xref: /dragonfly/sys/dev/raid/hptmv/vdevice.h (revision 0ca59c34)
1 /*
2  * Copyright (c) 2004-2005 HighPoint Technologies, Inc.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  *
26  * $FreeBSD: src/sys/dev/hptmv/vdevice.h,v 1.4 2009/04/07 16:38:25 delphij Exp $
27  */
28 
29 #ifndef _VDEVICE_H_
30 #define _VDEVICE_H_
31 
32 /***************************************************************************
33  * Description:  virtual device header
34  ***************************************************************************/
35 
36 typedef  struct _VDevice
37 {
38 	UCHAR        VDeviceType;
39 	UCHAR        vf_bootmark: 1; 	/* is boot device? */
40 	UCHAR		 vf_bootable: 1;    /* has active partition */
41 	UCHAR        vf_online: 1; 		/* is usable? */
42 	UCHAR        vf_cache_disk: 1;  /* Cache enabled */
43 	UCHAR        vf_format_v2: 1;   /* old array block */
44 	UCHAR        vf_freed: 1;       /* memory free */
45 	UCHAR        reserve1;
46 	UCHAR        bSerialNumber; 	/* valid if pParent!=0 */
47 
48 	PVDevice	 pParent;			/* parent array */
49 	PVBus        pVBus;				/* vbus this device located. Must not be NULL. */
50 
51 	LBA_T        VDeviceCapacity;   /* number of blocks */
52 
53 	LBA_T        LockedLba;
54 	USHORT       LockedSectors;
55 	USHORT       ActiveRequests;
56 	PCommand     LockWaitList;
57 	void (* HPTLIBAPI QuiesceAction)(_VBUS_ARG void *arg);
58 	void  *QuiesceArg;
59 	void (* HPTLIBAPI flush_callback)(_VBUS_ARG void *arg);
60 	void *flush_callback_arg;
61 
62 
63 #if defined(_RAID5N_)
64 	struct stripe **CacheEntry;
65 	struct range_lock *range_lock;
66 #endif
67 
68 	void (* HPTLIBAPI pfnSendCommand)(_VBUS_ARG PCommand pCmd);   /* call this to send a command to a VDevice */
69 	void (* HPTLIBAPI pfnDeviceFailed)(_VBUS_ARG PVDevice pVDev); /* call this when a VDevice failed */
70 
71 	union {
72 #ifdef SUPPORT_ARRAY
73 		RaidArray array;
74 #endif
75 		Device disk;
76 	} u;
77 
78 } VDevice;
79 
80 #define ARRAY_VDEV_SIZE (__offsetof(VDevice, u) + sizeof(RaidArray))
81 #define DISK_VDEV_SIZE  (__offsetof(VDevice, u) + sizeof(Device))
82 
83 #define Map2pVDevice(pDev) ((PVDevice)((UINT_PTR)pDev - __offsetof(VDevice, u.disk)))
84 
85 /*
86  * bUserDeviceMode
87  */
88 #define MEMBER_NOT_SET_MODE  0x5F
89 
90 /*
91  * arrayType
92  */
93 #define VD_SPARE             0
94 #define VD_REMOVABLE         1
95 #define VD_ATAPI             2
96 #define VD_SINGLE_DISK       3
97 
98 #define VD_JBOD              4 /* JBOD */
99 #define VD_RAID_0            5 /* RAID 0 stripe */
100 #define VD_RAID_1            6 /* RAID 1 mirror */
101 #define VD_RAID_3            7 /* RAID 3 */
102 #define VD_RAID_5            8 /* RAID 5 */
103 #define VD_MAX_TYPE 8
104 
105 #ifdef SUPPORT_ARRAY
106 #define mIsArray(pVDev) (pVDev->VDeviceType>VD_SINGLE_DISK)
107 #else
108 #define mIsArray(pVDev) 0
109 #endif
110 
111 extern void (* HPTLIBAPI pfnSendCommand[])(_VBUS_ARG PCommand pCmd);
112 extern void (* HPTLIBAPI pfnDeviceFailed[])(_VBUS_ARG PVDevice pVDev);
113 void HPTLIBAPI fOsDiskFailed(_VBUS_ARG PVDevice pVDev);
114 void HPTLIBAPI fDeviceSendCommand(_VBUS_ARG PCommand pCmd);
