array.h revision 330897 
1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2004-2011 HighPoint Technologies, Inc.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 *
28 * $FreeBSD: stable/11/sys/dev/hpt27xx/array.h 330897 2018-03-14 03:19:51Z eadler $
29 */
30
31#include <dev/hpt27xx/hpt27xx_config.h>
32
33#ifndef _HPT_ARRAY_H_
34#define _HPT_ARRAY_H_
35
36#define VERMAGIC_ARRAY 46
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	HPT_U32 array_sn;
121
122	HPT_U8  ndisk;
123	HPT_U8  block_size_shift;
124	HPT_U16 strip_width;
125	HPT_U8  sector_size_shift; /*sector size = 512B<<sector_size_shift*/
126	HPT_U8  jid;
127	HPT_U8  reserved[2];
128
129
130	HPT_MMASK outdated_members;
131	HPT_MMASK offline_members;
132
133	PVDEV member[MAX_MEMBERS];
134
135	RAID_FLAGS flags;
136
137	HPT_U64 rebuilt_sectors;
138
139
140	HPT_U8 name[MAX_ARRAY_NAME];
141	PHPT_TRANSFORM transform;
142
143	TIME_RECORD create_time;
144	HPT_U8  description[64];
145	HPT_U8  create_manager[16];
146
147#ifdef OS_SUPPORT_TASK
148	int floating_priority;
149	OSM_TASK ioctl_task;
150	IOCTL_ARG ioctl_arg;
151
152	char ioctl_inbuf[sizeof(PVDEV)+sizeof(HPT_U64)+sizeof(HPT_U16)];
153	char ioctl_outbuf[sizeof(HPT_UINT)];
154#endif
155
156} HPT_ARRAY, *PHPT_ARRAY;
157
158#ifdef OS_SUPPORT_TASK
159void ldm_start_rebuild(struct _VDEV *pArray);
160#else
161#define ldm_start_rebuild(pArray)
162#endif
163
164typedef struct _raw_partition{
165	struct _raw_partition * next;
166	__HPT_RAW_LBA start;
167	__HPT_RAW_LBA capacity;
168	PVDEV   vd_part;
169} RAW_PARTITION, *PRAW_PARTITION;
170
171typedef struct hpt_partiton
172{
173	PVDEV raw_disk;
174	__HPT_RAW_LBA des_location;
175	PRAW_PARTITION raw_part;
176	HPT_U8  del_mbr;
177	HPT_U8  reserved[3];
178} HPT_PARTITION, *PHPT_PARTITION;
179
180void ldm_check_array_online(PVDEV pArray);
181void ldm_generic_member_failed(PVDEV member);
182void ldm_sync_array_info(PVDEV pArray);
183void ldm_sync_array_stamp(PVDEV pArray);
184void ldm_add_spare_to_array(PVDEV pArray, PVDEV spare_partition);
185
186#if defined(__cplusplus)
187}
188#endif
189#endif
190