2 * Implementation of the SCSI Transport
4 * Copyright (c) 1997, 1998, 1999 Justin T. Gibbs.
5 * Copyright (c) 1997, 1998, 1999 Kenneth D. Merry.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions, and the following disclaimer,
13 * without modification, immediately at the beginning of the file.
14 * 2. The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
21 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 #include <sys/cdefs.h>
31 __FBSDID("$FreeBSD$");
33 #include <sys/param.h>
35 #include <sys/systm.h>
36 #include <sys/types.h>
37 #include <sys/malloc.h>
38 #include <sys/kernel.h>
41 #include <sys/fcntl.h>
43 #include <sys/interrupt.h>
47 #include <sys/mutex.h>
48 #include <sys/sysctl.h>
51 #include <cam/cam_ccb.h>
52 #include <cam/cam_queue.h>
53 #include <cam/cam_periph.h>
54 #include <cam/cam_sim.h>
55 #include <cam/cam_xpt.h>
56 #include <cam/cam_xpt_sim.h>
57 #include <cam/cam_xpt_periph.h>
58 #include <cam/cam_xpt_internal.h>
59 #include <cam/cam_debug.h>
61 #include <cam/scsi/scsi_all.h>
62 #include <cam/scsi/scsi_message.h>
63 #include <cam/scsi/scsi_pass.h>
64 #include <machine/stdarg.h> /* for xpt_print below */
67 struct scsi_quirk_entry {
68 struct scsi_inquiry_pattern inq_pat;
70 #define CAM_QUIRK_NOLUNS 0x01
71 #define CAM_QUIRK_NOVPDS 0x02
72 #define CAM_QUIRK_HILUNS 0x04
73 #define CAM_QUIRK_NOHILUNS 0x08
74 #define CAM_QUIRK_NORPTLUNS 0x10
78 #define SCSI_QUIRK(dev) ((struct scsi_quirk_entry *)((dev)->quirk))
80 static int cam_srch_hi = 0;
81 TUNABLE_INT("kern.cam.cam_srch_hi", &cam_srch_hi);
82 static int sysctl_cam_search_luns(SYSCTL_HANDLER_ARGS);
83 SYSCTL_PROC(_kern_cam, OID_AUTO, cam_srch_hi, CTLTYPE_INT|CTLFLAG_RW, 0, 0,
84 sysctl_cam_search_luns, "I",
85 "allow search above LUN 7 for SCSI3 and greater devices");
87 #define CAM_SCSI2_MAXLUN 8
88 #define CAM_CAN_GET_SIMPLE_LUN(x, i) \
89 ((((x)->luns[i].lundata[0] & RPL_LUNDATA_ATYP_MASK) == \
90 RPL_LUNDATA_ATYP_PERIPH) || \
91 (((x)->luns[i].lundata[0] & RPL_LUNDATA_ATYP_MASK) == \
92 RPL_LUNDATA_ATYP_FLAT))
93 #define CAM_GET_SIMPLE_LUN(lp, i, lval) \
94 if (((lp)->luns[(i)].lundata[0] & RPL_LUNDATA_ATYP_MASK) == \
95 RPL_LUNDATA_ATYP_PERIPH) { \
96 (lval) = (lp)->luns[(i)].lundata[1]; \
98 (lval) = (lp)->luns[(i)].lundata[0]; \
99 (lval) &= RPL_LUNDATA_FLAT_LUN_MASK; \
101 (lval) |= (lp)->luns[(i)].lundata[1]; \
103 #define CAM_GET_LUN(lp, i, lval) \
104 (lval) = scsi_4btoul((lp)->luns[(i)].lundata); \
105 (lval) = ((lval) >> 16) | ((lval) << 16);
106 #define CAM_LUN_ONLY_32BITS(lp, i) \
107 (scsi_4btoul(&((lp)->luns[(i)].lundata[4])) == 0)
110 * If we're not quirked to search <= the first 8 luns
111 * and we are either quirked to search above lun 8,
112 * or we're > SCSI-2 and we've enabled hilun searching,
113 * or we're > SCSI-2 and the last lun was a success,
114 * we can look for luns above lun 8.
116 #define CAN_SRCH_HI_SPARSE(dv) \
117 (((SCSI_QUIRK(dv)->quirks & CAM_QUIRK_NOHILUNS) == 0) \
118 && ((SCSI_QUIRK(dv)->quirks & CAM_QUIRK_HILUNS) \
119 || (SID_ANSI_REV(&dv->inq_data) > SCSI_REV_2 && cam_srch_hi)))
121 #define CAN_SRCH_HI_DENSE(dv) \
122 (((SCSI_QUIRK(dv)->quirks & CAM_QUIRK_NOHILUNS) == 0) \
123 && ((SCSI_QUIRK(dv)->quirks & CAM_QUIRK_HILUNS) \
124 || (SID_ANSI_REV(&dv->inq_data) > SCSI_REV_2)))
126 static periph_init_t probe_periph_init;
128 static struct periph_driver probe_driver =
130 probe_periph_init, "probe",
131 TAILQ_HEAD_INITIALIZER(probe_driver.units), /* generation */ 0,
135 PERIPHDRIVER_DECLARE(probe, probe_driver);
139 PROBE_INQUIRY, /* this counts as DV0 for Basic Domain Validation */
143 PROBE_SUPPORTED_VPD_LIST,
145 PROBE_EXTENDED_INQUIRY,
147 PROBE_TUR_FOR_NEGOTIATION,
148 PROBE_INQUIRY_BASIC_DV1,
149 PROBE_INQUIRY_BASIC_DV2,
155 static char *probe_action_text[] = {
158 "PROBE_FULL_INQUIRY",
161 "PROBE_SUPPORTED_VPD_LIST",
163 "PROBE_EXTENDED_INQUIRY",
165 "PROBE_TUR_FOR_NEGOTIATION",
166 "PROBE_INQUIRY_BASIC_DV1",
167 "PROBE_INQUIRY_BASIC_DV2",
173 #define PROBE_SET_ACTION(softc, newaction) \
176 text = probe_action_text; \
177 CAM_DEBUG((softc)->periph->path, CAM_DEBUG_PROBE, \
178 ("Probe %s to %s\n", text[(softc)->action], \
179 text[(newaction)])); \
180 (softc)->action = (newaction); \
184 PROBE_INQUIRY_CKSUM = 0x01,
185 PROBE_SERIAL_CKSUM = 0x02,
186 PROBE_NO_ANNOUNCE = 0x04,
191 TAILQ_HEAD(, ccb_hdr) request_ccbs;
197 struct cam_periph *periph;
200 static const char quantum[] = "QUANTUM";
201 static const char sony[] = "SONY";
202 static const char west_digital[] = "WDIGTL";
203 static const char samsung[] = "SAMSUNG";
204 static const char seagate[] = "SEAGATE";
205 static const char microp[] = "MICROP";
207 static struct scsi_quirk_entry scsi_quirk_table[] =
210 /* Reports QUEUE FULL for temporary resource shortages */
211 { T_DIRECT, SIP_MEDIA_FIXED, quantum, "XP39100*", "*" },
212 /*quirks*/0, /*mintags*/24, /*maxtags*/32
215 /* Reports QUEUE FULL for temporary resource shortages */
216 { T_DIRECT, SIP_MEDIA_FIXED, quantum, "XP34550*", "*" },
217 /*quirks*/0, /*mintags*/24, /*maxtags*/32
220 /* Reports QUEUE FULL for temporary resource shortages */
221 { T_DIRECT, SIP_MEDIA_FIXED, quantum, "XP32275*", "*" },
222 /*quirks*/0, /*mintags*/24, /*maxtags*/32
225 /* Broken tagged queuing drive */
226 { T_DIRECT, SIP_MEDIA_FIXED, microp, "4421-07*", "*" },
227 /*quirks*/0, /*mintags*/0, /*maxtags*/0
230 /* Broken tagged queuing drive */
231 { T_DIRECT, SIP_MEDIA_FIXED, "HP", "C372*", "*" },
232 /*quirks*/0, /*mintags*/0, /*maxtags*/0
235 /* Broken tagged queuing drive */
236 { T_DIRECT, SIP_MEDIA_FIXED, microp, "3391*", "x43h" },
237 /*quirks*/0, /*mintags*/0, /*maxtags*/0
241 * Unfortunately, the Quantum Atlas III has the same
242 * problem as the Atlas II drives above.
243 * Reported by: "Johan Granlund" <johan@granlund.nu>
245 * For future reference, the drive with the problem was:
246 * QUANTUM QM39100TD-SW N1B0
248 * It's possible that Quantum will fix the problem in later
249 * firmware revisions. If that happens, the quirk entry
250 * will need to be made specific to the firmware revisions
254 /* Reports QUEUE FULL for temporary resource shortages */
255 { T_DIRECT, SIP_MEDIA_FIXED, quantum, "QM39100*", "*" },
256 /*quirks*/0, /*mintags*/24, /*maxtags*/32
260 * 18 Gig Atlas III, same problem as the 9G version.
261 * Reported by: Andre Albsmeier
262 * <andre.albsmeier@mchp.siemens.de>
264 * For future reference, the drive with the problem was:
265 * QUANTUM QM318000TD-S N491
267 /* Reports QUEUE FULL for temporary resource shortages */
268 { T_DIRECT, SIP_MEDIA_FIXED, quantum, "QM318000*", "*" },
269 /*quirks*/0, /*mintags*/24, /*maxtags*/32
273 * Broken tagged queuing drive
274 * Reported by: Bret Ford <bford@uop.cs.uop.edu>
275 * and: Martin Renters <martin@tdc.on.ca>
277 { T_DIRECT, SIP_MEDIA_FIXED, seagate, "ST410800*", "71*" },
278 /*quirks*/0, /*mintags*/0, /*maxtags*/0
281 * The Seagate Medalist Pro drives have very poor write
282 * performance with anything more than 2 tags.
284 * Reported by: Paul van der Zwan <paulz@trantor.xs4all.nl>
285 * Drive: <SEAGATE ST36530N 1444>
287 * Reported by: Jeremy Lea <reg@shale.csir.co.za>
288 * Drive: <SEAGATE ST34520W 1281>
290 * No one has actually reported that the 9G version
291 * (ST39140*) of the Medalist Pro has the same problem, but
292 * we're assuming that it does because the 4G and 6.5G
293 * versions of the drive are broken.
296 { T_DIRECT, SIP_MEDIA_FIXED, seagate, "ST34520*", "*"},
297 /*quirks*/0, /*mintags*/2, /*maxtags*/2
300 { T_DIRECT, SIP_MEDIA_FIXED, seagate, "ST36530*", "*"},
301 /*quirks*/0, /*mintags*/2, /*maxtags*/2
304 { T_DIRECT, SIP_MEDIA_FIXED, seagate, "ST39140*", "*"},
305 /*quirks*/0, /*mintags*/2, /*maxtags*/2
309 * Experiences command timeouts under load with a
310 * tag count higher than 55.
312 { T_DIRECT, SIP_MEDIA_FIXED, seagate, "ST3146855LW", "*"},
313 /*quirks*/0, /*mintags*/2, /*maxtags*/55
317 * Slow when tagged queueing is enabled. Write performance
318 * steadily drops off with more and more concurrent
319 * transactions. Best sequential write performance with
320 * tagged queueing turned off and write caching turned on.
323 * Submitted by: Hideaki Okada <hokada@isl.melco.co.jp>
324 * Drive: DCAS-34330 w/ "S65A" firmware.
326 * The drive with the problem had the "S65A" firmware
327 * revision, and has also been reported (by Stephen J.
328 * Roznowski <sjr@home.net>) for a drive with the "S61A"
331 * Although no one has reported problems with the 2 gig
332 * version of the DCAS drive, the assumption is that it
333 * has the same problems as the 4 gig version. Therefore
334 * this quirk entries disables tagged queueing for all
337 { T_DIRECT, SIP_MEDIA_FIXED, "IBM", "DCAS*", "*" },
338 /*quirks*/0, /*mintags*/0, /*maxtags*/0
341 /* Broken tagged queuing drive */
342 { T_DIRECT, SIP_MEDIA_REMOVABLE, "iomega", "jaz*", "*" },
343 /*quirks*/0, /*mintags*/0, /*maxtags*/0
346 /* Broken tagged queuing drive */
347 { T_DIRECT, SIP_MEDIA_FIXED, "CONNER", "CFP2107*", "*" },
348 /*quirks*/0, /*mintags*/0, /*maxtags*/0
351 /* This does not support other than LUN 0 */
352 { T_DIRECT, SIP_MEDIA_FIXED, "VMware*", "*", "*" },
353 CAM_QUIRK_NOLUNS, /*mintags*/2, /*maxtags*/255
357 * Broken tagged queuing drive.
