utoppy.c revision 1.24 1 /* $NetBSD: utoppy.c,v 1.24 2014/07/25 08:10:39 dholland Exp $ */
2
3 /*-
4 * Copyright (c) 2006 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Steve C. Woodford.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 #include <sys/cdefs.h>
33 __KERNEL_RCSID(0, "$NetBSD: utoppy.c,v 1.24 2014/07/25 08:10:39 dholland Exp $");
34
35 #include <sys/param.h>
36 #include <sys/systm.h>
37 #include <sys/proc.h>
38 #include <sys/kernel.h>
39 #include <sys/fcntl.h>
40 #include <sys/device.h>
41 #include <sys/malloc.h>
42 #include <sys/ioctl.h>
43 #include <sys/uio.h>
44 #include <sys/conf.h>
45 #include <sys/vnode.h>
46 #include <sys/bus.h>
47
48 #include <dev/usb/usb.h>
49 #include <dev/usb/usbdi.h>
50 #include <dev/usb/usbdivar.h>
51 #include <dev/usb/usbdi_util.h>
52 #include <dev/usb/usbdevs.h>
53 #include <dev/usb/usb_quirks.h>
54 #include <dev/usb/utoppy.h>
55
56 #undef UTOPPY_DEBUG
57 #ifdef UTOPPY_DEBUG
58 #define UTOPPY_DBG_OPEN 0x0001
59 #define UTOPPY_DBG_CLOSE 0x0002
60 #define UTOPPY_DBG_READ 0x0004
61 #define UTOPPY_DBG_WRITE 0x0008
62 #define UTOPPY_DBG_IOCTL 0x0010
63 #define UTOPPY_DBG_SEND_PACKET 0x0020
64 #define UTOPPY_DBG_RECV_PACKET 0x0040
65 #define UTOPPY_DBG_ADDPATH 0x0080
66 #define UTOPPY_DBG_READDIR 0x0100
67 #define UTOPPY_DBG_DUMP 0x0200
68 #define DPRINTF(l, m) \
69 do { \
70 if (utoppy_debug & l) \
71 printf m; \
72 } while (/*CONSTCOND*/0)
73 static int utoppy_debug = 0;
74 static void utoppy_dump_packet(const void *, size_t);
75 #define DDUMP_PACKET(p, l) \
76 do { \
77 if (utoppy_debug & UTOPPY_DBG_DUMP) \
78 utoppy_dump_packet((p), (l)); \
79 } while (/*CONSTCOND*/0)
80 #else
81 #define DPRINTF(l, m) /* nothing */
82 #define DDUMP_PACKET(p, l) /* nothing */
83 #endif
84
85
86 #define UTOPPY_CONFIG_NO 1
87 #define UTOPPY_NUMENDPOINTS 2
88
89 #define UTOPPY_BSIZE 0xffff
90 #define UTOPPY_FRAG_SIZE 0x1000
91 #define UTOPPY_HEADER_SIZE 8
92 #define UTOPPY_SHORT_TIMEOUT (500) /* 0.5 seconds */
93 #define UTOPPY_LONG_TIMEOUT (10 * 1000) /* 10 seconds */
94
95 /* Protocol Commands and Responses */
96 #define UTOPPY_RESP_ERROR 0x0001
97 #define UTOPPY_CMD_ACK 0x0002
98 #define UTOPPY_RESP_SUCCESS UTOPPY_CMD_ACK
99 #define UTOPPY_CMD_CANCEL 0x0003
100 #define UTOPPY_CMD_READY 0x0100
101 #define UTOPPY_CMD_RESET 0x0101
102 #define UTOPPY_CMD_TURBO 0x0102
103 #define UTOPPY_CMD_STATS 0x1000
104 #define UTOPPY_RESP_STATS_DATA 0x1001
105 #define UTOPPY_CMD_READDIR 0x1002
106 #define UTOPPY_RESP_READDIR_DATA 0x1003
107 #define UTOPPY_RESP_READDIR_END 0x1004
108 #define UTOPPY_CMD_DELETE 0x1005
109 #define UTOPPY_CMD_RENAME 0x1006
110 #define UTOPPY_CMD_MKDIR 0x1007
111 #define UTOPPY_CMD_FILE 0x1008
112 #define UTOPPY_FILE_WRITE 0
113 #define UTOPPY_FILE_READ 1
114 #define UTOPPY_RESP_FILE_HEADER 0x1009
115 #define UTOPPY_RESP_FILE_DATA 0x100a
116 #define UTOPPY_RESP_FILE_END 0x100b
117
118 enum utoppy_state {
119 UTOPPY_STATE_CLOSED,
120 UTOPPY_STATE_OPENING,
121 UTOPPY_STATE_IDLE,
122 UTOPPY_STATE_READDIR,
123 UTOPPY_STATE_READFILE,
124 UTOPPY_STATE_WRITEFILE
125 };
126
127 struct utoppy_softc {
128 device_t sc_dev;
129 usbd_device_handle sc_udev; /* device */
130 usbd_interface_handle sc_iface; /* interface */
131 int sc_dying;
132 int sc_refcnt;
133
134 enum utoppy_state sc_state;
135 u_int sc_turbo_mode;
136
137 int sc_out;
138 usbd_pipe_handle sc_out_pipe; /* bulk out pipe */
139 usbd_xfer_handle sc_out_xfer;
140 void *sc_out_buf;
141 void *sc_out_data;
142 uint64_t sc_wr_offset;
143 uint64_t sc_wr_size;
144
145 int sc_in;
146 usbd_pipe_handle sc_in_pipe; /* bulk in pipe */
147 usbd_xfer_handle sc_in_xfer;
148 void *sc_in_buf;
149 void *sc_in_data;
150 size_t sc_in_len;
151 u_int sc_in_offset;
152 };
153
154 struct utoppy_header {
155 uint16_t h_len;
156 uint16_t h_crc;
157 uint16_t h_cmd2;
158 uint16_t h_cmd;
159 uint8_t h_data[0];
160 };
161 #define UTOPPY_OUT_INIT(sc) \
162 do { \
163 struct utoppy_header *_h = sc->sc_out_data; \
164 _h->h_len = 0; \
165 } while (/*CONSTCOND*/0)
166
167 #define UTOPPY_MJD_1970 40587u /* MJD value for Jan 1 00:00:00 1970 */
168
169 #define UTOPPY_FTYPE_DIR 1
170 #define UTOPPY_FTYPE_FILE 2
171
172 #define UTOPPY_IN_DATA(sc) \
173 ((void*)&(((uint8_t*)(sc)->sc_in_data)[(sc)->sc_in_offset+UTOPPY_HEADER_SIZE]))
174
175 dev_type_open(utoppyopen);
176 dev_type_close(utoppyclose);
177 dev_type_read(utoppyread);
178 dev_type_write(utoppywrite);
179 dev_type_ioctl(utoppyioctl);
180
181 const struct cdevsw utoppy_cdevsw = {
182 .d_open = utoppyopen,
183 .d_close = utoppyclose,
184 .d_read = utoppyread,
185 .d_write = utoppywrite,
186 .d_ioctl = utoppyioctl,
187 .d_stop = nostop,
188 .d_tty = notty,
189 .d_poll = nopoll,
190 .d_mmap = nommap,
191 .d_kqfilter = nokqfilter,
192 .d_discard = nodiscard,
193 .d_flag = D_OTHER
194 };
195
196 #define UTOPPYUNIT(n) (minor(n))
197
198 int utoppy_match(device_t, cfdata_t, void *);
199 void utoppy_attach(device_t, device_t, void *);
200 int utoppy_detach(device_t, int);
201 int utoppy_activate(device_t, enum devact);
202 extern struct cfdriver utoppy_cd;
203 CFATTACH_DECL_NEW(utoppy, sizeof(struct utoppy_softc), utoppy_match, utoppy_attach, utoppy_detach, utoppy_activate);
204
205 int
206 utoppy_match(device_t parent, cfdata_t match, void *aux)
207 {
208 struct usb_attach_arg *uaa = aux;
209
210 if (uaa->vendor == USB_VENDOR_TOPFIELD &&
211 uaa->product == USB_PRODUCT_TOPFIELD_TF5000PVR)
212 return (UMATCH_VENDOR_PRODUCT);
213
214 return (UMATCH_NONE);
215 }
216
217 void
218 utoppy_attach(device_t parent, device_t self, void *aux)
219 {
220 struct utoppy_softc *sc = device_private(self);
221 struct usb_attach_arg *uaa = aux;
222 usbd_device_handle dev = uaa->device;
223 usbd_interface_handle iface;
224 usb_endpoint_descriptor_t *ed;
225 char *devinfop;
226 u_int8_t epcount;
227 int i;
228
229 sc->sc_dev = self;
230
231 aprint_naive("\n");
232 aprint_normal("\n");
233
234 devinfop = usbd_devinfo_alloc(dev, 0);
235 aprint_normal_dev(self, "%s\n", devinfop);
236 usbd_devinfo_free(devinfop);
237
238 sc->sc_dying = 0;
239 sc->sc_refcnt = 0;
240 sc->sc_udev = dev;
241
242 if (usbd_set_config_index(dev, 0, 1)
243 || usbd_device2interface_handle(dev, 0, &iface)) {
244 aprint_error_dev(self, "Configuration failed\n");
245 return;
246 }
247
248 epcount = 0;
249 (void) usbd_endpoint_count(iface, &epcount);
250 if (epcount != UTOPPY_NUMENDPOINTS) {
251 aprint_error_dev(self, "Expected %d endpoints, got %d\n",
252 UTOPPY_NUMENDPOINTS, epcount);
253 return;
254 }
255
256 sc->sc_in = -1;
257 sc->sc_out = -1;
258
259 for (i = 0; i < epcount; i++) {
