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freebsd-skq/sys/dev/hptmv/vdevice.h
rlibby 13bf5e33fb hptmv: avoid gcc variably-modified warning 
gcc produces a "variably modified X at file scope" warning for
structures that use these size definitions.

PR:		211540
Reviewed by:	markj
Approved by:	markj (mentor)
Sponsored by:	Dell EMC Isilon
Differential revision:	https://reviews.freebsd.org/D11416
2017-07-06 05:32:22 +00:00

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