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 1.26 2007/11/29 01:48:15 pavalos 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
;
230 struct cam_path
*path
;
233 * Create our extend array for storing the devices we attach to.
235 chperiphs
= cam_extend_new();
236 if (chperiphs
== NULL
) {
237 kprintf("ch: Failed to alloc extend array!\n");
242 * Install a global async callback. This callback will
243 * receive async callbacks like "new device found".
245 status
= xpt_create_path(&path
, /*periph*/NULL
, CAM_XPT_PATH_ID
,
246 CAM_TARGET_WILDCARD
, CAM_LUN_WILDCARD
);
248 if (status
== CAM_REQ_CMP
) {
249 struct ccb_setasync csa
;
251 xpt_setup_ccb(&csa
.ccb_h
, path
, /*priority*/5);
252 csa
.ccb_h
.func_code
= XPT_SASYNC_CB
;
253 csa
.event_enable
= AC_FOUND_DEVICE
;
254 csa
.callback
= chasync
;
255 csa
.callback_arg
= NULL
;
256 xpt_action((union ccb
*)&csa
);
257 status
= csa
.ccb_h
.status
;
261 if (status
!= CAM_REQ_CMP
) {
262 kprintf("ch: Failed to attach master async callback "
263 "due to status 0x%x!\n", status
);
268 choninvalidate(struct cam_periph
*periph
)
270 struct ch_softc
*softc
;
271 struct ccb_setasync csa
;
273 softc
= (struct ch_softc
*)periph
->softc
;
276 * De-register any async callbacks.
278 xpt_setup_ccb(&csa
.ccb_h
, periph
->path
,
280 csa
.ccb_h
.func_code
= XPT_SASYNC_CB
;
281 csa
.event_enable
= 0;
282 csa
.callback
= chasync
;
283 csa
.callback_arg
= periph
;
284 xpt_action((union ccb
*)&csa
);
286 softc
->flags
|= CH_FLAG_INVALID
;
288 xpt_print_path(periph
->path
);
289 kprintf("lost device\n");
294 chcleanup(struct cam_periph
*periph
)
296 struct ch_softc
*softc
;
298 softc
= (struct ch_softc
*)periph
->softc
;
300 devstat_remove_entry(&softc
->device_stats
);
301 cam_extend_release(chperiphs
, periph
->unit_number
);
302 xpt_print_path(periph
->path
);
303 kprintf("removing device entry\n");
304 dev_ops_remove(&ch_ops
, -1, periph
->unit_number
);
305 kfree(softc
, M_DEVBUF
);
309 chasync(void *callback_arg
, u_int32_t code
, struct cam_path
*path
, void *arg
)
311 struct cam_periph
*periph
;
313 periph
= (struct cam_periph
*)callback_arg
;
316 case AC_FOUND_DEVICE
:
318 struct ccb_getdev
*cgd
;
321 cgd
= (struct ccb_getdev
*)arg
;
325 if (SID_TYPE(&cgd
->inq_data
)!= T_CHANGER
)
329 * Allocate a peripheral instance for
330 * this device and start the probe
333 status
= cam_periph_alloc(chregister
, choninvalidate
,
334 chcleanup
, chstart
, "ch",
335 CAM_PERIPH_BIO
, cgd
->ccb_h
.path
,
336 chasync
, AC_FOUND_DEVICE
, cgd
);
338 if (status
!= CAM_REQ_CMP
339 && status
!= CAM_REQ_INPROG
)
340 kprintf("chasync: Unable to probe new device "
341 "due to status 0x%x\n", status
);
347 cam_periph_async(periph
, code
, path
, arg
);
353 chregister(struct cam_periph
*periph
, void *arg
)
355 struct ch_softc
*softc
;
356 struct ccb_setasync csa
;
357 struct ccb_getdev
*cgd
;
359 cgd
= (struct ccb_getdev
*)arg
;
360 if (periph
== NULL
) {
361 kprintf("chregister: periph was NULL!!\n");
362 return(CAM_REQ_CMP_ERR
);
366 kprintf("chregister: no getdev CCB, can't register device\n");
367 return(CAM_REQ_CMP_ERR
);
370 softc
= kmalloc(sizeof(*softc
), M_DEVBUF
, M_INTWAIT
| M_ZERO
);
371 softc
->state
= CH_STATE_PROBE
;
372 periph
->softc
= softc
;
373 cam_extend_set(chperiphs
, periph
->unit_number
, periph
);
374 softc
->quirks
= CH_Q_NONE
;
377 * Changers don't have a blocksize, and obviously don't support
380 devstat_add_entry(&softc
->device_stats
, "ch",
381 periph
->unit_number
, 0,
382 DEVSTAT_NO_BLOCKSIZE
| DEVSTAT_NO_ORDERED_TAGS
,
383 SID_TYPE(&cgd
->inq_data
)| DEVSTAT_TYPE_IF_SCSI
,
384 DEVSTAT_PRIORITY_OTHER
);
386 /* Register the device */
387 dev_ops_add(&ch_ops
, -1, periph
->unit_number
);
388 make_dev(&ch_ops
, periph
->unit_number
, UID_ROOT
,
389 GID_OPERATOR
, 0600, "%s%d", periph
->periph_name
,
390 periph
->unit_number
);
393 * Add an async callback so that we get
394 * notified if this device goes away.
396 xpt_setup_ccb(&csa
.ccb_h
, periph
->path
, /* priority */ 5);
397 csa
.ccb_h
.func_code
= XPT_SASYNC_CB
;
398 csa
.event_enable
= AC_LOST_DEVICE
;
399 csa
.callback
= chasync
;
400 csa
.callback_arg
= periph
;
401 xpt_action((union ccb
*)&csa
);
404 * Lock this peripheral until we are setup.
