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Add a quirk flag for CD drives that jam when seeing a START STOP UNIT

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command.

PR:		2388
Submitted by:	nsayer@quack.kfu.com (Nick Sayer) [basically]
This commit is contained in:
Joerg Wunsch 1997-09-07 15:06:08 +00:00
parent 96fc32627f
commit c816cfc962
3 changed files with 14 additions and 5 deletions
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10
sys/scsi/cd.c
View File

@ -14,7 +14,7 @@
*
* Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992
*
* $Id: cd.c,v 1.83 1997/05/04 15:24:22 joerg Exp $
* $Id: cd.c,v 1.84 1997/09/02 20:06:30 bde Exp $
*/
#include "opt_bounce.h"
@ -277,9 +277,13 @@ cd_open(dev_t dev, int flags, int fmt, struct proc *p,
/*
* Start the drive, and take notice of error returns.
* Some (arguably broken) drives go crazy on this attempt, we can
* handle it.
*/
scsi_start_unit(sc_link, CD_START);
SC_DEBUG(sc_link, SDEV_DB3, ("'start' attempted "));
if ((sc_link->quirks & CD_Q_NO_START) == 0) {
scsi_start_unit(sc_link, CD_START);
SC_DEBUG(sc_link, SDEV_DB3, ("'start' attempted "));
}
sc_link->flags |= SDEV_OPEN; /* unit attn errors are now errors */
if (scsi_test_unit_ready(sc_link, SCSI_SILENT) != 0) {
SC_DEBUG(sc_link, SDEV_DB3, ("not ready\n"));

6
sys/scsi/scsiconf.c
View File

@ -16,7 +16,7 @@
*
* New configuration setup: dufault@hda.com
*
* $Id: scsiconf.c,v 1.90 1997/09/02 20:06:35 bde Exp $
* $Id: scsiconf.c,v 1.91 1997/09/05 10:16:03 joerg Exp $
*/
#include "opt_scsi.h"
@ -385,6 +385,10 @@ static struct scsidevs knowndevs[] =
T_READONLY, T_READONLY, T_REMOV, "NEC", "CD-ROM DRIVE:210","*",
"cd", SC_ONE_LU
},
{
T_READONLY, T_READONLY, T_REMOV, "MEDIAVIS", "RENO CD-ROMX2A","*",
"cd", SC_ONE_LU, CD_Q_NO_START
},
/*
* Doobe-doo-be doooo
* -Mary

3
sys/scsi/scsiconf.h
View File

@ -14,7 +14,7 @@
*
* Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992
*
* $Id: scsiconf.h,v 1.54 1997/05/19 17:32:10 jmz Exp $
* $Id: scsiconf.h,v 1.55 1997/06/25 19:07:43 tegge Exp $
*/
#ifndef SCSI_SCSICONF_H
#define SCSI_SCSICONF_H 1
@ -274,6 +274,7 @@ typedef struct st_mode st_modes[4];
/* cd specific CD_Q_* */
#define CD_Q_NO_TOUCH 0x0001
#define CD_Q_BCD_TRACKS 0x0002
#define CD_Q_NO_START 0x0004
/* worm specific WORM_Q_* */