2 * Copyright (c) 1997 Justin T. Gibbs.
3 * Copyright (c) 1997, 1998, 1999 Kenneth D. Merry.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions, and the following disclaimer,
11 * without modification, immediately at the beginning of the file.
12 * 2. The name of the author may not be used to endorse or promote products
13 * derived from this software without specific prior written permission.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
19 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * $FreeBSD: src/sys/cam/scsi/scsi_ch.c,v 1.20.2.2 2000/10/31 08:09:49 dwmalone Exp $
28 * $DragonFly: src/sys/bus/cam/scsi/scsi_ch.c,v 1.28 2008/07/18 00:07:23 dillon Exp $
31 * Derived from the NetBSD SCSI changer driver.
33 * $NetBSD: ch.c,v 1.32 1998/01/12 09:49:12 thorpej Exp $
37 * Copyright (c) 1996, 1997 Jason R. Thorpe <thorpej@and.com>
38 * All rights reserved.
40 * Partially based on an autochanger driver written by Stefan Grefen
41 * and on an autochanger driver written by the Systems Programming Group
42 * at the University of Utah Computer Science Department.
44 * Redistribution and use in source and binary forms, with or without
45 * modification, are permitted provided that the following conditions
47 * 1. Redistributions of source code must retain the above copyright
48 * notice, this list of conditions and the following disclaimer.
49 * 2. Redistributions in binary form must reproduce the above copyright
50 * notice, this list of conditions and the following disclaimer in the
51 * documentation and/or other materials provided with the distribution.
52 * 3. All advertising materials mentioning features or use of this software
53 * must display the following acknowledgements:
54 * This product includes software developed by Jason R. Thorpe
55 * for And Communications, http://www.and.com/
56 * 4. The name of the author may not be used to endorse or promote products
57 * derived from this software without specific prior written permission.
59 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
60 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
61 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
62 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
63 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
64 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
65 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
66 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
67 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
68 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
72 #include <sys/param.h>
73 #include <sys/queue.h>
74 #include <sys/systm.h>
75 #include <sys/kernel.h>
76 #include <sys/types.h>
77 #include <sys/malloc.h>
78 #include <sys/fcntl.h>
82 #include <sys/errno.h>
83 #include <sys/devicestat.h>
84 #include <sys/thread2.h>
87 #include "../cam_ccb.h"
88 #include "../cam_extend.h"
89 #include "../cam_periph.h"
90 #include "../cam_xpt_periph.h"
91 #include "../cam_queue.h"
92 #include "../cam_debug.h"
95 #include "scsi_message.h"
99 * Timeout definitions for various changer related commands. They may
100 * be too short for some devices (especially the timeout for INITIALIZE
104 static const u_int32_t CH_TIMEOUT_MODE_SENSE
= 6000;
105 static const u_int32_t CH_TIMEOUT_MOVE_MEDIUM
= 100000;
106 static const u_int32_t CH_TIMEOUT_EXCHANGE_MEDIUM
= 100000;
107 static const u_int32_t CH_TIMEOUT_POSITION_TO_ELEMENT
= 100000;
108 static const u_int32_t CH_TIMEOUT_READ_ELEMENT_STATUS
= 10000;
109 static const u_int32_t CH_TIMEOUT_SEND_VOLTAG
= 10000;
110 static const u_int32_t CH_TIMEOUT_INITIALIZE_ELEMENT_STATUS
= 500000;
113 CH_FLAG_INVALID
= 0x001,
132 #define ccb_state ppriv_field0
133 #define ccb_bio ppriv_ptr1
135 struct scsi_mode_sense_data
{
136 struct scsi_mode_header_6 header
;
137 struct scsi_mode_blk_desc blk_desc
;
139 struct page_element_address_assignment ea
;
140 struct page_transport_geometry_parameters tg
;
141 struct page_device_capabilities cap
;
150 struct devstat device_stats
;
152 int sc_picker
; /* current picker */
155 * The following information is obtained from the
156 * element address assignment page.
158 int sc_firsts
[CHET_MAX
+ 1]; /* firsts */
159 int sc_counts
[CHET_MAX
+ 1]; /* counts */
162 * The following mask defines the legal combinations
163 * of elements for the MOVE MEDIUM command.
165 u_int8_t sc_movemask
[CHET_MAX
+ 1];
168 * As above, but for EXCHANGE MEDIUM.
170 u_int8_t sc_exchangemask
[CHET_MAX
+ 1];
173 * Quirks; see below. XXX KDM not implemented yet
175 int sc_settledelay
; /* delay for settle */
178 #define CHUNIT(x) (minor((x)))
179 #define CH_CDEV_MAJOR 17
181 static d_open_t chopen
;
182 static d_close_t chclose
;
183 static d_ioctl_t chioctl
;
184 static periph_init_t chinit
;
185 static periph_ctor_t chregister
;
186 static periph_oninv_t choninvalidate
;
187 static periph_dtor_t chcleanup
;
188 static periph_start_t chstart
;
189 static void chasync(void *callback_arg
, u_int32_t code
,
190 struct cam_path
*path
, void *arg
);
191 static void chdone(struct cam_periph
*periph
,
192 union ccb
*done_ccb
);
193 static int cherror(union ccb
*ccb
, u_int32_t cam_flags
,
194 u_int32_t sense_flags
);
195 static int chmove(struct cam_periph
*periph
,
196 struct changer_move
*cm
);
197 static int chexchange(struct cam_periph
*periph
,
198 struct changer_exchange
*ce
);
199 static int chposition(struct cam_periph
*periph
,
200 struct changer_position
*cp
);
201 static int chgetelemstatus(struct cam_periph
*periph
,
202 struct changer_element_status_request
*csr
);
203 static int chsetvoltag(struct cam_periph
*periph
,
204 struct changer_set_voltag_request
*csvr
);
205 static int chielem(struct cam_periph
*periph
,
206 unsigned int timeout
);
207 static int chgetparams(struct cam_periph
*periph
);
209 static struct periph_driver chdriver
=
212 TAILQ_HEAD_INITIALIZER(chdriver
.units
), /* generation */ 0
215 PERIPHDRIVER_DECLARE(ch
, chdriver
);
217 static struct dev_ops ch_ops
= {
218 { "ch", CH_CDEV_MAJOR
, 0 },
224 static struct extend_array
*chperiphs
;
226 MALLOC_DEFINE(M_SCSICH
, "scsi_ch", "scsi_ch buffers");
234 * Create our extend array for storing the devices we attach to.
236 chperiphs
= cam_extend_new();
237 if (chperiphs
== NULL
) {
238 kprintf("ch: Failed to alloc extend array!\n");
243 * Install a global async callback. This callback will
244 * receive async callbacks like "new device found".
