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