1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright 1997-1999, 2002 Sun Microsystems, Inc. All rights reserved. 24*0Sstevel@tonic-gate * Use is subject to license terms. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 28*0Sstevel@tonic-gate /* All Rights Reserved */ 29*0Sstevel@tonic-gate 30*0Sstevel@tonic-gate 31*0Sstevel@tonic-gate #ifndef _SYS_SAD_H 32*0Sstevel@tonic-gate #define _SYS_SAD_H 33*0Sstevel@tonic-gate 34*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.5 */ 35*0Sstevel@tonic-gate 36*0Sstevel@tonic-gate #include <sys/types.h> 37*0Sstevel@tonic-gate 38*0Sstevel@tonic-gate #ifdef __cplusplus 39*0Sstevel@tonic-gate extern "C" { 40*0Sstevel@tonic-gate #endif 41*0Sstevel@tonic-gate 42*0Sstevel@tonic-gate /* 43*0Sstevel@tonic-gate * Streams Administrative Driver 44*0Sstevel@tonic-gate */ 45*0Sstevel@tonic-gate 46*0Sstevel@tonic-gate /* 47*0Sstevel@tonic-gate * As time has passed, it has become necessary to add members to some 48*0Sstevel@tonic-gate * of the structures passed downstream with these ioctls. Currently, 49*0Sstevel@tonic-gate * only the SAD_GAP/SAD_SAP ioctls are versioned, (which use the 50*0Sstevel@tonic-gate * strapush structure), but the versioning mechanism is general enough 51*0Sstevel@tonic-gate * to be applied to any SAD ioctls. This is done by repartitioning 52*0Sstevel@tonic-gate * the SAD ioctl namespace to include a version number in addition to 53*0Sstevel@tonic-gate * the command (see below). 54*0Sstevel@tonic-gate * 55*0Sstevel@tonic-gate * In the case of the SAD_GAP/SAD_SAP ioctls, an application can 56*0Sstevel@tonic-gate * choose which "version" of the ioctl to use by #defining AP_VERSION 57*0Sstevel@tonic-gate * before including this file. Old code implicitly has AP_VERSION set 58*0Sstevel@tonic-gate * to 0, and even newly compiled code defaults to an AP_VERSION of 0, 59*0Sstevel@tonic-gate * since it may not be aware of the new structure members and 60*0Sstevel@tonic-gate * therefore not know to set them to reasonable values. In order for 61*0Sstevel@tonic-gate * programs to make use of a newer version, they must explicitly 62*0Sstevel@tonic-gate * #define AP_VERSION to the appropriate value. Note that the kernel 63*0Sstevel@tonic-gate * always defaults to the latest version, since it is internally 64*0Sstevel@tonic-gate * self-consistent. 65*0Sstevel@tonic-gate */ 66*0Sstevel@tonic-gate #ifndef AP_VERSION 67*0Sstevel@tonic-gate #ifdef _KERNEL 68*0Sstevel@tonic-gate #define AP_VERSION 1 /* latest version */ 69*0Sstevel@tonic-gate #else 70*0Sstevel@tonic-gate #define AP_VERSION 0 /* SVR4 version */ 71*0Sstevel@tonic-gate #endif 72*0Sstevel@tonic-gate #endif 73*0Sstevel@tonic-gate 74*0Sstevel@tonic-gate /* 75*0Sstevel@tonic-gate * ioctl defines 76*0Sstevel@tonic-gate * 77*0Sstevel@tonic-gate * The layout for the low 16 bits is 01000101VVVVCCCC, where the 78*0Sstevel@tonic-gate * first bitpattern is `D' in binary, followed by a 4 bit version 79*0Sstevel@tonic-gate * field (limiting the number of versions to 16), followed by a 80*0Sstevel@tonic-gate * 4 bit command field (limiting the number of commands to 16). 