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Annotation of Net2/arch/i386/isa/isa_device.h, revision 1.1.1.2

1.1       root        1: /*-
                      2:  * Copyright (c) 1991 The Regents of the University of California.
                      3:  * All rights reserved.
                      4:  *
                      5:  * Redistribution and use in source and binary forms, with or without
                      6:  * modification, are permitted provided that the following conditions
                      7:  * are met:
                      8:  * 1. Redistributions of source code must retain the above copyright
                      9:  *    notice, this list of conditions and the following disclaimer.
                     10:  * 2. Redistributions in binary form must reproduce the above copyright
                     11:  *    notice, this list of conditions and the following disclaimer in the
                     12:  *    documentation and/or other materials provided with the distribution.
                     13:  * 3. All advertising materials mentioning features or use of this software
                     14:  *    must display the following acknowledgement:
                     15:  *     This product includes software developed by the University of
                     16:  *     California, Berkeley and its contributors.
                     17:  * 4. Neither the name of the University nor the names of its contributors
                     18:  *    may be used to endorse or promote products derived from this software
                     19:  *    without specific prior written permission.
                     20:  *
                     21:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS OR CONTRIBUTORS BE LIABLE
                     25:  * FOR 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:  *     @(#)isa_device.h        7.1 (Berkeley) 5/9/91
1.1.1.2 ! root       34:  *
        !            35:  * PATCHES MAGIC                LEVEL   PATCH THAT GOT US HERE
        !            36:  * --------------------         -----   ----------------------
        !            37:  * CURRENT PATCH LEVEL:         1       00091
        !            38:  * --------------------         -----   ----------------------
        !            39:  *
        !            40:  * 27 Feb 93    Chris Demetriou                Add proper flag handling.
        !            41:  * 10 Mar 93   Rodney W. Grimes        Fixed isa_device->id_irq to be
        !            42:  *                                     the u_short instead of short. This
        !            43:  *                                     enables us to use irq15!
        !            44:  *
1.1       root       45:  */
                     46: 
                     47: /*
                     48:  * ISA Bus Autoconfiguration
                     49:  */
                     50: 
                     51: /*
                     52:  * Per device structure.
                     53:  */
                     54: struct isa_device {
                     55:        struct  isa_driver *id_driver;
                     56:        short   id_iobase;      /* base i/o address */
1.1.1.2 ! root       57:        u_short id_irq;         /* interrupt request */
1.1       root       58:        short   id_drq;         /* DMA request */
                     59:        caddr_t id_maddr;       /* physical i/o memory address on bus (if any)*/
                     60:        int     id_msize;       /* size of i/o memory */
                     61:        int     (*id_intr)();   /* interrupt interface routine */
                     62:        int     id_unit;        /* unit number */
1.1.1.2 ! root       63:        int     id_flags;       /* flags */
        !            64:        int     id_physid;      /* eg. scsi id if needed */
1.1       root       65:        int     id_alive;       /* device is present */
                     66: };
                     67: 
                     68: /*
                     69:  * Per-driver structure.
                     70:  *
                     71:  * Each device driver defines entries for a set of routines
                     72:  * as well as an array of types which are acceptable to it.
                     73:  * These are used at boot time by the configuration program.
                     74:  */
                     75: struct isa_driver {
                     76:        int     (*probe)();             /* test whether device is present */
                     77:        int     (*attach)();            /* setup driver for a device */
                     78:        char    *name;                  /* device name */
                     79: };
                     80: 
                     81: extern struct isa_device isa_devtab_bio[], isa_devtab_tty[], isa_devtab_net[],
                     82:                isa_devtab_null[];

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