FreeBSD/Linux Kernel Cross Reference
sys/compat/netbsd/dvcfg.h

     /* $FreeBSD: releng/12.0/sys/compat/netbsd/dvcfg.h 326266 2017-11-27 15:13:23Z pfg $ */
     /*      $NetBSD$        */
     /*-
      * SPDX-License-Identifier: BSD-3-Clause
      *
      * [NetBSD for NEC PC98 series]
      *  Copyright (c) 1996 NetBSD/pc98 porting staff.
      *  All rights reserved.
      * 
     *  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.
     *  3. The name of the author may not be used to endorse or promote products
     *     derived from this software without specific prior written permission.
     * 
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
     */
    /*
     * Copyright (c) 1996 Naofumi HONDA.  All rights reserved.
     */
    
    #ifndef _COMPAT_NETBSD_DVCFG_H_
    #define _COMPAT_NETBSD_DVCFG_H_
    
    typedef void *dvcfg_hw_t;
    
    struct dvcfg_hwsel {
            int cfg_max;
    
            dvcfg_hw_t *cfg_sel;
    };
    
    #define DVCFG_MAJOR(dvcfg)      (((u_int)(dvcfg)) >> 16)
    #define DVCFG_MINOR(dvcfg)      (((u_int)(dvcfg)) & 0xffff)
    
    #define DVCFG_MKCFG(major, minor) ((((u_int)(major)) << 16) | ((minor) & 0xffff))
    
    #define DVCFG_HWSEL_SZ(array)   (sizeof(array) / sizeof(dvcfg_hw_t))
    
    static __inline dvcfg_hw_t dvcfg_hw(struct dvcfg_hwsel *, u_int);
    
    static __inline dvcfg_hw_t
    dvcfg_hw(selp, num)
            struct dvcfg_hwsel *selp;
            u_int num;
    {
    
            return ((num >= selp->cfg_max) ? 0 : selp->cfg_sel[num]);
    }
    
    #define DVCFG_HW(SELP, NUM)     dvcfg_hw((SELP), (NUM))
    #endif  /* _COMPAT_NETBSD_DVCFG_H_ */

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