050279e55a
flags on some of the operations in the driver weren't quite right. Also, clean up scsi_cd.h, change u_char to u_int8_t. I'm surprised this problem didn't show up sooner. (the code has been in there almost a year and a half) PR: 7996 Reviewed by: ken Submitted (mostly) by: gibbs
3037 lines
78 KiB
C
3037 lines
78 KiB
C
/*
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* Copyright (c) 1997 Justin T. Gibbs.
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* Copyright (c) 1997, 1998 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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* $Id: scsi_cd.c,v 1.2 1998/09/20 07:17:11 gibbs Exp $
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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 <sys/param.h>
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#include <sys/queue.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/types.h>
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#include <sys/buf.h>
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#include <sys/dkbad.h>
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#include <sys/disklabel.h>
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#include <sys/diskslice.h>
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#include <sys/malloc.h>
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|
#include <sys/fcntl.h>
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#include <sys/stat.h>
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#include <sys/conf.h>
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#include <sys/buf.h>
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#include <sys/cdio.h>
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#include <sys/errno.h>
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#include <sys/devicestat.h>
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#include <sys/sysctl.h>
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|
|
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#include <cam/cam.h>
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#include <cam/cam_ccb.h>
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#include <cam/cam_extend.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/cam_debug.h>
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|
|
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#include <cam/scsi/scsi_all.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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#include "opt_cd.h"
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|
|
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#define ESUCCESS 0
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|
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#define CDUNIT(DEV) ((minor(DEV)&0xF8) >> 3) /* 5 bit unit */
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#define CDSETUNIT(DEV, U) makedev(major(DEV), ((U) << 3))
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#define PARTITION(z) (minor(z) & 0x07)
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#define RAW_PART 2
|
|
#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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|
|
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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_OPEN = 0x020,
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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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|
|
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struct cd_softc {
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cam_pinfo pinfo;
|
|
cd_state state;
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|
cd_flags flags;
|
|
struct buf_queue_head buf_queue;
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LIST_HEAD(, ccb_hdr) pending_ccbs;
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struct cd_params params;
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struct disklabel disklabel;
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|
struct diskslices *cd_slices;
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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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|
#ifdef DEVFS
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void *ra_devfs_token;
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|
void *rc_devfs_token;
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|
void *a_devfs_token;
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|
void *c_devfs_token;
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|
void *ctl_devfs_token;
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#endif
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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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/*
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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-604X",
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"*"}, /* quirks */ CD_Q_CHANGER
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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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#define CD_BDEV_MAJOR 6
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static d_open_t cdopen;
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static d_read_t cdread;
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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 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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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 cdgetdisklabel (dev_t dev);
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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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|
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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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DATA_SET(periphdriver_set, cddriver);
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|
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/* For 2.2-stable support */
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#ifndef D_DISK
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#define D_DISK 0
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#endif
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static struct cdevsw cd_cdevsw =
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{
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/*d_open*/ cdopen,
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/*d_close*/ cdclose,
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/*d_read*/ cdread,
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/*d_write*/ nowrite,
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/*d_ioctl*/ cdioctl,
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/*d_stop*/ nostop,
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/*d_reset*/ noreset,
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/*d_devtotty*/ nodevtotty,
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/*d_poll*/ seltrue,
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/*d_mmap*/ nommap,
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/*d_strategy*/ cdstrategy,
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/*d_name*/ "cd",
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/*d_spare*/ NULL,
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/*d_maj*/ -1,
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/*d_dump*/ nodump,
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/*d_psize*/ nopsize,
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/*d_flags*/ D_DISK,
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/*d_maxio*/ 0,
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/*b_maj*/ -1
|
|
};
|
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|
|
static struct extend_array *cdperiphs;
|
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static int num_changers;
|
|
|
|
#ifndef CHANGER_MIN_BUSY_SECONDS
|
|
#define CHANGER_MIN_BUSY_SECONDS 2
|
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#endif
|
|
#ifndef CHANGER_MAX_BUSY_SECONDS
|
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#define CHANGER_MAX_BUSY_SECONDS 10
|
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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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|
|
/*
|
|
* XXX KDM this CAM node should be moved if we ever get more CAM sysctl
|
|
* variables.
