2 * Implementation of SCSI Direct Access Peripheral driver for CAM.
4 * Copyright (c) 1997 Justin T. Gibbs.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions, and the following disclaimer,
12 * without modification, immediately at the beginning of the file.
13 * 2. The name of the author may not be used to endorse or promote products
14 * derived from this software without specific prior written permission.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
20 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * $FreeBSD: src/sys/cam/scsi/scsi_da.c,v 1.42.2.36 2003/05/17 21:48:30 njl Exp $
29 * $DragonFly: src/sys/bus/cam/scsi/scsi_da.c,v 1.6 2003/07/21 05:50:24 dillon Exp $
33 #include "opt_hw_wdog.h"
36 #include <sys/param.h>
37 #include <sys/bootmaj.h>
40 #include <sys/systm.h>
41 #include <sys/kernel.h>
43 #include <sys/sysctl.h>
46 #include <sys/devicestat.h>
49 #include <sys/eventhandler.h>
50 #include <sys/malloc.h>
55 #include <machine/md_var.h>
66 #include <cam/cam_ccb.h>
67 #include <cam/cam_extend.h>
68 #include <cam/cam_periph.h>
69 #include <cam/cam_xpt_periph.h>
71 #include <cam/scsi/scsi_message.h>
74 #include <cam/scsi/scsi_da.h>
84 DA_FLAG_PACK_INVALID = 0x001,
85 DA_FLAG_NEW_PACK = 0x002,
86 DA_FLAG_PACK_LOCKED = 0x004,
87 DA_FLAG_PACK_REMOVABLE = 0x008,
88 DA_FLAG_TAGGED_QUEUING = 0x010,
89 DA_FLAG_NEED_OTAG = 0x020,
90 DA_FLAG_WENT_IDLE = 0x040,
91 DA_FLAG_RETRY_UA = 0x080,
97 DA_Q_NO_SYNC_CACHE = 0x01,
103 DA_CCB_BUFFER_IO = 0x02,
104 DA_CCB_WAITING = 0x03,
106 DA_CCB_TYPE_MASK = 0x0F,
107 DA_CCB_RETRY_UA = 0x10
110 /* Offsets into our private area for storing information */
111 #define ccb_state ppriv_field0
112 #define ccb_bp ppriv_ptr1
117 u_int8_t secs_per_track;
118 u_int32_t secsize; /* Number of bytes/sector */
119 u_int32_t sectors; /* total number sectors */
123 struct buf_queue_head buf_queue;
124 struct devstat device_stats;
125 SLIST_ENTRY(da_softc) links;
126 LIST_HEAD(, ccb_hdr) pending_ccbs;
130 int minimum_cmd_size;
131 int ordered_tag_count;
132 struct disk_params params;
137 struct da_quirk_entry {
138 struct scsi_inquiry_pattern inq_pat;
142 static const char quantum[] = "QUANTUM";
143 static const char microp[] = "MICROP";
145 static struct da_quirk_entry da_quirk_table[] =
149 * Fujitsu M2513A MO drives.
150 * Tested devices: M2513A2 firmware versions 1200 & 1300.
151 * (dip switch selects whether T_DIRECT or T_OPTICAL device)
152 * Reported by: W.Scholten <whs@xs4all.nl>
154 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"},
155 /*quirks*/ DA_Q_NO_SYNC_CACHE
159 {T_OPTICAL, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"},
160 /*quirks*/ DA_Q_NO_SYNC_CACHE
164 * This particular Fujitsu drive doesn't like the
165 * synchronize cache command.
166 * Reported by: Tom Jackson <toj@gorilla.net>
168 {T_DIRECT, SIP_MEDIA_FIXED, "FUJITSU", "M2954*", "*"},
169 /*quirks*/ DA_Q_NO_SYNC_CACHE
174 * This drive doesn't like the synchronize cache command
175 * either. Reported by: Matthew Jacob <mjacob@feral.com>
176 * in NetBSD PR kern/6027, August 24, 1998.
178 {T_DIRECT, SIP_MEDIA_FIXED, microp, "2217*", "*"},
179 /*quirks*/ DA_Q_NO_SYNC_CACHE
183 * This drive doesn't like the synchronize cache command
184 * either. Reported by: Hellmuth Michaelis (hm@kts.org)
187 {T_DIRECT, SIP_MEDIA_FIXED, microp, "2112*", "*"},
188 /*quirks*/ DA_Q_NO_SYNC_CACHE
192 * Doesn't like the synchronize cache command.
193 * Reported by: Blaz Zupan <blaz@gold.amis.net>
195 {T_DIRECT, SIP_MEDIA_FIXED, "NEC", "D3847*", "*"},
196 /*quirks*/ DA_Q_NO_SYNC_CACHE
200 * Doesn't like the synchronize cache command.
202 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "MAVERICK 540S", "*"},
203 /*quirks*/ DA_Q_NO_SYNC_CACHE
207 * Doesn't like the synchronize cache command.
209 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS525S", "*"},
210 /*quirks*/ DA_Q_NO_SYNC_CACHE
214 * Doesn't work correctly with 6 byte reads/writes.
215 * Returns illegal request, and points to byte 9 of the
217 * Reported by: Adam McDougall <bsdx@spawnet.com>
219 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 4*", "*"},
220 /*quirks*/ DA_Q_NO_6_BYTE
226 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 2*", "*"},
227 /*quirks*/ DA_Q_NO_6_BYTE
230 /* Below a list of quirks for USB devices supported by umass. */
233 * This USB floppy drive uses the UFI command set. This
234 * command set is a derivative of the ATAPI command set and
235 * does not support READ_6 commands only READ_10. It also does
236 * not support sync cache (0x35).
238 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Y-E DATA", "USB-FDU", "*"},
239 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE
242 /* Another USB floppy */
243 {T_DIRECT, SIP_MEDIA_REMOVABLE, "MATSHITA", "FDD CF-VFDU*","*"},
244 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE
248 * Sony Memory Stick adapter MSAC-US1 and
249 * Sony PCG-C1VJ Internal Memory Stick Slot (MSC-U01).
250 * Make all sony MS* products use this quirk.
