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1.1 root 1: /*
2:
3: Linux Driver for BusLogic MultiMaster and FlashPoint SCSI Host Adapters
4:
5: Copyright 1995-1998 by Leonard N. Zubkoff <[email protected]>
6:
7: This program is free software; you may redistribute and/or modify it under
8: the terms of the GNU General Public License Version 2 as published by the
9: Free Software Foundation.
10:
11: This program is distributed in the hope that it will be useful, but
12: WITHOUT ANY WARRANTY, without even the implied warranty of MERCHANTABILITY
13: or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14: for complete details.
15:
16: The author respectfully requests that any modifications to this software be
17: sent directly to him for evaluation and testing.
18:
19: Special thanks to Wayne Yen, Jin-Lon Hon, and Alex Win of BusLogic, whose
20: advice has been invaluable, to David Gentzel, for writing the original Linux
21: BusLogic driver, and to Paul Gortmaker, for being such a dedicated test site.
22:
23: Finally, special thanks to Mylex/BusLogic for making the FlashPoint SCCB
24: Manager available as freely redistributable source code.
25:
26: */
27:
28:
29: #include <linux/config.h>
30:
31:
32: /*
33: Define types for some of the structures that interface with the rest
34: of the Linux Kernel and SCSI Subsystem.
35: */
36:
37: typedef kdev_t KernelDevice_T;
38: typedef struct proc_dir_entry PROC_DirectoryEntry_T;
39: typedef unsigned long ProcessorFlags_T;
40: typedef struct pt_regs Registers_T;
41: typedef struct partition PartitionTable_T;
42: typedef Scsi_Host_Template SCSI_Host_Template_T;
43: typedef struct Scsi_Host SCSI_Host_T;
44: typedef struct scsi_device SCSI_Device_T;
45: typedef struct scsi_disk SCSI_Disk_T;
46: typedef struct scsi_cmnd SCSI_Command_T;
47: typedef struct scatterlist SCSI_ScatterList_T;
48:
49:
50: /*
51: Define prototypes for the BusLogic Driver Interface Functions.
52: */
53:
54: extern PROC_DirectoryEntry_T BusLogic_ProcDirectoryEntry;
55: extern const char *BusLogic_DriverInfo(SCSI_Host_T *);
56: extern int BusLogic_DetectHostAdapter(SCSI_Host_Template_T *);
57: extern int BusLogic_ReleaseHostAdapter(SCSI_Host_T *);
58: extern int BusLogic_QueueCommand(SCSI_Command_T *,
59: void (*CompletionRoutine)(SCSI_Command_T *));
60: extern int BusLogic_AbortCommand(SCSI_Command_T *);
61: extern int BusLogic_ResetCommand(SCSI_Command_T *, unsigned int);
62: extern int BusLogic_BIOSDiskParameters(SCSI_Disk_T *, KernelDevice_T, int *);
63: extern int BusLogic_ProcDirectoryInfo(char *, char **, off_t, int, int, int);
64:
65:
66: /*
67: Define the BusLogic SCSI Host Template structure.
68: */
69:
70: #define BUSLOGIC \
71: { proc_dir: &BusLogic_ProcDirectoryEntry, /* ProcFS Directory Entry */ \
72: proc_info: BusLogic_ProcDirectoryInfo, /* ProcFS Info Function */ \
73: name: "BusLogic", /* Driver Name */ \
74: detect: BusLogic_DetectHostAdapter, /* Detect Host Adapter */ \
75: release: BusLogic_ReleaseHostAdapter, /* Release Host Adapter */ \
76: info: BusLogic_DriverInfo, /* Driver Info Function */ \
77: queuecommand: BusLogic_QueueCommand, /* Queue Command Function */ \
78: abort: BusLogic_AbortCommand, /* Abort Command Function */ \
79: reset: BusLogic_ResetCommand, /* Reset Command Function */ \
80: bios_param: BusLogic_BIOSDiskParameters, /* BIOS Disk Parameters */ \
81: unchecked_isa_dma: 1, /* Default Initial Value */ \
82: use_clustering: ENABLE_CLUSTERING } /* Enable Clustering */
83:
84:
85: /*
86: BusLogic_DriverVersion protects the private portion of this file.
87: */
88:
89: #ifdef BusLogic_DriverVersion
90:
91:
92: /*
93: FlashPoint support is only available for the Intel x86 Architecture with
94: CONFIG_PCI set.
95: */
96:
97: #ifndef __i386__
98: #undef CONFIG_SCSI_OMIT_FLASHPOINT
99: #define CONFIG_SCSI_OMIT_FLASHPOINT
100: #endif
101:
102: #ifndef CONFIG_PCI
103: #undef CONFIG_SCSI_OMIT_FLASHPOINT
104: #define CONFIG_SCSI_OMIT_FLASHPOINT
105: #define BusLogic_InitializeProbeInfoListISA \
106: BusLogic_InitializeProbeInfoList
107: #endif
108:
109:
110: /*
111: Define the maximum number of BusLogic Host Adapters supported by this driver.
112: */
113:
114: #define BusLogic_MaxHostAdapters 16
115:
116:
117: /*
118: Define the maximum number of Target Devices supported by this driver.
119: */
120:
121: #define BusLogic_MaxTargetDevices 16
122:
123:
124: /*
125: Define the maximum number of Scatter/Gather Segments used by this driver.
126: For optimal performance, it is important that this limit be at least as
127: large as the largest single request generated by the I/O Subsystem.
128: */
129:
130: #define BusLogic_ScatterGatherLimit 128
131:
132:
133: /*
134: Define the maximum, maximum automatic, minimum automatic, and default Queue
135: Depth to allow for Target Devices depending on whether or not they support
136: Tagged Queuing and whether or not ISA Bounce Buffers are required.
137: */
138:
139: #define BusLogic_MaxTaggedQueueDepth 64
140: #define BusLogic_MaxAutomaticTaggedQueueDepth 28
141: #define BusLogic_MinAutomaticTaggedQueueDepth 7
142: #define BusLogic_TaggedQueueDepthBB 3
143: #define BusLogic_UntaggedQueueDepth 3
144: #define BusLogic_UntaggedQueueDepthBB 2
145:
146:
147: /*
148: Define the default amount of time in seconds to wait between a Host Adapter
149: Hard Reset which initiates a SCSI Bus Reset and issuing any SCSI commands.
150: Some SCSI devices get confused if they receive SCSI commands too soon after
151: a SCSI Bus Reset.
152: */
153:
154: #define BusLogic_DefaultBusSettleTime 2
155:
156:
157: /*
158: Define the maximum number of Mailboxes that should be used for MultiMaster
159: Host Adapters. This number is chosen to be larger than the maximum Host
160: Adapter Queue Depth and small enough so that the Host Adapter structure
161: does not cross an allocation block size boundary.
162: */
163:
164: #define BusLogic_MaxMailboxes 211
165:
166:
167: /*
168: Define the number of CCBs that should be allocated as a group to optimize
169: Kernel memory allocation.
170: */
171:
172: #define BusLogic_CCB_AllocationGroupSize 7
173:
174:
175: /*
176: Define the Host Adapter Line and Message Buffer Sizes.
177: */
178:
179: #define BusLogic_LineBufferSize 100
180: #define BusLogic_MessageBufferSize 9700
181:
182:
183: /*
184: Define the Driver Message Levels.
185: */
186:
187: typedef enum BusLogic_MessageLevel
188: {
189: BusLogic_AnnounceLevel = 0,
190: BusLogic_InfoLevel = 1,
191: BusLogic_NoticeLevel = 2,
192: BusLogic_WarningLevel = 3,
193: BusLogic_ErrorLevel = 4
194: }
195: BusLogic_MessageLevel_T;
196:
197: static char
198: *BusLogic_MessageLevelMap[] =
199: { KERN_NOTICE, KERN_NOTICE, KERN_NOTICE, KERN_WARNING, KERN_ERR };
200:
201:
202: /*
203: Define Driver Message macros.
204: */
205:
206: #define BusLogic_Announce(Format, Arguments...) \
207: BusLogic_Message(BusLogic_AnnounceLevel, Format, ##Arguments)
208:
209: #define BusLogic_Info(Format, Arguments...) \
210: BusLogic_Message(BusLogic_InfoLevel, Format, ##Arguments)
211:
212: #define BusLogic_Notice(Format, Arguments...) \
213: BusLogic_Message(BusLogic_NoticeLevel, Format, ##Arguments)
214:
215: #define BusLogic_Warning(Format, Arguments...) \
216: BusLogic_Message(BusLogic_WarningLevel, Format, ##Arguments)
217:
218: #define BusLogic_Error(Format, Arguments...) \
219: BusLogic_Message(BusLogic_ErrorLevel, Format, ##Arguments)
220:
221:
222: /*
223: Define the types of BusLogic Host Adapters that are supported and the number
224: of I/O Addresses required by each type.
225: */
226:
227: typedef enum
228: {
229: BusLogic_MultiMaster = 1,
230: BusLogic_FlashPoint = 2
231: }
232: __attribute__ ((packed))
233: BusLogic_HostAdapterType_T;
234:
235: #define BusLogic_MultiMasterAddressCount 4
236: #define BusLogic_FlashPointAddressCount 256
237:
238: static int
239: BusLogic_HostAdapterAddressCount[3] =
240: { 0, BusLogic_MultiMasterAddressCount, BusLogic_FlashPointAddressCount };
241:
242:
243: /*
244: Define macros for testing the Host Adapter Type.
