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1 | /* | |
2 | * QEMU Management Protocol | |
3 | * | |
4 | * Copyright IBM, Corp. 2011 | |
5 | * | |
6 | * Authors: | |
7 | * Anthony Liguori <aliguori@us.ibm.com> | |
8 | * | |
9 | * This work is licensed under the terms of the GNU GPL, version 2. See | |
10 | * the COPYING file in the top-level directory. | |
11 | * | |
12 | */ | |
13 | ||
14 | #include "qemu-common.h" | |
15 | #include "sysemu.h" | |
16 | #include "qmp-commands.h" | |
17 | #include "kvm.h" | |
18 | #include "arch_init.h" | |
19 | #include "hw/qdev.h" | |
20 | ||
21 | NameInfo *qmp_query_name(Error **errp) | |
22 | { | |
23 | NameInfo *info = g_malloc0(sizeof(*info)); | |
24 | ||
25 | if (qemu_name) { | |
26 | info->has_name = true; | |
27 | info->name = g_strdup(qemu_name); | |
28 | } | |
29 | ||
30 | return info; | |
31 | } | |
32 | ||
33 | VersionInfo *qmp_query_version(Error **err) | |
34 | { | |
35 | VersionInfo *info = g_malloc0(sizeof(*info)); | |
36 | const char *version = QEMU_VERSION; | |
37 | char *tmp; | |
38 | ||
39 | info->qemu.major = strtol(version, &tmp, 10); | |
40 | tmp++; | |
41 | info->qemu.minor = strtol(tmp, &tmp, 10); | |
42 | tmp++; | |
43 | info->qemu.micro = strtol(tmp, &tmp, 10); | |
44 | info->package = g_strdup(QEMU_PKGVERSION); | |
45 | ||
46 | return info; | |
47 | } | |
48 | ||
49 | KvmInfo *qmp_query_kvm(Error **errp) | |
50 | { | |
51 | KvmInfo *info = g_malloc0(sizeof(*info)); | |
52 | ||
53 | info->enabled = kvm_enabled(); | |
54 | info->present = kvm_available(); | |
55 | ||
56 | return info; | |
57 | } | |
58 | ||
59 | UuidInfo *qmp_query_uuid(Error **errp) | |
60 | { | |
61 | UuidInfo *info = g_malloc0(sizeof(*info)); | |
62 | char uuid[64]; | |
63 | ||
64 | snprintf(uuid, sizeof(uuid), UUID_FMT, qemu_uuid[0], qemu_uuid[1], | |
65 | qemu_uuid[2], qemu_uuid[3], qemu_uuid[4], qemu_uuid[5], | |
66 | qemu_uuid[6], qemu_uuid[7], qemu_uuid[8], qemu_uuid[9], | |
67 | qemu_uuid[10], qemu_uuid[11], qemu_uuid[12], qemu_uuid[13], | |
68 | qemu_uuid[14], qemu_uuid[15]); | |
69 | ||
70 | info->UUID = g_strdup(uuid); | |
71 | return info; | |
72 | } | |
73 | ||
74 | void qmp_quit(Error **err) | |
75 | { | |
76 | no_shutdown = 0; | |
77 | qemu_system_shutdown_request(); | |
78 | } | |
79 | ||
80 | void qmp_stop(Error **errp) | |
81 | { | |
82 | vm_stop(RUN_STATE_PAUSED); | |
83 | } | |
84 | ||
85 | void qmp_system_reset(Error **errp) | |
86 | { | |
87 | qemu_system_reset_request(); | |
88 | } | |
89 | ||
90 | void qmp_system_powerdown(Error **erp) | |
91 | { | |
92 | qemu_system_powerdown_request(); | |
93 | } | |
94 | ||
95 | void qmp_cpu(int64_t index, Error **errp) | |
96 | { | |
97 | /* Just do nothing */ | |
98 | } | |
99 | ||
100 | #ifndef CONFIG_VNC | |
101 | /* If VNC support is enabled, the "true" query-vnc command is | |
102 | defined in the VNC subsystem */ | |
103 | VncInfo *qmp_query_vnc(Error **errp) | |
104 | { | |
105 | error_set(errp, QERR_FEATURE_DISABLED, "vnc"); | |
106 | return NULL; | |
107 | }; | |
108 | #endif | |
109 | ||
110 | #ifndef CONFIG_SPICE | |
111 | /* If SPICE support is enabled, the "true" query-spice command is | |
112 | defined in the SPICE subsystem. Also note that we use a small | |
113 | trick to maintain query-spice's original behavior, which is not | |
114 | to be available in the namespace if SPICE is not compiled in */ | |
115 | SpiceInfo *qmp_query_spice(Error **errp) | |
116 | { | |
117 | error_set(errp, QERR_COMMAND_NOT_FOUND, "query-spice"); | |
118 | return NULL; | |
119 | }; | |
120 | #endif | |
121 | ||
122 | static void iostatus_bdrv_it(void *opaque, BlockDriverState *bs) | |
123 | { | |
124 | bdrv_iostatus_reset(bs); | |
125 | } | |
126 | ||
127 | static void encrypted_bdrv_it(void *opaque, BlockDriverState *bs) | |
128 | { | |
129 | Error **err = opaque; | |
130 | ||
131 | if (!error_is_set(err) && bdrv_key_required(bs)) { | |
132 | error_set(err, QERR_DEVICE_ENCRYPTED, bdrv_get_device_name(bs)); | |
133 | } | |
134 | } | |
135 | ||
136 | void qmp_cont(Error **errp) | |
137 | { | |
138 | Error *local_err = NULL; | |
139 | ||
140 | if (runstate_check(RUN_STATE_INMIGRATE)) { | |
141 | error_set(errp, QERR_MIGRATION_EXPECTED); | |
142 | return; | |
143 | } else if (runstate_check(RUN_STATE_INTERNAL_ERROR) || | |
144 | runstate_check(RUN_STATE_SHUTDOWN)) { | |
145 | error_set(errp, QERR_RESET_REQUIRED); | |
146 | return; | |
147 | } | |
148 | ||
149 | bdrv_iterate(iostatus_bdrv_it, NULL); | |
150 | bdrv_iterate(encrypted_bdrv_it, &local_err); | |
151 | if (local_err) { | |
152 | error_propagate(errp, local_err); | |
153 | return; | |
154 | } | |
155 | ||
156 | vm_start(); | |
157 | } | |
158 | ||
159 | DevicePropertyInfoList *qmp_qom_list(const char *path, Error **errp) | |
160 | { | |
161 | DeviceState *dev; | |
162 | bool ambiguous = false; | |
163 | DevicePropertyInfoList *props = NULL; | |
164 | DeviceProperty *prop; | |
165 | ||
166 | dev = qdev_resolve_path(path, &ambiguous); | |
167 | if (dev == NULL) { | |
168 | error_set(errp, QERR_DEVICE_NOT_FOUND, path); | |
169 | return NULL; | |
170 | } | |
171 | ||
172 | QTAILQ_FOREACH(prop, &dev->properties, node) { | |
173 | DevicePropertyInfoList *entry = g_malloc0(sizeof(*entry)); | |
174 | ||
175 | entry->value = g_malloc0(sizeof(DevicePropertyInfo)); | |
176 | entry->next = props; | |
177 | props = entry; | |
178 | ||
179 | entry->value->name = g_strdup(prop->name); | |
180 | entry->value->type = g_strdup(prop->type); | |
181 | } | |
182 | ||
183 | return props; | |
184 | } |