trap signals for "-serial mon:stdio"
[qemu.git] / device-hotplug.c
1 /*
2 * QEMU device hotplug helpers
3 *
4 * Copyright (c) 2004 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24
25 #include "hw/hw.h"
26 #include "hw/boards.h"
27 #include "sysemu/blockdev.h"
28 #include "qemu/config-file.h"
29 #include "sysemu/sysemu.h"
30 #include "monitor/monitor.h"
31
32 DriveInfo *add_init_drive(const char *optstr)
33 {
34 DriveInfo *dinfo;
35 QemuOpts *opts;
36
37 opts = drive_def(optstr);
38 if (!opts)
39 return NULL;
40
41 dinfo = drive_init(opts, current_machine->block_default_type);
42 if (!dinfo) {
43 qemu_opts_del(opts);
44 return NULL;
45 }
46
47 return dinfo;
48 }
49
50 void drive_hot_add(Monitor *mon, const QDict *qdict)
51 {
52 DriveInfo *dinfo = NULL;
53 const char *opts = qdict_get_str(qdict, "opts");
54
55 dinfo = add_init_drive(opts);
56 if (!dinfo) {
57 goto err;
58 }
59 if (dinfo->devaddr) {
60 monitor_printf(mon, "Parameter addr not supported\n");
61 goto err;
62 }
63
64 switch (dinfo->type) {
65 case IF_NONE:
66 monitor_printf(mon, "OK\n");
67 break;
68 default:
69 if (pci_drive_hot_add(mon, qdict, dinfo)) {
70 goto err;
71 }
72 }
73 return;
74
75 err:
76 if (dinfo) {
77 drive_put_ref(dinfo);
78 }
79 }