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 */ 30 #include <dev/hptnr/hptnr_config.h> 31 #ifndef _HPT_ARRAY_H_ 32 #define _HPT_ARRAY_H_ 33 34 #define VERMAGIC_ARRAY 46 35 36 #if defined(__cplusplus) 37 extern "C" { 38 #endif 39 40 #define MAX_ARRAY_NAME 16 41 42 #ifndef MAX_MEMBERS 43 #define MAX_MEMBERS 16 44 #endif 45 46 #if MAX_MEMBERS<=16 47 typedef HPT_U16 HPT_MMASK; 48 #elif MAX_MEMBERS<=32 49 typedef HPT_U32 HPT_MMASK; 50 #elif MAX_MEMBERS<=64 51 typedef HPT_U64 HPT_MMASK; 52 #else 53 #error "MAX_MEMBERS too large" 54 #endif 55 56 #define HPT_MMASK_VALUE(x) (HPT_MMASK)((HPT_MMASK)1<<(x)) 57 58 #if MAX_MEMBERS<32 59 #define HPT_MMASK_VALUE_SAFE(x) HPT_MMASK_VALUE(x) 60 #else 61 #define HPT_MMASK_VALUE_SAFE(x) ((x)>=MAX_MEMBERS? (HPT_MMASK)0 : HPT_MMASK_VALUE(x)) 62 #endif 63 64 #define MAX_REBUILD_SECTORS 128 65 66 typedef struct _RAID_FLAGS { 67 HPT_UINT rf_need_initialize : 1; 68 HPT_UINT rf_need_rebuild: 1; 69 HPT_UINT rf_need_sync: 1; 70 /* ioctl flags */ 71 HPT_UINT rf_auto_rebuild: 1; 72 HPT_UINT rf_rebuilding: 1; 73 HPT_UINT rf_verifying: 1; 74 HPT_UINT rf_initializing: 1; 75 HPT_UINT rf_abort_verifying: 1; 76 HPT_UINT rf_raid15: 1; 77 HPT_UINT rf_v3_format : 1; 78 HPT_UINT rf_need_transform : 1; 79 HPT_UINT rf_transforming : 1; 80 HPT_UINT rf_abort_transform : 1; 81 HPT_UINT rf_log_write: 1; 82 } RAID_FLAGS; 83 84 typedef struct transform_cmd_ext 85 { 86 HPT_LBA lba; 87 HPT_U16 total_sectors; 88 HPT_U16 finished_sectors; 89 } TRANSFORM_CMD_EXT , *PTRANSFORM_CMD_EXT; 90 91 92 #define TO_MOVE_DATA 0 93 #define TO_INITIALIZE 1 94 #define TO_INITIALIZE_ONLY 2 95 #define TO_MOVE_DATA_ONLY 3 96 typedef struct hpt_transform 97 { 98 HPT_U32 stamp; 99 PVDEV source; 100 PVDEV target; 101 struct list_head link; 102 HPT_U8 transform_from_tail; 103 struct tq_item task; 104 105 struct lock_request lock; 106 TRANSFORM_CMD_EXT cmdext; 107 108 HPT_U64 transform_point; 109 HPT_U16 transform_sectors_per_step; 110 HPT_U8 operation; 111 HPT_U8 disabled; 112 } HPT_TRANSFORM, *PHPT_TRANSFORM; 113 114 typedef struct hpt_array 115 { 116 HPT_U32 array_stamp; 117 HPT_U32 data_stamp; 118 HPT_U32 array_sn; 119 120 HPT_U8 ndisk; 121 HPT_U8 block_size_shift; 122 HPT_U16 strip_width; 123 HPT_U8 sector_size_shift; /*sector size = 512B<<sector_size_shift*/ 124 HPT_U8 jid; 125 HPT_U8 reserved[2]; 126 127 128 HPT_MMASK outdated_members; 129 HPT_MMASK offline_members; 130 131 PVDEV member[MAX_MEMBERS]; 132 133 RAID_FLAGS flags; 134 135 HPT_U64 rebuilt_sectors; 136 137 138 HPT_U8 name[MAX_ARRAY_NAME]; 139 PHPT_TRANSFORM transform; 140 141 TIME_RECORD create_time; 142 HPT_U8 description[64]; 143 HPT_U8 create_manager[16]; 144 145 #ifdef OS_SUPPORT_TASK 146 int floating_priority; 147 OSM_TASK ioctl_task; 148 IOCTL_ARG ioctl_arg; 149 150 char ioctl_inbuf[sizeof(PVDEV)+sizeof(HPT_U64)+sizeof(HPT_U16)]; 151 char ioctl_outbuf[sizeof(HPT_UINT)]; 152 #endif 153 154 } HPT_ARRAY, *PHPT_ARRAY; 155 156 #ifdef OS_SUPPORT_TASK 157 void ldm_start_rebuild(struct _VDEV *pArray); 158 #else 159 #define ldm_start_rebuild(pArray) 160 #endif 161 162 typedef struct _raw_partition{ 163 struct _raw_partition * next; 164 __HPT_RAW_LBA start; 165 __HPT_RAW_LBA capacity; 166 PVDEV vd_part; 167 } RAW_PARTITION, *PRAW_PARTITION; 168 169 typedef struct hpt_partiton 170 { 171 PVDEV raw_disk; 172 __HPT_RAW_LBA des_location; 173 PRAW_PARTITION raw_part; 174 HPT_U8 del_mbr; 175 HPT_U8 reserved[3]; 176 } HPT_PARTITION, *PHPT_PARTITION; 177 178 void ldm_check_array_online(PVDEV pArray); 179 void ldm_generic_member_failed(PVDEV member); 180 void ldm_sync_array_info(PVDEV pArray); 181 void ldm_sync_array_stamp(PVDEV pArray); 182 void ldm_add_spare_to_array(PVDEV pArray, PVDEV spare_partition); 183 184 #if defined(__cplusplus) 185 } 186 #endif 187 #endif 188