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Annotation of Gnu-Mach/linux/src/drivers/scsi/aha1740.h, revision 1.1

1.1     ! root        1: #ifndef _AHA1740_H
        !             2: 
        !             3: /* $Id: aha1740.h,v 1.1 1999/04/26 05:54:13 tb Exp $
        !             4:  *
        !             5:  * Header file for the adaptec 1740 driver for Linux
        !             6:  *
        !             7:  * With minor revisions 3/31/93
        !             8:  * Written and (C) 1992,1993 Brad McLean.  See aha1740.c
        !             9:  * for more info
        !            10:  *
        !            11:  */
        !            12: 
        !            13: #include <linux/types.h>
        !            14: #include <linux/kdev_t.h>
        !            15: 
        !            16: /* Eisa Enhanced mode operation - slot locating and addressing */
        !            17: #define MINEISA 1   /* I don't have an EISA Spec to know these ranges, so I */
        !            18: #define MAXEISA 8   /* Just took my machine's specifications.  Adjust to fit.*/
        !            19:                    /* I just saw an ad, and bumped this from 6 to 8 */
        !            20: #define        SLOTBASE(x)     ((x << 12) + 0xc80)
        !            21: #define SLOTSIZE       0x5c
        !            22: 
        !            23: /* EISA configuration registers & values */
        !            24: #define        HID0(base)      (base + 0x0)
        !            25: #define        HID1(base)      (base + 0x1)
        !            26: #define HID2(base)     (base + 0x2)
        !            27: #define        HID3(base)      (base + 0x3)
        !            28: #define        EBCNTRL(base)   (base + 0x4)
        !            29: #define        PORTADR(base)   (base + 0x40)
        !            30: #define BIOSADR(base)  (base + 0x41)
        !            31: #define INTDEF(base)   (base + 0x42)
        !            32: #define SCSIDEF(base)  (base + 0x43)
        !            33: #define BUSDEF(base)   (base + 0x44)
        !            34: #define        RESV0(base)     (base + 0x45)
        !            35: #define RESV1(base)    (base + 0x46)
        !            36: #define        RESV2(base)     (base + 0x47)
        !            37: 
        !            38: #define        HID_MFG "ADP"
        !            39: #define        HID_PRD 0
        !            40: #define HID_REV 2
        !            41: #define EBCNTRL_VALUE 1
        !            42: #define PORTADDR_ENH 0x80
        !            43: /* READ */
        !            44: #define        G2INTST(base)   (base + 0x56)
        !            45: #define G2STAT(base)   (base + 0x57)
        !            46: #define        MBOXIN0(base)   (base + 0x58)
        !            47: #define        MBOXIN1(base)   (base + 0x59)
        !            48: #define        MBOXIN2(base)   (base + 0x5a)
        !            49: #define        MBOXIN3(base)   (base + 0x5b)
        !            50: #define G2STAT2(base)  (base + 0x5c)
        !            51: 
        !            52: #define G2INTST_MASK           0xf0    /* isolate the status */
        !            53: #define        G2INTST_CCBGOOD         0x10    /* CCB Completed */
        !            54: #define        G2INTST_CCBRETRY        0x50    /* CCB Completed with a retry */
        !            55: #define        G2INTST_HARDFAIL        0x70    /* Adapter Hardware Failure */
        !            56: #define        G2INTST_CMDGOOD         0xa0    /* Immediate command success */
        !            57: #define G2INTST_CCBERROR       0xc0    /* CCB Completed with error */
        !            58: #define        G2INTST_ASNEVENT        0xd0    /* Asynchronous Event Notification */
        !            59: #define        G2INTST_CMDERROR        0xe0    /* Immediate command error */
        !            60: 
        !            61: #define G2STAT_MBXOUT  4       /* Mailbox Out Empty Bit */
        !            62: #define        G2STAT_INTPEND  2       /* Interrupt Pending Bit */
        !            63: #define        G2STAT_BUSY     1       /* Busy Bit (attention pending) */
        !            64: 
        !            65: #define G2STAT2_READY  0       /* Host Ready Bit */
        !            66: 
        !            67: /* WRITE (and ReadBack) */
