669dc4a5e7
Requested by: Most developers Apologies to: Most developers, with special note to <ken@kdm.org> Collabroation in the future with: Kenneth D. Merry <ken@kdm.org>
3505 lines
90 KiB
C
3505 lines
90 KiB
C
/*
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* Copyright (c) 1997 Justin T. Gibbs.
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* Copyright (c) 1997, 1998, 1999, 2000, 2001 Kenneth D. Merry.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions, and the following disclaimer,
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* without modification, immediately at the beginning of the file.
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* 2. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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/*
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* Portions of this driver taken from the original FreeBSD cd driver.
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* Written by Julian Elischer (julian@tfs.com)
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* for TRW Financial Systems for use under the MACH(2.5) operating system.
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*
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* TRW Financial Systems, in accordance with their agreement with Carnegie
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* Mellon University, makes this software available to CMU to distribute
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* or use in any manner that they see fit as long as this message is kept with
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* the software. For this reason TFS also grants any other persons or
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* organisations permission to use or modify this software.
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*
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* TFS supplies this software to be publicly redistributed
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* on the understanding that TFS is not responsible for the correct
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* functioning of this software in any circumstances.
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*
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* Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992
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*
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* from: cd.c,v 1.83 1997/05/04 15:24:22 joerg Exp $
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*/
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#include "opt_cd.h"
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/bio.h>
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#include <sys/conf.h>
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#include <sys/disk.h>
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#include <sys/malloc.h>
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#include <sys/cdio.h>
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#include <sys/dvdio.h>
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#include <sys/devicestat.h>
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#include <sys/sysctl.h>
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#include <cam/cam.h>
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#include <cam/cam_ccb.h>
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#include <cam/cam_periph.h>
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#include <cam/cam_xpt_periph.h>
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#include <cam/cam_queue.h>
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#include <cam/scsi/scsi_message.h>
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#include <cam/scsi/scsi_da.h>
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#include <cam/scsi/scsi_cd.h>
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#define LEADOUT 0xaa /* leadout toc entry */
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struct cd_params {
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u_int32_t blksize;
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u_long disksize;
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};
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typedef enum {
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CD_Q_NONE = 0x00,
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CD_Q_NO_TOUCH = 0x01,
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CD_Q_BCD_TRACKS = 0x02,
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CD_Q_NO_CHANGER = 0x04,
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CD_Q_CHANGER = 0x08
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} cd_quirks;
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typedef enum {
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CD_FLAG_INVALID = 0x001,
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CD_FLAG_NEW_DISC = 0x002,
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CD_FLAG_DISC_LOCKED = 0x004,
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CD_FLAG_DISC_REMOVABLE = 0x008,
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CD_FLAG_TAGGED_QUEUING = 0x010,
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CD_FLAG_CHANGER = 0x040,
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CD_FLAG_ACTIVE = 0x080,
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CD_FLAG_SCHED_ON_COMP = 0x100,
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CD_FLAG_RETRY_UA = 0x200
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} cd_flags;
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typedef enum {
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CD_CCB_PROBE = 0x01,
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CD_CCB_BUFFER_IO = 0x02,
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CD_CCB_WAITING = 0x03,
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CD_CCB_TYPE_MASK = 0x0F,
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CD_CCB_RETRY_UA = 0x10
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} cd_ccb_state;
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typedef enum {
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CHANGER_TIMEOUT_SCHED = 0x01,
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CHANGER_SHORT_TMOUT_SCHED = 0x02,
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CHANGER_MANUAL_CALL = 0x04,
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CHANGER_NEED_TIMEOUT = 0x08
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} cd_changer_flags;
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#define ccb_state ppriv_field0
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#define ccb_bp ppriv_ptr1
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typedef enum {
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CD_STATE_PROBE,
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CD_STATE_NORMAL
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} cd_state;
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struct cd_softc {
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cam_pinfo pinfo;
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cd_state state;
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volatile cd_flags flags;
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struct bio_queue_head bio_queue;
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LIST_HEAD(, ccb_hdr) pending_ccbs;
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struct cd_params params;
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union ccb saved_ccb;
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cd_quirks quirks;
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struct devstat device_stats;
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STAILQ_ENTRY(cd_softc) changer_links;
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struct cdchanger *changer;
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int bufs_left;
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struct cam_periph *periph;
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dev_t dev;
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eventhandler_tag clonetag;
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};
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struct cd_quirk_entry {
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struct scsi_inquiry_pattern inq_pat;
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cd_quirks quirks;
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};
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/*
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* These quirk entries aren't strictly necessary. Basically, what they do
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* is tell cdregister() up front that a device is a changer. Otherwise, it
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* will figure that fact out once it sees a LUN on the device that is
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* greater than 0. If it is known up front that a device is a changer, all
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* I/O to the device will go through the changer scheduling routines, as
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* opposed to the "normal" CD code.
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*/
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static struct cd_quirk_entry cd_quirk_table[] =
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{
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{
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{ T_CDROM, SIP_MEDIA_REMOVABLE, "NRC", "MBR-7", "*"},
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/*quirks*/ CD_Q_CHANGER
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},
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{
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{ T_CDROM, SIP_MEDIA_REMOVABLE, "PIONEER", "CD-ROM DRM*",
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"*"}, /* quirks */ CD_Q_CHANGER
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},
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{
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{ T_CDROM, SIP_MEDIA_REMOVABLE, "NAKAMICH", "MJ-*", "*"},
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/* quirks */ CD_Q_CHANGER
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},
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{
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{ T_CDROM, SIP_MEDIA_REMOVABLE, "CHINON", "CD-ROM CDS-535","*"},
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/* quirks */ CD_Q_BCD_TRACKS
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}
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};
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#ifndef MIN
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#define MIN(x,y) ((x<y) ? x : y)
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#endif
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#define CD_CDEV_MAJOR 15
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static d_open_t cdopen;
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static d_close_t cdclose;
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static d_ioctl_t cdioctl;
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static d_strategy_t cdstrategy;
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static periph_init_t cdinit;
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static periph_ctor_t cdregister;
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static periph_dtor_t cdcleanup;
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static periph_start_t cdstart;
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static periph_oninv_t cdoninvalidate;
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static void cdasync(void *callback_arg, u_int32_t code,
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struct cam_path *path, void *arg);
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static void cdshorttimeout(void *arg);
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static void cdschedule(struct cam_periph *periph, int priority);
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static void cdrunchangerqueue(void *arg);
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static void cdchangerschedule(struct cd_softc *softc);
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static int cdrunccb(union ccb *ccb,
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int (*error_routine)(union ccb *ccb,
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u_int32_t cam_flags,
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u_int32_t sense_flags),
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u_int32_t cam_flags, u_int32_t sense_flags);
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static union ccb *cdgetccb(struct cam_periph *periph,
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u_int32_t priority);
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static void cddone(struct cam_periph *periph,
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union ccb *start_ccb);
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static int cderror(union ccb *ccb, u_int32_t cam_flags,
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u_int32_t sense_flags);
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static void cdprevent(struct cam_periph *periph, int action);
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static int cdsize(dev_t dev, u_int32_t *size);
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static int cdreadtoc(struct cam_periph *periph, u_int32_t mode,
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u_int32_t start, struct cd_toc_entry *data,
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u_int32_t len);
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static int cdgetmode(struct cam_periph *periph,
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struct cd_mode_data *data, u_int32_t page);
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static int cdsetmode(struct cam_periph *periph,
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struct cd_mode_data *data);
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static int cdplay(struct cam_periph *periph, u_int32_t blk,
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u_int32_t len);
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static int cdreadsubchannel(struct cam_periph *periph,
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u_int32_t mode, u_int32_t format,
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int track,
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struct cd_sub_channel_info *data,
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u_int32_t len);
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static int cdplaymsf(struct cam_periph *periph, u_int32_t startm,
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u_int32_t starts, u_int32_t startf,
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u_int32_t endm, u_int32_t ends,
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u_int32_t endf);
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static int cdplaytracks(struct cam_periph *periph,
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u_int32_t strack, u_int32_t sindex,
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u_int32_t etrack, u_int32_t eindex);
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static int cdpause(struct cam_periph *periph, u_int32_t go);
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static int cdstopunit(struct cam_periph *periph, u_int32_t eject);
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static int cdstartunit(struct cam_periph *periph);
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static int cdreportkey(struct cam_periph *periph,
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struct dvd_authinfo *authinfo);
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static int cdsendkey(struct cam_periph *periph,
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struct dvd_authinfo *authinfo);
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static int cdreaddvdstructure(struct cam_periph *periph,
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struct dvd_struct *dvdstruct);
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static struct periph_driver cddriver =
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{
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cdinit, "cd",
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TAILQ_HEAD_INITIALIZER(cddriver.units), /* generation */ 0
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};
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PERIPHDRIVER_DECLARE(cd, cddriver);
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static struct cdevsw cd_cdevsw = {
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/* open */ cdopen,
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/* close */ cdclose,
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/* read */ physread,
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/* write */ physwrite,
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/* ioctl */ cdioctl,
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/* poll */ nopoll,
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/* mmap */ nommap,
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/* strategy */ cdstrategy,
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/* name */ "cd",
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/* maj */ CD_CDEV_MAJOR,
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/* dump */ nodump,
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/* psize */ nopsize,
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/* flags */ D_DISK,
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};
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static int num_changers;
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#ifndef CHANGER_MIN_BUSY_SECONDS
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#define CHANGER_MIN_BUSY_SECONDS 5
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#endif
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#ifndef CHANGER_MAX_BUSY_SECONDS
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#define CHANGER_MAX_BUSY_SECONDS 15
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#endif
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static int changer_min_busy_seconds = CHANGER_MIN_BUSY_SECONDS;
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static int changer_max_busy_seconds = CHANGER_MAX_BUSY_SECONDS;
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SYSCTL_NODE(_kern_cam, OID_AUTO, cd, CTLFLAG_RD, 0, "CAM CDROM driver");
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SYSCTL_NODE(_kern_cam_cd, OID_AUTO, changer, CTLFLAG_RD, 0, "CD Changer");
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SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, min_busy_seconds, CTLFLAG_RW,
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&changer_min_busy_seconds, 0, "Minimum changer scheduling quantum");
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SYSCTL_INT(_kern_cam_cd_changer, OID_AUTO, max_busy_seconds, CTLFLAG_RW,
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&changer_max_busy_seconds, 0, "Maximum changer scheduling quantum");
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struct cdchanger {
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path_id_t path_id;
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target_id_t target_id;
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int num_devices;
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struct camq devq;
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struct timeval start_time;
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struct cd_softc *cur_device;
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struct callout_handle short_handle;
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struct callout_handle long_handle;
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volatile cd_changer_flags flags;
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STAILQ_ENTRY(cdchanger) changer_links;
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STAILQ_HEAD(chdevlist, cd_softc) chluns;
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};
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static STAILQ_HEAD(changerlist, cdchanger) changerq;
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static void
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cdclone(void *arg, char *name, int namelen, dev_t *dev)
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{
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struct cd_softc *softc;
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const char *p;
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int l;
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softc = arg;
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p = devtoname(softc->dev);
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l = strlen(p);
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if (bcmp(name, p, l))
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return;
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if (name[l] != 'a' && name[l] != 'c')
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return;
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if (name[l + 1] != '\0')
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return;
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*dev = softc->dev;
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return;
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}
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static void
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cdinit(void)
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{
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cam_status status;
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struct cam_path *path;
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/*
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* Install a global async callback. This callback will
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* receive async callbacks like "new device found".
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*/
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status = xpt_create_path(&path, /*periph*/NULL, CAM_XPT_PATH_ID,
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CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD);
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if (status == CAM_REQ_CMP) {
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struct ccb_setasync csa;
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xpt_setup_ccb(&csa.ccb_h, path, /*priority*/5);
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csa.ccb_h.func_code = XPT_SASYNC_CB;
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csa.event_enable = AC_FOUND_DEVICE;
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csa.callback = cdasync;
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csa.callback_arg = NULL;
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xpt_action((union ccb *)&csa);
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status = csa.ccb_h.status;
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xpt_free_path(path);
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}
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if (status != CAM_REQ_CMP) {
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printf("cd: Failed to attach master async callback "
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"due to status 0x%x!\n", status);
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}
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}
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static void
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cdoninvalidate(struct cam_periph *periph)
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{
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int s;
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struct cd_softc *softc;
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struct bio *q_bp;
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struct ccb_setasync csa;
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softc = (struct cd_softc *)periph->softc;
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/*
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* De-register any async callbacks.
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*/
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xpt_setup_ccb(&csa.ccb_h, periph->path,
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/* priority */ 5);
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csa.ccb_h.func_code = XPT_SASYNC_CB;
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csa.event_enable = 0;
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csa.callback = cdasync;
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csa.callback_arg = periph;
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xpt_action((union ccb *)&csa);
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softc->flags |= CD_FLAG_INVALID;
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/*
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* Although the oninvalidate() routines are always called at
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* splsoftcam, we need to be at splbio() here to keep the buffer
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* queue from being modified while we traverse it.
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*/
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s = splbio();
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/*
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* Return all queued I/O with ENXIO.
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* XXX Handle any transactions queued to the card
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* with XPT_ABORT_CCB.
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*/
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while ((q_bp = bioq_first(&softc->bio_queue)) != NULL){
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bioq_remove(&softc->bio_queue, q_bp);
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q_bp->bio_resid = q_bp->bio_bcount;
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biofinish(q_bp, NULL, ENXIO);
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}
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splx(s);
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/*
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* If this device is part of a changer, and it was scheduled
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* to run, remove it from the run queue since we just nuked
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* all of its scheduled I/O.
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*/
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if ((softc->flags & CD_FLAG_CHANGER)
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&& (softc->pinfo.index != CAM_UNQUEUED_INDEX))
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camq_remove(&softc->changer->devq, softc->pinfo.index);
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xpt_print_path(periph->path);
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printf("lost device\n");
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}
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static void
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cdcleanup(struct cam_periph *periph)
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{
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struct cd_softc *softc;
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int s;
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softc = (struct cd_softc *)periph->softc;
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xpt_print_path(periph->path);
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printf("removing device entry\n");
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s = splsoftcam();
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/*
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* In the queued, non-active case, the device in question
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* has already been removed from the changer run queue. Since this
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* device is active, we need to de-activate it, and schedule
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* another device to run. (if there is another one to run)
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*/
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if ((softc->flags & CD_FLAG_CHANGER)
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&& (softc->flags & CD_FLAG_ACTIVE)) {
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/*
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* The purpose of the short timeout is soley to determine
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* whether the current device has finished or not. Well,
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* since we're removing the active device, we know that it
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* is finished. So, get rid of the short timeout.
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* Otherwise, if we're in the time period before the short
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* timeout fires, and there are no other devices in the
|
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* queue to run, there won't be any other device put in the
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* active slot. i.e., when we call cdrunchangerqueue()
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* below, it won't do anything. Then, when the short
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* timeout fires, it'll look at the "current device", which
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* we are free below, and possibly panic the kernel on a
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* bogus pointer reference.
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*
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* The long timeout doesn't really matter, since we
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* decrement the qfrozen_cnt to indicate that there is
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* nothing in the active slot now. Therefore, there won't
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* be any bogus pointer references there.
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*/
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if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) {
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untimeout(cdshorttimeout, softc->changer,
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softc->changer->short_handle);
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softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED;
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}
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softc->changer->devq.qfrozen_cnt--;
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softc->changer->flags |= CHANGER_MANUAL_CALL;
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cdrunchangerqueue(softc->changer);
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}
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/*
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* If we're removing the last device on the changer, go ahead and
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* remove the changer device structure.
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*/
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if ((softc->flags & CD_FLAG_CHANGER)
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&& (--softc->changer->num_devices == 0)) {
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|
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/*
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* Theoretically, there shouldn't be any timeouts left, but
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* I'm not completely sure that that will be the case. So,
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* it won't hurt to check and see if there are any left.
