1 | /* $NetBSD: umass_isdata.c,v 1.32 2016/04/23 10:15:32 skrll Exp $ */ |
2 | |
3 | /* |
4 | * TODO: |
5 | * get ATA registers on any kind of error |
6 | * implement more commands (what is needed) |
7 | */ |
8 | |
9 | /* |
10 | * Copyright (c) 2001 The NetBSD Foundation, Inc. |
11 | * All rights reserved. |
12 | * |
13 | * This code is derived from software contributed to The NetBSD Foundation |
14 | * by Lennart Augustsson (lennart@augustsson.net) at |
15 | * Carlstedt Research & Technology. |
16 | * |
17 | * Redistribution and use in source and binary forms, with or without |
18 | * modification, are permitted provided that the following conditions |
19 | * are met: |
20 | * 1. Redistributions of source code must retain the above copyright |
21 | * notice, this list of conditions and the following disclaimer. |
22 | * 2. Redistributions in binary form must reproduce the above copyright |
23 | * notice, this list of conditions and the following disclaimer in the |
24 | * documentation and/or other materials provided with the distribution. |
25 | * |
26 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
27 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
28 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
29 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
30 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
31 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
32 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
33 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
34 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
35 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
36 | * POSSIBILITY OF SUCH DAMAGE. |
37 | */ |
38 | |
39 | #include <sys/cdefs.h> |
40 | __KERNEL_RCSID(0, "$NetBSD: umass_isdata.c,v 1.32 2016/04/23 10:15:32 skrll Exp $" ); |
41 | |
42 | #include <sys/param.h> |
43 | #include <sys/systm.h> |
44 | #include <sys/kernel.h> |
45 | #include <sys/conf.h> |
46 | #include <sys/buf.h> |
47 | #include <sys/device.h> |
48 | #include <sys/proc.h> |
49 | #include <sys/disklabel.h> |
50 | #include <sys/malloc.h> |
51 | |
52 | #include <dev/usb/usb.h> |
53 | #include <dev/usb/usbdi.h> |
54 | #include <dev/usb/usbdi_util.h> |
55 | |
56 | #include <dev/usb/umassvar.h> |
57 | #include <dev/usb/umass_isdata.h> |
58 | |
59 | int umass_wd_attach(struct umass_softc *); |
60 | |
61 | #include <dev/ata/atareg.h> |
62 | #include <dev/ata/atavar.h> |
63 | |
64 | /* XXX move this */ |
65 | struct isd200_config { |
66 | uByte EventNotification; |
67 | uByte ExternalClock; |
68 | uByte ATAInitTimeout; |
69 | uByte ATAMisc1; |
70 | #define ATATiming 0x0f |
71 | #define ATAPIReset 0x10 |
72 | #define MasterSlaveSelection 0x20 |
73 | #define ATAPICommandBlockSize 0xc0 |
74 | uByte ATAMajorCommand; |
75 | uByte ATAMinorCommand; |