81*0Sstevel@tonic-gate */ 82*0Sstevel@tonic-gate #define SADIOC ('D' << 8) 83*0Sstevel@tonic-gate #define SAD_SAP (SADIOC|AP_VERSION << 4|01) 84*0Sstevel@tonic-gate #define SAD_GAP (SADIOC|AP_VERSION << 4|02) 85*0Sstevel@tonic-gate #define SAD_VML (SADIOC|03) /* validate module list */ 86*0Sstevel@tonic-gate 87*0Sstevel@tonic-gate /* 88*0Sstevel@tonic-gate * Device naming and numbering conventions. 89*0Sstevel@tonic-gate */ 90*0Sstevel@tonic-gate #define USERDEV "/dev/sad/user" 91*0Sstevel@tonic-gate #define ADMINDEV "/dev/sad/admin" 92*0Sstevel@tonic-gate 93*0Sstevel@tonic-gate #define USRMIN 0 94*0Sstevel@tonic-gate #define ADMMIN 1 95*0Sstevel@tonic-gate 96*0Sstevel@tonic-gate /* 97*0Sstevel@tonic-gate * The maximum modules you can push on a stream using the autopush 98*0Sstevel@tonic-gate * feature. This should be less than NSTRPUSH. 99*0Sstevel@tonic-gate */ 100*0Sstevel@tonic-gate #define MAXAPUSH 8 101*0Sstevel@tonic-gate 102*0Sstevel@tonic-gate /* 103*0Sstevel@tonic-gate * autopush info common to user and kernel 104*0Sstevel@tonic-gate */ 105*0Sstevel@tonic-gate struct apcommon { 106*0Sstevel@tonic-gate uint_t apc_cmd; /* command (see below) */ 107*0Sstevel@tonic-gate major_t apc_major; /* major # of device */ 108*0Sstevel@tonic-gate minor_t apc_minor; /* minor # of device */ 109*0Sstevel@tonic-gate minor_t apc_lastminor; /* last minor for range */ 110*0Sstevel@tonic-gate uint_t apc_npush; /* number of modules to push */ 111*0Sstevel@tonic-gate }; 112*0Sstevel@tonic-gate 113*0Sstevel@tonic-gate /* 114*0Sstevel@tonic-gate * New autopush information structure. This wouldn't be necessary 115*0Sstevel@tonic-gate * except `struct apcommon' wasn't defined last in the `strapush' 116*0Sstevel@tonic-gate * structure, making it difficult to grow the structure without 117*0Sstevel@tonic-gate * breaking binary compatibility. Note that new members can be added 118*0Sstevel@tonic-gate * to this structure in the future, at which point AP_VERSION should 119*0Sstevel@tonic-gate * be incremented (of course, a new STRAPUSH_Vx_LEN macro should be 120*0Sstevel@tonic-gate * added and sad.c should be changed to handle the new member). 121*0Sstevel@tonic-gate */ 122*0Sstevel@tonic-gate struct apdata { 123*0Sstevel@tonic-gate uint_t apd_anchor; /* position of anchor in stream */ 124*0Sstevel@tonic-gate }; 125*0Sstevel@tonic-gate 126*0Sstevel@tonic-gate /* 127*0Sstevel@tonic-gate * ap_cmd: various flavors of autopush 128*0Sstevel@tonic-gate */ 129*0Sstevel@tonic-gate #define SAP_CLEAR 0 /* remove configuration list */ 130*0Sstevel@tonic-gate #define SAP_ONE 1 /* configure one minor device */ 131*0Sstevel@tonic-gate #define SAP_RANGE 2 /* configure range of minor devices */ 