1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 28 /* All Rights Reserved */ 29 30 31 #ifndef _SYS_DDI_H 32 #define _SYS_DDI_H 33 34 #pragma ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.19 */ 35 36 #include <sys/types.h> 37 #include <sys/map.h> 38 #include <sys/buf.h> 39 #include <sys/uio.h> 40 #include <sys/stream.h> 41 42 #ifdef __cplusplus 43 extern "C" { 44 #endif 45 46 /* 47 * ddi.h -- the flag and function definitions needed by DDI-conforming 48 * drivers. This header file contains #undefs to undefine macros that 49 * drivers would otherwise pick up in order that function definitions 50 * may be used. Programmers should place the include of "sys/ddi.h" 51 * after any header files that define the macros #undef'ed or the code 52 * may compile incorrectly. 53 */ 54 55 /* 56 * define min() and max() as macros so that drivers will not pick up the 57 * min() and max() kernel functions since they do signed comparison only. 58 */ 59 #ifdef min 60 #undef min 61 #endif /* min */ 62 #define min(a, b) ((a) < (b) ? (a) : (b)) 63 64 #ifdef max 65 #undef max 66 #endif /* max */ 67 #define max(a, b) ((a) < (b) ? (b) : (a)) 68 69 #define TIME 1 70 #define UPROCP 2 71 #define PPGRP 3 72 #define LBOLT 4 73 #define SYSRINT 5 74 #define SYSXINT 6 75 #define SYSMINT 7 76 #define SYSRAWC 8 77 #define SYSCANC 9 78 #define SYSOUTC 10 79 #define PPID 11 80 #define PSID 12 81 #define UCRED 13 82 83 #ifdef __STDC__ 84 extern int drv_getparm(uint_t, void *); 85 extern int drv_setparm(uint_t, ulong_t); 86 extern void drv_usecwait(clock_t); 87 extern clock_t drv_hztousec(clock_t); 88 extern clock_t drv_usectohz(clock_t); 89 extern void delay(clock_t); 90 extern void time_to_wait(clock_t *, clock_t); 91 92 #else 93 94 extern int drv_getparm(); 95 extern int drv_setparm(); 96 extern void drv_usecwait(); 97 extern clock_t drv_hztousec(); 98 extern clock_t drv_usectohz(); 99 extern void delay(); 100 extern time_to_wait(); 101 #endif /* __STDC__ */ 102 103 /* XXX -- should be changed to major_t */ 104 /* convert external to internal major number */ 105 106 #ifdef __STDC__ 107 extern int etoimajor(major_t); 108 /* convert internal to extern major number */ 109 extern int itoemajor(major_t, int); 110 111 #else 112 113 extern int etoimajor(); 114 /* convert internal to extern major number */ 115 extern int itoemajor(); 116 #endif /* __STDC__ */ 117 118 #if defined(__STDC__) 119 120 extern int drv_priv(struct cred *); 121 122 #else 123 124 extern int drv_priv(); 125 126 #endif 127 128 /* 129 * The following declarations take the place of macros in 130 * sysmacros.h The undefs are for any case where a driver includes 131 * sysmacros.h, even though DDI conforming drivers must not. 132 */ 133 #undef getemajor 134 #undef geteminor 135 #undef getmajor 136 #undef getminor 137 #undef makedevice 138 #undef cmpdev 139 #undef expdev 140 141 142 #ifdef __STDC__ 143 extern major_t getemajor(dev_t); 144 extern minor_t geteminor(dev_t); 145 extern major_t getmajor(dev_t); 146 extern minor_t getminor(dev_t); 147 extern dev_t makedevice(major_t, minor_t); 148 extern o_dev_t cmpdev(dev_t); 149 extern dev_t expdev(dev_t); 150 #else 151 extern major_t getemajor(); 152 extern minor_t geteminor(); 153 extern major_t getmajor(); 154 extern minor_t getminor(); 155 extern dev_t makedevice(); 156 extern o_dev_t cmpdev(); 157 extern dev_t expdev(); 158 #endif /* __STDC__ */ 159 160 /* 161 * The following macros from param.h are also being converted to 162 * functions and #undefs must be done here as well since param.h 163 * will be included by most if not every driver 164 */ 165 166 #undef btop 167 #undef btopr 168 #undef ptob 169 170 171 #ifdef __STDC__ 172 extern unsigned long btop(unsigned long); 173 extern unsigned long btopr(unsigned long); 174 extern unsigned long ptob(unsigned long); 175 #else 176 extern unsigned long btop(); 177 extern unsigned long btopr(); 178 extern unsigned long ptob(); 179 #endif /* __STDC__ */ 180 181 182 /* STREAMS drivers and modules must include stream.h to pick up the */ 183 /* needed structure and flag definitions. As was the case with map.h, */ 184 /* macros used by both the kernel and drivers in times past now have */ 185 /* a macro definition for the kernel and a function definition for */ 186 /* drivers. The following #undefs allow drivers to include stream.h */ 187 /* but call the functions rather than macros. */ 188 189 #undef OTHERQ 190 #undef RD 191 #undef WR 192 #undef SAMESTR 193 #undef datamsg 194 195 196 #ifdef __STDC__ 197 extern struct queue *OTHERQ(queue_t *); /* stream.h */ 198 extern struct queue *RD(queue_t *); 199 extern struct queue *WR(queue_t *); 200 extern int SAMESTR(queue_t *); 201 extern int datamsg(unsigned char); 202 203 #else 204 205 extern struct queue *OTHERQ(); /* stream.h */ 206 extern struct queue *RD(); 207 extern struct queue *WR(); 208 extern int SAMESTR(); 209 extern int datamsg(); 210 #endif /* __STDC__ */ 211 212 /* declarations of functions for allocating and deallocating the space */ 213 /* for a buffer header (just a header, not the associated buffer) */ 214 215 #ifdef __STDC__ 216 extern struct buf *getrbuf(int); 217 extern void freerbuf(struct buf *); 218 #else 219 extern struct buf *getrbuf(); 220 extern void freerbuf(); 221 #endif /* __STDC__ */ 222 223 #ifdef _KERNEL 224 /* 225 * SVR4MP replacement for hat_getkpfnum() 226 */ 227 #define NOPAGE (-1) /* value returned for invalid addresses */ 228 229 typedef pfn_t ppid_t; /* a 'physical page identifier' - no math allowed! */ 230 231 #ifdef __STDC__ 232 extern ppid_t kvtoppid(caddr_t); 233 #else /* __STDC__ */ 234 extern ppid_t kvtoppid(); 235 #endif /* __STDC__ */ 236 237 extern int qassociate(queue_t *, int); 238 239 #endif /* _KERNEL */ 240 241 #ifdef __cplusplus 242 } 243 #endif 244 245 #endif /* _SYS_DDI_H */ 246