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1
#include "sysemu.h"
2
#include "net.h"
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#include "qdev.h"
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#include "qerror.h"
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void *qdev_get_prop_ptr(DeviceState *dev, Property *prop)
7
{
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    void *ptr = dev;
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    ptr += prop->offset;
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    return ptr;
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}
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static uint32_t qdev_get_prop_mask(Property *prop)
14
{
15
    assert(prop->info->type == PROP_TYPE_BIT);
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    return 0x1 << prop->bitnr;
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}
18

    
19
static void bit_prop_set(DeviceState *dev, Property *props, bool val)
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{
21
    uint32_t *p = qdev_get_prop_ptr(dev, props);
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    uint32_t mask = qdev_get_prop_mask(props);
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    if (val)
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        *p |= mask;
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    else
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        *p &= ~mask;
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}
28

    
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static void qdev_prop_cpy(DeviceState *dev, Property *props, void *src)
30
{
31
    if (props->info->type == PROP_TYPE_BIT) {
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        bool *defval = src;
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        bit_prop_set(dev, props, *defval);
34
    } else {
35
        char *dst = qdev_get_prop_ptr(dev, props);
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        memcpy(dst, src, props->info->size);
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    }
38
}
39

    
40
/* Bit */
41
static int parse_bit(DeviceState *dev, Property *prop, const char *str)
42
{
43
    if (!strncasecmp(str, "on", 2))
44
        bit_prop_set(dev, prop, true);
45
    else if (!strncasecmp(str, "off", 3))
46
        bit_prop_set(dev, prop, false);
47
    else
48
        return -EINVAL;
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    return 0;
50
}
51

    
52
static int print_bit(DeviceState *dev, Property *prop, char *dest, size_t len)
53
{
54
    uint8_t *p = qdev_get_prop_ptr(dev, prop);
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    return snprintf(dest, len, (*p & qdev_get_prop_mask(prop)) ? "on" : "off");
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}
57

    
58
PropertyInfo qdev_prop_bit = {
59
    .name  = "on/off",
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    .type  = PROP_TYPE_BIT,
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    .size  = sizeof(uint32_t),
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    .parse = parse_bit,
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    .print = print_bit,
64
};
65

    
66
/* --- 8bit integer --- */
67

    
68
static int parse_uint8(DeviceState *dev, Property *prop, const char *str)
69
{
70
    uint8_t *ptr = qdev_get_prop_ptr(dev, prop);
71
    const char *fmt;
72

    
73
    /* accept both hex and decimal */
74
    fmt = strncasecmp(str, "0x",2) == 0 ? "%" PRIx8 : "%" PRIu8;
75
    if (sscanf(str, fmt, ptr) != 1)
76
        return -EINVAL;
77
    return 0;
78
}
79

    
80
static int print_uint8(DeviceState *dev, Property *prop, char *dest, size_t len)
81
{
82
    uint8_t *ptr = qdev_get_prop_ptr(dev, prop);
83
    return snprintf(dest, len, "%" PRIu8, *ptr);
84
}
85

    
86
PropertyInfo qdev_prop_uint8 = {
87
    .name  = "uint8",
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    .type  = PROP_TYPE_UINT8,
89
    .size  = sizeof(uint8_t),
90
    .parse = parse_uint8,
91
    .print = print_uint8,
92
};
93

    
94
/* --- 16bit integer --- */
95

    
96
static int parse_uint16(DeviceState *dev, Property *prop, const char *str)
97
{
98
    uint16_t *ptr = qdev_get_prop_ptr(dev, prop);
99
    const char *fmt;
100

    
101
    /* accept both hex and decimal */
102
    fmt = strncasecmp(str, "0x",2) == 0 ? "%" PRIx16 : "%" PRIu16;
103
    if (sscanf(str, fmt, ptr) != 1)
104
        return -EINVAL;
105
    return 0;
106
}
107

    
108
static int print_uint16(DeviceState *dev, Property *prop, char *dest, size_t len)
109
{
110
    uint16_t *ptr = qdev_get_prop_ptr(dev, prop);
111
    return snprintf(dest, len, "%" PRIu16, *ptr);
112
}
113

