Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into staging
[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 MachineClass *mc;
37
38 opts = drive_def(optstr);
39 if (!opts)
40 return NULL;
41
42 mc = MACHINE_GET_CLASS(current_machine);
43 dinfo = drive_init(opts, mc->qemu_machine->block_default_type);
44 if (!dinfo) {
45 qemu_opts_del(opts);
46 return NULL;
47 }
48
49 return dinfo;
50 }
51
52 void drive_hot_add(Monitor *mon, const QDict *qdict)
53 {
54 DriveInfo *dinfo = NULL;
55 const char *opts = qdict_get_str(qdict, "opts");
56
57 dinfo = add_init_drive(opts);
58 if (!dinfo) {
59 goto err;
60 }
61 if (dinfo->devaddr) {
62 monitor_printf(mon, "Parameter addr not supported\n");
63 goto err;
64 }
65
66 switch (dinfo->type) {
67 case IF_NONE:
68 monitor_printf(mon, "OK\n");
69 break;
70 default:
71 if (pci_drive_hot_add(mon, qdict, dinfo)) {
72 goto err;
73 }
74 }
75 return;
76
77 err:
78 if (dinfo) {
79 drive_put_ref(dinfo);
80 }
81 }