sys/dev/raid/hpt27xx/array.h

   1 /*-
   2  * Copyright (c) 2011 HighPoint Technologies, Inc.
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  24  * SUCH DAMAGE.
  25  *
  26  * $FreeBSD: src/sys/dev/hpt27xx/array.h,v 1.1 2011/12/28 23:26:58 delphij Exp $
  27  */
  28
  29 #include <dev/raid/hpt27xx/hpt27xx_config.h>
  30
  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