    
114
PropertyInfo qdev_prop_uint16 = {
115
    .name  = "uint16",
116
    .type  = PROP_TYPE_UINT16,
117
    .size  = sizeof(uint16_t),
118
    .parse = parse_uint16,
119
    .print = print_uint16,
120
};
121

    
122
/* --- 32bit integer --- */
123

    
124
static int parse_uint32(DeviceState *dev, Property *prop, const char *str)
125
{
126
    uint32_t *ptr = qdev_get_prop_ptr(dev, prop);
127
    const char *fmt;
128

    
129
    /* accept both hex and decimal */
130
    fmt = strncasecmp(str, "0x",2) == 0 ? "%" PRIx32 : "%" PRIu32;
131
    if (sscanf(str, fmt, ptr) != 1)
132
        return -EINVAL;
133
    return 0;
134
}
135

    
136
static int print_uint32(DeviceState *dev, Property *prop, char *dest, size_t len)
137
{
138
    uint32_t *ptr = qdev_get_prop_ptr(dev, prop);
139
    return snprintf(dest, len, "%" PRIu32, *ptr);
140
}
141

    
142
PropertyInfo qdev_prop_uint32 = {
143
    .name  = "uint32",
144
    .type  = PROP_TYPE_UINT32,
145
    .size  = sizeof(uint32_t),
146
    .parse = parse_uint32,
147
    .print = print_uint32,
148
};
149

    
150
static int parse_int32(DeviceState *dev, Property *prop, const char *str)
151
{
152
    int32_t *ptr = qdev_get_prop_ptr(dev, prop);
153

    
154
    if (sscanf(str, "%" PRId32, ptr) != 1)
155
        return -EINVAL;
156
    return 0;
157
}
158

    
159
static int print_int32(DeviceState *dev, Property *prop, char *dest, size_t len)
160
{
161
    int32_t *ptr = qdev_get_prop_ptr(dev, prop);
162
    return snprintf(dest, len, "%" PRId32, *ptr);
163
}
164

    
165
PropertyInfo qdev_prop_int32 = {
166
    .name  = "int32",
167
    .type  = PROP_TYPE_INT32,
168
    .size  = sizeof(int32_t),
169
    .parse = parse_int32,
170
    .print = print_int32,
171
};
172

    
173
/* --- 32bit hex value --- */
174

    
175
static int parse_hex32(DeviceState *dev, Property *prop, const char *str)
176
{
177
    uint32_t *ptr = qdev_get_prop_ptr(dev, prop);
178

    
179
    if (sscanf(str, "%" PRIx32, ptr) != 1)
180
        return -EINVAL;
181
    return 0;
182
}
183

    
184
static int print_hex32(DeviceState *dev, Property *prop, char *dest, size_t len)
185
{
186
    uint32_t *ptr = qdev_get_prop_ptr(dev, prop);
187
    return snprintf(dest, len, "0x%" PRIx32, *ptr);
188
}
189

    
190
PropertyInfo qdev_prop_hex32 = {
191
    .name  = "hex32",
192
    .type  = PROP_TYPE_UINT32,
193
    .size  = sizeof(uint32_t),
194
    .parse = parse_hex32,
195
    .print = print_hex32,
196
};
197

    
198
/* --- 64bit integer --- */
199

    
200
static int parse_uint64(DeviceState *dev, Property *prop, const char *str)
201
{
202
    uint64_t *ptr = qdev_get_prop_ptr(dev, prop);
203
    const char *fmt;
204

    
205
    /* accept both hex and decimal */
206
    fmt = strncasecmp(str, "0x",2) == 0 ? "%" PRIx64 : "%" PRIu64;
207
    if (sscanf(str, fmt, ptr) != 1)
208
        return -EINVAL;
209
    return 0;
210
}
211

    
212
static int print_uint64(DeviceState *dev, Property *prop, char *dest, size_t len)
213
{
214
    uint64_t *ptr = qdev_get_prop_ptr(dev, prop);
215
    return snprintf(dest, len, "%" PRIu64, *ptr);
216
}
217

    
218
PropertyInfo qdev_prop_uint64 = {
219
    .name  = "uint64",
220
    .type  = PROP_TYPE_UINT64,
221
    .size  = sizeof(uint64_t),
222
    .parse = parse_uint64,
223
    .print = print_uint64,
224
};
225

