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 | * |
4c45483e | 17 | * $Id: sd.c,v 1.12 1993/11/18 05:03:02 rgrimes 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 RG |
51 | int Debugger(); |
52 | #else /* NDDB > 0 */ | |
15637ed4 | 53 | #define Debugger() |
519fb2b7 RG |
54 | #endif /* NDDB > 0 */ |
55 | #endif | |
15637ed4 RG |
56 | |
57 | #define PAGESIZ 4096 | |
58 | #define SECSIZE 512 | |
519fb2b7 | 59 | #define PDLOCATION 29 |
15637ed4 RG |
60 | #define BOOTRECORDSIGNATURE (0x55aa & 0x00ff) |
61 | #define SDOUTSTANDING 2 | |
62 | #define SDQSIZE 4 | |
63 | #define SD_RETRIES 4 | |
64 | ||
65 | #define MAKESDDEV(maj, unit, part) (makedev(maj,((unit<<3)+part))) | |
66 | #define UNITSHIFT 3 | |
67 | #define PARTITION(z) (minor(z) & 0x07) | |
68 | #define RAW_PART 3 | |
69 | #define UNIT(z) ( (minor(z) >> UNITSHIFT) ) | |
70 | ||
71 | #define WHOLE_DISK(unit) ( (unit << UNITSHIFT) + RAW_PART ) | |
72 | ||
519fb2b7 RG |
73 | errval sdgetdisklabel __P((unsigned char unit)); |
74 | errval sd_get_parms __P((int unit, int flags)); | |
4c45483e GW |
75 | void sdstrategy __P((struct buf *)); |
76 | void sdstart __P((u_int32)); | |
15637ed4 | 77 | |
519fb2b7 | 78 | struct scsi_device sd_switch = |
15637ed4 | 79 | { |
519fb2b7 RG |
80 | NULL, /* Use default error handler */ |
81 | sdstart, /* have a queue, served by this */ | |
82 | NULL, /* have no async handler */ | |
83 | NULL, /* Use default 'done' routine */ | |
84 | "sd", | |
85 | 0, | |
86 | { 0, 0 } | |
87 | }; | |
88 | ||
89 | struct sd_data { | |
90 | u_int32 flags; | |
91 | #define SDINIT 0x04 /* device has been init'd */ | |
92 | #define SDHAVELABEL 0x10 /* have read the label */ | |
93 | #define SDDOSPART 0x20 /* Have read the DOS partition table */ | |
94 | #define SDWRITEPROT 0x40 /* Device in readonly mode (S/W) */ | |
95 | struct scsi_link *sc_link; /* contains our targ, lun etc. */ | |
96 | u_int32 ad_info; /* info about the adapter */ | |
97 | u_int32 cmdscount; /* cmds allowed outstanding by board */ | |
98 | boolean wlabel; /* label is writable */ | |
99 | struct disk_parms { | |
100 | u_char heads; /* Number of heads */ | |
101 | u_int16 cyls; /* Number of cylinders */ | |
102 | u_char sectors; /*dubious *//* Number of sectors/track */ | |
103 | u_int16 secsiz; /* Number of bytes/sector */ | |
104 | u_int32 disksize; /* total number sectors */ | |
105 | } params; | |
106 | struct disklabel disklabel; | |
107 | #ifdef NetBSD | |
108 | struct cpu_disklabel cpudisklabel; | |
109 | #else | |
110 | struct dos_partition dosparts[NDOSPART]; /* DOS view of disk */ | |
111 | #endif /* NetBSD */ | |
112 | u_int32 partflags[MAXPARTITIONS]; /* per partition flags */ | |
15637ed4 | 113 | #define SDOPEN 0x01 |
519fb2b7 RG |
114 | u_int32 openparts; /* one bit for each open partition */ |
115 | u_int32 sd_start_of_unix; /* unix vs dos partitions */ | |
116 | struct buf buf_queue; | |
117 | u_int32 xfer_block_wait; | |
118 | } *sd_data[NSD]; | |
15637ed4 | 119 | |
519fb2b7 | 120 | static u_int32 next_sd_unit = 0; |
15637ed4 | 121 | |
519fb2b7 RG |
122 | /* |
123 | * The routine called by the low level scsi routine when it discovers | |
124 | * a device suitable for this driver. | |
125 | */ | |
126 | errval | |
127 | sdattach(sc_link) | |
128 | struct scsi_link *sc_link; | |
15637ed4 | 129 | { |
519fb2b7 | 130 | u_int32 unit; |
15637ed4 RG |
131 | struct sd_data *sd; |
132 | struct disk_parms *dp; | |
15637ed4 RG |
133 | |
134 | unit = next_sd_unit++; | |
519fb2b7 RG |
135 | SC_DEBUG(sc_link, SDEV_DB2, ("sdattach: ")); |
136 | /* | |
137 | * Check we have the resources for another drive | |
138 | */ | |
139 | if (unit >= NSD) { | |
140 | printf("Too many scsi disks..(%d > %d) reconfigure kernel\n", | |
141 | (unit + 1), NSD); | |
142 | return 0; | |
15637ed4 | 143 | } |
519fb2b7 RG |
144 | if (sd_data[unit]) { |
145 | printf("sd%d: unit already has storage allocated!\n", unit); | |
146 | return 0; | |
d4284689 | 147 | } |
519fb2b7 RG |
148 | sd = sd_data[unit] = malloc(sizeof(struct sd_data), M_DEVBUF, M_NOWAIT); |
149 | if (!sd) { | |
d4284689 | 150 | printf("malloc failed in sd.c\n"); |
519fb2b7 | 151 | return (0); |
d4284689 | 152 | } |
519fb2b7 RG |
153 | bzero(sd, sizeof(struct sd_data)); |
154 | ||
155 | dp = &(sd->params); | |
156 | /* | |
157 | * Store information needed to contact our base driver | |
158 | */ | |
159 | sd->sc_link = sc_link; | |
160 | sc_link->device = &sd_switch; | |
161 | sc_link->dev_unit = unit; | |
162 | ||
163 | if (sd->sc_link->adapter->adapter_info) { | |