359 * NAKAJI Hiroyuki <nakaji@zeisei.dpri.kyoto-u.ac.jp>
362 { T_DIRECT, SIP_MEDIA_FIXED, samsung, "WN34324U*", "*" },
363 /*quirks*/0, /*mintags*/0, /*maxtags*/0
367 * Slow when tagged queueing is enabled. (1.5MB/sec versus
369 * Submitted by: Andrew Gallatin <gallatin@cs.duke.edu>
370 * Best performance with these drives is achieved with
371 * tagged queueing turned off, and write caching turned on.
373 { T_DIRECT, SIP_MEDIA_FIXED, west_digital, "WDE*", "*" },
374 /*quirks*/0, /*mintags*/0, /*maxtags*/0
378 * Slow when tagged queueing is enabled. (1.5MB/sec versus
380 * Submitted by: Andrew Gallatin <gallatin@cs.duke.edu>
381 * Best performance with these drives is achieved with
382 * tagged queueing turned off, and write caching turned on.
384 { T_DIRECT, SIP_MEDIA_FIXED, west_digital, "ENTERPRISE", "*" },
385 /*quirks*/0, /*mintags*/0, /*maxtags*/0
389 * Doesn't handle queue full condition correctly,
390 * so we need to limit maxtags to what the device
391 * can handle instead of determining this automatically.
393 { T_DIRECT, SIP_MEDIA_FIXED, samsung, "WN321010S*", "*" },
394 /*quirks*/0, /*mintags*/2, /*maxtags*/32
397 /* Really only one LUN */
398 { T_ENCLOSURE, SIP_MEDIA_FIXED, "SUN", "SENA", "*" },
399 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0
402 /* I can't believe we need a quirk for DPT volumes. */
403 { T_ANY, SIP_MEDIA_FIXED|SIP_MEDIA_REMOVABLE, "DPT", "*", "*" },
405 /*mintags*/0, /*maxtags*/255
409 * Many Sony CDROM drives don't like multi-LUN probing.
411 { T_CDROM, SIP_MEDIA_REMOVABLE, sony, "CD-ROM CDU*", "*" },
412 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0
416 * This drive doesn't like multiple LUN probing.
417 * Submitted by: Parag Patel <parag@cgt.com>
419 { T_WORM, SIP_MEDIA_REMOVABLE, sony, "CD-R CDU9*", "*" },
420 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0
423 { T_WORM, SIP_MEDIA_REMOVABLE, "YAMAHA", "CDR100*", "*" },
424 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0
428 * The 8200 doesn't like multi-lun probing, and probably
429 * don't like serial number requests either.
432 T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "EXABYTE",
435 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0
439 * Let's try the same as above, but for a drive that says
440 * it's an IPL-6860 but is actually an EXB 8200.
443 T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "EXABYTE",
446 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0
450 * These Hitachi drives don't like multi-lun probing.
451 * The PR submitter has a DK319H, but says that the Linux
452 * kernel has a similar work-around for the DK312 and DK314,
453 * so all DK31* drives are quirked here.
455 * Submitted by: Paul Haddad <paul@pth.com>
457 { T_DIRECT, SIP_MEDIA_FIXED, "HITACHI", "DK31*", "*" },
458 CAM_QUIRK_NOLUNS, /*mintags*/2, /*maxtags*/255
462 * The Hitachi CJ series with J8A8 firmware apparantly has
463 * problems with tagged commands.
465 * Reported by: amagai@nue.org
467 { T_DIRECT, SIP_MEDIA_FIXED, "HITACHI", "DK32CJ*", "J8A8" },
468 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0
472 * These are the large storage arrays.
473 * Submitted by: William Carrel <william.carrel@infospace.com>
475 { T_DIRECT, SIP_MEDIA_FIXED, "HITACHI", "OPEN*", "*" },
476 CAM_QUIRK_HILUNS, 2, 1024
480 * This old revision of the TDC3600 is also SCSI-1, and
481 * hangs upon serial number probing.
484 T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "TANDBERG",
487 CAM_QUIRK_NOVPDS, /*mintags*/0, /*maxtags*/0
491 * Would repond to all LUNs if asked for.
494 T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "CALIPER",
497 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0
501 * Would repond to all LUNs if asked for.
504 T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "KENNEDY",
507 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0
510 /* Submitted by: Matthew Dodd <winter@jurai.net> */
511 { T_PROCESSOR, SIP_MEDIA_FIXED, "Cabletrn", "EA41*", "*" },
512 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0
515 /* Submitted by: Matthew Dodd <winter@jurai.net> */
516 { T_PROCESSOR, SIP_MEDIA_FIXED, "CABLETRN", "EA41*", "*" },
517 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0
520 /* TeraSolutions special settings for TRC-22 RAID */
521 { T_DIRECT, SIP_MEDIA_FIXED, "TERASOLU", "TRC-22", "*" },
522 /*quirks*/0, /*mintags*/55, /*maxtags*/255
525 /* Veritas Storage Appliance */
526 { T_DIRECT, SIP_MEDIA_FIXED, "VERITAS", "*", "*" },
527 CAM_QUIRK_HILUNS, /*mintags*/2, /*maxtags*/1024
531 * Would respond to all LUNs. Device type and removable
532 * flag are jumper-selectable.
534 { T_ANY, SIP_MEDIA_REMOVABLE|SIP_MEDIA_FIXED, "MaxOptix",
537 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0
540 /* EasyRAID E5A aka. areca ARC-6010 */
541 { T_DIRECT, SIP_MEDIA_FIXED, "easyRAID", "*", "*" },
542 CAM_QUIRK_NOHILUNS, /*mintags*/2, /*maxtags*/255
545 { T_ENCLOSURE, SIP_MEDIA_FIXED, "DP", "BACKPLANE", "*" },
546 CAM_QUIRK_NOLUNS, /*mintags*/0, /*maxtags*/0
549 { T_DIRECT, SIP_MEDIA_REMOVABLE, "Garmin", "*", "*" },
550 CAM_QUIRK_NORPTLUNS, /*mintags*/2, /*maxtags*/255
553 /* Default tagged queuing parameters for all devices */
555 T_ANY, SIP_MEDIA_REMOVABLE|SIP_MEDIA_FIXED,
556 /*vendor*/"*", /*product*/"*", /*revision*/"*"
558 /*quirks*/0, /*mintags*/2, /*maxtags*/255
562 static const int scsi_quirk_table_size =
563 sizeof(scsi_quirk_table) / sizeof(*scsi_quirk_table);
565 static cam_status proberegister(struct cam_periph *periph,
567 static void probeschedule(struct cam_periph *probe_periph);
568 static void probestart(struct cam_periph *periph, union ccb *start_ccb);
569 static void proberequestdefaultnegotiation(struct cam_periph *periph);
570 static int proberequestbackoff(struct cam_periph *periph,
571 struct cam_ed *device);
572 static void probedone(struct cam_periph *periph, union ccb *done_ccb);
573 static void probe_purge_old(struct cam_path *path,
574 struct scsi_report_luns_data *new,
576 static void probecleanup(struct cam_periph *periph);
577 static void scsi_find_quirk(struct cam_ed *device);
578 static void scsi_scan_bus(struct cam_periph *periph, union ccb *ccb);
579 static void scsi_scan_lun(struct cam_periph *periph,
580 struct cam_path *path, cam_flags flags,
582 static void xptscandone(struct cam_periph *periph, union ccb *done_ccb);
583 static struct cam_ed *
584 scsi_alloc_device(struct cam_eb *bus, struct cam_et *target,
586 static void scsi_devise_transport(struct cam_path *path);
587 static void scsi_set_transfer_settings(struct ccb_trans_settings *cts,
588 struct cam_path *path,
590 static void scsi_toggle_tags(struct cam_path *path);
591 static void scsi_dev_async(u_int32_t async_code,
593 struct cam_et *target,
594 struct cam_ed *device,
596 static void scsi_action(union ccb *start_ccb);
597 static void scsi_announce_periph(struct cam_periph *periph);
599 static struct xpt_xport scsi_xport = {
600 .alloc_device = scsi_alloc_device,
601 .action = scsi_action,
602 .async = scsi_dev_async,
603 .announce = scsi_announce_periph,
609 return (&scsi_xport);
618 proberegister(struct cam_periph *periph, void *arg)
620 union ccb *request_ccb; /* CCB representing the probe request */
624 request_ccb = (union ccb *)arg;
625 if (request_ccb == NULL) {
626 printf("proberegister: no probe CCB, "
627 "can't register device\n");
628 return(CAM_REQ_CMP_ERR);
631 softc = (probe_softc *)malloc(sizeof(*softc), M_CAMXPT, M_NOWAIT);
634 printf("proberegister: Unable to probe new device. "
635 "Unable to allocate softc\n");
636 return(CAM_REQ_CMP_ERR);
638 TAILQ_INIT(&softc->request_ccbs);
639 TAILQ_INSERT_TAIL(&softc->request_ccbs, &request_ccb->ccb_h,
642 periph->softc = softc;
643 softc->periph = periph;
644 softc->action = PROBE_INVALID;
645 status = cam_periph_acquire(periph);
646 if (status != CAM_REQ_CMP) {
649 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, ("Probe started\n"));
650 scsi_devise_transport(periph->path);
653 * Ensure we've waited at least a bus settle
654 * delay before attempting to probe the device.
655 * For HBAs that don't do bus resets, this won't make a difference.
657 cam_periph_freeze_after_event(periph, &periph->path->bus->last_reset,
659 probeschedule(periph);
664 probeschedule(struct cam_periph *periph)
666 struct ccb_pathinq cpi;
670 softc = (probe_softc *)periph->softc;
671 ccb = (union ccb *)TAILQ_FIRST(&softc->request_ccbs);
673 xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NONE);
674 cpi.ccb_h.func_code = XPT_PATH_INQ;
675 xpt_action((union ccb *)&cpi);
678 * If a device has gone away and another device, or the same one,
679 * is back in the same place, it should have a unit attention
680 * condition pending. It will not report the unit attention in
681 * response to an inquiry, which may leave invalid transfer
682 * negotiations in effect. The TUR will reveal the unit attention
683 * condition. Only send the TUR for lun 0, since some devices
684 * will get confused by commands other than inquiry to non-existent
685 * luns. If you think a device has gone away start your scan from
686 * lun 0. This will insure that any bogus transfer settings are
689 * If we haven't seen the device before and the controller supports
690 * some kind of transfer negotiation, negotiate with the first
691 * sent command if no bus reset was performed at startup. This
692 * ensures that the device is not confused by transfer negotiation
693 * settings left over by loader or BIOS action.
695 if (((ccb->ccb_h.path->device->flags & CAM_DEV_UNCONFIGURED) == 0)
696 && (ccb->ccb_h.target_lun == 0)) {
697 PROBE_SET_ACTION(softc, PROBE_TUR);
698 } else if ((cpi.hba_inquiry & (PI_WIDE_32|PI_WIDE_16|PI_SDTR_ABLE)) != 0
699 && (cpi.hba_misc & PIM_NOBUSRESET) != 0) {
700 proberequestdefaultnegotiation(periph);
701 PROBE_SET_ACTION(softc, PROBE_INQUIRY);
703 PROBE_SET_ACTION(softc, PROBE_INQUIRY);
706 if (ccb->crcn.flags & CAM_EXPECT_INQ_CHANGE)
707 softc->flags |= PROBE_NO_ANNOUNCE;
709 softc->flags &= ~PROBE_NO_ANNOUNCE;
711 if (cpi.hba_misc & PIM_EXTLUNS)
712 softc->flags |= PROBE_EXTLUN;
714 softc->flags &= ~PROBE_EXTLUN;
716 xpt_schedule(periph, CAM_PRIORITY_XPT);
720 probestart(struct cam_periph *periph, union ccb *start_ccb)
722 /* Probe the device that our peripheral driver points to */
723 struct ccb_scsiio *csio;
726 CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_TRACE, ("probestart\n"));
728 softc = (probe_softc *)periph->softc;
729 csio = &start_ccb->csio;
732 switch (softc->action) {
734 case PROBE_TUR_FOR_NEGOTIATION:
737 scsi_test_unit_ready(csio,
746 case PROBE_FULL_INQUIRY:
747 case PROBE_INQUIRY_BASIC_DV1:
748 case PROBE_INQUIRY_BASIC_DV2:
751 struct scsi_inquiry_data *inq_buf;
753 inq_buf = &periph->path->device->inq_data;
756 * If the device is currently configured, we calculate an
757 * MD5 checksum of the inquiry data, and if the serial number
758 * length is greater than 0, add the serial number data
759 * into the checksum as well. Once the inquiry and the
760 * serial number check finish, we attempt to figure out
761 * whether we still have the same device.
