X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/9bccf70c0258c7cac2dcb80011b2a964d884c552..4ba76501152d51ccb5647018f3192c6096367d48:/bsd/sys/conf.h diff --git a/bsd/sys/conf.h b/bsd/sys/conf.h index d3b213bf0..68cec736c 100644 --- a/bsd/sys/conf.h +++ b/bsd/sys/conf.h @@ -1,23 +1,29 @@ /* - * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved. + * Copyright (c) 2000-2012 Apple Computer, Inc. All rights reserved. * - * @APPLE_LICENSE_HEADER_START@ - * - * The contents of this file constitute Original Code as defined in and - * are subject to the Apple Public Source License Version 1.1 (the - * "License"). You may not use this file except in compliance with the - * License. Please obtain a copy of the License at - * http://www.apple.com/publicsource and read it before using this file. - * - * This Original Code and all software distributed under the License are - * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER + * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ + * + * This file contains Original Code and/or Modifications of Original Code + * as defined in and that are subject to the Apple Public Source License + * Version 2.0 (the 'License'). You may not use this file except in + * compliance with the License. The rights granted to you under the License + * may not be used to create, or enable the creation or redistribution of, + * unlawful or unlicensed copies of an Apple operating system, or to + * circumvent, violate, or enable the circumvention or violation of, any + * terms of an Apple operating system software license agreement. + * + * Please obtain a copy of the License at + * http://www.opensource.apple.com/apsl/ and read it before using this file. + * + * The Original Code and all software distributed under the License are + * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the - * License for the specific language governing rights and limitations - * under the License. - * - * @APPLE_LICENSE_HEADER_END@ + * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. + * Please see the License for the specific language governing rights and + * limitations under the License. + * + * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */ /*- @@ -64,6 +70,9 @@ #define _SYS_CONF_H_ 1 #include +#include +#include +#include /* * Definitions of device driver entry switches @@ -75,183 +84,205 @@ struct tty; struct uio; struct vnode; -#ifdef __APPLE_API_UNSTABLE -/* +/* + * Types for d_type. + * These are returned by ioctl FIODTYPE + */ +#define D_TAPE 1 +#define D_DISK 2 +#define D_TTY 3 + +#ifdef KERNEL +/* * Device switch function types. */ -typedef int open_close_fcn_t __P((dev_t dev, int flags, int devtype, - struct proc *p)); - -typedef struct tty *d_devtotty_t __P((dev_t dev)); - -typedef void strategy_fcn_t __P((struct buf *bp)); -typedef int ioctl_fcn_t __P((dev_t dev, u_long cmd, caddr_t data, - int fflag, struct proc *p)); -typedef int dump_fcn_t (); /* parameters vary by architecture */ -typedef int psize_fcn_t __P((dev_t dev)); -typedef int read_write_fcn_t __P((dev_t dev, struct uio *uio, int ioflag)); -typedef int stop_fcn_t __P((struct tty *tp, int rw)); -typedef int reset_fcn_t __P((int uban)); -typedef int select_fcn_t __P((dev_t dev, int which, void * wql, struct proc *p)); -typedef int mmap_fcn_t __P(()); -typedef int getc_fcn_t __P((dev_t dev)); -typedef int putc_fcn_t __P((dev_t dev, char c)); -typedef int d_poll_t __P((dev_t dev, int events, struct proc *p)); - -#define d_open_t open_close_fcn_t -#define d_close_t open_close_fcn_t -#define d_read_t read_write_fcn_t -#define d_write_t read_write_fcn_t -#define d_ioctl_t ioctl_fcn_t +typedef int open_close_fcn_t(dev_t dev, int flags, int devtype, + struct proc *p); + +typedef struct tty *d_devtotty_t(dev_t dev); + +typedef void strategy_fcn_t(struct buf *bp); +typedef int ioctl_fcn_t(dev_t dev, u_long cmd, caddr_t data, + int fflag, struct proc *p); +typedef int dump_fcn_t(void); /* parameters vary by