115 void HPTLIBAPI fSingleDiskFailed(_VBUS_ARG PVDevice pVDev);
116 
117 /***************************************************************************
118  * Description:  RAID Adapter
119  ***************************************************************************/
120 
121 typedef struct _VBus  {
122 	/* pVDevice[] may be non-continuous */
123 	PVDevice      pVDevice[MAX_VDEVICE_PER_VBUS];
124 
125 	UINT          nInstances;
126 	PChipInstance pChipInstance[MAX_CHIP_IN_VBUS];
127 
128 	void *        OsExt; /* for OS private use */
129 
130 
131 	int serial_mode;
132 	int next_active;
133 	int working_devs;
134 
135 
136 
137 	PCommand pFreeCommands;
138 	DPC_ROUTINE PendingRoutines[MAX_PENDING_ROUTINES];
139 	int PendingRoutinesFirst, PendingRoutinesLast;
140 	DPC_ROUTINE IdleRoutines[MAX_IDLE_ROUTINES];
141 	int IdleRoutinesFirst, IdleRoutinesLast;
142 
143 #ifdef SUPPORT_ARRAY
144 	PVDevice pFreeArrayLink;
145 	BYTE    _ArrayTables[MAX_ARRAY_PER_VBUS * ARRAY_VDEV_SIZE];
146 #endif
147 
148 
149 #ifdef _RAID5N_
150 	struct r5_global_data r5;
151 #endif
152 
153 } VBus;
154 
155 /*
156  * Array members must be on same VBus.
157  * The platform dependent part shall select one of the following strategy.
158  */
159 #ifdef SET_VBUS_FOR_EACH_IRQ
160 #define CHIP_ON_SAME_VBUS(pChip1, pChip2) ((pChip1)->bChipIntrNum==(pChip2)->bChipIntrNum)
161 #elif defined(SET_VBUS_FOR_EACH_CONTROLLER)
162 #define CHIP_ON_SAME_VBUS(pChip1, pChip2) \
163 	((pChip1)->pci_bus==(pChip2)->pci_bus && (pChip1)->pci_dev==(pChip2)->pci_dev)
164 #elif defined(SET_VBUS_FOR_EACH_FUNCTION)
165 #define CHIP_ON_SAME_VBUS(pChip1, pChip2) \
166 	((pChip1)->pci_bus==(pChip2)->pci_bus && (pChip1)->pci_dev==(pChip2)->pci_dev && (pChip1)->pci_func==(pChip2)->pci_func)
167 #else
168 #error You must set one vbus setting
169 #endif
170 
171 #define FOR_EACH_CHANNEL_ON_VBUS(_pVBus, _pChan) \
172 		for (_pChan=pChanStart; _pChan<pChanEnd; _pChan++) \
173 			if (_pChan->pChipInstance->pVBus!=_pVBus) ; else
174 
175 #define FOR_EACH_DEV_ON_VBUS(pVBus, pVDev, i) \
176 		for(i = 0; i < MAX_VDEVICE_PER_VBUS; i++) \
177 			if ((pVDev=pVBus->pVDevice[i])==0) continue; else
178 
179 
180 #define FOR_EACH_VBUS(pVBus) \
181 	for(pVBus = gVBus; pVBus < &gVBus[MAX_VBUS]; pVBus++) \
182 
183 #define FOR_EACH_ARRAY_ON_ALL_VBUS(pVBus, pArray, i) \
184 	for(pVBus = gVBus; pVBus < &gVBus[MAX_VBUS]; pVBus++) \
185 		for(i = 0; i < MAX_ARRAY_PER_VBUS; i++) \
186 			if ((pArray=((PVDevice)&pVBus->_ArrayTables[i*ARRAY_VDEV_SIZE]))->u.array.dArStamp==0) continue; else
187 
188 #define FOR_EACH_DEV_ON_ALL_VBUS(pVBus, pVDev, i) \
189 	FOR_EACH_VBUS(pVBus) \
190 		for(i = 0; i < MAX_VDEVICE_PER_VBUS; i++) \
191 			if ((pVDev=pVBus->pVDevice[i])==0) continue; else
192 
193 /***************************************************************************
194  * Description:  the functions called by IDE layer
195  ***************************************************************************/
196 #ifdef SUPPORT_ARRAY
197 #define IdeRegisterDevice               fCheckArray
198 #else
199 void HPTLIBAPI IdeRegisterDevice(PDevice pDev);
200 #endif
201 
202 /***************************************************************************
