1407 lines
37 KiB
C
1407 lines
37 KiB
C
/*
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* Copyright (c) 1990 University of Utah.
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* Copyright (c) 1990 The Regents of the University of California.
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* All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* the Systems Programming Group of the University of Utah Computer
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* Science Department.
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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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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR 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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* from: Utah Hdr: st.c 1.8 90/10/14
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* from: @(#)st.c 7.3 (Berkeley) 5/4/91
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* $Id: st.c,v 1.7 1994/05/11 10:16:21 mycroft Exp $
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*/
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/*
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* SCSI CCS (Command Command Set) tape driver.
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*
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* Specific to Exabyte:
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* mt status: residual="Mbytes to LEOM"
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* minor bit 4 [b1bbbb] (aka /dev/rst16) selects short filemarks
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* minor bit 5 [1bbbbb] (aka /dev/rst32) selects fix block mode, 1k blocks.
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*
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* Archive drive:
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* can read both QIC-24 and QIC-II. But only writes
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* QIC-24.
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*
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* Supports Archive Viper QIC-150 tape drive, but scsi.c reports selection
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* errors.
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*
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* Supports Archive Python DAT drive, but will sometimes hang machine.
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*
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* Supports HP 35450A DAT drive, but will sometimes hang machine.
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* Partitioning of tape not supported.
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* Vendor unique support has not been added.
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*
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*
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* Supports Archive VIPER (QIC-150).
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* Mostly Supports Archive PYTHON (DAT).
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* Hangs if write after spin down.
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* Need scsi.c that does connect/disconnect.
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*/
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/*
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* support for the block device not implemented
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*/
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#include "st.h"
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#if NST > 0
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/buf.h>
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#include <sys/file.h>
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#include <sys/proc.h>
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#include <sys/ioctl.h>
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#include <sys/tty.h>
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#include <sys/mtio.h>
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#include <sys/kernel.h>
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#include <sys/tprintf.h>
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#include <hp300/dev/device.h>
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#include <hp300/dev/scsireg.h>
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#include <hp300/dev/stvar.h>
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#define ADD_DELAY
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extern int scsi_test_unit_rdy();
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extern int scsi_request_sense();
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extern int scsiustart();
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extern int scsigo();
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extern void scsifree();
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extern void scsireset();
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extern void scsi_delay();
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extern int scsi_tt_oddio();
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extern int scsi_immed_command();
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int stinit(), ststart(), stgo(), stintr();
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struct driver stdriver = {
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stinit, "st", ststart, stgo, stintr,
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};
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struct st_softc {
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struct hp_device *sc_hd;
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struct devqueue sc_dq;
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long sc_blkno; /* (possible block device support?) */
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long sc_resid; /* (possible block device support?) */
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int sc_flags;
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int sc_blklen; /* 0 = variable len records */
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int sc_filepos; /* file position on tape */
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long sc_numblks; /* number of blocks on tape */
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short sc_type; /* ansi scsi type */
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short sc_punit; /* physical unit (scsi lun) */
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short sc_tapeid; /* tape drive id */
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char sc_datalen[32]; /* additional data length on some commands */
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short sc_tticntdwn; /* interrupts between TTi display updates */
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tpr_t sc_ctty;
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struct buf *sc_bp;
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u_char sc_cmd;
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} st_softc[NST];
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/* softc flags */
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#define STF_ALIVE 0x0001
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#define STF_OPEN 0x0002
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#define STF_WMODE 0x0004
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#define STF_WRTTN 0x0008
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#define STF_CMD 0x0010
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#define STF_LEOT 0x0020
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#define STF_MOVED 0x0040
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struct st_mode st_mode[NST];
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/*
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* Maybe this should not be global, but gives chance to get
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* tape remaining, Rewrites/ECC, etc outside the driver
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*/
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static struct st_xsense {
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struct scsi_xsense sc_xsense; /* data from sense */
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struct exb_xsense exb_xsense; /* additional info from exabyte */
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} st_xsense[NST];
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static struct scsi_fmt_cdb stcmd[NST];
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static struct scsi_fmt_cdb st_read_cmd = { 6, CMD_READ };
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static struct scsi_fmt_cdb st_write_cmd = { 6, CMD_WRITE };
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struct buf sttab[NST];
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struct buf stbuf[NST];
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#define UNIT(x) (minor(x) & 3)
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#define stpunit(x) ((x) & 7)
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#define STDEV_NOREWIND 0x04
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#define STDEV_HIDENSITY 0x08
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#define STDEV_EXSFMK 0x10
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#define STDEV_FIXEDBLK 0x20
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#ifdef DEBUG
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int st_debug = 0x0000;
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#define ST_OPEN 0x0001
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#define ST_GO 0x0002
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#define ST_FMKS 0x0004
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#define ST_OPENSTAT 0x0008
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#define ST_BRESID 0x0010
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#define ST_ODDIO 0x0020
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#endif
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/*
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* Patchable variable. If an even length read is requested a dma transfer is
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* used. Only after the read will we find out if the read had an odd number
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* of bytes. The HP98658 hardware cannot do odd length transfers, the last
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* byte of the data will always be 0x00. Normally, the driver will complain
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* about such transfers and return EIO. However, if st_dmaoddretry is non-
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* zero, the driver will try and issue a BSR and then re-read the data using
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* 'programmed transfer mode'. In most cases this works, however for unknown
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* reasons it will hang the machine in certain cases.
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*
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* Note:
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* Odd length read requests are always done using programmed transfer mode.
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*/
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int st_dmaoddretry = 0;
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/*
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* Exabyte only:
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* From adb can have access to fixed vs. variable length modes.
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* Use 0x400 for 1k (best capacity) fixed length records.
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* In st_open, if minor bit 4 set then 1k records are used.
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* If st_exblken is set to anything other then 0 we are in fixed length mode.
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* Minor bit 4 overrides any setting of st_exblklen.
