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10#include "qemu/osdep.h"
11#include "qapi/error.h"
12#include "qemu-common.h"
13#include "qemu/error-report.h"
14#include "qemu/option.h"
15#include "qemu/config-file.h"
16#include "hw/usb.h"
17#include "hw/usb/desc.h"
18#include "hw/scsi/scsi.h"
19#include "ui/console.h"
20#include "monitor/monitor.h"
21#include "sysemu/sysemu.h"
22#include "sysemu/block-backend.h"
23#include "sysemu/blockdev.h"
24#include "qapi/visitor.h"
25#include "qemu/cutils.h"
26
27
28
29#ifdef DEBUG_MSD
30#define DPRINTF(fmt, ...) \
31do { printf("usb-msd: " fmt , ## __VA_ARGS__); } while (0)
32#else
33#define DPRINTF(fmt, ...) do {} while(0)
34#endif
35
36
37#define MassStorageReset 0xff
38#define GetMaxLun 0xfe
39
40enum USBMSDMode {
41 USB_MSDM_CBW,
42 USB_MSDM_DATAOUT,
43 USB_MSDM_DATAIN,
44 USB_MSDM_CSW
45};
46
47struct usb_msd_csw {
48 uint32_t sig;
49 uint32_t tag;
50 uint32_t residue;
51 uint8_t status;
52};
53
54typedef struct {
55 USBDevice dev;
56 enum USBMSDMode mode;
57 uint32_t scsi_off;
58 uint32_t scsi_len;
59 uint32_t data_len;
60 struct usb_msd_csw csw;
61 SCSIRequest *req;
62 SCSIBus bus;
63
64 USBPacket *packet;
65
66 BlockConf conf;
67 uint32_t removable;
68 SCSIDevice *scsi_dev;
69} MSDState;
70
71#define TYPE_USB_STORAGE "usb-storage-dev"
72#define USB_STORAGE_DEV(obj) OBJECT_CHECK(MSDState, (obj), TYPE_USB_STORAGE)
73
74struct usb_msd_cbw {
75 uint32_t sig;
76 uint32_t tag;
77 uint32_t data_len;
78 uint8_t flags;
79 uint8_t lun;
80 uint8_t cmd_len;
81 uint8_t cmd[16];
82};
83
84enum {
85 STR_MANUFACTURER = 1,
86 STR_PRODUCT,
87 STR_SERIALNUMBER,
88 STR_CONFIG_FULL,
89 STR_CONFIG_HIGH,
90 STR_CONFIG_SUPER,
91};
92
93static const USBDescStrings desc_strings = {
94 [STR_MANUFACTURER] = "QEMU",
95 [STR_PRODUCT] = "QEMU USB HARDDRIVE",
96 [STR_SERIALNUMBER] = "1",
97 [STR_CONFIG_FULL] = "Full speed config (usb 1.1)",
98 [STR_CONFIG_HIGH] = "High speed config (usb 2.0)",
99 [STR_CONFIG_SUPER] = "Super speed config (usb 3.0)",
100};
101
102static const USBDescIface desc_iface_full = {
103 .bInterfaceNumber = 0,
104 .bNumEndpoints = 2,
105 .bInterfaceClass = USB_CLASS_MASS_STORAGE,
106 .bInterfaceSubClass = 0x06,
107 .bInterfaceProtocol = 0x50,
108 .eps = (USBDescEndpoint[]) {
109 {
110 .bEndpointAddress = USB_DIR_IN | 0x01,
111 .bmAttributes = USB_ENDPOINT_XFER_BULK,
112 .wMaxPacketSize = 64,
113 },{
114 .bEndpointAddress = USB_DIR_OUT | 0x02,
115 .bmAttributes = USB_ENDPOINT_XFER_BULK,
116 .wMaxPacketSize = 64,
117 },
118 }
119};
120
121static const USBDescDevice desc_device_full = {
122 .bcdUSB = 0x0200,
123 .bMaxPacketSize0 = 8,
124 .bNumConfigurations = 1,
125 .confs = (USBDescConfig[]) {
126 {
127 .bNumInterfaces = 1,
128 .bConfigurationValue = 1,
129 .iConfiguration = STR_CONFIG_FULL,
130 .bmAttributes = USB_CFG_ATT_ONE | USB_CFG_ATT_SELFPOWER,
131 .nif = 1,
132 .ifs = &desc_iface_full,
133 },
134 },
135};
136
137static const USBDescIface desc_iface_high = {
138 .bInterfaceNumber = 0,
