root / hw / qdev-monitor.c @ 56f9107e
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1 | ee46d8a5 | Anthony Liguori | /*
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2 | ee46d8a5 | Anthony Liguori | * Dynamic device configuration and creation.
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3 | ee46d8a5 | Anthony Liguori | *
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4 | ee46d8a5 | Anthony Liguori | * Copyright (c) 2009 CodeSourcery
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5 | ee46d8a5 | Anthony Liguori | *
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6 | ee46d8a5 | Anthony Liguori | * This library is free software; you can redistribute it and/or
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7 | ee46d8a5 | Anthony Liguori | * modify it under the terms of the GNU Lesser General Public
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8 | ee46d8a5 | Anthony Liguori | * License as published by the Free Software Foundation; either
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9 | ee46d8a5 | Anthony Liguori | * version 2 of the License, or (at your option) any later version.
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10 | ee46d8a5 | Anthony Liguori | *
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11 | ee46d8a5 | Anthony Liguori | * This library is distributed in the hope that it will be useful,
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12 | ee46d8a5 | Anthony Liguori | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | ee46d8a5 | Anthony Liguori | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 | ee46d8a5 | Anthony Liguori | * Lesser General Public License for more details.
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15 | ee46d8a5 | Anthony Liguori | *
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16 | ee46d8a5 | Anthony Liguori | * You should have received a copy of the GNU Lesser General Public
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17 | ee46d8a5 | Anthony Liguori | * License along with this library; if not, see <http://www.gnu.org/licenses/>.
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18 | ee46d8a5 | Anthony Liguori | */
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19 | ee46d8a5 | Anthony Liguori | |
20 | ee46d8a5 | Anthony Liguori | #include "qdev.h" |
21 | ee46d8a5 | Anthony Liguori | #include "monitor.h" |
22 | ee46d8a5 | Anthony Liguori | |
23 | ee46d8a5 | Anthony Liguori | /*
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24 | ee46d8a5 | Anthony Liguori | * Aliases were a bad idea from the start. Let's keep them
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25 | ee46d8a5 | Anthony Liguori | * from spreading further.
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26 | ee46d8a5 | Anthony Liguori | */
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27 | ee46d8a5 | Anthony Liguori | typedef struct QDevAlias |
28 | ee46d8a5 | Anthony Liguori | { |
29 | ee46d8a5 | Anthony Liguori | const char *typename; |
30 | ee46d8a5 | Anthony Liguori | const char *alias; |
31 | ee46d8a5 | Anthony Liguori | } QDevAlias; |
32 | ee46d8a5 | Anthony Liguori | |
33 | ee46d8a5 | Anthony Liguori | static const QDevAlias qdev_alias_table[] = { |
34 | ee46d8a5 | Anthony Liguori | { "virtio-blk-pci", "virtio-blk" }, |
35 | ee46d8a5 | Anthony Liguori | { "virtio-net-pci", "virtio-net" }, |
36 | ee46d8a5 | Anthony Liguori | { "virtio-serial-pci", "virtio-serial" }, |
37 | ee46d8a5 | Anthony Liguori | { "virtio-balloon-pci", "virtio-balloon" }, |
38 | ee46d8a5 | Anthony Liguori | { "virtio-blk-s390", "virtio-blk" }, |
39 | ee46d8a5 | Anthony Liguori | { "virtio-net-s390", "virtio-net" }, |
40 | ee46d8a5 | Anthony Liguori | { "virtio-serial-s390", "virtio-serial" }, |
41 | ee46d8a5 | Anthony Liguori | { "lsi53c895a", "lsi" }, |
42 | ee46d8a5 | Anthony Liguori | { "ich9-ahci", "ahci" }, |
43 | ee46d8a5 | Anthony Liguori | { } |
44 | ee46d8a5 | Anthony Liguori | }; |
45 | ee46d8a5 | Anthony Liguori | |
46 | ee46d8a5 | Anthony Liguori | static const char *qdev_class_get_alias(DeviceClass *dc) |
47 | ee46d8a5 | Anthony Liguori | { |
48 | ee46d8a5 | Anthony Liguori | const char *typename = object_class_get_name(OBJECT_CLASS(dc)); |
49 | ee46d8a5 | Anthony Liguori | int i;
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50 | ee46d8a5 | Anthony Liguori | |
51 | ee46d8a5 | Anthony Liguori | for (i = 0; qdev_alias_table[i].typename; i++) { |
52 | ee46d8a5 | Anthony Liguori | if (strcmp(qdev_alias_table[i].typename, typename) == 0) { |
53 | ee46d8a5 | Anthony Liguori | return qdev_alias_table[i].alias;
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54 | ee46d8a5 | Anthony Liguori | } |
55 | ee46d8a5 | Anthony Liguori | } |
56 | ee46d8a5 | Anthony Liguori | |
57 | ee46d8a5 | Anthony Liguori | return NULL; |
58 | ee46d8a5 | Anthony Liguori | } |
59 | ee46d8a5 | Anthony Liguori | |
60 | ee46d8a5 | Anthony Liguori | static bool qdev_class_has_alias(DeviceClass *dc) |
61 | ee46d8a5 | Anthony Liguori | { |
62 | ee46d8a5 | Anthony Liguori | return (qdev_class_get_alias(dc) != NULL); |
63 | ee46d8a5 | Anthony Liguori | } |
64 | ee46d8a5 | Anthony Liguori | |
65 | ee46d8a5 | Anthony Liguori | static void qdev_print_devinfo(ObjectClass *klass, void *opaque) |
66 | ee46d8a5 | Anthony Liguori | { |
67 | ee46d8a5 | Anthony Liguori | DeviceClass *dc; |
68 | ee46d8a5 | Anthony Liguori | bool *show_no_user = opaque;
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69 | ee46d8a5 | Anthony Liguori | |
70 | ee46d8a5 | Anthony Liguori | dc = (DeviceClass *)object_class_dynamic_cast(klass, TYPE_DEVICE); |
71 | ee46d8a5 | Anthony Liguori | |
72 | ee46d8a5 | Anthony Liguori | if (!dc || (show_no_user && !*show_no_user && dc->no_user)) {
