/*- * Copyright (c) 1998,1999,2000,2001,2002 Søren Schmidt * 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, * without modification, immediately at the beginning of the file. * 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. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. * * $FreeBSD: src/sys/dev/ata/atapi-tape.h,v 1.11.2.5 2002/03/18 08:37:34 sos Exp $ * $DragonFly: src/sys/dev/disk/ata/atapi-tape.h,v 1.4 2006/02/17 19:17:54 dillon Exp $ */ /* ATAPI tape drive Capabilities and Mechanical Status Page */ struct ast_cappage { /* mode page data header */ u_int8_t data_length; /* total length of data */ u_int8_t medium_type; /* medium type (if any) */ u_int8_t reserved :4; u_int8_t mode :3; /* buffering mode */ u_int8_t write_protect :1; /* media is writeprotected */ u_int8_t blk_desc_len; /* block Descriptor Length */ /* capabilities page */ u_int8_t page_code :6; #define ATAPI_TAPE_CAP_PAGE 0x2a u_int8_t reserved0_6 :1; u_int8_t ps :1; /* parameters saveable */ u_int8_t page_length; /* page Length == 0x12 */ u_int8_t reserved2; u_int8_t reserved3; u_int8_t readonly :1; /* read Only Mode */ u_int8_t reserved4_1234 :4; u_int8_t reverse :1; /* supports reverse direction */ u_int8_t reserved4_67 :2; u_int8_t reserved5_012 :3; u_int8_t eformat :1; /* supports ERASE formatting */ u_int8_t reserved5_4 :1; u_int8_t qfa :1; /* supports QFA formats */ u_int8_t reserved5_67 :2; u_int8_t lock :1; /* supports locking media */ u_int8_t locked :1; /* the media is locked */ u_int8_t prevent :1; /* defaults to prevent state */ u_int8_t eject :1; /* supports eject */ u_int8_t disconnect :1; /* can break request > ctl */ u_int8_t reserved6_5 :1; u_int8_t ecc :1; /* supports error correction */ u_int8_t compress :1; /* supports data compression */ u_int8_t reserved7_0 :1; u_int8_t blk512 :1; /* supports 512b block size */ u_int8_t blk1024 :1; /* supports 1024b block size */ u_int8_t reserved7_3456 :4; u_int8_t blk32k :1; /* supports 32kb block size */ u_int16_t max_speed; /* supported speed in KBps */ u_int16_t max_defects; /* max stored defect entries */ u_int16_t ctl; /* continuous transfer limit */ u_int16_t speed; /* current Speed, in KBps */ u_int16_t buffer_size; /* buffer Size, in 512 bytes */ u_int8_t reserved18; u_int8_t reserved19; }; /* ATAPI OnStream ADR data transfer mode page (ADR unique) */ struct ast_transferpage { /* mode page data header */ u_int8_t data_length; /* total length of data */ u_int8_t medium_type; /* medium type (if any) */ u_int8_t dsp; /* device specific parameter */ u_int8_t blk_desc_len; /* block Descriptor Length */ /* data transfer page */ u_int8_t page_code :6; #define ATAPI_TAPE_TRANSFER_PAGE 0x30 u_int8_t reserved0_6 :1; u_int8_t ps :1; /* parameters saveable */ u_int8_t page_length; /* page Length == 0x02 */ u_int8_t reserved2; u_int8_t read32k :1; /* 32k blk size (data only) */ u_int8_t read32k5 :1; /* 32.5k blk size (data&AUX) */ u_int8_t reserved3_23 :2; u_int8_t write32k :1; /* 32k blk size (data only) */ u_int8_t write32k5 :1; /* 32.5k blk size (data&AUX) */ u_int8_t reserved3_6 :1; u_int8_t streaming :1; /* streaming mode enable */ }; /* ATAPI OnStream ADR vendor identification mode page (ADR unique) */ struct ast_identifypage { /* mode page data header */ u_int8_t data_length; /* total length of data */ u_int8_t medium_type; /* medium type (if any) */ u_int8_t dsp; /* device specific parameter */ u_int8_t blk_desc_len; /* block Descriptor Length */ /* data transfer page */ u_int8_t page_code :6; #define ATAPI_TAPE_IDENTIFY_PAGE 0x36 u_int8_t reserved0_6 :1; u_int8_t ps :1; /* parameters saveable */ u_int8_t page_length; /* page Length == 0x06 */ u_int8_t ident[4]; /* host id string */ u_int8_t reserved6; u_int8_t reserved7; }; /* ATAPI read position structure */ struct ast_readposition { u_int8_t reserved0_05 :6; u_int8_t eop :1; /* end of partition */ u_int8_t bop :1; /* beginning of partition */ u_int8_t reserved1; u_int8_t reserved2; u_int8_t reserved3; u_int32_t host; /* frame address in buffer */ u_int32_t tape; /* frame address on tape */ u_int8_t reserved12; u_int8_t reserved13; u_int8_t reserved14; u_int8_t blks_in_buf; /* blocks in buffer */ u_int8_t reserved16; u_int8_t reserved17; u_int8_t reserved18; u_int8_t reserved19; }; struct ast_softc { struct ata_device *device; /* device softc */ int lun; /* logical device unit */ int flags; /* device state flags */ #define F_CTL_WARN 0x0001 /* warned about CTL wrong? */ #define F_WRITEPROTECT 0x0002 /* media is writeprotected */ #define F_DATA_WRITTEN 0x0004 /* data has been written */ #define F_FM_WRITTEN 0x0008 /* filemark has been written */ #define F_ONSTREAM 0x0100 /* OnStream ADR device */ int blksize; /* block size (512 | 1024) */ struct bio_queue_head bio_queue; /* queue of i/o requests */ struct atapi_params *param; /* drive parameters table */ struct ast_cappage cap; /* capabilities page info */ struct devstat stats; /* devstat entry */ };