1 /* $OpenBSD: lf.c,v 1.10 2014/07/12 21:03:38 tedu Exp $ */ 2 3 /* 4 * Copyright (c) 1998-2004 Michael Shalayeff 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT, 20 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 22 * SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 24 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 25 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 26 * THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include <sys/param.h> 30 #include "libsa.h" 31 #include <machine/pdc.h> 32 #include <machine/iomod.h> 33 34 #include "dev_hppa.h" 35 36 int 37 lfopen(struct open_file *f, ...) 38 { 39 struct hppa_dev *dp = f->f_devdata; 40 41 if (!(dp->pz_dev = pdc_findev(-1, PCL_NET_MASK|PCL_SEQU))) 42 return ENXIO; 43 44 return 0; 45 } 46 47 int 48 lfclose(struct open_file *f) 49 { 50 free(f->f_devdata, sizeof(struct hppa_dev)); 51 f->f_devdata = NULL; 52 return 0; 53 } 54