Loading...
1// SPDX-License-Identifier: GPL-2.0+
2/*
3 * Driver for Lexar "Jumpshot" Compact Flash reader
4 *
5 * jumpshot driver v0.1:
6 *
7 * First release
8 *
9 * Current development and maintenance by:
10 * (c) 2000 Jimmie Mayfield (mayfield+usb@sackheads.org)
11 *
12 * Many thanks to Robert Baruch for the SanDisk SmartMedia reader driver
13 * which I used as a template for this driver.
14 *
15 * Some bugfixes and scatter-gather code by Gregory P. Smith
16 * (greg-usb@electricrain.com)
17 *
18 * Fix for media change by Joerg Schneider (js@joergschneider.com)
19 *
20 * Developed with the assistance of:
21 *
22 * (C) 2002 Alan Stern <stern@rowland.org>
23 */
24
25 /*
26 * This driver attempts to support the Lexar Jumpshot USB CompactFlash
27 * reader. Like many other USB CompactFlash readers, the Jumpshot contains
28 * a USB-to-ATA chip.
29 *
30 * This driver supports reading and writing. If you're truly paranoid,
31 * however, you can force the driver into a write-protected state by setting
32 * the WP enable bits in jumpshot_handle_mode_sense. See the comments
33 * in that routine.
34 */
35
36#include <linux/errno.h>
37#include <linux/module.h>
38#include <linux/slab.h>
39
40#include <scsi/scsi.h>
41#include <scsi/scsi_cmnd.h>
42
43#include "usb.h"
44#include "transport.h"
45#include "protocol.h"
46#include "debug.h"
47#include "scsiglue.h"
48
49#define DRV_NAME "ums-jumpshot"
50
51MODULE_DESCRIPTION("Driver for Lexar \"Jumpshot\" Compact Flash reader");
52MODULE_AUTHOR("Jimmie Mayfield <mayfield+usb@sackheads.org>");
53MODULE_LICENSE("GPL");
54MODULE_IMPORT_NS("USB_STORAGE");
55
56/*
57 * The table of devices
58 */
59#define UNUSUAL_DEV(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax, \
60 vendorName, productName, useProtocol, useTransport, \
61 initFunction, flags) \
62{ USB_DEVICE_VER(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax), \
63 .driver_info = (flags) }
64
65static const struct usb_device_id jumpshot_usb_ids[] = {
66# include "unusual_jumpshot.h"
67 { } /* Terminating entry */
68};
69MODULE_DEVICE_TABLE(usb, jumpshot_usb_ids);
70
71#undef UNUSUAL_DEV
72
73/*
74 * The flags table
75 */
76#define UNUSUAL_DEV(idVendor, idProduct, bcdDeviceMin, bcdDeviceMax, \
77 vendor_name, product_name, use_protocol, use_transport, \
78 init_function, Flags) \
79{ \
80 .vendorName = vendor_name, \
81 .productName = product_name, \
82 .useProtocol = use_protocol, \
83 .useTransport = use_transport, \
84 .initFunction = init_function, \
85}
86
87static const struct us_unusual_dev jumpshot_unusual_dev_list[] = {
88# include "unusual_jumpshot.h"
89 { } /* Terminating entry */
90};
91
92#undef UNUSUAL_DEV
93
94
95struct jumpshot_info {
96 unsigned long sectors; /* total sector count */
97 unsigned long ssize; /* sector size in bytes */
98
99 /* the following aren't used yet */
100 unsigned char sense_key;
101 unsigned long sense_asc; /* additional sense code */
102 unsigned long sense_ascq; /* additional sense code qualifier */
103};
104
105static inline int jumpshot_bulk_read(struct us_data *us,
106 unsigned char *data,
107 unsigned int len)
108{
109 if (len == 0)
110 return USB_STOR_XFER_GOOD;
111
112 usb_stor_dbg(us, "len = %d\n", len);
113 return usb_stor_bulk_transfer_buf(us, us->recv_bulk_pipe,
114 data, len, NULL);
115}
116
117
118static inline int jumpshot_bulk_write(struct us_data *us,
119 unsigned char *data,
120 unsigned int len)
121{
122 if (len == 0)
123 return USB_STOR_XFER_GOOD;
124
125 usb_stor_dbg(us, "len = %d\n", len);
126 return usb_stor_bulk_transfer_buf(us, us->send_bulk_pipe,
127 data, len, NULL);
128}
129
130
131static int jumpshot_get_status(struct us_data *us)
132{
133 int rc;
134
135 if (!us)
136 return USB_STOR_TRANSPORT_ERROR;
137
138 // send the setup
139 rc = usb_stor_ctrl_transfer(us, us->recv_ctrl_pipe,
140 0, 0xA0, 0, 7, us->iobuf, 1);
141
142 if (rc != USB_STOR_XFER_GOOD)
143 return USB_STOR_TRANSPORT_ERROR;
144
145 if (us->iobuf[0] != 0x50) {
146 usb_stor_dbg(us, "0x%2x\n", us->iobuf[0]);
147 return USB_STOR_TRANSPORT_ERROR;
148 }
149
150 return USB_STOR_TRANSPORT_GOOD;
151}
152
153static int jumpshot_read_data(struct us_data *us,
154 struct jumpshot_info *info,
155 u32 sector,
156 u32 sectors)
157{
158 unsigned char *command = us->iobuf;
159 unsigned char *buffer;
160 unsigned char thistime;
161 unsigned int totallen, alloclen;
162 int len, result;
163 unsigned int sg_offset = 0;
164 struct scatterlist *sg = NULL;
165
166 // we're working in LBA mode. according to the ATA spec,
167 // we can support up to 28-bit addressing. I don't know if Jumpshot
168 // supports beyond 24-bit addressing. It's kind of hard to test
169 // since it requires > 8GB CF card.
170
171 if (sector > 0x0FFFFFFF)
172 return USB_STOR_TRANSPORT_ERROR;
173
174 totallen = sectors * info->ssize;
175
176 // Since we don't read more than 64 KB at a time, we have to create
177 // a bounce buffer and move the data a piece at a time between the
178 // bounce buffer and the actual transfer buffer.