|
|
*/
|
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SYSCTL_NODE(_kern, OID_AUTO, cam, CTLFLAG_RD, 0, "CAM Subsystem");
|
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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");
|
|
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");
|
|
|
|
struct cdchanger {
|
|
path_id_t path_id;
|
|
target_id_t target_id;
|
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int num_devices;
|
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struct camq devq;
|
|
struct timeval start_time;
|
|
struct cd_softc *cur_device;
|
|
struct callout_handle short_handle;
|
|
struct callout_handle long_handle;
|
|
cd_changer_flags flags;
|
|
STAILQ_ENTRY(cdchanger) changer_links;
|
|
STAILQ_HEAD(chdevlist, cd_softc) chluns;
|
|
};
|
|
|
|
STAILQ_HEAD(changerlist, cdchanger) changerq;
|
|
|
|
void
|
|
cdinit(void)
|
|
{
|
|
cam_status status;
|
|
struct cam_path *path;
|
|
|
|
/*
|
|
* Create our extend array for storing the devices we attach to.
|
|
*/
|
|
cdperiphs = cam_extend_new();
|
|
if (cdperiphs == NULL) {
|
|
printf("cd: Failed to alloc extend array!\n");
|
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return;
|
|
}
|
|
|
|
/*
|
|
* Install a global async callback. This callback will
|
|
* receive async callbacks like "new device found".
|
|
*/
|
|
status = xpt_create_path(&path, /*periph*/NULL, CAM_XPT_PATH_ID,
|
|
CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD);
|
|
|
|
if (status == CAM_REQ_CMP) {
|
|
struct ccb_setasync csa;
|
|
|
|
xpt_setup_ccb(&csa.ccb_h, path, /*priority*/5);
|
|
csa.ccb_h.func_code = XPT_SASYNC_CB;
|
|
csa.event_enable = AC_FOUND_DEVICE;
|
|
csa.callback = cdasync;
|
|
csa.callback_arg = NULL;
|
|
xpt_action((union ccb *)&csa);
|
|
status = csa.ccb_h.status;
|
|
xpt_free_path(path);
|
|
}
|
|
|
|
if (status != CAM_REQ_CMP) {
|
|
printf("cd: Failed to attach master async callback "
|
|
"due to status 0x%x!\n", status);
|
|
} else {
|
|
/* If we were successfull, register our devsw */
|
|
cdevsw_add_generic(CD_BDEV_MAJOR, CD_CDEV_MAJOR, &cd_cdevsw);
|
|
}
|
|
}
|
|
|
|
static void
|
|
cdcleanup(struct cam_periph *periph)
|
|
{
|
|
struct cd_softc *softc;
|
|
|
|
softc = (struct cd_softc *)periph->softc;
|
|
|
|
xpt_print_path(periph->path);
|
|
printf("removing device entry\n");
|
|
/*
|
|
* In the queued, non-active case, the device in question
|
|
* has already been removed from the changer run queue. Since this
|
|
* device is active, we need to de-activate it, and schedule
|
|
* another device to run. (if there is another one to run)
|
|
*/
|
|
if ((softc->flags & CD_FLAG_CHANGER)
|
|
&& (softc->flags & CD_FLAG_ACTIVE)) {
|
|
|
|
/*
|
|
* The purpose of the short timeout is soley to determine
|
|
* whether the current device has finished or not. Well,
|
|
* since we're removing the active device, we know that it
|
|
* is finished. So, get rid of the short timeout.
|
|
* Otherwise, if we're in the time period before the short
|
|
* timeout fires, and there are no other devices in the
|
|
* queue to run, there won't be any other device put in the
|
|
* active slot. i.e., when we call cdrunchangerqueue()
|
|
* below, it won't do anything. Then, when the short
|
|
* timeout fires, it'll look at the "current device", which
|
|
* we are free below, and possibly panic the kernel on a
|
|
* bogus pointer reference.
|
|
*
|
|
* The long timeout doesn't really matter, since we
|
|
* decrement the qfrozen_cnt to indicate that there is
|
|
* nothing in the active slot now. Therefore, there won't
|
|
* be any bogus pointer references there.
|
|
*/
|
|
if (softc->changer->flags & CHANGER_SHORT_TMOUT_SCHED) {
|
|
untimeout(cdshorttimeout, softc->changer,
|
|
softc->changer->short_handle);
|
|
softc->changer->flags &= ~CHANGER_SHORT_TMOUT_SCHED;
|
|
}
|
|
softc->changer->devq.qfrozen_cnt--;
|
|
softc->changer->flags |= CHANGER_MANUAL_CALL;
|
|
cdrunchangerqueue(softc->changer);
|
|
}
|
|
|
|
/*
|
|
* If we're removing the last device on the changer, go ahead and
|
|
* remove the changer device structure.
