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| Current File : //sys/amd64/compile/hs32/modules/usr/src/sys/modules/geom/geom_sched/gsched_rr/@/dev/hptmv/array.h |
/*
* Copyright (c) 2004-2005 HighPoint Technologies, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD: release/9.1.0/sys/dev/hptmv/array.h 190809 2009-04-07 16:38:25Z delphij $
*/
#ifndef _ARRAY_H_
#define _ARRAY_H_
/*
* time represented in DWORD format
*/
#pragma pack(1)
#ifdef __BIG_ENDIAN_BITFIELD
typedef DWORD TIME_RECORD;
#else
typedef struct _TIME_RECORD {
UINT seconds:6; /* 0 - 59 */
UINT minutes:6; /* 0 - 59 */
UINT month:4; /* 1 - 12 */
UINT hours:6; /* 0 - 59 */
UINT day:5; /* 1 - 31 */
UINT year:5; /* 0=2000, 31=2031 */
} TIME_RECORD;
#endif
#pragma pack()
/***************************************************************************
* Description: Virtual Device Table
***************************************************************************/
typedef struct _RaidArray
{
/*
* basic information
*/
UCHAR bArnMember; /* the number of members in array */
UCHAR bArRealnMember; /* real member count */
UCHAR bArBlockSizeShift; /* the number of shift bit for a block */
UCHAR reserve1;
ULONG dArStamp; /* array ID. all disks in a array has same ID */
ULONG failedStamps[4]; /* stamp for failed members */
USHORT bStripeWitch; /* = (1 << BlockSizeShift) */
USHORT rf_broken: 1;
USHORT rf_need_rebuild: 1; /* one member's data are incorrect.
for R5, if CriticalMembers==0, it means
parity needs to be constructed */
USHORT rf_need_sync: 1; /* need write array info to disk */
/* ioctl flags */
USHORT rf_auto_rebuild: 1;
USHORT rf_newly_created: 1;
USHORT rf_rebuilding: 1;
USHORT rf_verifying: 1;
USHORT rf_initializing: 1;
USHORT rf_abort_rebuild: 1;
USHORT rf_duplicate_and_create: 1;
USHORT rf_duplicate_and_created: 1;
USHORT rf_duplicate_must_done: 1;
USHORT rf_raid15: 1;
USHORT CriticalMembers; /* tell which member is critial */
UCHAR last_read; /* for RAID 1 load banlancing */
UCHAR alreadyBroken;
LBA_T RebuildSectors; /* how many sectors is OK (LBA on member disk) */
PVDevice pMember[MAX_MEMBERS];
/*
* utility working data
*/
UCHAR ArrayName[MAX_ARRAY_NAME]; /* The Name of the array */
TIME_RECORD CreateTime; /* when created it */
UCHAR Description[64]; /* array description */
UCHAR CreateManager[16]; /* who created it */
} RaidArray;
/***************************************************************************
* Array Descripton on disk
***************************************************************************/
#pragma pack(1)
typedef struct _ArrayDescript
{
ULONG Signature; /* This block is vaild array info block */
ULONG dArStamp; /* array ID. all disks in a array has same ID */
UCHAR bCheckSum; /* check sum of ArrayDescript_3_0_size bytes */
#ifdef __BIG_ENDIAN_BITFIELD
UCHAR df_reservedbits: 6; /* put more flags here */
UCHAR df_user_mode_set: 1;/* user select device mode */
UCHAR df_bootmark:1; /* user set boot mark on the disk */
#else
UCHAR df_bootmark:1; /* user set boot mark on the disk */
UCHAR df_user_mode_set: 1;/* user select device mode */
UCHAR df_reservedbits: 6; /* put more flags here */
#endif
UCHAR bUserDeviceMode; /* see device.h */
UCHAR ArrayLevel; /* how many level[] is valid */
struct {
ULONG Capacity; /* capacity for the array */
UCHAR VDeviceType; /* see above & arrayType in array.h */
UCHAR bMemberCount; /* all disk in the array */
UCHAR bSerialNumber; /* Serial Number */
UCHAR bArBlockSizeShift; /* the number of shift bit for a block */
#ifdef __BIG_ENDIAN_BITFIELD
USHORT rf_reserved: 14;
USHORT rf_raid15: 1; /* don't remove even you don't use it */
USHORT rf_need_rebuild:1; /* array is critical */
#else
USHORT rf_need_rebuild:1; /* array is critical */
USHORT rf_raid15: 1; /* don't remove even you don't use it */
USHORT rf_reserved: 14;
#endif
USHORT CriticalMembers; /* record critical members */
