<sys/mtio.h>
Change-Id: I8629f90393c555f15208833d2b3f9fb6efc541c3
This commit is contained in:
Ben Gras
Lionel Sambuc
parent
515ae0a3e9
commit
28b9cb9a52
@ -53,9 +53,9 @@ tape_operation_t tapeops[] = {
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{ SELF, "status", IGN }, /* Tape Status */
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{ MTRETEN, "retension",IGN }, /* Retension the tape */
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{ MTERASE, "erase", IGN }, /* Erase the tape */
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{ MTMODE, "density", NNG }, /* Select density */
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{ MTBLKZ, "blksize", NNG }, /* Select block size */
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{ MTBLKZ, "blocksize",NNG }, /* Same */
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{ MTSETDNSTY, "density", NNG }, /* Select density */
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{ MTSETBSIZ, "blksize", NNG }, /* Select block size */
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{ MTSETBSIZ, "blocksize",NNG }, /* Same */
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};
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#define arraysize(a) (sizeof(a)/sizeof((a)[0]))
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@ -199,8 +199,8 @@ SCSI tape drive %s:\n\
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(long) mtget.mt_fileno,
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(long) mtget.mt_blkno,
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(long) mtget.mt_resid);
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printf(mtget.mt_blksize == 0 ? "variable\n" : "%d\n",
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mtget.mt_blksize);
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printf(mtget.mt_blksiz == 0 ? "variable\n" : "%d\n",
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mtget.mt_blksiz);
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}
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}
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if (r < 0) {
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@ -273,17 +273,17 @@ int fd;
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exit(1);
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}
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} else {
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if (mtget.mt_blksize > SSIZE_MAX) {
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if (mtget.mt_blksiz > SSIZE_MAX) {
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fprintf(stderr,
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"vol: %s: tape block size (%lu) is too large to handle\n",
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name, (unsigned long) mtget.mt_blksize);
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name, (unsigned long) mtget.mt_blksiz);
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exit(1);
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}
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if (mtget.mt_blksize == 0) {
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if (mtget.mt_blksiz == 0) {
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variable = 1;
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} else {
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/* fixed */
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block_size = mtget.mt_blksize;
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block_size = mtget.mt_blksiz;
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}
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}
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}
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185
sys/sys/mtio.h
185
sys/sys/mtio.h
@ -1,45 +1,164 @@
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/* <sys/mtio.h> magnetic tape commands Author: Kees J. Bot
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/* $NetBSD: mtio.h,v 1.23 2005/12/26 18:41:36 perry Exp $ */
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/*
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* Copyright (c) 1982, 1986, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 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. 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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* @(#)mtio.h 8.1 (Berkeley) 6/2/93
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*/
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#ifndef _SYS__MTIO_H
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#define _SYS__MTIO_H
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#ifndef _SYS_MTIO_H_
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#define _SYS_MTIO_H_
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/* Tape operations: ioctl(fd, MTIOCTOP, &struct mtop) */
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/*
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* Structures and definitions for mag tape io control commands
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*/
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/* structure for MTIOCTOP - mag tape op command */
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struct mtop {
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short mt_op; /* Operation (MTWEOF, etc.) */
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int mt_count; /* Repeat count. */
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short mt_op; /* operations defined below */
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int32_t mt_count; /* how many of them */
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};
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#define MTWEOF 0 /* Write End-Of-File Marker */
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#define MTFSF 1 /* Forward Space File mark */
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#define MTBSF 2 /* Backward Space File mark */
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#define MTFSR 3 /* Forward Space Record */
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#define MTBSR 4 /* Backward Space Record */
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#define MTREW 5 /* Rewind tape */
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#define MTOFFL 6 /* Rewind and take Offline */
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#define MTNOP 7 /* No-Operation, set status only */
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#define MTRETEN 8 /* Retension (completely wind and rewind) */
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#define MTERASE 9 /* Erase the tape and rewind */
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#define MTEOM 10 /* Position at End-Of-Media */
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#define MTMODE 11 /* Select tape density */
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#define MTBLKZ 12 /* Select tape block size */
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/* operations */
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#define MTWEOF 0 /* write an end-of-file record */
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#define MTFSF 1 /* forward space file */
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#define MTBSF 2 /* backward space file */
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#define MTFSR 3 /* forward space record */
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#define MTBSR 4 /* backward space record */
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#define MTREW 5 /* rewind */
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#define MTOFFL 6 /* rewind and put the drive offline */
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#define MTNOP 7 /* no operation, sets status only */
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#define MTRETEN 8 /* retension */
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#define MTERASE 9 /* erase entire tape */
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#define MTEOM 10 /* forward to end of media */
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#define MTNBSF 11 /* backward space to beginning of file */
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#define MTCACHE 12 /* enable controller cache */
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#define MTNOCACHE 13 /* disable controller cache */
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#define MTSETBSIZ 14 /* set block size; 0 for variable */
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#define MTSETDNSTY 15 /* set density code for current mode */
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#define MTCMPRESS 16 /* set/clear device compression */
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#define MTEWARN 17 /* set/clear early warning behaviour */
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/* Tape status: ioctl(fd, MTIOCGET, &struct mtget) */
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/* structure for MTIOCGET - mag tape get status command */
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struct mtget {
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short mt_type; /* Type of tape device. */
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/* Device dependent "registers". */
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short mt_dsreg; /* Drive status register. */
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short mt_erreg; /* Error register. */
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short dummy; /* (alignment) */
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/* Misc info. */
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off_t mt_resid; /* Residual count. */
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off_t mt_fileno; /* Current File Number. */
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off_t mt_blkno; /* Current Block Number within file. */
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off_t mt_blksize; /* Current block size. */
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short mt_type; /* type of magtape device */
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/* the following two registers are grossly device dependent */
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short mt_dsreg; /* ``drive status'' register */
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short mt_erreg; /* ``error'' register */
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/* end device-dependent registers */
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short mt_resid; /* residual count */
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/* the following two are not yet implemented by most tape drivers */
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int32_t mt_fileno; /* file number of current position */
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int32_t mt_blkno; /* block number of current position */
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/* end not yet implemented */
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int32_t mt_blksiz; /* current block size */
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int32_t mt_density; /* current density code */
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int32_t mt_mblksiz[4]; /* block size for different modes */
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int32_t mt_mdensity[4]; /* density codes for different modes */
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};
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#endif /* _SYS__MTIO_H */
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/*
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* Constants for mt_type byte. These are the same
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* for controllers compatible with the types listed.
