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 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 23*0Sstevel@tonic-gate /* All Rights Reserved */ 24*0Sstevel@tonic-gate 25*0Sstevel@tonic-gate 26*0Sstevel@tonic-gate /* 27*0Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 28*0Sstevel@tonic-gate * Use is subject to license terms. 29*0Sstevel@tonic-gate */ 30*0Sstevel@tonic-gate 31*0Sstevel@tonic-gate #ifndef _SYS_CONF_H 32*0Sstevel@tonic-gate #define _SYS_CONF_H 33*0Sstevel@tonic-gate 34*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" /* SVr4.0 11.21 */ 35*0Sstevel@tonic-gate 36*0Sstevel@tonic-gate #include <sys/feature_tests.h> 37*0Sstevel@tonic-gate 38*0Sstevel@tonic-gate #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 39*0Sstevel@tonic-gate #include <sys/t_lock.h> 40*0Sstevel@tonic-gate #endif 41*0Sstevel@tonic-gate 42*0Sstevel@tonic-gate #ifdef __cplusplus 43*0Sstevel@tonic-gate extern "C" { 44*0Sstevel@tonic-gate #endif 45*0Sstevel@tonic-gate 46*0Sstevel@tonic-gate #define FMNAMESZ 8 /* used by struct fmodsw */ 47*0Sstevel@tonic-gate 48*0Sstevel@tonic-gate #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 49*0Sstevel@tonic-gate 50*0Sstevel@tonic-gate #ifdef _KERNEL 51*0Sstevel@tonic-gate 52*0Sstevel@tonic-gate /* 53*0Sstevel@tonic-gate * XXX Given that drivers need to include this file, 54*0Sstevel@tonic-gate * <sys/systm.h> probably shouldn't be here, as 55*0Sstevel@tonic-gate * it legitimizes (aka provides prototypes for) 56*0Sstevel@tonic-gate * all sorts of functions that aren't in the DKI/SunDDI 57*0Sstevel@tonic-gate */ 58*0Sstevel@tonic-gate #include <sys/systm.h> 59*0Sstevel@tonic-gate #include <sys/devops.h> 60*0Sstevel@tonic-gate #include <sys/model.h> 61*0Sstevel@tonic-gate #include <sys/types.h> 62*0Sstevel@tonic-gate #include <sys/buf.h> 63*0Sstevel@tonic-gate #include <sys/cred.h> 64*0Sstevel@tonic-gate #include <sys/uio.h> 65*0Sstevel@tonic-gate #include <sys/poll.h> 66*0Sstevel@tonic-gate #include <vm/as.h> 67*0Sstevel@tonic-gate 68*0Sstevel@tonic-gate typedef struct fmodsw { 69*0Sstevel@tonic-gate char f_name[FMNAMESZ + 1]; 70*0Sstevel@tonic-gate struct streamtab *f_str; 71*0Sstevel@tonic-gate int f_flag; 72*0Sstevel@tonic-gate } fmodsw_t; 73*0Sstevel@tonic-gate 74*0Sstevel@tonic-gate extern struct dev_ops **devopsp; 75*0Sstevel@tonic-gate extern int devcnt; 76*0Sstevel@tonic-gate 77*0Sstevel@tonic-gate /* 78*0Sstevel@tonic-gate * Return streams information for the driver specified by major number or 79*0Sstevel@tonic-gate * NULL if device cb_ops structure is not present. 