260 ed = usbd_interface2endpoint_descriptor(iface, i);
261 if (ed == NULL) {
262 aprint_error_dev(self, "couldn't get ep %d\n", i);
263 return;
264 }
265
266 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
267 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
268 sc->sc_in = ed->bEndpointAddress;
269 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
270 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
271 sc->sc_out = ed->bEndpointAddress;
272 }
273 }
274
275 if (sc->sc_out == -1 || sc->sc_in == -1) {
276 aprint_error_dev(self,
277 "could not find bulk in/out endpoints\n");
278 sc->sc_dying = 1;
279 return;
280 }
281
282 sc->sc_iface = iface;
283 sc->sc_udev = dev;
284
285 sc->sc_out_xfer = usbd_alloc_xfer(sc->sc_udev);
286 if (sc->sc_out_xfer == NULL) {
287 aprint_error_dev(self, "could not allocate bulk out xfer\n");
288 goto fail0;
289 }
290
291 sc->sc_out_buf = usbd_alloc_buffer(sc->sc_out_xfer, UTOPPY_FRAG_SIZE);
292 if (sc->sc_out_buf == NULL) {
293 aprint_error_dev(self, "could not allocate bulk out buffer\n");
294 goto fail1;
295 }
296
297 sc->sc_in_xfer = usbd_alloc_xfer(sc->sc_udev);
298 if (sc->sc_in_xfer == NULL) {
299 aprint_error_dev(self, "could not allocate bulk in xfer\n");
300 goto fail1;
301 }
302
303 sc->sc_in_buf = usbd_alloc_buffer(sc->sc_in_xfer, UTOPPY_FRAG_SIZE);
304 if (sc->sc_in_buf == NULL) {
305 aprint_error_dev(self, "could not allocate bulk in buffer\n");
306 goto fail2;
307 }
308
309 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev,
310 sc->sc_dev);
311
312 return;
313
314 fail2: usbd_free_xfer(sc->sc_in_xfer);
315 sc->sc_in_xfer = NULL;
316
317 fail1: usbd_free_xfer(sc->sc_out_xfer);
318 sc->sc_out_xfer = NULL;
319
320 fail0: sc->sc_dying = 1;
321 return;
322 }
323
324 int
325 utoppy_activate(device_t self, enum devact act)
326 {
327 struct utoppy_softc *sc = device_private(self);
328
329 switch (act) {
330 case DVACT_DEACTIVATE:
331 sc->sc_dying = 1;
332 return 0;
333 default:
334 return EOPNOTSUPP;
335 }
336 }
337
338 int
339 utoppy_detach(device_t self, int flags)
340 {
341 struct utoppy_softc *sc = device_private(self);
342 int maj, mn;
343 int s;
344
345 sc->sc_dying = 1;
346 if (sc->sc_out_pipe != NULL)
347 usbd_abort_pipe(sc->sc_out_pipe);
348 if (sc->sc_in_pipe != NULL)
349 usbd_abort_pipe(sc->sc_in_pipe);
350
351 if (sc->sc_in_xfer != NULL)
352 usbd_free_xfer(sc->sc_in_xfer);
353 if (sc->sc_out_xfer != NULL)
354 usbd_free_xfer(sc->sc_out_xfer);
355
356 s = splusb();
357 if (--sc->sc_refcnt >= 0)
358 usb_detach_waitold(sc->sc_dev);
359 splx(s);
360
361 /* locate the major number */
362 maj = cdevsw_lookup_major(&utoppy_cdevsw);
363
364 /* Nuke the vnodes for any open instances (calls close). */
365 mn = device_unit(self);
366 vdevgone(maj, mn, mn, VCHR);
367
368 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
369 sc->sc_dev);
370
371 return (0);
372 }
373
374 static const uint16_t utoppy_crc16_lookup[] = {
375 0x0000, 0xc0c1, 0xc181, 0x0140, 0xc301, 0x03c0, 0x0280, 0xc241,
376 0xc601, 0x06c0, 0x0780, 0xc741, 0x0500, 0xc5c1, 0xc481, 0x0440,
377 0xcc01, 0x0cc0, 0x0d80, 0xcd41, 0x0f00, 0xcfc1, 0xce81, 0x0e40,
378 0x0a00, 0xcac1, 0xcb81, 0x0b40, 0xc901, 0x09c0, 0x0880, 0xc841,
379 0xd801, 0x18c0, 0x1980, 0xd941, 0x1b00, 0xdbc1, 0xda81, 0x1a40,
380 0x1e00, 0xdec1, 0xdf81, 0x1f40, 0xdd01, 0x1dc0, 0x1c80, 0xdc41,
381 0x1400, 0xd4c1, 0xd581, 0x1540, 0xd701, 0x17c0, 0x1680, 0xd641,
382 0xd201, 0x12c0, 0x1380, 0xd341, 0x1100, 0xd1c1, 0xd081, 0x1040,
383 0xf001, 0x30c0, 0x3180, 0xf141, 0x3300, 0xf3c1, 0xf281, 0x3240,
384 0x3600, 0xf6c1, 0xf781, 0x3740, 0xf501, 0x35c0, 0x3480, 0xf441,
385 0x3c00, 0xfcc1, 0xfd81, 0x3d40, 0xff01, 0x3fc0, 0x3e80, 0xfe41,
386 0xfa01, 0x3ac0, 0x3b80, 0xfb41, 0x3900, 0xf9c1, 0xf881, 0x3840,
387 0x2800, 0xe8c1, 0xe981, 0x2940, 0xeb01, 0x2bc0, 0x2a80, 0xea41,
388 0xee01, 0x2ec0, 0x2f80, 0xef41, 0x2d00, 0xedc1, 0xec81, 0x2c40,
389 0xe401, 0x24c0, 0x2580, 0xe541, 0x2700, 0xe7c1, 0xe681, 0x2640,
390 0x2200, 0xe2c1, 0xe381, 0x2340, 0xe101, 0x21c0, 0x2080, 0xe041,
391 0xa001, 0x60c0, 0x6180, 0xa141, 0x6300, 0xa3c1, 0xa281, 0x6240,
392 0x6600, 0xa6c1, 0xa781, 0x6740, 0xa501, 0x65c0, 0x6480, 0xa441,
393 0x6c00, 0xacc1, 0xad81, 0x6d40, 0xaf01, 0x6fc0, 0x6e80, 0xae41,
394 0xaa01, 0x6ac0, 0x6b80, 0xab41, 0x6900, 0xa9c1, 0xa881, 0x6840,
395 0x7800, 0xb8c1, 0xb981, 0x7940, 0xbb01, 0x7bc0, 0x7a80, 0xba41,
396 0xbe01, 0x7ec0, 0x7f80, 0xbf41, 0x7d00, 0xbdc1, 0xbc81, 0x7c40,
397 0xb401, 0x74c0, 0x7580, 0xb541, 0x7700, 0xb7c1, 0xb681, 0x7640,
398 0x7200, 0xb2c1, 0xb381, 0x7340, 0xb101, 0x71c0, 0x7080, 0xb041,
399 0x5000, 0x90c1, 0x9181, 0x5140, 0x9301, 0x53c0, 0x5280, 0x9241,
400 0x9601, 0x56c0, 0x5780, 0x9741, 0x5500, 0x95c1, 0x9481, 0x5440,
401 0x9c01, 0x5cc0, 0x5d80, 0x9d41, 0x5f00, 0x9fc1, 0x9e81, 0x5e40,
402 0x5a00, 0x9ac1, 0x9b81, 0x5b40, 0x9901, 0x59c0, 0x5880, 0x9841,
403 0x8801, 0x48c0, 0x4980, 0x8941, 0x4b00, 0x8bc1, 0x8a81, 0x4a40,
404 0x4e00, 0x8ec1, 0x8f81, 0x4f40, 0x8d01, 0x4dc0, 0x4c80, 0x8c41,
405 0x4400, 0x84c1, 0x8581, 0x4540, 0x8701, 0x47c0, 0x4680, 0x8641,
406 0x8201, 0x42c0, 0x4380, 0x8341, 0x4100, 0x81c1, 0x8081, 0x4040
407 };
408
409 #define UTOPPY_CRC16(ccrc,b) \
410 (utoppy_crc16_lookup[((ccrc) ^ (b)) & 0xffu] ^ ((ccrc) >> 8))
411
412 static const int utoppy_usbdstatus_lookup[] = {
413 0, /* USBD_NORMAL_COMPLETION */
414 EINPROGRESS, /* USBD_IN_PROGRESS */
415 EALREADY, /* USBD_PENDING_REQUESTS */
416 EAGAIN, /* USBD_NOT_STARTED */
417 EINVAL, /* USBD_INVAL */
418 ENOMEM, /* USBD_NOMEM */
419 ECONNRESET, /* USBD_CANCELLED */
420 EFAULT, /* USBD_BAD_ADDRESS */
421 EBUSY, /* USBD_IN_USE */
422 EADDRNOTAVAIL, /* USBD_NO_ADDR */
423 ENETDOWN, /* USBD_SET_ADDR_FAILED */
424 EIO, /* USBD_NO_POWER */
425 EMLINK, /* USBD_TOO_DEEP */
426 EIO, /* USBD_IOERROR */
427 ENXIO, /* USBD_NOT_CONFIGURED */
428 ETIMEDOUT, /* USBD_TIMEOUT */
429 EBADMSG, /* USBD_SHORT_XFER */
430 EHOSTDOWN, /* USBD_STALLED */
431 EINTR /* USBD_INTERRUPTED */
432 };
433
434 static __inline int
435 utoppy_usbd_status2errno(usbd_status err)
436 {
437
438 if (err >= USBD_ERROR_MAX)
439 return (EFAULT);
440 return (utoppy_usbdstatus_lookup[err]);
441 }
442
443 #ifdef UTOPPY_DEBUG
444 static const char *
445 utoppy_state_string(enum utoppy_state state)
446 {
447 const char *str;
448
449 switch (state) {
450 case UTOPPY_STATE_CLOSED:
451 str = "CLOSED";
452 break;
453 case UTOPPY_STATE_OPENING:
454 str = "OPENING";
455 break;
456 case UTOPPY_STATE_IDLE:
457 str = "IDLE";
458 break;
459 case UTOPPY_STATE_READDIR:
460 str = "READ DIRECTORY";
461 break;
462 case UTOPPY_STATE_READFILE:
463 str = "READ FILE";
