| | 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 "qemu/osdep.h" |
| | 26 | #include "hw/hw.h" |
| | 27 | #include "hw/boards.h" |
| | 28 | #include "sysemu/block-backend.h" |
| | 29 | #include "sysemu/blockdev.h" |
| | 30 | #include "qapi/qmp/qdict.h" |
| | 31 | #include "qemu/config-file.h" |
| | 32 | #include "qemu/option.h" |
| | 33 | #include "sysemu/sysemu.h" |
| | 34 | #include "monitor/monitor.h" |
| | 35 | #include "block/block_int.h" |
| | 36 | |
| | 37 | static DriveInfo *add_init_drive(const char *optstr) |
| | 38 | { |
| | 39 | DriveInfo *dinfo; |
| | 40 | QemuOpts *opts; |
| | 41 | MachineClass *mc; |
| | 42 | |
| | 43 | opts = drive_def(optstr); |
| | 44 | if (!opts) |
| | 45 | return NULL; |
| | 46 | |
| | 47 | mc = MACHINE_GET_CLASS(current_machine); |
| | 48 | dinfo = drive_new(opts, mc->block_default_type); |
| | 49 | if (!dinfo) { |
| | 50 | qemu_opts_del(opts); |
| | 51 | return NULL; |
| | 52 | } |
| | 53 | |
| | 54 | return dinfo; |
| | 55 | } |
| | 56 | |
| | 57 | void hmp_drive_add(Monitor *mon, const QDict *qdict) |
| | 58 | { |
| | 59 | DriveInfo *dinfo = NULL; |
| | 60 | const char *opts = qdict_get_str(qdict, "opts"); |
| | 61 | bool node = qdict_get_try_bool(qdict, "node", false); |
| | 62 | |
| | 63 | if (node) { |
| | 64 | hmp_drive_add_node(mon, opts); |
| | 65 | return; |
| | 66 | } |
| | 67 | |
| | 68 | dinfo = add_init_drive(opts); |
| | 69 | if (!dinfo) { |
| | 70 | goto err; |
| | 71 | } |
| | 72 | if (dinfo->devaddr) { |
| | 73 | monitor_printf(mon, "Parameter addr not supported\n"); |
| | 74 | goto err; |
| | 75 | } |
| | 76 | |
| | 77 | switch (dinfo->type) { |
| | 78 | case IF_NONE: |
| | 79 | monitor_printf(mon, "OK\n"); |
| | 80 | break; |
| | 81 | default: |
| | 82 | monitor_printf(mon, "Can't hot-add drive to type %d\n", dinfo->type); |
| | 83 | goto err; |
| | 84 | } |
| | 85 | return; |
| | 86 | |
| | 87 | err: |
| | 88 | if (dinfo) { |
| | 89 | BlockBackend *blk = blk_by_legacy_dinfo(dinfo); |
| | 90 | monitor_remove_blk(blk); |
| | 91 | blk_unref(blk); |
| | 92 | } |
| | 93 | } |
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