Annotation of linux/kernel/blk_drv/scsi/aha1542.h, revision 1.1.1.3

1.1       root        1: #ifndef _AHA1542_H
                      2: 
1.1.1.3 ! root        3: /* $Id: aha1542.h,v 1.1 1992/07/24 06:27:38 root Exp root $
1.1       root        4:  *
                      5:  * Header file for the adaptec 1542 driver for Linux
                      6:  *
                      7:  * $Log: aha1542.h,v $
1.1.1.3 ! root        8:  * Revision 1.1  1992/07/24  06:27:38  root
        !             9:  * Initial revision
        !            10:  *
        !            11:  * Revision 1.2  1992/07/04  18:41:49  root
        !            12:  * Replaced distribution with current drivers
        !            13:  *
        !            14:  * Revision 1.3  1992/06/23  23:58:20  root
        !            15:  * Fixes.
        !            16:  *
        !            17:  * Revision 1.2  1992/05/26  22:13:23  root
        !            18:  * Changed bug that prevented DMA above first 2 mbytes.
        !            19:  *
        !            20:  * Revision 1.1  1992/05/22  21:00:29  root
        !            21:  * Initial revision
        !            22:  *
1.1       root       23:  * Revision 1.1  1992/04/24  18:01:50  root
                     24:  * Initial revision
                     25:  *
                     26:  * Revision 1.1  1992/04/02  03:23:13  drew
                     27:  * Initial revision
                     28:  *
                     29:  * Revision 1.3  1992/01/27  14:46:29  tthorn
                     30:  * *** empty log message ***
                     31:  *
                     32:  */
                     33: 
1.1.1.3 ! root       34: #include <linux/types.h>
        !            35: 
1.1       root       36: /* I/O Port interface 4.2 */
                     37: /* READ */
                     38: #define STATUS base
                     39: #define STST   0x80            /* Self Test in Progress */
                     40: #define DIAGF  0x40            /* Internal Diagonostic Failure */
                     41: #define INIT   0x20            /* Mailbox Initialization Required */
                     42: #define IDLE   0x10            /* SCSI Host Adapter Idle */
                     43: #define CDF    0x08            /* Command/Data Out Port Full */
                     44: #define DF     0x04            /* Data In Port Full */
                     45: #define INVDCMD        0x01            /* Invalid H A Command */
                     46: #define STATMASK 0xfd          /* 0x02 is reserved */
                     47: 
                     48: #define INTRFLAGS STATUS+2
                     49: #define ANYINTR        0x80            /* Any Interrupt */
                     50: #define SCRD   0x08            /* SCSI Reset Detected */
                     51: #define HACC   0x04            /* HA Command Complete */
                     52: #define MBOA   0x02            /* MBO Empty */
                     53: #define MBIF   0x01            /* MBI Full */
                     54: #define INTRMASK 0x8f
                     55: 
                     56: /* WRITE */
                     57: #define CONTROL STATUS
                     58: #define HRST   0x80            /* Hard Reset */
                     59: #define SRST   0x40            /* Soft Reset */
                     60: #define IRST   0x20            /* Interrupt Reset */
                     61: #define SCRST  0x10            /* SCSI Bus Reset */
                     62: 
                     63: /* READ/WRITE */
                     64: #define DATA STATUS+1
                     65: #define CMD_NOP                0x00    /* No Operation */
                     66: #define CMD_MBINIT     0x01    /* Mailbox Initialization */
                     67: #define CMD_START_SCSI 0x02    /* Start SCSI Command */
                     68: #define CMD_INQUIRY    0x04    /* Adapter Inquiry */
                     69: #define CMD_EMBOI      0x05    /* Enable MailBox Out Interrupt */
                     70: #define CMD_BUSON_TIME 0x07    /* Set Bus-On Time */
                     71: #define CMD_BUSOFF_TIME        0x08    /* Set Bus-Off Time */
                     72: #define CMD_RETDEVS    0x0a    /* Return Installed Devices */
                     73: #define CMD_RETCONF    0x0b    /* Return Configuration Data */