246 status
= xpt_register_async(AC_FOUND_DEVICE
, chasync
, NULL
, NULL
);
248 if (status
!= CAM_REQ_CMP
) {
249 kprintf("ch: Failed to attach master async callback "
250 "due to status 0x%x!\n", status
);
255 choninvalidate(struct cam_periph
*periph
)
257 struct ch_softc
*softc
;
259 softc
= (struct ch_softc
*)periph
->softc
;
262 * De-register any async callbacks.
264 xpt_register_async(0, chasync
, periph
, periph
->path
);
266 softc
->flags
|= CH_FLAG_INVALID
;
268 xpt_print(periph
->path
, "lost device\n");
273 chcleanup(struct cam_periph
*periph
)
275 struct ch_softc
*softc
;
277 softc
= (struct ch_softc
*)periph
->softc
;
279 devstat_remove_entry(&softc
->device_stats
);
280 cam_extend_release(chperiphs
, periph
->unit_number
);
281 xpt_print(periph
->path
, "removing device entry\n");
282 dev_ops_remove(&ch_ops
, -1, periph
->unit_number
);
283 kfree(softc
, M_DEVBUF
);
287 chasync(void *callback_arg
, u_int32_t code
, struct cam_path
*path
, void *arg
)
289 struct cam_periph
*periph
;
291 periph
= (struct cam_periph
*)callback_arg
;
294 case AC_FOUND_DEVICE
:
296 struct ccb_getdev
*cgd
;
299 cgd
= (struct ccb_getdev
*)arg
;
303 if (SID_TYPE(&cgd
->inq_data
)!= T_CHANGER
)
307 * Allocate a peripheral instance for
308 * this device and start the probe
311 status
= cam_periph_alloc(chregister
, choninvalidate
,
312 chcleanup
, chstart
, "ch",
313 CAM_PERIPH_BIO
, cgd
->ccb_h
.path
,
314 chasync
, AC_FOUND_DEVICE
, cgd
);
316 if (status
!= CAM_REQ_CMP
317 && status
!= CAM_REQ_INPROG
)
318 kprintf("chasync: Unable to probe new device "
319 "due to status 0x%x\n", status
);
325 cam_periph_async(periph
, code
, path
, arg
);
331 chregister(struct cam_periph
*periph
, void *arg
)
333 struct ch_softc
*softc
;
334 struct ccb_getdev
*cgd
;
336 cgd
= (struct ccb_getdev
*)arg
;
337 if (periph
== NULL
) {
338 kprintf("chregister: periph was NULL!!\n");
339 return(CAM_REQ_CMP_ERR
);
343 kprintf("chregister: no getdev CCB, can't register device\n");
344 return(CAM_REQ_CMP_ERR
);
347 softc
= kmalloc(sizeof(*softc
), M_DEVBUF
, M_INTWAIT
| M_ZERO
);
348 softc
->state
= CH_STATE_PROBE
;
349 periph
->softc
= softc
;
350 cam_extend_set(chperiphs
, periph
->unit_number
, periph
);
351 softc
->quirks
= CH_Q_NONE
;
354 * Changers don't have a blocksize, and obviously don't support
357 cam_periph_unlock(periph
);
358 devstat_add_entry(&softc
->device_stats
, "ch",
359 periph
->unit_number
, 0,
360 DEVSTAT_NO_BLOCKSIZE
| DEVSTAT_NO_ORDERED_TAGS
,
361 SID_TYPE(&cgd
->inq_data
)| DEVSTAT_TYPE_IF_SCSI
,
362 DEVSTAT_PRIORITY_OTHER
);
364 /* Register the device */
365 dev_ops_add(&ch_ops
, -1, periph
->unit_number
);
366 make_dev(&ch_ops
, periph
->unit_number
, UID_ROOT
,
367 GID_OPERATOR
, 0600, "%s%d", periph
->periph_name
,
368 periph
->unit_number
);
369 cam_periph_lock(periph
);
372 * Add an async callback so that we get
373 * notified if this device goes away.
375 xpt_register_async(AC_LOST_DEVICE
, chasync
, periph
, periph
->path
);
378 * Lock this periph until we are setup.
379 * This first call can't block
381 cam_periph_hold(periph
, 0);
382 xpt_schedule(periph
, /*priority*/5);
388 chopen(struct dev_open_args
*ap
)
390 cdev_t dev
= ap
->a_head
.a_dev
;
391 struct cam_periph
*periph
;
392 struct ch_softc
*softc
;
396 periph
= cam_extend_get(chperiphs
, unit
);
398 if (cam_periph_acquire(periph
) != CAM_REQ_CMP
)
401 softc
= (struct ch_softc
*)periph
->softc
;
403 cam_periph_lock(periph
);
405 if (softc
->flags
& CH_FLAG_INVALID
) {
406 cam_periph_unlock(periph
);
407 cam_periph_release(periph
);
411 if ((softc
->flags
& CH_FLAG_OPEN
) == 0)
412 softc
->flags
|= CH_FLAG_OPEN
;
414 cam_periph_release(periph
);
416 if ((error
= cam_periph_hold(periph
, PCATCH
)) != 0) {
417 cam_periph_unlock(periph
);
418 cam_periph_release(periph
);
423 * Load information about this changer device into the softc.
425 if ((error
= chgetparams(periph
)) != 0) {
426 softc
->flags
&= ~CH_FLAG_OPEN
;
427 cam_periph_unhold(periph
, 1);
428 cam_periph_release(periph
);
430 cam_periph_unhold(periph
, 1);
437 chclose(struct dev_close_args
*ap
)
439 cdev_t dev
= ap
->a_head
.a_dev
;
440 struct cam_periph
*periph
;
441 struct ch_softc
*softc
;
447 periph
= cam_extend_get(chperiphs
, unit
);
451 softc
= (struct ch_softc
*)periph
->softc
;
453 cam_periph_lock(periph
);
455 softc
->flags
&= ~CH_FLAG_OPEN
;
457 cam_periph_unlock(periph
);
458 cam_periph_release(periph
);
464 chstart(struct cam_periph
*periph
, union ccb
*start_ccb
)
466 struct ch_softc
*softc
;
468 softc
= (struct ch_softc
*)periph
->softc
;
470 switch (softc
->state
) {
471 case CH_STATE_NORMAL
:
473 if (periph
->immediate_priority
<= periph
->pinfo
.priority
){
474 start_ccb
->ccb_h
.ccb_state
= CH_CCB_WAITING
;
476 SLIST_INSERT_HEAD(&periph
->ccb_list
, &start_ccb
->ccb_h
,
478 periph
->immediate_priority
= CAM_PRIORITY_NONE
;
479 wakeup(&periph
->ccb_list
);
489 * Include the block descriptor when calculating the mode
492 mode_buffer_len
= sizeof(struct scsi_mode_header_6
) +
493 sizeof(struct scsi_mode_blk_desc
) +
494 sizeof(struct page_element_address_assignment
);
496 mode_buffer
= kmalloc(mode_buffer_len
, M_SCSICH
, M_INTWAIT
| M_ZERO
);
498 * Get the element address assignment page.
