1993-06-12 14:58:17 +00:00
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/*
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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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*/
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1993-08-20 09:23:30 +00:00
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static char rev[] = "$Revision: 1.5 $";
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1993-06-12 14:58:17 +00:00
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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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1993-08-20 09:23:30 +00:00
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* PATCHES MAGIC LEVEL PATCH THAT GOT US HERE
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* -------------------- ----- ----------------------
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* CURRENT PATCH LEVEL: 1 00098
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* -------------------- ----- ----------------------
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*
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* 16 Feb 93 Julian Elischer ADDED for SCSI system
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1993-06-12 14:58:17 +00:00
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*/
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#define SPLCD splbio
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#define ESUCCESS 0
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#include <cd.h>
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#include <sys/types.h>
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#include <sys/param.h>
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#include <sys/dkbad.h>
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#include <sys/systm.h>
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#include <sys/conf.h>
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#include <sys/file.h>
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#include <sys/stat.h>
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#include <sys/ioctl.h>
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#include <sys/buf.h>
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#include <sys/uio.h>
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#include <sys/malloc.h>
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#include <sys/cdio.h>
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#include <sys/errno.h>
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#include <sys/disklabel.h>
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#include <scsi/scsi_all.h>
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#include <scsi/scsi_cd.h>
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#include <scsi/scsi_disk.h> /* rw_big and start_stop come from there */
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#include <scsi/scsiconf.h>
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long int cdstrats,cdqueues;
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#include <ddb.h>
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#if NDDB > 0
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int Debugger();
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#else NDDB > 0
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#define Debugger()
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#endif NDDB > 0
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#define PAGESIZ 4096
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#define SECSIZE 2048 /* XXX */ /* default only */
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#define CDOUTSTANDING 2
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#define CDQSIZE 4
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#define CD_RETRIES 4
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#define UNITSHIFT 3
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#define PARTITION(z) (minor(z) & 0x07)
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#define RAW_PART 3
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#define UNIT(z) ( (minor(z) >> UNITSHIFT) )
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extern int hz;
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int cd_done();
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int cdstrategy();
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int cd_debug = 0;
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struct buf cd_buf_queue[NCD];
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struct scsi_xfer cd_scsi_xfer[NCD][CDOUTSTANDING]; /* XXX */
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struct scsi_xfer *cd_free_xfer[NCD];
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int cd_xfer_block_wait[NCD];
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struct cd_data
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{
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int flags;
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#define CDVALID 0x02 /* PARAMS LOADED */
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#define CDINIT 0x04 /* device has been init'd */
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#define CDWAIT 0x08 /* device has someone waiting */
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#define CDHAVELABEL 0x10 /* have read the label */
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struct scsi_switch *sc_sw; /* address of scsi low level switch */
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int ctlr; /* so they know which one we want */
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int targ; /* our scsi target ID */
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int lu; /* out scsi lu */
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int cmdscount; /* cmds allowed outstanding by board*/
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struct cd_parms
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{
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int blksize;
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u_long disksize; /* total number sectors */
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}params;
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struct disklabel disklabel;
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int partflags[MAXPARTITIONS]; /* per partition flags */
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#define CDOPEN 0x01
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int openparts; /* one bit for each open partition */
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}cd_data[NCD];
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#define CD_STOP 0
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#define CD_START 1
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#define CD_EJECT -2
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static int next_cd_unit = 0;
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/***********************************************************************\
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* The routine called by the low level scsi routine when it discovers *
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* A device suitable for this driver *
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\***********************************************************************/
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int cdattach(ctlr,targ,lu,scsi_switch)
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struct scsi_switch *scsi_switch;
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{
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int unit,i;
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unsigned char *tbl;
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struct cd_data *cd;
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struct cd_parms *dp;
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unit = next_cd_unit++;
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cd = cd_data + unit;
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dp = &(cd->params);
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if(scsi_debug & PRINTROUTINES) printf("cdattach: ");
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/*******************************************************\
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* Check we have the resources for another drive *
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\*******************************************************/
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if( unit >= NCD)
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{
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1993-08-06 12:11:52 +00:00
