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Diffstat (limited to 'sys/dev/ata/atapi-tape.h')
| -rw-r--r-- | sys/dev/ata/atapi-tape.h | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/sys/dev/ata/atapi-tape.h b/sys/dev/ata/atapi-tape.h new file mode 100644 index 0000000..18b4449 --- /dev/null +++ b/sys/dev/ata/atapi-tape.h @@ -0,0 +1,162 @@ +/*- + * Copyright (c) 1998 - 2003 Søren Schmidt <sos@FreeBSD.org> + * 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. + * + * $FreeBSD$ + */ + +/* 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 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 */ + dev_t dev1, dev2; /* device place holders */ +}; |