464 break;
465 case UTOPPY_STATE_WRITEFILE:
466 str = "WRITE FILE";
467 break;
468 default:
469 str = "INVALID!";
470 break;
471 }
472
473 return (str);
474 }
475
476 static void
477 utoppy_dump_packet(const void *b, size_t len)
478 {
479 const uint8_t *buf = b, *l;
480 uint8_t c;
481 size_t i, j;
482
483 if (len == 0)
484 return;
485
486 len = min(len, 256);
487
488 printf("00: ");
489
490 for (i = 0, l = buf; i < len; i++) {
491 printf("%02x ", *buf++);
492
493 if ((i % 16) == 15) {
494 for (j = 0; j < 16; j++) {
495 c = *l++;
496 if (c < ' ' || c > 0x7e)
497 c = '.';
498 printf("%c", c);
499 }
500
501 printf("\n");
502 l = buf;
503
504 if ((i + 1) < len)
505 printf("%02x: ", (u_int)i + 1);
506 }
507 }
508
509 while ((i++ % 16) != 0)
510 printf(" ");
511
512 if (l < buf) {
513 while (l < buf) {
514 c = *l++;
515 if (c < ' ' || c > 0x7e)
516 c = '.';
517 printf("%c", c);
518 }
519
520 printf("\n");
521 }
522 }
523 #endif
524
525 static usbd_status
526 utoppy_bulk_transfer(usbd_xfer_handle xfer, usbd_pipe_handle pipe,
527 u_int16_t flags, u_int32_t timeout, void *buf, u_int32_t *size,
528 const char *lbl)
529 {
530 usbd_status err;
531
532 usbd_setup_xfer(xfer, pipe, 0, buf, *size, flags, timeout, NULL);
533
534 err = usbd_sync_transfer_sig(xfer);
535
536 usbd_get_xfer_status(xfer, NULL, NULL, size, NULL);
537 return (err);
538 }
539
540 static int
541 utoppy_send_packet(struct utoppy_softc *sc, uint16_t cmd, uint32_t timeout)
542 {
543 struct utoppy_header *h;
544 usbd_status err;
545 uint32_t len;
546 uint16_t dlen, crc;
547 uint8_t *data, *e, t1, t2;
548
549 h = sc->sc_out_data;
550
551 DPRINTF(UTOPPY_DBG_SEND_PACKET, ("%s: utoppy_send_packet: cmd 0x%04x, "
552 "len %d\n", device_xname(sc->sc_dev), (u_int)cmd, h->h_len));
553
554 dlen = h->h_len;
555 len = dlen + UTOPPY_HEADER_SIZE;
556
557 if (len & 1)
558 len++;
559 if ((len % 64) == 0)
560 len += 2;
561
562 if (len >= UTOPPY_BSIZE) {
563 DPRINTF(UTOPPY_DBG_SEND_PACKET, ("%s: utoppy_send_packet: "
564 "packet too big (%d)\n", device_xname(sc->sc_dev), (int)len));
565 return (EINVAL);
566 }
567
568 h->h_len = htole16(dlen + UTOPPY_HEADER_SIZE);
569 h->h_cmd2 = 0;
570 h->h_cmd = htole16(cmd);
571
572 /* The command word is part of the CRC */
573 crc = UTOPPY_CRC16(0, 0);
574 crc = UTOPPY_CRC16(crc, 0);
575 crc = UTOPPY_CRC16(crc, cmd >> 8);
576 crc = UTOPPY_CRC16(crc, cmd);
577
578 /*
579 * If there is data following the header, calculate the CRC and
580 * byte-swap as we go.
581 */
582 if (dlen) {
583 data = h->h_data;
584 e = data + (dlen & ~1);
585
586 do {
587 t1 = data[0];
588 t2 = data[1];
589 crc = UTOPPY_CRC16(crc, t1);
590 crc = UTOPPY_CRC16(crc, t2);
591 *data++ = t2;
592 *data++ = t1;
593 } while (data < e);
594
595 if (dlen & 1) {
596 t1 = data[0];
597 crc = UTOPPY_CRC16(crc, t1);
598 data[1] = t1;
599 }
600 }
601
602 h->h_crc = htole16(crc);
603 data = sc->sc_out_data;
604
605 DPRINTF(UTOPPY_DBG_SEND_PACKET, ("%s: utoppy_send_packet: total len "
606 "%d...\n", device_xname(sc->sc_dev), (int)len));
607 DDUMP_PACKET(data, len);
608
609 do {
610 uint32_t thislen;
611
612 thislen = min(len, UTOPPY_FRAG_SIZE);
613
614 memcpy(sc->sc_out_buf, data, thislen);
615
616 err = utoppy_bulk_transfer(sc->sc_out_xfer, sc->sc_out_pipe,
617 USBD_NO_COPY, timeout, sc->sc_out_buf, &thislen,
618 "utoppytx");
619
620 if (thislen != min(len, UTOPPY_FRAG_SIZE)) {
621 DPRINTF(UTOPPY_DBG_SEND_PACKET, ("%s: "
622 "utoppy_send_packet: sent %ld, err %d\n",
623 device_xname(sc->sc_dev), (u_long)thislen, err));
624 }
625
626 if (err == 0) {
627 len -= thislen;
628 data += thislen;
629 }
630 } while (err == 0 && len);
631
632 DPRINTF(UTOPPY_DBG_SEND_PACKET, ("%s: utoppy_send_packet: "
633 "usbd_bulk_transfer() returned %d.\n", device_xname(sc->sc_dev),err));
634
635 return (err ? utoppy_usbd_status2errno(err) : 0);
636 }
637
638 static int
639 utoppy_recv_packet(struct utoppy_softc *sc, uint16_t *respp, uint32_t timeout)
640 {
641 struct utoppy_header *h;
642 usbd_status err;
643 uint32_t len, thislen, requested, bytesleft;
644 uint16_t crc;
645 uint8_t *data, *e, t1, t2;
646
647 data = sc->sc_in_data;
648 len = 0;
649 bytesleft = UTOPPY_BSIZE;
650
651 DPRINTF(UTOPPY_DBG_RECV_PACKET, ("%s: utoppy_recv_packet: ...\n",
652 device_xname(sc->sc_dev)));
653
654 do {
655 requested = thislen = min(bytesleft, UTOPPY_FRAG_SIZE);
656
657 err = utoppy_bulk_transfer(sc->sc_in_xfer, sc->sc_in_pipe,
658 USBD_NO_COPY | USBD_SHORT_XFER_OK, timeout, sc->sc_in_buf,
659 &thislen, "utoppyrx");
660
661 DPRINTF(UTOPPY_DBG_RECV_PACKET, ("%s: utoppy_recv_packet: "
662 "usbd_bulk_transfer() returned %d, thislen %d, data %p\n",
663 device_xname(sc->sc_dev), err, (u_int)thislen, data));
664
665 if (err == 0) {
666 memcpy(data, sc->sc_in_buf, thislen);
667 DDUMP_PACKET(data, thislen);
668 len += thislen;
669 bytesleft -= thislen;
670 data += thislen;
671 }
672 } while (err == 0 && bytesleft && thislen == requested);
673
674 if (err)
675 return (utoppy_usbd_status2errno(err));
676
677 h = sc->sc_in_data;
678
679 DPRINTF(UTOPPY_DBG_RECV_PACKET, ("%s: utoppy_recv_packet: received %d "
680 "bytes in total to %p\n", device_xname(sc->sc_dev), (u_int)len, h));
681 DDUMP_PACKET(h, len);
682
683 if (len < UTOPPY_HEADER_SIZE || len < (uint32_t)le16toh(h->h_len)) {
684 DPRINTF(UTOPPY_DBG_RECV_PACKET, ("%s: utoppy_recv_packet: bad "
685 " length (len %d, h_len %d)\n", device_xname(sc->sc_dev),
686 (int)len, le16toh(h->h_len)));
687 return (EIO);
688 }
689
690 len = h->h_len = le16toh(h->h_len);
691 h->h_crc = le16toh(h->h_crc);
692 *respp = h->h_cmd = le16toh(h->h_cmd);
693 h->h_cmd2 = le16toh(h->h_cmd2);
694
695 /*
696 * To maximise data throughput when transferring files, acknowledge
697 * data blocks as soon as we receive them. If we detect an error
698 * later on, we can always cancel.
699 */
700 if (*respp == UTOPPY_RESP_FILE_DATA) {
701 DPRINTF(UTOPPY_DBG_RECV_PACKET, ("%s: utoppy_recv_packet: "
702 "ACKing file data\n", device_xname(sc->sc_dev)));
703
704 UTOPPY_OUT_INIT(sc);
705 err = utoppy_send_packet(sc, UTOPPY_CMD_ACK,
706 UTOPPY_SHORT_TIMEOUT);
707 if (err) {
708 DPRINTF(UTOPPY_DBG_RECV_PACKET, ("%s: "
709 "utoppy_recv_packet: failed to ACK file data: %d\n",
710 device_xname(sc->sc_dev), err));
711 return (err);
712 }
713 }
714
715 /* The command word is part of the CRC */
716 crc = UTOPPY_CRC16(0, h->h_cmd2 >> 8);
717 crc = UTOPPY_CRC16(crc, h->h_cmd2);
718 crc = UTOPPY_CRC16(crc, h->h_cmd >> 8);
719 crc = UTOPPY_CRC16(crc, h->h_cmd);
720
721 /*
722 * Extract any payload, byte-swapping and calculating the CRC16
723 * as we go.
