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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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