Statistics
| Branch: | Revision:

root / hw / device-hotplug.c @ 4d5b97da

History | View | Annotate | Download (2.5 kB)

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.h"
26
#include "boards.h"
27
#include "net.h"
28
#include "blockdev.h"
29
#include "qemu-config.h"
30
#include "sysemu.h"
31
#include "monitor.h"
32

    
33
DriveInfo *add_init_drive(const char *optstr)
34
{
35
    DriveInfo *dinfo;
36
    QemuOpts *opts;
37

    
38
    opts = drive_def(optstr);
39
    if (!opts)
40
        return NULL;
41

    
42
    dinfo = drive_init(opts, current_machine->use_scsi);
43
    if (!dinfo) {
44
        qemu_opts_del(opts);
45
        return NULL;
46
    }
47

    
48
    return dinfo;
49
}
50

    
51
#if !defined(TARGET_I386)
52
int pci_drive_hot_add(Monitor *mon, const QDict *qdict,
53
                      DriveInfo *dinfo, int type)
54
{
55
    /* On non-x86 we don't do PCI hotplug */
56
    monitor_printf(mon, "Can't hot-add drive to type %d\n", type);
57
    return -1;
58
}
59
#endif
60

    
61
void drive_hot_add(Monitor *mon, const QDict *qdict)
62
{
63
    int type;
64
    DriveInfo *dinfo = NULL;
65
    const char *opts = qdict_get_str(qdict, "opts");
66

    
67
    dinfo = add_init_drive(opts);
68
    if (!dinfo) {
69
        goto err;
70
    }
71
    if (dinfo->devaddr) {
72
        monitor_printf(mon, "Parameter addr not supported\n");
73
        goto err;
74
    }
75
    type = dinfo->type;
76

    
77
    switch (type) {
78
    case IF_NONE:
79
        monitor_printf(mon, "OK\n");
80
        break;
81
    default:
82
        if (pci_drive_hot_add(mon, qdict, dinfo, type)) {
83
            goto err;
84
        }
85
    }
86
    return;
87

    
88
err:
89
    if (dinfo) {
90
        drive_put_ref(dinfo);
91
    }
92
}