724 */
725 if (len > UTOPPY_HEADER_SIZE) {
726 data = h->h_data;
727 e = data + ((len & ~1) - UTOPPY_HEADER_SIZE);
728
729 while (data < e) {
730 t1 = data[0];
731 t2 = data[1];
732 crc = UTOPPY_CRC16(crc, t2);
733 crc = UTOPPY_CRC16(crc, t1);
734 *data++ = t2;
735 *data++ = t1;
736 }
737
738 if (len & 1) {
739 t1 = data[1];
740 crc = UTOPPY_CRC16(crc, t1);
741 *data = t1;
742 }
743 }
744
745 sc->sc_in_len = (size_t) len - UTOPPY_HEADER_SIZE;
746 sc->sc_in_offset = 0;
747
748 DPRINTF(UTOPPY_DBG_RECV_PACKET, ("%s: utoppy_recv_packet: len %d, "
749 "crc 0x%04x, hdrcrc 0x%04x\n", device_xname(sc->sc_dev),
750 (int)len, crc, h->h_crc));
751 DDUMP_PACKET(h, len);
752
753 return ((crc == h->h_crc) ? 0 : EBADMSG);
754 }
755
756 static __inline void *
757 utoppy_current_ptr(void *b)
758 {
759 struct utoppy_header *h = b;
760
761 return (&h->h_data[h->h_len]);
762 }
763
764 static __inline void
765 utoppy_advance_ptr(void *b, size_t len)
766 {
767 struct utoppy_header *h = b;
768
769 h->h_len += len;
770 }
771
772 static __inline void
773 utoppy_add_8(struct utoppy_softc *sc, uint8_t v)
774 {
775 struct utoppy_header *h = sc->sc_out_data;
776 uint8_t *p;
777
778 p = utoppy_current_ptr(h);
779 *p = v;
780 utoppy_advance_ptr(h, sizeof(v));
781 }
782
783 static __inline void
784 utoppy_add_16(struct utoppy_softc *sc, uint16_t v)
785 {
786 struct utoppy_header *h = sc->sc_out_data;
787 uint8_t *p;
788
789 p = utoppy_current_ptr(h);
790 *p++ = (uint8_t)(v >> 8);
791 *p = (uint8_t)v;
792 utoppy_advance_ptr(h, sizeof(v));
793 }
794
795 static __inline void
796 utoppy_add_32(struct utoppy_softc *sc, uint32_t v)
797 {
798 struct utoppy_header *h = sc->sc_out_data;
799 uint8_t *p;
800
801 p = utoppy_current_ptr(h);
802 *p++ = (uint8_t)(v >> 24);
803 *p++ = (uint8_t)(v >> 16);
804 *p++ = (uint8_t)(v >> 8);
805 *p = (uint8_t)v;
806 utoppy_advance_ptr(h, sizeof(v));
807 }
808
809 static __inline void
810 utoppy_add_64(struct utoppy_softc *sc, uint64_t v)
811 {
812 struct utoppy_header *h = sc->sc_out_data;
813 uint8_t *p;
814
815 p = utoppy_current_ptr(h);
816 *p++ = (uint8_t)(v >> 56);
817 *p++ = (uint8_t)(v >> 48);
818 *p++ = (uint8_t)(v >> 40);
819 *p++ = (uint8_t)(v >> 32);
820 *p++ = (uint8_t)(v >> 24);
821 *p++ = (uint8_t)(v >> 16);
822 *p++ = (uint8_t)(v >> 8);
823 *p = (uint8_t)v;
824 utoppy_advance_ptr(h, sizeof(v));
825 }
826
827 static __inline void
828 utoppy_add_string(struct utoppy_softc *sc, const char *str, size_t len)
829 {
830 struct utoppy_header *h = sc->sc_out_data;
831 char *p;
832
833 p = utoppy_current_ptr(h);
834 memset(p, 0, len);
835 strncpy(p, str, len);
836 utoppy_advance_ptr(h, len);
837 }
838
839 static int
840 utoppy_add_path(struct utoppy_softc *sc, const char *path, int putlen)
841 {
842 struct utoppy_header *h = sc->sc_out_data;
843 uint8_t *p, *str, *s;
844 size_t len;
845 int err;
846
847 p = utoppy_current_ptr(h);
848
849 str = putlen ? (p + sizeof(uint16_t)) : p;
850
851 err = copyinstr(path, str, UTOPPY_MAX_FILENAME_LEN, &len);
852
853 DPRINTF(UTOPPY_DBG_ADDPATH, ("utoppy_add_path: err %d, len %d\n",
854 err, (int)len));
855
856 if (err)
857 return (err);
858
859 if (len < 2)
860 return (EINVAL);
861
862 /*
863 * copyinstr(9) has already copied the terminating NUL character,
864 * but we append another one in case we have to pad the length
865 * later on.
866 */
867 str[len] = '\0';
868
869 /*
870 * The Toppy uses backslash as the directory separator, so convert
871 * all forward slashes.
872 */
873 for (s = &str[len - 2]; s >= str; s--)
874 if (*s == '/')
875 *s = '\\';
876
877 if ((len + h->h_len) & 1)
878 len++;
879
880 if (putlen)
881 utoppy_add_16(sc, len);
882
883 utoppy_advance_ptr(h, len);
884
885 DPRINTF(UTOPPY_DBG_ADDPATH, ("utoppy_add_path: final len %d\n",
886 (u_int)len));
887
888 return (0);
889 }
890
891 static __inline int
892 utoppy_get_8(struct utoppy_softc *sc, uint8_t *vp)
893 {
894 uint8_t *p;
895
896 if (sc->sc_in_len < sizeof(*vp))
897 return (1);
898
899 p = UTOPPY_IN_DATA(sc);
900 *vp = *p;
901 sc->sc_in_offset += sizeof(*vp);
902 sc->sc_in_len -= sizeof(*vp);
903 return (0);
904 }
905
906 static __inline int
907 utoppy_get_16(struct utoppy_softc *sc, uint16_t *vp)
908 {
909 uint16_t v;
910 uint8_t *p;
911
912 if (sc->sc_in_len < sizeof(v))
913 return (1);
914
915 p = UTOPPY_IN_DATA(sc);
916 v = *p++;
917 v = (v << 8) | *p;
918 *vp = v;
919 sc->sc_in_offset += sizeof(v);
920 sc->sc_in_len -= sizeof(v);
921 return (0);
922 }
923
924 static __inline int
925 utoppy_get_32(struct utoppy_softc *sc, uint32_t *vp)
926 {
927 uint32_t v;
928 uint8_t *p;
929
930 if (sc->sc_in_len < sizeof(v))
931 return (1);
932
933 p = UTOPPY_IN_DATA(sc);
934 v = *p++;
935 v = (v << 8) | *p++;
936 v = (v << 8) | *p++;
937 v = (v << 8) | *p;
938 *vp = v;
939 sc->sc_in_offset += sizeof(v);
940 sc->sc_in_len -= sizeof(v);
941 return (0);
942 }
943
944 static __inline int
945 utoppy_get_64(struct utoppy_softc *sc, uint64_t *vp)
946 {
947 uint64_t v;
948 uint8_t *p;
949
950 if (sc->sc_in_len < sizeof(v))
951 return (1);
952
953 p = UTOPPY_IN_DATA(sc);
954 v = *p++;
955 v = (v << 8) | *p++;
956 v = (v << 8) | *p++;
957 v = (v << 8) | *p++;
958 v = (v << 8) | *p++;
959 v = (v << 8) | *p++;
960 v = (v << 8) | *p++;
961 v = (v << 8) | *p;
962 *vp = v;
963 sc->sc_in_offset += sizeof(v);
964 sc->sc_in_len -= sizeof(v);
965 return (0);
966 }
967
968 static __inline int
969 utoppy_get_string(struct utoppy_softc *sc, char *str, size_t len)
970 {
971 char *p;
972
973 if (sc->sc_in_len < len)
974 return (1);
975
976 memset(str, 0, len);
977 p = UTOPPY_IN_DATA(sc);
978 strncpy(str, p, len);
979 sc->sc_in_offset += len;
980 sc->sc_in_len -= len;
981 return (0);
982 }
983
984 static int
985 utoppy_command(struct utoppy_softc *sc, uint16_t cmd, int timeout,
986 uint16_t *presp)
987 {
988 int err;
989
990 err = utoppy_send_packet(sc, cmd, timeout);
991 if (err)
992 return (err);
993
994 err = utoppy_recv_packet(sc, presp, timeout);
995 if (err == EBADMSG) {
996 UTOPPY_OUT_INIT(sc);
997 utoppy_send_packet(sc, UTOPPY_RESP_ERROR, timeout);
998 }
999
1000 return (err);
1001 }
1002
1003 static int
1004 utoppy_timestamp_decode(struct utoppy_softc *sc, time_t *tp)
1005 {
1006 uint16_t mjd;
1007 uint8_t hour, minute, sec;
1008 uint32_t rv;
1009
1010 if (utoppy_get_16(sc, &mjd) || utoppy_get_8(sc, &hour) ||
1011 utoppy_get_8(sc, &minute) || utoppy_get_8(sc, &sec))
1012 return (1);
1013
1014 if (mjd == 0xffffu && hour == 0xffu && minute == 0xffu && sec == 0xffu){
1015 *tp = 0;
1016 return (0);
1017 }
1018
1019 rv = (mjd < UTOPPY_MJD_1970) ? UTOPPY_MJD_1970 : (uint32_t) mjd;
1020
1021 /* Calculate seconds since 1970 */
1022 rv = (rv - UTOPPY_MJD_1970) * 60 * 60 * 24;
1023
1024 /* Add in the hours, minutes, and seconds */
1025 rv += (uint32_t)hour * 60 * 60;
1026 rv += (uint32_t)minute * 60;
1027 rv += sec;
1028 *tp = (time_t)rv;
1029
1030 return (0);
1031 }
1032
1033 static void
1034 utoppy_timestamp_encode(struct utoppy_softc *sc, time_t t)
1035 {
1036 u_int mjd, hour, minute;
1037
1038 mjd = t / (60 * 60 * 24);
1039 t -= mjd * 60 * 60 * 24;
1040
1041 hour = t / (60 * 60);
1042 t -= hour * 60 * 60;
1043
1044 minute = t / 60;
1045 t -= minute * 60;
1046
1047 utoppy_add_16(sc, mjd + UTOPPY_MJD_1970);
1048 utoppy_add_8(sc, hour);
1049 utoppy_add_8(sc, minute);
1050 utoppy_add_8(sc, t);
1051 }
1052
1053 static int
1054 utoppy_turbo_mode(struct utoppy_softc *sc, int state)
1055 {
1056 uint16_t r;
1057 int err;
1058
1059 UTOPPY_OUT_INIT(sc);
1060 utoppy_add_32(sc, state);
1061
1062 err = utoppy_command(sc, UTOPPY_CMD_TURBO, UTOPPY_SHORT_TIMEOUT, &r);
1063 if (err)
1064 return (err);
1065
1066 return ((r == UTOPPY_RESP_SUCCESS) ? 0 : EIO);
1067 }
1068
1069 static int
1070 utoppy_check_ready(struct utoppy_softc *sc)
1071 {
1072 uint16_t r;
1073 int err;
1074
1075 UTOPPY_OUT_INIT(sc);
1076
1077 err = utoppy_command(sc, UTOPPY_CMD_READY, UTOPPY_LONG_TIMEOUT, &r);
1078 if (err)
1079 return (err);
1080
1081 return ((r == UTOPPY_RESP_SUCCESS) ? 0 : EIO);
1082 }
1083
1084 static int
1085 utoppy_cancel(struct utoppy_softc *sc)
1086 {
1087 uint16_t r;
1088 int err, i;
1089
1090 /*
1091 * Issue the cancel command serveral times. the Toppy doesn't
1092 * always respond to the first.
