flashpoint.c

Linux内核源代码 为压缩文件 是<<Linux内核>>一书中的源代码

 *   $Date: 1996/10/24 23:09:33 $
 *
 *   $Revision: 1.14 $
 *
 *----------------------------------------------------------------------*/

#ifndef __SCCB_H__
#define __SCCB_H__

/*#include <osflags.h>*/
/*#include <globals.h>*/

#if defined(BUGBUG)
#define debug_size 32
#endif

#if defined(DOS)

   typedef struct _SCCB near *PSCCB;
	#if (FW_TYPE == _SCCB_MGR_)
   	typedef void (*CALL_BK_FN)(PSCCB);
	#endif

#elif defined(OS2)

   typedef struct _SCCB far *PSCCB;
	#if (FW_TYPE == _SCCB_MGR_)
   	typedef void (far *CALL_BK_FN)(PSCCB);
	#endif

#else

   typedef struct _SCCB *PSCCB;
	#if (FW_TYPE == _SCCB_MGR_)
   	typedef void (*CALL_BK_FN)(PSCCB);
	#endif

#endif


typedef struct SCCBMgr_info {
   ULONG    si_baseaddr;
   UCHAR    si_present;
   UCHAR    si_intvect;
   UCHAR    si_id;
   UCHAR    si_lun;
   USHORT   si_fw_revision;
   USHORT   si_per_targ_init_sync;
   USHORT   si_per_targ_fast_nego;
   USHORT   si_per_targ_ultra_nego;
   USHORT   si_per_targ_no_disc;
   USHORT   si_per_targ_wide_nego;
   USHORT   si_flags;
   UCHAR    si_card_family;
   UCHAR    si_bustype;
   UCHAR    si_card_model[3];
   UCHAR    si_relative_cardnum;
   UCHAR    si_reserved[4];
   ULONG    si_OS_reserved;
   UCHAR    si_XlatInfo[4];
   ULONG    si_reserved2[5];
   ULONG    si_secondary_range;
} SCCBMGR_INFO;

#if defined(DOS)
   typedef SCCBMGR_INFO *      PSCCBMGR_INFO;
#else
   #if defined (COMPILER_16_BIT)
   typedef SCCBMGR_INFO far *  PSCCBMGR_INFO;
   #else
   typedef SCCBMGR_INFO *      PSCCBMGR_INFO;
   #endif
#endif // defined(DOS)




#if (FW_TYPE==_SCCB_MGR_)
	#define SCSI_PARITY_ENA		  0x0001
	#define LOW_BYTE_TERM		  0x0010
	#define HIGH_BYTE_TERM		  0x0020
	#define BUSTYPE_PCI	  0x3
#endif

#define SUPPORT_16TAR_32LUN	  0x0002
#define SOFT_RESET		  0x0004
#define EXTENDED_TRANSLATION	  0x0008
#define POST_ALL_UNDERRRUNS	  0x0040
#define FLAG_SCAM_ENABLED	  0x0080
#define FLAG_SCAM_LEVEL2	  0x0100




#define HARPOON_FAMILY        0x02


#define ISA_BUS_CARD          0x01
#define EISA_BUS_CARD         0x02
#define PCI_BUS_CARD          0x03
#define VESA_BUS_CARD         0x04

/* SCCB struc used for both SCCB and UCB manager compiles! 
 * The UCB Manager treats the SCCB as it's 'native hardware structure' 
 */


#pragma pack(1)
typedef struct _SCCB {
   UCHAR OperationCode;
   UCHAR ControlByte;
   UCHAR CdbLength;
   UCHAR RequestSenseLength;
   ULONG DataLength;
   ULONG DataPointer;
   UCHAR CcbRes[2];
   UCHAR HostStatus;
   UCHAR TargetStatus;
   UCHAR TargID;
   UCHAR Lun;
   UCHAR Cdb[12];
   UCHAR CcbRes1;
   UCHAR Reserved1;
   ULONG Reserved2;
   ULONG SensePointer;