405 * This first call can't block
407 cam_periph_lock(periph
, 0);
408 xpt_schedule(periph
, /*priority*/5);
414 chopen(struct dev_open_args
*ap
)
416 cdev_t dev
= ap
->a_head
.a_dev
;
417 struct cam_periph
*periph
;
418 struct ch_softc
*softc
;
422 periph
= cam_extend_get(chperiphs
, unit
);
427 softc
= (struct ch_softc
*)periph
->softc
;
430 if (softc
->flags
& CH_FLAG_INVALID
) {
435 if ((error
= cam_periph_lock(periph
, PCATCH
)) != 0) {
442 if ((softc
->flags
& CH_FLAG_OPEN
) == 0) {
443 if (cam_periph_acquire(periph
) != CAM_REQ_CMP
)
445 softc
->flags
|= CH_FLAG_OPEN
;
449 * Load information about this changer device into the softc.
451 if ((error
= chgetparams(periph
)) != 0) {
452 softc
->flags
&= ~CH_FLAG_OPEN
;
453 cam_periph_unlock(periph
);
454 cam_periph_release(periph
);
458 cam_periph_unlock(periph
);
464 chclose(struct dev_close_args
*ap
)
466 cdev_t dev
= ap
->a_head
.a_dev
;
467 struct cam_periph
*periph
;
468 struct ch_softc
*softc
;
474 periph
= cam_extend_get(chperiphs
, unit
);
478 softc
= (struct ch_softc
*)periph
->softc
;
480 if ((error
= cam_periph_lock(periph
, 0)) != 0)
483 softc
->flags
&= ~CH_FLAG_OPEN
;
485 cam_periph_unlock(periph
);
486 cam_periph_release(periph
);
492 chstart(struct cam_periph
*periph
, union ccb
*start_ccb
)
494 struct ch_softc
*softc
;
496 softc
= (struct ch_softc
*)periph
->softc
;
498 switch (softc
->state
) {
499 case CH_STATE_NORMAL
:
502 if (periph
->immediate_priority
<= periph
->pinfo
.priority
){
503 start_ccb
->ccb_h
.ccb_state
= CH_CCB_WAITING
;
505 SLIST_INSERT_HEAD(&periph
->ccb_list
, &start_ccb
->ccb_h
,
507 periph
->immediate_priority
= CAM_PRIORITY_NONE
;
508 wakeup(&periph
->ccb_list
);
519 * Include the block descriptor when calculating the mode
522 mode_buffer_len
= sizeof(struct scsi_mode_header_6
) +
523 sizeof(struct scsi_mode_blk_desc
) +
524 sizeof(struct page_element_address_assignment
);
526 mode_buffer
= kmalloc(mode_buffer_len
, M_TEMP
, M_INTWAIT
| M_ZERO
);
528 * Get the element address assignment page.
530 scsi_mode_sense(&start_ccb
->csio
,
533 /* tag_action */ MSG_SIMPLE_Q_TAG
,
534 /* dbd */ (softc
->quirks
& CH_Q_NO_DBD
) ?
536 /* page_code */ SMS_PAGE_CTRL_CURRENT
,
537 /* page */ CH_ELEMENT_ADDR_ASSIGN_PAGE
,
538 /* param_buf */ (u_int8_t
*)mode_buffer
,
539 /* param_len */ mode_buffer_len
,
540 /* sense_len */ SSD_FULL_SIZE
,
541 /* timeout */ CH_TIMEOUT_MODE_SENSE
);
543 start_ccb
->ccb_h
.ccb_bio
= NULL
;
544 start_ccb
->ccb_h
.ccb_state
= CH_CCB_PROBE
;
545 xpt_action(start_ccb
);
552 chdone(struct cam_periph
*periph
, union ccb
*done_ccb
)
554 struct ch_softc
*softc
;
555 struct ccb_scsiio
*csio
;
557 softc
= (struct ch_softc
*)periph
->softc
;
558 csio
= &done_ccb
->csio
;
560 switch(done_ccb
->ccb_h
.ccb_state
) {
563 struct scsi_mode_header_6
*mode_header
;
564 struct page_element_address_assignment
*ea
;
565 char announce_buf
[80];
568 mode_header
= (struct scsi_mode_header_6
*)csio
->data_ptr
;
570 ea
= (struct page_element_address_assignment
*)
571 find_mode_page_6(mode_header
);
573 if ((done_ccb
->ccb_h
.status
& CAM_STATUS_MASK
) == CAM_REQ_CMP
){
575 softc
->sc_firsts
[CHET_MT
] = scsi_2btoul(ea
->mtea
);
576 softc
->sc_counts
[CHET_MT
] = scsi_2btoul(ea
->nmte
);
577 softc
->sc_firsts
[CHET_ST
] = scsi_2btoul(ea
->fsea
);
578 softc
->sc_counts
[CHET_ST
] = scsi_2btoul(ea
->nse
);
579 softc
->sc_firsts
[CHET_IE
] = scsi_2btoul(ea
->fieea
);
580 softc
->sc_counts
[CHET_IE
] = scsi_2btoul(ea
->niee
);
581 softc
->sc_firsts
[CHET_DT
] = scsi_2btoul(ea
->fdtea
);
582 softc
->sc_counts
[CHET_DT
] = scsi_2btoul(ea
->ndte
);
583 softc
->sc_picker
= softc
->sc_firsts
[CHET_MT
];
585 #define PLURAL(c) (c) == 1 ? "" : "s"
586 ksnprintf(announce_buf
, sizeof(announce_buf
),
587 "%d slot%s, %d drive%s, "
588 "%d picker%s, %d portal%s",
589 softc
->sc_counts
[CHET_ST
],
590 PLURAL(softc
->sc_counts
[CHET_ST
]),
591 softc
->sc_counts
[CHET_DT
],
592 PLURAL(softc
->sc_counts
[CHET_DT
]),
593 softc
->sc_counts
[CHET_MT
],
594 PLURAL(softc
->sc_counts
[CHET_MT
]),
595 softc
->sc_counts
[CHET_IE
],
596 PLURAL(softc
->sc_counts
[CHET_IE
]));
601 error
= cherror(done_ccb
, CAM_RETRY_SELTO
,
602 SF_RETRY_UA
| SF_NO_PRINT
);
604 * Retry any UNIT ATTENTION type errors. They
605 * are expected at boot.
