1 /* $Id: array.h,v 1.46 2010/02/05 06:57:43 mah Exp $ */ 2 /*- 3 * SPDX-License-Identifier: BSD-2-Clause 4 * 5 * Copyright (C) 2004-2011 HighPoint Technologies, Inc. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * $FreeBSD$ 30 */ 31 #include <dev/hptnr/hptnr_config.h> 32 #ifndef _HPT_ARRAY_H_ 33 #define _HPT_ARRAY_H_ 34 35 #define VERMAGIC_ARRAY 46 36 37 #if defined(__cplusplus) 38 extern "C" { 39 #endif 40 41 #define MAX_ARRAY_NAME 16 42 43 #ifndef MAX_MEMBERS 44 #define MAX_MEMBERS 16 45 #endif 46 47 #if MAX_MEMBERS<=16 48 typedef HPT_U16 HPT_MMASK; 49 #elif MAX_MEMBERS<=32 50 typedef HPT_U32 HPT_MMASK; 51 #elif MAX_MEMBERS<=64 52 typedef HPT_U64 HPT_MMASK; 53 #else 54 #error "MAX_MEMBERS too large" 55 #endif 56 57 #define HPT_MMASK_VALUE(x) (HPT_MMASK)((HPT_MMASK)1<<(x)) 58 59 #if MAX_MEMBERS<32 60 #define HPT_MMASK_VALUE_SAFE(x) HPT_MMASK_VALUE(x) 61 #else 62 #define HPT_MMASK_VALUE_SAFE(x) ((x)>=MAX_MEMBERS? (HPT_MMASK)0 : HPT_MMASK_VALUE(x)) 63 #endif 64 65 #define MAX_REBUILD_SECTORS 128 66 67 typedef struct _RAID_FLAGS { 68 HPT_UINT rf_need_initialize : 1; 69 HPT_UINT rf_need_rebuild: 1; 70 HPT_UINT rf_need_sync: 1; 71 /* ioctl flags */ 72 HPT_UINT rf_auto_rebuild: 1; 73 HPT_UINT rf_rebuilding: 1; 74 HPT_UINT rf_verifying: 1; 75 HPT_UINT rf_initializing: 1; 76 HPT_UINT rf_abort_verifying: 1; 77 HPT_UINT rf_raid15: 1; 78 HPT_UINT rf_v3_format : 1; 79 HPT_UINT rf_need_transform : 1; 80 HPT_UINT rf_transforming : 1; 81 HPT_UINT rf_abort_transform : 1; 82 HPT_UINT rf_log_write: 1; 83 } RAID_FLAGS; 84 85 typedef struct transform_cmd_ext 86 { 87 HPT_LBA lba; 88 HPT_U16 total_sectors; 89 HPT_U16 finished_sectors; 90 } TRANSFORM_CMD_EXT , *PTRANSFORM_CMD_EXT; 91 92 93 #define TO_MOVE_DATA 0 94 #define TO_INITIALIZE 1 95 #define TO_INITIALIZE_ONLY 2 96 #define TO_MOVE_DATA_ONLY 3 97 typedef struct hpt_transform 98 { 99 HPT_U32 stamp; 100 PVDEV source; 101 PVDEV target; 102 struct list_head link; 103 HPT_U8 transform_from_tail; 104 struct tq_item task; 105 106 struct lock_request lock; 107 TRANSFORM_CMD_EXT cmdext; 108 109 HPT_U64 transform_point; 110 HPT_U16 transform_sectors_per_step; 111 HPT_U8 operation; 112 HPT_U8 disabled; 113 } HPT_TRANSFORM, *PHPT_TRANSFORM; 114 115 typedef struct hpt_array 116 { 117 HPT_U32 array_stamp; 118 HPT_U32 data_stamp; 119 HPT_U32 array_sn; 120 121 HPT_U8 ndisk; 122 HPT_U8 block_size_shift; 123 HPT_U16 strip_width; 124 HPT_U8 sector_size_shift; /*sector size = 512B<<sector_size_shift*/ 125 HPT_U8 jid; 126 HPT_U8 reserved[2]; 127 128 129 HPT_MMASK outdated_members; 130 HPT_MMASK offline_members; 131 132 PVDEV member[MAX_MEMBERS]; 133 134 RAID_FLAGS flags; 135 136 HPT_U64 rebuilt_sectors; 137 138 139 HPT_U8 name[MAX_ARRAY_NAME]; 140 PHPT_TRANSFORM transform; 141 142 TIME_RECORD create_time; 143 HPT_U8 description[64]; 144 HPT_U8 create_manager[16]; 145 146 #ifdef OS_SUPPORT_TASK 147 int floating_priority; 148 OSM_TASK ioctl_task; 149 IOCTL_ARG ioctl_arg; 150 151 char ioctl_inbuf[sizeof(PVDEV)+sizeof(HPT_U64)+sizeof(HPT_U16)]; 152 char ioctl_outbuf[sizeof(HPT_UINT)]; 153 #endif 154 155 } HPT_ARRAY, *PHPT_ARRAY; 156 157 #ifdef OS_SUPPORT_TASK 158 void ldm_start_rebuild(struct _VDEV *pArray); 159 #else 160 #define ldm_start_rebuild(pArray) 161 #endif 162 163 typedef struct _raw_partition{ 164 struct _raw_partition * next; 165 __HPT_RAW_LBA start; 166 __HPT_RAW_LBA capacity; 167 PVDEV vd_part; 168 } RAW_PARTITION, *PRAW_PARTITION; 169 170 typedef struct hpt_partiton 171 { 172 PVDEV raw_disk; 173 __HPT_RAW_LBA des_location; 174 PRAW_PARTITION raw_part; 175 HPT_U8 del_mbr; 176 HPT_U8 reserved[3]; 177 } HPT_PARTITION, *PHPT_PARTITION; 178 179 void ldm_check_array_online(PVDEV pArray); 180 void ldm_generic_member_failed(PVDEV member); 181 void ldm_sync_array_info(PVDEV pArray); 182 void ldm_sync_array_stamp(PVDEV pArray); 183 void ldm_add_spare_to_array(PVDEV pArray, PVDEV spare_partition); 184 185 #if defined(__cplusplus) 186 } 187 #endif 188 #endif 189