xref: /freebsd/sys/cam/scsi/scsi_ch.c (revision e2a5fdf9117c50fdd503f405f77381d38ed609b2)
176babe50SJustin T. Gibbs /*
276babe50SJustin T. Gibbs  * Copyright (c) 1997 Justin T. Gibbs.
32a888f93SKenneth D. Merry  * Copyright (c) 1997, 1998, 1999 Kenneth D. Merry.
476babe50SJustin T. Gibbs  * All rights reserved.
576babe50SJustin T. Gibbs  *
676babe50SJustin T. Gibbs  * Redistribution and use in source and binary forms, with or without
776babe50SJustin T. Gibbs  * modification, are permitted provided that the following conditions
876babe50SJustin T. Gibbs  * are met:
976babe50SJustin T. Gibbs  * 1. Redistributions of source code must retain the above copyright
1076babe50SJustin T. Gibbs  *    notice, this list of conditions, and the following disclaimer,
1176babe50SJustin T. Gibbs  *    without modification, immediately at the beginning of the file.
1276babe50SJustin T. Gibbs  * 2. The name of the author may not be used to endorse or promote products
1376babe50SJustin T. Gibbs  *    derived from this software without specific prior written permission.
1476babe50SJustin T. Gibbs  *
1576babe50SJustin T. Gibbs  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
1676babe50SJustin T. Gibbs  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
1776babe50SJustin T. Gibbs  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
1876babe50SJustin T. Gibbs  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
1976babe50SJustin T. Gibbs  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
2076babe50SJustin T. Gibbs  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
2176babe50SJustin T. Gibbs  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
2276babe50SJustin T. Gibbs  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
2376babe50SJustin T. Gibbs  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
2476babe50SJustin T. Gibbs  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
2576babe50SJustin T. Gibbs  * SUCH DAMAGE.
2676babe50SJustin T. Gibbs  *
27c3aac50fSPeter Wemm  * $FreeBSD$
2876babe50SJustin T. Gibbs  */
2976babe50SJustin T. Gibbs /*
3076babe50SJustin T. Gibbs  * Derived from the NetBSD SCSI changer driver.
3176babe50SJustin T. Gibbs  *
3276babe50SJustin T. Gibbs  *	$NetBSD: ch.c,v 1.32 1998/01/12 09:49:12 thorpej Exp $
3376babe50SJustin T. Gibbs  *
3476babe50SJustin T. Gibbs  */
3576babe50SJustin T. Gibbs /*
3676babe50SJustin T. Gibbs  * Copyright (c) 1996, 1997 Jason R. Thorpe <thorpej@and.com>
3776babe50SJustin T. Gibbs  * All rights reserved.
3876babe50SJustin T. Gibbs  *
3976babe50SJustin T. Gibbs  * Partially based on an autochanger driver written by Stefan Grefen
4076babe50SJustin T. Gibbs  * and on an autochanger driver written by the Systems Programming Group
4176babe50SJustin T. Gibbs  * at the University of Utah Computer Science Department.
4276babe50SJustin T. Gibbs  *
4376babe50SJustin T. Gibbs  * Redistribution and use in source and binary forms, with or without
4476babe50SJustin T. Gibbs  * modification, are permitted provided that the following conditions
4576babe50SJustin T. Gibbs  * are met:
4676babe50SJustin T. Gibbs  * 1. Redistributions of source code must retain the above copyright
4776babe50SJustin T. Gibbs  *    notice, this list of conditions and the following disclaimer.
4876babe50SJustin T. Gibbs  * 2. Redistributions in binary form must reproduce the above copyright
4976babe50SJustin T. Gibbs  *    notice, this list of conditions and the following disclaimer in the
5076babe50SJustin T. Gibbs  *    documentation and/or other materials provided with the distribution.
5176babe50SJustin T. Gibbs  * 3. All advertising materials mentioning features or use of this software
5276babe50SJustin T. Gibbs  *    must display the following acknowledgements:
5376babe50SJustin T. Gibbs  *	This product includes software developed by Jason R. Thorpe
5476babe50SJustin T. Gibbs  *	for And Communications, http://www.and.com/
5576babe50SJustin T. Gibbs  * 4. The name of the author may not be used to endorse or promote products
5676babe50SJustin T. Gibbs  *    derived from this software without specific prior written permission.
5776babe50SJustin T. Gibbs  *
5876babe50SJustin T. Gibbs  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
5976babe50SJustin T. Gibbs  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
6076babe50SJustin T. Gibbs  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
6176babe50SJustin T. Gibbs  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
6276babe50SJustin T. Gibbs  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
6376babe50SJustin T. Gibbs  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
6476babe50SJustin T. Gibbs  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
6576babe50SJustin T. Gibbs  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
6676babe50SJustin T. Gibbs  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
6776babe50SJustin T. Gibbs  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
6876babe50SJustin T. Gibbs  * SUCH DAMAGE.
6976babe50SJustin T. Gibbs  */
7076babe50SJustin T. Gibbs 
7176babe50SJustin T. Gibbs #include <sys/param.h>
7276babe50SJustin T. Gibbs #include <sys/queue.h>
7376babe50SJustin T. Gibbs #include <sys/systm.h>
7476babe50SJustin T. Gibbs #include <sys/kernel.h>
7576babe50SJustin T. Gibbs #include <sys/types.h>
7676babe50SJustin T. Gibbs #include <sys/malloc.h>
7776babe50SJustin T. Gibbs #include <sys/fcntl.h>
7876babe50SJustin T. Gibbs #include <sys/conf.h>
7976babe50SJustin T. Gibbs #include <sys/chio.h>
8076babe50SJustin T. Gibbs #include <sys/errno.h>
8176babe50SJustin T. Gibbs #include <sys/devicestat.h>
8276babe50SJustin T. Gibbs 
8376babe50SJustin T. Gibbs #include <cam/cam.h>
8476babe50SJustin T. Gibbs #include <cam/cam_ccb.h>
8576babe50SJustin T. Gibbs #include <cam/cam_periph.h>
8676babe50SJustin T. Gibbs #include <cam/cam_xpt_periph.h>
8776babe50SJustin T. Gibbs #include <cam/cam_debug.h>
8876babe50SJustin T. Gibbs 
8976babe50SJustin T. Gibbs #include <cam/scsi/scsi_all.h>
9076babe50SJustin T. Gibbs #include <cam/scsi/scsi_message.h>
9176babe50SJustin T. Gibbs #include <cam/scsi/scsi_ch.h>
9276babe50SJustin T. Gibbs 
9376babe50SJustin T. Gibbs /*
9476babe50SJustin T. Gibbs  * Timeout definitions for various changer related commands.  They may
9576babe50SJustin T. Gibbs  * be too short for some devices (especially the timeout for INITIALIZE
9676babe50SJustin T. Gibbs  * ELEMENT STATUS).
9776babe50SJustin T. Gibbs  */
9876babe50SJustin T. Gibbs 
993c68dd1aSEivind Eklund static const u_int32_t	CH_TIMEOUT_MODE_SENSE                = 6000;
1003c68dd1aSEivind Eklund static const u_int32_t	CH_TIMEOUT_MOVE_MEDIUM               = 100000;
1013c68dd1aSEivind Eklund static const u_int32_t	CH_TIMEOUT_EXCHANGE_MEDIUM           = 100000;
1023c68dd1aSEivind Eklund static const u_int32_t	CH_TIMEOUT_POSITION_TO_ELEMENT       = 100000;
1033c68dd1aSEivind Eklund static const u_int32_t	CH_TIMEOUT_READ_ELEMENT_STATUS       = 10000;
1043c68dd1aSEivind Eklund static const u_int32_t	CH_TIMEOUT_SEND_VOLTAG		     = 10000;
1053c68dd1aSEivind Eklund static const u_int32_t	CH_TIMEOUT_INITIALIZE_ELEMENT_STATUS = 500000;
10676babe50SJustin T. Gibbs 
10776babe50SJustin T. Gibbs typedef enum {
10876babe50SJustin T. Gibbs 	CH_FLAG_INVALID		= 0x001,
10976babe50SJustin T. Gibbs 	CH_FLAG_OPEN		= 0x002
11076babe50SJustin T. Gibbs } ch_flags;
11176babe50SJustin T. Gibbs 
11276babe50SJustin T. Gibbs typedef enum {
11376babe50SJustin T. Gibbs 	CH_STATE_PROBE,
11476babe50SJustin T. Gibbs 	CH_STATE_NORMAL
11576babe50SJustin T. Gibbs } ch_state;
11676babe50SJustin T. Gibbs 
11776babe50SJustin T. Gibbs typedef enum {
11876babe50SJustin T. Gibbs 	CH_CCB_PROBE,
11976babe50SJustin T. Gibbs 	CH_CCB_WAITING
12076babe50SJustin T. Gibbs } ch_ccb_types;
12176babe50SJustin T. Gibbs 
122696db222SKenneth D. Merry typedef enum {
123696db222SKenneth D. Merry 	CH_Q_NONE	= 0x00,
124696db222SKenneth D. Merry 	CH_Q_NO_DBD	= 0x01
125696db222SKenneth D. Merry } ch_quirks;
126696db222SKenneth D. Merry 
12776babe50SJustin T. Gibbs #define ccb_state	ppriv_field0
12876babe50SJustin T. Gibbs #define ccb_bp		ppriv_ptr1
12976babe50SJustin T. Gibbs 
13076babe50SJustin T. Gibbs struct scsi_mode_sense_data {
13176babe50SJustin T. Gibbs 	struct scsi_mode_header_6 header;
132696db222SKenneth D. Merry 	struct scsi_mode_blk_desc blk_desc;
13376babe50SJustin T. Gibbs 	union {
13476babe50SJustin T. Gibbs 		struct page_element_address_assignment ea;
13576babe50SJustin T. Gibbs 		struct page_transport_geometry_parameters tg;
13676babe50SJustin T. Gibbs 		struct page_device_capabilities cap;
13776babe50SJustin T. Gibbs 	} pages;
13876babe50SJustin T. Gibbs };
13976babe50SJustin T. Gibbs 
14076babe50SJustin T. Gibbs struct ch_softc {
14176babe50SJustin T. Gibbs 	ch_flags	flags;
14276babe50SJustin T. Gibbs 	ch_state	state;
143696db222SKenneth D. Merry 	ch_quirks	quirks;
14476babe50SJustin T. Gibbs 	union ccb	saved_ccb;
14576babe50SJustin T. Gibbs 	struct devstat	device_stats;
1462728bfbdSMatt Jacob 	dev_t		dev;
14776babe50SJustin T. Gibbs 
14876babe50SJustin T. Gibbs 	int		sc_picker;	/* current picker */
14976babe50SJustin T. Gibbs 
15076babe50SJustin T. Gibbs 	/*
15176babe50SJustin T. Gibbs 	 * The following information is obtained from the
15276babe50SJustin T. Gibbs 	 * element address assignment page.
15376babe50SJustin T. Gibbs 	 */
15476babe50SJustin T. Gibbs 	int		sc_firsts[4];	/* firsts, indexed by CHET_* */
15576babe50SJustin T. Gibbs 	int		sc_counts[4];	/* counts, indexed by CHET_* */
15676babe50SJustin T. Gibbs 
15776babe50SJustin T. Gibbs 	/*
15876babe50SJustin T. Gibbs 	 * The following mask defines the legal combinations
15976babe50SJustin T. Gibbs 	 * of elements for the MOVE MEDIUM command.
16076babe50SJustin T. Gibbs 	 */
16176babe50SJustin T. Gibbs 	u_int8_t	sc_movemask[4];
16276babe50SJustin T. Gibbs 
16376babe50SJustin T. Gibbs 	/*
16476babe50SJustin T. Gibbs 	 * As above, but for EXCHANGE MEDIUM.
16576babe50SJustin T. Gibbs 	 */
16676babe50SJustin T. Gibbs 	u_int8_t	sc_exchangemask[4];
16776babe50SJustin T. Gibbs 
16876babe50SJustin T. Gibbs 	/*
16976babe50SJustin T. Gibbs 	 * Quirks; see below.  XXX KDM not implemented yet
17076babe50SJustin T. Gibbs 	 */
17176babe50SJustin T. Gibbs 	int		sc_settledelay;	/* delay for settle */
17276babe50SJustin T. Gibbs };
17376babe50SJustin T. Gibbs 
17476babe50SJustin T. Gibbs #define CHUNIT(x)       (minor((x)))
17576babe50SJustin T. Gibbs #define CH_CDEV_MAJOR	17
17676babe50SJustin T. Gibbs 
17776babe50SJustin T. Gibbs static	d_open_t	chopen;
17876babe50SJustin T. Gibbs static	d_close_t	chclose;
17976babe50SJustin T. Gibbs static	d_ioctl_t	chioctl;
18076babe50SJustin T. Gibbs static	periph_init_t	chinit;
18176babe50SJustin T. Gibbs static  periph_ctor_t	chregister;
182ee9c90c7SKenneth D. Merry static	periph_oninv_t	choninvalidate;
18376babe50SJustin T. Gibbs static  periph_dtor_t   chcleanup;
18476babe50SJustin T. Gibbs static  periph_start_t  chstart;
18576babe50SJustin T. Gibbs static	void		chasync(void *callback_arg, u_int32_t code,
18676babe50SJustin T. Gibbs 				struct cam_path *path, void *arg);
18776babe50SJustin T. Gibbs static	void		chdone(struct cam_periph *periph,
18876babe50SJustin T. Gibbs 			       union ccb *done_ccb);
18976babe50SJustin T. Gibbs static	int		cherror(union ccb *ccb, u_int32_t cam_flags,
19076babe50SJustin T. Gibbs 				u_int32_t sense_flags);
19176babe50SJustin T. Gibbs static	int		chmove(struct cam_periph *periph,
19276babe50SJustin T. Gibbs 			       struct changer_move *cm);
19376babe50SJustin T. Gibbs static	int		chexchange(struct cam_periph *periph,
19476babe50SJustin T. Gibbs 				   struct changer_exchange *ce);
19576babe50SJustin T. Gibbs static	int		chposition(struct cam_periph *periph,
19676babe50SJustin T. Gibbs 				   struct changer_position *cp);
19776babe50SJustin T. Gibbs static	int		chgetelemstatus(struct cam_periph *periph,
19876babe50SJustin T. Gibbs 				struct changer_element_status_request *csr);
19976babe50SJustin T. Gibbs static	int		chsetvoltag(struct cam_periph *periph,
20076babe50SJustin T. Gibbs 				    struct changer_set_voltag_request *csvr);
20176babe50SJustin T. Gibbs static	int		chielem(struct cam_periph *periph,
20276babe50SJustin T. Gibbs 				unsigned int timeout);
20376babe50SJustin T. Gibbs static	int		chgetparams(struct cam_periph *periph);
20476babe50SJustin T. Gibbs 
20576babe50SJustin T. Gibbs static struct periph_driver chdriver =
20676babe50SJustin T. Gibbs {
20776babe50SJustin T. Gibbs 	chinit, "ch",
20876babe50SJustin T. Gibbs 	TAILQ_HEAD_INITIALIZER(chdriver.units), /* generation */ 0
20976babe50SJustin T. Gibbs };
21076babe50SJustin T. Gibbs 
2110b7c27b9SPeter Wemm PERIPHDRIVER_DECLARE(ch, chdriver);
21276babe50SJustin T. Gibbs 
2134e2f199eSPoul-Henning Kamp static struct cdevsw ch_cdevsw = {
2144e2f199eSPoul-Henning Kamp 	/* open */	chopen,
2154e2f199eSPoul-Henning Kamp 	/* close */	chclose,
2164e2f199eSPoul-Henning Kamp 	/* read */	noread,
2174e2f199eSPoul-Henning Kamp 	/* write */	nowrite,
2184e2f199eSPoul-Henning Kamp 	/* ioctl */	chioctl,
2194e2f199eSPoul-Henning Kamp 	/* poll */	nopoll,
2204e2f199eSPoul-Henning Kamp 	/* mmap */	nommap,
2214e2f199eSPoul-Henning Kamp 	/* strategy */	nostrategy,
2224e2f199eSPoul-Henning Kamp 	/* name */	"ch",
2234e2f199eSPoul-Henning Kamp 	/* maj */	CH_CDEV_MAJOR,
2244e2f199eSPoul-Henning Kamp 	/* dump */	nodump,
2254e2f199eSPoul-Henning Kamp 	/* psize */	nopsize,
2264e2f199eSPoul-Henning Kamp 	/* flags */	0,
22776babe50SJustin T. Gibbs };
22876babe50SJustin T. Gibbs 
22976babe50SJustin T. Gibbs void
23076babe50SJustin T. Gibbs chinit(void)
23176babe50SJustin T. Gibbs {
23276babe50SJustin T. Gibbs 	cam_status status;
23376babe50SJustin T. Gibbs 	struct cam_path *path;
23476babe50SJustin T. Gibbs 
23576babe50SJustin T. Gibbs 	/*
23676babe50SJustin T. Gibbs 	 * Install a global async callback.  This callback will
23776babe50SJustin T. Gibbs 	 * receive async callbacks like "new device found".
