1 /* $NetBSD: pud_sys.h,v 1.1 2007/11/20 18:47:06 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_PUD_PUDSYS_H_ 32 #define _DEV_PUD_PUDSYS_H_ 33 34 #include <dev/putter/putter_sys.h> 35 36 #include <dev/pud/pud_msgif.h> 37 38 struct pud_touser { 39 struct pud_req *pt_pdr; 40 41 kcondvar_t pt_cv; 42 TAILQ_ENTRY(pud_touser) pt_entries; 43 }; 44 45 struct pud_dev { 46 dev_t pd_dev; 47 struct putter_instance *pd_pi; 48 49 kmutex_t pd_mtx; 50 51 TAILQ_HEAD(,pud_touser) pd_waitq_req; 52 TAILQ_HEAD(,pud_touser) pd_waitq_resp; 53 kcondvar_t pd_waitq_req_cv; 54 size_t pd_waitcount; 55 56 kcondvar_t pd_draincv; 57 58 LIST_ENTRY(pud_dev) pd_entries; 59 60 uint64_t pd_nextreq; 61 }; 62 63 int pud_config(int, int, int); 64 int pud_request(dev_t, void *, size_t, int, int); 65 66 struct pud_dev *pud_dev2pud(dev_t); 67 68 #endif /* _DEV_PUD_PUDSYS_H_ */ 69