245: */
246:
247: #ifndef CONFIG_SCSI_OMIT_FLASHPOINT
248:
249: #define BusLogic_MultiMasterHostAdapterP(HostAdapter) \
250: (HostAdapter->HostAdapterType == BusLogic_MultiMaster)
251:
252: #define BusLogic_FlashPointHostAdapterP(HostAdapter) \
253: (HostAdapter->HostAdapterType == BusLogic_FlashPoint)
254:
255: #else
256:
257: #define BusLogic_MultiMasterHostAdapterP(HostAdapter) \
258: (true)
259:
260: #define BusLogic_FlashPointHostAdapterP(HostAdapter) \
261: (false)
262:
263: #endif
264:
265:
266: /*
267: Define the possible Host Adapter Bus Types.
268: */
269:
270: typedef enum
271: {
272: BusLogic_Unknown_Bus = 0,
273: BusLogic_ISA_Bus = 1,
274: BusLogic_EISA_Bus = 2,
275: BusLogic_PCI_Bus = 3,
276: BusLogic_VESA_Bus = 4,
277: BusLogic_MCA_Bus = 5
278: }
279: __attribute__ ((packed))
280: BusLogic_HostAdapterBusType_T;
281:
282: static char
283: *BusLogic_HostAdapterBusNames[] =
284: { "Unknown", "ISA", "EISA", "PCI", "VESA", "MCA" };
285:
286: static BusLogic_HostAdapterBusType_T
287: BusLogic_HostAdapterBusTypes[] =
288: { BusLogic_VESA_Bus, /* BT-4xx */
289: BusLogic_ISA_Bus, /* BT-5xx */
290: BusLogic_MCA_Bus, /* BT-6xx */
291: BusLogic_EISA_Bus, /* BT-7xx */
292: BusLogic_Unknown_Bus, /* BT-8xx */
293: BusLogic_PCI_Bus }; /* BT-9xx */
294:
295:
296: /*
297: Define the possible Host Adapter BIOS Disk Geometry Translations.
298: */
299:
300: typedef enum BusLogic_BIOS_DiskGeometryTranslation
301: {
302: BusLogic_BIOS_Disk_Not_Installed = 0,
303: BusLogic_BIOS_Disk_Installed_64x32 = 1,
304: BusLogic_BIOS_Disk_Installed_128x32 = 2,
305: BusLogic_BIOS_Disk_Installed_255x63 = 3
306: }
307: __attribute__ ((packed))
308: BusLogic_BIOS_DiskGeometryTranslation_T;
309:
310:
311: /*
312: Define a Boolean data type.
313: */
314:
315: typedef enum { false, true } __attribute__ ((packed)) boolean;
316:
317:
318: /*
319: Define a 32 bit I/O Address data type.
320: */
321:
322: typedef unsigned int BusLogic_IO_Address_T;
323:
324:
325: /*
326: Define a 32 bit PCI Bus Address data type.
327: */
328:
329: typedef unsigned int BusLogic_PCI_Address_T;
330:
331:
332: /*
333: Define a 32 bit Base Address data type.
334: */
335:
336: typedef unsigned int BusLogic_Base_Address_T;
337:
338:
339: /*
340: Define a 32 bit Bus Address data type.
341: */
342:
343: typedef unsigned int BusLogic_BusAddress_T;
344:
345:
346: /*
347: Define a 32 bit Byte Count data type.
348: */
349:
350: typedef unsigned int BusLogic_ByteCount_T;
351:
352:
353: /*
354: Define a 10^18 Statistics Byte Counter data type.
355: */
356:
357: typedef struct BusLogic_ByteCounter
358: {
359: unsigned int Units;
360: unsigned int Billions;
361: }
362: BusLogic_ByteCounter_T;
363:
364:
365: /*
366: Define the structure for I/O Address and Bus Probing Information.
367: */
368:
369: typedef struct BusLogic_ProbeInfo
370: {
371: BusLogic_HostAdapterType_T HostAdapterType;
372: BusLogic_HostAdapterBusType_T HostAdapterBusType;
373: BusLogic_IO_Address_T IO_Address;
374: BusLogic_PCI_Address_T PCI_Address;
375: unsigned char Bus;
376: unsigned char Device;
377: unsigned char IRQ_Channel;
378: }
379: BusLogic_ProbeInfo_T;
380:
381:
382: /*
383: Define the Probe Options.
384: */
385:
386: typedef struct BusLogic_ProbeOptions
387: {
388: boolean NoProbe:1; /* Bit 0 */
389: boolean NoProbeISA:1; /* Bit 1 */
390: boolean NoProbePCI:1; /* Bit 2 */
391: boolean NoSortPCI:1; /* Bit 3 */
392: boolean MultiMasterFirst:1; /* Bit 4 */
393: boolean FlashPointFirst:1; /* Bit 5 */
394: boolean LimitedProbeISA:1; /* Bit 6 */
395: boolean Probe330:1; /* Bit 7 */
396: boolean Probe334:1; /* Bit 8 */
397: boolean Probe230:1; /* Bit 9 */
398: boolean Probe234:1; /* Bit 10 */
399: boolean Probe130:1; /* Bit 11 */
400: boolean Probe134:1; /* Bit 12 */
401: }
402: BusLogic_ProbeOptions_T;
403:
404:
405: /*
406: Define the Global Options.
407: */
408:
409: typedef struct BusLogic_GlobalOptions
410: {
411: boolean TraceProbe:1; /* Bit 0 */
412: boolean TraceHardwareReset:1; /* Bit 1 */
413: boolean TraceConfiguration:1; /* Bit 2 */
414: boolean TraceErrors:1; /* Bit 3 */
415: }
416: BusLogic_GlobalOptions_T;
417:
418:
419: /*
420: Define the Local Options.
421: */
422:
423: typedef struct BusLogic_LocalOptions
424: {
425: boolean InhibitTargetInquiry:1; /* Bit 0 */
426: }
427: BusLogic_LocalOptions_T;
428:
429:
430: /*
431: Define the Error Recovery Strategy Options.
432: */
433:
434: typedef enum
435: {
436: BusLogic_ErrorRecovery_Default = 0,
437: BusLogic_ErrorRecovery_BusDeviceReset = 1,
438: BusLogic_ErrorRecovery_HardReset = 2,
439: BusLogic_ErrorRecovery_None = 3
440: }
441: __attribute__ ((packed))
442: BusLogic_ErrorRecoveryStrategy_T;
443:
444: static char
445: *BusLogic_ErrorRecoveryStrategyNames[] =
446: { "Default", "Bus Device Reset", "Hard Reset", "None" },
447: BusLogic_ErrorRecoveryStrategyLetters[] =
448: { 'D', 'B', 'H', 'N' };
449:
450:
451: /*
452: Define the BusLogic SCSI Host Adapter I/O Register Offsets.
453: */
454:
455: #define BusLogic_ControlRegisterOffset 0 /* WO register */
456: #define BusLogic_StatusRegisterOffset 0 /* RO register */
457: #define BusLogic_CommandParameterRegisterOffset 1 /* WO register */
458: #define BusLogic_DataInRegisterOffset 1 /* RO register */
459: #define BusLogic_InterruptRegisterOffset 2 /* RO register */
460: #define BusLogic_GeometryRegisterOffset 3 /* RO register */
461:
462:
463: /*
464: Define the structure of the write-only Control Register.
465: */
466:
467: typedef union BusLogic_ControlRegister
468: {
469: unsigned char All;
470: struct {
471: unsigned char :4; /* Bits 0-3 */
472: boolean SCSIBusReset:1; /* Bit 4 */
473: boolean InterruptReset:1; /* Bit 5 */
474: boolean SoftReset:1; /* Bit 6 */
475: boolean HardReset:1; /* Bit 7 */
476: } Bits;
477: }
478: BusLogic_ControlRegister_T;
479:
480:
481: /*
482: Define the structure of the read-only Status Register.
483: */
484:
485: typedef union BusLogic_StatusRegister
486: {
487: unsigned char All;
488: struct {
489: boolean CommandInvalid:1; /* Bit 0 */
490: boolean Reserved:1; /* Bit 1 */
491: boolean DataInRegisterReady:1; /* Bit 2 */
492: boolean CommandParameterRegisterBusy:1; /* Bit 3 */
493: boolean HostAdapterReady:1; /* Bit 4 */
494: boolean InitializationRequired:1; /* Bit 5 */
495: boolean DiagnosticFailure:1; /* Bit 6 */
496: boolean DiagnosticActive:1; /* Bit 7 */
497: } Bits;
498: }
499: BusLogic_StatusRegister_T;
500:
501:
502: /*
503: Define the structure of the read-only Interrupt Register.
504: */
505:
506: typedef union BusLogic_InterruptRegister
507: {
508: unsigned char All;
509: struct {
510: boolean IncomingMailboxLoaded:1; /* Bit 0 */
511: boolean OutgoingMailboxAvailable:1; /* Bit 1 */
512: boolean CommandComplete:1; /* Bit 2 */
513: boolean ExternalBusReset:1; /* Bit 3 */
514: unsigned char Reserved:3; /* Bits 4-6 */
515: boolean InterruptValid:1; /* Bit 7 */
516: } Bits;
517: }
518: BusLogic_InterruptRegister_T;
519:
520:
521: /*
522: Define the structure of the read-only Geometry Register.
523: */
524:
525: typedef union BusLogic_GeometryRegister
526: {
527: unsigned char All;
528: struct {
529: BusLogic_BIOS_DiskGeometryTranslation_T Drive0Geometry:2; /* Bits 0-1 */
530: BusLogic_BIOS_DiskGeometryTranslation_T Drive1Geometry:2; /* Bits 2-3 */
531: unsigned char :3; /* Bits 4-6 */
532: boolean ExtendedTranslationEnabled:1; /* Bit 7 */
533: } Bits;
534: }
535: BusLogic_GeometryRegister_T;
536:
537:
538: /*
539: Define the BusLogic SCSI Host Adapter Command Register Operation Codes.