139 .bNumEndpoints = 2,
140 .bInterfaceClass = USB_CLASS_MASS_STORAGE,
141 .bInterfaceSubClass = 0x06,
142 .bInterfaceProtocol = 0x50,
143 .eps = (USBDescEndpoint[]) {
144 {
145 .bEndpointAddress = USB_DIR_IN | 0x01,
146 .bmAttributes = USB_ENDPOINT_XFER_BULK,
147 .wMaxPacketSize = 512,
148 },{
149 .bEndpointAddress = USB_DIR_OUT | 0x02,
150 .bmAttributes = USB_ENDPOINT_XFER_BULK,
151 .wMaxPacketSize = 512,
152 },
153 }
154};
155
156static const USBDescDevice desc_device_high = {
157 .bcdUSB = 0x0200,
158 .bMaxPacketSize0 = 64,
159 .bNumConfigurations = 1,
160 .confs = (USBDescConfig[]) {
161 {
162 .bNumInterfaces = 1,
163 .bConfigurationValue = 1,
164 .iConfiguration = STR_CONFIG_HIGH,
165 .bmAttributes = USB_CFG_ATT_ONE | USB_CFG_ATT_SELFPOWER,
166 .nif = 1,
167 .ifs = &desc_iface_high,
168 },
169 },
170};
171
172static const USBDescIface desc_iface_super = {
173 .bInterfaceNumber = 0,
174 .bNumEndpoints = 2,
175 .bInterfaceClass = USB_CLASS_MASS_STORAGE,
176 .bInterfaceSubClass = 0x06,
177 .bInterfaceProtocol = 0x50,
178 .eps = (USBDescEndpoint[]) {
179 {
180 .bEndpointAddress = USB_DIR_IN | 0x01,
181 .bmAttributes = USB_ENDPOINT_XFER_BULK,
182 .wMaxPacketSize = 1024,
183 .bMaxBurst = 15,
184 },{
185 .bEndpointAddress = USB_DIR_OUT | 0x02,
186 .bmAttributes = USB_ENDPOINT_XFER_BULK,
187 .wMaxPacketSize = 1024,
188 .bMaxBurst = 15,
189 },
190 }
191};
192
193static const USBDescDevice desc_device_super = {
194 .bcdUSB = 0x0300,
195 .bMaxPacketSize0 = 9,
196 .bNumConfigurations = 1,
197 .confs = (USBDescConfig[]) {
198 {
199 .bNumInterfaces = 1,
200 .bConfigurationValue = 1,
201 .iConfiguration = STR_CONFIG_SUPER,
202 .bmAttributes = USB_CFG_ATT_ONE | USB_CFG_ATT_SELFPOWER,
203 .nif = 1,
204 .ifs = &desc_iface_super,
205 },
206 },
207};
208
209static const USBDesc desc = {
210 .id = {
211 .idVendor = 0x46f4,
212 .idProduct = 0x0001,
213 .bcdDevice = 0,
214 .iManufacturer = STR_MANUFACTURER,
215 .iProduct = STR_PRODUCT,
216 .iSerialNumber = STR_SERIALNUMBER,
217 },
218 .full = &desc_device_full,
219 .high = &desc_device_high,
220 .super = &desc_device_super,
221 .str = desc_strings,
222};
223
224static void usb_msd_copy_data(MSDState *s, USBPacket *p)
225{
226 uint32_t len;
227 len = p->iov.size - p->actual_length;
228 if (len > s->scsi_len)
229 len = s->scsi_len;
230 usb_packet_copy(p, scsi_req_get_buf(s->req) + s->scsi_off, len);
231 s->scsi_len -= len;
232 s->scsi_off += len;
233 s->data_len -= len;
234 if (s->scsi_len == 0 || s->data_len == 0) {
235 scsi_req_continue(s->req);
236 }
237}
238
239static void usb_msd_send_status(MSDState *s, USBPacket *p)
240{
241 int len;
242
243 DPRINTF("Command status %d tag 0x%x, len %zd\n",
244 s->csw.status, le32_to_cpu(s->csw.tag), p->iov.size);
245
246 assert(s->csw.sig == cpu_to_le32(0x53425355));
247 len = MIN(sizeof(s->csw), p->iov.size);
248 usb_packet_copy(p, &s->csw, len);
249 memset(&s->csw, 0, sizeof(s->csw));
250}
251
252static void usb_msd_packet_complete(MSDState *s)
253{
254 USBPacket *p = s->packet;