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printf("Too many scsi CDs..(%d > %d) reconfigure kernel\n",(unit + 1),NCD);
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1993-06-12 14:58:17 +00:00
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return(0);
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}
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/*******************************************************\
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* Store information needed to contact our base driver *
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\*******************************************************/
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cd->sc_sw = scsi_switch;
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cd->ctlr = ctlr;
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cd->targ = targ;
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cd->lu = lu;
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cd->cmdscount = CDOUTSTANDING; /* XXX (ask the board) */
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i = cd->cmdscount;
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while(i-- )
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{
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cd_scsi_xfer[unit][i].next = cd_free_xfer[unit];
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cd_free_xfer[unit] = &cd_scsi_xfer[unit][i];
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}
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/*******************************************************\
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* Use the subdriver to request information regarding *
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* the drive. We cannot use interrupts yet, so the *
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* request must specify this. *
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\*******************************************************/
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cd_get_parms(unit, SCSI_NOSLEEP | SCSI_NOMASK);
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if(dp->disksize)
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{
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printf("cd present\n");
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}
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else
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{
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printf("drive empty\n");
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}
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cd->flags |= CDINIT;
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return;
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}
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/*******************************************************\
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* open the device. Make sure the partition info *
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* is a up-to-date as can be. *
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\*******************************************************/
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cdopen(dev)
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{
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int errcode = 0;
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int unit, part;
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struct cd_parms cd_parms;
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struct cd_data *cd ;
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unit = UNIT(dev);
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part = PARTITION(dev);
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cd = cd_data + unit;
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if(scsi_debug & (PRINTROUTINES | TRACEOPENS))
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printf("cdopen: dev=0x%x (unit %d (of %d),partition %d)\n"
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, dev, unit, NCD, part);
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/*******************************************************\
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* Check the unit is legal *
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\*******************************************************/
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if ( unit >= NCD )
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{
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return(ENXIO);
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}
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/*******************************************************\
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* Make sure the disk has been initialised *
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* At some point in the future, get the scsi driver *
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* to look for a new device if we are not initted *
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\*******************************************************/
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if (! (cd->flags & CDINIT))
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return(ENXIO);
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/*******************************************************\
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* If it's been invalidated, and not everybody has *
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* closed it then forbid re-entry. *
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* (may have changed media) *
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\*******************************************************/
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if ((! (cd->flags & CDVALID))
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&& ( cd->openparts))
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return(ENXIO);
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/*******************************************************\
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* Check that it is still responding and ok. *
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* if the media has been changed this will result in a *
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* "unit attention" error which the error code will *
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* disregard because the CDVALID flag is not yet set *
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\*******************************************************/
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if (cd_req_sense(unit, SCSI_SILENT) != 0) {
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if(scsi_debug & TRACEOPENS)
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printf("not reponding\n");
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return(ENXIO);
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}
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if(scsi_debug & TRACEOPENS)
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printf("Device present\n");
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/*******************************************************\
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* In case it is a funny one, tell it to start *
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* not needed for hard drives *
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\*******************************************************/
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cd_start_unit(unit,part,CD_START);
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cd_prevent_unit(unit,PR_PREVENT,SCSI_SILENT);
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if(scsi_debug & TRACEOPENS)
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printf("started ");
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/*******************************************************\
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* Load the physical device parameters *
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\*******************************************************/
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cd_get_parms(unit, 0);
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if(scsi_debug & TRACEOPENS)
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printf("Params loaded ");
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/*******************************************************\
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* Load the partition info if not already loaded *
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\*******************************************************/