23876babe50SJustin T. Gibbs 	 */
23976babe50SJustin T. Gibbs 	status = xpt_create_path(&path, /*periph*/NULL, CAM_XPT_PATH_ID,
24076babe50SJustin T. Gibbs 				 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD);
24176babe50SJustin T. Gibbs 
24276babe50SJustin T. Gibbs 	if (status == CAM_REQ_CMP) {
24376babe50SJustin T. Gibbs 		struct ccb_setasync csa;
24476babe50SJustin T. Gibbs 
24576babe50SJustin T. Gibbs                 xpt_setup_ccb(&csa.ccb_h, path, /*priority*/5);
24676babe50SJustin T. Gibbs                 csa.ccb_h.func_code = XPT_SASYNC_CB;
24776babe50SJustin T. Gibbs                 csa.event_enable = AC_FOUND_DEVICE;
24876babe50SJustin T. Gibbs                 csa.callback = chasync;
24976babe50SJustin T. Gibbs                 csa.callback_arg = NULL;
25076babe50SJustin T. Gibbs                 xpt_action((union ccb *)&csa);
25176babe50SJustin T. Gibbs 		status = csa.ccb_h.status;
25276babe50SJustin T. Gibbs                 xpt_free_path(path);
25376babe50SJustin T. Gibbs         }
25476babe50SJustin T. Gibbs 
25576babe50SJustin T. Gibbs 	if (status != CAM_REQ_CMP) {
25676babe50SJustin T. Gibbs 		printf("ch: Failed to attach master async callback "
25776babe50SJustin T. Gibbs 		       "due to status 0x%x!\n", status);
25876babe50SJustin T. Gibbs 	}
25976babe50SJustin T. Gibbs }
26076babe50SJustin T. Gibbs 
26176babe50SJustin T. Gibbs static void
262ee9c90c7SKenneth D. Merry choninvalidate(struct cam_periph *periph)
263ee9c90c7SKenneth D. Merry {
264ee9c90c7SKenneth D. Merry 	struct ch_softc *softc;
265ee9c90c7SKenneth D. Merry 	struct ccb_setasync csa;
266ee9c90c7SKenneth D. Merry 
267ee9c90c7SKenneth D. Merry 	softc = (struct ch_softc *)periph->softc;
268ee9c90c7SKenneth D. Merry 
269ee9c90c7SKenneth D. Merry 	/*
270ee9c90c7SKenneth D. Merry 	 * De-register any async callbacks.
271ee9c90c7SKenneth D. Merry 	 */
272ee9c90c7SKenneth D. Merry 	xpt_setup_ccb(&csa.ccb_h, periph->path,
273ee9c90c7SKenneth D. Merry 		      /* priority */ 5);
274ee9c90c7SKenneth D. Merry 	csa.ccb_h.func_code = XPT_SASYNC_CB;
275ee9c90c7SKenneth D. Merry 	csa.event_enable = 0;
276ee9c90c7SKenneth D. Merry 	csa.callback = chasync;
277ee9c90c7SKenneth D. Merry 	csa.callback_arg = periph;
278ee9c90c7SKenneth D. Merry 	xpt_action((union ccb *)&csa);
279ee9c90c7SKenneth D. Merry 
280ee9c90c7SKenneth D. Merry 	softc->flags |= CH_FLAG_INVALID;
281ee9c90c7SKenneth D. Merry 
282ee9c90c7SKenneth D. Merry 	xpt_print_path(periph->path);
283ee9c90c7SKenneth D. Merry 	printf("lost device\n");
284ee9c90c7SKenneth D. Merry 
285ee9c90c7SKenneth D. Merry }
286ee9c90c7SKenneth D. Merry 
287ee9c90c7SKenneth D. Merry static void
28876babe50SJustin T. Gibbs chcleanup(struct cam_periph *periph)
28976babe50SJustin T. Gibbs {
290ee9c90c7SKenneth D. Merry 	struct ch_softc *softc;
29176babe50SJustin T. Gibbs 
292ee9c90c7SKenneth D. Merry 	softc = (struct ch_softc *)periph->softc;
293ee9c90c7SKenneth D. Merry 
294ee9c90c7SKenneth D. Merry 	devstat_remove_entry(&softc->device_stats);
2952728bfbdSMatt Jacob 	destroy_dev(softc->dev);
29676babe50SJustin T. Gibbs 	xpt_print_path(periph->path);
29776babe50SJustin T. Gibbs 	printf("removing device entry\n");
298ee9c90c7SKenneth D. Merry 	free(softc, M_DEVBUF);
29976babe50SJustin T. Gibbs }
30076babe50SJustin T. Gibbs 
30176babe50SJustin T. Gibbs static void
30276babe50SJustin T. Gibbs chasync(void *callback_arg, u_int32_t code, struct cam_path *path, void *arg)
30376babe50SJustin T. Gibbs {
30476babe50SJustin T. Gibbs 	struct cam_periph *periph;
30576babe50SJustin T. Gibbs 
30676babe50SJustin T. Gibbs 	periph = (struct cam_periph *)callback_arg;
30776babe50SJustin T. Gibbs 
30876babe50SJustin T. Gibbs 	switch(code) {
30976babe50SJustin T. Gibbs 	case AC_FOUND_DEVICE:
31076babe50SJustin T. Gibbs 	{
31176babe50SJustin T. Gibbs 		struct ccb_getdev *cgd;
31276babe50SJustin T. Gibbs 		cam_status status;
31376babe50SJustin T. Gibbs 
31476babe50SJustin T. Gibbs 		cgd = (struct ccb_getdev *)arg;
315c5ff3b2fSMatt Jacob 		if (cgd == NULL)
316c5ff3b2fSMatt Jacob 			break;
31776babe50SJustin T. Gibbs 
31810b6172aSMatt Jacob 		if (SID_TYPE(&cgd->inq_data)!= T_CHANGER)
31976babe50SJustin T. Gibbs 			break;
32076babe50SJustin T. Gibbs 
32176babe50SJustin T. Gibbs 		/*
32276babe50SJustin T. Gibbs 		 * Allocate a peripheral instance for
32376babe50SJustin T. Gibbs 		 * this device and start the probe
32476babe50SJustin T. Gibbs 		 * process.
32576babe50SJustin T. Gibbs 		 */
326ee9c90c7SKenneth D. Merry 		status = cam_periph_alloc(chregister, choninvalidate,
327ee9c90c7SKenneth D. Merry 					  chcleanup, chstart, "ch",
328ee9c90c7SKenneth D. Merry 					  CAM_PERIPH_BIO, cgd->ccb_h.path,
32976babe50SJustin T. Gibbs 					  chasync, AC_FOUND_DEVICE, cgd);
33076babe50SJustin T. Gibbs 
33176babe50SJustin T. Gibbs 		if (status != CAM_REQ_CMP
33276babe50SJustin T. Gibbs 		 && status != CAM_REQ_INPROG)
33376babe50SJustin T. Gibbs 			printf("chasync: Unable to probe new device "
33476babe50SJustin T. Gibbs 			       "due to status 0x%x\n", status);
33576babe50SJustin T. Gibbs 
33676babe50SJustin T. Gibbs 		break;
33776babe50SJustin T. Gibbs 
33876babe50SJustin T. Gibbs 	}
33976babe50SJustin T. Gibbs 	default:
340516871c6SJustin T. Gibbs 		cam_periph_async(periph, code, path, arg);
34176babe50SJustin T. Gibbs 		break;
34276babe50SJustin T. Gibbs 	}
34376babe50SJustin T. Gibbs }
34476babe50SJustin T. Gibbs 
34576babe50SJustin T. Gibbs static cam_status
34676babe50SJustin T. Gibbs chregister(struct cam_periph *periph, void *arg)
34776babe50SJustin T. Gibbs {
34876babe50SJustin T. Gibbs 	struct ch_softc *softc;
34976babe50SJustin T. Gibbs 	struct ccb_setasync csa;
35076babe50SJustin T. Gibbs 	struct ccb_getdev *cgd;
35176babe50SJustin T. Gibbs 
35276babe50SJustin T. Gibbs 	cgd = (struct ccb_getdev *)arg;
35376babe50SJustin T. Gibbs 	if (periph == NULL) {
35476babe50SJustin T. Gibbs 		printf("chregister: periph was NULL!!\n");
35576babe50SJustin T. Gibbs 		return(CAM_REQ_CMP_ERR);
35676babe50SJustin T. Gibbs 	}
35776babe50SJustin T. Gibbs 
35876babe50SJustin T. Gibbs 	if (cgd == NULL) {
35976babe50SJustin T. Gibbs 		printf("chregister: no getdev CCB, can't register device\n");
36076babe50SJustin T. Gibbs 		return(CAM_REQ_CMP_ERR);
36176babe50SJustin T. Gibbs 	}
36276babe50SJustin T. Gibbs 
36376babe50SJustin T. Gibbs 	softc = (struct ch_softc *)malloc(sizeof(*softc),M_DEVBUF,M_NOWAIT);
36476babe50SJustin T. Gibbs 
36576babe50SJustin T. Gibbs 	if (softc == NULL) {
36676babe50SJustin T. Gibbs 		printf("chregister: Unable to probe new device. "
36776babe50SJustin T. Gibbs 		       "Unable to allocate softc\n");
36876babe50SJustin T. Gibbs 		return(CAM_REQ_CMP_ERR);
36976babe50SJustin T. Gibbs 	}
37076babe50SJustin T. Gibbs 
37176babe50SJustin T. Gibbs 	bzero(softc, sizeof(*softc));
37276babe50SJustin T. Gibbs 	softc->state = CH_STATE_PROBE;
37376babe50SJustin T. Gibbs 	periph->softc = softc;
374696db222SKenneth D. Merry 	softc->quirks = CH_Q_NONE;
37576babe50SJustin T. Gibbs 
37676babe50SJustin T. Gibbs 	/*
37776babe50SJustin T. Gibbs 	 * Changers don't have a blocksize, and obviously don't support
37876babe50SJustin T. Gibbs 	 * tagged queueing.
37976babe50SJustin T. Gibbs 	 */
38076babe50SJustin T. Gibbs 	devstat_add_entry(&softc->device_stats, "ch",
38176babe50SJustin T. Gibbs 			  periph->unit_number, 0,
38276babe50SJustin T. Gibbs 			  DEVSTAT_NO_BLOCKSIZE | DEVSTAT_NO_ORDERED_TAGS,
38310b6172aSMatt Jacob 			  SID_TYPE(&cgd->inq_data)| DEVSTAT_TYPE_IF_SCSI,
3842a888f93SKenneth D. Merry 			  DEVSTAT_PRIORITY_OTHER);
38576babe50SJustin T. Gibbs 
3862728bfbdSMatt Jacob 	/* Register the device */
3872728bfbdSMatt Jacob 	softc->dev = make_dev(&ch_cdevsw, periph->unit_number, UID_ROOT,
3882728bfbdSMatt Jacob 			      GID_OPERATOR, 0600, "%s%d", periph->periph_name,
3892728bfbdSMatt Jacob 			      periph->unit_number);
390e2a5fdf9SNate Lawson 	softc->dev->si_drv1 = periph;
3912728bfbdSMatt Jacob 
39276babe50SJustin T. Gibbs 	/*
39376babe50SJustin T. Gibbs 	 * Add an async callback so that we get
39476babe50SJustin T. Gibbs 	 * notified if this device goes away.
39576babe50SJustin T. Gibbs 	 */
39676babe50SJustin T. Gibbs 	xpt_setup_ccb(&csa.ccb_h, periph->path, /* priority */ 5);
39776babe50SJustin T. Gibbs 	csa.ccb_h.func_code = XPT_SASYNC_CB;
39876babe50SJustin T. Gibbs 	csa.event_enable = AC_LOST_DEVICE;
39976babe50SJustin T. Gibbs 	csa.callback = chasync;
40076babe50SJustin T. Gibbs 	csa.callback_arg = periph;
40176babe50SJustin T. Gibbs 	xpt_action((union ccb *)&csa);
40276babe50SJustin T. Gibbs 
40376babe50SJustin T. Gibbs 	/*
40476babe50SJustin T. Gibbs 	 * Lock this peripheral until we are setup.
40576babe50SJustin T. Gibbs 	 * This first call can't block
40676babe50SJustin T. Gibbs 	 */
40776babe50SJustin T. Gibbs 	(void)cam_periph_lock(periph, PRIBIO);
40876babe50SJustin T. Gibbs 	xpt_schedule(periph, /*priority*/5);
40976babe50SJustin T. Gibbs 
41076babe50SJustin T. Gibbs 	return(CAM_REQ_CMP);
41176babe50SJustin T. Gibbs }
41276babe50SJustin T. Gibbs 
41376babe50SJustin T. Gibbs static int
414b40ce416SJulian Elischer chopen(dev_t dev, int flags, int fmt, struct thread *td)
41576babe50SJustin T. Gibbs {
41676babe50SJustin T. Gibbs 	struct cam_periph *periph;
41776babe50SJustin T. Gibbs 	struct ch_softc *softc;
418e2a5fdf9SNate Lawson 	int error;
419ee9c90c7SKenneth D. Merry 	int s;
42076babe50SJustin T. Gibbs 
421e2a5fdf9SNate Lawson 	periph = (struct cam_periph *)dev->si_drv1;
42276babe50SJustin T. Gibbs 	if (periph == NULL)
42376babe50SJustin T. Gibbs 		return(ENXIO);
42476babe50SJustin T. Gibbs 
42576babe50SJustin T. Gibbs 	softc = (struct ch_softc *)periph->softc;
42676babe50SJustin T. Gibbs 
427ee9c90c7SKenneth D. Merry 	s = splsoftcam();
428ee9c90c7SKenneth D. Merry 	if (softc->flags & CH_FLAG_INVALID) {
429ee9c90c7SKenneth D. Merry 		splx(s);
43076babe50SJustin T. Gibbs 		return(ENXIO);
431ee9c90c7SKenneth D. Merry 	}
43276babe50SJustin T. Gibbs 
43322b9c86cSKenneth D. Merry 	if ((error = cam_periph_lock(periph, PRIBIO | PCATCH)) != 0) {
43422b9c86cSKenneth D. Merry 		splx(s);
43576babe50SJustin T. Gibbs 		return (error);
43622b9c86cSKenneth D. Merry 	}
43722b9c86cSKenneth D. Merry 
43822b9c86cSKenneth D. Merry 	splx(s);
43976babe50SJustin T. Gibbs 
44076babe50SJustin T. Gibbs 	if ((softc->flags & CH_FLAG_OPEN) == 0) {
44176babe50SJustin T. Gibbs 		if (cam_periph_acquire(periph) != CAM_REQ_CMP)
44276babe50SJustin T. Gibbs 			return(ENXIO);
44376babe50SJustin T. Gibbs 		softc->flags |= CH_FLAG_OPEN;
44476babe50SJustin T. Gibbs 	}
44576babe50SJustin T. Gibbs 
44676babe50SJustin T. Gibbs 	/*
44776babe50SJustin T. Gibbs 	 * Load information about this changer device into the softc.