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73 | ee46d8a5 | Anthony Liguori | return;
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74 | ee46d8a5 | Anthony Liguori | } |
75 | ee46d8a5 | Anthony Liguori | |
76 | ee46d8a5 | Anthony Liguori | error_printf("name \"%s\"", object_class_get_name(klass));
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77 | ee46d8a5 | Anthony Liguori | if (dc->bus_info) {
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78 | ee46d8a5 | Anthony Liguori | error_printf(", bus %s", dc->bus_info->name);
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79 | ee46d8a5 | Anthony Liguori | } |
80 | ee46d8a5 | Anthony Liguori | if (qdev_class_has_alias(dc)) {
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81 | ee46d8a5 | Anthony Liguori | error_printf(", alias \"%s\"", qdev_class_get_alias(dc));
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82 | ee46d8a5 | Anthony Liguori | } |
83 | ee46d8a5 | Anthony Liguori | if (dc->desc) {
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84 | ee46d8a5 | Anthony Liguori | error_printf(", desc \"%s\"", dc->desc);
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85 | ee46d8a5 | Anthony Liguori | } |
86 | ee46d8a5 | Anthony Liguori | if (dc->no_user) {
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87 | ee46d8a5 | Anthony Liguori | error_printf(", no-user");
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88 | ee46d8a5 | Anthony Liguori | } |
89 | ee46d8a5 | Anthony Liguori | error_printf("\n");
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90 | ee46d8a5 | Anthony Liguori | } |
91 | ee46d8a5 | Anthony Liguori | |
92 | ee46d8a5 | Anthony Liguori | static int set_property(const char *name, const char *value, void *opaque) |
93 | ee46d8a5 | Anthony Liguori | { |
94 | ee46d8a5 | Anthony Liguori | DeviceState *dev = opaque; |
95 | ee46d8a5 | Anthony Liguori | |
96 | ee46d8a5 | Anthony Liguori | if (strcmp(name, "driver") == 0) |
97 | ee46d8a5 | Anthony Liguori | return 0; |
98 | ee46d8a5 | Anthony Liguori | if (strcmp(name, "bus") == 0) |
99 | ee46d8a5 | Anthony Liguori | return 0; |
100 | ee46d8a5 | Anthony Liguori | |
101 | ee46d8a5 | Anthony Liguori | if (qdev_prop_parse(dev, name, value) == -1) { |
102 | ee46d8a5 | Anthony Liguori | return -1; |
103 | ee46d8a5 | Anthony Liguori | } |
104 | ee46d8a5 | Anthony Liguori | return 0; |
105 | ee46d8a5 | Anthony Liguori | } |
106 | ee46d8a5 | Anthony Liguori | |
107 | ee46d8a5 | Anthony Liguori | static const char *find_typename_by_alias(const char *alias) |
108 | ee46d8a5 | Anthony Liguori | { |
109 | ee46d8a5 | Anthony Liguori | int i;
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110 | ee46d8a5 | Anthony Liguori | |
111 | ee46d8a5 | Anthony Liguori | for (i = 0; qdev_alias_table[i].alias; i++) { |
112 | ee46d8a5 | Anthony Liguori | if (strcmp(qdev_alias_table[i].alias, alias) == 0) { |
113 | ee46d8a5 | Anthony Liguori | return qdev_alias_table[i].typename;
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114 | ee46d8a5 | Anthony Liguori | } |
115 | ee46d8a5 | Anthony Liguori | } |
116 | ee46d8a5 | Anthony Liguori | |
117 | ee46d8a5 | Anthony Liguori | return NULL; |
118 | ee46d8a5 | Anthony Liguori | } |
119 | ee46d8a5 | Anthony Liguori | |
120 | ee46d8a5 | Anthony Liguori | int qdev_device_help(QemuOpts *opts)
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121 | ee46d8a5 | Anthony Liguori | { |
122 | ee46d8a5 | Anthony Liguori | const char *driver; |
123 | ee46d8a5 | Anthony Liguori | Property *prop; |
124 | ee46d8a5 | Anthony Liguori | ObjectClass *klass; |
125 | ee46d8a5 | Anthony Liguori | DeviceClass *info; |
126 | ee46d8a5 | Anthony Liguori | |
127 | ee46d8a5 | Anthony Liguori | driver = qemu_opt_get(opts, "driver");
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128 | ee46d8a5 | Anthony Liguori | if (driver && !strcmp(driver, "?")) { |
129 | ee46d8a5 | Anthony Liguori | bool show_no_user = false; |
130 | ee46d8a5 | Anthony Liguori | object_class_foreach(qdev_print_devinfo, TYPE_DEVICE, false, &show_no_user);
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131 | ee46d8a5 | Anthony Liguori | return 1; |
132 | ee46d8a5 | Anthony Liguori | } |
133 | ee46d8a5 | Anthony Liguori | |
134 | ee46d8a5 | Anthony Liguori | if (!driver || !qemu_opt_get(opts, "?")) { |
135 | ee46d8a5 | Anthony Liguori | return 0; |
136 | ee46d8a5 | Anthony Liguori | } |
137 | ee46d8a5 | Anthony Liguori | |
138 | ee46d8a5 | Anthony Liguori | klass = object_class_by_name(driver); |
139 | ee46d8a5 | Anthony Liguori | if (!klass) {
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140 | ee46d8a5 | Anthony Liguori | const char *typename = find_typename_by_alias(driver); |
141 | ee46d8a5 | Anthony Liguori | |
142 | ee46d8a5 | Anthony Liguori | if (typename) {
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143 | ee46d8a5 | Anthony Liguori | driver = typename; |
144 | ee46d8a5 | Anthony Liguori | klass = object_class_by_name(driver); |
145 | ee46d8a5 | Anthony Liguori | } |
146 | ee46d8a5 | Anthony Liguori | } |
147 | ee46d8a5 | Anthony Liguori | |
148 | ee46d8a5 | Anthony Liguori | if (!klass) {
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149 | ee46d8a5 | Anthony Liguori | return 0; |
150 | ee46d8a5 | Anthony Liguori | } |
151 | ee46d8a5 | Anthony Liguori | info = DEVICE_CLASS(klass); |
152 | ee46d8a5 | Anthony Liguori | |
153 | ee46d8a5 | Anthony Liguori | for (prop = info->props; prop && prop->name; prop++) {
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154 | ee46d8a5 | Anthony Liguori | /*
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155 | ee46d8a5 | Anthony Liguori | * TODO Properties without a parser are just for dirty hacks.
