FreeBSD/Linux Kernel Cross Reference
sys/dev/misc/putter/putter_sys.h

     /*      $NetBSD: putter_sys.h,v 1.3 2007/11/20 18:35:22 pooka Exp $     */
     
     /*
      * Copyright (c) 2007  Antti Kantee.  All Rights Reserved.
      *
      * Development of this software was supported by the
      * Research Foundation of Helsinki University of Technology
      *
      * 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 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 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 _DEV_PUTTER_PUTTERSYS_H_
    #define _DEV_PUTTER_PUTTERSYS_H_
    
    #include <sys/param.h>
    #include <sys/proc.h>
    
    #include <dev/misc/putter/putter.h>
    
    /*
     * Configuration data.
     *
     * Users of putter currently must be registered statically.  This sucks,
     * I know, but what are you going to do since you need static allocation
     * for /dev nodes anyway.  Ok, we could be slightly more forgiving about
     * this, but let's just wait for devfs for now.
     */
    #define PUTTER_MINOR_WILDCARD   0
    #define PUTTER_MINOR_PUD        1
    #define PUTTER_MINOR_COMPAT     0x7ffff         /* will die sometime soon */
    
    struct putter_ops {
            int     (*pop_getout)(void *, size_t, int, uint8_t **,size_t *,void **);
            void    (*pop_releaseout)(void *, void *, int);
            size_t  (*pop_waitcount)(void *);
            int     (*pop_dispatch)(void *, struct putter_hdr *);
            int     (*pop_close)(void *);
    };
    
    typedef int (*putter_config_fn)(int, int, int);
    
    struct putter_instance;
    struct putter_instance  *putter_attach(pid_t, int, void *,
                                           struct putter_ops *);
    void                    putter_detach(struct putter_instance *);
    void                    putter_notify(struct putter_instance *);
    int                     putter_register(putter_config_fn, int);
    
    #endif /* _DEV_PUTTER_PUTTERSYS_H_ */

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