xnu-6153.61.1.tar.gz

[apple/xnu.git] / bsd / sys / conf.h

diff --git a/bsd/sys/conf.h b/bsd/sys/conf.h
index ef86f5fbb35694dc3f2cadfac67ca17fa2ceb44e..68cec736cb122384326cfebdbe2857d385cb6b9a 100644 (file)
--- a/bsd/sys/conf.h
+++ b/bsd/sys/conf.h
@@ -1,17 +1,20 @@
 /*
 /*

- * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2012 Apple Computer, Inc. All rights reserved.
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@

  *
  *

- * @APPLE_LICENSE_HEADER_START@
- * 
- * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
- * 

  * 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
  * 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. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
- * 
+ * 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,
  * 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,


@@ -19,8 +22,8 @@
  * 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.
  * 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_LICENSE_HEADER_END@
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@

  */
 /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
 /*-
  */
 /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
 /*-


@@ -68,6 +71,8 @@
 
 #include <sys/appleapiopts.h>
 #include <sys/cdefs.h>
 
 #include <sys/appleapiopts.h>
 #include <sys/cdefs.h>

+#include <sys/queue.h>
+#include <stdint.h>

 
 /*
  * Definitions of device driver entry switches
 
 /*
  * Definitions of device driver entry switches


@@ -79,190 +84,205 @@ struct tty;
 struct uio;
 struct vnode;
 
 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.
  */
  * 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
-#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
-#define        d_getc_t        getc_fcn_t
-#define        d_putc_t        putc_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
 
 __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.
  */
 __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 {
 
 /*
  * 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_devtotty_t    nodevtotty;

-d_write_t      nowrite;
+d_write_t       nowrite;

 
 

-#ifdef __APPLE_API_PRIVATE
+#ifdef KERNEL_PRIVATE

 extern struct bdevsw bdevsw[];
 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.
  */
 
 /*
  * 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 {
 
 /*
  * 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.
  */
 
 
 /*
  * Contents of empty cdevsw slot.
  */
 

-#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                                               \
+#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 */
 #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 {
 /*
  * 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 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 */
 
 #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 {
 /*
  * 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[];
 extern struct swdevt swdevt[];

-#endif /* KERNEL */

 
 

-#endif /* __APPLE_API_OBSOLETE */
+#endif /* BSD_KERNEL_PRIVATE */

 
 
 #ifdef KERNEL
 
 
 #ifdef KERNEL


@@ -274,15 +294,26 @@ extern struct swdevt swdevt[];
  *  else -1
  */
 __BEGIN_DECLS
  *  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 */
 
 __END_DECLS
 #endif /* KERNEL */
 

-#endif /* __APPLE_API_UNSTABLE */
-

 #endif /* _SYS_CONF_H_ */
 #endif /* _SYS_CONF_H_ */