | Gerd Hoffmann | if (strcmp(name, "driver") == 0) |
163 | f31d07d1 | Gerd Hoffmann | return 0; |
164 | f31d07d1 | Gerd Hoffmann | if (strcmp(name, "bus") == 0) |
165 | f31d07d1 | Gerd Hoffmann | return 0; |
166 | f31d07d1 | Gerd Hoffmann | |
167 | 3df04ac3 | Mark McLoughlin | if (qdev_prop_parse(dev, name, value) == -1) { |
168 | f31d07d1 | Gerd Hoffmann | return -1; |
169 | f31d07d1 | Gerd Hoffmann | } |
170 | f31d07d1 | Gerd Hoffmann | return 0; |
171 | f31d07d1 | Gerd Hoffmann | } |
172 | f31d07d1 | Gerd Hoffmann | |
173 | ff952ba2 | Markus Armbruster | int qdev_device_help(QemuOpts *opts)
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174 | ff952ba2 | Markus Armbruster | { |
175 | ff952ba2 | Markus Armbruster | const char *driver; |
176 | ff952ba2 | Markus Armbruster | DeviceInfo *info; |
177 | 08350cf0 | Markus Armbruster | Property *prop; |
178 | ff952ba2 | Markus Armbruster | |
179 | ff952ba2 | Markus Armbruster | driver = qemu_opt_get(opts, "driver");
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180 | ff952ba2 | Markus Armbruster | if (driver && !strcmp(driver, "?")) { |
181 | ff952ba2 | Markus Armbruster | for (info = device_info_list; info != NULL; info = info->next) { |
182 | c64eafaf | Markus Armbruster | if (info->no_user) {
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183 | c64eafaf | Markus Armbruster | continue; /* not available, don't show */ |
184 | c64eafaf | Markus Armbruster | } |
185 | 8a9662ca | Markus Armbruster | qdev_print_devinfo(info); |
186 | ff952ba2 | Markus Armbruster | } |
187 | ff952ba2 | Markus Armbruster | return 1; |
188 | ff952ba2 | Markus Armbruster | } |
189 | ff952ba2 | Markus Armbruster | |
190 | 542379f4 | Markus Armbruster | if (!driver || !qemu_opt_get(opts, "?")) { |
191 | 08350cf0 | Markus Armbruster | return 0; |
192 | 08350cf0 | Markus Armbruster | } |
193 | 08350cf0 | Markus Armbruster | |
194 | 08350cf0 | Markus Armbruster | info = qdev_find_info(NULL, driver);
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195 | 08350cf0 | Markus Armbruster | if (!info) {
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196 | 08350cf0 | Markus Armbruster | return 0; |
197 | 08350cf0 | Markus Armbruster | } |
198 | 08350cf0 | Markus Armbruster | |
199 | 08350cf0 | Markus Armbruster | for (prop = info->props; prop && prop->name; prop++) {
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200 | 036f7166 | Markus Armbruster | /*
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201 | 036f7166 | Markus Armbruster | * TODO Properties without a parser are just for dirty hacks.
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202 | 036f7166 | Markus Armbruster | * qdev_prop_ptr is the only such PropertyInfo. It's marked
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203 | 036f7166 | Markus Armbruster | * for removal. This conditional should be removed along with
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204 | 036f7166 | Markus Armbruster | * it.
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205 | 036f7166 | Markus Armbruster | */
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206 | 036f7166 | Markus Armbruster | if (!prop->info->parse) {
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207 | 036f7166 | Markus Armbruster | continue; /* no way to set it, don't show */ |
208 | 036f7166 | Markus Armbruster | } |
209 | a8467c7a | Gerd Hoffmann | error_printf("%s.%s=%s\n", info->name, prop->name, prop->info->name);
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210 | a8467c7a | Gerd Hoffmann | } |
211 | a8467c7a | Gerd Hoffmann | for (prop = info->bus_info->props; prop && prop->name; prop++) {
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212 | a8467c7a | Gerd Hoffmann | if (!prop->info->parse) {
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213 | a8467c7a | Gerd Hoffmann | continue; /* no way to set it, don't show */ |
214 | a8467c7a | Gerd Hoffmann | } |
215 | 8a9662ca | Markus Armbruster | error_printf("%s.%s=%s\n", info->name, prop->name, prop->info->name);
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216 | 08350cf0 | Markus Armbruster | } |
217 | 08350cf0 | Markus Armbruster | return 1; |
218 | ff952ba2 | Markus Armbruster | } |
219 | ff952ba2 | Markus Armbruster | |
220 | f31d07d1 | Gerd Hoffmann | DeviceState *qdev_device_add(QemuOpts *opts) |
221 | f31d07d1 | Gerd Hoffmann | { |
222 | f31d07d1 | Gerd Hoffmann | const char *driver, *path, *id; |
223 | 8ffb1bcf | Gerd Hoffmann | DeviceInfo *info; |
224 | 8ffb1bcf | Gerd Hoffmann | DeviceState *qdev; |
225 | 8ffb1bcf | Gerd Hoffmann | BusState *bus; |
226 | 8ffb1bcf | Gerd Hoffmann | |
227 | f31d07d1 | Gerd Hoffmann | driver = qemu_opt_get(opts, "driver");
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228 | f31d07d1 | Gerd Hoffmann | if (!driver) {
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229 | 0204276b | Markus Armbruster | qerror_report(QERR_MISSING_PARAMETER, "driver");
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230 | 8ffb1bcf | Gerd Hoffmann | return NULL; |
231 | 8ffb1bcf | Gerd Hoffmann | } |
232 | f31d07d1 | Gerd Hoffmann | |
233 | f31d07d1 | Gerd Hoffmann | /* find driver */
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234 | 8ffb1bcf | Gerd Hoffmann | info = qdev_find_info(NULL, driver);
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235 | c64eafaf | Markus Armbruster | if (!info || info->no_user) {
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236 | e17ba87c | Markus Armbruster | qerror_report(QERR_INVALID_PARAMETER_VALUE, "driver", "a driver name"); |
237 | 0204276b | Markus Armbruster | error_printf_unless_qmp("Try with argument '?' for a list.\n");
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238 | 8ffb1bcf | Gerd Hoffmann | return NULL; |
239 | 8ffb1bcf | Gerd Hoffmann | } |
240 | 8ffb1bcf | Gerd Hoffmann | |
241 | f31d07d1 | Gerd Hoffmann | /* find bus */
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242 | f31d07d1 | Gerd Hoffmann | path = qemu_opt_get(opts, "bus");
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243 | f31d07d1 | Gerd Hoffmann | if (path != NULL) { |
244 | 8ffb1bcf | Gerd Hoffmann | bus = qbus_find(path); |
245 | ac8dae67 | Markus Armbruster | if (!bus) {
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246 | ac8dae67 | Markus Armbruster | return NULL; |
247 | ac8dae67 | Markus Armbruster | } |
248 | ac8dae67 | Markus Armbruster | if (bus->info != info->bus_info) {
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249 | 0204276b | Markus Armbruster | qerror_report(QERR_BAD_BUS_FOR_DEVICE, |
250 | 0204276b | Markus Armbruster | driver, bus->info->name); |
251 | 327867b6 | Markus Armbruster | return NULL; |
252 | 327867b6 | Markus Armbruster | } |
253 | 8ffb1bcf | Gerd Hoffmann | } else {
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254 | 8ffb1bcf | Gerd Hoffmann | bus = qbus_find_recursive(main_system_bus, NULL, info->bus_info);
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255 | ac8dae67 | Markus Armbruster | if (!bus) {
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256 | 0204276b | Markus Armbruster | qerror_report(QERR_NO_BUS_FOR_DEVICE, |
257 | 0204276b | Markus Armbruster | info->name, info->bus_info->name); |
258 | ac8dae67 | Markus Armbruster | return NULL; |
259 | ac8dae67 | Markus Armbruster | } |
260 | 75570088 | Gerd Hoffmann | } |
261 | 3418bd25 | Gerd Hoffmann | if (qdev_hotplug && !bus->allow_hotplug) {
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262 | 0204276b | Markus Armbruster | qerror_report(QERR_BUS_NO_HOTPLUG, bus->name); |
263 | 3418bd25 | Gerd Hoffmann | return NULL; |
264 | 3418bd25 | Gerd Hoffmann | } |
265 | 8ffb1bcf | Gerd Hoffmann | |
266 | f31d07d1 | Gerd Hoffmann | /* create device, set properties */
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267 | 0c17542d | Markus Armbruster | qdev = qdev_create_from_info(bus, info); |
268 | f31d07d1 | Gerd Hoffmann | id = qemu_opts_id(opts); |
269 | f31d07d1 | Gerd Hoffmann | if (id) {
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270 | f31d07d1 | Gerd Hoffmann | qdev->id = id; |
271 | f31d07d1 | Gerd Hoffmann | } |
272 | f31d07d1 | Gerd Hoffmann | if (qemu_opt_foreach(opts, set_property, qdev, 1) != 0) { |
273 | f31d07d1 | Gerd Hoffmann | qdev_free(qdev); |
274 | f31d07d1 | Gerd Hoffmann | return NULL; |
275 | 8ffb1bcf | Gerd Hoffmann | } |
276 | 5c17ca25 | Markus Armbruster | if (qdev_init(qdev) < 0) { |
277 | 0204276b | Markus Armbruster | qerror_report(QERR_DEVICE_INIT_FAILED, driver); |
278 | 81a322d4 | Gerd Hoffmann | return NULL; |
279 | 81a322d4 | Gerd Hoffmann | } |
280 | ef80b466 | Gerd Hoffmann | qdev->opts = opts; |
281 | 8ffb1bcf | Gerd Hoffmann | return qdev;
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282 | 8ffb1bcf | Gerd Hoffmann | } |
283 | 8ffb1bcf | Gerd Hoffmann | |
284 | aae9460e | Paul Brook | /* Initialize a device. Device properties should be set before calling
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285 | aae9460e | Paul Brook | this function. IRQs and MMIO regions should be connected/mapped after
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286 | 18cfeb52 | Markus Armbruster | calling this function.