607 if (error
== ERESTART
) {
609 * A retry was scheuled, so
613 } else if (error
!= 0) {
615 struct scsi_mode_sense_6
*sms
;
617 sms
= (struct scsi_mode_sense_6
*)
618 done_ccb
->csio
.cdb_io
.cdb_bytes
;
621 * Check to see if block descriptors were
622 * disabled. Some devices don't like that.
623 * We're taking advantage of the fact that
624 * the first few bytes of the 6 and 10 byte
625 * mode sense commands are the same. If
626 * block descriptors were disabled, enable
627 * them and re-send the command.
629 if (sms
->byte2
& SMS_DBD
) {
630 sms
->byte2
&= ~SMS_DBD
;
631 xpt_action(done_ccb
);
632 softc
->quirks
|= CH_Q_NO_DBD
;
637 /* Don't wedge this device's queue */
638 cam_release_devq(done_ccb
->ccb_h
.path
,
647 if ((done_ccb
->ccb_h
.status
& CAM_STATUS_MASK
)
648 == CAM_SCSI_STATUS_ERROR
)
649 scsi_sense_print(&done_ccb
->csio
);
651 xpt_print_path(periph
->path
);
652 kprintf("got CAM status %#x\n",
653 done_ccb
->ccb_h
.status
);
655 xpt_print_path(periph
->path
);
656 kprintf("fatal error, failed to attach to"
659 cam_periph_invalidate(periph
);
661 announce_buf
[0] = '\0';
664 if (announce_buf
[0] != '\0')
665 xpt_announce_periph(periph
, announce_buf
);
666 softc
->state
= CH_STATE_NORMAL
;
667 kfree(mode_header
, M_TEMP
);
669 * Since our peripheral may be invalidated by an error
670 * above or an external event, we must release our CCB
671 * before releasing the probe lock on the peripheral.
672 * The peripheral will only go away once the last lock
673 * is removed, and we need it around for the CCB release
676 xpt_release_ccb(done_ccb
);
677 cam_periph_unlock(periph
);
682 /* Caller will release the CCB */
683 wakeup(&done_ccb
->ccb_h
.cbfcnp
);
689 xpt_release_ccb(done_ccb
);
693 cherror(union ccb
*ccb
, u_int32_t cam_flags
, u_int32_t sense_flags
)
695 struct ch_softc
*softc
;
696 struct cam_periph
*periph
;
698 periph
= xpt_path_periph(ccb
->ccb_h
.path
);
699 softc
= (struct ch_softc
*)periph
->softc
;
701 return (cam_periph_error(ccb
, cam_flags
, sense_flags
,
706 chioctl(struct dev_ioctl_args
*ap
)
708 cdev_t dev
= ap
->a_head
.a_dev
;
709 caddr_t addr
= ap
->a_data
;
710 int flag
= ap
->a_fflag
;
711 struct cam_periph
*periph
;
712 struct ch_softc
*softc
;
718 periph
= cam_extend_get(chperiphs
, unit
);
722 CAM_DEBUG(periph
->path
, CAM_DEBUG_TRACE
, ("entering chioctl\n"));
724 softc
= (struct ch_softc
*)periph
->softc
;
728 CAM_DEBUG(periph
->path
, CAM_DEBUG_TRACE
,
729 ("trying to do ioctl %#lx\n", ap
->a_cmd
));
732 * If this command can change the device's state, we must
733 * have the device open for writing.
742 if ((flag
& FWRITE
) == 0)
748 error
= chmove(periph
, (struct changer_move
*)addr
);
752 error
= chexchange(periph
, (struct changer_exchange
*)addr
);
756 error
= chposition(periph
, (struct changer_position
*)addr
);
760 *(int *)addr
= softc
->sc_picker
- softc
->sc_firsts
[CHET_MT
];
765 int new_picker
= *(int *)addr
;
767 if (new_picker
> (softc
->sc_counts
[CHET_MT
] - 1))
769 softc
->sc_picker
= softc
->sc_firsts
[CHET_MT
] + new_picker
;
774 struct changer_params
*cp
= (struct changer_params
*)addr
;
776 cp
->cp_npickers
= softc
->sc_counts
[CHET_MT
];
777 cp
->cp_nslots
= softc
->sc_counts
[CHET_ST
];
778 cp
->cp_nportals
= softc
->sc_counts
[CHET_IE
];
779 cp
->cp_ndrives
= softc
->sc_counts
[CHET_DT
];
783 error
= chielem(periph
, *(unsigned int *)addr
);
788 error
= chgetelemstatus(periph
,
789 (struct changer_element_status_request
*) addr
);
795 error
= chsetvoltag(periph
,
796 (struct changer_set_voltag_request
*) addr
);
800 /* Implement prevent/allow? */
803 error
= cam_periph_ioctl(periph
, ap
->a_cmd
, addr
, cherror
);
811 chmove(struct cam_periph
*periph
, struct changer_move
*cm
)
813 struct ch_softc
*softc
;
814 u_int16_t fromelem
, toelem
;
819 softc
= (struct ch_softc
*)periph
->softc
;
824 if ((cm
->cm_fromtype
> CHET_DT
) || (cm
->cm_totype
> CHET_DT
))
826 if ((cm
->cm_fromunit
> (softc
->sc_counts
[cm
->cm_fromtype
] - 1)) ||
827 (cm
->cm_tounit
> (softc
->sc_counts
[cm
->cm_totype
] - 1)))
831 * Check the request against the changer's capabilities.
833 if ((softc
->sc_movemask
[cm
->cm_fromtype
] & (1 << cm
->cm_totype
)) == 0)
837 * Calculate the source and destination elements.