76 | uByte ATAMisc2; |
77 | #define LastLUNIdentifier 0x07 |
78 | #define DescriptOverride 0x08 |
79 | #define ATA3StateSuspend 0x10 |
80 | #define SkipDeviceBoot 0x20 |
81 | #define ConfigDescriptor2 0x40 |
82 | #define InitStatus 0x80 |
83 | uByte ATAMisc3; |
84 | #define SRSTEnable 0x01 |
85 | }; |
86 | |
87 | struct uisdata_softc { |
88 | struct umassbus_softc base; |
89 | |
90 | struct ata_drive_datas sc_drv_data; |
91 | struct isd200_config sc_isd_config; |
92 | void *sc_ata_bio; |
93 | u_long sc_skip; |
94 | }; |
95 | |
96 | #undef DPRINTF |
97 | #undef DPRINTFN |
98 | #ifdef UISDATA_DEBUG |
99 | #define DPRINTF(x) if (uisdatadebug) printf x |
100 | #define DPRINTFN(n,x) if (uisdatadebug>(n)) printf x |
101 | int uisdatadebug = 0; |
102 | #else |
103 | #define DPRINTF(x) |
104 | #define DPRINTFN(n,x) |
105 | #endif |
106 | |
107 | int uisdata_bio(struct ata_drive_datas *, struct ata_bio *); |
108 | int uisdata_bio1(struct ata_drive_datas *, struct ata_bio *); |
109 | void uisdata_reset_drive(struct ata_drive_datas *, int, uint32_t *); |
110 | void uisdata_reset_channel(struct ata_channel *, int); |
111 | int uisdata_exec_command(struct ata_drive_datas *, struct ata_command *); |
112 | int uisdata_get_params(struct ata_drive_datas *, uint8_t, struct ataparams *); |
113 | int uisdata_addref(struct ata_drive_datas *); |
114 | void uisdata_delref(struct ata_drive_datas *); |
115 | void uisdata_kill_pending(struct ata_drive_datas *); |
116 | |
117 | void uisdata_bio_cb(struct umass_softc *, void *, int, int); |
118 | void uisdata_exec_cb(struct umass_softc *, void *, int, int); |
119 | int uwdprint(void *, const char *); |
120 | |
121 | const struct ata_bustype uisdata_bustype = { |
122 | SCSIPI_BUSTYPE_ATA, |
123 | uisdata_bio, |
124 | uisdata_reset_drive, |
125 | uisdata_reset_channel, |
126 | uisdata_exec_command, |
127 | uisdata_get_params, |
128 | uisdata_addref, |
129 | uisdata_delref, |
130 | uisdata_kill_pending, |
131 | }; |
132 | |
133 | struct ata_cmd { |
134 | uint8_t ac_signature0; |
135 | uint8_t ac_signature1; |
136 | |
137 | uint8_t ac_action_select; |
138 | #define AC_ReadRegisterAccess 0x01 |
139 | #define AC_NoDeviceSelectionBit 0x02 |
140 | #define AC_NoBSYPollBit 0x04 |
141 | #define AC_IgnorePhaseErrorBit 0x08 |
142 | #define AC_IgnoreDeviceErrorBit 0x10 |
143 | |
144 | uint8_t ac_register_select; |
145 | #define AC_SelectAlternateStatus 0x01 /* R */ |
146 | #define AC_SelectDeviceControl 0x01 /* W */ |
147 | #define AC_SelectError 0x02 /* R */ |
148 | #define AC_SelectFeatures 0x02 /* W */ |
149 | #define AC_SelectSectorCount 0x04 /* RW */ |
150 | #define AC_SelectSectorNumber 0x08 /* RW */ |
151 | #define AC_SelectCylinderLow 0x10 /* RW */ |
152 | #define AC_SelectCylinderHigh 0x20 /* RW */ |
153 | #define AC_SelectDeviceHead 0x40 /* RW */ |