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156 | ee46d8a5 | Anthony Liguori | * qdev_prop_ptr is the only such PropertyInfo. It's marked
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157 | ee46d8a5 | Anthony Liguori | * for removal. This conditional should be removed along with
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158 | ee46d8a5 | Anthony Liguori | * it.
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159 | ee46d8a5 | Anthony Liguori | */
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160 | ee46d8a5 | Anthony Liguori | if (!prop->info->parse) {
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161 | ee46d8a5 | Anthony Liguori | continue; /* no way to set it, don't show */ |
162 | ee46d8a5 | Anthony Liguori | } |
163 | ee46d8a5 | Anthony Liguori | error_printf("%s.%s=%s\n", driver, prop->name,
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164 | ee46d8a5 | Anthony Liguori | prop->info->legacy_name ?: prop->info->name); |
165 | ee46d8a5 | Anthony Liguori | } |
166 | d03d6b4e | Anthony Liguori | if (info->bus_info) {
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167 | d03d6b4e | Anthony Liguori | for (prop = info->bus_info->props; prop && prop->name; prop++) {
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168 | d03d6b4e | Anthony Liguori | if (!prop->info->parse) {
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169 | d03d6b4e | Anthony Liguori | continue; /* no way to set it, don't show */ |
170 | d03d6b4e | Anthony Liguori | } |
171 | d03d6b4e | Anthony Liguori | error_printf("%s.%s=%s\n", driver, prop->name,
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172 | d03d6b4e | Anthony Liguori | prop->info->legacy_name ?: prop->info->name); |
173 | ee46d8a5 | Anthony Liguori | } |
174 | ee46d8a5 | Anthony Liguori | } |
175 | ee46d8a5 | Anthony Liguori | return 1; |
176 | ee46d8a5 | Anthony Liguori | } |
177 | ee46d8a5 | Anthony Liguori | |
178 | 57c9fafe | Anthony Liguori | static Object *qdev_get_peripheral(void) |
179 | ee46d8a5 | Anthony Liguori | { |
180 | 8b45d447 | Anthony Liguori | static Object *dev;
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181 | ee46d8a5 | Anthony Liguori | |
182 | ee46d8a5 | Anthony Liguori | if (dev == NULL) { |
183 | f05f6b4a | Paolo Bonzini | dev = container_get("/machine/peripheral");
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184 | ee46d8a5 | Anthony Liguori | } |
185 | ee46d8a5 | Anthony Liguori | |
186 | 8b45d447 | Anthony Liguori | return dev;
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187 | ee46d8a5 | Anthony Liguori | } |
188 | ee46d8a5 | Anthony Liguori | |
189 | 57c9fafe | Anthony Liguori | static Object *qdev_get_peripheral_anon(void) |
190 | ee46d8a5 | Anthony Liguori | { |
191 | 8b45d447 | Anthony Liguori | static Object *dev;
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192 | ee46d8a5 | Anthony Liguori | |
193 | ee46d8a5 | Anthony Liguori | if (dev == NULL) { |
194 | f05f6b4a | Paolo Bonzini | dev = container_get("/machine/peripheral-anon");
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195 | ee46d8a5 | Anthony Liguori | } |
196 | ee46d8a5 | Anthony Liguori | |
197 | 8b45d447 | Anthony Liguori | return dev;
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198 | ee46d8a5 | Anthony Liguori | } |
199 | ee46d8a5 | Anthony Liguori | |
200 | ee46d8a5 | Anthony Liguori | static void qbus_list_bus(DeviceState *dev) |
201 | ee46d8a5 | Anthony Liguori | { |
202 | ee46d8a5 | Anthony Liguori | BusState *child; |
203 | ee46d8a5 | Anthony Liguori | const char *sep = " "; |
204 | ee46d8a5 | Anthony Liguori | |
205 | ee46d8a5 | Anthony Liguori | error_printf("child busses at \"%s\":",
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206 | ee46d8a5 | Anthony Liguori | dev->id ? dev->id : object_get_typename(OBJECT(dev))); |
207 | ee46d8a5 | Anthony Liguori | QLIST_FOREACH(child, &dev->child_bus, sibling) { |
208 | ee46d8a5 | Anthony Liguori | error_printf("%s\"%s\"", sep, child->name);
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209 | ee46d8a5 | Anthony Liguori | sep = ", ";
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210 | ee46d8a5 | Anthony Liguori | } |
211 | ee46d8a5 | Anthony Liguori | error_printf("\n");
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212 | ee46d8a5 | Anthony Liguori | } |
213 | ee46d8a5 | Anthony Liguori | |
214 | ee46d8a5 | Anthony Liguori | static void qbus_list_dev(BusState *bus) |
215 | ee46d8a5 | Anthony Liguori | { |
216 | ee46d8a5 | Anthony Liguori | DeviceState *dev; |
217 | ee46d8a5 | Anthony Liguori | const char *sep = " "; |
218 | ee46d8a5 | Anthony Liguori | |