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cdgetdisklabel(unit);
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if(scsi_debug & TRACEOPENS)
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printf("Disklabel fabricated ");
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/*******************************************************\
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* Check the partition is legal *
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\*******************************************************/
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if (( part >= cd->disklabel.d_npartitions )
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&& (part != RAW_PART))
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{
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if(scsi_debug & TRACEOPENS)
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printf("partition %d > %d\n",part
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,cd->disklabel.d_npartitions);
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cd_prevent_unit(unit,PR_ALLOW,SCSI_SILENT);
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return(ENXIO);
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}
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/*******************************************************\
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* Check that the partition exists *
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\*******************************************************/
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if (( cd->disklabel.d_partitions[part].p_fstype != FS_UNUSED )
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|| (part == RAW_PART))
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{
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cd->partflags[part] |= CDOPEN;
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cd->openparts |= (1 << part);
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if(scsi_debug & TRACEOPENS)
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printf("open complete\n");
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cd->flags |= CDVALID;
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}
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else
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{
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if(scsi_debug & TRACEOPENS)
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printf("part %d type UNUSED\n",part);
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cd_prevent_unit(unit,PR_ALLOW,SCSI_SILENT);
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return(ENXIO);
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}
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return(0);
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}
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/*******************************************************\
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* Get ownership of a scsi_xfer structure *
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* If need be, sleep on it, until it comes free *
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\*******************************************************/
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struct scsi_xfer *cd_get_xs(unit,flags)
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int flags;
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int unit;
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{
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struct scsi_xfer *xs;
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int s;
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if(flags & (SCSI_NOSLEEP | SCSI_NOMASK))
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{
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if (xs = cd_free_xfer[unit])
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{
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cd_free_xfer[unit] = xs->next;
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xs->flags = 0;
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}
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}
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else
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{
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s = SPLCD();
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while (!(xs = cd_free_xfer[unit]))
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{
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cd_xfer_block_wait[unit]++; /* someone waiting! */
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sleep((caddr_t)&cd_free_xfer[unit], PRIBIO+1);
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cd_xfer_block_wait[unit]--;
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}
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cd_free_xfer[unit] = xs->next;
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splx(s);
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xs->flags = 0;
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}
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return(xs);
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}
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/*******************************************************\
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* Free a scsi_xfer, wake processes waiting for it *
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\*******************************************************/
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cd_free_xs(unit,xs,flags)
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struct scsi_xfer *xs;
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int unit;
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int flags;
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{
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int s;
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if(flags & SCSI_NOMASK)
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{
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if (cd_xfer_block_wait[unit])
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{
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printf("doing a wakeup from NOMASK mode\n");
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wakeup((caddr_t)&cd_free_xfer[unit]);
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}
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xs->next = cd_free_xfer[unit];
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cd_free_xfer[unit] = xs;
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}
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else
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{
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s = SPLCD();
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if (cd_xfer_block_wait[unit])
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wakeup((caddr_t)&cd_free_xfer[unit]);
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xs->next = cd_free_xfer[unit];
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cd_free_xfer[unit] = xs;
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splx(s);
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}
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}
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/*******************************************************\
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* trim the size of the transfer if needed, *
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* called by physio *
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* basically the smaller of our max and the scsi driver's*
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* minphys (note we have no max ourselves) *
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\*******************************************************/
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/* Trim buffer length if buffer-size is bigger than page size */
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void cdminphys(bp)
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struct buf *bp;
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{
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(*(cd_data[UNIT(bp->b_dev)].sc_sw->scsi_minphys))(bp);
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}
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/*******************************************************\
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* Actually translate the requested transfer into *
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* one the physical driver can understand *