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*/
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|
if (softc->changer->flags & CHANGER_TIMEOUT_SCHED) {
|
|
untimeout(cdrunchangerqueue, softc->changer,
|
|
softc->changer->long_handle);
|
|
softc->changer->flags &= ~CHANGER_TIMEOUT_SCHED;
|
|
}
|
|
|
|
if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) {
|
|
untimeout(cdshorttimeout, softc->changer,
|
|
softc->changer->short_handle);
|
|
softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED;
|
|
}
|
|
|
|
STAILQ_REMOVE(&changerq, softc->changer, cdchanger,
|
|
changer_links);
|
|
xpt_print_path(periph->path);
|
|
printf("removing changer entry\n");
|
|
free(softc->changer, M_DEVBUF);
|
|
num_changers--;
|
|
}
|
|
devstat_remove_entry(&softc->device_stats);
|
|
destroy_dev(softc->dev);
|
|
EVENTHANDLER_DEREGISTER(dev_clone, softc->clonetag);
|
|
free(softc, M_DEVBUF);
|
|
splx(s);
|
|
}
|
|
|
|
static void
|
|
cdasync(void *callback_arg, u_int32_t code,
|
|
struct cam_path *path, void *arg)
|
|
{
|
|
struct cam_periph *periph;
|
|
|
|
periph = (struct cam_periph *)callback_arg;
|
|
switch (code) {
|
|
case AC_FOUND_DEVICE:
|
|
{
|
|
struct ccb_getdev *cgd;
|
|
cam_status status;
|
|
|
|
cgd = (struct ccb_getdev *)arg;
|
|
if (cgd == NULL)
|
|
break;
|
|
|
|
if (SID_TYPE(&cgd->inq_data) != T_CDROM
|
|
&& SID_TYPE(&cgd->inq_data) != T_WORM)
|
|
break;
|
|
|
|
/*
|
|
* Allocate a peripheral instance for
|
|
* this device and start the probe
|
|
* process.
|
|
*/
|
|
status = cam_periph_alloc(cdregister, cdoninvalidate,
|
|
cdcleanup, cdstart,
|
|
"cd", CAM_PERIPH_BIO,
|
|
cgd->ccb_h.path, cdasync,
|
|
AC_FOUND_DEVICE, cgd);
|
|
|
|
if (status != CAM_REQ_CMP
|
|
&& status != CAM_REQ_INPROG)
|
|
printf("cdasync: Unable to attach new device "
|
|
"due to status 0x%x\n", status);
|
|
|
|
break;
|
|
}
|
|
case AC_SENT_BDR:
|
|
case AC_BUS_RESET:
|
|
{
|
|
struct cd_softc *softc;
|
|
struct ccb_hdr *ccbh;
|
|
int s;
|
|
|
|
softc = (struct cd_softc *)periph->softc;
|
|
s = splsoftcam();
|
|
/*
|
|
* Don't fail on the expected unit attention
|
|
* that will occur.
|
|
*/
|
|
softc->flags |= CD_FLAG_RETRY_UA;
|
|
LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le)
|
|
ccbh->ccb_state |= CD_CCB_RETRY_UA;
|
|
splx(s);
|
|
/* FALLTHROUGH */
|
|
}
|
|
default:
|
|
cam_periph_async(periph, code, path, arg);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static cam_status
|
|
cdregister(struct cam_periph *periph, void *arg)
|
|
{
|
|
struct cd_softc *softc;
|
|
struct ccb_setasync csa;
|
|
struct ccb_getdev *cgd;
|
|
caddr_t match;
|
|
|
|
cgd = (struct ccb_getdev *)arg;
|
|
if (periph == NULL) {
|
|
printf("cdregister: periph was NULL!!\n");
|
|
return(CAM_REQ_CMP_ERR);
|
|
}
|
|
if (cgd == NULL) {
|
|
printf("cdregister: no getdev CCB, can't register device\n");
|
|
return(CAM_REQ_CMP_ERR);
|
|
}
|
|
|
|
softc = (struct cd_softc *)malloc(sizeof(*softc),M_DEVBUF,M_NOWAIT);
|
|
|
|
if (softc == NULL) {
|
|
printf("cdregister: Unable to probe new device. "
|
|
"Unable to allocate softc\n");
|
|
return(CAM_REQ_CMP_ERR);
|
|
}
|
|
|
|
bzero(softc, sizeof(*softc));
|
|
LIST_INIT(&softc->pending_ccbs);
|
|
softc->state = CD_STATE_PROBE;
|
|
bioq_init(&softc->bio_queue);
|
|
if (SID_IS_REMOVABLE(&cgd->inq_data))
|
|
softc->flags |= CD_FLAG_DISC_REMOVABLE;
|
|
if ((cgd->inq_data.flags & SID_CmdQue) != 0)
|
|
softc->flags |= CD_FLAG_TAGGED_QUEUING;
|
|
|
|
periph->softc = softc;
|
|
softc->periph = periph;
|
|
|
|
/*
|
|
* See if this device has any quirks.
|
|
*/
|
|
match = cam_quirkmatch((caddr_t)&cgd->inq_data,
|
|
(caddr_t)cd_quirk_table,
|
|
sizeof(cd_quirk_table)/sizeof(*cd_quirk_table),
|
|
sizeof(*cd_quirk_table), scsi_inquiry_match);
|
|
|
|
if (match != NULL)
|
|
softc->quirks = ((struct cd_quirk_entry *)match)->quirks;
|
|
else
|
|
softc->quirks = CD_Q_NONE;
|
|
|
|
/*
|
|
* We need to register the statistics structure for this device,
|
|
* but we don't have the blocksize yet for it. So, we register
|
|
* the structure and indicate that we don't have the blocksize
|
|
* yet. Unlike other SCSI peripheral drivers, we explicitly set
|
|
* the device type here to be CDROM, rather than just ORing in
|
|
* the device type. This is because this driver can attach to either
|
|
* CDROM or WORM devices, and we want this peripheral driver to
|
|
* show up in the devstat list as a CD peripheral driver, not a
|
|
* WORM peripheral driver. WORM drives will also have the WORM
|
|
* driver attached to them.
|
|
*/
|
|
devstat_add_entry(&softc->device_stats, "cd",
|
|
periph->unit_number, 0,
|
|
DEVSTAT_BS_UNAVAILABLE,
|
|
DEVSTAT_TYPE_CDROM | DEVSTAT_TYPE_IF_SCSI,
|
|
DEVSTAT_PRIORITY_CD);
|
|
softc->dev = make_dev(&cd_cdevsw, periph->unit_number,
|
|
UID_ROOT, GID_OPERATOR, 0640, "cd%d", periph->unit_number);
|
|
softc->dev->si_drv1 = periph;
|
|
softc->clonetag =
|
|
EVENTHANDLER_REGISTER(dev_clone, cdclone, softc, 1000);
|
|
|
|
/*
|
|
* Add an async callback so that we get
|
|
* notified if this device goes away.
|
|
*/
|
|
xpt_setup_ccb(&csa.ccb_h, periph->path,
|
|
/* priority */ 5);
|
|
csa.ccb_h.func_code = XPT_SASYNC_CB;
|
|
csa.event_enable = AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE;
|
|
csa.callback = cdasync;
|
|
csa.callback_arg = periph;
|
|
xpt_action((union ccb *)&csa);
|
|
|
|
/*
|
|
* If the target lun is greater than 0, we most likely have a CD
|
|
* changer device. Check the quirk entries as well, though, just
|
|
* in case someone has a CD tower with one lun per drive or
|
|
* something like that. Also, if we know up front that a
|
|
* particular device is a changer, we can mark it as such starting
|
|
* with lun 0, instead of lun 1. It shouldn't be necessary to have
|
|
* a quirk entry to define something as a changer, however.
|
|
*/
|
|
if (((cgd->ccb_h.target_lun > 0)
|
|
&& ((softc->quirks & CD_Q_NO_CHANGER) == 0))
|
|
|| ((softc->quirks & CD_Q_CHANGER) != 0)) {
|
|
struct cdchanger *nchanger;
|
|
struct cam_periph *nperiph;
|
|
struct cam_path *path;
|
|
cam_status status;
|
|
int found;
|
|
|
|
/* Set the changer flag in the current device's softc */
|
|
softc->flags |= CD_FLAG_CHANGER;
|
|
|
|
if (num_changers == 0)
|
|
STAILQ_INIT(&changerq);
|
|
|
|
/*
|
|
* Now, look around for an existing changer device with the
|
|
* same path and target ID as the current device.
|
|
*/
|
|
for (found = 0,
|
|
nchanger = (struct cdchanger *)STAILQ_FIRST(&changerq);
|
|
nchanger != NULL;
|
|
nchanger = STAILQ_NEXT(nchanger, changer_links)){
|
|
if ((nchanger->path_id == cgd->ccb_h.path_id)
|
|
&& (nchanger->target_id == cgd->ccb_h.target_id)) {
|
|
found = 1;
|
|
break;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* If we found a matching entry, just add this device to
|
|
* the list of devices on this changer.
|
|
*/
|
|
if (found == 1) {
|
|
struct chdevlist *chlunhead;
|
|
|
|
chlunhead = &nchanger->chluns;
|
|
|
|
/*
|
|
* XXX KDM look at consolidating this code with the
|
|
* code below in a separate function.
|
|
*/
|
|
|
|
/*
|
|
* Create a path with lun id 0, and see if we can
|
|
* find a matching device
|
|
*/
|
|
status = xpt_create_path(&path, /*periph*/ periph,
|
|
cgd->ccb_h.path_id,
|
|
cgd->ccb_h.target_id, 0);
|
|
|
|
if ((status == CAM_REQ_CMP)
|
|
&& ((nperiph = cam_periph_find(path, "cd")) != NULL)){
|
|
struct cd_softc *nsoftc;
|
|
|
|
nsoftc = (struct cd_softc *)nperiph->softc;
|
|
|
|
if ((nsoftc->flags & CD_FLAG_CHANGER) == 0){
|
|
nsoftc->flags |= CD_FLAG_CHANGER;
|
|
nchanger->num_devices++;
|
|
if (camq_resize(&nchanger->devq,
|
|
nchanger->num_devices)!=CAM_REQ_CMP){
|
|
printf("cdregister: "
|
|
"camq_resize "
|
|
"failed, changer "
|
|
"support may "
|
|
"be messed up\n");
|
|
}
|
|
nsoftc->changer = nchanger;
|
|
nsoftc->pinfo.index =CAM_UNQUEUED_INDEX;
|
|
|
|
STAILQ_INSERT_TAIL(&nchanger->chluns,
|
|
nsoftc,changer_links);
|
|
}
|
|
xpt_free_path(path);
|
|
} else if (status == CAM_REQ_CMP)
|
|
xpt_free_path(path);
|
|
else {
|
|
printf("cdregister: unable to allocate path\n"
|
|
"cdregister: changer support may be "
|
|
"broken\n");
|
|
}
|
|
|
|
nchanger->num_devices++;
|
|
|
|
softc->changer = nchanger;
|
|
softc->pinfo.index = CAM_UNQUEUED_INDEX;
|
|
|
|
if (camq_resize(&nchanger->devq,
|
|
nchanger->num_devices) != CAM_REQ_CMP) {
|
|
printf("cdregister: camq_resize "
|
|
"failed, changer support may "
|
|
"be messed up\n");
|
|
}
|
|
|
|
STAILQ_INSERT_TAIL(chlunhead, softc, changer_links);
|
|
}
|
|
/*
|
|
* In this case, we don't already have an entry for this
|
|
* particular changer, so we need to create one, add it to
|
|
* the queue, and queue this device on the list for this
|
|
* changer. Before we queue this device, however, we need
|
|
* to search for lun id 0 on this target, and add it to the
|
|
* queue first, if it exists. (and if it hasn't already
|
|
* been marked as part of the changer.)
|
|
*/
|
|
else {
|
|
nchanger = malloc(sizeof(struct cdchanger),
|
|
M_DEVBUF, M_NOWAIT);
|
|
|
|
if (nchanger == NULL) {
|
|
softc->flags &= ~CD_FLAG_CHANGER;
|
|
printf("cdregister: unable to malloc "
|
|
"changer structure\ncdregister: "
|
|
"changer support disabled\n");
|
|
|
|
/*
|
|
* Yes, gotos can be gross but in this case
|
|
* I think it's justified..
|
|
*/
|
|
goto cdregisterexit;
|
|
}
|
|
|
|
/* zero the structure */
|
|
bzero(nchanger, sizeof(struct cdchanger));
|
|
|
|
if (camq_init(&nchanger->devq, 1) != 0) {
|
|
softc->flags &= ~CD_FLAG_CHANGER;
|
|
printf("cdregister: changer support "
|
|
"disabled\n");
|
|
goto cdregisterexit;
|
|
}
|
|
|
|
num_changers++;
|
|
|
|
nchanger->path_id = cgd->ccb_h.path_id;
|
|
nchanger->target_id = cgd->ccb_h.target_id;
|
|
|
|
/* this is superfluous, but it makes things clearer */
|
|
nchanger->num_devices = 0;
|
|
|
|
STAILQ_INIT(&nchanger->chluns);
|
|
|
|
STAILQ_INSERT_TAIL(&changerq, nchanger,
|
|
changer_links);
|
|
|
|
/*
|
|
* Create a path with lun id 0, and see if we can
|
|
* find a matching device
|
|
*/
|
|
status = xpt_create_path(&path, /*periph*/ periph,
|
|
cgd->ccb_h.path_id,
|
|
cgd->ccb_h.target_id, 0);
|
|
|
|
/*
|
|
* If we were able to allocate the path, and if we
|
|
* find a matching device and it isn't already
|
|
* marked as part of a changer, then we add it to
|
|
* the current changer.
|
|
*/
|
|
if ((status == CAM_REQ_CMP)
|
|
&& ((nperiph = cam_periph_find(path, "cd")) != NULL)
|
|
&& ((((struct cd_softc *)periph->softc)->flags &
|
|
CD_FLAG_CHANGER) == 0)) {
|
|
struct cd_softc *nsoftc;
|
|
|
|
nsoftc = (struct cd_softc *)nperiph->softc;
|
|
|
|
nsoftc->flags |= CD_FLAG_CHANGER;
|
|
nchanger->num_devices++;
|
|
if (camq_resize(&nchanger->devq,
|
|
nchanger->num_devices) != CAM_REQ_CMP) {
|
|
printf("cdregister: camq_resize "
|
|
"failed, changer support may "
|
|
"be messed up\n");
|
|
}
|
|
nsoftc->changer = nchanger;
|
|
nsoftc->pinfo.index = CAM_UNQUEUED_INDEX;
|
|
|
|
STAILQ_INSERT_TAIL(&nchanger->chluns,
|
|
nsoftc, changer_links);
|
|
xpt_free_path(path);
|
|
} else if (status == CAM_REQ_CMP)
|
|
xpt_free_path(path);
|
|
else {
|
|
printf("cdregister: unable to allocate path\n"
|
|
"cdregister: changer support may be "
|
|
"broken\n");
|
|
}
|
|
|
|
softc->changer = nchanger;
|
|
softc->pinfo.index = CAM_UNQUEUED_INDEX;
|
|
nchanger->num_devices++;
|
|
if (camq_resize(&nchanger->devq,
|
|
nchanger->num_devices) != CAM_REQ_CMP) {
|
|
printf("cdregister: camq_resize "
|
|
"failed, changer support may "
|
|
"be messed up\n");
|
|
}
|
|
STAILQ_INSERT_TAIL(&nchanger->chluns, softc,
|
|
changer_links);
|
|
}
|
|
}
|
|
|
|
cdregisterexit:
|
|
|
|
/* Lock this peripheral until we are setup */
|
|
/* Can't block */
|
|
cam_periph_lock(periph, PRIBIO);
|
|
|
|
if ((softc->flags & CD_FLAG_CHANGER) == 0)
|
|
xpt_schedule(periph, /*priority*/5);
|
|
else
|
|
cdschedule(periph, /*priority*/ 5);
|
|
|
|
return(CAM_REQ_CMP);
|
|
}
|
|
|
|
static int
|
|
cdopen(dev_t dev, int flags, int fmt, struct thread *td)
|
|
{
|
|
struct cam_periph *periph;
|
|
struct cd_softc *softc;
|
|
u_int32_t size;
|
|
int error;
|
|
int s;
|
|
|
|
periph = (struct cam_periph *)dev->si_drv1;
|
|
if (periph == NULL)
|
|
return (ENXIO);
|
|
|
|
softc = (struct cd_softc *)periph->softc;
|
|
|
|
/*
|
|
* Grab splsoftcam and hold it until we lock the peripheral.
