stvar.h revision 1.2.2.5
1 1.2.2.5 nathanw /* $NetBSD: stvar.h,v 1.2.2.5 2002/08/01 02:45:48 nathanw Exp $ */ 2 1.2.2.2 nathanw 3 1.2.2.2 nathanw /*- 4 1.2.2.2 nathanw * Copyright (c) 1998 The NetBSD Foundation, Inc. 5 1.2.2.2 nathanw * All rights reserved. 6 1.2.2.2 nathanw * 7 1.2.2.2 nathanw * This code is derived from software contributed to The NetBSD Foundation 8 1.2.2.2 nathanw * by Charles M. Hannum. 9 1.2.2.2 nathanw * 10 1.2.2.2 nathanw * Redistribution and use in source and binary forms, with or without 11 1.2.2.2 nathanw * modification, are permitted provided that the following conditions 12 1.2.2.2 nathanw * are met: 13 1.2.2.2 nathanw * 1. Redistributions of source code must retain the above copyright 14 1.2.2.2 nathanw * notice, this list of conditions and the following disclaimer. 15 1.2.2.2 nathanw * 2. Redistributions in binary form must reproduce the above copyright 16 1.2.2.2 nathanw * notice, this list of conditions and the following disclaimer in the 17 1.2.2.2 nathanw * documentation and/or other materials provided with the distribution. 18 1.2.2.2 nathanw * 3. All advertising materials mentioning features or use of this software 19 1.2.2.2 nathanw * must display the following acknowledgement: 20 1.2.2.2 nathanw * This product includes software developed by the NetBSD 21 1.2.2.2 nathanw * Foundation, Inc. and its contributors. 22 1.2.2.2 nathanw * 4. Neither the name of The NetBSD Foundation nor the names of its 23 1.2.2.2 nathanw * contributors may be used to endorse or promote products derived 24 1.2.2.2 nathanw * from this software without specific prior written permission. 25 1.2.2.2 nathanw * 26 1.2.2.2 nathanw * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 1.2.2.2 nathanw * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 1.2.2.2 nathanw * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 1.2.2.2 nathanw * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 1.2.2.2 nathanw * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 1.2.2.2 nathanw * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 1.2.2.2 nathanw * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 1.2.2.2 nathanw * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 1.2.2.2 nathanw * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 1.2.2.2 nathanw * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 1.2.2.2 nathanw * POSSIBILITY OF SUCH DAMAGE. 37 1.2.2.2 nathanw */ 38 1.2.2.2 nathanw 39 1.2.2.2 nathanw /* 40 1.2.2.2 nathanw * Originally written by Julian Elischer (julian (at) tfs.com) 41 1.2.2.2 nathanw * for TRW Financial Systems for use under the MACH(2.5) operating system. 42 1.2.2.2 nathanw * 43 1.2.2.2 nathanw * TRW Financial Systems, in accordance with their agreement with Carnegie 44 1.2.2.2 nathanw * Mellon University, makes this software available to CMU to distribute 45 1.2.2.2 nathanw * or use in any manner that they see fit as long as this message is kept with 46 1.2.2.2 nathanw * the software. For this reason TFS also grants any other persons or 47 1.2.2.2 nathanw * organisations permission to use or modify this software. 48 1.2.2.2 nathanw * 49 1.2.2.2 nathanw * TFS supplies this software to be publicly redistributed 50 1.2.2.2 nathanw * on the understanding that TFS is not responsible for the correct 51 1.2.2.2 nathanw * functioning of this software in any circumstances. 52 1.2.2.2 nathanw * 53 1.2.2.2 nathanw * Ported to run under 386BSD by Julian Elischer (julian (at) tfs.com) Sept 1992 54 1.2.2.2 nathanw * major changes by Julian Elischer (julian (at) jules.dialix.oz.au) May 1993 55 1.2.2.2 nathanw * 56 1.2.2.2 nathanw * A lot of rewhacking done by mjacob (mjacob (at) nas.nasa.gov). 