File:  [DragonFly] / src / sys / bus / cam / scsi / scsi_cd.c
Revision 1.13: download - view: text, annotated - select for diffs
Mon Mar 15 02:27:56 2004 UTC (10 years, 6 months ago) by dillon
Branches: MAIN
CVS tags: HEAD
Do some M_WAITOK<->M_INTWAIT cleanups.  Code entered from userland, such as
device open and device ioctl, generally use M_WAITOK, while low level
structures such as the capacity structure are allocated using M_INTWAIT.

    1: /*
    2:  * Copyright (c) 1997 Justin T. Gibbs.
    3:  * Copyright (c) 1997, 1998, 1999, 2000, 2001, 2003, 2003 Kenneth D. Merry.
    4:  * All rights reserved.
    5:  *
    6:  * Redistribution and use in source and binary forms, with or without
    7:  * modification, are permitted provided that the following conditions
    8:  * are met:
    9:  * 1. Redistributions of source code must retain the above copyright
   10:  *    notice, this list of conditions, and the following disclaimer,
   11:  *    without modification, immediately at the beginning of the file.
   12:  * 2. The name of the author may not be used to endorse or promote products
   13:  *    derived from this software without specific prior written permission.
   14:  *
   15:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   16:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   17:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   18:  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
   19:  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   20:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   21:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   22:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   23:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   24:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   25:  * SUCH DAMAGE.
   26:  *
   27:  * $FreeBSD: src/sys/cam/scsi/scsi_cd.c,v 1.31.2.16 2003/10/21 22:26:11 thomas Exp $
   28:  * $DragonFly: src/sys/bus/cam/scsi/scsi_cd.c,v 1.13 2004/03/15 02:27:56 dillon Exp $
   29:  */
   30: /*
   31:  * Portions of this driver taken from the original FreeBSD cd driver.
   32:  * Written by Julian Elischer (julian@tfs.com)
   33:  * for TRW Financial Systems for use under the MACH(2.5) operating system.
   34:  *
   35:  * TRW Financial Systems, in accordance with their agreement with Carnegie
   36:  * Mellon University, makes this software available to CMU to distribute
   37:  * or use in any manner that they see fit as long as this message is kept with
   38:  * the software. For this reason TFS also grants any other persons or
   39:  * organisations permission to use or modify this software.
   40:  *
   41:  * TFS supplies this software to be publicly redistributed
   42:  * on the understanding that TFS is not responsible for the correct
   43:  * functioning of this software in any circumstances.
   44:  *
   45:  * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992
   46:  *
   47:  *      from: cd.c,v 1.83 1997/05/04 15:24:22 joerg Exp $
   48:  */
   49: 
   50: #include "opt_cd.h"
   51: 
   52: #include <sys/param.h>
   53: #include <sys/bootmaj.h>
   54: #include <sys/systm.h>
   55: #include <sys/kernel.h>
   56: #include <sys/buf.h>
   57: #include <sys/conf.h>
   58: #include <sys/disk.h>
   59: #include <sys/malloc.h>
   60: #include <sys/cdio.h>
   61: #include <sys/cdrio.h>
   62: #include <sys/dvdio.h>
   63: #include <sys/devicestat.h>
   64: #include <sys/sysctl.h>
   65: #include <sys/taskqueue.h>
   66: #include <sys/proc.h>
   67: #include <sys/buf2.h>
   68: 
   69: #include "../cam.h"
   70: #include "../cam_ccb.h"
   71: #include "../cam_extend.h"
   72: #include "../cam_periph.h"
   73: #include "../cam_xpt_periph.h"
   74: #include "../cam_queue.h"
   75: 
   76: #include "scsi_message.h"
   77: #include "scsi_da.h"
   78: #include "scsi_cd.h"
   79: 
   80: #define LEADOUT         0xaa            /* leadout toc entry */
   81: 
   82: struct cd_params {
   83: 	u_int32_t blksize;
   84: 	u_long    disksize;
   85: };
   86: 
   87: typedef enum {
   88: 	CD_Q_NONE		= 0x00,
   89: 	CD_Q_NO_TOUCH		= 0x01,
   90: 	CD_Q_BCD_TRACKS		= 0x02,
   91: 	CD_Q_NO_CHANGER		= 0x04,
   92: 	CD_Q_CHANGER		= 0x08,
   93: 	CD_Q_10_BYTE_ONLY	= 0x10
   94: } cd_quirks;
   95: 
   96: typedef enum {
   97: 	CD_FLAG_INVALID		= 0x0001,
   98: 	CD_FLAG_NEW_DISC	= 0x0002,
   99: 	CD_FLAG_DISC_LOCKED	= 0x0004,
  100: 	CD_FLAG_DISC_REMOVABLE	= 0x0008,
  101: 	CD_FLAG_TAGGED_QUEUING	= 0x0010,
  102: 	CD_FLAG_CHANGER		= 0x0040,
  103: 	CD_FLAG_ACTIVE		= 0x0080,
  104: 	CD_FLAG_SCHED_ON_COMP	= 0x0100,
  105: 	CD_FLAG_RETRY_UA	= 0x0200,
  106: 	CD_FLAG_VALID_MEDIA	= 0x0400,
  107: 	CD_FLAG_VALID_TOC	= 0x0800,
  108: 	CD_FLAG_OPEN		= 0x1000,
  109: 	CD_FLAG_SCTX_INIT	= 0x2000
  110: } cd_flags;
  111: 
  112: typedef enum {
  113: 	CD_CCB_PROBE		= 0x01,
  114: 	CD_CCB_BUFFER_IO	= 0x02,
  115: 	CD_CCB_WAITING		= 0x03,
  116: 	CD_CCB_TYPE_MASK	= 0x0F,
  117: 	CD_CCB_RETRY_UA		= 0x10
  118: } cd_ccb_state;
  119: 
  120: typedef enum {
  121: 	CHANGER_TIMEOUT_SCHED		= 0x01,
  122: 	CHANGER_SHORT_TMOUT_SCHED	= 0x02,
  123: 	CHANGER_MANUAL_CALL		= 0x04,
  124: 	CHANGER_NEED_TIMEOUT		= 0x08
  125: } cd_changer_flags;
  126: 
  127: #define ccb_state ppriv_field0
  128: #define ccb_bp ppriv_ptr1
  129: 
  130: struct cd_tocdata {
  131: 	struct ioc_toc_header header;
  132: 	struct cd_toc_entry entries[100];
  133: };
  134: 
  135: struct cd_toc_single {
  136: 	struct ioc_toc_header header;
  137: 	struct cd_toc_entry entry;
  138: };
  139: 
  140: typedef enum {
  141: 	CD_STATE_PROBE,
  142: 	CD_STATE_NORMAL
  143: } cd_state;
  144: 
  145: struct cd_softc {
  146: 	cam_pinfo		pinfo;
  147: 	cd_state		state;
  148: 	volatile cd_flags	flags;
  149: 	struct buf_queue_head	buf_queue;
  150: 	LIST_HEAD(, ccb_hdr)	pending_ccbs;
  151: 	struct cd_params	params;
  152: 	struct disk	 	disk;
  153: 	union ccb		saved_ccb;
  154: 	cd_quirks		quirks;
  155: 	struct devstat		device_stats;
  156: 	STAILQ_ENTRY(cd_softc)	changer_links;
  157: 	struct cdchanger	*changer;
  158: 	int			bufs_left;
  159: 	struct cam_periph	*periph;
  160: 	int			minimum_command_size;
  161: 	struct task		sysctl_task;
  162: 	struct sysctl_ctx_list	sysctl_ctx;
  163: 	struct sysctl_oid	*sysctl_tree;
  164: 	STAILQ_HEAD(, cd_mode_params)	mode_queue;
  165: 	struct cd_tocdata	toc;
  166: };
  167: 
  168: struct cd_page_sizes {
  169: 	int page;
  170: 	int page_size;
  171: };
  172: 
  173: static struct cd_page_sizes cd_page_size_table[] =
  174: {
  175: 	{ AUDIO_PAGE, sizeof(struct cd_audio_page)}
  176: };
  177: 
  178: struct cd_quirk_entry {
  179: 	struct scsi_inquiry_pattern inq_pat;
  180: 	cd_quirks quirks;
  181: };
  182: 
  183: /*
  184:  * The changer quirk entries aren't strictly necessary.  Basically, what
  185:  * they do is tell cdregister() up front that a device is a changer.
  186:  * Otherwise, it will figure that fact out once it sees a LUN on the device
  187:  * that is greater than 0.  If it is known up front that a device is a changer,
  188:  * all I/O to the device will go through the changer scheduling routines, as
  189:  * opposed to the "normal" CD code.
  190:  *
  191:  * NOTE ON 10_BYTE_ONLY quirks:  Any 10_BYTE_ONLY quirks MUST be because
  192:  * your device hangs when it gets a 10 byte command.  Adding a quirk just
  193:  * to get rid of the informative diagnostic message is not acceptable.  All
  194:  * 10_BYTE_ONLY quirks must be documented in full in a PR (which should be
  195:  * referenced in a comment along with the quirk) , and must be approved by
  196:  * ken@FreeBSD.org.  Any quirks added that don't adhere to this policy may
  197:  * be removed until the submitter can explain why they are needed.
  198:  * 10_BYTE_ONLY quirks will be removed (as they will no longer be necessary)
  199:  * when the CAM_NEW_TRAN_CODE work is done.
  200:  */
  201: static struct cd_quirk_entry cd_quirk_table[] =
  202: {
  203: 	{
  204: 		{ T_CDROM, SIP_MEDIA_REMOVABLE, "NRC", "MBR-7", "*"},
  205: 		 /*quirks*/ CD_Q_CHANGER
  206: 	},
  207: 	{
  208: 		{ T_CDROM, SIP_MEDIA_REMOVABLE, "PIONEER", "CD-ROM DRM*",
  209: 		  "*"}, /* quirks */ CD_Q_CHANGER
  210: 	},
  211: 	{
  212: 		{ T_CDROM, SIP_MEDIA_REMOVABLE, "NAKAMICH", "MJ-*", "*"},
  213: 		 /* quirks */ CD_Q_CHANGER
  214: 	},
  215: 	{
  216: 		{ T_CDROM, SIP_MEDIA_REMOVABLE, "CHINON", "CD-ROM CDS-535","*"},
  217: 		/* quirks */ CD_Q_BCD_TRACKS
  218: 	}
  219: };
  220: 
  221: static	d_open_t	cdopen;
  222: static	d_close_t	cdclose;
  223: static	d_ioctl_t	cdioctl;
  224: static	d_strategy_t	cdstrategy;
  225: 
  226: static	periph_init_t	cdinit;
  227: static	periph_ctor_t	cdregister;
  228: static	periph_dtor_t	cdcleanup;
  229: static	periph_start_t	cdstart;
  230: static	periph_oninv_t	cdoninvalidate;
  231: static	void		cdasync(void *callback_arg, u_int32_t code,
  232: 				struct cam_path *path, void *arg);
  233: static	int		cdcmdsizesysctl(SYSCTL_HANDLER_ARGS);
  234: static	void		cdshorttimeout(void *arg);
  235: static	void		cdschedule(struct cam_periph *periph, int priority);
  236: static	void		cdrunchangerqueue(void *arg);
  237: static	void		cdchangerschedule(struct cd_softc *softc);
  238: static	int		cdrunccb(union ccb *ccb,
  239: 				 int (*error_routine)(union ccb *ccb,
  240: 						      u_int32_t cam_flags,
  241: 						      u_int32_t sense_flags),
  242: 				 u_int32_t cam_flags, u_int32_t sense_flags);
  243: static union	ccb 	*cdgetccb(struct cam_periph *periph,
  244: 				  u_int32_t priority);
  245: static	void		cddone(struct cam_periph *periph,
  246: 			       union ccb *start_ccb);
  247: static	int		cderror(union ccb *ccb, u_int32_t cam_flags,
  248: 				u_int32_t sense_flags);
  249: static	union cd_pages	*cdgetpage(struct cd_mode_params *mode_params);
  250: static	int		cdgetpagesize(int page_num);
  251: static	void		cdprevent(struct cam_periph *periph, int action);
  252: static	int		cdcheckmedia(struct cam_periph *periph);
  253: static	int		cdsize(struct cam_periph *periph, u_int32_t *size);
  254: static	int		cd6byteworkaround(union ccb *ccb);
  255: static	int		cdreadtoc(struct cam_periph *periph, u_int32_t mode, 
  256: 				  u_int32_t start, u_int8_t *data, 
  257: 				  u_int32_t len, u_int32_t sense_flags);
  258: static	int		cdgetmode(struct cam_periph *periph, 
  259: 				  struct cd_mode_params *data, u_int32_t page);
  260: static	int		cdsetmode(struct cam_periph *periph,
  261: 				  struct cd_mode_params *data);
  262: static	int		cdplay(struct cam_periph *periph, u_int32_t blk, 
  263: 			       u_int32_t len);
  264: static	int		cdreadsubchannel(struct cam_periph *periph, 
  265: 					 u_int32_t mode, u_int32_t format, 
  266: 					 int track, 
  267: 					 struct cd_sub_channel_info *data, 
  268: 					 u_int32_t len);
  269: static	int		cdplaymsf(struct cam_periph *periph, u_int32_t startm, 
  270: 				  u_int32_t starts, u_int32_t startf, 
  271: 				  u_int32_t endm, u_int32_t ends, 
  272: 				  u_int32_t endf);
  273: static	int		cdplaytracks(struct cam_periph *periph, 
  274: 				     u_int32_t strack, u_int32_t sindex,
  275: 				     u_int32_t etrack, u_int32_t eindex);
  276: static	int		cdpause(struct cam_periph *periph, u_int32_t go);
  277: static	int		cdstopunit(struct cam_periph *periph, u_int32_t eject);
  278: static	int		cdstartunit(struct cam_periph *periph, int load);
  279: static	int		cdsetspeed(struct cam_periph *periph,
  280: 				   u_int32_t rdspeed, u_int32_t wrspeed);
  281: static	int		cdreportkey(struct cam_periph *periph,
  282: 				    struct dvd_authinfo *authinfo);
  283: static	int		cdsendkey(struct cam_periph *periph,
  284: 				  struct dvd_authinfo *authinfo);
  285: static	int		cdreaddvdstructure(struct cam_periph *periph,
  286: 					   struct dvd_struct *dvdstruct);
  287: 
  288: static struct periph_driver cddriver =
  289: {
  290: 	cdinit, "cd",
  291: 	TAILQ_HEAD_INITIALIZER(cddriver.units), /* generation */ 0
  292: };
  293: 
  294: DATA_SET(periphdriver_set, cddriver);
  295: 
  296: /* For 2.2-stable support */
  297: #ifndef D_DISK
  298: #define D_DISK 0
  299: #endif
  300: static struct cdevsw cd_cdevsw = {
  301: 	/* name */	"cd",
  302: 	/* maj */	SCSICD_CDEV_MAJOR,
  303: 	/* flags */	D_DISK,
  304: 	/* port */	NULL,
  305: 	/* autoq */	0,
  306: 
  307: 	/* open */	cdopen,
  308: 	/* close */	cdclose,
  309: 	/* read */	physread,
  310: 	/* write */	physwrite,
  311: 	/* ioctl */	cdioctl,
  312: 	/* poll */	nopoll,
  313: 	/* mmap */	nommap,
  314: 	/* strategy */	cdstrategy,
  315: 	/* dump */	nodump,
  316: 	/* psize */	nopsize,
  317: };
  318: 
  319: static struct extend_array *cdperiphs;
  320: static int num_changers;
  321: 
  322: #ifndef CHANGER_MIN_BUSY_SECONDS
  323: #define CHANGER_MIN_BUSY_SECONDS	5
  324: #endif
  325: #ifndef CHANGER_MAX_BUSY_SECONDS
  326: #define CHANGER_MAX_BUSY_SECONDS	15
  327: #endif
  328: 
  329: static int changer_min_busy_seconds = CHANGER_MIN_BUSY_SECONDS;
  330: static int changer_max_busy_seconds = CHANGER_MAX_BUSY_SECONDS;
  331: 
  332: /*
  333:  * XXX KDM this CAM node should be moved if we ever get more CAM sysctl
  334:  * variables.
  335:  */
  336: SYSCTL_NODE(_kern_cam, OID_AUTO, cd, CTLFLAG_RD, 0, "CAM CDROM driver");
  337: SYSCTL_NODE(_kern_cam_cd, OID_AUTO, changer, CTLFLAG_RD, 0, "CD Changer");
  338: SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, min_busy_seconds, CTLFLAG_RW,
  339: 	   &changer_min_busy_seconds, 0, "Minimum changer scheduling quantum");
  340: TUNABLE_INT("kern.cam.cd.changer.min_busy_seconds", &changer_min_busy_seconds);
  341: SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, max_busy_seconds, CTLFLAG_RW,
  342: 	   &changer_max_busy_seconds, 0, "Maximum changer scheduling quantum");
  343: TUNABLE_INT("kern.cam.cd.changer.max_busy_seconds", &changer_max_busy_seconds);
  344: 
  345: struct cdchanger {
  346: 	path_id_t			 path_id;
  347: 	target_id_t			 target_id;
  348: 	int				 num_devices;
  349: 	struct camq			 devq;
  350: 	struct timeval			 start_time;
  351: 	struct cd_softc			 *cur_device;
  352: 	struct callout_handle		 short_handle;
  353: 	struct callout_handle		 long_handle;
  354: 	volatile cd_changer_flags	 flags;
  355: 	STAILQ_ENTRY(cdchanger)		 changer_links;
  356: 	STAILQ_HEAD(chdevlist, cd_softc) chluns;
  357: };
  358: 
  359: static STAILQ_HEAD(changerlist, cdchanger) changerq;
  360: 
  361: void
  362: cdinit(void)
  363: {
  364: 	cam_status status;
  365: 	struct cam_path *path;
  366: 
  367: 	/*
  368: 	 * Create our extend array for storing the devices we attach to.
  369: 	 */
  370: 	cdperiphs = cam_extend_new();
  371: 	if (cdperiphs == NULL) {
  372: 		printf("cd: Failed to alloc extend array!\n");
  373: 		return;
  374: 	}
  375: 
  376: 	/*
  377: 	 * Install a global async callback.  This callback will
  378: 	 * receive async callbacks like "new device found".
  379: 	 */
  380: 	status = xpt_create_path(&path, /*periph*/NULL, CAM_XPT_PATH_ID,
  381: 				 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD);
  382: 
  383: 	if (status == CAM_REQ_CMP) {
  384: 		struct ccb_setasync csa;
  385: 
  386:                 xpt_setup_ccb(&csa.ccb_h, path, /*priority*/5);
  387:                 csa.ccb_h.func_code = XPT_SASYNC_CB;
  388:                 csa.event_enable = AC_FOUND_DEVICE;
  389:                 csa.callback = cdasync;
  390:                 csa.callback_arg = NULL;
  391:                 xpt_action((union ccb *)&csa);
  392: 		status = csa.ccb_h.status;
  393:                 xpt_free_path(path);
  394:         }
  395: 
  396: 	if (status != CAM_REQ_CMP) {
  397: 		printf("cd: Failed to attach master async callback "
  398: 		       "due to status 0x%x!\n", status);
  399: 	}
  400: }
  401: 
  402: static void
  403: cdoninvalidate(struct cam_periph *periph)
  404: {
  405: 	int s;
  406: 	struct cd_softc *softc;
  407: 	struct buf *q_bp;
  408: 	struct ccb_setasync csa;
  409: 
  410: 	softc = (struct cd_softc *)periph->softc;
  411: 
  412: 	/*
  413: 	 * De-register any async callbacks.
  414: 	 */
  415: 	xpt_setup_ccb(&csa.ccb_h, periph->path,
  416: 		      /* priority */ 5);
  417: 	csa.ccb_h.func_code = XPT_SASYNC_CB;
  418: 	csa.event_enable = 0;
  419: 	csa.callback = cdasync;
  420: 	csa.callback_arg = periph;
  421: 	xpt_action((union ccb *)&csa);
  422: 
  423: 	softc->flags |= CD_FLAG_INVALID;
  424: 
  425: 	/*
  426: 	 * Although the oninvalidate() routines are always called at
  427: 	 * splsoftcam, we need to be at splbio() here to keep the buffer
  428: 	 * queue from being modified while we traverse it.
  429: 	 */
  430: 	s = splbio();
  431: 
  432: 	/*
  433: 	 * Return all queued I/O with ENXIO.
  434: 	 * XXX Handle any transactions queued to the card
  435: 	 *     with XPT_ABORT_CCB.
  436: 	 */
  437: 	while ((q_bp = bufq_first(&softc->buf_queue)) != NULL){
  438: 		bufq_remove(&softc->buf_queue, q_bp);
  439: 		q_bp->b_resid = q_bp->b_bcount;
  440: 		q_bp->b_error = ENXIO;
  441: 		q_bp->b_flags |= B_ERROR;
  442: 		biodone(q_bp);
  443: 	}
  444: 	splx(s);
  445: 
  446: 	/*
  447: 	 * If this device is part of a changer, and it was scheduled
  448: 	 * to run, remove it from the run queue since we just nuked
  449: 	 * all of its scheduled I/O.
  450: 	 */
  451: 	if ((softc->flags & CD_FLAG_CHANGER)
  452: 	 && (softc->pinfo.index != CAM_UNQUEUED_INDEX))
  453: 		camq_remove(&softc->changer->devq, softc->pinfo.index);
  454: 
  455: 	xpt_print_path(periph->path);
  456: 	printf("lost device\n");
  457: }
  458: 
  459: static void
  460: cdcleanup(struct cam_periph *periph)
  461: {
  462: 	struct cd_softc *softc;
  463: 	int s;
  464: 
  465: 	softc = (struct cd_softc *)periph->softc;
  466: 
  467: 	xpt_print_path(periph->path);
  468: 	printf("removing device entry\n");
  469: 
  470: 	if ((softc->flags & CD_FLAG_SCTX_INIT) != 0
  471: 	    && sysctl_ctx_free(&softc->sysctl_ctx) != 0) {
  472: 		xpt_print_path(periph->path);
  473: 		printf("can't remove sysctl context\n");
  474: 	}
  475: 
  476: 	s = splsoftcam();
  477: 	/*
  478: 	 * In the queued, non-active case, the device in question
  479: 	 * has already been removed from the changer run queue.  Since this
  480: 	 * device is active, we need to de-activate it, and schedule
  481: 	 * another device to run.  (if there is another one to run)
  482: 	 */
  483: 	if ((softc->flags & CD_FLAG_CHANGER)
  484: 	 && (softc->flags & CD_FLAG_ACTIVE)) {
  485: 
  486: 		/*
  487: 		 * The purpose of the short timeout is soley to determine
  488: 		 * whether the current device has finished or not.  Well,
  489: 		 * since we're removing the active device, we know that it
  490: 		 * is finished.  So, get rid of the short timeout.
  491: 		 * Otherwise, if we're in the time period before the short
  492: 		 * timeout fires, and there are no other devices in the
  493: 		 * queue to run, there won't be any other device put in the
  494: 		 * active slot.  i.e., when we call cdrunchangerqueue()
  495: 		 * below, it won't do anything.  Then, when the short
  496: 		 * timeout fires, it'll look at the "current device", which
  497: 		 * we are free below, and possibly panic the kernel on a
  498: 		 * bogus pointer reference.
  499: 		 *
  500: 		 * The long timeout doesn't really matter, since we
  501: 		 * decrement the qfrozen_cnt to indicate that there is
  502: 		 * nothing in the active slot now.  Therefore, there won't
  503: 		 * be any bogus pointer references there.
  504: 		 */
  505: 		if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) {
  506: 			untimeout(cdshorttimeout, softc->changer,
  507: 				  softc->changer->short_handle);
  508: 			softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED;
  509: 		}
  510: 		softc->changer->devq.qfrozen_cnt--;
  511: 		softc->changer->flags |= CHANGER_MANUAL_CALL;
  512: 		cdrunchangerqueue(softc->changer);
  513: 	}
  514: 
  515: 	/*
  516: 	 * If we're removing the last device on the changer, go ahead and
  517: 	 * remove the changer device structure.
  518: 	 */
  519: 	if ((softc->flags & CD_FLAG_CHANGER)
  520: 	 && (--softc->changer->num_devices == 0)) {
  521: 
  522: 		/*
  523: 		 * Theoretically, there shouldn't be any timeouts left, but
  524: 		 * I'm not completely sure that that will be the case.  So,
  525: 		 * it won't hurt to check and see if there are any left.