|
|
*/
|
|
if ((softc->flags & CD_FLAG_CHANGER)
|
|
&& (--softc->changer->num_devices == 0)) {
|
|
|
|
/*
|
|
* Theoretically, there shouldn't be any timeouts left, but
|
|
* I'm not completely sure that that will be the case. So,
|
|
* it won't hurt to check and see if there are any left.
|
|
*/
|
|
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--;
|
|
}
|
|
cam_extend_release(cdperiphs, periph->unit_number);
|
|
free(periph->softc, M_DEVBUF);
|
|
}
|
|
|
|
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->pd_type != T_CDROM) && (cgd->pd_type != T_WORM))
|
|
break;
|
|
|
|
/*
|
|
* Allocate a peripheral instance for
|
|
* this device and start the probe
|
|
* process.
|
|
*/
|
|
status = cam_periph_alloc(cdregister, 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_LOST_DEVICE:
|
|
{
|
|
int s;
|
|
struct cd_softc *softc;
|
|
struct buf *q_bp;
|
|
struct ccb_setasync csa;
|
|
|
|
softc = (struct cd_softc *)periph->softc;
|
|
|
|
/*
|
|
* Insure that no other async callbacks that
|
|
* might affect this peripheral can come through.
|
|
*/
|
|
s = splcam();
|
|
|
|
/*
|
|
* De-register any async callbacks.
|
|
*/
|
|
xpt_setup_ccb(&csa.ccb_h, periph->path,
|
|
/* priority */ 5);
|
|
csa.ccb_h.func_code = XPT_SASYNC_CB;
|
|
csa.event_enable = 0;
|
|
csa.callback = cdasync;
|
|
csa.callback_arg = periph;
|
|
xpt_action((union ccb *)&csa);
|
|
|
|
softc->flags |= CD_FLAG_INVALID;
|
|
|
|
/*
|
|
* Return all queued I/O with ENXIO.
|
|
* XXX Handle any transactions queued to the card
|
|
* with XPT_ABORT_CCB.
|
|
*/
|
|
while ((q_bp = bufq_first(&softc->buf_queue)) != NULL){
|
|
bufq_remove(&softc->buf_queue, q_bp);
|
|
q_bp->b_resid = q_bp->b_bcount;
|
|
q_bp->b_error = ENXIO;
|
|
q_bp->b_flags |= B_ERROR;
|
|
biodone(q_bp);
|
|
}
|
|
|
|
/*
|
|
* If this device is part of a changer, and it was scheduled
|
|
* to run, remove it from the run queue since we just nuked
|
|
* all of its scheduled I/O.
|
|
*/
|
|
if ((softc->flags & CD_FLAG_CHANGER)
|
|
&& (softc->pinfo.index != CAM_UNQUEUED_INDEX))
|
|
camq_remove(&softc->changer->devq, softc->pinfo.index);
|
|
|
|
devstat_remove_entry(&softc->device_stats);
|
|
|
|
xpt_print_path(periph->path);
|
|
printf("lost device\n");
|
|
|
|
splx(s);
|
|
|
|
cam_periph_invalidate(periph);
|
|
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;
|
|
for (ccbh = LIST_FIRST(&softc->pending_ccbs);
|
|
ccbh != NULL; ccbh = LIST_NEXT(ccbh, periph_links.le))
|
|
ccbh->ccb_state |= CD_CCB_RETRY_UA;
|
|
splx(s);
|
|
break;
|
|
}
|
|
case AC_TRANSFER_NEG:
|
|
case AC_SCSI_AEN:
|
|
case AC_UNSOL_RESEL:
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
static cam_status
|
|
cdregister(struct cam_periph *periph, void *arg)
|
|
{
|
|
int s;
|
|
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;
|
|
bufq_init(&softc->buf_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;
|
|
|
|
cam_extend_set(cdperiphs, periph->unit_number, 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
|
|
* cgd->pd_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);
|
|
|
|
/*
|
|
* 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);
|
|
}
|
|
} 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);
|
|
} 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 proc *p)
|
|
{
|
|
struct cam_periph *periph;
|
|
struct cd_softc *softc;
|
|
u_int32_t size;
|
|
int unit, error;
|
|
|
|
error = 0; /* default to no error */
|
|
|
|
unit = dkunit(dev);
|
|
periph = cam_extend_get(cdperiphs, unit);
|
|
|
|
if (periph == NULL)
|
|
return (ENXIO);
|
|
|
|
softc = (struct cd_softc *)periph->softc;
|
|
|
|
if (softc->flags & CD_FLAG_INVALID)
|
|
return(ENXIO);
|
|
|
|
if ((error = cam_periph_lock(periph, PRIBIO | PCATCH)) != 0)
|
|
return (error);
|
|
|
|
if ((softc->flags & CD_FLAG_OPEN) == 0) {
|
|
if (cam_periph_acquire(periph) != CAM_REQ_CMP)
|
|
return(ENXIO);
|
|
softc->flags |= CD_FLAG_OPEN;