839 fromelem
= softc
->sc_firsts
[cm
->cm_fromtype
] + cm
->cm_fromunit
;
840 toelem
= softc
->sc_firsts
[cm
->cm_totype
] + cm
->cm_tounit
;
842 ccb
= cam_periph_getccb(periph
, /*priority*/ 1);
844 scsi_move_medium(&ccb
->csio
,
847 /* tag_action */ MSG_SIMPLE_Q_TAG
,
848 /* tea */ softc
->sc_picker
,
851 /* invert */ (cm
->cm_flags
& CM_INVERT
) ? TRUE
: FALSE
,
852 /* sense_len */ SSD_FULL_SIZE
,
853 /* timeout */ CH_TIMEOUT_MOVE_MEDIUM
);
855 error
= cam_periph_runccb(ccb
, cherror
, /*cam_flags*/CAM_RETRY_SELTO
,
856 /*sense_flags*/ SF_RETRY_UA
,
857 &softc
->device_stats
);
859 xpt_release_ccb(ccb
);
865 chexchange(struct cam_periph
*periph
, struct changer_exchange
*ce
)
867 struct ch_softc
*softc
;
868 u_int16_t src
, dst1
, dst2
;
873 softc
= (struct ch_softc
*)periph
->softc
;
877 if ((ce
->ce_srctype
> CHET_DT
) || (ce
->ce_fdsttype
> CHET_DT
) ||
878 (ce
->ce_sdsttype
> CHET_DT
))
880 if ((ce
->ce_srcunit
> (softc
->sc_counts
[ce
->ce_srctype
] - 1)) ||
881 (ce
->ce_fdstunit
> (softc
->sc_counts
[ce
->ce_fdsttype
] - 1)) ||
882 (ce
->ce_sdstunit
> (softc
->sc_counts
[ce
->ce_sdsttype
] - 1)))
886 * Check the request against the changer's capabilities.
888 if (((softc
->sc_exchangemask
[ce
->ce_srctype
] &
889 (1 << ce
->ce_fdsttype
)) == 0) ||
890 ((softc
->sc_exchangemask
[ce
->ce_fdsttype
] &
891 (1 << ce
->ce_sdsttype
)) == 0))
895 * Calculate the source and destination elements.
897 src
= softc
->sc_firsts
[ce
->ce_srctype
] + ce
->ce_srcunit
;
898 dst1
= softc
->sc_firsts
[ce
->ce_fdsttype
] + ce
->ce_fdstunit
;
899 dst2
= softc
->sc_firsts
[ce
->ce_sdsttype
] + ce
->ce_sdstunit
;
901 ccb
= cam_periph_getccb(periph
, /*priority*/ 1);
903 scsi_exchange_medium(&ccb
->csio
,
906 /* tag_action */ MSG_SIMPLE_Q_TAG
,
907 /* tea */ softc
->sc_picker
,
911 /* invert1 */ (ce
->ce_flags
& CE_INVERT1
) ?
913 /* invert2 */ (ce
->ce_flags
& CE_INVERT2
) ?
915 /* sense_len */ SSD_FULL_SIZE
,
916 /* timeout */ CH_TIMEOUT_EXCHANGE_MEDIUM
);
918 error
= cam_periph_runccb(ccb
, cherror
, /*cam_flags*/CAM_RETRY_SELTO
,
919 /*sense_flags*/ SF_RETRY_UA
,
920 &softc
->device_stats
);
922 xpt_release_ccb(ccb
);
928 chposition(struct cam_periph
*periph
, struct changer_position
*cp
)
930 struct ch_softc
*softc
;
936 softc
= (struct ch_softc
*)periph
->softc
;
941 if (cp
->cp_type
> CHET_DT
)
943 if (cp
->cp_unit
> (softc
->sc_counts
[cp
->cp_type
] - 1))
947 * Calculate the destination element.
949 dst
= softc
->sc_firsts
[cp
->cp_type
] + cp
->cp_unit
;
951 ccb
= cam_periph_getccb(periph
, /*priority*/ 1);
953 scsi_position_to_element(&ccb
->csio
,
956 /* tag_action */ MSG_SIMPLE_Q_TAG
,
957 /* tea */ softc
->sc_picker
,
959 /* invert */ (cp
->cp_flags
& CP_INVERT
) ?
961 /* sense_len */ SSD_FULL_SIZE
,
962 /* timeout */ CH_TIMEOUT_POSITION_TO_ELEMENT
);
964 error
= cam_periph_runccb(ccb
, cherror
, /*cam_flags*/ CAM_RETRY_SELTO
,
965 /*sense_flags*/ SF_RETRY_UA
,
966 &softc
->device_stats
);
968 xpt_release_ccb(ccb
);
974 * Copy a volume tag to a volume_tag struct, converting SCSI byte order
975 * to host native byte order in the volume serial number. The volume
976 * label as returned by the changer is transferred to user mode as
977 * nul-terminated string. Volume labels are truncated at the first
978 * space, as suggested by SCSI-2.
981 copy_voltag(struct changer_voltag
*uvoltag
, struct volume_tag
*voltag
)
984 for (i
=0; i
<CH_VOLTAG_MAXLEN
; i
++) {
985 char c
= voltag
->vif
[i
];
987 uvoltag
->cv_volid
[i
] = c
;
991 uvoltag
->cv_serial
= scsi_2btoul(voltag
->vsn
);
995 * Copy an an element status descriptor to a user-mode
996 * changer_element_status structure.
