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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/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 uint32_t removable;
62} MSDState;
63
64struct usb_msd_cbw {
65 uint32_t sig;
66 uint32_t tag;
67 uint32_t data_len;
68 uint8_t flags;
69 uint8_t lun;
70 uint8_t cmd_len;
71 uint8_t cmd[16];
72};
73
74enum {
75 STR_MANUFACTURER = 1,
76 STR_PRODUCT,
77 STR_SERIALNUMBER,
78 STR_CONFIG_FULL,
79 STR_CONFIG_HIGH,
80 STR_CONFIG_SUPER,
81};
82
83static const USBDescStrings desc_strings = {
84 [STR_MANUFACTURER] = "QEMU",
85 [STR_PRODUCT] = "QEMU USB HARDDRIVE",
86 [STR_SERIALNUMBER] = "1",
87 [STR_CONFIG_FULL] = "Full speed config (usb 1.1)",
88 [STR_CONFIG_HIGH] = "High speed config (usb 2.0)",
89 [STR_CONFIG_SUPER] = "Super speed config (usb 3.0)",
90};
91
92static const USBDescIface desc_iface_full = {
93 .bInterfaceNumber = 0,
94 .bNumEndpoints = 2,
95 .bInterfaceClass = USB_CLASS_MASS_STORAGE,
96 .bInterfaceSubClass = 0x06,
97 .bInterfaceProtocol = 0x50,
98 .eps = (USBDescEndpoint[]) {
99 {
100 .bEndpointAddress = USB_DIR_IN | 0x01,
101 .bmAttributes = USB_ENDPOINT_XFER_BULK,
102 .wMaxPacketSize = 64,
103 },{
104 .bEndpointAddress = USB_DIR_OUT | 0x02,
105 .bmAttributes = USB_ENDPOINT_XFER_BULK,
106 .wMaxPacketSize = 64,
107 },
108 }
109};
110
111static const USBDescDevice desc_device_full = {
112 .bcdUSB = 0x0200,
113 .bMaxPacketSize0 = 8,
114 .bNumConfigurations = 1,
115 .confs = (USBDescConfig[]) {
116 {
117 .bNumInterfaces = 1,
118 .bConfigurationValue = 1,
119 .iConfiguration = STR_CONFIG_FULL,
120 .bmAttributes = 0xc0,
121 .nif = 1,
122 .ifs = &desc_iface_full,
123 },
124 },
125};
126
127static const USBDescIface desc_iface_high = {
128 .bInterfaceNumber = 0,
129 .bNumEndpoints = 2,
130 .bInterfaceClass = USB_CLASS_MASS_STORAGE,
131 .bInterfaceSubClass = 0x06,
132 .bInterfaceProtocol = 0x50,
133 .eps = (USBDescEndpoint[]) {
134 {
135 .bEndpointAddress = USB_DIR_IN | 0x01,
136 .bmAttributes = USB_ENDPOINT_XFER_BULK,
137 .wMaxPacketSize = 512,
138 },{
139 .bEndpointAddress = USB_DIR_OUT | 0x02,
140 .bmAttributes = USB_ENDPOINT_XFER_BULK,
141 .wMaxPacketSize = 512,
142 },
143 }
144};
145
146static const USBDescDevice desc_device_high = {
147 .bcdUSB = 0x0200,
148 .bMaxPacketSize0 = 64,
149 .bNumConfigurations = 1,
150 .confs = (USBDescConfig[]) {
151 {
152 .bNumInterfaces = 1,
153 .bConfigurationValue = 1,
154 .iConfiguration = STR_CONFIG_HIGH,
155 .bmAttributes = 0xc0,
156 .nif = 1,
157 .ifs = &desc_iface_high,
158 },
159 },
160};
161
162static const USBDescIface desc_iface_super = {
163 .bInterfaceNumber = 0,
164 .bNumEndpoints = 2,
165 .bInterfaceClass = USB_CLASS_MASS_STORAGE,
166 .bInterfaceSubClass = 0x06,
167 .bInterfaceProtocol = 0x50,
168 .eps = (USBDescEndpoint[]) {
169 {
170 .bEndpointAddress = USB_DIR_IN | 0x01,
171 .bmAttributes = USB_ENDPOINT_XFER_BULK,
172 .wMaxPacketSize = 1024,
173 .bMaxBurst = 15,
174 },{
175 .bEndpointAddress = USB_DIR_OUT | 0x02,
176 .bmAttributes = USB_ENDPOINT_XFER_BULK,
177 .wMaxPacketSize = 1024,
178 .bMaxBurst = 15,
179 },
180 }
181};
182
183static const USBDescDevice desc_device_super = {
184 .bcdUSB = 0x0300,
185 .bMaxPacketSize0 = 9,
186 .bNumConfigurations = 1,
187 .confs = (USBDescConfig[]) {
188 {
189 .bNumInterfaces = 1,
190 .bConfigurationValue = 1,
191 .iConfiguration = STR_CONFIG_SUPER,
192 .bmAttributes = 0xc0,
