FreeBSD/Linux Kernel Cross Reference
sys/i386ipsc/scsi.h

     /* 
      * Mach Operating System
      * Copyright (c) 1991 Carnegie Mellon University
      * All Rights Reserved.
      * 
      * Permission to use, copy, modify and distribute this software and its
      * documentation is hereby granted, provided that both the copyright
      * notice and this permission notice appear in all copies of the
      * software, derivative works or modified versions, and any portions
     * thereof, and that both notices appear in supporting documentation.
     * 
     * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
     * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
     * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
     * 
     * Carnegie Mellon requests users of this software to return to
     * 
     *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
     *  School of Computer Science
     *  Carnegie Mellon University
     *  Pittsburgh PA 15213-3890
     * 
     * any improvements or extensions that they make and grant Carnegie Mellon
     * the rights to redistribute these changes.
     */
    /*
     * Copyright 1988, 1989, 1990, 1991 by Intel Corporation,
     * Santa Clara, California.
     * 
     *                          All Rights Reserved
     * 
     * Permission to use, copy, modify, and distribute this software and its
     * documentation for any purpose and without fee is hereby granted,
     * provided that the above copyright notice appears in all copies and that
     * both the copyright notice and this permission notice appear in
     * supporting documentation, and that the name of Intel not be used in
     * advertising or publicity pertaining to distribution of the software
     * without specific, written prior permission.
     * 
     * INTEL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING
     * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT
     * SHALL INTEL BE LIABLE FOR ANY SPECIAL, INDIRECT, OR CONSEQUENTIAL
     * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
     * PROFITS, WHETHER IN ACTION OF CONTRACT, NEGLIGENCE, OR OTHER TORTIOUS
     * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF
     * THIS SOFTWARE.
     */
    /*
     * HISTORY
     * $Log:        scsi.h,v $
     * Revision 2.3  91/06/18  20:50:30  jsb
     *      New copyright from Intel.
     *      [91/06/18  20:07:32  jsb]
     * 
     * Revision 2.2  90/12/04  14:47:38  jsb
     *      First checkin.
     *      [90/12/04  10:57:57  jsb]
     * 
     */ 
    /*
     * This module contains constants for the SCSI interface it is derived
     * from NX's scsi.h.
     */
    
    #define SCSIPHYS0       0xD0000000
    #define SCSIPHYS1       0xD4000000
    #define SCSIPHYS2       0xD8000000
    #define SCSIPHYS3       0xDC000000
    
    #define SCSIPHYS0_LEN   0x10000
    #define SCSIPHYS1_LEN   0x100
    #define SCSIPHYS2_LEN   0x100
    #define SCSIPHYS3_LEN   0x100
    
    #define SCSI_FIFO       scsiphys0
    #define SCSI_ESP_BASE   scsiphys1
    #define SCSI_AUX_BASE   scsiphys2
    #define SCSI_LOOP_BASE  scsiphys3
    
    #define SCSI_CLEAR_CNT  *(volatile long *)(SCSI_AUX_BASE + 0x00)
    #define SCSI_RESET_ESP  *(volatile long *)(SCSI_AUX_BASE + 0x40)
    #define SCSI_RESET_FIFO *(volatile long *)(SCSI_AUX_BASE + 0x80)
    
    #define SCSI_READ_MODE  *(volatile long *)(SCSI_AUX_BASE + 0x00)
    #define SCSI_WRITE_MODE *(volatile long *)(SCSI_AUX_BASE + 0x40)
    #define SCSI_ENABLE_HF  *(volatile long *)(SCSI_AUX_BASE + 0x80)
    #define SCSI_DISABLE_HF *(volatile long *)(SCSI_AUX_BASE + 0xC0)
    
    #define SCSI_COUNT_LO   (*(volatile unsigned char *)(SCSI_ESP_BASE + 0x0000))
    #define SCSI_COUNT_HI   (*(volatile unsigned char *)(SCSI_ESP_BASE + 0x0004))
    #define SCSI_ESP_FIFO   (*(volatile unsigned char *)(SCSI_ESP_BASE + 0x0008))
    #define SCSI_COMMAND    (*(volatile unsigned char *)(SCSI_ESP_BASE + 0x000C))
    #define SCSI_STATUS     (*(volatile unsigned short *)(SCSI_ESP_BASE + 0x0010))
    #define SCSI_ID         (*(volatile unsigned char *)(SCSI_ESP_BASE + 0x0010))
    #define SCSI_INT_STATUS (*(volatile unsigned char *)(SCSI_ESP_BASE + 0x0014))
    #define SCSI_TIMEOUT    (*(volatile unsigned char *)(SCSI_ESP_BASE + 0x0014))
    #define SCSI_SEQUENCE   (*(volatile unsigned char *)(SCSI_ESP_BASE + 0x0018))
    #define SCSI_SYNC_PER   (*(volatile unsigned char *)(SCSI_ESP_BASE + 0x0018))
    #define SCSI_FIFO_FLAGS (*(volatile unsigned char *)(SCSI_ESP_BASE + 0x001C))
   #define SCSI_SYNC_OFF   (*(volatile unsigned char *)(SCSI_ESP_BASE + 0x001C))
   #define SCSI_CONFIG     (*(volatile unsigned char *)(SCSI_ESP_BASE + 0x0020))
   #define SCSI_CLOCK      (*(volatile unsigned char *)(SCSI_ESP_BASE + 0x0024))
   
