Commit | Line | Data |
---|---|---|
15637ed4 | 1 | /* |
d4284689 | 2 | * Written by Julian Elischer (julian@dialix.oz.au) |
15637ed4 RG |
3 | * for TRW Financial Systems for use under the MACH(2.5) operating system. |
4 | * | |
5 | * TRW Financial Systems, in accordance with their agreement with Carnegie | |
6 | * Mellon University, makes this software available to CMU to distribute | |
7 | * or use in any manner that they see fit as long as this message is kept with | |
8 | * the software. For this reason TFS also grants any other persons or | |
9 | * organisations permission to use or modify this software. | |
10 | * | |
11 | * TFS supplies this software to be publicly redistributed | |
12 | * on the understanding that TFS is not responsible for the correct | |
13 | * functioning of this software in any circumstances. | |
14 | * | |
d4284689 | 15 | * Ported to run under 386BSD by Julian Elischer (julian@dialix.oz.au) Sept 1992 |
98639498 | 16 | * |
fde1aeb2 | 17 | * $Id: sd.c,v 1.13 1993/11/25 01:37:34 wollman Exp $ |
15637ed4 RG |
18 | */ |
19 | ||
20 | #define SPLSD splbio | |
21 | #define ESUCCESS 0 | |
22 | #include <sd.h> | |
23 | #include <sys/types.h> | |
24 | #include <sys/param.h> | |
25 | #include <sys/dkbad.h> | |
26 | #include <sys/systm.h> | |
27 | #include <sys/conf.h> | |
28 | #include <sys/file.h> | |
29 | #include <sys/stat.h> | |
30 | #include <sys/ioctl.h> | |
31 | #include <sys/buf.h> | |
32 | #include <sys/uio.h> | |
33 | #include <sys/malloc.h> | |
34 | #include <sys/errno.h> | |
35 | #include <sys/disklabel.h> | |
36 | #include <scsi/scsi_all.h> | |
37 | #include <scsi/scsi_disk.h> | |
38 | #include <scsi/scsiconf.h> | |
39 | ||
519fb2b7 | 40 | u_int32 sdstrats, sdqueues; |
15637ed4 | 41 | |
519fb2b7 RG |
42 | #ifdef NetBSD |
43 | #ifdef DDB | |
44 | int Debugger(); | |
45 | #else /* DDB */ | |
46 | #define Debugger() | |
47 | #endif /* DDB */ | |
48 | #else /* NetBSD */ | |
15637ed4 RG |
49 | #include <ddb.h> |
50 | #if NDDB > 0 | |
519fb2b7 | 51 | #else /* NDDB > 0 */ |
fde1aeb2 | 52 | #define Debugger(s) |
519fb2b7 RG |
53 | #endif /* NDDB > 0 */ |
54 | #endif | |
15637ed4 RG |
55 | |
56 | #define PAGESIZ 4096 | |
57 | #define SECSIZE 512 | |
519fb2b7 | 58 | #define PDLOCATION 29 |
15637ed4 RG |
59 | #define BOOTRECORDSIGNATURE (0x55aa & 0x00ff) |
60 | #define SDOUTSTANDING 2 | |
61 | #define SDQSIZE 4 | |
62 | #define SD_RETRIES 4 | |
63 | ||
64 | #define MAKESDDEV(maj, unit, part) (makedev(maj,((unit<<3)+part))) | |
65 | #define UNITSHIFT 3 | |
66 | #define PARTITION(z) (minor(z) & 0x07) | |
67 | #define RAW_PART 3 | |
68 | #define UNIT(z) ( (minor(z) >> UNITSHIFT) ) | |
69 | ||
70 | #define WHOLE_DISK(unit) ( (unit << UNITSHIFT) + RAW_PART ) | |
71 | ||
519fb2b7 RG |
72 | errval sdgetdisklabel __P((unsigned char unit)); |
73 | errval sd_get_parms __P((int unit, int flags)); | |
4c45483e GW |
74 | void sdstrategy __P((struct buf *)); |
75 | void sdstart __P((u_int32)); | |
15637ed4 | 76 | |
519fb2b7 | 77 | struct scsi_device sd_switch = |
15637ed4 | 78 | { |
519fb2b7 RG |
79 | NULL, /* Use default error handler */ |
80 | sdstart, /* have a queue, served by this */ | |
81 | NULL, /* have no async handler */ | |
82 | NULL, /* Use default 'done' routine */ | |
83 | "sd", | |
84 | 0, | |
85 | { 0, 0 } | |
86 | }; | |
87 | ||
88 | struct sd_data { | |
89 | u_int32 flags; | |
90 | #define SDINIT 0x04 /* device has been init'd */ | |
91 | #define SDHAVELABEL 0x10 /* have read the label */ | |
92 | #define SDDOSPART 0x20 /* Have read the DOS partition table */ | |
93 | #define SDWRITEPROT 0x40 /* Device in readonly mode (S/W) */ | |
94 | struct scsi_link *sc_link; /* contains our targ, lun etc. */ | |
95 | u_int32 ad_info; /* info about the adapter */ | |
96 | u_int32 cmdscount; /* cmds allowed outstanding by board */ | |
97 | boolean wlabel; /* label is writable */ | |
98 | struct disk_parms { | |
99 | u_char heads; /* Number of heads */ | |
100 | u_int16 cyls; /* Number of cylinders */ | |
101 | u_char sectors; /*dubious *//* Number of sectors/track */ | |
102 | u_int16 secsiz; /* Number of bytes/sector */ | |
103 | u_int32 disksize; /* total number sectors */ | |
104 | } params; | |
105 | struct disklabel disklabel; | |
106 | #ifdef NetBSD | |
107 | struct cpu_disklabel cpudisklabel; | |
108 | #else | |
109 | struct dos_partition dosparts[NDOSPART]; /* DOS view of disk */ | |
110 | #endif /* NetBSD */ | |
111 | u_int32 partflags[MAXPARTITIONS]; /* per partition flags */ | |
15637ed4 | 112 | #define SDOPEN 0x01 |
519fb2b7 RG |
113 | u_int32 openparts; /* one bit for each open partition */ |
114 | u_int32 sd_start_of_unix; /* unix vs dos partitions */ | |
115 | struct buf buf_queue; | |
116 | u_int32 xfer_block_wait; | |
117 | } *sd_data[NSD]; | |
15637ed4 | 118 | |