154 | #define AC_SelectStatus 0x80 /* R */ |
155 | #define AC_SelectCommand 0x80 /* W */ |
156 | |
157 | uint8_t ac_transfer_blocksize; |
158 | |
159 | uint8_t ac_alternate_status; |
160 | #define ac_device_control ac_alternate_status |
161 | uint8_t ac_error; |
162 | #define ac_features ac_error |
163 | |
164 | uint8_t ac_sector_count; |
165 | uint8_t ac_sector_number; |
166 | uint8_t ac_cylinder_low; |
167 | uint8_t ac_cylinder_high; |
168 | uint8_t ac_device_head; |
169 | |
170 | uint8_t ac_status; |
171 | #define ac_command ac_status |
172 | |
173 | uint8_t ac_reserved[3]; |
174 | }; |
175 | |
176 | #define ATA_DELAY 10000 /* 10s for a drive I/O */ |
177 | |
178 | int |
179 | umass_isdata_attach(struct umass_softc *sc) |
180 | { |
181 | usb_device_request_t req; |
182 | usbd_status err; |
183 | struct ata_device adev; |
184 | struct uisdata_softc *scbus; |
185 | struct isd200_config *cf; |
186 | |
187 | scbus = malloc(sizeof(*scbus), M_DEVBUF, M_WAITOK | M_ZERO); |
188 | sc->bus = &scbus->base; |
189 | cf = &scbus->sc_isd_config; |
190 | |
191 | req.bmRequestType = UT_READ_VENDOR_DEVICE; |
192 | req.bRequest = 0x02; |
193 | USETW(req.wValue, 0); |
194 | USETW(req.wIndex, 2); |
195 | USETW(req.wLength, sizeof(*cf)); |
196 | |
197 | err = usbd_do_request(sc->sc_udev, &req, cf); |
198 | if (err) { |
199 | sc->bus = NULL; |
200 | free(scbus, M_DEVBUF); |
201 | return EIO; |
202 | } |
203 | DPRINTF(("umass_wd_attach info:\n EventNotification=0x%02x " |
204 | "ExternalClock=0x%02x ATAInitTimeout=0x%02x\n" |
205 | " ATAMisc1=0x%02x ATAMajorCommand=0x%02x " |
206 | "ATAMinorCommand=0x%02x\n" |
207 | " ATAMisc2=0x%02x ATAMisc3=0x%02x\n" , |
208 | cf->EventNotification, cf->ExternalClock, cf->ATAInitTimeout, |
209 | cf->ATAMisc1, cf->ATAMajorCommand, cf->ATAMinorCommand, |
210 | cf->ATAMisc2, cf->ATAMisc3)); |
211 | |
212 | memset(&adev, 0, sizeof(struct ata_device)); |
213 | adev.adev_bustype = &uisdata_bustype; |
214 | adev.adev_channel = 1; /* XXX */ |
215 | adev.adev_openings = 1; |
216 | adev.adev_drv_data = &scbus->sc_drv_data; |
217 | scbus->sc_drv_data.drive_type = ATA_DRIVET_ATA; |
218 | scbus->sc_drv_data.chnl_softc = sc; |
219 | scbus->base.sc_child = config_found(sc->sc_dev, &adev, uwdprint); |
220 | |
221 | return 0; |
222 | } |
223 | |
224 | |
225 | void |
226 | uisdata_bio_cb(struct umass_softc *sc, void *priv, int residue, int status) |
227 | { |
228 | struct uisdata_softc *scbus = (struct uisdata_softc *)sc->bus; |
229 | struct ata_bio *ata_bio = priv; |
230 | int s; |
231 | |
232 | DPRINTF(("%s: residue=%d status=%d\n" , __func__, residue, status)); |
233 | |
234 | s = splbio(); |
235 | scbus->sc_ata_bio = NULL; |
236 | if (status != STATUS_CMD_OK) |
237 | ata_bio->error = ERR_DF; /* ??? */ |
238 | else |
239 | ata_bio->error = NOERROR; |
