1 /* 2 * Copyright (c) 1988 University of Utah. 3 * Copyright (c) 1990, 1993 4 * The Regents of the University of California. 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 * %sccs.include.redist.c% 11 * 12 * from: Utah $Hdr: hilvar.h 1.3 92/01/21$ 13 * 14 * @(#)hilvar.h 8.1 (Berkeley) 06/10/93 15 */ 16 17 #ifndef TRUE 18 #define TRUE 1 19 #define FALSE 0 20 #endif 21 22 #define NHILD 8 /* 7 actual + loop pseudo (dev 0) */ 23 #define NHILQ 8 /* must be <= sizeof(int) */ 24 25 #define HILBUFSIZE 40 /* size of interrupt poll buffer */ 26 #define HILMAXCLIST 1024 /* max chars in clists for HPUX io */ 27 28 #define HILLOOPDEV 0 /* loop device index */ 29 30 /* 31 * Minor device numbers. 32 * HP-UX uses 12 bits of the form: 33 * LLLLDDDD0000 34 * where L is 4 bits of loop number, D 4 bits of device and 4 bits of 0. 35 * BSD uses 8 bits: 36 * LLLLDDDD 37 * Device files are in BSD format, we map device numbers to HP-UX format 38 * on stat calls. 39 */ 40 #define HILUNIT(d) ((d) & 0xF) 41 #define HILLOOP(d) (((d)>>4) & 0xF) 42 43 #define hildevmask(d) (1 << (d)) 44 #define hilqmask(q) (1 << (q)) 45 46 struct hiliqueue { 47 HILQ *hq_eventqueue; /* input queue shared with user */ 48 struct proc *hq_procp; /* process this queue belongs to */ 49 char hq_devmask; /* devices mapped to this queue */ 50 }; 51 52 struct hilloopdev { 53 int hd_flags; /* device state */ 54 int hd_qmask; /* queues this device is mapped to */ 55 struct clist hd_queue; /* event queue for HPUX-style input */ 56 struct selinfo hd_selr; /* process read selecting */ 57 uid_t hd_uid; /* uid of mapping process */ 58 }; 59 60 /* hd_flags */ 61 #define HIL_ALIVE 0x01 /* device is present */ 62 #define HIL_PSEUDO 0x02 /* device is virtual */ 63 #define HIL_READIN 0x04 /* device using read() input interface */ 64 #define HIL_QUEUEIN 0x08 /* device using shared Q input interface */ 65 #define HIL_NOBLOCK 0x20 /* device is in non-blocking read mode */ 66 #define HIL_ASLEEP 0x40 /* process awaiting input on device */ 67 #define HIL_DERROR 0x80 /* loop has reconfigured, reality altered */ 68 69 struct hilloop { 70 struct hil_dev *hl_addr; /* base of hardware registers */ 71 u_char hl_cmddone; /* */ 72 u_char hl_cmdending; /* */ 73 u_char hl_actdev; /* current input device */ 74 u_char hl_cmddev; /* device to perform command on */ 75 u_char hl_pollbuf[HILBUFSIZE]; /* interrupt time input buffer */ 76 u_char hl_cmdbuf[HILBUFSIZE]; /* */ 77 u_char *hl_pollbp; /* pointer into hl_pollbuf */ 78 u_char *hl_cmdbp; /* pointer into hl_cmdbuf */ 79 struct hiliqueue hl_queue[NHILQ]; /* input queues */ 80 struct hilloopdev hl_device[NHILD]; /* device data */ 81 u_char hl_maxdev; /* number of devices on loop */ 82 u_char hl_kbddev; /* keyboard device on loop */ 83 u_char hl_kbdlang; /* keyboard language */ 84 u_char hl_kbdflags; /* keyboard state */ 85 }; 86 87 /* hl_kbdflags */ 88 #define KBD_RAW 0x01 /* keyboard is raw */ 89 #define KBD_AR1 0x02 /* keyboard auto-repeat rate 1 */ 90 #define KBD_AR2 0x04 /* keyboard auto-repeat rate 2 */ 91