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 * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #pragma ident "%Z%%M% %I% %E% SMI" 27 28 /* 29 * 30 * Generic Capabilities Routines 31 * 32 */ 33 34 #include <sys/scsi/scsi.h> 35 36 #define A_TO_TRAN(ap) (ap->a_hba_tran) 37 38 int 39 scsi_ifgetcap(struct scsi_address *ap, char *cap, int whom) 40 { 41 return (*A_TO_TRAN(ap)->tran_getcap)(ap, cap, whom); 42 } 43 44 int 45 scsi_ifsetcap(struct scsi_address *ap, char *cap, int value, int whom) 46 { 47 int rval; 48 int cidx; 49 50 rval = (*A_TO_TRAN(ap)->tran_setcap)(ap, cap, value, whom); 51 if (rval == 1) { 52 cidx = scsi_hba_lookup_capstr(cap); 53 if (cidx == SCSI_CAP_SECTOR_SIZE) { 54 /* 55 * if we have successfully changed the 56 * granularity update SCSA's copy 57 */ 58 A_TO_TRAN(ap)->tran_dma_attr.dma_attr_granular = 59 value; 60 } 61 } 62 return (rval); 63 } 64