763 if (((periph->path->device->flags & CAM_DEV_UNCONFIGURED) == 0)
764 && ((softc->flags & PROBE_INQUIRY_CKSUM) == 0)) {
766 MD5Init(&softc->context);
767 MD5Update(&softc->context, (unsigned char *)inq_buf,
768 sizeof(struct scsi_inquiry_data));
769 softc->flags |= PROBE_INQUIRY_CKSUM;
770 if (periph->path->device->serial_num_len > 0) {
771 MD5Update(&softc->context,
772 periph->path->device->serial_num,
773 periph->path->device->serial_num_len);
774 softc->flags |= PROBE_SERIAL_CKSUM;
776 MD5Final(softc->digest, &softc->context);
779 if (softc->action == PROBE_INQUIRY)
780 inquiry_len = SHORT_INQUIRY_LENGTH;
782 inquiry_len = SID_ADDITIONAL_LENGTH(inq_buf);
785 * Some parallel SCSI devices fail to send an
786 * ignore wide residue message when dealing with
787 * odd length inquiry requests. Round up to be
790 inquiry_len = roundup2(inquiry_len, 2);
792 if (softc->action == PROBE_INQUIRY_BASIC_DV1
793 || softc->action == PROBE_INQUIRY_BASIC_DV2) {
794 inq_buf = malloc(inquiry_len, M_CAMXPT, M_NOWAIT);
796 if (inq_buf == NULL) {
797 xpt_print(periph->path, "malloc failure- skipping Basic"
798 "Domain Validation\n");
799 PROBE_SET_ACTION(softc, PROBE_DV_EXIT);
800 scsi_test_unit_ready(csio,
817 /*timeout*/60 * 1000);
820 case PROBE_REPORT_LUNS:
824 rp = malloc(periph->path->target->rpl_size,
825 M_CAMXPT, M_NOWAIT | M_ZERO);
827 struct scsi_inquiry_data *inq_buf;
828 inq_buf = &periph->path->device->inq_data;
829 xpt_print(periph->path,
830 "Unable to alloc report luns storage\n");
831 if (INQ_DATA_TQ_ENABLED(inq_buf))
832 PROBE_SET_ACTION(softc, PROBE_MODE_SENSE);
834 PROBE_SET_ACTION(softc,
835 PROBE_SUPPORTED_VPD_LIST);
838 scsi_report_luns(csio, 5, probedone, MSG_SIMPLE_Q_TAG,
839 RPL_REPORT_DEFAULT, rp, periph->path->target->rpl_size,
840 SSD_FULL_SIZE, 60000); break;
843 case PROBE_MODE_SENSE:
848 mode_buf_len = sizeof(struct scsi_mode_header_6)
849 + sizeof(struct scsi_mode_blk_desc)
850 + sizeof(struct scsi_control_page);
851 mode_buf = malloc(mode_buf_len, M_CAMXPT, M_NOWAIT);
852 if (mode_buf != NULL) {
853 scsi_mode_sense(csio,
858 SMS_PAGE_CTRL_CURRENT,
859 SMS_CONTROL_MODE_PAGE,
866 xpt_print(periph->path, "Unable to mode sense control page - "
868 PROBE_SET_ACTION(softc, PROBE_SUPPORTED_VPD_LIST);
871 case PROBE_SUPPORTED_VPD_LIST:
873 struct scsi_vpd_supported_page_list *vpd_list;
874 struct cam_ed *device;
877 device = periph->path->device;
879 if ((SCSI_QUIRK(device)->quirks & CAM_QUIRK_NOVPDS) == 0)
880 vpd_list = malloc(sizeof(*vpd_list), M_CAMXPT,
883 if (vpd_list != NULL) {
888 (u_int8_t *)vpd_list,
891 SVPD_SUPPORTED_PAGE_LIST,
893 /*timeout*/60 * 1000);
898 * We'll have to do without, let our probedone
899 * routine finish up for us.
901 start_ccb->csio.data_ptr = NULL;
902 cam_freeze_devq(periph->path);
903 cam_periph_doacquire(periph);
904 probedone(periph, start_ccb);
907 case PROBE_DEVICE_ID:
909 struct scsi_vpd_device_id *devid;
912 if (scsi_vpd_supported_page(periph, SVPD_DEVICE_ID))
913 devid = malloc(SVPD_DEVICE_ID_MAX_SIZE, M_CAMXPT,
922 SVPD_DEVICE_ID_MAX_SIZE,
926 /*timeout*/60 * 1000);
931 case PROBE_EXTENDED_INQUIRY:
933 struct scsi_vpd_extended_inquiry_data *ext_inq;
936 if (scsi_vpd_supported_page(periph, SVPD_EXTENDED_INQUIRY_DATA))
937 ext_inq = malloc(sizeof(*ext_inq), M_CAMXPT,
940 if (ext_inq != NULL) {
948 SVPD_EXTENDED_INQUIRY_DATA,
950 /*timeout*/60 * 1000);
954 * We'll have to do without, let our probedone
955 * routine finish up for us.
959 case PROBE_SERIAL_NUM:
961 struct scsi_vpd_unit_serial_number *serial_buf;
962 struct cam_ed* device;
965 device = periph->path->device;
966 if (device->serial_num != NULL) {
967 free(device->serial_num, M_CAMXPT);
968 device->serial_num = NULL;
969 device->serial_num_len = 0;
972 if (scsi_vpd_supported_page(periph, SVPD_UNIT_SERIAL_NUMBER))
973 serial_buf = (struct scsi_vpd_unit_serial_number *)
974 malloc(sizeof(*serial_buf), M_CAMXPT,
977 if (serial_buf != NULL) {
982 (u_int8_t *)serial_buf,
985 SVPD_UNIT_SERIAL_NUMBER,
987 /*timeout*/60 * 1000);
993 panic("probestart: invalid action state 0x%x\n", softc->action);
995 start_ccb->ccb_h.flags |= CAM_DEV_QFREEZE;
996 cam_periph_doacquire(periph);
997 xpt_action(start_ccb);
1001 proberequestdefaultnegotiation(struct cam_periph *periph)
1003 struct ccb_trans_settings cts;
1005 xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE);
1006 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS;
1007 cts.type = CTS_TYPE_USER_SETTINGS;
1008 xpt_action((union ccb *)&cts);
1009 if (cam_ccb_status((union ccb *)&cts) != CAM_REQ_CMP) {
1012 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS;
1013 cts.type = CTS_TYPE_CURRENT_SETTINGS;
1014 xpt_action((union ccb *)&cts);
1018 * Backoff Negotiation Code- only pertinent for SPI devices.
1021 proberequestbackoff(struct cam_periph *periph, struct cam_ed *device)
1023 struct ccb_trans_settings cts;
1024 struct ccb_trans_settings_spi *spi;
1026 memset(&cts, 0, sizeof (cts));
1027 xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE);
1028 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS;
1029 cts.type = CTS_TYPE_CURRENT_SETTINGS;
1030 xpt_action((union ccb *)&cts);
1031 if (cam_ccb_status((union ccb *)&cts) != CAM_REQ_CMP) {
1033 xpt_print(periph->path,
1034 "failed to get current device settings\n");
1038 if (cts.transport != XPORT_SPI) {
1040 xpt_print(periph->path, "not SPI transport\n");
1044 spi = &cts.xport_specific.spi;
1047 * We cannot renegotiate sync rate if we don't have one.
1049 if ((spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0) {
1051 xpt_print(periph->path, "no sync rate known\n");
1057 * We'll assert that we don't have to touch PPR options- the
1058 * SIM will see what we do with period and offset and adjust
1059 * the PPR options as appropriate.
1063 * A sync rate with unknown or zero offset is nonsensical.
1064 * A sync period of zero means Async.
1066 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0
1067 || spi->sync_offset == 0 || spi->sync_period == 0) {
1069 xpt_print(periph->path, "no sync rate available\n");
1074 if (device->flags & CAM_DEV_DV_HIT_BOTTOM) {
1075 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE,
1076 ("hit async: giving up on DV\n"));
1082 * Jump sync_period up by one, but stop at 5MHz and fall back to Async.
1083 * We don't try to remember 'last' settings to see if the SIM actually
1084 * gets into the speed we want to set. We check on the SIM telling
1085 * us that a requested speed is bad, but otherwise don't try and
1086 * check the speed due to the asynchronous and handshake nature
1089 spi->valid = CTS_SPI_VALID_SYNC_RATE | CTS_SPI_VALID_SYNC_OFFSET;
1092 if (spi->sync_period >= 0xf) {
1093 spi->sync_period = 0;
1094 spi->sync_offset = 0;
1095 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE,
1096 ("setting to async for DV\n"));
1098 * Once we hit async, we don't want to try
1099 * any more settings.
1101 device->flags |= CAM_DEV_DV_HIT_BOTTOM;
1102 } else if (bootverbose) {
1103 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE,
1104 ("DV: period 0x%x\n", spi->sync_period));
1105 printf("setting period to 0x%x\n", spi->sync_period);
1107 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS;
1108 cts.type = CTS_TYPE_CURRENT_SETTINGS;
1109 xpt_action((union ccb *)&cts);
1110 if (cam_ccb_status((union ccb *)&cts) != CAM_REQ_CMP) {
1113 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE,
1114 ("DV: failed to set period 0x%x\n", spi->sync_period));
1115 if (spi->sync_period == 0) {
1122 #define CCB_COMPLETED_OK(ccb) (((ccb).status & CAM_STATUS_MASK) == CAM_REQ_CMP)
1125 probedone(struct cam_periph *periph, union ccb *done_ccb)
1128 struct cam_path *path;
1131 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_TRACE, ("probedone\n"));
1133 softc = (probe_softc *)periph->softc;
1134 path = done_ccb->ccb_h.path;
1135 priority = done_ccb->ccb_h.pinfo.priority;
1137 switch (softc->action) {
1140 if (cam_ccb_status(done_ccb) != CAM_REQ_CMP) {
1142 if (cam_periph_error(done_ccb, 0,
1143 SF_NO_PRINT, NULL) == ERESTART) {
1145 /* Drop freeze taken due to CAM_DEV_QFREEZE */
1146 cam_release_devq(path, 0, 0, 0, FALSE);
1149 else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
1150 /* Don't wedge the queue */
1151 xpt_release_devq(done_ccb->ccb_h.path,
1155 PROBE_SET_ACTION(softc, PROBE_INQUIRY);
1156 xpt_release_ccb(done_ccb);
1157 xpt_schedule(periph, priority);
1159 /* Drop freeze taken due to CAM_DEV_QFREEZE and release. */
1160 cam_release_devq(path, 0, 0, 0, FALSE);
1161 cam_periph_release_locked(periph);
1165 case PROBE_FULL_INQUIRY:
1167 if (cam_ccb_status(done_ccb) == CAM_REQ_CMP) {
1168 struct scsi_inquiry_data *inq_buf;
1169 u_int8_t periph_qual;
1171 path->device->flags |= CAM_DEV_INQUIRY_DATA_VALID;
1172 scsi_find_quirk(path->device);
1173 inq_buf = &path->device->inq_data;
1175 periph_qual = SID_QUAL(inq_buf);
1177 if (periph_qual == SID_QUAL_LU_CONNECTED) {
1181 * We conservatively request only
1182 * SHORT_INQUIRY_LEN bytes of inquiry
1183 * information during our first try
1184 * at sending an INQUIRY. If the device
1185 * has more information to give,
1186 * perform a second request specifying
1187 * the amount of information the device
1188 * is willing to give.
1190 len = inq_buf->additional_length
1191 + offsetof(struct scsi_inquiry_data,
1192 additional_length) + 1;
1193 if (softc->action == PROBE_INQUIRY
1194 && len > SHORT_INQUIRY_LENGTH) {
1195 PROBE_SET_ACTION(softc, PROBE_FULL_INQUIRY);
1196 xpt_release_ccb(done_ccb);
1197 xpt_schedule(periph, priority);
1201 scsi_devise_transport(path);
1203 if (path->device->lun_id == 0 &&
1204 SID_ANSI_REV(inq_buf) > SCSI_REV_SPC2 &&
1205 (SCSI_QUIRK(path->device)->quirks &
1206 CAM_QUIRK_NORPTLUNS) == 0) {
1207 PROBE_SET_ACTION(softc,
1210 * Start with room for *one* lun.