1000 copy_element_status(struct ch_softc
*softc
,
1002 struct read_element_status_descriptor
*desc
,
1003 struct changer_element_status
*ces
)
1005 u_int16_t eaddr
= scsi_2btoul(desc
->eaddr
);
1008 ces
->ces_int_addr
= eaddr
;
1009 /* set up logical address in element status */
1010 for (et
= CHET_MT
; et
<= CHET_DT
; et
++) {
1011 if ((softc
->sc_firsts
[et
] <= eaddr
)
1012 && ((softc
->sc_firsts
[et
] + softc
->sc_counts
[et
])
1014 ces
->ces_addr
= eaddr
- softc
->sc_firsts
[et
];
1020 ces
->ces_flags
= desc
->flags1
;
1022 ces
->ces_sensecode
= desc
->sense_code
;
1023 ces
->ces_sensequal
= desc
->sense_qual
;
1025 if (desc
->flags2
& READ_ELEMENT_STATUS_INVERT
)
1026 ces
->ces_flags
|= CES_INVERT
;
1028 if (desc
->flags2
& READ_ELEMENT_STATUS_SVALID
) {
1030 eaddr
= scsi_2btoul(desc
->ssea
);
1032 /* convert source address to logical format */
1033 for (et
= CHET_MT
; et
<= CHET_DT
; et
++) {
1034 if ((softc
->sc_firsts
[et
] <= eaddr
)
1035 && ((softc
->sc_firsts
[et
] + softc
->sc_counts
[et
])
1037 ces
->ces_source_addr
=
1038 eaddr
- softc
->sc_firsts
[et
];
1039 ces
->ces_source_type
= et
;
1040 ces
->ces_flags
|= CES_SOURCE_VALID
;
1045 if (!(ces
->ces_flags
& CES_SOURCE_VALID
))
1046 kprintf("ch: warning: could not map element source "
1047 "address %ud to a valid element type\n",
1052 if (flags
& READ_ELEMENT_STATUS_PVOLTAG
)
1053 copy_voltag(&(ces
->ces_pvoltag
), &(desc
->pvoltag
));
1054 if (flags
& READ_ELEMENT_STATUS_AVOLTAG
)
1055 copy_voltag(&(ces
->ces_avoltag
), &(desc
->avoltag
));
1057 if (desc
->dt_scsi_flags
& READ_ELEMENT_STATUS_DT_IDVALID
) {
1058 ces
->ces_flags
|= CES_SCSIID_VALID
;
1059 ces
->ces_scsi_id
= desc
->dt_scsi_addr
;
1062 if (desc
->dt_scsi_addr
& READ_ELEMENT_STATUS_DT_LUVALID
) {
1063 ces
->ces_flags
|= CES_LUN_VALID
;
1065 desc
->dt_scsi_flags
& READ_ELEMENT_STATUS_DT_LUNMASK
;
1070 chgetelemstatus(struct cam_periph
*periph
,
1071 struct changer_element_status_request
*cesr
)
1073 struct read_element_status_header
*st_hdr
;
1074 struct read_element_status_page_header
*pg_hdr
;
1075 struct read_element_status_descriptor
*desc
;
1076 caddr_t data
= NULL
;
1077 size_t size
, desclen
;
1078 int avail
, i
, error
= 0;
1079 struct changer_element_status
*user_data
= NULL
;
1080 struct ch_softc
*softc
;
1082 int chet
= cesr
->cesr_element_type
;
1083 int want_voltags
= (cesr
->cesr_flags
& CESR_VOLTAGS
) ? 1 : 0;
1085 softc
= (struct ch_softc
*)periph
->softc
;
1087 /* perform argument checking */
1090 * Perform a range check on the cesr_element_{base,count}
1091 * request argument fields.
1093 if ((softc
->sc_counts
[chet
] - cesr
->cesr_element_base
) <= 0
1094 || (cesr
->cesr_element_base
+ cesr
->cesr_element_count
)
1095 > softc
->sc_counts
[chet
])
1099 * Request one descriptor for the given element type. This
1100 * is used to determine the size of the descriptor so that
1101 * we can allocate enough storage for all of them. We assume
1102 * that the first one can fit into 1k.
1104 data
= (caddr_t
)kmalloc(1024, M_DEVBUF
, M_INTWAIT
);
1106 ccb
= cam_periph_getccb(periph
, /*priority*/ 1);
1108 scsi_read_element_status(&ccb
->csio
,
1110 /* cbfcnp */ chdone
,
1111 /* tag_action */ MSG_SIMPLE_Q_TAG
,
1112 /* voltag */ want_voltags
,
1113 /* sea */ softc
->sc_firsts
[chet
],
1115 /* data_ptr */ data
,
1116 /* dxfer_len */ 1024,
1117 /* sense_len */ SSD_FULL_SIZE
,
1118 /* timeout */ CH_TIMEOUT_READ_ELEMENT_STATUS
);
1120 error
= cam_periph_runccb(ccb
, cherror
, /*cam_flags*/ CAM_RETRY_SELTO
,
1121 /*sense_flags*/ SF_RETRY_UA
,
1122 &softc
->device_stats
);
1127 st_hdr
= (struct read_element_status_header
*)data
;
1128 pg_hdr
= (struct read_element_status_page_header
*)((uintptr_t)st_hdr
+
1129 sizeof(struct read_element_status_header
));
1130 desclen
= scsi_2btoul(pg_hdr
->edl
);
1132 size
= sizeof(struct read_element_status_header
) +
1133 sizeof(struct read_element_status_page_header
) +
1134 (desclen
* cesr
->cesr_element_count
);
1137 * Reallocate storage for descriptors and get them from the
1140 kfree(data
, M_DEVBUF
);
1141 data
= (caddr_t
)kmalloc(size
, M_DEVBUF
, M_INTWAIT
);
1143 scsi_read_element_status(&ccb
->csio
,
1145 /* cbfcnp */ chdone
,
1146 /* tag_action */ MSG_SIMPLE_Q_TAG
,
1147 /* voltag */ want_voltags
,
1148 /* sea */ softc
->sc_firsts
[chet
]
1149 + cesr
->cesr_element_base
,
1150 /* count */ cesr
->cesr_element_count
,
1151 /* data_ptr */ data
,
1152 /* dxfer_len */ size
,
1153 /* sense_len */ SSD_FULL_SIZE
,
1154 /* timeout */ CH_TIMEOUT_READ_ELEMENT_STATUS
);
1156 error
= cam_periph_runccb(ccb
, cherror
, /*cam_flags*/ CAM_RETRY_SELTO
,
1157 /*sense_flags*/ SF_RETRY_UA
,
1158 &softc
->device_stats
);
1164 * Fill in the user status array.