540: */
541:
542: typedef enum
543: {
544: BusLogic_TestCommandCompleteInterrupt = 0x00,
545: BusLogic_InitializeMailbox = 0x01,
546: BusLogic_ExecuteMailboxCommand = 0x02,
547: BusLogic_ExecuteBIOSCommand = 0x03,
548: BusLogic_InquireBoardID = 0x04,
549: BusLogic_EnableOutgoingMailboxAvailableInt = 0x05,
550: BusLogic_SetSCSISelectionTimeout = 0x06,
551: BusLogic_SetPreemptTimeOnBus = 0x07,
552: BusLogic_SetTimeOffBus = 0x08,
553: BusLogic_SetBusTransferRate = 0x09,
554: BusLogic_InquireInstalledDevicesID0to7 = 0x0A,
555: BusLogic_InquireConfiguration = 0x0B,
556: BusLogic_EnableTargetMode = 0x0C,
557: BusLogic_InquireSetupInformation = 0x0D,
558: BusLogic_WriteAdapterLocalRAM = 0x1A,
559: BusLogic_ReadAdapterLocalRAM = 0x1B,
560: BusLogic_WriteBusMasterChipFIFO = 0x1C,
561: BusLogic_ReadBusMasterChipFIFO = 0x1D,
562: BusLogic_EchoCommandData = 0x1F,
563: BusLogic_HostAdapterDiagnostic = 0x20,
564: BusLogic_SetAdapterOptions = 0x21,
565: BusLogic_InquireInstalledDevicesID8to15 = 0x23,
566: BusLogic_InquireTargetDevices = 0x24,
567: BusLogic_DisableHostAdapterInterrupt = 0x25,
568: BusLogic_InitializeExtendedMailbox = 0x81,
569: BusLogic_ExecuteSCSICommand = 0x83,
570: BusLogic_InquireFirmwareVersion3rdDigit = 0x84,
571: BusLogic_InquireFirmwareVersionLetter = 0x85,
572: BusLogic_InquirePCIHostAdapterInformation = 0x86,
573: BusLogic_InquireHostAdapterModelNumber = 0x8B,
574: BusLogic_InquireSynchronousPeriod = 0x8C,
575: BusLogic_InquireExtendedSetupInformation = 0x8D,
576: BusLogic_EnableStrictRoundRobinMode = 0x8F,
577: BusLogic_StoreHostAdapterLocalRAM = 0x90,
578: BusLogic_FetchHostAdapterLocalRAM = 0x91,
579: BusLogic_StoreLocalDataInEEPROM = 0x92,
580: BusLogic_UploadAutoSCSICode = 0x94,
581: BusLogic_ModifyIOAddress = 0x95,
582: BusLogic_SetCCBFormat = 0x96,
583: BusLogic_WriteInquiryBuffer = 0x9A,
584: BusLogic_ReadInquiryBuffer = 0x9B,
585: BusLogic_FlashROMUploadDownload = 0xA7,
586: BusLogic_ReadSCAMData = 0xA8,
587: BusLogic_WriteSCAMData = 0xA9
588: }
589: BusLogic_OperationCode_T;
590:
591:
592: /*
593: Define the Inquire Board ID reply structure.
594: */
595:
596: typedef struct BusLogic_BoardID
597: {
598: unsigned char BoardType; /* Byte 0 */
599: unsigned char CustomFeatures; /* Byte 1 */
600: unsigned char FirmwareVersion1stDigit; /* Byte 2 */
601: unsigned char FirmwareVersion2ndDigit; /* Byte 3 */
602: }
603: BusLogic_BoardID_T;
604:
605:
606: /*
607: Define the Inquire Installed Devices ID 0 to 7 and Inquire Installed
608: Devices ID 8 to 15 reply type. For each Target Device, a byte is returned
609: where bit 0 set indicates that Logical Unit 0 exists, bit 1 set indicates
610: that Logical Unit 1 exists, and so on.
611: */
612:
613: typedef unsigned char BusLogic_InstalledDevices8_T[8];
614:
615:
616: /*
617: Define the Inquire Target Devices reply type. Inquire Target Devices only
618: tests Logical Unit 0 of each Target Device unlike the Inquire Installed
619: Devices commands which test Logical Units 0 - 7. Two bytes are returned,
620: where byte 0 bit 0 set indicates that Target Device 0 exists, and so on.
621: */
622:
623: typedef unsigned short BusLogic_InstalledDevices_T;
624:
625:
626: /*
627: Define the Inquire Configuration reply structure.
628: */
629:
630: typedef struct BusLogic_Configuration
631: {
632: unsigned char :5; /* Byte 0 Bits 0-4 */
633: boolean DMA_Channel5:1; /* Byte 0 Bit 5 */
634: boolean DMA_Channel6:1; /* Byte 0 Bit 6 */
635: boolean DMA_Channel7:1; /* Byte 0 Bit 7 */
636: boolean IRQ_Channel9:1; /* Byte 1 Bit 0 */
637: boolean IRQ_Channel10:1; /* Byte 1 Bit 1 */
638: boolean IRQ_Channel11:1; /* Byte 1 Bit 2 */
639: boolean IRQ_Channel12:1; /* Byte 1 Bit 3 */
640: unsigned char :1; /* Byte 1 Bit 4 */
641: boolean IRQ_Channel14:1; /* Byte 1 Bit 5 */
642: boolean IRQ_Channel15:1; /* Byte 1 Bit 6 */
643: unsigned char :1; /* Byte 1 Bit 7 */
644: unsigned char HostAdapterID:4; /* Byte 2 Bits 0-3 */
645: unsigned char :4; /* Byte 2 Bits 4-7 */
646: }
647: BusLogic_Configuration_T;
648:
649:
650: /*
651: Define the Inquire Setup Information reply structure.
652: */
653:
654: typedef struct BusLogic_SynchronousValue
655: {
656: unsigned char Offset:4; /* Bits 0-3 */
657: unsigned char TransferPeriod:3; /* Bits 4-6 */
658: boolean Synchronous:1; /* Bit 7 */
659: }
660: BusLogic_SynchronousValue_T;
661:
662: typedef BusLogic_SynchronousValue_T
663: BusLogic_SynchronousValues8_T[8];
664:
665: typedef BusLogic_SynchronousValue_T
666: BusLogic_SynchronousValues_T[BusLogic_MaxTargetDevices];
667:
668: typedef struct BusLogic_SetupInformation
669: {
670: boolean SynchronousInitiationEnabled:1; /* Byte 0 Bit 0 */
671: boolean ParityCheckingEnabled:1; /* Byte 0 Bit 1 */
672: unsigned char :6; /* Byte 0 Bits 2-7 */
673: unsigned char BusTransferRate; /* Byte 1 */
674: unsigned char PreemptTimeOnBus; /* Byte 2 */
675: unsigned char TimeOffBus; /* Byte 3 */
676: unsigned char MailboxCount; /* Byte 4 */
677: unsigned char MailboxAddress[3]; /* Bytes 5-7 */
678: BusLogic_SynchronousValues8_T SynchronousValuesID0to7; /* Bytes 8-15 */
679: unsigned char DisconnectPermittedID0to7; /* Byte 16 */
680: unsigned char Signature; /* Byte 17 */
681: unsigned char CharacterD; /* Byte 18 */
682: unsigned char HostBusType; /* Byte 19 */
683: unsigned char WideTransfersPermittedID0to7; /* Byte 20 */
684: unsigned char WideTransfersActiveID0to7; /* Byte 21 */
685: BusLogic_SynchronousValues8_T SynchronousValuesID8to15; /* Bytes 22-29 */
686: unsigned char DisconnectPermittedID8to15; /* Byte 30 */
687: unsigned char :8; /* Byte 31 */
688: unsigned char WideTransfersPermittedID8to15; /* Byte 32 */
689: unsigned char WideTransfersActiveID8to15; /* Byte 33 */
690: }
691: BusLogic_SetupInformation_T;
692:
693:
694: /*
695: Define the Initialize Extended Mailbox request structure.
696: */
697:
698: typedef struct BusLogic_ExtendedMailboxRequest
699: {
700: unsigned char MailboxCount; /* Byte 0 */
701: BusLogic_BusAddress_T BaseMailboxAddress; /* Bytes 1-4 */
702: }
703: __attribute__ ((packed))
704: BusLogic_ExtendedMailboxRequest_T;
705:
706:
707: /*
708: Define the Inquire Firmware Version 3rd Digit reply type.
709: */
710:
711: typedef unsigned char BusLogic_FirmwareVersion3rdDigit_T;
712:
713:
714: /*
715: Define the Inquire Firmware Version Letter reply type.
716: */
717:
718: typedef unsigned char BusLogic_FirmwareVersionLetter_T;
719:
720:
721: /*
722: Define the Inquire PCI Host Adapter Information reply type. The ISA
723: Compatible I/O Port values are defined here and are also used with
724: the Modify I/O Address command.