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287 | 18cfeb52 | Markus Armbruster | On failure, destroy the device and return negative value.
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288 | 18cfeb52 | Markus Armbruster | Return 0 on success. */
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289 | 81a322d4 | Gerd Hoffmann | int qdev_init(DeviceState *dev)
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290 | aae9460e | Paul Brook | { |
291 | 959f733a | Gerd Hoffmann | int rc;
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292 | 959f733a | Gerd Hoffmann | |
293 | 131ec1bd | Gerd Hoffmann | assert(dev->state == DEV_STATE_CREATED); |
294 | 959f733a | Gerd Hoffmann | rc = dev->info->init(dev, dev->info); |
295 | 18cfeb52 | Markus Armbruster | if (rc < 0) { |
296 | 18cfeb52 | Markus Armbruster | qdev_free(dev); |
297 | 959f733a | Gerd Hoffmann | return rc;
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298 | 18cfeb52 | Markus Armbruster | } |
299 | 4d2ffa08 | Jan Kiszka | if (dev->info->vmsd) {
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300 | 0be71e32 | Alex Williamson | vmstate_register_with_alias_id(dev, -1, dev->info->vmsd, dev,
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301 | 4d2ffa08 | Jan Kiszka | dev->instance_id_alias, |
302 | 4d2ffa08 | Jan Kiszka | dev->alias_required_for_version); |
303 | 4d2ffa08 | Jan Kiszka | } |
304 | 131ec1bd | Gerd Hoffmann | dev->state = DEV_STATE_INITIALIZED; |
305 | 5ab28c83 | Jan Kiszka | if (dev->hotplugged && dev->info->reset) {
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306 | 5ab28c83 | Jan Kiszka | dev->info->reset(dev); |
307 | 5ab28c83 | Jan Kiszka | } |
308 | 959f733a | Gerd Hoffmann | return 0; |
309 | 02e2da45 | Paul Brook | } |
310 | 02e2da45 | Paul Brook | |
311 | 4d2ffa08 | Jan Kiszka | void qdev_set_legacy_instance_id(DeviceState *dev, int alias_id, |
312 | 4d2ffa08 | Jan Kiszka | int required_for_version)
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313 | 4d2ffa08 | Jan Kiszka | { |
314 | 4d2ffa08 | Jan Kiszka | assert(dev->state == DEV_STATE_CREATED); |
315 | 4d2ffa08 | Jan Kiszka | dev->instance_id_alias = alias_id; |
316 | 4d2ffa08 | Jan Kiszka | dev->alias_required_for_version = required_for_version; |
317 | 4d2ffa08 | Jan Kiszka | } |
318 | 4d2ffa08 | Jan Kiszka | |
319 | 3418bd25 | Gerd Hoffmann | int qdev_unplug(DeviceState *dev)
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320 | 3418bd25 | Gerd Hoffmann | { |
321 | 3418bd25 | Gerd Hoffmann | if (!dev->parent_bus->allow_hotplug) {
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322 | cc601cb7 | Markus Armbruster | qerror_report(QERR_BUS_NO_HOTPLUG, dev->parent_bus->name); |
323 | 3418bd25 | Gerd Hoffmann | return -1; |
324 | 3418bd25 | Gerd Hoffmann | } |
325 | 593831de | Amit Shah | assert(dev->info->unplug != NULL);
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326 | 593831de | Amit Shah | |
327 | 85ed303b | Anthony Liguori | if (dev->ref != 0) { |
328 | 85ed303b | Anthony Liguori | qerror_report(QERR_DEVICE_IN_USE, dev->id?:"");
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329 | 85ed303b | Anthony Liguori | return -1; |
330 | 85ed303b | Anthony Liguori | } |
331 | 85ed303b | Anthony Liguori | |
332 | 0ac8ef71 | Alex Williamson | qdev_hot_removed = true;
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333 | 0ac8ef71 | Alex Williamson | |
334 | 3418bd25 | Gerd Hoffmann | return dev->info->unplug(dev);
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335 | 3418bd25 | Gerd Hoffmann | } |
336 | 3418bd25 | Gerd Hoffmann | |
337 | ec990eb6 | Anthony Liguori | static int qdev_reset_one(DeviceState *dev, void *opaque) |
338 | ec990eb6 | Anthony Liguori | { |
339 | ec990eb6 | Anthony Liguori | if (dev->info->reset) {
|
340 | ec990eb6 | Anthony Liguori | dev->info->reset(dev); |
341 | ec990eb6 | Anthony Liguori | } |
342 | ec990eb6 | Anthony Liguori | |
343 | ec990eb6 | Anthony Liguori | return 0; |
344 | ec990eb6 | Anthony Liguori | } |
345 | ec990eb6 | Anthony Liguori | |
346 | ec990eb6 | Anthony Liguori | BusState *sysbus_get_default(void)
|
347 | ec990eb6 | Anthony Liguori | { |
348 | 68694897 | Stefan Weil | if (!main_system_bus) {
|
349 | 2da8bb92 | Isaku Yamahata | main_system_bus_create(); |
350 | 68694897 | Stefan Weil | } |
351 | ec990eb6 | Anthony Liguori | return main_system_bus;
|
352 | ec990eb6 | Anthony Liguori | } |
353 | ec990eb6 | Anthony Liguori | |
354 | b4694b7c | Isaku Yamahata | static int qbus_reset_one(BusState *bus, void *opaque) |
355 | b4694b7c | Isaku Yamahata | { |
356 | b4694b7c | Isaku Yamahata | if (bus->info->reset) {
|
357 | b4694b7c | Isaku Yamahata | return bus->info->reset(bus);
|
358 | b4694b7c | Isaku Yamahata | } |
359 | b4694b7c | Isaku Yamahata | return 0; |
360 | b4694b7c | Isaku Yamahata | } |
361 | b4694b7c | Isaku Yamahata | |
362 | 5af0a04b | Isaku Yamahata | void qdev_reset_all(DeviceState *dev)
|
363 | 5af0a04b | Isaku Yamahata | { |
364 | 5af0a04b | Isaku Yamahata | qdev_walk_children(dev, qdev_reset_one, qbus_reset_one, NULL);
|
365 | 5af0a04b | Isaku Yamahata | } |
366 | 5af0a04b | Isaku Yamahata | |
367 | 80376c3f | Isaku Yamahata | void qbus_reset_all_fn(void *opaque) |
368 | 80376c3f | Isaku Yamahata | { |
369 | 80376c3f | Isaku Yamahata | BusState *bus = opaque; |
370 | f530cce3 | Michael S. Tsirkin | qbus_walk_children(bus, qdev_reset_one, qbus_reset_one, NULL);
|
371 | 80376c3f | Isaku Yamahata | } |
372 | 80376c3f | Isaku Yamahata | |
373 | 3418bd25 | Gerd Hoffmann | /* can be used as ->unplug() callback for the simple cases */
|
374 | 3418bd25 | Gerd Hoffmann | int qdev_simple_unplug_cb(DeviceState *dev)
|
375 | 3418bd25 | Gerd Hoffmann | { |
376 | 3418bd25 | Gerd Hoffmann | /* just zap it */
|
377 | 3418bd25 | Gerd Hoffmann | qdev_free(dev); |
378 | 3418bd25 | Gerd Hoffmann | return 0; |
379 | 3418bd25 | Gerd Hoffmann | } |
380 | 3418bd25 | Gerd Hoffmann | |
381 | 3b29a101 | Michael Tokarev | |
382 | 3b29a101 | Michael Tokarev | /* Like qdev_init(), but terminate program via error_report() instead of
|
383 | e23a1b33 | Markus Armbruster | returning an error value. This is okay during machine creation.