193 .nif = 1,
194 .ifs = &desc_iface_super,
195 },
196 },
197};
198
199static const USBDesc desc = {
200 .id = {
201 .idVendor = 0x46f4,
202 .idProduct = 0x0001,
203 .bcdDevice = 0,
204 .iManufacturer = STR_MANUFACTURER,
205 .iProduct = STR_PRODUCT,
206 .iSerialNumber = STR_SERIALNUMBER,
207 },
208 .full = &desc_device_full,
209 .high = &desc_device_high,
210 .super = &desc_device_super,
211 .str = desc_strings,
212};
213
214static void usb_msd_copy_data(MSDState *s, USBPacket *p)
215{
216 uint32_t len;
217 len = p->iov.size - p->actual_length;
218 if (len > s->scsi_len)
219 len = s->scsi_len;
220 usb_packet_copy(p, scsi_req_get_buf(s->req) + s->scsi_off, len);
221 s->scsi_len -= len;
222 s->scsi_off += len;
223 s->data_len -= len;
224 if (s->scsi_len == 0 || s->data_len == 0) {
225 scsi_req_continue(s->req);
226 }
227}
228
229static void usb_msd_send_status(MSDState *s, USBPacket *p)
230{
231 int len;
232
233 DPRINTF("Command status %d tag 0x%x, len %zd\n",
234 s->csw.status, le32_to_cpu(s->csw.tag), p->iov.size);
235
236 assert(s->csw.sig == cpu_to_le32(0x53425355));
237 len = MIN(sizeof(s->csw), p->iov.size);
238 usb_packet_copy(p, &s->csw, len);
239 memset(&s->csw, 0, sizeof(s->csw));
240}
241
242static void usb_msd_packet_complete(MSDState *s)
243{
244 USBPacket *p = s->packet;
245
246
247
248
249 DPRINTF("Packet complete %p\n", p);
250 s->packet = NULL;
251 usb_packet_complete(&s->dev, p);
252}
253
254static void usb_msd_transfer_data(SCSIRequest *req, uint32_t len)
255{
256 MSDState *s = DO_UPCAST(MSDState, dev.qdev, req->bus->qbus.parent);
257 USBPacket *p = s->packet;
258
259 assert((s->mode == USB_MSDM_DATAOUT) == (req->cmd.mode == SCSI_XFER_TO_DEV));
260 s->scsi_len = len;
261 s->scsi_off = 0;
262 if (p) {
263 usb_msd_copy_data(s, p);
264 p = s->packet;
265 if (p && p->actual_length == p->iov.size) {
266 p->status = USB_RET_SUCCESS;
267 usb_msd_packet_complete(s);
268 }
269 }
270}
271
272static void usb_msd_command_complete(SCSIRequest *req, uint32_t status, size_t resid)
273{
274 MSDState *s = DO_UPCAST(MSDState, dev.qdev, req->bus->qbus.parent);
275 USBPacket *p = s->packet;
276
277 DPRINTF("Command complete %d tag 0x%x\n", status, req->tag);
278
279 s->csw.sig = cpu_to_le32(0x53425355);
280 s->csw.tag = cpu_to_le32(req->tag);
281 s->csw.residue = cpu_to_le32(s->data_len);
282 s->csw.status = status != 0;
283
284 if (s->packet) {
285 if (s->data_len == 0 && s->mode == USB_MSDM_DATAOUT) {
286
287
288 usb_msd_send_status(s, p);
289 s->mode = USB_MSDM_CBW;
290 } else if (s->mode == USB_MSDM_CSW) {
291 usb_msd_send_status(s, p);
292 s->mode = USB_MSDM_CBW;
293 } else {
294 if (s->data_len) {
295 int len = (p->iov.size - p->actual_length);
296 usb_packet_skip(p, len);
297 s->data_len -= len;
298 }
299 if (s->data_len == 0) {
300 s->mode = USB_MSDM_CSW;
301 }
302 }
303 p->status = USB_RET_SUCCESS;
304 usb_msd_packet_complete(s);
305 } else if (s->data_len == 0) {
306 s->mode = USB_MSDM_CSW;
307 }
308 scsi_req_unref(req);
309 s->req = NULL;
310}
311
312static void usb_msd_request_cancelled(SCSIRequest *req)
313{
314 MSDState *s = DO_UPCAST(MSDState, dev.qdev, req->bus->qbus.parent);
315
316 if (req == s->req) {
317 scsi_req_unref(s->req);
318 s->req = NULL;
319 s->scsi_len = 0;
320 }
321}
322
323static void usb_msd_handle_reset(USBDevice *dev)
324{
325 MSDState *s = (MSDState *)dev;
326
327 DPRINTF("Reset\n");