500 scsi_mode_sense(&start_ccb
->csio
,
503 /* tag_action */ MSG_SIMPLE_Q_TAG
,
504 /* dbd */ (softc
->quirks
& CH_Q_NO_DBD
) ?
506 /* page_code */ SMS_PAGE_CTRL_CURRENT
,
507 /* page */ CH_ELEMENT_ADDR_ASSIGN_PAGE
,
508 /* param_buf */ (u_int8_t
*)mode_buffer
,
509 /* param_len */ mode_buffer_len
,
510 /* sense_len */ SSD_FULL_SIZE
,
511 /* timeout */ CH_TIMEOUT_MODE_SENSE
);
513 start_ccb
->ccb_h
.ccb_bio
= NULL
;
514 start_ccb
->ccb_h
.ccb_state
= CH_CCB_PROBE
;
515 xpt_action(start_ccb
);
522 chdone(struct cam_periph
*periph
, union ccb
*done_ccb
)
524 struct ch_softc
*softc
;
525 struct ccb_scsiio
*csio
;
527 softc
= (struct ch_softc
*)periph
->softc
;
528 csio
= &done_ccb
->csio
;
530 switch(done_ccb
->ccb_h
.ccb_state
) {
533 struct scsi_mode_header_6
*mode_header
;
534 struct page_element_address_assignment
*ea
;
535 char announce_buf
[80];
538 mode_header
= (struct scsi_mode_header_6
*)csio
->data_ptr
;
540 ea
= (struct page_element_address_assignment
*)
541 find_mode_page_6(mode_header
);
543 if ((done_ccb
->ccb_h
.status
& CAM_STATUS_MASK
) == CAM_REQ_CMP
){
545 softc
->sc_firsts
[CHET_MT
] = scsi_2btoul(ea
->mtea
);
546 softc
->sc_counts
[CHET_MT
] = scsi_2btoul(ea
->nmte
);
547 softc
->sc_firsts
[CHET_ST
] = scsi_2btoul(ea
->fsea
);
548 softc
->sc_counts
[CHET_ST
] = scsi_2btoul(ea
->nse
);
549 softc
->sc_firsts
[CHET_IE
] = scsi_2btoul(ea
->fieea
);
550 softc
->sc_counts
[CHET_IE
] = scsi_2btoul(ea
->niee
);
551 softc
->sc_firsts
[CHET_DT
] = scsi_2btoul(ea
->fdtea
);
552 softc
->sc_counts
[CHET_DT
] = scsi_2btoul(ea
->ndte
);
553 softc
->sc_picker
= softc
->sc_firsts
[CHET_MT
];
555 #define PLURAL(c) (c) == 1 ? "" : "s"
556 ksnprintf(announce_buf
, sizeof(announce_buf
),
557 "%d slot%s, %d drive%s, "
558 "%d picker%s, %d portal%s",
559 softc
->sc_counts
[CHET_ST
],
560 PLURAL(softc
->sc_counts
[CHET_ST
]),
561 softc
->sc_counts
[CHET_DT
],
562 PLURAL(softc
->sc_counts
[CHET_DT
]),
563 softc
->sc_counts
[CHET_MT
],
564 PLURAL(softc
->sc_counts
[CHET_MT
]),
565 softc
->sc_counts
[CHET_IE
],
566 PLURAL(softc
->sc_counts
[CHET_IE
]));
571 error
= cherror(done_ccb
, CAM_RETRY_SELTO
,
572 SF_RETRY_UA
| SF_NO_PRINT
);
574 * Retry any UNIT ATTENTION type errors. They
575 * are expected at boot.
577 if (error
== ERESTART
) {
579 * A retry was scheuled, so
583 } else if (error
!= 0) {
585 struct scsi_mode_sense_6
*sms
;
587 sms
= (struct scsi_mode_sense_6
*)
588 done_ccb
->csio
.cdb_io
.cdb_bytes
;
591 * Check to see if block descriptors were
592 * disabled. Some devices don't like that.
593 * We're taking advantage of the fact that
594 * the first few bytes of the 6 and 10 byte
595 * mode sense commands are the same. If
596 * block descriptors were disabled, enable
597 * them and re-send the command.
599 if (sms
->byte2
& SMS_DBD
) {
600 sms
->byte2
&= ~SMS_DBD
;
601 xpt_action(done_ccb
);
602 softc
->quirks
|= CH_Q_NO_DBD
;
607 /* Don't wedge this device's queue */
608 cam_release_devq(done_ccb
->ccb_h
.path
,
617 if ((done_ccb
->ccb_h
.status
& CAM_STATUS_MASK
)
618 == CAM_SCSI_STATUS_ERROR
)
619 scsi_sense_print(&done_ccb
->csio
);
621 xpt_print(periph
->path
,
622 "got CAM status %#x\n",
623 done_ccb
->ccb_h
.status
);
625 xpt_print(periph
->path
, "fatal error, failed "
626 "to attach to device\n");
628 cam_periph_invalidate(periph
);
630 announce_buf
[0] = '\0';
633 if (announce_buf
[0] != '\0')
634 xpt_announce_periph(periph
, announce_buf
);
635 softc
->state
= CH_STATE_NORMAL
;
636 kfree(mode_header
, M_SCSICH
);
638 * Since our peripheral may be invalidated by an error
639 * above or an external event, we must release our CCB
640 * before releasing the probe lock on the peripheral.
641 * The peripheral will only go away once the last lock
642 * is removed, and we need it around for the CCB release
645 xpt_release_ccb(done_ccb
);
646 cam_periph_unhold(periph
, 0);
651 /* Caller will release the CCB */
652 wakeup(&done_ccb
->ccb_h
.cbfcnp
);
658 xpt_release_ccb(done_ccb
);
662 cherror(union ccb
*ccb
, u_int32_t cam_flags
, u_int32_t sense_flags
)
664 struct ch_softc
*softc
;
665 struct cam_periph
*periph
;
667 periph
= xpt_path_periph(ccb
->ccb_h
.path
);
668 softc
= (struct ch_softc
*)periph
->softc
;
670 return (cam_periph_error(ccb
, cam_flags
, sense_flags
,
675 chioctl(struct dev_ioctl_args
*ap
)
677 cdev_t dev
= ap
->a_head
.a_dev
;
678 caddr_t addr
= ap
->a_data
;
679 int flag
= ap
->a_fflag
;
680 struct cam_periph
*periph
;
681 struct ch_softc
*softc
;
687 periph
= cam_extend_get(chperiphs
, unit
);
691 cam_periph_lock(periph
);
692 CAM_DEBUG(periph
->path
, CAM_DEBUG_TRACE
, ("entering chioctl\n"));
694 softc
= (struct ch_softc
*)periph
->softc
;
698 CAM_DEBUG(periph
->path
, CAM_DEBUG_TRACE
,
699 ("trying to do ioctl %#lx\n", ap
->a_cmd
));
702 * If this command can change the device's state, we must
703 * have the device open for writing.