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* The transfer is described by a buf and will include *
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* only one physical transfer. *
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\*******************************************************/
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int cdstrategy(bp)
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struct buf *bp;
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{
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struct buf *dp;
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unsigned int opri;
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struct cd_data *cd ;
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int unit;
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cdstrats++;
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unit = UNIT((bp->b_dev));
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|
|
|
cd = cd_data + unit;
|
|
|
|
if(scsi_debug & PRINTROUTINES) printf("\ncdstrategy ");
|
|
|
|
if(scsi_debug & SHOWREQUESTS) printf("cd%d: %d bytes @ blk%d\n",
|
|
|
|
unit,bp->b_bcount,bp->b_blkno);
|
|
|
|
cdminphys(bp);
|
|
|
|
/*******************************************************\
|
|
|
|
* If the device has been made invalid, error out *
|
|
|
|
* maybe the media changed *
|
|
|
|
\*******************************************************/
|
|
|
|
if(!(cd->flags & CDVALID))
|
|
|
|
{
|
|
|
|
bp->b_error = EIO;
|
|
|
|
goto bad;
|
|
|
|
}
|
|
|
|
/*******************************************************\
|
|
|
|
* can't ever write to a CD *
|
|
|
|
\*******************************************************/
|
|
|
|
if ((bp->b_flags & B_READ) == 0) {
|
|
|
|
bp->b_error = EROFS;
|
|
|
|
goto bad;
|
|
|
|
}
|
|
|
|
/*******************************************************\
|
|
|
|
* If it's a null transfer, return immediatly *
|
|
|
|
\*******************************************************/
|
|
|
|
if (bp->b_bcount == 0) {
|
|
|
|
goto done;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*******************************************************\
|
|
|
|
* Decide which unit and partition we are talking about *
|
|
|
|
\*******************************************************/
|
|
|
|
if(PARTITION(bp->b_dev) != RAW_PART)
|
|
|
|
{
|
|
|
|
if (!(cd->flags & CDHAVELABEL))
|
|
|
|
{
|
|
|
|
bp->b_error = EIO;
|
|
|
|
goto bad;
|
|
|
|
}
|
|
|
|
/*
|
|
|
|
* do bounds checking, adjust transfer. if error, process.
|
|
|
|
* if end of partition, just return
|
|
|
|
*/
|
|
|
|
if (bounds_check_with_label(bp,&cd->disklabel,1) <= 0)
|
|
|
|
goto done;
|
|
|
|
/* otherwise, process transfer request */
|
|
|
|
}
|
|
|
|
|
|
|
|
opri = SPLCD();
|
|
|
|
dp = &cd_buf_queue[unit];
|
|
|
|
|
|
|
|
/*******************************************************\
|
|
|
|
* Place it in the queue of disk activities for this disk*
|
|
|
|
\*******************************************************/
|
|
|
|
disksort(dp, bp);
|
|
|
|
|
|
|
|
/*******************************************************\
|
|
|
|
* Tell the device to get going on the transfer if it's *
|
|
|
|
* not doing anything, otherwise just wait for completion*
|
|
|
|
\*******************************************************/
|
|
|
|
cdstart(unit);
|
|
|
|
|
|
|
|
splx(opri);
|
|
|
|
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;
|
|
|
|
}
|
|
|
|
|
|
|
|
/***************************************************************\
|
|
|
|
* cdstart looks to see if there is a buf waiting for the device *
|
|
|
|
* and that the device is not already busy. If both are true, *
|
|
|
|
* It deques the buf and creates a scsi command to perform the *
|
|
|
|
* transfer in the buf. The transfer request will call cd_done *
|
|
|
|
* on completion, which will in turn call this routine again *
|
|
|
|
* so that the next queued transfer is performed. *
|
|
|
|
* The bufs are queued by the strategy routine (cdstrategy) *
|
|
|
|
* *
|
|
|
|
* This routine is also called after other non-queued requests *
|
|
|
|
* have been made of the scsi driver, to ensure that the queue *
|
|
|
|
* continues to be drained. *
|
|
|
|
* *
|
|
|
|
* must be called at the correct (highish) spl level *
|
|
|
|
\***************************************************************/
|
|
|
|
/* cdstart() is called at SPLCD from cdstrategy and cd_done*/
|
|
|
|
cdstart(unit)
|
|
|
|
int unit;
|
|
|
|
{
|
|
|
|
register struct buf *bp = 0;
|
|
|
|
register struct buf *dp;
|
|
|
|
struct scsi_xfer *xs;
|
|
|
|
struct scsi_rw_big cmd;
|
|
|
|
int blkno, nblk;
|
|
|
|
struct cd_data *cd = cd_data + unit;
|
|
|
|
struct partition *p ;
|
|
|
|
|
|
|
|
if(scsi_debug & PRINTROUTINES) printf("cdstart%d ",unit);
|
|
|
|
/*******************************************************\
|
|
|
|
* See if there is a buf to do and we are not already *
|
|
|
|
* doing one *
|
|
|
|
\*******************************************************/
|
|
|
|
if(!cd_free_xfer[unit])
|
|
|
|
{
|
|
|
|
return; /* none for us, unit already underway */
|
|
|
|
}
|
|
|
|
|
|
|
|
if(cd_xfer_block_wait[unit]) /* there is one, but a special waits */
|
|
|
|
{
|
|
|
|
return; /* give the special that's waiting a chance to run */
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
dp = &cd_buf_queue[unit];
|
|
|
|
if ((bp = dp->b_actf) != NULL) /* yes, an assign */
|
|
|
|
{
|
|
|
|
dp->b_actf = bp->av_forw;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
xs=cd_get_xs(unit,0); /* ok we can grab it */
|
|
|
|
xs->flags = INUSE; /* Now ours */
|
|
|
|
/***************************************************************\
|
|
|
|
* Should reject all queued entries if CDVALID is not true *
|
|
|
|
\***************************************************************/
|
|
|
|
if(!(cd->flags & CDVALID))
|
|
|
|
{
|
|
|
|
goto bad; /* no I/O.. media changed or something */
|
|
|
|
}
|
|
|
|
|
|
|
|
/*******************************************************\
|
|
|
|
* We have a buf, now we should move the data into *
|
|
|
|
* a scsi_xfer definition and try start it *
|
|
|
|
\*******************************************************/
|
|
|
|
/*******************************************************\
|
|
|
|
* First, translate the block to absolute *
|
|
|
|
* and put it in terms of the logical blocksize of the *
|
|
|
|
* device.. *
|
|
|
|
\*******************************************************/
|
|
|
|
p = cd->disklabel.d_partitions + PARTITION(bp->b_dev);
|
|
|
|
blkno = ((bp->b_blkno / (cd->params.blksize/512)) + p->p_offset);
|
|
|
|
nblk = (bp->b_bcount + (cd->params.blksize - 1)) / (cd->params.blksize);
|
|
|
|
|
|
|
|
/*******************************************************\
|
|
|
|
* Fill out the scsi command *
|
|
|
|
\*******************************************************/
|
|
|
|
bzero(&cmd, sizeof(cmd));
|
|
|
|
cmd.op_code = READ_BIG;
|
|
|
|
cmd.addr_3 = (blkno & 0xff000000) >> 24;
|
|
|
|
cmd.addr_2 = (blkno & 0xff0000) >> 16;
|
|
|
|
cmd.addr_1 = (blkno & 0xff00) >> 8;
|
|
|
|
cmd.addr_0 = blkno & 0xff;
|
|
|
|
cmd.length2 = (nblk & 0xff00) >> 8;
|
|
|
|
cmd.length1 = (nblk & 0xff);
|
|
|
|
/*******************************************************\
|
|
|
|
* Fill out the scsi_xfer structure *
|
|
|
|
* Note: we cannot sleep as we may be an interrupt *
|
|
|
|
\*******************************************************/
|
|
|
|
xs->flags |= SCSI_NOSLEEP;
|
|
|
|
xs->adapter = cd->ctlr;
|
|
|
|
xs->targ = cd->targ;
|
|
|
|
xs->lu = cd->lu;
|
|
|
|
xs->retries = CD_RETRIES;
|
|
|
|
xs->timeout = 10000;/* 10000 millisecs for a disk !*/
|
|
|
|
xs->cmd = (struct scsi_generic *)&cmd;
|
|
|
|
xs->cmdlen = sizeof(cmd);
|
|
|
|
xs->resid = bp->b_bcount;
|
|
|
|
xs->when_done = cd_done;
|
|
|
|
xs->done_arg = unit;
|
|
|
|
xs->done_arg2 = (int)xs;
|
|
|
|
xs->error = XS_NOERROR;
|
|
|
|
xs->bp = bp;
|
|
|
|
xs->data = (u_char *)bp->b_un.b_addr;
|
|
|
|
xs->datalen = bp->b_bcount;
|
|
|
|
|
|
|
|
/*******************************************************\
|
|
|
|
* Pass all this info to the scsi driver. *
|
|
|
|
\*******************************************************/
|
|
|
|
if ( (*(cd->sc_sw->scsi_cmd))(xs) != SUCCESSFULLY_QUEUED)
|
|
|
|
{
|
|
|
|
printf("cd%d: oops not queued",unit);
|
|
|
|
goto bad;
|
|
|
|
}
|
|
|
|
cdqueues++;
|
|
|
|
return;
|
|
|
|
bad: xs->error = XS_DRIVER_STUFFUP;
|
|
|
|
cd_done(unit,xs);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*******************************************************\
|
|
|
|
* This routine is called by the scsi interrupt when *
|
|
|
|
* the transfer is complete. (or failed) *
|
|
|
|
\*******************************************************/
|
|
|
|
int cd_done(unit,xs)
|
|
|
|
int unit;
|
|
|
|
struct scsi_xfer *xs;
|
|
|
|
{
|
|
|
|
struct buf *bp;
|
|
|
|
int retval;
|
|
|
|
|
|
|
|
if(scsi_debug & PRINTROUTINES) printf("cd_done%d ",unit);
|
|
|
|
if (! (xs->flags & INUSE)) /* paranoia always pays off */
|
|
|
|