164 | sd->ad_info = ((*(sd->sc_link->adapter->adapter_info)) (sc_link->adapter_unit)); | |
165 | sd->cmdscount = sd->ad_info & AD_INF_MAX_CMDS; | |
166 | if (sd->cmdscount > SDOUTSTANDING) { | |
15637ed4 RG |
167 | sd->cmdscount = SDOUTSTANDING; |
168 | } | |
519fb2b7 | 169 | } else { |
15637ed4 | 170 | sd->ad_info = 1; |
519fb2b7 RG |
171 | sd->cmdscount = 1; |
172 | } | |
173 | sc_link->opennings = sd->cmdscount; | |
174 | /* | |
175 | * Use the subdriver to request information regarding | |
176 | * the drive. We cannot use interrupts yet, so the | |
177 | * request must specify this. | |
178 | */ | |
179 | sd_get_parms(unit, SCSI_NOSLEEP | SCSI_NOMASK); | |
98639498 | 180 | printf("sd%d: %dMB (%d total sec), %d cyl, %d head, %d sec, bytes/sec %d\n", |
519fb2b7 RG |
181 | unit, |
182 | dp->disksize / ((1024L * 1024L) / dp->secsiz), | |
183 | dp->disksize, | |
184 | dp->cyls, | |
185 | dp->heads, | |
186 | dp->sectors, | |
187 | dp->secsiz); | |
15637ed4 | 188 | sd->flags |= SDINIT; |
519fb2b7 | 189 | return 0; |
15637ed4 RG |
190 | } |
191 | ||
519fb2b7 RG |
192 | /* |
193 | * open the device. Make sure the partition info is a up-to-date as can be. | |
194 | */ | |
195 | errval | |
15637ed4 | 196 | sdopen(dev) |
519fb2b7 | 197 | int dev; /* XXX should be dev_t, but avoid promotion problems for now */ |
15637ed4 | 198 | { |
519fb2b7 RG |
199 | errval errcode = 0; |
200 | u_int32 unit, part; | |
201 | struct sd_data *sd; | |
202 | struct scsi_link *sc_link; | |
15637ed4 RG |
203 | |
204 | unit = UNIT(dev); | |
205 | part = PARTITION(dev); | |
d4284689 | 206 | sd = sd_data[unit]; |
519fb2b7 RG |
207 | /* |
208 | * Check the unit is legal | |
209 | */ | |
210 | if (unit >= NSD) { | |
211 | return (ENXIO); | |
15637ed4 | 212 | } |
519fb2b7 RG |
213 | /* |
214 | * Make sure the disk has been initialised | |
215 | * At some point in the future, get the scsi driver | |
216 | * to look for a new device if we are not initted | |
217 | */ | |
218 | if ((!sd) || (!(sd->flags & SDINIT))) { | |
219 | return (ENXIO); | |
15637ed4 | 220 | } |
519fb2b7 RG |
221 | sc_link = sd->sc_link; |
222 | ||
223 | SC_DEBUG(sc_link, SDEV_DB1, | |
224 | ("sdopen: dev=0x%x (unit %d (of %d),partition %d)\n" | |
225 | ,dev, unit, NSD, part)); | |
226 | ||
227 | /* | |
228 | * "unit attention" errors should occur here if the | |
229 | * drive has been restarted or the pack changed. | |
230 | * just ingnore the result, it's a decoy instruction | |
231 | * The error code will act on the error though | |
232 | * and invalidate any media information we had. | |
233 | */ | |
234 | scsi_test_unit_ready(sc_link, 0); | |
235 | ||
236 | /* | |
237 | * If it's been invalidated, then forget the label | |
238 | */ | |
239 | sc_link->flags |= SDEV_OPEN; /* unit attn becomes an err now */ | |
240 | if (!(sc_link->flags & SDEV_MEDIA_LOADED)) { | |
241 | sd->flags &= ~SDHAVELABEL; | |
15637ed4 | 242 | |
519fb2b7 RG |
243 | /* |
244 | * If somebody still has it open, then forbid re-entry. | |
245 | */ | |
246 | if (sd->openparts) { | |
247 | errcode = ENXIO; | |
248 | goto bad; | |
249 | } | |
250 | } | |
251 | /* | |
252 | * In case it is a funny one, tell it to start | |
253 | * not needed for most hard drives (ignore failure) | |
254 | */ | |
255 | scsi_start_unit(sc_link, SCSI_ERR_OK | SCSI_SILENT); | |
256 | ||
257 | /* | |
258 | * Check that it is still responding and ok. | |
259 | */ | |
260 | if (scsi_test_unit_ready(sc_link, 0)) { | |
261 | SC_DEBUG(sc_link, SDEV_DB3, ("device not reponding\n")); | |
262 | errcode = ENXIO; | |
263 | goto bad; | |
d4284689 | 264 | } |
519fb2b7 RG |
265 | SC_DEBUG(sc_link, SDEV_DB3, ("device ok\n")); |
266 | ||
267 | /* | |
268 | * Load the physical device parameters | |
269 | */ | |
270 | sd_get_parms(unit, 0); /* sets SDEV_MEDIA_LOADED */ | |
271 | if (sd->params.secsiz != SECSIZE) { /* XXX One day... */ | |
272 | printf("sd%d: Can't deal with %d bytes logical blocks\n", | |
273 | unit, sd->params.secsiz); | |
15637ed4 | 274 | Debugger(); |
519fb2b7 RG |
275 | errcode = ENXIO; |
276 | goto bad; | |
15637ed4 | 277 | } |
519fb2b7 RG |
278 | SC_DEBUG(sc_link, SDEV_DB3, ("Params loaded ")); |
279 | ||
280 | /* Lock the pack in. */ | |
281 | scsi_prevent(sc_link, PR_PREVENT, SCSI_ERR_OK | SCSI_SILENT); | |
282 | ||
283 | /* | |
284 | * Load the partition info if not already loaded. | |
285 | */ | |
286 | if ((errcode = sdgetdisklabel(unit)) && (part != RAW_PART)) { | |
287 | goto bad; | |
15637ed4 | 288 | } |
519fb2b7 RG |
289 | SC_DEBUG(sc_link, SDEV_DB3, ("Disklabel loaded ")); |
290 | /* | |
291 | * Check the partition is legal | |
