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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 | a15fef21 | Luiz Capitulino | #include "qmp-commands.h" |
23 | 5f629d94 | Alexander Graf | #include "arch_init.h" |
24 | ee46d8a5 | Anthony Liguori | |
25 | ee46d8a5 | Anthony Liguori | /*
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26 | ee46d8a5 | Anthony Liguori | * Aliases were a bad idea from the start. Let's keep them
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27 | ee46d8a5 | Anthony Liguori | * from spreading further.
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28 | ee46d8a5 | Anthony Liguori | */
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29 | ee46d8a5 | Anthony Liguori | typedef struct QDevAlias |
30 | ee46d8a5 | Anthony Liguori | { |
31 | ee46d8a5 | Anthony Liguori | const char *typename; |
32 | ee46d8a5 | Anthony Liguori | const char *alias; |
33 | 5f629d94 | Alexander Graf | uint32_t arch_mask; |
34 | ee46d8a5 | Anthony Liguori | } QDevAlias; |
35 | ee46d8a5 | Anthony Liguori | |
36 | ee46d8a5 | Anthony Liguori | static const QDevAlias qdev_alias_table[] = { |
37 | 5f629d94 | Alexander Graf | { "virtio-blk-pci", "virtio-blk", QEMU_ARCH_ALL & ~QEMU_ARCH_S390X }, |
38 | 5f629d94 | Alexander Graf | { "virtio-net-pci", "virtio-net", QEMU_ARCH_ALL & ~QEMU_ARCH_S390X }, |
39 | 5f629d94 | Alexander Graf | { "virtio-serial-pci", "virtio-serial", QEMU_ARCH_ALL & ~QEMU_ARCH_S390X }, |
40 | 5f629d94 | Alexander Graf | { "virtio-balloon-pci", "virtio-balloon", |
41 | 5f629d94 | Alexander Graf | QEMU_ARCH_ALL & ~QEMU_ARCH_S390X }, |
42 | 5f629d94 | Alexander Graf | { "virtio-blk-s390", "virtio-blk", QEMU_ARCH_S390X }, |
43 | 5f629d94 | Alexander Graf | { "virtio-net-s390", "virtio-net", QEMU_ARCH_S390X }, |
44 | 5f629d94 | Alexander Graf | { "virtio-serial-s390", "virtio-serial", QEMU_ARCH_S390X }, |
45 | ee46d8a5 | Anthony Liguori | { "lsi53c895a", "lsi" }, |
46 | ee46d8a5 | Anthony Liguori | { "ich9-ahci", "ahci" }, |
47 | ee46d8a5 | Anthony Liguori | { } |
48 | ee46d8a5 | Anthony Liguori | }; |
49 | ee46d8a5 | Anthony Liguori | |
50 | ee46d8a5 | Anthony Liguori | static const char *qdev_class_get_alias(DeviceClass *dc) |
51 | ee46d8a5 | Anthony Liguori | { |
52 | ee46d8a5 | Anthony Liguori | const char *typename = object_class_get_name(OBJECT_CLASS(dc)); |
53 | ee46d8a5 | Anthony Liguori | int i;
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54 | ee46d8a5 | Anthony Liguori | |
55 | ee46d8a5 | Anthony Liguori | for (i = 0; qdev_alias_table[i].typename; i++) { |
56 | 5f629d94 | Alexander Graf | if (qdev_alias_table[i].arch_mask &&
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57 | 5f629d94 | Alexander Graf | !(qdev_alias_table[i].arch_mask & arch_type)) { |
58 | 5f629d94 | Alexander Graf | continue;
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59 | 5f629d94 | Alexander Graf | } |
60 | 5f629d94 | Alexander Graf | |
61 | ee46d8a5 | Anthony Liguori | if (strcmp(qdev_alias_table[i].typename, typename) == 0) { |
62 | ee46d8a5 | Anthony Liguori | return qdev_alias_table[i].alias;
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63 | ee46d8a5 | Anthony Liguori | } |
64 | ee46d8a5 | Anthony Liguori | } |
65 | ee46d8a5 | Anthony Liguori | |
66 | ee46d8a5 | Anthony Liguori | return NULL; |
67 | ee46d8a5 | Anthony Liguori | } |
68 | ee46d8a5 | Anthony Liguori | |
69 | ee46d8a5 | Anthony Liguori | static bool qdev_class_has_alias(DeviceClass *dc) |
70 | ee46d8a5 | Anthony Liguori | { |
71 | ee46d8a5 | Anthony Liguori | return (qdev_class_get_alias(dc) != NULL); |
72 | ee46d8a5 | Anthony Liguori | } |
73 | ee46d8a5 | Anthony Liguori | |
74 | ee46d8a5 | Anthony Liguori | static void qdev_print_devinfo(ObjectClass *klass, void *opaque) |
75 | ee46d8a5 | Anthony Liguori | { |
76 | ee46d8a5 | Anthony Liguori | DeviceClass *dc; |
77 | ee46d8a5 | Anthony Liguori | bool *show_no_user = opaque;
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78 | ee46d8a5 | Anthony Liguori | |
79 | ee46d8a5 | Anthony Liguori | dc = (DeviceClass *)object_class_dynamic_cast(klass, TYPE_DEVICE); |
80 | ee46d8a5 | Anthony Liguori | |
81 | ee46d8a5 | Anthony Liguori | if (!dc || (show_no_user && !*show_no_user && dc->no_user)) {
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82 | ee46d8a5 | Anthony Liguori | return;
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83 | ee46d8a5 | Anthony Liguori | } |
84 | ee46d8a5 | Anthony Liguori | |
85 | ee46d8a5 | Anthony Liguori | error_printf("name \"%s\"", object_class_get_name(klass));
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86 | 0d936928 | Anthony Liguori | if (dc->bus_type) {
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87 | 0d936928 | Anthony Liguori | error_printf(", bus %s", dc->bus_type);
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88 | ee46d8a5 | Anthony Liguori | } |
89 | ee46d8a5 | Anthony Liguori | if (qdev_class_has_alias(dc)) {
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90 | ee46d8a5 | Anthony Liguori | error_printf(", alias \"%s\"", qdev_class_get_alias(dc));
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91 | ee46d8a5 | Anthony Liguori | } |