panic("scsi_xfer not in use!");
|
|
|
|
if(bp = xs->bp)
|
|
|
|
{
|
|
|
|
switch(xs->error)
|
|
|
|
{
|
|
|
|
case XS_NOERROR:
|
|
|
|
bp->b_error = 0;
|
|
|
|
bp->b_resid = 0;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case XS_SENSE:
|
|
|
|
retval = (cd_interpret_sense(unit,xs));
|
|
|
|
if(retval)
|
|
|
|
{
|
|
|
|
bp->b_flags |= B_ERROR;
|
|
|
|
bp->b_error = retval;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
|
|
|
|
case XS_TIMEOUT:
|
|
|
|
printf("cd%d timeout\n",unit);
|
|
|
|
|
|
|
|
case XS_BUSY:
|
|
|
|
/***********************************\
|
|
|
|
* Just resubmit it straight back to *
|
|
|
|
* the SCSI driver to try it again *
|
|
|
|
\***********************************/
|
|
|
|
if(xs->retries--)
|
|
|
|
{
|
|
|
|
xs->error = XS_NOERROR;
|
|
|
|
xs->flags &= ~ITSDONE;
|
|
|
|
if ( (*(cd_data[unit].sc_sw->scsi_cmd))(xs)
|
|
|
|
== SUCCESSFULLY_QUEUED)
|
|
|
|
{ /* shhh! don't wake the job, ok? */
|
|
|
|
/* don't tell cdstart either, */
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
/* xs->error is set by the scsi driver */
|
|
|
|
} /* Fall through */
|
|
|
|
|
|
|
|
case XS_DRIVER_STUFFUP:
|
|
|
|
bp->b_flags |= B_ERROR;
|
|
|
|
bp->b_error = EIO;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
printf("cd%d: unknown error category from scsi driver\n"
|
|
|
|
,unit);
|
|
|
|
}
|
|
|
|
biodone(bp);
|
|
|
|
cd_free_xs(unit,xs,0);
|
|
|
|
cdstart(unit); /* If there's anything waiting.. do it */
|
|
|
|
}
|
|
|
|
else /* special has finished */
|
|
|
|
{
|
|
|
|
wakeup(xs);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
/*******************************************************\
|
|
|
|
* Perform special action on behalf of the user *
|
|
|
|
* Knows about the internals of this device *
|
|
|
|
\*******************************************************/
|
|
|
|
cdioctl(dev_t dev, int cmd, caddr_t addr, int flag)
|
|
|
|
{
|
|
|
|
int error = 0;
|
|
|
|
unsigned int opri;
|
|
|
|
unsigned char unit, part;
|
|
|
|
register struct cd_data *cd;
|
|
|
|
|
|
|
|
|
|
|
|
/*******************************************************\
|
|
|
|
* Find the device that the user is talking about *
|
|
|
|
\*******************************************************/
|
|
|
|
unit = UNIT(dev);
|
|
|
|
part = PARTITION(dev);
|
|
|
|
cd = &cd_data[unit];
|
|
|
|
if(scsi_debug & PRINTROUTINES) printf("cdioctl%d ",unit);
|
|
|
|
|
|
|
|
/*******************************************************\
|
|
|
|
* If the device is not valid.. abandon ship *
|
|
|
|
\*******************************************************/
|
|
|
|
if (!(cd_data[unit].flags & CDVALID))
|
|
|
|
return(EIO);
|
|
|
|
switch(cmd)
|
|
|
|
{
|
|
|
|
|
|
|
|
case DIOCSBAD:
|
|
|
|
error = EINVAL;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case DIOCGDINFO:
|
|
|
|
*(struct disklabel *)addr = cd->disklabel;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case DIOCGPART:
|
|
|
|
((struct partinfo *)addr)->disklab = &cd->disklabel;
|
|
|
|
((struct partinfo *)addr)->part =
|
|
|
|
&cd->disklabel.d_partitions[PARTITION(dev)];
|
|
|
|
break;
|
|
|
|
|
|
|
|
case DIOCWDINFO:
|
|
|
|
case DIOCSDINFO:
|
|
|
|
if ((flag & FWRITE) == 0)
|
|
|
|
error = EBADF;
|
|
|
|
else
|
|
|
|
error = setdisklabel(&cd->disklabel,
|
|
|
|
(struct disklabel *)addr,
|
|
|
|
/*(cd->flags & DKFL_BSDLABEL) ? cd->openparts : */0,
|
|
|
|
0);
|
|
|
|
if (error == 0) {
|
|
|
|
cd->flags |= CDHAVELABEL;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
|
|
|
|
case DIOCWLABEL:
|
|
|
|
error = EBADF;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case CDIOCPLAYTRACKS:
|
|
|
|
{
|
|
|
|
struct ioc_play_track *args
|
|
|
|
= (struct ioc_play_track *)addr;
|
|
|
|
struct cd_mode_data data;
|
|
|
|
if(error = cd_get_mode(unit,&data,AUDIO_PAGE))
|
|
|
|
break;
|
1993-08-20 09:23:30 +00:00
|
|
|
data.page.audio.flags &= ~CD_PA_SOTC;
|
|
|
|
data.page.audio.flags |= CD_PA_IMMED;
|
1993-06-12 14:58:17 +00:00
|
|
|
if(error = cd_set_mode(unit,&data))
|
|
|
|
break;
|
|
|
|
return(cd_play_tracks(unit
|
|
|
|
,args->start_track
|
|
|
|
,args->start_index
|
|
|
|
,args->end_track
|
|
|
|
,args->end_index
|
|
|
|
));
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case CDIOCPLAYBLOCKS:
|
|
|
|
{
|
|
|
|
struct ioc_play_blocks *args
|
|
|
|
= (struct ioc_play_blocks *)addr;
|
|
|
|
struct cd_mode_data data;
|
|
|
|
if(error = cd_get_mode(unit,&data,AUDIO_PAGE))
|
|
|
|
break;
|
1993-08-20 09:23:30 +00:00
|
|
|
data.page.audio.flags &= ~CD_PA_SOTC;
|
|
|
|
data.page.audio.flags |= CD_PA_IMMED;
|
1993-06-12 14:58:17 +00:00
|
|
|
if(error = cd_set_mode(unit,&data))
|
|
|
|
break;
|
|
|
|
return(cd_play(unit,args->blk,args->len));
|
|
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case CDIOCREADSUBCHANNEL:
|
|
|
|
{
|
|
|
|
struct ioc_read_subchannel *args
|
|
|
|
= (struct ioc_read_subchannel *)addr;
|
|
|
|
struct cd_sub_channel_info data;
|
|
|
|
int len=args->data_len;
|
|
|
|
if(len>sizeof(data)||
|
|
|
|
len<sizeof(struct cd_sub_channel_header)) {
|
|
|
|
error=EINVAL;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
if(error = cd_read_subchannel(unit,args->address_format,
|
|
|
|
args->data_format,args->track,&data,len)) {
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
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;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case CDIOREADTOCHEADER:
|
|
|
|
{
|
|
|
|
struct ioc_toc_header th;
|
|
|
|
if( error = cd_read_toc(unit,0,0,&th,sizeof(th)))
|
|
|
|
break;
|
|
|
|
th.len=(th.len&0xff)<<8+((th.len>>8)&0xff);
|
|
|
|
bcopy(&th,addr,sizeof(th));
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case CDIOREADTOCENTRYS:
|
|
|
|
{
|
|
|
|
struct ioc_read_toc_entry *te=
|
|
|
|
(struct ioc_read_toc_entry *)addr;
|
|
|
|
struct cd_toc_entry data[65];
|
|
|
|
struct ioc_toc_header *th;
|
|
|
|
int len=te->data_len;
|
|
|
|
th=(struct ioc_toc_header *)data;
|
|
|
|
|
|
|
|
if(len>sizeof(data) || len<sizeof(struct cd_toc_entry)) {
|
|
|
|
error=EINVAL;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
if(error = cd_read_toc(unit,te->address_format,
|
|
|
|
te->starting_track,
|
|
|
|
data,
|
|
|
|
len))
|
|
|
|
break;
|
|
|
|
len=MIN(len,((((th->len&0xff)<<8)+((th->len>>8)))+
|
|
|
|
sizeof(*th)));
|
|
|
|
if(copyout(th,te->data,len)!=0) {
|
|
|
|
error=EFAULT;
|
|
|
|
}
|
|
|
|
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case CDIOCSETPATCH:
|
|
|
|
{
|
|
|
|
struct ioc_patch *arg = (struct ioc_patch *)addr;
|
|
|
|
struct cd_mode_data data;
|
|
|
|
if(error = cd_get_mode(unit,&data,AUDIO_PAGE))
|
|
|
|
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];
|
|
|
|
if(error = cd_set_mode(unit,&data))
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case CDIOCGETVOL:
|
|
|
|
{
|
|
|
|
struct ioc_vol *arg = (struct ioc_vol *)addr;
|
|
|
|
struct cd_mode_data data;
|
|
|
|
if(error = cd_get_mode(unit,&data,AUDIO_PAGE))
|
|
|
|
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;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case CDIOCSETVOL:
|
|
|
|
{
|
|
|
|
struct ioc_vol *arg = (struct ioc_vol *)addr;
|
|
|
|
struct cd_mode_data data;
|
|
|
|
if(error = cd_get_mode(unit,&data,AUDIO_PAGE))
|
|
|
|
break;
|
|
|
|
data.page.audio.port[LEFT_PORT].volume = arg->vol[LEFT_PORT];
|
|
|
|
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];
|
|
|
|
if(error = cd_set_mode(unit,&data))
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case CDIOCSETMONO:
|
|
|
|
{
|
|
|
|
struct ioc_vol *arg = (struct ioc_vol *)addr;
|
|
|
|
struct cd_mode_data data;
|
|
|
|
if(error = cd_get_mode(unit,&data,AUDIO_PAGE))
|
|
|
|
break;
|
|
|
|
data.page.audio.port[LEFT_PORT].channels = LEFT_CHANNEL|RIGHT_CHANNEL|4|8;
|
|
|
|
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;
|
|
|
|
if(error = cd_set_mode(unit,&data))
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case CDIOCSETSTERIO:
|
|
|
|
{
|
|
|
|
struct ioc_vol *arg = (struct ioc_vol *)addr;
|
|
|
|
struct cd_mode_data data;
|
|
|
|
if(error = cd_get_mode(unit,&data,AUDIO_PAGE))
|
|
|
|
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;
|
|
|
|
if(error = cd_set_mode(unit,&data))
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case CDIOCSETMUTE:
|
|
|
|
{
|
|
|
|
struct ioc_vol *arg = (struct ioc_vol *)addr;
|
|
|
|
struct cd_mode_data data;
|
|
|
|
if(error = cd_get_mode(unit,&data,AUDIO_PAGE))
|
|
|
|
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;
|
|
|
|
if(error = cd_set_mode(unit,&data))
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case CDIOCSETLEFT:
|
|
|
|
{
|
|
|
|
struct ioc_vol *arg = (struct ioc_vol *)addr;
|
|
|
|
struct cd_mode_data data;
|
|
|
|
if(error = cd_get_mode(unit,&data,AUDIO_PAGE))
|
|
|
|
break;
|
1993-08-20 09:23:30 +00:00
|
|
|
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;
|
1993-06-12 14:58:17 +00:00
|
|
|
if(error = cd_set_mode(unit,&data))
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case CDIOCSETRIGHT:
