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

     /*      $NetBSD: iopio.h,v 1.9 2022/04/17 21:24:53 andvar Exp $ */
     
     /*-
      * Copyright (c) 2000, 2001 The NetBSD Foundation, Inc.
      * All rights reserved.
      *
      * This code is derived from software contributed to The NetBSD Foundation
      * by Andrew Doran.
      *
     * Redistribution and use in source and binary forms, with or without
     * modification, are permitted provided that the following conditions
     * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     *
     * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     * POSSIBILITY OF SUCH DAMAGE.
     */
    
    #ifndef _I2O_IOPIO_H_
    #define _I2O_IOPIO_H_
    
    #include <sys/types.h>
    #include <sys/ioccom.h>
    
    #define IOP_MAX_MSG_XFERS       3       /* Maximum transfer count per msg */
    #define IOP_MAX_OUTBOUND        256     /* Maximum outbound queue depth */
    #define IOP_MAX_INBOUND         256     /* Maximum inbound queue depth */
    #define IOP_MF_RESERVE          4       /* Frames to reserve for ctl ops */
    #define IOP_MAX_XFER            64*1024 /* Maximum transfer size */
    #define IOP_MAX_MSG_SIZE        160     /* Maximum message frame size */
    #define IOP_MIN_MSG_SIZE        128     /* Minimum size supported by IOP */
    
    struct iop_tidmap {
            u_short it_tid;
            u_short it_flags;
            char    it_dvname[16];
    };
    #define IT_CONFIGURED   0x02    /* target configured */
    
    struct ioppt_buf {
            void    *ptb_data;      /* pointer to buffer */
            size_t  ptb_datalen;    /* buffer size in bytes */
            int     ptb_out;        /* non-zero if transfer is to IOP */
    };
    
    struct ioppt {
            void    *pt_msg;        /* pointer to message buffer */
            size_t  pt_msglen;      /* message buffer size in bytes */
            void    *pt_reply;      /* pointer to reply buffer */
            size_t  pt_replylen;    /* reply buffer size in bytes */
            int     pt_timo;        /* completion timeout in ms */
            int     pt_nbufs;       /* number of transfers */
            struct  ioppt_buf pt_bufs[IOP_MAX_MSG_XFERS]; /* transfers */
    };
    
    #define IOPIOCPT        _IOWR('u', 0, struct ioppt)
    #define IOPIOCGLCT      _IOWR('u', 1, struct iovec)
    #define IOPIOCGSTATUS   _IOWR('u', 2, struct iovec)
    #define IOPIOCRECONFIG  _IO('u', 3)
    #define IOPIOCGTIDMAP   _IOWR('u', 4, struct iovec)
    
    #endif  /* !_I2O_IOPIO_H_ */

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