252 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "MS*", "*"},
253 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE
257 * Sony Memory Stick adapter for the CLIE series
260 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "CLIE*", "*"},
261 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE
265 * Sony DSC cameras (DSC-S30, DSC-S50, DSC-S70)
267 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "Sony DSC", "*"},
268 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE
272 * Maxtor 3000LE USB Drive
274 {T_DIRECT, SIP_MEDIA_FIXED, "MAXTOR*", "K040H2*", "*"},
275 /*quirks*/ DA_Q_NO_6_BYTE
279 * LaCie USB drive, among others
281 {T_DIRECT, SIP_MEDIA_FIXED, "Maxtor*", "D080H4*", "*"},
282 /*quirks*/ DA_Q_NO_6_BYTE
285 {T_OPTICAL, SIP_MEDIA_REMOVABLE, "FUJITSU", "MCF3064AP", "*"},
286 /*quirks*/ DA_Q_NO_6_BYTE
290 * Microtech USB CameraMate
292 {T_DIRECT, SIP_MEDIA_REMOVABLE, "eUSB Compact*",
293 "Compact Flash*", "*"},
294 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE
298 * The vendor, product and version strings coming from the
299 * controller are null terminated instead of being padded with
300 * spaces. The trailing wildcard character '*' is required.
302 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SMSC*", "USB FDC*","*"},
303 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE
307 * Olympus digital cameras (C-3040ZOOM, C-2040ZOOM, C-1)
309 {T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "C-*", "*"},
310 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE
314 * Olympus digital cameras (D-370)
316 {T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "D-*", "*"},
317 /*quirks*/ DA_Q_NO_6_BYTE
321 * Olympus digital cameras (E-100RS, E-10).
323 {T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "E-*", "*"},
324 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE
328 * KingByte Pen Drives
330 {T_DIRECT, SIP_MEDIA_REMOVABLE, "NO BRAND", "PEN DRIVE", "*"},
331 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE
337 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FUJIFILMUSB-DRIVEUNIT",
338 "USB-DRIVEUNIT", "*"},
339 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE
343 * Nikon Coolpix E775/E995 Cameras
345 {T_DIRECT, SIP_MEDIA_REMOVABLE, "NIKON", "NIKON DSC E*", "*"},
346 /*quirks*/ DA_Q_NO_6_BYTE
350 * Nikon Coolpix E885 Camera
352 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Nikon", "Digital Camera", "*"},
353 /*quirks*/ DA_Q_NO_6_BYTE
357 * SimpleTech FlashLink UCF-100
359 {T_DIRECT, SIP_MEDIA_REMOVABLE, "OEI-USB", "CompactFlash", "*"},
360 /*quirks*/ DA_Q_NO_6_BYTE
364 * Minolta Dimage 2330
366 {T_DIRECT, SIP_MEDIA_REMOVABLE, "MINOLTA", "DIMAGE 2330*", "*"},
367 /*quirks*/ DA_Q_NO_6_BYTE
371 * Minolta Dimage E203
373 {T_DIRECT, SIP_MEDIA_REMOVABLE, "MINOLTA", "DiMAGE E203", "*"},
374 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE
378 * DIVA USB Mp3 Player.
381 {T_DIRECT, SIP_MEDIA_REMOVABLE, "DIVA USB", "Media Reader","*"},
382 /*quirks*/ DA_Q_NO_6_BYTE
386 * Daisy Technology PhotoClip USB Camera
388 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Digital", "World DMC","*"},
389 /*quirks*/ DA_Q_NO_6_BYTE
396 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Apacer", "HandyDrive", "*"},
397 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE
401 * Daisy Technology PhotoClip on Zoran chip
404 {T_DIRECT, SIP_MEDIA_REMOVABLE, "ZORAN", "COACH", "*"},
405 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE
409 * HP 315 Digital Camera
412 {T_DIRECT, SIP_MEDIA_REMOVABLE, "HP", "USB CAMERA", "*"},
413 /*quirks*/ DA_Q_NO_6_BYTE
417 * Fujitsu-Siemens Memorybird pen drive
420 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Fujitsu", "Memorybird", "*"},
421 /*quirks*/ DA_Q_NO_6_BYTE
425 * Sony USB Key-Storage
428 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "Storage Media", "*"},
429 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE
433 * Lexar Media Jumpdrive
436 {T_DIRECT, SIP_MEDIA_REMOVABLE, "LEXAR", "DIGITAL FILM", "*"},
437 /*quirks*/ DA_Q_NO_6_BYTE
441 * Pentax USB Optio 230 camera
444 {T_DIRECT, SIP_MEDIA_REMOVABLE,
445 "PENTAX", "DIGITAL_CAMERA", "*"},
446 /*quirks*/ DA_Q_NO_6_BYTE
450 * Casio QV-R3 USB camera (uses Pentax chip as above)
453 {T_DIRECT, SIP_MEDIA_REMOVABLE,
454 "CASIO", "DIGITAL_CAMERA", "*"},
455 /*quirks*/ DA_Q_NO_6_BYTE
459 * M-Systems DiskOnKey USB flash key
462 {T_DIRECT, SIP_MEDIA_REMOVABLE, "M-Sys", "DiskOnKey", "*"},
463 /*quirks*/ DA_Q_NO_6_BYTE
467 * SanDisk ImageMate (I, II, ...) compact flash
470 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SanDisk", "ImageMate*", "*"},
471 /*quirks*/ DA_Q_NO_6_BYTE
475 * Feiya "slider" dual-slot flash reader. The vendor field
476 * is blank so this may match other devices.