1212 periph->path->target->rpl_size = 16;
1213 } else if (INQ_DATA_TQ_ENABLED(inq_buf))
1214 PROBE_SET_ACTION(softc,
1217 PROBE_SET_ACTION(softc,
1218 PROBE_SUPPORTED_VPD_LIST);
1220 if (path->device->flags & CAM_DEV_UNCONFIGURED) {
1221 path->device->flags &= ~CAM_DEV_UNCONFIGURED;
1222 xpt_acquire_device(path->device);
1224 xpt_release_ccb(done_ccb);
1225 xpt_schedule(periph, priority);
1227 } else if (path->device->lun_id == 0 &&
1228 SID_ANSI_REV(inq_buf) >= SCSI_REV_SPC2 &&
1229 (SCSI_QUIRK(path->device)->quirks &
1230 CAM_QUIRK_NORPTLUNS) == 0) {
1231 PROBE_SET_ACTION(softc, PROBE_REPORT_LUNS);
1232 periph->path->target->rpl_size = 16;
1233 xpt_release_ccb(done_ccb);
1234 xpt_schedule(periph, priority);
1237 } else if (cam_periph_error(done_ccb, 0,
1238 done_ccb->ccb_h.target_lun > 0
1239 ? SF_RETRY_UA|SF_QUIET_IR
1241 &softc->saved_ccb) == ERESTART) {
1244 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
1245 /* Don't wedge the queue */
1246 xpt_release_devq(done_ccb->ccb_h.path,
1247 /*count*/1, /*run_queue*/TRUE);
1249 path->device->flags &= ~CAM_DEV_INQUIRY_DATA_VALID;
1252 * If we get to this point, we got an error status back
1253 * from the inquiry and the error status doesn't require
1254 * automatically retrying the command. Therefore, the
1255 * inquiry failed. If we had inquiry information before
1256 * for this device, but this latest inquiry command failed,
1257 * the device has probably gone away. If this device isn't
1258 * already marked unconfigured, notify the peripheral
1259 * drivers that this device is no more.
1261 if ((path->device->flags & CAM_DEV_UNCONFIGURED) == 0)
1262 /* Send the async notification. */
1263 xpt_async(AC_LOST_DEVICE, path, NULL);
1264 PROBE_SET_ACTION(softc, PROBE_INVALID);
1266 xpt_release_ccb(done_ccb);
1269 case PROBE_REPORT_LUNS:
1271 struct ccb_scsiio *csio;
1272 struct scsi_report_luns_data *lp;
1275 csio = &done_ccb->csio;
1277 lp = (struct scsi_report_luns_data *)csio->data_ptr;
1278 nlun = scsi_4btoul(lp->length) / 8;
1279 maxlun = (csio->dxfer_len / 8) - 1;
1281 if (cam_ccb_status(done_ccb) != CAM_REQ_CMP) {
1282 if (cam_periph_error(done_ccb, 0,
1283 done_ccb->ccb_h.target_lun > 0 ?
1284 SF_RETRY_UA|SF_QUIET_IR : SF_RETRY_UA,
1285 &softc->saved_ccb) == ERESTART) {
1288 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
1289 xpt_release_devq(done_ccb->ccb_h.path, 1,
1294 } else if (nlun > maxlun) {
1296 * Reallocate and retry to cover all luns
1298 CAM_DEBUG(path, CAM_DEBUG_PROBE,
1299 ("Probe: reallocating REPORT_LUNS for %u luns\n",
1302 path->target->rpl_size = (nlun << 3) + 8;
1303 xpt_release_ccb(done_ccb);
1304 xpt_schedule(periph, priority);
1306 } else if (nlun == 0) {
1308 * If there don't appear to be any luns, bail.
1316 CAM_DEBUG(path, CAM_DEBUG_PROBE,
1317 ("Probe: %u lun(s) reported\n", nlun));
1319 CAM_GET_LUN(lp, 0, lun);
1321 * If the first lun is not lun 0, then either there
1322 * is no lun 0 in the list, or the list is unsorted.
1325 for (idx = 0; idx < nlun; idx++) {
1326 CAM_GET_LUN(lp, idx, lun);
1334 lp->luns[0].lundata, 8);
1335 memcpy(lp->luns[0].lundata,
1336 lp->luns[idx].lundata, 8);
1337 memcpy(lp->luns[idx].lundata,
1339 CAM_DEBUG(path, CAM_DEBUG_PROBE,
1340 ("lun 0 in position %u\n", idx));
1344 * If we have an old lun list, We can either
1345 * retest luns that appear to have been dropped,
1346 * or just nuke them. We'll opt for the latter.
1347 * This function will also install the new list
1348 * in the target structure.
1350 probe_purge_old(path, lp, softc->flags);
1353 if (path->device->flags & CAM_DEV_INQUIRY_DATA_VALID &&
1354 SID_QUAL(&path->device->inq_data) == SID_QUAL_LU_CONNECTED) {
1355 struct scsi_inquiry_data *inq_buf;
1356 inq_buf = &path->device->inq_data;
1357 if (INQ_DATA_TQ_ENABLED(inq_buf))
1358 PROBE_SET_ACTION(softc, PROBE_MODE_SENSE);
1360 PROBE_SET_ACTION(softc,
1361 PROBE_SUPPORTED_VPD_LIST);
1362 xpt_release_ccb(done_ccb);
1363 xpt_schedule(periph, priority);
1369 PROBE_SET_ACTION(softc, PROBE_INVALID);
1370 xpt_release_ccb(done_ccb);
1373 case PROBE_MODE_SENSE:
1375 struct ccb_scsiio *csio;
1376 struct scsi_mode_header_6 *mode_hdr;
1378 csio = &done_ccb->csio;
1379 mode_hdr = (struct scsi_mode_header_6 *)csio->data_ptr;
1380 if (cam_ccb_status(done_ccb) == CAM_REQ_CMP) {
1381 struct scsi_control_page *page;
1384 offset = ((u_int8_t *)&mode_hdr[1])
1385 + mode_hdr->blk_desc_len;
1386 page = (struct scsi_control_page *)offset;
1387 path->device->queue_flags = page->queue_flags;
1388 } else if (cam_periph_error(done_ccb, 0,
1389 SF_RETRY_UA|SF_NO_PRINT,
1390 &softc->saved_ccb) == ERESTART) {
1392 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
1393 /* Don't wedge the queue */
1394 xpt_release_devq(done_ccb->ccb_h.path,
1395 /*count*/1, /*run_queue*/TRUE);
1397 xpt_release_ccb(done_ccb);
1398 free(mode_hdr, M_CAMXPT);
1399 PROBE_SET_ACTION(softc, PROBE_SUPPORTED_VPD_LIST);
1400 xpt_schedule(periph, priority);
1403 case PROBE_SUPPORTED_VPD_LIST:
1405 struct ccb_scsiio *csio;
1406 struct scsi_vpd_supported_page_list *page_list;
1408 csio = &done_ccb->csio;
1410 (struct scsi_vpd_supported_page_list *)csio->data_ptr;
1412 if (path->device->supported_vpds != NULL) {
1413 free(path->device->supported_vpds, M_CAMXPT);
1414 path->device->supported_vpds = NULL;
1415 path->device->supported_vpds_len = 0;
1418 if (page_list == NULL) {
1420 * Don't process the command as it was never sent
1422 } else if (CCB_COMPLETED_OK(csio->ccb_h)) {
1424 path->device->supported_vpds_len = page_list->length +
1425 SVPD_SUPPORTED_PAGES_HDR_LEN;
1426 path->device->supported_vpds = (uint8_t *)page_list;
1427 xpt_release_ccb(done_ccb);
1428 PROBE_SET_ACTION(softc, PROBE_DEVICE_ID);
1429 xpt_schedule(periph, priority);
1431 } else if (cam_periph_error(done_ccb, 0,
1432 SF_RETRY_UA|SF_NO_PRINT,
1433 &softc->saved_ccb) == ERESTART) {
1435 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
1436 /* Don't wedge the queue */
1437 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1,
1442 free(page_list, M_CAMXPT);
1443 /* No VPDs available, skip to device check. */
1444 csio->data_ptr = NULL;
1445 goto probe_device_check;
1447 case PROBE_DEVICE_ID:
1449 struct scsi_vpd_device_id *devid;
1450 struct ccb_scsiio *csio;
1451 uint32_t length = 0;
1453 csio = &done_ccb->csio;
1454 devid = (struct scsi_vpd_device_id *)csio->data_ptr;
1456 /* Clean up from previous instance of this device */
1457 if (path->device->device_id != NULL) {
1458 path->device->device_id_len = 0;
1459 free(path->device->device_id, M_CAMXPT);
1460 path->device->device_id = NULL;
1463 if (devid == NULL) {
1464 /* Don't process the command as it was never sent */
1465 } else if (CCB_COMPLETED_OK(csio->ccb_h)) {
1466 length = scsi_2btoul(devid->length);
1469 * NB: device_id_len is actual response
1470 * size, not buffer size.
1472 path->device->device_id_len = length +
1473 SVPD_DEVICE_ID_HDR_LEN;
1474 path->device->device_id = (uint8_t *)devid;
1476 } else if (cam_periph_error(done_ccb, 0,
1478 &softc->saved_ccb) == ERESTART) {
1480 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
1481 /* Don't wedge the queue */
1482 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1,
1486 /* Free the device id space if we don't use it */
1487 if (devid && length == 0)
1488 free(devid, M_CAMXPT);
1489 xpt_release_ccb(done_ccb);
1490 PROBE_SET_ACTION(softc, PROBE_EXTENDED_INQUIRY);
1491 xpt_schedule(periph, priority);
1494 case PROBE_EXTENDED_INQUIRY: {
1495 struct scsi_vpd_extended_inquiry_data *ext_inq;
1496 struct ccb_scsiio *csio;
1499 csio = &done_ccb->csio;
1500 ext_inq = (struct scsi_vpd_extended_inquiry_data *)
1502 if (path->device->ext_inq != NULL) {
1503 path->device->ext_inq_len = 0;
1504 free(path->device->ext_inq, M_CAMXPT);
1505 path->device->ext_inq = NULL;
1508 if (ext_inq == NULL) {
1509 /* Don't process the command as it was never sent */
1510 } else if (CCB_COMPLETED_OK(csio->ccb_h)) {
1511 length = scsi_2btoul(ext_inq->page_length) +
1512 __offsetof(struct scsi_vpd_extended_inquiry_data,
1514 length = min(length, sizeof(*ext_inq));
1515 length -= csio->resid;
1517 path->device->ext_inq_len = length;
1518 path->device->ext_inq = (uint8_t *)ext_inq;
1520 } else if (cam_periph_error(done_ccb, 0,
1522 &softc->saved_ccb) == ERESTART) {
1524 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
1525 /* Don't wedge the queue */
1526 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1,
1530 /* Free the device id space if we don't use it */
1531 if (ext_inq && length <= 0)
1532 free(ext_inq, M_CAMXPT);
1533 xpt_release_ccb(done_ccb);
1534 PROBE_SET_ACTION(softc, PROBE_SERIAL_NUM);
1535 xpt_schedule(periph, priority);
1540 case PROBE_SERIAL_NUM:
1542 struct ccb_scsiio *csio;
1543 struct scsi_vpd_unit_serial_number *serial_buf;
1550 csio = &done_ccb->csio;
1551 priority = done_ccb->ccb_h.pinfo.priority;
1553 (struct scsi_vpd_unit_serial_number *)csio->data_ptr;
1555 if (serial_buf == NULL) {
1557 * Don't process the command as it was never sent
1559 } else if (cam_ccb_status(done_ccb) == CAM_REQ_CMP
1560 && (serial_buf->length > 0)) {
1563 path->device->serial_num =
1564 (u_int8_t *)malloc((serial_buf->length + 1),
1565 M_CAMXPT, M_NOWAIT);
1566 if (path->device->serial_num != NULL) {
1567 memcpy(path->device->serial_num,
1568 serial_buf->serial_num,
1569 serial_buf->length);
1570 path->device->serial_num_len =
1572 path->device->serial_num[serial_buf->length]
1575 } else if (cam_periph_error(done_ccb, 0,
1576 SF_RETRY_UA|SF_NO_PRINT,
1577 &softc->saved_ccb) == ERESTART) {
1579 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
1580 /* Don't wedge the queue */
1581 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1,
1586 * Let's see if we have seen this device before.
1588 if ((softc->flags & PROBE_INQUIRY_CKSUM) != 0) {
1590 u_int8_t digest[16];
1595 (unsigned char *)&path->device->inq_data,
1596 sizeof(struct scsi_inquiry_data));
1599 MD5Update(&context, serial_buf->serial_num,
1600 serial_buf->length);
1602 MD5Final(digest, &context);
1603 if (bcmp(softc->digest, digest, 16) == 0)
1607 * XXX Do we need to do a TUR in order to ensure
1608 * that the device really hasn't changed???