44876babe50SJustin T. Gibbs 	 */
44976babe50SJustin T. Gibbs 	if ((error = chgetparams(periph)) != 0) {
45076babe50SJustin T. Gibbs 		softc->flags &= ~CH_FLAG_OPEN;
45176babe50SJustin T. Gibbs 		cam_periph_unlock(periph);
45276babe50SJustin T. Gibbs 		cam_periph_release(periph);
45376babe50SJustin T. Gibbs 		return(error);
45476babe50SJustin T. Gibbs 	}
45576babe50SJustin T. Gibbs 
45676babe50SJustin T. Gibbs 	cam_periph_unlock(periph);
45776babe50SJustin T. Gibbs 
45876babe50SJustin T. Gibbs 	return(error);
45976babe50SJustin T. Gibbs }
46076babe50SJustin T. Gibbs 
46176babe50SJustin T. Gibbs static int
462b40ce416SJulian Elischer chclose(dev_t dev, int flag, int fmt, struct thread *td)
46376babe50SJustin T. Gibbs {
46476babe50SJustin T. Gibbs 	struct	cam_periph *periph;
46576babe50SJustin T. Gibbs 	struct	ch_softc *softc;
466e2a5fdf9SNate Lawson 	int	error;
46776babe50SJustin T. Gibbs 
46876babe50SJustin T. Gibbs 	error = 0;
46976babe50SJustin T. Gibbs 
470e2a5fdf9SNate Lawson 	periph = (struct cam_periph *)dev->si_drv1;
47176babe50SJustin T. Gibbs 	if (periph == NULL)
47276babe50SJustin T. Gibbs 		return(ENXIO);
47376babe50SJustin T. Gibbs 
47476babe50SJustin T. Gibbs 	softc = (struct ch_softc *)periph->softc;
47576babe50SJustin T. Gibbs 
47676babe50SJustin T. Gibbs 	if ((error = cam_periph_lock(periph, PRIBIO)) != 0)
47776babe50SJustin T. Gibbs 		return(error);
47876babe50SJustin T. Gibbs 
47976babe50SJustin T. Gibbs 	softc->flags &= ~CH_FLAG_OPEN;
48076babe50SJustin T. Gibbs 
48176babe50SJustin T. Gibbs 	cam_periph_unlock(periph);
48276babe50SJustin T. Gibbs 	cam_periph_release(periph);
48376babe50SJustin T. Gibbs 
48476babe50SJustin T. Gibbs 	return(0);
48576babe50SJustin T. Gibbs }
48676babe50SJustin T. Gibbs 
48776babe50SJustin T. Gibbs static void
48876babe50SJustin T. Gibbs chstart(struct cam_periph *periph, union ccb *start_ccb)
48976babe50SJustin T. Gibbs {
49076babe50SJustin T. Gibbs 	struct ch_softc *softc;
49176babe50SJustin T. Gibbs 	int s;
49276babe50SJustin T. Gibbs 
49376babe50SJustin T. Gibbs 	softc = (struct ch_softc *)periph->softc;
49476babe50SJustin T. Gibbs 
49576babe50SJustin T. Gibbs 	switch (softc->state) {
49676babe50SJustin T. Gibbs 	case CH_STATE_NORMAL:
49776babe50SJustin T. Gibbs 	{
49876babe50SJustin T. Gibbs 		s = splbio();
49976babe50SJustin T. Gibbs 		if (periph->immediate_priority <= periph->pinfo.priority){
50076babe50SJustin T. Gibbs 			start_ccb->ccb_h.ccb_state = CH_CCB_WAITING;
50176babe50SJustin T. Gibbs 
50276babe50SJustin T. Gibbs 			SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h,
50376babe50SJustin T. Gibbs 					  periph_links.sle);
50476babe50SJustin T. Gibbs 			periph->immediate_priority = CAM_PRIORITY_NONE;
50576babe50SJustin T. Gibbs 			splx(s);
50676babe50SJustin T. Gibbs 			wakeup(&periph->ccb_list);
50776babe50SJustin T. Gibbs 		} else
50876babe50SJustin T. Gibbs 			splx(s);
50976babe50SJustin T. Gibbs 		break;
51076babe50SJustin T. Gibbs 	}
51176babe50SJustin T. Gibbs 	case CH_STATE_PROBE:
51276babe50SJustin T. Gibbs 	{
513696db222SKenneth D. Merry 		int mode_buffer_len;
514696db222SKenneth D. Merry 		void *mode_buffer;
51576babe50SJustin T. Gibbs 
516696db222SKenneth D. Merry 		/*
517696db222SKenneth D. Merry 		 * Include the block descriptor when calculating the mode
518696db222SKenneth D. Merry 		 * buffer length,
519696db222SKenneth D. Merry 		 */
520696db222SKenneth D. Merry 		mode_buffer_len = sizeof(struct scsi_mode_header_6) +
521696db222SKenneth D. Merry 				  sizeof(struct scsi_mode_blk_desc) +
522696db222SKenneth D. Merry 				 sizeof(struct page_element_address_assignment);
52376babe50SJustin T. Gibbs 
524696db222SKenneth D. Merry 		mode_buffer = malloc(mode_buffer_len, M_TEMP, M_NOWAIT);
525696db222SKenneth D. Merry 
526696db222SKenneth D. Merry 		if (mode_buffer == NULL) {
52776babe50SJustin T. Gibbs 			printf("chstart: couldn't malloc mode sense data\n");
52876babe50SJustin T. Gibbs 			break;
52976babe50SJustin T. Gibbs 		}
530696db222SKenneth D. Merry 		bzero(mode_buffer, mode_buffer_len);
53176babe50SJustin T. Gibbs 
53276babe50SJustin T. Gibbs 		/*
53376babe50SJustin T. Gibbs 		 * Get the element address assignment page.
53476babe50SJustin T. Gibbs 		 */
53576babe50SJustin T. Gibbs 		scsi_mode_sense(&start_ccb->csio,
53676babe50SJustin T. Gibbs 				/* retries */ 1,
53776babe50SJustin T. Gibbs 				/* cbfcnp */ chdone,
53876babe50SJustin T. Gibbs 				/* tag_action */ MSG_SIMPLE_Q_TAG,
539696db222SKenneth D. Merry 				/* dbd */ (softc->quirks & CH_Q_NO_DBD) ?
540696db222SKenneth D. Merry 					FALSE : TRUE,
54176babe50SJustin T. Gibbs 				/* page_code */ SMS_PAGE_CTRL_CURRENT,
54276babe50SJustin T. Gibbs 				/* page */ CH_ELEMENT_ADDR_ASSIGN_PAGE,
543696db222SKenneth D. Merry 				/* param_buf */ (u_int8_t *)mode_buffer,
544696db222SKenneth D. Merry 				/* param_len */ mode_buffer_len,
54576babe50SJustin T. Gibbs 				/* sense_len */ SSD_FULL_SIZE,
54676babe50SJustin T. Gibbs 				/* timeout */ CH_TIMEOUT_MODE_SENSE);
54776babe50SJustin T. Gibbs 
54876babe50SJustin T. Gibbs 		start_ccb->ccb_h.ccb_bp = NULL;
54976babe50SJustin T. Gibbs 		start_ccb->ccb_h.ccb_state = CH_CCB_PROBE;
55076babe50SJustin T. Gibbs 		xpt_action(start_ccb);
55176babe50SJustin T. Gibbs 		break;
55276babe50SJustin T. Gibbs 	}
55376babe50SJustin T. Gibbs 	}
55476babe50SJustin T. Gibbs }
55576babe50SJustin T. Gibbs 
55676babe50SJustin T. Gibbs static void
55776babe50SJustin T. Gibbs chdone(struct cam_periph *periph, union ccb *done_ccb)
55876babe50SJustin T. Gibbs {
55976babe50SJustin T. Gibbs 	struct ch_softc *softc;
56076babe50SJustin T. Gibbs 	struct ccb_scsiio *csio;
56176babe50SJustin T. Gibbs 
56276babe50SJustin T. Gibbs 	softc = (struct ch_softc *)periph->softc;
56376babe50SJustin T. Gibbs 	csio = &done_ccb->csio;
56476babe50SJustin T. Gibbs 
56576babe50SJustin T. Gibbs 	switch(done_ccb->ccb_h.ccb_state) {
56676babe50SJustin T. Gibbs 	case CH_CCB_PROBE:
56776babe50SJustin T. Gibbs 	{
568696db222SKenneth D. Merry 		struct scsi_mode_header_6 *mode_header;
569696db222SKenneth D. Merry 		struct page_element_address_assignment *ea;
57076babe50SJustin T. Gibbs 		char announce_buf[80];
57176babe50SJustin T. Gibbs 
572696db222SKenneth D. Merry 
573696db222SKenneth D. Merry 		mode_header = (struct scsi_mode_header_6 *)csio->data_ptr;
574696db222SKenneth D. Merry 
575696db222SKenneth D. Merry 		ea = (struct page_element_address_assignment *)
576696db222SKenneth D. Merry 			find_mode_page_6(mode_header);
57776babe50SJustin T. Gibbs 
57876babe50SJustin T. Gibbs 		if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP){
57976babe50SJustin T. Gibbs 
580696db222SKenneth D. Merry 			softc->sc_firsts[CHET_MT] = scsi_2btoul(ea->mtea);
581696db222SKenneth D. Merry 			softc->sc_counts[CHET_MT] = scsi_2btoul(ea->nmte);
582696db222SKenneth D. Merry 			softc->sc_firsts[CHET_ST] = scsi_2btoul(ea->fsea);
583696db222SKenneth D. Merry 			softc->sc_counts[CHET_ST] = scsi_2btoul(ea->nse);
584696db222SKenneth D. Merry 			softc->sc_firsts[CHET_IE] = scsi_2btoul(ea->fieea);
585696db222SKenneth D. Merry 			softc->sc_counts[CHET_IE] = scsi_2btoul(ea->niee);
586696db222SKenneth D. Merry 			softc->sc_firsts[CHET_DT] = scsi_2btoul(ea->fdtea);
587696db222SKenneth D. Merry 			softc->sc_counts[CHET_DT] = scsi_2btoul(ea->ndte);
58876babe50SJustin T. Gibbs 			softc->sc_picker = softc->sc_firsts[CHET_MT];
58976babe50SJustin T. Gibbs 
59076babe50SJustin T. Gibbs #define PLURAL(c)	(c) == 1 ? "" : "s"
5912127f260SArchie Cobbs 			snprintf(announce_buf, sizeof(announce_buf),
5922127f260SArchie Cobbs 				"%d slot%s, %d drive%s, "
59376babe50SJustin T. Gibbs 				"%d picker%s, %d portal%s",
59476babe50SJustin T. Gibbs 		    		softc->sc_counts[CHET_ST],
59576babe50SJustin T. Gibbs 				PLURAL(softc->sc_counts[CHET_ST]),
59676babe50SJustin T. Gibbs 		    		softc->sc_counts[CHET_DT],
59776babe50SJustin T. Gibbs 				PLURAL(softc->sc_counts[CHET_DT]),
59876babe50SJustin T. Gibbs 		    		softc->sc_counts[CHET_MT],
59976babe50SJustin T. Gibbs 				PLURAL(softc->sc_counts[CHET_MT]),
60076babe50SJustin T. Gibbs 		    		softc->sc_counts[CHET_IE],
60176babe50SJustin T. Gibbs 				PLURAL(softc->sc_counts[CHET_IE]));
60276babe50SJustin T. Gibbs #undef PLURAL
60376babe50SJustin T. Gibbs 		} else {
60476babe50SJustin T. Gibbs 			int error;
60576babe50SJustin T. Gibbs 
6063393f8daSKenneth D. Merry 			error = cherror(done_ccb, CAM_RETRY_SELTO,
6073393f8daSKenneth D. Merry 					SF_RETRY_UA | SF_NO_PRINT);
60876babe50SJustin T. Gibbs 			/*
60976babe50SJustin T. Gibbs 			 * Retry any UNIT ATTENTION type errors.  They
61076babe50SJustin T. Gibbs 			 * are expected at boot.
61176babe50SJustin T. Gibbs 			 */
61276babe50SJustin T. Gibbs 			if (error == ERESTART) {
61376babe50SJustin T. Gibbs 				/*
61476babe50SJustin T. Gibbs 				 * A retry was scheuled, so
61576babe50SJustin T. Gibbs 				 * just return.
61676babe50SJustin T. Gibbs 				 */
61776babe50SJustin T. Gibbs 				return;
61876babe50SJustin T. Gibbs 			} else if (error != 0) {
619696db222SKenneth D. Merry 				int retry_scheduled;
620696db222SKenneth D. Merry 				struct scsi_mode_sense_6 *sms;
621696db222SKenneth D. Merry 
622696db222SKenneth D. Merry 				sms = (struct scsi_mode_sense_6 *)
623696db222SKenneth D. Merry 					done_ccb->csio.cdb_io.cdb_bytes;
624696db222SKenneth D. Merry 
625696db222SKenneth D. Merry 				/*
626696db222SKenneth D. Merry 				 * Check to see if block descriptors were
627696db222SKenneth D. Merry 				 * disabled.  Some devices don't like that.
628696db222SKenneth D. Merry 				 * We're taking advantage of the fact that
629696db222SKenneth D. Merry 				 * the first few bytes of the 6 and 10 byte
630696db222SKenneth D. Merry 				 * mode sense commands are the same.  If
631696db222SKenneth D. Merry 				 * block descriptors were disabled, enable
632696db222SKenneth D. Merry 				 * them and re-send the command.