1093 */
1094 for (i = 0; i < 3; i++) {
1095 UTOPPY_OUT_INIT(sc);
1096 err = utoppy_command(sc, UTOPPY_CMD_CANCEL,
1097 UTOPPY_SHORT_TIMEOUT, &r);
1098 if (err == 0 && r == UTOPPY_RESP_SUCCESS)
1099 break;
1100 err = ETIMEDOUT;
1101 }
1102
1103 if (err)
1104 return (err);
1105
1106 /*
1107 * Make sure turbo mode is off, otherwise the Toppy will not
1108 * respond to remote control input.
1109 */
1110 (void) utoppy_turbo_mode(sc, 0);
1111
1112 sc->sc_state = UTOPPY_STATE_IDLE;
1113 return (0);
1114 }
1115
1116 static int
1117 utoppy_stats(struct utoppy_softc *sc, struct utoppy_stats *us)
1118 {
1119 uint32_t hsize, hfree;
1120 uint16_t r;
1121 int err;
1122
1123 UTOPPY_OUT_INIT(sc);
1124 err = utoppy_command(sc, UTOPPY_CMD_STATS, UTOPPY_LONG_TIMEOUT, &r);
1125 if (err)
1126 return (err);
1127
1128 if (r != UTOPPY_RESP_STATS_DATA)
1129 return (EIO);
1130
1131 if (utoppy_get_32(sc, &hsize) || utoppy_get_32(sc, &hfree))
1132 return (EIO);
1133
1134 us->us_hdd_size = hsize;
1135 us->us_hdd_size *= 1024;
1136 us->us_hdd_free = hfree;
1137 us->us_hdd_free *= 1024;
1138
1139 return (0);
1140 }
1141
1142 static int
1143 utoppy_readdir_next(struct utoppy_softc *sc)
1144 {
1145 uint16_t resp;
1146 int err;
1147
1148 DPRINTF(UTOPPY_DBG_READDIR, ("%s: utoppy_readdir_next: running...\n",
1149 device_xname(sc->sc_dev)));
1150
1151 /*
1152 * Fetch the next READDIR response
1153 */
1154 err = utoppy_recv_packet(sc, &resp, UTOPPY_LONG_TIMEOUT);
1155 if (err) {
1156 DPRINTF(UTOPPY_DBG_READDIR, ("%s: utoppy_readdir_next: "
1157 "utoppy_recv_packet() returned %d\n",
1158 device_xname(sc->sc_dev), err));
1159 if (err == EBADMSG) {
1160 UTOPPY_OUT_INIT(sc);
1161 utoppy_send_packet(sc, UTOPPY_RESP_ERROR,
1162 UTOPPY_LONG_TIMEOUT);
1163 }
1164 utoppy_cancel(sc);
1165 return (err);
1166 }
1167
1168 DPRINTF(UTOPPY_DBG_READDIR, ("%s: utoppy_readdir_next: "
1169 "utoppy_recv_packet() returned %d, len %ld\n",
1170 device_xname(sc->sc_dev), err, (u_long)sc->sc_in_len));
1171
1172 switch (resp) {
1173 case UTOPPY_RESP_READDIR_DATA:
1174 DPRINTF(UTOPPY_DBG_READDIR, ("%s: utoppy_readdir_next: "
1175 "UTOPPY_RESP_READDIR_DATA\n", device_xname(sc->sc_dev)));
1176
1177 UTOPPY_OUT_INIT(sc);
1178 err = utoppy_send_packet(sc, UTOPPY_CMD_ACK,
1179 UTOPPY_LONG_TIMEOUT);
1180 if (err) {
1181 DPRINTF(UTOPPY_DBG_READDIR, ("%s: utoppy_readdir_next: "
1182 "utoppy_send_packet(ACK) returned %d\n",
1183 device_xname(sc->sc_dev), err));
1184 utoppy_cancel(sc);
1185 return (err);
1186 }
1187 sc->sc_state = UTOPPY_STATE_READDIR;
1188 sc->sc_in_offset = 0;
1189 break;
1190
1191 case UTOPPY_RESP_READDIR_END:
1192 DPRINTF(UTOPPY_DBG_READDIR, ("%s: utoppy_readdir_next: "
1193 "UTOPPY_RESP_READDIR_END\n", device_xname(sc->sc_dev)));
1194
1195 UTOPPY_OUT_INIT(sc);
1196 utoppy_send_packet(sc, UTOPPY_CMD_ACK, UTOPPY_SHORT_TIMEOUT);
1197 sc->sc_state = UTOPPY_STATE_IDLE;
1198 sc->sc_in_len = 0;
1199 break;
1200
1201 default:
1202 DPRINTF(UTOPPY_DBG_READDIR, ("%s: utoppy_readdir_next: "
1203 "bad response: 0x%x\n", device_xname(sc->sc_dev), resp));
1204 sc->sc_state = UTOPPY_STATE_IDLE;
1205 sc->sc_in_len = 0;
1206 return (EIO);
1207 }
1208
1209 return (0);
1210 }
1211
1212 static size_t
1213 utoppy_readdir_decode(struct utoppy_softc *sc, struct utoppy_dirent *ud)
1214 {
1215 uint8_t ftype;
1216
1217 DPRINTF(UTOPPY_DBG_READDIR, ("%s: utoppy_readdir_decode: bytes left"
1218 " %d\n", device_xname(sc->sc_dev), (int)sc->sc_in_len));
1219
1220 if (utoppy_timestamp_decode(sc, &ud->ud_mtime) ||
1221 utoppy_get_8(sc, &ftype) || utoppy_get_64(sc, &ud->ud_size) ||
1222 utoppy_get_string(sc, ud->ud_path, UTOPPY_MAX_FILENAME_LEN + 1) ||
1223 utoppy_get_32(sc, &ud->ud_attributes)) {
1224 DPRINTF(UTOPPY_DBG_READDIR, ("%s: utoppy_readdir_decode: no "
1225 "more to decode\n", device_xname(sc->sc_dev)));
1226 return (0);
1227 }
1228
1229 switch (ftype) {
1230 case UTOPPY_FTYPE_DIR:
1231 ud->ud_type = UTOPPY_DIRENT_DIRECTORY;
1232 break;
1233 case UTOPPY_FTYPE_FILE:
1234 ud->ud_type = UTOPPY_DIRENT_FILE;
1235 break;
1236 default:
1237 ud->ud_type = UTOPPY_DIRENT_UNKNOWN;
1238 break;
1239 }
1240
1241 DPRINTF(UTOPPY_DBG_READDIR, ("%s: utoppy_readdir_decode: %s '%s', "
1242 "size %lld, time 0x%08lx, attr 0x%08x\n", device_xname(sc->sc_dev),
1243 (ftype == UTOPPY_FTYPE_DIR) ? "DIR" :
1244 ((ftype == UTOPPY_FTYPE_FILE) ? "FILE" : "UNKNOWN"), ud->ud_path,
1245 ud->ud_size, (u_long)ud->ud_mtime, ud->ud_attributes));
1246
1247 return (1);
1248 }
1249
1250 static int
1251 utoppy_readfile_next(struct utoppy_softc *sc)
1252 {
1253 uint64_t off;
1254 uint16_t resp;
1255 int err;
1256
1257 err = utoppy_recv_packet(sc, &resp, UTOPPY_LONG_TIMEOUT);
1258 if (err) {
1259 DPRINTF(UTOPPY_DBG_READ, ("%s: utoppy_readfile_next: "
1260 "utoppy_recv_packet() returned %d\n",
1261 device_xname(sc->sc_dev), err));
1262 utoppy_cancel(sc);
1263 return (err);
1264 }
1265
1266 switch (resp) {
1267 case UTOPPY_RESP_FILE_HEADER:
1268 /* ACK it */
1269 UTOPPY_OUT_INIT(sc);
1270 err = utoppy_send_packet(sc, UTOPPY_CMD_ACK,
1271 UTOPPY_LONG_TIMEOUT);
1272 if (err) {
1273 DPRINTF(UTOPPY_DBG_READ, ("%s: utoppy_readfile_next: "
1274 "utoppy_send_packet(UTOPPY_CMD_ACK) returned %d\n",
1275 device_xname(sc->sc_dev), err));
1276 utoppy_cancel(sc);
1277 return (err);
1278 }
1279
1280 sc->sc_in_len = 0;
1281 DPRINTF(UTOPPY_DBG_READ, ("%s: utoppy_readfile_next: "
1282 "FILE_HEADER done\n", device_xname(sc->sc_dev)));
1283 break;
1284
1285 case UTOPPY_RESP_FILE_DATA:
1286 /* Already ACK'd */
1287 if (utoppy_get_64(sc, &off)) {
1288 DPRINTF(UTOPPY_DBG_READ, ("%s: utoppy_readfile_next: "
1289 "UTOPPY_RESP_FILE_DATA did not provide offset\n",
1290 device_xname(sc->sc_dev)));
1291 utoppy_cancel(sc);
1292 return (EBADMSG);
1293 }
1294
1295 DPRINTF(UTOPPY_DBG_READ, ("%s: utoppy_readfile_next: "
1296 "UTOPPY_RESP_FILE_DATA: offset %lld, bytes left %ld\n",
1297 device_xname(sc->sc_dev), off, (u_long)sc->sc_in_len));
