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sdiff udiff text old ( 71508 ) new ( 71999 )
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scsi_low.c (71508) scsi_low.c (71999)
1/* $FreeBSD: head/sys/cam/scsi/scsi_low.c 71508 2001-01-24 01:46:57Z jhb $ */
1/* $FreeBSD: head/sys/cam/scsi/scsi_low.c 71999 2001-02-04 13:13:25Z phk $ */
2/* $NecBSD: scsi_low.c,v 1.24 1999/07/26 06:27:01 honda Exp $ */
3/* $NetBSD$ */
4
5#define SCSI_LOW_STATICS
6#define SCSI_LOW_WARNINGS
7#ifdef __NetBSD__
8#define SCSI_LOW_TARGET_OPEN
9#define SCSI_LOW_INFORM

--- 265 unchanged lines hidden (view full) ---

275 **************************************************************/
276static struct targ_info *
277scsi_low_alloc_ti(slp, targ)
278 struct scsi_low_softc *slp;
279 int targ;
280{
281 struct targ_info *ti;
282
2/* $NecBSD: scsi_low.c,v 1.24 1999/07/26 06:27:01 honda Exp $ */
3/* $NetBSD$ */
4
5#define SCSI_LOW_STATICS
6#define SCSI_LOW_WARNINGS
7#ifdef __NetBSD__
8#define SCSI_LOW_TARGET_OPEN
9#define SCSI_LOW_INFORM

--- 265 unchanged lines hidden (view full) ---

275 **************************************************************/
276static struct targ_info *
277scsi_low_alloc_ti(slp, targ)
278 struct scsi_low_softc *slp;
279 int targ;
280{
281 struct targ_info *ti;
282
283 if (slp->sl_titab.tqh_first == NULL)
283 if (TAILQ_FIRST(&slp->sl_titab) == NULL)
284 TAILQ_INIT(&slp->sl_titab);
285
286 ti = malloc(sizeof(struct targ_info), M_DEVBUF, M_NOWAIT);
287 if (ti == NULL)
288 panic("%s short of memory\n", slp->sl_xname);
289
290 memset(ti, 0, sizeof(struct targ_info));
291 ti->ti_id = targ;

--- 9 unchanged lines hidden (view full) ---

301
302static void
303scsi_low_free_ti(slp)
304 struct scsi_low_softc *slp;
305{
306 struct targ_info *ti, *tib;
307 struct lun_info *li, *nli;
308
284 TAILQ_INIT(&slp->sl_titab);
285
286 ti = malloc(sizeof(struct targ_info), M_DEVBUF, M_NOWAIT);
287 if (ti == NULL)
288 panic("%s short of memory\n", slp->sl_xname);
289
290 memset(ti, 0, sizeof(struct targ_info));
291 ti->ti_id = targ;

--- 9 unchanged lines hidden (view full) ---

301
302static void
303scsi_low_free_ti(slp)
304 struct scsi_low_softc *slp;
305{
306 struct targ_info *ti, *tib;
307 struct lun_info *li, *nli;
308
309 for (ti = slp->sl_titab.tqh_first; ti; ti = tib)
309 for (ti = TAILQ_FIRST(&slp->sl_titab); ti; ti = tib)
310 {
310 {
311 tib = ti->ti_chain.tqe_next;
311 tib = TAILQ_NEXT(ti, ti_chain);
312 for (li = LIST_FIRST(&ti->ti_litab); li != NULL; li = nli)
313 {
314 nli = LIST_NEXT(li, lun_chain);
315 free(li, M_DEVBUF);
316 }
317 free(ti, M_DEVBUF);
318 }
319}

--- 16 unchanged lines hidden (view full) ---

336 cb->ccb_tc -= SCSI_LOW_TIMEOUT_CHECK_INTERVAL;
337 if (cb->ccb_tc < 0)
338 goto bus_reset;
339 }
340 else if (slp->sl_disc > 0)
341 {
342 struct targ_info *ti;
343
312 for (li = LIST_FIRST(&ti->ti_litab); li != NULL; li = nli)
313 {
314 nli = LIST_NEXT(li, lun_chain);
315 free(li, M_DEVBUF);
316 }
317 free(ti, M_DEVBUF);
318 }
319}

