281 lines
9.4 KiB
C
281 lines
9.4 KiB
C
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/*
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* Copyright (c) 2003-2004 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 _VDEVICE_H_
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#define _VDEVICE_H_
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/***************************************************************************
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* Description: virtual device header
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***************************************************************************/
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typedef struct _VDevice
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{
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UCHAR VDeviceType;
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UCHAR vf_bootmark: 1; /* is boot device? */
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UCHAR vf_bootable: 1; /* has active partition */
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UCHAR vf_online: 1; /* is usable? */
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UCHAR vf_cache_disk: 1; /* Cache enabled */
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UCHAR vf_format_v2: 1; /* old array block */
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UCHAR vf_freed: 1; /* memory free */
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UCHAR reserve1;
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UCHAR bSerialNumber; /* valid if pParent!=0 */
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PVDevice pParent; /* parent array */
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PVBus pVBus; /* vbus this device located. Must not be NULL. */
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LBA_T VDeviceCapacity; /* number of blocks */
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LBA_T LockedLba;
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USHORT LockedSectors;
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USHORT ActiveRequests;
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PCommand LockWaitList;
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void (* HPTLIBAPI QuiesceAction)(_VBUS_ARG void *arg);
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void *QuiesceArg;
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void (* HPTLIBAPI flush_callback)(_VBUS_ARG void *arg);
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void *flush_callback_arg;
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#if defined(_RAID5N_)
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struct stripe **CacheEntry;
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struct range_lock *range_lock;
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#endif
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void (* HPTLIBAPI pfnSendCommand)(_VBUS_ARG PCommand pCmd); /* call this to send a command to a VDevice */
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void (* HPTLIBAPI pfnDeviceFailed)(_VBUS_ARG PVDevice pVDev); /* call this when a VDevice failed */
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union {
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#ifdef SUPPORT_ARRAY
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RaidArray array;
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#endif
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Device disk;
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} u;
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} VDevice;
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#define ARRAY_VDEV_SIZE ((UINT)(ULONG_PTR)&((PVDevice)0)->u+sizeof(RaidArray))
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#define DISK_VDEV_SIZE ((UINT)(ULONG_PTR)&((PVDevice)0)->u+sizeof(Device))
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#define Map2pVDevice(pDev) ((PVDevice)((UINT_PTR)pDev - (UINT)(UINT_PTR)&((PVDevice)0)->u.disk))
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/*
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* bUserDeviceMode
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*/
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#define MEMBER_NOT_SET_MODE 0x5F
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/*
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* arrayType
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*/
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#define VD_SPARE 0
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#define VD_REMOVABLE 1
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#define VD_ATAPI 2
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#define VD_SINGLE_DISK 3
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#define VD_JBOD 4 /* JBOD */
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#define VD_RAID_0 5 /* RAID 0 stripe */
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#define VD_RAID_1 6 /* RAID 1 mirror */
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#define VD_RAID_3 7 /* RAID 3 */
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#define VD_RAID_5 8 /* RAID 5 */
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#define VD_MAX_TYPE 8
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#ifdef SUPPORT_ARRAY
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#define mIsArray(pVDev) (pVDev->VDeviceType>VD_SINGLE_DISK)
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#else
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#define mIsArray(pVDev) 0
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#endif
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extern void (* HPTLIBAPI pfnSendCommand[])(_VBUS_ARG PCommand pCmd);
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extern void (* HPTLIBAPI pfnDeviceFailed[])(_VBUS_ARG PVDevice pVDev);
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void HPTLIBAPI fOsDiskFailed(_VBUS_ARG PVDevice pVDev);
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void HPTLIBAPI fDeviceSendCommand(_VBUS_ARG PCommand pCmd);
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void HPTLIBAPI fSingleDiskFailed(_VBUS_ARG PVDevice pVDev);
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/***************************************************************************
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* Description: RAID Adapter
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***************************************************************************/
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typedef struct _VBus {
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/* pVDevice[] may be non-continuous */
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PVDevice pVDevice[MAX_VDEVICE_PER_VBUS];
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UINT nInstances;
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PChipInstance pChipInstance[MAX_CHIP_IN_VBUS];
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void * OsExt; /* for OS private use */
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int serial_mode;
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int next_active;
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int working_devs;
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PCommand pFreeCommands;
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DPC_ROUTINE PendingRoutines[MAX_PENDING_ROUTINES];
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int PendingRoutinesFirst, PendingRoutinesLast;
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DPC_ROUTINE IdleRoutines[MAX_IDLE_ROUTINES];
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int IdleRoutinesFirst, IdleRoutinesLast;
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#ifdef SUPPORT_ARRAY
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PVDevice pFreeArrayLink;
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BYTE _ArrayTables[MAX_ARRAY_PER_VBUS * ARRAY_VDEV_SIZE];
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#endif
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#ifdef _RAID5N_
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struct r5_global_data r5;
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#endif
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} VBus;
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/*
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* Array members must be on same VBus.
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* The platform dependent part shall select one of the following strategy.