479 {T_DIRECT, SIP_MEDIA_REMOVABLE, "", "USB CARD READER", "*"},
480 /*quirks*/ DA_Q_NO_6_BYTE
484 * SmartDisk (Mitsumi) USB floppy drive
487 {T_DIRECT, SIP_MEDIA_REMOVABLE, "MITSUMI", "USB FDD", "*"},
488 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE
495 {T_DIRECT, SIP_MEDIA_REMOVABLE, "OTi", "Flash Disk", "*"},
496 /*quirks*/ DA_Q_NO_6_BYTE
500 static d_open_t daopen;
501 static d_close_t daclose;
502 static d_strategy_t dastrategy;
503 static d_ioctl_t daioctl;
504 static d_dump_t dadump;
505 static periph_init_t dainit;
506 static void daasync(void *callback_arg, u_int32_t code,
507 struct cam_path *path, void *arg);
508 static periph_ctor_t daregister;
509 static periph_dtor_t dacleanup;
510 static periph_start_t dastart;
511 static periph_oninv_t daoninvalidate;
512 static void dadone(struct cam_periph *periph,
513 union ccb *done_ccb);
514 static int daerror(union ccb *ccb, u_int32_t cam_flags,
515 u_int32_t sense_flags);
516 static void daprevent(struct cam_periph *periph, int action);
517 static void dasetgeom(struct cam_periph *periph,
518 struct scsi_read_capacity_data * rdcap);
519 static timeout_t dasendorderedtag;
520 static void dashutdown(void *arg, int howto);
522 #ifndef DA_DEFAULT_TIMEOUT
523 #define DA_DEFAULT_TIMEOUT 60 /* Timeout in seconds */
526 #ifndef DA_DEFAULT_RETRY
527 #define DA_DEFAULT_RETRY 4
530 static int da_retry_count = DA_DEFAULT_RETRY;
531 static int da_default_timeout = DA_DEFAULT_TIMEOUT;
532 static int da_no_6_byte = 0;
534 SYSCTL_NODE(_kern, OID_AUTO, cam, CTLFLAG_RD, 0, "CAM Subsystem");
535 SYSCTL_NODE(_kern_cam, OID_AUTO, da, CTLFLAG_RD, 0,
536 "CAM Direct Access Disk driver");
537 SYSCTL_INT(_kern_cam_da, OID_AUTO, retry_count, CTLFLAG_RW,
538 &da_retry_count, 0, "Normal I/O retry count");
539 SYSCTL_INT(_kern_cam_da, OID_AUTO, default_timeout, CTLFLAG_RW,
540 &da_default_timeout, 0, "Normal I/O timeout (in seconds)");
541 SYSCTL_INT(_kern_cam_da, OID_AUTO, no_6_byte, CTLFLAG_RW,
542 &da_no_6_byte, 0, "No 6 bytes commands");
545 * DA_ORDEREDTAG_INTERVAL determines how often, relative
546 * to the default timeout, we check to see whether an ordered
547 * tagged transaction is appropriate to prevent simple tag
548 * starvation. Since we'd like to ensure that there is at least
549 * 1/2 of the timeout length left for a starved transaction to
550 * complete after we've sent an ordered tag, we must poll at least
551 * four times in every timeout period. This takes care of the worst
552 * case where a starved transaction starts during an interval that
553 * meets the requirement "don't send an ordered tag" test so it takes
554 * us two intervals to determine that a tag must be sent.
556 #ifndef DA_ORDEREDTAG_INTERVAL
557 #define DA_ORDEREDTAG_INTERVAL 4
560 static struct periph_driver dadriver =
563 TAILQ_HEAD_INITIALIZER(dadriver.units), /* generation */ 0
566 DATA_SET(periphdriver_set, dadriver);
568 /* For 2.2-stable support */
573 static struct cdevsw da_cdevsw = {
575 /* maj */ DA_CDEV_MAJOR,
583 /* write */ physwrite,
587 /* strategy */ dastrategy,
592 static struct cdevsw dadisk_cdevsw;
594 static SLIST_HEAD(,da_softc) softc_list;
595 static struct extend_array *daperiphs;
598 daopen(dev_t dev, int flags, int fmt, struct thread *td)
600 struct cam_periph *periph;
601 struct da_softc *softc;
602 struct disklabel *label;
610 periph = cam_extend_get(daperiphs, unit);
614 softc = (struct da_softc *)periph->softc;
616 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE,
617 ("daopen: dev=%s (unit %d , partition %d)\n", devtoname(dev),
620 if ((error = cam_periph_lock(periph, PCATCH)) != 0) {
621 return (error); /* error code from tsleep */
624 if (cam_periph_acquire(periph) != CAM_REQ_CMP)
626 softc->flags |= DA_FLAG_OPEN;
629 if ((softc->flags & DA_FLAG_PACK_INVALID) != 0) {
630 /* Invalidate our pack information. */
631 disk_invalidate(&softc->disk);
632 softc->flags &= ~DA_FLAG_PACK_INVALID;
636 /* Do a read capacity */
638 struct scsi_read_capacity_data *rcap;
641 rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcap),
645 ccb = cam_periph_getccb(periph, /*priority*/1);
646 scsi_read_capacity(&ccb->csio,
653 ccb->ccb_h.ccb_bp = NULL;
655 error = cam_periph_runccb(ccb, daerror, /*cam_flags*/0,
656 /*sense_flags*/SF_RETRY_UA |
658 &softc->device_stats);
660 xpt_release_ccb(ccb);
663 dasetgeom(periph, rcap);
670 struct ccb_getdev cgd;
672 /* Build label for whole disk. */
673 label = &softc->disk.d_label;
674 bzero(label, sizeof(*label));
675 label->d_type = DTYPE_SCSI;
678 * Grab the inquiry data to get the vendor and product names.
679 * Put them in the typename and packname for the label.
681 xpt_setup_ccb(&cgd.ccb_h, periph->path, /*priority*/ 1);
682 cgd.ccb_h.func_code = XPT_GDEV_TYPE;
683 xpt_action((union ccb *)&cgd);
685 strncpy(label->d_typename, cgd.inq_data.vendor,
686 min(SID_VENDOR_SIZE, sizeof(label->d_typename)));
687 strncpy(label->d_packname, cgd.inq_data.product,
688 min(SID_PRODUCT_SIZE, sizeof(label->d_packname)));
690 label->d_secsize = softc->params.secsize;
691 label->d_nsectors = softc->params.secs_per_track;
692 label->d_ntracks = softc->params.heads;
693 label->d_ncylinders = softc->params.cylinders;
694 label->d_secpercyl = softc->params.heads
695 * softc->params.secs_per_track;
696 label->d_secperunit = softc->params.sectors;
698 if (((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0)) {
699 daprevent(periph, PR_PREVENT);
703 * Check to see whether or not the blocksize is set yet.
704 * If it isn't, set it and then clear the blocksize
705 * unavailable flag for the device statistics.
