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10#include "qemu-common.h"
11#include "qemu/option.h"
12#include "qemu/config-file.h"
13#include "hw/usb.h"
14#include "hw/usb/desc.h"
15#include "hw/scsi.h"
16#include "ui/console.h"
17#include "monitor/monitor.h"
18#include "sysemu/sysemu.h"
19#include "sysemu/blockdev.h"
20
21
22
23#ifdef DEBUG_MSD
24#define DPRINTF(fmt, ...) \
25do { printf("usb-msd: " fmt , ## __VA_ARGS__); } while (0)
26#else
27#define DPRINTF(fmt, ...) do {} while(0)
28#endif
29
30
31#define MassStorageReset 0xff
32#define GetMaxLun 0xfe
33
34enum USBMSDMode {
35 USB_MSDM_CBW,
36 USB_MSDM_DATAOUT,
37 USB_MSDM_DATAIN,
38 USB_MSDM_CSW
39};
40
41struct usb_msd_csw {
42 uint32_t sig;
43 uint32_t tag;
44 uint32_t residue;
45 uint8_t status;
46};
47
48typedef struct {
49 USBDevice dev;
50 enum USBMSDMode mode;
51 uint32_t scsi_off;
52 uint32_t scsi_len;
53 uint32_t data_len;
54 struct usb_msd_csw csw;
55 SCSIRequest *req;
56 SCSIBus bus;
57
58 USBPacket *packet;
59
60 BlockConf conf;
61 char *serial;
62 uint32_t removable;
63} MSDState;
64
65struct usb_msd_cbw {
66 uint32_t sig;
67 uint32_t tag;
68 uint32_t data_len;
69 uint8_t flags;
70 uint8_t lun;
71 uint8_t cmd_len;
72 uint8_t cmd[16];
73};
74
75enum {
76 STR_MANUFACTURER = 1,
77 STR_PRODUCT,
78 STR_SERIALNUMBER,
79 STR_CONFIG_FULL,
80 STR_CONFIG_HIGH,
81 STR_CONFIG_SUPER,
82};
83
84static const USBDescStrings desc_strings = {
85 [STR_MANUFACTURER] = "QEMU",
86 [STR_PRODUCT] = "QEMU USB HARDDRIVE",
87 [STR_SERIALNUMBER] = "1",
88 [STR_CONFIG_FULL] = "Full speed config (usb 1.1)",
89 [STR_CONFIG_HIGH] = "High speed config (usb 2.0)",
90 [STR_CONFIG_SUPER] = "Super speed config (usb 3.0)",
91};
92
93static const USBDescIface desc_iface_full = {
94 .bInterfaceNumber = 0,
95 .bNumEndpoints = 2,
96 .bInterfaceClass = USB_CLASS_MASS_STORAGE,
97 .bInterfaceSubClass = 0x06,
98 .bInterfaceProtocol = 0x50,
99 .eps = (USBDescEndpoint[]) {
100 {
101 .bEndpointAddress = USB_DIR_IN | 0x01,
102 .bmAttributes = USB_ENDPOINT_XFER_BULK,
103 .wMaxPacketSize = 64,
104 },{
105 .bEndpointAddress = USB_DIR_OUT | 0x02,
106 .bmAttributes = USB_ENDPOINT_XFER_BULK,
107 .wMaxPacketSize = 64,
108 },
109 }
110};
111
112static const USBDescDevice desc_device_full = {
113 .bcdUSB = 0x0200,
114 .bMaxPacketSize0 = 8,
115 .bNumConfigurations = 1,
116 .confs = (USBDescConfig[]) {
117 {
118 .bNumInterfaces = 1,
119 .bConfigurationValue = 1,
120 .iConfiguration = STR_CONFIG_FULL,
121 .bmAttributes = 0xc0,
122 .nif = 1,
123 .ifs = &desc_iface_full,
124 },
125 },
126};
127
128static const USBDescIface desc_iface_high = {
129 .bInterfaceNumber = 0,
130 .bNumEndpoints = 2,
131 .bInterfaceClass = USB_CLASS_MASS_STORAGE,
132 .bInterfaceSubClass = 0x06,
133 .bInterfaceProtocol = 0x50,
134 .eps = (USBDescEndpoint[]) {
135 {
136 .bEndpointAddress = USB_DIR_IN | 0x01,
137 .bmAttributes = USB_ENDPOINT_XFER_BULK,
138 .wMaxPacketSize = 512,
139 },{
140 .bEndpointAddress = USB_DIR_OUT | 0x02,
141 .bmAttributes = USB_ENDPOINT_XFER_BULK,
142 .wMaxPacketSize = 512,
143 },
144 }
145};
146
147static const USBDescDevice desc_device_high = {
148 .bcdUSB = 0x0200,