   CALL_BK_FN SccbCallback;                  /* VOID (*SccbCallback)(); */
   ULONG  SccbIOPort;                        /* Identifies board base port */
   UCHAR  SccbStatus;
   UCHAR  SCCBRes2;
   USHORT SccbOSFlags;


   ULONG   Sccb_XferCnt;            /* actual transfer count */
   ULONG   Sccb_ATC;
   ULONG   SccbVirtDataPtr;         /* virtual addr for OS/2 */
   ULONG   Sccb_res1;
   USHORT  Sccb_MGRFlags;
   USHORT  Sccb_sgseg;
   UCHAR   Sccb_scsimsg;            /* identify msg for selection */
   UCHAR   Sccb_tag;
   UCHAR   Sccb_scsistat;
   UCHAR   Sccb_idmsg;              /* image of last msg in */
   PSCCB   Sccb_forwardlink;
   PSCCB   Sccb_backlink;
   ULONG   Sccb_savedATC;
   UCHAR   Save_Cdb[6];
   UCHAR   Save_CdbLen;
   UCHAR   Sccb_XferState;
   ULONG   Sccb_SGoffset;
#if (FW_TYPE == _UCB_MGR_)
   PUCB    Sccb_ucb_ptr;
#endif
   } SCCB;

#define SCCB_SIZE sizeof(SCCB)

#pragma pack()



#define SCSI_INITIATOR_COMMAND    0x00
#define TARGET_MODE_COMMAND       0x01
#define SCATTER_GATHER_COMMAND    0x02
#define RESIDUAL_COMMAND          0x03
#define RESIDUAL_SG_COMMAND       0x04
#define RESET_COMMAND             0x81


#define F_USE_CMD_Q              0x20     /*Inidcates TAGGED command. */
#define TAG_TYPE_MASK            0xC0     /*Type of tag msg to send. */
#define TAG_Q_MASK               0xE0
#define SCCB_DATA_XFER_OUT       0x10     /* Write */
#define SCCB_DATA_XFER_IN        0x08     /* Read */


#define FOURTEEN_BYTES           0x00     /* Request Sense Buffer size */
#define NO_AUTO_REQUEST_SENSE    0x01     /* No Request Sense Buffer */


#define BUS_FREE_ST     0       
#define SELECT_ST       1
#define SELECT_BDR_ST   2     /* Select w\ Bus Device Reset */
#define SELECT_SN_ST    3     /* Select w\ Sync Nego */
#define SELECT_WN_ST    4     /* Select w\ Wide Data Nego */
#define SELECT_Q_ST     5     /* Select w\ Tagged Q'ing */
#define COMMAND_ST      6
#define DATA_OUT_ST     7
#define DATA_IN_ST      8
#define DISCONNECT_ST   9
#define STATUS_ST       10
#define ABORT_ST        11
#define MESSAGE_ST      12


#define F_HOST_XFER_DIR                0x01
#define F_ALL_XFERRED                  0x02
#define F_SG_XFER                      0x04
#define F_AUTO_SENSE                   0x08
#define F_ODD_BALL_CNT                 0x10
#define F_NO_DATA_YET                  0x80


#define F_STATUSLOADED                 0x01
#define F_MSGLOADED                    0x02
#define F_DEV_SELECTED                 0x04


#define SCCB_COMPLETE               0x00  /* SCCB completed without error */
#define SCCB_DATA_UNDER_RUN         0x0C
#define SCCB_SELECTION_TIMEOUT      0x11  /* Set SCSI selection timed out */
#define SCCB_DATA_OVER_RUN          0x12
#define SCCB_UNEXPECTED_BUS_FREE    0x13  /* Target dropped SCSI BSY */
#define SCCB_PHASE_SEQUENCE_FAIL    0x14  /* Target bus phase sequence failure */