707 if ((softc->device_stats.flags & DEVSTAT_BS_UNAVAILABLE) != 0){
708 softc->device_stats.block_size = softc->params.secsize;
709 softc->device_stats.flags &= ~DEVSTAT_BS_UNAVAILABLE;
714 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0) {
715 daprevent(periph, PR_ALLOW);
717 softc->flags &= ~DA_FLAG_OPEN;
718 cam_periph_release(periph);
720 cam_periph_unlock(periph);
725 daclose(dev_t dev, int flag, int fmt, struct thread *td)
727 struct cam_periph *periph;
728 struct da_softc *softc;
733 periph = cam_extend_get(daperiphs, unit);
737 softc = (struct da_softc *)periph->softc;
739 if ((error = cam_periph_lock(periph, 0)) != 0) {
740 return (error); /* error code from tsleep */
743 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) {
746 ccb = cam_periph_getccb(periph, /*priority*/1);
748 scsi_synchronize_cache(&ccb->csio,
752 /*begin_lba*/0,/* Cover the whole disk */
757 cam_periph_runccb(ccb, /*error_routine*/NULL, /*cam_flags*/0,
758 /*sense_flags*/SF_RETRY_UA,
759 &softc->device_stats);
761 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
762 if ((ccb->ccb_h.status & CAM_STATUS_MASK) ==
763 CAM_SCSI_STATUS_ERROR) {
765 int sense_key, error_code;
767 scsi_extract_sense(&ccb->csio.sense_data,
771 if (sense_key != SSD_KEY_ILLEGAL_REQUEST)
772 scsi_sense_print(&ccb->csio);
774 xpt_print_path(periph->path);
775 printf("Synchronize cache failed, status "
776 "== 0x%x, scsi status == 0x%x\n",
777 ccb->csio.ccb_h.status,
778 ccb->csio.scsi_status);
782 if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
783 cam_release_devq(ccb->ccb_h.path,
789 xpt_release_ccb(ccb);
793 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0) {
794 daprevent(periph, PR_ALLOW);
796 * If we've got removeable media, mark the blocksize as
797 * unavailable, since it could change when new media is
800 softc->device_stats.flags |= DEVSTAT_BS_UNAVAILABLE;
803 softc->flags &= ~DA_FLAG_OPEN;
804 cam_periph_unlock(periph);
805 cam_periph_release(periph);
810 * Actually translate the requested transfer into one the physical driver
811 * can understand. The transfer is described by a buf and will include
812 * only one physical transfer.
815 dastrategy(struct buf *bp)
817 struct cam_periph *periph;
818 struct da_softc *softc;
823 unit = dkunit(bp->b_dev);
824 part = dkpart(bp->b_dev);
825 periph = cam_extend_get(daperiphs, unit);
826 if (periph == NULL) {
830 softc = (struct da_softc *)periph->softc;
833 * check it's not too big a transfer for our adapter
835 scsi_minphys(bp,&sd_switch);
839 * Mask interrupts so that the pack cannot be invalidated until
840 * after we are in the queue. Otherwise, we might not properly
841 * clean up one of the buffers.
846 * If the device has been made invalid, error out
848 if ((softc->flags & DA_FLAG_PACK_INVALID)) {
855 * Place it in the queue of disk activities for this disk
857 bufqdisksort(&softc->buf_queue, bp);
862 * Schedule ourselves for performing the work.
864 xpt_schedule(periph, /* XXX priority */1);
868 bp->b_flags |= B_ERROR;
871 * Correctly set the buf to indicate a completed xfer
873 bp->b_resid = bp->b_bcount;
878 /* For 2.2-stable support */
884 daioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, struct thread *td)
886 struct cam_periph *periph;
887 struct da_softc *softc;
892 periph = cam_extend_get(daperiphs, unit);
896 softc = (struct da_softc *)periph->softc;
898 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("daioctl\n"));
900 if ((error = cam_periph_lock(periph, PCATCH)) != 0) {
901 return (error); /* error code from tsleep */
904 error = cam_periph_ioctl(periph, cmd, addr, daerror);
906 cam_periph_unlock(periph);
914 struct cam_periph *periph;
915 struct da_softc *softc;
919 u_int num; /* number of sectors to write */
923 struct ccb_scsiio csio;
924 int dumppages = MAXDUMPPGS;
928 /* toss any characters present prior to dump */
929 while (cncheckc() != -1)
934 periph = cam_extend_get(daperiphs, unit);
935 if (periph == NULL) {
938 softc = (struct da_softc *)periph->softc;
940 if ((softc->flags & DA_FLAG_PACK_INVALID) != 0)
943 error = disk_dumpcheck(dev, &num, &blknum, &secsize);
947 addr = 0; /* starting address */
948 blkcnt = howmany(PAGE_SIZE, secsize);
953 if ((num / blkcnt) < dumppages)
954 dumppages = num / blkcnt;
956 for (i = 0; i < dumppages; ++i) {
957 vm_offset_t a = addr + (i * PAGE_SIZE);
958 if (is_physical_memory(a))
959 va = pmap_kenter_temporary(trunc_page(a), i);
961 va = pmap_kenter_temporary(trunc_page(0), i);
964 xpt_setup_ccb(&csio.ccb_h, periph->path, /*priority*/1);
965 csio.ccb_h.ccb_state = DA_CCB_DUMP;
966 scsi_read_write(&csio,
972 /*minimum_cmd_size*/ softc->minimum_cmd_size,
975 /*data_ptr*/(u_int8_t *) va,
976 /*dxfer_len*/blkcnt * secsize * dumppages,
977 /*sense_len*/SSD_FULL_SIZE,
978 DA_DEFAULT_TIMEOUT * 1000);
979 xpt_polled_action((union ccb *)&csio);
981 if ((csio.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
982 printf("Aborting dump due to I/O error.\n");
983 if ((csio.ccb_h.status & CAM_STATUS_MASK) ==
984 CAM_SCSI_STATUS_ERROR)
985 scsi_sense_print(&csio);
987 printf("status == 0x%x, scsi status == 0x%x\n",
988 csio.ccb_h.status, csio.scsi_status);
992 if (dumpstatus(addr, (off_t)num * softc->params.secsize) < 0)
995 /* update block count */
996 num -= blkcnt * dumppages;
997 blknum += blkcnt * dumppages;
998 addr += PAGE_SIZE * dumppages;
1002 * Sync the disk cache contents to the physical media.
1004 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) {
1006 xpt_setup_ccb(&csio.ccb_h, periph->path, /*priority*/1);
1007 csio.ccb_h.ccb_state = DA_CCB_DUMP;
1008 scsi_synchronize_cache(&csio,
1012 /*begin_lba*/0,/* Cover the whole disk */
1016 xpt_polled_action((union ccb *)&csio);
1018 if ((csio.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
1019 if ((csio.ccb_h.status & CAM_STATUS_MASK) ==
1020 CAM_SCSI_STATUS_ERROR) {
1022 int sense_key, error_code;
1024 scsi_extract_sense(&csio.sense_data,
1028 if (sense_key != SSD_KEY_ILLEGAL_REQUEST)
1029 scsi_sense_print(&csio);
1031 xpt_print_path(periph->path);
1032 printf("Synchronize cache failed, status "
1033 "== 0x%x, scsi status == 0x%x\n",
1034 csio.ccb_h.status, csio.scsi_status);
1045 struct cam_path *path;
1048 * Create our extend array for storing the devices we attach to.
1050 daperiphs = cam_extend_new();
1051 SLIST_INIT(&softc_list);
1052 if (daperiphs == NULL) {
1053 printf("da: Failed to alloc extend array!\n");
1058 * Install a global async callback. This callback will
1059 * receive async callbacks like "new device found".
