1 /* $NetBSD: putter_sys.h,v 1.3 2007/11/20 18:35:22 pooka Exp $ */ 2 3 /* 4 * Copyright (c) 2007 Antti Kantee. All Rights Reserved. 5 * 6 * Development of this software was supported by the 7 * Research Foundation of Helsinki University of Technology 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 19 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 20 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 21 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 24 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 */ 30 31 #ifndef _DEV_PUTTER_PUTTERSYS_H_ 32 #define _DEV_PUTTER_PUTTERSYS_H_ 33 34 #include <sys/param.h> 35 #include <sys/proc.h> 36 37 #include <dev/putter/putter.h> 38 39 /* 40 * Configuration data. 41 * 42 * Users of putter currently must be registered statically. This sucks, 43 * I know, but what are you going to do since you need static allocation 44 * for /dev nodes anyway. Ok, we could be slightly more forgiving about 45 * this, but let's just wait for devfs for now. 46 */ 47 #define PUTTER_MINOR_WILDCARD 0 48 #define PUTTER_MINOR_PUD 1 49 #define PUTTER_MINOR_COMPAT 0x7ffff /* will die sometime soon */ 50 51 struct putter_ops { 52 int (*pop_getout)(void *, size_t, int, uint8_t **,size_t *,void **); 53 void (*pop_releaseout)(void *, void *, int); 54 size_t (*pop_waitcount)(void *); 55 int (*pop_dispatch)(void *, struct putter_hdr *); 56 int (*pop_close)(void *); 57 }; 58 59 typedef int (*putter_config_fn)(int, int, int); 60 61 struct putter_instance; 62 struct putter_instance *putter_attach(pid_t, int, void *, 63 struct putter_ops *); 64 void putter_detach(struct putter_instance *); 65 void putter_notify(struct putter_instance *); 66 int putter_register(putter_config_fn, int); 67 68 #endif /* _DEV_PUTTER_PUTTERSYS_H_ */ 69