149 .bMaxPacketSize0 = 64,
150 .bNumConfigurations = 1,
151 .confs = (USBDescConfig[]) {
152 {
153 .bNumInterfaces = 1,
154 .bConfigurationValue = 1,
155 .iConfiguration = STR_CONFIG_HIGH,
156 .bmAttributes = 0xc0,
157 .nif = 1,
158 .ifs = &desc_iface_high,
159 },
160 },
161};
162
163static const USBDescIface desc_iface_super = {
164 .bInterfaceNumber = 0,
165 .bNumEndpoints = 2,
166 .bInterfaceClass = USB_CLASS_MASS_STORAGE,
167 .bInterfaceSubClass = 0x06,
168 .bInterfaceProtocol = 0x50,
169 .eps = (USBDescEndpoint[]) {
170 {
171 .bEndpointAddress = USB_DIR_IN | 0x01,
172 .bmAttributes = USB_ENDPOINT_XFER_BULK,
173 .wMaxPacketSize = 1024,
174 .bMaxBurst = 15,
175 },{
176 .bEndpointAddress = USB_DIR_OUT | 0x02,
177 .bmAttributes = USB_ENDPOINT_XFER_BULK,
178 .wMaxPacketSize = 1024,
179 .bMaxBurst = 15,
180 },
181 }
182};
183
184static const USBDescDevice desc_device_super = {
185 .bcdUSB = 0x0300,
186 .bMaxPacketSize0 = 9,
187 .bNumConfigurations = 1,
188 .confs = (USBDescConfig[]) {
189 {
190 .bNumInterfaces = 1,
191 .bConfigurationValue = 1,
192 .iConfiguration = STR_CONFIG_SUPER,
193 .bmAttributes = 0xc0,
194 .nif = 1,
195 .ifs = &desc_iface_super,
196 },
197 },
198};
199
200static const USBDesc desc = {
201 .id = {
202 .idVendor = 0x46f4,
203 .idProduct = 0x0001,
204 .bcdDevice = 0,
205 .iManufacturer = STR_MANUFACTURER,
206 .iProduct = STR_PRODUCT,
207 .iSerialNumber = STR_SERIALNUMBER,
208 },
209 .full = &desc_device_full,
210 .high = &desc_device_high,
211 .super = &desc_device_super,
212 .str = desc_strings,
213};
214
215static void usb_msd_copy_data(MSDState *s, USBPacket *p)
216{
217 uint32_t len;
218 len = p->iov.size - p->actual_length;
219 if (len > s->scsi_len)
220 len = s->scsi_len;
221 usb_packet_copy(p, scsi_req_get_buf(s->req) + s->scsi_off, len);
222 s->scsi_len -= len;
223 s->scsi_off += len;
224 s->data_len -= len;
225 if (s->scsi_len == 0 || s->data_len == 0) {
226 scsi_req_continue(s->req);
227 }
228}
229
230static void usb_msd_send_status(MSDState *s, USBPacket *p)
231{
232 int len;
233
234 DPRINTF("Command status %d tag 0x%x, len %zd\n",
235 s->csw.status, le32_to_cpu(s->csw.tag), p->iov.size);
236
237 assert(s->csw.sig == cpu_to_le32(0x53425355));
238 len = MIN(sizeof(s->csw), p->iov.size);
239 usb_packet_copy(p, &s->csw, len);
240 memset(&s->csw, 0, sizeof(s->csw));
241}
242
243static void usb_msd_packet_complete(MSDState *s)
244{
245 USBPacket *p = s->packet;
246
247
248
249
250 DPRINTF("Packet complete %p\n", p);
251 s->packet = NULL;
252 usb_packet_complete(&s->dev, p);
253}
254
255static void usb_msd_transfer_data(SCSIRequest *req, uint32_t len)
256{
257 MSDState *s = DO_UPCAST(MSDState, dev.qdev, req->bus->qbus.parent);
258 USBPacket *p = s->packet;
259
260 assert((s->mode == USB_MSDM_DATAOUT) == (req->cmd.mode == SCSI_XFER_TO_DEV));
261 s->scsi_len = len;
262 s->scsi_off = 0;
263 if (p) {
264 usb_msd_copy_data(s, p);
265 p = s->packet;
266 if (p && p->actual_length == p->iov.size) {
267 p->status = USB_RET_SUCCESS;
268 usb_msd_packet_complete(s);
269 }
270 }
271}
272
273static void usb_msd_command_complete(SCSIRequest *req, uint32_t status, size_t resid)