|
|
|
|
{
|
|
|
|
struct ioc_vol *arg = (struct ioc_vol *)addr;
|
|
|
|
struct cd_mode_data data;
|
|
|
|
if(error = cd_get_mode(unit,&data,AUDIO_PAGE))
|
|
|
|
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;
|
|
|
|
if(error = cd_set_mode(unit,&data))
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case CDIOCRESUME:
|
|
|
|
error = cd_pause(unit,1);
|
|
|
|
break;
|
|
|
|
case CDIOCPAUSE:
|
|
|
|
error = cd_pause(unit,0);
|
|
|
|
break;
|
|
|
|
case CDIOCSTART:
|
|
|
|
error = cd_start_unit(unit,part,CD_START);
|
|
|
|
break;
|
|
|
|
case CDIOCSTOP:
|
|
|
|
error = cd_start_unit(unit,part,CD_STOP);
|
|
|
|
break;
|
|
|
|
case CDIOCEJECT:
|
|
|
|
error = cd_start_unit(unit,part,CD_EJECT);
|
|
|
|
break;
|
|
|
|
case CDIOCSETDEBUG:
|
|
|
|
scsi_debug = 0xfff; cd_debug = 0xfff;
|
|
|
|
break;
|
|
|
|
case CDIOCCLRDEBUG:
|
|
|
|
scsi_debug = 0; cd_debug = 0;
|
|
|
|
break;
|
|
|
|
case CDIOCRESET:
|
|
|
|
return(cd_reset(unit));
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
error = ENOTTY;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
return (error);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/*******************************************************\
|
|
|
|
* Load the label information on the named device *
|
|
|
|
* *
|
|
|
|
* EVENTUALLY take information about different *
|
|
|
|
* data tracks from the TOC and put it in the disklabel *
|
|
|
|
\*******************************************************/
|
|
|
|
int cdgetdisklabel(unit)
|
|
|
|
unsigned char unit;
|
|
|
|
{
|
|
|
|
/*unsigned int n, m;*/
|
|
|
|
char *errstring;
|
|
|
|
struct dos_partition *dos_partition_p;
|
|
|
|
struct cd_data *cd = cd_data + unit;
|
|
|
|
|
|
|
|
/*******************************************************\
|
|
|
|
* If the inflo is already loaded, use it *
|
|
|
|
\*******************************************************/
|
|
|
|
if(cd->flags & CDHAVELABEL) return;
|
|
|
|
|
|
|
|
bzero(&cd->disklabel,sizeof(struct disklabel));
|
|
|
|
/*******************************************************\
|
|
|
|
* make partition 3 the whole disk in case of failure *
|
|
|
|
* then get pdinfo *
|
|
|
|
\*******************************************************/
|
|
|
|
strncpy(cd->disklabel.d_typename,"scsi cd_rom",16);
|
|
|
|
strncpy(cd->disklabel.d_packname,"ficticious",16);
|
|
|
|
cd->disklabel.d_secsize = cd->params.blksize; /* as long as it's not 0 */
|
|
|
|
cd->disklabel.d_nsectors = 100;
|
|
|
|
cd->disklabel.d_ntracks = 1;
|
|
|
|
cd->disklabel.d_ncylinders = (cd->params.disksize / 100) + 1;
|
|
|
|
cd->disklabel.d_secpercyl = 100;
|
|
|
|
cd->disklabel.d_secperunit = cd->params.disksize;
|
|
|
|
cd->disklabel.d_rpm = 300;
|
|
|
|
cd->disklabel.d_interleave = 1;
|
|
|
|
cd->disklabel.d_flags = D_REMOVABLE;
|
|
|
|
|
|
|
|
cd->disklabel.d_npartitions = 1;
|
|
|
|
cd->disklabel.d_partitions[0].p_offset = 0;
|
|
|
|
cd->disklabel.d_partitions[0].p_size = cd->params.disksize;
|
|
|
|
cd->disklabel.d_partitions[0].p_fstype = 9;
|
|
|
|
|
|
|
|
cd->disklabel.d_magic = DISKMAGIC;
|
|
|
|
cd->disklabel.d_magic2 = DISKMAGIC;
|
|
|
|
cd->disklabel.d_checksum = dkcksum(&(cd->disklabel));
|
|
|
|
|
|
|
|
/*******************************************************\
|
|
|
|
* Signal to other users and routines that we now have a *
|
|
|
|
* disklabel that represents the media (maybe) *
|
|
|
|
\*******************************************************/
|
|
|
|
cd->flags |= CDHAVELABEL;
|
|
|
|
return(ESUCCESS);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*******************************************************\
|
|
|
|
* Find out form the device what it's capacity is *
|
|
|
|
\*******************************************************/
|
|
|
|
cd_size(unit, flags)
|
|
|
|
{
|
|
|
|
struct scsi_read_cd_cap_data rdcap;
|
|
|
|
struct scsi_read_cd_capacity scsi_cmd;
|
|
|
|
int size;
|
|
|
|
int blksize;
|
|
|
|
|
|
|
|
/*******************************************************\
|
|
|
|
* make up a scsi command and ask the scsi driver to do *
|
|
|
|
* it for you. *
|
|
|
|
\*******************************************************/
|
|
|
|
bzero(&scsi_cmd, sizeof(scsi_cmd));
|
|
|
|
scsi_cmd.op_code = READ_CD_CAPACITY;
|
|
|
|
|
|
|
|
/*******************************************************\
|
|
|
|
* If the command works, interpret the result as a 4 byte*
|
|
|
|
* number of blocks *
|
|
|
|
\*******************************************************/
|
|
|
|
if (cd_scsi_cmd(unit,
|
|
|
|
&scsi_cmd,
|
|
|
|
sizeof(scsi_cmd),
|
|
|
|
&rdcap,
|
|
|
|
sizeof(rdcap),
|
|
|
|
2000,
|
|
|
|
flags) != 0)
|
|
|
|
{
|
|
|
|
printf("could not get size of unit %d\n", unit);
|
|
|
|
return(0);
|
|
|
|
} else {
|
|
|
|
size = rdcap.addr_0 + 1 ;
|
|
|
|
size += rdcap.addr_1 << 8;
|
|
|
|
size += rdcap.addr_2 << 16;
|
|
|
|
size += rdcap.addr_3 << 24;
|
|
|
|
blksize = rdcap.length_0 ;
|
|
|
|
blksize += rdcap.length_1 << 8;
|
|
|
|
blksize += rdcap.length_2 << 16;
|
|
|
|
blksize += rdcap.length_3 << 24;
|
|
|
|
}
|
|
|
|
if(cd_debug)printf("cd%d: %d %d byte blocks\n",unit,size,blksize);
|
|
|
|
cd_data[unit].params.disksize = size;
|
|
|
|
cd_data[unit].params.blksize = blksize;
|
|
|
|
return(size);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*******************************************************\
|
|
|
|
* Check with the device that it is ok, (via scsi driver)*
|
|
|
|
\*******************************************************/
|
|
|
|
cd_req_sense(unit, flags)
|
|
|
|
{
|
|
|
|
struct scsi_sense_data sense_data;
|
|
|
|
struct scsi_sense scsi_cmd;
|
|
|
|
|
|
|
|
bzero(&scsi_cmd, sizeof(scsi_cmd));
|
|
|
|
scsi_cmd.op_code = REQUEST_SENSE;
|
|
|
|
scsi_cmd.length = sizeof(sense_data);
|
|
|
|
|
|
|
|
if (cd_scsi_cmd(unit,
|
|
|
|
&scsi_cmd,
|
|
|
|
sizeof(scsi_cmd),
|
|
|
|
&sense_data,
|
|
|
|
sizeof(sense_data),
|
|
|
|
2000,
|
|
|
|
flags) != 0)
|
|
|
|
{
|
|
|
|
return(ENXIO);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
return(0);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*******************************************************\
|
|
|
|
* Get the requested page into the buffer given *
|
|
|
|
\*******************************************************/
|
|
|
|
cd_get_mode(unit,data,page)
|
|
|
|
int unit;
|
|
|
|
struct cd_mode_data *data;
|
|
|
|
int page;
|
|
|
|
{
|
|
|
|
struct scsi_mode_sense scsi_cmd;
|
|
|
|
int retval;
|
|
|
|
|
|
|
|
bzero(&scsi_cmd, sizeof(scsi_cmd));
|
|
|
|
bzero(data,sizeof(*data));
|
|
|
|
scsi_cmd.op_code = MODE_SENSE;
|
1993-08-20 09:23:30 +00:00
|
|
|
scsi_cmd.page = page;
|
1993-06-12 14:58:17 +00:00
|
|
|
scsi_cmd.length = sizeof(*data) & 0xff;
|
|
|
|
retval = cd_scsi_cmd(unit,
|
|
|
|
&scsi_cmd,
|
|
|
|
sizeof(scsi_cmd),
|
|
|
|
data,
|
|
|
|
sizeof(*data),
|
|
|
|
20000, /* should be immed */
|
|
|
|
0);
|
|
|
|
return (retval);
|
|
|
|
}
|
|
|
|
/*******************************************************\
|
|
|
|
* Get the requested page into the buffer given *
|
|
|
|
\*******************************************************/
|
|
|
|
cd_set_mode(unit,data)
|
|
|
|
int unit;
|
|
|
|
struct cd_mode_data *data;
|
|
|
|
{
|
|
|
|
struct scsi_mode_select scsi_cmd;
|
|
|
|
|
|
|
|
bzero(&scsi_cmd, sizeof(scsi_cmd));
|
|
|
|
scsi_cmd.op_code = MODE_SELECT;
|
1993-08-20 09:23:30 +00:00
|
|
|
scsi_cmd.byte2 |= SMS_PF;
|
1993-06-12 14:58:17 +00:00
|
|
|
scsi_cmd.length = sizeof(*data) & 0xff;
|
|
|
|
data->header.data_length = 0;
|
|
|
|
/*show_mem(data,sizeof(*data));/**/
|
|
|
|
return (cd_scsi_cmd(unit,
|
|
|
|
&scsi_cmd,
|
|
|
|
sizeof(scsi_cmd),
|
|
|
|
data,
|
|
|
|
sizeof(*data),
|
|
|
|
20000, /* should be immed */
|
|
|
|
0)
|
|
|
|
);
|
|
|
|
}
|
|
|
|
/*******************************************************\
|
|
|
|
* Get scsi driver to send a "start playing" command *
|
|
|
|
\*******************************************************/
|
|
|
|
cd_play(unit,blk,len)
|
|
|
|
int unit,blk,len;
|
|
|
|
{
|
|
|
|
struct scsi_play scsi_cmd;
|
|
|
|
int retval;
|
|
|
|
|
|
|
|
bzero(&scsi_cmd, sizeof(scsi_cmd));
|
|
|
|
scsi_cmd.op_code = PLAY;
|
|
|
|
scsi_cmd.blk_addr[0] = (blk >> 24) & 0xff;
|
|
|
|
scsi_cmd.blk_addr[1] = (blk >> 16) & 0xff;
|
|
|
|
scsi_cmd.blk_addr[2] = (blk >> 8) & 0xff;
|
|
|
|
scsi_cmd.blk_addr[3] = blk & 0xff;
|
|
|
|
scsi_cmd.xfer_len[0] = (len >> 8) & 0xff;
|
|
|
|
scsi_cmd.xfer_len[1] = len & 0xff;
|
|
|
|
retval = cd_scsi_cmd(unit,
|
|
|
|
&scsi_cmd,
|
|
|
|
sizeof(scsi_cmd),
|
|
|
|
0,
|
|
|
|
0,
|
|
|
|
200000, /* should be immed */
|
|
|
|
0);
|
|
|
|
return(retval);
|
|
|
|
}
|
|
|
|
/*******************************************************\
|
|
|
|
* Get scsi driver to send a "start playing" command *
|
|
|
|
\*******************************************************/
|
|
|
|
cd_play_big(unit,blk,len)
|
|
|
|
int unit,blk,len;
|
|
|
|
{
|
|
|
|
struct scsi_play_big scsi_cmd;
|
|
|
|
int retval;
|
|
|
|
|
|
|
|
bzero(&scsi_cmd, sizeof(scsi_cmd));