633696db222SKenneth D. Merry 				 */
634696db222SKenneth D. Merry 				if (sms->byte2 & SMS_DBD) {
635696db222SKenneth D. Merry 					sms->byte2 &= ~SMS_DBD;
636696db222SKenneth D. Merry 					xpt_action(done_ccb);
637696db222SKenneth D. Merry 					softc->quirks |= CH_Q_NO_DBD;
638696db222SKenneth D. Merry 					retry_scheduled = 1;
639696db222SKenneth D. Merry 				} else
640696db222SKenneth D. Merry 					retry_scheduled = 0;
641696db222SKenneth D. Merry 
64276babe50SJustin T. Gibbs 				/* Don't wedge this device's queue */
64376babe50SJustin T. Gibbs 				cam_release_devq(done_ccb->ccb_h.path,
64476babe50SJustin T. Gibbs 						 /*relsim_flags*/0,
64576babe50SJustin T. Gibbs 						 /*reduction*/0,
64676babe50SJustin T. Gibbs 						 /*timeout*/0,
64776babe50SJustin T. Gibbs 						 /*getcount_only*/0);
648696db222SKenneth D. Merry 
649696db222SKenneth D. Merry 				if (retry_scheduled)
650696db222SKenneth D. Merry 					return;
651696db222SKenneth D. Merry 
652696db222SKenneth D. Merry 				if ((done_ccb->ccb_h.status & CAM_STATUS_MASK)
653696db222SKenneth D. Merry 				    == CAM_SCSI_STATUS_ERROR)
654696db222SKenneth D. Merry 					scsi_sense_print(&done_ccb->csio);
655696db222SKenneth D. Merry 				else {
656696db222SKenneth D. Merry 					xpt_print_path(periph->path);
657696db222SKenneth D. Merry 					printf("got CAM status %#x\n",
658696db222SKenneth D. Merry 					       done_ccb->ccb_h.status);
659696db222SKenneth D. Merry 				}
660696db222SKenneth D. Merry 				xpt_print_path(periph->path);
661696db222SKenneth D. Merry 				printf("fatal error, failed to attach to"
662696db222SKenneth D. Merry 				       " device\n");
663696db222SKenneth D. Merry 
664696db222SKenneth D. Merry 				cam_periph_invalidate(periph);
665696db222SKenneth D. Merry 
666696db222SKenneth D. Merry 				announce_buf[0] = '\0';
66776babe50SJustin T. Gibbs 			}
66876babe50SJustin T. Gibbs 		}
669696db222SKenneth D. Merry 		if (announce_buf[0] != '\0')
67076babe50SJustin T. Gibbs 			xpt_announce_periph(periph, announce_buf);
67176babe50SJustin T. Gibbs 		softc->state = CH_STATE_NORMAL;
672696db222SKenneth D. Merry 		free(mode_header, M_TEMP);
673a68fce35SKenneth D. Merry 		/*
674a68fce35SKenneth D. Merry 		 * Since our peripheral may be invalidated by an error
675a68fce35SKenneth D. Merry 		 * above or an external event, we must release our CCB
676a68fce35SKenneth D. Merry 		 * before releasing the probe lock on the peripheral.
677a68fce35SKenneth D. Merry 		 * The peripheral will only go away once the last lock
678a68fce35SKenneth D. Merry 		 * is removed, and we need it around for the CCB release
679a68fce35SKenneth D. Merry 		 * operation.
680a68fce35SKenneth D. Merry 		 */
681a68fce35SKenneth D. Merry 		xpt_release_ccb(done_ccb);
68276babe50SJustin T. Gibbs 		cam_periph_unlock(periph);
683a68fce35SKenneth D. Merry 		return;
68476babe50SJustin T. Gibbs 	}
68576babe50SJustin T. Gibbs 	case CH_CCB_WAITING:
68676babe50SJustin T. Gibbs 	{
68776babe50SJustin T. Gibbs 		/* Caller will release the CCB */
68876babe50SJustin T. Gibbs 		wakeup(&done_ccb->ccb_h.cbfcnp);
68976babe50SJustin T. Gibbs 		return;
69076babe50SJustin T. Gibbs 	}
691a68fce35SKenneth D. Merry 	default:
692a68fce35SKenneth D. Merry 		break;
69376babe50SJustin T. Gibbs 	}
69476babe50SJustin T. Gibbs 	xpt_release_ccb(done_ccb);
69576babe50SJustin T. Gibbs }
69676babe50SJustin T. Gibbs 
69776babe50SJustin T. Gibbs static int
69876babe50SJustin T. Gibbs cherror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags)
69976babe50SJustin T. Gibbs {
70076babe50SJustin T. Gibbs 	struct ch_softc *softc;
70176babe50SJustin T. Gibbs 	struct cam_periph *periph;
70276babe50SJustin T. Gibbs 
70376babe50SJustin T. Gibbs 	periph = xpt_path_periph(ccb->ccb_h.path);
70476babe50SJustin T. Gibbs 	softc = (struct ch_softc *)periph->softc;
70576babe50SJustin T. Gibbs 
70676babe50SJustin T. Gibbs 	return (cam_periph_error(ccb, cam_flags, sense_flags,
70776babe50SJustin T. Gibbs 				 &softc->saved_ccb));
70876babe50SJustin T. Gibbs }
70976babe50SJustin T. Gibbs 
71076babe50SJustin T. Gibbs static int
711b40ce416SJulian Elischer chioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, struct thread *td)
71276babe50SJustin T. Gibbs {
71376babe50SJustin T. Gibbs 	struct cam_periph *periph;
71476babe50SJustin T. Gibbs 	struct ch_softc *softc;
71576babe50SJustin T. Gibbs 	int error;
71676babe50SJustin T. Gibbs 
717e2a5fdf9SNate Lawson 	periph = (struct cam_periph *)dev->si_drv1;
71876babe50SJustin T. Gibbs 	if (periph == NULL)
71976babe50SJustin T. Gibbs 		return(ENXIO);
72076babe50SJustin T. Gibbs 
72176babe50SJustin T. Gibbs 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering chioctl\n"));
72276babe50SJustin T. Gibbs 
72376babe50SJustin T. Gibbs 	softc = (struct ch_softc *)periph->softc;
72476babe50SJustin T. Gibbs 
72576babe50SJustin T. Gibbs 	error = 0;
72676babe50SJustin T. Gibbs 
72776babe50SJustin T. Gibbs 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE,
7286326180fSKenneth D. Merry 		  ("trying to do ioctl %#lx\n", cmd));
72976babe50SJustin T. Gibbs 
73076babe50SJustin T. Gibbs 	/*
73176babe50SJustin T. Gibbs 	 * If this command can change the device's state, we must
73276babe50SJustin T. Gibbs 	 * have the device open for writing.
73376babe50SJustin T. Gibbs 	 */
73476babe50SJustin T. Gibbs 	switch (cmd) {
73576babe50SJustin T. Gibbs 	case CHIOGPICKER:
73676babe50SJustin T. Gibbs 	case CHIOGPARAMS:
73776babe50SJustin T. Gibbs 	case CHIOGSTATUS:
73876babe50SJustin T. Gibbs 		break;
73976babe50SJustin T. Gibbs 
74076babe50SJustin T. Gibbs 	default:
74176babe50SJustin T. Gibbs 		if ((flag & FWRITE) == 0)
74276babe50SJustin T. Gibbs 			return (EBADF);
74376babe50SJustin T. Gibbs 	}
74476babe50SJustin T. Gibbs 
74576babe50SJustin T. Gibbs 	switch (cmd) {
74676babe50SJustin T. Gibbs 	case CHIOMOVE:
74776babe50SJustin T. Gibbs 		error = chmove(periph, (struct changer_move *)addr);
74876babe50SJustin T. Gibbs 		break;
74976babe50SJustin T. Gibbs 
75076babe50SJustin T. Gibbs 	case CHIOEXCHANGE:
75176babe50SJustin T. Gibbs 		error = chexchange(periph, (struct changer_exchange *)addr);
75276babe50SJustin T. Gibbs 		break;
75376babe50SJustin T. Gibbs 
75476babe50SJustin T. Gibbs 	case CHIOPOSITION:
75576babe50SJustin T. Gibbs 		error = chposition(periph, (struct changer_position *)addr);
75676babe50SJustin T. Gibbs 		break;
75776babe50SJustin T. Gibbs 
75876babe50SJustin T. Gibbs 	case CHIOGPICKER:
75976babe50SJustin T. Gibbs 		*(int *)addr = softc->sc_picker - softc->sc_firsts[CHET_MT];
76076babe50SJustin T. Gibbs 		break;
76176babe50SJustin T. Gibbs 
76276babe50SJustin T. Gibbs 	case CHIOSPICKER:
76376babe50SJustin T. Gibbs 	{
76476babe50SJustin T. Gibbs 		int new_picker = *(int *)addr;
76576babe50SJustin T. Gibbs 
76676babe50SJustin T. Gibbs 		if (new_picker > (softc->sc_counts[CHET_MT] - 1))
76776babe50SJustin T. Gibbs 			return (EINVAL);
76876babe50SJustin T. Gibbs 		softc->sc_picker = softc->sc_firsts[CHET_MT] + new_picker;
76976babe50SJustin T. Gibbs 		break;
77076babe50SJustin T. Gibbs 	}
77176babe50SJustin T. Gibbs 	case CHIOGPARAMS:
77276babe50SJustin T. Gibbs 	{
77376babe50SJustin T. Gibbs 		struct changer_params *cp = (struct changer_params *)addr;
77476babe50SJustin T. Gibbs 
77576babe50SJustin T. Gibbs 		cp->cp_npickers = softc->sc_counts[CHET_MT];
77676babe50SJustin T. Gibbs 		cp->cp_nslots = softc->sc_counts[CHET_ST];
77776babe50SJustin T. Gibbs 		cp->cp_nportals = softc->sc_counts[CHET_IE];
77876babe50SJustin T. Gibbs 		cp->cp_ndrives = softc->sc_counts[CHET_DT];
77976babe50SJustin T. Gibbs 		break;
78076babe50SJustin T. Gibbs 	}
78176babe50SJustin T. Gibbs 	case CHIOIELEM:
78276babe50SJustin T. Gibbs 		error = chielem(periph, *(unsigned int *)addr);
78376babe50SJustin T. Gibbs 		break;
78476babe50SJustin T. Gibbs 
78576babe50SJustin T. Gibbs 	case CHIOGSTATUS:
78676babe50SJustin T. Gibbs 	{
78776babe50SJustin T. Gibbs 		error = chgetelemstatus(periph,
78876babe50SJustin T. Gibbs 			       (struct changer_element_status_request *) addr);
78976babe50SJustin T. Gibbs 		break;
79076babe50SJustin T. Gibbs 	}
79176babe50SJustin T. Gibbs 
79276babe50SJustin T. Gibbs 	case CHIOSETVOLTAG:
79376babe50SJustin T. Gibbs 	{
79476babe50SJustin T. Gibbs 		error = chsetvoltag(periph,
79576babe50SJustin T. Gibbs 				    (struct changer_set_voltag_request *) addr);
79676babe50SJustin T. Gibbs 		break;
79776babe50SJustin T. Gibbs 	}
79876babe50SJustin T. Gibbs 
79976babe50SJustin T. Gibbs 	/* Implement prevent/allow? */
80076babe50SJustin T. Gibbs 
80176babe50SJustin T. Gibbs 	default:
80276babe50SJustin T. Gibbs 		error = cam_periph_ioctl(periph, cmd, addr, cherror);
80376babe50SJustin T. Gibbs 		break;
80476babe50SJustin T. Gibbs 	}
80576babe50SJustin T. Gibbs 
80676babe50SJustin T. Gibbs 	return (error);
80776babe50SJustin T. Gibbs }
80876babe50SJustin T. Gibbs 
80976babe50SJustin T. Gibbs static int
81076babe50SJustin T. Gibbs chmove(struct cam_periph *periph, struct changer_move *cm)
81176babe50SJustin T. Gibbs {
81276babe50SJustin T. Gibbs 	struct ch_softc *softc;
81376babe50SJustin T. Gibbs 	u_int16_t fromelem, toelem;
81476babe50SJustin T. Gibbs 	union ccb *ccb;
81576babe50SJustin T. Gibbs 	int error;
81676babe50SJustin T. Gibbs 
81776babe50SJustin T. Gibbs 	error = 0;
81876babe50SJustin T. Gibbs 	softc = (struct ch_softc *)periph->softc;
81976babe50SJustin T. Gibbs 
82076babe50SJustin T. Gibbs 	/*
82176babe50SJustin T. Gibbs 	 * Check arguments.
82276babe50SJustin T. Gibbs 	 */
82376babe50SJustin T. Gibbs 	if ((cm->cm_fromtype > CHET_DT) || (cm->cm_totype > CHET_DT))
82476babe50SJustin T. Gibbs 		return (EINVAL);
82576babe50SJustin T. Gibbs 	if ((cm->cm_fromunit > (softc->sc_counts[cm->cm_fromtype] - 1)) ||
82676babe50SJustin T. Gibbs 	    (cm->cm_tounit > (softc->sc_counts[cm->cm_totype] - 1)))
82776babe50SJustin T. Gibbs 		return (ENODEV);
82876babe50SJustin T. Gibbs 
82976babe50SJustin T. Gibbs 	/*
83076babe50SJustin T. Gibbs 	 * Check the request against the changer's capabilities.
83176babe50SJustin T. Gibbs 	 */
83276babe50SJustin T. Gibbs 	if ((softc->sc_movemask[cm->cm_fromtype] & (1 << cm->cm_totype)) == 0)
83310fc9d90SJustin T. Gibbs 		return (ENODEV);
83476babe50SJustin T. Gibbs 
83576babe50SJustin T. Gibbs 	/*
83676babe50SJustin T. Gibbs 	 * Calculate the source and destination elements.
83776babe50SJustin T. Gibbs 	 */
83876babe50SJustin T. Gibbs 	fromelem = softc->sc_firsts[cm->cm_fromtype] + cm->cm_fromunit;
83976babe50SJustin T. Gibbs 	toelem = softc->sc_firsts[cm->cm_totype] + cm->cm_tounit;
84076babe50SJustin T. Gibbs 
84176babe50SJustin T. Gibbs 	ccb = cam_periph_getccb(periph, /*priority*/ 1);
84276babe50SJustin T. Gibbs 
84376babe50SJustin T. Gibbs 	scsi_move_medium(&ccb->csio,
84476babe50SJustin T. Gibbs 			 /* retries */ 1,
84576babe50SJustin T. Gibbs 			 /* cbfcnp */ chdone,
84676babe50SJustin T. Gibbs 			 /* tag_action */ MSG_SIMPLE_Q_TAG,
84776babe50SJustin T. Gibbs 			 /* tea */ softc->sc_picker,
84876babe50SJustin T. Gibbs 			 /* src */ fromelem,
84976babe50SJustin T. Gibbs 			 /* dst */ toelem,
85076babe50SJustin T. Gibbs 			 /* invert */ (cm->cm_flags & CM_INVERT) ? TRUE : FALSE,
85176babe50SJustin T. Gibbs 			 /* sense_len */ SSD_FULL_SIZE,
85276babe50SJustin T. Gibbs 			 /* timeout */ CH_TIMEOUT_MOVE_MEDIUM);
85376babe50SJustin T. Gibbs 
8543393f8daSKenneth D. Merry 	error = cam_periph_runccb(ccb, cherror, /*cam_flags*/CAM_RETRY_SELTO,
8553393f8daSKenneth D. Merry 				  /*sense_flags*/ SF_RETRY_UA,
85676babe50SJustin T. Gibbs 				  &softc->device_stats);
85776babe50SJustin T. Gibbs 
85876babe50SJustin T. Gibbs 	xpt_release_ccb(ccb);
85976babe50SJustin T. Gibbs 
86076babe50SJustin T. Gibbs 	return(error);
86176babe50SJustin T. Gibbs }
86276babe50SJustin T. Gibbs 
86376babe50SJustin T. Gibbs static int
86476babe50SJustin T. Gibbs chexchange(struct cam_periph *periph, struct changer_exchange *ce)
86576babe50SJustin T. Gibbs {
86676babe50SJustin T. Gibbs 	struct ch_softc *softc;
86776babe50SJustin T. Gibbs 	u_int16_t src, dst1, dst2;
86876babe50SJustin T. Gibbs 	union ccb *ccb;
86976babe50SJustin T. Gibbs 	int error;
87076babe50SJustin T. Gibbs 
87176babe50SJustin T. Gibbs 	error = 0;
87276babe50SJustin T. Gibbs 	softc = (struct ch_softc *)periph->softc;
87376babe50SJustin T. Gibbs 	/*
87476babe50SJustin T. Gibbs 	 * Check arguments.
