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156 lines
5.6 KiB
C
156 lines
5.6 KiB
C
/* $Id: scsi-tape.h,v 1.3 2006/11/15 23:10:33 fredette Exp $ */
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/* tme/scsi/scsi-tape.h - header file for generic SCSI tape emulation: */
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/*
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* Copyright (c) 2003 Matt Fredette
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Matt Fredette.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _TME_SCSI_SCSI_TAPE_H
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#define _TME_SCSI_SCSI_TAPE_H
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#include <tme/common.h>
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_TME_RCSID("$Id: scsi-tape.h,v 1.3 2006/11/15 23:10:33 fredette Exp $");
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/* includes: */
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#include <tme/generic/tape.h>
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#include <tme/scsi/scsi-device.h>
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#include <tme/scsi/scsi-cdb.h>
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#include <tme/scsi/scsi-msg.h>
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/* macros: */
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/* "Group 0 Commands for Sequential-Access Devices" */
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/* 0x00 common */
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#define TME_SCSI_CDB_TAPE_REWIND (0x01)
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/* 0x02 vendor unique */
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/* 0x03 common */
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/* 0x04 reserved */
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#define TME_SCSI_CDB_TAPE_BLOCK_LIMITS (0x05)
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/* 0x06 vendor unique */
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/* 0x07 vendor unique */
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#define TME_SCSI_CDB_TAPE_READ0 (0x08)
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/* 0x09 vendor unique */
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#define TME_SCSI_CDB_TAPE_WRITE0 (0x0a)
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#define TME_SCSI_CDB_TAPE_TRACK_SELECT (0x0b)
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/* 0x0c vendor unique */
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/* 0x0d vendor unique */
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/* 0x0e vendor unique */
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#define TME_SCSI_CDB_TAPE_READ_REVERSE (0x0f)
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#define TME_SCSI_CDB_TAPE_WRITE_MARKS (0x10)
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#define TME_SCSI_CDB_TAPE_SPACE (0x11)
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/* 0x12 common */
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#define TME_SCSI_CDB_TAPE_VERIFY (0x13)
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#define TME_SCSI_CDB_TAPE_RECOVER_BUF (0x14)
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#define TME_SCSI_CDB_TAPE_MODE_SELECT (0x15)
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#define TME_SCSI_CDB_TAPE_RESERVE (0x16)
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#define TME_SCSI_CDB_TAPE_RELEASE (0x17)
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/* 0x18 common */
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#define TME_SCSI_CDB_TAPE_ERASE (0x19)
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#define TME_SCSI_CDB_TAPE_MODE_SENSE (0x1a)
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#define TME_SCSI_CDB_TAPE_LOAD_UNLOAD (0x1b)
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/* 0x1c common */
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/* 0x1d common */
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#define TME_SCSI_CDB_TAPE_PREVENT_ALLOW (0x1e)
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/* 0x1f common */
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/* flags: */
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#define TME_SCSI_TAPE_FLAG_LOADED TME_BIT(0)
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#define TME_SCSI_TAPE_FLAG_ATTENTION TME_BIT(1)
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/* types: */
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/* a SCSI tape device tape connection: */
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struct tme_scsi_tape_connection {
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/* the regular tape connection: */
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struct tme_tape_connection tme_scsi_tape_connection;
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/* the LUN for this tape: */
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int tme_scsi_tape_connection_lun;
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/* the flags for this tape: */
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unsigned int tme_scsi_tape_connection_flags;
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};
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/* a SCSI tape: */
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struct tme_scsi_tape {
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/* our SCSI device structure: */
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struct tme_scsi_device tme_scsi_tape_device;
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#define tme_scsi_tape_element tme_scsi_tape_device.tme_scsi_device_element
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#define tme_scsi_tape_mutex tme_scsi_tape_device.tme_scsi_device_mutex
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/* our type name: */
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char *tme_scsi_tape_type;
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/* our tape connections: */
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struct tme_scsi_tape_connection *tme_scsi_tape_connections[TME_SCSI_DEVICE_LUN_COUNT];
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/* a type-specific connected function: */
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void (*tme_scsi_tape_connected) _TME_P((struct tme_scsi_tape *, int));
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/* a type-specific transfer status function: */
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tme_uint8_t (*tme_scsi_tape_xfer_status) _TME_P((struct tme_scsi_tape *,
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int flags,
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unsigned long));
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/* the minimum and maximum block sizes, in bytes: */
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tme_uint32_t tme_scsi_tape_block_size_min;
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tme_uint32_t tme_scsi_tape_block_size_max;
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/* the current block size, in bytes: */
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tme_uint32_t tme_scsi_tape_block_size_current;
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};
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/* prototypes: */
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int tme_scsi_tape_tme_init _TME_P((struct tme_scsi_tape *));
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int tme_scsi_tape_emulexmt02_init _TME_P((struct tme_scsi_tape *));
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_TME_SCSI_DEVICE_CDB_P(tme_scsi_tape_cdb_rewind);
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_TME_SCSI_DEVICE_CDB_P(tme_scsi_tape_cdb_block_limits);
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_TME_SCSI_DEVICE_CDB_P(tme_scsi_tape_cdb_read0);
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_TME_SCSI_DEVICE_CDB_P(tme_scsi_tape_cdb_write0);
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_TME_SCSI_DEVICE_CDB_P(tme_scsi_tape_cdb_inquiry);
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_TME_SCSI_DEVICE_CDB_P(tme_scsi_tape_cdb_write_marks);
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_TME_SCSI_DEVICE_CDB_P(tme_scsi_tape_cdb_space);
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_TME_SCSI_DEVICE_CDB_P(tme_scsi_tape_cdb_mode_select);
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_TME_SCSI_DEVICE_CDB_P(tme_scsi_tape_cdb_mode_sense);
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_TME_SCSI_DEVICE_CDB_P(tme_scsi_tape_cdb_load_unload);
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_TME_SCSI_DEVICE_CDB_P(tme_scsi_tape_cdb_prevent_allow);
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tme_uint8_t tme_scsi_tape_xfer_status _TME_P((struct tme_scsi_tape *,
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int,
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unsigned long));
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void tme_scsi_tape_cdb_xfer0 _TME_P((struct tme_scsi_device *,
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int));
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#endif /* !_TME_SCSI_SCSI_TAPE_H */
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