  526: 		 */
  527: 		if (softc->changer->flags & CHANGER_TIMEOUT_SCHED) {
  528: 			untimeout(cdrunchangerqueue, softc->changer,
  529: 				  softc->changer->long_handle);
  530: 			softc->changer->flags &= ~CHANGER_TIMEOUT_SCHED;
  531: 		}
  532: 
  533: 		if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) {
  534: 			untimeout(cdshorttimeout, softc->changer,
  535: 				  softc->changer->short_handle);
  536: 			softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED;
  537: 		}
  538: 
  539: 		STAILQ_REMOVE(&changerq, softc->changer, cdchanger,
  540: 			      changer_links);
  541: 		xpt_print_path(periph->path);
  542: 		printf("removing changer entry\n");
  543: 		free(softc->changer, M_DEVBUF);
  544: 		num_changers--;
  545: 	}
  546: 	devstat_remove_entry(&softc->device_stats);
  547: 	cam_extend_release(cdperiphs, periph->unit_number);
  548: 	if (softc->disk.d_dev) {
  549: 		disk_destroy(&softc->disk);
  550: 	}
  551: 	free(softc, M_DEVBUF);
  552: 	splx(s);
  553: }
  554: 
  555: static void
  556: cdasync(void *callback_arg, u_int32_t code,
  557: 	struct cam_path *path, void *arg)
  558: {
  559: 	struct cam_periph *periph;
  560: 
  561: 	periph = (struct cam_periph *)callback_arg;
  562: 	switch (code) {
  563: 	case AC_FOUND_DEVICE:
  564: 	{
  565: 		struct ccb_getdev *cgd;
  566: 		cam_status status;
  567: 
  568: 		cgd = (struct ccb_getdev *)arg;
  569: 
  570: 		if (SID_TYPE(&cgd->inq_data) != T_CDROM
  571: 		    && SID_TYPE(&cgd->inq_data) != T_WORM)
  572: 			break;
  573: 
  574: 		/*
  575: 		 * Allocate a peripheral instance for
  576: 		 * this device and start the probe
  577: 		 * process.
  578: 		 */
  579: 		status = cam_periph_alloc(cdregister, cdoninvalidate,
  580: 					  cdcleanup, cdstart,
  581: 					  "cd", CAM_PERIPH_BIO,
  582: 					  cgd->ccb_h.path, cdasync,
  583: 					  AC_FOUND_DEVICE, cgd);
  584: 
  585: 		if (status != CAM_REQ_CMP
  586: 		 && status != CAM_REQ_INPROG)
  587: 			printf("cdasync: Unable to attach new device "
  588: 			       "due to status 0x%x\n", status);
  589: 
  590: 		break;
  591: 	}
  592: 	case AC_SENT_BDR:
  593: 	case AC_BUS_RESET:
  594: 	{
  595: 		struct cd_softc *softc;
  596: 		struct ccb_hdr *ccbh;
  597: 		int s;
  598: 
  599: 		softc = (struct cd_softc *)periph->softc;
  600: 		s = splsoftcam();
  601: 		/*
  602: 		 * Don't fail on the expected unit attention
  603: 		 * that will occur.
  604: 		 */
  605: 		softc->flags |= CD_FLAG_RETRY_UA;
  606: 		for (ccbh = LIST_FIRST(&softc->pending_ccbs);
  607: 		     ccbh != NULL; ccbh = LIST_NEXT(ccbh, periph_links.le))
  608: 			ccbh->ccb_state |= CD_CCB_RETRY_UA;
  609: 		splx(s);
  610: 		/* FALLTHROUGH */
  611: 	}
  612: 	default:
  613: 		cam_periph_async(periph, code, path, arg);
  614: 		break;
  615: 	}
  616: }
  617: 
  618: static void
  619: cdsysctlinit(void *context, int pending)
  620: {
  621: 	struct cam_periph *periph;
  622: 	struct cd_softc *softc;
  623: 	char tmpstr[80], tmpstr2[80];
  624: 
  625: 	periph = (struct cam_periph *)context;
  626: 	softc = (struct cd_softc *)periph->softc;
  627: 
  628: 	snprintf(tmpstr, sizeof(tmpstr), "CAM CD unit %d", periph->unit_number);
  629: 	snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number);
  630: 
  631: 	sysctl_ctx_init(&softc->sysctl_ctx);
  632: 	softc->flags |= CD_FLAG_SCTX_INIT;
  633: 	softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx,
  634: 	SYSCTL_STATIC_CHILDREN(_kern_cam_cd), OID_AUTO,
  635: 	tmpstr2, CTLFLAG_RD, 0, tmpstr);
  636: 
  637: 	if (softc->sysctl_tree == NULL) {
  638: 		printf("cdsysctlinit: unable to allocate sysctl tree\n");
  639: 		return;
  640: 	}
  641: 
  642: 	/*
  643: 	 * Now register the sysctl handler, so the user can the value on
  644: 	 * the fly.
  645: 	 */
  646: 	SYSCTL_ADD_PROC(&softc->sysctl_ctx,SYSCTL_CHILDREN(softc->sysctl_tree),
  647: 			OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW,
  648: 			&softc->minimum_command_size, 0, cdcmdsizesysctl, "I",
  649: 			"Minimum CDB size");
  650: }
  651: 
  652: /*
  653:  * We have a handler function for this so we can check the values when the
  654:  * user sets them, instead of every time we look at them.
  655:  */
  656: static int
  657: cdcmdsizesysctl(SYSCTL_HANDLER_ARGS)
  658: {
  659: 	int error, value;
  660: 
  661: 	value = *(int *)arg1;
  662: 
  663: 	error = sysctl_handle_int(oidp, &value, 0, req);
  664: 
  665: 	if ((error != 0) || (req->newptr == NULL))
  666: 		return (error);
  667: 
  668: 	/*
  669: 	 * The only real values we can have here are 6 or 10.  I don't
  670: 	 * really forsee having 12 be an option at any time in the future.
  671: 	 * So if the user sets something less than or equal to 6, we'll set
  672: 	 * it to 6.  If he sets something greater than 6, we'll set it to 10.
  673: 	 *
  674: 	 * I suppose we could just return an error here for the wrong values,
  675: 	 * but I don't think it's necessary to do so, as long as we can
  676: 	 * determine the user's intent without too much trouble.
  677: 	 */
  678: 	if (value < 6)
  679: 		value = 6;
  680: 	else if (value > 6)
  681: 		value = 10;
  682: 
  683: 	*(int *)arg1 = value;
  684: 
  685: 	return (0);
  686: }
  687: 
  688: 
  689: static cam_status
  690: cdregister(struct cam_periph *periph, void *arg)
  691: {
  692: 	struct cd_softc *softc;
  693: 	struct ccb_setasync csa;
  694: 	struct ccb_pathinq cpi;
  695: 	struct ccb_getdev *cgd;
  696: 	char tmpstr[80];
  697: 	caddr_t match;
  698: 
  699: 	cgd = (struct ccb_getdev *)arg;
  700: 	if (periph == NULL) {
  701: 		printf("cdregister: periph was NULL!!\n");
  702: 		return(CAM_REQ_CMP_ERR);
  703: 	}
  704: 	if (cgd == NULL) {
  705: 		printf("cdregister: no getdev CCB, can't register device\n");
  706: 		return(CAM_REQ_CMP_ERR);
  707: 	}
  708: 
  709: 	softc = malloc(sizeof(*softc), M_DEVBUF, M_INTWAIT | M_ZERO);
  710: 	LIST_INIT(&softc->pending_ccbs);
  711: 	STAILQ_INIT(&softc->mode_queue);
  712: 	softc->state = CD_STATE_PROBE;
  713: 	bufq_init(&softc->buf_queue);
  714: 	if (SID_IS_REMOVABLE(&cgd->inq_data))
  715: 		softc->flags |= CD_FLAG_DISC_REMOVABLE;
  716: 	if ((cgd->inq_data.flags & SID_CmdQue) != 0)
  717: 		softc->flags |= CD_FLAG_TAGGED_QUEUING;
  718: 
  719: 	periph->softc = softc;
  720: 	softc->periph = periph;
  721: 
  722: 	cam_extend_set(cdperiphs, periph->unit_number, periph);
  723: 
  724: 	/*
  725: 	 * See if this device has any quirks.
  726: 	 */
  727: 	match = cam_quirkmatch((caddr_t)&cgd->inq_data,
  728: 			       (caddr_t)cd_quirk_table,
  729: 			       sizeof(cd_quirk_table)/sizeof(*cd_quirk_table),
  730: 			       sizeof(*cd_quirk_table), scsi_inquiry_match);
  731: 
  732: 	if (match != NULL)
  733: 		softc->quirks = ((struct cd_quirk_entry *)match)->quirks;
  734: 	else
  735: 		softc->quirks = CD_Q_NONE;
  736: 
  737: 	/* Check if the SIM does not want 6 byte commands */
  738: 	xpt_setup_ccb(&cpi.ccb_h, periph->path, /*priority*/1);
  739: 	cpi.ccb_h.func_code = XPT_PATH_INQ;
  740: 	xpt_action((union ccb *)&cpi);
  741: 	if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE))
  742: 		softc->quirks |= CD_Q_10_BYTE_ONLY;
  743: 
  744: 	TASK_INIT(&softc->sysctl_task, 0, cdsysctlinit, periph);
  745: 
  746: 	/* The default is 6 byte commands, unless quirked otherwise */
  747: 	if (softc->quirks & CD_Q_10_BYTE_ONLY)
  748: 		softc->minimum_command_size = 10;
  749: 	else
  750: 		softc->minimum_command_size = 6;
  751: 
  752: 	/*
  753: 	 * Load the user's default, if any.
  754: 	 */
  755: 	snprintf(tmpstr, sizeof(tmpstr), "kern.cam.cd.%d.minimum_cmd_size",
  756: 		periph->unit_number);
  757: 	TUNABLE_INT_FETCH(tmpstr, &softc->minimum_command_size);
  758: 
  759: 	/* 6 and 10 are the only permissible values here. */
  760: 	if (softc->minimum_command_size < 6)
  761: 		softc->minimum_command_size = 6;
  762: 	else if (softc->minimum_command_size > 6)
  763: 		softc->minimum_command_size = 10;
  764: 
  765: 	/*
  766: 	 * We need to register the statistics structure for this device,
  767: 	 * but we don't have the blocksize yet for it.  So, we register
  768: 	 * the structure and indicate that we don't have the blocksize
  769: 	 * yet.  Unlike other SCSI peripheral drivers, we explicitly set
  770: 	 * the device type here to be CDROM, rather than just ORing in
  771: 	 * the device type.  This is because this driver can attach to either
  772: 	 * CDROM or WORM devices, and we want this peripheral driver to
  773: 	 * show up in the devstat list as a CD peripheral driver, not a
  774: 	 * WORM peripheral driver.  WORM drives will also have the WORM
  775: 	 * driver attached to them.
  776: 	 */
  777: 	devstat_add_entry(&softc->device_stats, "cd", 
  778: 			  periph->unit_number, 0,
  779: 	  		  DEVSTAT_BS_UNAVAILABLE,
  780: 			  DEVSTAT_TYPE_CDROM | DEVSTAT_TYPE_IF_SCSI,
  781: 			  DEVSTAT_PRIORITY_CD);
  782: 	disk_create(periph->unit_number, &softc->disk,
  783: 		    DSO_ONESLICE | DSO_COMPATLABEL, &cd_cdevsw);
  784: 
  785: 	/*
  786: 	 * Add an async callback so that we get
  787: 	 * notified if this device goes away.
  788: 	 */
  789: 	xpt_setup_ccb(&csa.ccb_h, periph->path,
  790: 		      /* priority */ 5);
  791: 	csa.ccb_h.func_code = XPT_SASYNC_CB;
  792: 	csa.event_enable = AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE;
  793: 	csa.callback = cdasync;
  794: 	csa.callback_arg = periph;
  795: 	xpt_action((union ccb *)&csa);
  796: 
  797: 	/*
  798: 	 * If the target lun is greater than 0, we most likely have a CD
  799: 	 * changer device.  Check the quirk entries as well, though, just
  800: 	 * in case someone has a CD tower with one lun per drive or
  801: 	 * something like that.  Also, if we know up front that a
  802: 	 * particular device is a changer, we can mark it as such starting
  803: 	 * with lun 0, instead of lun 1.  It shouldn't be necessary to have
  804: 	 * a quirk entry to define something as a changer, however.
  805: 	 */
  806: 	if (((cgd->ccb_h.target_lun > 0)
  807: 	  && ((softc->quirks & CD_Q_NO_CHANGER) == 0))
  808: 	 || ((softc->quirks & CD_Q_CHANGER) != 0)) {
  809: 		struct cdchanger *nchanger;
  810: 		struct cam_periph *nperiph;
  811: 		struct cam_path *path;
  812: 		cam_status status;
  813: 		int found;
  814: 
  815: 		/* Set the changer flag in the current device's softc */
  816: 		softc->flags |= CD_FLAG_CHANGER;
  817: 
  818: 		if (num_changers == 0)
  819: 			STAILQ_INIT(&changerq);
  820: 
  821: 		/*
  822: 		 * Now, look around for an existing changer device with the
  823: 		 * same path and target ID as the current device.
  824: 		 */
  825: 		for (found = 0,
  826: 		     nchanger = (struct cdchanger *)STAILQ_FIRST(&changerq);
  827: 		     nchanger != NULL;
  828: 		     nchanger = STAILQ_NEXT(nchanger, changer_links)){
  829: 			if ((nchanger->path_id == cgd->ccb_h.path_id) 
  830: 			 && (nchanger->target_id == cgd->ccb_h.target_id)) {
  831: 				found = 1;
  832: 				break;
  833: 			}
  834: 		}
  835: 
  836: 		/*
  837: 		 * If we found a matching entry, just add this device to
  838: 		 * the list of devices on this changer.
  839: 		 */
  840: 		if (found == 1) {
  841: 			struct chdevlist *chlunhead;
  842: 
  843: 			chlunhead = &nchanger->chluns;
  844: 
  845: 			/*
  846: 			 * XXX KDM look at consolidating this code with the
  847: 			 * code below in a separate function.
  848: 			 */
  849: 
  850: 			/*
  851: 			 * Create a path with lun id 0, and see if we can
  852: 			 * find a matching device
  853: 			 */
  854: 			status = xpt_create_path(&path, /*periph*/ periph,
  855: 						 cgd->ccb_h.path_id,
  856: 						 cgd->ccb_h.target_id, 0);
  857: 
  858: 			if ((status == CAM_REQ_CMP)
  859: 			 && ((nperiph = cam_periph_find(path, "cd")) != NULL)){
  860: 				struct cd_softc *nsoftc;
  861: 
  862: 				nsoftc = (struct cd_softc *)nperiph->softc;
  863: 
  864: 				if ((nsoftc->flags & CD_FLAG_CHANGER) == 0){
  865: 					nsoftc->flags |= CD_FLAG_CHANGER;
  866: 					nchanger->num_devices++;
  867: 					if (camq_resize(&nchanger->devq,
  868: 					   nchanger->num_devices)!=CAM_REQ_CMP){
  869: 						printf("cdregister: "
  870: 						       "camq_resize "
  871: 						       "failed, changer "
  872: 						       "support may "
  873: 						       "be messed up\n");
  874: 					}
  875: 					nsoftc->changer = nchanger;
  876: 					nsoftc->pinfo.index =CAM_UNQUEUED_INDEX;
  877: 
  878: 					STAILQ_INSERT_TAIL(&nchanger->chluns,
  879: 							  nsoftc,changer_links);
  880: 				}
  881: 				xpt_free_path(path);
  882: 			} else if (status == CAM_REQ_CMP)
  883: 				xpt_free_path(path);
  884: 			else {
  885: 				printf("cdregister: unable to allocate path\n"
  886: 				       "cdregister: changer support may be "
  887: 				       "broken\n");
  888: 			}
  889: 
  890: 			nchanger->num_devices++;
  891: 
  892: 			softc->changer = nchanger;
  893: 			softc->pinfo.index = CAM_UNQUEUED_INDEX;
  894: 
  895: 			if (camq_resize(&nchanger->devq,
  896: 			    nchanger->num_devices) != CAM_REQ_CMP) {
  897: 				printf("cdregister: camq_resize "
  898: 				       "failed, changer support may "
  899: 				       "be messed up\n");
  900: 			}
  901: 
  902: 			STAILQ_INSERT_TAIL(chlunhead, softc, changer_links);
  903: 		}
  904: 		/*
  905: 		 * In this case, we don't already have an entry for this
  906: 		 * particular changer, so we need to create one, add it to
  907: 		 * the queue, and queue this device on the list for this
  908: 		 * changer.  Before we queue this device, however, we need
  909: 		 * to search for lun id 0 on this target, and add it to the
  910: 		 * queue first, if it exists.  (and if it hasn't already
  911: 		 * been marked as part of the changer.)
  912: 		 */
  913: 		else {
  914: 			nchanger = malloc(sizeof(struct cdchanger),
  915: 				M_DEVBUF, M_INTWAIT | M_ZERO);
  916: 
  917: 			if (camq_init(&nchanger->devq, 1) != 0) {
  918: 				softc->flags &= ~CD_FLAG_CHANGER;
  919: 				printf("cdregister: changer support "
  920: 				       "disabled\n");
  921: 				goto cdregisterexit;
  922: 			}
  923: 
  924: 			num_changers++;
  925: 
  926: 			nchanger->path_id = cgd->ccb_h.path_id;
  927: 			nchanger->target_id = cgd->ccb_h.target_id;
  928: 
  929: 			/* this is superfluous, but it makes things clearer */
  930: 			nchanger->num_devices = 0;
  931: 
  932: 			STAILQ_INIT(&nchanger->chluns);
  933: 
  934: 			STAILQ_INSERT_TAIL(&changerq, nchanger,
  935: 					   changer_links);
  936: 			
  937: 			/*
  938: 			 * Create a path with lun id 0, and see if we can
  939: 			 * find a matching device
  940: 			 */
  941: 			status = xpt_create_path(&path, /*periph*/ periph,
  942: 						 cgd->ccb_h.path_id,
  943: 						 cgd->ccb_h.target_id, 0);
  944: 
  945: 			/*
  946: 			 * If we were able to allocate the path, and if we
  947: 			 * find a matching device and it isn't already
  948: 			 * marked as part of a changer, then we add it to
  949: 			 * the current changer.
  950: 			 */
  951: 			if ((status == CAM_REQ_CMP)
  952: 			 && ((nperiph = cam_periph_find(path, "cd")) != NULL)
  953: 			 && ((((struct cd_softc *)periph->softc)->flags &
  954: 			       CD_FLAG_CHANGER) == 0)) {
  955: 				struct cd_softc *nsoftc;
  956: 
  957: 				nsoftc = (struct cd_softc *)nperiph->softc;
  958: 
  959: 				nsoftc->flags |= CD_FLAG_CHANGER;
  960: 				nchanger->num_devices++;
  961: 				if (camq_resize(&nchanger->devq,
  962: 				    nchanger->num_devices) != CAM_REQ_CMP) {
  963: 					printf("cdregister: camq_resize "
  964: 					       "failed, changer support may "
  965: 					       "be messed up\n");
  966: 				}
  967: 				nsoftc->changer = nchanger;
  968: 				nsoftc->pinfo.index = CAM_UNQUEUED_INDEX;
  969: 
  970: 				STAILQ_INSERT_TAIL(&nchanger->chluns,
  971: 						   nsoftc, changer_links);
  972: 				xpt_free_path(path);
  973: 			} else if (status == CAM_REQ_CMP)
  974: 				xpt_free_path(path);
  975: 			else {
  976: 				printf("cdregister: unable to allocate path\n"
  977: 				       "cdregister: changer support may be "
  978: 				       "broken\n");
  979: 			}
  980: 
  981: 			softc->changer = nchanger;
  982: 			softc->pinfo.index = CAM_UNQUEUED_INDEX;
  983: 			nchanger->num_devices++;
  984: 			if (camq_resize(&nchanger->devq,
  985: 			    nchanger->num_devices) != CAM_REQ_CMP) {
  986: 				printf("cdregister: camq_resize "
  987: 				       "failed, changer support may "
  988: 				       "be messed up\n");
  989: 			}
  990: 			STAILQ_INSERT_TAIL(&nchanger->chluns, softc,
  991: 					   changer_links);
  992: 		}
  993: 	}
  994: 
  995: cdregisterexit:
  996: 
  997: 	/* Lock this peripheral until we are setup */
  998: 	/* Can't block */
  999: 	cam_periph_lock(periph, 0); 
 1000: 
 1001: 	if ((softc->flags & CD_FLAG_CHANGER) == 0)
 1002: 		xpt_schedule(periph, /*priority*/5);
 1003: 	else
 1004: 		cdschedule(periph, /*priority*/ 5);
 1005: 
 1006: 	return(CAM_REQ_CMP);
 1007: }
 1008: 
 1009: static int
 1010: cdopen(dev_t dev, int flags, int fmt, struct thread *td)
 1011: {
 1012: 	struct cam_periph *periph;
 1013: 	struct cd_softc *softc;
 1014: 	int unit, error;
 1015: 	int s;
 1016: 
 1017: 	unit = dkunit(dev);
 1018: 	periph = cam_extend_get(cdperiphs, unit);
 1019: 
 1020: 	if (periph == NULL)
 1021: 		return (ENXIO);
 1022: 
 1023: 	softc = (struct cd_softc *)periph->softc;
 1024: 
 1025: 	/*
 1026: 	 * Grab splsoftcam and hold it until we lock the peripheral.
 1027: 	 */
 1028: 	s = splsoftcam();
 1029: 	if (softc->flags & CD_FLAG_INVALID) {
 1030: 		splx(s);
 1031: 		return(ENXIO);
 1032: 	}
 1033: 
 1034: 	if ((error = cam_periph_lock(periph, PCATCH)) != 0) {
 1035: 		splx(s);
 1036: 		return (error);
 1037: 	}
 1038: 
 1039: 	splx(s);
 1040: 
 1041: 	if (cam_periph_acquire(periph) != CAM_REQ_CMP)
 1042: 		return(ENXIO);
 1043: 
 1044: 	/*
 1045: 	 * Check for media, and set the appropriate flags.  We don't bail
 1046: 	 * if we don't have media, but then we don't allow anything but the
 1047: 	 * CDIOCEJECT/CDIOCCLOSE ioctls if there is no media.
 1048: 	 *
 1049: 	 * XXX KDM for now, we do fail the open if we don't have media.  We
 1050: 	 * can change this once we've figured out how to make the slice
 1051: 	 * code work well with media changing underneath it.
 1052: 	 */
 1053: 	error = cdcheckmedia(periph);
 1054: 
 1055: 	if (error == 0)
 1056: 		softc->flags |= CD_FLAG_OPEN;
 1057: 
 1058: 	cam_periph_unlock(periph);
 1059: 
 1060: 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdopen\n"));
 1061: 
 1062: 	return (error);
 1063: }
 1064: 
 1065: static int
 1066: cdclose(dev_t dev, int flag, int fmt, struct thread *td)
 1067: {
 1068: 	struct 	cam_periph *periph;
 1069: 	struct	cd_softc *softc;
 1070: 	int	unit, error;
 1071: 
 1072: 	unit = dkunit(dev);
 1073: 	periph = cam_extend_get(cdperiphs, unit);
 1074: 	if (periph == NULL)
 1075: 		return (ENXIO);	
 1076: 
 1077: 	softc = (struct cd_softc *)periph->softc;
 1078: 
 1079: 	if ((error = cam_periph_lock(periph, 0)) != 0)
 1080: 		return (error);
 1081: 
 1082: 	if ((softc->flags & CD_FLAG_DISC_REMOVABLE) != 0)
 1083: 		cdprevent(periph, PR_ALLOW);
 1084: 
 1085: 	/*
 1086: 	 * Unconditionally set the dsopen() flags back to their default
 1087: 	 * state.
 1088: 	 */
 1089: 	softc->disk.d_dsflags &= ~DSO_NOLABELS;
 1090: 	softc->disk.d_dsflags |= DSO_COMPATLABEL;
 1091: 
 1092: 	/*
 1093: 	 * Since we're closing this CD, mark the blocksize as unavailable.