87576babe50SJustin T. Gibbs 	 */
87676babe50SJustin T. Gibbs 	if ((ce->ce_srctype > CHET_DT) || (ce->ce_fdsttype > CHET_DT) ||
87776babe50SJustin T. Gibbs 	    (ce->ce_sdsttype > CHET_DT))
87876babe50SJustin T. Gibbs 		return (EINVAL);
87976babe50SJustin T. Gibbs 	if ((ce->ce_srcunit > (softc->sc_counts[ce->ce_srctype] - 1)) ||
88076babe50SJustin T. Gibbs 	    (ce->ce_fdstunit > (softc->sc_counts[ce->ce_fdsttype] - 1)) ||
88176babe50SJustin T. Gibbs 	    (ce->ce_sdstunit > (softc->sc_counts[ce->ce_sdsttype] - 1)))
88276babe50SJustin T. Gibbs 		return (ENODEV);
88376babe50SJustin T. Gibbs 
88476babe50SJustin T. Gibbs 	/*
88576babe50SJustin T. Gibbs 	 * Check the request against the changer's capabilities.
88676babe50SJustin T. Gibbs 	 */
88776babe50SJustin T. Gibbs 	if (((softc->sc_exchangemask[ce->ce_srctype] &
88876babe50SJustin T. Gibbs 	     (1 << ce->ce_fdsttype)) == 0) ||
88976babe50SJustin T. Gibbs 	    ((softc->sc_exchangemask[ce->ce_fdsttype] &
89076babe50SJustin T. Gibbs 	     (1 << ce->ce_sdsttype)) == 0))
89110fc9d90SJustin T. Gibbs 		return (ENODEV);
89276babe50SJustin T. Gibbs 
89376babe50SJustin T. Gibbs 	/*
89476babe50SJustin T. Gibbs 	 * Calculate the source and destination elements.
89576babe50SJustin T. Gibbs 	 */
89676babe50SJustin T. Gibbs 	src = softc->sc_firsts[ce->ce_srctype] + ce->ce_srcunit;
89776babe50SJustin T. Gibbs 	dst1 = softc->sc_firsts[ce->ce_fdsttype] + ce->ce_fdstunit;
89876babe50SJustin T. Gibbs 	dst2 = softc->sc_firsts[ce->ce_sdsttype] + ce->ce_sdstunit;
89976babe50SJustin T. Gibbs 
90076babe50SJustin T. Gibbs 	ccb = cam_periph_getccb(periph, /*priority*/ 1);
90176babe50SJustin T. Gibbs 
90276babe50SJustin T. Gibbs 	scsi_exchange_medium(&ccb->csio,
90376babe50SJustin T. Gibbs 			     /* retries */ 1,
90476babe50SJustin T. Gibbs 			     /* cbfcnp */ chdone,
90576babe50SJustin T. Gibbs 			     /* tag_action */ MSG_SIMPLE_Q_TAG,
90676babe50SJustin T. Gibbs 			     /* tea */ softc->sc_picker,
90776babe50SJustin T. Gibbs 			     /* src */ src,
90876babe50SJustin T. Gibbs 			     /* dst1 */ dst1,
90976babe50SJustin T. Gibbs 			     /* dst2 */ dst2,
91076babe50SJustin T. Gibbs 			     /* invert1 */ (ce->ce_flags & CE_INVERT1) ?
91176babe50SJustin T. Gibbs 			                   TRUE : FALSE,
91276babe50SJustin T. Gibbs 			     /* invert2 */ (ce->ce_flags & CE_INVERT2) ?
91376babe50SJustin T. Gibbs 			                   TRUE : FALSE,
91476babe50SJustin T. Gibbs 			     /* sense_len */ SSD_FULL_SIZE,
91576babe50SJustin T. Gibbs 			     /* timeout */ CH_TIMEOUT_EXCHANGE_MEDIUM);
91676babe50SJustin T. Gibbs 
9173393f8daSKenneth D. Merry 	error = cam_periph_runccb(ccb, cherror, /*cam_flags*/CAM_RETRY_SELTO,
9183393f8daSKenneth D. Merry 				  /*sense_flags*/ SF_RETRY_UA,
91976babe50SJustin T. Gibbs 				  &softc->device_stats);
92076babe50SJustin T. Gibbs 
92176babe50SJustin T. Gibbs 	xpt_release_ccb(ccb);
92276babe50SJustin T. Gibbs 
92376babe50SJustin T. Gibbs 	return(error);
92476babe50SJustin T. Gibbs }
92576babe50SJustin T. Gibbs 
92676babe50SJustin T. Gibbs static int
92776babe50SJustin T. Gibbs chposition(struct cam_periph *periph, struct changer_position *cp)
92876babe50SJustin T. Gibbs {
92976babe50SJustin T. Gibbs 	struct ch_softc *softc;
93076babe50SJustin T. Gibbs 	u_int16_t dst;
93176babe50SJustin T. Gibbs 	union ccb *ccb;
93276babe50SJustin T. Gibbs 	int error;
93376babe50SJustin T. Gibbs 
93476babe50SJustin T. Gibbs 	error = 0;
93576babe50SJustin T. Gibbs 	softc = (struct ch_softc *)periph->softc;
93676babe50SJustin T. Gibbs 
93776babe50SJustin T. Gibbs 	/*
93876babe50SJustin T. Gibbs 	 * Check arguments.
93976babe50SJustin T. Gibbs 	 */
94076babe50SJustin T. Gibbs 	if (cp->cp_type > CHET_DT)
94176babe50SJustin T. Gibbs 		return (EINVAL);
94276babe50SJustin T. Gibbs 	if (cp->cp_unit > (softc->sc_counts[cp->cp_type] - 1))
94376babe50SJustin T. Gibbs 		return (ENODEV);
94476babe50SJustin T. Gibbs 
94576babe50SJustin T. Gibbs 	/*
94676babe50SJustin T. Gibbs 	 * Calculate the destination element.
94776babe50SJustin T. Gibbs 	 */
94876babe50SJustin T. Gibbs 	dst = softc->sc_firsts[cp->cp_type] + cp->cp_unit;
94976babe50SJustin T. Gibbs 
95076babe50SJustin T. Gibbs 	ccb = cam_periph_getccb(periph, /*priority*/ 1);
95176babe50SJustin T. Gibbs 
95276babe50SJustin T. Gibbs 	scsi_position_to_element(&ccb->csio,
95376babe50SJustin T. Gibbs 				 /* retries */ 1,
95476babe50SJustin T. Gibbs 				 /* cbfcnp */ chdone,
95576babe50SJustin T. Gibbs 				 /* tag_action */ MSG_SIMPLE_Q_TAG,
95676babe50SJustin T. Gibbs 				 /* tea */ softc->sc_picker,
95776babe50SJustin T. Gibbs 				 /* dst */ dst,
95876babe50SJustin T. Gibbs 				 /* invert */ (cp->cp_flags & CP_INVERT) ?
95976babe50SJustin T. Gibbs 					      TRUE : FALSE,
96076babe50SJustin T. Gibbs 				 /* sense_len */ SSD_FULL_SIZE,
96176babe50SJustin T. Gibbs 				 /* timeout */ CH_TIMEOUT_POSITION_TO_ELEMENT);
96276babe50SJustin T. Gibbs 
9633393f8daSKenneth D. Merry 	error = cam_periph_runccb(ccb, cherror, /*cam_flags*/ CAM_RETRY_SELTO,
9643393f8daSKenneth D. Merry 				  /*sense_flags*/ SF_RETRY_UA,
96576babe50SJustin T. Gibbs 				  &softc->device_stats);
96676babe50SJustin T. Gibbs 
96776babe50SJustin T. Gibbs 	xpt_release_ccb(ccb);
96876babe50SJustin T. Gibbs 
96976babe50SJustin T. Gibbs 	return(error);
97076babe50SJustin T. Gibbs }
97176babe50SJustin T. Gibbs 
97276babe50SJustin T. Gibbs /*
97376babe50SJustin T. Gibbs  * Copy a volume tag to a volume_tag struct, converting SCSI byte order
97476babe50SJustin T. Gibbs  * to host native byte order in the volume serial number.  The volume
97576babe50SJustin T. Gibbs  * label as returned by the changer is transferred to user mode as
97676babe50SJustin T. Gibbs  * nul-terminated string.  Volume labels are truncated at the first
97776babe50SJustin T. Gibbs  * space, as suggested by SCSI-2.
97876babe50SJustin T. Gibbs  */
97976babe50SJustin T. Gibbs static	void
98076babe50SJustin T. Gibbs copy_voltag(struct changer_voltag *uvoltag, struct volume_tag *voltag)
98176babe50SJustin T. Gibbs {
98276babe50SJustin T. Gibbs 	int i;
98376babe50SJustin T. Gibbs 	for (i=0; i<CH_VOLTAG_MAXLEN; i++) {
98476babe50SJustin T. Gibbs 		char c = voltag->vif[i];
98576babe50SJustin T. Gibbs 		if (c && c != ' ')
98676babe50SJustin T. Gibbs 			uvoltag->cv_volid[i] = c;
98776babe50SJustin T. Gibbs 	        else
98876babe50SJustin T. Gibbs 			break;
98976babe50SJustin T. Gibbs 	}
99076babe50SJustin T. Gibbs 	uvoltag->cv_serial = scsi_2btoul(voltag->vsn);
99176babe50SJustin T. Gibbs }
99276babe50SJustin T. Gibbs 
99376babe50SJustin T. Gibbs /*
99476babe50SJustin T. Gibbs  * Copy an an element status descriptor to a user-mode
99576babe50SJustin T. Gibbs  * changer_element_status structure.
99676babe50SJustin T. Gibbs  */
99776babe50SJustin T. Gibbs 
99876babe50SJustin T. Gibbs static	void
99976babe50SJustin T. Gibbs copy_element_status(struct ch_softc *softc,
100076babe50SJustin T. Gibbs 		    u_int16_t flags,
100176babe50SJustin T. Gibbs 		    struct read_element_status_descriptor *desc,
100276babe50SJustin T. Gibbs 		    struct changer_element_status *ces)
100376babe50SJustin T. Gibbs {
100476babe50SJustin T. Gibbs 	u_int16_t eaddr = scsi_2btoul(desc->eaddr);
100576babe50SJustin T. Gibbs 	u_int16_t et;
100676babe50SJustin T. Gibbs 
100776babe50SJustin T. Gibbs 	ces->ces_int_addr = eaddr;
100876babe50SJustin T. Gibbs 	/* set up logical address in element status */
100976babe50SJustin T. Gibbs 	for (et = CHET_MT; et <= CHET_DT; et++) {
101076babe50SJustin T. Gibbs 		if ((softc->sc_firsts[et] <= eaddr)
101176babe50SJustin T. Gibbs 		    && ((softc->sc_firsts[et] + softc->sc_counts[et])
101276babe50SJustin T. Gibbs 			> eaddr)) {
101376babe50SJustin T. Gibbs 			ces->ces_addr = eaddr - softc->sc_firsts[et];
101476babe50SJustin T. Gibbs 			ces->ces_type = et;
101576babe50SJustin T. Gibbs 			break;
101676babe50SJustin T. Gibbs 		}
101776babe50SJustin T. Gibbs 	}
101876babe50SJustin T. Gibbs 
101976babe50SJustin T. Gibbs 	ces->ces_flags = desc->flags1;
102076babe50SJustin T. Gibbs 
102176babe50SJustin T. Gibbs 	ces->ces_sensecode = desc->sense_code;
102276babe50SJustin T. Gibbs 	ces->ces_sensequal = desc->sense_qual;
102376babe50SJustin T. Gibbs 
102476babe50SJustin T. Gibbs 	if (desc->flags2 & READ_ELEMENT_STATUS_INVERT)
102576babe50SJustin T. Gibbs 		ces->ces_flags |= CES_INVERT;
102676babe50SJustin T. Gibbs 
102776babe50SJustin T. Gibbs 	if (desc->flags2 & READ_ELEMENT_STATUS_SVALID) {
102876babe50SJustin T. Gibbs 
102976babe50SJustin T. Gibbs 		eaddr = scsi_2btoul(desc->ssea);
103076babe50SJustin T. Gibbs 
103176babe50SJustin T. Gibbs 		/* convert source address to logical format */
103276babe50SJustin T. Gibbs 		for (et = CHET_MT; et <= CHET_DT; et++) {
103376babe50SJustin T. Gibbs 			if ((softc->sc_firsts[et] <= eaddr)
103476babe50SJustin T. Gibbs 			    && ((softc->sc_firsts[et] + softc->sc_counts[et])
103576babe50SJustin T. Gibbs 				> eaddr)) {
103676babe50SJustin T. Gibbs 				ces->ces_source_addr =
103776babe50SJustin T. Gibbs 					eaddr - softc->sc_firsts[et];
103876babe50SJustin T. Gibbs 				ces->ces_source_type = et;
103976babe50SJustin T. Gibbs 				ces->ces_flags |= CES_SOURCE_VALID;
104076babe50SJustin T. Gibbs 				break;
104176babe50SJustin T. Gibbs 			}
104276babe50SJustin T. Gibbs 		}
104376babe50SJustin T. Gibbs 
104476babe50SJustin T. Gibbs 		if (!(ces->ces_flags & CES_SOURCE_VALID))
104576babe50SJustin T. Gibbs 			printf("ch: warning: could not map element source "
1046a68fce35SKenneth D. Merry 			       "address %ud to a valid element type\n",
104776babe50SJustin T. Gibbs 			       eaddr);
104876babe50SJustin T. Gibbs 	}
104976babe50SJustin T. Gibbs 
105076babe50SJustin T. Gibbs 
105176babe50SJustin T. Gibbs 	if (flags & READ_ELEMENT_STATUS_PVOLTAG)
105276babe50SJustin T. Gibbs 		copy_voltag(&(ces->ces_pvoltag), &(desc->pvoltag));
105376babe50SJustin T. Gibbs 	if (flags & READ_ELEMENT_STATUS_AVOLTAG)
105476babe50SJustin T. Gibbs 		copy_voltag(&(ces->ces_avoltag), &(desc->avoltag));
105576babe50SJustin T. Gibbs 
105676babe50SJustin T. Gibbs 	if (desc->dt_scsi_flags & READ_ELEMENT_STATUS_DT_IDVALID) {
105776babe50SJustin T. Gibbs 		ces->ces_flags |= CES_SCSIID_VALID;
105876babe50SJustin T. Gibbs 		ces->ces_scsi_id = desc->dt_scsi_addr;
105976babe50SJustin T. Gibbs 	}
106076babe50SJustin T. Gibbs 
106176babe50SJustin T. Gibbs 	if (desc->dt_scsi_addr & READ_ELEMENT_STATUS_DT_LUVALID) {
106276babe50SJustin T. Gibbs 		ces->ces_flags |= CES_LUN_VALID;
106376babe50SJustin T. Gibbs 		ces->ces_scsi_lun =
106476babe50SJustin T. Gibbs 			desc->dt_scsi_flags & READ_ELEMENT_STATUS_DT_LUNMASK;
106576babe50SJustin T. Gibbs 	}
106676babe50SJustin T. Gibbs }
106776babe50SJustin T. Gibbs 
106876babe50SJustin T. Gibbs static int
106976babe50SJustin T. Gibbs chgetelemstatus(struct cam_periph *periph,
107076babe50SJustin T. Gibbs 		struct changer_element_status_request *cesr)
107176babe50SJustin T. Gibbs {
107276babe50SJustin T. Gibbs 	struct read_element_status_header *st_hdr;
107376babe50SJustin T. Gibbs 	struct read_element_status_page_header *pg_hdr;
107476babe50SJustin T. Gibbs 	struct read_element_status_descriptor *desc;
107576babe50SJustin T. Gibbs 	caddr_t data = NULL;
107676babe50SJustin T. Gibbs 	size_t size, desclen;
107776babe50SJustin T. Gibbs 	int avail, i, error = 0;
107876babe50SJustin T. Gibbs 	struct changer_element_status *user_data = NULL;
107976babe50SJustin T. Gibbs 	struct ch_softc *softc;
108076babe50SJustin T. Gibbs 	union ccb *ccb;
108176babe50SJustin T. Gibbs 	int chet = cesr->cesr_element_type;
108276babe50SJustin T. Gibbs 	int want_voltags = (cesr->cesr_flags & CESR_VOLTAGS) ? 1 : 0;
108376babe50SJustin T. Gibbs 
108476babe50SJustin T. Gibbs 	softc = (struct ch_softc *)periph->softc;
108576babe50SJustin T. Gibbs 
108676babe50SJustin T. Gibbs 	/* perform argument checking */
108776babe50SJustin T. Gibbs 
108876babe50SJustin T. Gibbs 	/*
108976babe50SJustin T. Gibbs 	 * Perform a range check on the cesr_element_{base,count}
109076babe50SJustin T. Gibbs 	 * request argument fields.