179
180 alloclen = min(totallen, 65536u);
181 buffer = kmalloc(alloclen, GFP_NOIO);
182 if (buffer == NULL)
183 return USB_STOR_TRANSPORT_ERROR;
184
185 do {
186 // loop, never allocate or transfer more than 64k at once
187 // (min(128k, 255*info->ssize) is the real limit)
188 len = min(totallen, alloclen);
189 thistime = (len / info->ssize) & 0xff;
190
191 command[0] = 0;
192 command[1] = thistime;
193 command[2] = sector & 0xFF;
194 command[3] = (sector >> 8) & 0xFF;
195 command[4] = (sector >> 16) & 0xFF;
196
197 command[5] = 0xE0 | ((sector >> 24) & 0x0F);
198 command[6] = 0x20;
199
200 // send the setup + command
201 result = usb_stor_ctrl_transfer(us, us->send_ctrl_pipe,
202 0, 0x20, 0, 1, command, 7);
203 if (result != USB_STOR_XFER_GOOD)
204 goto leave;
205
206 // read the result
207 result = jumpshot_bulk_read(us, buffer, len);
208 if (result != USB_STOR_XFER_GOOD)
209 goto leave;
210
211 usb_stor_dbg(us, "%d bytes\n", len);
212
213 // Store the data in the transfer buffer
214 usb_stor_access_xfer_buf(buffer, len, us->srb,
215 &sg, &sg_offset, TO_XFER_BUF);
216
217 sector += thistime;
218 totallen -= len;
219 } while (totallen > 0);
220
221 kfree(buffer);
222 return USB_STOR_TRANSPORT_GOOD;
223
224 leave:
225 kfree(buffer);
226 return USB_STOR_TRANSPORT_ERROR;
227}
228
229
230static int jumpshot_write_data(struct us_data *us,
231 struct jumpshot_info *info,
232 u32 sector,
233 u32 sectors)
234{
235 unsigned char *command = us->iobuf;
236 unsigned char *buffer;
237 unsigned char thistime;
238 unsigned int totallen, alloclen;
239 int len, result, waitcount;
240 unsigned int sg_offset = 0;
241 struct scatterlist *sg = NULL;
242
243 // we're working in LBA mode. according to the ATA spec,
244 // we can support up to 28-bit addressing. I don't know if Jumpshot
245 // supports beyond 24-bit addressing. It's kind of hard to test
246 // since it requires > 8GB CF card.
247 //
248 if (sector > 0x0FFFFFFF)
249 return USB_STOR_TRANSPORT_ERROR;
250
251 totallen = sectors * info->ssize;
252
253 // Since we don't write more than 64 KB at a time, we have to create
254 // a bounce buffer and move the data a piece at a time between the
255 // bounce buffer and the actual transfer buffer.
256
257 alloclen = min(totallen, 65536u);
258 buffer = kmalloc(alloclen, GFP_NOIO);
259 if (buffer == NULL)
260 return USB_STOR_TRANSPORT_ERROR;
261
262 do {
263 // loop, never allocate or transfer more than 64k at once
264 // (min(128k, 255*info->ssize) is the real limit)
265
266 len = min(totallen, alloclen);
267 thistime = (len / info->ssize) & 0xff;
268
269 // Get the data from the transfer buffer
270 usb_stor_access_xfer_buf(buffer, len, us->srb,
271 &sg, &sg_offset, FROM_XFER_BUF);
272
273 command[0] = 0;
274 command[1] = thistime;
275 command[2] = sector & 0xFF;
276 command[3] = (sector >> 8) & 0xFF;
277 command[4] = (sector >> 16) & 0xFF;
278
279 command[5] = 0xE0 | ((sector >> 24) & 0x0F);
280 command[6] = 0x30;
281
282 // send the setup + command
283 result = usb_stor_ctrl_transfer(us, us->send_ctrl_pipe,
284 0, 0x20, 0, 1, command, 7);
285 if (result != USB_STOR_XFER_GOOD)
286 goto leave;
287
288 // send the data
289 result = jumpshot_bulk_write(us, buffer, len);
290 if (result != USB_STOR_XFER_GOOD)
291 goto leave;
292
293 // read the result. apparently the bulk write can complete
294 // before the jumpshot drive is finished writing. so we loop
295 // here until we get a good return code
296 waitcount = 0;
297 do {
298 result = jumpshot_get_status(us);
299 if (result != USB_STOR_TRANSPORT_GOOD) {
300 // I have not experimented to find the smallest value.
301 //
302 msleep(50);
303 }
304 } while ((result != USB_STOR_TRANSPORT_GOOD) && (waitcount < 10));
305
306 if (result != USB_STOR_TRANSPORT_GOOD)
307 usb_stor_dbg(us, "Gah! Waitcount = 10. Bad write!?\n");
308
309 sector += thistime;
310 totallen -= len;
311 } while (totallen > 0);
312
313 kfree(buffer);
314 return result;
315
316 leave:
317 kfree(buffer);
318 return USB_STOR_TRANSPORT_ERROR;
319}
320
321static int jumpshot_id_device(struct us_data *us,
322 struct jumpshot_info *info)
323{
324 unsigned char *command = us->iobuf;
325 unsigned char *reply;
326 int rc;
327
328 if (!info)
329 return USB_STOR_TRANSPORT_ERROR;
330
331 command[0] = 0xE0;
332 command[1] = 0xEC;
333 reply = kmalloc(512, GFP_NOIO);
334 if (!reply)
335 return USB_STOR_TRANSPORT_ERROR;
336
337 // send the setup
338 rc = usb_stor_ctrl_transfer(us, us->send_ctrl_pipe,
339 0, 0x20, 0, 6, command, 2);
340
341 if (rc != USB_STOR_XFER_GOOD) {
342 usb_stor_dbg(us, "Gah! send_control for read_capacity failed\n");
343 rc = USB_STOR_TRANSPORT_ERROR;
344 goto leave;
345 }
346
347 // read the reply
348 rc = jumpshot_bulk_read(us, reply, 512);
349 if (rc != USB_STOR_XFER_GOOD) {
350 rc = USB_STOR_TRANSPORT_ERROR;
351 goto leave;
352 }
353
354 info->sectors = ((u32)(reply[117]) << 24) |