92 | ee46d8a5 | Anthony Liguori | if (dc->desc) {
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93 | ee46d8a5 | Anthony Liguori | error_printf(", desc \"%s\"", dc->desc);
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94 | ee46d8a5 | Anthony Liguori | } |
95 | ee46d8a5 | Anthony Liguori | if (dc->no_user) {
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96 | ee46d8a5 | Anthony Liguori | error_printf(", no-user");
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97 | ee46d8a5 | Anthony Liguori | } |
98 | ee46d8a5 | Anthony Liguori | error_printf("\n");
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99 | ee46d8a5 | Anthony Liguori | } |
100 | ee46d8a5 | Anthony Liguori | |
101 | ee46d8a5 | Anthony Liguori | static int set_property(const char *name, const char *value, void *opaque) |
102 | ee46d8a5 | Anthony Liguori | { |
103 | ee46d8a5 | Anthony Liguori | DeviceState *dev = opaque; |
104 | ee46d8a5 | Anthony Liguori | |
105 | ee46d8a5 | Anthony Liguori | if (strcmp(name, "driver") == 0) |
106 | ee46d8a5 | Anthony Liguori | return 0; |
107 | ee46d8a5 | Anthony Liguori | if (strcmp(name, "bus") == 0) |
108 | ee46d8a5 | Anthony Liguori | return 0; |
109 | ee46d8a5 | Anthony Liguori | |
110 | ee46d8a5 | Anthony Liguori | if (qdev_prop_parse(dev, name, value) == -1) { |
111 | ee46d8a5 | Anthony Liguori | return -1; |
112 | ee46d8a5 | Anthony Liguori | } |
113 | ee46d8a5 | Anthony Liguori | return 0; |
114 | ee46d8a5 | Anthony Liguori | } |
115 | ee46d8a5 | Anthony Liguori | |
116 | ee46d8a5 | Anthony Liguori | static const char *find_typename_by_alias(const char *alias) |
117 | ee46d8a5 | Anthony Liguori | { |
118 | ee46d8a5 | Anthony Liguori | int i;
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119 | ee46d8a5 | Anthony Liguori | |
120 | ee46d8a5 | Anthony Liguori | for (i = 0; qdev_alias_table[i].alias; i++) { |
121 | 5f629d94 | Alexander Graf | if (qdev_alias_table[i].arch_mask &&
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122 | 5f629d94 | Alexander Graf | !(qdev_alias_table[i].arch_mask & arch_type)) { |
123 | 5f629d94 | Alexander Graf | continue;
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124 | 5f629d94 | Alexander Graf | } |
125 | 5f629d94 | Alexander Graf | |
126 | ee46d8a5 | Anthony Liguori | if (strcmp(qdev_alias_table[i].alias, alias) == 0) { |
127 | ee46d8a5 | Anthony Liguori | return qdev_alias_table[i].typename;
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128 | ee46d8a5 | Anthony Liguori | } |
129 | ee46d8a5 | Anthony Liguori | } |
130 | ee46d8a5 | Anthony Liguori | |
131 | ee46d8a5 | Anthony Liguori | return NULL; |
132 | ee46d8a5 | Anthony Liguori | } |
133 | ee46d8a5 | Anthony Liguori | |
134 | ee46d8a5 | Anthony Liguori | int qdev_device_help(QemuOpts *opts)
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135 | ee46d8a5 | Anthony Liguori | { |
136 | ee46d8a5 | Anthony Liguori | const char *driver; |
137 | ee46d8a5 | Anthony Liguori | Property *prop; |
138 | ee46d8a5 | Anthony Liguori | ObjectClass *klass; |
139 | ee46d8a5 | Anthony Liguori | |
140 | ee46d8a5 | Anthony Liguori | driver = qemu_opt_get(opts, "driver");
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141 | ee46d8a5 | Anthony Liguori | if (driver && !strcmp(driver, "?")) { |
142 | ee46d8a5 | Anthony Liguori | bool show_no_user = false; |
143 | ee46d8a5 | Anthony Liguori | object_class_foreach(qdev_print_devinfo, TYPE_DEVICE, false, &show_no_user);
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144 | ee46d8a5 | Anthony Liguori | return 1; |
145 | ee46d8a5 | Anthony Liguori | } |
146 | ee46d8a5 | Anthony Liguori | |
147 | ee46d8a5 | Anthony Liguori | if (!driver || !qemu_opt_get(opts, "?")) { |
148 | ee46d8a5 | Anthony Liguori | return 0; |
149 | ee46d8a5 | Anthony Liguori | } |
150 | ee46d8a5 | Anthony Liguori | |
151 | ee46d8a5 | Anthony Liguori | klass = object_class_by_name(driver); |
152 | ee46d8a5 | Anthony Liguori | if (!klass) {
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153 | ee46d8a5 | Anthony Liguori | const char *typename = find_typename_by_alias(driver); |
154 | ee46d8a5 | Anthony Liguori | |
155 | ee46d8a5 | Anthony Liguori | if (typename) {
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156 | ee46d8a5 | Anthony Liguori | driver = typename; |
157 | ee46d8a5 | Anthony Liguori | klass = object_class_by_name(driver); |
158 | ee46d8a5 | Anthony Liguori | } |
159 | ee46d8a5 | Anthony Liguori | } |
160 | ee46d8a5 | Anthony Liguori | |
161 | ee46d8a5 | Anthony Liguori | if (!klass) {
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162 | ee46d8a5 | Anthony Liguori | return 0; |
163 | ee46d8a5 | Anthony Liguori | } |
164 | bce54474 | Paolo Bonzini | do {
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165 | bce54474 | Paolo Bonzini | for (prop = DEVICE_CLASS(klass)->props; prop && prop->name; prop++) {
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166 | bce54474 | Paolo Bonzini | /*
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167 | bce54474 | Paolo Bonzini | * TODO Properties without a parser are just for dirty hacks.