712 if ((flag
& FWRITE
) == 0) {
713 cam_periph_unlock(periph
);
720 error
= chmove(periph
, (struct changer_move
*)addr
);
724 error
= chexchange(periph
, (struct changer_exchange
*)addr
);
728 error
= chposition(periph
, (struct changer_position
*)addr
);
732 *(int *)addr
= softc
->sc_picker
- softc
->sc_firsts
[CHET_MT
];
737 int new_picker
= *(int *)addr
;
739 if (new_picker
> (softc
->sc_counts
[CHET_MT
] - 1)) {
743 softc
->sc_picker
= softc
->sc_firsts
[CHET_MT
] + new_picker
;
748 struct changer_params
*cp
= (struct changer_params
*)addr
;
750 cp
->cp_npickers
= softc
->sc_counts
[CHET_MT
];
751 cp
->cp_nslots
= softc
->sc_counts
[CHET_ST
];
752 cp
->cp_nportals
= softc
->sc_counts
[CHET_IE
];
753 cp
->cp_ndrives
= softc
->sc_counts
[CHET_DT
];
757 error
= chielem(periph
, *(unsigned int *)addr
);
762 error
= chgetelemstatus(periph
,
763 (struct changer_element_status_request
*) addr
);
769 error
= chsetvoltag(periph
,
770 (struct changer_set_voltag_request
*) addr
);
774 /* Implement prevent/allow? */
777 error
= cam_periph_ioctl(periph
, ap
->a_cmd
, addr
, cherror
);
781 cam_periph_unlock(periph
);
786 chmove(struct cam_periph
*periph
, struct changer_move
*cm
)
788 struct ch_softc
*softc
;
789 u_int16_t fromelem
, toelem
;
794 softc
= (struct ch_softc
*)periph
->softc
;
799 if ((cm
->cm_fromtype
> CHET_DT
) || (cm
->cm_totype
> CHET_DT
))
801 if ((cm
->cm_fromunit
> (softc
->sc_counts
[cm
->cm_fromtype
] - 1)) ||
802 (cm
->cm_tounit
> (softc
->sc_counts
[cm
->cm_totype
] - 1)))
806 * Check the request against the changer's capabilities.
808 if ((softc
->sc_movemask
[cm
->cm_fromtype
] & (1 << cm
->cm_totype
)) == 0)
812 * Calculate the source and destination elements.
814 fromelem
= softc
->sc_firsts
[cm
->cm_fromtype
] + cm
->cm_fromunit
;
815 toelem
= softc
->sc_firsts
[cm
->cm_totype
] + cm
->cm_tounit
;
817 ccb
= cam_periph_getccb(periph
, /*priority*/ 1);
819 scsi_move_medium(&ccb
->csio
,
822 /* tag_action */ MSG_SIMPLE_Q_TAG
,
823 /* tea */ softc
->sc_picker
,
826 /* invert */ (cm
->cm_flags
& CM_INVERT
) ? TRUE
: FALSE
,
827 /* sense_len */ SSD_FULL_SIZE
,
828 /* timeout */ CH_TIMEOUT_MOVE_MEDIUM
);
830 error
= cam_periph_runccb(ccb
, cherror
, /*cam_flags*/CAM_RETRY_SELTO
,
831 /*sense_flags*/ SF_RETRY_UA
,
832 &softc
->device_stats
);
834 xpt_release_ccb(ccb
);
840 chexchange(struct cam_periph
*periph
, struct changer_exchange
*ce
)
842 struct ch_softc
*softc
;
843 u_int16_t src
, dst1
, dst2
;
848 softc
= (struct ch_softc
*)periph
->softc
;
852 if ((ce
->ce_srctype
> CHET_DT
) || (ce
->ce_fdsttype
> CHET_DT
) ||
853 (ce
->ce_sdsttype
> CHET_DT
))
855 if ((ce
->ce_srcunit
> (softc
->sc_counts
[ce
->ce_srctype
] - 1)) ||
856 (ce
->ce_fdstunit
> (softc
->sc_counts
[ce
->ce_fdsttype
] - 1)) ||
857 (ce
->ce_sdstunit
> (softc
->sc_counts
[ce
->ce_sdsttype
] - 1)))
861 * Check the request against the changer's capabilities.
863 if (((softc
->sc_exchangemask
[ce
->ce_srctype
] &
864 (1 << ce
->ce_fdsttype
)) == 0) ||
865 ((softc
->sc_exchangemask
[ce
->ce_fdsttype
] &
866 (1 << ce
->ce_sdsttype
)) == 0))
870 * Calculate the source and destination elements.
872 src
= softc
->sc_firsts
[ce
->ce_srctype
] + ce
->ce_srcunit
;
873 dst1
= softc
->sc_firsts
[ce
->ce_fdsttype
] + ce
->ce_fdstunit
;
874 dst2
= softc
->sc_firsts
[ce
->ce_sdsttype
] + ce
->ce_sdstunit
;
876 ccb
= cam_periph_getccb(periph
, /*priority*/ 1);
878 scsi_exchange_medium(&ccb
->csio
,
881 /* tag_action */ MSG_SIMPLE_Q_TAG
,
882 /* tea */ softc
->sc_picker
,
886 /* invert1 */ (ce
->ce_flags
& CE_INVERT1
) ?
888 /* invert2 */ (ce
->ce_flags
& CE_INVERT2
) ?
890 /* sense_len */ SSD_FULL_SIZE
,
891 /* timeout */ CH_TIMEOUT_EXCHANGE_MEDIUM
);
893 error
= cam_periph_runccb(ccb
, cherror
, /*cam_flags*/CAM_RETRY_SELTO
,
894 /*sense_flags*/ SF_RETRY_UA
,
895 &softc
->device_stats
);
897 xpt_release_ccb(ccb
);
903 chposition(struct cam_periph
*periph
, struct changer_position
*cp
)
905 struct ch_softc
*softc
;
911 softc
= (struct ch_softc
*)periph
->softc
;
916 if (cp
->cp_type
> CHET_DT
)
918 if (cp
->cp_unit
> (softc
->sc_counts
[cp
->cp_type
] - 1))
922 * Calculate the destination element.
