From 28b9cb9a52e7c24d08315e473e9eef38d830ee1d Mon Sep 17 00:00:00 2001 From: Ben Gras Date: Tue, 10 Dec 2013 21:06:43 +0100 Subject: [PATCH] Change-Id: I8629f90393c555f15208833d2b3f9fb6efc541c3 --- commands/mt/mt.c | 10 +-- commands/vol/vol.c | 8 +- sys/sys/mtio.h | 187 ++++++++++++++++++++++++++++++++++++--------- 3 files changed, 162 insertions(+), 43 deletions(-) diff --git a/commands/mt/mt.c b/commands/mt/mt.c index fd6dfcd5d..c107450fa 100644 --- a/commands/mt/mt.c +++ b/commands/mt/mt.c @@ -53,9 +53,9 @@ tape_operation_t tapeops[] = { { SELF, "status", IGN }, /* Tape Status */ { MTRETEN, "retension",IGN }, /* Retension the tape */ { MTERASE, "erase", IGN }, /* Erase the tape */ - { MTMODE, "density", NNG }, /* Select density */ - { MTBLKZ, "blksize", NNG }, /* Select block size */ - { MTBLKZ, "blocksize",NNG }, /* Same */ + { MTSETDNSTY, "density", NNG }, /* Select density */ + { MTSETBSIZ, "blksize", NNG }, /* Select block size */ + { MTSETBSIZ, "blocksize",NNG }, /* Same */ }; #define arraysize(a) (sizeof(a)/sizeof((a)[0])) @@ -199,8 +199,8 @@ SCSI tape drive %s:\n\ (long) mtget.mt_fileno, (long) mtget.mt_blkno, (long) mtget.mt_resid); - printf(mtget.mt_blksize == 0 ? "variable\n" : "%d\n", - mtget.mt_blksize); + printf(mtget.mt_blksiz == 0 ? "variable\n" : "%d\n", + mtget.mt_blksiz); } } if (r < 0) { diff --git a/commands/vol/vol.c b/commands/vol/vol.c index 3f87c5304..7036a77c2 100644 --- a/commands/vol/vol.c +++ b/commands/vol/vol.c @@ -273,17 +273,17 @@ int fd; exit(1); } } else { - if (mtget.mt_blksize > SSIZE_MAX) { + if (mtget.mt_blksiz > SSIZE_MAX) { fprintf(stderr, "vol: %s: tape block size (%lu) is too large to handle\n", - name, (unsigned long) mtget.mt_blksize); + name, (unsigned long) mtget.mt_blksiz); exit(1); } - if (mtget.mt_blksize == 0) { + if (mtget.mt_blksiz == 0) { variable = 1; } else { /* fixed */ - block_size = mtget.mt_blksize; + block_size = mtget.mt_blksiz; } } } diff --git a/sys/sys/mtio.h b/sys/sys/mtio.h index a5e16e5ef..237224fd9 100644 --- a/sys/sys/mtio.h +++ b/sys/sys/mtio.h @@ -1,45 +1,164 @@ -/* magnetic tape commands Author: Kees J. Bot +/* $NetBSD: mtio.h,v 1.23 2005/12/26 18:41:36 perry Exp $ */ + +/* + * Copyright (c) 1982, 1986, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)mtio.h 8.1 (Berkeley) 6/2/93 */ -#ifndef _SYS__MTIO_H -#define _SYS__MTIO_H +#ifndef _SYS_MTIO_H_ +#define _SYS_MTIO_H_ -/* Tape operations: ioctl(fd, MTIOCTOP, &struct mtop) */ +/* + * Structures and definitions for mag tape io control commands + */ +/* structure for MTIOCTOP - mag tape op command */ struct mtop { - short mt_op; /* Operation (MTWEOF, etc.) */ - int mt_count; /* Repeat count. */ + short mt_op; /* operations defined below */ + int32_t mt_count; /* how many of them */ }; -#define MTWEOF 0 /* Write End-Of-File Marker */ -#define MTFSF 1 /* Forward Space File mark */ -#define MTBSF 2 /* Backward Space File mark */ -#define MTFSR 3 /* Forward Space Record */ -#define MTBSR 4 /* Backward Space Record */ -#define MTREW 5 /* Rewind tape */ -#define MTOFFL 6 /* Rewind and take Offline */ -#define MTNOP 7 /* No-Operation, set status only */ -#define MTRETEN 8 /* Retension (completely wind and rewind) */ -#define MTERASE 9 /* Erase the tape and rewind */ -#define MTEOM 10 /* Position at End-Of-Media */ -#define MTMODE 11 /* Select tape density */ -#define MTBLKZ 12 /* Select tape block size */ - -/* Tape status: ioctl(fd, MTIOCGET, &struct mtget) */ +/* operations */ +#define MTWEOF 0 /* write an end-of-file record */ +#define MTFSF 1 /* forward space file */ +#define MTBSF 2 /* backward space file */ +#define MTFSR 3 /* forward space record */ +#define MTBSR 4 /* backward space record */ +#define MTREW 5 /* rewind */ +#define MTOFFL 6 /* rewind and put the drive offline */ +#define MTNOP 7 /* no operation, sets status only */ +#define MTRETEN 8 /* retension */ +#define MTERASE 9 /* erase entire tape */ +#define MTEOM 10 /* forward to end of media */ +#define MTNBSF 11 /* backward space to beginning of file */ +#define MTCACHE 12 /* enable controller cache */ +#define MTNOCACHE 13 /* disable controller cache */ +#define MTSETBSIZ 14 /* set block size; 0 for variable */ +#define MTSETDNSTY 15 /* set density code for current mode */ +#define MTCMPRESS 16 /* set/clear device compression */ +#define MTEWARN 17 /* set/clear early warning behaviour */ + +/* structure for MTIOCGET - mag tape get status command */ struct mtget { - short mt_type; /* Type