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10#include "qemu/osdep.h"
11#include "qapi/error.h"
12#include "qemu/error-report.h"
13#include "qemu/module.h"
14#include "qemu/option.h"
15#include "qemu/config-file.h"
16#include "hw/usb.h"
17#include "desc.h"
18#include "hw/qdev-properties.h"
19#include "hw/scsi/scsi.h"
20#include "ui/console.h"
21#include "migration/vmstate.h"
22#include "monitor/monitor.h"
23#include "sysemu/sysemu.h"
24#include "sysemu/block-backend.h"
25#include "qapi/visitor.h"
26#include "qemu/cutils.h"
27
28
29
30#ifdef DEBUG_MSD
31#define DPRINTF(fmt, ...) \
32do { printf("usb-msd: " fmt , ## __VA_ARGS__); } while (0)
33#else
34#define DPRINTF(fmt, ...) do {} while(0)
35#endif
36
37
38#define MassStorageReset 0xff
39#define GetMaxLun 0xfe
40
41enum USBMSDMode {
42 USB_MSDM_CBW,
43 USB_MSDM_DATAOUT,
44 USB_MSDM_DATAIN,
45 USB_MSDM_CSW
46};
47
48struct usb_msd_csw {
49 uint32_t sig;
50 uint32_t tag;
51 uint32_t residue;
52 uint8_t status;
53};
54
55typedef struct {
56 USBDevice dev;
57 enum USBMSDMode mode;
58 uint32_t scsi_off;
59 uint32_t scsi_len;
60 uint32_t data_len;
61 struct usb_msd_csw csw;
62 SCSIRequest *req;
63 SCSIBus bus;
64
65 USBPacket *packet;
66
67 BlockConf conf;
68 uint32_t removable;
69 SCSIDevice *scsi_dev;
70} MSDState;
71
72#define TYPE_USB_STORAGE "usb-storage-dev"
73#define USB_STORAGE_DEV(obj) OBJECT_CHECK(MSDState, (obj), TYPE_USB_STORAGE)
74
75struct usb_msd_cbw {
76 uint32_t sig;
77 uint32_t tag;
78 uint32_t data_len;
79 uint8_t flags;
80 uint8_t lun;
81 uint8_t cmd_len;
82 uint8_t cmd[16];
83};
84
85enum {
86 STR_MANUFACTURER = 1,
87 STR_PRODUCT,
88 STR_SERIALNUMBER,
89 STR_CONFIG_FULL,
90 STR_CONFIG_HIGH,
91 STR_CONFIG_SUPER,
92};
93
94static const USBDescStrings desc_strings = {
95 [STR_MANUFACTURER] = "QEMU",
96 [STR_PRODUCT] = "QEMU USB HARDDRIVE",
97 [STR_SERIALNUMBER] = "1",
98 [STR_CONFIG_FULL] = "Full speed config (usb 1.1)",
99 [STR_CONFIG_HIGH] = "High speed config (usb 2.0)",
100 [STR_CONFIG_SUPER] = "Super speed config (usb 3.0)",
101};
102
103static const USBDescIface desc_iface_full = {
104 .bInterfaceNumber = 0,
105 .bNumEndpoints = 2,
106 .bInterfaceClass = USB_CLASS_MASS_STORAGE,
107 .bInterfaceSubClass = 0x06,
108 .bInterfaceProtocol = 0x50,
109 .eps = (USBDescEndpoint[]) {
110 {
111 .bEndpointAddress = USB_DIR_IN | 0x01,
112 .bmAttributes = USB_ENDPOINT_XFER_BULK,
113 .wMaxPacketSize = 64,
114 },{
115 .bEndpointAddress = USB_DIR_OUT | 0x02,
116 .bmAttributes = USB_ENDPOINT_XFER_BULK,
117 .wMaxPacketSize = 64,
118 },
119 }
120};
121
122static const USBDescDevice desc_device_full = {
123 .bcdUSB = 0x0200,
124 .bMaxPacketSize0 = 8,
125 .bNumConfigurations = 1,
126 .confs = (USBDescConfig[]) {
127 {
128 .bNumInterfaces = 1,
129 .bConfigurationValue = 1,
130 .iConfiguration = STR_CONFIG_FULL,
131 .bmAttributes = USB_CFG_ATT_ONE | USB_CFG_ATT_SELFPOWER,
132 .nif = 1,
133 .ifs = &desc_iface_full,
134 },
135 },
136};
137
138static const USBDescIface desc_iface_high = {
139 .bInterfaceNumber = 0,
140 .bNumEndpoints = 2,