924 dst
= softc
->sc_firsts
[cp
->cp_type
] + cp
->cp_unit
;
926 ccb
= cam_periph_getccb(periph
, /*priority*/ 1);
928 scsi_position_to_element(&ccb
->csio
,
931 /* tag_action */ MSG_SIMPLE_Q_TAG
,
932 /* tea */ softc
->sc_picker
,
934 /* invert */ (cp
->cp_flags
& CP_INVERT
) ?
936 /* sense_len */ SSD_FULL_SIZE
,
937 /* timeout */ CH_TIMEOUT_POSITION_TO_ELEMENT
);
939 error
= cam_periph_runccb(ccb
, cherror
, /*cam_flags*/ CAM_RETRY_SELTO
,
940 /*sense_flags*/ SF_RETRY_UA
,
941 &softc
->device_stats
);
943 xpt_release_ccb(ccb
);
949 * Copy a volume tag to a volume_tag struct, converting SCSI byte order
950 * to host native byte order in the volume serial number. The volume
951 * label as returned by the changer is transferred to user mode as
952 * nul-terminated string. Volume labels are truncated at the first
953 * space, as suggested by SCSI-2.
956 copy_voltag(struct changer_voltag
*uvoltag
, struct volume_tag
*voltag
)
959 for (i
=0; i
<CH_VOLTAG_MAXLEN
; i
++) {
960 char c
= voltag
->vif
[i
];
962 uvoltag
->cv_volid
[i
] = c
;
966 uvoltag
->cv_serial
= scsi_2btoul(voltag
->vsn
);
970 * Copy an an element status descriptor to a user-mode
971 * changer_element_status structure.
975 copy_element_status(struct ch_softc
*softc
,
977 struct read_element_status_descriptor
*desc
,
978 struct changer_element_status
*ces
)
980 u_int16_t eaddr
= scsi_2btoul(desc
->eaddr
);
983 ces
->ces_int_addr
= eaddr
;
984 /* set up logical address in element status */
985 for (et
= CHET_MT
; et
<= CHET_DT
; et
++) {
986 if ((softc
->sc_firsts
[et
] <= eaddr
)
987 && ((softc
->sc_firsts
[et
] + softc
->sc_counts
[et
])
989 ces
->ces_addr
= eaddr
- softc
->sc_firsts
[et
];
995 ces
->ces_flags
= desc
->flags1
;
997 ces
->ces_sensecode
= desc
->sense_code
;
998 ces
->ces_sensequal
= desc
->sense_qual
;
1000 if (desc
->flags2
& READ_ELEMENT_STATUS_INVERT
)
1001 ces
->ces_flags
|= CES_INVERT
;
1003 if (desc
->flags2
& READ_ELEMENT_STATUS_SVALID
) {
1005 eaddr
= scsi_2btoul(desc
->ssea
);
1007 /* convert source address to logical format */
1008 for (et
= CHET_MT
; et
<= CHET_DT
; et
++) {
1009 if ((softc
->sc_firsts
[et
] <= eaddr
)
1010 && ((softc
->sc_firsts
[et
] + softc
->sc_counts
[et
])
1012 ces
->ces_source_addr
=
1013 eaddr
- softc
->sc_firsts
[et
];
1014 ces
->ces_source_type
= et
;
1015 ces
->ces_flags
|= CES_SOURCE_VALID
;
1020 if (!(ces
->ces_flags
& CES_SOURCE_VALID
))
1021 kprintf("ch: warning: could not map element source "
1022 "address %ud to a valid element type\n",
1027 if (flags
& READ_ELEMENT_STATUS_PVOLTAG
)
1028 copy_voltag(&(ces
->ces_pvoltag
), &(desc
->pvoltag
));
1029 if (flags
& READ_ELEMENT_STATUS_AVOLTAG
)
1030 copy_voltag(&(ces
->ces_avoltag
), &(desc
->avoltag
));
1032 if (desc
->dt_scsi_flags
& READ_ELEMENT_STATUS_DT_IDVALID
) {
1033 ces
->ces_flags
|= CES_SCSIID_VALID
;
1034 ces
->ces_scsi_id
= desc
->dt_scsi_addr
;
1037 if (desc
->dt_scsi_addr
& READ_ELEMENT_STATUS_DT_LUVALID
) {
1038 ces
->ces_flags
|= CES_LUN_VALID
;
1040 desc
->dt_scsi_flags
& READ_ELEMENT_STATUS_DT_LUNMASK
;
1045 chgetelemstatus(struct cam_periph
*periph
,
1046 struct changer_element_status_request
*cesr
)
1048 struct read_element_status_header
*st_hdr
;
1049 struct read_element_status_page_header
*pg_hdr
;
1050 struct read_element_status_descriptor
*desc
;
1051 caddr_t data
= NULL
;
1052 size_t size
, desclen
;
1053 int avail
, i
, error
= 0;
1054 struct changer_element_status
*user_data
= NULL
;
1055 struct ch_softc
*softc
;
1057 int chet
= cesr
->cesr_element_type
;
1058 int want_voltags
= (cesr
->cesr_flags
& CESR_VOLTAGS
) ? 1 : 0;
1060 softc
= (struct ch_softc
*)periph
->softc
;
1062 /* perform argument checking */
1065 * Perform a range check on the cesr_element_{base,count}
1066 * request argument fields.
1068 if ((softc
->sc_counts
[chet
] - cesr
->cesr_element_base
) <= 0
1069 || (cesr
->cesr_element_base
+ cesr
->cesr_element_count
)
1070 > softc
->sc_counts
[chet
])
1074 * Request one descriptor for the given element type. This
1075 * is used to determine the size of the descriptor so that
1076 * we can allocate enough storage for all of them. We assume
1077 * that the first one can fit into 1k.