1061 status = xpt_create_path(&path, /*periph*/NULL, CAM_XPT_PATH_ID,
1062 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD);
1064 if (status == CAM_REQ_CMP) {
1065 struct ccb_setasync csa;
1067 xpt_setup_ccb(&csa.ccb_h, path, /*priority*/5);
1068 csa.ccb_h.func_code = XPT_SASYNC_CB;
1069 csa.event_enable = AC_FOUND_DEVICE;
1070 csa.callback = daasync;
1071 csa.callback_arg = NULL;
1072 xpt_action((union ccb *)&csa);
1073 status = csa.ccb_h.status;
1074 xpt_free_path(path);
1077 if (status != CAM_REQ_CMP) {
1078 printf("da: Failed to attach master async callback "
1079 "due to status 0x%x!\n", status);
1083 * Schedule a periodic event to occasionally send an
1084 * ordered tag to a device.
1086 timeout(dasendorderedtag, NULL,
1087 (DA_DEFAULT_TIMEOUT * hz) / DA_ORDEREDTAG_INTERVAL);
1089 /* Register our shutdown event handler */
1090 if ((EVENTHANDLER_REGISTER(shutdown_post_sync, dashutdown,
1091 NULL, SHUTDOWN_PRI_DEFAULT)) == NULL)
1092 printf("dainit: shutdown event registration failed!\n");
1097 daoninvalidate(struct cam_periph *periph)
1100 struct da_softc *softc;
1102 struct ccb_setasync csa;
1104 softc = (struct da_softc *)periph->softc;
1107 * De-register any async callbacks.
1109 xpt_setup_ccb(&csa.ccb_h, periph->path,
1111 csa.ccb_h.func_code = XPT_SASYNC_CB;
1112 csa.event_enable = 0;
1113 csa.callback = daasync;
1114 csa.callback_arg = periph;
1115 xpt_action((union ccb *)&csa);
1117 softc->flags |= DA_FLAG_PACK_INVALID;
1120 * Although the oninvalidate() routines are always called at
1121 * splsoftcam, we need to be at splbio() here to keep the buffer
1122 * queue from being modified while we traverse it.
1127 * Return all queued I/O with ENXIO.
1128 * XXX Handle any transactions queued to the card
1129 * with XPT_ABORT_CCB.
1131 while ((q_bp = bufq_first(&softc->buf_queue)) != NULL){
1132 bufq_remove(&softc->buf_queue, q_bp);
1133 q_bp->b_resid = q_bp->b_bcount;
1134 q_bp->b_error = ENXIO;
1135 q_bp->b_flags |= B_ERROR;
1140 SLIST_REMOVE(&softc_list, softc, da_softc, links);
1142 xpt_print_path(periph->path);
1143 printf("lost device\n");
1147 dacleanup(struct cam_periph *periph)
1149 struct da_softc *softc;
1151 softc = (struct da_softc *)periph->softc;
1153 devstat_remove_entry(&softc->device_stats);
1154 cam_extend_release(daperiphs, periph->unit_number);
1155 xpt_print_path(periph->path);
1156 printf("removing device entry\n");
1157 if (softc->disk.d_dev) {
1158 disk_destroy(softc->disk.d_dev);
1160 free(softc, M_DEVBUF);
1164 daasync(void *callback_arg, u_int32_t code,
1165 struct cam_path *path, void *arg)
1167 struct cam_periph *periph;
1169 periph = (struct cam_periph *)callback_arg;
1171 case AC_FOUND_DEVICE:
1173 struct ccb_getdev *cgd;
1176 cgd = (struct ccb_getdev *)arg;
1178 if (SID_TYPE(&cgd->inq_data) != T_DIRECT
1179 && SID_TYPE(&cgd->inq_data) != T_RBC
1180 && SID_TYPE(&cgd->inq_data) != T_OPTICAL)
1184 * Allocate a peripheral instance for
1185 * this device and start the probe
1188 status = cam_periph_alloc(daregister, daoninvalidate,
1190 "da", CAM_PERIPH_BIO,
1191 cgd->ccb_h.path, daasync,
1192 AC_FOUND_DEVICE, cgd);
1194 if (status != CAM_REQ_CMP
1195 && status != CAM_REQ_INPROG)
1196 printf("daasync: Unable to attach to new device "
1197 "due to status 0x%x\n", status);
1203 struct da_softc *softc;
1204 struct ccb_hdr *ccbh;
1207 softc = (struct da_softc *)periph->softc;
1210 * Don't fail on the expected unit attention
1213 softc->flags |= DA_FLAG_RETRY_UA;
1214 for (ccbh = LIST_FIRST(&softc->pending_ccbs);
1215 ccbh != NULL; ccbh = LIST_NEXT(ccbh, periph_links.le))
1216 ccbh->ccb_state |= DA_CCB_RETRY_UA;
1221 cam_periph_async(periph, code, path, arg);
1227 daregister(struct cam_periph *periph, void *arg)
1230 struct da_softc *softc;
1231 struct ccb_setasync csa;
1232 struct ccb_getdev *cgd;
1235 cgd = (struct ccb_getdev *)arg;
1236 if (periph == NULL) {
1237 printf("daregister: periph was NULL!!\n");
1238 return(CAM_REQ_CMP_ERR);
1242 printf("daregister: no getdev CCB, can't register device\n");
1243 return(CAM_REQ_CMP_ERR);
1246 softc = (struct da_softc *)malloc(sizeof(*softc),M_DEVBUF,M_NOWAIT);
1248 if (softc == NULL) {
1249 printf("daregister: Unable to probe new device. "
1250 "Unable to allocate softc\n");
1251 return(CAM_REQ_CMP_ERR);
1254 bzero(softc, sizeof(*softc));
1255 LIST_INIT(&softc->pending_ccbs);
1256 softc->state = DA_STATE_PROBE;
1257 bufq_init(&softc->buf_queue);
1258 if (SID_IS_REMOVABLE(&cgd->inq_data))
1259 softc->flags |= DA_FLAG_PACK_REMOVABLE;
1260 if ((cgd->inq_data.flags & SID_CmdQue) != 0)
1261 softc->flags |= DA_FLAG_TAGGED_QUEUING;
1263 periph->softc = softc;
1265 cam_extend_set(daperiphs, periph->unit_number, periph);
1268 * See if this device has any quirks.
1270 match = cam_quirkmatch((caddr_t)&cgd->inq_data,
1271 (caddr_t)da_quirk_table,
1272 sizeof(da_quirk_table)/sizeof(*da_quirk_table),
1273 sizeof(*da_quirk_table), scsi_inquiry_match);
1276 softc->quirks = ((struct da_quirk_entry *)match)->quirks;
1278 softc->quirks = DA_Q_NONE;
1280 if (softc->quirks & DA_Q_NO_6_BYTE || SID_TYPE(&cgd->inq_data) == T_RBC)
1281 softc->minimum_cmd_size = 10;
1283 softc->minimum_cmd_size = 6;
1286 * Block our timeout handler while we
1287 * add this softc to the dev list.
