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/*        $NetBSD: tweio.h,v 1.5 2005/12/11 12:22:51 christos Exp $        */
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/*-
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 * Copyright (c) 2000 Michael Smith
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 * Copyright (c) 2000 BSDi
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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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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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 * OR 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, STRICT
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 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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 * SUCH DAMAGE.
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 *
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 * from FreeBSD: tweio.h,v 1.1 2000/10/25 06:59:05 msmith Exp
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 */
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#ifndef _DEV_PCI_TWEIO_H_
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#define        _DEV_PCI_TWEIO_H_
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#include <sys/ioccom.h>
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#include <dev/pci/twereg.h>
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/*
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 * User-space command
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 *
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 * Note that the command's scatter/gather list will be computed by the
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 * driver, and cannot be filled in by the consumer.
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 */
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struct twe_usercommand {
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        struct twe_cmd        tu_cmd;                /* command ready for the controller */
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        void                *tu_data;        /* pointer to data in userspace */
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        size_t                tu_size;        /* userspace data length */
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};
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#define TWEIO_COMMAND        _IOWR('T', 100, struct twe_usercommand)
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/*
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 * Command queue statistics
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 */
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#define        TWEQ_FREE        0
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#define        TWEQ_BIO        1
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#define        TWEQ_READY        2
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#define        TWEQ_BUSY        3
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#define        TWEQ_COMPLETE        4
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#define        TWEQ_COUNT        5        /* total number of queues */
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struct twe_qstat {
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        u_int32_t        q_length;
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        u_int32_t        q_max;
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};
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/*
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 * Statistics request
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 */
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union twe_statrequest {
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        u_int32_t                ts_item;
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        struct twe_qstat        ts_qstat;
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};
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#define        TWEIO_STATS        _IOWR('T', 101, union twe_statrequest)
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/*
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 * AEN listen
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 */
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#define        TWEIO_AEN_POLL        _IOR('T', 102, int)
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#define        TWEIO_AEN_WAIT        _IOR('T', 103, int)
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/*
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 * Controller parameter access
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 */
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struct twe_paramcommand {
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        u_int16_t        tp_table_id;
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        u_int8_t        tp_param_id;
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        void                *tp_data;
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        u_int8_t        tp_size;
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};
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#define        TWEIO_SET_PARAM        _IOW('T', 104, struct twe_paramcommand)
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#define        TWEIO_GET_PARAM        _IOW('T', 105, struct twe_paramcommand)
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/*
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 * Request a controller soft-reset
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 */
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#define        TWEIO_RESET        _IO('T', 106)
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/*
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 * Request a drive addition or deletion
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 */
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struct twe_drivecommand {
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        int                td_unit;
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};
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#define        TWEIO_ADD_UNIT        _IOW('U', 107, struct twe_drivecommand)
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#define        TWEIO_DEL_UNIT        _IOW('U', 108, struct twe_drivecommand)
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#endif /* _DEV_PCI_TWEIO_H_ */