1 /* $NetBSD: rf_compat80.h,v 1.2 2018/01/20 01:32:45 mrg Exp $ */ 2 3 /* 4 * Copyright (c) 2017 Matthew R. Green 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 * 3. The name of the author may not be used to endorse or promote products 16 * derived from this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 23 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 24 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 25 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 */ 30 31 #ifndef _RF_COMPAT80_H_ 32 #define _RF_COMPAT80_H_ 33 34 #include <sys/ioccom.h> 35 36 /* NetBSD 8.99.x removed the row, raidPtr and next members */ 37 struct rf_recon_req80 { 38 RF_RowCol_t row, col; 39 RF_ReconReqFlags_t flags; 40 void *raidPtr; /* used internally; need not be set at ioctl 41 * time */ 42 struct rf_recon_req *next; /* used internally; need not be set at 43 * ioctl time */ 44 }; 45 46 /* NetBSD 8.99.x made this structure alignment neutral */ 47 typedef struct RF_RaidDisk_s80 { 48 char devname[56]; /* name of device file */ 49 RF_DiskStatus_t status; /* whether it is up or down */ 50 RF_RowCol_t spareRow; /* if in status "spared", this identifies the 51 * spare disk */ 52 RF_RowCol_t spareCol; /* if in status "spared", this identifies the 53 * spare disk */ 54 RF_SectorCount_t numBlocks; /* number of blocks, obtained via READ 55 * CAPACITY */ 56 int blockSize; 57 RF_SectorCount_t partitionSize; /* The *actual* and *full* size of 58 the partition, from the disklabel */ 59 int auto_configured;/* 1 if this component was autoconfigured. 60 0 otherwise. */ 61 dev_t dev; 62 } RF_RaidDisk_t80; 63 64 typedef struct RF_DeviceConfig_s80 { 65 u_int rows; 66 u_int cols; 67 u_int maxqdepth; 68 int ndevs; 69 RF_RaidDisk_t80 devs[RF_MAX_DISKS]; 70 int nspares; 71 RF_RaidDisk_t80 spares[RF_MAX_DISKS]; 72 } RF_DeviceConfig_t80; 73 74 typedef struct RF_Config_s80 { 75 RF_RowCol_t numRow, numCol, numSpare; /* number of rows, columns, 76 * and spare disks */ 77 dev_t devs[RF_MAXROW][RF_MAXCOL]; /* device numbers for disks 78 * comprising array */ 79 char devnames[RF_MAXROW][RF_MAXCOL][50]; /* device names */ 80 dev_t spare_devs[RF_MAXSPARE]; /* device numbers for spare 81 * disks */ 82 char spare_names[RF_MAXSPARE][50]; /* device names */ 83 RF_SectorNum_t sectPerSU; /* sectors per stripe unit */ 84 RF_StripeNum_t SUsPerPU;/* stripe units per parity unit */ 85 RF_StripeNum_t SUsPerRU;/* stripe units per reconstruction unit */ 86 RF_ParityConfig_t parityConfig; /* identifies the RAID architecture to 87 * be used */ 88 RF_DiskQueueType_t diskQueueType; /* 'f' = fifo, 'c' = cvscan, 89 * not used in kernel */ 90 char maxOutstandingDiskReqs; /* # concurrent reqs to be sent to a 91 * disk. not used in kernel. */ 92 char debugVars[RF_MAXDBGV][50]; /* space for specifying debug 93 * variables & their values */ 94 unsigned int layoutSpecificSize; /* size in bytes of 95 * layout-specific info */ 96 void *layoutSpecific; /* a pointer to a layout-specific structure to 97 * be copied in */ 98 int force; /* if !0, ignore many fatal 99 configuration conditions */ 100 /* 101 "force" is used to override cases where the component labels would 102 indicate that configuration should not proceed without user 103 intervention 104 */ 105 } RF_Config_t80; 106 107 /* 108 * These ioctls were versioned after NetBSD 8.x. 109 * 110 * RAIDFRAME_FAIL_DISK had unused pointers removed from the structure. 111 * RAIDFRAME_CHECK_*EXT and RAIDFRAME_GET_COMPONENT_LABEL were converted 112 * from pointers to full structures so that ioctl framework does the copyout. 113 * RAIDFRAME_GET_INFO80 had the containing structure reorganised so that 114 * the layout became bitsize neutral. 115 * 116 * These 6 changes enable COMPAT_NETBSD32 support to work sanely with 117 * these ioctls, leaving only RAIDFRAME_CONFIGURE needing extra help. 118 */ 119 120 #define RAIDFRAME_FAIL_DISK80 _IOW ('r', 5, struct rf_recon_req80) 121 #define RAIDFRAME_GET_COMPONENT_LABEL80 _IOWR('r', 19, RF_ComponentLabel_t *) 122 #define RAIDFRAME_CHECK_RECON_STATUS_EXT80 _IOWR('r', 32, RF_ProgressInfo_t *) 123 #define RAIDFRAME_CHECK_PARITYREWRITE_STATUS_EXT80 _IOWR('r', 33, RF_ProgressInfo_t *) 124 #define RAIDFRAME_CHECK_COPYBACK_STATUS_EXT80 _IOWR('r', 34, RF_ProgressInfo_t *) 125 #define RAIDFRAME_GET_INFO80 _IOWR('r', 36, RF_DeviceConfig_t80 *) 126 #define RAIDFRAME_CONFIGURE80 _IOW ('r', 35, void *) 127 128 int rf_check_recon_status_ext80(RF_Raid_t *, void *); 129 int rf_check_parityrewrite_status_ext80(RF_Raid_t *, void *); 130 int rf_check_copyback_status_ext80(RF_Raid_t *, void *); 131 int rf_get_info80(RF_Raid_t *, void *); 132 int rf_get_component_label80(RF_Raid_t *, void *); 133 int rf_config80(RF_Raid_t *, int, void *, RF_Config_t **); 134 135 #endif /* _RF_COMPAT80_H_ */ 136