328 if (s->req) {
329 scsi_req_cancel(s->req);
330 }
331 assert(s->req == NULL);
332
333 if (s->packet) {
334 s->packet->status = USB_RET_STALL;
335 usb_msd_packet_complete(s);
336 }
337
338 s->mode = USB_MSDM_CBW;
339}
340
341static void usb_msd_handle_control(USBDevice *dev, USBPacket *p,
342 int request, int value, int index, int length, uint8_t *data)
343{
344 MSDState *s = (MSDState *)dev;
345 SCSIDevice *scsi_dev;
346 int ret, maxlun;
347
348 ret = usb_desc_handle_control(dev, p, request, value, index, length, data);
349 if (ret >= 0) {
350 return;
351 }
352
353 switch (request) {
354 case EndpointOutRequest | USB_REQ_CLEAR_FEATURE:
355 break;
356
357 case ClassInterfaceOutRequest | MassStorageReset:
358
359 s->mode = USB_MSDM_CBW;
360 break;
361 case ClassInterfaceRequest | GetMaxLun:
362 maxlun = 0;
363 for (;;) {
364 scsi_dev = scsi_device_find(&s->bus, 0, 0, maxlun+1);
365 if (scsi_dev == NULL) {
366 break;
367 }
368 if (scsi_dev->lun != maxlun+1) {
369 break;
370 }
371 maxlun++;
372 }
373 DPRINTF("MaxLun %d\n", maxlun);
374 data[0] = maxlun;
375 p->actual_length = 1;
376 break;
377 default:
378 p->status = USB_RET_STALL;
379 break;
380 }
381}
382
383static void usb_msd_cancel_io(USBDevice *dev, USBPacket *p)
384{
385 MSDState *s = DO_UPCAST(MSDState, dev, dev);
386
387 assert(s->packet == p);
388 s->packet = NULL;
389
390 if (s->req) {
391 scsi_req_cancel(s->req);
392 }
393}
394
395static void usb_msd_handle_data(USBDevice *dev, USBPacket *p)
396{
397 MSDState *s = (MSDState *)dev;
398 uint32_t tag;
399 struct usb_msd_cbw cbw;
400 uint8_t devep = p->ep->nr;
401 SCSIDevice *scsi_dev;
402 uint32_t len;
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 len = scsi_req_enqueue(s->req);
445 if (len) {
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 Error *err = NULL;
599
600 if (!bs) {
601 error_report("drive property not set");
602 return -1;
603 }
604
605 blkconf_serial(&s->conf, &dev->serial);
606
607
608
609
610
611
612
613
614
615
616 bdrv_detach_dev(bs, &s->dev.qdev);
617 s->conf.bs = NULL;
618
619 usb_desc_create_serial(dev);
620 usb_desc_init(dev);
621 scsi_bus_new(&s->bus, &s->dev.qdev, &usb_msd_scsi_info_storage, NULL);
622 scsi_dev = scsi_bus_legacy_add_drive(&s->bus, bs, 0, !!s->removable,
623 s->conf.bootindex, dev->serial,
624 &err);
625 if (!scsi_dev) {
626 return -1;
627 }
628 s->bus.qbus.allow_hotplug = 0;
629 usb_msd_handle_reset(dev);
630
631 if (bdrv_key_required(bs)) {
632 if (cur_mon) {
633 monitor_read_bdrv_key_start(cur_mon, bs, usb_msd_password_cb, s);
634 s->dev.auto_attach = 0;
635 } else {
636 autostart = 0;
637 }
638 }
639
640 return 0;
641}
642
643static int usb_msd_initfn_bot(USBDevice *dev)
644{
645 MSDState *s = DO_UPCAST(MSDState, dev, dev);
646
647 usb_desc_create_serial(dev);
648 usb_desc_init(dev);
649 scsi_bus_new(&s->bus, &s->dev.qdev, &usb_msd_scsi_info_bot, NULL);
650 s->bus.qbus.allow_hotplug = 0;
651 usb_msd_handle_reset(dev);
652
653 return 0;
654}
655
656static USBDevice *usb_msd_init(USBBus *bus, const char *filename)
657{
658 static int nr=0;
659 char id[8];
660 QemuOpts *opts;
661 DriveInfo *dinfo;
662 USBDevice *dev;
663 const char *p1;
664 char fmt[32];
665
666
667 snprintf(id, sizeof(id), "usb%d", nr++);
668 opts = qemu_opts_create(qemu_find_opts("drive"), id, 0, NULL);
669
670 p1 = strchr(filename, ':');
671 if (p1++) {
672 const char *p2;
