array.h revision 331722
1/*
2 * Copyright (c) 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: stable/11/sys/dev/hptrr/array.h 331722 2018-03-29 02:50:57Z eadler $
27 */
28#include <dev/hptrr/hptrr_config.h>
29/*
30 * $Id: array.h,v 1.44 2007/11/01 03:05:27 gmm Exp $
31 * Copyright (C) 2004-2005 HighPoint Technologies, Inc. All rights reserved.
32 */
33#ifndef _HPT_ARRAY_H_
34#define _HPT_ARRAY_H_
35
36#define VERMAGIC_ARRAY 43
37
38#if defined(__cplusplus)
39extern "C" {
40#endif
41
42#define MAX_ARRAY_NAME 16
43
44#ifndef MAX_MEMBERS
45#define MAX_MEMBERS    16
46#endif
47
48#if MAX_MEMBERS<=16
49typedef HPT_U16 HPT_MMASK;
50#elif MAX_MEMBERS<=32
51typedef HPT_U32 HPT_MMASK;
52#elif MAX_MEMBERS<=64
53typedef HPT_U64 HPT_MMASK;
54#else
55#error "MAX_MEMBERS too large"
56#endif
57
58#define HPT_MMASK_VALUE(x) (HPT_MMASK)((HPT_MMASK)1<<(x))
59
60#if MAX_MEMBERS<32
61#define HPT_MMASK_VALUE_SAFE(x) HPT_MMASK_VALUE(x)
62#else
63#define HPT_MMASK_VALUE_SAFE(x) ((x)>=MAX_MEMBERS? (HPT_MMASK)0 : HPT_MMASK_VALUE(x))
64#endif
65
66#define MAX_REBUILD_SECTORS 128
67
68typedef struct _RAID_FLAGS {
69	HPT_UINT rf_need_initialize : 1;
70	HPT_UINT rf_need_rebuild: 1;
71	HPT_UINT rf_need_sync: 1;
72	/* ioctl flags */
73	HPT_UINT rf_auto_rebuild: 1;
74	HPT_UINT rf_rebuilding: 1;
75	HPT_UINT rf_verifying: 1;
76	HPT_UINT rf_initializing: 1;
77	HPT_UINT rf_abort_verifying: 1;
78	HPT_UINT rf_raid15: 1;
79	HPT_UINT rf_v3_format : 1;
80	HPT_UINT rf_need_transform : 1;
81	HPT_UINT rf_transforming : 1;
82	HPT_UINT rf_abort_transform : 1;
83	HPT_UINT rf_log_write: 1;
84} RAID_FLAGS;
85
86typedef struct transform_cmd_ext
87{
88	HPT_LBA lba;
89	HPT_U16 total_sectors;
90	HPT_U16 finished_sectors;
91} TRANSFORM_CMD_EXT , *PTRANSFORM_CMD_EXT;
92
93
94#define TO_MOVE_DATA        0
95#define TO_INITIALIZE       1
96#define TO_INITIALIZE_ONLY  2
97#define TO_MOVE_DATA_ONLY   3
98typedef struct hpt_transform
99{
100	HPT_U32 stamp;
101	PVDEV source;
102	PVDEV target;
103	struct list_head link;
104	HPT_U8 transform_from_tail;
105	struct tq_item task;
106
107	struct lock_request lock;
108	TRANSFORM_CMD_EXT cmdext;
109
110	HPT_U64 transform_point;
111	HPT_U16 transform_sectors_per_step;
112	HPT_U8  operation;
113	HPT_U8  disabled;
114} HPT_TRANSFORM, *PHPT_TRANSFORM;
115
116typedef struct hpt_array
117{
118	HPT_U32 array_stamp;
119	HPT_U32 data_stamp;
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
158void ldm_start_rebuild(struct _VDEV *pArray);
159#else
160#define ldm_start_rebuild(pArray)
161#endif
162
163typedef 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
170typedef 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
179HPT_U16 get_strip_size(PVDEV vd);
180
181void ldm_check_array_online(PVDEV pArray);
182void ldm_generic_member_failed(PVDEV member);
183void ldm_sync_array_info(PVDEV pArray);
184void ldm_sync_array_stamp(PVDEV pArray);
185void ldm_add_spare_to_array(PVDEV pArray, PVDEV spare_partition);
186
187#if defined(__cplusplus)
188}
189#endif
190#endif
191