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freebsd/sys/dev/hptmv/array.h
Scott Long d2bd3ab995 Import new version of the HPTMV driver from Highpoint. The major change
here is the support for amd64, as well as possible support for PAE.  Many
thanks to Highpoint for continuing to support FreeBSD.

Obtained from:  Steve Chang @ Highpoint
MFC After: 3 days.
2005-09-07 23:33:26 +00:00

276 lines
9.3 KiB
C

/*
* 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.
*
* $FreeBSD$
*/
#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 failedStamp; /* stamp for failed member */
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 PrivateFlag1;
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 reserve1;
#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 failedStamp; /* array stamp for failed memebr */
} 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