|
|
|
|
scsi_cmd.op_code = PLAY_BIG;
|
|
|
|
scsi_cmd.blk_addr[0] = (blk >> 24) & 0xff;
|
|
|
|
scsi_cmd.blk_addr[1] = (blk >> 16) & 0xff;
|
|
|
|
scsi_cmd.blk_addr[2] = (blk >> 8) & 0xff;
|
|
|
|
scsi_cmd.blk_addr[3] = blk & 0xff;
|
|
|
|
scsi_cmd.xfer_len[0] = (len >> 24) & 0xff;
|
|
|
|
scsi_cmd.xfer_len[1] = (len >> 16) & 0xff;
|
|
|
|
scsi_cmd.xfer_len[2] = (len >> 8) & 0xff;
|
|
|
|
scsi_cmd.xfer_len[3] = len & 0xff;
|
|
|
|
retval = cd_scsi_cmd(unit,
|
|
|
|
&scsi_cmd,
|
|
|
|
sizeof(scsi_cmd),
|
|
|
|
0,
|
|
|
|
0,
|
|
|
|
20000, /* should be immed */
|
|
|
|
0);
|
|
|
|
return(retval);
|
|
|
|
}
|
|
|
|
/*******************************************************\
|
|
|
|
* Get scsi driver to send a "start playing" command *
|
|
|
|
\*******************************************************/
|
|
|
|
cd_play_tracks(unit,strack,sindex,etrack,eindex)
|
|
|
|
int unit,strack,sindex,etrack,eindex;
|
|
|
|
{
|
|
|
|
struct scsi_play_track scsi_cmd;
|
|
|
|
int retval;
|
|
|
|
|
|
|
|
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;
|
|
|
|
retval = cd_scsi_cmd(unit,
|
|
|
|
&scsi_cmd,
|
|
|
|
sizeof(scsi_cmd),
|
|
|
|
0,
|
|
|
|
0,
|
|
|
|
20000, /* should be immed */
|
|
|
|
0);
|
|
|
|
return(retval);
|
|
|
|
}
|
|
|
|
/*******************************************************\
|
|
|
|
* Get scsi driver to send a "start up" command *
|
|
|
|
\*******************************************************/
|
|
|
|
cd_pause(unit,go)
|
|
|
|
int unit,go;
|
|
|
|
{
|
|
|
|
struct scsi_pause scsi_cmd;
|
|
|
|
|
|
|
|
bzero(&scsi_cmd, sizeof(scsi_cmd));
|
|
|
|
scsi_cmd.op_code = PAUSE;
|
|
|
|
scsi_cmd.resume = go;
|
|
|
|
|
|
|
|
return (cd_scsi_cmd(unit,
|
|
|
|
&scsi_cmd,
|
|
|
|
sizeof(scsi_cmd),
|
|
|
|
0,
|
|
|
|
0,
|
|
|
|
2000,
|
|
|
|
0));
|
|
|
|
}
|
|
|
|
/*******************************************************\
|
|
|
|
* Get scsi driver to send a "start up" command *
|
|
|
|
\*******************************************************/
|
|
|
|
cd_reset(unit)
|
|
|
|
int unit;
|
|
|
|
{
|
|
|
|
return(cd_scsi_cmd(unit,0,0,0,0,2000,SCSI_RESET));
|
|
|
|
}
|
|
|
|
/*******************************************************\
|
|
|
|
* Get scsi driver to send a "start up" command *
|
|
|
|
\*******************************************************/
|
|
|
|
cd_start_unit(unit,part,type)
|
|
|
|
{
|
|
|
|
struct scsi_start_stop scsi_cmd;
|
|
|
|
|
|
|
|
if(type==CD_EJECT && (cd_data[unit].openparts&~(1<<part)) == 0 ) {
|
|
|
|
cd_prevent_unit(unit,CD_EJECT,0);
|
|
|
|
}
|
|
|
|
|
|
|
|
bzero(&scsi_cmd, sizeof(scsi_cmd));
|
|
|
|
scsi_cmd.op_code = START_STOP;
|
1993-08-20 09:23:30 +00:00
|
|
|
scsi_cmd.how |= (type==CD_START)?SSS_START:0;
|
|
|
|
scsi_cmd.how |= (type==CD_EJECT)?SSS_LOEJ:0;
|
1993-06-12 14:58:17 +00:00
|
|
|
|
|
|
|
if (cd_scsi_cmd(unit,
|
|
|
|
&scsi_cmd,
|
|
|
|
sizeof(scsi_cmd),
|
|
|
|
0,
|
|
|
|
0,
|
|
|
|
2000,
|
|
|
|
0) != 0) {
|
|
|
|
return(ENXIO);
|
|
|
|
} else
|
|
|
|
return(0);
|
|
|
|
}
|
|
|
|
/*******************************************************\
|
|
|
|
* Prevent or allow the user to remove the disk *
|
|
|
|
\*******************************************************/
|
|
|
|
cd_prevent_unit(unit,type,flags)
|
|
|
|
int unit,type,flags;
|
|
|
|
{
|
|
|
|
struct scsi_prevent scsi_cmd;
|
|
|
|
|
|
|
|
if(type==CD_EJECT || type==PR_PREVENT || cd_data[unit].openparts == 0 ) {
|
|
|
|
bzero(&scsi_cmd, sizeof(scsi_cmd));
|
|
|
|
scsi_cmd.op_code = PREVENT_ALLOW;
|
1993-08-20 09:23:30 +00:00
|
|
|
scsi_cmd.how = (type==CD_EJECT)?PR_ALLOW:type;
|
1993-06-12 14:58:17 +00:00
|
|
|
if (cd_scsi_cmd(unit,
|
|
|
|
&scsi_cmd,
|
|
|
|
sizeof(struct scsi_prevent),
|
|
|
|
0,
|
|
|
|
0,
|
|
|
|
5000,
|
|
|
|
0) != 0)
|
|
|
|
{
|
|
|
|
if(!(flags & SCSI_SILENT))
|
|
|
|
printf("cannot prevent/allow on cd%d\n", unit);
|
|
|
|
return(0);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return(1);
|
|
|
|
}
|
|
|
|
|
|
|
|
/******************************************************\
|
|
|
|
* Read Subchannel *
|
|
|
|
\******************************************************/
|
|
|
|
|
|
|
|
cd_read_subchannel(unit,mode,format,track,data,len)
|
|
|
|
int unit,mode,format,len;
|
|
|
|
struct cd_sub_channel_info *data;
|
|
|
|
{
|
|
|
|
struct scsi_read_subchannel scsi_cmd;
|
|
|
|
int error;
|
|
|
|
|
|
|
|
bzero(&scsi_cmd,sizeof(scsi_cmd));
|
|
|
|
|
|
|
|
scsi_cmd.op_code=READ_SUBCHANNEL;
|
|
|
|
if(mode==CD_MSF_FORMAT)
|
1993-08-20 09:23:30 +00:00
|
|
|
scsi_cmd.byte2 |= CD_MSF;
|
|
|
|
scsi_cmd.byte3=SRS_SUBQ;
|
1993-06-12 14:58:17 +00:00
|
|
|
scsi_cmd.subchan_format=format;
|
|
|
|
scsi_cmd.track=track;
|
|
|
|
scsi_cmd.data_len[0]=(len)>>8;
|
|
|
|
scsi_cmd.data_len[1]=(len)&0xff;
|
|
|
|
return cd_scsi_cmd(unit,
|
|
|
|
&scsi_cmd,
|
|
|
|
sizeof(struct scsi_read_subchannel),
|
|
|
|
data,
|
|
|
|
len,
|
|
|
|
5000,
|
|
|
|
0);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*******************************************************\
|
|
|
|
* Read Table of contents *
|
|
|
|
\*******************************************************/
|
|
|
|
cd_read_toc(unit,mode,start,data,len)
|
|
|
|
int unit,mode,start,len;
|
|
|
|
struct cd_toc_entry *data;
|
|
|
|
{
|
|
|
|
struct scsi_read_toc scsi_cmd;
|
|
|
|
int error;
|
|
|
|
int ntoc;
|
|
|
|
|
|
|
|
bzero(&scsi_cmd,sizeof(scsi_cmd));
|
|
|
|
/*if(len!=sizeof(struct ioc_toc_header))
|
|
|
|
ntoc=((len)-sizeof(struct ioc_toc_header))/sizeof(struct cd_toc_entry);
|
|
|
|
else*/
|
|
|
|
ntoc=len;
|
|
|
|
|
|
|
|
scsi_cmd.op_code=READ_TOC;
|
|
|
|
if(mode==CD_MSF_FORMAT)
|
1993-08-20 09:23:30 +00:00
|
|
|
scsi_cmd.byte2 |= CD_MSF;
|
1993-06-12 14:58:17 +00:00
|
|
|
scsi_cmd.from_track=start;
|
|
|
|
scsi_cmd.data_len[0]=(ntoc)>>8;
|
|
|
|
scsi_cmd.data_len[1]=(ntoc)&0xff;
|
|
|
|
return cd_scsi_cmd(unit,
|
|
|
|
&scsi_cmd,
|
|
|
|
sizeof(struct scsi_read_toc),
|
|
|
|
data,
|
|
|
|
len,
|
|
|
|
5000,
|
|
|
|
0);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
#define b2tol(a) (((unsigned)(a##_1) << 8) + (unsigned)a##_0 )
|
|
|
|
|
|
|
|
/*******************************************************\
|
|
|
|
* Get the scsi driver to send a full inquiry to the *
|
|
|
|
* device and use the results to fill out the disk *
|
|
|
|
* parameter structure. *
|
|
|
|
\*******************************************************/
|
|
|
|
|
|
|
|
int cd_get_parms(unit, flags)
|
|
|
|
{
|
|
|
|
struct cd_data *cd = cd_data + unit;
|
|
|
|
|
|
|
|
/*******************************************************\
|
|
|
|
* First check if we have it all loaded *
|
|
|
|
\*******************************************************/
|
|
|
|
if(cd->flags & CDVALID) return(0);
|
|
|
|
/*******************************************************\
|
|
|
|
* give a number of sectors so that sec * trks * cyls *
|
|
|
|
* is <= disk_size *
|
|
|
|
\*******************************************************/
|
|
|
|
if(cd_size(unit, flags))
|
|
|
|
{
|
|
|
|
cd->flags |= CDVALID;
|
|
|
|
return(0);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
return(ENXIO);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/*******************************************************\
|
|
|
|
* close the device.. only called if we are the LAST *
|
|
|
|
* occurence of an open device *
|
|
|
|
\*******************************************************/
|
|
|
|
cdclose(dev)
|
|
|
|
dev_t dev;
|
|
|
|
{
|
|
|
|
unsigned char unit, part;
|
|
|
|
unsigned int old_priority;
|
|
|
|
|
|
|
|
unit = UNIT(dev);
|
|
|
|
part = PARTITION(dev);
|
|
|
|
if(scsi_debug & TRACEOPENS)
|
|
|
|
printf("closing cd%d part %d\n",unit,part);
|
|
|
|
cd_data[unit].partflags[part] &= ~CDOPEN;
|
|
|
|
cd_data[unit].openparts &= ~(1 << part);
|
|
|
|
cd_prevent_unit(unit,PR_ALLOW,SCSI_SILENT);
|
|
|
|
return(0);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*******************************************************\
|
|
|
|
* ask the scsi driver to perform a command for us. *
|
|
|
|
* Call it through the switch table, and tell it which *
|
|
|
|
* sub-unit we want, and what target and lu we wish to *
|
|
|
|
* talk to. Also tell it where to find the command *
|
|
|
|
* how long int is. *
|
|
|
|
* Also tell it where to read/write the data, and how *
|
|
|
|
* long the data is supposed to be *
|
|
|
|
\*******************************************************/
|
|
|
|
int cd_scsi_cmd(unit,scsi_cmd,cmdlen,data_addr,datalen,timeout,flags)
|
|
|
|
|
|
|
|
int unit,flags;
|
|
|
|
struct scsi_generic *scsi_cmd;
|
|
|
|
int cmdlen;
|
|
|
|
int timeout;
|
|
|
|
u_char *data_addr;
|
|
|
|
int datalen;
|
|
|
|
{
|
|
|
|
struct scsi_xfer *xs;
|
|
|
|
int retval;
|
|
|
|
int s;
|
|
|
|
struct cd_data *cd = cd_data + unit;
|
|
|
|
|
|
|
|
if(scsi_debug & PRINTROUTINES) printf("\ncd_scsi_cmd%d ",unit);
|
|
|
|
if(cd->sc_sw) /* If we have a scsi driver */
|
|
|
|
{
|
|
|
|
xs = cd_get_xs(unit,flags); /* should wait unless booting */
|
|
|
|
if(!xs)
|
|
|
|
{
|
|
|
|
