X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/8f6c56a50524aa785f7e596d52dddfb331e18961..143464d58d2bd6378e74eec636961ceb0d32fb91:/bsd/miscfs/devfs/devfs.h?ds=sidebyside

diff --git a/bsd/miscfs/devfs/devfs.h b/bsd/miscfs/devfs/devfs.h
index bf059f2b4..88e63b4f5 100644
--- a/bsd/miscfs/devfs/devfs.h
+++ b/bsd/miscfs/devfs/devfs.h
@@ -61,8 +61,37 @@
 #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
  *
@@ -91,7 +120,7 @@ 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 */
 
 /*
@@ -114,6 +143,7 @@ __END_DECLS
 /* XXX */
 #define	GID_WHEEL	0
 #define	GID_KMEM	2
+#define	GID_TTY		4
 #define	GID_OPERATOR	5
 #define	GID_BIN		7
 #define	GID_GAMES	13