219 | ee46d8a5 | Anthony Liguori | error_printf("devices at \"%s\":", bus->name);
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220 | ee46d8a5 | Anthony Liguori | QTAILQ_FOREACH(dev, &bus->children, sibling) { |
221 | ee46d8a5 | Anthony Liguori | error_printf("%s\"%s\"", sep, object_get_typename(OBJECT(dev)));
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222 | ee46d8a5 | Anthony Liguori | if (dev->id)
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223 | ee46d8a5 | Anthony Liguori | error_printf("/\"%s\"", dev->id);
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224 | ee46d8a5 | Anthony Liguori | sep = ", ";
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225 | ee46d8a5 | Anthony Liguori | } |
226 | ee46d8a5 | Anthony Liguori | error_printf("\n");
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227 | ee46d8a5 | Anthony Liguori | } |
228 | ee46d8a5 | Anthony Liguori | |
229 | ee46d8a5 | Anthony Liguori | static BusState *qbus_find_bus(DeviceState *dev, char *elem) |
230 | ee46d8a5 | Anthony Liguori | { |
231 | ee46d8a5 | Anthony Liguori | BusState *child; |
232 | ee46d8a5 | Anthony Liguori | |
233 | ee46d8a5 | Anthony Liguori | QLIST_FOREACH(child, &dev->child_bus, sibling) { |
234 | ee46d8a5 | Anthony Liguori | if (strcmp(child->name, elem) == 0) { |
235 | ee46d8a5 | Anthony Liguori | return child;
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236 | ee46d8a5 | Anthony Liguori | } |
237 | ee46d8a5 | Anthony Liguori | } |
238 | ee46d8a5 | Anthony Liguori | return NULL; |
239 | ee46d8a5 | Anthony Liguori | } |
240 | ee46d8a5 | Anthony Liguori | |
241 | ee46d8a5 | Anthony Liguori | static DeviceState *qbus_find_dev(BusState *bus, char *elem) |
242 | ee46d8a5 | Anthony Liguori | { |
243 | ee46d8a5 | Anthony Liguori | DeviceState *dev; |
244 | ee46d8a5 | Anthony Liguori | |
245 | ee46d8a5 | Anthony Liguori | /*
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246 | ee46d8a5 | Anthony Liguori | * try to match in order:
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247 | ee46d8a5 | Anthony Liguori | * (1) instance id, if present
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248 | ee46d8a5 | Anthony Liguori | * (2) driver name
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249 | ee46d8a5 | Anthony Liguori | * (3) driver alias, if present
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250 | ee46d8a5 | Anthony Liguori | */
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251 | ee46d8a5 | Anthony Liguori | QTAILQ_FOREACH(dev, &bus->children, sibling) { |
252 | ee46d8a5 | Anthony Liguori | if (dev->id && strcmp(dev->id, elem) == 0) { |
253 | ee46d8a5 | Anthony Liguori | return dev;
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254 | ee46d8a5 | Anthony Liguori | } |
255 | ee46d8a5 | Anthony Liguori | } |
256 | ee46d8a5 | Anthony Liguori | QTAILQ_FOREACH(dev, &bus->children, sibling) { |
257 | ee46d8a5 | Anthony Liguori | if (strcmp(object_get_typename(OBJECT(dev)), elem) == 0) { |
258 | ee46d8a5 | Anthony Liguori | return dev;
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259 | ee46d8a5 | Anthony Liguori | } |
260 | ee46d8a5 | Anthony Liguori | } |
261 | ee46d8a5 | Anthony Liguori | QTAILQ_FOREACH(dev, &bus->children, sibling) { |
262 | ee46d8a5 | Anthony Liguori | DeviceClass *dc = DEVICE_GET_CLASS(dev); |
263 | ee46d8a5 | Anthony Liguori | |
264 | ee46d8a5 | Anthony Liguori | if (qdev_class_has_alias(dc) &&
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265 | ee46d8a5 | Anthony Liguori | strcmp(qdev_class_get_alias(dc), elem) == 0) {
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266 | ee46d8a5 | Anthony Liguori | return dev;
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267 | ee46d8a5 | Anthony Liguori | } |
268 | ee46d8a5 | Anthony Liguori | } |
269 | ee46d8a5 | Anthony Liguori | return NULL; |
270 | ee46d8a5 | Anthony Liguori | } |
271 | ee46d8a5 | Anthony Liguori | |
272 | ee46d8a5 | Anthony Liguori | static BusState *qbus_find_recursive(BusState *bus, const char *name, |
273 | ee46d8a5 | Anthony Liguori | const BusInfo *info)
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274 | ee46d8a5 | Anthony Liguori | { |
275 | ee46d8a5 | Anthony Liguori | DeviceState *dev; |
276 | ee46d8a5 | Anthony Liguori | BusState *child, *ret; |
277 | ee46d8a5 | Anthony Liguori | int match = 1; |
278 | ee46d8a5 | Anthony Liguori | |
279 | ee46d8a5 | Anthony Liguori | if (name && (strcmp(bus->name, name) != 0)) { |
280 | ee46d8a5 | Anthony Liguori | match = 0;
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281 | ee46d8a5 | Anthony Liguori | } |
282 | ee46d8a5 | Anthony Liguori | if (info && (bus->info != info)) {