1166 st_hdr
= (struct read_element_status_header
*)data
;
1167 pg_hdr
= (struct read_element_status_page_header
*)((uintptr_t)st_hdr
+
1168 sizeof(struct read_element_status_header
));
1169 avail
= scsi_2btoul(st_hdr
->count
);
1171 if (avail
!= cesr
->cesr_element_count
) {
1172 xpt_print_path(periph
->path
);
1173 kprintf("warning, READ ELEMENT STATUS avail != count\n");
1176 user_data
= (struct changer_element_status
*)
1177 kmalloc(avail
* sizeof(struct changer_element_status
),
1178 M_DEVBUF
, M_INTWAIT
| M_ZERO
);
1180 desc
= (struct read_element_status_descriptor
*)((uintptr_t)data
+
1181 sizeof(struct read_element_status_header
) +
1182 sizeof(struct read_element_status_page_header
));
1184 * Set up the individual element status structures
1186 for (i
= 0; i
< avail
; ++i
) {
1187 struct changer_element_status
*ces
= &(user_data
[i
]);
1189 copy_element_status(softc
, pg_hdr
->flags
, desc
, ces
);
1191 desc
= (struct read_element_status_descriptor
*)
1192 ((uintptr_t)desc
+ desclen
);
1195 /* Copy element status structures out to userspace. */
1196 error
= copyout(user_data
,
1197 cesr
->cesr_element_status
,
1198 avail
* sizeof(struct changer_element_status
));
1201 xpt_release_ccb(ccb
);
1204 kfree(data
, M_DEVBUF
);
1205 if (user_data
!= NULL
)
1206 kfree(user_data
, M_DEVBUF
);
1212 chielem(struct cam_periph
*periph
,
1213 unsigned int timeout
)
1216 struct ch_softc
*softc
;
1220 timeout
= CH_TIMEOUT_INITIALIZE_ELEMENT_STATUS
;
1226 softc
= (struct ch_softc
*)periph
->softc
;
1228 ccb
= cam_periph_getccb(periph
, /*priority*/ 1);
1230 scsi_initialize_element_status(&ccb
->csio
,
1232 /* cbfcnp */ chdone
,
1233 /* tag_action */ MSG_SIMPLE_Q_TAG
,
1234 /* sense_len */ SSD_FULL_SIZE
,
1235 /* timeout */ timeout
);
1237 error
= cam_periph_runccb(ccb
, cherror
, /*cam_flags*/ CAM_RETRY_SELTO
,
1238 /*sense_flags*/ SF_RETRY_UA
,
1239 &softc
->device_stats
);
1241 xpt_release_ccb(ccb
);
1247 chsetvoltag(struct cam_periph
*periph
,
1248 struct changer_set_voltag_request
*csvr
)
1251 struct ch_softc
*softc
;
1254 struct scsi_send_volume_tag_parameters ssvtp
;
1259 softc
= (struct ch_softc
*)periph
->softc
;
1261 bzero(&ssvtp
, sizeof(ssvtp
));
1262 for (i
=0; i
<sizeof(ssvtp
.vitf
); i
++) {
1263 ssvtp
.vitf
[i
] = ' ';
1269 if (csvr
->csvr_type
> CHET_DT
)
1271 if (csvr
->csvr_addr
> (softc
->sc_counts
[csvr
->csvr_type
] - 1))
1274 ea
= softc
->sc_firsts
[csvr
->csvr_type
] + csvr
->csvr_addr
;
1276 if (csvr
->csvr_flags
& CSVR_ALTERNATE
) {
1277 switch (csvr
->csvr_flags
& CSVR_MODE_MASK
) {
1279 sac
= SEND_VOLUME_TAG_ASSERT_ALTERNATE
;
1281 case CSVR_MODE_REPLACE
:
1282 sac
= SEND_VOLUME_TAG_REPLACE_ALTERNATE
;
1284 case CSVR_MODE_CLEAR
:
1285 sac
= SEND_VOLUME_TAG_UNDEFINED_ALTERNATE
;
1292 switch (csvr
->csvr_flags
& CSVR_MODE_MASK
) {
1294 sac
= SEND_VOLUME_TAG_ASSERT_PRIMARY
;
1296 case CSVR_MODE_REPLACE
:
1297 sac
= SEND_VOLUME_TAG_REPLACE_PRIMARY
;
1299 case CSVR_MODE_CLEAR
:
1300 sac
= SEND_VOLUME_TAG_UNDEFINED_PRIMARY
;
1308 memcpy(ssvtp
.vitf
, csvr
->csvr_voltag
.cv_volid
,
1309 min(strlen(csvr
->csvr_voltag
.cv_volid
), sizeof(ssvtp
.vitf
)));
1310 scsi_ulto2b(csvr
->csvr_voltag
.cv_serial
, ssvtp
.minvsn
);
1312 ccb
= cam_periph_getccb(periph
, /*priority*/ 1);
1314 scsi_send_volume_tag(&ccb
->csio
,
1316 /* cbfcnp */ chdone
,
1317 /* tag_action */ MSG_SIMPLE_Q_TAG
,
1318 /* element_address */ ea
,
1319 /* send_action_code */ sac
,
1320 /* parameters */ &ssvtp
,
1321 /* sense_len */ SSD_FULL_SIZE
,
1322 /* timeout */ CH_TIMEOUT_SEND_VOLTAG
);
1324 error
= cam_periph_runccb(ccb
, cherror
, /*cam_flags*/ CAM_RETRY_SELTO
,
1325 /*sense_flags*/ SF_RETRY_UA
,
1326 &softc
->device_stats
);
1328 xpt_release_ccb(ccb
);
1335 chgetparams(struct cam_periph
*periph
)
1338 struct ch_softc
*softc
;
1340 int mode_buffer_len
;
1341 struct page_element_address_assignment
*ea
;
1342 struct page_device_capabilities
*cap
;
1343 int error
, from
, dbd
;
1344 u_int8_t
*moves
, *exchanges
;
1348 softc
= (struct ch_softc
*)periph
->softc
;
1350 ccb
= cam_periph_getccb(periph
, /*priority*/ 1);
1353 * The scsi_mode_sense_data structure is just a convenience
1354 * structure that allows us to easily calculate the worst-case
1355 * storage size of the mode sense buffer.