355 ((u32)(reply[116]) << 16) |
356 ((u32)(reply[115]) << 8) |
357 ((u32)(reply[114]) );
358
359 rc = USB_STOR_TRANSPORT_GOOD;
360
361 leave:
362 kfree(reply);
363 return rc;
364}
365
366static int jumpshot_handle_mode_sense(struct us_data *us,
367 struct scsi_cmnd * srb,
368 int sense_6)
369{
370 static unsigned char rw_err_page[12] = {
371 0x1, 0xA, 0x21, 1, 0, 0, 0, 0, 1, 0, 0, 0
372 };
373 static unsigned char cache_page[12] = {
374 0x8, 0xA, 0x1, 0, 0, 0, 0, 0, 0, 0, 0, 0
375 };
376 static unsigned char rbac_page[12] = {
377 0x1B, 0xA, 0, 0x81, 0, 0, 0, 0, 0, 0, 0, 0
378 };
379 static unsigned char timer_page[8] = {
380 0x1C, 0x6, 0, 0, 0, 0
381 };
382 unsigned char pc, page_code;
383 unsigned int i = 0;
384 struct jumpshot_info *info = (struct jumpshot_info *) (us->extra);
385 unsigned char *ptr = us->iobuf;
386
387 pc = srb->cmnd[2] >> 6;
388 page_code = srb->cmnd[2] & 0x3F;
389
390 switch (pc) {
391 case 0x0:
392 usb_stor_dbg(us, "Current values\n");
393 break;
394 case 0x1:
395 usb_stor_dbg(us, "Changeable values\n");
396 break;
397 case 0x2:
398 usb_stor_dbg(us, "Default values\n");
399 break;
400 case 0x3:
401 usb_stor_dbg(us, "Saves values\n");
402 break;
403 }
404
405 memset(ptr, 0, 8);
406 if (sense_6) {
407 ptr[2] = 0x00; // WP enable: 0x80
408 i = 4;
409 } else {
410 ptr[3] = 0x00; // WP enable: 0x80
411 i = 8;
412 }
413
414 switch (page_code) {
415 case 0x0:
416 // vendor-specific mode
417 info->sense_key = 0x05;
418 info->sense_asc = 0x24;
419 info->sense_ascq = 0x00;
420 return USB_STOR_TRANSPORT_FAILED;
421
422 case 0x1:
423 memcpy(ptr + i, rw_err_page, sizeof(rw_err_page));
424 i += sizeof(rw_err_page);
425 break;
426
427 case 0x8:
428 memcpy(ptr + i, cache_page, sizeof(cache_page));
429 i += sizeof(cache_page);
430 break;
431
432 case 0x1B:
433 memcpy(ptr + i, rbac_page, sizeof(rbac_page));
434 i += sizeof(rbac_page);
435 break;
436
437 case 0x1C:
438 memcpy(ptr + i, timer_page, sizeof(timer_page));
439 i += sizeof(timer_page);
440 break;
441
442 case 0x3F:
443 memcpy(ptr + i, timer_page, sizeof(timer_page));
444 i += sizeof(timer_page);
445 memcpy(ptr + i, rbac_page, sizeof(rbac_page));
446 i += sizeof(rbac_page);
447 memcpy(ptr + i, cache_page, sizeof(cache_page));
448 i += sizeof(cache_page);
449 memcpy(ptr + i, rw_err_page, sizeof(rw_err_page));
450 i += sizeof(rw_err_page);
451 break;
452 }
453
454 if (sense_6)
455 ptr[0] = i - 1;
456 else
457 ((__be16 *) ptr)[0] = cpu_to_be16(i - 2);
458 usb_stor_set_xfer_buf(ptr, i, srb);
459
460 return USB_STOR_TRANSPORT_GOOD;
461}
462
463
464static void jumpshot_info_destructor(void *extra)
465{
466 // this routine is a placeholder...
467 // currently, we don't allocate any extra blocks so we're okay
468}
469
470
471
472// Transport for the Lexar 'Jumpshot'
473//
474static int jumpshot_transport(struct scsi_cmnd *srb, struct us_data *us)
475{
476 struct jumpshot_info *info;
477 int rc;
478 unsigned long block, blocks;
479 unsigned char *ptr = us->iobuf;
480 static unsigned char inquiry_response[8] = {
481 0x00, 0x80, 0x00, 0x01, 0x1F, 0x00, 0x00, 0x00
482 };
483
484 if (!us->extra) {
485 us->extra = kzalloc(sizeof(struct jumpshot_info), GFP_NOIO);
486 if (!us->extra)
487 return USB_STOR_TRANSPORT_ERROR;
488
489 us->extra_destructor = jumpshot_info_destructor;
490 }
491
492 info = (struct jumpshot_info *) (us->extra);
493
494 if (srb->cmnd[0] == INQUIRY) {
495 usb_stor_dbg(us, "INQUIRY - Returning bogus response\n");
496 memcpy(ptr, inquiry_response, sizeof(inquiry_response));
497 fill_inquiry_response(us, ptr, 36);
498 return USB_STOR_TRANSPORT_GOOD;
499 }
500
501 if (srb->cmnd[0] == READ_CAPACITY) {
502 info->ssize = 0x200; // hard coded 512 byte sectors as per ATA spec
503
504 rc = jumpshot_get_status(us);
505 if (rc != USB_STOR_TRANSPORT_GOOD)
506 return rc;
507
508 rc = jumpshot_id_device(us, info);
509 if (rc != USB_STOR_TRANSPORT_GOOD)
510 return rc;
511
512 usb_stor_dbg(us, "READ_CAPACITY: %ld sectors, %ld bytes per sector\n",
513 info->sectors, info->ssize);
514
515 // build the reply
516 //
517 ((__be32 *) ptr)[0] = cpu_to_be32(info->sectors - 1);
518 ((__be32 *) ptr)[1] = cpu_to_be32(info->ssize);
519 usb_stor_set_xfer_buf(ptr, 8, srb);
520
521 return USB_STOR_TRANSPORT_GOOD;
522 }
523
524 if (srb->cmnd[0] == MODE_SELECT_10) {
525 usb_stor_dbg(us, "Gah! MODE_SELECT_10\n");
526 return USB_STOR_TRANSPORT_ERROR;
527 }
528
529 if (srb->cmnd[0] == READ_10) {
530 block = ((u32)(srb->cmnd[2]) << 24) | ((u32)(srb->cmnd[3]) << 16) |
531 ((u32)(srb->cmnd[4]) << 8) | ((u32)(srb->cmnd[5]));
532
533 blocks = ((u32)(srb->cmnd[7]) << 8) | ((u32)(srb->cmnd[8]));
534
535 usb_stor_dbg(us, "READ_10: read block 0x%04lx count %ld\n",
536 block, blocks);
537 return jumpshot_read_data(us, info, block, blocks);
538 }
539
540 if (srb->cmnd[0] == READ_12) {
541 // I don't think we'll ever see a READ_12 but support it anyway...