141 .bInterfaceClass = USB_CLASS_MASS_STORAGE,
142 .bInterfaceSubClass = 0x06,
143 .bInterfaceProtocol = 0x50,
144 .eps = (USBDescEndpoint[]) {
145 {
146 .bEndpointAddress = USB_DIR_IN | 0x01,
147 .bmAttributes = USB_ENDPOINT_XFER_BULK,
148 .wMaxPacketSize = 512,
149 },{
150 .bEndpointAddress = USB_DIR_OUT | 0x02,
151 .bmAttributes = USB_ENDPOINT_XFER_BULK,
152 .wMaxPacketSize = 512,
153 },
154 }
155};
156
157static const USBDescDevice desc_device_high = {
158 .bcdUSB = 0x0200,
159 .bMaxPacketSize0 = 64,
160 .bNumConfigurations = 1,
161 .confs = (USBDescConfig[]) {
162 {
163 .bNumInterfaces = 1,
164 .bConfigurationValue = 1,
165 .iConfiguration = STR_CONFIG_HIGH,
166 .bmAttributes = USB_CFG_ATT_ONE | USB_CFG_ATT_SELFPOWER,
167 .nif = 1,
168 .ifs = &desc_iface_high,
169 },
170 },
171};
172
173static const USBDescIface desc_iface_super = {
174 .bInterfaceNumber = 0,
175 .bNumEndpoints = 2,
176 .bInterfaceClass = USB_CLASS_MASS_STORAGE,
177 .bInterfaceSubClass = 0x06,
178 .bInterfaceProtocol = 0x50,
179 .eps = (USBDescEndpoint[]) {
180 {
181 .bEndpointAddress = USB_DIR_IN | 0x01,
182 .bmAttributes = USB_ENDPOINT_XFER_BULK,
183 .wMaxPacketSize = 1024,
184 .bMaxBurst = 15,
185 },{
186 .bEndpointAddress = USB_DIR_OUT | 0x02,
187 .bmAttributes = USB_ENDPOINT_XFER_BULK,
188 .wMaxPacketSize = 1024,
189 .bMaxBurst = 15,
190 },
191 }
192};
193
194static const USBDescDevice desc_device_super = {
195 .bcdUSB = 0x0300,
196 .bMaxPacketSize0 = 9,
197 .bNumConfigurations = 1,
198 .confs = (USBDescConfig[]) {
199 {
200 .bNumInterfaces = 1,
201 .bConfigurationValue = 1,
202 .iConfiguration = STR_CONFIG_SUPER,
203 .bmAttributes = USB_CFG_ATT_ONE | USB_CFG_ATT_SELFPOWER,
204 .nif = 1,
205 .ifs = &desc_iface_super,
206 },
207 },
208};
209
210static const USBDesc desc = {
211 .id = {
212 .idVendor = 0x46f4,
213 .idProduct = 0x0001,
214 .bcdDevice = 0,
215 .iManufacturer = STR_MANUFACTURER,
216 .iProduct = STR_PRODUCT,
217 .iSerialNumber = STR_SERIALNUMBER,
218 },
219 .full = &desc_device_full,
220 .high = &desc_device_high,
221 .super = &desc_device_super,
222 .str = desc_strings,
223};
224
225static void usb_msd_copy_data(MSDState *s, USBPacket *p)
226{
227 uint32_t len;
228 len = p->iov.size - p->actual_length;
229 if (len > s->scsi_len)
230 len = s->scsi_len;
231 usb_packet_copy(p, scsi_req_get_buf(s->req) + s->scsi_off, len);
232 s->scsi_len -= len;
233 s->scsi_off += len;
234 s->data_len -= len;
235 if (s->scsi_len == 0 || s->data_len == 0) {
236 scsi_req_continue(s->req);
237 }
238}
239
240static void usb_msd_send_status(MSDState *s, USBPacket *p)
241{
242 int len;
243
244 DPRINTF("Command status %d tag 0x%x, len %zd\n",
245 s->csw.status, le32_to_cpu(s->csw.tag), p->iov.size);
246
247 assert(s->csw.sig == cpu_to_le32(0x53425355));
248 len = MIN(sizeof(s->csw), p->iov.size);
249 usb_packet_copy(p, &s->csw, len);
250 memset(&s->csw, 0, sizeof(s->csw));
251}
252
253static void usb_msd_packet_complete(MSDState *s)
254{
255 USBPacket *p = s->packet;
256
257
258
259
260 DPRINTF("Packet complete %p\n", p);
261 s->packet = NULL;
