1 /* 2 * Copyright (c) 1991, 1992 Paul Kranenburg <pk (at) cs.few.eur.nl> 3 * Copyright (c) 1993 Branko Lankester <branko (at) hacktic.nl> 4 * Copyright (c) 1993, 1994, 1995, 1996 Rick Sladkey <jrs (at) world.std.com> 5 * Copyright (c) 1996-2001 Wichert Akkerman <wichert (at) cistron.nl> 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. The name of the author may not be used to endorse or promote products 17 * derived from this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #include "defs.h" 32 #include <asm/ioctl.h> 33 34 static int 35 compare(const void *a, const void *b) 36 { 37 unsigned long code1 = (long) a; 38 unsigned long code2 = ((struct_ioctlent *) b)->code; 39 return (code1 > code2) ? 1 : (code1 < code2) ? -1 : 0; 40 } 41 42 const struct_ioctlent * 43 ioctl_lookup(long code) 44 { 45 struct_ioctlent *iop; 46 47 code &= (_IOC_NRMASK<<_IOC_NRSHIFT) | (_IOC_TYPEMASK<<_IOC_TYPESHIFT); 48 iop = bsearch((void*)code, ioctlent, 49 nioctlents, sizeof(ioctlent[0]), compare); 50 while (iop > ioctlent) { 51 iop--; 52 if (iop->code != code) { 53 iop++; 54 break; 55 } 56 } 57 return iop; 58 } 59 60 const struct_ioctlent * 61 ioctl_next_match(const struct_ioctlent *iop) 62 { 63 long code; 64 65 code = iop->code; 66 iop++; 67 if (iop < ioctlent + nioctlents && iop->code == code) 68 return iop; 69 return NULL; 70 } 71 72 int 73 ioctl_decode(struct tcb *tcp, long code, long arg) 74 { 75 switch ((code >> 8) & 0xff) { 76 #if defined(ALPHA) || defined(POWERPC) 77 case 'f': case 't': case 'T': 78 #else /* !ALPHA */ 79 case 0x54: 80 #endif /* !ALPHA */ 81 return term_ioctl(tcp, code, arg); 82 case 0x89: 83 return sock_ioctl(tcp, code, arg); 84 case 'p': 85 return rtc_ioctl(tcp, code, arg); 86 case 0x03: 87 case 0x12: 88 return block_ioctl(tcp, code, arg); 89 #ifdef HAVE_SCSI_SG_H 90 case 0x22: 91 return scsi_ioctl(tcp, code, arg); 92 #endif 93 case 'L': 94 return loop_ioctl(tcp, code, arg); 95 case 'M': 96 return mtd_ioctl(tcp, code, arg); 97 case 'o': 98 case 'O': 99 return ubi_ioctl(tcp, code, arg); 100 case '=': 101 return ptp_ioctl(tcp, code, arg); 102 default: 103 break; 104 } 105 return 0; 106 } 107 108 /* 109 * Registry of ioctl characters, culled from 110 * @(#)ioccom.h 1.7 89/06/16 SMI; from UCB ioctl.h 7.1 6/4/86 111 * 112 * char file where defined notes 113 * ---- ------------------ ----- 114 * F sun/fbio.h 115 * G sun/gpio.h 116 * H vaxif/if_hy.h 117 * M sundev/mcpcmd.h *overlap* 118 * M sys/modem.h *overlap* 119 * S sys/stropts.h 120 * T sys/termio.h -no overlap- 121 * T sys/termios.h -no overlap- 122 * V sundev/mdreg.h 123 * a vaxuba/adreg.h 124 * d sun/dkio.h -no overlap with sys/des.h- 125 * d sys/des.h (possible overlap) 126 * d vax/dkio.h (possible overlap) 127 * d vaxuba/rxreg.h (possible overlap) 128 * f sys/filio.h 129 * g sunwindow/win_ioctl.h -no overlap- 130 * g sunwindowdev/winioctl.c !no manifest constant! -no overlap- 131 * h sundev/hrc_common.h 132 * i sys/sockio.h *overlap* 133 * i vaxuba/ikreg.h *overlap* 134 * k sundev/kbio.h 135 * m sundev/msio.h (possible overlap) 136 * m sundev/msreg.h (possible overlap) 137 * m sys/mtio.h (possible overlap) 138 * n sun/ndio.h 139 * p net/nit_buf.h (possible overlap) 140 * p net/nit_if.h (possible overlap) 141 * p net/nit_pf.h (possible overlap) 142 * p sundev/fpareg.h (possible overlap) 143 * p sys/sockio.h (possible overlap) 144 * p vaxuba/psreg.h (possible overlap) 145 * q sun/sqz.h 146 * r sys/sockio.h 147 * s sys/sockio.h 148 * t sys/ttold.h (possible overlap) 149 * t sys/ttycom.h (possible overlap) 150 * v sundev/vuid_event.h *overlap* 151 * v sys/vcmd.h *overlap* 152 * 153 * End of Registry 154 */ 155