1290 SLIST_INSERT_HEAD(&softc_list, softc, links);
1294 * The DA driver supports a blocksize, but
1295 * we don't know the blocksize until we do
1296 * a read capacity. So, set a flag to
1297 * indicate that the blocksize is
1298 * unavailable right now. We'll clear the
1299 * flag as soon as we've done a read capacity.
1301 devstat_add_entry(&softc->device_stats, "da",
1302 periph->unit_number, 0,
1303 DEVSTAT_BS_UNAVAILABLE,
1304 SID_TYPE(&cgd->inq_data) | DEVSTAT_TYPE_IF_SCSI,
1305 DEVSTAT_PRIORITY_DISK);
1308 * Register this media as a disk
1310 disk_create(periph->unit_number, &softc->disk, 0,
1311 &da_cdevsw, &dadisk_cdevsw);
1314 * Add async callbacks for bus reset and
1315 * bus device reset calls. I don't bother
1316 * checking if this fails as, in most cases,
1317 * the system will function just fine without
1318 * them and the only alternative would be to
1319 * not attach the device on failure.
1321 xpt_setup_ccb(&csa.ccb_h, periph->path, /*priority*/5);
1322 csa.ccb_h.func_code = XPT_SASYNC_CB;
1323 csa.event_enable = AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE;
1324 csa.callback = daasync;
1325 csa.callback_arg = periph;
1326 xpt_action((union ccb *)&csa);
1328 * Lock this peripheral until we are setup.
1329 * This first call can't block
1331 (void)cam_periph_lock(periph, 0);
1332 xpt_schedule(periph, /*priority*/5);
1334 return(CAM_REQ_CMP);
1338 dastart(struct cam_periph *periph, union ccb *start_ccb)
1340 struct da_softc *softc;
1342 softc = (struct da_softc *)periph->softc;
1345 switch (softc->state) {
1346 case DA_STATE_NORMAL:
1348 /* Pull a buffer from the queue and get going on it */
1353 * See if there is a buf with work for us to do..
1356 bp = bufq_first(&softc->buf_queue);
1357 if (periph->immediate_priority <= periph->pinfo.priority) {
1358 CAM_DEBUG_PRINT(CAM_DEBUG_SUBTRACE,
1359 ("queuing for immediate ccb\n"));
1360 start_ccb->ccb_h.ccb_state = DA_CCB_WAITING;
1361 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h,
1363 periph->immediate_priority = CAM_PRIORITY_NONE;
1365 wakeup(&periph->ccb_list);
1366 } else if (bp == NULL) {
1368 xpt_release_ccb(start_ccb);
1373 bufq_remove(&softc->buf_queue, bp);
1375 devstat_start_transaction(&softc->device_stats);
1377 if ((bp->b_flags & B_ORDERED) != 0
1378 || (softc->flags & DA_FLAG_NEED_OTAG) != 0) {
1379 softc->flags &= ~DA_FLAG_NEED_OTAG;
1380 softc->ordered_tag_count++;
1381 tag_code = MSG_ORDERED_Q_TAG;
1383 tag_code = MSG_SIMPLE_Q_TAG;
1385 if (da_no_6_byte && softc->minimum_cmd_size == 6)
1386 softc->minimum_cmd_size = 10;
1387 scsi_read_write(&start_ccb->csio,
1388 /*retries*/da_retry_count,
1391 bp->b_flags & B_READ,
1393 softc->minimum_cmd_size,
1395 bp->b_bcount / softc->params.secsize,
1398 /*sense_len*/SSD_FULL_SIZE,
1399 da_default_timeout * 1000);
1400 start_ccb->ccb_h.ccb_state = DA_CCB_BUFFER_IO;
1403 * Block out any asyncronous callbacks
1404 * while we touch the pending ccb list.
1407 LIST_INSERT_HEAD(&softc->pending_ccbs,
1408 &start_ccb->ccb_h, periph_links.le);
1411 /* We expect a unit attention from this device */
1412 if ((softc->flags & DA_FLAG_RETRY_UA) != 0) {
1413 start_ccb->ccb_h.ccb_state |= DA_CCB_RETRY_UA;
1414 softc->flags &= ~DA_FLAG_RETRY_UA;
1417 start_ccb->ccb_h.ccb_bp = bp;
1418 bp = bufq_first(&softc->buf_queue);
1421 xpt_action(start_ccb);
1425 /* Have more work to do, so ensure we stay scheduled */
1426 xpt_schedule(periph, /* XXX priority */1);
1430 case DA_STATE_PROBE:
1432 struct ccb_scsiio *csio;
1433 struct scsi_read_capacity_data *rcap;
1435 rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcap),
1439 printf("dastart: Couldn't malloc read_capacity data\n");
1440 /* da_free_periph??? */
1443 csio = &start_ccb->csio;
1444 scsi_read_capacity(csio,
1451 start_ccb->ccb_h.ccb_bp = NULL;
1452 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE;
1453 xpt_action(start_ccb);
1460 cmd6workaround(union ccb *ccb)
1462 struct scsi_rw_6 cmd6;
1463 struct scsi_rw_10 *cmd10;
1464 struct da_softc *softc;
1468 cdb = ccb->csio.cdb_io.cdb_bytes;
1470 /* Translation only possible if CDB is an array and cmd is R/W6 */
1471 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0 ||
1472 (*cdb != READ_6 && *cdb != WRITE_6))
1475 xpt_print_path(ccb->ccb_h.path);
1476 printf("READ(6)/WRITE(6) not supported, "
1477 "increasing minimum_cmd_size to 10.\n");
1478 softc = (struct da_softc *)xpt_path_periph(ccb->ccb_h.path)->softc;
1479 softc->minimum_cmd_size = 10;
1481 bcopy(cdb, &cmd6, sizeof(struct scsi_rw_6));
1482 cmd10 = (struct scsi_rw_10 *)cdb;
1483 cmd10->opcode = (cmd6.opcode == READ_6) ? READ_10 : WRITE_10;
1485 scsi_ulto4b(scsi_3btoul(cmd6.addr), cmd10->addr);
1486 cmd10->reserved = 0;
1487 scsi_ulto2b(cmd6.length, cmd10->length);
1488 cmd10->control = cmd6.control;
1489 ccb->csio.cdb_len = sizeof(*cmd10);
1491 /* Requeue request, unfreezing queue if necessary */
1492 frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0;
1493 ccb->ccb_h.status = CAM_REQUEUE_REQ;
1496 cam_release_devq(ccb->ccb_h.path,
1500 /*getcount_only*/0);
1506 dadone(struct cam_periph *periph, union ccb *done_ccb)
1508 struct da_softc *softc;
1509 struct ccb_scsiio *csio;
1511 softc = (struct da_softc *)periph->softc;
1512 csio = &done_ccb->csio;
1513 switch (csio->ccb_h.ccb_state & DA_CCB_TYPE_MASK) {
1514 case DA_CCB_BUFFER_IO:
1519 bp = (struct buf *)done_ccb->ccb_h.ccb_bp;
1520 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
1525 if ((csio->ccb_h.ccb_state & DA_CCB_RETRY_UA) != 0)
1530 /* Retry selection timeouts */
1531 sf |= SF_RETRY_SELTO;
1533 if ((error = daerror(done_ccb, 0, sf)) == ERESTART) {
1535 * A retry was scheuled, so
1545 if (error == ENXIO) {
1547 * Catastrophic error. Mark our pack as
1550 /* XXX See if this is really a media
1553 xpt_print_path(periph->path);
1554 printf("Invalidating pack\n");
1555 softc->flags |= DA_FLAG_PACK_INVALID;
1559 * return all queued I/O with EIO, so that
1560 * the client can retry these I/Os in the
1561 * proper order should it attempt to recover.
