Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/dev/ata/atapi-tape.h
Version:
- FREEBSD - FREEBSD-13-STABLE - FREEBSD-13-0 - FREEBSD-12-STABLE - FREEBSD-12-0 - FREEBSD-11-STABLE - FREEBSD-11-0 - FREEBSD-10-STABLE - FREEBSD-10-0 - FREEBSD-9-STABLE - FREEBSD-9-0 - FREEBSD-8-STABLE - FREEBSD-8-0 - FREEBSD-7-STABLE - FREEBSD-7-0 - FREEBSD-6-STABLE - FREEBSD-6-0 - FREEBSD-5-STABLE - FREEBSD-5-0 - FREEBSD-4-STABLE - FREEBSD-3-STABLE - FREEBSD22 - l41 - OPENBSD - linux-2.6 - MK84 - PLAN9 - xnu-8792
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1 /*- 2 * Copyright (c) 1998 - 2004 Søren Schmidt <sos@FreeBSD.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer, 10 * without modification, immediately at the beginning of the file. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * $FreeBSD$ 29 */ 30 31 /* ATAPI tape drive Capabilities and Mechanical Status Page */ 32 struct ast_cappage { 33 /* mode page data header */ 34 u_int8_t data_length; /* total length of data */ 35 u_int8_t medium_type; /* medium type (if any) */ 36 u_int8_t reserved :4; 37 u_int8_t mode :3; /* buffering mode */ 38 u_int8_t write_protect :1; /* media is writeprotected */ 39 u_int8_t blk_desc_len; /* block Descriptor Length */ 40 41 /* capabilities page */ 42 u_int8_t page_code :6; 43 #define ATAPI_TAPE_CAP_PAGE 0x2a 44 45 u_int8_t reserved0_6 :1; 46 u_int8_t ps :1; /* parameters saveable */ 47 u_int8_t page_length; /* page Length == 0x12 */ 48 u_int8_t reserved2; 49 u_int8_t reserved3; 50 u_int8_t readonly :1; /* read Only Mode */ 51 u_int8_t reserved4_1234 :4; 52 u_int8_t reverse :1; /* supports reverse direction */ 53 u_int8_t reserved4_67 :2; 54 u_int8_t reserved5_012 :3; 55 u_int8_t eformat :1; /* supports ERASE formatting */ 56 u_int8_t reserved5_4 :1; 57 u_int8_t qfa :1; /* supports QFA formats */ 58 u_int8_t reserved5_67 :2; 59 u_int8_t lock :1; /* supports locking media */ 60 u_int8_t locked :1; /* the media is locked */ 61 u_int8_t prevent :1; /* defaults to prevent state */ 62 u_int8_t eject :1; /* supports eject */ 63 u_int8_t disconnect :1; /* can break request > ctl */ 64 u_int8_t reserved6_5 :1; 65 u_int8_t ecc :1; /* supports error correction */ 66 u_int8_t compress :1; /* supports data compression */ 67 u_int8_t reserved7_0 :1; 68 u_int8_t blk512 :1; /* supports 512b block size */ 69 u_int8_t blk1024 :1; /* supports 1024b block size */ 70 u_int8_t reserved7_3456 :4; 71 u_int8_t blk32k :1; /* supports 32kb block size */ 72 u_int16_t max_speed; /* supported speed in KBps */ 73 u_int16_t max_defects; /* max stored defect entries */ 74 u_int16_t ctl; /* continuous transfer limit */ 75 u_int16_t speed; /* current Speed, in KBps */ 76 u_int16_t buffer_size; /* buffer Size, in 512 bytes */ 77 u_int8_t reserved18; 78 u_int8_t reserved19; 79 }; 80 81 /* ATAPI OnStream ADR data transfer mode page (ADR unique) */ 82 struct ast_transferpage { 83 /* mode page data header */ 84 u_int8_t data_length; /* total length of data */ 85 u_int8_t medium_type; /* medium type (if any) */ 86 u_int8_t dsp; /* device specific parameter */ 87 u_int8_t blk_desc_len; /* block Descriptor Length */ 88 89 /* data transfer page */ 90 u_int8_t page_code :6; 91 #define ATAPI_TAPE_TRANSFER_PAGE 0x30 92 93 u_int8_t reserved0_6 :1; 94 u_int8_t ps :1; /* parameters saveable */ 95 u_int8_t page_length; /* page Length == 0x02 */ 96 u_int8_t reserved2; 97 u_int8_t read32k :1; /* 32k blk size (data only) */ 98 u_int8_t read32k5 :1; /* 32.5k blk size (data&AUX) */ 99 u_int8_t reserved3_23 :2; 100 u_int8_t write32k :1; /* 32k blk size (data only) */ 101 u_int8_t write32k5 :1; /* 32.5k blk size (data&AUX) */ 102 u_int8_t reserved3_6 :1; 103 u_int8_t streaming :1; /* streaming mode enable */ 104 }; 105 106 /* ATAPI OnStream ADR vendor identification mode page (ADR unique) */ 107 struct ast_identifypage { 108 /* mode page data header */ 109 u_int8_t data_length; /* total length of data */ 110 u_int8_t medium_type; /* medium type (if any) */ 111 u_int8_t dsp; /* device specific parameter */ 112 u_int8_t blk_desc_len; /* block Descriptor Length */ 113 114 /* data transfer page */ 115 u_int8_t page_code :6; 116 #define ATAPI_TAPE_IDENTIFY_PAGE 0x36 117 118 u_int8_t reserved0_6 :1; 119 u_int8_t ps :1; /* parameters saveable */ 120 u_int8_t page_length; /* page Length == 0x06 */ 121 u_int8_t ident[4]; /* host id string */ 122 u_int8_t reserved6; 123 u_int8_t reserved7; 124 }; 125 126 /* ATAPI read position structure */ 127 struct ast_readposition { 128 u_int8_t reserved0_05 :6; 129 u_int8_t eop :1; /* end of partition */ 130 u_int8_t bop :1; /* beginning of partition */ 131 u_int8_t reserved1; 132 u_int8_t reserved2; 133 u_int8_t reserved3; 134 u_int32_t host; /* frame address in buffer */ 135 u_int32_t tape; /* frame address on tape */ 136 u_int8_t reserved12; 137 u_int8_t reserved13; 138 u_int8_t reserved14; 139 u_int8_t blks_in_buf; /* blocks in buffer */ 140 u_int8_t reserved16; 141 u_int8_t reserved17; 142 u_int8_t reserved18; 143 u_int8_t reserved19; 144 }; 145 146 struct ast_softc { 147 struct ata_device *device; /* device softc */ 148 int lun; /* logical device unit */ 149 int flags; /* device state flags */ 150 #define F_CTL_WARN 0x0001 /* warned about CTL wrong? */ 151 #define F_WRITEPROTECT 0x0002 /* media is writeprotected */ 152 #define F_DATA_WRITTEN 0x0004 /* data has been written */ 153 #define F_FM_WRITTEN 0x0008 /* filemark has been written */ 154 #define F_ONSTREAM 0x0100 /* OnStream ADR device */ 155 156 int blksize; /* block size (512 | 1024) */ 157 struct mtx queue_mtx; /* bio queue lock */ 158 struct bio_queue_head queue; /* queue of i/o requests */ 159 struct atapi_params *param; /* drive parameters table */ 160 struct ast_cappage cap; /* capabilities page info */ 161 struct devstat *stats; /* devstat entry */ 162 struct cdev *dev1, *dev2; /* device place holders */ 163 };
Cache object: 876b25439c9cec7f0619edd94cd09ab9
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