1079 cam_periph_unlock(periph
);
1080 data
= (caddr_t
)kmalloc(1024, M_DEVBUF
, M_INTWAIT
);
1082 cam_periph_lock(periph
);
1083 ccb
= cam_periph_getccb(periph
, /*priority*/ 1);
1085 scsi_read_element_status(&ccb
->csio
,
1087 /* cbfcnp */ chdone
,
1088 /* tag_action */ MSG_SIMPLE_Q_TAG
,
1089 /* voltag */ want_voltags
,
1090 /* sea */ softc
->sc_firsts
[chet
],
1092 /* data_ptr */ data
,
1093 /* dxfer_len */ 1024,
1094 /* sense_len */ SSD_FULL_SIZE
,
1095 /* timeout */ CH_TIMEOUT_READ_ELEMENT_STATUS
);
1097 error
= cam_periph_runccb(ccb
, cherror
, /*cam_flags*/ CAM_RETRY_SELTO
,
1098 /*sense_flags*/ SF_RETRY_UA
,
1099 &softc
->device_stats
);
1103 cam_periph_unlock(periph
);
1105 st_hdr
= (struct read_element_status_header
*)data
;
1106 pg_hdr
= (struct read_element_status_page_header
*)((uintptr_t)st_hdr
+
1107 sizeof(struct read_element_status_header
));
1108 desclen
= scsi_2btoul(pg_hdr
->edl
);
1110 size
= sizeof(struct read_element_status_header
) +
1111 sizeof(struct read_element_status_page_header
) +
1112 (desclen
* cesr
->cesr_element_count
);
1115 * Reallocate storage for descriptors and get them from the
1118 kfree(data
, M_DEVBUF
);
1119 data
= (caddr_t
)kmalloc(size
, M_DEVBUF
, M_INTWAIT
);
1121 cam_periph_lock(periph
);
1122 scsi_read_element_status(&ccb
->csio
,
1124 /* cbfcnp */ chdone
,
1125 /* tag_action */ MSG_SIMPLE_Q_TAG
,
1126 /* voltag */ want_voltags
,
1127 /* sea */ softc
->sc_firsts
[chet
]
1128 + cesr
->cesr_element_base
,
1129 /* count */ cesr
->cesr_element_count
,
1130 /* data_ptr */ data
,
1131 /* dxfer_len */ size
,
1132 /* sense_len */ SSD_FULL_SIZE
,
1133 /* timeout */ CH_TIMEOUT_READ_ELEMENT_STATUS
);
1135 error
= cam_periph_runccb(ccb
, cherror
, /*cam_flags*/ CAM_RETRY_SELTO
,
1136 /*sense_flags*/ SF_RETRY_UA
,
1137 &softc
->device_stats
);
1141 cam_periph_unlock(periph
);
1144 * Fill in the user status array.
1146 st_hdr
= (struct read_element_status_header
*)data
;
1147 pg_hdr
= (struct read_element_status_page_header
*)((uintptr_t)st_hdr
+
1148 sizeof(struct read_element_status_header
));
1149 avail
= scsi_2btoul(st_hdr
->count
);
1151 if (avail
!= cesr
->cesr_element_count
) {
1152 xpt_print(periph
->path
,
1153 "warning, READ ELEMENT STATUS avail != count\n");
1156 user_data
= (struct changer_element_status
*)
1157 kmalloc(avail
* sizeof(struct changer_element_status
),
1158 M_DEVBUF
, M_INTWAIT
| M_ZERO
);
1160 desc
= (struct read_element_status_descriptor
*)((uintptr_t)data
+
1161 sizeof(struct read_element_status_header
) +
1162 sizeof(struct read_element_status_page_header
));
1164 * Set up the individual element status structures
1166 for (i
= 0; i
< avail
; ++i
) {
1167 struct changer_element_status
*ces
= &(user_data
[i
]);
1169 copy_element_status(softc
, pg_hdr
->flags
, desc
, ces
);
1171 desc
= (struct read_element_status_descriptor
*)
1172 ((uintptr_t)desc
+ desclen
);
1175 /* Copy element status structures out to userspace. */
1176 error
= copyout(user_data
,
1177 cesr
->cesr_element_status
,
1178 avail
* sizeof(struct changer_element_status
));
1179 cam_periph_lock(periph
);
1182 xpt_release_ccb(ccb
);
1185 kfree(data
, M_DEVBUF
);
1186 if (user_data
!= NULL
)
1187 kfree(user_data
, M_DEVBUF
);
1193 chielem(struct cam_periph
*periph
,
1194 unsigned int timeout
)
1197 struct ch_softc
*softc
;
1201 timeout
= CH_TIMEOUT_INITIALIZE_ELEMENT_STATUS
;
1207 softc
= (struct ch_softc
*)periph
->softc
;
1209 ccb
= cam_periph_getccb(periph
, /*priority*/ 1);
1211 scsi_initialize_element_status(&ccb
->csio
,
1213 /* cbfcnp */ chdone
,
1214 /* tag_action */ MSG_SIMPLE_Q_TAG
,
1215 /* sense_len */ SSD_FULL_SIZE
,
1216 /* timeout */ timeout
);
1218 error
= cam_periph_runccb(ccb
, cherror
, /*cam_flags*/ CAM_RETRY_SELTO
,
1219 /*sense_flags*/ SF_RETRY_UA
,
1220 &softc
->device_stats
);
1222 xpt_release_ccb(ccb
);
1228 chsetvoltag(struct cam_periph
*periph
,
1229 struct changer_set_voltag_request
*csvr
)
1232 struct ch_softc
*softc
;
1235 struct scsi_send_volume_tag_parameters ssvtp
;
1240 softc
= (struct ch_softc
*)periph
->softc
;
1242 bzero(&ssvtp
, sizeof(ssvtp
));
1243 for (i
=0; i
<sizeof(ssvtp
.vitf
); i
++) {
1244 ssvtp
.vitf
[i
] = ' ';
1250 if (csvr
->csvr_type
> CHET_DT
)
1252 if (csvr
->csvr_addr
> (softc
->sc_counts
[csvr
->csvr_type
] - 1))
1255 ea
= softc
->sc_firsts
[csvr
->csvr_type
] + csvr
->csvr_addr
;
1257 if (csvr
->csvr_flags
& CSVR_ALTERNATE
) {
1258 switch (csvr
->csvr_flags
& CSVR_MODE_MASK
) {
1260 sac
= SEND_VOLUME_TAG_ASSERT_ALTERNATE
;
1262 case CSVR_MODE_REPLACE
:
1263 sac
= SEND_VOLUME_TAG_REPLACE_ALTERNATE
;
1265 case CSVR_MODE_CLEAR
:
1266 sac
= SEND_VOLUME_TAG_UNDEFINED_ALTERNATE
;
1273 switch (csvr
->csvr_flags
& CSVR_MODE_MASK
) {
1275 sac
= SEND_VOLUME_TAG_ASSERT_PRIMARY
;
1277 case CSVR_MODE_REPLACE
:
1278 sac
= SEND_VOLUME_TAG_REPLACE_PRIMARY
;
1280 case CSVR_MODE_CLEAR
:
1281 sac
= SEND_VOLUME_TAG_UNDEFINED_PRIMARY
;
1289 memcpy(ssvtp
.vitf
, csvr
->csvr_voltag
.cv_volid
,
1290 min(strlen(csvr
->csvr_voltag
.cv_volid
), sizeof(ssvtp
.vitf
)));
1291 scsi_ulto2b(csvr
->csvr_voltag
.cv_serial
, ssvtp
.minvsn
);
1293 ccb
= cam_periph_getccb(periph
, /*priority*/ 1);
1295 scsi_send_volume_tag(&ccb
->csio
,
1297 /* cbfcnp */ chdone
,
1298 /* tag_action */ MSG_SIMPLE_Q_TAG
,
1299 /* element_address */ ea
,
1300 /* send_action_code */ sac
,
1301 /* parameters */ &ssvtp
,
1302 /* sense_len */ SSD_FULL_SIZE
,
1303 /* timeout */ CH_TIMEOUT_SEND_VOLTAG
);
1305 error
= cam_periph_runccb(ccb
, cherror
, /*cam_flags*/ CAM_RETRY_SELTO
,
1306 /*sense_flags*/ SF_RETRY_UA
,
1307 &softc
->device_stats
);
1309 xpt_release_ccb(ccb
);
1316 chgetparams(struct cam_periph
*periph
)
1319 struct ch_softc
*softc
;
1321 int mode_buffer_len
;
1322 struct page_element_address_assignment
*ea
;
1323 struct page_device_capabilities
*cap
;
1324 int error
, from
, dbd
;
1325 u_int8_t
*moves
, *exchanges
;
1329 softc
= (struct ch_softc
*)periph
->softc
;
1331 ccb
= cam_periph_getccb(periph
, /*priority*/ 1);
1334 * The scsi_mode_sense_data structure is just a convenience
1335 * structure that allows us to easily calculate the worst-case
1336 * storage size of the mode sense buffer.
