1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 #include <sys/types.h> 30 #include <errno.h> 31 #include <malloc.h> 32 #include <mdesc.h> 33 #include <pri.h> 34 #include "priplugin.h" 35 36 static void pri_free(void *bufp, size_t size); 37 static uint64_t *md_bufp = NULL; 38 39 md_t * 40 pri_devinit(uint64_t *tok, md_t *mdp) 41 { 42 uint64_t *new_md_bufp; 43 44 45 if (pri_get(PRI_WAITGET, tok, &new_md_bufp, malloc, pri_free) == 46 (ssize_t)-1) { 47 pri_debug(LOG_NOTICE, "pri_devinit: can'r read from " 48 "the PRI: %d\n", errno); 49 } 50 if (new_md_bufp == NULL) { 51 pri_debug(LOG_NOTICE, "pri_devinit: pri_get returned" 52 "NULL buffer!\n"); 53 } 54 if (mdp) 55 md_fini(mdp); 56 if (md_bufp) 57 free(md_bufp); 58 md_bufp = new_md_bufp; 59 60 pri_debug(LOG_NOTICE, "pri_devinit: done reading PRI\n"); 61 62 /* 63 * The PRI and the MD use the same data format so they can be 64 * parsed by the same functions. 65 */ 66 if (md_bufp) { 67 mdp = md_init_intern(md_bufp, malloc, pri_free); 68 if (mdp == NULL) { 69 pri_debug(LOG_NOTICE, "pri_devinit: md_init_intern " 70 "failed\n"); 71 free(md_bufp); 72 md_bufp = NULL; 73 } else { 74 pri_debug(LOG_NOTICE, "pri_devinit: mdi_init_intern " 75 "completed successfully\n"); 76 } 77 } else 78 mdp = NULL; 79 80 pri_debug(LOG_NOTICE, "pri_devinit: returning\n"); 81 82 return (mdp); 83 } 84 85 /*ARGSUSED*/ 86 static void 87 pri_free(void *bufp, size_t size) 88 { 89 if (bufp) 90 free(bufp); 91 } 92 93 void 94 pri_devfini(md_t *mdp) 95 { 96 if (mdp) 97 (void) md_fini(mdp); 98 99 if (md_bufp) 100 free(md_bufp); 101 md_bufp = NULL; 102 pri_fini(); 103 } 104