|
|
}
|
|
|
|
/* lock the cd */
|
|
cdprevent(periph, PR_PREVENT);
|
|
|
|
/* find out the size */
|
|
if ((error = cdsize(dev, &size)) != 0) {
|
|
cdprevent(periph, PR_ALLOW);
|
|
softc->flags &= ~CD_FLAG_OPEN;
|
|
cam_periph_unlock(periph);
|
|
cam_periph_release(periph);
|
|
return(error);
|
|
}
|
|
|
|
/* get a disklabel */
|
|
if ((error = cdgetdisklabel(dev)) != 0) {
|
|
printf("error getting disklabel\n");
|
|
cdprevent(periph, PR_ALLOW);
|
|
softc->flags &= ~CD_FLAG_OPEN;
|
|
cam_periph_unlock(periph);
|
|
cam_periph_release(periph);
|
|
return(error);
|
|
}
|
|
|
|
if (error == 0) {
|
|
/* Initialize slice tables. */
|
|
error = dsopen("cd", dev, fmt, DSO_NOLABELS | DSO_ONESLICE,
|
|
&softc->cd_slices, &softc->disklabel,
|
|
cdstrategy, (ds_setgeom_t *)NULL, &cd_cdevsw);
|
|
|
|
/*
|
|
* 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.
|
|
*/
|
|
if ((softc->device_stats.flags & DEVSTAT_BS_UNAVAILABLE) != 0)
|
|
softc->device_stats.flags &= ~DEVSTAT_BS_UNAVAILABLE;
|
|
softc->device_stats.block_size = softc->params.blksize;
|
|
} else {
|
|
if ((dsisopen(softc->cd_slices) == 0)
|
|
&& ((softc->flags & CD_FLAG_DISC_REMOVABLE) != 0))
|
|
cdprevent(periph, PR_ALLOW);
|
|
}
|
|
|
|
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 proc *p)
|
|
{
|
|
struct cam_periph *periph;
|
|
struct cd_softc *softc;
|
|
int unit, error;
|
|
|
|
unit = dkunit(dev);
|
|
periph = cam_extend_get(cdperiphs, unit);
|
|
if (periph == NULL)
|
|
return (ENXIO);
|
|
|
|
softc = (struct cd_softc *)periph->softc;
|
|
|
|
if ((error = cam_periph_lock(periph, PRIBIO)) != 0)
|
|
return (error);
|
|
|
|
dsclose(dev, fmt, softc->cd_slices);
|
|
|
|
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;
|
|
|
|
softc->flags &= ~CD_FLAG_OPEN;
|
|
cam_periph_unlock(periph);
|
|
cam_periph_release(periph);
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
cdread(dev_t dev, struct uio *uio, int ioflag)
|
|
{
|
|
return(physio(cdstrategy, NULL, dev, 1, minphys, uio));
|
|
}
|
|
|
|
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 ((bufq_first(&changer->cur_device->buf_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;
|
|
if (softc->changer->devq.generation++ == 0)
|
|
camq_regen(&softc->changer->devq);
|
|
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_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 timeval cur_time, busy_time;
|
|
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 (bufq_first(&changer->cur_device->buf_queue) != NULL) {
|
|
|
|
if (changer->devq.generation++ == 0)
|
|
camq_regen(&changer->devq);
|
|
|
|
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, 0);
|
|
|
|
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 ((bufq_first(&softc->buf_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);
|
|
}
|
|
|
|
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 ((((volatile cd_flags)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;
|
|
if (softc->changer->devq.generation++ == 0)
|
|
camq_regen(&softc->changer->devq);
|
|
softc->pinfo.generation =
|
|
softc->changer->devq.generation;
|
|
camq_insert(&softc->changer->devq,
|
|
(cam_pinfo *)softc);
|
|
}
|
|
if (((((volatile cd_changer_flags)softc->changer->flags)
|
|
& CHANGER_TIMEOUT_SCHED)==0)
|
|
&&((((volatile cd_changer_flags)softc->changer->flags)
|
|
& CHANGER_NEED_TIMEOUT)==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 buf *bp)
|
|
{
|
|
struct cam_periph *periph;
|
|
struct cd_softc *softc;
|
|
u_int unit, part;
|
|
int s;
|
|
|
|
unit = dkunit(bp->b_dev);
|
|
part = dkpart(bp->b_dev);
|
|
periph = cam_extend_get(cdperiphs, unit);
|
|
if (periph == NULL) {
|
|
bp->b_error = ENXIO;
|
|
goto bad;
|
|
}
|
|
|
|
CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstrategy\n"));
|
|
|
|
softc = (struct cd_softc *)periph->softc;
|
|
|
|
/*
|
|
* Do bounds checking, adjust transfer, and set b_pbklno.