262 usb_packet_complete(&s->dev, p);
263}
264
265static void usb_msd_transfer_data(SCSIRequest *req, uint32_t len)
266{
267 MSDState *s = DO_UPCAST(MSDState, dev.qdev, req->bus->qbus.parent);
268 USBPacket *p = s->packet;
269
270 assert((s->mode == USB_MSDM_DATAOUT) == (req->cmd.mode == SCSI_XFER_TO_DEV));
271 s->scsi_len = len;
272 s->scsi_off = 0;
273 if (p) {
274 usb_msd_copy_data(s, p);
275 p = s->packet;
276 if (p && p->actual_length == p->iov.size) {
277 p->status = USB_RET_SUCCESS;
278 usb_msd_packet_complete(s);
279 }
280 }
281}
282
283static void usb_msd_command_complete(SCSIRequest *req, uint32_t status, size_t resid)
284{
285 MSDState *s = DO_UPCAST(MSDState, dev.qdev, req->bus->qbus.parent);
286 USBPacket *p = s->packet;
287
288 DPRINTF("Command complete %d tag 0x%x\n", status, req->tag);
289
290 s->csw.sig = cpu_to_le32(0x53425355);
291 s->csw.tag = cpu_to_le32(req->tag);
292 s->csw.residue = cpu_to_le32(s->data_len);
293 s->csw.status = status != 0;
294
295 if (s->packet) {
296 if (s->data_len == 0 && s->mode == USB_MSDM_DATAOUT) {
297
298
299 usb_msd_send_status(s, p);
300 s->mode = USB_MSDM_CBW;
301 } else if (s->mode == USB_MSDM_CSW) {
302 usb_msd_send_status(s, p);
303 s->mode = USB_MSDM_CBW;
304 } else {
305 if (s->data_len) {
306 int len = (p->iov.size - p->actual_length);
307 usb_packet_skip(p, len);
308 s->data_len -= len;
309 }
310 if (s->data_len == 0) {
311 s->mode = USB_MSDM_CSW;
312 }
313 }
314 p->status = USB_RET_SUCCESS;
315 usb_msd_packet_complete(s);
316 } else if (s->data_len == 0) {
317 s->mode = USB_MSDM_CSW;
318 }
319 scsi_req_unref(req);
320 s->req = NULL;
321}
322
323static void usb_msd_request_cancelled(SCSIRequest *req)
324{
325 MSDState *s = DO_UPCAST(MSDState, dev.qdev, req->bus->qbus.parent);
326
327 if (req == s->req) {
328 scsi_req_unref(s->req);
329 s->req = NULL;
330 s->scsi_len = 0;
331 }
332}
333
334static void usb_msd_handle_reset(USBDevice *dev)
335{
336 MSDState *s = (MSDState *)dev;
337
338 DPRINTF("Reset\n");
339 if (s->req) {
340 scsi_req_cancel(s->req);
341 }
342 assert(s->req == NULL);
343
344 if (s->packet) {
345 s->packet->status = USB_RET_STALL;
346 usb_msd_packet_complete(s);
347 }
348
349 s->mode = USB_MSDM_CBW;
350}
351
352static void usb_msd_handle_control(USBDevice *dev, USBPacket *p,
353 int request, int value, int index, int length, uint8_t *data)
354{
355 MSDState *s = (MSDState *)dev;
356 SCSIDevice *scsi_dev;
357 int ret, maxlun;
358
359 ret = usb_desc_handle_control(dev, p, request, value, index, length, data);
360 if (ret >= 0) {
361 return;
362 }
363
364 switch (request) {
365 case EndpointOutRequest | USB_REQ_CLEAR_FEATURE:
366 break;
367
368 case ClassInterfaceOutRequest | MassStorageReset:
369
370 s->mode = USB_MSDM_CBW;
371 break;
372 case ClassInterfaceRequest | GetMaxLun:
373 maxlun = 0;
374 for (;;) {
375 scsi_dev = scsi_device_find(&s->bus, 0, 0, maxlun+1);
376 if (scsi_dev == NULL) {
377 break;
378 }
379 if (scsi_dev->lun != maxlun+1) {
380 break;
381 }
382 maxlun++;
383 }
384 DPRINTF("MaxLun %d\n", maxlun);
385 data[0] = maxlun;