519fb2b7 | 119 | static u_int32 next_sd_unit = 0; |
15637ed4 | 120 | |
519fb2b7 RG |
121 | /* |
122 | * The routine called by the low level scsi routine when it discovers | |
123 | * a device suitable for this driver. | |
124 | */ | |
125 | errval | |
126 | sdattach(sc_link) | |
127 | struct scsi_link *sc_link; | |
15637ed4 | 128 | { |
519fb2b7 | 129 | u_int32 unit; |
15637ed4 RG |
130 | struct sd_data *sd; |
131 | struct disk_parms *dp; | |
15637ed4 RG |
132 | |
133 | unit = next_sd_unit++; | |
519fb2b7 RG |
134 | SC_DEBUG(sc_link, SDEV_DB2, ("sdattach: ")); |
135 | /* | |
136 | * Check we have the resources for another drive | |
137 | */ | |
138 | if (unit >= NSD) { | |
139 | printf("Too many scsi disks..(%d > %d) reconfigure kernel\n", | |
140 | (unit + 1), NSD); | |
141 | return 0; | |
15637ed4 | 142 | } |
519fb2b7 RG |
143 | if (sd_data[unit]) { |
144 | printf("sd%d: unit already has storage allocated!\n", unit); | |
145 | return 0; | |
d4284689 | 146 | } |
519fb2b7 RG |
147 | sd = sd_data[unit] = malloc(sizeof(struct sd_data), M_DEVBUF, M_NOWAIT); |
148 | if (!sd) { | |
d4284689 | 149 | printf("malloc failed in sd.c\n"); |
519fb2b7 | 150 | return (0); |
d4284689 | 151 | } |
519fb2b7 RG |
152 | bzero(sd, sizeof(struct sd_data)); |
153 | ||
154 | dp = &(sd->params); | |
155 | /* | |
156 | * Store information needed to contact our base driver | |
157 | */ | |
158 | sd->sc_link = sc_link; | |
159 | sc_link->device = &sd_switch; | |
160 | sc_link->dev_unit = unit; | |
161 | ||
162 | if (sd->sc_link->adapter->adapter_info) { | |
163 | sd->ad_info = ((*(sd->sc_link->adapter->adapter_info)) (sc_link->adapter_unit)); | |
164 | sd->cmdscount = sd->ad_info & AD_INF_MAX_CMDS; | |
165 | if (sd->cmdscount > SDOUTSTANDING) { | |
15637ed4 RG |
166 | sd->cmdscount = SDOUTSTANDING; |
167 | } | |
519fb2b7 | 168 | } else { |
15637ed4 | 169 | sd->ad_info = 1; |
519fb2b7 RG |
170 | sd->cmdscount = 1; |
171 | } | |
172 | sc_link->opennings = sd->cmdscount; | |
173 | /* | |
174 | * Use the subdriver to request information regarding | |
175 | * the drive. We cannot use interrupts yet, so the | |
176 | * request must specify this. | |
177 | */ | |
178 | sd_get_parms(unit, SCSI_NOSLEEP | SCSI_NOMASK); | |
98639498 | 179 | printf("sd%d: %dMB (%d total sec), %d cyl, %d head, %d sec, bytes/sec %d\n", |
519fb2b7 RG |
180 | unit, |
181 | dp->disksize / ((1024L * 1024L) / dp->secsiz), | |
182 | dp->disksize, | |
183 | dp->cyls, | |
184 | dp->heads, | |
185 | dp->sectors, | |
186 | dp->secsiz); | |
15637ed4 | 187 | sd->flags |= SDINIT; |
519fb2b7 | 188 | return 0; |
15637ed4 RG |
189 | } |
190 | ||
519fb2b7 RG |
191 | /* |
192 | * open the device. Make sure the partition info is a up-to-date as can be. | |
193 | */ | |
194 | errval | |
15637ed4 | 195 | sdopen(dev) |
519fb2b7 | 196 | int dev; /* XXX should be dev_t, but avoid promotion problems for now */ |
15637ed4 | 197 | { |
519fb2b7 RG |
198 | errval errcode = 0; |
199 | u_int32 unit, part; | |
200 | struct sd_data *sd; | |
201 | struct scsi_link *sc_link; | |
15637ed4 RG |
202 | |
203 | unit = UNIT(dev); | |
204 | part = PARTITION(dev); | |
d4284689 | 205 | sd = sd_data[unit]; |
519fb2b7 RG |
206 | /* |
207 | * Check the unit is legal | |
208 | */ | |
209 | if (unit >= NSD) { | |
210 | return (ENXIO); | |
15637ed4 | 211 | } |
519fb2b7 RG |
212 | /* |
213 | * Make sure the disk has been initialised | |
214 | * At some point in the future, get the scsi driver | |
215 | * to look for a new device if we are not initted | |
216 | */ | |
217 | if ((!sd) || (!(sd->flags & SDINIT))) { | |
218 | return (ENXIO); | |
15637ed4 | 219 | } |
519fb2b7 RG |
220 | sc_link = sd->sc_link; |
221 | ||
222 | SC_DEBUG(sc_link, SDEV_DB1, | |
223 | ("sdopen: dev=0x%x (unit %d (of %d),partition %d)\n" | |
224 | ,dev, unit, NSD, part)); | |
225 | ||
226 | /* | |
227 | * "unit attention" errors should occur here if the | |
228 | * drive has been restarted or the pack changed. | |
229 | * just ingnore the result, it's a decoy instruction | |
230 | * The error code will act on the error though | |
231 | * and invalidate any media information we had. | |
232 | */ | |
233 | scsi_test_unit_ready(sc_link, 0); | |
234 | ||
235 | /* | |
236 | * If it's been invalidated, then forget the label | |
237 | */ | |
238 | sc_link->flags |= SDEV_OPEN; /* unit attn becomes an err now */ | |
239 | if (!(sc_link->flags & SDEV_MEDIA_LOADED)) { | |
240 | sd->flags &= ~SDHAVELABEL; | |
15637ed4 | 241 | |
519fb2b7 RG |
242 | /* |
243 | * If somebody still has it open, then forbid re-entry. | |
244 | */ | |
245 | if (sd->openparts) { | |
246 | errcode = ENXIO; | |
247 | goto bad; | |
248 | } | |
249 | } | |
250 | /* | |
251 | * In case it is a funny one, tell it to start | |
252 | * not needed for most hard drives (ignore failure) | |
253 | */ | |
