NetBSD/sys/dev/scsipi/atapi_tape.h

115 lines
4.9 KiB
C

/* $NetBSD: atapi_tape.h,v 1.2 2001/12/01 00:03:45 bouyer Exp $ */
/*-
* Copyright (c) 1998,1999,2000,2001 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 1.15 2001/03/14 12:05:44 sos Exp $
*/
/* defines for the device specific byte in the mode select/sense header */
#define SMH_DSP_BUFF_MODE 0x70
#define SMH_DSP_BUFF_MODE_OFF 0x00
#define SMH_DSP_BUFF_MODE_ON 0x10
#define SMH_DSP_BUFF_MODE_MLTI 0x20
#define SMH_DSP_WRITE_PROT 0x80
/* ATAPI tape drive Capabilities and Mechanical Status Page */
struct atapi_cappage {
/* mode page data header */
struct scsipi_mode_header header;
/* capabilities page */
u_int8_t page_code;
#define ATAPI_TAPE_CAP_PAGE 0x2a
u_int8_t page_length; /* page Length == 0x12 */
u_int8_t reserved2;
u_int8_t reserved3;
u_int8_t cap1;
#define ATAPI_TAPE_CAP_PAGE_RO 0x01; /* read Only Mode */
#define ATAPI_TAPE_CAP_PAGE_REV 0x20; /* supports reverse direction */
u_int8_t cap2;
#define ATAPI_TAPE_CAP_PAGE_EF 0x08; /* supports ERASE formatting */
#define ATAPI_TAPE_CAP_PAGE_QFA 0x20 /* supports QFA formats */
u_int8_t cap3;
#define ATAPI_TAPE_CAP_PAGE_LCK 0x01 /* supports locking media */
#define ATAPI_TAPE_CAP_PAGE_LCKED 0x02 /* the media is locked */
#define ATAPI_TAPE_CAP_PAGE_PRV 0x04 /* defaults to prevent state */
#define ATAPI_TAPE_CAP_PAGE_EJ 0x08 /* supports eject */
#define ATAPI_TAPE_CAP_PAGE_DIS 0x10 /* can break request > ctl */
#define ATAPI_TAPE_CAP_PAGE_ECC 0x40 /* supports error correction */
#define ATAPI_TAPE_CAP_PAGE_CMP 0x80 /* supports data compression */
u_int8_t cap4;
#define ATAPI_TAPE_CAP_PAGE_BLK512 0x02 /* supports 512b block size */
#define ATAPI_TAPE_CAP_PAGE_BLK1K 0x04 /* supports 1024b block size */
#define ATAPI_TAPE_CAP_PAGE_BLK32K 0x80 /* 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 */
struct scsipi_mode_header header;
/* data transfer page */
u_int8_t page_code;
#define ATAPI_TAPE_IDENTIFY_PAGE 0x36
u_int8_t page_length; /* page Length == 0x06 */
u_int8_t ident[4]; /* host id string */
u_int8_t reserved6;
u_int8_t reserved7;
};