| 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 | |