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Annotation of Net2/arch/hp300/dev/hilvar.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1988 University of Utah.
        !             3:  * Copyright (c) 1990 The Regents of the University of California.
        !             4:  * All rights reserved.
        !             5:  *
        !             6:  * This code is derived from software contributed to Berkeley by
        !             7:  * the Systems Programming Group of the University of Utah Computer
        !             8:  * Science Department.
        !             9:  *
        !            10:  * Redistribution and use in source and binary forms, with or without
        !            11:  * modification, are permitted provided that the following conditions
        !            12:  * are met:
        !            13:  * 1. Redistributions of source code must retain the above copyright
        !            14:  *    notice, 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. All advertising materials mentioning features or use of this software
        !            19:  *    must display the following acknowledgement:
        !            20:  *     This product includes software developed by the University of
        !            21:  *     California, Berkeley and its contributors.
        !            22:  * 4. Neither the name of the University nor the names of its contributors
        !            23:  *    may be used to endorse or promote products derived from this software
        !            24:  *    without specific prior written permission.
        !            25:  *
        !            26:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            27:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            28:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            29:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            30:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            31:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            32:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            33:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            34:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            35:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            36:  * SUCH DAMAGE.
        !            37:  *
        !            38:  * from: Utah $Hdr: hilvar.h 1.1 90/07/09$
        !            39:  *
        !            40:  *     @(#)hilvar.h    7.2 (Berkeley) 11/4/90
        !            41:  */
        !            42: 
        !            43: #ifndef TRUE
        !            44: #define TRUE   1
        !            45: #define FALSE  0
        !            46: #endif
        !            47: 
        !            48: #define NHILD          8               /* 7 actual + loop pseudo (dev 0) */
        !            49: #define NHILQ          8               /* must be <= sizeof(int) */
        !            50: 
        !            51: #define HILBUFSIZE     40              /* size of interrupt poll buffer */
        !            52: #define HILMAXCLIST    1024            /* max chars in clists for HPUX io */
        !            53: 
        !            54: #define HILLOOPDEV     0               /* loop device index */
        !            55: 
        !            56: /*
        !            57:  * XXX: HPUX minor numbers are of the form "D0" where D is the device number
        !            58:  * BSD uses "0D".  For compatibility we accept either.  Maybe we should just
        !            59:  * use the HPUX numbering.
        !            60:  */
        !            61: #define HILUNIT(d)     (((((d)>>4)&7)==0)?((d)&7):(((d)>>4)&7))
        !            62: 
        !            63: #define        hildevmask(d)   (1 << (d))
        !            64: #define        hilqmask(q)     (1 << (q))
        !            65: 
        !            66: struct hiliqueue {
        !            67:        HILQ    *hq_eventqueue;         /* input queue shared with user */
        !            68:        struct  proc *hq_procp;         /* process this queue belongs to */
        !            69:        char    hq_devmask;             /* devices mapped to this queue */
        !            70: };
        !            71: 
        !            72: struct hilloopdev {
        !            73:        int     hd_flags;               /* device state */
        !            74:        int     hd_qmask;               /* queues this device is mapped to */
        !            75:        struct  clist hd_queue;         /* event queue for HPUX-style input */
        !            76:        struct  proc *hd_selr;          /* process read selecting */
        !            77:        uid_t   hd_uid;                 /* uid of mapping process */
        !            78: };
        !            79: 
        !            80: /* hd_flags */
        !            81: #define        HIL_ALIVE       0x01    /* device is present */
        !            82: #define HIL_PSEUDO     0x02    /* device is virtual */
        !            83: #define HIL_READIN     0x04    /* device using read() input interface */
        !            84: #define HIL_QUEUEIN    0x08    /* device using shared Q input interface */
        !            85: #define HIL_SELCOLL    0x10    /* select collision on device */
        !            86: #define HIL_NOBLOCK    0x20    /* device is in non-blocking read mode */
        !            87: #define HIL_ASLEEP     0x40    /* process awaiting input on device */
        !            88: #define HIL_DERROR     0x80    /* loop has reconfigured, reality altered */
        !            89: 
        !            90: struct hilloop {
        !            91:        struct  hil_dev *hl_addr;       /* base of hardware registers */
        !            92:        u_char  hl_cmddone;             /* */
        !            93:        u_char  hl_cmdending;           /* */
        !            94:        u_char  hl_actdev;              /* current input device */
        !            95:        u_char  hl_cmddev;              /* device to perform command on */
        !            96:        u_char  hl_pollbuf[HILBUFSIZE]; /* interrupt time input buffer */
        !            97:        u_char  hl_cmdbuf[HILBUFSIZE];  /* */
        !            98:        u_char  *hl_pollbp;             /* pointer into hl_pollbuf */
        !            99:        u_char  *hl_cmdbp;              /* pointer into hl_cmdbuf */
        !           100:        struct  hiliqueue hl_queue[NHILQ];      /* input queues */
        !           101:        struct  hilloopdev hl_device[NHILD];    /* device data */
        !           102:        u_char  hl_maxdev;              /* number of devices on loop */
        !           103:        u_char  hl_kbddev;              /* keyboard device on loop */
        !           104:        u_char  hl_kbdlang;             /* keyboard language */
        !           105:        u_char  hl_kbdflags;            /* keyboard state */
        !           106: };
        !           107: 
        !           108: /* hl_kbdflags */
        !           109: #define KBD_RAW                0x01            /* keyboard is raw */
        !           110: #define KBD_AR1                0x02            /* keyboard auto-repeat rate 1 */
        !           111: #define KBD_AR2                0x04            /* keyboard auto-repeat rate 2 */

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