|
384 | e23a1b33 | Markus Armbruster | Don't use for hotplug, because there callers need to recover from
|
385 | e23a1b33 | Markus Armbruster | failure. Exception: if you know the device's init() callback can't
|
386 | e23a1b33 | Markus Armbruster | fail, then qdev_init_nofail() can't fail either, and is therefore
|
387 | e23a1b33 | Markus Armbruster | usable even then. But relying on the device implementation that
|
388 | e23a1b33 | Markus Armbruster | way is somewhat unclean, and best avoided. */
|
389 | e23a1b33 | Markus Armbruster | void qdev_init_nofail(DeviceState *dev)
|
390 | e23a1b33 | Markus Armbruster | { |
391 | e23a1b33 | Markus Armbruster | DeviceInfo *info = dev->info; |
392 | e23a1b33 | Markus Armbruster | |
393 | bd6c9a61 | Markus Armbruster | if (qdev_init(dev) < 0) { |
394 | 6daf194d | Markus Armbruster | error_report("Initialization of device %s failed", info->name);
|
395 | bd6c9a61 | Markus Armbruster | exit(1);
|
396 | bd6c9a61 | Markus Armbruster | } |
397 | e23a1b33 | Markus Armbruster | } |
398 | e23a1b33 | Markus Armbruster | |
399 | 44677ded | Anthony Liguori | static void qdev_property_del_all(DeviceState *dev) |
400 | 44677ded | Anthony Liguori | { |
401 | 44677ded | Anthony Liguori | while (!QTAILQ_EMPTY(&dev->properties)) {
|
402 | 44677ded | Anthony Liguori | DeviceProperty *prop = QTAILQ_FIRST(&dev->properties); |
403 | 44677ded | Anthony Liguori | |
404 | 44677ded | Anthony Liguori | QTAILQ_REMOVE(&dev->properties, prop, node); |
405 | 44677ded | Anthony Liguori | |
406 | 44677ded | Anthony Liguori | if (prop->release) {
|
407 | 44677ded | Anthony Liguori | prop->release(dev, prop->name, prop->opaque); |
408 | 44677ded | Anthony Liguori | } |
409 | 44677ded | Anthony Liguori | |
410 | 44677ded | Anthony Liguori | g_free(prop->name); |
411 | 44677ded | Anthony Liguori | g_free(prop->type); |
412 | 44677ded | Anthony Liguori | g_free(prop); |
413 | 44677ded | Anthony Liguori | } |
414 | 44677ded | Anthony Liguori | } |
415 | 44677ded | Anthony Liguori | |
416 | 02e2da45 | Paul Brook | /* Unlink device from bus and free the structure. */
|
417 | 02e2da45 | Paul Brook | void qdev_free(DeviceState *dev)
|
418 | 02e2da45 | Paul Brook | { |
419 | 131ec1bd | Gerd Hoffmann | BusState *bus; |
420 | d21357df | Markus Armbruster | Property *prop; |
421 | 131ec1bd | Gerd Hoffmann | |
422 | 44677ded | Anthony Liguori | qdev_property_del_all(dev); |
423 | 44677ded | Anthony Liguori | |
424 | 131ec1bd | Gerd Hoffmann | if (dev->state == DEV_STATE_INITIALIZED) {
|
425 | 131ec1bd | Gerd Hoffmann | while (dev->num_child_bus) {
|
426 | 131ec1bd | Gerd Hoffmann | bus = QLIST_FIRST(&dev->child_bus); |
427 | 131ec1bd | Gerd Hoffmann | qbus_free(bus); |
428 | 131ec1bd | Gerd Hoffmann | } |
429 | 131ec1bd | Gerd Hoffmann | if (dev->info->vmsd)
|
430 | 0be71e32 | Alex Williamson | vmstate_unregister(dev, dev->info->vmsd, dev); |
431 | d29275f1 | Gerd Hoffmann | if (dev->info->exit)
|
432 | d29275f1 | Gerd Hoffmann | dev->info->exit(dev); |
433 | ef80b466 | Gerd Hoffmann | if (dev->opts)
|
434 | ef80b466 | Gerd Hoffmann | qemu_opts_del(dev->opts); |
435 | 131ec1bd | Gerd Hoffmann | } |
436 | d8bb00d6 | Paolo Bonzini | QTAILQ_REMOVE(&dev->parent_bus->children, dev, sibling); |
437 | d21357df | Markus Armbruster | for (prop = dev->info->props; prop && prop->name; prop++) {
|
438 | d21357df | Markus Armbruster | if (prop->info->free) {
|
439 | d21357df | Markus Armbruster | prop->info->free(dev, prop); |
440 | d21357df | Markus Armbruster | } |
441 | d21357df | Markus Armbruster | } |
442 | 7267c094 | Anthony Liguori | g_free(dev); |
443 | aae9460e | Paul Brook | } |
444 | aae9460e | Paul Brook | |
445 | 3418bd25 | Gerd Hoffmann | void qdev_machine_creation_done(void) |
446 | 3418bd25 | Gerd Hoffmann | { |
447 | 3418bd25 | Gerd Hoffmann | /*
|
448 | 3418bd25 | Gerd Hoffmann | * ok, initial machine setup is done, starting from now we can
|
449 | 3418bd25 | Gerd Hoffmann | * only create hotpluggable devices
|
450 | 3418bd25 | Gerd Hoffmann | */
|
451 | 3418bd25 | Gerd Hoffmann | qdev_hotplug = 1;
|
452 | 3418bd25 | Gerd Hoffmann | } |
453 | 3418bd25 | Gerd Hoffmann | |
454 | 0ac8ef71 | Alex Williamson | bool qdev_machine_modified(void) |
455 | 0ac8ef71 | Alex Williamson | { |
456 | 0ac8ef71 | Alex Williamson | return qdev_hot_added || qdev_hot_removed;
|
457 | 0ac8ef71 | Alex Williamson | } |
458 | 0ac8ef71 | Alex Williamson | |
459 | aae9460e | Paul Brook | /* Get a character (serial) device interface. */
|
460 | aae9460e | Paul Brook | CharDriverState *qdev_init_chardev(DeviceState *dev) |
461 | aae9460e | Paul Brook | { |
462 | aae9460e | Paul Brook | static int next_serial; |
463 | 98b19252 | Amit Shah | |
464 | 98b19252 | Amit Shah | /* FIXME: This function needs to go away: use chardev properties! */
|
465 | 98b19252 | Amit Shah | return serial_hds[next_serial++];
|
466 | aae9460e | Paul Brook | } |
467 | aae9460e | Paul Brook | |
468 | 02e2da45 | Paul Brook | BusState *qdev_get_parent_bus(DeviceState *dev) |
469 | aae9460e | Paul Brook | { |
470 | 02e2da45 | Paul Brook | return dev->parent_bus;
|
471 | aae9460e | Paul Brook | } |
472 | aae9460e | Paul Brook | |
473 | aae9460e | Paul Brook | void qdev_init_gpio_in(DeviceState *dev, qemu_irq_handler handler, int n) |
474 | aae9460e | Paul Brook | { |
475 | aae9460e | Paul Brook | assert(dev->num_gpio_in == 0);
|
476 | aae9460e | Paul Brook | dev->num_gpio_in = n; |
477 | aae9460e | Paul Brook | dev->gpio_in = qemu_allocate_irqs(handler, dev, n); |
478 | aae9460e | Paul Brook | } |
479 | aae9460e | Paul Brook | |
480 | aae9460e | Paul Brook | void qdev_init_gpio_out(DeviceState *dev, qemu_irq *pins, int n) |
481 | aae9460e | Paul Brook | { |
482 | aae9460e | Paul Brook | assert(dev->num_gpio_out == 0);
|
483 | aae9460e | Paul Brook | dev->num_gpio_out = n; |
484 | aae9460e | Paul Brook | dev->gpio_out = pins; |
485 | aae9460e | Paul Brook | } |
486 | aae9460e | Paul Brook | |
487 | aae9460e | Paul Brook | qemu_irq qdev_get_gpio_in(DeviceState *dev, int n)
|
488 | aae9460e | Paul Brook | { |
489 | aae9460e | Paul Brook | assert(n >= 0 && n < dev->num_gpio_in);
|
490 | aae9460e | Paul Brook | return dev->gpio_in[n];
|
491 | aae9460e | Paul Brook | } |
492 | aae9460e | Paul Brook | |
493 | aae9460e | Paul Brook | void qdev_connect_gpio_out(DeviceState * dev, int n, qemu_irq pin) |
494 | aae9460e | Paul Brook | { |
495 | aae9460e | Paul Brook | assert(n >= 0 && n < dev->num_gpio_out);
|
496 | aae9460e | Paul Brook | dev->gpio_out[n] = pin; |
497 | aae9460e | Paul Brook | } |
498 | aae9460e | Paul Brook | |
499 | ed16ab5a | Gerd Hoffmann | void qdev_set_nic_properties(DeviceState *dev, NICInfo *nd)
|
500 | ed16ab5a | Gerd Hoffmann | { |
501 | 6eed1856 | Jan Kiszka | qdev_prop_set_macaddr(dev, "mac", nd->macaddr.a);
|
