]> git.saurik.com Git - apple/xnu.git/blobdiff - bsd/sys/conf.h
xnu-6153.61.1.tar.gz
[apple/xnu.git] / bsd / sys / conf.h
index 3b3f0e2346c209a040a042c368369a4ba5a701b1..68cec736cb122384326cfebdbe2857d385cb6b9a 100644 (file)
@@ -2,7 +2,7 @@
  * Copyright (c) 2000-2012 Apple Computer, Inc. All rights reserved.
  *
  * @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
  * 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,
@@ -22,7 +22,7 @@
  * 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 */
@@ -88,81 +88,81 @@ struct vnode;
  * 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
-/* 
+/*
  * 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        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,
-                                    int fflag, struct proc *p);
+    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  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
+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(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.
  */
-#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)
+#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)
+#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;
 };
 
 
 d_devtotty_t    nodevtotty;
-d_write_t      nowrite;
+d_write_t       nowrite;
 
 #ifdef KERNEL_PRIVATE
 extern struct bdevsw bdevsw[];
@@ -172,44 +172,46 @@ extern int (*bootcache_contains_block)(dev_t device, u_int64_t blkno);
 /*
  * 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 {
-       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;
+       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_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;
+       TAILQ_ENTRY(devsw_lock)         dl_list;
+       struct thread                   *dl_thread;
+       dev_t                           dl_dev;
+       int                             dl_mode;
 } *devsw_lock_t;
 
 #endif /* BSD_KERNEL_PRIVATE */
@@ -219,23 +221,23 @@ typedef struct devsw_lock {
  * 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 */
-  
+
 #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);
@@ -244,21 +246,21 @@ typedef int  l_modem_t(struct tty *tp, int flag);
  * 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 const int nlinesw;
-int ldisc_register(int , struct linesw *);
+
+int ldisc_register(int, struct linesw *);
 void ldisc_deregister(int);
 #define LDISC_LOAD      -1              /* Loadable line discipline */
 
@@ -269,14 +271,14 @@ void ldisc_deregister(int);
  * 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[];