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*
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*/
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int st_exblklen = 0;
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/* exabyte here for adb access, set at open time */
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#define EX_CT 0x80 /* international cart - more space W/P6 */
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#define EX_ND 0x20 /* no disconnect */
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#define EX_NBE 0x08 /* no busy enable */
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#define EX_EBD 0x04 /* even byte disconnect */
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#define EX_PE 0x02 /* parity enable */
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#define EX_NAL 0x01 /* no auto load */
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int st_exvup = (EX_CT|EX_ND|EX_NBE); /* vendor unique parameters */
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/*
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* motion and reconnect thresholds guidelines:
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* write operation; lower motion threshold for faster transfer
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* raise reconnect threshold for slower transfer
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* read operation; lower motion threshold for slower transfer
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* raise reconnect threshold for faster transfer
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*/
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int st_exmotthr = 0x80; /* motion threshold, 0x80 default */
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int st_exreconthr = 0xa0; /* reconnect threshold, 0xa0 default */
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int st_exgapthr = 7; /* gap threshold, 7 default */
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#ifdef TTI
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int st_extti = 0x01; /* bitmask of unit numbers, do extra */
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/* sensing so TTi display gets updated */
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#endif
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stinit(hd)
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register struct hp_device *hd;
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{
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register struct st_softc *sc = &st_softc[hd->hp_unit];
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register struct buf *bp;
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for (bp = sttab; bp < &sttab[NST]; bp++)
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bp->b_actb = &bp->b_actf;
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sc->sc_hd = hd;
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sc->sc_punit = stpunit(hd->hp_flags);
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sc->sc_type = stident(sc, hd);
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if (sc->sc_type < 0)
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return(0);
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sc->sc_dq.dq_ctlr = hd->hp_ctlr;
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sc->sc_dq.dq_unit = hd->hp_unit;
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sc->sc_dq.dq_slave = hd->hp_slave;
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sc->sc_dq.dq_driver = &stdriver;
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sc->sc_blkno = 0;
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sc->sc_flags = STF_ALIVE;
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return(1);
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}
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stident(sc, hd)
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register struct st_softc *sc;
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register struct hp_device *hd;
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{
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int unit;
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int ctlr, slave;
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int i, stat, inqlen;
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char idstr[32];
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#ifdef ADD_DELAY
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static int havest = 0;
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#endif
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struct st_inquiry {
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struct scsi_inquiry inqbuf;
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struct exb_inquiry exb_inquiry;
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} st_inqbuf;
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static struct scsi_fmt_cdb st_inq = {
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6,
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CMD_INQUIRY, 0, 0, 0, sizeof(st_inqbuf), 0
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};
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ctlr = hd->hp_ctlr;
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slave = hd->hp_slave;
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unit = sc->sc_punit;
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scsi_delay(-1);
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inqlen = 0x05; /* min */
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st_inq.cdb[4] = 0x05;
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stat = scsi_immed_command(ctlr, slave, unit, &st_inq,
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(u_char *)&st_inqbuf, inqlen, B_READ);
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/* do twice as first command on some scsi tapes always fails */
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stat = scsi_immed_command(ctlr, slave, unit, &st_inq,
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(u_char *)&st_inqbuf, inqlen, B_READ);
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if (stat == -1)
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goto failed;
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if (st_inqbuf.inqbuf.type != 0x01 || /* sequential access device */
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st_inqbuf.inqbuf.qual != 0x80 || /* removable media */
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(st_inqbuf.inqbuf.version != 0x01 && /* current ANSI SCSI spec */
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st_inqbuf.inqbuf.version != 0x02)) /* 0x02 is for HP DAT */
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goto failed;
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/* now get additonal info */
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inqlen = 0x05 + st_inqbuf.inqbuf.len;
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st_inq.cdb[4] = inqlen;
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bzero(&st_inqbuf, sizeof(st_inqbuf));
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stat = scsi_immed_command(ctlr, slave, unit, &st_inq,
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(u_char *)&st_inqbuf, inqlen, B_READ);
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if (st_inqbuf.inqbuf.len >= 28) {
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bcopy((caddr_t)&st_inqbuf.inqbuf.vendor_id, (caddr_t)idstr, 28);
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for (i = 27; i > 23; --i)
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if (idstr[i] != ' ')
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break;
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idstr[i+1] = 0;
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for (i = 23; i > 7; --i)
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if (idstr[i] != ' ')
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break;
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idstr[i+1] = 0;
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for (i = 7; i >= 0; --i)
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if (idstr[i] != ' ')
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break;
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idstr[i+1] = 0;
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printf("st%d: %s %s rev %s\n", hd->hp_unit, idstr, &idstr[8],
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&idstr[24]);
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} else if (inqlen == 5)
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/* great it's a stupid device, doesn't know it's know name */
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idstr[0] = idstr[8] = '\0';
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else
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idstr[8] = '\0';
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if (stat == 0xff) {
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printf("st%d: Cant handle this tape drive\n", hd->hp_unit);