725: */
726:
727: typedef enum BusLogic_ISACompatibleIOPort
728: {
729: BusLogic_IO_330 = 0,
730: BusLogic_IO_334 = 1,
731: BusLogic_IO_230 = 2,
732: BusLogic_IO_234 = 3,
733: BusLogic_IO_130 = 4,
734: BusLogic_IO_134 = 5,
735: BusLogic_IO_Disable = 6,
736: BusLogic_IO_Disable2 = 7
737: }
738: __attribute__ ((packed))
739: BusLogic_ISACompatibleIOPort_T;
740:
741: typedef struct BusLogic_PCIHostAdapterInformation
742: {
743: BusLogic_ISACompatibleIOPort_T ISACompatibleIOPort; /* Byte 0 */
744: unsigned char PCIAssignedIRQChannel; /* Byte 1 */
745: boolean LowByteTerminated:1; /* Byte 2 Bit 0 */
746: boolean HighByteTerminated:1; /* Byte 2 Bit 1 */
747: unsigned char :2; /* Byte 2 Bits 2-3 */
748: boolean JP1:1; /* Byte 2 Bit 4 */
749: boolean JP2:1; /* Byte 2 Bit 5 */
750: boolean JP3:1; /* Byte 2 Bit 6 */
751: boolean GenericInfoValid:1; /* Byte 2 Bit 7 */
752: unsigned char :8; /* Byte 3 */
753: }
754: BusLogic_PCIHostAdapterInformation_T;
755:
756:
757: /*
758: Define the Inquire Host Adapter Model Number reply type.
759: */
760:
761: typedef unsigned char BusLogic_HostAdapterModelNumber_T[5];
762:
763:
764: /*
765: Define the Inquire Synchronous Period reply type. For each Target Device,
766: a byte is returned which represents the Synchronous Transfer Period in units
767: of 10 nanoseconds.
768: */
769:
770: typedef unsigned char BusLogic_SynchronousPeriod_T[BusLogic_MaxTargetDevices];
771:
772:
773: /*
774: Define the Inquire Extended Setup Information reply structure.
775: */
776:
777: typedef struct BusLogic_ExtendedSetupInformation
778: {
779: unsigned char BusType; /* Byte 0 */
780: unsigned char BIOS_Address; /* Byte 1 */
781: unsigned short ScatterGatherLimit; /* Bytes 2-3 */
782: unsigned char MailboxCount; /* Byte 4 */
783: BusLogic_BusAddress_T BaseMailboxAddress; /* Bytes 5-8 */
784: struct { unsigned char :2; /* Byte 9 Bits 0-1 */
785: boolean FastOnEISA:1; /* Byte 9 Bit 2 */
786: unsigned char :3; /* Byte 9 Bits 3-5 */
787: boolean LevelSensitiveInterrupt:1; /* Byte 9 Bit 6 */
788: unsigned char :1; } Misc; /* Byte 9 Bit 7 */
789: unsigned char FirmwareRevision[3]; /* Bytes 10-12 */
790: boolean HostWideSCSI:1; /* Byte 13 Bit 0 */
791: boolean HostDifferentialSCSI:1; /* Byte 13 Bit 1 */
792: boolean HostSupportsSCAM:1; /* Byte 13 Bit 2 */
793: boolean HostUltraSCSI:1; /* Byte 13 Bit 3 */
794: boolean HostSmartTermination:1; /* Byte 13 Bit 4 */
795: unsigned char :3; /* Byte 13 Bits 5-7 */
796: }
797: __attribute__ ((packed))
798: BusLogic_ExtendedSetupInformation_T;
799:
800:
801: /*
802: Define the Enable Strict Round Robin Mode request type.
803: */
804:
805: typedef enum BusLogic_RoundRobinModeRequest
806: {
807: BusLogic_AggressiveRoundRobinMode = 0,
808: BusLogic_StrictRoundRobinMode = 1
809: }
810: __attribute__ ((packed))
811: BusLogic_RoundRobinModeRequest_T;
812:
813:
814: /*
815: Define the Fetch Host Adapter Local RAM request type.
816: */
817:
818: #define BusLogic_BIOS_BaseOffset 0
819: #define BusLogic_AutoSCSI_BaseOffset 64
820:
821: typedef struct BusLogic_FetchHostAdapterLocalRAMRequest
822: {
823: unsigned char ByteOffset; /* Byte 0 */
824: unsigned char ByteCount; /* Byte 1 */
825: }
826: BusLogic_FetchHostAdapterLocalRAMRequest_T;
827:
828:
829: /*
830: Define the Host Adapter Local RAM AutoSCSI structure.
831: */
832:
833: typedef struct BusLogic_AutoSCSIData
834: {
835: unsigned char InternalFactorySignature[2]; /* Bytes 0-1 */
836: unsigned char InformationByteCount; /* Byte 2 */
837: unsigned char HostAdapterType[6]; /* Bytes 3-8 */
838: unsigned char :8; /* Byte 9 */
839: boolean FloppyEnabled:1; /* Byte 10 Bit 0 */
840: boolean FloppySecondary:1; /* Byte 10 Bit 1 */
841: boolean LevelSensitiveInterrupt:1; /* Byte 10 Bit 2 */
842: unsigned char :2; /* Byte 10 Bits 3-4 */
843: unsigned char SystemRAMAreaForBIOS:3; /* Byte 10 Bits 5-7 */
844: unsigned char DMA_Channel:7; /* Byte 11 Bits 0-6 */
845: boolean DMA_AutoConfiguration:1; /* Byte 11 Bit 7 */
846: unsigned char IRQ_Channel:7; /* Byte 12 Bits 0-6 */
847: boolean IRQ_AutoConfiguration:1; /* Byte 12 Bit 7 */
848: unsigned char DMA_TransferRate; /* Byte 13 */
849: unsigned char SCSI_ID; /* Byte 14 */
850: boolean LowByteTerminated:1; /* Byte 15 Bit 0 */
851: boolean ParityCheckingEnabled:1; /* Byte 15 Bit 1 */
852: boolean HighByteTerminated:1; /* Byte 15 Bit 2 */
853: boolean NoisyCablingEnvironment:1; /* Byte 15 Bit 3 */
854: boolean FastSynchronousNegotiation:1; /* Byte 15 Bit 4 */
855: boolean BusResetEnabled:1; /* Byte 15 Bit 5 */
856: boolean :1; /* Byte 15 Bit 6 */
857: boolean ActiveNegationEnabled:1; /* Byte 15 Bit 7 */
858: unsigned char BusOnDelay; /* Byte 16 */
859: unsigned char BusOffDelay; /* Byte 17 */
860: boolean HostAdapterBIOSEnabled:1; /* Byte 18 Bit 0 */
861: boolean BIOSRedirectionOfINT19Enabled:1; /* Byte 18 Bit 1 */
862: boolean ExtendedTranslationEnabled:1; /* Byte 18 Bit 2 */
863: boolean MapRemovableAsFixedEnabled:1; /* Byte 18 Bit 3 */
864: boolean :1; /* Byte 18 Bit 4 */
865: boolean BIOSSupportsMoreThan2DrivesEnabled:1; /* Byte 18 Bit 5 */
866: boolean BIOSInterruptModeEnabled:1; /* Byte 18 Bit 6 */
867: boolean FlopticalSupportEnabled:1; /* Byte 19 Bit 7 */
868: unsigned short DeviceEnabled; /* Bytes 19-20 */
869: unsigned short WidePermitted; /* Bytes 21-22 */
870: unsigned short FastPermitted; /* Bytes 23-24 */
871: unsigned short SynchronousPermitted; /* Bytes 25-26 */
872: unsigned short DisconnectPermitted; /* Bytes 27-28 */
873: unsigned short SendStartUnitCommand; /* Bytes 29-30 */
874: unsigned short IgnoreInBIOSScan; /* Bytes 31-32 */
875: unsigned char PCIInterruptPin:2; /* Byte 33 Bits 0-1 */
876: unsigned char HostAdapterIOPortAddress:2; /* Byte 33 Bits 2-3 */
877: boolean StrictRoundRobinModeEnabled:1; /* Byte 33 Bit 4 */
878: boolean VESABusSpeedGreaterThan33MHz:1; /* Byte 33 Bit 5 */
879: boolean VESABurstWriteEnabled:1; /* Byte 33 Bit 6 */
880: boolean VESABurstReadEnabled:1; /* Byte 33 Bit 7 */
881: unsigned short UltraPermitted; /* Bytes 34-35 */
882: unsigned int :32; /* Bytes 36-39 */
883: unsigned char :8; /* Byte 40 */
884: unsigned char AutoSCSIMaximumLUN; /* Byte 41 */
885: boolean :1; /* Byte 42 Bit 0 */
886: boolean SCAM_Dominant:1; /* Byte 42 Bit 1 */
887: boolean SCAM_Enabled:1; /* Byte 42 Bit 2 */
888: boolean SCAM_Level2:1; /* Byte 42 Bit 3 */
889: unsigned char :4; /* Byte 42 Bits 4-7 */
890: boolean INT13ExtensionEnabled:1; /* Byte 43 Bit 0 */
891: boolean :1; /* Byte 43 Bit 1 */
892: boolean CDROMBootEnabled:1; /* Byte 43 Bit 2 */
893: unsigned char :5; /* Byte 43 Bits 3-7 */
894: unsigned char BootTargetID:4; /* Byte 44 Bits 0-3 */
895: unsigned char BootChannel:4; /* Byte 44 Bits 4-7 */
896: unsigned char ForceBusDeviceScanningOrder:1; /* Byte 45 Bit 0 */
897: unsigned char :7; /* Byte 45 Bits 1-7 */
898: unsigned short NonTaggedToAlternateLUNPermitted; /* Bytes 46-47 */
899: unsigned short RenegotiateSyncAfterCheckCondition; /* Bytes 48-49 */
900: unsigned char Reserved[10]; /* Bytes 50-59 */
901: unsigned char ManufacturingDiagnostic[2]; /* Bytes 60-61 */
902: unsigned short Checksum; /* Bytes 62-63 */
903: }
904: __attribute__ ((packed))
905: BusLogic_AutoSCSIData_T;
906:
907:
908: /*
909: Define the Host Adapter Local RAM Auto SCSI Byte 45 structure.