 1094: 	 * It will be marked as available when the CD is opened again.
 1095: 	 */
 1096: 	softc->device_stats.flags |= DEVSTAT_BS_UNAVAILABLE;
 1097: 
 1098: 	/*
 1099:  	 * We'll check the media and toc again at the next open().
 1100: 	 */
 1101: 	softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC);
 1102: 	
 1103: 	softc->flags &= ~CD_FLAG_OPEN;
 1104: 
 1105: 	cam_periph_unlock(periph);
 1106: 	cam_periph_release(periph);
 1107: 
 1108: 	return (0);
 1109: }
 1110: 
 1111: static void
 1112: cdshorttimeout(void *arg)
 1113: {
 1114: 	struct cdchanger *changer;
 1115: 	int s;
 1116: 
 1117: 	s = splsoftcam();
 1118: 
 1119: 	changer = (struct cdchanger *)arg;
 1120: 
 1121: 	/* Always clear the short timeout flag, since that's what we're in */
 1122: 	changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED;
 1123: 
 1124: 	/*
 1125: 	 * Check to see if there is any more pending or outstanding I/O for
 1126: 	 * this device.  If not, move it out of the active slot.
 1127: 	 */
 1128: 	if ((bufq_first(&changer->cur_device->buf_queue) == NULL)
 1129: 	 && (changer->cur_device->device_stats.busy_count == 0)) {
 1130: 		changer->flags |= CHANGER_MANUAL_CALL;
 1131: 		cdrunchangerqueue(changer);
 1132: 	}
 1133: 
 1134: 	splx(s);
 1135: }
 1136: 
 1137: /*
 1138:  * This is a wrapper for xpt_schedule.  It only applies to changers.
 1139:  */
 1140: static void
 1141: cdschedule(struct cam_periph *periph, int priority)
 1142: {
 1143: 	struct cd_softc *softc;
 1144: 	int s;
 1145: 
 1146: 	s = splsoftcam();
 1147: 
 1148: 	softc = (struct cd_softc *)periph->softc;
 1149: 
 1150: 	/*
 1151: 	 * If this device isn't currently queued, and if it isn't
 1152: 	 * the active device, then we queue this device and run the
 1153: 	 * changer queue if there is no timeout scheduled to do it.
 1154: 	 * If this device is the active device, just schedule it
 1155: 	 * to run again.  If this device is queued, there should be
 1156: 	 * a timeout in place already that will make sure it runs.
 1157: 	 */
 1158: 	if ((softc->pinfo.index == CAM_UNQUEUED_INDEX) 
 1159: 	 && ((softc->flags & CD_FLAG_ACTIVE) == 0)) {
 1160: 		/*
 1161: 		 * We don't do anything with the priority here.
 1162: 		 * This is strictly a fifo queue.
 1163: 		 */
 1164: 		softc->pinfo.priority = 1;
 1165: 		softc->pinfo.generation = ++softc->changer->devq.generation;
 1166: 		camq_insert(&softc->changer->devq, (cam_pinfo *)softc);
 1167: 
 1168: 		/*
 1169: 		 * Since we just put a device in the changer queue,
 1170: 		 * check and see if there is a timeout scheduled for
 1171: 		 * this changer.  If so, let the timeout handle
 1172: 		 * switching this device into the active slot.  If
 1173: 		 * not, manually call the timeout routine to
 1174: 		 * bootstrap things.
 1175: 		 */
 1176: 		if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0)
 1177: 		 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0)
 1178: 		 && ((softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED)==0)){
 1179: 			softc->changer->flags |= CHANGER_MANUAL_CALL;
 1180: 			cdrunchangerqueue(softc->changer);
 1181: 		}
 1182: 	} else if ((softc->flags & CD_FLAG_ACTIVE)
 1183: 		&& ((softc->flags & CD_FLAG_SCHED_ON_COMP) == 0))
 1184: 		xpt_schedule(periph, priority);
 1185: 
 1186: 	splx(s);
 1187: 
 1188: }
 1189: 
 1190: static void
 1191: cdrunchangerqueue(void *arg)
 1192: {
 1193: 	struct cd_softc *softc;
 1194: 	struct cdchanger *changer;
 1195: 	int called_from_timeout;
 1196: 	int s;
 1197: 
 1198: 	s = splsoftcam();
 1199: 
 1200: 	changer = (struct cdchanger *)arg;
 1201: 
 1202: 	/*
 1203: 	 * If we have NOT been called from cdstrategy() or cddone(), and
 1204: 	 * instead from a timeout routine, go ahead and clear the
 1205: 	 * timeout flag.
 1206: 	 */
 1207: 	if ((changer->flags & CHANGER_MANUAL_CALL) == 0) {
 1208: 		changer->flags &= ~CHANGER_TIMEOUT_SCHED;
 1209: 		called_from_timeout = 1;
 1210: 	} else
 1211: 		called_from_timeout = 0;
 1212: 
 1213: 	/* Always clear the manual call flag */
 1214: 	changer->flags &= ~CHANGER_MANUAL_CALL;
 1215: 
 1216: 	/* nothing to do if the queue is empty */
 1217: 	if (changer->devq.entries <= 0) {
 1218: 		splx(s);
 1219: 		return;
 1220: 	}
 1221: 
 1222: 	/*
 1223: 	 * If the changer queue is frozen, that means we have an active
 1224: 	 * device.
 1225: 	 */
 1226: 	if (changer->devq.qfrozen_cnt > 0) {
 1227: 
 1228: 		if (changer->cur_device->device_stats.busy_count > 0) {
 1229: 			changer->cur_device->flags |= CD_FLAG_SCHED_ON_COMP;
 1230: 			changer->cur_device->bufs_left = 
 1231: 				changer->cur_device->device_stats.busy_count;
 1232: 			if (called_from_timeout) {
 1233: 				changer->long_handle =
 1234: 					timeout(cdrunchangerqueue, changer,
 1235: 				        changer_max_busy_seconds * hz);
 1236: 				changer->flags |= CHANGER_TIMEOUT_SCHED;
 1237: 			}
 1238: 			splx(s);
 1239: 			return;
 1240: 		}
 1241: 
 1242: 		/*
 1243: 		 * We always need to reset the frozen count and clear the
 1244: 		 * active flag.
 1245: 		 */
 1246: 		changer->devq.qfrozen_cnt--;
 1247: 		changer->cur_device->flags &= ~CD_FLAG_ACTIVE;
 1248: 		changer->cur_device->flags &= ~CD_FLAG_SCHED_ON_COMP;
 1249: 
 1250: 		/*
 1251: 		 * Check to see whether the current device has any I/O left
 1252: 		 * to do.  If so, requeue it at the end of the queue.  If
 1253: 		 * not, there is no need to requeue it.
 1254: 		 */
 1255: 		if (bufq_first(&changer->cur_device->buf_queue) != NULL) {
 1256: 
 1257: 			changer->cur_device->pinfo.generation =
 1258: 				++changer->devq.generation;
 1259: 			camq_insert(&changer->devq,
 1260: 				(cam_pinfo *)changer->cur_device);
 1261: 		} 
 1262: 	}
 1263: 
 1264: 	softc = (struct cd_softc *)camq_remove(&changer->devq, CAMQ_HEAD);
 1265: 
 1266: 	changer->cur_device = softc;
 1267: 
 1268: 	changer->devq.qfrozen_cnt++;
 1269: 	softc->flags |= CD_FLAG_ACTIVE;
 1270: 
 1271: 	/* Just in case this device is waiting */
 1272: 	wakeup(&softc->changer);
 1273: 	xpt_schedule(softc->periph, /*priority*/ 1);
 1274: 
 1275: 	/*
 1276: 	 * Get rid of any pending timeouts, and set a flag to schedule new
 1277: 	 * ones so this device gets its full time quantum.
 1278: 	 */
 1279: 	if (changer->flags & CHANGER_TIMEOUT_SCHED) {
 1280: 		untimeout(cdrunchangerqueue, changer, changer->long_handle);
 1281: 		changer->flags &= ~CHANGER_TIMEOUT_SCHED;
 1282: 	}
 1283: 
 1284: 	if (changer->flags & CHANGER_SHORT_TMOUT_SCHED) {
 1285: 		untimeout(cdshorttimeout, changer, changer->short_handle);
 1286: 		changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED;
 1287: 	}
 1288: 
 1289: 	/*
 1290: 	 * We need to schedule timeouts, but we only do this after the
 1291: 	 * first transaction has completed.  This eliminates the changer
 1292: 	 * switch time.
 1293: 	 */
 1294: 	changer->flags |= CHANGER_NEED_TIMEOUT;
 1295: 
 1296: 	splx(s);
 1297: }
 1298: 
 1299: static void
 1300: cdchangerschedule(struct cd_softc *softc)
 1301: {
 1302: 	struct cdchanger *changer;
 1303: 	int s;
 1304: 
 1305: 	s = splsoftcam();
 1306: 
 1307: 	changer = softc->changer;
 1308: 
 1309: 	/*
 1310: 	 * If this is a changer, and this is the current device,
 1311: 	 * and this device has at least the minimum time quantum to
 1312: 	 * run, see if we can switch it out.
 1313: 	 */
 1314: 	if ((softc->flags & CD_FLAG_ACTIVE) 
 1315: 	 && ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0)
 1316: 	 && ((changer->flags & CHANGER_NEED_TIMEOUT) == 0)) {
 1317: 		/*
 1318: 		 * We try three things here.  The first is that we
 1319: 		 * check to see whether the schedule on completion
 1320: 		 * flag is set.  If it is, we decrement the number
 1321: 		 * of buffers left, and if it's zero, we reschedule.
 1322: 		 * Next, we check to see whether the pending buffer
 1323: 		 * queue is empty and whether there are no
 1324: 		 * outstanding transactions.  If so, we reschedule.
 1325: 		 * Next, we see if the pending buffer queue is empty.
 1326: 		 * If it is, we set the number of buffers left to
 1327: 		 * the current active buffer count and set the
 1328: 		 * schedule on complete flag.
 1329: 		 */
 1330: 		if (softc->flags & CD_FLAG_SCHED_ON_COMP) {
 1331: 		 	if (--softc->bufs_left == 0) {
 1332: 				softc->changer->flags |=
 1333: 					CHANGER_MANUAL_CALL;
 1334: 				softc->flags &= ~CD_FLAG_SCHED_ON_COMP;
 1335: 				cdrunchangerqueue(softc->changer);
 1336: 			}
 1337: 		} else if ((bufq_first(&softc->buf_queue) == NULL)
 1338: 		        && (softc->device_stats.busy_count == 0)) {
 1339: 			softc->changer->flags |= CHANGER_MANUAL_CALL;
 1340: 			cdrunchangerqueue(softc->changer);
 1341: 		}
 1342: 	} else if ((softc->changer->flags & CHANGER_NEED_TIMEOUT) 
 1343: 		&& (softc->flags & CD_FLAG_ACTIVE)) {
 1344: 
 1345: 		/*
 1346: 		 * Now that the first transaction to this
 1347: 		 * particular device has completed, we can go ahead
 1348: 		 * and schedule our timeouts.
 1349: 		 */
 1350: 		if ((changer->flags & CHANGER_TIMEOUT_SCHED) == 0) {
 1351: 			changer->long_handle =
 1352: 			    timeout(cdrunchangerqueue, changer,
 1353: 				    changer_max_busy_seconds * hz);
 1354: 			changer->flags |= CHANGER_TIMEOUT_SCHED;
 1355: 		} else
 1356: 			printf("cdchangerschedule: already have a long"
 1357: 			       " timeout!\n");
 1358: 
 1359: 		if ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) {
 1360: 			changer->short_handle =
 1361: 			    timeout(cdshorttimeout, changer,
 1362: 				    changer_min_busy_seconds * hz);
 1363: 			changer->flags |= CHANGER_SHORT_TMOUT_SCHED;
 1364: 		} else
 1365: 			printf("cdchangerschedule: already have a short "
 1366: 			       "timeout!\n");
 1367: 
 1368: 		/*
 1369: 		 * We just scheduled timeouts, no need to schedule
 1370: 		 * more.
 1371: 		 */
 1372: 		changer->flags &= ~CHANGER_NEED_TIMEOUT;
 1373: 
 1374: 	}
 1375: 	splx(s);
 1376: }
 1377: 
 1378: static int
 1379: cdrunccb(union ccb *ccb, int (*error_routine)(union ccb *ccb,
 1380: 					      u_int32_t cam_flags,
 1381: 					      u_int32_t sense_flags),
 1382: 	 u_int32_t cam_flags, u_int32_t sense_flags)
 1383: {
 1384: 	struct cd_softc *softc;
 1385: 	struct cam_periph *periph;
 1386: 	int error;
 1387: 
 1388: 	periph = xpt_path_periph(ccb->ccb_h.path);
 1389: 	softc = (struct cd_softc *)periph->softc;
 1390: 
 1391: 	error = cam_periph_runccb(ccb, error_routine, cam_flags, sense_flags,
 1392: 				  &softc->device_stats);
 1393: 
 1394: 	if (softc->flags & CD_FLAG_CHANGER)
 1395: 		cdchangerschedule(softc);
 1396: 
 1397: 	return(error);
 1398: }
 1399: 
 1400: static union ccb *
 1401: cdgetccb(struct cam_periph *periph, u_int32_t priority)
 1402: {
 1403: 	struct cd_softc *softc;
 1404: 	int s;
 1405: 
 1406: 	softc = (struct cd_softc *)periph->softc;
 1407: 
 1408: 	if (softc->flags & CD_FLAG_CHANGER) {
 1409: 
 1410: 		s = splsoftcam();
 1411: 
 1412: 		/*
 1413: 		 * This should work the first time this device is woken up,
 1414: 		 * but just in case it doesn't, we use a while loop.
 1415: 		 */
 1416: 		while ((softc->flags & CD_FLAG_ACTIVE) == 0) {
 1417: 			/*
 1418: 			 * If this changer isn't already queued, queue it up.
 1419: 			 */
 1420: 			if (softc->pinfo.index == CAM_UNQUEUED_INDEX) {
 1421: 				softc->pinfo.priority = 1;
 1422: 				softc->pinfo.generation =
 1423: 					++softc->changer->devq.generation;
 1424: 				camq_insert(&softc->changer->devq,
 1425: 					    (cam_pinfo *)softc);
 1426: 			}
 1427: 			if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0)
 1428: 			 && ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0)
 1429: 			 && ((softc->changer->flags
 1430: 			      & CHANGER_SHORT_TMOUT_SCHED)==0)) {
 1431: 				softc->changer->flags |= CHANGER_MANUAL_CALL;
 1432: 				cdrunchangerqueue(softc->changer);
 1433: 			} else
 1434: 				tsleep(&softc->changer, 0, "cgticb", 0);
 1435: 		}
 1436: 		splx(s);
 1437: 	}
 1438: 	return(cam_periph_getccb(periph, priority));
 1439: }
 1440: 
 1441: 
 1442: /*
 1443:  * Actually translate the requested transfer into one the physical driver
 1444:  * can understand.  The transfer is described by a buf and will include
 1445:  * only one physical transfer.
 1446:  */
 1447: static void
 1448: cdstrategy(struct buf *bp)
 1449: {
 1450: 	struct cam_periph *periph;
 1451: 	struct cd_softc *softc;
 1452: 	u_int  unit, part;
 1453: 	int    s;
 1454: 
 1455: 	unit = dkunit(bp->b_dev);
 1456: 	part = dkpart(bp->b_dev);
 1457: 	periph = cam_extend_get(cdperiphs, unit);
 1458: 	if (periph == NULL) {
 1459: 		bp->b_error = ENXIO;
 1460: 		goto bad;
 1461: 	}
 1462: 
 1463: 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstrategy\n"));
 1464: 
 1465: 	softc = (struct cd_softc *)periph->softc;
 1466: 
 1467: 	/*
 1468: 	 * Mask interrupts so that the pack cannot be invalidated until
 1469: 	 * after we are in the queue.  Otherwise, we might not properly
 1470: 	 * clean up one of the buffers.
 1471: 	 */
 1472: 	s = splbio();
 1473: 	
 1474: 	/*
 1475: 	 * If the device has been made invalid, error out
 1476: 	 */
 1477: 	if ((softc->flags & CD_FLAG_INVALID)) {
 1478: 		splx(s);
 1479: 		bp->b_error = ENXIO;
 1480: 		goto bad;
 1481: 	}
 1482: 
 1483: 	/*
 1484: 	 * If we don't have valid media, look for it before trying to
 1485: 	 * schedule the I/O.
 1486: 	 */
 1487: 	if ((softc->flags & CD_FLAG_VALID_MEDIA) == 0) {
 1488: 		int error;
 1489: 
 1490: 		error = cdcheckmedia(periph);
 1491: 		if (error != 0) {
 1492: 			splx(s);
 1493: 			bp->b_error = error;
 1494: 			goto bad;
 1495: 		}
 1496: 	}
 1497: 
 1498: 	/*
 1499: 	 * Place it in the queue of disk activities for this disk
 1500: 	 */
 1501: 	bufqdisksort(&softc->buf_queue, bp);
 1502: 
 1503: 	splx(s);
 1504: 	
 1505: 	/*
 1506: 	 * Schedule ourselves for performing the work.  We do things
 1507: 	 * differently for changers.
 1508: 	 */
 1509: 	if ((softc->flags & CD_FLAG_CHANGER) == 0)
 1510: 		xpt_schedule(periph, /* XXX priority */1);
 1511: 	else
 1512: 		cdschedule(periph, /* priority */ 1);
 1513: 
 1514: 	return;
 1515: bad:
 1516: 	bp->b_flags |= B_ERROR;
 1517: 	/*
 1518: 	 * Correctly set the buf to indicate a completed xfer
 1519: 	 */
 1520: 	bp->b_resid = bp->b_bcount;
 1521: 	biodone(bp);
 1522: 	return;
 1523: }
 1524: 
 1525: static void
 1526: cdstart(struct cam_periph *periph, union ccb *start_ccb)
 1527: {
 1528: 	struct cd_softc *softc;
 1529: 	struct buf *bp;
 1530: 	struct ccb_scsiio *csio;
 1531: 	struct scsi_read_capacity_data *rcap;
 1532: 	int s;
 1533: 
 1534: 	softc = (struct cd_softc *)periph->softc;
 1535: 
 1536: 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstart\n"));
 1537: 
 1538: 	switch (softc->state) {
 1539: 	case CD_STATE_NORMAL:
 1540: 	{
 1541: 		int oldspl;
 1542: 
 1543: 		s = splbio();
 1544: 		bp = bufq_first(&softc->buf_queue);
 1545: 		if (periph->immediate_priority <= periph->pinfo.priority) {
 1546: 			start_ccb->ccb_h.ccb_state = CD_CCB_WAITING;
 1547: 
 1548: 			SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h,
 1549: 					  periph_links.sle);
 1550: 			periph->immediate_priority = CAM_PRIORITY_NONE;
 1551: 			splx(s);
 1552: 			wakeup(&periph->ccb_list);
 1553: 		} else if (bp == NULL) {
 1554: 			splx(s);
 1555: 			xpt_release_ccb(start_ccb);
 1556: 		} else {
 1557: 			bufq_remove(&softc->buf_queue, bp);
 1558: 
 1559: 			devstat_start_transaction(&softc->device_stats);
 1560: 
 1561: 			scsi_read_write(&start_ccb->csio,
 1562: 					/*retries*/4,
 1563: 					/* cbfcnp */ cddone,
 1564: 					(bp->b_flags & B_ORDERED) != 0 ?
 1565: 					    MSG_ORDERED_Q_TAG : 
 1566: 					    MSG_SIMPLE_Q_TAG,
 1567: 					/* read */bp->b_flags & B_READ,
 1568: 					/* byte2 */ 0,
 1569: 					/* minimum_cmd_size */ 10,
 1570: 					/* lba */ bp->b_pblkno,
 1571: 					bp->b_bcount / softc->params.blksize,
 1572: 					/* data_ptr */ bp->b_data,
 1573: 					/* dxfer_len */ bp->b_bcount,
 1574: 					/* sense_len */ SSD_FULL_SIZE,
 1575: 					/* timeout */ 30000);
 1576: 			start_ccb->ccb_h.ccb_state = CD_CCB_BUFFER_IO;
 1577: 
 1578: 			
 1579: 			/*
 1580: 			 * Block out any asyncronous callbacks
 1581: 			 * while we touch the pending ccb list.
 1582: 			 */
 1583: 			oldspl = splcam();
 1584: 			LIST_INSERT_HEAD(&softc->pending_ccbs,
 1585: 					 &start_ccb->ccb_h, periph_links.le);
 1586: 			splx(oldspl);
 1587: 
 1588: 			/* We expect a unit attention from this device */
 1589: 			if ((softc->flags & CD_FLAG_RETRY_UA) != 0) {
 1590: 				start_ccb->ccb_h.ccb_state |= CD_CCB_RETRY_UA;
 1591: 				softc->flags &= ~CD_FLAG_RETRY_UA;
 1592: 			}
 1593: 
 1594: 			start_ccb->ccb_h.ccb_bp = bp;
 1595: 			bp = bufq_first(&softc->buf_queue);
 1596: 			splx(s);
 1597: 
 1598: 			xpt_action(start_ccb);
 1599: 		}
 1600: 		if (bp != NULL) {
 1601: 			/* Have more work to do, so ensure we stay scheduled */
 1602: 			xpt_schedule(periph, /* XXX priority */1);
 1603: 		}
 1604: 		break;
 1605: 	}
 1606: 	case CD_STATE_PROBE:
 1607: 	{
 1608: 
 1609: 		rcap = malloc(sizeof(*rcap), M_TEMP, M_INTWAIT);
 1610: 		csio = &start_ccb->csio;
 1611: 		scsi_read_capacity(csio,
 1612: 				   /*retries*/1,
 1613: 				   cddone,
 1614: 				   MSG_SIMPLE_Q_TAG,
 1615: 				   rcap,
 1616: 				   SSD_FULL_SIZE,
 1617: 				   /*timeout*/20000);
 1618: 		start_ccb->ccb_h.ccb_bp = NULL;
 1619: 		start_ccb->ccb_h.ccb_state = CD_CCB_PROBE;
 1620: 		xpt_action(start_ccb);
 1621: 		break;
 1622: 	}
 1623: 	}
 1624: }
 1625: 
 1626: static void
 1627: cddone(struct cam_periph *periph, union ccb *done_ccb)
 1628: { 
 1629: 	struct cd_softc *softc;
 1630: 	struct ccb_scsiio *csio;
 1631: 
 1632: 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cddone\n"));
 1633: 
 1634: 	softc = (struct cd_softc *)periph->softc;
 1635: 	csio = &done_ccb->csio;
 1636: 
 1637: 	switch (csio->ccb_h.ccb_state & CD_CCB_TYPE_MASK) {
 1638: 	case CD_CCB_BUFFER_IO:
 1639: 	{
 1640: 		struct buf	*bp;
 1641: 		int		error;
 1642: 		int		oldspl;
 1643: 
 1644: 		bp = (struct buf *)done_ccb->ccb_h.ccb_bp;
 1645: 		error = 0;
 1646: 
 1647: 		if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
 1648: 			int sf;
 1649: 
 1650: 			if ((done_ccb->ccb_h.ccb_state & CD_CCB_RETRY_UA) != 0)
 1651: 				sf = SF_RETRY_UA;
 1652: 			else
 1653: 				sf = 0;
 1654: 
 1655: 			/* Retry selection timeouts */
 1656: 			sf |= SF_RETRY_SELTO;
 1657: 
 1658: 			if ((error = cderror(done_ccb, 0, sf)) == ERESTART) {
 1659: 				/*
 1660: 				 * A retry was scheuled, so
 1661: 				 * just return.
