cmlb_impl.h revision 8863:94039d51dda4
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/* 23 * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27#ifndef _SYS_CMLB_IMPL_H 28#define _SYS_CMLB_IMPL_H 29 30#ifdef __cplusplus 31extern "C" { 32#endif 33 34#include <sys/cmlb.h> 35#include <sys/ddi.h> 36#include <sys/sunddi.h> 37 38#if defined(_SUNOS_VTOC_8) 39#define NSDMAP NDKMAP 40#elif defined(_SUNOS_VTOC_16) 41#define NSDMAP (NDKMAP + FD_NUMPART + 1) 42#else 43#error "No VTOC format defined." 44#endif 45 46#define MAXPART (NSDMAP + 1) 47#define WD_NODE 7 48 49 50#if defined(__i386) || defined(__amd64) 51 52#define P0_RAW_DISK (NDKMAP) 53#define FDISK_P1 (NDKMAP+1) 54#define FDISK_P2 (NDKMAP+2) 55#define FDISK_P3 (NDKMAP+3) 56#define FDISK_P4 (NDKMAP+4) 57 58#endif /* __i386 || __amd64 */ 59 60/* Driver Logging Levels */ 61#define CMLB_LOGMASK_ERROR 0x00000001 62#define CMLB_LOGMASK_INFO 0x00000002 63#define CMLB_LOGMASK_TRACE 0x00000004 64 65#define CMLB_TRACE 0x00000001 66#define CMLB_INFO 0x00000002 67#define CMLB_ERROR 0x00000004 68 69 70#define CMLB_MUTEX(cl) (&((cl)->cl_mutex)) 71#define CMLB_DEVINFO(cl) ((cl)->cl_devi) 72#define CMLB_LABEL(cl) (DEVI(((cl)->cl_devi))->devi_binding_name) 73 74 75#define ISREMOVABLE(cl) (cl->cl_is_removable) 76#define ISCD(cl) (cl->cl_device_type == DTYPE_RODIRECT) 77#define ISHOTPLUGGABLE(cl) (cl->cl_is_hotpluggable) 78 79#if defined(_SUNOS_VTOC_8) 80 81#define CMLBUNIT_SHIFT 3 82#define CMLBPART_MASK 7 83 84#elif defined(_SUNOS_VTOC_16) 85 86#define CMLBUNIT_SHIFT 6 87#define CMLBPART_MASK 63 88 89#else 90#error "No VTOC format defined." 91#endif 92 93#define CMLBUNIT(dev) (getminor((dev)) >> CMLBUNIT_SHIFT) 94#define CMLBPART(dev) (getminor((dev)) & CMLBPART_MASK) 95 96/* 97 * Return codes of cmlb_uselabel(). 98 */ 99#define CMLB_LABEL_IS_VALID 0 100#define CMLB_LABEL_IS_INVALID 1 101 102#define CMLB_2TB_BLOCKS 0xffffffff 103#define CMLB_1TB_BLOCKS 0x7fffffff 104 105#define CMLB_EXTVTOC_LIMIT CMLB_2TB_BLOCKS 106#define CMLB_OLDVTOC_LIMIT CMLB_1TB_BLOCKS 107 108/* 109 * fdisk partition mapping structure 110 */ 111struct fmap { 112 ulong_t fmap_start; /* starting block number */ 113 ulong_t fmap_nblk; /* number of blocks */ 114}; 115 116/* for cm_state */ 117typedef enum { 118 CMLB_INITED = 0, 119 CMLB_ATTACHED 120} cmlb_state_t; 121 122typedef enum 123{ 124 CMLB_LABEL_UNDEF = 0, 125 CMLB_LABEL_VTOC, 126 CMLB_LABEL_EFI 127} cmlb_label_t; 128 129#define CMLB_ALLOW_2TB_WARN 0x1 130 131 132typedef struct cmlb_lun { 133 dev_info_t *cl_devi; /* pointer to devinfo */ 134 struct dk_vtoc cl_vtoc; /* disk VTOC */ 135 struct dk_geom cl_g; /* disk geometry */ 136 137 diskaddr_t cl_blockcount; /* capacity */ 138 uint32_t cl_tgt_blocksize; /* blocksize */ 139 140 diskaddr_t cl_solaris_size; /* size of Solaris partition */ 141 uint_t cl_solaris_offset; /* offset to Solaris part. */ 142 143 struct dk_map cl_map[MAXPART]; /* logical partitions */ 144 /* cylno is overloaded. used */ 145 /* for starting block for EFI */ 146 147 diskaddr_t cl_offset[MAXPART]; /* partition start blocks */ 148 149 struct fmap cl_fmap[FD_NUMPART]; /* fdisk partitions */ 150 151 uchar_t cl_asciilabel[LEN_DKL_ASCII]; /* Disk ASCII label */ 152 153 /* 154 * This is the HBAs current notion of the geometry of the drive, 155 * for HBAs that support the "geometry" property. 