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Annotation of sys/dev/i2o/iopio.h, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: iopio.h,v 1.1 2001/06/25 23:04:30 niklas Exp $        */
        !             2: /*     $NetBSD$        */
        !             3:
        !             4: /*-
        !             5:  * Copyright (c) 2000, 2001 The NetBSD Foundation, Inc.
        !             6:  * All rights reserved.
        !             7:  *
        !             8:  * This code is derived from software contributed to The NetBSD Foundation
        !             9:  * by Andrew Doran.
        !            10:  *
        !            11:  * Redistribution and use in source and binary forms, with or without
        !            12:  * modification, are permitted provided that the following conditions
        !            13:  * are met:
        !            14:  * 1. Redistributions of source code must retain the above copyright
        !            15:  *    notice, this list of conditions and the following disclaimer.
        !            16:  * 2. Redistributions in binary form must reproduce the above copyright
        !            17:  *    notice, this list of conditions and the following disclaimer in the
        !            18:  *    documentation and/or other materials provided with the distribution.
        !            19:  * 3. All advertising materials mentioning features or use of this software
        !            20:  *    must display the following acknowledgement:
        !            21:  *        This product includes software developed by the NetBSD
        !            22:  *        Foundation, Inc. and its contributors.
        !            23:  * 4. Neither the name of The NetBSD Foundation nor the names of its
        !            24:  *    contributors may be used to endorse or promote products derived
        !            25:  *    from this software without specific prior written permission.
        !            26:  *
        !            27:  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
        !            28:  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
        !            29:  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
        !            30:  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
        !            31:  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
        !            32:  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
        !            33:  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
        !            34:  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
        !            35:  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
        !            36:  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
        !            37:  * POSSIBILITY OF SUCH DAMAGE.
        !            38:  */
        !            39:
        !            40: #ifndef _I2O_IOPIO_H_
        !            41: #define        _I2O_IOPIO_H_
        !            42:
        !            43: #define        IOP_MAX_MSG_XFERS       3       /* Maximum transfer count per msg */
        !            44: #define        IOP_MAX_OUTBOUND        256     /* Maximum outbound queue depth */
        !            45: #define        IOP_MAX_INBOUND         256     /* Maximum inbound queue depth */
        !            46: #define        IOP_MF_RESERVE          4       /* Frames to reserve for ctl ops */
        !            47: #define        IOP_MAX_XFER            64*1024 /* Maximum transfer size */
        !            48: #define        IOP_MAX_MSG_SIZE        128     /* Maximum message frame size */
        !            49:
        !            50: struct iop_tidmap {
        !            51:        u_short it_tid;
        !            52:        u_short it_flags;
        !            53:        char    it_dvname[sizeof(((struct device *)NULL)->dv_xname)];
        !            54: };
        !            55: #define        IT_CONFIGURED   0x02    /* target configured */
        !            56:
        !            57: struct ioppt_buf {
        !            58:        void    *ptb_data;      /* pointer to buffer */
        !            59:        size_t  ptb_datalen;    /* buffer size in bytes */
        !            60:        int     ptb_out;        /* non-zero if transfer is to IOP */
        !            61: };
        !            62:
        !            63: struct ioppt {
        !            64:        void    *pt_msg;        /* pointer to message buffer */
        !            65:        size_t  pt_msglen;      /* message buffer size in bytes */
        !            66:        void    *pt_reply;      /* pointer to reply buffer */
        !            67:        size_t  pt_replylen;    /* reply buffer size in bytes */
        !            68:        int     pt_timo;        /* completion timeout in ms */
        !            69:        int     pt_nbufs;       /* number of transfers */
        !            70:        struct  ioppt_buf pt_bufs[IOP_MAX_MSG_XFERS]; /* transfers */
        !            71: };
        !            72:
        !            73: #define        IOPIOCPT        _IOWR('u', 0, struct ioppt)
        !            74: #define        IOPIOCGLCT      _IOWR('u', 1, struct iovec)
        !            75: #define        IOPIOCGSTATUS   _IOWR('u', 2, struct iovec)
        !            76: #define        IOPIOCRECONFIG  _IO('u', 3)
        !            77: #define        IOPIOCGTIDMAP   _IOWR('u', 4, struct iovec)
        !            78:
        !            79: #endif /* !_I2O_IOPIO_H_ */