1*9e86db79SHyon Kim /* 2*9e86db79SHyon Kim * CDDL HEADER START 3*9e86db79SHyon Kim * 4*9e86db79SHyon Kim * The contents of this file are subject to the terms of the 5*9e86db79SHyon Kim * Common Development and Distribution License (the "License"). 6*9e86db79SHyon Kim * You may not use this file except in compliance with the License. 7*9e86db79SHyon Kim * 8*9e86db79SHyon Kim * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9*9e86db79SHyon Kim * or http://www.opensolaris.org/os/licensing. 10*9e86db79SHyon Kim * See the License for the specific language governing permissions 11*9e86db79SHyon Kim * and limitations under the License. 12*9e86db79SHyon Kim * 13*9e86db79SHyon Kim * When distributing Covered Code, include this CDDL HEADER in each 14*9e86db79SHyon Kim * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15*9e86db79SHyon Kim * If applicable, add the following below this CDDL HEADER, with the 16*9e86db79SHyon Kim * fields enclosed by brackets "[]" replaced with your own identifying 17*9e86db79SHyon Kim * information: Portions Copyright [yyyy] [name of copyright owner] 18*9e86db79SHyon Kim * 19*9e86db79SHyon Kim * CDDL HEADER END 20*9e86db79SHyon Kim */ 21*9e86db79SHyon Kim 22*9e86db79SHyon Kim /* 23*9e86db79SHyon Kim * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 24*9e86db79SHyon Kim * Use is subject to license terms. 25*9e86db79SHyon Kim */ 26*9e86db79SHyon Kim 27*9e86db79SHyon Kim 28*9e86db79SHyon Kim #include <sun_sas.h> 29*9e86db79SHyon Kim 30*9e86db79SHyon Kim /* 31*9e86db79SHyon Kim * Frees the HBA Library. Must be called after all HBA library functions 32*9e86db79SHyon Kim * to free all resources 33*9e86db79SHyon Kim */ 34*9e86db79SHyon Kim HBA_STATUS Sun_sasFreeLibrary() { 35*9e86db79SHyon Kim HBA_STATUS status; 36*9e86db79SHyon Kim 37*9e86db79SHyon Kim lock(&all_hbas_lock); 38*9e86db79SHyon Kim 39*9e86db79SHyon Kim status = FreeHBA(global_hba_head); 40*9e86db79SHyon Kim 41*9e86db79SHyon Kim /* re-initialize all global variables */ 42*9e86db79SHyon Kim global_hba_head = NULL; 43*9e86db79SHyon Kim hba_count = 0; 44*9e86db79SHyon Kim open_handle_index = 1; 45*9e86db79SHyon Kim unlock(&all_hbas_lock); 46*9e86db79SHyon Kim (void) mutex_destroy(&all_hbas_lock); 47*9e86db79SHyon Kim 48*9e86db79SHyon Kim /* free sysevent handle. */ 49*9e86db79SHyon Kim if (gSysEventHandle != NULL) 50*9e86db79SHyon Kim sysevent_unbind_handle(gSysEventHandle); 51*9e86db79SHyon Kim 52*9e86db79SHyon Kim /* Reset our load count so we can be reloaded now */ 53*9e86db79SHyon Kim loadCount = 0; 54*9e86db79SHyon Kim 55*9e86db79SHyon Kim return (status); 56*9e86db79SHyon Kim } 57*9e86db79SHyon Kim 58*9e86db79SHyon Kim /* 59*9e86db79SHyon Kim * Internal routine to free up hba_ptr's (and all sub-structures) 60*9e86db79SHyon Kim */ 61*9e86db79SHyon Kim HBA_STATUS FreeHBA(struct sun_sas_hba *hba) { 62*9e86db79SHyon Kim struct sun_sas_hba *hba_ptr = NULL; 63*9e86db79SHyon Kim struct sun_sas_hba *last_hba_ptr = NULL; 64*9e86db79SHyon Kim struct sun_sas_port *hba_port = NULL; 65*9e86db79SHyon Kim struct sun_sas_port *last_hba_port = NULL; 