502 | ed16ab5a | Gerd Hoffmann | if (nd->vlan)
|
503 | ed16ab5a | Gerd Hoffmann | qdev_prop_set_vlan(dev, "vlan", nd->vlan);
|
504 | ed16ab5a | Gerd Hoffmann | if (nd->netdev)
|
505 | ed16ab5a | Gerd Hoffmann | qdev_prop_set_netdev(dev, "netdev", nd->netdev);
|
506 | 75422b0d | Amit Shah | if (nd->nvectors != DEV_NVECTORS_UNSPECIFIED &&
|
507 | 97b15621 | Gerd Hoffmann | qdev_prop_exists(dev, "vectors")) {
|
508 | 97b15621 | Gerd Hoffmann | qdev_prop_set_uint32(dev, "vectors", nd->nvectors);
|
509 | 97b15621 | Gerd Hoffmann | } |
510 | 48e2faf2 | Peter Maydell | nd->instantiated = 1;
|
511 | ed16ab5a | Gerd Hoffmann | } |
512 | ed16ab5a | Gerd Hoffmann | |
513 | 02e2da45 | Paul Brook | BusState *qdev_get_child_bus(DeviceState *dev, const char *name) |
514 | 4d6ae674 | Paul Brook | { |
515 | 02e2da45 | Paul Brook | BusState *bus; |
516 | 4d6ae674 | Paul Brook | |
517 | 72cf2d4f | Blue Swirl | QLIST_FOREACH(bus, &dev->child_bus, sibling) { |
518 | 4d6ae674 | Paul Brook | if (strcmp(name, bus->name) == 0) { |
519 | 02e2da45 | Paul Brook | return bus;
|
520 | 4d6ae674 | Paul Brook | } |
521 | 4d6ae674 | Paul Brook | } |
522 | 4d6ae674 | Paul Brook | return NULL; |
523 | 4d6ae674 | Paul Brook | } |
524 | 4d6ae674 | Paul Brook | |
525 | 81699d8a | Anthony Liguori | int qbus_walk_children(BusState *bus, qdev_walkerfn *devfn,
|
526 | 81699d8a | Anthony Liguori | qbus_walkerfn *busfn, void *opaque)
|
527 | 81699d8a | Anthony Liguori | { |
528 | 81699d8a | Anthony Liguori | DeviceState *dev; |
529 | 81699d8a | Anthony Liguori | int err;
|
530 | 81699d8a | Anthony Liguori | |
531 | 81699d8a | Anthony Liguori | if (busfn) {
|
532 | 81699d8a | Anthony Liguori | err = busfn(bus, opaque); |
533 | 81699d8a | Anthony Liguori | if (err) {
|
534 | 81699d8a | Anthony Liguori | return err;
|
535 | 81699d8a | Anthony Liguori | } |
536 | 81699d8a | Anthony Liguori | } |
537 | 81699d8a | Anthony Liguori | |
538 | d8bb00d6 | Paolo Bonzini | QTAILQ_FOREACH(dev, &bus->children, sibling) { |
539 | 81699d8a | Anthony Liguori | err = qdev_walk_children(dev, devfn, busfn, opaque); |
540 | 81699d8a | Anthony Liguori | if (err < 0) { |
541 | 81699d8a | Anthony Liguori | return err;
|
542 | 81699d8a | Anthony Liguori | } |
543 | 81699d8a | Anthony Liguori | } |
544 | 81699d8a | Anthony Liguori | |
545 | 81699d8a | Anthony Liguori | return 0; |
546 | 81699d8a | Anthony Liguori | } |
547 | 81699d8a | Anthony Liguori | |
548 | 81699d8a | Anthony Liguori | int qdev_walk_children(DeviceState *dev, qdev_walkerfn *devfn,
|
549 | 81699d8a | Anthony Liguori | qbus_walkerfn *busfn, void *opaque)
|
550 | 81699d8a | Anthony Liguori | { |
551 | 81699d8a | Anthony Liguori | BusState *bus; |
552 | 81699d8a | Anthony Liguori | int err;
|
553 | 81699d8a | Anthony Liguori | |
554 | 81699d8a | Anthony Liguori | if (devfn) {
|
555 | 81699d8a | Anthony Liguori | err = devfn(dev, opaque); |
556 | 81699d8a | Anthony Liguori | if (err) {
|
557 | 81699d8a | Anthony Liguori | return err;
|
558 | 81699d8a | Anthony Liguori | } |
559 | 81699d8a | Anthony Liguori | } |
560 | 81699d8a | Anthony Liguori | |
561 | 81699d8a | Anthony Liguori | QLIST_FOREACH(bus, &dev->child_bus, sibling) { |
562 | 81699d8a | Anthony Liguori | err = qbus_walk_children(bus, devfn, busfn, opaque); |
563 | 81699d8a | Anthony Liguori | if (err < 0) { |
564 | 81699d8a | Anthony Liguori | return err;
|
565 | 81699d8a | Anthony Liguori | } |
566 | 81699d8a | Anthony Liguori | } |
567 | 81699d8a | Anthony Liguori | |
568 | 81699d8a | Anthony Liguori | return 0; |
569 | 81699d8a | Anthony Liguori | } |
570 | 81699d8a | Anthony Liguori | |
571 | 8ffb1bcf | Gerd Hoffmann | static BusState *qbus_find_recursive(BusState *bus, const char *name, |
572 | 8ffb1bcf | Gerd Hoffmann | const BusInfo *info)
|
573 | 8ffb1bcf | Gerd Hoffmann | { |
574 | 8ffb1bcf | Gerd Hoffmann | DeviceState *dev; |
575 | 8ffb1bcf | Gerd Hoffmann | BusState *child, *ret; |
576 | 8ffb1bcf | Gerd Hoffmann | int match = 1; |
577 | 8ffb1bcf | Gerd Hoffmann | |
578 | 8ffb1bcf | Gerd Hoffmann | if (name && (strcmp(bus->name, name) != 0)) { |
579 | 8ffb1bcf | Gerd Hoffmann | match = 0;
|
580 | 8ffb1bcf | Gerd Hoffmann | } |
581 | 8ffb1bcf | Gerd Hoffmann | if (info && (bus->info != info)) {
|
582 | 8ffb1bcf | Gerd Hoffmann | match = 0;
|
583 | 8ffb1bcf | Gerd Hoffmann | } |
584 | 8ffb1bcf | Gerd Hoffmann | if (match) {
|
585 | 8ffb1bcf | Gerd Hoffmann | return bus;
|
586 | 8ffb1bcf | Gerd Hoffmann | } |
587 | 8ffb1bcf | Gerd Hoffmann | |
588 | d8bb00d6 | Paolo Bonzini | QTAILQ_FOREACH(dev, &bus->children, sibling) { |
589 | 72cf2d4f | Blue Swirl | QLIST_FOREACH(child, &dev->child_bus, sibling) { |
590 | 8ffb1bcf | Gerd Hoffmann | ret = qbus_find_recursive(child, name, info); |
591 | 8ffb1bcf | Gerd Hoffmann | if (ret) {
|
592 | 8ffb1bcf | Gerd Hoffmann | return ret;
|
593 | 8ffb1bcf | Gerd Hoffmann | } |
594 | 8ffb1bcf | Gerd Hoffmann | } |
595 | 8ffb1bcf | Gerd Hoffmann | } |
596 | 8ffb1bcf | Gerd Hoffmann | return NULL; |
597 | 8ffb1bcf | Gerd Hoffmann | } |
598 | 8ffb1bcf | Gerd Hoffmann | |
599 | a2ee6b4f | Isaku Yamahata | DeviceState *qdev_find_recursive(BusState *bus, const char *id) |
600 | 3418bd25 | Gerd Hoffmann | { |
601 | 3418bd25 | Gerd Hoffmann | DeviceState *dev, *ret; |
602 | 3418bd25 | Gerd Hoffmann | BusState *child; |
603 | 3418bd25 | Gerd Hoffmann | |
604 | d8bb00d6 | Paolo Bonzini | QTAILQ_FOREACH(dev, &bus->children, sibling) { |
605 | 3418bd25 | Gerd Hoffmann | if (dev->id && strcmp(dev->id, id) == 0) |
606 | 3418bd25 | Gerd Hoffmann | return dev;
|
607 | 3418bd25 | Gerd Hoffmann | QLIST_FOREACH(child, &dev->child_bus, sibling) { |
608 | 3418bd25 | Gerd Hoffmann | ret = qdev_find_recursive(child, id); |
609 | 3418bd25 | Gerd Hoffmann | if (ret) {
|
610 | 3418bd25 | Gerd Hoffmann | return ret;
|
611 | 3418bd25 | Gerd Hoffmann | } |
612 | 3418bd25 | Gerd Hoffmann | } |
613 | 3418bd25 | Gerd Hoffmann | } |
614 | 3418bd25 | Gerd Hoffmann | return NULL; |
615 | 3418bd25 | Gerd Hoffmann | } |
616 | 3418bd25 | Gerd Hoffmann | |
617 | 53db16b5 | Markus Armbruster | static void qbus_list_bus(DeviceState *dev) |
618 | 8ffb1bcf | Gerd Hoffmann | { |
619 | 8ffb1bcf | Gerd Hoffmann | BusState *child; |
620 | 8ffb1bcf | Gerd Hoffmann | const char *sep = " "; |
621 | 8ffb1bcf | Gerd Hoffmann | |
622 | 53db16b5 | Markus Armbruster | error_printf("child busses at \"%s\":",
|
623 | 53db16b5 | Markus Armbruster | dev->id ? dev->id : dev->info->name); |
624 | 72cf2d4f | Blue Swirl | QLIST_FOREACH(child, &dev->child_bus, sibling) { |
625 | 53db16b5 | Markus Armbruster | error_printf("%s\"%s\"", sep, child->name);
|
626 | 8ffb1bcf | Gerd Hoffmann | sep = ", ";
|
627 | 8ffb1bcf | Gerd Hoffmann | } |
628 | 53db16b5 | Markus Armbruster | error_printf("\n");
|
629 | 8ffb1bcf | Gerd Hoffmann | } |
630 | 8ffb1bcf | Gerd Hoffmann | |