254 | scsi_start_unit(sc_link, SCSI_ERR_OK | SCSI_SILENT); | |
255 | ||
256 | /* | |
257 | * Check that it is still responding and ok. | |
258 | */ | |
259 | if (scsi_test_unit_ready(sc_link, 0)) { | |
260 | SC_DEBUG(sc_link, SDEV_DB3, ("device not reponding\n")); | |
261 | errcode = ENXIO; | |
262 | goto bad; | |
d4284689 | 263 | } |
519fb2b7 RG |
264 | SC_DEBUG(sc_link, SDEV_DB3, ("device ok\n")); |
265 | ||
266 | /* | |
267 | * Load the physical device parameters | |
268 | */ | |
269 | sd_get_parms(unit, 0); /* sets SDEV_MEDIA_LOADED */ | |
270 | if (sd->params.secsiz != SECSIZE) { /* XXX One day... */ | |
271 | printf("sd%d: Can't deal with %d bytes logical blocks\n", | |
272 | unit, sd->params.secsiz); | |
fde1aeb2 | 273 | Debugger("sd"); |
519fb2b7 RG |
274 | errcode = ENXIO; |
275 | goto bad; | |
15637ed4 | 276 | } |
519fb2b7 RG |
277 | SC_DEBUG(sc_link, SDEV_DB3, ("Params loaded ")); |
278 | ||
279 | /* Lock the pack in. */ | |
280 | scsi_prevent(sc_link, PR_PREVENT, SCSI_ERR_OK | SCSI_SILENT); | |
281 | ||
282 | /* | |
283 | * Load the partition info if not already loaded. | |
284 | */ | |
285 | if ((errcode = sdgetdisklabel(unit)) && (part != RAW_PART)) { | |
286 | goto bad; | |
15637ed4 | 287 | } |
519fb2b7 RG |
288 | SC_DEBUG(sc_link, SDEV_DB3, ("Disklabel loaded ")); |
289 | /* | |
290 | * Check the partition is legal | |
291 | */ | |
292 | if (part >= MAXPARTITIONS) { | |
293 | errcode = ENXIO; | |
294 | goto bad; | |
15637ed4 | 295 | } |
519fb2b7 RG |
296 | SC_DEBUG(sc_link, SDEV_DB3, ("partition ok")); |
297 | ||
298 | /* | |
299 | * Check that the partition exists | |
300 | */ | |
301 | if ((sd->disklabel.d_partitions[part].p_size == 0) | |
302 | && (part != RAW_PART)) { | |
303 | errcode = ENXIO; | |
304 | goto bad; | |
15637ed4 RG |
305 | } |
306 | sd->partflags[part] |= SDOPEN; | |
307 | sd->openparts |= (1 << part); | |
519fb2b7 RG |
308 | SC_DEBUG(sc_link, SDEV_DB3, ("open %d %d\n", sdstrats, sdqueues)); |
309 | return 0; | |
15637ed4 | 310 | |
519fb2b7 RG |
311 | bad: |
312 | if (!(sd->openparts)) { | |
313 | scsi_prevent(sc_link, PR_ALLOW, SCSI_ERR_OK | SCSI_SILENT); | |
314 | sc_link->flags &= ~SDEV_OPEN; | |
15637ed4 | 315 | } |
519fb2b7 | 316 | return errcode; |
15637ed4 RG |
317 | } |
318 | ||
519fb2b7 RG |
319 | /* |
320 | * close the device.. only called if we are the LAST occurence of an open | |
321 | * device. Convenient now but usually a pain. | |
322 | */ | |
323 | errval | |
324 | sdclose(dev) | |
325 | dev_t dev; | |
15637ed4 | 326 | { |
519fb2b7 RG |
327 | unsigned char unit, part; |
328 | struct sd_data *sd; | |
329 | ||
330 | unit = UNIT(dev); | |
331 | part = PARTITION(dev); | |
332 | sd = sd_data[unit]; | |
333 | sd->partflags[part] &= ~SDOPEN; | |
334 | sd->openparts &= ~(1 << part); | |
335 | scsi_prevent(sd->sc_link, PR_ALLOW, SCSI_SILENT | SCSI_ERR_OK); | |
336 | if (!(sd->openparts)) | |
337 | sd->sc_link->flags &= ~SDEV_OPEN; | |
338 | return 0; | |
15637ed4 RG |
339 | } |
340 | ||
519fb2b7 RG |
341 | /* |
342 | * trim the size of the transfer if needed, called by physio | |
343 | * basically the smaller of our max and the scsi driver's | |
344 | * minphys (note we have no max) | |
345 | * | |
346 | * Trim buffer length if buffer-size is bigger than page size | |
347 | */ | |
348 | void | |
349 | sdminphys(bp) | |
350 | struct buf *bp; | |
15637ed4 | 351 | { |
519fb2b7 | 352 | (*(sd_data[UNIT(bp->b_dev)]->sc_link->adapter->scsi_minphys)) (bp); |
15637ed4 RG |
353 | } |
354 | ||
519fb2b7 RG |
355 | /* |
356 | * Actually translate the requested transfer into one the physical driver | |
357 | * can understand. The transfer is described by a buf and will include | |
358 | * only one physical transfer. | |
359 | */ | |
4c45483e | 360 | void |
519fb2b7 RG |
361 | sdstrategy(bp) |
362 | struct buf *bp; | |
15637ed4 | 363 | { |
519fb2b7 RG |
364 | struct buf *dp; |
365 | u_int32 opri; | |
366 | struct sd_data *sd; | |
367 | u_int32 unit; | |
15637ed4 RG |
368 | |
369 | sdstrats++; | |
370 | unit = UNIT((bp->b_dev)); | |
d4284689 | 371 | sd = sd_data[unit]; |
519fb2b7 RG |
372 | SC_DEBUG(sd->sc_link, SDEV_DB2, ("sdstrategy ")); |
373 | SC_DEBUG(sd->sc_link, SDEV_DB1, | |
374 | (" %d bytes @ blk%d\n", bp->b_bcount, bp->b_blkno)); | |
15637ed4 | 375 | sdminphys(bp); |
519fb2b7 RG |
376 | /* |
377 | * If the device has been made invalid, error out | |
378 | */ | |
379 | if (!(sd->sc_link->flags & SDEV_MEDIA_LOADED)) { | |
380 | sd->flags &= ~SDHAVELABEL; | |
15637ed4 RG |
381 | bp->b_error = EIO; |
382 | goto bad; | |
383 | } | |
519fb2b7 RG |
384 | /* |
385 | * "soft" write protect check | |
386 | */ | |
15637ed4 RG |
387 | if ((sd->flags & SDWRITEPROT) && (bp->b_flags & B_READ) == 0) { |
388 | bp->b_error = EROFS; | |
389 | goto bad; | |
390 | } | |
519fb2b7 RG |
391 | /* |