1338 mode_buffer_len
= sizeof(struct scsi_mode_sense_data
);
1340 mode_buffer
= kmalloc(mode_buffer_len
, M_SCSICH
, M_INTWAIT
| M_ZERO
);
1342 if (softc
->quirks
& CH_Q_NO_DBD
)
1348 * Get the element address assignment page.
1350 scsi_mode_sense(&ccb
->csio
,
1352 /* cbfcnp */ chdone
,
1353 /* tag_action */ MSG_SIMPLE_Q_TAG
,
1355 /* page_code */ SMS_PAGE_CTRL_CURRENT
,
1356 /* page */ CH_ELEMENT_ADDR_ASSIGN_PAGE
,
1357 /* param_buf */ (u_int8_t
*)mode_buffer
,
1358 /* param_len */ mode_buffer_len
,
1359 /* sense_len */ SSD_FULL_SIZE
,
1360 /* timeout */ CH_TIMEOUT_MODE_SENSE
);
1362 error
= cam_periph_runccb(ccb
, cherror
, /*cam_flags*/ CAM_RETRY_SELTO
,
1363 /* sense_flags */ SF_RETRY_UA
|SF_NO_PRINT
,
1364 &softc
->device_stats
);
1368 struct scsi_mode_sense_6
*sms
;
1370 sms
= (struct scsi_mode_sense_6
*)
1371 ccb
->csio
.cdb_io
.cdb_bytes
;
1373 sms
->byte2
&= ~SMS_DBD
;
1374 error
= cam_periph_runccb(ccb
, cherror
,
1375 /*cam_flags*/ CAM_RETRY_SELTO
,
1376 /*sense_flags*/ SF_RETRY_UA
,
1377 &softc
->device_stats
);
1380 * Since we disabled sense printing above, print
1381 * out the sense here since we got an error.
1383 scsi_sense_print(&ccb
->csio
);
1387 xpt_print(periph
->path
,
1388 "chgetparams: error getting element "
1390 xpt_release_ccb(ccb
);
1391 kfree(mode_buffer
, M_SCSICH
);
1396 ea
= (struct page_element_address_assignment
*)
1397 find_mode_page_6((struct scsi_mode_header_6
*)mode_buffer
);
1399 softc
->sc_firsts
[CHET_MT
] = scsi_2btoul(ea
->mtea
);
1400 softc
->sc_counts
[CHET_MT
] = scsi_2btoul(ea
->nmte
);
1401 softc
->sc_firsts
[CHET_ST
] = scsi_2btoul(ea
->fsea
);
1402 softc
->sc_counts
[CHET_ST
] = scsi_2btoul(ea
->nse
);
1403 softc
->sc_firsts
[CHET_IE
] = scsi_2btoul(ea
->fieea
);
1404 softc
->sc_counts
[CHET_IE
] = scsi_2btoul(ea
->niee
);
1405 softc
->sc_firsts
[CHET_DT
] = scsi_2btoul(ea
->fdtea
);
1406 softc
->sc_counts
[CHET_DT
] = scsi_2btoul(ea
->ndte
);
1408 bzero(mode_buffer
, mode_buffer_len
);
1411 * Now get the device capabilities page.
1413 scsi_mode_sense(&ccb
->csio
,
1415 /* cbfcnp */ chdone
,
1416 /* tag_action */ MSG_SIMPLE_Q_TAG
,
1418 /* page_code */ SMS_PAGE_CTRL_CURRENT
,
1419 /* page */ CH_DEVICE_CAP_PAGE
,
1420 /* param_buf */ (u_int8_t
*)mode_buffer
,
1421 /* param_len */ mode_buffer_len
,
1422 /* sense_len */ SSD_FULL_SIZE
,
1423 /* timeout */ CH_TIMEOUT_MODE_SENSE
);
1425 error
= cam_periph_runccb(ccb
, cherror
, /*cam_flags*/ CAM_RETRY_SELTO
,
1426 /* sense_flags */ SF_RETRY_UA
| SF_NO_PRINT
,
1427 &softc
->device_stats
);
1431 struct scsi_mode_sense_6
*sms
;
1433 sms
= (struct scsi_mode_sense_6
*)
1434 ccb
->csio
.cdb_io
.cdb_bytes
;
1436 sms
->byte2
&= ~SMS_DBD
;
1437 error
= cam_periph_runccb(ccb
, cherror
,
1438 /*cam_flags*/ CAM_RETRY_SELTO
,
1439 /*sense_flags*/ SF_RETRY_UA
,
1440 &softc
->device_stats
);
1443 * Since we disabled sense printing above, print
1444 * out the sense here since we got an error.