ULONG RebuildSectors; /* how many sectors is OK (LBA on member disk) */
} level[2];
UCHAR ArrayName[MAX_ARRAY_NAME]; /* The Name of the array */
TIME_RECORD CreateTime; /* when created it */
UCHAR Description[64]; /* array description */
UCHAR CreateManager[16]; /* who created it */
#define ArrayDescript_3_0_size ((unsigned)(ULONG_PTR)&((struct _ArrayDescript *)0)->bCheckSum31)
#define ArrayDescript_3_1_size 512
UCHAR bCheckSum31; /* new check sum */
UCHAR PrivateFlag1; /* private */
UCHAR alreadyBroken; /* last stamp has been saved to failedStamps */
#ifdef __BIG_ENDIAN_BITFIELD
UCHAR df_read_ahead: 1; /* enable read ahead */
UCHAR df_read_ahead_set: 1;
UCHAR df_write_cache: 1; /* enable write cache */
UCHAR df_write_cache_set: 1;
UCHAR df_ncq: 1; /* enable NCQ */
UCHAR df_ncq_set: 1;
UCHAR df_tcq: 1; /* enable TCQ */
UCHAR df_tcq_set: 1;
#else
UCHAR df_tcq_set: 1;
UCHAR df_tcq: 1; /* enable TCQ */
UCHAR df_ncq_set: 1;
UCHAR df_ncq: 1; /* enable NCQ */
UCHAR df_write_cache_set: 1;
UCHAR df_write_cache: 1; /* enable write cache */
UCHAR df_read_ahead_set: 1;
UCHAR df_read_ahead: 1; /* enable read ahead */
#endif
struct {
ULONG CapacityHi32;
ULONG RebuildSectorsHi32;
}
levelex[2];
ULONG failedStamps[4]; /* failed memebrs's stamps */
} ArrayDescript;
/* report an error if ArrayDescript size exceed 512 */
typedef char ArrayDescript_size_should_not_exceed_512[512-sizeof(ArrayDescript)];
#pragma pack()
/* Signature */
#define HPT_ARRAY_V3 0x5a7816f3
#ifdef ARRAY_V2_ONLY
#define SAVE_FOR_RAID_INFO 0
#else
#define SAVE_FOR_RAID_INFO 10
#endif
/***************************************************************************
* Function protocol for array layer
***************************************************************************/
/*
* array.c
*/
ULONG FASTCALL GetStamp(void);
void HPTLIBAPI SyncArrayInfo(PVDevice pVDev);
void HPTLIBAPI fDeleteArray(_VBUS_ARG PVDevice pVArray, BOOLEAN del_block0);
/*
* iArray.c
*/
void HPTLIBAPI fCheckArray(PDevice pDevice);
void HPTLIBAPI CheckArrayCritical(_VBUS_ARG0);
PVDevice HPTLIBAPI GetSpareDisk(_VBUS_ARG PVDevice pArray);
#ifdef SUPPORT_OLD_ARRAY
void HPTLIBAPI fFixRAID01Stripe(_VBUS_ARG PVDevice pStripe);
#endif
/***************************************************************************
* Macro defination
***************************************************************************/
#ifndef MAX_ARRAY_PER_VBUS
#define MAX_ARRAY_PER_VBUS (MAX_VDEVICE_PER_VBUS*2) /* worst case */
#endif
#if defined(MAX_ARRAY_DEVICE)
#if MAX_ARRAY_DEVICE!=MAX_ARRAY_PER_VBUS
#error "remove MAX_ARRAY_DEVICE and use MAX_ARRAY_PER_VBUS instead"
#endif
#endif
#define _SET_ARRAY_BUS_(pArray) pArray->pVBus = _vbus_p;
#ifdef ARRAY_V2_ONLY
#define _SET_ARRAY_VER_(pArray) pArray->vf_format_v2 = 1;
#else
#define _SET_ARRAY_VER_(pArray)
#endif
#define mArGetArrayTable(pVArray) \
if((pVArray = _vbus_(pFreeArrayLink)) != 0) { \
_vbus_(pFreeArrayLink) = (PVDevice)_vbus_(pFreeArrayLink)->pVBus; \
ZeroMemory(pVArray, ARRAY_VDEV_SIZE); \
_SET_ARRAY_BUS_(pVArray) \
_SET_ARRAY_VER_(pVArray) \
} else
#define mArFreeArrayTable(pVArray) \
do { \
pVArray->pVBus = (PVBus)_vbus_(pFreeArrayLink);\
_vbus_(pFreeArrayLink) = pVArray; \
pVArray->u.array.dArStamp = 0; \
} while(0)
UCHAR CheckSum(UCHAR *p, int size);
void HPTLIBAPI fRAID0SendCommand(_VBUS_ARG PCommand pCmd);
void HPTLIBAPI fRAID1SendCommand(_VBUS_ARG PCommand pCmd);
void HPTLIBAPI fJBODSendCommand(_VBUS_ARG PCommand pCmd);
void HPTLIBAPI fRAID0MemberFailed(_VBUS_ARG PVDevice pVDev);
void HPTLIBAPI fRAID1MemberFailed(_VBUS_ARG PVDevice pVDev);
void HPTLIBAPI fJBODMemberFailed(_VBUS_ARG PVDevice pVDev);
#if SUPPORT_RAID5
void HPTLIBAPI fRAID5SendCommand(_VBUS_ARG PCommand pCmd);
void HPTLIBAPI fRAID5MemberFailed(_VBUS_ARG PVDevice pVDev);
#else
#define fRAID5SendCommand 0
#define fRAID5MemberFailed 0
#endif
#endif