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283 | ee46d8a5 | Anthony Liguori | match = 0;
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284 | ee46d8a5 | Anthony Liguori | } |
285 | ee46d8a5 | Anthony Liguori | if (match) {
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286 | ee46d8a5 | Anthony Liguori | return bus;
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287 | ee46d8a5 | Anthony Liguori | } |
288 | ee46d8a5 | Anthony Liguori | |
289 | ee46d8a5 | Anthony Liguori | QTAILQ_FOREACH(dev, &bus->children, sibling) { |
290 | ee46d8a5 | Anthony Liguori | QLIST_FOREACH(child, &dev->child_bus, sibling) { |
291 | ee46d8a5 | Anthony Liguori | ret = qbus_find_recursive(child, name, info); |
292 | ee46d8a5 | Anthony Liguori | if (ret) {
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293 | ee46d8a5 | Anthony Liguori | return ret;
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294 | ee46d8a5 | Anthony Liguori | } |
295 | ee46d8a5 | Anthony Liguori | } |
296 | ee46d8a5 | Anthony Liguori | } |
297 | ee46d8a5 | Anthony Liguori | return NULL; |
298 | ee46d8a5 | Anthony Liguori | } |
299 | ee46d8a5 | Anthony Liguori | |
300 | ee46d8a5 | Anthony Liguori | static BusState *qbus_find(const char *path) |
301 | ee46d8a5 | Anthony Liguori | { |
302 | ee46d8a5 | Anthony Liguori | DeviceState *dev; |
303 | ee46d8a5 | Anthony Liguori | BusState *bus; |
304 | ee46d8a5 | Anthony Liguori | char elem[128]; |
305 | ee46d8a5 | Anthony Liguori | int pos, len;
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306 | ee46d8a5 | Anthony Liguori | |
307 | ee46d8a5 | Anthony Liguori | /* find start element */
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308 | ee46d8a5 | Anthony Liguori | if (path[0] == '/') { |
309 | ee46d8a5 | Anthony Liguori | bus = sysbus_get_default(); |
310 | ee46d8a5 | Anthony Liguori | pos = 0;
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311 | ee46d8a5 | Anthony Liguori | } else {
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312 | ee46d8a5 | Anthony Liguori | if (sscanf(path, "%127[^/]%n", elem, &len) != 1) { |
313 | ee46d8a5 | Anthony Liguori | assert(!path[0]);
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314 | ee46d8a5 | Anthony Liguori | elem[0] = len = 0; |
315 | ee46d8a5 | Anthony Liguori | } |
316 | ee46d8a5 | Anthony Liguori | bus = qbus_find_recursive(sysbus_get_default(), elem, NULL);
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317 | ee46d8a5 | Anthony Liguori | if (!bus) {
|
318 | ee46d8a5 | Anthony Liguori | qerror_report(QERR_BUS_NOT_FOUND, elem); |
319 | ee46d8a5 | Anthony Liguori | return NULL; |
320 | ee46d8a5 | Anthony Liguori | } |
321 | ee46d8a5 | Anthony Liguori | pos = len; |
322 | ee46d8a5 | Anthony Liguori | } |
323 | ee46d8a5 | Anthony Liguori | |
324 | ee46d8a5 | Anthony Liguori | for (;;) {
|
325 | ee46d8a5 | Anthony Liguori | assert(path[pos] == '/' || !path[pos]);
|
326 | ee46d8a5 | Anthony Liguori | while (path[pos] == '/') { |
327 | ee46d8a5 | Anthony Liguori | pos++; |
328 | ee46d8a5 | Anthony Liguori | } |
329 | ee46d8a5 | Anthony Liguori | if (path[pos] == '\0') { |
330 | ee46d8a5 | Anthony Liguori | return bus;
|
331 | ee46d8a5 | Anthony Liguori | } |
332 | ee46d8a5 | Anthony Liguori | |
333 | ee46d8a5 | Anthony Liguori | /* find device */
|
334 | ee46d8a5 | Anthony Liguori | if (sscanf(path+pos, "%127[^/]%n", elem, &len) != 1) { |
335 | ee46d8a5 | Anthony Liguori | assert(0);
|
336 | ee46d8a5 | Anthony Liguori | elem[0] = len = 0; |
337 | ee46d8a5 | Anthony Liguori | } |
338 | ee46d8a5 | Anthony Liguori | pos += len; |
339 | ee46d8a5 | Anthony Liguori | dev = qbus_find_dev(bus, elem); |
340 | ee46d8a5 | Anthony Liguori | if (!dev) {
|
341 | ee46d8a5 | Anthony Liguori | qerror_report(QERR_DEVICE_NOT_FOUND, elem); |
342 | ee46d8a5 | Anthony Liguori | if (!monitor_cur_is_qmp()) {
|
343 | ee46d8a5 | Anthony Liguori | qbus_list_dev(bus); |
344 | ee46d8a5 | Anthony Liguori | } |
345 | ee46d8a5 | Anthony Liguori | return NULL; |
346 | ee46d8a5 | Anthony Liguori | } |
347 | ee46d8a5 | Anthony Liguori | |
348 | ee46d8a5 | Anthony Liguori | assert(path[pos] == '/' || !path[pos]);
|
349 | ee46d8a5 | Anthony Liguori | while (path[pos] == '/') { |
350 | ee46d8a5 | Anthony Liguori | pos++; |
351 | ee46d8a5 | Anthony Liguori | } |
352 | ee46d8a5 | Anthony Liguori | if (path[pos] == '\0') { |
353 | ee46d8a5 | Anthony Liguori | /* last specified element is a device. If it has exactly
|
354 | ee46d8a5 | Anthony Liguori | * one child bus accept it nevertheless */
|
355 | ee46d8a5 | Anthony Liguori | switch (dev->num_child_bus) {
|
356 | ee46d8a5 | Anthony Liguori | case 0: |