386 p->actual_length = 1;
387 break;
388 default:
389 p->status = USB_RET_STALL;
390 break;
391 }
392}
393
394static void usb_msd_cancel_io(USBDevice *dev, USBPacket *p)
395{
396 MSDState *s = USB_STORAGE_DEV(dev);
397
398 assert(s->packet == p);
399 s->packet = NULL;
400
401 if (s->req) {
402 scsi_req_cancel(s->req);
403 }
404}
405
406static void usb_msd_handle_data(USBDevice *dev, USBPacket *p)
407{
408 MSDState *s = (MSDState *)dev;
409 uint32_t tag;
410 struct usb_msd_cbw cbw;
411 uint8_t devep = p->ep->nr;
412 SCSIDevice *scsi_dev;
413 uint32_t len;
414
415 switch (p->pid) {
416 case USB_TOKEN_OUT:
417 if (devep != 2)
418 goto fail;
419
420 switch (s->mode) {
421 case USB_MSDM_CBW:
422 if (p->iov.size != 31) {
423 error_report("usb-msd: Bad CBW size");
424 goto fail;
425 }
426 usb_packet_copy(p, &cbw, 31);
427 if (le32_to_cpu(cbw.sig) != 0x43425355) {
428 error_report("usb-msd: Bad signature %08x",
429 le32_to_cpu(cbw.sig));
430 goto fail;
431 }
432 DPRINTF("Command on LUN %d\n", cbw.lun);
433 scsi_dev = scsi_device_find(&s->bus, 0, 0, cbw.lun);
434 if (scsi_dev == NULL) {
435 error_report("usb-msd: Bad LUN %d", cbw.lun);
436 goto fail;
437 }
438 tag = le32_to_cpu(cbw.tag);
439 s->data_len = le32_to_cpu(cbw.data_len);
440 if (s->data_len == 0) {
441 s->mode = USB_MSDM_CSW;
442 } else if (cbw.flags & 0x80) {
443 s->mode = USB_MSDM_DATAIN;
444 } else {
445 s->mode = USB_MSDM_DATAOUT;
446 }
447 DPRINTF("Command tag 0x%x flags %08x len %d data %d\n",
448 tag, cbw.flags, cbw.cmd_len, s->data_len);
449 assert(le32_to_cpu(s->csw.residue) == 0);
450 s->scsi_len = 0;
451 s->req = scsi_req_new(scsi_dev, tag, cbw.lun, cbw.cmd, NULL);
452#ifdef DEBUG_MSD
453 scsi_req_print(s->req);
454#endif
455 len = scsi_req_enqueue(s->req);
456 if (len) {
457 scsi_req_continue(s->req);
458 }
459 break;
460
461 case USB_MSDM_DATAOUT:
462 DPRINTF("Data out %zd/%d\n", p->iov.size, s->data_len);
463 if (p->iov.size > s->data_len) {
464 goto fail;
465 }
466
467 if (s->scsi_len) {
468 usb_msd_copy_data(s, p);
469 }
470 if (le32_to_cpu(s->csw.residue)) {
471 int len = p->iov.size - p->actual_length;
472 if (len) {
473 usb_packet_skip(p, len);
474 s->data_len -= len;
475 if (s->data_len == 0) {
476 s->mode = USB_MSDM_CSW;
477 }
478 }
479 }
480 if (p->actual_length < p->iov.size) {
481 DPRINTF("Deferring packet %p [wait data-out]\n", p);
482 s->packet = p;
483 p->status = USB_RET_ASYNC;
484 }
485 break;
486
487 default:
488 DPRINTF("Unexpected write (len %zd)\n", p->iov.size);
489 goto fail;
490 }
491 break;
492
493 case USB_TOKEN_IN:
494 if (devep != 1)
495 goto fail;
496
497 switch (s->mode) {
498 case USB_MSDM_DATAOUT:
499 if (s->data_len != 0 || p->iov.size < 13) {
500 goto fail;
501 }
502
503 s->packet = p;
504 p->status = USB_RET_ASYNC;
505 break;
506
507 case USB_MSDM_CSW:
508 if (p->iov.size < 13) {
509 goto fail;
510 }
511
512 if (s->req) {
513
514 DPRINTF("Deferring packet %p [wait status]\n", p);
515 s->packet = p;
516 p->status = USB_RET_ASYNC;
517 } else {
518 usb_msd_send_status(s, p);
519 s->mode = USB_MSDM_CBW;
520 }