542 //
543 block = ((u32)(srb->cmnd[2]) << 24) | ((u32)(srb->cmnd[3]) << 16) |
544 ((u32)(srb->cmnd[4]) << 8) | ((u32)(srb->cmnd[5]));
545
546 blocks = ((u32)(srb->cmnd[6]) << 24) | ((u32)(srb->cmnd[7]) << 16) |
547 ((u32)(srb->cmnd[8]) << 8) | ((u32)(srb->cmnd[9]));
548
549 usb_stor_dbg(us, "READ_12: read block 0x%04lx count %ld\n",
550 block, blocks);
551 return jumpshot_read_data(us, info, block, blocks);
552 }
553
554 if (srb->cmnd[0] == WRITE_10) {
555 block = ((u32)(srb->cmnd[2]) << 24) | ((u32)(srb->cmnd[3]) << 16) |
556 ((u32)(srb->cmnd[4]) << 8) | ((u32)(srb->cmnd[5]));
557
558 blocks = ((u32)(srb->cmnd[7]) << 8) | ((u32)(srb->cmnd[8]));
559
560 usb_stor_dbg(us, "WRITE_10: write block 0x%04lx count %ld\n",
561 block, blocks);
562 return jumpshot_write_data(us, info, block, blocks);
563 }
564
565 if (srb->cmnd[0] == WRITE_12) {
566 // I don't think we'll ever see a WRITE_12 but support it anyway...
567 //
568 block = ((u32)(srb->cmnd[2]) << 24) | ((u32)(srb->cmnd[3]) << 16) |
569 ((u32)(srb->cmnd[4]) << 8) | ((u32)(srb->cmnd[5]));
570
571 blocks = ((u32)(srb->cmnd[6]) << 24) | ((u32)(srb->cmnd[7]) << 16) |
572 ((u32)(srb->cmnd[8]) << 8) | ((u32)(srb->cmnd[9]));
573
574 usb_stor_dbg(us, "WRITE_12: write block 0x%04lx count %ld\n",
575 block, blocks);
576 return jumpshot_write_data(us, info, block, blocks);
577 }
578
579
580 if (srb->cmnd[0] == TEST_UNIT_READY) {
581 usb_stor_dbg(us, "TEST_UNIT_READY\n");
582 return jumpshot_get_status(us);
583 }
584
585 if (srb->cmnd[0] == REQUEST_SENSE) {
586 usb_stor_dbg(us, "REQUEST_SENSE\n");
587
588 memset(ptr, 0, 18);
589 ptr[0] = 0xF0;
590 ptr[2] = info->sense_key;
591 ptr[7] = 11;
592 ptr[12] = info->sense_asc;
593 ptr[13] = info->sense_ascq;
594 usb_stor_set_xfer_buf(ptr, 18, srb);
595
596 return USB_STOR_TRANSPORT_GOOD;
597 }
598
599 if (srb->cmnd[0] == MODE_SENSE) {
600 usb_stor_dbg(us, "MODE_SENSE_6 detected\n");
601 return jumpshot_handle_mode_sense(us, srb, 1);
602 }
603
604 if (srb->cmnd[0] == MODE_SENSE_10) {
605 usb_stor_dbg(us, "MODE_SENSE_10 detected\n");
606 return jumpshot_handle_mode_sense(us, srb, 0);
607 }
608
609 if (srb->cmnd[0] == ALLOW_MEDIUM_REMOVAL) {
610 /*
611 * sure. whatever. not like we can stop the user from popping
612 * the media out of the device (no locking doors, etc)
613 */
614 return USB_STOR_TRANSPORT_GOOD;
615 }
616
617 if (srb->cmnd[0] == START_STOP) {
618 /*
619 * this is used by sd.c'check_scsidisk_media_change to detect
620 * media change
621 */
622 usb_stor_dbg(us, "START_STOP\n");
623 /*
624 * the first jumpshot_id_device after a media change returns
625 * an error (determined experimentally)
626 */
627 rc = jumpshot_id_device(us, info);
628 if (rc == USB_STOR_TRANSPORT_GOOD) {
629 info->sense_key = NO_SENSE;
630 srb->result = SUCCESS;
631 } else {
632 info->sense_key = UNIT_ATTENTION;
633 srb->result = SAM_STAT_CHECK_CONDITION;
634 }
635 return rc;
636 }
637
638 usb_stor_dbg(us, "Gah! Unknown command: %d (0x%x)\n",
639 srb->cmnd[0], srb->cmnd[0]);
640 info->sense_key = 0x05;
641 info->sense_asc = 0x20;
642 info->sense_ascq = 0x00;
643 return USB_STOR_TRANSPORT_FAILED;
644}
645
646static struct scsi_host_template jumpshot_host_template;
647
648static int jumpshot_probe(struct usb_interface *intf,
649 const struct usb_device_id *id)
650{
651 struct us_data *us;
652 int result;
653
654 result = usb_stor_probe1(&us, intf, id,
655 (id - jumpshot_usb_ids) + jumpshot_unusual_dev_list,
656 &jumpshot_host_template);
657 if (result)
658 return result;
659
660 us->transport_name = "Lexar Jumpshot Control/Bulk";
661 us->transport = jumpshot_transport;
662 us->transport_reset = usb_stor_Bulk_reset;
663 us->max_lun = 1;
664
665 result = usb_stor_probe2(us);
666 return result;
667}
668
669static struct usb_driver jumpshot_driver = {
670 .name = DRV_NAME,
671 .probe = jumpshot_probe,
672 .disconnect = usb_stor_disconnect,
673 .suspend = usb_stor_suspend,
674 .resume = usb_stor_resume,
675 .reset_resume = usb_stor_reset_resume,
676 .pre_reset = usb_stor_pre_reset,
677 .post_reset = usb_stor_post_reset,
678 .id_table = jumpshot_usb_ids,
679 .soft_unbind = 1,
680 .no_dynamic_id = 1,
681};
682
683module_usb_stor_driver(jumpshot_driver, jumpshot_host_template, DRV_NAME);
1/*
2 * Driver for Lexar "Jumpshot" Compact Flash reader
3 *
4 * jumpshot driver v0.1:
5 *
6 * First release
7 *
8 * Current development and maintenance by:
9 * (c) 2000 Jimmie Mayfield (mayfield+usb@sackheads.org)
10 *
11 * Many thanks to Robert Baruch for the SanDisk SmartMedia reader driver
12 * which I used as a template for this driver.