1563 while ((q_bp = bufq_first(&softc->buf_queue))
1565 bufq_remove(&softc->buf_queue, q_bp);
1566 q_bp->b_resid = q_bp->b_bcount;
1567 q_bp->b_error = EIO;
1568 q_bp->b_flags |= B_ERROR;
1572 bp->b_error = error;
1573 bp->b_resid = bp->b_bcount;
1574 bp->b_flags |= B_ERROR;
1576 bp->b_resid = csio->resid;
1578 if (bp->b_resid != 0) {
1579 /* Short transfer ??? */
1581 if (cmd6workaround(done_ccb)
1585 bp->b_flags |= B_ERROR;
1588 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
1589 cam_release_devq(done_ccb->ccb_h.path,
1593 /*getcount_only*/0);
1595 bp->b_resid = csio->resid;
1596 if (csio->resid > 0) {
1597 /* Short transfer ??? */
1598 #if 0 /* XXX most of the broken umass devices need this ad-hoc work around */
1599 if (cmd6workaround(done_ccb) == ERESTART)
1602 bp->b_flags |= B_ERROR;
1607 * Block out any asyncronous callbacks
1608 * while we touch the pending ccb list.
1611 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le);
1614 if (softc->device_stats.busy_count == 0)
1615 softc->flags |= DA_FLAG_WENT_IDLE;
1617 devstat_end_transaction_buf(&softc->device_stats, bp);
1623 struct scsi_read_capacity_data *rdcap;
1624 char announce_buf[80];
1626 rdcap = (struct scsi_read_capacity_data *)csio->data_ptr;
1628 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
1629 struct disk_params *dp;
1631 dasetgeom(periph, rdcap);
1632 dp = &softc->params;
1633 snprintf(announce_buf, sizeof(announce_buf),
1634 "%luMB (%u %u byte sectors: %dH %dS/T %dC)",
1635 (unsigned long) (((u_int64_t)dp->secsize *
1636 dp->sectors) / (1024*1024)), dp->sectors,
1637 dp->secsize, dp->heads, dp->secs_per_track,
1642 announce_buf[0] = '\0';
1645 * Retry any UNIT ATTENTION type errors. They
1646 * are expected at boot.
1648 error = daerror(done_ccb, 0, SF_RETRY_UA |
1649 SF_RETRY_SELTO | SF_NO_PRINT);
1650 if (error == ERESTART) {
1652 * A retry was scheuled, so
1656 } else if (error != 0) {
1657 struct scsi_sense_data *sense;
1659 int sense_key, error_code;
1662 struct ccb_getdev cgd;
1664 /* Don't wedge this device's queue */
1665 cam_release_devq(done_ccb->ccb_h.path,
1669 /*getcount_only*/0);
1671 status = done_ccb->ccb_h.status;
1673 xpt_setup_ccb(&cgd.ccb_h,
1674 done_ccb->ccb_h.path,
1676 cgd.ccb_h.func_code = XPT_GDEV_TYPE;
1677 xpt_action((union ccb *)&cgd);
1679 if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0)
1680 || ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0)
1681 || ((status & CAM_AUTOSNS_VALID) == 0))
1687 sense = &csio->sense_data;
1688 scsi_extract_sense(sense, &error_code,
1693 * Attach to anything that claims to be a
1694 * direct access or optical disk device,
1695 * as long as it doesn't return a "Logical
1696 * unit not supported" (0x25) error.
1698 if ((have_sense) && (asc != 0x25)
1699 && (error_code == SSD_CURRENT_ERROR))
1700 snprintf(announce_buf,
1701 sizeof(announce_buf),
1702 "Attempt to query device "
1703 "size failed: %s, %s",
1704 scsi_sense_key_text[sense_key],
1705 scsi_sense_desc(asc,ascq,
1712 xpt_print_path(periph->path);
1713 printf("got CAM status %#x\n",
1714 done_ccb->ccb_h.status);
1717 xpt_print_path(periph->path);
1718 printf("fatal error, failed"
1719 " to attach to device\n");
1722 * Free up resources.
1724 cam_periph_invalidate(periph);
1728 free(rdcap, M_TEMP);
1729 if (announce_buf[0] != '\0')
1730 xpt_announce_periph(periph, announce_buf);
1731 softc->state = DA_STATE_NORMAL;
1733 * Since our peripheral may be invalidated by an error
1734 * above or an external event, we must release our CCB
1735 * before releasing the probe lock on the peripheral.
1736 * The peripheral will only go away once the last lock
1737 * is removed, and we need it around for the CCB release
1740 xpt_release_ccb(done_ccb);
1741 cam_periph_unlock(periph);
1744 case DA_CCB_WAITING:
1746 /* Caller will release the CCB */
1747 wakeup(&done_ccb->ccb_h.cbfcnp);
1751 /* No-op. We're polling */
1756 xpt_release_ccb(done_ccb);
1760 daerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags)
1762 struct da_softc *softc;
1763 struct cam_periph *periph;
1764 int error, sense_key, error_code, asc, ascq;
1766 periph = xpt_path_periph(ccb->ccb_h.path);
1767 softc = (struct da_softc *)periph->softc;
1770 * Automatically detect devices that do not support
1771 * READ(6)/WRITE(6) and upgrade to using 10 byte cdbs.