        !            68: #define        MBOXOUT0(base)  (base + 0x50)
        !            69: #define        MBOXOUT1(base)  (base + 0x51)
        !            70: #define        MBOXOUT2(base)  (base + 0x52)
        !            71: #define        MBOXOUT3(base)  (base + 0x53)
        !            72: #define        ATTN(base)      (base + 0x54)
        !            73: #define G2CNTRL(base)  (base + 0x55)
        !            74: 
        !            75: #define        ATTN_IMMED      0x10    /* Immediate Command */
        !            76: #define        ATTN_START      0x40    /* Start CCB */
        !            77: #define        ATTN_ABORT      0x50    /* Abort CCB */
        !            78: 
        !            79: #define G2CNTRL_HRST   0x80            /* Hard Reset */
        !            80: #define G2CNTRL_IRST   0x40            /* Clear EISA Interrupt */
        !            81: #define G2CNTRL_HRDY   0x20            /* Sets HOST ready */
        !            82: 
        !            83: /* This is used with scatter-gather */
        !            84: struct aha1740_chain {
        !            85:   u32  dataptr;                /* Location of data */
        !            86:   u32  datalen;                /* Size of this part of chain */
        !            87: };
        !            88: 
        !            89: /* These belong in scsi.h */
        !            90: #define any2scsi(up, p)                                \
        !            91: (up)[0] = (((unsigned long)(p)) >> 16)  ;      \
        !            92: (up)[1] = (((unsigned long)(p)) >> 8);         \
        !            93: (up)[2] = ((unsigned long)(p));
        !            94: 
        !            95: #define scsi2int(up) ( (((long)*(up)) << 16) + (((long)(up)[1]) << 8) + ((long)(up)[2]) )
        !            96: 
        !            97: #define xany2scsi(up, p)       \
        !            98: (up)[0] = ((long)(p)) >> 24;   \
        !            99: (up)[1] = ((long)(p)) >> 16;   \
        !           100: (up)[2] = ((long)(p)) >> 8;    \
        !           101: (up)[3] = ((long)(p));
        !           102: 
        !           103: #define xscsi2int(up) ( (((long)(up)[0]) << 24) + (((long)(up)[1]) << 16) \
        !           104:                      + (((long)(up)[2]) <<  8) +  ((long)(up)[3]) )
        !           105: 
        !           106: #define MAX_CDB 12
        !           107: #define MAX_SENSE 14
        !           108: #define MAX_STATUS 32
        !           109: 
        !           110: struct ecb {                   /* Enhanced Control Block 6.1 */
        !           111:   u16  cmdw;                   /* Command Word */
        !           112:   /* Flag Word 1 */
        !           113:   u16          cne:1,          /* Control Block Chaining */
        !           114:        :6,     di:1,           /* Disable Interrupt */
        !           115:        :2,     ses:1,          /* Suppress Underrun error */
        !           116:        :1,     sg:1,           /* Scatter/Gather */
        !           117:        :1,     dsb:1,          /* Disable Status Block */
        !           118:                ars:1;          /* Automatic Request Sense */
        !           119:   /* Flag Word 2 */
        !           120:   u16          lun:3,          /* Logical Unit */
        !           121:                tag:1,          /* Tagged Queuing */
        !           122:                tt:2,           /* Tag Type */
        !           123:                nd:1,           /* No Disconnect */
        !           124:        :1,     dat:1,          /* Data transfer - check direction */
        !           125:                dir:1,          /* Direction of transfer 1 = datain */
        !           126:                st:1,           /* Suppress Transfer */
        !           127:                chk:1,          /* Calculate Checksum */
        !           128:        :2,     rec:1,  :1;     /* Error Recovery */
        !           129:   u16  nil0;                   /* nothing */
        !           130:   u32  dataptr;                /* Data or Scatter List ptr */
        !           131:   u32  datalen;                /* Data or Scatter List len */
        !           132:   u32  statusptr;              /* Status Block ptr */
        !           133:   u32  linkptr;                /* Chain Address */