631 | 53db16b5 | Markus Armbruster | static void qbus_list_dev(BusState *bus) |
632 | 8ffb1bcf | Gerd Hoffmann | { |
633 | 8ffb1bcf | Gerd Hoffmann | DeviceState *dev; |
634 | 8ffb1bcf | Gerd Hoffmann | const char *sep = " "; |
635 | 8ffb1bcf | Gerd Hoffmann | |
636 | 53db16b5 | Markus Armbruster | error_printf("devices at \"%s\":", bus->name);
|
637 | d8bb00d6 | Paolo Bonzini | QTAILQ_FOREACH(dev, &bus->children, sibling) { |
638 | 53db16b5 | Markus Armbruster | error_printf("%s\"%s\"", sep, dev->info->name);
|
639 | 8ffb1bcf | Gerd Hoffmann | if (dev->id)
|
640 | 53db16b5 | Markus Armbruster | error_printf("/\"%s\"", dev->id);
|
641 | 8ffb1bcf | Gerd Hoffmann | sep = ", ";
|
642 | 8ffb1bcf | Gerd Hoffmann | } |
643 | 53db16b5 | Markus Armbruster | error_printf("\n");
|
644 | 8ffb1bcf | Gerd Hoffmann | } |
645 | 8ffb1bcf | Gerd Hoffmann | |
646 | 8ffb1bcf | Gerd Hoffmann | static BusState *qbus_find_bus(DeviceState *dev, char *elem) |
647 | 8ffb1bcf | Gerd Hoffmann | { |
648 | 8ffb1bcf | Gerd Hoffmann | BusState *child; |
649 | 8ffb1bcf | Gerd Hoffmann | |
650 | 72cf2d4f | Blue Swirl | QLIST_FOREACH(child, &dev->child_bus, sibling) { |
651 | 8ffb1bcf | Gerd Hoffmann | if (strcmp(child->name, elem) == 0) { |
652 | 8ffb1bcf | Gerd Hoffmann | return child;
|
653 | 8ffb1bcf | Gerd Hoffmann | } |
654 | 8ffb1bcf | Gerd Hoffmann | } |
655 | 8ffb1bcf | Gerd Hoffmann | return NULL; |
656 | 8ffb1bcf | Gerd Hoffmann | } |
657 | 8ffb1bcf | Gerd Hoffmann | |
658 | 8ffb1bcf | Gerd Hoffmann | static DeviceState *qbus_find_dev(BusState *bus, char *elem) |
659 | 8ffb1bcf | Gerd Hoffmann | { |
660 | 8ffb1bcf | Gerd Hoffmann | DeviceState *dev; |
661 | 8ffb1bcf | Gerd Hoffmann | |
662 | 8ffb1bcf | Gerd Hoffmann | /*
|
663 | 8ffb1bcf | Gerd Hoffmann | * try to match in order:
|
664 | 8ffb1bcf | Gerd Hoffmann | * (1) instance id, if present
|
665 | 8ffb1bcf | Gerd Hoffmann | * (2) driver name
|
666 | 8ffb1bcf | Gerd Hoffmann | * (3) driver alias, if present
|
667 | 8ffb1bcf | Gerd Hoffmann | */
|
668 | d8bb00d6 | Paolo Bonzini | QTAILQ_FOREACH(dev, &bus->children, sibling) { |
669 | 8ffb1bcf | Gerd Hoffmann | if (dev->id && strcmp(dev->id, elem) == 0) { |
670 | 8ffb1bcf | Gerd Hoffmann | return dev;
|
671 | 8ffb1bcf | Gerd Hoffmann | } |
672 | 8ffb1bcf | Gerd Hoffmann | } |
673 | d8bb00d6 | Paolo Bonzini | QTAILQ_FOREACH(dev, &bus->children, sibling) { |
674 | 8ffb1bcf | Gerd Hoffmann | if (strcmp(dev->info->name, elem) == 0) { |
675 | 8ffb1bcf | Gerd Hoffmann | return dev;
|
676 | 8ffb1bcf | Gerd Hoffmann | } |
677 | 8ffb1bcf | Gerd Hoffmann | } |
678 | d8bb00d6 | Paolo Bonzini | QTAILQ_FOREACH(dev, &bus->children, sibling) { |
679 | 8ffb1bcf | Gerd Hoffmann | if (dev->info->alias && strcmp(dev->info->alias, elem) == 0) { |
680 | 8ffb1bcf | Gerd Hoffmann | return dev;
|
681 | 8ffb1bcf | Gerd Hoffmann | } |
682 | 8ffb1bcf | Gerd Hoffmann | } |
683 | 8ffb1bcf | Gerd Hoffmann | return NULL; |
684 | 8ffb1bcf | Gerd Hoffmann | } |
685 | 8ffb1bcf | Gerd Hoffmann | |
686 | 8ffb1bcf | Gerd Hoffmann | static BusState *qbus_find(const char *path) |
687 | 8ffb1bcf | Gerd Hoffmann | { |
688 | 8ffb1bcf | Gerd Hoffmann | DeviceState *dev; |
689 | 8ffb1bcf | Gerd Hoffmann | BusState *bus; |
690 | 53db16b5 | Markus Armbruster | char elem[128]; |
691 | 8ffb1bcf | Gerd Hoffmann | int pos, len;
|
692 | 8ffb1bcf | Gerd Hoffmann | |
693 | 8ffb1bcf | Gerd Hoffmann | /* find start element */
|
694 | 8ffb1bcf | Gerd Hoffmann | if (path[0] == '/') { |
695 | 8ffb1bcf | Gerd Hoffmann | bus = main_system_bus; |
696 | 8ffb1bcf | Gerd Hoffmann | pos = 0;
|
697 | 8ffb1bcf | Gerd Hoffmann | } else {
|
698 | 8ffb1bcf | Gerd Hoffmann | if (sscanf(path, "%127[^/]%n", elem, &len) != 1) { |
699 | fc98eb43 | Markus Armbruster | assert(!path[0]);
|
700 | fc98eb43 | Markus Armbruster | elem[0] = len = 0; |
701 | 8ffb1bcf | Gerd Hoffmann | } |
702 | 8ffb1bcf | Gerd Hoffmann | bus = qbus_find_recursive(main_system_bus, elem, NULL);
|
703 | 8ffb1bcf | Gerd Hoffmann | if (!bus) {
|
704 | ac8dae67 | Markus Armbruster | qerror_report(QERR_BUS_NOT_FOUND, elem); |
705 | 8ffb1bcf | Gerd Hoffmann | return NULL; |
706 | 8ffb1bcf | Gerd Hoffmann | } |
707 | 8ffb1bcf | Gerd Hoffmann | pos = len; |
708 | 8ffb1bcf | Gerd Hoffmann | } |
709 | 8ffb1bcf | Gerd Hoffmann | |
710 | 8ffb1bcf | Gerd Hoffmann | for (;;) {
|
711 | fc98eb43 | Markus Armbruster | assert(path[pos] == '/' || !path[pos]);
|
712 | fc98eb43 | Markus Armbruster | while (path[pos] == '/') { |
713 | fc98eb43 | Markus Armbruster | pos++; |
714 | fc98eb43 | Markus Armbruster | } |
715 | 8ffb1bcf | Gerd Hoffmann | if (path[pos] == '\0') { |
716 | 8ffb1bcf | Gerd Hoffmann | return bus;
|
717 | 8ffb1bcf | Gerd Hoffmann | } |
718 | 8ffb1bcf | Gerd Hoffmann | |
719 | 8ffb1bcf | Gerd Hoffmann | /* find device */
|
720 | fc98eb43 | Markus Armbruster | if (sscanf(path+pos, "%127[^/]%n", elem, &len) != 1) { |
721 | fc98eb43 | Markus Armbruster | assert(0);
|
722 | fc98eb43 | Markus Armbruster | elem[0] = len = 0; |
723 | 8ffb1bcf | Gerd Hoffmann | } |
724 | 8ffb1bcf | Gerd Hoffmann | pos += len; |
725 | 8ffb1bcf | Gerd Hoffmann | dev = qbus_find_dev(bus, elem); |
726 | 8ffb1bcf | Gerd Hoffmann | if (!dev) {
|
727 | ac8dae67 | Markus Armbruster | qerror_report(QERR_DEVICE_NOT_FOUND, elem); |
728 | 8bc27249 | Markus Armbruster | if (!monitor_cur_is_qmp()) {
|
729 | 8bc27249 | Markus Armbruster | qbus_list_dev(bus); |
730 | 8bc27249 | Markus Armbruster | } |
731 | 8ffb1bcf | Gerd Hoffmann | return NULL; |
732 | 8ffb1bcf | Gerd Hoffmann | } |
733 | fc98eb43 | Markus Armbruster | |
734 | fc98eb43 | Markus Armbruster | assert(path[pos] == '/' || !path[pos]);
|
735 | fc98eb43 | Markus Armbruster | while (path[pos] == '/') { |
736 | fc98eb43 | Markus Armbruster | pos++; |
737 | fc98eb43 | Markus Armbruster | } |
738 | 8ffb1bcf | Gerd Hoffmann | if (path[pos] == '\0') { |
739 | 8ffb1bcf | Gerd Hoffmann | /* last specified element is a device. If it has exactly
|
740 | 8ffb1bcf | Gerd Hoffmann | * one child bus accept it nevertheless */
|
741 | 8ffb1bcf | Gerd Hoffmann | switch (dev->num_child_bus) {
|
742 | 8ffb1bcf | Gerd Hoffmann | case 0: |
743 | ac8dae67 | Markus Armbruster | qerror_report(QERR_DEVICE_NO_BUS, elem); |
744 | 8ffb1bcf | Gerd Hoffmann | return NULL; |
745 | 8ffb1bcf | Gerd Hoffmann | case 1: |
746 | 72cf2d4f | Blue Swirl | return QLIST_FIRST(&dev->child_bus);
|
747 | 8ffb1bcf | Gerd Hoffmann | default:
|
748 | ac8dae67 | Markus Armbruster | qerror_report(QERR_DEVICE_MULTIPLE_BUSSES, elem); |
749 | 8bc27249 | Markus Armbruster | if (!monitor_cur_is_qmp()) {
|
750 | 8bc27249 | Markus Armbruster | qbus_list_bus(dev); |
751 | 8bc27249 | Markus Armbruster | } |
752 | 8ffb1bcf | Gerd Hoffmann | return NULL; |
753 | 8ffb1bcf | Gerd Hoffmann | } |
754 | 8ffb1bcf | Gerd Hoffmann | } |