292 | */ | |
293 | if (part >= MAXPARTITIONS) { | |
294 | errcode = ENXIO; | |
295 | goto bad; | |
15637ed4 | 296 | } |
519fb2b7 RG |
297 | SC_DEBUG(sc_link, SDEV_DB3, ("partition ok")); |
298 | ||
299 | /* | |
300 | * Check that the partition exists | |
301 | */ | |
302 | if ((sd->disklabel.d_partitions[part].p_size == 0) | |
303 | && (part != RAW_PART)) { | |
304 | errcode = ENXIO; | |
305 | goto bad; | |
15637ed4 RG |
306 | } |
307 | sd->partflags[part] |= SDOPEN; | |
308 | sd->openparts |= (1 << part); | |
519fb2b7 RG |
309 | SC_DEBUG(sc_link, SDEV_DB3, ("open %d %d\n", sdstrats, sdqueues)); |
310 | return 0; | |
15637ed4 | 311 | |
519fb2b7 RG |
312 | bad: |
313 | if (!(sd->openparts)) { | |
314 | scsi_prevent(sc_link, PR_ALLOW, SCSI_ERR_OK | SCSI_SILENT); | |
315 | sc_link->flags &= ~SDEV_OPEN; | |
15637ed4 | 316 | } |
519fb2b7 | 317 | return errcode; |
15637ed4 RG |
318 | } |
319 | ||
519fb2b7 RG |
320 | /* |
321 | * close the device.. only called if we are the LAST occurence of an open | |
322 | * device. Convenient now but usually a pain. | |
323 | */ | |
324 | errval | |
325 | sdclose(dev) | |
326 | dev_t dev; | |
15637ed4 | 327 | { |
519fb2b7 RG |
328 | unsigned char unit, part; |
329 | struct sd_data *sd; | |
330 | ||
331 | unit = UNIT(dev); | |
332 | part = PARTITION(dev); | |
333 | sd = sd_data[unit]; | |
334 | sd->partflags[part] &= ~SDOPEN; | |
335 | sd->openparts &= ~(1 << part); | |
336 | scsi_prevent(sd->sc_link, PR_ALLOW, SCSI_SILENT | SCSI_ERR_OK); | |
337 | if (!(sd->openparts)) | |
338 | sd->sc_link->flags &= ~SDEV_OPEN; | |
339 | return 0; | |
15637ed4 RG |
340 | } |
341 | ||
519fb2b7 RG |
342 | /* |
343 | * trim the size of the transfer if needed, called by physio | |
344 | * basically the smaller of our max and the scsi driver's | |
345 | * minphys (note we have no max) | |
346 | * | |
347 | * Trim buffer length if buffer-size is bigger than page size | |
348 | */ | |
349 | void | |
350 | sdminphys(bp) | |
351 | struct buf *bp; | |
15637ed4 | 352 | { |
519fb2b7 | 353 | (*(sd_data[UNIT(bp->b_dev)]->sc_link->adapter->scsi_minphys)) (bp); |
15637ed4 RG |
354 | } |
355 | ||
519fb2b7 RG |
356 | /* |
357 | * Actually translate the requested transfer into one the physical driver | |
358 | * can understand. The transfer is described by a buf and will include | |
359 | * only one physical transfer. | |
360 | */ | |
4c45483e | 361 | void |
519fb2b7 RG |
362 | sdstrategy(bp) |
363 | struct buf *bp; | |
15637ed4 | 364 | { |
519fb2b7 RG |
365 | struct buf *dp; |
366 | u_int32 opri; | |
367 | struct sd_data *sd; | |
368 | u_int32 unit; | |
15637ed4 RG |
369 | |
370 | sdstrats++; | |
371 | unit = UNIT((bp->b_dev)); | |
d4284689 | 372 | sd = sd_data[unit]; |
519fb2b7 RG |
373 | SC_DEBUG(sd->sc_link, SDEV_DB2, ("sdstrategy ")); |
374 | SC_DEBUG(sd->sc_link, SDEV_DB1, | |
375 | (" %d bytes @ blk%d\n", bp->b_bcount, bp->b_blkno)); | |
15637ed4 | 376 | sdminphys(bp); |
519fb2b7 RG |
377 | /* |
378 | * If the device has been made invalid, error out | |
379 | */ | |
380 | if (!(sd->sc_link->flags & SDEV_MEDIA_LOADED)) { | |
381 | sd->flags &= ~SDHAVELABEL; | |
15637ed4 RG |
382 | bp->b_error = EIO; |
383 | goto bad; | |
384 | } | |
519fb2b7 RG |
385 | /* |
386 | * "soft" write protect check | |
387 | */ | |
15637ed4 RG |
388 | if ((sd->flags & SDWRITEPROT) && (bp->b_flags & B_READ) == 0) { |
389 | bp->b_error = EROFS; | |
390 | goto bad; | |
391 | } | |
519fb2b7 RG |
392 | /* |
393 | * If it's a null transfer, return immediatly | |
394 | */ | |
395 | if (bp->b_bcount == 0) { | |
15637ed4 RG |
396 | goto done; |
397 | } | |
519fb2b7 RG |
398 | /* |
399 | * Decide which unit and partition we are talking about | |
400 | * only raw is ok if no label | |
401 | */ | |
402 | if (PARTITION(bp->b_dev) != RAW_PART) { | |
403 | if (!(sd->flags & SDHAVELABEL)) { | |
15637ed4 RG |
404 | bp->b_error = EIO; |
405 | goto bad; | |
406 | } | |
15637ed4 RG |
407 | /* |
408 | * do bounds checking, adjust transfer. if error, process. | |
409 | * if end of partition, just return | |
410 | */ | |
519fb2b7 | 411 | if (bounds_check_with_label(bp, &sd->disklabel, sd->wlabel) <= 0) |
15637ed4 RG |
412 | goto done; |
413 | /* otherwise, process transfer request */ | |
414 | } | |
15637ed4 | 415 | opri = SPLSD(); |
519fb2b7 | 416 | dp = &sd->buf_queue; |
15637ed4 | 417 | |
519fb2b7 RG |
418 | /* |
419 | * Place it in the queue of disk activities for this disk | |
420 | */ | |
15637ed4 RG |
421 | disksort(dp, bp); |
422 | ||
519fb2b7 RG |
423 | /* |
424 | * Tell the device to get going on the transfer if it's | |