80*0Sstevel@tonic-gate */ 81*0Sstevel@tonic-gate #define STREAMSTAB(maj) (devopsp[(maj)] == NULL ? NULL : \ 82*0Sstevel@tonic-gate (devopsp[(maj)]->devo_cb_ops == NULL ? \ 83*0Sstevel@tonic-gate NULL : \ 84*0Sstevel@tonic-gate devopsp[(maj)]->devo_cb_ops->cb_str)) 85*0Sstevel@tonic-gate #define CBFLAG(maj) (devopsp[(maj)]->devo_cb_ops->cb_flag) 86*0Sstevel@tonic-gate 87*0Sstevel@tonic-gate extern int devi_identify(dev_info_t *); 88*0Sstevel@tonic-gate extern int devi_probe(dev_info_t *); 89*0Sstevel@tonic-gate extern int devi_attach(dev_info_t *, ddi_attach_cmd_t); 90*0Sstevel@tonic-gate extern int devi_detach(dev_info_t *, ddi_detach_cmd_t); 91*0Sstevel@tonic-gate extern int devi_reset(dev_info_t *, ddi_reset_cmd_t); 92*0Sstevel@tonic-gate 93*0Sstevel@tonic-gate /* 94*0Sstevel@tonic-gate * The following [cb]dev_* functions are not part of the DDI, use 95*0Sstevel@tonic-gate * <sys/sunldi.h> defined interfaces instead. 96*0Sstevel@tonic-gate */ 97*0Sstevel@tonic-gate extern int dev_open(dev_t *, int, int, cred_t *); 98*0Sstevel@tonic-gate extern int dev_lopen(dev_t *, int, int, cred_t *); 99*0Sstevel@tonic-gate extern int dev_close(dev_t, int, int, cred_t *); 100*0Sstevel@tonic-gate extern int dev_lclose(dev_t, int, int, cred_t *); 101*0Sstevel@tonic-gate 102*0Sstevel@tonic-gate extern int dev_to_instance(dev_t); 103*0Sstevel@tonic-gate 104*0Sstevel@tonic-gate extern int bdev_strategy(struct buf *); 105*0Sstevel@tonic-gate extern int bdev_print(dev_t, caddr_t); 106*0Sstevel@tonic-gate extern int bdev_dump(dev_t, caddr_t, daddr_t, int); 107*0Sstevel@tonic-gate extern int bdev_size(dev_t); 108*0Sstevel@tonic-gate extern uint64_t bdev_Size(dev_t); 109*0Sstevel@tonic-gate 110*0Sstevel@tonic-gate extern int cdev_read(dev_t, struct uio *, cred_t *); 111*0Sstevel@tonic-gate extern int cdev_write(dev_t, struct uio *, cred_t *); 112*0Sstevel@tonic-gate extern int cdev_size(dev_t); 113*0Sstevel@tonic-gate extern uint64_t cdev_Size(dev_t); 114*0Sstevel@tonic-gate extern int cdev_ioctl(dev_t, int, intptr_t, int, cred_t *, int *); 115*0Sstevel@tonic-gate extern int cdev_devmap(dev_t dev, devmap_cookie_t dhp, offset_t off, 116*0Sstevel@tonic-gate size_t len, size_t *maplen, uint_t model); 117*0Sstevel@tonic-gate extern int cdev_mmap(int (*)(dev_t, off_t, int), 118*0Sstevel@tonic-gate dev_t, off_t, int); 119*0Sstevel@tonic-gate extern int cdev_segmap(dev_t, off_t, struct as *, caddr_t *, 120*0Sstevel@tonic-gate off_t, uint_t, uint_t, uint_t, cred_t *); 121*0Sstevel@tonic-gate extern int cdev_poll(dev_t, short, int, short *, struct pollhead **); 122*0Sstevel@tonic-gate extern int cdev_prop_op(dev_t, dev_info_t *, ddi_prop_op_t, 123*0Sstevel@tonic-gate int, char *, caddr_t, int *); 124*0Sstevel@tonic-gate 125*0Sstevel@tonic-gate #endif /* _KERNEL */ 126*0Sstevel@tonic-gate 127*0Sstevel@tonic-gate 128*0Sstevel@tonic-gate /* 129*0Sstevel@tonic-gate * Device flags. 130*0Sstevel@tonic-gate * 131*0Sstevel@tonic-gate * Bit 0 to bit 15 are reserved for kernel. 132*0Sstevel@tonic-gate * Bit 16 to bit 31 are reserved for different machines. 133*0Sstevel@tonic-gate */ 134*0Sstevel@tonic-gate 135*0Sstevel@tonic-gate #define D_NEW 0x00 /* new-style driver */ 136*0Sstevel@tonic-gate #define _D_OLD 0x01 /* old-style driver (obsolete) */ 137*0Sstevel@tonic-gate #define D_TAPE 0x08 /* Magtape device (no bdwrite when cooked) */ 138*0Sstevel@tonic-gate 139*0Sstevel@tonic-gate /* 140*0Sstevel@tonic-gate * MT-safety level (in DDI portion of flags). 