392 | * If it's a null transfer, return immediatly | |
393 | */ | |
394 | if (bp->b_bcount == 0) { | |
15637ed4 RG |
395 | goto done; |
396 | } | |
519fb2b7 RG |
397 | /* |
398 | * Decide which unit and partition we are talking about | |
399 | * only raw is ok if no label | |
400 | */ | |
401 | if (PARTITION(bp->b_dev) != RAW_PART) { | |
402 | if (!(sd->flags & SDHAVELABEL)) { | |
15637ed4 RG |
403 | bp->b_error = EIO; |
404 | goto bad; | |
405 | } | |
15637ed4 RG |
406 | /* |
407 | * do bounds checking, adjust transfer. if error, process. | |
408 | * if end of partition, just return | |
409 | */ | |
519fb2b7 | 410 | if (bounds_check_with_label(bp, &sd->disklabel, sd->wlabel) <= 0) |
15637ed4 RG |
411 | goto done; |
412 | /* otherwise, process transfer request */ | |
413 | } | |
15637ed4 | 414 | opri = SPLSD(); |
519fb2b7 | 415 | dp = &sd->buf_queue; |
15637ed4 | 416 | |
519fb2b7 RG |
417 | /* |
418 | * Place it in the queue of disk activities for this disk | |
419 | */ | |
15637ed4 RG |
420 | disksort(dp, bp); |
421 | ||
519fb2b7 RG |
422 | /* |
423 | * Tell the device to get going on the transfer if it's | |
424 | * not doing anything, otherwise just wait for completion | |
425 | */ | |
15637ed4 RG |
426 | sdstart(unit); |
427 | ||
428 | splx(opri); | |
4c45483e | 429 | return /*0*/; |
15637ed4 RG |
430 | bad: |
431 | bp->b_flags |= B_ERROR; | |
432 | done: | |
433 | ||
519fb2b7 RG |
434 | /* |
435 | * Correctly set the buf to indicate a completed xfer | |
436 | */ | |
437 | bp->b_resid = bp->b_bcount; | |
15637ed4 | 438 | biodone(bp); |
4c45483e | 439 | return /*0*/; |
15637ed4 RG |
440 | } |
441 | ||
519fb2b7 RG |
442 | /* |
443 | * sdstart looks to see if there is a buf waiting for the device | |
444 | * and that the device is not already busy. If both are true, | |
445 | * It dequeues the buf and creates a scsi command to perform the | |
446 | * transfer in the buf. The transfer request will call scsi_done | |
447 | * on completion, which will in turn call this routine again | |
448 | * so that the next queued transfer is performed. | |
449 | * The bufs are queued by the strategy routine (sdstrategy) | |
450 | * | |
451 | * This routine is also called after other non-queued requests | |
452 | * have been made of the scsi driver, to ensure that the queue | |
453 | * continues to be drained. | |
454 | * | |
455 | * must be called at the correct (highish) spl level | |
456 | * sdstart() is called at SPLSD from sdstrategy and scsi_done | |
457 | */ | |
458 | void | |
15637ed4 | 459 | sdstart(unit) |
519fb2b7 | 460 | u_int32 unit; |
15637ed4 | 461 | { |
519fb2b7 RG |
462 | register struct sd_data *sd = sd_data[unit]; |
463 | register struct scsi_link *sc_link = sd->sc_link; | |
464 | struct buf *bp = 0; | |
465 | struct buf *dp; | |
466 | struct scsi_rw_big cmd; | |
467 | u_int32 blkno, nblk; | |
468 | struct partition *p; | |
469 | ||
470 | SC_DEBUG(sc_link, SDEV_DB2, ("sdstart ")); | |
471 | /* | |
472 | * Check if the device has room for another command | |
473 | */ | |
474 | while (sc_link->opennings) { | |
15637ed4 | 475 | |
519fb2b7 RG |
476 | /* |
477 | * there is excess capacity, but a special waits | |
478 | * It'll need the adapter as soon as we clear out of the | |
479 | * way and let it run (user level wait). | |
480 | */ | |
481 | if (sc_link->flags & SDEV_WAITING) { | |
482 | return; | |
483 | } | |
484 | /* | |
485 | * See if there is a buf with work for us to do.. | |
486 | */ | |
487 | dp = &sd->buf_queue; | |
488 | if ((bp = dp->b_actf) == NULL) { /* yes, an assign */ | |
489 | return; | |
490 | } | |
491 | dp->b_actf = bp->av_forw; | |
15637ed4 | 492 | |
519fb2b7 RG |
493 | /* |
494 | * If the device has become invalid, abort all the | |
495 | * reads and writes until all files have been closed and | |
496 | * re-openned | |
497 | */ | |
498 | if (!(sc_link->flags & SDEV_MEDIA_LOADED)) { | |
499 | sd->flags &= ~SDHAVELABEL; | |
500 | goto bad; | |
501 | } | |
502 | /* | |
503 | * We have a buf, now we know we are going to go through | |
504 | * With this thing.. | |
505 | * | |
506 | * First, translate the block to absolute | |
507 | */ | |
508 | p = sd->disklabel.d_partitions + PARTITION(bp->b_dev); | |
509 | blkno = bp->b_blkno + p->p_offset; | |
510 | nblk = (bp->b_bcount + 511) >> 9; | |
d4284689 | 511 | |
519fb2b7 RG |
512 | /* |
513 | * Fill out the scsi command | |
514 | */ | |
515 | bzero(&cmd, sizeof(cmd)); | |
516 | cmd.op_code = (bp->b_flags & B_READ) | |
517 | ? READ_BIG : WRITE_BIG; | |
fde1aeb2 | 518 | cmd.addr_3 = (blkno & 0xff000000UL) >> 24; |
519fb2b7 RG |
519 | cmd.addr_2 = (blkno & 0xff0000) >> 16; |
520 | cmd.addr_1 = (blkno & 0xff00) >> 8; | |
521 | cmd.addr_0 = blkno & 0xff; | |
522 | cmd.length2 = (nblk & 0xff00) >> 8; | |
523 | cmd.length1 = (nblk & 0xff); | |
