FreeBSD/Linux Kernel Cross Reference
sys/dev/hptnr/array.h
1 /* $Id: array.h,v 1.46 2010/02/05 06:57:43 mah Exp $ */
2 /*-
3 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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
Cache object: 7eede5af1d5af7eccb4e13041d7e9ebb
|