141*0Sstevel@tonic-gate * 142*0Sstevel@tonic-gate * All drivers must be MT-safe, and must advertise this by specifying D_MP. 143*0Sstevel@tonic-gate * 144*0Sstevel@tonic-gate * The remainder of the flags apply only to STREAMS modules and drivers. 145*0Sstevel@tonic-gate * 146*0Sstevel@tonic-gate * A STREAMS driver or module can optionally select inner and outer perimeters. 147*0Sstevel@tonic-gate * The four mutually exclusive options that define the presence and scope 148*0Sstevel@tonic-gate * of the inner perimeter are: 149*0Sstevel@tonic-gate * D_MTPERMOD - per module single threaded. 150*0Sstevel@tonic-gate * D_MTQPAIR - per queue-pair single threaded. 151*0Sstevel@tonic-gate * D_MTPERQ - per queue instance single threaded. 152*0Sstevel@tonic-gate * (none of the above) - no inner perimeter restricting concurrency 153*0Sstevel@tonic-gate * 154*0Sstevel@tonic-gate * The presence of the outer perimeter is declared with: 155*0Sstevel@tonic-gate * D_MTOUTPERIM - a per-module outer perimeter. Can be combined with 156*0Sstevel@tonic-gate * D_MTPERQ, D_MTQPAIR, and D_MP. 157*0Sstevel@tonic-gate * 158*0Sstevel@tonic-gate * The concurrency when entering the different STREAMS entry points can be 159*0Sstevel@tonic-gate * modified with: 160*0Sstevel@tonic-gate * D_MTPUTSHARED - modifier for D_MTPERQ, D_MTQPAIR, and D_MTPERMOD 161*0Sstevel@tonic-gate * specifying that the put procedures should not be 162*0Sstevel@tonic-gate * single-threaded at the inner perimeter. 163*0Sstevel@tonic-gate * _D_MTOCSHARED - EXPERIMENTAL - will be removed in a future release. 164*0Sstevel@tonic-gate * Modifier for D_MTPERQ, D_MTQPAIR, and D_MTPERMOD 165*0Sstevel@tonic-gate * specifying that the open and close procedures should not be 166*0Sstevel@tonic-gate * single-threaded at the inner perimeter. 167*0Sstevel@tonic-gate * _D_MTCBSHARED - EXPERIMENTAL - will be removed in a future release. 168*0Sstevel@tonic-gate * Modifier for D_MTPERQ, D_MTQPAIR, and D_MTPERMOD 169*0Sstevel@tonic-gate * specifying that the callback i.e qtimeout() procedures should 170*0Sstevel@tonic-gate * not be single-threaded at the inner perimeter. 171*0Sstevel@tonic-gate * _D_MTSVCSHARED - EXPERIMENTAL - will be removed in a future release. 172*0Sstevel@tonic-gate * Modifier for D_MTPERMOD only. Specifies that the service 173*0Sstevel@tonic-gate * procedure should not be single-threaded at the inner perimeter. 174*0Sstevel@tonic-gate * However only a single instance of the service thread can run on 175*0Sstevel@tonic-gate * any given queue. 176*0Sstevel@tonic-gate * D_MTOCEXCL - modifier for D_MTOUTPERIM specifying that the open and 177*0Sstevel@tonic-gate * close procedures should be single-threaded at the outer 178*0Sstevel@tonic-gate * perimeter. 