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 static uint64_t *new_md_bufp; 39 40 int 41 pri_devinit(uint64_t *tok) 42 { 43 int status; 44 45 new_md_bufp = NULL; 46 status = 0; 47 if (pri_get(PRI_WAITGET, tok, &new_md_bufp, malloc, pri_free) == 48 (ssize_t)-1) { 49 pri_debug(LOG_NOTICE, "pri_devinit: can'r read from " 50 "the PRI: %d\n", errno); 51 status = -1; 52 } 53 if (new_md_bufp == NULL) { 54 pri_debug(LOG_NOTICE, "pri_devinit: pri_get returned " 55 "NULL buffer!\n"); 56 status = -1; 57 } 58 return (status); 59 } 60 61 md_t * 62 pri_bufinit(md_t *mdp) 63 { 64 65 if (mdp) 66 md_fini(mdp); 67 if (md_bufp) 68 free(md_bufp); 69 md_bufp = new_md_bufp; 70 71 pri_debug(LOG_NOTICE, "pri_bufinit: done reading PRI\n"); 72 73 /* 74 * The PRI and the MD use the same data format so they can be 75 * parsed by the same functions. 76 */ 77 if (md_bufp) { 78 mdp = md_init_intern(md_bufp, malloc, pri_free); 79 if (mdp == NULL) { 80 pri_debug(LOG_NOTICE, "pri_bufinit: md_init_intern " 81 "failed\n"); 82 free(md_bufp); 83 md_bufp = NULL; 84 } else { 85 pri_debug(LOG_NOTICE, "pri_bufinit: mdi_init_intern " 86 "completed successfully\n"); 87 } 88 } else 89 mdp = NULL; 90 91 pri_debug(LOG_NOTICE, "pri_bufinit: returning\n"); 92 93 return (mdp); 94 } 95 96 /*ARGSUSED*/ 97 static void 98 pri_free(void *bufp, size_t size) 99 { 100 if (bufp) 101 free(bufp); 102 } 103 104 void 105 pri_devfini(md_t *mdp) 106 { 107 if (mdp) 108 (void) md_fini(mdp); 109 110 if (md_bufp) 111 free(md_bufp); 112 md_bufp = NULL; 113 } 114