255
256
257
258
259 DPRINTF("Packet complete %p\n", p);
260 s->packet = NULL;
261 usb_packet_complete(&s->dev, p);
262}
263
264static void usb_msd_transfer_data(SCSIRequest *req, uint32_t len)
265{
266 MSDState *s = DO_UPCAST(MSDState, dev.qdev, req->bus->qbus.parent);
267 USBPacket *p = s->packet;
268
269 assert((s->mode == USB_MSDM_DATAOUT) == (req->cmd.mode == SCSI_XFER_TO_DEV));
270 s->scsi_len = len;
271 s->scsi_off = 0;
272 if (p) {
273 usb_msd_copy_data(s, p);
274 p = s->packet;
275 if (p && p->actual_length == p->iov.size) {
276 p->status = USB_RET_SUCCESS;
277 usb_msd_packet_complete(s);
278 }
279 }
280}
281
282static void usb_msd_command_complete(SCSIRequest *req, uint32_t status, size_t resid)
283{
284 MSDState *s = DO_UPCAST(MSDState, dev.qdev, req->bus->qbus.parent);
285 USBPacket *p = s->packet;
286
287 DPRINTF("Command complete %d tag 0x%x\n", status, req->tag);
288
289 s->csw.sig = cpu_to_le32(0x53425355);
290 s->csw.tag = cpu_to_le32(req->tag);
291 s->csw.residue = cpu_to_le32(s->data_len);
292 s->csw.status = status != 0;
293
294 if (s->packet) {
295 if (s->data_len == 0 && s->mode == USB_MSDM_DATAOUT) {
296
297
298 usb_msd_send_status(s, p);
299 s->mode = USB_MSDM_CBW;
300 } else if (s->mode == USB_MSDM_CSW) {
301 usb_msd_send_status(s, p);
302 s->mode = USB_MSDM_CBW;
303 } else {
304 if (s->data_len) {
305 int len = (p->iov.size - p->actual_length);
306 usb_packet_skip(p, len);
307 s->data_len -= len;
308 }
309 if (s->data_len == 0) {
310 s->mode = USB_MSDM_CSW;
311 }
312 }
313 p->status = USB_RET_SUCCESS;
314 usb_msd_packet_complete(s);
315 } else if (s->data_len == 0) {
316 s->mode = USB_MSDM_CSW;
317 }
318 scsi_req_unref(req);
319 s->req = NULL;
320}
321
322static void usb_msd_request_cancelled(SCSIRequest *req)
323{
324 MSDState *s = DO_UPCAST(MSDState, dev.qdev, req->bus->qbus.parent);
325
326 if (req == s->req) {
327 scsi_req_unref(s->req);
328 s->req = NULL;
329 s->scsi_len = 0;
330 }
331}
332
333static void usb_msd_handle_reset(USBDevice *dev)
334{
335 MSDState *s = (MSDState *)dev;
336
337 DPRINTF("Reset\n");
338 if (s->req) {
339 scsi_req_cancel(s->req);
340 }
341 assert(s->req == NULL);
342
343 if (s->packet) {
344 s->packet->status = USB_RET_STALL;
345 usb_msd_packet_complete(s);
346 }
347
348 s->mode = USB_MSDM_CBW;
349}
350
351static void usb_msd_handle_control(USBDevice *dev, USBPacket *p,
352 int request, int value, int index, int length, uint8_t *data)
353{
354 MSDState *s = (MSDState *)dev;
355 SCSIDevice *scsi_dev;
356 int ret, maxlun;
357
358 ret = usb_desc_handle_control(dev, p, request, value, index, length, data);
359 if (ret >= 0) {
360 return;
361 }
362
363 switch (request) {
364 case EndpointOutRequest | USB_REQ_CLEAR_FEATURE:
365 break;
366
367 case ClassInterfaceOutRequest | MassStorageReset:
368
369 s->mode = USB_MSDM_CBW;
370 break;
371 case ClassInterfaceRequest | GetMaxLun:
372 maxlun = 0;
373 for (;;) {
374 scsi_dev = scsi_device_find(&s->bus, 0, 0, maxlun+1);
375 if (scsi_dev == NULL) {
