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Annotation of sys/dev/i2o/iopio.h, Revision 1.1.1.1

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_ */