13 *
14 * Some bugfixes and scatter-gather code by Gregory P. Smith
15 * (greg-usb@electricrain.com)
16 *
17 * Fix for media change by Joerg Schneider (js@joergschneider.com)
18 *
19 * Developed with the assistance of:
20 *
21 * (C) 2002 Alan Stern <stern@rowland.org>
22 *
23 * This program is free software; you can redistribute it and/or modify it
24 * under the terms of the GNU General Public License as published by the
25 * Free Software Foundation; either version 2, or (at your option) any
26 * later version.
27 *
28 * This program is distributed in the hope that it will be useful, but
29 * WITHOUT ANY WARRANTY; without even the implied warranty of
30 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
31 * General Public License for more details.
32 *
33 * You should have received a copy of the GNU General Public License along
34 * with this program; if not, write to the Free Software Foundation, Inc.,
35 * 675 Mass Ave, Cambridge, MA 02139, USA.
36 */
37
38 /*
39 * This driver attempts to support the Lexar Jumpshot USB CompactFlash
40 * reader. Like many other USB CompactFlash readers, the Jumpshot contains
41 * a USB-to-ATA chip.
42 *
43 * This driver supports reading and writing. If you're truly paranoid,
44 * however, you can force the driver into a write-protected state by setting
45 * the WP enable bits in jumpshot_handle_mode_sense. See the comments
46 * in that routine.
47 */
48
49#include <linux/errno.h>
50#include <linux/module.h>
51#include <linux/slab.h>
52
53#include <scsi/scsi.h>
54#include <scsi/scsi_cmnd.h>
55
56#include "usb.h"
57#include "transport.h"
58#include "protocol.h"
59#include "debug.h"
60#include "scsiglue.h"
61
62#define DRV_NAME "ums-jumpshot"
63
64MODULE_DESCRIPTION("Driver for Lexar \"Jumpshot\" Compact Flash reader");
65MODULE_AUTHOR("Jimmie Mayfield <mayfield+usb@sackheads.org>");
66MODULE_LICENSE("GPL");
67
68/*
69 * The table of devices
70 */
71#define UNUSUAL_DEV(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax, \
72 vendorName, productName, useProtocol, useTransport, \
73 initFunction, flags) \
74{ USB_DEVICE_VER(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax), \
75 .driver_info = (flags) }
76
77static struct usb_device_id jumpshot_usb_ids[] = {
78# include "unusual_jumpshot.h"
79 { } /* Terminating entry */
80};
81MODULE_DEVICE_TABLE(usb, jumpshot_usb_ids);
82
83#undef UNUSUAL_DEV
84
85/*
86 * The flags table
87 */
88#define UNUSUAL_DEV(idVendor, idProduct, bcdDeviceMin, bcdDeviceMax, \
89 vendor_name, product_name, use_protocol, use_transport, \
90 init_function, Flags) \
91{ \
92 .vendorName = vendor_name, \
93 .productName = product_name, \
94 .useProtocol = use_protocol, \
95 .useTransport = use_transport, \
96 .initFunction = init_function, \
97}
98
99static struct us_unusual_dev jumpshot_unusual_dev_list[] = {
100# include "unusual_jumpshot.h"
101 { } /* Terminating entry */
102};
103
104#undef UNUSUAL_DEV
105
106
107struct jumpshot_info {
108 unsigned long sectors; /* total sector count */
109 unsigned long ssize; /* sector size in bytes */
110
111 /* the following aren't used yet */
112 unsigned char sense_key;
113 unsigned long sense_asc; /* additional sense code */
114 unsigned long sense_ascq; /* additional sense code qualifier */
115};
116
117static inline int jumpshot_bulk_read(struct us_data *us,
118 unsigned char *data,
119 unsigned int len)
120{
121 if (len == 0)
122 return USB_STOR_XFER_GOOD;
123
124 usb_stor_dbg(us, "len = %d\n", len);
125 return usb_stor_bulk_transfer_buf(us, us->recv_bulk_pipe,
126 data, len, NULL);
127}
128
129
130static inline int jumpshot_bulk_write(struct us_data *us,
131 unsigned char *data,
132 unsigned int len)
133{
134 if (len == 0)
135 return USB_STOR_XFER_GOOD;
136
137 usb_stor_dbg(us, "len = %d\n", len);
138 return usb_stor_bulk_transfer_buf(us, us->send_bulk_pipe,
139 data, len, NULL);
140}
141
142
143static int jumpshot_get_status(struct us_data *us)
144{
145 int rc;
146
147 if (!us)
148 return USB_STOR_TRANSPORT_ERROR;
149
150 // send the setup
151 rc = usb_stor_ctrl_transfer(us, us->recv_ctrl_pipe,
152 0, 0xA0, 0, 7, us->iobuf, 1);
153
154 if (rc != USB_STOR_XFER_GOOD)
155 return USB_STOR_TRANSPORT_ERROR;
156
157 if (us->iobuf[0] != 0x50) {
158 usb_stor_dbg(us, "0x%2x\n", us->iobuf[0]);
159 return USB_STOR_TRANSPORT_ERROR;
160 }
161
162 return USB_STOR_TRANSPORT_GOOD;
163}
164
165static int jumpshot_read_data(struct us_data *us,
166 struct jumpshot_info *info,
167 u32 sector,
168 u32 sectors)
169{
170 unsigned char *command = us->iobuf;
171 unsigned char *buffer;
172 unsigned char thistime;
173 unsigned int totallen, alloclen;
174 int len, result;
175 unsigned int sg_offset = 0;
176 struct scatterlist *sg = NULL;
177
178 // we're working in LBA mode. according to the ATA spec,
179 // we can support up to 28-bit addressing. I don't know if Jumpshot
180 // supports beyond 24-bit addressing. It's kind of hard to test
181 // since it requires > 8GB CF card.
182
183 if (sector > 0x0FFFFFFF)
184 return USB_STOR_TRANSPORT_ERROR;
185
186 totallen = sectors * info->ssize;
187
188 // Since we don't read more than 64 KB at a time, we have to create
189 // a bounce buffer and move the data a piece at a time between the
190 // bounce buffer and the actual transfer buffer.