 1662: 				 */
 1663: 				return;
 1664: 			}
 1665: 		}
 1666: 
 1667: 		if (error != 0) {
 1668: 			int s;
 1669: 			struct buf *q_bp;
 1670: 
 1671: 			xpt_print_path(periph->path);
 1672: 			printf("cddone: got error %#x back\n", error);
 1673: 			s = splbio();
 1674: 			while ((q_bp = bufq_first(&softc->buf_queue)) != NULL) {
 1675: 				bufq_remove(&softc->buf_queue, q_bp);
 1676: 				q_bp->b_resid = q_bp->b_bcount;
 1677: 				q_bp->b_error = EIO;
 1678: 				q_bp->b_flags |= B_ERROR;
 1679: 				biodone(q_bp);
 1680: 			}
 1681: 			splx(s);
 1682: 			bp->b_resid = bp->b_bcount;
 1683: 			bp->b_error = error;
 1684: 			bp->b_flags |= B_ERROR;
 1685: 			cam_release_devq(done_ccb->ccb_h.path,
 1686: 					 /*relsim_flags*/0,
 1687: 					 /*reduction*/0,
 1688: 					 /*timeout*/0,
 1689: 					 /*getcount_only*/0);
 1690: 
 1691: 		} else {
 1692: 			bp->b_resid = csio->resid;
 1693: 			bp->b_error = 0;
 1694: 			if (bp->b_resid != 0) {
 1695: 				/* Short transfer ??? */
 1696: 				bp->b_flags |= B_ERROR;
 1697: 			}
 1698: 		}
 1699: 
 1700: 		/*
 1701: 		 * Block out any asyncronous callbacks
 1702: 		 * while we touch the pending ccb list.
 1703: 		 */
 1704: 		oldspl = splcam();
 1705: 		LIST_REMOVE(&done_ccb->ccb_h, periph_links.le);
 1706: 		splx(oldspl);
 1707: 
 1708: 		if (softc->flags & CD_FLAG_CHANGER)
 1709: 			cdchangerschedule(softc);
 1710: 
 1711: 		devstat_end_transaction_buf(&softc->device_stats, bp);
 1712: 		biodone(bp);
 1713: 		break;
 1714: 	}
 1715: 	case CD_CCB_PROBE:
 1716: 	{
 1717: 		struct	   scsi_read_capacity_data *rdcap;
 1718: 		char	   announce_buf[120]; /*
 1719: 					       * Currently (9/30/97) the 
 1720: 					       * longest possible announce 
 1721: 					       * buffer is 108 bytes, for the 
 1722: 					       * first error case below.  
 1723: 					       * That is 39 bytes for the 
 1724: 					       * basic string, 16 bytes for the
 1725: 					       * biggest sense key (hardware 
 1726: 					       * error), 52 bytes for the
 1727: 					       * text of the largest sense 
 1728: 					       * qualifier valid for a CDROM,
 1729: 					       * (0x72, 0x03 or 0x04,
 1730: 					       * 0x03), and one byte for the
 1731: 					       * null terminating character.
 1732: 					       * To allow for longer strings, 
 1733: 					       * the announce buffer is 120
 1734: 					       * bytes.
 1735: 					       */
 1736: 		struct	   cd_params *cdp;
 1737: 
 1738: 		cdp = &softc->params;
 1739: 
 1740: 		rdcap = (struct scsi_read_capacity_data *)csio->data_ptr;
 1741: 		
 1742: 		cdp->disksize = scsi_4btoul (rdcap->addr) + 1;
 1743: 		cdp->blksize = scsi_4btoul (rdcap->length);
 1744: 
 1745: 		if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
 1746: 
 1747: 			snprintf(announce_buf, sizeof(announce_buf),
 1748: 				"cd present [%lu x %lu byte records]",
 1749: 				cdp->disksize, (u_long)cdp->blksize);
 1750: 
 1751: 		} else {
 1752: 			int	error;
 1753: 			/*
 1754: 			 * Retry any UNIT ATTENTION type errors.  They
 1755: 			 * are expected at boot.
 1756: 			 */
 1757: 			error = cderror(done_ccb, 0, SF_RETRY_UA |
 1758: 					SF_NO_PRINT | SF_RETRY_SELTO);
 1759: 			if (error == ERESTART) {
 1760: 				/*
 1761: 				 * A retry was scheuled, so
 1762: 				 * just return.
 1763: 				 */
 1764: 				return;
 1765: 			} else if (error != 0) {
 1766: 
 1767: 				struct scsi_sense_data *sense;
 1768: 				int asc, ascq;
 1769: 				int sense_key, error_code;
 1770: 				int have_sense;
 1771: 				cam_status status;
 1772: 				struct ccb_getdev cgd;
 1773: 
 1774: 				/* Don't wedge this device's queue */
 1775: 				cam_release_devq(done_ccb->ccb_h.path,
 1776: 						 /*relsim_flags*/0,
 1777: 						 /*reduction*/0,
 1778: 						 /*timeout*/0,
 1779: 						 /*getcount_only*/0);
 1780: 
 1781: 				status = done_ccb->ccb_h.status;
 1782: 
 1783: 				xpt_setup_ccb(&cgd.ccb_h, 
 1784: 					      done_ccb->ccb_h.path,
 1785: 					      /* priority */ 1);
 1786: 				cgd.ccb_h.func_code = XPT_GDEV_TYPE;
 1787: 				xpt_action((union ccb *)&cgd);
 1788: 
 1789: 				if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0)
 1790: 				 || ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0)
 1791: 				 || ((status & CAM_AUTOSNS_VALID) == 0))
 1792: 					have_sense = FALSE;
 1793: 				else
 1794: 					have_sense = TRUE;
 1795: 
 1796: 				if (have_sense) {
 1797: 					sense = &csio->sense_data;
 1798: 					scsi_extract_sense(sense, &error_code,
 1799: 							   &sense_key, 
 1800: 							   &asc, &ascq);
 1801: 				}
 1802: 				/*
 1803: 				 * Attach to anything that claims to be a
 1804: 				 * CDROM or WORM device, as long as it
 1805: 				 * doesn't return a "Logical unit not
 1806: 				 * supported" (0x25) error.
 1807: 				 */
 1808: 				if ((have_sense) && (asc != 0x25)
 1809: 				 && (error_code == SSD_CURRENT_ERROR))
 1810: 					snprintf(announce_buf,
 1811: 					    sizeof(announce_buf),
 1812: 						"Attempt to query device "
 1813: 						"size failed: %s, %s",
 1814: 						scsi_sense_key_text[sense_key],
 1815: 						scsi_sense_desc(asc,ascq,
 1816: 								&cgd.inq_data));
 1817: 				else if ((have_sense == 0)
 1818: 				      && ((status & CAM_STATUS_MASK) ==
 1819: 					   CAM_SCSI_STATUS_ERROR)
 1820: 				      && (csio->scsi_status ==
 1821: 					  SCSI_STATUS_BUSY)) {
 1822: 					snprintf(announce_buf,
 1823: 					    sizeof(announce_buf),
 1824: 					    "Attempt to query device "
 1825: 					    "size failed: SCSI status: BUSY");
 1826: 				} else if (SID_TYPE(&cgd.inq_data) == T_CDROM) {
 1827: 					/*
 1828: 					 * We only print out an error for
 1829: 					 * CDROM type devices.  For WORM
 1830: 					 * devices, we don't print out an
 1831: 					 * error since a few WORM devices
 1832: 					 * don't support CDROM commands.
 1833: 					 * If we have sense information, go
 1834: 					 * ahead and print it out.
 1835: 					 * Otherwise, just say that we 
 1836: 					 * couldn't attach.
 1837: 					 */
 1838: 
 1839: 					/*
 1840: 					 * Just print out the error, not
 1841: 					 * the full probe message, when we
 1842: 					 * don't attach.
 1843: 					 */
 1844: 					if (have_sense)
 1845: 						scsi_sense_print(
 1846: 							&done_ccb->csio);
 1847: 					else {
 1848: 						xpt_print_path(periph->path);
 1849: 						printf("got CAM status %#x\n",
 1850: 						       done_ccb->ccb_h.status);
 1851: 					}
 1852: 					xpt_print_path(periph->path);
 1853: 					printf("fatal error, failed" 
 1854: 					       " to attach to device\n");
 1855: 
 1856: 					/*
 1857: 					 * Invalidate this peripheral.
 1858: 					 */
 1859: 					cam_periph_invalidate(periph);
 1860: 
 1861: 					announce_buf[0] = '\0';
 1862: 				} else {
 1863: 
 1864: 					/*
 1865: 					 * Invalidate this peripheral.
 1866: 					 */
 1867: 					cam_periph_invalidate(periph);
 1868: 					announce_buf[0] = '\0';
 1869: 				}
 1870: 			}
 1871: 		}
 1872: 		free(rdcap, M_TEMP);
 1873: 		if (announce_buf[0] != '\0') {
 1874: 			xpt_announce_periph(periph, announce_buf);
 1875: 			if (softc->flags & CD_FLAG_CHANGER)
 1876: 				cdchangerschedule(softc);
 1877: 			/*
 1878: 			 * Create our sysctl variables, now that we know
 1879: 			 * we have successfully attached.
 1880: 			 */
 1881: 			taskqueue_enqueue(taskqueue_thread,&softc->sysctl_task);
 1882: 		}
 1883: 		softc->state = CD_STATE_NORMAL;		
 1884: 		/*
 1885: 		 * Since our peripheral may be invalidated by an error
 1886: 		 * above or an external event, we must release our CCB
 1887: 		 * before releasing the probe lock on the peripheral.
 1888: 		 * The peripheral will only go away once the last lock
 1889: 		 * is removed, and we need it around for the CCB release
 1890: 		 * operation.
 1891: 		 */
 1892: 		xpt_release_ccb(done_ccb);
 1893: 		cam_periph_unlock(periph);
 1894: 		return;
 1895: 	}
 1896: 	case CD_CCB_WAITING:
 1897: 	{
 1898: 		/* Caller will release the CCB */
 1899: 		CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 
 1900: 			  ("trying to wakeup ccbwait\n"));
 1901: 
 1902: 		wakeup(&done_ccb->ccb_h.cbfcnp);
 1903: 		return;
 1904: 	}
 1905: 	default:
 1906: 		break;
 1907: 	}
 1908: 	xpt_release_ccb(done_ccb);
 1909: }
 1910: 
 1911: static union cd_pages *
 1912: cdgetpage(struct cd_mode_params *mode_params)
 1913: {
 1914: 	union cd_pages *page;
 1915: 
 1916: 	if (mode_params->cdb_size == 10)
 1917: 		page = (union cd_pages *)find_mode_page_10(
 1918: 			(struct scsi_mode_header_10 *)mode_params->mode_buf);
 1919: 	else
 1920: 		page = (union cd_pages *)find_mode_page_6(
 1921: 			(struct scsi_mode_header_6 *)mode_params->mode_buf);
 1922: 
 1923: 	return (page);
 1924: }
 1925: 
 1926: static int
 1927: cdgetpagesize(int page_num)
 1928: {
 1929: 	int i;
 1930: 
 1931: 	for (i = 0; i < (sizeof(cd_page_size_table)/
 1932: 	    sizeof(cd_page_size_table[0])); i++) {
 1933: 		if (cd_page_size_table[i].page == page_num)
 1934: 			return (cd_page_size_table[i].page_size);
 1935: 	}
 1936: 	return (-1);
 1937: }
 1938: 
 1939: static int
 1940: cdioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, struct thread *td)
 1941: {
 1942: 
 1943: 	struct 	cam_periph *periph;
 1944: 	struct	cd_softc *softc;
 1945: 	int	error, unit;
 1946: 
 1947: 	unit = dkunit(dev);
 1948: 
 1949: 	periph = cam_extend_get(cdperiphs, unit);
 1950: 	if (periph == NULL)
 1951: 		return(ENXIO);	
 1952: 
 1953: 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdioctl\n"));
 1954: 
 1955: 	softc = (struct cd_softc *)periph->softc;
 1956: 
 1957: 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 
 1958: 		  ("trying to do ioctl %#lx\n", cmd));
 1959: 
 1960: 	error = cam_periph_lock(periph, PCATCH);
 1961: 
 1962: 	if (error != 0)
 1963: 		return(error);
 1964: 
 1965: 	/*
 1966: 	 * If we don't have media loaded, check for it.  If still don't
 1967: 	 * have media loaded, we can only do a load or eject.
 1968: 	 */
 1969: 	if (((softc->flags & CD_FLAG_VALID_MEDIA) == 0)
 1970: 	    && ((cmd != CDIOCCLOSE)
 1971: 	    && (cmd != CDIOCEJECT))) {
 1972: 		error = cdcheckmedia(periph);
 1973: 		if (error != 0) {
 1974: 			cam_periph_unlock(periph);
 1975: 			return (error);
 1976: 		}
 1977: 	}
 1978: 
 1979: 	switch (cmd) {
 1980: 
 1981: 	case CDIOCPLAYTRACKS:
 1982: 		{
 1983: 			struct ioc_play_track *args
 1984: 			    = (struct ioc_play_track *) addr;
 1985: 			struct cd_mode_params params;
 1986: 			union cd_pages *page;
 1987: 
 1988: 			params.alloc_len = sizeof(union cd_mode_data_6_10);
 1989: 			params.mode_buf = malloc(params.alloc_len, M_TEMP,
 1990: 						 M_WAITOK | M_ZERO);
 1991: 
 1992: 			CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 
 1993: 				  ("trying to do CDIOCPLAYTRACKS\n"));
 1994: 
 1995: 			error = cdgetmode(periph, &params, AUDIO_PAGE);
 1996: 			if (error) {
 1997: 				free(params.mode_buf, M_TEMP);
 1998: 				break;
 1999: 			}
 2000: 			page = cdgetpage(&params);
 2001: 
 2002: 			page->audio.flags &= ~CD_PA_SOTC;
 2003: 			page->audio.flags |= CD_PA_IMMED;
 2004: 			error = cdsetmode(periph, &params);
 2005: 			free(params.mode_buf, M_TEMP);
 2006: 			if (error)
 2007: 				break;
 2008: 
 2009: 			/*
 2010: 			 * This was originally implemented with the PLAY
 2011: 			 * AUDIO TRACK INDEX command, but that command was
 2012: 			 * deprecated after SCSI-2.  Most (all?) SCSI CDROM
 2013: 			 * drives support it but ATAPI and ATAPI-derivative
 2014: 			 * drives don't seem to support it.  So we keep a
 2015: 			 * cache of the table of contents and translate
 2016: 			 * track numbers to MSF format.
 2017: 			 */
 2018: 			if (softc->flags & CD_FLAG_VALID_TOC) {
 2019: 				union msf_lba *sentry, *eentry;
 2020: 				int st, et;
 2021: 
 2022: 				if (args->end_track <
 2023: 				    softc->toc.header.ending_track + 1)
 2024: 					args->end_track++;
 2025: 				if (args->end_track >
 2026: 				    softc->toc.header.ending_track + 1)
 2027: 					args->end_track =
 2028: 					    softc->toc.header.ending_track + 1;
 2029: 				st = args->start_track -
 2030: 					softc->toc.header.starting_track;
 2031: 				et = args->end_track -
 2032: 					softc->toc.header.starting_track;
 2033: 				if ((st < 0)
 2034: 				 || (et < 0)
 2035: 			 	 || (st > (softc->toc.header.ending_track -
 2036: 				     softc->toc.header.starting_track))) {
 2037: 					error = EINVAL;
 2038: 					break;
 2039: 				}
 2040: 				sentry = &softc->toc.entries[st].addr;
 2041: 				eentry = &softc->toc.entries[et].addr;
 2042: 				error = cdplaymsf(periph,
 2043: 						  sentry->msf.minute,
 2044: 						  sentry->msf.second,
 2045: 						  sentry->msf.frame,
 2046: 						  eentry->msf.minute,
 2047: 						  eentry->msf.second,
 2048: 						  eentry->msf.frame);
 2049: 			} else {
 2050: 				/*
 2051: 				 * If we don't have a valid TOC, try the
 2052: 				 * play track index command.  It is part of
 2053: 				 * the SCSI-2 spec, but was removed in the
 2054: 				 * MMC specs.  ATAPI and ATAPI-derived
 2055: 				 * drives don't support it.
 2056: 				 */
 2057: 				if (softc->quirks & CD_Q_BCD_TRACKS) {
 2058: 					args->start_track =
 2059: 						bin2bcd(args->start_track);
 2060: 					args->end_track =
 2061: 						bin2bcd(args->end_track);
 2062: 				}
 2063: 				error = cdplaytracks(periph,
 2064: 						     args->start_track,
 2065: 						     args->start_index,
 2066: 						     args->end_track,
 2067: 						     args->end_index);
 2068: 			}
 2069: 		}
 2070: 		break;
 2071: 	case CDIOCPLAYMSF:
 2072: 		{
 2073: 			struct ioc_play_msf *args
 2074: 				= (struct ioc_play_msf *) addr;
 2075: 			struct cd_mode_params params;
 2076: 			union cd_pages *page;
 2077: 
 2078: 			params.alloc_len = sizeof(union cd_mode_data_6_10);
 2079: 			params.mode_buf = malloc(params.alloc_len, M_TEMP,
 2080: 						 M_WAITOK | M_ZERO);
 2081: 
 2082: 			CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 
 2083: 				  ("trying to do CDIOCPLAYMSF\n"));
 2084: 
 2085: 			error = cdgetmode(periph, &params, AUDIO_PAGE);
 2086: 			if (error) {
 2087: 				free(params.mode_buf, M_TEMP);
 2088: 				break;
 2089: 			}
 2090: 			page = cdgetpage(&params);
 2091: 
 2092: 			page->audio.flags &= ~CD_PA_SOTC;
 2093: 			page->audio.flags |= CD_PA_IMMED;
 2094: 			error = cdsetmode(periph, &params);
 2095: 			free(params.mode_buf, M_TEMP);
 2096: 			if (error)
 2097: 				break;
 2098: 			error = cdplaymsf(periph,
 2099: 					  args->start_m,
 2100: 					  args->start_s,
 2101: 					  args->start_f,
 2102: 					  args->end_m,
 2103: 					  args->end_s,
 2104: 					  args->end_f);
 2105: 		}
 2106: 		break;
 2107: 	case CDIOCPLAYBLOCKS:
 2108: 		{
 2109: 			struct ioc_play_blocks *args
 2110: 				= (struct ioc_play_blocks *) addr;
 2111: 			struct cd_mode_params params;
 2112: 			union cd_pages *page;
 2113: 
 2114: 			CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 
 2115: 				  ("trying to do CDIOCPLAYBLOCKS\n"));
 2116: 
 2117: 			params.alloc_len = sizeof(union cd_mode_data_6_10);
 2118: 			params.mode_buf = malloc(params.alloc_len, M_TEMP,
 2119: 						 M_WAITOK | M_ZERO);
 2120: 
 2121: 			error = cdgetmode(periph, &params, AUDIO_PAGE);
 2122: 			if (error) {
 2123: 				free(params.mode_buf, M_TEMP);
 2124: 				break;
 2125: 			}
 2126: 			page = cdgetpage(&params);
 2127: 
 2128: 			page->audio.flags &= ~CD_PA_SOTC;
 2129: 			page->audio.flags |= CD_PA_IMMED;
 2130: 			error = cdsetmode(periph, &params);
 2131: 			free(params.mode_buf, M_TEMP);
 2132: 			if (error)
 2133: 				break;
 2134: 			error = cdplay(periph, args->blk, args->len);
 2135: 		}
 2136: 		break;
 2137: 	case CDIOCREADSUBCHANNEL:
 2138: 		{
 2139: 			struct ioc_read_subchannel *args
 2140: 				= (struct ioc_read_subchannel *) addr;
 2141: 			struct cd_sub_channel_info *data;
 2142: 			u_int32_t len = args->data_len;
 2143: 
 2144: 			CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 
 2145: 				  ("trying to do CDIOCREADSUBCHANNEL\n"));
 2146: 
 2147: 			data = malloc(sizeof(struct cd_sub_channel_info), 
 2148: 				      M_TEMP, M_WAITOK);
 2149: 
 2150: 			if ((len > sizeof(struct cd_sub_channel_info)) ||
 2151: 			    (len < sizeof(struct cd_sub_channel_header))) {
 2152: 				printf(
 2153: 					"scsi_cd: cdioctl: "
 2154: 					"cdioreadsubchannel: error, len=%d\n",
 2155: 					len);
 2156: 				error = EINVAL;
 2157: 				free(data, M_TEMP);
 2158: 				break;
 2159: 			}
 2160: 
 2161: 			if (softc->quirks & CD_Q_BCD_TRACKS)
 2162: 				args->track = bin2bcd(args->track);
 2163: 
 2164: 			error = cdreadsubchannel(periph, args->address_format,
 2165: 				args->data_format, args->track, data, len);
 2166: 
 2167: 			if (error) {
 2168: 				free(data, M_TEMP);
 2169: 	 			break;
 2170: 			}
 2171: 			if (softc->quirks & CD_Q_BCD_TRACKS)
 2172: 				data->what.track_info.track_number =
 2173: 				    bcd2bin(data->what.track_info.track_number);
 2174: 			len = min(len, ((data->header.data_len[0] << 8) +
 2175: 				data->header.data_len[1] +
 2176: 				sizeof(struct cd_sub_channel_header)));
 2177: 			if (copyout(data, args->data, len) != 0) {
 2178: 				error = EFAULT;
 2179: 			}
 2180: 			free(data, M_TEMP);
 2181: 		}
 2182: 		break;
 2183: 
 2184: 	case CDIOREADTOCHEADER:
 2185: 		{
 2186: 			struct ioc_toc_header *th;
 2187: 
 2188: 			CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 
 2189: 				  ("trying to do CDIOREADTOCHEADER\n"));
 2190: 
 2191: 			th = malloc(sizeof(struct ioc_toc_header), M_TEMP,
 2192: 				    M_WAITOK);
 2193: 			error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 
 2194: 				          sizeof (*th), /*sense_flags*/0);
 2195: 			if (error) {
 2196: 				free(th, M_TEMP);
 2197: 				break;
 2198: 			}
 2199: 			if (softc->quirks & CD_Q_BCD_TRACKS) {
 2200: 				/* we are going to have to convert the BCD
 2201: 				 * encoding on the cd to what is expected
 2202: 				 */
 2203: 				th->starting_track = 
 2204: 					bcd2bin(th->starting_track);
 2205: 				th->ending_track = bcd2bin(th->ending_track);
 2206: 			}
 2207: 			NTOHS(th->len);
 2208: 			bcopy(th, addr, sizeof(*th));
 2209: 			free(th, M_TEMP);
 2210: 		}
 2211: 		break;
 2212: 	case CDIOREADTOCENTRYS:
 2213: 		{
 2214: 			struct cd_tocdata *data;
 2215: 			struct cd_toc_single *lead;
 2216: 			struct ioc_read_toc_entry *te =
 2217: 				(struct ioc_read_toc_entry *) addr;
 2218: 			struct ioc_toc_header *th;
 2219: 			u_int32_t len, readlen, idx, num;
 2220: 			u_int32_t starting_track = te->starting_track;
 2221: 
 2222: 			CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 
 2223: 				  ("trying to do CDIOREADTOCENTRYS\n"));
 2224: 
 2225: 			data = malloc(sizeof(*data), M_TEMP, M_WAITOK);
 2226: 			lead = malloc(sizeof(*lead), M_TEMP, M_WAITOK);
 2227: 
 2228: 			if (te->data_len < sizeof(struct cd_toc_entry)
 2229: 			 || (te->data_len % sizeof(struct cd_toc_entry)) != 0
 2230: 			 || (te->address_format != CD_MSF_FORMAT
 2231: 			  && te->address_format != CD_LBA_FORMAT)) {
 2232: 				error = EINVAL;
 2233: 				printf("scsi_cd: error in readtocentries, "
 2234: 				       "returning EINVAL\n");
 2235: 				free(data, M_TEMP);
 2236: 				free(lead, M_TEMP);
 2237: 				break;
 2238: 			}
 2239: 
 2240: 			th = &data->header;
 2241: 			error = cdreadtoc(periph, 0, 0, (u_int8_t *)th, 