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168 | bce54474 | Paolo Bonzini | * qdev_prop_ptr is the only such PropertyInfo. It's marked
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169 | bce54474 | Paolo Bonzini | * for removal. This conditional should be removed along with
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170 | bce54474 | Paolo Bonzini | * it.
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171 | bce54474 | Paolo Bonzini | */
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172 | 90ca64a9 | Paolo Bonzini | if (!prop->info->set) {
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173 | d03d6b4e | Anthony Liguori | continue; /* no way to set it, don't show */ |
174 | d03d6b4e | Anthony Liguori | } |
175 | d03d6b4e | Anthony Liguori | error_printf("%s.%s=%s\n", driver, prop->name,
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176 | d03d6b4e | Anthony Liguori | prop->info->legacy_name ?: prop->info->name); |
177 | ee46d8a5 | Anthony Liguori | } |
178 | bce54474 | Paolo Bonzini | klass = object_class_get_parent(klass); |
179 | bce54474 | Paolo Bonzini | } while (klass != object_class_by_name(TYPE_DEVICE));
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180 | ee46d8a5 | Anthony Liguori | return 1; |
181 | ee46d8a5 | Anthony Liguori | } |
182 | ee46d8a5 | Anthony Liguori | |
183 | 57c9fafe | Anthony Liguori | static Object *qdev_get_peripheral(void) |
184 | ee46d8a5 | Anthony Liguori | { |
185 | 8b45d447 | Anthony Liguori | static Object *dev;
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186 | ee46d8a5 | Anthony Liguori | |
187 | ee46d8a5 | Anthony Liguori | if (dev == NULL) { |
188 | dfe47e70 | Andreas Fรคrber | dev = container_get(qdev_get_machine(), "/peripheral");
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189 | ee46d8a5 | Anthony Liguori | } |
190 | ee46d8a5 | Anthony Liguori | |
191 | 8b45d447 | Anthony Liguori | return dev;
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192 | ee46d8a5 | Anthony Liguori | } |
193 | ee46d8a5 | Anthony Liguori | |
194 | 57c9fafe | Anthony Liguori | static Object *qdev_get_peripheral_anon(void) |
195 | ee46d8a5 | Anthony Liguori | { |
196 | 8b45d447 | Anthony Liguori | static Object *dev;
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197 | ee46d8a5 | Anthony Liguori | |
198 | ee46d8a5 | Anthony Liguori | if (dev == NULL) { |
199 | dfe47e70 | Andreas Fรคrber | dev = container_get(qdev_get_machine(), "/peripheral-anon");
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200 | ee46d8a5 | Anthony Liguori | } |
201 | ee46d8a5 | Anthony Liguori | |
202 | 8b45d447 | Anthony Liguori | return dev;
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203 | ee46d8a5 | Anthony Liguori | } |
204 | ee46d8a5 | Anthony Liguori | |
205 | ee46d8a5 | Anthony Liguori | static void qbus_list_bus(DeviceState *dev) |
206 | ee46d8a5 | Anthony Liguori | { |
207 | ee46d8a5 | Anthony Liguori | BusState *child; |
208 | ee46d8a5 | Anthony Liguori | const char *sep = " "; |
209 | ee46d8a5 | Anthony Liguori | |
210 | ee46d8a5 | Anthony Liguori | error_printf("child busses at \"%s\":",
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211 | ee46d8a5 | Anthony Liguori | dev->id ? dev->id : object_get_typename(OBJECT(dev))); |
212 | ee46d8a5 | Anthony Liguori | QLIST_FOREACH(child, &dev->child_bus, sibling) { |
213 | ee46d8a5 | Anthony Liguori | error_printf("%s\"%s\"", sep, child->name);
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214 | ee46d8a5 | Anthony Liguori | sep = ", ";
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215 | ee46d8a5 | Anthony Liguori | } |
216 | ee46d8a5 | Anthony Liguori | error_printf("\n");
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217 | ee46d8a5 | Anthony Liguori | } |
218 | ee46d8a5 | Anthony Liguori | |
219 | ee46d8a5 | Anthony Liguori | static void qbus_list_dev(BusState *bus) |
220 | ee46d8a5 | Anthony Liguori | { |
221 | 0866aca1 | Anthony Liguori | BusChild *kid; |
222 | ee46d8a5 | Anthony Liguori | const char *sep = " "; |
223 | ee46d8a5 | Anthony Liguori | |
224 | ee46d8a5 | Anthony Liguori | error_printf("devices at \"%s\":", bus->name);
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225 | 0866aca1 | Anthony Liguori | QTAILQ_FOREACH(kid, &bus->children, sibling) { |
226 | 0866aca1 | Anthony Liguori | DeviceState *dev = kid->child; |
227 | ee46d8a5 | Anthony Liguori | error_printf("%s\"%s\"", sep, object_get_typename(OBJECT(dev)));
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228 | ee46d8a5 | Anthony Liguori | if (dev->id)
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229 | ee46d8a5 | Anthony Liguori | error_printf("/\"%s\"", dev->id);