425 | * not doing anything, otherwise just wait for completion | |
426 | */ | |
15637ed4 RG |
427 | sdstart(unit); |
428 | ||
429 | splx(opri); | |
4c45483e | 430 | return /*0*/; |
15637ed4 RG |
431 | bad: |
432 | bp->b_flags |= B_ERROR; | |
433 | done: | |
434 | ||
519fb2b7 RG |
435 | /* |
436 | * Correctly set the buf to indicate a completed xfer | |
437 | */ | |
438 | bp->b_resid = bp->b_bcount; | |
15637ed4 | 439 | biodone(bp); |
4c45483e | 440 | return /*0*/; |
15637ed4 RG |
441 | } |
442 | ||
519fb2b7 RG |
443 | /* |
444 | * sdstart looks to see if there is a buf waiting for the device | |
445 | * and that the device is not already busy. If both are true, | |
446 | * It dequeues the buf and creates a scsi command to perform the | |
447 | * transfer in the buf. The transfer request will call scsi_done | |
448 | * on completion, which will in turn call this routine again | |
449 | * so that the next queued transfer is performed. | |
450 | * The bufs are queued by the strategy routine (sdstrategy) | |
451 | * | |
452 | * This routine is also called after other non-queued requests | |
453 | * have been made of the scsi driver, to ensure that the queue | |
454 | * continues to be drained. | |
455 | * | |
456 | * must be called at the correct (highish) spl level | |
457 | * sdstart() is called at SPLSD from sdstrategy and scsi_done | |
458 | */ | |
459 | void | |
15637ed4 | 460 | sdstart(unit) |
519fb2b7 | 461 | u_int32 unit; |
15637ed4 | 462 | { |
519fb2b7 RG |
463 | register struct sd_data *sd = sd_data[unit]; |
464 | register struct scsi_link *sc_link = sd->sc_link; | |
465 | struct buf *bp = 0; | |
466 | struct buf *dp; | |
467 | struct scsi_rw_big cmd; | |
468 | u_int32 blkno, nblk; | |
469 | struct partition *p; | |
470 | ||
471 | SC_DEBUG(sc_link, SDEV_DB2, ("sdstart ")); | |
472 | /* | |
473 | * Check if the device has room for another command | |
474 | */ | |
475 | while (sc_link->opennings) { | |
15637ed4 | 476 | |
519fb2b7 RG |
477 | /* |
478 | * there is excess capacity, but a special waits | |
479 | * It'll need the adapter as soon as we clear out of the | |
480 | * way and let it run (user level wait). | |
481 | */ | |
482 | if (sc_link->flags & SDEV_WAITING) { | |
483 | return; | |
484 | } | |
485 | /* | |
486 | * See if there is a buf with work for us to do.. | |
487 | */ | |
488 | dp = &sd->buf_queue; | |
489 | if ((bp = dp->b_actf) == NULL) { /* yes, an assign */ | |
490 | return; | |
491 | } | |
492 | dp->b_actf = bp->av_forw; | |
15637ed4 | 493 | |
519fb2b7 RG |
494 | /* |
495 | * If the device has become invalid, abort all the | |
496 | * reads and writes until all files have been closed and | |
497 | * re-openned | |
498 | */ | |
499 | if (!(sc_link->flags & SDEV_MEDIA_LOADED)) { | |
500 | sd->flags &= ~SDHAVELABEL; | |
501 | goto bad; | |
502 | } | |
503 | /* | |
504 | * We have a buf, now we know we are going to go through | |
505 | * With this thing.. | |
506 | * | |
507 | * First, translate the block to absolute | |
508 | */ | |
509 | p = sd->disklabel.d_partitions + PARTITION(bp->b_dev); | |
510 | blkno = bp->b_blkno + p->p_offset; | |
511 | nblk = (bp->b_bcount + 511) >> 9; | |
d4284689 | 512 | |
519fb2b7 RG |
513 | /* |
514 | * Fill out the scsi command | |
515 | */ | |
516 | bzero(&cmd, sizeof(cmd)); | |
517 | cmd.op_code = (bp->b_flags & B_READ) | |
518 | ? READ_BIG : WRITE_BIG; | |
519 | cmd.addr_3 = (blkno & 0xff000000) >> 24; | |
520 | cmd.addr_2 = (blkno & 0xff0000) >> 16; | |
521 | cmd.addr_1 = (blkno & 0xff00) >> 8; | |
522 | cmd.addr_0 = blkno & 0xff; | |
523 | cmd.length2 = (nblk & 0xff00) >> 8; | |
524 | cmd.length1 = (nblk & 0xff); | |
525 | /* | |
526 | * Call the routine that chats with the adapter. | |
527 | * Note: we cannot sleep as we may be an interrupt | |
528 | */ | |
529 | if (scsi_scsi_cmd(sc_link, | |
530 | (struct scsi_generic *) &cmd, | |
d4284689 | 531 | sizeof(cmd), |
519fb2b7 | 532 | (u_char *) bp->b_un.b_addr, |
d4284689 | 533 | bp->b_bcount, |
519fb2b7 | 534 | SD_RETRIES, |
d4284689 RG |
535 | 10000, |
536 | bp, | |
519fb2b7 RG |
537 | SCSI_NOSLEEP | ((bp->b_flags & B_READ) ? |
538 | SCSI_DATA_IN : SCSI_DATA_OUT)) | |
539 | == SUCCESSFULLY_QUEUED) { | |
540 | sdqueues++; | |
541 | } else { | |
d4284689 | 542 | bad: |
519fb2b7 RG |
543 | printf("sd%d: oops not queued", unit); |
544 | bp->b_error = EIO; | |
545 | bp->b_flags |= B_ERROR; | |
546 | biodone(bp); | |
547 | } | |
15637ed4 | 548 | } |
15637ed4 RG |
549 | } |
550 | ||
519fb2b7 RG |
551 | /* |
552 | * Perform special action on behalf of the user | |