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*/
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#define MT_ISTS 0x01 /* TS-11 */
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#define MT_ISHT 0x02 /* TM03 Massbus: TE16, TU45, TU77 */
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#define MT_ISTM 0x03 /* TM11/TE10 Unibus */
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#define MT_ISMT 0x04 /* TM78/TU78 Massbus */
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#define MT_ISUT 0x05 /* SI TU-45 emulation on Unibus */
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#define MT_ISCPC 0x06 /* SUN */
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#define MT_ISAR 0x07 /* SUN - Also "GENERIC SCSI" */
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#define MT_ISTMSCP 0x08 /* DEC TMSCP protocol (TU81, TK50) */
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#define MT_ISCY 0x09 /* CCI Cipher */
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#define MT_ISCT 0x0a /* HP 1/4 tape */
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#define MT_ISFHP 0x0b /* HP 7980 1/2 tape */
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#define MT_ISEXABYTE 0x0c /* Exabyte */
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#define MT_ISEXA8200 0x0c /* Exabyte EXB-8200 */
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#define MT_ISEXA8500 0x0d /* Exabyte EXB-8500 */
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#define MT_ISVIPER1 0x0e /* Archive Viper-150 */
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#define MT_ISPYTHON 0x0f /* Archive Python (DAT) */
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#define MT_ISHPDAT 0x10 /* HP 35450A DAT drive */
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#define MT_ISWANGTEK 0x11 /* WANGTEK 5150ES */
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#define MT_ISCALIPER 0x12 /* Caliper CP150 */
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#define MT_ISWTEK5099 0x13 /* WANGTEK 5099ES */
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#define MT_ISVIPER2525 0x14 /* Archive Viper 2525 */
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#define MT_ISMFOUR 0x11 /* M4 Data 1/2 9track drive */
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#define MT_ISTK50 0x12 /* DEC SCSI TK50 */
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#define MT_ISMT02 0x13 /* Emulex MT02 SCSI tape controller */
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/* bits defined for the mt_dsreg field */
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#define MT_DS_RDONLY 0x10 /* tape mounted readonly */
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#define MT_DS_MOUNTED 0x03 /* tape mounted (for control opens) */
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/*
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* For the mt_erreg field.....This is supposed to be a *generic*
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* MT interface, so we cannot overload it with SCSI specific entities,
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* (like ASC/ASCQ) nor is there enough room to put all the information
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* in that is desirable. This whole structure should be redone.
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*
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* In the interim, this will be considered device-specific. For SCSI,
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* this will be taken to mean the last Sense Key seen. It is not
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* guaranteed to always be sensibly associated with any command.
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*/
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/*
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* The action of a MTIOCGET command clears mt_dsreg, mt_erreg, and mt_resid
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*/
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/* mag tape io control commands */
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#define MTIOCTOP _IOW('m', 1, struct mtop) /* do a mag tape op */
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#define MTIOCGET _IOR('m', 2, struct mtget) /* get tape status */
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#define MTIOCIEOT _IO('m', 3) /* ignore EOT error */
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#define MTIOCEEOT _IO('m', 4) /* enable EOT error */
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/*
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* When more SCSI-3 SSC (streaming device) devices are out there
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* that support the full 32 byte type 2 structure, we'll have to
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* rethink these ioctls to support all the entities they haul into
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* the picture (64 bit blocks, logical file record numbers, etc..).
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*/
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#define MTIOCRDSPOS _IOR('m', 5, uint32_t) /* get logical blk addr */
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#define MTIOCRDHPOS _IOR('m', 6, uint32_t) /* get hardware blk addr */
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#define MTIOCSLOCATE _IOW('m', 5, uint32_t) /* seek to logical blk addr */
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#define MTIOCHLOCATE _IOW('m', 6, uint32_t) /* seek to hardware blk addr */
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#ifdef _KERNEL
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/*
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* minor device number
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*/
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#define T_UNIT 003 /* unit selection */
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#define T_NOREWIND 004 /* no rewind on close */
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#define T_DENSEL 030 /* density select */
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#define T_800BPI 000 /* select 800 bpi */
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#define T_1600BPI 010 /* select 1600 bpi */
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#define T_6250BPI 020 /* select 6250 bpi */
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#define T_BADBPI 030 /* undefined selection */
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#endif /* _KERNEL */
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#endif /* !_SYS_MTIO_H_ */
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