 2242: 					  sizeof (*th), /*sense_flags*/0);
 2243: 			if (error) {
 2244: 				free(data, M_TEMP);
 2245: 				free(lead, M_TEMP);
 2246: 				break;
 2247: 			}
 2248: 
 2249: 			if (softc->quirks & CD_Q_BCD_TRACKS) {
 2250: 				/* we are going to have to convert the BCD
 2251: 				 * encoding on the cd to what is expected
 2252: 				 */
 2253: 				th->starting_track =
 2254: 				    bcd2bin(th->starting_track);
 2255: 				th->ending_track = bcd2bin(th->ending_track);
 2256: 			}
 2257: 
 2258: 			if (starting_track == 0)
 2259: 				starting_track = th->starting_track;
 2260: 			else if (starting_track == LEADOUT)
 2261: 				starting_track = th->ending_track + 1;
 2262: 			else if (starting_track < th->starting_track ||
 2263: 				 starting_track > th->ending_track + 1) {
 2264: 				printf("scsi_cd: error in readtocentries, "
 2265: 				       "returning EINVAL\n");
 2266: 				free(data, M_TEMP);
 2267: 				free(lead, M_TEMP);
 2268: 				error = EINVAL;
 2269: 				break;
 2270: 			}
 2271: 
 2272: 			/* calculate reading length without leadout entry */
 2273: 			readlen = (th->ending_track - starting_track + 1) *
 2274: 				  sizeof(struct cd_toc_entry);
 2275: 
 2276: 			/* and with leadout entry */
 2277: 			len = readlen + sizeof(struct cd_toc_entry);
 2278: 			if (te->data_len < len) {
 2279: 				len = te->data_len;
 2280: 				if (readlen > len)
 2281: 					readlen = len;
 2282: 			}
 2283: 			if (len > sizeof(data->entries)) {
 2284: 				printf("scsi_cd: error in readtocentries, "
 2285: 				       "returning EINVAL\n");
 2286: 				error = EINVAL;
 2287: 				free(data, M_TEMP);
 2288: 				free(lead, M_TEMP);
 2289: 				break;
 2290: 			}
 2291: 			num = len / sizeof(struct cd_toc_entry);
 2292: 
 2293: 			if (readlen > 0) {
 2294: 				error = cdreadtoc(periph, te->address_format,
 2295: 						  starting_track,
 2296: 						  (u_int8_t *)data,
 2297: 						  readlen + sizeof (*th),
 2298: 						  /*sense_flags*/0);
 2299: 				if (error) {
 2300: 					free(data, M_TEMP);
 2301: 					free(lead, M_TEMP);
 2302: 					break;
 2303: 				}
 2304: 			}
 2305: 
 2306: 			/* make leadout entry if needed */
 2307: 			idx = starting_track + num - 1;
 2308: 			if (softc->quirks & CD_Q_BCD_TRACKS)
 2309: 				th->ending_track = bcd2bin(th->ending_track);
 2310: 			if (idx == th->ending_track + 1) {
 2311: 				error = cdreadtoc(periph, te->address_format,
 2312: 						  LEADOUT, (u_int8_t *)lead,
 2313: 						  sizeof(*lead),
 2314: 						  /*sense_flags*/0);
 2315: 				if (error) {
 2316: 					free(data, M_TEMP);
 2317: 					free(lead, M_TEMP);
 2318: 					break;
 2319: 				}
 2320: 				data->entries[idx - starting_track] = 
 2321: 					lead->entry;
 2322: 			}
 2323: 			if (softc->quirks & CD_Q_BCD_TRACKS) {
 2324: 				for (idx = 0; idx < num - 1; idx++) {
 2325: 					data->entries[idx].track =
 2326: 					    bcd2bin(data->entries[idx].track);
 2327: 				}
 2328: 			}
 2329: 
 2330: 			error = copyout(data->entries, te->data, len);
 2331: 			free(data, M_TEMP);
 2332: 			free(lead, M_TEMP);
 2333: 		}
 2334: 		break;
 2335: 	case CDIOREADTOCENTRY:
 2336: 		{
 2337: 			struct cd_toc_single *data;
 2338: 			struct ioc_read_toc_single_entry *te =
 2339: 				(struct ioc_read_toc_single_entry *) addr;
 2340: 			struct ioc_toc_header *th;
 2341: 			u_int32_t track;
 2342: 
 2343: 			CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 
 2344: 				  ("trying to do CDIOREADTOCENTRY\n"));
 2345: 
 2346: 			data = malloc(sizeof(*data), M_TEMP, M_WAITOK);
 2347: 
 2348: 			if (te->address_format != CD_MSF_FORMAT
 2349: 			    && te->address_format != CD_LBA_FORMAT) {
 2350: 				printf("error in readtocentry, "
 2351: 				       " returning EINVAL\n");
 2352: 				free(data, M_TEMP);
 2353: 				error = EINVAL;
 2354: 				break;
 2355: 			}
 2356: 
 2357: 			th = &data->header;
 2358: 			error = cdreadtoc(periph, 0, 0, (u_int8_t *)th,
 2359: 					  sizeof (*th), /*sense_flags*/0);
 2360: 			if (error) {
 2361: 				free(data, M_TEMP);
 2362: 				break;
 2363: 			}
 2364: 
 2365: 			if (softc->quirks & CD_Q_BCD_TRACKS) {
 2366: 				/* we are going to have to convert the BCD
 2367: 				 * encoding on the cd to what is expected
 2368: 				 */
 2369: 				th->starting_track =
 2370: 				    bcd2bin(th->starting_track);
 2371: 				th->ending_track = bcd2bin(th->ending_track);
 2372: 			}
 2373: 			track = te->track;
 2374: 			if (track == 0)
 2375: 				track = th->starting_track;
 2376: 			else if (track == LEADOUT)
 2377: 				/* OK */;
 2378: 			else if (track < th->starting_track ||
 2379: 				 track > th->ending_track + 1) {
 2380: 				printf("error in readtocentry, "
 2381: 				       " returning EINVAL\n");
 2382: 				free(data, M_TEMP);
 2383: 				error = EINVAL;
 2384: 				break;
 2385: 			}
 2386: 
 2387: 			error = cdreadtoc(periph, te->address_format, track,
 2388: 					  (u_int8_t *)data, sizeof(*data),
 2389: 					  /*sense_flags*/0);
 2390: 			if (error) {
 2391: 				free(data, M_TEMP);
 2392: 				break;
 2393: 			}
 2394: 
 2395: 			if (softc->quirks & CD_Q_BCD_TRACKS)
 2396: 				data->entry.track = bcd2bin(data->entry.track);
 2397: 			bcopy(&data->entry, &te->entry,
 2398: 			      sizeof(struct cd_toc_entry));
 2399: 			free(data, M_TEMP);
 2400: 		}
 2401: 		break;
 2402: 	case CDIOCSETPATCH:
 2403: 		{
 2404: 			struct ioc_patch *arg = (struct ioc_patch *)addr;
 2405: 			struct cd_mode_params params;
 2406: 			union cd_pages *page;
 2407: 
 2408: 			CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 
 2409: 				  ("trying to do CDIOCSETPATCH\n"));
 2410: 
 2411: 			params.alloc_len = sizeof(union cd_mode_data_6_10);
 2412: 			params.mode_buf = malloc(params.alloc_len, M_TEMP, 
 2413: 						 M_WAITOK | M_ZERO);
 2414: 			error = cdgetmode(periph, &params, AUDIO_PAGE);
 2415: 			if (error) {
 2416: 				free(params.mode_buf, M_TEMP);
 2417: 				break;
 2418: 			}
 2419: 			page = cdgetpage(&params);
 2420: 
 2421: 			page->audio.port[LEFT_PORT].channels = 
 2422: 				arg->patch[0];
 2423: 			page->audio.port[RIGHT_PORT].channels = 
 2424: 				arg->patch[1];
 2425: 			page->audio.port[2].channels = arg->patch[2];
 2426: 			page->audio.port[3].channels = arg->patch[3];
 2427: 			error = cdsetmode(periph, &params);
 2428: 			free(params.mode_buf, M_TEMP);
 2429: 		}
 2430: 		break;
 2431: 	case CDIOCGETVOL:
 2432: 		{
 2433: 			struct ioc_vol *arg = (struct ioc_vol *) addr;
 2434: 			struct cd_mode_params params;
 2435: 			union cd_pages *page;
 2436: 
 2437: 			CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 
 2438: 				  ("trying to do CDIOCGETVOL\n"));
 2439: 
 2440: 			params.alloc_len = sizeof(union cd_mode_data_6_10);
 2441: 			params.mode_buf = malloc(params.alloc_len, M_TEMP, 
 2442: 						 M_WAITOK | M_ZERO);
 2443: 			error = cdgetmode(periph, &params, AUDIO_PAGE);
 2444: 			if (error) {
 2445: 				free(params.mode_buf, M_TEMP);
 2446: 				break;
 2447: 			}
 2448: 			page = cdgetpage(&params);
 2449: 
 2450: 			arg->vol[LEFT_PORT] = 
 2451: 				page->audio.port[LEFT_PORT].volume;
 2452: 			arg->vol[RIGHT_PORT] = 
 2453: 				page->audio.port[RIGHT_PORT].volume;
 2454: 			arg->vol[2] = page->audio.port[2].volume;
 2455: 			arg->vol[3] = page->audio.port[3].volume;
 2456: 			free(params.mode_buf, M_TEMP);
 2457: 		}
 2458: 		break;
 2459: 	case CDIOCSETVOL:
 2460: 		{
 2461: 			struct ioc_vol *arg = (struct ioc_vol *) addr;
 2462: 			struct cd_mode_params params;
 2463: 			union cd_pages *page;
 2464: 
 2465: 			CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 
 2466: 				  ("trying to do CDIOCSETVOL\n"));
 2467: 
 2468: 			params.alloc_len = sizeof(union cd_mode_data_6_10);
 2469: 			params.mode_buf = malloc(params.alloc_len, M_TEMP, 
 2470: 						 M_WAITOK | M_ZERO);
 2471: 			error = cdgetmode(periph, &params, AUDIO_PAGE);
 2472: 			if (error) {
 2473: 				free(params.mode_buf, M_TEMP);
 2474: 				break;
 2475: 			}
 2476: 			page = cdgetpage(&params);
 2477: 
 2478: 			page->audio.port[LEFT_PORT].channels = CHANNEL_0;
 2479: 			page->audio.port[LEFT_PORT].volume = 
 2480: 				arg->vol[LEFT_PORT];
 2481: 			page->audio.port[RIGHT_PORT].channels = CHANNEL_1;
 2482: 			page->audio.port[RIGHT_PORT].volume = 
 2483: 				arg->vol[RIGHT_PORT];
 2484: 			page->audio.port[2].volume = arg->vol[2];
 2485: 			page->audio.port[3].volume = arg->vol[3];
 2486: 			error = cdsetmode(periph, &params);
 2487: 			free(params.mode_buf, M_TEMP);
 2488: 		}
 2489: 		break;
 2490: 	case CDIOCSETMONO:
 2491: 		{
 2492: 			struct cd_mode_params params;
 2493: 			union cd_pages *page;
 2494: 
 2495: 			CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 
 2496: 				  ("trying to do CDIOCSETMONO\n"));
 2497: 
 2498: 			params.alloc_len = sizeof(union cd_mode_data_6_10);
 2499: 			params.mode_buf = malloc(params.alloc_len, M_TEMP,
 2500: 						 M_WAITOK | M_ZERO);
 2501: 			error = cdgetmode(periph, &params, AUDIO_PAGE);
 2502: 			if (error) {
 2503: 				free(params.mode_buf, M_TEMP);
 2504: 				break;
 2505: 			}
 2506: 			page = cdgetpage(&params);
 2507: 
 2508: 			page->audio.port[LEFT_PORT].channels = 
 2509: 				LEFT_CHANNEL | RIGHT_CHANNEL;
 2510: 			page->audio.port[RIGHT_PORT].channels = 
 2511: 				LEFT_CHANNEL | RIGHT_CHANNEL;
 2512: 			page->audio.port[2].channels = 0;
 2513: 			page->audio.port[3].channels = 0;
 2514: 			error = cdsetmode(periph, &params);
 2515: 			free(params.mode_buf, M_TEMP);
 2516: 		}
 2517: 		break;
 2518: 	case CDIOCSETSTEREO:
 2519: 		{
 2520: 			struct cd_mode_params params;
 2521: 			union cd_pages *page;
 2522: 
 2523: 			CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 
 2524: 				  ("trying to do CDIOCSETSTEREO\n"));
 2525: 
 2526: 			params.alloc_len = sizeof(union cd_mode_data_6_10);
 2527: 			params.mode_buf = malloc(params.alloc_len, M_TEMP,
 2528: 						 M_WAITOK | M_ZERO);
 2529: 			error = cdgetmode(periph, &params, AUDIO_PAGE);
 2530: 			if (error) {
 2531: 				free(params.mode_buf, M_TEMP);
 2532: 				break;
 2533: 			}
 2534: 			page = cdgetpage(&params);
 2535: 
 2536: 			page->audio.port[LEFT_PORT].channels = 
 2537: 				LEFT_CHANNEL;
 2538: 			page->audio.port[RIGHT_PORT].channels = 
 2539: 				RIGHT_CHANNEL;
 2540: 			page->audio.port[2].channels = 0;
 2541: 			page->audio.port[3].channels = 0;
 2542: 			error = cdsetmode(periph, &params);
 2543: 			free(params.mode_buf, M_TEMP);
 2544: 		}
 2545: 		break;
 2546: 	case CDIOCSETMUTE:
 2547: 		{
 2548: 			struct cd_mode_params params;
 2549: 			union cd_pages *page;
 2550: 
 2551: 			CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 
 2552: 				  ("trying to do CDIOCSETMUTE\n"));
 2553: 
 2554: 			params.alloc_len = sizeof(union cd_mode_data_6_10);
 2555: 			params.mode_buf = malloc(params.alloc_len, M_TEMP,
 2556: 						 M_WAITOK | M_ZERO);
 2557: 			error = cdgetmode(periph, &params, AUDIO_PAGE);
 2558: 			if (error) {
 2559: 				free(&params, M_TEMP);
 2560: 				break;
 2561: 			}
 2562: 			page = cdgetpage(&params);
 2563: 
 2564: 			page->audio.port[LEFT_PORT].channels = 0;
 2565: 			page->audio.port[RIGHT_PORT].channels = 0;
 2566: 			page->audio.port[2].channels = 0;
 2567: 			page->audio.port[3].channels = 0;
 2568: 			error = cdsetmode(periph, &params);
 2569: 			free(params.mode_buf, M_TEMP);
 2570: 		}
 2571: 		break;
 2572: 	case CDIOCSETLEFT:
 2573: 		{
 2574: 			struct cd_mode_params params;
 2575: 			union cd_pages *page;
 2576: 
 2577: 			CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 
 2578: 				  ("trying to do CDIOCSETLEFT\n"));
 2579: 
 2580: 			params.alloc_len = sizeof(union cd_mode_data_6_10);
 2581: 			params.mode_buf = malloc(params.alloc_len, M_TEMP,
 2582: 						 M_WAITOK | M_ZERO);
 2583: 			
 2584: 			error = cdgetmode(periph, &params, AUDIO_PAGE);
 2585: 			if (error) {
 2586: 				free(params.mode_buf, M_TEMP);
 2587: 				break;
 2588: 			}
 2589: 			page = cdgetpage(&params);
 2590: 
 2591: 			page->audio.port[LEFT_PORT].channels = LEFT_CHANNEL;
 2592: 			page->audio.port[RIGHT_PORT].channels = LEFT_CHANNEL;
 2593: 			page->audio.port[2].channels = 0;
 2594: 			page->audio.port[3].channels = 0;
 2595: 			error = cdsetmode(periph, &params);
 2596: 			free(params.mode_buf, M_TEMP);
 2597: 		}
 2598: 		break;
 2599: 	case CDIOCSETRIGHT:
 2600: 		{
 2601: 			struct cd_mode_params params;
 2602: 			union cd_pages *page;
 2603: 
 2604: 			CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 
 2605: 				  ("trying to do CDIOCSETRIGHT\n"));
 2606: 
 2607: 			params.alloc_len = sizeof(union cd_mode_data_6_10);
 2608: 			params.mode_buf = malloc(params.alloc_len, M_TEMP,
 2609: 						 M_WAITOK | M_ZERO);
 2610: 
 2611: 			error = cdgetmode(periph, &params, AUDIO_PAGE);
 2612: 			if (error) {
 2613: 				free(params.mode_buf, M_TEMP);
 2614: 				break;
 2615: 			}
 2616: 			page = cdgetpage(&params);
 2617: 
 2618: 			page->audio.port[LEFT_PORT].channels = RIGHT_CHANNEL;
 2619: 			page->audio.port[RIGHT_PORT].channels = RIGHT_CHANNEL;
 2620: 			page->audio.port[2].channels = 0;
 2621: 			page->audio.port[3].channels = 0;
 2622: 			error = cdsetmode(periph, &params);
 2623: 			free(params.mode_buf, M_TEMP);
 2624: 		}
 2625: 		break;
 2626: 	case CDIOCRESUME:
 2627: 		error = cdpause(periph, 1);
 2628: 		break;
 2629: 	case CDIOCPAUSE:
 2630: 		error = cdpause(periph, 0);
 2631: 		break;
 2632: 	case CDIOCSTART:
 2633: 		error = cdstartunit(periph, 0);
 2634: 		break;
 2635: 	case CDIOCCLOSE:
 2636: 		error = cdstartunit(periph, 1);
 2637: 
 2638: #ifdef notyet
 2639: 		if (error != 0)
 2640: 			break;
 2641: 
 2642: 		/*
 2643: 		 * The user successfully closed the tray, run
 2644: 		 * cdcheckmedia() again so we can re-sync the disklabel
 2645: 		 * information.
 2646: 		 */
 2647: 		cdcheckmedia(periph);
 2648: #endif /* notyet */
 2649: 		break;
 2650: 	case CDIOCSTOP:
 2651: 		error = cdstopunit(periph, 0);
 2652: 		break;
 2653: 	case CDIOCEJECT:
 2654: 		error = cdstopunit(periph, 1);
 2655: 
 2656: #ifdef notyet
 2657: 		if (error != 0)
 2658: 			break;
 2659: 
 2660: 		/*
 2661: 		 * Since we've successfully ejected the media, run
 2662: 		 * cdcheckmedia() again so we re-sync the disklabel
 2663: 		 * information.
 2664: 		 */
 2665: 		cdcheckmedia(periph);
 2666: #endif /* notyet */
 2667: 		break;
 2668: 	case CDIOCALLOW:
 2669: 		cdprevent(periph, PR_ALLOW);
 2670: 		break;
 2671: 	case CDIOCPREVENT:
 2672: 		cdprevent(periph, PR_PREVENT);
 2673: 		break;
 2674: 	case CDIOCSETDEBUG:
 2675: 		/* sc_link->flags |= (SDEV_DB1 | SDEV_DB2); */
 2676: 		error = ENOTTY;
 2677: 		break;
 2678: 	case CDIOCCLRDEBUG:
 2679: 		/* sc_link->flags &= ~(SDEV_DB1 | SDEV_DB2); */
 2680: 		error = ENOTTY;
 2681: 		break;
 2682: 	case CDIOCRESET:
 2683: 		/* return (cd_reset(periph)); */
 2684: 		error = ENOTTY;
 2685: 		break;
 2686: 	case CDRIOCREADSPEED:
 2687: 		error = cdsetspeed(periph, *(u_int32_t *)addr, CDR_MAX_SPEED);
 2688: 		break;
 2689: 	case CDRIOCWRITESPEED:
 2690: 		error = cdsetspeed(periph, CDR_MAX_SPEED, *(u_int32_t *)addr);
 2691: 		break;
 2692: 	case DVDIOCSENDKEY:
 2693: 	case DVDIOCREPORTKEY: {
 2694: 		struct dvd_authinfo *authinfo;
 2695: 
 2696: 		authinfo = (struct dvd_authinfo *)addr;
 2697: 
 2698: 		if (cmd == DVDIOCREPORTKEY)
 2699: 			error = cdreportkey(periph, authinfo);
 2700: 		else
 2701: 			error = cdsendkey(periph, authinfo);
 2702: 		break;
 2703: 	}
 2704: 	case DVDIOCREADSTRUCTURE: {
 2705: 		struct dvd_struct *dvdstruct;
 2706: 
 2707: 		dvdstruct = (struct dvd_struct *)addr;
 2708: 
 2709: 		error = cdreaddvdstructure(periph, dvdstruct);
 2710: 
 2711: 		break;
 2712: 	}
 2713: 	default:
 2714: 		error = cam_periph_ioctl(periph, cmd, addr, cderror);
 2715: 		break;
 2716: 	}
 2717: 
 2718: 	cam_periph_unlock(periph);
 2719: 
 2720: 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdioctl\n"));
 2721: 
 2722: 	return (error);
 2723: }
 2724: 
 2725: static void
 2726: cdprevent(struct cam_periph *periph, int action)
 2727: {
 2728: 	union	ccb *ccb;
 2729: 	struct	cd_softc *softc;
 2730: 	int	error;
 2731: 
 2732: 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdprevent\n"));
 2733: 
 2734: 	softc = (struct cd_softc *)periph->softc;
 2735: 	
 2736: 	if (((action == PR_ALLOW)
 2737: 	  && (softc->flags & CD_FLAG_DISC_LOCKED) == 0)
 2738: 	 || ((action == PR_PREVENT)
 2739: 	  && (softc->flags & CD_FLAG_DISC_LOCKED) != 0)) {
 2740: 		return;
 2741: 	}
 2742: 	    
 2743: 	ccb = cdgetccb(periph, /* priority */ 1);
 2744: 
 2745: 	scsi_prevent(&ccb->csio, 
 2746: 		     /*retries*/ 1,
 2747: 		     cddone,
 2748: 		     MSG_SIMPLE_Q_TAG,
 2749: 		     action,
 2750: 		     SSD_FULL_SIZE,
 2751: 		     /* timeout */60000);
 2752: 	
 2753: 	error = cdrunccb(ccb, cderror, /*cam_flags*/0,
 2754: 			/*sense_flags*/SF_RETRY_UA|SF_NO_PRINT|SF_RETRY_SELTO);
 2755: 
 2756: 	xpt_release_ccb(ccb);
 2757: 
 2758: 	if (error == 0) {
 2759: 		if (action == PR_ALLOW)
 2760: 			softc->flags &= ~CD_FLAG_DISC_LOCKED;
 2761: 		else
 2762: 			softc->flags |= CD_FLAG_DISC_LOCKED;
 2763: 	}
 2764: }
 2765: 
 2766: int
 2767: cdcheckmedia(struct cam_periph *periph)
 2768: {
 2769: 	struct cd_softc *softc;
 2770: 	struct ioc_toc_header *toch;
 2771: 	struct cd_toc_single leadout;
 2772: 	struct ccb_getdev cgd;
 2773: 	u_int32_t size, toclen;
 2774: 	int error, num_entries, cdindex;
 2775: 	int first_track_audio;
 2776: 	struct disklabel *label;
 2777: 
 2778: 	softc = (struct cd_softc *)periph->softc;
 2779: 
 2780: 	first_track_audio = -1;
 2781: 	error = 0;
 2782: 
 2783: 	cdprevent(periph, PR_PREVENT);
 2784: 
 2785: 	/*
 2786: 	 * Build prototype label for whole disk.
 2787: 	 * Should take information about different data tracks from the
 2788: 	 * TOC and put it in the partition table.
 2789: 	 */
 2790: 	label = &softc->disk.d_label;
 2791: 	bzero(label, sizeof(*label));
 2792: 	label->d_type = DTYPE_SCSI;
 2793: 
 2794: 	/*
 2795: 	 * Grab the inquiry data to get the vendor and product names.
 2796: 	 * Put them in the typename and packname for the label.
 2797: 	 */
 2798: 	xpt_setup_ccb(&cgd.ccb_h, periph->path, /*priority*/ 1);
 2799: 	cgd.ccb_h.func_code = XPT_GDEV_TYPE;
 2800: 	xpt_action((union ccb *)&cgd);
 2801: 
 2802: 	strncpy(label->d_typename, cgd.inq_data.vendor,
 2803: 		min(SID_VENDOR_SIZE, sizeof(label->d_typename)));
 2804: 	strncpy(label->d_packname, cgd.inq_data.product,
 2805: 		min(SID_PRODUCT_SIZE, sizeof(label->d_packname)));
 2806: 		
 2807: 	label->d_flags = D_REMOVABLE;
 2808: 	/*
 2809: 	 * Make partition 'a' cover the whole disk.  This is a temporary
 2810: 	 * compatibility hack.  The 'a' partition should not exist, so
 2811: 	 * the slice code won't create it.  The slice code will make
 2812: 	 * partition (RAW_PART + 'a') cover the whole disk and fill in
 2813: 	 * some more defaults.
 2814: 	 */
 2815: 	label->d_partitions[0].p_size = label->d_secperunit;
 2816: 	label->d_partitions[0].p_fstype = FS_OTHER;
 2817: 
 2818: 	/*
 2819: 	 * Default to not reading the disklabel off the disk, until we can
 2820: 	 * verify that we have media, that we have a table of contents, and
 2821: 	 * that the first track is a data track (which could theoretically
 2822: 	 * contain a disklabel).