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230 | ee46d8a5 | Anthony Liguori | sep = ", ";
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231 | ee46d8a5 | Anthony Liguori | } |
232 | ee46d8a5 | Anthony Liguori | error_printf("\n");
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233 | ee46d8a5 | Anthony Liguori | } |
234 | ee46d8a5 | Anthony Liguori | |
235 | ee46d8a5 | Anthony Liguori | static BusState *qbus_find_bus(DeviceState *dev, char *elem) |
236 | ee46d8a5 | Anthony Liguori | { |
237 | ee46d8a5 | Anthony Liguori | BusState *child; |
238 | ee46d8a5 | Anthony Liguori | |
239 | ee46d8a5 | Anthony Liguori | QLIST_FOREACH(child, &dev->child_bus, sibling) { |
240 | ee46d8a5 | Anthony Liguori | if (strcmp(child->name, elem) == 0) { |
241 | ee46d8a5 | Anthony Liguori | return child;
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242 | ee46d8a5 | Anthony Liguori | } |
243 | ee46d8a5 | Anthony Liguori | } |
244 | ee46d8a5 | Anthony Liguori | return NULL; |
245 | ee46d8a5 | Anthony Liguori | } |
246 | ee46d8a5 | Anthony Liguori | |
247 | ee46d8a5 | Anthony Liguori | static DeviceState *qbus_find_dev(BusState *bus, char *elem) |
248 | ee46d8a5 | Anthony Liguori | { |
249 | 0866aca1 | Anthony Liguori | BusChild *kid; |
250 | ee46d8a5 | Anthony Liguori | |
251 | ee46d8a5 | Anthony Liguori | /*
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252 | ee46d8a5 | Anthony Liguori | * try to match in order:
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253 | ee46d8a5 | Anthony Liguori | * (1) instance id, if present
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254 | ee46d8a5 | Anthony Liguori | * (2) driver name
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255 | ee46d8a5 | Anthony Liguori | * (3) driver alias, if present
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256 | ee46d8a5 | Anthony Liguori | */
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257 | 0866aca1 | Anthony Liguori | QTAILQ_FOREACH(kid, &bus->children, sibling) { |
258 | 0866aca1 | Anthony Liguori | DeviceState *dev = kid->child; |
259 | ee46d8a5 | Anthony Liguori | if (dev->id && strcmp(dev->id, elem) == 0) { |
260 | ee46d8a5 | Anthony Liguori | return dev;
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261 | ee46d8a5 | Anthony Liguori | } |
262 | ee46d8a5 | Anthony Liguori | } |
263 | 0866aca1 | Anthony Liguori | QTAILQ_FOREACH(kid, &bus->children, sibling) { |
264 | 0866aca1 | Anthony Liguori | DeviceState *dev = kid->child; |
265 | ee46d8a5 | Anthony Liguori | if (strcmp(object_get_typename(OBJECT(dev)), elem) == 0) { |
266 | ee46d8a5 | Anthony Liguori | return dev;
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267 | ee46d8a5 | Anthony Liguori | } |
268 | ee46d8a5 | Anthony Liguori | } |
269 | 0866aca1 | Anthony Liguori | QTAILQ_FOREACH(kid, &bus->children, sibling) { |
270 | 0866aca1 | Anthony Liguori | DeviceState *dev = kid->child; |
271 | ee46d8a5 | Anthony Liguori | DeviceClass *dc = DEVICE_GET_CLASS(dev); |
272 | ee46d8a5 | Anthony Liguori | |
273 | ee46d8a5 | Anthony Liguori | if (qdev_class_has_alias(dc) &&
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274 | ee46d8a5 | Anthony Liguori | strcmp(qdev_class_get_alias(dc), elem) == 0) {
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275 | ee46d8a5 | Anthony Liguori | return dev;
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276 | ee46d8a5 | Anthony Liguori | } |
277 | ee46d8a5 | Anthony Liguori | } |
278 | ee46d8a5 | Anthony Liguori | return NULL; |
279 | ee46d8a5 | Anthony Liguori | } |
280 | ee46d8a5 | Anthony Liguori | |
281 | ee46d8a5 | Anthony Liguori | static BusState *qbus_find_recursive(BusState *bus, const char *name, |
282 | 0d936928 | Anthony Liguori | const char *bus_typename) |
283 | ee46d8a5 | Anthony Liguori | { |
284 | 0866aca1 | Anthony Liguori | BusChild *kid; |
285 | ee46d8a5 | Anthony Liguori | BusState *child, *ret; |
286 | ee46d8a5 | Anthony Liguori | int match = 1; |
287 | ee46d8a5 | Anthony Liguori | |
288 | ee46d8a5 | Anthony Liguori | if (name && (strcmp(bus->name, name) != 0)) { |
289 | ee46d8a5 | Anthony Liguori | match = 0;
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290 | ee46d8a5 | Anthony Liguori | } |
291 | 0d936928 | Anthony Liguori | if (bus_typename &&
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292 | 0d936928 | Anthony Liguori | (strcmp(object_get_typename(OBJECT(bus)), bus_typename) != 0)) {
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293 | ee46d8a5 | Anthony Liguori | match = 0;
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294 | ee46d8a5 | Anthony Liguori | } |