of tape device. */ - - /* Device dependent "registers". */ - short mt_dsreg; /* Drive status register. */ - short mt_erreg; /* Error register. */ - short dummy; /* (alignment) */ - - /* Misc info. */ - off_t mt_resid; /* Residual count. */ - off_t mt_fileno; /* Current File Number. */ - off_t mt_blkno; /* Current Block Number within file. */ - off_t mt_blksize; /* Current block size. */ + short mt_type; /* type of magtape device */ +/* the following two registers are grossly device dependent */ + short mt_dsreg; /* ``drive status'' register */ + short mt_erreg; /* ``error'' register */ +/* end device-dependent registers */ + short mt_resid; /* residual count */ +/* the following two are not yet implemented by most tape drivers */ + int32_t mt_fileno; /* file number of current position */ + int32_t mt_blkno; /* block number of current position */ +/* end not yet implemented */ + int32_t mt_blksiz; /* current block size */ + int32_t mt_density; /* current density code */ + int32_t mt_mblksiz[4]; /* block size for different modes */ + int32_t mt_mdensity[4]; /* density codes for different modes */ }; -#endif /* _SYS__MTIO_H */ +/* + * Constants for mt_type byte. These are the same + * for controllers compatible with the types listed. + */ +#define MT_ISTS 0x01 /* TS-11 */ +#define MT_ISHT 0x02 /* TM03 Massbus: TE16, TU45, TU77 */ +#define MT_ISTM 0x03 /* TM11/TE10 Unibus */ +#define MT_ISMT 0x04 /* TM78/TU78 Massbus */ +#define MT_ISUT 0x05 /* SI TU-45 emulation on Unibus */ +#define MT_ISCPC 0x06 /* SUN */ +#define MT_ISAR 0x07 /* SUN - Also "GENERIC SCSI" */ +#define MT_ISTMSCP 0x08 /* DEC TMSCP protocol (TU81, TK50) */ +#define MT_ISCY 0x09 /* CCI Cipher */ +#define MT_ISCT 0x0a /* HP 1/4 tape */ +#define MT_ISFHP 0x0b /* HP 7980 1/2 tape */ +#define MT_ISEXABYTE 0x0c /* Exabyte */ +#define MT_ISEXA8200 0x0c /* Exabyte EXB-8200 */ +#define MT_ISEXA8500 0x0d /* Exabyte EXB-8500 */ +#define MT_ISVIPER1 0x0e /* Archive Viper-150 */ +#define MT_ISPYTHON 0x0f /* Archive Python (DAT) */ +#define MT_ISHPDAT 0x10 /* HP 35450A DAT drive */ +#define MT_ISWANGTEK 0x11 /* WANGTEK 5150ES */ +#define MT_ISCALIPER 0x12 /* Caliper CP150 */ +#define MT_ISWTEK5099 0x13 /* WANGTEK 5099ES */ +#define MT_ISVIPER2525 0x14 /* Archive Viper 2525 */ +#define MT_ISMFOUR 0x11 /* M4 Data 1/2 9track drive */ +#define MT_ISTK50 0x12 /* DEC SCSI TK50 */ +#define MT_ISMT02 0x13 /* Emulex MT02 SCSI tape controller */ + +/* bits defined for the mt_dsreg field */ +#define MT_DS_RDONLY 0x10 /* tape mounted readonly */ +#define MT_DS_MOUNTED 0x03 /* tape mounted (for control opens) */ + +/* + * For the mt_erreg field.....This is supposed to be a *generic* + * MT interface, so we cannot overload it with SCSI specific entities, + * (like ASC/ASCQ) nor is there enough room to put all the information + * in that is desirable. This whole structure should be redone. + * + * In the interim, this will be considered device-specific. For SCSI, + * this will be taken to mean the last Sense Key seen. It is not + * guaranteed to always be sensibly associated with any command. + */ + +/* + * The action of a MTIOCGET command clears mt_dsreg, mt_erreg, and mt_resid + */ + +/* mag tape io control commands */ +#define MTIOCTOP _IOW('m', 1, struct mtop) /* do a mag tape op */ +#define MTIOCGET _IOR('m', 2, struct mtget) /* get tape status */ +#define MTIOCIEOT _IO('m', 3) /* ignore EOT error */ +#define MTIOCEEOT _IO('m', 4) /* enable EOT error */ +/* + * When more SCSI-3 SSC (streaming device) devices are out there + * that support the full 32 byte type 2 structure, we'll have to + * rethink these ioctls to support all the entities they haul into + * the picture (64 bit blocks, logical file record numbers, etc..). + */ +#define MTIOCRDSPOS _IOR('m', 5, uint32_t) /* get logical blk addr */ +#define MTIOCRDHPOS _IOR('m', 6, uint32_t) /* get hardware blk addr */ +#define MTIOCSLOCATE _IOW('m', 5, uint32_t) /* seek to logical blk addr */ +#define MTIOCHLOCATE _IOW('m', 6, uint32_t) /* seek to hardware blk addr */ + +#ifdef _KERNEL +/* + * minor device number + */ + +#define T_UNIT 003 /* unit selection */ +#define T_NOREWIND 004 /* no rewind on close */ +#define T_DENSEL 030 /* density select */ +#define T_800BPI 000 /* select 800 bpi */ +#define T_1600BPI 010 /* select 1600 bpi */ +#define T_6250BPI 020 /* select 6250 bpi */ +#define T_BADBPI 030 /* undefined selection */ +#endif /* _KERNEL */ + +#endif /* !_SYS_MTIO_H_ */ -- 2.44.0