The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/dev/i2o/iopio.h

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    1 /*      $NetBSD: iopio.h,v 1.2 2001/09/27 18:43:38 ad Exp $     */
    2 
    3 /*-
    4  * Copyright (c) 2000, 2001 The NetBSD Foundation, Inc.
    5  * All rights reserved.
    6  *
    7  * This code is derived from software contributed to The NetBSD Foundation
    8  * by Andrew Doran.
    9  *
   10  * Redistribution and use in source and binary forms, with or without
   11  * modification, are permitted provided that the following conditions
   12  * are met:
   13  * 1. Redistributions of source code must retain the above copyright
   14  *    notice, this list of conditions and the following disclaimer.
   15  * 2. Redistributions in binary form must reproduce the above copyright
   16  *    notice, this list of conditions and the following disclaimer in the
   17  *    documentation and/or other materials provided with the distribution.
   18  * 3. All advertising materials mentioning features or use of this software
   19  *    must display the following acknowledgement:
   20  *        This product includes software developed by the NetBSD
   21  *        Foundation, Inc. and its contributors.
   22  * 4. Neither the name of The NetBSD Foundation nor the names of its
   23  *    contributors may be used to endorse or promote products derived
   24  *    from this software without specific prior written permission.
   25  *
   26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
   27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
   28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
   30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   36  * POSSIBILITY OF SUCH DAMAGE.
   37  */
   38 
   39 #ifndef _I2O_IOPIO_H_
   40 #define _I2O_IOPIO_H_
   41 
   42 #define IOP_MAX_MSG_XFERS       3       /* Maximum transfer count per msg */
   43 #define IOP_MAX_OUTBOUND        256     /* Maximum outbound queue depth */
   44 #define IOP_MAX_INBOUND         256     /* Maximum inbound queue depth */
   45 #define IOP_MF_RESERVE          4       /* Frames to reserve for ctl ops */
   46 #define IOP_MAX_XFER            64*1024 /* Maximum transfer size */
   47 #define IOP_MAX_MSG_SIZE        160     /* Maximum message frame size */
   48 #define IOP_MIN_MSG_SIZE        128     /* Minumum size supported by IOP */
   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_ */

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