357 | ee46d8a5 | Anthony Liguori | qerror_report(QERR_DEVICE_NO_BUS, elem); |
358 | ee46d8a5 | Anthony Liguori | return NULL; |
359 | ee46d8a5 | Anthony Liguori | case 1: |
360 | ee46d8a5 | Anthony Liguori | return QLIST_FIRST(&dev->child_bus);
|
361 | ee46d8a5 | Anthony Liguori | default:
|
362 | ee46d8a5 | Anthony Liguori | qerror_report(QERR_DEVICE_MULTIPLE_BUSSES, elem); |
363 | ee46d8a5 | Anthony Liguori | if (!monitor_cur_is_qmp()) {
|
364 | ee46d8a5 | Anthony Liguori | qbus_list_bus(dev); |
365 | ee46d8a5 | Anthony Liguori | } |
366 | ee46d8a5 | Anthony Liguori | return NULL; |
367 | ee46d8a5 | Anthony Liguori | } |
368 | ee46d8a5 | Anthony Liguori | } |
369 | ee46d8a5 | Anthony Liguori | |
370 | ee46d8a5 | Anthony Liguori | /* find bus */
|
371 | ee46d8a5 | Anthony Liguori | if (sscanf(path+pos, "%127[^/]%n", elem, &len) != 1) { |
372 | ee46d8a5 | Anthony Liguori | assert(0);
|
373 | ee46d8a5 | Anthony Liguori | elem[0] = len = 0; |
374 | ee46d8a5 | Anthony Liguori | } |
375 | ee46d8a5 | Anthony Liguori | pos += len; |
376 | ee46d8a5 | Anthony Liguori | bus = qbus_find_bus(dev, elem); |
377 | ee46d8a5 | Anthony Liguori | if (!bus) {
|
378 | ee46d8a5 | Anthony Liguori | qerror_report(QERR_BUS_NOT_FOUND, elem); |
379 | ee46d8a5 | Anthony Liguori | if (!monitor_cur_is_qmp()) {
|
380 | ee46d8a5 | Anthony Liguori | qbus_list_bus(dev); |
381 | ee46d8a5 | Anthony Liguori | } |
382 | ee46d8a5 | Anthony Liguori | return NULL; |
383 | ee46d8a5 | Anthony Liguori | } |
384 | ee46d8a5 | Anthony Liguori | } |
385 | ee46d8a5 | Anthony Liguori | } |
386 | ee46d8a5 | Anthony Liguori | |
387 | ee46d8a5 | Anthony Liguori | DeviceState *qdev_device_add(QemuOpts *opts) |
388 | ee46d8a5 | Anthony Liguori | { |
389 | ee46d8a5 | Anthony Liguori | ObjectClass *obj; |
390 | ee46d8a5 | Anthony Liguori | DeviceClass *k; |
391 | ee46d8a5 | Anthony Liguori | const char *driver, *path, *id; |
392 | ee46d8a5 | Anthony Liguori | DeviceState *qdev; |
393 | ee46d8a5 | Anthony Liguori | BusState *bus; |
394 | ee46d8a5 | Anthony Liguori | |
395 | ee46d8a5 | Anthony Liguori | driver = qemu_opt_get(opts, "driver");
|
396 | ee46d8a5 | Anthony Liguori | if (!driver) {
|
397 | ee46d8a5 | Anthony Liguori | qerror_report(QERR_MISSING_PARAMETER, "driver");
|
398 | ee46d8a5 | Anthony Liguori | return NULL; |
399 | ee46d8a5 | Anthony Liguori | } |
400 | ee46d8a5 | Anthony Liguori | |
401 | ee46d8a5 | Anthony Liguori | /* find driver */
|
402 | ee46d8a5 | Anthony Liguori | obj = object_class_by_name(driver); |
403 | ee46d8a5 | Anthony Liguori | if (!obj) {
|
404 | ee46d8a5 | Anthony Liguori | const char *typename = find_typename_by_alias(driver); |
405 | ee46d8a5 | Anthony Liguori | |
406 | ee46d8a5 | Anthony Liguori | if (typename) {
|
407 | ee46d8a5 | Anthony Liguori | driver = typename; |
408 | ee46d8a5 | Anthony Liguori | obj = object_class_by_name(driver); |
409 | ee46d8a5 | Anthony Liguori | } |
410 | ee46d8a5 | Anthony Liguori | } |
411 | ee46d8a5 | Anthony Liguori | |
412 | ee46d8a5 | Anthony Liguori | if (!obj) {
|
413 | ee46d8a5 | Anthony Liguori | qerror_report(QERR_INVALID_PARAMETER_VALUE, "driver", "device type"); |
414 | ee46d8a5 | Anthony Liguori | return NULL; |
415 | ee46d8a5 | Anthony Liguori | } |
416 | ee46d8a5 | Anthony Liguori | |
417 | ee46d8a5 | Anthony Liguori | k = DEVICE_CLASS(obj); |
418 | ee46d8a5 | Anthony Liguori | |
419 | ee46d8a5 | Anthony Liguori | /* find bus */
|
420 | ee46d8a5 | Anthony Liguori | path = qemu_opt_get(opts, "bus");
|
421 | ee46d8a5 | Anthony Liguori | if (path != NULL) { |
422 | ee46d8a5 | Anthony Liguori | bus = qbus_find(path); |
423 | ee46d8a5 | Anthony Liguori | if (!bus) {
|
424 | ee46d8a5 | Anthony Liguori | return NULL; |
425 | ee46d8a5 | Anthony Liguori | } |
426 | ee46d8a5 | Anthony Liguori | if (bus->info != k->bus_info) {
|
427 | ee46d8a5 | Anthony Liguori | qerror_report(QERR_BAD_BUS_FOR_DEVICE, |
428 | ee46d8a5 | Anthony Liguori | driver, bus->info->name); |
429 | ee46d8a5 | Anthony Liguori | return NULL; |
430 | ee46d8a5 | Anthony Liguori | } |
431 | ee46d8a5 | Anthony Liguori | } else {
|
432 | ee46d8a5 | Anthony Liguori | bus = qbus_find_recursive(sysbus_get_default(), NULL, k->bus_info);
|
433 | ee46d8a5 | Anthony Liguori | if (!bus) {
|
434 | ee46d8a5 | Anthony Liguori | qerror_report(QERR_NO_BUS_FOR_DEVICE, |
435 | ee46d8a5 | Anthony Liguori | driver, k->bus_info->name); |
436 | ee46d8a5 | Anthony Liguori | return NULL; |
437 | ee46d8a5 | Anthony Liguori | } |
438 | ee46d8a5 | Anthony Liguori | } |
439 | ee46d8a5 | Anthony Liguori | if (qdev_hotplug && !bus->allow_hotplug) {
|
440 | ee46d8a5 | Anthony Liguori | qerror_report(QERR_BUS_NO_HOTPLUG, bus->name); |