57 1.2.2.2 nathanw */ 58 1.2.2.2 nathanw 59 1.2.2.2 nathanw #include "rnd.h" 60 1.2.2.2 nathanw #if NRND > 0 61 1.2.2.2 nathanw #include <sys/rnd.h> 62 1.2.2.2 nathanw #endif 63 1.2.2.2 nathanw 64 1.2.2.2 nathanw #include <dev/scsipi/scsipi_all.h> 65 1.2.2.2 nathanw #include <dev/scsipi/scsiconf.h> 66 1.2.2.2 nathanw 67 1.2.2.2 nathanw #define ST_IO_TIME (3 * 60 * 1000) /* 3 minutes */ 68 1.2.2.2 nathanw #define ST_CTL_TIME (30 * 1000) /* 30 seconds */ 69 1.2.2.2 nathanw #define ST_SPC_TIME (4 * 60 * 60 * 1000) /* 4 hours */ 70 1.2.2.2 nathanw 71 1.2.2.2 nathanw #define ST_RETRIES 4 /* only on non IO commands */ 72 1.2.2.2 nathanw 73 1.2.2.2 nathanw struct modes { 74 1.2.2.2 nathanw u_int quirks; /* same definitions as in quirkdata */ 75 1.2.2.2 nathanw int blksize; 76 1.2.2.2 nathanw u_int8_t density; 77 1.2.2.2 nathanw }; 78 1.2.2.2 nathanw 79 1.2.2.2 nathanw struct quirkdata { 80 1.2.2.2 nathanw u_int quirks; 81 1.2.2.2 nathanw #define ST_Q_FORCE_BLKSIZE 0x0001 82 1.2.2.2 nathanw #define ST_Q_SENSE_HELP 0x0002 /* must do READ for good MODE SENSE */ 83 1.2.2.2 nathanw #define ST_Q_IGNORE_LOADS 0x0004 84 1.2.2.2 nathanw #define ST_Q_BLKSIZE 0x0008 /* variable-block media_blksize > 0 */ 85 1.2.2.2 nathanw #define ST_Q_UNIMODAL 0x0010 /* unimode drive rejects mode select */ 86 1.2.2.2 nathanw #define ST_Q_NOPREVENT 0x0020 /* does not support PREVENT */ 87 1.2.2.2 nathanw #define ST_Q_ERASE_NOIMM 0x0040 /* drive rejects ERASE/w Immed bit */ 88 1.2.2.3 nathanw #define ST_Q_NOFILEMARKS 0x0080 /* can only write 0 filemarks */ 89 1.2.2.2 nathanw u_int page_0_size; 90 1.2.2.2 nathanw #define MAX_PAGE_0_SIZE 64 91 1.2.2.2 nathanw struct modes modes[4]; 92 1.2.2.2 nathanw }; 93 1.2.2.2 nathanw 94 1.2.2.2 nathanw struct st_quirk_inquiry_pattern { 95 1.2.2.2 nathanw struct scsipi_inquiry_pattern pattern; 96 1.2.2.2 nathanw struct quirkdata quirkdata; 97 1.2.2.2 nathanw }; 98 1.2.2.2 nathanw 99 1.2.2.2 nathanw struct st_softc { 100 1.2.2.2 nathanw struct device sc_dev; 101 1.2.2.2 nathanw /*--------------------callback to bus-specific code--------------------------*/ 102 1.2.2.2 nathanw int (*ops) __P((struct st_softc *, int, int)); 103 1.2.2.2 nathanw #define ST_OPS_RBL 0x00 /* read block limit */ 104 1.2.2.2 nathanw #define ST_OPS_MODESENSE 0x01 /* mode sense */ 105 1.2.2.2 nathanw #define ST_OPS_MODESELECT 0x02 /* mode select */ 106 1.2.2.2 nathanw #define ST_OPS_CMPRSS_ON 0x03 /* turn on compression */ 107 1.2.2.2 nathanw #define ST_OPS_CMPRSS_OFF 0x04 /* turn off compression */ 108 1.2.2.2 nathanw /*--------------------present operating parameters, flags etc.---------------*/ 109 1.2.2.2 nathanw int flags; /* see below */ 110 1.2.2.2 nathanw u_int quirks; /* quirks for the open mode */ 111 1.2.2.2 nathanw int blksize; /* blksize we are using */ 112 1.2.2.2 nathanw u_int8_t density; /* present density */ 113 1.2.2.2 nathanw u_int page_0_size; /* size of page 0 data */ 114 1.2.2.2 nathanw u_int last_dsty; /* last density opened */ 115 1.2.2.2 nathanw short mt_resid; /* last (short) resid */ 116 1.2.2.2 nathanw short mt_erreg; /* last error (sense key) seen */ 117 1.2.2.4 nathanw /* relative to BOT location */ 118 1.2.2.4 nathanw daddr_t fileno; 119 1.2.2.4 nathanw daddr_t blkno; 120 1.2.2.4 nathanw int32_t last_io_resid; 121 1.2.2.4 nathanw int32_t last_ctl_resid; 122 1.2.2.2 nathanw #define mt_key mt_erreg 123 1.2.2.2 nathanw u_int8_t asc; /* last asc code seen */ 124 1.2.2.2 nathanw u_int8_t ascq; /* last asc code seen */ 125 1.2.2.2 nathanw /*--------------------device/scsi parameters---------------------------------*/ 126 1.2.2.2 nathanw struct scsipi_periph *sc_periph;/* our link to the adpter etc. */ 127 1.2.2.2 nathanw /*--------------------parameters reported by the device ---------------------*/ 128 1.2.2.2 nathanw int blkmin; /* min blk size */ 129 1.2.2.2 