FreeBSD/Linux Kernel Cross Reference
sys/sqt/clkarb.h

     /* 
      * Mach Operating System
      * Copyright (c) 1991 Carnegie Mellon University
      * Copyright (c) 1991 Sequent Computer Systems
      * 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 AND SEQUENT COMPUTER SYSTEMS ALLOW FREE USE OF
     * THIS SOFTWARE IN ITS "AS IS" CONDITION.  CARNEGIE MELLON AND
     * SEQUENT COMPUTER SYSTEMS DISCLAIM 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.
     */
    
    /*
     * HISTORY
     * $Log:        clkarb.h,v $
     * Revision 2.3  91/07/31  18:00:14  dbg
     *      Changed copyright.
     *      [91/07/31            dbg]
     * 
     * Revision 2.2  91/05/08  12:54:40  dbg
     *      Added, from Sequent SYMMETRY sources.
     *      [91/04/26  14:49:49  dbg]
     * 
     */
    
    /*
     * $Header: clkarb.h,v 2.3 91/07/31 18:00:14 dbg Exp $
     */
    
    /*
     * Clock / Arbiter board definitions
     */
    
    /*
     * Revision 1.1  89/07/19  14:48:53  kak
     * Initial revision
     * 
     */
    
    #ifndef _SQT_CLKARB_H_
    #define _SQT_CLKARB_H_
    
    #define CLKARB_SLIC     0
    #define CA_FOL          32              /* 1st slot optionally low priority */
    #define CA_LOL          41              /* last slot optionally low priority */
    
    #define FP_NLIGHTS      48
    #define FP_LIGHTOFF(i)  (wrAddr(CLKARB_SLIC, (fp_lightmap[(i)])))
    #define FP_LIGHTON(i)   (wrAddr(CLKARB_SLIC, (fp_lightmap[(i)] ^ 1)))
    
    #define FP_IO_INACTIVE  (wrAddr(CLKARB_SLIC, SL_C_IO_ACTIVE - 1))
    #define FP_IO_ACTIVE    (wrAddr(CLKARB_SLIC, SL_C_IO_ACTIVE))
    
    #define FP_IO_OFFLINE   (wrAddr(CLKARB_SLIC, SL_C_IO_ONLINE - 1))
    #define FP_IO_ONLINE    (wrAddr(CLKARB_SLIC, SL_C_IO_ONLINE))
    
    #define FP_IO_NOERROR   (wrAddr(CLKARB_SLIC, SL_C_IO_ERROR - 1))
    #define FP_IO_ERROR     (wrAddr(CLKARB_SLIC, SL_C_IO_ERROR))
    
    extern  short   fp_lights;
    extern  u_char  fp_lightmap[FP_NLIGHTS];
    
    #ifdef  i386
    /*
     * The data-mover on the B21k clock-arbiter board is not used by the SGS kernel
     * since the processor board cache is just as effective at using the bus.
     */
    #endif  i386
    
    #ifdef  ns32000
    /*
     * Structures and definitions for dealing with data-mover (032 systems only).
     */
    
    struct  cadm_table      {
            u_short         ct_count;       /* ~(8-byte count) */
            u_char          ct_pgszcmd;     /* page-size and command */
            u_char          ct_status;      /* status byte */
            long            ct_swrsvd;      /* reserved for SW use */
            struct  {
                    caddr_t ct_src;         /* source address */
                    caddr_t ct_dest;        /* destination address */
            }               ct_addr[1];     /* open-ended list of addresses */
   };
   
   #define CADM_ALIGN      0x1000          /* tables must be 4k aligned */
   #define CADM_TABLESZ    0x0800          /* each table is 2k */
   #define CADM_DATALIGN   0x7             /* xfr's, counts must be mult of 8 */
   #define CADM_COUNT(c)   ~((c) >> 3)     /* count == 1's comp 8-byte count */
   #define CADM_PGSZ       (CLBYTES/2048)  /* page size encoding */
   #define CADM_MOVE       0x00            /* "move" command */
   #define CADM_FILL       0x10            /* "fill" command */
   #define CADM_STATCLR    0x00            /* clear status before start move/fill*/
   #define CADM_STATOK     0xFF            /* good completion */
   #define CADM_STATERR    0xFE            /* access error during move/fill */
   
   #define CADM_GATE       63              /* gate for coordinating datamover */
   #endif  ns32000
   
   #endif  /* _SQT_CLKARB_H_ */
   

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