|
|
*/
|
|
s = splsoftcam();
|
|
if (softc->flags & CD_FLAG_INVALID) {
|
|
splx(s);
|
|
return(ENXIO);
|
|
}
|
|
|
|
if ((error = cam_periph_lock(periph, PRIBIO | PCATCH)) != 0) {
|
|
splx(s);
|
|
return (error);
|
|
}
|
|
|
|
splx(s);
|
|
|
|
if (cam_periph_acquire(periph) != CAM_REQ_CMP)
|
|
return(ENXIO);
|
|
|
|
cdprevent(periph, PR_PREVENT);
|
|
|
|
/* find out the size */
|
|
if ((error = cdsize(dev, &size)) != 0) {
|
|
cdprevent(periph, PR_ALLOW);
|
|
cam_periph_unlock(periph);
|
|
cam_periph_release(periph);
|
|
return(error);
|
|
}
|
|
|
|
/*
|
|
* We unconditionally (re)set the blocksize each time the
|
|
* CD device is opened. This is because the CD can change,
|
|
* and therefore the blocksize might change.
|
|
* XXX problems here if some slice or partition is still
|
|
* open with the old size?
|
|
*/
|
|
if ((softc->device_stats.flags & DEVSTAT_BS_UNAVAILABLE) != 0)
|
|
softc->device_stats.flags &= ~DEVSTAT_BS_UNAVAILABLE;
|
|
softc->device_stats.block_size = softc->params.blksize;
|
|
|
|
cam_periph_unlock(periph);
|
|
|
|
CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdopen\n"));
|
|
|
|
return (error);
|
|
}
|
|
|
|
static int
|
|
cdclose(dev_t dev, int flag, int fmt, struct thread *td)
|
|
{
|
|
struct cam_periph *periph;
|
|
struct cd_softc *softc;
|
|
int error;
|
|
|
|
periph = (struct cam_periph *)dev->si_drv1;
|
|
if (periph == NULL)
|
|
return (ENXIO);
|
|
|
|
softc = (struct cd_softc *)periph->softc;
|
|
|
|
if ((error = cam_periph_lock(periph, PRIBIO)) != 0)
|
|
return (error);
|
|
|
|
if ((softc->flags & CD_FLAG_DISC_REMOVABLE) != 0)
|
|
cdprevent(periph, PR_ALLOW);
|
|
|
|
/*
|
|
* Since we're closing this CD, mark the blocksize as unavailable.
|
|
* It will be marked as available whence the CD is opened again.
|
|
*/
|
|
softc->device_stats.flags |= DEVSTAT_BS_UNAVAILABLE;
|
|
|
|
cam_periph_unlock(periph);
|
|
cam_periph_release(periph);
|
|
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
cdshorttimeout(void *arg)
|
|
{
|
|
struct cdchanger *changer;
|
|
int s;
|
|
|
|
s = splsoftcam();
|
|
|
|
changer = (struct cdchanger *)arg;
|
|
|
|
/* Always clear the short timeout flag, since that's what we're in */
|
|
changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED;
|
|
|
|
/*
|
|
* Check to see if there is any more pending or outstanding I/O for
|
|
* this device. If not, move it out of the active slot.
|
|
*/
|
|
if ((bioq_first(&changer->cur_device->bio_queue) == NULL)
|
|
&& (changer->cur_device->device_stats.busy_count == 0)) {
|
|
changer->flags |= CHANGER_MANUAL_CALL;
|
|
cdrunchangerqueue(changer);
|
|
}
|
|
|
|
splx(s);
|
|
}
|
|
|
|
/*
|
|
* This is a wrapper for xpt_schedule. It only applies to changers.
|
|
*/
|
|
static void
|
|
cdschedule(struct cam_periph *periph, int priority)
|
|
{
|
|
struct cd_softc *softc;
|
|
int s;
|
|
|
|
s = splsoftcam();
|
|
|
|
softc = (struct cd_softc *)periph->softc;
|
|
|
|
/*
|
|
* If this device isn't currently queued, and if it isn't
|
|
* the active device, then we queue this device and run the
|
|
* changer queue if there is no timeout scheduled to do it.
|
|
* If this device is the active device, just schedule it
|
|
* to run again. If this device is queued, there should be
|
|
* a timeout in place already that will make sure it runs.
|
|
*/
|
|
if ((softc->pinfo.index == CAM_UNQUEUED_INDEX)
|
|
&& ((softc->flags & CD_FLAG_ACTIVE) == 0)) {
|
|
/*
|
|
* We don't do anything with the priority here.
|
|
* This is strictly a fifo queue.
|
|
*/
|
|
softc->pinfo.priority = 1;
|
|
softc->pinfo.generation = ++softc->changer->devq.generation;
|
|
camq_insert(&softc->changer->devq, (cam_pinfo *)softc);
|
|
|
|
/*
|
|
* Since we just put a device in the changer queue,
|
|
* check and see if there is a timeout scheduled for
|
|
* this changer. If so, let the timeout handle
|
|
* switching this device into the active slot. If
|
|
* not, manually call the timeout routine to
|
|
* bootstrap things.
|
|
*/
|
|
if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0)
|
|
&& ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0)
|
|
&& ((softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED)==0)){
|
|
softc->changer->flags |= CHANGER_MANUAL_CALL;
|
|
cdrunchangerqueue(softc->changer);
|
|
}
|
|
} else if ((softc->flags & CD_FLAG_ACTIVE)
|
|
&& ((softc->flags & CD_FLAG_SCHED_ON_COMP) == 0))
|
|
xpt_schedule(periph, priority);
|
|
|
|
splx(s);
|
|
|
|
}
|
|
|
|
static void
|
|
cdrunchangerqueue(void *arg)
|
|
{
|
|
struct cd_softc *softc;
|
|
struct cdchanger *changer;
|
|
int called_from_timeout;
|
|
int s;
|
|
|
|
s = splsoftcam();
|
|
|
|
changer = (struct cdchanger *)arg;
|
|
|
|
/*
|
|
* If we have NOT been called from cdstrategy() or cddone(), and
|
|
* instead from a timeout routine, go ahead and clear the
|
|
* timeout flag.
|
|
*/
|
|
if ((changer->flags & CHANGER_MANUAL_CALL) == 0) {
|
|
changer->flags &= ~CHANGER_TIMEOUT_SCHED;
|
|
called_from_timeout = 1;
|
|
} else
|
|
called_from_timeout = 0;
|
|
|
|
/* Always clear the manual call flag */
|
|
changer->flags &= ~CHANGER_MANUAL_CALL;
|
|
|
|
/* nothing to do if the queue is empty */
|
|
if (changer->devq.entries <= 0) {
|
|
splx(s);
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* If the changer queue is frozen, that means we have an active
|
|
* device.
|
|
*/
|
|
if (changer->devq.qfrozen_cnt > 0) {
|
|
|
|
if (changer->cur_device->device_stats.busy_count > 0) {
|
|
changer->cur_device->flags |= CD_FLAG_SCHED_ON_COMP;
|
|
changer->cur_device->bufs_left =
|
|
changer->cur_device->device_stats.busy_count;
|
|
if (called_from_timeout) {
|
|
changer->long_handle =
|
|
timeout(cdrunchangerqueue, changer,
|
|
changer_max_busy_seconds * hz);
|
|
changer->flags |= CHANGER_TIMEOUT_SCHED;
|
|
}
|
|
splx(s);
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* We always need to reset the frozen count and clear the
|
|
* active flag.
|
|
*/
|
|
changer->devq.qfrozen_cnt--;
|
|
changer->cur_device->flags &= ~CD_FLAG_ACTIVE;
|
|
changer->cur_device->flags &= ~CD_FLAG_SCHED_ON_COMP;
|
|
|
|
/*
|
|
* Check to see whether the current device has any I/O left
|
|
* to do. If so, requeue it at the end of the queue. If
|
|
* not, there is no need to requeue it.
|
|
*/
|
|
if (bioq_first(&changer->cur_device->bio_queue) != NULL) {
|
|
|
|
changer->cur_device->pinfo.generation =
|
|
++changer->devq.generation;
|
|
camq_insert(&changer->devq,
|
|
(cam_pinfo *)changer->cur_device);
|
|
}
|
|
}
|
|
|
|
softc = (struct cd_softc *)camq_remove(&changer->devq, CAMQ_HEAD);
|
|
|
|
changer->cur_device = softc;
|
|
|
|
changer->devq.qfrozen_cnt++;
|
|
softc->flags |= CD_FLAG_ACTIVE;
|
|
|
|
/* Just in case this device is waiting */
|
|
wakeup(&softc->changer);
|
|
xpt_schedule(softc->periph, /*priority*/ 1);
|
|
|
|
/*
|
|
* Get rid of any pending timeouts, and set a flag to schedule new
|
|
* ones so this device gets its full time quantum.
|
|
*/
|
|
if (changer->flags & CHANGER_TIMEOUT_SCHED) {
|
|
untimeout(cdrunchangerqueue, changer, changer->long_handle);
|
|
changer->flags &= ~CHANGER_TIMEOUT_SCHED;
|
|
}
|
|
|
|
if (changer->flags & CHANGER_SHORT_TMOUT_SCHED) {
|
|
untimeout(cdshorttimeout, changer, changer->short_handle);
|
|
changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED;
|
|
}
|
|
|
|
/*
|
|
* We need to schedule timeouts, but we only do this after the
|
|
* first transaction has completed. This eliminates the changer
|
|
* switch time.
|
|
*/
|
|
changer->flags |= CHANGER_NEED_TIMEOUT;
|
|
|
|
splx(s);
|
|
}
|
|
|
|
static void
|
|
cdchangerschedule(struct cd_softc *softc)
|
|
{
|
|
struct cdchanger *changer;
|
|
int s;
|
|
|
|
s = splsoftcam();
|
|
|
|
changer = softc->changer;
|
|
|
|
/*
|
|
* If this is a changer, and this is the current device,
|
|
* and this device has at least the minimum time quantum to
|
|
* run, see if we can switch it out.
|
|
*/
|
|
if ((softc->flags & CD_FLAG_ACTIVE)
|
|
&& ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0)
|
|
&& ((changer->flags & CHANGER_NEED_TIMEOUT) == 0)) {
|
|
/*
|
|
* We try three things here. The first is that we
|
|
* check to see whether the schedule on completion
|
|
* flag is set. If it is, we decrement the number
|
|
* of buffers left, and if it's zero, we reschedule.
|
|
* Next, we check to see whether the pending buffer
|
|
* queue is empty and whether there are no
|
|
* outstanding transactions. If so, we reschedule.
|
|
* Next, we see if the pending buffer queue is empty.
|
|
* If it is, we set the number of buffers left to
|
|
* the current active buffer count and set the
|
|
* schedule on complete flag.
|
|
*/
|
|
if (softc->flags & CD_FLAG_SCHED_ON_COMP) {
|
|
if (--softc->bufs_left == 0) {
|
|
softc->changer->flags |=
|
|
CHANGER_MANUAL_CALL;
|
|
softc->flags &= ~CD_FLAG_SCHED_ON_COMP;
|
|
cdrunchangerqueue(softc->changer);
|
|
}
|
|
} else if ((bioq_first(&softc->bio_queue) == NULL)
|
|
&& (softc->device_stats.busy_count == 0)) {
|
|
softc->changer->flags |= CHANGER_MANUAL_CALL;
|
|
cdrunchangerqueue(softc->changer);
|
|
}
|
|
} else if ((softc->changer->flags & CHANGER_NEED_TIMEOUT)
|
|
&& (softc->flags & CD_FLAG_ACTIVE)) {
|
|
|
|
/*
|
|
* Now that the first transaction to this
|
|
* particular device has completed, we can go ahead
|
|
* and schedule our timeouts.
|
|
*/
|
|
if ((changer->flags & CHANGER_TIMEOUT_SCHED) == 0) {
|
|
changer->long_handle =
|
|
timeout(cdrunchangerqueue, changer,
|
|
changer_max_busy_seconds * hz);
|
|
changer->flags |= CHANGER_TIMEOUT_SCHED;
|
|
} else
|
|
printf("cdchangerschedule: already have a long"
|
|
" timeout!\n");
|
|
|
|
if ((changer->flags & CHANGER_SHORT_TMOUT_SCHED) == 0) {
|
|
changer->short_handle =
|
|
timeout(cdshorttimeout, changer,
|
|
changer_min_busy_seconds * hz);
|
|
changer->flags |= CHANGER_SHORT_TMOUT_SCHED;
|
|
} else
|
|
printf("cdchangerschedule: already have a short "
|
|
"timeout!\n");
|
|
|
|
/*
|
|
* We just scheduled timeouts, no need to schedule
|
|
* more.
|
|
*/
|
|
changer->flags &= ~CHANGER_NEED_TIMEOUT;
|
|
|
|
}
|
|
splx(s);
|
|
}
|
|
|
|
static int
|
|
cdrunccb(union ccb *ccb, int (*error_routine)(union ccb *ccb,
|
|
u_int32_t cam_flags,
|
|
u_int32_t sense_flags),
|
|
u_int32_t cam_flags, u_int32_t sense_flags)
|
|
{
|
|
struct cd_softc *softc;
|
|
struct cam_periph *periph;
|
|
int error;
|
|
|
|
periph = xpt_path_periph(ccb->ccb_h.path);
|
|
softc = (struct cd_softc *)periph->softc;
|
|
|
|
error = cam_periph_runccb(ccb, error_routine, cam_flags, sense_flags,
|
|
&softc->device_stats);
|
|
|
|
if (softc->flags & CD_FLAG_CHANGER)
|
|
cdchangerschedule(softc);
|
|
|
|
return(error);
|
|
}
|
|
|
|
static union ccb *
|
|
cdgetccb(struct cam_periph *periph, u_int32_t priority)
|
|
{
|
|
struct cd_softc *softc;
|
|
int s;
|
|
|
|
softc = (struct cd_softc *)periph->softc;
|
|
|
|
if (softc->flags & CD_FLAG_CHANGER) {
|
|
|
|
s = splsoftcam();
|
|
|
|
/*
|
|
* This should work the first time this device is woken up,
|
|
* but just in case it doesn't, we use a while loop.
|
|
*/
|
|
while ((softc->flags & CD_FLAG_ACTIVE) == 0) {
|
|
/*
|
|
* If this changer isn't already queued, queue it up.
|
|
*/
|
|
if (softc->pinfo.index == CAM_UNQUEUED_INDEX) {
|
|
softc->pinfo.priority = 1;
|
|
softc->pinfo.generation =
|
|
++softc->changer->devq.generation;
|
|
camq_insert(&softc->changer->devq,
|
|
(cam_pinfo *)softc);
|
|
}
|
|
if (((softc->changer->flags & CHANGER_TIMEOUT_SCHED)==0)
|
|
&& ((softc->changer->flags & CHANGER_NEED_TIMEOUT)==0)
|
|
&& ((softc->changer->flags
|
|
& CHANGER_SHORT_TMOUT_SCHED)==0)) {
|
|
softc->changer->flags |= CHANGER_MANUAL_CALL;
|
|
cdrunchangerqueue(softc->changer);
|
|
} else
|
|
tsleep(&softc->changer, PRIBIO, "cgticb", 0);
|
|
}
|
|
splx(s);
|
|
}
|
|
return(cam_periph_getccb(periph, priority));
|
|
}
|
|
|
|
|
|
/*
|
|
* Actually translate the requested transfer into one the physical driver
|
|
* can understand. The transfer is described by a buf and will include
|
|
* only one physical transfer.
|
|
*/
|
|
static void
|
|
cdstrategy(struct bio *bp)
|
|
{
|
|
struct cam_periph *periph;
|
|
struct cd_softc *softc;
|
|
int s;
|
|
|
|
periph = (struct cam_periph *)bp->bio_dev->si_drv1;
|
|
if (periph == NULL) {
|
|
biofinish(bp, NULL, ENXIO);
|
|
return;
|
|
}
|
|
|
|
CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstrategy\n"));
|
|
|
|
softc = (struct cd_softc *)periph->softc;
|
|
|
|
/*
|
|
* Mask interrupts so that the pack cannot be invalidated until
|
|
* after we are in the queue. Otherwise, we might not properly
|
|
* clean up one of the buffers.
|
|
*/
|
|
s = splbio();
|
|
|
|
/*
|
|
* If the device has been made invalid, error out
|
|
*/
|
|
if ((softc->flags & CD_FLAG_INVALID)) {
|
|
splx(s);
|
|
biofinish(bp, NULL, ENXIO);
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* Place it in the queue of disk activities for this disk
|
|
*/
|
|
bioqdisksort(&softc->bio_queue, bp);
|
|
|
|
splx(s);
|
|
|
|
/*
|
|
* Schedule ourselves for performing the work. We do things
|
|
* differently for changers.
