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