1298 break;
1299
1300 case UTOPPY_RESP_FILE_END:
1301 DPRINTF(UTOPPY_DBG_READ, ("%s: utoppy_readfile_next: "
1302 "UTOPPY_RESP_FILE_END: sending ACK\n",
1303 device_xname(sc->sc_dev)));
1304 UTOPPY_OUT_INIT(sc);
1305 utoppy_send_packet(sc, UTOPPY_CMD_ACK, UTOPPY_SHORT_TIMEOUT);
1306 /*FALLTHROUGH*/
1307
1308 case UTOPPY_RESP_SUCCESS:
1309 sc->sc_state = UTOPPY_STATE_IDLE;
1310 (void) utoppy_turbo_mode(sc, 0);
1311 DPRINTF(UTOPPY_DBG_READ, ("%s: utoppy_readfile_next: all "
1312 "done\n", device_xname(sc->sc_dev)));
1313 break;
1314
1315 case UTOPPY_RESP_ERROR:
1316 default:
1317 DPRINTF(UTOPPY_DBG_READ, ("%s: utoppy_readfile_next: bad "
1318 "response code 0x%0x\n", device_xname(sc->sc_dev), resp));
1319 utoppy_cancel(sc);
1320 return (EIO);
1321 }
1322
1323 return (0);
1324 }
1325
1326 int
1327 utoppyopen(dev_t dev, int flag, int mode,
1328 struct lwp *l)
1329 {
1330 struct utoppy_softc *sc;
1331 int error = 0;
1332
1333 sc = device_lookup_private(&utoppy_cd, UTOPPYUNIT(dev));
1334 if (sc == NULL)
1335 return ENXIO;
1336
1337 if (sc == NULL || sc->sc_iface == NULL || sc->sc_dying)
1338 return (ENXIO);
1339
1340 if (sc->sc_state != UTOPPY_STATE_CLOSED) {
1341 DPRINTF(UTOPPY_DBG_OPEN, ("%s: utoppyopen: already open\n",
1342 device_xname(sc->sc_dev)));
1343 return (EBUSY);
1344 }
1345
1346 DPRINTF(UTOPPY_DBG_OPEN, ("%s: utoppyopen: opening...\n",
1347 device_xname(sc->sc_dev)));
1348
1349 sc->sc_refcnt++;
1350 sc->sc_state = UTOPPY_STATE_OPENING;
1351 sc->sc_turbo_mode = 0;
1352 sc->sc_out_pipe = NULL;
1353 sc->sc_in_pipe = NULL;
1354
1355 if (usbd_open_pipe(sc->sc_iface, sc->sc_out, 0, &sc->sc_out_pipe)) {
1356 DPRINTF(UTOPPY_DBG_OPEN, ("%s: utoppyopen: usbd_open_pipe(OUT) "
1357 "failed\n", device_xname(sc->sc_dev)));
1358 error = EIO;
1359 goto done;
1360 }
1361
1362 if (usbd_open_pipe(sc->sc_iface, sc->sc_in, 0, &sc->sc_in_pipe)) {
1363 DPRINTF(UTOPPY_DBG_OPEN, ("%s: utoppyopen: usbd_open_pipe(IN) "
1364 "failed\n", device_xname(sc->sc_dev)));
1365 error = EIO;
1366 usbd_close_pipe(sc->sc_out_pipe);
1367 sc->sc_out_pipe = NULL;
1368 goto done;
1369 }
1370
1371 sc->sc_out_data = malloc(UTOPPY_BSIZE + 1, M_DEVBUF, M_WAITOK);
1372 if (sc->sc_out_data == NULL) {
1373 error = ENOMEM;
1374 goto error;
1375 }
1376
1377 sc->sc_in_data = malloc(UTOPPY_BSIZE + 1, M_DEVBUF, M_WAITOK);
1378 if (sc->sc_in_data == NULL) {
1379 free(sc->sc_out_data, M_DEVBUF);
1380 sc->sc_out_data = NULL;
1381 error = ENOMEM;
1382 goto error;
1383 }
1384
1385 if ((error = utoppy_cancel(sc)) != 0)
1386 goto error;
1387
1388 if ((error = utoppy_check_ready(sc)) != 0) {
1389 DPRINTF(UTOPPY_DBG_OPEN, ("%s: utoppyopen: utoppy_check_ready()"
1390 " returned %d\n", device_xname(sc->sc_dev), error));
1391 error:
1392 usbd_abort_pipe(sc->sc_out_pipe);
1393 usbd_close_pipe(sc->sc_out_pipe);
1394 sc->sc_out_pipe = NULL;
1395 usbd_abort_pipe(sc->sc_in_pipe);
1396 usbd_close_pipe(sc->sc_in_pipe);
1397 sc->sc_in_pipe = NULL;
1398 }
1399
1400 done:
1401 sc->sc_state = error ? UTOPPY_STATE_CLOSED : UTOPPY_STATE_IDLE;
1402
1403 DPRINTF(UTOPPY_DBG_OPEN, ("%s: utoppyopen: done. error %d, new state "
1404 "'%s'\n", device_xname(sc->sc_dev), error,
1405 utoppy_state_string(sc->sc_state)));
1406
1407 if (--sc->sc_refcnt < 0)
1408 usb_detach_wakeupold(sc->sc_dev);
1409
1410 return (error);
1411 }
1412
1413 int
1414 utoppyclose(dev_t dev, int flag, int mode,
1415 struct lwp *l)
1416 {
1417 struct utoppy_softc *sc;
1418 usbd_status err;
1419
1420 sc = device_lookup_private(&utoppy_cd, UTOPPYUNIT(dev));
1421
1422 DPRINTF(UTOPPY_DBG_CLOSE, ("%s: utoppyclose: closing...\n",
1423 device_xname(sc->sc_dev)));
1424
1425 if (sc->sc_state < UTOPPY_STATE_IDLE) {
1426 /* We are being forced to close before the open completed. */
1427 DPRINTF(UTOPPY_DBG_CLOSE, ("%s: utoppyclose: not properly open:"
1428 " %s\n", device_xname(sc->sc_dev),
1429 utoppy_state_string(sc->sc_state)));
1430 return (0);
1431 }
1432
1433 if (sc->sc_out_data)
1434 (void) utoppy_cancel(sc);
1435
1436 if (sc->sc_out_pipe != NULL) {
1437 if ((err = usbd_abort_pipe(sc->sc_out_pipe)) != 0)
1438 printf("usbd_abort_pipe(OUT) returned %d\n", err);
1439 if ((err = usbd_close_pipe(sc->sc_out_pipe)) != 0)
1440 printf("usbd_close_pipe(OUT) returned %d\n", err);
1441 sc->sc_out_pipe = NULL;
1442 }
1443
1444 if (sc->sc_in_pipe != NULL) {
1445 if ((err = usbd_abort_pipe(sc->sc_in_pipe)) != 0)
1446 printf("usbd_abort_pipe(IN) returned %d\n", err);
1447 if ((err = usbd_close_pipe(sc->sc_in_pipe)) != 0)
1448 printf("usbd_close_pipe(IN) returned %d\n", err);
1449 sc->sc_in_pipe = NULL;
1450 }
1451
1452 if (sc->sc_out_data) {
1453 free(sc->sc_out_data, M_DEVBUF);
1454 sc->sc_out_data = NULL;
1455 }
1456
1457 if (sc->sc_in_data) {
1458 free(sc->sc_in_data, M_DEVBUF);
1459 sc->sc_in_data = NULL;
1460 }
1461
1462 sc->sc_state = UTOPPY_STATE_CLOSED;
1463
1464 DPRINTF(UTOPPY_DBG_CLOSE, ("%s: utoppyclose: done.\n",
1465 device_xname(sc->sc_dev)));
1466
1467 return (0);
1468 }
1469
1470 int
1471 utoppyread(dev_t dev, struct uio *uio, int flags)
1472 {
1473 struct utoppy_softc *sc;
1474 struct utoppy_dirent ud;
1475 size_t len;
1476 int err;
1477
1478 sc = device_lookup_private(&utoppy_cd, UTOPPYUNIT(dev));
1479
1480 if (sc->sc_dying)
1481 return (EIO);
1482
1483 sc->sc_refcnt++;
1484
1485 DPRINTF(UTOPPY_DBG_READ, ("%s: utoppyread: reading: state '%s'\n",
1486 device_xname(sc->sc_dev), utoppy_state_string(sc->sc_state)));
1487
1488 switch (sc->sc_state) {
1489 case UTOPPY_STATE_READDIR:
1490 err = 0;
1491 while (err == 0 && uio->uio_resid >= sizeof(ud) &&
1492 sc->sc_state != UTOPPY_STATE_IDLE) {
1493 if (utoppy_readdir_decode(sc, &ud) == 0)
1494 err = utoppy_readdir_next(sc);
1495 else
1496 if ((err = uiomove(&ud, sizeof(ud), uio)) != 0)
1497 utoppy_cancel(sc);
1498 }
1499 break;
1500
1501 case UTOPPY_STATE_READFILE:
1502 err = 0;
1503 while (err == 0 && uio->uio_resid > 0 &&
