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