|
|
*/
|
|
if ((softc->flags & CD_FLAG_CHANGER) == 0)
|
|
xpt_schedule(periph, /* XXX priority */1);
|
|
else
|
|
cdschedule(periph, /* priority */ 1);
|
|
|
|
return;
|
|
}
|
|
|
|
static void
|
|
cdstart(struct cam_periph *periph, union ccb *start_ccb)
|
|
{
|
|
struct cd_softc *softc;
|
|
struct bio *bp;
|
|
struct ccb_scsiio *csio;
|
|
struct scsi_read_capacity_data *rcap;
|
|
int s;
|
|
|
|
softc = (struct cd_softc *)periph->softc;
|
|
|
|
CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstart\n"));
|
|
|
|
switch (softc->state) {
|
|
case CD_STATE_NORMAL:
|
|
{
|
|
int oldspl;
|
|
|
|
s = splbio();
|
|
bp = bioq_first(&softc->bio_queue);
|
|
if (periph->immediate_priority <= periph->pinfo.priority) {
|
|
start_ccb->ccb_h.ccb_state = CD_CCB_WAITING;
|
|
|
|
SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h,
|
|
periph_links.sle);
|
|
periph->immediate_priority = CAM_PRIORITY_NONE;
|
|
splx(s);
|
|
wakeup(&periph->ccb_list);
|
|
} else if (bp == NULL) {
|
|
splx(s);
|
|
xpt_release_ccb(start_ccb);
|
|
} else {
|
|
bioq_remove(&softc->bio_queue, bp);
|
|
|
|
devstat_start_transaction(&softc->device_stats);
|
|
|
|
scsi_read_write(&start_ccb->csio,
|
|
/*retries*/4,
|
|
/* cbfcnp */ cddone,
|
|
MSG_SIMPLE_Q_TAG,
|
|
/* read */bp->bio_cmd == BIO_READ,
|
|
/* byte2 */ 0,
|
|
/* minimum_cmd_size */ 10,
|
|
/* lba */ bp->bio_blkno /
|
|
(softc->params.blksize / DEV_BSIZE),
|
|
bp->bio_bcount / softc->params.blksize,
|
|
/* data_ptr */ bp->bio_data,
|
|
/* dxfer_len */ bp->bio_bcount,
|
|
/* sense_len */ SSD_FULL_SIZE,
|
|
/* timeout */ 30000);
|
|
start_ccb->ccb_h.ccb_state = CD_CCB_BUFFER_IO;
|
|
|
|
|
|
/*
|
|
* Block out any asyncronous callbacks
|
|
* while we touch the pending ccb list.
|
|
*/
|
|
oldspl = splcam();
|
|
LIST_INSERT_HEAD(&softc->pending_ccbs,
|
|
&start_ccb->ccb_h, periph_links.le);
|
|
splx(oldspl);
|
|
|
|
/* We expect a unit attention from this device */
|
|
if ((softc->flags & CD_FLAG_RETRY_UA) != 0) {
|
|
start_ccb->ccb_h.ccb_state |= CD_CCB_RETRY_UA;
|
|
softc->flags &= ~CD_FLAG_RETRY_UA;
|
|
}
|
|
|
|
start_ccb->ccb_h.ccb_bp = bp;
|
|
bp = bioq_first(&softc->bio_queue);
|
|
splx(s);
|
|
|
|
xpt_action(start_ccb);
|
|
}
|
|
if (bp != NULL) {
|
|
/* Have more work to do, so ensure we stay scheduled */
|
|
xpt_schedule(periph, /* XXX priority */1);
|
|
}
|
|
break;
|
|
}
|
|
case CD_STATE_PROBE:
|
|
{
|
|
|
|
rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcap),
|
|
M_TEMP,
|
|
M_NOWAIT);
|
|
if (rcap == NULL) {
|
|
xpt_print_path(periph->path);
|
|
printf("cdstart: Couldn't malloc read_capacity data\n");
|
|
/* cd_free_periph??? */
|
|
break;
|
|
}
|
|
csio = &start_ccb->csio;
|
|
scsi_read_capacity(csio,
|
|
/*retries*/1,
|
|
cddone,
|
|
MSG_SIMPLE_Q_TAG,
|
|
rcap,
|
|
SSD_FULL_SIZE,
|
|
/*timeout*/20000);
|
|
start_ccb->ccb_h.ccb_bp = NULL;
|
|
start_ccb->ccb_h.ccb_state = CD_CCB_PROBE;
|
|
xpt_action(start_ccb);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
cddone(struct cam_periph *periph, union ccb *done_ccb)
|
|
{
|
|
struct cd_softc *softc;
|
|
struct ccb_scsiio *csio;
|
|
|
|
CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cddone\n"));
|
|
|
|
softc = (struct cd_softc *)periph->softc;
|
|
csio = &done_ccb->csio;
|
|
|
|
switch (csio->ccb_h.ccb_state & CD_CCB_TYPE_MASK) {
|
|
case CD_CCB_BUFFER_IO:
|
|
{
|
|
struct bio *bp;
|
|
int error;
|
|
int oldspl;
|
|
|
|
bp = (struct bio *)done_ccb->ccb_h.ccb_bp;
|
|
error = 0;
|
|
|
|
if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
|
|
int sf;
|
|
|
|
if ((done_ccb->ccb_h.ccb_state & CD_CCB_RETRY_UA) != 0)
|
|
sf = SF_RETRY_UA;
|
|
else
|
|
sf = 0;
|
|
|
|
error = cderror(done_ccb, CAM_RETRY_SELTO, sf);
|
|
if (error == ERESTART) {
|
|
/*
|
|
* A retry was scheuled, so
|
|
* just return.
|
|
*/
|
|
return;
|
|
}
|
|
}
|
|
|
|
if (error != 0) {
|
|
int s;
|
|
struct bio *q_bp;
|
|
|
|
xpt_print_path(periph->path);
|
|
printf("cddone: got error %#x back\n", error);
|
|
s = splbio();
|
|
while ((q_bp = bioq_first(&softc->bio_queue)) != NULL) {
|
|
bioq_remove(&softc->bio_queue, q_bp);
|
|
q_bp->bio_resid = q_bp->bio_bcount;
|
|
biofinish(q_bp, NULL, EIO);
|
|
}
|
|
splx(s);
|
|
bp->bio_resid = bp->bio_bcount;
|
|
bp->bio_error = error;
|
|
bp->bio_flags |= BIO_ERROR;
|
|
cam_release_devq(done_ccb->ccb_h.path,
|
|
/*relsim_flags*/0,
|
|
/*reduction*/0,
|
|
/*timeout*/0,
|
|
/*getcount_only*/0);
|
|
|
|
} else {
|
|
bp->bio_resid = csio->resid;
|
|
bp->bio_error = 0;
|
|
if (bp->bio_resid != 0) {
|
|
/*
|
|
* Short transfer ???
|
|
* XXX: not sure this is correct for partial
|
|
* transfers at EOM
|
|
*/
|
|
bp->bio_flags |= BIO_ERROR;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Block out any asyncronous callbacks
|
|
* while we touch the pending ccb list.
|
|
*/
|
|
oldspl = splcam();
|
|
LIST_REMOVE(&done_ccb->ccb_h, periph_links.le);
|
|
splx(oldspl);
|
|
|
|
if (softc->flags & CD_FLAG_CHANGER)
|
|
cdchangerschedule(softc);
|
|
|
|
biofinish(bp, &softc->device_stats, 0);
|
|
break;
|
|
}
|
|
case CD_CCB_PROBE:
|
|
{
|
|
struct scsi_read_capacity_data *rdcap;
|
|
char announce_buf[120]; /*
|
|
* Currently (9/30/97) the
|
|
* longest possible announce
|
|
* buffer is 108 bytes, for the
|
|
* first error case below.
|
|
* That is 39 bytes for the
|
|
* basic string, 16 bytes for the
|
|
* biggest sense key (hardware
|
|
* error), 52 bytes for the
|
|
* text of the largest sense
|
|
* qualifier valid for a CDROM,
|
|
* (0x72, 0x03 or 0x04,
|
|
* 0x03), and one byte for the
|
|
* null terminating character.
|
|
* To allow for longer strings,
|
|
* the announce buffer is 120
|
|
* bytes.
|
|
*/
|
|
struct cd_params *cdp;
|
|
|
|
cdp = &softc->params;
|
|
|
|
rdcap = (struct scsi_read_capacity_data *)csio->data_ptr;
|
|
|
|
cdp->disksize = scsi_4btoul (rdcap->addr) + 1;
|
|
cdp->blksize = scsi_4btoul (rdcap->length);
|
|
|
|
if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
|
|
|
|
snprintf(announce_buf, sizeof(announce_buf),
|
|
"cd present [%lu x %lu byte records]",
|
|
cdp->disksize, (u_long)cdp->blksize);
|
|
|
|
} else {
|
|
int error;
|
|
/*
|
|
* Retry any UNIT ATTENTION type errors. They
|
|
* are expected at boot.
|
|
*/
|
|
error = cderror(done_ccb, CAM_RETRY_SELTO,
|
|
SF_RETRY_UA | SF_NO_PRINT);
|
|
if (error == ERESTART) {
|
|
/*
|
|
* A retry was scheuled, so
|
|
* just return.
|
|
*/
|
|
return;
|
|
} else if (error != 0) {
|
|
|
|
struct scsi_sense_data *sense;
|
|
int asc, ascq;
|
|
int sense_key, error_code;
|
|
int have_sense;
|
|
cam_status status;
|
|
struct ccb_getdev cgd;
|
|
|
|
/* Don't wedge this device's queue */
|
|
cam_release_devq(done_ccb->ccb_h.path,
|
|
/*relsim_flags*/0,
|
|
/*reduction*/0,
|
|
/*timeout*/0,
|
|
/*getcount_only*/0);
|
|
|
|
status = done_ccb->ccb_h.status;
|
|
|
|
xpt_setup_ccb(&cgd.ccb_h,
|
|
done_ccb->ccb_h.path,
|
|
/* priority */ 1);
|
|
cgd.ccb_h.func_code = XPT_GDEV_TYPE;
|
|
xpt_action((union ccb *)&cgd);
|
|
|
|
if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0)
|
|
|| ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0)
|
|
|| ((status & CAM_AUTOSNS_VALID) == 0))
|
|
have_sense = FALSE;
|
|
else
|
|
have_sense = TRUE;
|
|
|
|
if (have_sense) {
|
|
sense = &csio->sense_data;
|
|
scsi_extract_sense(sense, &error_code,
|
|
&sense_key,
|
|
&asc, &ascq);
|
|
}
|
|
/*
|
|
* Attach to anything that claims to be a
|
|
* CDROM or WORM device, as long as it
|
|
* doesn't return a "Logical unit not
|
|
* supported" (0x25) error.
|
|
*/
|
|
if ((have_sense) && (asc != 0x25)
|
|
&& (error_code == SSD_CURRENT_ERROR)) {
|
|
const char *sense_key_desc;
|
|
const char *asc_desc;
|
|
|
|
scsi_sense_desc(sense_key, asc, ascq,
|
|
&cgd.inq_data,
|
|
&sense_key_desc,
|
|
&asc_desc);
|
|
snprintf(announce_buf,
|
|
sizeof(announce_buf),
|
|
"Attempt to query device "
|
|
"size failed: %s, %s",
|
|
sense_key_desc,
|
|
asc_desc);
|
|
} else if ((have_sense == 0)
|
|
&& ((status & CAM_STATUS_MASK) ==
|
|
CAM_SCSI_STATUS_ERROR)
|
|
&& (csio->scsi_status ==
|
|
SCSI_STATUS_BUSY)) {
|
|
snprintf(announce_buf,
|
|
sizeof(announce_buf),
|
|
"Attempt to query device "
|
|
"size failed: SCSI Status: %s",
|
|
scsi_status_string(csio));
|
|
} else if (SID_TYPE(&cgd.inq_data) == T_CDROM) {
|
|
/*
|
|
* We only print out an error for
|
|
* CDROM type devices. For WORM
|
|
* devices, we don't print out an
|
|
* error since a few WORM devices
|
|
* don't support CDROM commands.
|
|
* If we have sense information, go
|
|
* ahead and print it out.
|
|
* Otherwise, just say that we
|
|
* couldn't attach.
|
|
*/
|
|
|
|
/*
|
|
* Just print out the error, not
|
|
* the full probe message, when we
|
|
* don't attach.
|
|
*/
|
|
if (have_sense)
|
|
scsi_sense_print(
|
|
&done_ccb->csio);
|
|
else {
|
|
xpt_print_path(periph->path);
|
|
printf("got CAM status %#x\n",
|
|
done_ccb->ccb_h.status);
|
|
}
|
|
xpt_print_path(periph->path);
|
|
printf("fatal error, failed"
|
|
" to attach to device\n");
|
|
|
|
/*
|
|
* Invalidate this peripheral.
|
|
*/
|
|
cam_periph_invalidate(periph);
|
|
|
|
announce_buf[0] = '\0';
|
|
} else {
|
|
|
|
/*
|
|
* Invalidate this peripheral.
|
|
*/
|
|
cam_periph_invalidate(periph);
|
|
announce_buf[0] = '\0';
|
|
}
|
|
}
|
|
}
|
|
free(rdcap, M_TEMP);
|
|
if (announce_buf[0] != '\0') {
|
|
xpt_announce_periph(periph, announce_buf);
|
|
if (softc->flags & CD_FLAG_CHANGER)
|
|
cdchangerschedule(softc);
|
|
}
|
|
softc->state = CD_STATE_NORMAL;
|
|
/*
|
|
* Since our peripheral may be invalidated by an error
|
|
* above or an external event, we must release our CCB
|
|
* before releasing the probe lock on the peripheral.
|
|
* The peripheral will only go away once the last lock
|
|
* is removed, and we need it around for the CCB release
|
|
* operation.