910: */
911:
912: typedef struct BusLogic_AutoSCSIByte45
913: {
914: unsigned char ForceBusDeviceScanningOrder:1; /* Bit 0 */
915: unsigned char :7; /* Bits 1-7 */
916: }
917: BusLogic_AutoSCSIByte45_T;
918:
919:
920: /*
921: Define the Host Adapter Local RAM BIOS Drive Map Byte structure.
922: */
923:
924: #define BusLogic_BIOS_DriveMapOffset 17
925:
926: typedef struct BusLogic_BIOSDriveMapByte
927: {
928: unsigned char TargetIDBit3:1; /* Bit 0 */
929: unsigned char :2; /* Bits 1-2 */
930: BusLogic_BIOS_DiskGeometryTranslation_T DiskGeometry:2; /* Bits 3-4 */
931: unsigned char TargetID:3; /* Bits 5-7 */
932: }
933: BusLogic_BIOSDriveMapByte_T;
934:
935:
936: /*
937: Define the Modify I/O Address request type. On PCI Host Adapters, the
938: Modify I/O Address command allows modification of the ISA compatible I/O
939: Address that the Host Adapter responds to; it does not affect the PCI
940: compliant I/O Address assigned at system initialization.
941: */
942:
943: typedef BusLogic_ISACompatibleIOPort_T BusLogic_ModifyIOAddressRequest_T;
944:
945:
946: /*
947: Define the Set CCB Format request type. Extended LUN Format CCBs are
948: necessary to support more than 8 Logical Units per Target Device.
949: */
950:
951: typedef enum BusLogic_SetCCBFormatRequest
952: {
953: BusLogic_LegacyLUNFormatCCB = 0,
954: BusLogic_ExtendedLUNFormatCCB = 1
955: }
956: __attribute__ ((packed))
957: BusLogic_SetCCBFormatRequest_T;
958:
959:
960: /*
961: Define the Requested Reply Length type used by the Inquire Setup Information,
962: Inquire Host Adapter Model Number, Inquire Synchronous Period, and Inquire
963: Extended Setup Information commands.
964: */
965:
966: typedef unsigned char BusLogic_RequestedReplyLength_T;
967:
968:
969: /*
970: Define the Outgoing Mailbox Action Codes.
971: */
972:
973: typedef enum
974: {
975: BusLogic_OutgoingMailboxFree = 0x00,
976: BusLogic_MailboxStartCommand = 0x01,
977: BusLogic_MailboxAbortCommand = 0x02
978: }
979: __attribute__ ((packed))
980: BusLogic_ActionCode_T;
981:
982:
983: /*
984: Define the Incoming Mailbox Completion Codes. The MultiMaster Firmware
985: only uses codes 0 - 4. The FlashPoint SCCB Manager has no mailboxes, so
986: completion codes are stored in the CCB; it only uses codes 1, 2, 4, and 5.
987: */
988:
989: typedef enum
990: {
991: BusLogic_IncomingMailboxFree = 0x00,
992: BusLogic_CommandCompletedWithoutError = 0x01,
993: BusLogic_CommandAbortedAtHostRequest = 0x02,
994: BusLogic_AbortedCommandNotFound = 0x03,
995: BusLogic_CommandCompletedWithError = 0x04,
996: BusLogic_InvalidCCB = 0x05
997: }
998: __attribute__ ((packed))
999: BusLogic_CompletionCode_T;
1000:
1001:
1002: /*
1003: Define the Command Control Block (CCB) Opcodes.
1004: */
1005:
1006: typedef enum
1007: {
1008: BusLogic_InitiatorCCB = 0x00,
1009: BusLogic_TargetCCB = 0x01,
1010: BusLogic_InitiatorCCB_ScatterGather = 0x02,
1011: BusLogic_InitiatorCCB_ResidualDataLength = 0x03,
1012: BusLogic_InitiatorCCB_ScatterGatherResidual = 0x04,
1013: BusLogic_BusDeviceReset = 0x81
1014: }
1015: __attribute__ ((packed))
1016: BusLogic_CCB_Opcode_T;
1017:
1018:
1019: /*
1020: Define the CCB Data Direction Codes.
1021: */
1022:
1023: typedef enum
1024: {
1025: BusLogic_UncheckedDataTransfer = 0,
1026: BusLogic_DataInLengthChecked = 1,
1027: BusLogic_DataOutLengthChecked = 2,
1028: BusLogic_NoDataTransfer = 3
1029: }
1030: BusLogic_DataDirection_T;
1031:
1032:
1033: /*
1034: Define the Host Adapter Status Codes. The MultiMaster Firmware does not
1035: return status code 0x0C; it uses 0x12 for both overruns and underruns.
1036: */
1037:
1038: typedef enum
1039: {
1040: BusLogic_CommandCompletedNormally = 0x00,
1041: BusLogic_LinkedCommandCompleted = 0x0A,
1042: BusLogic_LinkedCommandCompletedWithFlag = 0x0B,
1043: BusLogic_DataUnderRun = 0x0C,
1044: BusLogic_SCSISelectionTimeout = 0x11,
1045: BusLogic_DataOverRun = 0x12,
1046: BusLogic_UnexpectedBusFree = 0x13,
1047: BusLogic_InvalidBusPhaseRequested = 0x14,
1048: BusLogic_InvalidOutgoingMailboxActionCode = 0x15,
1049: BusLogic_InvalidCommandOperationCode = 0x16,
1050: BusLogic_LinkedCCBhasInvalidLUN = 0x17,
1051: BusLogic_InvalidCommandParameter = 0x1A,
1052: BusLogic_AutoRequestSenseFailed = 0x1B,
1053: BusLogic_TaggedQueuingMessageRejected = 0x1C,
1054: BusLogic_UnsupportedMessageReceived = 0x1D,
1055: BusLogic_HostAdapterHardwareFailed = 0x20,
1056: BusLogic_TargetFailedResponseToATN = 0x21,
1057: BusLogic_HostAdapterAssertedRST = 0x22,
1058: BusLogic_OtherDeviceAssertedRST = 0x23,
1059: BusLogic_TargetDeviceReconnectedImproperly = 0x24,
1060: BusLogic_HostAdapterAssertedBusDeviceReset = 0x25,
1061: BusLogic_AbortQueueGenerated = 0x26,
1062: BusLogic_HostAdapterSoftwareError = 0x27,
1063: BusLogic_HostAdapterHardwareTimeoutError = 0x30,
1064: BusLogic_SCSIParityErrorDetected = 0x34
1065: }
1066: __attribute__ ((packed))
1067: BusLogic_HostAdapterStatus_T;
1068:
1069:
1070: /*
1071: Define the SCSI Target Device Status Codes.
1072: */
1073:
1074: typedef enum
1075: {
1076: BusLogic_OperationGood = 0x00,
1077: BusLogic_CheckCondition = 0x02,
1078: BusLogic_DeviceBusy = 0x08
1079: }
1080: __attribute__ ((packed))
1081: BusLogic_TargetDeviceStatus_T;
1082:
1083:
1084: /*
1085: Define the Queue Tag Codes.
1086: */
1087:
1088: typedef enum
1089: {
1090: BusLogic_SimpleQueueTag = 0,
1091: BusLogic_HeadOfQueueTag = 1,
1092: BusLogic_OrderedQueueTag = 2,
1093: BusLogic_ReservedQT = 3
1094: }
1095: BusLogic_QueueTag_T;
1096:
1097:
1098: /*
1099: Define the SCSI Command Descriptor Block (CDB).
1100: */
1101:
1102: #define BusLogic_CDB_MaxLength 12
1103:
1104: typedef unsigned char SCSI_CDB_T[BusLogic_CDB_MaxLength];
1105:
1106:
1107: /*
1108: Define the Scatter/Gather Segment structure required by the MultiMaster
1109: Firmware Interface and the FlashPoint SCCB Manager.
1110: */
1111:
1112: typedef struct BusLogic_ScatterGatherSegment
1113: {
1114: BusLogic_ByteCount_T SegmentByteCount; /* Bytes 0-3 */
1115: BusLogic_BusAddress_T SegmentDataPointer; /* Bytes 4-7 */
1116: }
1117: BusLogic_ScatterGatherSegment_T;
1118:
1119:
1120: /*
1121: Define the Driver CCB Status Codes.
1122: */
1123:
1124: typedef enum
1125: {
1126: BusLogic_CCB_Free = 0,
1127: BusLogic_CCB_Active = 1,
1128: BusLogic_CCB_Completed = 2,
1129: BusLogic_CCB_Reset = 3
1130: }
1131: __attribute__ ((packed))
1132: BusLogic_CCB_Status_T;
1133:
1134:
1135: /*
1136: Define the 32 Bit Mode Command Control Block (CCB) structure. The first 40
1137: bytes are defined by and common to both the MultiMaster Firmware and the
1138: FlashPoint SCCB Manager. The next 60 bytes are defined by the FlashPoint
1139: SCCB Manager. The remaining components are defined by the Linux BusLogic
1140: Driver. Extended LUN Format CCBs differ from Legacy LUN Format 32 Bit Mode
1141: CCBs only in having the TagEnable and QueueTag fields moved from byte 17 to
1142: byte 1, and the Logical Unit field in byte 17 expanded to 6 bits. In theory,
1143: Extended LUN Format CCBs can support up to 64 Logical Units, but in practice
1144: many devices will respond improperly to Logical Units between 32 and 63, and
1145: the SCSI-2 specification defines Bit 5 as LUNTAR. Extended LUN Format CCBs
1146: are used by recent versions of the MultiMaster Firmware, as well as by the
1147: FlashPoint SCCB Manager; the FlashPoint SCCB Manager only supports 32 Logical
1148: Units. Since 64 Logical Units are unlikely to be needed in practice, and
1149: since they are problematic for the above reasons, and since limiting them to
1150: 5 bits simplifies the CCB structure definition, this driver only supports
1151: 32 Logical Units per Target Device.