nathanw int blkmax; /* max blk size */ 130 1.2.2.2 nathanw struct quirkdata *quirkdata; /* if we have a rogue entry */ 131 1.2.2.2 nathanw /*--------------------parameters reported by the device for this media-------*/ 132 1.2.2.2 nathanw u_long numblks; /* nominal blocks capacity */ 133 1.2.2.2 nathanw int media_blksize; /* 0 if not ST_FIXEDBLOCKS */ 134 1.2.2.2 nathanw u_int8_t media_density; /* this is what it said when asked */ 135 1.2.2.2 nathanw /*--------------------quirks for the whole drive-----------------------------*/ 136 1.2.2.2 nathanw u_int drive_quirks; /* quirks of this drive */ 137 1.2.2.2 nathanw /*--------------------How we should set up when opening each minor device----*/ 138 1.2.2.2 nathanw struct modes modes[4]; /* plus more for each mode */ 139 1.2.2.2 nathanw u_int8_t modeflags[4]; /* flags for the modes */ 140 1.2.2.2 nathanw #define DENSITY_SET_BY_USER 0x01 141 1.2.2.2 nathanw #define DENSITY_SET_BY_QUIRK 0x02 142 1.2.2.2 nathanw #define BLKSIZE_SET_BY_USER 0x04 143 1.2.2.2 nathanw #define BLKSIZE_SET_BY_QUIRK 0x08 144 1.2.2.2 nathanw /*--------------------storage for sense data returned by the drive-----------*/ 145 1.2.2.2 nathanw u_char sense_data[MAX_PAGE_0_SIZE]; /* 146 1.2.2.2 nathanw * additional sense data needed 147 1.2.2.2 nathanw * for mode sense/select. 148 1.2.2.2 nathanw */ 149 1.2.2.5 nathanw struct bufq_state buf_queue; /* the queue of pending IO */ 150 1.2.2.2 nathanw /* operations */ 151 1.2.2.2 nathanw #if NRND > 0 152 1.2.2.2 nathanw rndsource_element_t rnd_source; 153 1.2.2.2 nathanw #endif 154 1.2.2.2 nathanw }; 155 1.2.2.2 nathanw 156 1.2.2.2 nathanw #define ST_INFO_VALID 0x0001 157 1.2.2.2 nathanw #define ST_BLOCK_SET 0x0002 /* block size, mode set by ioctl */ 158 1.2.2.2 nathanw #define ST_WRITTEN 0x0004 /* data has been written, EOD needed */ 159 1.2.2.2 nathanw #define ST_FIXEDBLOCKS 0x0008 160 1.2.2.2 nathanw #define ST_AT_FILEMARK 0x0010 161 1.2.2.2 nathanw #define ST_EIO_PENDING 0x0020 /* error reporting deferred until next op */ 162 1.2.2.2 nathanw #define ST_NEW_MOUNT 0x0040 /* still need to decide mode */ 163 1.2.2.2 nathanw #define ST_READONLY 0x0080 /* st_mode_sense says write protected */ 164 1.2.2.2 nathanw #define ST_FM_WRITTEN 0x0100 /* 165 1.2.2.2 nathanw * EOF file mark written -- used with 166 1.2.2.2 nathanw * ~ST_WRITTEN to indicate that multiple file 167 1.2.2.2 nathanw * marks have been written 168 1.2.2.2 nathanw */ 169 1.2.2.2 nathanw #define ST_BLANK_READ 0x0200 /* BLANK CHECK encountered already */ 170 1.2.2.2 nathanw #define ST_2FM_AT_EOD 0x0400 /* write 2 file marks at EOD */ 171 1.2.2.2 nathanw #define ST_MOUNTED 0x0800 /* Device is presently mounted */ 172 1.2.2.2 nathanw #define ST_DONTBUFFER 0x1000 /* Disable buffering/caching */ 173 1.2.2.2 nathanw #define ST_EARLYWARN 0x2000 /* Do (deferred) EOM for variable mode */ 174 1.2.2.2 nathanw #define ST_EOM_PENDING 0x4000 /* EOM reporting deferred until next op */ 175 1.2.2.4 nathanw #define ST_POSUPDATED 0x8000 /* tape position already updated */ 176 1.2.2.2 nathanw 177 1.2.2.2 nathanw #define ST_PER_ACTION (ST_AT_FILEMARK | ST_EIO_PENDING | ST_EOM_PENDING | \ 178 1.2.2.2 nathanw ST_BLANK_READ) 179 1.2.2.2 nathanw #define ST_PER_MOUNT (ST_INFO_VALID | ST_BLOCK_SET | ST_WRITTEN | \ 180 1.2.2.2 nathanw ST_FIXEDBLOCKS | ST_READONLY | ST_FM_WRITTEN | \ 181 1.2.2.4 nathanw ST_2FM_AT_EOD | ST_PER_ACTION | ST_POSUPDATED) 182 1.2.2.2 nathanw 183 1.2.2.2 nathanw void stattach __P((struct device *, struct st_softc *, void *)); 184 1.2.2.3 nathanw int stactivate __P((struct device *, enum devact)); 185 1.2.2.3 nathanw int stdetach __P((struct device *, int)); 186 1.2.2.2 nathanw 187 1.2.2.2 nathanw extern struct cfdriver st_cd; 188
Indexes created Tue Sep 30 17:09:57 GMT 2025