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 bc79ead240e284c43eada3ea4161b932a8cfd429..68cec736cb122384326cfebdbe2857d385cb6b9a 100644 (file)
--- a/bsd/sys/conf.h
+++ b/bsd/sys/conf.h
@@ -1,15 +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@
- * 

  * 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,


@@ -17,8 +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 */
 /*-


@@ -66,6 +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


@@ -81,144 +88,156 @@ struct vnode;
  * Types for d_type.
  * These are returned by ioctl FIODTYPE
  */
  * Types for d_type.
  * These are returned by ioctl FIODTYPE
  */

-#define        D_TAPE  1
-#define        D_DISK  2
-#define        D_TTY   3
+#define D_TAPE  1
+#define D_DISK  2
+#define D_TTY   3

 
 #ifdef KERNEL
 
 #ifdef KERNEL

-/* 
+/*

  * Device switch function types.
  */
 typedef int  open_close_fcn_t(dev_t dev, int flags, int devtype,
  * Device switch function types.
  */
 typedef int  open_close_fcn_t(dev_t dev, int flags, int devtype,

-                                    struct proc *p);
+    struct proc *p);

 
 typedef struct tty *d_devtotty_t(dev_t dev);
 
 
 typedef struct tty *d_devtotty_t(dev_t dev);
 

-typedef        void strategy_fcn_t(struct buf *bp);
+typedef void strategy_fcn_t(struct buf *bp);

 typedef int  ioctl_fcn_t(dev_t dev, u_long cmd, caddr_t data,
 typedef int  ioctl_fcn_t(dev_t dev, u_long cmd, caddr_t data,

-                                    int fflag, struct proc *p);
+    int fflag, struct proc *p);

 typedef int  dump_fcn_t(void);     /* parameters vary by architecture */
 typedef int  dump_fcn_t(void);     /* parameters vary by architecture */

-typedef        int  psize_fcn_t(dev_t dev);
+typedef int  psize_fcn_t(dev_t dev);

 typedef int  read_write_fcn_t(dev_t dev, struct uio *uio, int ioflag);
 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);
-typedef        int  getc_fcn_t(dev_t dev);
-typedef        int  putc_fcn_t(dev_t dev, char c);
-typedef int  d_poll_t(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  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(void);           
-void   enodev_strat(void);
+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)
+
+/* 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;

 };
 
 
 d_devtotty_t    nodevtotty;
 };
 
 
 d_devtotty_t    nodevtotty;

-d_write_t      nowrite;
+d_write_t       nowrite;

 
 #ifdef KERNEL_PRIVATE
 extern struct bdevsw bdevsw[];
 
 #ifdef KERNEL_PRIVATE
 extern struct bdevsw bdevsw[];

+extern int (*bootcache_contains_block)(dev_t device, u_int64_t blkno);

 #endif /* KERNEL_PRIVATE */
 
 /*
  * Contents of empty bdevsw slot.
  */
 #endif /* KERNEL_PRIVATE */
 
 /*
  * Contents of empty bdevsw slot.
  */

-#define         NO_BDEVICE                                             \
-       { eno_opcl,     eno_opcl,       eno_strat, eno_ioctl,   \
-         eno_dump,     eno_psize,      0       }
-         
+#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 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 KERNEL_PRIVATE
-extern struct cdevsw cdevsw[];
-#endif /* KERNEL_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,
 #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);
+    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);
 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);


@@ -227,21 +246,21 @@ typedef int  l_modem_t(struct tty *tp, int flag);
  * Line discipline switch table
  */
 struct linesw {
  * Line discipline switch table
  */
 struct linesw {

-       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;
+       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;

 };
 
 
 extern struct linesw linesw[];
 };
 
 
 extern struct linesw linesw[];

-extern int nlinesw;
- 
-int ldisc_register(int , struct linesw *);
+extern const int nlinesw;
+
+int ldisc_register(int, struct linesw *);

 void ldisc_deregister(int);
 #define LDISC_LOAD      -1              /* Loadable line discipline */
 
 void ldisc_deregister(int);
 #define LDISC_LOAD      -1              /* Loadable line discipline */
 


@@ -252,14 +271,14 @@ void ldisc_deregister(int);
  * 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 */

 
 extern struct swdevt swdevt[];
 
 
 extern struct swdevt swdevt[];
 


@@ -275,6 +294,17 @@ extern struct swdevt swdevt[];
  *  else -1
  */
 __BEGIN_DECLS
  *  else -1
  */
 __BEGIN_DECLS

+#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  bdevsw_isfree(int);
 int  bdevsw_add(int, struct bdevsw *);
 int  bdevsw_remove(int, struct bdevsw *);


@@ -282,6 +312,7 @@ 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  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 */