1446 scsi_sense_print(&ccb
->csio
);
1450 xpt_print(periph
->path
,
1451 "chgetparams: error getting device "
1452 "capabilities page\n");
1453 xpt_release_ccb(ccb
);
1454 kfree(mode_buffer
, M_SCSICH
);
1459 xpt_release_ccb(ccb
);
1461 cap
= (struct page_device_capabilities
*)
1462 find_mode_page_6((struct scsi_mode_header_6
*)mode_buffer
);
1464 bzero(softc
->sc_movemask
, sizeof(softc
->sc_movemask
));
1465 bzero(softc
->sc_exchangemask
, sizeof(softc
->sc_exchangemask
));
1466 moves
= cap
->move_from
;
1467 exchanges
= cap
->exchange_with
;
1468 for (from
= CHET_MT
; from
<= CHET_MAX
; ++from
) {
1469 softc
->sc_movemask
[from
] = moves
[from
];
1470 softc
->sc_exchangemask
[from
] = exchanges
[from
];
1473 kfree(mode_buffer
, M_SCSICH
);
1479 scsi_move_medium(struct ccb_scsiio
*csio
, u_int32_t retries
,
1480 void (*cbfcnp
)(struct cam_periph
*, union ccb
*),
1481 u_int8_t tag_action
, u_int32_t tea
, u_int32_t src
,
1482 u_int32_t dst
, int invert
, u_int8_t sense_len
,
1485 struct scsi_move_medium
*scsi_cmd
;
1487 scsi_cmd
= (struct scsi_move_medium
*)&csio
->cdb_io
.cdb_bytes
;
1488 bzero(scsi_cmd
, sizeof(*scsi_cmd
));
1490 scsi_cmd
->opcode
= MOVE_MEDIUM
;
1492 scsi_ulto2b(tea
, scsi_cmd
->tea
);
1493 scsi_ulto2b(src
, scsi_cmd
->src
);
1494 scsi_ulto2b(dst
, scsi_cmd
->dst
);
1497 scsi_cmd
->invert
|= MOVE_MEDIUM_INVERT
;
1502 /*flags*/ CAM_DIR_NONE
,
1512 scsi_exchange_medium(struct ccb_scsiio
*csio
, u_int32_t retries
,
1513 void (*cbfcnp
)(struct cam_periph
*, union ccb
*),
1514 u_int8_t tag_action
, u_int32_t tea
, u_int32_t src
,
1515 u_int32_t dst1
, u_int32_t dst2
, int invert1
,
1516 int invert2
, u_int8_t sense_len
, u_int32_t timeout
)
1518 struct scsi_exchange_medium
*scsi_cmd
;
1520 scsi_cmd
= (struct scsi_exchange_medium
*)&csio
->cdb_io
.cdb_bytes
;
1521 bzero(scsi_cmd
, sizeof(*scsi_cmd
));
1523 scsi_cmd
->opcode
= EXCHANGE_MEDIUM
;
1525 scsi_ulto2b(tea
, scsi_cmd
->tea
);
1526 scsi_ulto2b(src
, scsi_cmd
->src
);
1527 scsi_ulto2b(dst1
, scsi_cmd
->fdst
);
1528 scsi_ulto2b(dst2
, scsi_cmd
->sdst
);
1531 scsi_cmd
->invert
|= EXCHANGE_MEDIUM_INV1
;
1534 scsi_cmd
->invert
|= EXCHANGE_MEDIUM_INV2
;
1539 /*flags*/ CAM_DIR_NONE
,
1549 scsi_position_to_element(struct ccb_scsiio
*csio
, u_int32_t retries
,
1550 void (*cbfcnp
)(struct cam_periph
*, union ccb
*),
1551 u_int8_t tag_action
, u_int32_t tea
, u_int32_t dst
,
1552 int invert
, u_int8_t sense_len
, u_int32_t timeout
)
1554 struct scsi_position_to_element
*scsi_cmd
;
1556 scsi_cmd
= (struct scsi_position_to_element
*)&csio
->cdb_io
.cdb_bytes
;
1557 bzero(scsi_cmd
, sizeof(*scsi_cmd
));
1559 scsi_cmd
->opcode
= POSITION_TO_ELEMENT
;
1561 scsi_ulto2b(tea
, scsi_cmd
->tea
);
1562 scsi_ulto2b(dst
, scsi_cmd
->dst
);
1565 scsi_cmd
->invert
|= POSITION_TO_ELEMENT_INVERT
;
1570 /*flags*/ CAM_DIR_NONE
,
1580 scsi_read_element_status(struct ccb_scsiio
*csio
, u_int32_t retries
,
1581 void (*cbfcnp
)(struct cam_periph
*, union ccb
*),
1582 u_int8_t tag_action
, int voltag
, u_int32_t sea
,
1583 u_int32_t count
, u_int8_t
*data_ptr
,
1584 u_int32_t dxfer_len
, u_int8_t sense_len
,
1587 struct scsi_read_element_status
*scsi_cmd
;
1589 scsi_cmd
= (struct scsi_read_element_status
*)&csio
->cdb_io
.cdb_bytes
;
1590 bzero(scsi_cmd
, sizeof(*scsi_cmd
));
1592 scsi_cmd
->opcode
= READ_ELEMENT_STATUS
;
1594 scsi_ulto2b(sea
, scsi_cmd
->sea
);
1595 scsi_ulto2b(count
, scsi_cmd
->count
);
1596 scsi_ulto3b(dxfer_len
, scsi_cmd
->len
);
1599 scsi_cmd
->byte2
|= READ_ELEMENT_STATUS_VOLTAG
;
1604 /*flags*/ CAM_DIR_IN
,
1614 scsi_initialize_element_status(struct ccb_scsiio
*csio
, u_int32_t retries
,
1615 void (*cbfcnp
)(struct cam_periph
*, union ccb
*),
1616 u_int8_t tag_action
, u_int8_t sense_len
,
1619 struct scsi_initialize_element_status
*scsi_cmd
;
1621 scsi_cmd
= (struct scsi_initialize_element_status
*)
1622 &csio
->cdb_io
.cdb_bytes
;
1623 bzero(scsi_cmd
, sizeof(*scsi_cmd
));
1625 scsi_cmd
->opcode
= INITIALIZE_ELEMENT_STATUS
;
1630 /*flags*/ CAM_DIR_NONE
,
1632 /* data_ptr */ NULL
,
1640 scsi_send_volume_tag(struct ccb_scsiio
*csio
, u_int32_t retries
,
1641 void (*cbfcnp
)(struct cam_periph
*, union ccb
*),
1642 u_int8_t tag_action
,
1643 u_int16_t element_address
,
1644 u_int8_t send_action_code
,
1645 struct scsi_send_volume_tag_parameters
*parameters
,
1646 u_int8_t sense_len
, u_int32_t timeout
)
1648 struct scsi_send_volume_tag
*scsi_cmd
;
1650 scsi_cmd
= (struct scsi_send_volume_tag
*) &csio
->cdb_io
.cdb_bytes
;
1651 bzero(scsi_cmd
, sizeof(*scsi_cmd
));
1653 scsi_cmd
->opcode
= SEND_VOLUME_TAG
;
1654 scsi_ulto2b(element_address
, scsi_cmd
->ea
);
1655 scsi_cmd
->sac
= send_action_code
;
1656 scsi_ulto2b(sizeof(*parameters
), scsi_cmd
->pll
);
1661 /*flags*/ CAM_DIR_OUT
,
1663 /* data_ptr */ (u_int8_t
*) parameters
,
1664 sizeof(*parameters
),