376 break;
377 }
378 if (scsi_dev->lun != maxlun+1) {
379 break;
380 }
381 maxlun++;
382 }
383 DPRINTF("MaxLun %d\n", maxlun);
384 data[0] = maxlun;
385 p->actual_length = 1;
386 break;
387 default:
388 p->status = USB_RET_STALL;
389 break;
390 }
391}
392
393static void usb_msd_cancel_io(USBDevice *dev, USBPacket *p)
394{
395 MSDState *s = USB_STORAGE_DEV(dev);
396
397 assert(s->packet == p);
398 s->packet = NULL;
399
400 if (s->req) {
401 scsi_req_cancel(s->req);
402 }
403}
404
405static void usb_msd_handle_data(USBDevice *dev, USBPacket *p)
406{
407 MSDState *s = (MSDState *)dev;
408 uint32_t tag;
409 struct usb_msd_cbw cbw;
410 uint8_t devep = p->ep->nr;
411 SCSIDevice *scsi_dev;
412 uint32_t len;
413
414 switch (p->pid) {
415 case USB_TOKEN_OUT:
416 if (devep != 2)
417 goto fail;
418
419 switch (s->mode) {
420 case USB_MSDM_CBW:
421 if (p->iov.size != 31) {
422 error_report("usb-msd: Bad CBW size");
423 goto fail;
424 }
425 usb_packet_copy(p, &cbw, 31);
426 if (le32_to_cpu(cbw.sig) != 0x43425355) {
427 error_report("usb-msd: Bad signature %08x",
428 le32_to_cpu(cbw.sig));
429 goto fail;
430 }
431 DPRINTF("Command on LUN %d\n", cbw.lun);
432 scsi_dev = scsi_device_find(&s->bus, 0, 0, cbw.lun);
433 if (scsi_dev == NULL) {
434 error_report("usb-msd: Bad LUN %d", cbw.lun);
435 goto fail;
436 }
437 tag = le32_to_cpu(cbw.tag);
438 s->data_len = le32_to_cpu(cbw.data_len);
439 if (s->data_len == 0) {
440 s->mode = USB_MSDM_CSW;
441 } else if (cbw.flags & 0x80) {
442 s->mode = USB_MSDM_DATAIN;
443 } else {
444 s->mode = USB_MSDM_DATAOUT;
445 }
446 DPRINTF("Command tag 0x%x flags %08x len %d data %d\n",
447 tag, cbw.flags, cbw.cmd_len, s->data_len);
448 assert(le32_to_cpu(s->csw.residue) == 0);
449 s->scsi_len = 0;
450 s->req = scsi_req_new(scsi_dev, tag, cbw.lun, cbw.cmd, NULL);
451#ifdef DEBUG_MSD
452 scsi_req_print(s->req);
453#endif
454 len = scsi_req_enqueue(s->req);
455 if (len) {
456 scsi_req_continue(s->req);
457 }
458 break;
459
460 case USB_MSDM_DATAOUT:
461 DPRINTF("Data out %zd/%d\n", p->iov.size, s->data_len);
462 if (p->iov.size > s->data_len) {
463 goto fail;
464 }
465
466 if (s->scsi_len) {
467 usb_msd_copy_data(s, p);
468 }
469 if (le32_to_cpu(s->csw.residue)) {
470 int len = p->iov.size - p->actual_length;
471 if (len) {
472 usb_packet_skip(p, len);
473 s->data_len -= len;
474 if (s->data_len == 0) {
475 s->mode = USB_MSDM_CSW;
476 }
477 }
478 }
479 if (p->actual_length < p->iov.size) {
480 DPRINTF("Deferring packet %p [wait data-out]\n", p);
481 s->packet = p;
482 p->status = USB_RET_ASYNC;
483 }
484 break;
485
486 default:
487 DPRINTF("Unexpected write (len %zd)\n", p->iov.size);
488 goto fail;
489 }
490 break;
491
492 case USB_TOKEN_IN:
493 if (devep != 1)
494 goto fail;
495
496 switch (s->mode) {
497 case USB_MSDM_DATAOUT:
498 if (s->data_len != 0 || p->iov.size < 13) {
499 goto fail;
500 }
501
502 s->packet = p;
503 p->status = USB_RET_ASYNC;
504 break;
505
506 case USB_MSDM_CSW:
507 if (p->iov.size < 13) {
508 goto fail;
509 }
510