755 | 8ffb1bcf | Gerd Hoffmann | |
756 | 8ffb1bcf | Gerd Hoffmann | /* find bus */
|
757 | fc98eb43 | Markus Armbruster | if (sscanf(path+pos, "%127[^/]%n", elem, &len) != 1) { |
758 | fc98eb43 | Markus Armbruster | assert(0);
|
759 | fc98eb43 | Markus Armbruster | elem[0] = len = 0; |
760 | 8ffb1bcf | Gerd Hoffmann | } |
761 | 8ffb1bcf | Gerd Hoffmann | pos += len; |
762 | 8ffb1bcf | Gerd Hoffmann | bus = qbus_find_bus(dev, elem); |
763 | 8ffb1bcf | Gerd Hoffmann | if (!bus) {
|
764 | ac8dae67 | Markus Armbruster | qerror_report(QERR_BUS_NOT_FOUND, elem); |
765 | 8bc27249 | Markus Armbruster | if (!monitor_cur_is_qmp()) {
|
766 | 8bc27249 | Markus Armbruster | qbus_list_bus(dev); |
767 | 8bc27249 | Markus Armbruster | } |
768 | 8ffb1bcf | Gerd Hoffmann | return NULL; |
769 | 8ffb1bcf | Gerd Hoffmann | } |
770 | 8ffb1bcf | Gerd Hoffmann | } |
771 | 8ffb1bcf | Gerd Hoffmann | } |
772 | 8ffb1bcf | Gerd Hoffmann | |
773 | cd739fb6 | Gerd Hoffmann | void qbus_create_inplace(BusState *bus, BusInfo *info,
|
774 | cd739fb6 | Gerd Hoffmann | DeviceState *parent, const char *name) |
775 | 02e2da45 | Paul Brook | { |
776 | d271de9f | Gerd Hoffmann | char *buf;
|
777 | d271de9f | Gerd Hoffmann | int i,len;
|
778 | 02e2da45 | Paul Brook | |
779 | 10c4c98a | Gerd Hoffmann | bus->info = info; |
780 | 02e2da45 | Paul Brook | bus->parent = parent; |
781 | d271de9f | Gerd Hoffmann | |
782 | d271de9f | Gerd Hoffmann | if (name) {
|
783 | d271de9f | Gerd Hoffmann | /* use supplied name */
|
784 | 7267c094 | Anthony Liguori | bus->name = g_strdup(name); |
785 | d271de9f | Gerd Hoffmann | } else if (parent && parent->id) { |
786 | d271de9f | Gerd Hoffmann | /* parent device has id -> use it for bus name */
|
787 | d271de9f | Gerd Hoffmann | len = strlen(parent->id) + 16;
|
788 | 7267c094 | Anthony Liguori | buf = g_malloc(len); |
789 | d271de9f | Gerd Hoffmann | snprintf(buf, len, "%s.%d", parent->id, parent->num_child_bus);
|
790 | d271de9f | Gerd Hoffmann | bus->name = buf; |
791 | d271de9f | Gerd Hoffmann | } else {
|
792 | d271de9f | Gerd Hoffmann | /* no id -> use lowercase bus type for bus name */
|
793 | d271de9f | Gerd Hoffmann | len = strlen(info->name) + 16;
|
794 | 7267c094 | Anthony Liguori | buf = g_malloc(len); |
795 | d271de9f | Gerd Hoffmann | len = snprintf(buf, len, "%s.%d", info->name,
|
796 | d271de9f | Gerd Hoffmann | parent ? parent->num_child_bus : 0);
|
797 | d271de9f | Gerd Hoffmann | for (i = 0; i < len; i++) |
798 | bb87ece5 | Christoph Egger | buf[i] = qemu_tolower(buf[i]); |
799 | d271de9f | Gerd Hoffmann | bus->name = buf; |
800 | d271de9f | Gerd Hoffmann | } |
801 | d271de9f | Gerd Hoffmann | |
802 | d8bb00d6 | Paolo Bonzini | QTAILQ_INIT(&bus->children); |
803 | 02e2da45 | Paul Brook | if (parent) {
|
804 | 72cf2d4f | Blue Swirl | QLIST_INSERT_HEAD(&parent->child_bus, bus, sibling); |
805 | d271de9f | Gerd Hoffmann | parent->num_child_bus++; |
806 | 80376c3f | Isaku Yamahata | } else if (bus != main_system_bus) { |
807 | 80376c3f | Isaku Yamahata | /* TODO: once all bus devices are qdevified,
|
808 | 80376c3f | Isaku Yamahata | only reset handler for main_system_bus should be registered here. */
|
809 | 80376c3f | Isaku Yamahata | qemu_register_reset(qbus_reset_all_fn, bus); |
810 | 02e2da45 | Paul Brook | } |
811 | cd739fb6 | Gerd Hoffmann | } |
812 | cd739fb6 | Gerd Hoffmann | |
813 | cd739fb6 | Gerd Hoffmann | BusState *qbus_create(BusInfo *info, DeviceState *parent, const char *name) |
814 | cd739fb6 | Gerd Hoffmann | { |
815 | cd739fb6 | Gerd Hoffmann | BusState *bus; |
816 | cd739fb6 | Gerd Hoffmann | |
817 | 7267c094 | Anthony Liguori | bus = g_malloc0(info->size); |
818 | cd739fb6 | Gerd Hoffmann | bus->qdev_allocated = 1;
|
819 | cd739fb6 | Gerd Hoffmann | qbus_create_inplace(bus, info, parent, name); |
820 | 02e2da45 | Paul Brook | return bus;
|
821 | 02e2da45 | Paul Brook | } |
822 | cae4956e | Gerd Hoffmann | |
823 | 2da8bb92 | Isaku Yamahata | static void main_system_bus_create(void) |
824 | 2da8bb92 | Isaku Yamahata | { |
825 | 2da8bb92 | Isaku Yamahata | /* assign main_system_bus before qbus_create_inplace()
|
826 | 2da8bb92 | Isaku Yamahata | * in order to make "if (bus != main_system_bus)" work */
|
827 | 7267c094 | Anthony Liguori | main_system_bus = g_malloc0(system_bus_info.size); |
828 | 2da8bb92 | Isaku Yamahata | main_system_bus->qdev_allocated = 1;
|
829 | 2da8bb92 | Isaku Yamahata | qbus_create_inplace(main_system_bus, &system_bus_info, NULL,
|
830 | 2da8bb92 | Isaku Yamahata | "main-system-bus");
|
831 | 2da8bb92 | Isaku Yamahata | } |
832 | 2da8bb92 | Isaku Yamahata | |
833 | 131ec1bd | Gerd Hoffmann | void qbus_free(BusState *bus)
|
834 | 131ec1bd | Gerd Hoffmann | { |
835 | 131ec1bd | Gerd Hoffmann | DeviceState *dev; |
836 | 131ec1bd | Gerd Hoffmann | |
837 | d8bb00d6 | Paolo Bonzini | while ((dev = QTAILQ_FIRST(&bus->children)) != NULL) { |
838 | 131ec1bd | Gerd Hoffmann | qdev_free(dev); |
839 | 131ec1bd | Gerd Hoffmann | } |
840 | 131ec1bd | Gerd Hoffmann | if (bus->parent) {
|
841 | 131ec1bd | Gerd Hoffmann | QLIST_REMOVE(bus, sibling); |
842 | 131ec1bd | Gerd Hoffmann | bus->parent->num_child_bus--; |
843 | 80376c3f | Isaku Yamahata | } else {
|
844 | 80376c3f | Isaku Yamahata | assert(bus != main_system_bus); /* main_system_bus is never freed */
|
845 | 80376c3f | Isaku Yamahata | qemu_unregister_reset(qbus_reset_all_fn, bus); |
846 | 131ec1bd | Gerd Hoffmann | } |
847 | 7267c094 | Anthony Liguori | g_free((void*)bus->name);
|
848 | 131ec1bd | Gerd Hoffmann | if (bus->qdev_allocated) {
|
849 | 7267c094 | Anthony Liguori | g_free(bus); |
850 | 131ec1bd | Gerd Hoffmann | } |
851 | 131ec1bd | Gerd Hoffmann | } |
852 | 131ec1bd | Gerd Hoffmann | |
853 | cae4956e | Gerd Hoffmann | #define qdev_printf(fmt, ...) monitor_printf(mon, "%*s" fmt, indent, "", ## __VA_ARGS__) |
854 | cae4956e | Gerd Hoffmann | static void qbus_print(Monitor *mon, BusState *bus, int indent); |
855 | cae4956e | Gerd Hoffmann | |
856 | ee6847d1 | Gerd Hoffmann | static void qdev_print_props(Monitor *mon, DeviceState *dev, Property *props, |
857 | ee6847d1 | Gerd Hoffmann | const char *prefix, int indent) |
858 | ee6847d1 | Gerd Hoffmann | { |
859 | ee6847d1 | Gerd Hoffmann | char buf[64]; |
860 | ee6847d1 | Gerd Hoffmann | |
861 | ee6847d1 | Gerd Hoffmann | if (!props)
|
862 | ee6847d1 | Gerd Hoffmann | return;
|
863 | ee6847d1 | Gerd Hoffmann | while (props->name) {
|
864 | 036f7166 | Markus Armbruster | /*
|
865 | 036f7166 | Markus Armbruster | * TODO Properties without a print method are just for dirty
|
866 | 036f7166 | Markus Armbruster | * hacks. qdev_prop_ptr is the only such PropertyInfo. It's
|
867 | 036f7166 | Markus Armbruster | * marked for removal. The test props->info->print should be
|
868 | 036f7166 | Markus Armbruster | * removed along with it.
