kernel/blk_drv/scsi/aha1542.h

/* */
   1 #ifndef _AHA1542_H
   2 
   3 /* $Id: aha1542.h,v 1.1 1992/07/24 06:27:38 root Exp root $
   4  *
   5  * Header file for the adaptec 1542 driver for Linux
   6  *
   7  * $Log: aha1542.h,v $
   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  *
  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 
  34 #include <linux/types.h>
  35 
  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 /* This is used with scatter-gather */
  84 struct chain {
  85   unchar datalen[3];            /* Size of this part of chain */
  86   unchar dataptr[3];            /* Location of data */
  87 };
  88 
  89 /* These belong in scsi.h also */
  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 
 109 struct ccb {                    /* Command Control Block 5.3 */
 110   unchar op;                    /* Command Control Block Operation Code */
 111   unchar idlun;                 /* op=0,2:Target Id, op=1:Initiator Id */
 112                                 /* Outbound data transfer, length is checked*/
 113                                 /* Inbound data transfer, length is checked */
 114                                 /* Logical Unit Number */
 115   unchar cdblen;                /* SCSI Command Length */
 116   unchar rsalen;                /* Request Sense Allocation Length/Disable */
 117   unchar datalen[3];            /* Data Length (msb, .., lsb) */
 118   unchar dataptr[3];            /* Data Pointer */
 119   unchar linkptr[3];            /* Link Pointer */
 120   unchar commlinkid;            /* Command Linking Identifier */
 121   unchar hastat;                /* Host Adapter Status (HASTAT) */
 122   unchar tarstat;               /* Target Device Status */
 123   unchar reserved[2];
 124   unchar cdb[MAX_CDB+MAX_SENSE];/* SCSI Command Descriptor Block */
 125                                 /* REQUEST SENSE */
 126 };
 127 
 128 int aha1542_detect(int);
 129 int aha1542_command(Scsi_Cmnd *);
 130 int aha1542_queuecommand(Scsi_Cmnd *, void (*done)(Scsi_Cmnd *));
 131 int aha1542_abort(Scsi_Cmnd *, int);
 132 const char *aha1542_info(void);
 133 int aha1542_reset(void);
 134 int aha1542_biosparam(int, int, int*);
 135 
 136 #define AHA1542_MAILBOXES 8
 137 #define AHA1542_SCATTER 16
 138 
 139 #ifndef NULL
 140         #define NULL 0
 141 #endif
 142 
 143 #define AHA1542 {"Adaptec 1542", aha1542_detect,        \
 144                 aha1542_info, aha1542_command,          \
 145                 aha1542_queuecommand,                   \
 146                 aha1542_abort,                          \
 147                 aha1542_reset,                          \
 148                 NULL,                                   \
 149                 aha1542_biosparam,                      \
 150                 AHA1542_MAILBOXES, 7, AHA1542_SCATTER, 1, 0, 1}
 151 
 152 #endif
/* */
root/kernel/blk_drv/scsi/aha1542.h

INCLUDED FROM