--- 16 unchanged lines hidden (view full) ---

336 cb->ccb_tc -= SCSI_LOW_TIMEOUT_CHECK_INTERVAL;
337 if (cb->ccb_tc < 0)
338 goto bus_reset;
339 }
340 else if (slp->sl_disc > 0)
341 {
342 struct targ_info *ti;
343
344 for (ti = slp->sl_titab.tqh_first; ti != NULL;
345 ti = ti->ti_chain.tqe_next)
344 for (ti = TAILQ_FIRST(&slp->sl_titab); ti != NULL;
345 ti = TAILQ_NEXT(ti, ti_chain))
346 {
346 {
347 for (cb = ti->ti_discq.tqh_first; cb != NULL;
348 cb = cb->ccb_chain.tqe_next)
347 for (cb = TAILQ_FIRST(&ti->ti_discq); cb != NULL;
348 cb = TAILQ_NEXT(cb, ccb_chain))
349 {
350 cb->ccb_tc -= SCSI_LOW_TIMEOUT_CHECK_INTERVAL;
351 if (cb->ccb_tc < 0)
352 goto bus_reset;
353 }
354 }
355 }
356 else
357 {
349 {
350 cb->ccb_tc -= SCSI_LOW_TIMEOUT_CHECK_INTERVAL;
351 if (cb->ccb_tc < 0)
352 goto bus_reset;
353 }
354 }
355 }
356 else
357 {
358 cb = slp->sl_start.tqh_first;
358 cb = TAILQ_FIRST(&slp->sl_start);
359 if (cb != NULL)
360 {
361 cb->ccb_tc -= SCSI_LOW_TIMEOUT_CHECK_INTERVAL;
362 if (cb->ccb_tc < 0)
363 goto bus_reset;
364 }
365 else if ((slp->sl_flags & HW_POWERCTRL) != 0)
366 {

--- 233 unchanged lines hidden (view full) ---

600}
601#endif
602
603int
604scsi_low_dettach(slp)
605 struct scsi_low_softc *slp;
606{
607
359 if (cb != NULL)
360 {
361 cb->ccb_tc -= SCSI_LOW_TIMEOUT_CHECK_INTERVAL;
362 if (cb->ccb_tc < 0)
363 goto bus_reset;
364 }
365 else if ((slp->sl_flags & HW_POWERCTRL) != 0)
366 {

--- 233 unchanged lines hidden (view full) ---

600}
601#endif
602
603int
604scsi_low_dettach(slp)
605 struct scsi_low_softc *slp;
606{
607
608 if (slp->sl_disc > 0 || slp->sl_start.tqh_first != NULL)
608 if (slp->sl_disc > 0 || TAILQ_FIRST(&slp->sl_start) != NULL)
609 return EBUSY;
610
611 /*
612 * scsipi does not have dettach bus fucntion.
613 *
614 scsipi_dettach_scsibus(&slp->sl_link);
615 */
616

--- 308 unchanged lines hidden (view full) ---

925 ti = slp->sl_nexus;
926 if (ti != NULL)
927 {
928 scsi_low_info(slp, NULL, "NEXUS INCOSISTENT");
929 panic("%s: inconsistent(target)\n", slp->sl_xname);
930 }
931#endif /* SCSI_LOW_DIAGNOSTIC */
932
609 return EBUSY;
610
611 /*
612 * scsipi does not have dettach bus fucntion.
613 *
614 scsipi_dettach_scsibus(&slp->sl_link);
615 */
616

--- 308 unchanged lines hidden (view full) ---

925 ti = slp->sl_nexus;
926 if (ti != NULL)
927 {
928 scsi_low_info(slp, NULL, "NEXUS INCOSISTENT");
929 panic("%s: inconsistent(target)\n", slp->sl_xname);
930 }
931#endif /* SCSI_LOW_DIAGNOSTIC */
932
933 for (cb = slp->sl_start.tqh_first; cb != NULL;
934 cb = cb->ccb_chain.tqe_next)
933 for (cb = TAILQ_FIRST(&slp->sl_start); cb != NULL;
934 cb = TAILQ_NEXT(cb, ccb_chain))
935 {
936 ti = cb->ti;
937 li = cb->li;
938 if (ti->ti_phase == PH_NULL)
939 goto scsi_low_cmd_start;
940 if (ti->ti_phase == PH_DISC && li->li_disc < li->li_maxnexus)
941 goto scsi_low_cmd_start;
942 }

--- 357 unchanged lines hidden (view full) ---

1300
1301 /* free our target */
1302 TAILQ_REMOVE(&slp->sl_start, cb, ccb_chain);
1303 scsi_low_free_ccb(cb);
1304 return SCSI_LOW_DONE_COMPLETE;
1305
1306retry:
1307 cb->ccb_rcnt ++;
935 {
936 ti = cb->ti;
937 li = cb->li;
938 if (ti->ti_phase == PH_NULL)
939 goto scsi_low_cmd_start;
940 if (ti->ti_phase == PH_DISC && li->li_disc < li->li_maxnexus)
941 goto scsi_low_cmd_start;
942 }

--- 357 unchanged lines hidden (view full) ---

1300
1301 /* free our target */
1302 TAILQ_REMOVE(&slp->sl_start, cb, ccb_chain);
1303 scsi_low_free_ccb(cb);
1304 return SCSI_LOW_DONE_COMPLETE;
1305
1306retry:
1307 cb->ccb_rcnt ++;
1308 if (slp->sl_start.tqh_first != cb)
1308 if (TAILQ_FIRST(&slp->sl_start) != cb)
1309 {
1310 TAILQ_REMOVE(&slp->sl_start, cb, ccb_chain);
1311 TAILQ_INSERT_HEAD(&slp->sl_start, cb, ccb_chain);
1312 }
1313 return SCSI_LOW_DONE_RETRY;
1314}
1315
1316/**************************************************************