|
869 | 036f7166 | Markus Armbruster | */
|
870 | ee6847d1 | Gerd Hoffmann | if (props->info->print) {
|
871 | ee6847d1 | Gerd Hoffmann | props->info->print(dev, props, buf, sizeof(buf));
|
872 | ee6847d1 | Gerd Hoffmann | qdev_printf("%s-prop: %s = %s\n", prefix, props->name, buf);
|
873 | ee6847d1 | Gerd Hoffmann | } |
874 | ee6847d1 | Gerd Hoffmann | props++; |
875 | ee6847d1 | Gerd Hoffmann | } |
876 | ee6847d1 | Gerd Hoffmann | } |
877 | ee6847d1 | Gerd Hoffmann | |
878 | cae4956e | Gerd Hoffmann | static void qdev_print(Monitor *mon, DeviceState *dev, int indent) |
879 | cae4956e | Gerd Hoffmann | { |
880 | cae4956e | Gerd Hoffmann | BusState *child; |
881 | ccb63de3 | Gerd Hoffmann | qdev_printf("dev: %s, id \"%s\"\n", dev->info->name,
|
882 | ccb63de3 | Gerd Hoffmann | dev->id ? dev->id : "");
|
883 | cae4956e | Gerd Hoffmann | indent += 2;
|
884 | cae4956e | Gerd Hoffmann | if (dev->num_gpio_in) {
|
885 | cae4956e | Gerd Hoffmann | qdev_printf("gpio-in %d\n", dev->num_gpio_in);
|
886 | cae4956e | Gerd Hoffmann | } |
887 | cae4956e | Gerd Hoffmann | if (dev->num_gpio_out) {
|
888 | cae4956e | Gerd Hoffmann | qdev_printf("gpio-out %d\n", dev->num_gpio_out);
|
889 | cae4956e | Gerd Hoffmann | } |
890 | ee6847d1 | Gerd Hoffmann | qdev_print_props(mon, dev, dev->info->props, "dev", indent);
|
891 | ee6847d1 | Gerd Hoffmann | qdev_print_props(mon, dev, dev->parent_bus->info->props, "bus", indent);
|
892 | 10c4c98a | Gerd Hoffmann | if (dev->parent_bus->info->print_dev)
|
893 | 10c4c98a | Gerd Hoffmann | dev->parent_bus->info->print_dev(mon, dev, indent); |
894 | 72cf2d4f | Blue Swirl | QLIST_FOREACH(child, &dev->child_bus, sibling) { |
895 | cae4956e | Gerd Hoffmann | qbus_print(mon, child, indent); |
896 | cae4956e | Gerd Hoffmann | } |
897 | cae4956e | Gerd Hoffmann | } |
898 | cae4956e | Gerd Hoffmann | |
899 | cae4956e | Gerd Hoffmann | static void qbus_print(Monitor *mon, BusState *bus, int indent) |
900 | cae4956e | Gerd Hoffmann | { |
901 | cae4956e | Gerd Hoffmann | struct DeviceState *dev;
|
902 | cae4956e | Gerd Hoffmann | |
903 | cae4956e | Gerd Hoffmann | qdev_printf("bus: %s\n", bus->name);
|
904 | cae4956e | Gerd Hoffmann | indent += 2;
|
905 | 10c4c98a | Gerd Hoffmann | qdev_printf("type %s\n", bus->info->name);
|
906 | d8bb00d6 | Paolo Bonzini | QTAILQ_FOREACH(dev, &bus->children, sibling) { |
907 | cae4956e | Gerd Hoffmann | qdev_print(mon, dev, indent); |
908 | cae4956e | Gerd Hoffmann | } |
909 | cae4956e | Gerd Hoffmann | } |
910 | cae4956e | Gerd Hoffmann | #undef qdev_printf
|
911 | cae4956e | Gerd Hoffmann | |
912 | cae4956e | Gerd Hoffmann | void do_info_qtree(Monitor *mon)
|
913 | cae4956e | Gerd Hoffmann | { |
914 | cae4956e | Gerd Hoffmann | if (main_system_bus)
|
915 | cae4956e | Gerd Hoffmann | qbus_print(mon, main_system_bus, 0);
|
916 | cae4956e | Gerd Hoffmann | } |
917 | 9316d30f | Gerd Hoffmann | |
918 | f6c64e0e | Gerd Hoffmann | void do_info_qdm(Monitor *mon)
|
919 | 9316d30f | Gerd Hoffmann | { |
920 | 9316d30f | Gerd Hoffmann | DeviceInfo *info; |
921 | 9316d30f | Gerd Hoffmann | |
922 | 9316d30f | Gerd Hoffmann | for (info = device_info_list; info != NULL; info = info->next) { |
923 | 8a9662ca | Markus Armbruster | qdev_print_devinfo(info); |
924 | 9316d30f | Gerd Hoffmann | } |
925 | 9316d30f | Gerd Hoffmann | } |
926 | 3418bd25 | Gerd Hoffmann | |
927 | 8bc27249 | Markus Armbruster | int do_device_add(Monitor *mon, const QDict *qdict, QObject **ret_data) |
928 | 3418bd25 | Gerd Hoffmann | { |
929 | 3418bd25 | Gerd Hoffmann | QemuOpts *opts; |
930 | 3418bd25 | Gerd Hoffmann | |
931 | 3329f07b | Gerd Hoffmann | opts = qemu_opts_from_qdict(qemu_find_opts("device"), qdict);
|
932 | 8bc27249 | Markus Armbruster | if (!opts) {
|
933 | 8bc27249 | Markus Armbruster | return -1; |
934 | 8bc27249 | Markus Armbruster | } |
935 | 8bc27249 | Markus Armbruster | if (!monitor_cur_is_qmp() && qdev_device_help(opts)) {
|
936 | 8bc27249 | Markus Armbruster | qemu_opts_del(opts); |
937 | 8bc27249 | Markus Armbruster | return 0; |
938 | 0f853a38 | Kevin Wolf | } |
939 | 8bc27249 | Markus Armbruster | if (!qdev_device_add(opts)) {
|
940 | 8bc27249 | Markus Armbruster | qemu_opts_del(opts); |
941 | 8bc27249 | Markus Armbruster | return -1; |
942 | 8bc27249 | Markus Armbruster | } |
943 | 8bc27249 | Markus Armbruster | return 0; |
944 | 3418bd25 | Gerd Hoffmann | } |
945 | 3418bd25 | Gerd Hoffmann | |
946 | 17a38eaa | Markus Armbruster | int do_device_del(Monitor *mon, const QDict *qdict, QObject **ret_data) |
947 | 3418bd25 | Gerd Hoffmann | { |
948 | 3418bd25 | Gerd Hoffmann | const char *id = qdict_get_str(qdict, "id"); |
949 | 3418bd25 | Gerd Hoffmann | DeviceState *dev; |
950 | 3418bd25 | Gerd Hoffmann | |
951 | 3418bd25 | Gerd Hoffmann | dev = qdev_find_recursive(main_system_bus, id); |
952 | 3418bd25 | Gerd Hoffmann | if (NULL == dev) { |
953 | 17a38eaa | Markus Armbruster | qerror_report(QERR_DEVICE_NOT_FOUND, id); |
954 | 17a38eaa | Markus Armbruster | return -1; |
955 | 3418bd25 | Gerd Hoffmann | } |
956 | 17a38eaa | Markus Armbruster | return qdev_unplug(dev);
|
957 | 3418bd25 | Gerd Hoffmann | } |
958 | 1ca4d09a | Gleb Natapov | |
959 | 1ca4d09a | Gleb Natapov | static int qdev_get_fw_dev_path_helper(DeviceState *dev, char *p, int size) |
960 | 1ca4d09a | Gleb Natapov | { |
961 | 1ca4d09a | Gleb Natapov | int l = 0; |
962 | 1ca4d09a | Gleb Natapov | |
963 | 1ca4d09a | Gleb Natapov | if (dev && dev->parent_bus) {
|
964 | 1ca4d09a | Gleb Natapov | char *d;
|
965 | 1ca4d09a | Gleb Natapov | l = qdev_get_fw_dev_path_helper(dev->parent_bus->parent, p, size); |
966 | 1ca4d09a | Gleb Natapov | if (dev->parent_bus->info->get_fw_dev_path) {
|
967 | 1ca4d09a | Gleb Natapov | d = dev->parent_bus->info->get_fw_dev_path(dev); |
968 | 1ca4d09a | Gleb Natapov | l += snprintf(p + l, size - l, "%s", d);
|
969 | 7267c094 | Anthony Liguori | g_free(d); |
970 | 1ca4d09a | Gleb Natapov | } else {
|