1152: */
1153:
1154: typedef struct BusLogic_CCB
1155: {
1156: /*
1157: MultiMaster Firmware and FlashPoint SCCB Manager Common Portion.
1158: */
1159: BusLogic_CCB_Opcode_T Opcode; /* Byte 0 */
1160: unsigned char :3; /* Byte 1 Bits 0-2 */
1161: BusLogic_DataDirection_T DataDirection:2; /* Byte 1 Bits 3-4 */
1162: boolean TagEnable:1; /* Byte 1 Bit 5 */
1163: BusLogic_QueueTag_T QueueTag:2; /* Byte 1 Bits 6-7 */
1164: unsigned char CDB_Length; /* Byte 2 */
1165: unsigned char SenseDataLength; /* Byte 3 */
1166: BusLogic_ByteCount_T DataLength; /* Bytes 4-7 */
1167: BusLogic_BusAddress_T DataPointer; /* Bytes 8-11 */
1168: unsigned char :8; /* Byte 12 */
1169: unsigned char :8; /* Byte 13 */
1170: BusLogic_HostAdapterStatus_T HostAdapterStatus; /* Byte 14 */
1171: BusLogic_TargetDeviceStatus_T TargetDeviceStatus; /* Byte 15 */
1172: unsigned char TargetID; /* Byte 16 */
1173: unsigned char LogicalUnit:5; /* Byte 17 Bits 0-4 */
1174: boolean LegacyTagEnable:1; /* Byte 17 Bit 5 */
1175: BusLogic_QueueTag_T LegacyQueueTag:2; /* Byte 17 Bits 6-7 */
1176: SCSI_CDB_T CDB; /* Bytes 18-29 */
1177: unsigned char :8; /* Byte 30 */
1178: unsigned char :8; /* Byte 31 */
1179: unsigned int :32; /* Bytes 32-35 */
1180: BusLogic_BusAddress_T SenseDataPointer; /* Bytes 36-39 */
1181: /*
1182: FlashPoint SCCB Manager Defined Portion.
1183: */
1184: void (*CallbackFunction)(struct BusLogic_CCB *); /* Bytes 40-43 */
1185: BusLogic_Base_Address_T BaseAddress; /* Bytes 44-47 */
1186: BusLogic_CompletionCode_T CompletionCode; /* Byte 48 */
1187: #ifndef CONFIG_SCSI_OMIT_FLASHPOINT
1188: unsigned char :8; /* Byte 49 */
1189: unsigned short OS_Flags; /* Bytes 50-51 */
1190: unsigned char Private[48]; /* Bytes 52-99 */
1191: #endif
1192: /*
1193: BusLogic Linux Driver Defined Portion.
1194: */
1195: boolean AllocationGroupHead;
1196: BusLogic_CCB_Status_T Status;
1197: unsigned long SerialNumber;
1198: SCSI_Command_T *Command;
1199: struct BusLogic_HostAdapter *HostAdapter;
1200: struct BusLogic_CCB *Next;
1201: struct BusLogic_CCB *NextAll;
1202: BusLogic_ScatterGatherSegment_T
1203: ScatterGatherList[BusLogic_ScatterGatherLimit];
1204: }
1205: BusLogic_CCB_T;
1206:
1207:
1208: /*
1209: Define the 32 Bit Mode Outgoing Mailbox structure.
1210: */
1211:
1212: typedef struct BusLogic_OutgoingMailbox
1213: {
1214: BusLogic_BusAddress_T CCB; /* Bytes 0-3 */
1215: unsigned int :24; /* Bytes 4-6 */
1216: BusLogic_ActionCode_T ActionCode; /* Byte 7 */
1217: }
1218: BusLogic_OutgoingMailbox_T;
1219:
1220:
1221: /*
1222: Define the 32 Bit Mode Incoming Mailbox structure.
1223: */
1224:
1225: typedef struct BusLogic_IncomingMailbox
1226: {
1227: BusLogic_BusAddress_T CCB; /* Bytes 0-3 */
1228: BusLogic_HostAdapterStatus_T HostAdapterStatus; /* Byte 4 */
1229: BusLogic_TargetDeviceStatus_T TargetDeviceStatus; /* Byte 5 */
1230: unsigned char :8; /* Byte 6 */
1231: BusLogic_CompletionCode_T CompletionCode; /* Byte 7 */
1232: }
1233: BusLogic_IncomingMailbox_T;
1234:
1235:
1236: /*
1237: Define the BusLogic Driver Options structure.
1238: */
1239:
1240: typedef struct BusLogic_DriverOptions
1241: {
1242: unsigned short TaggedQueuingPermitted;
1243: unsigned short TaggedQueuingPermittedMask;
1244: unsigned short BusSettleTime;
1245: BusLogic_LocalOptions_T LocalOptions;
1246: unsigned char CommonQueueDepth;
1247: unsigned char QueueDepth[BusLogic_MaxTargetDevices];
1248: BusLogic_ErrorRecoveryStrategy_T
1249: ErrorRecoveryStrategy[BusLogic_MaxTargetDevices];
1250: }
1251: BusLogic_DriverOptions_T;
1252:
1253:
1254: /*
1255: Define the Host Adapter Target Flags structure.
1256: */
1257:
1258: typedef struct BusLogic_TargetFlags
1259: {
1260: boolean TargetExists:1;
1261: boolean TaggedQueuingSupported:1;
1262: boolean WideTransfersSupported:1;
1263: boolean TaggedQueuingActive:1;
1264: boolean WideTransfersActive:1;
1265: boolean CommandSuccessfulFlag:1;
1266: boolean TargetInfoReported:1;
1267: }
1268: BusLogic_TargetFlags_T;
1269:
1270:
1271: /*
1272: Define the Host Adapter Target Statistics structure.
1273: */
1274:
1275: #define BusLogic_SizeBuckets 10
1276:
1277: typedef unsigned int BusLogic_CommandSizeBuckets_T[BusLogic_SizeBuckets];
1278:
1279: typedef struct BusLogic_TargetStatistics
1280: {
1281: unsigned int CommandsAttempted;
1282: unsigned int CommandsCompleted;
1283: unsigned int ReadCommands;
1284: unsigned int WriteCommands;
1285: BusLogic_ByteCounter_T TotalBytesRead;
1286: BusLogic_ByteCounter_T TotalBytesWritten;
1287: BusLogic_CommandSizeBuckets_T ReadCommandSizeBuckets;
1288: BusLogic_CommandSizeBuckets_T WriteCommandSizeBuckets;
1289: unsigned short CommandAbortsRequested;
1290: unsigned short CommandAbortsAttempted;
1291: unsigned short CommandAbortsCompleted;
1292: unsigned short BusDeviceResetsRequested;
1293: unsigned short BusDeviceResetsAttempted;
1294: unsigned short BusDeviceResetsCompleted;
1295: unsigned short HostAdapterResetsRequested;
1296: unsigned short HostAdapterResetsAttempted;
1297: unsigned short HostAdapterResetsCompleted;
1298: }
1299: BusLogic_TargetStatistics_T;
1300:
1301:
1302: /*
1303: Define the FlashPoint Card Handle data type.
1304: */
1305:
1306: #define FlashPoint_BadCardHandle 0xFFFFFFFF
1307:
1308: typedef unsigned int FlashPoint_CardHandle_T;
1309:
1310:
1311: /*
1312: Define the FlashPoint Information structure. This structure is defined
1313: by the FlashPoint SCCB Manager.
1314: */
1315:
1316: typedef struct FlashPoint_Info
1317: {
1318: BusLogic_Base_Address_T BaseAddress; /* Bytes 0-3 */
1319: boolean Present; /* Byte 4 */
1320: unsigned char IRQ_Channel; /* Byte 5 */
1321: unsigned char SCSI_ID; /* Byte 6 */
1322: unsigned char SCSI_LUN; /* Byte 7 */
1323: unsigned short FirmwareRevision; /* Bytes 8-9 */
1324: unsigned short SynchronousPermitted; /* Bytes 10-11 */
1325: unsigned short FastPermitted; /* Bytes 12-13 */
1326: unsigned short UltraPermitted; /* Bytes 14-15 */
1327: unsigned short DisconnectPermitted; /* Bytes 16-17 */
1328: unsigned short WidePermitted; /* Bytes 18-19 */
1329: boolean ParityCheckingEnabled:1; /* Byte 20 Bit 0 */
1330: boolean HostWideSCSI:1; /* Byte 20 Bit 1 */
1331: boolean HostSoftReset:1; /* Byte 20 Bit 2 */
1332: boolean ExtendedTranslationEnabled:1; /* Byte 20 Bit 3 */
1333: boolean LowByteTerminated:1; /* Byte 20 Bit 4 */
1334: boolean HighByteTerminated:1; /* Byte 20 Bit 5 */
1335: boolean ReportDataUnderrun:1; /* Byte 20 Bit 6 */
1336: boolean SCAM_Enabled:1; /* Byte 20 Bit 7 */
1337: boolean SCAM_Level2:1; /* Byte 21 Bit 0 */
1338: unsigned char :7; /* Byte 21 Bits 1-7 */
1339: unsigned char Family; /* Byte 22 */
1340: unsigned char BusType; /* Byte 23 */
1341: unsigned char ModelNumber[3]; /* Bytes 24-26 */
1342: unsigned char RelativeCardNumber; /* Byte 27 */
1343: unsigned char Reserved[4]; /* Bytes 28-31 */
1344: unsigned int OS_Reserved; /* Bytes 32-35 */
1345: unsigned char TranslationInfo[4]; /* Bytes 36-39 */
1346: unsigned int Reserved2[5]; /* Bytes 40-59 */
1347: unsigned int SecondaryRange; /* Bytes 60-63 */
1348: }
1349: FlashPoint_Info_T;
1350:
1351:
1352: /*
1353: Define the BusLogic Driver Host Adapter structure.