240 | ata_bio->flags |= ATA_ITSDONE; |
241 | |
242 | ata_bio->blkdone += ata_bio->nblks; |
243 | ata_bio->blkno += ata_bio->nblks; |
244 | ata_bio->bcount -= ata_bio->nbytes; |
245 | scbus->sc_skip += ata_bio->nbytes; |
246 | if (residue != 0) { |
247 | ata_bio->bcount += residue; |
248 | } else if (ata_bio->bcount > 0) { |
249 | DPRINTF(("%s: continue\n" , __func__)); |
250 | (void)uisdata_bio1(&scbus->sc_drv_data, ata_bio); /*XXX save drv*/ |
251 | splx(s); |
252 | return; |
253 | } |
254 | |
255 | if (ata_bio->flags & ATA_POLL) { |
256 | DPRINTF(("%s: wakeup %p\n" , __func__, ata_bio)); |
257 | wakeup(ata_bio); |
258 | } else { |
259 | (*scbus->sc_drv_data.drv_done)(scbus->sc_drv_data.drv_softc); |
260 | } |
261 | splx(s); |
262 | } |
263 | |
264 | int |
265 | uisdata_bio(struct ata_drive_datas *drv, struct ata_bio *ata_bio) |
266 | { |
267 | struct umass_softc *sc = drv->chnl_softc; |
268 | struct uisdata_softc *scbus = (struct uisdata_softc *)sc->bus; |
269 | |
270 | scbus->sc_skip = 0; |
271 | return uisdata_bio1(drv, ata_bio); |
272 | } |
273 | |
274 | int |
275 | uisdata_bio1(struct ata_drive_datas *drv, struct ata_bio *ata_bio) |
276 | { |
277 | struct umass_softc *sc = drv->chnl_softc; |
278 | struct uisdata_softc *scbus = (struct uisdata_softc *)sc->bus; |
279 | struct isd200_config *cf = &scbus->sc_isd_config; |
280 | struct ata_cmd ata; |
281 | uint16_t cyl; |
282 | uint8_t head, sect; |
283 | int dir; |
284 | long nbytes; |
285 | u_int nblks; |
286 | |
287 | DPRINTF(("%s\n" , __func__)); |
288 | /* XXX */ |
289 | |
290 | if (ata_bio->flags & ATA_POLL) { |
291 | printf("%s: ATA_POLL not supported\n" , __func__); |
292 | ata_bio->error = TIMEOUT; |
293 | ata_bio->flags |= ATA_ITSDONE; |
294 | return ATACMD_COMPLETE; |
295 | } |
296 | |
297 | if (scbus->sc_ata_bio != NULL) { |
298 | printf("%s: multiple uisdata_bio\n" , __func__); |
299 | return ATACMD_TRY_AGAIN; |
300 | } else |
301 | scbus->sc_ata_bio = ata_bio; |
302 | |
303 | if (ata_bio->flags & ATA_LBA) { |
304 | sect = (ata_bio->blkno >> 0) & 0xff; |
305 | cyl = (ata_bio->blkno >> 8) & 0xffff; |
306 | head = (ata_bio->blkno >> 24) & 0x0f; |
307 | head |= WDSD_LBA; |
308 | } else { |
309 | int blkno = ata_bio->blkno; |
310 | sect = blkno % ata_bio->lp->d_nsectors; |
311 | sect++; /* Sectors begin with 1, not 0. */ |
312 | blkno /= ata_bio->lp->d_nsectors; |
313 | head = blkno % ata_bio->lp->d_ntracks; |
314 | blkno /= ata_bio->lp->d_ntracks; |
315 | cyl = blkno; |
316 | head |= WDSD_CHS; |
317 | } |
318 | |
319 | nbytes = ata_bio->bcount; |
320 | if (ata_bio->flags & ATA_SINGLE) |
321 | nblks = 1; |
322 | else |
323 | nblks = min(ata_bio->multi, nbytes / ata_bio->lp->d_secsize); |
324 | nbytes = nblks * ata_bio->lp->d_secsize; |
325 | ata_bio->nblks = nblks; |
326 | ata_bio->nbytes = nbytes; |
327 | |