191
192 alloclen = min(totallen, 65536u);
193 buffer = kmalloc(alloclen, GFP_NOIO);
194 if (buffer == NULL)
195 return USB_STOR_TRANSPORT_ERROR;
196
197 do {
198 // loop, never allocate or transfer more than 64k at once
199 // (min(128k, 255*info->ssize) is the real limit)
200 len = min(totallen, alloclen);
201 thistime = (len / info->ssize) & 0xff;
202
203 command[0] = 0;
204 command[1] = thistime;
205 command[2] = sector & 0xFF;
206 command[3] = (sector >> 8) & 0xFF;
207 command[4] = (sector >> 16) & 0xFF;
208
209 command[5] = 0xE0 | ((sector >> 24) & 0x0F);
210 command[6] = 0x20;
211
212 // send the setup + command
213 result = usb_stor_ctrl_transfer(us, us->send_ctrl_pipe,
214 0, 0x20, 0, 1, command, 7);
215 if (result != USB_STOR_XFER_GOOD)
216 goto leave;
217
218 // read the result
219 result = jumpshot_bulk_read(us, buffer, len);
220 if (result != USB_STOR_XFER_GOOD)
221 goto leave;
222
223 usb_stor_dbg(us, "%d bytes\n", len);
224
225 // Store the data in the transfer buffer
226 usb_stor_access_xfer_buf(buffer, len, us->srb,
227 &sg, &sg_offset, TO_XFER_BUF);
228
229 sector += thistime;
230 totallen -= len;
231 } while (totallen > 0);
232
233 kfree(buffer);
234 return USB_STOR_TRANSPORT_GOOD;
235
236 leave:
237 kfree(buffer);
238 return USB_STOR_TRANSPORT_ERROR;
239}
240
241
242static int jumpshot_write_data(struct us_data *us,
243 struct jumpshot_info *info,
244 u32 sector,
245 u32 sectors)
246{
247 unsigned char *command = us->iobuf;
248 unsigned char *buffer;
249 unsigned char thistime;
250 unsigned int totallen, alloclen;
251 int len, result, waitcount;
252 unsigned int sg_offset = 0;
253 struct scatterlist *sg = NULL;
254
255 // we're working in LBA mode. according to the ATA spec,
256 // we can support up to 28-bit addressing. I don't know if Jumpshot
257 // supports beyond 24-bit addressing. It's kind of hard to test
258 // since it requires > 8GB CF card.
259 //
260 if (sector > 0x0FFFFFFF)
261 return USB_STOR_TRANSPORT_ERROR;
262
263 totallen = sectors * info->ssize;
264
265 // Since we don't write more than 64 KB at a time, we have to create
266 // a bounce buffer and move the data a piece at a time between the
267 // bounce buffer and the actual transfer buffer.
268
269 alloclen = min(totallen, 65536u);
270 buffer = kmalloc(alloclen, GFP_NOIO);
271 if (buffer == NULL)
272 return USB_STOR_TRANSPORT_ERROR;
273
274 do {
275 // loop, never allocate or transfer more than 64k at once
276 // (min(128k, 255*info->ssize) is the real limit)
277
278 len = min(totallen, alloclen);
279 thistime = (len / info->ssize) & 0xff;
280
281 // Get the data from the transfer buffer
282 usb_stor_access_xfer_buf(buffer, len, us->srb,
283 &sg, &sg_offset, FROM_XFER_BUF);
284
285 command[0] = 0;
286 command[1] = thistime;
287 command[2] = sector & 0xFF;
288 command[3] = (sector >> 8) & 0xFF;
289 command[4] = (sector >> 16) & 0xFF;
290
291 command[5] = 0xE0 | ((sector >> 24) & 0x0F);
292 command[6] = 0x30;
293
294 // send the setup + command
295 result = usb_stor_ctrl_transfer(us, us->send_ctrl_pipe,
296 0, 0x20, 0, 1, command, 7);
297 if (result != USB_STOR_XFER_GOOD)
298 goto leave;
299
300 // send the data
301 result = jumpshot_bulk_write(us, buffer, len);
302 if (result != USB_STOR_XFER_GOOD)
303 goto leave;
304
305 // read the result. apparently the bulk write can complete
306 // before the jumpshot drive is finished writing. so we loop
307 // here until we get a good return code
308 waitcount = 0;
309 do {
310 result = jumpshot_get_status(us);
311 if (result != USB_STOR_TRANSPORT_GOOD) {
312 // I have not experimented to find the smallest value.
313 //
314 msleep(50);
315 }
316 } while ((result != USB_STOR_TRANSPORT_GOOD) && (waitcount < 10));
317
318 if (result != USB_STOR_TRANSPORT_GOOD)
319 usb_stor_dbg(us, "Gah! Waitcount = 10. Bad write!?\n");
320
321 sector += thistime;
322 totallen -= len;
323 } while (totallen > 0);
324
325 kfree(buffer);
326 return result;
327
328 leave:
329 kfree(buffer);
330 return USB_STOR_TRANSPORT_ERROR;
331}
332
333static int jumpshot_id_device(struct us_data *us,
334 struct jumpshot_info *info)
335{
336 unsigned char *command = us->iobuf;
337 unsigned char *reply;
338 int rc;
339
340 if (!info)
341 return USB_STOR_TRANSPORT_ERROR;
342
343 command[0] = 0xE0;
344 command[1] = 0xEC;
345 reply = kmalloc(512, GFP_NOIO);
346 if (!reply)
347 return USB_STOR_TRANSPORT_ERROR;
348
349 // send the setup
350 rc = usb_stor_ctrl_transfer(us, us->send_ctrl_pipe,
351 0, 0x20, 0, 6, command, 2);
352
353 if (rc != USB_STOR_XFER_GOOD) {
354 usb_stor_dbg(us, "Gah! send_control for read_capacity failed\n");
355 rc = USB_STOR_TRANSPORT_ERROR;
356 goto leave;
357 }
358
359 // read the reply
360 rc = jumpshot_bulk_read(us, reply, 512);
361 if (rc != USB_STOR_XFER_GOOD) {
362 rc = USB_STOR_TRANSPORT_ERROR;
363 goto leave;
364 }
365
366 info->sectors = ((u32)(reply[117]) << 24) |