    
226
/* --- 64bit hex value --- */
227

    
228
static int parse_hex64(DeviceState *dev, Property *prop, const char *str)
229
{
230
    uint64_t *ptr = qdev_get_prop_ptr(dev, prop);
231

    
232
    if (sscanf(str, "%" PRIx64, ptr) != 1)
233
        return -EINVAL;
234
    return 0;
235
}
236

    
237
static int print_hex64(DeviceState *dev, Property *prop, char *dest, size_t len)
238
{
239
    uint64_t *ptr = qdev_get_prop_ptr(dev, prop);
240
    return snprintf(dest, len, "0x%" PRIx64, *ptr);
241
}
242

    
243
PropertyInfo qdev_prop_hex64 = {
244
    .name  = "hex64",
245
    .type  = PROP_TYPE_UINT64,
246
    .size  = sizeof(uint64_t),
247
    .parse = parse_hex64,
248
    .print = print_hex64,
249
};
250

    
251
/* --- string --- */
252

    
253
static int parse_string(DeviceState *dev, Property *prop, const char *str)
254
{
255
    char **ptr = qdev_get_prop_ptr(dev, prop);
256

    
257
    if (*ptr)
258
        qemu_free(*ptr);
259
    *ptr = qemu_strdup(str);
260
    return 0;
261
}
262

    
263
static int print_string(DeviceState *dev, Property *prop, char *dest, size_t len)
264
{
265
    char **ptr = qdev_get_prop_ptr(dev, prop);
266
    if (!*ptr)
267
        return snprintf(dest, len, "<null>");
268
    return snprintf(dest, len, "\"%s\"", *ptr);
269
}
270

    
271
PropertyInfo qdev_prop_string = {
272
    .name  = "string",
273
    .type  = PROP_TYPE_STRING,
274
    .size  = sizeof(char*),
275
    .parse = parse_string,
276
    .print = print_string,
277
};
278

    
279
/* --- drive --- */
280

    
281
static int parse_drive(DeviceState *dev, Property *prop, const char *str)
282
{
283
    DriveInfo **ptr = qdev_get_prop_ptr(dev, prop);
284

    
285
    *ptr = drive_get_by_id(str);
286
    if (*ptr == NULL)
287
        return -ENOENT;
288
    return 0;
289
}
290

    
291
static int print_drive(DeviceState *dev, Property *prop, char *dest, size_t len)
292
{
293
    DriveInfo **ptr = qdev_get_prop_ptr(dev, prop);
294
    return snprintf(dest, len, "%s", (*ptr) ? (*ptr)->id : "<null>");
295
}
296

    
297
PropertyInfo qdev_prop_drive = {
298
    .name  = "drive",
299
    .type  = PROP_TYPE_DRIVE,
300
    .size  = sizeof(DriveInfo*),
301
    .parse = parse_drive,
302
    .print = print_drive,
303
};
304

    
305
/* --- character device --- */
306

    
307
static int parse_chr(DeviceState *dev, Property *prop, const char *str)
308
{
309
    CharDriverState **ptr = qdev_get_prop_ptr(dev, prop);
310

    
311
    *ptr = qemu_chr_find(str);
312
    if (*ptr == NULL)
313
        return -ENOENT;
314
    return 0;
315
}
316

    
317
static int print_chr(DeviceState *dev, Property *prop, char *dest, size_t len)
318
{
319
    CharDriverState **ptr = qdev_get_prop_ptr(dev, prop);
320

    
321
    if (*ptr && (*ptr)->label) {
322
        return snprintf(dest, len, "%s", (*ptr)->label);
323
    } else {
324
        return snprintf(dest, len, "<null>");
325
    }
326
}
327

    
328
PropertyInfo qdev_prop_chr = {
329
    .name  = "chr",
330
    .type  = PROP_TYPE_CHR,
331
    .size  = sizeof(CharDriverState*),
332
    .parse = parse_chr,
333
    .print = print_chr,
334
};
335

    
336
/* --- netdev device --- */
337

    
338
static int parse_netdev(DeviceState *dev, Property *prop, const char *str)
339
{
340
    VLANClientState **ptr = qdev_get_prop_ptr(dev, prop);
341