1354: */
1355:
1356: typedef struct BusLogic_HostAdapter
1357: {
1358: SCSI_Host_T *SCSI_Host;
1359: BusLogic_HostAdapterType_T HostAdapterType;
1360: BusLogic_HostAdapterBusType_T HostAdapterBusType;
1361: BusLogic_IO_Address_T IO_Address;
1362: BusLogic_PCI_Address_T PCI_Address;
1363: unsigned short AddressCount;
1364: unsigned char HostNumber;
1365: unsigned char ModelName[9];
1366: unsigned char FirmwareVersion[6];
1367: unsigned char FullModelName[18];
1368: unsigned char Bus;
1369: unsigned char Device;
1370: unsigned char IRQ_Channel;
1371: unsigned char DMA_Channel;
1372: unsigned char SCSI_ID;
1373: boolean IRQ_ChannelAcquired:1;
1374: boolean DMA_ChannelAcquired:1;
1375: boolean ExtendedTranslationEnabled:1;
1376: boolean ParityCheckingEnabled:1;
1377: boolean BusResetEnabled:1;
1378: boolean LevelSensitiveInterrupt:1;
1379: boolean HostWideSCSI:1;
1380: boolean HostDifferentialSCSI:1;
1381: boolean HostSupportsSCAM:1;
1382: boolean HostUltraSCSI:1;
1383: boolean ExtendedLUNSupport:1;
1384: boolean TerminationInfoValid:1;
1385: boolean LowByteTerminated:1;
1386: boolean HighByteTerminated:1;
1387: boolean BounceBuffersRequired:1;
1388: boolean StrictRoundRobinModeSupport:1;
1389: boolean SCAM_Enabled:1;
1390: boolean SCAM_Level2:1;
1391: boolean HostAdapterInitialized:1;
1392: boolean HostAdapterExternalReset:1;
1393: boolean HostAdapterInternalError:1;
1394: boolean ProcessCompletedCCBsActive;
1395: volatile boolean HostAdapterCommandCompleted;
1396: unsigned short HostAdapterScatterGatherLimit;
1397: unsigned short DriverScatterGatherLimit;
1398: unsigned short MaxTargetDevices;
1399: unsigned short MaxLogicalUnits;
1400: unsigned short MailboxCount;
1401: unsigned short InitialCCBs;
1402: unsigned short IncrementalCCBs;
1403: unsigned short AllocatedCCBs;
1404: unsigned short DriverQueueDepth;
1405: unsigned short HostAdapterQueueDepth;
1406: unsigned short UntaggedQueueDepth;
1407: unsigned short CommonQueueDepth;
1408: unsigned short BusSettleTime;
1409: unsigned short SynchronousPermitted;
1410: unsigned short FastPermitted;
1411: unsigned short UltraPermitted;
1412: unsigned short WidePermitted;
1413: unsigned short DisconnectPermitted;
1414: unsigned short TaggedQueuingPermitted;
1415: unsigned short ExternalHostAdapterResets;
1416: unsigned short HostAdapterInternalErrors;
1417: unsigned short TargetDeviceCount;
1418: unsigned short MessageBufferLength;
1419: BusLogic_BusAddress_T BIOS_Address;
1420: BusLogic_DriverOptions_T *DriverOptions;
1421: FlashPoint_Info_T FlashPointInfo;
1422: FlashPoint_CardHandle_T CardHandle;
1423: struct BusLogic_HostAdapter *Next;
1424: BusLogic_CCB_T *All_CCBs;
1425: BusLogic_CCB_T *Free_CCBs;
1426: BusLogic_CCB_T *FirstCompletedCCB;
1427: BusLogic_CCB_T *LastCompletedCCB;
1428: BusLogic_CCB_T *BusDeviceResetPendingCCB[BusLogic_MaxTargetDevices];
1429: BusLogic_ErrorRecoveryStrategy_T
1430: ErrorRecoveryStrategy[BusLogic_MaxTargetDevices];
1431: BusLogic_TargetFlags_T TargetFlags[BusLogic_MaxTargetDevices];
1432: unsigned char QueueDepth[BusLogic_MaxTargetDevices];
1433: unsigned char SynchronousPeriod[BusLogic_MaxTargetDevices];
1434: unsigned char SynchronousOffset[BusLogic_MaxTargetDevices];
1435: unsigned char ActiveCommands[BusLogic_MaxTargetDevices];
1436: unsigned int CommandsSinceReset[BusLogic_MaxTargetDevices];
1437: unsigned long LastSequencePoint[BusLogic_MaxTargetDevices];
1438: unsigned long LastResetAttempted[BusLogic_MaxTargetDevices];
1439: unsigned long LastResetCompleted[BusLogic_MaxTargetDevices];
1440: BusLogic_OutgoingMailbox_T *FirstOutgoingMailbox;
1441: BusLogic_OutgoingMailbox_T *LastOutgoingMailbox;
1442: BusLogic_OutgoingMailbox_T *NextOutgoingMailbox;
1443: BusLogic_IncomingMailbox_T *FirstIncomingMailbox;
1444: BusLogic_IncomingMailbox_T *LastIncomingMailbox;
1445: BusLogic_IncomingMailbox_T *NextIncomingMailbox;
1446: BusLogic_TargetStatistics_T TargetStatistics[BusLogic_MaxTargetDevices];
1447: unsigned char MailboxSpace[BusLogic_MaxMailboxes
1448: * (sizeof(BusLogic_OutgoingMailbox_T)
1449: + sizeof(BusLogic_IncomingMailbox_T))];
1450: char MessageBuffer[BusLogic_MessageBufferSize];
1451: }
1452: BusLogic_HostAdapter_T;
1453:
1454:
1455: /*
1456: Define a structure for the BIOS Disk Parameters.
1457: */
1458:
1459: typedef struct BIOS_DiskParameters
1460: {
1461: int Heads;
1462: int Sectors;
1463: int Cylinders;
1464: }
1465: BIOS_DiskParameters_T;
1466:
1467:
1468: /*
1469: Define a structure for the SCSI Inquiry command results.
1470: */
1471:
1472: typedef struct SCSI_Inquiry
1473: {
1474: unsigned char PeripheralDeviceType:5; /* Byte 0 Bits 0-4 */
1475: unsigned char PeripheralQualifier:3; /* Byte 0 Bits 5-7 */
1476: unsigned char DeviceTypeModifier:7; /* Byte 1 Bits 0-6 */
1477: boolean RMB:1; /* Byte 1 Bit 7 */
1478: unsigned char ANSI_ApprovedVersion:3; /* Byte 2 Bits 0-2 */
1479: unsigned char ECMA_Version:3; /* Byte 2 Bits 3-5 */
1480: unsigned char ISO_Version:2; /* Byte 2 Bits 6-7 */
1481: unsigned char ResponseDataFormat:4; /* Byte 3 Bits 0-3 */
1482: unsigned char :2; /* Byte 3 Bits 4-5 */
1483: boolean TrmIOP:1; /* Byte 3 Bit 6 */
1484: boolean AENC:1; /* Byte 3 Bit 7 */
1485: unsigned char AdditionalLength; /* Byte 4 */
1486: unsigned char :8; /* Byte 5 */
1487: unsigned char :8; /* Byte 6 */
1488: boolean SftRe:1; /* Byte 7 Bit 0 */
1489: boolean CmdQue:1; /* Byte 7 Bit 1 */
1490: boolean :1; /* Byte 7 Bit 2 */
1491: boolean Linked:1; /* Byte 7 Bit 3 */
1492: boolean Sync:1; /* Byte 7 Bit 4 */
1493: boolean WBus16:1; /* Byte 7 Bit 5 */
1494: boolean WBus32:1; /* Byte 7 Bit 6 */
1495: boolean RelAdr:1; /* Byte 7 Bit 7 */
1496: unsigned char VendorIdentification[8]; /* Bytes 8-15 */
1497: unsigned char ProductIdentification[16]; /* Bytes 16-31 */
1498: unsigned char ProductRevisionLevel[4]; /* Bytes 32-35 */
1499: }
1500: SCSI_Inquiry_T;
1501:
1502:
1503: /*
1504: BusLogic_AcquireHostAdapterLock acquires exclusive access to Host Adapter.
1505: */
1506:
1507: static inline
1508: void BusLogic_AcquireHostAdapterLock(BusLogic_HostAdapter_T *HostAdapter,
1509: ProcessorFlags_T *ProcessorFlags)
1510: {
1511: save_flags(*ProcessorFlags);
1512: cli();
1513: }
1514:
1515:
1516: /*
1517: BusLogic_ReleaseHostAdapterLock releases exclusive access to Host Adapter.