511 if (s->req) {
512
513 DPRINTF("Deferring packet %p [wait status]\n", p);
514 s->packet = p;
515 p->status = USB_RET_ASYNC;
516 } else {
517 usb_msd_send_status(s, p);
518 s->mode = USB_MSDM_CBW;
519 }
520 break;
521
522 case USB_MSDM_DATAIN:
523 DPRINTF("Data in %zd/%d, scsi_len %d\n",
524 p->iov.size, s->data_len, s->scsi_len);
525 if (s->scsi_len) {
526 usb_msd_copy_data(s, p);
527 }
528 if (le32_to_cpu(s->csw.residue)) {
529 int len = p->iov.size - p->actual_length;
530 if (len) {
531 usb_packet_skip(p, len);
532 s->data_len -= len;
533 if (s->data_len == 0) {
534 s->mode = USB_MSDM_CSW;
535 }
536 }
537 }
538 if (p->actual_length < p->iov.size) {
539 DPRINTF("Deferring packet %p [wait data-in]\n", p);
540 s->packet = p;
541 p->status = USB_RET_ASYNC;
542 }
543 break;
544
545 default:
546 DPRINTF("Unexpected read (len %zd)\n", p->iov.size);
547 goto fail;
548 }
549 break;
550
551 default:
552 DPRINTF("Bad token\n");
553 fail:
554 p->status = USB_RET_STALL;
555 break;
556 }
557}
558
559static void *usb_msd_load_request(QEMUFile *f, SCSIRequest *req)
560{
561 MSDState *s = DO_UPCAST(MSDState, dev.qdev, req->bus->qbus.parent);
562
563
564 assert(s->req == NULL);
565 scsi_req_ref(req);
566 s->req = req;
567 return NULL;
568}
569
570static const struct SCSIBusInfo usb_msd_scsi_info_storage = {
571 .tcq = false,
572 .max_target = 0,
573 .max_lun = 0,
574
575 .transfer_data = usb_msd_transfer_data,
576 .complete = usb_msd_command_complete,
577 .cancel = usb_msd_request_cancelled,
578 .load_request = usb_msd_load_request,
579};
580
581static const struct SCSIBusInfo usb_msd_scsi_info_bot = {
582 .tcq = false,
583 .max_target = 0,
584 .max_lun = 15,
585
586 .transfer_data = usb_msd_transfer_data,
587 .complete = usb_msd_command_complete,
588 .cancel = usb_msd_request_cancelled,
589 .load_request = usb_msd_load_request,
590};
591
592static void usb_msd_unrealize_storage(USBDevice *dev, Error **errp)
593{
594 MSDState *s = USB_STORAGE_DEV(dev);
595
596 object_unref(OBJECT(&s->bus));
597}
598
599static void usb_msd_realize_storage(USBDevice *dev, Error **errp)
600{
601 MSDState *s = USB_STORAGE_DEV(dev);
602 BlockBackend *blk = s->conf.blk;
603 SCSIDevice *scsi_dev;
604 Error *err = NULL;
605
606 if (!blk) {
607 error_setg(errp, "drive property not set");
608 return;
609 }
610
611 blkconf_serial(&s->conf, &dev->serial);
612 blkconf_blocksizes(&s->conf);
613 blkconf_apply_backend_options(&s->conf, blk_is_read_only(blk), true, &err);
614 if (err) {
615 error_propagate(errp, err);
616 return;
617 }
618
619
620
621
622
623
624
625
626
627
628
629 blk_ref(blk);
630 blk_detach_dev(blk, &s->dev.qdev);
631 s->conf.blk = NULL;
632
633 usb_desc_create_serial(dev);
634 usb_desc_init(dev);
635 scsi_bus_new(&s->bus, sizeof(s->bus), DEVICE(dev),
636 &usb_msd_scsi_info_storage, NULL);
637 scsi_dev = scsi_bus_legacy_add_drive(&s->bus, blk, 0, !!s->removable,
638 s->conf.bootindex, dev->serial,
639 &err);
640 blk_unref(blk);
641 if (!scsi_dev) {
642 error_propagate(errp, err);