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goto failed;
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}
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if (bcmp("EXB-8200", &idstr[8], 8) == 0) {
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sc->sc_tapeid = MT_ISEXABYTE;
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sc->sc_datalen[CMD_REQUEST_SENSE] = 26;
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sc->sc_datalen[CMD_INQUIRY] = 52;
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sc->sc_datalen[CMD_MODE_SELECT] = 17;
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sc->sc_datalen[CMD_MODE_SENSE] = 17;
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} else if (bcmp("VIPER 150", &idstr[8], 9) == 0) {
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sc->sc_tapeid = MT_ISVIPER1;
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sc->sc_datalen[CMD_REQUEST_SENSE] = 14;
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sc->sc_datalen[CMD_INQUIRY] = 36;
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sc->sc_datalen[CMD_MODE_SELECT] = 12;
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sc->sc_datalen[CMD_MODE_SENSE] = 12;
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} else if (bcmp("Python 25501", &idstr[8], 12) == 0) {
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sc->sc_tapeid = MT_ISPYTHON;
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sc->sc_datalen[CMD_REQUEST_SENSE] = 14;
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sc->sc_datalen[CMD_INQUIRY] = 36;
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sc->sc_datalen[CMD_MODE_SELECT] = 12;
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sc->sc_datalen[CMD_MODE_SENSE] = 12;
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} else if (bcmp("HP35450A", &idstr[8], 8) == 0) {
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/* XXX "extra" stat makes the HP drive happy at boot time */
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stat = scsi_test_unit_rdy(ctlr, slave, unit);
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sc->sc_tapeid = MT_ISHPDAT;
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sc->sc_datalen[CMD_REQUEST_SENSE] = 14;
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sc->sc_datalen[CMD_INQUIRY] = 36;
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sc->sc_datalen[CMD_MODE_SELECT] = 12;
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sc->sc_datalen[CMD_MODE_SENSE] = 12;
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} else {
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if (idstr[8] == '\0')
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printf("st%d: No ID, assuming Archive\n", hd->hp_unit);
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else
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printf("st%d: Unsupported tape device\n", hd->hp_unit);
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sc->sc_tapeid = MT_ISAR;
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sc->sc_datalen[CMD_REQUEST_SENSE] = 8;
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sc->sc_datalen[CMD_INQUIRY] = 5;
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sc->sc_datalen[CMD_MODE_SELECT] = 12;
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sc->sc_datalen[CMD_MODE_SENSE] = 12;
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}
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sc->sc_filepos = 0;
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/* load xsense */
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stxsense(ctlr, slave, unit, sc);
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scsi_delay(0);
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#ifdef ADD_DELAY
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/* XXX if we have a tape, we must up the delays in the HA driver */
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if (!havest) {
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havest = 1;
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scsi_delay(20000);
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}
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#endif
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return(st_inqbuf.inqbuf.type);
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failed:
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scsi_delay(0);
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return(-1);
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}
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stopen(dev, flag, type, p)
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dev_t dev;
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int flag, type;
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struct proc *p;
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{
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register struct st_softc *sc = &st_softc[UNIT(dev)];
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register struct st_xsense *xsense;
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register int count;
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register int stat;
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int ctlr, slave, unit;
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struct mode_select_data msd;
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struct mode_sense mode;
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int modlen;
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static struct scsi_fmt_cdb modsel = {
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6,
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CMD_MODE_SELECT, 0, 0, 0, sizeof(msd), 0
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};
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static struct scsi_fmt_cdb unitready = {
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6,
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CMD_TEST_UNIT_READY, 0, 0, 0, 0, 0
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};
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static struct scsi_fmt_cdb modsense = {
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6,
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CMD_MODE_SENSE, 0, 0, 0, sizeof(mode), 0
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};
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|
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ctlr = sc->sc_dq.dq_ctlr;
|
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slave = sc->sc_dq.dq_slave;
|
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unit = sc->sc_punit;
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xsense = &st_xsense[UNIT(dev)];
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|
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if (UNIT(dev) > NST || (sc->sc_flags & STF_ALIVE) == 0)
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return(ENXIO);
|
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if (sc->sc_flags & STF_OPEN)
|
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return(EBUSY);
|
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|
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/* do a mode sense to get current */
|
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modlen = sc->sc_datalen[CMD_MODE_SENSE];
|
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modsense.cdb[4] = modlen;
|
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stat = scsi_immed_command(ctlr, slave, unit, &modsense,
|
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(u_char *)&mode, modlen, B_READ);
|
|
|
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/* do a mode sense to get current */
|
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modlen = sc->sc_datalen[CMD_MODE_SENSE];
|
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modsense.cdb[4] = modlen;
|
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stat = scsi_immed_command(ctlr, slave, unit, &modsense,
|
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(u_char *)&mode, modlen, B_READ);
|
|
|
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/* set record length */
|
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switch (sc->sc_tapeid) {
|
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case MT_ISAR:
|
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sc->sc_blklen = 512;
|
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break;
|
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case MT_ISEXABYTE:
|
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if (minor(dev) & STDEV_FIXEDBLK)
|
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sc->sc_blklen = 0x400;
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else
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sc->sc_blklen = st_exblklen;
|
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break;
|
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case MT_ISHPDAT:
|
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sc->sc_blklen = 512;
|
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break;