1774 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_SCSI_STATUS_ERROR
1775 && ccb->csio.scsi_status == SCSI_STATUS_CHECK_COND) {
1776 scsi_extract_sense(&ccb->csio.sense_data,
1777 &error_code, &sense_key, &asc, &ascq);
1778 if (sense_key == SSD_KEY_ILLEGAL_REQUEST)
1779 error = cmd6workaround(ccb);
1781 if (error == ERESTART)
1786 * Until we have a better way of doing pack validation,
1787 * don't treat UAs as errors.
1789 sense_flags |= SF_RETRY_UA;
1790 return(cam_periph_error(ccb, cam_flags, sense_flags,
1791 &softc->saved_ccb));
1795 daprevent(struct cam_periph *periph, int action)
1797 struct da_softc *softc;
1801 softc = (struct da_softc *)periph->softc;
1803 if (((action == PR_ALLOW)
1804 && (softc->flags & DA_FLAG_PACK_LOCKED) == 0)
1805 || ((action == PR_PREVENT)
1806 && (softc->flags & DA_FLAG_PACK_LOCKED) != 0)) {
1810 ccb = cam_periph_getccb(periph, /*priority*/1);
1812 scsi_prevent(&ccb->csio,
1820 error = cam_periph_runccb(ccb, /*error_routine*/NULL, /*cam_flags*/0,
1821 /*sense_flags*/0, &softc->device_stats);
1824 if (action == PR_ALLOW)
1825 softc->flags &= ~DA_FLAG_PACK_LOCKED;
1827 softc->flags |= DA_FLAG_PACK_LOCKED;
1830 xpt_release_ccb(ccb);
1834 dasetgeom(struct cam_periph *periph, struct scsi_read_capacity_data * rdcap)
1836 struct ccb_calc_geometry ccg;
1837 struct da_softc *softc;
1838 struct disk_params *dp;
1840 softc = (struct da_softc *)periph->softc;
1842 dp = &softc->params;
1843 dp->secsize = scsi_4btoul(rdcap->length);
1844 dp->sectors = scsi_4btoul(rdcap->addr) + 1;
1846 * Have the controller provide us with a geometry
1847 * for this disk. The only time the geometry
1848 * matters is when we boot and the controller
1849 * is the only one knowledgeable enough to come
1850 * up with something that will make this a bootable
1853 xpt_setup_ccb(&ccg.ccb_h, periph->path, /*priority*/1);
1854 ccg.ccb_h.func_code = XPT_CALC_GEOMETRY;
1855 ccg.block_size = dp->secsize;
1856 ccg.volume_size = dp->sectors;
1858 ccg.secs_per_track = 0;
1860 xpt_action((union ccb*)&ccg);
1861 dp->heads = ccg.heads;
1862 dp->secs_per_track = ccg.secs_per_track;
1863 dp->cylinders = ccg.cylinders;
1867 dasendorderedtag(void *arg)
1869 struct da_softc *softc;
1872 for (softc = SLIST_FIRST(&softc_list);
1874 softc = SLIST_NEXT(softc, links)) {
1876 if ((softc->ordered_tag_count == 0)
1877 && ((softc->flags & DA_FLAG_WENT_IDLE) == 0)) {
1878 softc->flags |= DA_FLAG_NEED_OTAG;
1880 if (softc->device_stats.busy_count > 0)
1881 softc->flags &= ~DA_FLAG_WENT_IDLE;
1883 softc->ordered_tag_count = 0;
1886 /* Queue us up again */
1887 timeout(dasendorderedtag, NULL,
1888 (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL);
1892 * Step through all DA peripheral drivers, and if the device is still open,
1893 * sync the disk cache to physical media.
1896 dashutdown(void * arg, int howto)
1898 struct cam_periph *periph;
1899 struct da_softc *softc;
1901 for (periph = TAILQ_FIRST(&dadriver.units); periph != NULL;
1902 periph = TAILQ_NEXT(periph, unit_links)) {
1904 softc = (struct da_softc *)periph->softc;
1907 * We only sync the cache if the drive is still open, and
1908 * if the drive is capable of it..
1910 if (((softc->flags & DA_FLAG_OPEN) == 0)
1911 || (softc->quirks & DA_Q_NO_SYNC_CACHE))
1914 xpt_setup_ccb(&ccb.ccb_h, periph->path, /*priority*/1);
1916 ccb.ccb_h.ccb_state = DA_CCB_DUMP;
1917 scsi_synchronize_cache(&ccb.csio,
1921 /*begin_lba*/0, /* whole disk */
1926 xpt_polled_action(&ccb);
1928 if ((ccb.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
1929 if (((ccb.ccb_h.status & CAM_STATUS_MASK) ==
1930 CAM_SCSI_STATUS_ERROR)
1931 && (ccb.csio.scsi_status == SCSI_STATUS_CHECK_COND)){
1932 int error_code, sense_key, asc, ascq;
1934 scsi_extract_sense(&ccb.csio.sense_data,
1935 &error_code, &sense_key,
1938 if (sense_key != SSD_KEY_ILLEGAL_REQUEST)
1939 scsi_sense_print(&ccb.csio);
1941 xpt_print_path(periph->path);
1942 printf("Synchronize cache failed, status "
1943 "== 0x%x, scsi status == 0x%x\n",
1944 ccb.ccb_h.status, ccb.csio.scsi_status);
1948 if ((ccb.ccb_h.status & CAM_DEV_QFRZN) != 0)
1949 cam_release_devq(ccb.ccb_h.path,
1953 /*getcount_only*/0);
1958 #else /* !_KERNEL */
1961 * XXX This is only left out of the kernel build to silence warnings. If,
1962 * for some reason this function is used in the kernel, the ifdefs should
1963 * be moved so it is included both in the kernel and userland.
1966 scsi_format_unit(struct ccb_scsiio *csio, u_int32_t retries,
1967 void (*cbfcnp)(struct cam_periph *, union ccb *),
1968 u_int8_t tag_action, u_int8_t byte2, u_int16_t ileave,
1969 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len,
1972 struct scsi_format_unit *scsi_cmd;
1974 scsi_cmd = (struct scsi_format_unit *)&csio->cdb_io.cdb_bytes;
1975 scsi_cmd->opcode = FORMAT_UNIT;
1976 scsi_cmd->byte2 = byte2;
1977 scsi_ulto2b(ileave, scsi_cmd->interleave);
1982 /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
1991 #endif /* _KERNEL */