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, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _SYS_DKTP_CMDK_H 28 #define _SYS_DKTP_CMDK_H 29 30 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 #ifdef __cplusplus 33 extern "C" { 34 #endif 35 36 #include <sys/cmlb.h> 37 #include <sys/dktp/tgdk.h> 38 39 #define CMDK_UNITSHF 6 40 #define CMDK_MAXPART (1 << CMDK_UNITSHF) 41 42 /* 43 * Model number is 40 ASCII characters 44 * Serial number is 20 ASCII characters 45 */ 46 #define CMDK_HWIDLEN (64) 47 48 struct cmdk { 49 /* set during probe */ 50 dev_info_t *dk_dip; 51 dev_t dk_dev; 52 struct tgdk_obj *dk_tgobjp; /* target disk object pointer */ 53 54 /* set during attach */ 55 cmlb_handle_t dk_cmlbhandle; 56 ddi_devid_t dk_devid; 57 58 kmutex_t dk_mutex; /* mutex for cmdk struct */ 59 60 long dk_flag; 61 uint64_t dk_open_reg[OTYPCNT]; /* bit per partition: 2^6 */ 62 ulong_t dk_open_lyr[CMDK_MAXPART]; /* OTYP_LYR cnt/partition */ 63 uint64_t dk_open_exl; /* bit per partition: 2^6 */ 64 65 struct bbh_obj dk_bbh_obj; 66 67 /* 68 * BBH variables 69 * protected by dk_bbh_mutex 70 */ 71 krwlock_t dk_bbh_mutex; /* bbh mutex */ 72 tgdk_iob_handle dk_alts_hdl; /* iob for V_ALTSCTR */ 73 uint32_t dk_altused; /* num entries in V_ALTSCTR */ 74 uint32_t *dk_slc_cnt; /* entries per slice */ 75 struct alts_ent **dk_slc_ent; /* link to remap data */ 76 }; 77 78 /* common disk flags definitions */ 79 #define CMDK_OPEN 0x1 80 #define CMDK_TGDK_OPEN 0x4 81 82 #define CMDKUNIT(dev) (getminor((dev)) >> CMDK_UNITSHF) 83 #define CMDKPART(dev) (getminor((dev)) & (CMDK_MAXPART - 1)) 84 85 #ifdef __cplusplus 86 } 87 #endif 88 89 #endif /* _SYS_DKTP_CMDK_H */ 90