203  * Description:  the functions OS must provided
204  ***************************************************************************/
205 
206 void HPTLIBAPI OsSetDeviceTable(PDevice pDevice, PIDENTIFY_DATA pIdentify);
207 
208 /*
209  * allocate and free data structure
210  */
211 PChannel fGetChannelTable(void);
212 PDevice  fGetDeviceTable(void);
213 #define  OsGetChannelTable(x, y)  fGetChannelTable()
214 #define  OsGetDeviceTable(x, y)   fGetDeviceTable()
215 void 	OsReturnTable(PDevice pDevice);
216 /***************************************************************************
217  * Description:  the functions Prototype
218  ***************************************************************************/
219 /*
220  * vdevice.c
221  */
222 int Initialize(void);
223 int InitializeAllChips(void);
224 void InitializeVBus(PVBus pVBus);
225 void fRegisterChip(PChipInstance pChip);
226 void __fRegisterVDevices(PVBus pVBus);
227 void fRegisterVDevices(void);
228 void HPTLIBAPI UnregisterVDevice(PVDevice);
229 void HPTLIBAPI fCheckBootable(PVDevice pVDev);
230 void HPTLIBAPI fFlushVDev(PVDevice pVDev);
231 void HPTLIBAPI fFlushVDevAsync(PVDevice pVDev, DPC_PROC done, void *arg);
232 void HPTLIBAPI fShutdownVDev(PVDevice pVDev);
233 void HPTLIBAPI fResetVBus(_VBUS_ARG0);
234 void HPTLIBAPI fCompleteAllCommandsSynchronously(PVBus _vbus_p);
235 
236 #define RegisterVDevice(pVDev)
237 #define OsRegisterDevice(pVDev)
238 #define OsUnregisterDevice(pVDev)
239 
240 #ifdef SUPPORT_VBUS_CONFIG
241 void VBus_Config(PVBus pVBus, char *str);
242 #else
243 #define VBus_Config(pVBus, str)
244 #endif
245 
246 #pragma pack(1)
247 struct fdisk_partition_table
248 {
249 	UCHAR 		bootid;   			/* bootable?  0=no, 128=yes  */
250 	UCHAR 		beghead;  			/* beginning head number */
251 	UCHAR 		begsect;  			/* beginning sector number */
252 	UCHAR		begcyl;   			/* 10 bit nmbr, with high 2 bits put in begsect */
253 	UCHAR		systid;   			/* Operating System type indicator code */
254 	UCHAR 		endhead;  			/* ending head number */
255 	UCHAR 		endsect;  			/* ending sector number */
256 	UCHAR 		endcyl;   			/* also a 10 bit nmbr, with same high 2 bit trick */
257 	ULONG   	relsect;            /* first sector relative to start of disk */
258 	ULONG 		numsect;            /* number of sectors in partition */
259 };
260 
261 typedef struct _Master_Boot_Record
262 {
263 	UCHAR   bootinst[446];   		/* space to hold actual boot code */
264 	struct 	fdisk_partition_table parts[4];
265 	USHORT  signature;       		/* set to 0xAA55 to indicate PC MBR format */
266 }
267 Master_Boot_Record, *PMaster_Boot_Record;
268 
269 #ifndef SUPPORT_ARRAY
270 /* TODO: move it later */
271 #ifdef __BIG_ENDIAN_BITFIELD
272 typedef DWORD TIME_RECORD;
273 #else
274 typedef struct _TIME_RECORD {
275    UINT        seconds:6;      /* 0 - 59 */
276    UINT        minutes:6;      /* 0 - 59 */
277    UINT        month:4;        /* 1 - 12 */
278    UINT        hours:6;        /* 0 - 59 */
279    UINT        day:5;          /* 1 - 31 */
280    UINT        year:5;         /* 0=2000, 31=2031 */
281 } TIME_RECORD;
282 #endif
283 #endif
284 
285 #pragma pack()
286 #endif
287