root / hw / device-hotplug.c @ 7fa22f2b
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1 | 6f338c34 | aliguori | /*
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2 | 6f338c34 | aliguori | * QEMU device hotplug helpers
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3 | 6f338c34 | aliguori | *
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4 | 6f338c34 | aliguori | * Copyright (c) 2004 Fabrice Bellard
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5 | 6f338c34 | aliguori | *
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6 | 6f338c34 | aliguori | * Permission is hereby granted, free of charge, to any person obtaining a copy
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7 | 6f338c34 | aliguori | * of this software and associated documentation files (the "Software"), to deal
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8 | 6f338c34 | aliguori | * in the Software without restriction, including without limitation the rights
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9 | 6f338c34 | aliguori | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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10 | 6f338c34 | aliguori | * copies of the Software, and to permit persons to whom the Software is
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11 | 6f338c34 | aliguori | * furnished to do so, subject to the following conditions:
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12 | 6f338c34 | aliguori | *
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13 | 6f338c34 | aliguori | * The above copyright notice and this permission notice shall be included in
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14 | 6f338c34 | aliguori | * all copies or substantial portions of the Software.
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15 | 6f338c34 | aliguori | *
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16 | 6f338c34 | aliguori | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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17 | 6f338c34 | aliguori | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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18 | 6f338c34 | aliguori | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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19 | 6f338c34 | aliguori | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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20 | 6f338c34 | aliguori | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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21 | 6f338c34 | aliguori | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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22 | 6f338c34 | aliguori | * THE SOFTWARE.
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23 | 6f338c34 | aliguori | */
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24 | 6f338c34 | aliguori | |
25 | 6f338c34 | aliguori | #include "hw.h" |
26 | 6f338c34 | aliguori | #include "boards.h" |
27 | 2446333c | Blue Swirl | #include "blockdev.h" |
28 | dd97aa8a | Alexander Graf | #include "qemu-config.h" |
29 | dd97aa8a | Alexander Graf | #include "sysemu.h" |
30 | dd97aa8a | Alexander Graf | #include "monitor.h" |
31 | 6f338c34 | aliguori | |
32 | 9dfd7c7a | Gerd Hoffmann | DriveInfo *add_init_drive(const char *optstr) |
33 | 6f338c34 | aliguori | { |
34 | 751c6a17 | Gerd Hoffmann | DriveInfo *dinfo; |
35 | 9dfd7c7a | Gerd Hoffmann | QemuOpts *opts; |
36 | 6f338c34 | aliguori | |
37 | 2292ddae | Markus Armbruster | opts = drive_def(optstr); |
38 | 9dfd7c7a | Gerd Hoffmann | if (!opts)
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39 | 751c6a17 | Gerd Hoffmann | return NULL; |
40 | 6f338c34 | aliguori | |
41 | 2d0d2837 | Christian Borntraeger | dinfo = drive_init(opts, current_machine->block_default_type); |
42 | 751c6a17 | Gerd Hoffmann | if (!dinfo) {
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43 | 9dfd7c7a | Gerd Hoffmann | qemu_opts_del(opts); |
44 | 751c6a17 | Gerd Hoffmann | return NULL; |
45 | 6f338c34 | aliguori | } |
46 | 6f338c34 | aliguori | |
47 | 751c6a17 | Gerd Hoffmann | return dinfo;
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48 | 6f338c34 | aliguori | } |
49 | dd97aa8a | Alexander Graf | |
50 | dd97aa8a | Alexander Graf | #if !defined(TARGET_I386)
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51 | 4dbd84e2 | Markus Armbruster | int pci_drive_hot_add(Monitor *mon, const QDict *qdict, DriveInfo *dinfo) |
52 | dd97aa8a | Alexander Graf | { |
53 | dd97aa8a | Alexander Graf | /* On non-x86 we don't do PCI hotplug */
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54 | 4dbd84e2 | Markus Armbruster | monitor_printf(mon, "Can't hot-add drive to type %d\n", dinfo->type);
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55 | dd97aa8a | Alexander Graf | return -1; |
56 | dd97aa8a | Alexander Graf | } |
57 | dd97aa8a | Alexander Graf | #endif
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58 | dd97aa8a | Alexander Graf | |
59 | dd97aa8a | Alexander Graf | void drive_hot_add(Monitor *mon, const QDict *qdict) |
60 | dd97aa8a | Alexander Graf | { |
61 | dd97aa8a | Alexander Graf | DriveInfo *dinfo = NULL;
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62 | dd97aa8a | Alexander Graf | const char *opts = qdict_get_str(qdict, "opts"); |
63 | dd97aa8a | Alexander Graf | |
64 | dd97aa8a | Alexander Graf | dinfo = add_init_drive(opts); |
65 | dd97aa8a | Alexander Graf | if (!dinfo) {
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66 | dd97aa8a | Alexander Graf | goto err;
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67 | dd97aa8a | Alexander Graf | } |
68 | dd97aa8a | Alexander Graf | if (dinfo->devaddr) {
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69 | dd97aa8a | Alexander Graf | monitor_printf(mon, "Parameter addr not supported\n");
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70 | dd97aa8a | Alexander Graf | goto err;
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71 | dd97aa8a | Alexander Graf | } |
72 | dd97aa8a | Alexander Graf | |
73 | 4dbd84e2 | Markus Armbruster | switch (dinfo->type) {
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74 | dd97aa8a | Alexander Graf | case IF_NONE:
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75 | dd97aa8a | Alexander Graf | monitor_printf(mon, "OK\n");
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76 | dd97aa8a | Alexander Graf | break;
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77 | dd97aa8a | Alexander Graf | default:
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78 | 4dbd84e2 | Markus Armbruster | if (pci_drive_hot_add(mon, qdict, dinfo)) {
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79 | dd97aa8a | Alexander Graf | goto err;
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80 | dd97aa8a | Alexander Graf | } |
81 | dd97aa8a | Alexander Graf | } |
82 | dd97aa8a | Alexander Graf | return;
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83 | dd97aa8a | Alexander Graf | |
84 | dd97aa8a | Alexander Graf | err:
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85 | dd97aa8a | Alexander Graf | if (dinfo) {
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86 | dd97aa8a | Alexander Graf | drive_put_ref(dinfo); |
87 | dd97aa8a | Alexander Graf | } |
88 | dd97aa8a | Alexander Graf | } |