Return to conf.h CVS log

Up to [GnuMach] / Gnu-Mach / device

Annotation of Gnu-Mach/device/conf.h, revision 1.1

1.1     ! root        1: /* 
        !             2:  * Mach Operating System
        !             3:  * Copyright (c) 1993,1991,1990,1989 Carnegie Mellon University
        !             4:  * All Rights Reserved.
        !             5:  * 
        !             6:  * Permission to use, copy, modify and distribute this software and its
        !             7:  * documentation is hereby granted, provided that both the copyright
        !             8:  * notice and this permission notice appear in all copies of the
        !             9:  * software, derivative works or modified versions, and any portions
        !            10:  * thereof, and that both notices appear in supporting documentation.
        !            11:  * 
        !            12:  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
        !            13:  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
        !            14:  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
        !            15:  * 
        !            16:  * Carnegie Mellon requests users of this software to return to
        !            17:  * 
        !            18:  *  Software Distribution Coordinator  or  [email protected]
        !            19:  *  School of Computer Science
        !            20:  *  Carnegie Mellon University
        !            21:  *  Pittsburgh PA 15213-3890
        !            22:  * 
        !            23:  * any improvements or extensions that they make and grant Carnegie Mellon
        !            24:  * the rights to redistribute these changes.
        !            25:  */
        !            26: /*
        !            27:  *     Author: David B. Golub, Carnegie Mellon University
        !            28:  *     Date:   8/88
        !            29:  */
        !            30: 
        !            31: #ifndef        _DEVICE_CONF_H_
        !            32: #define        _DEVICE_CONF_H_
        !            33: 
        !            34: #include <mach/machine/vm_types.h>
        !            35: 
        !            36: /*
        !            37:  * Operations list for major device types.
        !            38:  */
        !            39: struct dev_ops {
        !            40:        char *          d_name;         /* name for major device */
        !            41:        int             (*d_open)();    /* open device */
        !            42:        int             (*d_close)();   /* close device */
        !            43:        int             (*d_read)();    /* read */
        !            44:        int             (*d_write)();   /* write */
        !            45:        int             (*d_getstat)(); /* get status/control */
        !            46:        int             (*d_setstat)(); /* set status/control */
        !            47:        vm_offset_t     (*d_mmap)();    /* map memory */
        !            48:        int             (*d_async_in)();/* asynchronous input setup */
        !            49:        int             (*d_reset)();   /* reset device */
        !            50:        int             (*d_port_death)();
        !            51:                                        /* clean up reply ports */
        !            52:        int             d_subdev;       /* number of sub-devices per
        !            53:                                           unit */
        !            54:        int             (*d_dev_info)(); /* driver info for kernel */
        !            55: };
        !            56: typedef struct dev_ops *dev_ops_t;
        !            57: 
        !            58: /*
        !            59:  * Routines for null entries.
        !            60:  */
        !            61: extern int     nulldev();              /* no operation - OK */
        !            62: extern int     nodev();                /* no operation - error */
        !            63: extern vm_offset_t nomap();            /* no operation - error */
        !            64: 
        !            65: /*
        !            66:  * Flavor constants for d_dev_info routine
        !            67:  */
        !            68: #define D_INFO_BLOCK_SIZE      1
        !            69: 
        !            70: /*
        !            71:  * Head of list of attached devices
        !            72:  */
        !            73: extern struct dev_ops  dev_name_list[];
        !            74: extern int             dev_name_count;
        !            75: 
        !            76: /*
        !            77:  * Macro to search device list
        !            78:  */
        !            79: #define        dev_search(dp)  \
        !            80:        for (dp = dev_name_list; \
        !            81:             dp < &dev_name_list[dev_name_count]; \
        !            82:             dp++)
        !            83: 
        !            84: /*
        !            85:  * Indirection vectors for certain devices.
        !            86:  */
        !            87: struct dev_indirect {
        !            88:        char *          d_name;         /* name for device */
        !            89:        dev_ops_t       d_ops;          /* operations (major device) */
        !            90:        int             d_unit;         /* and unit number */
        !            91: };
        !            92: typedef struct dev_indirect    *dev_indirect_t;
        !            93: 
        !            94: /*
        !            95:  * List of indirect devices.
        !            96:  */
        !            97: extern struct dev_indirect     dev_indirect_list[];
        !            98: extern int                     dev_indirect_count;
        !            99: 
        !           100: /*
        !           101:  * Macro to search indirect list
        !           102:  */
        !           103: #define        dev_indirect_search(di) \
        !           104:        for (di = dev_indirect_list; \
        !           105:             di < &dev_indirect_list[dev_indirect_count]; \
        !           106:             di++)
        !           107: 
        !           108: /*
        !           109:  * Exported routine to set indirection.
        !           110:  */
        !           111: extern void    dev_set_indirect();
        !           112: 
        !           113: #endif /* _DEVICE_CONF_H_ */
        !           114: 

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.