    
342
    *ptr = qemu_find_netdev(str);
343
    if (*ptr == NULL)
344
        return -ENOENT;
345
    if ((*ptr)->peer) {
346
        return -EEXIST;
347
    }
348
    return 0;
349
}
350

    
351
static int print_netdev(DeviceState *dev, Property *prop, char *dest, size_t len)
352
{
353
    VLANClientState **ptr = qdev_get_prop_ptr(dev, prop);
354

    
355
    if (*ptr && (*ptr)->name) {
356
        return snprintf(dest, len, "%s", (*ptr)->name);
357
    } else {
358
        return snprintf(dest, len, "<null>");
359
    }
360
}
361

    
362
PropertyInfo qdev_prop_netdev = {
363
    .name  = "netdev",
364
    .type  = PROP_TYPE_NETDEV,
365
    .size  = sizeof(VLANClientState*),
366
    .parse = parse_netdev,
367
    .print = print_netdev,
368
};
369

    
370
/* --- vlan --- */
371

    
372
static int parse_vlan(DeviceState *dev, Property *prop, const char *str)
373
{
374
    VLANState **ptr = qdev_get_prop_ptr(dev, prop);
375
    int id;
376

    
377
    if (sscanf(str, "%d", &id) != 1)
378
        return -EINVAL;
379
    *ptr = qemu_find_vlan(id, 1);
380
    if (*ptr == NULL)
381
        return -ENOENT;
382
    return 0;
383
}
384

    
385
static int print_vlan(DeviceState *dev, Property *prop, char *dest, size_t len)
386
{
387
    VLANState **ptr = qdev_get_prop_ptr(dev, prop);
388

    
389
    if (*ptr) {
390
        return snprintf(dest, len, "%d", (*ptr)->id);
391
    } else {
392
        return snprintf(dest, len, "<null>");
393
    }
394
}
395

    
396
PropertyInfo qdev_prop_vlan = {
397
    .name  = "vlan",
398
    .type  = PROP_TYPE_VLAN,
399
    .size  = sizeof(VLANClientState*),
400
    .parse = parse_vlan,
401
    .print = print_vlan,
402
};
403

    
404
/* --- pointer --- */
405

    
406
/* Not a proper property, just for dirty hacks.  TODO Remove it!  */
407
PropertyInfo qdev_prop_ptr = {
408
    .name  = "ptr",
409
    .type  = PROP_TYPE_PTR,
410
    .size  = sizeof(void*),
411
};
412

    
413
/* --- mac address --- */
414

    
415
/*
416
 * accepted syntax versions:
417
 *   01:02:03:04:05:06
418
 *   01-02-03-04-05-06
419
 */
420
static int parse_mac(DeviceState *dev, Property *prop, const char *str)
421
{
422
    MACAddr *mac = qdev_get_prop_ptr(dev, prop);
423
    int i, pos;
424
    char *p;
425

    
426
    for (i = 0, pos = 0; i < 6; i++, pos += 3) {
427
        if (!qemu_isxdigit(str[pos]))
428
            return -EINVAL;
429
        if (!qemu_isxdigit(str[pos+1]))
430
            return -EINVAL;
431
        if (i == 5) {
432
            if (str[pos+2] != '\0')
433
                return -EINVAL;
434
        } else {
435
            if (str[pos+2] != ':' && str[pos+2] != '-')
436
                return -EINVAL;
437
        }
438
        mac->a[i] = strtol(str+pos, &p, 16);
439
    }
440
    return 0;
441
}
442

    
443
static int print_mac(DeviceState *dev, Property *prop, char *dest, size_t len)
444
{
445
    MACAddr *mac = qdev_get_prop_ptr(dev, prop);
446

    
447
    return snprintf(dest, len, "%02x:%02x:%02x:%02x:%02x:%02x",
448
                    mac->a[0], mac->a[1], mac->a[2],
449
                    mac->a[3], mac->a[4], mac->a[5]);
450
}
451

    
452
PropertyInfo qdev_prop_macaddr = {
453
    .name  = "macaddr",
454
    .type  = PROP_TYPE_MACADDR,
455
    .size  = sizeof(MACAddr),
456
    .parse = parse_mac,
457
    .print = print_mac,
458
};
459

