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 #define CMDK_UNITSHF 6 37 #define CMDK_MAXPART (1 << CMDK_UNITSHF) 38 39 struct dk_openinfo { 40 uint64_t dk_reg[OTYPCNT]; /* bit per partition: 2^6 */ 41 ulong_t dk_lyr[CMDK_MAXPART]; /* OTYP_LYR cnt per partition */ 42 uint64_t dk_exl; /* bit per partition: 2^6 */ 43 }; 44 45 struct cmdk_label { 46 opaque_t dkl_objp; 47 char dkl_name[OBJNAMELEN]; 48 }; 49 50 #define CMDK_LABEL_MAX 3 51 struct cmdk { 52 long dk_flag; 53 dev_info_t *dk_dip; 54 dev_t dk_dev; 55 56 ksema_t dk_semoclose; /* lock for opens/closes */ 57 struct dk_openinfo dk_open; 58 59 opaque_t dk_tgobjp; /* target disk object pointer */ 60 opaque_t dk_lbobjp; 61 struct cmdk_label dk_lb[CMDK_LABEL_MAX]; 62 63 kmutex_t dk_pinfo_lock; 64 kcondvar_t dk_pinfo_cv; 65 int dk_pinfo_state; 66 }; 67 68 /* common disk flags definitions */ 69 #define CMDK_OPEN 0x1 70 #define CMDK_VALID_LABEL 0x2 71 #define CMDK_TGDK_OPEN 0x4 72 73 #define CMDKUNIT(dev) (getminor((dev)) >> CMDK_UNITSHF) 74 #define CMDKPART(dev) (getminor((dev)) & (CMDK_MAXPART - 1)) 75 76 #define CMDK_TGOBJP(dkp) (dkp)->dk_tgobjp 77 78 /* dk_pinfo_states for cmdk_part_info() */ 79 #define CMDK_PARTINFO_INVALID 0 80 #define CMDK_PARTINFO_BUSY 1 81 #define CMDK_PARTINFO_BUSY2 2 82 #define CMDK_PARTINFO_VALID 3 83 84 85 #ifdef __cplusplus 86 } 87 #endif 88 89 #endif /* _SYS_DKTP_CMDK_H */ 90