|
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case MT_ISVIPER1:
|
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sc->sc_blklen = 512;
|
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break;
|
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case MT_ISPYTHON:
|
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sc->sc_blklen = 512;
|
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break;
|
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default:
|
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if ((mode.md.blklen2 << 16 |
|
|
mode.md.blklen1 << 8 |
|
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mode.md.blklen0) != 0)
|
|
sc->sc_blklen = mode.md.blklen2 << 16 |
|
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mode.md.blklen1 << 8 |
|
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mode.md.blklen0;
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else
|
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sc->sc_blklen = 512;
|
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}
|
|
|
|
/* setup for mode select */
|
|
msd.rsvd1 = 0;
|
|
msd.rsvd2 = 0;
|
|
msd.rsvd3 = 0;
|
|
msd.buff = 1;
|
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msd.speed = 0;
|
|
msd.blkdeslen = 0x08;
|
|
msd.density = 0;
|
|
msd.blks2 = 0;
|
|
msd.blks1 = 0;
|
|
msd.blks0 = 0;
|
|
msd.rsvd4 = 0;
|
|
msd.blklen2 = (sc->sc_blklen >> 16) & 0xff;
|
|
msd.blklen1 = (sc->sc_blklen >> 8) & 0xff;
|
|
msd.blklen0 = sc->sc_blklen & 0xff;
|
|
|
|
switch (sc->sc_tapeid) {
|
|
case MT_ISAR:
|
|
if (minor(dev) & STDEV_HIDENSITY)
|
|
msd.density = 0x5;
|
|
else {
|
|
if (flag & FWRITE) {
|
|
uprintf("Can only write QIC-24\n");
|
|
return(EIO);
|
|
}
|
|
msd.density = 0x4;
|
|
}
|
|
break;
|
|
case MT_ISEXABYTE:
|
|
if (minor(dev) & STDEV_HIDENSITY)
|
|
uprintf("EXB-8200 density support only\n");
|
|
msd.vupb = (u_char)st_exvup;
|
|
msd.rsvd5 = 0;
|
|
msd.p5 = 0;
|
|
msd.motionthres = (u_char)st_exmotthr;
|
|
msd.reconthres = (u_char)st_exreconthr;
|
|
msd.gapthres = (u_char)st_exgapthr;
|
|
break;
|
|
case MT_ISHPDAT:
|
|
case MT_ISVIPER1:
|
|
case MT_ISPYTHON:
|
|
if (minor(dev) & STDEV_HIDENSITY)
|
|
uprintf("Only one density supported\n");
|
|
break;
|
|
default:
|
|
uprintf("Unsupported drive\n");
|
|
return(EIO);
|
|
}
|
|
|
|
modlen = sc->sc_datalen[CMD_MODE_SELECT];
|
|
modsel.cdb[4] = modlen;
|
|
|
|
/* mode select */
|
|
count = 0;
|
|
retryselect:
|
|
stat = scsi_immed_command(ctlr, slave, unit, &modsel,
|
|
(u_char *)&msd, modlen, B_WRITE);
|
|
/*
|
|
* First command after power cycle, bus reset or tape change
|
|
* will error. Try command again
|
|
*/
|
|
if (stat == STS_CHECKCOND) {
|
|
sc->sc_filepos = 0;
|
|
stxsense(ctlr, slave, unit, sc);
|
|
stat = scsi_immed_command(ctlr, slave, unit, &modsel,
|
|
(u_char *)&msd, modlen, B_WRITE);
|
|
#ifdef DEBUG
|
|
if (stat && (st_debug & ST_OPEN))
|
|
printf("stopen: stat on mode select 0x%x second try\n", stat);
|
|
#endif
|
|
if (stat == STS_CHECKCOND) {
|
|
stxsense(ctlr, slave, unit, sc);
|
|
prtkey(UNIT(dev), sc);
|
|
}
|
|
if (stat)
|
|
return(EIO);
|
|
}
|
|
if (stat == -1 || stat == STS_BUSY) {
|
|
/*
|
|
* XXX it might just be that the bus is busy because
|
|
* another tape is doing a command. This would change
|
|
* with connect/disconnect, ie. the other drive would
|
|
* not hold onto the bus.
|
|
*
|
|
* Sleep on lbolt for up to 20 minutes (max time to FSF
|
|
* an exabyte to EOT: 16:xx minutes)
|
|
*/
|
|
if (++count > 60*20) {
|
|
uprintf("SCSI bus timeout\n");
|
|
return(EBUSY);
|
|
}
|
|
sleep((caddr_t)&lbolt, PZERO+1);
|
|
goto retryselect;
|
|
}
|
|
|
|
/* drive ready ? */
|
|
stat = scsi_test_unit_rdy(ctlr, slave, unit);
|
|
|
|
if (stat == STS_CHECKCOND) {
|
|
stxsense(ctlr, slave, unit, sc);
|
|
switch (sc->sc_tapeid) {
|
|
case MT_ISEXABYTE:
|
|
if ((xsense->sc_xsense.key & XSK_NOTRDY) &&
|
|
xsense->exb_xsense.tnp)
|
|
uprintf("no cartridge\n");
|
|
else if (xsense->sc_xsense.key & XSK_NOTRDY)
|
|
uprintf("cartridge not loaded\n");
|
|
else if (xsense->sc_xsense.key & XSK_UNTATTEN) {
|
|
uprintf("new cart/power interrupt\n");
|
|
stat = 0;
|
|
} else if ((xsense->sc_xsense.key & XSK_UNTATTEN) &&
|
|
xsense->exb_xsense.tnp)
|
|
uprintf("cartridge unloading\n");
|
|
else
|
|
prtkey(UNIT(dev), sc);
|
|
break;
|
|
case MT_ISAR:
|
|
if (xsense->sc_xsense.key & XSK_UNTATTEN)
|
|
stat = scsi_test_unit_rdy(ctlr, slave, unit);
|
|
if (stat == STS_CHECKCOND) {
|
|
stxsense(ctlr, slave, unit, sc);
|
|
if (xsense->sc_xsense.key)
|
|
prtkey(UNIT(dev), sc);
|
|
} else {
|
|
sc->sc_filepos = 0; /* new tape */
|
|
stat = 0;
|
|
}
|
|
break;
|
|
case MT_ISHPDAT:
|
|
case MT_ISVIPER1:
|
|
case MT_ISPYTHON:
|
|
if (xsense->sc_xsense.key & XSK_UNTATTEN)
|
|
stat = scsi_test_unit_rdy(ctlr, slave, unit);
|
|
if (stat == STS_CHECKCOND) {
|
|
stxsense(ctlr, slave, unit, sc);
|
|
if (xsense->sc_xsense.key)
|
|
prtkey(UNIT(dev), sc);
|
|
}
|
|
break;
|
|
default:
|
|
uprintf("st%d: not ready\n", UNIT(dev));
|
|
prtkey(UNIT(dev), sc);
|
|
break;
|
|
}
|
|
}
|
|
if (stat)
|
|
return(EIO);
|
|
|
|
/* mode sense */
|
|
modlen = sc->sc_datalen[CMD_MODE_SENSE];
|
|
modsense.cdb[4] = modlen;
|
|
stat = scsi_immed_command(ctlr, slave, unit, &modsense,
|
|
(u_char *)&mode, modlen, B_READ);
|
|
#ifdef DEBUG
|
|
if (st_debug & ST_OPENSTAT)
|
|
prtmodstat(&mode);
|
|
#endif
|
|
|
|
if (stat == STS_CHECKCOND) {
|
|
stxsense(ctlr, slave, unit, sc);
|
|
#ifdef DEBUG
|
|
if (st_debug & ST_OPEN)
|
|
dumpxsense(xsense);
|
|
#endif
|
|
}
|
|
if (stat)
|
|
return(EIO);
|
|
|
|
if ((flag & FWRITE) && mode.md.wp) {
|
|
uprintf("st:%d write protected\n", UNIT(dev));
|
|
return(EACCES);
|
|
}
|
|
|
|
sc->sc_ctty = tprintf_open(p);
|
|
/* save total number of blocks on tape */
|
|
sc->sc_numblks = mode.md.numblk2 << 16 |
|
|
mode.md.numblk1 << 8 |
|
|
mode.md.numblk0;
|
|
|
|
if (xsense->sc_xsense.eom && !(sc->sc_flags & STF_LEOT))
|
|
sc->sc_filepos = 0;
|
|
#ifdef DEBUG
|
|
if (st_debug & ST_FMKS)
|
|
printf("st%d: open filepos = %d\n", UNIT(dev), sc->sc_filepos);
|
|
#endif
|
|
|
|
sc->sc_flags |= (STF_OPEN);
|
|
if (flag & FWRITE)
|
|
sc->sc_flags |= STF_WMODE;
|
|
sc->sc_flags &= ~STF_MOVED;
|
|
|
|
#ifdef TTI
|
|
/* make stats available, also lit up TTi display */
|
|
sc->sc_tticntdwn = 100;
|
|
#endif
|
|
stxsense(ctlr, slave, unit, sc);
|
|
|
|
return(0);
|
|
}
|
|
|
|
/*ARGSUSED*/
|
|
stclose(dev, flag)
|
|
dev_t dev;
|
|
int flag;
|
|
{
|
|
register struct st_softc *sc = &st_softc[UNIT(dev)];
|
|
register int hit = 0;
|
|
|
|
if ((sc->sc_flags & (STF_WMODE|STF_WRTTN)) == (STF_WMODE|STF_WRTTN)) {
|
|
/*
|
|
* XXX driver only supports cartridge tapes.
|
|
* Cartridge tapes don't do double EOFs on EOT.
|
|
*/
|
|
stcommand(dev, MTWEOF, 1);
|
|
hit++;
|
|
}
|
|
if ((minor(dev) & STDEV_NOREWIND) == 0) {
|
|
stcommand(dev, MTREW, 1);
|
|
hit++;
|
|
}
|
|
#ifdef NOTDEF
|
|
/* wait until more stable before trying [XXX Needed ?] */
|
|
if (!hit && (sc->sc_flags & SFT_WMODE))
|
|
/* force out any any bufferd write data */
|
|
stcommand(dev, MTFSR, 0);
|
|
#endif
|
|
/* make stats available */
|
|
stxsense(sc->sc_dq.dq_ctlr, sc->sc_dq.dq_slave, sc->sc_punit, sc);
|
|
|
|
sc->sc_flags &= ~(STF_OPEN|STF_WMODE|STF_WRTTN);
|
|
tprintf_close(sc->sc_ctty);
|
|
return(0); /* XXX */
|
|
}
|
|
|
|
void
|
|
ststrategy(bp)
|
|
register struct buf *bp;
|
|
{
|
|
struct buf *dp;
|
|
int unit, s;
|
|
|
|
unit = UNIT(bp->b_dev);
|
|
dp = &sttab[unit];
|
|
bp->b_actf = NULL;
|
|
s = splbio();
|
|
bp->b_actb = dp->b_actb;
|
|
*dp->b_actb = bp;
|
|
dp->b_actb = &bp->b_actf;
|
|
if (dp->b_active == 0) {
|
|
dp->b_active = 1;
|
|
stustart(unit);
|
|
}
|
|
splx(s);
|
|
}
|
|
|
|
stustart(unit)
|
|
int unit;
|
|
{
|
|
if (scsireq(&st_softc[unit].sc_dq))
|
|
ststart(unit);
|
|
}
|
|
|
|
ststart(unit)
|
|
int unit;
|
|
{
|
|
struct hp_device *hp = st_softc[unit].sc_hd;
|
|
|
|
if (scsiustart(hp->hp_ctlr))
|
|
stgo(unit);
|
|
}
|
|
|
|
stgo(unit)
|
|
int unit;
|
|
{
|
|
register struct st_softc *sc = &st_softc[unit];
|
|
register struct scsi_fmt_cdb *cmd;
|
|
register struct buf *bp = sttab[unit].b_actf;
|
|
struct hp_device *hp = sc->sc_hd;
|
|
int pad, stat;
|
|
long nblks;
|
|
|
|
if (sc->sc_flags & STF_CMD) {
|
|
cmd = &stcmd[unit];
|
|
pad = 0;
|
|
} else {
|
|
cmd = bp->b_flags & B_READ ? &st_read_cmd : &st_write_cmd;
|
|
if (sc->sc_blklen)
|
|
cmd->cdb[1] |= 0x01; /* fixed mode */
|
|
else
|
|
cmd->cdb[1] &= 0xfe;
|
|
if (bp->b_flags & B_READ)
|
|
sc->sc_flags &= ~STF_WRTTN;
|
|
else
|
|
sc->sc_flags |= STF_WRTTN;
|
|
|
|
if (sc->sc_blklen) { /* fixed mode */
|
|
nblks = bp->b_bcount / sc->sc_blklen;
|
|
if (bp->b_bcount % sc->sc_blklen) {
|
|
tprintf(sc->sc_ctty,
|
|
"st%d: I/O not block aligned %d/%ld\n",
|
|
unit, sc->sc_blklen, bp->b_bcount);
|
|
cmd->cdb[1] &= 0xfe; /* force error */
|
|
}
|
|
} else /* variable len */
|
|
nblks = bp->b_bcount;
|
|
|
|
*(u_char *)(&cmd->cdb[2]) = (u_char) (nblks >> 16);
|
|
*(u_char *)(&cmd->cdb[3]) = (u_char) (nblks >> 8);
|
|
*(u_char *)(&cmd->cdb[4]) = (u_char) nblks;
|
|
/*
|
|
* Always Zero. We are either writing in variable
|
|
* length mode we are writing in fixed block mode,
|
|
* or we are going to do odd length IO and are not
|
|
* going to use DMA.