1357 mode_buffer_len
= sizeof(struct scsi_mode_sense_data
);
1359 mode_buffer
= kmalloc(mode_buffer_len
, M_TEMP
, M_INTWAIT
| M_ZERO
);
1361 if (softc
->quirks
& CH_Q_NO_DBD
)
1367 * Get the element address assignment page.
1369 scsi_mode_sense(&ccb
->csio
,
1371 /* cbfcnp */ chdone
,
1372 /* tag_action */ MSG_SIMPLE_Q_TAG
,
1374 /* page_code */ SMS_PAGE_CTRL_CURRENT
,
1375 /* page */ CH_ELEMENT_ADDR_ASSIGN_PAGE
,
1376 /* param_buf */ (u_int8_t
*)mode_buffer
,
1377 /* param_len */ mode_buffer_len
,
1378 /* sense_len */ SSD_FULL_SIZE
,
1379 /* timeout */ CH_TIMEOUT_MODE_SENSE
);
1381 error
= cam_periph_runccb(ccb
, cherror
, /*cam_flags*/ CAM_RETRY_SELTO
,
1382 /* sense_flags */ SF_RETRY_UA
|SF_NO_PRINT
,
1383 &softc
->device_stats
);
1387 struct scsi_mode_sense_6
*sms
;
1389 sms
= (struct scsi_mode_sense_6
*)
1390 ccb
->csio
.cdb_io
.cdb_bytes
;
1392 sms
->byte2
&= ~SMS_DBD
;
1393 error
= cam_periph_runccb(ccb
, cherror
,
1394 /*cam_flags*/ CAM_RETRY_SELTO
,
1395 /*sense_flags*/ SF_RETRY_UA
,
1396 &softc
->device_stats
);
1399 * Since we disabled sense printing above, print
1400 * out the sense here since we got an error.
1402 scsi_sense_print(&ccb
->csio
);
1406 xpt_print_path(periph
->path
);
1407 kprintf("chgetparams: error getting element "
1409 xpt_release_ccb(ccb
);
1410 kfree(mode_buffer
, M_TEMP
);
1415 ea
= (struct page_element_address_assignment
*)
1416 find_mode_page_6((struct scsi_mode_header_6
*)mode_buffer
);
1418 softc
->sc_firsts
[CHET_MT
] = scsi_2btoul(ea
->mtea
);
1419 softc
->sc_counts
[CHET_MT
] = scsi_2btoul(ea
->nmte
);
1420 softc
->sc_firsts
[CHET_ST
] = scsi_2btoul(ea
->fsea
);
1421 softc
->sc_counts
[CHET_ST
] = scsi_2btoul(ea
->nse
);
1422 softc
->sc_firsts
[CHET_IE
] = scsi_2btoul(ea
->fieea
);
1423 softc
->sc_counts
[CHET_IE
] = scsi_2btoul(ea
->niee
);
1424 softc
->sc_firsts
[CHET_DT
] = scsi_2btoul(ea
->fdtea
);
1425 softc
->sc_counts
[CHET_DT
] = scsi_2btoul(ea
->ndte
);
1427 bzero(mode_buffer
, mode_buffer_len
);
1430 * Now get the device capabilities page.
1432 scsi_mode_sense(&ccb
->csio
,
1434 /* cbfcnp */ chdone
,
1435 /* tag_action */ MSG_SIMPLE_Q_TAG
,
1437 /* page_code */ SMS_PAGE_CTRL_CURRENT
,
1438 /* page */ CH_DEVICE_CAP_PAGE
,
1439 /* param_buf */ (u_int8_t
*)mode_buffer
,
1440 /* param_len */ mode_buffer_len
,
1441 /* sense_len */ SSD_FULL_SIZE
,
1442 /* timeout */ CH_TIMEOUT_MODE_SENSE
);
1444 error
= cam_periph_runccb(ccb
, cherror
, /*cam_flags*/ CAM_RETRY_SELTO
,
1445 /* sense_flags */ SF_RETRY_UA
| SF_NO_PRINT
,
1446 &softc
->device_stats
);
1450 struct scsi_mode_sense_6
*sms
;
1452 sms
= (struct scsi_mode_sense_6
*)
1453 ccb
->csio
.cdb_io
.cdb_bytes
;
1455 sms
->byte2
&= ~SMS_DBD
;
1456 error
= cam_periph_runccb(ccb
, cherror
,
1457 /*cam_flags*/ CAM_RETRY_SELTO
,
1458 /*sense_flags*/ SF_RETRY_UA
,
1459 &softc
->device_stats
);
1462 * Since we disabled sense printing above, print
1463 * out the sense here since we got an error.
