xref: /openbmc/qemu/qga/commands.c (revision f0513d2c)
1 /*
2  * QEMU Guest Agent common/cross-platform command implementations
3  *
4  * Copyright IBM Corp. 2012
5  *
6  * Authors:
7  *  Michael Roth      <mdroth@linux.vnet.ibm.com>
8  *
9  * This work is licensed under the terms of the GNU GPL, version 2 or later.
10  * See the COPYING file in the top-level directory.
11  */
12 
13 #include <glib.h>
14 #include "qga/guest-agent-core.h"
15 #include "qga-qmp-commands.h"
16 #include "qapi/qmp/qerror.h"
17 
18 /* Note: in some situations, like with the fsfreeze, logging may be
19  * temporarilly disabled. if it is necessary that a command be able
20  * to log for accounting purposes, check ga_logging_enabled() beforehand,
21  * and use the QERR_QGA_LOGGING_DISABLED to generate an error
22  */
23 void slog(const gchar *fmt, ...)
24 {
25     va_list ap;
26 
27     va_start(ap, fmt);
28     g_logv("syslog", G_LOG_LEVEL_INFO, fmt, ap);
29     va_end(ap);
30 }
31 
32 int64_t qmp_guest_sync_delimited(int64_t id, Error **errp)
33 {
34     ga_set_response_delimited(ga_state);
35     return id;
36 }
37 
38 int64_t qmp_guest_sync(int64_t id, Error **errp)
39 {
40     return id;
41 }
42 
43 void qmp_guest_ping(Error **err)
44 {
45     slog("guest-ping called");
46 }
47 
48 struct GuestAgentInfo *qmp_guest_info(Error **err)
49 {
50     GuestAgentInfo *info = g_malloc0(sizeof(GuestAgentInfo));
51     GuestAgentCommandInfo *cmd_info;
52     GuestAgentCommandInfoList *cmd_info_list;
53     char **cmd_list_head, **cmd_list;
54 
55     info->version = g_strdup(QEMU_VERSION);
56 
57     cmd_list_head = cmd_list = qmp_get_command_list();
58     if (*cmd_list_head == NULL) {
59         goto out;
60     }
61 
62     while (*cmd_list) {
63         cmd_info = g_malloc0(sizeof(GuestAgentCommandInfo));
64         cmd_info->name = g_strdup(*cmd_list);
65         cmd_info->enabled = qmp_command_is_enabled(cmd_info->name);
66 
67         cmd_info_list = g_malloc0(sizeof(GuestAgentCommandInfoList));
68         cmd_info_list->value = cmd_info;
69         cmd_info_list->next = info->supported_commands;
70         info->supported_commands = cmd_info_list;
71 
72         g_free(*cmd_list);
73         cmd_list++;
74     }
75 
76 out:
77     g_free(cmd_list_head);
78     return info;
79 }
80