|
|
*/
|
|
pad = 0;
|
|
}
|
|
|
|
#ifdef DEBUG
|
|
if (st_debug & ST_GO)
|
|
printf("stgo: cmd len %d [0]0x%x [1]0x%x [2]0x%x [3]0x%x [4]0x%x [5]0x%x\n",
|
|
cmd->len, cmd->cdb[0], cmd->cdb[1], cmd->cdb[2],
|
|
cmd->cdb[3], cmd->cdb[4], cmd->cdb[5]);
|
|
#endif
|
|
|
|
sc->sc_flags |= STF_MOVED;
|
|
if (bp->b_bcount & 1) {
|
|
#ifdef DEBUG
|
|
if (st_debug & ST_ODDIO)
|
|
printf("stgo%d: odd count %d using manual transfer\n",
|
|
unit, bp->b_bcount);
|
|
#endif
|
|
stat = scsi_tt_oddio(hp->hp_ctlr, hp->hp_slave, sc->sc_punit,
|
|
bp->b_un.b_addr, bp->b_bcount,
|
|
bp->b_flags, 1);
|
|
if (stat == 0) {
|
|
bp->b_resid = 0;
|
|
stfinish(unit, sc, bp);
|
|
}
|
|
} else
|
|
stat = scsigo(hp->hp_ctlr, hp->hp_slave, sc->sc_punit,
|
|
bp, cmd, pad);
|
|
if (stat) {
|
|
bp->b_error = EIO;
|
|
bp->b_flags |= B_ERROR;
|
|
stxsense(sc->sc_dq.dq_ctlr, sc->sc_dq.dq_slave,
|
|
sc->sc_punit, sc);
|
|
sterror(unit, sc, stat);
|
|
stfinish(unit, sc, bp);
|
|
}
|
|
}
|
|
|
|
stfinish(unit, sc, bp)
|
|
int unit;
|
|
struct st_softc *sc;
|
|
struct buf *bp;
|
|
{
|
|
register struct buf *dp;
|
|
|
|
sttab[unit].b_errcnt = 0;
|
|
if (dp = bp->b_actf)
|
|
dp->b_actb = bp->b_actb;
|
|
else
|
|
sttab[unit].b_actb = bp->b_actb;
|
|
*bp->b_actb = dp;
|
|
iodone(bp);
|
|
scsifree(&sc->sc_dq);
|
|
if (sttab[unit].b_actf)
|
|
stustart(unit);
|
|
else
|
|
sttab[unit].b_active = 0;
|
|
}
|
|
|
|
/*ARGSUSED*/
|
|
stdump(dev)
|
|
dev_t dev;
|
|
{
|
|
return(ENXIO);
|
|
}
|
|
|
|
/*ARGSUSED*/
|
|
stioctl(dev, cmd, data, flag, p)
|
|
dev_t dev;
|
|
int cmd;
|
|
caddr_t data;
|
|
int flag;
|
|
struct proc *p;
|
|
{
|
|
register struct st_softc *sc = &st_softc[UNIT(dev)];
|
|
register int cnt;
|
|
register struct mtget *mtget;
|
|
register struct st_xsense *xp = &st_xsense[UNIT(dev)];
|
|
register struct mtop *op;
|
|
long resid;
|
|
|
|
switch (cmd) {
|
|
|
|
/* tape operation */
|
|
case MTIOCTOP:
|
|
op = (struct mtop *)data;
|
|
switch (op->mt_op) {
|
|
|
|
case MTBSR:
|
|
case MTFSR:
|
|
if (sc->sc_tapeid == MT_ISAR)
|
|
return(ENXIO);
|
|
case MTWEOF:
|
|
case MTFSF:
|
|
case MTBSF:
|
|
cnt = (int)op->mt_count;
|
|
break;
|
|
|
|
case MTREW:
|
|
case MTOFFL:
|
|
cnt = 1;
|
|
break;
|
|
|
|
case MTNOP:
|
|
return(0);
|
|
default:
|
|
return(EINVAL);
|
|
}
|
|
if (cnt <= 0)
|
|
return(EINVAL);
|
|
stcommand(dev, (u_int)op->mt_op, cnt);
|
|
break;
|
|
|
|
/* drive status */
|
|
case MTIOCGET:
|
|
mtget = (struct mtget *)data;
|
|
stxsense(sc->sc_dq.dq_ctlr, sc->sc_dq.dq_slave,
|
|
sc->sc_punit, sc);
|
|
mtget->mt_type = sc->sc_tapeid;
|
|
mtget->mt_dsreg = 0;
|
|
mtget->mt_erreg = ((xp->sc_xsense.valid << 15) |
|
|
(xp->sc_xsense.filemark << 14) |
|
|
(xp->sc_xsense.eom << 13) |
|
|
(xp->sc_xsense.ili << 12) |
|
|
(xp->sc_xsense.key << 8));
|
|
|
|
if (sc->sc_tapeid == MT_ISEXABYTE) {
|
|
mtget->mt_dsreg = sc->sc_flags;
|
|
resid = (xp->exb_xsense.tplft2 << 16 |
|
|
xp->exb_xsense.tplft1 << 8 |
|
|
xp->exb_xsense.tplft0);
|
|
mtget->mt_resid = resid / 1000;
|
|
mtget->mt_erreg |= (((xp->exb_xsense.rwerrcnt2 << 16 |
|
|
xp->exb_xsense.rwerrcnt1 << 8 |
|
|
xp->exb_xsense.rwerrcnt0) * 100) /
|
|
(sc->sc_numblks - resid)) & 0xff;
|
|
} else if (xp->sc_xsense.valid) {
|
|
resid = ((xp->sc_xsense.info1 << 24) |
|
|
(xp->sc_xsense.info2 << 16) |
|
|
(xp->sc_xsense.info3 << 8) |
|
|
(xp->sc_xsense.info4));
|
|
if (sc->sc_blklen) /* if fixed mode */
|
|
resid *= sc->sc_blklen;
|
|
mtget->mt_resid = resid;
|
|
} else
|
|
mtget->mt_resid = 0;
|
|
break;
|
|
|
|
default:
|
|
return(ENXIO);
|
|
}
|
|
return(0);
|
|
}
|
|
|
|
stintr(unit, stat)
|
|
int unit, stat;
|
|
{
|
|
register struct st_softc *sc = &st_softc[unit];
|
|
register struct st_xsense *xp = &st_xsense[unit];
|
|
register struct buf *bp = sttab[unit].b_actf;
|
|
struct hp_device *hp = sc->sc_hd;
|
|
|
|
#ifdef DEBUG
|
|
if (bp == NULL) {
|
|
printf("st%d: bp == NULL\n", unit);
|
|
return;
|
|
}
|
|
#endif
|
|
switch (stat) {
|
|
/* scsi command completed ok */
|
|
case 0:
|
|
bp->b_resid = 0;
|
|
break;
|
|
|
|
/* more status */
|
|
case STS_CHECKCOND:
|
|
stxsense(sc->sc_dq.dq_ctlr, sc->sc_dq.dq_slave,
|
|
sc->sc_punit, sc);
|
|
if (xp->sc_xsense.valid) {
|
|
bp->b_resid = (u_long)((xp->sc_xsense.info1 << 24) |
|
|
(xp->sc_xsense.info2 << 16) |
|
|
(xp->sc_xsense.info3 << 8) |
|
|
(xp->sc_xsense.info4));
|
|
if (sc->sc_blklen) /* fixed mode */
|
|
bp->b_resid *= sc->sc_blklen;
|
|
}
|
|
if (xp->sc_xsense.filemark) {
|
|
sc->sc_filepos++;
|
|
break;
|
|
}
|
|
if (xp->sc_xsense.key) {
|
|
sterror(unit, sc, stat);
|
|
bp->b_flags |= B_ERROR;
|
|
bp->b_error = EIO;
|
|
break;
|
|
}
|
|
if (xp->sc_xsense.ili) {
|
|
/*
|
|
* Fixed length blocks, an error.