 2823: 	 */
 2824: 	softc->disk.d_dsflags &= ~DSO_COMPATLABEL;
 2825: 	softc->disk.d_dsflags |= DSO_NOLABELS;
 2826: 
 2827: 	/*
 2828: 	 * Clear the valid media and TOC flags until we've verified that we
 2829: 	 * have both.
 2830: 	 */
 2831: 	softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC);
 2832: 
 2833: 	/*
 2834: 	 * Get the disc size and block size.  If we can't get it, we don't
 2835: 	 * have media, most likely.
 2836: 	 */
 2837: 	if ((error = cdsize(periph, &size)) != 0) {
 2838: 		/*
 2839: 		 * Set a bogus sector size, so the slice code won't try to
 2840: 		 * divide by 0 and panic the kernel.
 2841: 		 */
 2842: 		label->d_secsize = 2048;
 2843: 
 2844: 		label->d_secperunit = 0;
 2845: 
 2846: 		/*
 2847: 		 * XXX KDM is this a good idea?  Seems to cause more
 2848: 		 * problems.
 2849: 		 */
 2850: 		if (softc->flags & CD_FLAG_OPEN) {
 2851: 			int force;
 2852: 
 2853: 			force = 1;
 2854: 
 2855: 			/*
 2856: 			 * We don't bother checking the return value here,
 2857: 			 * since we already have an error...
 2858: 			 */
 2859: 			dsioctl(softc->disk.d_dev, DIOCSYNCSLICEINFO,
 2860: 				/*data*/(caddr_t)&force, /*flags*/ 0,
 2861: 				&softc->disk.d_slice);
 2862: 		}
 2863: 
 2864: 		/*
 2865: 		 * Tell devstat(9) we don't have a blocksize.
 2866: 		 */
 2867: 		softc->device_stats.flags |= DEVSTAT_BS_UNAVAILABLE;
 2868: 
 2869: 		cdprevent(periph, PR_ALLOW);
 2870: 
 2871: 		return (error);
 2872: 	} else {
 2873: 
 2874: 		label->d_secsize = softc->params.blksize;
 2875: 		label->d_secperunit = softc->params.disksize;
 2876: 
 2877: 		/*
 2878: 		 * Force a re-sync of slice information, like the blocksize,
 2879: 		 * now that we know it.  It isn't pretty...but according to
 2880: 		 * Bruce Evans, this is probably the best way to do it in
 2881: 		 * -stable.  We only do this if we're already open, and
 2882: 		 * therefore dsopen() has already run.  If CD_FLAG_OPEN
 2883: 		 * isn't set, this isn't necessary.
 2884: 		 */
 2885: 		if (softc->flags & CD_FLAG_OPEN) {
 2886: 			int force;
 2887: 
 2888: 			force = 1;
 2889: 
 2890: 			error = dsioctl(softc->disk.d_dev, DIOCSYNCSLICEINFO,
 2891: 					/*data*/(caddr_t)&force, /*flags*/ 0,
 2892: 					&softc->disk.d_slice);
 2893: 			if (error != 0) {
 2894: 				/*
 2895: 				 * Set a bogus sector size, so the slice code
 2896: 				 * won't try to divide by 0 and panic the
 2897: 				 * kernel.
 2898: 				 */
 2899: 				label->d_secsize = 2048;
 2900: 
 2901: 				label->d_secperunit = 0;
 2902: 
 2903: 				/*
 2904: 				 * Tell devstat(9) we don't have a blocksize.
 2905: 				 */
 2906: 				softc->device_stats.flags |=
 2907: 					DEVSTAT_BS_UNAVAILABLE;
 2908: 
 2909: 				cdprevent(periph, PR_ALLOW);
 2910: 			}
 2911: 		}
 2912: 
 2913: 		/*
 2914: 		 * We unconditionally (re)set the blocksize each time the
 2915: 		 * CD device is opened.  This is because the CD can change,
 2916: 		 * and therefore the blocksize might change.
 2917: 		 * XXX problems here if some slice or partition is still
 2918: 		 * open with the old size?
 2919: 		 */
 2920: 		if ((softc->device_stats.flags & DEVSTAT_BS_UNAVAILABLE) != 0)
 2921: 			softc->device_stats.flags &= ~DEVSTAT_BS_UNAVAILABLE;
 2922: 		softc->device_stats.block_size = softc->params.blksize;
 2923: 
 2924: 		softc->flags |= CD_FLAG_VALID_MEDIA;
 2925: 	}
 2926: 
 2927: 	/*
 2928: 	 * Now we check the table of contents.  This (currently) is only
 2929: 	 * used for the CDIOCPLAYTRACKS ioctl.  It may be used later to do
 2930: 	 * things like present a separate entry in /dev for each track,
 2931: 	 * like that acd(4) driver does.
 2932: 	 */
 2933: 	bzero(&softc->toc, sizeof(softc->toc));
 2934: 	toch = &softc->toc.header;
 2935: 
 2936: 	/*
 2937: 	 * We will get errors here for media that doesn't have a table of
 2938: 	 * contents.  According to the MMC-3 spec: "When a Read TOC/PMA/ATIP
 2939: 	 * command is presented for a DDCD/CD-R/RW media, where the first TOC
 2940: 	 * has not been recorded (no complete session) and the Format codes
 2941: 	 * 0000b, 0001b, or 0010b are specified, this command shall be rejected
 2942: 	 * with an INVALID FIELD IN CDB.  Devices that are not capable of
 2943: 	 * reading an incomplete session on DDC/CD-R/RW media shall report
 2944: 	 * CANNOT READ MEDIUM - INCOMPATIBLE FORMAT."
 2945: 	 *
 2946: 	 * So this isn't fatal if we can't read the table of contents, it
 2947: 	 * just means that the user won't be able to issue the play tracks
 2948: 	 * ioctl, and likely lots of other stuff won't work either.  They
 2949: 	 * need to burn the CD before we can do a whole lot with it.  So
 2950: 	 * we don't print anything here if we get an error back.
 2951: 	 */
 2952: 	error = cdreadtoc(periph, 0, 0, (u_int8_t *)toch, sizeof(*toch),
 2953: 			  SF_NO_PRINT);
 2954: 	/*
 2955: 	 * Errors in reading the table of contents aren't fatal, we just
 2956: 	 * won't have a valid table of contents cached.
 2957: 	 */
 2958: 	if (error != 0) {
 2959: 		error = 0;
 2960: 		bzero(&softc->toc, sizeof(softc->toc));
 2961: 		goto bailout;
 2962: 	}
 2963: 
 2964: 	if (softc->quirks & CD_Q_BCD_TRACKS) {
 2965: 		toch->starting_track = bcd2bin(toch->starting_track);
 2966: 		toch->ending_track = bcd2bin(toch->ending_track);
 2967: 	}
 2968: 
 2969: 	/* Number of TOC entries, plus leadout */
 2970: 	num_entries = (toch->ending_track - toch->starting_track) + 2;
 2971: 
 2972: 	if (num_entries <= 0)
 2973: 		goto bailout;
 2974: 
 2975: 	toclen = num_entries * sizeof(struct cd_toc_entry);
 2976: 
 2977: 	error = cdreadtoc(periph, CD_MSF_FORMAT, toch->starting_track,
 2978: 			  (u_int8_t *)&softc->toc, toclen + sizeof(*toch),
 2979: 			  SF_NO_PRINT);
 2980: 	if (error != 0) {
 2981: 		error = 0;
 2982: 		bzero(&softc->toc, sizeof(softc->toc));
 2983: 		goto bailout;
 2984: 	}
 2985: 
 2986: 	if (softc->quirks & CD_Q_BCD_TRACKS) {
 2987: 		toch->starting_track = bcd2bin(toch->starting_track);
 2988: 		toch->ending_track = bcd2bin(toch->ending_track);
 2989: 	}
 2990: 	toch->len = scsi_2btoul((uint8_t *)&toch->len);
 2991: 
 2992: 	/*
 2993: 	 * XXX KDM is this necessary?  Probably only if the drive doesn't
 2994: 	 * return leadout information with the table of contents.
 2995: 	 */
 2996: 	cdindex = toch->starting_track + num_entries -1;
 2997: 	if (cdindex == toch->ending_track + 1) {
 2998: 
 2999: 		error = cdreadtoc(periph, CD_MSF_FORMAT, LEADOUT, 
 3000: 				  (u_int8_t *)&leadout, sizeof(leadout),
 3001: 				  SF_NO_PRINT);
 3002: 		if (error != 0) {
 3003: 			error = 0;
 3004: 			goto bailout;
 3005: 		}
 3006: 		softc->toc.entries[cdindex - toch->starting_track] =
 3007: 			leadout.entry;
 3008: 	}
 3009: 	if (softc->quirks & CD_Q_BCD_TRACKS) {
 3010: 		for (cdindex = 0; cdindex < (num_entries - 1); cdindex++) {
 3011: 			softc->toc.entries[cdindex].track =
 3012: 				bcd2bin(softc->toc.entries[cdindex].track);
 3013: 		}
 3014: 	}
 3015: 
 3016: 	/*
 3017: 	 * Run through the TOC entries, find the first entry and determine
 3018: 	 * whether it is an audio or data track.
 3019: 	 */
 3020: 	for (cdindex = 0; cdindex < (num_entries - 1); cdindex++) {
 3021: 		if (softc->toc.entries[cdindex].track == toch->starting_track) {
 3022: 			if (softc->toc.entries[cdindex].control & 0x04)
 3023: 				first_track_audio = 0;
 3024: 			else
 3025: 				first_track_audio = 1;
 3026: 			break;
 3027: 		}
 3028: 	}
 3029: 
 3030: 	/*
 3031: 	 * If first_track_audio is non-zero, we either have an error (e.g.
 3032: 	 * couldn't find the starting track) or the first track is an audio
 3033: 	 * track.  If first_track_audio is 0, the first track is a data
 3034: 	 * track that could have a disklabel.  Attempt to read the
 3035: 	 * disklabel off the media, just in case the user put one there.
 3036: 	 */
 3037: 	if (first_track_audio == 0) {
 3038: 		softc->disk.d_dsflags |= DSO_COMPATLABEL;
 3039: 		softc->disk.d_dsflags &= ~DSO_NOLABELS;
 3040: 	}
 3041: 	softc->flags |= CD_FLAG_VALID_TOC;
 3042: 
 3043: bailout:
 3044: 	return (error);
 3045: }
 3046: 
 3047: static int
 3048: cdsize(struct cam_periph *periph, u_int32_t *size)
 3049: {
 3050: 	struct cd_softc *softc;
 3051: 	union ccb *ccb;
 3052: 	struct scsi_read_capacity_data *rcap_buf;
 3053: 	int error;
 3054: 
 3055: 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdsize\n"));
 3056: 
 3057: 	softc = (struct cd_softc *)periph->softc;
 3058:              
 3059: 	ccb = cdgetccb(periph, /* priority */ 1);
 3060: 
 3061: 	rcap_buf = malloc(sizeof(struct scsi_read_capacity_data), 
 3062: 			  M_TEMP, M_INTWAIT | M_ZERO);
 3063: 
 3064: 	scsi_read_capacity(&ccb->csio, 
 3065: 			   /*retries*/ 1,
 3066: 			   cddone,
 3067: 			   MSG_SIMPLE_Q_TAG,
 3068: 			   rcap_buf,
 3069: 			   SSD_FULL_SIZE,
 3070: 			   /* timeout */20000);
 3071: 
 3072: 	error = cdrunccb(ccb, cderror, /*cam_flags*/0,
 3073: 			 /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT|SF_RETRY_SELTO);
 3074: 
 3075: 	xpt_release_ccb(ccb);
 3076: 
 3077: 	softc->params.disksize = scsi_4btoul(rcap_buf->addr) + 1;
 3078: 	softc->params.blksize  = scsi_4btoul(rcap_buf->length);
 3079: 	/*
 3080: 	 * SCSI-3 mandates that the reported blocksize shall be 2048.
 3081: 	 * Older drives sometimes report funny values, trim it down to
 3082: 	 * 2048, or other parts of the kernel will get confused.
 3083: 	 *
 3084: 	 * XXX we leave drives alone that might report 512 bytes, as
 3085: 	 * well as drives reporting more weird sizes like perhaps 4K.
 3086: 	 */
 3087: 	if (softc->params.blksize > 2048 && softc->params.blksize <= 2352)
 3088: 		softc->params.blksize = 2048;
 3089: 
 3090: 	free(rcap_buf, M_TEMP);
 3091: 	*size = softc->params.disksize;
 3092: 
 3093: 	return (error);
 3094: 
 3095: }
 3096: 
 3097: static int
 3098: cd6byteworkaround(union ccb *ccb)
 3099: {
 3100: 	u_int8_t *cdb;
 3101: 	struct cam_periph *periph;
 3102: 	struct cd_softc *softc;
 3103: 	struct cd_mode_params *params;
 3104: 	int frozen, found;
 3105: 
 3106: 	periph = xpt_path_periph(ccb->ccb_h.path);
 3107: 	softc = (struct cd_softc *)periph->softc;
 3108: 
 3109: 	cdb = ccb->csio.cdb_io.cdb_bytes;
 3110: 
 3111: 	if ((ccb->ccb_h.flags & CAM_CDB_POINTER)
 3112: 	 || ((cdb[0] != MODE_SENSE_6)
 3113: 	  && (cdb[0] != MODE_SELECT_6)))
 3114: 		return (0);
 3115: 
 3116: 	/*
 3117: 	 * Because there is no convenient place to stash the overall
 3118: 	 * cd_mode_params structure pointer, we have to grab it like this.
 3119: 	 * This means that ALL MODE_SENSE and MODE_SELECT requests in the
 3120: 	 * cd(4) driver MUST go through cdgetmode() and cdsetmode()!
 3121: 	 *
 3122: 	 * XXX It would be nice if, at some point, we could increase the
 3123: 	 * number of available peripheral private pointers.  Both pointers
 3124: 	 * are currently used in most every peripheral driver.
 3125: 	 */
 3126: 	found = 0;
 3127: 
 3128: 	STAILQ_FOREACH(params, &softc->mode_queue, links) {
 3129: 		if (params->mode_buf == ccb->csio.data_ptr) {
 3130: 			found = 1;
 3131: 			break;
 3132: 		}
 3133: 	}
 3134: 
 3135: 	/*
 3136: 	 * This shouldn't happen.  All mode sense and mode select
 3137: 	 * operations in the cd(4) driver MUST go through cdgetmode() and
 3138: 	 * cdsetmode()!
 3139: 	 */
 3140: 	if (found == 0) {
 3141: 		xpt_print_path(periph->path);
 3142: 		printf("mode buffer not found in mode queue!\n");
 3143: 		return (0);
 3144: 	}
 3145: 
 3146: 	params->cdb_size = 10;
 3147: 	softc->minimum_command_size = 10;
 3148: 	xpt_print_path(ccb->ccb_h.path);
 3149: 	printf("%s(6) failed, increasing minimum CDB size to 10 bytes\n",
 3150: 	       (cdb[0] == MODE_SENSE_6) ? "MODE_SENSE" : "MODE_SELECT");
 3151: 
 3152: 	if (cdb[0] == MODE_SENSE_6) {
 3153: 		struct scsi_mode_sense_10 ms10;
 3154: 		struct scsi_mode_sense_6 *ms6;
 3155: 		int len;
 3156: 
 3157: 		ms6 = (struct scsi_mode_sense_6 *)cdb;
 3158: 
 3159: 		bzero(&ms10, sizeof(ms10));
 3160:  		ms10.opcode = MODE_SENSE_10;
 3161:  		ms10.byte2 = ms6->byte2;
 3162:  		ms10.page = ms6->page;
 3163: 
 3164: 		/*
 3165: 		 * 10 byte mode header, block descriptor,
 3166: 		 * sizeof(union cd_pages)
 3167: 		 */
 3168: 		len = sizeof(struct cd_mode_data_10);
 3169: 		ccb->csio.dxfer_len = len;
 3170: 
 3171: 		scsi_ulto2b(len, ms10.length);
 3172: 		ms10.control = ms6->control;
 3173: 		bcopy(&ms10, cdb, 10);
 3174: 		ccb->csio.cdb_len = 10;
 3175: 	} else {
 3176: 		struct scsi_mode_select_10 ms10;
 3177: 		struct scsi_mode_select_6 *ms6;
 3178: 		struct scsi_mode_header_6 *header6;
 3179: 		struct scsi_mode_header_10 *header10;
 3180: 		struct scsi_mode_page_header *page_header;
 3181: 		int blk_desc_len, page_num, page_size, len;
 3182: 
 3183: 		ms6 = (struct scsi_mode_select_6 *)cdb;
 3184: 
 3185: 		bzero(&ms10, sizeof(ms10));
 3186: 		ms10.opcode = MODE_SELECT_10;
 3187: 		ms10.byte2 = ms6->byte2;
 3188: 
 3189: 		header6 = (struct scsi_mode_header_6 *)params->mode_buf;
 3190: 		header10 = (struct scsi_mode_header_10 *)params->mode_buf;
 3191: 
 3192: 		page_header = find_mode_page_6(header6);
 3193: 		page_num = page_header->page_code;
 3194: 
 3195: 		blk_desc_len = header6->blk_desc_len;
 3196: 
 3197: 		page_size = cdgetpagesize(page_num);
 3198: 
 3199: 		if (page_size != (page_header->page_length +
 3200: 		    sizeof(*page_header)))
 3201: 			page_size = page_header->page_length +
 3202: 				sizeof(*page_header);
 3203: 
 3204: 		len = sizeof(*header10) + blk_desc_len + page_size;
 3205: 
 3206: 		len = min(params->alloc_len, len);
 3207: 
 3208: 		/*
 3209: 		 * Since the 6 byte parameter header is shorter than the 10
 3210: 		 * byte parameter header, we need to copy the actual mode
 3211: 		 * page data, and the block descriptor, if any, so things wind
 3212: 		 * up in the right place.  The regions will overlap, but
 3213: 		 * bcopy() does the right thing.
 3214: 		 */
 3215: 		bcopy(params->mode_buf + sizeof(*header6),
 3216: 		      params->mode_buf + sizeof(*header10),
 3217: 		      len - sizeof(*header10));
 3218: 
 3219: 		/* Make sure these fields are set correctly. */
 3220: 		scsi_ulto2b(0, header10->data_length);
 3221: 		header10->medium_type = 0;
 3222: 		scsi_ulto2b(blk_desc_len, header10->blk_desc_len);
 3223: 
 3224: 		ccb->csio.dxfer_len = len;
 3225: 
 3226: 		scsi_ulto2b(len, ms10.length);
 3227: 		ms10.control = ms6->control;
 3228: 		bcopy(&ms10, cdb, 10);
 3229: 		ccb->csio.cdb_len = 10;
 3230: 	}
 3231: 
 3232: 	frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0;
 3233: 	ccb->ccb_h.status = CAM_REQUEUE_REQ;
 3234: 	xpt_action(ccb);
 3235: 	if (frozen) {
 3236: 		cam_release_devq(ccb->ccb_h.path,
 3237: 				 /*relsim_flags*/0,
 3238: 				 /*openings*/0,
 3239: 				 /*timeout*/0,
 3240: 				 /*getcount_only*/0);
 3241: 	}
 3242: 
 3243: 	return (ERESTART);
 3244: }
 3245: 
 3246: static int
 3247: cderror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags)
 3248: {
 3249: 	struct cd_softc *softc;
 3250: 	struct cam_periph *periph;
 3251: 	int error;
 3252: 
 3253: 	periph = xpt_path_periph(ccb->ccb_h.path);
 3254: 	softc = (struct cd_softc *)periph->softc;
 3255: 
 3256: 	error = 0;
 3257: 
 3258: 	/*
 3259: 	 * We use a status of CAM_REQ_INVALID as shorthand -- if a 6 byte
 3260: 	 * CDB comes back with this particular error, try transforming it
 3261: 	 * into the 10 byte version.
 3262: 	 */
 3263: 	if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) {
 3264: 		error = cd6byteworkaround(ccb);
 3265: 	} else if (((ccb->ccb_h.status & CAM_STATUS_MASK) ==
 3266: 		     CAM_SCSI_STATUS_ERROR)
 3267: 	 && (ccb->ccb_h.status & CAM_AUTOSNS_VALID)
 3268: 	 && (ccb->csio.scsi_status == SCSI_STATUS_CHECK_COND)
 3269: 	 && ((ccb->ccb_h.flags & CAM_SENSE_PHYS) == 0)
 3270: 	 && ((ccb->ccb_h.flags & CAM_SENSE_PTR) == 0)) {
 3271: 		int sense_key, error_code, asc, ascq;
 3272: 
 3273:  		scsi_extract_sense(&ccb->csio.sense_data,
 3274: 				   &error_code, &sense_key, &asc, &ascq);
 3275: 		if (sense_key == SSD_KEY_ILLEGAL_REQUEST)
 3276:  			error = cd6byteworkaround(ccb);
 3277: 	}
 3278: 
 3279: 	if (error == ERESTART)
 3280: 		return (error);
 3281: 
 3282: 	/*
 3283: 	 * XXX
 3284: 	 * Until we have a better way of doing pack validation,
 3285: 	 * don't treat UAs as errors.
 3286: 	 */
 3287: 	sense_flags |= SF_RETRY_UA;
 3288: 	return (cam_periph_error(ccb, cam_flags, sense_flags, 
 3289: 				 &softc->saved_ccb));
 3290: }
 3291: 
 3292: /*
 3293:  * Read table of contents
 3294:  */
 3295: static int 
 3296: cdreadtoc(struct cam_periph *periph, u_int32_t mode, u_int32_t start, 
 3297: 	  u_int8_t *data, u_int32_t len, u_int32_t sense_flags)
 3298: {
 3299: 	struct scsi_read_toc *scsi_cmd;
 3300: 	u_int32_t ntoc;
 3301:         struct ccb_scsiio *csio;
 3302: 	union ccb *ccb;
 3303: 	int error;
 3304: 
 3305: 	ntoc = len;
 3306: 	error = 0;
 3307: 
 3308: 	ccb = cdgetccb(periph, /* priority */ 1);
 3309: 
 3310: 	csio = &ccb->csio;
 3311: 
 3312: 	cam_fill_csio(csio, 
 3313: 		      /* retries */ 1, 
 3314: 		      /* cbfcnp */ cddone, 
 3315: 		      /* flags */ CAM_DIR_IN,
 3316: 		      /* tag_action */ MSG_SIMPLE_Q_TAG,
 3317: 		      /* data_ptr */ data,
 3318: 		      /* dxfer_len */ len,
 3319: 		      /* sense_len */ SSD_FULL_SIZE,
 3320: 		      sizeof(struct scsi_read_toc),
 3321:  		      /* timeout */ 50000);
 3322: 
 3323: 	scsi_cmd = (struct scsi_read_toc *)&csio->cdb_io.cdb_bytes;
 3324: 	bzero (scsi_cmd, sizeof(*scsi_cmd));
 3325: 
 3326: 	if (mode == CD_MSF_FORMAT)
 3327: 		scsi_cmd->byte2 |= CD_MSF;
 3328: 	scsi_cmd->from_track = start;
 3329: 	/* scsi_ulto2b(ntoc, (u_int8_t *)scsi_cmd->data_len); */
 3330: 	scsi_cmd->data_len[0] = (ntoc) >> 8;
 3331: 	scsi_cmd->data_len[1] = (ntoc) & 0xff;
 3332: 
 3333: 	scsi_cmd->op_code = READ_TOC;
 3334: 
 3335: 	error = cdrunccb(ccb, cderror, /*cam_flags*/0,
 3336: 			 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO |
 3337: 			 sense_flags);
 3338: 
 3339: 	xpt_release_ccb(ccb);
 3340: 
 3341: 	return(error);
 3342: }
 3343: 
 3344: static int
 3345: cdreadsubchannel(struct cam_periph *periph, u_int32_t mode, 
 3346: 		 u_int32_t format, int track, 
 3347: 		 struct cd_sub_channel_info *data, u_int32_t len) 
 3348: {
 3349: 	struct scsi_read_subchannel *scsi_cmd;
 3350:         struct ccb_scsiio *csio;
 3351: 	union ccb *ccb;
 3352: 	int error;
 3353: 
 3354: 	error = 0;
 3355: 
 3356: 	ccb = cdgetccb(periph, /* priority */ 1);
 3357: 
 3358: 	csio = &ccb->csio;
 3359: 
 3360: 	cam_fill_csio(csio, 
 3361: 		      /* retries */ 1, 
 3362: 		      /* cbfcnp */ cddone, 
 3363: 		      /* flags */ CAM_DIR_IN,
 3364: 		      /* tag_action */ MSG_SIMPLE_Q_TAG,
 3365: 		      /* data_ptr */ (u_int8_t *)data,
 3366: 		      /* dxfer_len */ len,
 3367: 		      /* sense_len */ SSD_FULL_SIZE,
 3368: 		      sizeof(struct scsi_read_subchannel),
 3369:  		      /* timeout */ 50000);
 3370: 
 3371: 	scsi_cmd = (struct scsi_read_subchannel *)&csio->cdb_io.cdb_bytes;
 3372: 	bzero (scsi_cmd, sizeof(*scsi_cmd));
 3373: 
 3374: 	scsi_cmd->op_code = READ_SUBCHANNEL;
 3375: 	if (mode == CD_MSF_FORMAT)
 3376: 		scsi_cmd->byte1 |= CD_MSF;
 3377: 	scsi_cmd->byte2 = SRS_SUBQ;
 3378: 	scsi_cmd->subchan_format = format;
 3379: 	scsi_cmd->track = track;
 3380: 	scsi_ulto2b(len, (u_int8_t *)scsi_cmd->data_len);
 3381: 	scsi_cmd->control = 0;
 3382: 
 3383: 	error = cdrunccb(ccb, cderror, /*cam_flags*/0,
 3384: 			 /*sense_flags*/SF_RETRY_UA|SF_RETRY_SELTO);
 3385: 
 3386: 	xpt_release_ccb(ccb);
 3387: 
 3388: 	return(error);
 3389: }
 3390: 
 3391: /*
 3392:  * All MODE_SENSE requests in the cd(4) driver MUST go through this
 3393:  * routine.  See comments in cd6byteworkaround() for details.