1518: */
1519:
1520: static inline
1521: void BusLogic_ReleaseHostAdapterLock(BusLogic_HostAdapter_T *HostAdapter,
1522: ProcessorFlags_T *ProcessorFlags)
1523: {
1524: restore_flags(*ProcessorFlags);
1525: }
1526:
1527:
1528: /*
1529: BusLogic_AcquireHostAdapterLockIH acquires exclusive access to Host Adapter,
1530: but is only called from the interrupt handler when interrupts are disabled.
1531: */
1532:
1533: static inline
1534: void BusLogic_AcquireHostAdapterLockIH(BusLogic_HostAdapter_T *HostAdapter,
1535: ProcessorFlags_T *ProcessorFlags)
1536: {
1537: }
1538:
1539:
1540: /*
1541: BusLogic_ReleaseHostAdapterLockIH releases exclusive access to Host Adapter,
1542: but is only called from the interrupt handler when interrupts are disabled.
1543: */
1544:
1545: static inline
1546: void BusLogic_ReleaseHostAdapterLockIH(BusLogic_HostAdapter_T *HostAdapter,
1547: ProcessorFlags_T *ProcessorFlags)
1548: {
1549: }
1550:
1551:
1552: /*
1553: Define functions to provide an abstraction for reading and writing the
1554: Host Adapter I/O Registers.
1555: */
1556:
1557: static inline
1558: void BusLogic_SCSIBusReset(BusLogic_HostAdapter_T *HostAdapter)
1559: {
1560: BusLogic_ControlRegister_T ControlRegister;
1561: ControlRegister.All = 0;
1562: ControlRegister.Bits.SCSIBusReset = true;
1563: outb(ControlRegister.All,
1564: HostAdapter->IO_Address + BusLogic_ControlRegisterOffset);
1565: }
1566:
1567: static inline
1568: void BusLogic_InterruptReset(BusLogic_HostAdapter_T *HostAdapter)
1569: {
1570: BusLogic_ControlRegister_T ControlRegister;
1571: ControlRegister.All = 0;
1572: ControlRegister.Bits.InterruptReset = true;
1573: outb(ControlRegister.All,
1574: HostAdapter->IO_Address + BusLogic_ControlRegisterOffset);
1575: }
1576:
1577: static inline
1578: void BusLogic_SoftReset(BusLogic_HostAdapter_T *HostAdapter)
1579: {
1580: BusLogic_ControlRegister_T ControlRegister;
1581: ControlRegister.All = 0;
1582: ControlRegister.Bits.SoftReset = true;
1583: outb(ControlRegister.All,
1584: HostAdapter->IO_Address + BusLogic_ControlRegisterOffset);
1585: }
1586:
1587: static inline
1588: void BusLogic_HardReset(BusLogic_HostAdapter_T *HostAdapter)
1589: {
1590: BusLogic_ControlRegister_T ControlRegister;
1591: ControlRegister.All = 0;
1592: ControlRegister.Bits.HardReset = true;
1593: outb(ControlRegister.All,
1594: HostAdapter->IO_Address + BusLogic_ControlRegisterOffset);
1595: }
1596:
1597: static inline
1598: unsigned char BusLogic_ReadStatusRegister(BusLogic_HostAdapter_T *HostAdapter)
1599: {
1600: return inb(HostAdapter->IO_Address + BusLogic_StatusRegisterOffset);
1601: }
1602:
1603: static inline
1604: void BusLogic_WriteCommandParameterRegister(BusLogic_HostAdapter_T
1605: *HostAdapter,
1606: unsigned char Value)
1607: {
1608: outb(Value,
1609: HostAdapter->IO_Address + BusLogic_CommandParameterRegisterOffset);
1610: }
1611:
1612: static inline
1613: unsigned char BusLogic_ReadDataInRegister(BusLogic_HostAdapter_T *HostAdapter)
1614: {
1615: return inb(HostAdapter->IO_Address + BusLogic_DataInRegisterOffset);
1616: }
1617:
1618: static inline
1619: unsigned char BusLogic_ReadInterruptRegister(BusLogic_HostAdapter_T
1620: *HostAdapter)
1621: {
1622: return inb(HostAdapter->IO_Address + BusLogic_InterruptRegisterOffset);
1623: }
1624:
1625: static inline
1626: unsigned char BusLogic_ReadGeometryRegister(BusLogic_HostAdapter_T
1627: *HostAdapter)
1628: {
1629: return inb(HostAdapter->IO_Address + BusLogic_GeometryRegisterOffset);
1630: }
1631:
1632:
1633: /*
1634: BusLogic_StartMailboxCommand issues an Execute Mailbox Command, which
1635: notifies the Host Adapter that an entry has been made in an Outgoing
1636: Mailbox.
1637: */
1638:
1639: static inline
1640: void BusLogic_StartMailboxCommand(BusLogic_HostAdapter_T *HostAdapter)
1641: {
1642: BusLogic_WriteCommandParameterRegister(HostAdapter,
1643: BusLogic_ExecuteMailboxCommand);
1644: }
1645:
1646:
1647: /*
1648: BusLogic_Delay waits for Seconds to elapse.
1649: */
1650:
1651: static inline void BusLogic_Delay(int Seconds)
1652: {
1653: int Milliseconds = 1000 * Seconds;
1654: unsigned long ProcessorFlags;
1655: save_flags(ProcessorFlags);
1656: sti();
1657: while (--Milliseconds >= 0) udelay(1000);
1658: restore_flags(ProcessorFlags);
1659: }
1660:
1661:
1662: /*
1663: Virtual_to_Bus and Bus_to_Virtual map between Kernel Virtual Addresses
1664: and PCI/VLB/EISA/ISA Bus Addresses.
1665: */
1666:
1667: static inline BusLogic_BusAddress_T Virtual_to_Bus(void *VirtualAddress)
1668: {
1669: return (BusLogic_BusAddress_T) virt_to_bus(VirtualAddress);
1670: }
1671:
1672: static inline void *Bus_to_Virtual(BusLogic_BusAddress_T BusAddress)
1673: {
1674: return (void *) bus_to_virt(BusAddress);
1675: }
1676:
1677:
1678: /*
1679: Virtual_to_32Bit_Virtual maps between Kernel Virtual Addresses and
1680: 32 bit Kernel Virtual Addresses. This avoids compilation warnings
1681: on 64 bit architectures.
1682: */
1683:
1684: static inline
1685: BusLogic_BusAddress_T Virtual_to_32Bit_Virtual(void *VirtualAddress)
1686: {
1687: return (BusLogic_BusAddress_T) (unsigned long) VirtualAddress;
1688: }
1689:
1690:
1691: /*
1692: BusLogic_IncrementErrorCounter increments Error Counter by 1, stopping at
1693: 65535 rather than wrapping around to 0.
1694: */
1695:
1696: static inline void BusLogic_IncrementErrorCounter(unsigned short *ErrorCounter)
1697: {
1698: if (*ErrorCounter < 65535) (*ErrorCounter)++;
1699: }
1700:
1701:
1702: /*
1703: BusLogic_IncrementByteCounter increments Byte Counter by Amount.
1704: */
1705:
1706: static inline void BusLogic_IncrementByteCounter(BusLogic_ByteCounter_T
1707: *ByteCounter,
1708: unsigned int Amount)
1709: {
1710: ByteCounter->Units += Amount;
1711: if (ByteCounter->Units > 999999999)
1712: {
1713: ByteCounter->Units -= 1000000000;
1714: ByteCounter->Billions++;
1715: }
1716: }
1717:
1718:
1719: /*
1720: BusLogic_IncrementSizeBucket increments the Bucket for Amount.
1721: */
1722:
1723: static inline void BusLogic_IncrementSizeBucket(BusLogic_CommandSizeBuckets_T
1724: CommandSizeBuckets,
1725: unsigned int Amount)
1726: {
1727: int Index = 0;
1728: if (Amount < 8*1024)
1729: {
1730: if (Amount < 2*1024)
1731: Index = (Amount < 1*1024 ? 0 : 1);
1732: else Index = (Amount < 4*1024 ? 2 : 3);
1733: }
1734: else if (Amount < 128*1024)
1735: {
1736: if (Amount < 32*1024)
1737: Index = (Amount < 16*1024 ? 4 : 5);
1738: else Index = (Amount < 64*1024 ? 6 : 7);
1739: }
1740: else Index = (Amount < 256*1024 ? 8 : 9);
1741: CommandSizeBuckets[Index]++;
1742: }
1743:
1744:
1745: /*
1746: Define the version number of the FlashPoint Firmware (SCCB Manager).
1747: */
1748:
1749: #define FlashPoint_FirmwareVersion "5.02"
1750:
1751:
1752: /*
1753: Define the possible return values from FlashPoint_HandleInterrupt.
1754: */
1755:
1756: #define FlashPoint_NormalInterrupt 0x00
1757: #define FlashPoint_InternalError 0xFE
1758: #define FlashPoint_ExternalBusReset 0xFF
1759:
1760:
1761: /*
1762: Define prototypes for the forward referenced BusLogic Driver
1763: Internal Functions.
1764: */
1765:
1766: static void BusLogic_QueueCompletedCCB(BusLogic_CCB_T *);
1767: static void BusLogic_InterruptHandler(int, void *, Registers_T *);
1768: static int BusLogic_ResetHostAdapter(BusLogic_HostAdapter_T *,
1769: SCSI_Command_T *, unsigned int);
1770: static void BusLogic_Message(BusLogic_MessageLevel_T, char *,
1771: BusLogic_HostAdapter_T *, ...);
1772: static void BusLogic_ParseDriverOptions(char *);
1773:
1774:
1775: #endif /* BusLogic_DriverVersion */
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