1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24*0Sstevel@tonic-gate * Use is subject to license terms. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 28*0Sstevel@tonic-gate 29*0Sstevel@tonic-gate #include <sys/modctl.h> 30*0Sstevel@tonic-gate #include <sys/sunddi.h> 31*0Sstevel@tonic-gate 32*0Sstevel@tonic-gate /* internal global data */ 33*0Sstevel@tonic-gate static struct modlmisc modlmisc = { 34*0Sstevel@tonic-gate &mod_miscops, "bootdev misc module %I%" 35*0Sstevel@tonic-gate }; 36*0Sstevel@tonic-gate 37*0Sstevel@tonic-gate static struct modlinkage modlinkage = { 38*0Sstevel@tonic-gate MODREV_1, (void *)&modlmisc, NULL 39*0Sstevel@tonic-gate }; 40*0Sstevel@tonic-gate 41*0Sstevel@tonic-gate int 42*0Sstevel@tonic-gate _init() 43*0Sstevel@tonic-gate { 44*0Sstevel@tonic-gate return (mod_install(&modlinkage)); 45*0Sstevel@tonic-gate } 46*0Sstevel@tonic-gate 47*0Sstevel@tonic-gate int 48*0Sstevel@tonic-gate _fini() 49*0Sstevel@tonic-gate { 50*0Sstevel@tonic-gate return (mod_remove(&modlinkage)); 51*0Sstevel@tonic-gate } 52*0Sstevel@tonic-gate 53*0Sstevel@tonic-gate int 54*0Sstevel@tonic-gate _info(struct modinfo *modinfop) 55*0Sstevel@tonic-gate { 56*0Sstevel@tonic-gate return (mod_info(&modlinkage, modinfop)); 57*0Sstevel@tonic-gate } 58*0Sstevel@tonic-gate 59*0Sstevel@tonic-gate /* 60*0Sstevel@tonic-gate * convert a prom device path to an equivalent path in /devices 61*0Sstevel@tonic-gate * Does not deal with aliases. Does deal with pathnames which 62*0Sstevel@tonic-gate * are not fully qualified. This routine is generalized 63*0Sstevel@tonic-gate * to work across several flavors of OBP 64*0Sstevel@tonic-gate */ 65*0Sstevel@tonic-gate int 66*0Sstevel@tonic-gate i_promname_to_devname(char *prom_name, char *ret_buf) 67*0Sstevel@tonic-gate { 68*0Sstevel@tonic-gate if (prom_name == NULL || ret_buf == NULL || 69*0Sstevel@tonic-gate (strlen(prom_name) >= MAXPATHLEN)) { 70*0Sstevel@tonic-gate return (EINVAL); 71*0Sstevel@tonic-gate } 72*0Sstevel@tonic-gate if (i_ddi_prompath_to_devfspath(prom_name, ret_buf) != DDI_SUCCESS) 73*0Sstevel@tonic-gate return (EINVAL); 74*0Sstevel@tonic-gate 75*0Sstevel@tonic-gate return (0); 76*0Sstevel@tonic-gate } 77*0Sstevel@tonic-gate 78*0Sstevel@tonic-gate /* 79*0Sstevel@tonic-gate * If bootstring contains a device path, we need to convert to a format 80*0Sstevel@tonic-gate * the prom will understand. To do so, we convert the existing path to 81*0Sstevel@tonic-gate * a prom-compatible path and return the value of new_path. If the 82*0Sstevel@tonic-gate * caller specifies new_path as NULL, we allocate an appropriately 83*0Sstevel@tonic-gate * sized new_path on behalf of the caller. If the caller invokes this 84*0Sstevel@tonic-gate * function with new_path = NULL, they must do so from a context in 85*0Sstevel@tonic-gate * which it is safe to perform a sleeping memory allocation. 86*0Sstevel@tonic-gate * 87*0Sstevel@tonic-gate * NOTE: Intel does not have a real PROM, so the implementation 88*0Sstevel@tonic-gate * simply returns a copy of the string passed in. 89*0Sstevel@tonic-gate */ 90*0Sstevel@tonic-gate char * 91*0Sstevel@tonic-gate i_convert_boot_device_name(char *cur_path, char *new_path, size_t *len) 92*0Sstevel@tonic-gate { 93*0Sstevel@tonic-gate if (new_path != NULL) { 94*0Sstevel@tonic-gate (void) snprintf(new_path, *len, "%s", cur_path); 95*0Sstevel@tonic-gate return (new_path); 96*0Sstevel@tonic-gate } else { 97*0Sstevel@tonic-gate *len = strlen(cur_path) + 1; 98*0Sstevel@tonic-gate new_path = kmem_alloc(*len, KM_SLEEP); 99*0Sstevel@tonic-gate (void) snprintf(new_path, *len, "%s", cur_path); 100*0Sstevel@tonic-gate return (new_path); 101*0Sstevel@tonic-gate } 102*0Sstevel@tonic-gate } 103