|
|
*/
|
|
if (dscheck(bp, softc->cd_slices) <= 0)
|
|
goto done;
|
|
|
|
/*
|
|
* 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);
|
|
bp->b_error = ENXIO;
|
|
goto bad;
|
|
}
|
|
|
|
/*
|
|
* Place it in the queue of disk activities for this disk
|
|
*/
|
|
bufqdisksort(&softc->buf_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;
|
|
bad:
|
|
bp->b_flags |= B_ERROR;
|
|
done:
|
|
/*
|
|
* Correctly set the buf to indicate a completed xfer
|
|
*/
|
|
bp->b_resid = bp->b_bcount;
|
|
biodone(bp);
|
|
return;
|
|
}
|
|
|
|
static void
|
|
cdstart(struct cam_periph *periph, union ccb *start_ccb)
|
|
{
|
|
struct cd_softc *softc;
|
|
struct buf *bp;
|
|
struct ccb_scsiio *csio;
|
|
struct scsi_read_capacity_data *rcap;
|
|
struct partition *p;
|
|
u_int32_t blkno, nblk;
|
|
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 = bufq_first(&softc->buf_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 {
|
|
bufq_remove(&softc->buf_queue, bp);
|
|
|
|
devstat_start_transaction(&softc->device_stats);
|
|
|
|
scsi_read_write(&start_ccb->csio,
|
|
/*retries*/4,
|
|
/* cbfcnp */ cddone,
|
|
(bp->b_flags & B_ORDERED) != 0 ?
|
|
MSG_ORDERED_Q_TAG :
|
|
MSG_SIMPLE_Q_TAG,
|
|
/* read */bp->b_flags & B_READ,
|
|
/* byte2 */ 0,
|
|
/* minimum_cmd_size */ 10,
|
|
/* lba */ bp->b_pblkno,
|
|
bp->b_bcount / softc->params.blksize,
|
|
/* data_ptr */ bp->b_data,
|
|
/* dxfer_len */ bp->b_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 = bufq_first(&softc->buf_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 buf *bp;
|
|
int error;
|
|
int oldspl;
|
|
|
|
bp = (struct buf *)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;
|
|
|
|
if ((error = cderror(done_ccb, 0, sf)) == ERESTART) {
|
|
/*
|
|
* A retry was scheuled, so
|
|
* just return.