|
|
*/
|
|
if (sc->sc_blklen) {
|
|
tprintf(sc->sc_ctty,
|
|
"st%d: Incorrect Length Indicator, blkcnt diff %d\n",
|
|
unit, sc->sc_blklen - bp->b_resid);
|
|
bp->b_flags |= B_ERROR;
|
|
bp->b_error = EIO;
|
|
break;
|
|
}
|
|
/*
|
|
* Variable length but read more than requested,
|
|
* an error.
|
|
*/
|
|
if (bp->b_resid < 0) {
|
|
bp->b_resid = 0;
|
|
bp->b_flags |= B_ERROR;
|
|
bp->b_error = ENOMEM;
|
|
break;
|
|
}
|
|
/*
|
|
* Variable length and odd, may require special
|
|
* handling.
|
|
*/
|
|
if (bp->b_resid & 1 && sc->sc_tapeid != MT_ISAR) {
|
|
/*
|
|
* Normal behavior, treat as an error.
|
|
*/
|
|
if (!st_dmaoddretry) {
|
|
tprintf(sc->sc_ctty,
|
|
"st%d: Odd length read %d\n",
|
|
UNIT(bp->b_dev),
|
|
bp->b_bcount - bp->b_resid);
|
|
bp->b_error = EIO;
|
|
bp->b_flags |= B_ERROR;
|
|
break;
|
|
}
|
|
/*
|
|
* Attempt to back up and re-read using oddio.
|
|
*/
|
|
#ifdef DEBUG
|
|
if (st_debug & ST_ODDIO)
|
|
printf("st%d: stintr odd count %d, do BSR then oddio\n",
|
|
UNIT(bp->b_dev),
|
|
bp->b_bcount - bp->b_resid);
|
|
#endif
|
|
stat = scsi_tt_oddio(hp->hp_ctlr, hp->hp_slave,
|
|
sc->sc_punit, 0, -1, 0, 0);
|
|
if (stat == 0)
|
|
stat = scsi_tt_oddio(hp->hp_ctlr,
|
|
hp->hp_slave,
|
|
sc->sc_punit,
|
|
bp->b_un.b_addr,
|
|
bp->b_bcount - bp->b_resid,
|
|
bp->b_flags, 0);
|
|
if (stat) {
|
|
bp->b_error = EIO;
|
|
bp->b_flags |= B_ERROR;
|
|
stxsense(sc->sc_dq.dq_ctlr, sc->sc_dq.dq_slave,
|
|
sc->sc_punit, sc);
|
|
sterror(unit, sc, stat);
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
if (xp->sc_xsense.eom) {
|
|
bp->b_flags |= B_ERROR;
|
|
bp->b_error = ENOSPC;
|
|
break;
|
|
}
|
|
tprintf(sc->sc_ctty, "st%d: unknown scsi error\n", unit);
|
|
bp->b_flags |= B_ERROR;
|
|
bp->b_error = EIO;
|
|
break;
|
|
|
|
default:
|
|
printf("st%d: stintr unknown stat 0x%x\n", unit, stat);
|
|
break;
|
|
}
|
|
#ifdef DEBUG
|
|
if ((st_debug & ST_BRESID) && bp->b_resid != 0)
|
|
printf("b_resid %d b_flags 0x%x b_error 0x%x\n",
|
|
bp->b_resid, bp->b_flags, bp->b_error);
|
|
#endif
|
|
/* asked for more filemarks then on tape */
|
|
if (bp->b_resid != 0 &&
|
|
(sc->sc_flags & STF_CMD) && sc->sc_cmd == CMD_SPACE) {
|
|
sc->sc_filepos -= bp->b_resid;
|
|
if (sc->sc_filepos < 0)
|
|
sc->sc_filepos = 0;
|
|
}
|
|
|
|
#ifdef TTI
|
|
if (st_extti & (1<<unit) &&
|
|
sc->sc_type == MT_ISEXABYTE) /* to make display lit up */
|
|
/*
|
|
* XXX severe performance penality for this.
|
|
* Try and throttle by not calling stxsense on every intr.
|
|
* Mostly for TTi we, get a stxsense call in open and close.
|
|
*/
|
|
if (sc->sc_tticntdwn-- == 0) {
|
|
stxsense(sc->sc_dq.dq_ctlr, sc->sc_dq.dq_slave,
|
|
sc->sc_punit, sc);
|
|
sc->sc_tticntdwn = 100;
|
|
}
|
|
#endif
|
|
|
|
stfinish(unit, sc, bp);
|
|
}
|
|
|
|
stcommand(dev, command, cnt)
|
|
dev_t dev;
|
|
u_int command;
|
|
int cnt;
|
|
{
|
|
register struct st_softc *sc = &st_softc[UNIT(dev)];
|
|
register struct buf *bp = &stbuf[UNIT(dev)];
|
|
register struct scsi_fmt_cdb *cmd = &stcmd[UNIT(dev)];
|
|
register cmdcnt;
|
|
int s;
|
|
|
|
cmd->len = 6; /* all tape commands are cdb6 */
|
|
cmd->cdb[1] = sc->sc_punit;
|
|
cmd->cdb[2] = cmd->cdb[3] = cmd->cdb[4] = cmd->cdb[5] = 0;
|
|
cmdcnt = 0;
|
|
|
|
/*
|
|
* XXX Assumption is that everything except Archive can take
|
|
* repeat count in cdb block.