    
460
/* --- pci address --- */
461

    
462
/*
463
 * bus-local address, i.e. "$slot" or "$slot.$fn"
464
 */
465
static int parse_pci_devfn(DeviceState *dev, Property *prop, const char *str)
466
{
467
    uint32_t *ptr = qdev_get_prop_ptr(dev, prop);
468
    unsigned int slot, fn, n;
469

    
470
    if (sscanf(str, "%x.%x%n", &slot, &fn, &n) != 2) {
471
        fn = 0;
472
        if (sscanf(str, "%x%n", &slot, &n) != 1) {
473
            return -EINVAL;
474
        }
475
    }
476
    if (str[n] != '\0')
477
        return -EINVAL;
478
    if (fn > 7)
479
        return -EINVAL;
480
    *ptr = slot << 3 | fn;
481
    return 0;
482
}
483

    
484
static int print_pci_devfn(DeviceState *dev, Property *prop, char *dest, size_t len)
485
{
486
    uint32_t *ptr = qdev_get_prop_ptr(dev, prop);
487

    
488
    if (*ptr == -1) {
489
        return snprintf(dest, len, "<unset>");
490
    } else {
491
        return snprintf(dest, len, "%02x.%x", *ptr >> 3, *ptr & 7);
492
    }
493
}
494

    
495
PropertyInfo qdev_prop_pci_devfn = {
496
    .name  = "pci-devfn",
497
    .type  = PROP_TYPE_UINT32,
498
    .size  = sizeof(uint32_t),
499
    .parse = parse_pci_devfn,
500
    .print = print_pci_devfn,
501
};
502

    
503
/* --- public helpers --- */
504

    
505
static Property *qdev_prop_walk(Property *props, const char *name)
506
{
507
    if (!props)
508
        return NULL;
509
    while (props->name) {
510
        if (strcmp(props->name, name) == 0)
511
            return props;
512
        props++;
513
    }
514
    return NULL;
515
}
516

    
517
static Property *qdev_prop_find(DeviceState *dev, const char *name)
518
{
519
    Property *prop;
520

    
521
    /* device properties */
522
    prop = qdev_prop_walk(dev->info->props, name);
523
    if (prop)
524
        return prop;
525

    
526
    /* bus properties */
527
    prop = qdev_prop_walk(dev->parent_bus->info->props, name);
528
    if (prop)
529
        return prop;
530

    
531
    return NULL;
532
}
533

    
534
int qdev_prop_exists(DeviceState *dev, const char *name)
535
{
536
    return qdev_prop_find(dev, name) ? true : false;
537
}
538

    
539
int qdev_prop_parse(DeviceState *dev, const char *name, const char *value)
540
{
541
    Property *prop;
542
    int ret;
543

    
544
    prop = qdev_prop_find(dev, name);
545
    /*
546
     * TODO Properties without a parse method are just for dirty
547
     * hacks.  qdev_prop_ptr is the only such PropertyInfo.  It's
548
     * marked for removal.  The test !prop->info->parse should be
549
     * removed along with it.
550
     */
551
    if (!prop || !prop->info->parse) {
552
        qerror_report(QERR_PROPERTY_NOT_FOUND, dev->info->name, name);
553
        return -1;
554
    }
555
    ret = prop->info->parse(dev, prop, value);
556
    if (ret < 0) {
557
        switch (ret) {
558
        case -EEXIST:
559
            qerror_report(QERR_PROPERTY_VALUE_IN_USE,
560
                          dev->info->name, name, value);
561
            break;
562
        default:
563
        case -EINVAL:
564
            qerror_report(QERR_PROPERTY_VALUE_BAD,
565
                          dev->info->name, name, value);
566
            break;
567
        case -ENOENT:
568
            qerror_report(QERR_PROPERTY_VALUE_NOT_FOUND,
569
                          dev->info->name, name, value);
570
            break;
571
        }
572
        return -1;
573
    }
574
    return 0;
575
}
576

    
577
void qdev_prop_set(DeviceState *dev, const char *name, void *src, enum PropertyType type)
578
{
579
    Property *prop;
580