524 | /* | |
525 | * Call the routine that chats with the adapter. | |
526 | * Note: we cannot sleep as we may be an interrupt | |
527 | */ | |
528 | if (scsi_scsi_cmd(sc_link, | |
529 | (struct scsi_generic *) &cmd, | |
d4284689 | 530 | sizeof(cmd), |
519fb2b7 | 531 | (u_char *) bp->b_un.b_addr, |
d4284689 | 532 | bp->b_bcount, |
519fb2b7 | 533 | SD_RETRIES, |
d4284689 RG |
534 | 10000, |
535 | bp, | |
519fb2b7 RG |
536 | SCSI_NOSLEEP | ((bp->b_flags & B_READ) ? |
537 | SCSI_DATA_IN : SCSI_DATA_OUT)) | |
538 | == SUCCESSFULLY_QUEUED) { | |
539 | sdqueues++; | |
540 | } else { | |
d4284689 | 541 | bad: |
519fb2b7 RG |
542 | printf("sd%d: oops not queued", unit); |
543 | bp->b_error = EIO; | |
544 | bp->b_flags |= B_ERROR; | |
545 | biodone(bp); | |
546 | } | |
15637ed4 | 547 | } |
15637ed4 RG |
548 | } |
549 | ||
519fb2b7 RG |
550 | /* |
551 | * Perform special action on behalf of the user | |
552 | * Knows about the internals of this device | |
553 | */ | |
554 | errval | |
15637ed4 RG |
555 | sdioctl(dev_t dev, int cmd, caddr_t addr, int flag) |
556 | { | |
519fb2b7 RG |
557 | /* struct sd_cmd_buf *args; */ |
558 | errval error = 0; | |
15637ed4 RG |
559 | unsigned char unit, part; |
560 | register struct sd_data *sd; | |
561 | ||
519fb2b7 RG |
562 | /* |
563 | * Find the device that the user is talking about | |
564 | */ | |
15637ed4 RG |
565 | unit = UNIT(dev); |
566 | part = PARTITION(dev); | |
d4284689 | 567 | sd = sd_data[unit]; |
519fb2b7 RG |
568 | SC_DEBUG(sd->sc_link, SDEV_DB1, ("sdioctl (0x%x)", cmd)); |
569 | ||
570 | /* | |
571 | * If the device is not valid.. abandon ship | |
572 | */ | |
573 | if (!(sd->sc_link->flags & SDEV_MEDIA_LOADED)) | |
574 | return (EIO); | |
575 | switch (cmd) { | |
15637ed4 RG |
576 | |
577 | case DIOCSBAD: | |
519fb2b7 | 578 | error = EINVAL; |
15637ed4 RG |
579 | break; |
580 | ||
581 | case DIOCGDINFO: | |
519fb2b7 RG |
582 | *(struct disklabel *) addr = sd->disklabel; |
583 | break; | |
584 | ||
585 | case DIOCGPART: | |
586 | ((struct partinfo *) addr)->disklab = &sd->disklabel; | |
587 | ((struct partinfo *) addr)->part = | |
588 | &sd->disklabel.d_partitions[PARTITION(dev)]; | |
15637ed4 RG |
589 | break; |
590 | ||
519fb2b7 RG |
591 | case DIOCSDINFO: |
592 | if ((flag & FWRITE) == 0) | |
593 | error = EBADF; | |
594 | else | |
595 | error = setdisklabel(&sd->disklabel, | |
596 | (struct disklabel *)addr, | |
597 | /*(sd->flags & DKFL_BSDLABEL) ? sd->openparts : */ 0, | |
598 | #ifdef NetBSD | |
599 | &sd->cpudisklabel | |
600 | #else | |
601 | sd->dosparts | |
602 | #endif | |
603 | ); | |
604 | if (error == 0) { | |
15637ed4 RG |
605 | sd->flags |= SDHAVELABEL; |
606 | } | |
519fb2b7 | 607 | break; |
15637ed4 | 608 | |
519fb2b7 | 609 | case DIOCWLABEL: |
15637ed4 | 610 | sd->flags &= ~SDWRITEPROT; |
519fb2b7 RG |
611 | if ((flag & FWRITE) == 0) |
612 | error = EBADF; | |
613 | else | |
614 | sd->wlabel = *(boolean *) addr; | |
615 | break; | |
15637ed4 | 616 | |
519fb2b7 | 617 | case DIOCWDINFO: |
15637ed4 | 618 | sd->flags &= ~SDWRITEPROT; |
519fb2b7 RG |
619 | if ((flag & FWRITE) == 0) |
620 | error = EBADF; | |
621 | else { | |
622 | error = setdisklabel(&sd->disklabel, | |
623 | (struct disklabel *)addr, | |
624 | /*(sd->flags & SDHAVELABEL) ? sd->openparts : */ 0, | |
625 | #ifdef NetBSD | |
626 | &sd->cpudisklabel | |
627 | #else | |
628 | sd->dosparts | |
629 | #endif | |
630 | ); | |
631 | if (!error) { | |
632 | boolean wlab; | |
633 | ||
634 | /* ok - write will succeed */ | |
635 | sd->flags |= SDHAVELABEL; | |
636 | ||
637 | /* simulate opening partition 0 so write succeeds */ | |
638 | sd->openparts |= (1 << 0); /* XXX */ | |
639 | wlab = sd->wlabel; | |
640 | sd->wlabel = 1; | |
641 | error = writedisklabel(dev, sdstrategy, | |
642 | &sd->disklabel, | |
643 | #ifdef NetBSD | |
644 | &sd->cpudisklabel | |
645 | #else | |
646 | sd->dosparts | |
647 | #endif | |
648 | ); | |
649 | sd->wlabel = wlab; | |
650 | } | |
651 | } | |
652 | break; | |
15637ed4 RG |
653 | |
654 | default: | |
519fb2b7 RG |
655 | if (part == RAW_PART) |
656 | error = scsi_do_ioctl(sd->sc_link, cmd, addr, flag); | |
657 | else | |
658 | error = ENOTTY; | |
15637ed4 RG |
659 | break; |
660 | } | |
519fb2b7 | 661 | return error; |
15637ed4 RG |
662 | } |
663 | ||
519fb2b7 RG |
664 | /* |
665 | * Load the label information on the named device | |
666 | */ | |
667 | errval | |
668 | sdgetdisklabel(unsigned char unit) | |
15637ed4 | 669 | { |
519fb2b7 | 670 | char *errstring; |
d4284689 | 671 | struct sd_data *sd = sd_data[unit]; |
15637ed4 | 672 | |
519fb2b7 RG |
673 | /* |
674 | * If the inflo is already loaded, use it | |
675 | */ | |
676 | if (sd->flags & SDHAVELABEL) | |
677 | return (ESUCCESS); | |
678 | ||
679 | bzero(&sd->disklabel, sizeof(struct disklabel)); | |
680 | /* | |