367 ((u32)(reply[116]) << 16) |
368 ((u32)(reply[115]) << 8) |
369 ((u32)(reply[114]) );
370
371 rc = USB_STOR_TRANSPORT_GOOD;
372
373 leave:
374 kfree(reply);
375 return rc;
376}
377
378static int jumpshot_handle_mode_sense(struct us_data *us,
379 struct scsi_cmnd * srb,
380 int sense_6)
381{
382 static unsigned char rw_err_page[12] = {
383 0x1, 0xA, 0x21, 1, 0, 0, 0, 0, 1, 0, 0, 0
384 };
385 static unsigned char cache_page[12] = {
386 0x8, 0xA, 0x1, 0, 0, 0, 0, 0, 0, 0, 0, 0
387 };
388 static unsigned char rbac_page[12] = {
389 0x1B, 0xA, 0, 0x81, 0, 0, 0, 0, 0, 0, 0, 0
390 };
391 static unsigned char timer_page[8] = {
392 0x1C, 0x6, 0, 0, 0, 0
393 };
394 unsigned char pc, page_code;
395 unsigned int i = 0;
396 struct jumpshot_info *info = (struct jumpshot_info *) (us->extra);
397 unsigned char *ptr = us->iobuf;
398
399 pc = srb->cmnd[2] >> 6;
400 page_code = srb->cmnd[2] & 0x3F;
401
402 switch (pc) {
403 case 0x0:
404 usb_stor_dbg(us, "Current values\n");
405 break;
406 case 0x1:
407 usb_stor_dbg(us, "Changeable values\n");
408 break;
409 case 0x2:
410 usb_stor_dbg(us, "Default values\n");
411 break;
412 case 0x3:
413 usb_stor_dbg(us, "Saves values\n");
414 break;
415 }
416
417 memset(ptr, 0, 8);
418 if (sense_6) {
419 ptr[2] = 0x00; // WP enable: 0x80
420 i = 4;
421 } else {
422 ptr[3] = 0x00; // WP enable: 0x80
423 i = 8;
424 }
425
426 switch (page_code) {
427 case 0x0:
428 // vendor-specific mode
429 info->sense_key = 0x05;
430 info->sense_asc = 0x24;
431 info->sense_ascq = 0x00;
432 return USB_STOR_TRANSPORT_FAILED;
433
434 case 0x1:
435 memcpy(ptr + i, rw_err_page, sizeof(rw_err_page));
436 i += sizeof(rw_err_page);
437 break;
438
439 case 0x8:
440 memcpy(ptr + i, cache_page, sizeof(cache_page));
441 i += sizeof(cache_page);
442 break;
443
444 case 0x1B:
445 memcpy(ptr + i, rbac_page, sizeof(rbac_page));
446 i += sizeof(rbac_page);
447 break;
448
449 case 0x1C:
450 memcpy(ptr + i, timer_page, sizeof(timer_page));
451 i += sizeof(timer_page);
452 break;
453
454 case 0x3F:
455 memcpy(ptr + i, timer_page, sizeof(timer_page));
456 i += sizeof(timer_page);
457 memcpy(ptr + i, rbac_page, sizeof(rbac_page));
458 i += sizeof(rbac_page);
459 memcpy(ptr + i, cache_page, sizeof(cache_page));
460 i += sizeof(cache_page);
461 memcpy(ptr + i, rw_err_page, sizeof(rw_err_page));
462 i += sizeof(rw_err_page);
463 break;
464 }
465
466 if (sense_6)
467 ptr[0] = i - 1;
468 else
469 ((__be16 *) ptr)[0] = cpu_to_be16(i - 2);
470 usb_stor_set_xfer_buf(ptr, i, srb);
471
472 return USB_STOR_TRANSPORT_GOOD;
473}
474
475
476static void jumpshot_info_destructor(void *extra)
477{
478 // this routine is a placeholder...
479 // currently, we don't allocate any extra blocks so we're okay
480}
481
482
483
484// Transport for the Lexar 'Jumpshot'
485//
486static int jumpshot_transport(struct scsi_cmnd *srb, struct us_data *us)
487{
488 struct jumpshot_info *info;
489 int rc;
490 unsigned long block, blocks;
491 unsigned char *ptr = us->iobuf;
492 static unsigned char inquiry_response[8] = {
493 0x00, 0x80, 0x00, 0x01, 0x1F, 0x00, 0x00, 0x00
494 };
495
496 if (!us->extra) {
497 us->extra = kzalloc(sizeof(struct jumpshot_info), GFP_NOIO);
498 if (!us->extra)
499 return USB_STOR_TRANSPORT_ERROR;
500
501 us->extra_destructor = jumpshot_info_destructor;
502 }
503
504 info = (struct jumpshot_info *) (us->extra);
505
506 if (srb->cmnd[0] == INQUIRY) {
507 usb_stor_dbg(us, "INQUIRY - Returning bogus response\n");
508 memcpy(ptr, inquiry_response, sizeof(inquiry_response));
509 fill_inquiry_response(us, ptr, 36);
510 return USB_STOR_TRANSPORT_GOOD;
511 }
512
513 if (srb->cmnd[0] == READ_CAPACITY) {
514 info->ssize = 0x200; // hard coded 512 byte sectors as per ATA spec
515
516 rc = jumpshot_get_status(us);
517 if (rc != USB_STOR_TRANSPORT_GOOD)
518 return rc;
519
520 rc = jumpshot_id_device(us, info);
521 if (rc != USB_STOR_TRANSPORT_GOOD)
522 return rc;
523
524 usb_stor_dbg(us, "READ_CAPACITY: %ld sectors, %ld bytes per sector\n",
525 info->sectors, info->ssize);
526
527 // build the reply
528 //
529 ((__be32 *) ptr)[0] = cpu_to_be32(info->sectors - 1);
530 ((__be32 *) ptr)[1] = cpu_to_be32(info->ssize);
531 usb_stor_set_xfer_buf(ptr, 8, srb);
532
533 return USB_STOR_TRANSPORT_GOOD;
534 }
535
536 if (srb->cmnd[0] == MODE_SELECT_10) {
537 usb_stor_dbg(us, "Gah! MODE_SELECT_10\n");
538 return USB_STOR_TRANSPORT_ERROR;
539 }
540
541 if (srb->cmnd[0] == READ_10) {
542 block = ((u32)(srb->cmnd[2]) << 24) | ((u32)(srb->cmnd[3]) << 16) |
543 ((u32)(srb->cmnd[4]) << 8) | ((u32)(srb->cmnd[5]));
544
545 blocks = ((u32)(srb->cmnd[7]) << 8) | ((u32)(srb->cmnd[8]));
546
547 usb_stor_dbg(us, "READ_10: read block 0x%04lx count %ld\n",
548 block, blocks);
549 return jumpshot_read_data(us, info, block, blocks);
550 }
551
552 if (srb->cmnd[0] == READ_12) {
553 // I don't think we'll ever see a READ_12 but support it anyway...
