devopen.c revision 1.1.2.2
1 1.1.2.2 thorpej /* $NetBSD: devopen.c,v 1.1.2.2 2002/01/10 19:48:35 thorpej Exp $ */ 2 1.1.2.2 thorpej 3 1.1.2.2 thorpej /*- 4 1.1.2.2 thorpej * Copyright (c) 1992, 1993 5 1.1.2.2 thorpej * The Regents of the University of California. All rights reserved. 6 1.1.2.2 thorpej * 7 1.1.2.2 thorpej * This code is derived from software contributed to Berkeley by 8 1.1.2.2 thorpej * Ralph Campbell. 9 1.1.2.2 thorpej * 10 1.1.2.2 thorpej * Redistribution and use in source and binary forms, with or without 11 1.1.2.2 thorpej * modification, are permitted provided that the following conditions 12 1.1.2.2 thorpej * are met: 13 1.1.2.2 thorpej * 1. Redistributions of source code must retain the above copyright 14 1.1.2.2 thorpej * notice, this list of conditions and the following disclaimer. 15 1.1.2.2 thorpej * 2. Redistributions in binary form must reproduce the above copyright 16 1.1.2.2 thorpej * notice, this list of conditions and the following disclaimer in the 17 1.1.2.2 thorpej * documentation and/or other materials provided with the distribution. 18 1.1.2.2 thorpej * 3. All advertising materials mentioning features or use of this software 19 1.1.2.2 thorpej * must display the following acknowledgement: 20 1.1.2.2 thorpej * This product includes software developed by the University of 21 1.1.2.2 thorpej * California, Berkeley and its contributors. 22 1.1.2.2 thorpej * 4. Neither the name of the University nor the names of its contributors 23 1.1.2.2 thorpej * may be used to endorse or promote products derived from this software 24 1.1.2.2 thorpej * without specific prior written permission. 25 1.1.2.2 thorpej * 26 1.1.2.2 thorpej * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 27 1.1.2.2 thorpej * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 28 1.1.2.2 thorpej * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 29 1.1.2.2 thorpej * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 30 1.1.2.2 thorpej * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 31 1.1.2.2 thorpej * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 1.1.2.2 thorpej * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 1.1.2.2 thorpej * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 1.1.2.2 thorpej * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 1.1.2.2 thorpej * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 1.1.2.2 thorpej * SUCH DAMAGE. 37 1.1.2.2 thorpej * 38 1.1.2.2 thorpej * @(#)devopen.c 8.1 (Berkeley) 6/10/93 39 1.1.2.2 thorpej */ 40 1.1.2.2 thorpej 41 1.1.2.2 thorpej #include <lib/libsa/stand.h> 42 1.1.2.2 thorpej #include <lib/libkern/libkern.h> 43 1.1.2.2 thorpej 44 1.1.2.2 thorpej /* 45 1.1.2.2 thorpej * Decode the string 'fname', open the device and return the remaining 46 1.1.2.2 thorpej * file name if any. 47 1.1.2.2 thorpej */ 48 1.1.2.2 thorpej int 49 1.1.2.2 thorpej devopen(f, fname, file) 50 1.1.2.2 thorpej struct open_file *f; 51 1.1.2.2 thorpej const char *fname; 52 1.1.2.2 thorpej char **file; /* out */ 53 1.1.2.2 thorpej { 54 1.1.2.2 thorpej /* int ctlr = 0, unit = 0, part = 0; */ 55 1.1.2.2 thorpej int rc; 56 1.1.2.2 thorpej char namebuf[128]; 57 1.1.2.2 thorpej char devtype[16]; 58 1.1.2.2 thorpej const char *cp; 59 1.1.2.2 thorpej char *ncp; 60 1.1.2.2 thorpej #if !defined(LIBSA_SINGLE_DEVICE) 61 1.1.2.2 thorpej int i; 62 1.1.2.2 thorpej struct devsw *dp; 63 1.1.2.2 thorpej #endif 64 1.1.2.2 thorpej 65 1.1.2.2 thorpej cp = fname; 66 1.1.2.2 thorpej ncp = (char *)fname; 67 1.1.2.2 thorpej 68 1.1.2.2 thorpej /* 69 1.1.2.2 thorpej * look for a string like 'scsi(0)disk(0)rdisk(0)partition(0)netbsd' 70 1.1.2.2 thorpej * or 'dksc(0,0,0)netbsd' 71 1.1.2.2 thorpej */ 72 1.1.2.2 thorpej if (cp[0] == 's' && cp[1] == 'c' && cp[2] == 's' && cp[3] == 'i') { 73 1.1.2.2 thorpej strcpy(devtype, "scsi"); 74 1.1.2.2 thorpej } else if (cp[0] == 'd' && cp[1] == 'k' && cp[2] == 's' && cp[3] == 'c') { 75 1.1.2.2 thorpej strcpy(devtype, "dksi"); 76 1.1.2.2 thorpej } else 77 1.1.2.2 thorpej return (ENXIO); 78 1.1.2.2 thorpej while (ncp != NULL && *ncp != 0) { 79 1.1.2.2 thorpej while (*ncp && *ncp++ != ')') 80 1.1.2.2 thorpej ; 81 1.1.2.2 thorpej if (*ncp) 82 1.1.2.2 thorpej cp = ncp; 83 1.1.2.2 thorpej } 84 1.1.2.2 thorpej strncpy(namebuf, fname, sizeof(namebuf)); 85 1.1.2.2 thorpej namebuf[cp - fname] = 0; 86 1.1.2.2 thorpej 87 1.1.2.2 thorpej printf("devopen: %s type %s file %s\n", namebuf, devtype, cp); 88 1.1.2.2 thorpej #ifdef LIBSA_SINGLE_DEVICE 89 1.1.2.2 thorpej rc = DEV_OPEN(dp)(f, fname); 90 1.1.2.2 thorpej #else /* !LIBSA_SINGLE_DEVICE */ 91 1.1.2.2 thorpej for (dp = devsw, i = 0; i < ndevs; dp++, i++) 92 1.1.2.2 thorpej if (dp->dv_name && strcmp(devtype, dp->dv_name) == 0) 93 1.1.2.2 thorpej goto fnd; 94 1.1.2.2 thorpej printf("Unknown device '%s'\nKnown devices are:", devtype); 95 1.1.2.2 thorpej for (dp = devsw, i = 0; i < ndevs; dp++, i++) 96 1.1.2.2 thorpej if (dp->dv_name) 97 1.1.2.2 thorpej printf(" %s", dp->dv_name); 98 1.1.2.2 thorpej printf("\n"); 99 1.1.2.2 thorpej return (ENXIO); 100 1.1.2.2 thorpej 101 1.1.2.2 thorpej fnd: 102 1.1.2.2 thorpej rc = (dp->dv_open)(f, namebuf); 103 1.1.2.2 thorpej #endif /* !LIBSA_SINGLE_DEVICE */ 104 1.1.2.2 thorpej if (rc) 105 1.1.2.2 thorpej return (rc); 106 1.1.2.2 thorpej 107 1.1.2.2 thorpej #ifndef LIBSA_SINGLE_DEVICE 108 1.1.2.2 thorpej f->f_dev = dp; 109 1.1.2.2 thorpej #endif 110 1.1.2.2 thorpej if (file && *cp != '\0') 111 1.1.2.2 thorpej *file = (char *)cp; /* XXX */ 112 1.1.2.2 thorpej return (0); 113 1.1.2.2 thorpej } 114
Indexes created Thu Oct 02 14:10:14 GMT 2025