1611 && ((softc->flags & PROBE_NO_ANNOUNCE) == 0))
1612 xpt_async(AC_LOST_DEVICE, path, NULL);
1614 if (serial_buf != NULL)
1615 free(serial_buf, M_CAMXPT);
1619 * Now that we have all the necessary
1620 * information to safely perform transfer
1621 * negotiations... Controllers don't perform
1622 * any negotiation or tagged queuing until
1623 * after the first XPT_SET_TRAN_SETTINGS ccb is
1624 * received. So, on a new device, just retrieve
1625 * the user settings, and set them as the current
1626 * settings to set the device up.
1628 proberequestdefaultnegotiation(periph);
1629 xpt_release_ccb(done_ccb);
1632 * Perform a TUR to allow the controller to
1633 * perform any necessary transfer negotiation.
1635 PROBE_SET_ACTION(softc, PROBE_TUR_FOR_NEGOTIATION);
1636 xpt_schedule(periph, priority);
1639 xpt_release_ccb(done_ccb);
1642 case PROBE_TUR_FOR_NEGOTIATION:
1644 if (cam_ccb_status(done_ccb) != CAM_REQ_CMP) {
1645 cam_periph_error(done_ccb, 0,
1646 SF_NO_PRINT | SF_NO_RECOVERY | SF_NO_RETRY, NULL);
1648 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
1649 /* Don't wedge the queue */
1650 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1,
1654 * Do Domain Validation for lun 0 on devices that claim
1655 * to support Synchronous Transfer modes.
1657 if (softc->action == PROBE_TUR_FOR_NEGOTIATION
1658 && done_ccb->ccb_h.target_lun == 0
1659 && (path->device->inq_data.flags & SID_Sync) != 0
1660 && (path->device->flags & CAM_DEV_IN_DV) == 0) {
1661 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE,
1662 ("Begin Domain Validation\n"));
1663 path->device->flags |= CAM_DEV_IN_DV;
1664 xpt_release_ccb(done_ccb);
1665 PROBE_SET_ACTION(softc, PROBE_INQUIRY_BASIC_DV1);
1666 xpt_schedule(periph, priority);
1669 if (softc->action == PROBE_DV_EXIT) {
1670 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE,
1671 ("Leave Domain Validation\n"));
1673 if (path->device->flags & CAM_DEV_UNCONFIGURED) {
1674 path->device->flags &= ~CAM_DEV_UNCONFIGURED;
1675 xpt_acquire_device(path->device);
1677 path->device->flags &=
1678 ~(CAM_DEV_IN_DV|CAM_DEV_DV_HIT_BOTTOM);
1679 if ((softc->flags & PROBE_NO_ANNOUNCE) == 0) {
1680 /* Inform the XPT that a new device has been found */
1681 done_ccb->ccb_h.func_code = XPT_GDEV_TYPE;
1682 xpt_action(done_ccb);
1683 xpt_async(AC_FOUND_DEVICE, done_ccb->ccb_h.path,
1686 PROBE_SET_ACTION(softc, PROBE_DONE);
1687 xpt_release_ccb(done_ccb);
1689 case PROBE_INQUIRY_BASIC_DV1:
1690 case PROBE_INQUIRY_BASIC_DV2:
1692 struct scsi_inquiry_data *nbuf;
1693 struct ccb_scsiio *csio;
1695 if (cam_ccb_status(done_ccb) != CAM_REQ_CMP) {
1696 cam_periph_error(done_ccb, 0,
1697 SF_NO_PRINT | SF_NO_RECOVERY | SF_NO_RETRY, NULL);
1699 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
1700 /* Don't wedge the queue */
1701 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1,
1704 csio = &done_ccb->csio;
1705 nbuf = (struct scsi_inquiry_data *)csio->data_ptr;
1706 if (bcmp(nbuf, &path->device->inq_data, SHORT_INQUIRY_LENGTH)) {
1708 "inquiry data fails comparison at DV%d step\n",
1709 softc->action == PROBE_INQUIRY_BASIC_DV1 ? 1 : 2);
1710 if (proberequestbackoff(periph, path->device)) {
1711 path->device->flags &= ~CAM_DEV_IN_DV;
1712 PROBE_SET_ACTION(softc, PROBE_TUR_FOR_NEGOTIATION);
1715 PROBE_SET_ACTION(softc, PROBE_DV_EXIT);
1717 free(nbuf, M_CAMXPT);
1718 xpt_release_ccb(done_ccb);
1719 xpt_schedule(periph, priority);
1722 free(nbuf, M_CAMXPT);
1723 if (softc->action == PROBE_INQUIRY_BASIC_DV1) {
1724 PROBE_SET_ACTION(softc, PROBE_INQUIRY_BASIC_DV2);
1725 xpt_release_ccb(done_ccb);
1726 xpt_schedule(periph, priority);
1729 if (softc->action == PROBE_INQUIRY_BASIC_DV2) {
1730 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE,
1731 ("Leave Domain Validation Successfully\n"));
1733 if (path->device->flags & CAM_DEV_UNCONFIGURED) {
1734 path->device->flags &= ~CAM_DEV_UNCONFIGURED;
1735 xpt_acquire_device(path->device);
1737 path->device->flags &=
1738 ~(CAM_DEV_IN_DV|CAM_DEV_DV_HIT_BOTTOM);
1739 if ((softc->flags & PROBE_NO_ANNOUNCE) == 0) {
1740 /* Inform the XPT that a new device has been found */
1741 done_ccb->ccb_h.func_code = XPT_GDEV_TYPE;
1742 xpt_action(done_ccb);
1743 xpt_async(AC_FOUND_DEVICE, done_ccb->ccb_h.path,
1746 PROBE_SET_ACTION(softc, PROBE_DONE);
1747 xpt_release_ccb(done_ccb);
1751 panic("probedone: invalid action state 0x%x\n", softc->action);
1753 done_ccb = (union ccb *)TAILQ_FIRST(&softc->request_ccbs);
1754 TAILQ_REMOVE(&softc->request_ccbs, &done_ccb->ccb_h, periph_links.tqe);
1755 done_ccb->ccb_h.status = CAM_REQ_CMP;
1757 if (TAILQ_FIRST(&softc->request_ccbs) == NULL) {
1758 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, ("Probe completed\n"));
1759 /* Drop freeze taken due to CAM_DEV_QFREEZE flag set. */
1760 cam_release_devq(path, 0, 0, 0, FALSE);
1761 cam_periph_release_locked(periph);
1762 cam_periph_invalidate(periph);
1763 cam_periph_release_locked(periph);
1765 probeschedule(periph);
1771 probe_purge_old(struct cam_path *path, struct scsi_report_luns_data *new,
1774 struct cam_path *tp;
1775 struct scsi_report_luns_data *old;
1776 u_int idx1, idx2, nlun_old, nlun_new;
1780 if (path->target == NULL) {
1783 mtx_lock(&path->target->luns_mtx);
1784 old = path->target->luns;
1785 path->target->luns = new;
1786 mtx_unlock(&path->target->luns_mtx);
1789 nlun_old = scsi_4btoul(old->length) / 8;
1790 nlun_new = scsi_4btoul(new->length) / 8;
1793 * We are not going to assume sorted lists. Deal.
1795 for (idx1 = 0; idx1 < nlun_old; idx1++) {
1796 ol = old->luns[idx1].lundata;
1797 for (idx2 = 0; idx2 < nlun_new; idx2++) {
1798 nl = new->luns[idx2].lundata;
1799 if (memcmp(nl, ol, 8) == 0) {
1803 if (idx2 < nlun_new) {
1807 * An 'old' item not in the 'new' list.
1808 * Nuke it. Except that if it is lun 0,
1809 * that would be what the probe state
1810 * machine is currently working on,
1811 * so we won't do that.
1813 CAM_GET_LUN(old, idx1, this_lun);
1814 if (this_lun == 0) {
1819 * We also cannot nuke it if it is
1820 * not in a lun format we understand
1821 * and replace the LUN with a "simple" LUN
1822 * if that is all the HBA supports.
1824 if (!(flags & PROBE_EXTLUN)) {
1825 if (!CAM_CAN_GET_SIMPLE_LUN(old, idx1))
1827 CAM_GET_SIMPLE_LUN(old, idx1, this_lun);
1829 if (!CAM_LUN_ONLY_32BITS(old, idx1))
1832 if (xpt_create_path(&tp, NULL, xpt_path_path_id(path),
1833 xpt_path_target_id(path), this_lun) == CAM_REQ_CMP) {
1834 xpt_async(AC_LOST_DEVICE, tp, NULL);
1838 free(old, M_CAMXPT);
1842 probecleanup(struct cam_periph *periph)
1844 free(periph->softc, M_CAMXPT);
1848 scsi_find_quirk(struct cam_ed *device)
1850 struct scsi_quirk_entry *quirk;
1853 match = cam_quirkmatch((caddr_t)&device->inq_data,
1854 (caddr_t)scsi_quirk_table,
1855 sizeof(scsi_quirk_table) /
1856 sizeof(*scsi_quirk_table),
1857 sizeof(*scsi_quirk_table), scsi_inquiry_match);
1860 panic("xpt_find_quirk: device didn't match wildcard entry!!");
1862 quirk = (struct scsi_quirk_entry *)match;
1863 device->quirk = quirk;
1864 device->mintags = quirk->mintags;
1865 device->maxtags = quirk->maxtags;
1869 sysctl_cam_search_luns(SYSCTL_HANDLER_ARGS)
1874 error = sysctl_handle_int(oidp, &val, 0, req);
1875 if (error != 0 || req->newptr == NULL)
1877 if (val == 0 || val == 1) {
1886 union ccb *request_ccb;
1887 struct ccb_pathinq *cpi;
1890 } scsi_scan_bus_info;
1893 * To start a scan, request_ccb is an XPT_SCAN_BUS ccb.
1894 * As the scan progresses, scsi_scan_bus is used as the
1895 * callback on completion function.
1898 scsi_scan_bus(struct cam_periph *periph, union ccb *request_ccb)
1902 CAM_DEBUG(request_ccb->ccb_h.path, CAM_DEBUG_TRACE,
1903 ("scsi_scan_bus\n"));
1904 switch (request_ccb->ccb_h.func_code) {
1908 scsi_scan_bus_info *scan_info;
1909 union ccb *work_ccb, *reset_ccb;
1910 struct cam_path *path;
1912 u_int low_target, max_target;
1915 /* Find out the characteristics of the bus */
1916 work_ccb = xpt_alloc_ccb_nowait();
1917 if (work_ccb == NULL) {
1918 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL;
1919 xpt_done(request_ccb);
1922 xpt_setup_ccb(&work_ccb->ccb_h, request_ccb->ccb_h.path,
1923 request_ccb->ccb_h.pinfo.priority);
1924 work_ccb->ccb_h.func_code = XPT_PATH_INQ;
1925 xpt_action(work_ccb);
1926 if (work_ccb->ccb_h.status != CAM_REQ_CMP) {
1927 request_ccb->ccb_h.status = work_ccb->ccb_h.status;
1928 xpt_free_ccb(work_ccb);
1929 xpt_done(request_ccb);
1933 if ((work_ccb->cpi.hba_misc & PIM_NOINITIATOR) != 0) {
1935 * Can't scan the bus on an adapter that
1936 * cannot perform the initiator role.
1938 request_ccb->ccb_h.status = CAM_REQ_CMP;
1939 xpt_free_ccb(work_ccb);
1940 xpt_done(request_ccb);
1944 /* We may need to reset bus first, if we haven't done it yet. */
1945 if ((work_ccb->cpi.hba_inquiry &
1946 (PI_WIDE_32|PI_WIDE_16|PI_SDTR_ABLE)) &&
1947 !(work_ccb->cpi.hba_misc & PIM_NOBUSRESET) &&
1948 !timevalisset(&request_ccb->ccb_h.path->bus->last_reset) &&
1949 (reset_ccb = xpt_alloc_ccb_nowait()) != NULL) {
1950 xpt_setup_ccb(&reset_ccb->ccb_h, request_ccb->ccb_h.path,
1952 reset_ccb->ccb_h.func_code = XPT_RESET_BUS;
1953 xpt_action(reset_ccb);
1954 if (reset_ccb->ccb_h.status != CAM_REQ_CMP) {
1955 request_ccb->ccb_h.status = reset_ccb->ccb_h.status;
1956 xpt_free_ccb(reset_ccb);
1957 xpt_free_ccb(work_ccb);
1958 xpt_done(request_ccb);
1961 xpt_free_ccb(reset_ccb);
1964 /* Save some state for use while we probe for devices */
1965 scan_info = (scsi_scan_bus_info *) malloc(sizeof(scsi_scan_bus_info) +
1966 (work_ccb->cpi.max_target * sizeof (u_int)), M_CAMXPT, M_ZERO|M_NOWAIT);
1967 if (scan_info == NULL) {
1968 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL;
1969 xpt_free_ccb(work_ccb);
1970 xpt_done(request_ccb);
1973 CAM_DEBUG(request_ccb->ccb_h.path, CAM_DEBUG_TRACE,
1974 ("SCAN start for %p\n", scan_info));
1975 scan_info->request_ccb = request_ccb;
1976 scan_info->cpi = &work_ccb->cpi;
1978 /* Cache on our stack so we can work asynchronously */
1979 max_target = scan_info->cpi->max_target;
1981 initiator_id = scan_info->cpi->initiator_id;
1985 * We can scan all targets in parallel, or do it sequentially.