|
|
*/
|
|
switch (command) {
|
|
case MTWEOF:
|
|
cmd->cdb[0] = CMD_WRITE_FILEMARK;
|
|
if (sc->sc_tapeid != MT_ISAR) {
|
|
cmdcnt = cnt;
|
|
cnt = 1;
|
|
} else
|
|
cmdcnt = 1;
|
|
*(u_char *)(&cmd->cdb[2]) = (u_char) (cmdcnt >> 16);
|
|
*(u_char *)(&cmd->cdb[3]) = (u_char) (cmdcnt >> 8);
|
|
*(u_char *)(&cmd->cdb[4]) = (u_char) cmdcnt;
|
|
|
|
if (sc->sc_tapeid == MT_ISEXABYTE &&
|
|
(minor(dev) & STDEV_EXSFMK)) /* short filemarks */
|
|
cmd->cdb[5] |= 0x80;
|
|
else
|
|
cmd->cdb[5] &= 0x7f;
|
|
break;
|
|
case MTBSF:
|
|
/* Archive can't back up, will not get to BSR case */
|
|
if (sc->sc_tapeid == MT_ISAR) {
|
|
if ((sc->sc_filepos - cnt) < 0) {
|
|
stcommand(dev, MTREW, 1);
|
|
return;
|
|
}
|
|
cmdcnt = sc->sc_filepos - cnt + 1;
|
|
stcommand(dev, MTREW, 1);
|
|
stcommand(dev, MTFSF, cmdcnt);
|
|
return;
|
|
}
|
|
case MTBSR:
|
|
case MTFSR:
|
|
case MTFSF:
|
|
if (command == MTBSF || command == MTBSR)
|
|
cnt = cnt * (-1); /* backward move */
|
|
if (command == MTFSF || command == MTBSF)
|
|
cmd->cdb[1] |= 0x01; /* filemarks */
|
|
else
|
|
cmd->cdb[1] |= 0x00; /* logical blocks */
|
|
if (sc->sc_tapeid != MT_ISAR) {
|
|
cmdcnt = cnt;
|
|
cnt = 1;
|
|
} else
|
|
cmdcnt = 1;
|
|
*(u_char *)(&cmd->cdb[2]) = (u_char) (cmdcnt >> 16);
|
|
*(u_char *)(&cmd->cdb[3]) = (u_char) (cmdcnt >> 8);
|
|
*(u_char *)(&cmd->cdb[4]) = (u_char) cmdcnt;
|
|
cmd->cdb[0] = CMD_SPACE;
|
|
break;
|
|
case MTREW:
|
|
cmd->cdb[0] = CMD_REWIND;
|
|
sc->sc_filepos = 0;
|
|
break;
|
|
case MTOFFL:
|
|
cmd->cdb[0] = CMD_LOADUNLOAD;
|
|
sc->sc_filepos = 0;
|
|
break;
|
|
default:
|
|
printf("st%d: stcommand bad command 0x%x\n",
|
|
UNIT(dev), command);
|
|
}
|
|
|
|
sc->sc_flags |= STF_CMD;
|
|
sc->sc_cmd = cmd->cdb[0];
|
|
|
|
sc->sc_bp = bp;
|
|
again:
|
|
#ifdef DEBUG
|
|
if (st_debug & ST_FMKS)
|
|
printf("st%d: stcommand filepos %d cmdcnt %d cnt %d\n",
|
|
UNIT(dev), sc->sc_filepos, cmdcnt, cnt);
|
|
#endif
|
|
s = splbio();
|
|
while (bp->b_flags & B_BUSY) {
|
|
if (bp->b_flags & B_DONE)
|
|
break;
|
|
bp->b_flags |= B_WANTED;
|
|
sleep((caddr_t)bp, PRIBIO);
|
|
}
|
|
bp->b_flags = B_BUSY|B_READ;
|
|
splx(s);
|
|
bp->b_dev = dev;
|
|
bp->b_bcount = 0;
|
|
bp->b_resid = 0;
|
|
bp->b_blkno = 0;
|
|
bp->b_error = 0;
|
|
ststrategy(bp);
|
|
iowait(bp);
|
|
if (bp->b_flags & B_WANTED)
|
|
wakeup((caddr_t)bp);
|
|
bp->b_flags &= B_ERROR;
|
|
|
|
if (command == MTWEOF || command == MTFSF || command == MTBSF)
|
|
sc->sc_filepos += cmdcnt;
|
|
|
|
if (--cnt > 0)
|
|
goto again;
|
|
|
|
sc->sc_flags |= STF_MOVED;
|
|
sc->sc_flags &= ~(STF_CMD|STF_WRTTN);
|
|
}
|
|
|
|
sterror(unit, sc, stat)
|
|
int unit, stat;
|
|
struct st_softc *sc;
|
|
{
|
|
/* stxsense must have been called before sterror() */
|
|
if (stat & STS_CHECKCOND)
|
|
prtkey(unit, sc);
|
|
else if (stat)
|
|
tprintf(sc->sc_ctty,
|
|
"st%d: bad scsi status 0x%x\n", unit, stat);
|
|
|
|
if ((sc->sc_flags & STF_CMD) && sc->sc_cmd == CMD_SPACE) /* fsf */
|
|
sc->sc_filepos--;
|
|
}
|
|
|
|
stxsense(ctlr, slave, unit, sc)
|
|
int ctlr, slave, unit;
|
|
struct st_softc *sc;
|
|
{
|
|
u_char *sensebuf;
|
|
unsigned len;
|
|
|
|
sensebuf = (u_char *)&st_xsense[sc->sc_dq.dq_unit];
|
|
len = sc->sc_datalen[CMD_REQUEST_SENSE];
|
|
scsi_request_sense(ctlr, slave, unit, sensebuf, len);
|
|
}
|
|
|
|
prtkey(unit, sc)
|
|
int unit;
|
|
struct st_softc *sc;
|
|
{
|
|
register struct st_xsense *xp = &st_xsense[unit];
|
|
|
|
switch (xp->sc_xsense.key) {
|
|
case XSK_NOSENCE:
|
|
break;
|
|
case XSK_NOTUSED1:
|
|
case XSK_NOTUSEDC:
|
|
case XSK_NOTUSEDE:
|
|
break;
|
|
case XSK_REVERVED:
|
|
tprintf(sc->sc_ctty, "st%d: Reserved sense key 0x%x\n",
|
|
unit, xp->sc_xsense.key);
|
|
break;
|
|
case XSK_NOTRDY:
|
|
tprintf(sc->sc_ctty, "st%d: NOT READY\n", unit);
|
|
break;
|
|
case XSK_MEDERR:
|
|
tprintf(sc->sc_ctty, "st%d: MEDIUM ERROR\n", unit);
|
|
break;
|
|
case XSK_HRDWERR:
|
|
tprintf(sc->sc_ctty, "st%d: HARDWARE ERROR\n", unit);
|
|
break;
|
|
case XSK_ILLREQ:
|
|
tprintf(sc->sc_ctty, "st%d: ILLEGAL REQUEST\n", unit);
|
|
break;
|
|
case XSK_UNTATTEN:
|
|
tprintf(sc->sc_ctty, "st%d: UNIT ATTENTION\n", unit);
|
|
break;
|
|
case XSK_DATAPROT:
|
|
tprintf(sc->sc_ctty, "st%d: DATA PROTECT\n", unit);
|
|
break;
|
|
case XSK_BLNKCHK:
|
|
tprintf(sc->sc_ctty, "st%d: BLANK CHECK\n", unit);
|
|
break;
|
|
case XSK_VENDOR:
|
|
tprintf(sc->sc_ctty, "st%d: VENDER UNIQUE SENSE KEY ", unit);
|
|
switch (sc->sc_tapeid) {
|
|
case MT_ISEXABYTE:
|
|
tprintf(sc->sc_ctty, "Exabyte: ");
|
|
if (xp->exb_xsense.xfr)
|
|
tprintf(sc->sc_ctty,
|
|
"Transfer Abort Error\n");
|
|
if (xp->exb_xsense.tmd)
|
|
tprintf(sc->sc_ctty,
|
|
"Tape Mark Detect Error\n");
|
|
break;
|
|
default:
|
|
tprintf(sc->sc_ctty, "\n");
|
|
}
|
|
break;
|
|
case XSK_CPYABORT:
|
|
tprintf(sc->sc_ctty, "st%d: COPY ABORTED\n", unit);
|
|
break;
|
|
case XSK_ABORTCMD:
|