|
|
*/
|
|
xpt_release_ccb(done_ccb);
|
|
cam_periph_unlock(periph);
|
|
return;
|
|
}
|
|
case CD_CCB_WAITING:
|
|
{
|
|
/* Caller will release the CCB */
|
|
CAM_DEBUG(periph->path, CAM_DEBUG_TRACE,
|
|
("trying to wakeup ccbwait\n"));
|
|
|
|
wakeup(&done_ccb->ccb_h.cbfcnp);
|
|
return;
|
|
}
|
|
default:
|
|
break;
|
|
}
|
|
xpt_release_ccb(done_ccb);
|
|
}
|
|
|
|
static int
|
|
cdioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, struct thread *td)
|
|
{
|
|
|
|
struct cam_periph *periph;
|
|
struct cd_softc *softc;
|
|
int error;
|
|
|
|
periph = (struct cam_periph *)dev->si_drv1;
|
|
if (periph == NULL)
|
|
return(ENXIO);
|
|
|
|
CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdioctl\n"));
|
|
|
|
softc = (struct cd_softc *)periph->softc;
|
|
|
|
CAM_DEBUG(periph->path, CAM_DEBUG_TRACE,
|
|
("trying to do ioctl %#lx\n", cmd));
|
|
|
|
error = cam_periph_lock(periph, PRIBIO | PCATCH);
|
|
|
|
if (error != 0)
|
|
return(error);
|
|
|
|
switch (cmd) {
|
|
|
|
case DIOCGMEDIASIZE:
|
|
*(off_t *)addr =
|
|
(off_t)softc->params.blksize * softc->params.disksize;
|
|
break;
|
|
case DIOCGSECTORSIZE:
|
|
*(u_int *)addr = softc->params.blksize;
|
|
break;
|
|
|
|
case CDIOCPLAYTRACKS:
|
|
{
|
|
struct ioc_play_track *args
|
|
= (struct ioc_play_track *) addr;
|
|
struct cd_mode_data *data;
|
|
|
|
data = malloc(sizeof(struct cd_mode_data), M_TEMP,
|
|
M_WAITOK);
|
|
|
|
CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
|
|
("trying to do CDIOCPLAYTRACKS\n"));
|
|
|
|
error = cdgetmode(periph, data, AUDIO_PAGE);
|
|
if (error) {
|
|
free(data, M_TEMP);
|
|
break;
|
|
}
|
|
data->page.audio.flags &= ~CD_PA_SOTC;
|
|
data->page.audio.flags |= CD_PA_IMMED;
|
|
error = cdsetmode(periph, data);
|
|
free(data, M_TEMP);
|
|
if (error)
|
|
break;
|
|
if (softc->quirks & CD_Q_BCD_TRACKS) {
|
|
args->start_track = bin2bcd(args->start_track);
|
|
args->end_track = bin2bcd(args->end_track);
|
|
}
|
|
error = cdplaytracks(periph,
|
|
args->start_track,
|
|
args->start_index,
|
|
args->end_track,
|
|
args->end_index);
|
|
}
|
|
break;
|
|
case CDIOCPLAYMSF:
|
|
{
|
|
struct ioc_play_msf *args
|
|
= (struct ioc_play_msf *) addr;
|
|
struct cd_mode_data *data;
|
|
|
|
data = malloc(sizeof(struct cd_mode_data), M_TEMP,
|
|
M_WAITOK);
|
|
|
|
CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
|
|
("trying to do CDIOCPLAYMSF\n"));
|
|
|
|
error = cdgetmode(periph, data, AUDIO_PAGE);
|
|
if (error) {
|
|
free(data, M_TEMP);
|
|
break;
|
|
}
|
|
data->page.audio.flags &= ~CD_PA_SOTC;
|
|
data->page.audio.flags |= CD_PA_IMMED;
|
|
error = cdsetmode(periph, data);
|
|
free(data, M_TEMP);
|
|
if (error)
|
|
break;
|
|
error = cdplaymsf(periph,
|
|
args->start_m,
|
|
args->start_s,
|
|
args->start_f,
|
|
args->end_m,
|
|
args->end_s,
|
|
args->end_f);
|
|
}
|
|
break;
|
|
case CDIOCPLAYBLOCKS:
|
|
{
|
|
struct ioc_play_blocks *args
|
|
= (struct ioc_play_blocks *) addr;
|
|
struct cd_mode_data *data;
|
|
|
|
CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
|
|
("trying to do CDIOCPLAYBLOCKS\n"));
|
|
|
|
data = malloc(sizeof(struct cd_mode_data), M_TEMP,
|
|
M_WAITOK);
|
|
|
|
error = cdgetmode(periph, data, AUDIO_PAGE);
|
|
if (error) {
|
|
free(data, M_TEMP);
|
|
break;
|
|
}
|
|
data->page.audio.flags &= ~CD_PA_SOTC;
|
|
data->page.audio.flags |= CD_PA_IMMED;
|
|
error = cdsetmode(periph, data);
|
|
free(data, M_TEMP);
|
|
if (error)
|
|
break;
|
|
error = cdplay(periph, args->blk, args->len);
|
|
}
|
|
break;
|
|
case CDIOCREADSUBCHANNEL:
|
|
{
|
|
struct ioc_read_subchannel *args
|
|
= (struct ioc_read_subchannel *) addr;
|
|
struct cd_sub_channel_info *data;
|
|
u_int32_t len = args->data_len;
|
|
|
|
CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
|
|
("trying to do CDIOCREADSUBCHANNEL\n"));
|
|
|
|
data = malloc(sizeof(struct cd_sub_channel_info),
|
|
M_TEMP, M_WAITOK);
|
|
|
|
if ((len > sizeof(struct cd_sub_channel_info)) ||
|
|
(len < sizeof(struct cd_sub_channel_header))) {
|
|
printf(
|
|
"scsi_cd: cdioctl: "
|
|
"cdioreadsubchannel: error, len=%d\n",
|
|
len);
|
|
error = EINVAL;
|
|
free(data, M_TEMP);
|
|
break;
|
|
}
|
|
|
|
if (softc->quirks & CD_Q_BCD_TRACKS)
|
|
args->track = bin2bcd(args->track);
|
|
|
|
error = cdreadsubchannel(periph, args->address_format,
|
|
args->data_format, args->track, data, len);
|
|
|
|
if (error) {
|
|
free(data, M_TEMP);
|
|
break;
|
|
}
|
|
if (softc->quirks & CD_Q_BCD_TRACKS)
|
|
data->what.track_info.track_number =
|
|
bcd2bin(data->what.track_info.track_number);
|
|
len = min(len, ((data->header.data_len[0] << 8) +
|
|
data->header.data_len[1] +
|
|
sizeof(struct cd_sub_channel_header)));
|
|
if (copyout(data, args->data, len) != 0) {
|
|
error = EFAULT;
|
|
}
|
|
free(data, M_TEMP);
|
|
}
|
|
break;
|
|
|
|
case CDIOREADTOCHEADER:
|
|
{
|
|
struct ioc_toc_header *th;
|
|
|
|
CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
|
|
("trying to do CDIOREADTOCHEADER\n"));
|
|
|
|
th = malloc(sizeof(struct ioc_toc_header), M_TEMP,
|
|
M_WAITOK);
|
|
error = cdreadtoc(periph, 0, 0,
|
|
(struct cd_toc_entry *)th,
|
|
sizeof (*th));
|
|
if (error) {
|
|
free(th, M_TEMP);
|
|
break;
|
|
}
|
|
if (softc->quirks & CD_Q_BCD_TRACKS) {
|
|
/* we are going to have to convert the BCD
|
|
* encoding on the cd to what is expected
|
|
*/
|
|
th->starting_track =
|
|
bcd2bin(th->starting_track);
|
|
th->ending_track = bcd2bin(th->ending_track);
|
|
}
|
|
th->len = ntohs(th->len);
|
|
bcopy(th, addr, sizeof(*th));
|
|
free(th, M_TEMP);
|
|
}
|
|
break;
|
|
case CDIOREADTOCENTRYS:
|
|
{
|
|
typedef struct {
|
|
struct ioc_toc_header header;
|
|
struct cd_toc_entry entries[100];
|
|
} data_t;
|
|
typedef struct {
|
|
struct ioc_toc_header header;
|
|
struct cd_toc_entry entry;
|
|
} lead_t;
|
|
|
|
data_t *data;
|
|
lead_t *lead;
|
|
struct ioc_read_toc_entry *te =
|
|
(struct ioc_read_toc_entry *) addr;
|
|
struct ioc_toc_header *th;
|
|
u_int32_t len, readlen, idx, num;
|
|
u_int32_t starting_track = te->starting_track;
|
|
|
|
CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
|
|
("trying to do CDIOREADTOCENTRYS\n"));
|
|
|
|
data = malloc(sizeof(data_t), M_TEMP, M_WAITOK);
|
|
lead = malloc(sizeof(lead_t), M_TEMP, M_WAITOK);
|
|
|
|
if (te->data_len < sizeof(struct cd_toc_entry)
|
|
|| (te->data_len % sizeof(struct cd_toc_entry)) != 0
|
|
|| (te->address_format != CD_MSF_FORMAT
|
|
&& te->address_format != CD_LBA_FORMAT)) {
|
|
error = EINVAL;
|
|
printf("scsi_cd: error in readtocentries, "
|
|
"returning EINVAL\n");
|
|
free(data, M_TEMP);
|
|
free(lead, M_TEMP);
|
|
break;
|
|
}
|
|
|
|
th = &data->header;
|
|
error = cdreadtoc(periph, 0, 0,
|
|
(struct cd_toc_entry *)th,
|
|
sizeof (*th));
|
|
if (error) {
|
|
free(data, M_TEMP);
|
|
free(lead, M_TEMP);
|
|
break;
|
|
}
|
|
|
|
if (softc->quirks & CD_Q_BCD_TRACKS) {
|
|
/* we are going to have to convert the BCD
|
|
* encoding on the cd to what is expected
|
|
*/
|
|
th->starting_track =
|
|
bcd2bin(th->starting_track);
|
|
th->ending_track = bcd2bin(th->ending_track);
|
|
}
|
|
|
|
if (starting_track == 0)
|
|
starting_track = th->starting_track;
|
|
else if (starting_track == LEADOUT)
|
|
starting_track = th->ending_track + 1;
|
|
else if (starting_track < th->starting_track ||
|
|
starting_track > th->ending_track + 1) {
|
|
printf("scsi_cd: error in readtocentries, "
|
|
"returning EINVAL\n");
|
|
free(data, M_TEMP);
|
|
free(lead, M_TEMP);
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
|
|
/* calculate reading length without leadout entry */
|
|
readlen = (th->ending_track - starting_track + 1) *
|
|
sizeof(struct cd_toc_entry);
|
|
|
|
/* and with leadout entry */
|
|
len = readlen + sizeof(struct cd_toc_entry);
|
|
if (te->data_len < len) {
|
|
len = te->data_len;
|
|
if (readlen > len)
|
|
readlen = len;
|
|
}
|
|
if (len > sizeof(data->entries)) {
|
|
printf("scsi_cd: error in readtocentries, "
|
|
"returning EINVAL\n");
|
|
error = EINVAL;
|
|
free(data, M_TEMP);
|
|
free(lead, M_TEMP);
|
|
break;
|
|
}
|
|
num = len / sizeof(struct cd_toc_entry);
|
|
|
|
if (readlen > 0) {
|
|
error = cdreadtoc(periph, te->address_format,
|
|
starting_track,
|
|
(struct cd_toc_entry *)data,
|
|
readlen + sizeof (*th));
|
|
if (error) {
|
|
free(data, M_TEMP);
|
|
free(lead, M_TEMP);
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* make leadout entry if needed */
|
|
idx = starting_track + num - 1;
|
|
if (softc->quirks & CD_Q_BCD_TRACKS)
|
|
th->ending_track = bcd2bin(th->ending_track);
|
|
if (idx == th->ending_track + 1) {
|
|
error = cdreadtoc(periph, te->address_format,
|
|
LEADOUT,
|
|
(struct cd_toc_entry *)lead,
|
|
sizeof(*lead));
|
|
if (error) {
|
|
free(data, M_TEMP);
|
|
free(lead, M_TEMP);
|
|
break;
|
|
}
|
|
data->entries[idx - starting_track] =
|
|
lead->entry;
|
|
}
|
|
if (softc->quirks & CD_Q_BCD_TRACKS) {
|
|
for (idx = 0; idx < num - 1; idx++) {
|
|
data->entries[idx].track =
|
|
bcd2bin(data->entries[idx].track);
|
|
}
|
|
}
|
|
|
|
error = copyout(data->entries, te->data, len);
|
|
free(data, M_TEMP);
|
|
free(lead, M_TEMP);
|
|
}
|
|
break;
|
|
case CDIOREADTOCENTRY:
|
|
{
|
|
/* yeah yeah, this is ugly */
|
|
typedef struct {
|
|
struct ioc_toc_header header;
|
|
struct cd_toc_entry entry;
|
|
} data_t;
|
|
|
|
data_t *data;
|
|
struct ioc_read_toc_single_entry *te =
|
|
(struct ioc_read_toc_single_entry *) addr;
|
|
struct ioc_toc_header *th;
|
|
u_int32_t track;
|
|
|
|
CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
|
|
("trying to do CDIOREADTOCENTRY\n"));
|
|
|
|
data = malloc(sizeof(data_t), M_TEMP, M_WAITOK);
|
|
|
|
if (te->address_format != CD_MSF_FORMAT
|
|
&& te->address_format != CD_LBA_FORMAT) {
|
|
printf("error in readtocentry, "
|
|
" returning EINVAL\n");
|
|
free(data, M_TEMP);
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
|
|
th = &data->header;
|
|
error = cdreadtoc(periph, 0, 0,
|
|
(struct cd_toc_entry *)th,
|
|
sizeof (*th));
|
|
if (error) {
|
|
free(data, M_TEMP);
|
|
break;
|
|
}
|
|
|
|
if (softc->quirks & CD_Q_BCD_TRACKS) {
|
|
/* we are going to have to convert the BCD
|
|
* encoding on the cd to what is expected
|
|
*/
|
|
th->starting_track =
|
|
bcd2bin(th->starting_track);
|
|
th->ending_track = bcd2bin(th->ending_track);
|
|
}
|
|
track = te->track;
|
|
if (track == 0)
|
|
track = th->starting_track;
|
|
else if (track == LEADOUT)
|
|
/* OK */;
|
|
else if (track < th->starting_track ||
|
|
track > th->ending_track + 1) {
|
|
printf("error in readtocentry, "
|
|
" returning EINVAL\n");
|
|
free(data, M_TEMP);
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
|
|
error = cdreadtoc(periph, te->address_format, track,
|
|
(struct cd_toc_entry *)data,
|
|
sizeof(data_t));
|
|
if (error) {
|
|
free(data, M_TEMP);
|
|
break;
|
|
}
|
|
|
|
if (softc->quirks & CD_Q_BCD_TRACKS)
|
|
data->entry.track = bcd2bin(data->entry.track);
|
|
bcopy(&data->entry, &te->entry,
|
|
sizeof(struct cd_toc_entry));
|
|
free(data, M_TEMP);
|
|
}
|
|
break;
|
|
case CDIOCSETPATCH:
|
|
{
|
|
struct ioc_patch *arg = (struct ioc_patch *) addr;
|
|
struct cd_mode_data *data;
|
|
|
|
CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
|
|
("trying to do CDIOCSETPATCH\n"));
|
|
|
|
data = malloc(sizeof(struct cd_mode_data), M_TEMP,
|
|
M_WAITOK);
|
|
error = cdgetmode(periph, data, AUDIO_PAGE);
|
|
if (error) {
|
|
free(data, M_TEMP);
|
|
break;
|
|
}
|
|
data->page.audio.port[LEFT_PORT].channels =
|
|
arg->patch[0];
|
|
data->page.audio.port[RIGHT_PORT].channels =
|
|
arg->patch[1];
|
|
data->page.audio.port[2].channels = arg->patch[2];
|
|
data->page.audio.port[3].channels = arg->patch[3];
|
|
error = cdsetmode(periph, data);
|
|
free(data, M_TEMP);
|
|
}
|
|
break;
|
|
case CDIOCGETVOL:
|
|
{
|
|
struct ioc_vol *arg = (struct ioc_vol *) addr;
|
|
struct cd_mode_data *data;
|
|
|
|
CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
|
|
("trying to do CDIOCGETVOL\n"));
|
|
|
|
data = malloc(sizeof(struct cd_mode_data), M_TEMP,
|
|
M_WAITOK);
|
|
error = cdgetmode(periph, data, AUDIO_PAGE);
|
|
if (error) {
|
|
free(data, M_TEMP);
|
|
break;
|
|
}
|
|
arg->vol[LEFT_PORT] =
|
|
data->page.audio.port[LEFT_PORT].volume;
|
|
arg->vol[RIGHT_PORT] =
|
|
data->page.audio.port[RIGHT_PORT].volume;
|
|
arg->vol[2] = data->page.audio.port[2].volume;
|
|
arg->vol[3] = data->page.audio.port[3].volume;
|
|
free(data, M_TEMP);
|
|
}
|
|
break;
|
|
case CDIOCSETVOL:
|
|
{
|
|
struct ioc_vol *arg = (struct ioc_vol *) addr;
|
|
struct cd_mode_data *data;
|
|
|
|
CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
|
|
("trying to do CDIOCSETVOL\n"));
|
|
|
|
data = malloc(sizeof(struct cd_mode_data), M_TEMP,
|
|
M_WAITOK);
|
|
error = cdgetmode(periph, data, AUDIO_PAGE);
|
|
if (error) {
|
|
free(data, M_TEMP);
|
|
break;
|
|
}
|
|
