/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License (the "License"). * You may not use this file except in compliance with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ /* All Rights Reserved */ /* * Copyright 2009 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. * Copyright 2018 OmniOS Community Edition (OmniOSce) Association. */ #ifndef _SYS_CONF_H #define _SYS_CONF_H #include <sys/feature_tests.h> #if !defined(_XPG4_2) || defined(__EXTENSIONS__) #include <sys/t_lock.h> #endif #ifdef __cplusplus extern "C" { #endif #define FMNAMESZ 8 /* used by struct fmodsw */ #if !defined(_XPG4_2) || defined(__EXTENSIONS__) #if defined(_KERNEL) || defined(_FAKE_KERNEL) /* * XXX Given that drivers need to include this file, * <sys/systm.h> probably shouldn't be here, as * it legitimizes (aka provides prototypes for) * all sorts of functions that aren't in the DKI/SunDDI */ #include <sys/types.h> #include <sys/systm.h> #endif /* _KERNEL || _FAKE_KERNEL */ #ifdef _KERNEL #include <sys/devops.h> #include <sys/model.h> #include <sys/buf.h> #include <sys/cred.h> #include <sys/uio.h> #include <sys/poll.h> #include <vm/as.h> typedef struct fmodsw { char f_name[FMNAMESZ + 1]; struct streamtab *f_str; int f_flag; } fmodsw_t; extern struct dev_ops **devopsp; extern int devcnt; /* * Return streams information for the driver specified by major number or * NULL if device cb_ops structure is not present. */ #define STREAMSTAB(maj) (devopsp[(maj)] == NULL ? NULL : \ (devopsp[(maj)]->devo_cb_ops == NULL ? \ NULL : \ devopsp[(maj)]->devo_cb_ops->cb_str)) #define CBFLAG(maj) (devopsp[(maj)]->devo_cb_ops->cb_flag) extern int devi_identify(dev_info_t *); extern int devi_probe(dev_info_t *); extern int devi_attach(dev_info_t *, ddi_attach_cmd_t); extern int devi_detach(dev_info_t *, ddi_detach_cmd_t); extern int devi_reset(dev_info_t *, ddi_reset_cmd_t); extern int devi_quiesce(dev_info_t *); /* * The following [cb]dev_* functions are not part of the DDI, use * <sys/sunldi.h> defined interfaces instead. */ extern int dev_open(dev_t *, int, int, cred_t *); extern int dev_lopen(dev_t *, int, int, cred_t *); extern int dev_close(dev_t, int, int, cred_t *); extern int dev_lclose(dev_t, int, int, cred_t *); extern int dev_to_instance(dev_t); extern int bdev_strategy(struct buf *); extern int bdev_print(dev_t, caddr_t); extern int bdev_dump(dev_t, caddr_t, daddr_t, int); extern int bdev_size(dev_t); extern uint64_t bdev_Size(dev_t); extern int cdev_read(dev_t, struct uio *, cred_t *); extern int cdev_write(dev_t, struct uio *, cred_t *); extern int cdev_size(dev_t); extern uint64_t cdev_Size(dev_t); extern int cdev_ioctl(dev_t, int, intptr_t, int, cred_t *, int *); extern int cdev_devmap(dev_t dev, devmap_cookie_t dhp, offset_t off, size_t len, size_t *maplen, uint_t model); extern int cdev_mmap(int (*)(dev_t, off_t, int), dev_t, off_t, int); extern int cdev_segmap(dev_t, off_t, struct as *, caddr_t *, off_t, uint_t, uint_t, uint_t, cred_t *); extern int cdev_poll(dev_t, short, int, short *, struct pollhead **); extern int cdev_prop_op(dev_t, dev_info_t *, ddi_prop_op_t, int, char *, caddr_t, int *); #endif /* _KERNEL */ /* * Device flags. * * Bit 0 to bit 15 are reserved for kernel. * Bit 16 to bit 31 are reserved for different machines. */ #define D_NEW 0x00 /* new-style driver */ #define _D_OLD 0x01 /* old-style driver (obsolete) */ #define D_TAPE 0x08 /* Magtape device (no bdwrite when cooked) */ /* * MT-safety level (in DDI portion of flags). * * All drivers must be MT-safe, and must advertise this by specifying D_MP. * * The remainder of the flags apply only to STREAMS modules and drivers. * * A STREAMS