                     74: #define CMD_RETSETUP   0x0d    /* Return Setup Data */
                     75: #define CMD_ECHO       0x1f    /* ECHO Command Data */
                     76: 
                     77: /* Mailbox Definition 5.2.1 and 5.2.2 */
                     78: struct mailbox {
                     79:   unchar status;               /* Command/Status */
                     80:   unchar ccbptr[3];            /* msb, .., lsb */
                     81: };
                     82: 
                     83: /* These belong in scsi.h also */
1.1.1.3 ! root       84: #define any2scsi(up, p)                                \
        !            85: (up)[0] = (((unsigned long)(p)) >> 16)  ;      \
        !            86: (up)[1] = (((unsigned long)(p)) >> 8);         \
        !            87: (up)[2] = ((unsigned long)(p));
1.1       root       88: 
                     89: #define scsi2int(up) ( (((long)*(up)) << 16) + (((long)(up)[1]) << 8) + ((long)(up)[2]) )
                     90: 
                     91: #define xany2scsi(up, p)       \
                     92: (up)[0] = ((long)(p)) >> 24;   \
                     93: (up)[1] = ((long)(p)) >> 16;   \
                     94: (up)[2] = ((long)(p)) >> 8;    \
                     95: (up)[3] = ((long)(p));
                     96: 
                     97: #define xscsi2int(up) ( (((long)(up)[0]) << 24) + (((long)(up)[1]) << 16) \
                     98:                      + (((long)(up)[2]) <<  8) +  ((long)(up)[3]) )
                     99: 
                    100: #define MAX_CDB 12
                    101: #define MAX_SENSE 14
                    102: 
                    103: struct ccb {                   /* Command Control Block 5.3 */
                    104:   unchar op;                   /* Command Control Block Operation Code */
                    105:   unchar idlun;                        /* op=0,2:Target Id, op=1:Initiator Id */
                    106:                                /* Outbound data transfer, length is checked*/
                    107:                                /* Inbound data transfer, length is checked */
                    108:                                /* Logical Unit Number */
                    109:   unchar cdblen;               /* SCSI Command Length */
                    110:   unchar rsalen;               /* Request Sense Allocation Length/Disable */
                    111:   unchar datalen[3];           /* Data Length (msb, .., lsb) */
                    112:   unchar dataptr[3];           /* Data Pointer */
                    113:   unchar linkptr[3];           /* Link Pointer */
                    114:   unchar commlinkid;           /* Command Linking Identifier */
                    115:   unchar hastat;               /* Host Adapter Status (HASTAT) */
                    116:   unchar tarstat;              /* Target Device Status */
                    117:   unchar reserved[2];
                    118:   unchar cdb[MAX_CDB+MAX_SENSE];/* SCSI Command Descriptor Block */
                    119:                                /* REQUEST SENSE */
                    120: };
                    121: 
                    122: int aha1542_detect(int);
                    123: int aha1542_command(unsigned char target, const void *cmnd, void *buff, int bufflen);
1.1.1.3 ! root      124: int aha1542_queuecommand(unchar target, const void *cmnd, void *buff, int bufflen, void (*done)(int, int));
1.1       root      125: int aha1542_abort(int);
                    126: char *aha1542_info(void);
                    127: int aha1542_reset(void);
                    128: 
                    129: #ifndef NULL
                    130:        #define NULL 0
                    131: #endif
                    132: 
                    133: #define AHA1542 {"Adaptec 1542", aha1542_detect,       \
                    134:                aha1542_info, aha1542_command,          \
1.1.1.3 ! root      135:                aha1542_queuecommand,                   \
1.1       root      136:                aha1542_abort,                          \
                    137:                aha1542_reset,                          \
1.1.1.3 ! root      138:                1, 7, 0}
1.1       root      139: #endif

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