109176babe50SJustin T. Gibbs 	 */
109276babe50SJustin T. Gibbs 	if ((softc->sc_counts[chet] - cesr->cesr_element_base) <= 0
109376babe50SJustin T. Gibbs 	    || (cesr->cesr_element_base + cesr->cesr_element_count)
109476babe50SJustin T. Gibbs 	        > softc->sc_counts[chet])
109576babe50SJustin T. Gibbs 		return (EINVAL);
109676babe50SJustin T. Gibbs 
109776babe50SJustin T. Gibbs 	/*
109876babe50SJustin T. Gibbs 	 * Request one descriptor for the given element type.  This
109976babe50SJustin T. Gibbs 	 * is used to determine the size of the descriptor so that
110076babe50SJustin T. Gibbs 	 * we can allocate enough storage for all of them.  We assume
110176babe50SJustin T. Gibbs 	 * that the first one can fit into 1k.
110276babe50SJustin T. Gibbs 	 */
110376babe50SJustin T. Gibbs 	data = (caddr_t)malloc(1024, M_DEVBUF, M_WAITOK);
110476babe50SJustin T. Gibbs 
110576babe50SJustin T. Gibbs 	ccb = cam_periph_getccb(periph, /*priority*/ 1);
110676babe50SJustin T. Gibbs 
110776babe50SJustin T. Gibbs 	scsi_read_element_status(&ccb->csio,
110876babe50SJustin T. Gibbs 				 /* retries */ 1,
110976babe50SJustin T. Gibbs 				 /* cbfcnp */ chdone,
111076babe50SJustin T. Gibbs 				 /* tag_action */ MSG_SIMPLE_Q_TAG,
111176babe50SJustin T. Gibbs 				 /* voltag */ want_voltags,
111276babe50SJustin T. Gibbs 				 /* sea */ softc->sc_firsts[chet],
111376babe50SJustin T. Gibbs 				 /* count */ 1,
111476babe50SJustin T. Gibbs 				 /* data_ptr */ data,
111576babe50SJustin T. Gibbs 				 /* dxfer_len */ 1024,
111676babe50SJustin T. Gibbs 				 /* sense_len */ SSD_FULL_SIZE,
111776babe50SJustin T. Gibbs 				 /* timeout */ CH_TIMEOUT_READ_ELEMENT_STATUS);
111876babe50SJustin T. Gibbs 
11193393f8daSKenneth D. Merry 	error = cam_periph_runccb(ccb, cherror, /*cam_flags*/ CAM_RETRY_SELTO,
11203393f8daSKenneth D. Merry 				  /*sense_flags*/ SF_RETRY_UA,
112176babe50SJustin T. Gibbs 				  &softc->device_stats);
112276babe50SJustin T. Gibbs 
112376babe50SJustin T. Gibbs 	if (error)
112476babe50SJustin T. Gibbs 		goto done;
112576babe50SJustin T. Gibbs 
112676babe50SJustin T. Gibbs 	st_hdr = (struct read_element_status_header *)data;
11271195ae18SBruce Evans 	pg_hdr = (struct read_element_status_page_header *)((uintptr_t)st_hdr +
112876babe50SJustin T. Gibbs 		  sizeof(struct read_element_status_header));
112976babe50SJustin T. Gibbs 	desclen = scsi_2btoul(pg_hdr->edl);
113076babe50SJustin T. Gibbs 
113176babe50SJustin T. Gibbs 	size = sizeof(struct read_element_status_header) +
113276babe50SJustin T. Gibbs 	       sizeof(struct read_element_status_page_header) +
113376babe50SJustin T. Gibbs 	       (desclen * cesr->cesr_element_count);
113476babe50SJustin T. Gibbs 
113576babe50SJustin T. Gibbs 	/*
113676babe50SJustin T. Gibbs 	 * Reallocate storage for descriptors and get them from the
113776babe50SJustin T. Gibbs 	 * device.
113876babe50SJustin T. Gibbs 	 */
113976babe50SJustin T. Gibbs 	free(data, M_DEVBUF);
114076babe50SJustin T. Gibbs 	data = (caddr_t)malloc(size, M_DEVBUF, M_WAITOK);
114176babe50SJustin T. Gibbs 
114276babe50SJustin T. Gibbs 	scsi_read_element_status(&ccb->csio,
114376babe50SJustin T. Gibbs 				 /* retries */ 1,
114476babe50SJustin T. Gibbs 				 /* cbfcnp */ chdone,
114576babe50SJustin T. Gibbs 				 /* tag_action */ MSG_SIMPLE_Q_TAG,
114676babe50SJustin T. Gibbs 				 /* voltag */ want_voltags,
114776babe50SJustin T. Gibbs 				 /* sea */ softc->sc_firsts[chet]
114876babe50SJustin T. Gibbs 				 + cesr->cesr_element_base,
114976babe50SJustin T. Gibbs 				 /* count */ cesr->cesr_element_count,
115076babe50SJustin T. Gibbs 				 /* data_ptr */ data,
115176babe50SJustin T. Gibbs 				 /* dxfer_len */ size,
115276babe50SJustin T. Gibbs 				 /* sense_len */ SSD_FULL_SIZE,
115376babe50SJustin T. Gibbs 				 /* timeout */ CH_TIMEOUT_READ_ELEMENT_STATUS);
115476babe50SJustin T. Gibbs 
11553393f8daSKenneth D. Merry 	error = cam_periph_runccb(ccb, cherror, /*cam_flags*/ CAM_RETRY_SELTO,
11563393f8daSKenneth D. Merry 				  /*sense_flags*/ SF_RETRY_UA,
115776babe50SJustin T. Gibbs 				  &softc->device_stats);
115876babe50SJustin T. Gibbs 
115976babe50SJustin T. Gibbs 	if (error)
116076babe50SJustin T. Gibbs 		goto done;
116176babe50SJustin T. Gibbs 
116276babe50SJustin T. Gibbs 	/*
116376babe50SJustin T. Gibbs 	 * Fill in the user status array.
116476babe50SJustin T. Gibbs 	 */
116576babe50SJustin T. Gibbs 	st_hdr = (struct read_element_status_header *)data;
116676babe50SJustin T. Gibbs 	avail = scsi_2btoul(st_hdr->count);
116776babe50SJustin T. Gibbs 
116876babe50SJustin T. Gibbs 	if (avail != cesr->cesr_element_count) {
116976babe50SJustin T. Gibbs 		xpt_print_path(periph->path);
117076babe50SJustin T. Gibbs 		printf("warning, READ ELEMENT STATUS avail != count\n");
117176babe50SJustin T. Gibbs 	}
117276babe50SJustin T. Gibbs 
117376babe50SJustin T. Gibbs 	user_data = (struct changer_element_status *)
117476babe50SJustin T. Gibbs 		malloc(avail * sizeof(struct changer_element_status),
11755417ec4dSDavid Malone 		       M_DEVBUF, M_WAITOK | M_ZERO);
117676babe50SJustin T. Gibbs 
11771195ae18SBruce Evans 	desc = (struct read_element_status_descriptor *)((uintptr_t)data +
117876babe50SJustin T. Gibbs 		sizeof(struct read_element_status_header) +
117976babe50SJustin T. Gibbs 		sizeof(struct read_element_status_page_header));
118076babe50SJustin T. Gibbs 	/*
118176babe50SJustin T. Gibbs 	 * Set up the individual element status structures
118276babe50SJustin T. Gibbs 	 */
118376babe50SJustin T. Gibbs 	for (i = 0; i < avail; ++i) {
118476babe50SJustin T. Gibbs 		struct changer_element_status *ces = &(user_data[i]);
118576babe50SJustin T. Gibbs 
118676babe50SJustin T. Gibbs 		copy_element_status(softc, pg_hdr->flags, desc, ces);
118776babe50SJustin T. Gibbs 
11881195ae18SBruce Evans 		desc = (struct read_element_status_descriptor *)
11891195ae18SBruce Evans 		       ((uintptr_t)desc + desclen);
119076babe50SJustin T. Gibbs 	}
119176babe50SJustin T. Gibbs 
119276babe50SJustin T. Gibbs 	/* Copy element status structures out to userspace. */
119376babe50SJustin T. Gibbs 	error = copyout(user_data,
119476babe50SJustin T. Gibbs 			cesr->cesr_element_status,
119576babe50SJustin T. Gibbs 			avail * sizeof(struct changer_element_status));
119676babe50SJustin T. Gibbs 
119776babe50SJustin T. Gibbs  done:
119876babe50SJustin T. Gibbs 	xpt_release_ccb(ccb);
119976babe50SJustin T. Gibbs 
120076babe50SJustin T. Gibbs 	if (data != NULL)
120176babe50SJustin T. Gibbs 		free(data, M_DEVBUF);
120276babe50SJustin T. Gibbs 	if (user_data != NULL)
120376babe50SJustin T. Gibbs 		free(user_data, M_DEVBUF);
120476babe50SJustin T. Gibbs 
120576babe50SJustin T. Gibbs 	return (error);
120676babe50SJustin T. Gibbs }
120776babe50SJustin T. Gibbs 
120876babe50SJustin T. Gibbs static int
120976babe50SJustin T. Gibbs chielem(struct cam_periph *periph,
121076babe50SJustin T. Gibbs 	unsigned int timeout)
121176babe50SJustin T. Gibbs {
121276babe50SJustin T. Gibbs 	union ccb *ccb;
121376babe50SJustin T. Gibbs 	struct ch_softc *softc;
121476babe50SJustin T. Gibbs 	int error;
121576babe50SJustin T. Gibbs 
121676babe50SJustin T. Gibbs 	if (!timeout) {
121776babe50SJustin T. Gibbs 		timeout = CH_TIMEOUT_INITIALIZE_ELEMENT_STATUS;
121876babe50SJustin T. Gibbs 	} else {
121976babe50SJustin T. Gibbs 		timeout *= 1000;
122076babe50SJustin T. Gibbs 	}
122176babe50SJustin T. Gibbs 
122276babe50SJustin T. Gibbs 	error = 0;
122376babe50SJustin T. Gibbs 	softc = (struct ch_softc *)periph->softc;
122476babe50SJustin T. Gibbs 
122576babe50SJustin T. Gibbs 	ccb = cam_periph_getccb(periph, /*priority*/ 1);
122676babe50SJustin T. Gibbs 
122776babe50SJustin T. Gibbs 	scsi_initialize_element_status(&ccb->csio,
122876babe50SJustin T. Gibbs 				      /* retries */ 1,
122976babe50SJustin T. Gibbs 				      /* cbfcnp */ chdone,
123076babe50SJustin T. Gibbs 				      /* tag_action */ MSG_SIMPLE_Q_TAG,
123176babe50SJustin T. Gibbs 				      /* sense_len */ SSD_FULL_SIZE,
123276babe50SJustin T. Gibbs 				      /* timeout */ timeout);
123376babe50SJustin T. Gibbs 
12343393f8daSKenneth D. Merry 	error = cam_periph_runccb(ccb, cherror, /*cam_flags*/ CAM_RETRY_SELTO,
12353393f8daSKenneth D. Merry 				  /*sense_flags*/ SF_RETRY_UA,
123676babe50SJustin T. Gibbs 				  &softc->device_stats);
123776babe50SJustin T. Gibbs 
123876babe50SJustin T. Gibbs 	xpt_release_ccb(ccb);
123976babe50SJustin T. Gibbs 
124076babe50SJustin T. Gibbs 	return(error);
124176babe50SJustin T. Gibbs }
124276babe50SJustin T. Gibbs 
124376babe50SJustin T. Gibbs static int
124476babe50SJustin T. Gibbs chsetvoltag(struct cam_periph *periph,
124576babe50SJustin T. Gibbs 	    struct changer_set_voltag_request *csvr)
124676babe50SJustin T. Gibbs {
124776babe50SJustin T. Gibbs 	union ccb *ccb;
124876babe50SJustin T. Gibbs 	struct ch_softc *softc;
124976babe50SJustin T. Gibbs 	u_int16_t ea;
125076babe50SJustin T. Gibbs 	u_int8_t sac;
125176babe50SJustin T. Gibbs 	struct scsi_send_volume_tag_parameters ssvtp;
125276babe50SJustin T. Gibbs 	int error;
125376babe50SJustin T. Gibbs 	int i;
125476babe50SJustin T. Gibbs 
125576babe50SJustin T. Gibbs 	error = 0;
125676babe50SJustin T. Gibbs 	softc = (struct ch_softc *)periph->softc;
125776babe50SJustin T. Gibbs 
125876babe50SJustin T. Gibbs 	bzero(&ssvtp, sizeof(ssvtp));
125976babe50SJustin T. Gibbs 	for (i=0; i<sizeof(ssvtp.vitf); i++) {
126076babe50SJustin T. Gibbs 		ssvtp.vitf[i] = ' ';
126176babe50SJustin T. Gibbs 	}
126276babe50SJustin T. Gibbs 
126376babe50SJustin T. Gibbs 	/*
126476babe50SJustin T. Gibbs 	 * Check arguments.