1988 if (request_ccb->ccb_h.func_code == XPT_SCAN_TGT) {
1989 max_target = low_target = request_ccb->ccb_h.target_id;
1990 scan_info->counter = 0;
1991 } else if (scan_info->cpi->hba_misc & PIM_SEQSCAN) {
1993 scan_info->counter = 0;
1995 scan_info->counter = scan_info->cpi->max_target + 1;
1996 if (scan_info->cpi->initiator_id < scan_info->counter) {
1997 scan_info->counter--;
2000 mtx = xpt_path_mtx(scan_info->request_ccb->ccb_h.path);
2003 for (i = low_target; i <= max_target; i++) {
2005 if (i == initiator_id)
2008 status = xpt_create_path(&path, NULL,
2009 request_ccb->ccb_h.path_id,
2011 if (status != CAM_REQ_CMP) {
2012 printf("scsi_scan_bus: xpt_create_path failed"
2013 " with status %#x, bus scan halted\n",
2015 free(scan_info, M_CAMXPT);
2016 request_ccb->ccb_h.status = status;
2017 xpt_free_ccb(work_ccb);
2018 xpt_done(request_ccb);
2021 work_ccb = xpt_alloc_ccb_nowait();
2022 if (work_ccb == NULL) {
2023 xpt_free_ccb((union ccb *)scan_info->cpi);
2024 free(scan_info, M_CAMXPT);
2025 xpt_free_path(path);
2026 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL;
2027 xpt_done(request_ccb);
2030 xpt_setup_ccb(&work_ccb->ccb_h, path,
2031 request_ccb->ccb_h.pinfo.priority);
2032 work_ccb->ccb_h.func_code = XPT_SCAN_LUN;
2033 work_ccb->ccb_h.cbfcnp = scsi_scan_bus;
2034 work_ccb->ccb_h.flags |= CAM_UNLOCKED;
2035 work_ccb->ccb_h.ppriv_ptr0 = scan_info;
2036 work_ccb->crcn.flags = request_ccb->crcn.flags;
2037 xpt_action(work_ccb);
2046 struct cam_path *path, *oldpath;
2047 scsi_scan_bus_info *scan_info;
2048 struct cam_et *target;
2049 struct cam_ed *device, *nextdev;
2052 target_id_t target_id;
2055 oldpath = request_ccb->ccb_h.path;
2057 status = cam_ccb_status(request_ccb);
2058 scan_info = (scsi_scan_bus_info *)request_ccb->ccb_h.ppriv_ptr0;
2059 path_id = request_ccb->ccb_h.path_id;
2060 target_id = request_ccb->ccb_h.target_id;
2061 lun_id = request_ccb->ccb_h.target_lun;
2062 target = request_ccb->ccb_h.path->target;
2065 mtx = xpt_path_mtx(scan_info->request_ccb->ccb_h.path);
2067 mtx_lock(&target->luns_mtx);
2070 u_int nluns = scsi_4btoul(target->luns->length) / 8;
2073 * Make sure we skip over lun 0 if it's the first member
2074 * of the list as we've actually just finished probing
2077 CAM_GET_LUN(target->luns, 0, first);
2078 if (first == 0 && scan_info->lunindex[target_id] == 0) {
2079 scan_info->lunindex[target_id]++;
2083 * Skip any LUNs that the HBA can't deal with.
2085 while (scan_info->lunindex[target_id] < nluns) {
2086 if (scan_info->cpi->hba_misc & PIM_EXTLUNS) {
2087 CAM_GET_LUN(target->luns,
2088 scan_info->lunindex[target_id],
2093 /* XXX print warning? */
2094 if (!CAM_LUN_ONLY_32BITS(target->luns,
2095 scan_info->lunindex[target_id]))
2097 if (CAM_CAN_GET_SIMPLE_LUN(target->luns,
2098 scan_info->lunindex[target_id])) {
2099 CAM_GET_SIMPLE_LUN(target->luns,
2100 scan_info->lunindex[target_id],
2105 scan_info->lunindex[target_id]++;
2108 if (scan_info->lunindex[target_id] < nluns) {
2109 mtx_unlock(&target->luns_mtx);
2111 CAM_DEBUG(request_ccb->ccb_h.path,
2113 ("next lun to try at index %u is %jx\n",
2114 scan_info->lunindex[target_id],
2115 (uintmax_t)lun_id));
2116 scan_info->lunindex[target_id]++;
2118 mtx_unlock(&target->luns_mtx);
2119 /* We're done with scanning all luns. */
2122 mtx_unlock(&target->luns_mtx);
2123 device = request_ccb->ccb_h.path->device;
2124 /* Continue sequential LUN scan if: */
2125 /* -- we have more LUNs that need recheck */
2126 mtx_lock(&target->bus->eb_mtx);
2128 while ((nextdev = TAILQ_NEXT(nextdev, links)) != NULL)
2129 if ((nextdev->flags & CAM_DEV_UNCONFIGURED) == 0)
2131 mtx_unlock(&target->bus->eb_mtx);
2132 if (nextdev != NULL) {
2134 /* -- stop if CAM_QUIRK_NOLUNS is set. */
2135 } else if (SCSI_QUIRK(device)->quirks & CAM_QUIRK_NOLUNS) {
2137 /* -- this LUN is connected and its SCSI version
2138 * allows more LUNs. */
2139 } else if ((device->flags & CAM_DEV_UNCONFIGURED) == 0) {
2140 if (lun_id < (CAM_SCSI2_MAXLUN-1) ||
2141 CAN_SRCH_HI_DENSE(device))
2143 /* -- this LUN is disconnected, its SCSI version
2144 * allows more LUNs and we guess they may be. */
2145 } else if ((device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0) {
2146 if (lun_id < (CAM_SCSI2_MAXLUN-1) ||
2147 CAN_SRCH_HI_SPARSE(device))
2150 if (next_target == 0) {
2152 if (lun_id > scan_info->cpi->max_lun)
2158 * Check to see if we scan any further luns.
2164 * Free the current request path- we're done with it.
2166 xpt_free_path(oldpath);
2169 if (scan_info->request_ccb->ccb_h.func_code == XPT_SCAN_TGT) {
2171 } else if (scan_info->cpi->hba_misc & PIM_SEQSCAN) {
2172 scan_info->counter++;
2173 if (scan_info->counter ==
2174 scan_info->cpi->initiator_id) {
2175 scan_info->counter++;
2177 if (scan_info->counter >=
2178 scan_info->cpi->max_target+1) {
2182 scan_info->counter--;
2183 if (scan_info->counter == 0) {
2189 xpt_free_ccb(request_ccb);
2190 xpt_free_ccb((union ccb *)scan_info->cpi);
2191 request_ccb = scan_info->request_ccb;
2192 CAM_DEBUG(request_ccb->ccb_h.path,
2194 ("SCAN done for %p\n", scan_info));
2195 free(scan_info, M_CAMXPT);
2196 request_ccb->ccb_h.status = CAM_REQ_CMP;
2197 xpt_done(request_ccb);
2201 if ((scan_info->cpi->hba_misc & PIM_SEQSCAN) == 0) {
2203 xpt_free_ccb(request_ccb);
2206 status = xpt_create_path(&path, NULL,
2207 scan_info->request_ccb->ccb_h.path_id,
2208 scan_info->counter, 0);
2209 if (status != CAM_REQ_CMP) {
2211 printf("scsi_scan_bus: xpt_create_path failed"
2212 " with status %#x, bus scan halted\n",
2214 xpt_free_ccb(request_ccb);
2215 xpt_free_ccb((union ccb *)scan_info->cpi);
2216 request_ccb = scan_info->request_ccb;
2217 free(scan_info, M_CAMXPT);
2218 request_ccb->ccb_h.status = status;
2219 xpt_done(request_ccb);
2222 xpt_setup_ccb(&request_ccb->ccb_h, path,
2223 request_ccb->ccb_h.pinfo.priority);
2224 request_ccb->ccb_h.func_code = XPT_SCAN_LUN;
2225 request_ccb->ccb_h.cbfcnp = scsi_scan_bus;
2226 request_ccb->ccb_h.flags |= CAM_UNLOCKED;
2227 request_ccb->ccb_h.ppriv_ptr0 = scan_info;
2228 request_ccb->crcn.flags =
2229 scan_info->request_ccb->crcn.flags;
2231 status = xpt_create_path(&path, NULL,
2232 path_id, target_id, lun_id);
2234 * Free the old request path- we're done with it. We
2235 * do this *after* creating the new path so that
2236 * we don't remove a target that has our lun list
2237 * in the case that lun 0 is not present.
2239 xpt_free_path(oldpath);
2240 if (status != CAM_REQ_CMP) {
2241 printf("scsi_scan_bus: xpt_create_path failed "
2242 "with status %#x, halting LUN scan\n",
2246 xpt_setup_ccb(&request_ccb->ccb_h, path,
2247 request_ccb->ccb_h.pinfo.priority);
2248 request_ccb->ccb_h.func_code = XPT_SCAN_LUN;
2249 request_ccb->ccb_h.cbfcnp = scsi_scan_bus;
2250 request_ccb->ccb_h.flags |= CAM_UNLOCKED;
2251 request_ccb->ccb_h.ppriv_ptr0 = scan_info;
2252 request_ccb->crcn.flags =
2253 scan_info->request_ccb->crcn.flags;
2256 xpt_action(request_ccb);
2265 scsi_scan_lun(struct cam_periph *periph, struct cam_path *path,
2266 cam_flags flags, union ccb *request_ccb)
2268 struct ccb_pathinq cpi;
2270 struct cam_path *new_path;
2271 struct cam_periph *old_periph;
2274 CAM_DEBUG(path, CAM_DEBUG_TRACE, ("scsi_scan_lun\n"));
2276 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE);
2277 cpi.ccb_h.func_code = XPT_PATH_INQ;
2278 xpt_action((union ccb *)&cpi);
2280 if (cpi.ccb_h.status != CAM_REQ_CMP) {
2281 if (request_ccb != NULL) {
2282 request_ccb->ccb_h.status = cpi.ccb_h.status;
2283 xpt_done(request_ccb);
2288 if ((cpi.hba_misc & PIM_NOINITIATOR) != 0) {
2290 * Can't scan the bus on an adapter that
2291 * cannot perform the initiator role.
2293 if (request_ccb != NULL) {
2294 request_ccb->ccb_h.status = CAM_REQ_CMP;
2295 xpt_done(request_ccb);
2300 if (request_ccb == NULL) {
2301 request_ccb = xpt_alloc_ccb_nowait();
2302 if (request_ccb == NULL) {
2303 xpt_print(path, "scsi_scan_lun: can't allocate CCB, "
2304 "can't continue\n");
2307 status = xpt_create_path(&new_path, NULL,
2309 path->target->target_id,
2310 path->device->lun_id);
2311 if (status != CAM_REQ_CMP) {
2312 xpt_print(path, "scsi_scan_lun: can't create path, "
2313 "can't continue\n");
2314 xpt_free_ccb(request_ccb);
2317 xpt_setup_ccb(&request_ccb->ccb_h, new_path, CAM_PRIORITY_XPT);
2318 request_ccb->ccb_h.cbfcnp = xptscandone;
2319 request_ccb->ccb_h.func_code = XPT_SCAN_LUN;
2320 request_ccb->ccb_h.flags |= CAM_UNLOCKED;
2321 request_ccb->crcn.flags = flags;
2324 lock = (xpt_path_owned(path) == 0);
2326 xpt_path_lock(path);
2327 if ((old_periph = cam_periph_find(path, "probe")) != NULL) {
2328 if ((old_periph->flags & CAM_PERIPH_INVALID) == 0) {
2331 softc = (probe_softc *)old_periph->softc;
2332 TAILQ_INSERT_TAIL(&softc->request_ccbs,
2333 &request_ccb->ccb_h, periph_links.tqe);
2335 request_ccb->ccb_h.status = CAM_REQ_CMP_ERR;
2336 xpt_done(request_ccb);
2339 status = cam_periph_alloc(proberegister, NULL, probecleanup,
2340 probestart, "probe",
2342 request_ccb->ccb_h.path, NULL, 0,
2345 if (status != CAM_REQ_CMP) {
2346 xpt_print(path, "scsi_scan_lun: cam_alloc_periph "
2347 "returned an error, can't continue probe\n");
2348 request_ccb->ccb_h.status = status;
2349 xpt_done(request_ccb);
2353 xpt_path_unlock(path);
2357 xptscandone(struct cam_periph *periph, union ccb *done_ccb)
2360 xpt_free_path(done_ccb->ccb_h.path);
2361 xpt_free_ccb(done_ccb);
2364 static struct cam_ed *
2365 scsi_alloc_device(struct cam_eb *bus, struct cam_et *target, lun_id_t lun_id)
2367 struct scsi_quirk_entry *quirk;
2368 struct cam_ed *device;
2370 device = xpt_alloc_device(bus, target, lun_id);
2375 * Take the default quirk entry until we have inquiry
2376 * data and can determine a better quirk to use.