1465 scsi_sense_print(&ccb
->csio
);
1469 xpt_print_path(periph
->path
);
1470 kprintf("chgetparams: error getting device "
1471 "capabilities page\n");
1472 xpt_release_ccb(ccb
);
1473 kfree(mode_buffer
, M_TEMP
);
1478 xpt_release_ccb(ccb
);
1480 cap
= (struct page_device_capabilities
*)
1481 find_mode_page_6((struct scsi_mode_header_6
*)mode_buffer
);
1483 bzero(softc
->sc_movemask
, sizeof(softc
->sc_movemask
));
1484 bzero(softc
->sc_exchangemask
, sizeof(softc
->sc_exchangemask
));
1485 moves
= cap
->move_from
;
1486 exchanges
= cap
->exchange_with
;
1487 for (from
= CHET_MT
; from
<= CHET_MAX
; ++from
) {
1488 softc
->sc_movemask
[from
] = moves
[from
];
1489 softc
->sc_exchangemask
[from
] = exchanges
[from
];
1492 kfree(mode_buffer
, M_TEMP
);
1498 scsi_move_medium(struct ccb_scsiio
*csio
, u_int32_t retries
,
1499 void (*cbfcnp
)(struct cam_periph
*, union ccb
*),
1500 u_int8_t tag_action
, u_int32_t tea
, u_int32_t src
,
1501 u_int32_t dst
, int invert
, u_int8_t sense_len
,
1504 struct scsi_move_medium
*scsi_cmd
;
1506 scsi_cmd
= (struct scsi_move_medium
*)&csio
->cdb_io
.cdb_bytes
;
1507 bzero(scsi_cmd
, sizeof(*scsi_cmd
));
1509 scsi_cmd
->opcode
= MOVE_MEDIUM
;
1511 scsi_ulto2b(tea
, scsi_cmd
->tea
);
1512 scsi_ulto2b(src
, scsi_cmd
->src
);
1513 scsi_ulto2b(dst
, scsi_cmd
->dst
);
1516 scsi_cmd
->invert
|= MOVE_MEDIUM_INVERT
;
1521 /*flags*/ CAM_DIR_NONE
,
1531 scsi_exchange_medium(struct ccb_scsiio
*csio
, u_int32_t retries
,
1532 void (*cbfcnp
)(struct cam_periph
*, union ccb
*),
1533 u_int8_t tag_action
, u_int32_t tea
, u_int32_t src
,
1534 u_int32_t dst1
, u_int32_t dst2
, int invert1
,
1535 int invert2
, u_int8_t sense_len
, u_int32_t timeout
)
1537 struct scsi_exchange_medium
*scsi_cmd
;
1539 scsi_cmd
= (struct scsi_exchange_medium
*)&csio
->cdb_io
.cdb_bytes
;
1540 bzero(scsi_cmd
, sizeof(*scsi_cmd
));
1542 scsi_cmd
->opcode
= EXCHANGE_MEDIUM
;
1544 scsi_ulto2b(tea
, scsi_cmd
->tea
);
1545 scsi_ulto2b(src
, scsi_cmd
->src
);
1546 scsi_ulto2b(dst1
, scsi_cmd
->fdst
);
1547 scsi_ulto2b(dst2
, scsi_cmd
->sdst
);
1550 scsi_cmd
->invert
|= EXCHANGE_MEDIUM_INV1
;
1553 scsi_cmd
->invert
|= EXCHANGE_MEDIUM_INV2
;
1558 /*flags*/ CAM_DIR_NONE
,
1568 scsi_position_to_element(struct ccb_scsiio
*csio
, u_int32_t retries
,
1569 void (*cbfcnp
)(struct cam_periph
*, union ccb
*),
1570 u_int8_t tag_action
, u_int32_t tea
, u_int32_t dst
,
1571 int invert
, u_int8_t sense_len
, u_int32_t timeout
)
1573 struct scsi_position_to_element
*scsi_cmd
;
1575 scsi_cmd
= (struct scsi_position_to_element
*)&csio
->cdb_io
.cdb_bytes
;
1576 bzero(scsi_cmd
, sizeof(*scsi_cmd
));
1578 scsi_cmd
->opcode
= POSITION_TO_ELEMENT
;
1580 scsi_ulto2b(tea
, scsi_cmd
->tea
);
1581 scsi_ulto2b(dst
, scsi_cmd
->dst
);
1584 scsi_cmd
->invert
|= POSITION_TO_ELEMENT_INVERT
;
1589 /*flags*/ CAM_DIR_NONE
,
1599 scsi_read_element_status(struct ccb_scsiio
*csio
, u_int32_t retries
,
1600 void (*cbfcnp
)(struct cam_periph
*, union ccb
*),
1601 u_int8_t tag_action
, int voltag
, u_int32_t sea
,
1602 u_int32_t count
, u_int8_t
*data_ptr
,
1603 u_int32_t dxfer_len
, u_int8_t sense_len
,
1606 struct scsi_read_element_status
*scsi_cmd
;
1608 scsi_cmd
= (struct scsi_read_element_status
*)&csio
->cdb_io
.cdb_bytes
;
1609 bzero(scsi_cmd
, sizeof(*scsi_cmd
));
1611 scsi_cmd
->opcode
= READ_ELEMENT_STATUS
;
1613 scsi_ulto2b(sea
, scsi_cmd
->sea
);
1614 scsi_ulto2b(count
, scsi_cmd
->count
);
1615 scsi_ulto3b(dxfer_len
, scsi_cmd
->len
);
1618 scsi_cmd
->byte2
|= READ_ELEMENT_STATUS_VOLTAG
;
1623 /*flags*/ CAM_DIR_IN
,
1633 scsi_initialize_element_status(struct ccb_scsiio
*csio
, u_int32_t retries
,
1634 void (*cbfcnp
)(struct cam_periph
*, union ccb
*),
1635 u_int8_t tag_action
, u_int8_t sense_len
,
1638 struct scsi_initialize_element_status
*scsi_cmd
;
1640 scsi_cmd
= (struct scsi_initialize_element_status
*)
1641 &csio
->cdb_io
.cdb_bytes
;
1642 bzero(scsi_cmd
, sizeof(*scsi_cmd
));
1644 scsi_cmd
->opcode
= INITIALIZE_ELEMENT_STATUS
;
1649 /*flags*/ CAM_DIR_NONE
,
1651 /* data_ptr */ NULL
,
1659 scsi_send_volume_tag(struct ccb_scsiio
*csio
, u_int32_t retries
,
1660 void (*cbfcnp
)(struct cam_periph
*, union ccb
*),
1661 u_int8_t tag_action
,
1662 u_int16_t element_address
,
1663 u_int8_t send_action_code
,
1664 struct scsi_send_volume_tag_parameters
*parameters
,
1665 u_int8_t sense_len
, u_int32_t timeout
)
1667 struct scsi_send_volume_tag
*scsi_cmd
;
1669 scsi_cmd
= (struct scsi_send_volume_tag
*) &csio
->cdb_io
.cdb_bytes
;
1670 bzero(scsi_cmd
, sizeof(*scsi_cmd
));
1672 scsi_cmd
->opcode
= SEND_VOLUME_TAG
;
1673 scsi_ulto2b(element_address
, scsi_cmd
->ea
);
1674 scsi_cmd
->sac
= send_action_code
;
1675 scsi_ulto2b(sizeof(*parameters
), scsi_cmd
->pll
);
1680 /*flags*/ CAM_DIR_OUT
,
1682 /* data_ptr */ (u_int8_t
*) parameters
,
1683 sizeof(*parameters
),