 3394:  */
 3395: static int
 3396: cdgetmode(struct cam_periph *periph, struct cd_mode_params *data,
 3397: 	  u_int32_t page)
 3398: {
 3399: 	struct ccb_scsiio *csio;
 3400: 	struct cd_softc *softc;
 3401: 	union ccb *ccb;
 3402: 	int param_len;
 3403: 	int error;
 3404: 
 3405: 	softc = (struct cd_softc *)periph->softc;
 3406: 
 3407: 	ccb = cdgetccb(periph, /* priority */ 1);
 3408: 
 3409: 	csio = &ccb->csio;
 3410: 
 3411: 	data->cdb_size = softc->minimum_command_size;
 3412: 	if (data->cdb_size < 10)
 3413: 		param_len = sizeof(struct cd_mode_data);
 3414: 	else
 3415: 		param_len = sizeof(struct cd_mode_data_10);
 3416: 
 3417: 	/* Don't say we've got more room than we actually allocated */
 3418: 	param_len = min(param_len, data->alloc_len);
 3419: 
 3420: 	scsi_mode_sense_len(csio,
 3421: 			    /* retries */ 1,
 3422: 			    /* cbfcnp */ cddone,
 3423: 			    /* tag_action */ MSG_SIMPLE_Q_TAG,
 3424: 			    /* dbd */ 0,
 3425: 			    /* page_code */ SMS_PAGE_CTRL_CURRENT,
 3426: 			    /* page */ page,
 3427: 			    /* param_buf */ data->mode_buf,
 3428: 			    /* param_len */ param_len,
 3429: 			    /* minimum_cmd_size */ softc->minimum_command_size,
 3430: 			    /* sense_len */ SSD_FULL_SIZE,
 3431: 			    /* timeout */ 50000);
 3432: 
 3433: 	/*
 3434: 	 * It would be nice not to have to do this, but there's no
 3435: 	 * available pointer in the CCB that would allow us to stuff the
 3436: 	 * mode params structure in there and retrieve it in
 3437: 	 * cd6byteworkaround(), so we can set the cdb size.  The cdb size
 3438: 	 * lets the caller know what CDB size we ended up using, so they
 3439: 	 * can find the actual mode page offset.
 3440: 	 */
 3441: 	STAILQ_INSERT_TAIL(&softc->mode_queue, data, links);
 3442: 
 3443: 	error = cdrunccb(ccb, cderror, /*cam_flags*/0,
 3444: 			 /*sense_flags*/SF_RETRY_UA|SF_RETRY_SELTO);
 3445: 
 3446: 	xpt_release_ccb(ccb);
 3447: 
 3448: 	STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links);
 3449: 
 3450: 	/*
 3451: 	 * This is a bit of belt-and-suspenders checking, but if we run
 3452: 	 * into a situation where the target sends back multiple block
 3453: 	 * descriptors, we might not have enough space in the buffer to
 3454: 	 * see the whole mode page.  Better to return an error than
 3455: 	 * potentially access memory beyond our malloced region.
 3456: 	 */
 3457: 	if (error == 0) {
 3458: 		u_int32_t data_len;
 3459: 
 3460: 		if (data->cdb_size == 10) {
 3461: 			struct scsi_mode_header_10 *hdr10;
 3462: 
 3463: 			hdr10 = (struct scsi_mode_header_10 *)data->mode_buf;
 3464: 			data_len = scsi_2btoul(hdr10->data_length);
 3465: 			data_len += sizeof(hdr10->data_length);
 3466: 		} else {
 3467: 			struct scsi_mode_header_6 *hdr6;
 3468: 
 3469: 			hdr6 = (struct scsi_mode_header_6 *)data->mode_buf;
 3470: 			data_len = hdr6->data_length;
 3471: 			data_len += sizeof(hdr6->data_length);
 3472: 		}
 3473: 
 3474: 		/*
 3475: 		 * Complain if there is more mode data available than we
 3476: 		 * allocated space for.  This could potentially happen if
 3477: 		 * we miscalculated the page length for some reason, if the
 3478: 		 * drive returns multiple block descriptors, or if it sets
 3479: 		 * the data length incorrectly.
 3480: 		 */
 3481: 		if (data_len > data->alloc_len) {
 3482: 			xpt_print_path(periph->path);
 3483: 			printf("allocated modepage %d length %d < returned "
 3484: 			       "length %d\n", page, data->alloc_len, data_len);
 3485: 
 3486: 			error = ENOSPC;
 3487: 		}
 3488: 	}
 3489: 	return (error);
 3490: }
 3491: 
 3492: /*
 3493:  * All MODE_SELECT requests in the cd(4) driver MUST go through this
 3494:  * routine.  See comments in cd6byteworkaround() for details.
 3495:  */
 3496: static int
 3497: cdsetmode(struct cam_periph *periph, struct cd_mode_params *data)
 3498: {
 3499: 	struct ccb_scsiio *csio;
 3500: 	struct cd_softc *softc;
 3501: 	union ccb *ccb;
 3502: 	int cdb_size, param_len;
 3503: 	int error;
 3504: 
 3505: 	softc = (struct cd_softc *)periph->softc;
 3506: 
 3507: 	ccb = cdgetccb(periph, /* priority */ 1);
 3508: 
 3509: 	csio = &ccb->csio;
 3510: 
 3511: 	error = 0;
 3512: 
 3513: 	/*
 3514: 	 * If the data is formatted for the 10 byte version of the mode
 3515: 	 * select parameter list, we need to use the 10 byte CDB.
 3516: 	 * Otherwise, we use whatever the stored minimum command size.
 3517: 	 */
 3518: 	if (data->cdb_size == 10)
 3519: 		cdb_size = data->cdb_size;
 3520: 	else
 3521: 		cdb_size = softc->minimum_command_size;
 3522: 
 3523: 	if (cdb_size >= 10) {
 3524: 		struct scsi_mode_header_10 *mode_header;
 3525: 		u_int32_t data_len;
 3526: 
 3527: 		mode_header = (struct scsi_mode_header_10 *)data->mode_buf;
 3528: 
 3529: 		data_len = scsi_2btoul(mode_header->data_length);
 3530: 
 3531: 		scsi_ulto2b(0, mode_header->data_length);
 3532: 		/*
 3533: 		 * SONY drives do not allow a mode select with a medium_type
 3534: 		 * value that has just been returned by a mode sense; use a
 3535: 		 * medium_type of 0 (Default) instead.
 3536: 		 */
 3537: 		mode_header->medium_type = 0;
 3538: 
 3539: 		/*
 3540: 		 * Pass back whatever the drive passed to us, plus the size
 3541: 		 * of the data length field.
 3542: 		 */
 3543: 		param_len = data_len + sizeof(mode_header->data_length);
 3544: 
 3545: 	} else {
 3546: 		struct scsi_mode_header_6 *mode_header;
 3547: 
 3548: 		mode_header = (struct scsi_mode_header_6 *)data->mode_buf;
 3549: 
 3550: 		param_len = mode_header->data_length + 1;
 3551: 
 3552: 		mode_header->data_length = 0;
 3553: 		/*
 3554: 		 * SONY drives do not allow a mode select with a medium_type
 3555: 		 * value that has just been returned by a mode sense; use a
 3556: 		 * medium_type of 0 (Default) instead.
 3557: 		 */
 3558: 		mode_header->medium_type = 0;
 3559: 	}
 3560: 
 3561: 	/* Don't say we've got more room than we actually allocated */
 3562: 	param_len = min(param_len, data->alloc_len);
 3563: 
 3564: 	scsi_mode_select_len(csio,
 3565: 			     /* retries */ 1,
 3566: 			     /* cbfcnp */ cddone,
 3567: 			     /* tag_action */ MSG_SIMPLE_Q_TAG,
 3568: 			     /* scsi_page_fmt */ 1,
 3569: 			     /* save_pages */ 0,
 3570: 			     /* param_buf */ data->mode_buf,
 3571: 			     /* param_len */ param_len,
 3572: 			     /* minimum_cmd_size */ cdb_size,
 3573: 			     /* sense_len */ SSD_FULL_SIZE,
 3574: 			     /* timeout */ 50000);
 3575: 
 3576: 	/* See comments in cdgetmode() and cd6byteworkaround(). */
 3577: 	STAILQ_INSERT_TAIL(&softc->mode_queue, data, links);
 3578: 
 3579: 	error = cdrunccb(ccb, cderror, /*cam_flags*/0,
 3580: 			 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO);
 3581: 
 3582: 	xpt_release_ccb(ccb);
 3583: 
 3584: 	STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links);
 3585: 
 3586: 	return (error);
 3587: }
 3588: 
 3589:   
 3590: 
 3591: static int 
 3592: cdplay(struct cam_periph *periph, u_int32_t blk, u_int32_t len)
 3593: {
 3594: 	struct ccb_scsiio *csio;
 3595: 	union ccb *ccb;
 3596: 	int error;
 3597: 	u_int8_t cdb_len;
 3598: 
 3599: 	error = 0;
 3600: 	ccb = cdgetccb(periph, /* priority */ 1);
 3601: 	csio = &ccb->csio;
 3602: 	/*
 3603: 	 * Use the smallest possible command to perform the operation.
 3604: 	 */
 3605: 	if ((len & 0xffff0000) == 0) {
 3606: 		/*
 3607: 		 * We can fit in a 10 byte cdb.
 3608: 		 */
 3609: 		struct scsi_play_10 *scsi_cmd;
 3610: 
 3611: 		scsi_cmd = (struct scsi_play_10 *)&csio->cdb_io.cdb_bytes;
 3612: 		bzero (scsi_cmd, sizeof(*scsi_cmd));
 3613: 		scsi_cmd->op_code = PLAY_10;
 3614: 		scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr);
 3615: 		scsi_ulto2b(len, (u_int8_t *)scsi_cmd->xfer_len);
 3616: 		cdb_len = sizeof(*scsi_cmd);
 3617: 	} else  {
 3618: 		struct scsi_play_12 *scsi_cmd;
 3619: 
 3620: 		scsi_cmd = (struct scsi_play_12 *)&csio->cdb_io.cdb_bytes;
 3621: 		bzero (scsi_cmd, sizeof(*scsi_cmd));
 3622: 		scsi_cmd->op_code = PLAY_12;
 3623: 		scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr);
 3624: 		scsi_ulto4b(len, (u_int8_t *)scsi_cmd->xfer_len);
 3625: 		cdb_len = sizeof(*scsi_cmd);
 3626: 	}
 3627: 	cam_fill_csio(csio,
 3628: 		      /*retries*/2,
 3629: 		      cddone,
 3630: 		      /*flags*/CAM_DIR_NONE,
 3631: 		      MSG_SIMPLE_Q_TAG,
 3632: 		      /*dataptr*/NULL,
 3633: 		      /*datalen*/0,
 3634: 		      /*sense_len*/SSD_FULL_SIZE,
 3635: 		      cdb_len,
 3636: 		      /*timeout*/50 * 1000);
 3637: 
 3638: 	error = cdrunccb(ccb, cderror, /*cam_flags*/0,
 3639: 			 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO);
 3640: 
 3641: 	xpt_release_ccb(ccb);
 3642: 
 3643: 	return(error);
 3644: }
 3645: 
 3646: static int
 3647: cdplaymsf(struct cam_periph *periph, u_int32_t startm, u_int32_t starts,
 3648: 	  u_int32_t startf, u_int32_t endm, u_int32_t ends, u_int32_t endf)
 3649: {
 3650: 	struct scsi_play_msf *scsi_cmd;
 3651:         struct ccb_scsiio *csio;
 3652: 	union ccb *ccb;
 3653: 	int error;
 3654: 
 3655: 	error = 0;
 3656: 
 3657: 	ccb = cdgetccb(periph, /* priority */ 1);
 3658: 
 3659: 	csio = &ccb->csio;
 3660: 
 3661: 	cam_fill_csio(csio, 
 3662: 		      /* retries */ 1, 
 3663: 		      /* cbfcnp */ cddone, 
 3664: 		      /* flags */ CAM_DIR_NONE,
 3665: 		      /* tag_action */ MSG_SIMPLE_Q_TAG,
 3666: 		      /* data_ptr */ NULL,
 3667: 		      /* dxfer_len */ 0,
 3668: 		      /* sense_len */ SSD_FULL_SIZE,
 3669: 		      sizeof(struct scsi_play_msf),
 3670:  		      /* timeout */ 50000);
 3671: 
 3672: 	scsi_cmd = (struct scsi_play_msf *)&csio->cdb_io.cdb_bytes;
 3673: 	bzero (scsi_cmd, sizeof(*scsi_cmd));
 3674: 
 3675:         scsi_cmd->op_code = PLAY_MSF;
 3676:         scsi_cmd->start_m = startm;
 3677:         scsi_cmd->start_s = starts;
 3678:         scsi_cmd->start_f = startf;
 3679:         scsi_cmd->end_m = endm;
 3680:         scsi_cmd->end_s = ends;
 3681:         scsi_cmd->end_f = endf; 
 3682: 
 3683: 	error = cdrunccb(ccb, cderror, /*cam_flags*/0,
 3684: 			 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO);
 3685: 	
 3686: 	xpt_release_ccb(ccb);
 3687: 
 3688: 	return(error);
 3689: }
 3690: 
 3691: 
 3692: static int
 3693: cdplaytracks(struct cam_periph *periph, u_int32_t strack, u_int32_t sindex,
 3694: 	     u_int32_t etrack, u_int32_t eindex)
 3695: {
 3696: 	struct scsi_play_track *scsi_cmd;
 3697:         struct ccb_scsiio *csio;
 3698: 	union ccb *ccb;
 3699: 	int error;
 3700: 
 3701: 	error = 0;
 3702: 
 3703: 	ccb = cdgetccb(periph, /* priority */ 1);
 3704: 
 3705: 	csio = &ccb->csio;
 3706: 
 3707: 	cam_fill_csio(csio, 
 3708: 		      /* retries */ 1, 
 3709: 		      /* cbfcnp */ cddone, 
 3710: 		      /* flags */ CAM_DIR_NONE,
 3711: 		      /* tag_action */ MSG_SIMPLE_Q_TAG,
 3712: 		      /* data_ptr */ NULL,
 3713: 		      /* dxfer_len */ 0,
 3714: 		      /* sense_len */ SSD_FULL_SIZE,
 3715: 		      sizeof(struct scsi_play_track),
 3716:  		      /* timeout */ 50000);
 3717: 
 3718: 	scsi_cmd = (struct scsi_play_track *)&csio->cdb_io.cdb_bytes;
 3719: 	bzero (scsi_cmd, sizeof(*scsi_cmd));
 3720: 
 3721:         scsi_cmd->op_code = PLAY_TRACK;
 3722:         scsi_cmd->start_track = strack;
 3723:         scsi_cmd->start_index = sindex;
 3724:         scsi_cmd->end_track = etrack;
 3725:         scsi_cmd->end_index = eindex;
 3726: 
 3727: 	error = cdrunccb(ccb, cderror, /*cam_flags*/0,
 3728: 			 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO);
 3729: 
 3730: 	xpt_release_ccb(ccb);
 3731: 
 3732: 	return(error);
 3733: }
 3734: 
 3735: static int
 3736: cdpause(struct cam_periph *periph, u_int32_t go)
 3737: {
 3738: 	struct scsi_pause *scsi_cmd;
 3739:         struct ccb_scsiio *csio;
 3740: 	union ccb *ccb;
 3741: 	int error;
 3742: 
 3743: 	error = 0;
 3744: 
 3745: 	ccb = cdgetccb(periph, /* priority */ 1);
 3746: 
 3747: 	csio = &ccb->csio;
 3748: 
 3749: 	cam_fill_csio(csio, 
 3750: 		      /* retries */ 1, 
 3751: 		      /* cbfcnp */ cddone, 
 3752: 		      /* flags */ CAM_DIR_NONE,
 3753: 		      /* tag_action */ MSG_SIMPLE_Q_TAG,
 3754: 		      /* data_ptr */ NULL,
 3755: 		      /* dxfer_len */ 0,
 3756: 		      /* sense_len */ SSD_FULL_SIZE,
 3757: 		      sizeof(struct scsi_pause),
 3758:  		      /* timeout */ 50000);
 3759: 
 3760: 	scsi_cmd = (struct scsi_pause *)&csio->cdb_io.cdb_bytes;
 3761: 	bzero (scsi_cmd, sizeof(*scsi_cmd));
 3762: 
 3763:         scsi_cmd->op_code = PAUSE;
 3764: 	scsi_cmd->resume = go;
 3765: 
 3766: 	error = cdrunccb(ccb, cderror, /*cam_flags*/0,
 3767: 			 /*sense_flags*/SF_RETRY_UA |SF_RETRY_SELTO);
 3768: 
 3769: 	xpt_release_ccb(ccb);
 3770: 
 3771: 	return(error);
 3772: }
 3773: 
 3774: static int
 3775: cdstartunit(struct cam_periph *periph, int load)
 3776: {
 3777: 	union ccb *ccb;
 3778: 	int error;
 3779: 
 3780: 	error = 0;
 3781: 
 3782: 	ccb = cdgetccb(periph, /* priority */ 1);
 3783: 
 3784: 	scsi_start_stop(&ccb->csio,
 3785: 			/* retries */ 1,
 3786: 			/* cbfcnp */ cddone,
 3787: 			/* tag_action */ MSG_SIMPLE_Q_TAG,
 3788: 			/* start */ TRUE,
 3789: 			/* load_eject */ load,
 3790: 			/* immediate */ FALSE,
 3791: 			/* sense_len */ SSD_FULL_SIZE,
 3792: 			/* timeout */ 50000);
 3793: 
 3794: 	error = cdrunccb(ccb, cderror, /*cam_flags*/0,
 3795: 			 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO);
 3796: 
 3797: 	xpt_release_ccb(ccb);
 3798: 
 3799: 	return(error);
 3800: }
 3801: 
 3802: static int
 3803: cdstopunit(struct cam_periph *periph, u_int32_t eject)
 3804: {
 3805: 	union ccb *ccb;
 3806: 	int error;
 3807: 
 3808: 	error = 0;
 3809: 
 3810: 	ccb = cdgetccb(periph, /* priority */ 1);
 3811: 
 3812: 	scsi_start_stop(&ccb->csio,
 3813: 			/* retries */ 1,
 3814: 			/* cbfcnp */ cddone,
 3815: 			/* tag_action */ MSG_SIMPLE_Q_TAG,
 3816: 			/* start */ FALSE,
 3817: 			/* load_eject */ eject,
 3818: 			/* immediate */ FALSE,
 3819: 			/* sense_len */ SSD_FULL_SIZE,
 3820: 			/* timeout */ 50000);
 3821: 
 3822: 	error = cdrunccb(ccb, cderror, /*cam_flags*/0,
 3823: 			 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO);
 3824: 
 3825: 	xpt_release_ccb(ccb);
 3826: 
 3827: 	return(error);
 3828: }
 3829: 
 3830: static int
 3831: cdsetspeed(struct cam_periph *periph, u_int32_t rdspeed, u_int32_t wrspeed)
 3832: {
 3833: 	struct scsi_set_speed *scsi_cmd;
 3834: 	struct ccb_scsiio *csio;
 3835: 	union ccb *ccb;
 3836: 	int error;
 3837: 
 3838: 	error = 0;
 3839: 	ccb = cdgetccb(periph, /* priority */ 1);
 3840: 	csio = &ccb->csio;
 3841: 
 3842: 	/* Preserve old behavior: units in multiples of CDROM speed */
 3843: 	if (rdspeed < 177)
 3844: 		rdspeed *= 177;
 3845: 	if (wrspeed < 177)
 3846: 		wrspeed *= 177;
 3847: 
 3848: 	cam_fill_csio(csio,
 3849: 		      /* retries */ 1,
 3850: 		      /* cbfcnp */ cddone,
 3851: 		      /* flags */ CAM_DIR_NONE,
 3852: 		      /* tag_action */ MSG_SIMPLE_Q_TAG,
 3853: 		      /* data_ptr */ NULL,
 3854: 		      /* dxfer_len */ 0,
 3855: 		      /* sense_len */ SSD_FULL_SIZE,
 3856: 		      sizeof(struct scsi_set_speed),
 3857:  		      /* timeout */ 50000);
 3858: 
 3859: 	scsi_cmd = (struct scsi_set_speed *)&csio->cdb_io.cdb_bytes;
 3860: 	bzero(scsi_cmd, sizeof(*scsi_cmd));
 3861: 
 3862: 	scsi_cmd->opcode = SET_CD_SPEED;
 3863: 	scsi_ulto2b(rdspeed, scsi_cmd->readspeed);
 3864: 	scsi_ulto2b(wrspeed, scsi_cmd->writespeed);
 3865: 
 3866: 	error = cdrunccb(ccb, cderror, /*cam_flags*/0,
 3867: 			 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO);
 3868: 
 3869: 	xpt_release_ccb(ccb);
 3870: 
 3871: 	return(error);
 3872: }
 3873: 
 3874: static int
 3875: cdreportkey(struct cam_periph *periph, struct dvd_authinfo *authinfo)
 3876: {
 3877: 	union ccb *ccb;
 3878: 	u_int8_t *databuf;
 3879: 	u_int32_t lba;
 3880: 	int error;
 3881: 	int length;
 3882: 
 3883: 	error = 0;
 3884: 	databuf = NULL;
 3885: 	lba = 0;
 3886: 
 3887: 	ccb = cdgetccb(periph, /* priority */ 1);
 3888: 
 3889: 	switch (authinfo->format) {
 3890: 	case DVD_REPORT_AGID:
 3891: 		length = sizeof(struct scsi_report_key_data_agid);
 3892: 		break;
 3893: 	case DVD_REPORT_CHALLENGE:
 3894: 		length = sizeof(struct scsi_report_key_data_challenge);
 3895: 		break;
 3896: 	case DVD_REPORT_KEY1:
 3897: 		length = sizeof(struct scsi_report_key_data_key1_key2);
 3898: 		break;
 3899: 	case DVD_REPORT_TITLE_KEY:
 3900: 		length = sizeof(struct scsi_report_key_data_title);
 3901: 		/* The lba field is only set for the title key */
 3902: 		lba = authinfo->lba;
 3903: 		break;
 3904: 	case DVD_REPORT_ASF:
 3905: 		length = sizeof(struct scsi_report_key_data_asf);
 3906: 		break;
 3907: 	case DVD_REPORT_RPC:
 3908: 		length = sizeof(struct scsi_report_key_data_rpc);
 3909: 		break;
 3910: 	case DVD_INVALIDATE_AGID:
 3911: 		length = 0;
 3912: 		break;
 3913: 	default:
 3914: 		error = EINVAL;
 3915: 		goto bailout;
 3916: 		break; /* NOTREACHED */
 3917: 	}
 3918: 
 3919: 	if (length != 0) {
 3920: 		databuf = malloc(length, M_DEVBUF, M_INTWAIT | M_ZERO);
 3921: 	} else {
 3922: 		databuf = NULL;
 3923: 	}