|
tprintf(sc->sc_ctty, "st%d: ABORTED COMMAND\n", unit);
|
|
break;
|
|
case XSK_VOLOVER:
|
|
tprintf(sc->sc_ctty, "st%d: VOLUME OVERFLOW\n", unit);
|
|
break;
|
|
default:
|
|
tprintf(sc->sc_ctty, "st%d: unknown sense key 0x%x\n",
|
|
unit, xp->sc_xsense.key);
|
|
}
|
|
if (sc->sc_tapeid == MT_ISEXABYTE) {
|
|
if (xp->exb_xsense.bpe)
|
|
tprintf(sc->sc_ctty, "st%d: Bus Parity Errorn", unit);
|
|
if (xp->exb_xsense.fpe)
|
|
tprintf(sc->sc_ctty,
|
|
"st%d: Formatted Buffer Parity Errorn", unit);
|
|
if (xp->exb_xsense.eco)
|
|
tprintf(sc->sc_ctty, "st%d: Error Counter Overflown",
|
|
unit);
|
|
if (xp->exb_xsense.tme)
|
|
tprintf(sc->sc_ctty, "st%d: Tape Motion Errorn", unit);
|
|
if (xp->exb_xsense.xfr)
|
|
tprintf(sc->sc_ctty, "st%d: Transfer About Errorn",
|
|
unit);
|
|
if (xp->exb_xsense.tmd)
|
|
tprintf(sc->sc_ctty, "st%d: Tape Mark Detect Errorn",
|
|
unit);
|
|
if (xp->exb_xsense.fmke)
|
|
tprintf(sc->sc_ctty, "st%d: Filemark Errorn", unit);
|
|
if (xp->exb_xsense.ure)
|
|
tprintf(sc->sc_ctty, "st%d: Under Run Errorn", unit);
|
|
if (xp->exb_xsense.sse)
|
|
tprintf(sc->sc_ctty, "st%d: Servo System Errorn",
|
|
unit);
|
|
if (xp->exb_xsense.fe)
|
|
tprintf(sc->sc_ctty, "st%d: Formatter Errorn", unit);
|
|
if (xp->exb_xsense.wseb)
|
|
tprintf(sc->sc_ctty, "st%d: WSEB Errorn", unit);
|
|
if (xp->exb_xsense.wseo)
|
|
tprintf(sc->sc_ctty, "st%d: WSEO Errorn", unit);
|
|
}
|
|
}
|
|
|
|
#ifdef DEBUG
|
|
|
|
dumpxsense(sensebuf)
|
|
struct st_xsense *sensebuf;
|
|
{
|
|
struct st_xsense *xp = sensebuf;
|
|
|
|
printf("valid 0x%x errorclass 0x%x errorcode 0x%x\n",
|
|
xp->sc_xsense.valid,
|
|
xp->sc_xsense.class, xp->sc_xsense.code);
|
|
printf("seg number 0x%x\n", xp->sc_xsense.segment);
|
|
printf("FMK 0x%x EOM 0x%x ILI 0x%x RSVD 0x%x sensekey 0x%x\n",
|
|
xp->sc_xsense.filemark, xp->sc_xsense.eom, xp->sc_xsense.ili,
|
|
xp->sc_xsense.rsvd, xp->sc_xsense.key);
|
|
printf("info 0x%lx\n",
|
|
(u_long)((xp->sc_xsense.info1<<24)|(xp->sc_xsense.info2<<16)|
|
|
(xp->sc_xsense.info3<<8)|(xp->sc_xsense.info4)) );
|
|
printf("ASenseL 0x%x\n", xp->sc_xsense.len);
|
|
|
|
if (xp->sc_xsense.len != 0x12) /* MT_ISEXB Exabyte only ?? */
|
|
return; /* What about others */
|
|
|
|
printf("ASenseC 0x%x\n", xp->exb_xsense.addsens);
|
|
printf("AsenseQ 0x%x\n", xp->exb_xsense.addsensq);
|
|
printf("R/W Errors 0x%lx\n",
|
|
(u_long)((xp->exb_xsense.rwerrcnt2<<16)|
|
|
(xp->exb_xsense.rwerrcnt1<<8)|
|
|
(xp->exb_xsense.rwerrcnt1)) );
|
|
printf("PF 0x%x BPE 0x%x FPE 0x%x ME 0x%x ECO 0x%x TME 0x%x TNP 0x%x BOT 0x%x\n",
|
|
xp->exb_xsense.pf, xp->exb_xsense.bpe, xp->exb_xsense.fpe,
|
|
xp->exb_xsense.me, xp->exb_xsense.eco, xp->exb_xsense.tme,
|
|
xp->exb_xsense.tnp, xp->exb_xsense.bot);
|
|
printf("XFR 0x%x TMD 0x%x WP 0x%x FMKE 0x%x URE 0x%x WE1 0x%x SSE 0x%x FE 0x%x\n",
|
|
xp->exb_xsense.xfr, xp->exb_xsense.tmd, xp->exb_xsense.wp,
|
|
xp->exb_xsense.fmke, xp->exb_xsense.ure, xp->exb_xsense.we1,
|
|
xp->exb_xsense.sse, xp->exb_xsense.fe);
|
|
printf("WSEB 0x%x WSEO 0x%x\n",
|
|
xp->exb_xsense.wseb, xp->exb_xsense.wseo);
|
|
printf("Remaining Tape 0x%lx\n",
|
|
(u_long)((xp->exb_xsense.tplft2<<16)|
|
|
(xp->exb_xsense.tplft1<<8)|
|
|
(xp->exb_xsense.tplft0)) );
|
|
}
|
|
|
|
prtmodsel(msd, modlen)
|
|
struct mode_select_data *msd;
|
|
int modlen;
|
|
{
|
|
printf("Modsel command. len is 0x%x.\n", modlen);
|
|
printf("rsvd1 0x%x rsvd2 0x%x rsvd3 0x%x bufferd 0x%x speed 0x%x bckdeslen 0x%x\n",
|
|
msd->rsvd1,msd->rsvd2,msd->rsvd3,msd->buff,msd->speed,msd->blkdeslen);
|
|
printf("density 0x%x blks2 0x%x blks1 0x%x blks0 0x%x rsvd 0x%x blklen2 0x%x blklen1 0x%x blklen0 0x%x\n",
|
|
msd->density,msd->blks2,msd->blks1,msd->blks0,msd->rsvd4,msd->blklen2,msd->blklen1,msd->blklen0);
|
|
printf("vupb 0x%x rsvd 0x%x p5 0x%x motionthres 0x%x reconthres 0x%x gapthres 0x%x \n",
|
|
msd->vupb,msd->rsvd5,msd->p5,msd->motionthres,msd->reconthres,msd->gapthres);
|
|
}
|
|
|
|
prtmodstat(mode)
|
|
struct mode_sense *mode;
|
|
{
|
|
printf("Mode Status\n");
|
|
printf("sdl 0x%x medtype 0x%x wp 0x%x bfmd 0x%x speed 0x%x bdl 0x%x\n",
|
|
mode->md.sdl, mode->md.medtype, mode->md.wp, mode->md.bfmd,
|
|
mode->md.speed, mode->md.bdl);
|
|
printf("dencod 0x%x numblk 0x%x blklen 0x%x\n",
|
|
mode->md.dencod,
|
|
(mode->md.numblk2<<16)|(mode->md.numblk1<<8)|(mode->md.numblk0),
|
|
(mode->md.blklen2<<16)|(mode->md.blklen1<<8)|(mode->md.blklen0) );
|
|
printf("ct 0x%x nd 0x%x nbe 0x%x edb 0x%x pe 0x%x nal 0x%x p5 0x%x\n",
|
|
mode->ex.ct, mode->ex.nd, mode->ex.nbe,
|
|
mode->ex.ebd, mode->ex.pe, mode->ex.nal, mode->ex.p5);
|
|
printf("motionthres 0x%x reconthres 0x%x gapthres 0x%x\n",
|
|
mode->ex.motionthres, mode->ex.reconthres, mode->ex.gapthres);
|
|
}
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|
#endif /* DEBUG */
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|
|
|
#endif
|