295 | ee46d8a5 | Anthony Liguori | if (match) {
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296 | ee46d8a5 | Anthony Liguori | return bus;
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297 | ee46d8a5 | Anthony Liguori | } |
298 | ee46d8a5 | Anthony Liguori | |
299 | 0866aca1 | Anthony Liguori | QTAILQ_FOREACH(kid, &bus->children, sibling) { |
300 | 0866aca1 | Anthony Liguori | DeviceState *dev = kid->child; |
301 | ee46d8a5 | Anthony Liguori | QLIST_FOREACH(child, &dev->child_bus, sibling) { |
302 | 0d936928 | Anthony Liguori | ret = qbus_find_recursive(child, name, bus_typename); |
303 | ee46d8a5 | Anthony Liguori | if (ret) {
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304 | ee46d8a5 | Anthony Liguori | return ret;
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305 | ee46d8a5 | Anthony Liguori | } |
306 | ee46d8a5 | Anthony Liguori | } |
307 | ee46d8a5 | Anthony Liguori | } |
308 | ee46d8a5 | Anthony Liguori | return NULL; |
309 | ee46d8a5 | Anthony Liguori | } |
310 | ee46d8a5 | Anthony Liguori | |
311 | ee46d8a5 | Anthony Liguori | static BusState *qbus_find(const char *path) |
312 | ee46d8a5 | Anthony Liguori | { |
313 | ee46d8a5 | Anthony Liguori | DeviceState *dev; |
314 | ee46d8a5 | Anthony Liguori | BusState *bus; |
315 | ee46d8a5 | Anthony Liguori | char elem[128]; |
316 | ee46d8a5 | Anthony Liguori | int pos, len;
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317 | ee46d8a5 | Anthony Liguori | |
318 | ee46d8a5 | Anthony Liguori | /* find start element */
|
319 | ee46d8a5 | Anthony Liguori | if (path[0] == '/') { |
320 | ee46d8a5 | Anthony Liguori | bus = sysbus_get_default(); |
321 | ee46d8a5 | Anthony Liguori | pos = 0;
|
322 | ee46d8a5 | Anthony Liguori | } else {
|
323 | ee46d8a5 | Anthony Liguori | if (sscanf(path, "%127[^/]%n", elem, &len) != 1) { |
324 | ee46d8a5 | Anthony Liguori | assert(!path[0]);
|
325 | ee46d8a5 | Anthony Liguori | elem[0] = len = 0; |
326 | ee46d8a5 | Anthony Liguori | } |
327 | ee46d8a5 | Anthony Liguori | bus = qbus_find_recursive(sysbus_get_default(), elem, NULL);
|
328 | ee46d8a5 | Anthony Liguori | if (!bus) {
|
329 | ee46d8a5 | Anthony Liguori | qerror_report(QERR_BUS_NOT_FOUND, elem); |
330 | ee46d8a5 | Anthony Liguori | return NULL; |
331 | ee46d8a5 | Anthony Liguori | } |
332 | ee46d8a5 | Anthony Liguori | pos = len; |
333 | ee46d8a5 | Anthony Liguori | } |
334 | ee46d8a5 | Anthony Liguori | |
335 | ee46d8a5 | Anthony Liguori | for (;;) {
|
336 | ee46d8a5 | Anthony Liguori | assert(path[pos] == '/' || !path[pos]);
|
337 | ee46d8a5 | Anthony Liguori | while (path[pos] == '/') { |
338 | ee46d8a5 | Anthony Liguori | pos++; |
339 | ee46d8a5 | Anthony Liguori | } |
340 | ee46d8a5 | Anthony Liguori | if (path[pos] == '\0') { |
341 | ee46d8a5 | Anthony Liguori | return bus;
|
342 | ee46d8a5 | Anthony Liguori | } |
343 | ee46d8a5 | Anthony Liguori | |
344 | ee46d8a5 | Anthony Liguori | /* find device */
|
345 | ee46d8a5 | Anthony Liguori | if (sscanf(path+pos, "%127[^/]%n", elem, &len) != 1) { |
346 | ee46d8a5 | Anthony Liguori | assert(0);
|
347 | ee46d8a5 | Anthony Liguori | elem[0] = len = 0; |
348 | ee46d8a5 | Anthony Liguori | } |
349 | ee46d8a5 | Anthony Liguori | pos += len; |
350 | ee46d8a5 | Anthony Liguori | dev = qbus_find_dev(bus, elem); |
351 | ee46d8a5 | Anthony Liguori | if (!dev) {
|
352 | ee46d8a5 | Anthony Liguori | qerror_report(QERR_DEVICE_NOT_FOUND, elem); |
353 | ee46d8a5 | Anthony Liguori | if (!monitor_cur_is_qmp()) {
|
354 | ee46d8a5 | Anthony Liguori | qbus_list_dev(bus); |
355 | ee46d8a5 | Anthony Liguori | } |
356 | ee46d8a5 | Anthony Liguori | return NULL; |
357 | ee46d8a5 | Anthony Liguori | } |
358 | ee46d8a5 | Anthony Liguori | |
359 | ee46d8a5 | Anthony Liguori | assert(path[pos] == '/' || !path[pos]);
|
360 | ee46d8a5 | Anthony Liguori | while (path[pos] == '/') { |
361 | ee46d8a5 | Anthony Liguori | pos++; |
362 | ee46d8a5 | Anthony Liguori | } |
363 | ee46d8a5 | Anthony Liguori | if (path[pos] == '\0') { |
364 | ee46d8a5 | Anthony Liguori | /* last specified element is a device. If it has exactly
|
365 | ee46d8a5 | Anthony Liguori | * one child bus accept it nevertheless */
|
366 | ee46d8a5 | Anthony Liguori | switch (dev->num_child_bus) {
|
367 | ee46d8a5 | Anthony Liguori | case 0: |
368 | ee46d8a5 | Anthony Liguori | qerror_report(QERR_DEVICE_NO_BUS, elem); |
369 | ee46d8a5 | Anthony Liguori | return NULL; |
370 | ee46d8a5 | Anthony Liguori | case 1: |
371 | ee46d8a5 | Anthony Liguori | return QLIST_FIRST(&dev->child_bus);
|
372 | ee46d8a5 | Anthony Liguori | default:
|
373 | ee46d8a5 | Anthony Liguori | qerror_report(QERR_DEVICE_MULTIPLE_BUSSES, elem); |