328 | memset(&ata, 0, sizeof(ata)); |
329 | ata.ac_signature0 = cf->ATAMajorCommand; |
330 | ata.ac_signature1 = cf->ATAMinorCommand; |
331 | ata.ac_transfer_blocksize = 1; |
332 | ata.ac_sector_count = nblks; |
333 | ata.ac_sector_number = sect; |
334 | ata.ac_cylinder_high = cyl >> 8; |
335 | ata.ac_cylinder_low = cyl; |
336 | ata.ac_device_head = head; |
337 | ata.ac_register_select = AC_SelectSectorCount | AC_SelectSectorNumber | |
338 | AC_SelectCylinderLow | AC_SelectCylinderHigh | AC_SelectDeviceHead | |
339 | AC_SelectCommand; |
340 | |
341 | dir = DIR_NONE; |
342 | if (ata_bio->bcount != 0) { |
343 | if (ata_bio->flags & ATA_READ) |
344 | dir = DIR_IN; |
345 | else |
346 | dir = DIR_OUT; |
347 | } |
348 | |
349 | if (ata_bio->flags & ATA_READ) { |
350 | ata.ac_command = WDCC_READ; |
351 | } else { |
352 | ata.ac_command = WDCC_WRITE; |
353 | } |
354 | DPRINTF(("%s: bno=%" PRId64 " LBA=%d cyl=%d head=%d sect=%d " |
355 | "count=%d multi=%d\n" , |
356 | __func__, ata_bio->blkno, |
357 | (ata_bio->flags & ATA_LBA) != 0, cyl, head, sect, |
358 | ata.ac_sector_count, ata_bio->multi)); |
359 | DPRINTF((" data=%p bcount=%ld, drive=%d\n" , ata_bio->databuf, |
360 | ata_bio->bcount, drv->drive)); |
361 | sc->sc_methods->wire_xfer(sc, drv->drive, &ata, sizeof(ata), |
362 | ata_bio->databuf + scbus->sc_skip, nbytes, |
363 | dir, ATA_DELAY, 0, uisdata_bio_cb, ata_bio); |
364 | |
365 | while (ata_bio->flags & ATA_POLL) { |
366 | DPRINTF(("%s: tsleep %p\n" , __func__, ata_bio)); |
367 | if (tsleep(ata_bio, PZERO, "uisdatabl" , 0)) { |
368 | ata_bio->error = TIMEOUT; |
369 | ata_bio->flags |= ATA_ITSDONE; |
370 | return ATACMD_COMPLETE; |
371 | } |
372 | } |
373 | |
374 | return ata_bio->flags & ATA_ITSDONE ? ATACMD_COMPLETE : ATACMD_QUEUED; |
375 | } |
376 | |
377 | void |
378 | uisdata_reset_drive(struct ata_drive_datas *drv, int flags, uint32_t *sigp) |
379 | { |
380 | DPRINTFN(-1,("%s\n" , __func__)); |
381 | KASSERT(sigp == NULL); |
382 | /* XXX what? */ |
383 | } |
384 | |
385 | void |
386 | uisdata_reset_channel(struct ata_channel *chp, int flags) |
387 | { |
388 | DPRINTFN(-1,("%s\n" , __func__)); |
389 | /* XXX what? */ |
390 | } |
391 | |
392 | void |
393 | uisdata_exec_cb(struct umass_softc *sc, void *priv, |
394 | int residue, int status) |
395 | { |
396 | struct ata_command *cmd = priv; |
397 | |
398 | DPRINTF(("%s: status=%d\n" , __func__, status)); |
399 | if (status != STATUS_CMD_OK) |
400 | cmd->flags |= AT_DF; /* XXX */ |
401 | cmd->flags |= AT_DONE; |
402 | if (cmd->flags & (AT_READ | AT_WRITE)) |
403 | cmd->flags |= AT_XFDONE; |
404 | if (cmd->flags & (AT_POLL | AT_WAIT)) { |
405 | DPRINTF(("%s: wakeup %p\n" , __func__, cmd)); |
406 | wakeup(cmd); |
407 | } |
408 | } |
409 | |
410 | int |
411 | uisdata_exec_command(struct ata_drive_datas *drv, struct ata_command *cmd) |