521 break;
522
523 case USB_MSDM_DATAIN:
524 DPRINTF("Data in %zd/%d, scsi_len %d\n",
525 p->iov.size, s->data_len, s->scsi_len);
526 if (s->scsi_len) {
527 usb_msd_copy_data(s, p);
528 }
529 if (le32_to_cpu(s->csw.residue)) {
530 int len = p->iov.size - p->actual_length;
531 if (len) {
532 usb_packet_skip(p, len);
533 s->data_len -= len;
534 if (s->data_len == 0) {
535 s->mode = USB_MSDM_CSW;
536 }
537 }
538 }
539 if (p->actual_length < p->iov.size) {
540 DPRINTF("Deferring packet %p [wait data-in]\n", p);
541 s->packet = p;
542 p->status = USB_RET_ASYNC;
543 }
544 break;
545
546 default:
547 DPRINTF("Unexpected read (len %zd)\n", p->iov.size);
548 goto fail;
549 }
550 break;
551
552 default:
553 DPRINTF("Bad token\n");
554 fail:
555 p->status = USB_RET_STALL;
556 break;
557 }
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 void usb_msd_storage_realize(USBDevice *dev, Error **errp)
594{
595 MSDState *s = USB_STORAGE_DEV(dev);
596 BlockBackend *blk = s->conf.blk;
597 SCSIDevice *scsi_dev;
598
599 if (!blk) {
600 error_setg(errp, "drive property not set");
601 return;
602 }
603
604 blkconf_blocksizes(&s->conf);
605 if (!blkconf_apply_backend_options(&s->conf, blk_is_read_only(blk), true,
606 errp)) {
607 return;
608 }
609
610
611
612
613
614
615
616
617
618
619
620 blk_ref(blk);
621 blk_detach_dev(blk, DEVICE(s));
622 s->conf.blk = NULL;
623
624 usb_desc_create_serial(dev);
625 usb_desc_init(dev);
626 scsi_bus_new(&s->bus, sizeof(s->bus), DEVICE(dev),
627 &usb_msd_scsi_info_storage, NULL);
628 scsi_dev = scsi_bus_legacy_add_drive(&s->bus, blk, 0, !!s->removable,
629 s->conf.bootindex, s->conf.share_rw,
630 s->conf.rerror, s->conf.werror,
631 dev->serial,
632 errp);
633 blk_unref(blk);
634 if (!scsi_dev) {
635 return;
636 }
637 usb_msd_handle_reset(dev);
638 s->scsi_dev = scsi_dev;
639}
640
641static void usb_msd_bot_realize(USBDevice *dev, Error **errp)
642{
643 MSDState *s = USB_STORAGE_DEV(dev);
644 DeviceState *d = DEVICE(dev);
645
646 usb_desc_create_serial(dev);
647 usb_desc_init(dev);
648 if (d->hotplugged) {
649 s->dev.auto_attach = 0;
650 }
651
652 scsi_bus_new(&s->bus, sizeof(s->bus), DEVICE(dev),
653 &usb_msd_scsi_info_bot, NULL);
654 usb_msd_handle_reset(dev);
655}
656
657static const VMStateDescription vmstate_usb_msd = {
658 .name = "usb-storage",
659 .version_id = 1,
660 .minimum_version_id = 1,
661 .fields = (VMStateField[]) {
662 VMSTATE_USB_DEVICE(dev, MSDState),
663 VMSTATE_UINT32(mode, MSDState),
664 VMSTATE_UINT32(scsi_len, MSDState),
665 VMSTATE_UINT32(scsi_off, MSDState),
666 VMSTATE_UINT32(data_len, MSDState),
667 VMSTATE_UINT32(csw.sig, MSDState),
668 VMSTATE_UINT32(csw.tag, MSDState),
669 VMSTATE_UINT32(csw.residue, MSDState),
670 VMSTATE_UINT8(csw.status, MSDState),
671 VMSTATE_END_OF_LIST()
672 }
673};
674
675static Property msd_properties[] = {
676 DEFINE_BLOCK_PROPERTIES(MSDState, conf),
677 DEFINE_BLOCK_ERROR_PROPERTIES(MSDState, conf),
678 DEFINE_PROP_BIT("removable", MSDState, removable, 0, false),
679 DEFINE_PROP_END_OF_LIST(),
680};
681
