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Annotation of sys/arch/alpha/mcbus/mcbusvar.h, Revision 1.1.1.1

1.1       nbrk        1: /* $OpenBSD: mcbusvar.h,v 1.1 2007/03/16 21:22:27 robert Exp $ */
                      2: /* $NetBSD: mcbusvar.h,v 1.6 2005/12/11 12:16:17 christos Exp $ */
                      3:
                      4: /*
                      5:  * Copyright (c) 1998 by Matthew Jacob
                      6:  * NASA AMES Research Center.
                      7:  * All rights reserved.
                      8:  *
                      9:  * Redistribution and use in source and binary forms, with or without
                     10:  * modification, are permitted provided that the following conditions
                     11:  * are met:
                     12:  * 1. Redistributions of source code must retain the above copyright
                     13:  *    notice immediately at the beginning of the file, without modification,
                     14:  *    this list of conditions, and the following disclaimer.
                     15:  * 2. Redistributions in binary form must reproduce the above copyright
                     16:  *    notice, this list of conditions and the following disclaimer in the
                     17:  *    documentation and/or other materials provided with the distribution.
                     18:  * 3. The name of the author may not be used to endorse or promote products
                     19:  *    derived from this software without specific prior written permission.
                     20:  *
                     21:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
                     22:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     23:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     24:  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
                     25:  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     26:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     27:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     28:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     29:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     30:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     31:  * SUCH DAMAGE.
                     32:  */
                     33:
                     34: /*
                     35:  * Soft definitions for the MCBUS main system
                     36:  * bus found on AlphaServer 4100 systems.
                     37:  */
                     38:
                     39: /*
                     40:  * The structure used to attach devices to the MCbus.
                     41:  */
                     42: struct mcbus_dev_attach_args {
                     43:        char *          ma_name;        /* so things aren't confused */
                     44:        u_int8_t        ma_gid;         /* GID of MCBUS (MCBUS #) */
                     45:        u_int8_t        ma_mid;         /* Module ID on MCBUS */
                     46:        u_int8_t        ma_type;        /* Module "type" */
                     47:        u_int8_t        ma_configured;  /* nonzero if configured */
                     48: };
                     49: #define        MCBUS_GID_FROM_INSTANCE(unit)   (7 - unit)
                     50:
                     51: /*
                     52:  * Bus-dependent structure for CPUs. This is dynamically allocated
                     53:  * for each CPU on the MCbus, and glued into the cpu_softc as sc_busdep,
                     54:  * if there is such a beast available. Otherwise, a single global version
                     55:  * is used so that the MCPCIA configuration code can determine toads
                     56:  * like module id and bcache size of the master CPU.
                     57:  */
                     58: struct mcbus_cpu_busdep {
                     59:        u_int8_t        mcbus_cpu_mid;  /* MCbus Module ID */
                     60:        u_int8_t        mcbus_bcache;   /* BCache on this CPU */
                     61:        u_int8_t        mcbus_valid;
                     62: };
                     63:
                     64: #define        MCBUS_CPU_BCACHE_0MB    0
                     65: #define        MCBUS_CPU_BCACHE_1MB    1
                     66: #define        MCBUS_CPU_BCACHE_4MB    2
                     67:
                     68: /*
                     69:  * "types"
                     70:  */
                     71: #define        MCBUS_TYPE_RES  0
                     72: #define        MCBUS_TYPE_UNK  1
                     73: #define        MCBUS_TYPE_MEM  2
                     74: #define        MCBUS_TYPE_CPU  3
                     75: #define        MCBUS_TYPE_PCI  4
                     76:
                     77: #ifdef _KERNEL
                     78: extern struct mcbus_cpu_busdep mcbus_primary;
                     79: extern const int mcbus_mcpcia_probe_order[];
                     80: #endif