--- 25 unchanged lines hidden (view full) ---

1342 if (fdone != 0 && cb->ccb_rcnt ++ >= slp->sl_max_retry)
1343 {
1344 cb->ccb_error |= FATALIO;
1345 scsi_low_done(slp, cb);
1346 }
1347 }
1348
1349 /* disconnected nexus */
1309 {
1310 TAILQ_REMOVE(&slp->sl_start, cb, ccb_chain);
1311 TAILQ_INSERT_HEAD(&slp->sl_start, cb, ccb_chain);
1312 }
1313 return SCSI_LOW_DONE_RETRY;
1314}
1315
1316/**************************************************************

--- 25 unchanged lines hidden (view full) ---

1342 if (fdone != 0 && cb->ccb_rcnt ++ >= slp->sl_max_retry)
1343 {
1344 cb->ccb_error |= FATALIO;
1345 scsi_low_done(slp, cb);
1346 }
1347 }
1348
1349 /* disconnected nexus */
1350 for (ti = slp->sl_titab.tqh_first; ti != NULL;
1351 ti = ti->ti_chain.tqe_next)
1350 for (ti = TAILQ_FIRST(&slp->sl_titab); ti != NULL;
1351 ti = TAILQ_NEXT(ti, ti_chain))
1352 {
1352 {
1353 for (cb = ti->ti_discq.tqh_first; cb != NULL; cb = ncb)
1353 for (cb = TAILQ_FIRST(&ti->ti_discq); cb != NULL; cb = ncb)
1354 {
1354 {
1355 ncb = cb->ccb_chain.tqe_next;
1355 ncb = TAILQ_NEXT(cb, ccb_chain);
1356 TAILQ_REMOVE(&ti->ti_discq, cb, ccb_chain);
1357 TAILQ_INSERT_HEAD(&slp->sl_start, cb, ccb_chain);
1358 scsi_low_clear_ccb(cb);
1359 if (fdone != 0 && cb->ccb_rcnt ++ >= slp->sl_max_retry)
1360 {
1361 cb->ccb_error |= FATALIO;
1362 scsi_low_done(slp, cb);
1363 }

--- 91 unchanged lines hidden (view full) ---

1455 scsi_low_tag_t tag;
1456{
1457 struct scsi_low_softc *slp = ti->ti_sc;
1458 struct slccb *cb;
1459
1460 /*
1461 * Search ccb matching with lun and tag.
1462 */
1356 TAILQ_REMOVE(&ti->ti_discq, cb, ccb_chain);
1357 TAILQ_INSERT_HEAD(&slp->sl_start, cb, ccb_chain);
1358 scsi_low_clear_ccb(cb);
1359 if (fdone != 0 && cb->ccb_rcnt ++ >= slp->sl_max_retry)
1360 {
1361 cb->ccb_error |= FATALIO;
1362 scsi_low_done(slp, cb);
1363 }

--- 91 unchanged lines hidden (view full) ---

1455 scsi_low_tag_t tag;
1456{
1457 struct scsi_low_softc *slp = ti->ti_sc;
1458 struct slccb *cb;
1459
1460 /*
1461 * Search ccb matching with lun and tag.
1462 */
1463 cb = ti->ti_discq.tqh_first;
1464 for ( ; cb != NULL; cb = cb->ccb_chain.tqe_next)
1463 cb = TAILQ_FIRST(&ti->ti_discq);
1464 for ( ; cb != NULL; cb = TAILQ_NEXT(cb, ccb_chain))
1465 if (cb->li == li && cb->ccb_tag == tag)
1466 goto found;
1467 return cb;
1468
1469 /*
1470 * establish our ccb nexus
1471 */
1472found:

--- 1018 unchanged lines hidden (view full) ---

2491 struct scsi_low_softc *slp;
2492 struct targ_info *ti;
2493 u_char *s;
2494{
2495
2496 printf("%s: SCSI_LOW: %s\n", slp->sl_xname, s);
2497 if (ti == NULL)
2498 {
1465 if (cb->li == li && cb->ccb_tag == tag)
1466 goto found;
1467 return cb;
1468
1469 /*
1470 * establish our ccb nexus
1471 */
1472found:

--- 1018 unchanged lines hidden (view full) ---

2491 struct scsi_low_softc *slp;
2492 struct targ_info *ti;
2493 u_char *s;
2494{
2495
2496 printf("%s: SCSI_LOW: %s\n", slp->sl_xname, s);
2497 if (ti == NULL)
2498 {
2499 for (ti = slp->sl_titab.tqh_first; ti != NULL;
2500 ti = ti->ti_chain.tqe_next)
2499 for (ti = TAILQ_FIRST(&slp->sl_titab); ti != NULL;
2500 ti = TAILQ_NEXT(ti, ti_chain))
2501 scsi_low_print(slp, ti);
2502 }
2503 else
2504 scsi_low_print(slp, ti);
2505
2506}
2507
2508static u_char *phase[] =

--- 83 unchanged lines hidden --- 		2501 scsi_low_print(slp, ti);
2502 }
2503 else
2504 scsi_low_print(slp, ti);
2505
2506}
2507
2508static u_char *phase[] =

--- 83 unchanged lines hidden ---