1 | /* $NetBSD: ata_raidvar.h,v 1.12 2010/07/06 18:03:21 bsh Exp $ */ |
2 | |
3 | /* |
4 | * Copyright (c) 2003 Wasabi Systems, Inc. |
5 | * All rights reserved. |
6 | * |
7 | * Written by Jason R. Thorpe for Wasabi Systems, Inc. |
8 | * |
9 | * Redistribution and use in source and binary forms, with or without |
10 | * modification, are permitted provided that the following conditions |
11 | * are met: |
12 | * 1. Redistributions of source code must retain the above copyright |
13 | * notice, this list of conditions and the following disclaimer. |
14 | * 2. Redistributions in binary form must reproduce the above copyright |
15 | * notice, this list of conditions and the following disclaimer in the |
16 | * documentation and/or other materials provided with the distribution. |
17 | * 3. All advertising materials mentioning features or use of this software |
18 | * must display the following acknowledgement: |
19 | * This product includes software developed for the NetBSD Project by |
20 | * Wasabi Systems, Inc. |
21 | * 4. The name of Wasabi Systems, Inc. may not be used to endorse |
22 | * or promote products derived from this software without specific prior |
23 | * written permission. |
24 | * |
25 | * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND |
26 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
27 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
28 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC |
29 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
30 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
31 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
32 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
33 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
34 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
35 | * POSSIBILITY OF SUCH DAMAGE. |
36 | */ |
37 | |
38 | #ifndef _DEV_ATA_ATA_RAIDVAR_H_ |
39 | #define _DEV_ATA_ATA_RAIDVAR_H_ |
40 | |
41 | #include <sys/queue.h> |
42 | |
43 | /* |
44 | * Types of RAID configurations we support. Do not change the order |
45 | * of this list, as it will change the order in which the arrays are |
46 | * sorted. |
47 | * |
48 | * If this list is updated, ensure the array in |
49 | * ata_raid.c:ata_raid_type_name() is also updated. |
50 | */ |
51 | #define ATA_RAID_TYPE_PROMISE 0 |
52 | #define ATA_RAID_TYPE_ADAPTEC 1 |
53 | #define ATA_RAID_TYPE_VIA 2 |
54 | #define ATA_RAID_TYPE_NVIDIA 3 |
55 | #define ATA_RAID_TYPE_JMICRON 4 |
56 | #define ATA_RAID_TYPE_INTEL 5 |
57 | #define ATA_RAID_TYPE_MAX 5 |
58 | |
59 | /* |
60 | * Max # of disks supported by a single array. This is limited by |
61 | * the number that the individual controller config blocks can support: |
62 | * |
63 | * Promise 8 |
64 | */ |
65 | #define ATA_RAID_MAX_DISKS 8 |
66 | |
67 | struct ataraid_disk_info { |
68 | device_t adi_dev; /* disk's device */ |
69 | int adi_status; /* disk's status */ |
70 | uint64_t adi_sectors; |
71 | uint64_t adi_compsize; /* in sectors */ |
72 | }; |
73 | |
74 | /* adi_status */ |
75 | #define ADI_S_ONLINE 0x01 |
76 | #define ADI_S_ASSIGNED 0x02 |
77 | #define ADI_S_SPARE 0x04 |
78 | |
79 | struct ataraid_array_info { |
80 | TAILQ_ENTRY(ataraid_array_info) aai_list; |
81 | |
82 | device_t aai_ld; /* associated logical disk */ |
83 | |
84 | u_int aai_type; /* array type */ |
85 | u_int aai_arrayno; /* array number */ |
86 | int aai_level; /* RAID level */ |
87 | int aai_generation; /* config generation # */ |
88 | int aai_status; /* array status */ |
89 | |
90 | /* Geometry info. */ |
91 | u_int aai_interleave; /* stripe size */ |
92 | u_int aai_width; /* array width */ |
93 | u_int aai_ndisks; /* number of disks */ |
94 | u_int aai_heads; /* tracks/cyl */ |
95 | u_int aai_sectors; /* secs/track */ |
96 | u_int aai_cylinders; /* cyl/unit */ |
97 | uint64_t aai_capacity; /* in sectors */ |
98 | daddr_t aai_offset; /* component start offset */ |
99 | uint64_t aai_reserved; /* component reserved sectors */ |
100 | |
101 | char aai_name[32]; /* array volume name */ |
102 | |
103 | uint aai_curdisk; /* to enumerate component disks */ |
104 | struct ataraid_disk_info aai_disks[ATA_RAID_MAX_DISKS]; |
105 | }; |
106 | |
107 | /* aai_level */ |
108 | #define AAI_L_SPAN 0x01 |
109 | #define AAI_L_RAID0 0x02 |
110 | #define AAI_L_RAID1 0x04 |
111 | #define AAI_L_RAID5 0x08 |
112 | |
113 | /* aai_status */ |
114 | #define AAI_S_READY 0x01 |
115 | #define AAI_S_DEGRADED 0x02 |
116 | |
117 | struct vnode; |
118 | struct wd_softc; |
119 | |
120 | typedef TAILQ_HEAD(, ataraid_array_info) ataraid_array_info_list_t; |
121 | extern ataraid_array_info_list_t ataraid_array_info_list; |
122 | |
123 | void ata_raid_check_component(device_t); |
124 | const char *ata_raid_type_name(u_int); |
125 | |
126 | struct ataraid_array_info *ata_raid_get_array_info(u_int, u_int); |
127 | int ata_raid_config_block_rw(struct vnode *, daddr_t, void *, |
128 | size_t, int); |
129 | |
130 | struct vnode *ata_raid_disk_vnode_find(struct ataraid_disk_info *); |
131 | |
132 | /* Promise RAID support */ |
133 | int ata_raid_read_config_promise(struct wd_softc *); |
134 | |
135 | /* Adaptec HostRAID support */ |
136 | int ata_raid_read_config_adaptec(struct wd_softc *); |
137 | |
138 | /* VIA V-RAID support */ |
139 | int ata_raid_read_config_via(struct wd_softc *); |
140 | |
141 | /* nVidia MediaShield support */ |
142 | int ata_raid_read_config_nvidia(struct wd_softc *); |
143 | |
144 | /* JMicron RAID support */ |
145 | int ata_raid_read_config_jmicron(struct wd_softc *); |
146 | |
147 | /* Intel MatrixRAID support */ |
148 | int ata_raid_read_config_intel(struct wd_softc *); |
149 | |
150 | #endif /* _DEV_ATA_ATA_RAIDVAR_H_ */ |
151 | |