mirror of
https://github.com/freebsd/freebsd-src
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276 lines
9.3 KiB
C
276 lines
9.3 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2004-2005 HighPoint Technologies, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _ARRAY_H_
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#define _ARRAY_H_
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/*
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* time represented in DWORD format
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*/
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#pragma pack(1)
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#ifdef __BIG_ENDIAN_BITFIELD
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typedef DWORD TIME_RECORD;
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#else
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typedef struct _TIME_RECORD {
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UINT seconds:6; /* 0 - 59 */
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UINT minutes:6; /* 0 - 59 */
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UINT month:4; /* 1 - 12 */
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UINT hours:6; /* 0 - 59 */
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UINT day:5; /* 1 - 31 */
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UINT year:5; /* 0=2000, 31=2031 */
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} TIME_RECORD;
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#endif
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#pragma pack()
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/***************************************************************************
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* Description: Virtual Device Table
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***************************************************************************/
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typedef struct _RaidArray
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{
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/*
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* basic information
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*/
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UCHAR bArnMember; /* the number of members in array */
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UCHAR bArRealnMember; /* real member count */
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UCHAR bArBlockSizeShift; /* the number of shift bit for a block */
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UCHAR reserve1;
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ULONG dArStamp; /* array ID. all disks in a array has same ID */
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ULONG failedStamps[4]; /* stamp for failed members */
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USHORT bStripeWitch; /* = (1 << BlockSizeShift) */
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USHORT rf_broken: 1;
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USHORT rf_need_rebuild: 1; /* one member's data are incorrect.
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for R5, if CriticalMembers==0, it means
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parity needs to be constructed */
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USHORT rf_need_sync: 1; /* need write array info to disk */
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/* ioctl flags */
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USHORT rf_auto_rebuild: 1;
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USHORT rf_newly_created: 1;
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USHORT rf_rebuilding: 1;
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USHORT rf_verifying: 1;
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USHORT rf_initializing: 1;
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USHORT rf_abort_rebuild: 1;
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USHORT rf_duplicate_and_create: 1;
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USHORT rf_duplicate_and_created: 1;
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USHORT rf_duplicate_must_done: 1;
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USHORT rf_raid15: 1;
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USHORT CriticalMembers; /* tell which member is critial */
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UCHAR last_read; /* for RAID 1 load banlancing */
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UCHAR alreadyBroken;
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LBA_T RebuildSectors; /* how many sectors is OK (LBA on member disk) */
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PVDevice pMember[MAX_MEMBERS];
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/*
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* utility working data
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*/
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UCHAR ArrayName[MAX_ARRAY_NAME]; /* The Name of the array */
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TIME_RECORD CreateTime; /* when created it */
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UCHAR Description[64]; /* array description */
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UCHAR CreateManager[16]; /* who created it */
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} RaidArray;
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/***************************************************************************
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* Array Description on disk
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***************************************************************************/
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#pragma pack(1)
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typedef struct _ArrayDescript
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{
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ULONG Signature; /* This block is vaild array info block */
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ULONG dArStamp; /* array ID. all disks in a array has same ID */
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UCHAR bCheckSum; /* check sum of ArrayDescript_3_0_size bytes */
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#ifdef __BIG_ENDIAN_BITFIELD
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UCHAR df_reservedbits: 6; /* put more flags here */
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UCHAR df_user_mode_set: 1;/* user select device mode */
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UCHAR df_bootmark:1; /* user set boot mark on the disk */
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#else
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UCHAR df_bootmark:1; /* user set boot mark on the disk */
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UCHAR df_user_mode_set: 1;/* user select device mode */
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UCHAR df_reservedbits: 6; /* put more flags here */
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#endif
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UCHAR bUserDeviceMode; /* see device.h */
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UCHAR ArrayLevel; /* how many level[] is valid */
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struct {
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ULONG Capacity; /* capacity for the array */
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UCHAR VDeviceType; /* see above & arrayType in array.h */
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UCHAR bMemberCount; /* all disk in the array */
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UCHAR bSerialNumber; /* Serial Number */
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UCHAR bArBlockSizeShift; /* the number of shift bit for a block */
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#ifdef __BIG_ENDIAN_BITFIELD
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USHORT rf_reserved: 14;
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USHORT rf_raid15: 1; /* don't remove even you don't use it */
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USHORT rf_need_rebuild:1; /* array is critical */
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#else
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USHORT rf_need_rebuild:1; /* array is critical */
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USHORT rf_raid15: 1; /* don't remove even you don't use it */
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USHORT rf_reserved: 14;
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#endif
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USHORT CriticalMembers; /* record critical members */
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ULONG RebuildSectors; /* how many sectors is OK (LBA on member disk) */
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} level[2];
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UCHAR ArrayName[MAX_ARRAY_NAME]; /* The Name of the array */
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TIME_RECORD CreateTime; /* when created it */
