| 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 | |