driver or module can optionally select inner and outer perimeters. * The four mutually exclusive options that define the presence and scope * of the inner perimeter are: * D_MTPERMOD - per module single threaded. * D_MTQPAIR - per queue-pair single threaded. * D_MTPERQ - per queue instance single threaded. * (none of the above) - no inner perimeter restricting concurrency * * The presence of the outer perimeter is declared with: * D_MTOUTPERIM - a per-module outer perimeter. Can be combined with * D_MTPERQ, D_MTQPAIR, and D_MP. * * The concurrency when entering the different STREAMS entry points can be * modified with: * D_MTPUTSHARED - modifier for D_MTPERQ, D_MTQPAIR, and D_MTPERMOD * specifying that the put procedures should not be * single-threaded at the inner perimeter. * _D_MTOCSHARED - EXPERIMENTAL - will be removed in a future release. * Modifier for D_MTPERQ, D_MTQPAIR, and D_MTPERMOD * specifying that the open and close procedures should not be * single-threaded at the inner perimeter. * _D_MTCBSHARED - EXPERIMENTAL - will be removed in a future release. * Modifier for D_MTPERQ, D_MTQPAIR, and D_MTPERMOD * specifying that the callback i.e qtimeout() procedures should * not be single-threaded at the inner perimeter. * _D_MTSVCSHARED - EXPERIMENTAL - will be removed in a future release. * Modifier for D_MTPERMOD only. Specifies that the service * procedure should not be single-threaded at the inner perimeter. * However only a single instance of the service thread can run on * any given queue. * D_MTOCEXCL - modifier for D_MTOUTPERIM specifying that the open and * close procedures should be single-threaded at the outer * perimeter. */ #define D_MTSAFE 0x0020 /* multi-threaded module or driver */ #define _D_QNEXTLESS 0x0040 /* Unused, retained for source compatibility */ #define _D_MTOCSHARED 0x0080 /* modify: open/close procedures are hot */ /* 0x100 - see below */ /* 0x200 - see below */ /* 0x400 - see below */ #define D_MTOCEXCL 0x0800 /* modify: open/close are exclusive at outer */ #define D_MTPUTSHARED 0x1000 /* modify: put procedures are hot */ #define D_MTPERQ 0x2000 /* per queue instance single-threaded */ #define D_MTQPAIR 0x4000 /* per queue-pair instance single-threaded */ #define D_MTPERMOD 0x6000 /* per module single-threaded */ #define D_MTOUTPERIM 0x8000 /* r/w outer perimeter around whole modules */ #define _D_MTCBSHARED 0x10000 /* modify : callback procedures are hot */ #define _D_MTSVCSHARED 0x20000 /* modify : service procedures are hot */ /* The inner perimeter scope bits */ #define D_MTINNER_MASK (D_MP|D_MTPERQ|D_MTQPAIR|D_MTPERMOD) /* Inner perimeter modification bits */ #define D_MTINNER_MOD (D_MTPUTSHARED|_D_MTOCSHARED|_D_MTCBSHARED| \ _D_MTSVCSHARED) /* Outer perimeter modification bits */ #define D_MTOUTER_MOD (D_MTOCEXCL) /* All the MT flags */ #define D_MTSAFETY_MASK (D_MTINNER_MASK|D_MTOUTPERIM|D_MTPUTSHARED|\ D_MTINNER_MOD|D_MTOUTER_MOD) #define D_MP D_MTSAFE /* ddi/dki approved flag */ #define D_64BIT 0x200 /* Driver supports 64-bit offsets, blk nos. */ #define D_SYNCSTR 0x400 /* Module or driver has Synchronous STREAMS */ /* extended qinit structure */ #define D_DEVMAP 0x100 /* Use devmap framework to mmap device */ #define D_HOTPLUG 0x4 /* Driver is hotplug capable */ #define D_U64BIT 0x40000 /* Driver supports unsigned 64-bit uio offset */ #define _D_DIRECT 0x80000 /* Private flag for transport modules */ #define D_OPEN_RETURNS_EINTR 0x100000 /* EINTR expected from open(9E) */ #define _D_SINGLE_INSTANCE 0x200000 /* Module may only be pushed once */ #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ #ifdef __cplusplus } #endif #endif /* _SYS_CONF_H */