126576babe50SJustin T. Gibbs 	 */
126676babe50SJustin T. Gibbs 	if (csvr->csvr_type > CHET_DT)
126776babe50SJustin T. Gibbs 		return EINVAL;
126876babe50SJustin T. Gibbs 	if (csvr->csvr_addr > (softc->sc_counts[csvr->csvr_type] - 1))
126976babe50SJustin T. Gibbs 		return ENODEV;
127076babe50SJustin T. Gibbs 
127176babe50SJustin T. Gibbs 	ea = softc->sc_firsts[csvr->csvr_type] + csvr->csvr_addr;
127276babe50SJustin T. Gibbs 
127376babe50SJustin T. Gibbs 	if (csvr->csvr_flags & CSVR_ALTERNATE) {
127476babe50SJustin T. Gibbs 		switch (csvr->csvr_flags & CSVR_MODE_MASK) {
127576babe50SJustin T. Gibbs 		case CSVR_MODE_SET:
127676babe50SJustin T. Gibbs 			sac = SEND_VOLUME_TAG_ASSERT_ALTERNATE;
127776babe50SJustin T. Gibbs 			break;
127876babe50SJustin T. Gibbs 		case CSVR_MODE_REPLACE:
127976babe50SJustin T. Gibbs 			sac = SEND_VOLUME_TAG_REPLACE_ALTERNATE;
128076babe50SJustin T. Gibbs 			break;
128176babe50SJustin T. Gibbs 		case CSVR_MODE_CLEAR:
128276babe50SJustin T. Gibbs 			sac = SEND_VOLUME_TAG_UNDEFINED_ALTERNATE;
128376babe50SJustin T. Gibbs 			break;
128476babe50SJustin T. Gibbs 		default:
128576babe50SJustin T. Gibbs 			error = EINVAL;
128676babe50SJustin T. Gibbs 			goto out;
128776babe50SJustin T. Gibbs 		}
128876babe50SJustin T. Gibbs 	} else {
128976babe50SJustin T. Gibbs 		switch (csvr->csvr_flags & CSVR_MODE_MASK) {
129076babe50SJustin T. Gibbs 		case CSVR_MODE_SET:
129176babe50SJustin T. Gibbs 			sac = SEND_VOLUME_TAG_ASSERT_PRIMARY;
129276babe50SJustin T. Gibbs 			break;
129376babe50SJustin T. Gibbs 		case CSVR_MODE_REPLACE:
129476babe50SJustin T. Gibbs 			sac = SEND_VOLUME_TAG_REPLACE_PRIMARY;
129576babe50SJustin T. Gibbs 			break;
129676babe50SJustin T. Gibbs 		case CSVR_MODE_CLEAR:
129776babe50SJustin T. Gibbs 			sac = SEND_VOLUME_TAG_UNDEFINED_PRIMARY;
129876babe50SJustin T. Gibbs 			break;
129976babe50SJustin T. Gibbs 		default:
130076babe50SJustin T. Gibbs 			error = EINVAL;
130176babe50SJustin T. Gibbs 			goto out;
130276babe50SJustin T. Gibbs 		}
130376babe50SJustin T. Gibbs 	}
130476babe50SJustin T. Gibbs 
130576babe50SJustin T. Gibbs 	memcpy(ssvtp.vitf, csvr->csvr_voltag.cv_volid,
130676babe50SJustin T. Gibbs 	       min(strlen(csvr->csvr_voltag.cv_volid), sizeof(ssvtp.vitf)));
130776babe50SJustin T. Gibbs 	scsi_ulto2b(csvr->csvr_voltag.cv_serial, ssvtp.minvsn);
130876babe50SJustin T. Gibbs 
130976babe50SJustin T. Gibbs 	ccb = cam_periph_getccb(periph, /*priority*/ 1);
131076babe50SJustin T. Gibbs 
131176babe50SJustin T. Gibbs 	scsi_send_volume_tag(&ccb->csio,
131276babe50SJustin T. Gibbs 			     /* retries */ 1,
131376babe50SJustin T. Gibbs 			     /* cbfcnp */ chdone,
131476babe50SJustin T. Gibbs 			     /* tag_action */ MSG_SIMPLE_Q_TAG,
131576babe50SJustin T. Gibbs 			     /* element_address */ ea,
131676babe50SJustin T. Gibbs 			     /* send_action_code */ sac,
131776babe50SJustin T. Gibbs 			     /* parameters */ &ssvtp,
131876babe50SJustin T. Gibbs 			     /* sense_len */ SSD_FULL_SIZE,
131976babe50SJustin T. Gibbs 			     /* timeout */ CH_TIMEOUT_SEND_VOLTAG);
132076babe50SJustin T. Gibbs 
13213393f8daSKenneth D. Merry 	error = cam_periph_runccb(ccb, cherror, /*cam_flags*/ CAM_RETRY_SELTO,
13223393f8daSKenneth D. Merry 				  /*sense_flags*/ SF_RETRY_UA,
132376babe50SJustin T. Gibbs 				  &softc->device_stats);
132476babe50SJustin T. Gibbs 
132576babe50SJustin T. Gibbs 	xpt_release_ccb(ccb);
132676babe50SJustin T. Gibbs 
132776babe50SJustin T. Gibbs  out:
132876babe50SJustin T. Gibbs 	return error;
132976babe50SJustin T. Gibbs }
133076babe50SJustin T. Gibbs 
133176babe50SJustin T. Gibbs static int
133276babe50SJustin T. Gibbs chgetparams(struct cam_periph *periph)
133376babe50SJustin T. Gibbs {
133476babe50SJustin T. Gibbs 	union ccb *ccb;
133576babe50SJustin T. Gibbs 	struct ch_softc *softc;
1336696db222SKenneth D. Merry 	void *mode_buffer;
1337696db222SKenneth D. Merry 	int mode_buffer_len;
1338696db222SKenneth D. Merry 	struct page_element_address_assignment *ea;
1339696db222SKenneth D. Merry 	struct page_device_capabilities *cap;
1340696db222SKenneth D. Merry 	int error, from, dbd;
134176babe50SJustin T. Gibbs 	u_int8_t *moves, *exchanges;
134276babe50SJustin T. Gibbs 
134376babe50SJustin T. Gibbs 	error = 0;
134476babe50SJustin T. Gibbs 
134576babe50SJustin T. Gibbs 	softc = (struct ch_softc *)periph->softc;
134676babe50SJustin T. Gibbs 
134776babe50SJustin T. Gibbs 	ccb = cam_periph_getccb(periph, /*priority*/ 1);
134876babe50SJustin T. Gibbs 
1349696db222SKenneth D. Merry 	/*
1350696db222SKenneth D. Merry 	 * The scsi_mode_sense_data structure is just a convenience
1351696db222SKenneth D. Merry 	 * structure that allows us to easily calculate the worst-case
1352696db222SKenneth D. Merry 	 * storage size of the mode sense buffer.
1353696db222SKenneth D. Merry 	 */
1354696db222SKenneth D. Merry 	mode_buffer_len = sizeof(struct scsi_mode_sense_data);
1355696db222SKenneth D. Merry 
1356696db222SKenneth D. Merry 	mode_buffer = malloc(mode_buffer_len, M_TEMP, M_NOWAIT);
1357696db222SKenneth D. Merry 
1358696db222SKenneth D. Merry 	if (mode_buffer == NULL) {
135976babe50SJustin T. Gibbs 		printf("chgetparams: couldn't malloc mode sense data\n");
136076babe50SJustin T. Gibbs 		return(ENOSPC);
136176babe50SJustin T. Gibbs 	}
136276babe50SJustin T. Gibbs 
1363696db222SKenneth D. Merry 	bzero(mode_buffer, mode_buffer_len);
1364696db222SKenneth D. Merry 
1365696db222SKenneth D. Merry 	if (softc->quirks & CH_Q_NO_DBD)
1366696db222SKenneth D. Merry 		dbd = FALSE;
1367696db222SKenneth D. Merry 	else
1368696db222SKenneth D. Merry 		dbd = TRUE;
136976babe50SJustin T. Gibbs 
137076babe50SJustin T. Gibbs 	/*
137176babe50SJustin T. Gibbs 	 * Get the element address assignment page.
137276babe50SJustin T. Gibbs 	 */
137376babe50SJustin T. Gibbs 	scsi_mode_sense(&ccb->csio,
137476babe50SJustin T. Gibbs 			/* retries */ 1,
137576babe50SJustin T. Gibbs 			/* cbfcnp */ chdone,
137676babe50SJustin T. Gibbs 			/* tag_action */ MSG_SIMPLE_Q_TAG,
1377696db222SKenneth D. Merry 			/* dbd */ dbd,
137876babe50SJustin T. Gibbs 			/* page_code */ SMS_PAGE_CTRL_CURRENT,
137976babe50SJustin T. Gibbs 			/* page */ CH_ELEMENT_ADDR_ASSIGN_PAGE,
1380696db222SKenneth D. Merry 			/* param_buf */ (u_int8_t *)mode_buffer,
1381696db222SKenneth D. Merry 			/* param_len */ mode_buffer_len,
138276babe50SJustin T. Gibbs 			/* sense_len */ SSD_FULL_SIZE,
138376babe50SJustin T. Gibbs 			/* timeout */ CH_TIMEOUT_MODE_SENSE);
138476babe50SJustin T. Gibbs 
13853393f8daSKenneth D. Merry 	error = cam_periph_runccb(ccb, cherror, /*cam_flags*/ CAM_RETRY_SELTO,
13863393f8daSKenneth D. Merry 				  /* sense_flags */ SF_RETRY_UA|SF_NO_PRINT,
138776babe50SJustin T. Gibbs 				  &softc->device_stats);
138876babe50SJustin T. Gibbs 
138976babe50SJustin T. Gibbs 	if (error) {
1390696db222SKenneth D. Merry 		if (dbd) {
1391696db222SKenneth D. Merry 			struct scsi_mode_sense_6 *sms;
1392696db222SKenneth D. Merry 
1393696db222SKenneth D. Merry 			sms = (struct scsi_mode_sense_6 *)
1394696db222SKenneth D. Merry 				ccb->csio.cdb_io.cdb_bytes;
1395696db222SKenneth D. Merry 
1396696db222SKenneth D. Merry 			sms->byte2 &= ~SMS_DBD;
13973393f8daSKenneth D. Merry 			error = cam_periph_runccb(ccb, cherror,
13983393f8daSKenneth D. Merry 						  /*cam_flags*/ CAM_RETRY_SELTO,
13993393f8daSKenneth D. Merry 				  		  /*sense_flags*/ SF_RETRY_UA,
1400696db222SKenneth D. Merry 						  &softc->device_stats);
1401696db222SKenneth D. Merry 		} else {
1402696db222SKenneth D. Merry 			/*
1403696db222SKenneth D. Merry 			 * Since we disabled sense printing above, print
1404696db222SKenneth D. Merry 			 * out the sense here since we got an error.
1405696db222SKenneth D. Merry 			 */
1406696db222SKenneth D. Merry 			scsi_sense_print(&ccb->csio);
140776babe50SJustin T. Gibbs 		}
140876babe50SJustin T. Gibbs 
1409696db222SKenneth D. Merry 		if (error) {
1410696db222SKenneth D. Merry 			xpt_print_path(periph->path);
1411696db222SKenneth D. Merry 			printf("chgetparams: error getting element "
1412696db222SKenneth D. Merry 			       "address page\n");
1413696db222SKenneth D. Merry 			xpt_release_ccb(ccb);
1414696db222SKenneth D. Merry 			free(mode_buffer, M_TEMP);
1415696db222SKenneth D. Merry 			return(error);
1416696db222SKenneth D. Merry 		}
1417696db222SKenneth D. Merry 	}
141876babe50SJustin T. Gibbs 
1419696db222SKenneth D. Merry 	ea = (struct page_element_address_assignment *)
1420696db222SKenneth D. Merry 		find_mode_page_6((struct scsi_mode_header_6 *)mode_buffer);
1421696db222SKenneth D. Merry 
1422696db222SKenneth D. Merry 	softc->sc_firsts[CHET_MT] = scsi_2btoul(ea->mtea);
1423696db222SKenneth D. Merry 	softc->sc_counts[CHET_MT] = scsi_2btoul(ea->nmte);
1424696db222SKenneth D. Merry 	softc->sc_firsts[CHET_ST] = scsi_2btoul(ea->fsea);
1425696db222SKenneth D. Merry 	softc->sc_counts[CHET_ST] = scsi_2btoul(ea->nse);
1426696db222SKenneth D. Merry 	softc->sc_firsts[CHET_IE] = scsi_2btoul(ea->fieea);
1427696db222SKenneth D. Merry 	softc->sc_counts[CHET_IE] = scsi_2btoul(ea->niee);
1428696db222SKenneth D. Merry 	softc->sc_firsts[CHET_DT] = scsi_2btoul(ea->fdtea);
1429696db222SKenneth D. Merry 	softc->sc_counts[CHET_DT] = scsi_2btoul(ea->ndte);
1430696db222SKenneth D. Merry 
1431696db222SKenneth D. Merry 	bzero(mode_buffer, mode_buffer_len);
143276babe50SJustin T. Gibbs 
143376babe50SJustin T. Gibbs 	/*
143476babe50SJustin T. Gibbs 	 * Now get the device capabilities page.
143576babe50SJustin T. Gibbs 	 */
143676babe50SJustin T. Gibbs 	scsi_mode_sense(&ccb->csio,
143776babe50SJustin T. Gibbs 			/* retries */ 1,
143876babe50SJustin T. Gibbs 			/* cbfcnp */ chdone,
143976babe50SJustin T. Gibbs 			/* tag_action */ MSG_SIMPLE_Q_TAG,
1440696db222SKenneth D. Merry 			/* dbd */ dbd,
144176babe50SJustin T. Gibbs 			/* page_code */ SMS_PAGE_CTRL_CURRENT,
144276babe50SJustin T. Gibbs 			/* page */ CH_DEVICE_CAP_PAGE,
1443696db222SKenneth D. Merry 			/* param_buf */ (u_int8_t *)mode_buffer,
1444696db222SKenneth D. Merry 			/* param_len */ mode_buffer_len,
144576babe50SJustin T. Gibbs 			/* sense_len */ SSD_FULL_SIZE,
144676babe50SJustin T. Gibbs 			/* timeout */ CH_TIMEOUT_MODE_SENSE);
144776babe50SJustin T. Gibbs 
14483393f8daSKenneth D. Merry 	error = cam_periph_runccb(ccb, cherror, /*cam_flags*/ CAM_RETRY_SELTO,
14493393f8daSKenneth D. Merry 				  /* sense_flags */ SF_RETRY_UA | SF_NO_PRINT,
14503393f8daSKenneth D. Merry 				  &softc->device_stats);
145176babe50SJustin T. Gibbs 
1452696db222SKenneth D. Merry 	if (error) {
1453696db222SKenneth D. Merry 		if (dbd) {
1454696db222SKenneth D. Merry 			struct scsi_mode_sense_6 *sms;
1455696db222SKenneth D. Merry 
1456696db222SKenneth D. Merry 			sms = (struct scsi_mode_sense_6 *)
1457696db222SKenneth D. Merry 				ccb->csio.cdb_io.cdb_bytes;
1458696db222SKenneth D. Merry 
1459696db222SKenneth D. Merry 			sms->byte2 &= ~SMS_DBD;
14603393f8daSKenneth D. Merry 			error = cam_periph_runccb(ccb, cherror,
14613393f8daSKenneth D. Merry 						  /*cam_flags*/ CAM_RETRY_SELTO,
14623393f8daSKenneth D. Merry 				  		  /*sense_flags*/ SF_RETRY_UA,
1463696db222SKenneth D. Merry 						  &softc->device_stats);
1464696db222SKenneth D. Merry 		} else {
1465696db222SKenneth D. Merry 			/*
1466696db222SKenneth D. Merry 			 * Since we disabled sense printing above, print
1467696db222SKenneth D. Merry 			 * out the sense here since we got an error.