553 | * Knows about the internals of this device | |
554 | */ | |
555 | errval | |
15637ed4 RG |
556 | sdioctl(dev_t dev, int cmd, caddr_t addr, int flag) |
557 | { | |
519fb2b7 RG |
558 | /* struct sd_cmd_buf *args; */ |
559 | errval error = 0; | |
15637ed4 RG |
560 | unsigned char unit, part; |
561 | register struct sd_data *sd; | |
562 | ||
519fb2b7 RG |
563 | /* |
564 | * Find the device that the user is talking about | |
565 | */ | |
15637ed4 RG |
566 | unit = UNIT(dev); |
567 | part = PARTITION(dev); | |
d4284689 | 568 | sd = sd_data[unit]; |
519fb2b7 RG |
569 | SC_DEBUG(sd->sc_link, SDEV_DB1, ("sdioctl (0x%x)", cmd)); |
570 | ||
571 | /* | |
572 | * If the device is not valid.. abandon ship | |
573 | */ | |
574 | if (!(sd->sc_link->flags & SDEV_MEDIA_LOADED)) | |
575 | return (EIO); | |
576 | switch (cmd) { | |
15637ed4 RG |
577 | |
578 | case DIOCSBAD: | |
519fb2b7 | 579 | error = EINVAL; |
15637ed4 RG |
580 | break; |
581 | ||
582 | case DIOCGDINFO: | |
519fb2b7 RG |
583 | *(struct disklabel *) addr = sd->disklabel; |
584 | break; | |
585 | ||
586 | case DIOCGPART: | |
587 | ((struct partinfo *) addr)->disklab = &sd->disklabel; | |
588 | ((struct partinfo *) addr)->part = | |
589 | &sd->disklabel.d_partitions[PARTITION(dev)]; | |
15637ed4 RG |
590 | break; |
591 | ||
519fb2b7 RG |
592 | case DIOCSDINFO: |
593 | if ((flag & FWRITE) == 0) | |
594 | error = EBADF; | |
595 | else | |
596 | error = setdisklabel(&sd->disklabel, | |
597 | (struct disklabel *)addr, | |
598 | /*(sd->flags & DKFL_BSDLABEL) ? sd->openparts : */ 0, | |
599 | #ifdef NetBSD | |
600 | &sd->cpudisklabel | |
601 | #else | |
602 | sd->dosparts | |
603 | #endif | |
604 | ); | |
605 | if (error == 0) { | |
15637ed4 RG |
606 | sd->flags |= SDHAVELABEL; |
607 | } | |
519fb2b7 | 608 | break; |
15637ed4 | 609 | |
519fb2b7 | 610 | case DIOCWLABEL: |
15637ed4 | 611 | sd->flags &= ~SDWRITEPROT; |
519fb2b7 RG |
612 | if ((flag & FWRITE) == 0) |
613 | error = EBADF; | |
614 | else | |
615 | sd->wlabel = *(boolean *) addr; | |
616 | break; | |
15637ed4 | 617 | |
519fb2b7 | 618 | case DIOCWDINFO: |
15637ed4 | 619 | sd->flags &= ~SDWRITEPROT; |
519fb2b7 RG |
620 | if ((flag & FWRITE) == 0) |
621 | error = EBADF; | |
622 | else { | |
623 | error = setdisklabel(&sd->disklabel, | |
624 | (struct disklabel *)addr, | |
625 | /*(sd->flags & SDHAVELABEL) ? sd->openparts : */ 0, | |
626 | #ifdef NetBSD | |
627 | &sd->cpudisklabel | |
628 | #else | |
629 | sd->dosparts | |
630 | #endif | |
631 | ); | |
632 | if (!error) { | |
633 | boolean wlab; | |
634 | ||
635 | /* ok - write will succeed */ | |
636 | sd->flags |= SDHAVELABEL; | |
637 | ||
638 | /* simulate opening partition 0 so write succeeds */ | |
639 | sd->openparts |= (1 << 0); /* XXX */ | |
640 | wlab = sd->wlabel; | |
641 | sd->wlabel = 1; | |
642 | error = writedisklabel(dev, sdstrategy, | |
643 | &sd->disklabel, | |
644 | #ifdef NetBSD | |
645 | &sd->cpudisklabel | |
646 | #else | |
647 | sd->dosparts | |
648 | #endif | |
649 | ); | |
650 | sd->wlabel = wlab; | |
651 | } | |
652 | } | |
653 | break; | |
15637ed4 RG |
654 | |
655 | default: | |
519fb2b7 RG |
656 | if (part == RAW_PART) |
657 | error = scsi_do_ioctl(sd->sc_link, cmd, addr, flag); | |
658 | else | |
659 | error = ENOTTY; | |
15637ed4 RG |
660 | break; |
661 | } | |
519fb2b7 | 662 | return error; |
15637ed4 RG |
663 | } |
664 | ||
519fb2b7 RG |
665 | /* |
666 | * Load the label information on the named device | |
667 | */ | |
668 | errval | |
669 | sdgetdisklabel(unsigned char unit) | |
15637ed4 | 670 | { |
519fb2b7 | 671 | char *errstring; |
d4284689 | 672 | struct sd_data *sd = sd_data[unit]; |
15637ed4 | 673 | |
519fb2b7 RG |
674 | /* |
675 | * If the inflo is already loaded, use it | |
676 | */ | |
677 | if (sd->flags & SDHAVELABEL) | |
678 | return (ESUCCESS); | |
679 | ||
680 | bzero(&sd->disklabel, sizeof(struct disklabel)); | |
681 | /* | |
682 | * make partition 3 the whole disk in case of failure then get pdinfo | |
683 | * for historical reasons, make part a same as raw part | |
684 | */ | |
15637ed4 RG |
685 | sd->disklabel.d_partitions[0].p_offset = 0; |
686 | sd->disklabel.d_partitions[0].p_size = sd->params.disksize; | |
687 | sd->disklabel.d_partitions[RAW_PART].p_offset = 0; | |
688 | sd->disklabel.d_partitions[RAW_PART].p_size = sd->params.disksize; | |
689 | sd->disklabel.d_npartitions = MAXPARTITIONS; | |
519fb2b7 | 690 | sd->disklabel.d_secsize = SECSIZE; /* as long as it's not 0 */ |
15637ed4 RG |
691 | sd->disklabel.d_ntracks = sd->params.heads; |
692 | sd->disklabel.d_nsectors = sd->params.sectors; | |