1504 sc->sc_state != UTOPPY_STATE_IDLE) {
1505 DPRINTF(UTOPPY_DBG_READ, ("%s: utoppyread: READFILE: "
1506 "resid %ld, bytes_left %ld\n",
1507 device_xname(sc->sc_dev), (u_long)uio->uio_resid,
1508 (u_long)sc->sc_in_len));
1509
1510 if (sc->sc_in_len == 0 &&
1511 (err = utoppy_readfile_next(sc)) != 0) {
1512 DPRINTF(UTOPPY_DBG_READ, ("%s: utoppyread: "
1513 "READFILE: utoppy_readfile_next returned "
1514 "%d\n", device_xname(sc->sc_dev), err));
1515 break;
1516 }
1517
1518 len = min(uio->uio_resid, sc->sc_in_len);
1519 if (len) {
1520 err = uiomove(UTOPPY_IN_DATA(sc), len, uio);
1521 if (err == 0) {
1522 sc->sc_in_offset += len;
1523 sc->sc_in_len -= len;
1524 }
1525 }
1526 }
1527 break;
1528
1529 case UTOPPY_STATE_IDLE:
1530 err = 0;
1531 break;
1532
1533 case UTOPPY_STATE_WRITEFILE:
1534 err = EBUSY;
1535 break;
1536
1537 default:
1538 err = EIO;
1539 break;
1540 }
1541
1542 DPRINTF(UTOPPY_DBG_READ, ("%s: utoppyread: done. err %d, state '%s'\n",
1543 device_xname(sc->sc_dev), err, utoppy_state_string(sc->sc_state)));
1544
1545 if (--sc->sc_refcnt < 0)
1546 usb_detach_wakeupold(sc->sc_dev);
1547
1548 return (err);
1549 }
1550
1551 int
1552 utoppywrite(dev_t dev, struct uio *uio, int flags)
1553 {
1554 struct utoppy_softc *sc;
1555 uint16_t resp;
1556 size_t len;
1557 int err;
1558
1559 sc = device_lookup_private(&utoppy_cd, UTOPPYUNIT(dev));
1560
1561 if (sc->sc_dying)
1562 return (EIO);
1563
1564 switch(sc->sc_state) {
1565 case UTOPPY_STATE_WRITEFILE:
1566 break;
1567
1568 case UTOPPY_STATE_IDLE:
1569 return (0);
1570
1571 default:
1572 return (EIO);
1573 }
1574
1575 sc->sc_refcnt++;
1576 err = 0;
1577
1578 DPRINTF(UTOPPY_DBG_WRITE, ("%s: utoppywrite: PRE-WRITEFILE: resid %ld, "
1579 "wr_size %lld, wr_offset %lld\n", device_xname(sc->sc_dev),
1580 (u_long)uio->uio_resid, sc->sc_wr_size, sc->sc_wr_offset));
1581
1582 while (sc->sc_state == UTOPPY_STATE_WRITEFILE &&
1583 (len = min(uio->uio_resid, sc->sc_wr_size)) != 0) {
1584
1585 len = min(len, UTOPPY_BSIZE - (UTOPPY_HEADER_SIZE +
1586 sizeof(uint64_t) + 3));
1587
1588 DPRINTF(UTOPPY_DBG_WRITE, ("%s: utoppywrite: uiomove(%ld)\n",
1589 device_xname(sc->sc_dev), (u_long)len));
1590
1591 UTOPPY_OUT_INIT(sc);
1592 utoppy_add_64(sc, sc->sc_wr_offset);
1593
1594 err = uiomove(utoppy_current_ptr(sc->sc_out_data), len, uio);
1595 if (err) {
1596 DPRINTF(UTOPPY_DBG_WRITE, ("%s: utoppywrite: uiomove() "
1597 "returned %d\n", device_xname(sc->sc_dev), err));
1598 break;
1599 }
1600
1601 utoppy_advance_ptr(sc->sc_out_data, len);
1602
1603 err = utoppy_command(sc, UTOPPY_RESP_FILE_DATA,
1604 UTOPPY_LONG_TIMEOUT, &resp);
1605 if (err) {
1606 DPRINTF(UTOPPY_DBG_WRITE, ("%s: utoppywrite: "
1607 "utoppy_command(UTOPPY_RESP_FILE_DATA) "
1608 "returned %d\n", device_xname(sc->sc_dev), err));
1609 break;
1610 }
1611 if (resp != UTOPPY_RESP_SUCCESS) {
1612 DPRINTF(UTOPPY_DBG_WRITE, ("%s: utoppywrite: "
1613 "utoppy_command(UTOPPY_RESP_FILE_DATA) returned "
1614 "bad response 0x%x\n", device_xname(sc->sc_dev),
1615 resp));
1616 utoppy_cancel(sc);
1617 err = EIO;
1618 break;
1619 }
1620
1621 sc->sc_wr_offset += len;
1622 sc->sc_wr_size -= len;
1623 }
1624
1625 DPRINTF(UTOPPY_DBG_WRITE, ("%s: utoppywrite: POST-WRITEFILE: resid %ld,"
1626 " wr_size %lld, wr_offset %lld, err %d\n", device_xname(sc->sc_dev),
1627 (u_long)uio->uio_resid, sc->sc_wr_size, sc->sc_wr_offset, err));
1628
1629 if (err == 0 && sc->sc_wr_size == 0) {
1630 DPRINTF(UTOPPY_DBG_WRITE, ("%s: utoppywrite: sending "
1631 "FILE_END...\n", device_xname(sc->sc_dev)));
1632 UTOPPY_OUT_INIT(sc);
1633 err = utoppy_command(sc, UTOPPY_RESP_FILE_END,
1634 UTOPPY_LONG_TIMEOUT, &resp);
1635 if (err) {
1636 DPRINTF(UTOPPY_DBG_WRITE, ("%s: utoppywrite: "
1637 "utoppy_command(UTOPPY_RESP_FILE_END) returned "
1638 "%d\n", device_xname(sc->sc_dev), err));
1639
1640 utoppy_cancel(sc);
1641 }
1642
1643 sc->sc_state = UTOPPY_STATE_IDLE;
1644 DPRINTF(UTOPPY_DBG_WRITE, ("%s: utoppywrite: state %s\n",
1645 device_xname(sc->sc_dev), utoppy_state_string(sc->sc_state)));
1646 }
1647
1648 if (--sc->sc_refcnt < 0)
1649 usb_detach_wakeupold(sc->sc_dev);
1650
1651 return (err);
1652 }
1653
1654 int
1655 utoppyioctl(dev_t dev, u_long cmd, void *data, int flag,
1656 struct lwp *l)
1657 {
1658 struct utoppy_softc *sc;
1659 struct utoppy_rename *ur;
1660 struct utoppy_readfile *urf;
1661 struct utoppy_writefile *uw;
1662 char uwf[UTOPPY_MAX_FILENAME_LEN + 1], *uwfp;
1663 uint16_t resp;
1664 int err;
1665
1666 sc = device_lookup_private(&utoppy_cd, UTOPPYUNIT(dev));
1667
1668 if (sc->sc_dying)
1669 return (EIO);
1670
1671 DPRINTF(UTOPPY_DBG_IOCTL, ("%s: utoppyioctl: cmd 0x%08lx, state '%s'\n",
1672 device_xname(sc->sc_dev), cmd, utoppy_state_string(sc->sc_state)));
1673
1674 if (sc->sc_state != UTOPPY_STATE_IDLE && cmd != UTOPPYIOCANCEL) {
1675 DPRINTF(UTOPPY_DBG_IOCTL, ("%s: utoppyioctl: still busy.\n",
1676 device_xname(sc->sc_dev)));
1677 return (EBUSY);
1678 }
1679
1680 sc->sc_refcnt++;
1681
1682 switch (cmd) {
1683 case UTOPPYIOTURBO:
1684 err = 0;
1685 sc->sc_turbo_mode = *((int *)data) ? 1 : 0;
1686 DPRINTF(UTOPPY_DBG_IOCTL, ("%s: utoppyioctl: UTOPPYIOTURBO: "
1687 "%s\n", device_xname(sc->sc_dev), sc->sc_turbo_mode ? "On" :
1688 "Off"));
1689 break;
1690
1691 case UTOPPYIOCANCEL:
1692 DPRINTF(UTOPPY_DBG_IOCTL, ("%s: utoppyioctl: UTOPPYIOCANCEL\n",
1693 device_xname(sc->sc_dev)));
1694 err = utoppy_cancel(sc);
1695 break;
1696
1697 case UTOPPYIOREBOOT:
1698 DPRINTF(UTOPPY_DBG_IOCTL, ("%s: utoppyioctl: UTOPPYIOREBOOT\n",
1699 device_xname(sc->sc_dev)));
1700 UTOPPY_OUT_INIT(sc);
1701 err = utoppy_command(sc, UTOPPY_CMD_RESET, UTOPPY_LONG_TIMEOUT,
1702 &resp);
1703 if (err)
1704 break;
1705
1706 if (resp != UTOPPY_RESP_SUCCESS)
1707 err = EIO;
1708 break;
1709
1710 case UTOPPYIOSTATS:
1711 DPRINTF(UTOPPY_DBG_IOCTL, ("%s: utoppyioctl: UTOPPYIOSTATS\n",
1712 device_xname(sc->sc_dev)));