 3924: 
 3925: 
 3926: 	scsi_report_key(&ccb->csio,
 3927: 			/* retries */ 1,
 3928: 			/* cbfcnp */ cddone,
 3929: 			/* tag_action */ MSG_SIMPLE_Q_TAG,
 3930: 			/* lba */ lba,
 3931: 			/* agid */ authinfo->agid,
 3932: 			/* key_format */ authinfo->format,
 3933: 			/* data_ptr */ databuf,
 3934: 			/* dxfer_len */ length,
 3935: 			/* sense_len */ SSD_FULL_SIZE,
 3936: 			/* timeout */ 50000);
 3937: 
 3938: 	error = cdrunccb(ccb, cderror, /*cam_flags*/0,
 3939: 			 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO);
 3940: 
 3941: 	if (error != 0)
 3942: 		goto bailout;
 3943: 
 3944: 	if (ccb->csio.resid != 0) {
 3945: 		xpt_print_path(periph->path);
 3946: 		printf("warning, residual for report key command is %d\n",
 3947: 		       ccb->csio.resid);
 3948: 	}
 3949: 
 3950: 	switch(authinfo->format) {
 3951: 	case DVD_REPORT_AGID: {
 3952: 		struct scsi_report_key_data_agid *agid_data;
 3953: 
 3954: 		agid_data = (struct scsi_report_key_data_agid *)databuf;
 3955: 
 3956: 		authinfo->agid = (agid_data->agid & RKD_AGID_MASK) >>
 3957: 			RKD_AGID_SHIFT;
 3958: 		break;
 3959: 	}
 3960: 	case DVD_REPORT_CHALLENGE: {
 3961: 		struct scsi_report_key_data_challenge *chal_data;
 3962: 
 3963: 		chal_data = (struct scsi_report_key_data_challenge *)databuf;
 3964: 
 3965: 		bcopy(chal_data->challenge_key, authinfo->keychal,
 3966: 		      min(sizeof(chal_data->challenge_key),
 3967: 		          sizeof(authinfo->keychal)));
 3968: 		break;
 3969: 	}
 3970: 	case DVD_REPORT_KEY1: {
 3971: 		struct scsi_report_key_data_key1_key2 *key1_data;
 3972: 
 3973: 		key1_data = (struct scsi_report_key_data_key1_key2 *)databuf;
 3974: 
 3975: 		bcopy(key1_data->key1, authinfo->keychal,
 3976: 		      min(sizeof(key1_data->key1), sizeof(authinfo->keychal)));
 3977: 		break;
 3978: 	}
 3979: 	case DVD_REPORT_TITLE_KEY: {
 3980: 		struct scsi_report_key_data_title *title_data;
 3981: 
 3982: 		title_data = (struct scsi_report_key_data_title *)databuf;
 3983: 
 3984: 		authinfo->cpm = (title_data->byte0 & RKD_TITLE_CPM) >>
 3985: 			RKD_TITLE_CPM_SHIFT;
 3986: 		authinfo->cp_sec = (title_data->byte0 & RKD_TITLE_CP_SEC) >>
 3987: 			RKD_TITLE_CP_SEC_SHIFT;
 3988: 		authinfo->cgms = (title_data->byte0 & RKD_TITLE_CMGS_MASK) >>
 3989: 			RKD_TITLE_CMGS_SHIFT;
 3990: 		bcopy(title_data->title_key, authinfo->keychal,
 3991: 		      min(sizeof(title_data->title_key),
 3992: 			  sizeof(authinfo->keychal)));
 3993: 		break;
 3994: 	}
 3995: 	case DVD_REPORT_ASF: {
 3996: 		struct scsi_report_key_data_asf *asf_data;
 3997: 
 3998: 		asf_data = (struct scsi_report_key_data_asf *)databuf;
 3999: 
 4000: 		authinfo->asf = asf_data->success & RKD_ASF_SUCCESS;
 4001: 		break;
 4002: 	}
 4003: 	case DVD_REPORT_RPC: {
 4004: 		struct scsi_report_key_data_rpc *rpc_data;
 4005: 
 4006: 		rpc_data = (struct scsi_report_key_data_rpc *)databuf;
 4007: 
 4008: 		authinfo->reg_type = (rpc_data->byte4 & RKD_RPC_TYPE_MASK) >>
 4009: 			RKD_RPC_TYPE_SHIFT;
 4010: 		authinfo->vend_rsts =
 4011: 			(rpc_data->byte4 & RKD_RPC_VENDOR_RESET_MASK) >>
 4012: 			RKD_RPC_VENDOR_RESET_SHIFT;
 4013: 		authinfo->user_rsts = rpc_data->byte4 & RKD_RPC_USER_RESET_MASK;
 4014: 		authinfo->region = rpc_data->region_mask;
 4015: 		authinfo->rpc_scheme = rpc_data->rpc_scheme1;
 4016: 		break;
 4017: 	}
 4018: 	case DVD_INVALIDATE_AGID:
 4019: 		break;
 4020: 	default:
 4021: 		/* This should be impossible, since we checked above */
 4022: 		error = EINVAL;
 4023: 		goto bailout;
 4024: 		break; /* NOTREACHED */
 4025: 	}
 4026: bailout:
 4027: 	if (databuf != NULL)
 4028: 		free(databuf, M_DEVBUF);
 4029: 
 4030: 	xpt_release_ccb(ccb);
 4031: 
 4032: 	return(error);
 4033: }
 4034: 
 4035: static int
 4036: cdsendkey(struct cam_periph *periph, struct dvd_authinfo *authinfo)
 4037: {
 4038: 	union ccb *ccb;
 4039: 	u_int8_t *databuf;
 4040: 	int length;
 4041: 	int error;
 4042: 
 4043: 	error = 0;
 4044: 	databuf = NULL;
 4045: 
 4046: 	ccb = cdgetccb(periph, /* priority */ 1);
 4047: 
 4048: 	switch(authinfo->format) {
 4049: 	case DVD_SEND_CHALLENGE: {
 4050: 		struct scsi_report_key_data_challenge *challenge_data;
 4051: 
 4052: 		length = sizeof(*challenge_data);
 4053: 
 4054: 		challenge_data = malloc(length, M_DEVBUF, M_INTWAIT | M_ZERO);
 4055: 
 4056: 		databuf = (u_int8_t *)challenge_data;
 4057: 
 4058: 		scsi_ulto2b(length - sizeof(challenge_data->data_len),
 4059: 			    challenge_data->data_len);
 4060: 
 4061: 		bcopy(authinfo->keychal, challenge_data->challenge_key,
 4062: 		      min(sizeof(authinfo->keychal),
 4063: 			  sizeof(challenge_data->challenge_key)));
 4064: 		break;
 4065: 	}
 4066: 	case DVD_SEND_KEY2: {
 4067: 		struct scsi_report_key_data_key1_key2 *key2_data;
 4068: 
 4069: 		length = sizeof(*key2_data);
 4070: 
 4071: 		key2_data = malloc(length, M_DEVBUF, M_INTWAIT | M_ZERO);
 4072: 
 4073: 		databuf = (u_int8_t *)key2_data;
 4074: 
 4075: 		scsi_ulto2b(length - sizeof(key2_data->data_len),
 4076: 			    key2_data->data_len);
 4077: 
 4078: 		bcopy(authinfo->keychal, key2_data->key1,
 4079: 		      min(sizeof(authinfo->keychal), sizeof(key2_data->key1)));
 4080: 
 4081: 		break;
 4082: 	}
 4083: 	case DVD_SEND_RPC: {
 4084: 		struct scsi_send_key_data_rpc *rpc_data;
 4085: 
 4086: 		length = sizeof(*rpc_data);
 4087: 
 4088: 		rpc_data = malloc(length, M_DEVBUF, M_INTWAIT | M_ZERO);
 4089: 
 4090: 		databuf = (u_int8_t *)rpc_data;
 4091: 
 4092: 		scsi_ulto2b(length - sizeof(rpc_data->data_len),
 4093: 			    rpc_data->data_len);
 4094: 
 4095: 		rpc_data->region_code = authinfo->region;
 4096: 		break;
 4097: 	}
 4098: 	default:
 4099: 		error = EINVAL;
 4100: 		goto bailout;
 4101: 		break; /* NOTREACHED */
 4102: 	}
 4103: 
 4104: 	scsi_send_key(&ccb->csio,
 4105: 		      /* retries */ 1,
 4106: 		      /* cbfcnp */ cddone,
 4107: 		      /* tag_action */ MSG_SIMPLE_Q_TAG,
 4108: 		      /* agid */ authinfo->agid,
 4109: 		      /* key_format */ authinfo->format,
 4110: 		      /* data_ptr */ databuf,
 4111: 		      /* dxfer_len */ length,
 4112: 		      /* sense_len */ SSD_FULL_SIZE,
 4113: 		      /* timeout */ 50000);
 4114: 
 4115: 	error = cdrunccb(ccb, cderror, /*cam_flags*/0,
 4116: 			 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO);
 4117: 
 4118: bailout:
 4119: 
 4120: 	if (databuf != NULL)
 4121: 		free(databuf, M_DEVBUF);
 4122: 
 4123: 	xpt_release_ccb(ccb);
 4124: 
 4125: 	return(error);
 4126: }
 4127: 
 4128: static int
 4129: cdreaddvdstructure(struct cam_periph *periph, struct dvd_struct *dvdstruct)
 4130: {
 4131: 	union ccb *ccb;
 4132: 	u_int8_t *databuf;
 4133: 	u_int32_t address;
 4134: 	int error;
 4135: 	int length;
 4136: 
 4137: 	error = 0;
 4138: 	databuf = NULL;
 4139: 	/* The address is reserved for many of the formats */
 4140: 	address = 0;
 4141: 
 4142: 	ccb = cdgetccb(periph, /* priority */ 1);
 4143: 
 4144: 	switch(dvdstruct->format) {
 4145: 	case DVD_STRUCT_PHYSICAL:
 4146: 		length = sizeof(struct scsi_read_dvd_struct_data_physical);
 4147: 		break;
 4148: 	case DVD_STRUCT_COPYRIGHT:
 4149: 		length = sizeof(struct scsi_read_dvd_struct_data_copyright);
 4150: 		break;
 4151: 	case DVD_STRUCT_DISCKEY:
 4152: 		length = sizeof(struct scsi_read_dvd_struct_data_disc_key);
 4153: 		break;
 4154: 	case DVD_STRUCT_BCA:
 4155: 		length = sizeof(struct scsi_read_dvd_struct_data_bca);
 4156: 		break;
 4157: 	case DVD_STRUCT_MANUFACT:
 4158: 		length = sizeof(struct scsi_read_dvd_struct_data_manufacturer);
 4159: 		break;
 4160: 	case DVD_STRUCT_CMI:
 4161: 		error = ENODEV;
 4162: 		goto bailout;
 4163: #ifdef notyet
 4164: 		length = sizeof(struct scsi_read_dvd_struct_data_copy_manage);
 4165: 		address = dvdstruct->address;
 4166: #endif
 4167: 		break; /* NOTREACHED */
 4168: 	case DVD_STRUCT_PROTDISCID:
 4169: 		length = sizeof(struct scsi_read_dvd_struct_data_prot_discid);
 4170: 		break;
 4171: 	case DVD_STRUCT_DISCKEYBLOCK:
 4172: 		length = sizeof(struct scsi_read_dvd_struct_data_disc_key_blk);
 4173: 		break;
 4174: 	case DVD_STRUCT_DDS:
 4175: 		length = sizeof(struct scsi_read_dvd_struct_data_dds);
 4176: 		break;
 4177: 	case DVD_STRUCT_MEDIUM_STAT:
 4178: 		length = sizeof(struct scsi_read_dvd_struct_data_medium_status);
 4179: 		break;
 4180: 	case DVD_STRUCT_SPARE_AREA:
 4181: 		length = sizeof(struct scsi_read_dvd_struct_data_spare_area);
 4182: 		break;
 4183: 	case DVD_STRUCT_RMD_LAST:
 4184: 		error = ENODEV;
 4185: 		goto bailout;
 4186: #ifdef notyet
 4187: 		length = sizeof(struct scsi_read_dvd_struct_data_rmd_borderout);
 4188: 		address = dvdstruct->address;
 4189: #endif
 4190: 		break; /* NOTREACHED */
 4191: 	case DVD_STRUCT_RMD_RMA:
 4192: 		error = ENODEV;
 4193: 		goto bailout;
 4194: #ifdef notyet
 4195: 		length = sizeof(struct scsi_read_dvd_struct_data_rmd);
 4196: 		address = dvdstruct->address;
 4197: #endif
 4198: 		break; /* NOTREACHED */
 4199: 	case DVD_STRUCT_PRERECORDED:
 4200: 		length = sizeof(struct scsi_read_dvd_struct_data_leadin);
 4201: 		break;
 4202: 	case DVD_STRUCT_UNIQUEID:
 4203: 		length = sizeof(struct scsi_read_dvd_struct_data_disc_id);
 4204: 		break;
 4205: 	case DVD_STRUCT_DCB:
 4206: 		error = ENODEV;
 4207: 		goto bailout;
 4208: #ifdef notyet
 4209: 		length = sizeof(struct scsi_read_dvd_struct_data_dcb);
 4210: 		address = dvdstruct->address;
 4211: #endif
 4212: 		break; /* NOTREACHED */
 4213: 	case DVD_STRUCT_LIST:
 4214: 		/*
 4215: 		 * This is the maximum allocation length for the READ DVD
 4216: 		 * STRUCTURE command.  There's nothing in the MMC3 spec
 4217: 		 * that indicates a limit in the amount of data that can
 4218: 		 * be returned from this call, other than the limits
 4219: 		 * imposed by the 2-byte length variables.
 4220: 		 */
 4221: 		length = 65535;
 4222: 		break;
 4223: 	default:
 4224: 		error = EINVAL;
 4225: 		goto bailout;
 4226: 		break; /* NOTREACHED */
 4227: 	}
 4228: 
 4229: 	if (length != 0) {
 4230: 		databuf = malloc(length, M_DEVBUF, M_INTWAIT | M_ZERO);
 4231: 	} else {
 4232: 		databuf = NULL;
 4233: 	}
 4234: 
 4235: 	scsi_read_dvd_structure(&ccb->csio,
 4236: 				/* retries */ 1,
 4237: 				/* cbfcnp */ cddone,
 4238: 				/* tag_action */ MSG_SIMPLE_Q_TAG,
 4239: 				/* lba */ address,
 4240: 				/* layer_number */ dvdstruct->layer_num,
 4241: 				/* key_format */ dvdstruct->format,
 4242: 				/* agid */ dvdstruct->agid,
 4243: 				/* data_ptr */ databuf,
 4244: 				/* dxfer_len */ length,
 4245: 				/* sense_len */ SSD_FULL_SIZE,
 4246: 				/* timeout */ 50000);
 4247: 
 4248: 	error = cdrunccb(ccb, cderror, /*cam_flags*/0,
 4249: 			 /*sense_flags*/SF_RETRY_UA | SF_RETRY_SELTO);
 4250: 
 4251: 	if (error != 0)
 4252: 		goto bailout;
 4253: 
 4254: 	switch(dvdstruct->format) {
 4255: 	case DVD_STRUCT_PHYSICAL: {
 4256: 		struct scsi_read_dvd_struct_data_layer_desc *inlayer;
 4257: 		struct dvd_layer *outlayer;
 4258: 		struct scsi_read_dvd_struct_data_physical *phys_data;
 4259: 
 4260: 		phys_data =
 4261: 			(struct scsi_read_dvd_struct_data_physical *)databuf;
 4262: 		inlayer = &phys_data->layer_desc;
 4263: 		outlayer = (struct dvd_layer *)&dvdstruct->data;
 4264: 
 4265: 		dvdstruct->length = sizeof(*inlayer);
 4266: 
 4267: 		outlayer->book_type = (inlayer->book_type_version &
 4268: 			RDSD_BOOK_TYPE_MASK) >> RDSD_BOOK_TYPE_SHIFT;
 4269: 		outlayer->book_version = (inlayer->book_type_version &
 4270: 			RDSD_BOOK_VERSION_MASK);
 4271: 		outlayer->disc_size = (inlayer->disc_size_max_rate &
 4272: 			RDSD_DISC_SIZE_MASK) >> RDSD_DISC_SIZE_SHIFT;
 4273: 		outlayer->max_rate = (inlayer->disc_size_max_rate &
 4274: 			RDSD_MAX_RATE_MASK);
 4275: 		outlayer->nlayers = (inlayer->layer_info &
 4276: 			RDSD_NUM_LAYERS_MASK) >> RDSD_NUM_LAYERS_SHIFT;
 4277: 		outlayer->track_path = (inlayer->layer_info &
 4278: 			RDSD_TRACK_PATH_MASK) >> RDSD_TRACK_PATH_SHIFT;
 4279: 		outlayer->layer_type = (inlayer->layer_info &
 4280: 			RDSD_LAYER_TYPE_MASK);
 4281: 		outlayer->linear_density = (inlayer->density &
 4282: 			RDSD_LIN_DENSITY_MASK) >> RDSD_LIN_DENSITY_SHIFT;
 4283: 		outlayer->track_density = (inlayer->density &
 4284: 			RDSD_TRACK_DENSITY_MASK);
 4285: 		outlayer->bca = (inlayer->bca & RDSD_BCA_MASK) >>
 4286: 			RDSD_BCA_SHIFT;
 4287: 		outlayer->start_sector = scsi_3btoul(inlayer->main_data_start);
 4288: 		outlayer->end_sector = scsi_3btoul(inlayer->main_data_end);
 4289: 		outlayer->end_sector_l0 =
 4290: 			scsi_3btoul(inlayer->end_sector_layer0);
 4291: 		break;
 4292: 	}
 4293: 	case DVD_STRUCT_COPYRIGHT: {
 4294: 		struct scsi_read_dvd_struct_data_copyright *copy_data;
 4295: 
 4296: 		copy_data = (struct scsi_read_dvd_struct_data_copyright *)
 4297: 			databuf;
 4298: 
 4299: 		dvdstruct->cpst = copy_data->cps_type;
 4300: 		dvdstruct->rmi = copy_data->region_info;
 4301: 		dvdstruct->length = 0;
 4302: 
 4303: 		break;
 4304: 	}
 4305: 	default:
 4306: 		/*
 4307: 		 * Tell the user what the overall length is, no matter
 4308: 		 * what we can actually fit in the data buffer.
 4309: 		 */
 4310: 		dvdstruct->length = length - ccb->csio.resid - 
 4311: 			sizeof(struct scsi_read_dvd_struct_data_header);
 4312: 
 4313: 		/*
 4314: 		 * But only actually copy out the smaller of what we read
 4315: 		 * in or what the structure can take.
 4316: 		 */
 4317: 		bcopy(databuf + sizeof(struct scsi_read_dvd_struct_data_header),
 4318: 		      dvdstruct->data,
 4319: 		      min(sizeof(dvdstruct->data), dvdstruct->length));
 4320: 		break;
 4321: 	}
 4322: bailout:
 4323: 
 4324: 	if (databuf != NULL)
 4325: 		free(databuf, M_DEVBUF);
 4326: 
 4327: 	xpt_release_ccb(ccb);
 4328: 
 4329: 	return(error);
 4330: }
 4331: 
 4332: void
 4333: scsi_report_key(struct ccb_scsiio *csio, u_int32_t retries,
 4334: 		void (*cbfcnp)(struct cam_periph *, union ccb *),
 4335: 		u_int8_t tag_action, u_int32_t lba, u_int8_t agid,
 4336: 		u_int8_t key_format, u_int8_t *data_ptr, u_int32_t dxfer_len,
 4337: 		u_int8_t sense_len, u_int32_t timeout)
 4338: {
 4339: 	struct scsi_report_key *scsi_cmd;
 4340: 
 4341: 	scsi_cmd = (struct scsi_report_key *)&csio->cdb_io.cdb_bytes;
 4342: 	bzero(scsi_cmd, sizeof(*scsi_cmd));
 4343: 	scsi_cmd->opcode = REPORT_KEY;
 4344: 	scsi_ulto4b(lba, scsi_cmd->lba);
 4345: 	scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len);
 4346: 	scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) |
 4347: 		(key_format & RK_KF_KEYFORMAT_MASK);
 4348: 
 4349: 	cam_fill_csio(csio,
 4350: 		      retries,
 4351: 		      cbfcnp,
 4352: 		      /*flags*/ (dxfer_len == 0) ? CAM_DIR_NONE : CAM_DIR_IN,
 4353: 		      tag_action,
 4354: 		      /*data_ptr*/ data_ptr,
 4355: 		      /*dxfer_len*/ dxfer_len,
 4356: 		      sense_len,
 4357: 		      sizeof(*scsi_cmd),
 4358: 		      timeout);
 4359: }
 4360: 
 4361: void
 4362: scsi_send_key(struct ccb_scsiio *csio, u_int32_t retries,
 4363: 	      void (*cbfcnp)(struct cam_periph *, union ccb *),
 4364: 	      u_int8_t tag_action, u_int8_t agid, u_int8_t key_format,
 4365: 	      u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len,
 4366: 	      u_int32_t timeout)
 4367: {
 4368: 	struct scsi_send_key *scsi_cmd;
 4369: 
 4370: 	scsi_cmd = (struct scsi_send_key *)&csio->cdb_io.cdb_bytes;
 4371: 	bzero(scsi_cmd, sizeof(*scsi_cmd));
 4372: 	scsi_cmd->opcode = SEND_KEY;
 4373: 
 4374: 	scsi_ulto2b(dxfer_len, scsi_cmd->param_len);
 4375: 	scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) |
 4376: 		(key_format & RK_KF_KEYFORMAT_MASK);
 4377: 
 4378: 	cam_fill_csio(csio,
 4379: 		      retries,
 4380: 		      cbfcnp,
 4381: 		      /*flags*/ CAM_DIR_OUT,
 4382: 		      tag_action,
 4383: 		      /*data_ptr*/ data_ptr,
 4384: 		      /*dxfer_len*/ dxfer_len,
 4385: 		      sense_len,
 4386: 		      sizeof(*scsi_cmd),
 4387: 		      timeout);
 4388: }
 4389: 
 4390: 
 4391: void
 4392: scsi_read_dvd_structure(struct ccb_scsiio *csio, u_int32_t retries,
 4393: 			void (*cbfcnp)(struct cam_periph *, union ccb *),
 4394: 			u_int8_t tag_action, u_int32_t address,
 4395: 			u_int8_t layer_number, u_int8_t format, u_int8_t agid,
 4396: 			u_int8_t *data_ptr, u_int32_t dxfer_len,
 4397: 			u_int8_t sense_len, u_int32_t timeout)
 4398: {
 4399: 	struct scsi_read_dvd_structure *scsi_cmd;
 4400: 
 4401: 	scsi_cmd = (struct scsi_read_dvd_structure *)&csio->cdb_io.cdb_bytes;
 4402: 	bzero(scsi_cmd, sizeof(*scsi_cmd));
 4403: 	scsi_cmd->opcode = READ_DVD_STRUCTURE;
 4404: 
 4405: 	scsi_ulto4b(address, scsi_cmd->address);
 4406: 	scsi_cmd->layer_number = layer_number;
 4407: 	scsi_cmd->format = format;
 4408: 	scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len);
 4409: 	/* The AGID is the top two bits of this byte */
 4410: 	scsi_cmd->agid = agid << 6;
 4411: 
 4412: 	cam_fill_csio(csio,
 4413: 		      retries,
 4414: 		      cbfcnp,
 4415: 		      /*flags*/ CAM_DIR_IN,
 4416: 		      tag_action,
 4417: 		      /*data_ptr*/ data_ptr,
 4418: 		      /*dxfer_len*/ dxfer_len,
 4419: 		      sense_len,
 4420: 		      sizeof(*scsi_cmd),
 4421: 		      timeout);
 4422: }