NetBSD/sys/dev/pud/pud_sys.h

69 lines
2.2 KiB
C

/* $NetBSD: pud_sys.h,v 1.1 2007/11/20 18:47:06 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_PUD_PUDSYS_H_
#define _DEV_PUD_PUDSYS_H_
#include <dev/putter/putter_sys.h>
#include <dev/pud/pud_msgif.h>
struct pud_touser {
struct pud_req *pt_pdr;
kcondvar_t pt_cv;
TAILQ_ENTRY(pud_touser) pt_entries;
};
struct pud_dev {
dev_t pd_dev;
struct putter_instance *pd_pi;
kmutex_t pd_mtx;
TAILQ_HEAD(,pud_touser) pd_waitq_req;
TAILQ_HEAD(,pud_touser) pd_waitq_resp;
kcondvar_t pd_waitq_req_cv;
size_t pd_waitcount;
kcondvar_t pd_draincv;
LIST_ENTRY(pud_dev) pd_entries;
uint64_t pd_nextreq;
};
int pud_config(int, int, int);
int pud_request(dev_t, void *, size_t, int, int);
struct pud_dev *pud_dev2pud(dev_t);
#endif /* _DEV_PUD_PUDSYS_H_ */