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