673
674 if (strstart(filename, "format=", &p2)) {
675 int len = MIN(p1 - p2, sizeof(fmt));
676 pstrcpy(fmt, len, p2);
677 qemu_opt_set(opts, "format", fmt);
678 } else if (*filename != ':') {
679 printf("unrecognized USB mass-storage option %s\n", filename);
680 return NULL;
681 }
682 filename = p1;
683 }
684 if (!*filename) {
685 printf("block device specification needed\n");
686 return NULL;
687 }
688 qemu_opt_set(opts, "file", filename);
689 qemu_opt_set(opts, "if", "none");
690
691
692 dinfo = drive_init(opts, 0);
693 if (!dinfo) {
694 qemu_opts_del(opts);
695 return NULL;
696 }
697
698
699 dev = usb_create(bus, "usb-storage");
700 if (!dev) {
701 return NULL;
702 }
703 if (qdev_prop_set_drive(&dev->qdev, "drive", dinfo->bdrv) < 0) {
704 qdev_free(&dev->qdev);
705 return NULL;
706 }
707 if (qdev_init(&dev->qdev) < 0)
708 return NULL;
709
710 return dev;
711}
712
713static const VMStateDescription vmstate_usb_msd = {
714 .name = "usb-storage",
715 .version_id = 1,
716 .minimum_version_id = 1,
717 .fields = (VMStateField []) {
718 VMSTATE_USB_DEVICE(dev, MSDState),
719 VMSTATE_UINT32(mode, MSDState),
720 VMSTATE_UINT32(scsi_len, MSDState),
721 VMSTATE_UINT32(scsi_off, MSDState),
722 VMSTATE_UINT32(data_len, MSDState),
723 VMSTATE_UINT32(csw.sig, MSDState),
724 VMSTATE_UINT32(csw.tag, MSDState),
725 VMSTATE_UINT32(csw.residue, MSDState),
726 VMSTATE_UINT8(csw.status, MSDState),
727 VMSTATE_END_OF_LIST()
728 }
729};
730
731static Property msd_properties[] = {
732 DEFINE_BLOCK_PROPERTIES(MSDState, conf),
733 DEFINE_PROP_BIT("removable", MSDState, removable, 0, false),
734 DEFINE_PROP_END_OF_LIST(),
735};
736
737static void usb_msd_class_initfn_common(ObjectClass *klass)
738{
739 DeviceClass *dc = DEVICE_CLASS(klass);
740 USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
741
742 uc->product_desc = "QEMU USB MSD";
743 uc->usb_desc = &desc;
744 uc->cancel_packet = usb_msd_cancel_io;
745 uc->handle_attach = usb_desc_attach;
746 uc->handle_reset = usb_msd_handle_reset;
747 uc->handle_control = usb_msd_handle_control;
748 uc->handle_data = usb_msd_handle_data;
749 set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
750 dc->fw_name = "storage";
751 dc->vmsd = &vmstate_usb_msd;
752}
753
754static void usb_msd_class_initfn_storage(ObjectClass *klass, void *data)
755{
756 DeviceClass *dc = DEVICE_CLASS(klass);
757 USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
758
759 uc->init = usb_msd_initfn_storage;
760 dc->props = msd_properties;
761 usb_msd_class_initfn_common(klass);
762}
763
764static void usb_msd_class_initfn_bot(ObjectClass *klass, void *data)
765{
766 USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
767
768 uc->init = usb_msd_initfn_bot;
769 usb_msd_class_initfn_common(klass);
770}
771
772static const TypeInfo msd_info = {
773 .name = "usb-storage",
774 .parent = TYPE_USB_DEVICE,
775 .instance_size = sizeof(MSDState),
776 .class_init = usb_msd_class_initfn_storage,
777};
778
779static const TypeInfo bot_info = {
780 .name = "usb-bot",
781 .parent = TYPE_USB_DEVICE,
782 .instance_size = sizeof(MSDState),
783 .class_init = usb_msd_class_initfn_bot,
784};
785
786static void usb_msd_register_types(void)
787{
788 type_register_static(&msd_info);
789 type_register_static(&bot_info);
790 usb_legacy_register("usb-storage", "disk", usb_msd_init);
791}
792
793type_init(usb_msd_register_types)
794