data->page.audio.port[LEFT_PORT].channels = CHANNEL_0;
|
|
data->page.audio.port[LEFT_PORT].volume =
|
|
arg->vol[LEFT_PORT];
|
|
data->page.audio.port[RIGHT_PORT].channels = CHANNEL_1;
|
|
data->page.audio.port[RIGHT_PORT].volume =
|
|
arg->vol[RIGHT_PORT];
|
|
data->page.audio.port[2].volume = arg->vol[2];
|
|
data->page.audio.port[3].volume = arg->vol[3];
|
|
error = cdsetmode(periph, data);
|
|
free(data, M_TEMP);
|
|
}
|
|
break;
|
|
case CDIOCSETMONO:
|
|
{
|
|
struct cd_mode_data *data;
|
|
|
|
CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
|
|
("trying to do CDIOCSETMONO\n"));
|
|
|
|
data = malloc(sizeof(struct cd_mode_data),
|
|
M_TEMP, M_WAITOK);
|
|
error = cdgetmode(periph, data, AUDIO_PAGE);
|
|
if (error) {
|
|
free(data, M_TEMP);
|
|
break;
|
|
}
|
|
data->page.audio.port[LEFT_PORT].channels =
|
|
LEFT_CHANNEL | RIGHT_CHANNEL;
|
|
data->page.audio.port[RIGHT_PORT].channels =
|
|
LEFT_CHANNEL | RIGHT_CHANNEL;
|
|
data->page.audio.port[2].channels = 0;
|
|
data->page.audio.port[3].channels = 0;
|
|
error = cdsetmode(periph, data);
|
|
free(data, M_TEMP);
|
|
}
|
|
break;
|
|
case CDIOCSETSTEREO:
|
|
{
|
|
struct cd_mode_data *data;
|
|
|
|
CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
|
|
("trying to do CDIOCSETSTEREO\n"));
|
|
|
|
data = malloc(sizeof(struct cd_mode_data), M_TEMP,
|
|
M_WAITOK);
|
|
error = cdgetmode(periph, data, AUDIO_PAGE);
|
|
if (error) {
|
|
free(data, M_TEMP);
|
|
break;
|
|
}
|
|
data->page.audio.port[LEFT_PORT].channels =
|
|
LEFT_CHANNEL;
|
|
data->page.audio.port[RIGHT_PORT].channels =
|
|
RIGHT_CHANNEL;
|
|
data->page.audio.port[2].channels = 0;
|
|
data->page.audio.port[3].channels = 0;
|
|
error = cdsetmode(periph, data);
|
|
free(data, M_TEMP);
|
|
}
|
|
break;
|
|
case CDIOCSETMUTE:
|
|
{
|
|
struct cd_mode_data *data;
|
|
|
|
CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
|
|
("trying to do CDIOCSETMUTE\n"));
|
|
|
|
data = malloc(sizeof(struct cd_mode_data), M_TEMP,
|
|
M_WAITOK);
|
|
error = cdgetmode(periph, data, AUDIO_PAGE);
|
|
if (error) {
|
|
free(data, M_TEMP);
|
|
break;
|
|
}
|
|
data->page.audio.port[LEFT_PORT].channels = 0;
|
|
data->page.audio.port[RIGHT_PORT].channels = 0;
|
|
data->page.audio.port[2].channels = 0;
|
|
data->page.audio.port[3].channels = 0;
|
|
error = cdsetmode(periph, data);
|
|
free(data, M_TEMP);
|
|
}
|
|
break;
|
|
case CDIOCSETLEFT:
|
|
{
|
|
struct cd_mode_data *data;
|
|
|
|
CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
|
|
("trying to do CDIOCSETLEFT\n"));
|
|
|
|
data = malloc(sizeof(struct cd_mode_data), M_TEMP,
|
|
M_WAITOK);
|
|
error = cdgetmode(periph, data, AUDIO_PAGE);
|
|
if (error) {
|
|
free(data, M_TEMP);
|
|
break;
|
|
}
|
|
data->page.audio.port[LEFT_PORT].channels =
|
|
LEFT_CHANNEL;
|
|
data->page.audio.port[RIGHT_PORT].channels =
|
|
LEFT_CHANNEL;
|
|
data->page.audio.port[2].channels = 0;
|
|
data->page.audio.port[3].channels = 0;
|
|
error = cdsetmode(periph, data);
|
|
free(data, M_TEMP);
|
|
}
|
|
break;
|
|
case CDIOCSETRIGHT:
|
|
{
|
|
struct cd_mode_data *data;
|
|
|
|
CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
|
|
("trying to do CDIOCSETRIGHT\n"));
|
|
|
|
data = malloc(sizeof(struct cd_mode_data), M_TEMP,
|
|
M_WAITOK);
|
|
error = cdgetmode(periph, data, AUDIO_PAGE);
|
|
if (error) {
|
|
free(data, M_TEMP);
|
|
break;
|
|
}
|
|
data->page.audio.port[LEFT_PORT].channels =
|
|
RIGHT_CHANNEL;
|
|
data->page.audio.port[RIGHT_PORT].channels =
|
|
RIGHT_CHANNEL;
|
|
data->page.audio.port[2].channels = 0;
|
|
data->page.audio.port[3].channels = 0;
|
|
error = cdsetmode(periph, data);
|
|
free(data, M_TEMP);
|
|
}
|
|
break;
|
|
case CDIOCRESUME:
|
|
error = cdpause(periph, 1);
|
|
break;
|
|
case CDIOCPAUSE:
|
|
error = cdpause(periph, 0);
|
|
break;
|
|
case CDIOCSTART:
|
|
error = cdstartunit(periph);
|
|
break;
|
|
case CDIOCSTOP:
|
|
error = cdstopunit(periph, 0);
|
|
break;
|
|
case CDIOCEJECT:
|
|
error = cdstopunit(periph, 1);
|
|
break;
|
|
case CDIOCALLOW:
|
|
cdprevent(periph, PR_ALLOW);
|
|
break;
|
|
case CDIOCPREVENT:
|
|
cdprevent(periph, PR_PREVENT);
|
|
break;
|
|
case CDIOCSETDEBUG:
|
|
/* sc_link->flags |= (SDEV_DB1 | SDEV_DB2); */
|
|
error = ENOTTY;
|
|
break;
|
|
case CDIOCCLRDEBUG:
|
|
/* sc_link->flags &= ~(SDEV_DB1 | SDEV_DB2); */
|
|
error = ENOTTY;
|
|
break;
|
|
case CDIOCRESET:
|
|
/* return (cd_reset(periph)); */
|
|
error = ENOTTY;
|
|
break;
|
|
case DVDIOCSENDKEY:
|
|
case DVDIOCREPORTKEY: {
|
|
struct dvd_authinfo *authinfo;
|
|
|
|
authinfo = (struct dvd_authinfo *)addr;
|
|
|
|
if (cmd == DVDIOCREPORTKEY)
|
|
error = cdreportkey(periph, authinfo);
|
|
else
|
|
error = cdsendkey(periph, authinfo);
|
|
break;
|
|
}
|
|
case DVDIOCREADSTRUCTURE: {
|
|
struct dvd_struct *dvdstruct;
|
|
|
|
dvdstruct = (struct dvd_struct *)addr;
|
|
|
|
error = cdreaddvdstructure(periph, dvdstruct);
|
|
|
|
break;
|
|
}
|
|
default:
|
|
error = cam_periph_ioctl(periph, cmd, addr, cderror);
|
|
break;
|
|
}
|
|
|
|
cam_periph_unlock(periph);
|
|
|
|
CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdioctl\n"));
|
|
if (error && bootverbose) {
|
|
printf("scsi_cd.c::ioctl cmd=%08lx error=%d\n", cmd, error);
|
|
}
|
|
|
|
return (error);
|
|
}
|
|
|
|
static void
|
|
cdprevent(struct cam_periph *periph, int action)
|
|
{
|
|
union ccb *ccb;
|
|
struct cd_softc *softc;
|
|
int error;
|
|
|
|
CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdprevent\n"));
|
|
|
|
softc = (struct cd_softc *)periph->softc;
|
|
|
|
if (((action == PR_ALLOW)
|
|
&& (softc->flags & CD_FLAG_DISC_LOCKED) == 0)
|
|
|| ((action == PR_PREVENT)
|
|
&& (softc->flags & CD_FLAG_DISC_LOCKED) != 0)) {
|
|
return;
|
|
}
|
|
|
|
ccb = cdgetccb(periph, /* priority */ 1);
|
|
|
|
scsi_prevent(&ccb->csio,
|
|
/*retries*/ 1,
|
|
cddone,
|
|
MSG_SIMPLE_Q_TAG,
|
|
action,
|
|
SSD_FULL_SIZE,
|
|
/* timeout */60000);
|
|
|
|
error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
|
|
/*sense_flags*/SF_RETRY_UA|SF_NO_PRINT);
|
|
|
|
xpt_release_ccb(ccb);
|
|
|
|
if (error == 0) {
|
|
if (action == PR_ALLOW)
|
|
softc->flags &= ~CD_FLAG_DISC_LOCKED;
|
|
else
|
|
softc->flags |= CD_FLAG_DISC_LOCKED;
|
|
}
|
|
}
|
|
|
|
static int
|
|
cdsize(dev_t dev, u_int32_t *size)
|
|
{
|
|
struct cam_periph *periph;
|
|
struct cd_softc *softc;
|
|
union ccb *ccb;
|
|
struct scsi_read_capacity_data *rcap_buf;
|
|
int error;
|
|
|
|
periph = (struct cam_periph *)dev->si_drv1;
|
|
if (periph == NULL)
|
|
return (ENXIO);
|
|
|
|
CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdsize\n"));
|
|
|
|
softc = (struct cd_softc *)periph->softc;
|
|
|
|
ccb = cdgetccb(periph, /* priority */ 1);
|
|
|
|
rcap_buf = malloc(sizeof(struct scsi_read_capacity_data),
|
|
M_TEMP, M_WAITOK);
|
|
|
|
scsi_read_capacity(&ccb->csio,
|
|
/*retries*/ 1,
|
|
cddone,
|
|
MSG_SIMPLE_Q_TAG,
|
|
rcap_buf,
|
|
SSD_FULL_SIZE,
|
|
/* timeout */20000);
|
|
|
|
error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
|
|
/*sense_flags*/SF_RETRY_UA|SF_NO_PRINT);
|
|
|
|
xpt_release_ccb(ccb);
|
|
|
|
softc->params.disksize = scsi_4btoul(rcap_buf->addr) + 1;
|
|
softc->params.blksize = scsi_4btoul(rcap_buf->length);
|
|
/*
|
|
* SCSI-3 mandates that the reported blocksize shall be 2048.
|
|
* Older drives sometimes report funny values, trim it down to
|
|
* 2048, or other parts of the kernel will get confused.
|
|
*
|
|
* XXX we leave drives alone that might report 512 bytes, as
|
|
* well as drives reporting more weird sizes like perhaps 4K.
|
|
*/
|
|
if (softc->params.blksize > 2048 && softc->params.blksize <= 2352)
|
|
softc->params.blksize = 2048;
|
|
|
|
free(rcap_buf, M_TEMP);
|
|
*size = softc->params.disksize;
|
|
|
|
return (error);
|
|
|
|
}
|
|
|
|
static int
|
|
cderror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags)
|
|
{
|
|
struct cd_softc *softc;
|
|
struct cam_periph *periph;
|
|
|
|
periph = xpt_path_periph(ccb->ccb_h.path);
|
|
softc = (struct cd_softc *)periph->softc;
|
|
|
|
/*
|
|
* XXX
|
|
* Until we have a better way of doing pack validation,
|
|
* don't treat UAs as errors.
|
|
*/
|
|
sense_flags |= SF_RETRY_UA;
|
|
return (cam_periph_error(ccb, cam_flags, sense_flags,
|
|
&softc->saved_ccb));
|
|
}
|
|
|
|
/*
|
|
* Read table of contents
|
|
*/
|
|
static int
|
|
cdreadtoc(struct cam_periph *periph, u_int32_t mode, u_int32_t start,
|
|
struct cd_toc_entry *data, u_int32_t len)
|
|
{
|
|
struct scsi_read_toc *scsi_cmd;
|
|
u_int32_t ntoc;
|
|
struct ccb_scsiio *csio;
|
|
union ccb *ccb;
|
|
int error;
|
|
|
|
ntoc = len;
|
|
error = 0;
|
|
|
|
ccb = cdgetccb(periph, /* priority */ 1);
|
|
|
|
csio = &ccb->csio;
|
|
|
|
cam_fill_csio(csio,
|
|
/* retries */ 1,
|
|
/* cbfcnp */ cddone,
|
|
/* flags */ CAM_DIR_IN,
|
|
/* tag_action */ MSG_SIMPLE_Q_TAG,
|
|
/* data_ptr */ (u_int8_t *)data,
|
|
/* dxfer_len */ len,
|
|
/* sense_len */ SSD_FULL_SIZE,
|
|
sizeof(struct scsi_read_toc),
|
|
/* timeout */ 50000);
|
|
|
|
scsi_cmd = (struct scsi_read_toc *)&csio->cdb_io.cdb_bytes;
|
|
bzero (scsi_cmd, sizeof(*scsi_cmd));
|
|
|
|
if (mode == CD_MSF_FORMAT)
|
|
scsi_cmd->byte2 |= CD_MSF;
|
|
scsi_cmd->from_track = start;
|
|
/* scsi_ulto2b(ntoc, (u_int8_t *)scsi_cmd->data_len); */
|
|
scsi_cmd->data_len[0] = (ntoc) >> 8;
|
|
scsi_cmd->data_len[1] = (ntoc) & 0xff;
|
|
|
|
scsi_cmd->op_code = READ_TOC;
|
|
|
|
error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
|
|
/*sense_flags*/SF_RETRY_UA);
|
|
|
|
xpt_release_ccb(ccb);
|
|
|
|
return(error);
|
|
}
|
|
|
|
static int
|
|
cdreadsubchannel(struct cam_periph *periph, u_int32_t mode,
|
|
u_int32_t format, int track,
|
|
struct cd_sub_channel_info *data, u_int32_t len)
|
|
{
|
|
struct scsi_read_subchannel *scsi_cmd;
|
|
struct ccb_scsiio *csio;
|
|
union ccb *ccb;
|
|
int error;
|
|
|
|
error = 0;
|
|
|
|
ccb = cdgetccb(periph, /* priority */ 1);
|
|
|
|
csio = &ccb->csio;
|
|
|
|
cam_fill_csio(csio,
|
|
/* retries */ 1,
|
|
/* cbfcnp */ cddone,
|
|
/* flags */ CAM_DIR_IN,
|
|
/* tag_action */ MSG_SIMPLE_Q_TAG,
|
|
/* data_ptr */ (u_int8_t *)data,
|
|
/* dxfer_len */ len,
|
|
/* sense_len */ SSD_FULL_SIZE,
|
|
sizeof(struct scsi_read_subchannel),
|
|
/* timeout */ 50000);
|
|
|
|
scsi_cmd = (struct scsi_read_subchannel *)&csio->cdb_io.cdb_bytes;
|
|
bzero (scsi_cmd, sizeof(*scsi_cmd));
|
|
|
|
scsi_cmd->op_code = READ_SUBCHANNEL;
|
|
if (mode == CD_MSF_FORMAT)
|
|
scsi_cmd->byte1 |= CD_MSF;
|
|
scsi_cmd->byte2 = SRS_SUBQ;
|
|
scsi_cmd->subchan_format = format;
|
|
scsi_cmd->track = track;
|
|
scsi_ulto2b(len, (u_int8_t *)scsi_cmd->data_len);
|
|
scsi_cmd->control = 0;
|
|
|
|
error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
|
|
/*sense_flags*/SF_RETRY_UA);
|
|
|
|
xpt_release_ccb(ccb);
|
|
|
|
return(error);
|
|
}
|
|
|
|
|
|
static int
|
|
cdgetmode(struct cam_periph *periph, struct cd_mode_data *data, u_int32_t page)
|
|
{
|
|
struct scsi_mode_sense_6 *scsi_cmd;
|
|
struct ccb_scsiio *csio;
|
|
union ccb *ccb;
|
|
int error;
|
|
|
|
ccb = cdgetccb(periph, /* priority */ 1);
|
|
|
|
csio = &ccb->csio;
|
|
|
|
bzero(data, sizeof(*data));
|
|
cam_fill_csio(csio,
|
|
/* retries */ 1,
|
|
/* cbfcnp */ cddone,
|
|
/* flags */ CAM_DIR_IN,
|
|
/* tag_action */ MSG_SIMPLE_Q_TAG,
|
|
/* data_ptr */ (u_int8_t *)data,
|
|
/* dxfer_len */ sizeof(*data),
|
|
/* sense_len */ SSD_FULL_SIZE,
|
|
sizeof(struct scsi_mode_sense_6),
|
|
/* timeout */ 50000);
|
|
|
|
scsi_cmd = (struct scsi_mode_sense_6 *)&csio->cdb_io.cdb_bytes;
|
|
bzero (scsi_cmd, sizeof(*scsi_cmd));
|
|
|
|
scsi_cmd->page = page;
|
|
scsi_cmd->length = sizeof(*data) & 0xff;
|
|
scsi_cmd->opcode = MODE_SENSE;
|
|
|
|
error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
|
|
/*sense_flags*/SF_RETRY_UA);
|
|
|
|
xpt_release_ccb(ccb);
|
|
|
|
return(error);
|
|
}
|
|
|
|
static int
|
|
cdsetmode(struct cam_periph *periph, struct cd_mode_data *data)
|
|
{
|
|
struct scsi_mode_select_6 *scsi_cmd;
|
|
struct ccb_scsiio *csio;
|
|
union ccb *ccb;
|
|
int error;
|
|
|
|
ccb = cdgetccb(periph, /* priority */ 1);
|
|
|
|
csio = &ccb->csio;
|
|
|
|
error = 0;
|
|
|
|
cam_fill_csio(csio,
|
|
/* retries */ 1,
|
|
/* cbfcnp */ cddone,
|
|
/* flags */ CAM_DIR_OUT,
|
|
/* tag_action */ MSG_SIMPLE_Q_TAG,
|
|
/* data_ptr */ (u_int8_t *)data,
|
|
/* dxfer_len */ sizeof(*data),
|
|
/* sense_len */ SSD_FULL_SIZE,
|
|
sizeof(struct scsi_mode_select_6),
|
|
/* timeout */ 50000);
|
|
|
|
scsi_cmd = (struct scsi_mode_select_6 *)&csio->cdb_io.cdb_bytes;
|
|
|
|
bzero(scsi_cmd, sizeof(*scsi_cmd));
|
|
scsi_cmd->opcode = MODE_SELECT;
|
|
scsi_cmd->byte2 |= SMS_PF;
|
|
scsi_cmd->length = sizeof(*data) & 0xff;
|
|
data->header.data_length = 0;
|
|
/*
|
|
* SONY drives do not allow a mode select with a medium_type
|
|
* value that has just been returned by a mode sense; use a
|
|
* medium_type of 0 (Default) instead.
