X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/ff6e181ae92fc6f1e89841290f461d1f2f9badd9..eb6b6ca394357805f2bdba989abae309f718b4d8:/bsd/miscfs/devfs/devfs.h

diff --git a/bsd/miscfs/devfs/devfs.h b/bsd/miscfs/devfs/devfs.h
index 88a9efe54..966926d4f 100644
--- a/bsd/miscfs/devfs/devfs.h
+++ b/bsd/miscfs/devfs/devfs.h
@@ -1,15 +1,20 @@
 /*
  * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
  *
- * @APPLE_LICENSE_HEADER_START@
- * 
+ * @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. 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,
@@ -17,13 +22,13 @@
  * 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 1997,1998 Julian Elischer.  All rights reserved.
  * julian@freebsd.org
- * 
+ *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
@@ -32,7 +37,7 @@
  *  2. Redistributions in binary form must reproduce the above copyright notice,
  *     this list of conditions and the following disclaimer in the documentation
  *     and/or other materials provided with the distribution.
- * 
+ *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER ``AS IS'' AND ANY EXPRESS
  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
@@ -44,20 +49,50 @@
  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
- * 
+ *
  * miscfs/devfs/devfs.h
  */
 
 #ifndef _MISCFS_DEVFS_DEVFS_H_
-#define	_MISCFS_DEVFS_DEVFS_H_
+#define _MISCFS_DEVFS_DEVFS_H_
 
 #include <sys/appleapiopts.h>
+#include <sys/cdefs.h>
+
+#define DEVFS_CHAR      0
+#define DEVFS_BLOCK     1
 
-#define DEVFS_CHAR 	0
-#define DEVFS_BLOCK 	1
+/*
+ * Argument to clone callback after dev
+ */
+#define DEVFS_CLONE_ALLOC       1       /* Allocate minor number slot */
+#define DEVFS_CLONE_FREE        0       /* Free minor number slot */
 
 __BEGIN_DECLS
 
+/*
+ * Function: devfs_make_node_clone
+ *
+ * Purpose
+ *   Create a device node with the given pathname in the devfs namespace;
+ *   before returning a dev_t value for an open instance, the dev_t has
+ *   it's minor number updated by calling the supplied clone function on
+ *   the supplied dev..
+ *
+ * Parameters:
+ *   dev        - the dev_t value to associate
+ *   chrblk	- block or character device (DEVFS_CHAR or DEVFS_BLOCK)
+ *   uid, gid	- ownership
+ *   perms	- permissions
+ *   clone	- minor number cloning function
+ *   fmt, ...	- print format string and args to format the path name
+ * Returns:
+ *   A handle to a device node if successful, NULL otherwise.
+ */
+void *  devfs_make_node_clone(dev_t dev, int chrblk, uid_t uid, gid_t gid,
+    int perms, int (*clone)(dev_t dev, int action),
+    const char *fmt, ...);
+
 /*
  * Function: devfs_make_node
  *
@@ -65,7 +100,7 @@ __BEGIN_DECLS
  *   Create a device node with the given pathname in the devfs namespace.
  *
  * Parameters:
- *   dev 	- the dev_t value to associate
+ *   dev        - the dev_t value to associate
  *   chrblk	- block or character device (DEVFS_CHAR or DEVFS_BLOCK)
  *   uid, gid	- ownership
  *   perms	- permissions
@@ -73,8 +108,8 @@ __BEGIN_DECLS
  * Returns:
  *   A handle to a device node if successful, NULL otherwise.
  */
-void * 	devfs_make_node(dev_t dev, int chrblk, uid_t uid, gid_t gid, 
-			     int perms, const char *fmt, ...);
+void *  devfs_make_node(dev_t dev, int chrblk, uid_t uid, gid_t gid,
+    int perms, const char *fmt, ...);
 
 #ifdef BSD_KERNEL_PRIVATE
 /*
@@ -86,7 +121,7 @@ void * 	devfs_make_node(dev_t dev, int chrblk, uid_t uid, gid_t gid,
  * Returns:
  *   0 if successful, -1 if failed
  */
-int	devfs_link(void * handle, char *fmt, ...);
+int     devfs_make_link(void * handle, char *fmt, ...);
 #endif /* BSD_KERNEL_PRIVATE */
 
 /*
@@ -96,23 +131,25 @@ int	devfs_link(void * handle, char *fmt, ...);
  *   Remove the device node returned by devfs_make_node() along with
  *   any links created with devfs_make_link().
  */
-void	devfs_remove(void * handle);
+void    devfs_remove(void * handle);
 
 __END_DECLS
 
 #ifdef __APPLE_API_PRIVATE
 /* XXX */
-#define	UID_ROOT	0
-#define	UID_BIN		3
-#define	UID_UUCP	66
+#define UID_ROOT        0
+#define UID_BIN         3
+#define UID_UUCP        66
 
 /* XXX */
-#define	GID_WHEEL	0
-#define	GID_KMEM	2
-#define	GID_OPERATOR	5
-#define	GID_BIN		7
-#define	GID_GAMES	13
-#define	GID_DIALER	68
+#define GID_WHEEL       0
+#define GID_KMEM        2
+#define GID_TTY         4
+#define GID_OPERATOR    5
+#define GID_BIN         7
+#define GID_GAMES       13
+#define GID_DIALER      68
+#define GID_WINDOWSERVER 88
 #endif /* __APPLE_API_PRIVATE */
 
 #endif /* !_MISCFS_DEVFS_DEVFS_H_ */