374 | ee46d8a5 | Anthony Liguori | if (!monitor_cur_is_qmp()) {
|
375 | ee46d8a5 | Anthony Liguori | qbus_list_bus(dev); |
376 | ee46d8a5 | Anthony Liguori | } |
377 | ee46d8a5 | Anthony Liguori | return NULL; |
378 | ee46d8a5 | Anthony Liguori | } |
379 | ee46d8a5 | Anthony Liguori | } |
380 | ee46d8a5 | Anthony Liguori | |
381 | ee46d8a5 | Anthony Liguori | /* find bus */
|
382 | ee46d8a5 | Anthony Liguori | if (sscanf(path+pos, "%127[^/]%n", elem, &len) != 1) { |
383 | ee46d8a5 | Anthony Liguori | assert(0);
|
384 | ee46d8a5 | Anthony Liguori | elem[0] = len = 0; |
385 | ee46d8a5 | Anthony Liguori | } |
386 | ee46d8a5 | Anthony Liguori | pos += len; |
387 | ee46d8a5 | Anthony Liguori | bus = qbus_find_bus(dev, elem); |
388 | ee46d8a5 | Anthony Liguori | if (!bus) {
|
389 | ee46d8a5 | Anthony Liguori | qerror_report(QERR_BUS_NOT_FOUND, elem); |
390 | ee46d8a5 | Anthony Liguori | if (!monitor_cur_is_qmp()) {
|
391 | ee46d8a5 | Anthony Liguori | qbus_list_bus(dev); |
392 | ee46d8a5 | Anthony Liguori | } |
393 | ee46d8a5 | Anthony Liguori | return NULL; |
394 | ee46d8a5 | Anthony Liguori | } |
395 | ee46d8a5 | Anthony Liguori | } |
396 | ee46d8a5 | Anthony Liguori | } |
397 | ee46d8a5 | Anthony Liguori | |
398 | ee46d8a5 | Anthony Liguori | DeviceState *qdev_device_add(QemuOpts *opts) |
399 | ee46d8a5 | Anthony Liguori | { |
400 | ee46d8a5 | Anthony Liguori | ObjectClass *obj; |
401 | ee46d8a5 | Anthony Liguori | DeviceClass *k; |
402 | ee46d8a5 | Anthony Liguori | const char *driver, *path, *id; |
403 | ee46d8a5 | Anthony Liguori | DeviceState *qdev; |
404 | ee46d8a5 | Anthony Liguori | BusState *bus; |
405 | ee46d8a5 | Anthony Liguori | |
406 | ee46d8a5 | Anthony Liguori | driver = qemu_opt_get(opts, "driver");
|
407 | ee46d8a5 | Anthony Liguori | if (!driver) {
|
408 | ee46d8a5 | Anthony Liguori | qerror_report(QERR_MISSING_PARAMETER, "driver");
|
409 | ee46d8a5 | Anthony Liguori | return NULL; |
410 | ee46d8a5 | Anthony Liguori | } |
411 | ee46d8a5 | Anthony Liguori | |
412 | ee46d8a5 | Anthony Liguori | /* find driver */
|
413 | ee46d8a5 | Anthony Liguori | obj = object_class_by_name(driver); |
414 | ee46d8a5 | Anthony Liguori | if (!obj) {
|
415 | ee46d8a5 | Anthony Liguori | const char *typename = find_typename_by_alias(driver); |
416 | ee46d8a5 | Anthony Liguori | |
417 | ee46d8a5 | Anthony Liguori | if (typename) {
|
418 | ee46d8a5 | Anthony Liguori | driver = typename; |
419 | ee46d8a5 | Anthony Liguori | obj = object_class_by_name(driver); |
420 | ee46d8a5 | Anthony Liguori | } |
421 | ee46d8a5 | Anthony Liguori | } |
422 | ee46d8a5 | Anthony Liguori | |
423 | ee46d8a5 | Anthony Liguori | if (!obj) {
|
424 | ee46d8a5 | Anthony Liguori | qerror_report(QERR_INVALID_PARAMETER_VALUE, "driver", "device type"); |
425 | ee46d8a5 | Anthony Liguori | return NULL; |
426 | ee46d8a5 | Anthony Liguori | } |
427 | ee46d8a5 | Anthony Liguori | |
428 | ee46d8a5 | Anthony Liguori | k = DEVICE_CLASS(obj); |
429 | ee46d8a5 | Anthony Liguori | |
430 | ee46d8a5 | Anthony Liguori | /* find bus */
|
431 | ee46d8a5 | Anthony Liguori | path = qemu_opt_get(opts, "bus");
|
432 | ee46d8a5 | Anthony Liguori | if (path != NULL) { |
433 | ee46d8a5 | Anthony Liguori | bus = qbus_find(path); |
434 | ee46d8a5 | Anthony Liguori | if (!bus) {
|
435 | ee46d8a5 | Anthony Liguori | return NULL; |
436 | ee46d8a5 | Anthony Liguori | } |
437 | 0d936928 | Anthony Liguori | if (strcmp(object_get_typename(OBJECT(bus)), k->bus_type) != 0) { |
438 | ee46d8a5 | Anthony Liguori | qerror_report(QERR_BAD_BUS_FOR_DEVICE, |
439 | 0d936928 | Anthony Liguori | driver, object_get_typename(OBJECT(bus))); |
440 | ee46d8a5 | Anthony Liguori | return NULL; |
441 | ee46d8a5 | Anthony Liguori | } |
442 | ee46d8a5 | Anthony Liguori | } else {
|
443 | 0d936928 | Anthony Liguori | bus = qbus_find_recursive(sysbus_get_default(), NULL, k->bus_type);
|
444 | ee46d8a5 | Anthony Liguori | if (!bus) {
|
445 | ee46d8a5 | Anthony Liguori | qerror_report(QERR_NO_BUS_FOR_DEVICE, |
446 | 0d936928 | Anthony Liguori | driver, k->bus_type); |
447 | ee46d8a5 | Anthony Liguori | return NULL; |
448 | ee46d8a5 | Anthony Liguori | } |
449 | ee46d8a5 | Anthony Liguori | } |
450 | ee46d8a5 | Anthony Liguori | if (qdev_hotplug && !bus->allow_hotplug) {
|
451 | ee46d8a5 | Anthony Liguori | qerror_report(QERR_BUS_NO_HOTPLUG, bus->name); |
452 | ee46d8a5 | Anthony Liguori | return NULL; |
453 | ee46d8a5 | Anthony Liguori | } |
454 | ee46d8a5 | Anthony Liguori | |
455 | ee46d8a5 | Anthony Liguori | if (!bus) {
|
456 | ee46d8a5 | Anthony Liguori | bus = sysbus_get_default(); |
457 | ee46d8a5 | Anthony Liguori | } |
458 | ee46d8a5 | Anthony Liguori | |
