aliguori | 6f338c3 | 2009-02-11 15:21:54 +0000 | [diff] [blame] | 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 | |
Peter Maydell | d38ea87 | 2016-01-29 17:50:05 +0000 | [diff] [blame] | 25 | #include "qemu/osdep.h" |
Paolo Bonzini | 1559e0d | 2013-02-04 17:20:47 +0100 | [diff] [blame] | 26 | #include "hw/hw.h" |
| 27 | #include "hw/boards.h" |
Markus Armbruster | b9fe8a7 | 2014-10-07 13:59:09 +0200 | [diff] [blame] | 28 | #include "sysemu/block-backend.h" |
Paolo Bonzini | 9c17d61 | 2012-12-17 18:20:04 +0100 | [diff] [blame] | 29 | #include "sysemu/blockdev.h" |
Paolo Bonzini | 1de7afc | 2012-12-17 18:20:00 +0100 | [diff] [blame] | 30 | #include "qemu/config-file.h" |
Paolo Bonzini | 9c17d61 | 2012-12-17 18:20:04 +0100 | [diff] [blame] | 31 | #include "sysemu/sysemu.h" |
Paolo Bonzini | 83c9089 | 2012-12-17 18:19:49 +0100 | [diff] [blame] | 32 | #include "monitor/monitor.h" |
Kevin Wolf | abb21ac | 2016-02-23 17:33:24 +0100 | [diff] [blame] | 33 | #include "block/block_int.h" |
aliguori | 6f338c3 | 2009-02-11 15:21:54 +0000 | [diff] [blame] | 34 | |
Markus Armbruster | f51074c | 2015-02-26 17:21:13 +0100 | [diff] [blame] | 35 | static DriveInfo *add_init_drive(const char *optstr) |
aliguori | 6f338c3 | 2009-02-11 15:21:54 +0000 | [diff] [blame] | 36 | { |
Gerd Hoffmann | 751c6a1 | 2009-07-22 16:42:57 +0200 | [diff] [blame] | 37 | DriveInfo *dinfo; |
Gerd Hoffmann | 9dfd7c7 | 2009-07-22 16:43:04 +0200 | [diff] [blame] | 38 | QemuOpts *opts; |
Marcel Apfelbaum | 0056ae2 | 2014-03-05 19:30:47 +0200 | [diff] [blame] | 39 | MachineClass *mc; |
aliguori | 6f338c3 | 2009-02-11 15:21:54 +0000 | [diff] [blame] | 40 | |
Markus Armbruster | 2292dda | 2011-01-28 11:21:41 +0100 | [diff] [blame] | 41 | opts = drive_def(optstr); |
Gerd Hoffmann | 9dfd7c7 | 2009-07-22 16:43:04 +0200 | [diff] [blame] | 42 | if (!opts) |
Gerd Hoffmann | 751c6a1 | 2009-07-22 16:42:57 +0200 | [diff] [blame] | 43 | return NULL; |
aliguori | 6f338c3 | 2009-02-11 15:21:54 +0000 | [diff] [blame] | 44 | |
Marcel Apfelbaum | 0056ae2 | 2014-03-05 19:30:47 +0200 | [diff] [blame] | 45 | mc = MACHINE_GET_CLASS(current_machine); |
Markus Armbruster | 60e19e0 | 2014-06-06 14:50:58 +0200 | [diff] [blame] | 46 | dinfo = drive_new(opts, mc->block_default_type); |
Gerd Hoffmann | 751c6a1 | 2009-07-22 16:42:57 +0200 | [diff] [blame] | 47 | if (!dinfo) { |
Gerd Hoffmann | 9dfd7c7 | 2009-07-22 16:43:04 +0200 | [diff] [blame] | 48 | qemu_opts_del(opts); |
Gerd Hoffmann | 751c6a1 | 2009-07-22 16:42:57 +0200 | [diff] [blame] | 49 | return NULL; |
aliguori | 6f338c3 | 2009-02-11 15:21:54 +0000 | [diff] [blame] | 50 | } |
| 51 | |
Gerd Hoffmann | 751c6a1 | 2009-07-22 16:42:57 +0200 | [diff] [blame] | 52 | return dinfo; |
aliguori | 6f338c3 | 2009-02-11 15:21:54 +0000 | [diff] [blame] | 53 | } |
Alexander Graf | dd97aa8 | 2010-08-23 23:43:10 +0200 | [diff] [blame] | 54 | |
Markus Armbruster | 3e5a50d | 2015-02-06 13:55:43 +0100 | [diff] [blame] | 55 | void hmp_drive_add(Monitor *mon, const QDict *qdict) |
Alexander Graf | dd97aa8 | 2010-08-23 23:43:10 +0200 | [diff] [blame] | 56 | { |
Alexander Graf | dd97aa8 | 2010-08-23 23:43:10 +0200 | [diff] [blame] | 57 | DriveInfo *dinfo = NULL; |
| 58 | const char *opts = qdict_get_str(qdict, "opts"); |
Kevin Wolf | abb21ac | 2016-02-23 17:33:24 +0100 | [diff] [blame] | 59 | bool node = qdict_get_try_bool(qdict, "node", false); |
| 60 | |
| 61 | if (node) { |
| 62 | hmp_drive_add_node(mon, opts); |
| 63 | return; |
| 64 | } |
Alexander Graf | dd97aa8 | 2010-08-23 23:43:10 +0200 | [diff] [blame] | 65 | |
| 66 | dinfo = add_init_drive(opts); |
| 67 | if (!dinfo) { |
| 68 | goto err; |
| 69 | } |
| 70 | if (dinfo->devaddr) { |
| 71 | monitor_printf(mon, "Parameter addr not supported\n"); |
| 72 | goto err; |
| 73 | } |
Alexander Graf | dd97aa8 | 2010-08-23 23:43:10 +0200 | [diff] [blame] | 74 | |
Markus Armbruster | 4dbd84e | 2012-11-22 15:16:36 +0100 | [diff] [blame] | 75 | switch (dinfo->type) { |
Alexander Graf | dd97aa8 | 2010-08-23 23:43:10 +0200 | [diff] [blame] | 76 | case IF_NONE: |
| 77 | monitor_printf(mon, "OK\n"); |
| 78 | break; |
| 79 | default: |
Markus Armbruster | f51074c | 2015-02-26 17:21:13 +0100 | [diff] [blame] | 80 | monitor_printf(mon, "Can't hot-add drive to type %d\n", dinfo->type); |
| 81 | goto err; |
Alexander Graf | dd97aa8 | 2010-08-23 23:43:10 +0200 | [diff] [blame] | 82 | } |
| 83 | return; |
| 84 | |
| 85 | err: |
| 86 | if (dinfo) { |
Max Reitz | efaa7c4 | 2016-03-16 19:54:38 +0100 | [diff] [blame] | 87 | BlockBackend *blk = blk_by_legacy_dinfo(dinfo); |
| 88 | monitor_remove_blk(blk); |
| 89 | blk_unref(blk); |
Alexander Graf | dd97aa8 | 2010-08-23 23:43:10 +0200 | [diff] [blame] | 90 | } |
Alexander Graf | dd97aa8 | 2010-08-23 23:43:10 +0200 | [diff] [blame] | 91 | } |