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90 lines
3.6 KiB
C
90 lines
3.6 KiB
C
/* $Id: scsi-msg.h,v 1.3 2007/01/08 00:03:25 fredette Exp $ */
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/* tme/scsi/scsi-msg.h - header file describing SCSI messages: */
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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_MSG_H
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#define _TME_SCSI_SCSI_MSG_H
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#include <tme/common.h>
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_TME_RCSID("$Id: scsi-msg.h,v 1.3 2007/01/08 00:03:25 fredette Exp $");
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/* includes: */
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#include <tme/scsi/scsi-device.h>
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/* macros: */
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/* one-byte messages: */
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#define TME_SCSI_MSG_CMD_COMPLETE (0x00)
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#define TME_SCSI_MSG_EXTENDED (0x01)
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#define TME_SCSI_MSG_SAVE_DATA_POINTER (0x02)
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#define TME_SCSI_MSG_RESTORE_POINTERS (0x03)
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#define TME_SCSI_MSG_DISCONNECT (0x04)
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#define TME_SCSI_MSG_INITIATOR_ERROR (0x05)
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#define TME_SCSI_MSG_ABORT (0x06)
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#define TME_SCSI_MSG_MESSAGE_REJECT (0x07)
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#define TME_SCSI_MSG_NOP (0x08)
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#define TME_SCSI_MSG_PARITY_ERROR (0x09)
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#define TME_SCSI_MSG_IDENTIFY (0x80)
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#define TME_SCSI_MSG_IDENTIFY_DISCONNECT (0x40)
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#define TME_SCSI_MSG_IDENTIFY_LUN_MASK (0x07)
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/* extended messages: */
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#define TME_SCSI_MSG_EXT_SDTR (0x01)
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/* this evaluates to nonzero iff this is a one-byte message: */
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#define TME_SCSI_MSG_IS_1(msg) \
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(((msg) \
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& TME_SCSI_MSG_IDENTIFY) \
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|| ((msg) < 0x20 \
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&& (msg) != TME_SCSI_MSG_EXTENDED))
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/* this evaluates to nonzero iff this is a two-byte message: */
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#define TME_SCSI_MSG_IS_2(msg) \
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(((msg) & 0xf0) == 0x20)
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/* prototypes: */
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_TME_SCSI_DEVICE_MSG_P(tme_scsi_device_msg_cmd_complete);
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_TME_SCSI_DEVICE_MSG_P(tme_scsi_device_msg_save_data_pointer);
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_TME_SCSI_DEVICE_MSG_P(tme_scsi_device_msg_restore_pointers);
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_TME_SCSI_DEVICE_MSG_P(tme_scsi_device_msg_disconnect);
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_TME_SCSI_DEVICE_MSG_P(tme_scsi_device_msg_initiator_error);
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_TME_SCSI_DEVICE_MSG_P(tme_scsi_device_msg_abort);
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_TME_SCSI_DEVICE_MSG_P(tme_scsi_device_msg_message_reject);
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_TME_SCSI_DEVICE_MSG_P(tme_scsi_device_msg_nop);
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_TME_SCSI_DEVICE_MSG_P(tme_scsi_device_msg_parity_error);
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_TME_SCSI_DEVICE_MSG_P(tme_scsi_device_msg_identify);
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_TME_SCSI_DEVICE_MSG_P(tme_scsi_device_msg_target_reject);
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#endif /* !_TME_SCSI_SCSI_MSG_H */
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