    
581
    prop = qdev_prop_find(dev, name);
582
    if (!prop) {
583
        fprintf(stderr, "%s: property \"%s.%s\" not found\n",
584
                __FUNCTION__, dev->info->name, name);
585
        abort();
586
    }
587
    if (prop->info->type != type) {
588
        fprintf(stderr, "%s: property \"%s.%s\" type mismatch\n",
589
                __FUNCTION__, dev->info->name, name);
590
        abort();
591
    }
592
    qdev_prop_cpy(dev, prop, src);
593
}
594

    
595
void qdev_prop_set_uint8(DeviceState *dev, const char *name, uint8_t value)
596
{
597
    qdev_prop_set(dev, name, &value, PROP_TYPE_UINT8);
598
}
599

    
600
void qdev_prop_set_uint16(DeviceState *dev, const char *name, uint16_t value)
601
{
602
    qdev_prop_set(dev, name, &value, PROP_TYPE_UINT16);
603
}
604

    
605
void qdev_prop_set_uint32(DeviceState *dev, const char *name, uint32_t value)
606
{
607
    qdev_prop_set(dev, name, &value, PROP_TYPE_UINT32);
608
}
609

    
610
void qdev_prop_set_int32(DeviceState *dev, const char *name, int32_t value)
611
{
612
    qdev_prop_set(dev, name, &value, PROP_TYPE_INT32);
613
}
614

    
615
void qdev_prop_set_uint64(DeviceState *dev, const char *name, uint64_t value)
616
{
617
    qdev_prop_set(dev, name, &value, PROP_TYPE_UINT64);
618
}
619

    
620
void qdev_prop_set_drive(DeviceState *dev, const char *name, DriveInfo *value)
621
{
622
    qdev_prop_set(dev, name, &value, PROP_TYPE_DRIVE);
623
}
624

    
625
void qdev_prop_set_chr(DeviceState *dev, const char *name, CharDriverState *value)
626
{
627
    qdev_prop_set(dev, name, &value, PROP_TYPE_CHR);
628
}
629

    
630
void qdev_prop_set_netdev(DeviceState *dev, const char *name, VLANClientState *value)
631
{
632
    qdev_prop_set(dev, name, &value, PROP_TYPE_NETDEV);
633
}
634

    
635
void qdev_prop_set_vlan(DeviceState *dev, const char *name, VLANState *value)
636
{
637
    qdev_prop_set(dev, name, &value, PROP_TYPE_VLAN);
638
}
639

    
640
void qdev_prop_set_macaddr(DeviceState *dev, const char *name, uint8_t *value)
641
{
642
    qdev_prop_set(dev, name, value, PROP_TYPE_MACADDR);
643
}
644

    
645
void qdev_prop_set_ptr(DeviceState *dev, const char *name, void *value)
646
{
647
    qdev_prop_set(dev, name, &value, PROP_TYPE_PTR);
648
}
649

    
650
void qdev_prop_set_defaults(DeviceState *dev, Property *props)
651
{
652
    if (!props)
653
        return;
654
    while (props->name) {
655
        if (props->defval) {
656
            qdev_prop_cpy(dev, props, props->defval);
657
        }
658
        props++;
659
    }
660
}
661

    
662
static QTAILQ_HEAD(, GlobalProperty) global_props = QTAILQ_HEAD_INITIALIZER(global_props);
663

    
664
void qdev_prop_register_global(GlobalProperty *prop)
665
{
666
    QTAILQ_INSERT_TAIL(&global_props, prop, next);
667
}
668

    
669
void qdev_prop_register_global_list(GlobalProperty *props)
670
{
671
    int i;
672

    
673
    for (i = 0; props[i].driver != NULL; i++) {
674
        qdev_prop_register_global(props+i);
675
    }
676
}
677

    
678
void qdev_prop_set_globals(DeviceState *dev)
679
{
680
    GlobalProperty *prop;
681

    
682
    QTAILQ_FOREACH(prop, &global_props, next) {
683
        if (strcmp(dev->info->name, prop->driver) != 0 &&
684
            strcmp(dev->info->bus_info->name, prop->driver) != 0) {
685
            continue;
686
        }
687
        if (qdev_prop_parse(dev, prop->property, prop->value) != 0) {
688
            exit(1);
689
        }
690
    }
691
}