412 | { |
413 | struct umass_softc *sc = drv->chnl_softc; |
414 | struct uisdata_softc *scbus = (struct uisdata_softc *)sc->bus; |
415 | struct isd200_config *cf = &scbus->sc_isd_config; |
416 | int dir; |
417 | struct ata_cmd ata; |
418 | |
419 | DPRINTF(("%s\n" , __func__)); |
420 | DPRINTF((" r_command=0x%02x timeout=%d flags=0x%x bcount=%d\n" , |
421 | cmd->r_command, cmd->timeout, cmd->flags, cmd->bcount)); |
422 | |
423 | dir = DIR_NONE; |
424 | if (cmd->bcount != 0) { |
425 | if (cmd->flags & AT_READ) |
426 | dir = DIR_IN; |
427 | else |
428 | dir = DIR_OUT; |
429 | } |
430 | |
431 | if (cmd->bcount > UMASS_MAX_TRANSFER_SIZE) { |
432 | printf("uisdata_exec_command: large datalen %d\n" , cmd->bcount); |
433 | cmd->flags |= AT_ERROR; |
434 | goto done; |
435 | } |
436 | |
437 | memset(&ata, 0, sizeof(ata)); |
438 | ata.ac_signature0 = cf->ATAMajorCommand; |
439 | ata.ac_signature1 = cf->ATAMinorCommand; |
440 | ata.ac_transfer_blocksize = 1; |
441 | |
442 | switch (cmd->r_command) { |
443 | case WDCC_IDENTIFY: |
444 | ata.ac_register_select |= AC_SelectCommand; |
445 | ata.ac_command = WDCC_IDENTIFY; |
446 | break; |
447 | default: |
448 | printf("uisdata_exec_command: bad command 0x%02x\n" , |
449 | cmd->r_command); |
450 | cmd->flags |= AT_ERROR; |
451 | goto done; |
452 | } |
453 | |
454 | DPRINTF(("%s: execute ATA command 0x%02x, drive=%d\n" , __func__, |
455 | ata.ac_command, drv->drive)); |
456 | sc->sc_methods->wire_xfer(sc, drv->drive, &ata, |
457 | sizeof(ata), cmd->data, cmd->bcount, dir, |
458 | cmd->timeout, 0, uisdata_exec_cb, cmd); |
459 | if (cmd->flags & (AT_POLL | AT_WAIT)) { |
460 | #if 0 |
461 | if (cmd->flags & AT_POLL) |
462 | printf("%s: AT_POLL not supported\n" , __func__); |
463 | #endif |
464 | DPRINTF(("%s: tsleep %p\n" , __func__, cmd)); |
465 | if (tsleep(cmd, PZERO, "uisdataex" , 0)) { |
466 | cmd->flags |= AT_ERROR; |
467 | goto done; |
468 | } |
469 | } |
470 | |
471 | done: |
472 | return ATACMD_COMPLETE; |
473 | } |
474 | |
475 | int |
476 | uisdata_addref(struct ata_drive_datas *drv) |
477 | { |
478 | DPRINTF(("%s\n" , __func__)); |
479 | /* Nothing to do */ |
480 | return 0; |
481 | } |
482 | |
483 | void |
484 | uisdata_delref(struct ata_drive_datas *drv) |
485 | { |
486 | DPRINTF(("%s\n" , __func__)); |
487 | /* Nothing to do */ |
488 | } |
489 | |
490 | void |
491 | uisdata_kill_pending(struct ata_drive_datas *drv) |
492 | { |
493 | struct umass_softc *sc = drv->chnl_softc; |
494 | struct uisdata_softc *scbus = (struct uisdata_softc *)sc->bus; |
495 | struct ata_bio *ata_bio = scbus->sc_ata_bio; |
496 | |
497 | DPRINTFN(-1,("%s\n" , __func__)); |
498 | |
499 | if (ata_bio == NULL) |
500 | return; |
501 | scbus->sc_ata_bio = NULL; |
502 | ata_bio->flags |= ATA_ITSDONE; |
503 | ata_bio->error = ERR_NODEV; |