274{
275 MSDState *s = DO_UPCAST(MSDState, dev.qdev, req->bus->qbus.parent);
276 USBPacket *p = s->packet;
277
278 DPRINTF("Command complete %d tag 0x%x\n", status, req->tag);
279
280 s->csw.sig = cpu_to_le32(0x53425355);
281 s->csw.tag = cpu_to_le32(req->tag);
282 s->csw.residue = cpu_to_le32(s->data_len);
283 s->csw.status = status != 0;
284
285 if (s->packet) {
286 if (s->data_len == 0 && s->mode == USB_MSDM_DATAOUT) {
287
288
289 usb_msd_send_status(s, p);
290 s->mode = USB_MSDM_CBW;
291 } else if (s->mode == USB_MSDM_CSW) {
292 usb_msd_send_status(s, p);
293 s->mode = USB_MSDM_CBW;
294 } else {
295 if (s->data_len) {
296 int len = (p->iov.size - p->actual_length);
297 usb_packet_skip(p, len);
298 s->data_len -= len;
299 }
300 if (s->data_len == 0) {
301 s->mode = USB_MSDM_CSW;
302 }
303 }
304 p->status = USB_RET_SUCCESS;
305 usb_msd_packet_complete(s);
306 } else if (s->data_len == 0) {
307 s->mode = USB_MSDM_CSW;
308 }
309 scsi_req_unref(req);
310 s->req = NULL;
311}
312
313static void usb_msd_request_cancelled(SCSIRequest *req)
314{
315 MSDState *s = DO_UPCAST(MSDState, dev.qdev, req->bus->qbus.parent);
316
317 if (req == s->req) {
318 scsi_req_unref(s->req);
319 s->req = NULL;
320 s->scsi_len = 0;
321 }
322}
323
324static void usb_msd_handle_reset(USBDevice *dev)
325{
326 MSDState *s = (MSDState *)dev;
327
328 DPRINTF("Reset\n");
329 if (s->req) {
330 scsi_req_cancel(s->req);
331 }
332 assert(s->req == NULL);
333
334 if (s->packet) {
335 s->packet->status = USB_RET_STALL;
336 usb_msd_packet_complete(s);
337 }
338
339 s->mode = USB_MSDM_CBW;
340}
341
342static void usb_msd_handle_control(USBDevice *dev, USBPacket *p,
343 int request, int value, int index, int length, uint8_t *data)
344{
345 MSDState *s = (MSDState *)dev;
346 SCSIDevice *scsi_dev;
347 int ret, maxlun;
348
349 ret = usb_desc_handle_control(dev, p, request, value, index, length, data);
350 if (ret >= 0) {
351 return;
352 }
353
354 switch (request) {
355 case EndpointOutRequest | USB_REQ_CLEAR_FEATURE:
356 break;
357
358 case ClassInterfaceOutRequest | MassStorageReset:
359
360 s->mode = USB_MSDM_CBW;
361 break;
362 case ClassInterfaceRequest | GetMaxLun:
363 maxlun = 0;
364 for (;;) {
365 scsi_dev = scsi_device_find(&s->bus, 0, 0, maxlun+1);
366 if (scsi_dev == NULL) {
367 break;
368 }
369 if (scsi_dev->lun != maxlun+1) {
370 break;
371 }
372 maxlun++;
373 }
374 DPRINTF("MaxLun %d\n", maxlun);
375 data[0] = maxlun;
376 p->actual_length = 1;
377 break;
378 default:
379 p->status = USB_RET_STALL;
380 break;
381 }
382}
383
384static void usb_msd_cancel_io(USBDevice *dev, USBPacket *p)
385{
386 MSDState *s = DO_UPCAST(MSDState, dev, dev);
387
388 assert(s->packet == p);
389 s->packet = NULL;
390
391 if (s->req) {
392 scsi_req_cancel(s->req);
393 }
394}
395
396static void usb_msd_handle_data(USBDevice *dev, USBPacket *p)
397{
398 MSDState *s = (MSDState *)dev;
399 uint32_t tag;
400 struct usb_msd_cbw cbw;
401 uint8_t devep = p->ep->nr;
402 SCSIDevice *scsi_dev;
403
404 switch (p->pid) {
405 case USB_TOKEN_OUT:
406 if (devep != 2)
407 goto fail;
408
409 switch (s->mode) {
410 case USB_MSDM_CBW:
411 if (p->iov.size != 31) {