459 | ee46d8a5 | Anthony Liguori | /* create device, set properties */
|
460 | ee46d8a5 | Anthony Liguori | qdev = DEVICE(object_new(driver)); |
461 | ee46d8a5 | Anthony Liguori | qdev_set_parent_bus(qdev, bus); |
462 | ee46d8a5 | Anthony Liguori | |
463 | ee46d8a5 | Anthony Liguori | id = qemu_opts_id(opts); |
464 | ee46d8a5 | Anthony Liguori | if (id) {
|
465 | ee46d8a5 | Anthony Liguori | qdev->id = id; |
466 | b2d4b3f7 | Anthony Liguori | } |
467 | b2d4b3f7 | Anthony Liguori | if (qemu_opt_foreach(opts, set_property, qdev, 1) != 0) { |
468 | b2d4b3f7 | Anthony Liguori | qdev_free(qdev); |
469 | b2d4b3f7 | Anthony Liguori | return NULL; |
470 | b2d4b3f7 | Anthony Liguori | } |
471 | b2d4b3f7 | Anthony Liguori | if (qdev->id) {
|
472 | 57c9fafe | Anthony Liguori | object_property_add_child(qdev_get_peripheral(), qdev->id, |
473 | 57c9fafe | Anthony Liguori | OBJECT(qdev), NULL);
|
474 | ee46d8a5 | Anthony Liguori | } else {
|
475 | ee46d8a5 | Anthony Liguori | static int anon_count; |
476 | ee46d8a5 | Anthony Liguori | gchar *name = g_strdup_printf("device[%d]", anon_count++);
|
477 | 57c9fafe | Anthony Liguori | object_property_add_child(qdev_get_peripheral_anon(), name, |
478 | 57c9fafe | Anthony Liguori | OBJECT(qdev), NULL);
|
479 | ee46d8a5 | Anthony Liguori | g_free(name); |
480 | ee46d8a5 | Anthony Liguori | } |
481 | f424d5c4 | Paolo Bonzini | if (qdev_init(qdev) < 0) { |
482 | f424d5c4 | Paolo Bonzini | qerror_report(QERR_DEVICE_INIT_FAILED, driver); |
483 | f424d5c4 | Paolo Bonzini | return NULL; |
484 | f424d5c4 | Paolo Bonzini | } |
485 | ee46d8a5 | Anthony Liguori | qdev->opts = opts; |
486 | ee46d8a5 | Anthony Liguori | return qdev;
|
487 | ee46d8a5 | Anthony Liguori | } |
488 | ee46d8a5 | Anthony Liguori | |
489 | ee46d8a5 | Anthony Liguori | |
490 | ee46d8a5 | Anthony Liguori | #define qdev_printf(fmt, ...) monitor_printf(mon, "%*s" fmt, indent, "", ## __VA_ARGS__) |
491 | ee46d8a5 | Anthony Liguori | static void qbus_print(Monitor *mon, BusState *bus, int indent); |
492 | ee46d8a5 | Anthony Liguori | |
493 | ee46d8a5 | Anthony Liguori | static void qdev_print_props(Monitor *mon, DeviceState *dev, Property *props, |
494 | bce54474 | Paolo Bonzini | int indent)
|
495 | ee46d8a5 | Anthony Liguori | { |
496 | ee46d8a5 | Anthony Liguori | if (!props)
|
497 | ee46d8a5 | Anthony Liguori | return;
|
498 | d822979b | Paolo Bonzini | for (; props->name; props++) {
|
499 | d822979b | Paolo Bonzini | Error *err = NULL;
|
500 | d822979b | Paolo Bonzini | char *value;
|
501 | d822979b | Paolo Bonzini | char *legacy_name = g_strdup_printf("legacy-%s", props->name); |
502 | d822979b | Paolo Bonzini | if (object_property_get_type(OBJECT(dev), legacy_name, NULL)) { |
503 | d822979b | Paolo Bonzini | value = object_property_get_str(OBJECT(dev), legacy_name, &err); |
504 | d822979b | Paolo Bonzini | } else {
|
505 | 8185bfc1 | Paolo Bonzini | value = object_property_print(OBJECT(dev), props->name, &err); |
506 | d822979b | Paolo Bonzini | } |
507 | d822979b | Paolo Bonzini | g_free(legacy_name); |
508 | d822979b | Paolo Bonzini | |
509 | d822979b | Paolo Bonzini | if (err) {
|
510 | d822979b | Paolo Bonzini | error_free(err); |
511 | d822979b | Paolo Bonzini | continue;
|
512 | ee46d8a5 | Anthony Liguori | } |
513 | bce54474 | Paolo Bonzini | qdev_printf("%s = %s\n", props->name,
|
514 | d822979b | Paolo Bonzini | value && *value ? value : "<null>");
|
515 | d822979b | Paolo Bonzini | g_free(value); |
516 | ee46d8a5 | Anthony Liguori | } |
517 | ee46d8a5 | Anthony Liguori | } |
518 | ee46d8a5 | Anthony Liguori | |
519 | 0d936928 | Anthony Liguori | static void bus_print_dev(BusState *bus, Monitor *mon, DeviceState *dev, int indent) |
520 | 0d936928 | Anthony Liguori | { |
521 | 0d936928 | Anthony Liguori | BusClass *bc = BUS_GET_CLASS(bus); |
522 | 0d936928 | Anthony Liguori | |
523 | 0d936928 | Anthony Liguori | if (bc->print_dev) {
|
524 | 0d936928 | Anthony Liguori | bc->print_dev(mon, dev, indent); |
525 | 0d936928 | Anthony Liguori | } |
526 | 0d936928 | Anthony Liguori | } |
527 | 0d936928 | Anthony Liguori | |
528 | ee46d8a5 | Anthony Liguori | static void qdev_print(Monitor *mon, DeviceState *dev, int indent) |
529 | ee46d8a5 | Anthony Liguori | { |
530 | bce54474 | Paolo Bonzini | ObjectClass *class; |
531 | ee46d8a5 | Anthony Liguori | BusState *child; |
532 | ee46d8a5 | Anthony Liguori | qdev_printf("dev: %s, id \"%s\"\n", object_get_typename(OBJECT(dev)),
|
533 | ee46d8a5 | Anthony Liguori | dev->id ? dev->id : "");
|
534 | ee46d8a5 | Anthony Liguori | indent += 2;
|
535 | ee46d8a5 | Anthony Liguori | if (dev->num_gpio_in) {
|
536 | ee46d8a5 | Anthony Liguori | qdev_printf("gpio-in %d\n", dev->num_gpio_in);