681 | * make partition 3 the whole disk in case of failure then get pdinfo | |
682 | * for historical reasons, make part a same as raw part | |
683 | */ | |
15637ed4 RG |
684 | sd->disklabel.d_partitions[0].p_offset = 0; |
685 | sd->disklabel.d_partitions[0].p_size = sd->params.disksize; | |
686 | sd->disklabel.d_partitions[RAW_PART].p_offset = 0; | |
687 | sd->disklabel.d_partitions[RAW_PART].p_size = sd->params.disksize; | |
688 | sd->disklabel.d_npartitions = MAXPARTITIONS; | |
519fb2b7 | 689 | sd->disklabel.d_secsize = SECSIZE; /* as long as it's not 0 */ |
15637ed4 RG |
690 | sd->disklabel.d_ntracks = sd->params.heads; |
691 | sd->disklabel.d_nsectors = sd->params.sectors; | |
692 | sd->disklabel.d_ncylinders = sd->params.cyls; | |
693 | sd->disklabel.d_secpercyl = sd->params.heads * sd->params.sectors; | |
519fb2b7 | 694 | if (sd->disklabel.d_secpercyl == 0) { |
15637ed4 | 695 | sd->disklabel.d_secpercyl = 100; |
519fb2b7 | 696 | /* as long as it's not 0 - readdisklabel divides by it (?) */ |
15637ed4 | 697 | } |
519fb2b7 RG |
698 | /* |
699 | * Call the generic disklabel extraction routine | |
700 | */ | |
701 | if (errstring = readdisklabel(makedev(0, (unit << UNITSHIFT) + 3), | |
702 | sdstrategy, | |
703 | &sd->disklabel, | |
704 | #ifdef NetBSD | |
705 | &sd->cpudisklabel | |
706 | #else | |
707 | sd->dosparts, | |
708 | 0, | |
709 | 0 | |
710 | #endif | |
711 | )) { | |
712 | printf("sd%d: %s\n", unit, errstring); | |
713 | return ENXIO; | |
15637ed4 | 714 | } |
519fb2b7 RG |
715 | sd->flags |= SDHAVELABEL; /* WE HAVE IT ALL NOW */ |
716 | return ESUCCESS; | |
15637ed4 RG |
717 | } |
718 | ||
519fb2b7 RG |
719 | /* |
720 | * Find out from the device what it's capacity is | |
721 | */ | |
722 | u_int32 | |
15637ed4 | 723 | sd_size(unit, flags) |
519fb2b7 | 724 | int unit, flags; |
15637ed4 RG |
725 | { |
726 | struct scsi_read_cap_data rdcap; | |
727 | struct scsi_read_capacity scsi_cmd; | |
519fb2b7 | 728 | u_int32 size; |
15637ed4 | 729 | |
519fb2b7 RG |
730 | /* |
731 | * make up a scsi command and ask the scsi driver to do | |
732 | * it for you. | |
733 | */ | |
15637ed4 RG |
734 | bzero(&scsi_cmd, sizeof(scsi_cmd)); |
735 | scsi_cmd.op_code = READ_CAPACITY; | |
736 | ||
519fb2b7 RG |
737 | /* |
738 | * If the command works, interpret the result as a 4 byte | |
739 | * number of blocks | |
740 | */ | |
741 | if (scsi_scsi_cmd(sd_data[unit]->sc_link, | |
742 | (struct scsi_generic *) &scsi_cmd, | |
743 | sizeof(scsi_cmd), | |
744 | (u_char *) & rdcap, | |
745 | sizeof(rdcap), | |
746 | SD_RETRIES, | |
747 | 2000, | |
748 | NULL, | |
749 | flags | SCSI_DATA_IN) != 0) { | |
bb8f9615 | 750 | printf("sd%d: could not get size\n", unit); |
519fb2b7 | 751 | return (0); |
15637ed4 | 752 | } else { |
519fb2b7 | 753 | size = rdcap.addr_0 + 1; |
15637ed4 RG |
754 | size += rdcap.addr_1 << 8; |
755 | size += rdcap.addr_2 << 16; | |
756 | size += rdcap.addr_3 << 24; | |
757 | } | |
519fb2b7 | 758 | return (size); |
15637ed4 RG |
759 | } |
760 | ||
519fb2b7 RG |
761 | /* |
762 | * Tell the device to map out a defective block | |
763 | */ | |
764 | errval | |
765 | sd_reassign_blocks(unit, block) | |
766 | int unit, block; | |
15637ed4 | 767 | { |
519fb2b7 RG |
768 | struct scsi_reassign_blocks scsi_cmd; |
769 | struct scsi_reassign_blocks_data rbdata; | |
15637ed4 RG |
770 | |
771 | bzero(&scsi_cmd, sizeof(scsi_cmd)); | |
772 | bzero(&rbdata, sizeof(rbdata)); | |
773 | scsi_cmd.op_code = REASSIGN_BLOCKS; | |
774 | ||
775 | rbdata.length_msb = 0; | |
776 | rbdata.length_lsb = sizeof(rbdata.defect_descriptor[0]); | |
777 | rbdata.defect_descriptor[0].dlbaddr_3 = ((block >> 24) & 0xff); | |
778 | rbdata.defect_descriptor[0].dlbaddr_2 = ((block >> 16) & 0xff); | |
519fb2b7 RG |
779 | rbdata.defect_descriptor[0].dlbaddr_1 = ((block >> 8) & 0xff); |
780 | rbdata.defect_descriptor[0].dlbaddr_0 = ((block) & 0xff); | |
781 | ||
782 | return (scsi_scsi_cmd(sd_data[unit]->sc_link, | |
783 | (struct scsi_generic *) &scsi_cmd, | |
784 | sizeof(scsi_cmd), | |
785 | (u_char *) & rbdata, | |
786 | sizeof(rbdata), | |
787 | SD_RETRIES, | |
788 | 5000, | |
789 | NULL, | |
790 | SCSI_DATA_OUT)); | |
15637ed4 | 791 | } |
15637ed4 RG |
792 | #define b2tol(a) (((unsigned)(a##_1) << 8) + (unsigned)a##_0 ) |
793 | ||
519fb2b7 RG |
794 | /* |
795 | * Get the scsi driver to send a full inquiry to the | |
796 | * device and use the results to fill out the disk | |
797 | * parameter structure. | |
798 | */ | |
799 | errval | |
800 | sd_get_parms(unit, flags) | |
801 | int unit, flags; | |
15637ed4 | 802 | { |
d4284689 | 803 | struct sd_data *sd = sd_data[unit]; |
15637ed4 | 804 | struct disk_parms *disk_parms = &sd->params; |
519fb2b7 RG |
805 | struct scsi_mode_sense scsi_cmd; |
806 | struct scsi_mode_sense_data { | |