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UCHAR Description[64]; /* array description */
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UCHAR CreateManager[16]; /* who created it */
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#define ArrayDescript_3_0_size ((unsigned)(ULONG_PTR)&((struct _ArrayDescript *)0)->bCheckSum31)
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#define ArrayDescript_3_1_size 512
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UCHAR bCheckSum31; /* new check sum */
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UCHAR PrivateFlag1; /* private */
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UCHAR alreadyBroken; /* last stamp has been saved to failedStamps */
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#ifdef __BIG_ENDIAN_BITFIELD
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UCHAR df_read_ahead: 1; /* enable read ahead */
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UCHAR df_read_ahead_set: 1;
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UCHAR df_write_cache: 1; /* enable write cache */
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UCHAR df_write_cache_set: 1;
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UCHAR df_ncq: 1; /* enable NCQ */
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UCHAR df_ncq_set: 1;
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UCHAR df_tcq: 1; /* enable TCQ */
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UCHAR df_tcq_set: 1;
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#else
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UCHAR df_tcq_set: 1;
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UCHAR df_tcq: 1; /* enable TCQ */
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UCHAR df_ncq_set: 1;
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UCHAR df_ncq: 1; /* enable NCQ */
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UCHAR df_write_cache_set: 1;
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UCHAR df_write_cache: 1; /* enable write cache */
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UCHAR df_read_ahead_set: 1;
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UCHAR df_read_ahead: 1; /* enable read ahead */
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#endif
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struct {
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ULONG CapacityHi32;
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ULONG RebuildSectorsHi32;
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}
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levelex[2];
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ULONG failedStamps[4]; /* failed memebrs's stamps */
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} ArrayDescript;
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/* report an error if ArrayDescript size exceed 512 */
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typedef char ArrayDescript_size_should_not_exceed_512[512-sizeof(ArrayDescript)];
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#pragma pack()
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/* Signature */
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#define HPT_ARRAY_V3 0x5a7816f3
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#ifdef ARRAY_V2_ONLY
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#define SAVE_FOR_RAID_INFO 0
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#else
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#define SAVE_FOR_RAID_INFO 10
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#endif
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/***************************************************************************
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* Function protocol for array layer
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***************************************************************************/
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/*
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* array.c
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*/
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ULONG FASTCALL GetStamp(void);
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void HPTLIBAPI SyncArrayInfo(PVDevice pVDev);
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void HPTLIBAPI fDeleteArray(_VBUS_ARG PVDevice pVArray, BOOLEAN del_block0);
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/*
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* iArray.c
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*/
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void HPTLIBAPI fCheckArray(PDevice pDevice);
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void HPTLIBAPI CheckArrayCritical(_VBUS_ARG0);
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PVDevice HPTLIBAPI GetSpareDisk(_VBUS_ARG PVDevice pArray);
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#ifdef SUPPORT_OLD_ARRAY
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void HPTLIBAPI fFixRAID01Stripe(_VBUS_ARG PVDevice pStripe);
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#endif
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/***************************************************************************
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* Macro defination
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***************************************************************************/
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#ifndef MAX_ARRAY_PER_VBUS
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#define MAX_ARRAY_PER_VBUS (MAX_VDEVICE_PER_VBUS*2) /* worst case */
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#endif
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#if defined(MAX_ARRAY_DEVICE)
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#if MAX_ARRAY_DEVICE!=MAX_ARRAY_PER_VBUS
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#error "remove MAX_ARRAY_DEVICE and use MAX_ARRAY_PER_VBUS instead"
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#endif
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#endif
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#define _SET_ARRAY_BUS_(pArray) pArray->pVBus = _vbus_p;
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#ifdef ARRAY_V2_ONLY
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#define _SET_ARRAY_VER_(pArray) pArray->vf_format_v2 = 1;
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#else
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#define _SET_ARRAY_VER_(pArray)
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#endif
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#define mArGetArrayTable(pVArray) \
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if((pVArray = _vbus_(pFreeArrayLink)) != 0) { \
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_vbus_(pFreeArrayLink) = (PVDevice)_vbus_(pFreeArrayLink)->pVBus; \
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ZeroMemory(pVArray, ARRAY_VDEV_SIZE); \
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_SET_ARRAY_BUS_(pVArray) \
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_SET_ARRAY_VER_(pVArray) \
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} else
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#define mArFreeArrayTable(pVArray) \
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do { \
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pVArray->pVBus = (PVBus)_vbus_(pFreeArrayLink);\
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_vbus_(pFreeArrayLink) = pVArray; \
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pVArray->u.array.dArStamp = 0; \
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} while(0)
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UCHAR CheckSum(UCHAR *p, int size);
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void HPTLIBAPI fRAID0SendCommand(_VBUS_ARG PCommand pCmd);
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void HPTLIBAPI fRAID1SendCommand(_VBUS_ARG PCommand pCmd);
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void HPTLIBAPI fJBODSendCommand(_VBUS_ARG PCommand pCmd);
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void HPTLIBAPI fRAID0MemberFailed(_VBUS_ARG PVDevice pVDev);
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void HPTLIBAPI fRAID1MemberFailed(_VBUS_ARG PVDevice pVDev);
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void HPTLIBAPI fJBODMemberFailed(_VBUS_ARG PVDevice pVDev);
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#if SUPPORT_RAID5
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void HPTLIBAPI fRAID5SendCommand(_VBUS_ARG PCommand pCmd);
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void HPTLIBAPI fRAID5MemberFailed(_VBUS_ARG PVDevice pVDev);
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#else
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#define fRAID5SendCommand 0
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#define fRAID5MemberFailed 0
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#endif
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#endif
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