554 //
555 block = ((u32)(srb->cmnd[2]) << 24) | ((u32)(srb->cmnd[3]) << 16) |
556 ((u32)(srb->cmnd[4]) << 8) | ((u32)(srb->cmnd[5]));
557
558 blocks = ((u32)(srb->cmnd[6]) << 24) | ((u32)(srb->cmnd[7]) << 16) |
559 ((u32)(srb->cmnd[8]) << 8) | ((u32)(srb->cmnd[9]));
560
561 usb_stor_dbg(us, "READ_12: read block 0x%04lx count %ld\n",
562 block, blocks);
563 return jumpshot_read_data(us, info, block, blocks);
564 }
565
566 if (srb->cmnd[0] == WRITE_10) {
567 block = ((u32)(srb->cmnd[2]) << 24) | ((u32)(srb->cmnd[3]) << 16) |
568 ((u32)(srb->cmnd[4]) << 8) | ((u32)(srb->cmnd[5]));
569
570 blocks = ((u32)(srb->cmnd[7]) << 8) | ((u32)(srb->cmnd[8]));
571
572 usb_stor_dbg(us, "WRITE_10: write block 0x%04lx count %ld\n",
573 block, blocks);
574 return jumpshot_write_data(us, info, block, blocks);
575 }
576
577 if (srb->cmnd[0] == WRITE_12) {
578 // I don't think we'll ever see a WRITE_12 but support it anyway...
579 //
580 block = ((u32)(srb->cmnd[2]) << 24) | ((u32)(srb->cmnd[3]) << 16) |
581 ((u32)(srb->cmnd[4]) << 8) | ((u32)(srb->cmnd[5]));
582
583 blocks = ((u32)(srb->cmnd[6]) << 24) | ((u32)(srb->cmnd[7]) << 16) |
584 ((u32)(srb->cmnd[8]) << 8) | ((u32)(srb->cmnd[9]));
585
586 usb_stor_dbg(us, "WRITE_12: write block 0x%04lx count %ld\n",
587 block, blocks);
588 return jumpshot_write_data(us, info, block, blocks);
589 }
590
591
592 if (srb->cmnd[0] == TEST_UNIT_READY) {
593 usb_stor_dbg(us, "TEST_UNIT_READY\n");
594 return jumpshot_get_status(us);
595 }
596
597 if (srb->cmnd[0] == REQUEST_SENSE) {
598 usb_stor_dbg(us, "REQUEST_SENSE\n");
599
600 memset(ptr, 0, 18);
601 ptr[0] = 0xF0;
602 ptr[2] = info->sense_key;
603 ptr[7] = 11;
604 ptr[12] = info->sense_asc;
605 ptr[13] = info->sense_ascq;
606 usb_stor_set_xfer_buf(ptr, 18, srb);
607
608 return USB_STOR_TRANSPORT_GOOD;
609 }
610
611 if (srb->cmnd[0] == MODE_SENSE) {
612 usb_stor_dbg(us, "MODE_SENSE_6 detected\n");
613 return jumpshot_handle_mode_sense(us, srb, 1);
614 }
615
616 if (srb->cmnd[0] == MODE_SENSE_10) {
617 usb_stor_dbg(us, "MODE_SENSE_10 detected\n");
618 return jumpshot_handle_mode_sense(us, srb, 0);
619 }
620
621 if (srb->cmnd[0] == ALLOW_MEDIUM_REMOVAL) {
622 /*
623 * sure. whatever. not like we can stop the user from popping
624 * the media out of the device (no locking doors, etc)
625 */
626 return USB_STOR_TRANSPORT_GOOD;
627 }
628
629 if (srb->cmnd[0] == START_STOP) {
630 /*
631 * this is used by sd.c'check_scsidisk_media_change to detect
632 * media change
633 */
634 usb_stor_dbg(us, "START_STOP\n");
635 /*
636 * the first jumpshot_id_device after a media change returns
637 * an error (determined experimentally)
638 */
639 rc = jumpshot_id_device(us, info);
640 if (rc == USB_STOR_TRANSPORT_GOOD) {
641 info->sense_key = NO_SENSE;
642 srb->result = SUCCESS;
643 } else {
644 info->sense_key = UNIT_ATTENTION;
645 srb->result = SAM_STAT_CHECK_CONDITION;
646 }
647 return rc;
648 }
649
650 usb_stor_dbg(us, "Gah! Unknown command: %d (0x%x)\n",
651 srb->cmnd[0], srb->cmnd[0]);
652 info->sense_key = 0x05;
653 info->sense_asc = 0x20;
654 info->sense_ascq = 0x00;
655 return USB_STOR_TRANSPORT_FAILED;
656}
657
658static struct scsi_host_template jumpshot_host_template;
659
660static int jumpshot_probe(struct usb_interface *intf,
661 const struct usb_device_id *id)
662{
663 struct us_data *us;
664 int result;
665
666 result = usb_stor_probe1(&us, intf, id,
667 (id - jumpshot_usb_ids) + jumpshot_unusual_dev_list,
668 &jumpshot_host_template);
669 if (result)
670 return result;
671
672 us->transport_name = "Lexar Jumpshot Control/Bulk";
673 us->transport = jumpshot_transport;
674 us->transport_reset = usb_stor_Bulk_reset;
675 us->max_lun = 1;
676
677 result = usb_stor_probe2(us);
678 return result;
679}
680
681static struct usb_driver jumpshot_driver = {
682 .name = DRV_NAME,
683 .probe = jumpshot_probe,
684 .disconnect = usb_stor_disconnect,
685 .suspend = usb_stor_suspend,
686 .resume = usb_stor_resume,
687 .reset_resume = usb_stor_reset_resume,
688 .pre_reset = usb_stor_pre_reset,
689 .post_reset = usb_stor_post_reset,
690 .id_table = jumpshot_usb_ids,
691 .soft_unbind = 1,
692 .no_dynamic_id = 1,
693};
694
695module_usb_stor_driver(jumpshot_driver, jumpshot_host_template, DRV_NAME);