#define SCCB_INVALID_OP_CODE        0x16  /* SCCB invalid operation code */
#define SCCB_INVALID_SCCB           0x1A  /* Invalid SCCB - bad parameter */
#define SCCB_GROSS_FW_ERR           0x27  /* Major problem! */
#define SCCB_BM_ERR                 0x30  /* BusMaster error. */
#define SCCB_PARITY_ERR             0x34  /* SCSI parity error */



#if (FW_TYPE==_UCB_MGR_)  
   #define  HBA_AUTO_SENSE_FAIL        0x1B  
   #define  HBA_TQ_REJECTED            0x1C  
   #define  HBA_UNSUPORTED_MSG         0x1D  
   #define  HBA_HW_ERROR               0x20  
   #define  HBA_ATN_NOT_RESPONDED      0x21  
   #define  HBA_SCSI_RESET_BY_ADAPTER  0x22
   #define  HBA_SCSI_RESET_BY_TARGET   0x23
   #define  HBA_WRONG_CONNECTION       0x24
   #define  HBA_BUS_DEVICE_RESET       0x25
   #define  HBA_ABORT_QUEUE            0x26

#else // these are not defined in BUDI/UCB

   #define SCCB_INVALID_DIRECTION      0x18  /* Invalid target direction */
   #define SCCB_DUPLICATE_SCCB         0x19  /* Duplicate SCCB */
   #define SCCB_SCSI_RST               0x35  /* SCSI RESET detected. */

#endif // (FW_TYPE==_UCB_MGR_)  


#define SCCB_IN_PROCESS            0x00
#define SCCB_SUCCESS               0x01
#define SCCB_ABORT                 0x02
#define SCCB_NOT_FOUND             0x03
#define SCCB_ERROR                 0x04
#define SCCB_INVALID               0x05

#define SCCB_SIZE sizeof(SCCB)




#if (FW_TYPE == _UCB_MGR_)
	void SccbMgr_start_sccb(CARD_HANDLE pCurrCard, PUCB p_ucb);
	s32bits SccbMgr_abort_sccb(CARD_HANDLE pCurrCard, PUCB p_ucb);
	u08bits SccbMgr_my_int(CARD_HANDLE pCurrCard);
	s32bits SccbMgr_isr(CARD_HANDLE pCurrCard);
	void SccbMgr_scsi_reset(CARD_HANDLE pCurrCard);
	void SccbMgr_timer_expired(CARD_HANDLE pCurrCard);
	void SccbMgr_unload_card(CARD_HANDLE pCurrCard);
	void SccbMgr_restore_foreign_state(CARD_HANDLE pCurrCard);
	void SccbMgr_restore_native_state(CARD_HANDLE pCurrCard);
	void SccbMgr_save_foreign_state(PADAPTER_INFO pAdapterInfo);

#endif


#if (FW_TYPE == _SCCB_MGR_)

 #if defined (DOS)
	int    SccbMgr_sense_adapter(PSCCBMGR_INFO pCardInfo);
	USHORT SccbMgr_config_adapter(PSCCBMGR_INFO pCardInfo);
	void  SccbMgr_start_sccb(USHORT pCurrCard, PSCCB p_SCCB);
	int   SccbMgr_abort_sccb(USHORT pCurrCard, PSCCB p_SCCB);
	UCHAR SccbMgr_my_int(USHORT pCurrCard);
	int   SccbMgr_isr(USHORT pCurrCard);
	void  SccbMgr_scsi_reset(USHORT pCurrCard);
	void  SccbMgr_timer_expired(USHORT pCurrCard);
	USHORT SccbMgr_status(USHORT pCurrCard);
	void SccbMgr_unload_card(USHORT pCurrCard);

