163 lines
6.5 KiB
C
163 lines
6.5 KiB
C
/*-
|
|
* 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 */
|
|
};
|