807 | struct scsi_mode_header header; | |
808 | struct blk_desc blk_desc; | |
809 | union disk_pages pages; | |
810 | } scsi_sense; | |
811 | u_int32 sectors; | |
812 | ||
813 | /* | |
814 | * First check if we have it all loaded | |
815 | */ | |
816 | if (sd->flags & SDEV_MEDIA_LOADED) | |
817 | return 0; | |
818 | ||
819 | /* | |
820 | * do a "mode sense page 4" | |
821 | */ | |
15637ed4 RG |
822 | bzero(&scsi_cmd, sizeof(scsi_cmd)); |
823 | scsi_cmd.op_code = MODE_SENSE; | |
869c4419 | 824 | scsi_cmd.page = 4; |
15637ed4 | 825 | scsi_cmd.length = 0x20; |
519fb2b7 RG |
826 | /* |
827 | * If the command worked, use the results to fill out | |
828 | * the parameter structure | |
829 | */ | |
830 | if (scsi_scsi_cmd(sd->sc_link, | |
831 | (struct scsi_generic *) &scsi_cmd, | |
832 | sizeof(scsi_cmd), | |
833 | (u_char *) & scsi_sense, | |
834 | sizeof(scsi_sense), | |
835 | SD_RETRIES, | |
836 | 2000, | |
837 | NULL, | |
838 | flags | SCSI_DATA_IN) != 0) { | |
839 | ||
d4284689 RG |
840 | printf("sd%d could not mode sense (4).", unit); |
841 | printf(" Using ficticious geometry\n"); | |
98639498 RG |
842 | /* |
843 | * use adaptec standard ficticious geometry | |
d4284689 RG |
844 | * this depends on which controller (e.g. 1542C is |
845 | * different. but we have to put SOMETHING here..) | |
98639498 | 846 | */ |
15637ed4 RG |
847 | sectors = sd_size(unit, flags); |
848 | disk_parms->heads = 64; | |
849 | disk_parms->sectors = 32; | |
519fb2b7 | 850 | disk_parms->cyls = sectors / (64 * 32); |
15637ed4 | 851 | disk_parms->secsiz = SECSIZE; |
98639498 | 852 | disk_parms->disksize = sectors; |
519fb2b7 | 853 | } else { |
d4284689 | 854 | |
519fb2b7 RG |
855 | SC_DEBUG(sd->sc_link, SDEV_DB3, |
856 | ("%d cyls, %d heads, %d precomp, %d red_write, %d land_zone\n", | |
15637ed4 RG |
857 | _3btol(&scsi_sense.pages.rigid_geometry.ncyl_2), |
858 | scsi_sense.pages.rigid_geometry.nheads, | |
859 | b2tol(scsi_sense.pages.rigid_geometry.st_cyl_wp), | |
860 | b2tol(scsi_sense.pages.rigid_geometry.st_cyl_rwc), | |
519fb2b7 RG |
861 | b2tol(scsi_sense.pages.rigid_geometry.land_zone))); |
862 | ||
863 | /* | |
864 | * KLUDGE!!(for zone recorded disks) | |
865 | * give a number of sectors so that sec * trks * cyls | |
866 | * is <= disk_size | |
867 | * can lead to wasted space! THINK ABOUT THIS ! | |
868 | */ | |
15637ed4 RG |
869 | disk_parms->heads = scsi_sense.pages.rigid_geometry.nheads; |
870 | disk_parms->cyls = _3btol(&scsi_sense.pages.rigid_geometry.ncyl_2); | |
519fb2b7 | 871 | disk_parms->secsiz = _3btol(scsi_sense.blk_desc.blklen); |
15637ed4 RG |
872 | |
873 | sectors = sd_size(unit, flags); | |
98639498 | 874 | disk_parms->disksize = sectors; |
d4284689 | 875 | sectors /= (disk_parms->heads * disk_parms->cyls); |
519fb2b7 | 876 | disk_parms->sectors = sectors; /* dubious on SCSI *//*XXX */ |
15637ed4 | 877 | } |
519fb2b7 RG |
878 | sd->sc_link->flags |= SDEV_MEDIA_LOADED; |
879 | return 0; | |
15637ed4 RG |
880 | } |
881 | ||
519fb2b7 RG |
882 | int |
883 | sdsize(dev_t dev) | |
15637ed4 | 884 | { |
519fb2b7 | 885 | u_int32 unit = UNIT(dev), part = PARTITION(dev), val; |
d4284689 | 886 | struct sd_data *sd; |
15637ed4 | 887 | |
519fb2b7 RG |
888 | if (unit >= NSD) |
889 | return -1; | |
d4284689 | 890 | |
519fb2b7 RG |
891 | sd = sd_data[unit]; |
892 | if (!sd) | |
893 | return -1; | |
894 | if ((sd->flags & SDINIT) == 0) | |
895 | return -1; | |
896 | if (sd == 0 || (sd->flags & SDHAVELABEL) == 0) { | |
897 | val = sdopen(MAKESDDEV(major(dev), unit, RAW_PART), FREAD, S_IFBLK, 0); | |
898 | if (val != 0) | |
899 | return -1; | |
15637ed4 | 900 | } |
519fb2b7 RG |
901 | if (sd->flags & SDWRITEPROT) |
902 | return -1; | |
15637ed4 | 903 | |
519fb2b7 | 904 | return (int)sd->disklabel.d_partitions[part].p_size; |
15637ed4 RG |
905 | } |
906 | ||
907 | ||
519fb2b7 RG |
908 | #define SCSIDUMP 1 |
909 | #undef SCSIDUMP | |
910 | #define NOT_TRUSTED 1 | |
15637ed4 | 911 | |
98639498 RG |
912 | #ifdef SCSIDUMP |
913 | #include <vm/vm.h> | |
519fb2b7 RG |
914 | |
915 | static struct scsi_xfer sx; | |
916 | #define MAXTRANSFER 8 /* 1 page at a time */ | |
917 | ||
918 | /* | |
919 | * dump all of physical memory into the partition specified, starting | |
920 | * at offset 'dumplo' into the partition. | |
921 | */ | |
922 | errval | |
923 | sddump(dev_t dev) | |
924 | { /* dump core after a system crash */ | |
98639498 | 925 | register struct sd_data *sd; /* disk unit to do the IO */ |
519fb2b7 RG |
926 | int32 num; /* number of sectors to write */ |
927 | u_int32 unit, part; | |
928 | int32 blkoff, blknum, blkcnt = MAXTRANSFER; | |
929 | int32 nblocks; | |
98639498 | 930 | char *addr; |
519fb2b7 | 931 | struct scsi_rw_big cmd; |
98639498 | 932 | extern int Maxmem; |
519fb2b7 RG |
933 | static int sddoingadump = 0; |