|
537 | ee46d8a5 | Anthony Liguori | } |
538 | ee46d8a5 | Anthony Liguori | if (dev->num_gpio_out) {
|
539 | ee46d8a5 | Anthony Liguori | qdev_printf("gpio-out %d\n", dev->num_gpio_out);
|
540 | ee46d8a5 | Anthony Liguori | } |
541 | bce54474 | Paolo Bonzini | class = object_get_class(OBJECT(dev)); |
542 | bce54474 | Paolo Bonzini | do {
|
543 | bce54474 | Paolo Bonzini | qdev_print_props(mon, dev, DEVICE_CLASS(class)->props, indent); |
544 | bce54474 | Paolo Bonzini | class = object_class_get_parent(class); |
545 | bce54474 | Paolo Bonzini | } while (class != object_class_by_name(TYPE_DEVICE));
|
546 | 0d936928 | Anthony Liguori | bus_print_dev(dev->parent_bus, mon, dev, indent + 2);
|
547 | ee46d8a5 | Anthony Liguori | QLIST_FOREACH(child, &dev->child_bus, sibling) { |
548 | ee46d8a5 | Anthony Liguori | qbus_print(mon, child, indent); |
549 | ee46d8a5 | Anthony Liguori | } |
550 | ee46d8a5 | Anthony Liguori | } |
551 | ee46d8a5 | Anthony Liguori | |
552 | ee46d8a5 | Anthony Liguori | static void qbus_print(Monitor *mon, BusState *bus, int indent) |
553 | ee46d8a5 | Anthony Liguori | { |
554 | 0866aca1 | Anthony Liguori | BusChild *kid; |
555 | ee46d8a5 | Anthony Liguori | |
556 | ee46d8a5 | Anthony Liguori | qdev_printf("bus: %s\n", bus->name);
|
557 | ee46d8a5 | Anthony Liguori | indent += 2;
|
558 | 0d936928 | Anthony Liguori | qdev_printf("type %s\n", object_get_typename(OBJECT(bus)));
|
559 | 0866aca1 | Anthony Liguori | QTAILQ_FOREACH(kid, &bus->children, sibling) { |
560 | 0866aca1 | Anthony Liguori | DeviceState *dev = kid->child; |
561 | ee46d8a5 | Anthony Liguori | qdev_print(mon, dev, indent); |
562 | ee46d8a5 | Anthony Liguori | } |
563 | ee46d8a5 | Anthony Liguori | } |
564 | ee46d8a5 | Anthony Liguori | #undef qdev_printf
|
565 | ee46d8a5 | Anthony Liguori | |
566 | ee46d8a5 | Anthony Liguori | void do_info_qtree(Monitor *mon)
|
567 | ee46d8a5 | Anthony Liguori | { |
568 | ee46d8a5 | Anthony Liguori | if (sysbus_get_default())
|
569 | ee46d8a5 | Anthony Liguori | qbus_print(mon, sysbus_get_default(), 0);
|
570 | ee46d8a5 | Anthony Liguori | } |
571 | ee46d8a5 | Anthony Liguori | |
572 | ee46d8a5 | Anthony Liguori | void do_info_qdm(Monitor *mon)
|
573 | ee46d8a5 | Anthony Liguori | { |
574 | ee46d8a5 | Anthony Liguori | object_class_foreach(qdev_print_devinfo, TYPE_DEVICE, false, NULL); |
575 | ee46d8a5 | Anthony Liguori | } |
576 | ee46d8a5 | Anthony Liguori | |
577 | ee46d8a5 | Anthony Liguori | int do_device_add(Monitor *mon, const QDict *qdict, QObject **ret_data) |
578 | ee46d8a5 | Anthony Liguori | { |
579 | 4e89978e | Luiz Capitulino | Error *local_err = NULL;
|
580 | ee46d8a5 | Anthony Liguori | QemuOpts *opts; |
581 | ee46d8a5 | Anthony Liguori | |
582 | 4e89978e | Luiz Capitulino | opts = qemu_opts_from_qdict(qemu_find_opts("device"), qdict, &local_err);
|
583 | 4e89978e | Luiz Capitulino | if (error_is_set(&local_err)) {
|
584 | 4e89978e | Luiz Capitulino | qerror_report_err(local_err); |
585 | 4e89978e | Luiz Capitulino | error_free(local_err); |
586 | ee46d8a5 | Anthony Liguori | return -1; |
587 | ee46d8a5 | Anthony Liguori | } |
588 | ee46d8a5 | Anthony Liguori | if (!monitor_cur_is_qmp() && qdev_device_help(opts)) {
|
589 | ee46d8a5 | Anthony Liguori | qemu_opts_del(opts); |
590 | ee46d8a5 | Anthony Liguori | return 0; |
591 | ee46d8a5 | Anthony Liguori | } |
592 | ee46d8a5 | Anthony Liguori | if (!qdev_device_add(opts)) {
|
593 | ee46d8a5 | Anthony Liguori | qemu_opts_del(opts); |
594 | ee46d8a5 | Anthony Liguori | return -1; |
595 | ee46d8a5 | Anthony Liguori | } |
596 | ee46d8a5 | Anthony Liguori | return 0; |
597 | ee46d8a5 | Anthony Liguori | } |
598 | ee46d8a5 | Anthony Liguori | |
599 | a15fef21 | Luiz Capitulino | void qmp_device_del(const char *id, Error **errp) |
600 | ee46d8a5 | Anthony Liguori | { |
601 | ee46d8a5 | Anthony Liguori | DeviceState *dev; |
602 | ee46d8a5 | Anthony Liguori | |
603 | ee46d8a5 | Anthony Liguori | dev = qdev_find_recursive(sysbus_get_default(), id); |
604 | ee46d8a5 | Anthony Liguori | if (NULL == dev) { |
605 | a15fef21 | Luiz Capitulino | error_set(errp, QERR_DEVICE_NOT_FOUND, id); |
606 | a15fef21 | Luiz Capitulino | return;
|
607 | 56f9107e | Luiz Capitulino | } |
608 | 56f9107e | Luiz Capitulino | |
609 | a15fef21 | Luiz Capitulino | qdev_unplug(dev, errp); |
610 | ee46d8a5 | Anthony Liguori | } |
611 | ee46d8a5 | Anthony Liguori | |
612 | ee46d8a5 | Anthony Liguori | void qdev_machine_init(void) |
613 | ee46d8a5 | Anthony Liguori | { |
614 | ee46d8a5 | Anthony Liguori | qdev_get_peripheral_anon(); |
615 | ee46d8a5 | Anthony Liguori | qdev_get_peripheral(); |
616 | ee46d8a5 | Anthony Liguori | } |