1713 err = utoppy_stats(sc, (struct utoppy_stats *)data);
1714 break;
1715
1716 case UTOPPYIORENAME:
1717 DPRINTF(UTOPPY_DBG_IOCTL, ("%s: utoppyioctl: UTOPPYIORENAME\n",
1718 device_xname(sc->sc_dev)));
1719 ur = (struct utoppy_rename *)data;
1720 UTOPPY_OUT_INIT(sc);
1721
1722 if ((err = utoppy_add_path(sc, ur->ur_old_path, 1)) != 0)
1723 break;
1724 if ((err = utoppy_add_path(sc, ur->ur_new_path, 1)) != 0)
1725 break;
1726
1727 err = utoppy_command(sc, UTOPPY_CMD_RENAME, UTOPPY_LONG_TIMEOUT,
1728 &resp);
1729 if (err)
1730 break;
1731
1732 if (resp != UTOPPY_RESP_SUCCESS)
1733 err = EIO;
1734 break;
1735
1736 case UTOPPYIOMKDIR:
1737 DPRINTF(UTOPPY_DBG_IOCTL, ("%s: utoppyioctl: UTOPPYIOMKDIR\n",
1738 device_xname(sc->sc_dev)));
1739 UTOPPY_OUT_INIT(sc);
1740 err = utoppy_add_path(sc, *((const char **)data), 1);
1741 if (err)
1742 break;
1743
1744 err = utoppy_command(sc, UTOPPY_CMD_MKDIR, UTOPPY_LONG_TIMEOUT,
1745 &resp);
1746 if (err)
1747 break;
1748
1749 if (resp != UTOPPY_RESP_SUCCESS)
1750 err = EIO;
1751 break;
1752
1753 case UTOPPYIODELETE:
1754 DPRINTF(UTOPPY_DBG_IOCTL, ("%s: utoppyioctl: UTOPPYIODELETE\n",
1755 device_xname(sc->sc_dev)));
1756 UTOPPY_OUT_INIT(sc);
1757 err = utoppy_add_path(sc, *((const char **)data), 0);
1758 if (err)
1759 break;
1760
1761 err = utoppy_command(sc, UTOPPY_CMD_DELETE, UTOPPY_LONG_TIMEOUT,
1762 &resp);
1763 if (err)
1764 break;
1765
1766 if (resp != UTOPPY_RESP_SUCCESS)
1767 err = EIO;
1768 break;
1769
1770 case UTOPPYIOREADDIR:
1771 DPRINTF(UTOPPY_DBG_IOCTL, ("%s: utoppyioctl: UTOPPYIOREADDIR\n",
1772 device_xname(sc->sc_dev)));
1773 UTOPPY_OUT_INIT(sc);
1774 err = utoppy_add_path(sc, *((const char **)data), 0);
1775 if (err) {
1776 DPRINTF(UTOPPY_DBG_READDIR, ("%s: utoppyioctl: "
1777 "utoppy_add_path() returned %d\n",
1778 device_xname(sc->sc_dev), err));
1779 break;
1780 }
1781
1782 err = utoppy_send_packet(sc, UTOPPY_CMD_READDIR,
1783 UTOPPY_LONG_TIMEOUT);
1784 if (err != 0) {
1785 DPRINTF(UTOPPY_DBG_READDIR, ("%s: utoppyioctl: "
1786 "UTOPPY_CMD_READDIR returned %d\n",
1787 device_xname(sc->sc_dev), err));
1788 break;
1789 }
1790
1791 err = utoppy_readdir_next(sc);
1792 if (err) {
1793 DPRINTF(UTOPPY_DBG_READDIR, ("%s: utoppyioctl: "
1794 "utoppy_readdir_next() returned %d\n",
1795 device_xname(sc->sc_dev), err));
1796 }
1797 break;
1798
1799 case UTOPPYIOREADFILE:
1800 urf = (struct utoppy_readfile *)data;
1801
1802 DPRINTF(UTOPPY_DBG_IOCTL,("%s: utoppyioctl: UTOPPYIOREADFILE "
1803 "%s, offset %lld\n", device_xname(sc->sc_dev), urf->ur_path,
1804 urf->ur_offset));
1805
1806 if ((err = utoppy_turbo_mode(sc, sc->sc_turbo_mode)) != 0)
1807 break;
1808
1809 UTOPPY_OUT_INIT(sc);
1810 utoppy_add_8(sc, UTOPPY_FILE_READ);
1811
1812 if ((err = utoppy_add_path(sc, urf->ur_path, 1)) != 0)
1813 break;
1814
1815 utoppy_add_64(sc, urf->ur_offset);
1816
1817 sc->sc_state = UTOPPY_STATE_READFILE;
1818 sc->sc_in_offset = 0;
1819
1820 err = utoppy_send_packet(sc, UTOPPY_CMD_FILE,
1821 UTOPPY_LONG_TIMEOUT);
1822 if (err == 0)
1823 err = utoppy_readfile_next(sc);
1824 break;
1825
1826 case UTOPPYIOWRITEFILE:
1827 uw = (struct utoppy_writefile *)data;
1828
1829 DPRINTF(UTOPPY_DBG_IOCTL,("%s: utoppyioctl: UTOPPYIOWRITEFILE "
1830 "%s, size %lld, offset %lld\n", device_xname(sc->sc_dev),
1831 uw->uw_path, uw->uw_size, uw->uw_offset));
1832
1833 if ((err = utoppy_turbo_mode(sc, sc->sc_turbo_mode)) != 0)
1834 break;
1835
1836 UTOPPY_OUT_INIT(sc);
1837 utoppy_add_8(sc, UTOPPY_FILE_WRITE);
1838 uwfp = utoppy_current_ptr(sc->sc_out_data);
1839
1840 if ((err = utoppy_add_path(sc, uw->uw_path, 1)) != 0) {
1841 DPRINTF(UTOPPY_DBG_WRITE,("%s: utoppyioctl: add_path() "
1842 "returned %d\n", device_xname(sc->sc_dev), err));
1843 break;
1844 }
1845
1846 strncpy(uwf, &uwfp[2], sizeof(uwf));
1847 utoppy_add_64(sc, uw->uw_offset);
1848
1849 err = utoppy_command(sc, UTOPPY_CMD_FILE, UTOPPY_LONG_TIMEOUT,
1850 &resp);
1851 if (err) {
1852 DPRINTF(UTOPPY_DBG_WRITE,("%s: utoppyioctl: "
1853 "utoppy_command(UTOPPY_CMD_FILE) returned "
1854 "%d\n", device_xname(sc->sc_dev), err));
1855 break;
1856 }
1857 if (resp != UTOPPY_RESP_SUCCESS) {
1858 DPRINTF(UTOPPY_DBG_WRITE,("%s: utoppyioctl: "
1859 "utoppy_command(UTOPPY_CMD_FILE) returned "
1860 "bad response 0x%x\n", device_xname(sc->sc_dev),
1861 resp));
1862 err = EIO;
1863 break;
1864 }
1865
1866 UTOPPY_OUT_INIT(sc);
1867 utoppy_timestamp_encode(sc, uw->uw_mtime);
1868 utoppy_add_8(sc, UTOPPY_FTYPE_FILE);
1869 utoppy_add_64(sc, uw->uw_size);
1870 utoppy_add_string(sc, uwf, sizeof(uwf));
1871 utoppy_add_32(sc, 0);
1872
1873 err = utoppy_command(sc, UTOPPY_RESP_FILE_HEADER,
1874 UTOPPY_LONG_TIMEOUT, &resp);
1875 if (err) {
1876 DPRINTF(UTOPPY_DBG_WRITE,("%s: utoppyioctl: "
1877 "utoppy_command(UTOPPY_RESP_FILE_HEADER) "
1878 "returned %d\n", device_xname(sc->sc_dev), err));
1879 break;
1880 }
1881 if (resp != UTOPPY_RESP_SUCCESS) {
1882 DPRINTF(UTOPPY_DBG_WRITE,("%s: utoppyioctl: "
1883 "utoppy_command(UTOPPY_RESP_FILE_HEADER) "
1884 "returned bad response 0x%x\n",
1885 device_xname(sc->sc_dev), resp));
1886 err = EIO;
1887 break;
1888 }
1889
1890 sc->sc_wr_offset = uw->uw_offset;
1891 sc->sc_wr_size = uw->uw_size;
1892 sc->sc_state = UTOPPY_STATE_WRITEFILE;
1893
1894 DPRINTF(UTOPPY_DBG_WRITE,("%s: utoppyioctl: Changing state to "
1895 "%s. wr_offset %lld, wr_size %lld\n",
1896 device_xname(sc->sc_dev), utoppy_state_string(sc->sc_state),
1897 sc->sc_wr_offset, sc->sc_wr_size));
1898 break;
1899
1900 default:
1901 DPRINTF(UTOPPY_DBG_IOCTL,("%s: utoppyioctl: Invalid cmd\n",
1902 device_xname(sc->sc_dev)));
1903 err = ENODEV;
1904 break;
1905 }
1906
1907 DPRINTF(UTOPPY_DBG_IOCTL,("%s: utoppyioctl: done. err %d, state '%s'\n",
1908 device_xname(sc->sc_dev), err, utoppy_state_string(sc->sc_state)));
1909
1910 if (err)
1911 utoppy_cancel(sc);
1912
1913 if (--sc->sc_refcnt < 0)
1914 usb_detach_wakeupold(sc->sc_dev);
1915
1916 return (err);
1917 }
1918