|
|
*/
|
|
data->header.medium_type = 0;
|
|
|
|
error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
|
|
/*sense_flags*/SF_RETRY_UA);
|
|
|
|
xpt_release_ccb(ccb);
|
|
|
|
return(error);
|
|
}
|
|
|
|
|
|
static int
|
|
cdplay(struct cam_periph *periph, u_int32_t blk, u_int32_t len)
|
|
{
|
|
struct ccb_scsiio *csio;
|
|
union ccb *ccb;
|
|
int error;
|
|
u_int8_t cdb_len;
|
|
|
|
error = 0;
|
|
ccb = cdgetccb(periph, /* priority */ 1);
|
|
csio = &ccb->csio;
|
|
/*
|
|
* Use the smallest possible command to perform the operation.
|
|
*/
|
|
if ((len & 0xffff0000) == 0) {
|
|
/*
|
|
* We can fit in a 10 byte cdb.
|
|
*/
|
|
struct scsi_play_10 *scsi_cmd;
|
|
|
|
scsi_cmd = (struct scsi_play_10 *)&csio->cdb_io.cdb_bytes;
|
|
bzero (scsi_cmd, sizeof(*scsi_cmd));
|
|
scsi_cmd->op_code = PLAY_10;
|
|
scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr);
|
|
scsi_ulto2b(len, (u_int8_t *)scsi_cmd->xfer_len);
|
|
cdb_len = sizeof(*scsi_cmd);
|
|
} else {
|
|
struct scsi_play_12 *scsi_cmd;
|
|
|
|
scsi_cmd = (struct scsi_play_12 *)&csio->cdb_io.cdb_bytes;
|
|
bzero (scsi_cmd, sizeof(*scsi_cmd));
|
|
scsi_cmd->op_code = PLAY_12;
|
|
scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr);
|
|
scsi_ulto4b(len, (u_int8_t *)scsi_cmd->xfer_len);
|
|
cdb_len = sizeof(*scsi_cmd);
|
|
}
|
|
cam_fill_csio(csio,
|
|
/*retries*/2,
|
|
cddone,
|
|
/*flags*/CAM_DIR_NONE,
|
|
MSG_SIMPLE_Q_TAG,
|
|
/*dataptr*/NULL,
|
|
/*datalen*/0,
|
|
/*sense_len*/SSD_FULL_SIZE,
|
|
cdb_len,
|
|
/*timeout*/50 * 1000);
|
|
|
|
error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
|
|
/*sense_flags*/SF_RETRY_UA);
|
|
|
|
xpt_release_ccb(ccb);
|
|
|
|
return(error);
|
|
}
|
|
|
|
static int
|
|
cdplaymsf(struct cam_periph *periph, u_int32_t startm, u_int32_t starts,
|
|
u_int32_t startf, u_int32_t endm, u_int32_t ends, u_int32_t endf)
|
|
{
|
|
struct scsi_play_msf *scsi_cmd;
|
|
struct ccb_scsiio *csio;
|
|
union ccb *ccb;
|
|
int error;
|
|
|
|
error = 0;
|
|
|
|
ccb = cdgetccb(periph, /* priority */ 1);
|
|
|
|
csio = &ccb->csio;
|
|
|
|
cam_fill_csio(csio,
|
|
/* retries */ 1,
|
|
/* cbfcnp */ cddone,
|
|
/* flags */ CAM_DIR_NONE,
|
|
/* tag_action */ MSG_SIMPLE_Q_TAG,
|
|
/* data_ptr */ NULL,
|
|
/* dxfer_len */ 0,
|
|
/* sense_len */ SSD_FULL_SIZE,
|
|
sizeof(struct scsi_play_msf),
|
|
/* timeout */ 50000);
|
|
|
|
scsi_cmd = (struct scsi_play_msf *)&csio->cdb_io.cdb_bytes;
|
|
bzero (scsi_cmd, sizeof(*scsi_cmd));
|
|
|
|
scsi_cmd->op_code = PLAY_MSF;
|
|
scsi_cmd->start_m = startm;
|
|
scsi_cmd->start_s = starts;
|
|
scsi_cmd->start_f = startf;
|
|
scsi_cmd->end_m = endm;
|
|
scsi_cmd->end_s = ends;
|
|
scsi_cmd->end_f = endf;
|
|
|
|
error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
|
|
/*sense_flags*/SF_RETRY_UA);
|
|
|
|
xpt_release_ccb(ccb);
|
|
|
|
return(error);
|
|
}
|
|
|
|
|
|
static int
|
|
cdplaytracks(struct cam_periph *periph, u_int32_t strack, u_int32_t sindex,
|
|
u_int32_t etrack, u_int32_t eindex)
|
|
{
|
|
struct scsi_play_track *scsi_cmd;
|
|
struct ccb_scsiio *csio;
|
|
union ccb *ccb;
|
|
int error;
|
|
|
|
error = 0;
|
|
|
|
ccb = cdgetccb(periph, /* priority */ 1);
|
|
|
|
csio = &ccb->csio;
|
|
|
|
cam_fill_csio(csio,
|
|
/* retries */ 1,
|
|
/* cbfcnp */ cddone,
|
|
/* flags */ CAM_DIR_NONE,
|
|
/* tag_action */ MSG_SIMPLE_Q_TAG,
|
|
/* data_ptr */ NULL,
|
|
/* dxfer_len */ 0,
|
|
/* sense_len */ SSD_FULL_SIZE,
|
|
sizeof(struct scsi_play_track),
|
|
/* timeout */ 50000);
|
|
|
|
scsi_cmd = (struct scsi_play_track *)&csio->cdb_io.cdb_bytes;
|
|
bzero (scsi_cmd, sizeof(*scsi_cmd));
|
|
|
|
scsi_cmd->op_code = PLAY_TRACK;
|
|
scsi_cmd->start_track = strack;
|
|
scsi_cmd->start_index = sindex;
|
|
scsi_cmd->end_track = etrack;
|
|
scsi_cmd->end_index = eindex;
|
|
|
|
error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
|
|
/*sense_flags*/SF_RETRY_UA);
|
|
|
|
xpt_release_ccb(ccb);
|
|
|
|
return(error);
|
|
}
|
|
|
|
static int
|
|
cdpause(struct cam_periph *periph, u_int32_t go)
|
|
{
|
|
struct scsi_pause *scsi_cmd;
|
|
struct ccb_scsiio *csio;
|
|
union ccb *ccb;
|
|
int error;
|
|
|
|
error = 0;
|
|
|
|
ccb = cdgetccb(periph, /* priority */ 1);
|
|
|
|
csio = &ccb->csio;
|
|
|
|
cam_fill_csio(csio,
|
|
/* retries */ 1,
|
|
/* cbfcnp */ cddone,
|
|
/* flags */ CAM_DIR_NONE,
|
|
/* tag_action */ MSG_SIMPLE_Q_TAG,
|
|
/* data_ptr */ NULL,
|
|
/* dxfer_len */ 0,
|
|
/* sense_len */ SSD_FULL_SIZE,
|
|
sizeof(struct scsi_pause),
|
|
/* timeout */ 50000);
|
|
|
|
scsi_cmd = (struct scsi_pause *)&csio->cdb_io.cdb_bytes;
|
|
bzero (scsi_cmd, sizeof(*scsi_cmd));
|
|
|
|
scsi_cmd->op_code = PAUSE;
|
|
scsi_cmd->resume = go;
|
|
|
|
error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
|
|
/*sense_flags*/SF_RETRY_UA);
|
|
|
|
xpt_release_ccb(ccb);
|
|
|
|
return(error);
|
|
}
|
|
|
|
static int
|
|
cdstartunit(struct cam_periph *periph)
|
|
{
|
|
union ccb *ccb;
|
|
int error;
|
|
|
|
error = 0;
|
|
|
|
ccb = cdgetccb(periph, /* priority */ 1);
|
|
|
|
scsi_start_stop(&ccb->csio,
|
|
/* retries */ 1,
|
|
/* cbfcnp */ cddone,
|
|
/* tag_action */ MSG_SIMPLE_Q_TAG,
|
|
/* start */ TRUE,
|
|
/* load_eject */ FALSE,
|
|
/* immediate */ FALSE,
|
|
/* sense_len */ SSD_FULL_SIZE,
|
|
/* timeout */ 50000);
|
|
|
|
error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
|
|
/*sense_flags*/SF_RETRY_UA);
|
|
|
|
xpt_release_ccb(ccb);
|
|
|
|
return(error);
|
|
}
|
|
|
|
static int
|
|
cdstopunit(struct cam_periph *periph, u_int32_t eject)
|
|
{
|
|
union ccb *ccb;
|
|
int error;
|
|
|
|
error = 0;
|
|
|
|
ccb = cdgetccb(periph, /* priority */ 1);
|
|
|
|
scsi_start_stop(&ccb->csio,
|
|
/* retries */ 1,
|
|
/* cbfcnp */ cddone,
|
|
/* tag_action */ MSG_SIMPLE_Q_TAG,
|
|
/* start */ FALSE,
|
|
/* load_eject */ eject,
|
|
/* immediate */ FALSE,
|
|
/* sense_len */ SSD_FULL_SIZE,
|
|
/* timeout */ 50000);
|
|
|
|
error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
|
|
/*sense_flags*/SF_RETRY_UA);
|
|
|
|
xpt_release_ccb(ccb);
|
|
|
|
return(error);
|
|
}
|
|
|
|
static int
|
|
cdreportkey(struct cam_periph *periph, struct dvd_authinfo *authinfo)
|
|
{
|
|
union ccb *ccb;
|
|
u_int8_t *databuf;
|
|
u_int32_t lba;
|
|
int error;
|
|
int length;
|
|
|
|
error = 0;
|
|
databuf = NULL;
|
|
lba = 0;
|
|
|
|
ccb = cdgetccb(periph, /* priority */ 1);
|
|
|
|
switch (authinfo->format) {
|
|
case DVD_REPORT_AGID:
|
|
length = sizeof(struct scsi_report_key_data_agid);
|
|
break;
|
|
case DVD_REPORT_CHALLENGE:
|
|
length = sizeof(struct scsi_report_key_data_challenge);
|
|
break;
|
|
case DVD_REPORT_KEY1:
|
|
length = sizeof(struct scsi_report_key_data_key1_key2);
|
|
break;
|
|
case DVD_REPORT_TITLE_KEY:
|
|
length = sizeof(struct scsi_report_key_data_title);
|
|
/* The lba field is only set for the title key */
|
|
lba = authinfo->lba;
|
|
break;
|
|
case DVD_REPORT_ASF:
|
|
length = sizeof(struct scsi_report_key_data_asf);
|
|
break;
|
|
case DVD_REPORT_RPC:
|
|
length = sizeof(struct scsi_report_key_data_rpc);
|
|
break;
|
|
case DVD_INVALIDATE_AGID:
|
|
length = 0;
|
|
break;
|
|
default:
|
|
error = EINVAL;
|
|
goto bailout;
|
|
break; /* NOTREACHED */
|
|
}
|
|
|
|
if (length != 0) {
|
|
databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO);
|
|
} else
|
|
databuf = NULL;
|
|
|
|
|
|
scsi_report_key(&ccb->csio,
|
|
/* retries */ 1,
|
|
/* cbfcnp */ cddone,
|
|
/* tag_action */ MSG_SIMPLE_Q_TAG,
|
|
/* lba */ lba,
|
|
/* agid */ authinfo->agid,
|
|
/* key_format */ authinfo->format,
|
|
/* data_ptr */ databuf,
|
|
/* dxfer_len */ length,
|
|
/* sense_len */ SSD_FULL_SIZE,
|
|
/* timeout */ 50000);
|
|
|
|
error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
|
|
/*sense_flags*/SF_RETRY_UA);
|
|
|
|
if (error != 0)
|
|
goto bailout;
|
|
|
|
if (ccb->csio.resid != 0) {
|
|
xpt_print_path(periph->path);
|
|
printf("warning, residual for report key command is %d\n",
|
|
ccb->csio.resid);
|
|
}
|
|
|
|
switch(authinfo->format) {
|
|
case DVD_REPORT_AGID: {
|
|
struct scsi_report_key_data_agid *agid_data;
|
|
|
|
agid_data = (struct scsi_report_key_data_agid *)databuf;
|
|
|
|
authinfo->agid = (agid_data->agid & RKD_AGID_MASK) >>
|
|
RKD_AGID_SHIFT;
|
|
break;
|
|
}
|
|
case DVD_REPORT_CHALLENGE: {
|
|
struct scsi_report_key_data_challenge *chal_data;
|
|
|
|
chal_data = (struct scsi_report_key_data_challenge *)databuf;
|
|
|
|
bcopy(chal_data->challenge_key, authinfo->keychal,
|
|
min(sizeof(chal_data->challenge_key),
|
|
sizeof(authinfo->keychal)));
|
|
break;
|
|
}
|
|
case DVD_REPORT_KEY1: {
|
|
struct scsi_report_key_data_key1_key2 *key1_data;
|
|
|
|
key1_data = (struct scsi_report_key_data_key1_key2 *)databuf;
|
|
|
|
bcopy(key1_data->key1, authinfo->keychal,
|
|
min(sizeof(key1_data->key1), sizeof(authinfo->keychal)));
|
|
break;
|
|
}
|
|
case DVD_REPORT_TITLE_KEY: {
|
|
struct scsi_report_key_data_title *title_data;
|
|
|
|
title_data = (struct scsi_report_key_data_title *)databuf;
|
|
|
|
authinfo->cpm = (title_data->byte0 & RKD_TITLE_CPM) >>
|
|
RKD_TITLE_CPM_SHIFT;
|
|
authinfo->cp_sec = (title_data->byte0 & RKD_TITLE_CP_SEC) >>
|
|
RKD_TITLE_CP_SEC_SHIFT;
|
|
authinfo->cgms = (title_data->byte0 & RKD_TITLE_CMGS_MASK) >>
|
|
RKD_TITLE_CMGS_SHIFT;
|
|
bcopy(title_data->title_key, authinfo->keychal,
|
|
min(sizeof(title_data->title_key),
|
|
sizeof(authinfo->keychal)));
|
|
break;
|
|
}
|
|
case DVD_REPORT_ASF: {
|
|
struct scsi_report_key_data_asf *asf_data;
|
|
|
|
asf_data = (struct scsi_report_key_data_asf *)databuf;
|
|
|
|
authinfo->asf = asf_data->success & RKD_ASF_SUCCESS;
|
|
break;
|
|
}
|
|
case DVD_REPORT_RPC: {
|
|
struct scsi_report_key_data_rpc *rpc_data;
|
|
|
|
rpc_data = (struct scsi_report_key_data_rpc *)databuf;
|
|
|
|
authinfo->reg_type = (rpc_data->byte4 & RKD_RPC_TYPE_MASK) >>
|
|
RKD_RPC_TYPE_SHIFT;
|
|
authinfo->vend_rsts =
|
|
(rpc_data->byte4 & RKD_RPC_VENDOR_RESET_MASK) >>
|
|
RKD_RPC_VENDOR_RESET_SHIFT;
|
|
authinfo->user_rsts = rpc_data->byte4 & RKD_RPC_USER_RESET_MASK;
|
|
authinfo->region = rpc_data->region_mask;
|
|
authinfo->rpc_scheme = rpc_data->rpc_scheme1;
|
|
break;
|
|
}
|
|
case DVD_INVALIDATE_AGID:
|
|
break;
|
|
default:
|
|
/* This should be impossible, since we checked above */
|
|
error = EINVAL;
|
|
goto bailout;
|
|
break; /* NOTREACHED */
|
|
}
|
|
bailout:
|
|
if (databuf != NULL)
|
|
free(databuf, M_DEVBUF);
|
|
|
|
xpt_release_ccb(ccb);
|
|
|
|
return(error);
|
|
}
|
|
|
|
static int
|
|
cdsendkey(struct cam_periph *periph, struct dvd_authinfo *authinfo)
|
|
{
|
|
union ccb *ccb;
|
|
u_int8_t *databuf;
|
|
int length;
|
|
int error;
|
|
|
|
error = 0;
|
|
databuf = NULL;
|
|
|
|
ccb = cdgetccb(periph, /* priority */ 1);
|
|
|
|
switch(authinfo->format) {
|
|
case DVD_SEND_CHALLENGE: {
|
|
struct scsi_report_key_data_challenge *challenge_data;
|
|
|
|
length = sizeof(*challenge_data);
|
|
|