441 | ee46d8a5 | Anthony Liguori | return NULL; |
442 | ee46d8a5 | Anthony Liguori | } |
443 | ee46d8a5 | Anthony Liguori | |
444 | ee46d8a5 | Anthony Liguori | if (!bus) {
|
445 | ee46d8a5 | Anthony Liguori | bus = sysbus_get_default(); |
446 | ee46d8a5 | Anthony Liguori | } |
447 | ee46d8a5 | Anthony Liguori | |
448 | ee46d8a5 | Anthony Liguori | /* create device, set properties */
|
449 | ee46d8a5 | Anthony Liguori | qdev = DEVICE(object_new(driver)); |
450 | ee46d8a5 | Anthony Liguori | qdev_set_parent_bus(qdev, bus); |
451 | ee46d8a5 | Anthony Liguori | qdev_prop_set_globals(qdev); |
452 | ee46d8a5 | Anthony Liguori | |
453 | ee46d8a5 | Anthony Liguori | id = qemu_opts_id(opts); |
454 | ee46d8a5 | Anthony Liguori | if (id) {
|
455 | ee46d8a5 | Anthony Liguori | qdev->id = id; |
456 | b2d4b3f7 | Anthony Liguori | } |
457 | b2d4b3f7 | Anthony Liguori | if (qemu_opt_foreach(opts, set_property, qdev, 1) != 0) { |
458 | b2d4b3f7 | Anthony Liguori | qdev_free(qdev); |
459 | b2d4b3f7 | Anthony Liguori | return NULL; |
460 | b2d4b3f7 | Anthony Liguori | } |
461 | b2d4b3f7 | Anthony Liguori | if (qdev->id) {
|
462 | 57c9fafe | Anthony Liguori | object_property_add_child(qdev_get_peripheral(), qdev->id, |
463 | 57c9fafe | Anthony Liguori | OBJECT(qdev), NULL);
|
464 | ee46d8a5 | Anthony Liguori | } else {
|
465 | ee46d8a5 | Anthony Liguori | static int anon_count; |
466 | ee46d8a5 | Anthony Liguori | gchar *name = g_strdup_printf("device[%d]", anon_count++);
|
467 | 57c9fafe | Anthony Liguori | object_property_add_child(qdev_get_peripheral_anon(), name, |
468 | 57c9fafe | Anthony Liguori | OBJECT(qdev), NULL);
|
469 | ee46d8a5 | Anthony Liguori | g_free(name); |
470 | ee46d8a5 | Anthony Liguori | } |
471 | f424d5c4 | Paolo Bonzini | if (qdev_init(qdev) < 0) { |
472 | f424d5c4 | Paolo Bonzini | qerror_report(QERR_DEVICE_INIT_FAILED, driver); |
473 | f424d5c4 | Paolo Bonzini | return NULL; |
474 | f424d5c4 | Paolo Bonzini | } |
475 | ee46d8a5 | Anthony Liguori | qdev->opts = opts; |
476 | ee46d8a5 | Anthony Liguori | return qdev;
|
477 | ee46d8a5 | Anthony Liguori | } |
478 | ee46d8a5 | Anthony Liguori | |
479 | ee46d8a5 | Anthony Liguori | |
480 | ee46d8a5 | Anthony Liguori | #define qdev_printf(fmt, ...) monitor_printf(mon, "%*s" fmt, indent, "", ## __VA_ARGS__) |
481 | ee46d8a5 | Anthony Liguori | static void qbus_print(Monitor *mon, BusState *bus, int indent); |
482 | ee46d8a5 | Anthony Liguori | |
483 | ee46d8a5 | Anthony Liguori | static void qdev_print_props(Monitor *mon, DeviceState *dev, Property *props, |
484 | ee46d8a5 | Anthony Liguori | const char *prefix, int indent) |
485 | ee46d8a5 | Anthony Liguori | { |
486 | ee46d8a5 | Anthony Liguori | if (!props)
|
487 | ee46d8a5 | Anthony Liguori | return;
|
488 | d822979b | Paolo Bonzini | for (; props->name; props++) {
|
489 | d822979b | Paolo Bonzini | Error *err = NULL;
|
490 | d822979b | Paolo Bonzini | char *value;
|
491 | d822979b | Paolo Bonzini | char *legacy_name = g_strdup_printf("legacy-%s", props->name); |
492 | d822979b | Paolo Bonzini | if (object_property_get_type(OBJECT(dev), legacy_name, NULL)) { |
493 | d822979b | Paolo Bonzini | value = object_property_get_str(OBJECT(dev), legacy_name, &err); |
494 | d822979b | Paolo Bonzini | } else {
|
495 | d822979b | Paolo Bonzini | value = object_property_get_str(OBJECT(dev), props->name, &err); |
496 | d822979b | Paolo Bonzini | } |
497 | d822979b | Paolo Bonzini | g_free(legacy_name); |
498 | d822979b | Paolo Bonzini | |
499 | d822979b | Paolo Bonzini | if (err) {
|
500 | d822979b | Paolo Bonzini | error_free(err); |
501 | d822979b | Paolo Bonzini | continue;
|
502 | ee46d8a5 | Anthony Liguori | } |
503 | d822979b | Paolo Bonzini | qdev_printf("%s-prop: %s = %s\n", prefix, props->name,
|
504 | d822979b | Paolo Bonzini | value && *value ? value : "<null>");
|
505 | d822979b | Paolo Bonzini | g_free(value); |
506 | ee46d8a5 | Anthony Liguori | } |
507 | ee46d8a5 | Anthony Liguori | } |
508 | ee46d8a5 | Anthony Liguori | |
509 | ee46d8a5 | Anthony Liguori | static void qdev_print(Monitor *mon, DeviceState *dev, int indent) |
510 | ee46d8a5 | Anthony Liguori | { |
511 | ee46d8a5 | Anthony Liguori | BusState *child; |
512 | ee46d8a5 | Anthony Liguori | qdev_printf("dev: %s, id \"%s\"\n", object_get_typename(OBJECT(dev)),
|
513 | ee46d8a5 | Anthony Liguori | dev->id ? dev->id : "");
|
514 | ee46d8a5 | Anthony Liguori | indent += 2;
|
515 | ee46d8a5 | Anthony Liguori | if (dev->num_gpio_in) {
|
516 | ee46d8a5 | Anthony Liguori | qdev_printf("gpio-in %d\n", dev->num_gpio_in);
|
517 | ee46d8a5 | Anthony Liguori | } |
518 | ee46d8a5 | Anthony Liguori | if (dev->num_gpio_out) {
|