architecture */ +typedef int psize_fcn_t(dev_t dev); +typedef int read_write_fcn_t(dev_t dev, struct uio *uio, int ioflag); +typedef int stop_fcn_t(struct tty *tp, int rw); +typedef int reset_fcn_t(int uban); +typedef int select_fcn_t(dev_t dev, int which, void * wql, struct proc *p); +typedef int mmap_fcn_t(void); + +#define d_open_t open_close_fcn_t +#define d_close_t open_close_fcn_t +#define d_read_t read_write_fcn_t +#define d_write_t read_write_fcn_t +#define d_ioctl_t ioctl_fcn_t +#define d_stop_t stop_fcn_t +#define d_reset_t reset_fcn_t +#define d_select_t select_fcn_t +#define d_mmap_t mmap_fcn_t +#define d_strategy_t strategy_fcn_t __BEGIN_DECLS -int enodev (); /* avoid actual prototype for multiple use */ -void enodev_strat(); +int enodev(void); +void enodev_strat(void); __END_DECLS /* * Versions of enodev() pointer, cast to appropriate function type. For use * in empty devsw slots. */ -#define eno_opcl ((open_close_fcn_t *)&enodev) -#define eno_strat ((strategy_fcn_t *)&enodev_strat) -#define eno_ioctl ((ioctl_fcn_t *)&enodev) -#define eno_dump ((dump_fcn_t *)&enodev) -#define eno_psize ((psize_fcn_t *)&enodev) -#define eno_rdwrt ((read_write_fcn_t *)&enodev) -#define eno_stop ((stop_fcn_t *)&enodev) -#define eno_reset ((reset_fcn_t *)&enodev) -#define eno_mmap ((mmap_fcn_t *)&enodev) -#define eno_getc ((getc_fcn_t *)&enodev) -#define eno_putc ((putc_fcn_t *)&enodev) -#define eno_select ((select_fcn_t *)&enodev) +#define eno_opcl ((open_close_fcn_t *)&enodev) +#define eno_strat ((strategy_fcn_t *)&enodev_strat) +#define eno_ioctl ((ioctl_fcn_t *)&enodev) +#define eno_dump ((dump_fcn_t *)&enodev) +#define eno_psize ((psize_fcn_t *)&enodev) +#define eno_rdwrt ((read_write_fcn_t *)&enodev) +#define eno_stop ((stop_fcn_t *)&enodev) +#define eno_reset ((reset_fcn_t *)&enodev) +#define eno_mmap ((mmap_fcn_t *)&enodev) +#define eno_select ((select_fcn_t *)&enodev) -/* - * Types for d_type. - */ -#define D_TAPE 1 -#define D_DISK 2 -#define D_TTY 3 +/* For source backward compatibility only! */ +#define eno_getc ((void *)&enodev) +#define eno_putc ((void *)&enodev) /* * Block device switch table */ struct bdevsw { - open_close_fcn_t *d_open; - open_close_fcn_t *d_close; - strategy_fcn_t *d_strategy; - ioctl_fcn_t *d_ioctl; - dump_fcn_t *d_dump; - psize_fcn_t *d_psize; - int d_type; + open_close_fcn_t *d_open; + open_close_fcn_t *d_close; + strategy_fcn_t *d_strategy; + ioctl_fcn_t *d_ioctl; + dump_fcn_t *d_dump; + psize_fcn_t *d_psize; + int d_type; }; -#ifdef KERNEL d_devtotty_t nodevtotty; -d_write_t nowrite; +d_write_t nowrite; -#ifdef __APPLE_API_PRIVATE +#ifdef KERNEL_PRIVATE extern struct bdevsw bdevsw[]; -#endif /* __APPLE_API_PRIVATE */ +extern int (*bootcache_contains_block)(dev_t device, u_int64_t blkno); +#endif /* KERNEL_PRIVATE */ /* * Contents of empty bdevsw slot. */ -#define NO_BDEVICE \ - { eno_opcl, eno_opcl, eno_strat, eno_ioctl, \ - eno_dump, eno_psize, 0 } - -#endif /* KERNEL */ +#define NO_BDEVICE \ + { eno_opcl, eno_opcl, eno_strat, eno_ioctl, \ + eno_dump, eno_psize, 0 } + /* * Character device switch table */ struct cdevsw { - open_close_fcn_t *d_open; - open_close_fcn_t *d_close; - read_write_fcn_t *d_read; - read_write_fcn_t *d_write; - ioctl_fcn_t *d_ioctl; - stop_fcn_t *d_stop; - reset_fcn_t *d_reset; - struct tty **d_ttys; - select_fcn_t *d_select; - mmap_fcn_t *d_mmap; - strategy_fcn_t *d_strategy; - getc_fcn_t *d_getc; - putc_fcn_t *d_putc; - int d_type; + open_close_fcn_t *d_open; + open_close_fcn_t *d_close; + read_write_fcn_t *d_read; + read_write_fcn_t *d_write; + ioctl_fcn_t *d_ioctl; + stop_fcn_t *d_stop; + reset_fcn_t *d_reset; + struct tty **d_ttys; + select_fcn_t *d_select; + mmap_fcn_t *d_mmap; + strategy_fcn_t *d_strategy; + void *d_reserved_1; + void *d_reserved_2; + int d_type; }; -#ifdef KERNEL +#ifdef BSD_KERNEL_PRIVATE + +extern uint64_t cdevsw_flags[]; +#define CDEVSW_SELECT_KQUEUE 0x01 +#define CDEVSW_USE_OFFSET 0x02 +#define CDEVSW_IS_PTC 0x04 +#define CDEVSW_IS_PTS 0x08 + +struct thread; + +typedef struct devsw_lock { + TAILQ_ENTRY(devsw_lock) dl_list; + struct thread *dl_thread; + dev_t dl_dev; + int dl_mode; +} *devsw_lock_t; + +#endif /* BSD_KERNEL_PRIVATE */ -#ifdef __APPLE_API_PRIVATE -extern struct cdevsw cdevsw[]; -#endif /* __APPLE_API_PRIVATE */ /* * Contents of empty cdevsw slot. */ -#define NO_CDEVICE \ - { \ - eno_opcl, eno_opcl, eno_rdwrt, eno_rdwrt, \ - eno_ioctl, eno_stop, eno_reset, 0, \ - seltrue, eno_mmap, eno_strat, eno_getc, \ - eno_putc, 0 \ +#define NO_CDEVICE \ + { \ + eno_opcl, eno_opcl, eno_rdwrt, eno_rdwrt, \ + eno_ioctl, eno_stop, eno_reset, 0, \ + (select_fcn_t *)seltrue, eno_mmap, eno_strat, eno_getc, \ + eno_putc, 0 \ } + #endif /* KERNEL */ - + +#ifdef KERNEL_PRIVATE +typedef int l_open_t (dev_t dev, struct tty *tp); +typedef int l_close_t(struct tty *tp, int flags); +typedef int l_read_t (struct tty *tp, struct uio *uio, int flag); +typedef int l_write_t(struct tty *tp, struct uio *uio, int flag); +typedef int l_ioctl_t(struct tty *tp, u_long cmd, caddr_t data, int flag, + struct proc *p); +typedef int l_rint_t (int c, struct tty *tp); +typedef void l_start_t(struct tty *tp); +typedef int l_modem_t(struct tty *tp, int flag); + /* * Line discipline switch table */ struct linesw { - int (*l_open) __P((dev_t dev, struct tty *tp)); - int (*l_close) __P((struct tty *tp, int flags)); - int (*l_read) __P((struct tty *tp, struct uio *uio, - int flag)); - int (*l_write) __P((struct tty *tp, struct uio *uio, - int flag)); - int (*l_ioctl) __P((struct tty *tp, u_long cmd, caddr_t data, - int flag, struct proc *p)); - int (*l_rint) __P((int c, struct tty *tp)); - int (*l_start) __P((struct tty *tp)); - int (*l_modem) __P((struct tty *tp, int flag)); + l_open_t *l_open; + l_close_t *l_close; + l_read_t *l_read; + l_write_t *l_write; + l_ioctl_t *l_ioctl; + l_rint_t *l_rint; + l_start_t *l_start; + l_modem_t *l_modem; }; -#ifdef KERNEL -#ifdef __APPLE_API_PRIVATE extern struct linesw linesw[]; -extern int nlinesw; -#endif /* __APPLE_API_PRIVATE */ - -int ldisc_register __P((int , struct linesw *)); -void ldisc_deregister __P((int)); +extern const int nlinesw; + +int ldisc_register(int, struct linesw *); +void ldisc_deregister(int); #define LDISC_LOAD -1 /* Loadable line discipline */ -#endif /* KERNEL */ +#endif /* KERNEL_PRIVATE */ -#ifdef __APPLE_API_OBSOLETE +#ifdef BSD_KERNEL_PRIVATE /* * Swap device table */ struct swdevt { - dev_t sw_dev; - int sw_flags; - int sw_nblks; - struct vnode *sw_vp; + dev_t sw_dev; + int sw_flags; + int sw_nblks; + struct vnode *sw_vp; }; -#define SW_FREED 0x01 -#define SW_SEQUENTIAL 0x02 -#define sw_freed sw_flags /* XXX compat */ +#define SW_FREED 0x01 +#define SW_SEQUENTIAL 0x02 +#define sw_freed sw_flags /* XXX compat */ -#ifdef KERNEL extern struct swdevt swdevt[]; -#endif /* KERNEL */ -#endif /* __APPLE_API_OBSOLETE */ +#endif /* BSD_KERNEL_PRIVATE */ #ifdef KERNEL @@ -263,15 +294,26 @@ extern struct swdevt swdevt[]; * else -1 */ __BEGIN_DECLS -int bdevsw_isfree __P((int)); -int bdevsw_add __P((int, struct bdevsw *)); -int bdevsw_remove __P((int, struct bdevsw *)); -int cdevsw_isfree __P((int)); -int cdevsw_add __P((int, struct cdevsw *)); -int cdevsw_remove __P((int, struct cdevsw *)); +#ifdef KERNEL_PRIVATE +void devsw_init(void); +extern struct cdevsw cdevsw[]; +extern int cdevsw_setkqueueok(int, struct cdevsw*, int); +#endif /* KERNEL_PRIVATE */ + +#ifdef BSD_KERNEL_PRIVATE +extern void devsw_lock(dev_t, int); +extern void devsw_unlock(dev_t, int); +#endif /* BSD_KERNEL_PRIVATE */ + +int bdevsw_isfree(int); +int bdevsw_add(int, struct bdevsw *); +int bdevsw_remove(int, struct bdevsw *); +int cdevsw_isfree(int); +int cdevsw_add(int, struct cdevsw *); +int cdevsw_add_with_bdev(int index, struct cdevsw * csw, int bdev); +int cdevsw_remove(int, struct cdevsw *); +int isdisk(dev_t, int); __END_DECLS #endif /* KERNEL */ -#endif /* __APPLE_API_UNSTABLE */ - #endif /* _SYS_CONF_H_ */