printf("cd_scsi_cmd%d: controller busy"
|
|
|
|
" (this should never happen)\n",unit);
|
|
|
|
return(EBUSY);
|
|
|
|
}
|
|
|
|
xs->flags |= INUSE;
|
|
|
|
/*******************************************************\
|
|
|
|
* Fill out the scsi_xfer structure *
|
|
|
|
\*******************************************************/
|
|
|
|
xs->flags |= flags;
|
|
|
|
xs->adapter = cd->ctlr;
|
|
|
|
xs->targ = cd->targ;
|
|
|
|
xs->lu = cd->lu;
|
|
|
|
xs->retries = CD_RETRIES;
|
|
|
|
xs->timeout = timeout;
|
|
|
|
xs->cmd = scsi_cmd;
|
|
|
|
xs->cmdlen = cmdlen;
|
|
|
|
xs->data = data_addr;
|
|
|
|
xs->datalen = datalen;
|
|
|
|
xs->resid = datalen;
|
|
|
|
xs->when_done = (flags & SCSI_NOMASK)
|
|
|
|
?(int (*)())0
|
|
|
|
:cd_done;
|
|
|
|
xs->done_arg = unit;
|
|
|
|
xs->done_arg2 = (int)xs;
|
|
|
|
retry: xs->error = XS_NOERROR;
|
|
|
|
xs->bp = 0;
|
|
|
|
retval = (*(cd->sc_sw->scsi_cmd))(xs);
|
|
|
|
switch(retval)
|
|
|
|
{
|
|
|
|
case SUCCESSFULLY_QUEUED:
|
|
|
|
s = splbio();
|
|
|
|
while(!(xs->flags & ITSDONE))
|
|
|
|
sleep(xs,PRIBIO+1);
|
|
|
|
splx(s);
|
|
|
|
|
|
|
|
case HAD_ERROR:
|
|
|
|
/*printf("err = %d ",xs->error);*/
|
|
|
|
switch(xs->error)
|
|
|
|
{
|
|
|
|
case XS_NOERROR:
|
|
|
|
retval = ESUCCESS;
|
|
|
|
break;
|
|
|
|
case XS_SENSE:
|
|
|
|
retval = (cd_interpret_sense(unit,xs));
|
|
|
|
break;
|
|
|
|
case XS_DRIVER_STUFFUP:
|
|
|
|
retval = EIO;
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
|
|
case XS_BUSY:
|
|
|
|
case XS_TIMEOUT:
|
|
|
|
if(xs->retries-- )
|
|
|
|
{
|
|
|
|
xs->flags &= ~ITSDONE;
|
|
|
|
goto retry;
|
|
|
|
}
|
|
|
|
retval = EIO;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
retval = EIO;
|
|
|
|
printf("cd%d: unknown error category from scsi driver\n"
|
|
|
|
,unit);
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case COMPLETE:
|
|
|
|
retval = ESUCCESS;
|
|
|
|
break;
|
|
|
|
case TRY_AGAIN_LATER:
|
|
|
|
if(xs->retries-- )
|
|
|
|
{
|
|
|
|
if(tsleep( 0,PRIBIO + 2,"retry",hz * 2))
|
|
|
|
{
|
|
|
|
xs->flags &= ~ITSDONE;
|
|
|
|
goto retry;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
retval = EIO;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
retval = EIO;
|
|
|
|
}
|
|
|
|
cd_free_xs(unit,xs,flags);
|
|
|
|
cdstart(unit); /* check if anything is waiting fr the xs */
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
printf("cd%d: not set up\n",unit);
|
|
|
|
return(EINVAL);
|
|
|
|
}
|
|
|
|
return(retval);
|
|
|
|
}
|
|
|
|
/***************************************************************\
|
|
|
|
* Look at the returned sense and act on the error and detirmine *
|
|
|
|
* The unix error number to pass back... (0 = report no error) *
|
|
|
|
\***************************************************************/
|
|
|
|
|
|
|
|
int cd_interpret_sense(unit,xs)
|
|
|
|
int unit;
|
|
|
|
struct scsi_xfer *xs;
|
|
|
|
{
|
|
|
|
struct scsi_sense_data *sense;
|
|
|
|
int key;
|
|
|
|
int silent;
|
|
|
|
|
|
|
|
/***************************************************************\
|
|
|
|
* If the flags say errs are ok, then always return ok. *
|
|
|
|
\***************************************************************/
|
|
|
|
if (xs->flags & SCSI_ERR_OK) return(ESUCCESS);
|
|
|
|
silent = (xs->flags & SCSI_SILENT);
|
|
|
|
|
|
|
|
sense = &(xs->sense);
|
1993-08-20 09:23:30 +00:00
|
|
|
switch(sense->error_code & SSD_ERRCODE)
|
1993-06-12 14:58:17 +00:00
|
|
|
{
|
1993-08-20 09:23:30 +00:00
|
|
|
case 0x70:
|
1993-06-12 14:58:17 +00:00
|
|
|
{
|
1993-08-20 09:23:30 +00:00
|
|
|
key=sense->ext.extended.flags & SSD_KEY;
|
1993-06-12 14:58:17 +00:00
|
|
|
switch(key)
|
|
|
|
{
|
|
|
|
case 0x0:
|
|
|
|
return(ESUCCESS);
|
|
|
|
case 0x1:
|
|
|
|
if(!silent)
|
|
|
|
{
|
|
|
|
printf("cd%d: soft error(corrected) ", unit);
|
1993-08-20 09:23:30 +00:00
|
|
|
if(sense->error_code & SSD_ERRCODE_VALID)
|
1993-06-12 14:58:17 +00:00
|
|
|
{
|
|
|
|
printf("block no. %d (decimal)",
|
|
|
|
(sense->ext.extended.info[0] <<24)|
|
|
|
|
(sense->ext.extended.info[1] <<16)|
|
|
|
|
(sense->ext.extended.info[2] <<8)|
|
|
|
|
(sense->ext.extended.info[3] ));
|
|
|
|
}
|
|
|
|
printf("\n");
|
|
|
|
}
|
|
|
|
return(ESUCCESS);
|
|
|
|
case 0x2:
|
|
|
|
if(!silent)printf("cd%d: not ready\n ",
|
|
|
|
unit);
|
|
|
|
return(ENODEV);
|
|
|
|
case 0x3:
|
|
|
|
if(!silent)
|
|
|
|
{
|
|
|
|
printf("cd%d: medium error ", unit);
|
1993-08-20 09:23:30 +00:00
|
|
|
if(sense->error_code & SSD_ERRCODE_VALID)
|
1993-06-12 14:58:17 +00:00
|
|
|
{
|
|
|
|
printf("block no. %d (decimal)",
|
|
|
|
(sense->ext.extended.info[0] <<24)|
|
|
|
|
(sense->ext.extended.info[1] <<16)|
|
|
|
|
(sense->ext.extended.info[2] <<8)|
|
|
|
|
(sense->ext.extended.info[3] ));
|
|
|
|
}
|
|
|
|
printf("\n");
|
|
|
|
}
|
|
|
|
return(EIO);
|
|
|
|
case 0x4:
|
|
|
|
if(!silent)printf("cd%d: non-media hardware failure\n ",
|
|
|
|
unit);
|
|
|
|
return(EIO);
|
|
|
|
case 0x5:
|
|
|
|
if(!silent)printf("cd%d: illegal request\n ",
|
|
|
|
unit);
|
|
|
|
return(EINVAL);
|
|
|
|
case 0x6:
|
|
|
|
if(!silent)printf("cd%d: Unit attention.\n ", unit);
|
|
|
|
if (cd_data[unit].openparts)
|
|
|
|
cd_data[unit].flags &= ~(CDVALID | CDHAVELABEL);
|
|
|
|
{
|
|
|
|
return(EIO);
|
|
|
|
}
|
|
|
|
return(ESUCCESS);
|
|
|
|
case 0x7:
|
|
|
|
if(!silent)
|
|
|
|
{
|
|
|
|
printf("cd%d: attempted protection violation ",
|
|
|
|
unit);
|
1993-08-20 09:23:30 +00:00
|
|
|
if(sense->error_code & SSD_ERRCODE_VALID)
|
1993-06-12 14:58:17 +00:00
|
|
|
{
|
|
|
|
printf("block no. %d (decimal)\n",
|
|
|
|
(sense->ext.extended.info[0] <<24)|
|
|
|
|
(sense->ext.extended.info[1] <<16)|
|
|
|
|
(sense->ext.extended.info[2] <<8)|
|
|
|
|
(sense->ext.extended.info[3] ));
|
|
|
|
}
|
|
|
|
printf("\n");
|
|
|
|
}
|
|
|
|
return(EACCES);
|
|
|
|
case 0x8:
|
|
|
|
if(!silent)
|
|
|
|
{
|
|
|
|
printf("cd%d: block wrong state (worm)\n ",
|
|
|
|
unit);
|
1993-08-20 09:23:30 +00:00
|
|
|
if(sense->error_code & SSD_ERRCODE_VALID)
|
1993-06-12 14:58:17 +00:00
|
|
|
{
|
|
|
|
printf("block no. %d (decimal)\n",
|
|
|
|
(sense->ext.extended.info[0] <<24)|
|
|
|
|
(sense->ext.extended.info[1] <<16)|
|
|
|
|
(sense->ext.extended.info[2] <<8)|
|
|
|
|
(sense->ext.extended.info[3] ));
|
|
|
|
}
|
|
|
|
printf("\n");
|
|
|
|
}
|
|
|
|
return(EIO);
|
|
|
|
case 0x9:
|
|
|
|
if(!silent)printf("cd%d: vendor unique\n",
|
|
|
|
unit);
|
|
|
|
return(EIO);
|
|
|
|
case 0xa:
|
|
|
|
if(!silent)printf("cd%d: copy aborted\n ",
|
|
|
|
unit);
|
|
|
|
return(EIO);
|
|
|
|
case 0xb:
|
|
|
|
if(!silent)printf("cd%d: command aborted\n ",
|
|
|
|
unit);
|
|
|
|
return(EIO);
|
|
|
|
case 0xc:
|
|
|
|
if(!silent)
|
|
|
|
{
|
|
|
|
printf("cd%d: search returned\n ",
|
|
|
|
unit);
|
1993-08-20 09:23:30 +00:00
|
|
|
if(sense->error_code & SSD_ERRCODE_VALID)
|
1993-06-12 14:58:17 +00:00
|
|
|
{
|
|
|
|
printf("block no. %d (decimal)\n",
|
|
|
|
(sense->ext.extended.info[0] <<24)|
|
|
|
|
(sense->ext.extended.info[1] <<16)|
|
|
|
|
(sense->ext.extended.info[2] <<8)|
|
|
|
|
(sense->ext.extended.info[3] ));
|
|
|
|
}
|
|
|
|
printf("\n");
|
|
|
|
}
|
|
|
|
return(ESUCCESS);
|
|
|
|
case 0xd:
|
|
|
|
if(!silent)printf("cd%d: volume overflow\n ",
|
|
|
|
unit);
|
|
|
|
return(ENOSPC);
|
|
|
|
case 0xe:
|
|
|
|
if(!silent)
|
|
|
|
{
|
|
|
|
printf("cd%d: verify miscompare\n ",
|
|
|
|
unit);
|
1993-08-20 09:23:30 +00:00
|
|
|
if(sense->error_code & SSD_ERRCODE_VALID)
|
1993-06-12 14:58:17 +00:00
|
|
|
{
|
|
|
|
printf("block no. %d (decimal)\n",
|
|
|
|
(sense->ext.extended.info[0] <<24)|
|
|
|
|
(sense->ext.extended.info[1] <<16)|
|
|
|
|
(sense->ext.extended.info[2] <<8)|
|
|
|
|
(sense->ext.extended.info[3] ));
|
|
|
|
}
|
|
|
|
printf("\n");
|
|
|
|
}
|
|
|
|
return(EIO);
|
|
|
|
case 0xf:
|
|
|
|
if(!silent)printf("cd%d: unknown error key\n ",
|
|
|
|
unit);
|
|
|
|
return(EIO);
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
}
|
1993-08-20 09:23:30 +00:00
|
|
|
default:
|
1993-06-12 14:58:17 +00:00
|
|
|
{
|
1993-08-20 09:23:30 +00:00
|
|
|
if(!silent)printf("cd%d: error code %d\n",
|
1993-06-12 14:58:17 +00:00
|
|
|
unit,
|
1993-08-20 09:23:30 +00:00
|
|
|
sense->error_code & SSD_ERRCODE);
|
|
|
|
if(sense->error_code & SSD_ERRCODE_VALID)
|
1993-06-12 14:58:17 +00:00
|
|
|
if(!silent)printf("block no. %d (decimal)\n",
|
|
|
|
(sense->ext.unextended.blockhi <<16)
|
|
|
|
+ (sense->ext.unextended.blockmed <<8)
|
|
|
|
+ (sense->ext.unextended.blocklow ));
|
|
|
|
}
|
|
|
|
return(EIO);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
int
|
|
|
|
cdsize(dev_t dev)
|
|
|
|
{
|
|
|
|
return (-1);
|
|
|
|
}
|
|
|
|
|
|
|
|
show_mem(address,num)
|
|
|
|
unsigned char *address;
|
|
|
|
int num;
|
|
|
|
{
|
|
|
|
int x,y;
|
|
|
|
printf("------------------------------");
|
|
|
|
for (y = 0; y<num; y += 1)
|
|
|
|
{
|
|
|
|
if(!(y % 16))
|
|
|
|
printf("\n%03d: ",y);
|
|
|
|
printf("%02x ",*address++);
|
|
|
|
}
|
|
|
|
printf("\n------------------------------\n");
|
|
|
|
}
|
|
|
|
|