519 | ee46d8a5 | Anthony Liguori | qdev_printf("gpio-out %d\n", dev->num_gpio_out);
|
520 | ee46d8a5 | Anthony Liguori | } |
521 | ee46d8a5 | Anthony Liguori | qdev_print_props(mon, dev, qdev_get_props(dev), "dev", indent);
|
522 | ee46d8a5 | Anthony Liguori | qdev_print_props(mon, dev, dev->parent_bus->info->props, "bus", indent);
|
523 | ee46d8a5 | Anthony Liguori | if (dev->parent_bus->info->print_dev)
|
524 | ee46d8a5 | Anthony Liguori | dev->parent_bus->info->print_dev(mon, dev, indent); |
525 | ee46d8a5 | Anthony Liguori | QLIST_FOREACH(child, &dev->child_bus, sibling) { |
526 | ee46d8a5 | Anthony Liguori | qbus_print(mon, child, indent); |
527 | ee46d8a5 | Anthony Liguori | } |
528 | ee46d8a5 | Anthony Liguori | } |
529 | ee46d8a5 | Anthony Liguori | |
530 | ee46d8a5 | Anthony Liguori | static void qbus_print(Monitor *mon, BusState *bus, int indent) |
531 | ee46d8a5 | Anthony Liguori | { |
532 | ee46d8a5 | Anthony Liguori | struct DeviceState *dev;
|
533 | ee46d8a5 | Anthony Liguori | |
534 | ee46d8a5 | Anthony Liguori | qdev_printf("bus: %s\n", bus->name);
|
535 | ee46d8a5 | Anthony Liguori | indent += 2;
|
536 | ee46d8a5 | Anthony Liguori | qdev_printf("type %s\n", bus->info->name);
|
537 | ee46d8a5 | Anthony Liguori | QTAILQ_FOREACH(dev, &bus->children, sibling) { |
538 | ee46d8a5 | Anthony Liguori | qdev_print(mon, dev, indent); |
539 | ee46d8a5 | Anthony Liguori | } |
540 | ee46d8a5 | Anthony Liguori | } |
541 | ee46d8a5 | Anthony Liguori | #undef qdev_printf
|
542 | ee46d8a5 | Anthony Liguori | |
543 | ee46d8a5 | Anthony Liguori | void do_info_qtree(Monitor *mon)
|
544 | ee46d8a5 | Anthony Liguori | { |
545 | ee46d8a5 | Anthony Liguori | if (sysbus_get_default())
|
546 | ee46d8a5 | Anthony Liguori | qbus_print(mon, sysbus_get_default(), 0);
|
547 | ee46d8a5 | Anthony Liguori | } |
548 | ee46d8a5 | Anthony Liguori | |
549 | ee46d8a5 | Anthony Liguori | void do_info_qdm(Monitor *mon)
|
550 | ee46d8a5 | Anthony Liguori | { |
551 | ee46d8a5 | Anthony Liguori | object_class_foreach(qdev_print_devinfo, TYPE_DEVICE, false, NULL); |
552 | ee46d8a5 | Anthony Liguori | } |
553 | ee46d8a5 | Anthony Liguori | |
554 | ee46d8a5 | Anthony Liguori | int do_device_add(Monitor *mon, const QDict *qdict, QObject **ret_data) |
555 | ee46d8a5 | Anthony Liguori | { |
556 | ee46d8a5 | Anthony Liguori | QemuOpts *opts; |
557 | ee46d8a5 | Anthony Liguori | |
558 | ee46d8a5 | Anthony Liguori | opts = qemu_opts_from_qdict(qemu_find_opts("device"), qdict);
|
559 | ee46d8a5 | Anthony Liguori | if (!opts) {
|
560 | ee46d8a5 | Anthony Liguori | return -1; |
561 | ee46d8a5 | Anthony Liguori | } |
562 | ee46d8a5 | Anthony Liguori | if (!monitor_cur_is_qmp() && qdev_device_help(opts)) {
|
563 | ee46d8a5 | Anthony Liguori | qemu_opts_del(opts); |
564 | ee46d8a5 | Anthony Liguori | return 0; |
565 | ee46d8a5 | Anthony Liguori | } |
566 | ee46d8a5 | Anthony Liguori | if (!qdev_device_add(opts)) {
|
567 | ee46d8a5 | Anthony Liguori | qemu_opts_del(opts); |
568 | ee46d8a5 | Anthony Liguori | return -1; |
569 | ee46d8a5 | Anthony Liguori | } |
570 | ee46d8a5 | Anthony Liguori | return 0; |
571 | ee46d8a5 | Anthony Liguori | } |
572 | ee46d8a5 | Anthony Liguori | |
573 | ee46d8a5 | Anthony Liguori | int do_device_del(Monitor *mon, const QDict *qdict, QObject **ret_data) |
574 | ee46d8a5 | Anthony Liguori | { |
575 | ee46d8a5 | Anthony Liguori | const char *id = qdict_get_str(qdict, "id"); |
576 | 56f9107e | Luiz Capitulino | Error *local_err = NULL;
|
577 | ee46d8a5 | Anthony Liguori | DeviceState *dev; |
578 | ee46d8a5 | Anthony Liguori | |
579 | ee46d8a5 | Anthony Liguori | dev = qdev_find_recursive(sysbus_get_default(), id); |
580 | ee46d8a5 | Anthony Liguori | if (NULL == dev) { |
581 | ee46d8a5 | Anthony Liguori | qerror_report(QERR_DEVICE_NOT_FOUND, id); |
582 | ee46d8a5 | Anthony Liguori | return -1; |
583 | ee46d8a5 | Anthony Liguori | } |
584 | 56f9107e | Luiz Capitulino | |
585 | 56f9107e | Luiz Capitulino | qdev_unplug(dev, &local_err); |
586 | 56f9107e | Luiz Capitulino | if (error_is_set(&local_err)) {
|
587 | 56f9107e | Luiz Capitulino | qerror_report_err(local_err); |
588 | 56f9107e | Luiz Capitulino | error_free(local_err); |
589 | 56f9107e | Luiz Capitulino | return -1; |
590 | 56f9107e | Luiz Capitulino | } |
591 | 56f9107e | Luiz Capitulino | |
592 | 56f9107e | Luiz Capitulino | return 0; |
593 | ee46d8a5 | Anthony Liguori | } |
594 | ee46d8a5 | Anthony Liguori | |
595 | ee46d8a5 | Anthony Liguori | void qdev_machine_init(void) |
596 | ee46d8a5 | Anthony Liguori | { |
597 | ee46d8a5 | Anthony Liguori | qdev_get_peripheral_anon(); |
598 | ee46d8a5 | Anthony Liguori | qdev_get_peripheral(); |
599 | ee46d8a5 | Anthony Liguori | } |