2378 quirk = &scsi_quirk_table[scsi_quirk_table_size - 1];
2379 device->quirk = (void *)quirk;
2380 device->mintags = quirk->mintags;
2381 device->maxtags = quirk->maxtags;
2382 bzero(&device->inq_data, sizeof(device->inq_data));
2383 device->inq_flags = 0;
2384 device->queue_flags = 0;
2385 device->serial_num = NULL;
2386 device->serial_num_len = 0;
2387 device->device_id = NULL;
2388 device->device_id_len = 0;
2389 device->supported_vpds = NULL;
2390 device->supported_vpds_len = 0;
2395 scsi_devise_transport(struct cam_path *path)
2397 struct ccb_pathinq cpi;
2398 struct ccb_trans_settings cts;
2399 struct scsi_inquiry_data *inq_buf;
2401 /* Get transport information from the SIM */
2402 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE);
2403 cpi.ccb_h.func_code = XPT_PATH_INQ;
2404 xpt_action((union ccb *)&cpi);
2407 if ((path->device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0)
2408 inq_buf = &path->device->inq_data;
2409 path->device->protocol = PROTO_SCSI;
2410 path->device->protocol_version =
2411 inq_buf != NULL ? SID_ANSI_REV(inq_buf) : cpi.protocol_version;
2412 path->device->transport = cpi.transport;
2413 path->device->transport_version = cpi.transport_version;
2416 * Any device not using SPI3 features should
2417 * be considered SPI2 or lower.
2419 if (inq_buf != NULL) {
2420 if (path->device->transport == XPORT_SPI
2421 && (inq_buf->spi3data & SID_SPI_MASK) == 0
2422 && path->device->transport_version > 2)
2423 path->device->transport_version = 2;
2425 struct cam_ed* otherdev;
2427 for (otherdev = TAILQ_FIRST(&path->target->ed_entries);
2429 otherdev = TAILQ_NEXT(otherdev, links)) {
2430 if (otherdev != path->device)
2434 if (otherdev != NULL) {
2436 * Initially assume the same versioning as
2437 * prior luns for this target.
2439 path->device->protocol_version =
2440 otherdev->protocol_version;
2441 path->device->transport_version =
2442 otherdev->transport_version;
2444 /* Until we know better, opt for safty */
2445 path->device->protocol_version = 2;
2446 if (path->device->transport == XPORT_SPI)
2447 path->device->transport_version = 2;
2449 path->device->transport_version = 0;
2455 * For a device compliant with SPC-2 we should be able
2456 * to determine the transport version supported by
2457 * scrutinizing the version descriptors in the
2461 /* Tell the controller what we think */
2462 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE);
2463 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS;
2464 cts.type = CTS_TYPE_CURRENT_SETTINGS;
2465 cts.transport = path->device->transport;
2466 cts.transport_version = path->device->transport_version;
2467 cts.protocol = path->device->protocol;
2468 cts.protocol_version = path->device->protocol_version;
2469 cts.proto_specific.valid = 0;
2470 cts.xport_specific.valid = 0;
2471 xpt_action((union ccb *)&cts);
2475 scsi_dev_advinfo(union ccb *start_ccb)
2477 struct cam_ed *device;
2478 struct ccb_dev_advinfo *cdai;
2481 start_ccb->ccb_h.status = CAM_REQ_INVALID;
2482 device = start_ccb->ccb_h.path->device;
2483 cdai = &start_ccb->cdai;
2484 switch(cdai->buftype) {
2485 case CDAI_TYPE_SCSI_DEVID:
2486 if (cdai->flags & CDAI_FLAG_STORE)
2488 cdai->provsiz = device->device_id_len;
2489 if (device->device_id_len == 0)
2491 amt = device->device_id_len;
2492 if (cdai->provsiz > cdai->bufsiz)
2494 memcpy(cdai->buf, device->device_id, amt);
2496 case CDAI_TYPE_SERIAL_NUM:
2497 if (cdai->flags & CDAI_FLAG_STORE)
2499 cdai->provsiz = device->serial_num_len;
2500 if (device->serial_num_len == 0)
2502 amt = device->serial_num_len;
2503 if (cdai->provsiz > cdai->bufsiz)
2505 memcpy(cdai->buf, device->serial_num, amt);
2507 case CDAI_TYPE_PHYS_PATH:
2508 if (cdai->flags & CDAI_FLAG_STORE) {
2509 if (device->physpath != NULL) {
2510 free(device->physpath, M_CAMXPT);
2511 device->physpath = NULL;
2513 device->physpath_len = cdai->bufsiz;
2514 /* Clear existing buffer if zero length */
2515 if (cdai->bufsiz == 0)
2517 device->physpath = malloc(cdai->bufsiz, M_CAMXPT, M_NOWAIT);
2518 if (device->physpath == NULL) {
2519 start_ccb->ccb_h.status = CAM_REQ_ABORTED;
2522 memcpy(device->physpath, cdai->buf, cdai->bufsiz);
2524 cdai->provsiz = device->physpath_len;
2525 if (device->physpath_len == 0)
2527 amt = device->physpath_len;
2528 if (cdai->provsiz > cdai->bufsiz)
2530 memcpy(cdai->buf, device->physpath, amt);
2533 case CDAI_TYPE_RCAPLONG:
2534 if (cdai->flags & CDAI_FLAG_STORE) {
2535 if (device->rcap_buf != NULL) {
2536 free(device->rcap_buf, M_CAMXPT);
2537 device->rcap_buf = NULL;
2540 device->rcap_len = cdai->bufsiz;
2541 /* Clear existing buffer if zero length */
2542 if (cdai->bufsiz == 0)
2545 device->rcap_buf = malloc(cdai->bufsiz, M_CAMXPT,
2547 if (device->rcap_buf == NULL) {
2548 start_ccb->ccb_h.status = CAM_REQ_ABORTED;
2552 memcpy(device->rcap_buf, cdai->buf, cdai->bufsiz);
2554 cdai->provsiz = device->rcap_len;
2555 if (device->rcap_len == 0)
2557 amt = device->rcap_len;
2558 if (cdai->provsiz > cdai->bufsiz)
2560 memcpy(cdai->buf, device->rcap_buf, amt);
2563 case CDAI_TYPE_EXT_INQ:
2565 * We fetch extended inquiry data during probe, if
2566 * available. We don't allow changing it.
2568 if (cdai->flags & CDAI_FLAG_STORE)
2570 cdai->provsiz = device->ext_inq_len;
2571 if (device->ext_inq_len == 0)
2573 amt = device->ext_inq_len;
2574 if (cdai->provsiz > cdai->bufsiz)
2576 memcpy(cdai->buf, device->ext_inq, amt);
2581 start_ccb->ccb_h.status = CAM_REQ_CMP;
2583 if (cdai->flags & CDAI_FLAG_STORE) {
2584 xpt_async(AC_ADVINFO_CHANGED, start_ccb->ccb_h.path,
2585 (void *)(uintptr_t)cdai->buftype);
2590 scsi_action(union ccb *start_ccb)
2593 switch (start_ccb->ccb_h.func_code) {
2594 case XPT_SET_TRAN_SETTINGS:
2596 scsi_set_transfer_settings(&start_ccb->cts,
2597 start_ccb->ccb_h.path,
2598 /*async_update*/FALSE);
2603 scsi_scan_bus(start_ccb->ccb_h.path->periph, start_ccb);
2606 scsi_scan_lun(start_ccb->ccb_h.path->periph,
2607 start_ccb->ccb_h.path, start_ccb->crcn.flags,
2610 case XPT_DEV_ADVINFO:
2612 scsi_dev_advinfo(start_ccb);
2616 xpt_action_default(start_ccb);
2622 scsi_set_transfer_settings(struct ccb_trans_settings *cts, struct cam_path *path,
2625 struct ccb_pathinq cpi;
2626 struct ccb_trans_settings cur_cts;
2627 struct ccb_trans_settings_scsi *scsi;
2628 struct ccb_trans_settings_scsi *cur_scsi;
2629 struct scsi_inquiry_data *inq_data;
2630 struct cam_ed *device;
2632 if (path == NULL || (device = path->device) == NULL) {
2633 cts->ccb_h.status = CAM_PATH_INVALID;
2634 xpt_done((union ccb *)cts);
2638 if (cts->protocol == PROTO_UNKNOWN
2639 || cts->protocol == PROTO_UNSPECIFIED) {
2640 cts->protocol = device->protocol;
2641 cts->protocol_version = device->protocol_version;
2644 if (cts->protocol_version == PROTO_VERSION_UNKNOWN
2645 || cts->protocol_version == PROTO_VERSION_UNSPECIFIED)
2646 cts->protocol_version = device->protocol_version;
2648 if (cts->protocol != device->protocol) {
2649 xpt_print(path, "Uninitialized Protocol %x:%x?\n",
2650 cts->protocol, device->protocol);
2651 cts->protocol = device->protocol;
2654 if (cts->protocol_version > device->protocol_version) {
2656 xpt_print(path, "Down reving Protocol "
2657 "Version from %d to %d?\n", cts->protocol_version,
2658 device->protocol_version);
2660 cts->protocol_version = device->protocol_version;
2663 if (cts->transport == XPORT_UNKNOWN
2664 || cts->transport == XPORT_UNSPECIFIED) {
2665 cts->transport = device->transport;
2666 cts->transport_version = device->transport_version;
2669 if (cts->transport_version == XPORT_VERSION_UNKNOWN
2670 || cts->transport_version == XPORT_VERSION_UNSPECIFIED)
2671 cts->transport_version = device->transport_version;
2673 if (cts->transport != device->transport) {
2674 xpt_print(path, "Uninitialized Transport %x:%x?\n",
2675 cts->transport, device->transport);
2676 cts->transport = device->transport;
2679 if (cts->transport_version > device->transport_version) {
2681 xpt_print(path, "Down reving Transport "
2682 "Version from %d to %d?\n", cts->transport_version,
2683 device->transport_version);
2685 cts->transport_version = device->transport_version;
2689 * Nothing more of interest to do unless
2690 * this is a device connected via the
2693 if (cts->protocol != PROTO_SCSI) {
2694 if (async_update == FALSE)
2695 xpt_action_default((union ccb *)cts);
2699 inq_data = &device->inq_data;
2700 scsi = &cts->proto_specific.scsi;
2701 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE);
2702 cpi.ccb_h.func_code = XPT_PATH_INQ;
2703 xpt_action((union ccb *)&cpi);
2705 /* SCSI specific sanity checking */
2706 if ((cpi.hba_inquiry & PI_TAG_ABLE) == 0
2707 || (INQ_DATA_TQ_ENABLED(inq_data)) == 0
2708 || (device->queue_flags & SCP_QUEUE_DQUE) != 0
2709 || (device->mintags == 0)) {
2711 * Can't tag on hardware that doesn't support tags,
2712 * doesn't have it enabled, or has broken tag support.
2714 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB;
2717 if (async_update == FALSE) {
2719 * Perform sanity checking against what the
2720 * controller and device can do.