132*0Sstevel@tonic-gate #define SAP_ALL 3 /* configure all minor devices */ 133*0Sstevel@tonic-gate 134*0Sstevel@tonic-gate /* 135*0Sstevel@tonic-gate * format for autopush ioctls 136*0Sstevel@tonic-gate */ 137*0Sstevel@tonic-gate struct strapush { 138*0Sstevel@tonic-gate struct apcommon sap_common; /* see above */ 139*0Sstevel@tonic-gate char sap_list[MAXAPUSH][FMNAMESZ + 1]; /* module list */ 140*0Sstevel@tonic-gate #if AP_VERSION > 0 141*0Sstevel@tonic-gate struct apdata sap_data; /* see above */ 142*0Sstevel@tonic-gate #endif 143*0Sstevel@tonic-gate }; 144*0Sstevel@tonic-gate 145*0Sstevel@tonic-gate #define sap_cmd sap_common.apc_cmd 146*0Sstevel@tonic-gate #define sap_major sap_common.apc_major 147*0Sstevel@tonic-gate #define sap_minor sap_common.apc_minor 148*0Sstevel@tonic-gate #define sap_lastminor sap_common.apc_lastminor 149*0Sstevel@tonic-gate #define sap_npush sap_common.apc_npush 150*0Sstevel@tonic-gate #define sap_anchor sap_data.apd_anchor 151*0Sstevel@tonic-gate 152*0Sstevel@tonic-gate #ifdef _KERNEL 153*0Sstevel@tonic-gate 154*0Sstevel@tonic-gate /* 155*0Sstevel@tonic-gate * state values for ioctls 156*0Sstevel@tonic-gate */ 157*0Sstevel@tonic-gate #define GETSTRUCT 1 158*0Sstevel@tonic-gate #define GETRESULT 2 159*0Sstevel@tonic-gate #define GETLIST 3 160*0Sstevel@tonic-gate 161*0Sstevel@tonic-gate #define SAD_VER(ioccmd) (((ioccmd) >> 4) & 0x0f) 162*0Sstevel@tonic-gate #define SAD_CMD(ioccmd) ((ioccmd) & ~0xf0) 163*0Sstevel@tonic-gate 164*0Sstevel@tonic-gate #define STRAPUSH_V0_LEN (size_t)(&((struct strapush *)0)->sap_data) 165*0Sstevel@tonic-gate #define STRAPUSH_V1_LEN (size_t)(STRAPUSH_V0_LEN + sizeof (uint_t)) 166*0Sstevel@tonic-gate 167*0Sstevel@tonic-gate struct saddev { 168*0Sstevel@tonic-gate queue_t *sa_qp; /* pointer to read queue */ 169*0Sstevel@tonic-gate caddr_t sa_addr; /* saved address for copyout */ 170*0Sstevel@tonic-gate int sa_flags; /* see below */ 171*0Sstevel@tonic-gate }; 172*0Sstevel@tonic-gate 173*0Sstevel@tonic-gate /* 174*0Sstevel@tonic-gate * values for saddev flags field. 175*0Sstevel@tonic-gate */ 176*0Sstevel@tonic-gate #define SADPRIV 0x01 177*0Sstevel@tonic-gate 178*0Sstevel@tonic-gate /* 179*0Sstevel@tonic-gate * Module Autopush Cache 180*0Sstevel@tonic-gate */ 181*0Sstevel@tonic-gate struct autopush { 182*0Sstevel@tonic-gate struct autopush *ap_nextp; /* next on list */ 183*0Sstevel@tonic-gate int ap_flags; /* see below */ 184*0Sstevel@tonic-gate struct apcommon ap_common; /* see above */ 185*0Sstevel@tonic-gate char ap_list[MAXAPUSH][FMNAMESZ + 1]; 186*0Sstevel@tonic-gate /* list of modules to push */ 187*0Sstevel@tonic-gate int ap_cnt; /* in use count */ 188*0Sstevel@tonic-gate struct apdata ap_data; /* see above */ 189*0Sstevel@tonic-gate }; 190*0Sstevel@tonic-gate 191*0Sstevel@tonic-gate /* 192*0Sstevel@tonic-gate * The command issued by the user ultimately becomes 193*0Sstevel@tonic-gate * the type of the autopush entry. Therefore, occurrences of 194*0Sstevel@tonic-gate * "type" in the code refer to an existing autopush entry. 