934 | #define MAPTO CADDR1 | |
935 | extern caddr_t MAPTO; /* map the page we are about to write, here */ | |
936 | struct scsi_xfer *xs = &sx; | |
937 | errval retval; | |
938 | int c; | |
98639498 | 939 | |
519fb2b7 | 940 | addr = (char *) 0; /* starting address */ |
98639498 RG |
941 | |
942 | /* toss any characters present prior to dump */ | |
519fb2b7 | 943 | while ((c = sgetc(1)) && (c != 0x100)); /*syscons and pccons differ */ |
98639498 RG |
944 | |
945 | /* size of memory to dump */ | |
946 | num = Maxmem; | |
519fb2b7 RG |
947 | unit = UNIT(dev); /* eventually support floppies? */ |
948 | part = PARTITION(dev); /* file system */ | |
98639498 | 949 | /* check for acceptable drive number */ |
519fb2b7 RG |
950 | if (unit >= NSD) |
951 | return (ENXIO); /* 31 Jul 92 */ | |
98639498 | 952 | |
d4284689 | 953 | sd = sd_data[unit]; |
519fb2b7 RG |
954 | if (!sd) |
955 | return (ENXIO); | |
98639498 | 956 | /* was it ever initialized etc. ? */ |
519fb2b7 RG |
957 | if (!(sd->flags & SDINIT)) |
958 | return (ENXIO); | |
959 | if (sd->sc_link->flags & SDEV_MEDIA_LOADED != SDEV_MEDIA_LOADED) | |
960 | return (ENXIO); | |
961 | if (sd->flags & SDWRITEPROT) | |
962 | return (ENXIO); | |
a0becc21 | 963 | |
98639498 | 964 | /* Convert to disk sectors */ |
519fb2b7 | 965 | num = (u_int32) num * NBPG / sd->disklabel.d_secsize; |
a0becc21 | 966 | |
98639498 | 967 | /* check if controller active */ |
519fb2b7 RG |
968 | if (sddoingadump) |
969 | return (EFAULT); | |
a0becc21 | 970 | |
98639498 RG |
971 | nblocks = sd->disklabel.d_partitions[part].p_size; |
972 | blkoff = sd->disklabel.d_partitions[part].p_offset; | |
a0becc21 | 973 | |
98639498 RG |
974 | /* check transfer bounds against partition size */ |
975 | if ((dumplo < 0) || ((dumplo + num) > nblocks)) | |
519fb2b7 | 976 | return (EINVAL); |
98639498 | 977 | |
519fb2b7 | 978 | sddoingadump = 1; |
98639498 RG |
979 | |
980 | blknum = dumplo + blkoff; | |
519fb2b7 RG |
981 | /* blkcnt = initialise_me; */ |
982 | while (num > 0) { | |
983 | pmap_enter(kernel_pmap, | |
984 | MAPTO, | |
985 | trunc_page(addr), | |
986 | VM_PROT_READ, | |
987 | TRUE); | |
d4284689 | 988 | #ifndef NOT_TRUSTED |
519fb2b7 RG |
989 | /* |
990 | * Fill out the scsi command | |
991 | */ | |
98639498 | 992 | bzero(&cmd, sizeof(cmd)); |
519fb2b7 RG |
993 | cmd.op_code = WRITE_BIG; |
994 | cmd.addr_3 = (blknum & 0xff000000) >> 24; | |
995 | cmd.addr_2 = (blknum & 0xff0000) >> 16; | |
996 | cmd.addr_1 = (blknum & 0xff00) >> 8; | |
997 | cmd.addr_0 = blknum & 0xff; | |
998 | cmd.length2 = (blkcnt & 0xff00) >> 8; | |
999 | cmd.length1 = (blkcnt & 0xff); | |
1000 | /* | |
1001 | * Fill out the scsi_xfer structure | |
1002 | * Note: we cannot sleep as we may be an interrupt | |
1003 | * don't use scsi_scsi_cmd() as it may want | |
1004 | * to wait for an xs. | |
1005 | */ | |
98639498 | 1006 | bzero(xs, sizeof(sx)); |
519fb2b7 RG |
1007 | xs->flags |= SCSI_NOMASK | SCSI_NOSLEEP | INUSE; |
1008 | xs->sc_link = sd->sc_link; | |
1009 | xs->retries = SD_RETRIES; | |
1010 | xs->timeout = 10000; /* 10000 millisecs for a disk ! */ | |
1011 | xs->cmd = (struct scsi_generic *) &cmd; | |
1012 | xs->cmdlen = sizeof(cmd); | |
1013 | xs->resid = blkcnt * 512; | |
1014 | xs->error = XS_NOERROR; | |
1015 | xs->bp = 0; | |
1016 | xs->data = (u_char *) MAPTO; | |
1017 | xs->datalen = blkcnt * 512; | |
1018 | ||
1019 | /* | |
1020 | * Pass all this info to the scsi driver. | |
1021 | */ | |
1022 | retval = (*(sd->sc_link->adapter->scsi_cmd)) (xs); | |
1023 | switch (retval) { | |
1024 | case SUCCESSFULLY_QUEUED: | |
1025 | case HAD_ERROR: | |
1026 | return (ENXIO); /* we said not to sleep! */ | |
1027 | case COMPLETE: | |
98639498 RG |
1028 | break; |
1029 | default: | |
519fb2b7 | 1030 | return (ENXIO); /* we said not to sleep! */ |
98639498 | 1031 | } |
519fb2b7 RG |
1032 | #else /* NOT_TRUSTED */ |
1033 | /* lets just talk about this first... */ | |
1034 | printf("sd%d: dump addr 0x%x, blk %d\n", unit, addr, blknum); | |
1035 | #endif /* NOT_TRUSTED */ | |
1036 | ||
1037 | if ((unsigned) addr % (1024 * 1024) == 0) | |
1038 | printf("%d ", num / 2048); | |
98639498 | 1039 | /* update block count */ |
519fb2b7 RG |
1040 | num -= blkcnt; |
1041 | blknum += blkcnt; | |
1042 | (int) addr += 512 * blkcnt; | |
98639498 RG |
1043 | |
1044 | /* operator aborting dump? */ | |
519fb2b7 RG |
1045 | if ((c = sgetc(1)) && (c != 0x100)) |
1046 | return (EINTR); | |
98639498 | 1047 | } |
519fb2b7 | 1048 | return (0); |
98639498 | 1049 | } |
519fb2b7 RG |
1050 | #else /* SCSIDUMP */ |
1051 | errval | |
98639498 RG |
1052 | sddump() |
1053 | { | |
1054 | printf("\nsddump() -- not implemented\n"); | |
519fb2b7 RG |
1055 | DELAY(60000000); /* 60 seconds */ |
1056 | return -1; | |
98639498 | 1057 | } |
519fb2b7 | 1058 | #endif /* SCSIDUMP */ |