   #define ESP_NOP         0x00
   #define ESP_FLUSH_FIFO  0x01
   #define ESP_RESET_CHIP  0x02
   #define ESP_RESET_BUS   0x03
   #define ESP_SELECT      0x41
   #define ESP_SELATN      0x42
   #define ESP_SELATNSTOP  0x43
   #define ESP_ENABLE_SEL  0x44
   #define ESP_DISABLE_SEL 0x45
   #define ESP_TRANSFER    0x10
   #define ESP_COMPLETE    0x11
   #define ESP_MSGACCEPT   0x12
   #define ESP_PAD         0x18
   #define ESP_ATN         0x1A
   #define ESP_DMA         0x80
   
   #define ESP_SELECT_INT  0x01
   #define ESP_SELATN_INT  0x02
   #define ESP_RESEL_INT   0x04
   #define ESP_COMP_INT    0x08
   #define ESP_BUS_INT     0x10
   #define ESP_DISC_INT    0x20
   #define ESP_ILLCMD_INT  0x40
   #define ESP_RESET_INT   0x80
   
   #define ESP_PHASE_STAT  0x07
   #define ESP_XFER_STAT   0x08
   #define ESP_COUNT_STAT  0x10
   #define ESP_PARITY_STAT 0x20
   #define ESP_GROSS_STAT  0x40
   
   #define SCSI_WEF_STAT   0x0100
   #define SCSI_WHF_STAT   0x0200
   #define SCSI_WFF_STAT   0x0400
   #define SCSI_EINT_STAT  0x0800
   #define SCSI_MODE_STAT  0x1000
   #define SCSI_REF_STAT   0x2000
   #define SCSI_RHF_STAT   0x4000
   #define SCSI_RFF_STAT   0x8000
   
   #define ESP_DATAOUT_PH  0x00
   #define ESP_DATAIN_PH   0x01
   #define ESP_COMMAND_PH  0x02
   #define ESP_STATUS_PH   0x03
   #define ESP_MSGOUT_PH   0x06
   #define ESP_MSGIN_PH    0x07
   
   #define ESP_CLK_NS      (1000/24)
   
   #define CMD_ST_GOOD     0x00
   #define CMD_ST_CHECK    0x02
   #define CMD_ST_BUSY     0x08
   #define CMD_ST_INTER    0x10
   #define CMD_ST_RUNNING  0x60
   #define CMD_ST_TIMEOUT  0x62
   
   #define MSG_CMD_DONE    0x00
   #define MSG_SAVE_DP     0x02
   #define MSG_REST_DP     0x03
   #define MSG_DISCONNECT  0x04
   #define MSG_INITIAT_ERR 0x05
   #define MSG_ABORT       0x06
   #define MSG_REJECT      0x07
   #define MSG_NOP         0x08
   #define MSG_PARITY      0x09
   #define MSG_LINK_DONE   0x0A
   #define MSG_LINK_FLAG   0x0B
   #define MSG_RESET       0x0C
   #define MSG_IDENTIFY    0xC0
   
   #define SCSI_INQUIRY_CMD        0x12
   typedef
   struct scsi_inquiry {
           unsigned long  dev_type        :8;
           unsigned long  qualifier       :7;
           unsigned long  rmb             :1;
           unsigned long  version         :8;
           unsigned long  format          :4;
           unsigned long  not_used        :4;
           unsigned char  added;
           unsigned char  reserved[3];
           unsigned char  extra[28];
   } SCSI_INQUIRY;
   
   #define SCSI_SENSE_CMD          0x03
   typedef
   struct scsi_sense {
           unsigned char  class;
           unsigned char  segment;
           unsigned char  key;
           unsigned char  info[4];
           unsigned char  added;
           unsigned char  reserved[4];
           unsigned char  code;
           unsigned char  fill1;
           unsigned char  fru;
           unsigned char  bit;
           unsigned short  field;
   } SCSI_SENSE;
   
   #define SCSI_CAPACITY_CMD       0x25
   typedef
   struct scsi_capacity {
           unsigned long   lba;
           unsigned long   blen;
   } SCSI_CAPACITY;
   
   #define SCSI_READ_CMD           0x28
   #define SCSI_WRITE_CMD          0x2A

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