 #else    //non-DOS

	int   SccbMgr_sense_adapter(PSCCBMGR_INFO pCardInfo);
	ULONG SccbMgr_config_adapter(PSCCBMGR_INFO pCardInfo);
	void  SccbMgr_start_sccb(ULONG pCurrCard, PSCCB p_SCCB);
	int   SccbMgr_abort_sccb(ULONG pCurrCard, PSCCB p_SCCB);
	UCHAR SccbMgr_my_int(ULONG pCurrCard);
	int   SccbMgr_isr(ULONG pCurrCard);
	void  SccbMgr_scsi_reset(ULONG pCurrCard);
	void  SccbMgr_enable_int(ULONG pCurrCard);
	void  SccbMgr_disable_int(ULONG pCurrCard);
	void  SccbMgr_timer_expired(ULONG pCurrCard);
	void SccbMgr_unload_card(ULONG pCurrCard);

  #endif
#endif  // (FW_TYPE == _SCCB_MGR_)

#endif  /* __SCCB_H__ */

/*----------------------------------------------------------------------
 *
 *
 *   Copyright 1995-1996 by Mylex Corporation.  All Rights Reserved
 *
 *   This file is available under both the GNU General Public License
 *   and a BSD-style copyright; see LICENSE.FlashPoint for details.
 *
 *   $Workfile:   blx30.h  $
 *
 *   Description: This module contains SCCB/UCB Manager implementation
 *                specific stuff.
 *
 *   $Date: 1996/11/13 18:34:22 $
 *
 *   $Revision: 1.10 $
 *
 *----------------------------------------------------------------------*/


#ifndef __blx30_H__
#define __blx30_H__

/*#include <globals.h>*/

#define  ORION_FW_REV      3110




#define HARP_REVD    1


#if defined(DOS)
#define QUEUE_DEPTH     8+1            /*1 for Normal disconnect 0 for Q'ing. */
#else
#define QUEUE_DEPTH     254+1            /*1 for Normal disconnect 32 for Q'ing. */
#endif   // defined(DOS)

#define	MAX_MB_CARDS	4					/* Max. no of cards suppoerted on Mother Board */

#define WIDE_SCSI       1

#if defined(WIDE_SCSI)
   #if defined(DOS)
      #define MAX_SCSI_TAR    16
      #define MAX_LUN         8
		#define LUN_MASK			0x07
   #else
      #define MAX_SCSI_TAR    16
      #define MAX_LUN         32
		#define LUN_MASK			0x1f
	
   #endif
#else
   #define MAX_SCSI_TAR    8
   #define MAX_LUN         8
	#define LUN_MASK			0x07
#endif 

#if defined(HARP_REVA)
#define SG_BUF_CNT      15             /*Number of prefetched elements. */
#else
#define SG_BUF_CNT      16             /*Number of prefetched elements. */
#endif

#define SG_ELEMENT_SIZE 8              /*Eight byte per element. */
#define SG_LOCAL_MASK   0x00000000L
#define SG_ELEMENT_MASK 0xFFFFFFFFL


#if (FW_TYPE == _UCB_MGR_)
	#define OPC_DECODE_NORMAL       0x0f7f
#endif   // _UCB_MGR_



#if defined(DOS)

/*#include <dos.h>*/
	#define RD_HARPOON(ioport)          (OS_InPortByte(ioport))
	#define RDW_HARPOON(ioport)         (OS_InPortWord(ioport))
	#define WR_HARPOON(ioport,val)      (OS_OutPortByte(ioport,val))
	#define WRW_HARPOON(ioport,val)     (OS_OutPortWord(ioport,val))

	#define RD_HARP32(port,offset,data)  asm{db 66h;         \
                                       push ax;             \
                                       mov dx,port;         \
                                       add dx, offset;      \
                                       db 66h;              \
                                       in ax,dx;            \
                                       db 66h;              \
                                       mov word ptr data,ax;\
                                       db 66h;              \
                                       pop ax}

	#define WR_HARP32(port,offset,data) asm{db 66h;          \
                                       push ax;             \
                                       mov dx,port;         \