|
challenge_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO);
|
|
|
|
databuf = (u_int8_t *)challenge_data;
|
|
|
|
scsi_ulto2b(length - sizeof(challenge_data->data_len),
|
|
challenge_data->data_len);
|
|
|
|
bcopy(authinfo->keychal, challenge_data->challenge_key,
|
|
min(sizeof(authinfo->keychal),
|
|
sizeof(challenge_data->challenge_key)));
|
|
break;
|
|
}
|
|
case DVD_SEND_KEY2: {
|
|
struct scsi_report_key_data_key1_key2 *key2_data;
|
|
|
|
length = sizeof(*key2_data);
|
|
|
|
key2_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO);
|
|
|
|
databuf = (u_int8_t *)key2_data;
|
|
|
|
scsi_ulto2b(length - sizeof(key2_data->data_len),
|
|
key2_data->data_len);
|
|
|
|
bcopy(authinfo->keychal, key2_data->key1,
|
|
min(sizeof(authinfo->keychal), sizeof(key2_data->key1)));
|
|
|
|
break;
|
|
}
|
|
case DVD_SEND_RPC: {
|
|
struct scsi_send_key_data_rpc *rpc_data;
|
|
|
|
length = sizeof(*rpc_data);
|
|
|
|
rpc_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO);
|
|
|
|
databuf = (u_int8_t *)rpc_data;
|
|
|
|
scsi_ulto2b(length - sizeof(rpc_data->data_len),
|
|
rpc_data->data_len);
|
|
|
|
rpc_data->region_code = authinfo->region;
|
|
break;
|
|
}
|
|
default:
|
|
error = EINVAL;
|
|
goto bailout;
|
|
break; /* NOTREACHED */
|
|
}
|
|
|
|
scsi_send_key(&ccb->csio,
|
|
/* retries */ 1,
|
|
/* cbfcnp */ cddone,
|
|
/* tag_action */ MSG_SIMPLE_Q_TAG,
|
|
/* agid */ authinfo->agid,
|
|
/* key_format */ authinfo->format,
|
|
/* data_ptr */ databuf,
|
|
/* dxfer_len */ length,
|
|
/* sense_len */ SSD_FULL_SIZE,
|
|
/* timeout */ 50000);
|
|
|
|
error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
|
|
/*sense_flags*/SF_RETRY_UA);
|
|
|
|
bailout:
|
|
|
|
if (databuf != NULL)
|
|
free(databuf, M_DEVBUF);
|
|
|
|
xpt_release_ccb(ccb);
|
|
|
|
return(error);
|
|
}
|
|
|
|
static int
|
|
cdreaddvdstructure(struct cam_periph *periph, struct dvd_struct *dvdstruct)
|
|
{
|
|
union ccb *ccb;
|
|
u_int8_t *databuf;
|
|
u_int32_t address;
|
|
int error;
|
|
int length;
|
|
|
|
error = 0;
|
|
databuf = NULL;
|
|
/* The address is reserved for many of the formats */
|
|
address = 0;
|
|
|
|
ccb = cdgetccb(periph, /* priority */ 1);
|
|
|
|
switch(dvdstruct->format) {
|
|
case DVD_STRUCT_PHYSICAL:
|
|
length = sizeof(struct scsi_read_dvd_struct_data_physical);
|
|
break;
|
|
case DVD_STRUCT_COPYRIGHT:
|
|
length = sizeof(struct scsi_read_dvd_struct_data_copyright);
|
|
break;
|
|
case DVD_STRUCT_DISCKEY:
|
|
length = sizeof(struct scsi_read_dvd_struct_data_disc_key);
|
|
break;
|
|
case DVD_STRUCT_BCA:
|
|
length = sizeof(struct scsi_read_dvd_struct_data_bca);
|
|
break;
|
|
case DVD_STRUCT_MANUFACT:
|
|
length = sizeof(struct scsi_read_dvd_struct_data_manufacturer);
|
|
break;
|
|
case DVD_STRUCT_CMI:
|
|
error = ENODEV;
|
|
goto bailout;
|
|
#ifdef notyet
|
|
length = sizeof(struct scsi_read_dvd_struct_data_copy_manage);
|
|
address = dvdstruct->address;
|
|
#endif
|
|
break; /* NOTREACHED */
|
|
case DVD_STRUCT_PROTDISCID:
|
|
length = sizeof(struct scsi_read_dvd_struct_data_prot_discid);
|
|
break;
|
|
case DVD_STRUCT_DISCKEYBLOCK:
|
|
length = sizeof(struct scsi_read_dvd_struct_data_disc_key_blk);
|
|
break;
|
|
case DVD_STRUCT_DDS:
|
|
length = sizeof(struct scsi_read_dvd_struct_data_dds);
|
|
break;
|
|
case DVD_STRUCT_MEDIUM_STAT:
|
|
length = sizeof(struct scsi_read_dvd_struct_data_medium_status);
|
|
break;
|
|
case DVD_STRUCT_SPARE_AREA:
|
|
length = sizeof(struct scsi_read_dvd_struct_data_spare_area);
|
|
break;
|
|
case DVD_STRUCT_RMD_LAST:
|
|
error = ENODEV;
|
|
goto bailout;
|
|
#ifdef notyet
|
|
length = sizeof(struct scsi_read_dvd_struct_data_rmd_borderout);
|
|
address = dvdstruct->address;
|
|
#endif
|
|
break; /* NOTREACHED */
|
|
case DVD_STRUCT_RMD_RMA:
|
|
error = ENODEV;
|
|
goto bailout;
|
|
#ifdef notyet
|
|
length = sizeof(struct scsi_read_dvd_struct_data_rmd);
|
|
address = dvdstruct->address;
|
|
#endif
|
|
break; /* NOTREACHED */
|
|
case DVD_STRUCT_PRERECORDED:
|
|
length = sizeof(struct scsi_read_dvd_struct_data_leadin);
|
|
break;
|
|
case DVD_STRUCT_UNIQUEID:
|
|
length = sizeof(struct scsi_read_dvd_struct_data_disc_id);
|
|
break;
|
|
case DVD_STRUCT_DCB:
|
|
error = ENODEV;
|
|
goto bailout;
|
|
#ifdef notyet
|
|
length = sizeof(struct scsi_read_dvd_struct_data_dcb);
|
|
address = dvdstruct->address;
|
|
#endif
|
|
break; /* NOTREACHED */
|
|
case DVD_STRUCT_LIST:
|
|
/*
|
|
* This is the maximum allocation length for the READ DVD
|
|
* STRUCTURE command. There's nothing in the MMC3 spec
|
|
* that indicates a limit in the amount of data that can
|
|
* be returned from this call, other than the limits
|
|
* imposed by the 2-byte length variables.
|
|
*/
|
|
length = 65535;
|
|
break;
|
|
default:
|
|
error = EINVAL;
|
|
goto bailout;
|
|
break; /* NOTREACHED */
|
|
}
|
|
|
|
if (length != 0) {
|
|
databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO);
|
|
} else
|
|
databuf = NULL;
|
|
|
|
scsi_read_dvd_structure(&ccb->csio,
|
|
/* retries */ 1,
|
|
/* cbfcnp */ cddone,
|
|
/* tag_action */ MSG_SIMPLE_Q_TAG,
|
|
/* lba */ address,
|
|
/* layer_number */ dvdstruct->layer_num,
|
|
/* key_format */ dvdstruct->format,
|
|
/* agid */ dvdstruct->agid,
|
|
/* data_ptr */ databuf,
|
|
/* dxfer_len */ length,
|
|
/* sense_len */ SSD_FULL_SIZE,
|
|
/* timeout */ 50000);
|
|
|
|
error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
|
|
/*sense_flags*/SF_RETRY_UA);
|
|
|
|
if (error != 0)
|
|
goto bailout;
|
|
|
|
switch(dvdstruct->format) {
|
|
case DVD_STRUCT_PHYSICAL: {
|
|
struct scsi_read_dvd_struct_data_layer_desc *inlayer;
|
|
struct dvd_layer *outlayer;
|
|
struct scsi_read_dvd_struct_data_physical *phys_data;
|
|
|
|
phys_data =
|
|
(struct scsi_read_dvd_struct_data_physical *)databuf;
|
|
inlayer = &phys_data->layer_desc;
|
|
outlayer = (struct dvd_layer *)&dvdstruct->data;
|
|
|
|
dvdstruct->length = sizeof(*inlayer);
|
|
|
|
outlayer->book_type = (inlayer->book_type_version &
|
|
RDSD_BOOK_TYPE_MASK) >> RDSD_BOOK_TYPE_SHIFT;
|
|
outlayer->book_version = (inlayer->book_type_version &
|
|
RDSD_BOOK_VERSION_MASK);
|
|
outlayer->disc_size = (inlayer->disc_size_max_rate &
|
|
RDSD_DISC_SIZE_MASK) >> RDSD_DISC_SIZE_SHIFT;
|
|
outlayer->max_rate = (inlayer->disc_size_max_rate &
|
|
RDSD_MAX_RATE_MASK);
|
|
outlayer->nlayers = (inlayer->layer_info &
|
|
RDSD_NUM_LAYERS_MASK) >> RDSD_NUM_LAYERS_SHIFT;
|
|
outlayer->track_path = (inlayer->layer_info &
|
|
RDSD_TRACK_PATH_MASK) >> RDSD_TRACK_PATH_SHIFT;
|
|
outlayer->layer_type = (inlayer->layer_info &
|
|
RDSD_LAYER_TYPE_MASK);
|
|
outlayer->linear_density = (inlayer->density &
|
|
RDSD_LIN_DENSITY_MASK) >> RDSD_LIN_DENSITY_SHIFT;
|
|
outlayer->track_density = (inlayer->density &
|
|
RDSD_TRACK_DENSITY_MASK);
|
|
outlayer->bca = (inlayer->bca & RDSD_BCA_MASK) >>
|
|
RDSD_BCA_SHIFT;
|
|
outlayer->start_sector = scsi_3btoul(inlayer->main_data_start);
|
|
outlayer->end_sector = scsi_3btoul(inlayer->main_data_end);
|
|
outlayer->end_sector_l0 =
|
|
scsi_3btoul(inlayer->end_sector_layer0);
|
|
break;
|
|
}
|
|
case DVD_STRUCT_COPYRIGHT: {
|
|
struct scsi_read_dvd_struct_data_copyright *copy_data;
|
|
|
|
copy_data = (struct scsi_read_dvd_struct_data_copyright *)
|
|
databuf;
|
|
|
|
dvdstruct->cpst = copy_data->cps_type;
|
|
dvdstruct->rmi = copy_data->region_info;
|
|
dvdstruct->length = 0;
|
|
|
|
break;
|
|
}
|
|
default:
|
|
/*
|
|
* Tell the user what the overall length is, no matter
|
|
* what we can actually fit in the data buffer.
|
|
*/
|
|
dvdstruct->length = length - ccb->csio.resid -
|
|
sizeof(struct scsi_read_dvd_struct_data_header);
|
|
|
|
/*
|
|
* But only actually copy out the smaller of what we read
|
|
* in or what the structure can take.
|
|
*/
|
|
bcopy(databuf + sizeof(struct scsi_read_dvd_struct_data_header),
|
|
dvdstruct->data,
|
|
min(sizeof(dvdstruct->data), dvdstruct->length));
|
|
break;
|
|
}
|
|
bailout:
|
|
|
|
if (databuf != NULL)
|
|
free(databuf, M_DEVBUF);
|
|
|
|
xpt_release_ccb(ccb);
|
|
|
|
return(error);
|
|
}
|
|
|
|
void
|
|
scsi_report_key(struct ccb_scsiio *csio, u_int32_t retries,
|
|
void (*cbfcnp)(struct cam_periph *, union ccb *),
|
|
u_int8_t tag_action, u_int32_t lba, u_int8_t agid,
|
|
u_int8_t key_format, u_int8_t *data_ptr, u_int32_t dxfer_len,
|
|
u_int8_t sense_len, u_int32_t timeout)
|
|
{
|
|
struct scsi_report_key *scsi_cmd;
|
|
|
|
scsi_cmd = (struct scsi_report_key *)&csio->cdb_io.cdb_bytes;
|
|
bzero(scsi_cmd, sizeof(*scsi_cmd));
|
|
scsi_cmd->opcode = REPORT_KEY;
|
|
scsi_ulto4b(lba, scsi_cmd->lba);
|
|
scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len);
|
|
scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) |
|
|
(key_format & RK_KF_KEYFORMAT_MASK);
|
|
|
|
cam_fill_csio(csio,
|
|
retries,
|
|
cbfcnp,
|
|
/*flags*/ (dxfer_len == 0) ? CAM_DIR_NONE : CAM_DIR_IN,
|
|
tag_action,
|
|
/*data_ptr*/ data_ptr,
|
|
/*dxfer_len*/ dxfer_len,
|
|
sense_len,
|
|
sizeof(*scsi_cmd),
|
|
timeout);
|
|
}
|
|
|
|
void
|
|
scsi_send_key(struct ccb_scsiio *csio, u_int32_t retries,
|
|
void (*cbfcnp)(struct cam_periph *, union ccb *),
|
|
u_int8_t tag_action, u_int8_t agid, u_int8_t key_format,
|
|
u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len,
|
|
u_int32_t timeout)
|
|
{
|
|
struct scsi_send_key *scsi_cmd;
|
|
|
|
scsi_cmd = (struct scsi_send_key *)&csio->cdb_io.cdb_bytes;
|
|
bzero(scsi_cmd, sizeof(*scsi_cmd));
|
|
scsi_cmd->opcode = SEND_KEY;
|
|
|
|
scsi_ulto2b(dxfer_len, scsi_cmd->param_len);
|
|
scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) |
|
|
(key_format & RK_KF_KEYFORMAT_MASK);
|
|
|
|
cam_fill_csio(csio,
|
|
retries,
|
|
cbfcnp,
|
|
/*flags*/ CAM_DIR_OUT,
|
|
tag_action,
|
|
/*data_ptr*/ data_ptr,
|
|
/*dxfer_len*/ dxfer_len,
|
|
sense_len,
|
|
sizeof(*scsi_cmd),
|
|
timeout);
|
|
}
|
|
|
|
|
|
void
|
|
scsi_read_dvd_structure(struct ccb_scsiio *csio, u_int32_t retries,
|
|
void (*cbfcnp)(struct cam_periph *, union ccb *),
|
|
u_int8_t tag_action, u_int32_t address,
|
|
u_int8_t layer_number, u_int8_t format, u_int8_t agid,
|
|
u_int8_t *data_ptr, u_int32_t dxfer_len,
|
|
u_int8_t sense_len, u_int32_t timeout)
|
|
{
|
|
struct scsi_read_dvd_structure *scsi_cmd;
|
|
|
|
scsi_cmd = (struct scsi_read_dvd_structure *)&csio->cdb_io.cdb_bytes;
|
|
bzero(scsi_cmd, sizeof(*scsi_cmd));
|
|
scsi_cmd->opcode = READ_DVD_STRUCTURE;
|
|
|
|
scsi_ulto4b(address, scsi_cmd->address);
|
|
scsi_cmd->layer_number = layer_number;
|
|
scsi_cmd->format = format;
|
|
scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len);
|
|
/* The AGID is the top two bits of this byte */
|
|
scsi_cmd->agid = agid << 6;
|
|
|
|
cam_fill_csio(csio,
|
|
retries,
|
|
cbfcnp,
|
|
/*flags*/ CAM_DIR_IN,
|
|
tag_action,
|
|
/*data_ptr*/ data_ptr,
|
|
/*dxfer_len*/ dxfer_len,
|
|
sense_len,
|
|
sizeof(*scsi_cmd),
|
|
timeout);
|
|
}
|