693 | sd->disklabel.d_ncylinders = sd->params.cyls; | |
694 | sd->disklabel.d_secpercyl = sd->params.heads * sd->params.sectors; | |
519fb2b7 | 695 | if (sd->disklabel.d_secpercyl == 0) { |
15637ed4 | 696 | sd->disklabel.d_secpercyl = 100; |
519fb2b7 | 697 | /* as long as it's not 0 - readdisklabel divides by it (?) */ |
15637ed4 | 698 | } |
519fb2b7 RG |
699 | /* |
700 | * Call the generic disklabel extraction routine | |
701 | */ | |
702 | if (errstring = readdisklabel(makedev(0, (unit << UNITSHIFT) + 3), | |
703 | sdstrategy, | |
704 | &sd->disklabel, | |
705 | #ifdef NetBSD | |
706 | &sd->cpudisklabel | |
707 | #else | |
708 | sd->dosparts, | |
709 | 0, | |
710 | 0 | |
711 | #endif | |
712 | )) { | |
713 | printf("sd%d: %s\n", unit, errstring); | |
714 | return ENXIO; | |
15637ed4 | 715 | } |
519fb2b7 RG |
716 | sd->flags |= SDHAVELABEL; /* WE HAVE IT ALL NOW */ |
717 | return ESUCCESS; | |
15637ed4 RG |
718 | } |
719 | ||
519fb2b7 RG |
720 | /* |
721 | * Find out from the device what it's capacity is | |
722 | */ | |
723 | u_int32 | |
15637ed4 | 724 | sd_size(unit, flags) |
519fb2b7 | 725 | int unit, flags; |
15637ed4 RG |
726 | { |
727 | struct scsi_read_cap_data rdcap; | |
728 | struct scsi_read_capacity scsi_cmd; | |
519fb2b7 | 729 | u_int32 size; |
15637ed4 | 730 | |
519fb2b7 RG |
731 | /* |
732 | * make up a scsi command and ask the scsi driver to do | |
733 | * it for you. | |
734 | */ | |
15637ed4 RG |
735 | bzero(&scsi_cmd, sizeof(scsi_cmd)); |
736 | scsi_cmd.op_code = READ_CAPACITY; | |
737 | ||
519fb2b7 RG |
738 | /* |
739 | * If the command works, interpret the result as a 4 byte | |
740 | * number of blocks | |
741 | */ | |
742 | if (scsi_scsi_cmd(sd_data[unit]->sc_link, | |
743 | (struct scsi_generic *) &scsi_cmd, | |
744 | sizeof(scsi_cmd), | |
745 | (u_char *) & rdcap, | |
746 | sizeof(rdcap), | |
747 | SD_RETRIES, | |
748 | 2000, | |
749 | NULL, | |
750 | flags | SCSI_DATA_IN) != 0) { | |
bb8f9615 | 751 | printf("sd%d: could not get size\n", unit); |
519fb2b7 | 752 | return (0); |
15637ed4 | 753 | } else { |
519fb2b7 | 754 | size = rdcap.addr_0 + 1; |
15637ed4 RG |
755 | size += rdcap.addr_1 << 8; |
756 | size += rdcap.addr_2 << 16; | |
757 | size += rdcap.addr_3 << 24; | |
758 | } | |
519fb2b7 | 759 | return (size); |
15637ed4 RG |
760 | } |
761 | ||
519fb2b7 RG |
762 | /* |
763 | * Tell the device to map out a defective block | |
764 | */ | |
765 | errval | |
766 | sd_reassign_blocks(unit, block) | |
767 | int unit, block; | |
15637ed4 | 768 | { |
519fb2b7 RG |
769 | struct scsi_reassign_blocks scsi_cmd; |
770 | struct scsi_reassign_blocks_data rbdata; | |
15637ed4 RG |
771 | |
772 | bzero(&scsi_cmd, sizeof(scsi_cmd)); | |
773 | bzero(&rbdata, sizeof(rbdata)); | |
774 | scsi_cmd.op_code = REASSIGN_BLOCKS; | |
775 | ||
776 | rbdata.length_msb = 0; | |
777 | rbdata.length_lsb = sizeof(rbdata.defect_descriptor[0]); | |
778 | rbdata.defect_descriptor[0].dlbaddr_3 = ((block >> 24) & 0xff); | |
779 | rbdata.defect_descriptor[0].dlbaddr_2 = ((block >> 16) & 0xff); | |
519fb2b7 RG |
780 | rbdata.defect_descriptor[0].dlbaddr_1 = ((block >> 8) & 0xff); |
781 | rbdata.defect_descriptor[0].dlbaddr_0 = ((block) & 0xff); | |
782 | ||
783 | return (scsi_scsi_cmd(sd_data[unit]->sc_link, | |
784 | (struct scsi_generic *) &scsi_cmd, | |
785 | sizeof(scsi_cmd), | |
786 | (u_char *) & rbdata, | |
787 | sizeof(rbdata), | |
788 | SD_RETRIES, | |
789 | 5000, | |
790 | NULL, | |
791 | SCSI_DATA_OUT)); | |
15637ed4 | 792 | } |
15637ed4 RG |
793 | #define b2tol(a) (((unsigned)(a##_1) << 8) + (unsigned)a##_0 ) |
794 | ||
519fb2b7 RG |
795 | /* |
796 | * Get the scsi driver to send a full inquiry to the | |
797 | * device and use the results to fill out the disk | |
798 | * parameter structure. | |
799 | */ | |
800 | errval | |
801 | sd_get_parms(unit, flags) | |
802 | int unit, flags; | |
15637ed4 | 803 | { |
d4284689 | 804 | struct sd_data *sd = sd_data[unit]; |
15637ed4 | 805 | struct disk_parms *disk_parms = &sd->params; |
519fb2b7 RG |
806 | struct scsi_mode_sense scsi_cmd; |
807 | struct scsi_mode_sense_data { | |
808 | struct scsi_mode_header header; | |
809 | struct blk_desc blk_desc; | |
810 | union disk_pages pages; | |
811 | } scsi_sense; | |
812 | u_int32 sectors; | |
813 | ||
814 | /* | |
815 | * First check if we have it all loaded | |
816 | */ | |
817 | if (sd->flags & SDEV_MEDIA_LOADED) | |
818 | return 0; | |
819 | ||
820 | /* | |
821 | * do a "mode sense page 4" | |
822 | */ | |
15637ed4 RG |
823 | bzero(&scsi_cmd, sizeof(scsi_cmd)); |
824 | scsi_cmd.op_code = MODE_SENSE; | |