2722 xpt_setup_ccb(&cur_cts.ccb_h, path, CAM_PRIORITY_NONE);
2723 cur_cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS;
2724 cur_cts.type = cts->type;
2725 xpt_action((union ccb *)&cur_cts);
2726 if (cam_ccb_status((union ccb *)&cur_cts) != CAM_REQ_CMP) {
2729 cur_scsi = &cur_cts.proto_specific.scsi;
2730 if ((scsi->valid & CTS_SCSI_VALID_TQ) == 0) {
2731 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB;
2732 scsi->flags |= cur_scsi->flags & CTS_SCSI_FLAGS_TAG_ENB;
2734 if ((cur_scsi->valid & CTS_SCSI_VALID_TQ) == 0)
2735 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB;
2738 /* SPI specific sanity checking */
2739 if (cts->transport == XPORT_SPI && async_update == FALSE) {
2741 struct ccb_trans_settings_spi *spi;
2742 struct ccb_trans_settings_spi *cur_spi;
2744 spi = &cts->xport_specific.spi;
2746 cur_spi = &cur_cts.xport_specific.spi;
2748 /* Fill in any gaps in what the user gave us */
2749 if ((spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0)
2750 spi->sync_period = cur_spi->sync_period;
2751 if ((cur_spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0)
2752 spi->sync_period = 0;
2753 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0)
2754 spi->sync_offset = cur_spi->sync_offset;
2755 if ((cur_spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0)
2756 spi->sync_offset = 0;
2757 if ((spi->valid & CTS_SPI_VALID_PPR_OPTIONS) == 0)
2758 spi->ppr_options = cur_spi->ppr_options;
2759 if ((cur_spi->valid & CTS_SPI_VALID_PPR_OPTIONS) == 0)
2760 spi->ppr_options = 0;
2761 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) == 0)
2762 spi->bus_width = cur_spi->bus_width;
2763 if ((cur_spi->valid & CTS_SPI_VALID_BUS_WIDTH) == 0)
2765 if ((spi->valid & CTS_SPI_VALID_DISC) == 0) {
2766 spi->flags &= ~CTS_SPI_FLAGS_DISC_ENB;
2767 spi->flags |= cur_spi->flags & CTS_SPI_FLAGS_DISC_ENB;
2769 if ((cur_spi->valid & CTS_SPI_VALID_DISC) == 0)
2770 spi->flags &= ~CTS_SPI_FLAGS_DISC_ENB;
2771 if (((device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0
2772 && (inq_data->flags & SID_Sync) == 0
2773 && cts->type == CTS_TYPE_CURRENT_SETTINGS)
2774 || ((cpi.hba_inquiry & PI_SDTR_ABLE) == 0)) {
2776 spi->sync_period = 0;
2777 spi->sync_offset = 0;
2780 switch (spi->bus_width) {
2781 case MSG_EXT_WDTR_BUS_32_BIT:
2782 if (((device->flags & CAM_DEV_INQUIRY_DATA_VALID) == 0
2783 || (inq_data->flags & SID_WBus32) != 0
2784 || cts->type == CTS_TYPE_USER_SETTINGS)
2785 && (cpi.hba_inquiry & PI_WIDE_32) != 0)
2787 /* Fall Through to 16-bit */
2788 case MSG_EXT_WDTR_BUS_16_BIT:
2789 if (((device->flags & CAM_DEV_INQUIRY_DATA_VALID) == 0
2790 || (inq_data->flags & SID_WBus16) != 0
2791 || cts->type == CTS_TYPE_USER_SETTINGS)
2792 && (cpi.hba_inquiry & PI_WIDE_16) != 0) {
2793 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT;
2796 /* Fall Through to 8-bit */
2797 default: /* New bus width?? */
2798 case MSG_EXT_WDTR_BUS_8_BIT:
2799 /* All targets can do this */
2800 spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT;
2804 spi3caps = cpi.xport_specific.spi.ppr_options;
2805 if ((device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0
2806 && cts->type == CTS_TYPE_CURRENT_SETTINGS)
2807 spi3caps &= inq_data->spi3data;
2809 if ((spi3caps & SID_SPI_CLOCK_DT) == 0)
2810 spi->ppr_options &= ~MSG_EXT_PPR_DT_REQ;
2812 if ((spi3caps & SID_SPI_IUS) == 0)
2813 spi->ppr_options &= ~MSG_EXT_PPR_IU_REQ;
2815 if ((spi3caps & SID_SPI_QAS) == 0)
2816 spi->ppr_options &= ~MSG_EXT_PPR_QAS_REQ;
2818 /* No SPI Transfer settings are allowed unless we are wide */
2819 if (spi->bus_width == 0)
2820 spi->ppr_options = 0;
2822 if ((spi->valid & CTS_SPI_VALID_DISC)
2823 && ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) == 0)) {
2825 * Can't tag queue without disconnection.
2827 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB;
2828 scsi->valid |= CTS_SCSI_VALID_TQ;
2832 * If we are currently performing tagged transactions to
2833 * this device and want to change its negotiation parameters,
2834 * go non-tagged for a bit to give the controller a chance to
2835 * negotiate unhampered by tag messages.
2837 if (cts->type == CTS_TYPE_CURRENT_SETTINGS
2838 && (device->inq_flags & SID_CmdQue) != 0
2839 && (scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0
2840 && (spi->flags & (CTS_SPI_VALID_SYNC_RATE|
2841 CTS_SPI_VALID_SYNC_OFFSET|
2842 CTS_SPI_VALID_BUS_WIDTH)) != 0)
2843 scsi_toggle_tags(path);
2846 if (cts->type == CTS_TYPE_CURRENT_SETTINGS
2847 && (scsi->valid & CTS_SCSI_VALID_TQ) != 0) {
2851 * If we are transitioning from tags to no-tags or
2852 * vice-versa, we need to carefully freeze and restart
2853 * the queue so that we don't overlap tagged and non-tagged
2854 * commands. We also temporarily stop tags if there is
2855 * a change in transfer negotiation settings to allow
2856 * "tag-less" negotiation.
2858 if ((device->flags & CAM_DEV_TAG_AFTER_COUNT) != 0
2859 || (device->inq_flags & SID_CmdQue) != 0)
2860 device_tagenb = TRUE;
2862 device_tagenb = FALSE;
2864 if (((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0
2865 && device_tagenb == FALSE)
2866 || ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) == 0
2867 && device_tagenb == TRUE)) {
2869 if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0) {
2871 * Delay change to use tags until after a
2872 * few commands have gone to this device so
2873 * the controller has time to perform transfer
2874 * negotiations without tagged messages getting
2877 device->tag_delay_count = CAM_TAG_DELAY_COUNT;
2878 device->flags |= CAM_DEV_TAG_AFTER_COUNT;
2880 xpt_stop_tags(path);
2884 if (async_update == FALSE)
2885 xpt_action_default((union ccb *)cts);
2889 scsi_toggle_tags(struct cam_path *path)
2894 * Give controllers a chance to renegotiate
2895 * before starting tag operations. We
2896 * "toggle" tagged queuing off then on
2897 * which causes the tag enable command delay
2898 * counter to come into effect.
2901 if ((dev->flags & CAM_DEV_TAG_AFTER_COUNT) != 0
2902 || ((dev->inq_flags & SID_CmdQue) != 0
2903 && (dev->inq_flags & (SID_Sync|SID_WBus16|SID_WBus32)) != 0)) {
2904 struct ccb_trans_settings cts;
2906 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE);
2907 cts.protocol = PROTO_SCSI;
2908 cts.protocol_version = PROTO_VERSION_UNSPECIFIED;
2909 cts.transport = XPORT_UNSPECIFIED;
2910 cts.transport_version = XPORT_VERSION_UNSPECIFIED;
2911 cts.proto_specific.scsi.flags = 0;
2912 cts.proto_specific.scsi.valid = CTS_SCSI_VALID_TQ;
2913 scsi_set_transfer_settings(&cts, path,
2914 /*async_update*/TRUE);
2915 cts.proto_specific.scsi.flags = CTS_SCSI_FLAGS_TAG_ENB;
2916 scsi_set_transfer_settings(&cts, path,
2917 /*async_update*/TRUE);
2922 * Handle any per-device event notifications that require action by the XPT.
2925 scsi_dev_async(u_int32_t async_code, struct cam_eb *bus, struct cam_et *target,
2926 struct cam_ed *device, void *async_arg)
2929 struct cam_path newpath;
2932 * We only need to handle events for real devices.
2934 if (target->target_id == CAM_TARGET_WILDCARD
2935 || device->lun_id == CAM_LUN_WILDCARD)
2939 * We need our own path with wildcards expanded to
2940 * handle certain types of events.
2942 if ((async_code == AC_SENT_BDR)
2943 || (async_code == AC_BUS_RESET)
2944 || (async_code == AC_INQ_CHANGED))
2945 status = xpt_compile_path(&newpath, NULL,
2950 status = CAM_REQ_CMP_ERR;
2952 if (status == CAM_REQ_CMP) {
2955 * Allow transfer negotiation to occur in a
2956 * tag free environment and after settle delay.
2958 if (async_code == AC_SENT_BDR
2959 || async_code == AC_BUS_RESET) {
2960 cam_freeze_devq(&newpath);
2961 cam_release_devq(&newpath,
2962 RELSIM_RELEASE_AFTER_TIMEOUT,
2964 /*timeout*/scsi_delay,
2965 /*getcount_only*/0);
2966 scsi_toggle_tags(&newpath);
2969 if (async_code == AC_INQ_CHANGED) {
2971 * We've sent a start unit command, or
2972 * something similar to a device that
2973 * may have caused its inquiry data to
2974 * change. So we re-scan the device to
2975 * refresh the inquiry data for it.
2977 scsi_scan_lun(newpath.periph, &newpath,
2978 CAM_EXPECT_INQ_CHANGE, NULL);
2980 xpt_release_path(&newpath);
2981 } else if (async_code == AC_LOST_DEVICE &&
2982 (device->flags & CAM_DEV_UNCONFIGURED) == 0) {
2983 device->flags |= CAM_DEV_UNCONFIGURED;
2984 xpt_release_device(device);
2985 } else if (async_code == AC_TRANSFER_NEG) {
2986 struct ccb_trans_settings *settings;
2987 struct cam_path path;
2989 settings = (struct ccb_trans_settings *)async_arg;
2990 xpt_compile_path(&path, NULL, bus->path_id, target->target_id,
2992 scsi_set_transfer_settings(settings, &path,
2993 /*async_update*/TRUE);
2994 xpt_release_path(&path);
2999 scsi_announce_periph(struct cam_periph *periph)
3001 struct ccb_pathinq cpi;
3002 struct ccb_trans_settings cts;
3003 struct cam_path *path = periph->path;
3008 cam_periph_assert(periph, MA_OWNED);
3010 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NORMAL);
3011 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS;
3012 cts.type = CTS_TYPE_CURRENT_SETTINGS;
3013 xpt_action((union ccb*)&cts);
3014 if (cam_ccb_status((union ccb *)&cts) != CAM_REQ_CMP)
3016 /* Ask the SIM for its base transfer speed */
3017 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NORMAL);
3018 cpi.ccb_h.func_code = XPT_PATH_INQ;
3019 xpt_action((union ccb *)&cpi);
3020 /* Report connection speed */
3021 speed = cpi.base_transfer_speed;
3023 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_SPI) {
3024 struct ccb_trans_settings_spi *spi =
3025 &cts.xport_specific.spi;
3027 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) != 0
3028 && spi->sync_offset != 0) {
3029 freq = scsi_calc_syncsrate(spi->sync_period);
3032 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0)
3033 speed *= (0x01 << spi->bus_width);
3035 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_FC) {
3036 struct ccb_trans_settings_fc *fc =
3037 &cts.xport_specific.fc;
3039 if (fc->valid & CTS_FC_VALID_SPEED)
3040 speed = fc->bitrate;
3042 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_SAS) {
3043 struct ccb_trans_settings_sas *sas =
3044 &cts.xport_specific.sas;
3046 if (sas->valid & CTS_SAS_VALID_SPEED)
3047 speed = sas->bitrate;
3051 printf("%s%d: %d.%03dMB/s transfers",
3052 periph->periph_name, periph->unit_number,
3055 printf("%s%d: %dKB/s transfers", periph->periph_name,
3056 periph->unit_number, speed);
3057 /* Report additional information about SPI connections */
3058 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_SPI) {
3059 struct ccb_trans_settings_spi *spi;
3061 spi = &cts.xport_specific.spi;
3063 printf(" (%d.%03dMHz%s, offset %d", freq / 1000,
3065 (spi->ppr_options & MSG_EXT_PPR_DT_REQ) != 0
3069 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0
3070 && spi->bus_width > 0) {
3076 printf("%dbit)", 8 * (0x01 << spi->bus_width));
3077 } else if (freq != 0) {
3081 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_FC) {
3082 struct ccb_trans_settings_fc *fc;
3084 fc = &cts.xport_specific.fc;
3085 if (fc->valid & CTS_FC_VALID_WWNN)
3086 printf(" WWNN 0x%llx", (long long) fc->wwnn);
3087 if (fc->valid & CTS_FC_VALID_WWPN)
3088 printf(" WWPN 0x%llx", (long long) fc->wwpn);
3089 if (fc->valid & CTS_FC_VALID_PORT)
3090 printf(" PortID 0x%x", fc->port);