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Commit | Line | Data |
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6f338c34 AL |
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 | ||
d38ea87a | 25 | #include "qemu/osdep.h" |
1559e0d4 PB |
26 | #include "hw/hw.h" |
27 | #include "hw/boards.h" | |
b9fe8a7a | 28 | #include "sysemu/block-backend.h" |
9c17d615 | 29 | #include "sysemu/blockdev.h" |
452fcdbc | 30 | #include "qapi/qmp/qdict.h" |
c4f26c9f | 31 | #include "qapi/error.h" |
1de7afc9 | 32 | #include "qemu/config-file.h" |
922a01a0 | 33 | #include "qemu/option.h" |
9c17d615 | 34 | #include "sysemu/sysemu.h" |
83c9089e | 35 | #include "monitor/monitor.h" |
abb21ac3 | 36 | #include "block/block_int.h" |
6f338c34 | 37 | |
f51074cd | 38 | static DriveInfo *add_init_drive(const char *optstr) |
6f338c34 | 39 | { |
c4f26c9f | 40 | Error *err = NULL; |
751c6a17 | 41 | DriveInfo *dinfo; |
9dfd7c7a | 42 | QemuOpts *opts; |
0056ae24 | 43 | MachineClass *mc; |
6f338c34 | 44 | |
2292ddae | 45 | opts = drive_def(optstr); |
9dfd7c7a | 46 | if (!opts) |
751c6a17 | 47 | return NULL; |
6f338c34 | 48 | |
0056ae24 | 49 | mc = MACHINE_GET_CLASS(current_machine); |
c4f26c9f | 50 | dinfo = drive_new(opts, mc->block_default_type, &err); |
ab638171 | 51 | if (err) { |
c4f26c9f | 52 | error_report_err(err); |
9dfd7c7a | 53 | qemu_opts_del(opts); |
751c6a17 | 54 | return NULL; |
6f338c34 AL |
55 | } |
56 | ||
751c6a17 | 57 | return dinfo; |
6f338c34 | 58 | } |
dd97aa8a | 59 | |
3e5a50d6 | 60 | void hmp_drive_add(Monitor *mon, const QDict *qdict) |
dd97aa8a | 61 | { |
dd97aa8a AG |
62 | DriveInfo *dinfo = NULL; |
63 | const char *opts = qdict_get_str(qdict, "opts"); | |
abb21ac3 KW |
64 | bool node = qdict_get_try_bool(qdict, "node", false); |
65 | ||
66 | if (node) { | |
67 | hmp_drive_add_node(mon, opts); | |
68 | return; | |
69 | } | |
dd97aa8a AG |
70 | |
71 | dinfo = add_init_drive(opts); | |
72 | if (!dinfo) { | |
73 | goto err; | |
74 | } | |
dd97aa8a | 75 | |
4dbd84e2 | 76 | switch (dinfo->type) { |
dd97aa8a AG |
77 | case IF_NONE: |
78 | monitor_printf(mon, "OK\n"); | |
79 | break; | |
80 | default: | |
f51074cd MA |
81 | monitor_printf(mon, "Can't hot-add drive to type %d\n", dinfo->type); |
82 | goto err; | |
dd97aa8a AG |
83 | } |
84 | return; | |
85 | ||
86 | err: | |
87 | if (dinfo) { | |
efaa7c4e HR |
88 | BlockBackend *blk = blk_by_legacy_dinfo(dinfo); |
89 | monitor_remove_blk(blk); | |
90 | blk_unref(blk); | |
dd97aa8a | 91 | } |
dd97aa8a | 92 | } |