|
|
*/
|
|
return;
|
|
}
|
|
}
|
|
|
|
if (error != 0) {
|
|
int s;
|
|
struct buf *q_bp;
|
|
|
|
xpt_print_path(periph->path);
|
|
printf("cddone: got error %#x back\n", error);
|
|
s = splbio();
|
|
while ((q_bp = bufq_first(&softc->buf_queue)) != NULL) {
|
|
bufq_remove(&softc->buf_queue, q_bp);
|
|
q_bp->b_resid = q_bp->b_bcount;
|
|
q_bp->b_error = EIO;
|
|
q_bp->b_flags |= B_ERROR;
|
|
biodone(q_bp);
|
|
}
|
|
splx(s);
|
|
bp->b_resid = bp->b_bcount;
|
|
bp->b_error = error;
|
|
bp->b_flags |= B_ERROR;
|
|
cam_release_devq(done_ccb->ccb_h.path,
|
|
/*relsim_flags*/0,
|
|
/*reduction*/0,
|
|
/*timeout*/0,
|
|
/*getcount_only*/0);
|
|
|
|
} else {
|
|
bp->b_resid = csio->resid;
|
|
bp->b_error = 0;
|
|
if (bp->b_resid != 0) {
|
|
/* Short transfer ??? */
|
|
bp->b_flags |= B_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);
|
|
|
|
devstat_end_transaction(&softc->device_stats,
|
|
bp->b_bcount - bp->b_resid,
|
|
done_ccb->csio.tag_action & 0xf,
|
|
(bp->b_flags & B_READ) ? DEVSTAT_READ
|
|
: DEVSTAT_WRITE);
|
|
|
|
if (softc->flags & CD_FLAG_CHANGER)
|
|
cdchangerschedule(softc);
|
|
|
|
biodone(bp);
|
|
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) {
|
|
|
|
sprintf(announce_buf,
|
|
"cd present [%ld x %d byte records]",
|
|
cdp->disksize, cdp->blksize);
|
|
|
|
} else {
|
|
int error;
|
|
/*
|
|
* Retry any UNIT ATTENTION type errors. They
|
|
* are expected at boot.
|
|
*/
|
|
error = cderror(done_ccb, 0, 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);
|
|
}
|
|
/*
|
|
* With CDROM devices, we expect 0x3a
|
|
* (Medium not present) errors, since not
|
|
* everyone leaves a CD in the drive. If
|
|
* the error is anything else, though, we
|
|
* shouldn't attach.
|
|
*/
|
|
if ((have_sense) && (asc == 0x3a)
|
|
&& (error_code == SSD_CURRENT_ERROR))
|
|
sprintf(announce_buf,
|
|
"Attempt to query device "
|
|
"size failed: %s, %s",
|
|
scsi_sense_key_text[sense_key],
|
|
scsi_sense_desc(asc,ascq,
|
|
&cgd.inq_data));
|
|
else if (cgd.pd_type == 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.
|
|
*/
|
|
if ((have_sense) && (asc || ascq)
|
|
&& (error_code == SSD_CURRENT_ERROR))
|
|
sprintf(announce_buf,
|
|
"fatal error: %s, %s "
|
|
"-- failed to attach "
|
|
"to device",
|
|
scsi_sense_key_text[sense_key],
|
|
scsi_sense_desc(asc,ascq,
|
|
&cgd.inq_data));
|
|
else
|
|
sprintf(announce_buf,
|
|
"fatal error, failed"
|
|
" to attach to device");
|
|
|
|
/*
|
|
* Just print out the error, not
|
|
* the full probe message, when we
|
|
* don't attach.
|
|
*/
|
|
printf("%s%d: %s\n",
|
|
periph->periph_name,
|
|
periph->unit_number,
|
|
announce_buf);
|
|
scsi_sense_print(&done_ccb->csio);
|
|
|
|
/*
|
|
* Free up resources.
|
|
*/
|
|
cam_extend_release(cdperiphs,
|
|
periph->unit_number);
|
|
cam_periph_invalidate(periph);
|
|
periph = NULL;
|
|
} else {
|
|
/*
|
|
* Free up resources.
|
|
*/
|
|
cam_extend_release(cdperiphs,
|
|
periph->unit_number);
|
|
cam_periph_invalidate(periph);
|
|
periph = NULL;
|
|
}
|
|
}
|
|
}
|
|
free(rdcap, M_TEMP);
|
|
if (periph != NULL) {
|
|
xpt_announce_periph(periph, announce_buf);
|
|
softc->state = CD_STATE_NORMAL;
|
|
cam_periph_unlock(periph);
|
|
}
|
|
|
|
if (softc->flags & CD_FLAG_CHANGER)
|
|
cdchangerschedule(softc);
|
|
break;
|
|
}
|
|
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;
|
|
}
|
|
}
|
|
xpt_release_ccb(done_ccb);
|
|
}
|
|
|
|
static int
|
|
cdioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, struct proc *p)
|
|
{
|
|
|
|
struct cam_periph *periph;
|
|
struct cd_softc *softc;
|
|
u_int8_t unit, part;
|
|
int error;
|
|
|
|
unit = dkunit(dev);
|
|
part = dkpart(dev);
|
|
|
|
periph = cam_extend_get(cdperiphs, unit);
|
|
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 %#x\n", cmd));
|
|
|
|
error = 0;
|
|
|
|
switch (cmd) {
|
|
|
|
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);
|
|
}
|
|
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;
|
|
default:
|
|
if (cmd == DIOCSBAD) {
|
|
error = EINVAL; /* XXX */
|
|
break;
|
|
}
|
|
|
|
/*
|
|
* Check to see whether we've got a disk-type ioctl. If we
|
|
* don't, dsioctl will pass back an error code of ENOIOCTL.