412 fprintf(stderr, "usb-msd: Bad CBW size");
413 goto fail;
414 }
415 usb_packet_copy(p, &cbw, 31);
416 if (le32_to_cpu(cbw.sig) != 0x43425355) {
417 fprintf(stderr, "usb-msd: Bad signature %08x\n",
418 le32_to_cpu(cbw.sig));
419 goto fail;
420 }
421 DPRINTF("Command on LUN %d\n", cbw.lun);
422 scsi_dev = scsi_device_find(&s->bus, 0, 0, cbw.lun);
423 if (scsi_dev == NULL) {
424 fprintf(stderr, "usb-msd: Bad LUN %d\n", cbw.lun);
425 goto fail;
426 }
427 tag = le32_to_cpu(cbw.tag);
428 s->data_len = le32_to_cpu(cbw.data_len);
429 if (s->data_len == 0) {
430 s->mode = USB_MSDM_CSW;
431 } else if (cbw.flags & 0x80) {
432 s->mode = USB_MSDM_DATAIN;
433 } else {
434 s->mode = USB_MSDM_DATAOUT;
435 }
436 DPRINTF("Command tag 0x%x flags %08x len %d data %d\n",
437 tag, cbw.flags, cbw.cmd_len, s->data_len);
438 assert(le32_to_cpu(s->csw.residue) == 0);
439 s->scsi_len = 0;
440 s->req = scsi_req_new(scsi_dev, tag, cbw.lun, cbw.cmd, NULL);
441#ifdef DEBUG_MSD
442 scsi_req_print(s->req);
443#endif
444 scsi_req_enqueue(s->req);
445 if (s->req && s->req->cmd.xfer != SCSI_XFER_NONE) {
446 scsi_req_continue(s->req);
447 }
448 break;
449
450 case USB_MSDM_DATAOUT:
451 DPRINTF("Data out %zd/%d\n", p->iov.size, s->data_len);
452 if (p->iov.size > s->data_len) {
453 goto fail;
454 }
455
456 if (s->scsi_len) {
457 usb_msd_copy_data(s, p);
458 }
459 if (le32_to_cpu(s->csw.residue)) {
460 int len = p->iov.size - p->actual_length;
461 if (len) {
462 usb_packet_skip(p, len);
463 s->data_len -= len;
464 if (s->data_len == 0) {
465 s->mode = USB_MSDM_CSW;
466 }
467 }
468 }
469 if (p->actual_length < p->iov.size) {
470 DPRINTF("Deferring packet %p [wait data-out]\n", p);
471 s->packet = p;
472 p->status = USB_RET_ASYNC;
473 }
474 break;
475
476 default:
477 DPRINTF("Unexpected write (len %zd)\n", p->iov.size);
478 goto fail;
479 }
480 break;
481
482 case USB_TOKEN_IN:
483 if (devep != 1)
484 goto fail;
485
486 switch (s->mode) {
487 case USB_MSDM_DATAOUT:
488 if (s->data_len != 0 || p->iov.size < 13) {
489 goto fail;
490 }
491
492 s->packet = p;
493 p->status = USB_RET_ASYNC;
494 break;
495
496 case USB_MSDM_CSW:
497 if (p->iov.size < 13) {
498 goto fail;
499 }
500
501 if (s->req) {
502
503 DPRINTF("Deferring packet %p [wait status]\n", p);
504 s->packet = p;
505 p->status = USB_RET_ASYNC;
506 } else {
507 usb_msd_send_status(s, p);
508 s->mode = USB_MSDM_CBW;
509 }
510 break;
511
512 case USB_MSDM_DATAIN:
513 DPRINTF("Data in %zd/%d, scsi_len %d\n",
514 p->iov.size, s->data_len, s->scsi_len);
515 if (s->scsi_len) {
516 usb_msd_copy_data(s, p);
517 }
518 if (le32_to_cpu(s->csw.residue)) {
519 int len = p->iov.size - p->actual_length;
520 if (len) {
521 usb_packet_skip(p, len);
522 s->data_len -= len;
523 if (s->data_len == 0) {
524 s->mode = USB_MSDM_CSW;
525 }
526 }
527 }
528 if (p->actual_length < p->iov.size) {
529 DPRINTF("Deferring packet %p [wait data-in]\n", p);
530 s->packet = p;
531 p->status = USB_RET_ASYNC;
532 }
533 break;
534
535 default:
536 DPRINTF("Unexpected read (len %zd)\n", p->iov.size);
537 goto fail;
538 }
539 break;
540
541 default:
542 DPRINTF("Bad token\n");
543 fail:
544 p->status = USB_RET_STALL;
545 break;
546 }
547}
548
549static void usb_msd_password_cb(void *opaque, int err)
550{
551 MSDState *s = opaque;
552
553 if (!err)
554 err = usb_device_attach(&s->dev);
555
556 if (err)
557 qdev_unplug(&s->dev.qdev, NULL);
558}
559
560static void *usb_msd_load_request(QEMUFile *f, SCSIRequest *req)
561{
562 MSDState *s = DO_UPCAST(MSDState, dev.qdev, req->bus->qbus.parent);
563
564
565 assert(s->req == NULL);
566 scsi_req_ref(req);
567 s->req = req;
568 return NULL;
569}
570
571static const struct SCSIBusInfo usb_msd_scsi_info_storage = {
572 .tcq = false,
573 .max_target = 0,
574 .max_lun = 0,
575
576 .transfer_data = usb_msd_transfer_data,
577 .complete = usb_msd_command_complete,
578 .cancel = usb_msd_request_cancelled,
579 .load_request = usb_msd_load_request,
580};
581
582static const struct SCSIBusInfo usb_msd_scsi_info_bot = {
583 .tcq = false,
584 .max_target = 0,
585 .max_lun = 15,
586
587 .transfer_data = usb_msd_transfer_data,
588 .complete = usb_msd_command_complete,
589 .cancel = usb_msd_request_cancelled,
590 .load_request = usb_msd_load_request,
591};
592
593static int usb_msd_initfn_storage(USBDevice *dev)
594{
595 MSDState *s = DO_UPCAST(MSDState, dev, dev);
596 BlockDriverState *bs = s->conf.bs;
597 SCSIDevice *scsi_dev;
598
599 if (!bs) {
600 error_report("drive property not set");
601 return -1;
602 }
603
604 blkconf_serial(&s->conf, &s->serial);
605
606
607
608
609
610
611
612
613
614
615 bdrv_detach_dev(bs, &s->dev.qdev);
616 s->conf.bs = NULL;
617
618 if (s->serial) {
619 usb_desc_set_string(dev, STR_SERIALNUMBER, s->serial);
620 } else {
621 usb_desc_create_serial(dev);
622 }
623
624 usb_desc_init(dev);
625 scsi_bus_new(&s->bus, &s->dev.qdev, &usb_msd_scsi_info_storage);
626 scsi_dev = scsi_bus_legacy_add_drive(&s->bus, bs, 0, !!s->removable,
627 s->conf.bootindex);
628 if (!scsi_dev) {
629 return -1;
630 }
631 s->bus.qbus.allow_hotplug = 0;
632 usb_msd_handle_reset(dev);
633
634 if (bdrv_key_required(bs)) {
635 if (cur_mon) {
636 monitor_read_bdrv_key_start(cur_mon, bs, usb_msd_password_cb, s);
637 s->dev.auto_attach = 0;
638 } else {
639 autostart = 0;
640 }
641 }
642
643 return 0;
644}
645
646static int usb_msd_initfn_bot(USBDevice *dev)
647{
648 MSDState *s = DO_UPCAST(MSDState, dev, dev);
649
650 usb_desc_create_serial(dev);
651 usb_desc_init(dev);
652 scsi_bus_new(&s->bus, &s->dev.qdev, &usb_msd_scsi_info_bot);
653 s->bus.qbus.allow_hotplug = 0;
654 usb_msd_handle_reset(dev);
655
656 return 0;
657}
658
659static USBDevice *usb_msd_init(USBBus *bus, const char *filename)
660{
661 static int nr=0;
662 char id[8];
663 QemuOpts *opts;
664 DriveInfo *dinfo;
665 USBDevice *dev;
666 const char *p1;
667 char fmt[32];
668
669
670 snprintf(id, sizeof(id), "usb%d", nr++);
671 opts = qemu_opts_create(qemu_find_opts("drive"), id, 0, NULL);
672
673 p1 = strchr(filename, ':');
674 if (p1++) {
675 const char *p2;
676
677 if (strstart(filename, "format=", &p2)) {
678 int len = MIN(p1 - p2, sizeof(fmt));
679 pstrcpy(fmt, len, p2);
680 qemu_opt_set(opts, "format", fmt);
681 } else if (*filename != ':') {
682 printf("unrecognized USB mass-storage option %s\n", filename);