643 return;
644 }
645 usb_msd_handle_reset(dev);
646 s->scsi_dev = scsi_dev;
647}
648
649static void usb_msd_unrealize_bot(USBDevice *dev, Error **errp)
650{
651 MSDState *s = USB_STORAGE_DEV(dev);
652
653 object_unref(OBJECT(&s->bus));
654}
655
656static void usb_msd_realize_bot(USBDevice *dev, Error **errp)
657{
658 MSDState *s = USB_STORAGE_DEV(dev);
659 DeviceState *d = DEVICE(dev);
660
661 usb_desc_create_serial(dev);
662 usb_desc_init(dev);
663 if (d->hotplugged) {
664 s->dev.auto_attach = 0;
665 }
666
667 scsi_bus_new(&s->bus, sizeof(s->bus), DEVICE(dev),
668 &usb_msd_scsi_info_bot, NULL);
669 usb_msd_handle_reset(dev);
670}
671
672static USBDevice *usb_msd_init(USBBus *bus, const char *filename)
673{
674 static int nr=0;
675 Error *err = NULL;
676 char id[8];
677 QemuOpts *opts;
678 DriveInfo *dinfo;
679 USBDevice *dev;
680 const char *p1;
681 char fmt[32];
682
683
684 do {
685 snprintf(id, sizeof(id), "usb%d", nr++);
686 opts = qemu_opts_create(qemu_find_opts("drive"), id, 1, NULL);
687 } while (!opts);
688
689 p1 = strchr(filename, ':');
690 if (p1++) {
691 const char *p2;
692
693 if (strstart(filename, "format=", &p2)) {
694 int len = MIN(p1 - p2, sizeof(fmt));
695 pstrcpy(fmt, len, p2);
696 qemu_opt_set(opts, "format", fmt, &error_abort);
697 } else if (*filename != ':') {
698 error_report("unrecognized USB mass-storage option %s", filename);
699 return NULL;
700 }
701 filename = p1;
702 }
703 if (!*filename) {
704 error_report("block device specification needed");
705 return NULL;
706 }
707 qemu_opt_set(opts, "file", filename, &error_abort);
708 qemu_opt_set(opts, "if", "none", &error_abort);
709
710
711 dinfo = drive_new(opts, 0);
712 if (!dinfo) {
713 qemu_opts_del(opts);
714 return NULL;
715 }
716
717
718 dev = usb_create(bus, "usb-storage");
719 qdev_prop_set_drive(&dev->qdev, "drive", blk_by_legacy_dinfo(dinfo),
720 &err);
721 if (err) {
722 error_report_err(err);
723 object_unparent(OBJECT(dev));
724 return NULL;
725 }
726 return dev;
727}
728
729static const VMStateDescription vmstate_usb_msd = {
730 .name = "usb-storage",
731 .version_id = 1,
732 .minimum_version_id = 1,
733 .fields = (VMStateField[]) {
734 VMSTATE_USB_DEVICE(dev, MSDState),
735 VMSTATE_UINT32(mode, MSDState),
736 VMSTATE_UINT32(scsi_len, MSDState),
737 VMSTATE_UINT32(scsi_off, MSDState),
738 VMSTATE_UINT32(data_len, MSDState),
739 VMSTATE_UINT32(csw.sig, MSDState),
740 VMSTATE_UINT32(csw.tag, MSDState),
741 VMSTATE_UINT32(csw.residue, MSDState),
742 VMSTATE_UINT8(csw.status, MSDState),
743 VMSTATE_END_OF_LIST()
744 }
745};
746
747static Property msd_properties[] = {
748 DEFINE_BLOCK_PROPERTIES(MSDState, conf),
749 DEFINE_PROP_BIT("removable", MSDState, removable, 0, false),
750 DEFINE_PROP_END_OF_LIST(),
751};
752
753static void usb_msd_class_initfn_common(ObjectClass *klass, void *data)
754{
755 DeviceClass *dc = DEVICE_CLASS(klass);
756 USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
757
758 uc->product_desc = "QEMU USB MSD";