869c4419 | 825 | scsi_cmd.page = 4; |
15637ed4 | 826 | scsi_cmd.length = 0x20; |
519fb2b7 RG |
827 | /* |
828 | * If the command worked, use the results to fill out | |
829 | * the parameter structure | |
830 | */ | |
831 | if (scsi_scsi_cmd(sd->sc_link, | |
832 | (struct scsi_generic *) &scsi_cmd, | |
833 | sizeof(scsi_cmd), | |
834 | (u_char *) & scsi_sense, | |
835 | sizeof(scsi_sense), | |
836 | SD_RETRIES, | |
837 | 2000, | |
838 | NULL, | |
839 | flags | SCSI_DATA_IN) != 0) { | |
840 | ||
d4284689 RG |
841 | printf("sd%d could not mode sense (4).", unit); |
842 | printf(" Using ficticious geometry\n"); | |
98639498 RG |
843 | /* |
844 | * use adaptec standard ficticious geometry | |
d4284689 RG |
845 | * this depends on which controller (e.g. 1542C is |
846 | * different. but we have to put SOMETHING here..) | |
98639498 | 847 | */ |
15637ed4 RG |
848 | sectors = sd_size(unit, flags); |
849 | disk_parms->heads = 64; | |
850 | disk_parms->sectors = 32; | |
519fb2b7 | 851 | disk_parms->cyls = sectors / (64 * 32); |
15637ed4 | 852 | disk_parms->secsiz = SECSIZE; |
98639498 | 853 | disk_parms->disksize = sectors; |
519fb2b7 | 854 | } else { |
d4284689 | 855 | |
519fb2b7 RG |
856 | SC_DEBUG(sd->sc_link, SDEV_DB3, |
857 | ("%d cyls, %d heads, %d precomp, %d red_write, %d land_zone\n", | |
15637ed4 RG |
858 | _3btol(&scsi_sense.pages.rigid_geometry.ncyl_2), |
859 | scsi_sense.pages.rigid_geometry.nheads, | |
860 | b2tol(scsi_sense.pages.rigid_geometry.st_cyl_wp), | |
861 | b2tol(scsi_sense.pages.rigid_geometry.st_cyl_rwc), | |
519fb2b7 RG |
862 | b2tol(scsi_sense.pages.rigid_geometry.land_zone))); |
863 | ||
864 | /* | |
865 | * KLUDGE!!(for zone recorded disks) | |
866 | * give a number of sectors so that sec * trks * cyls | |
867 | * is <= disk_size | |
868 | * can lead to wasted space! THINK ABOUT THIS ! | |
869 | */ | |
15637ed4 RG |
870 | disk_parms->heads = scsi_sense.pages.rigid_geometry.nheads; |
871 | disk_parms->cyls = _3btol(&scsi_sense.pages.rigid_geometry.ncyl_2); | |
519fb2b7 | 872 | disk_parms->secsiz = _3btol(scsi_sense.blk_desc.blklen); |
15637ed4 RG |
873 | |
874 | sectors = sd_size(unit, flags); | |
98639498 | 875 | disk_parms->disksize = sectors; |
d4284689 | 876 | sectors /= (disk_parms->heads * disk_parms->cyls); |
519fb2b7 | 877 | disk_parms->sectors = sectors; /* dubious on SCSI *//*XXX */ |
15637ed4 | 878 | } |
519fb2b7 RG |
879 | sd->sc_link->flags |= SDEV_MEDIA_LOADED; |
880 | return 0; | |
15637ed4 RG |
881 | } |
882 | ||
519fb2b7 RG |
883 | int |
884 | sdsize(dev_t dev) | |
15637ed4 | 885 | { |
519fb2b7 | 886 | u_int32 unit = UNIT(dev), part = PARTITION(dev), val; |
d4284689 | 887 | struct sd_data *sd; |
15637ed4 | 888 | |
519fb2b7 RG |
889 | if (unit >= NSD) |
890 | return -1; | |
d4284689 | 891 | |
519fb2b7 RG |
892 | sd = sd_data[unit]; |
893 | if (!sd) | |
894 | return -1; | |
895 | if ((sd->flags & SDINIT) == 0) | |
896 | return -1; | |
897 | if (sd == 0 || (sd->flags & SDHAVELABEL) == 0) { | |
898 | val = sdopen(MAKESDDEV(major(dev), unit, RAW_PART), FREAD, S_IFBLK, 0); | |
899 | if (val != 0) | |
900 | return -1; | |
15637ed4 | 901 | } |
519fb2b7 RG |
902 | if (sd->flags & SDWRITEPROT) |
903 | return -1; | |
15637ed4 | 904 | |
519fb2b7 | 905 | return (int)sd->disklabel.d_partitions[part].p_size; |
15637ed4 RG |
906 | } |
907 | ||
908 | ||
519fb2b7 RG |
909 | #define SCSIDUMP 1 |
910 | #undef SCSIDUMP | |
911 | #define NOT_TRUSTED 1 | |
15637ed4 | 912 | |
98639498 RG |
913 | #ifdef SCSIDUMP |
914 | #include <vm/vm.h> | |
519fb2b7 RG |
915 | |
916 | static struct scsi_xfer sx; | |
917 | #define MAXTRANSFER 8 /* 1 page at a time */ | |
918 | ||
919 | /* | |
920 | * dump all of physical memory into the partition specified, starting | |
921 | * at offset 'dumplo' into the partition. | |
922 | */ | |
923 | errval | |
924 | sddump(dev_t dev) | |
925 | { /* dump core after a system crash */ | |
98639498 | 926 | register struct sd_data *sd; /* disk unit to do the IO */ |
519fb2b7 RG |
927 | int32 num; /* number of sectors to write */ |
928 | u_int32 unit, part; | |
929 | int32 blkoff, blknum, blkcnt = MAXTRANSFER; | |
930 | int32 nblocks; | |
98639498 | 931 | char *addr; |
519fb2b7 | 932 | struct scsi_rw_big cmd; |
98639498 | 933 | extern int Maxmem; |
519fb2b7 RG |
934 | static int sddoingadump = 0; |
935 | #define MAPTO CADDR1 | |
936 | extern caddr_t MAPTO; /* map the page we are about to write, here */ | |
937 | struct scsi_xfer *xs = &sx; | |
938 | errval retval; | |
939 | int c; | |
98639498 | 940 | |
519fb2b7 | 941 | addr = (char *) 0; /* starting address */ |