683 return NULL;
684 }
685 filename = p1;
686 }
687 if (!*filename) {
688 printf("block device specification needed\n");
689 return NULL;
690 }
691 qemu_opt_set(opts, "file", filename);
692 qemu_opt_set(opts, "if", "none");
693
694
695 dinfo = drive_init(opts, 0);
696 if (!dinfo) {
697 qemu_opts_del(opts);
698 return NULL;
699 }
700
701
702 dev = usb_create(bus, "usb-storage");
703 if (!dev) {
704 return NULL;
705 }
706 if (qdev_prop_set_drive(&dev->qdev, "drive", dinfo->bdrv) < 0) {
707 qdev_free(&dev->qdev);
708 return NULL;
709 }
710 if (qdev_init(&dev->qdev) < 0)
711 return NULL;
712
713 return dev;
714}
715
716static const VMStateDescription vmstate_usb_msd = {
717 .name = "usb-storage",
718 .version_id = 1,
719 .minimum_version_id = 1,
720 .fields = (VMStateField []) {
721 VMSTATE_USB_DEVICE(dev, MSDState),
722 VMSTATE_UINT32(mode, MSDState),
723 VMSTATE_UINT32(scsi_len, MSDState),
724 VMSTATE_UINT32(scsi_off, MSDState),
725 VMSTATE_UINT32(data_len, MSDState),
726 VMSTATE_UINT32(csw.sig, MSDState),
727 VMSTATE_UINT32(csw.tag, MSDState),
728 VMSTATE_UINT32(csw.residue, MSDState),
729 VMSTATE_UINT8(csw.status, MSDState),
730 VMSTATE_END_OF_LIST()
731 }
732};
733
734static Property msd_properties[] = {
735 DEFINE_BLOCK_PROPERTIES(MSDState, conf),
736 DEFINE_PROP_STRING("serial", MSDState, serial),
737 DEFINE_PROP_BIT("removable", MSDState, removable, 0, false),
738 DEFINE_PROP_END_OF_LIST(),
739};
740
741static void usb_msd_class_initfn_common(ObjectClass *klass)
742{
743 DeviceClass *dc = DEVICE_CLASS(klass);
744 USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
745
746 uc->product_desc = "QEMU USB MSD";
747 uc->usb_desc = &desc;
748 uc->cancel_packet = usb_msd_cancel_io;
749 uc->handle_attach = usb_desc_attach;
750 uc->handle_reset = usb_msd_handle_reset;
751 uc->handle_control = usb_msd_handle_control;
752 uc->handle_data = usb_msd_handle_data;
753 dc->fw_name = "storage";
754 dc->vmsd = &vmstate_usb_msd;
755}
756
757static void usb_msd_class_initfn_storage(ObjectClass *klass, void *data)
758{
759 DeviceClass *dc = DEVICE_CLASS(klass);
760 USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
761
762 uc->init = usb_msd_initfn_storage;
763 dc->props = msd_properties;
764 usb_msd_class_initfn_common(klass);
765}
766
767static void usb_msd_class_initfn_bot(ObjectClass *klass, void *data)
768{
769 USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
770
771 uc->init = usb_msd_initfn_bot;
772 usb_msd_class_initfn_common(klass);
773}
774
775static const TypeInfo msd_info = {
776 .name = "usb-storage",
777 .parent = TYPE_USB_DEVICE,
778 .instance_size = sizeof(MSDState),
779 .class_init = usb_msd_class_initfn_storage,
780};
781
782static const TypeInfo bot_info = {
783 .name = "usb-bot",
784 .parent = TYPE_USB_DEVICE,
785 .instance_size = sizeof(MSDState),
786 .class_init = usb_msd_class_initfn_bot,
787};
788
789static void usb_msd_register_types(void)
790{
791 type_register_static(&msd_info);
792 type_register_static(&bot_info);
793 usb_legacy_register("usb-storage", "disk", usb_msd_init);
794}
795
796type_init(usb_msd_register_types)
797