156 */ 157 struct cmlb_geom cl_lgeom; 158 159 /* 160 * This is the geometry of the device as reported by the MODE SENSE, 161 * command, Page 3 (Format Device Page) and Page 4 (Rigid Disk Drive 162 * Geometry Page), assuming MODE SENSE is supported by the target. 163 */ 164 struct cmlb_geom cl_pgeom; 165 166 ushort_t cl_dkg_skew; /* skew */ 167 168 cmlb_label_t cl_def_labeltype; /* default label type */ 169 170 /* label type based on which minor nodes were created last */ 171 cmlb_label_t cl_last_labeltype; 172 173 cmlb_label_t cl_cur_labeltype; /* current label type */ 174 175 /* indicates whether vtoc label is read from media */ 176 cmlb_label_t cl_label_from_media; 177 178 cmlb_state_t cl_state; /* state of handle */ 179 180 boolean_t cl_f_geometry_is_valid; 181 int cl_sys_blocksize; 182 183 kmutex_t cl_mutex; 184 185 /* the following are passed in at attach time */ 186 boolean_t cl_is_removable; /* is removable */ 187 boolean_t cl_is_hotpluggable; /* is hotpluggable */ 188 int cl_alter_behavior; 189 char *cl_node_type; /* DDI_NT_... */ 190 int cl_device_type; /* DTYPE_DIRECT,.. */ 191 int cl_reserved; /* reserved efi partition # */ 192 cmlb_tg_ops_t *cmlb_tg_ops; 193 uint8_t cl_msglog_flag; /* used to enable/suppress */ 194 /* certain log messages */ 195} cmlb_lun_t; 196 197_NOTE(SCHEME_PROTECTS_DATA("stable data", cmlb_lun::cmlb_tg_ops)) 198_NOTE(SCHEME_PROTECTS_DATA("stable data", cmlb_lun::cl_devi)) 199_NOTE(SCHEME_PROTECTS_DATA("stable data", cmlb_lun::cl_is_removable)) 200_NOTE(SCHEME_PROTECTS_DATA("stable data", cmlb_lun::cl_is_hotpluggable)) 201_NOTE(SCHEME_PROTECTS_DATA("stable data", cmlb_lun::cl_node_type)) 202_NOTE(SCHEME_PROTECTS_DATA("stable data", cmlb_lun::cl_sys_blocksize)) 203_NOTE(SCHEME_PROTECTS_DATA("stable data", cmlb_lun::cl_alter_behavior)) 204_NOTE(SCHEME_PROTECTS_DATA("private data", cmlb_geom)) 205_NOTE(SCHEME_PROTECTS_DATA("safe sharing", cmlb_lun::cl_f_geometry_is_valid)) 206 207_NOTE(MUTEX_PROTECTS_DATA(cmlb_lun::cl_mutex, cmlb_lun::cl_vtoc)) 208 209 210#define DK_TG_READ(ihdlp, bufaddr, start_block, reqlength, tg_cookie)\ 211 (ihdlp->cmlb_tg_ops->tg_rdwr)(CMLB_DEVINFO(ihdlp), TG_READ, \ 212 bufaddr, start_block, reqlength, tg_cookie) 213 214#define DK_TG_WRITE(ihdlp, bufaddr, start_block, reqlength, tg_cookie)\ 215 (ihdlp->cmlb_tg_ops->tg_rdwr)(CMLB_DEVINFO(ihdlp), TG_WRITE,\ 216 bufaddr, start_block, reqlength, tg_cookie) 217 218#define DK_TG_GETPHYGEOM(ihdlp, phygeomp, tg_cookie) \ 219 (ihdlp->cmlb_tg_ops->tg_getinfo)(CMLB_DEVINFO(ihdlp), TG_GETPHYGEOM,\ 220 (void *)phygeomp, tg_cookie) 221 222#define DK_TG_GETVIRTGEOM(ihdlp, virtgeomp, tg_cookie) \ 223 (ihdlp->cmlb_tg_ops->tg_getinfo)(CMLB_DEVINFO(ihdlp), TG_GETVIRTGEOM,\ 224 (void *)virtgeomp, tg_cookie) 225 226#define DK_TG_GETCAP(ihdlp, capp, tg_cookie) \ 227 (ihdlp->cmlb_tg_ops->tg_getinfo)(CMLB_DEVINFO(ihdlp), TG_GETCAPACITY,\ 228 capp, tg_cookie) 229 230#define DK_TG_GETBLOCKSIZE(ihdlp, lbap, tg_cookie) \ 231 (ihdlp->cmlb_tg_ops->tg_getinfo)(CMLB_DEVINFO(ihdlp),\ 232 TG_GETBLOCKSIZE, lbap, tg_cookie) 233 234#define DK_TG_GETATTRIBUTE(ihdlp, attributep, tg_cookie) \ 235 (ihdlp->cmlb_tg_ops->tg_getinfo)(CMLB_DEVINFO(ihdlp), TG_GETATTR,\ 236 attributep, tg_cookie) 237 238#ifdef __cplusplus 239} 240#endif 241 242#endif /* _SYS_CMLB_IMPL_H */ 243