759 uc->usb_desc = &desc;
760 uc->cancel_packet = usb_msd_cancel_io;
761 uc->handle_attach = usb_desc_attach;
762 uc->handle_reset = usb_msd_handle_reset;
763 uc->handle_control = usb_msd_handle_control;
764 uc->handle_data = usb_msd_handle_data;
765 set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
766 dc->fw_name = "storage";
767 dc->vmsd = &vmstate_usb_msd;
768}
769
770static void usb_msd_class_initfn_storage(ObjectClass *klass, void *data)
771{
772 DeviceClass *dc = DEVICE_CLASS(klass);
773 USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
774
775 uc->realize = usb_msd_realize_storage;
776 uc->unrealize = usb_msd_unrealize_storage;
777 dc->props = msd_properties;
778}
779
780static void usb_msd_get_bootindex(Object *obj, Visitor *v, const char *name,
781 void *opaque, Error **errp)
782{
783 USBDevice *dev = USB_DEVICE(obj);
784 MSDState *s = USB_STORAGE_DEV(dev);
785
786 visit_type_int32(v, name, &s->conf.bootindex, errp);
787}
788
789static void usb_msd_set_bootindex(Object *obj, Visitor *v, const char *name,
790 void *opaque, Error **errp)
791{
792 USBDevice *dev = USB_DEVICE(obj);
793 MSDState *s = USB_STORAGE_DEV(dev);
794 int32_t boot_index;
795 Error *local_err = NULL;
796
797 visit_type_int32(v, name, &boot_index, &local_err);
798 if (local_err) {
799 goto out;
800 }
801
802 check_boot_index(boot_index, &local_err);
803 if (local_err) {
804 goto out;
805 }
806
807 s->conf.bootindex = boot_index;
808
809 if (s->scsi_dev) {
810 object_property_set_int(OBJECT(s->scsi_dev), boot_index, "bootindex",
811 &error_abort);
812 }
813
814out:
815 error_propagate(errp, local_err);
816}
817
818static const TypeInfo usb_storage_dev_type_info = {
819 .name = TYPE_USB_STORAGE,
820 .parent = TYPE_USB_DEVICE,
821 .instance_size = sizeof(MSDState),
822 .abstract = true,
823 .class_init = usb_msd_class_initfn_common,
824};
825
826static void usb_msd_instance_init(Object *obj)
827{
828 object_property_add(obj, "bootindex", "int32",
829 usb_msd_get_bootindex,
830 usb_msd_set_bootindex, NULL, NULL, NULL);
831 object_property_set_int(obj, -1, "bootindex", NULL);
832}
833
834static void usb_msd_class_initfn_bot(ObjectClass *klass, void *data)
835{
836 USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
837
838 uc->realize = usb_msd_realize_bot;
839 uc->unrealize = usb_msd_unrealize_bot;
840 uc->attached_settable = true;
841}
842
843static const TypeInfo msd_info = {
844 .name = "usb-storage",
845 .parent = TYPE_USB_STORAGE,
846 .class_init = usb_msd_class_initfn_storage,
847 .instance_init = usb_msd_instance_init,
848};
849
850static const TypeInfo bot_info = {
851 .name = "usb-bot",
852 .parent = TYPE_USB_STORAGE,
853 .class_init = usb_msd_class_initfn_bot,
854};
855
856static void usb_msd_register_types(void)
857{
858 type_register_static(&usb_storage_dev_type_info);
859 type_register_static(&msd_info);
860 type_register_static(&bot_info);
861 usb_legacy_register("usb-storage", "disk", usb_msd_init);
862}
863
864type_init(usb_msd_register_types)
865