98639498 RG |
942 | |
943 | /* toss any characters present prior to dump */ | |
519fb2b7 | 944 | while ((c = sgetc(1)) && (c != 0x100)); /*syscons and pccons differ */ |
98639498 RG |
945 | |
946 | /* size of memory to dump */ | |
947 | num = Maxmem; | |
519fb2b7 RG |
948 | unit = UNIT(dev); /* eventually support floppies? */ |
949 | part = PARTITION(dev); /* file system */ | |
98639498 | 950 | /* check for acceptable drive number */ |
519fb2b7 RG |
951 | if (unit >= NSD) |
952 | return (ENXIO); /* 31 Jul 92 */ | |
98639498 | 953 | |
d4284689 | 954 | sd = sd_data[unit]; |
519fb2b7 RG |
955 | if (!sd) |
956 | return (ENXIO); | |
98639498 | 957 | /* was it ever initialized etc. ? */ |
519fb2b7 RG |
958 | if (!(sd->flags & SDINIT)) |
959 | return (ENXIO); | |
960 | if (sd->sc_link->flags & SDEV_MEDIA_LOADED != SDEV_MEDIA_LOADED) | |
961 | return (ENXIO); | |
962 | if (sd->flags & SDWRITEPROT) | |
963 | return (ENXIO); | |
a0becc21 | 964 | |
98639498 | 965 | /* Convert to disk sectors */ |
519fb2b7 | 966 | num = (u_int32) num * NBPG / sd->disklabel.d_secsize; |
a0becc21 | 967 | |
98639498 | 968 | /* check if controller active */ |
519fb2b7 RG |
969 | if (sddoingadump) |
970 | return (EFAULT); | |
a0becc21 | 971 | |
98639498 RG |
972 | nblocks = sd->disklabel.d_partitions[part].p_size; |
973 | blkoff = sd->disklabel.d_partitions[part].p_offset; | |
a0becc21 | 974 | |
98639498 RG |
975 | /* check transfer bounds against partition size */ |
976 | if ((dumplo < 0) || ((dumplo + num) > nblocks)) | |
519fb2b7 | 977 | return (EINVAL); |
98639498 | 978 | |
519fb2b7 | 979 | sddoingadump = 1; |
98639498 RG |
980 | |
981 | blknum = dumplo + blkoff; | |
519fb2b7 RG |
982 | /* blkcnt = initialise_me; */ |
983 | while (num > 0) { | |
984 | pmap_enter(kernel_pmap, | |
985 | MAPTO, | |
986 | trunc_page(addr), | |
987 | VM_PROT_READ, | |
988 | TRUE); | |
d4284689 | 989 | #ifndef NOT_TRUSTED |
519fb2b7 RG |
990 | /* |
991 | * Fill out the scsi command | |
992 | */ | |
98639498 | 993 | bzero(&cmd, sizeof(cmd)); |
519fb2b7 RG |
994 | cmd.op_code = WRITE_BIG; |
995 | cmd.addr_3 = (blknum & 0xff000000) >> 24; | |
996 | cmd.addr_2 = (blknum & 0xff0000) >> 16; | |
997 | cmd.addr_1 = (blknum & 0xff00) >> 8; | |
998 | cmd.addr_0 = blknum & 0xff; | |
999 | cmd.length2 = (blkcnt & 0xff00) >> 8; | |
1000 | cmd.length1 = (blkcnt & 0xff); | |
1001 | /* | |
1002 | * Fill out the scsi_xfer structure | |
1003 | * Note: we cannot sleep as we may be an interrupt | |
1004 | * don't use scsi_scsi_cmd() as it may want | |
1005 | * to wait for an xs. | |
1006 | */ | |
98639498 | 1007 | bzero(xs, sizeof(sx)); |
519fb2b7 RG |
1008 | xs->flags |= SCSI_NOMASK | SCSI_NOSLEEP | INUSE; |
1009 | xs->sc_link = sd->sc_link; | |
1010 | xs->retries = SD_RETRIES; | |
1011 | xs->timeout = 10000; /* 10000 millisecs for a disk ! */ | |
1012 | xs->cmd = (struct scsi_generic *) &cmd; | |
1013 | xs->cmdlen = sizeof(cmd); | |
1014 | xs->resid = blkcnt * 512; | |
1015 | xs->error = XS_NOERROR; | |
1016 | xs->bp = 0; | |
1017 | xs->data = (u_char *) MAPTO; | |
1018 | xs->datalen = blkcnt * 512; | |
1019 | ||
1020 | /* | |
1021 | * Pass all this info to the scsi driver. | |
1022 | */ | |
1023 | retval = (*(sd->sc_link->adapter->scsi_cmd)) (xs); | |
1024 | switch (retval) { | |
1025 | case SUCCESSFULLY_QUEUED: | |
1026 | case HAD_ERROR: | |
1027 | return (ENXIO); /* we said not to sleep! */ | |
1028 | case COMPLETE: | |
98639498 RG |
1029 | break; |
1030 | default: | |
519fb2b7 | 1031 | return (ENXIO); /* we said not to sleep! */ |
98639498 | 1032 | } |
519fb2b7 RG |
1033 | #else /* NOT_TRUSTED */ |
1034 | /* lets just talk about this first... */ | |
1035 | printf("sd%d: dump addr 0x%x, blk %d\n", unit, addr, blknum); | |
1036 | #endif /* NOT_TRUSTED */ | |
1037 | ||
1038 | if ((unsigned) addr % (1024 * 1024) == 0) | |
1039 | printf("%d ", num / 2048); | |
98639498 | 1040 | /* update block count */ |
519fb2b7 RG |
1041 | num -= blkcnt; |
1042 | blknum += blkcnt; | |
1043 | (int) addr += 512 * blkcnt; | |
98639498 RG |
1044 | |
1045 | /* operator aborting dump? */ | |
519fb2b7 RG |
1046 | if ((c = sgetc(1)) && (c != 0x100)) |
1047 | return (EINTR); | |
98639498 | 1048 | } |
519fb2b7 | 1049 | return (0); |
98639498 | 1050 | } |
519fb2b7 RG |
1051 | #else /* SCSIDUMP */ |
1052 | errval | |
98639498 RG |
1053 | sddump() |
1054 | { | |
1055 | printf("\nsddump() -- not implemented\n"); | |
519fb2b7 RG |
1056 | DELAY(60000000); /* 60 seconds */ |
1057 | return -1; | |
98639498 | 1058 | } |
519fb2b7 | 1059 | #endif /* SCSIDUMP */ |