|
|
*/
|
|
error = dsioctl("cd", dev, cmd, addr, flag, &softc->cd_slices,
|
|
cdstrategy, (ds_setgeom_t *)NULL);
|
|
|
|
if (error != ENOIOCTL)
|
|
break;
|
|
|
|
error = cam_periph_ioctl(periph, cmd, addr, cderror);
|
|
break;
|
|
}
|
|
|
|
CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdioctl\n"));
|
|
|
|
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*/0,
|
|
/*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 = cam_extend_get(cdperiphs, dkunit(dev));
|
|
|
|
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*/0,
|
|
/*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);
|
|
|
|
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));
|
|
}
|
|
|
|
static int
|
|
cdgetdisklabel(dev_t dev)
|
|
{
|
|
struct cam_periph *periph;
|
|
struct cd_softc *softc;
|
|
|
|
periph = cam_extend_get(cdperiphs, dkunit(dev));
|
|
|
|
if (periph == NULL)
|
|
return (ENXIO);
|
|
|
|
CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdgetdisklabel\n"));
|
|
|
|
softc = (struct cd_softc *)periph->softc;
|
|
|
|
bzero(&softc->disklabel, sizeof(struct disklabel));
|
|
|
|
/* XXX Use the controller's geometry for this */
|
|
softc->disklabel.d_type = DTYPE_SCSI;
|
|
sprintf(softc->disklabel.d_typename, "%s%d", periph->periph_name,
|
|
periph->unit_number);
|
|
strncpy(softc->disklabel.d_packname, "ficticious", 16);
|
|
softc->disklabel.d_secsize = softc->params.blksize;
|
|
softc->disklabel.d_nsectors = 100;
|
|
softc->disklabel.d_ntracks = 1;
|
|
softc->disklabel.d_ncylinders = (softc->params.disksize / 100) + 1;
|
|
softc->disklabel.d_secpercyl = 100;
|
|
softc->disklabel.d_secperunit = softc->params.disksize;
|
|
softc->disklabel.d_rpm = 300;
|
|
softc->disklabel.d_interleave = 1;
|
|
softc->disklabel.d_flags = D_REMOVABLE;
|
|
|
|
/*
|
|
* Make partition 'a' cover the whole disk. This is a temporary
|
|
* compatibility hack. The 'a' partition should not exist, so
|
|
* the slice code won't create it. The slice code will make
|
|
* partition (RAW_PART + 'a') cover the whole disk and fill in
|
|
* some more defaults.
|
|
*/
|
|
softc->disklabel.d_npartitions = 1;
|
|
softc->disklabel.d_partitions[0].p_offset = 0;
|
|
softc->disklabel.d_partitions[0].p_size
|
|
= softc->params.disksize;
|
|
softc->disklabel.d_partitions[0].p_fstype = FS_OTHER;
|
|
|
|
/*
|
|
* Signal to other users and routines that we now have a
|
|
* disklabel that represents the media (maybe)
|
|
*/
|
|
return (0);
|
|
|
|
}
|
|
|
|
/*
|
|
* 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*/0,
|
|
/*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*/0,
|
|
/*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*/0,
|
|
/*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*/0,
|
|
/*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*/0,
|
|
/*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*/0,
|
|
/*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*/0,
|
|
/*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*/0,
|
|
/*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 */ TRUE,
|
|
/* immediate */ FALSE,
|
|
/* sense_len */ SSD_FULL_SIZE,
|
|
/* timeout */ 50000);
|
|
|
|
error = cdrunccb(ccb, cderror, /*cam_flags*/0,
|
|
/*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*/0,
|
|
/*sense_flags*/SF_RETRY_UA);
|
|
|
|
xpt_release_ccb(ccb);
|
|
|
|
return(error);
|
|
}
|