504 | ata_bio->r_error = WDCE_ABRT; |
505 | (*scbus->sc_drv_data.drv_done)(scbus->sc_drv_data.drv_softc); |
506 | } |
507 | |
508 | int |
509 | uisdata_get_params(struct ata_drive_datas *drvp, uint8_t flags, |
510 | struct ataparams *prms) |
511 | { |
512 | char tb[DEV_BSIZE]; |
513 | struct ata_command ata_c; |
514 | |
515 | #if BYTE_ORDER == LITTLE_ENDIAN |
516 | int i; |
517 | uint16_t *p; |
518 | #endif |
519 | |
520 | DPRINTF(("%s\n" , __func__)); |
521 | |
522 | memset(tb, 0, DEV_BSIZE); |
523 | memset(prms, 0, sizeof(struct ataparams)); |
524 | memset(&ata_c, 0, sizeof(struct ata_command)); |
525 | |
526 | ata_c.r_command = WDCC_IDENTIFY; |
527 | ata_c.timeout = 1000; /* 1s */ |
528 | ata_c.flags = AT_READ | flags; |
529 | ata_c.data = tb; |
530 | ata_c.bcount = DEV_BSIZE; |
531 | if (uisdata_exec_command(drvp, &ata_c) != ATACMD_COMPLETE) { |
532 | DPRINTF(("uisdata_get_parms: wdc_exec_command failed\n" )); |
533 | return CMD_AGAIN; |
534 | } |
535 | if (ata_c.flags & (AT_ERROR | AT_TIMEOU | AT_DF)) { |
536 | DPRINTF(("uisdata_get_parms: ata_c.flags=0x%x\n" , |
537 | ata_c.flags)); |
538 | return CMD_ERR; |
539 | } else { |
540 | /* Read in parameter block. */ |
541 | memcpy(prms, tb, sizeof(struct ataparams)); |
542 | #if BYTE_ORDER == LITTLE_ENDIAN |
543 | /* XXX copied from ata.c */ |
544 | /* |
545 | * Shuffle string byte order. |
546 | * ATAPI Mitsumi and NEC drives don't need this. |
547 | */ |
548 | if (prms->atap_config != WDC_CFG_CFA_MAGIC && |
549 | (prms->atap_config & WDC_CFG_ATAPI) && |
550 | ((prms->atap_model[0] == 'N' && |
551 | prms->atap_model[1] == 'E') || |
552 | (prms->atap_model[0] == 'F' && |
553 | prms->atap_model[1] == 'X'))) |
554 | return 0; |
555 | for (i = 0; i < sizeof(prms->atap_model); i += 2) { |
556 | p = (u_short *)(prms->atap_model + i); |
557 | *p = ntohs(*p); |
558 | } |
559 | for (i = 0; i < sizeof(prms->atap_serial); i += 2) { |
560 | p = (u_short *)(prms->atap_serial + i); |
561 | *p = ntohs(*p); |
562 | } |
563 | for (i = 0; i < sizeof(prms->atap_revision); i += 2) { |
564 | p = (u_short *)(prms->atap_revision + i); |
565 | *p = ntohs(*p); |
566 | } |
567 | #endif |
568 | return CMD_OK; |
569 | } |
570 | } |
571 | |
572 | |
573 | /* XXX join with wdc.c routine? */ |
574 | int |
575 | uwdprint(void *aux, const char *pnp) |
576 | { |
577 | //struct ata_device *adev = aux; |
578 | if (pnp) |
579 | aprint_normal("wd at %s" , pnp); |
580 | #if 0 |
581 | aprint_normal(" channel %d drive %d" , adev->adev_channel, |
582 | adev->adev_drv_data->drive); |
583 | #endif |
584 | return UNCONF; |
585 | } |
586 | |
587 | |
588 | #if 0 |
589 | |
590 | int umass_wd_attach(struct umass_softc *); |
591 | |
592 | #if NWD > 0 |
593 | case UMASS_CPROTO_ISD_ATA: |
594 | return umass_wd_attach(sc); |
595 | #endif |
596 | |
597 | #endif |
598 | |