971 | 1ca4d09a | Gleb Natapov | l += snprintf(p + l, size - l, "%s", dev->info->name);
|
972 | 1ca4d09a | Gleb Natapov | } |
973 | 1ca4d09a | Gleb Natapov | } |
974 | 1ca4d09a | Gleb Natapov | l += snprintf(p + l , size - l, "/");
|
975 | 1ca4d09a | Gleb Natapov | |
976 | 1ca4d09a | Gleb Natapov | return l;
|
977 | 1ca4d09a | Gleb Natapov | } |
978 | 1ca4d09a | Gleb Natapov | |
979 | 1ca4d09a | Gleb Natapov | char* qdev_get_fw_dev_path(DeviceState *dev)
|
980 | 1ca4d09a | Gleb Natapov | { |
981 | 1ca4d09a | Gleb Natapov | char path[128]; |
982 | 1ca4d09a | Gleb Natapov | int l;
|
983 | 1ca4d09a | Gleb Natapov | |
984 | 1ca4d09a | Gleb Natapov | l = qdev_get_fw_dev_path_helper(dev, path, 128);
|
985 | 1ca4d09a | Gleb Natapov | |
986 | 1ca4d09a | Gleb Natapov | path[l-1] = '\0'; |
987 | 1ca4d09a | Gleb Natapov | |
988 | 1ca4d09a | Gleb Natapov | return strdup(path);
|
989 | 1ca4d09a | Gleb Natapov | } |
990 | 85ed303b | Anthony Liguori | |
991 | 85ed303b | Anthony Liguori | void qdev_ref(DeviceState *dev)
|
992 | 85ed303b | Anthony Liguori | { |
993 | 85ed303b | Anthony Liguori | dev->ref++; |
994 | 85ed303b | Anthony Liguori | } |
995 | 85ed303b | Anthony Liguori | |
996 | 85ed303b | Anthony Liguori | void qdev_unref(DeviceState *dev)
|
997 | 85ed303b | Anthony Liguori | { |
998 | 85ed303b | Anthony Liguori | g_assert(dev->ref > 0);
|
999 | 85ed303b | Anthony Liguori | dev->ref--; |
1000 | 85ed303b | Anthony Liguori | } |
1001 | 44677ded | Anthony Liguori | |
1002 | 44677ded | Anthony Liguori | void qdev_property_add(DeviceState *dev, const char *name, const char *type, |
1003 | 44677ded | Anthony Liguori | DevicePropertyAccessor *get, DevicePropertyAccessor *set, |
1004 | 44677ded | Anthony Liguori | DevicePropertyRelease *release, |
1005 | 44677ded | Anthony Liguori | void *opaque, Error **errp)
|
1006 | 44677ded | Anthony Liguori | { |
1007 | 44677ded | Anthony Liguori | DeviceProperty *prop = g_malloc0(sizeof(*prop));
|
1008 | 44677ded | Anthony Liguori | |
1009 | 44677ded | Anthony Liguori | prop->name = g_strdup(name); |
1010 | 44677ded | Anthony Liguori | prop->type = g_strdup(type); |
1011 | 44677ded | Anthony Liguori | |
1012 | 44677ded | Anthony Liguori | prop->get = get; |
1013 | 44677ded | Anthony Liguori | prop->set = set; |
1014 | 44677ded | Anthony Liguori | prop->release = release; |
1015 | 44677ded | Anthony Liguori | prop->opaque = opaque; |
1016 | 44677ded | Anthony Liguori | |
1017 | 44677ded | Anthony Liguori | QTAILQ_INSERT_TAIL(&dev->properties, prop, node); |
1018 | 44677ded | Anthony Liguori | } |
1019 | 44677ded | Anthony Liguori | |
1020 | 44677ded | Anthony Liguori | static DeviceProperty *qdev_property_find(DeviceState *dev, const char *name) |
1021 | 44677ded | Anthony Liguori | { |
1022 | 44677ded | Anthony Liguori | DeviceProperty *prop; |
1023 | 44677ded | Anthony Liguori | |
1024 | 44677ded | Anthony Liguori | QTAILQ_FOREACH(prop, &dev->properties, node) { |
1025 | 44677ded | Anthony Liguori | if (strcmp(prop->name, name) == 0) { |
1026 | 44677ded | Anthony Liguori | return prop;
|
1027 | 44677ded | Anthony Liguori | } |
1028 | 44677ded | Anthony Liguori | } |
1029 | 44677ded | Anthony Liguori | |
1030 | 44677ded | Anthony Liguori | return NULL; |
1031 | 44677ded | Anthony Liguori | } |
1032 | 44677ded | Anthony Liguori | |
1033 | 44677ded | Anthony Liguori | void qdev_property_get(DeviceState *dev, Visitor *v, const char *name, |
1034 | 44677ded | Anthony Liguori | Error **errp) |
1035 | 44677ded | Anthony Liguori | { |
1036 | 44677ded | Anthony Liguori | DeviceProperty *prop = qdev_property_find(dev, name); |
1037 | 44677ded | Anthony Liguori | |
1038 | 44677ded | Anthony Liguori | if (prop == NULL) { |
1039 | 44677ded | Anthony Liguori | error_set(errp, QERR_PROPERTY_NOT_FOUND, dev->id?:"", name);
|
1040 | 44677ded | Anthony Liguori | return;
|
1041 | 44677ded | Anthony Liguori | } |
1042 | 44677ded | Anthony Liguori | |
1043 | 44677ded | Anthony Liguori | if (!prop->get) {
|
1044 | 44677ded | Anthony Liguori | error_set(errp, QERR_PERMISSION_DENIED); |
1045 | 44677ded | Anthony Liguori | } else {
|
1046 | 44677ded | Anthony Liguori | prop->get(dev, v, prop->opaque, name, errp); |
1047 | 44677ded | Anthony Liguori | } |
1048 | 44677ded | Anthony Liguori | } |
1049 | 44677ded | Anthony Liguori | |
1050 | 44677ded | Anthony Liguori | void qdev_property_set(DeviceState *dev, Visitor *v, const char *name, |
1051 | 44677ded | Anthony Liguori | Error **errp) |
1052 | 44677ded | Anthony Liguori | { |
1053 | 44677ded | Anthony Liguori | DeviceProperty *prop = qdev_property_find(dev, name); |
1054 | 44677ded | Anthony Liguori | |
1055 | 44677ded | Anthony Liguori | if (prop == NULL) { |
1056 | 44677ded | Anthony Liguori | error_set(errp, QERR_PROPERTY_NOT_FOUND, dev->id?:"", name);
|
1057 | 44677ded | Anthony Liguori | return;
|
1058 | 44677ded | Anthony Liguori | } |
1059 | 44677ded | Anthony Liguori | |
1060 | 44677ded | Anthony Liguori | if (!prop->set) {
|
1061 | 44677ded | Anthony Liguori | error_set(errp, QERR_PERMISSION_DENIED); |
1062 | 44677ded | Anthony Liguori | } else {
|
1063 | 44677ded | Anthony Liguori | prop->set(dev, prop->opaque, v, name, errp); |
1064 | 44677ded | Anthony Liguori | } |
1065 | 44677ded | Anthony Liguori | } |
1066 | 44677ded | Anthony Liguori | |
1067 | 44677ded | Anthony Liguori | const char *qdev_property_get_type(DeviceState *dev, const char *name, Error **errp) |
1068 | 44677ded | Anthony Liguori | { |
1069 | 44677ded | Anthony Liguori | DeviceProperty *prop = qdev_property_find(dev, name); |
1070 | 44677ded | Anthony Liguori | |
1071 | 44677ded | Anthony Liguori | if (prop == NULL) { |
1072 | 44677ded | Anthony Liguori | error_set(errp, QERR_PROPERTY_NOT_FOUND, dev->id?:"", name);
|
1073 | 44677ded | Anthony Liguori | return NULL; |
1074 | 44677ded | Anthony Liguori | } |
1075 | 44677ded | Anthony Liguori | |
1076 | 44677ded | Anthony Liguori | return prop->type;
|
1077 | 44677ded | Anthony Liguori | } |