195*0Sstevel@tonic-gate * Occurrences of "cmd" in the code refer to the command the 196*0Sstevel@tonic-gate * user is currently trying to complete. types and cmds take 197*0Sstevel@tonic-gate * on the same values. 198*0Sstevel@tonic-gate */ 199*0Sstevel@tonic-gate #define ap_type ap_common.apc_cmd 200*0Sstevel@tonic-gate #define ap_major ap_common.apc_major 201*0Sstevel@tonic-gate #define ap_minor ap_common.apc_minor 202*0Sstevel@tonic-gate #define ap_lastminor ap_common.apc_lastminor 203*0Sstevel@tonic-gate #define ap_npush ap_common.apc_npush 204*0Sstevel@tonic-gate #define ap_anchor ap_data.apd_anchor 205*0Sstevel@tonic-gate 206*0Sstevel@tonic-gate /* 207*0Sstevel@tonic-gate * autopush flag values 208*0Sstevel@tonic-gate */ 209*0Sstevel@tonic-gate #define APFREE 0x00 /* free */ 210*0Sstevel@tonic-gate #define APUSED 0x01 /* used */ 211*0Sstevel@tonic-gate #define APHASH 0x02 /* on hash list */ 212*0Sstevel@tonic-gate 213*0Sstevel@tonic-gate /* 214*0Sstevel@tonic-gate * hash function for cache 215*0Sstevel@tonic-gate */ 216*0Sstevel@tonic-gate #define strphash(maj) strpcache[(((int)maj)&strpmask)] 217*0Sstevel@tonic-gate 218*0Sstevel@tonic-gate extern struct saddev *saddev; /* sad device array */ 219*0Sstevel@tonic-gate extern int sadcnt; /* number of elements in saddev */ 220*0Sstevel@tonic-gate extern struct autopush *autopush; /* autopush data array */ 221*0Sstevel@tonic-gate extern int nautopush; /* number of elements in autopush */ 222*0Sstevel@tonic-gate extern struct autopush **strpcache; /* autopush hash list */ 223*0Sstevel@tonic-gate extern int strpmask; /* used in hash function */ 224*0Sstevel@tonic-gate 225*0Sstevel@tonic-gate /* 226*0Sstevel@tonic-gate * function prototypes 227*0Sstevel@tonic-gate */ 228*0Sstevel@tonic-gate #ifdef C2_AUDIT 229*0Sstevel@tonic-gate void audit_stropen(struct vnode *, dev_t *, int, cred_t *); 230*0Sstevel@tonic-gate void audit_strclose(struct vnode *, int, cred_t *); 231*0Sstevel@tonic-gate void audit_strioctl(struct vnode *, int, intptr_t, int, int, cred_t *, int *); 232*0Sstevel@tonic-gate struct strbuf; 233*0Sstevel@tonic-gate void audit_strputmsg(struct vnode *, struct strbuf *, struct strbuf *, 234*0Sstevel@tonic-gate unsigned char, int, int); 235*0Sstevel@tonic-gate void audit_fdsend(int, struct file *, int); 236*0Sstevel@tonic-gate void audit_fdrecv(int, struct file *); 237*0Sstevel@tonic-gate #endif 238*0Sstevel@tonic-gate 239*0Sstevel@tonic-gate extern void ap_free(struct autopush *); 240*0Sstevel@tonic-gate extern void sad_initspace(void); 241*0Sstevel@tonic-gate 242*0Sstevel@tonic-gate #endif /* _KERNEL */ 243*0Sstevel@tonic-gate 244*0Sstevel@tonic-gate #ifdef __cplusplus 245*0Sstevel@tonic-gate } 246*0Sstevel@tonic-gate #endif 247*0Sstevel@tonic-gate 248*0Sstevel@tonic-gate #endif /* _SYS_SAD_H */ 249