1468696db222SKenneth D. Merry 			 */
1469696db222SKenneth D. Merry 			scsi_sense_print(&ccb->csio);
1470696db222SKenneth D. Merry 		}
147176babe50SJustin T. Gibbs 
147276babe50SJustin T. Gibbs 		if (error) {
147376babe50SJustin T. Gibbs 			xpt_print_path(periph->path);
1474696db222SKenneth D. Merry 			printf("chgetparams: error getting device "
1475696db222SKenneth D. Merry 			       "capabilities page\n");
1476696db222SKenneth D. Merry 			xpt_release_ccb(ccb);
1477696db222SKenneth D. Merry 			free(mode_buffer, M_TEMP);
147876babe50SJustin T. Gibbs 			return(error);
147976babe50SJustin T. Gibbs 		}
1480696db222SKenneth D. Merry 	}
148176babe50SJustin T. Gibbs 
1482696db222SKenneth D. Merry 	xpt_release_ccb(ccb);
1483696db222SKenneth D. Merry 
1484696db222SKenneth D. Merry 	cap = (struct page_device_capabilities *)
1485696db222SKenneth D. Merry 		find_mode_page_6((struct scsi_mode_header_6 *)mode_buffer);
148676babe50SJustin T. Gibbs 
148776babe50SJustin T. Gibbs 	bzero(softc->sc_movemask, sizeof(softc->sc_movemask));
148876babe50SJustin T. Gibbs 	bzero(softc->sc_exchangemask, sizeof(softc->sc_exchangemask));
1489696db222SKenneth D. Merry 	moves = &cap->move_from_mt;
1490696db222SKenneth D. Merry 	exchanges = &cap->exchange_with_mt;
149176babe50SJustin T. Gibbs 	for (from = CHET_MT; from <= CHET_DT; ++from) {
149276babe50SJustin T. Gibbs 		softc->sc_movemask[from] = moves[from];
149376babe50SJustin T. Gibbs 		softc->sc_exchangemask[from] = exchanges[from];
149476babe50SJustin T. Gibbs 	}
149576babe50SJustin T. Gibbs 
1496696db222SKenneth D. Merry 	free(mode_buffer, M_TEMP);
1497696db222SKenneth D. Merry 
149876babe50SJustin T. Gibbs 	return(error);
149976babe50SJustin T. Gibbs }
150076babe50SJustin T. Gibbs 
150176babe50SJustin T. Gibbs void
150276babe50SJustin T. Gibbs scsi_move_medium(struct ccb_scsiio *csio, u_int32_t retries,
150376babe50SJustin T. Gibbs 		 void (*cbfcnp)(struct cam_periph *, union ccb *),
150476babe50SJustin T. Gibbs 		 u_int8_t tag_action, u_int32_t tea, u_int32_t src,
150576babe50SJustin T. Gibbs 		 u_int32_t dst, int invert, u_int8_t sense_len,
150676babe50SJustin T. Gibbs 		 u_int32_t timeout)
150776babe50SJustin T. Gibbs {
150876babe50SJustin T. Gibbs 	struct scsi_move_medium *scsi_cmd;
150976babe50SJustin T. Gibbs 
151076babe50SJustin T. Gibbs 	scsi_cmd = (struct scsi_move_medium *)&csio->cdb_io.cdb_bytes;
151176babe50SJustin T. Gibbs 	bzero(scsi_cmd, sizeof(*scsi_cmd));
151276babe50SJustin T. Gibbs 
151376babe50SJustin T. Gibbs 	scsi_cmd->opcode = MOVE_MEDIUM;
151476babe50SJustin T. Gibbs 
151576babe50SJustin T. Gibbs 	scsi_ulto2b(tea, scsi_cmd->tea);
151676babe50SJustin T. Gibbs 	scsi_ulto2b(src, scsi_cmd->src);
151776babe50SJustin T. Gibbs 	scsi_ulto2b(dst, scsi_cmd->dst);
151876babe50SJustin T. Gibbs 
151976babe50SJustin T. Gibbs 	if (invert)
152076babe50SJustin T. Gibbs 		scsi_cmd->invert |= MOVE_MEDIUM_INVERT;
152176babe50SJustin T. Gibbs 
152276babe50SJustin T. Gibbs 	cam_fill_csio(csio,
152376babe50SJustin T. Gibbs 		      retries,
152476babe50SJustin T. Gibbs 		      cbfcnp,
152576babe50SJustin T. Gibbs 		      /*flags*/ CAM_DIR_NONE,
152676babe50SJustin T. Gibbs 		      tag_action,
152776babe50SJustin T. Gibbs 		      /*data_ptr*/ NULL,
152876babe50SJustin T. Gibbs 		      /*dxfer_len*/ 0,
152976babe50SJustin T. Gibbs 		      sense_len,
153076babe50SJustin T. Gibbs 		      sizeof(*scsi_cmd),
153176babe50SJustin T. Gibbs 		      timeout);
153276babe50SJustin T. Gibbs }
153376babe50SJustin T. Gibbs 
153476babe50SJustin T. Gibbs void
153576babe50SJustin T. Gibbs scsi_exchange_medium(struct ccb_scsiio *csio, u_int32_t retries,
153676babe50SJustin T. Gibbs 		     void (*cbfcnp)(struct cam_periph *, union ccb *),
153776babe50SJustin T. Gibbs 		     u_int8_t tag_action, u_int32_t tea, u_int32_t src,
153876babe50SJustin T. Gibbs 		     u_int32_t dst1, u_int32_t dst2, int invert1,
153976babe50SJustin T. Gibbs 		     int invert2, u_int8_t sense_len, u_int32_t timeout)
154076babe50SJustin T. Gibbs {
154176babe50SJustin T. Gibbs 	struct scsi_exchange_medium *scsi_cmd;
154276babe50SJustin T. Gibbs 
154376babe50SJustin T. Gibbs 	scsi_cmd = (struct scsi_exchange_medium *)&csio->cdb_io.cdb_bytes;
154476babe50SJustin T. Gibbs 	bzero(scsi_cmd, sizeof(*scsi_cmd));
154576babe50SJustin T. Gibbs 
154676babe50SJustin T. Gibbs 	scsi_cmd->opcode = EXCHANGE_MEDIUM;
154776babe50SJustin T. Gibbs 
154876babe50SJustin T. Gibbs 	scsi_ulto2b(tea, scsi_cmd->tea);
154976babe50SJustin T. Gibbs 	scsi_ulto2b(src, scsi_cmd->src);
155076babe50SJustin T. Gibbs 	scsi_ulto2b(dst1, scsi_cmd->fdst);
155176babe50SJustin T. Gibbs 	scsi_ulto2b(dst2, scsi_cmd->sdst);
155276babe50SJustin T. Gibbs 
155376babe50SJustin T. Gibbs 	if (invert1)
155476babe50SJustin T. Gibbs 		scsi_cmd->invert |= EXCHANGE_MEDIUM_INV1;
155576babe50SJustin T. Gibbs 
155676babe50SJustin T. Gibbs 	if (invert2)
155776babe50SJustin T. Gibbs 		scsi_cmd->invert |= EXCHANGE_MEDIUM_INV2;
155876babe50SJustin T. Gibbs 
155976babe50SJustin T. Gibbs 	cam_fill_csio(csio,
156076babe50SJustin T. Gibbs 		      retries,
156176babe50SJustin T. Gibbs 		      cbfcnp,
156276babe50SJustin T. Gibbs 		      /*flags*/ CAM_DIR_NONE,
156376babe50SJustin T. Gibbs 		      tag_action,
156476babe50SJustin T. Gibbs 		      /*data_ptr*/ NULL,
156576babe50SJustin T. Gibbs 		      /*dxfer_len*/ 0,
156676babe50SJustin T. Gibbs 		      sense_len,
156776babe50SJustin T. Gibbs 		      sizeof(*scsi_cmd),
156876babe50SJustin T. Gibbs 		      timeout);
156976babe50SJustin T. Gibbs }
157076babe50SJustin T. Gibbs 
157176babe50SJustin T. Gibbs void
157276babe50SJustin T. Gibbs scsi_position_to_element(struct ccb_scsiio *csio, u_int32_t retries,
157376babe50SJustin T. Gibbs 			 void (*cbfcnp)(struct cam_periph *, union ccb *),
157476babe50SJustin T. Gibbs 			 u_int8_t tag_action, u_int32_t tea, u_int32_t dst,
157576babe50SJustin T. Gibbs 			 int invert, u_int8_t sense_len, u_int32_t timeout)
157676babe50SJustin T. Gibbs {
157776babe50SJustin T. Gibbs 	struct scsi_position_to_element *scsi_cmd;
157876babe50SJustin T. Gibbs 
157976babe50SJustin T. Gibbs 	scsi_cmd = (struct scsi_position_to_element *)&csio->cdb_io.cdb_bytes;
158076babe50SJustin T. Gibbs 	bzero(scsi_cmd, sizeof(*scsi_cmd));
158176babe50SJustin T. Gibbs 
158276babe50SJustin T. Gibbs 	scsi_cmd->opcode = POSITION_TO_ELEMENT;
158376babe50SJustin T. Gibbs 
158476babe50SJustin T. Gibbs 	scsi_ulto2b(tea, scsi_cmd->tea);
158576babe50SJustin T. Gibbs 	scsi_ulto2b(dst, scsi_cmd->dst);
158676babe50SJustin T. Gibbs 
158776babe50SJustin T. Gibbs 	if (invert)
158876babe50SJustin T. Gibbs 		scsi_cmd->invert |= POSITION_TO_ELEMENT_INVERT;
158976babe50SJustin T. Gibbs 
159076babe50SJustin T. Gibbs 	cam_fill_csio(csio,
159176babe50SJustin T. Gibbs 		      retries,
159276babe50SJustin T. Gibbs 		      cbfcnp,
159376babe50SJustin T. Gibbs 		      /*flags*/ CAM_DIR_NONE,
159476babe50SJustin T. Gibbs 		      tag_action,
159576babe50SJustin T. Gibbs 		      /*data_ptr*/ NULL,
159676babe50SJustin T. Gibbs 		      /*dxfer_len*/ 0,
159776babe50SJustin T. Gibbs 		      sense_len,
159876babe50SJustin T. Gibbs 		      sizeof(*scsi_cmd),
159976babe50SJustin T. Gibbs 		      timeout);
160076babe50SJustin T. Gibbs }
160176babe50SJustin T. Gibbs 
160276babe50SJustin T. Gibbs void
160376babe50SJustin T. Gibbs scsi_read_element_status(struct ccb_scsiio *csio, u_int32_t retries,
160476babe50SJustin T. Gibbs 			 void (*cbfcnp)(struct cam_periph *, union ccb *),
160576babe50SJustin T. Gibbs 			 u_int8_t tag_action, int voltag, u_int32_t sea,
160676babe50SJustin T. Gibbs 			 u_int32_t count, u_int8_t *data_ptr,
160776babe50SJustin T. Gibbs 			 u_int32_t dxfer_len, u_int8_t sense_len,
160876babe50SJustin T. Gibbs 			 u_int32_t timeout)
160976babe50SJustin T. Gibbs {
161076babe50SJustin T. Gibbs 	struct scsi_read_element_status *scsi_cmd;
161176babe50SJustin T. Gibbs 
161276babe50SJustin T. Gibbs 	scsi_cmd = (struct scsi_read_element_status *)&csio->cdb_io.cdb_bytes;
161376babe50SJustin T. Gibbs 	bzero(scsi_cmd, sizeof(*scsi_cmd));
161476babe50SJustin T. Gibbs 
161576babe50SJustin T. Gibbs 	scsi_cmd->opcode = READ_ELEMENT_STATUS;
161676babe50SJustin T. Gibbs 
161776babe50SJustin T. Gibbs 	scsi_ulto2b(sea, scsi_cmd->sea);
161876babe50SJustin T. Gibbs 	scsi_ulto2b(count, scsi_cmd->count);
161976babe50SJustin T. Gibbs 	scsi_ulto3b(dxfer_len, scsi_cmd->len);
162076babe50SJustin T. Gibbs 
162176babe50SJustin T. Gibbs 	if (voltag)
162276babe50SJustin T. Gibbs 		scsi_cmd->byte2 |= READ_ELEMENT_STATUS_VOLTAG;
162376babe50SJustin T. Gibbs 
162476babe50SJustin T. Gibbs 	cam_fill_csio(csio,
162576babe50SJustin T. Gibbs 		      retries,
162676babe50SJustin T. Gibbs 		      cbfcnp,
162776babe50SJustin T. Gibbs 		      /*flags*/ CAM_DIR_IN,
162876babe50SJustin T. Gibbs 		      tag_action,
162976babe50SJustin T. Gibbs 		      data_ptr,
163076babe50SJustin T. Gibbs 		      dxfer_len,
163176babe50SJustin T. Gibbs 		      sense_len,
163276babe50SJustin T. Gibbs 		      sizeof(*scsi_cmd),
163376babe50SJustin T. Gibbs 		      timeout);
163476babe50SJustin T. Gibbs }
163576babe50SJustin T. Gibbs 
163676babe50SJustin T. Gibbs void
163776babe50SJustin T. Gibbs scsi_initialize_element_status(struct ccb_scsiio *csio, u_int32_t retries,
163876babe50SJustin T. Gibbs 			       void (*cbfcnp)(struct cam_periph *, union ccb *),
163976babe50SJustin T. Gibbs 			       u_int8_t tag_action, u_int8_t sense_len,
164076babe50SJustin T. Gibbs 			       u_int32_t timeout)
164176babe50SJustin T. Gibbs {
164276babe50SJustin T. Gibbs 	struct scsi_initialize_element_status *scsi_cmd;
164376babe50SJustin T. Gibbs 
164476babe50SJustin T. Gibbs 	scsi_cmd = (struct scsi_initialize_element_status *)
164576babe50SJustin T. Gibbs 		    &csio->cdb_io.cdb_bytes;
164676babe50SJustin T. Gibbs 	bzero(scsi_cmd, sizeof(*scsi_cmd));
164776babe50SJustin T. Gibbs 
164876babe50SJustin T. Gibbs 	scsi_cmd->opcode = INITIALIZE_ELEMENT_STATUS;
164976babe50SJustin T. Gibbs 
165076babe50SJustin T. Gibbs 	cam_fill_csio(csio,
165176babe50SJustin T. Gibbs 		      retries,
165276babe50SJustin T. Gibbs 		      cbfcnp,
165376babe50SJustin T. Gibbs 		      /*flags*/ CAM_DIR_NONE,
165476babe50SJustin T. Gibbs 		      tag_action,
165576babe50SJustin T. Gibbs 		      /* data_ptr */ NULL,
165676babe50SJustin T. Gibbs 		      /* dxfer_len */ 0,
165776babe50SJustin T. Gibbs 		      sense_len,
165876babe50SJustin T. Gibbs 		      sizeof(*scsi_cmd),
165976babe50SJustin T. Gibbs 		      timeout);
166076babe50SJustin T. Gibbs }
166176babe50SJustin T. Gibbs 
166276babe50SJustin T. Gibbs void
166376babe50SJustin T. Gibbs scsi_send_volume_tag(struct ccb_scsiio *csio, u_int32_t retries,
166476babe50SJustin T. Gibbs 		     void (*cbfcnp)(struct cam_periph *, union ccb *),
166576babe50SJustin T. Gibbs 		     u_int8_t tag_action,
166676babe50SJustin T. Gibbs 		     u_int16_t element_address,
166776babe50SJustin T. Gibbs 		     u_int8_t send_action_code,
166876babe50SJustin T. Gibbs 		     struct scsi_send_volume_tag_parameters *parameters,
166976babe50SJustin T. Gibbs 		     u_int8_t sense_len, u_int32_t timeout)
167076babe50SJustin T. Gibbs {
167176babe50SJustin T. Gibbs 	struct scsi_send_volume_tag *scsi_cmd;
167276babe50SJustin T. Gibbs 
167376babe50SJustin T. Gibbs 	scsi_cmd = (struct scsi_send_volume_tag *) &csio->cdb_io.cdb_bytes;
167476babe50SJustin T. Gibbs 	bzero(scsi_cmd, sizeof(*scsi_cmd));
167576babe50SJustin T. Gibbs 
167676babe50SJustin T. Gibbs 	scsi_cmd->opcode = SEND_VOLUME_TAG;
167776babe50SJustin T. Gibbs 	scsi_ulto2b(element_address, scsi_cmd->ea);
167876babe50SJustin T. Gibbs 	scsi_cmd->sac = send_action_code;
167976babe50SJustin T. Gibbs 	scsi_ulto2b(sizeof(*parameters), scsi_cmd->pll);
168076babe50SJustin T. Gibbs 
168176babe50SJustin T. Gibbs 	cam_fill_csio(csio,
168276babe50SJustin T. Gibbs 		      retries,
168376babe50SJustin T. Gibbs 		      cbfcnp,
168476babe50SJustin T. Gibbs 		      /*flags*/ CAM_DIR_OUT,
168576babe50SJustin T. Gibbs 		      tag_action,
168676babe50SJustin T. Gibbs 		      /* data_ptr */ (u_int8_t *) parameters,
168776babe50SJustin T. Gibbs 		      sizeof(*parameters),
168876babe50SJustin T. Gibbs 		      sense_len,
168976babe50SJustin T. Gibbs 		      sizeof(*scsi_cmd),
169076babe50SJustin T. Gibbs 		      timeout);
169176babe50SJustin T. Gibbs }
1692