179*0Sstevel@tonic-gate */ 180*0Sstevel@tonic-gate #define D_MTSAFE 0x0020 /* multi-threaded module or driver */ 181*0Sstevel@tonic-gate #define _D_QNEXTLESS 0x0040 /* Unused, retained for source compatibility */ 182*0Sstevel@tonic-gate #define _D_MTOCSHARED 0x0080 /* modify: open/close procedures are hot */ 183*0Sstevel@tonic-gate /* 0x100 - see below */ 184*0Sstevel@tonic-gate /* 0x200 - see below */ 185*0Sstevel@tonic-gate /* 0x400 - see below */ 186*0Sstevel@tonic-gate #define D_MTOCEXCL 0x0800 /* modify: open/close are exclusive at outer */ 187*0Sstevel@tonic-gate #define D_MTPUTSHARED 0x1000 /* modify: put procedures are hot */ 188*0Sstevel@tonic-gate #define D_MTPERQ 0x2000 /* per queue instance single-threaded */ 189*0Sstevel@tonic-gate #define D_MTQPAIR 0x4000 /* per queue-pair instance single-threaded */ 190*0Sstevel@tonic-gate #define D_MTPERMOD 0x6000 /* per module single-threaded */ 191*0Sstevel@tonic-gate #define D_MTOUTPERIM 0x8000 /* r/w outer perimeter around whole modules */ 192*0Sstevel@tonic-gate #define _D_MTCBSHARED 0x10000 /* modify : callback procedures are hot */ 193*0Sstevel@tonic-gate #define _D_MTSVCSHARED 0x20000 /* modify : service procedures are hot */ 194*0Sstevel@tonic-gate 195*0Sstevel@tonic-gate /* The inner perimeter scope bits */ 196*0Sstevel@tonic-gate #define D_MTINNER_MASK (D_MP|D_MTPERQ|D_MTQPAIR|D_MTPERMOD) 197*0Sstevel@tonic-gate 198*0Sstevel@tonic-gate /* Inner perimeter modification bits */ 199*0Sstevel@tonic-gate #define D_MTINNER_MOD (D_MTPUTSHARED|_D_MTOCSHARED|_D_MTCBSHARED| \ 200*0Sstevel@tonic-gate _D_MTSVCSHARED) 201*0Sstevel@tonic-gate 202*0Sstevel@tonic-gate /* Outer perimeter modification bits */ 203*0Sstevel@tonic-gate #define D_MTOUTER_MOD (D_MTOCEXCL) 204*0Sstevel@tonic-gate 205*0Sstevel@tonic-gate /* All the MT flags */ 206*0Sstevel@tonic-gate #define D_MTSAFETY_MASK (D_MTINNER_MASK|D_MTOUTPERIM|D_MTPUTSHARED|\ 207*0Sstevel@tonic-gate D_MTINNER_MOD|D_MTOUTER_MOD) 208*0Sstevel@tonic-gate 209*0Sstevel@tonic-gate #define D_MP D_MTSAFE /* ddi/dki approved flag */ 210*0Sstevel@tonic-gate 211*0Sstevel@tonic-gate #define D_64BIT 0x200 /* Driver supports 64-bit offsets, blk nos. */ 212*0Sstevel@tonic-gate 213*0Sstevel@tonic-gate #define D_SYNCSTR 0x400 /* Module or driver has Synchronous STREAMS */ 214*0Sstevel@tonic-gate /* extended qinit structure */ 215*0Sstevel@tonic-gate 216*0Sstevel@tonic-gate #define D_DEVMAP 0x100 /* Use devmap framework to mmap device */ 217*0Sstevel@tonic-gate 218*0Sstevel@tonic-gate #define D_HOTPLUG 0x4 /* Driver is hotplug capable */ 219*0Sstevel@tonic-gate 220*0Sstevel@tonic-gate #define D_U64BIT 0x40000 /* Driver supports unsigned 64-bit uio offset */ 221*0Sstevel@tonic-gate 222*0Sstevel@tonic-gate #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 223*0Sstevel@tonic-gate 224*0Sstevel@tonic-gate #ifdef __cplusplus 225*0Sstevel@tonic-gate } 226*0Sstevel@tonic-gate #endif 227*0Sstevel@tonic-gate 228*0Sstevel@tonic-gate #endif /* _SYS_CONF_H */ 229