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*/
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#ifdef SET_VBUS_FOR_EACH_IRQ
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#define CHIP_ON_SAME_VBUS(pChip1, pChip2) ((pChip1)->bChipIntrNum==(pChip2)->bChipIntrNum)
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#elif defined(SET_VBUS_FOR_EACH_CONTROLLER)
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#define CHIP_ON_SAME_VBUS(pChip1, pChip2) \
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((pChip1)->pci_bus==(pChip2)->pci_bus && (pChip1)->pci_dev==(pChip2)->pci_dev)
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#elif defined(SET_VBUS_FOR_EACH_FUNCTION)
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#define CHIP_ON_SAME_VBUS(pChip1, pChip2) \
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((pChip1)->pci_bus==(pChip2)->pci_bus && (pChip1)->pci_dev==(pChip2)->pci_dev && (pChip1)->pci_func==(pChip2)->pci_func)
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#else
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#error You must set one vbus setting
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#endif
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#define FOR_EACH_CHANNEL_ON_VBUS(_pVBus, _pChan) \
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for (_pChan=pChanStart; _pChan<pChanEnd; _pChan++) \
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if (_pChan->pChipInstance->pVBus!=_pVBus) ; else
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#define FOR_EACH_DEV_ON_VBUS(pVBus, pVDev, i) \
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for(i = 0; i < MAX_VDEVICE_PER_VBUS; i++) \
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if ((pVDev=pVBus->pVDevice[i])==0) continue; else
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#define FOR_EACH_DEV_ON_ALL_VBUS(pVBus, pVDev, i) \
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for(pVBus = gVBus; pVBus < &gVBus[MAX_VBUS]; pVBus++) \
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for(i = 0; i < MAX_VDEVICE_PER_VBUS; i++) \
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if ((pVDev=pVBus->pVDevice[i])==0) continue; else
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#define FOR_EACH_ARRAY_ON_ALL_VBUS(pVBus, pArray, i) \
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for(pVBus = gVBus; pVBus < &gVBus[MAX_VBUS]; pVBus++) \
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for(i = 0; i < MAX_ARRAY_PER_VBUS; i++) \
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if ((pArray=((PVDevice)&pVBus->_ArrayTables[i*ARRAY_VDEV_SIZE]))->u.array.dArStamp==0) continue; else
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/***************************************************************************
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* Description: the functions called by IDE layer
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***************************************************************************/
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#ifdef SUPPORT_ARRAY
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#define IdeRegisterDevice fCheckArray
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#else
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void HPTLIBAPI IdeRegisterDevice(PDevice pDev);
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#endif
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/***************************************************************************
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* Description: the functions OS must provided
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***************************************************************************/
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void OsSetDeviceTable(PDevice pDevice, PIDENTIFY_DATA pIdentify);
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/*
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* allocate and free data structure
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*/
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PChannel fGetChannelTable(void);
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PDevice fGetDeviceTable(void);
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#define OsGetChannelTable(x, y) fGetChannelTable()
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#define OsGetDeviceTable(x, y) fGetDeviceTable()
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void OsReturnTable(PDevice pDevice);
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/***************************************************************************
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* Description: the functions Prototype
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***************************************************************************/
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/*
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* vdevice.c
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*/
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int Initialize(void);
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int InitializeAllChips(void);
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void InitializeVBus(PVBus pVBus);
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void fRegisterChip(PChipInstance pChip);
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void __fRegisterVDevices(PVBus pVBus);
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void fRegisterVDevices(void);
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void HPTLIBAPI UnregisterVDevice(PVDevice);
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void HPTLIBAPI fCheckBootable(PVDevice pVDev);
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void HPTLIBAPI fFlushVDev(PVDevice pVDev);
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void HPTLIBAPI fFlushVDevAsync(PVDevice pVDev, DPC_PROC done, void *arg);
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void HPTLIBAPI fShutdownVDev(PVDevice pVDev);
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void HPTLIBAPI fResetVBus(_VBUS_ARG0);
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void HPTLIBAPI fCompleteAllCommandsSynchronously(PVBus _vbus_p);
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#define RegisterVDevice(pVDev)
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#define OsRegisterDevice(pVDev)
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#define OsUnregisterDevice(pVDev)
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#ifdef SUPPORT_VBUS_CONFIG
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void VBus_Config(PVBus pVBus, char *str);
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#else
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#define VBus_Config(pVBus, str)
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#endif
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#pragma pack(1)
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struct fdisk_partition_table
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{
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UCHAR bootid; /* bootable? 0=no, 128=yes */
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UCHAR beghead; /* beginning head number */
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UCHAR begsect; /* beginning sector number */
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UCHAR begcyl; /* 10 bit nmbr, with high 2 bits put in begsect */
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UCHAR systid; /* Operating System type indicator code */
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UCHAR endhead; /* ending head number */
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UCHAR endsect; /* ending sector number */
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UCHAR endcyl; /* also a 10 bit nmbr, with same high 2 bit trick */
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UINT relsect; /* first sector relative to start of disk */
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UINT numsect; /* number of sectors in partition */
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};
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typedef struct _Master_Boot_Record
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{
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UCHAR bootinst[446]; /* space to hold actual boot code */
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struct fdisk_partition_table parts[4];
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USHORT signature; /* set to 0xAA55 to indicate PC MBR format */
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}
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Master_Boot_Record, *PMaster_Boot_Record;
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#ifndef SUPPORT_ARRAY
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/* TODO: move it later */
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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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#endif
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#pragma pack()
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#endif
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