682static void usb_msd_class_initfn_common(ObjectClass *klass, void *data)
683{
684 DeviceClass *dc = DEVICE_CLASS(klass);
685 USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
686
687 uc->product_desc = "QEMU USB MSD";
688 uc->usb_desc = &desc;
689 uc->cancel_packet = usb_msd_cancel_io;
690 uc->handle_attach = usb_desc_attach;
691 uc->handle_reset = usb_msd_handle_reset;
692 uc->handle_control = usb_msd_handle_control;
693 uc->handle_data = usb_msd_handle_data;
694 set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
695 dc->fw_name = "storage";
696 dc->vmsd = &vmstate_usb_msd;
697}
698
699static void usb_msd_class_storage_initfn(ObjectClass *klass, void *data)
700{
701 DeviceClass *dc = DEVICE_CLASS(klass);
702 USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
703
704 uc->realize = usb_msd_storage_realize;
705 dc->props = msd_properties;
706}
707
708static void usb_msd_get_bootindex(Object *obj, Visitor *v, const char *name,
709 void *opaque, Error **errp)
710{
711 USBDevice *dev = USB_DEVICE(obj);
712 MSDState *s = USB_STORAGE_DEV(dev);
713
714 visit_type_int32(v, name, &s->conf.bootindex, errp);
715}
716
717static void usb_msd_set_bootindex(Object *obj, Visitor *v, const char *name,
718 void *opaque, Error **errp)
719{
720 USBDevice *dev = USB_DEVICE(obj);
721 MSDState *s = USB_STORAGE_DEV(dev);
722 int32_t boot_index;
723 Error *local_err = NULL;
724
725 visit_type_int32(v, name, &boot_index, &local_err);
726 if (local_err) {
727 goto out;
728 }
729
730 check_boot_index(boot_index, &local_err);
731 if (local_err) {
732 goto out;
733 }
734
735 s->conf.bootindex = boot_index;
736
737 if (s->scsi_dev) {
738 object_property_set_int(OBJECT(s->scsi_dev), boot_index, "bootindex",
739 &error_abort);
740 }
741
742out:
743 error_propagate(errp, local_err);
744}
745
746static const TypeInfo usb_storage_dev_type_info = {
747 .name = TYPE_USB_STORAGE,
748 .parent = TYPE_USB_DEVICE,
749 .instance_size = sizeof(MSDState),
750 .abstract = true,
751 .class_init = usb_msd_class_initfn_common,
752};
753
754static void usb_msd_instance_init(Object *obj)
755{
756 object_property_add(obj, "bootindex", "int32",
757 usb_msd_get_bootindex,
758 usb_msd_set_bootindex, NULL, NULL, NULL);
759 object_property_set_int(obj, -1, "bootindex", NULL);
760}
761
762static void usb_msd_class_bot_initfn(ObjectClass *klass, void *data)
763{
764 USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
765
766 uc->realize = usb_msd_bot_realize;
767 uc->attached_settable = true;
768}
769
770static const TypeInfo msd_info = {
771 .name = "usb-storage",
772 .parent = TYPE_USB_STORAGE,
773 .class_init = usb_msd_class_storage_initfn,
774 .instance_init = usb_msd_instance_init,
775};
776
777static const TypeInfo bot_info = {
778 .name = "usb-bot",
779 .parent = TYPE_USB_STORAGE,
780 .class_init = usb_msd_class_bot_initfn,
781};
782
783static void usb_msd_register_types(void)
784{
785 type_register_static(&usb_storage_dev_type_info);
786 type_register_static(&msd_info);
787 type_register_static(&bot_info);
788}
789
790type_init(usb_msd_register_types)
791