        !           134:   u32  nil1;                   /* nothing */
        !           135:   u32  senseptr;               /* Sense Info Pointer */
        !           136:   u8   senselen;               /* Sense Length */
        !           137:   u8   cdblen;                 /* CDB Length */
        !           138:   u16  datacheck;              /* Data checksum */
        !           139:   u8   cdb[MAX_CDB];           /* CDB area */
        !           140: /* Hardware defined portion ends here, rest is driver defined */
        !           141:   u8   sense[MAX_SENSE];       /* Sense area */ 
        !           142:   u8   status[MAX_STATUS];     /* Status area */
        !           143:   Scsi_Cmnd *SCpnt;            /* Link to the SCSI Command Block */
        !           144:   void (*done)(Scsi_Cmnd *);   /* Completion Function */
        !           145: };
        !           146: 
        !           147: #define        AHA1740CMD_NOP   0x00   /* No OP */
        !           148: #define AHA1740CMD_INIT         0x01   /* Initiator SCSI Command */
        !           149: #define AHA1740CMD_DIAG         0x05   /* Run Diagnostic Command */
        !           150: #define AHA1740CMD_SCSI         0x06   /* Initialize SCSI */
        !           151: #define AHA1740CMD_SENSE 0x08  /* Read Sense Information */
        !           152: #define AHA1740CMD_DOWN  0x09  /* Download Firmware (yeah, I bet!) */
        !           153: #define AHA1740CMD_RINQ  0x0a  /* Read Host Adapter Inquiry Data */
        !           154: #define AHA1740CMD_TARG  0x10  /* Target SCSI Command */
        !           155: 
        !           156: int aha1740_detect(Scsi_Host_Template *);
        !           157: int aha1740_command(Scsi_Cmnd *);
        !           158: int aha1740_queuecommand(Scsi_Cmnd *, void (*done)(Scsi_Cmnd *));
        !           159: int aha1740_abort(Scsi_Cmnd *);
        !           160: int aha1740_reset(Scsi_Cmnd *, unsigned int);
        !           161: int aha1740_biosparam(Disk *, kdev_t, int*);
        !           162: int aha1740_proc_info(char *buffer, char **start, off_t offset,
        !           163:                                int length, int hostno, int inout);
        !           164: 
        !           165: #define AHA1740_ECBS 32
        !           166: #define AHA1740_SCATTER 16
        !           167: #define AHA1740_CMDLUN 1
        !           168: 
        !           169: #ifndef NULL
        !           170:        #define NULL 0
        !           171: #endif
        !           172: 
        !           173: extern struct proc_dir_entry proc_scsi_aha1740;
        !           174: 
        !           175: #define AHA1740 {NULL, NULL,                           \
        !           176:                    &proc_scsi_aha1740,                 \
        !           177:                   aha1740_proc_info,                   \
        !           178:                   "Adaptec 174x (EISA)",               \
        !           179:                   aha1740_detect,                      \
        !           180:                   NULL,                                \
        !           181:                   NULL,                                \
        !           182:                   aha1740_command,                     \
        !           183:                   aha1740_queuecommand,                \
        !           184:                   aha1740_abort,                       \
        !           185:                   aha1740_reset,                       \
        !           186:                   NULL,                                \
        !           187:                   aha1740_biosparam,                   \
        !           188:                   AHA1740_ECBS,                        \
        !           189:                   7,                                   \
        !           190:                   AHA1740_SCATTER,                     \
        !           191:                   AHA1740_CMDLUN,                      \
        !           192:                   0,                                   \
        !           193:                   0,                                   \
        !           194:                   ENABLE_CLUSTERING}
        !           195: 
        !           196: #endif

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