66*9e86db79SHyon Kim struct sun_sas_port *tgt_port = NULL; 67*9e86db79SHyon Kim struct sun_sas_port *last_tgt_port = NULL; 68*9e86db79SHyon Kim struct ScsiEntryList *scsi_info = NULL; 69*9e86db79SHyon Kim struct ScsiEntryList *last_scsi_info = NULL; 70*9e86db79SHyon Kim struct phy_info *phy_ptr = NULL; 71*9e86db79SHyon Kim struct phy_info *last_phy = NULL; 72*9e86db79SHyon Kim struct open_handle *open_handle = NULL; 73*9e86db79SHyon Kim struct open_handle *last_open_handle = NULL; 74*9e86db79SHyon Kim 75*9e86db79SHyon Kim last_hba_ptr = NULL; 76*9e86db79SHyon Kim /* walk through global_hba_head list freeing each handle */ 77*9e86db79SHyon Kim for (hba_ptr = hba; 78*9e86db79SHyon Kim hba_ptr != NULL; 79*9e86db79SHyon Kim hba_ptr = hba_ptr->next) { 80*9e86db79SHyon Kim /* Free the nested structures (port and attached port) */ 81*9e86db79SHyon Kim hba_port = hba_ptr->first_port; 82*9e86db79SHyon Kim while (hba_port != NULL) { 83*9e86db79SHyon Kim /* Free discovered port structure list. */ 84*9e86db79SHyon Kim tgt_port = hba_port->first_attached_port; 85*9e86db79SHyon Kim while (tgt_port != NULL) { 86*9e86db79SHyon Kim /* Free target mapping data list first. */ 87*9e86db79SHyon Kim scsi_info = tgt_port->scsiInfo; 88*9e86db79SHyon Kim while (scsi_info != NULL) { 89*9e86db79SHyon Kim last_scsi_info = scsi_info; 90*9e86db79SHyon Kim scsi_info = scsi_info->next; 91*9e86db79SHyon Kim free(last_scsi_info); 92*9e86db79SHyon Kim } 93*9e86db79SHyon Kim last_tgt_port = tgt_port; 94*9e86db79SHyon Kim tgt_port = tgt_port->next; 95*9e86db79SHyon Kim free(last_tgt_port->port_attributes.\ 96*9e86db79SHyon Kim PortSpecificAttribute.SASPort); 97*9e86db79SHyon Kim free(last_tgt_port); 98*9e86db79SHyon Kim } 99*9e86db79SHyon Kim 100*9e86db79SHyon Kim phy_ptr = hba_port->first_phy; 101*9e86db79SHyon Kim while (phy_ptr != NULL) { 102*9e86db79SHyon Kim last_phy = phy_ptr; 103*9e86db79SHyon Kim phy_ptr = phy_ptr->next; 104*9e86db79SHyon Kim free(last_phy); 105*9e86db79SHyon Kim } 106*9e86db79SHyon Kim 107*9e86db79SHyon Kim last_hba_port = hba_port; 108*9e86db79SHyon Kim hba_port = hba_port->next; 109*9e86db79SHyon Kim free(last_hba_port->port_attributes.\ 110*9e86db79SHyon Kim PortSpecificAttribute.SASPort); 111*9e86db79SHyon Kim free(last_hba_port); 112*9e86db79SHyon Kim } 113*9e86db79SHyon Kim 114*9e86db79SHyon Kim open_handle = hba_ptr->open_handles; 115*9e86db79SHyon Kim while (open_handle != NULL) { 116*9e86db79SHyon Kim last_open_handle = open_handle; 117*9e86db79SHyon Kim open_handle = open_handle->next; 118*9e86db79SHyon Kim free(last_open_handle); 119*9e86db79SHyon Kim } 120*9e86db79SHyon Kim /* Free up the top level HBA structure from the last spin */ 121*9e86db79SHyon Kim if (last_hba_ptr != NULL) { 122*9e86db79SHyon Kim free(last_hba_ptr); 123*9e86db79SHyon Kim } 124*9e86db79SHyon Kim last_hba_ptr = hba_ptr; 125*9e86db79SHyon Kim } 126*9e86db79SHyon Kim if (last_hba_ptr != NULL) { 127*9e86db79SHyon Kim free(last_hba_ptr); 128*9e86db79SHyon Kim } 129*9e86db79SHyon Kim 130*9e86db79SHyon Kim return (HBA_STATUS_OK); 131*9e86db79SHyon Kim } 132